drivers/net/wireless/realtek/rtw89/core.c

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2 /* Copyright(c) 2019-2020  Realtek Corporation
   3  */
   4 #include <linux/ip.h>
   5 #include <linux/udp.h>
   6
   7 #include "cam.h"
   8 #include "chan.h"
   9 #include "coex.h"
  10 #include "core.h"
  11 #include "efuse.h"
  12 #include "fw.h"
  13 #include "mac.h"
  14 #include "phy.h"
  15 #include "ps.h"
  16 #include "reg.h"
  17 #include "sar.h"
  18 #include "ser.h"
  19 #include "txrx.h"
  20 #include "util.h"
  21
  22 static bool rtw89_disable_ps_mode;
  23 module_param_named(disable_ps_mode, rtw89_disable_ps_mode, bool, 0644);
  24 MODULE_PARM_DESC(disable_ps_mode, "Set Y to disable low power mode");
  25
  26 #define RTW89_DEF_CHAN(_freq, _hw_val, _flags, _band)   \
  27         { .center_freq = _freq, .hw_value = _hw_val, .flags = _flags, .band = _band, }
  28 #define RTW89_DEF_CHAN_2G(_freq, _hw_val)       \
  29         RTW89_DEF_CHAN(_freq, _hw_val, 0, NL80211_BAND_2GHZ)
  30 #define RTW89_DEF_CHAN_5G(_freq, _hw_val)       \
  31         RTW89_DEF_CHAN(_freq, _hw_val, 0, NL80211_BAND_5GHZ)
  32 #define RTW89_DEF_CHAN_5G_NO_HT40MINUS(_freq, _hw_val)  \
  33         RTW89_DEF_CHAN(_freq, _hw_val, IEEE80211_CHAN_NO_HT40MINUS, NL80211_BAND_5GHZ)
  34 #define RTW89_DEF_CHAN_6G(_freq, _hw_val)       \
  35         RTW89_DEF_CHAN(_freq, _hw_val, 0, NL80211_BAND_6GHZ)
  36
  37 static struct ieee80211_channel rtw89_channels_2ghz[] = {
  38         RTW89_DEF_CHAN_2G(2412, 1),
  39         RTW89_DEF_CHAN_2G(2417, 2),
  40         RTW89_DEF_CHAN_2G(2422, 3),
  41         RTW89_DEF_CHAN_2G(2427, 4),
  42         RTW89_DEF_CHAN_2G(2432, 5),
  43         RTW89_DEF_CHAN_2G(2437, 6),
  44         RTW89_DEF_CHAN_2G(2442, 7),
  45         RTW89_DEF_CHAN_2G(2447, 8),
  46         RTW89_DEF_CHAN_2G(2452, 9),
  47         RTW89_DEF_CHAN_2G(2457, 10),
  48         RTW89_DEF_CHAN_2G(2462, 11),
  49         RTW89_DEF_CHAN_2G(2467, 12),
  50         RTW89_DEF_CHAN_2G(2472, 13),
  51         RTW89_DEF_CHAN_2G(2484, 14),
  52 };
  53
  54 static struct ieee80211_channel rtw89_channels_5ghz[] = {
  55         RTW89_DEF_CHAN_5G(5180, 36),
  56         RTW89_DEF_CHAN_5G(5200, 40),
  57         RTW89_DEF_CHAN_5G(5220, 44),
  58         RTW89_DEF_CHAN_5G(5240, 48),
  59         RTW89_DEF_CHAN_5G(5260, 52),
  60         RTW89_DEF_CHAN_5G(5280, 56),
  61         RTW89_DEF_CHAN_5G(5300, 60),
  62         RTW89_DEF_CHAN_5G(5320, 64),
  63         RTW89_DEF_CHAN_5G(5500, 100),
  64         RTW89_DEF_CHAN_5G(5520, 104),
  65         RTW89_DEF_CHAN_5G(5540, 108),
  66         RTW89_DEF_CHAN_5G(5560, 112),
  67         RTW89_DEF_CHAN_5G(5580, 116),
  68         RTW89_DEF_CHAN_5G(5600, 120),
  69         RTW89_DEF_CHAN_5G(5620, 124),
  70         RTW89_DEF_CHAN_5G(5640, 128),
  71         RTW89_DEF_CHAN_5G(5660, 132),
  72         RTW89_DEF_CHAN_5G(5680, 136),
  73         RTW89_DEF_CHAN_5G(5700, 140),
  74         RTW89_DEF_CHAN_5G(5720, 144),
  75         RTW89_DEF_CHAN_5G(5745, 149),
  76         RTW89_DEF_CHAN_5G(5765, 153),
  77         RTW89_DEF_CHAN_5G(5785, 157),
  78         RTW89_DEF_CHAN_5G(5805, 161),
  79         RTW89_DEF_CHAN_5G_NO_HT40MINUS(5825, 165),
  80 };
  81
  82 static struct ieee80211_channel rtw89_channels_6ghz[] = {
  83         RTW89_DEF_CHAN_6G(5955, 1),
  84         RTW89_DEF_CHAN_6G(5975, 5),
  85         RTW89_DEF_CHAN_6G(5995, 9),
  86         RTW89_DEF_CHAN_6G(6015, 13),
  87         RTW89_DEF_CHAN_6G(6035, 17),
  88         RTW89_DEF_CHAN_6G(6055, 21),
  89         RTW89_DEF_CHAN_6G(6075, 25),
  90         RTW89_DEF_CHAN_6G(6095, 29),
  91         RTW89_DEF_CHAN_6G(6115, 33),
  92         RTW89_DEF_CHAN_6G(6135, 37),
  93         RTW89_DEF_CHAN_6G(6155, 41),
  94         RTW89_DEF_CHAN_6G(6175, 45),
  95         RTW89_DEF_CHAN_6G(6195, 49),
  96         RTW89_DEF_CHAN_6G(6215, 53),
  97         RTW89_DEF_CHAN_6G(6235, 57),
  98         RTW89_DEF_CHAN_6G(6255, 61),
  99         RTW89_DEF_CHAN_6G(6275, 65),
 100         RTW89_DEF_CHAN_6G(6295, 69),
 101         RTW89_DEF_CHAN_6G(6315, 73),
 102         RTW89_DEF_CHAN_6G(6335, 77),
 103         RTW89_DEF_CHAN_6G(6355, 81),
 104         RTW89_DEF_CHAN_6G(6375, 85),
 105         RTW89_DEF_CHAN_6G(6395, 89),
 106         RTW89_DEF_CHAN_6G(6415, 93),
 107         RTW89_DEF_CHAN_6G(6435, 97),
 108         RTW89_DEF_CHAN_6G(6455, 101),
 109         RTW89_DEF_CHAN_6G(6475, 105),
 110         RTW89_DEF_CHAN_6G(6495, 109),
 111         RTW89_DEF_CHAN_6G(6515, 113),
 112         RTW89_DEF_CHAN_6G(6535, 117),
 113         RTW89_DEF_CHAN_6G(6555, 121),
 114         RTW89_DEF_CHAN_6G(6575, 125),
 115         RTW89_DEF_CHAN_6G(6595, 129),
 116         RTW89_DEF_CHAN_6G(6615, 133),
 117         RTW89_DEF_CHAN_6G(6635, 137),
 118         RTW89_DEF_CHAN_6G(6655, 141),
 119         RTW89_DEF_CHAN_6G(6675, 145),
 120         RTW89_DEF_CHAN_6G(6695, 149),
 121         RTW89_DEF_CHAN_6G(6715, 153),
 122         RTW89_DEF_CHAN_6G(6735, 157),
 123         RTW89_DEF_CHAN_6G(6755, 161),
 124         RTW89_DEF_CHAN_6G(6775, 165),
 125         RTW89_DEF_CHAN_6G(6795, 169),
 126         RTW89_DEF_CHAN_6G(6815, 173),
 127         RTW89_DEF_CHAN_6G(6835, 177),
 128         RTW89_DEF_CHAN_6G(6855, 181),
 129         RTW89_DEF_CHAN_6G(6875, 185),
 130         RTW89_DEF_CHAN_6G(6895, 189),
 131         RTW89_DEF_CHAN_6G(6915, 193),
 132         RTW89_DEF_CHAN_6G(6935, 197),
 133         RTW89_DEF_CHAN_6G(6955, 201),
 134         RTW89_DEF_CHAN_6G(6975, 205),
 135         RTW89_DEF_CHAN_6G(6995, 209),
 136         RTW89_DEF_CHAN_6G(7015, 213),
 137         RTW89_DEF_CHAN_6G(7035, 217),
 138         RTW89_DEF_CHAN_6G(7055, 221),
 139         RTW89_DEF_CHAN_6G(7075, 225),
 140         RTW89_DEF_CHAN_6G(7095, 229),
 141         RTW89_DEF_CHAN_6G(7115, 233),
 142 };
 143
 144 static struct ieee80211_rate rtw89_bitrates[] = {
 145         { .bitrate = 10,  .hw_value = 0x00, },
 146         { .bitrate = 20,  .hw_value = 0x01, },
 147         { .bitrate = 55,  .hw_value = 0x02, },
 148         { .bitrate = 110, .hw_value = 0x03, },
 149         { .bitrate = 60,  .hw_value = 0x04, },
 150         { .bitrate = 90,  .hw_value = 0x05, },
 151         { .bitrate = 120, .hw_value = 0x06, },
 152         { .bitrate = 180, .hw_value = 0x07, },
 153         { .bitrate = 240, .hw_value = 0x08, },
 154         { .bitrate = 360, .hw_value = 0x09, },
 155         { .bitrate = 480, .hw_value = 0x0a, },
 156         { .bitrate = 540, .hw_value = 0x0b, },
 157 };
 158
 159 static const struct ieee80211_iface_limit rtw89_iface_limits[] = {
 160         {
 161                 .max = 1,
 162                 .types = BIT(NL80211_IFTYPE_STATION),
 163         },
 164         {
 165                 .max = 1,
 166                 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
 167                          BIT(NL80211_IFTYPE_P2P_GO) |
 168                          BIT(NL80211_IFTYPE_AP),
 169         },
 170 };
 171
 172 static const struct ieee80211_iface_combination rtw89_iface_combs[] = {
 173         {
 174                 .limits = rtw89_iface_limits,
 175                 .n_limits = ARRAY_SIZE(rtw89_iface_limits),
 176                 .max_interfaces = 2,
 177                 .num_different_channels = 1,
 178         }
 179 };
 180
 181 bool rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate, u16 *bitrate)
 182 {
 183         struct ieee80211_rate rate;
 184
 185         if (unlikely(rpt_rate >= ARRAY_SIZE(rtw89_bitrates))) {
 186                 rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "invalid rpt rate %d\n", rpt_rate);
 187                 return false;
 188         }
 189
 190         rate = rtw89_bitrates[rpt_rate];
 191         *bitrate = rate.bitrate;
 192
 193         return true;
 194 }
 195
 196 static const struct ieee80211_supported_band rtw89_sband_2ghz = {
 197         .band           = NL80211_BAND_2GHZ,
 198         .channels       = rtw89_channels_2ghz,
 199         .n_channels     = ARRAY_SIZE(rtw89_channels_2ghz),
 200         .bitrates       = rtw89_bitrates,
 201         .n_bitrates     = ARRAY_SIZE(rtw89_bitrates),
 202         .ht_cap         = {0},
 203         .vht_cap        = {0},
 204 };
 205
 206 static const struct ieee80211_supported_band rtw89_sband_5ghz = {
 207         .band           = NL80211_BAND_5GHZ,
 208         .channels       = rtw89_channels_5ghz,
 209         .n_channels     = ARRAY_SIZE(rtw89_channels_5ghz),
 210
 211         /* 5G has no CCK rates, 1M/2M/5.5M/11M */
 212         .bitrates       = rtw89_bitrates + 4,
 213         .n_bitrates     = ARRAY_SIZE(rtw89_bitrates) - 4,
 214         .ht_cap         = {0},
 215         .vht_cap        = {0},
 216 };
 217
 218 static const struct ieee80211_supported_band rtw89_sband_6ghz = {
 219         .band           = NL80211_BAND_6GHZ,
 220         .channels       = rtw89_channels_6ghz,
 221         .n_channels     = ARRAY_SIZE(rtw89_channels_6ghz),
 222
 223         /* 6G has no CCK rates, 1M/2M/5.5M/11M */
 224         .bitrates       = rtw89_bitrates + 4,
 225         .n_bitrates     = ARRAY_SIZE(rtw89_bitrates) - 4,
 226 };
 227
 228 static void rtw89_traffic_stats_accu(struct rtw89_dev *rtwdev,
 229                                      struct rtw89_traffic_stats *stats,
 230                                      struct sk_buff *skb, bool tx)
 231 {
 232         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 233
 234         if (!ieee80211_is_data(hdr->frame_control))
 235                 return;
 236
 237         if (is_broadcast_ether_addr(hdr->addr1) ||
 238             is_multicast_ether_addr(hdr->addr1))
 239                 return;
 240
 241         if (tx) {
 242                 stats->tx_cnt++;
 243                 stats->tx_unicast += skb->len;
 244         } else {
 245                 stats->rx_cnt++;
 246                 stats->rx_unicast += skb->len;
 247         }
 248 }
 249
 250 void rtw89_get_default_chandef(struct cfg80211_chan_def *chandef)
 251 {
 252         cfg80211_chandef_create(chandef, &rtw89_channels_2ghz[0],
 253                                 NL80211_CHAN_NO_HT);
 254 }
 255
 256 static void rtw89_get_channel_params(const struct cfg80211_chan_def *chandef,
 257                                      struct rtw89_chan *chan)
 258 {
 259         struct ieee80211_channel *channel = chandef->chan;
 260         enum nl80211_chan_width width = chandef->width;
 261         u32 primary_freq, center_freq;
 262         u8 center_chan;
 263         u8 bandwidth = RTW89_CHANNEL_WIDTH_20;
 264         u32 offset;
 265         u8 band;
 266
 267         center_chan = channel->hw_value;
 268         primary_freq = channel->center_freq;
 269         center_freq = chandef->center_freq1;
 270
 271         switch (width) {
 272         case NL80211_CHAN_WIDTH_20_NOHT:
 273         case NL80211_CHAN_WIDTH_20:
 274                 bandwidth = RTW89_CHANNEL_WIDTH_20;
 275                 break;
 276         case NL80211_CHAN_WIDTH_40:
 277                 bandwidth = RTW89_CHANNEL_WIDTH_40;
 278                 if (primary_freq > center_freq) {
 279                         center_chan -= 2;
 280                 } else {
 281                         center_chan += 2;
 282                 }
 283                 break;
 284         case NL80211_CHAN_WIDTH_80:
 285         case NL80211_CHAN_WIDTH_160:
 286                 bandwidth = nl_to_rtw89_bandwidth(width);
 287                 if (primary_freq > center_freq) {
 288                         offset = (primary_freq - center_freq - 10) / 20;
 289                         center_chan -= 2 + offset * 4;
 290                 } else {
 291                         offset = (center_freq - primary_freq - 10) / 20;
 292                         center_chan += 2 + offset * 4;
 293                 }
 294                 break;
 295         default:
 296                 center_chan = 0;
 297                 break;
 298         }
 299
 300         switch (channel->band) {
 301         default:
 302         case NL80211_BAND_2GHZ:
 303                 band = RTW89_BAND_2G;
 304                 break;
 305         case NL80211_BAND_5GHZ:
 306                 band = RTW89_BAND_5G;
 307                 break;
 308         case NL80211_BAND_6GHZ:
 309                 band = RTW89_BAND_6G;
 310                 break;
 311         }
 312
 313         rtw89_chan_create(chan, center_chan, channel->hw_value, band, bandwidth);
 314 }
 315
 316 void rtw89_core_set_chip_txpwr(struct rtw89_dev *rtwdev)
 317 {
 318         const struct rtw89_chip_info *chip = rtwdev->chip;
 319         const struct rtw89_chan *chan;
 320         enum rtw89_sub_entity_idx sub_entity_idx;
 321         enum rtw89_phy_idx phy_idx;
 322         enum rtw89_entity_mode mode;
 323         bool entity_active;
 324
 325         entity_active = rtw89_get_entity_state(rtwdev);
 326         if (!entity_active)
 327                 return;
 328
 329         mode = rtw89_get_entity_mode(rtwdev);
 330         if (WARN(mode != RTW89_ENTITY_MODE_SCC, "Invalid ent mode: %d\n", mode))
 331                 return;
 332
 333         sub_entity_idx = RTW89_SUB_ENTITY_0;
 334         phy_idx = RTW89_PHY_0;
 335         chan = rtw89_chan_get(rtwdev, sub_entity_idx);
 336         if (chip->ops->set_txpwr)
 337                 chip->ops->set_txpwr(rtwdev, chan, phy_idx);
 338 }
 339
 340 void rtw89_set_channel(struct rtw89_dev *rtwdev)
 341 {
 342         const struct rtw89_chip_info *chip = rtwdev->chip;
 343         const struct cfg80211_chan_def *chandef;
 344         enum rtw89_sub_entity_idx sub_entity_idx;
 345         enum rtw89_mac_idx mac_idx;
 346         enum rtw89_phy_idx phy_idx;
 347         struct rtw89_chan chan;
 348         struct rtw89_channel_help_params bak;
 349         enum rtw89_entity_mode mode;
 350         bool band_changed;
 351         bool entity_active;
 352
 353         entity_active = rtw89_get_entity_state(rtwdev);
 354
 355         mode = rtw89_entity_recalc(rtwdev);
 356         if (WARN(mode != RTW89_ENTITY_MODE_SCC, "Invalid ent mode: %d\n", mode))
 357                 return;
 358
 359         sub_entity_idx = RTW89_SUB_ENTITY_0;
 360         mac_idx = RTW89_MAC_0;
 361         phy_idx = RTW89_PHY_0;
 362         chandef = rtw89_chandef_get(rtwdev, sub_entity_idx);
 363         rtw89_get_channel_params(chandef, &chan);
 364         if (WARN(chan.channel == 0, "Invalid channel\n"))
 365                 return;
 366
 367         band_changed = rtw89_assign_entity_chan(rtwdev, sub_entity_idx, &chan);
 368
 369         rtw89_chip_set_channel_prepare(rtwdev, &bak, &chan, mac_idx, phy_idx);
 370
 371         chip->ops->set_channel(rtwdev, &chan, mac_idx, phy_idx);
 372
 373         rtw89_core_set_chip_txpwr(rtwdev);
 374
 375         rtw89_chip_set_channel_done(rtwdev, &bak, &chan, mac_idx, phy_idx);
 376
 377         if (!entity_active || band_changed) {
 378                 rtw89_btc_ntfy_switch_band(rtwdev, phy_idx, chan.band_type);
 379                 rtw89_chip_rfk_band_changed(rtwdev, phy_idx);
 380         }
 381
 382         rtw89_set_entity_state(rtwdev, true);
 383 }
 384
 385 void rtw89_get_channel(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
 386                        struct rtw89_chan *chan)
 387 {
 388         const struct cfg80211_chan_def *chandef;
 389
 390         chandef = rtw89_chandef_get(rtwdev, rtwvif->sub_entity_idx);
 391         rtw89_get_channel_params(chandef, chan);
 392 }
 393
 394 static enum rtw89_core_tx_type
 395 rtw89_core_get_tx_type(struct rtw89_dev *rtwdev,
 396                        struct sk_buff *skb)
 397 {
 398         struct ieee80211_hdr *hdr = (void *)skb->data;
 399         __le16 fc = hdr->frame_control;
 400
 401         if (ieee80211_is_mgmt(fc) || ieee80211_is_nullfunc(fc))
 402                 return RTW89_CORE_TX_TYPE_MGMT;
 403
 404         return RTW89_CORE_TX_TYPE_DATA;
 405 }
 406
 407 static void
 408 rtw89_core_tx_update_ampdu_info(struct rtw89_dev *rtwdev,
 409                                 struct rtw89_core_tx_request *tx_req,
 410                                 enum btc_pkt_type pkt_type)
 411 {
 412         struct ieee80211_sta *sta = tx_req->sta;
 413         struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
 414         struct sk_buff *skb = tx_req->skb;
 415         struct rtw89_sta *rtwsta;
 416         u8 ampdu_num;
 417         u8 tid;
 418
 419         if (pkt_type == PACKET_EAPOL) {
 420                 desc_info->bk = true;
 421                 return;
 422         }
 423
 424         if (!(IEEE80211_SKB_CB(skb)->flags & IEEE80211_TX_CTL_AMPDU))
 425                 return;
 426
 427         if (!sta) {
 428                 rtw89_warn(rtwdev, "cannot set ampdu info without sta\n");
 429                 return;
 430         }
 431
 432         tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
 433         rtwsta = (struct rtw89_sta *)sta->drv_priv;
 434
 435         ampdu_num = (u8)((rtwsta->ampdu_params[tid].agg_num ?
 436                           rtwsta->ampdu_params[tid].agg_num :
 437                           4 << sta->deflink.ht_cap.ampdu_factor) - 1);
 438
 439         desc_info->agg_en = true;
 440         desc_info->ampdu_density = sta->deflink.ht_cap.ampdu_density;
 441         desc_info->ampdu_num = ampdu_num;
 442 }
 443
 444 static void
 445 rtw89_core_tx_update_sec_key(struct rtw89_dev *rtwdev,
 446                              struct rtw89_core_tx_request *tx_req)
 447 {
 448         const struct rtw89_chip_info *chip = rtwdev->chip;
 449         struct ieee80211_vif *vif = tx_req->vif;
 450         struct ieee80211_sta *sta = tx_req->sta;
 451         struct ieee80211_tx_info *info;
 452         struct ieee80211_key_conf *key;
 453         struct rtw89_vif *rtwvif;
 454         struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
 455         struct rtw89_addr_cam_entry *addr_cam;
 456         struct rtw89_sec_cam_entry *sec_cam;
 457         struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
 458         struct sk_buff *skb = tx_req->skb;
 459         u8 sec_type = RTW89_SEC_KEY_TYPE_NONE;
 460         u64 pn64;
 461
 462         if (!vif) {
 463                 rtw89_warn(rtwdev, "cannot set sec key without vif\n");
 464                 return;
 465         }
 466
 467         rtwvif = (struct rtw89_vif *)vif->drv_priv;
 468         addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
 469
 470         info = IEEE80211_SKB_CB(skb);
 471         key = info->control.hw_key;
 472         sec_cam = addr_cam->sec_entries[key->hw_key_idx];
 473         if (!sec_cam) {
 474                 rtw89_warn(rtwdev, "sec cam entry is empty\n");
 475                 return;
 476         }
 477
 478         switch (key->cipher) {
 479         case WLAN_CIPHER_SUITE_WEP40:
 480                 sec_type = RTW89_SEC_KEY_TYPE_WEP40;
 481                 break;
 482         case WLAN_CIPHER_SUITE_WEP104:
 483                 sec_type = RTW89_SEC_KEY_TYPE_WEP104;
 484                 break;
 485         case WLAN_CIPHER_SUITE_TKIP:
 486                 sec_type = RTW89_SEC_KEY_TYPE_TKIP;
 487                 break;
 488         case WLAN_CIPHER_SUITE_CCMP:
 489                 sec_type = RTW89_SEC_KEY_TYPE_CCMP128;
 490                 break;
 491         case WLAN_CIPHER_SUITE_CCMP_256:
 492                 sec_type = RTW89_SEC_KEY_TYPE_CCMP256;
 493                 break;
 494         case WLAN_CIPHER_SUITE_GCMP:
 495                 sec_type = RTW89_SEC_KEY_TYPE_GCMP128;
 496                 break;
 497         case WLAN_CIPHER_SUITE_GCMP_256:
 498                 sec_type = RTW89_SEC_KEY_TYPE_GCMP256;
 499                 break;
 500         default:
 501                 rtw89_warn(rtwdev, "key cipher not supported %d\n", key->cipher);
 502                 return;
 503         }
 504
 505         desc_info->sec_en = true;
 506         desc_info->sec_keyid = key->keyidx;
 507         desc_info->sec_type = sec_type;
 508         desc_info->sec_cam_idx = sec_cam->sec_cam_idx;
 509
 510         if (!chip->hw_sec_hdr)
 511                 return;
 512
 513         pn64 = atomic64_inc_return(&key->tx_pn);
 514         desc_info->sec_seq[0] = pn64;
 515         desc_info->sec_seq[1] = pn64 >> 8;
 516         desc_info->sec_seq[2] = pn64 >> 16;
 517         desc_info->sec_seq[3] = pn64 >> 24;
 518         desc_info->sec_seq[4] = pn64 >> 32;
 519         desc_info->sec_seq[5] = pn64 >> 40;
 520         desc_info->wp_offset = 1; /* in unit of 8 bytes for security header */
 521 }
 522
 523 static u16 rtw89_core_get_mgmt_rate(struct rtw89_dev *rtwdev,
 524                                     struct rtw89_core_tx_request *tx_req)
 525 {
 526         struct sk_buff *skb = tx_req->skb;
 527         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 528         struct ieee80211_vif *vif = tx_info->control.vif;
 529         const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
 530         u16 lowest_rate;
 531
 532         if (tx_info->flags & IEEE80211_TX_CTL_NO_CCK_RATE ||
 533             (vif && vif->p2p))
 534                 lowest_rate = RTW89_HW_RATE_OFDM6;
 535         else if (chan->band_type == RTW89_BAND_2G)
 536                 lowest_rate = RTW89_HW_RATE_CCK1;
 537         else
 538                 lowest_rate = RTW89_HW_RATE_OFDM6;
 539
 540         if (!vif || !vif->bss_conf.basic_rates || !tx_req->sta)
 541                 return lowest_rate;
 542
 543         return __ffs(vif->bss_conf.basic_rates) + lowest_rate;
 544 }
 545
 546 static u8 rtw89_core_tx_get_mac_id(struct rtw89_dev *rtwdev,
 547                                    struct rtw89_core_tx_request *tx_req)
 548 {
 549         struct ieee80211_vif *vif = tx_req->vif;
 550         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
 551         struct ieee80211_sta *sta = tx_req->sta;
 552         struct rtw89_sta *rtwsta;
 553
 554         if (!sta)
 555                 return rtwvif->mac_id;
 556
 557         rtwsta = (struct rtw89_sta *)sta->drv_priv;
 558         return rtwsta->mac_id;
 559 }
 560
 561 static void
 562 rtw89_core_tx_update_mgmt_info(struct rtw89_dev *rtwdev,
 563                                struct rtw89_core_tx_request *tx_req)
 564 {
 565         struct ieee80211_vif *vif = tx_req->vif;
 566         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
 567         struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
 568         const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
 569         u8 qsel, ch_dma;
 570
 571         qsel = desc_info->hiq ? RTW89_TX_QSEL_B0_HI : RTW89_TX_QSEL_B0_MGMT;
 572         ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel);
 573
 574         desc_info->qsel = qsel;
 575         desc_info->ch_dma = ch_dma;
 576         desc_info->port = desc_info->hiq ? rtwvif->port : 0;
 577         desc_info->mac_id = rtw89_core_tx_get_mac_id(rtwdev, tx_req);
 578         desc_info->hw_ssn_sel = RTW89_MGMT_HW_SSN_SEL;
 579         desc_info->hw_seq_mode = RTW89_MGMT_HW_SEQ_MODE;
 580
 581         /* fixed data rate for mgmt frames */
 582         desc_info->en_wd_info = true;
 583         desc_info->use_rate = true;
 584         desc_info->dis_data_fb = true;
 585         desc_info->data_rate = rtw89_core_get_mgmt_rate(rtwdev, tx_req);
 586
 587         rtw89_debug(rtwdev, RTW89_DBG_TXRX,
 588                     "tx mgmt frame with rate 0x%x on channel %d (band %d, bw %d)\n",
 589                     desc_info->data_rate, chan->channel, chan->band_type,
 590                     chan->band_width);
 591 }
 592
 593 static void
 594 rtw89_core_tx_update_h2c_info(struct rtw89_dev *rtwdev,
 595                               struct rtw89_core_tx_request *tx_req)
 596 {
 597         struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
 598
 599         desc_info->is_bmc = false;
 600         desc_info->wd_page = false;
 601         desc_info->ch_dma = RTW89_DMA_H2C;
 602 }
 603
 604 static void rtw89_core_get_no_ul_ofdma_htc(struct rtw89_dev *rtwdev, __le32 *htc)
 605 {
 606         static const u8 rtw89_bandwidth_to_om[] = {
 607                 [RTW89_CHANNEL_WIDTH_20] = HTC_OM_CHANNEL_WIDTH_20,
 608                 [RTW89_CHANNEL_WIDTH_40] = HTC_OM_CHANNEL_WIDTH_40,
 609                 [RTW89_CHANNEL_WIDTH_80] = HTC_OM_CHANNEL_WIDTH_80,
 610                 [RTW89_CHANNEL_WIDTH_160] = HTC_OM_CHANNEL_WIDTH_160_OR_80_80,
 611                 [RTW89_CHANNEL_WIDTH_80_80] = HTC_OM_CHANNEL_WIDTH_160_OR_80_80,
 612         };
 613         const struct rtw89_chip_info *chip = rtwdev->chip;
 614         struct rtw89_hal *hal = &rtwdev->hal;
 615         const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
 616         u8 om_bandwidth;
 617
 618         if (!chip->dis_2g_40m_ul_ofdma ||
 619             chan->band_type != RTW89_BAND_2G ||
 620             chan->band_width != RTW89_CHANNEL_WIDTH_40)
 621                 return;
 622
 623         om_bandwidth = chan->band_width < ARRAY_SIZE(rtw89_bandwidth_to_om) ?
 624                        rtw89_bandwidth_to_om[chan->band_width] : 0;
 625         *htc = le32_encode_bits(RTW89_HTC_VARIANT_HE, RTW89_HTC_MASK_VARIANT) |
 626                le32_encode_bits(RTW89_HTC_VARIANT_HE_CID_OM, RTW89_HTC_MASK_CTL_ID) |
 627                le32_encode_bits(hal->rx_nss - 1, RTW89_HTC_MASK_HTC_OM_RX_NSS) |
 628                le32_encode_bits(om_bandwidth, RTW89_HTC_MASK_HTC_OM_CH_WIDTH) |
 629                le32_encode_bits(1, RTW89_HTC_MASK_HTC_OM_UL_MU_DIS) |
 630                le32_encode_bits(hal->tx_nss - 1, RTW89_HTC_MASK_HTC_OM_TX_NSTS) |
 631                le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_ER_SU_DIS) |
 632                le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_DL_MU_MIMO_RR) |
 633                le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_UL_MU_DATA_DIS);
 634 }
 635
 636 static bool
 637 __rtw89_core_tx_check_he_qos_htc(struct rtw89_dev *rtwdev,
 638                                  struct rtw89_core_tx_request *tx_req,
 639                                  enum btc_pkt_type pkt_type)
 640 {
 641         struct ieee80211_sta *sta = tx_req->sta;
 642         struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
 643         struct sk_buff *skb = tx_req->skb;
 644         struct ieee80211_hdr *hdr = (void *)skb->data;
 645         __le16 fc = hdr->frame_control;
 646
 647         /* AP IOT issue with EAPoL, ARP and DHCP */
 648         if (pkt_type < PACKET_MAX)
 649                 return false;
 650
 651         if (!sta || !sta->deflink.he_cap.has_he)
 652                 return false;
 653
 654         if (!ieee80211_is_data_qos(fc))
 655                 return false;
 656
 657         if (skb_headroom(skb) < IEEE80211_HT_CTL_LEN)
 658                 return false;
 659
 660         if (rtwsta && rtwsta->ra_report.might_fallback_legacy)
 661                 return false;
 662
 663         return true;
 664 }
 665
 666 static void
 667 __rtw89_core_tx_adjust_he_qos_htc(struct rtw89_dev *rtwdev,
 668                                   struct rtw89_core_tx_request *tx_req)
 669 {
 670         struct ieee80211_sta *sta = tx_req->sta;
 671         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
 672         struct sk_buff *skb = tx_req->skb;
 673         struct ieee80211_hdr *hdr = (void *)skb->data;
 674         __le16 fc = hdr->frame_control;
 675         void *data;
 676         __le32 *htc;
 677         u8 *qc;
 678         int hdr_len;
 679
 680         hdr_len = ieee80211_has_a4(fc) ? 32 : 26;
 681         data = skb_push(skb, IEEE80211_HT_CTL_LEN);
 682         memmove(data, data + IEEE80211_HT_CTL_LEN, hdr_len);
 683
 684         hdr = data;
 685         htc = data + hdr_len;
 686         hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_ORDER);
 687         *htc = rtwsta->htc_template ? rtwsta->htc_template :
 688                le32_encode_bits(RTW89_HTC_VARIANT_HE, RTW89_HTC_MASK_VARIANT) |
 689                le32_encode_bits(RTW89_HTC_VARIANT_HE_CID_CAS, RTW89_HTC_MASK_CTL_ID);
 690
 691         qc = data + hdr_len - IEEE80211_QOS_CTL_LEN;
 692         qc[0] |= IEEE80211_QOS_CTL_EOSP;
 693 }
 694
 695 static void
 696 rtw89_core_tx_update_he_qos_htc(struct rtw89_dev *rtwdev,
 697                                 struct rtw89_core_tx_request *tx_req,
 698                                 enum btc_pkt_type pkt_type)
 699 {
 700         struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
 701         struct ieee80211_vif *vif = tx_req->vif;
 702         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
 703
 704         if (!__rtw89_core_tx_check_he_qos_htc(rtwdev, tx_req, pkt_type))
 705                 goto desc_bk;
 706
 707         __rtw89_core_tx_adjust_he_qos_htc(rtwdev, tx_req);
 708
 709         desc_info->pkt_size += IEEE80211_HT_CTL_LEN;
 710         desc_info->a_ctrl_bsr = true;
 711
 712 desc_bk:
 713         if (!rtwvif || rtwvif->last_a_ctrl == desc_info->a_ctrl_bsr)
 714                 return;
 715
 716         rtwvif->last_a_ctrl = desc_info->a_ctrl_bsr;
 717         desc_info->bk = true;
 718 }
 719
 720 static u16 rtw89_core_get_data_rate(struct rtw89_dev *rtwdev,
 721                                     struct rtw89_core_tx_request *tx_req)
 722 {
 723         struct ieee80211_vif *vif = tx_req->vif;
 724         struct ieee80211_sta *sta = tx_req->sta;
 725         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
 726         struct rtw89_phy_rate_pattern *rate_pattern = &rtwvif->rate_pattern;
 727         enum rtw89_sub_entity_idx idx = rtwvif->sub_entity_idx;
 728         const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, idx);
 729         u16 lowest_rate;
 730
 731         if (rate_pattern->enable)
 732                 return rate_pattern->rate;
 733
 734         if (vif->p2p)
 735                 lowest_rate = RTW89_HW_RATE_OFDM6;
 736         else if (chan->band_type == RTW89_BAND_2G)
 737                 lowest_rate = RTW89_HW_RATE_CCK1;
 738         else
 739                 lowest_rate = RTW89_HW_RATE_OFDM6;
 740
 741         if (!sta || !sta->deflink.supp_rates[chan->band_type])
 742                 return lowest_rate;
 743
 744         return __ffs(sta->deflink.supp_rates[chan->band_type]) + lowest_rate;
 745 }
 746
 747 static void
 748 rtw89_core_tx_update_data_info(struct rtw89_dev *rtwdev,
 749                                struct rtw89_core_tx_request *tx_req)
 750 {
 751         struct ieee80211_vif *vif = tx_req->vif;
 752         struct ieee80211_sta *sta = tx_req->sta;
 753         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
 754         struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
 755         struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
 756         struct sk_buff *skb = tx_req->skb;
 757         u8 tid, tid_indicate;
 758         u8 qsel, ch_dma;
 759
 760         tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
 761         tid_indicate = rtw89_core_get_tid_indicate(rtwdev, tid);
 762         qsel = desc_info->hiq ? RTW89_TX_QSEL_B0_HI : rtw89_core_get_qsel(rtwdev, tid);
 763         ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel);
 764
 765         desc_info->ch_dma = ch_dma;
 766         desc_info->tid_indicate = tid_indicate;
 767         desc_info->qsel = qsel;
 768         desc_info->mac_id = rtw89_core_tx_get_mac_id(rtwdev, tx_req);
 769         desc_info->port = desc_info->hiq ? rtwvif->port : 0;
 770         desc_info->er_cap = rtwsta ? rtwsta->er_cap : false;
 771
 772         /* enable wd_info for AMPDU */
 773         desc_info->en_wd_info = true;
 774
 775         if (IEEE80211_SKB_CB(skb)->control.hw_key)
 776                 rtw89_core_tx_update_sec_key(rtwdev, tx_req);
 777
 778         desc_info->data_retry_lowest_rate = rtw89_core_get_data_rate(rtwdev, tx_req);
 779 }
 780
 781 static enum btc_pkt_type
 782 rtw89_core_tx_btc_spec_pkt_notify(struct rtw89_dev *rtwdev,
 783                                   struct rtw89_core_tx_request *tx_req)
 784 {
 785         struct sk_buff *skb = tx_req->skb;
 786         struct udphdr *udphdr;
 787
 788         if (IEEE80211_SKB_CB(skb)->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) {
 789                 ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.eapol_notify_work);
 790                 return PACKET_EAPOL;
 791         }
 792
 793         if (skb->protocol == htons(ETH_P_ARP)) {
 794                 ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.arp_notify_work);
 795                 return PACKET_ARP;
 796         }
 797
 798         if (skb->protocol == htons(ETH_P_IP) &&
 799             ip_hdr(skb)->protocol == IPPROTO_UDP) {
 800                 udphdr = udp_hdr(skb);
 801                 if (((udphdr->source == htons(67) && udphdr->dest == htons(68)) ||
 802                      (udphdr->source == htons(68) && udphdr->dest == htons(67))) &&
 803                     skb->len > 282) {
 804                         ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.dhcp_notify_work);
 805                         return PACKET_DHCP;
 806                 }
 807         }
 808
 809         if (skb->protocol == htons(ETH_P_IP) &&
 810             ip_hdr(skb)->protocol == IPPROTO_ICMP) {
 811                 ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.icmp_notify_work);
 812                 return PACKET_ICMP;
 813         }
 814
 815         return PACKET_MAX;
 816 }
 817
 818 static void rtw89_core_tx_update_llc_hdr(struct rtw89_dev *rtwdev,
 819                                          struct rtw89_tx_desc_info *desc_info,
 820                                          struct sk_buff *skb)
 821 {
 822         struct ieee80211_hdr *hdr = (void *)skb->data;
 823         __le16 fc = hdr->frame_control;
 824
 825         desc_info->hdr_llc_len = ieee80211_hdrlen(fc);
 826         desc_info->hdr_llc_len >>= 1; /* in unit of 2 bytes */
 827 }
 828
 829 static void
 830 rtw89_core_tx_wake(struct rtw89_dev *rtwdev,
 831                    struct rtw89_core_tx_request *tx_req)
 832 {
 833         const struct rtw89_chip_info *chip = rtwdev->chip;
 834
 835         if (!RTW89_CHK_FW_FEATURE(TX_WAKE, &rtwdev->fw))
 836                 return;
 837
 838         if (!test_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags))
 839                 return;
 840
 841         if (chip->chip_id != RTL8852C &&
 842             tx_req->tx_type != RTW89_CORE_TX_TYPE_MGMT)
 843                 return;
 844
 845         rtw89_mac_notify_wake(rtwdev);
 846 }
 847
 848 static void
 849 rtw89_core_tx_update_desc_info(struct rtw89_dev *rtwdev,
 850                                struct rtw89_core_tx_request *tx_req)
 851 {
 852         struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info;
 853         struct sk_buff *skb = tx_req->skb;
 854         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 855         struct ieee80211_hdr *hdr = (void *)skb->data;
 856         enum rtw89_core_tx_type tx_type;
 857         enum btc_pkt_type pkt_type;
 858         bool is_bmc;
 859         u16 seq;
 860
 861         seq = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 862         if (tx_req->tx_type != RTW89_CORE_TX_TYPE_FWCMD) {
 863                 tx_type = rtw89_core_get_tx_type(rtwdev, skb);
 864                 tx_req->tx_type = tx_type;
 865         }
 866         is_bmc = (is_broadcast_ether_addr(hdr->addr1) ||
 867                   is_multicast_ether_addr(hdr->addr1));
 868
 869         desc_info->seq = seq;
 870         desc_info->pkt_size = skb->len;
 871         desc_info->is_bmc = is_bmc;
 872         desc_info->wd_page = true;
 873         desc_info->hiq = info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM;
 874
 875         switch (tx_req->tx_type) {
 876         case RTW89_CORE_TX_TYPE_MGMT:
 877                 rtw89_core_tx_update_mgmt_info(rtwdev, tx_req);
 878                 break;
 879         case RTW89_CORE_TX_TYPE_DATA:
 880                 rtw89_core_tx_update_data_info(rtwdev, tx_req);
 881                 pkt_type = rtw89_core_tx_btc_spec_pkt_notify(rtwdev, tx_req);
 882                 rtw89_core_tx_update_he_qos_htc(rtwdev, tx_req, pkt_type);
 883                 rtw89_core_tx_update_ampdu_info(rtwdev, tx_req, pkt_type);
 884                 rtw89_core_tx_update_llc_hdr(rtwdev, desc_info, skb);
 885                 break;
 886         case RTW89_CORE_TX_TYPE_FWCMD:
 887                 rtw89_core_tx_update_h2c_info(rtwdev, tx_req);
 888                 break;
 889         }
 890 }
 891
 892 void rtw89_core_tx_kick_off(struct rtw89_dev *rtwdev, u8 qsel)
 893 {
 894         u8 ch_dma;
 895
 896         ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel);
 897
 898         rtw89_hci_tx_kick_off(rtwdev, ch_dma);
 899 }
 900
 901 int rtw89_core_tx_kick_off_and_wait(struct rtw89_dev *rtwdev, struct sk_buff *skb,
 902                                     int qsel, unsigned int timeout)
 903 {
 904         struct rtw89_tx_skb_data *skb_data = RTW89_TX_SKB_CB(skb);
 905         struct rtw89_tx_wait_info *wait;
 906         unsigned long time_left;
 907         int ret = 0;
 908
 909         wait = kzalloc(sizeof(*wait), GFP_KERNEL);
 910         if (!wait) {
 911                 rtw89_core_tx_kick_off(rtwdev, qsel);
 912                 return 0;
 913         }
 914
 915         init_completion(&wait->completion);
 916         rcu_assign_pointer(skb_data->wait, wait);
 917
 918         rtw89_core_tx_kick_off(rtwdev, qsel);
 919         time_left = wait_for_completion_timeout(&wait->completion,
 920                                                 msecs_to_jiffies(timeout));
 921         if (time_left == 0)
 922                 ret = -ETIMEDOUT;
 923         else if (!wait->tx_done)
 924                 ret = -EAGAIN;
 925
 926         rcu_assign_pointer(skb_data->wait, NULL);
 927         kfree_rcu(wait, rcu_head);
 928
 929         return ret;
 930 }
 931
 932 int rtw89_h2c_tx(struct rtw89_dev *rtwdev,
 933                  struct sk_buff *skb, bool fwdl)
 934 {
 935         struct rtw89_core_tx_request tx_req = {0};
 936         u32 cnt;
 937         int ret;
 938
 939         if (!test_bit(RTW89_FLAG_POWERON, rtwdev->flags)) {
 940                 rtw89_debug(rtwdev, RTW89_DBG_FW,
 941                             "ignore h2c due to power is off with firmware state=%d\n",
 942                             test_bit(RTW89_FLAG_FW_RDY, rtwdev->flags));
 943                 dev_kfree_skb(skb);
 944                 return 0;
 945         }
 946
 947         tx_req.skb = skb;
 948         tx_req.tx_type = RTW89_CORE_TX_TYPE_FWCMD;
 949         if (fwdl)
 950                 tx_req.desc_info.fw_dl = true;
 951
 952         rtw89_core_tx_update_desc_info(rtwdev, &tx_req);
 953
 954         if (!fwdl)
 955                 rtw89_hex_dump(rtwdev, RTW89_DBG_FW, "H2C: ", skb->data, skb->len);
 956
 957         cnt = rtw89_hci_check_and_reclaim_tx_resource(rtwdev, RTW89_TXCH_CH12);
 958         if (cnt == 0) {
 959                 rtw89_err(rtwdev, "no tx fwcmd resource\n");
 960                 return -ENOSPC;
 961         }
 962
 963         ret = rtw89_hci_tx_write(rtwdev, &tx_req);
 964         if (ret) {
 965                 rtw89_err(rtwdev, "failed to transmit skb to HCI\n");
 966                 return ret;
 967         }
 968         rtw89_hci_tx_kick_off(rtwdev, RTW89_TXCH_CH12);
 969
 970         return 0;
 971 }
 972
 973 int rtw89_core_tx_write(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif,
 974                         struct ieee80211_sta *sta, struct sk_buff *skb, int *qsel)
 975 {
 976         struct rtw89_core_tx_request tx_req = {0};
 977         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
 978         int ret;
 979
 980         tx_req.skb = skb;
 981         tx_req.sta = sta;
 982         tx_req.vif = vif;
 983
 984         rtw89_traffic_stats_accu(rtwdev, &rtwdev->stats, skb, true);
 985         rtw89_traffic_stats_accu(rtwdev, &rtwvif->stats, skb, true);
 986         rtw89_core_tx_update_desc_info(rtwdev, &tx_req);
 987         rtw89_core_tx_wake(rtwdev, &tx_req);
 988
 989         ret = rtw89_hci_tx_write(rtwdev, &tx_req);
 990         if (ret) {
 991                 rtw89_err(rtwdev, "failed to transmit skb to HCI\n");
 992                 return ret;
 993         }
 994
 995         if (qsel)
 996                 *qsel = tx_req.desc_info.qsel;
 997
 998         return 0;
 999 }
1000
1001 static __le32 rtw89_build_txwd_body0(struct rtw89_tx_desc_info *desc_info)
1002 {
1003         u32 dword = FIELD_PREP(RTW89_TXWD_BODY0_WP_OFFSET, desc_info->wp_offset) |
1004                     FIELD_PREP(RTW89_TXWD_BODY0_WD_INFO_EN, desc_info->en_wd_info) |
1005                     FIELD_PREP(RTW89_TXWD_BODY0_CHANNEL_DMA, desc_info->ch_dma) |
1006                     FIELD_PREP(RTW89_TXWD_BODY0_HDR_LLC_LEN, desc_info->hdr_llc_len) |
1007                     FIELD_PREP(RTW89_TXWD_BODY0_WD_PAGE, desc_info->wd_page) |
1008                     FIELD_PREP(RTW89_TXWD_BODY0_FW_DL, desc_info->fw_dl) |
1009                     FIELD_PREP(RTW89_TXWD_BODY0_HW_SSN_SEL, desc_info->hw_ssn_sel) |
1010                     FIELD_PREP(RTW89_TXWD_BODY0_HW_SSN_MODE, desc_info->hw_seq_mode);
1011
1012         return cpu_to_le32(dword);
1013 }
1014
1015 static __le32 rtw89_build_txwd_body0_v1(struct rtw89_tx_desc_info *desc_info)
1016 {
1017         u32 dword = FIELD_PREP(RTW89_TXWD_BODY0_WP_OFFSET_V1, desc_info->wp_offset) |
1018                     FIELD_PREP(RTW89_TXWD_BODY0_WD_INFO_EN, desc_info->en_wd_info) |
1019                     FIELD_PREP(RTW89_TXWD_BODY0_CHANNEL_DMA, desc_info->ch_dma) |
1020                     FIELD_PREP(RTW89_TXWD_BODY0_HDR_LLC_LEN, desc_info->hdr_llc_len) |
1021                     FIELD_PREP(RTW89_TXWD_BODY0_WD_PAGE, desc_info->wd_page) |
1022                     FIELD_PREP(RTW89_TXWD_BODY0_FW_DL, desc_info->fw_dl);
1023
1024         return cpu_to_le32(dword);
1025 }
1026
1027 static __le32 rtw89_build_txwd_body1_v1(struct rtw89_tx_desc_info *desc_info)
1028 {
1029         u32 dword = FIELD_PREP(RTW89_TXWD_BODY1_ADDR_INFO_NUM, desc_info->addr_info_nr) |
1030                     FIELD_PREP(RTW89_TXWD_BODY1_SEC_KEYID, desc_info->sec_keyid) |
1031                     FIELD_PREP(RTW89_TXWD_BODY1_SEC_TYPE, desc_info->sec_type);
1032
1033         return cpu_to_le32(dword);
1034 }
1035
1036 static __le32 rtw89_build_txwd_body2(struct rtw89_tx_desc_info *desc_info)
1037 {
1038         u32 dword = FIELD_PREP(RTW89_TXWD_BODY2_TID_INDICATE, desc_info->tid_indicate) |
1039                     FIELD_PREP(RTW89_TXWD_BODY2_QSEL, desc_info->qsel) |
1040                     FIELD_PREP(RTW89_TXWD_BODY2_TXPKT_SIZE, desc_info->pkt_size) |
1041                     FIELD_PREP(RTW89_TXWD_BODY2_MACID, desc_info->mac_id);
1042
1043         return cpu_to_le32(dword);
1044 }
1045
1046 static __le32 rtw89_build_txwd_body3(struct rtw89_tx_desc_info *desc_info)
1047 {
1048         u32 dword = FIELD_PREP(RTW89_TXWD_BODY3_SW_SEQ, desc_info->seq) |
1049                     FIELD_PREP(RTW89_TXWD_BODY3_AGG_EN, desc_info->agg_en) |
1050                     FIELD_PREP(RTW89_TXWD_BODY3_BK, desc_info->bk);
1051
1052         return cpu_to_le32(dword);
1053 }
1054
1055 static __le32 rtw89_build_txwd_body4(struct rtw89_tx_desc_info *desc_info)
1056 {
1057         u32 dword = FIELD_PREP(RTW89_TXWD_BODY4_SEC_IV_L0, desc_info->sec_seq[0]) |
1058                     FIELD_PREP(RTW89_TXWD_BODY4_SEC_IV_L1, desc_info->sec_seq[1]);
1059
1060         return cpu_to_le32(dword);
1061 }
1062
1063 static __le32 rtw89_build_txwd_body5(struct rtw89_tx_desc_info *desc_info)
1064 {
1065         u32 dword = FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H2, desc_info->sec_seq[2]) |
1066                     FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H3, desc_info->sec_seq[3]) |
1067                     FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H4, desc_info->sec_seq[4]) |
1068                     FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H5, desc_info->sec_seq[5]);
1069
1070         return cpu_to_le32(dword);
1071 }
1072
1073 static __le32 rtw89_build_txwd_body7_v1(struct rtw89_tx_desc_info *desc_info)
1074 {
1075         u32 dword = FIELD_PREP(RTW89_TXWD_BODY7_USE_RATE_V1, desc_info->use_rate) |
1076                     FIELD_PREP(RTW89_TXWD_BODY7_DATA_RATE, desc_info->data_rate);
1077
1078         return cpu_to_le32(dword);
1079 }
1080
1081 static __le32 rtw89_build_txwd_info0(struct rtw89_tx_desc_info *desc_info)
1082 {
1083         u32 dword = FIELD_PREP(RTW89_TXWD_INFO0_USE_RATE, desc_info->use_rate) |
1084                     FIELD_PREP(RTW89_TXWD_INFO0_DATA_RATE, desc_info->data_rate) |
1085                     FIELD_PREP(RTW89_TXWD_INFO0_DISDATAFB, desc_info->dis_data_fb) |
1086                     FIELD_PREP(RTW89_TXWD_INFO0_MULTIPORT_ID, desc_info->port);
1087
1088         return cpu_to_le32(dword);
1089 }
1090
1091 static __le32 rtw89_build_txwd_info0_v1(struct rtw89_tx_desc_info *desc_info)
1092 {
1093         u32 dword = FIELD_PREP(RTW89_TXWD_INFO0_DISDATAFB, desc_info->dis_data_fb) |
1094                     FIELD_PREP(RTW89_TXWD_INFO0_MULTIPORT_ID, desc_info->port) |
1095                     FIELD_PREP(RTW89_TXWD_INFO0_DATA_ER, desc_info->er_cap) |
1096                     FIELD_PREP(RTW89_TXWD_INFO0_DATA_BW_ER, 0);
1097
1098         return cpu_to_le32(dword);
1099 }
1100
1101 static __le32 rtw89_build_txwd_info1(struct rtw89_tx_desc_info *desc_info)
1102 {
1103         u32 dword = FIELD_PREP(RTW89_TXWD_INFO1_MAX_AGGNUM, desc_info->ampdu_num) |
1104                     FIELD_PREP(RTW89_TXWD_INFO1_A_CTRL_BSR, desc_info->a_ctrl_bsr) |
1105                     FIELD_PREP(RTW89_TXWD_INFO1_DATA_RTY_LOWEST_RATE,
1106                                desc_info->data_retry_lowest_rate);
1107
1108         return cpu_to_le32(dword);
1109 }
1110
1111 static __le32 rtw89_build_txwd_info2(struct rtw89_tx_desc_info *desc_info)
1112 {
1113         u32 dword = FIELD_PREP(RTW89_TXWD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) |
1114                     FIELD_PREP(RTW89_TXWD_INFO2_SEC_TYPE, desc_info->sec_type) |
1115                     FIELD_PREP(RTW89_TXWD_INFO2_SEC_HW_ENC, desc_info->sec_en) |
1116                     FIELD_PREP(RTW89_TXWD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx);
1117
1118         return cpu_to_le32(dword);
1119 }
1120
1121 static __le32 rtw89_build_txwd_info2_v1(struct rtw89_tx_desc_info *desc_info)
1122 {
1123         u32 dword = FIELD_PREP(RTW89_TXWD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) |
1124                     FIELD_PREP(RTW89_TXWD_INFO2_FORCE_KEY_EN, desc_info->sec_en) |
1125                     FIELD_PREP(RTW89_TXWD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx);
1126
1127         return cpu_to_le32(dword);
1128 }
1129
1130 static __le32 rtw89_build_txwd_info4(struct rtw89_tx_desc_info *desc_info)
1131 {
1132         u32 dword = FIELD_PREP(RTW89_TXWD_INFO4_RTS_EN, 1) |
1133                     FIELD_PREP(RTW89_TXWD_INFO4_HW_RTS_EN, 1);
1134
1135         return cpu_to_le32(dword);
1136 }
1137
1138 void rtw89_core_fill_txdesc(struct rtw89_dev *rtwdev,
1139                             struct rtw89_tx_desc_info *desc_info,
1140                             void *txdesc)
1141 {
1142         struct rtw89_txwd_body *txwd_body = (struct rtw89_txwd_body *)txdesc;
1143         struct rtw89_txwd_info *txwd_info;
1144
1145         txwd_body->dword0 = rtw89_build_txwd_body0(desc_info);
1146         txwd_body->dword2 = rtw89_build_txwd_body2(desc_info);
1147         txwd_body->dword3 = rtw89_build_txwd_body3(desc_info);
1148
1149         if (!desc_info->en_wd_info)
1150                 return;
1151
1152         txwd_info = (struct rtw89_txwd_info *)(txwd_body + 1);
1153         txwd_info->dword0 = rtw89_build_txwd_info0(desc_info);
1154         txwd_info->dword1 = rtw89_build_txwd_info1(desc_info);
1155         txwd_info->dword2 = rtw89_build_txwd_info2(desc_info);
1156         txwd_info->dword4 = rtw89_build_txwd_info4(desc_info);
1157
1158 }
1159 EXPORT_SYMBOL(rtw89_core_fill_txdesc);
1160
1161 void rtw89_core_fill_txdesc_v1(struct rtw89_dev *rtwdev,
1162                                struct rtw89_tx_desc_info *desc_info,
1163                                void *txdesc)
1164 {
1165         struct rtw89_txwd_body_v1 *txwd_body = (struct rtw89_txwd_body_v1 *)txdesc;
1166         struct rtw89_txwd_info *txwd_info;
1167
1168         txwd_body->dword0 = rtw89_build_txwd_body0_v1(desc_info);
1169         txwd_body->dword1 = rtw89_build_txwd_body1_v1(desc_info);
1170         txwd_body->dword2 = rtw89_build_txwd_body2(desc_info);
1171         txwd_body->dword3 = rtw89_build_txwd_body3(desc_info);
1172         if (desc_info->sec_en) {
1173                 txwd_body->dword4 = rtw89_build_txwd_body4(desc_info);
1174                 txwd_body->dword5 = rtw89_build_txwd_body5(desc_info);
1175         }
1176         txwd_body->dword7 = rtw89_build_txwd_body7_v1(desc_info);
1177
1178         if (!desc_info->en_wd_info)
1179                 return;
1180
1181         txwd_info = (struct rtw89_txwd_info *)(txwd_body + 1);
1182         txwd_info->dword0 = rtw89_build_txwd_info0_v1(desc_info);
1183         txwd_info->dword1 = rtw89_build_txwd_info1(desc_info);
1184         txwd_info->dword2 = rtw89_build_txwd_info2_v1(desc_info);
1185         txwd_info->dword4 = rtw89_build_txwd_info4(desc_info);
1186 }
1187 EXPORT_SYMBOL(rtw89_core_fill_txdesc_v1);
1188
1189 static __le32 rtw89_build_txwd_fwcmd0_v1(struct rtw89_tx_desc_info *desc_info)
1190 {
1191         u32 dword = FIELD_PREP(AX_RXD_RPKT_LEN_MASK, desc_info->pkt_size) |
1192                     FIELD_PREP(AX_RXD_RPKT_TYPE_MASK, desc_info->fw_dl ?
1193                                                       RTW89_CORE_RX_TYPE_FWDL :
1194                                                       RTW89_CORE_RX_TYPE_H2C);
1195
1196         return cpu_to_le32(dword);
1197 }
1198
1199 void rtw89_core_fill_txdesc_fwcmd_v1(struct rtw89_dev *rtwdev,
1200                                      struct rtw89_tx_desc_info *desc_info,
1201                                      void *txdesc)
1202 {
1203         struct rtw89_rxdesc_short *txwd_v1 = (struct rtw89_rxdesc_short *)txdesc;
1204
1205         txwd_v1->dword0 = rtw89_build_txwd_fwcmd0_v1(desc_info);
1206 }
1207 EXPORT_SYMBOL(rtw89_core_fill_txdesc_fwcmd_v1);
1208
1209 static int rtw89_core_rx_process_mac_ppdu(struct rtw89_dev *rtwdev,
1210                                           struct sk_buff *skb,
1211                                           struct rtw89_rx_phy_ppdu *phy_ppdu)
1212 {
1213         bool rx_cnt_valid = false;
1214         u8 plcp_size = 0;
1215         u8 usr_num = 0;
1216         u8 *phy_sts;
1217
1218         rx_cnt_valid = RTW89_GET_RXINFO_RX_CNT_VLD(skb->data);
1219         plcp_size = RTW89_GET_RXINFO_PLCP_LEN(skb->data) << 3;
1220         usr_num = RTW89_GET_RXINFO_USR_NUM(skb->data);
1221         if (usr_num > RTW89_PPDU_MAX_USR) {
1222                 rtw89_warn(rtwdev, "Invalid user number in mac info\n");
1223                 return -EINVAL;
1224         }
1225
1226         phy_sts = skb->data + RTW89_PPDU_MAC_INFO_SIZE;
1227         phy_sts += usr_num * RTW89_PPDU_MAC_INFO_USR_SIZE;
1228         /* 8-byte alignment */
1229         if (usr_num & BIT(0))
1230                 phy_sts += RTW89_PPDU_MAC_INFO_USR_SIZE;
1231         if (rx_cnt_valid)
1232                 phy_sts += RTW89_PPDU_MAC_RX_CNT_SIZE;
1233         phy_sts += plcp_size;
1234
1235         phy_ppdu->buf = phy_sts;
1236         phy_ppdu->len = skb->data + skb->len - phy_sts;
1237
1238         return 0;
1239 }
1240
1241 static void rtw89_core_rx_process_phy_ppdu_iter(void *data,
1242                                                 struct ieee80211_sta *sta)
1243 {
1244         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
1245         struct rtw89_rx_phy_ppdu *phy_ppdu = (struct rtw89_rx_phy_ppdu *)data;
1246         struct rtw89_dev *rtwdev = rtwsta->rtwdev;
1247         int i;
1248
1249         if (rtwsta->mac_id == phy_ppdu->mac_id && phy_ppdu->to_self) {
1250                 ewma_rssi_add(&rtwsta->avg_rssi, phy_ppdu->rssi_avg);
1251                 for (i = 0; i < rtwdev->chip->rf_path_num; i++)
1252                         ewma_rssi_add(&rtwsta->rssi[i], phy_ppdu->rssi[i]);
1253         }
1254 }
1255
1256 #define VAR_LEN 0xff
1257 #define VAR_LEN_UNIT 8
1258 static u16 rtw89_core_get_phy_status_ie_len(struct rtw89_dev *rtwdev, u8 *addr)
1259 {
1260         static const u8 physts_ie_len_tab[32] = {
1261                 16, 32, 24, 24, 8, 8, 8, 8, VAR_LEN, 8, VAR_LEN, 176, VAR_LEN,
1262                 VAR_LEN, VAR_LEN, VAR_LEN, VAR_LEN, VAR_LEN, 16, 24, VAR_LEN,
1263                 VAR_LEN, VAR_LEN, 0, 24, 24, 24, 24, 32, 32, 32, 32
1264         };
1265         u16 ie_len;
1266         u8 ie;
1267
1268         ie = RTW89_GET_PHY_STS_IE_TYPE(addr);
1269         if (physts_ie_len_tab[ie] != VAR_LEN)
1270                 ie_len = physts_ie_len_tab[ie];
1271         else
1272                 ie_len = RTW89_GET_PHY_STS_IE_LEN(addr) * VAR_LEN_UNIT;
1273
1274         return ie_len;
1275 }
1276
1277 static void rtw89_core_parse_phy_status_ie01(struct rtw89_dev *rtwdev, u8 *addr,
1278                                              struct rtw89_rx_phy_ppdu *phy_ppdu)
1279 {
1280         s16 cfo;
1281
1282         phy_ppdu->chan_idx = RTW89_GET_PHY_STS_IE01_CH_IDX(addr);
1283         if (phy_ppdu->rate < RTW89_HW_RATE_OFDM6)
1284                 return;
1285
1286         if (!phy_ppdu->to_self)
1287                 return;
1288
1289         /* sign conversion for S(12,2) */
1290         if (rtwdev->chip->cfo_src_fd)
1291                 cfo = sign_extend32(RTW89_GET_PHY_STS_IE01_FD_CFO(addr), 11);
1292         else
1293                 cfo = sign_extend32(RTW89_GET_PHY_STS_IE01_PREMB_CFO(addr), 11);
1294
1295         rtw89_phy_cfo_parse(rtwdev, cfo, phy_ppdu);
1296 }
1297
1298 static int rtw89_core_process_phy_status_ie(struct rtw89_dev *rtwdev, u8 *addr,
1299                                             struct rtw89_rx_phy_ppdu *phy_ppdu)
1300 {
1301         u8 ie;
1302
1303         ie = RTW89_GET_PHY_STS_IE_TYPE(addr);
1304         switch (ie) {
1305         case RTW89_PHYSTS_IE01_CMN_OFDM:
1306                 rtw89_core_parse_phy_status_ie01(rtwdev, addr, phy_ppdu);
1307                 break;
1308         default:
1309                 break;
1310         }
1311
1312         return 0;
1313 }
1314
1315 static void rtw89_core_update_phy_ppdu(struct rtw89_rx_phy_ppdu *phy_ppdu)
1316 {
1317         u8 *rssi = phy_ppdu->rssi;
1318         u8 *buf = phy_ppdu->buf;
1319
1320         phy_ppdu->ie = RTW89_GET_PHY_STS_IE_MAP(buf);
1321         phy_ppdu->rssi_avg = RTW89_GET_PHY_STS_RSSI_AVG(buf);
1322         rssi[RF_PATH_A] = RTW89_GET_PHY_STS_RSSI_A(buf);
1323         rssi[RF_PATH_B] = RTW89_GET_PHY_STS_RSSI_B(buf);
1324         rssi[RF_PATH_C] = RTW89_GET_PHY_STS_RSSI_C(buf);
1325         rssi[RF_PATH_D] = RTW89_GET_PHY_STS_RSSI_D(buf);
1326 }
1327
1328 static int rtw89_core_rx_process_phy_ppdu(struct rtw89_dev *rtwdev,
1329                                           struct rtw89_rx_phy_ppdu *phy_ppdu)
1330 {
1331         if (RTW89_GET_PHY_STS_LEN(phy_ppdu->buf) << 3 != phy_ppdu->len) {
1332                 rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "phy ppdu len mismatch\n");
1333                 return -EINVAL;
1334         }
1335         rtw89_core_update_phy_ppdu(phy_ppdu);
1336         ieee80211_iterate_stations_atomic(rtwdev->hw,
1337                                           rtw89_core_rx_process_phy_ppdu_iter,
1338                                           phy_ppdu);
1339
1340         return 0;
1341 }
1342
1343 static int rtw89_core_rx_parse_phy_sts(struct rtw89_dev *rtwdev,
1344                                        struct rtw89_rx_phy_ppdu *phy_ppdu)
1345 {
1346         u16 ie_len;
1347         u8 *pos, *end;
1348
1349         /* mark invalid reports and bypass them */
1350         if (phy_ppdu->ie < RTW89_CCK_PKT)
1351                 return -EINVAL;
1352
1353         pos = (u8 *)phy_ppdu->buf + PHY_STS_HDR_LEN;
1354         end = (u8 *)phy_ppdu->buf + phy_ppdu->len;
1355         while (pos < end) {
1356                 ie_len = rtw89_core_get_phy_status_ie_len(rtwdev, pos);
1357                 rtw89_core_process_phy_status_ie(rtwdev, pos, phy_ppdu);
1358                 pos += ie_len;
1359                 if (pos > end || ie_len == 0) {
1360                         rtw89_debug(rtwdev, RTW89_DBG_TXRX,
1361                                     "phy status parse failed\n");
1362                         return -EINVAL;
1363                 }
1364         }
1365
1366         return 0;
1367 }
1368
1369 static void rtw89_core_rx_process_phy_sts(struct rtw89_dev *rtwdev,
1370                                           struct rtw89_rx_phy_ppdu *phy_ppdu)
1371 {
1372         int ret;
1373
1374         ret = rtw89_core_rx_parse_phy_sts(rtwdev, phy_ppdu);
1375         if (ret)
1376                 rtw89_debug(rtwdev, RTW89_DBG_TXRX, "parse phy sts failed\n");
1377         else
1378                 phy_ppdu->valid = true;
1379 }
1380
1381 static u8 rtw89_rxdesc_to_nl_he_gi(struct rtw89_dev *rtwdev,
1382                                    const struct rtw89_rx_desc_info *desc_info,
1383                                    bool rx_status)
1384 {
1385         switch (desc_info->gi_ltf) {
1386         case RTW89_GILTF_SGI_4XHE08:
1387         case RTW89_GILTF_2XHE08:
1388         case RTW89_GILTF_1XHE08:
1389                 return NL80211_RATE_INFO_HE_GI_0_8;
1390         case RTW89_GILTF_2XHE16:
1391         case RTW89_GILTF_1XHE16:
1392                 return NL80211_RATE_INFO_HE_GI_1_6;
1393         case RTW89_GILTF_LGI_4XHE32:
1394                 return NL80211_RATE_INFO_HE_GI_3_2;
1395         default:
1396                 rtw89_warn(rtwdev, "invalid gi_ltf=%d", desc_info->gi_ltf);
1397                 return rx_status ? NL80211_RATE_INFO_HE_GI_3_2 : U8_MAX;
1398         }
1399 }
1400
1401 static bool rtw89_core_rx_ppdu_match(struct rtw89_dev *rtwdev,
1402                                      struct rtw89_rx_desc_info *desc_info,
1403                                      struct ieee80211_rx_status *status)
1404 {
1405         u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0;
1406         u8 data_rate_mode, bw, rate_idx = MASKBYTE0, gi_ltf;
1407         u16 data_rate;
1408         bool ret;
1409
1410         data_rate = desc_info->data_rate;
1411         data_rate_mode = GET_DATA_RATE_MODE(data_rate);
1412         if (data_rate_mode == DATA_RATE_MODE_NON_HT) {
1413                 rate_idx = GET_DATA_RATE_NOT_HT_IDX(data_rate);
1414                 /* rate_idx is still hardware value here */
1415         } else if (data_rate_mode == DATA_RATE_MODE_HT) {
1416                 rate_idx = GET_DATA_RATE_HT_IDX(data_rate);
1417         } else if (data_rate_mode == DATA_RATE_MODE_VHT) {
1418                 rate_idx = GET_DATA_RATE_VHT_HE_IDX(data_rate);
1419         } else if (data_rate_mode == DATA_RATE_MODE_HE) {
1420                 rate_idx = GET_DATA_RATE_VHT_HE_IDX(data_rate);
1421         } else {
1422                 rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode);
1423         }
1424
1425         bw = rtw89_hw_to_rate_info_bw(desc_info->bw);
1426         gi_ltf = rtw89_rxdesc_to_nl_he_gi(rtwdev, desc_info, false);
1427         ret = rtwdev->ppdu_sts.curr_rx_ppdu_cnt[band] == desc_info->ppdu_cnt &&
1428               status->rate_idx == rate_idx &&
1429               status->he_gi == gi_ltf &&
1430               status->bw == bw;
1431
1432         return ret;
1433 }
1434
1435 struct rtw89_vif_rx_stats_iter_data {
1436         struct rtw89_dev *rtwdev;
1437         struct rtw89_rx_phy_ppdu *phy_ppdu;
1438         struct rtw89_rx_desc_info *desc_info;
1439         struct sk_buff *skb;
1440         const u8 *bssid;
1441 };
1442
1443 static void rtw89_stats_trigger_frame(struct rtw89_dev *rtwdev,
1444                                       struct ieee80211_vif *vif,
1445                                       struct sk_buff *skb)
1446 {
1447         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
1448         struct ieee80211_trigger *tf = (struct ieee80211_trigger *)skb->data;
1449         u8 *pos, *end, type;
1450         u16 aid;
1451
1452         if (!ether_addr_equal(vif->bss_conf.bssid, tf->ta) ||
1453             rtwvif->wifi_role != RTW89_WIFI_ROLE_STATION ||
1454             rtwvif->net_type == RTW89_NET_TYPE_NO_LINK)
1455                 return;
1456
1457         type = le64_get_bits(tf->common_info, IEEE80211_TRIGGER_TYPE_MASK);
1458         if (type != IEEE80211_TRIGGER_TYPE_BASIC)
1459                 return;
1460
1461         end = (u8 *)tf + skb->len;
1462         pos = tf->variable;
1463
1464         while (end - pos >= RTW89_TF_BASIC_USER_INFO_SZ) {
1465                 aid = RTW89_GET_TF_USER_INFO_AID12(pos);
1466                 rtw89_debug(rtwdev, RTW89_DBG_TXRX,
1467                             "[TF] aid: %d, ul_mcs: %d, rua: %d\n",
1468                             aid, RTW89_GET_TF_USER_INFO_UL_MCS(pos),
1469                             RTW89_GET_TF_USER_INFO_RUA(pos));
1470
1471                 if (aid == RTW89_TF_PAD)
1472                         break;
1473
1474                 if (aid == vif->cfg.aid) {
1475                         rtwvif->stats.rx_tf_acc++;
1476                         rtwdev->stats.rx_tf_acc++;
1477                         break;
1478                 }
1479
1480                 pos += RTW89_TF_BASIC_USER_INFO_SZ;
1481         }
1482 }
1483
1484 static void rtw89_core_cancel_6ghz_probe_tx(struct rtw89_dev *rtwdev,
1485                                             struct sk_buff *skb)
1486 {
1487         struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
1488         struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
1489         struct list_head *pkt_list = rtwdev->scan_info.pkt_list;
1490         struct rtw89_pktofld_info *info;
1491         const u8 *ies = mgmt->u.beacon.variable, *ssid_ie;
1492
1493         if (rx_status->band != NL80211_BAND_6GHZ)
1494                 return;
1495
1496         ssid_ie = cfg80211_find_ie(WLAN_EID_SSID, ies, skb->len);
1497
1498         list_for_each_entry(info, &pkt_list[NL80211_BAND_6GHZ], list) {
1499                 if (ether_addr_equal(info->bssid, mgmt->bssid)) {
1500                         rtw89_fw_h2c_del_pkt_offload(rtwdev, info->id);
1501                         continue;
1502                 }
1503
1504                 if (!ssid_ie || ssid_ie[1] != info->ssid_len || info->ssid_len == 0)
1505                         continue;
1506
1507                 if (memcmp(&ssid_ie[2], info->ssid, info->ssid_len) == 0)
1508                         rtw89_fw_h2c_del_pkt_offload(rtwdev, info->id);
1509         }
1510 }
1511
1512 static void rtw89_vif_rx_stats_iter(void *data, u8 *mac,
1513                                     struct ieee80211_vif *vif)
1514 {
1515         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
1516         struct rtw89_vif_rx_stats_iter_data *iter_data = data;
1517         struct rtw89_dev *rtwdev = iter_data->rtwdev;
1518         struct rtw89_pkt_stat *pkt_stat = &rtwdev->phystat.cur_pkt_stat;
1519         struct rtw89_rx_desc_info *desc_info = iter_data->desc_info;
1520         struct sk_buff *skb = iter_data->skb;
1521         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1522         struct rtw89_rx_phy_ppdu *phy_ppdu = iter_data->phy_ppdu;
1523         const u8 *bssid = iter_data->bssid;
1524
1525         if (rtwdev->scanning &&
1526             (ieee80211_is_beacon(hdr->frame_control) ||
1527              ieee80211_is_probe_resp(hdr->frame_control)))
1528                 rtw89_core_cancel_6ghz_probe_tx(rtwdev, skb);
1529
1530         if (!vif->bss_conf.bssid)
1531                 return;
1532
1533         if (ieee80211_is_trigger(hdr->frame_control)) {
1534                 rtw89_stats_trigger_frame(rtwdev, vif, skb);
1535                 return;
1536         }
1537
1538         if (!ether_addr_equal(vif->bss_conf.bssid, bssid))
1539                 return;
1540
1541         if (ieee80211_is_beacon(hdr->frame_control)) {
1542                 if (vif->type == NL80211_IFTYPE_STATION)
1543                         rtw89_fw_h2c_rssi_offload(rtwdev, phy_ppdu);
1544                 pkt_stat->beacon_nr++;
1545         }
1546
1547         if (!ether_addr_equal(vif->addr, hdr->addr1))
1548                 return;
1549
1550         if (desc_info->data_rate < RTW89_HW_RATE_NR)
1551                 pkt_stat->rx_rate_cnt[desc_info->data_rate]++;
1552
1553         rtw89_traffic_stats_accu(rtwdev, &rtwvif->stats, skb, false);
1554 }
1555
1556 static void rtw89_core_rx_stats(struct rtw89_dev *rtwdev,
1557                                 struct rtw89_rx_phy_ppdu *phy_ppdu,
1558                                 struct rtw89_rx_desc_info *desc_info,
1559                                 struct sk_buff *skb)
1560 {
1561         struct rtw89_vif_rx_stats_iter_data iter_data;
1562
1563         rtw89_traffic_stats_accu(rtwdev, &rtwdev->stats, skb, false);
1564
1565         iter_data.rtwdev = rtwdev;
1566         iter_data.phy_ppdu = phy_ppdu;
1567         iter_data.desc_info = desc_info;
1568         iter_data.skb = skb;
1569         iter_data.bssid = get_hdr_bssid((struct ieee80211_hdr *)skb->data);
1570         rtw89_iterate_vifs_bh(rtwdev, rtw89_vif_rx_stats_iter, &iter_data);
1571 }
1572
1573 static void rtw89_correct_cck_chan(struct rtw89_dev *rtwdev,
1574                                    struct ieee80211_rx_status *status)
1575 {
1576         const struct rtw89_chan_rcd *rcd =
1577                 rtw89_chan_rcd_get(rtwdev, RTW89_SUB_ENTITY_0);
1578         u16 chan = rcd->prev_primary_channel;
1579         u8 band = rcd->prev_band_type == RTW89_BAND_2G ?
1580                   NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
1581
1582         if (status->band != NL80211_BAND_2GHZ &&
1583             status->encoding == RX_ENC_LEGACY &&
1584             status->rate_idx < RTW89_HW_RATE_OFDM6) {
1585                 status->freq = ieee80211_channel_to_frequency(chan, band);
1586                 status->band = band;
1587         }
1588 }
1589
1590 static void rtw89_core_hw_to_sband_rate(struct ieee80211_rx_status *rx_status)
1591 {
1592         if (rx_status->band == NL80211_BAND_2GHZ ||
1593             rx_status->encoding != RX_ENC_LEGACY)
1594                 return;
1595
1596         /* Some control frames' freq(ACKs in this case) are reported wrong due
1597          * to FW notify timing, set to lowest rate to prevent overflow.
1598          */
1599         if (rx_status->rate_idx < RTW89_HW_RATE_OFDM6) {
1600                 rx_status->rate_idx = 0;
1601                 return;
1602         }
1603
1604         /* No 4 CCK rates for non-2G */
1605         rx_status->rate_idx -= 4;
1606 }
1607
1608 static void rtw89_core_update_radiotap(struct rtw89_dev *rtwdev,
1609                                        struct sk_buff *skb,
1610                                        struct ieee80211_rx_status *rx_status)
1611 {
1612         static const struct ieee80211_radiotap_he known_he = {
1613                 .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
1614                                      IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN),
1615                 .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN),
1616         };
1617         struct ieee80211_radiotap_he *he;
1618
1619         if (!(rtwdev->hw->conf.flags & IEEE80211_CONF_MONITOR))
1620                 return;
1621
1622         if (rx_status->encoding == RX_ENC_HE) {
1623                 rx_status->flag |= RX_FLAG_RADIOTAP_HE;
1624                 he = skb_push(skb, sizeof(*he));
1625                 *he = known_he;
1626         }
1627 }
1628
1629 static void rtw89_core_rx_to_mac80211(struct rtw89_dev *rtwdev,
1630                                       struct rtw89_rx_phy_ppdu *phy_ppdu,
1631                                       struct rtw89_rx_desc_info *desc_info,
1632                                       struct sk_buff *skb_ppdu,
1633                                       struct ieee80211_rx_status *rx_status)
1634 {
1635         struct napi_struct *napi = &rtwdev->napi;
1636
1637         /* In low power mode, napi isn't scheduled. Receive it to netif. */
1638         if (unlikely(!test_bit(NAPI_STATE_SCHED, &napi->state)))
1639                 napi = NULL;
1640
1641         rtw89_core_hw_to_sband_rate(rx_status);
1642         rtw89_core_rx_stats(rtwdev, phy_ppdu, desc_info, skb_ppdu);
1643         rtw89_core_update_radiotap(rtwdev, skb_ppdu, rx_status);
1644         /* In low power mode, it does RX in thread context. */
1645         local_bh_disable();
1646         ieee80211_rx_napi(rtwdev->hw, NULL, skb_ppdu, napi);
1647         local_bh_enable();
1648         rtwdev->napi_budget_countdown--;
1649 }
1650
1651 static void rtw89_core_rx_pending_skb(struct rtw89_dev *rtwdev,
1652                                       struct rtw89_rx_phy_ppdu *phy_ppdu,
1653                                       struct rtw89_rx_desc_info *desc_info,
1654                                       struct sk_buff *skb)
1655 {
1656         u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0;
1657         int curr = rtwdev->ppdu_sts.curr_rx_ppdu_cnt[band];
1658         struct sk_buff *skb_ppdu = NULL, *tmp;
1659         struct ieee80211_rx_status *rx_status;
1660
1661         if (curr > RTW89_MAX_PPDU_CNT)
1662                 return;
1663
1664         skb_queue_walk_safe(&rtwdev->ppdu_sts.rx_queue[band], skb_ppdu, tmp) {
1665                 skb_unlink(skb_ppdu, &rtwdev->ppdu_sts.rx_queue[band]);
1666                 rx_status = IEEE80211_SKB_RXCB(skb_ppdu);
1667                 if (rtw89_core_rx_ppdu_match(rtwdev, desc_info, rx_status))
1668                         rtw89_chip_query_ppdu(rtwdev, phy_ppdu, rx_status);
1669                 rtw89_correct_cck_chan(rtwdev, rx_status);
1670                 rtw89_core_rx_to_mac80211(rtwdev, phy_ppdu, desc_info, skb_ppdu, rx_status);
1671         }
1672 }
1673
1674 static void rtw89_core_rx_process_ppdu_sts(struct rtw89_dev *rtwdev,
1675                                            struct rtw89_rx_desc_info *desc_info,
1676                                            struct sk_buff *skb)
1677 {
1678         struct rtw89_rx_phy_ppdu phy_ppdu = {.buf = skb->data, .valid = false,
1679                                              .len = skb->len,
1680                                              .to_self = desc_info->addr1_match,
1681                                              .rate = desc_info->data_rate,
1682                                              .mac_id = desc_info->mac_id};
1683         int ret;
1684
1685         if (desc_info->mac_info_valid)
1686                 rtw89_core_rx_process_mac_ppdu(rtwdev, skb, &phy_ppdu);
1687         ret = rtw89_core_rx_process_phy_ppdu(rtwdev, &phy_ppdu);
1688         if (ret)
1689                 rtw89_debug(rtwdev, RTW89_DBG_TXRX, "process ppdu failed\n");
1690
1691         rtw89_core_rx_process_phy_sts(rtwdev, &phy_ppdu);
1692         rtw89_core_rx_pending_skb(rtwdev, &phy_ppdu, desc_info, skb);
1693         dev_kfree_skb_any(skb);
1694 }
1695
1696 static void rtw89_core_rx_process_report(struct rtw89_dev *rtwdev,
1697                                          struct rtw89_rx_desc_info *desc_info,
1698                                          struct sk_buff *skb)
1699 {
1700         switch (desc_info->pkt_type) {
1701         case RTW89_CORE_RX_TYPE_C2H:
1702                 rtw89_fw_c2h_irqsafe(rtwdev, skb);
1703                 break;
1704         case RTW89_CORE_RX_TYPE_PPDU_STAT:
1705                 rtw89_core_rx_process_ppdu_sts(rtwdev, desc_info, skb);
1706                 break;
1707         default:
1708                 rtw89_debug(rtwdev, RTW89_DBG_TXRX, "unhandled pkt_type=%d\n",
1709                             desc_info->pkt_type);
1710                 dev_kfree_skb_any(skb);
1711                 break;
1712         }
1713 }
1714
1715 void rtw89_core_query_rxdesc(struct rtw89_dev *rtwdev,
1716                              struct rtw89_rx_desc_info *desc_info,
1717                              u8 *data, u32 data_offset)
1718 {
1719         const struct rtw89_chip_info *chip = rtwdev->chip;
1720         struct rtw89_rxdesc_short *rxd_s;
1721         struct rtw89_rxdesc_long *rxd_l;
1722         u8 shift_len, drv_info_len;
1723
1724         rxd_s = (struct rtw89_rxdesc_short *)(data + data_offset);
1725         desc_info->pkt_size = RTW89_GET_RXWD_PKT_SIZE(rxd_s);
1726         desc_info->drv_info_size = RTW89_GET_RXWD_DRV_INFO_SIZE(rxd_s);
1727         desc_info->long_rxdesc = RTW89_GET_RXWD_LONG_RXD(rxd_s);
1728         desc_info->pkt_type = RTW89_GET_RXWD_RPKT_TYPE(rxd_s);
1729         desc_info->mac_info_valid = RTW89_GET_RXWD_MAC_INFO_VALID(rxd_s);
1730         if (chip->chip_id == RTL8852C)
1731                 desc_info->bw = RTW89_GET_RXWD_BW_V1(rxd_s);
1732         else
1733                 desc_info->bw = RTW89_GET_RXWD_BW(rxd_s);
1734         desc_info->data_rate = RTW89_GET_RXWD_DATA_RATE(rxd_s);
1735         desc_info->gi_ltf = RTW89_GET_RXWD_GI_LTF(rxd_s);
1736         desc_info->user_id = RTW89_GET_RXWD_USER_ID(rxd_s);
1737         desc_info->sr_en = RTW89_GET_RXWD_SR_EN(rxd_s);
1738         desc_info->ppdu_cnt = RTW89_GET_RXWD_PPDU_CNT(rxd_s);
1739         desc_info->ppdu_type = RTW89_GET_RXWD_PPDU_TYPE(rxd_s);
1740         desc_info->free_run_cnt = RTW89_GET_RXWD_FREE_RUN_CNT(rxd_s);
1741         desc_info->icv_err = RTW89_GET_RXWD_ICV_ERR(rxd_s);
1742         desc_info->crc32_err = RTW89_GET_RXWD_CRC32_ERR(rxd_s);
1743         desc_info->hw_dec = RTW89_GET_RXWD_HW_DEC(rxd_s);
1744         desc_info->sw_dec = RTW89_GET_RXWD_SW_DEC(rxd_s);
1745         desc_info->addr1_match = RTW89_GET_RXWD_A1_MATCH(rxd_s);
1746
1747         shift_len = desc_info->shift << 1; /* 2-byte unit */
1748         drv_info_len = desc_info->drv_info_size << 3; /* 8-byte unit */
1749         desc_info->offset = data_offset + shift_len + drv_info_len;
1750         desc_info->ready = true;
1751
1752         if (!desc_info->long_rxdesc)
1753                 return;
1754
1755         rxd_l = (struct rtw89_rxdesc_long *)(data + data_offset);
1756         desc_info->frame_type = RTW89_GET_RXWD_TYPE(rxd_l);
1757         desc_info->addr_cam_valid = RTW89_GET_RXWD_ADDR_CAM_VLD(rxd_l);
1758         desc_info->addr_cam_id = RTW89_GET_RXWD_ADDR_CAM_ID(rxd_l);
1759         desc_info->sec_cam_id = RTW89_GET_RXWD_SEC_CAM_ID(rxd_l);
1760         desc_info->mac_id = RTW89_GET_RXWD_MAC_ID(rxd_l);
1761         desc_info->rx_pl_id = RTW89_GET_RXWD_RX_PL_ID(rxd_l);
1762 }
1763 EXPORT_SYMBOL(rtw89_core_query_rxdesc);
1764
1765 struct rtw89_core_iter_rx_status {
1766         struct rtw89_dev *rtwdev;
1767         struct ieee80211_rx_status *rx_status;
1768         struct rtw89_rx_desc_info *desc_info;
1769         u8 mac_id;
1770 };
1771
1772 static
1773 void rtw89_core_stats_sta_rx_status_iter(void *data, struct ieee80211_sta *sta)
1774 {
1775         struct rtw89_core_iter_rx_status *iter_data =
1776                                 (struct rtw89_core_iter_rx_status *)data;
1777         struct ieee80211_rx_status *rx_status = iter_data->rx_status;
1778         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
1779         struct rtw89_rx_desc_info *desc_info = iter_data->desc_info;
1780         u8 mac_id = iter_data->mac_id;
1781
1782         if (mac_id != rtwsta->mac_id)
1783                 return;
1784
1785         rtwsta->rx_status = *rx_status;
1786         rtwsta->rx_hw_rate = desc_info->data_rate;
1787 }
1788
1789 static void rtw89_core_stats_sta_rx_status(struct rtw89_dev *rtwdev,
1790                                            struct rtw89_rx_desc_info *desc_info,
1791                                            struct ieee80211_rx_status *rx_status)
1792 {
1793         struct rtw89_core_iter_rx_status iter_data;
1794
1795         if (!desc_info->addr1_match || !desc_info->long_rxdesc)
1796                 return;
1797
1798         if (desc_info->frame_type != RTW89_RX_TYPE_DATA)
1799                 return;
1800
1801         iter_data.rtwdev = rtwdev;
1802         iter_data.rx_status = rx_status;
1803         iter_data.desc_info = desc_info;
1804         iter_data.mac_id = desc_info->mac_id;
1805         ieee80211_iterate_stations_atomic(rtwdev->hw,
1806                                           rtw89_core_stats_sta_rx_status_iter,
1807                                           &iter_data);
1808 }
1809
1810 static void rtw89_core_update_rx_status(struct rtw89_dev *rtwdev,
1811                                         struct rtw89_rx_desc_info *desc_info,
1812                                         struct ieee80211_rx_status *rx_status)
1813 {
1814         const struct cfg80211_chan_def *chandef =
1815                 rtw89_chandef_get(rtwdev, RTW89_SUB_ENTITY_0);
1816         const struct rtw89_chan *cur = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
1817         u16 data_rate;
1818         u8 data_rate_mode;
1819
1820         /* currently using single PHY */
1821         rx_status->freq = chandef->chan->center_freq;
1822         rx_status->band = chandef->chan->band;
1823
1824         if (rtwdev->scanning &&
1825             RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &rtwdev->fw)) {
1826                 u8 chan = cur->primary_channel;
1827                 u8 band = cur->band_type;
1828                 enum nl80211_band nl_band;
1829
1830                 nl_band = rtw89_hw_to_nl80211_band(band);
1831                 rx_status->freq = ieee80211_channel_to_frequency(chan, nl_band);
1832                 rx_status->band = nl_band;
1833         }
1834
1835         if (desc_info->icv_err || desc_info->crc32_err)
1836                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
1837
1838         if (desc_info->hw_dec &&
1839             !(desc_info->sw_dec || desc_info->icv_err))
1840                 rx_status->flag |= RX_FLAG_DECRYPTED;
1841
1842         rx_status->bw = rtw89_hw_to_rate_info_bw(desc_info->bw);
1843
1844         data_rate = desc_info->data_rate;
1845         data_rate_mode = GET_DATA_RATE_MODE(data_rate);
1846         if (data_rate_mode == DATA_RATE_MODE_NON_HT) {
1847                 rx_status->encoding = RX_ENC_LEGACY;
1848                 rx_status->rate_idx = GET_DATA_RATE_NOT_HT_IDX(data_rate);
1849                 /* convert rate_idx after we get the correct band */
1850         } else if (data_rate_mode == DATA_RATE_MODE_HT) {
1851                 rx_status->encoding = RX_ENC_HT;
1852                 rx_status->rate_idx = GET_DATA_RATE_HT_IDX(data_rate);
1853                 if (desc_info->gi_ltf)
1854                         rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
1855         } else if (data_rate_mode == DATA_RATE_MODE_VHT) {
1856                 rx_status->encoding = RX_ENC_VHT;
1857                 rx_status->rate_idx = GET_DATA_RATE_VHT_HE_IDX(data_rate);
1858                 rx_status->nss = GET_DATA_RATE_NSS(data_rate) + 1;
1859                 if (desc_info->gi_ltf)
1860                         rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
1861         } else if (data_rate_mode == DATA_RATE_MODE_HE) {
1862                 rx_status->encoding = RX_ENC_HE;
1863                 rx_status->rate_idx = GET_DATA_RATE_VHT_HE_IDX(data_rate);
1864                 rx_status->nss = GET_DATA_RATE_NSS(data_rate) + 1;
1865         } else {
1866                 rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode);
1867         }
1868
1869         /* he_gi is used to match ppdu, so we always fill it. */
1870         rx_status->he_gi = rtw89_rxdesc_to_nl_he_gi(rtwdev, desc_info, true);
1871         rx_status->flag |= RX_FLAG_MACTIME_START;
1872         rx_status->mactime = desc_info->free_run_cnt;
1873
1874         rtw89_core_stats_sta_rx_status(rtwdev, desc_info, rx_status);
1875 }
1876
1877 static enum rtw89_ps_mode rtw89_update_ps_mode(struct rtw89_dev *rtwdev)
1878 {
1879         const struct rtw89_chip_info *chip = rtwdev->chip;
1880
1881         if (rtw89_disable_ps_mode || !chip->ps_mode_supported ||
1882             RTW89_CHK_FW_FEATURE(NO_DEEP_PS, &rtwdev->fw))
1883                 return RTW89_PS_MODE_NONE;
1884
1885         if ((chip->ps_mode_supported & BIT(RTW89_PS_MODE_PWR_GATED)) &&
1886             !RTW89_CHK_FW_FEATURE(NO_LPS_PG, &rtwdev->fw))
1887                 return RTW89_PS_MODE_PWR_GATED;
1888
1889         if (chip->ps_mode_supported & BIT(RTW89_PS_MODE_CLK_GATED))
1890                 return RTW89_PS_MODE_CLK_GATED;
1891
1892         if (chip->ps_mode_supported & BIT(RTW89_PS_MODE_RFOFF))
1893                 return RTW89_PS_MODE_RFOFF;
1894
1895         return RTW89_PS_MODE_NONE;
1896 }
1897
1898 static void rtw89_core_flush_ppdu_rx_queue(struct rtw89_dev *rtwdev,
1899                                            struct rtw89_rx_desc_info *desc_info)
1900 {
1901         struct rtw89_ppdu_sts_info *ppdu_sts = &rtwdev->ppdu_sts;
1902         u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0;
1903         struct ieee80211_rx_status *rx_status;
1904         struct sk_buff *skb_ppdu, *tmp;
1905
1906         skb_queue_walk_safe(&ppdu_sts->rx_queue[band], skb_ppdu, tmp) {
1907                 skb_unlink(skb_ppdu, &ppdu_sts->rx_queue[band]);
1908                 rx_status = IEEE80211_SKB_RXCB(skb_ppdu);
1909                 rtw89_core_rx_to_mac80211(rtwdev, NULL, desc_info, skb_ppdu, rx_status);
1910         }
1911 }
1912
1913 void rtw89_core_rx(struct rtw89_dev *rtwdev,
1914                    struct rtw89_rx_desc_info *desc_info,
1915                    struct sk_buff *skb)
1916 {
1917         struct ieee80211_rx_status *rx_status;
1918         struct rtw89_ppdu_sts_info *ppdu_sts = &rtwdev->ppdu_sts;
1919         u8 ppdu_cnt = desc_info->ppdu_cnt;
1920         u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0;
1921
1922         if (desc_info->pkt_type != RTW89_CORE_RX_TYPE_WIFI) {
1923                 rtw89_core_rx_process_report(rtwdev, desc_info, skb);
1924                 return;
1925         }
1926
1927         if (ppdu_sts->curr_rx_ppdu_cnt[band] != ppdu_cnt) {
1928                 rtw89_core_flush_ppdu_rx_queue(rtwdev, desc_info);
1929                 ppdu_sts->curr_rx_ppdu_cnt[band] = ppdu_cnt;
1930         }
1931
1932         rx_status = IEEE80211_SKB_RXCB(skb);
1933         memset(rx_status, 0, sizeof(*rx_status));
1934         rtw89_core_update_rx_status(rtwdev, desc_info, rx_status);
1935         if (desc_info->long_rxdesc &&
1936             BIT(desc_info->frame_type) & PPDU_FILTER_BITMAP)
1937                 skb_queue_tail(&ppdu_sts->rx_queue[band], skb);
1938         else
1939                 rtw89_core_rx_to_mac80211(rtwdev, NULL, desc_info, skb, rx_status);
1940 }
1941 EXPORT_SYMBOL(rtw89_core_rx);
1942
1943 void rtw89_core_napi_start(struct rtw89_dev *rtwdev)
1944 {
1945         if (test_and_set_bit(RTW89_FLAG_NAPI_RUNNING, rtwdev->flags))
1946                 return;
1947
1948         napi_enable(&rtwdev->napi);
1949 }
1950 EXPORT_SYMBOL(rtw89_core_napi_start);
1951
1952 void rtw89_core_napi_stop(struct rtw89_dev *rtwdev)
1953 {
1954         if (!test_and_clear_bit(RTW89_FLAG_NAPI_RUNNING, rtwdev->flags))
1955                 return;
1956
1957         napi_synchronize(&rtwdev->napi);
1958         napi_disable(&rtwdev->napi);
1959 }
1960 EXPORT_SYMBOL(rtw89_core_napi_stop);
1961
1962 void rtw89_core_napi_init(struct rtw89_dev *rtwdev)
1963 {
1964         init_dummy_netdev(&rtwdev->netdev);
1965         netif_napi_add(&rtwdev->netdev, &rtwdev->napi,
1966                        rtwdev->hci.ops->napi_poll);
1967 }
1968 EXPORT_SYMBOL(rtw89_core_napi_init);
1969
1970 void rtw89_core_napi_deinit(struct rtw89_dev *rtwdev)
1971 {
1972         rtw89_core_napi_stop(rtwdev);
1973         netif_napi_del(&rtwdev->napi);
1974 }
1975 EXPORT_SYMBOL(rtw89_core_napi_deinit);
1976
1977 static void rtw89_core_ba_work(struct work_struct *work)
1978 {
1979         struct rtw89_dev *rtwdev =
1980                 container_of(work, struct rtw89_dev, ba_work);
1981         struct rtw89_txq *rtwtxq, *tmp;
1982         int ret;
1983
1984         spin_lock_bh(&rtwdev->ba_lock);
1985         list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->ba_list, list) {
1986                 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq);
1987                 struct ieee80211_sta *sta = txq->sta;
1988                 struct rtw89_sta *rtwsta = sta ? (struct rtw89_sta *)sta->drv_priv : NULL;
1989                 u8 tid = txq->tid;
1990
1991                 if (!sta) {
1992                         rtw89_warn(rtwdev, "cannot start BA without sta\n");
1993                         goto skip_ba_work;
1994                 }
1995
1996                 if (rtwsta->disassoc) {
1997                         rtw89_debug(rtwdev, RTW89_DBG_TXRX,
1998                                     "cannot start BA with disassoc sta\n");
1999                         goto skip_ba_work;
2000                 }
2001
2002                 ret = ieee80211_start_tx_ba_session(sta, tid, 0);
2003                 if (ret) {
2004                         rtw89_debug(rtwdev, RTW89_DBG_TXRX,
2005                                     "failed to setup BA session for %pM:%2d: %d\n",
2006                                     sta->addr, tid, ret);
2007                         if (ret == -EINVAL)
2008                                 set_bit(RTW89_TXQ_F_BLOCK_BA, &rtwtxq->flags);
2009                 }
2010 skip_ba_work:
2011                 list_del_init(&rtwtxq->list);
2012         }
2013         spin_unlock_bh(&rtwdev->ba_lock);
2014 }
2015
2016 static void rtw89_core_free_sta_pending_ba(struct rtw89_dev *rtwdev,
2017                                            struct ieee80211_sta *sta)
2018 {
2019         struct rtw89_txq *rtwtxq, *tmp;
2020
2021         spin_lock_bh(&rtwdev->ba_lock);
2022         list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->ba_list, list) {
2023                 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq);
2024
2025                 if (sta == txq->sta)
2026                         list_del_init(&rtwtxq->list);
2027         }
2028         spin_unlock_bh(&rtwdev->ba_lock);
2029 }
2030
2031 static void rtw89_core_free_sta_pending_forbid_ba(struct rtw89_dev *rtwdev,
2032                                                   struct ieee80211_sta *sta)
2033 {
2034         struct rtw89_txq *rtwtxq, *tmp;
2035
2036         spin_lock_bh(&rtwdev->ba_lock);
2037         list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->forbid_ba_list, list) {
2038                 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq);
2039
2040                 if (sta == txq->sta) {
2041                         clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags);
2042                         list_del_init(&rtwtxq->list);
2043                 }
2044         }
2045         spin_unlock_bh(&rtwdev->ba_lock);
2046 }
2047
2048 static void rtw89_core_free_sta_pending_roc_tx(struct rtw89_dev *rtwdev,
2049                                                struct ieee80211_sta *sta)
2050 {
2051         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
2052         struct sk_buff *skb, *tmp;
2053
2054         skb_queue_walk_safe(&rtwsta->roc_queue, skb, tmp) {
2055                 skb_unlink(skb, &rtwsta->roc_queue);
2056                 dev_kfree_skb_any(skb);
2057         }
2058 }
2059
2060 static void rtw89_core_stop_tx_ba_session(struct rtw89_dev *rtwdev,
2061                                           struct rtw89_txq *rtwtxq)
2062 {
2063         struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq);
2064         struct ieee80211_sta *sta = txq->sta;
2065         struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
2066
2067         if (unlikely(!rtwsta) || unlikely(rtwsta->disassoc))
2068                 return;
2069
2070         if (!test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags) ||
2071             test_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags))
2072                 return;
2073
2074         spin_lock_bh(&rtwdev->ba_lock);
2075         if (!test_and_set_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags))
2076                 list_add_tail(&rtwtxq->list, &rtwdev->forbid_ba_list);
2077         spin_unlock_bh(&rtwdev->ba_lock);
2078
2079         ieee80211_stop_tx_ba_session(sta, txq->tid);
2080         cancel_delayed_work(&rtwdev->forbid_ba_work);
2081         ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->forbid_ba_work,
2082                                      RTW89_FORBID_BA_TIMER);
2083 }
2084
2085 static void rtw89_core_txq_check_agg(struct rtw89_dev *rtwdev,
2086                                      struct rtw89_txq *rtwtxq,
2087                                      struct sk_buff *skb)
2088 {
2089         struct ieee80211_hw *hw = rtwdev->hw;
2090         struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq);
2091         struct ieee80211_sta *sta = txq->sta;
2092         struct rtw89_sta *rtwsta = sta ? (struct rtw89_sta *)sta->drv_priv : NULL;
2093
2094         if (test_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags))
2095                 return;
2096
2097         if (unlikely(skb->protocol == cpu_to_be16(ETH_P_PAE))) {
2098                 rtw89_core_stop_tx_ba_session(rtwdev, rtwtxq);
2099                 return;
2100         }
2101
2102         if (unlikely(!sta))
2103                 return;
2104
2105         if (unlikely(test_bit(RTW89_TXQ_F_BLOCK_BA, &rtwtxq->flags)))
2106                 return;
2107
2108         if (test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags)) {
2109                 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_AMPDU;
2110                 return;
2111         }
2112
2113         spin_lock_bh(&rtwdev->ba_lock);
2114         if (!rtwsta->disassoc && list_empty(&rtwtxq->list)) {
2115                 list_add_tail(&rtwtxq->list, &rtwdev->ba_list);
2116                 ieee80211_queue_work(hw, &rtwdev->ba_work);
2117         }
2118         spin_unlock_bh(&rtwdev->ba_lock);
2119 }
2120
2121 static void rtw89_core_txq_push(struct rtw89_dev *rtwdev,
2122                                 struct rtw89_txq *rtwtxq,
2123                                 unsigned long frame_cnt,
2124                                 unsigned long byte_cnt)
2125 {
2126         struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq);
2127         struct ieee80211_vif *vif = txq->vif;
2128         struct ieee80211_sta *sta = txq->sta;
2129         struct sk_buff *skb;
2130         unsigned long i;
2131         int ret;
2132
2133         rcu_read_lock();
2134         for (i = 0; i < frame_cnt; i++) {
2135                 skb = ieee80211_tx_dequeue_ni(rtwdev->hw, txq);
2136                 if (!skb) {
2137                         rtw89_debug(rtwdev, RTW89_DBG_TXRX, "dequeue a NULL skb\n");
2138                         goto out;
2139                 }
2140                 rtw89_core_txq_check_agg(rtwdev, rtwtxq, skb);
2141                 ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, NULL);
2142                 if (ret) {
2143                         rtw89_err(rtwdev, "failed to push txq: %d\n", ret);
2144                         ieee80211_free_txskb(rtwdev->hw, skb);
2145                         break;
2146                 }
2147         }
2148 out:
2149         rcu_read_unlock();
2150 }
2151
2152 static u32 rtw89_check_and_reclaim_tx_resource(struct rtw89_dev *rtwdev, u8 tid)
2153 {
2154         u8 qsel, ch_dma;
2155
2156         qsel = rtw89_core_get_qsel(rtwdev, tid);
2157         ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel);
2158
2159         return rtw89_hci_check_and_reclaim_tx_resource(rtwdev, ch_dma);
2160 }
2161
2162 static bool rtw89_core_txq_agg_wait(struct rtw89_dev *rtwdev,
2163                                     struct ieee80211_txq *txq,
2164                                     unsigned long *frame_cnt,
2165                                     bool *sched_txq, bool *reinvoke)
2166 {
2167         struct rtw89_txq *rtwtxq = (struct rtw89_txq *)txq->drv_priv;
2168         struct ieee80211_sta *sta = txq->sta;
2169         struct rtw89_sta *rtwsta = sta ? (struct rtw89_sta *)sta->drv_priv : NULL;
2170
2171         if (!sta || rtwsta->max_agg_wait <= 0)
2172                 return false;
2173
2174         if (rtwdev->stats.tx_tfc_lv <= RTW89_TFC_MID)
2175                 return false;
2176
2177         if (*frame_cnt > 1) {
2178                 *frame_cnt -= 1;
2179                 *sched_txq = true;
2180                 *reinvoke = true;
2181                 rtwtxq->wait_cnt = 1;
2182                 return false;
2183         }
2184
2185         if (*frame_cnt == 1 && rtwtxq->wait_cnt < rtwsta->max_agg_wait) {
2186                 *reinvoke = true;
2187                 rtwtxq->wait_cnt++;
2188                 return true;
2189         }
2190
2191         rtwtxq->wait_cnt = 0;
2192         return false;
2193 }
2194
2195 static void rtw89_core_txq_schedule(struct rtw89_dev *rtwdev, u8 ac, bool *reinvoke)
2196 {
2197         struct ieee80211_hw *hw = rtwdev->hw;
2198         struct ieee80211_txq *txq;
2199         struct rtw89_vif *rtwvif;
2200         struct rtw89_txq *rtwtxq;
2201         unsigned long frame_cnt;
2202         unsigned long byte_cnt;
2203         u32 tx_resource;
2204         bool sched_txq;
2205
2206         ieee80211_txq_schedule_start(hw, ac);
2207         while ((txq = ieee80211_next_txq(hw, ac))) {
2208                 rtwtxq = (struct rtw89_txq *)txq->drv_priv;
2209                 rtwvif = (struct rtw89_vif *)txq->vif->drv_priv;
2210
2211                 if (rtwvif->offchan) {
2212                         ieee80211_return_txq(hw, txq, true);
2213                         continue;
2214                 }
2215                 tx_resource = rtw89_check_and_reclaim_tx_resource(rtwdev, txq->tid);
2216                 sched_txq = false;
2217
2218                 ieee80211_txq_get_depth(txq, &frame_cnt, &byte_cnt);
2219                 if (rtw89_core_txq_agg_wait(rtwdev, txq, &frame_cnt, &sched_txq, reinvoke)) {
2220                         ieee80211_return_txq(hw, txq, true);
2221                         continue;
2222                 }
2223                 frame_cnt = min_t(unsigned long, frame_cnt, tx_resource);
2224                 rtw89_core_txq_push(rtwdev, rtwtxq, frame_cnt, byte_cnt);
2225                 ieee80211_return_txq(hw, txq, sched_txq);
2226                 if (frame_cnt != 0)
2227                         rtw89_core_tx_kick_off(rtwdev, rtw89_core_get_qsel(rtwdev, txq->tid));
2228
2229                 /* bound of tx_resource could get stuck due to burst traffic */
2230                 if (frame_cnt == tx_resource)
2231                         *reinvoke = true;
2232         }
2233         ieee80211_txq_schedule_end(hw, ac);
2234 }
2235
2236 static void rtw89_ips_work(struct work_struct *work)
2237 {
2238         struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev,
2239                                                 ips_work);
2240         mutex_lock(&rtwdev->mutex);
2241         rtw89_enter_ips_by_hwflags(rtwdev);
2242         mutex_unlock(&rtwdev->mutex);
2243 }
2244
2245 static void rtw89_core_txq_work(struct work_struct *w)
2246 {
2247         struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev, txq_work);
2248         bool reinvoke = false;
2249         u8 ac;
2250
2251         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
2252                 rtw89_core_txq_schedule(rtwdev, ac, &reinvoke);
2253
2254         if (reinvoke) {
2255                 /* reinvoke to process the last frame */
2256                 mod_delayed_work(rtwdev->txq_wq, &rtwdev->txq_reinvoke_work, 1);
2257         }
2258 }
2259
2260 static void rtw89_core_txq_reinvoke_work(struct work_struct *w)
2261 {
2262         struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev,
2263                                                 txq_reinvoke_work.work);
2264
2265         queue_work(rtwdev->txq_wq, &rtwdev->txq_work);
2266 }
2267
2268 static void rtw89_forbid_ba_work(struct work_struct *w)
2269 {
2270         struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev,
2271                                                 forbid_ba_work.work);
2272         struct rtw89_txq *rtwtxq, *tmp;
2273
2274         spin_lock_bh(&rtwdev->ba_lock);
2275         list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->forbid_ba_list, list) {
2276                 clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags);
2277                 list_del_init(&rtwtxq->list);
2278         }
2279         spin_unlock_bh(&rtwdev->ba_lock);
2280 }
2281
2282 static void rtw89_core_sta_pending_tx_iter(void *data,
2283                                            struct ieee80211_sta *sta)
2284 {
2285         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
2286         struct rtw89_vif *rtwvif_target = data, *rtwvif = rtwsta->rtwvif;
2287         struct rtw89_dev *rtwdev = rtwvif->rtwdev;
2288         struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
2289         struct sk_buff *skb, *tmp;
2290         int qsel, ret;
2291
2292         if (rtwvif->sub_entity_idx != rtwvif_target->sub_entity_idx)
2293                 return;
2294
2295         if (skb_queue_len(&rtwsta->roc_queue) == 0)
2296                 return;
2297
2298         skb_queue_walk_safe(&rtwsta->roc_queue, skb, tmp) {
2299                 skb_unlink(skb, &rtwsta->roc_queue);
2300
2301                 ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, &qsel);
2302                 if (ret) {
2303                         rtw89_warn(rtwdev, "pending tx failed with %d\n", ret);
2304                         dev_kfree_skb_any(skb);
2305                 } else {
2306                         rtw89_core_tx_kick_off(rtwdev, qsel);
2307                 }
2308         }
2309 }
2310
2311 static void rtw89_core_handle_sta_pending_tx(struct rtw89_dev *rtwdev,
2312                                              struct rtw89_vif *rtwvif)
2313 {
2314         ieee80211_iterate_stations_atomic(rtwdev->hw,
2315                                           rtw89_core_sta_pending_tx_iter,
2316                                           rtwvif);
2317 }
2318
2319 static int rtw89_core_send_nullfunc(struct rtw89_dev *rtwdev,
2320                                     struct rtw89_vif *rtwvif, bool qos, bool ps)
2321 {
2322         struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
2323         struct ieee80211_sta *sta;
2324         struct ieee80211_hdr *hdr;
2325         struct sk_buff *skb;
2326         int ret, qsel;
2327
2328         if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc)
2329                 return 0;
2330
2331         rcu_read_lock();
2332         sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
2333         if (!sta) {
2334                 ret = -EINVAL;
2335                 goto out;
2336         }
2337
2338         skb = ieee80211_nullfunc_get(rtwdev->hw, vif, -1, qos);
2339         if (!skb) {
2340                 ret = -ENOMEM;
2341                 goto out;
2342         }
2343
2344         hdr = (struct ieee80211_hdr *)skb->data;
2345         if (ps)
2346                 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
2347
2348         ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, &qsel);
2349         if (ret) {
2350                 rtw89_warn(rtwdev, "nullfunc transmit failed: %d\n", ret);
2351                 dev_kfree_skb_any(skb);
2352                 goto out;
2353         }
2354
2355         rcu_read_unlock();
2356
2357         return rtw89_core_tx_kick_off_and_wait(rtwdev, skb, qsel,
2358                                                RTW89_ROC_TX_TIMEOUT);
2359 out:
2360         rcu_read_unlock();
2361
2362         return ret;
2363 }
2364
2365 void rtw89_roc_start(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
2366 {
2367         struct ieee80211_hw *hw = rtwdev->hw;
2368         struct rtw89_roc *roc = &rtwvif->roc;
2369         struct cfg80211_chan_def roc_chan;
2370         struct rtw89_vif *tmp;
2371         int ret;
2372
2373         lockdep_assert_held(&rtwdev->mutex);
2374
2375         ieee80211_queue_delayed_work(hw, &rtwvif->roc.roc_work,
2376                                      msecs_to_jiffies(rtwvif->roc.duration));
2377
2378         rtw89_leave_ips_by_hwflags(rtwdev);
2379         rtw89_leave_lps(rtwdev);
2380
2381         ret = rtw89_core_send_nullfunc(rtwdev, rtwvif, true, true);
2382         if (ret)
2383                 rtw89_debug(rtwdev, RTW89_DBG_TXRX,
2384                             "roc send null-1 failed: %d\n", ret);
2385
2386         rtw89_for_each_rtwvif(rtwdev, tmp)
2387                 if (tmp->sub_entity_idx == rtwvif->sub_entity_idx)
2388                         tmp->offchan = true;
2389
2390         cfg80211_chandef_create(&roc_chan, &roc->chan, NL80211_CHAN_NO_HT);
2391         rtw89_config_roc_chandef(rtwdev, rtwvif->sub_entity_idx, &roc_chan);
2392         rtw89_set_channel(rtwdev);
2393         rtw89_write32_clr(rtwdev,
2394                           rtw89_mac_reg_by_idx(R_AX_RX_FLTR_OPT, RTW89_MAC_0),
2395                           B_AX_A_UC_CAM_MATCH | B_AX_A_BC_CAM_MATCH);
2396
2397         ieee80211_ready_on_channel(hw);
2398 }
2399
2400 void rtw89_roc_end(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
2401 {
2402         struct ieee80211_hw *hw = rtwdev->hw;
2403         struct rtw89_roc *roc = &rtwvif->roc;
2404         struct rtw89_vif *tmp;
2405         int ret;
2406
2407         lockdep_assert_held(&rtwdev->mutex);
2408
2409         ieee80211_remain_on_channel_expired(hw);
2410
2411         rtw89_leave_ips_by_hwflags(rtwdev);
2412         rtw89_leave_lps(rtwdev);
2413
2414         rtw89_write32_mask(rtwdev,
2415                            rtw89_mac_reg_by_idx(R_AX_RX_FLTR_OPT, RTW89_MAC_0),
2416                            B_AX_RX_FLTR_CFG_MASK,
2417                            rtwdev->hal.rx_fltr);
2418
2419         roc->state = RTW89_ROC_IDLE;
2420         rtw89_config_roc_chandef(rtwdev, rtwvif->sub_entity_idx, NULL);
2421         rtw89_set_channel(rtwdev);
2422         ret = rtw89_core_send_nullfunc(rtwdev, rtwvif, true, false);
2423         if (ret)
2424                 rtw89_debug(rtwdev, RTW89_DBG_TXRX,
2425                             "roc send null-0 failed: %d\n", ret);
2426
2427         rtw89_for_each_rtwvif(rtwdev, tmp)
2428                 if (tmp->sub_entity_idx == rtwvif->sub_entity_idx)
2429                         tmp->offchan = false;
2430
2431         rtw89_core_handle_sta_pending_tx(rtwdev, rtwvif);
2432         queue_work(rtwdev->txq_wq, &rtwdev->txq_work);
2433
2434         if (hw->conf.flags & IEEE80211_CONF_IDLE)
2435                 ieee80211_queue_delayed_work(hw, &roc->roc_work,
2436                                              RTW89_ROC_IDLE_TIMEOUT);
2437 }
2438
2439 void rtw89_roc_work(struct work_struct *work)
2440 {
2441         struct rtw89_vif *rtwvif = container_of(work, struct rtw89_vif,
2442                                                 roc.roc_work.work);
2443         struct rtw89_dev *rtwdev = rtwvif->rtwdev;
2444         struct rtw89_roc *roc = &rtwvif->roc;
2445
2446         mutex_lock(&rtwdev->mutex);
2447
2448         switch (roc->state) {
2449         case RTW89_ROC_IDLE:
2450                 rtw89_enter_ips_by_hwflags(rtwdev);
2451                 break;
2452         case RTW89_ROC_MGMT:
2453         case RTW89_ROC_NORMAL:
2454                 rtw89_roc_end(rtwdev, rtwvif);
2455                 break;
2456         default:
2457                 break;
2458         }
2459
2460         mutex_unlock(&rtwdev->mutex);
2461 }
2462
2463 static enum rtw89_tfc_lv rtw89_get_traffic_level(struct rtw89_dev *rtwdev,
2464                                                  u32 throughput, u64 cnt)
2465 {
2466         if (cnt < 100)
2467                 return RTW89_TFC_IDLE;
2468         if (throughput > 50)
2469                 return RTW89_TFC_HIGH;
2470         if (throughput > 10)
2471                 return RTW89_TFC_MID;
2472         if (throughput > 2)
2473                 return RTW89_TFC_LOW;
2474         return RTW89_TFC_ULTRA_LOW;
2475 }
2476
2477 static bool rtw89_traffic_stats_calc(struct rtw89_dev *rtwdev,
2478                                      struct rtw89_traffic_stats *stats)
2479 {
2480         enum rtw89_tfc_lv tx_tfc_lv = stats->tx_tfc_lv;
2481         enum rtw89_tfc_lv rx_tfc_lv = stats->rx_tfc_lv;
2482
2483         stats->tx_throughput_raw = (u32)(stats->tx_unicast >> RTW89_TP_SHIFT);
2484         stats->rx_throughput_raw = (u32)(stats->rx_unicast >> RTW89_TP_SHIFT);
2485
2486         ewma_tp_add(&stats->tx_ewma_tp, stats->tx_throughput_raw);
2487         ewma_tp_add(&stats->rx_ewma_tp, stats->rx_throughput_raw);
2488
2489         stats->tx_throughput = ewma_tp_read(&stats->tx_ewma_tp);
2490         stats->rx_throughput = ewma_tp_read(&stats->rx_ewma_tp);
2491         stats->tx_tfc_lv = rtw89_get_traffic_level(rtwdev, stats->tx_throughput,
2492                                                    stats->tx_cnt);
2493         stats->rx_tfc_lv = rtw89_get_traffic_level(rtwdev, stats->rx_throughput,
2494                                                    stats->rx_cnt);
2495         stats->tx_avg_len = stats->tx_cnt ?
2496                             DIV_ROUND_DOWN_ULL(stats->tx_unicast, stats->tx_cnt) : 0;
2497         stats->rx_avg_len = stats->rx_cnt ?
2498                             DIV_ROUND_DOWN_ULL(stats->rx_unicast, stats->rx_cnt) : 0;
2499
2500         stats->tx_unicast = 0;
2501         stats->rx_unicast = 0;
2502         stats->tx_cnt = 0;
2503         stats->rx_cnt = 0;
2504         stats->rx_tf_periodic = stats->rx_tf_acc;
2505         stats->rx_tf_acc = 0;
2506
2507         if (tx_tfc_lv != stats->tx_tfc_lv || rx_tfc_lv != stats->rx_tfc_lv)
2508                 return true;
2509
2510         return false;
2511 }
2512
2513 static bool rtw89_traffic_stats_track(struct rtw89_dev *rtwdev)
2514 {
2515         struct rtw89_vif *rtwvif;
2516         bool tfc_changed;
2517
2518         tfc_changed = rtw89_traffic_stats_calc(rtwdev, &rtwdev->stats);
2519         rtw89_for_each_rtwvif(rtwdev, rtwvif) {
2520                 rtw89_traffic_stats_calc(rtwdev, &rtwvif->stats);
2521                 rtw89_fw_h2c_tp_offload(rtwdev, rtwvif);
2522         }
2523
2524         return tfc_changed;
2525 }
2526
2527 static void rtw89_vif_enter_lps(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
2528 {
2529         if ((rtwvif->wifi_role != RTW89_WIFI_ROLE_STATION &&
2530              rtwvif->wifi_role != RTW89_WIFI_ROLE_P2P_CLIENT) ||
2531             rtwvif->tdls_peer)
2532                 return;
2533
2534         if (rtwdev->total_sta_assoc > 1)
2535                 return;
2536
2537         if (rtwvif->offchan)
2538                 return;
2539
2540         if (rtwvif->stats.tx_tfc_lv == RTW89_TFC_IDLE &&
2541             rtwvif->stats.rx_tfc_lv == RTW89_TFC_IDLE)
2542                 rtw89_enter_lps(rtwdev, rtwvif, true);
2543 }
2544
2545 static void rtw89_enter_lps_track(struct rtw89_dev *rtwdev)
2546 {
2547         struct rtw89_vif *rtwvif;
2548
2549         rtw89_for_each_rtwvif(rtwdev, rtwvif)
2550                 rtw89_vif_enter_lps(rtwdev, rtwvif);
2551 }
2552
2553 void rtw89_traffic_stats_init(struct rtw89_dev *rtwdev,
2554                               struct rtw89_traffic_stats *stats)
2555 {
2556         stats->tx_unicast = 0;
2557         stats->rx_unicast = 0;
2558         stats->tx_cnt = 0;
2559         stats->rx_cnt = 0;
2560         ewma_tp_init(&stats->tx_ewma_tp);
2561         ewma_tp_init(&stats->rx_ewma_tp);
2562 }
2563
2564 static void rtw89_track_work(struct work_struct *work)
2565 {
2566         struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev,
2567                                                 track_work.work);
2568         bool tfc_changed;
2569
2570         if (test_bit(RTW89_FLAG_FORBIDDEN_TRACK_WROK, rtwdev->flags))
2571                 return;
2572
2573         mutex_lock(&rtwdev->mutex);
2574
2575         if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags))
2576                 goto out;
2577
2578         ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->track_work,
2579                                      RTW89_TRACK_WORK_PERIOD);
2580
2581         tfc_changed = rtw89_traffic_stats_track(rtwdev);
2582         if (rtwdev->scanning)
2583                 goto out;
2584
2585         rtw89_leave_lps(rtwdev);
2586
2587         if (tfc_changed) {
2588                 rtw89_hci_recalc_int_mit(rtwdev);
2589                 rtw89_btc_ntfy_wl_sta(rtwdev);
2590         }
2591         rtw89_mac_bf_monitor_track(rtwdev);
2592         rtw89_phy_stat_track(rtwdev);
2593         rtw89_phy_env_monitor_track(rtwdev);
2594         rtw89_phy_dig(rtwdev);
2595         rtw89_chip_rfk_track(rtwdev);
2596         rtw89_phy_ra_update(rtwdev);
2597         rtw89_phy_cfo_track(rtwdev);
2598         rtw89_phy_tx_path_div_track(rtwdev);
2599         rtw89_phy_ul_tb_ctrl_track(rtwdev);
2600
2601         if (rtwdev->lps_enabled && !rtwdev->btc.lps)
2602                 rtw89_enter_lps_track(rtwdev);
2603
2604 out:
2605         mutex_unlock(&rtwdev->mutex);
2606 }
2607
2608 u8 rtw89_core_acquire_bit_map(unsigned long *addr, unsigned long size)
2609 {
2610         unsigned long bit;
2611
2612         bit = find_first_zero_bit(addr, size);
2613         if (bit < size)
2614                 set_bit(bit, addr);
2615
2616         return bit;
2617 }
2618
2619 void rtw89_core_release_bit_map(unsigned long *addr, u8 bit)
2620 {
2621         clear_bit(bit, addr);
2622 }
2623
2624 void rtw89_core_release_all_bits_map(unsigned long *addr, unsigned int nbits)
2625 {
2626         bitmap_zero(addr, nbits);
2627 }
2628
2629 int rtw89_core_acquire_sta_ba_entry(struct rtw89_dev *rtwdev,
2630                                     struct rtw89_sta *rtwsta, u8 tid, u8 *cam_idx)
2631 {
2632         const struct rtw89_chip_info *chip = rtwdev->chip;
2633         struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
2634         struct rtw89_ba_cam_entry *entry = NULL, *tmp;
2635         u8 idx;
2636         int i;
2637
2638         lockdep_assert_held(&rtwdev->mutex);
2639
2640         idx = rtw89_core_acquire_bit_map(cam_info->ba_cam_map, chip->bacam_num);
2641         if (idx == chip->bacam_num) {
2642                 /* allocate a static BA CAM to tid=0/5, so replace the existing
2643                  * one if BA CAM is full. Hardware will process the original tid
2644                  * automatically.
2645                  */
2646                 if (tid != 0 && tid != 5)
2647                         return -ENOSPC;
2648
2649                 for_each_set_bit(i, cam_info->ba_cam_map, chip->bacam_num) {
2650                         tmp = &cam_info->ba_cam_entry[i];
2651                         if (tmp->tid == 0 || tmp->tid == 5)
2652                                 continue;
2653
2654                         idx = i;
2655                         entry = tmp;
2656                         list_del(&entry->list);
2657                         break;
2658                 }
2659
2660                 if (!entry)
2661                         return -ENOSPC;
2662         } else {
2663                 entry = &cam_info->ba_cam_entry[idx];
2664         }
2665
2666         entry->tid = tid;
2667         list_add_tail(&entry->list, &rtwsta->ba_cam_list);
2668
2669         *cam_idx = idx;
2670
2671         return 0;
2672 }
2673
2674 int rtw89_core_release_sta_ba_entry(struct rtw89_dev *rtwdev,
2675                                     struct rtw89_sta *rtwsta, u8 tid, u8 *cam_idx)
2676 {
2677         struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
2678         struct rtw89_ba_cam_entry *entry = NULL, *tmp;
2679         u8 idx;
2680
2681         lockdep_assert_held(&rtwdev->mutex);
2682
2683         list_for_each_entry_safe(entry, tmp, &rtwsta->ba_cam_list, list) {
2684                 if (entry->tid != tid)
2685                         continue;
2686
2687                 idx = entry - cam_info->ba_cam_entry;
2688                 list_del(&entry->list);
2689
2690                 rtw89_core_release_bit_map(cam_info->ba_cam_map, idx);
2691                 *cam_idx = idx;
2692                 return 0;
2693         }
2694
2695         return -ENOENT;
2696 }
2697
2698 #define RTW89_TYPE_MAPPING(_type)       \
2699         case NL80211_IFTYPE_ ## _type:  \
2700                 rtwvif->wifi_role = RTW89_WIFI_ROLE_ ## _type;  \
2701                 break
2702 void rtw89_vif_type_mapping(struct ieee80211_vif *vif, bool assoc)
2703 {
2704         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
2705
2706         switch (vif->type) {
2707         case NL80211_IFTYPE_STATION:
2708                 if (vif->p2p)
2709                         rtwvif->wifi_role = RTW89_WIFI_ROLE_P2P_CLIENT;
2710                 else
2711                         rtwvif->wifi_role = RTW89_WIFI_ROLE_STATION;
2712                 break;
2713         case NL80211_IFTYPE_AP:
2714                 if (vif->p2p)
2715                         rtwvif->wifi_role = RTW89_WIFI_ROLE_P2P_GO;
2716                 else
2717                         rtwvif->wifi_role = RTW89_WIFI_ROLE_AP;
2718                 break;
2719         RTW89_TYPE_MAPPING(ADHOC);
2720         RTW89_TYPE_MAPPING(MONITOR);
2721         RTW89_TYPE_MAPPING(MESH_POINT);
2722         default:
2723                 WARN_ON(1);
2724                 break;
2725         }
2726
2727         switch (vif->type) {
2728         case NL80211_IFTYPE_AP:
2729         case NL80211_IFTYPE_MESH_POINT:
2730                 rtwvif->net_type = RTW89_NET_TYPE_AP_MODE;
2731                 rtwvif->self_role = RTW89_SELF_ROLE_AP;
2732                 break;
2733         case NL80211_IFTYPE_ADHOC:
2734                 rtwvif->net_type = RTW89_NET_TYPE_AD_HOC;
2735                 rtwvif->self_role = RTW89_SELF_ROLE_CLIENT;
2736                 break;
2737         case NL80211_IFTYPE_STATION:
2738                 if (assoc) {
2739                         rtwvif->net_type = RTW89_NET_TYPE_INFRA;
2740                         rtwvif->trigger = vif->bss_conf.he_support;
2741                 } else {
2742                         rtwvif->net_type = RTW89_NET_TYPE_NO_LINK;
2743                         rtwvif->trigger = false;
2744                 }
2745                 rtwvif->self_role = RTW89_SELF_ROLE_CLIENT;
2746                 rtwvif->addr_cam.sec_ent_mode = RTW89_ADDR_CAM_SEC_NORMAL;
2747                 break;
2748         case NL80211_IFTYPE_MONITOR:
2749                 break;
2750         default:
2751                 WARN_ON(1);
2752                 break;
2753         }
2754 }
2755
2756 int rtw89_core_sta_add(struct rtw89_dev *rtwdev,
2757                        struct ieee80211_vif *vif,
2758                        struct ieee80211_sta *sta)
2759 {
2760         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
2761         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
2762         int i;
2763         int ret;
2764
2765         rtwsta->rtwdev = rtwdev;
2766         rtwsta->rtwvif = rtwvif;
2767         rtwsta->prev_rssi = 0;
2768         INIT_LIST_HEAD(&rtwsta->ba_cam_list);
2769         skb_queue_head_init(&rtwsta->roc_queue);
2770
2771         for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
2772                 rtw89_core_txq_init(rtwdev, sta->txq[i]);
2773
2774         ewma_rssi_init(&rtwsta->avg_rssi);
2775         for (i = 0; i < rtwdev->chip->rf_path_num; i++)
2776                 ewma_rssi_init(&rtwsta->rssi[i]);
2777
2778         if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
2779                 /* for station mode, assign the mac_id from itself */
2780                 rtwsta->mac_id = rtwvif->mac_id;
2781                 rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta,
2782                                          BTC_ROLE_MSTS_STA_CONN_START);
2783                 rtw89_chip_rfk_channel(rtwdev);
2784         } else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) {
2785                 rtwsta->mac_id = rtw89_core_acquire_bit_map(rtwdev->mac_id_map,
2786                                                             RTW89_MAX_MAC_ID_NUM);
2787                 if (rtwsta->mac_id == RTW89_MAX_MAC_ID_NUM)
2788                         return -ENOSPC;
2789
2790                 ret = rtw89_mac_set_macid_pause(rtwdev, rtwsta->mac_id, false);
2791                 if (ret) {
2792                         rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id);
2793                         rtw89_warn(rtwdev, "failed to send h2c macid pause\n");
2794                         return ret;
2795                 }
2796
2797                 ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, rtwsta,
2798                                                  RTW89_ROLE_CREATE);
2799                 if (ret) {
2800                         rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id);
2801                         rtw89_warn(rtwdev, "failed to send h2c role info\n");
2802                         return ret;
2803                 }
2804         }
2805
2806         return 0;
2807 }
2808
2809 int rtw89_core_sta_disassoc(struct rtw89_dev *rtwdev,
2810                             struct ieee80211_vif *vif,
2811                             struct ieee80211_sta *sta)
2812 {
2813         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
2814         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
2815
2816         if (vif->type == NL80211_IFTYPE_STATION)
2817                 rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, vif, false);
2818
2819         rtwdev->total_sta_assoc--;
2820         if (sta->tdls)
2821                 rtwvif->tdls_peer--;
2822         rtwsta->disassoc = true;
2823
2824         return 0;
2825 }
2826
2827 int rtw89_core_sta_disconnect(struct rtw89_dev *rtwdev,
2828                               struct ieee80211_vif *vif,
2829                               struct ieee80211_sta *sta)
2830 {
2831         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
2832         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
2833         int ret;
2834
2835         rtw89_mac_bf_monitor_calc(rtwdev, sta, true);
2836         rtw89_mac_bf_disassoc(rtwdev, vif, sta);
2837         rtw89_core_free_sta_pending_ba(rtwdev, sta);
2838         rtw89_core_free_sta_pending_forbid_ba(rtwdev, sta);
2839         rtw89_core_free_sta_pending_roc_tx(rtwdev, sta);
2840
2841         if (vif->type == NL80211_IFTYPE_AP || sta->tdls)
2842                 rtw89_cam_deinit_addr_cam(rtwdev, &rtwsta->addr_cam);
2843         if (sta->tdls)
2844                 rtw89_cam_deinit_bssid_cam(rtwdev, &rtwsta->bssid_cam);
2845
2846         if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
2847                 rtw89_vif_type_mapping(vif, false);
2848                 rtw89_fw_release_general_pkt_list_vif(rtwdev, rtwvif, true);
2849         }
2850
2851         ret = rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, vif, sta);
2852         if (ret) {
2853                 rtw89_warn(rtwdev, "failed to send h2c cmac table\n");
2854                 return ret;
2855         }
2856
2857         ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, true);
2858         if (ret) {
2859                 rtw89_warn(rtwdev, "failed to send h2c join info\n");
2860                 return ret;
2861         }
2862
2863         /* update cam aid mac_id net_type */
2864         ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
2865         if (ret) {
2866                 rtw89_warn(rtwdev, "failed to send h2c cam\n");
2867                 return ret;
2868         }
2869
2870         return ret;
2871 }
2872
2873 int rtw89_core_sta_assoc(struct rtw89_dev *rtwdev,
2874                          struct ieee80211_vif *vif,
2875                          struct ieee80211_sta *sta)
2876 {
2877         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
2878         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
2879         struct rtw89_bssid_cam_entry *bssid_cam = rtw89_get_bssid_cam_of(rtwvif, rtwsta);
2880         int ret;
2881
2882         if (vif->type == NL80211_IFTYPE_AP || sta->tdls) {
2883                 if (sta->tdls) {
2884                         ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif, bssid_cam, sta->addr);
2885                         if (ret) {
2886                                 rtw89_warn(rtwdev, "failed to send h2c init bssid cam for TDLS\n");
2887                                 return ret;
2888                         }
2889                 }
2890
2891                 ret = rtw89_cam_init_addr_cam(rtwdev, &rtwsta->addr_cam, bssid_cam);
2892                 if (ret) {
2893                         rtw89_warn(rtwdev, "failed to send h2c init addr cam\n");
2894                         return ret;
2895                 }
2896         }
2897
2898         ret = rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, vif, sta);
2899         if (ret) {
2900                 rtw89_warn(rtwdev, "failed to send h2c cmac table\n");
2901                 return ret;
2902         }
2903
2904         ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, false);
2905         if (ret) {
2906                 rtw89_warn(rtwdev, "failed to send h2c join info\n");
2907                 return ret;
2908         }
2909
2910         /* update cam aid mac_id net_type */
2911         ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
2912         if (ret) {
2913                 rtw89_warn(rtwdev, "failed to send h2c cam\n");
2914                 return ret;
2915         }
2916
2917         rtwdev->total_sta_assoc++;
2918         if (sta->tdls)
2919                 rtwvif->tdls_peer++;
2920         rtw89_phy_ra_assoc(rtwdev, sta);
2921         rtw89_mac_bf_assoc(rtwdev, vif, sta);
2922         rtw89_mac_bf_monitor_calc(rtwdev, sta, false);
2923
2924         if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
2925                 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2926
2927                 if (bss_conf->he_support &&
2928                     !(bss_conf->he_oper.params & IEEE80211_HE_OPERATION_ER_SU_DISABLE))
2929                         rtwsta->er_cap = true;
2930
2931                 rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta,
2932                                          BTC_ROLE_MSTS_STA_CONN_END);
2933                 rtw89_core_get_no_ul_ofdma_htc(rtwdev, &rtwsta->htc_template);
2934                 rtw89_phy_ul_tb_assoc(rtwdev, rtwvif);
2935
2936                 ret = rtw89_fw_h2c_general_pkt(rtwdev, rtwvif, rtwsta->mac_id);
2937                 if (ret) {
2938                         rtw89_warn(rtwdev, "failed to send h2c general packet\n");
2939                         return ret;
2940                 }
2941         }
2942
2943         return ret;
2944 }
2945
2946 int rtw89_core_sta_remove(struct rtw89_dev *rtwdev,
2947                           struct ieee80211_vif *vif,
2948                           struct ieee80211_sta *sta)
2949 {
2950         struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
2951         struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv;
2952         int ret;
2953
2954         if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
2955                 rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta,
2956                                          BTC_ROLE_MSTS_STA_DIS_CONN);
2957         else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) {
2958                 rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id);
2959
2960                 ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, rtwsta,
2961                                                  RTW89_ROLE_REMOVE);
2962                 if (ret) {
2963                         rtw89_warn(rtwdev, "failed to send h2c role info\n");
2964                         return ret;
2965                 }
2966         }
2967
2968         return 0;
2969 }
2970
2971 static void _rtw89_core_set_tid_config(struct rtw89_dev *rtwdev,
2972                                        struct ieee80211_sta *sta,
2973                                        struct cfg80211_tid_cfg *tid_conf)
2974 {
2975         struct ieee80211_txq *txq;
2976         struct rtw89_txq *rtwtxq;
2977         u32 mask = tid_conf->mask;
2978         u8 tids = tid_conf->tids;
2979         int tids_nbit = BITS_PER_BYTE;
2980         int i;
2981
2982         for (i = 0; i < tids_nbit; i++, tids >>= 1) {
2983                 if (!tids)
2984                         break;
2985
2986                 if (!(tids & BIT(0)))
2987                         continue;
2988
2989                 txq = sta->txq[i];
2990                 rtwtxq = (struct rtw89_txq *)txq->drv_priv;
2991
2992                 if (mask & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) {
2993                         if (tid_conf->ampdu == NL80211_TID_CONFIG_ENABLE) {
2994                                 clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags);
2995                         } else {
2996                                 if (test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags))
2997                                         ieee80211_stop_tx_ba_session(sta, txq->tid);
2998                                 spin_lock_bh(&rtwdev->ba_lock);
2999                                 list_del_init(&rtwtxq->list);
3000                                 set_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags);
3001                                 spin_unlock_bh(&rtwdev->ba_lock);
3002                         }
3003                 }
3004
3005                 if (mask & BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL) && tids == 0xff) {
3006                         if (tid_conf->amsdu == NL80211_TID_CONFIG_ENABLE)
3007                                 sta->max_amsdu_subframes = 0;
3008                         else
3009                                 sta->max_amsdu_subframes = 1;
3010                 }
3011         }
3012 }
3013
3014 void rtw89_core_set_tid_config(struct rtw89_dev *rtwdev,
3015                                struct ieee80211_sta *sta,
3016                                struct cfg80211_tid_config *tid_config)
3017 {
3018         int i;
3019
3020         for (i = 0; i < tid_config->n_tid_conf; i++)
3021                 _rtw89_core_set_tid_config(rtwdev, sta,
3022                                            &tid_config->tid_conf[i]);
3023 }
3024
3025 static void rtw89_init_ht_cap(struct rtw89_dev *rtwdev,
3026                               struct ieee80211_sta_ht_cap *ht_cap)
3027 {
3028         static const __le16 highest[RF_PATH_MAX] = {
3029                 cpu_to_le16(150), cpu_to_le16(300), cpu_to_le16(450), cpu_to_le16(600),
3030         };
3031         struct rtw89_hal *hal = &rtwdev->hal;
3032         u8 nss = hal->rx_nss;
3033         int i;
3034
3035         ht_cap->ht_supported = true;
3036         ht_cap->cap = 0;
3037         ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 |
3038                        IEEE80211_HT_CAP_MAX_AMSDU |
3039                        IEEE80211_HT_CAP_TX_STBC |
3040                        (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
3041         ht_cap->cap |= IEEE80211_HT_CAP_LDPC_CODING;
3042         ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
3043                        IEEE80211_HT_CAP_DSSSCCK40 |
3044                        IEEE80211_HT_CAP_SGI_40;
3045         ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
3046         ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
3047         ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
3048         for (i = 0; i < nss; i++)
3049                 ht_cap->mcs.rx_mask[i] = 0xFF;
3050         ht_cap->mcs.rx_mask[4] = 0x01;
3051         ht_cap->mcs.rx_highest = highest[nss - 1];
3052 }
3053
3054 static void rtw89_init_vht_cap(struct rtw89_dev *rtwdev,
3055                                struct ieee80211_sta_vht_cap *vht_cap)
3056 {
3057         static const __le16 highest_bw80[RF_PATH_MAX] = {
3058                 cpu_to_le16(433), cpu_to_le16(867), cpu_to_le16(1300), cpu_to_le16(1733),
3059         };
3060         static const __le16 highest_bw160[RF_PATH_MAX] = {
3061                 cpu_to_le16(867), cpu_to_le16(1733), cpu_to_le16(2600), cpu_to_le16(3467),
3062         };
3063         const struct rtw89_chip_info *chip = rtwdev->chip;
3064         const __le16 *highest = chip->support_bw160 ? highest_bw160 : highest_bw80;
3065         struct rtw89_hal *hal = &rtwdev->hal;
3066         u16 tx_mcs_map = 0, rx_mcs_map = 0;
3067         u8 sts_cap = 3;
3068         int i;
3069
3070         for (i = 0; i < 8; i++) {
3071                 if (i < hal->tx_nss)
3072                         tx_mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
3073                 else
3074                         tx_mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
3075                 if (i < hal->rx_nss)
3076                         rx_mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
3077                 else
3078                         rx_mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
3079         }
3080
3081         vht_cap->vht_supported = true;
3082         vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
3083                        IEEE80211_VHT_CAP_SHORT_GI_80 |
3084                        IEEE80211_VHT_CAP_RXSTBC_1 |
3085                        IEEE80211_VHT_CAP_HTC_VHT |
3086                        IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
3087                        0;
3088         vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC;
3089         vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC;
3090         vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
3091                         IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
3092         vht_cap->cap |= sts_cap << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
3093         if (chip->support_bw160)
3094                 vht_cap->cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
3095                                 IEEE80211_VHT_CAP_SHORT_GI_160;
3096         vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(rx_mcs_map);
3097         vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(tx_mcs_map);
3098         vht_cap->vht_mcs.rx_highest = highest[hal->rx_nss - 1];
3099         vht_cap->vht_mcs.tx_highest = highest[hal->tx_nss - 1];
3100 }
3101
3102 #define RTW89_SBAND_IFTYPES_NR 2
3103
3104 static void rtw89_init_he_cap(struct rtw89_dev *rtwdev,
3105                               enum nl80211_band band,
3106                               struct ieee80211_supported_band *sband)
3107 {
3108         const struct rtw89_chip_info *chip = rtwdev->chip;
3109         struct rtw89_hal *hal = &rtwdev->hal;
3110         struct ieee80211_sband_iftype_data *iftype_data;
3111         bool no_ng16 = (chip->chip_id == RTL8852A && hal->cv == CHIP_CBV) ||
3112                        (chip->chip_id == RTL8852B && hal->cv == CHIP_CAV);
3113         u16 mcs_map = 0;
3114         int i;
3115         int nss = hal->rx_nss;
3116         int idx = 0;
3117
3118         iftype_data = kcalloc(RTW89_SBAND_IFTYPES_NR, sizeof(*iftype_data), GFP_KERNEL);
3119         if (!iftype_data)
3120                 return;
3121
3122         for (i = 0; i < 8; i++) {
3123                 if (i < nss)
3124                         mcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);
3125                 else
3126                         mcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);
3127         }
3128
3129         for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
3130                 struct ieee80211_sta_he_cap *he_cap;
3131                 u8 *mac_cap_info;
3132                 u8 *phy_cap_info;
3133
3134                 switch (i) {
3135                 case NL80211_IFTYPE_STATION:
3136                 case NL80211_IFTYPE_AP:
3137                         break;
3138                 default:
3139                         continue;
3140                 }
3141
3142                 if (idx >= RTW89_SBAND_IFTYPES_NR) {
3143                         rtw89_warn(rtwdev, "run out of iftype_data\n");
3144                         break;
3145                 }
3146
3147                 iftype_data[idx].types_mask = BIT(i);
3148                 he_cap = &iftype_data[idx].he_cap;
3149                 mac_cap_info = he_cap->he_cap_elem.mac_cap_info;
3150                 phy_cap_info = he_cap->he_cap_elem.phy_cap_info;
3151
3152                 he_cap->has_he = true;
3153                 mac_cap_info[0] = IEEE80211_HE_MAC_CAP0_HTC_HE;
3154                 if (i == NL80211_IFTYPE_STATION)
3155                         mac_cap_info[1] = IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
3156                 mac_cap_info[2] = IEEE80211_HE_MAC_CAP2_ALL_ACK |
3157                                   IEEE80211_HE_MAC_CAP2_BSR;
3158                 mac_cap_info[3] = IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2;
3159                 if (i == NL80211_IFTYPE_AP)
3160                         mac_cap_info[3] |= IEEE80211_HE_MAC_CAP3_OMI_CONTROL;
3161                 mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_OPS |
3162                                   IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
3163                 if (i == NL80211_IFTYPE_STATION)
3164                         mac_cap_info[5] = IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX;
3165                 if (band == NL80211_BAND_2GHZ) {
3166                         phy_cap_info[0] =
3167                                 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
3168                 } else {
3169                         phy_cap_info[0] =
3170                                 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
3171                         if (chip->support_bw160)
3172                                 phy_cap_info[0] |= IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
3173                 }
3174                 phy_cap_info[1] = IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
3175                                   IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD |
3176                                   IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
3177                 phy_cap_info[2] = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
3178                                   IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
3179                                   IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
3180                                   IEEE80211_HE_PHY_CAP2_DOPPLER_TX;
3181                 phy_cap_info[3] = IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM;
3182                 if (i == NL80211_IFTYPE_STATION)
3183                         phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM |
3184                                            IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2;
3185                 if (i == NL80211_IFTYPE_AP)
3186                         phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU;
3187                 phy_cap_info[4] = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
3188                                   IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4;
3189                 if (chip->support_bw160)
3190                         phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
3191                 phy_cap_info[5] = no_ng16 ? 0 :
3192                                   IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK |
3193                                   IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;
3194                 phy_cap_info[6] = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
3195                                   IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |
3196                                   IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
3197                                   IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE;
3198                 phy_cap_info[7] = IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
3199                                   IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI |
3200                                   IEEE80211_HE_PHY_CAP7_MAX_NC_1;
3201                 phy_cap_info[8] = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI |
3202                                   IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI |
3203                                   IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996;
3204                 if (chip->support_bw160)
3205                         phy_cap_info[8] |= IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
3206                                            IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
3207                 phy_cap_info[9] = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
3208                                   IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
3209                                   IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
3210                                   IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB |
3211                                   u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
3212                                                  IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
3213                 if (i == NL80211_IFTYPE_STATION)
3214                         phy_cap_info[9] |= IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;
3215                 he_cap->he_mcs_nss_supp.rx_mcs_80 = cpu_to_le16(mcs_map);
3216                 he_cap->he_mcs_nss_supp.tx_mcs_80 = cpu_to_le16(mcs_map);
3217                 if (chip->support_bw160) {
3218                         he_cap->he_mcs_nss_supp.rx_mcs_160 = cpu_to_le16(mcs_map);
3219                         he_cap->he_mcs_nss_supp.tx_mcs_160 = cpu_to_le16(mcs_map);
3220                 }
3221
3222                 if (band == NL80211_BAND_6GHZ) {
3223                         __le16 capa;
3224
3225                         capa = le16_encode_bits(IEEE80211_HT_MPDU_DENSITY_NONE,
3226                                                 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
3227                                le16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
3228                                                 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
3229                                le16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
3230                                                 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
3231                         iftype_data[idx].he_6ghz_capa.capa = capa;
3232                 }
3233
3234                 idx++;
3235         }
3236
3237         sband->iftype_data = iftype_data;
3238         sband->n_iftype_data = idx;
3239 }
3240
3241 static int rtw89_core_set_supported_band(struct rtw89_dev *rtwdev)
3242 {
3243         struct ieee80211_hw *hw = rtwdev->hw;
3244         struct ieee80211_supported_band *sband_2ghz = NULL, *sband_5ghz = NULL;
3245         struct ieee80211_supported_band *sband_6ghz = NULL;
3246         u32 size = sizeof(struct ieee80211_supported_band);
3247         u8 support_bands = rtwdev->chip->support_bands;
3248
3249         if (support_bands & BIT(NL80211_BAND_2GHZ)) {
3250                 sband_2ghz = kmemdup(&rtw89_sband_2ghz, size, GFP_KERNEL);
3251                 if (!sband_2ghz)
3252                         goto err;
3253                 rtw89_init_ht_cap(rtwdev, &sband_2ghz->ht_cap);
3254                 rtw89_init_he_cap(rtwdev, NL80211_BAND_2GHZ, sband_2ghz);
3255                 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband_2ghz;
3256         }
3257
3258         if (support_bands & BIT(NL80211_BAND_5GHZ)) {
3259                 sband_5ghz = kmemdup(&rtw89_sband_5ghz, size, GFP_KERNEL);
3260                 if (!sband_5ghz)
3261                         goto err;
3262                 rtw89_init_ht_cap(rtwdev, &sband_5ghz->ht_cap);
3263                 rtw89_init_vht_cap(rtwdev, &sband_5ghz->vht_cap);
3264                 rtw89_init_he_cap(rtwdev, NL80211_BAND_5GHZ, sband_5ghz);
3265                 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband_5ghz;
3266         }
3267
3268         if (support_bands & BIT(NL80211_BAND_6GHZ)) {
3269                 sband_6ghz = kmemdup(&rtw89_sband_6ghz, size, GFP_KERNEL);
3270                 if (!sband_6ghz)
3271                         goto err;
3272                 rtw89_init_he_cap(rtwdev, NL80211_BAND_6GHZ, sband_6ghz);
3273                 hw->wiphy->bands[NL80211_BAND_6GHZ] = sband_6ghz;
3274         }
3275
3276         return 0;
3277
3278 err:
3279         hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL;
3280         hw->wiphy->bands[NL80211_BAND_5GHZ] = NULL;
3281         hw->wiphy->bands[NL80211_BAND_6GHZ] = NULL;
3282         if (sband_2ghz)
3283                 kfree(sband_2ghz->iftype_data);
3284         if (sband_5ghz)
3285                 kfree(sband_5ghz->iftype_data);
3286         if (sband_6ghz)
3287                 kfree(sband_6ghz->iftype_data);
3288         kfree(sband_2ghz);
3289         kfree(sband_5ghz);
3290         kfree(sband_6ghz);
3291         return -ENOMEM;
3292 }
3293
3294 static void rtw89_core_clr_supported_band(struct rtw89_dev *rtwdev)
3295 {
3296         struct ieee80211_hw *hw = rtwdev->hw;
3297
3298         kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]->iftype_data);
3299         kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]->iftype_data);
3300         if (hw->wiphy->bands[NL80211_BAND_6GHZ])
3301                 kfree(hw->wiphy->bands[NL80211_BAND_6GHZ]->iftype_data);
3302         kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]);
3303         kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]);
3304         kfree(hw->wiphy->bands[NL80211_BAND_6GHZ]);
3305         hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL;
3306         hw->wiphy->bands[NL80211_BAND_5GHZ] = NULL;
3307         hw->wiphy->bands[NL80211_BAND_6GHZ] = NULL;
3308 }
3309
3310 static void rtw89_core_ppdu_sts_init(struct rtw89_dev *rtwdev)
3311 {
3312         int i;
3313
3314         for (i = 0; i < RTW89_PHY_MAX; i++)
3315                 skb_queue_head_init(&rtwdev->ppdu_sts.rx_queue[i]);
3316         for (i = 0; i < RTW89_PHY_MAX; i++)
3317                 rtwdev->ppdu_sts.curr_rx_ppdu_cnt[i] = U8_MAX;
3318 }
3319
3320 void rtw89_core_update_beacon_work(struct work_struct *work)
3321 {
3322         struct rtw89_dev *rtwdev;
3323         struct rtw89_vif *rtwvif = container_of(work, struct rtw89_vif,
3324                                                 update_beacon_work);
3325
3326         if (rtwvif->net_type != RTW89_NET_TYPE_AP_MODE)
3327                 return;
3328
3329         rtwdev = rtwvif->rtwdev;
3330         mutex_lock(&rtwdev->mutex);
3331         rtw89_fw_h2c_update_beacon(rtwdev, rtwvif);
3332         mutex_unlock(&rtwdev->mutex);
3333 }
3334
3335 int rtw89_wait_for_cond(struct rtw89_wait_info *wait, unsigned int cond)
3336 {
3337         struct completion *cmpl = &wait->completion;
3338         unsigned long timeout;
3339         unsigned int cur;
3340
3341         cur = atomic_cmpxchg(&wait->cond, RTW89_WAIT_COND_IDLE, cond);
3342         if (cur != RTW89_WAIT_COND_IDLE)
3343                 return -EBUSY;
3344
3345         timeout = wait_for_completion_timeout(cmpl, RTW89_WAIT_FOR_COND_TIMEOUT);
3346         if (timeout == 0) {
3347                 atomic_set(&wait->cond, RTW89_WAIT_COND_IDLE);
3348                 return -ETIMEDOUT;
3349         }
3350
3351         if (wait->data.err)
3352                 return -EFAULT;
3353
3354         return 0;
3355 }
3356
3357 void rtw89_complete_cond(struct rtw89_wait_info *wait, unsigned int cond,
3358                          const struct rtw89_completion_data *data)
3359 {
3360         unsigned int cur;
3361
3362         cur = atomic_cmpxchg(&wait->cond, cond, RTW89_WAIT_COND_IDLE);
3363         if (cur != cond)
3364                 return;
3365
3366         wait->data = *data;
3367         complete(&wait->completion);
3368 }
3369
3370 int rtw89_core_start(struct rtw89_dev *rtwdev)
3371 {
3372         int ret;
3373
3374         rtwdev->mac.qta_mode = RTW89_QTA_SCC;
3375         ret = rtw89_mac_init(rtwdev);
3376         if (ret) {
3377                 rtw89_err(rtwdev, "mac init fail, ret:%d\n", ret);
3378                 return ret;
3379         }
3380
3381         rtw89_btc_ntfy_poweron(rtwdev);
3382
3383         /* efuse process */
3384
3385         /* pre-config BB/RF, BB reset/RFC reset */
3386         ret = rtw89_chip_disable_bb_rf(rtwdev);
3387         if (ret)
3388                 return ret;
3389         ret = rtw89_chip_enable_bb_rf(rtwdev);
3390         if (ret)
3391                 return ret;
3392
3393         rtw89_phy_init_bb_reg(rtwdev);
3394         rtw89_phy_init_rf_reg(rtwdev, false);
3395
3396         rtw89_btc_ntfy_init(rtwdev, BTC_MODE_NORMAL);
3397
3398         rtw89_phy_dm_init(rtwdev);
3399
3400         rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, true);
3401         rtw89_mac_update_rts_threshold(rtwdev, RTW89_MAC_0);
3402
3403         ret = rtw89_hci_start(rtwdev);
3404         if (ret) {
3405                 rtw89_err(rtwdev, "failed to start hci\n");
3406                 return ret;
3407         }
3408
3409         ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->track_work,
3410                                      RTW89_TRACK_WORK_PERIOD);
3411
3412         set_bit(RTW89_FLAG_RUNNING, rtwdev->flags);
3413
3414         rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_ON);
3415         rtw89_fw_h2c_fw_log(rtwdev, rtwdev->fw.fw_log_enable);
3416         rtw89_fw_h2c_init_ba_cam(rtwdev);
3417
3418         return 0;
3419 }
3420
3421 void rtw89_core_stop(struct rtw89_dev *rtwdev)
3422 {
3423         struct rtw89_btc *btc = &rtwdev->btc;
3424
3425         /* Prvent to stop twice; enter_ips and ops_stop */
3426         if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags))
3427                 return;
3428
3429         rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_OFF);
3430
3431         clear_bit(RTW89_FLAG_RUNNING, rtwdev->flags);
3432
3433         mutex_unlock(&rtwdev->mutex);
3434
3435         cancel_work_sync(&rtwdev->c2h_work);
3436         cancel_work_sync(&btc->eapol_notify_work);
3437         cancel_work_sync(&btc->arp_notify_work);
3438         cancel_work_sync(&btc->dhcp_notify_work);
3439         cancel_work_sync(&btc->icmp_notify_work);
3440         cancel_delayed_work_sync(&rtwdev->txq_reinvoke_work);
3441         cancel_delayed_work_sync(&rtwdev->track_work);
3442         cancel_delayed_work_sync(&rtwdev->coex_act1_work);
3443         cancel_delayed_work_sync(&rtwdev->coex_bt_devinfo_work);
3444         cancel_delayed_work_sync(&rtwdev->coex_rfk_chk_work);
3445         cancel_delayed_work_sync(&rtwdev->cfo_track_work);
3446         cancel_delayed_work_sync(&rtwdev->forbid_ba_work);
3447
3448         mutex_lock(&rtwdev->mutex);
3449
3450         rtw89_btc_ntfy_poweroff(rtwdev);
3451         rtw89_hci_flush_queues(rtwdev, BIT(rtwdev->hw->queues) - 1, true);
3452         rtw89_mac_flush_txq(rtwdev, BIT(rtwdev->hw->queues) - 1, true);
3453         rtw89_hci_stop(rtwdev);
3454         rtw89_hci_deinit(rtwdev);
3455         rtw89_mac_pwr_off(rtwdev);
3456         rtw89_hci_reset(rtwdev);
3457 }
3458
3459 int rtw89_core_init(struct rtw89_dev *rtwdev)
3460 {
3461         struct rtw89_btc *btc = &rtwdev->btc;
3462         u8 band;
3463
3464         INIT_LIST_HEAD(&rtwdev->ba_list);
3465         INIT_LIST_HEAD(&rtwdev->forbid_ba_list);
3466         INIT_LIST_HEAD(&rtwdev->rtwvifs_list);
3467         INIT_LIST_HEAD(&rtwdev->early_h2c_list);
3468         for (band = NL80211_BAND_2GHZ; band < NUM_NL80211_BANDS; band++) {
3469                 if (!(rtwdev->chip->support_bands & BIT(band)))
3470                         continue;
3471                 INIT_LIST_HEAD(&rtwdev->scan_info.pkt_list[band]);
3472         }
3473         INIT_WORK(&rtwdev->ba_work, rtw89_core_ba_work);
3474         INIT_WORK(&rtwdev->txq_work, rtw89_core_txq_work);
3475         INIT_DELAYED_WORK(&rtwdev->txq_reinvoke_work, rtw89_core_txq_reinvoke_work);
3476         INIT_DELAYED_WORK(&rtwdev->track_work, rtw89_track_work);
3477         INIT_DELAYED_WORK(&rtwdev->coex_act1_work, rtw89_coex_act1_work);
3478         INIT_DELAYED_WORK(&rtwdev->coex_bt_devinfo_work, rtw89_coex_bt_devinfo_work);
3479         INIT_DELAYED_WORK(&rtwdev->coex_rfk_chk_work, rtw89_coex_rfk_chk_work);
3480         INIT_DELAYED_WORK(&rtwdev->cfo_track_work, rtw89_phy_cfo_track_work);
3481         INIT_DELAYED_WORK(&rtwdev->forbid_ba_work, rtw89_forbid_ba_work);
3482         rtwdev->txq_wq = alloc_workqueue("rtw89_tx_wq", WQ_UNBOUND | WQ_HIGHPRI, 0);
3483         if (!rtwdev->txq_wq)
3484                 return -ENOMEM;
3485         spin_lock_init(&rtwdev->ba_lock);
3486         spin_lock_init(&rtwdev->rpwm_lock);
3487         mutex_init(&rtwdev->mutex);
3488         mutex_init(&rtwdev->rf_mutex);
3489         rtwdev->total_sta_assoc = 0;
3490
3491         rtw89_init_wait(&rtwdev->mcc.wait);
3492
3493         INIT_WORK(&rtwdev->c2h_work, rtw89_fw_c2h_work);
3494         INIT_WORK(&rtwdev->ips_work, rtw89_ips_work);
3495         INIT_WORK(&rtwdev->load_firmware_work, rtw89_load_firmware_work);
3496
3497         skb_queue_head_init(&rtwdev->c2h_queue);
3498         rtw89_core_ppdu_sts_init(rtwdev);
3499         rtw89_traffic_stats_init(rtwdev, &rtwdev->stats);
3500
3501         rtwdev->hal.rx_fltr = DEFAULT_AX_RX_FLTR;
3502
3503         INIT_WORK(&btc->eapol_notify_work, rtw89_btc_ntfy_eapol_packet_work);
3504         INIT_WORK(&btc->arp_notify_work, rtw89_btc_ntfy_arp_packet_work);
3505         INIT_WORK(&btc->dhcp_notify_work, rtw89_btc_ntfy_dhcp_packet_work);
3506         INIT_WORK(&btc->icmp_notify_work, rtw89_btc_ntfy_icmp_packet_work);
3507
3508         init_completion(&rtwdev->fw.req.completion);
3509
3510         schedule_work(&rtwdev->load_firmware_work);
3511
3512         rtw89_ser_init(rtwdev);
3513         rtw89_entity_init(rtwdev);
3514
3515         return 0;
3516 }
3517 EXPORT_SYMBOL(rtw89_core_init);
3518
3519 void rtw89_core_deinit(struct rtw89_dev *rtwdev)
3520 {
3521         rtw89_ser_deinit(rtwdev);
3522         rtw89_unload_firmware(rtwdev);
3523         rtw89_fw_free_all_early_h2c(rtwdev);
3524
3525         destroy_workqueue(rtwdev->txq_wq);
3526         mutex_destroy(&rtwdev->rf_mutex);
3527         mutex_destroy(&rtwdev->mutex);
3528 }
3529 EXPORT_SYMBOL(rtw89_core_deinit);
3530
3531 void rtw89_core_scan_start(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
3532                            const u8 *mac_addr, bool hw_scan)
3533 {
3534         const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
3535
3536         rtwdev->scanning = true;
3537         rtw89_leave_lps(rtwdev);
3538         if (hw_scan)
3539                 rtw89_leave_ips_by_hwflags(rtwdev);
3540
3541         ether_addr_copy(rtwvif->mac_addr, mac_addr);
3542         rtw89_btc_ntfy_scan_start(rtwdev, RTW89_PHY_0, chan->band_type);
3543         rtw89_chip_rfk_scan(rtwdev, true);
3544         rtw89_hci_recalc_int_mit(rtwdev);
3545         rtw89_phy_config_edcca(rtwdev, true);
3546
3547         rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, mac_addr);
3548 }
3549
3550 void rtw89_core_scan_complete(struct rtw89_dev *rtwdev,
3551                               struct ieee80211_vif *vif, bool hw_scan)
3552 {
3553         struct rtw89_vif *rtwvif = vif ? (struct rtw89_vif *)vif->drv_priv : NULL;
3554
3555         if (!rtwvif)
3556                 return;
3557
3558         ether_addr_copy(rtwvif->mac_addr, vif->addr);
3559         rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, NULL);
3560
3561         rtw89_chip_rfk_scan(rtwdev, false);
3562         rtw89_btc_ntfy_scan_finish(rtwdev, RTW89_PHY_0);
3563         rtw89_phy_config_edcca(rtwdev, false);
3564
3565         rtwdev->scanning = false;
3566         rtwdev->dig.bypass_dig = true;
3567         if (hw_scan && (rtwdev->hw->conf.flags & IEEE80211_CONF_IDLE))
3568                 ieee80211_queue_work(rtwdev->hw, &rtwdev->ips_work);
3569 }
3570
3571 static void rtw89_read_chip_ver(struct rtw89_dev *rtwdev)
3572 {
3573         const struct rtw89_chip_info *chip = rtwdev->chip;
3574         int ret;
3575         u8 val;
3576         u8 cv;
3577
3578         cv = rtw89_read32_mask(rtwdev, R_AX_SYS_CFG1, B_AX_CHIP_VER_MASK);
3579         if (chip->chip_id == RTL8852A && cv <= CHIP_CBV) {
3580                 if (rtw89_read32(rtwdev, R_AX_GPIO0_7_FUNC_SEL) == RTW89_R32_DEAD)
3581                         cv = CHIP_CAV;
3582                 else
3583                         cv = CHIP_CBV;
3584         }
3585
3586         rtwdev->hal.cv = cv;
3587
3588         if (chip->chip_id == RTL8852B || chip->chip_id == RTL8851B) {
3589                 ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CV, &val);
3590                 if (!ret)
3591                         return;
3592
3593                 rtwdev->hal.acv = u8_get_bits(val, XTAL_SI_ACV_MASK);
3594         }
3595 }
3596
3597 static void rtw89_core_setup_phycap(struct rtw89_dev *rtwdev)
3598 {
3599         rtwdev->hal.support_cckpd =
3600                 !(rtwdev->chip->chip_id == RTL8852A && rtwdev->hal.cv <= CHIP_CBV) &&
3601                 !(rtwdev->chip->chip_id == RTL8852B && rtwdev->hal.cv <= CHIP_CAV);
3602         rtwdev->hal.support_igi =
3603                 rtwdev->chip->chip_id == RTL8852A && rtwdev->hal.cv <= CHIP_CBV;
3604 }
3605
3606 static void rtw89_core_setup_rfe_parms(struct rtw89_dev *rtwdev)
3607 {
3608         const struct rtw89_chip_info *chip = rtwdev->chip;
3609         const struct rtw89_rfe_parms_conf *conf = chip->rfe_parms_conf;
3610         struct rtw89_efuse *efuse = &rtwdev->efuse;
3611         u8 rfe_type = efuse->rfe_type;
3612
3613         if (!conf)
3614                 goto out;
3615
3616         while (conf->rfe_parms) {
3617                 if (rfe_type == conf->rfe_type) {
3618                         rtwdev->rfe_parms = conf->rfe_parms;
3619                         return;
3620                 }
3621                 conf++;
3622         }
3623
3624 out:
3625         rtwdev->rfe_parms = chip->dflt_parms;
3626 }
3627
3628 static int rtw89_chip_efuse_info_setup(struct rtw89_dev *rtwdev)
3629 {
3630         int ret;
3631
3632         ret = rtw89_mac_partial_init(rtwdev);
3633         if (ret)
3634                 return ret;
3635
3636         ret = rtw89_parse_efuse_map(rtwdev);
3637         if (ret)
3638                 return ret;
3639
3640         ret = rtw89_parse_phycap_map(rtwdev);
3641         if (ret)
3642                 return ret;
3643
3644         ret = rtw89_mac_setup_phycap(rtwdev);
3645         if (ret)
3646                 return ret;
3647
3648         rtw89_core_setup_phycap(rtwdev);
3649         rtw89_core_setup_rfe_parms(rtwdev);
3650
3651         rtw89_mac_pwr_off(rtwdev);
3652
3653         return 0;
3654 }
3655
3656 static int rtw89_chip_board_info_setup(struct rtw89_dev *rtwdev)
3657 {
3658         rtw89_chip_fem_setup(rtwdev);
3659
3660         return 0;
3661 }
3662
3663 int rtw89_chip_info_setup(struct rtw89_dev *rtwdev)
3664 {
3665         int ret;
3666
3667         rtw89_read_chip_ver(rtwdev);
3668
3669         ret = rtw89_wait_firmware_completion(rtwdev);
3670         if (ret) {
3671                 rtw89_err(rtwdev, "failed to wait firmware completion\n");
3672                 return ret;
3673         }
3674
3675         ret = rtw89_fw_recognize(rtwdev);
3676         if (ret) {
3677                 rtw89_err(rtwdev, "failed to recognize firmware\n");
3678                 return ret;
3679         }
3680
3681         ret = rtw89_chip_efuse_info_setup(rtwdev);
3682         if (ret)
3683                 return ret;
3684
3685         ret = rtw89_chip_board_info_setup(rtwdev);
3686         if (ret)
3687                 return ret;
3688
3689         rtwdev->ps_mode = rtw89_update_ps_mode(rtwdev);
3690
3691         return 0;
3692 }
3693 EXPORT_SYMBOL(rtw89_chip_info_setup);
3694
3695 static int rtw89_core_register_hw(struct rtw89_dev *rtwdev)
3696 {
3697         struct ieee80211_hw *hw = rtwdev->hw;
3698         struct rtw89_efuse *efuse = &rtwdev->efuse;
3699         int ret;
3700         int tx_headroom = IEEE80211_HT_CTL_LEN;
3701
3702         hw->vif_data_size = sizeof(struct rtw89_vif);
3703         hw->sta_data_size = sizeof(struct rtw89_sta);
3704         hw->txq_data_size = sizeof(struct rtw89_txq);
3705         hw->chanctx_data_size = sizeof(struct rtw89_chanctx_cfg);
3706
3707         SET_IEEE80211_PERM_ADDR(hw, efuse->addr);
3708
3709         hw->extra_tx_headroom = tx_headroom;
3710         hw->queues = IEEE80211_NUM_ACS;
3711         hw->max_rx_aggregation_subframes = RTW89_MAX_RX_AGG_NUM;
3712         hw->max_tx_aggregation_subframes = RTW89_MAX_TX_AGG_NUM;
3713         hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL;
3714
3715         ieee80211_hw_set(hw, SIGNAL_DBM);
3716         ieee80211_hw_set(hw, HAS_RATE_CONTROL);
3717         ieee80211_hw_set(hw, MFP_CAPABLE);
3718         ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
3719         ieee80211_hw_set(hw, AMPDU_AGGREGATION);
3720         ieee80211_hw_set(hw, RX_INCLUDES_FCS);
3721         ieee80211_hw_set(hw, TX_AMSDU);
3722         ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
3723         ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
3724         ieee80211_hw_set(hw, SUPPORTS_PS);
3725         ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
3726         ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
3727         ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
3728         ieee80211_hw_set(hw, WANT_MONITOR_VIF);
3729         if (RTW89_CHK_FW_FEATURE(BEACON_FILTER, &rtwdev->fw))
3730                 ieee80211_hw_set(hw, CONNECTION_MONITOR);
3731
3732         hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3733                                      BIT(NL80211_IFTYPE_AP) |
3734                                      BIT(NL80211_IFTYPE_P2P_CLIENT) |
3735                                      BIT(NL80211_IFTYPE_P2P_GO);
3736
3737         hw->wiphy->available_antennas_tx = BIT(rtwdev->chip->rf_path_num) - 1;
3738         hw->wiphy->available_antennas_rx = BIT(rtwdev->chip->rf_path_num) - 1;
3739
3740         hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
3741                             WIPHY_FLAG_TDLS_EXTERNAL_SETUP |
3742                             WIPHY_FLAG_AP_UAPSD | WIPHY_FLAG_SPLIT_SCAN_6GHZ;
3743         hw->wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
3744
3745         hw->wiphy->max_scan_ssids = RTW89_SCANOFLD_MAX_SSID;
3746         hw->wiphy->max_scan_ie_len = RTW89_SCANOFLD_MAX_IE_LEN;
3747
3748 #ifdef CONFIG_PM
3749         hw->wiphy->wowlan = rtwdev->chip->wowlan_stub;
3750 #endif
3751
3752         hw->wiphy->tid_config_support.vif |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
3753         hw->wiphy->tid_config_support.peer |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
3754         hw->wiphy->tid_config_support.vif |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
3755         hw->wiphy->tid_config_support.peer |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
3756         hw->wiphy->max_remain_on_channel_duration = 1000;
3757
3758         wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
3759
3760         ret = rtw89_core_set_supported_band(rtwdev);
3761         if (ret) {
3762                 rtw89_err(rtwdev, "failed to set supported band\n");
3763                 return ret;
3764         }
3765
3766         hw->wiphy->reg_notifier = rtw89_regd_notifier;
3767         hw->wiphy->sar_capa = &rtw89_sar_capa;
3768
3769         ret = ieee80211_register_hw(hw);
3770         if (ret) {
3771                 rtw89_err(rtwdev, "failed to register hw\n");
3772                 goto err_free_supported_band;
3773         }
3774
3775         ret = rtw89_regd_init(rtwdev, rtw89_regd_notifier);
3776         if (ret) {
3777                 rtw89_err(rtwdev, "failed to init regd\n");
3778                 goto err_unregister_hw;
3779         }
3780
3781         return 0;
3782
3783 err_unregister_hw:
3784         ieee80211_unregister_hw(hw);
3785 err_free_supported_band:
3786         rtw89_core_clr_supported_band(rtwdev);
3787
3788         return ret;
3789 }
3790
3791 static void rtw89_core_unregister_hw(struct rtw89_dev *rtwdev)
3792 {
3793         struct ieee80211_hw *hw = rtwdev->hw;
3794
3795         ieee80211_unregister_hw(hw);
3796         rtw89_core_clr_supported_band(rtwdev);
3797 }
3798
3799 int rtw89_core_register(struct rtw89_dev *rtwdev)
3800 {
3801         int ret;
3802
3803         ret = rtw89_core_register_hw(rtwdev);
3804         if (ret) {
3805                 rtw89_err(rtwdev, "failed to register core hw\n");
3806                 return ret;
3807         }
3808
3809         rtw89_debugfs_init(rtwdev);
3810
3811         return 0;
3812 }
3813 EXPORT_SYMBOL(rtw89_core_register);
3814
3815 void rtw89_core_unregister(struct rtw89_dev *rtwdev)
3816 {
3817         rtw89_core_unregister_hw(rtwdev);
3818 }
3819 EXPORT_SYMBOL(rtw89_core_unregister);
3820
3821 struct rtw89_dev *rtw89_alloc_ieee80211_hw(struct device *device,
3822                                            u32 bus_data_size,
3823                                            const struct rtw89_chip_info *chip)
3824 {
3825         struct rtw89_fw_info early_fw = {};
3826         const struct firmware *firmware;
3827         struct ieee80211_hw *hw;
3828         struct rtw89_dev *rtwdev;
3829         struct ieee80211_ops *ops;
3830         u32 driver_data_size;
3831         int fw_format = -1;
3832         bool no_chanctx;
3833
3834         firmware = rtw89_early_fw_feature_recognize(device, chip, &early_fw, &fw_format);
3835
3836         ops = kmemdup(&rtw89_ops, sizeof(rtw89_ops), GFP_KERNEL);
3837         if (!ops)
3838                 goto err;
3839
3840         no_chanctx = chip->support_chanctx_num == 0 ||
3841                      !RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &early_fw) ||
3842                      !RTW89_CHK_FW_FEATURE(BEACON_FILTER, &early_fw);
3843
3844         if (no_chanctx) {
3845                 ops->add_chanctx = NULL;
3846                 ops->remove_chanctx = NULL;
3847                 ops->change_chanctx = NULL;
3848                 ops->assign_vif_chanctx = NULL;
3849                 ops->unassign_vif_chanctx = NULL;
3850                 ops->remain_on_channel = NULL;
3851                 ops->cancel_remain_on_channel = NULL;
3852         }
3853
3854         driver_data_size = sizeof(struct rtw89_dev) + bus_data_size;
3855         hw = ieee80211_alloc_hw(driver_data_size, ops);
3856         if (!hw)
3857                 goto err;
3858
3859         hw->wiphy->iface_combinations = rtw89_iface_combs;
3860         hw->wiphy->n_iface_combinations = ARRAY_SIZE(rtw89_iface_combs);
3861
3862         rtwdev = hw->priv;
3863         rtwdev->hw = hw;
3864         rtwdev->dev = device;
3865         rtwdev->ops = ops;
3866         rtwdev->chip = chip;
3867         rtwdev->fw.req.firmware = firmware;
3868         rtwdev->fw.fw_format = fw_format;
3869
3870         rtw89_debug(rtwdev, RTW89_DBG_FW, "probe driver %s chanctx\n",
3871                     no_chanctx ? "without" : "with");
3872
3873         return rtwdev;
3874
3875 err:
3876         kfree(ops);
3877         release_firmware(firmware);
3878         return NULL;
3879 }
3880 EXPORT_SYMBOL(rtw89_alloc_ieee80211_hw);
3881
3882 void rtw89_free_ieee80211_hw(struct rtw89_dev *rtwdev)
3883 {
3884         kfree(rtwdev->ops);
3885         release_firmware(rtwdev->fw.req.firmware);
3886         ieee80211_free_hw(rtwdev->hw);
3887 }
3888 EXPORT_SYMBOL(rtw89_free_ieee80211_hw);
3889
3890 MODULE_AUTHOR("Realtek Corporation");
3891 MODULE_DESCRIPTION("Realtek 802.11ax wireless core module");
3892 MODULE_LICENSE("Dual BSD/GPL");