drivers/net/wireless/wl12xx/wl12xx.h

   1 /*
   2  * This file is part of wl1271
   3  *
   4  * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
   5  * Copyright (C) 2008-2009 Nokia Corporation
   6  *
   7  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  *
  23  */
  24
  25 #ifndef __WL12XX_H__
  26 #define __WL12XX_H__
  27
  28 #include <linux/mutex.h>
  29 #include <linux/completion.h>
  30 #include <linux/spinlock.h>
  31 #include <linux/list.h>
  32 #include <linux/bitops.h>
  33 #include <net/mac80211.h>
  34
  35 #include "conf.h"
  36 #include "ini.h"
  37
  38 #define DRIVER_NAME "wl1271"
  39 #define DRIVER_PREFIX DRIVER_NAME ": "
  40
  41 /*
  42  * FW versions support BA 11n
  43  * versions marks x.x.x.50-60.x
  44  */
  45 #define WL12XX_BA_SUPPORT_FW_COST_VER2_START    50
  46 #define WL12XX_BA_SUPPORT_FW_COST_VER2_END      60
  47
  48 enum {
  49         DEBUG_NONE      = 0,
  50         DEBUG_IRQ       = BIT(0),
  51         DEBUG_SPI       = BIT(1),
  52         DEBUG_BOOT      = BIT(2),
  53         DEBUG_MAILBOX   = BIT(3),
  54         DEBUG_TESTMODE  = BIT(4),
  55         DEBUG_EVENT     = BIT(5),
  56         DEBUG_TX        = BIT(6),
  57         DEBUG_RX        = BIT(7),
  58         DEBUG_SCAN      = BIT(8),
  59         DEBUG_CRYPT     = BIT(9),
  60         DEBUG_PSM       = BIT(10),
  61         DEBUG_MAC80211  = BIT(11),
  62         DEBUG_CMD       = BIT(12),
  63         DEBUG_ACX       = BIT(13),
  64         DEBUG_SDIO      = BIT(14),
  65         DEBUG_FILTERS   = BIT(15),
  66         DEBUG_ADHOC     = BIT(16),
  67         DEBUG_AP        = BIT(17),
  68         DEBUG_MASTER    = (DEBUG_ADHOC | DEBUG_AP),
  69         DEBUG_ALL       = ~0,
  70 };
  71
  72 extern u32 wl12xx_debug_level;
  73
  74 #define DEBUG_DUMP_LIMIT 1024
  75
  76 #define wl1271_error(fmt, arg...) \
  77         pr_err(DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
  78
  79 #define wl1271_warning(fmt, arg...) \
  80         pr_warning(DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
  81
  82 #define wl1271_notice(fmt, arg...) \
  83         pr_info(DRIVER_PREFIX fmt "\n", ##arg)
  84
  85 #define wl1271_info(fmt, arg...) \
  86         pr_info(DRIVER_PREFIX fmt "\n", ##arg)
  87
  88 #define wl1271_debug(level, fmt, arg...) \
  89         do { \
  90                 if (level & wl12xx_debug_level) \
  91                         pr_debug(DRIVER_PREFIX fmt "\n", ##arg); \
  92         } while (0)
  93
  94 /* TODO: use pr_debug_hex_dump when it will be available */
  95 #define wl1271_dump(level, prefix, buf, len)    \
  96         do { \
  97                 if (level & wl12xx_debug_level) \
  98                         print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
  99                                        DUMP_PREFIX_OFFSET, 16, 1,       \
 100                                        buf,                             \
 101                                        min_t(size_t, len, DEBUG_DUMP_LIMIT), \
 102                                        0);                              \
 103         } while (0)
 104
 105 #define wl1271_dump_ascii(level, prefix, buf, len)      \
 106         do { \
 107                 if (level & wl12xx_debug_level) \
 108                         print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
 109                                        DUMP_PREFIX_OFFSET, 16, 1,       \
 110                                        buf,                             \
 111                                        min_t(size_t, len, DEBUG_DUMP_LIMIT), \
 112                                        true);                           \
 113         } while (0)
 114
 115 #define WL127X_FW_NAME "ti-connectivity/wl127x-fw-3.bin"
 116 #define WL128X_FW_NAME "ti-connectivity/wl128x-fw-3.bin"
 117
 118 /*
 119  * wl127x and wl128x are using the same NVS file name. However, the
 120  * ini parameters between them are different.  The driver validates
 121  * the correct NVS size in wl1271_boot_upload_nvs().
 122  */
 123 #define WL12XX_NVS_NAME "ti-connectivity/wl1271-nvs.bin"
 124
 125 #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff))
 126 #define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff))
 127 #define WL1271_TX_SQN_POST_RECOVERY_PADDING 0xff
 128
 129 #define WL1271_CIPHER_SUITE_GEM 0x00147201
 130
 131 #define WL1271_BUSY_WORD_CNT 1
 132 #define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))
 133
 134 #define WL1271_ELP_HW_STATE_ASLEEP 0
 135 #define WL1271_ELP_HW_STATE_IRQ    1
 136
 137 #define WL1271_DEFAULT_BEACON_INT  100
 138 #define WL1271_DEFAULT_DTIM_PERIOD 1
 139
 140 #define WL12XX_MAX_ROLES           4
 141 #define WL12XX_MAX_LINKS           12
 142 #define WL12XX_INVALID_ROLE_ID     0xff
 143 #define WL12XX_INVALID_LINK_ID     0xff
 144
 145 /* Defined by FW as 0. Will not be freed or allocated. */
 146 #define WL12XX_SYSTEM_HLID         0
 147
 148 /*
 149  * When in AP-mode, we allow (at least) this number of packets
 150  * to be transmitted to FW for a STA in PS-mode. Only when packets are
 151  * present in the FW buffers it will wake the sleeping STA. We want to put
 152  * enough packets for the driver to transmit all of its buffered data before
 153  * the STA goes to sleep again. But we don't want to take too much memory
 154  * as it might hurt the throughput of active STAs.
 155  */
 156 #define WL1271_PS_STA_MAX_PACKETS  2
 157
 158 #define WL1271_AP_BSS_INDEX        0
 159 #define WL1271_AP_DEF_BEACON_EXP   20
 160
 161 #define ACX_TX_DESCRIPTORS         16
 162
 163 #define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE)
 164
 165 enum wl1271_state {
 166         WL1271_STATE_OFF,
 167         WL1271_STATE_ON,
 168         WL1271_STATE_PLT,
 169 };
 170
 171 enum wl1271_partition_type {
 172         PART_DOWN,
 173         PART_WORK,
 174         PART_DRPW,
 175
 176         PART_TABLE_LEN
 177 };
 178
 179 struct wl1271_partition {
 180         u32 size;
 181         u32 start;
 182 };
 183
 184 struct wl1271_partition_set {
 185         struct wl1271_partition mem;
 186         struct wl1271_partition reg;
 187         struct wl1271_partition mem2;
 188         struct wl1271_partition mem3;
 189 };
 190
 191 struct wl1271;
 192
 193 enum {
 194         FW_VER_CHIP,
 195         FW_VER_IF_TYPE,
 196         FW_VER_MAJOR,
 197         FW_VER_SUBTYPE,
 198         FW_VER_MINOR,
 199
 200         NUM_FW_VER
 201 };
 202
 203 #define FW_VER_CHIP_WL127X 6
 204 #define FW_VER_CHIP_WL128X 7
 205
 206 #define FW_VER_IF_TYPE_STA 1
 207 #define FW_VER_IF_TYPE_AP  2
 208
 209 #define FW_VER_MINOR_1_SPARE_STA_MIN 58
 210 #define FW_VER_MINOR_1_SPARE_AP_MIN  47
 211
 212 #define FW_VER_MINOR_FWLOG_STA_MIN 70
 213
 214 struct wl1271_chip {
 215         u32 id;
 216         char fw_ver_str[ETHTOOL_BUSINFO_LEN];
 217         unsigned int fw_ver[NUM_FW_VER];
 218 };
 219
 220 struct wl1271_stats {
 221         struct acx_statistics *fw_stats;
 222         unsigned long fw_stats_update;
 223
 224         unsigned int retry_count;
 225         unsigned int excessive_retries;
 226 };
 227
 228 #define NUM_TX_QUEUES              4
 229 #define NUM_RX_PKT_DESC            8
 230
 231 #define AP_MAX_STATIONS            8
 232
 233 /* FW status registers */
 234 struct wl12xx_fw_status {
 235         __le32 intr;
 236         u8  fw_rx_counter;
 237         u8  drv_rx_counter;
 238         u8  reserved;
 239         u8  tx_results_counter;
 240         __le32 rx_pkt_descs[NUM_RX_PKT_DESC];
 241         __le32 fw_localtime;
 242
 243         /*
 244          * A bitmap (where each bit represents a single HLID)
 245          * to indicate if the station is in PS mode.
 246          */
 247         __le32 link_ps_bitmap;
 248
 249         /*
 250          * A bitmap (where each bit represents a single HLID) to indicate
 251          * if the station is in Fast mode
 252          */
 253         __le32 link_fast_bitmap;
 254
 255         /* Cumulative counter of total released mem blocks since FW-reset */
 256         __le32 total_released_blks;
 257
 258         /* Size (in Memory Blocks) of TX pool */
 259         __le32 tx_total;
 260
 261         /* Cumulative counter of released packets per AC */
 262         u8 tx_released_pkts[NUM_TX_QUEUES];
 263
 264         /* Cumulative counter of freed packets per HLID */
 265         u8 tx_lnk_free_pkts[WL12XX_MAX_LINKS];
 266
 267         /* Cumulative counter of released Voice memory blocks */
 268         u8 tx_voice_released_blks;
 269         u8 padding_1[3];
 270         __le32 log_start_addr;
 271 } __packed;
 272
 273 struct wl1271_rx_mem_pool_addr {
 274         u32 addr;
 275         u32 addr_extra;
 276 };
 277
 278 #define WL1271_MAX_CHANNELS 64
 279 struct wl1271_scan {
 280         struct cfg80211_scan_request *req;
 281         unsigned long scanned_ch[BITS_TO_LONGS(WL1271_MAX_CHANNELS)];
 282         bool failed;
 283         u8 state;
 284         u8 ssid[IEEE80211_MAX_SSID_LEN+1];
 285         size_t ssid_len;
 286 };
 287
 288 struct wl1271_if_operations {
 289         void (*read)(struct wl1271 *wl, int addr, void *buf, size_t len,
 290                      bool fixed);
 291         void (*write)(struct wl1271 *wl, int addr, void *buf, size_t len,
 292                      bool fixed);
 293         void (*reset)(struct wl1271 *wl);
 294         void (*init)(struct wl1271 *wl);
 295         int (*power)(struct wl1271 *wl, bool enable);
 296         struct device* (*dev)(struct wl1271 *wl);
 297         void (*enable_irq)(struct wl1271 *wl);
 298         void (*disable_irq)(struct wl1271 *wl);
 299         void (*set_block_size) (struct wl1271 *wl, unsigned int blksz);
 300 };
 301
 302 #define MAX_NUM_KEYS 14
 303 #define MAX_KEY_SIZE 32
 304
 305 struct wl1271_ap_key {
 306         u8 id;
 307         u8 key_type;
 308         u8 key_size;
 309         u8 key[MAX_KEY_SIZE];
 310         u8 hlid;
 311         u32 tx_seq_32;
 312         u16 tx_seq_16;
 313 };
 314
 315 enum wl12xx_flags {
 316         WL1271_FLAG_GPIO_POWER,
 317         WL1271_FLAG_TX_QUEUE_STOPPED,
 318         WL1271_FLAG_TX_PENDING,
 319         WL1271_FLAG_IN_ELP,
 320         WL1271_FLAG_ELP_REQUESTED,
 321         WL1271_FLAG_IRQ_RUNNING,
 322         WL1271_FLAG_IDLE,
 323         WL1271_FLAG_FW_TX_BUSY,
 324         WL1271_FLAG_DUMMY_PACKET_PENDING,
 325         WL1271_FLAG_SUSPENDED,
 326         WL1271_FLAG_PENDING_WORK,
 327         WL1271_FLAG_SOFT_GEMINI,
 328         WL1271_FLAG_RECOVERY_IN_PROGRESS,
 329 };
 330
 331 enum wl12xx_vif_flags {
 332         WLVIF_FLAG_INITIALIZED,
 333         WLVIF_FLAG_STA_ASSOCIATED,
 334         WLVIF_FLAG_IBSS_JOINED,
 335         WLVIF_FLAG_AP_STARTED,
 336         WLVIF_FLAG_PSM,
 337         WLVIF_FLAG_PSM_REQUESTED,
 338         WLVIF_FLAG_STA_STATE_SENT,
 339         WLVIF_FLAG_RX_STREAMING_STARTED,
 340         WLVIF_FLAG_PSPOLL_FAILURE,
 341         WLVIF_FLAG_CS_PROGRESS,
 342 };
 343
 344 struct wl1271_link {
 345         /* AP-mode - TX queue per AC in link */
 346         struct sk_buff_head tx_queue[NUM_TX_QUEUES];
 347
 348         /* accounting for allocated / freed packets in FW */
 349         u8 allocated_pkts;
 350         u8 prev_freed_pkts;
 351
 352         u8 addr[ETH_ALEN];
 353
 354         /* bitmap of TIDs where RX BA sessions are active for this link */
 355         u8 ba_bitmap;
 356 };
 357
 358 struct wl1271 {
 359         struct platform_device *plat_dev;
 360         struct ieee80211_hw *hw;
 361         bool mac80211_registered;
 362
 363         void *if_priv;
 364
 365         struct wl1271_if_operations *if_ops;
 366
 367         void (*set_power)(bool enable);
 368         int irq;
 369         int ref_clock;
 370
 371         spinlock_t wl_lock;
 372
 373         enum wl1271_state state;
 374         struct mutex mutex;
 375
 376         unsigned long flags;
 377
 378         struct wl1271_partition_set part;
 379
 380         struct wl1271_chip chip;
 381
 382         int cmd_box_addr;
 383         int event_box_addr;
 384
 385         u8 *fw;
 386         size_t fw_len;
 387         void *nvs;
 388         size_t nvs_len;
 389
 390         s8 hw_pg_ver;
 391
 392         u8 mac_addr[ETH_ALEN];
 393         int channel;
 394         u8 system_hlid;
 395
 396         unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
 397         unsigned long roles_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
 398         unsigned long roc_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
 399
 400         struct list_head wlvif_list;
 401         u8 sta_count;
 402         u8 ap_count;
 403
 404         struct wl1271_acx_mem_map *target_mem_map;
 405
 406         /* Accounting for allocated / available TX blocks on HW */
 407         u32 tx_blocks_freed;
 408         u32 tx_blocks_available;
 409         u32 tx_allocated_blocks;
 410         u32 tx_results_count;
 411
 412         /* amount of spare TX blocks to use */
 413         u32 tx_spare_blocks;
 414
 415         /* Accounting for allocated / available Tx packets in HW */
 416         u32 tx_pkts_freed[NUM_TX_QUEUES];
 417         u32 tx_allocated_pkts[NUM_TX_QUEUES];
 418
 419         /* Transmitted TX packets counter for chipset interface */
 420         u32 tx_packets_count;
 421
 422         /* Time-offset between host and chipset clocks */
 423         s64 time_offset;
 424
 425         /* Frames scheduled for transmission, not handled yet */
 426         int tx_queue_count[NUM_TX_QUEUES];
 427         long stopped_queues_map;
 428
 429         /* Frames received, not handled yet by mac80211 */
 430         struct sk_buff_head deferred_rx_queue;
 431
 432         /* Frames sent, not returned yet to mac80211 */
 433         struct sk_buff_head deferred_tx_queue;
 434
 435         struct work_struct tx_work;
 436         struct workqueue_struct *freezable_wq;
 437
 438         /* Pending TX frames */
 439         unsigned long tx_frames_map[BITS_TO_LONGS(ACX_TX_DESCRIPTORS)];
 440         struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
 441         int tx_frames_cnt;
 442
 443         /* FW Rx counter */
 444         u32 rx_counter;
 445
 446         /* Rx memory pool address */
 447         struct wl1271_rx_mem_pool_addr rx_mem_pool_addr;
 448
 449         /* Intermediate buffer, used for packet aggregation */
 450         u8 *aggr_buf;
 451
 452         /* Reusable dummy packet template */
 453         struct sk_buff *dummy_packet;
 454
 455         /* Network stack work  */
 456         struct work_struct netstack_work;
 457
 458         /* FW log buffer */
 459         u8 *fwlog;
 460
 461         /* Number of valid bytes in the FW log buffer */
 462         ssize_t fwlog_size;
 463
 464         /* Sysfs FW log entry readers wait queue */
 465         wait_queue_head_t fwlog_waitq;
 466
 467         /* Hardware recovery work */
 468         struct work_struct recovery_work;
 469
 470         /* The mbox event mask */
 471         u32 event_mask;
 472
 473         /* Mailbox pointers */
 474         u32 mbox_ptr[2];
 475
 476         /* Are we currently scanning */
 477         struct ieee80211_vif *scan_vif;
 478         struct wl1271_scan scan;
 479         struct delayed_work scan_complete_work;
 480
 481         bool sched_scanning;
 482
 483         /* The current band */
 484         enum ieee80211_band band;
 485
 486         struct completion *elp_compl;
 487         struct delayed_work elp_work;
 488
 489         /* in dBm */
 490         int power_level;
 491
 492         struct wl1271_stats stats;
 493
 494         __le32 buffer_32;
 495         u32 buffer_cmd;
 496         u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
 497
 498         struct wl12xx_fw_status *fw_status;
 499         struct wl1271_tx_hw_res_if *tx_res_if;
 500
 501         struct ieee80211_vif *vif;
 502
 503         /* Current chipset configuration */
 504         struct conf_drv_settings conf;
 505
 506         bool sg_enabled;
 507
 508         bool enable_11a;
 509
 510         struct list_head list;
 511
 512         /* Most recently reported noise in dBm */
 513         s8 noise;
 514
 515         /* bands supported by this instance of wl12xx */
 516         struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
 517
 518         int tcxo_clock;
 519
 520         /*
 521          * wowlan trigger was configured during suspend.
 522          * (currently, only "ANY" trigger is supported)
 523          */
 524         bool wow_enabled;
 525         bool irq_wake_enabled;
 526
 527         /*
 528          * AP-mode - links indexed by HLID. The global and broadcast links
 529          * are always active.
 530          */
 531         struct wl1271_link links[WL12XX_MAX_LINKS];
 532
 533         /* AP-mode - a bitmap of links currently in PS mode according to FW */
 534         u32 ap_fw_ps_map;
 535
 536         /* AP-mode - a bitmap of links currently in PS mode in mac80211 */
 537         unsigned long ap_ps_map;
 538
 539         /* Quirks of specific hardware revisions */
 540         unsigned int quirks;
 541
 542         /* Platform limitations */
 543         unsigned int platform_quirks;
 544
 545         /* number of currently active RX BA sessions */
 546         int ba_rx_session_count;
 547
 548         /* AP-mode - number of currently connected stations */
 549         int active_sta_count;
 550 };
 551
 552 struct wl1271_station {
 553         u8 hlid;
 554 };
 555
 556 struct wl12xx_vif {
 557         struct wl1271 *wl;
 558         struct list_head list;
 559         unsigned long flags;
 560         u8 bss_type;
 561         u8 p2p; /* we are using p2p role */
 562         u8 role_id;
 563
 564         /* sta/ibss specific */
 565         u8 dev_role_id;
 566         u8 dev_hlid;
 567
 568         union {
 569                 struct {
 570                         u8 hlid;
 571                         u8 ba_rx_bitmap;
 572                 } sta;
 573                 struct {
 574                         u8 global_hlid;
 575                         u8 bcast_hlid;
 576
 577                         /* HLIDs bitmap of associated stations */
 578                         unsigned long sta_hlid_map[BITS_TO_LONGS(
 579                                                         WL12XX_MAX_LINKS)];
 580
 581                         /* recoreded keys - set here before AP startup */
 582                         struct wl1271_ap_key *recorded_keys[MAX_NUM_KEYS];
 583                 } ap;
 584         };
 585
 586         /* the hlid of the last transmitted skb */
 587         int last_tx_hlid;
 588
 589         unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
 590
 591         u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
 592         u8 ssid_len;
 593
 594         u32 bitrate_masks[IEEE80211_NUM_BANDS];
 595         u32 basic_rate_set;
 596
 597         /*
 598          * currently configured rate set:
 599          *      bits  0-15 - 802.11abg rates
 600          *      bits 16-23 - 802.11n   MCS index mask
 601          * support only 1 stream, thus only 8 bits for the MCS rates (0-7).
 602          */
 603         u32 basic_rate;
 604         u32 rate_set;
 605
 606         /* probe-req template for the current AP */
 607         struct sk_buff *probereq;
 608
 609         /* Beaconing interval (needed for ad-hoc) */
 610         u32 beacon_int;
 611
 612         /* Default key (for WEP) */
 613         u32 default_key;
 614
 615         /* Our association ID */
 616         u16 aid;
 617
 618         /* Session counter for the chipset */
 619         int session_counter;
 620
 621         struct completion *ps_compl;
 622         struct delayed_work pspoll_work;
 623
 624         /* counter for ps-poll delivery failures */
 625         int ps_poll_failures;
 626
 627         /* retry counter for PSM entries */
 628         u8 psm_entry_retry;
 629
 630         int rssi_thold;
 631         int last_rssi_event;
 632
 633         /* RX BA constraint value */
 634         bool ba_support;
 635         bool ba_allowed;
 636
 637         /* Rx Streaming */
 638         struct work_struct rx_streaming_enable_work;
 639         struct work_struct rx_streaming_disable_work;
 640         struct timer_list rx_streaming_timer;
 641
 642         /*
 643          * This struct must be last!
 644          * data that has to be saved acrossed reconfigs (e.g. recovery)
 645          * should be declared in this struct.
 646          */
 647         struct {
 648                 u8 persistent[0];
 649                 /*
 650                  * Security sequence number
 651                  *     bits 0-15: lower 16 bits part of sequence number
 652                  *     bits 16-47: higher 32 bits part of sequence number
 653                  *     bits 48-63: not in use
 654                  */
 655                 u64 tx_security_seq;
 656
 657                 /* 8 bits of the last sequence number in use */
 658                 u8 tx_security_last_seq_lsb;
 659         };
 660 };
 661
 662 static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif)
 663 {
 664         return (struct wl12xx_vif *)vif->drv_priv;
 665 }
 666
 667 static inline
 668 struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif)
 669 {
 670         return container_of((void *)wlvif, struct ieee80211_vif, drv_priv);
 671 }
 672
 673 #define wl12xx_for_each_wlvif(wl, wlvif) \
 674                 list_for_each_entry(wlvif, &wl->wlvif_list, list)
 675
 676 #define wl12xx_for_each_wlvif_bss_type(wl, wlvif, _bss_type)    \
 677                 wl12xx_for_each_wlvif(wl, wlvif)                \
 678                         if (wlvif->bss_type == _bss_type)
 679
 680 #define wl12xx_for_each_wlvif_sta(wl, wlvif)    \
 681                 wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_STA_BSS)
 682
 683 #define wl12xx_for_each_wlvif_ap(wl, wlvif)     \
 684                 wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_AP_BSS)
 685
 686 int wl1271_plt_start(struct wl1271 *wl);
 687 int wl1271_plt_stop(struct wl1271 *wl);
 688 int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 689 void wl12xx_queue_recovery_work(struct wl1271 *wl);
 690 size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);
 691
 692 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
 693
 694 #define SESSION_COUNTER_MAX 6 /* maximum value for the session counter */
 695 #define SESSION_COUNTER_INVALID 7 /* used with dummy_packet */
 696
 697 #define WL1271_DEFAULT_POWER_LEVEL 0
 698
 699 #define WL1271_TX_QUEUE_LOW_WATERMARK  32
 700 #define WL1271_TX_QUEUE_HIGH_WATERMARK 256
 701
 702 #define WL1271_DEFERRED_QUEUE_LIMIT    64
 703
 704 /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
 705    on in case is has been shut down shortly before */
 706 #define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */
 707 #define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */
 708
 709 /* Macros to handle wl1271.sta_rate_set */
 710 #define HW_BG_RATES_MASK        0xffff
 711 #define HW_HT_RATES_OFFSET      16
 712
 713 /* Quirks */
 714
 715 /* Each RX/TX transaction requires an end-of-transaction transfer */
 716 #define WL12XX_QUIRK_END_OF_TRANSACTION         BIT(0)
 717
 718 /* WL128X requires aggregated packets to be aligned to the SDIO block size */
 719 #define WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT        BIT(2)
 720
 721 /* Older firmwares did not implement the FW logger over bus feature */
 722 #define WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED      BIT(4)
 723
 724 #define WL12XX_HW_BLOCK_SIZE    256
 725
 726 #endif