drivers/net/wireless/ath/wcn36xx/main.c

   1 /*
   2  * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  18
  19 #include <linux/module.h>
  20 #include <linux/firmware.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/of_address.h>
  23 #include <linux/of_device.h>
  24 #include "wcn36xx.h"
  25
  26 unsigned int wcn36xx_dbg_mask;
  27 module_param_named(debug_mask, wcn36xx_dbg_mask, uint, 0644);
  28 MODULE_PARM_DESC(debug_mask, "Debugging mask");
  29
  30 #define CHAN2G(_freq, _idx) { \
  31         .band = NL80211_BAND_2GHZ, \
  32         .center_freq = (_freq), \
  33         .hw_value = (_idx), \
  34         .max_power = 25, \
  35 }
  36
  37 #define CHAN5G(_freq, _idx) { \
  38         .band = NL80211_BAND_5GHZ, \
  39         .center_freq = (_freq), \
  40         .hw_value = (_idx), \
  41         .max_power = 25, \
  42 }
  43
  44 /* The wcn firmware expects channel values to matching
  45  * their mnemonic values. So use these for .hw_value. */
  46 static struct ieee80211_channel wcn_2ghz_channels[] = {
  47         CHAN2G(2412, 1), /* Channel 1 */
  48         CHAN2G(2417, 2), /* Channel 2 */
  49         CHAN2G(2422, 3), /* Channel 3 */
  50         CHAN2G(2427, 4), /* Channel 4 */
  51         CHAN2G(2432, 5), /* Channel 5 */
  52         CHAN2G(2437, 6), /* Channel 6 */
  53         CHAN2G(2442, 7), /* Channel 7 */
  54         CHAN2G(2447, 8), /* Channel 8 */
  55         CHAN2G(2452, 9), /* Channel 9 */
  56         CHAN2G(2457, 10), /* Channel 10 */
  57         CHAN2G(2462, 11), /* Channel 11 */
  58         CHAN2G(2467, 12), /* Channel 12 */
  59         CHAN2G(2472, 13), /* Channel 13 */
  60         CHAN2G(2484, 14)  /* Channel 14 */
  61
  62 };
  63
  64 static struct ieee80211_channel wcn_5ghz_channels[] = {
  65         CHAN5G(5180, 36),
  66         CHAN5G(5200, 40),
  67         CHAN5G(5220, 44),
  68         CHAN5G(5240, 48),
  69         CHAN5G(5260, 52),
  70         CHAN5G(5280, 56),
  71         CHAN5G(5300, 60),
  72         CHAN5G(5320, 64),
  73         CHAN5G(5500, 100),
  74         CHAN5G(5520, 104),
  75         CHAN5G(5540, 108),
  76         CHAN5G(5560, 112),
  77         CHAN5G(5580, 116),
  78         CHAN5G(5600, 120),
  79         CHAN5G(5620, 124),
  80         CHAN5G(5640, 128),
  81         CHAN5G(5660, 132),
  82         CHAN5G(5700, 140),
  83         CHAN5G(5745, 149),
  84         CHAN5G(5765, 153),
  85         CHAN5G(5785, 157),
  86         CHAN5G(5805, 161),
  87         CHAN5G(5825, 165)
  88 };
  89
  90 #define RATE(_bitrate, _hw_rate, _flags) { \
  91         .bitrate        = (_bitrate),                   \
  92         .flags          = (_flags),                     \
  93         .hw_value       = (_hw_rate),                   \
  94         .hw_value_short = (_hw_rate)  \
  95 }
  96
  97 static struct ieee80211_rate wcn_2ghz_rates[] = {
  98         RATE(10, HW_RATE_INDEX_1MBPS, 0),
  99         RATE(20, HW_RATE_INDEX_2MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
 100         RATE(55, HW_RATE_INDEX_5_5MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
 101         RATE(110, HW_RATE_INDEX_11MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
 102         RATE(60, HW_RATE_INDEX_6MBPS, 0),
 103         RATE(90, HW_RATE_INDEX_9MBPS, 0),
 104         RATE(120, HW_RATE_INDEX_12MBPS, 0),
 105         RATE(180, HW_RATE_INDEX_18MBPS, 0),
 106         RATE(240, HW_RATE_INDEX_24MBPS, 0),
 107         RATE(360, HW_RATE_INDEX_36MBPS, 0),
 108         RATE(480, HW_RATE_INDEX_48MBPS, 0),
 109         RATE(540, HW_RATE_INDEX_54MBPS, 0)
 110 };
 111
 112 static struct ieee80211_rate wcn_5ghz_rates[] = {
 113         RATE(60, HW_RATE_INDEX_6MBPS, 0),
 114         RATE(90, HW_RATE_INDEX_9MBPS, 0),
 115         RATE(120, HW_RATE_INDEX_12MBPS, 0),
 116         RATE(180, HW_RATE_INDEX_18MBPS, 0),
 117         RATE(240, HW_RATE_INDEX_24MBPS, 0),
 118         RATE(360, HW_RATE_INDEX_36MBPS, 0),
 119         RATE(480, HW_RATE_INDEX_48MBPS, 0),
 120         RATE(540, HW_RATE_INDEX_54MBPS, 0)
 121 };
 122
 123 static struct ieee80211_supported_band wcn_band_2ghz = {
 124         .channels       = wcn_2ghz_channels,
 125         .n_channels     = ARRAY_SIZE(wcn_2ghz_channels),
 126         .bitrates       = wcn_2ghz_rates,
 127         .n_bitrates     = ARRAY_SIZE(wcn_2ghz_rates),
 128         .ht_cap         = {
 129                 .cap =  IEEE80211_HT_CAP_GRN_FLD |
 130                         IEEE80211_HT_CAP_SGI_20 |
 131                         IEEE80211_HT_CAP_DSSSCCK40 |
 132                         IEEE80211_HT_CAP_LSIG_TXOP_PROT |
 133                         IEEE80211_HT_CAP_SGI_40 |
 134                         IEEE80211_HT_CAP_SUP_WIDTH_20_40,
 135                 .ht_supported = true,
 136                 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
 137                 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
 138                 .mcs = {
 139                         .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
 140                         .rx_highest = cpu_to_le16(72),
 141                         .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
 142                 }
 143         }
 144 };
 145
 146 static struct ieee80211_supported_band wcn_band_5ghz = {
 147         .channels       = wcn_5ghz_channels,
 148         .n_channels     = ARRAY_SIZE(wcn_5ghz_channels),
 149         .bitrates       = wcn_5ghz_rates,
 150         .n_bitrates     = ARRAY_SIZE(wcn_5ghz_rates),
 151         .ht_cap         = {
 152                 .cap =  IEEE80211_HT_CAP_GRN_FLD |
 153                         IEEE80211_HT_CAP_SGI_20 |
 154                         IEEE80211_HT_CAP_DSSSCCK40 |
 155                         IEEE80211_HT_CAP_LSIG_TXOP_PROT |
 156                         IEEE80211_HT_CAP_SGI_40 |
 157                         IEEE80211_HT_CAP_SUP_WIDTH_20_40,
 158                 .ht_supported = true,
 159                 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
 160                 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
 161                 .mcs = {
 162                         .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
 163                         .rx_highest = cpu_to_le16(150),
 164                         .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
 165                 }
 166         }
 167 };
 168
 169 #ifdef CONFIG_PM
 170
 171 static const struct wiphy_wowlan_support wowlan_support = {
 172         .flags = WIPHY_WOWLAN_ANY
 173 };
 174
 175 #endif
 176
 177 static inline u8 get_sta_index(struct ieee80211_vif *vif,
 178                                struct wcn36xx_sta *sta_priv)
 179 {
 180         return NL80211_IFTYPE_STATION == vif->type ?
 181                sta_priv->bss_sta_index :
 182                sta_priv->sta_index;
 183 }
 184
 185 static const char * const wcn36xx_caps_names[] = {
 186         "MCC",                          /* 0 */
 187         "P2P",                          /* 1 */
 188         "DOT11AC",                      /* 2 */
 189         "SLM_SESSIONIZATION",           /* 3 */
 190         "DOT11AC_OPMODE",               /* 4 */
 191         "SAP32STA",                     /* 5 */
 192         "TDLS",                         /* 6 */
 193         "P2P_GO_NOA_DECOUPLE_INIT_SCAN",/* 7 */
 194         "WLANACTIVE_OFFLOAD",           /* 8 */
 195         "BEACON_OFFLOAD",               /* 9 */
 196         "SCAN_OFFLOAD",                 /* 10 */
 197         "ROAM_OFFLOAD",                 /* 11 */
 198         "BCN_MISS_OFFLOAD",             /* 12 */
 199         "STA_POWERSAVE",                /* 13 */
 200         "STA_ADVANCED_PWRSAVE",         /* 14 */
 201         "AP_UAPSD",                     /* 15 */
 202         "AP_DFS",                       /* 16 */
 203         "BLOCKACK",                     /* 17 */
 204         "PHY_ERR",                      /* 18 */
 205         "BCN_FILTER",                   /* 19 */
 206         "RTT",                          /* 20 */
 207         "RATECTRL",                     /* 21 */
 208         "WOW",                          /* 22 */
 209         "WLAN_ROAM_SCAN_OFFLOAD",       /* 23 */
 210         "SPECULATIVE_PS_POLL",          /* 24 */
 211         "SCAN_SCH",                     /* 25 */
 212         "IBSS_HEARTBEAT_OFFLOAD",       /* 26 */
 213         "WLAN_SCAN_OFFLOAD",            /* 27 */
 214         "WLAN_PERIODIC_TX_PTRN",        /* 28 */
 215         "ADVANCE_TDLS",                 /* 29 */
 216         "BATCH_SCAN",                   /* 30 */
 217         "FW_IN_TX_PATH",                /* 31 */
 218         "EXTENDED_NSOFFLOAD_SLOT",      /* 32 */
 219         "CH_SWITCH_V1",                 /* 33 */
 220         "HT40_OBSS_SCAN",               /* 34 */
 221         "UPDATE_CHANNEL_LIST",          /* 35 */
 222         "WLAN_MCADDR_FLT",              /* 36 */
 223         "WLAN_CH144",                   /* 37 */
 224         "NAN",                          /* 38 */
 225         "TDLS_SCAN_COEXISTENCE",        /* 39 */
 226         "LINK_LAYER_STATS_MEAS",        /* 40 */
 227         "MU_MIMO",                      /* 41 */
 228         "EXTENDED_SCAN",                /* 42 */
 229         "DYNAMIC_WMM_PS",               /* 43 */
 230         "MAC_SPOOFED_SCAN",             /* 44 */
 231         "BMU_ERROR_GENERIC_RECOVERY",   /* 45 */
 232         "DISA",                         /* 46 */
 233         "FW_STATS",                     /* 47 */
 234         "WPS_PRBRSP_TMPL",              /* 48 */
 235         "BCN_IE_FLT_DELTA",             /* 49 */
 236         "TDLS_OFF_CHANNEL",             /* 51 */
 237         "RTT3",                         /* 52 */
 238         "MGMT_FRAME_LOGGING",           /* 53 */
 239         "ENHANCED_TXBD_COMPLETION",     /* 54 */
 240         "LOGGING_ENHANCEMENT",          /* 55 */
 241         "EXT_SCAN_ENHANCED",            /* 56 */
 242         "MEMORY_DUMP_SUPPORTED",        /* 57 */
 243         "PER_PKT_STATS_SUPPORTED",      /* 58 */
 244         "EXT_LL_STAT",                  /* 60 */
 245         "WIFI_CONFIG",                  /* 61 */
 246         "ANTENNA_DIVERSITY_SELECTION",  /* 62 */
 247 };
 248
 249 static const char *wcn36xx_get_cap_name(enum place_holder_in_cap_bitmap x)
 250 {
 251         if (x >= ARRAY_SIZE(wcn36xx_caps_names))
 252                 return "UNKNOWN";
 253         return wcn36xx_caps_names[x];
 254 }
 255
 256 static void wcn36xx_feat_caps_info(struct wcn36xx *wcn)
 257 {
 258         int i;
 259
 260         for (i = 0; i < MAX_FEATURE_SUPPORTED; i++) {
 261                 if (get_feat_caps(wcn->fw_feat_caps, i))
 262                         wcn36xx_info("FW Cap %s\n", wcn36xx_get_cap_name(i));
 263         }
 264 }
 265
 266 static int wcn36xx_start(struct ieee80211_hw *hw)
 267 {
 268         struct wcn36xx *wcn = hw->priv;
 269         int ret;
 270
 271         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac start\n");
 272
 273         /* SMD initialization */
 274         ret = wcn36xx_smd_open(wcn);
 275         if (ret) {
 276                 wcn36xx_err("Failed to open smd channel: %d\n", ret);
 277                 goto out_err;
 278         }
 279
 280         /* Allocate memory pools for Mgmt BD headers and Data BD headers */
 281         ret = wcn36xx_dxe_allocate_mem_pools(wcn);
 282         if (ret) {
 283                 wcn36xx_err("Failed to alloc DXE mempool: %d\n", ret);
 284                 goto out_smd_close;
 285         }
 286
 287         ret = wcn36xx_dxe_alloc_ctl_blks(wcn);
 288         if (ret) {
 289                 wcn36xx_err("Failed to alloc DXE ctl blocks: %d\n", ret);
 290                 goto out_free_dxe_pool;
 291         }
 292
 293         wcn->hal_buf = kmalloc(WCN36XX_HAL_BUF_SIZE, GFP_KERNEL);
 294         if (!wcn->hal_buf) {
 295                 wcn36xx_err("Failed to allocate smd buf\n");
 296                 ret = -ENOMEM;
 297                 goto out_free_dxe_ctl;
 298         }
 299
 300         ret = wcn36xx_smd_load_nv(wcn);
 301         if (ret) {
 302                 wcn36xx_err("Failed to push NV to chip\n");
 303                 goto out_free_smd_buf;
 304         }
 305
 306         ret = wcn36xx_smd_start(wcn);
 307         if (ret) {
 308                 wcn36xx_err("Failed to start chip\n");
 309                 goto out_free_smd_buf;
 310         }
 311
 312         if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
 313                 ret = wcn36xx_smd_feature_caps_exchange(wcn);
 314                 if (ret)
 315                         wcn36xx_warn("Exchange feature caps failed\n");
 316                 else
 317                         wcn36xx_feat_caps_info(wcn);
 318         }
 319
 320         /* DMA channel initialization */
 321         ret = wcn36xx_dxe_init(wcn);
 322         if (ret) {
 323                 wcn36xx_err("DXE init failed\n");
 324                 goto out_smd_stop;
 325         }
 326
 327         wcn36xx_debugfs_init(wcn);
 328
 329         INIT_LIST_HEAD(&wcn->vif_list);
 330         spin_lock_init(&wcn->dxe_lock);
 331
 332         return 0;
 333
 334 out_smd_stop:
 335         wcn36xx_smd_stop(wcn);
 336 out_free_smd_buf:
 337         kfree(wcn->hal_buf);
 338 out_free_dxe_pool:
 339         wcn36xx_dxe_free_mem_pools(wcn);
 340 out_free_dxe_ctl:
 341         wcn36xx_dxe_free_ctl_blks(wcn);
 342 out_smd_close:
 343         wcn36xx_smd_close(wcn);
 344 out_err:
 345         return ret;
 346 }
 347
 348 static void wcn36xx_stop(struct ieee80211_hw *hw)
 349 {
 350         struct wcn36xx *wcn = hw->priv;
 351
 352         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac stop\n");
 353
 354         wcn36xx_debugfs_exit(wcn);
 355         wcn36xx_smd_stop(wcn);
 356         wcn36xx_dxe_deinit(wcn);
 357         wcn36xx_smd_close(wcn);
 358
 359         wcn36xx_dxe_free_mem_pools(wcn);
 360         wcn36xx_dxe_free_ctl_blks(wcn);
 361
 362         kfree(wcn->hal_buf);
 363 }
 364
 365 static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed)
 366 {
 367         struct wcn36xx *wcn = hw->priv;
 368         struct ieee80211_vif *vif = NULL;
 369         struct wcn36xx_vif *tmp;
 370
 371         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed);
 372
 373         if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
 374                 int ch = WCN36XX_HW_CHANNEL(wcn);
 375                 wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n",
 376                             ch);
 377                 list_for_each_entry(tmp, &wcn->vif_list, list) {
 378                         vif = wcn36xx_priv_to_vif(tmp);
 379                         wcn36xx_smd_switch_channel(wcn, vif, ch);
 380                 }
 381         }
 382
 383         return 0;
 384 }
 385
 386 static void wcn36xx_configure_filter(struct ieee80211_hw *hw,
 387                                      unsigned int changed,
 388                                      unsigned int *total, u64 multicast)
 389 {
 390         struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp;
 391         struct wcn36xx *wcn = hw->priv;
 392         struct wcn36xx_vif *tmp;
 393         struct ieee80211_vif *vif = NULL;
 394
 395         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n");
 396
 397         *total &= FIF_ALLMULTI;
 398
 399         fp = (void *)(unsigned long)multicast;
 400         list_for_each_entry(tmp, &wcn->vif_list, list) {
 401                 vif = wcn36xx_priv_to_vif(tmp);
 402
 403                 /* FW handles MC filtering only when connected as STA */
 404                 if (*total & FIF_ALLMULTI)
 405                         wcn36xx_smd_set_mc_list(wcn, vif, NULL);
 406                 else if (NL80211_IFTYPE_STATION == vif->type && tmp->sta_assoc)
 407                         wcn36xx_smd_set_mc_list(wcn, vif, fp);
 408         }
 409         kfree(fp);
 410 }
 411
 412 static u64 wcn36xx_prepare_multicast(struct ieee80211_hw *hw,
 413                                      struct netdev_hw_addr_list *mc_list)
 414 {
 415         struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp;
 416         struct netdev_hw_addr *ha;
 417
 418         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac prepare multicast list\n");
 419         fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
 420         if (!fp) {
 421                 wcn36xx_err("Out of memory setting filters.\n");
 422                 return 0;
 423         }
 424
 425         fp->mc_addr_count = 0;
 426         /* update multicast filtering parameters */
 427         if (netdev_hw_addr_list_count(mc_list) <=
 428             WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS) {
 429                 netdev_hw_addr_list_for_each(ha, mc_list) {
 430                         memcpy(fp->mc_addr[fp->mc_addr_count],
 431                                         ha->addr, ETH_ALEN);
 432                         fp->mc_addr_count++;
 433                 }
 434         }
 435
 436         return (u64)(unsigned long)fp;
 437 }
 438
 439 static void wcn36xx_tx(struct ieee80211_hw *hw,
 440                        struct ieee80211_tx_control *control,
 441                        struct sk_buff *skb)
 442 {
 443         struct wcn36xx *wcn = hw->priv;
 444         struct wcn36xx_sta *sta_priv = NULL;
 445
 446         if (control->sta)
 447                 sta_priv = wcn36xx_sta_to_priv(control->sta);
 448
 449         if (wcn36xx_start_tx(wcn, sta_priv, skb))
 450                 ieee80211_free_txskb(wcn->hw, skb);
 451 }
 452
 453 static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 454                            struct ieee80211_vif *vif,
 455                            struct ieee80211_sta *sta,
 456                            struct ieee80211_key_conf *key_conf)
 457 {
 458         struct wcn36xx *wcn = hw->priv;
 459         struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
 460         struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
 461         int ret = 0;
 462         u8 key[WLAN_MAX_KEY_LEN];
 463
 464         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 set key\n");
 465         wcn36xx_dbg(WCN36XX_DBG_MAC, "Key: cmd=0x%x algo:0x%x, id:%d, len:%d flags 0x%x\n",
 466                     cmd, key_conf->cipher, key_conf->keyidx,
 467                     key_conf->keylen, key_conf->flags);
 468         wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "KEY: ",
 469                          key_conf->key,
 470                          key_conf->keylen);
 471
 472         switch (key_conf->cipher) {
 473         case WLAN_CIPHER_SUITE_WEP40:
 474                 vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40;
 475                 break;
 476         case WLAN_CIPHER_SUITE_WEP104:
 477                 vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40;
 478                 break;
 479         case WLAN_CIPHER_SUITE_CCMP:
 480                 vif_priv->encrypt_type = WCN36XX_HAL_ED_CCMP;
 481                 break;
 482         case WLAN_CIPHER_SUITE_TKIP:
 483                 vif_priv->encrypt_type = WCN36XX_HAL_ED_TKIP;
 484                 break;
 485         default:
 486                 wcn36xx_err("Unsupported key type 0x%x\n",
 487                               key_conf->cipher);
 488                 ret = -EOPNOTSUPP;
 489                 goto out;
 490         }
 491
 492         switch (cmd) {
 493         case SET_KEY:
 494                 if (WCN36XX_HAL_ED_TKIP == vif_priv->encrypt_type) {
 495                         /*
 496                          * Supplicant is sending key in the wrong order:
 497                          * Temporal Key (16 b) - TX MIC (8 b) - RX MIC (8 b)
 498                          * but HW expects it to be in the order as described in
 499                          * IEEE 802.11 spec (see chapter 11.7) like this:
 500                          * Temporal Key (16 b) - RX MIC (8 b) - TX MIC (8 b)
 501                          */
 502                         memcpy(key, key_conf->key, 16);
 503                         memcpy(key + 16, key_conf->key + 24, 8);
 504                         memcpy(key + 24, key_conf->key + 16, 8);
 505                 } else {
 506                         memcpy(key, key_conf->key, key_conf->keylen);
 507                 }
 508
 509                 if (IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags) {
 510                         sta_priv->is_data_encrypted = true;
 511                         /* Reconfigure bss with encrypt_type */
 512                         if (NL80211_IFTYPE_STATION == vif->type)
 513                                 wcn36xx_smd_config_bss(wcn,
 514                                                        vif,
 515                                                        sta,
 516                                                        sta->addr,
 517                                                        true);
 518
 519                         wcn36xx_smd_set_stakey(wcn,
 520                                 vif_priv->encrypt_type,
 521                                 key_conf->keyidx,
 522                                 key_conf->keylen,
 523                                 key,
 524                                 get_sta_index(vif, sta_priv));
 525                 } else {
 526                         wcn36xx_smd_set_bsskey(wcn,
 527                                 vif_priv->encrypt_type,
 528                                 key_conf->keyidx,
 529                                 key_conf->keylen,
 530                                 key);
 531                         if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) ||
 532                             (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) {
 533                                 sta_priv->is_data_encrypted = true;
 534                                 wcn36xx_smd_set_stakey(wcn,
 535                                         vif_priv->encrypt_type,
 536                                         key_conf->keyidx,
 537                                         key_conf->keylen,
 538                                         key,
 539                                         get_sta_index(vif, sta_priv));
 540                         }
 541                 }
 542                 break;
 543         case DISABLE_KEY:
 544                 if (!(IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags)) {
 545                         vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE;
 546                         wcn36xx_smd_remove_bsskey(wcn,
 547                                 vif_priv->encrypt_type,
 548                                 key_conf->keyidx);
 549                 } else {
 550                         sta_priv->is_data_encrypted = false;
 551                         /* do not remove key if disassociated */
 552                         if (sta_priv->aid)
 553                                 wcn36xx_smd_remove_stakey(wcn,
 554                                         vif_priv->encrypt_type,
 555                                         key_conf->keyidx,
 556                                         get_sta_index(vif, sta_priv));
 557                 }
 558                 break;
 559         default:
 560                 wcn36xx_err("Unsupported key cmd 0x%x\n", cmd);
 561                 ret = -EOPNOTSUPP;
 562                 goto out;
 563         }
 564
 565 out:
 566         return ret;
 567 }
 568
 569 static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw,
 570                                   struct ieee80211_vif *vif,
 571                                   const u8 *mac_addr)
 572 {
 573         struct wcn36xx *wcn = hw->priv;
 574
 575         wcn36xx_smd_init_scan(wcn, HAL_SYS_MODE_SCAN);
 576         wcn36xx_smd_start_scan(wcn);
 577 }
 578
 579 static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw,
 580                                      struct ieee80211_vif *vif)
 581 {
 582         struct wcn36xx *wcn = hw->priv;
 583
 584         wcn36xx_smd_end_scan(wcn);
 585         wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN);
 586 }
 587
 588 static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta,
 589                                          enum nl80211_band band)
 590 {
 591         int i, size;
 592         u16 *rates_table;
 593         struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
 594         u32 rates = sta->supp_rates[band];
 595
 596         memset(&sta_priv->supported_rates, 0,
 597                 sizeof(sta_priv->supported_rates));
 598         sta_priv->supported_rates.op_rate_mode = STA_11n;
 599
 600         size = ARRAY_SIZE(sta_priv->supported_rates.dsss_rates);
 601         rates_table = sta_priv->supported_rates.dsss_rates;
 602         if (band == NL80211_BAND_2GHZ) {
 603                 for (i = 0; i < size; i++) {
 604                         if (rates & 0x01) {
 605                                 rates_table[i] = wcn_2ghz_rates[i].hw_value;
 606                                 rates = rates >> 1;
 607                         }
 608                 }
 609         }
 610
 611         size = ARRAY_SIZE(sta_priv->supported_rates.ofdm_rates);
 612         rates_table = sta_priv->supported_rates.ofdm_rates;
 613         for (i = 0; i < size; i++) {
 614                 if (rates & 0x01) {
 615                         rates_table[i] = wcn_5ghz_rates[i].hw_value;
 616                         rates = rates >> 1;
 617                 }
 618         }
 619
 620         if (sta->ht_cap.ht_supported) {
 621                 BUILD_BUG_ON(sizeof(sta->ht_cap.mcs.rx_mask) >
 622                         sizeof(sta_priv->supported_rates.supported_mcs_set));
 623                 memcpy(sta_priv->supported_rates.supported_mcs_set,
 624                        sta->ht_cap.mcs.rx_mask,
 625                        sizeof(sta->ht_cap.mcs.rx_mask));
 626         }
 627 }
 628 void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates)
 629 {
 630         u16 ofdm_rates[WCN36XX_HAL_NUM_OFDM_RATES] = {
 631                 HW_RATE_INDEX_6MBPS,
 632                 HW_RATE_INDEX_9MBPS,
 633                 HW_RATE_INDEX_12MBPS,
 634                 HW_RATE_INDEX_18MBPS,
 635                 HW_RATE_INDEX_24MBPS,
 636                 HW_RATE_INDEX_36MBPS,
 637                 HW_RATE_INDEX_48MBPS,
 638                 HW_RATE_INDEX_54MBPS
 639         };
 640         u16 dsss_rates[WCN36XX_HAL_NUM_DSSS_RATES] = {
 641                 HW_RATE_INDEX_1MBPS,
 642                 HW_RATE_INDEX_2MBPS,
 643                 HW_RATE_INDEX_5_5MBPS,
 644                 HW_RATE_INDEX_11MBPS
 645         };
 646
 647         rates->op_rate_mode = STA_11n;
 648         memcpy(rates->dsss_rates, dsss_rates,
 649                 sizeof(*dsss_rates) * WCN36XX_HAL_NUM_DSSS_RATES);
 650         memcpy(rates->ofdm_rates, ofdm_rates,
 651                 sizeof(*ofdm_rates) * WCN36XX_HAL_NUM_OFDM_RATES);
 652         rates->supported_mcs_set[0] = 0xFF;
 653 }
 654 static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw,
 655                                      struct ieee80211_vif *vif,
 656                                      struct ieee80211_bss_conf *bss_conf,
 657                                      u32 changed)
 658 {
 659         struct wcn36xx *wcn = hw->priv;
 660         struct sk_buff *skb = NULL;
 661         u16 tim_off, tim_len;
 662         enum wcn36xx_hal_link_state link_state;
 663         struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
 664
 665         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%08x\n",
 666                     vif, changed);
 667
 668         if (changed & BSS_CHANGED_BEACON_INFO) {
 669                 wcn36xx_dbg(WCN36XX_DBG_MAC,
 670                             "mac bss changed dtim period %d\n",
 671                             bss_conf->dtim_period);
 672
 673                 vif_priv->dtim_period = bss_conf->dtim_period;
 674         }
 675
 676         if (changed & BSS_CHANGED_PS) {
 677                 wcn36xx_dbg(WCN36XX_DBG_MAC,
 678                             "mac bss PS set %d\n",
 679                             bss_conf->ps);
 680                 if (bss_conf->ps) {
 681                         wcn36xx_pmc_enter_bmps_state(wcn, vif);
 682                 } else {
 683                         wcn36xx_pmc_exit_bmps_state(wcn, vif);
 684                 }
 685         }
 686
 687         if (changed & BSS_CHANGED_BSSID) {
 688                 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed_bssid %pM\n",
 689                             bss_conf->bssid);
 690
 691                 if (!is_zero_ether_addr(bss_conf->bssid)) {
 692                         vif_priv->is_joining = true;
 693                         vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX;
 694                         wcn36xx_smd_join(wcn, bss_conf->bssid,
 695                                          vif->addr, WCN36XX_HW_CHANNEL(wcn));
 696                         wcn36xx_smd_config_bss(wcn, vif, NULL,
 697                                                bss_conf->bssid, false);
 698                 } else {
 699                         vif_priv->is_joining = false;
 700                         wcn36xx_smd_delete_bss(wcn, vif);
 701                         vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE;
 702                 }
 703         }
 704
 705         if (changed & BSS_CHANGED_SSID) {
 706                 wcn36xx_dbg(WCN36XX_DBG_MAC,
 707                             "mac bss changed ssid\n");
 708                 wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "ssid ",
 709                                  bss_conf->ssid, bss_conf->ssid_len);
 710
 711                 vif_priv->ssid.length = bss_conf->ssid_len;
 712                 memcpy(&vif_priv->ssid.ssid,
 713                        bss_conf->ssid,
 714                        bss_conf->ssid_len);
 715         }
 716
 717         if (changed & BSS_CHANGED_ASSOC) {
 718                 vif_priv->is_joining = false;
 719                 if (bss_conf->assoc) {
 720                         struct ieee80211_sta *sta;
 721                         struct wcn36xx_sta *sta_priv;
 722
 723                         wcn36xx_dbg(WCN36XX_DBG_MAC,
 724                                     "mac assoc bss %pM vif %pM AID=%d\n",
 725                                      bss_conf->bssid,
 726                                      vif->addr,
 727                                      bss_conf->aid);
 728
 729                         vif_priv->sta_assoc = true;
 730                         rcu_read_lock();
 731                         sta = ieee80211_find_sta(vif, bss_conf->bssid);
 732                         if (!sta) {
 733                                 wcn36xx_err("sta %pM is not found\n",
 734                                               bss_conf->bssid);
 735                                 rcu_read_unlock();
 736                                 goto out;
 737                         }
 738                         sta_priv = wcn36xx_sta_to_priv(sta);
 739
 740                         wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn));
 741
 742                         wcn36xx_smd_set_link_st(wcn, bss_conf->bssid,
 743                                 vif->addr,
 744                                 WCN36XX_HAL_LINK_POSTASSOC_STATE);
 745                         wcn36xx_smd_config_bss(wcn, vif, sta,
 746                                                bss_conf->bssid,
 747                                                true);
 748                         sta_priv->aid = bss_conf->aid;
 749                         /*
 750                          * config_sta must be called from  because this is the
 751                          * place where AID is available.
 752                          */
 753                         wcn36xx_smd_config_sta(wcn, vif, sta);
 754                         rcu_read_unlock();
 755                 } else {
 756                         wcn36xx_dbg(WCN36XX_DBG_MAC,
 757                                     "disassociated bss %pM vif %pM AID=%d\n",
 758                                     bss_conf->bssid,
 759                                     vif->addr,
 760                                     bss_conf->aid);
 761                         vif_priv->sta_assoc = false;
 762                         wcn36xx_smd_set_link_st(wcn,
 763                                                 bss_conf->bssid,
 764                                                 vif->addr,
 765                                                 WCN36XX_HAL_LINK_IDLE_STATE);
 766                 }
 767         }
 768
 769         if (changed & BSS_CHANGED_AP_PROBE_RESP) {
 770                 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed ap probe resp\n");
 771                 skb = ieee80211_proberesp_get(hw, vif);
 772                 if (!skb) {
 773                         wcn36xx_err("failed to alloc probereq skb\n");
 774                         goto out;
 775                 }
 776
 777                 wcn36xx_smd_update_proberesp_tmpl(wcn, vif, skb);
 778                 dev_kfree_skb(skb);
 779         }
 780
 781         if (changed & BSS_CHANGED_BEACON_ENABLED ||
 782             changed & BSS_CHANGED_BEACON) {
 783                 wcn36xx_dbg(WCN36XX_DBG_MAC,
 784                             "mac bss changed beacon enabled %d\n",
 785                             bss_conf->enable_beacon);
 786
 787                 if (bss_conf->enable_beacon) {
 788                         vif_priv->dtim_period = bss_conf->dtim_period;
 789                         vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX;
 790                         wcn36xx_smd_config_bss(wcn, vif, NULL,
 791                                                vif->addr, false);
 792                         skb = ieee80211_beacon_get_tim(hw, vif, &tim_off,
 793                                                        &tim_len);
 794                         if (!skb) {
 795                                 wcn36xx_err("failed to alloc beacon skb\n");
 796                                 goto out;
 797                         }
 798                         wcn36xx_smd_send_beacon(wcn, vif, skb, tim_off, 0);
 799                         dev_kfree_skb(skb);
 800
 801                         if (vif->type == NL80211_IFTYPE_ADHOC ||
 802                             vif->type == NL80211_IFTYPE_MESH_POINT)
 803                                 link_state = WCN36XX_HAL_LINK_IBSS_STATE;
 804                         else
 805                                 link_state = WCN36XX_HAL_LINK_AP_STATE;
 806
 807                         wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr,
 808                                                 link_state);
 809                 } else {
 810                         wcn36xx_smd_delete_bss(wcn, vif);
 811                         wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr,
 812                                                 WCN36XX_HAL_LINK_IDLE_STATE);
 813                 }
 814         }
 815 out:
 816         return;
 817 }
 818
 819 /* this is required when using IEEE80211_HW_HAS_RATE_CONTROL */
 820 static int wcn36xx_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 821 {
 822         struct wcn36xx *wcn = hw->priv;
 823         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac set RTS threshold %d\n", value);
 824
 825         wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value);
 826         return 0;
 827 }
 828
 829 static void wcn36xx_remove_interface(struct ieee80211_hw *hw,
 830                                      struct ieee80211_vif *vif)
 831 {
 832         struct wcn36xx *wcn = hw->priv;
 833         struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
 834         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif);
 835
 836         list_del(&vif_priv->list);
 837         wcn36xx_smd_delete_sta_self(wcn, vif->addr);
 838 }
 839
 840 static int wcn36xx_add_interface(struct ieee80211_hw *hw,
 841                                  struct ieee80211_vif *vif)
 842 {
 843         struct wcn36xx *wcn = hw->priv;
 844         struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
 845
 846         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac add interface vif %p type %d\n",
 847                     vif, vif->type);
 848
 849         if (!(NL80211_IFTYPE_STATION == vif->type ||
 850               NL80211_IFTYPE_AP == vif->type ||
 851               NL80211_IFTYPE_ADHOC == vif->type ||
 852               NL80211_IFTYPE_MESH_POINT == vif->type)) {
 853                 wcn36xx_warn("Unsupported interface type requested: %d\n",
 854                              vif->type);
 855                 return -EOPNOTSUPP;
 856         }
 857
 858         list_add(&vif_priv->list, &wcn->vif_list);
 859         wcn36xx_smd_add_sta_self(wcn, vif);
 860
 861         return 0;
 862 }
 863
 864 static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 865                            struct ieee80211_sta *sta)
 866 {
 867         struct wcn36xx *wcn = hw->priv;
 868         struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
 869         struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
 870         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n",
 871                     vif, sta->addr);
 872
 873         spin_lock_init(&sta_priv->ampdu_lock);
 874         sta_priv->vif = vif_priv;
 875         /*
 876          * For STA mode HW will be configured on BSS_CHANGED_ASSOC because
 877          * at this stage AID is not available yet.
 878          */
 879         if (NL80211_IFTYPE_STATION != vif->type) {
 880                 wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn));
 881                 sta_priv->aid = sta->aid;
 882                 wcn36xx_smd_config_sta(wcn, vif, sta);
 883         }
 884         return 0;
 885 }
 886
 887 static int wcn36xx_sta_remove(struct ieee80211_hw *hw,
 888                               struct ieee80211_vif *vif,
 889                               struct ieee80211_sta *sta)
 890 {
 891         struct wcn36xx *wcn = hw->priv;
 892         struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
 893
 894         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n",
 895                     vif, sta->addr, sta_priv->sta_index);
 896
 897         wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index);
 898         sta_priv->vif = NULL;
 899         return 0;
 900 }
 901
 902 #ifdef CONFIG_PM
 903
 904 static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow)
 905 {
 906         struct wcn36xx *wcn = hw->priv;
 907
 908         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac suspend\n");
 909
 910         flush_workqueue(wcn->hal_ind_wq);
 911         wcn36xx_smd_set_power_params(wcn, true);
 912         return 0;
 913 }
 914
 915 static int wcn36xx_resume(struct ieee80211_hw *hw)
 916 {
 917         struct wcn36xx *wcn = hw->priv;
 918
 919         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac resume\n");
 920
 921         flush_workqueue(wcn->hal_ind_wq);
 922         wcn36xx_smd_set_power_params(wcn, false);
 923         return 0;
 924 }
 925
 926 #endif
 927
 928 static int wcn36xx_ampdu_action(struct ieee80211_hw *hw,
 929                     struct ieee80211_vif *vif,
 930                     struct ieee80211_ampdu_params *params)
 931 {
 932         struct wcn36xx *wcn = hw->priv;
 933         struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(params->sta);
 934         struct ieee80211_sta *sta = params->sta;
 935         enum ieee80211_ampdu_mlme_action action = params->action;
 936         u16 tid = params->tid;
 937         u16 *ssn = &params->ssn;
 938
 939         wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n",
 940                     action, tid);
 941
 942         switch (action) {
 943         case IEEE80211_AMPDU_RX_START:
 944                 sta_priv->tid = tid;
 945                 wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0,
 946                         get_sta_index(vif, sta_priv));
 947                 wcn36xx_smd_add_ba(wcn);
 948                 wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv));
 949                 break;
 950         case IEEE80211_AMPDU_RX_STOP:
 951                 wcn36xx_smd_del_ba(wcn, tid, get_sta_index(vif, sta_priv));
 952                 break;
 953         case IEEE80211_AMPDU_TX_START:
 954                 spin_lock_bh(&sta_priv->ampdu_lock);
 955                 sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START;
 956                 spin_unlock_bh(&sta_priv->ampdu_lock);
 957
 958                 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 959                 break;
 960         case IEEE80211_AMPDU_TX_OPERATIONAL:
 961                 spin_lock_bh(&sta_priv->ampdu_lock);
 962                 sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_OPERATIONAL;
 963                 spin_unlock_bh(&sta_priv->ampdu_lock);
 964
 965                 wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1,
 966                         get_sta_index(vif, sta_priv));
 967                 break;
 968         case IEEE80211_AMPDU_TX_STOP_FLUSH:
 969         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 970         case IEEE80211_AMPDU_TX_STOP_CONT:
 971                 spin_lock_bh(&sta_priv->ampdu_lock);
 972                 sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_NONE;
 973                 spin_unlock_bh(&sta_priv->ampdu_lock);
 974
 975                 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 976                 break;
 977         default:
 978                 wcn36xx_err("Unknown AMPDU action\n");
 979         }
 980
 981         return 0;
 982 }
 983
 984 static const struct ieee80211_ops wcn36xx_ops = {
 985         .start                  = wcn36xx_start,
 986         .stop                   = wcn36xx_stop,
 987         .add_interface          = wcn36xx_add_interface,
 988         .remove_interface       = wcn36xx_remove_interface,
 989 #ifdef CONFIG_PM
 990         .suspend                = wcn36xx_suspend,
 991         .resume                 = wcn36xx_resume,
 992 #endif
 993         .config                 = wcn36xx_config,
 994         .prepare_multicast      = wcn36xx_prepare_multicast,
 995         .configure_filter       = wcn36xx_configure_filter,
 996         .tx                     = wcn36xx_tx,
 997         .set_key                = wcn36xx_set_key,
 998         .sw_scan_start          = wcn36xx_sw_scan_start,
 999         .sw_scan_complete       = wcn36xx_sw_scan_complete,
1000         .bss_info_changed       = wcn36xx_bss_info_changed,
1001         .set_rts_threshold      = wcn36xx_set_rts_threshold,
1002         .sta_add                = wcn36xx_sta_add,
1003         .sta_remove             = wcn36xx_sta_remove,
1004         .ampdu_action           = wcn36xx_ampdu_action,
1005 };
1006
1007 static int wcn36xx_init_ieee80211(struct wcn36xx *wcn)
1008 {
1009         int ret = 0;
1010
1011         static const u32 cipher_suites[] = {
1012                 WLAN_CIPHER_SUITE_WEP40,
1013                 WLAN_CIPHER_SUITE_WEP104,
1014                 WLAN_CIPHER_SUITE_TKIP,
1015                 WLAN_CIPHER_SUITE_CCMP,
1016         };
1017
1018         ieee80211_hw_set(wcn->hw, TIMING_BEACON_ONLY);
1019         ieee80211_hw_set(wcn->hw, AMPDU_AGGREGATION);
1020         ieee80211_hw_set(wcn->hw, CONNECTION_MONITOR);
1021         ieee80211_hw_set(wcn->hw, SUPPORTS_PS);
1022         ieee80211_hw_set(wcn->hw, SIGNAL_DBM);
1023         ieee80211_hw_set(wcn->hw, HAS_RATE_CONTROL);
1024
1025         wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1026                 BIT(NL80211_IFTYPE_AP) |
1027                 BIT(NL80211_IFTYPE_ADHOC) |
1028                 BIT(NL80211_IFTYPE_MESH_POINT);
1029
1030         wcn->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wcn_band_2ghz;
1031         wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz;
1032
1033         wcn->hw->wiphy->cipher_suites = cipher_suites;
1034         wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
1035
1036         wcn->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1037
1038 #ifdef CONFIG_PM
1039         wcn->hw->wiphy->wowlan = &wowlan_support;
1040 #endif
1041
1042         wcn->hw->max_listen_interval = 200;
1043
1044         wcn->hw->queues = 4;
1045
1046         SET_IEEE80211_DEV(wcn->hw, wcn->dev);
1047
1048         wcn->hw->sta_data_size = sizeof(struct wcn36xx_sta);
1049         wcn->hw->vif_data_size = sizeof(struct wcn36xx_vif);
1050
1051         return ret;
1052 }
1053
1054 static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
1055                                           struct platform_device *pdev)
1056 {
1057         struct device_node *mmio_node;
1058         struct resource *res;
1059         int index;
1060         int ret;
1061
1062         /* Set TX IRQ */
1063         res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
1064                                            "wcnss_wlantx_irq");
1065         if (!res) {
1066                 wcn36xx_err("failed to get tx_irq\n");
1067                 return -ENOENT;
1068         }
1069         wcn->tx_irq = res->start;
1070
1071         /* Set RX IRQ */
1072         res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
1073                                            "wcnss_wlanrx_irq");
1074         if (!res) {
1075                 wcn36xx_err("failed to get rx_irq\n");
1076                 return -ENOENT;
1077         }
1078         wcn->rx_irq = res->start;
1079
1080         mmio_node = of_parse_phandle(pdev->dev.parent->of_node, "qcom,mmio", 0);
1081         if (!mmio_node) {
1082                 wcn36xx_err("failed to acquire qcom,mmio reference\n");
1083                 return -EINVAL;
1084         }
1085
1086         wcn->is_pronto = !!of_device_is_compatible(mmio_node, "qcom,pronto");
1087
1088         /* Map the CCU memory */
1089         index = of_property_match_string(mmio_node, "reg-names", "ccu");
1090         wcn->ccu_base = of_iomap(mmio_node, index);
1091         if (!wcn->ccu_base) {
1092                 wcn36xx_err("failed to map ccu memory\n");
1093                 ret = -ENOMEM;
1094                 goto put_mmio_node;
1095         }
1096
1097         /* Map the DXE memory */
1098         index = of_property_match_string(mmio_node, "reg-names", "dxe");
1099         wcn->dxe_base = of_iomap(mmio_node, index);
1100         if (!wcn->dxe_base) {
1101                 wcn36xx_err("failed to map dxe memory\n");
1102                 ret = -ENOMEM;
1103                 goto unmap_ccu;
1104         }
1105
1106         of_node_put(mmio_node);
1107         return 0;
1108
1109 unmap_ccu:
1110         iounmap(wcn->ccu_base);
1111 put_mmio_node:
1112         of_node_put(mmio_node);
1113         return ret;
1114 }
1115
1116 static int wcn36xx_probe(struct platform_device *pdev)
1117 {
1118         struct ieee80211_hw *hw;
1119         struct wcn36xx *wcn;
1120         int ret;
1121         u8 addr[ETH_ALEN];
1122
1123         wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n");
1124
1125         hw = ieee80211_alloc_hw(sizeof(struct wcn36xx), &wcn36xx_ops);
1126         if (!hw) {
1127                 wcn36xx_err("failed to alloc hw\n");
1128                 ret = -ENOMEM;
1129                 goto out_err;
1130         }
1131         platform_set_drvdata(pdev, hw);
1132         wcn = hw->priv;
1133         wcn->hw = hw;
1134         wcn->dev = &pdev->dev;
1135         wcn->ctrl_ops = pdev->dev.platform_data;
1136
1137         mutex_init(&wcn->hal_mutex);
1138
1139         if (!wcn->ctrl_ops->get_hw_mac(addr)) {
1140                 wcn36xx_info("mac address: %pM\n", addr);
1141                 SET_IEEE80211_PERM_ADDR(wcn->hw, addr);
1142         }
1143
1144         ret = wcn36xx_platform_get_resources(wcn, pdev);
1145         if (ret)
1146                 goto out_wq;
1147
1148         wcn36xx_init_ieee80211(wcn);
1149         ret = ieee80211_register_hw(wcn->hw);
1150         if (ret)
1151                 goto out_unmap;
1152
1153         return 0;
1154
1155 out_unmap:
1156         iounmap(wcn->ccu_base);
1157         iounmap(wcn->dxe_base);
1158 out_wq:
1159         ieee80211_free_hw(hw);
1160 out_err:
1161         return ret;
1162 }
1163 static int wcn36xx_remove(struct platform_device *pdev)
1164 {
1165         struct ieee80211_hw *hw = platform_get_drvdata(pdev);
1166         struct wcn36xx *wcn = hw->priv;
1167         wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n");
1168
1169         release_firmware(wcn->nv);
1170
1171         ieee80211_unregister_hw(hw);
1172         iounmap(wcn->dxe_base);
1173         iounmap(wcn->ccu_base);
1174
1175         mutex_destroy(&wcn->hal_mutex);
1176         ieee80211_free_hw(hw);
1177
1178         return 0;
1179 }
1180 static const struct platform_device_id wcn36xx_platform_id_table[] = {
1181         {
1182                 .name = "wcn36xx",
1183                 .driver_data = 0
1184         },
1185         {}
1186 };
1187 MODULE_DEVICE_TABLE(platform, wcn36xx_platform_id_table);
1188
1189 static struct platform_driver wcn36xx_driver = {
1190         .probe      = wcn36xx_probe,
1191         .remove     = wcn36xx_remove,
1192         .driver         = {
1193                 .name   = "wcn36xx",
1194         },
1195         .id_table    = wcn36xx_platform_id_table,
1196 };
1197
1198 static int __init wcn36xx_init(void)
1199 {
1200         platform_driver_register(&wcn36xx_driver);
1201         return 0;
1202 }
1203 module_init(wcn36xx_init);
1204
1205 static void __exit wcn36xx_exit(void)
1206 {
1207         platform_driver_unregister(&wcn36xx_driver);
1208 }
1209 module_exit(wcn36xx_exit);
1210
1211 MODULE_LICENSE("Dual BSD/GPL");
1212 MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com");
1213 /*(DEBLOBBED)*/