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