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