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 #define WL12XX_MAX_RATE_POLICIES 16
 146
 147 /* Defined by FW as 0. Will not be freed or allocated. */
 148 #define WL12XX_SYSTEM_HLID         0
 149
 150 /*
 151  * When in AP-mode, we allow (at least) this number of packets
 152  * to be transmitted to FW for a STA in PS-mode. Only when packets are
 153  * present in the FW buffers it will wake the sleeping STA. We want to put
 154  * enough packets for the driver to transmit all of its buffered data before
 155  * the STA goes to sleep again. But we don't want to take too much memory
 156  * as it might hurt the throughput of active STAs.
 157  */
 158 #define WL1271_PS_STA_MAX_PACKETS  2
 159
 160 #define WL1271_AP_BSS_INDEX        0
 161 #define WL1271_AP_DEF_BEACON_EXP   20
 162
 163 #define ACX_TX_DESCRIPTORS         16
 164
 165 #define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE)
 166
 167 enum wl1271_state {
 168         WL1271_STATE_OFF,
 169         WL1271_STATE_ON,
 170         WL1271_STATE_PLT,
 171 };
 172
 173 enum wl1271_partition_type {
 174         PART_DOWN,
 175         PART_WORK,
 176         PART_DRPW,
 177
 178         PART_TABLE_LEN
 179 };
 180
 181 struct wl1271_partition {
 182         u32 size;
 183         u32 start;
 184 };
 185
 186 struct wl1271_partition_set {
 187         struct wl1271_partition mem;
 188         struct wl1271_partition reg;
 189         struct wl1271_partition mem2;
 190         struct wl1271_partition mem3;
 191 };
 192
 193 struct wl1271;
 194
 195 enum {
 196         FW_VER_CHIP,
 197         FW_VER_IF_TYPE,
 198         FW_VER_MAJOR,
 199         FW_VER_SUBTYPE,
 200         FW_VER_MINOR,
 201
 202         NUM_FW_VER
 203 };
 204
 205 #define FW_VER_CHIP_WL127X 6
 206 #define FW_VER_CHIP_WL128X 7
 207
 208 #define FW_VER_IF_TYPE_STA 1
 209 #define FW_VER_IF_TYPE_AP  2
 210
 211 #define FW_VER_MINOR_1_SPARE_STA_MIN 58
 212 #define FW_VER_MINOR_1_SPARE_AP_MIN  47
 213
 214 #define FW_VER_MINOR_FWLOG_STA_MIN 70
 215
 216 struct wl1271_chip {
 217         u32 id;
 218         char fw_ver_str[ETHTOOL_BUSINFO_LEN];
 219         unsigned int fw_ver[NUM_FW_VER];
 220 };
 221
 222 struct wl1271_stats {
 223         struct acx_statistics *fw_stats;
 224         unsigned long fw_stats_update;
 225
 226         unsigned int retry_count;
 227         unsigned int excessive_retries;
 228 };
 229
 230 #define NUM_TX_QUEUES              4
 231 #define NUM_RX_PKT_DESC            8
 232
 233 #define AP_MAX_STATIONS            8
 234
 235 /* FW status registers */
 236 struct wl12xx_fw_status {
 237         __le32 intr;
 238         u8  fw_rx_counter;
 239         u8  drv_rx_counter;
 240         u8  reserved;
 241         u8  tx_results_counter;
 242         __le32 rx_pkt_descs[NUM_RX_PKT_DESC];
 243         __le32 fw_localtime;
 244
 245         /*
 246          * A bitmap (where each bit represents a single HLID)
 247          * to indicate if the station is in PS mode.
 248          */
 249         __le32 link_ps_bitmap;
 250
 251         /*
 252          * A bitmap (where each bit represents a single HLID) to indicate
 253          * if the station is in Fast mode
 254          */
 255         __le32 link_fast_bitmap;
 256
 257         /* Cumulative counter of total released mem blocks since FW-reset */
 258         __le32 total_released_blks;
 259
 260         /* Size (in Memory Blocks) of TX pool */
 261         __le32 tx_total;
 262
 263         /* Cumulative counter of released packets per AC */
 264         u8 tx_released_pkts[NUM_TX_QUEUES];
 265
 266         /* Cumulative counter of freed packets per HLID */
 267         u8 tx_lnk_free_pkts[WL12XX_MAX_LINKS];
 268
 269         /* Cumulative counter of released Voice memory blocks */
 270         u8 tx_voice_released_blks;
 271         u8 padding_1[3];
 272         __le32 log_start_addr;
 273 } __packed;
 274
 275 struct wl1271_rx_mem_pool_addr {
 276         u32 addr;
 277         u32 addr_extra;
 278 };
 279
 280 #define WL1271_MAX_CHANNELS 64
 281 struct wl1271_scan {
 282         struct cfg80211_scan_request *req;
 283         unsigned long scanned_ch[BITS_TO_LONGS(WL1271_MAX_CHANNELS)];
 284         bool failed;
 285         u8 state;
 286         u8 ssid[IEEE80211_MAX_SSID_LEN+1];
 287         size_t ssid_len;
 288 };
 289
 290 struct wl1271_if_operations {
 291         void (*read)(struct wl1271 *wl, int addr, void *buf, size_t len,
 292                      bool fixed);
 293         void (*write)(struct wl1271 *wl, int addr, void *buf, size_t len,
 294                      bool fixed);
 295         void (*reset)(struct wl1271 *wl);
 296         void (*init)(struct wl1271 *wl);
 297         int (*power)(struct wl1271 *wl, bool enable);
 298         struct device* (*dev)(struct wl1271 *wl);
 299         void (*enable_irq)(struct wl1271 *wl);
 300         void (*disable_irq)(struct wl1271 *wl);
 301         void (*set_block_size) (struct wl1271 *wl, unsigned int blksz);
 302 };
 303
 304 #define MAX_NUM_KEYS 14
 305 #define MAX_KEY_SIZE 32
 306
 307 struct wl1271_ap_key {
 308         u8 id;
 309         u8 key_type;
 310         u8 key_size;
 311         u8 key[MAX_KEY_SIZE];
 312         u8 hlid;
 313         u32 tx_seq_32;
 314         u16 tx_seq_16;
 315 };
 316
 317 enum wl12xx_flags {
 318         WL1271_FLAG_GPIO_POWER,
 319         WL1271_FLAG_TX_QUEUE_STOPPED,
 320         WL1271_FLAG_TX_PENDING,
 321         WL1271_FLAG_IN_ELP,
 322         WL1271_FLAG_ELP_REQUESTED,
 323         WL1271_FLAG_IRQ_RUNNING,
 324         WL1271_FLAG_IDLE,
 325         WL1271_FLAG_FW_TX_BUSY,
 326         WL1271_FLAG_DUMMY_PACKET_PENDING,
 327         WL1271_FLAG_SUSPENDED,
 328         WL1271_FLAG_PENDING_WORK,
 329         WL1271_FLAG_SOFT_GEMINI,
 330         WL1271_FLAG_RECOVERY_IN_PROGRESS,
 331 };
 332
 333 enum wl12xx_vif_flags {
 334         WLVIF_FLAG_INITIALIZED,
 335         WLVIF_FLAG_STA_ASSOCIATED,
 336         WLVIF_FLAG_IBSS_JOINED,
 337         WLVIF_FLAG_AP_STARTED,
 338         WLVIF_FLAG_PSM,
 339         WLVIF_FLAG_PSM_REQUESTED,
 340         WLVIF_FLAG_STA_STATE_SENT,
 341         WLVIF_FLAG_RX_STREAMING_STARTED,
 342         WLVIF_FLAG_PSPOLL_FAILURE,
 343         WLVIF_FLAG_CS_PROGRESS,
 344 };
 345
 346 struct wl1271_link {
 347         /* AP-mode - TX queue per AC in link */
 348         struct sk_buff_head tx_queue[NUM_TX_QUEUES];
 349
 350         /* accounting for allocated / freed packets in FW */
 351         u8 allocated_pkts;
 352         u8 prev_freed_pkts;
 353
 354         u8 addr[ETH_ALEN];
 355
 356         /* bitmap of TIDs where RX BA sessions are active for this link */
 357         u8 ba_bitmap;
 358 };
 359
 360 struct wl1271 {
 361         struct platform_device *plat_dev;
 362         struct ieee80211_hw *hw;
 363         bool mac80211_registered;
 364
 365         void *if_priv;
 366
 367         struct wl1271_if_operations *if_ops;
 368
 369         void (*set_power)(bool enable);
 370         int irq;
 371         int ref_clock;
 372
 373         spinlock_t wl_lock;
 374
 375         enum wl1271_state state;
 376         struct mutex mutex;
 377
 378         unsigned long flags;
 379
 380         struct wl1271_partition_set part;
 381
 382         struct wl1271_chip chip;
 383
 384         int cmd_box_addr;
 385         int event_box_addr;
 386
 387         u8 *fw;
 388         size_t fw_len;
 389         void *nvs;
 390         size_t nvs_len;
 391
 392         s8 hw_pg_ver;
 393
 394         u8 mac_addr[ETH_ALEN];
 395         int channel;
 396         u8 system_hlid;
 397
 398         unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
 399         unsigned long roles_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
 400         unsigned long roc_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
 401         unsigned long rate_policies_map[
 402                         BITS_TO_LONGS(WL12XX_MAX_RATE_POLICIES)];
 403
 404         struct list_head wlvif_list;
 405
 406         u8 sta_count;
 407         u8 ap_count;
 408
 409         struct wl1271_acx_mem_map *target_mem_map;
 410
 411         /* Accounting for allocated / available TX blocks on HW */
 412         u32 tx_blocks_freed;
 413         u32 tx_blocks_available;
 414         u32 tx_allocated_blocks;
 415         u32 tx_results_count;
 416
 417         /* amount of spare TX blocks to use */
 418         u32 tx_spare_blocks;
 419
 420         /* Accounting for allocated / available Tx packets in HW */
 421         u32 tx_pkts_freed[NUM_TX_QUEUES];
 422         u32 tx_allocated_pkts[NUM_TX_QUEUES];
 423
 424         /* Transmitted TX packets counter for chipset interface */
 425         u32 tx_packets_count;
 426
 427         /* Time-offset between host and chipset clocks */
 428         s64 time_offset;
 429
 430         /* Frames scheduled for transmission, not handled yet */
 431         int tx_queue_count[NUM_TX_QUEUES];
 432         long stopped_queues_map;
 433
 434         /* Frames received, not handled yet by mac80211 */
 435         struct sk_buff_head deferred_rx_queue;
 436
 437         /* Frames sent, not returned yet to mac80211 */
 438         struct sk_buff_head deferred_tx_queue;
 439
 440         struct work_struct tx_work;
 441         struct workqueue_struct *freezable_wq;
 442
 443         /* Pending TX frames */
 444         unsigned long tx_frames_map[BITS_TO_LONGS(ACX_TX_DESCRIPTORS)];
 445         struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
 446         int tx_frames_cnt;
 447
 448         /* FW Rx counter */
 449         u32 rx_counter;
 450
 451         /* Rx memory pool address */
 452         struct wl1271_rx_mem_pool_addr rx_mem_pool_addr;
 453
 454         /* Intermediate buffer, used for packet aggregation */
 455         u8 *aggr_buf;
 456
 457         /* Reusable dummy packet template */
 458         struct sk_buff *dummy_packet;
 459
 460         /* Network stack work  */
 461         struct work_struct netstack_work;
 462
 463         /* FW log buffer */
 464         u8 *fwlog;
 465
 466         /* Number of valid bytes in the FW log buffer */
 467         ssize_t fwlog_size;
 468
 469         /* Sysfs FW log entry readers wait queue */
 470         wait_queue_head_t fwlog_waitq;
 471
 472         /* Hardware recovery work */
 473         struct work_struct recovery_work;
 474
 475         /* The mbox event mask */
 476         u32 event_mask;
 477
 478         /* Mailbox pointers */
 479         u32 mbox_ptr[2];
 480
 481         /* Are we currently scanning */
 482         struct ieee80211_vif *scan_vif;
 483         struct wl1271_scan scan;
 484         struct delayed_work scan_complete_work;
 485
 486         bool sched_scanning;
 487
 488         /* The current band */
 489         enum ieee80211_band band;
 490
 491         struct completion *elp_compl;
 492         struct delayed_work elp_work;
 493
 494         /* in dBm */
 495         int power_level;
 496
 497         struct wl1271_stats stats;
 498
 499         __le32 buffer_32;
 500         u32 buffer_cmd;
 501         u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
 502
 503         struct wl12xx_fw_status *fw_status;
 504         struct wl1271_tx_hw_res_if *tx_res_if;
 505
 506         struct ieee80211_vif *vif;
 507
 508         /* Current chipset configuration */
 509         struct conf_drv_settings conf;
 510
 511         bool sg_enabled;
 512
 513         bool enable_11a;
 514
 515         struct list_head list;
 516
 517         /* Most recently reported noise in dBm */
 518         s8 noise;
 519
 520         /* bands supported by this instance of wl12xx */
 521         struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
 522
 523         int tcxo_clock;
 524
 525         /*
 526          * wowlan trigger was configured during suspend.
 527          * (currently, only "ANY" trigger is supported)
 528          */
 529         bool wow_enabled;
 530         bool irq_wake_enabled;
 531
 532         /*
 533          * AP-mode - links indexed by HLID. The global and broadcast links
 534          * are always active.
 535          */
 536         struct wl1271_link links[WL12XX_MAX_LINKS];
 537
 538         /* AP-mode - a bitmap of links currently in PS mode according to FW */
 539         u32 ap_fw_ps_map;
 540
 541         /* AP-mode - a bitmap of links currently in PS mode in mac80211 */
 542         unsigned long ap_ps_map;
 543
 544         /* Quirks of specific hardware revisions */
 545         unsigned int quirks;
 546
 547         /* Platform limitations */
 548         unsigned int platform_quirks;
 549
 550         /* number of currently active RX BA sessions */
 551         int ba_rx_session_count;
 552
 553         /* AP-mode - number of currently connected stations */
 554         int active_sta_count;
 555 };
 556
 557 struct wl1271_station {
 558         u8 hlid;
 559 };
 560
 561 struct wl12xx_vif {
 562         struct wl1271 *wl;
 563         struct list_head list;
 564         unsigned long flags;
 565         u8 bss_type;
 566         u8 p2p; /* we are using p2p role */
 567         u8 role_id;
 568
 569         /* sta/ibss specific */
 570         u8 dev_role_id;
 571         u8 dev_hlid;
 572
 573         union {
 574                 struct {
 575                         u8 hlid;
 576                         u8 ba_rx_bitmap;
 577
 578                         u8 basic_rate_idx;
 579                         u8 ap_rate_idx;
 580                         u8 p2p_rate_idx;
 581                 } sta;
 582                 struct {
 583                         u8 global_hlid;
 584                         u8 bcast_hlid;
 585
 586                         /* HLIDs bitmap of associated stations */
 587                         unsigned long sta_hlid_map[BITS_TO_LONGS(
 588                                                         WL12XX_MAX_LINKS)];
 589
 590                         /* recoreded keys - set here before AP startup */
 591                         struct wl1271_ap_key *recorded_keys[MAX_NUM_KEYS];
 592
 593                         u8 mgmt_rate_idx;
 594                         u8 bcast_rate_idx;
 595                         u8 ucast_rate_idx[CONF_TX_MAX_AC_COUNT];
 596                 } ap;
 597         };
 598
 599         /* the hlid of the last transmitted skb */
 600         int last_tx_hlid;
 601
 602         unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
 603
 604         u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
 605         u8 ssid_len;
 606
 607         /* The current band */
 608         enum ieee80211_band band;
 609         int channel;
 610
 611         u32 bitrate_masks[IEEE80211_NUM_BANDS];
 612         u32 basic_rate_set;
 613
 614         /*
 615          * currently configured rate set:
 616          *      bits  0-15 - 802.11abg rates
 617          *      bits 16-23 - 802.11n   MCS index mask
 618          * support only 1 stream, thus only 8 bits for the MCS rates (0-7).
 619          */
 620         u32 basic_rate;
 621         u32 rate_set;
 622
 623         /* probe-req template for the current AP */
 624         struct sk_buff *probereq;
 625
 626         /* Beaconing interval (needed for ad-hoc) */
 627         u32 beacon_int;
 628
 629         /* Default key (for WEP) */
 630         u32 default_key;
 631
 632         /* Our association ID */
 633         u16 aid;
 634
 635         /* Session counter for the chipset */
 636         int session_counter;
 637
 638         struct completion *ps_compl;
 639         struct delayed_work pspoll_work;
 640
 641         /* counter for ps-poll delivery failures */
 642         int ps_poll_failures;
 643
 644         /* retry counter for PSM entries */
 645         u8 psm_entry_retry;
 646
 647         /* in dBm */
 648         int power_level;
 649
 650         int rssi_thold;
 651         int last_rssi_event;
 652
 653         /* RX BA constraint value */
 654         bool ba_support;
 655         bool ba_allowed;
 656
 657         /* Rx Streaming */
 658         struct work_struct rx_streaming_enable_work;
 659         struct work_struct rx_streaming_disable_work;
 660         struct timer_list rx_streaming_timer;
 661
 662         /*
 663          * This struct must be last!
 664          * data that has to be saved acrossed reconfigs (e.g. recovery)
 665          * should be declared in this struct.
 666          */
 667         struct {
 668                 u8 persistent[0];
 669                 /*
 670                  * Security sequence number
 671                  *     bits 0-15: lower 16 bits part of sequence number
 672                  *     bits 16-47: higher 32 bits part of sequence number
 673                  *     bits 48-63: not in use
 674                  */
 675                 u64 tx_security_seq;
 676
 677                 /* 8 bits of the last sequence number in use */
 678                 u8 tx_security_last_seq_lsb;
 679         };
 680 };
 681
 682 static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif)
 683 {
 684         return (struct wl12xx_vif *)vif->drv_priv;
 685 }
 686
 687 static inline
 688 struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif)
 689 {
 690         return container_of((void *)wlvif, struct ieee80211_vif, drv_priv);
 691 }
 692
 693 #define wl12xx_for_each_wlvif(wl, wlvif) \
 694                 list_for_each_entry(wlvif, &wl->wlvif_list, list)
 695
 696 #define wl12xx_for_each_wlvif_bss_type(wl, wlvif, _bss_type)    \
 697                 wl12xx_for_each_wlvif(wl, wlvif)                \
 698                         if (wlvif->bss_type == _bss_type)
 699
 700 #define wl12xx_for_each_wlvif_sta(wl, wlvif)    \
 701                 wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_STA_BSS)
 702
 703 #define wl12xx_for_each_wlvif_ap(wl, wlvif)     \
 704                 wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_AP_BSS)
 705
 706 int wl1271_plt_start(struct wl1271 *wl);
 707 int wl1271_plt_stop(struct wl1271 *wl);
 708 int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 709 void wl12xx_queue_recovery_work(struct wl1271 *wl);
 710 size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);
 711
 712 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
 713
 714 #define SESSION_COUNTER_MAX 6 /* maximum value for the session counter */
 715 #define SESSION_COUNTER_INVALID 7 /* used with dummy_packet */
 716
 717 #define WL1271_DEFAULT_POWER_LEVEL 0
 718
 719 #define WL1271_TX_QUEUE_LOW_WATERMARK  32
 720 #define WL1271_TX_QUEUE_HIGH_WATERMARK 256
 721
 722 #define WL1271_DEFERRED_QUEUE_LIMIT    64
 723
 724 /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
 725    on in case is has been shut down shortly before */
 726 #define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */
 727 #define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */
 728
 729 /* Macros to handle wl1271.sta_rate_set */
 730 #define HW_BG_RATES_MASK        0xffff
 731 #define HW_HT_RATES_OFFSET      16
 732
 733 /* Quirks */
 734
 735 /* Each RX/TX transaction requires an end-of-transaction transfer */
 736 #define WL12XX_QUIRK_END_OF_TRANSACTION         BIT(0)
 737
 738 /* WL128X requires aggregated packets to be aligned to the SDIO block size */
 739 #define WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT        BIT(2)
 740
 741 /* Older firmwares did not implement the FW logger over bus feature */
 742 #define WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED      BIT(4)
 743
 744 #define WL12XX_HW_BLOCK_SIZE    256
 745
 746 #endif