drivers/net/wireless/ti/wlcore/wlcore

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This source file includes following definitions.
wl12xx_vif_to_data
wl12xx_wlvif_to_vif
wlcore_is_p2p_mgmt
   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 };
 216 
 217 enum wl12xx_flags {
 218         WL1271_FLAG_GPIO_POWER,
 219         WL1271_FLAG_TX_QUEUE_STOPPED,
 220         WL1271_FLAG_TX_PENDING,
 221         WL1271_FLAG_IN_ELP,
 222         WL1271_FLAG_IRQ_RUNNING,
 223         WL1271_FLAG_FW_TX_BUSY,
 224         WL1271_FLAG_DUMMY_PACKET_PENDING,
 225         WL1271_FLAG_SUSPENDED,
 226         WL1271_FLAG_PENDING_WORK,
 227         WL1271_FLAG_SOFT_GEMINI,
 228         WL1271_FLAG_RECOVERY_IN_PROGRESS,
 229         WL1271_FLAG_VIF_CHANGE_IN_PROGRESS,
 230         WL1271_FLAG_INTENDED_FW_RECOVERY,
 231         WL1271_FLAG_IO_FAILED,
 232         WL1271_FLAG_REINIT_TX_WDOG,
 233 };
 234 
 235 enum wl12xx_vif_flags {
 236         WLVIF_FLAG_INITIALIZED,
 237         WLVIF_FLAG_STA_ASSOCIATED,
 238         WLVIF_FLAG_STA_AUTHORIZED,
 239         WLVIF_FLAG_IBSS_JOINED,
 240         WLVIF_FLAG_AP_STARTED,
 241         WLVIF_FLAG_IN_PS,
 242         WLVIF_FLAG_STA_STATE_SENT,
 243         WLVIF_FLAG_RX_STREAMING_STARTED,
 244         WLVIF_FLAG_PSPOLL_FAILURE,
 245         WLVIF_FLAG_CS_PROGRESS,
 246         WLVIF_FLAG_AP_PROBE_RESP_SET,
 247         WLVIF_FLAG_IN_USE,
 248         WLVIF_FLAG_ACTIVE,
 249         WLVIF_FLAG_BEACON_DISABLED,
 250 };
 251 
 252 struct wl12xx_vif;
 253 
 254 struct wl1271_link {
 255         /* AP-mode - TX queue per AC in link */
 256         struct sk_buff_head tx_queue[NUM_TX_QUEUES];
 257 
 258         /* accounting for allocated / freed packets in FW */
 259         u8 allocated_pkts;
 260         u8 prev_freed_pkts;
 261 
 262         u8 addr[ETH_ALEN];
 263 
 264         /* bitmap of TIDs where RX BA sessions are active for this link */
 265         u8 ba_bitmap;
 266 
 267         /* the last fw rate index we used for this link */
 268         u8 fw_rate_idx;
 269 
 270         /* the last fw rate [Mbps] we used for this link */
 271         u8 fw_rate_mbps;
 272 
 273         /* The wlvif this link belongs to. Might be null for global links */
 274         struct wl12xx_vif *wlvif;
 275 
 276         /*
 277          * total freed FW packets on the link - used for tracking the
 278          * AES/TKIP PN across recoveries. Re-initialized each time
 279          * from the wl1271_station structure.
 280          */
 281         u64 total_freed_pkts;
 282 };
 283 
 284 #define WL1271_MAX_RX_FILTERS 5
 285 #define WL1271_RX_FILTER_MAX_FIELDS 8
 286 
 287 #define WL1271_RX_FILTER_ETH_HEADER_SIZE 14
 288 #define WL1271_RX_FILTER_MAX_FIELDS_SIZE 95
 289 #define RX_FILTER_FIELD_OVERHEAD                                \
 290         (sizeof(struct wl12xx_rx_filter_field) - sizeof(u8 *))
 291 #define WL1271_RX_FILTER_MAX_PATTERN_SIZE                       \
 292         (WL1271_RX_FILTER_MAX_FIELDS_SIZE - RX_FILTER_FIELD_OVERHEAD)
 293 
 294 #define WL1271_RX_FILTER_FLAG_MASK                BIT(0)
 295 #define WL1271_RX_FILTER_FLAG_IP_HEADER           0
 296 #define WL1271_RX_FILTER_FLAG_ETHERNET_HEADER     BIT(1)
 297 
 298 enum rx_filter_action {
 299         FILTER_DROP = 0,
 300         FILTER_SIGNAL = 1,
 301         FILTER_FW_HANDLE = 2
 302 };
 303 
 304 enum plt_mode {
 305         PLT_OFF = 0,
 306         PLT_ON = 1,
 307         PLT_FEM_DETECT = 2,
 308         PLT_CHIP_AWAKE = 3
 309 };
 310 
 311 struct wl12xx_rx_filter_field {
 312         __le16 offset;
 313         u8 len;
 314         u8 flags;
 315         u8 *pattern;
 316 } __packed;
 317 
 318 struct wl12xx_rx_filter {
 319         u8 action;
 320         int num_fields;
 321         struct wl12xx_rx_filter_field fields[WL1271_RX_FILTER_MAX_FIELDS];
 322 };
 323 
 324 struct wl1271_station {
 325         u8 hlid;
 326         bool in_connection;
 327 
 328         /*
 329          * total freed FW packets on the link to the STA - used for tracking the
 330          * AES/TKIP PN across recoveries. Re-initialized each time from the
 331          * wl1271_station structure.
 332          * Used in both AP and STA mode.
 333          */
 334         u64 total_freed_pkts;
 335 };
 336 
 337 struct wl12xx_vif {
 338         struct wl1271 *wl;
 339         struct list_head list;
 340         unsigned long flags;
 341         u8 bss_type;
 342         u8 p2p; /* we are using p2p role */
 343         u8 role_id;
 344 
 345         /* sta/ibss specific */
 346         u8 dev_role_id;
 347         u8 dev_hlid;
 348 
 349         union {
 350                 struct {
 351                         u8 hlid;
 352 
 353                         u8 basic_rate_idx;
 354                         u8 ap_rate_idx;
 355                         u8 p2p_rate_idx;
 356 
 357                         u8 klv_template_id;
 358 
 359                         bool qos;
 360                         /* channel type we started the STA role with */
 361                         enum nl80211_channel_type role_chan_type;
 362                 } sta;
 363                 struct {
 364                         u8 global_hlid;
 365                         u8 bcast_hlid;
 366 
 367                         /* HLIDs bitmap of associated stations */
 368                         unsigned long sta_hlid_map[BITS_TO_LONGS(
 369                                                         WLCORE_MAX_LINKS)];
 370 
 371                         /* recoreded keys - set here before AP startup */
 372                         struct wl1271_ap_key *recorded_keys[MAX_NUM_KEYS];
 373 
 374                         u8 mgmt_rate_idx;
 375                         u8 bcast_rate_idx;
 376                         u8 ucast_rate_idx[CONF_TX_MAX_AC_COUNT];
 377                 } ap;
 378         };
 379 
 380         /* the hlid of the last transmitted skb */
 381         int last_tx_hlid;
 382 
 383         /* counters of packets per AC, across all links in the vif */
 384         int tx_queue_count[NUM_TX_QUEUES];
 385 
 386         unsigned long links_map[BITS_TO_LONGS(WLCORE_MAX_LINKS)];
 387 
 388         u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
 389         u8 ssid_len;
 390 
 391         /* The current band */
 392         enum nl80211_band band;
 393         int channel;
 394         enum nl80211_channel_type channel_type;
 395 
 396         u32 bitrate_masks[WLCORE_NUM_BANDS];
 397         u32 basic_rate_set;
 398 
 399         /*
 400          * currently configured rate set:
 401          *      bits  0-15 - 802.11abg rates
 402          *      bits 16-23 - 802.11n   MCS index mask
 403          * support only 1 stream, thus only 8 bits for the MCS rates (0-7).
 404          */
 405         u32 basic_rate;
 406         u32 rate_set;
 407 
 408         /* probe-req template for the current AP */
 409         struct sk_buff *probereq;
 410 
 411         /* Beaconing interval (needed for ad-hoc) */
 412         u32 beacon_int;
 413 
 414         /* Default key (for WEP) */
 415         u32 default_key;
 416 
 417         /* Our association ID */
 418         u16 aid;
 419 
 420         /* retry counter for PSM entries */
 421         u8 psm_entry_retry;
 422 
 423         /* in dBm */
 424         int power_level;
 425 
 426         int rssi_thold;
 427         int last_rssi_event;
 428 
 429         /* save the current encryption type for auto-arp config */
 430         u8 encryption_type;
 431         __be32 ip_addr;
 432 
 433         /* RX BA constraint value */
 434         bool ba_support;
 435         bool ba_allowed;
 436 
 437         bool wmm_enabled;
 438 
 439         bool radar_enabled;
 440 
 441         /* Rx Streaming */
 442         struct work_struct rx_streaming_enable_work;
 443         struct work_struct rx_streaming_disable_work;
 444         struct timer_list rx_streaming_timer;
 445 
 446         struct delayed_work channel_switch_work;
 447         struct delayed_work connection_loss_work;
 448 
 449         /* number of in connection stations */
 450         int inconn_count;
 451 
 452         /*
 453          * This vif's queues are mapped to mac80211 HW queues as:
 454          * VO - hw_queue_base
 455          * VI - hw_queue_base + 1
 456          * BE - hw_queue_base + 2
 457          * BK - hw_queue_base + 3
 458          */
 459         int hw_queue_base;
 460 
 461         /* do we have a pending auth reply? (and ROC) */
 462         bool ap_pending_auth_reply;
 463 
 464         /* time when we sent the pending auth reply */
 465         unsigned long pending_auth_reply_time;
 466 
 467         /* work for canceling ROC after pending auth reply */
 468         struct delayed_work pending_auth_complete_work;
 469 
 470         /* update rate conrol */
 471         enum ieee80211_sta_rx_bandwidth rc_update_bw;
 472         struct ieee80211_sta_ht_cap rc_ht_cap;
 473         struct work_struct rc_update_work;
 474 
 475         /*
 476          * total freed FW packets on the link.
 477          * For STA this holds the PN of the link to the AP.
 478          * For AP this holds the PN of the broadcast link.
 479          */
 480         u64 total_freed_pkts;
 481 
 482         /*
 483          * This struct must be last!
 484          * data that has to be saved acrossed reconfigs (e.g. recovery)
 485          * should be declared in this struct.
 486          */
 487         struct {
 488                 u8 persistent[0];
 489         };
 490 };
 491 
 492 static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif)
 493 {
 494         WARN_ON(!vif);
 495         return (struct wl12xx_vif *)vif->drv_priv;
 496 }
 497 
 498 static inline
 499 struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif)
 500 {
 501         return container_of((void *)wlvif, struct ieee80211_vif, drv_priv);
 502 }
 503 
 504 static inline bool wlcore_is_p2p_mgmt(struct wl12xx_vif *wlvif)
 505 {
 506         return wl12xx_wlvif_to_vif(wlvif)->type == NL80211_IFTYPE_P2P_DEVICE;
 507 }
 508 
 509 #define wl12xx_for_each_wlvif(wl, wlvif) \
 510                 list_for_each_entry(wlvif, &wl->wlvif_list, list)
 511 
 512 #define wl12xx_for_each_wlvif_continue(wl, wlvif) \
 513                 list_for_each_entry_continue(wlvif, &wl->wlvif_list, list)
 514 
 515 #define wl12xx_for_each_wlvif_bss_type(wl, wlvif, _bss_type)    \
 516                 wl12xx_for_each_wlvif(wl, wlvif)                \
 517                         if (wlvif->bss_type == _bss_type)
 518 
 519 #define wl12xx_for_each_wlvif_sta(wl, wlvif)    \
 520                 wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_STA_BSS)
 521 
 522 #define wl12xx_for_each_wlvif_ap(wl, wlvif)     \
 523                 wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_AP_BSS)
 524 
 525 int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode);
 526 int wl1271_plt_stop(struct wl1271 *wl);
 527 int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 528 void wl12xx_queue_recovery_work(struct wl1271 *wl);
 529 size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);
 530 int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter,
 531                                  u16 offset, u8 flags,
 532                                  const u8 *pattern, u8 len);
 533 void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter);
 534 struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void);
 535 int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter);
 536 void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter,
 537                                      u8 *buf);
 538 
 539 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
 540 
 541 #define SESSION_COUNTER_MAX 6 /* maximum value for the session counter */
 542 #define SESSION_COUNTER_INVALID 7 /* used with dummy_packet */
 543 
 544 #define WL1271_DEFAULT_POWER_LEVEL 0
 545 
 546 #define WL1271_TX_QUEUE_LOW_WATERMARK  32
 547 #define WL1271_TX_QUEUE_HIGH_WATERMARK 256
 548 
 549 #define WL1271_DEFERRED_QUEUE_LIMIT    64
 550 
 551 /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
 552    on in case is has been shut down shortly before */
 553 #define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */
 554 #define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */
 555 
 556 /* Macros to handle wl1271.sta_rate_set */
 557 #define HW_BG_RATES_MASK        0xffff
 558 #define HW_HT_RATES_OFFSET      16
 559 #define HW_MIMO_RATES_OFFSET    24
 560 
 561 #endif /* __WLCORE_I_H__ */
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/net/wireless/ti/wlcore/wlcore_i.h

INCLUDED FROM

DEFINITIONS
