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