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 /* WME Access Category Indices (ACIs) */ 27 #define AC_BE 0 /* Best Effort */ 28 #define AC_BK 1 /* Background */ 29 #define AC_VI 2 /* Video */ 30 #define AC_VO 3 /* Voice */ 31 #define EDCF_AC_COUNT 4 32 #define MAX_8021D_PRIO 8 33 34 #define EDCF_ACI_MASK 0x60 35 #define EDCF_ACI_SHIFT 5 36 #define EDCF_ACM_MASK 0x10 37 #define EDCF_ECWMIN_MASK 0x0f 38 #define EDCF_ECWMAX_SHIFT 4 39 #define EDCF_AIFSN_MASK 0x0f 40 #define EDCF_AIFSN_MAX 15 41 #define EDCF_ECWMAX_MASK 0xf0 42 43 /* Keep BRCMF_ESCAN_BUF_SIZE below 64K (65536). Allocing over 64K can be 44 * problematic on some systems and should be avoided. 45 */ 46 #define BRCMF_ESCAN_BUF_SIZE 65000 47 #define BRCMF_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */ 48 49 #define WL_ESCAN_ACTION_START 1 50 #define WL_ESCAN_ACTION_CONTINUE 2 51 #define WL_ESCAN_ACTION_ABORT 3 52 53 #define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */ 54 #define IE_MAX_LEN 512 55 56 /* IE TLV processing */ 57 #define TLV_LEN_OFF 1 /* length offset */ 58 #define TLV_HDR_LEN 2 /* header length */ 59 #define TLV_BODY_OFF 2 /* body offset */ 60 #define TLV_OUI_LEN 3 /* oui id length */ 61 62 /* 802.11 Mgmt Packet flags */ 63 #define BRCMF_VNDR_IE_BEACON_FLAG 0x1 64 #define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2 65 #define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4 66 #define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8 67 #define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10 68 #define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20 69 /* vendor IE in IW advertisement protocol ID field */ 70 #define BRCMF_VNDR_IE_IWAPID_FLAG 0x40 71 /* allow custom IE id */ 72 #define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100 73 74 /* P2P Action Frames flags (spec ordered) */ 75 #define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000 76 #define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000 77 #define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000 78 #define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000 79 #define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000 80 #define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000 81 #define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000 82 #define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000 83 #define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000 84 85 #define BRCMF_VNDR_IE_P2PAF_SHIFT 12 86 87 #define BRCMF_MAX_DEFAULT_KEYS 6 88 89 /* beacon loss timeout defaults */ 90 #define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON 2 91 #define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF 4 92 93 #define BRCMF_VIF_EVENT_TIMEOUT msecs_to_jiffies(1500) 94 95 /** 96 * enum brcmf_scan_status - scan engine status 97 * 98 * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle. 99 * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle. 100 * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver. 101 */ 102 enum brcmf_scan_status { 103 BRCMF_SCAN_STATUS_BUSY, 104 BRCMF_SCAN_STATUS_ABORT, 105 BRCMF_SCAN_STATUS_SUPPRESS, 106 }; 107 108 /* dongle configuration */ 109 struct brcmf_cfg80211_conf { 110 u32 frag_threshold; 111 u32 rts_threshold; 112 u32 retry_short; 113 u32 retry_long; 114 }; 115 116 /* security information with currently associated ap */ 117 struct brcmf_cfg80211_security { 118 u32 wpa_versions; 119 u32 auth_type; 120 u32 cipher_pairwise; 121 u32 cipher_group; 122 }; 123 124 enum brcmf_profile_fwsup { 125 BRCMF_PROFILE_FWSUP_NONE, 126 BRCMF_PROFILE_FWSUP_PSK, 127 BRCMF_PROFILE_FWSUP_1X, 128 BRCMF_PROFILE_FWSUP_SAE 129 }; 130 131 /** 132 * enum brcmf_profile_fwauth - firmware authenticator profile 133 * 134 * @BRCMF_PROFILE_FWAUTH_NONE: no firmware authenticator 135 * @BRCMF_PROFILE_FWAUTH_PSK: authenticator for WPA/WPA2-PSK 136 * @BRCMF_PROFILE_FWAUTH_SAE: authenticator for SAE 137 */ 138 enum brcmf_profile_fwauth { 139 BRCMF_PROFILE_FWAUTH_NONE, 140 BRCMF_PROFILE_FWAUTH_PSK, 141 BRCMF_PROFILE_FWAUTH_SAE 142 }; 143 144 /** 145 * struct brcmf_cfg80211_profile - profile information. 146 * 147 * @bssid: bssid of joined/joining ibss. 148 * @sec: security information. 149 * @key: key information 150 */ 151 struct brcmf_cfg80211_profile { 152 u8 bssid[ETH_ALEN]; 153 struct brcmf_cfg80211_security sec; 154 struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS]; 155 enum brcmf_profile_fwsup use_fwsup; 156 u16 use_fwauth; 157 bool is_ft; 158 }; 159 160 /** 161 * enum brcmf_vif_status - bit indices for vif status. 162 * 163 * @BRCMF_VIF_STATUS_READY: ready for operation. 164 * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress. 165 * @BRCMF_VIF_STATUS_CONNECTED: connected/joined successfully. 166 * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress. 167 * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started. 168 * @BRCMF_VIF_STATUS_EAP_SUCCUSS: EAPOL handshake successful. 169 * @BRCMF_VIF_STATUS_ASSOC_SUCCESS: successful SET_SSID received. 170 */ 171 enum brcmf_vif_status { 172 BRCMF_VIF_STATUS_READY, 173 BRCMF_VIF_STATUS_CONNECTING, 174 BRCMF_VIF_STATUS_CONNECTED, 175 BRCMF_VIF_STATUS_DISCONNECTING, 176 BRCMF_VIF_STATUS_AP_CREATED, 177 BRCMF_VIF_STATUS_EAP_SUCCESS, 178 BRCMF_VIF_STATUS_ASSOC_SUCCESS, 179 }; 180 181 /** 182 * struct vif_saved_ie - holds saved IEs for a virtual interface. 183 * 184 * @probe_req_ie: IE info for probe request. 185 * @probe_res_ie: IE info for probe response. 186 * @beacon_ie: IE info for beacon frame. 187 * @assoc_res_ie: IE info for association response frame. 188 * @probe_req_ie_len: IE info length for probe request. 189 * @probe_res_ie_len: IE info length for probe response. 190 * @beacon_ie_len: IE info length for beacon frame. 191 * @assoc_res_ie_len: IE info length for association response frame. 192 */ 193 struct vif_saved_ie { 194 u8 probe_req_ie[IE_MAX_LEN]; 195 u8 probe_res_ie[IE_MAX_LEN]; 196 u8 beacon_ie[IE_MAX_LEN]; 197 u8 assoc_req_ie[IE_MAX_LEN]; 198 u8 assoc_res_ie[IE_MAX_LEN]; 199 u32 probe_req_ie_len; 200 u32 probe_res_ie_len; 201 u32 beacon_ie_len; 202 u32 assoc_req_ie_len; 203 u32 assoc_res_ie_len; 204 }; 205 206 /** 207 * struct brcmf_cfg80211_vif - virtual interface specific information. 208 * 209 * @ifp: lower layer interface pointer 210 * @wdev: wireless device. 211 * @profile: profile information. 212 * @sme_state: SME state using enum brcmf_vif_status bits. 213 * @list: linked list. 214 * @mgmt_rx_reg: registered rx mgmt frame types. 215 * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P). 216 * @cqm_rssi_low: Lower RSSI limit for CQM monitoring 217 * @cqm_rssi_high: Upper RSSI limit for CQM monitoring 218 * @cqm_rssi_last: Last RSSI reading for CQM monitoring 219 */ 220 struct brcmf_cfg80211_vif { 221 struct brcmf_if *ifp; 222 struct wireless_dev wdev; 223 struct brcmf_cfg80211_profile profile; 224 unsigned long sme_state; 225 struct vif_saved_ie saved_ie; 226 struct list_head list; 227 u16 mgmt_rx_reg; 228 bool mbss; 229 int is_11d; 230 s32 cqm_rssi_low; 231 s32 cqm_rssi_high; 232 s32 cqm_rssi_last; 233 }; 234 235 /* association inform */ 236 struct brcmf_cfg80211_connect_info { 237 u8 *req_ie; 238 s32 req_ie_len; 239 u8 *resp_ie; 240 s32 resp_ie_len; 241 }; 242 243 /* assoc ie length */ 244 struct brcmf_cfg80211_assoc_ielen_le { 245 __le32 req_len; 246 __le32 resp_len; 247 }; 248 249 struct brcmf_cfg80211_edcf_acparam { 250 u8 ACI; 251 u8 ECW; 252 u16 TXOP; /* stored in network order (ls octet first) */ 253 }; 254 255 /* dongle escan state */ 256 enum wl_escan_state { 257 WL_ESCAN_STATE_IDLE, 258 WL_ESCAN_STATE_SCANNING 259 }; 260 261 struct escan_info { 262 u32 escan_state; 263 u8 *escan_buf; 264 struct wiphy *wiphy; 265 struct brcmf_if *ifp; 266 s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, 267 struct cfg80211_scan_request *request); 268 }; 269 270 /** 271 * struct brcmf_cfg80211_vif_event - virtual interface event information. 272 * 273 * @vif_wq: waitqueue awaiting interface event from firmware. 274 * @vif_event_lock: protects other members in this structure. 275 * @vif_complete: completion for net attach. 276 * @action: either add, change, or delete. 277 * @vif: virtual interface object related to the event. 278 */ 279 struct brcmf_cfg80211_vif_event { 280 wait_queue_head_t vif_wq; 281 spinlock_t vif_event_lock; 282 u8 action; 283 struct brcmf_cfg80211_vif *vif; 284 }; 285 286 /** 287 * struct brcmf_cfg80211_wowl - wowl related information. 288 * 289 * @active: set on suspend, cleared on resume. 290 * @pre_pmmode: firmware PM mode at entering suspend. 291 * @nd: net dectect data. 292 * @nd_info: helper struct to pass to cfg80211. 293 * @nd_data_wait: wait queue to sync net detect data. 294 * @nd_data_completed: completion for net detect data. 295 * @nd_enabled: net detect enabled. 296 */ 297 struct brcmf_cfg80211_wowl { 298 bool active; 299 u32 pre_pmmode; 300 struct cfg80211_wowlan_nd_match *nd; 301 struct cfg80211_wowlan_nd_info *nd_info; 302 wait_queue_head_t nd_data_wait; 303 bool nd_data_completed; 304 bool nd_enabled; 305 }; 306 307 /** 308 * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface 309 * 310 * @wiphy: wiphy object for cfg80211 interface. 311 * @ops: pointer to copy of ops as registered with wiphy object. 312 * @conf: dongle configuration. 313 * @p2p: peer-to-peer specific information. 314 * @btcoex: Bluetooth coexistence information. 315 * @scan_request: cfg80211 scan request object. 316 * @usr_sync: mainly for dongle up/down synchronization. 317 * @bss_list: bss_list holding scanned ap information. 318 * @bss_info: bss information for cfg80211 layer. 319 * @conn_info: association info. 320 * @pmk_list: wpa2 pmk list. 321 * @scan_status: scan activity on the dongle. 322 * @pub: common driver information. 323 * @channel: current channel. 324 * @int_escan_map: bucket map for which internal e-scan is done. 325 * @ibss_starter: indicates this sta is ibss starter. 326 * @pwr_save: indicate whether dongle to support power save mode. 327 * @dongle_up: indicate whether dongle up or not. 328 * @roam_on: on/off switch for dongle self-roaming. 329 * @scan_tried: indicates if first scan attempted. 330 * @dcmd_buf: dcmd buffer. 331 * @extra_buf: mainly to grab assoc information. 332 * @debugfsdir: debugfs folder for this device. 333 * @escan_info: escan information. 334 * @escan_timeout: Timer for catch scan timeout. 335 * @escan_timeout_work: scan timeout worker. 336 * @vif_list: linked list of vif instances. 337 * @vif_cnt: number of vif instances. 338 * @vif_event: vif event signalling. 339 * @wowl: wowl related information. 340 * @pno: information of pno module. 341 */ 342 struct brcmf_cfg80211_info { 343 struct wiphy *wiphy; 344 struct brcmf_cfg80211_conf *conf; 345 struct brcmf_p2p_info p2p; 346 struct brcmf_btcoex_info *btcoex; 347 struct cfg80211_scan_request *scan_request; 348 struct mutex usr_sync; 349 struct wl_cfg80211_bss_info *bss_info; 350 struct brcmf_cfg80211_connect_info conn_info; 351 struct brcmf_pmk_list_le pmk_list; 352 unsigned long scan_status; 353 struct brcmf_pub *pub; 354 u32 channel; 355 u32 int_escan_map; 356 bool ibss_starter; 357 bool pwr_save; 358 bool dongle_up; 359 bool scan_tried; 360 u8 *dcmd_buf; 361 u8 *extra_buf; 362 struct dentry *debugfsdir; 363 struct escan_info escan_info; 364 struct timer_list escan_timeout; 365 struct work_struct escan_timeout_work; 366 struct list_head vif_list; 367 struct brcmf_cfg80211_vif_event vif_event; 368 struct completion vif_disabled; 369 struct brcmu_d11inf d11inf; 370 struct brcmf_assoclist_le assoclist; 371 struct brcmf_cfg80211_wowl wowl; 372 struct brcmf_pno_info *pno; 373 u8 ac_priority[MAX_8021D_PRIO]; 374 }; 375 376 /** 377 * struct brcmf_tlv - tag_ID/length/value_buffer tuple. 378 * 379 * @id: tag identifier. 380 * @len: number of bytes in value buffer. 381 * @data: value buffer. 382 */ 383 struct brcmf_tlv { 384 u8 id; 385 u8 len; 386 u8 data[]; 387 }; 388 389 static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg) 390 { 391 return cfg->wiphy; 392 } 393 394 static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w) 395 { 396 struct brcmf_pub *drvr = wiphy_priv(w); 397 return drvr->config; 398 } 399 400 static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd) 401 { 402 return wiphy_to_cfg(wd->wiphy); 403 } 404 405 static inline struct brcmf_cfg80211_vif *wdev_to_vif(struct wireless_dev *wdev) 406 { 407 return container_of(wdev, struct brcmf_cfg80211_vif, wdev); 408 } 409 410 static inline 411 struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg) 412 { 413 return brcmf_get_ifp(cfg->pub, 0)->ndev; 414 } 415 416 static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev) 417 { 418 return wdev_to_cfg(ndev->ieee80211_ptr); 419 } 420 421 static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd) 422 { 423 struct brcmf_if *ifp = netdev_priv(nd); 424 return &ifp->vif->profile; 425 } 426 427 static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev) 428 { 429 struct brcmf_if *ifp = netdev_priv(ndev); 430 return ifp->vif; 431 } 432 433 static inline struct 434 brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg) 435 { 436 return &cfg->conn_info; 437 } 438 439 struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, 440 struct cfg80211_ops *ops, 441 bool p2pdev_forced); 442 void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg); 443 s32 brcmf_cfg80211_up(struct net_device *ndev); 444 s32 brcmf_cfg80211_down(struct net_device *ndev); 445 struct cfg80211_ops *brcmf_cfg80211_get_ops(struct brcmf_mp_device *settings); 446 enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp); 447 448 struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, 449 enum nl80211_iftype type); 450 void brcmf_free_vif(struct brcmf_cfg80211_vif *vif); 451 452 s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, 453 const u8 *vndr_ie_buf, u32 vndr_ie_len); 454 s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif); 455 u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, 456 struct ieee80211_channel *ch); 457 bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, 458 unsigned long state); 459 void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, 460 struct brcmf_cfg80211_vif *vif); 461 bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg); 462 int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg, 463 u8 action, ulong timeout); 464 s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, 465 struct brcmf_if *ifp, bool aborted, 466 bool fw_abort); 467 void brcmf_set_mpc(struct brcmf_if *ndev, int mpc); 468 void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg); 469 void brcmf_cfg80211_free_netdev(struct net_device *ndev); 470 471 #endif /* BRCMFMAC_CFG80211_H */ 472