1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * This file is part of wl1271 4 * 5 * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. 6 * Copyright (C) 2008-2009 Nokia Corporation 7 * 8 * Contact: Luciano Coelho <luciano.coelho@nokia.com> 9 */ 10 11 #ifndef __WLCORE_I_H__ 12 #define __WLCORE_I_H__ 13 14 #include <linux/mutex.h> 15 #include <linux/completion.h> 16 #include <linux/spinlock.h> 17 #include <linux/list.h> 18 #include <linux/bitops.h> 19 #include <net/mac80211.h> 20 21 #include "conf.h" 22 #include "ini.h" 23 24 struct wilink_family_data { 25 const char *name; 26 const char *nvs_name; /* wl12xx nvs file */ 27 const char *cfg_name; /* wl18xx cfg file */ 28 }; 29 30 #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff)) 31 #define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff)) 32 #define WL1271_TX_SQN_POST_RECOVERY_PADDING 0xff 33 /* Use smaller padding for GEM, as some APs have issues when it's too big */ 34 #define WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM 0x20 35 36 37 #define WL1271_CIPHER_SUITE_GEM 0x00147201 38 39 #define WL1271_BUSY_WORD_CNT 1 40 #define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32)) 41 42 #define WL1271_ELP_HW_STATE_ASLEEP 0 43 #define WL1271_ELP_HW_STATE_IRQ 1 44 45 #define WL1271_DEFAULT_BEACON_INT 100 46 #define WL1271_DEFAULT_DTIM_PERIOD 1 47 48 #define WL12XX_MAX_ROLES 4 49 #define WL12XX_INVALID_ROLE_ID 0xff 50 #define WL12XX_INVALID_LINK_ID 0xff 51 52 /* 53 * max number of links allowed by all HWs. 54 * this is NOT the actual max links supported by the current hw. 55 */ 56 #define WLCORE_MAX_LINKS 16 57 58 /* the driver supports the 2.4Ghz and 5Ghz bands */ 59 #define WLCORE_NUM_BANDS 2 60 61 #define WL12XX_MAX_RATE_POLICIES 16 62 #define WLCORE_MAX_KLV_TEMPLATES 4 63 64 /* Defined by FW as 0. Will not be freed or allocated. */ 65 #define WL12XX_SYSTEM_HLID 0 66 67 /* 68 * When in AP-mode, we allow (at least) this number of packets 69 * to be transmitted to FW for a STA in PS-mode. Only when packets are 70 * present in the FW buffers it will wake the sleeping STA. We want to put 71 * enough packets for the driver to transmit all of its buffered data before 72 * the STA goes to sleep again. But we don't want to take too much memory 73 * as it might hurt the throughput of active STAs. 74 */ 75 #define WL1271_PS_STA_MAX_PACKETS 2 76 77 #define WL1271_AP_BSS_INDEX 0 78 #define WL1271_AP_DEF_BEACON_EXP 20 79 80 enum wlcore_state { 81 WLCORE_STATE_OFF, 82 WLCORE_STATE_RESTARTING, 83 WLCORE_STATE_ON, 84 }; 85 86 enum wl12xx_fw_type { 87 WL12XX_FW_TYPE_NONE, 88 WL12XX_FW_TYPE_NORMAL, 89 WL12XX_FW_TYPE_MULTI, 90 WL12XX_FW_TYPE_PLT, 91 }; 92 93 struct wl1271; 94 95 enum { 96 FW_VER_CHIP, 97 FW_VER_IF_TYPE, 98 FW_VER_MAJOR, 99 FW_VER_SUBTYPE, 100 FW_VER_MINOR, 101 102 NUM_FW_VER 103 }; 104 105 struct wl1271_chip { 106 u32 id; 107 char fw_ver_str[ETHTOOL_FWVERS_LEN]; 108 unsigned int fw_ver[NUM_FW_VER]; 109 char phy_fw_ver_str[ETHTOOL_FWVERS_LEN]; 110 }; 111 112 #define NUM_TX_QUEUES 4 113 114 struct wl_fw_status { 115 u32 intr; 116 u8 fw_rx_counter; 117 u8 drv_rx_counter; 118 u8 tx_results_counter; 119 __le32 *rx_pkt_descs; 120 121 u32 fw_localtime; 122 123 /* 124 * A bitmap (where each bit represents a single HLID) 125 * to indicate if the station is in PS mode. 126 */ 127 u32 link_ps_bitmap; 128 129 /* 130 * A bitmap (where each bit represents a single HLID) to indicate 131 * if the station is in Fast mode 132 */ 133 u32 link_fast_bitmap; 134 135 /* Cumulative counter of total released mem blocks since FW-reset */ 136 u32 total_released_blks; 137 138 /* Size (in Memory Blocks) of TX pool */ 139 u32 tx_total; 140 141 struct { 142 /* 143 * Cumulative counter of released packets per AC 144 * (length of the array is NUM_TX_QUEUES) 145 */ 146 u8 *tx_released_pkts; 147 148 /* 149 * Cumulative counter of freed packets per HLID 150 * (length of the array is wl->num_links) 151 */ 152 u8 *tx_lnk_free_pkts; 153 154 /* Cumulative counter of released Voice memory blocks */ 155 u8 tx_voice_released_blks; 156 157 /* Tx rate of the last transmitted packet */ 158 u8 tx_last_rate; 159 160 /* Tx rate or Tx rate estimate pre calculated by fw in mbps */ 161 u8 tx_last_rate_mbps; 162 163 /* hlid for which the rates were reported */ 164 u8 hlid; 165 } counters; 166 167 u32 log_start_addr; 168 169 /* Private status to be used by the lower drivers */ 170 void *priv; 171 }; 172 173 #define WL1271_MAX_CHANNELS 64 174 struct wl1271_scan { 175 struct cfg80211_scan_request *req; 176 unsigned long scanned_ch[BITS_TO_LONGS(WL1271_MAX_CHANNELS)]; 177 bool failed; 178 u8 state; 179 u8 ssid[IEEE80211_MAX_SSID_LEN+1]; 180 size_t ssid_len; 181 }; 182 183 struct wl1271_if_operations { 184 int __must_check (*read)(struct device *child, int addr, void *buf, 185 size_t len, bool fixed); 186 int __must_check (*write)(struct device *child, int addr, void *buf, 187 size_t len, bool fixed); 188 void (*reset)(struct device *child); 189 void (*init)(struct device *child); 190 int (*power)(struct device *child, bool enable); 191 void (*set_block_size) (struct device *child, unsigned int blksz); 192 }; 193 194 struct wlcore_platdev_data { 195 struct wl1271_if_operations *if_ops; 196 const struct wilink_family_data *family; 197 198 bool ref_clock_xtal; /* specify whether the clock is XTAL or not */ 199 u32 ref_clock_freq; /* in Hertz */ 200 u32 tcxo_clock_freq; /* in Hertz, tcxo is always XTAL */ 201 bool pwr_in_suspend; 202 }; 203 204 #define MAX_NUM_KEYS 14 205 #define MAX_KEY_SIZE 32 206 207 struct wl1271_ap_key { 208 u8 id; 209 u8 key_type; 210 u8 key_size; 211 u8 key[MAX_KEY_SIZE]; 212 u8 hlid; 213 u32 tx_seq_32; 214 u16 tx_seq_16; 215 bool is_pairwise; 216 }; 217 218 enum wl12xx_flags { 219 WL1271_FLAG_GPIO_POWER, 220 WL1271_FLAG_TX_QUEUE_STOPPED, 221 WL1271_FLAG_TX_PENDING, 222 WL1271_FLAG_IN_ELP, 223 WL1271_FLAG_IRQ_RUNNING, 224 WL1271_FLAG_FW_TX_BUSY, 225 WL1271_FLAG_DUMMY_PACKET_PENDING, 226 WL1271_FLAG_SUSPENDED, 227 WL1271_FLAG_PENDING_WORK, 228 WL1271_FLAG_SOFT_GEMINI, 229 WL1271_FLAG_RECOVERY_IN_PROGRESS, 230 WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, 231 WL1271_FLAG_INTENDED_FW_RECOVERY, 232 WL1271_FLAG_IO_FAILED, 233 WL1271_FLAG_REINIT_TX_WDOG, 234 }; 235 236 enum wl12xx_vif_flags { 237 WLVIF_FLAG_INITIALIZED, 238 WLVIF_FLAG_STA_ASSOCIATED, 239 WLVIF_FLAG_STA_AUTHORIZED, 240 WLVIF_FLAG_IBSS_JOINED, 241 WLVIF_FLAG_AP_STARTED, 242 WLVIF_FLAG_IN_PS, 243 WLVIF_FLAG_STA_STATE_SENT, 244 WLVIF_FLAG_RX_STREAMING_STARTED, 245 WLVIF_FLAG_PSPOLL_FAILURE, 246 WLVIF_FLAG_CS_PROGRESS, 247 WLVIF_FLAG_AP_PROBE_RESP_SET, 248 WLVIF_FLAG_IN_USE, 249 WLVIF_FLAG_ACTIVE, 250 WLVIF_FLAG_BEACON_DISABLED, 251 }; 252 253 struct wl12xx_vif; 254 255 struct wl1271_link { 256 /* AP-mode - TX queue per AC in link */ 257 struct sk_buff_head tx_queue[NUM_TX_QUEUES]; 258 259 /* accounting for allocated / freed packets in FW */ 260 u8 allocated_pkts; 261 u8 prev_freed_pkts; 262 263 u8 addr[ETH_ALEN]; 264 265 /* bitmap of TIDs where RX BA sessions are active for this link */ 266 u8 ba_bitmap; 267 268 /* the last fw rate index we used for this link */ 269 u8 fw_rate_idx; 270 271 /* the last fw rate [Mbps] we used for this link */ 272 u8 fw_rate_mbps; 273 274 /* The wlvif this link belongs to. Might be null for global links */ 275 struct wl12xx_vif *wlvif; 276 277 /* 278 * total freed FW packets on the link - used for tracking the 279 * AES/TKIP PN across recoveries. Re-initialized each time 280 * from the wl1271_station structure. 281 */ 282 u64 total_freed_pkts; 283 }; 284 285 #define WL1271_MAX_RX_FILTERS 5 286 #define WL1271_RX_FILTER_MAX_FIELDS 8 287 288 #define WL1271_RX_FILTER_ETH_HEADER_SIZE 14 289 #define WL1271_RX_FILTER_MAX_FIELDS_SIZE 95 290 #define RX_FILTER_FIELD_OVERHEAD \ 291 (sizeof(struct wl12xx_rx_filter_field) - sizeof(u8 *)) 292 #define WL1271_RX_FILTER_MAX_PATTERN_SIZE \ 293 (WL1271_RX_FILTER_MAX_FIELDS_SIZE - RX_FILTER_FIELD_OVERHEAD) 294 295 #define WL1271_RX_FILTER_FLAG_MASK BIT(0) 296 #define WL1271_RX_FILTER_FLAG_IP_HEADER 0 297 #define WL1271_RX_FILTER_FLAG_ETHERNET_HEADER BIT(1) 298 299 enum rx_filter_action { 300 FILTER_DROP = 0, 301 FILTER_SIGNAL = 1, 302 FILTER_FW_HANDLE = 2 303 }; 304 305 enum plt_mode { 306 PLT_OFF = 0, 307 PLT_ON = 1, 308 PLT_FEM_DETECT = 2, 309 PLT_CHIP_AWAKE = 3 310 }; 311 312 struct wl12xx_rx_filter_field { 313 __le16 offset; 314 u8 len; 315 u8 flags; 316 u8 *pattern; 317 } __packed; 318 319 struct wl12xx_rx_filter { 320 u8 action; 321 int num_fields; 322 struct wl12xx_rx_filter_field fields[WL1271_RX_FILTER_MAX_FIELDS]; 323 }; 324 325 struct wl1271_station { 326 u8 hlid; 327 bool in_connection; 328 329 /* 330 * total freed FW packets on the link to the STA - used for tracking the 331 * AES/TKIP PN across recoveries. Re-initialized each time from the 332 * wl1271_station structure. 333 * Used in both AP and STA mode. 334 */ 335 u64 total_freed_pkts; 336 }; 337 338 struct wl12xx_vif { 339 struct wl1271 *wl; 340 struct list_head list; 341 unsigned long flags; 342 u8 bss_type; 343 u8 p2p; /* we are using p2p role */ 344 u8 role_id; 345 346 /* sta/ibss specific */ 347 u8 dev_role_id; 348 u8 dev_hlid; 349 350 union { 351 struct { 352 u8 hlid; 353 354 u8 basic_rate_idx; 355 u8 ap_rate_idx; 356 u8 p2p_rate_idx; 357 358 u8 klv_template_id; 359 360 bool qos; 361 /* channel type we started the STA role with */ 362 enum nl80211_channel_type role_chan_type; 363 } sta; 364 struct { 365 u8 global_hlid; 366 u8 bcast_hlid; 367 368 /* HLIDs bitmap of associated stations */ 369 unsigned long sta_hlid_map[BITS_TO_LONGS( 370 WLCORE_MAX_LINKS)]; 371 372 /* recoreded keys - set here before AP startup */ 373 struct wl1271_ap_key *recorded_keys[MAX_NUM_KEYS]; 374 375 u8 mgmt_rate_idx; 376 u8 bcast_rate_idx; 377 u8 ucast_rate_idx[CONF_TX_MAX_AC_COUNT]; 378 } ap; 379 }; 380 381 /* the hlid of the last transmitted skb */ 382 int last_tx_hlid; 383 384 /* counters of packets per AC, across all links in the vif */ 385 int tx_queue_count[NUM_TX_QUEUES]; 386 387 unsigned long links_map[BITS_TO_LONGS(WLCORE_MAX_LINKS)]; 388 389 u8 ssid[IEEE80211_MAX_SSID_LEN + 1]; 390 u8 ssid_len; 391 392 /* The current band */ 393 enum nl80211_band band; 394 int channel; 395 enum nl80211_channel_type channel_type; 396 397 u32 bitrate_masks[WLCORE_NUM_BANDS]; 398 u32 basic_rate_set; 399 400 /* 401 * currently configured rate set: 402 * bits 0-15 - 802.11abg rates 403 * bits 16-23 - 802.11n MCS index mask 404 * support only 1 stream, thus only 8 bits for the MCS rates (0-7). 405 */ 406 u32 basic_rate; 407 u32 rate_set; 408 409 /* probe-req template for the current AP */ 410 struct sk_buff *probereq; 411 412 /* Beaconing interval (needed for ad-hoc) */ 413 u32 beacon_int; 414 415 /* Default key (for WEP) */ 416 u32 default_key; 417 418 /* Our association ID */ 419 u16 aid; 420 421 /* retry counter for PSM entries */ 422 u8 psm_entry_retry; 423 424 /* in dBm */ 425 int power_level; 426 427 int rssi_thold; 428 int last_rssi_event; 429 430 /* save the current encryption type for auto-arp config */ 431 u8 encryption_type; 432 __be32 ip_addr; 433 434 /* RX BA constraint value */ 435 bool ba_support; 436 bool ba_allowed; 437 438 bool wmm_enabled; 439 440 bool radar_enabled; 441 442 /* Rx Streaming */ 443 struct work_struct rx_streaming_enable_work; 444 struct work_struct rx_streaming_disable_work; 445 struct timer_list rx_streaming_timer; 446 447 struct delayed_work channel_switch_work; 448 struct delayed_work connection_loss_work; 449 450 /* number of in connection stations */ 451 int inconn_count; 452 453 /* 454 * This vif's queues are mapped to mac80211 HW queues as: 455 * VO - hw_queue_base 456 * VI - hw_queue_base + 1 457 * BE - hw_queue_base + 2 458 * BK - hw_queue_base + 3 459 */ 460 int hw_queue_base; 461 462 /* do we have a pending auth reply? (and ROC) */ 463 bool ap_pending_auth_reply; 464 465 /* time when we sent the pending auth reply */ 466 unsigned long pending_auth_reply_time; 467 468 /* work for canceling ROC after pending auth reply */ 469 struct delayed_work pending_auth_complete_work; 470 471 /* update rate conrol */ 472 enum ieee80211_sta_rx_bandwidth rc_update_bw; 473 struct ieee80211_sta_ht_cap rc_ht_cap; 474 struct work_struct rc_update_work; 475 476 /* 477 * total freed FW packets on the link. 478 * For STA this holds the PN of the link to the AP. 479 * For AP this holds the PN of the broadcast link. 480 */ 481 u64 total_freed_pkts; 482 483 /* 484 * This struct must be last! 485 * data that has to be saved acrossed reconfigs (e.g. recovery) 486 * should be declared in this struct. 487 */ 488 struct { 489 u8 persistent[0]; 490 }; 491 }; 492 493 static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif) 494 { 495 WARN_ON(!vif); 496 return (struct wl12xx_vif *)vif->drv_priv; 497 } 498 499 static inline 500 struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif) 501 { 502 return container_of((void *)wlvif, struct ieee80211_vif, drv_priv); 503 } 504 505 static inline bool wlcore_is_p2p_mgmt(struct wl12xx_vif *wlvif) 506 { 507 return wl12xx_wlvif_to_vif(wlvif)->type == NL80211_IFTYPE_P2P_DEVICE; 508 } 509 510 #define wl12xx_for_each_wlvif(wl, wlvif) \ 511 list_for_each_entry(wlvif, &wl->wlvif_list, list) 512 513 #define wl12xx_for_each_wlvif_continue(wl, wlvif) \ 514 list_for_each_entry_continue(wlvif, &wl->wlvif_list, list) 515 516 #define wl12xx_for_each_wlvif_bss_type(wl, wlvif, _bss_type) \ 517 wl12xx_for_each_wlvif(wl, wlvif) \ 518 if (wlvif->bss_type == _bss_type) 519 520 #define wl12xx_for_each_wlvif_sta(wl, wlvif) \ 521 wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_STA_BSS) 522 523 #define wl12xx_for_each_wlvif_ap(wl, wlvif) \ 524 wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_AP_BSS) 525 526 int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode); 527 int wl1271_plt_stop(struct wl1271 *wl); 528 int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif); 529 void wl12xx_queue_recovery_work(struct wl1271 *wl); 530 size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen); 531 int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter, 532 u16 offset, u8 flags, 533 const u8 *pattern, u8 len); 534 void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter); 535 struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void); 536 int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter); 537 void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, 538 u8 *buf); 539 540 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ 541 542 #define SESSION_COUNTER_MAX 6 /* maximum value for the session counter */ 543 #define SESSION_COUNTER_INVALID 7 /* used with dummy_packet */ 544 545 #define WL1271_DEFAULT_POWER_LEVEL 0 546 547 #define WL1271_TX_QUEUE_LOW_WATERMARK 32 548 #define WL1271_TX_QUEUE_HIGH_WATERMARK 256 549 550 #define WL1271_DEFERRED_QUEUE_LIMIT 64 551 552 /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power 553 on in case is has been shut down shortly before */ 554 #define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */ 555 #define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */ 556 557 /* Macros to handle wl1271.sta_rate_set */ 558 #define HW_BG_RATES_MASK 0xffff 559 #define HW_HT_RATES_OFFSET 16 560 #define HW_MIMO_RATES_OFFSET 24 561 562 #endif /* __WLCORE_I_H__ */ 563