drivers/net/wireless/ath/ath10k/core.h

   1 /*
   2  * Copyright (c) 2005-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef _CORE_H_
  19 #define _CORE_H_
  20
  21 #include <linux/completion.h>
  22 #include <linux/if_ether.h>
  23 #include <linux/types.h>
  24 #include <linux/pci.h>
  25 #include <linux/uuid.h>
  26 #include <linux/time.h>
  27
  28 #include "htt.h"
  29 #include "htc.h"
  30 #include "hw.h"
  31 #include "targaddrs.h"
  32 #include "wmi.h"
  33 #include "../ath.h"
  34 #include "../regd.h"
  35 #include "../dfs_pattern_detector.h"
  36 #include "spectral.h"
  37 #include "thermal.h"
  38 #include "wow.h"
  39 #include "swap.h"
  40
  41 #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
  42 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
  43 #define WO(_f)      ((_f##_OFFSET) >> 2)
  44
  45 #define ATH10K_SCAN_ID 0
  46 #define WMI_READY_TIMEOUT (5 * HZ)
  47 #define ATH10K_FLUSH_TIMEOUT_HZ (5*HZ)
  48 #define ATH10K_CONNECTION_LOSS_HZ (3*HZ)
  49 #define ATH10K_NUM_CHANS 39
  50
  51 /* Antenna noise floor */
  52 #define ATH10K_DEFAULT_NOISE_FLOOR -95
  53
  54 #define ATH10K_MAX_NUM_MGMT_PENDING 128
  55
  56 /* number of failed packets (20 packets with 16 sw reties each) */
  57 #define ATH10K_KICKOUT_THRESHOLD (20 * 16)
  58
  59 /*
  60  * Use insanely high numbers to make sure that the firmware implementation
  61  * won't start, we have the same functionality already in hostapd. Unit
  62  * is seconds.
  63  */
  64 #define ATH10K_KEEPALIVE_MIN_IDLE 3747
  65 #define ATH10K_KEEPALIVE_MAX_IDLE 3895
  66 #define ATH10K_KEEPALIVE_MAX_UNRESPONSIVE 3900
  67
  68 struct ath10k;
  69
  70 enum ath10k_bus {
  71         ATH10K_BUS_PCI,
  72         ATH10K_BUS_AHB,
  73 };
  74
  75 static inline const char *ath10k_bus_str(enum ath10k_bus bus)
  76 {
  77         switch (bus) {
  78         case ATH10K_BUS_PCI:
  79                 return "pci";
  80         case ATH10K_BUS_AHB:
  81                 return "ahb";
  82         }
  83
  84         return "unknown";
  85 }
  86
  87 enum ath10k_skb_flags {
  88         ATH10K_SKB_F_NO_HWCRYPT = BIT(0),
  89         ATH10K_SKB_F_DTIM_ZERO = BIT(1),
  90         ATH10K_SKB_F_DELIVER_CAB = BIT(2),
  91         ATH10K_SKB_F_MGMT = BIT(3),
  92         ATH10K_SKB_F_QOS = BIT(4),
  93 };
  94
  95 struct ath10k_skb_cb {
  96         dma_addr_t paddr;
  97         u8 flags;
  98         u8 eid;
  99         u16 msdu_id;
 100         struct ieee80211_vif *vif;
 101         struct ieee80211_txq *txq;
 102 } __packed;
 103
 104 struct ath10k_skb_rxcb {
 105         dma_addr_t paddr;
 106         struct hlist_node hlist;
 107 };
 108
 109 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
 110 {
 111         BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
 112                      IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
 113         return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
 114 }
 115
 116 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb)
 117 {
 118         BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb));
 119         return (struct ath10k_skb_rxcb *)skb->cb;
 120 }
 121
 122 #define ATH10K_RXCB_SKB(rxcb) \
 123                 container_of((void *)rxcb, struct sk_buff, cb)
 124
 125 static inline u32 host_interest_item_address(u32 item_offset)
 126 {
 127         return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
 128 }
 129
 130 struct ath10k_bmi {
 131         bool done_sent;
 132 };
 133
 134 struct ath10k_mem_chunk {
 135         void *vaddr;
 136         dma_addr_t paddr;
 137         u32 len;
 138         u32 req_id;
 139 };
 140
 141 struct ath10k_wmi {
 142         enum ath10k_fw_wmi_op_version op_version;
 143         enum ath10k_htc_ep_id eid;
 144         struct completion service_ready;
 145         struct completion unified_ready;
 146         wait_queue_head_t tx_credits_wq;
 147         DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX);
 148         struct wmi_cmd_map *cmd;
 149         struct wmi_vdev_param_map *vdev_param;
 150         struct wmi_pdev_param_map *pdev_param;
 151         const struct wmi_ops *ops;
 152         const struct wmi_peer_flags_map *peer_flags;
 153
 154         u32 num_mem_chunks;
 155         u32 rx_decap_mode;
 156         struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS];
 157 };
 158
 159 struct ath10k_fw_stats_peer {
 160         struct list_head list;
 161
 162         u8 peer_macaddr[ETH_ALEN];
 163         u32 peer_rssi;
 164         u32 peer_tx_rate;
 165         u32 peer_rx_rate; /* 10x only */
 166         u32 rx_duration;
 167 };
 168
 169 struct ath10k_fw_stats_vdev {
 170         struct list_head list;
 171
 172         u32 vdev_id;
 173         u32 beacon_snr;
 174         u32 data_snr;
 175         u32 num_tx_frames[4];
 176         u32 num_rx_frames;
 177         u32 num_tx_frames_retries[4];
 178         u32 num_tx_frames_failures[4];
 179         u32 num_rts_fail;
 180         u32 num_rts_success;
 181         u32 num_rx_err;
 182         u32 num_rx_discard;
 183         u32 num_tx_not_acked;
 184         u32 tx_rate_history[10];
 185         u32 beacon_rssi_history[10];
 186 };
 187
 188 struct ath10k_fw_stats_pdev {
 189         struct list_head list;
 190
 191         /* PDEV stats */
 192         s32 ch_noise_floor;
 193         u32 tx_frame_count;
 194         u32 rx_frame_count;
 195         u32 rx_clear_count;
 196         u32 cycle_count;
 197         u32 phy_err_count;
 198         u32 chan_tx_power;
 199         u32 ack_rx_bad;
 200         u32 rts_bad;
 201         u32 rts_good;
 202         u32 fcs_bad;
 203         u32 no_beacons;
 204         u32 mib_int_count;
 205
 206         /* PDEV TX stats */
 207         s32 comp_queued;
 208         s32 comp_delivered;
 209         s32 msdu_enqued;
 210         s32 mpdu_enqued;
 211         s32 wmm_drop;
 212         s32 local_enqued;
 213         s32 local_freed;
 214         s32 hw_queued;
 215         s32 hw_reaped;
 216         s32 underrun;
 217         u32 hw_paused;
 218         s32 tx_abort;
 219         s32 mpdus_requed;
 220         u32 tx_ko;
 221         u32 data_rc;
 222         u32 self_triggers;
 223         u32 sw_retry_failure;
 224         u32 illgl_rate_phy_err;
 225         u32 pdev_cont_xretry;
 226         u32 pdev_tx_timeout;
 227         u32 pdev_resets;
 228         u32 phy_underrun;
 229         u32 txop_ovf;
 230         u32 seq_posted;
 231         u32 seq_failed_queueing;
 232         u32 seq_completed;
 233         u32 seq_restarted;
 234         u32 mu_seq_posted;
 235         u32 mpdus_sw_flush;
 236         u32 mpdus_hw_filter;
 237         u32 mpdus_truncated;
 238         u32 mpdus_ack_failed;
 239         u32 mpdus_expired;
 240
 241         /* PDEV RX stats */
 242         s32 mid_ppdu_route_change;
 243         s32 status_rcvd;
 244         s32 r0_frags;
 245         s32 r1_frags;
 246         s32 r2_frags;
 247         s32 r3_frags;
 248         s32 htt_msdus;
 249         s32 htt_mpdus;
 250         s32 loc_msdus;
 251         s32 loc_mpdus;
 252         s32 oversize_amsdu;
 253         s32 phy_errs;
 254         s32 phy_err_drop;
 255         s32 mpdu_errs;
 256         s32 rx_ovfl_errs;
 257 };
 258
 259 struct ath10k_fw_stats {
 260         struct list_head pdevs;
 261         struct list_head vdevs;
 262         struct list_head peers;
 263 };
 264
 265 #define ATH10K_TPC_TABLE_TYPE_FLAG      1
 266 #define ATH10K_TPC_PREAM_TABLE_END      0xFFFF
 267
 268 struct ath10k_tpc_table {
 269         u32 pream_idx[WMI_TPC_RATE_MAX];
 270         u8 rate_code[WMI_TPC_RATE_MAX];
 271         char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE];
 272 };
 273
 274 struct ath10k_tpc_stats {
 275         u32 reg_domain;
 276         u32 chan_freq;
 277         u32 phy_mode;
 278         u32 twice_antenna_reduction;
 279         u32 twice_max_rd_power;
 280         s32 twice_antenna_gain;
 281         u32 power_limit;
 282         u32 num_tx_chain;
 283         u32 ctl;
 284         u32 rate_max;
 285         u8 flag[WMI_TPC_FLAG];
 286         struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG];
 287 };
 288
 289 struct ath10k_dfs_stats {
 290         u32 phy_errors;
 291         u32 pulses_total;
 292         u32 pulses_detected;
 293         u32 pulses_discarded;
 294         u32 radar_detected;
 295 };
 296
 297 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
 298
 299 struct ath10k_peer {
 300         struct list_head list;
 301         struct ieee80211_vif *vif;
 302         struct ieee80211_sta *sta;
 303
 304         int vdev_id;
 305         u8 addr[ETH_ALEN];
 306         DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS);
 307
 308         /* protected by ar->data_lock */
 309         struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
 310 };
 311
 312 struct ath10k_txq {
 313         struct list_head list;
 314         unsigned long num_fw_queued;
 315         unsigned long num_push_allowed;
 316 };
 317
 318 struct ath10k_sta {
 319         struct ath10k_vif *arvif;
 320
 321         /* the following are protected by ar->data_lock */
 322         u32 changed; /* IEEE80211_RC_* */
 323         u32 bw;
 324         u32 nss;
 325         u32 smps;
 326         u16 peer_id;
 327
 328         struct work_struct update_wk;
 329
 330 #ifdef CONFIG_MAC80211_DEBUGFS
 331         /* protected by conf_mutex */
 332         bool aggr_mode;
 333         u64 rx_duration;
 334 #endif
 335 };
 336
 337 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
 338
 339 enum ath10k_beacon_state {
 340         ATH10K_BEACON_SCHEDULED = 0,
 341         ATH10K_BEACON_SENDING,
 342         ATH10K_BEACON_SENT,
 343 };
 344
 345 struct ath10k_vif {
 346         struct list_head list;
 347
 348         u32 vdev_id;
 349         u16 peer_id;
 350         enum wmi_vdev_type vdev_type;
 351         enum wmi_vdev_subtype vdev_subtype;
 352         u32 beacon_interval;
 353         u32 dtim_period;
 354         struct sk_buff *beacon;
 355         /* protected by data_lock */
 356         enum ath10k_beacon_state beacon_state;
 357         void *beacon_buf;
 358         dma_addr_t beacon_paddr;
 359         unsigned long tx_paused; /* arbitrary values defined by target */
 360
 361         struct ath10k *ar;
 362         struct ieee80211_vif *vif;
 363
 364         bool is_started;
 365         bool is_up;
 366         bool spectral_enabled;
 367         bool ps;
 368         u32 aid;
 369         u8 bssid[ETH_ALEN];
 370
 371         struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
 372         s8 def_wep_key_idx;
 373
 374         u16 tx_seq_no;
 375
 376         union {
 377                 struct {
 378                         u32 uapsd;
 379                 } sta;
 380                 struct {
 381                         /* 512 stations */
 382                         u8 tim_bitmap[64];
 383                         u8 tim_len;
 384                         u32 ssid_len;
 385                         u8 ssid[IEEE80211_MAX_SSID_LEN];
 386                         bool hidden_ssid;
 387                         /* P2P_IE with NoA attribute for P2P_GO case */
 388                         u32 noa_len;
 389                         u8 *noa_data;
 390                 } ap;
 391         } u;
 392
 393         bool use_cts_prot;
 394         bool nohwcrypt;
 395         int num_legacy_stations;
 396         int txpower;
 397         struct wmi_wmm_params_all_arg wmm_params;
 398         struct work_struct ap_csa_work;
 399         struct delayed_work connection_loss_work;
 400         struct cfg80211_bitrate_mask bitrate_mask;
 401 };
 402
 403 struct ath10k_vif_iter {
 404         u32 vdev_id;
 405         struct ath10k_vif *arvif;
 406 };
 407
 408 /* used for crash-dump storage, protected by data-lock */
 409 struct ath10k_fw_crash_data {
 410         bool crashed_since_read;
 411
 412         uuid_le uuid;
 413         struct timespec timestamp;
 414         __le32 registers[REG_DUMP_COUNT_QCA988X];
 415 };
 416
 417 struct ath10k_debug {
 418         struct dentry *debugfs_phy;
 419
 420         struct ath10k_fw_stats fw_stats;
 421         struct completion fw_stats_complete;
 422         bool fw_stats_done;
 423
 424         unsigned long htt_stats_mask;
 425         struct delayed_work htt_stats_dwork;
 426         struct ath10k_dfs_stats dfs_stats;
 427         struct ath_dfs_pool_stats dfs_pool_stats;
 428
 429         /* used for tpc-dump storage, protected by data-lock */
 430         struct ath10k_tpc_stats *tpc_stats;
 431
 432         struct completion tpc_complete;
 433
 434         /* protected by conf_mutex */
 435         u32 fw_dbglog_mask;
 436         u32 fw_dbglog_level;
 437         u32 pktlog_filter;
 438         u32 reg_addr;
 439         u32 nf_cal_period;
 440
 441         struct ath10k_fw_crash_data *fw_crash_data;
 442 };
 443
 444 enum ath10k_state {
 445         ATH10K_STATE_OFF = 0,
 446         ATH10K_STATE_ON,
 447
 448         /* When doing firmware recovery the device is first powered down.
 449          * mac80211 is supposed to call in to start() hook later on. It is
 450          * however possible that driver unloading and firmware crash overlap.
 451          * mac80211 can wait on conf_mutex in stop() while the device is
 452          * stopped in ath10k_core_restart() work holding conf_mutex. The state
 453          * RESTARTED means that the device is up and mac80211 has started hw
 454          * reconfiguration. Once mac80211 is done with the reconfiguration we
 455          * set the state to STATE_ON in reconfig_complete(). */
 456         ATH10K_STATE_RESTARTING,
 457         ATH10K_STATE_RESTARTED,
 458
 459         /* The device has crashed while restarting hw. This state is like ON
 460          * but commands are blocked in HTC and -ECOMM response is given. This
 461          * prevents completion timeouts and makes the driver more responsive to
 462          * userspace commands. This is also prevents recursive recovery. */
 463         ATH10K_STATE_WEDGED,
 464
 465         /* factory tests */
 466         ATH10K_STATE_UTF,
 467 };
 468
 469 enum ath10k_firmware_mode {
 470         /* the default mode, standard 802.11 functionality */
 471         ATH10K_FIRMWARE_MODE_NORMAL,
 472
 473         /* factory tests etc */
 474         ATH10K_FIRMWARE_MODE_UTF,
 475 };
 476
 477 enum ath10k_fw_features {
 478         /* wmi_mgmt_rx_hdr contains extra RSSI information */
 479         ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0,
 480
 481         /* Firmware from 10X branch. Deprecated, don't use in new code. */
 482         ATH10K_FW_FEATURE_WMI_10X = 1,
 483
 484         /* firmware support tx frame management over WMI, otherwise it's HTT */
 485         ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2,
 486
 487         /* Firmware does not support P2P */
 488         ATH10K_FW_FEATURE_NO_P2P = 3,
 489
 490         /* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature
 491          * bit is required to be set as well. Deprecated, don't use in new
 492          * code.
 493          */
 494         ATH10K_FW_FEATURE_WMI_10_2 = 4,
 495
 496         /* Some firmware revisions lack proper multi-interface client powersave
 497          * implementation. Enabling PS could result in connection drops,
 498          * traffic stalls, etc.
 499          */
 500         ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5,
 501
 502         /* Some firmware revisions have an incomplete WoWLAN implementation
 503          * despite WMI service bit being advertised. This feature flag is used
 504          * to distinguish whether WoWLAN is really supported or not.
 505          */
 506         ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6,
 507
 508         /* Don't trust error code from otp.bin */
 509         ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7,
 510
 511         /* Some firmware revisions pad 4th hw address to 4 byte boundary making
 512          * it 8 bytes long in Native Wifi Rx decap.
 513          */
 514         ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8,
 515
 516         /* Firmware supports bypassing PLL setting on init. */
 517         ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9,
 518
 519         /* Raw mode support. If supported, FW supports receiving and trasmitting
 520          * frames in raw mode.
 521          */
 522         ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10,
 523
 524         /* Firmware Supports Adaptive CCA*/
 525         ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA = 11,
 526
 527         /* Firmware supports management frame protection */
 528         ATH10K_FW_FEATURE_MFP_SUPPORT = 12,
 529
 530         /* Firmware supports pull-push model where host shares it's software
 531          * queue state with firmware and firmware generates fetch requests
 532          * telling host which queues to dequeue tx from.
 533          *
 534          * Primary function of this is improved MU-MIMO performance with
 535          * multiple clients.
 536          */
 537         ATH10K_FW_FEATURE_PEER_FLOW_CONTROL = 13,
 538
 539         /* keep last */
 540         ATH10K_FW_FEATURE_COUNT,
 541 };
 542
 543 enum ath10k_dev_flags {
 544         /* Indicates that ath10k device is during CAC phase of DFS */
 545         ATH10K_CAC_RUNNING,
 546         ATH10K_FLAG_CORE_REGISTERED,
 547
 548         /* Device has crashed and needs to restart. This indicates any pending
 549          * waiters should immediately cancel instead of waiting for a time out.
 550          */
 551         ATH10K_FLAG_CRASH_FLUSH,
 552
 553         /* Use Raw mode instead of native WiFi Tx/Rx encap mode.
 554          * Raw mode supports both hardware and software crypto. Native WiFi only
 555          * supports hardware crypto.
 556          */
 557         ATH10K_FLAG_RAW_MODE,
 558
 559         /* Disable HW crypto engine */
 560         ATH10K_FLAG_HW_CRYPTO_DISABLED,
 561
 562         /* Bluetooth coexistance enabled */
 563         ATH10K_FLAG_BTCOEX,
 564
 565         /* Per Station statistics service */
 566         ATH10K_FLAG_PEER_STATS,
 567 };
 568
 569 enum ath10k_cal_mode {
 570         ATH10K_CAL_MODE_FILE,
 571         ATH10K_CAL_MODE_OTP,
 572         ATH10K_CAL_MODE_DT,
 573         ATH10K_PRE_CAL_MODE_FILE,
 574         ATH10K_PRE_CAL_MODE_DT,
 575 };
 576
 577 enum ath10k_crypt_mode {
 578         /* Only use hardware crypto engine */
 579         ATH10K_CRYPT_MODE_HW,
 580         /* Only use software crypto engine */
 581         ATH10K_CRYPT_MODE_SW,
 582 };
 583
 584 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode)
 585 {
 586         switch (mode) {
 587         case ATH10K_CAL_MODE_FILE:
 588                 return "file";
 589         case ATH10K_CAL_MODE_OTP:
 590                 return "otp";
 591         case ATH10K_CAL_MODE_DT:
 592                 return "dt";
 593         case ATH10K_PRE_CAL_MODE_FILE:
 594                 return "pre-cal-file";
 595         case ATH10K_PRE_CAL_MODE_DT:
 596                 return "pre-cal-dt";
 597         }
 598
 599         return "unknown";
 600 }
 601
 602 enum ath10k_scan_state {
 603         ATH10K_SCAN_IDLE,
 604         ATH10K_SCAN_STARTING,
 605         ATH10K_SCAN_RUNNING,
 606         ATH10K_SCAN_ABORTING,
 607 };
 608
 609 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state)
 610 {
 611         switch (state) {
 612         case ATH10K_SCAN_IDLE:
 613                 return "idle";
 614         case ATH10K_SCAN_STARTING:
 615                 return "starting";
 616         case ATH10K_SCAN_RUNNING:
 617                 return "running";
 618         case ATH10K_SCAN_ABORTING:
 619                 return "aborting";
 620         }
 621
 622         return "unknown";
 623 }
 624
 625 enum ath10k_tx_pause_reason {
 626         ATH10K_TX_PAUSE_Q_FULL,
 627         ATH10K_TX_PAUSE_MAX,
 628 };
 629
 630 struct ath10k {
 631         struct ath_common ath_common;
 632         struct ieee80211_hw *hw;
 633         struct device *dev;
 634         u8 mac_addr[ETH_ALEN];
 635
 636         enum ath10k_hw_rev hw_rev;
 637         u16 dev_id;
 638         u32 chip_id;
 639         u32 target_version;
 640         u8 fw_version_major;
 641         u32 fw_version_minor;
 642         u16 fw_version_release;
 643         u16 fw_version_build;
 644         u32 fw_stats_req_mask;
 645         u32 phy_capability;
 646         u32 hw_min_tx_power;
 647         u32 hw_max_tx_power;
 648         u32 ht_cap_info;
 649         u32 vht_cap_info;
 650         u32 num_rf_chains;
 651         u32 max_spatial_stream;
 652         /* protected by conf_mutex */
 653         bool ani_enabled;
 654
 655         DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
 656
 657         bool p2p;
 658
 659         struct {
 660                 enum ath10k_bus bus;
 661                 const struct ath10k_hif_ops *ops;
 662         } hif;
 663
 664         struct completion target_suspend;
 665
 666         const struct ath10k_hw_regs *regs;
 667         const struct ath10k_hw_values *hw_values;
 668         struct ath10k_bmi bmi;
 669         struct ath10k_wmi wmi;
 670         struct ath10k_htc htc;
 671         struct ath10k_htt htt;
 672
 673         struct ath10k_hw_params {
 674                 u32 id;
 675                 u16 dev_id;
 676                 const char *name;
 677                 u32 patch_load_addr;
 678                 int uart_pin;
 679                 u32 otp_exe_param;
 680
 681                 /* This is true if given HW chip has a quirky Cycle Counter
 682                  * wraparound which resets to 0x7fffffff instead of 0. All
 683                  * other CC related counters (e.g. Rx Clear Count) are divided
 684                  * by 2 so they never wraparound themselves.
 685                  */
 686                 bool has_shifted_cc_wraparound;
 687
 688                 /* Some of chip expects fragment descriptor to be continuous
 689                  * memory for any TX operation. Set continuous_frag_desc flag
 690                  * for the hardware which have such requirement.
 691                  */
 692                 bool continuous_frag_desc;
 693
 694                 u32 channel_counters_freq_hz;
 695
 696                 /* Mgmt tx descriptors threshold for limiting probe response
 697                  * frames.
 698                  */
 699                 u32 max_probe_resp_desc_thres;
 700
 701                 /* The padding bytes's location is different on various chips */
 702                 enum ath10k_hw_4addr_pad hw_4addr_pad;
 703
 704                 u32 tx_chain_mask;
 705                 u32 rx_chain_mask;
 706                 u32 max_spatial_stream;
 707                 u32 cal_data_len;
 708
 709                 struct ath10k_hw_params_fw {
 710                         const char *dir;
 711                         const char *fw;
 712                         const char *otp;
 713                         const char *board;
 714                         size_t board_size;
 715                         size_t board_ext_size;
 716                 } fw;
 717         } hw_params;
 718
 719         const struct firmware *board;
 720         const void *board_data;
 721         size_t board_len;
 722
 723         const struct firmware *otp;
 724         const void *otp_data;
 725         size_t otp_len;
 726
 727         const struct firmware *firmware;
 728         const void *firmware_data;
 729         size_t firmware_len;
 730
 731         const struct firmware *pre_cal_file;
 732         const struct firmware *cal_file;
 733
 734         struct {
 735                 const void *firmware_codeswap_data;
 736                 size_t firmware_codeswap_len;
 737                 struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info;
 738         } swap;
 739
 740         struct {
 741                 u32 vendor;
 742                 u32 device;
 743                 u32 subsystem_vendor;
 744                 u32 subsystem_device;
 745
 746                 bool bmi_ids_valid;
 747                 u8 bmi_board_id;
 748                 u8 bmi_chip_id;
 749         } id;
 750
 751         int fw_api;
 752         int bd_api;
 753         enum ath10k_cal_mode cal_mode;
 754
 755         struct {
 756                 struct completion started;
 757                 struct completion completed;
 758                 struct completion on_channel;
 759                 struct delayed_work timeout;
 760                 enum ath10k_scan_state state;
 761                 bool is_roc;
 762                 int vdev_id;
 763                 int roc_freq;
 764                 bool roc_notify;
 765         } scan;
 766
 767         struct {
 768                 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
 769         } mac;
 770
 771         /* should never be NULL; needed for regular htt rx */
 772         struct ieee80211_channel *rx_channel;
 773
 774         /* valid during scan; needed for mgmt rx during scan */
 775         struct ieee80211_channel *scan_channel;
 776
 777         /* current operating channel definition */
 778         struct cfg80211_chan_def chandef;
 779
 780         /* currently configured operating channel in firmware */
 781         struct ieee80211_channel *tgt_oper_chan;
 782
 783         unsigned long long free_vdev_map;
 784         struct ath10k_vif *monitor_arvif;
 785         bool monitor;
 786         int monitor_vdev_id;
 787         bool monitor_started;
 788         unsigned int filter_flags;
 789         unsigned long dev_flags;
 790         bool dfs_block_radar_events;
 791
 792         /* protected by conf_mutex */
 793         bool radar_enabled;
 794         int num_started_vdevs;
 795
 796         /* Protected by conf-mutex */
 797         u8 cfg_tx_chainmask;
 798         u8 cfg_rx_chainmask;
 799
 800         struct completion install_key_done;
 801
 802         struct completion vdev_setup_done;
 803
 804         struct workqueue_struct *workqueue;
 805         /* Auxiliary workqueue */
 806         struct workqueue_struct *workqueue_aux;
 807
 808         /* prevents concurrent FW reconfiguration */
 809         struct mutex conf_mutex;
 810
 811         /* protects shared structure data */
 812         spinlock_t data_lock;
 813         /* protects: ar->txqs, artxq->list */
 814         spinlock_t txqs_lock;
 815
 816         struct list_head txqs;
 817         struct list_head arvifs;
 818         struct list_head peers;
 819         struct ath10k_peer *peer_map[ATH10K_MAX_NUM_PEER_IDS];
 820         wait_queue_head_t peer_mapping_wq;
 821
 822         /* protected by conf_mutex */
 823         int num_peers;
 824         int num_stations;
 825
 826         int max_num_peers;
 827         int max_num_stations;
 828         int max_num_vdevs;
 829         int max_num_tdls_vdevs;
 830         int num_active_peers;
 831         int num_tids;
 832
 833         struct work_struct svc_rdy_work;
 834         struct sk_buff *svc_rdy_skb;
 835
 836         struct work_struct offchan_tx_work;
 837         struct sk_buff_head offchan_tx_queue;
 838         struct completion offchan_tx_completed;
 839         struct sk_buff *offchan_tx_skb;
 840
 841         struct work_struct wmi_mgmt_tx_work;
 842         struct sk_buff_head wmi_mgmt_tx_queue;
 843
 844         enum ath10k_state state;
 845
 846         struct work_struct register_work;
 847         struct work_struct restart_work;
 848
 849         /* cycle count is reported twice for each visited channel during scan.
 850          * access protected by data_lock */
 851         u32 survey_last_rx_clear_count;
 852         u32 survey_last_cycle_count;
 853         struct survey_info survey[ATH10K_NUM_CHANS];
 854
 855         /* Channel info events are expected to come in pairs without and with
 856          * COMPLETE flag set respectively for each channel visit during scan.
 857          *
 858          * However there are deviations from this rule. This flag is used to
 859          * avoid reporting garbage data.
 860          */
 861         bool ch_info_can_report_survey;
 862
 863         struct dfs_pattern_detector *dfs_detector;
 864
 865         unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */
 866
 867 #ifdef CONFIG_ATH10K_DEBUGFS
 868         struct ath10k_debug debug;
 869 #endif
 870
 871         struct {
 872                 /* relay(fs) channel for spectral scan */
 873                 struct rchan *rfs_chan_spec_scan;
 874
 875                 /* spectral_mode and spec_config are protected by conf_mutex */
 876                 enum ath10k_spectral_mode mode;
 877                 struct ath10k_spec_scan config;
 878         } spectral;
 879
 880         struct {
 881                 /* protected by conf_mutex */
 882                 const struct firmware *utf;
 883                 char utf_version[32];
 884                 const void *utf_firmware_data;
 885                 size_t utf_firmware_len;
 886                 DECLARE_BITMAP(orig_fw_features, ATH10K_FW_FEATURE_COUNT);
 887                 enum ath10k_fw_wmi_op_version orig_wmi_op_version;
 888                 enum ath10k_fw_wmi_op_version op_version;
 889                 /* protected by data_lock */
 890                 bool utf_monitor;
 891         } testmode;
 892
 893         struct {
 894                 /* protected by data_lock */
 895                 u32 fw_crash_counter;
 896                 u32 fw_warm_reset_counter;
 897                 u32 fw_cold_reset_counter;
 898         } stats;
 899
 900         struct ath10k_thermal thermal;
 901         struct ath10k_wow wow;
 902
 903         /* must be last */
 904         u8 drv_priv[0] __aligned(sizeof(void *));
 905 };
 906
 907 static inline bool ath10k_peer_stats_enabled(struct ath10k *ar)
 908 {
 909         if (test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) &&
 910             test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map))
 911                 return true;
 912
 913         return false;
 914 }
 915
 916 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 917                                   enum ath10k_bus bus,
 918                                   enum ath10k_hw_rev hw_rev,
 919                                   const struct ath10k_hif_ops *hif_ops);
 920 void ath10k_core_destroy(struct ath10k *ar);
 921 void ath10k_core_get_fw_features_str(struct ath10k *ar,
 922                                      char *buf,
 923                                      size_t max_len);
 924
 925 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode);
 926 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt);
 927 void ath10k_core_stop(struct ath10k *ar);
 928 int ath10k_core_register(struct ath10k *ar, u32 chip_id);
 929 void ath10k_core_unregister(struct ath10k *ar);
 930
 931 #endif /* _CORE_H_ */