diff options
Diffstat (limited to 'kernel/drivers/net/wireless/brcm80211/brcmfmac/p2p.c')
| -rw-r--r-- | kernel/drivers/net/wireless/brcm80211/brcmfmac/p2p.c | 2427 |
1 files changed, 2427 insertions, 0 deletions
diff --git a/kernel/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/kernel/drivers/net/wireless/brcm80211/brcmfmac/p2p.c new file mode 100644 index 000000000..710fbe570 --- /dev/null +++ b/kernel/drivers/net/wireless/brcm80211/brcmfmac/p2p.c @@ -0,0 +1,2427 @@ +/* + * Copyright (c) 2012 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/slab.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <net/cfg80211.h> + +#include <brcmu_wifi.h> +#include <brcmu_utils.h> +#include <defs.h> +#include "core.h" +#include "debug.h" +#include "fwil.h" +#include "fwil_types.h" +#include "p2p.h" +#include "cfg80211.h" + +/* parameters used for p2p escan */ +#define P2PAPI_SCAN_NPROBES 1 +#define P2PAPI_SCAN_DWELL_TIME_MS 80 +#define P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS 40 +#define P2PAPI_SCAN_HOME_TIME_MS 60 +#define P2PAPI_SCAN_NPROBS_TIME_MS 30 +#define P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS 100 +#define WL_SCAN_CONNECT_DWELL_TIME_MS 200 +#define WL_SCAN_JOIN_PROBE_INTERVAL_MS 20 + +#define BRCMF_P2P_WILDCARD_SSID "DIRECT-" +#define BRCMF_P2P_WILDCARD_SSID_LEN (sizeof(BRCMF_P2P_WILDCARD_SSID) - 1) + +#define SOCIAL_CHAN_1 1 +#define SOCIAL_CHAN_2 6 +#define SOCIAL_CHAN_3 11 +#define IS_P2P_SOCIAL_CHANNEL(channel) ((channel == SOCIAL_CHAN_1) || \ + (channel == SOCIAL_CHAN_2) || \ + (channel == SOCIAL_CHAN_3)) +#define BRCMF_P2P_TEMP_CHAN SOCIAL_CHAN_3 +#define SOCIAL_CHAN_CNT 3 +#define AF_PEER_SEARCH_CNT 2 + +#define BRCMF_SCB_TIMEOUT_VALUE 20 + +#define P2P_VER 9 /* P2P version: 9=WiFi P2P v1.0 */ +#define P2P_PUB_AF_CATEGORY 0x04 +#define P2P_PUB_AF_ACTION 0x09 +#define P2P_AF_CATEGORY 0x7f +#define P2P_OUI "\x50\x6F\x9A" /* P2P OUI */ +#define P2P_OUI_LEN 3 /* P2P OUI length */ + +/* Action Frame Constants */ +#define DOT11_ACTION_HDR_LEN 2 /* action frame category + action */ +#define DOT11_ACTION_CAT_OFF 0 /* category offset */ +#define DOT11_ACTION_ACT_OFF 1 /* action offset */ + +#define P2P_AF_DWELL_TIME 200 +#define P2P_AF_MIN_DWELL_TIME 100 +#define P2P_AF_MED_DWELL_TIME 400 +#define P2P_AF_LONG_DWELL_TIME 1000 +#define P2P_AF_TX_MAX_RETRY 1 +#define P2P_AF_MAX_WAIT_TIME 2000 +#define P2P_INVALID_CHANNEL -1 +#define P2P_CHANNEL_SYNC_RETRY 5 +#define P2P_AF_FRM_SCAN_MAX_WAIT 1500 +#define P2P_DEFAULT_SLEEP_TIME_VSDB 200 + +/* WiFi P2P Public Action Frame OUI Subtypes */ +#define P2P_PAF_GON_REQ 0 /* Group Owner Negotiation Req */ +#define P2P_PAF_GON_RSP 1 /* Group Owner Negotiation Rsp */ +#define P2P_PAF_GON_CONF 2 /* Group Owner Negotiation Confirm */ +#define P2P_PAF_INVITE_REQ 3 /* P2P Invitation Request */ +#define P2P_PAF_INVITE_RSP 4 /* P2P Invitation Response */ +#define P2P_PAF_DEVDIS_REQ 5 /* Device Discoverability Request */ +#define P2P_PAF_DEVDIS_RSP 6 /* Device Discoverability Response */ +#define P2P_PAF_PROVDIS_REQ 7 /* Provision Discovery Request */ +#define P2P_PAF_PROVDIS_RSP 8 /* Provision Discovery Response */ +#define P2P_PAF_SUBTYPE_INVALID 255 /* Invalid Subtype */ + +/* WiFi P2P Action Frame OUI Subtypes */ +#define P2P_AF_NOTICE_OF_ABSENCE 0 /* Notice of Absence */ +#define P2P_AF_PRESENCE_REQ 1 /* P2P Presence Request */ +#define P2P_AF_PRESENCE_RSP 2 /* P2P Presence Response */ +#define P2P_AF_GO_DISC_REQ 3 /* GO Discoverability Request */ + +/* P2P Service Discovery related */ +#define P2PSD_ACTION_CATEGORY 0x04 /* Public action frame */ +#define P2PSD_ACTION_ID_GAS_IREQ 0x0a /* GAS Initial Request AF */ +#define P2PSD_ACTION_ID_GAS_IRESP 0x0b /* GAS Initial Response AF */ +#define P2PSD_ACTION_ID_GAS_CREQ 0x0c /* GAS Comback Request AF */ +#define P2PSD_ACTION_ID_GAS_CRESP 0x0d /* GAS Comback Response AF */ + +/** + * struct brcmf_p2p_disc_st_le - set discovery state in firmware. + * + * @state: requested discovery state (see enum brcmf_p2p_disc_state). + * @chspec: channel parameter for %WL_P2P_DISC_ST_LISTEN state. + * @dwell: dwell time in ms for %WL_P2P_DISC_ST_LISTEN state. + */ +struct brcmf_p2p_disc_st_le { + u8 state; + __le16 chspec; + __le16 dwell; +}; + +/** + * enum brcmf_p2p_disc_state - P2P discovery state values + * + * @WL_P2P_DISC_ST_SCAN: P2P discovery with wildcard SSID and P2P IE. + * @WL_P2P_DISC_ST_LISTEN: P2P discovery off-channel for specified time. + * @WL_P2P_DISC_ST_SEARCH: P2P discovery with P2P wildcard SSID and P2P IE. + */ +enum brcmf_p2p_disc_state { + WL_P2P_DISC_ST_SCAN, + WL_P2P_DISC_ST_LISTEN, + WL_P2P_DISC_ST_SEARCH +}; + +/** + * struct brcmf_p2p_scan_le - P2P specific scan request. + * + * @type: type of scan method requested (values: 'E' or 'S'). + * @reserved: reserved (ignored). + * @eparams: parameters used for type 'E'. + * @sparams: parameters used for type 'S'. + */ +struct brcmf_p2p_scan_le { + u8 type; + u8 reserved[3]; + union { + struct brcmf_escan_params_le eparams; + struct brcmf_scan_params_le sparams; + }; +}; + +/** + * struct brcmf_p2p_pub_act_frame - WiFi P2P Public Action Frame + * + * @category: P2P_PUB_AF_CATEGORY + * @action: P2P_PUB_AF_ACTION + * @oui[3]: P2P_OUI + * @ou |