diff options
Diffstat (limited to 'kernel/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c')
| -rw-r--r-- | kernel/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 686 |
1 files changed, 686 insertions, 0 deletions
diff --git a/kernel/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/kernel/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c new file mode 100644 index 000000000..cbead0071 --- /dev/null +++ b/kernel/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c @@ -0,0 +1,686 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2012 Realtek Corporation. All rights reserved. + * + * 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 LICENSE. + * + * Contact Information: + * wlanfae <wlanfae@realtek.com> + * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, + * Hsinchu 300, Taiwan. + * + * Larry Finger <Larry.Finger@lwfinger.net> + * + *****************************************************************************/ + +#include "../wifi.h" +#include "../usb.h" +#include "../ps.h" +#include "../base.h" +#include "reg.h" +#include "def.h" +#include "phy.h" +#include "rf.h" +#include "dm.h" +#include "mac.h" +#include "trx.h" +#include "../rtl8192c/fw_common.h" + +static int _ConfigVerTOutEP(struct ieee80211_hw *hw) +{ + u8 ep_cfg, txqsele; + u8 ep_nums = 0; + + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); + struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); + + rtlusb->out_queue_sel = 0; + ep_cfg = rtl_read_byte(rtlpriv, REG_TEST_SIE_OPTIONAL); + ep_cfg = (ep_cfg & USB_TEST_EP_MASK) >> USB_TEST_EP_SHIFT; + switch (ep_cfg) { + case 0: /* 2 bulk OUT, 1 bulk IN */ + case 3: + rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_LQ; + ep_nums = 2; + break; + case 1: /* 1 bulk IN/OUT => map all endpoint to Low queue */ + case 2: /* 1 bulk IN, 1 bulk OUT => map all endpoint to High queue */ + txqsele = rtl_read_byte(rtlpriv, REG_TEST_USB_TXQS); + if (txqsele & 0x0F) /* /map all endpoint to High queue */ + rtlusb->out_queue_sel = TX_SELE_HQ; + else if (txqsele&0xF0) /* map all endpoint to Low queue */ + rtlusb->out_queue_sel = TX_SELE_LQ; + ep_nums = 1; + break; + default: + break; + } + return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL; +} + +static int _ConfigVerNOutEP(struct ieee80211_hw *hw) +{ + u8 ep_cfg; + u8 ep_nums = 0; + + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); + struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); + + rtlusb->out_queue_sel = 0; + /* Normal and High queue */ + ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 1)); + if (ep_cfg & USB_NORMAL_SIE_EP_MASK) { + rtlusb->out_queue_sel |= TX_SELE_HQ; + ep_nums++; + } + if ((ep_cfg >> USB_NORMAL_SIE_EP_SHIFT) & USB_NORMAL_SIE_EP_MASK) { + rtlusb->out_queue_sel |= TX_SELE_NQ; + ep_nums++; + } + /* Low queue */ + ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 2)); + if (ep_cfg & USB_NORMAL_SIE_EP_MASK) { + rtlusb->out_queue_sel |= TX_SELE_LQ; + ep_nums++; + } + return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL; +} + +static void _TwoOutEpMapping(struct ieee80211_hw *hw, bool bIsChipB, + bool bwificfg, struct rtl_ep_map *ep_map) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + if (bwificfg) { /* for WMM */ + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, + "USB Chip-B & WMM Setting.....\n"); + ep_map->ep_mapping[RTL_TXQ_BE] = 2; + ep_map->ep_mapping[RTL_TXQ_BK] = 3; + ep_map->ep_mapping[RTL_TXQ_VI] = 3; + ep_map->ep_mapping[RTL_TXQ_VO] = 2; + ep_map->ep_mapping[RTL_TXQ_MGT] = 2; + ep_map->ep_mapping[RTL_TXQ_BCN] = 2; + ep_map->ep_mapping[RTL_TXQ_HI] = 2; + } else { /* typical setting */ + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, + "USB typical Setting.....\n"); + ep_map->ep_mapping[RTL_TXQ_BE] = 3; + ep_map->ep_mapping[RTL_TXQ_BK] = 3; + ep_map->ep_mapping[RTL_TXQ_VI] = 2; + ep_map->ep_mapping[RTL_TXQ_VO] = 2; + ep_map->ep_mapping[RTL_TXQ_MGT] = 2; + ep_map->ep_mapping[RTL_TXQ_BCN] = 2; + ep_map->ep_mapping[RTL_TXQ_HI] = 2; + } +} + +static void _ThreeOutEpMapping(struct ieee80211_hw *hw, bool bwificfg, + struct rtl_ep_map *ep_map) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + if (bwificfg) { /* for WMM */ + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, + "USB 3EP Setting for WMM.....\n"); + ep_map->ep_mapping[RTL_TXQ_BE] = 5; + ep_map->ep_mapping[RTL_TXQ_BK] = 3; + ep_map->ep_mapping[RTL_TXQ_VI] = 3; + ep_map->ep_mapping[RTL_TXQ_VO] = 2; + ep_map->ep_mapping[RTL_TXQ_MGT] = 2; + ep_map->ep_mapping[RTL_TXQ_BCN] = 2; + ep_map->ep_mapping[RTL_TXQ_HI] = 2; + } else { /* typical setting */ + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, + "USB 3EP Setting for typical.....\n"); + ep_map->ep_mapping[RTL_TXQ_BE] = 5; + ep_map->ep_mapping[RTL_TXQ_BK] = 5; + ep_map->ep_mapping[RTL_TXQ_VI] = 3; + ep_map->ep_mapping[RTL_TXQ_VO] = 2; + ep_map->ep_mapping[RTL_TXQ_MGT] = 2; + ep_map->ep_mapping[RTL_TXQ_BCN] = 2; + ep_map->ep_mapping[RTL_TXQ_HI] = 2; + } +} + +static void _OneOutEpMapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map) +{ + ep_map->ep_mapping[RTL_TXQ_BE] = 2; + ep_map->ep_mapping[RTL_TXQ_BK] = 2; + ep_map->ep_mapping[RTL_TXQ_VI] = 2; + ep_map->ep_mapping[RTL_TXQ_VO] = 2; + ep_map->ep_mapping[RTL_TXQ_MGT] = 2; + ep_map->ep_mapping[RTL_TXQ_BCN] = 2; + ep_map->ep_mapping[RTL_TXQ_HI] = 2; +} +static int _out_ep_mapping(struct ieee80211_hw *hw) +{ + int err = 0; + bool bIsChipN, bwificfg = false; + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw); + struct rtl_usb *rtlusb = rtl_usbdev(usb_priv); + struct rtl_ep_map *ep_map = &(rtlusb->ep_map); + + bIsChipN = IS_NORMAL_CHIP(rtlhal->version); + switch (rtlusb->out_ep_nums) { + case 2: + _TwoOutEpMapping(hw, bIsChipN, bwificfg, ep_map); + break; + case 3: + /* Test chip doesn't support three out EPs. */ + if (!bIsChipN) { + err = -EINVAL; + goto err_out; + } + _ThreeOutEpMapping(hw, bIsChipN, ep_map); + break; + case 1: + _OneOutEpMapping(hw, ep_map); + break; + default: + err = -EINVAL; + break; + } +err_out: + return err; + +} +/* endpoint mapping */ +int rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw) +{ + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + int error = 0; + if (likely(IS_NORMAL_CHIP(rtlhal->version))) + error = _ConfigVerNOutEP(hw); + else + error = _ConfigVerTOutEP(hw); + if (error) + goto err_out; + error = _out_ep_mapping(hw); + if (error) + goto err_out; +err_out: + return error; +} + +u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index) +{ + u16 hw_queue_index; + + if (unlikely(ieee80211_is_beacon(fc))) { + hw_queue_index = RTL_TXQ_BCN; + goto out; + } + if (ieee80211_is_mgmt(fc)) { + hw_queue_index = RTL_TXQ_MGT; + goto out; + } + switch (mac80211_queue_index) { + case 0: + hw_queue_index = RTL_TXQ_VO; + break; + case 1: + hw_queue_index = RTL_TXQ_VI; + break; + case 2: + hw_queue_index = RTL_TXQ_BE; + break; + case 3: + hw_queue_index = RTL_TXQ_BK; + break; + default: + hw_queue_index = RTL_TXQ_BE; + RT_ASSERT(false, "QSLT_BE queue, skb_queue:%d\n", + mac80211_queue_index); + break; + } +out: + return hw_queue_index; +} + +static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw, + __le16 fc, u16 mac80211_queue_index) +{ + enum rtl_desc_qsel qsel; + struct rtl_priv *rtlpriv = rtl_priv(hw); + + if (unlikely(ieee80211_is_beacon(fc))) { + qsel = QSLT_BEACON; + goto out; + } + if (ieee80211_is_mgmt(fc)) { + qsel = QSLT_MGNT; + goto out; + } + switch (mac80211_queue_index) { + case 0: /* VO */ + qsel = QSLT_VO; + RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, + "VO queue, set qsel = 0x%x\n", QSLT_VO); + break; + case 1: /* VI */ + qsel = QSLT_VI; + RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, + "VI queue, set qsel = 0x%x\n", QSLT_VI); + break; + case 3: /* BK */ + qsel = QSLT_BK; + RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, + "BK queue, set qsel = 0x%x\n", QSLT_BK); + break; + case 2: /* BE */ + default: + qsel = QSLT_BE; + RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG, + "BE queue, set qsel = 0x%x\n", QSLT_BE); + break; + } +out: + return qsel; +} + +/* =============================================================== */ + +/*---------------------------------------------------------------------- + * + * Rx handler + * + *---------------------------------------------------------------------- */ +bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw, + struct rtl_stats *stats, + struct ieee80211_rx_status *rx_status, + u8 *pdesc, struct sk_buff *skb) +{ + struct rx_fwinfo_92c *p_drvinfo; + struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc; + u32 phystatus = GET_RX_DESC_PHY_STATUS(pdesc); + + stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc); + stats->rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(pdesc) * + RX_DRV_INFO_SIZE_UNIT; + stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03); + stats->icv = (u16) GET_RX_DESC_ICV(pdesc); + stats->crc = (u16) GET_RX_DESC_CRC32(pdesc); + stats->hwerror = (stats->crc | stats->icv); + stats->decrypted = !GET_RX_DESC_SWDEC(pdesc); + stats->rate = (u8) GET_RX_DESC_RX_MCS(pdesc); + stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc); + stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1); + stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1) + && (GET_RX_DESC_FAGGR(pdesc) == 1)); + stats->timestamp_low = GET_RX_DESC_TSFL(pdesc); + stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc); + stats->is_ht = (bool)GET_RX_DESC_RX_HT(pdesc); + rx_status->freq = hw->conf.chandef.chan->center_freq; + rx_status->band = hw->conf.chandef.chan->band; + if (GET_RX_DESC_CRC32(pdesc)) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + if (!GET_RX_DESC_SWDEC(pdesc)) + rx_status->flag |= RX_FLAG_DECRYPTED; + if (GET_RX_DESC_BW(pdesc)) + rx_status->flag |= RX_FLAG_40MHZ; + if (GET_RX_DESC_RX_HT(pdesc)) + rx_status->flag |= RX_FLAG_HT; + rx_status->flag |= RX_FLAG_MACTIME_START; + if (stats->decrypted) + rx_status->flag |= RX_FLAG_DECRYPTED; + rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht, + false, stats->rate); + rx_status->mactime = GET_RX_DESC_TSFL(pdesc); + if (phystatus) { + p_drvinfo = (struct rx_fwinfo_92c *)(skb->data + + stats->rx_bufshift); + rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc, + p_drvinfo); + } + /*rx_status->qual = stats->signal; */ + rx_status->signal = stats->recvsignalpower + 10; + return true; +} + +#define RTL_RX_DRV_INFO_UNIT 8 + +static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb) +{ + struct ieee80211_rx_status *rx_status = + (struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb); + u32 skb_len, pkt_len, drvinfo_len; + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 *rxdesc; + struct rtl_stats stats = { + .signal = 0, + .rate = 0, + }; + struct rx_fwinfo_92c *p_drvinfo; + bool bv; + __le16 fc; + struct ieee80211_hdr *hdr; + + memset(rx_status, 0, sizeof(*rx_status)); + rxdesc = skb->data; + skb_len = skb->len; + drvinfo_len = (GET_RX_DESC_DRVINFO_SIZE(rxdesc) * RTL_RX_DRV_INFO_UNIT); + pkt_len = GET_RX_DESC_PKT_LEN(rxdesc); + /* TODO: Error recovery. drop this skb or something. */ + WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len)); + stats.length = (u16) GET_RX_DESC_PKT_LEN(rxdesc); + stats.rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(rxdesc) * + RX_DRV_INFO_SIZE_UNIT; + stats.rx_bufshift = (u8) (GET_RX_DESC_SHIFT(rxdesc) & 0x03); + stats.icv = (u16) GET_RX_DESC_ICV(rxdesc); + stats.crc = (u16) GET_RX_DESC_CRC32(rxdesc); + stats.hwerror = (stats.crc | stats.icv); + stats.decrypted = !GET_RX_DESC_SWDEC(rxdesc); + stats.rate = (u8) GET_RX_DESC_RX_MCS(rxdesc); + stats.shortpreamble = (u16) GET_RX_DESC_SPLCP(rxdesc); + stats.isampdu = (bool) ((GET_RX_DESC_PAGGR(rxdesc) == 1) + && (GET_RX_DESC_FAGGR(rxdesc) == 1)); + stats.timestamp_low = GET_RX_DESC_TSFL(rxdesc); + stats.rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(rxdesc); + stats.is_ht = (bool)GET_RX_DESC_RX_HT(rxdesc); + /* TODO: is center_freq changed when doing scan? */ + /* TODO: Shall we add protection or just skip those two step? */ + rx_status->freq = hw->conf.chandef.chan->center_freq; + rx_status->band = hw->conf.chandef.chan->band; + if (GET_RX_DESC_CRC32(rxdesc)) + rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; + if (!GET_RX_DESC_SWDEC(rxdesc)) + rx_status->flag |= RX_FLAG_DECRYPTED; + if (GET_RX_DESC_BW(rxdesc)) + rx_status->flag |= RX_FLAG_40MHZ; + if (GET_RX_DESC_RX_HT(rxdesc)) + rx_status->flag |= RX_FLAG_HT; + /* Data rate */ + rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats.is_ht, + false, stats.rate); + /* There is a phy status after this rx descriptor. */ + if (GET_RX_DESC_PHY_STATUS(rxdesc)) { + p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE); + rtl92c_translate_rx_signal_stuff(hw, skb, &stats, + (struct rx_desc_92c *)rxdesc, p_drvinfo); + } + skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE)); + hdr = (struct ieee80211_hdr *)(skb->data); + fc = hdr->frame_control; + bv = ieee80211_is_probe_resp(fc); + if (bv) + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, + "Got probe response frame\n"); + if (ieee80211_is_beacon(fc)) + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got beacon frame\n"); + if (ieee80211_is_data(fc)) + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got data frame\n"); + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, + "Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:0x%02X\n", + fc, + (u32)hdr->addr1[0], (u32)hdr->addr1[1], + (u32)hdr->addr1[2], (u32)hdr->addr1[3], + (u32)hdr->addr1[4], (u32)hdr->addr1[5]); + memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status)); + ieee80211_rx(hw, skb); +} + +void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb) +{ + _rtl_rx_process(hw, skb); +} + +void rtl8192c_rx_segregate_hdl( + struct ieee80211_hw *hw, + struct sk_buff *skb, + struct sk_buff_head *skb_list) +{ +} + +/*---------------------------------------------------------------------- + * + * Tx handler + * + *---------------------------------------------------------------------- */ +void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb) +{ +} + +int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb, + struct sk_buff *skb) +{ + return 0; +} + +struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw, + struct sk_buff_head *list) +{ + return skb_dequeue(list); +} + +/*======================================== trx ===============================*/ + +static void _rtl_fill_usb_tx_desc(u8 *txdesc) +{ + SET_TX_DESC_OWN(txdesc, 1); + SET_TX_DESC_LAST_SEG(txdesc, 1); + SET_TX_DESC_FIRST_SEG(txdesc, 1); +} +/** + * For HW recovery information + */ +static void _rtl_tx_desc_checksum(u8 *txdesc) +{ + u16 *ptr = (u16 *)txdesc; + u16 checksum = 0; + u32 index; + + /* Clear first */ + SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, 0); + for (index = 0; index < 16; index++) + checksum = checksum ^ (*(ptr + index)); + SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, checksum); +} + +void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw, + struct ieee80211_hdr *hdr, u8 *pdesc_tx, + u8 *pbd_desc_tx, struct ieee80211_tx_info *info, + struct ieee80211_sta *sta, + struct sk_buff *skb, + u8 queue_index, + struct rtl_tcb_desc *tcb_desc) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); + bool defaultadapter = true; + u8 *qc = ieee80211_get_qos_ctl(hdr); + u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; + u16 seq_number; + __le16 fc = hdr->frame_control; + u8 rate_flag = info->control.rates[0].flags; + u16 pktlen = skb->len; + enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc, + skb_get_queue_mapping(skb)); + u8 *txdesc; + + seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; + rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc); + txdesc = (u8 *)skb_push(skb, RTL_TX_HEADER_SIZE); + memset(txdesc, 0, RTL_TX_HEADER_SIZE); + SET_TX_DESC_PKT_SIZE(txdesc, pktlen); + SET_TX_DESC_LINIP(txdesc, 0); + SET_TX_DESC_PKT_OFFSET(txdesc, RTL_DUMMY_OFFSET); + SET_TX_DESC_OFFSET(txdesc, RTL_TX_HEADER_SIZE); + SET_TX_DESC_TX_RATE(txdesc, tcb_desc->hw_rate); + if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble) + SET_TX_DESC_DATA_SHORTGI(txdesc, 1); + if (mac->tids[tid].agg.agg_state == RTL_AGG_ON && + info->flags & IEEE80211_TX_CTL_AMPDU) { + SET_TX_DESC_AGG_ENABLE(txdesc, 1); + SET_TX_DESC_MAX_AGG_NUM(txdesc, 0x14); + } else { + SET_TX_DESC_AGG_BREAK(txdesc, 1); + } + SET_TX_DESC_SEQ(txdesc, seq_number); + SET_TX_DESC_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable && + !tcb_desc->cts_enable) ? 1 : 0)); + SET_TX_DESC_HW_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable || + tcb_desc->cts_enable) ? 1 : 0)); + SET_TX_DESC_CTS2SELF(txdesc, ((tcb_desc->cts_enable) ? 1 : 0)); + SET_TX_DESC_RTS_STBC(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0)); + SET_TX_DESC_RTS_RATE(txdesc, tcb_desc->rts_rate); + SET_TX_DESC_RTS_BW(txdesc, 0); + SET_TX_DESC_RTS_SC(txdesc, tcb_desc->rts_sc); + SET_TX_DESC_RTS_SHORT(txdesc, + ((tcb_desc->rts_rate <= DESC_RATE54M) ? + (tcb_desc->rts_use_shortpreamble ? 1 : 0) + : (tcb_desc->rts_use_shortgi ? 1 : 0))); + if (mac->bw_40) { + if (rate_flag & IEEE80211_TX_RC_DUP_DATA) { + SET_TX_DESC_DATA_BW(txdesc, 1); + SET_TX_DESC_DATA_SC(txdesc, 3); + } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){ + SET_TX_DESC_DATA_BW(txdesc, 1); + SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc); + } else { + SET_TX_DESC_DATA_BW(txdesc, 0); + SET_TX_DESC_DATA_SC(txdesc, 0); + } + } else { + SET_TX_DESC_DATA_BW(txdesc, 0); + SET_TX_DESC_DATA_SC(txdesc, 0); + } + rcu_read_lock(); + sta = ieee80211_find_sta(mac->vif, mac->bssid); + if (sta) { + u8 ampdu_density = sta->ht_cap.ampdu_density; + SET_TX_DESC_AMPDU_DENSITY(txdesc, ampdu_density); + } + rcu_read_unlock(); + if (info->control.hw_key) { + struct ieee80211_key_conf *keyconf = info->control.hw_key; + switch (keyconf->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + case WLAN_CIPHER_SUITE_TKIP: + SET_TX_DESC_SEC_TYPE(txdesc, 0x1); + break; + case WLAN_CIPHER_SUITE_CCMP: + SET_TX_DESC_SEC_TYPE(txdesc, 0x3); + break; + default: + SET_TX_DESC_SEC_TYPE(txdesc, 0x0); + break; + } + } + SET_TX_DESC_PKT_ID(txdesc, 0); + SET_TX_DESC_QUEUE_SEL(txdesc, fw_qsel); + SET_TX_DESC_DATA_RATE_FB_LIMIT(txdesc, 0x1F); + SET_TX_DESC_RTS_RATE_FB_LIMIT(txdesc, 0xF); + SET_TX_DESC_DISABLE_FB(txdesc, 0); + SET_TX_DESC_USE_RATE(txdesc, tcb_desc->use_driver_rate ? 1 : 0); + if (ieee80211_is_data_qos(fc)) { + if (mac->rdg_en) { + RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, + "Enable RDG function\n"); + SET_TX_DESC_RDG_ENABLE(txdesc, 1); + SET_TX_DESC_HTC(txdesc, 1); + } + } + if (rtlpriv->dm.useramask) { + SET_TX_DESC_RATE_ID(txdesc, tcb_desc->ratr_index); + SET_TX_DESC_MACID(txdesc, tcb_desc->mac_id); + } else { + SET_TX_DESC_RATE_ID(txdesc, 0xC + tcb_desc->ratr_index); + SET_TX_DESC_MACID(txdesc, tcb_desc->ratr_index); + } + if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps && + ppsc->fwctrl_lps) { + SET_TX_DESC_HWSEQ_EN(txdesc, 1); + SET_TX_DESC_PKT_ID(txdesc, 8); + if (!defaultadapter) + SET_TX_DESC_QOS(txdesc, 1); + } + if (ieee80211_has_morefrags(fc)) + SET_TX_DESC_MORE_FRAG(txdesc, 1); + if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || + is_broadcast_ether_addr(ieee80211_get_DA(hdr))) + SET_TX_DESC_BMC(txdesc, 1); + _rtl_fill_usb_tx_desc(txdesc); + _rtl_tx_desc_checksum(txdesc); + RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n"); +} + +void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc, + u32 buffer_len, bool bIsPsPoll) +{ + /* Clear all status */ + memset(pDesc, 0, RTL_TX_HEADER_SIZE); + SET_TX_DESC_FIRST_SEG(pDesc, 1); /* bFirstSeg; */ + SET_TX_DESC_LAST_SEG(pDesc, 1); /* bLastSeg; */ + SET_TX_DESC_OFFSET(pDesc, RTL_TX_HEADER_SIZE); /* Offset = 32 */ + SET_TX_DESC_PKT_SIZE(pDesc, buffer_len); /* Buffer size + command hdr */ + SET_TX_DESC_QUEUE_SEL(pDesc, QSLT_MGNT); /* Fixed queue of Mgnt queue */ + /* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error + * vlaue by Hw. */ + if (bIsPsPoll) { + SET_TX_DESC_NAV_USE_HDR(pDesc, 1); + } else { + SET_TX_DESC_HWSEQ_EN(pDesc, 1); /* Hw set sequence number */ + SET_TX_DESC_PKT_ID(pDesc, 0x100); /* set bit3 to 1. */ + } + SET_TX_DESC_USE_RATE(pDesc, 1); /* use data rate which is set by Sw */ + SET_TX_DESC_OWN(pDesc, 1); + SET_TX_DESC_TX_RATE(pDesc, DESC_RATE1M); + _rtl_tx_desc_checksum(pDesc); +} + +void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw, + u8 *pdesc, bool firstseg, + bool lastseg, struct sk_buff *skb) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 fw_queue = QSLT_BEACON; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); + __le16 fc = hdr->frame_control; + + memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE); + if (firstseg) + SET_TX_DESC_OFFSET(pdesc, RTL_TX_HEADER_SIZE); + SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M); + SET_TX_DESC_SEQ(pdesc, 0); + SET_TX_DESC_LINIP(pdesc, 0); + SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue); + SET_TX_DESC_FIRST_SEG(pdesc, 1); + SET_TX_DESC_LAST_SEG(pdesc, 1); + SET_TX_DESC_RATE_ID(pdesc, 7); + SET_TX_DESC_MACID(pdesc, 0); + SET_TX_DESC_OWN(pdesc, 1); + SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb->len); + SET_TX_DESC_FIRST_SEG(pdesc, 1); + SET_TX_DESC_LAST_SEG(pdesc, 1); + SET_TX_DESC_OFFSET(pdesc, 0x20); + SET_TX_DESC_USE_RATE(pdesc, 1); + if (!ieee80211_is_data_qos(fc)) { + SET_TX_DESC_HWSEQ_EN(pdesc, 1); + SET_TX_DESC_PKT_ID(pdesc, 8); + } + RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content", + pdesc, RTL_TX_DESC_SIZE); +} + +bool rtl92cu_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) +{ + return true; +} |