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_NUM_PMKIDS_MAX MAXPMKID 25#define WL_TLV_INFO_MAX 1024 26#define WL_BSS_INFO_MAX 2048 27#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */ 28#define WL_EXTRA_BUF_MAX 2048 29#define WL_ROAM_TRIGGER_LEVEL -75 30#define WL_ROAM_DELTA 20 31#define WL_BEACON_TIMEOUT 3 32 33#define WL_SCAN_CHANNEL_TIME 40 34#define WL_SCAN_UNASSOC_TIME 40 35#define WL_SCAN_PASSIVE_TIME 120 36 37#define WL_ESCAN_BUF_SIZE (1024 * 64) 38#define WL_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */ 39 40#define WL_ESCAN_ACTION_START 1 41#define WL_ESCAN_ACTION_CONTINUE 2 42#define WL_ESCAN_ACTION_ABORT 3 43 44#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */ 45#define IE_MAX_LEN 512 46 47/* IE TLV processing */ 48#define TLV_LEN_OFF 1 /* length offset */ 49#define TLV_HDR_LEN 2 /* header length */ 50#define TLV_BODY_OFF 2 /* body offset */ 51#define TLV_OUI_LEN 3 /* oui id length */ 52 53/* 802.11 Mgmt Packet flags */ 54#define BRCMF_VNDR_IE_BEACON_FLAG 0x1 55#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2 56#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4 57#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8 58#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10 59#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20 60/* vendor IE in IW advertisement protocol ID field */ 61#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40 62/* allow custom IE id */ 63#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100 64 65/* P2P Action Frames flags (spec ordered) */ 66#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000 67#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000 68#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000 69#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000 70#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000 71#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000 72#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000 73#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000 74#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000 75 76#define BRCMF_VNDR_IE_P2PAF_SHIFT 12 77 78#define BRCMF_MAX_DEFAULT_KEYS 4 79 80 81/** 82 * enum brcmf_scan_status - scan engine status 83 * 84 * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle. 85 * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle. 86 * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver. 87 */ 88enum brcmf_scan_status { 89 BRCMF_SCAN_STATUS_BUSY, 90 BRCMF_SCAN_STATUS_ABORT, 91 BRCMF_SCAN_STATUS_SUPPRESS, 92}; 93 94/* dongle configuration */ 95struct brcmf_cfg80211_conf { 96 u32 frag_threshold; 97 u32 rts_threshold; 98 u32 retry_short; 99 u32 retry_long; 100 s32 tx_power; 101 struct ieee80211_channel channel; 102}; 103 104/* basic structure of scan request */ 105struct brcmf_cfg80211_scan_req { 106 struct brcmf_ssid_le ssid_le; 107}; 108 109/* basic structure of information element */ 110struct brcmf_cfg80211_ie { 111 u16 offset; 112 u8 buf[WL_TLV_INFO_MAX]; 113}; 114 115/* security information with currently associated ap */ 116struct brcmf_cfg80211_security { 117 u32 wpa_versions; 118 u32 auth_type; 119 u32 cipher_pairwise; 120 u32 cipher_group; 121 u32 wpa_auth; 122}; 123 124/** 125 * struct brcmf_cfg80211_profile - profile information. 126 * 127 * @ssid: ssid of associated/associating ap. 128 * @bssid: bssid of joined/joining ibss. 129 * @sec: security information. 130 * @key: key information 131 */ 132struct brcmf_cfg80211_profile { 133 struct brcmf_ssid ssid; 134 u8 bssid[ETH_ALEN]; 135 struct brcmf_cfg80211_security sec; 136 struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS]; 137}; 138 139/** 140 * enum brcmf_vif_status - bit indices for vif status. 141 * 142 * @BRCMF_VIF_STATUS_READY: ready for operation. 143 * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress. 144 * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully. 145 * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress. 146 * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started. 147 */ 148enum brcmf_vif_status { 149 BRCMF_VIF_STATUS_READY, 150 BRCMF_VIF_STATUS_CONNECTING, 151 BRCMF_VIF_STATUS_CONNECTED, 152 BRCMF_VIF_STATUS_DISCONNECTING, 153 BRCMF_VIF_STATUS_AP_CREATED 154}; 155 156/** 157 * struct vif_saved_ie - holds saved IEs for a virtual interface. 158 * 159 * @probe_req_ie: IE info for probe request. 160 * @probe_res_ie: IE info for probe response. 161 * @beacon_ie: IE info for beacon frame. 162 * @probe_req_ie_len: IE info length for probe request. 163 * @probe_res_ie_len: IE info length for probe response. 164 * @beacon_ie_len: IE info length for beacon frame. 165 */ 166struct vif_saved_ie { 167 u8 probe_req_ie[IE_MAX_LEN]; 168 u8 probe_res_ie[IE_MAX_LEN]; 169 u8 beacon_ie[IE_MAX_LEN]; 170 u8 assoc_req_ie[IE_MAX_LEN]; 171 u32 probe_req_ie_len; 172 u32 probe_res_ie_len; 173 u32 beacon_ie_len; 174 u32 assoc_req_ie_len; 175}; 176 177/** 178 * struct brcmf_cfg80211_vif - virtual interface specific information. 179 * 180 * @ifp: lower layer interface pointer 181 * @wdev: wireless device. 182 * @profile: profile information. 183 * @roam_off: roaming state. 184 * @sme_state: SME state using enum brcmf_vif_status bits. 185 * @pm_block: power-management blocked. 186 * @list: linked list. 187 * @mgmt_rx_reg: registered rx mgmt frame types. 188 * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P). 189 */ 190struct brcmf_cfg80211_vif { 191 struct brcmf_if *ifp; 192 struct wireless_dev wdev; 193 struct brcmf_cfg80211_profile profile; 194 s32 roam_off; 195 unsigned long sme_state; 196 bool pm_block; 197 struct vif_saved_ie saved_ie; 198 struct list_head list; 199 u16 mgmt_rx_reg; 200 bool mbss; 201 int is_11d; 202}; 203 204/* association inform */ 205struct brcmf_cfg80211_connect_info { 206 u8 *req_ie; 207 s32 req_ie_len; 208 u8 *resp_ie; 209 s32 resp_ie_len; 210}; 211 212/* assoc ie length */ 213struct brcmf_cfg80211_assoc_ielen_le { 214 __le32 req_len; 215 __le32 resp_len; 216}; 217 218/* wpa2 pmk list */ 219struct brcmf_cfg80211_pmk_list { 220 struct pmkid_list pmkids; 221 struct pmkid foo[MAXPMKID - 1]; 222}; 223 224/* dongle escan state */ 225enum wl_escan_state { 226 WL_ESCAN_STATE_IDLE, 227 WL_ESCAN_STATE_SCANNING 228}; 229 230struct escan_info { 231 u32 escan_state; 232 u8 escan_buf[WL_ESCAN_BUF_SIZE]; 233 struct wiphy *wiphy; 234 struct brcmf_if *ifp; 235 s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, 236 struct cfg80211_scan_request *request, u16 action); 237}; 238 239/** 240 * struct brcmf_pno_param_le - PNO scan configuration parameters 241 * 242 * @version: PNO parameters version. 243 * @scan_freq: scan frequency. 244 * @lost_network_timeout: #sec. to declare discovered network as lost. 245 * @flags: Bit field to control features of PFN such as sort criteria auto 246 * enable switch and background scan. 247 * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort 248 * criteria. 249 * @bestn: number of best networks in each scan. 250 * @mscan: number of scans recorded. 251 * @repeat: minimum number of scan intervals before scan frequency changes 252 * in adaptive scan. 253 * @exp: exponent of 2 for maximum scan interval. 254 * @slow_freq: slow scan period. 255 */ 256struct brcmf_pno_param_le { 257 __le32 version; 258 __le32 scan_freq; 259 __le32 lost_network_timeout; 260 __le16 flags; 261 __le16 rssi_margin; 262 u8 bestn; 263 u8 mscan; 264 u8 repeat; 265 u8 exp; 266 __le32 slow_freq; 267}; 268 269/** 270 * struct brcmf_pno_net_param_le - scan parameters per preferred network. 271 * 272 * @ssid: ssid name and its length. 273 * @flags: bit2: hidden. 274 * @infra: BSS vs IBSS. 275 * @auth: Open vs Closed. 276 * @wpa_auth: WPA type. 277 * @wsec: wsec value. 278 */ 279struct brcmf_pno_net_param_le { 280 struct brcmf_ssid_le ssid; 281 __le32 flags; 282 __le32 infra; 283 __le32 auth; 284 __le32 wpa_auth; 285 __le32 wsec; 286}; 287 288/** 289 * struct brcmf_pno_net_info_le - information per found network. 290 * 291 * @bssid: BSS network identifier. 292 * @channel: channel number only. 293 * @SSID_len: length of ssid. 294 * @SSID: ssid characters. 295 * @RSSI: receive signal strength (in dBm). 296 * @timestamp: age in seconds. 297 */ 298struct brcmf_pno_net_info_le { 299 u8 bssid[ETH_ALEN]; 300 u8 channel; 301 u8 SSID_len; 302 u8 SSID[32]; 303 __le16 RSSI; 304 __le16 timestamp; 305}; 306 307/** 308 * struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event. 309 * 310 * @version: PNO version identifier. 311 * @status: indicates completion status of PNO scan. 312 * @count: amount of brcmf_pno_net_info_le entries appended. 313 */ 314struct brcmf_pno_scanresults_le { 315 __le32 version; 316 __le32 status; 317 __le32 count; 318}; 319 320/** 321 * struct brcmf_cfg80211_vif_event - virtual interface event information. 322 * 323 * @vif_wq: waitqueue awaiting interface event from firmware. 324 * @vif_event_lock: protects other members in this structure. 325 * @vif_complete: completion for net attach. 326 * @action: either add, change, or delete. 327 * @vif: virtual interface object related to the event. 328 */ 329struct brcmf_cfg80211_vif_event { 330 wait_queue_head_t vif_wq; 331 struct mutex vif_event_lock; 332 u8 action; 333 struct brcmf_cfg80211_vif *vif; 334}; 335 336/** 337 * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface 338 * 339 * @wiphy: wiphy object for cfg80211 interface. 340 * @conf: dongle configuration. 341 * @p2p: peer-to-peer specific information. 342 * @btcoex: Bluetooth coexistence information. 343 * @scan_request: cfg80211 scan request object. 344 * @usr_sync: mainly for dongle up/down synchronization. 345 * @bss_list: bss_list holding scanned ap information. 346 * @scan_req_int: internal scan request object. 347 * @bss_info: bss information for cfg80211 layer. 348 * @ie: information element object for internal purpose. 349 * @conn_info: association info. 350 * @pmk_list: wpa2 pmk list. 351 * @scan_status: scan activity on the dongle. 352 * @pub: common driver information. 353 * @channel: current channel. 354 * @active_scan: current scan mode. 355 * @sched_escan: e-scan for scheduled scan support running. 356 * @ibss_starter: indicates this sta is ibss starter. 357 * @pwr_save: indicate whether dongle to support power save mode. 358 * @dongle_up: indicate whether dongle up or not. 359 * @roam_on: on/off switch for dongle self-roaming. 360 * @scan_tried: indicates if first scan attempted. 361 * @dcmd_buf: dcmd buffer. 362 * @extra_buf: mainly to grab assoc information. 363 * @debugfsdir: debugfs folder for this device. 364 * @escan_info: escan information. 365 * @escan_timeout: Timer for catch scan timeout. 366 * @escan_timeout_work: scan timeout worker. 367 * @escan_ioctl_buf: dongle command buffer for escan commands. 368 * @vif_list: linked list of vif instances. 369 * @vif_cnt: number of vif instances. 370 * @vif_event: vif event signalling. 371 * @wowl_enabled; set during suspend, is wowl used. 372 * @pre_wowl_pmmode: intermediate storage of pm mode during wowl. 373 */ 374struct brcmf_cfg80211_info { 375 struct wiphy *wiphy; 376 struct brcmf_cfg80211_conf *conf; 377 struct brcmf_p2p_info p2p; 378 struct brcmf_btcoex_info *btcoex; 379 struct cfg80211_scan_request *scan_request; 380 struct mutex usr_sync; 381 struct brcmf_cfg80211_scan_req scan_req_int; 382 struct wl_cfg80211_bss_info *bss_info; 383 struct brcmf_cfg80211_ie ie; 384 struct brcmf_cfg80211_connect_info conn_info; 385 struct brcmf_cfg80211_pmk_list *pmk_list; 386 unsigned long scan_status; 387 struct brcmf_pub *pub; 388 u32 channel; 389 bool active_scan; 390 bool sched_escan; 391 bool ibss_starter; 392 bool pwr_save; 393 bool dongle_up; 394 bool scan_tried; 395 u8 *dcmd_buf; 396 u8 *extra_buf; 397 struct dentry *debugfsdir; 398 struct escan_info escan_info; 399 struct timer_list escan_timeout; 400 struct work_struct escan_timeout_work; 401 u8 *escan_ioctl_buf; 402 struct list_head vif_list; 403 struct brcmf_cfg80211_vif_event vif_event; 404 struct completion vif_disabled; 405 struct brcmu_d11inf d11inf; 406 bool wowl_enabled; 407 u32 pre_wowl_pmmode; 408 struct brcmf_assoclist_le assoclist; 409}; 410 411/** 412 * struct brcmf_tlv - tag_ID/length/value_buffer tuple. 413 * 414 * @id: tag identifier. 415 * @len: number of bytes in value buffer. 416 * @data: value buffer. 417 */ 418struct brcmf_tlv { 419 u8 id; 420 u8 len; 421 u8 data[1]; 422}; 423 424static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg) 425{ 426 return cfg->wiphy; 427} 428 429static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w) 430{ 431 return (struct brcmf_cfg80211_info *)(wiphy_priv(w)); 432} 433 434static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd) 435{ 436 return (struct brcmf_cfg80211_info *)(wdev_priv(wd)); 437} 438 439static inline 440struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg) 441{ 442 struct brcmf_cfg80211_vif *vif; 443 vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list); 444 return vif->wdev.netdev; 445} 446 447static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev) 448{ 449 return wdev_to_cfg(ndev->ieee80211_ptr); 450} 451 452static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd) 453{ 454 struct brcmf_if *ifp = netdev_priv(nd); 455 return &ifp->vif->profile; 456} 457 458static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev) 459{ 460 struct brcmf_if *ifp = netdev_priv(ndev); 461 return ifp->vif; 462} 463 464static inline struct 465brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg) 466{ 467 return &cfg->conn_info; 468} 469 470struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, 471 struct device *busdev, 472 bool p2pdev_forced); 473void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg); 474s32 brcmf_cfg80211_up(struct net_device *ndev); 475s32 brcmf_cfg80211_down(struct net_device *ndev); 476enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp); 477 478struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, 479 enum nl80211_iftype type, 480 bool pm_block); 481void brcmf_free_vif(struct brcmf_cfg80211_vif *vif); 482 483s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, 484 const u8 *vndr_ie_buf, u32 vndr_ie_len); 485s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif); 486const struct brcmf_tlv * 487brcmf_parse_tlvs(const void *buf, int buflen, uint key); 488u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, 489 struct ieee80211_channel *ch); 490bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, 491 unsigned long state); 492void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, 493 struct brcmf_cfg80211_vif *vif); 494bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg); 495int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, 496 u8 action, ulong timeout); 497s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, 498 struct brcmf_if *ifp, bool aborted, 499 bool fw_abort); 500void brcmf_set_mpc(struct brcmf_if *ndev, int mpc); 501void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg); 502void brcmf_cfg80211_free_netdev(struct net_device *ndev); 503 504#endif /* BRCMFMAC_CFG80211_H */ 505