1 /* 2 * Copyright (c) 2010 Broadcom Corporation 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef BRCMFMAC_CFG80211_H 18 #define BRCMFMAC_CFG80211_H 19 20 /* for brcmu_d11inf */ 21 #include <brcmu_d11.h> 22 23 #include "core.h" 24 #include "fwil_types.h" 25 #include "p2p.h" 26 27 #define BRCMF_SCAN_IE_LEN_MAX 2048 28 29 #define WL_NUM_SCAN_MAX 10 30 #define WL_TLV_INFO_MAX 1024 31 #define WL_BSS_INFO_MAX 2048 32 #define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */ 33 #define WL_EXTRA_BUF_MAX 2048 34 #define WL_ROAM_TRIGGER_LEVEL -75 35 #define WL_ROAM_DELTA 20 36 37 /* Keep BRCMF_ESCAN_BUF_SIZE below 64K (65536). Allocing over 64K can be 38 * problematic on some systems and should be avoided. 39 */ 40 #define BRCMF_ESCAN_BUF_SIZE 65000 41 #define BRCMF_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */ 42 43 #define WL_ESCAN_ACTION_START 1 44 #define WL_ESCAN_ACTION_CONTINUE 2 45 #define WL_ESCAN_ACTION_ABORT 3 46 47 #define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */ 48 #define IE_MAX_LEN 512 49 50 /* IE TLV processing */ 51 #define TLV_LEN_OFF 1 /* length offset */ 52 #define TLV_HDR_LEN 2 /* header length */ 53 #define TLV_BODY_OFF 2 /* body offset */ 54 #define TLV_OUI_LEN 3 /* oui id length */ 55 56 /* 802.11 Mgmt Packet flags */ 57 #define BRCMF_VNDR_IE_BEACON_FLAG 0x1 58 #define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2 59 #define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4 60 #define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8 61 #define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10 62 #define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20 63 /* vendor IE in IW advertisement protocol ID field */ 64 #define BRCMF_VNDR_IE_IWAPID_FLAG 0x40 65 /* allow custom IE id */ 66 #define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100 67 68 /* P2P Action Frames flags (spec ordered) */ 69 #define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000 70 #define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000 71 #define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000 72 #define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000 73 #define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000 74 #define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000 75 #define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000 76 #define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000 77 #define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000 78 79 #define BRCMF_VNDR_IE_P2PAF_SHIFT 12 80 81 #define BRCMF_MAX_DEFAULT_KEYS 6 82 83 /* beacon loss timeout defaults */ 84 #define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON 2 85 #define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF 4 86 87 #define BRCMF_VIF_EVENT_TIMEOUT msecs_to_jiffies(1500) 88 89 /** 90 * enum brcmf_scan_status - scan engine status 91 * 92 * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle. 93 * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle. 94 * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver. 95 */ 96 enum brcmf_scan_status { 97 BRCMF_SCAN_STATUS_BUSY, 98 BRCMF_SCAN_STATUS_ABORT, 99 BRCMF_SCAN_STATUS_SUPPRESS, 100 }; 101 102 /* dongle configuration */ 103 struct brcmf_cfg80211_conf { 104 u32 frag_threshold; 105 u32 rts_threshold; 106 u32 retry_short; 107 u32 retry_long; 108 }; 109 110 /* security information with currently associated ap */ 111 struct brcmf_cfg80211_security { 112 u32 wpa_versions; 113 u32 auth_type; 114 u32 cipher_pairwise; 115 u32 cipher_group; 116 }; 117 118 enum brcmf_profile_fwsup { 119 BRCMF_PROFILE_FWSUP_NONE, 120 BRCMF_PROFILE_FWSUP_PSK, 121 BRCMF_PROFILE_FWSUP_1X 122 }; 123 124 /** 125 * struct brcmf_cfg80211_profile - profile information. 126 * 127 * @bssid: bssid of joined/joining ibss. 128 * @sec: security information. 129 * @key: key information 130 */ 131 struct brcmf_cfg80211_profile { 132 u8 bssid[ETH_ALEN]; 133 struct brcmf_cfg80211_security sec; 134 struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS]; 135 enum brcmf_profile_fwsup use_fwsup; 136 }; 137 138 /** 139 * enum brcmf_vif_status - bit indices for vif status. 140 * 141 * @BRCMF_VIF_STATUS_READY: ready for operation. 142 * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress. 143 * @BRCMF_VIF_STATUS_CONNECTED: connected/joined successfully. 144 * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress. 145 * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started. 146 * @BRCMF_VIF_STATUS_EAP_SUCCUSS: EAPOL handshake successful. 147 * @BRCMF_VIF_STATUS_ASSOC_SUCCESS: successful SET_SSID received. 148 */ 149 enum brcmf_vif_status { 150 BRCMF_VIF_STATUS_READY, 151 BRCMF_VIF_STATUS_CONNECTING, 152 BRCMF_VIF_STATUS_CONNECTED, 153 BRCMF_VIF_STATUS_DISCONNECTING, 154 BRCMF_VIF_STATUS_AP_CREATED, 155 BRCMF_VIF_STATUS_EAP_SUCCESS, 156 BRCMF_VIF_STATUS_ASSOC_SUCCESS, 157 }; 158 159 /** 160 * struct vif_saved_ie - holds saved IEs for a virtual interface. 161 * 162 * @probe_req_ie: IE info for probe request. 163 * @probe_res_ie: IE info for probe response. 164 * @beacon_ie: IE info for beacon frame. 165 * @probe_req_ie_len: IE info length for probe request. 166 * @probe_res_ie_len: IE info length for probe response. 167 * @beacon_ie_len: IE info length for beacon frame. 168 */ 169 struct vif_saved_ie { 170 u8 probe_req_ie[IE_MAX_LEN]; 171 u8 probe_res_ie[IE_MAX_LEN]; 172 u8 beacon_ie[IE_MAX_LEN]; 173 u8 assoc_req_ie[IE_MAX_LEN]; 174 u32 probe_req_ie_len; 175 u32 probe_res_ie_len; 176 u32 beacon_ie_len; 177 u32 assoc_req_ie_len; 178 }; 179 180 /** 181 * struct brcmf_cfg80211_vif - virtual interface specific information. 182 * 183 * @ifp: lower layer interface pointer 184 * @wdev: wireless device. 185 * @profile: profile information. 186 * @sme_state: SME state using enum brcmf_vif_status bits. 187 * @list: linked list. 188 * @mgmt_rx_reg: registered rx mgmt frame types. 189 * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P). 190 */ 191 struct brcmf_cfg80211_vif { 192 struct brcmf_if *ifp; 193 struct wireless_dev wdev; 194 struct brcmf_cfg80211_profile profile; 195 unsigned long sme_state; 196 struct vif_saved_ie saved_ie; 197 struct list_head list; 198 u16 mgmt_rx_reg; 199 bool mbss; 200 int is_11d; 201 }; 202 203 /* association inform */ 204 struct brcmf_cfg80211_connect_info { 205 u8 *req_ie; 206 s32 req_ie_len; 207 u8 *resp_ie; 208 s32 resp_ie_len; 209 }; 210 211 /* assoc ie length */ 212 struct brcmf_cfg80211_assoc_ielen_le { 213 __le32 req_len; 214 __le32 resp_len; 215 }; 216 217 /* dongle escan state */ 218 enum wl_escan_state { 219 WL_ESCAN_STATE_IDLE, 220 WL_ESCAN_STATE_SCANNING 221 }; 222 223 struct escan_info { 224 u32 escan_state; 225 u8 *escan_buf; 226 struct wiphy *wiphy; 227 struct brcmf_if *ifp; 228 s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, 229 struct cfg80211_scan_request *request); 230 }; 231 232 /** 233 * struct brcmf_cfg80211_vif_event - virtual interface event information. 234 * 235 * @vif_wq: waitqueue awaiting interface event from firmware. 236 * @vif_event_lock: protects other members in this structure. 237 * @vif_complete: completion for net attach. 238 * @action: either add, change, or delete. 239 * @vif: virtual interface object related to the event. 240 */ 241 struct brcmf_cfg80211_vif_event { 242 wait_queue_head_t vif_wq; 243 spinlock_t vif_event_lock; 244 u8 action; 245 struct brcmf_cfg80211_vif *vif; 246 }; 247 248 /** 249 * struct brcmf_cfg80211_wowl - wowl related information. 250 * 251 * @active: set on suspend, cleared on resume. 252 * @pre_pmmode: firmware PM mode at entering suspend. 253 * @nd: net dectect data. 254 * @nd_info: helper struct to pass to cfg80211. 255 * @nd_data_wait: wait queue to sync net detect data. 256 * @nd_data_completed: completion for net detect data. 257 * @nd_enabled: net detect enabled. 258 */ 259 struct brcmf_cfg80211_wowl { 260 bool active; 261 u32 pre_pmmode; 262 struct cfg80211_wowlan_nd_match *nd; 263 struct cfg80211_wowlan_nd_info *nd_info; 264 wait_queue_head_t nd_data_wait; 265 bool nd_data_completed; 266 bool nd_enabled; 267 }; 268 269 /** 270 * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface 271 * 272 * @wiphy: wiphy object for cfg80211 interface. 273 * @ops: pointer to copy of ops as registered with wiphy object. 274 * @conf: dongle configuration. 275 * @p2p: peer-to-peer specific information. 276 * @btcoex: Bluetooth coexistence information. 277 * @scan_request: cfg80211 scan request object. 278 * @usr_sync: mainly for dongle up/down synchronization. 279 * @bss_list: bss_list holding scanned ap information. 280 * @bss_info: bss information for cfg80211 layer. 281 * @conn_info: association info. 282 * @pmk_list: wpa2 pmk list. 283 * @scan_status: scan activity on the dongle. 284 * @pub: common driver information. 285 * @channel: current channel. 286 * @int_escan_map: bucket map for which internal e-scan is done. 287 * @ibss_starter: indicates this sta is ibss starter. 288 * @pwr_save: indicate whether dongle to support power save mode. 289 * @dongle_up: indicate whether dongle up or not. 290 * @roam_on: on/off switch for dongle self-roaming. 291 * @scan_tried: indicates if first scan attempted. 292 * @dcmd_buf: dcmd buffer. 293 * @extra_buf: mainly to grab assoc information. 294 * @debugfsdir: debugfs folder for this device. 295 * @escan_info: escan information. 296 * @escan_timeout: Timer for catch scan timeout. 297 * @escan_timeout_work: scan timeout worker. 298 * @vif_list: linked list of vif instances. 299 * @vif_cnt: number of vif instances. 300 * @vif_event: vif event signalling. 301 * @wowl: wowl related information. 302 * @pno: information of pno module. 303 */ 304 struct brcmf_cfg80211_info { 305 struct wiphy *wiphy; 306 struct cfg80211_ops *ops; 307 struct brcmf_cfg80211_conf *conf; 308 struct brcmf_p2p_info p2p; 309 struct brcmf_btcoex_info *btcoex; 310 struct cfg80211_scan_request *scan_request; 311 struct mutex usr_sync; 312 struct wl_cfg80211_bss_info *bss_info; 313 struct brcmf_cfg80211_connect_info conn_info; 314 struct brcmf_pmk_list_le pmk_list; 315 unsigned long scan_status; 316 struct brcmf_pub *pub; 317 u32 channel; 318 u32 int_escan_map; 319 bool ibss_starter; 320 bool pwr_save; 321 bool dongle_up; 322 bool scan_tried; 323 u8 *dcmd_buf; 324 u8 *extra_buf; 325 struct dentry *debugfsdir; 326 struct escan_info escan_info; 327 struct timer_list escan_timeout; 328 struct work_struct escan_timeout_work; 329 struct list_head vif_list; 330 struct brcmf_cfg80211_vif_event vif_event; 331 struct completion vif_disabled; 332 struct brcmu_d11inf d11inf; 333 struct brcmf_assoclist_le assoclist; 334 struct brcmf_cfg80211_wowl wowl; 335 struct brcmf_pno_info *pno; 336 }; 337 338 /** 339 * struct brcmf_tlv - tag_ID/length/value_buffer tuple. 340 * 341 * @id: tag identifier. 342 * @len: number of bytes in value buffer. 343 * @data: value buffer. 344 */ 345 struct brcmf_tlv { 346 u8 id; 347 u8 len; 348 u8 data[1]; 349 }; 350 351 static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg) 352 { 353 return cfg->wiphy; 354 } 355 356 static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w) 357 { 358 struct brcmf_pub *drvr = wiphy_priv(w); 359 return drvr->config; 360 } 361 362 static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd) 363 { 364 return wiphy_to_cfg(wd->wiphy); 365 } 366 367 static inline struct brcmf_cfg80211_vif *wdev_to_vif(struct wireless_dev *wdev) 368 { 369 return container_of(wdev, struct brcmf_cfg80211_vif, wdev); 370 } 371 372 static inline 373 struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg) 374 { 375 return brcmf_get_ifp(cfg->pub, 0)->ndev; 376 } 377 378 static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev) 379 { 380 return wdev_to_cfg(ndev->ieee80211_ptr); 381 } 382 383 static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd) 384 { 385 struct brcmf_if *ifp = netdev_priv(nd); 386 return &ifp->vif->profile; 387 } 388 389 static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev) 390 { 391 struct brcmf_if *ifp = netdev_priv(ndev); 392 return ifp->vif; 393 } 394 395 static inline struct 396 brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg) 397 { 398 return &cfg->conn_info; 399 } 400 401 struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, 402 struct cfg80211_ops *ops, 403 bool p2pdev_forced); 404 void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg); 405 s32 brcmf_cfg80211_up(struct net_device *ndev); 406 s32 brcmf_cfg80211_down(struct net_device *ndev); 407 struct cfg80211_ops *brcmf_cfg80211_get_ops(struct brcmf_mp_device *settings); 408 enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp); 409 410 struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, 411 enum nl80211_iftype type); 412 void brcmf_free_vif(struct brcmf_cfg80211_vif *vif); 413 414 s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, 415 const u8 *vndr_ie_buf, u32 vndr_ie_len); 416 s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif); 417 u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, 418 struct ieee80211_channel *ch); 419 bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, 420 unsigned long state); 421 void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, 422 struct brcmf_cfg80211_vif *vif); 423 bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg); 424 int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg, 425 u8 action, ulong timeout); 426 s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, 427 struct brcmf_if *ifp, bool aborted, 428 bool fw_abort); 429 void brcmf_set_mpc(struct brcmf_if *ndev, int mpc); 430 void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg); 431 void brcmf_cfg80211_free_netdev(struct net_device *ndev); 432 433 #endif /* BRCMFMAC_CFG80211_H */ 434