diff options
Diffstat (limited to 'kernel/drivers/net/wireless/iwlwifi/mvm')
37 files changed, 5038 insertions, 2673 deletions
diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/Makefile b/kernel/drivers/net/wireless/iwlwifi/mvm/Makefile index 2d7c3ea3c..8c2c3d13b 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/Makefile +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/Makefile @@ -6,6 +6,7 @@ iwlmvm-y += power.o coex.o coex_legacy.o iwlmvm-y += tt.o offloading.o tdls.o iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o +iwlmvm-y += tof.o iwlmvm-$(CONFIG_PM_SLEEP) += d3.o ccflags-y += -D__CHECK_ENDIAN__ -I$(src)/../ diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/coex.c b/kernel/drivers/net/wireless/iwlwifi/mvm/coex.c index 13a0a0315..e290ac67d 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/coex.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/coex.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -408,23 +408,12 @@ iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif) int iwl_send_bt_init_conf(struct iwl_mvm *mvm) { - struct iwl_bt_coex_cmd *bt_cmd; - struct iwl_host_cmd cmd = { - .id = BT_CONFIG, - .len = { sizeof(*bt_cmd), }, - .dataflags = { IWL_HCMD_DFL_NOCOPY, }, - }; - int ret; + struct iwl_bt_coex_cmd bt_cmd = {}; u32 mode; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BT_COEX_SPLIT)) return iwl_send_bt_init_conf_old(mvm); - bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); - if (!bt_cmd) - return -ENOMEM; - cmd.data[0] = bt_cmd; - lockdep_assert_held(&mvm->mutex); if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) { @@ -440,36 +429,33 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm) mode = 0; } - bt_cmd->mode = cpu_to_le32(mode); + bt_cmd.mode = cpu_to_le32(mode); goto send_cmd; } mode = iwlwifi_mod_params.bt_coex_active ? BT_COEX_NW : BT_COEX_DISABLE; - bt_cmd->mode = cpu_to_le32(mode); + bt_cmd.mode = cpu_to_le32(mode); if (IWL_MVM_BT_COEX_SYNC2SCO) - bt_cmd->enabled_modules |= + bt_cmd.enabled_modules |= cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED); if (iwl_mvm_bt_is_plcr_supported(mvm)) - bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED); + bt_cmd.enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED); if (IWL_MVM_BT_COEX_MPLUT) { - bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED); - bt_cmd->enabled_modules |= + bt_cmd.enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED); + bt_cmd.enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_BOOST_ENABLED); } - bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET); + bt_cmd.enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET); send_cmd: memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); - ret = iwl_mvm_send_cmd(mvm, &cmd); - - kfree(bt_cmd); - return ret; + return iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, 0, sizeof(bt_cmd), &bt_cmd); } static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, @@ -739,15 +725,17 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) } } -int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *dev_cmd) +void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) - return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd); + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + iwl_mvm_rx_bt_coex_notif_old(mvm, rxb); + return; + } IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n"); IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance); @@ -762,60 +750,16 @@ int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif)); iwl_mvm_bt_coex_notif_handle(mvm); - - /* - * This is an async handler for a notification, returning anything other - * than 0 doesn't make sense even if HCMD failed. - */ - return 0; -} - -static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_bt_iterator_data *data = _data; - struct iwl_mvm *mvm = data->mvm; - - struct ieee80211_sta *sta; - struct iwl_mvm_sta *mvmsta; - - struct ieee80211_chanctx_conf *chanctx_conf; - - rcu_read_lock(); - chanctx_conf = rcu_dereference(vif->chanctx_conf); - /* If channel context is invalid or not on 2.4GHz - don't count it */ - if (!chanctx_conf || - chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) { - rcu_read_unlock(); - return; - } - rcu_read_unlock(); - - if (vif->type != NL80211_IFTYPE_STATION || - mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) - return; - - sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], - lockdep_is_held(&mvm->mutex)); - - /* This can happen if the station has been removed right now */ - if (IS_ERR_OR_NULL(sta)) - return; - - mvmsta = iwl_mvm_sta_from_mac80211(sta); } void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum ieee80211_rssi_event_data rssi_event) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_bt_iterator_data data = { - .mvm = mvm, - }; int ret; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event); return; } @@ -853,10 +797,6 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (ret) IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n"); - - ieee80211_iterate_active_interfaces_atomic( - mvm->hw, IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_bt_rssi_iterator, &data); } #define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) @@ -870,7 +810,7 @@ u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt; enum iwl_bt_coex_lut_type lut_type; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BT_COEX_SPLIT)) return iwl_mvm_coex_agg_time_limit_old(mvm, sta); if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id)) @@ -897,7 +837,7 @@ bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt; enum iwl_bt_coex_lut_type lut_type; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BT_COEX_SPLIT)) return iwl_mvm_bt_coex_is_mimo_allowed_old(mvm, sta); if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id)) @@ -927,7 +867,7 @@ bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant) if (ant & mvm->cfg->non_shared_ant) return true; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BT_COEX_SPLIT)) return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm); return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < @@ -940,10 +880,10 @@ bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm) if (mvm->cfg->bt_shared_single_ant) return true; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BT_COEX_SPLIT)) return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm); - return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF; + return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < BT_HIGH_TRAFFIC; } bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, @@ -951,7 +891,7 @@ bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, { u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading); - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BT_COEX_SPLIT)) return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band); if (band != IEEE80211_BAND_2GHZ) @@ -994,7 +934,8 @@ u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm) { - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { iwl_mvm_bt_coex_vif_change_old(mvm); return; } @@ -1002,9 +943,8 @@ void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm) iwl_mvm_bt_coex_notif_handle(mvm); } -int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *dev_cmd) +void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u32 ant_isolation = le32_to_cpup((void *)pkt->data); @@ -1012,20 +952,23 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, u8 __maybe_unused lower_bound, upper_bound; u8 lut; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) - return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd); + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb); + return; + } if (!iwl_mvm_bt_is_plcr_supported(mvm)) - return 0; + return; lockdep_assert_held(&mvm->mutex); /* Ignore updates if we are in force mode */ if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) - return 0; + return; if (ant_isolation == mvm->last_ant_isol) - return 0; + return; for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++) if (ant_isolation < antenna_coupling_ranges[lut + 1].range) @@ -1044,7 +987,7 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, mvm->last_ant_isol = ant_isolation; if (mvm->last_corun_lut == lut) - return 0; + return; mvm->last_corun_lut = lut; @@ -1055,6 +998,8 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20, sizeof(cmd.corun_lut40)); - return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0, - sizeof(cmd), &cmd); + if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0, + sizeof(cmd), &cmd)) + IWL_ERR(mvm, + "failed to send BT_COEX_UPDATE_CORUN_LUT command\n"); } diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c b/kernel/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c index 6ac6de2af..61c07b05f 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c @@ -1058,9 +1058,8 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n"); } -int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *dev_cmd) +void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_bt_coex_profile_notif_old *notif = (void *)pkt->data; @@ -1083,12 +1082,6 @@ int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, memcpy(&mvm->last_bt_notif_old, notif, sizeof(mvm->last_bt_notif_old)); iwl_mvm_bt_coex_notif_handle(mvm); - - /* - * This is an async handler for a notification, returning anything other - * than 0 doesn't make sense even if HCMD failed. - */ - return 0; } static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac, @@ -1250,14 +1243,12 @@ void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm) iwl_mvm_bt_coex_notif_handle(mvm); } -int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *dev_cmd) +void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u32 ant_isolation = le32_to_cpup((void *)pkt->data); u8 __maybe_unused lower_bound, upper_bound; - int ret; u8 lut; struct iwl_bt_coex_cmd_old *bt_cmd; @@ -1268,16 +1259,16 @@ int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, }; if (!iwl_mvm_bt_is_plcr_supported(mvm)) - return 0; + return; lockdep_assert_held(&mvm->mutex); /* Ignore updates if we are in force mode */ if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) - return 0; + return; if (ant_isolation == mvm->last_ant_isol) - return 0; + return; for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++) if (ant_isolation < antenna_coupling_ranges[lut + 1].range) @@ -1296,13 +1287,13 @@ int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, mvm->last_ant_isol = ant_isolation; if (mvm->last_corun_lut == lut) - return 0; + return; mvm->last_corun_lut = lut; bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); if (!bt_cmd) - return 0; + return; cmd.data[0] = bt_cmd; bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD); @@ -1317,8 +1308,8 @@ int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20, sizeof(bt_cmd->bt4_corun_lut40)); - ret = iwl_mvm_send_cmd(mvm, &cmd); + if (iwl_mvm_send_cmd(mvm, &cmd)) + IWL_ERR(mvm, "failed to send BT_CONFIG command\n"); kfree(bt_cmd); - return ret; } diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/constants.h b/kernel/drivers/net/wireless/iwlwifi/mvm/constants.h index beba37548..5c21231e1 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/constants.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/constants.h @@ -71,6 +71,9 @@ #define IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT (100 * USEC_PER_MSEC) #define IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT (10 * USEC_PER_MSEC) #define IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT (10 * USEC_PER_MSEC) +#define IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT (2 * 1024) /* defined in TU */ +#define IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT (40 * 1024) /* defined in TU */ +#define IWL_MVM_P2P_LOWLATENCY_PS_ENABLE 0 #define IWL_MVM_UAPSD_RX_DATA_TIMEOUT (50 * USEC_PER_MSEC) #define IWL_MVM_UAPSD_TX_DATA_TIMEOUT (50 * USEC_PER_MSEC) #define IWL_MVM_UAPSD_QUEUES (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\ @@ -101,7 +104,8 @@ #define IWL_MVM_FW_BCAST_FILTER_PASS_ALL 0 #define IWL_MVM_QUOTA_THRESHOLD 4 #define IWL_MVM_RS_RSSI_BASED_INIT_RATE 0 -#define IWL_MVM_RS_DISABLE_P2P_MIMO 0 +#define IWL_MVM_RS_80_20_FAR_RANGE_TWEAK 1 +#define IWL_MVM_TOF_IS_RESPONDER 0 #define IWL_MVM_RS_NUM_TRY_BEFORE_ANT_TOGGLE 1 #define IWL_MVM_RS_HT_VHT_RETRIES_PER_RATE 2 #define IWL_MVM_RS_HT_VHT_RETRIES_PER_RATE_TW 1 diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/d3.c b/kernel/drivers/net/wireless/iwlwifi/mvm/d3.c index 4310cf102..29ae58ebf 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -274,18 +274,13 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, break; case WLAN_CIPHER_SUITE_CCMP: if (sta) { - u8 *pn = seq.ccmp.pn; + u64 pn64; aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; - ieee80211_get_key_tx_seq(key, &seq); - aes_tx_sc->pn = cpu_to_le64((u64)pn[5] | - ((u64)pn[4] << 8) | - ((u64)pn[3] << 16) | - ((u64)pn[2] << 24) | - ((u64)pn[1] << 32) | - ((u64)pn[0] << 40)); + pn64 = atomic64_read(&key->tx_pn); + aes_tx_sc->pn = cpu_to_le64(pn64); } else { aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; } @@ -298,12 +293,12 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, u8 *pn = seq.ccmp.pn; ieee80211_get_key_rx_seq(key, i, &seq); - aes_sc->pn = cpu_to_le64((u64)pn[5] | - ((u64)pn[4] << 8) | - ((u64)pn[3] << 16) | - ((u64)pn[2] << 24) | - ((u64)pn[1] << 32) | - ((u64)pn[0] << 40)); + aes_sc[i].pn = cpu_to_le64((u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); } data->use_rsc_tsc = true; break; @@ -314,9 +309,9 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, * to transmit packets to the AP, i.e. the PTK. */ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { - key->hw_key_idx = 0; mvm->ptk_ivlen = key->iv_len; mvm->ptk_icvlen = key->icv_len; + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 0); } else { /* * firmware only supports TSC/RSC for a single key, @@ -324,12 +319,11 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, * with new ones -- this relies on mac80211 doing * list_add_tail(). */ - key->hw_key_idx = 1; mvm->gtk_ivlen = key->iv_len; mvm->gtk_icvlen = key->icv_len; + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 1); } - ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, true); data->error = ret != 0; out_unlock: mutex_unlock(&mvm->mutex); @@ -761,7 +755,7 @@ void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) static int iwl_mvm_switch_to_d3(struct iwl_mvm *mvm) { - iwl_mvm_cancel_scan(mvm); + iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); iwl_trans_stop_device(mvm->trans); @@ -777,9 +771,6 @@ static int iwl_mvm_switch_to_d3(struct iwl_mvm *mvm) */ set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); - /* We reprogram keys and shouldn't allocate new key indices */ - memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); - mvm->ptk_ivlen = 0; mvm->ptk_icvlen = 0; mvm->ptk_ivlen = 0; @@ -981,7 +972,8 @@ iwl_mvm_netdetect_config(struct iwl_mvm *mvm, if (ret) return ret; - ret = iwl_mvm_scan_offload_start(mvm, vif, nd_config, &mvm->nd_ies); + ret = iwl_mvm_sched_scan_start(mvm, vif, nd_config, &mvm->nd_ies, + IWL_MVM_SCAN_NETDETECT); if (ret) return ret; @@ -1144,7 +1136,7 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, static int iwl_mvm_enter_d0i3_sync(struct iwl_mvm *mvm) { struct iwl_notification_wait wait_d3; - static const u8 d3_notif[] = { D3_CONFIG_CMD }; + static const u16 d3_notif[] = { D3_CONFIG_CMD }; int ret; iwl_init_notification_wait(&mvm->notif_wait, &wait_d3, @@ -1167,12 +1159,20 @@ remove_notif: int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + /* make sure the d0i3 exit work is not pending */ + flush_work(&mvm->d0i3_exit_work); - iwl_trans_suspend(mvm->trans); - if (wowlan->any) { + ret = iwl_trans_suspend(mvm->trans); + if (ret) + return ret; + + mvm->trans->wowlan_d0i3 = wowlan->any; + if (mvm->trans->wowlan_d0i3) { /* 'any' trigger means d0i3 usage */ if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) { - int ret = iwl_mvm_enter_d0i3_sync(mvm); + ret = iwl_mvm_enter_d0i3_sync(mvm); if (ret) return ret; @@ -1181,6 +1181,9 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) mutex_lock(&mvm->d0i3_suspend_mutex); __set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); mutex_unlock(&mvm->d0i3_suspend_mutex); + + iwl_trans_d3_suspend(mvm->trans, false); + return 0; } @@ -1444,15 +1447,15 @@ static void iwl_mvm_d3_update_gtks(struct ieee80211_hw *hw, switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: - iwl_mvm_aes_sc_to_seq(&sc->aes.tsc, &seq); iwl_mvm_set_aes_rx_seq(sc->aes.unicast_rsc, key); + atomic64_set(&key->tx_pn, le64_to_cpu(sc->aes.tsc.pn)); break; case WLAN_CIPHER_SUITE_TKIP: iwl_mvm_tkip_sc_to_seq(&sc->tkip.tsc, &seq); iwl_mvm_set_tkip_rx_seq(sc->tkip.unicast_rsc, key); + ieee80211_set_key_tx_seq(key, &seq); break; } - ieee80211_set_key_tx_seq(key, &seq); /* that's it for this key */ return; @@ -1784,7 +1787,7 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, for_each_set_bit(i, &matched_profiles, mvm->n_nd_match_sets) { struct iwl_scan_offload_profile_match *fw_match; struct cfg80211_wowlan_nd_match *match; - int n_channels = 0; + int idx, n_channels = 0; fw_match = &query.matches[i]; @@ -1799,8 +1802,12 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm, net_detect->matches[net_detect->n_matches++] = match; - match->ssid.ssid_len = mvm->nd_match_sets[i].ssid.ssid_len; - memcpy(match->ssid.ssid, mvm->nd_match_sets[i].ssid.ssid, + /* We inverted the order of the SSIDs in the scan + * request, so invert the index here. + */ + idx = mvm->n_nd_match_sets - i - 1; + match->ssid.ssid_len = mvm->nd_match_sets[idx].ssid.ssid_len; + memcpy(match->ssid.ssid, mvm->nd_match_sets[idx].ssid.ssid, match->ssid.ssid_len); if (mvm->n_nd_channels < n_channels) @@ -1929,28 +1936,59 @@ out: return 1; } -int iwl_mvm_resume(struct ieee80211_hw *hw) +static int iwl_mvm_resume_d3(struct iwl_mvm *mvm) { - struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + iwl_trans_resume(mvm->trans); + + return __iwl_mvm_resume(mvm, false); +} + +static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm) +{ + bool exit_now; + enum iwl_d3_status d3_status; + + iwl_trans_d3_resume(mvm->trans, &d3_status, false); + + /* + * make sure to clear D0I3_DEFER_WAKEUP before + * calling iwl_trans_resume(), which might wait + * for d0i3 exit completion. + */ + mutex_lock(&mvm->d0i3_suspend_mutex); + __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); + exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP, + &mvm->d0i3_suspend_flags); + mutex_unlock(&mvm->d0i3_suspend_mutex); + if (exit_now) { + IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n"); + _iwl_mvm_exit_d0i3(mvm); + } iwl_trans_resume(mvm->trans); - if (mvm->hw->wiphy->wowlan_config->any) { - /* 'any' trigger means d0i3 usage */ - if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) { - int ret = iwl_mvm_exit_d0i3(hw->priv); + if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) { + int ret = iwl_mvm_exit_d0i3(mvm->hw->priv); - if (ret) - return ret; - /* - * d0i3 exit will be deferred until reconfig_complete. - * make sure there we are out of d0i3. - */ - } - return 0; + if (ret) + return ret; + /* + * d0i3 exit will be deferred until reconfig_complete. + * make sure there we are out of d0i3. + */ } + return 0; +} - return __iwl_mvm_resume(mvm, false); +int iwl_mvm_resume(struct ieee80211_hw *hw) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + /* 'any' trigger means d0i3 was used */ + if (hw->wiphy->wowlan_config->any) + return iwl_mvm_resume_d0i3(mvm); + else + return iwl_mvm_resume_d3(mvm); } void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled) diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/kernel/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c index 5f37eab50..7904b41a0 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -63,6 +63,7 @@ * *****************************************************************************/ #include "mvm.h" +#include "fw-api-tof.h" #include "debugfs.h" static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm, @@ -190,6 +191,21 @@ static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf, return ret ?: count; } +static ssize_t iwl_dbgfs_tx_pwr_lmt_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + char buf[64]; + int bufsz = sizeof(buf); + int pos; + + pos = scnprintf(buf, bufsz, "bss limit = %d\n", + vif->bss_conf.txpower); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + static ssize_t iwl_dbgfs_pm_params_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -482,6 +498,758 @@ static ssize_t iwl_dbgfs_bf_params_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } +static inline char *iwl_dbgfs_is_match(char *name, char *buf) +{ + int len = strlen(name); + + return !strncmp(name, buf, len) ? buf + len : NULL; +} + +static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + u32 value; + int ret = -EINVAL; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("tof_disabled=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.tof_disabled = value; + goto out; + } + + data = iwl_dbgfs_is_match("one_sided_disabled=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.one_sided_disabled = value; + goto out; + } + + data = iwl_dbgfs_is_match("is_debug_mode=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.is_debug_mode = value; + goto out; + } + + data = iwl_dbgfs_is_match("is_buf=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.is_buf_required = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_tof_cfg=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_config_cmd(mvm); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_enable_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_config_cmd *cmd; + + cmd = &mvm->tof_data.tof_cfg; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n", + cmd->tof_disabled); + pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n", + cmd->one_sided_disabled); + pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n", + cmd->is_debug_mode); + pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n", + cmd->is_buf_required); + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + u32 value; + int ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("burst_period=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (!ret) + mvm->tof_data.responder_cfg.burst_period = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("min_delta_ftm=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.min_delta_ftm = value; + goto out; + } + + data = iwl_dbgfs_is_match("burst_duration=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.burst_duration = value; + goto out; + } + + data = iwl_dbgfs_is_match("num_of_burst_exp=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.num_of_burst_exp = value; + goto out; + } + + data = iwl_dbgfs_is_match("abort_responder=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.abort_responder = value; + goto out; + } + + data = iwl_dbgfs_is_match("get_ch_est=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.get_ch_est = value; + goto out; + } + + data = iwl_dbgfs_is_match("recv_sta_req_params=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.recv_sta_req_params = value; + goto out; + } + + data = iwl_dbgfs_is_match("channel_num=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.channel_num = value; + goto out; + } + + data = iwl_dbgfs_is_match("bandwidth=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.bandwidth = value; + goto out; + } + + data = iwl_dbgfs_is_match("rate=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.rate = value; + goto out; + } + + data = iwl_dbgfs_is_match("bssid=", buf); + if (data) { + u8 *mac = mvm->tof_data.responder_cfg.bssid; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + } + + data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.tsf_timer_offset_msecs = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("toa_offset=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.toa_offset = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("center_freq=", buf); + if (data) { + struct iwl_tof_responder_config_cmd *cmd = + &mvm->tof_data.responder_cfg; + + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + enum ieee80211_band band = (cmd->channel_num <= 14) ? + IEEE80211_BAND_2GHZ : + IEEE80211_BAND_5GHZ; + struct ieee80211_channel chn = { + .band = band, + .center_freq = ieee80211_channel_to_frequency( + cmd->channel_num, band), + }; + struct cfg80211_chan_def chandef = { + .chan = &chn, + .center_freq1 = + ieee80211_channel_to_frequency(value, + band), + }; + + cmd->ctrl_ch_position = iwl_mvm_get_ctrl_pos(&chandef); + } + goto out; + } + + data = iwl_dbgfs_is_match("ftm_per_burst=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.ftm_per_burst = value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value; + goto out; + } + + data = iwl_dbgfs_is_match("asap_mode=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.asap_mode = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_responder_cfg=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_responder_cmd(mvm, vif); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_responder_config_cmd *cmd; + + cmd = &mvm->tof_data.responder_cfg; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n", + le16_to_cpu(cmd->burst_period)); + pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n", + cmd->burst_duration); + pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n", + cmd->bandwidth); + pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n", + cmd->channel_num); + pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n", + cmd->ctrl_ch_position); + pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n", + cmd->bssid); + pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n", + cmd->min_delta_ftm); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n", + cmd->num_of_burst_exp); + pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate); + pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n", + cmd->abort_responder); + pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n", + cmd->get_ch_est); + pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n", + cmd->recv_sta_req_params); + pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n", + cmd->ftm_per_burst); + pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n", + cmd->ftm_resp_ts_avail); + pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n", + cmd->asap_mode); + pos += scnprintf(buf + pos, bufsz - pos, + "tsf_timer_offset_msecs = %d\n", + le16_to_cpu(cmd->tsf_timer_offset_msecs)); + pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n", + le16_to_cpu(cmd->toa_offset)); + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif, + char *buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + u32 value; + int ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("request_id=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.request_id = value; + goto out; + } + + data = iwl_dbgfs_is_match("initiator=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.initiator = value; + goto out; + } + + data = iwl_dbgfs_is_match("one_sided_los_disable=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.one_sided_los_disable = value; + goto out; + } + + data = iwl_dbgfs_is_match("req_timeout=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.req_timeout = value; + goto out; + } + + data = iwl_dbgfs_is_match("report_policy=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.report_policy = value; + goto out; + } + + data = iwl_dbgfs_is_match("macaddr_random=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.macaddr_random = value; + goto out; + } + + data = iwl_dbgfs_is_match("num_of_ap=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.num_of_ap = value; + goto out; + } + + data = iwl_dbgfs_is_match("macaddr_template=", buf); + if (data) { + u8 mac[ETH_ALEN]; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN); + goto out; + } + + data = iwl_dbgfs_is_match("macaddr_mask=", buf); + if (data) { + u8 mac[ETH_ALEN]; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN); + goto out; + } + + data = iwl_dbgfs_is_match("ap=", buf); + if (data) { + struct iwl_tof_range_req_ap_entry ap = {}; + int size = sizeof(struct iwl_tof_range_req_ap_entry); + u16 burst_period; + u8 *mac = ap.bssid; + unsigned int i; + + if (sscanf(data, "%u %hhd %hhd %hhd" + "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx" + "%hhd %hhd %hd" + "%hhd %hhd %d" + "%hhx %hhd %hhd %hhd", + &i, &ap.channel_num, &ap.bandwidth, + &ap.ctrl_ch_position, + mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5, + &ap.measure_type, &ap.num_of_bursts, + &burst_period, + &ap.samples_per_burst, &ap.retries_per_sample, + &ap.tsf_delta, &ap.location_req, &ap.asap_mode, + &ap.enable_dyn_ack, &ap.rssi) != 20) { + ret = -EINVAL; + goto out; + } + if (i >= IWL_MVM_TOF_MAX_APS) { + IWL_ERR(mvm, "Invalid AP index %d\n", i); + ret = -EINVAL; + goto out; + } + + ap.burst_period = cpu_to_le16(burst_period); + + memcpy(&mvm->tof_data.range_req.ap[i], &ap, size); + goto out; + } + + data = iwl_dbgfs_is_match("send_range_request=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) + ret = iwl_mvm_tof_range_request_cmd(mvm, vif); + goto out; + } + + ret = -EINVAL; +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[512]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_range_req_cmd *cmd; + int i; + + cmd = &mvm->tof_data.range_req; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n", + cmd->request_id); + pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n", + cmd->initiator); + pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n", + cmd->one_sided_los_disable); + pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n", + cmd->req_timeout); + pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n", + cmd->report_policy); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n", + cmd->macaddr_random); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n", + cmd->macaddr_template); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n", + cmd->macaddr_mask); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n", + cmd->num_of_ap); + for (i = 0; i < cmd->num_of_ap; i++) { + struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i]; + + pos += scnprintf(buf + pos, bufsz - pos, + "ap %.2d: channel_num=%hhd bw=%hhd" + " control=%hhd bssid=%pM type=%hhd" + " num_of_bursts=%hhd burst_period=%hd ftm=%hhd" + " retries=%hhd tsf_delta=%d" + " tsf_delta_direction=%hhd location_req=0x%hhx " + " asap=%hhd enable=%hhd rssi=%hhd\n", + i, ap->channel_num, ap->bandwidth, + ap->ctrl_ch_position, ap->bssid, + ap->measure_type, ap->num_of_bursts, + ap->burst_period, ap->samples_per_burst, + ap->retries_per_sample, ap->tsf_delta, + ap->tsf_delta_direction, + ap->location_req, ap->asap_mode, + ap->enable_dyn_ack, ap->rssi); + } + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + u32 value; + int ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.tsf_timer_offset_msec = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("min_delta_ftm=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.min_delta_ftm = value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw20M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw40M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw80M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("send_range_req_ext=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) + ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif); + goto out; + } + + ret = -EINVAL; +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_range_req_ext_cmd *cmd; + + cmd = &mvm->tof_data.range_req_ext; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, + "tsf_timer_offset_msec = %hd\n", + cmd->tsf_timer_offset_msec); + pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhd\n", + cmd->min_delta_ftm); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw20M = %hhd\n", + cmd->ftm_format_and_bw20M); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw40M = %hhd\n", + cmd->ftm_format_and_bw40M); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw80M = %hhd\n", + cmd->ftm_format_and_bw80M); + + mutex_unlock(&mvm->mutex); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + u32 value; + int abort_id, ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("abort_id=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.last_abort_id = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_range_abort=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + abort_id = mvm->tof_data.last_abort_id; + ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[32]; + int pos = 0; + const size_t bufsz = sizeof(buf); + int last_abort_id; + + mutex_lock(&mvm->mutex); + last_abort_id = mvm->tof_data.last_abort_id; + mutex_unlock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n", + last_abort_id); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char *buf; + int pos = 0; + const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256; + struct iwl_tof_range_rsp_ntfy *cmd; + int i, ret; + + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&mvm->mutex); + cmd = &mvm->tof_data.range_resp; + + pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n", + cmd->request_id); + pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n", + cmd->request_status); + pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n", + cmd->last_in_batch); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n", + cmd->num_of_aps); + for (i = 0; i < cmd->num_of_aps; i++) { + struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i]; + + pos += scnprintf(buf + pos, bufsz - pos, + "ap %.2d: bssid=%pM status=%hhd bw=%hhd" + " rtt=%d rtt_var=%d rtt_spread=%d" + " rssi=%hhd rssi_spread=%hhd" + " range=%d range_var=%d" + " time_stamp=%d\n", + i, ap->bssid, ap->measure_status, + ap->measure_bw, + ap->rtt, ap->rtt_variance, ap->rtt_spread, + ap->rssi, ap->rssi_spread, ap->range, + ap->range_variance, ap->timestamp); + } + mutex_unlock(&mvm->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return ret; +} + static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, size_t count, loff_t *ppos) { @@ -509,11 +1277,10 @@ static ssize_t iwl_dbgfs_low_latency_read(struct file *file, { struct ieee80211_vif *vif = file->private_data; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - char buf[3]; + char buf[2]; buf[0] = mvmvif->low_latency ? '1' : '0'; buf[1] = '\n'; - buf[2] = '\0'; return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf)); } @@ -607,11 +1374,18 @@ static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file, } while (0) MVM_DEBUGFS_READ_FILE_OPS(mac_params); +MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt); MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32); MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256); MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10); MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20); MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32); +MVM_DEBUGFS_READ_FILE_OPS(tof_range_response); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32); void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { @@ -641,6 +1415,7 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR | S_IRUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, S_IRUSR); MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR); MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir, S_IRUSR | S_IWUSR); @@ -654,6 +1429,25 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir, S_IRUSR | S_IWUSR); + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) && + !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) { + if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP) + MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params, + mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir, + S_IRUSR); + } + /* * Create symlink for convenience pointing to interface specific * debugfs entries for the driver. For example, under diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/kernel/drivers/net/wireless/iwlwifi/mvm/debugfs.c index 8c17b943c..05928fb40 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -85,7 +85,7 @@ static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); mutex_lock(&mvm->mutex); - ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count; + ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count; mutex_unlock(&mvm->mutex); return ret; @@ -493,7 +493,8 @@ static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, mutex_lock(&mvm->mutex); - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { struct iwl_bt_coex_profile_notif_old *notif = &mvm->last_bt_notif_old; @@ -550,7 +551,8 @@ static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, mutex_lock(&mvm->mutex); - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old; pos += scnprintf(buf+pos, bufsz-pos, @@ -916,7 +918,8 @@ iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, if (mvm->scan_rx_ant != scan_rx_ant) { mvm->scan_rx_ant = scan_rx_ant; - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_UMAC_SCAN)) iwl_mvm_config_scan(mvm); } @@ -946,9 +949,10 @@ static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { - int ret, conf_id; + unsigned int conf_id; + int ret; - ret = kstrtoint(buf, 0, &conf_id); + ret = kstrtouint(buf, 0, &conf_id); if (ret) return ret; @@ -971,7 +975,7 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, if (ret) return ret; - iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, 0); + iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, NULL); iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); @@ -1197,12 +1201,7 @@ static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, if (ptr) { for (ofs = 0; ofs < len; ofs += 16) { pos += scnprintf(buf + pos, bufsz - pos, - "0x%.4x ", ofs); - hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, - bufsz - pos, false); - pos += strlen(buf + pos); - if (bufsz - pos > 0) - buf[pos++] = '\n'; + "0x%.4x %16ph\n", ofs, ptr + ofs); } } else { pos += scnprintf(buf + pos, bufsz - pos, @@ -1215,118 +1214,6 @@ static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, return ret; } - -#define MAX_NUM_ND_MATCHSETS 10 - -static ssize_t iwl_dbgfs_netdetect_write(struct iwl_mvm *mvm, char *buf, - size_t count, loff_t *ppos) -{ - const char *seps = ",\n"; - char *buf_ptr = buf; - char *value_str = NULL; - int ret, i; - - /* TODO: don't free if write is being called several times in one go */ - if (mvm->nd_config) { - kfree(mvm->nd_config->match_sets); - kfree(mvm->nd_config); - mvm->nd_config = NULL; - } - - mvm->nd_config = kzalloc(sizeof(*mvm->nd_config) + - (11 * sizeof(struct ieee80211_channel *)), - GFP_KERNEL); - if (!mvm->nd_config) { - ret = -ENOMEM; - goto out_free; - } - - mvm->nd_config->n_channels = 11; - mvm->nd_config->scan_width = NL80211_BSS_CHAN_WIDTH_20; - mvm->nd_config->interval = 5; - mvm->nd_config->min_rssi_thold = -80; - for (i = 0; i < mvm->nd_config->n_channels; i++) - mvm->nd_config->channels[i] = &mvm->nvm_data->channels[i]; - - mvm->nd_config->match_sets = - kcalloc(MAX_NUM_ND_MATCHSETS, - sizeof(*mvm->nd_config->match_sets), - GFP_KERNEL); - if (!mvm->nd_config->match_sets) { - ret = -ENOMEM; - goto out_free; - } - - while ((value_str = strsep(&buf_ptr, seps)) && - strlen(value_str)) { - struct cfg80211_match_set *set; - - if (mvm->nd_config->n_match_sets >= MAX_NUM_ND_MATCHSETS) { - ret = -EINVAL; - goto out_free; - } - - set = &mvm->nd_config->match_sets[mvm->nd_config->n_match_sets]; - set->ssid.ssid_len = strlen(value_str); - - if (set->ssid.ssid_len > IEEE80211_MAX_SSID_LEN) { - ret = -EINVAL; - goto out_free; - } - - memcpy(set->ssid.ssid, value_str, set->ssid.ssid_len); - - mvm->nd_config->n_match_sets++; - } - - ret = count; - - if (mvm->nd_config->n_match_sets) - goto out; - -out_free: - if (mvm->nd_config) - kfree(mvm->nd_config->match_sets); - kfree(mvm->nd_config); - mvm->nd_config = NULL; -out: - return ret; -} - -static ssize_t -iwl_dbgfs_netdetect_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_mvm *mvm = file->private_data; - size_t bufsz, ret; - char *buf; - int i, n_match_sets, pos = 0; - - n_match_sets = mvm->nd_config ? mvm->nd_config->n_match_sets : 0; - - bufsz = n_match_sets * (IEEE80211_MAX_SSID_LEN + 1) + 1; - buf = kzalloc(bufsz, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - for (i = 0; i < n_match_sets; i++) { - if (pos + - mvm->nd_config->match_sets[i].ssid.ssid_len + 2 > bufsz) { - ret = -EIO; - goto out; - } - - memcpy(buf + pos, mvm->nd_config->match_sets[i].ssid.ssid, - mvm->nd_config->match_sets[i].ssid.ssid_len); - pos += mvm->nd_config->match_sets[i].ssid.ssid_len; - buf[pos++] = '\n'; - } - - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); -out: - kfree(buf); - return ret; -} #endif #define PRINT_MVM_REF(ref) do { \ @@ -1474,11 +1361,25 @@ out: return count; } +static ssize_t +iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + int ret; + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); /* Device wide debugfs entries */ MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); +MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); MVM_DEBUGFS_READ_FILE_OPS(nic_temp); @@ -1504,7 +1405,6 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); #ifdef CONFIG_PM_SLEEP MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); -MVM_DEBUGFS_READ_WRITE_FILE_OPS(netdetect, 384); #endif int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) @@ -1539,6 +1439,7 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR); MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR); MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR); + MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR); if (!debugfs_create_bool("enable_scan_iteration_notif", S_IRUSR | S_IWUSR, mvm->debugfs_dir, @@ -1573,7 +1474,6 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR, mvm->debugfs_dir, &mvm->last_netdetect_scans)) goto err; - MVM_DEBUGFS_ADD_FILE(netdetect, mvm->debugfs_dir, S_IRUSR | S_IWUSR); #endif if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR, @@ -1595,6 +1495,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) if (!debugfs_create_blob("nvm_prod", S_IRUSR, mvm->debugfs_dir, &mvm->nvm_prod_blob)) goto err; + if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR, + mvm->debugfs_dir, &mvm->nvm_phy_sku_blob)) + goto err; /* * Create a symlink with mac80211. It will be removed when mac80211 diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h index d7658d16e..20521bebb 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h @@ -339,8 +339,13 @@ enum iwl_wowlan_wakeup_reason { IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE = BIT(8), IWL_WOWLAN_WAKEUP_BY_REM_WAKE_LINK_LOSS = BIT(9), IWL_WOWLAN_WAKEUP_BY_REM_WAKE_SIGNATURE_TABLE = BIT(10), - /* BIT(11) reserved */ + IWL_WOWLAN_WAKEUP_BY_REM_WAKE_TCP_EXTERNAL = BIT(11), IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET = BIT(12), + IWL_WOWLAN_WAKEUP_BY_IOAC_MAGIC_PACKET = BIT(13), + IWL_WOWLAN_WAKEUP_BY_D3_WAKEUP_HOST_TIMER = BIT(14), + IWL_WOWLAN_WAKEUP_BY_RXFRAME_FILTERED_IN = BIT(15), + IWL_WOWLAN_WAKEUP_BY_BEACON_FILTERED_IN = BIT(16), + }; /* WOWLAN_WAKE_UP_REASON_API_E_VER_2 */ struct iwl_wowlan_gtk_status { diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h index b1baa33cc..c8f3e2536 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h @@ -7,6 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -190,16 +192,10 @@ struct iwl_powertable_cmd { /** * enum iwl_device_power_flags - masks for device power command flags * @DEVIC_POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off - * receiver and transmitter. '0' - does not allow. This flag should be - * always set to '1' unless one need to disable actual power down for debug - * purposes. - * @DEVICE_POWER_FLAGS_CAM_MSK: '1' CAM (Continuous Active Mode) is set, meaning - * that power management is disabled. '0' Power management is enabled, one - * of power schemes is applied. + * receiver and transmitter. '0' - does not allow. */ enum iwl_device_power_flags { DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK = BIT(0), - DEVICE_POWER_FLAGS_CAM_MSK = BIT(13), }; /** @@ -310,17 +306,22 @@ struct iwl_reduce_tx_power_cmd { __le16 pwr_restriction; } __packed; /* TX_REDUCED_POWER_API_S_VER_1 */ +enum iwl_dev_tx_power_cmd_mode { + IWL_TX_POWER_MODE_SET_MAC = 0, + IWL_TX_POWER_MODE_SET_DEVICE = 1, + IWL_TX_POWER_MODE_SET_CHAINS = 2, +}; /* TX_POWER_REDUCED_FLAGS_TYPE_API_E_VER_2 */; + /** - * struct iwl_dev_tx_power_cmd - TX power reduction command - * REDUCE_TX_POWER_CMD = 0x9f - * @set_mode: 0 - MAC tx power, 1 - device tx power + * struct iwl_dev_tx_power_cmd_v2 - TX power reduction command + * @set_mode: see &enum iwl_dev_tx_power_cmd_mode * @mac_context_id: id of the mac ctx for which we are reducing TX power. * @pwr_restriction: TX power restriction in 1/8 dBms. * @dev_24: device TX power restriction in 1/8 dBms * @dev_52_low: device TX power restriction upper band - low * @dev_52_high: device TX power restriction upper band - high */ -struct iwl_dev_tx_power_cmd { +struct iwl_dev_tx_power_cmd_v2 { __le32 set_mode; __le32 mac_context_id; __le16 pwr_restriction; @@ -329,6 +330,20 @@ struct iwl_dev_tx_power_cmd { __le16 dev_52_high; } __packed; /* TX_REDUCED_POWER_API_S_VER_2 */ +#define IWL_NUM_CHAIN_LIMITS 2 +#define IWL_NUM_SUB_BANDS 5 + +/** + * struct iwl_dev_tx_power_cmd - TX power reduction command + * @v2: version 2 of the command, embedded here for easier software handling + * @per_chain_restriction: per chain restrictions + */ +struct iwl_dev_tx_power_cmd { + /* v3 is just an extension of v2 - keep this here */ + struct iwl_dev_tx_power_cmd_v2 v2; + __le16 per_chain_restriction[IWL_NUM_CHAIN_LIMITS][IWL_NUM_SUB_BANDS]; +} __packed; /* TX_REDUCED_POWER_API_S_VER_3 */ + #define IWL_DEV_MAX_TX_POWER 0x7FFF /** @@ -413,7 +428,7 @@ struct iwl_beacon_filter_cmd { #define IWL_BF_TEMP_FAST_FILTER_MIN 0 #define IWL_BF_TEMP_SLOW_FILTER_DEFAULT 5 -#define IWL_BF_TEMP_SLOW_FILTER_D0I3 5 +#define IWL_BF_TEMP_SLOW_FILTER_D0I3 20 #define IWL_BF_TEMP_SLOW_FILTER_MAX 255 #define IWL_BF_TEMP_SLOW_FILTER_MIN 0 diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-rx.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-rx.h new file mode 100644 index 000000000..9b7e49d46 --- /dev/null +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-rx.h @@ -0,0 +1,238 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#ifndef __fw_api_rx_h__ +#define __fw_api_rx_h__ + +#define IWL_RX_INFO_PHY_CNT 8 +#define IWL_RX_INFO_ENERGY_ANT_ABC_IDX 1 +#define IWL_RX_INFO_ENERGY_ANT_A_MSK 0x000000ff +#define IWL_RX_INFO_ENERGY_ANT_B_MSK 0x0000ff00 +#define IWL_RX_INFO_ENERGY_ANT_C_MSK 0x00ff0000 +#define IWL_RX_INFO_ENERGY_ANT_A_POS 0 +#define IWL_RX_INFO_ENERGY_ANT_B_POS 8 +#define IWL_RX_INFO_ENERGY_ANT_C_POS 16 + +/** + * struct iwl_rx_phy_info - phy info + * (REPLY_RX_PHY_CMD = 0xc0) + * @non_cfg_phy_cnt: non configurable DSP phy data byte count + * @cfg_phy_cnt: configurable DSP phy data byte count + * @stat_id: configurable DSP phy data set ID + * @reserved1: + * @system_timestamp: GP2 at on air rise + * @timestamp: TSF at on air rise + * @beacon_time_stamp: beacon at on-air rise + * @phy_flags: general phy flags: band, modulation, ... + * @channel: channel number + * @non_cfg_phy_buf: for various implementations of non_cfg_phy + * @rate_n_flags: RATE_MCS_* + * @byte_count: frame's byte-count + * @frame_time: frame's time on the air, based on byte count and frame rate + * calculation + * @mac_active_msk: what MACs were active when the frame was received + * + * Before each Rx, the device sends this data. It contains PHY information + * about the reception of the packet. + */ +struct iwl_rx_phy_info { + u8 non_cfg_phy_cnt; + u8 cfg_phy_cnt; + u8 stat_id; + u8 reserved1; + __le32 system_timestamp; + __le64 timestamp; + __le32 beacon_time_stamp; + __le16 phy_flags; + __le16 channel; + __le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT]; + __le32 rate_n_flags; + __le32 byte_count; + __le16 mac_active_msk; + __le16 frame_time; +} __packed; + +/* + * TCP offload Rx assist info + * + * bits 0:3 - reserved + * bits 4:7 - MIC CRC length + * bits 8:12 - MAC header length + * bit 13 - Padding indication + * bit 14 - A-AMSDU indication + * bit 15 - Offload enabled + */ +enum iwl_csum_rx_assist_info { + CSUM_RXA_RESERVED_MASK = 0x000f, + CSUM_RXA_MICSIZE_MASK = 0x00f0, + CSUM_RXA_HEADERLEN_MASK = 0x1f00, + CSUM_RXA_PADD = BIT(13), + CSUM_RXA_AMSDU = BIT(14), + CSUM_RXA_ENA = BIT(15) +}; + +/** + * struct iwl_rx_mpdu_res_start - phy info + * @assist: see CSUM_RX_ASSIST_ above + */ +struct iwl_rx_mpdu_res_start { + __le16 byte_count; + __le16 assist; +} __packed; /* _RX_MPDU_RES_START_API_S_VER_2 */ + +/** + * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags + * @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band + * @RX_RES_PHY_FLAGS_MOD_CCK: + * @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short + * @RX_RES_PHY_FLAGS_NARROW_BAND: + * @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received + * @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU + * @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame + * @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble + * @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame + */ +enum iwl_rx_phy_flags { + RX_RES_PHY_FLAGS_BAND_24 = BIT(0), + RX_RES_PHY_FLAGS_MOD_CCK = BIT(1), + RX_RES_PHY_FLAGS_SHORT_PREAMBLE = BIT(2), + RX_RES_PHY_FLAGS_NARROW_BAND = BIT(3), + RX_RES_PHY_FLAGS_ANTENNA = (0x7 << 4), + RX_RES_PHY_FLAGS_ANTENNA_POS = 4, + RX_RES_PHY_FLAGS_AGG = BIT(7), + RX_RES_PHY_FLAGS_OFDM_HT = BIT(8), + RX_RES_PHY_FLAGS_OFDM_GF = BIT(9), + RX_RES_PHY_FLAGS_OFDM_VHT = BIT(10), +}; + +/** + * enum iwl_mvm_rx_status - written by fw for each Rx packet + * @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine + * @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow + * @RX_MPDU_RES_STATUS_SRC_STA_FOUND: + * @RX_MPDU_RES_STATUS_KEY_VALID: + * @RX_MPDU_RES_STATUS_KEY_PARAM_OK: + * @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed + * @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked + * in the driver. + * @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine + * @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR: valid for alg = CCM_CMAC or + * alg = CCM only. Checks replay attack for 11w frames. Relevant only if + * %RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME is set. + * @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted + * @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP + * @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM + * @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP + * @RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC: this frame is encrypted using CCM_CMAC + * @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted + * @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm + * @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted + * @RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP: + * @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP: + * @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT: + * @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame + * @RX_MPDU_RES_STATUS_CSUM_DONE: checksum was done by the hw + * @RX_MPDU_RES_STATUS_CSUM_OK: checksum found no errors + * @RX_MPDU_RES_STATUS_HASH_INDEX_MSK: + * @RX_MPDU_RES_STATUS_STA_ID_MSK: + * @RX_MPDU_RES_STATUS_RRF_KILL: + * @RX_MPDU_RES_STATUS_FILTERING_MSK: + * @RX_MPDU_RES_STATUS2_FILTERING_MSK: + */ +enum iwl_mvm_rx_status { + RX_MPDU_RES_STATUS_CRC_OK = BIT(0), + RX_MPDU_RES_STATUS_OVERRUN_OK = BIT(1), + RX_MPDU_RES_STATUS_SRC_STA_FOUND = BIT(2), + RX_MPDU_RES_STATUS_KEY_VALID = BIT(3), + RX_MPDU_RES_STATUS_KEY_PARAM_OK = BIT(4), + RX_MPDU_RES_STATUS_ICV_OK = BIT(5), + RX_MPDU_RES_STATUS_MIC_OK = BIT(6), + RX_MPDU_RES_STATUS_TTAK_OK = BIT(7), + RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR = BIT(7), + RX_MPDU_RES_STATUS_SEC_NO_ENC = (0 << 8), + RX_MPDU_RES_STATUS_SEC_WEP_ENC = (1 << 8), + RX_MPDU_RES_STATUS_SEC_CCM_ENC = (2 << 8), + RX_MPDU_RES_STATUS_SEC_TKIP_ENC = (3 << 8), + RX_MPDU_RES_STATUS_SEC_EXT_ENC = (4 << 8), + RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC = (6 << 8), + RX_MPDU_RES_STATUS_SEC_ENC_ERR = (7 << 8), + RX_MPDU_RES_STATUS_SEC_ENC_MSK = (7 << 8), + RX_MPDU_RES_STATUS_DEC_DONE = BIT(11), + RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP = BIT(12), + RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP = BIT(13), + RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT = BIT(14), + RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME = BIT(15), + RX_MPDU_RES_STATUS_CSUM_DONE = BIT(16), + RX_MPDU_RES_STATUS_CSUM_OK = BIT(17), + RX_MPDU_RES_STATUS_HASH_INDEX_MSK = (0x3F0000), + RX_MPDU_RES_STATUS_STA_ID_MSK = (0x1f000000), + RX_MPDU_RES_STATUS_RRF_KILL = BIT(29), + RX_MPDU_RES_STATUS_FILTERING_MSK = (0xc00000), + RX_MPDU_RES_STATUS2_FILTERING_MSK = (0xc0000000), +}; + +#endif /* __fw_api_rx_h__ */ diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index d6cced47d..3a657e4b6 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -87,41 +87,6 @@ struct iwl_ssid_ie { u8 ssid[IEEE80211_MAX_SSID_LEN]; } __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */ -/* How many statistics are gathered for each channel */ -#define SCAN_RESULTS_STATISTICS 1 - -/** - * enum iwl_scan_complete_status - status codes for scan complete notifications - * @SCAN_COMP_STATUS_OK: scan completed successfully - * @SCAN_COMP_STATUS_ABORT: scan was aborted by user - * @SCAN_COMP_STATUS_ERR_SLEEP: sending null sleep packet failed - * @SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT: timeout before channel is ready - * @SCAN_COMP_STATUS_ERR_PROBE: sending probe request failed - * @SCAN_COMP_STATUS_ERR_WAKEUP: sending null wakeup packet failed - * @SCAN_COMP_STATUS_ERR_ANTENNAS: invalid antennas chosen at scan command - * @SCAN_COMP_STATUS_ERR_INTERNAL: internal error caused scan abort - * @SCAN_COMP_STATUS_ERR_COEX: medium was lost ot WiMax - * @SCAN_COMP_STATUS_P2P_ACTION_OK: P2P public action frame TX was successful - * (not an error!) - * @SCAN_COMP_STATUS_ITERATION_END: indicates end of one repetition the driver - * asked for - * @SCAN_COMP_STATUS_ERR_ALLOC_TE: scan could not allocate time events -*/ -enum iwl_scan_complete_status { - SCAN_COMP_STATUS_OK = 0x1, - SCAN_COMP_STATUS_ABORT = 0x2, - SCAN_COMP_STATUS_ERR_SLEEP = 0x3, - SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT = 0x4, - SCAN_COMP_STATUS_ERR_PROBE = 0x5, - SCAN_COMP_STATUS_ERR_WAKEUP = 0x6, - SCAN_COMP_STATUS_ERR_ANTENNAS = 0x7, - SCAN_COMP_STATUS_ERR_INTERNAL = 0x8, - SCAN_COMP_STATUS_ERR_COEX = 0x9, - SCAN_COMP_STATUS_P2P_ACTION_OK = 0xA, - SCAN_COMP_STATUS_ITERATION_END = 0x0B, - SCAN_COMP_STATUS_ERR_ALLOC_TE = 0x0C, -}; - /* scan offload */ #define IWL_SCAN_MAX_BLACKLIST_LEN 64 #define IWL_SCAN_SHORT_BLACKLIST_LEN 16 @@ -136,6 +101,7 @@ enum iwl_scan_complete_status { #define IWL_FULL_SCAN_MULTIPLIER 5 #define IWL_FAST_SCHED_SCAN_ITERATIONS 3 +#define IWL_MAX_SCHED_SCAN_PLANS 2 enum scan_framework_client { SCAN_CLIENT_SCHED_SCAN = BIT(0), @@ -144,71 +110,6 @@ enum scan_framework_client { }; /** - * struct iwl_scan_offload_cmd - SCAN_REQUEST_FIXED_PART_API_S_VER_6 - * @scan_flags: see enum iwl_scan_flags - * @channel_count: channels in channel list - * @quiet_time: dwell time, in milliseconds, on quiet channel - * @quiet_plcp_th: quiet channel num of packets threshold - * @good_CRC_th: passive to active promotion threshold - * @rx_chain: RXON rx chain. - * @max_out_time: max TUs to be out of associated channel - * @suspend_time: pause scan this TUs when returning to service channel - * @flags: RXON flags - * @filter_flags: RXONfilter - * @tx_cmd: tx command for active scan; for 2GHz and for 5GHz. - * @direct_scan: list of SSIDs for directed active scan - * @scan_type: see enum iwl_scan_type. - * @rep_count: repetition count for each scheduled scan iteration. - */ -struct iwl_scan_offload_cmd { - __le16 len; - u8 scan_flags; - u8 channel_count; - __le16 quiet_time; - __le16 quiet_plcp_th; - __le16 good_CRC_th; - __le16 rx_chain; - __le32 max_out_time; - __le32 suspend_time; - /* RX_ON_FLAGS_API_S_VER_1 */ - __le32 flags; - __le32 filter_flags; - struct iwl_tx_cmd tx_cmd[2]; - /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */ - struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX]; - __le32 scan_type; - __le32 rep_count; -} __packed; - -enum iwl_scan_offload_channel_flags { - IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE = BIT(0), - IWL_SCAN_OFFLOAD_CHANNEL_NARROW = BIT(22), - IWL_SCAN_OFFLOAD_CHANNEL_FULL = BIT(24), - IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL = BIT(25), -}; - -/* channel configuration for struct iwl_scan_offload_cfg. Each channels needs: - * __le32 type: bitmap; bits 1-20 are for directed scan to i'th ssid and - * see enum iwl_scan_offload_channel_flags. - * __le16 channel_number: channel number 1-13 etc. - * __le16 iter_count: repetition count for the channel. - * __le32 iter_interval: interval between two iterations on one channel. - * u8 active_dwell. - * u8 passive_dwell. - */ -#define IWL_SCAN_CHAN_SIZE 14 - -/** - * iwl_scan_offload_cfg - SCAN_OFFLOAD_CONFIG_API_S - * @scan_cmd: scan command fixed part - * @data: scan channel configuration and probe request frames - */ -struct iwl_scan_offload_cfg { - struct iwl_scan_offload_cmd scan_cmd; - u8 data[0]; -} __packed; - -/** * iwl_scan_offload_blacklist - SCAN_OFFLOAD_BLACKLIST_S * @ssid: MAC address to filter out * @reported_rssi: AP rssi reported to the host @@ -274,50 +175,18 @@ struct iwl_scan_offload_profile_cfg { } __packed; /** - * iwl_scan_offload_schedule - schedule of scan offload + * iwl_scan_schedule_lmac - schedule of scan offload * @delay: delay between iterations, in seconds. * @iterations: num of scan iterations * @full_scan_mul: number of partial scans before each full scan */ -struct iwl_scan_offload_schedule { +struct iwl_scan_schedule_lmac { __le16 delay; u8 iterations; u8 full_scan_mul; -} __packed; - -/* - * iwl_scan_offload_flags - * - * IWL_SCAN_OFFLOAD_FLAG_PASS_ALL: pass all results - no filtering. - * IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL: add cached channels to partial scan. - * IWL_SCAN_OFFLOAD_FLAG_EBS_QUICK_MODE: EBS duration is 100mSec - typical - * beacon period. Finding channel activity in this mode is not guaranteed. - * IWL_SCAN_OFFLOAD_FLAG_EBS_ACCURATE_MODE: EBS duration is 200mSec. - * Assuming beacon period is 100ms finding channel activity is guaranteed. - */ -enum iwl_scan_offload_flags { - IWL_SCAN_OFFLOAD_FLAG_PASS_ALL = BIT(0), - IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL = BIT(2), - IWL_SCAN_OFFLOAD_FLAG_EBS_QUICK_MODE = BIT(5), - IWL_SCAN_OFFLOAD_FLAG_EBS_ACCURATE_MODE = BIT(6), -}; +} __packed; /* SCAN_SCHEDULE_API_S */ -/** - * iwl_scan_offload_req - scan offload request command - * @flags: bitmap - enum iwl_scan_offload_flags. - * @watchdog: maximum scan duration in TU. - * @delay: delay in seconds before first iteration. - * @schedule_line: scan offload schedule, for fast and regular scan. - */ -struct iwl_scan_offload_req { - __le16 flags; - __le16 watchdog; - __le16 delay; - __le16 reserved; - struct iwl_scan_offload_schedule schedule_line[2]; -} __packed; - -enum iwl_scan_offload_compleate_status { +enum iwl_scan_offload_complete_status { IWL_SCAN_OFFLOAD_COMPLETED = 1, IWL_SCAN_OFFLOAD_ABORTED = 2, }; @@ -326,38 +195,10 @@ enum iwl_scan_ebs_status { IWL_SCAN_EBS_SUCCESS, IWL_SCAN_EBS_FAILED, IWL_SCAN_EBS_CHAN_NOT_FOUND, + IWL_SCAN_EBS_INACTIVE, }; /** - * iwl_scan_offload_complete - SCAN_OFFLOAD_COMPLETE_NTF_API_S_VER_1 - * @last_schedule_line: last schedule line executed (fast or regular) - * @last_schedule_iteration: last scan iteration executed before scan abort - * @status: enum iwl_scan_offload_compleate_status - * @ebs_status: last EBS status, see IWL_SCAN_EBS_* - */ -struct iwl_scan_offload_complete { - u8 last_schedule_line; - u8 last_schedule_iteration; - u8 status; - u8 ebs_status; -} __packed; - -/** - * iwl_sched_scan_results - SCAN_OFFLOAD_MATCH_FOUND_NTF_API_S_VER_1 - * @ssid_bitmap: SSIDs indexes found in this iteration - * @client_bitmap: clients that are active and wait for this notification - */ -struct iwl_sched_scan_results { - __le16 ssid_bitmap; - u8 client_bitmap; - u8 reserved; -}; - -/* Unified LMAC scan API */ - -#define IWL_MVM_BASIC_PASSIVE_DWELL 110 - -/** * iwl_scan_req_tx_cmd - SCAN_REQ_TX_CMD_API_S * @tx_flags: combination of TX_CMD_FLG_* * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is @@ -463,8 +304,19 @@ enum iwl_scan_priority { IWL_SCAN_PRIORITY_HIGH, }; +enum iwl_scan_priority_ext { + IWL_SCAN_PRIORITY_EXT_0_LOWEST, + IWL_SCAN_PRIORITY_EXT_1, + IWL_SCAN_PRIORITY_EXT_2, + IWL_SCAN_PRIORITY_EXT_3, + IWL_SCAN_PRIORITY_EXT_4, + IWL_SCAN_PRIORITY_EXT_5, + IWL_SCAN_PRIORITY_EXT_6, + IWL_SCAN_PRIORITY_EXT_7_HIGHEST, +}; + /** - * iwl_scan_req_unified_lmac - SCAN_REQUEST_CMD_API_S_VER_1 + * iwl_scan_req_lmac - SCAN_REQUEST_CMD_API_S_VER_1 * @reserved1: for alignment and future use * @channel_num: num of channels to scan * @active-dwell: dwell time for active channels @@ -487,7 +339,7 @@ enum iwl_scan_priority { * @channel_opt: channel optimization options, for full and partial scan * @data: channel configuration and probe request packet. */ -struct iwl_scan_req_unified_lmac { +struct iwl_scan_req_lmac { /* SCAN_REQUEST_FIXED_PART_API_S_VER_7 */ __le32 reserved1; u8 n_channels; @@ -508,7 +360,7 @@ struct iwl_scan_req_unified_lmac { /* SCAN_REQ_PERIODIC_PARAMS_API_S */ __le32 iter_num; __le32 delay; - struct iwl_scan_offload_schedule schedule[2]; + struct iwl_scan_schedule_lmac schedule[IWL_MAX_SCHED_SCAN_PLANS]; struct iwl_scan_channel_opt channel_opt[2]; u8 data[]; } __packed; @@ -570,19 +422,11 @@ struct iwl_periodic_scan_complete { /* UMAC Scan API */ -/** - * struct iwl_mvm_umac_cmd_hdr - Command header for UMAC commands - * @size: size of the command (not including header) - * @reserved0: for future use and alignment - * @ver: API version number +/* The maximum of either of these cannot exceed 8, because we use an + * 8-bit mask (see IWL_MVM_SCAN_MASK in mvm.h). */ -struct iwl_mvm_umac_cmd_hdr { - __le16 size; - u8 reserved0; - u8 ver; -} __packed; - -#define IWL_MVM_MAX_SIMULTANEOUS_SCANS 8 +#define IWL_MVM_MAX_UMAC_SCANS 8 +#define IWL_MVM_MAX_LMAC_SCANS 1 enum scan_config_flags { SCAN_CONFIG_FLAG_ACTIVATE = BIT(0), @@ -637,7 +481,6 @@ enum iwl_channel_flags { /** * struct iwl_scan_config - * @hdr: umac command header * @flags: enum scan_config_flags * @tx_chains: valid_tx antenna - ANT_* definitions * @rx_chains: valid_rx antenna - ANT_* definitions @@ -655,7 +498,6 @@ enum iwl_channel_flags { * @channel_array: default supported channels */ struct iwl_scan_config { - struct iwl_mvm_umac_cmd_hdr hdr; __le32 flags; __le32 tx_chains; __le32 rx_chains; @@ -676,7 +518,8 @@ struct iwl_scan_config { * iwl_umac_scan_flags *@IWL_UMAC_SCAN_FLAG_PREEMPTIVE: scan process triggered by this scan request * can be preempted by other scan requests with higher priority. - * The low priority scan is aborted. + * The low priority scan will be resumed when the higher proirity scan is + * completed. *@IWL_UMAC_SCAN_FLAG_START_NOTIF: notification will be sent to the driver * when scan starts. */ @@ -740,7 +583,7 @@ struct iwl_scan_umac_schedule { */ struct iwl_scan_req_umac_tail { /* SCAN_PERIODIC_PARAMS_API_S_VER_1 */ - struct iwl_scan_umac_schedule schedule[2]; + struct iwl_scan_umac_schedule schedule[IWL_MAX_SCHED_SCAN_PLANS]; __le16 delay; __le16 reserved; /* SCAN_PROBE_PARAMS_API_S_VER_1 */ @@ -750,7 +593,6 @@ struct iwl_scan_req_umac_tail { /** * struct iwl_scan_req_umac - * @hdr: umac command header * @flags: &enum iwl_umac_scan_flags * @uid: scan id, &enum iwl_umac_scan_uid_offsets * @ooc_priority: out of channel priority - &enum iwl_scan_priority @@ -769,7 +611,6 @@ struct iwl_scan_req_umac_tail { * &struct iwl_scan_req_umac_tail */ struct iwl_scan_req_umac { - struct iwl_mvm_umac_cmd_hdr hdr; __le32 flags; __le32 uid; __le32 ooc_priority; @@ -791,12 +632,10 @@ struct iwl_scan_req_umac { /** * struct iwl_umac_scan_abort - * @hdr: umac command header * @uid: scan id, &enum iwl_umac_scan_uid_offsets * @flags: reserved */ struct iwl_umac_scan_abort { - struct iwl_mvm_umac_cmd_hdr hdr; __le32 uid; __le32 flags; } __packed; /* SCAN_ABORT_CMD_UMAC_API_S_VER_1 */ @@ -865,4 +704,27 @@ struct iwl_scan_offload_profiles_query { struct iwl_scan_offload_profile_match matches[IWL_SCAN_MAX_PROFILES]; } __packed; /* SCAN_OFFLOAD_PROFILES_QUERY_RSP_S_VER_2 */ +/** + * struct iwl_umac_scan_iter_complete_notif - notifies end of scanning iteration + * @uid: scan id, &enum iwl_umac_scan_uid_offsets + * @scanned_channels: number of channels scanned and number of valid elements in + * results array + * @status: one of SCAN_COMP_STATUS_* + * @bt_status: BT on/off status + * @last_channel: last channel that was scanned + * @tsf_low: TSF timer (lower half) in usecs + * @tsf_high: TSF timer (higher half) in usecs + * @results: array of scan results, only "scanned_channels" of them are valid + */ +struct iwl_umac_scan_iter_complete_notif { + __le32 uid; + u8 scanned_channels; + u8 status; + u8 bt_status; + u8 last_channel; + __le32 tsf_low; + __le32 tsf_high; + struct iwl_scan_results_notif results[]; +} __packed; /* SCAN_ITER_COMPLETE_NTF_UMAC_API_S_VER_1 */ + #endif diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h index 21dd5b771..493a8bdfb 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h @@ -366,8 +366,8 @@ struct iwl_mvm_rm_sta_cmd { * ( MGMT_MCAST_KEY = 0x1f ) * @ctrl_flags: %iwl_sta_key_flag * @IGTK: - * @K1: IGTK master key - * @K2: IGTK sub key + * @K1: unused + * @K2: unused * @sta_id: station ID that support IGTK * @key_id: * @receive_seq_cnt: initial RSC/PN needed for replay check diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-stats.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-stats.h index 709e28d8b..0c321f63e 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-stats.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-stats.h @@ -219,32 +219,6 @@ struct mvm_statistics_bt_activity { __le32 lo_priority_rx_denied_cnt; } __packed; /* STATISTICS_BT_ACTIVITY_API_S_VER_1 */ -struct mvm_statistics_general_v5 { - __le32 radio_temperature; - __le32 radio_voltage; - struct mvm_statistics_dbg dbg; - __le32 sleep_time; - __le32 slots_out; - __le32 slots_idle; - __le32 ttl_timestamp; - struct mvm_statistics_div slow_div; - __le32 rx_enable_counter; - /* - * num_of_sos_states: - * count the number of times we have to re-tune - * in order to get out of bad PHY status - */ - __le32 num_of_sos_states; - __le32 beacon_filtered; - __le32 missed_beacons; - __s8 beacon_filter_average_energy; - __s8 beacon_filter_reason; - __s8 beacon_filter_current_energy; - __s8 beacon_filter_reserved; - __le32 beacon_filter_delta_time; - struct mvm_statistics_bt_activity bt_activity; -} __packed; /* STATISTICS_GENERAL_API_S_VER_5 */ - struct mvm_statistics_general_v8 { __le32 radio_temperature; __le32 radio_voltage; @@ -263,10 +237,10 @@ struct mvm_statistics_general_v8 { __le32 num_of_sos_states; __le32 beacon_filtered; __le32 missed_beacons; - __s8 beacon_filter_average_energy; - __s8 beacon_filter_reason; - __s8 beacon_filter_current_energy; - __s8 beacon_filter_reserved; + u8 beacon_filter_average_energy; + u8 beacon_filter_reason; + u8 beacon_filter_current_energy; + u8 beacon_filter_reserved; __le32 beacon_filter_delta_time; struct mvm_statistics_bt_activity bt_activity; __le64 rx_time; @@ -293,13 +267,6 @@ struct mvm_statistics_rx { * STATISTICS_CMD (0x9c), below. */ -struct iwl_notif_statistics_v8 { - __le32 flag; - struct mvm_statistics_rx rx; - struct mvm_statistics_tx tx; - struct mvm_statistics_general_v5 general; -} __packed; /* STATISTICS_NTFY_API_S_VER_8 */ - struct iwl_notif_statistics_v10 { __le32 flag; struct mvm_statistics_rx rx; diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-tof.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-tof.h new file mode 100644 index 000000000..eed6271d0 --- /dev/null +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-tof.h @@ -0,0 +1,386 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2015 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2015 Intel Deutschland GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#ifndef __fw_api_tof_h__ +#define __fw_api_tof_h__ + +#include "fw-api.h" + +/* ToF sub-group command IDs */ +enum iwl_mvm_tof_sub_grp_ids { + TOF_RANGE_REQ_CMD = 0x1, + TOF_CONFIG_CMD = 0x2, + TOF_RANGE_ABORT_CMD = 0x3, + TOF_RANGE_REQ_EXT_CMD = 0x4, + TOF_RESPONDER_CONFIG_CMD = 0x5, + TOF_NW_INITIATED_RES_SEND_CMD = 0x6, + TOF_NEIGHBOR_REPORT_REQ_CMD = 0x7, + TOF_NEIGHBOR_REPORT_RSP_NOTIF = 0xFC, + TOF_NW_INITIATED_REQ_RCVD_NOTIF = 0xFD, + TOF_RANGE_RESPONSE_NOTIF = 0xFE, + TOF_MCSI_DEBUG_NOTIF = 0xFB, +}; + +/** + * struct iwl_tof_config_cmd - ToF configuration + * @tof_disabled: 0 enabled, 1 - disabled + * @one_sided_disabled: 0 enabled, 1 - disabled + * @is_debug_mode: 1 debug mode, 0 - otherwise + * @is_buf_required: 1 channel estimation buffer required, 0 - otherwise + */ +struct iwl_tof_config_cmd { + __le32 sub_grp_cmd_id; + u8 tof_disabled; + u8 one_sided_disabled; + u8 is_debug_mode; + u8 is_buf_required; +} __packed; + +/** + * struct iwl_tof_responder_config_cmd - ToF AP mode (for debug) + * @burst_period: future use: (currently hard coded in the LMAC) + * The interval between two sequential bursts. + * @min_delta_ftm: future use: (currently hard coded in the LMAC) + * The minimum delay between two sequential FTM Responses + * in the same burst. + * @burst_duration: future use: (currently hard coded in the LMAC) + * The total time for all FTMs handshake in the same burst. + * Affect the time events duration in the LMAC. + * @num_of_burst_exp: future use: (currently hard coded in the LMAC) + * The number of bursts for the current ToF request. Affect + * the number of events allocations in the current iteration. + * @get_ch_est: for xVT only, NA for driver + * @abort_responder: when set to '1' - Responder will terminate its activity + * (all other fields in the command are ignored) + * @recv_sta_req_params: 1 - Responder will ignore the other Responder's + * params and use the recomended Initiator params. + * 0 - otherwise + * @channel_num: current AP Channel + * @bandwidth: current AP Bandwidth: 0 20MHz, 1 40MHz, 2 80MHz + * @rate: current AP rate + * @ctrl_ch_position: coding of the control channel position relative to + * the center frequency. + * 40MHz 0 below center, 1 above center + * 80MHz bits [0..1]: 0 the near 20MHz to the center, + * 1 the far 20MHz to the center + * bit[2] as above 40MHz + * @ftm_per_burst: FTMs per Burst + * @ftm_resp_ts_avail: '0' - we don't measure over the Initial FTM Response, + * '1' - we measure over the Initial FTM Response + * @asap_mode: ASAP / Non ASAP mode for the current WLS station + * @sta_id: index of the AP STA when in AP mode + * @tsf_timer_offset_msecs: The dictated time offset (mSec) from the AP's TSF + * @toa_offset: Artificial addition [0.1nsec] for the ToA - to be used for debug + * purposes, simulating station movement by adding various values + * to this field + * @bssid: Current AP BSSID + */ +struct iwl_tof_responder_config_cmd { + __le32 sub_grp_cmd_id; + __le16 burst_period; + u8 min_delta_ftm; + u8 burst_duration; + u8 num_of_burst_exp; + u8 get_ch_est; + u8 abort_responder; + u8 recv_sta_req_params; + u8 channel_num; + u8 bandwidth; + u8 rate; + u8 ctrl_ch_position; + u8 ftm_per_burst; + u8 ftm_resp_ts_avail; + u8 asap_mode; + u8 sta_id; + __le16 tsf_timer_offset_msecs; + __le16 toa_offset; + u8 bssid[ETH_ALEN]; +} __packed; + +/** + * struct iwl_tof_range_request_ext_cmd - extended range req for WLS + * @tsf_timer_offset_msec: the recommended time offset (mSec) from the AP's TSF + * @min_delta_ftm: Minimal time between two consecutive measurements, + * in units of 100us. 0 means no preference by station + * @ftm_format_and_bw20M: FTM Channel Spacing/Format for 20MHz: recommended + * value be sent to the AP + * @ftm_format_and_bw40M: FTM Channel Spacing/Format for 40MHz: recommended + * value to be sent to the AP + * @ftm_format_and_bw80M: FTM Channel Spacing/Format for 80MHz: recommended + * value to be sent to the AP + */ +struct iwl_tof_range_req_ext_cmd { + __le32 sub_grp_cmd_id; + __le16 tsf_timer_offset_msec; + __le16 reserved; + u8 min_delta_ftm; + u8 ftm_format_and_bw20M; + u8 ftm_format_and_bw40M; + u8 ftm_format_and_bw80M; +} __packed; + +#define IWL_MVM_TOF_MAX_APS 21 + +/** + * struct iwl_tof_range_req_ap_entry - AP configuration parameters + * @channel_num: Current AP Channel + * @bandwidth: Current AP Bandwidth: 0 20MHz, 1 40MHz, 2 80MHz + * @tsf_delta_direction: TSF relatively to the subject AP + * @ctrl_ch_position: Coding of the control channel position relative to the + * center frequency. + * 40MHz 0 below center, 1 above center + * 80MHz bits [0..1]: 0 the near 20MHz to the center, + * 1 the far 20MHz to the center + * bit[2] as above 40MHz + * @bssid: AP's bss id + * @measure_type: Measurement type: 0 - two sided, 1 - One sided + * @num_of_bursts: Recommended value to be sent to the AP. 2s Exponent of the + * number of measurement iterations (min 2^0 = 1, max 2^14) + * @burst_period: Recommended value to be sent to the AP. Measurement + * periodicity In units of 100ms. ignored if num_of_bursts = 0 + * @samples_per_burst: 2-sided: the number of FTMs pairs in single Burst (1-31) + * 1-sided: how many rts/cts pairs should be used per burst. + * @retries_per_sample: Max number of retries that the LMAC should send + * in case of no replies by the AP. + * @tsf_delta: TSF Delta in units of microseconds. + * The difference between the AP TSF and the device local clock. + * @location_req: Location Request Bit[0] LCI should be sent in the FTMR + * Bit[1] Civic should be sent in the FTMR + * @asap_mode: 0 - non asap mode, 1 - asap mode (not relevant for one sided) + * @enable_dyn_ack: Enable Dynamic ACK BW. + * 0 Initiator interact with regular AP + * 1 Initiator interact with Responder machine: need to send the + * Initiator Acks with HT 40MHz / 80MHz, since the Responder should + * use it for its ch est measurement (this flag will be set when we + * configure the opposite machine to be Responder). + * @rssi: Last received value + * leagal values: -128-0 (0x7f). above 0x0 indicating an invalid value. + */ +struct iwl_tof_range_req_ap_entry { + u8 channel_num; + u8 bandwidth; + u8 tsf_delta_direction; + u8 ctrl_ch_position; + u8 bssid[ETH_ALEN]; + u8 measure_type; + u8 num_of_bursts; + __le16 burst_period; + u8 samples_per_burst; + u8 retries_per_sample; + __le32 tsf_delta; + u8 location_req; + u8 asap_mode; + u8 enable_dyn_ack; + s8 rssi; +} __packed; + +/** + * enum iwl_tof_response_mode + * @IWL_MVM_TOF_RESPOSE_ASAP: report each AP measurement separately as soon as + * possible (not supported for this release) + * @IWL_MVM_TOF_RESPOSE_TIMEOUT: report all AP measurements as a batch upon + * timeout expiration + * @IWL_MVM_TOF_RESPOSE_COMPLETE: report all AP measurements as a batch at the + * earlier of: measurements completion / timeout + * expiration. + */ +enum iwl_tof_response_mode { + IWL_MVM_TOF_RESPOSE_ASAP = 1, + IWL_MVM_TOF_RESPOSE_TIMEOUT, + IWL_MVM_TOF_RESPOSE_COMPLETE, +}; + +/** + * struct iwl_tof_range_req_cmd - start measurement cmd + * @request_id: A Token incremented per request. The same Token will be + * sent back in the range response + * @initiator: 0- NW initiated, 1 - Client Initiated + * @one_sided_los_disable: '0'- run ML-Algo for both ToF/OneSided, + * '1' - run ML-Algo for ToF only + * @req_timeout: Requested timeout of the response in units of 100ms. + * This is equivalent to the session time configured to the + * LMAC in Initiator Request + * @report_policy: Supported partially for this release: For current release - + * the range report will be uploaded as a batch when ready or + * when the session is done (successfully / partially). + * one of iwl_tof_response_mode. + * @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS) + * @macaddr_random: '0' Use default source MAC address (i.e. p2_p), + * '1' Use MAC Address randomization according to the below + * @macaddr_mask: Bits set to 0 shall be copied from the MAC address template. + * Bits set to 1 shall be randomized by the UMAC + */ +struct iwl_tof_range_req_cmd { + __le32 sub_grp_cmd_id; + u8 request_id; + u8 initiator; + u8 one_sided_los_disable; + u8 req_timeout; + u8 report_policy; + u8 los_det_disable; + u8 num_of_ap; + u8 macaddr_random; + u8 macaddr_template[ETH_ALEN]; + u8 macaddr_mask[ETH_ALEN]; + struct iwl_tof_range_req_ap_entry ap[IWL_MVM_TOF_MAX_APS]; +} __packed; + +/** + * struct iwl_tof_gen_resp_cmd - generic ToF response + */ +struct iwl_tof_gen_resp_cmd { + __le32 sub_grp_cmd_id; + u8 data[]; +} __packed; + +/** + * struct iwl_tof_range_rsp_ap_entry_ntfy - AP parameters (response) + * @measure_status: current APs measurement status + * @measure_bw: Current AP Bandwidth: 0 20MHz, 1 40MHz, 2 80MHz + * @rtt: The Round Trip Time that took for the last measurement for + * current AP [nSec] + * @rtt_variance: The Variance of the RTT values measured for current AP + * @rtt_spread: The Difference between the maximum and the minimum RTT + * values measured for current AP in the current session [nsec] + * @rssi: RSSI as uploaded in the Channel Estimation notification + * @rssi_spread: The Difference between the maximum and the minimum RSSI values + * measured for current AP in the current session + * @range: Measured range [cm] + * @range_variance: Measured range variance [cm] + * @timestamp: The GP2 Clock [usec] where Channel Estimation notification was + * uploaded by the LMAC + */ +struct iwl_tof_range_rsp_ap_entry_ntfy { + u8 bssid[ETH_ALEN]; + u8 measure_status; + u8 measure_bw; + __le32 rtt; + __le32 rtt_variance; + __le32 rtt_spread; + s8 rssi; + u8 rssi_spread; + __le16 reserved; + __le32 range; + __le32 range_variance; + __le32 timestamp; +} __packed; + +/** + * struct iwl_tof_range_rsp_ntfy - + * @request_id: A Token ID of the corresponding Range request + * @request_status: status of current measurement session + * @last_in_batch: reprot policy (when not all responses are uploaded at once) + * @num_of_aps: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS) + */ +struct iwl_tof_range_rsp_ntfy { + u8 request_id; + u8 request_status; + u8 last_in_batch; + u8 num_of_aps; + struct iwl_tof_range_rsp_ap_entry_ntfy ap[IWL_MVM_TOF_MAX_APS]; +} __packed; + +#define IWL_MVM_TOF_MCSI_BUF_SIZE (245) +/** + * struct iwl_tof_mcsi_notif - used for debug + * @token: token ID for the current session + * @role: '0' - initiator, '1' - responder + * @initiator_bssid: initiator machine + * @responder_bssid: responder machine + * @mcsi_buffer: debug data + */ +struct iwl_tof_mcsi_notif { + u8 token; + u8 role; + __le16 reserved; + u8 initiator_bssid[ETH_ALEN]; + u8 responder_bssid[ETH_ALEN]; + u8 mcsi_buffer[IWL_MVM_TOF_MCSI_BUF_SIZE * 4]; +} __packed; + +/** + * struct iwl_tof_neighbor_report_notif + * @bssid: BSSID of the AP which sent the report + * @request_token: same token as the corresponding request + * @status: + * @report_ie_len: the length of the response frame starting from the Element ID + * @data: the IEs + */ +struct iwl_tof_neighbor_report { + u8 bssid[ETH_ALEN]; + u8 request_token; + u8 status; + __le16 report_ie_len; + u8 data[]; +} __packed; + +/** + * struct iwl_tof_range_abort_cmd + * @request_id: corresponds to a range request + */ +struct iwl_tof_range_abort_cmd { + __le32 sub_grp_cmd_id; + u8 request_id; + u8 reserved[3]; +} __packed; + +#endif diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h index 81c4ea3c6..853698ab8 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h @@ -124,6 +124,18 @@ enum iwl_tx_flags { TX_CMD_FLG_HCCA_CHUNK = BIT(31) }; /* TX_FLAGS_BITS_API_S_VER_1 */ +/** + * enum iwl_tx_pm_timeouts - pm timeout values in TX command + * @PM_FRAME_NONE: no need to suspend sleep mode + * @PM_FRAME_MGMT: fw suspend sleep mode for 100TU + * @PM_FRAME_ASSOC: fw suspend sleep mode for 10sec + */ +enum iwl_tx_pm_timeouts { + PM_FRAME_NONE = 0, + PM_FRAME_MGMT = 2, + PM_FRAME_ASSOC = 3, +}; + /* * TX command security control */ diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 01b1da6ad..181590fbd 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -67,6 +67,7 @@ #define __fw_api_h__ #include "fw-api-rs.h" +#include "fw-api-rx.h" #include "fw-api-tx.h" #include "fw-api-sta.h" #include "fw-api-mac.h" @@ -75,6 +76,7 @@ #include "fw-api-coex.h" #include "fw-api-scan.h" #include "fw-api-stats.h" +#include "fw-api-tof.h" /* Tx queue numbers */ enum { @@ -99,6 +101,7 @@ enum iwl_mvm_tx_fifo { enum { MVM_ALIVE = 0x1, REPLY_ERROR = 0x2, + ECHO_CMD = 0x3, INIT_COMPLETE_NOTIF = 0x4, @@ -108,6 +111,7 @@ enum { ANTENNA_COUPLING_NOTIFICATION = 0xa, /* UMAC scan commands */ + SCAN_ITERATION_COMPLETE_UMAC = 0xb5, SCAN_CFG_CMD = 0xc, SCAN_REQ_UMAC = 0xd, SCAN_ABORT_UMAC = 0xe, @@ -118,6 +122,9 @@ enum { ADD_STA = 0x18, REMOVE_STA = 0x19, + /* paging get item */ + FW_GET_ITEM_CMD = 0x1a, + /* TX */ TX_CMD = 0x1c, TXPATH_FLUSH = 0x1e, @@ -147,12 +154,8 @@ enum { LQ_CMD = 0x4e, - /* Calibration */ - TEMPERATURE_NOTIFICATION = 0x62, - CALIBRATION_CFG_CMD = 0x65, - CALIBRATION_RES_NOTIFICATION = 0x66, - CALIBRATION_COMPLETE_NOTIFICATION = 0x67, - RADIO_VERSION_NOTIFICATION = 0x68, + /* paging block to FW cpu2 */ + FW_PAGING_BLOCK_CMD = 0x4f, /* Scan offload */ SCAN_OFFLOAD_REQUEST_CMD = 0x51, @@ -169,6 +172,10 @@ enum { CALIB_RES_NOTIF_PHY_DB = 0x6b, /* PHY_DB_CMD = 0x6c, */ + /* ToF - 802.11mc FTM */ + TOF_CMD = 0x10, + TOF_NOTIFICATION = 0x11, + /* Power - legacy power table command */ POWER_TABLE_CMD = 0x77, PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION = 0x78, @@ -177,12 +184,8 @@ enum { /* Thermal Throttling*/ REPLY_THERMAL_MNG_BACKOFF = 0x7e, - /* Scanning */ - SCAN_REQUEST_CMD = 0x80, - SCAN_ABORT_CMD = 0x81, - SCAN_START_NOTIFICATION = 0x82, - SCAN_RESULTS_NOTIFICATION = 0x83, - SCAN_COMPLETE_NOTIFICATION = 0x84, + /* Set/Get DC2DC frequency tune */ + DC2DC_CONFIG_CMD = 0x83, /* NVM */ NVM_ACCESS_CMD = 0x88, @@ -265,6 +268,16 @@ enum { REPLY_MAX = 0xff, }; +enum iwl_phy_ops_subcmd_ids { + CMD_DTS_MEASUREMENT_TRIGGER_WIDE = 0x0, + DTS_MEASUREMENT_NOTIF_WIDE = 0xFF, +}; + +/* command groups */ +enum { + PHY_OPS_GROUP = 0x4, +}; + /** * struct iwl_cmd_response - generic response struct for most commands * @status: status of the command asked, changes for each one @@ -375,6 +388,50 @@ struct iwl_nvm_access_cmd { u8 data[]; } __packed; /* NVM_ACCESS_CMD_API_S_VER_2 */ +#define NUM_OF_FW_PAGING_BLOCKS 33 /* 32 for data and 1 block for CSS */ + +/* + * struct iwl_fw_paging_cmd - paging layout + * + * (FW_PAGING_BLOCK_CMD = 0x4f) + * + * Send to FW the paging layout in the driver. + * + * @flags: various flags for the command + * @block_size: the block size in powers of 2 + * @block_num: number of blocks specified in the command. + * @device_phy_addr: virtual addresses from device side +*/ +struct iwl_fw_paging_cmd { + __le32 flags; + __le32 block_size; + __le32 block_num; + __le32 device_phy_addr[NUM_OF_FW_PAGING_BLOCKS]; +} __packed; /* FW_PAGING_BLOCK_CMD_API_S_VER_1 */ + +/* + * Fw items ID's + * + * @IWL_FW_ITEM_ID_PAGING: Address of the pages that the FW will upload + * download + */ +enum iwl_fw_item_id { + IWL_FW_ITEM_ID_PAGING = 3, +}; + +/* + * struct iwl_fw_get_item_cmd - get an item from the fw + */ +struct iwl_fw_get_item_cmd { + __le32 item_id; +} __packed; /* FW_GET_ITEM_CMD_API_S_VER_1 */ + +struct iwl_fw_get_item_resp { + __le32 item_id; + __le32 item_byte_cnt; + __le32 item_val; +} __packed; /* FW_GET_ITEM_RSP_S_VER_1 */ + /** * struct iwl_nvm_access_resp_ver2 - response to NVM_ACCESS_CMD * @offset: offset in bytes into the section @@ -1025,163 +1082,6 @@ struct iwl_hs20_roc_res { __le32 status; } __packed; /* HOT_SPOT_RSP_API_S_VER_1 */ -#define IWL_RX_INFO_PHY_CNT 8 -#define IWL_RX_INFO_ENERGY_ANT_ABC_IDX 1 -#define IWL_RX_INFO_ENERGY_ANT_A_MSK 0x000000ff -#define IWL_RX_INFO_ENERGY_ANT_B_MSK 0x0000ff00 -#define IWL_RX_INFO_ENERGY_ANT_C_MSK 0x00ff0000 -#define IWL_RX_INFO_ENERGY_ANT_A_POS 0 -#define IWL_RX_INFO_ENERGY_ANT_B_POS 8 -#define IWL_RX_INFO_ENERGY_ANT_C_POS 16 - -#define IWL_RX_INFO_AGC_IDX 1 -#define IWL_RX_INFO_RSSI_AB_IDX 2 -#define IWL_OFDM_AGC_A_MSK 0x0000007f -#define IWL_OFDM_AGC_A_POS 0 -#define IWL_OFDM_AGC_B_MSK 0x00003f80 -#define IWL_OFDM_AGC_B_POS 7 -#define IWL_OFDM_AGC_CODE_MSK 0x3fe00000 -#define IWL_OFDM_AGC_CODE_POS 20 -#define IWL_OFDM_RSSI_INBAND_A_MSK 0x00ff -#define IWL_OFDM_RSSI_A_POS 0 -#define IWL_OFDM_RSSI_ALLBAND_A_MSK 0xff00 -#define IWL_OFDM_RSSI_ALLBAND_A_POS 8 -#define IWL_OFDM_RSSI_INBAND_B_MSK 0xff0000 -#define IWL_OFDM_RSSI_B_POS 16 -#define IWL_OFDM_RSSI_ALLBAND_B_MSK 0xff000000 -#define IWL_OFDM_RSSI_ALLBAND_B_POS 24 - -/** - * struct iwl_rx_phy_info - phy info - * (REPLY_RX_PHY_CMD = 0xc0) - * @non_cfg_phy_cnt: non configurable DSP phy data byte count - * @cfg_phy_cnt: configurable DSP phy data byte count - * @stat_id: configurable DSP phy data set ID - * @reserved1: - * @system_timestamp: GP2 at on air rise - * @timestamp: TSF at on air rise - * @beacon_time_stamp: beacon at on-air rise - * @phy_flags: general phy flags: band, modulation, ... - * @channel: channel number - * @non_cfg_phy_buf: for various implementations of non_cfg_phy - * @rate_n_flags: RATE_MCS_* - * @byte_count: frame's byte-count - * @frame_time: frame's time on the air, based on byte count and frame rate - * calculation - * @mac_active_msk: what MACs were active when the frame was received - * - * Before each Rx, the device sends this data. It contains PHY information - * about the reception of the packet. - */ -struct iwl_rx_phy_info { - u8 non_cfg_phy_cnt; - u8 cfg_phy_cnt; - u8 stat_id; - u8 reserved1; - __le32 system_timestamp; - __le64 timestamp; - __le32 beacon_time_stamp; - __le16 phy_flags; - __le16 channel; - __le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT]; - __le32 rate_n_flags; - __le32 byte_count; - __le16 mac_active_msk; - __le16 frame_time; -} __packed; - -struct iwl_rx_mpdu_res_start { - __le16 byte_count; - __le16 reserved; -} __packed; - -/** - * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags - * @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band - * @RX_RES_PHY_FLAGS_MOD_CCK: - * @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short - * @RX_RES_PHY_FLAGS_NARROW_BAND: - * @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received - * @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU - * @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame - * @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble - * @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame - */ -enum iwl_rx_phy_flags { - RX_RES_PHY_FLAGS_BAND_24 = BIT(0), - RX_RES_PHY_FLAGS_MOD_CCK = BIT(1), - RX_RES_PHY_FLAGS_SHORT_PREAMBLE = BIT(2), - RX_RES_PHY_FLAGS_NARROW_BAND = BIT(3), - RX_RES_PHY_FLAGS_ANTENNA = (0x7 << 4), - RX_RES_PHY_FLAGS_ANTENNA_POS = 4, - RX_RES_PHY_FLAGS_AGG = BIT(7), - RX_RES_PHY_FLAGS_OFDM_HT = BIT(8), - RX_RES_PHY_FLAGS_OFDM_GF = BIT(9), - RX_RES_PHY_FLAGS_OFDM_VHT = BIT(10), -}; - -/** - * enum iwl_mvm_rx_status - written by fw for each Rx packet - * @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine - * @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow - * @RX_MPDU_RES_STATUS_SRC_STA_FOUND: - * @RX_MPDU_RES_STATUS_KEY_VALID: - * @RX_MPDU_RES_STATUS_KEY_PARAM_OK: - * @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed - * @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked - * in the driver. - * @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine - * @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR: valid for alg = CCM_CMAC or - * alg = CCM only. Checks replay attack for 11w frames. Relevant only if - * %RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME is set. - * @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted - * @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP - * @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM - * @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP - * @RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC: this frame is encrypted using CCM_CMAC - * @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted - * @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm - * @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted - * @RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP: - * @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP: - * @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT: - * @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame - * @RX_MPDU_RES_STATUS_HASH_INDEX_MSK: - * @RX_MPDU_RES_STATUS_STA_ID_MSK: - * @RX_MPDU_RES_STATUS_RRF_KILL: - * @RX_MPDU_RES_STATUS_FILTERING_MSK: - * @RX_MPDU_RES_STATUS2_FILTERING_MSK: - */ -enum iwl_mvm_rx_status { - RX_MPDU_RES_STATUS_CRC_OK = BIT(0), - RX_MPDU_RES_STATUS_OVERRUN_OK = BIT(1), - RX_MPDU_RES_STATUS_SRC_STA_FOUND = BIT(2), - RX_MPDU_RES_STATUS_KEY_VALID = BIT(3), - RX_MPDU_RES_STATUS_KEY_PARAM_OK = BIT(4), - RX_MPDU_RES_STATUS_ICV_OK = BIT(5), - RX_MPDU_RES_STATUS_MIC_OK = BIT(6), - RX_MPDU_RES_STATUS_TTAK_OK = BIT(7), - RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR = BIT(7), - RX_MPDU_RES_STATUS_SEC_NO_ENC = (0 << 8), - RX_MPDU_RES_STATUS_SEC_WEP_ENC = (1 << 8), - RX_MPDU_RES_STATUS_SEC_CCM_ENC = (2 << 8), - RX_MPDU_RES_STATUS_SEC_TKIP_ENC = (3 << 8), - RX_MPDU_RES_STATUS_SEC_EXT_ENC = (4 << 8), - RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC = (6 << 8), - RX_MPDU_RES_STATUS_SEC_ENC_ERR = (7 << 8), - RX_MPDU_RES_STATUS_SEC_ENC_MSK = (7 << 8), - RX_MPDU_RES_STATUS_DEC_DONE = BIT(11), - RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP = BIT(12), - RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP = BIT(13), - RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT = BIT(14), - RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME = BIT(15), - RX_MPDU_RES_STATUS_HASH_INDEX_MSK = (0x3F0000), - RX_MPDU_RES_STATUS_STA_ID_MSK = (0x1f000000), - RX_MPDU_RES_STATUS_RRF_KILL = BIT(29), - RX_MPDU_RES_STATUS_FILTERING_MSK = (0xc00000), - RX_MPDU_RES_STATUS2_FILTERING_MSK = (0xc0000000), -}; - /** * struct iwl_radio_version_notif - information on the radio version * ( RADIO_VERSION_NOTIFICATION = 0x68 ) @@ -1402,6 +1302,49 @@ struct iwl_mvm_marker { __le32 metadata[0]; } __packed; /* MARKER_API_S_VER_1 */ +/* + * enum iwl_dc2dc_config_id - flag ids + * + * Ids of dc2dc configuration flags + */ +enum iwl_dc2dc_config_id { + DCDC_LOW_POWER_MODE_MSK_SET = 0x1, /* not used */ + DCDC_FREQ_TUNE_SET = 0x2, +}; /* MARKER_ID_API_E_VER_1 */ + +/** + * struct iwl_dc2dc_config_cmd - configure dc2dc values + * + * (DC2DC_CONFIG_CMD = 0x83) + * + * Set/Get & configure dc2dc values. + * The command always returns the current dc2dc values. + * + * @flags: set/get dc2dc + * @enable_low_power_mode: not used. + * @dc2dc_freq_tune0: frequency divider - digital domain + * @dc2dc_freq_tune1: frequency divider - analog domain + */ +struct iwl_dc2dc_config_cmd { + __le32 flags; + __le32 enable_low_power_mode; /* not used */ + __le32 dc2dc_freq_tune0; + __le32 dc2dc_freq_tune1; +} __packed; /* DC2DC_CONFIG_CMD_API_S_VER_1 */ + +/** + * struct iwl_dc2dc_config_resp - response for iwl_dc2dc_config_cmd + * + * Current dc2dc values returned by the FW. + * + * @dc2dc_freq_tune0: frequency divider - digital domain + * @dc2dc_freq_tune1: frequency divider - analog domain + */ +struct iwl_dc2dc_config_resp { + __le32 dc2dc_freq_tune0; + __le32 dc2dc_freq_tune1; +} __packed; /* DC2DC_CONFIG_RESP_API_S_VER_1 */ + /*********************************** * Smart Fifo API ***********************************/ @@ -1581,6 +1524,69 @@ struct iwl_dts_measurement_cmd { } __packed; /* TEMPERATURE_MEASUREMENT_TRIGGER_CMD_S */ /** +* enum iwl_dts_control_measurement_mode - DTS measurement type +* @DTS_AUTOMATIC: Automatic mode (full SW control). Provide temperature read +* back (latest value. Not waiting for new value). Use automatic +* SW DTS configuration. +* @DTS_REQUEST_READ: Request DTS read. Configure DTS with manual settings, +* trigger DTS reading and provide read back temperature read +* when available. +* @DTS_OVER_WRITE: over-write the DTS temperatures in the SW until next read +* @DTS_DIRECT_WITHOUT_MEASURE: DTS returns its latest temperature result, +* without measurement trigger. +*/ +enum iwl_dts_control_measurement_mode { + DTS_AUTOMATIC = 0, + DTS_REQUEST_READ = 1, + DTS_OVER_WRITE = 2, + DTS_DIRECT_WITHOUT_MEASURE = 3, +}; + +/** +* enum iwl_dts_used - DTS to use or used for measurement in the DTS request +* @DTS_USE_TOP: Top +* @DTS_USE_CHAIN_A: chain A +* @DTS_USE_CHAIN_B: chain B +* @DTS_USE_CHAIN_C: chain C +* @XTAL_TEMPERATURE - read temperature from xtal +*/ +enum iwl_dts_used { + DTS_USE_TOP = 0, + DTS_USE_CHAIN_A = 1, + DTS_USE_CHAIN_B = 2, + DTS_USE_CHAIN_C = 3, + XTAL_TEMPERATURE = 4, +}; + +/** +* enum iwl_dts_bit_mode - bit-mode to use in DTS request read mode +* @DTS_BIT6_MODE: bit 6 mode +* @DTS_BIT8_MODE: bit 8 mode +*/ +enum iwl_dts_bit_mode { + DTS_BIT6_MODE = 0, + DTS_BIT8_MODE = 1, +}; + +/** + * iwl_ext_dts_measurement_cmd - request extended DTS temperature measurements + * @control_mode: see &enum iwl_dts_control_measurement_mode + * @temperature: used when over write DTS mode is selected + * @sensor: set temperature sensor to use. See &enum iwl_dts_used + * @avg_factor: average factor to DTS in request DTS read mode + * @bit_mode: value defines the DTS bit mode to use. See &enum iwl_dts_bit_mode + * @step_duration: step duration for the DTS + */ +struct iwl_ext_dts_measurement_cmd { + __le32 control_mode; + __le32 temperature; + __le32 sensor; + __le32 avg_factor; + __le32 bit_mode; + __le32 step_duration; +} __packed; /* XVT_FW_DTS_CONTROL_MEASUREMENT_REQUEST_API_S */ + +/** * iwl_dts_measurement_notif - notification received with the measurements * * @temp: the measured temperature diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/fw.c b/kernel/drivers/net/wireless/iwlwifi/mvm/fw.c index df869633f..d906fa13b 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -106,6 +106,306 @@ static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant) sizeof(tx_ant_cmd), &tx_ant_cmd); } +static void iwl_free_fw_paging(struct iwl_mvm *mvm) +{ + int i; + + if (!mvm->fw_paging_db[0].fw_paging_block) + return; + + for (i = 0; i < NUM_OF_FW_PAGING_BLOCKS; i++) { + if (!mvm->fw_paging_db[i].fw_paging_block) { + IWL_DEBUG_FW(mvm, + "Paging: block %d already freed, continue to next page\n", + i); + + continue; + } + + __free_pages(mvm->fw_paging_db[i].fw_paging_block, + get_order(mvm->fw_paging_db[i].fw_paging_size)); + } + kfree(mvm->trans->paging_download_buf); + memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db)); +} + +static int iwl_fill_paging_mem(struct iwl_mvm *mvm, const struct fw_img *image) +{ + int sec_idx, idx; + u32 offset = 0; + + /* + * find where is the paging image start point: + * if CPU2 exist and it's in paging format, then the image looks like: + * CPU1 sections (2 or more) + * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between CPU1 to CPU2 + * CPU2 sections (not paged) + * PAGING_SEPARATOR_SECTION delimiter - separate between CPU2 + * non paged to CPU2 paging sec + * CPU2 paging CSS + * CPU2 paging image (including instruction and data) + */ + for (sec_idx = 0; sec_idx < IWL_UCODE_SECTION_MAX; sec_idx++) { + if (image->sec[sec_idx].offset == PAGING_SEPARATOR_SECTION) { + sec_idx++; + break; + } + } + + if (sec_idx >= IWL_UCODE_SECTION_MAX) { + IWL_ERR(mvm, "driver didn't find paging image\n"); + iwl_free_fw_paging(mvm); + return -EINVAL; + } + + /* copy the CSS block to the dram */ + IWL_DEBUG_FW(mvm, "Paging: load paging CSS to FW, sec = %d\n", + sec_idx); + + memcpy(page_address(mvm->fw_paging_db[0].fw_paging_block), + image->sec[sec_idx].data, + mvm->fw_paging_db[0].fw_paging_size); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d CSS bytes to first block\n", + mvm->fw_paging_db[0].fw_paging_size); + + sec_idx++; + + /* + * copy the paging blocks to the dram + * loop index start from 1 since that CSS block already copied to dram + * and CSS index is 0. + * loop stop at num_of_paging_blk since that last block is not full. + */ + for (idx = 1; idx < mvm->num_of_paging_blk; idx++) { + memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block), + image->sec[sec_idx].data + offset, + mvm->fw_paging_db[idx].fw_paging_size); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d paging bytes to block %d\n", + mvm->fw_paging_db[idx].fw_paging_size, + idx); + + offset += mvm->fw_paging_db[idx].fw_paging_size; + } + + /* copy the last paging block */ + if (mvm->num_of_pages_in_last_blk > 0) { + memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block), + image->sec[sec_idx].data + offset, + FW_PAGING_SIZE * mvm->num_of_pages_in_last_blk); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d pages in the last block %d\n", + mvm->num_of_pages_in_last_blk, idx); + } + + return 0; +} + +static int iwl_alloc_fw_paging_mem(struct iwl_mvm *mvm, + const struct fw_img *image) +{ + struct page *block; + dma_addr_t phys = 0; + int blk_idx = 0; + int order, num_of_pages; + int dma_enabled; + + if (mvm->fw_paging_db[0].fw_paging_block) + return 0; + + dma_enabled = is_device_dma_capable(mvm->trans->dev); + + /* ensure BLOCK_2_EXP_SIZE is power of 2 of PAGING_BLOCK_SIZE */ + BUILD_BUG_ON(BIT(BLOCK_2_EXP_SIZE) != PAGING_BLOCK_SIZE); + + num_of_pages = image->paging_mem_size / FW_PAGING_SIZE; + mvm->num_of_paging_blk = ((num_of_pages - 1) / + NUM_OF_PAGE_PER_GROUP) + 1; + + mvm->num_of_pages_in_last_blk = + num_of_pages - + NUM_OF_PAGE_PER_GROUP * (mvm->num_of_paging_blk - 1); + + IWL_DEBUG_FW(mvm, + "Paging: allocating mem for %d paging blocks, each block holds 8 pages, last block holds %d pages\n", + mvm->num_of_paging_blk, + mvm->num_of_pages_in_last_blk); + + /* allocate block of 4Kbytes for paging CSS */ + order = get_order(FW_PAGING_SIZE); + block = alloc_pages(GFP_KERNEL, order); + if (!block) { + /* free all the previous pages since we failed */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + + mvm->fw_paging_db[blk_idx].fw_paging_block = block; + mvm->fw_paging_db[blk_idx].fw_paging_size = FW_PAGING_SIZE; + + if (dma_enabled) { + phys = dma_map_page(mvm->trans->dev, block, 0, + PAGE_SIZE << order, DMA_BIDIRECTIONAL); + if (dma_mapping_error(mvm->trans->dev, phys)) { + /* + * free the previous pages and the current one since + * we failed to map_page. + */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + mvm->fw_paging_db[blk_idx].fw_paging_phys = phys; + } else { + mvm->fw_paging_db[blk_idx].fw_paging_phys = PAGING_ADDR_SIG | + blk_idx << BLOCK_2_EXP_SIZE; + } + + IWL_DEBUG_FW(mvm, + "Paging: allocated 4K(CSS) bytes (order %d) for firmware paging.\n", + order); + + /* + * allocate blocks in dram. + * since that CSS allocated in fw_paging_db[0] loop start from index 1 + */ + for (blk_idx = 1; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { + /* allocate block of PAGING_BLOCK_SIZE (32K) */ + order = get_order(PAGING_BLOCK_SIZE); + block = alloc_pages(GFP_KERNEL, order); + if (!block) { + /* free all the previous pages since we failed */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + + mvm->fw_paging_db[blk_idx].fw_paging_block = block; + mvm->fw_paging_db[blk_idx].fw_paging_size = PAGING_BLOCK_SIZE; + + if (dma_enabled) { + phys = dma_map_page(mvm->trans->dev, block, 0, + PAGE_SIZE << order, + DMA_BIDIRECTIONAL); + if (dma_mapping_error(mvm->trans->dev, phys)) { + /* + * free the previous pages and the current one + * since we failed to map_page. + */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + mvm->fw_paging_db[blk_idx].fw_paging_phys = phys; + } else { + mvm->fw_paging_db[blk_idx].fw_paging_phys = + PAGING_ADDR_SIG | + blk_idx << BLOCK_2_EXP_SIZE; + } + + IWL_DEBUG_FW(mvm, + "Paging: allocated 32K bytes (order %d) for firmware paging.\n", + order); + } + + return 0; +} + +static int iwl_save_fw_paging(struct iwl_mvm *mvm, + const struct fw_img *fw) +{ + int ret; + + ret = iwl_alloc_fw_paging_mem(mvm, fw); + if (ret) + return ret; + + return iwl_fill_paging_mem(mvm, fw); +} + +/* send paging cmd to FW in case CPU2 has paging image */ +static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw) +{ + int blk_idx; + __le32 dev_phy_addr; + struct iwl_fw_paging_cmd fw_paging_cmd = { + .flags = + cpu_to_le32(PAGING_CMD_IS_SECURED | + PAGING_CMD_IS_ENABLED | + (mvm->num_of_pages_in_last_blk << + PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS)), + .block_size = cpu_to_le32(BLOCK_2_EXP_SIZE), + .block_num = cpu_to_le32(mvm->num_of_paging_blk), + }; + + /* loop for for all paging blocks + CSS block */ + for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { + dev_phy_addr = + cpu_to_le32(mvm->fw_paging_db[blk_idx].fw_paging_phys >> + PAGE_2_EXP_SIZE); + fw_paging_cmd.device_phy_addr[blk_idx] = dev_phy_addr; + } + + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(FW_PAGING_BLOCK_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(fw_paging_cmd), &fw_paging_cmd); +} + +/* + * Send paging item cmd to FW in case CPU2 has paging image + */ +static int iwl_trans_get_paging_item(struct iwl_mvm *mvm) +{ + int ret; + struct iwl_fw_get_item_cmd fw_get_item_cmd = { + .item_id = cpu_to_le32(IWL_FW_ITEM_ID_PAGING), + }; + + struct iwl_fw_get_item_resp *item_resp; + struct iwl_host_cmd cmd = { + .id = iwl_cmd_id(FW_GET_ITEM_CMD, IWL_ALWAYS_LONG_GROUP, 0), + .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, + .data = { &fw_get_item_cmd, }, + }; + + cmd.len[0] = sizeof(struct iwl_fw_get_item_cmd); + + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) { + IWL_ERR(mvm, + "Paging: Failed to send FW_GET_ITEM_CMD cmd (err = %d)\n", + ret); + return ret; + } + + item_resp = (void *)((struct iwl_rx_packet *)cmd.resp_pkt)->data; + if (item_resp->item_id != cpu_to_le32(IWL_FW_ITEM_ID_PAGING)) { + IWL_ERR(mvm, + "Paging: got wrong item in FW_GET_ITEM_CMD resp (item_id = %u)\n", + le32_to_cpu(item_resp->item_id)); + ret = -EIO; + goto exit; + } + + mvm->trans->paging_download_buf = kzalloc(MAX_PAGING_IMAGE_SIZE, + GFP_KERNEL); + if (!mvm->trans->paging_download_buf) { + ret = -ENOMEM; + goto exit; + } + mvm->trans->paging_req_addr = le32_to_cpu(item_resp->item_val); + mvm->trans->paging_db = mvm->fw_paging_db; + IWL_DEBUG_FW(mvm, + "Paging: got paging request address (paging_req_addr 0x%08x)\n", + mvm->trans->paging_req_addr); + +exit: + iwl_free_resp(&cmd); + + return ret; +} + static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { @@ -213,7 +513,7 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, const struct fw_img *fw; int ret, i; enum iwl_ucode_type old_type = mvm->cur_ucode; - static const u8 alive_cmd[] = { MVM_ALIVE }; + static const u16 alive_cmd[] = { MVM_ALIVE }; struct iwl_sf_region st_fwrd_space; if (ucode_type == IWL_UCODE_REGULAR && @@ -244,6 +544,11 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, MVM_UCODE_ALIVE_TIMEOUT); if (ret) { + if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) + IWL_ERR(mvm, + "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", + iwl_read_prph(mvm->trans, SB_CPU_1_STATUS), + iwl_read_prph(mvm->trans, SB_CPU_2_STATUS)); mvm->cur_ucode = old_type; return ret; } @@ -269,6 +574,40 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); /* + * configure and operate fw paging mechanism. + * driver configures the paging flow only once, CPU2 paging image + * included in the IWL_UCODE_INIT image. + */ + if (fw->paging_mem_size) { + /* + * When dma is not enabled, the driver needs to copy / write + * the downloaded / uploaded page to / from the smem. + * This gets the location of the place were the pages are + * stored. + */ + if (!is_device_dma_capable(mvm->trans->dev)) { + ret = iwl_trans_get_paging_item(mvm); + if (ret) { + IWL_ERR(mvm, "failed to get FW paging item\n"); + return ret; + } + } + + ret = iwl_save_fw_paging(mvm, fw); + if (ret) { + IWL_ERR(mvm, "failed to save the FW paging image\n"); + return ret; + } + + ret = iwl_send_paging_cmd(mvm, fw); + if (ret) { + IWL_ERR(mvm, "failed to send the paging cmd\n"); + iwl_free_fw_paging(mvm); + return ret; + } + } + + /* * Note: all the queues are enabled as part of the interface * initialization, but in firmware restart scenarios they * could be stopped, so wake them up. In firmware restart, @@ -277,12 +616,8 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, * will be empty. */ - for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { - if (i < mvm->first_agg_queue && i != IWL_MVM_CMD_QUEUE) - mvm->queue_to_mac80211[i] = i; - else - mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; - } + memset(&mvm->queue_info, 0, sizeof(mvm->queue_info)); + mvm->queue_info[IWL_MVM_CMD_QUEUE].hw_queue_refcount = 1; for (i = 0; i < IEEE80211_MAX_QUEUES; i++) atomic_set(&mvm->mac80211_queue_stop_count[i], 0); @@ -314,7 +649,7 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) { struct iwl_notification_wait calib_wait; - static const u8 init_complete[] = { + static const u16 init_complete[] = { INIT_COMPLETE_NOTIF, CALIB_RES_NOTIF_PHY_DB }; @@ -364,7 +699,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) * abort after reading the nvm in case RF Kill is on, we will complete * the init seq later when RF kill will switch to off */ - if (iwl_mvm_is_radio_killed(mvm)) { + if (iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "jump over all phy activities due to RF kill\n"); iwl_remove_notification(&mvm->notif_wait, &calib_wait); @@ -397,7 +732,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, MVM_UCODE_CALIB_TIMEOUT); - if (ret && iwl_mvm_is_radio_killed(mvm)) { + if (ret && iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); ret = 1; } @@ -444,12 +779,6 @@ static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm) return; pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(mvm, "Bad return from SHARED_MEM_CFG (0x%08X)\n", - pkt->hdr.flags); - goto exit; - } - mem_cfg = (void *)pkt->data; mvm->shared_mem_cfg.shared_mem_addr = @@ -473,14 +802,18 @@ static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm) le32_to_cpu(mem_cfg->page_buff_size); IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n"); -exit: iwl_free_resp(&cmd); } int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, struct iwl_mvm_dump_desc *desc, - unsigned int delay) + struct iwl_fw_dbg_trigger_tlv *trigger) { + unsigned int delay = 0; + + if (trigger) + delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay)); + if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status)) return -EBUSY; @@ -491,6 +824,7 @@ int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, le32_to_cpu(desc->trig_desc.type)); mvm->fw_dump_desc = desc; + mvm->fw_dump_trig = trigger; queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay); @@ -498,7 +832,8 @@ int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, } int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, - const char *str, size_t len, unsigned int delay) + const char *str, size_t len, + struct iwl_fw_dbg_trigger_tlv *trigger) { struct iwl_mvm_dump_desc *desc; @@ -510,14 +845,13 @@ int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, desc->trig_desc.type = cpu_to_le32(trig); memcpy(desc->trig_desc.data, str, len); - return iwl_mvm_fw_dbg_collect_desc(mvm, desc, delay); + return iwl_mvm_fw_dbg_collect_desc(mvm, desc, trigger); } int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, struct iwl_fw_dbg_trigger_tlv *trigger, const char *fmt, ...) { - unsigned int delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay)); u16 occurrences = le16_to_cpu(trigger->occurrences); int ret, len = 0; char buf[64]; @@ -541,8 +875,9 @@ int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, len = strlen(buf) + 1; } - ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, - len, delay); + ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, len, + trigger); + if (ret) return ret; @@ -601,19 +936,6 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) return ret; } -static int iwl_mvm_config_ltr_v1(struct iwl_mvm *mvm) -{ - struct iwl_ltr_config_cmd_v1 cmd_v1 = { - .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), - }; - - if (!mvm->trans->ltr_enabled) - return 0; - - return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, - sizeof(cmd_v1), &cmd_v1); -} - static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) { struct iwl_ltr_config_cmd cmd = { @@ -623,9 +945,6 @@ static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) if (!mvm->trans->ltr_enabled) return 0; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_HDC_PHASE_0)) - return iwl_mvm_config_ltr_v1(mvm); - return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(cmd), &cmd); } @@ -662,9 +981,9 @@ int iwl_mvm_up(struct iwl_mvm *mvm) * device that are triggered by the INIT firwmare (MFUART). */ _iwl_trans_stop_device(mvm->trans, false); - _iwl_trans_start_hw(mvm->trans, false); + ret = _iwl_trans_start_hw(mvm->trans, false); if (ret) - return ret; + goto error; } if (iwlmvm_mod_params.init_dbg) @@ -676,8 +995,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) goto error; } - if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) - iwl_mvm_get_shared_mem_conf(mvm); + iwl_mvm_get_shared_mem_conf(mvm); ret = iwl_mvm_sf_update(mvm, NULL, false); if (ret) @@ -754,12 +1072,16 @@ int iwl_mvm_up(struct iwl_mvm *mvm) goto error; } - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) { + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { ret = iwl_mvm_config_scan(mvm); if (ret) goto error; } + if (iwl_mvm_is_csum_supported(mvm) && + mvm->cfg->features & NETIF_F_RXCSUM) + iwl_trans_write_prph(mvm->trans, RX_EN_CSUM, 0x3); + /* allow FW/transport low power modes if not during restart */ if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); @@ -815,9 +1137,8 @@ int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) return ret; } -int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; @@ -828,28 +1149,10 @@ int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, (flags & SW_CARD_DISABLED) ? "Kill" : "On", (flags & CT_KILL_CARD_DISABLED) ? "Reached" : "Not reached"); - - return 0; } -int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) -{ - struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_radio_version_notif *radio_version = (void *)pkt->data; - - /* TODO: what to do with that? */ - IWL_DEBUG_INFO(mvm, - "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n", - le32_to_cpu(radio_version->radio_flavor), - le32_to_cpu(radio_version->radio_step), - le32_to_cpu(radio_version->radio_dash)); - return 0; -} - -int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; @@ -860,5 +1163,4 @@ int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, le32_to_cpu(mfuart_notif->external_ver), le32_to_cpu(mfuart_notif->status), le32_to_cpu(mfuart_notif->duration)); - return 0; } diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/kernel/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 8088c7137..ad7ad720d 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -7,6 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -484,16 +486,18 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif) switch (vif->type) { case NL80211_IFTYPE_P2P_DEVICE: iwl_mvm_enable_ac_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE, - IWL_MVM_TX_FIFO_VO, wdg_timeout); + IWL_MVM_OFFCHANNEL_QUEUE, + IWL_MVM_TX_FIFO_VO, 0, wdg_timeout); break; case NL80211_IFTYPE_AP: - iwl_mvm_enable_ac_txq(mvm, vif->cab_queue, - IWL_MVM_TX_FIFO_MCAST, wdg_timeout); + iwl_mvm_enable_ac_txq(mvm, vif->cab_queue, vif->cab_queue, + IWL_MVM_TX_FIFO_MCAST, 0, wdg_timeout); /* fall through */ default: for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) iwl_mvm_enable_ac_txq(mvm, vif->hw_queue[ac], - iwl_mvm_ac_to_tx_fifo[ac], + vif->hw_queue[ac], + iwl_mvm_ac_to_tx_fifo[ac], 0, wdg_timeout); break; } @@ -509,14 +513,19 @@ void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif) switch (vif->type) { case NL80211_IFTYPE_P2P_DEVICE: - iwl_mvm_disable_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE, 0); + iwl_mvm_disable_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE, + IWL_MVM_OFFCHANNEL_QUEUE, IWL_MAX_TID_COUNT, + 0); break; case NL80211_IFTYPE_AP: - iwl_mvm_disable_txq(mvm, vif->cab_queue, 0); + iwl_mvm_disable_txq(mvm, vif->cab_queue, vif->cab_queue, + IWL_MAX_TID_COUNT, 0); /* fall through */ default: for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) - iwl_mvm_disable_txq(mvm, vif->hw_queue[ac], 0); + iwl_mvm_disable_txq(mvm, vif->hw_queue[ac], + vif->hw_queue[ac], + IWL_MAX_TID_COUNT, 0); } } @@ -834,6 +843,9 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm, ctxt_sta->listen_interval = cpu_to_le32(mvm->hw->conf.listen_interval); ctxt_sta->assoc_id = cpu_to_le32(vif->bss_conf.aid); + if (vif->probe_req_reg && vif->bss_conf.assoc && vif->p2p) + cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST); + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); } @@ -852,7 +864,7 @@ static int iwl_mvm_mac_ctxt_cmd_listener(struct iwl_mvm *mvm, MAC_FILTER_IN_BEACON | MAC_FILTER_IN_PROBE_REQUEST | MAC_FILTER_IN_CRC32); - mvm->hw->flags |= IEEE80211_HW_RX_INCLUDES_FCS; + ieee80211_hw_set(mvm->hw, RX_INCLUDES_FCS); return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); } @@ -1128,6 +1140,7 @@ static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm, struct ieee80211_vif *vif, u32 action) { + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mac_ctx_cmd cmd = {}; WARN_ON(vif->type != NL80211_IFTYPE_AP || vif->p2p); @@ -1137,10 +1150,16 @@ static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm, /* * pass probe requests and beacons from other APs (needed - * for ht protection) + * for ht protection); when there're no any associated station + * don't ask FW to pass beacons to prevent unnecessary wake-ups. */ - cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST | - MAC_FILTER_IN_BEACON); + cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST); + if (mvmvif->ap_assoc_sta_count) { + cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_BEACON); + IWL_DEBUG_HC(mvm, "Asking FW to pass beacons\n"); + } else { + IWL_DEBUG_HC(mvm, "No need to receive beacons\n"); + } /* Fill the data specific for ap mode */ iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.ap, @@ -1270,7 +1289,7 @@ int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif) mvmvif->uploaded = false; if (vif->type == NL80211_IFTYPE_MONITOR) - mvm->hw->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS; + __clear_bit(IEEE80211_HW_RX_INCLUDES_FCS, mvm->hw->flags); return 0; } @@ -1312,9 +1331,8 @@ static void iwl_mvm_csa_count_down(struct iwl_mvm *mvm, } } -int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_extended_beacon_notif *beacon = (void *)pkt->data; @@ -1365,8 +1383,6 @@ int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); } } - - return 0; } static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac, @@ -1415,9 +1431,8 @@ static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac, iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL); } -int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_missed_beacons_notif *mb = (void *)pkt->data; @@ -1434,5 +1449,4 @@ int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_beacon_loss_iterator, mb); - return 0; } diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/kernel/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 60c138a9b..e88afac51 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -80,7 +80,6 @@ #include "sta.h" #include "time-event.h" #include "iwl-eeprom-parse.h" -#include "fw-api-scan.h" #include "iwl-phy-db.h" #include "testmode.h" #include "iwl-fw-error-dump.h" @@ -319,7 +318,7 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); if (IS_ERR_OR_NULL(resp)) { IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", - PTR_RET(resp)); + PTR_ERR_OR_ZERO(resp)); goto out; } @@ -335,7 +334,7 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, kfree(resp); if (IS_ERR_OR_NULL(regd)) { IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", - PTR_RET(regd)); + PTR_ERR_OR_ZERO(regd)); goto out; } @@ -416,20 +415,27 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) { struct ieee80211_hw *hw = mvm->hw; int num_mac, ret, i; + static const u32 mvm_ciphers[] = { + WLAN_CIPHER_SUITE_WEP40, + WLAN_CIPHER_SUITE_WEP104, + WLAN_CIPHER_SUITE_TKIP, + WLAN_CIPHER_SUITE_CCMP, + }; /* Tell mac80211 our characteristics */ - hw->flags = IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_REPORTS_TX_ACK_STATUS | - IEEE80211_HW_QUEUE_CONTROL | - IEEE80211_HW_WANT_MONITOR_VIF | - IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_SUPPORTS_DYNAMIC_PS | - IEEE80211_HW_AMPDU_AGGREGATION | - IEEE80211_HW_TIMING_BEACON_ONLY | - IEEE80211_HW_CONNECTION_MONITOR | - IEEE80211_HW_CHANCTX_STA_CSA | - IEEE80211_HW_SUPPORTS_CLONED_SKBS; + ieee80211_hw_set(hw, SIGNAL_DBM); + ieee80211_hw_set(hw, SPECTRUM_MGMT); + ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, QUEUE_CONTROL); + ieee80211_hw_set(hw, WANT_MONITOR_VIF); + ieee80211_hw_set(hw, SUPPORTS_PS); + ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); + ieee80211_hw_set(hw, AMPDU_AGGREGATION); + ieee80211_hw_set(hw, TIMING_BEACON_ONLY); + ieee80211_hw_set(hw, CONNECTION_MONITOR); + ieee80211_hw_set(hw, CHANCTX_STA_CSA); + ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); + ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); hw->queues = mvm->first_agg_queue; hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; @@ -441,19 +447,38 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; + BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 2); + memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); + hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); + hw->wiphy->cipher_suites = mvm->ciphers; + /* * Enable 11w if advertised by firmware and software crypto * is not enabled (as the firmware will interpret some mgmt * packets, so enabling it with software crypto isn't safe) */ if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP && - !iwlwifi_mod_params.sw_crypto) - hw->flags |= IEEE80211_HW_MFP_CAPABLE; + !iwlwifi_mod_params.sw_crypto) { + ieee80211_hw_set(hw, MFP_CAPABLE); + mvm->ciphers[hw->wiphy->n_cipher_suites] = + WLAN_CIPHER_SUITE_AES_CMAC; + hw->wiphy->n_cipher_suites++; + } - hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS; + /* currently FW API supports only one optional cipher scheme */ + if (mvm->fw->cs[0].cipher) { + mvm->hw->n_cipher_schemes = 1; + mvm->hw->cipher_schemes = &mvm->fw->cs[0]; + mvm->ciphers[hw->wiphy->n_cipher_suites] = + mvm->fw->cs[0].cipher; + hw->wiphy->n_cipher_suites++; + } + + ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); hw->wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | - NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; + NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_ND_RANDOM_MAC_ADDR; hw->sta_data_size = sizeof(struct iwl_mvm_sta); hw->vif_data_size = sizeof(struct iwl_mvm_vif); @@ -506,10 +531,19 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) iwl_mvm_reset_phy_ctxts(mvm); - hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm, false); + hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; + BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); + BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || + IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); + + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) + mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; + else + mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; + if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels) hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ]; @@ -517,10 +551,10 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ]; - if ((mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_BEAMFORMER) && - (mvm->fw->ucode_capa.api[0] & - IWL_UCODE_TLV_API_LQ_SS_PARAMS)) + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_BEAMFORMER) && + fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_LQ_SS_PARAMS)) hw->wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; } @@ -532,14 +566,20 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) else hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; - if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) { - hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; - hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; - hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; - /* we create the 802.11 header and zero length SSID IE. */ - hw->wiphy->max_sched_scan_ie_len = - SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; - } + hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; + hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; + hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; + /* we create the 802.11 header and zero length SSID IE. */ + hw->wiphy->max_sched_scan_ie_len = + SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; + hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; + hw->wiphy->max_sched_scan_plan_interval = U16_MAX; + + /* + * the firmware uses u8 for num of iterations, but 0xff is saved for + * infinite loop, so the maximum number of iterations is actually 254. + */ + hw->wiphy->max_sched_scan_plan_iterations = 254; hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | NL80211_FEATURE_LOW_PRIORITY_SCAN | @@ -548,30 +588,24 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) NL80211_FEATURE_STATIC_SMPS | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; - if (mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT) + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; - if (mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT) + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) hw->wiphy->features |= NL80211_FEATURE_QUIET; - if (mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT) + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) hw->wiphy->features |= NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; - if (mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT) + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; - /* currently FW API supports only one optional cipher scheme */ - if (mvm->fw->cs[0].cipher) { - mvm->hw->n_cipher_schemes = 1; - mvm->hw->cipher_schemes = &mvm->fw->cs[0]; - } - #ifdef CONFIG_PM_SLEEP if (iwl_mvm_is_d0i3_supported(mvm) && device_can_wakeup(mvm->trans->dev)) { @@ -611,17 +645,23 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) if (ret) return ret; - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_TDLS_SUPPORT) { + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; + ieee80211_hw_set(hw, TDLS_WIDER_BW); } - if (mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH) { + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; } + hw->netdev_features |= mvm->cfg->features; + if (!iwl_mvm_is_csum_supported(mvm)) + hw->netdev_features &= ~NETIF_F_RXCSUM; + ret = ieee80211_register_hw(mvm->hw); if (ret) iwl_mvm_leds_exit(mvm); @@ -730,11 +770,65 @@ static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg) return true; } +#define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ + do { \ + if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ + break; \ + iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \ + } while (0) + +static void +iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, + enum ieee80211_ampdu_mlme_action action) +{ + struct iwl_fw_dbg_trigger_tlv *trig; + struct iwl_fw_dbg_trigger_ba *ba_trig; + + if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) + return; + + trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); + ba_trig = (void *)trig->data; + + if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) + return; + + switch (action) { + case IEEE80211_AMPDU_TX_OPERATIONAL: { + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; + + CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, + "TX AGG START: MAC %pM tid %d ssn %d\n", + sta->addr, tid, tid_data->ssn); + break; + } + case IEEE80211_AMPDU_TX_STOP_CONT: + CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, + "TX AGG STOP: MAC %pM tid %d\n", + sta->addr, tid); + break; + case IEEE80211_AMPDU_RX_START: + CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, + "RX AGG START: MAC %pM tid %d ssn %d\n", + sta->addr, tid, rx_ba_ssn); + break; + case IEEE80211_AMPDU_RX_STOP: + CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, + "RX AGG STOP: MAC %pM tid %d\n", + sta->addr, tid); + break; + default: + break; + } +} + static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum ieee80211_ampdu_mlme_action action, struct ieee80211_sta *sta, u16 tid, - u16 *ssn, u8 buf_size) + u16 *ssn, u8 buf_size, bool amsdu) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; @@ -806,6 +900,16 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, ret = -EINVAL; break; } + + if (!ret) { + u16 rx_ba_ssn = 0; + + if (action == IEEE80211_AMPDU_RX_START) + rx_ba_ssn = *ssn; + + iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, + rx_ba_ssn, action); + } mutex_unlock(&mvm->mutex); /* @@ -1029,9 +1133,20 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) u32 file_len, fifo_data_len = 0; u32 smem_len = mvm->cfg->smem_len; u32 sram2_len = mvm->cfg->dccm2_len; + bool monitor_dump_only = false; lockdep_assert_held(&mvm->mutex); + /* there's no point in fw dump if the bus is dead */ + if (test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { + IWL_ERR(mvm, "Skip fw error dump since bus is dead\n"); + return; + } + + if (mvm->fw_dump_trig && + mvm->fw_dump_trig->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY) + monitor_dump_only = true; + fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); if (!fw_error_dump) return; @@ -1083,6 +1198,27 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) fifo_data_len + sizeof(*dump_info); + /* Make room for the SMEM, if it exists */ + if (smem_len) + file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len; + + /* Make room for the secondary SRAM, if it exists */ + if (sram2_len) + file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; + + /* Make room for fw's virtual image pages, if it exists */ + if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) + file_len += mvm->num_of_paging_blk * + (sizeof(*dump_data) + + sizeof(struct iwl_fw_error_dump_paging) + + PAGING_BLOCK_SIZE); + + /* If we only want a monitor dump, reset the file length */ + if (monitor_dump_only) { + file_len = sizeof(*dump_file) + sizeof(*dump_data) + + sizeof(*dump_info); + } + /* * In 8000 HW family B-step include the ICCM (which resides separately) */ @@ -1095,14 +1231,6 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) file_len += sizeof(*dump_data) + sizeof(*dump_trig) + mvm->fw_dump_desc->len; - /* Make room for the SMEM, if it exists */ - if (smem_len) - file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len; - - /* Make room for the secondary SRAM, if it exists */ - if (sram2_len) - file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; - dump_file = vzalloc(file_len); if (!dump_file) { kfree(fw_error_dump); @@ -1148,6 +1276,10 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) dump_data = iwl_fw_error_next_data(dump_data); } + /* In case we only want monitor dump, skip to dump trasport data */ + if (monitor_dump_only) + goto dump_trans_data; + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem)); dump_mem = (void *)dump_data->data; @@ -1191,7 +1323,29 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) dump_mem->data, IWL8260_ICCM_LEN); } - fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans); + /* Dump fw's virtual image */ + if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) { + u32 i; + + for (i = 1; i < mvm->num_of_paging_blk + 1; i++) { + struct iwl_fw_error_dump_paging *paging; + struct page *pages = + mvm->fw_paging_db[i].fw_paging_block; + + dump_data = iwl_fw_error_next_data(dump_data); + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PAGING); + dump_data->len = cpu_to_le32(sizeof(*paging) + + PAGING_BLOCK_SIZE); + paging = (void *)dump_data->data; + paging->index = cpu_to_le32(i); + memcpy(paging->data, page_address(pages), + PAGING_BLOCK_SIZE); + } + } + +dump_trans_data: + fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans, + mvm->fw_dump_trig); fw_error_dump->op_mode_len = file_len; if (fw_error_dump->trans_ptr) file_len += fw_error_dump->trans_ptr->len; @@ -1200,6 +1354,7 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0, GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump); + mvm->fw_dump_trig = NULL; clear_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status); } @@ -1227,22 +1382,23 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) iwl_trans_stop_device(mvm->trans); - mvm->scan_status = IWL_MVM_SCAN_NONE; + mvm->scan_status = 0; mvm->ps_disabled = false; mvm->calibrating = false; /* just in case one was running */ ieee80211_remain_on_channel_expired(mvm->hw); - ieee80211_iterate_active_interfaces_atomic( - mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL, - iwl_mvm_cleanup_iterator, mvm); + /* + * cleanup all interfaces, even inactive ones, as some might have + * gone down during the HW restart + */ + ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); mvm->p2p_device_vif = NULL; mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; iwl_mvm_reset_phy_ctxts(mvm); - memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained)); memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained)); memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); @@ -1341,22 +1497,9 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) { - bool exit_now; - if (!iwl_mvm_is_d0i3_supported(mvm)) return; - mutex_lock(&mvm->d0i3_suspend_mutex); - __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); - exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP, - &mvm->d0i3_suspend_flags); - mutex_unlock(&mvm->d0i3_suspend_mutex); - - if (exit_now) { - IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n"); - _iwl_mvm_exit_d0i3(mvm); - } - if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) if (!wait_event_timeout(mvm->d0i3_exit_waitq, !test_bit(IWL_MVM_STATUS_IN_D0I3, @@ -1417,20 +1560,24 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) /* * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete() * won't be called in this case). + * But make sure to cleanup interfaces that have gone down before/during + * HW restart was requested. */ - clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); + if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + ieee80211_iterate_interfaces(mvm->hw, 0, + iwl_mvm_cleanup_iterator, mvm); /* We shouldn't have any UIDs still set. Loop over all the UIDs to * make sure there's nothing left there and warn if any is found. */ - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) { + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { int i; - for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) { - if (WARN_ONCE(mvm->scan_uid[i], - "UMAC scan UID %d was not cleaned\n", - mvm->scan_uid[i])) - mvm->scan_uid[i] = 0; + for (i = 0; i < mvm->max_scans; i++) { + if (WARN_ONCE(mvm->scan_uid_status[i], + "UMAC scan UID %d status was not cleaned\n", + i)) + mvm->scan_uid_status[i] = 0; } } @@ -1471,38 +1618,24 @@ static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) return NULL; } -static int iwl_mvm_set_tx_power_old(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, s8 tx_power) -{ - /* FW is in charge of regulatory enforcement */ - struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = { - .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id, - .pwr_restriction = cpu_to_le16(tx_power), - }; - - return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, - sizeof(reduce_txpwr_cmd), - &reduce_txpwr_cmd); -} - static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, s16 tx_power) { struct iwl_dev_tx_power_cmd cmd = { - .set_mode = 0, - .mac_context_id = + .v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), + .v2.mac_context_id = cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), - .pwr_restriction = cpu_to_le16(8 * tx_power), + .v2.pwr_restriction = cpu_to_le16(8 * tx_power), }; - - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_TX_POWER_DEV)) - return iwl_mvm_set_tx_power_old(mvm, vif, tx_power); + int len = sizeof(cmd); if (tx_power == IWL_DEFAULT_MAX_TX_POWER) - cmd.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); + cmd.v2.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); - return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, - sizeof(cmd), &cmd); + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_CHAIN)) + len = sizeof(cmd.v2); + + return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); } static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, @@ -1568,6 +1701,8 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, goto out_unlock; } + mvmvif->features |= hw->netdev_features; + ret = iwl_mvm_mac_ctxt_add(mvm, vif); if (ret) goto out_release; @@ -1660,7 +1795,7 @@ static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, * Flush them here. */ mutex_lock(&mvm->mutex); - iwl_mvm_flush_tx_path(mvm, tfd_msk, true); + iwl_mvm_flush_tx_path(mvm, tfd_msk, 0); mutex_unlock(&mvm->mutex); /* @@ -1861,6 +1996,27 @@ out: *total_flags = 0; } +static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + unsigned int filter_flags, + unsigned int changed_flags) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + /* We support only filter for probe requests */ + if (!(changed_flags & FIF_PROBE_REQ)) + return; + + /* Supported only for p2p client interfaces */ + if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || + !vif->p2p) + return; + + mutex_lock(&mvm->mutex); + iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); + mutex_unlock(&mvm->mutex); +} + #ifdef CONFIG_IWLWIFI_BCAST_FILTERING struct iwl_bcast_iter_data { struct iwl_mvm *mvm; @@ -2208,6 +2364,8 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, if (vif->type == NL80211_IFTYPE_AP) iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); + mvmvif->ap_assoc_sta_count = 0; + /* Add the mac context */ ret = iwl_mvm_mac_ctxt_add(mvm, vif); if (ret) @@ -2277,6 +2435,7 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); RCU_INIT_POINTER(mvm->csa_vif, NULL); + mvmvif->csa_countdown = false; } if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { @@ -2354,7 +2513,7 @@ static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) - iwl_mvm_scan_offload_stop(mvm, true); + iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); switch (vif->type) { case NL80211_IFTYPE_STATION: @@ -2373,89 +2532,21 @@ static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); } -static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm, - enum iwl_scan_status scan_type) -{ - int ret; - bool wait_for_handlers = false; - - mutex_lock(&mvm->mutex); - - if (mvm->scan_status != scan_type) { - ret = 0; - /* make sure there are no pending notifications */ - wait_for_handlers = true; - goto out; - } - - switch (scan_type) { - case IWL_MVM_SCAN_SCHED: - ret = iwl_mvm_scan_offload_stop(mvm, true); - break; - case IWL_MVM_SCAN_OS: - ret = iwl_mvm_cancel_scan(mvm); - break; - case IWL_MVM_SCAN_NONE: - default: - WARN_ON_ONCE(1); - ret = -EINVAL; - break; - } - if (ret) - goto out; - - wait_for_handlers = true; -out: - mutex_unlock(&mvm->mutex); - - /* make sure we consume the completion notification */ - if (wait_for_handlers) - iwl_mvm_wait_for_async_handlers(mvm); - - return ret; -} static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_scan_request *hw_req) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - struct cfg80211_scan_request *req = &hw_req->req; int ret; - if (req->n_channels == 0 || - req->n_channels > mvm->fw->ucode_capa.n_scan_channels) + if (hw_req->req.n_channels == 0 || + hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) return -EINVAL; - if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { - ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED); - if (ret) - return ret; - } - mutex_lock(&mvm->mutex); - - if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) { - IWL_ERR(mvm, "scan while LAR regdomain is not set\n"); - ret = -EBUSY; - goto out; - } - - if (mvm->scan_status != IWL_MVM_SCAN_NONE) { - ret = -EBUSY; - goto out; - } - - iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN); - - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) - ret = iwl_mvm_scan_umac(mvm, vif, hw_req); - else - ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req); - - if (ret) - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); -out: + ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); mutex_unlock(&mvm->mutex); + return ret; } @@ -2473,12 +2564,8 @@ static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, * cancel scan scan before ieee80211_scan_work() could run. * To handle that, simply return if the scan is not running. */ - /* FIXME: for now, we ignore this race for UMAC scans, since - * they don't set the scan_status. - */ - if ((mvm->scan_status == IWL_MVM_SCAN_OS) || - (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) - iwl_mvm_cancel_scan(mvm); + if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) + iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); mutex_unlock(&mvm->mutex); } @@ -2574,6 +2661,7 @@ static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, struct ieee80211_sta *sta) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); /* @@ -2588,6 +2676,12 @@ static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], ERR_PTR(-ENOENT)); + + if (mvm_sta->vif->type == NL80211_IFTYPE_AP) { + mvmvif->ap_assoc_sta_count--; + iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); + } + mutex_unlock(&mvm->mutex); } @@ -2794,35 +2888,17 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, struct ieee80211_scan_ies *ies) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - int ret; - if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { - ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS); - if (ret) - return ret; - } + int ret; mutex_lock(&mvm->mutex); - if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) { - IWL_ERR(mvm, "sched-scan while LAR regdomain is not set\n"); - ret = -EBUSY; - goto out; - } - if (!vif->bss_conf.idle) { ret = -EBUSY; goto out; } - if (mvm->scan_status != IWL_MVM_SCAN_NONE) { - ret = -EBUSY; - goto out; - } - - ret = iwl_mvm_scan_offload_start(mvm, vif, req, ies); - if (ret) - mvm->scan_status = IWL_MVM_SCAN_NONE; + ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); out: mutex_unlock(&mvm->mutex); @@ -2845,16 +2921,12 @@ static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, * could run. To handle this, simply return if the scan is * not running. */ - /* FIXME: for now, we ignore this race for UMAC scans, since - * they don't set the scan_status. - */ - if (mvm->scan_status != IWL_MVM_SCAN_SCHED && - !(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { + if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { mutex_unlock(&mvm->mutex); return 0; } - ret = iwl_mvm_scan_offload_stop(mvm, false); + ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); mutex_unlock(&mvm->mutex); iwl_mvm_wait_for_async_handlers(mvm); @@ -2869,6 +2941,7 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; + u8 key_offset; if (iwlwifi_mod_params.sw_crypto) { IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); @@ -2878,12 +2951,13 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, switch (key->cipher) { case WLAN_CIPHER_SUITE_TKIP: key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; - /* fall-through */ - case WLAN_CIPHER_SUITE_CCMP: key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; break; + case WLAN_CIPHER_SUITE_CCMP: + key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; + break; case WLAN_CIPHER_SUITE_AES_CMAC: - WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE)); + WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); break; case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: @@ -2922,8 +2996,25 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, break; } + /* During FW restart, in order to restore the state as it was, + * don't try to reprogram keys we previously failed for. + */ + if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && + key->hw_key_idx == STA_KEY_IDX_INVALID) { + IWL_DEBUG_MAC80211(mvm, + "skip invalid idx key programming during restart\n"); + ret = 0; + break; + } + + /* in HW restart reuse the index, otherwise request a new one */ + if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + key_offset = key->hw_key_idx; + else + key_offset = STA_KEY_IDX_INVALID; + IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); - ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false); + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); if (ret) { IWL_WARN(mvm, "set key failed\n"); /* @@ -3001,7 +3092,7 @@ static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, return true; } -#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000 +#define AUX_ROC_MAX_DELAY_ON_CHANNEL 200 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, struct ieee80211_channel *channel, struct ieee80211_vif *vif, @@ -3010,7 +3101,7 @@ static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, int res, time_reg = DEVICE_SYSTEM_TIME_REG; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; - static const u8 time_event_response[] = { HOT_SPOT_CMD }; + static const u16 time_event_response[] = { HOT_SPOT_CMD }; struct iwl_notification_wait wait_time_event; struct iwl_hs20_roc_req aux_roc_req = { .action = cpu_to_le32(FW_CTXT_ACTION_ADD), @@ -3106,8 +3197,8 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw, switch (vif->type) { case NL80211_IFTYPE_STATION: - if (mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT) { + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { /* Use aux roc framework (HS20) */ ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); @@ -3874,7 +3965,7 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, } if (drop) { - if (iwl_mvm_flush_tx_path(mvm, msk, true)) + if (iwl_mvm_flush_tx_path(mvm, msk, 0)) IWL_ERR(mvm, "flush request fail\n"); mutex_unlock(&mvm->mutex); } else { @@ -3899,7 +3990,7 @@ static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, if (idx != 0) return -ENOENT; - if (!(mvm->fw->ucode_capa.capa[0] & + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) return -ENOENT; @@ -3946,8 +4037,8 @@ static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - if (!(mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) return; /* if beacon filtering isn't on mac80211 does it anyway */ @@ -3977,9 +4068,9 @@ static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, mutex_unlock(&mvm->mutex); } -static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - const struct ieee80211_event *event) +static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + const struct ieee80211_event *event) { #define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \ do { \ @@ -3988,7 +4079,6 @@ static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\ } while (0) - struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); struct iwl_fw_dbg_trigger_tlv *trig; struct iwl_fw_dbg_trigger_mlme *trig_mlme; @@ -4032,6 +4122,75 @@ static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, #undef CHECK_MLME_TRIGGER } +static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + const struct ieee80211_event *event) +{ + struct iwl_fw_dbg_trigger_tlv *trig; + struct iwl_fw_dbg_trigger_ba *ba_trig; + + if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) + return; + + trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); + ba_trig = (void *)trig->data; + if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) + return; + + if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) + return; + + iwl_mvm_fw_dbg_collect_trig(mvm, trig, + "BAR received from %pM, tid %d, ssn %d", + event->u.ba.sta->addr, event->u.ba.tid, + event->u.ba.ssn); +} + +static void +iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + const struct ieee80211_event *event) +{ + struct iwl_fw_dbg_trigger_tlv *trig; + struct iwl_fw_dbg_trigger_ba *ba_trig; + + if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) + return; + + trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); + ba_trig = (void *)trig->data; + if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig)) + return; + + if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid))) + return; + + iwl_mvm_fw_dbg_collect_trig(mvm, trig, + "Frame from %pM timed out, tid %d", + event->u.ba.sta->addr, event->u.ba.tid); +} + +static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + const struct ieee80211_event *event) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + switch (event->type) { + case MLME_EVENT: + iwl_mvm_event_mlme_callback(mvm, vif, event); + break; + case BAR_RX_EVENT: + iwl_mvm_event_bar_rx_callback(mvm, vif, event); + break; + case BA_FRAME_TIMEOUT: + iwl_mvm_event_frame_timeout_callback(mvm, vif, event); + break; + default: + break; + } +} + const struct ieee80211_ops iwl_mvm_hw_ops = { .tx = iwl_mvm_mac_tx, .ampdu_action = iwl_mvm_mac_ampdu_action, @@ -4043,6 +4202,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = { .config = iwl_mvm_mac_config, .prepare_multicast = iwl_mvm_prepare_multicast, .configure_filter = iwl_mvm_configure_filter, + .config_iface_filter = iwl_mvm_config_iface_filter, .bss_info_changed = iwl_mvm_bss_info_changed, .hw_scan = iwl_mvm_mac_hw_scan, .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/mvm.h b/kernel/drivers/net/wireless/iwlwifi/mvm/mvm.h index 6af21daaa..4bde2d027 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -76,11 +76,12 @@ #include "iwl-notif-wait.h" #include "iwl-eeprom-parse.h" #include "iwl-fw-file.h" +#include "iwl-config.h" #include "sta.h" #include "fw-api.h" #include "constants.h" +#include "tof.h" -#define IWL_INVALID_MAC80211_QUEUE 0xff #define IWL_MVM_MAX_ADDRESSES 5 /* RSSI offset for WkP */ #define IWL_RSSI_OFFSET 50 @@ -121,8 +122,7 @@ extern const struct ieee80211_ops iwl_mvm_hw_ops; * be up'ed after the INIT fw asserted. This is useful to be able to use * proprietary tools over testmode to debug the INIT fw. * @tfd_q_hang_detect: enabled the detection of hung transmit queues - * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power - * Save)-2(default), LP(Low Power)-3 + * @power_scheme: one of enum iwl_power_scheme */ struct iwl_mvm_mod_params { bool init_dbg; @@ -322,11 +322,11 @@ enum iwl_bt_force_ant_mode { struct iwl_mvm_vif_bf_data { bool bf_enabled; bool ba_enabled; - s8 ave_beacon_signal; - s8 last_cqm_event; - s8 bt_coex_min_thold; - s8 bt_coex_max_thold; - s8 last_bt_coex_event; + int ave_beacon_signal; + int last_cqm_event; + int bt_coex_min_thold; + int bt_coex_max_thold; + int last_bt_coex_event; }; /** @@ -337,6 +337,8 @@ struct iwl_mvm_vif_bf_data { * @bssid: BSSID for this (client) interface * @associated: indicates that we're currently associated, used only for * managing the firmware state in iwl_mvm_bss_info_changed_station() + * @ap_assoc_sta_count: count of stations associated to us - valid only + * if VIF type is AP * @uploaded: indicates the MAC context has been added to the device * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface * should get quota etc. @@ -356,6 +358,7 @@ struct iwl_mvm_vif_bf_data { * # of received beacons accumulated over FW restart, and the current * average signal of beacons retrieved from the firmware * @csa_failed: CSA failed to schedule time event, report an error later + * @features: hw features active for this vif */ struct iwl_mvm_vif { struct iwl_mvm *mvm; @@ -365,6 +368,7 @@ struct iwl_mvm_vif { u8 bssid[ETH_ALEN]; bool associated; + u8 ap_assoc_sta_count; bool uploaded; bool ap_ibss_active; @@ -436,6 +440,9 @@ struct iwl_mvm_vif { /* Indicates that CSA countdown may be started */ bool csa_countdown; bool csa_failed; + + /* TCP Checksum Offload */ + netdev_features_t features; }; static inline struct iwl_mvm_vif * @@ -446,10 +453,26 @@ iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) extern const u8 tid_to_mac80211_ac[]; +#define IWL_MVM_SCAN_STOPPING_SHIFT 8 + enum iwl_scan_status { - IWL_MVM_SCAN_NONE, - IWL_MVM_SCAN_OS, - IWL_MVM_SCAN_SCHED, + IWL_MVM_SCAN_REGULAR = BIT(0), + IWL_MVM_SCAN_SCHED = BIT(1), + IWL_MVM_SCAN_NETDETECT = BIT(2), + + IWL_MVM_SCAN_STOPPING_REGULAR = BIT(8), + IWL_MVM_SCAN_STOPPING_SCHED = BIT(9), + IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10), + + IWL_MVM_SCAN_REGULAR_MASK = IWL_MVM_SCAN_REGULAR | + IWL_MVM_SCAN_STOPPING_REGULAR, + IWL_MVM_SCAN_SCHED_MASK = IWL_MVM_SCAN_SCHED | + IWL_MVM_SCAN_STOPPING_SCHED, + IWL_MVM_SCAN_NETDETECT_MASK = IWL_MVM_SCAN_NETDETECT | + IWL_MVM_SCAN_STOPPING_NETDETECT, + + IWL_MVM_SCAN_STOPPING_MASK = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT, + IWL_MVM_SCAN_MASK = 0xff, }; /** @@ -464,49 +487,6 @@ struct iwl_nvm_section { const u8 *data; }; -/* - * Tx-backoff threshold - * @temperature: The threshold in Celsius - * @backoff: The tx-backoff in uSec - */ -struct iwl_tt_tx_backoff { - s32 temperature; - u32 backoff; -}; - -#define TT_TX_BACKOFF_SIZE 6 - -/** - * struct iwl_tt_params - thermal throttling parameters - * @ct_kill_entry: CT Kill entry threshold - * @ct_kill_exit: CT Kill exit threshold - * @ct_kill_duration: The time intervals (in uSec) in which the driver needs - * to checks whether to exit CT Kill. - * @dynamic_smps_entry: Dynamic SMPS entry threshold - * @dynamic_smps_exit: Dynamic SMPS exit threshold - * @tx_protection_entry: TX protection entry threshold - * @tx_protection_exit: TX protection exit threshold - * @tx_backoff: Array of thresholds for tx-backoff , in ascending order. - * @support_ct_kill: Support CT Kill? - * @support_dynamic_smps: Support dynamic SMPS? - * @support_tx_protection: Support tx protection? - * @support_tx_backoff: Support tx-backoff? - */ -struct iwl_tt_params { - s32 ct_kill_entry; - s32 ct_kill_exit; - u32 ct_kill_duration; - s32 dynamic_smps_entry; - s32 dynamic_smps_exit; - s32 tx_protection_entry; - s32 tx_protection_exit; - struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE]; - bool support_ct_kill; - bool support_dynamic_smps; - bool support_tx_protection; - bool support_tx_backoff; -}; - /** * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure * @ct_kill_exit: worker to exit thermal kill @@ -521,7 +501,7 @@ struct iwl_mvm_tt_mgmt { bool dynamic_smps; u32 tx_backoff; u32 min_backoff; - const struct iwl_tt_params *params; + struct iwl_tt_params params; bool throttle; }; @@ -624,7 +604,14 @@ struct iwl_mvm { u64 on_time_scan; } radio_stats, accu_radio_stats; - u8 queue_to_mac80211[IWL_MAX_HW_QUEUES]; + struct { + /* Map to HW queue */ + u32 hw_queue_to_mac80211; + u8 hw_queue_refcount; + bool setup_reserved; + u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */ + } queue_info[IWL_MAX_HW_QUEUES]; + spinlock_t queue_info_lock; /* For syncing queue mgmt operations */ atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES]; const char *nvm_file_name; @@ -632,6 +619,11 @@ struct iwl_mvm { /* NVM sections */ struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS]; + /* Paging section */ + struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS]; + u16 num_of_paging_blk; + u16 num_of_pages_in_last_blk; + /* EEPROM MAC addresses */ struct mac_address addresses[IWL_MVM_MAX_ADDRESSES]; @@ -648,13 +640,15 @@ struct iwl_mvm { u32 rts_threshold; /* Scan status, cmd (pre-allocated) and auxiliary station */ - enum iwl_scan_status scan_status; + unsigned int scan_status; void *scan_cmd; struct iwl_mcast_filter_cmd *mcast_filter_cmd; + /* max number of simultaneous scans the FW supports */ + unsigned int max_scans; + /* UMAC scan tracking */ - u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS]; - u8 scan_seq_num, sched_scan_seq_num; + u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS]; /* rx chain antennas set through debugfs for the scan command */ u8 scan_rx_ant; @@ -664,7 +658,7 @@ struct iwl_mvm { const struct iwl_fw_bcast_filter *bcast_filters; #ifdef CONFIG_IWLWIFI_DEBUGFS struct { - u32 override; /* u32 for debugfs_create_bool */ + bool override; struct iwl_bcast_filter_cmd cmd; } dbgfs_bcast_filtering; #endif @@ -688,12 +682,13 @@ struct iwl_mvm { bool disable_power_off; bool disable_power_off_d3; - u32 scan_iter_notif_enabled; /* must be u32 for debugfs_create_bool */ + bool scan_iter_notif_enabled; struct debugfs_blob_wrapper nvm_hw_blob; struct debugfs_blob_wrapper nvm_sw_blob; struct debugfs_blob_wrapper nvm_calib_blob; struct debugfs_blob_wrapper nvm_prod_blob; + struct debugfs_blob_wrapper nvm_phy_sku_blob; struct iwl_mvm_frame_stats drv_rx_stats; spinlock_t drv_stats_lock; @@ -710,6 +705,7 @@ struct iwl_mvm { * can hold 16 keys at most. Reflect this fact. */ unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; + u8 fw_key_deleted[STA_KEY_MAX_NUM]; /* references taken by the driver and spinlock protecting them */ spinlock_t refs_lock; @@ -722,6 +718,7 @@ struct iwl_mvm { u8 fw_dbg_conf; struct delayed_work fw_dump_wk; struct iwl_mvm_dump_desc *fw_dump_desc; + struct iwl_fw_dbg_trigger_tlv *fw_dump_trig; #ifdef CONFIG_IWLWIFI_LEDS struct led_classdev led; @@ -742,7 +739,7 @@ struct iwl_mvm { int n_nd_channels; bool net_detect; #ifdef CONFIG_IWLWIFI_DEBUGFS - u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */ + bool d3_wake_sysassert; bool d3_test_active; bool store_d3_resume_sram; void *d3_resume_sram; @@ -844,6 +841,9 @@ struct iwl_mvm { } tdls_cs; struct iwl_mvm_shared_mem_cfg shared_mem_cfg; + + u32 ciphers[6]; + struct iwl_mvm_tof_data tof_data; }; /* Extract MVM priv from op_mode and _hw */ @@ -870,6 +870,11 @@ static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); } +static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) +{ + return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); +} + /* Must be called with rcu_read_lock() held and it can only be * released when mvmsta is not needed anymore. */ @@ -913,14 +918,21 @@ static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) return mvm->trans->cfg->d0i3 && mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF && !iwlwifi_mod_params.d0i3_disable && - (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); + fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); +} + +static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm) +{ + return fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_DQA_SUPPORT); } static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) { bool nvm_lar = mvm->nvm_data->lar_enabled; - bool tlv_lar = mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_LAR_SUPPORT; + bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_LAR_SUPPORT); if (iwlwifi_mod_params.lar_disable) return false; @@ -937,27 +949,38 @@ static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm) { - return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_WIFI_MCC_UPDATE || - mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC; -} - -static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm) -{ - return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG; + return fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) || + fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC); } static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm) { - return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) && + return fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) && IWL_MVM_BT_COEX_CORUNNING; } static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm) { - return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_RRC) && + return fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_BT_COEX_RRC) && IWL_MVM_BT_COEX_RRC; } +static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm) +{ + return fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CSUM_SUPPORT); +} + +static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm) +{ + /* firmware flag isn't defined yet */ + return false; +} + extern const u8 iwl_mvm_ac_to_tx_fifo[]; struct iwl_rate_info { @@ -991,12 +1014,12 @@ u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); /* Tx / Host Commands */ int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd); -int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id, +int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, u32 flags, u16 len, const void *data); int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, u32 *status); -int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id, +int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len, const void *data, u32 *status); int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, @@ -1005,10 +1028,6 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, struct iwl_tx_cmd *tx_cmd, struct ieee80211_tx_info *info, u8 sta_id); -void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, - struct ieee80211_tx_info *info, - struct iwl_tx_cmd *tx_cmd, - struct sk_buff *skb_frag); void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, struct ieee80211_tx_info *info, struct ieee80211_sta *sta, __le16 fc); @@ -1017,9 +1036,20 @@ const char *iwl_mvm_get_tx_fail_reason(u32 status); #else static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } #endif -int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync); +int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags); void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); +static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info, + struct iwl_tx_cmd *tx_cmd) +{ + struct ieee80211_key_conf *keyconf = info->control.hw_key; + + tx_cmd->sec_ctl = TX_CMD_SEC_CCM; + memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); + if (info->flags & IEEE80211_TX_CTL_AMPDU) + tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG); +} + static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) { flush_work(&mvm->async_handlers_wk); @@ -1028,9 +1058,8 @@ static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) /* Statistics */ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt); -int iwl_mvm_rx_statistics(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); @@ -1076,31 +1105,20 @@ bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, * FW notifications / CMD responses handlers * Convention: iwl_mvm_rx_<NAME OF THE CMD> */ -int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* MVM PHY */ int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, @@ -1127,17 +1145,14 @@ int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif); int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif); -int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, struct ieee80211_vif *vif); unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, struct ieee80211_vif *exclude_vif); - /* Bindings */ int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); @@ -1147,48 +1162,33 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload, struct ieee80211_vif *disabled_vif); /* Scanning */ +int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct cfg80211_scan_request *req, + struct ieee80211_scan_ies *ies); int iwl_mvm_scan_size(struct iwl_mvm *mvm); -int iwl_mvm_cancel_scan(struct iwl_mvm *mvm); -int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan); +int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify); +int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); /* Scheduled scan */ -int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, - struct cfg80211_sched_scan_request *req); -int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct cfg80211_sched_scan_request *req, - struct ieee80211_scan_ies *ies); -int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify); -int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); - -/* Unified scan */ -int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct ieee80211_scan_request *req); -int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct cfg80211_sched_scan_request *req, - struct ieee80211_scan_ies *ies); +void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_scan_ies *ies, + int type); +void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* UMAC scan */ int iwl_mvm_config_scan(struct iwl_mvm *mvm); -int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct ieee80211_scan_request *req); -int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct cfg80211_sched_scan_request *req, - struct ieee80211_scan_ies *ies); -int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* MVM debugfs */ #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -1227,9 +1227,8 @@ int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, char *buf, int bufsz); void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); -int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); #ifdef CONFIG_IWLWIFI_LEDS int iwl_mvm_leds_init(struct iwl_mvm *mvm); @@ -1285,9 +1284,8 @@ int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); /* BT Coex */ int iwl_send_bt_init_conf(struct iwl_mvm *mvm); -int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum ieee80211_rssi_event_data); void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm); @@ -1305,9 +1303,8 @@ u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm); void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm); int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm); -int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum ieee80211_rssi_event_data); u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm, @@ -1316,9 +1313,8 @@ bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm, struct ieee80211_sta *sta); bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm, enum ieee80211_band band); -int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* beacon filtering */ #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -1369,14 +1365,20 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) } /* hw scheduler queue config */ -void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn, - const struct iwl_trans_txq_scd_cfg *cfg, +void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, + u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg, unsigned int wdg_timeout); -void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags); +/* + * Disable a TXQ. + * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored. + */ +void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, + u8 tid, u8 flags); +int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq); static inline -void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, - u8 fifo, unsigned int wdg_timeout) +void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, + u8 fifo, u16 ssn, unsigned int wdg_timeout) { struct iwl_trans_txq_scd_cfg cfg = { .fifo = fifo, @@ -1385,13 +1387,13 @@ void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, .frame_limit = IWL_FRAME_LIMIT, }; - iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout); + iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout); } static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue, - int fifo, int sta_id, int tid, - int frame_limit, u16 ssn, - unsigned int wdg_timeout) + int mac80211_queue, int fifo, + int sta_id, int tid, int frame_limit, + u16 ssn, unsigned int wdg_timeout) { struct iwl_trans_txq_scd_cfg cfg = { .fifo = fifo, @@ -1401,15 +1403,14 @@ static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue, .aggregate = true, }; - iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout); + iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout); } /* Thermal management and CT-kill */ void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp); -int iwl_mvm_temp_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_temp_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_tt_handler(struct iwl_mvm *mvm); void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff); void iwl_mvm_tt_exit(struct iwl_mvm *mvm); @@ -1421,9 +1422,8 @@ struct iwl_mcc_update_resp * iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, enum iwl_mcc_source src_id); int iwl_mvm_init_mcc(struct iwl_mvm *mvm); -int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, const char *alpha2, enum iwl_mcc_source src_id, @@ -1462,8 +1462,7 @@ void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw, void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta); -int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_tdls_ch_switch_work(struct work_struct *work); struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); @@ -1473,10 +1472,11 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm); int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id); int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, - const char *str, size_t len, unsigned int delay); + const char *str, size_t len, + struct iwl_fw_dbg_trigger_tlv *trigger); int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, struct iwl_mvm_dump_desc *desc, - unsigned int delay); + struct iwl_fw_dbg_trigger_tlv *trigger); void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm); int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, struct iwl_fw_dbg_trigger_tlv *trigger, diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/nvm.c b/kernel/drivers/net/wireless/iwlwifi/mvm/nvm.c index 87b2a30a2..2ee0f6fe5 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/nvm.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/nvm.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -139,12 +139,6 @@ static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section, return ret; pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(mvm, "Bad return from NVM_ACCES_COMMAND (0x%08X)\n", - pkt->hdr.flags); - ret = -EIO; - goto exit; - } /* Extract NVM response */ nvm_resp = (void *)pkt->data; @@ -316,13 +310,14 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm) phy_sku = (const __le16 *)sections[NVM_SECTION_TYPE_PHY_SKU].data; lar_enabled = !iwlwifi_mod_params.lar_disable && - (mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_LAR_SUPPORT); + fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_LAR_SUPPORT); return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib, regulatory, mac_override, phy_sku, mvm->fw->valid_tx_ant, mvm->fw->valid_rx_ant, - lar_enabled, mac_addr0, mac_addr1); + lar_enabled, mac_addr0, mac_addr1, + mvm->trans->hw_id); } #define MAX_NVM_FILE_LEN 16384 @@ -488,6 +483,7 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm) ret = -ENOMEM; break; } + kfree(mvm->nvm_sections[section_id].data); mvm->nvm_sections[section_id].data = temp; mvm->nvm_sections[section_id].length = section_size; @@ -569,6 +565,10 @@ int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic) mvm->nvm_prod_blob.data = temp; mvm->nvm_prod_blob.size = ret; break; + case NVM_SECTION_TYPE_PHY_SKU: + mvm->nvm_phy_sku_blob.data = temp; + mvm->nvm_phy_sku_blob.size = ret; + break; default: if (section == mvm->cfg->nvm_hw_section_num) { mvm->nvm_hw_blob.data = temp; @@ -583,9 +583,9 @@ int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic) kfree(nvm_buffer); } - /* load external NVM if configured */ + /* Only if PNVM selected in the mod param - load external NVM */ if (mvm->nvm_file_name) { - /* read External NVM file - take the default */ + /* read External NVM file from the mod param */ ret = iwl_mvm_read_external_nvm(mvm); if (ret) { /* choose the nvm_file name according to the @@ -652,12 +652,6 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, return ERR_PTR(ret); pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(mvm, "Bad return from MCC_UPDATE_COMMAND (0x%08X)\n", - pkt->hdr.flags); - ret = -EIO; - goto exit; - } /* Extract MCC response */ mcc_resp = (void *)pkt->data; @@ -792,8 +786,8 @@ int iwl_mvm_init_mcc(struct iwl_mvm *mvm) char mcc[3]; if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000) { - tlv_lar = mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_LAR_SUPPORT; + tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_LAR_SUPPORT); nvm_lar = mvm->nvm_data->lar_enabled; if (tlv_lar != nvm_lar) IWL_INFO(mvm, @@ -839,9 +833,8 @@ int iwl_mvm_init_mcc(struct iwl_mvm *mvm) return retval; } -int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mcc_chub_notif *notif = (void *)pkt->data; @@ -852,7 +845,7 @@ int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, lockdep_assert_held(&mvm->mutex); if (WARN_ON_ONCE(!iwl_mvm_is_lar_supported(mvm))) - return 0; + return; mcc[0] = notif->mcc >> 8; mcc[1] = notif->mcc & 0xff; @@ -864,10 +857,8 @@ int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, mcc, src); regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, NULL); if (IS_ERR_OR_NULL(regd)) - return 0; + return; regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); kfree(regd); - - return 0; } diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/ops.c b/kernel/drivers/net/wireless/iwlwifi/mvm/ops.c index 2ea012387..13c97f665 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -89,6 +89,7 @@ MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); MODULE_LICENSE("GPL"); static const struct iwl_op_mode_ops iwl_mvm_ops; +static const struct iwl_op_mode_ops iwl_mvm_ops_mq; struct iwl_mvm_mod_params iwlmvm_mod_params = { .power_scheme = IWL_POWER_SCHEME_BPS, @@ -194,21 +195,22 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) * (PCIe power is lost before PERST# is asserted), causing ME FW * to lose ownership and not being able to obtain it back. */ - if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) + if (!mvm->trans->cfg->apmg_not_supported) iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); } struct iwl_rx_handlers { - u8 cmd_id; + u16 cmd_id; bool async; - int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); + void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; #define RX_HANDLER(_cmd_id, _fn, _async) \ { .cmd_id = _cmd_id , .fn = _fn , .async = _async } +#define RX_HANDLER_GRP(_grp, _cmd, _fn, _async) \ + { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .async = _async } /* * Handlers for fw notifications @@ -221,8 +223,6 @@ struct iwl_rx_handlers { * called from a worker with mvm->mutex held. */ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { - RX_HANDLER(REPLY_RX_MPDU_CMD, iwl_mvm_rx_rx_mpdu, false), - RX_HANDLER(REPLY_RX_PHY_CMD, iwl_mvm_rx_rx_phy_cmd, false), RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false), RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false), @@ -238,15 +238,16 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false), RX_HANDLER(SCAN_ITERATION_COMPLETE, - iwl_mvm_rx_scan_offload_iter_complete_notif, false), + iwl_mvm_rx_lmac_scan_iter_complete_notif, false), RX_HANDLER(SCAN_OFFLOAD_COMPLETE, - iwl_mvm_rx_scan_offload_complete_notif, true), - RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_offload_results, + iwl_mvm_rx_lmac_scan_complete_notif, true), + RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found, false), RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, true), + RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, + iwl_mvm_rx_umac_scan_iter_complete_notif, false), - RX_HANDLER(RADIO_VERSION_NOTIFICATION, iwl_mvm_rx_radio_ver, false), RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false), RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, @@ -256,18 +257,23 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, iwl_mvm_power_uapsd_misbehaving_ap_notif, false), RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, true), + RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, + iwl_mvm_temp_notif, true), RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, true), RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, false), + RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, true), }; #undef RX_HANDLER +#undef RX_HANDLER_GRP #define CMD(x) [x] = #x -static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { +static const char *const iwl_mvm_cmd_strings[REPLY_MAX + 1] = { CMD(MVM_ALIVE), CMD(REPLY_ERROR), + CMD(ECHO_CMD), CMD(INIT_COMPLETE_NOTIF), CMD(PHY_CONTEXT_CMD), CMD(MGMT_MCAST_KEY), @@ -280,19 +286,15 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(BINDING_CONTEXT_CMD), CMD(TIME_QUOTA_CMD), CMD(NON_QOS_TX_COUNTER_CMD), - CMD(RADIO_VERSION_NOTIFICATION), - CMD(SCAN_REQUEST_CMD), - CMD(SCAN_ABORT_CMD), - CMD(SCAN_START_NOTIFICATION), - CMD(SCAN_RESULTS_NOTIFICATION), - CMD(SCAN_COMPLETE_NOTIFICATION), + CMD(DC2DC_CONFIG_CMD), CMD(NVM_ACCESS_CMD), CMD(PHY_CONFIGURATION_CMD), CMD(CALIB_RES_NOTIF_PHY_DB), CMD(SET_CALIB_DEFAULT_CMD), - CMD(CALIBRATION_COMPLETE_NOTIFICATION), + CMD(FW_PAGING_BLOCK_CMD), CMD(ADD_STA_KEY), CMD(ADD_STA), + CMD(FW_GET_ITEM_CMD), CMD(REMOVE_STA), CMD(LQ_CMD), CMD(SCAN_OFFLOAD_CONFIG_CMD), @@ -359,6 +361,7 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(TDLS_CHANNEL_SWITCH_NOTIFICATION), CMD(TDLS_CONFIG_CMD), CMD(MCC_UPDATE_CMD), + CMD(SCAN_ITERATION_COMPLETE_UMAC), }; #undef CMD @@ -422,7 +425,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; op_mode = hw->priv; - op_mode->ops = &iwl_mvm_ops; mvm = IWL_OP_MODE_GET_MVM(op_mode); mvm->dev = trans->dev; @@ -431,6 +433,15 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mvm->fw = fw; mvm->hw = hw; + if (iwl_mvm_has_new_rx_api(mvm)) { + op_mode->ops = &iwl_mvm_ops_mq; + } else { + op_mode->ops = &iwl_mvm_ops; + + if (WARN_ON(trans->num_rx_queues > 1)) + goto out_free; + } + mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0; mvm->aux_queue = 15; @@ -451,6 +462,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, INIT_LIST_HEAD(&mvm->aux_roc_te_list); INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); + spin_lock_init(&mvm->queue_info_lock); INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); @@ -474,6 +486,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; + trans_cfg.wide_cmd_header = fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_WIDE_CMD_HDR); if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE) trans_cfg.bc_table_dword = true; @@ -520,15 +534,12 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, min_backoff = calc_min_backoff(trans, cfg); iwl_mvm_tt_initialize(mvm, min_backoff); - /* set the nvm_file_name according to priority */ - if (iwlwifi_mod_params.nvm_file) { + + if (iwlwifi_mod_params.nvm_file) mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; - } else if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { - if (CSR_HW_REV_STEP(trans->hw_rev) == SILICON_B_STEP) - mvm->nvm_file_name = mvm->cfg->default_nvm_file_B_step; - else - mvm->nvm_file_name = mvm->cfg->default_nvm_file_C_step; - } + else + IWL_DEBUG_EEPROM(mvm->trans->dev, + "working without external nvm file\n"); if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name, "not allowing power-up and not having nvm_file\n")) @@ -583,12 +594,15 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, /* rpm starts with a taken ref. only set the appropriate bit here. */ mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1; + iwl_mvm_tof_init(mvm); + return op_mode; out_unregister: ieee80211_unregister_hw(mvm->hw); iwl_mvm_leds_exit(mvm); out_free: + flush_delayed_work(&mvm->fw_dump_wk); iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name) @@ -616,6 +630,7 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) kfree(mvm->d3_resume_sram); if (mvm->nd_config) { kfree(mvm->nd_config->match_sets); + kfree(mvm->nd_config->scan_plans); kfree(mvm->nd_config); mvm->nd_config = NULL; } @@ -630,14 +645,15 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) kfree(mvm->nvm_sections[i].data); + iwl_mvm_tof_clean(mvm); + ieee80211_free_hw(mvm->hw); } struct iwl_async_handler_entry { struct list_head list; struct iwl_rx_cmd_buffer rxb; - int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); + void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) @@ -674,9 +690,7 @@ static void iwl_mvm_async_handlers_wk(struct work_struct *wk) spin_unlock_bh(&mvm->async_handlers_lock); list_for_each_entry_safe(entry, tmp, &local_list, list) { - if (entry->fn(mvm, &entry->rxb, NULL)) - IWL_WARN(mvm, - "returned value from ASYNC handlers are ignored\n"); + entry->fn(mvm, &entry->rxb); iwl_free_rxb(&entry->rxb); list_del(&entry->list); kfree(entry); @@ -705,23 +719,22 @@ static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, if (!cmds_trig->cmds[i].cmd_id) break; - if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd) + if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || + cmds_trig->cmds[i].group_id != pkt->hdr.group_id) continue; iwl_mvm_fw_dbg_collect_trig(mvm, trig, - "CMD 0x%02x received", - pkt->hdr.cmd); + "CMD 0x%02x.%02x received", + pkt->hdr.group_id, pkt->hdr.cmd); break; } } -static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwl_mvm_rx_common(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_rx_packet *pkt) { - struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - u8 i; + int i; iwl_mvm_rx_check_trigger(mvm, pkt); @@ -736,16 +749,18 @@ static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; struct iwl_async_handler_entry *entry; - if (rx_h->cmd_id != pkt->hdr.cmd) + if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) continue; - if (!rx_h->async) - return rx_h->fn(mvm, rxb, cmd); + if (!rx_h->async) { + rx_h->fn(mvm, rxb); + return; + } entry = kzalloc(sizeof(*entry), GFP_ATOMIC); /* we can't do much... */ if (!entry) - return 0; + return; entry->rxb._page = rxb_steal_page(rxb); entry->rxb._offset = rxb->_offset; @@ -757,44 +772,86 @@ static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, schedule_work(&mvm->async_handlers_wk); break; } +} - return 0; +static void iwl_mvm_rx(struct iwl_op_mode *op_mode, + struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + + if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) + iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); + else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) + iwl_mvm_rx_rx_phy_cmd(mvm, rxb); + else + iwl_mvm_rx_common(mvm, rxb, pkt); +} + +static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, + struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + + if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) + iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); + else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) + iwl_mvm_rx_rx_phy_cmd(mvm, rxb); + else + iwl_mvm_rx_common(mvm, rxb, pkt); } static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - int mq = mvm->queue_to_mac80211[queue]; + unsigned long mq; + int q; - if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) - return; + spin_lock_bh(&mvm->queue_info_lock); + mq = mvm->queue_info[queue].hw_queue_to_mac80211; + spin_unlock_bh(&mvm->queue_info_lock); - if (atomic_inc_return(&mvm->mac80211_queue_stop_count[mq]) > 1) { - IWL_DEBUG_TX_QUEUES(mvm, - "queue %d (mac80211 %d) already stopped\n", - queue, mq); + if (WARN_ON_ONCE(!mq)) return; - } - ieee80211_stop_queue(mvm->hw, mq); + for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { + if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) { + IWL_DEBUG_TX_QUEUES(mvm, + "queue %d (mac80211 %d) already stopped\n", + queue, q); + continue; + } + + ieee80211_stop_queue(mvm->hw, q); + } } static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - int mq = mvm->queue_to_mac80211[queue]; + unsigned long mq; + int q; - if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) - return; + spin_lock_bh(&mvm->queue_info_lock); + mq = mvm->queue_info[queue].hw_queue_to_mac80211; + spin_unlock_bh(&mvm->queue_info_lock); - if (atomic_dec_return(&mvm->mac80211_queue_stop_count[mq]) > 0) { - IWL_DEBUG_TX_QUEUES(mvm, - "queue %d (mac80211 %d) still stopped\n", - queue, mq); + if (WARN_ON_ONCE(!mq)) return; - } - ieee80211_wake_queue(mvm->hw, mq); + for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) { + if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) { + IWL_DEBUG_TX_QUEUES(mvm, + "queue %d (mac80211 %d) still stopped\n", + queue, q); + continue; + } + + ieee80211_wake_queue(mvm->hw, q); + } } void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) @@ -910,7 +967,8 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) * can't recover this since we're already half suspended. */ if (!mvm->restart_fw && fw_error) { - iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert, 0); + iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert, + NULL); } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { struct iwl_mvm_reprobe *reprobe; @@ -1107,9 +1165,7 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); - /* make sure we have no running tx while configuring the qos */ set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); - synchronize_net(); /* * iwl_mvm_ref_sync takes a reference before checking the flag. @@ -1137,12 +1193,20 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) mvm->d0i3_offloading = false; } - iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, &d0i3_iter_data); - ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, - sizeof(wowlan_config_cmd), - &wowlan_config_cmd); - if (ret) - return ret; + /* make sure we have no running tx while configuring the seqno */ + synchronize_net(); + + /* configure wowlan configuration only if needed */ + if (mvm->d0i3_ap_sta_id != IWL_MVM_STATION_COUNT) { + iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, + &d0i3_iter_data); + + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, + sizeof(wowlan_config_cmd), + &wowlan_config_cmd); + if (ret) + return ret; + } return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, flags | CMD_MAKE_TRANS_IDLE, @@ -1163,15 +1227,25 @@ static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); } -static void iwl_mvm_d0i3_disconnect_iter(void *data, u8 *mac, - struct ieee80211_vif *vif) +struct iwl_mvm_wakeup_reason_iter_data { + struct iwl_mvm *mvm; + u32 wakeup_reasons; +}; + +static void iwl_mvm_d0i3_wakeup_reason_iter(void *_data, u8 *mac, + struct ieee80211_vif *vif) { - struct iwl_mvm *mvm = data; + struct iwl_mvm_wakeup_reason_iter_data *data = _data; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); if (vif->type == NL80211_IFTYPE_STATION && vif->bss_conf.assoc && - mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) - iwl_mvm_connection_loss(mvm, vif, "D0i3"); + data->mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) { + if (data->wakeup_reasons & + IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) + iwl_mvm_connection_loss(data->mvm, vif, "D0i3"); + else + ieee80211_beacon_loss(vif); + } } void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) @@ -1239,7 +1313,7 @@ static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) }; struct iwl_wowlan_status *status; int ret; - u32 disconnection_reasons, wakeup_reasons; + u32 handled_reasons, wakeup_reasons = 0; __le16 *qos_seq = NULL; mutex_lock(&mvm->mutex); @@ -1256,16 +1330,24 @@ static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); - disconnection_reasons = - IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | - IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH; - if (wakeup_reasons & disconnection_reasons) + handled_reasons = IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | + IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH; + if (wakeup_reasons & handled_reasons) { + struct iwl_mvm_wakeup_reason_iter_data data = { + .mvm = mvm, + .wakeup_reasons = wakeup_reasons, + }; + ieee80211_iterate_active_interfaces( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_d0i3_disconnect_iter, mvm); + iwl_mvm_d0i3_wakeup_reason_iter, &data); + } out: iwl_mvm_d0i3_enable_tx(mvm, qos_seq); + IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n", + wakeup_reasons); + /* qos_seq might point inside resp_pkt, so free it only now */ if (get_status_cmd.resp_pkt) iwl_free_resp(&get_status_cmd); @@ -1315,29 +1397,38 @@ int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) return _iwl_mvm_exit_d0i3(mvm); } -static void iwl_mvm_napi_add(struct iwl_op_mode *op_mode, - struct napi_struct *napi, - struct net_device *napi_dev, - int (*poll)(struct napi_struct *, int), - int weight) +#define IWL_MVM_COMMON_OPS \ + /* these could be differentiated */ \ + .queue_full = iwl_mvm_stop_sw_queue, \ + .queue_not_full = iwl_mvm_wake_sw_queue, \ + .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ + .free_skb = iwl_mvm_free_skb, \ + .nic_error = iwl_mvm_nic_error, \ + .cmd_queue_full = iwl_mvm_cmd_queue_full, \ + .nic_config = iwl_mvm_nic_config, \ + .enter_d0i3 = iwl_mvm_enter_d0i3, \ + .exit_d0i3 = iwl_mvm_exit_d0i3, \ + /* as we only register one, these MUST be common! */ \ + .start = iwl_op_mode_mvm_start, \ + .stop = iwl_op_mode_mvm_stop + +static const struct iwl_op_mode_ops iwl_mvm_ops = { + IWL_MVM_COMMON_OPS, + .rx = iwl_mvm_rx, +}; + +static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, + struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, + unsigned int queue) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - ieee80211_napi_add(mvm->hw, napi, napi_dev, poll, weight); + iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); } -static const struct iwl_op_mode_ops iwl_mvm_ops = { - .start = iwl_op_mode_mvm_start, - .stop = iwl_op_mode_mvm_stop, - .rx = iwl_mvm_rx_dispatch, - .queue_full = iwl_mvm_stop_sw_queue, - .queue_not_full = iwl_mvm_wake_sw_queue, - .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, - .free_skb = iwl_mvm_free_skb, - .nic_error = iwl_mvm_nic_error, - .cmd_queue_full = iwl_mvm_cmd_queue_full, - .nic_config = iwl_mvm_nic_config, - .enter_d0i3 = iwl_mvm_enter_d0i3, - .exit_d0i3 = iwl_mvm_exit_d0i3, - .napi_add = iwl_mvm_napi_add, +static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { + IWL_MVM_COMMON_OPS, + .rx = iwl_mvm_rx_mq, + .rx_rss = iwl_mvm_rx_mq_rss, }; diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/power.c b/kernel/drivers/net/wireless/iwlwifi/mvm/power.c index d2c6ba9d3..bed9696ee 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/power.c @@ -7,6 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -112,11 +114,12 @@ int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, static void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_beacon_filter_cmd *cmd) + struct iwl_beacon_filter_cmd *cmd, + bool d0i3) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - if (vif->bss_conf.cqm_rssi_thold) { + if (vif->bss_conf.cqm_rssi_thold && !d0i3) { cmd->bf_energy_delta = cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); /* fw uses an absolute value for this */ @@ -287,27 +290,6 @@ static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, return true; } -static int iwl_mvm_power_get_skip_over_dtim(int dtimper, int bi) -{ - int numerator; - int dtim_interval = dtimper * bi; - - if (WARN_ON(!dtim_interval)) - return 0; - - if (dtimper == 1) { - if (bi > 100) - numerator = 408; - else - numerator = 510; - } else if (dtimper < 10) { - numerator = 612; - } else { - return 0; - } - return max(1, (numerator / dtim_interval)); -} - static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) { struct ieee80211_chanctx_conf *chanctx_conf; @@ -326,13 +308,51 @@ static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) return radar_detect; } +static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mac_power_cmd *cmd, + bool host_awake) +{ + int dtimper = vif->bss_conf.dtim_period ?: 1; + int skip; + + /* disable, in case we're supposed to override */ + cmd->skip_dtim_periods = 0; + cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); + + if (iwl_mvm_power_is_radar(vif)) + return; + + if (dtimper >= 10) + return; + + /* TODO: check that multicast wake lock is off */ + + if (host_awake) { + if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP) + return; + skip = 2; + } else { + int dtimper_tu = dtimper * vif->bss_conf.beacon_int; + + if (WARN_ON(!dtimper_tu)) + return; + /* configure skip over dtim up to 306TU - 314 msec */ + skip = max_t(u8, 1, 306 / dtimper_tu); + } + + /* the firmware really expects "look at every X DTIMs", so add 1 */ + cmd->skip_dtim_periods = 1 + skip; + cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); +} + static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_mac_power_cmd *cmd) + struct iwl_mac_power_cmd *cmd, + bool host_awake) { int dtimper, bi; int keep_alive; - bool radar_detect = false; struct iwl_mvm_vif *mvmvif __maybe_unused = iwl_mvm_vif_from_mac80211(vif); @@ -357,8 +377,13 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); - if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) || - !mvmvif->pm_enabled) + if (!vif->bss_conf.ps || !mvmvif->pm_enabled) + return; + + if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && + (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) || + !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE)) return; cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); @@ -370,30 +395,25 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD; } - /* Check if radar detection is required on current channel */ - radar_detect = iwl_mvm_power_is_radar(vif); - - /* Check skip over DTIM conditions */ - if (!radar_detect && (dtimper < 10) && - (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP || - mvm->cur_ucode == IWL_UCODE_WOWLAN)) { - cmd->skip_dtim_periods = - iwl_mvm_power_get_skip_over_dtim(dtimper, bi); - if (cmd->skip_dtim_periods) - cmd->flags |= - cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); - } + iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake); - if (mvm->cur_ucode != IWL_UCODE_WOWLAN) { + if (!host_awake) { cmd->rx_data_timeout = - cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); + cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); cmd->tx_data_timeout = - cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); + cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); + } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p && + fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) { + cmd->tx_data_timeout = + cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT); + cmd->rx_data_timeout = + cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT); } else { cmd->rx_data_timeout = - cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); + cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT); cmd->tx_data_timeout = - cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); + cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT); } if (iwl_mvm_power_allow_uapsd(mvm, vif)) @@ -450,7 +470,8 @@ static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, { struct iwl_mac_power_cmd cmd = {}; - iwl_mvm_power_build_cmd(mvm, vif, &cmd); + iwl_mvm_power_build_cmd(mvm, vif, &cmd, + mvm->cur_ucode != IWL_UCODE_WOWLAN); iwl_mvm_power_log(mvm, &cmd); #ifdef CONFIG_IWLWIFI_DEBUGFS memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd)); @@ -463,14 +484,14 @@ static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, int iwl_mvm_power_update_device(struct iwl_mvm *mvm) { struct iwl_device_power_cmd cmd = { - .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK), + .flags = 0, }; if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) mvm->ps_disabled = true; - if (mvm->ps_disabled) - cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK); + if (!mvm->ps_disabled) + cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); #ifdef CONFIG_IWLWIFI_DEBUGFS if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 : @@ -509,9 +530,8 @@ static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac, ETH_ALEN); } -int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data; @@ -520,8 +540,6 @@ int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id); - - return 0; } struct iwl_power_vifs { @@ -810,7 +828,7 @@ static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, vif->type != NL80211_IFTYPE_STATION || vif->p2p) return 0; - iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd); + iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3); if (!d0i3) iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); @@ -989,25 +1007,8 @@ int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, if (!vif->bss_conf.assoc) return 0; - iwl_mvm_power_build_cmd(mvm, vif, &cmd); - if (enable) { - /* configure skip over dtim up to 306TU - 314 msec */ - int dtimper = vif->bss_conf.dtim_period ?: 1; - int dtimper_tu = dtimper * vif->bss_conf.beacon_int; - bool radar_detect = iwl_mvm_power_is_radar(vif); + iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable); - if (WARN_ON(!dtimper_tu)) - return 0; - - /* Check skip over DTIM conditions */ - /* TODO: check that multicast wake lock is off */ - if (!radar_detect && (dtimper < 10)) { - cmd.skip_dtim_periods = 306 / dtimper_tu; - if (cmd.skip_dtim_periods) - cmd.flags |= cpu_to_le16( - POWER_FLAGS_SKIP_OVER_DTIM_MSK); - } - } iwl_mvm_power_log(mvm, &cmd); #ifdef CONFIG_IWLWIFI_DEBUGFS memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd)); diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/rs.c b/kernel/drivers/net/wireless/iwlwifi/mvm/rs.c index 33cd68ae7..d1ad10391 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -138,7 +138,7 @@ struct rs_tx_column; typedef bool (*allow_column_func_t) (struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col); struct rs_tx_column { @@ -150,14 +150,14 @@ struct rs_tx_column { }; static bool rs_ant_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col) { return iwl_mvm_bt_coex_is_ant_avail(mvm, next_col->ant); } static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col) { struct iwl_mvm_sta *mvmsta; @@ -177,8 +177,6 @@ static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, mvmsta = iwl_mvm_sta_from_mac80211(sta); mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); - if (iwl_mvm_vif_low_latency(mvmvif) && mvmsta->vif->p2p) - return false; if (mvm->nvm_data->sku_cap_mimo_disabled) return false; @@ -187,7 +185,7 @@ static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, } static bool rs_siso_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col) { if (!sta->ht_cap.ht_supported) @@ -197,10 +195,9 @@ static bool rs_siso_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, } static bool rs_sgi_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col) { - struct rs_rate *rate = &tbl->rate; struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; @@ -524,14 +521,56 @@ static const char *rs_pretty_lq_type(enum iwl_table_type type) return lq_types[type]; } +static char *rs_pretty_rate(const struct rs_rate *rate) +{ + static char buf[40]; + static const char * const legacy_rates[] = { + [IWL_RATE_1M_INDEX] = "1M", + [IWL_RATE_2M_INDEX] = "2M", + [IWL_RATE_5M_INDEX] = "5.5M", + [IWL_RATE_11M_INDEX] = "11M", + [IWL_RATE_6M_INDEX] = "6M", + [IWL_RATE_9M_INDEX] = "9M", + [IWL_RATE_12M_INDEX] = "12M", + [IWL_RATE_18M_INDEX] = "18M", + [IWL_RATE_24M_INDEX] = "24M", + [IWL_RATE_36M_INDEX] = "36M", + [IWL_RATE_48M_INDEX] = "48M", + [IWL_RATE_54M_INDEX] = "54M", + }; + static const char *const ht_vht_rates[] = { + [IWL_RATE_MCS_0_INDEX] = "MCS0", + [IWL_RATE_MCS_1_INDEX] = "MCS1", + [IWL_RATE_MCS_2_INDEX] = "MCS2", + [IWL_RATE_MCS_3_INDEX] = "MCS3", + [IWL_RATE_MCS_4_INDEX] = "MCS4", + [IWL_RATE_MCS_5_INDEX] = "MCS5", + [IWL_RATE_MCS_6_INDEX] = "MCS6", + [IWL_RATE_MCS_7_INDEX] = "MCS7", + [IWL_RATE_MCS_8_INDEX] = "MCS8", + [IWL_RATE_MCS_9_INDEX] = "MCS9", + }; + const char *rate_str; + + if (is_type_legacy(rate->type)) + rate_str = legacy_rates[rate->index]; + else if (is_type_ht(rate->type) || is_type_vht(rate->type)) + rate_str = ht_vht_rates[rate->index]; + else + rate_str = "BAD_RATE"; + + sprintf(buf, "(%s|%s|%s)", rs_pretty_lq_type(rate->type), + rs_pretty_ant(rate->ant), rate_str); + return buf; +} + static inline void rs_dump_rate(struct iwl_mvm *mvm, const struct rs_rate *rate, const char *prefix) { IWL_DEBUG_RATE(mvm, - "%s: (%s: %d) ANT: %s BW: %d SGI: %d LDPC: %d STBC: %d\n", - prefix, rs_pretty_lq_type(rate->type), - rate->index, rs_pretty_ant(rate->ant), - rate->bw, rate->sgi, rate->ldpc, rate->stbc); + "%s: %s BW: %d SGI: %d LDPC: %d STBC: %d\n", + prefix, rs_pretty_rate(rate), rate->bw, + rate->sgi, rate->ldpc, rate->stbc); } static void rs_rate_scale_clear_window(struct iwl_rate_scale_data *window) @@ -562,8 +601,8 @@ static inline u8 rs_is_valid_ant(u8 valid_antenna, u8 ant_type) } static int rs_tl_turn_on_agg_for_tid(struct iwl_mvm *mvm, - struct iwl_lq_sta *lq_data, u8 tid, - struct ieee80211_sta *sta) + struct iwl_lq_sta *lq_data, u8 tid, + struct ieee80211_sta *sta) { int ret = -EAGAIN; @@ -1128,8 +1167,8 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1]; struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta; - bool allow_ant_mismatch = mvm->fw->ucode_capa.api[0] & - IWL_UCODE_TLV_API_LQ_SS_PARAMS; + bool allow_ant_mismatch = fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_LQ_SS_PARAMS); /* Treat uninitialized rate scaling data same as non-existing. */ if (!lq_sta) { @@ -1485,7 +1524,7 @@ static s32 rs_get_best_rate(struct iwl_mvm *mvm, u32 target_tpt; int rate_idx; - if (success_ratio > IWL_MVM_RS_SR_NO_DECREASE) { + if (success_ratio >= RS_PERCENT(IWL_MVM_RS_SR_NO_DECREASE)) { target_tpt = 100 * expected_current_tpt; IWL_DEBUG_RATE(mvm, "SR %d high. Find rate exceeding EXPECTED_CURRENT %d\n", @@ -1493,7 +1532,7 @@ static s32 rs_get_best_rate(struct iwl_mvm *mvm, } else { target_tpt = lq_sta->last_tpt; IWL_DEBUG_RATE(mvm, - "SR %d not thag good. Find rate exceeding ACTUAL_TPT %d\n", + "SR %d not that good. Find rate exceeding ACTUAL_TPT %d\n", success_ratio, target_tpt); } @@ -1622,6 +1661,51 @@ static void rs_update_rate_tbl(struct iwl_mvm *mvm, iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, false); } +static bool rs_tweak_rate_tbl(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, + enum rs_action scale_action) +{ + if (sta->bandwidth != IEEE80211_STA_RX_BW_80) + return false; + + if (!is_vht_siso(&tbl->rate)) + return false; + + if ((tbl->rate.bw == RATE_MCS_CHAN_WIDTH_80) && + (tbl->rate.index == IWL_RATE_MCS_0_INDEX) && + (scale_action == RS_ACTION_DOWNSCALE)) { + tbl->rate.bw = RATE_MCS_CHAN_WIDTH_20; + tbl->rate.index = IWL_RATE_MCS_4_INDEX; + IWL_DEBUG_RATE(mvm, "Switch 80Mhz SISO MCS0 -> 20Mhz MCS4\n"); + goto tweaked; + } + + /* Go back to 80Mhz MCS1 only if we've established that 20Mhz MCS5 is + * sustainable, i.e. we're past the test window. We can't go back + * if MCS5 is just tested as this will happen always after switching + * to 20Mhz MCS4 because the rate stats are cleared. + */ + if ((tbl->rate.bw == RATE_MCS_CHAN_WIDTH_20) && + (((tbl->rate.index == IWL_RATE_MCS_5_INDEX) && + (scale_action == RS_ACTION_STAY)) || + ((tbl->rate.index > IWL_RATE_MCS_5_INDEX) && + (scale_action == RS_ACTION_UPSCALE)))) { + tbl->rate.bw = RATE_MCS_CHAN_WIDTH_80; + tbl->rate.index = IWL_RATE_MCS_1_INDEX; + IWL_DEBUG_RATE(mvm, "Switch 20Mhz SISO MCS5 -> 80Mhz MCS1\n"); + goto tweaked; + } + + return false; + +tweaked: + rs_set_expected_tpt_table(lq_sta, tbl); + rs_rate_scale_clear_tbl_windows(mvm, tbl); + return true; +} + static enum rs_column rs_get_next_column(struct iwl_mvm *mvm, struct iwl_lq_sta *lq_sta, struct ieee80211_sta *sta, @@ -1659,7 +1743,8 @@ static enum rs_column rs_get_next_column(struct iwl_mvm *mvm, for (j = 0; j < MAX_COLUMN_CHECKS; j++) { allow_func = next_col->checks[j]; - if (allow_func && !allow_func(mvm, sta, tbl, next_col)) + if (allow_func && !allow_func(mvm, sta, &tbl->rate, + next_col)) break; } @@ -2136,7 +2221,7 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, } /* current tx rate */ - index = lq_sta->last_txrate_idx; + index = rate->index; /* rates available for this association, and for modulation mode */ rate_mask = rs_get_supported_rates(lq_sta, rate); @@ -2173,9 +2258,9 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, if ((fail_count < IWL_MVM_RS_RATE_MIN_FAILURE_TH) && (window->success_counter < IWL_MVM_RS_RATE_MIN_SUCCESS_TH)) { IWL_DEBUG_RATE(mvm, - "(%s: %d): Test Window: succ %d total %d\n", - rs_pretty_lq_type(rate->type), - index, window->success_counter, window->counter); + "%s: Test Window: succ %d total %d\n", + rs_pretty_rate(rate), + window->success_counter, window->counter); /* Can't calculate this yet; not enough history */ window->average_tpt = IWL_INVALID_VALUE; @@ -2184,14 +2269,7 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, * or search for a new one? */ rs_stay_in_table(lq_sta, false); - goto out; - } - /* Else we have enough samples; calculate estimate of - * actual average throughput */ - if (window->average_tpt != ((window->success_ratio * - tbl->expected_tpt[index] + 64) / 128)) { - window->average_tpt = ((window->success_ratio * - tbl->expected_tpt[index] + 64) / 128); + return; } /* If we are searching for better modulation mode, check success. */ @@ -2259,8 +2337,8 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, high_tpt = tbl->win[high].average_tpt; IWL_DEBUG_RATE(mvm, - "(%s: %d): cur_tpt %d SR %d low %d high %d low_tpt %d high_tpt %d\n", - rs_pretty_lq_type(rate->type), index, current_tpt, sr, + "%s: cur_tpt %d SR %d low %d high %d low_tpt %d high_tpt %d\n", + rs_pretty_rate(rate), current_tpt, sr, low, high, low_tpt, high_tpt); scale_action = rs_get_rate_action(mvm, tbl, sr, low, high, @@ -2311,6 +2389,8 @@ lq_update: /* Replace uCode's rate table for the destination station. */ if (update_lq) { tbl->rate.index = index; + if (IWL_MVM_RS_80_20_FAR_RANGE_TWEAK) + rs_tweak_rate_tbl(mvm, sta, lq_sta, tbl, scale_action); rs_update_rate_tbl(mvm, sta, lq_sta, tbl); } @@ -2403,9 +2483,6 @@ lq_update: rs_set_stay_in_table(mvm, 0, lq_sta); } } - -out: - lq_sta->last_txrate_idx = index; } struct rs_init_rate_info { @@ -2413,7 +2490,7 @@ struct rs_init_rate_info { u8 rate_idx; }; -static const struct rs_init_rate_info rs_init_rates_24ghz[] = { +static const struct rs_init_rate_info rs_optimal_rates_24ghz_legacy[] = { { -60, IWL_RATE_54M_INDEX }, { -64, IWL_RATE_48M_INDEX }, { -68, IWL_RATE_36M_INDEX }, @@ -2426,7 +2503,7 @@ static const struct rs_init_rate_info rs_init_rates_24ghz[] = { { S8_MIN, IWL_RATE_1M_INDEX }, }; -static const struct rs_init_rate_info rs_init_rates_5ghz[] = { +static const struct rs_init_rate_info rs_optimal_rates_5ghz_legacy[] = { { -60, IWL_RATE_54M_INDEX }, { -64, IWL_RATE_48M_INDEX }, { -72, IWL_RATE_36M_INDEX }, @@ -2437,6 +2514,123 @@ static const struct rs_init_rate_info rs_init_rates_5ghz[] = { { S8_MIN, IWL_RATE_6M_INDEX }, }; +static const struct rs_init_rate_info rs_optimal_rates_ht[] = { + { -60, IWL_RATE_MCS_7_INDEX }, + { -64, IWL_RATE_MCS_6_INDEX }, + { -68, IWL_RATE_MCS_5_INDEX }, + { -72, IWL_RATE_MCS_4_INDEX }, + { -80, IWL_RATE_MCS_3_INDEX }, + { -84, IWL_RATE_MCS_2_INDEX }, + { -85, IWL_RATE_MCS_1_INDEX }, + { S8_MIN, IWL_RATE_MCS_0_INDEX}, +}; + +static const struct rs_init_rate_info rs_optimal_rates_vht_20mhz[] = { + { -60, IWL_RATE_MCS_8_INDEX }, + { -64, IWL_RATE_MCS_7_INDEX }, + { -68, IWL_RATE_MCS_6_INDEX }, + { -72, IWL_RATE_MCS_5_INDEX }, + { -80, IWL_RATE_MCS_4_INDEX }, + { -84, IWL_RATE_MCS_3_INDEX }, + { -85, IWL_RATE_MCS_2_INDEX }, + { -87, IWL_RATE_MCS_1_INDEX }, + { S8_MIN, IWL_RATE_MCS_0_INDEX}, +}; + +static const struct rs_init_rate_info rs_optimal_rates_vht_40_80mhz[] = { + { -60, IWL_RATE_MCS_9_INDEX }, + { -64, IWL_RATE_MCS_8_INDEX }, + { -68, IWL_RATE_MCS_7_INDEX }, + { -72, IWL_RATE_MCS_6_INDEX }, + { -80, IWL_RATE_MCS_5_INDEX }, + { -84, IWL_RATE_MCS_4_INDEX }, + { -85, IWL_RATE_MCS_3_INDEX }, + { -87, IWL_RATE_MCS_2_INDEX }, + { -88, IWL_RATE_MCS_1_INDEX }, + { S8_MIN, IWL_RATE_MCS_0_INDEX }, +}; + +/* Init the optimal rate based on STA caps + * This combined with rssi is used to report the last tx rate + * to userspace when we haven't transmitted enough frames. + */ +static void rs_init_optimal_rate(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + struct iwl_lq_sta *lq_sta) +{ + struct rs_rate *rate = &lq_sta->optimal_rate; + + if (lq_sta->max_mimo2_rate_idx != IWL_RATE_INVALID) + rate->type = lq_sta->is_vht ? LQ_VHT_MIMO2 : LQ_HT_MIMO2; + else if (lq_sta->max_siso_rate_idx != IWL_RATE_INVALID) + rate->type = lq_sta->is_vht ? LQ_VHT_SISO : LQ_HT_SISO; + else if (lq_sta->band == IEEE80211_BAND_5GHZ) + rate->type = LQ_LEGACY_A; + else + rate->type = LQ_LEGACY_G; + + rate->bw = rs_bw_from_sta_bw(sta); + rate->sgi = rs_sgi_allow(mvm, sta, rate, NULL); + + /* ANT/LDPC/STBC aren't relevant for the rate reported to userspace */ + + if (is_mimo(rate)) { + lq_sta->optimal_rate_mask = lq_sta->active_mimo2_rate; + } else if (is_siso(rate)) { + lq_sta->optimal_rate_mask = lq_sta->active_siso_rate; + } else { + lq_sta->optimal_rate_mask = lq_sta->active_legacy_rate; + + if (lq_sta->band == IEEE80211_BAND_5GHZ) { + lq_sta->optimal_rates = rs_optimal_rates_5ghz_legacy; + lq_sta->optimal_nentries = + ARRAY_SIZE(rs_optimal_rates_5ghz_legacy); + } else { + lq_sta->optimal_rates = rs_optimal_rates_24ghz_legacy; + lq_sta->optimal_nentries = + ARRAY_SIZE(rs_optimal_rates_24ghz_legacy); + } + } + + if (is_vht(rate)) { + if (rate->bw == RATE_MCS_CHAN_WIDTH_20) { + lq_sta->optimal_rates = rs_optimal_rates_vht_20mhz; + lq_sta->optimal_nentries = + ARRAY_SIZE(rs_optimal_rates_vht_20mhz); + } else { + lq_sta->optimal_rates = rs_optimal_rates_vht_40_80mhz; + lq_sta->optimal_nentries = + ARRAY_SIZE(rs_optimal_rates_vht_40_80mhz); + } + } else if (is_ht(rate)) { + lq_sta->optimal_rates = rs_optimal_rates_ht; + lq_sta->optimal_nentries = ARRAY_SIZE(rs_optimal_rates_ht); + } +} + +/* Compute the optimal rate index based on RSSI */ +static struct rs_rate *rs_get_optimal_rate(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta) +{ + struct rs_rate *rate = &lq_sta->optimal_rate; + int i; + + rate->index = find_first_bit(&lq_sta->optimal_rate_mask, + BITS_PER_LONG); + + for (i = 0; i < lq_sta->optimal_nentries; i++) { + int rate_idx = lq_sta->optimal_rates[i].rate_idx; + + if ((lq_sta->pers.last_rssi >= lq_sta->optimal_rates[i].rssi) && + (BIT(rate_idx) & lq_sta->optimal_rate_mask)) { + rate->index = rate_idx; + break; + } + } + + return rate; +} + /* Choose an initial legacy rate and antenna to use based on the RSSI * of last Rx */ @@ -2478,12 +2672,12 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, if (band == IEEE80211_BAND_5GHZ) { rate->type = LQ_LEGACY_A; - initial_rates = rs_init_rates_5ghz; - nentries = ARRAY_SIZE(rs_init_rates_5ghz); + initial_rates = rs_optimal_rates_5ghz_legacy; + nentries = ARRAY_SIZE(rs_optimal_rates_5ghz_legacy); } else { rate->type = LQ_LEGACY_G; - initial_rates = rs_init_rates_24ghz; - nentries = ARRAY_SIZE(rs_init_rates_24ghz); + initial_rates = rs_optimal_rates_24ghz_legacy; + nentries = ARRAY_SIZE(rs_optimal_rates_24ghz_legacy); } if (IWL_MVM_RS_RSSI_BASED_INIT_RATE) { @@ -2506,10 +2700,21 @@ void rs_update_last_rssi(struct iwl_mvm *mvm, struct iwl_lq_sta *lq_sta, struct ieee80211_rx_status *rx_status) { + int i; + lq_sta->pers.chains = rx_status->chains; lq_sta->pers.chain_signal[0] = rx_status->chain_signal[0]; lq_sta->pers.chain_signal[1] = rx_status->chain_signal[1]; lq_sta->pers.chain_signal[2] = rx_status->chain_signal[2]; + lq_sta->pers.last_rssi = S8_MIN; + + for (i = 0; i < ARRAY_SIZE(lq_sta->pers.chain_signal); i++) { + if (!(lq_sta->pers.chains & BIT(i))) + continue; + + if (lq_sta->pers.chain_signal[i] > lq_sta->pers.last_rssi) + lq_sta->pers.last_rssi = lq_sta->pers.chain_signal[i]; + } } /** @@ -2548,7 +2753,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm, rate = &tbl->rate; rs_get_initial_rate(mvm, lq_sta, band, rate); - lq_sta->last_txrate_idx = rate->index; + rs_init_optimal_rate(mvm, sta, lq_sta); WARN_ON_ONCE(rate->ant != ANT_A && rate->ant != ANT_B); if (rate->ant == ANT_A) @@ -2571,6 +2776,8 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta, struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode); struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct iwl_lq_sta *lq_sta = mvm_sta; + struct rs_rate *optimal_rate; + u32 last_ucode_rate; if (sta && !iwl_mvm_sta_from_mac80211(sta)->vif) { /* if vif isn't initialized mvm doesn't know about @@ -2594,8 +2801,18 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta, iwl_mvm_hwrate_to_tx_rate(lq_sta->last_rate_n_flags, info->band, &info->control.rates[0]); - info->control.rates[0].count = 1; + + /* Report the optimal rate based on rssi and STA caps if we haven't + * converged yet (too little traffic) or exploring other modulations + */ + if (lq_sta->rs_state != RS_STATE_STAY_IN_COLUMN) { + optimal_rate = rs_get_optimal_rate(mvm, lq_sta); + last_ucode_rate = ucode_rate_from_rs_rate(mvm, + optimal_rate); + iwl_mvm_hwrate_to_tx_rate(last_ucode_rate, info->band, + &txrc->reported_rate); + } } static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta, @@ -2616,6 +2833,7 @@ static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta, #endif lq_sta->pers.chains = 0; memset(lq_sta->pers.chain_signal, 0, sizeof(lq_sta->pers.chain_signal)); + lq_sta->pers.last_rssi = S8_MIN; return &sta_priv->lq_sta; } @@ -2725,7 +2943,7 @@ static void rs_vht_init(struct iwl_mvm *mvm, (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK)) lq_sta->stbc_capable = true; - if ((mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BEAMFORMER) && + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_BEAMFORMER) && (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) && (vht_cap->cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) lq_sta->bfer_capable = true; @@ -2850,9 +3068,6 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, else rs_vht_init(mvm, sta, lq_sta, vht_cap); - if (IWL_MVM_RS_DISABLE_P2P_MIMO && sta_priv->vif->p2p) - lq_sta->active_mimo2_rate = 0; - lq_sta->max_legacy_rate_idx = rs_get_max_rate_from_mask(lq_sta->active_legacy_rate); lq_sta->max_siso_rate_idx = @@ -3009,7 +3224,7 @@ static void rs_build_rates_table(struct iwl_mvm *mvm, valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); /* TODO: remove old API when min FW API hits 14 */ - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LQ_SS_PARAMS) && + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_LQ_SS_PARAMS) && rs_stbc_allow(mvm, sta, lq_sta)) rate.stbc = true; @@ -3223,12 +3438,9 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm, rs_build_rates_table(mvm, sta, lq_sta, initial_rate); - if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LQ_SS_PARAMS) + if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_LQ_SS_PARAMS)) rs_set_lq_ss_params(mvm, sta, lq_sta, initial_rate); - if (num_of_ant(initial_rate->ant) == 1) - lq_cmd->single_stream_ant_msk = initial_rate->ant; - mvmsta = iwl_mvm_sta_from_mac80211(sta); mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/rs.h b/kernel/drivers/net/wireless/iwlwifi/mvm/rs.h index e4aa9346a..81314ad9e 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/rs.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/rs.h @@ -1,6 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -316,14 +317,20 @@ struct iwl_lq_sta { u8 max_siso_rate_idx; u8 max_mimo2_rate_idx; + /* Optimal rate based on RSSI and STA caps. + * Used only to reflect link speed to userspace. + */ + struct rs_rate optimal_rate; + unsigned long optimal_rate_mask; + const struct rs_init_rate_info *optimal_rates; + int optimal_nentries; + u8 missed_rate_counter; struct iwl_lq_cmd lq; struct iwl_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ u8 tx_agg_tid_en; - /* used to be in sta_info */ - int last_txrate_idx; /* last tx rate_n_flags */ u32 last_rate_n_flags; /* packets destined for this STA are aggregated */ @@ -343,6 +350,7 @@ struct iwl_lq_sta { #endif u8 chains; s8 chain_signal[IEEE80211_MAX_CHAINS]; + s8 last_rssi; struct rs_rate_stats tx_stats[RS_COLUMN_COUNT][IWL_RATE_COUNT]; struct iwl_mvm *drv; } pers; diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/rx.c b/kernel/drivers/net/wireless/iwlwifi/mvm/rx.c index d6314ddf5..5b58f5320 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/rx.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/rx.c @@ -61,6 +61,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *****************************************************************************/ +#include <linux/skbuff.h> #include "iwl-trans.h" #include "mvm.h" #include "fw-api.h" @@ -71,8 +72,7 @@ * Copies the phy information in mvm->last_phy_info, it will be used when the * actual data will come from the fw in the next packet. */ -int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -86,8 +86,6 @@ int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, spin_unlock(&mvm->drv_stats_lock); } #endif - - return 0; } /* @@ -96,6 +94,7 @@ int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, * Adds the rxb to a new skb and give it to mac80211 */ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, + struct napi_struct *napi, struct sk_buff *skb, struct ieee80211_hdr *hdr, u16 len, u32 ampdu_status, u8 crypt_len, @@ -129,7 +128,7 @@ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, fraglen, rxb->truesize); } - ieee80211_rx(mvm->hw, skb); + ieee80211_rx_napi(mvm->hw, skb, napi); } /* @@ -203,7 +202,6 @@ static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm, return -1; stats->flag |= RX_FLAG_DECRYPTED; - IWL_DEBUG_WEP(mvm, "hw decrypted CCMP successfully\n"); *crypt_len = IEEE80211_CCMP_HDR_LEN; return 0; @@ -237,13 +235,26 @@ static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm, return 0; } +static void iwl_mvm_rx_csum(struct ieee80211_sta *sta, + struct sk_buff *skb, + u32 status) +{ + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); + + if (mvmvif->features & NETIF_F_RXCSUM && + status & RX_MPDU_RES_STATUS_CSUM_DONE && + status & RX_MPDU_RES_STATUS_CSUM_OK) + skb->ip_summed = CHECKSUM_UNNECESSARY; +} + /* * iwl_mvm_rx_rx_mpdu - REPLY_RX_MPDU_CMD handler * * Handles the actual data of the Rx packet from the fw */ -int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb) { struct ieee80211_hdr *hdr; struct ieee80211_rx_status *rx_status; @@ -271,7 +282,7 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, skb = alloc_skb(128, GFP_ATOMIC); if (!skb) { IWL_ERR(mvm, "alloc_skb failed\n"); - return 0; + return; } rx_status = IEEE80211_SKB_RXCB(skb); @@ -284,14 +295,7 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, IWL_DEBUG_DROP(mvm, "Bad decryption results 0x%08x\n", rx_pkt_status); kfree_skb(skb); - return 0; - } - - if ((unlikely(phy_info->cfg_phy_cnt > 20))) { - IWL_DEBUG_DROP(mvm, "dsp size out of range [0,20]: %d\n", - phy_info->cfg_phy_cnt); - kfree_skb(skb); - return 0; + return; } /* @@ -342,8 +346,8 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, /* This is fine since we don't support multiple AP interfaces */ sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL); if (sta) { - struct iwl_mvm_sta *mvmsta; - mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status); if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) && @@ -366,6 +370,9 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, } } + if (sta && ieee80211_is_data(hdr->frame_control)) + iwl_mvm_rx_csum(sta, skb, rx_pkt_status); + rcu_read_unlock(); /* set the preamble flag if appropriate */ @@ -429,9 +436,8 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, iwl_mvm_update_frame_stats(mvm, rate_n_flags, rx_status->flag & RX_FLAG_AMPDU_DETAILS); #endif - iwl_mvm_pass_packet_to_mac80211(mvm, skb, hdr, len, ampdu_status, + iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, hdr, len, ampdu_status, crypt_len, rxb); - return 0; } static void iwl_mvm_update_rx_statistics(struct iwl_mvm *mvm, @@ -445,7 +451,7 @@ static void iwl_mvm_update_rx_statistics(struct iwl_mvm *mvm, struct iwl_mvm_stat_data { struct iwl_mvm *mvm; __le32 mac_id; - __s8 beacon_filter_average_energy; + u8 beacon_filter_average_energy; struct mvm_statistics_general_v8 *general; }; @@ -563,56 +569,33 @@ iwl_mvm_rx_stats_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) { - size_t v8_len = sizeof(struct iwl_notif_statistics_v8); - size_t v10_len = sizeof(struct iwl_notif_statistics_v10); + struct iwl_notif_statistics_v10 *stats = (void *)&pkt->data; struct iwl_mvm_stat_data data = { .mvm = mvm, }; u32 temperature; - if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_STATS_V10) { - struct iwl_notif_statistics_v10 *stats = (void *)&pkt->data; + if (iwl_rx_packet_payload_len(pkt) != sizeof(*stats)) + goto invalid; - if (iwl_rx_packet_payload_len(pkt) != v10_len) - goto invalid; + temperature = le32_to_cpu(stats->general.radio_temperature); + data.mac_id = stats->rx.general.mac_id; + data.beacon_filter_average_energy = + stats->general.beacon_filter_average_energy; - temperature = le32_to_cpu(stats->general.radio_temperature); - data.mac_id = stats->rx.general.mac_id; - data.beacon_filter_average_energy = - stats->general.beacon_filter_average_energy; + iwl_mvm_update_rx_statistics(mvm, &stats->rx); - iwl_mvm_update_rx_statistics(mvm, &stats->rx); - - mvm->radio_stats.rx_time = le64_to_cpu(stats->general.rx_time); - mvm->radio_stats.tx_time = le64_to_cpu(stats->general.tx_time); - mvm->radio_stats.on_time_rf = - le64_to_cpu(stats->general.on_time_rf); - mvm->radio_stats.on_time_scan = - le64_to_cpu(stats->general.on_time_scan); - - data.general = &stats->general; - } else { - struct iwl_notif_statistics_v8 *stats = (void *)&pkt->data; + mvm->radio_stats.rx_time = le64_to_cpu(stats->general.rx_time); + mvm->radio_stats.tx_time = le64_to_cpu(stats->general.tx_time); + mvm->radio_stats.on_time_rf = + le64_to_cpu(stats->general.on_time_rf); + mvm->radio_stats.on_time_scan = + le64_to_cpu(stats->general.on_time_scan); - if (iwl_rx_packet_payload_len(pkt) != v8_len) - goto invalid; - - temperature = le32_to_cpu(stats->general.radio_temperature); - data.mac_id = stats->rx.general.mac_id; - data.beacon_filter_average_energy = - stats->general.beacon_filter_average_energy; - - iwl_mvm_update_rx_statistics(mvm, &stats->rx); - } + data.general = &stats->general; iwl_mvm_rx_stats_check_trigger(mvm, pkt); - /* Only handle rx statistics temperature changes if async temp - * notifications are not supported - */ - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_ASYNC_DTM)) - iwl_mvm_tt_temp_changed(mvm, temperature); - ieee80211_iterate_active_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_stat_iterator, @@ -623,10 +606,7 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, iwl_rx_packet_payload_len(pkt)); } -int iwl_mvm_rx_statistics(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { iwl_mvm_handle_rx_statistics(mvm, rxb_addr(rxb)); - return 0; } diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/scan.c b/kernel/drivers/net/wireless/iwlwifi/mvm/scan.c index 1075a213b..8215d7405 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -67,34 +67,81 @@ #include <net/mac80211.h> #include "mvm.h" -#include "iwl-eeprom-parse.h" #include "fw-api-scan.h" -#define IWL_PLCP_QUIET_THRESH 1 -#define IWL_ACTIVE_QUIET_TIME 10 #define IWL_DENSE_EBS_SCAN_RATIO 5 #define IWL_SPARSE_EBS_SCAN_RATIO 1 -struct iwl_mvm_scan_params { - u32 max_out_time; +enum iwl_mvm_scan_type { + IWL_SCAN_TYPE_UNASSOC, + IWL_SCAN_TYPE_WILD, + IWL_SCAN_TYPE_MILD, + IWL_SCAN_TYPE_FRAGMENTED, +}; + +enum iwl_mvm_traffic_load { + IWL_MVM_TRAFFIC_LOW, + IWL_MVM_TRAFFIC_MEDIUM, + IWL_MVM_TRAFFIC_HIGH, +}; + +struct iwl_mvm_scan_timing_params { + u32 dwell_active; + u32 dwell_passive; + u32 dwell_fragmented; u32 suspend_time; - bool passive_fragmented; - struct _dwell { - u16 passive; - u16 active; - u16 fragmented; - } dwell[IEEE80211_NUM_BANDS]; + u32 max_out_time; }; -enum iwl_umac_scan_uid_type { - IWL_UMAC_SCAN_UID_REG_SCAN = BIT(0), - IWL_UMAC_SCAN_UID_SCHED_SCAN = BIT(1), - IWL_UMAC_SCAN_UID_ALL = IWL_UMAC_SCAN_UID_REG_SCAN | - IWL_UMAC_SCAN_UID_SCHED_SCAN, +static struct iwl_mvm_scan_timing_params scan_timing[] = { + [IWL_SCAN_TYPE_UNASSOC] = { + .dwell_active = 10, + .dwell_passive = 110, + .dwell_fragmented = 44, + .suspend_time = 0, + .max_out_time = 0, + }, + [IWL_SCAN_TYPE_WILD] = { + .dwell_active = 10, + .dwell_passive = 110, + .dwell_fragmented = 44, + .suspend_time = 30, + .max_out_time = 120, + }, + [IWL_SCAN_TYPE_MILD] = { + .dwell_active = 10, + .dwell_passive = 110, + .dwell_fragmented = 44, + .suspend_time = 120, + .max_out_time = 120, + }, + [IWL_SCAN_TYPE_FRAGMENTED] = { + .dwell_active = 10, + .dwell_passive = 110, + .dwell_fragmented = 44, + .suspend_time = 95, + .max_out_time = 44, + }, }; -static int iwl_umac_scan_stop(struct iwl_mvm *mvm, - enum iwl_umac_scan_uid_type type, bool notify); +struct iwl_mvm_scan_params { + enum iwl_mvm_scan_type type; + u32 n_channels; + u16 delay; + int n_ssids; + struct cfg80211_ssid *ssids; + struct ieee80211_channel **channels; + u32 flags; + u8 *mac_addr; + u8 *mac_addr_mask; + bool no_cck; + bool pass_all; + int n_match_sets; + struct iwl_scan_probe_req preq; + struct cfg80211_match_set *match_sets; + int n_scan_plans; + struct cfg80211_sched_scan_plan *scan_plans; +}; static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm) { @@ -142,56 +189,6 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band, return cpu_to_le32(IWL_RATE_6M_PLCP | tx_ant); } -/* - * We insert the SSIDs in an inverted order, because the FW will - * invert it back. The most prioritized SSID, which is first in the - * request list, is not copied here, but inserted directly to the probe - * request. - */ -static void iwl_mvm_scan_fill_ssids(struct iwl_ssid_ie *cmd_ssid, - struct cfg80211_ssid *ssids, - int n_ssids, int first) -{ - int fw_idx, req_idx; - - for (req_idx = n_ssids - 1, fw_idx = 0; req_idx >= first; - req_idx--, fw_idx++) { - cmd_ssid[fw_idx].id = WLAN_EID_SSID; - cmd_ssid[fw_idx].len = ssids[req_idx].ssid_len; - memcpy(cmd_ssid[fw_idx].ssid, - ssids[req_idx].ssid, - ssids[req_idx].ssid_len); - } -} - -/* - * If req->n_ssids > 0, it means we should do an active scan. - * In case of active scan w/o directed scan, we receive a zero-length SSID - * just to notify that this scan is active and not passive. - * In order to notify the FW of the number of SSIDs we wish to scan (including - * the zero-length one), we need to set the corresponding bits in chan->type, - * one for each SSID, and set the active bit (first). If the first SSID is - * already included in the probe template, so we need to set only - * req->n_ssids - 1 bits in addition to the first bit. - */ -static u16 iwl_mvm_get_active_dwell(struct iwl_mvm *mvm, - enum ieee80211_band band, int n_ssids) -{ - if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BASIC_DWELL) - return 10; - if (band == IEEE80211_BAND_2GHZ) - return 20 + 3 * (n_ssids + 1); - return 10 + 2 * (n_ssids + 1); -} - -static u16 iwl_mvm_get_passive_dwell(struct iwl_mvm *mvm, - enum ieee80211_band band) -{ - if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BASIC_DWELL) - return 110; - return band == IEEE80211_BAND_2GHZ ? 100 + 20 : 100 + 10; -} - static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac, struct ieee80211_vif *vif) { @@ -203,85 +200,49 @@ static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac, *global_cnt += 1; } -static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - int n_ssids, u32 flags, - struct iwl_mvm_scan_params *params) +static enum iwl_mvm_traffic_load iwl_mvm_get_traffic_load(struct iwl_mvm *mvm) +{ + return IWL_MVM_TRAFFIC_LOW; +} + +static enum +iwl_mvm_scan_type iwl_mvm_get_scan_type(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params) { int global_cnt = 0; - enum ieee80211_band band; - u8 frag_passive_dwell = 0; + enum iwl_mvm_traffic_load load; + bool low_latency; ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_scan_condition_iterator, &global_cnt); - if (!global_cnt) - goto not_bound; - - params->suspend_time = 30; - params->max_out_time = 120; - - if (iwl_mvm_low_latency(mvm)) { - if (mvm->fw->ucode_capa.api[0] & - IWL_UCODE_TLV_API_FRAGMENTED_SCAN) { - params->suspend_time = 105; - /* - * If there is more than one active interface make - * passive scan more fragmented. - */ - frag_passive_dwell = 40; - params->max_out_time = frag_passive_dwell; - } else { - params->suspend_time = 120; - params->max_out_time = 120; - } - } - - if (frag_passive_dwell && (mvm->fw->ucode_capa.api[0] & - IWL_UCODE_TLV_API_FRAGMENTED_SCAN)) { - /* - * P2P device scan should not be fragmented to avoid negative - * impact on P2P device discovery. Configure max_out_time to be - * equal to dwell time on passive channel. Take a longest - * possible value, one that corresponds to 2GHz band - */ - if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { - u32 passive_dwell = - iwl_mvm_get_passive_dwell(mvm, - IEEE80211_BAND_2GHZ); - params->max_out_time = passive_dwell; - } else { - params->passive_fragmented = true; - } - } + return IWL_SCAN_TYPE_UNASSOC; - if (flags & NL80211_SCAN_FLAG_LOW_PRIORITY) - params->max_out_time = 200; + load = iwl_mvm_get_traffic_load(mvm); + low_latency = iwl_mvm_low_latency(mvm); -not_bound: + if ((load == IWL_MVM_TRAFFIC_HIGH || low_latency) && + vif->type != NL80211_IFTYPE_P2P_DEVICE && + fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_FRAGMENTED_SCAN)) + return IWL_SCAN_TYPE_FRAGMENTED; - for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) { - if (params->passive_fragmented) - params->dwell[band].fragmented = frag_passive_dwell; + if (load >= IWL_MVM_TRAFFIC_MEDIUM || low_latency) + return IWL_SCAN_TYPE_MILD; - params->dwell[band].passive = iwl_mvm_get_passive_dwell(mvm, - band); - params->dwell[band].active = iwl_mvm_get_active_dwell(mvm, band, - n_ssids); - } + return IWL_SCAN_TYPE_WILD; } static inline bool iwl_mvm_rrm_scan_needed(struct iwl_mvm *mvm) { /* require rrm scan whenever the fw supports it */ - return mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT; + return fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT); } -static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm, - bool is_sched_scan) +static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm) { int max_probe_len; @@ -297,9 +258,9 @@ static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm, return max_probe_len; } -int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan) +int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm) { - int max_ie_len = iwl_mvm_max_scan_ie_fw_cmd_room(mvm, is_sched_scan); + int max_ie_len = iwl_mvm_max_scan_ie_fw_cmd_room(mvm); /* TODO: [BUG] This function should return the maximum allowed size of * scan IEs, however the LMAC scan api contains both 2GHZ and 5GHZ IEs @@ -314,66 +275,124 @@ int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan) return max_ie_len; } -int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static u8 *iwl_mvm_dump_channel_list(struct iwl_scan_results_notif *res, + int num_res, u8 *buf, size_t buf_size) +{ + int i; + u8 *pos = buf, *end = buf + buf_size; + + for (i = 0; pos < end && i < num_res; i++) + pos += snprintf(pos, end - pos, " %u", res[i].channel); + + /* terminate the string in case the buffer was too short */ + *(buf + buf_size - 1) = '\0'; + + return buf; +} + +void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_lmac_scan_complete_notif *notif = (void *)pkt->data; + u8 buf[256]; IWL_DEBUG_SCAN(mvm, - "Scan offload iteration complete: status=0x%x scanned channels=%d\n", - notif->status, notif->scanned_channels); - return 0; + "Scan offload iteration complete: status=0x%x scanned channels=%d channels list: %s\n", + notif->status, notif->scanned_channels, + iwl_mvm_dump_channel_list(notif->results, + notif->scanned_channels, buf, + sizeof(buf))); } -int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { IWL_DEBUG_SCAN(mvm, "Scheduled scan results\n"); ieee80211_sched_scan_results(mvm->hw); +} - return 0; +static const char *iwl_mvm_ebs_status_str(enum iwl_scan_ebs_status status) +{ + switch (status) { + case IWL_SCAN_EBS_SUCCESS: + return "successful"; + case IWL_SCAN_EBS_INACTIVE: + return "inactive"; + case IWL_SCAN_EBS_FAILED: + case IWL_SCAN_EBS_CHAN_NOT_FOUND: + default: + return "failed"; + } } -int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_periodic_scan_complete *scan_notif; - - scan_notif = (void *)pkt->data; + struct iwl_periodic_scan_complete *scan_notif = (void *)pkt->data; + bool aborted = (scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED); /* scan status must be locked for proper checking */ lockdep_assert_held(&mvm->mutex); - IWL_DEBUG_SCAN(mvm, - "%s completed, status %s, EBS status %s\n", - mvm->scan_status == IWL_MVM_SCAN_SCHED ? - "Scheduled scan" : "Scan", - scan_notif->status == IWL_SCAN_OFFLOAD_COMPLETED ? - "completed" : "aborted", - scan_notif->ebs_status == IWL_SCAN_EBS_SUCCESS ? - "success" : "failed"); + /* We first check if we were stopping a scan, in which case we + * just clear the stopping flag. Then we check if it was a + * firmware initiated stop, in which case we need to inform + * mac80211. + * Note that we can have a stopping and a running scan + * simultaneously, but we can't have two different types of + * scans stopping or running at the same time (since LMAC + * doesn't support it). + */ + if (mvm->scan_status & IWL_MVM_SCAN_STOPPING_SCHED) { + WARN_ON_ONCE(mvm->scan_status & IWL_MVM_SCAN_STOPPING_REGULAR); - /* only call mac80211 completion if the stop was initiated by FW */ - if (mvm->scan_status == IWL_MVM_SCAN_SCHED) { - mvm->scan_status = IWL_MVM_SCAN_NONE; + IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s\n", + aborted ? "aborted" : "completed", + iwl_mvm_ebs_status_str(scan_notif->ebs_status)); + IWL_DEBUG_SCAN(mvm, + "Last line %d, Last iteration %d, Time after last iteration %d\n", + scan_notif->last_schedule_line, + scan_notif->last_schedule_iteration, + __le32_to_cpu(scan_notif->time_after_last_iter)); + + mvm->scan_status &= ~IWL_MVM_SCAN_STOPPING_SCHED; + } else if (mvm->scan_status & IWL_MVM_SCAN_STOPPING_REGULAR) { + IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s\n", + aborted ? "aborted" : "completed", + iwl_mvm_ebs_status_str(scan_notif->ebs_status)); + + mvm->scan_status &= ~IWL_MVM_SCAN_STOPPING_REGULAR; + } else if (mvm->scan_status & IWL_MVM_SCAN_SCHED) { + WARN_ON_ONCE(mvm->scan_status & IWL_MVM_SCAN_REGULAR); + + IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s\n", + aborted ? "aborted" : "completed", + iwl_mvm_ebs_status_str(scan_notif->ebs_status)); + IWL_DEBUG_SCAN(mvm, + "Last line %d, Last iteration %d, Time after last iteration %d (FW)\n", + scan_notif->last_schedule_line, + scan_notif->last_schedule_iteration, + __le32_to_cpu(scan_notif->time_after_last_iter)); + + mvm->scan_status &= ~IWL_MVM_SCAN_SCHED; ieee80211_sched_scan_stopped(mvm->hw); - } else if (mvm->scan_status == IWL_MVM_SCAN_OS) { - mvm->scan_status = IWL_MVM_SCAN_NONE; + } else if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) { + IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s (FW)\n", + aborted ? "aborted" : "completed", + iwl_mvm_ebs_status_str(scan_notif->ebs_status)); + + mvm->scan_status &= ~IWL_MVM_SCAN_REGULAR; ieee80211_scan_completed(mvm->hw, scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED); iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); } - if (scan_notif->ebs_status) - mvm->last_ebs_successful = false; - - return 0; + mvm->last_ebs_successful = + scan_notif->ebs_status == IWL_SCAN_EBS_SUCCESS || + scan_notif->ebs_status == IWL_SCAN_EBS_INACTIVE; } static int iwl_ssid_exist(u8 *ssid, u8 ssid_len, struct iwl_ssid_ie *ssid_list) @@ -390,9 +409,12 @@ static int iwl_ssid_exist(u8 *ssid, u8 ssid_len, struct iwl_ssid_ie *ssid_list) return -1; } -static void iwl_scan_offload_build_ssid(struct cfg80211_sched_scan_request *req, - struct iwl_ssid_ie *direct_scan, - u32 *ssid_bitmap, bool basic_ssid) +/* We insert the SSIDs in an inverted order, because the FW will + * invert it back. + */ +static void iwl_scan_build_ssids(struct iwl_mvm_scan_params *params, + struct iwl_ssid_ie *ssids, + u32 *ssid_bitmap) { int i, j; int index; @@ -402,39 +424,41 @@ static void iwl_scan_offload_build_ssid(struct cfg80211_sched_scan_request *req, * iwl_config_sched_scan_profiles() uses the order of these ssids to * config match list. */ - for (i = 0; i < req->n_match_sets && i < PROBE_OPTION_MAX; i++) { + for (i = 0, j = params->n_match_sets - 1; + j >= 0 && i < PROBE_OPTION_MAX; + i++, j--) { /* skip empty SSID matchsets */ - if (!req->match_sets[i].ssid.ssid_len) + if (!params->match_sets[j].ssid.ssid_len) continue; - direct_scan[i].id = WLAN_EID_SSID; - direct_scan[i].len = req->match_sets[i].ssid.ssid_len; - memcpy(direct_scan[i].ssid, req->match_sets[i].ssid.ssid, - direct_scan[i].len); + ssids[i].id = WLAN_EID_SSID; + ssids[i].len = params->match_sets[j].ssid.ssid_len; + memcpy(ssids[i].ssid, params->match_sets[j].ssid.ssid, + ssids[i].len); } /* add SSIDs from scan SSID list */ *ssid_bitmap = 0; - for (j = 0; j < req->n_ssids && i < PROBE_OPTION_MAX; j++) { - index = iwl_ssid_exist(req->ssids[j].ssid, - req->ssids[j].ssid_len, - direct_scan); + for (j = params->n_ssids - 1; + j >= 0 && i < PROBE_OPTION_MAX; + i++, j--) { + index = iwl_ssid_exist(params->ssids[j].ssid, + params->ssids[j].ssid_len, + ssids); if (index < 0) { - if (!req->ssids[j].ssid_len && basic_ssid) - continue; - direct_scan[i].id = WLAN_EID_SSID; - direct_scan[i].len = req->ssids[j].ssid_len; - memcpy(direct_scan[i].ssid, req->ssids[j].ssid, - direct_scan[i].len); - *ssid_bitmap |= BIT(i + 1); - i++; + ssids[i].id = WLAN_EID_SSID; + ssids[i].len = params->ssids[j].ssid_len; + memcpy(ssids[i].ssid, params->ssids[j].ssid, + ssids[i].len); + *ssid_bitmap |= BIT(i); } else { - *ssid_bitmap |= BIT(index + 1); + *ssid_bitmap |= BIT(index); } } } -int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, - struct cfg80211_sched_scan_request *req) +static int +iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, + struct cfg80211_sched_scan_request *req) { struct iwl_scan_offload_profile *profile; struct iwl_scan_offload_profile_cfg *profile_cfg; @@ -450,7 +474,7 @@ int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, int ret; if (WARN_ON(req->n_match_sets > IWL_SCAN_MAX_PROFILES)) - return -EIO; + return -EIO; if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SHORT_BL) blacklist_len = IWL_SCAN_SHORT_BLACKLIST_LEN; @@ -515,30 +539,7 @@ static bool iwl_mvm_scan_pass_all(struct iwl_mvm *mvm, return true; } -int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct cfg80211_sched_scan_request *req, - struct ieee80211_scan_ies *ies) -{ - int ret; - - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) { - ret = iwl_mvm_config_sched_scan_profiles(mvm, req); - if (ret) - return ret; - ret = iwl_mvm_sched_scan_umac(mvm, vif, req, ies); - } else { - mvm->scan_status = IWL_MVM_SCAN_SCHED; - ret = iwl_mvm_config_sched_scan_profiles(mvm, req); - if (ret) - return ret; - ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies); - } - - return ret; -} - -static int iwl_mvm_send_scan_offload_abort(struct iwl_mvm *mvm) +static int iwl_mvm_lmac_scan_abort(struct iwl_mvm *mvm) { int ret; struct iwl_host_cmd cmd = { @@ -546,12 +547,6 @@ static int iwl_mvm_send_scan_offload_abort(struct iwl_mvm *mvm) }; u32 status; - /* Exit instantly with error when device is not ready - * to receive scan abort command or it does not perform - * scheduled scan currently */ - if (mvm->scan_status == IWL_MVM_SCAN_NONE) - return -EIO; - ret = iwl_mvm_send_cmd_status(mvm, &cmd, &status); if (ret) return ret; @@ -571,69 +566,9 @@ static int iwl_mvm_send_scan_offload_abort(struct iwl_mvm *mvm) return ret; } -int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify) -{ - int ret; - struct iwl_notification_wait wait_scan_done; - static const u8 scan_done_notif[] = { SCAN_OFFLOAD_COMPLETE, }; - bool sched = mvm->scan_status == IWL_MVM_SCAN_SCHED; - - lockdep_assert_held(&mvm->mutex); - - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) - return iwl_umac_scan_stop(mvm, IWL_UMAC_SCAN_UID_SCHED_SCAN, - notify); - - if (mvm->scan_status == IWL_MVM_SCAN_NONE) - return 0; - - if (iwl_mvm_is_radio_killed(mvm)) { - ret = 0; - goto out; - } - - iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_done, - scan_done_notif, - ARRAY_SIZE(scan_done_notif), - NULL, NULL); - - ret = iwl_mvm_send_scan_offload_abort(mvm); - if (ret) { - IWL_DEBUG_SCAN(mvm, "Send stop %sscan failed %d\n", - sched ? "offloaded " : "", ret); - iwl_remove_notification(&mvm->notif_wait, &wait_scan_done); - goto out; - } - - IWL_DEBUG_SCAN(mvm, "Successfully sent stop %sscan\n", - sched ? "offloaded " : ""); - - ret = iwl_wait_notification(&mvm->notif_wait, &wait_scan_done, 1 * HZ); -out: - /* - * Clear the scan status so the next scan requests will succeed. This - * also ensures the Rx handler doesn't do anything, as the scan was - * stopped from above. Since the rx handler won't do anything now, - * we have to release the scan reference here. - */ - if (mvm->scan_status == IWL_MVM_SCAN_OS) - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - - mvm->scan_status = IWL_MVM_SCAN_NONE; - - if (notify) { - if (sched) - ieee80211_sched_scan_stopped(mvm->hw); - else - ieee80211_scan_completed(mvm->hw, true); - } - - return ret; -} - -static void iwl_mvm_unified_scan_fill_tx_cmd(struct iwl_mvm *mvm, - struct iwl_scan_req_tx_cmd *tx_cmd, - bool no_cck) +static void iwl_mvm_scan_fill_tx_cmd(struct iwl_mvm *mvm, + struct iwl_scan_req_tx_cmd *tx_cmd, + bool no_cck) { tx_cmd[0].tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | TX_CMD_FLG_BT_DIS); @@ -654,7 +589,7 @@ static void iwl_mvm_lmac_scan_cfg_channels(struct iwl_mvm *mvm, struct ieee80211_channel **channels, int n_channels, u32 ssid_bitmap, - struct iwl_scan_req_unified_lmac *cmd) + struct iwl_scan_req_lmac *cmd) { struct iwl_scan_channel_cfg_lmac *channel_cfg = (void *)&cmd->data; int i; @@ -707,13 +642,14 @@ static u8 *iwl_mvm_copy_and_insert_ds_elem(struct iwl_mvm *mvm, const u8 *ies, } static void -iwl_mvm_build_unified_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct ieee80211_scan_ies *ies, - struct iwl_scan_probe_req *preq, - const u8 *mac_addr, const u8 *mac_addr_mask) +iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_scan_ies *ies, + struct iwl_mvm_scan_params *params) { - struct ieee80211_mgmt *frame = (struct ieee80211_mgmt *)preq->buf; + struct ieee80211_mgmt *frame = (void *)params->preq.buf; u8 *pos, *newpos; + const u8 *mac_addr = params->flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? + params->mac_addr : NULL; /* * Unfortunately, right now the offload scan doesn't support randomising @@ -722,7 +658,8 @@ iwl_mvm_build_unified_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, * random, only when it's restarted, but at least that helps a bit. */ if (mac_addr) - get_random_mask_addr(frame->sa, mac_addr, mac_addr_mask); + get_random_mask_addr(frame->sa, mac_addr, + params->mac_addr_mask); else memcpy(frame->sa, vif->addr, ETH_ALEN); @@ -735,245 +672,172 @@ iwl_mvm_build_unified_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, *pos++ = WLAN_EID_SSID; *pos++ = 0; - preq->mac_header.offset = 0; - preq->mac_header.len = cpu_to_le16(24 + 2); + params->preq.mac_header.offset = 0; + params->preq.mac_header.len = cpu_to_le16(24 + 2); /* Insert ds parameter set element on 2.4 GHz band */ newpos = iwl_mvm_copy_and_insert_ds_elem(mvm, ies->ies[IEEE80211_BAND_2GHZ], ies->len[IEEE80211_BAND_2GHZ], pos); - preq->band_data[0].offset = cpu_to_le16(pos - preq->buf); - preq->band_data[0].len = cpu_to_le16(newpos - pos); + params->preq.band_data[0].offset = cpu_to_le16(pos - params->preq.buf); + params->preq.band_data[0].len = cpu_to_le16(newpos - pos); pos = newpos; memcpy(pos, ies->ies[IEEE80211_BAND_5GHZ], ies->len[IEEE80211_BAND_5GHZ]); - preq->band_data[1].offset = cpu_to_le16(pos - preq->buf); - preq->band_data[1].len = cpu_to_le16(ies->len[IEEE80211_BAND_5GHZ]); + params->preq.band_data[1].offset = cpu_to_le16(pos - params->preq.buf); + params->preq.band_data[1].len = + cpu_to_le16(ies->len[IEEE80211_BAND_5GHZ]); pos += ies->len[IEEE80211_BAND_5GHZ]; memcpy(pos, ies->common_ies, ies->common_ie_len); - preq->common_data.offset = cpu_to_le16(pos - preq->buf); - preq->common_data.len = cpu_to_le16(ies->common_ie_len); + params->preq.common_data.offset = cpu_to_le16(pos - params->preq.buf); + params->preq.common_data.len = cpu_to_le16(ies->common_ie_len); } -static void -iwl_mvm_build_generic_unified_scan_cmd(struct iwl_mvm *mvm, - struct iwl_scan_req_unified_lmac *cmd, - struct iwl_mvm_scan_params *params) +static __le32 iwl_mvm_scan_priority(struct iwl_mvm *mvm, + enum iwl_scan_priority_ext prio) { - memset(cmd, 0, ksize(cmd)); - cmd->active_dwell = params->dwell[IEEE80211_BAND_2GHZ].active; - cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive; - if (params->passive_fragmented) - cmd->fragmented_dwell = - params->dwell[IEEE80211_BAND_2GHZ].fragmented; - cmd->rx_chain_select = iwl_mvm_scan_rx_chain(mvm); - cmd->max_out_time = cpu_to_le32(params->max_out_time); - cmd->suspend_time = cpu_to_le32(params->suspend_time); - cmd->scan_prio = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH); - cmd->iter_num = cpu_to_le32(1); + if (fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY)) + return cpu_to_le32(prio); - if (iwl_mvm_rrm_scan_needed(mvm)) - cmd->scan_flags |= - cpu_to_le32(IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED); -} + if (prio <= IWL_SCAN_PRIORITY_EXT_2) + return cpu_to_le32(IWL_SCAN_PRIORITY_LOW); -int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct ieee80211_scan_request *req) -{ - struct iwl_host_cmd hcmd = { - .id = SCAN_OFFLOAD_REQUEST_CMD, - .len = { sizeof(struct iwl_scan_req_unified_lmac) + - sizeof(struct iwl_scan_channel_cfg_lmac) * - mvm->fw->ucode_capa.n_scan_channels + - sizeof(struct iwl_scan_probe_req), }, - .data = { mvm->scan_cmd, }, - .dataflags = { IWL_HCMD_DFL_NOCOPY, }, - }; - struct iwl_scan_req_unified_lmac *cmd = mvm->scan_cmd; - struct iwl_scan_probe_req *preq; - struct iwl_mvm_scan_params params = {}; - u32 flags; - u32 ssid_bitmap = 0; - int ret, i; + if (prio <= IWL_SCAN_PRIORITY_EXT_4) + return cpu_to_le32(IWL_SCAN_PRIORITY_MEDIUM); - lockdep_assert_held(&mvm->mutex); - - /* we should have failed registration if scan_cmd was NULL */ - if (WARN_ON(mvm->scan_cmd == NULL)) - return -ENOMEM; + return cpu_to_le32(IWL_SCAN_PRIORITY_HIGH); +} - if (req->req.n_ssids > PROBE_OPTION_MAX || - req->ies.common_ie_len + req->ies.len[NL80211_BAND_2GHZ] + - req->ies.len[NL80211_BAND_5GHZ] > - iwl_mvm_max_scan_ie_fw_cmd_room(mvm, false) || - req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) - return -ENOBUFS; +static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm, + struct iwl_scan_req_lmac *cmd, + struct iwl_mvm_scan_params *params) +{ + cmd->active_dwell = scan_timing[params->type].dwell_active; + cmd->passive_dwell = scan_timing[params->type].dwell_passive; + cmd->fragmented_dwell = scan_timing[params->type].dwell_fragmented; + cmd->max_out_time = cpu_to_le32(scan_timing[params->type].max_out_time); + cmd->suspend_time = cpu_to_le32(scan_timing[params->type].suspend_time); + cmd->scan_prio = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); +} - mvm->scan_status = IWL_MVM_SCAN_OS; +static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids, + struct ieee80211_scan_ies *ies, + int n_channels) +{ + return ((n_ssids <= PROBE_OPTION_MAX) && + (n_channels <= mvm->fw->ucode_capa.n_scan_channels) & + (ies->common_ie_len + + ies->len[NL80211_BAND_2GHZ] + + ies->len[NL80211_BAND_5GHZ] <= + iwl_mvm_max_scan_ie_fw_cmd_room(mvm))); +} - iwl_mvm_scan_calc_params(mvm, vif, req->req.n_ssids, req->req.flags, - ¶ms); +static inline bool iwl_mvm_scan_use_ebs(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + const struct iwl_ucode_capabilities *capa = &mvm->fw->ucode_capa; - iwl_mvm_build_generic_unified_scan_cmd(mvm, cmd, ¶ms); + /* We can only use EBS if: + * 1. the feature is supported; + * 2. the last EBS was successful; + * 3. if only single scan, the single scan EBS API is supported; + * 4. it's not a p2p find operation. + */ + return ((capa->flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT) && + mvm->last_ebs_successful && + vif->type != NL80211_IFTYPE_P2P_DEVICE); +} - cmd->n_channels = (u8)req->req.n_channels; +static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm, + struct iwl_mvm_scan_params *params) +{ + int flags = 0; - flags = IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL; + if (params->n_ssids == 0) + flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE; - if (req->req.n_ssids == 1 && req->req.ssids[0].ssid_len != 0) + if (params->n_ssids == 1 && params->ssids[0].ssid_len != 0) flags |= IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION; - if (params.passive_fragmented) + if (params->type == IWL_SCAN_TYPE_FRAGMENTED) flags |= IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED; - if (req->req.n_ssids == 0) - flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE; - - cmd->scan_flags |= cpu_to_le32(flags); - - cmd->flags = iwl_mvm_scan_rxon_flags(req->req.channels[0]->band); - cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP | - MAC_FILTER_IN_BEACON); - iwl_mvm_unified_scan_fill_tx_cmd(mvm, cmd->tx_cmd, req->req.no_cck); - iwl_mvm_scan_fill_ssids(cmd->direct_scan, req->req.ssids, - req->req.n_ssids, 0); - - cmd->schedule[0].delay = 0; - cmd->schedule[0].iterations = 1; - cmd->schedule[0].full_scan_mul = 0; - cmd->schedule[1].delay = 0; - cmd->schedule[1].iterations = 0; - cmd->schedule[1].full_scan_mul = 0; - - if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SINGLE_SCAN_EBS && - mvm->last_ebs_successful) { - cmd->channel_opt[0].flags = - cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS | - IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | - IWL_SCAN_CHANNEL_FLAG_CACHE_ADD); - cmd->channel_opt[0].non_ebs_ratio = - cpu_to_le16(IWL_DENSE_EBS_SCAN_RATIO); - cmd->channel_opt[1].flags = - cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS | - IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | - IWL_SCAN_CHANNEL_FLAG_CACHE_ADD); - cmd->channel_opt[1].non_ebs_ratio = - cpu_to_le16(IWL_SPARSE_EBS_SCAN_RATIO); - } - - for (i = 1; i <= req->req.n_ssids; i++) - ssid_bitmap |= BIT(i); - - iwl_mvm_lmac_scan_cfg_channels(mvm, req->req.channels, - req->req.n_channels, ssid_bitmap, - cmd); + if (iwl_mvm_rrm_scan_needed(mvm)) + flags |= IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED; - preq = (void *)(cmd->data + sizeof(struct iwl_scan_channel_cfg_lmac) * - mvm->fw->ucode_capa.n_scan_channels); + if (params->pass_all) + flags |= IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL; + else + flags |= IWL_MVM_LMAC_SCAN_FLAG_MATCH; - iwl_mvm_build_unified_scan_probe(mvm, vif, &req->ies, preq, - req->req.flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? - req->req.mac_addr : NULL, - req->req.mac_addr_mask); +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (mvm->scan_iter_notif_enabled) + flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE; +#endif - ret = iwl_mvm_send_cmd(mvm, &hcmd); - if (!ret) { - IWL_DEBUG_SCAN(mvm, "Scan request was sent successfully\n"); - } else { - /* - * If the scan failed, it usually means that the FW was unable - * to allocate the time events. Warn on it, but maybe we - * should try to send the command again with different params. - */ - IWL_ERR(mvm, "Scan failed! ret %d\n", ret); - mvm->scan_status = IWL_MVM_SCAN_NONE; - ret = -EIO; - } - return ret; + return flags; } -int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct cfg80211_sched_scan_request *req, - struct ieee80211_scan_ies *ies) +static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params) { - struct iwl_host_cmd hcmd = { - .id = SCAN_OFFLOAD_REQUEST_CMD, - .len = { sizeof(struct iwl_scan_req_unified_lmac) + - sizeof(struct iwl_scan_channel_cfg_lmac) * - mvm->fw->ucode_capa.n_scan_channels + - sizeof(struct iwl_scan_probe_req), }, - .data = { mvm->scan_cmd, }, - .dataflags = { IWL_HCMD_DFL_NOCOPY, }, - }; - struct iwl_scan_req_unified_lmac *cmd = mvm->scan_cmd; - struct iwl_scan_probe_req *preq; - struct iwl_mvm_scan_params params = {}; - int ret; - u32 flags = 0, ssid_bitmap = 0; + struct iwl_scan_req_lmac *cmd = mvm->scan_cmd; + struct iwl_scan_probe_req *preq = + (void *)(cmd->data + sizeof(struct iwl_scan_channel_cfg_lmac) * + mvm->fw->ucode_capa.n_scan_channels); + u32 ssid_bitmap = 0; + int i; lockdep_assert_held(&mvm->mutex); - /* we should have failed registration if scan_cmd was NULL */ - if (WARN_ON(mvm->scan_cmd == NULL)) - return -ENOMEM; - - if (req->n_ssids > PROBE_OPTION_MAX || - ies->common_ie_len + ies->len[NL80211_BAND_2GHZ] + - ies->len[NL80211_BAND_5GHZ] > - iwl_mvm_max_scan_ie_fw_cmd_room(mvm, true) || - req->n_channels > mvm->fw->ucode_capa.n_scan_channels) - return -ENOBUFS; - - iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, 0, ¶ms); - - iwl_mvm_build_generic_unified_scan_cmd(mvm, cmd, ¶ms); - - cmd->n_channels = (u8)req->n_channels; - - cmd->delay = cpu_to_le32(req->delay); - - if (iwl_mvm_scan_pass_all(mvm, req)) - flags |= IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL; - else - flags |= IWL_MVM_LMAC_SCAN_FLAG_MATCH; + memset(cmd, 0, ksize(cmd)); - if (req->n_ssids == 1 && req->ssids[0].ssid_len != 0) - flags |= IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION; + if (WARN_ON(params->n_scan_plans > IWL_MAX_SCHED_SCAN_PLANS)) + return -EINVAL; - if (params.passive_fragmented) - flags |= IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED; + iwl_mvm_scan_lmac_dwell(mvm, cmd, params); - if (req->n_ssids == 0) - flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE; + cmd->rx_chain_select = iwl_mvm_scan_rx_chain(mvm); + cmd->iter_num = cpu_to_le32(1); + cmd->n_channels = (u8)params->n_channels; -#ifdef CONFIG_IWLWIFI_DEBUGFS - if (mvm->scan_iter_notif_enabled) - flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE; -#endif + cmd->delay = cpu_to_le32(params->delay); - cmd->scan_flags |= cpu_to_le32(flags); + cmd->scan_flags = cpu_to_le32(iwl_mvm_scan_lmac_flags(mvm, params)); - cmd->flags = iwl_mvm_scan_rxon_flags(req->channels[0]->band); + cmd->flags = iwl_mvm_scan_rxon_flags(params->channels[0]->band); cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP | MAC_FILTER_IN_BEACON); - iwl_mvm_unified_scan_fill_tx_cmd(mvm, cmd->tx_cmd, false); - iwl_scan_offload_build_ssid(req, cmd->direct_scan, &ssid_bitmap, false); + iwl_mvm_scan_fill_tx_cmd(mvm, cmd->tx_cmd, params->no_cck); + iwl_scan_build_ssids(params, cmd->direct_scan, &ssid_bitmap); - cmd->schedule[0].delay = cpu_to_le16(req->interval / MSEC_PER_SEC); - cmd->schedule[0].iterations = IWL_FAST_SCHED_SCAN_ITERATIONS; - cmd->schedule[0].full_scan_mul = 1; + /* this API uses bits 1-20 instead of 0-19 */ + ssid_bitmap <<= 1; - cmd->schedule[1].delay = cpu_to_le16(req->interval / MSEC_PER_SEC); - cmd->schedule[1].iterations = 0xff; - cmd->schedule[1].full_scan_mul = IWL_FULL_SCAN_MULTIPLIER; + for (i = 0; i < params->n_scan_plans; i++) { + struct cfg80211_sched_scan_plan *scan_plan = + ¶ms->scan_plans[i]; + + cmd->schedule[i].delay = + cpu_to_le16(scan_plan->interval); + cmd->schedule[i].iterations = scan_plan->iterations; + cmd->schedule[i].full_scan_mul = 1; + } + + /* + * If the number of iterations of the last scan plan is set to + * zero, it should run infinitely. However, this is not always the case. + * For example, when regular scan is requested the driver sets one scan + * plan with one iteration. + */ + if (!cmd->schedule[i - 1].iterations) + cmd->schedule[i - 1].iterations = 0xff; - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT && - mvm->last_ebs_successful) { + if (iwl_mvm_scan_use_ebs(mvm, vif)) { cmd->channel_opt[0].flags = cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS | IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | @@ -988,61 +852,14 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm, cpu_to_le16(IWL_SPARSE_EBS_SCAN_RATIO); } - iwl_mvm_lmac_scan_cfg_channels(mvm, req->channels, req->n_channels, - ssid_bitmap, cmd); + iwl_mvm_lmac_scan_cfg_channels(mvm, params->channels, + params->n_channels, ssid_bitmap, cmd); - preq = (void *)(cmd->data + sizeof(struct iwl_scan_channel_cfg_lmac) * - mvm->fw->ucode_capa.n_scan_channels); + *preq = params->preq; - iwl_mvm_build_unified_scan_probe(mvm, vif, ies, preq, - req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? - req->mac_addr : NULL, - req->mac_addr_mask); - - ret = iwl_mvm_send_cmd(mvm, &hcmd); - if (!ret) { - IWL_DEBUG_SCAN(mvm, - "Sched scan request was sent successfully\n"); - } else { - /* - * If the scan failed, it usually means that the FW was unable - * to allocate the time events. Warn on it, but maybe we - * should try to send the command again with different params. - */ - IWL_ERR(mvm, "Sched scan failed! ret %d\n", ret); - mvm->scan_status = IWL_MVM_SCAN_NONE; - ret = -EIO; - } - return ret; -} - - -int iwl_mvm_cancel_scan(struct iwl_mvm *mvm) -{ - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) - return iwl_umac_scan_stop(mvm, IWL_UMAC_SCAN_UID_REG_SCAN, - true); - - if (mvm->scan_status == IWL_MVM_SCAN_NONE) - return 0; - - if (iwl_mvm_is_radio_killed(mvm)) { - ieee80211_scan_completed(mvm->hw, true); - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - mvm->scan_status = IWL_MVM_SCAN_NONE; - return 0; - } - - return iwl_mvm_scan_offload_stop(mvm, true); + return 0; } -/* UMAC scan API */ - -struct iwl_umac_scan_done { - struct iwl_mvm *mvm; - enum iwl_umac_scan_uid_type type; -}; - static int rate_to_scan_rate_flag(unsigned int rate) { static const int rate_to_scan_rate[IWL_RATE_COUNT] = { @@ -1084,15 +901,14 @@ static __le32 iwl_mvm_scan_config_rates(struct iwl_mvm *mvm) int iwl_mvm_config_scan(struct iwl_mvm *mvm) { - struct iwl_scan_config *scan_config; struct ieee80211_supported_band *band; int num_channels = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels + mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels; - int ret, i, j = 0, cmd_size, data_size; + int ret, i, j = 0, cmd_size; struct iwl_host_cmd cmd = { - .id = SCAN_CFG_CMD, + .id = iwl_cmd_id(SCAN_CFG_CMD, IWL_ALWAYS_LONG_GROUP, 0), }; if (WARN_ON(num_channels > mvm->fw->ucode_capa.n_scan_channels)) @@ -1104,8 +920,6 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) if (!scan_config) return -ENOMEM; - data_size = cmd_size - sizeof(struct iwl_mvm_umac_cmd_hdr); - scan_config->hdr.size = cpu_to_le16(data_size); scan_config->flags = cpu_to_le32(SCAN_CONFIG_FLAG_ACTIVATE | SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS | SCAN_CONFIG_FLAG_SET_TX_CHAINS | @@ -1151,87 +965,41 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) return ret; } -static int iwl_mvm_find_scan_uid(struct iwl_mvm *mvm, u32 uid) +static int iwl_mvm_scan_uid_by_status(struct iwl_mvm *mvm, int status) { int i; - for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) - if (mvm->scan_uid[i] == uid) + for (i = 0; i < mvm->max_scans; i++) + if (mvm->scan_uid_status[i] == status) return i; - return i; -} - -static int iwl_mvm_find_free_scan_uid(struct iwl_mvm *mvm) -{ - return iwl_mvm_find_scan_uid(mvm, 0); + return -ENOENT; } -static bool iwl_mvm_find_scan_type(struct iwl_mvm *mvm, - enum iwl_umac_scan_uid_type type) +static inline bool iwl_mvm_is_regular_scan(struct iwl_mvm_scan_params *params) { - int i; - - for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) - if (mvm->scan_uid[i] & type) - return true; - - return false; + return params->n_scan_plans == 1 && + params->scan_plans[0].iterations == 1; } -static int iwl_mvm_find_first_scan(struct iwl_mvm *mvm, - enum iwl_umac_scan_uid_type type) -{ - int i; - - for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) - if (mvm->scan_uid[i] & type) - return i; - - return i; -} - -static u32 iwl_generate_scan_uid(struct iwl_mvm *mvm, - enum iwl_umac_scan_uid_type type) -{ - u32 uid; - - /* make sure exactly one bit is on in scan type */ - WARN_ON(hweight8(type) != 1); - - /* - * Make sure scan uids are unique. If one scan lasts long time while - * others are completing frequently, the seq number will wrap up and - * we may have more than one scan with the same uid. - */ - do { - uid = type | (mvm->scan_seq_num << - IWL_UMAC_SCAN_UID_SEQ_OFFSET); - mvm->scan_seq_num++; - } while (iwl_mvm_find_scan_uid(mvm, uid) < - IWL_MVM_MAX_SIMULTANEOUS_SCANS); - - IWL_DEBUG_SCAN(mvm, "Generated scan UID %u\n", uid); - - return uid; -} - -static void -iwl_mvm_build_generic_umac_scan_cmd(struct iwl_mvm *mvm, +static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm, struct iwl_scan_req_umac *cmd, struct iwl_mvm_scan_params *params) { - memset(cmd, 0, ksize(cmd)); - cmd->hdr.size = cpu_to_le16(iwl_mvm_scan_size(mvm) - - sizeof(struct iwl_mvm_umac_cmd_hdr)); - cmd->active_dwell = params->dwell[IEEE80211_BAND_2GHZ].active; - cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive; - if (params->passive_fragmented) - cmd->fragmented_dwell = - params->dwell[IEEE80211_BAND_2GHZ].fragmented; - cmd->max_out_time = cpu_to_le32(params->max_out_time); - cmd->suspend_time = cpu_to_le32(params->suspend_time); - cmd->scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH); + cmd->active_dwell = scan_timing[params->type].dwell_active; + cmd->passive_dwell = scan_timing[params->type].dwell_passive; + cmd->fragmented_dwell = scan_timing[params->type].dwell_fragmented; + cmd->max_out_time = cpu_to_le32(scan_timing[params->type].max_out_time); + cmd->suspend_time = cpu_to_le32(scan_timing[params->type].suspend_time); + cmd->scan_priority = + iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); + + if (iwl_mvm_is_regular_scan(params)) + cmd->ooc_priority = + iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); + else + cmd->ooc_priority = + iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_2); } static void @@ -1251,384 +1019,457 @@ iwl_mvm_umac_scan_cfg_channels(struct iwl_mvm *mvm, } } -static u32 iwl_mvm_scan_umac_common_flags(struct iwl_mvm *mvm, int n_ssids, - struct cfg80211_ssid *ssids, - int fragmented) +static u32 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm, + struct iwl_mvm_scan_params *params) { int flags = 0; - if (n_ssids == 0) + if (params->n_ssids == 0) flags = IWL_UMAC_SCAN_GEN_FLAGS_PASSIVE; - if (n_ssids == 1 && ssids[0].ssid_len != 0) + if (params->n_ssids == 1 && params->ssids[0].ssid_len != 0) flags |= IWL_UMAC_SCAN_GEN_FLAGS_PRE_CONNECT; - if (fragmented) + if (params->type == IWL_SCAN_TYPE_FRAGMENTED) flags |= IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED; if (iwl_mvm_rrm_scan_needed(mvm)) flags |= IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED; + if (params->pass_all) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL; + else + flags |= IWL_UMAC_SCAN_GEN_FLAGS_MATCH; + + if (!iwl_mvm_is_regular_scan(params)) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_PERIODIC; + +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (mvm->scan_iter_notif_enabled) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE; +#endif return flags; } -int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct ieee80211_scan_request *req) +static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params, + int type) { - struct iwl_host_cmd hcmd = { - .id = SCAN_REQ_UMAC, - .len = { iwl_mvm_scan_size(mvm), }, - .data = { mvm->scan_cmd, }, - .dataflags = { IWL_HCMD_DFL_NOCOPY, }, - }; struct iwl_scan_req_umac *cmd = mvm->scan_cmd; struct iwl_scan_req_umac_tail *sec_part = (void *)&cmd->data + sizeof(struct iwl_scan_channel_cfg_umac) * mvm->fw->ucode_capa.n_scan_channels; - struct iwl_mvm_scan_params params = {}; - u32 uid, flags; + int uid, i; u32 ssid_bitmap = 0; - int ret, i, uid_idx; lockdep_assert_held(&mvm->mutex); - uid_idx = iwl_mvm_find_free_scan_uid(mvm); - if (uid_idx >= IWL_MVM_MAX_SIMULTANEOUS_SCANS) - return -EBUSY; + if (WARN_ON(params->n_scan_plans > IWL_MAX_SCHED_SCAN_PLANS)) + return -EINVAL; - /* we should have failed registration if scan_cmd was NULL */ - if (WARN_ON(mvm->scan_cmd == NULL)) - return -ENOMEM; + uid = iwl_mvm_scan_uid_by_status(mvm, 0); + if (uid < 0) + return uid; - if (WARN_ON(req->req.n_ssids > PROBE_OPTION_MAX || - req->ies.common_ie_len + - req->ies.len[NL80211_BAND_2GHZ] + - req->ies.len[NL80211_BAND_5GHZ] + 24 + 2 > - SCAN_OFFLOAD_PROBE_REQ_SIZE || req->req.n_channels > - mvm->fw->ucode_capa.n_scan_channels)) - return -ENOBUFS; + memset(cmd, 0, ksize(cmd)); - iwl_mvm_scan_calc_params(mvm, vif, req->req.n_ssids, req->req.flags, - ¶ms); + iwl_mvm_scan_umac_dwell(mvm, cmd, params); - iwl_mvm_build_generic_umac_scan_cmd(mvm, cmd, ¶ms); + mvm->scan_uid_status[uid] = type; - uid = iwl_generate_scan_uid(mvm, IWL_UMAC_SCAN_UID_REG_SCAN); - mvm->scan_uid[uid_idx] = uid; cmd->uid = cpu_to_le32(uid); + cmd->general_flags = cpu_to_le32(iwl_mvm_scan_umac_flags(mvm, params)); - cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH); - - flags = iwl_mvm_scan_umac_common_flags(mvm, req->req.n_ssids, - req->req.ssids, - params.passive_fragmented); - - flags |= IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL; - - cmd->general_flags = cpu_to_le32(flags); + if (type == IWL_MVM_SCAN_SCHED) + cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE); - if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SINGLE_SCAN_EBS && - mvm->last_ebs_successful) + if (iwl_mvm_scan_use_ebs(mvm, vif)) cmd->channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS | IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | IWL_SCAN_CHANNEL_FLAG_CACHE_ADD; - cmd->n_channels = req->req.n_channels; + cmd->n_channels = params->n_channels; - for (i = 0; i < req->req.n_ssids; i++) - ssid_bitmap |= BIT(i); + iwl_scan_build_ssids(params, sec_part->direct_scan, &ssid_bitmap); - iwl_mvm_umac_scan_cfg_channels(mvm, req->req.channels, - req->req.n_channels, ssid_bitmap, cmd); + iwl_mvm_umac_scan_cfg_channels(mvm, params->channels, + params->n_channels, ssid_bitmap, cmd); - sec_part->schedule[0].iter_count = 1; - sec_part->delay = 0; + for (i = 0; i < params->n_scan_plans; i++) { + struct cfg80211_sched_scan_plan *scan_plan = + ¶ms->scan_plans[i]; - iwl_mvm_build_unified_scan_probe(mvm, vif, &req->ies, &sec_part->preq, - req->req.flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? - req->req.mac_addr : NULL, - req->req.mac_addr_mask); + sec_part->schedule[i].iter_count = scan_plan->iterations; + sec_part->schedule[i].interval = + cpu_to_le16(scan_plan->interval); + } - iwl_mvm_scan_fill_ssids(sec_part->direct_scan, req->req.ssids, - req->req.n_ssids, 0); + /* + * If the number of iterations of the last scan plan is set to + * zero, it should run infinitely. However, this is not always the case. + * For example, when regular scan is requested the driver sets one scan + * plan with one iteration. + */ + if (!sec_part->schedule[i - 1].iter_count) + sec_part->schedule[i - 1].iter_count = 0xff; - ret = iwl_mvm_send_cmd(mvm, &hcmd); - if (!ret) { - IWL_DEBUG_SCAN(mvm, - "Scan request was sent successfully\n"); - } else { - /* - * If the scan failed, it usually means that the FW was unable - * to allocate the time events. Warn on it, but maybe we - * should try to send the command again with different params. - */ - IWL_ERR(mvm, "Scan failed! ret %d\n", ret); - } - return ret; + sec_part->delay = cpu_to_le16(params->delay); + sec_part->preq = params->preq; + + return 0; +} + +static int iwl_mvm_num_scans(struct iwl_mvm *mvm) +{ + return hweight32(mvm->scan_status & IWL_MVM_SCAN_MASK); } -int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct cfg80211_sched_scan_request *req, - struct ieee80211_scan_ies *ies) +static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) { + /* This looks a bit arbitrary, but the idea is that if we run + * out of possible simultaneous scans and the userspace is + * trying to run a scan type that is already running, we + * return -EBUSY. But if the userspace wants to start a + * different type of scan, we stop the opposite type to make + * space for the new request. The reason is backwards + * compatibility with old wpa_supplicant that wouldn't stop a + * scheduled scan before starting a normal scan. + */ + + if (iwl_mvm_num_scans(mvm) < mvm->max_scans) + return 0; + + /* Use a switch, even though this is a bitmask, so that more + * than one bits set will fall in default and we will warn. + */ + switch (type) { + case IWL_MVM_SCAN_REGULAR: + if (mvm->scan_status & IWL_MVM_SCAN_REGULAR_MASK) + return -EBUSY; + return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); + case IWL_MVM_SCAN_SCHED: + if (mvm->scan_status & IWL_MVM_SCAN_SCHED_MASK) + return -EBUSY; + iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); + case IWL_MVM_SCAN_NETDETECT: + /* No need to stop anything for net-detect since the + * firmware is restarted anyway. This way, any sched + * scans that were running will be restarted when we + * resume. + */ + return 0; + default: + WARN_ON(1); + break; + } + + return -EIO; +} +int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct cfg80211_scan_request *req, + struct ieee80211_scan_ies *ies) +{ struct iwl_host_cmd hcmd = { - .id = SCAN_REQ_UMAC, .len = { iwl_mvm_scan_size(mvm), }, .data = { mvm->scan_cmd, }, .dataflags = { IWL_HCMD_DFL_NOCOPY, }, }; - struct iwl_scan_req_umac *cmd = mvm->scan_cmd; - struct iwl_scan_req_umac_tail *sec_part = (void *)&cmd->data + - sizeof(struct iwl_scan_channel_cfg_umac) * - mvm->fw->ucode_capa.n_scan_channels; struct iwl_mvm_scan_params params = {}; - u32 uid, flags; - u32 ssid_bitmap = 0; - int ret, uid_idx; + int ret; + struct cfg80211_sched_scan_plan scan_plan = { .iterations = 1 }; lockdep_assert_held(&mvm->mutex); - uid_idx = iwl_mvm_find_free_scan_uid(mvm); - if (uid_idx >= IWL_MVM_MAX_SIMULTANEOUS_SCANS) + if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) { + IWL_ERR(mvm, "scan while LAR regdomain is not set\n"); return -EBUSY; + } + + ret = iwl_mvm_check_running_scans(mvm, IWL_MVM_SCAN_REGULAR); + if (ret) + return ret; /* we should have failed registration if scan_cmd was NULL */ - if (WARN_ON(mvm->scan_cmd == NULL)) + if (WARN_ON(!mvm->scan_cmd)) return -ENOMEM; - if (WARN_ON(req->n_ssids > PROBE_OPTION_MAX || - ies->common_ie_len + ies->len[NL80211_BAND_2GHZ] + - ies->len[NL80211_BAND_5GHZ] + 24 + 2 > - SCAN_OFFLOAD_PROBE_REQ_SIZE || req->n_channels > - mvm->fw->ucode_capa.n_scan_channels)) + if (!iwl_mvm_scan_fits(mvm, req->n_ssids, ies, req->n_channels)) return -ENOBUFS; - iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, req->flags, - ¶ms); - - iwl_mvm_build_generic_umac_scan_cmd(mvm, cmd, ¶ms); - - cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE); - - uid = iwl_generate_scan_uid(mvm, IWL_UMAC_SCAN_UID_SCHED_SCAN); - mvm->scan_uid[uid_idx] = uid; - cmd->uid = cpu_to_le32(uid); + params.n_ssids = req->n_ssids; + params.flags = req->flags; + params.n_channels = req->n_channels; + params.delay = 0; + params.ssids = req->ssids; + params.channels = req->channels; + params.mac_addr = req->mac_addr; + params.mac_addr_mask = req->mac_addr_mask; + params.no_cck = req->no_cck; + params.pass_all = true; + params.n_match_sets = 0; + params.match_sets = NULL; + + params.scan_plans = &scan_plan; + params.n_scan_plans = 1; + + params.type = iwl_mvm_get_scan_type(mvm, vif, ¶ms); + + iwl_mvm_build_scan_probe(mvm, vif, ies, ¶ms); + + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { + hcmd.id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0); + ret = iwl_mvm_scan_umac(mvm, vif, ¶ms, + IWL_MVM_SCAN_REGULAR); + } else { + hcmd.id = SCAN_OFFLOAD_REQUEST_CMD; + ret = iwl_mvm_scan_lmac(mvm, vif, ¶ms); + } - cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_LOW); + if (ret) + return ret; - flags = iwl_mvm_scan_umac_common_flags(mvm, req->n_ssids, req->ssids, - params.passive_fragmented); + ret = iwl_mvm_send_cmd(mvm, &hcmd); + if (ret) { + /* If the scan failed, it usually means that the FW was unable + * to allocate the time events. Warn on it, but maybe we + * should try to send the command again with different params. + */ + IWL_ERR(mvm, "Scan failed! ret %d\n", ret); + return ret; + } - flags |= IWL_UMAC_SCAN_GEN_FLAGS_PERIODIC; + IWL_DEBUG_SCAN(mvm, "Scan request was sent successfully\n"); + mvm->scan_status |= IWL_MVM_SCAN_REGULAR; + iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN); - if (iwl_mvm_scan_pass_all(mvm, req)) - flags |= IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL; - else - flags |= IWL_UMAC_SCAN_GEN_FLAGS_MATCH; + return 0; +} - cmd->general_flags = cpu_to_le32(flags); +int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_scan_ies *ies, + int type) +{ + struct iwl_host_cmd hcmd = { + .len = { iwl_mvm_scan_size(mvm), }, + .data = { mvm->scan_cmd, }, + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + struct iwl_mvm_scan_params params = {}; + int ret; - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT && - mvm->last_ebs_successful) - cmd->channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS | - IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | - IWL_SCAN_CHANNEL_FLAG_CACHE_ADD; + lockdep_assert_held(&mvm->mutex); - cmd->n_channels = req->n_channels; + if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) { + IWL_ERR(mvm, "sched-scan while LAR regdomain is not set\n"); + return -EBUSY; + } - iwl_scan_offload_build_ssid(req, sec_part->direct_scan, &ssid_bitmap, - false); + /* we don't support "match all" in the firmware */ + if (!req->n_match_sets) + return -EOPNOTSUPP; - /* This API uses bits 0-19 instead of 1-20. */ - ssid_bitmap = ssid_bitmap >> 1; + ret = iwl_mvm_check_running_scans(mvm, type); + if (ret) + return ret; - iwl_mvm_umac_scan_cfg_channels(mvm, req->channels, req->n_channels, - ssid_bitmap, cmd); + /* we should have failed registration if scan_cmd was NULL */ + if (WARN_ON(!mvm->scan_cmd)) + return -ENOMEM; - sec_part->schedule[0].interval = - cpu_to_le16(req->interval / MSEC_PER_SEC); - sec_part->schedule[0].iter_count = 0xff; + if (!iwl_mvm_scan_fits(mvm, req->n_ssids, ies, req->n_channels)) + return -ENOBUFS; + params.n_ssids = req->n_ssids; + params.flags = req->flags; + params.n_channels = req->n_channels; + params.ssids = req->ssids; + params.channels = req->channels; + params.mac_addr = req->mac_addr; + params.mac_addr_mask = req->mac_addr_mask; + params.no_cck = false; + params.pass_all = iwl_mvm_scan_pass_all(mvm, req); + params.n_match_sets = req->n_match_sets; + params.match_sets = req->match_sets; + if (!req->n_scan_plans) + return -EINVAL; + + params.n_scan_plans = req->n_scan_plans; + params.scan_plans = req->scan_plans; + + params.type = iwl_mvm_get_scan_type(mvm, vif, ¶ms); + + /* In theory, LMAC scans can handle a 32-bit delay, but since + * waiting for over 18 hours to start the scan is a bit silly + * and to keep it aligned with UMAC scans (which only support + * 16-bit delays), trim it down to 16-bits. + */ if (req->delay > U16_MAX) { IWL_DEBUG_SCAN(mvm, "delay value is > 16-bits, set to max possible\n"); - sec_part->delay = cpu_to_le16(U16_MAX); + params.delay = U16_MAX; } else { - sec_part->delay = cpu_to_le16(req->delay); + params.delay = req->delay; } - iwl_mvm_build_unified_scan_probe(mvm, vif, ies, &sec_part->preq, - req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? - req->mac_addr : NULL, - req->mac_addr_mask); + ret = iwl_mvm_config_sched_scan_profiles(mvm, req); + if (ret) + return ret; + + iwl_mvm_build_scan_probe(mvm, vif, ies, ¶ms); + + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { + hcmd.id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0); + ret = iwl_mvm_scan_umac(mvm, vif, ¶ms, IWL_MVM_SCAN_SCHED); + } else { + hcmd.id = SCAN_OFFLOAD_REQUEST_CMD; + ret = iwl_mvm_scan_lmac(mvm, vif, ¶ms); + } + + if (ret) + return ret; ret = iwl_mvm_send_cmd(mvm, &hcmd); if (!ret) { IWL_DEBUG_SCAN(mvm, "Sched scan request was sent successfully\n"); + mvm->scan_status |= type; } else { - /* - * If the scan failed, it usually means that the FW was unable + /* If the scan failed, it usually means that the FW was unable * to allocate the time events. Warn on it, but maybe we * should try to send the command again with different params. */ IWL_ERR(mvm, "Sched scan failed! ret %d\n", ret); } + return ret; } -int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_umac_scan_complete *notif = (void *)pkt->data; u32 uid = __le32_to_cpu(notif->uid); - bool sched = !!(uid & IWL_UMAC_SCAN_UID_SCHED_SCAN); - int uid_idx = iwl_mvm_find_scan_uid(mvm, uid); + bool aborted = (notif->status == IWL_SCAN_OFFLOAD_ABORTED); - /* - * Scan uid may be set to zero in case of scan abort request from above. - */ - if (uid_idx >= IWL_MVM_MAX_SIMULTANEOUS_SCANS) - return 0; + if (WARN_ON(!(mvm->scan_uid_status[uid] & mvm->scan_status))) + return; + /* if the scan is already stopping, we don't need to notify mac80211 */ + if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) { + ieee80211_scan_completed(mvm->hw, aborted); + iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); + } else if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_SCHED) { + ieee80211_sched_scan_stopped(mvm->hw); + } + + mvm->scan_status &= ~mvm->scan_uid_status[uid]; IWL_DEBUG_SCAN(mvm, - "Scan completed, uid %u type %s, status %s, EBS status %s\n", - uid, sched ? "sched" : "regular", + "Scan completed, uid %u type %u, status %s, EBS status %s\n", + uid, mvm->scan_uid_status[uid], notif->status == IWL_SCAN_OFFLOAD_COMPLETED ? "completed" : "aborted", - notif->ebs_status == IWL_SCAN_EBS_SUCCESS ? - "success" : "failed"); + iwl_mvm_ebs_status_str(notif->ebs_status)); + IWL_DEBUG_SCAN(mvm, + "Last line %d, Last iteration %d, Time from last iteration %d\n", + notif->last_schedule, notif->last_iter, + __le32_to_cpu(notif->time_from_last_iter)); - if (notif->ebs_status) + if (notif->ebs_status != IWL_SCAN_EBS_SUCCESS && + notif->ebs_status != IWL_SCAN_EBS_INACTIVE) mvm->last_ebs_successful = false; - mvm->scan_uid[uid_idx] = 0; - - if (!sched) { - ieee80211_scan_completed(mvm->hw, - notif->status == - IWL_SCAN_OFFLOAD_ABORTED); - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - } else if (!iwl_mvm_find_scan_type(mvm, IWL_UMAC_SCAN_UID_SCHED_SCAN)) { - ieee80211_sched_scan_stopped(mvm->hw); - } else { - IWL_DEBUG_SCAN(mvm, "Another sched scan is running\n"); - } - - return 0; + mvm->scan_uid_status[uid] = 0; } -static bool iwl_scan_umac_done_check(struct iwl_notif_wait_data *notif_wait, - struct iwl_rx_packet *pkt, void *data) +void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { - struct iwl_umac_scan_done *scan_done = data; - struct iwl_umac_scan_complete *notif = (void *)pkt->data; - u32 uid = __le32_to_cpu(notif->uid); - int uid_idx = iwl_mvm_find_scan_uid(scan_done->mvm, uid); - - if (WARN_ON(pkt->hdr.cmd != SCAN_COMPLETE_UMAC)) - return false; - - if (uid_idx >= IWL_MVM_MAX_SIMULTANEOUS_SCANS) - return false; - - /* - * Clear scan uid of scans that was aborted from above and completed - * in FW so the RX handler does nothing. Set last_ebs_successful here if - * needed. - */ - scan_done->mvm->scan_uid[uid_idx] = 0; - - if (notif->ebs_status) - scan_done->mvm->last_ebs_successful = false; + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_umac_scan_iter_complete_notif *notif = (void *)pkt->data; + u8 buf[256]; - return !iwl_mvm_find_scan_type(scan_done->mvm, scan_done->type); + IWL_DEBUG_SCAN(mvm, + "UMAC Scan iteration complete: status=0x%x scanned_channels=%d channels list: %s\n", + notif->status, notif->scanned_channels, + iwl_mvm_dump_channel_list(notif->results, + notif->scanned_channels, buf, + sizeof(buf))); } -static int iwl_umac_scan_abort_one(struct iwl_mvm *mvm, u32 uid) +static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type) { - struct iwl_umac_scan_abort cmd = { - .hdr.size = cpu_to_le16(sizeof(struct iwl_umac_scan_abort) - - sizeof(struct iwl_mvm_umac_cmd_hdr)), - .uid = cpu_to_le32(uid), - }; + struct iwl_umac_scan_abort cmd = {}; + int uid, ret; lockdep_assert_held(&mvm->mutex); + /* We should always get a valid index here, because we already + * checked that this type of scan was running in the generic + * code. + */ + uid = iwl_mvm_scan_uid_by_status(mvm, type); + if (WARN_ON_ONCE(uid < 0)) + return uid; + + cmd.uid = cpu_to_le32(uid); + IWL_DEBUG_SCAN(mvm, "Sending scan abort, uid %u\n", uid); - return iwl_mvm_send_cmd_pdu(mvm, SCAN_ABORT_UMAC, 0, sizeof(cmd), &cmd); + ret = iwl_mvm_send_cmd_pdu(mvm, + iwl_cmd_id(SCAN_ABORT_UMAC, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(cmd), &cmd); + if (!ret) + mvm->scan_uid_status[uid] = type << IWL_MVM_SCAN_STOPPING_SHIFT; + + return ret; } -static int iwl_umac_scan_stop(struct iwl_mvm *mvm, - enum iwl_umac_scan_uid_type type, bool notify) +static int iwl_mvm_scan_stop_wait(struct iwl_mvm *mvm, int type) { struct iwl_notification_wait wait_scan_done; - static const u8 scan_done_notif[] = { SCAN_COMPLETE_UMAC, }; - struct iwl_umac_scan_done scan_done = { - .mvm = mvm, - .type = type, - }; - int i, ret = -EIO; + static const u16 scan_done_notif[] = { SCAN_COMPLETE_UMAC, + SCAN_OFFLOAD_COMPLETE, }; + int ret; + + lockdep_assert_held(&mvm->mutex); iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_done, scan_done_notif, ARRAY_SIZE(scan_done_notif), - iwl_scan_umac_done_check, &scan_done); + NULL, NULL); IWL_DEBUG_SCAN(mvm, "Preparing to stop scan, type %x\n", type); - for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) { - if (mvm->scan_uid[i] & type) { - int err; - - if (iwl_mvm_is_radio_killed(mvm) && - (type & IWL_UMAC_SCAN_UID_REG_SCAN)) { - ieee80211_scan_completed(mvm->hw, true); - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - break; - } - - err = iwl_umac_scan_abort_one(mvm, mvm->scan_uid[i]); - if (!err) - ret = 0; - } - } + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) + ret = iwl_mvm_umac_scan_abort(mvm, type); + else + ret = iwl_mvm_lmac_scan_abort(mvm); if (ret) { - IWL_DEBUG_SCAN(mvm, "Couldn't stop scan\n"); + IWL_DEBUG_SCAN(mvm, "couldn't stop scan type %d\n", type); iwl_remove_notification(&mvm->notif_wait, &wait_scan_done); return ret; } ret = iwl_wait_notification(&mvm->notif_wait, &wait_scan_done, 1 * HZ); - if (ret) - return ret; - - if (notify) { - if (type & IWL_UMAC_SCAN_UID_SCHED_SCAN) - ieee80211_sched_scan_stopped(mvm->hw); - if (type & IWL_UMAC_SCAN_UID_REG_SCAN) { - ieee80211_scan_completed(mvm->hw, true); - iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - } - } return ret; } int iwl_mvm_scan_size(struct iwl_mvm *mvm) { - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) return sizeof(struct iwl_scan_req_umac) + sizeof(struct iwl_scan_channel_cfg_umac) * mvm->fw->ucode_capa.n_scan_channels + sizeof(struct iwl_scan_req_umac_tail); - return sizeof(struct iwl_scan_req_unified_lmac) + + return sizeof(struct iwl_scan_req_lmac) + sizeof(struct iwl_scan_channel_cfg_lmac) * mvm->fw->ucode_capa.n_scan_channels + sizeof(struct iwl_scan_probe_req); @@ -1640,47 +1481,76 @@ int iwl_mvm_scan_size(struct iwl_mvm *mvm) */ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm) { - if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) { - u32 uid, i; + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { + int uid, i; - uid = iwl_mvm_find_first_scan(mvm, IWL_UMAC_SCAN_UID_REG_SCAN); - if (uid < IWL_MVM_MAX_SIMULTANEOUS_SCANS) { + uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_REGULAR); + if (uid >= 0) { ieee80211_scan_completed(mvm->hw, true); - mvm->scan_uid[uid] = 0; + mvm->scan_uid_status[uid] = 0; } - uid = iwl_mvm_find_first_scan(mvm, - IWL_UMAC_SCAN_UID_SCHED_SCAN); - if (uid < IWL_MVM_MAX_SIMULTANEOUS_SCANS && !mvm->restart_fw) { + uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_SCHED); + if (uid >= 0 && !mvm->restart_fw) { ieee80211_sched_scan_stopped(mvm->hw); - mvm->scan_uid[uid] = 0; + mvm->scan_uid_status[uid] = 0; } /* We shouldn't have any UIDs still set. Loop over all the * UIDs to make sure there's nothing left there and warn if * any is found. */ - for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) { - if (WARN_ONCE(mvm->scan_uid[i], - "UMAC scan UID %d was not cleaned\n", - mvm->scan_uid[i])) - mvm->scan_uid[i] = 0; + for (i = 0; i < mvm->max_scans; i++) { + if (WARN_ONCE(mvm->scan_uid_status[i], + "UMAC scan UID %d status was not cleaned\n", + i)) + mvm->scan_uid_status[i] = 0; } } else { - switch (mvm->scan_status) { - case IWL_MVM_SCAN_NONE: - break; - case IWL_MVM_SCAN_OS: + if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) ieee80211_scan_completed(mvm->hw, true); - break; - case IWL_MVM_SCAN_SCHED: - /* - * Sched scan will be restarted by mac80211 in - * restart_hw, so do not report if FW is about to be - * restarted. - */ - if (!mvm->restart_fw) - ieee80211_sched_scan_stopped(mvm->hw); - break; - } + + /* Sched scan will be restarted by mac80211 in + * restart_hw, so do not report if FW is about to be + * restarted. + */ + if ((mvm->scan_status & IWL_MVM_SCAN_SCHED) && !mvm->restart_fw) + ieee80211_sched_scan_stopped(mvm->hw); } } + +int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify) +{ + int ret; + + if (!(mvm->scan_status & type)) + return 0; + + if (iwl_mvm_is_radio_killed(mvm)) { + ret = 0; + goto out; + } + + ret = iwl_mvm_scan_stop_wait(mvm, type); + if (!ret) + mvm->scan_status |= type << IWL_MVM_SCAN_STOPPING_SHIFT; +out: + /* Clear the scan status so the next scan requests will + * succeed and mark the scan as stopping, so that the Rx + * handler doesn't do anything, as the scan was stopped from + * above. + */ + mvm->scan_status &= ~type; + + if (type == IWL_MVM_SCAN_REGULAR) { + /* Since the rx handler won't do anything now, we have + * to release the scan reference here. + */ + iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); + if (notify) + ieee80211_scan_completed(mvm->hw, true); + } else if (notify) { + ieee80211_sched_scan_stopped(mvm->hw); + } + + return ret; +} diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/sta.c b/kernel/drivers/net/wireless/iwlwifi/mvm/sta.c index 1845b7948..2b976b110 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -5,8 +5,8 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -31,8 +31,8 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -234,7 +234,9 @@ static int iwl_mvm_tdls_sta_init(struct iwl_mvm *mvm, /* Found a place for all queues - enable them */ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { iwl_mvm_enable_ac_txq(mvm, mvmsta->hw_queue[ac], - iwl_mvm_ac_to_tx_fifo[ac], wdg_timeout); + mvmsta->hw_queue[ac], + iwl_mvm_ac_to_tx_fifo[ac], 0, + wdg_timeout); mvmsta->tfd_queue_msk |= BIT(mvmsta->hw_queue[ac]); } @@ -253,7 +255,7 @@ static void iwl_mvm_tdls_sta_deinit(struct iwl_mvm *mvm, /* disable the TDLS STA-specific queues */ sta_msk = mvmsta->tfd_queue_msk; for_each_set_bit(i, &sta_msk, sizeof(sta_msk) * BITS_PER_BYTE) - iwl_mvm_disable_txq(mvm, i, 0); + iwl_mvm_disable_txq(mvm, i, i, IWL_MAX_TID_COUNT, 0); } int iwl_mvm_add_sta(struct iwl_mvm *mvm, @@ -275,6 +277,11 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, if (sta_id == IWL_MVM_STATION_COUNT) return -ENOSPC; + if (vif->type == NL80211_IFTYPE_AP) { + mvmvif->ap_assoc_sta_count++; + iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); + } + spin_lock_init(&mvm_sta->lock); mvm_sta->sta_id = sta_id; @@ -287,7 +294,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, /* HW restart, don't assume the memory has been zeroed */ atomic_set(&mvm->pending_frames[sta_id], 0); - mvm_sta->tid_disable_agg = 0; + mvm_sta->tid_disable_agg = 0xffff; /* No aggs at first */ mvm_sta->tfd_queue_msk = 0; /* allocate new queues for a TDLS station */ @@ -467,7 +474,8 @@ void iwl_mvm_sta_drained_wk(struct work_struct *wk) unsigned long i, msk = mvm->tfd_drained[sta_id]; for_each_set_bit(i, &msk, sizeof(msk) * BITS_PER_BYTE) - iwl_mvm_disable_txq(mvm, i, 0); + iwl_mvm_disable_txq(mvm, i, i, + IWL_MAX_TID_COUNT, 0); mvm->tfd_drained[sta_id] = 0; IWL_DEBUG_TDLS(mvm, "Drained sta %d, with queues %ld\n", @@ -494,7 +502,7 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, if (ret) return ret; /* flush its queues here since we are freeing mvm_sta */ - ret = iwl_mvm_flush_tx_path(mvm, mvm_sta->tfd_queue_msk, true); + ret = iwl_mvm_flush_tx_path(mvm, mvm_sta->tfd_queue_msk, 0); if (ret) return ret; ret = iwl_trans_wait_tx_queue_empty(mvm->trans, @@ -646,8 +654,8 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); /* Map Aux queue to fifo - needs to happen before adding Aux station */ - iwl_mvm_enable_ac_txq(mvm, mvm->aux_queue, - IWL_MVM_TX_FIFO_MCAST, wdg_timeout); + iwl_mvm_enable_ac_txq(mvm, mvm->aux_queue, mvm->aux_queue, + IWL_MVM_TX_FIFO_MCAST, 0, wdg_timeout); /* Allocate aux station and assign to it the aux queue */ ret = iwl_mvm_allocate_int_sta(mvm, &mvm->aux_sta, BIT(mvm->aux_queue), @@ -918,6 +926,7 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_mvm_tid_data *tid_data; int txq_id; + int ret; if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT)) return -EINVAL; @@ -930,17 +939,6 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, lockdep_assert_held(&mvm->mutex); - for (txq_id = mvm->first_agg_queue; - txq_id <= mvm->last_agg_queue; txq_id++) - if (mvm->queue_to_mac80211[txq_id] == - IWL_INVALID_MAC80211_QUEUE) - break; - - if (txq_id > mvm->last_agg_queue) { - IWL_ERR(mvm, "Failed to allocate agg queue\n"); - return -EIO; - } - spin_lock_bh(&mvmsta->lock); /* possible race condition - we entered D0i3 while starting agg */ @@ -950,8 +948,18 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return -EIO; } - /* the new tx queue is still connected to the same mac80211 queue */ - mvm->queue_to_mac80211[txq_id] = vif->hw_queue[tid_to_mac80211_ac[tid]]; + spin_lock_bh(&mvm->queue_info_lock); + + txq_id = iwl_mvm_find_free_queue(mvm, mvm->first_agg_queue, + mvm->last_agg_queue); + if (txq_id < 0) { + ret = txq_id; + spin_unlock_bh(&mvm->queue_info_lock); + IWL_ERR(mvm, "Failed to allocate agg queue\n"); + goto release_locks; + } + mvm->queue_info[txq_id].setup_reserved = true; + spin_unlock_bh(&mvm->queue_info_lock); tid_data = &mvmsta->tid_data[tid]; tid_data->ssn = IEEE80211_SEQ_TO_SN(tid_data->seq_number); @@ -970,9 +978,12 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, tid_data->state = IWL_EMPTYING_HW_QUEUE_ADDBA; } + ret = 0; + +release_locks: spin_unlock_bh(&mvmsta->lock); - return 0; + return ret; } int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif, @@ -1000,12 +1011,18 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif, fifo = iwl_mvm_ac_to_tx_fifo[tid_to_mac80211_ac[tid]]; + iwl_mvm_enable_agg_txq(mvm, queue, + vif->hw_queue[tid_to_mac80211_ac[tid]], fifo, + mvmsta->sta_id, tid, buf_size, ssn, wdg_timeout); + ret = iwl_mvm_sta_tx_agg(mvm, sta, tid, queue, true); if (ret) return -EIO; - iwl_mvm_enable_agg_txq(mvm, queue, fifo, mvmsta->sta_id, tid, - buf_size, ssn, wdg_timeout); + /* No need to mark as reserved */ + spin_lock_bh(&mvm->queue_info_lock); + mvm->queue_info[queue].setup_reserved = false; + spin_unlock_bh(&mvm->queue_info_lock); /* * Even though in theory the peer could have different @@ -1051,6 +1068,11 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif, mvmsta->agg_tids &= ~BIT(tid); + /* No need to mark as reserved anymore */ + spin_lock_bh(&mvm->queue_info_lock); + mvm->queue_info[txq_id].setup_reserved = false; + spin_unlock_bh(&mvm->queue_info_lock); + switch (tid_data->state) { case IWL_AGG_ON: tid_data->ssn = IEEE80211_SEQ_TO_SN(tid_data->seq_number); @@ -1068,14 +1090,15 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif, tid_data->ssn = 0xffff; tid_data->state = IWL_AGG_OFF; - mvm->queue_to_mac80211[txq_id] = IWL_INVALID_MAC80211_QUEUE; spin_unlock_bh(&mvmsta->lock); ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); iwl_mvm_sta_tx_agg(mvm, sta, tid, txq_id, false); - iwl_mvm_disable_txq(mvm, txq_id, 0); + iwl_mvm_disable_txq(mvm, txq_id, + vif->hw_queue[tid_to_mac80211_ac[tid]], tid, + 0); return 0; case IWL_AGG_STARTING: case IWL_EMPTYING_HW_QUEUE_ADDBA: @@ -1086,7 +1109,6 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif, /* No barriers since we are under mutex */ lockdep_assert_held(&mvm->mutex); - mvm->queue_to_mac80211[txq_id] = IWL_INVALID_MAC80211_QUEUE; ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); tid_data->state = IWL_AGG_OFF; @@ -1127,9 +1149,14 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif, mvmsta->agg_tids &= ~BIT(tid); spin_unlock_bh(&mvmsta->lock); + /* No need to mark as reserved */ + spin_lock_bh(&mvm->queue_info_lock); + mvm->queue_info[txq_id].setup_reserved = false; + spin_unlock_bh(&mvm->queue_info_lock); + if (old_state >= IWL_AGG_ON) { iwl_mvm_drain_sta(mvm, mvmsta, true); - if (iwl_mvm_flush_tx_path(mvm, BIT(txq_id), true)) + if (iwl_mvm_flush_tx_path(mvm, BIT(txq_id), 0)) IWL_ERR(mvm, "Couldn't flush the AGG queue\n"); iwl_trans_wait_tx_queue_empty(mvm->trans, mvmsta->tfd_queue_msk); @@ -1137,32 +1164,45 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif, iwl_mvm_sta_tx_agg(mvm, sta, tid, txq_id, false); - iwl_mvm_disable_txq(mvm, tid_data->txq_id, 0); + iwl_mvm_disable_txq(mvm, tid_data->txq_id, + vif->hw_queue[tid_to_mac80211_ac[tid]], tid, + 0); } - mvm->queue_to_mac80211[tid_data->txq_id] = - IWL_INVALID_MAC80211_QUEUE; - return 0; } static int iwl_mvm_set_fw_key_idx(struct iwl_mvm *mvm) { - int i; + int i, max = -1, max_offs = -1; lockdep_assert_held(&mvm->mutex); - i = find_first_zero_bit(mvm->fw_key_table, STA_KEY_MAX_NUM); + /* Pick the unused key offset with the highest 'deleted' + * counter. Every time a key is deleted, all the counters + * are incremented and the one that was just deleted is + * reset to zero. Thus, the highest counter is the one + * that was deleted longest ago. Pick that one. + */ + for (i = 0; i < STA_KEY_MAX_NUM; i++) { + if (test_bit(i, mvm->fw_key_table)) + continue; + if (mvm->fw_key_deleted[i] > max) { + max = mvm->fw_key_deleted[i]; + max_offs = i; + } + } - if (i == STA_KEY_MAX_NUM) + if (max_offs < 0) return STA_KEY_IDX_INVALID; - __set_bit(i, mvm->fw_key_table); + __set_bit(max_offs, mvm->fw_key_table); - return i; + return max_offs; } -static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif, +static u8 iwl_mvm_get_key_sta_id(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); @@ -1179,8 +1219,21 @@ static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif, * station ID, then use AP's station ID. */ if (vif->type == NL80211_IFTYPE_STATION && - mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) - return mvmvif->ap_sta_id; + mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { + u8 sta_id = mvmvif->ap_sta_id; + + sta = rcu_dereference_check(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + /* + * It is possible that the 'sta' parameter is NULL, + * for example when a GTK is removed - the sta_id will then + * be the AP ID, and no station was passed by mac80211. + */ + if (IS_ERR_OR_NULL(sta)) + return IWL_MVM_STATION_COUNT; + + return sta_id; + } return IWL_MVM_STATION_COUNT; } @@ -1188,7 +1241,8 @@ static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif, static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvm_sta, struct ieee80211_key_conf *keyconf, bool mcast, - u32 tkip_iv32, u16 *tkip_p1k, u32 cmd_flags) + u32 tkip_iv32, u16 *tkip_p1k, u32 cmd_flags, + u8 key_offset) { struct iwl_mvm_add_sta_key_cmd cmd = {}; __le16 key_flags; @@ -1230,7 +1284,7 @@ static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm, if (mcast) key_flags |= cpu_to_le16(STA_KEY_MULTICAST); - cmd.key_offset = keyconf->hw_key_idx; + cmd.key_offset = key_offset; cmd.key_flags = key_flags; cmd.sta_id = sta_id; @@ -1277,8 +1331,6 @@ static int iwl_mvm_send_sta_igtk(struct iwl_mvm *mvm, const u8 *pn; memcpy(igtk_cmd.IGTK, keyconf->key, keyconf->keylen); - ieee80211_aes_cmac_calculate_k1_k2(keyconf, - igtk_cmd.K1, igtk_cmd.K2); ieee80211_get_key_rx_seq(keyconf, 0, &seq); pn = seq.aes_cmac.pn; igtk_cmd.receive_seq_cnt = cpu_to_le64(((u64) pn[5] << 0) | @@ -1323,6 +1375,7 @@ static int __iwl_mvm_set_sta_key(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *keyconf, + u8 key_offset, bool mcast) { struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); @@ -1338,17 +1391,17 @@ static int __iwl_mvm_set_sta_key(struct iwl_mvm *mvm, ieee80211_get_key_rx_seq(keyconf, 0, &seq); ieee80211_get_tkip_rx_p1k(keyconf, addr, seq.tkip.iv32, p1k); ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, - seq.tkip.iv32, p1k, 0); + seq.tkip.iv32, p1k, 0, key_offset); break; case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, - 0, NULL, 0); + 0, NULL, 0, key_offset); break; default: ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, - 0, NULL, 0); + 0, NULL, 0, key_offset); } return ret; @@ -1396,16 +1449,17 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *keyconf, - bool have_key_offset) + u8 key_offset) { bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); u8 sta_id; int ret; + static const u8 __maybe_unused zero_addr[ETH_ALEN] = {0}; lockdep_assert_held(&mvm->mutex); /* Get the station id from the mvm local station table */ - sta_id = iwl_mvm_get_key_sta_id(vif, sta); + sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); if (sta_id == IWL_MVM_STATION_COUNT) { IWL_ERR(mvm, "Failed to find station id\n"); return -EINVAL; @@ -1432,18 +1486,25 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, if (WARN_ON_ONCE(iwl_mvm_sta_from_mac80211(sta)->vif != vif)) return -EINVAL; - if (!have_key_offset) { - /* - * The D3 firmware hardcodes the PTK offset to 0, so we have to - * configure it there. As a result, this workaround exists to - * let the caller set the key offset (hw_key_idx), see d3.c. - */ - keyconf->hw_key_idx = iwl_mvm_set_fw_key_idx(mvm); - if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) + /* If the key_offset is not pre-assigned, we need to find a + * new offset to use. In normal cases, the offset is not + * pre-assigned, but during HW_RESTART we want to reuse the + * same indices, so we pass them when this function is called. + * + * In D3 entry, we need to hardcoded the indices (because the + * firmware hardcodes the PTK offset to 0). In this case, we + * need to make sure we don't overwrite the hw_key_idx in the + * keyconf structure, because otherwise we cannot configure + * the original ones back when resuming. + */ + if (key_offset == STA_KEY_IDX_INVALID) { + key_offset = iwl_mvm_set_fw_key_idx(mvm); + if (key_offset == STA_KEY_IDX_INVALID) return -ENOSPC; + keyconf->hw_key_idx = key_offset; } - ret = __iwl_mvm_set_sta_key(mvm, vif, sta, keyconf, mcast); + ret = __iwl_mvm_set_sta_key(mvm, vif, sta, keyconf, key_offset, mcast); if (ret) { __clear_bit(keyconf->hw_key_idx, mvm->fw_key_table); goto end; @@ -1457,7 +1518,8 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, */ if (keyconf->cipher == WLAN_CIPHER_SUITE_WEP40 || keyconf->cipher == WLAN_CIPHER_SUITE_WEP104) { - ret = __iwl_mvm_set_sta_key(mvm, vif, sta, keyconf, !mcast); + ret = __iwl_mvm_set_sta_key(mvm, vif, sta, keyconf, + key_offset, !mcast); if (ret) { __clear_bit(keyconf->hw_key_idx, mvm->fw_key_table); __iwl_mvm_remove_sta_key(mvm, sta_id, keyconf, mcast); @@ -1467,7 +1529,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, end: IWL_DEBUG_WEP(mvm, "key: cipher=%x len=%d idx=%d sta=%pM ret=%d\n", keyconf->cipher, keyconf->keylen, keyconf->keyidx, - sta->addr, ret); + sta ? sta->addr : zero_addr, ret); return ret; } @@ -1478,12 +1540,12 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, { bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); u8 sta_id; - int ret; + int ret, i; lockdep_assert_held(&mvm->mutex); /* Get the station id from the mvm local station table */ - sta_id = iwl_mvm_get_key_sta_id(vif, sta); + sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); IWL_DEBUG_WEP(mvm, "mvm remove dynamic key: idx=%d sta=%d\n", keyconf->keyidx, sta_id); @@ -1497,29 +1559,18 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, return -ENOENT; } + /* track which key was deleted last */ + for (i = 0; i < STA_KEY_MAX_NUM; i++) { + if (mvm->fw_key_deleted[i] < U8_MAX) + mvm->fw_key_deleted[i]++; + } + mvm->fw_key_deleted[keyconf->hw_key_idx] = 0; + if (sta_id == IWL_MVM_STATION_COUNT) { IWL_DEBUG_WEP(mvm, "station non-existent, early return.\n"); return 0; } - /* - * It is possible that the 'sta' parameter is NULL, and thus - * there is a need to retrieve the sta from the local station table, - * for example when a GTK is removed (where the sta_id will then be - * the AP ID, and no station was passed by mac80211.) - */ - if (!sta) { - sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], - lockdep_is_held(&mvm->mutex)); - if (!sta) { - IWL_ERR(mvm, "Invalid station id\n"); - return -EINVAL; - } - } - - if (WARN_ON_ONCE(iwl_mvm_sta_from_mac80211(sta)->vif != vif)) - return -EINVAL; - ret = __iwl_mvm_remove_sta_key(mvm, sta_id, keyconf, mcast); if (ret) return ret; @@ -1539,14 +1590,15 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, u16 *phase1key) { struct iwl_mvm_sta *mvm_sta; - u8 sta_id = iwl_mvm_get_key_sta_id(vif, sta); + u8 sta_id; bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); - if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT)) - return; - rcu_read_lock(); + sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); + if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT)) + goto unlock; + if (!sta) { sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); if (WARN_ON(IS_ERR_OR_NULL(sta))) { @@ -1557,7 +1609,9 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, mvm_sta = iwl_mvm_sta_from_mac80211(sta); iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, - iv32, phase1key, CMD_ASYNC); + iv32, phase1key, CMD_ASYNC, keyconf->hw_key_idx); + + unlock: rcu_read_unlock(); } @@ -1660,9 +1714,8 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret); } -int iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm_eosp_notification *notif = (void *)pkt->data; @@ -1670,15 +1723,13 @@ int iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, u32 sta_id = le32_to_cpu(notif->sta_id); if (WARN_ON_ONCE(sta_id >= IWL_MVM_STATION_COUNT)) - return 0; + return; rcu_read_lock(); sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); if (!IS_ERR_OR_NULL(sta)) ieee80211_sta_eosp(sta); rcu_read_unlock(); - - return 0; } void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm, diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/sta.h b/kernel/drivers/net/wireless/iwlwifi/mvm/sta.h index 748f5dc3f..0631cc0a6 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -365,8 +365,8 @@ int iwl_mvm_rm_sta_id(struct iwl_mvm *mvm, int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key, - bool have_key_offset); + struct ieee80211_key_conf *keyconf, + u8 key_offset); int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -378,9 +378,8 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, struct ieee80211_sta *sta, u32 iv32, u16 *phase1key); -int iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* AMPDU */ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/tdls.c b/kernel/drivers/net/wireless/iwlwifi/mvm/tdls.c index a87b506c8..fe2fa5650 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/tdls.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/tdls.c @@ -169,18 +169,11 @@ static void iwl_mvm_tdls_config(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return; pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(mvm, "Bad return from TDLS_CONFIG_COMMAND (0x%08X)\n", - pkt->hdr.flags); - goto exit; - } - if (WARN_ON_ONCE(iwl_rx_packet_payload_len(pkt) != sizeof(*resp))) - goto exit; + WARN_ON_ONCE(iwl_rx_packet_payload_len(pkt) != sizeof(*resp)); /* we don't really care about the response at this point */ -exit: iwl_free_resp(&cmd); } @@ -261,8 +254,7 @@ static void iwl_mvm_tdls_update_cs_state(struct iwl_mvm *mvm, mvm->tdls_cs.cur_sta_id = IWL_MVM_STATION_COUNT; } -int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_tdls_channel_switch_notif *notif = (void *)pkt->data; @@ -277,17 +269,17 @@ int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, /* can fail sometimes */ if (!le32_to_cpu(notif->status)) { iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE); - goto out; + return; } if (WARN_ON(sta_id >= IWL_MVM_STATION_COUNT)) - goto out; + return; sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], lockdep_is_held(&mvm->mutex)); /* the station may not be here, but if it is, it must be a TDLS peer */ if (IS_ERR_OR_NULL(sta) || WARN_ON(!sta->tdls)) - goto out; + return; mvmsta = iwl_mvm_sta_from_mac80211(sta); vif = mvmsta->vif; @@ -301,9 +293,6 @@ int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, msecs_to_jiffies(delay)); iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_ACTIVE); - -out: - return 0; } static int @@ -471,13 +460,19 @@ iwl_mvm_tdls_config_channel_switch(struct iwl_mvm *mvm, cmd.frame.switch_time_offset = cpu_to_le32(ch_sw_tm_ie + 2); info = IEEE80211_SKB_CB(skb); - if (info->control.hw_key) - iwl_mvm_set_tx_cmd_crypto(mvm, info, &cmd.frame.tx_cmd, skb); + hdr = (void *)skb->data; + if (info->control.hw_key) { + if (info->control.hw_key->cipher != WLAN_CIPHER_SUITE_CCMP) { + rcu_read_unlock(); + ret = -EINVAL; + goto out; + } + iwl_mvm_set_tx_cmd_ccmp(info, &cmd.frame.tx_cmd); + } iwl_mvm_set_tx_cmd(mvm, skb, &cmd.frame.tx_cmd, info, mvmsta->sta_id); - hdr = (void *)skb->data; iwl_mvm_set_tx_cmd_rate(mvm, &cmd.frame.tx_cmd, info, sta, hdr->frame_control); rcu_read_unlock(); diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/time-event.c b/kernel/drivers/net/wireless/iwlwifi/mvm/time-event.c index a7448cf01..7530eb230 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -86,7 +86,7 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, { lockdep_assert_held(&mvm->time_event_lock); - if (te_data->id == TE_MAX) + if (!te_data->vif) return; list_del(&te_data->list); @@ -129,7 +129,7 @@ void iwl_mvm_roc_done_wk(struct work_struct *wk) * issue as it will have to complete before the next command is * executed, and a new time event means a new command. */ - iwl_mvm_flush_tx_path(mvm, queues, false); + iwl_mvm_flush_tx_path(mvm, queues, CMD_ASYNC); } static void iwl_mvm_roc_finished(struct iwl_mvm *mvm) @@ -410,9 +410,8 @@ static int iwl_mvm_aux_roc_te_handle_notif(struct iwl_mvm *mvm, /* * The Rx handler for time event notifications */ -int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_time_event_notif *notif = (void *)pkt->data; @@ -433,8 +432,6 @@ int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, } unlock: spin_unlock_bh(&mvm->time_event_lock); - - return 0; } static bool iwl_mvm_te_notif(struct iwl_notif_wait_data *notif_wait, @@ -503,7 +500,7 @@ static int iwl_mvm_time_event_send_add(struct iwl_mvm *mvm, struct iwl_mvm_time_event_data *te_data, struct iwl_time_event_cmd *te_cmd) { - static const u8 time_event_response[] = { TIME_EVENT_CMD }; + static const u16 time_event_response[] = { TIME_EVENT_CMD }; struct iwl_notification_wait wait_time_event; int ret; @@ -566,7 +563,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; - const u8 te_notif_response[] = { TIME_EVENT_NOTIFICATION }; + const u16 te_notif_response[] = { TIME_EVENT_NOTIFICATION }; struct iwl_notification_wait wait_te_notif; struct iwl_time_event_cmd time_cmd = {}; @@ -599,8 +596,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); time_cmd.id = cpu_to_le32(TE_BSS_STA_AGGRESSIVE_ASSOC); - time_cmd.apply_time = - cpu_to_le32(iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG)); + time_cmd.apply_time = cpu_to_le32(0); time_cmd.max_frags = TE_V2_FRAG_NONE; time_cmd.max_delay = cpu_to_le32(max_delay); @@ -797,13 +793,12 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, void iwl_mvm_stop_roc(struct iwl_mvm *mvm) { - struct iwl_mvm_vif *mvmvif; + struct iwl_mvm_vif *mvmvif = NULL; struct iwl_mvm_time_event_data *te_data; bool is_p2p = false; lockdep_assert_held(&mvm->mutex); - mvmvif = NULL; spin_lock_bh(&mvm->time_event_lock); /* @@ -821,17 +816,14 @@ void iwl_mvm_stop_roc(struct iwl_mvm *mvm) } } - /* - * Iterate over the list of aux roc time events and find the time - * event that is associated with a BSS interface. - * This assumes that a BSS interface can have only a single time - * event at any given time and this time event corresponds to a ROC - * request + /* There can only be at most one AUX ROC time event, we just use the + * list to simplify/unify code. Remove it if it exists. */ - list_for_each_entry(te_data, &mvm->aux_roc_te_list, list) { + te_data = list_first_entry_or_null(&mvm->aux_roc_te_list, + struct iwl_mvm_time_event_data, + list); + if (te_data) mvmvif = iwl_mvm_vif_from_mac80211(te_data->vif); - goto remove_te; - } remove_te: spin_unlock_bh(&mvm->time_event_lock); diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/time-event.h b/kernel/drivers/net/wireless/iwlwifi/mvm/time-event.h index de4fbc6d5..cbdf8e52a 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/time-event.h +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/time-event.h @@ -157,9 +157,8 @@ void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm, /* * iwl_mvm_rx_time_event_notif - handles %TIME_EVENT_NOTIFICATION. */ -int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /** * iwl_mvm_start_p2p_roc - start remain on channel for p2p device functionality diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/tof.c b/kernel/drivers/net/wireless/iwlwifi/mvm/tof.c new file mode 100644 index 000000000..4007f1d42 --- /dev/null +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/tof.c @@ -0,0 +1,306 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2015 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2015 Intel Deutschland GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include "mvm.h" +#include "fw-api-tof.h" + +#define IWL_MVM_TOF_RANGE_REQ_MAX_ID 256 + +void iwl_mvm_tof_init(struct iwl_mvm *mvm) +{ + struct iwl_mvm_tof_data *tof_data = &mvm->tof_data; + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return; + + memset(tof_data, 0, sizeof(*tof_data)); + + tof_data->tof_cfg.sub_grp_cmd_id = cpu_to_le32(TOF_CONFIG_CMD); + +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (IWL_MVM_TOF_IS_RESPONDER) { + tof_data->responder_cfg.sub_grp_cmd_id = + cpu_to_le32(TOF_RESPONDER_CONFIG_CMD); + tof_data->responder_cfg.sta_id = IWL_MVM_STATION_COUNT; + } +#endif + + tof_data->range_req.sub_grp_cmd_id = cpu_to_le32(TOF_RANGE_REQ_CMD); + tof_data->range_req.req_timeout = 1; + tof_data->range_req.initiator = 1; + tof_data->range_req.report_policy = 3; + + tof_data->range_req_ext.sub_grp_cmd_id = + cpu_to_le32(TOF_RANGE_REQ_EXT_CMD); + + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; +} + +void iwl_mvm_tof_clean(struct iwl_mvm *mvm) +{ + struct iwl_mvm_tof_data *tof_data = &mvm->tof_data; + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return; + + memset(tof_data, 0, sizeof(*tof_data)); + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; +} + +static void iwl_tof_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + bool *enabled = _data; + + /* non bss vif exists */ + if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) + *enabled = false; +} + +int iwl_mvm_tof_config_cmd(struct iwl_mvm *mvm) +{ + struct iwl_tof_config_cmd *cmd = &mvm->tof_data.tof_cfg; + bool enabled; + + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + ieee80211_iterate_active_interfaces_atomic(mvm->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_tof_iterator, &enabled); + if (!enabled) { + IWL_DEBUG_INFO(mvm, "ToF is not supported (non bss vif)\n"); + return -EINVAL; + } + + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(*cmd), cmd); +} + +int iwl_mvm_tof_range_abort_cmd(struct iwl_mvm *mvm, u8 id) +{ + struct iwl_tof_range_abort_cmd cmd = { + .sub_grp_cmd_id = cpu_to_le32(TOF_RANGE_ABORT_CMD), + .request_id = id, + }; + + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + if (id != mvm->tof_data.active_range_request) { + IWL_ERR(mvm, "Invalid range request id %d (active %d)\n", + id, mvm->tof_data.active_range_request); + return -EINVAL; + } + + /* after abort is sent there's no active request anymore */ + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; + + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(cmd), &cmd); +} + +#ifdef CONFIG_IWLWIFI_DEBUGFS +int iwl_mvm_tof_responder_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_tof_responder_config_cmd *cmd = &mvm->tof_data.responder_cfg; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + if (vif->p2p || vif->type != NL80211_IFTYPE_AP || + !mvmvif->ap_ibss_active) { + IWL_ERR(mvm, "Cannot start responder, not in AP mode\n"); + return -EIO; + } + + cmd->sta_id = mvmvif->bcast_sta.sta_id; + memcpy(cmd->bssid, vif->addr, ETH_ALEN); + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(*cmd), cmd); +} +#endif + +int iwl_mvm_tof_range_request_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_host_cmd cmd = { + .id = iwl_cmd_id(TOF_CMD, IWL_ALWAYS_LONG_GROUP, 0), + .len = { sizeof(mvm->tof_data.range_req), }, + /* no copy because of the command size */ + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) { + IWL_ERR(mvm, "Cannot send range request, not STA mode\n"); + return -EIO; + } + + /* nesting of range requests is not supported in FW */ + if (mvm->tof_data.active_range_request != + IWL_MVM_TOF_RANGE_REQ_MAX_ID) { + IWL_ERR(mvm, "Cannot send range req, already active req %d\n", + mvm->tof_data.active_range_request); + return -EIO; + } + + mvm->tof_data.active_range_request = mvm->tof_data.range_req.request_id; + + cmd.data[0] = &mvm->tof_data.range_req; + return iwl_mvm_send_cmd(mvm, &cmd); +} + +int iwl_mvm_tof_range_request_ext_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) { + IWL_ERR(mvm, "Cannot send ext range req, not in STA mode\n"); + return -EIO; + } + + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(mvm->tof_data.range_req_ext), + &mvm->tof_data.range_req_ext); +} + +static int iwl_mvm_tof_range_resp(struct iwl_mvm *mvm, void *data) +{ + struct iwl_tof_range_rsp_ntfy *resp = (void *)data; + + if (resp->request_id != mvm->tof_data.active_range_request) { + IWL_ERR(mvm, "Request id mismatch, got %d, active %d\n", + resp->request_id, mvm->tof_data.active_range_request); + return -EIO; + } + + memcpy(&mvm->tof_data.range_resp, resp, + sizeof(struct iwl_tof_range_rsp_ntfy)); + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; + + return 0; +} + +static int iwl_mvm_tof_mcsi_notif(struct iwl_mvm *mvm, void *data) +{ + struct iwl_tof_mcsi_notif *resp = (struct iwl_tof_mcsi_notif *)data; + + IWL_DEBUG_INFO(mvm, "MCSI notification, token %d\n", resp->token); + return 0; +} + +static int iwl_mvm_tof_nb_report_notif(struct iwl_mvm *mvm, void *data) +{ + struct iwl_tof_neighbor_report *report = + (struct iwl_tof_neighbor_report *)data; + + IWL_DEBUG_INFO(mvm, "NB report, bssid %pM, token %d, status 0x%x\n", + report->bssid, report->request_token, report->status); + return 0; +} + +void iwl_mvm_tof_resp_handler(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_tof_gen_resp_cmd *resp = (void *)pkt->data; + + lockdep_assert_held(&mvm->mutex); + + switch (le32_to_cpu(resp->sub_grp_cmd_id)) { + case TOF_RANGE_RESPONSE_NOTIF: + iwl_mvm_tof_range_resp(mvm, resp->data); + break; + case TOF_MCSI_DEBUG_NOTIF: + iwl_mvm_tof_mcsi_notif(mvm, resp->data); + break; + case TOF_NEIGHBOR_REPORT_RSP_NOTIF: + iwl_mvm_tof_nb_report_notif(mvm, resp->data); + break; + default: + IWL_ERR(mvm, "Unknown sub-group command 0x%x\n", + resp->sub_grp_cmd_id); + break; + } +} diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/tof.h b/kernel/drivers/net/wireless/iwlwifi/mvm/tof.h new file mode 100644 index 000000000..9beebc33c --- /dev/null +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/tof.h @@ -0,0 +1,94 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2015 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2015 Intel Deutschland GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#ifndef __tof_h__ +#define __tof_h__ + +#include "fw-api-tof.h" + +struct iwl_mvm_tof_data { + struct iwl_tof_config_cmd tof_cfg; + struct iwl_tof_range_req_cmd range_req; + struct iwl_tof_range_req_ext_cmd range_req_ext; +#ifdef CONFIG_IWLWIFI_DEBUGFS + struct iwl_tof_responder_config_cmd responder_cfg; +#endif + struct iwl_tof_range_rsp_ntfy range_resp; + u8 last_abort_id; + u16 active_range_request; +}; + +void iwl_mvm_tof_init(struct iwl_mvm *mvm); +void iwl_mvm_tof_clean(struct iwl_mvm *mvm); +int iwl_mvm_tof_config_cmd(struct iwl_mvm *mvm); +int iwl_mvm_tof_range_abort_cmd(struct iwl_mvm *mvm, u8 id); +int iwl_mvm_tof_range_request_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); +void iwl_mvm_tof_resp_handler(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +int iwl_mvm_tof_range_request_ext_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); +#ifdef CONFIG_IWLWIFI_DEBUGFS +int iwl_mvm_tof_responder_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); +#endif +#endif /* __tof_h__ */ diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/tt.c b/kernel/drivers/net/wireless/iwlwifi/mvm/tt.c index ba615ad21..cadfc0460 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/tt.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/tt.c @@ -33,6 +33,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -70,7 +71,7 @@ static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm) { struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle; - u32 duration = mvm->thermal_throttle.params->ct_kill_duration; + u32 duration = tt->params.ct_kill_duration; if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) return; @@ -154,24 +155,20 @@ static bool iwl_mvm_temp_notif_wait(struct iwl_notif_wait_data *notif_wait, return true; } -int iwl_mvm_temp_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); int temp; /* the notification is handled synchronously in ctkill, so skip here */ if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) - return 0; + return; temp = iwl_mvm_temp_notif_parse(mvm, pkt); if (temp < 0) - return 0; + return; iwl_mvm_tt_temp_changed(mvm, temp); - - return 0; } static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm) @@ -179,17 +176,34 @@ static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm) struct iwl_dts_measurement_cmd cmd = { .flags = cpu_to_le32(DTS_TRIGGER_CMD_FLAGS_TEMP), }; + struct iwl_ext_dts_measurement_cmd extcmd = { + .control_mode = cpu_to_le32(DTS_AUTOMATIC), + }; + u32 cmdid; + + if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR)) + cmdid = iwl_cmd_id(CMD_DTS_MEASUREMENT_TRIGGER_WIDE, + PHY_OPS_GROUP, 0); + else + cmdid = CMD_DTS_MEASUREMENT_TRIGGER; - return iwl_mvm_send_cmd_pdu(mvm, CMD_DTS_MEASUREMENT_TRIGGER, 0, - sizeof(cmd), &cmd); + if (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE)) + return iwl_mvm_send_cmd_pdu(mvm, cmdid, 0, sizeof(cmd), &cmd); + + return iwl_mvm_send_cmd_pdu(mvm, cmdid, 0, sizeof(extcmd), &extcmd); } int iwl_mvm_get_temp(struct iwl_mvm *mvm) { struct iwl_notification_wait wait_temp_notif; - static const u8 temp_notif[] = { DTS_MEASUREMENT_NOTIFICATION }; + static u16 temp_notif[] = { WIDE_ID(PHY_OPS_GROUP, + DTS_MEASUREMENT_NOTIF_WIDE) }; int ret, temp; + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR)) + temp_notif[0] = DTS_MEASUREMENT_NOTIFICATION; + lockdep_assert_held(&mvm->mutex); iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif, @@ -223,7 +237,7 @@ static void check_exit_ctkill(struct work_struct *work) tt = container_of(work, struct iwl_mvm_tt_mgmt, ct_kill_exit.work); mvm = container_of(tt, struct iwl_mvm, thermal_throttle); - duration = tt->params->ct_kill_duration; + duration = tt->params.ct_kill_duration; mutex_lock(&mvm->mutex); @@ -247,7 +261,7 @@ static void check_exit_ctkill(struct work_struct *work) IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", temp); - if (temp <= tt->params->ct_kill_exit) { + if (temp <= tt->params.ct_kill_exit) { mutex_unlock(&mvm->mutex); iwl_mvm_exit_ctkill(mvm); return; @@ -325,7 +339,7 @@ void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff) void iwl_mvm_tt_handler(struct iwl_mvm *mvm) { - const struct iwl_tt_params *params = mvm->thermal_throttle.params; + struct iwl_tt_params *params = &mvm->thermal_throttle.params; struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle; s32 temperature = mvm->temperature; bool throttle_enable = false; @@ -340,7 +354,7 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm) } if (params->support_ct_kill && - temperature <= tt->params->ct_kill_exit) { + temperature <= params->ct_kill_exit) { iwl_mvm_exit_ctkill(mvm); return; } @@ -400,7 +414,7 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm) } } -static const struct iwl_tt_params iwl7000_tt_params = { +static const struct iwl_tt_params iwl_mvm_default_tt_params = { .ct_kill_entry = 118, .ct_kill_exit = 96, .ct_kill_duration = 5, @@ -422,38 +436,16 @@ static const struct iwl_tt_params iwl7000_tt_params = { .support_tx_backoff = true, }; -static const struct iwl_tt_params iwl7000_high_temp_tt_params = { - .ct_kill_entry = 118, - .ct_kill_exit = 96, - .ct_kill_duration = 5, - .dynamic_smps_entry = 114, - .dynamic_smps_exit = 110, - .tx_protection_entry = 114, - .tx_protection_exit = 108, - .tx_backoff = { - {.temperature = 112, .backoff = 300}, - {.temperature = 113, .backoff = 800}, - {.temperature = 114, .backoff = 1500}, - {.temperature = 115, .backoff = 3000}, - {.temperature = 116, .backoff = 5000}, - {.temperature = 117, .backoff = 10000}, - }, - .support_ct_kill = true, - .support_dynamic_smps = true, - .support_tx_protection = true, - .support_tx_backoff = true, -}; - void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff) { struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle; IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n"); - if (mvm->cfg->high_temp) - tt->params = &iwl7000_high_temp_tt_params; + if (mvm->cfg->thermal_params) + tt->params = *mvm->cfg->thermal_params; else - tt->params = &iwl7000_tt_params; + tt->params = iwl_mvm_default_tt_params; tt->throttle = false; tt->dynamic_smps = false; diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/tx.c b/kernel/drivers/net/wireless/iwlwifi/mvm/tx.c index 281451c27..6743edf43 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -6,7 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,7 @@ * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -70,6 +70,30 @@ #include "mvm.h" #include "sta.h" +static void +iwl_mvm_bar_check_trigger(struct iwl_mvm *mvm, const u8 *addr, + u16 tid, u16 ssn) +{ + struct iwl_fw_dbg_trigger_tlv *trig; + struct iwl_fw_dbg_trigger_ba *ba_trig; + + if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA)) + return; + + trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA); + ba_trig = (void *)trig->data; + + if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig)) + return; + + if (!(le16_to_cpu(ba_trig->tx_bar) & BIT(tid))) + return; + + iwl_mvm_fw_dbg_collect_trig(mvm, trig, + "BAR sent to %pM, tid %d, ssn %d", + addr, tid, ssn); +} + /* * Sets most of the Tx cmd's fields */ @@ -101,12 +125,15 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, } else if (ieee80211_is_back_req(fc)) { struct ieee80211_bar *bar = (void *)skb->data; u16 control = le16_to_cpu(bar->control); + u16 ssn = le16_to_cpu(bar->start_seq_num); tx_flags |= TX_CMD_FLG_ACK | TX_CMD_FLG_BAR; tx_cmd->tid_tspec = (control & IEEE80211_BAR_CTRL_TID_INFO_MASK) >> IEEE80211_BAR_CTRL_TID_INFO_SHIFT; WARN_ON_ONCE(tx_cmd->tid_tspec >= IWL_MAX_TID_COUNT); + iwl_mvm_bar_check_trigger(mvm, bar->ra, tx_cmd->tid_tspec, + ssn); } else { tx_cmd->tid_tspec = IWL_TID_NON_QOS; if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) @@ -126,26 +153,28 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, if (ieee80211_is_mgmt(fc)) { if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc)) - tx_cmd->pm_frame_timeout = cpu_to_le16(3); + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_ASSOC); + else if (ieee80211_is_action(fc)) + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_NONE); else - tx_cmd->pm_frame_timeout = cpu_to_le16(2); + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_MGMT); /* The spec allows Action frames in A-MPDU, we don't support * it */ WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU); } else if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) { - tx_cmd->pm_frame_timeout = cpu_to_le16(2); + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_MGMT); } else { - tx_cmd->pm_frame_timeout = 0; + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_NONE); } if (ieee80211_is_data(fc) && len > mvm->rts_threshold && !is_multicast_ether_addr(ieee80211_get_DA(hdr))) tx_flags |= TX_CMD_FLG_PROT_REQUIRE; - if ((mvm->fw->ucode_capa.capa[0] & - IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT) && + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT) && ieee80211_action_contains_tpc(skb)) tx_flags |= TX_CMD_FLG_WRITE_TX_POWER; @@ -241,19 +270,29 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, /* * Sets the fields in the Tx cmd that are crypto related */ -void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, - struct ieee80211_tx_info *info, - struct iwl_tx_cmd *tx_cmd, - struct sk_buff *skb_frag) +static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, + struct ieee80211_tx_info *info, + struct iwl_tx_cmd *tx_cmd, + struct sk_buff *skb_frag, + int hdrlen) { struct ieee80211_key_conf *keyconf = info->control.hw_key; + u8 *crypto_hdr = skb_frag->data + hdrlen; + u64 pn; switch (keyconf->cipher) { case WLAN_CIPHER_SUITE_CCMP: - tx_cmd->sec_ctl = TX_CMD_SEC_CCM; - memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); - if (info->flags & IEEE80211_TX_CTL_AMPDU) - tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG); + case WLAN_CIPHER_SUITE_CCMP_256: + iwl_mvm_set_tx_cmd_ccmp(info, tx_cmd); + pn = atomic64_inc_return(&keyconf->tx_pn); + crypto_hdr[0] = pn; + crypto_hdr[2] = 0; + crypto_hdr[3] = 0x20 | (keyconf->keyidx << 6); + crypto_hdr[1] = pn >> 8; + crypto_hdr[4] = pn >> 16; + crypto_hdr[5] = pn >> 24; + crypto_hdr[6] = pn >> 32; + crypto_hdr[7] = pn >> 40; break; case WLAN_CIPHER_SUITE_TKIP: @@ -281,7 +320,7 @@ void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, */ static struct iwl_device_cmd * iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb, - struct ieee80211_sta *sta, u8 sta_id) + int hdrlen, struct ieee80211_sta *sta, u8 sta_id) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -298,7 +337,7 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb, tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload; if (info->control.hw_key) - iwl_mvm_set_tx_cmd_crypto(mvm, info, tx_cmd, skb); + iwl_mvm_set_tx_cmd_crypto(mvm, info, tx_cmd, skb, hdrlen); iwl_mvm_set_tx_cmd(mvm, skb, tx_cmd, info, sta_id); @@ -319,6 +358,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) struct iwl_device_cmd *dev_cmd; struct iwl_tx_cmd *tx_cmd; u8 sta_id; + int hdrlen = ieee80211_hdrlen(hdr->frame_control); if (WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU)) return -1; @@ -339,23 +379,34 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue; /* - * If the interface on which frame is sent is the P2P_DEVICE + * If the interface on which the frame is sent is the P2P_DEVICE * or an AP/GO interface use the broadcast station associated - * with it; otherwise use the AUX station. + * with it; otherwise if the interface is a managed interface + * use the AP station associated with it for multicast traffic + * (this is not possible for unicast packets as a TLDS discovery + * response are sent without a station entry); otherwise use the + * AUX station. */ - if (info->control.vif && - (info->control.vif->type == NL80211_IFTYPE_P2P_DEVICE || - info->control.vif->type == NL80211_IFTYPE_AP)) { + sta_id = mvm->aux_sta.sta_id; + if (info->control.vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(info->control.vif); - sta_id = mvmvif->bcast_sta.sta_id; - } else { - sta_id = mvm->aux_sta.sta_id; + + if (info->control.vif->type == NL80211_IFTYPE_P2P_DEVICE || + info->control.vif->type == NL80211_IFTYPE_AP) + sta_id = mvmvif->bcast_sta.sta_id; + else if (info->control.vif->type == NL80211_IFTYPE_STATION && + is_multicast_ether_addr(hdr->addr1)) { + u8 ap_sta_id = ACCESS_ONCE(mvmvif->ap_sta_id); + + if (ap_sta_id != IWL_MVM_STATION_COUNT) + sta_id = ap_sta_id; + } } IWL_DEBUG_TX(mvm, "station Id %d, queue=%d\n", sta_id, info->hw_queue); - dev_cmd = iwl_mvm_set_tx_params(mvm, skb, NULL, sta_id); + dev_cmd = iwl_mvm_set_tx_params(mvm, skb, hdrlen, NULL, sta_id); if (!dev_cmd) return -1; @@ -363,13 +414,22 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload; /* Copy MAC header from skb into command buffer */ - memcpy(tx_cmd->hdr, hdr, ieee80211_hdrlen(hdr->frame_control)); + memcpy(tx_cmd->hdr, hdr, hdrlen); if (iwl_trans_tx(mvm->trans, skb, dev_cmd, info->hw_queue)) { iwl_trans_free_tx_cmd(mvm->trans, dev_cmd); return -1; } + /* + * Increase the pending frames counter, so that later when a reply comes + * in and the counter is decreased - we don't start getting negative + * values. + * Note that we don't need to make sure it isn't agg'd, since we're + * TXing non-sta + */ + atomic_inc(&mvm->pending_frames[sta_id]); + return 0; } @@ -389,9 +449,11 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, u8 tid = IWL_MAX_TID_COUNT; u8 txq_id = info->hw_queue; bool is_data_qos = false, is_ampdu = false; + int hdrlen; mvmsta = iwl_mvm_sta_from_mac80211(sta); fc = hdr->frame_control; + hdrlen = ieee80211_hdrlen(fc); if (WARN_ON_ONCE(!mvmsta)) return -1; @@ -399,7 +461,7 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, if (WARN_ON_ONCE(mvmsta->sta_id == IWL_MVM_STATION_COUNT)) return -1; - dev_cmd = iwl_mvm_set_tx_params(mvm, skb, sta, mvmsta->sta_id); + dev_cmd = iwl_mvm_set_tx_params(mvm, skb, hdrlen, sta, mvmsta->sta_id); if (!dev_cmd) goto drop; @@ -431,7 +493,7 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, } /* Copy MAC header from skb into command buffer */ - memcpy(tx_cmd->hdr, hdr, ieee80211_hdrlen(fc)); + memcpy(tx_cmd->hdr, hdr, hdrlen); WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM); @@ -507,15 +569,10 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm, IWL_DEBUG_TX_QUEUES(mvm, "Can continue DELBA flow ssn = next_recl = %d\n", tid_data->next_reclaimed); - iwl_mvm_disable_txq(mvm, tid_data->txq_id, CMD_ASYNC); + iwl_mvm_disable_txq(mvm, tid_data->txq_id, + vif->hw_queue[tid_to_mac80211_ac[tid]], tid, + CMD_ASYNC); tid_data->state = IWL_AGG_OFF; - /* - * we can't hold the mutex - but since we are after a sequence - * point (call to iwl_mvm_disable_txq(), so we don't even need - * a memory barrier. - */ - mvm->queue_to_mac80211[tid_data->txq_id] = - IWL_INVALID_MAC80211_QUEUE; ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; @@ -884,8 +941,7 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm, rcu_read_unlock(); } -int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm_tx_resp *tx_resp = (void *)pkt->data; @@ -894,8 +950,6 @@ int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, iwl_mvm_rx_tx_cmd_single(mvm, pkt); else iwl_mvm_rx_tx_cmd_agg(mvm, pkt); - - return 0; } static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info, @@ -915,8 +969,7 @@ static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info, (void *)(uintptr_t)tid_data->rate_n_flags; } -int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm_ba_notif *ba_notif = (void *)pkt->data; @@ -938,7 +991,7 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, if (WARN_ONCE(sta_id >= IWL_MVM_STATION_COUNT || tid >= IWL_MAX_TID_COUNT, "sta_id %d tid %d", sta_id, tid)) - return 0; + return; rcu_read_lock(); @@ -947,7 +1000,7 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, /* Reclaiming frames for a station that has been deleted ? */ if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { rcu_read_unlock(); - return 0; + return; } mvmsta = iwl_mvm_sta_from_mac80211(sta); @@ -958,7 +1011,7 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, "invalid BA notification: Q %d, tid %d, flow %d\n", tid_data->txq_id, tid, scd_flow); rcu_read_unlock(); - return 0; + return; } spin_lock_bh(&mvmsta->lock); @@ -1045,8 +1098,6 @@ out: skb = __skb_dequeue(&reclaimed_skbs); ieee80211_tx_status(mvm->hw, skb); } - - return 0; } /* @@ -1057,7 +1108,7 @@ out: * 2) flush the Tx path * 3) wait for the transport queues to be empty */ -int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync) +int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags) { int ret; struct iwl_tx_path_flush_cmd flush_cmd = { @@ -1065,8 +1116,6 @@ int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync) .flush_ctl = cpu_to_le16(DUMP_TX_FIFO_FLUSH), }; - u32 flags = sync ? 0 : CMD_ASYNC; - ret = iwl_mvm_send_cmd_pdu(mvm, TXPATH_FLUSH, flags, sizeof(flush_cmd), &flush_cmd); if (ret) diff --git a/kernel/drivers/net/wireless/iwlwifi/mvm/utils.c b/kernel/drivers/net/wireless/iwlwifi/mvm/utils.c index bc55a8b82..ad0f16909 100644 --- a/kernel/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/kernel/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -7,6 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright (C) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -108,7 +109,7 @@ int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd) return ret; } -int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id, +int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, u32 flags, u16 len, const void *data) { struct iwl_host_cmd cmd = { @@ -166,11 +167,6 @@ int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, goto out_free_resp; } - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - ret = -EIO; - goto out_free_resp; - } - resp_len = iwl_rx_packet_payload_len(pkt); if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { ret = -EIO; @@ -187,7 +183,7 @@ int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, /* * We assume that the caller set the status to the sucess value */ -int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id, u16 len, +int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len, const void *data, u32 *status) { struct iwl_host_cmd cmd = { @@ -243,8 +239,7 @@ u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx) return fw_rate_idx_to_plcp[rate_idx]; } -int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_error_resp *err_resp = (void *)pkt->data; @@ -256,7 +251,6 @@ int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, le32_to_cpu(err_resp->error_service)); IWL_ERR(mvm, "FW Error notification: timestamp 0x%16llX\n", le64_to_cpu(err_resp->timestamp)); - return 0; } /* @@ -584,7 +578,7 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) struct iwl_error_event_table table; u32 base; - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_NEW_VERSION)) { + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) { iwl_mvm_dump_nic_error_log_old(mvm); return; } @@ -664,45 +658,143 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) if (mvm->support_umac_log) iwl_mvm_dump_umac_error_log(mvm); } -void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn, - const struct iwl_trans_txq_scd_cfg *cfg, + +int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq) +{ + int i; + + lockdep_assert_held(&mvm->queue_info_lock); + + for (i = minq; i <= maxq; i++) + if (mvm->queue_info[i].hw_queue_refcount == 0 && + !mvm->queue_info[i].setup_reserved) + return i; + + return -ENOSPC; +} + +void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, + u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg, unsigned int wdg_timeout) { - struct iwl_scd_txq_cfg_cmd cmd = { - .scd_queue = queue, - .enable = 1, - .window = cfg->frame_limit, - .sta_id = cfg->sta_id, - .ssn = cpu_to_le16(ssn), - .tx_fifo = cfg->fifo, - .aggregate = cfg->aggregate, - .tid = cfg->tid, - }; + bool enable_queue = true; - if (!iwl_mvm_is_scd_cfg_supported(mvm)) { - iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, cfg, - wdg_timeout); + spin_lock_bh(&mvm->queue_info_lock); + + /* Make sure this TID isn't already enabled */ + if (mvm->queue_info[queue].tid_bitmap & BIT(cfg->tid)) { + spin_unlock_bh(&mvm->queue_info_lock); + IWL_ERR(mvm, "Trying to enable TXQ with existing TID %d\n", + cfg->tid); return; } - iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, NULL, wdg_timeout); - WARN(iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), &cmd), - "Failed to configure queue %d on FIFO %d\n", queue, cfg->fifo); + /* Update mappings and refcounts */ + mvm->queue_info[queue].hw_queue_to_mac80211 |= BIT(mac80211_queue); + mvm->queue_info[queue].hw_queue_refcount++; + if (mvm->queue_info[queue].hw_queue_refcount > 1) + enable_queue = false; + mvm->queue_info[queue].tid_bitmap |= BIT(cfg->tid); + + IWL_DEBUG_TX_QUEUES(mvm, + "Enabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n", + queue, mvm->queue_info[queue].hw_queue_refcount, + mvm->queue_info[queue].hw_queue_to_mac80211); + + spin_unlock_bh(&mvm->queue_info_lock); + + /* Send the enabling command if we need to */ + if (enable_queue) { + struct iwl_scd_txq_cfg_cmd cmd = { + .scd_queue = queue, + .enable = 1, + .window = cfg->frame_limit, + .sta_id = cfg->sta_id, + .ssn = cpu_to_le16(ssn), + .tx_fifo = cfg->fifo, + .aggregate = cfg->aggregate, + .tid = cfg->tid, + }; + + iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, NULL, + wdg_timeout); + WARN(iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), + &cmd), + "Failed to configure queue %d on FIFO %d\n", queue, + cfg->fifo); + } } -void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags) +void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, + u8 tid, u8 flags) { struct iwl_scd_txq_cfg_cmd cmd = { .scd_queue = queue, .enable = 0, }; + bool remove_mac_queue = true; int ret; - if (!iwl_mvm_is_scd_cfg_supported(mvm)) { - iwl_trans_txq_disable(mvm->trans, queue, true); + spin_lock_bh(&mvm->queue_info_lock); + + if (WARN_ON(mvm->queue_info[queue].hw_queue_refcount == 0)) { + spin_unlock_bh(&mvm->queue_info_lock); return; } + mvm->queue_info[queue].tid_bitmap &= ~BIT(tid); + + /* + * If there is another TID with the same AC - don't remove the MAC queue + * from the mapping + */ + if (tid < IWL_MAX_TID_COUNT) { + unsigned long tid_bitmap = + mvm->queue_info[queue].tid_bitmap; + int ac = tid_to_mac80211_ac[tid]; + int i; + + for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT) { + if (tid_to_mac80211_ac[i] == ac) + remove_mac_queue = false; + } + } + + if (remove_mac_queue) + mvm->queue_info[queue].hw_queue_to_mac80211 &= + ~BIT(mac80211_queue); + mvm->queue_info[queue].hw_queue_refcount--; + + cmd.enable = mvm->queue_info[queue].hw_queue_refcount ? 1 : 0; + + IWL_DEBUG_TX_QUEUES(mvm, + "Disabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n", + queue, + mvm->queue_info[queue].hw_queue_refcount, + mvm->queue_info[queue].hw_queue_to_mac80211); + + /* If the queue is still enabled - nothing left to do in this func */ + if (cmd.enable) { + spin_unlock_bh(&mvm->queue_info_lock); + return; + } + + /* Make sure queue info is correct even though we overwrite it */ + WARN(mvm->queue_info[queue].hw_queue_refcount || + mvm->queue_info[queue].tid_bitmap || + mvm->queue_info[queue].hw_queue_to_mac80211, + "TXQ #%d info out-of-sync - refcount=%d, mac map=0x%x, tid=0x%x\n", + queue, mvm->queue_info[queue].hw_queue_refcount, + mvm->queue_info[queue].hw_queue_to_mac80211, + mvm->queue_info[queue].tid_bitmap); + + /* If we are here - the queue is freed and we can zero out these vals */ + mvm->queue_info[queue].hw_queue_refcount = 0; + mvm->queue_info[queue].tid_bitmap = 0; + mvm->queue_info[queue].hw_queue_to_mac80211 = 0; + + spin_unlock_bh(&mvm->queue_info_lock); + iwl_trans_txq_disable(mvm->trans, queue, false); ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, flags, sizeof(cmd), &cmd); |