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 RTW89_DEF_CHAN_5G(5845, 169), 81 RTW89_DEF_CHAN_5G(5865, 173), 82 RTW89_DEF_CHAN_5G(5885, 177), 83 }; 84 85 static struct ieee80211_channel rtw89_channels_6ghz[] = { 86 RTW89_DEF_CHAN_6G(5955, 1), 87 RTW89_DEF_CHAN_6G(5975, 5), 88 RTW89_DEF_CHAN_6G(5995, 9), 89 RTW89_DEF_CHAN_6G(6015, 13), 90 RTW89_DEF_CHAN_6G(6035, 17), 91 RTW89_DEF_CHAN_6G(6055, 21), 92 RTW89_DEF_CHAN_6G(6075, 25), 93 RTW89_DEF_CHAN_6G(6095, 29), 94 RTW89_DEF_CHAN_6G(6115, 33), 95 RTW89_DEF_CHAN_6G(6135, 37), 96 RTW89_DEF_CHAN_6G(6155, 41), 97 RTW89_DEF_CHAN_6G(6175, 45), 98 RTW89_DEF_CHAN_6G(6195, 49), 99 RTW89_DEF_CHAN_6G(6215, 53), 100 RTW89_DEF_CHAN_6G(6235, 57), 101 RTW89_DEF_CHAN_6G(6255, 61), 102 RTW89_DEF_CHAN_6G(6275, 65), 103 RTW89_DEF_CHAN_6G(6295, 69), 104 RTW89_DEF_CHAN_6G(6315, 73), 105 RTW89_DEF_CHAN_6G(6335, 77), 106 RTW89_DEF_CHAN_6G(6355, 81), 107 RTW89_DEF_CHAN_6G(6375, 85), 108 RTW89_DEF_CHAN_6G(6395, 89), 109 RTW89_DEF_CHAN_6G(6415, 93), 110 RTW89_DEF_CHAN_6G(6435, 97), 111 RTW89_DEF_CHAN_6G(6455, 101), 112 RTW89_DEF_CHAN_6G(6475, 105), 113 RTW89_DEF_CHAN_6G(6495, 109), 114 RTW89_DEF_CHAN_6G(6515, 113), 115 RTW89_DEF_CHAN_6G(6535, 117), 116 RTW89_DEF_CHAN_6G(6555, 121), 117 RTW89_DEF_CHAN_6G(6575, 125), 118 RTW89_DEF_CHAN_6G(6595, 129), 119 RTW89_DEF_CHAN_6G(6615, 133), 120 RTW89_DEF_CHAN_6G(6635, 137), 121 RTW89_DEF_CHAN_6G(6655, 141), 122 RTW89_DEF_CHAN_6G(6675, 145), 123 RTW89_DEF_CHAN_6G(6695, 149), 124 RTW89_DEF_CHAN_6G(6715, 153), 125 RTW89_DEF_CHAN_6G(6735, 157), 126 RTW89_DEF_CHAN_6G(6755, 161), 127 RTW89_DEF_CHAN_6G(6775, 165), 128 RTW89_DEF_CHAN_6G(6795, 169), 129 RTW89_DEF_CHAN_6G(6815, 173), 130 RTW89_DEF_CHAN_6G(6835, 177), 131 RTW89_DEF_CHAN_6G(6855, 181), 132 RTW89_DEF_CHAN_6G(6875, 185), 133 RTW89_DEF_CHAN_6G(6895, 189), 134 RTW89_DEF_CHAN_6G(6915, 193), 135 RTW89_DEF_CHAN_6G(6935, 197), 136 RTW89_DEF_CHAN_6G(6955, 201), 137 RTW89_DEF_CHAN_6G(6975, 205), 138 RTW89_DEF_CHAN_6G(6995, 209), 139 RTW89_DEF_CHAN_6G(7015, 213), 140 RTW89_DEF_CHAN_6G(7035, 217), 141 RTW89_DEF_CHAN_6G(7055, 221), 142 RTW89_DEF_CHAN_6G(7075, 225), 143 RTW89_DEF_CHAN_6G(7095, 229), 144 RTW89_DEF_CHAN_6G(7115, 233), 145 }; 146 147 static struct ieee80211_rate rtw89_bitrates[] = { 148 { .bitrate = 10, .hw_value = 0x00, }, 149 { .bitrate = 20, .hw_value = 0x01, }, 150 { .bitrate = 55, .hw_value = 0x02, }, 151 { .bitrate = 110, .hw_value = 0x03, }, 152 { .bitrate = 60, .hw_value = 0x04, }, 153 { .bitrate = 90, .hw_value = 0x05, }, 154 { .bitrate = 120, .hw_value = 0x06, }, 155 { .bitrate = 180, .hw_value = 0x07, }, 156 { .bitrate = 240, .hw_value = 0x08, }, 157 { .bitrate = 360, .hw_value = 0x09, }, 158 { .bitrate = 480, .hw_value = 0x0a, }, 159 { .bitrate = 540, .hw_value = 0x0b, }, 160 }; 161 162 static const struct ieee80211_iface_limit rtw89_iface_limits[] = { 163 { 164 .max = 1, 165 .types = BIT(NL80211_IFTYPE_STATION), 166 }, 167 { 168 .max = 1, 169 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | 170 BIT(NL80211_IFTYPE_P2P_GO) | 171 BIT(NL80211_IFTYPE_AP), 172 }, 173 }; 174 175 static const struct ieee80211_iface_limit rtw89_iface_limits_mcc[] = { 176 { 177 .max = 1, 178 .types = BIT(NL80211_IFTYPE_STATION), 179 }, 180 { 181 .max = 1, 182 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | 183 BIT(NL80211_IFTYPE_P2P_GO), 184 }, 185 }; 186 187 static const struct ieee80211_iface_combination rtw89_iface_combs[] = { 188 { 189 .limits = rtw89_iface_limits, 190 .n_limits = ARRAY_SIZE(rtw89_iface_limits), 191 .max_interfaces = 2, 192 .num_different_channels = 1, 193 }, 194 { 195 .limits = rtw89_iface_limits_mcc, 196 .n_limits = ARRAY_SIZE(rtw89_iface_limits_mcc), 197 .max_interfaces = 2, 198 .num_different_channels = 2, 199 }, 200 }; 201 202 bool rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate, u16 *bitrate) 203 { 204 struct ieee80211_rate rate; 205 206 if (unlikely(rpt_rate >= ARRAY_SIZE(rtw89_bitrates))) { 207 rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "invalid rpt rate %d\n", rpt_rate); 208 return false; 209 } 210 211 rate = rtw89_bitrates[rpt_rate]; 212 *bitrate = rate.bitrate; 213 214 return true; 215 } 216 217 static const struct ieee80211_supported_band rtw89_sband_2ghz = { 218 .band = NL80211_BAND_2GHZ, 219 .channels = rtw89_channels_2ghz, 220 .n_channels = ARRAY_SIZE(rtw89_channels_2ghz), 221 .bitrates = rtw89_bitrates, 222 .n_bitrates = ARRAY_SIZE(rtw89_bitrates), 223 .ht_cap = {0}, 224 .vht_cap = {0}, 225 }; 226 227 static const struct ieee80211_supported_band rtw89_sband_5ghz = { 228 .band = NL80211_BAND_5GHZ, 229 .channels = rtw89_channels_5ghz, 230 .n_channels = ARRAY_SIZE(rtw89_channels_5ghz), 231 232 /* 5G has no CCK rates, 1M/2M/5.5M/11M */ 233 .bitrates = rtw89_bitrates + 4, 234 .n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4, 235 .ht_cap = {0}, 236 .vht_cap = {0}, 237 }; 238 239 static const struct ieee80211_supported_band rtw89_sband_6ghz = { 240 .band = NL80211_BAND_6GHZ, 241 .channels = rtw89_channels_6ghz, 242 .n_channels = ARRAY_SIZE(rtw89_channels_6ghz), 243 244 /* 6G has no CCK rates, 1M/2M/5.5M/11M */ 245 .bitrates = rtw89_bitrates + 4, 246 .n_bitrates = ARRAY_SIZE(rtw89_bitrates) - 4, 247 }; 248 249 static void rtw89_traffic_stats_accu(struct rtw89_dev *rtwdev, 250 struct rtw89_traffic_stats *stats, 251 struct sk_buff *skb, bool tx) 252 { 253 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 254 255 if (!ieee80211_is_data(hdr->frame_control)) 256 return; 257 258 if (is_broadcast_ether_addr(hdr->addr1) || 259 is_multicast_ether_addr(hdr->addr1)) 260 return; 261 262 if (tx) { 263 stats->tx_cnt++; 264 stats->tx_unicast += skb->len; 265 } else { 266 stats->rx_cnt++; 267 stats->rx_unicast += skb->len; 268 } 269 } 270 271 void rtw89_get_default_chandef(struct cfg80211_chan_def *chandef) 272 { 273 cfg80211_chandef_create(chandef, &rtw89_channels_2ghz[0], 274 NL80211_CHAN_NO_HT); 275 } 276 277 void rtw89_get_channel_params(const struct cfg80211_chan_def *chandef, 278 struct rtw89_chan *chan) 279 { 280 struct ieee80211_channel *channel = chandef->chan; 281 enum nl80211_chan_width width = chandef->width; 282 u32 primary_freq, center_freq; 283 u8 center_chan; 284 u8 bandwidth = RTW89_CHANNEL_WIDTH_20; 285 u32 offset; 286 u8 band; 287 288 center_chan = channel->hw_value; 289 primary_freq = channel->center_freq; 290 center_freq = chandef->center_freq1; 291 292 switch (width) { 293 case NL80211_CHAN_WIDTH_20_NOHT: 294 case NL80211_CHAN_WIDTH_20: 295 bandwidth = RTW89_CHANNEL_WIDTH_20; 296 break; 297 case NL80211_CHAN_WIDTH_40: 298 bandwidth = RTW89_CHANNEL_WIDTH_40; 299 if (primary_freq > center_freq) { 300 center_chan -= 2; 301 } else { 302 center_chan += 2; 303 } 304 break; 305 case NL80211_CHAN_WIDTH_80: 306 case NL80211_CHAN_WIDTH_160: 307 bandwidth = nl_to_rtw89_bandwidth(width); 308 if (primary_freq > center_freq) { 309 offset = (primary_freq - center_freq - 10) / 20; 310 center_chan -= 2 + offset * 4; 311 } else { 312 offset = (center_freq - primary_freq - 10) / 20; 313 center_chan += 2 + offset * 4; 314 } 315 break; 316 default: 317 center_chan = 0; 318 break; 319 } 320 321 switch (channel->band) { 322 default: 323 case NL80211_BAND_2GHZ: 324 band = RTW89_BAND_2G; 325 break; 326 case NL80211_BAND_5GHZ: 327 band = RTW89_BAND_5G; 328 break; 329 case NL80211_BAND_6GHZ: 330 band = RTW89_BAND_6G; 331 break; 332 } 333 334 rtw89_chan_create(chan, center_chan, channel->hw_value, band, bandwidth); 335 } 336 337 void rtw89_core_set_chip_txpwr(struct rtw89_dev *rtwdev) 338 { 339 struct rtw89_hal *hal = &rtwdev->hal; 340 const struct rtw89_chip_info *chip = rtwdev->chip; 341 const struct rtw89_chan *chan; 342 enum rtw89_sub_entity_idx sub_entity_idx; 343 enum rtw89_sub_entity_idx roc_idx; 344 enum rtw89_phy_idx phy_idx; 345 enum rtw89_entity_mode mode; 346 bool entity_active; 347 348 entity_active = rtw89_get_entity_state(rtwdev); 349 if (!entity_active) 350 return; 351 352 mode = rtw89_get_entity_mode(rtwdev); 353 switch (mode) { 354 case RTW89_ENTITY_MODE_SCC: 355 case RTW89_ENTITY_MODE_MCC: 356 sub_entity_idx = RTW89_SUB_ENTITY_0; 357 break; 358 case RTW89_ENTITY_MODE_MCC_PREPARE: 359 sub_entity_idx = RTW89_SUB_ENTITY_1; 360 break; 361 default: 362 WARN(1, "Invalid ent mode: %d\n", mode); 363 return; 364 } 365 366 roc_idx = atomic_read(&hal->roc_entity_idx); 367 if (roc_idx != RTW89_SUB_ENTITY_IDLE) 368 sub_entity_idx = roc_idx; 369 370 phy_idx = RTW89_PHY_0; 371 chan = rtw89_chan_get(rtwdev, sub_entity_idx); 372 chip->ops->set_txpwr(rtwdev, chan, phy_idx); 373 } 374 375 void rtw89_set_channel(struct rtw89_dev *rtwdev) 376 { 377 struct rtw89_hal *hal = &rtwdev->hal; 378 const struct rtw89_chip_info *chip = rtwdev->chip; 379 const struct rtw89_chan_rcd *chan_rcd; 380 const struct rtw89_chan *chan; 381 enum rtw89_sub_entity_idx sub_entity_idx; 382 enum rtw89_sub_entity_idx roc_idx; 383 enum rtw89_mac_idx mac_idx; 384 enum rtw89_phy_idx phy_idx; 385 struct rtw89_channel_help_params bak; 386 enum rtw89_entity_mode mode; 387 bool entity_active; 388 389 entity_active = rtw89_get_entity_state(rtwdev); 390 391 mode = rtw89_entity_recalc(rtwdev); 392 switch (mode) { 393 case RTW89_ENTITY_MODE_SCC: 394 case RTW89_ENTITY_MODE_MCC: 395 sub_entity_idx = RTW89_SUB_ENTITY_0; 396 break; 397 case RTW89_ENTITY_MODE_MCC_PREPARE: 398 sub_entity_idx = RTW89_SUB_ENTITY_1; 399 break; 400 default: 401 WARN(1, "Invalid ent mode: %d\n", mode); 402 return; 403 } 404 405 roc_idx = atomic_read(&hal->roc_entity_idx); 406 if (roc_idx != RTW89_SUB_ENTITY_IDLE) 407 sub_entity_idx = roc_idx; 408 409 mac_idx = RTW89_MAC_0; 410 phy_idx = RTW89_PHY_0; 411 412 chan = rtw89_chan_get(rtwdev, sub_entity_idx); 413 chan_rcd = rtw89_chan_rcd_get(rtwdev, sub_entity_idx); 414 415 rtw89_chip_set_channel_prepare(rtwdev, &bak, chan, mac_idx, phy_idx); 416 417 chip->ops->set_channel(rtwdev, chan, mac_idx, phy_idx); 418 419 chip->ops->set_txpwr(rtwdev, chan, phy_idx); 420 421 rtw89_chip_set_channel_done(rtwdev, &bak, chan, mac_idx, phy_idx); 422 423 if (!entity_active || chan_rcd->band_changed) { 424 rtw89_btc_ntfy_switch_band(rtwdev, phy_idx, chan->band_type); 425 rtw89_chip_rfk_band_changed(rtwdev, phy_idx); 426 } 427 428 rtw89_set_entity_state(rtwdev, true); 429 } 430 431 void rtw89_get_channel(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif, 432 struct rtw89_chan *chan) 433 { 434 const struct cfg80211_chan_def *chandef; 435 436 chandef = rtw89_chandef_get(rtwdev, rtwvif->sub_entity_idx); 437 rtw89_get_channel_params(chandef, chan); 438 } 439 440 static enum rtw89_core_tx_type 441 rtw89_core_get_tx_type(struct rtw89_dev *rtwdev, 442 struct sk_buff *skb) 443 { 444 struct ieee80211_hdr *hdr = (void *)skb->data; 445 __le16 fc = hdr->frame_control; 446 447 if (ieee80211_is_mgmt(fc) || ieee80211_is_nullfunc(fc)) 448 return RTW89_CORE_TX_TYPE_MGMT; 449 450 return RTW89_CORE_TX_TYPE_DATA; 451 } 452 453 static void 454 rtw89_core_tx_update_ampdu_info(struct rtw89_dev *rtwdev, 455 struct rtw89_core_tx_request *tx_req, 456 enum btc_pkt_type pkt_type) 457 { 458 struct ieee80211_sta *sta = tx_req->sta; 459 struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; 460 struct sk_buff *skb = tx_req->skb; 461 struct rtw89_sta *rtwsta; 462 u8 ampdu_num; 463 u8 tid; 464 465 if (pkt_type == PACKET_EAPOL) { 466 desc_info->bk = true; 467 return; 468 } 469 470 if (!(IEEE80211_SKB_CB(skb)->flags & IEEE80211_TX_CTL_AMPDU)) 471 return; 472 473 if (!sta) { 474 rtw89_warn(rtwdev, "cannot set ampdu info without sta\n"); 475 return; 476 } 477 478 tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; 479 rtwsta = (struct rtw89_sta *)sta->drv_priv; 480 481 ampdu_num = (u8)((rtwsta->ampdu_params[tid].agg_num ? 482 rtwsta->ampdu_params[tid].agg_num : 483 4 << sta->deflink.ht_cap.ampdu_factor) - 1); 484 485 desc_info->agg_en = true; 486 desc_info->ampdu_density = sta->deflink.ht_cap.ampdu_density; 487 desc_info->ampdu_num = ampdu_num; 488 } 489 490 static void 491 rtw89_core_tx_update_sec_key(struct rtw89_dev *rtwdev, 492 struct rtw89_core_tx_request *tx_req) 493 { 494 const struct rtw89_chip_info *chip = rtwdev->chip; 495 struct ieee80211_vif *vif = tx_req->vif; 496 struct ieee80211_sta *sta = tx_req->sta; 497 struct ieee80211_tx_info *info; 498 struct ieee80211_key_conf *key; 499 struct rtw89_vif *rtwvif; 500 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); 501 struct rtw89_addr_cam_entry *addr_cam; 502 struct rtw89_sec_cam_entry *sec_cam; 503 struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; 504 struct sk_buff *skb = tx_req->skb; 505 u8 sec_type = RTW89_SEC_KEY_TYPE_NONE; 506 u64 pn64; 507 508 if (!vif) { 509 rtw89_warn(rtwdev, "cannot set sec key without vif\n"); 510 return; 511 } 512 513 rtwvif = (struct rtw89_vif *)vif->drv_priv; 514 addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta); 515 516 info = IEEE80211_SKB_CB(skb); 517 key = info->control.hw_key; 518 sec_cam = addr_cam->sec_entries[key->hw_key_idx]; 519 if (!sec_cam) { 520 rtw89_warn(rtwdev, "sec cam entry is empty\n"); 521 return; 522 } 523 524 switch (key->cipher) { 525 case WLAN_CIPHER_SUITE_WEP40: 526 sec_type = RTW89_SEC_KEY_TYPE_WEP40; 527 break; 528 case WLAN_CIPHER_SUITE_WEP104: 529 sec_type = RTW89_SEC_KEY_TYPE_WEP104; 530 break; 531 case WLAN_CIPHER_SUITE_TKIP: 532 sec_type = RTW89_SEC_KEY_TYPE_TKIP; 533 break; 534 case WLAN_CIPHER_SUITE_CCMP: 535 sec_type = RTW89_SEC_KEY_TYPE_CCMP128; 536 break; 537 case WLAN_CIPHER_SUITE_CCMP_256: 538 sec_type = RTW89_SEC_KEY_TYPE_CCMP256; 539 break; 540 case WLAN_CIPHER_SUITE_GCMP: 541 sec_type = RTW89_SEC_KEY_TYPE_GCMP128; 542 break; 543 case WLAN_CIPHER_SUITE_GCMP_256: 544 sec_type = RTW89_SEC_KEY_TYPE_GCMP256; 545 break; 546 default: 547 rtw89_warn(rtwdev, "key cipher not supported %d\n", key->cipher); 548 return; 549 } 550 551 desc_info->sec_en = true; 552 desc_info->sec_keyid = key->keyidx; 553 desc_info->sec_type = sec_type; 554 desc_info->sec_cam_idx = sec_cam->sec_cam_idx; 555 556 if (!chip->hw_sec_hdr) 557 return; 558 559 pn64 = atomic64_inc_return(&key->tx_pn); 560 desc_info->sec_seq[0] = pn64; 561 desc_info->sec_seq[1] = pn64 >> 8; 562 desc_info->sec_seq[2] = pn64 >> 16; 563 desc_info->sec_seq[3] = pn64 >> 24; 564 desc_info->sec_seq[4] = pn64 >> 32; 565 desc_info->sec_seq[5] = pn64 >> 40; 566 desc_info->wp_offset = 1; /* in unit of 8 bytes for security header */ 567 } 568 569 static u16 rtw89_core_get_mgmt_rate(struct rtw89_dev *rtwdev, 570 struct rtw89_core_tx_request *tx_req, 571 const struct rtw89_chan *chan) 572 { 573 struct sk_buff *skb = tx_req->skb; 574 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); 575 struct ieee80211_vif *vif = tx_info->control.vif; 576 u16 lowest_rate; 577 578 if (tx_info->flags & IEEE80211_TX_CTL_NO_CCK_RATE || 579 (vif && vif->p2p)) 580 lowest_rate = RTW89_HW_RATE_OFDM6; 581 else if (chan->band_type == RTW89_BAND_2G) 582 lowest_rate = RTW89_HW_RATE_CCK1; 583 else 584 lowest_rate = RTW89_HW_RATE_OFDM6; 585 586 if (!vif || !vif->bss_conf.basic_rates || !tx_req->sta) 587 return lowest_rate; 588 589 return __ffs(vif->bss_conf.basic_rates) + lowest_rate; 590 } 591 592 static u8 rtw89_core_tx_get_mac_id(struct rtw89_dev *rtwdev, 593 struct rtw89_core_tx_request *tx_req) 594 { 595 struct ieee80211_vif *vif = tx_req->vif; 596 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 597 struct ieee80211_sta *sta = tx_req->sta; 598 struct rtw89_sta *rtwsta; 599 600 if (!sta) 601 return rtwvif->mac_id; 602 603 rtwsta = (struct rtw89_sta *)sta->drv_priv; 604 return rtwsta->mac_id; 605 } 606 607 static void 608 rtw89_core_tx_update_mgmt_info(struct rtw89_dev *rtwdev, 609 struct rtw89_core_tx_request *tx_req) 610 { 611 struct ieee80211_vif *vif = tx_req->vif; 612 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 613 struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; 614 const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, 615 rtwvif->sub_entity_idx); 616 u8 qsel, ch_dma; 617 618 qsel = desc_info->hiq ? RTW89_TX_QSEL_B0_HI : RTW89_TX_QSEL_B0_MGMT; 619 ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel); 620 621 desc_info->qsel = qsel; 622 desc_info->ch_dma = ch_dma; 623 desc_info->port = desc_info->hiq ? rtwvif->port : 0; 624 desc_info->mac_id = rtw89_core_tx_get_mac_id(rtwdev, tx_req); 625 desc_info->hw_ssn_sel = RTW89_MGMT_HW_SSN_SEL; 626 desc_info->hw_seq_mode = RTW89_MGMT_HW_SEQ_MODE; 627 628 /* fixed data rate for mgmt frames */ 629 desc_info->en_wd_info = true; 630 desc_info->use_rate = true; 631 desc_info->dis_data_fb = true; 632 desc_info->data_rate = rtw89_core_get_mgmt_rate(rtwdev, tx_req, chan); 633 634 rtw89_debug(rtwdev, RTW89_DBG_TXRX, 635 "tx mgmt frame with rate 0x%x on channel %d (band %d, bw %d)\n", 636 desc_info->data_rate, chan->channel, chan->band_type, 637 chan->band_width); 638 } 639 640 static void 641 rtw89_core_tx_update_h2c_info(struct rtw89_dev *rtwdev, 642 struct rtw89_core_tx_request *tx_req) 643 { 644 struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; 645 646 desc_info->is_bmc = false; 647 desc_info->wd_page = false; 648 desc_info->ch_dma = RTW89_DMA_H2C; 649 } 650 651 static void rtw89_core_get_no_ul_ofdma_htc(struct rtw89_dev *rtwdev, __le32 *htc, 652 const struct rtw89_chan *chan) 653 { 654 static const u8 rtw89_bandwidth_to_om[] = { 655 [RTW89_CHANNEL_WIDTH_20] = HTC_OM_CHANNEL_WIDTH_20, 656 [RTW89_CHANNEL_WIDTH_40] = HTC_OM_CHANNEL_WIDTH_40, 657 [RTW89_CHANNEL_WIDTH_80] = HTC_OM_CHANNEL_WIDTH_80, 658 [RTW89_CHANNEL_WIDTH_160] = HTC_OM_CHANNEL_WIDTH_160_OR_80_80, 659 [RTW89_CHANNEL_WIDTH_80_80] = HTC_OM_CHANNEL_WIDTH_160_OR_80_80, 660 }; 661 const struct rtw89_chip_info *chip = rtwdev->chip; 662 struct rtw89_hal *hal = &rtwdev->hal; 663 u8 om_bandwidth; 664 665 if (!chip->dis_2g_40m_ul_ofdma || 666 chan->band_type != RTW89_BAND_2G || 667 chan->band_width != RTW89_CHANNEL_WIDTH_40) 668 return; 669 670 om_bandwidth = chan->band_width < ARRAY_SIZE(rtw89_bandwidth_to_om) ? 671 rtw89_bandwidth_to_om[chan->band_width] : 0; 672 *htc = le32_encode_bits(RTW89_HTC_VARIANT_HE, RTW89_HTC_MASK_VARIANT) | 673 le32_encode_bits(RTW89_HTC_VARIANT_HE_CID_OM, RTW89_HTC_MASK_CTL_ID) | 674 le32_encode_bits(hal->rx_nss - 1, RTW89_HTC_MASK_HTC_OM_RX_NSS) | 675 le32_encode_bits(om_bandwidth, RTW89_HTC_MASK_HTC_OM_CH_WIDTH) | 676 le32_encode_bits(1, RTW89_HTC_MASK_HTC_OM_UL_MU_DIS) | 677 le32_encode_bits(hal->tx_nss - 1, RTW89_HTC_MASK_HTC_OM_TX_NSTS) | 678 le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_ER_SU_DIS) | 679 le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_DL_MU_MIMO_RR) | 680 le32_encode_bits(0, RTW89_HTC_MASK_HTC_OM_UL_MU_DATA_DIS); 681 } 682 683 static bool 684 __rtw89_core_tx_check_he_qos_htc(struct rtw89_dev *rtwdev, 685 struct rtw89_core_tx_request *tx_req, 686 enum btc_pkt_type pkt_type) 687 { 688 struct ieee80211_sta *sta = tx_req->sta; 689 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); 690 struct sk_buff *skb = tx_req->skb; 691 struct ieee80211_hdr *hdr = (void *)skb->data; 692 __le16 fc = hdr->frame_control; 693 694 /* AP IOT issue with EAPoL, ARP and DHCP */ 695 if (pkt_type < PACKET_MAX) 696 return false; 697 698 if (!sta || !sta->deflink.he_cap.has_he) 699 return false; 700 701 if (!ieee80211_is_data_qos(fc)) 702 return false; 703 704 if (skb_headroom(skb) < IEEE80211_HT_CTL_LEN) 705 return false; 706 707 if (rtwsta && rtwsta->ra_report.might_fallback_legacy) 708 return false; 709 710 return true; 711 } 712 713 static void 714 __rtw89_core_tx_adjust_he_qos_htc(struct rtw89_dev *rtwdev, 715 struct rtw89_core_tx_request *tx_req) 716 { 717 struct ieee80211_sta *sta = tx_req->sta; 718 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 719 struct sk_buff *skb = tx_req->skb; 720 struct ieee80211_hdr *hdr = (void *)skb->data; 721 __le16 fc = hdr->frame_control; 722 void *data; 723 __le32 *htc; 724 u8 *qc; 725 int hdr_len; 726 727 hdr_len = ieee80211_has_a4(fc) ? 32 : 26; 728 data = skb_push(skb, IEEE80211_HT_CTL_LEN); 729 memmove(data, data + IEEE80211_HT_CTL_LEN, hdr_len); 730 731 hdr = data; 732 htc = data + hdr_len; 733 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_ORDER); 734 *htc = rtwsta->htc_template ? rtwsta->htc_template : 735 le32_encode_bits(RTW89_HTC_VARIANT_HE, RTW89_HTC_MASK_VARIANT) | 736 le32_encode_bits(RTW89_HTC_VARIANT_HE_CID_CAS, RTW89_HTC_MASK_CTL_ID); 737 738 qc = data + hdr_len - IEEE80211_QOS_CTL_LEN; 739 qc[0] |= IEEE80211_QOS_CTL_EOSP; 740 } 741 742 static void 743 rtw89_core_tx_update_he_qos_htc(struct rtw89_dev *rtwdev, 744 struct rtw89_core_tx_request *tx_req, 745 enum btc_pkt_type pkt_type) 746 { 747 struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; 748 struct ieee80211_vif *vif = tx_req->vif; 749 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 750 751 if (!__rtw89_core_tx_check_he_qos_htc(rtwdev, tx_req, pkt_type)) 752 goto desc_bk; 753 754 __rtw89_core_tx_adjust_he_qos_htc(rtwdev, tx_req); 755 756 desc_info->pkt_size += IEEE80211_HT_CTL_LEN; 757 desc_info->a_ctrl_bsr = true; 758 759 desc_bk: 760 if (!rtwvif || rtwvif->last_a_ctrl == desc_info->a_ctrl_bsr) 761 return; 762 763 rtwvif->last_a_ctrl = desc_info->a_ctrl_bsr; 764 desc_info->bk = true; 765 } 766 767 static u16 rtw89_core_get_data_rate(struct rtw89_dev *rtwdev, 768 struct rtw89_core_tx_request *tx_req) 769 { 770 struct ieee80211_vif *vif = tx_req->vif; 771 struct ieee80211_sta *sta = tx_req->sta; 772 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 773 struct rtw89_phy_rate_pattern *rate_pattern = &rtwvif->rate_pattern; 774 enum rtw89_sub_entity_idx idx = rtwvif->sub_entity_idx; 775 const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, idx); 776 u16 lowest_rate; 777 778 if (rate_pattern->enable) 779 return rate_pattern->rate; 780 781 if (vif->p2p) 782 lowest_rate = RTW89_HW_RATE_OFDM6; 783 else if (chan->band_type == RTW89_BAND_2G) 784 lowest_rate = RTW89_HW_RATE_CCK1; 785 else 786 lowest_rate = RTW89_HW_RATE_OFDM6; 787 788 if (!sta || !sta->deflink.supp_rates[chan->band_type]) 789 return lowest_rate; 790 791 return __ffs(sta->deflink.supp_rates[chan->band_type]) + lowest_rate; 792 } 793 794 static void 795 rtw89_core_tx_update_data_info(struct rtw89_dev *rtwdev, 796 struct rtw89_core_tx_request *tx_req) 797 { 798 struct ieee80211_vif *vif = tx_req->vif; 799 struct ieee80211_sta *sta = tx_req->sta; 800 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 801 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); 802 struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; 803 struct sk_buff *skb = tx_req->skb; 804 u8 tid, tid_indicate; 805 u8 qsel, ch_dma; 806 807 tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; 808 tid_indicate = rtw89_core_get_tid_indicate(rtwdev, tid); 809 qsel = desc_info->hiq ? RTW89_TX_QSEL_B0_HI : rtw89_core_get_qsel(rtwdev, tid); 810 ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel); 811 812 desc_info->ch_dma = ch_dma; 813 desc_info->tid_indicate = tid_indicate; 814 desc_info->qsel = qsel; 815 desc_info->mac_id = rtw89_core_tx_get_mac_id(rtwdev, tx_req); 816 desc_info->port = desc_info->hiq ? rtwvif->port : 0; 817 desc_info->er_cap = rtwsta ? rtwsta->er_cap : false; 818 819 /* enable wd_info for AMPDU */ 820 desc_info->en_wd_info = true; 821 822 if (IEEE80211_SKB_CB(skb)->control.hw_key) 823 rtw89_core_tx_update_sec_key(rtwdev, tx_req); 824 825 desc_info->data_retry_lowest_rate = rtw89_core_get_data_rate(rtwdev, tx_req); 826 } 827 828 static enum btc_pkt_type 829 rtw89_core_tx_btc_spec_pkt_notify(struct rtw89_dev *rtwdev, 830 struct rtw89_core_tx_request *tx_req) 831 { 832 struct sk_buff *skb = tx_req->skb; 833 struct udphdr *udphdr; 834 835 if (IEEE80211_SKB_CB(skb)->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) { 836 ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.eapol_notify_work); 837 return PACKET_EAPOL; 838 } 839 840 if (skb->protocol == htons(ETH_P_ARP)) { 841 ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.arp_notify_work); 842 return PACKET_ARP; 843 } 844 845 if (skb->protocol == htons(ETH_P_IP) && 846 ip_hdr(skb)->protocol == IPPROTO_UDP) { 847 udphdr = udp_hdr(skb); 848 if (((udphdr->source == htons(67) && udphdr->dest == htons(68)) || 849 (udphdr->source == htons(68) && udphdr->dest == htons(67))) && 850 skb->len > 282) { 851 ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.dhcp_notify_work); 852 return PACKET_DHCP; 853 } 854 } 855 856 if (skb->protocol == htons(ETH_P_IP) && 857 ip_hdr(skb)->protocol == IPPROTO_ICMP) { 858 ieee80211_queue_work(rtwdev->hw, &rtwdev->btc.icmp_notify_work); 859 return PACKET_ICMP; 860 } 861 862 return PACKET_MAX; 863 } 864 865 static void rtw89_core_tx_update_llc_hdr(struct rtw89_dev *rtwdev, 866 struct rtw89_tx_desc_info *desc_info, 867 struct sk_buff *skb) 868 { 869 struct ieee80211_hdr *hdr = (void *)skb->data; 870 __le16 fc = hdr->frame_control; 871 872 desc_info->hdr_llc_len = ieee80211_hdrlen(fc); 873 desc_info->hdr_llc_len >>= 1; /* in unit of 2 bytes */ 874 } 875 876 static void 877 rtw89_core_tx_wake(struct rtw89_dev *rtwdev, 878 struct rtw89_core_tx_request *tx_req) 879 { 880 const struct rtw89_chip_info *chip = rtwdev->chip; 881 882 if (!RTW89_CHK_FW_FEATURE(TX_WAKE, &rtwdev->fw)) 883 return; 884 885 if (!test_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags)) 886 return; 887 888 if (chip->chip_id != RTL8852C && 889 tx_req->tx_type != RTW89_CORE_TX_TYPE_MGMT) 890 return; 891 892 rtw89_mac_notify_wake(rtwdev); 893 } 894 895 static void 896 rtw89_core_tx_update_desc_info(struct rtw89_dev *rtwdev, 897 struct rtw89_core_tx_request *tx_req) 898 { 899 struct rtw89_tx_desc_info *desc_info = &tx_req->desc_info; 900 struct sk_buff *skb = tx_req->skb; 901 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 902 struct ieee80211_hdr *hdr = (void *)skb->data; 903 enum rtw89_core_tx_type tx_type; 904 enum btc_pkt_type pkt_type; 905 bool is_bmc; 906 u16 seq; 907 908 seq = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; 909 if (tx_req->tx_type != RTW89_CORE_TX_TYPE_FWCMD) { 910 tx_type = rtw89_core_get_tx_type(rtwdev, skb); 911 tx_req->tx_type = tx_type; 912 } 913 is_bmc = (is_broadcast_ether_addr(hdr->addr1) || 914 is_multicast_ether_addr(hdr->addr1)); 915 916 desc_info->seq = seq; 917 desc_info->pkt_size = skb->len; 918 desc_info->is_bmc = is_bmc; 919 desc_info->wd_page = true; 920 desc_info->hiq = info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM; 921 922 switch (tx_req->tx_type) { 923 case RTW89_CORE_TX_TYPE_MGMT: 924 rtw89_core_tx_update_mgmt_info(rtwdev, tx_req); 925 break; 926 case RTW89_CORE_TX_TYPE_DATA: 927 rtw89_core_tx_update_data_info(rtwdev, tx_req); 928 pkt_type = rtw89_core_tx_btc_spec_pkt_notify(rtwdev, tx_req); 929 rtw89_core_tx_update_he_qos_htc(rtwdev, tx_req, pkt_type); 930 rtw89_core_tx_update_ampdu_info(rtwdev, tx_req, pkt_type); 931 rtw89_core_tx_update_llc_hdr(rtwdev, desc_info, skb); 932 break; 933 case RTW89_CORE_TX_TYPE_FWCMD: 934 rtw89_core_tx_update_h2c_info(rtwdev, tx_req); 935 break; 936 } 937 } 938 939 void rtw89_core_tx_kick_off(struct rtw89_dev *rtwdev, u8 qsel) 940 { 941 u8 ch_dma; 942 943 ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel); 944 945 rtw89_hci_tx_kick_off(rtwdev, ch_dma); 946 } 947 948 int rtw89_core_tx_kick_off_and_wait(struct rtw89_dev *rtwdev, struct sk_buff *skb, 949 int qsel, unsigned int timeout) 950 { 951 struct rtw89_tx_skb_data *skb_data = RTW89_TX_SKB_CB(skb); 952 struct rtw89_tx_wait_info *wait; 953 unsigned long time_left; 954 int ret = 0; 955 956 wait = kzalloc(sizeof(*wait), GFP_KERNEL); 957 if (!wait) { 958 rtw89_core_tx_kick_off(rtwdev, qsel); 959 return 0; 960 } 961 962 init_completion(&wait->completion); 963 rcu_assign_pointer(skb_data->wait, wait); 964 965 rtw89_core_tx_kick_off(rtwdev, qsel); 966 time_left = wait_for_completion_timeout(&wait->completion, 967 msecs_to_jiffies(timeout)); 968 if (time_left == 0) 969 ret = -ETIMEDOUT; 970 else if (!wait->tx_done) 971 ret = -EAGAIN; 972 973 rcu_assign_pointer(skb_data->wait, NULL); 974 kfree_rcu(wait, rcu_head); 975 976 return ret; 977 } 978 979 int rtw89_h2c_tx(struct rtw89_dev *rtwdev, 980 struct sk_buff *skb, bool fwdl) 981 { 982 struct rtw89_core_tx_request tx_req = {0}; 983 u32 cnt; 984 int ret; 985 986 if (!test_bit(RTW89_FLAG_POWERON, rtwdev->flags)) { 987 rtw89_debug(rtwdev, RTW89_DBG_FW, 988 "ignore h2c due to power is off with firmware state=%d\n", 989 test_bit(RTW89_FLAG_FW_RDY, rtwdev->flags)); 990 dev_kfree_skb(skb); 991 return 0; 992 } 993 994 tx_req.skb = skb; 995 tx_req.tx_type = RTW89_CORE_TX_TYPE_FWCMD; 996 if (fwdl) 997 tx_req.desc_info.fw_dl = true; 998 999 rtw89_core_tx_update_desc_info(rtwdev, &tx_req); 1000 1001 if (!fwdl) 1002 rtw89_hex_dump(rtwdev, RTW89_DBG_FW, "H2C: ", skb->data, skb->len); 1003 1004 cnt = rtw89_hci_check_and_reclaim_tx_resource(rtwdev, RTW89_TXCH_CH12); 1005 if (cnt == 0) { 1006 rtw89_err(rtwdev, "no tx fwcmd resource\n"); 1007 return -ENOSPC; 1008 } 1009 1010 ret = rtw89_hci_tx_write(rtwdev, &tx_req); 1011 if (ret) { 1012 rtw89_err(rtwdev, "failed to transmit skb to HCI\n"); 1013 return ret; 1014 } 1015 rtw89_hci_tx_kick_off(rtwdev, RTW89_TXCH_CH12); 1016 1017 return 0; 1018 } 1019 1020 int rtw89_core_tx_write(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif, 1021 struct ieee80211_sta *sta, struct sk_buff *skb, int *qsel) 1022 { 1023 struct rtw89_core_tx_request tx_req = {0}; 1024 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 1025 int ret; 1026 1027 tx_req.skb = skb; 1028 tx_req.sta = sta; 1029 tx_req.vif = vif; 1030 1031 rtw89_traffic_stats_accu(rtwdev, &rtwdev->stats, skb, true); 1032 rtw89_traffic_stats_accu(rtwdev, &rtwvif->stats, skb, true); 1033 rtw89_core_tx_update_desc_info(rtwdev, &tx_req); 1034 rtw89_core_tx_wake(rtwdev, &tx_req); 1035 1036 ret = rtw89_hci_tx_write(rtwdev, &tx_req); 1037 if (ret) { 1038 rtw89_err(rtwdev, "failed to transmit skb to HCI\n"); 1039 return ret; 1040 } 1041 1042 if (qsel) 1043 *qsel = tx_req.desc_info.qsel; 1044 1045 return 0; 1046 } 1047 1048 static __le32 rtw89_build_txwd_body0(struct rtw89_tx_desc_info *desc_info) 1049 { 1050 u32 dword = FIELD_PREP(RTW89_TXWD_BODY0_WP_OFFSET, desc_info->wp_offset) | 1051 FIELD_PREP(RTW89_TXWD_BODY0_WD_INFO_EN, desc_info->en_wd_info) | 1052 FIELD_PREP(RTW89_TXWD_BODY0_CHANNEL_DMA, desc_info->ch_dma) | 1053 FIELD_PREP(RTW89_TXWD_BODY0_HDR_LLC_LEN, desc_info->hdr_llc_len) | 1054 FIELD_PREP(RTW89_TXWD_BODY0_WD_PAGE, desc_info->wd_page) | 1055 FIELD_PREP(RTW89_TXWD_BODY0_FW_DL, desc_info->fw_dl) | 1056 FIELD_PREP(RTW89_TXWD_BODY0_HW_SSN_SEL, desc_info->hw_ssn_sel) | 1057 FIELD_PREP(RTW89_TXWD_BODY0_HW_SSN_MODE, desc_info->hw_seq_mode); 1058 1059 return cpu_to_le32(dword); 1060 } 1061 1062 static __le32 rtw89_build_txwd_body0_v1(struct rtw89_tx_desc_info *desc_info) 1063 { 1064 u32 dword = FIELD_PREP(RTW89_TXWD_BODY0_WP_OFFSET_V1, desc_info->wp_offset) | 1065 FIELD_PREP(RTW89_TXWD_BODY0_WD_INFO_EN, desc_info->en_wd_info) | 1066 FIELD_PREP(RTW89_TXWD_BODY0_CHANNEL_DMA, desc_info->ch_dma) | 1067 FIELD_PREP(RTW89_TXWD_BODY0_HDR_LLC_LEN, desc_info->hdr_llc_len) | 1068 FIELD_PREP(RTW89_TXWD_BODY0_WD_PAGE, desc_info->wd_page) | 1069 FIELD_PREP(RTW89_TXWD_BODY0_FW_DL, desc_info->fw_dl); 1070 1071 return cpu_to_le32(dword); 1072 } 1073 1074 static __le32 rtw89_build_txwd_body1_v1(struct rtw89_tx_desc_info *desc_info) 1075 { 1076 u32 dword = FIELD_PREP(RTW89_TXWD_BODY1_ADDR_INFO_NUM, desc_info->addr_info_nr) | 1077 FIELD_PREP(RTW89_TXWD_BODY1_SEC_KEYID, desc_info->sec_keyid) | 1078 FIELD_PREP(RTW89_TXWD_BODY1_SEC_TYPE, desc_info->sec_type); 1079 1080 return cpu_to_le32(dword); 1081 } 1082 1083 static __le32 rtw89_build_txwd_body2(struct rtw89_tx_desc_info *desc_info) 1084 { 1085 u32 dword = FIELD_PREP(RTW89_TXWD_BODY2_TID_INDICATE, desc_info->tid_indicate) | 1086 FIELD_PREP(RTW89_TXWD_BODY2_QSEL, desc_info->qsel) | 1087 FIELD_PREP(RTW89_TXWD_BODY2_TXPKT_SIZE, desc_info->pkt_size) | 1088 FIELD_PREP(RTW89_TXWD_BODY2_MACID, desc_info->mac_id); 1089 1090 return cpu_to_le32(dword); 1091 } 1092 1093 static __le32 rtw89_build_txwd_body3(struct rtw89_tx_desc_info *desc_info) 1094 { 1095 u32 dword = FIELD_PREP(RTW89_TXWD_BODY3_SW_SEQ, desc_info->seq) | 1096 FIELD_PREP(RTW89_TXWD_BODY3_AGG_EN, desc_info->agg_en) | 1097 FIELD_PREP(RTW89_TXWD_BODY3_BK, desc_info->bk); 1098 1099 return cpu_to_le32(dword); 1100 } 1101 1102 static __le32 rtw89_build_txwd_body4(struct rtw89_tx_desc_info *desc_info) 1103 { 1104 u32 dword = FIELD_PREP(RTW89_TXWD_BODY4_SEC_IV_L0, desc_info->sec_seq[0]) | 1105 FIELD_PREP(RTW89_TXWD_BODY4_SEC_IV_L1, desc_info->sec_seq[1]); 1106 1107 return cpu_to_le32(dword); 1108 } 1109 1110 static __le32 rtw89_build_txwd_body5(struct rtw89_tx_desc_info *desc_info) 1111 { 1112 u32 dword = FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H2, desc_info->sec_seq[2]) | 1113 FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H3, desc_info->sec_seq[3]) | 1114 FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H4, desc_info->sec_seq[4]) | 1115 FIELD_PREP(RTW89_TXWD_BODY5_SEC_IV_H5, desc_info->sec_seq[5]); 1116 1117 return cpu_to_le32(dword); 1118 } 1119 1120 static __le32 rtw89_build_txwd_body7_v1(struct rtw89_tx_desc_info *desc_info) 1121 { 1122 u32 dword = FIELD_PREP(RTW89_TXWD_BODY7_USE_RATE_V1, desc_info->use_rate) | 1123 FIELD_PREP(RTW89_TXWD_BODY7_DATA_RATE, desc_info->data_rate); 1124 1125 return cpu_to_le32(dword); 1126 } 1127 1128 static __le32 rtw89_build_txwd_info0(struct rtw89_tx_desc_info *desc_info) 1129 { 1130 u32 dword = FIELD_PREP(RTW89_TXWD_INFO0_USE_RATE, desc_info->use_rate) | 1131 FIELD_PREP(RTW89_TXWD_INFO0_DATA_RATE, desc_info->data_rate) | 1132 FIELD_PREP(RTW89_TXWD_INFO0_DISDATAFB, desc_info->dis_data_fb) | 1133 FIELD_PREP(RTW89_TXWD_INFO0_MULTIPORT_ID, desc_info->port); 1134 1135 return cpu_to_le32(dword); 1136 } 1137 1138 static __le32 rtw89_build_txwd_info0_v1(struct rtw89_tx_desc_info *desc_info) 1139 { 1140 u32 dword = FIELD_PREP(RTW89_TXWD_INFO0_DISDATAFB, desc_info->dis_data_fb) | 1141 FIELD_PREP(RTW89_TXWD_INFO0_MULTIPORT_ID, desc_info->port) | 1142 FIELD_PREP(RTW89_TXWD_INFO0_DATA_ER, desc_info->er_cap) | 1143 FIELD_PREP(RTW89_TXWD_INFO0_DATA_BW_ER, 0); 1144 1145 return cpu_to_le32(dword); 1146 } 1147 1148 static __le32 rtw89_build_txwd_info1(struct rtw89_tx_desc_info *desc_info) 1149 { 1150 u32 dword = FIELD_PREP(RTW89_TXWD_INFO1_MAX_AGGNUM, desc_info->ampdu_num) | 1151 FIELD_PREP(RTW89_TXWD_INFO1_A_CTRL_BSR, desc_info->a_ctrl_bsr) | 1152 FIELD_PREP(RTW89_TXWD_INFO1_DATA_RTY_LOWEST_RATE, 1153 desc_info->data_retry_lowest_rate); 1154 1155 return cpu_to_le32(dword); 1156 } 1157 1158 static __le32 rtw89_build_txwd_info2(struct rtw89_tx_desc_info *desc_info) 1159 { 1160 u32 dword = FIELD_PREP(RTW89_TXWD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) | 1161 FIELD_PREP(RTW89_TXWD_INFO2_SEC_TYPE, desc_info->sec_type) | 1162 FIELD_PREP(RTW89_TXWD_INFO2_SEC_HW_ENC, desc_info->sec_en) | 1163 FIELD_PREP(RTW89_TXWD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx); 1164 1165 return cpu_to_le32(dword); 1166 } 1167 1168 static __le32 rtw89_build_txwd_info2_v1(struct rtw89_tx_desc_info *desc_info) 1169 { 1170 u32 dword = FIELD_PREP(RTW89_TXWD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) | 1171 FIELD_PREP(RTW89_TXWD_INFO2_FORCE_KEY_EN, desc_info->sec_en) | 1172 FIELD_PREP(RTW89_TXWD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx); 1173 1174 return cpu_to_le32(dword); 1175 } 1176 1177 static __le32 rtw89_build_txwd_info4(struct rtw89_tx_desc_info *desc_info) 1178 { 1179 u32 dword = FIELD_PREP(RTW89_TXWD_INFO4_RTS_EN, 1) | 1180 FIELD_PREP(RTW89_TXWD_INFO4_HW_RTS_EN, 1); 1181 1182 return cpu_to_le32(dword); 1183 } 1184 1185 void rtw89_core_fill_txdesc(struct rtw89_dev *rtwdev, 1186 struct rtw89_tx_desc_info *desc_info, 1187 void *txdesc) 1188 { 1189 struct rtw89_txwd_body *txwd_body = (struct rtw89_txwd_body *)txdesc; 1190 struct rtw89_txwd_info *txwd_info; 1191 1192 txwd_body->dword0 = rtw89_build_txwd_body0(desc_info); 1193 txwd_body->dword2 = rtw89_build_txwd_body2(desc_info); 1194 txwd_body->dword3 = rtw89_build_txwd_body3(desc_info); 1195 1196 if (!desc_info->en_wd_info) 1197 return; 1198 1199 txwd_info = (struct rtw89_txwd_info *)(txwd_body + 1); 1200 txwd_info->dword0 = rtw89_build_txwd_info0(desc_info); 1201 txwd_info->dword1 = rtw89_build_txwd_info1(desc_info); 1202 txwd_info->dword2 = rtw89_build_txwd_info2(desc_info); 1203 txwd_info->dword4 = rtw89_build_txwd_info4(desc_info); 1204 1205 } 1206 EXPORT_SYMBOL(rtw89_core_fill_txdesc); 1207 1208 void rtw89_core_fill_txdesc_v1(struct rtw89_dev *rtwdev, 1209 struct rtw89_tx_desc_info *desc_info, 1210 void *txdesc) 1211 { 1212 struct rtw89_txwd_body_v1 *txwd_body = (struct rtw89_txwd_body_v1 *)txdesc; 1213 struct rtw89_txwd_info *txwd_info; 1214 1215 txwd_body->dword0 = rtw89_build_txwd_body0_v1(desc_info); 1216 txwd_body->dword1 = rtw89_build_txwd_body1_v1(desc_info); 1217 txwd_body->dword2 = rtw89_build_txwd_body2(desc_info); 1218 txwd_body->dword3 = rtw89_build_txwd_body3(desc_info); 1219 if (desc_info->sec_en) { 1220 txwd_body->dword4 = rtw89_build_txwd_body4(desc_info); 1221 txwd_body->dword5 = rtw89_build_txwd_body5(desc_info); 1222 } 1223 txwd_body->dword7 = rtw89_build_txwd_body7_v1(desc_info); 1224 1225 if (!desc_info->en_wd_info) 1226 return; 1227 1228 txwd_info = (struct rtw89_txwd_info *)(txwd_body + 1); 1229 txwd_info->dword0 = rtw89_build_txwd_info0_v1(desc_info); 1230 txwd_info->dword1 = rtw89_build_txwd_info1(desc_info); 1231 txwd_info->dword2 = rtw89_build_txwd_info2_v1(desc_info); 1232 txwd_info->dword4 = rtw89_build_txwd_info4(desc_info); 1233 } 1234 EXPORT_SYMBOL(rtw89_core_fill_txdesc_v1); 1235 1236 static __le32 rtw89_build_txwd_body0_v2(struct rtw89_tx_desc_info *desc_info) 1237 { 1238 u32 dword = FIELD_PREP(BE_TXD_BODY0_WP_OFFSET_V1, desc_info->wp_offset) | 1239 FIELD_PREP(BE_TXD_BODY0_WDINFO_EN, desc_info->en_wd_info) | 1240 FIELD_PREP(BE_TXD_BODY0_CH_DMA, desc_info->ch_dma) | 1241 FIELD_PREP(BE_TXD_BODY0_HDR_LLC_LEN, desc_info->hdr_llc_len) | 1242 FIELD_PREP(BE_TXD_BODY0_WD_PAGE, desc_info->wd_page); 1243 1244 return cpu_to_le32(dword); 1245 } 1246 1247 static __le32 rtw89_build_txwd_body1_v2(struct rtw89_tx_desc_info *desc_info) 1248 { 1249 u32 dword = FIELD_PREP(BE_TXD_BODY1_ADDR_INFO_NUM, desc_info->addr_info_nr) | 1250 FIELD_PREP(BE_TXD_BODY1_SEC_KEYID, desc_info->sec_keyid) | 1251 FIELD_PREP(BE_TXD_BODY1_SEC_TYPE, desc_info->sec_type); 1252 1253 return cpu_to_le32(dword); 1254 } 1255 1256 static __le32 rtw89_build_txwd_body2_v2(struct rtw89_tx_desc_info *desc_info) 1257 { 1258 u32 dword = FIELD_PREP(BE_TXD_BODY2_TID_IND, desc_info->tid_indicate) | 1259 FIELD_PREP(BE_TXD_BODY2_QSEL, desc_info->qsel) | 1260 FIELD_PREP(BE_TXD_BODY2_TXPKTSIZE, desc_info->pkt_size) | 1261 FIELD_PREP(BE_TXD_BODY2_AGG_EN, desc_info->agg_en) | 1262 FIELD_PREP(BE_TXD_BODY2_BK, desc_info->bk) | 1263 FIELD_PREP(BE_TXD_BODY2_MACID, desc_info->mac_id); 1264 1265 return cpu_to_le32(dword); 1266 } 1267 1268 static __le32 rtw89_build_txwd_body3_v2(struct rtw89_tx_desc_info *desc_info) 1269 { 1270 u32 dword = FIELD_PREP(BE_TXD_BODY3_WIFI_SEQ, desc_info->seq); 1271 1272 return cpu_to_le32(dword); 1273 } 1274 1275 static __le32 rtw89_build_txwd_body4_v2(struct rtw89_tx_desc_info *desc_info) 1276 { 1277 u32 dword = FIELD_PREP(BE_TXD_BODY4_SEC_IV_L0, desc_info->sec_seq[0]) | 1278 FIELD_PREP(BE_TXD_BODY4_SEC_IV_L1, desc_info->sec_seq[1]); 1279 1280 return cpu_to_le32(dword); 1281 } 1282 1283 static __le32 rtw89_build_txwd_body5_v2(struct rtw89_tx_desc_info *desc_info) 1284 { 1285 u32 dword = FIELD_PREP(BE_TXD_BODY5_SEC_IV_H2, desc_info->sec_seq[2]) | 1286 FIELD_PREP(BE_TXD_BODY5_SEC_IV_H3, desc_info->sec_seq[3]) | 1287 FIELD_PREP(BE_TXD_BODY5_SEC_IV_H4, desc_info->sec_seq[4]) | 1288 FIELD_PREP(BE_TXD_BODY5_SEC_IV_H5, desc_info->sec_seq[5]); 1289 1290 return cpu_to_le32(dword); 1291 } 1292 1293 static __le32 rtw89_build_txwd_body7_v2(struct rtw89_tx_desc_info *desc_info) 1294 { 1295 u32 dword = FIELD_PREP(BE_TXD_BODY7_USERATE_SEL, desc_info->use_rate) | 1296 FIELD_PREP(BE_TXD_BODY7_DATA_ER, desc_info->er_cap) | 1297 FIELD_PREP(BE_TXD_BODY7_DATA_BW_ER, 0) | 1298 FIELD_PREP(BE_TXD_BODY7_DATARATE, desc_info->data_rate); 1299 1300 return cpu_to_le32(dword); 1301 } 1302 1303 static __le32 rtw89_build_txwd_info0_v2(struct rtw89_tx_desc_info *desc_info) 1304 { 1305 u32 dword = FIELD_PREP(BE_TXD_INFO0_DISDATAFB, desc_info->dis_data_fb) | 1306 FIELD_PREP(BE_TXD_INFO0_MULTIPORT_ID, desc_info->port); 1307 1308 return cpu_to_le32(dword); 1309 } 1310 1311 static __le32 rtw89_build_txwd_info1_v2(struct rtw89_tx_desc_info *desc_info) 1312 { 1313 u32 dword = FIELD_PREP(BE_TXD_INFO1_MAX_AGG_NUM, desc_info->ampdu_num) | 1314 FIELD_PREP(BE_TXD_INFO1_A_CTRL_BSR, desc_info->a_ctrl_bsr) | 1315 FIELD_PREP(BE_TXD_INFO1_DATA_RTY_LOWEST_RATE, 1316 desc_info->data_retry_lowest_rate); 1317 1318 return cpu_to_le32(dword); 1319 } 1320 1321 static __le32 rtw89_build_txwd_info2_v2(struct rtw89_tx_desc_info *desc_info) 1322 { 1323 u32 dword = FIELD_PREP(BE_TXD_INFO2_AMPDU_DENSITY, desc_info->ampdu_density) | 1324 FIELD_PREP(BE_TXD_INFO2_FORCE_KEY_EN, desc_info->sec_en) | 1325 FIELD_PREP(BE_TXD_INFO2_SEC_CAM_IDX, desc_info->sec_cam_idx); 1326 1327 return cpu_to_le32(dword); 1328 } 1329 1330 static __le32 rtw89_build_txwd_info4_v2(struct rtw89_tx_desc_info *desc_info) 1331 { 1332 u32 dword = FIELD_PREP(BE_TXD_INFO4_RTS_EN, 1) | 1333 FIELD_PREP(BE_TXD_INFO4_HW_RTS_EN, 1); 1334 1335 return cpu_to_le32(dword); 1336 } 1337 1338 void rtw89_core_fill_txdesc_v2(struct rtw89_dev *rtwdev, 1339 struct rtw89_tx_desc_info *desc_info, 1340 void *txdesc) 1341 { 1342 struct rtw89_txwd_body_v2 *txwd_body = txdesc; 1343 struct rtw89_txwd_info_v2 *txwd_info; 1344 1345 txwd_body->dword0 = rtw89_build_txwd_body0_v2(desc_info); 1346 txwd_body->dword1 = rtw89_build_txwd_body1_v2(desc_info); 1347 txwd_body->dword2 = rtw89_build_txwd_body2_v2(desc_info); 1348 txwd_body->dword3 = rtw89_build_txwd_body3_v2(desc_info); 1349 if (desc_info->sec_en) { 1350 txwd_body->dword4 = rtw89_build_txwd_body4_v2(desc_info); 1351 txwd_body->dword5 = rtw89_build_txwd_body5_v2(desc_info); 1352 } 1353 txwd_body->dword7 = rtw89_build_txwd_body7_v2(desc_info); 1354 1355 if (!desc_info->en_wd_info) 1356 return; 1357 1358 txwd_info = (struct rtw89_txwd_info_v2 *)(txwd_body + 1); 1359 txwd_info->dword0 = rtw89_build_txwd_info0_v2(desc_info); 1360 txwd_info->dword1 = rtw89_build_txwd_info1_v2(desc_info); 1361 txwd_info->dword2 = rtw89_build_txwd_info2_v2(desc_info); 1362 txwd_info->dword4 = rtw89_build_txwd_info4_v2(desc_info); 1363 } 1364 EXPORT_SYMBOL(rtw89_core_fill_txdesc_v2); 1365 1366 static __le32 rtw89_build_txwd_fwcmd0_v1(struct rtw89_tx_desc_info *desc_info) 1367 { 1368 u32 dword = FIELD_PREP(AX_RXD_RPKT_LEN_MASK, desc_info->pkt_size) | 1369 FIELD_PREP(AX_RXD_RPKT_TYPE_MASK, desc_info->fw_dl ? 1370 RTW89_CORE_RX_TYPE_FWDL : 1371 RTW89_CORE_RX_TYPE_H2C); 1372 1373 return cpu_to_le32(dword); 1374 } 1375 1376 void rtw89_core_fill_txdesc_fwcmd_v1(struct rtw89_dev *rtwdev, 1377 struct rtw89_tx_desc_info *desc_info, 1378 void *txdesc) 1379 { 1380 struct rtw89_rxdesc_short *txwd_v1 = (struct rtw89_rxdesc_short *)txdesc; 1381 1382 txwd_v1->dword0 = rtw89_build_txwd_fwcmd0_v1(desc_info); 1383 } 1384 EXPORT_SYMBOL(rtw89_core_fill_txdesc_fwcmd_v1); 1385 1386 static __le32 rtw89_build_txwd_fwcmd0_v2(struct rtw89_tx_desc_info *desc_info) 1387 { 1388 u32 dword = FIELD_PREP(BE_RXD_RPKT_LEN_MASK, desc_info->pkt_size) | 1389 FIELD_PREP(BE_RXD_RPKT_TYPE_MASK, desc_info->fw_dl ? 1390 RTW89_CORE_RX_TYPE_FWDL : 1391 RTW89_CORE_RX_TYPE_H2C); 1392 1393 return cpu_to_le32(dword); 1394 } 1395 1396 void rtw89_core_fill_txdesc_fwcmd_v2(struct rtw89_dev *rtwdev, 1397 struct rtw89_tx_desc_info *desc_info, 1398 void *txdesc) 1399 { 1400 struct rtw89_rxdesc_short_v2 *txwd_v2 = (struct rtw89_rxdesc_short_v2 *)txdesc; 1401 1402 txwd_v2->dword0 = rtw89_build_txwd_fwcmd0_v2(desc_info); 1403 } 1404 EXPORT_SYMBOL(rtw89_core_fill_txdesc_fwcmd_v2); 1405 1406 static int rtw89_core_rx_process_mac_ppdu(struct rtw89_dev *rtwdev, 1407 struct sk_buff *skb, 1408 struct rtw89_rx_phy_ppdu *phy_ppdu) 1409 { 1410 const struct rtw89_rxinfo *rxinfo = (const struct rtw89_rxinfo *)skb->data; 1411 bool rx_cnt_valid = false; 1412 u8 plcp_size = 0; 1413 u8 usr_num = 0; 1414 u8 *phy_sts; 1415 1416 rx_cnt_valid = le32_get_bits(rxinfo->w0, RTW89_RXINFO_W0_RX_CNT_VLD); 1417 plcp_size = le32_get_bits(rxinfo->w1, RTW89_RXINFO_W1_PLCP_LEN) << 3; 1418 usr_num = le32_get_bits(rxinfo->w0, RTW89_RXINFO_W0_USR_NUM); 1419 if (usr_num > RTW89_PPDU_MAX_USR) { 1420 rtw89_warn(rtwdev, "Invalid user number in mac info\n"); 1421 return -EINVAL; 1422 } 1423 1424 phy_sts = skb->data + RTW89_PPDU_MAC_INFO_SIZE; 1425 phy_sts += usr_num * RTW89_PPDU_MAC_INFO_USR_SIZE; 1426 /* 8-byte alignment */ 1427 if (usr_num & BIT(0)) 1428 phy_sts += RTW89_PPDU_MAC_INFO_USR_SIZE; 1429 if (rx_cnt_valid) 1430 phy_sts += RTW89_PPDU_MAC_RX_CNT_SIZE; 1431 phy_sts += plcp_size; 1432 1433 phy_ppdu->buf = phy_sts; 1434 phy_ppdu->len = skb->data + skb->len - phy_sts; 1435 1436 return 0; 1437 } 1438 1439 static void rtw89_core_rx_process_phy_ppdu_iter(void *data, 1440 struct ieee80211_sta *sta) 1441 { 1442 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 1443 struct rtw89_rx_phy_ppdu *phy_ppdu = (struct rtw89_rx_phy_ppdu *)data; 1444 struct rtw89_dev *rtwdev = rtwsta->rtwdev; 1445 struct rtw89_hal *hal = &rtwdev->hal; 1446 u8 ant_num = hal->ant_diversity ? 2 : rtwdev->chip->rf_path_num; 1447 u8 ant_pos = U8_MAX; 1448 u8 evm_pos = 0; 1449 int i; 1450 1451 if (rtwsta->mac_id != phy_ppdu->mac_id || !phy_ppdu->to_self) 1452 return; 1453 1454 if (hal->ant_diversity && hal->antenna_rx) { 1455 ant_pos = __ffs(hal->antenna_rx); 1456 evm_pos = ant_pos; 1457 } 1458 1459 ewma_rssi_add(&rtwsta->avg_rssi, phy_ppdu->rssi_avg); 1460 1461 if (ant_pos < ant_num) { 1462 ewma_rssi_add(&rtwsta->rssi[ant_pos], phy_ppdu->rssi[0]); 1463 } else { 1464 for (i = 0; i < rtwdev->chip->rf_path_num; i++) 1465 ewma_rssi_add(&rtwsta->rssi[i], phy_ppdu->rssi[i]); 1466 } 1467 1468 if (phy_ppdu->ofdm.has) { 1469 ewma_snr_add(&rtwsta->avg_snr, phy_ppdu->ofdm.avg_snr); 1470 ewma_evm_add(&rtwsta->evm_min[evm_pos], phy_ppdu->ofdm.evm_min); 1471 ewma_evm_add(&rtwsta->evm_max[evm_pos], phy_ppdu->ofdm.evm_max); 1472 } 1473 } 1474 1475 #define VAR_LEN 0xff 1476 #define VAR_LEN_UNIT 8 1477 static u16 rtw89_core_get_phy_status_ie_len(struct rtw89_dev *rtwdev, 1478 const struct rtw89_phy_sts_iehdr *iehdr) 1479 { 1480 static const u8 physts_ie_len_tab[32] = { 1481 16, 32, 24, 24, 8, 8, 8, 8, VAR_LEN, 8, VAR_LEN, 176, VAR_LEN, 1482 VAR_LEN, VAR_LEN, VAR_LEN, VAR_LEN, VAR_LEN, 16, 24, VAR_LEN, 1483 VAR_LEN, VAR_LEN, 0, 24, 24, 24, 24, 32, 32, 32, 32 1484 }; 1485 u16 ie_len; 1486 u8 ie; 1487 1488 ie = le32_get_bits(iehdr->w0, RTW89_PHY_STS_IEHDR_TYPE); 1489 if (physts_ie_len_tab[ie] != VAR_LEN) 1490 ie_len = physts_ie_len_tab[ie]; 1491 else 1492 ie_len = le32_get_bits(iehdr->w0, RTW89_PHY_STS_IEHDR_LEN) * VAR_LEN_UNIT; 1493 1494 return ie_len; 1495 } 1496 1497 static void rtw89_core_parse_phy_status_ie01(struct rtw89_dev *rtwdev, 1498 const struct rtw89_phy_sts_iehdr *iehdr, 1499 struct rtw89_rx_phy_ppdu *phy_ppdu) 1500 { 1501 const struct rtw89_phy_sts_ie0 *ie = (const struct rtw89_phy_sts_ie0 *)iehdr; 1502 s16 cfo; 1503 u32 t; 1504 1505 phy_ppdu->chan_idx = le32_get_bits(ie->w0, RTW89_PHY_STS_IE01_W0_CH_IDX); 1506 if (phy_ppdu->rate < RTW89_HW_RATE_OFDM6) 1507 return; 1508 1509 if (!phy_ppdu->to_self) 1510 return; 1511 1512 phy_ppdu->ofdm.avg_snr = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_AVG_SNR); 1513 phy_ppdu->ofdm.evm_max = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_EVM_MAX); 1514 phy_ppdu->ofdm.evm_min = le32_get_bits(ie->w2, RTW89_PHY_STS_IE01_W2_EVM_MIN); 1515 phy_ppdu->ofdm.has = true; 1516 1517 /* sign conversion for S(12,2) */ 1518 if (rtwdev->chip->cfo_src_fd) { 1519 t = le32_get_bits(ie->w1, RTW89_PHY_STS_IE01_W1_FD_CFO); 1520 cfo = sign_extend32(t, 11); 1521 } else { 1522 t = le32_get_bits(ie->w1, RTW89_PHY_STS_IE01_W1_PREMB_CFO); 1523 cfo = sign_extend32(t, 11); 1524 } 1525 1526 rtw89_phy_cfo_parse(rtwdev, cfo, phy_ppdu); 1527 } 1528 1529 static int rtw89_core_process_phy_status_ie(struct rtw89_dev *rtwdev, 1530 const struct rtw89_phy_sts_iehdr *iehdr, 1531 struct rtw89_rx_phy_ppdu *phy_ppdu) 1532 { 1533 u8 ie; 1534 1535 ie = le32_get_bits(iehdr->w0, RTW89_PHY_STS_IEHDR_TYPE); 1536 1537 switch (ie) { 1538 case RTW89_PHYSTS_IE01_CMN_OFDM: 1539 rtw89_core_parse_phy_status_ie01(rtwdev, iehdr, phy_ppdu); 1540 break; 1541 default: 1542 break; 1543 } 1544 1545 return 0; 1546 } 1547 1548 static void rtw89_core_update_phy_ppdu(struct rtw89_rx_phy_ppdu *phy_ppdu) 1549 { 1550 const struct rtw89_phy_sts_hdr *hdr = phy_ppdu->buf; 1551 u8 *rssi = phy_ppdu->rssi; 1552 1553 phy_ppdu->ie = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_IE_MAP); 1554 phy_ppdu->rssi_avg = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_RSSI_AVG); 1555 rssi[RF_PATH_A] = le32_get_bits(hdr->w1, RTW89_PHY_STS_HDR_W1_RSSI_A); 1556 rssi[RF_PATH_B] = le32_get_bits(hdr->w1, RTW89_PHY_STS_HDR_W1_RSSI_B); 1557 rssi[RF_PATH_C] = le32_get_bits(hdr->w1, RTW89_PHY_STS_HDR_W1_RSSI_C); 1558 rssi[RF_PATH_D] = le32_get_bits(hdr->w1, RTW89_PHY_STS_HDR_W1_RSSI_D); 1559 } 1560 1561 static int rtw89_core_rx_process_phy_ppdu(struct rtw89_dev *rtwdev, 1562 struct rtw89_rx_phy_ppdu *phy_ppdu) 1563 { 1564 const struct rtw89_phy_sts_hdr *hdr = phy_ppdu->buf; 1565 u32 len_from_header; 1566 1567 len_from_header = le32_get_bits(hdr->w0, RTW89_PHY_STS_HDR_W0_LEN) << 3; 1568 1569 if (len_from_header != phy_ppdu->len) { 1570 rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "phy ppdu len mismatch\n"); 1571 return -EINVAL; 1572 } 1573 rtw89_core_update_phy_ppdu(phy_ppdu); 1574 1575 return 0; 1576 } 1577 1578 static int rtw89_core_rx_parse_phy_sts(struct rtw89_dev *rtwdev, 1579 struct rtw89_rx_phy_ppdu *phy_ppdu) 1580 { 1581 u16 ie_len; 1582 void *pos, *end; 1583 1584 /* mark invalid reports and bypass them */ 1585 if (phy_ppdu->ie < RTW89_CCK_PKT) 1586 return -EINVAL; 1587 1588 pos = phy_ppdu->buf + PHY_STS_HDR_LEN; 1589 end = phy_ppdu->buf + phy_ppdu->len; 1590 while (pos < end) { 1591 const struct rtw89_phy_sts_iehdr *iehdr = pos; 1592 1593 ie_len = rtw89_core_get_phy_status_ie_len(rtwdev, iehdr); 1594 rtw89_core_process_phy_status_ie(rtwdev, iehdr, phy_ppdu); 1595 pos += ie_len; 1596 if (pos > end || ie_len == 0) { 1597 rtw89_debug(rtwdev, RTW89_DBG_TXRX, 1598 "phy status parse failed\n"); 1599 return -EINVAL; 1600 } 1601 } 1602 1603 rtw89_phy_antdiv_parse(rtwdev, phy_ppdu); 1604 1605 return 0; 1606 } 1607 1608 static void rtw89_core_rx_process_phy_sts(struct rtw89_dev *rtwdev, 1609 struct rtw89_rx_phy_ppdu *phy_ppdu) 1610 { 1611 int ret; 1612 1613 ret = rtw89_core_rx_parse_phy_sts(rtwdev, phy_ppdu); 1614 if (ret) 1615 rtw89_debug(rtwdev, RTW89_DBG_TXRX, "parse phy sts failed\n"); 1616 else 1617 phy_ppdu->valid = true; 1618 1619 ieee80211_iterate_stations_atomic(rtwdev->hw, 1620 rtw89_core_rx_process_phy_ppdu_iter, 1621 phy_ppdu); 1622 } 1623 1624 static u8 rtw89_rxdesc_to_nl_he_gi(struct rtw89_dev *rtwdev, 1625 const struct rtw89_rx_desc_info *desc_info, 1626 bool rx_status) 1627 { 1628 switch (desc_info->gi_ltf) { 1629 case RTW89_GILTF_SGI_4XHE08: 1630 case RTW89_GILTF_2XHE08: 1631 case RTW89_GILTF_1XHE08: 1632 return NL80211_RATE_INFO_HE_GI_0_8; 1633 case RTW89_GILTF_2XHE16: 1634 case RTW89_GILTF_1XHE16: 1635 return NL80211_RATE_INFO_HE_GI_1_6; 1636 case RTW89_GILTF_LGI_4XHE32: 1637 return NL80211_RATE_INFO_HE_GI_3_2; 1638 default: 1639 rtw89_warn(rtwdev, "invalid gi_ltf=%d", desc_info->gi_ltf); 1640 return rx_status ? NL80211_RATE_INFO_HE_GI_3_2 : U8_MAX; 1641 } 1642 } 1643 1644 static bool rtw89_core_rx_ppdu_match(struct rtw89_dev *rtwdev, 1645 struct rtw89_rx_desc_info *desc_info, 1646 struct ieee80211_rx_status *status) 1647 { 1648 u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0; 1649 u8 data_rate_mode, bw, rate_idx = MASKBYTE0, gi_ltf; 1650 u16 data_rate; 1651 bool ret; 1652 1653 data_rate = desc_info->data_rate; 1654 data_rate_mode = rtw89_get_data_rate_mode(rtwdev, data_rate); 1655 if (data_rate_mode == DATA_RATE_MODE_NON_HT) { 1656 rate_idx = rtw89_get_data_not_ht_idx(rtwdev, data_rate); 1657 /* rate_idx is still hardware value here */ 1658 } else if (data_rate_mode == DATA_RATE_MODE_HT) { 1659 rate_idx = rtw89_get_data_ht_mcs(rtwdev, data_rate); 1660 } else if (data_rate_mode == DATA_RATE_MODE_VHT) { 1661 rate_idx = rtw89_get_data_mcs(rtwdev, data_rate); 1662 } else if (data_rate_mode == DATA_RATE_MODE_HE) { 1663 rate_idx = rtw89_get_data_mcs(rtwdev, data_rate); 1664 } else { 1665 rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode); 1666 } 1667 1668 bw = rtw89_hw_to_rate_info_bw(desc_info->bw); 1669 gi_ltf = rtw89_rxdesc_to_nl_he_gi(rtwdev, desc_info, false); 1670 ret = rtwdev->ppdu_sts.curr_rx_ppdu_cnt[band] == desc_info->ppdu_cnt && 1671 status->rate_idx == rate_idx && 1672 status->he_gi == gi_ltf && 1673 status->bw == bw; 1674 1675 return ret; 1676 } 1677 1678 struct rtw89_vif_rx_stats_iter_data { 1679 struct rtw89_dev *rtwdev; 1680 struct rtw89_rx_phy_ppdu *phy_ppdu; 1681 struct rtw89_rx_desc_info *desc_info; 1682 struct sk_buff *skb; 1683 const u8 *bssid; 1684 }; 1685 1686 static void rtw89_stats_trigger_frame(struct rtw89_dev *rtwdev, 1687 struct ieee80211_vif *vif, 1688 struct sk_buff *skb) 1689 { 1690 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 1691 struct ieee80211_trigger *tf = (struct ieee80211_trigger *)skb->data; 1692 u8 *pos, *end, type, tf_bw; 1693 u16 aid, tf_rua; 1694 1695 if (!ether_addr_equal(vif->bss_conf.bssid, tf->ta) || 1696 rtwvif->wifi_role != RTW89_WIFI_ROLE_STATION || 1697 rtwvif->net_type == RTW89_NET_TYPE_NO_LINK) 1698 return; 1699 1700 type = le64_get_bits(tf->common_info, IEEE80211_TRIGGER_TYPE_MASK); 1701 if (type != IEEE80211_TRIGGER_TYPE_BASIC && type != IEEE80211_TRIGGER_TYPE_MU_BAR) 1702 return; 1703 1704 end = (u8 *)tf + skb->len; 1705 pos = tf->variable; 1706 1707 while (end - pos >= RTW89_TF_BASIC_USER_INFO_SZ) { 1708 aid = RTW89_GET_TF_USER_INFO_AID12(pos); 1709 tf_rua = RTW89_GET_TF_USER_INFO_RUA(pos); 1710 tf_bw = le64_get_bits(tf->common_info, IEEE80211_TRIGGER_ULBW_MASK); 1711 rtw89_debug(rtwdev, RTW89_DBG_TXRX, 1712 "[TF] aid: %d, ul_mcs: %d, rua: %d, bw: %d\n", 1713 aid, RTW89_GET_TF_USER_INFO_UL_MCS(pos), 1714 tf_rua, tf_bw); 1715 1716 if (aid == RTW89_TF_PAD) 1717 break; 1718 1719 if (aid == vif->cfg.aid) { 1720 enum nl80211_he_ru_alloc rua = rtw89_he_rua_to_ru_alloc(tf_rua >> 1); 1721 1722 rtwvif->stats.rx_tf_acc++; 1723 rtwdev->stats.rx_tf_acc++; 1724 if (tf_bw == IEEE80211_TRIGGER_ULBW_160_80P80MHZ && 1725 rua <= NL80211_RATE_INFO_HE_RU_ALLOC_106) 1726 rtwvif->pwr_diff_en = true; 1727 break; 1728 } 1729 1730 pos += RTW89_TF_BASIC_USER_INFO_SZ; 1731 } 1732 } 1733 1734 static void rtw89_cancel_6ghz_probe_work(struct work_struct *work) 1735 { 1736 struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, 1737 cancel_6ghz_probe_work); 1738 struct list_head *pkt_list = rtwdev->scan_info.pkt_list; 1739 struct rtw89_pktofld_info *info; 1740 1741 mutex_lock(&rtwdev->mutex); 1742 1743 if (!rtwdev->scanning) 1744 goto out; 1745 1746 list_for_each_entry(info, &pkt_list[NL80211_BAND_6GHZ], list) { 1747 if (!info->cancel || !test_bit(info->id, rtwdev->pkt_offload)) 1748 continue; 1749 1750 rtw89_fw_h2c_del_pkt_offload(rtwdev, info->id); 1751 1752 /* Don't delete/free info from pkt_list at this moment. Let it 1753 * be deleted/freed in rtw89_release_pkt_list() after scanning, 1754 * since if during scanning, pkt_list is accessed in bottom half. 1755 */ 1756 } 1757 1758 out: 1759 mutex_unlock(&rtwdev->mutex); 1760 } 1761 1762 static void rtw89_core_cancel_6ghz_probe_tx(struct rtw89_dev *rtwdev, 1763 struct sk_buff *skb) 1764 { 1765 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); 1766 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; 1767 struct list_head *pkt_list = rtwdev->scan_info.pkt_list; 1768 struct rtw89_pktofld_info *info; 1769 const u8 *ies = mgmt->u.beacon.variable, *ssid_ie; 1770 bool queue_work = false; 1771 1772 if (rx_status->band != NL80211_BAND_6GHZ) 1773 return; 1774 1775 ssid_ie = cfg80211_find_ie(WLAN_EID_SSID, ies, skb->len); 1776 1777 list_for_each_entry(info, &pkt_list[NL80211_BAND_6GHZ], list) { 1778 if (ether_addr_equal(info->bssid, mgmt->bssid)) { 1779 info->cancel = true; 1780 queue_work = true; 1781 continue; 1782 } 1783 1784 if (!ssid_ie || ssid_ie[1] != info->ssid_len || info->ssid_len == 0) 1785 continue; 1786 1787 if (memcmp(&ssid_ie[2], info->ssid, info->ssid_len) == 0) { 1788 info->cancel = true; 1789 queue_work = true; 1790 } 1791 } 1792 1793 if (queue_work) 1794 ieee80211_queue_work(rtwdev->hw, &rtwdev->cancel_6ghz_probe_work); 1795 } 1796 1797 static void rtw89_vif_rx_stats_iter(void *data, u8 *mac, 1798 struct ieee80211_vif *vif) 1799 { 1800 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 1801 struct rtw89_vif_rx_stats_iter_data *iter_data = data; 1802 struct rtw89_dev *rtwdev = iter_data->rtwdev; 1803 struct rtw89_pkt_stat *pkt_stat = &rtwdev->phystat.cur_pkt_stat; 1804 struct rtw89_rx_desc_info *desc_info = iter_data->desc_info; 1805 struct sk_buff *skb = iter_data->skb; 1806 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1807 struct rtw89_rx_phy_ppdu *phy_ppdu = iter_data->phy_ppdu; 1808 const u8 *bssid = iter_data->bssid; 1809 1810 if (rtwdev->scanning && 1811 (ieee80211_is_beacon(hdr->frame_control) || 1812 ieee80211_is_probe_resp(hdr->frame_control))) 1813 rtw89_core_cancel_6ghz_probe_tx(rtwdev, skb); 1814 1815 if (!vif->bss_conf.bssid) 1816 return; 1817 1818 if (ieee80211_is_trigger(hdr->frame_control)) { 1819 rtw89_stats_trigger_frame(rtwdev, vif, skb); 1820 return; 1821 } 1822 1823 if (!ether_addr_equal(vif->bss_conf.bssid, bssid)) 1824 return; 1825 1826 if (ieee80211_is_beacon(hdr->frame_control)) { 1827 if (vif->type == NL80211_IFTYPE_STATION) 1828 rtw89_fw_h2c_rssi_offload(rtwdev, phy_ppdu); 1829 pkt_stat->beacon_nr++; 1830 } 1831 1832 if (!ether_addr_equal(vif->addr, hdr->addr1)) 1833 return; 1834 1835 if (desc_info->data_rate < RTW89_HW_RATE_NR) 1836 pkt_stat->rx_rate_cnt[desc_info->data_rate]++; 1837 1838 rtw89_traffic_stats_accu(rtwdev, &rtwvif->stats, skb, false); 1839 } 1840 1841 static void rtw89_core_rx_stats(struct rtw89_dev *rtwdev, 1842 struct rtw89_rx_phy_ppdu *phy_ppdu, 1843 struct rtw89_rx_desc_info *desc_info, 1844 struct sk_buff *skb) 1845 { 1846 struct rtw89_vif_rx_stats_iter_data iter_data; 1847 1848 rtw89_traffic_stats_accu(rtwdev, &rtwdev->stats, skb, false); 1849 1850 iter_data.rtwdev = rtwdev; 1851 iter_data.phy_ppdu = phy_ppdu; 1852 iter_data.desc_info = desc_info; 1853 iter_data.skb = skb; 1854 iter_data.bssid = get_hdr_bssid((struct ieee80211_hdr *)skb->data); 1855 rtw89_iterate_vifs_bh(rtwdev, rtw89_vif_rx_stats_iter, &iter_data); 1856 } 1857 1858 static void rtw89_correct_cck_chan(struct rtw89_dev *rtwdev, 1859 struct ieee80211_rx_status *status) 1860 { 1861 const struct rtw89_chan_rcd *rcd = 1862 rtw89_chan_rcd_get(rtwdev, RTW89_SUB_ENTITY_0); 1863 u16 chan = rcd->prev_primary_channel; 1864 u8 band = rtw89_hw_to_nl80211_band(rcd->prev_band_type); 1865 1866 if (status->band != NL80211_BAND_2GHZ && 1867 status->encoding == RX_ENC_LEGACY && 1868 status->rate_idx < RTW89_HW_RATE_OFDM6) { 1869 status->freq = ieee80211_channel_to_frequency(chan, band); 1870 status->band = band; 1871 } 1872 } 1873 1874 static void rtw89_core_hw_to_sband_rate(struct ieee80211_rx_status *rx_status) 1875 { 1876 if (rx_status->band == NL80211_BAND_2GHZ || 1877 rx_status->encoding != RX_ENC_LEGACY) 1878 return; 1879 1880 /* Some control frames' freq(ACKs in this case) are reported wrong due 1881 * to FW notify timing, set to lowest rate to prevent overflow. 1882 */ 1883 if (rx_status->rate_idx < RTW89_HW_RATE_OFDM6) { 1884 rx_status->rate_idx = 0; 1885 return; 1886 } 1887 1888 /* No 4 CCK rates for non-2G */ 1889 rx_status->rate_idx -= 4; 1890 } 1891 1892 static void rtw89_core_update_radiotap(struct rtw89_dev *rtwdev, 1893 struct sk_buff *skb, 1894 struct ieee80211_rx_status *rx_status) 1895 { 1896 static const struct ieee80211_radiotap_he known_he = { 1897 .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN | 1898 IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN), 1899 .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN), 1900 }; 1901 struct ieee80211_radiotap_he *he; 1902 1903 if (!(rtwdev->hw->conf.flags & IEEE80211_CONF_MONITOR)) 1904 return; 1905 1906 if (rx_status->encoding == RX_ENC_HE) { 1907 rx_status->flag |= RX_FLAG_RADIOTAP_HE; 1908 he = skb_push(skb, sizeof(*he)); 1909 *he = known_he; 1910 } 1911 } 1912 1913 static void rtw89_core_rx_to_mac80211(struct rtw89_dev *rtwdev, 1914 struct rtw89_rx_phy_ppdu *phy_ppdu, 1915 struct rtw89_rx_desc_info *desc_info, 1916 struct sk_buff *skb_ppdu, 1917 struct ieee80211_rx_status *rx_status) 1918 { 1919 struct napi_struct *napi = &rtwdev->napi; 1920 1921 /* In low power mode, napi isn't scheduled. Receive it to netif. */ 1922 if (unlikely(!test_bit(NAPI_STATE_SCHED, &napi->state))) 1923 napi = NULL; 1924 1925 rtw89_core_hw_to_sband_rate(rx_status); 1926 rtw89_core_rx_stats(rtwdev, phy_ppdu, desc_info, skb_ppdu); 1927 rtw89_core_update_radiotap(rtwdev, skb_ppdu, rx_status); 1928 /* In low power mode, it does RX in thread context. */ 1929 local_bh_disable(); 1930 ieee80211_rx_napi(rtwdev->hw, NULL, skb_ppdu, napi); 1931 local_bh_enable(); 1932 rtwdev->napi_budget_countdown--; 1933 } 1934 1935 static void rtw89_core_rx_pending_skb(struct rtw89_dev *rtwdev, 1936 struct rtw89_rx_phy_ppdu *phy_ppdu, 1937 struct rtw89_rx_desc_info *desc_info, 1938 struct sk_buff *skb) 1939 { 1940 u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0; 1941 int curr = rtwdev->ppdu_sts.curr_rx_ppdu_cnt[band]; 1942 struct sk_buff *skb_ppdu = NULL, *tmp; 1943 struct ieee80211_rx_status *rx_status; 1944 1945 if (curr > RTW89_MAX_PPDU_CNT) 1946 return; 1947 1948 skb_queue_walk_safe(&rtwdev->ppdu_sts.rx_queue[band], skb_ppdu, tmp) { 1949 skb_unlink(skb_ppdu, &rtwdev->ppdu_sts.rx_queue[band]); 1950 rx_status = IEEE80211_SKB_RXCB(skb_ppdu); 1951 if (rtw89_core_rx_ppdu_match(rtwdev, desc_info, rx_status)) 1952 rtw89_chip_query_ppdu(rtwdev, phy_ppdu, rx_status); 1953 rtw89_correct_cck_chan(rtwdev, rx_status); 1954 rtw89_core_rx_to_mac80211(rtwdev, phy_ppdu, desc_info, skb_ppdu, rx_status); 1955 } 1956 } 1957 1958 static void rtw89_core_rx_process_ppdu_sts(struct rtw89_dev *rtwdev, 1959 struct rtw89_rx_desc_info *desc_info, 1960 struct sk_buff *skb) 1961 { 1962 struct rtw89_rx_phy_ppdu phy_ppdu = {.buf = skb->data, .valid = false, 1963 .len = skb->len, 1964 .to_self = desc_info->addr1_match, 1965 .rate = desc_info->data_rate, 1966 .mac_id = desc_info->mac_id}; 1967 int ret; 1968 1969 if (desc_info->mac_info_valid) 1970 rtw89_core_rx_process_mac_ppdu(rtwdev, skb, &phy_ppdu); 1971 ret = rtw89_core_rx_process_phy_ppdu(rtwdev, &phy_ppdu); 1972 if (ret) 1973 rtw89_debug(rtwdev, RTW89_DBG_TXRX, "process ppdu failed\n"); 1974 1975 rtw89_core_rx_process_phy_sts(rtwdev, &phy_ppdu); 1976 rtw89_core_rx_pending_skb(rtwdev, &phy_ppdu, desc_info, skb); 1977 dev_kfree_skb_any(skb); 1978 } 1979 1980 static void rtw89_core_rx_process_report(struct rtw89_dev *rtwdev, 1981 struct rtw89_rx_desc_info *desc_info, 1982 struct sk_buff *skb) 1983 { 1984 switch (desc_info->pkt_type) { 1985 case RTW89_CORE_RX_TYPE_C2H: 1986 rtw89_fw_c2h_irqsafe(rtwdev, skb); 1987 break; 1988 case RTW89_CORE_RX_TYPE_PPDU_STAT: 1989 rtw89_core_rx_process_ppdu_sts(rtwdev, desc_info, skb); 1990 break; 1991 default: 1992 rtw89_debug(rtwdev, RTW89_DBG_TXRX, "unhandled pkt_type=%d\n", 1993 desc_info->pkt_type); 1994 dev_kfree_skb_any(skb); 1995 break; 1996 } 1997 } 1998 1999 void rtw89_core_query_rxdesc(struct rtw89_dev *rtwdev, 2000 struct rtw89_rx_desc_info *desc_info, 2001 u8 *data, u32 data_offset) 2002 { 2003 const struct rtw89_chip_info *chip = rtwdev->chip; 2004 struct rtw89_rxdesc_short *rxd_s; 2005 struct rtw89_rxdesc_long *rxd_l; 2006 u8 shift_len, drv_info_len; 2007 2008 rxd_s = (struct rtw89_rxdesc_short *)(data + data_offset); 2009 desc_info->pkt_size = le32_get_bits(rxd_s->dword0, AX_RXD_RPKT_LEN_MASK); 2010 desc_info->drv_info_size = le32_get_bits(rxd_s->dword0, AX_RXD_DRV_INFO_SIZE_MASK); 2011 desc_info->long_rxdesc = le32_get_bits(rxd_s->dword0, AX_RXD_LONG_RXD); 2012 desc_info->pkt_type = le32_get_bits(rxd_s->dword0, AX_RXD_RPKT_TYPE_MASK); 2013 desc_info->mac_info_valid = le32_get_bits(rxd_s->dword0, AX_RXD_MAC_INFO_VLD); 2014 if (chip->chip_id == RTL8852C) 2015 desc_info->bw = le32_get_bits(rxd_s->dword1, AX_RXD_BW_v1_MASK); 2016 else 2017 desc_info->bw = le32_get_bits(rxd_s->dword1, AX_RXD_BW_MASK); 2018 desc_info->data_rate = le32_get_bits(rxd_s->dword1, AX_RXD_RX_DATARATE_MASK); 2019 desc_info->gi_ltf = le32_get_bits(rxd_s->dword1, AX_RXD_RX_GI_LTF_MASK); 2020 desc_info->user_id = le32_get_bits(rxd_s->dword1, AX_RXD_USER_ID_MASK); 2021 desc_info->sr_en = le32_get_bits(rxd_s->dword1, AX_RXD_SR_EN); 2022 desc_info->ppdu_cnt = le32_get_bits(rxd_s->dword1, AX_RXD_PPDU_CNT_MASK); 2023 desc_info->ppdu_type = le32_get_bits(rxd_s->dword1, AX_RXD_PPDU_TYPE_MASK); 2024 desc_info->free_run_cnt = le32_get_bits(rxd_s->dword2, AX_RXD_FREERUN_CNT_MASK); 2025 desc_info->icv_err = le32_get_bits(rxd_s->dword3, AX_RXD_ICV_ERR); 2026 desc_info->crc32_err = le32_get_bits(rxd_s->dword3, AX_RXD_CRC32_ERR); 2027 desc_info->hw_dec = le32_get_bits(rxd_s->dword3, AX_RXD_HW_DEC); 2028 desc_info->sw_dec = le32_get_bits(rxd_s->dword3, AX_RXD_SW_DEC); 2029 desc_info->addr1_match = le32_get_bits(rxd_s->dword3, AX_RXD_A1_MATCH); 2030 2031 shift_len = desc_info->shift << 1; /* 2-byte unit */ 2032 drv_info_len = desc_info->drv_info_size << 3; /* 8-byte unit */ 2033 desc_info->offset = data_offset + shift_len + drv_info_len; 2034 if (desc_info->long_rxdesc) 2035 desc_info->rxd_len = sizeof(struct rtw89_rxdesc_long); 2036 else 2037 desc_info->rxd_len = sizeof(struct rtw89_rxdesc_short); 2038 desc_info->ready = true; 2039 2040 if (!desc_info->long_rxdesc) 2041 return; 2042 2043 rxd_l = (struct rtw89_rxdesc_long *)(data + data_offset); 2044 desc_info->frame_type = le32_get_bits(rxd_l->dword4, AX_RXD_TYPE_MASK); 2045 desc_info->addr_cam_valid = le32_get_bits(rxd_l->dword5, AX_RXD_ADDR_CAM_VLD); 2046 desc_info->addr_cam_id = le32_get_bits(rxd_l->dword5, AX_RXD_ADDR_CAM_MASK); 2047 desc_info->sec_cam_id = le32_get_bits(rxd_l->dword5, AX_RXD_SEC_CAM_IDX_MASK); 2048 desc_info->mac_id = le32_get_bits(rxd_l->dword5, AX_RXD_MAC_ID_MASK); 2049 desc_info->rx_pl_id = le32_get_bits(rxd_l->dword5, AX_RXD_RX_PL_ID_MASK); 2050 } 2051 EXPORT_SYMBOL(rtw89_core_query_rxdesc); 2052 2053 void rtw89_core_query_rxdesc_v2(struct rtw89_dev *rtwdev, 2054 struct rtw89_rx_desc_info *desc_info, 2055 u8 *data, u32 data_offset) 2056 { 2057 struct rtw89_rxdesc_short_v2 *rxd_s; 2058 struct rtw89_rxdesc_long_v2 *rxd_l; 2059 u16 shift_len, drv_info_len, phy_rtp_len, hdr_cnv_len; 2060 2061 rxd_s = (struct rtw89_rxdesc_short_v2 *)(data + data_offset); 2062 2063 desc_info->pkt_size = le32_get_bits(rxd_s->dword0, BE_RXD_RPKT_LEN_MASK); 2064 desc_info->drv_info_size = le32_get_bits(rxd_s->dword0, BE_RXD_DRV_INFO_SZ_MASK); 2065 desc_info->phy_rpt_size = le32_get_bits(rxd_s->dword0, BE_RXD_PHY_RPT_SZ_MASK); 2066 desc_info->hdr_cnv_size = le32_get_bits(rxd_s->dword0, BE_RXD_HDR_CNV_SZ_MASK); 2067 desc_info->shift = le32_get_bits(rxd_s->dword0, BE_RXD_SHIFT_MASK); 2068 desc_info->long_rxdesc = le32_get_bits(rxd_s->dword0, BE_RXD_LONG_RXD); 2069 desc_info->pkt_type = le32_get_bits(rxd_s->dword0, BE_RXD_RPKT_TYPE_MASK); 2070 if (desc_info->pkt_type == RTW89_CORE_RX_TYPE_PPDU_STAT) 2071 desc_info->mac_info_valid = true; 2072 2073 desc_info->frame_type = le32_get_bits(rxd_s->dword2, BE_RXD_TYPE_MASK); 2074 desc_info->mac_id = le32_get_bits(rxd_s->dword2, BE_RXD_MAC_ID_MASK); 2075 desc_info->addr_cam_valid = le32_get_bits(rxd_s->dword2, BE_RXD_ADDR_CAM_VLD); 2076 2077 desc_info->icv_err = le32_get_bits(rxd_s->dword3, BE_RXD_ICV_ERR); 2078 desc_info->crc32_err = le32_get_bits(rxd_s->dword3, BE_RXD_CRC32_ERR); 2079 desc_info->hw_dec = le32_get_bits(rxd_s->dword3, BE_RXD_HW_DEC); 2080 desc_info->sw_dec = le32_get_bits(rxd_s->dword3, BE_RXD_SW_DEC); 2081 desc_info->addr1_match = le32_get_bits(rxd_s->dword3, BE_RXD_A1_MATCH); 2082 2083 desc_info->bw = le32_get_bits(rxd_s->dword4, BE_RXD_BW_MASK); 2084 desc_info->data_rate = le32_get_bits(rxd_s->dword4, BE_RXD_RX_DATARATE_MASK); 2085 desc_info->gi_ltf = le32_get_bits(rxd_s->dword4, BE_RXD_RX_GI_LTF_MASK); 2086 desc_info->ppdu_cnt = le32_get_bits(rxd_s->dword4, BE_RXD_PPDU_CNT_MASK); 2087 desc_info->ppdu_type = le32_get_bits(rxd_s->dword4, BE_RXD_PPDU_TYPE_MASK); 2088 2089 desc_info->free_run_cnt = le32_to_cpu(rxd_s->dword5); 2090 2091 shift_len = desc_info->shift << 1; /* 2-byte unit */ 2092 drv_info_len = desc_info->drv_info_size << 3; /* 8-byte unit */ 2093 phy_rtp_len = desc_info->phy_rpt_size << 3; /* 8-byte unit */ 2094 hdr_cnv_len = desc_info->hdr_cnv_size << 4; /* 16-byte unit */ 2095 desc_info->offset = data_offset + shift_len + drv_info_len + 2096 phy_rtp_len + hdr_cnv_len; 2097 2098 if (desc_info->long_rxdesc) 2099 desc_info->rxd_len = sizeof(struct rtw89_rxdesc_long_v2); 2100 else 2101 desc_info->rxd_len = sizeof(struct rtw89_rxdesc_short_v2); 2102 desc_info->ready = true; 2103 2104 if (!desc_info->long_rxdesc) 2105 return; 2106 2107 rxd_l = (struct rtw89_rxdesc_long_v2 *)(data + data_offset); 2108 2109 desc_info->sr_en = le32_get_bits(rxd_l->dword6, BE_RXD_SR_EN); 2110 desc_info->user_id = le32_get_bits(rxd_l->dword6, BE_RXD_USER_ID_MASK); 2111 desc_info->addr_cam_id = le32_get_bits(rxd_l->dword6, BE_RXD_ADDR_CAM_MASK); 2112 desc_info->sec_cam_id = le32_get_bits(rxd_l->dword6, BE_RXD_SEC_CAM_IDX_MASK); 2113 2114 desc_info->rx_pl_id = le32_get_bits(rxd_l->dword7, BE_RXD_RX_PL_ID_MASK); 2115 } 2116 EXPORT_SYMBOL(rtw89_core_query_rxdesc_v2); 2117 2118 struct rtw89_core_iter_rx_status { 2119 struct rtw89_dev *rtwdev; 2120 struct ieee80211_rx_status *rx_status; 2121 struct rtw89_rx_desc_info *desc_info; 2122 u8 mac_id; 2123 }; 2124 2125 static 2126 void rtw89_core_stats_sta_rx_status_iter(void *data, struct ieee80211_sta *sta) 2127 { 2128 struct rtw89_core_iter_rx_status *iter_data = 2129 (struct rtw89_core_iter_rx_status *)data; 2130 struct ieee80211_rx_status *rx_status = iter_data->rx_status; 2131 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 2132 struct rtw89_rx_desc_info *desc_info = iter_data->desc_info; 2133 u8 mac_id = iter_data->mac_id; 2134 2135 if (mac_id != rtwsta->mac_id) 2136 return; 2137 2138 rtwsta->rx_status = *rx_status; 2139 rtwsta->rx_hw_rate = desc_info->data_rate; 2140 } 2141 2142 static void rtw89_core_stats_sta_rx_status(struct rtw89_dev *rtwdev, 2143 struct rtw89_rx_desc_info *desc_info, 2144 struct ieee80211_rx_status *rx_status) 2145 { 2146 struct rtw89_core_iter_rx_status iter_data; 2147 2148 if (!desc_info->addr1_match || !desc_info->long_rxdesc) 2149 return; 2150 2151 if (desc_info->frame_type != RTW89_RX_TYPE_DATA) 2152 return; 2153 2154 iter_data.rtwdev = rtwdev; 2155 iter_data.rx_status = rx_status; 2156 iter_data.desc_info = desc_info; 2157 iter_data.mac_id = desc_info->mac_id; 2158 ieee80211_iterate_stations_atomic(rtwdev->hw, 2159 rtw89_core_stats_sta_rx_status_iter, 2160 &iter_data); 2161 } 2162 2163 static void rtw89_core_update_rx_status(struct rtw89_dev *rtwdev, 2164 struct rtw89_rx_desc_info *desc_info, 2165 struct ieee80211_rx_status *rx_status) 2166 { 2167 const struct cfg80211_chan_def *chandef = 2168 rtw89_chandef_get(rtwdev, RTW89_SUB_ENTITY_0); 2169 u16 data_rate; 2170 u8 data_rate_mode; 2171 2172 /* currently using single PHY */ 2173 rx_status->freq = chandef->chan->center_freq; 2174 rx_status->band = chandef->chan->band; 2175 2176 if (rtwdev->scanning && 2177 RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &rtwdev->fw)) { 2178 const struct rtw89_chan *cur = rtw89_scan_chan_get(rtwdev); 2179 u8 chan = cur->primary_channel; 2180 u8 band = cur->band_type; 2181 enum nl80211_band nl_band; 2182 2183 nl_band = rtw89_hw_to_nl80211_band(band); 2184 rx_status->freq = ieee80211_channel_to_frequency(chan, nl_band); 2185 rx_status->band = nl_band; 2186 } 2187 2188 if (desc_info->icv_err || desc_info->crc32_err) 2189 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 2190 2191 if (desc_info->hw_dec && 2192 !(desc_info->sw_dec || desc_info->icv_err)) 2193 rx_status->flag |= RX_FLAG_DECRYPTED; 2194 2195 rx_status->bw = rtw89_hw_to_rate_info_bw(desc_info->bw); 2196 2197 data_rate = desc_info->data_rate; 2198 data_rate_mode = rtw89_get_data_rate_mode(rtwdev, data_rate); 2199 if (data_rate_mode == DATA_RATE_MODE_NON_HT) { 2200 rx_status->encoding = RX_ENC_LEGACY; 2201 rx_status->rate_idx = rtw89_get_data_not_ht_idx(rtwdev, data_rate); 2202 /* convert rate_idx after we get the correct band */ 2203 } else if (data_rate_mode == DATA_RATE_MODE_HT) { 2204 rx_status->encoding = RX_ENC_HT; 2205 rx_status->rate_idx = rtw89_get_data_ht_mcs(rtwdev, data_rate); 2206 if (desc_info->gi_ltf) 2207 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 2208 } else if (data_rate_mode == DATA_RATE_MODE_VHT) { 2209 rx_status->encoding = RX_ENC_VHT; 2210 rx_status->rate_idx = rtw89_get_data_mcs(rtwdev, data_rate); 2211 rx_status->nss = rtw89_get_data_nss(rtwdev, data_rate) + 1; 2212 if (desc_info->gi_ltf) 2213 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 2214 } else if (data_rate_mode == DATA_RATE_MODE_HE) { 2215 rx_status->encoding = RX_ENC_HE; 2216 rx_status->rate_idx = rtw89_get_data_mcs(rtwdev, data_rate); 2217 rx_status->nss = rtw89_get_data_nss(rtwdev, data_rate) + 1; 2218 } else { 2219 rtw89_warn(rtwdev, "invalid RX rate mode %d\n", data_rate_mode); 2220 } 2221 2222 /* he_gi is used to match ppdu, so we always fill it. */ 2223 rx_status->he_gi = rtw89_rxdesc_to_nl_he_gi(rtwdev, desc_info, true); 2224 rx_status->flag |= RX_FLAG_MACTIME_START; 2225 rx_status->mactime = desc_info->free_run_cnt; 2226 2227 rtw89_core_stats_sta_rx_status(rtwdev, desc_info, rx_status); 2228 } 2229 2230 static enum rtw89_ps_mode rtw89_update_ps_mode(struct rtw89_dev *rtwdev) 2231 { 2232 const struct rtw89_chip_info *chip = rtwdev->chip; 2233 2234 if (rtw89_disable_ps_mode || !chip->ps_mode_supported || 2235 RTW89_CHK_FW_FEATURE(NO_DEEP_PS, &rtwdev->fw)) 2236 return RTW89_PS_MODE_NONE; 2237 2238 if ((chip->ps_mode_supported & BIT(RTW89_PS_MODE_PWR_GATED)) && 2239 !RTW89_CHK_FW_FEATURE(NO_LPS_PG, &rtwdev->fw)) 2240 return RTW89_PS_MODE_PWR_GATED; 2241 2242 if (chip->ps_mode_supported & BIT(RTW89_PS_MODE_CLK_GATED)) 2243 return RTW89_PS_MODE_CLK_GATED; 2244 2245 if (chip->ps_mode_supported & BIT(RTW89_PS_MODE_RFOFF)) 2246 return RTW89_PS_MODE_RFOFF; 2247 2248 return RTW89_PS_MODE_NONE; 2249 } 2250 2251 static void rtw89_core_flush_ppdu_rx_queue(struct rtw89_dev *rtwdev, 2252 struct rtw89_rx_desc_info *desc_info) 2253 { 2254 struct rtw89_ppdu_sts_info *ppdu_sts = &rtwdev->ppdu_sts; 2255 u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0; 2256 struct ieee80211_rx_status *rx_status; 2257 struct sk_buff *skb_ppdu, *tmp; 2258 2259 skb_queue_walk_safe(&ppdu_sts->rx_queue[band], skb_ppdu, tmp) { 2260 skb_unlink(skb_ppdu, &ppdu_sts->rx_queue[band]); 2261 rx_status = IEEE80211_SKB_RXCB(skb_ppdu); 2262 rtw89_core_rx_to_mac80211(rtwdev, NULL, desc_info, skb_ppdu, rx_status); 2263 } 2264 } 2265 2266 void rtw89_core_rx(struct rtw89_dev *rtwdev, 2267 struct rtw89_rx_desc_info *desc_info, 2268 struct sk_buff *skb) 2269 { 2270 struct ieee80211_rx_status *rx_status; 2271 struct rtw89_ppdu_sts_info *ppdu_sts = &rtwdev->ppdu_sts; 2272 u8 ppdu_cnt = desc_info->ppdu_cnt; 2273 u8 band = desc_info->bb_sel ? RTW89_PHY_1 : RTW89_PHY_0; 2274 2275 if (desc_info->pkt_type != RTW89_CORE_RX_TYPE_WIFI) { 2276 rtw89_core_rx_process_report(rtwdev, desc_info, skb); 2277 return; 2278 } 2279 2280 if (ppdu_sts->curr_rx_ppdu_cnt[band] != ppdu_cnt) { 2281 rtw89_core_flush_ppdu_rx_queue(rtwdev, desc_info); 2282 ppdu_sts->curr_rx_ppdu_cnt[band] = ppdu_cnt; 2283 } 2284 2285 rx_status = IEEE80211_SKB_RXCB(skb); 2286 memset(rx_status, 0, sizeof(*rx_status)); 2287 rtw89_core_update_rx_status(rtwdev, desc_info, rx_status); 2288 if (desc_info->long_rxdesc && 2289 BIT(desc_info->frame_type) & PPDU_FILTER_BITMAP) 2290 skb_queue_tail(&ppdu_sts->rx_queue[band], skb); 2291 else 2292 rtw89_core_rx_to_mac80211(rtwdev, NULL, desc_info, skb, rx_status); 2293 } 2294 EXPORT_SYMBOL(rtw89_core_rx); 2295 2296 void rtw89_core_napi_start(struct rtw89_dev *rtwdev) 2297 { 2298 if (test_and_set_bit(RTW89_FLAG_NAPI_RUNNING, rtwdev->flags)) 2299 return; 2300 2301 napi_enable(&rtwdev->napi); 2302 } 2303 EXPORT_SYMBOL(rtw89_core_napi_start); 2304 2305 void rtw89_core_napi_stop(struct rtw89_dev *rtwdev) 2306 { 2307 if (!test_and_clear_bit(RTW89_FLAG_NAPI_RUNNING, rtwdev->flags)) 2308 return; 2309 2310 napi_synchronize(&rtwdev->napi); 2311 napi_disable(&rtwdev->napi); 2312 } 2313 EXPORT_SYMBOL(rtw89_core_napi_stop); 2314 2315 void rtw89_core_napi_init(struct rtw89_dev *rtwdev) 2316 { 2317 init_dummy_netdev(&rtwdev->netdev); 2318 netif_napi_add(&rtwdev->netdev, &rtwdev->napi, 2319 rtwdev->hci.ops->napi_poll); 2320 } 2321 EXPORT_SYMBOL(rtw89_core_napi_init); 2322 2323 void rtw89_core_napi_deinit(struct rtw89_dev *rtwdev) 2324 { 2325 rtw89_core_napi_stop(rtwdev); 2326 netif_napi_del(&rtwdev->napi); 2327 } 2328 EXPORT_SYMBOL(rtw89_core_napi_deinit); 2329 2330 static void rtw89_core_ba_work(struct work_struct *work) 2331 { 2332 struct rtw89_dev *rtwdev = 2333 container_of(work, struct rtw89_dev, ba_work); 2334 struct rtw89_txq *rtwtxq, *tmp; 2335 int ret; 2336 2337 spin_lock_bh(&rtwdev->ba_lock); 2338 list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->ba_list, list) { 2339 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); 2340 struct ieee80211_sta *sta = txq->sta; 2341 struct rtw89_sta *rtwsta = sta ? (struct rtw89_sta *)sta->drv_priv : NULL; 2342 u8 tid = txq->tid; 2343 2344 if (!sta) { 2345 rtw89_warn(rtwdev, "cannot start BA without sta\n"); 2346 goto skip_ba_work; 2347 } 2348 2349 if (rtwsta->disassoc) { 2350 rtw89_debug(rtwdev, RTW89_DBG_TXRX, 2351 "cannot start BA with disassoc sta\n"); 2352 goto skip_ba_work; 2353 } 2354 2355 ret = ieee80211_start_tx_ba_session(sta, tid, 0); 2356 if (ret) { 2357 rtw89_debug(rtwdev, RTW89_DBG_TXRX, 2358 "failed to setup BA session for %pM:%2d: %d\n", 2359 sta->addr, tid, ret); 2360 if (ret == -EINVAL) 2361 set_bit(RTW89_TXQ_F_BLOCK_BA, &rtwtxq->flags); 2362 } 2363 skip_ba_work: 2364 list_del_init(&rtwtxq->list); 2365 } 2366 spin_unlock_bh(&rtwdev->ba_lock); 2367 } 2368 2369 static void rtw89_core_free_sta_pending_ba(struct rtw89_dev *rtwdev, 2370 struct ieee80211_sta *sta) 2371 { 2372 struct rtw89_txq *rtwtxq, *tmp; 2373 2374 spin_lock_bh(&rtwdev->ba_lock); 2375 list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->ba_list, list) { 2376 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); 2377 2378 if (sta == txq->sta) 2379 list_del_init(&rtwtxq->list); 2380 } 2381 spin_unlock_bh(&rtwdev->ba_lock); 2382 } 2383 2384 static void rtw89_core_free_sta_pending_forbid_ba(struct rtw89_dev *rtwdev, 2385 struct ieee80211_sta *sta) 2386 { 2387 struct rtw89_txq *rtwtxq, *tmp; 2388 2389 spin_lock_bh(&rtwdev->ba_lock); 2390 list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->forbid_ba_list, list) { 2391 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); 2392 2393 if (sta == txq->sta) { 2394 clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags); 2395 list_del_init(&rtwtxq->list); 2396 } 2397 } 2398 spin_unlock_bh(&rtwdev->ba_lock); 2399 } 2400 2401 static void rtw89_core_free_sta_pending_roc_tx(struct rtw89_dev *rtwdev, 2402 struct ieee80211_sta *sta) 2403 { 2404 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 2405 struct sk_buff *skb, *tmp; 2406 2407 skb_queue_walk_safe(&rtwsta->roc_queue, skb, tmp) { 2408 skb_unlink(skb, &rtwsta->roc_queue); 2409 dev_kfree_skb_any(skb); 2410 } 2411 } 2412 2413 static void rtw89_core_stop_tx_ba_session(struct rtw89_dev *rtwdev, 2414 struct rtw89_txq *rtwtxq) 2415 { 2416 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); 2417 struct ieee80211_sta *sta = txq->sta; 2418 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); 2419 2420 if (unlikely(!rtwsta) || unlikely(rtwsta->disassoc)) 2421 return; 2422 2423 if (!test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags) || 2424 test_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags)) 2425 return; 2426 2427 spin_lock_bh(&rtwdev->ba_lock); 2428 if (!test_and_set_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags)) 2429 list_add_tail(&rtwtxq->list, &rtwdev->forbid_ba_list); 2430 spin_unlock_bh(&rtwdev->ba_lock); 2431 2432 ieee80211_stop_tx_ba_session(sta, txq->tid); 2433 cancel_delayed_work(&rtwdev->forbid_ba_work); 2434 ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->forbid_ba_work, 2435 RTW89_FORBID_BA_TIMER); 2436 } 2437 2438 static void rtw89_core_txq_check_agg(struct rtw89_dev *rtwdev, 2439 struct rtw89_txq *rtwtxq, 2440 struct sk_buff *skb) 2441 { 2442 struct ieee80211_hw *hw = rtwdev->hw; 2443 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); 2444 struct ieee80211_sta *sta = txq->sta; 2445 struct rtw89_sta *rtwsta = sta ? (struct rtw89_sta *)sta->drv_priv : NULL; 2446 2447 if (test_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags)) 2448 return; 2449 2450 if (unlikely(skb->protocol == cpu_to_be16(ETH_P_PAE))) { 2451 rtw89_core_stop_tx_ba_session(rtwdev, rtwtxq); 2452 return; 2453 } 2454 2455 if (unlikely(!sta)) 2456 return; 2457 2458 if (unlikely(test_bit(RTW89_TXQ_F_BLOCK_BA, &rtwtxq->flags))) 2459 return; 2460 2461 if (test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags)) { 2462 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_AMPDU; 2463 return; 2464 } 2465 2466 spin_lock_bh(&rtwdev->ba_lock); 2467 if (!rtwsta->disassoc && list_empty(&rtwtxq->list)) { 2468 list_add_tail(&rtwtxq->list, &rtwdev->ba_list); 2469 ieee80211_queue_work(hw, &rtwdev->ba_work); 2470 } 2471 spin_unlock_bh(&rtwdev->ba_lock); 2472 } 2473 2474 static void rtw89_core_txq_push(struct rtw89_dev *rtwdev, 2475 struct rtw89_txq *rtwtxq, 2476 unsigned long frame_cnt, 2477 unsigned long byte_cnt) 2478 { 2479 struct ieee80211_txq *txq = rtw89_txq_to_txq(rtwtxq); 2480 struct ieee80211_vif *vif = txq->vif; 2481 struct ieee80211_sta *sta = txq->sta; 2482 struct sk_buff *skb; 2483 unsigned long i; 2484 int ret; 2485 2486 rcu_read_lock(); 2487 for (i = 0; i < frame_cnt; i++) { 2488 skb = ieee80211_tx_dequeue_ni(rtwdev->hw, txq); 2489 if (!skb) { 2490 rtw89_debug(rtwdev, RTW89_DBG_TXRX, "dequeue a NULL skb\n"); 2491 goto out; 2492 } 2493 rtw89_core_txq_check_agg(rtwdev, rtwtxq, skb); 2494 ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, NULL); 2495 if (ret) { 2496 rtw89_err(rtwdev, "failed to push txq: %d\n", ret); 2497 ieee80211_free_txskb(rtwdev->hw, skb); 2498 break; 2499 } 2500 } 2501 out: 2502 rcu_read_unlock(); 2503 } 2504 2505 static u32 rtw89_check_and_reclaim_tx_resource(struct rtw89_dev *rtwdev, u8 tid) 2506 { 2507 u8 qsel, ch_dma; 2508 2509 qsel = rtw89_core_get_qsel(rtwdev, tid); 2510 ch_dma = rtw89_core_get_ch_dma(rtwdev, qsel); 2511 2512 return rtw89_hci_check_and_reclaim_tx_resource(rtwdev, ch_dma); 2513 } 2514 2515 static bool rtw89_core_txq_agg_wait(struct rtw89_dev *rtwdev, 2516 struct ieee80211_txq *txq, 2517 unsigned long *frame_cnt, 2518 bool *sched_txq, bool *reinvoke) 2519 { 2520 struct rtw89_txq *rtwtxq = (struct rtw89_txq *)txq->drv_priv; 2521 struct ieee80211_sta *sta = txq->sta; 2522 struct rtw89_sta *rtwsta = sta ? (struct rtw89_sta *)sta->drv_priv : NULL; 2523 2524 if (!sta || rtwsta->max_agg_wait <= 0) 2525 return false; 2526 2527 if (rtwdev->stats.tx_tfc_lv <= RTW89_TFC_MID) 2528 return false; 2529 2530 if (*frame_cnt > 1) { 2531 *frame_cnt -= 1; 2532 *sched_txq = true; 2533 *reinvoke = true; 2534 rtwtxq->wait_cnt = 1; 2535 return false; 2536 } 2537 2538 if (*frame_cnt == 1 && rtwtxq->wait_cnt < rtwsta->max_agg_wait) { 2539 *reinvoke = true; 2540 rtwtxq->wait_cnt++; 2541 return true; 2542 } 2543 2544 rtwtxq->wait_cnt = 0; 2545 return false; 2546 } 2547 2548 static void rtw89_core_txq_schedule(struct rtw89_dev *rtwdev, u8 ac, bool *reinvoke) 2549 { 2550 struct ieee80211_hw *hw = rtwdev->hw; 2551 struct ieee80211_txq *txq; 2552 struct rtw89_vif *rtwvif; 2553 struct rtw89_txq *rtwtxq; 2554 unsigned long frame_cnt; 2555 unsigned long byte_cnt; 2556 u32 tx_resource; 2557 bool sched_txq; 2558 2559 ieee80211_txq_schedule_start(hw, ac); 2560 while ((txq = ieee80211_next_txq(hw, ac))) { 2561 rtwtxq = (struct rtw89_txq *)txq->drv_priv; 2562 rtwvif = (struct rtw89_vif *)txq->vif->drv_priv; 2563 2564 if (rtwvif->offchan) { 2565 ieee80211_return_txq(hw, txq, true); 2566 continue; 2567 } 2568 tx_resource = rtw89_check_and_reclaim_tx_resource(rtwdev, txq->tid); 2569 sched_txq = false; 2570 2571 ieee80211_txq_get_depth(txq, &frame_cnt, &byte_cnt); 2572 if (rtw89_core_txq_agg_wait(rtwdev, txq, &frame_cnt, &sched_txq, reinvoke)) { 2573 ieee80211_return_txq(hw, txq, true); 2574 continue; 2575 } 2576 frame_cnt = min_t(unsigned long, frame_cnt, tx_resource); 2577 rtw89_core_txq_push(rtwdev, rtwtxq, frame_cnt, byte_cnt); 2578 ieee80211_return_txq(hw, txq, sched_txq); 2579 if (frame_cnt != 0) 2580 rtw89_core_tx_kick_off(rtwdev, rtw89_core_get_qsel(rtwdev, txq->tid)); 2581 2582 /* bound of tx_resource could get stuck due to burst traffic */ 2583 if (frame_cnt == tx_resource) 2584 *reinvoke = true; 2585 } 2586 ieee80211_txq_schedule_end(hw, ac); 2587 } 2588 2589 static void rtw89_ips_work(struct work_struct *work) 2590 { 2591 struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, 2592 ips_work); 2593 mutex_lock(&rtwdev->mutex); 2594 rtw89_enter_ips_by_hwflags(rtwdev); 2595 mutex_unlock(&rtwdev->mutex); 2596 } 2597 2598 static void rtw89_core_txq_work(struct work_struct *w) 2599 { 2600 struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev, txq_work); 2601 bool reinvoke = false; 2602 u8 ac; 2603 2604 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 2605 rtw89_core_txq_schedule(rtwdev, ac, &reinvoke); 2606 2607 if (reinvoke) { 2608 /* reinvoke to process the last frame */ 2609 mod_delayed_work(rtwdev->txq_wq, &rtwdev->txq_reinvoke_work, 1); 2610 } 2611 } 2612 2613 static void rtw89_core_txq_reinvoke_work(struct work_struct *w) 2614 { 2615 struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev, 2616 txq_reinvoke_work.work); 2617 2618 queue_work(rtwdev->txq_wq, &rtwdev->txq_work); 2619 } 2620 2621 static void rtw89_forbid_ba_work(struct work_struct *w) 2622 { 2623 struct rtw89_dev *rtwdev = container_of(w, struct rtw89_dev, 2624 forbid_ba_work.work); 2625 struct rtw89_txq *rtwtxq, *tmp; 2626 2627 spin_lock_bh(&rtwdev->ba_lock); 2628 list_for_each_entry_safe(rtwtxq, tmp, &rtwdev->forbid_ba_list, list) { 2629 clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags); 2630 list_del_init(&rtwtxq->list); 2631 } 2632 spin_unlock_bh(&rtwdev->ba_lock); 2633 } 2634 2635 static void rtw89_core_sta_pending_tx_iter(void *data, 2636 struct ieee80211_sta *sta) 2637 { 2638 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 2639 struct rtw89_vif *rtwvif_target = data, *rtwvif = rtwsta->rtwvif; 2640 struct rtw89_dev *rtwdev = rtwvif->rtwdev; 2641 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 2642 struct sk_buff *skb, *tmp; 2643 int qsel, ret; 2644 2645 if (rtwvif->sub_entity_idx != rtwvif_target->sub_entity_idx) 2646 return; 2647 2648 if (skb_queue_len(&rtwsta->roc_queue) == 0) 2649 return; 2650 2651 skb_queue_walk_safe(&rtwsta->roc_queue, skb, tmp) { 2652 skb_unlink(skb, &rtwsta->roc_queue); 2653 2654 ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, &qsel); 2655 if (ret) { 2656 rtw89_warn(rtwdev, "pending tx failed with %d\n", ret); 2657 dev_kfree_skb_any(skb); 2658 } else { 2659 rtw89_core_tx_kick_off(rtwdev, qsel); 2660 } 2661 } 2662 } 2663 2664 static void rtw89_core_handle_sta_pending_tx(struct rtw89_dev *rtwdev, 2665 struct rtw89_vif *rtwvif) 2666 { 2667 ieee80211_iterate_stations_atomic(rtwdev->hw, 2668 rtw89_core_sta_pending_tx_iter, 2669 rtwvif); 2670 } 2671 2672 static int rtw89_core_send_nullfunc(struct rtw89_dev *rtwdev, 2673 struct rtw89_vif *rtwvif, bool qos, bool ps) 2674 { 2675 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 2676 struct ieee80211_sta *sta; 2677 struct ieee80211_hdr *hdr; 2678 struct sk_buff *skb; 2679 int ret, qsel; 2680 2681 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc) 2682 return 0; 2683 2684 rcu_read_lock(); 2685 sta = ieee80211_find_sta(vif, vif->bss_conf.bssid); 2686 if (!sta) { 2687 ret = -EINVAL; 2688 goto out; 2689 } 2690 2691 skb = ieee80211_nullfunc_get(rtwdev->hw, vif, -1, qos); 2692 if (!skb) { 2693 ret = -ENOMEM; 2694 goto out; 2695 } 2696 2697 hdr = (struct ieee80211_hdr *)skb->data; 2698 if (ps) 2699 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); 2700 2701 ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, &qsel); 2702 if (ret) { 2703 rtw89_warn(rtwdev, "nullfunc transmit failed: %d\n", ret); 2704 dev_kfree_skb_any(skb); 2705 goto out; 2706 } 2707 2708 rcu_read_unlock(); 2709 2710 return rtw89_core_tx_kick_off_and_wait(rtwdev, skb, qsel, 2711 RTW89_ROC_TX_TIMEOUT); 2712 out: 2713 rcu_read_unlock(); 2714 2715 return ret; 2716 } 2717 2718 void rtw89_roc_start(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) 2719 { 2720 const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; 2721 struct ieee80211_hw *hw = rtwdev->hw; 2722 struct rtw89_roc *roc = &rtwvif->roc; 2723 struct cfg80211_chan_def roc_chan; 2724 struct rtw89_vif *tmp; 2725 int ret; 2726 2727 lockdep_assert_held(&rtwdev->mutex); 2728 2729 ieee80211_queue_delayed_work(hw, &rtwvif->roc.roc_work, 2730 msecs_to_jiffies(rtwvif->roc.duration)); 2731 2732 rtw89_leave_ips_by_hwflags(rtwdev); 2733 rtw89_leave_lps(rtwdev); 2734 rtw89_chanctx_pause(rtwdev, RTW89_CHANCTX_PAUSE_REASON_ROC); 2735 2736 ret = rtw89_core_send_nullfunc(rtwdev, rtwvif, true, true); 2737 if (ret) 2738 rtw89_debug(rtwdev, RTW89_DBG_TXRX, 2739 "roc send null-1 failed: %d\n", ret); 2740 2741 rtw89_for_each_rtwvif(rtwdev, tmp) 2742 if (tmp->sub_entity_idx == rtwvif->sub_entity_idx) 2743 tmp->offchan = true; 2744 2745 cfg80211_chandef_create(&roc_chan, &roc->chan, NL80211_CHAN_NO_HT); 2746 rtw89_config_roc_chandef(rtwdev, rtwvif->sub_entity_idx, &roc_chan); 2747 rtw89_set_channel(rtwdev); 2748 rtw89_write32_clr(rtwdev, 2749 rtw89_mac_reg_by_idx(rtwdev, mac->rx_fltr, RTW89_MAC_0), 2750 B_AX_A_UC_CAM_MATCH | B_AX_A_BC_CAM_MATCH); 2751 2752 ieee80211_ready_on_channel(hw); 2753 } 2754 2755 void rtw89_roc_end(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) 2756 { 2757 const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; 2758 struct ieee80211_hw *hw = rtwdev->hw; 2759 struct rtw89_roc *roc = &rtwvif->roc; 2760 struct rtw89_vif *tmp; 2761 int ret; 2762 2763 lockdep_assert_held(&rtwdev->mutex); 2764 2765 ieee80211_remain_on_channel_expired(hw); 2766 2767 rtw89_leave_ips_by_hwflags(rtwdev); 2768 rtw89_leave_lps(rtwdev); 2769 2770 rtw89_write32_mask(rtwdev, 2771 rtw89_mac_reg_by_idx(rtwdev, mac->rx_fltr, RTW89_MAC_0), 2772 B_AX_RX_FLTR_CFG_MASK, 2773 rtwdev->hal.rx_fltr); 2774 2775 roc->state = RTW89_ROC_IDLE; 2776 rtw89_config_roc_chandef(rtwdev, rtwvif->sub_entity_idx, NULL); 2777 rtw89_chanctx_proceed(rtwdev); 2778 ret = rtw89_core_send_nullfunc(rtwdev, rtwvif, true, false); 2779 if (ret) 2780 rtw89_debug(rtwdev, RTW89_DBG_TXRX, 2781 "roc send null-0 failed: %d\n", ret); 2782 2783 rtw89_for_each_rtwvif(rtwdev, tmp) 2784 if (tmp->sub_entity_idx == rtwvif->sub_entity_idx) 2785 tmp->offchan = false; 2786 2787 rtw89_core_handle_sta_pending_tx(rtwdev, rtwvif); 2788 queue_work(rtwdev->txq_wq, &rtwdev->txq_work); 2789 2790 if (hw->conf.flags & IEEE80211_CONF_IDLE) 2791 ieee80211_queue_delayed_work(hw, &roc->roc_work, 2792 RTW89_ROC_IDLE_TIMEOUT); 2793 } 2794 2795 void rtw89_roc_work(struct work_struct *work) 2796 { 2797 struct rtw89_vif *rtwvif = container_of(work, struct rtw89_vif, 2798 roc.roc_work.work); 2799 struct rtw89_dev *rtwdev = rtwvif->rtwdev; 2800 struct rtw89_roc *roc = &rtwvif->roc; 2801 2802 mutex_lock(&rtwdev->mutex); 2803 2804 switch (roc->state) { 2805 case RTW89_ROC_IDLE: 2806 rtw89_enter_ips_by_hwflags(rtwdev); 2807 break; 2808 case RTW89_ROC_MGMT: 2809 case RTW89_ROC_NORMAL: 2810 rtw89_roc_end(rtwdev, rtwvif); 2811 break; 2812 default: 2813 break; 2814 } 2815 2816 mutex_unlock(&rtwdev->mutex); 2817 } 2818 2819 static enum rtw89_tfc_lv rtw89_get_traffic_level(struct rtw89_dev *rtwdev, 2820 u32 throughput, u64 cnt) 2821 { 2822 if (cnt < 100) 2823 return RTW89_TFC_IDLE; 2824 if (throughput > 50) 2825 return RTW89_TFC_HIGH; 2826 if (throughput > 10) 2827 return RTW89_TFC_MID; 2828 if (throughput > 2) 2829 return RTW89_TFC_LOW; 2830 return RTW89_TFC_ULTRA_LOW; 2831 } 2832 2833 static bool rtw89_traffic_stats_calc(struct rtw89_dev *rtwdev, 2834 struct rtw89_traffic_stats *stats) 2835 { 2836 enum rtw89_tfc_lv tx_tfc_lv = stats->tx_tfc_lv; 2837 enum rtw89_tfc_lv rx_tfc_lv = stats->rx_tfc_lv; 2838 2839 stats->tx_throughput_raw = (u32)(stats->tx_unicast >> RTW89_TP_SHIFT); 2840 stats->rx_throughput_raw = (u32)(stats->rx_unicast >> RTW89_TP_SHIFT); 2841 2842 ewma_tp_add(&stats->tx_ewma_tp, stats->tx_throughput_raw); 2843 ewma_tp_add(&stats->rx_ewma_tp, stats->rx_throughput_raw); 2844 2845 stats->tx_throughput = ewma_tp_read(&stats->tx_ewma_tp); 2846 stats->rx_throughput = ewma_tp_read(&stats->rx_ewma_tp); 2847 stats->tx_tfc_lv = rtw89_get_traffic_level(rtwdev, stats->tx_throughput, 2848 stats->tx_cnt); 2849 stats->rx_tfc_lv = rtw89_get_traffic_level(rtwdev, stats->rx_throughput, 2850 stats->rx_cnt); 2851 stats->tx_avg_len = stats->tx_cnt ? 2852 DIV_ROUND_DOWN_ULL(stats->tx_unicast, stats->tx_cnt) : 0; 2853 stats->rx_avg_len = stats->rx_cnt ? 2854 DIV_ROUND_DOWN_ULL(stats->rx_unicast, stats->rx_cnt) : 0; 2855 2856 stats->tx_unicast = 0; 2857 stats->rx_unicast = 0; 2858 stats->tx_cnt = 0; 2859 stats->rx_cnt = 0; 2860 stats->rx_tf_periodic = stats->rx_tf_acc; 2861 stats->rx_tf_acc = 0; 2862 2863 if (tx_tfc_lv != stats->tx_tfc_lv || rx_tfc_lv != stats->rx_tfc_lv) 2864 return true; 2865 2866 return false; 2867 } 2868 2869 static bool rtw89_traffic_stats_track(struct rtw89_dev *rtwdev) 2870 { 2871 struct rtw89_vif *rtwvif; 2872 bool tfc_changed; 2873 2874 tfc_changed = rtw89_traffic_stats_calc(rtwdev, &rtwdev->stats); 2875 rtw89_for_each_rtwvif(rtwdev, rtwvif) { 2876 rtw89_traffic_stats_calc(rtwdev, &rtwvif->stats); 2877 rtw89_fw_h2c_tp_offload(rtwdev, rtwvif); 2878 } 2879 2880 return tfc_changed; 2881 } 2882 2883 static void rtw89_vif_enter_lps(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) 2884 { 2885 if ((rtwvif->wifi_role != RTW89_WIFI_ROLE_STATION && 2886 rtwvif->wifi_role != RTW89_WIFI_ROLE_P2P_CLIENT) || 2887 rtwvif->tdls_peer) 2888 return; 2889 2890 if (rtwvif->offchan) 2891 return; 2892 2893 if (rtwvif->stats.tx_tfc_lv == RTW89_TFC_IDLE && 2894 rtwvif->stats.rx_tfc_lv == RTW89_TFC_IDLE) 2895 rtw89_enter_lps(rtwdev, rtwvif, true); 2896 } 2897 2898 static void rtw89_enter_lps_track(struct rtw89_dev *rtwdev) 2899 { 2900 struct rtw89_vif *rtwvif; 2901 2902 rtw89_for_each_rtwvif(rtwdev, rtwvif) 2903 rtw89_vif_enter_lps(rtwdev, rtwvif); 2904 } 2905 2906 static void rtw89_core_rfk_track(struct rtw89_dev *rtwdev) 2907 { 2908 enum rtw89_entity_mode mode; 2909 2910 mode = rtw89_get_entity_mode(rtwdev); 2911 if (mode == RTW89_ENTITY_MODE_MCC) 2912 return; 2913 2914 rtw89_chip_rfk_track(rtwdev); 2915 } 2916 2917 void rtw89_core_update_p2p_ps(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif) 2918 { 2919 enum rtw89_entity_mode mode = rtw89_get_entity_mode(rtwdev); 2920 2921 if (mode == RTW89_ENTITY_MODE_MCC) 2922 rtw89_queue_chanctx_change(rtwdev, RTW89_CHANCTX_P2P_PS_CHANGE); 2923 else 2924 rtw89_process_p2p_ps(rtwdev, vif); 2925 } 2926 2927 void rtw89_traffic_stats_init(struct rtw89_dev *rtwdev, 2928 struct rtw89_traffic_stats *stats) 2929 { 2930 stats->tx_unicast = 0; 2931 stats->rx_unicast = 0; 2932 stats->tx_cnt = 0; 2933 stats->rx_cnt = 0; 2934 ewma_tp_init(&stats->tx_ewma_tp); 2935 ewma_tp_init(&stats->rx_ewma_tp); 2936 } 2937 2938 static void rtw89_track_work(struct work_struct *work) 2939 { 2940 struct rtw89_dev *rtwdev = container_of(work, struct rtw89_dev, 2941 track_work.work); 2942 bool tfc_changed; 2943 2944 if (test_bit(RTW89_FLAG_FORBIDDEN_TRACK_WROK, rtwdev->flags)) 2945 return; 2946 2947 mutex_lock(&rtwdev->mutex); 2948 2949 if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags)) 2950 goto out; 2951 2952 ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->track_work, 2953 RTW89_TRACK_WORK_PERIOD); 2954 2955 tfc_changed = rtw89_traffic_stats_track(rtwdev); 2956 if (rtwdev->scanning) 2957 goto out; 2958 2959 rtw89_leave_lps(rtwdev); 2960 2961 if (tfc_changed) { 2962 rtw89_hci_recalc_int_mit(rtwdev); 2963 rtw89_btc_ntfy_wl_sta(rtwdev); 2964 } 2965 rtw89_mac_bf_monitor_track(rtwdev); 2966 rtw89_phy_stat_track(rtwdev); 2967 rtw89_phy_env_monitor_track(rtwdev); 2968 rtw89_phy_dig(rtwdev); 2969 rtw89_core_rfk_track(rtwdev); 2970 rtw89_phy_ra_update(rtwdev); 2971 rtw89_phy_cfo_track(rtwdev); 2972 rtw89_phy_tx_path_div_track(rtwdev); 2973 rtw89_phy_antdiv_track(rtwdev); 2974 rtw89_phy_ul_tb_ctrl_track(rtwdev); 2975 rtw89_tas_track(rtwdev); 2976 rtw89_chanctx_track(rtwdev); 2977 2978 if (rtwdev->lps_enabled && !rtwdev->btc.lps) 2979 rtw89_enter_lps_track(rtwdev); 2980 2981 out: 2982 mutex_unlock(&rtwdev->mutex); 2983 } 2984 2985 u8 rtw89_core_acquire_bit_map(unsigned long *addr, unsigned long size) 2986 { 2987 unsigned long bit; 2988 2989 bit = find_first_zero_bit(addr, size); 2990 if (bit < size) 2991 set_bit(bit, addr); 2992 2993 return bit; 2994 } 2995 2996 void rtw89_core_release_bit_map(unsigned long *addr, u8 bit) 2997 { 2998 clear_bit(bit, addr); 2999 } 3000 3001 void rtw89_core_release_all_bits_map(unsigned long *addr, unsigned int nbits) 3002 { 3003 bitmap_zero(addr, nbits); 3004 } 3005 3006 int rtw89_core_acquire_sta_ba_entry(struct rtw89_dev *rtwdev, 3007 struct rtw89_sta *rtwsta, u8 tid, u8 *cam_idx) 3008 { 3009 const struct rtw89_chip_info *chip = rtwdev->chip; 3010 struct rtw89_cam_info *cam_info = &rtwdev->cam_info; 3011 struct rtw89_ba_cam_entry *entry = NULL, *tmp; 3012 u8 idx; 3013 int i; 3014 3015 lockdep_assert_held(&rtwdev->mutex); 3016 3017 idx = rtw89_core_acquire_bit_map(cam_info->ba_cam_map, chip->bacam_num); 3018 if (idx == chip->bacam_num) { 3019 /* allocate a static BA CAM to tid=0/5, so replace the existing 3020 * one if BA CAM is full. Hardware will process the original tid 3021 * automatically. 3022 */ 3023 if (tid != 0 && tid != 5) 3024 return -ENOSPC; 3025 3026 for_each_set_bit(i, cam_info->ba_cam_map, chip->bacam_num) { 3027 tmp = &cam_info->ba_cam_entry[i]; 3028 if (tmp->tid == 0 || tmp->tid == 5) 3029 continue; 3030 3031 idx = i; 3032 entry = tmp; 3033 list_del(&entry->list); 3034 break; 3035 } 3036 3037 if (!entry) 3038 return -ENOSPC; 3039 } else { 3040 entry = &cam_info->ba_cam_entry[idx]; 3041 } 3042 3043 entry->tid = tid; 3044 list_add_tail(&entry->list, &rtwsta->ba_cam_list); 3045 3046 *cam_idx = idx; 3047 3048 return 0; 3049 } 3050 3051 int rtw89_core_release_sta_ba_entry(struct rtw89_dev *rtwdev, 3052 struct rtw89_sta *rtwsta, u8 tid, u8 *cam_idx) 3053 { 3054 struct rtw89_cam_info *cam_info = &rtwdev->cam_info; 3055 struct rtw89_ba_cam_entry *entry = NULL, *tmp; 3056 u8 idx; 3057 3058 lockdep_assert_held(&rtwdev->mutex); 3059 3060 list_for_each_entry_safe(entry, tmp, &rtwsta->ba_cam_list, list) { 3061 if (entry->tid != tid) 3062 continue; 3063 3064 idx = entry - cam_info->ba_cam_entry; 3065 list_del(&entry->list); 3066 3067 rtw89_core_release_bit_map(cam_info->ba_cam_map, idx); 3068 *cam_idx = idx; 3069 return 0; 3070 } 3071 3072 return -ENOENT; 3073 } 3074 3075 #define RTW89_TYPE_MAPPING(_type) \ 3076 case NL80211_IFTYPE_ ## _type: \ 3077 rtwvif->wifi_role = RTW89_WIFI_ROLE_ ## _type; \ 3078 break 3079 void rtw89_vif_type_mapping(struct ieee80211_vif *vif, bool assoc) 3080 { 3081 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 3082 3083 switch (vif->type) { 3084 case NL80211_IFTYPE_STATION: 3085 if (vif->p2p) 3086 rtwvif->wifi_role = RTW89_WIFI_ROLE_P2P_CLIENT; 3087 else 3088 rtwvif->wifi_role = RTW89_WIFI_ROLE_STATION; 3089 break; 3090 case NL80211_IFTYPE_AP: 3091 if (vif->p2p) 3092 rtwvif->wifi_role = RTW89_WIFI_ROLE_P2P_GO; 3093 else 3094 rtwvif->wifi_role = RTW89_WIFI_ROLE_AP; 3095 break; 3096 RTW89_TYPE_MAPPING(ADHOC); 3097 RTW89_TYPE_MAPPING(MONITOR); 3098 RTW89_TYPE_MAPPING(MESH_POINT); 3099 default: 3100 WARN_ON(1); 3101 break; 3102 } 3103 3104 switch (vif->type) { 3105 case NL80211_IFTYPE_AP: 3106 case NL80211_IFTYPE_MESH_POINT: 3107 rtwvif->net_type = RTW89_NET_TYPE_AP_MODE; 3108 rtwvif->self_role = RTW89_SELF_ROLE_AP; 3109 break; 3110 case NL80211_IFTYPE_ADHOC: 3111 rtwvif->net_type = RTW89_NET_TYPE_AD_HOC; 3112 rtwvif->self_role = RTW89_SELF_ROLE_CLIENT; 3113 break; 3114 case NL80211_IFTYPE_STATION: 3115 if (assoc) { 3116 rtwvif->net_type = RTW89_NET_TYPE_INFRA; 3117 rtwvif->trigger = vif->bss_conf.he_support; 3118 } else { 3119 rtwvif->net_type = RTW89_NET_TYPE_NO_LINK; 3120 rtwvif->trigger = false; 3121 } 3122 rtwvif->self_role = RTW89_SELF_ROLE_CLIENT; 3123 rtwvif->addr_cam.sec_ent_mode = RTW89_ADDR_CAM_SEC_NORMAL; 3124 break; 3125 case NL80211_IFTYPE_MONITOR: 3126 break; 3127 default: 3128 WARN_ON(1); 3129 break; 3130 } 3131 } 3132 3133 int rtw89_core_sta_add(struct rtw89_dev *rtwdev, 3134 struct ieee80211_vif *vif, 3135 struct ieee80211_sta *sta) 3136 { 3137 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 3138 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 3139 struct rtw89_hal *hal = &rtwdev->hal; 3140 u8 ant_num = hal->ant_diversity ? 2 : rtwdev->chip->rf_path_num; 3141 int i; 3142 int ret; 3143 3144 rtwsta->rtwdev = rtwdev; 3145 rtwsta->rtwvif = rtwvif; 3146 rtwsta->prev_rssi = 0; 3147 INIT_LIST_HEAD(&rtwsta->ba_cam_list); 3148 skb_queue_head_init(&rtwsta->roc_queue); 3149 3150 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 3151 rtw89_core_txq_init(rtwdev, sta->txq[i]); 3152 3153 ewma_rssi_init(&rtwsta->avg_rssi); 3154 ewma_snr_init(&rtwsta->avg_snr); 3155 for (i = 0; i < ant_num; i++) { 3156 ewma_rssi_init(&rtwsta->rssi[i]); 3157 ewma_evm_init(&rtwsta->evm_min[i]); 3158 ewma_evm_init(&rtwsta->evm_max[i]); 3159 } 3160 3161 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 3162 /* for station mode, assign the mac_id from itself */ 3163 rtwsta->mac_id = rtwvif->mac_id; 3164 /* must do rtw89_reg_6ghz_power_recalc() before rfk channel */ 3165 rtw89_reg_6ghz_power_recalc(rtwdev, rtwvif, true); 3166 rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta, 3167 BTC_ROLE_MSTS_STA_CONN_START); 3168 rtw89_chip_rfk_channel(rtwdev); 3169 } else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) { 3170 rtwsta->mac_id = rtw89_core_acquire_bit_map(rtwdev->mac_id_map, 3171 RTW89_MAX_MAC_ID_NUM); 3172 if (rtwsta->mac_id == RTW89_MAX_MAC_ID_NUM) 3173 return -ENOSPC; 3174 3175 ret = rtw89_mac_set_macid_pause(rtwdev, rtwsta->mac_id, false); 3176 if (ret) { 3177 rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id); 3178 rtw89_warn(rtwdev, "failed to send h2c macid pause\n"); 3179 return ret; 3180 } 3181 3182 ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, rtwsta, 3183 RTW89_ROLE_CREATE); 3184 if (ret) { 3185 rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id); 3186 rtw89_warn(rtwdev, "failed to send h2c role info\n"); 3187 return ret; 3188 } 3189 3190 rtw89_queue_chanctx_change(rtwdev, RTW89_CHANCTX_REMOTE_STA_CHANGE); 3191 } 3192 3193 return 0; 3194 } 3195 3196 int rtw89_core_sta_disassoc(struct rtw89_dev *rtwdev, 3197 struct ieee80211_vif *vif, 3198 struct ieee80211_sta *sta) 3199 { 3200 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 3201 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 3202 3203 if (vif->type == NL80211_IFTYPE_STATION) 3204 rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, vif, false); 3205 3206 rtwdev->total_sta_assoc--; 3207 if (sta->tdls) 3208 rtwvif->tdls_peer--; 3209 rtwsta->disassoc = true; 3210 3211 return 0; 3212 } 3213 3214 int rtw89_core_sta_disconnect(struct rtw89_dev *rtwdev, 3215 struct ieee80211_vif *vif, 3216 struct ieee80211_sta *sta) 3217 { 3218 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 3219 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 3220 int ret; 3221 3222 rtw89_mac_bf_monitor_calc(rtwdev, sta, true); 3223 rtw89_mac_bf_disassoc(rtwdev, vif, sta); 3224 rtw89_core_free_sta_pending_ba(rtwdev, sta); 3225 rtw89_core_free_sta_pending_forbid_ba(rtwdev, sta); 3226 rtw89_core_free_sta_pending_roc_tx(rtwdev, sta); 3227 3228 if (vif->type == NL80211_IFTYPE_AP || sta->tdls) 3229 rtw89_cam_deinit_addr_cam(rtwdev, &rtwsta->addr_cam); 3230 if (sta->tdls) 3231 rtw89_cam_deinit_bssid_cam(rtwdev, &rtwsta->bssid_cam); 3232 3233 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 3234 rtw89_vif_type_mapping(vif, false); 3235 rtw89_fw_release_general_pkt_list_vif(rtwdev, rtwvif, true); 3236 } 3237 3238 ret = rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, vif, sta); 3239 if (ret) { 3240 rtw89_warn(rtwdev, "failed to send h2c cmac table\n"); 3241 return ret; 3242 } 3243 3244 ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, true); 3245 if (ret) { 3246 rtw89_warn(rtwdev, "failed to send h2c join info\n"); 3247 return ret; 3248 } 3249 3250 /* update cam aid mac_id net_type */ 3251 ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL); 3252 if (ret) { 3253 rtw89_warn(rtwdev, "failed to send h2c cam\n"); 3254 return ret; 3255 } 3256 3257 return ret; 3258 } 3259 3260 int rtw89_core_sta_assoc(struct rtw89_dev *rtwdev, 3261 struct ieee80211_vif *vif, 3262 struct ieee80211_sta *sta) 3263 { 3264 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 3265 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 3266 struct rtw89_bssid_cam_entry *bssid_cam = rtw89_get_bssid_cam_of(rtwvif, rtwsta); 3267 const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, 3268 rtwvif->sub_entity_idx); 3269 int ret; 3270 3271 if (vif->type == NL80211_IFTYPE_AP || sta->tdls) { 3272 if (sta->tdls) { 3273 ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif, bssid_cam, sta->addr); 3274 if (ret) { 3275 rtw89_warn(rtwdev, "failed to send h2c init bssid cam for TDLS\n"); 3276 return ret; 3277 } 3278 } 3279 3280 ret = rtw89_cam_init_addr_cam(rtwdev, &rtwsta->addr_cam, bssid_cam); 3281 if (ret) { 3282 rtw89_warn(rtwdev, "failed to send h2c init addr cam\n"); 3283 return ret; 3284 } 3285 } 3286 3287 ret = rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, vif, sta); 3288 if (ret) { 3289 rtw89_warn(rtwdev, "failed to send h2c cmac table\n"); 3290 return ret; 3291 } 3292 3293 ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, false); 3294 if (ret) { 3295 rtw89_warn(rtwdev, "failed to send h2c join info\n"); 3296 return ret; 3297 } 3298 3299 /* update cam aid mac_id net_type */ 3300 ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL); 3301 if (ret) { 3302 rtw89_warn(rtwdev, "failed to send h2c cam\n"); 3303 return ret; 3304 } 3305 3306 rtwdev->total_sta_assoc++; 3307 if (sta->tdls) 3308 rtwvif->tdls_peer++; 3309 rtw89_phy_ra_assoc(rtwdev, sta); 3310 rtw89_mac_bf_assoc(rtwdev, vif, sta); 3311 rtw89_mac_bf_monitor_calc(rtwdev, sta, false); 3312 3313 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 3314 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 3315 3316 if (bss_conf->he_support && 3317 !(bss_conf->he_oper.params & IEEE80211_HE_OPERATION_ER_SU_DISABLE)) 3318 rtwsta->er_cap = true; 3319 3320 rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta, 3321 BTC_ROLE_MSTS_STA_CONN_END); 3322 rtw89_core_get_no_ul_ofdma_htc(rtwdev, &rtwsta->htc_template, chan); 3323 rtw89_phy_ul_tb_assoc(rtwdev, rtwvif); 3324 3325 ret = rtw89_fw_h2c_general_pkt(rtwdev, rtwvif, rtwsta->mac_id); 3326 if (ret) { 3327 rtw89_warn(rtwdev, "failed to send h2c general packet\n"); 3328 return ret; 3329 } 3330 } 3331 3332 return ret; 3333 } 3334 3335 int rtw89_core_sta_remove(struct rtw89_dev *rtwdev, 3336 struct ieee80211_vif *vif, 3337 struct ieee80211_sta *sta) 3338 { 3339 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 3340 struct rtw89_sta *rtwsta = (struct rtw89_sta *)sta->drv_priv; 3341 int ret; 3342 3343 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 3344 rtw89_reg_6ghz_power_recalc(rtwdev, rtwvif, false); 3345 rtw89_btc_ntfy_role_info(rtwdev, rtwvif, rtwsta, 3346 BTC_ROLE_MSTS_STA_DIS_CONN); 3347 } else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) { 3348 rtw89_core_release_bit_map(rtwdev->mac_id_map, rtwsta->mac_id); 3349 3350 ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, rtwsta, 3351 RTW89_ROLE_REMOVE); 3352 if (ret) { 3353 rtw89_warn(rtwdev, "failed to send h2c role info\n"); 3354 return ret; 3355 } 3356 3357 rtw89_queue_chanctx_change(rtwdev, RTW89_CHANCTX_REMOTE_STA_CHANGE); 3358 } 3359 3360 return 0; 3361 } 3362 3363 static void _rtw89_core_set_tid_config(struct rtw89_dev *rtwdev, 3364 struct ieee80211_sta *sta, 3365 struct cfg80211_tid_cfg *tid_conf) 3366 { 3367 struct ieee80211_txq *txq; 3368 struct rtw89_txq *rtwtxq; 3369 u32 mask = tid_conf->mask; 3370 u8 tids = tid_conf->tids; 3371 int tids_nbit = BITS_PER_BYTE; 3372 int i; 3373 3374 for (i = 0; i < tids_nbit; i++, tids >>= 1) { 3375 if (!tids) 3376 break; 3377 3378 if (!(tids & BIT(0))) 3379 continue; 3380 3381 txq = sta->txq[i]; 3382 rtwtxq = (struct rtw89_txq *)txq->drv_priv; 3383 3384 if (mask & BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL)) { 3385 if (tid_conf->ampdu == NL80211_TID_CONFIG_ENABLE) { 3386 clear_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags); 3387 } else { 3388 if (test_bit(RTW89_TXQ_F_AMPDU, &rtwtxq->flags)) 3389 ieee80211_stop_tx_ba_session(sta, txq->tid); 3390 spin_lock_bh(&rtwdev->ba_lock); 3391 list_del_init(&rtwtxq->list); 3392 set_bit(RTW89_TXQ_F_FORBID_BA, &rtwtxq->flags); 3393 spin_unlock_bh(&rtwdev->ba_lock); 3394 } 3395 } 3396 3397 if (mask & BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL) && tids == 0xff) { 3398 if (tid_conf->amsdu == NL80211_TID_CONFIG_ENABLE) 3399 sta->max_amsdu_subframes = 0; 3400 else 3401 sta->max_amsdu_subframes = 1; 3402 } 3403 } 3404 } 3405 3406 void rtw89_core_set_tid_config(struct rtw89_dev *rtwdev, 3407 struct ieee80211_sta *sta, 3408 struct cfg80211_tid_config *tid_config) 3409 { 3410 int i; 3411 3412 for (i = 0; i < tid_config->n_tid_conf; i++) 3413 _rtw89_core_set_tid_config(rtwdev, sta, 3414 &tid_config->tid_conf[i]); 3415 } 3416 3417 static void rtw89_init_ht_cap(struct rtw89_dev *rtwdev, 3418 struct ieee80211_sta_ht_cap *ht_cap) 3419 { 3420 static const __le16 highest[RF_PATH_MAX] = { 3421 cpu_to_le16(150), cpu_to_le16(300), cpu_to_le16(450), cpu_to_le16(600), 3422 }; 3423 struct rtw89_hal *hal = &rtwdev->hal; 3424 u8 nss = hal->rx_nss; 3425 int i; 3426 3427 ht_cap->ht_supported = true; 3428 ht_cap->cap = 0; 3429 ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 | 3430 IEEE80211_HT_CAP_MAX_AMSDU | 3431 IEEE80211_HT_CAP_TX_STBC | 3432 (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); 3433 ht_cap->cap |= IEEE80211_HT_CAP_LDPC_CODING; 3434 ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 3435 IEEE80211_HT_CAP_DSSSCCK40 | 3436 IEEE80211_HT_CAP_SGI_40; 3437 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 3438 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 3439 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 3440 for (i = 0; i < nss; i++) 3441 ht_cap->mcs.rx_mask[i] = 0xFF; 3442 ht_cap->mcs.rx_mask[4] = 0x01; 3443 ht_cap->mcs.rx_highest = highest[nss - 1]; 3444 } 3445 3446 static void rtw89_init_vht_cap(struct rtw89_dev *rtwdev, 3447 struct ieee80211_sta_vht_cap *vht_cap) 3448 { 3449 static const __le16 highest_bw80[RF_PATH_MAX] = { 3450 cpu_to_le16(433), cpu_to_le16(867), cpu_to_le16(1300), cpu_to_le16(1733), 3451 }; 3452 static const __le16 highest_bw160[RF_PATH_MAX] = { 3453 cpu_to_le16(867), cpu_to_le16(1733), cpu_to_le16(2600), cpu_to_le16(3467), 3454 }; 3455 const struct rtw89_chip_info *chip = rtwdev->chip; 3456 const __le16 *highest = chip->support_bw160 ? highest_bw160 : highest_bw80; 3457 struct rtw89_hal *hal = &rtwdev->hal; 3458 u16 tx_mcs_map = 0, rx_mcs_map = 0; 3459 u8 sts_cap = 3; 3460 int i; 3461 3462 for (i = 0; i < 8; i++) { 3463 if (i < hal->tx_nss) 3464 tx_mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); 3465 else 3466 tx_mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); 3467 if (i < hal->rx_nss) 3468 rx_mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); 3469 else 3470 rx_mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); 3471 } 3472 3473 vht_cap->vht_supported = true; 3474 vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 3475 IEEE80211_VHT_CAP_SHORT_GI_80 | 3476 IEEE80211_VHT_CAP_RXSTBC_1 | 3477 IEEE80211_VHT_CAP_HTC_VHT | 3478 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 3479 0; 3480 vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC; 3481 vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC; 3482 vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 3483 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; 3484 vht_cap->cap |= sts_cap << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; 3485 if (chip->support_bw160) 3486 vht_cap->cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ | 3487 IEEE80211_VHT_CAP_SHORT_GI_160; 3488 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(rx_mcs_map); 3489 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(tx_mcs_map); 3490 vht_cap->vht_mcs.rx_highest = highest[hal->rx_nss - 1]; 3491 vht_cap->vht_mcs.tx_highest = highest[hal->tx_nss - 1]; 3492 } 3493 3494 #define RTW89_SBAND_IFTYPES_NR 2 3495 3496 static void rtw89_init_he_cap(struct rtw89_dev *rtwdev, 3497 enum nl80211_band band, 3498 struct ieee80211_supported_band *sband) 3499 { 3500 const struct rtw89_chip_info *chip = rtwdev->chip; 3501 struct rtw89_hal *hal = &rtwdev->hal; 3502 struct ieee80211_sband_iftype_data *iftype_data; 3503 bool no_ng16 = (chip->chip_id == RTL8852A && hal->cv == CHIP_CBV) || 3504 (chip->chip_id == RTL8852B && hal->cv == CHIP_CAV); 3505 u16 mcs_map = 0; 3506 int i; 3507 int nss = hal->rx_nss; 3508 int idx = 0; 3509 3510 iftype_data = kcalloc(RTW89_SBAND_IFTYPES_NR, sizeof(*iftype_data), GFP_KERNEL); 3511 if (!iftype_data) 3512 return; 3513 3514 for (i = 0; i < 8; i++) { 3515 if (i < nss) 3516 mcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2); 3517 else 3518 mcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2); 3519 } 3520 3521 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 3522 struct ieee80211_sta_he_cap *he_cap; 3523 u8 *mac_cap_info; 3524 u8 *phy_cap_info; 3525 3526 switch (i) { 3527 case NL80211_IFTYPE_STATION: 3528 case NL80211_IFTYPE_AP: 3529 break; 3530 default: 3531 continue; 3532 } 3533 3534 if (idx >= RTW89_SBAND_IFTYPES_NR) { 3535 rtw89_warn(rtwdev, "run out of iftype_data\n"); 3536 break; 3537 } 3538 3539 iftype_data[idx].types_mask = BIT(i); 3540 he_cap = &iftype_data[idx].he_cap; 3541 mac_cap_info = he_cap->he_cap_elem.mac_cap_info; 3542 phy_cap_info = he_cap->he_cap_elem.phy_cap_info; 3543 3544 he_cap->has_he = true; 3545 mac_cap_info[0] = IEEE80211_HE_MAC_CAP0_HTC_HE; 3546 if (i == NL80211_IFTYPE_STATION) 3547 mac_cap_info[1] = IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 3548 mac_cap_info[2] = IEEE80211_HE_MAC_CAP2_ALL_ACK | 3549 IEEE80211_HE_MAC_CAP2_BSR; 3550 mac_cap_info[3] = IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2; 3551 if (i == NL80211_IFTYPE_AP) 3552 mac_cap_info[3] |= IEEE80211_HE_MAC_CAP3_OMI_CONTROL; 3553 mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_OPS | 3554 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; 3555 if (i == NL80211_IFTYPE_STATION) 3556 mac_cap_info[5] = IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX; 3557 if (band == NL80211_BAND_2GHZ) { 3558 phy_cap_info[0] = 3559 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3560 } else { 3561 phy_cap_info[0] = 3562 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; 3563 if (chip->support_bw160) 3564 phy_cap_info[0] |= IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; 3565 } 3566 phy_cap_info[1] = IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 3567 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD | 3568 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 3569 phy_cap_info[2] = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 3570 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 3571 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | 3572 IEEE80211_HE_PHY_CAP2_DOPPLER_TX; 3573 phy_cap_info[3] = IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM; 3574 if (i == NL80211_IFTYPE_STATION) 3575 phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM | 3576 IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2; 3577 if (i == NL80211_IFTYPE_AP) 3578 phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU; 3579 phy_cap_info[4] = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 3580 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; 3581 if (chip->support_bw160) 3582 phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; 3583 phy_cap_info[5] = no_ng16 ? 0 : 3584 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | 3585 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 3586 phy_cap_info[6] = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 3587 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 3588 IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | 3589 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE; 3590 phy_cap_info[7] = IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 3591 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI | 3592 IEEE80211_HE_PHY_CAP7_MAX_NC_1; 3593 phy_cap_info[8] = IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI | 3594 IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI | 3595 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996; 3596 if (chip->support_bw160) 3597 phy_cap_info[8] |= IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 3598 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 3599 phy_cap_info[9] = IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 3600 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 3601 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 3602 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB | 3603 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, 3604 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 3605 if (i == NL80211_IFTYPE_STATION) 3606 phy_cap_info[9] |= IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU; 3607 he_cap->he_mcs_nss_supp.rx_mcs_80 = cpu_to_le16(mcs_map); 3608 he_cap->he_mcs_nss_supp.tx_mcs_80 = cpu_to_le16(mcs_map); 3609 if (chip->support_bw160) { 3610 he_cap->he_mcs_nss_supp.rx_mcs_160 = cpu_to_le16(mcs_map); 3611 he_cap->he_mcs_nss_supp.tx_mcs_160 = cpu_to_le16(mcs_map); 3612 } 3613 3614 if (band == NL80211_BAND_6GHZ) { 3615 __le16 capa; 3616 3617 capa = le16_encode_bits(IEEE80211_HT_MPDU_DENSITY_NONE, 3618 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) | 3619 le16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K, 3620 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) | 3621 le16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454, 3622 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); 3623 iftype_data[idx].he_6ghz_capa.capa = capa; 3624 } 3625 3626 idx++; 3627 } 3628 3629 _ieee80211_set_sband_iftype_data(sband, iftype_data, idx); 3630 } 3631 3632 static int rtw89_core_set_supported_band(struct rtw89_dev *rtwdev) 3633 { 3634 struct ieee80211_hw *hw = rtwdev->hw; 3635 struct ieee80211_supported_band *sband_2ghz = NULL, *sband_5ghz = NULL; 3636 struct ieee80211_supported_band *sband_6ghz = NULL; 3637 u32 size = sizeof(struct ieee80211_supported_band); 3638 u8 support_bands = rtwdev->chip->support_bands; 3639 3640 if (support_bands & BIT(NL80211_BAND_2GHZ)) { 3641 sband_2ghz = kmemdup(&rtw89_sband_2ghz, size, GFP_KERNEL); 3642 if (!sband_2ghz) 3643 goto err; 3644 rtw89_init_ht_cap(rtwdev, &sband_2ghz->ht_cap); 3645 rtw89_init_he_cap(rtwdev, NL80211_BAND_2GHZ, sband_2ghz); 3646 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband_2ghz; 3647 } 3648 3649 if (support_bands & BIT(NL80211_BAND_5GHZ)) { 3650 sband_5ghz = kmemdup(&rtw89_sband_5ghz, size, GFP_KERNEL); 3651 if (!sband_5ghz) 3652 goto err; 3653 rtw89_init_ht_cap(rtwdev, &sband_5ghz->ht_cap); 3654 rtw89_init_vht_cap(rtwdev, &sband_5ghz->vht_cap); 3655 rtw89_init_he_cap(rtwdev, NL80211_BAND_5GHZ, sband_5ghz); 3656 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband_5ghz; 3657 } 3658 3659 if (support_bands & BIT(NL80211_BAND_6GHZ)) { 3660 sband_6ghz = kmemdup(&rtw89_sband_6ghz, size, GFP_KERNEL); 3661 if (!sband_6ghz) 3662 goto err; 3663 rtw89_init_he_cap(rtwdev, NL80211_BAND_6GHZ, sband_6ghz); 3664 hw->wiphy->bands[NL80211_BAND_6GHZ] = sband_6ghz; 3665 } 3666 3667 return 0; 3668 3669 err: 3670 hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL; 3671 hw->wiphy->bands[NL80211_BAND_5GHZ] = NULL; 3672 hw->wiphy->bands[NL80211_BAND_6GHZ] = NULL; 3673 if (sband_2ghz) 3674 kfree((__force void *)sband_2ghz->iftype_data); 3675 if (sband_5ghz) 3676 kfree((__force void *)sband_5ghz->iftype_data); 3677 if (sband_6ghz) 3678 kfree((__force void *)sband_6ghz->iftype_data); 3679 kfree(sband_2ghz); 3680 kfree(sband_5ghz); 3681 kfree(sband_6ghz); 3682 return -ENOMEM; 3683 } 3684 3685 static void rtw89_core_clr_supported_band(struct rtw89_dev *rtwdev) 3686 { 3687 struct ieee80211_hw *hw = rtwdev->hw; 3688 3689 if (hw->wiphy->bands[NL80211_BAND_2GHZ]) 3690 kfree((__force void *)hw->wiphy->bands[NL80211_BAND_2GHZ]->iftype_data); 3691 if (hw->wiphy->bands[NL80211_BAND_5GHZ]) 3692 kfree((__force void *)hw->wiphy->bands[NL80211_BAND_5GHZ]->iftype_data); 3693 if (hw->wiphy->bands[NL80211_BAND_6GHZ]) 3694 kfree((__force void *)hw->wiphy->bands[NL80211_BAND_6GHZ]->iftype_data); 3695 kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]); 3696 kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]); 3697 kfree(hw->wiphy->bands[NL80211_BAND_6GHZ]); 3698 hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL; 3699 hw->wiphy->bands[NL80211_BAND_5GHZ] = NULL; 3700 hw->wiphy->bands[NL80211_BAND_6GHZ] = NULL; 3701 } 3702 3703 static void rtw89_core_ppdu_sts_init(struct rtw89_dev *rtwdev) 3704 { 3705 int i; 3706 3707 for (i = 0; i < RTW89_PHY_MAX; i++) 3708 skb_queue_head_init(&rtwdev->ppdu_sts.rx_queue[i]); 3709 for (i = 0; i < RTW89_PHY_MAX; i++) 3710 rtwdev->ppdu_sts.curr_rx_ppdu_cnt[i] = U8_MAX; 3711 } 3712 3713 void rtw89_core_update_beacon_work(struct work_struct *work) 3714 { 3715 struct rtw89_dev *rtwdev; 3716 struct rtw89_vif *rtwvif = container_of(work, struct rtw89_vif, 3717 update_beacon_work); 3718 3719 if (rtwvif->net_type != RTW89_NET_TYPE_AP_MODE) 3720 return; 3721 3722 rtwdev = rtwvif->rtwdev; 3723 mutex_lock(&rtwdev->mutex); 3724 rtw89_fw_h2c_update_beacon(rtwdev, rtwvif); 3725 mutex_unlock(&rtwdev->mutex); 3726 } 3727 3728 int rtw89_wait_for_cond(struct rtw89_wait_info *wait, unsigned int cond) 3729 { 3730 struct completion *cmpl = &wait->completion; 3731 unsigned long timeout; 3732 unsigned int cur; 3733 3734 cur = atomic_cmpxchg(&wait->cond, RTW89_WAIT_COND_IDLE, cond); 3735 if (cur != RTW89_WAIT_COND_IDLE) 3736 return -EBUSY; 3737 3738 timeout = wait_for_completion_timeout(cmpl, RTW89_WAIT_FOR_COND_TIMEOUT); 3739 if (timeout == 0) { 3740 atomic_set(&wait->cond, RTW89_WAIT_COND_IDLE); 3741 return -ETIMEDOUT; 3742 } 3743 3744 if (wait->data.err) 3745 return -EFAULT; 3746 3747 return 0; 3748 } 3749 3750 void rtw89_complete_cond(struct rtw89_wait_info *wait, unsigned int cond, 3751 const struct rtw89_completion_data *data) 3752 { 3753 unsigned int cur; 3754 3755 cur = atomic_cmpxchg(&wait->cond, cond, RTW89_WAIT_COND_IDLE); 3756 if (cur != cond) 3757 return; 3758 3759 wait->data = *data; 3760 complete(&wait->completion); 3761 } 3762 3763 void rtw89_core_ntfy_btc_event(struct rtw89_dev *rtwdev, enum rtw89_btc_hmsg event) 3764 { 3765 u16 bt_req_len; 3766 3767 switch (event) { 3768 case RTW89_BTC_HMSG_SET_BT_REQ_SLOT: 3769 bt_req_len = rtw89_coex_query_bt_req_len(rtwdev, RTW89_PHY_0); 3770 rtw89_debug(rtwdev, RTW89_DBG_BTC, 3771 "coex updates BT req len to %d TU\n", bt_req_len); 3772 rtw89_queue_chanctx_change(rtwdev, RTW89_CHANCTX_BT_SLOT_CHANGE); 3773 break; 3774 default: 3775 if (event < NUM_OF_RTW89_BTC_HMSG) 3776 rtw89_debug(rtwdev, RTW89_DBG_BTC, 3777 "unhandled BTC HMSG event: %d\n", event); 3778 else 3779 rtw89_warn(rtwdev, 3780 "unrecognized BTC HMSG event: %d\n", event); 3781 break; 3782 } 3783 } 3784 3785 int rtw89_core_start(struct rtw89_dev *rtwdev) 3786 { 3787 int ret; 3788 3789 rtwdev->mac.qta_mode = RTW89_QTA_SCC; 3790 ret = rtw89_mac_init(rtwdev); 3791 if (ret) { 3792 rtw89_err(rtwdev, "mac init fail, ret:%d\n", ret); 3793 return ret; 3794 } 3795 3796 rtw89_btc_ntfy_poweron(rtwdev); 3797 3798 /* efuse process */ 3799 3800 /* pre-config BB/RF, BB reset/RFC reset */ 3801 ret = rtw89_chip_disable_bb_rf(rtwdev); 3802 if (ret) 3803 return ret; 3804 ret = rtw89_chip_enable_bb_rf(rtwdev); 3805 if (ret) 3806 return ret; 3807 3808 rtw89_phy_init_bb_reg(rtwdev); 3809 rtw89_phy_init_rf_reg(rtwdev, false); 3810 3811 rtw89_btc_ntfy_init(rtwdev, BTC_MODE_NORMAL); 3812 3813 rtw89_phy_dm_init(rtwdev); 3814 3815 rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, true); 3816 rtw89_mac_update_rts_threshold(rtwdev, RTW89_MAC_0); 3817 3818 rtw89_tas_reset(rtwdev); 3819 3820 ret = rtw89_hci_start(rtwdev); 3821 if (ret) { 3822 rtw89_err(rtwdev, "failed to start hci\n"); 3823 return ret; 3824 } 3825 3826 ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->track_work, 3827 RTW89_TRACK_WORK_PERIOD); 3828 3829 set_bit(RTW89_FLAG_RUNNING, rtwdev->flags); 3830 3831 rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_ON); 3832 rtw89_fw_h2c_fw_log(rtwdev, rtwdev->fw.log.enable); 3833 rtw89_fw_h2c_init_ba_cam(rtwdev); 3834 3835 return 0; 3836 } 3837 3838 void rtw89_core_stop(struct rtw89_dev *rtwdev) 3839 { 3840 struct rtw89_btc *btc = &rtwdev->btc; 3841 3842 /* Prvent to stop twice; enter_ips and ops_stop */ 3843 if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags)) 3844 return; 3845 3846 rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_OFF); 3847 3848 clear_bit(RTW89_FLAG_RUNNING, rtwdev->flags); 3849 3850 mutex_unlock(&rtwdev->mutex); 3851 3852 cancel_work_sync(&rtwdev->c2h_work); 3853 cancel_work_sync(&rtwdev->cancel_6ghz_probe_work); 3854 cancel_work_sync(&btc->eapol_notify_work); 3855 cancel_work_sync(&btc->arp_notify_work); 3856 cancel_work_sync(&btc->dhcp_notify_work); 3857 cancel_work_sync(&btc->icmp_notify_work); 3858 cancel_delayed_work_sync(&rtwdev->txq_reinvoke_work); 3859 cancel_delayed_work_sync(&rtwdev->track_work); 3860 cancel_delayed_work_sync(&rtwdev->chanctx_work); 3861 cancel_delayed_work_sync(&rtwdev->coex_act1_work); 3862 cancel_delayed_work_sync(&rtwdev->coex_bt_devinfo_work); 3863 cancel_delayed_work_sync(&rtwdev->coex_rfk_chk_work); 3864 cancel_delayed_work_sync(&rtwdev->cfo_track_work); 3865 cancel_delayed_work_sync(&rtwdev->forbid_ba_work); 3866 cancel_delayed_work_sync(&rtwdev->antdiv_work); 3867 3868 mutex_lock(&rtwdev->mutex); 3869 3870 rtw89_btc_ntfy_poweroff(rtwdev); 3871 rtw89_hci_flush_queues(rtwdev, BIT(rtwdev->hw->queues) - 1, true); 3872 rtw89_mac_flush_txq(rtwdev, BIT(rtwdev->hw->queues) - 1, true); 3873 rtw89_hci_stop(rtwdev); 3874 rtw89_hci_deinit(rtwdev); 3875 rtw89_mac_pwr_off(rtwdev); 3876 rtw89_hci_reset(rtwdev); 3877 } 3878 3879 int rtw89_core_init(struct rtw89_dev *rtwdev) 3880 { 3881 struct rtw89_btc *btc = &rtwdev->btc; 3882 u8 band; 3883 3884 INIT_LIST_HEAD(&rtwdev->ba_list); 3885 INIT_LIST_HEAD(&rtwdev->forbid_ba_list); 3886 INIT_LIST_HEAD(&rtwdev->rtwvifs_list); 3887 INIT_LIST_HEAD(&rtwdev->early_h2c_list); 3888 for (band = NL80211_BAND_2GHZ; band < NUM_NL80211_BANDS; band++) { 3889 if (!(rtwdev->chip->support_bands & BIT(band))) 3890 continue; 3891 INIT_LIST_HEAD(&rtwdev->scan_info.pkt_list[band]); 3892 } 3893 INIT_WORK(&rtwdev->ba_work, rtw89_core_ba_work); 3894 INIT_WORK(&rtwdev->txq_work, rtw89_core_txq_work); 3895 INIT_DELAYED_WORK(&rtwdev->txq_reinvoke_work, rtw89_core_txq_reinvoke_work); 3896 INIT_DELAYED_WORK(&rtwdev->track_work, rtw89_track_work); 3897 INIT_DELAYED_WORK(&rtwdev->chanctx_work, rtw89_chanctx_work); 3898 INIT_DELAYED_WORK(&rtwdev->coex_act1_work, rtw89_coex_act1_work); 3899 INIT_DELAYED_WORK(&rtwdev->coex_bt_devinfo_work, rtw89_coex_bt_devinfo_work); 3900 INIT_DELAYED_WORK(&rtwdev->coex_rfk_chk_work, rtw89_coex_rfk_chk_work); 3901 INIT_DELAYED_WORK(&rtwdev->cfo_track_work, rtw89_phy_cfo_track_work); 3902 INIT_DELAYED_WORK(&rtwdev->forbid_ba_work, rtw89_forbid_ba_work); 3903 INIT_DELAYED_WORK(&rtwdev->antdiv_work, rtw89_phy_antdiv_work); 3904 rtwdev->txq_wq = alloc_workqueue("rtw89_tx_wq", WQ_UNBOUND | WQ_HIGHPRI, 0); 3905 if (!rtwdev->txq_wq) 3906 return -ENOMEM; 3907 spin_lock_init(&rtwdev->ba_lock); 3908 spin_lock_init(&rtwdev->rpwm_lock); 3909 mutex_init(&rtwdev->mutex); 3910 mutex_init(&rtwdev->rf_mutex); 3911 rtwdev->total_sta_assoc = 0; 3912 3913 rtw89_init_wait(&rtwdev->mcc.wait); 3914 rtw89_init_wait(&rtwdev->mac.fw_ofld_wait); 3915 3916 INIT_WORK(&rtwdev->c2h_work, rtw89_fw_c2h_work); 3917 INIT_WORK(&rtwdev->ips_work, rtw89_ips_work); 3918 INIT_WORK(&rtwdev->load_firmware_work, rtw89_load_firmware_work); 3919 INIT_WORK(&rtwdev->cancel_6ghz_probe_work, rtw89_cancel_6ghz_probe_work); 3920 3921 skb_queue_head_init(&rtwdev->c2h_queue); 3922 rtw89_core_ppdu_sts_init(rtwdev); 3923 rtw89_traffic_stats_init(rtwdev, &rtwdev->stats); 3924 3925 rtwdev->hal.rx_fltr = DEFAULT_AX_RX_FLTR; 3926 3927 INIT_WORK(&btc->eapol_notify_work, rtw89_btc_ntfy_eapol_packet_work); 3928 INIT_WORK(&btc->arp_notify_work, rtw89_btc_ntfy_arp_packet_work); 3929 INIT_WORK(&btc->dhcp_notify_work, rtw89_btc_ntfy_dhcp_packet_work); 3930 INIT_WORK(&btc->icmp_notify_work, rtw89_btc_ntfy_icmp_packet_work); 3931 3932 init_completion(&rtwdev->fw.req.completion); 3933 3934 schedule_work(&rtwdev->load_firmware_work); 3935 3936 rtw89_ser_init(rtwdev); 3937 rtw89_entity_init(rtwdev); 3938 rtw89_tas_init(rtwdev); 3939 3940 return 0; 3941 } 3942 EXPORT_SYMBOL(rtw89_core_init); 3943 3944 void rtw89_core_deinit(struct rtw89_dev *rtwdev) 3945 { 3946 rtw89_ser_deinit(rtwdev); 3947 rtw89_unload_firmware(rtwdev); 3948 rtw89_fw_free_all_early_h2c(rtwdev); 3949 3950 destroy_workqueue(rtwdev->txq_wq); 3951 mutex_destroy(&rtwdev->rf_mutex); 3952 mutex_destroy(&rtwdev->mutex); 3953 } 3954 EXPORT_SYMBOL(rtw89_core_deinit); 3955 3956 void rtw89_core_scan_start(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif, 3957 const u8 *mac_addr, bool hw_scan) 3958 { 3959 const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, 3960 rtwvif->sub_entity_idx); 3961 3962 rtwdev->scanning = true; 3963 rtw89_leave_lps(rtwdev); 3964 if (hw_scan) 3965 rtw89_leave_ips_by_hwflags(rtwdev); 3966 3967 ether_addr_copy(rtwvif->mac_addr, mac_addr); 3968 rtw89_btc_ntfy_scan_start(rtwdev, RTW89_PHY_0, chan->band_type); 3969 rtw89_chip_rfk_scan(rtwdev, true); 3970 rtw89_hci_recalc_int_mit(rtwdev); 3971 rtw89_phy_config_edcca(rtwdev, true); 3972 3973 rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, mac_addr); 3974 } 3975 3976 void rtw89_core_scan_complete(struct rtw89_dev *rtwdev, 3977 struct ieee80211_vif *vif, bool hw_scan) 3978 { 3979 struct rtw89_vif *rtwvif = vif ? (struct rtw89_vif *)vif->drv_priv : NULL; 3980 3981 if (!rtwvif) 3982 return; 3983 3984 ether_addr_copy(rtwvif->mac_addr, vif->addr); 3985 rtw89_fw_h2c_cam(rtwdev, rtwvif, NULL, NULL); 3986 3987 rtw89_chip_rfk_scan(rtwdev, false); 3988 rtw89_btc_ntfy_scan_finish(rtwdev, RTW89_PHY_0); 3989 rtw89_phy_config_edcca(rtwdev, false); 3990 3991 rtwdev->scanning = false; 3992 rtwdev->dig.bypass_dig = true; 3993 if (hw_scan && (rtwdev->hw->conf.flags & IEEE80211_CONF_IDLE)) 3994 ieee80211_queue_work(rtwdev->hw, &rtwdev->ips_work); 3995 } 3996 3997 static void rtw89_read_chip_ver(struct rtw89_dev *rtwdev) 3998 { 3999 const struct rtw89_chip_info *chip = rtwdev->chip; 4000 int ret; 4001 u8 val; 4002 u8 cv; 4003 4004 cv = rtw89_read32_mask(rtwdev, R_AX_SYS_CFG1, B_AX_CHIP_VER_MASK); 4005 if (chip->chip_id == RTL8852A && cv <= CHIP_CBV) { 4006 if (rtw89_read32(rtwdev, R_AX_GPIO0_7_FUNC_SEL) == RTW89_R32_DEAD) 4007 cv = CHIP_CAV; 4008 else 4009 cv = CHIP_CBV; 4010 } 4011 4012 rtwdev->hal.cv = cv; 4013 4014 if (chip->chip_id == RTL8852B || chip->chip_id == RTL8851B) { 4015 ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CV, &val); 4016 if (ret) 4017 return; 4018 4019 rtwdev->hal.acv = u8_get_bits(val, XTAL_SI_ACV_MASK); 4020 } 4021 } 4022 4023 static void rtw89_core_setup_phycap(struct rtw89_dev *rtwdev) 4024 { 4025 rtwdev->hal.support_cckpd = 4026 !(rtwdev->chip->chip_id == RTL8852A && rtwdev->hal.cv <= CHIP_CBV) && 4027 !(rtwdev->chip->chip_id == RTL8852B && rtwdev->hal.cv <= CHIP_CAV); 4028 rtwdev->hal.support_igi = 4029 rtwdev->chip->chip_id == RTL8852A && rtwdev->hal.cv <= CHIP_CBV; 4030 } 4031 4032 static void rtw89_core_setup_rfe_parms(struct rtw89_dev *rtwdev) 4033 { 4034 const struct rtw89_chip_info *chip = rtwdev->chip; 4035 const struct rtw89_rfe_parms_conf *conf = chip->rfe_parms_conf; 4036 struct rtw89_efuse *efuse = &rtwdev->efuse; 4037 const struct rtw89_rfe_parms *sel; 4038 u8 rfe_type = efuse->rfe_type; 4039 4040 if (!conf) { 4041 sel = chip->dflt_parms; 4042 goto out; 4043 } 4044 4045 while (conf->rfe_parms) { 4046 if (rfe_type == conf->rfe_type) { 4047 sel = conf->rfe_parms; 4048 goto out; 4049 } 4050 conf++; 4051 } 4052 4053 sel = chip->dflt_parms; 4054 4055 out: 4056 rtwdev->rfe_parms = rtw89_load_rfe_data_from_fw(rtwdev, sel); 4057 rtw89_load_txpwr_table(rtwdev, rtwdev->rfe_parms->byr_tbl); 4058 } 4059 4060 static int rtw89_chip_efuse_info_setup(struct rtw89_dev *rtwdev) 4061 { 4062 int ret; 4063 4064 ret = rtw89_mac_partial_init(rtwdev, false); 4065 if (ret) 4066 return ret; 4067 4068 ret = rtw89_parse_efuse_map(rtwdev); 4069 if (ret) 4070 return ret; 4071 4072 ret = rtw89_parse_phycap_map(rtwdev); 4073 if (ret) 4074 return ret; 4075 4076 ret = rtw89_mac_setup_phycap(rtwdev); 4077 if (ret) 4078 return ret; 4079 4080 rtw89_core_setup_phycap(rtwdev); 4081 4082 rtw89_mac_pwr_off(rtwdev); 4083 4084 return 0; 4085 } 4086 4087 static int rtw89_chip_board_info_setup(struct rtw89_dev *rtwdev) 4088 { 4089 rtw89_chip_fem_setup(rtwdev); 4090 4091 return 0; 4092 } 4093 4094 int rtw89_chip_info_setup(struct rtw89_dev *rtwdev) 4095 { 4096 int ret; 4097 4098 rtw89_read_chip_ver(rtwdev); 4099 4100 ret = rtw89_wait_firmware_completion(rtwdev); 4101 if (ret) { 4102 rtw89_err(rtwdev, "failed to wait firmware completion\n"); 4103 return ret; 4104 } 4105 4106 ret = rtw89_fw_recognize(rtwdev); 4107 if (ret) { 4108 rtw89_err(rtwdev, "failed to recognize firmware\n"); 4109 return ret; 4110 } 4111 4112 ret = rtw89_chip_efuse_info_setup(rtwdev); 4113 if (ret) 4114 return ret; 4115 4116 ret = rtw89_fw_recognize_elements(rtwdev); 4117 if (ret) { 4118 rtw89_err(rtwdev, "failed to recognize firmware elements\n"); 4119 return ret; 4120 } 4121 4122 ret = rtw89_chip_board_info_setup(rtwdev); 4123 if (ret) 4124 return ret; 4125 4126 rtw89_core_setup_rfe_parms(rtwdev); 4127 rtwdev->ps_mode = rtw89_update_ps_mode(rtwdev); 4128 4129 return 0; 4130 } 4131 EXPORT_SYMBOL(rtw89_chip_info_setup); 4132 4133 static int rtw89_core_register_hw(struct rtw89_dev *rtwdev) 4134 { 4135 struct ieee80211_hw *hw = rtwdev->hw; 4136 struct rtw89_efuse *efuse = &rtwdev->efuse; 4137 struct rtw89_hal *hal = &rtwdev->hal; 4138 int ret; 4139 int tx_headroom = IEEE80211_HT_CTL_LEN; 4140 4141 hw->vif_data_size = sizeof(struct rtw89_vif); 4142 hw->sta_data_size = sizeof(struct rtw89_sta); 4143 hw->txq_data_size = sizeof(struct rtw89_txq); 4144 hw->chanctx_data_size = sizeof(struct rtw89_chanctx_cfg); 4145 4146 SET_IEEE80211_PERM_ADDR(hw, efuse->addr); 4147 4148 hw->extra_tx_headroom = tx_headroom; 4149 hw->queues = IEEE80211_NUM_ACS; 4150 hw->max_rx_aggregation_subframes = RTW89_MAX_RX_AGG_NUM; 4151 hw->max_tx_aggregation_subframes = RTW89_MAX_TX_AGG_NUM; 4152 hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL; 4153 4154 ieee80211_hw_set(hw, SIGNAL_DBM); 4155 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 4156 ieee80211_hw_set(hw, MFP_CAPABLE); 4157 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 4158 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 4159 ieee80211_hw_set(hw, RX_INCLUDES_FCS); 4160 ieee80211_hw_set(hw, TX_AMSDU); 4161 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 4162 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 4163 ieee80211_hw_set(hw, SUPPORTS_PS); 4164 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 4165 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 4166 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 4167 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 4168 4169 /* ref: description of rtw89_mcc_get_tbtt_ofst() in chan.c */ 4170 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 4171 4172 if (RTW89_CHK_FW_FEATURE(BEACON_FILTER, &rtwdev->fw)) 4173 ieee80211_hw_set(hw, CONNECTION_MONITOR); 4174 4175 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4176 BIT(NL80211_IFTYPE_AP) | 4177 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4178 BIT(NL80211_IFTYPE_P2P_GO); 4179 4180 if (hal->ant_diversity) { 4181 hw->wiphy->available_antennas_tx = 0x3; 4182 hw->wiphy->available_antennas_rx = 0x3; 4183 } else { 4184 hw->wiphy->available_antennas_tx = BIT(rtwdev->chip->rf_path_num) - 1; 4185 hw->wiphy->available_antennas_rx = BIT(rtwdev->chip->rf_path_num) - 1; 4186 } 4187 4188 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4189 WIPHY_FLAG_TDLS_EXTERNAL_SETUP | 4190 WIPHY_FLAG_AP_UAPSD | WIPHY_FLAG_SPLIT_SCAN_6GHZ; 4191 hw->wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 4192 4193 hw->wiphy->max_scan_ssids = RTW89_SCANOFLD_MAX_SSID; 4194 hw->wiphy->max_scan_ie_len = RTW89_SCANOFLD_MAX_IE_LEN; 4195 4196 #ifdef CONFIG_PM 4197 hw->wiphy->wowlan = rtwdev->chip->wowlan_stub; 4198 #endif 4199 4200 hw->wiphy->tid_config_support.vif |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL); 4201 hw->wiphy->tid_config_support.peer |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL); 4202 hw->wiphy->tid_config_support.vif |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL); 4203 hw->wiphy->tid_config_support.peer |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL); 4204 hw->wiphy->max_remain_on_channel_duration = 1000; 4205 4206 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0); 4207 4208 ret = rtw89_core_set_supported_band(rtwdev); 4209 if (ret) { 4210 rtw89_err(rtwdev, "failed to set supported band\n"); 4211 return ret; 4212 } 4213 4214 ret = rtw89_regd_setup(rtwdev); 4215 if (ret) { 4216 rtw89_err(rtwdev, "failed to set up regd\n"); 4217 goto err_free_supported_band; 4218 } 4219 4220 hw->wiphy->sar_capa = &rtw89_sar_capa; 4221 4222 ret = ieee80211_register_hw(hw); 4223 if (ret) { 4224 rtw89_err(rtwdev, "failed to register hw\n"); 4225 goto err_free_supported_band; 4226 } 4227 4228 ret = rtw89_regd_init(rtwdev, rtw89_regd_notifier); 4229 if (ret) { 4230 rtw89_err(rtwdev, "failed to init regd\n"); 4231 goto err_unregister_hw; 4232 } 4233 4234 return 0; 4235 4236 err_unregister_hw: 4237 ieee80211_unregister_hw(hw); 4238 err_free_supported_band: 4239 rtw89_core_clr_supported_band(rtwdev); 4240 4241 return ret; 4242 } 4243 4244 static void rtw89_core_unregister_hw(struct rtw89_dev *rtwdev) 4245 { 4246 struct ieee80211_hw *hw = rtwdev->hw; 4247 4248 ieee80211_unregister_hw(hw); 4249 rtw89_core_clr_supported_band(rtwdev); 4250 } 4251 4252 int rtw89_core_register(struct rtw89_dev *rtwdev) 4253 { 4254 int ret; 4255 4256 ret = rtw89_core_register_hw(rtwdev); 4257 if (ret) { 4258 rtw89_err(rtwdev, "failed to register core hw\n"); 4259 return ret; 4260 } 4261 4262 rtw89_debugfs_init(rtwdev); 4263 4264 return 0; 4265 } 4266 EXPORT_SYMBOL(rtw89_core_register); 4267 4268 void rtw89_core_unregister(struct rtw89_dev *rtwdev) 4269 { 4270 rtw89_core_unregister_hw(rtwdev); 4271 } 4272 EXPORT_SYMBOL(rtw89_core_unregister); 4273 4274 struct rtw89_dev *rtw89_alloc_ieee80211_hw(struct device *device, 4275 u32 bus_data_size, 4276 const struct rtw89_chip_info *chip) 4277 { 4278 struct rtw89_fw_info early_fw = {}; 4279 const struct firmware *firmware; 4280 struct ieee80211_hw *hw; 4281 struct rtw89_dev *rtwdev; 4282 struct ieee80211_ops *ops; 4283 u32 driver_data_size; 4284 int fw_format = -1; 4285 bool no_chanctx; 4286 4287 firmware = rtw89_early_fw_feature_recognize(device, chip, &early_fw, &fw_format); 4288 4289 ops = kmemdup(&rtw89_ops, sizeof(rtw89_ops), GFP_KERNEL); 4290 if (!ops) 4291 goto err; 4292 4293 no_chanctx = chip->support_chanctx_num == 0 || 4294 !RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD, &early_fw) || 4295 !RTW89_CHK_FW_FEATURE(BEACON_FILTER, &early_fw); 4296 4297 if (no_chanctx) { 4298 ops->add_chanctx = NULL; 4299 ops->remove_chanctx = NULL; 4300 ops->change_chanctx = NULL; 4301 ops->assign_vif_chanctx = NULL; 4302 ops->unassign_vif_chanctx = NULL; 4303 ops->remain_on_channel = NULL; 4304 ops->cancel_remain_on_channel = NULL; 4305 } 4306 4307 driver_data_size = sizeof(struct rtw89_dev) + bus_data_size; 4308 hw = ieee80211_alloc_hw(driver_data_size, ops); 4309 if (!hw) 4310 goto err; 4311 4312 hw->wiphy->iface_combinations = rtw89_iface_combs; 4313 4314 if (no_chanctx || chip->support_chanctx_num == 1) 4315 hw->wiphy->n_iface_combinations = 1; 4316 else 4317 hw->wiphy->n_iface_combinations = ARRAY_SIZE(rtw89_iface_combs); 4318 4319 rtwdev = hw->priv; 4320 rtwdev->hw = hw; 4321 rtwdev->dev = device; 4322 rtwdev->ops = ops; 4323 rtwdev->chip = chip; 4324 rtwdev->fw.req.firmware = firmware; 4325 rtwdev->fw.fw_format = fw_format; 4326 4327 rtw89_debug(rtwdev, RTW89_DBG_FW, "probe driver %s chanctx\n", 4328 no_chanctx ? "without" : "with"); 4329 4330 return rtwdev; 4331 4332 err: 4333 kfree(ops); 4334 release_firmware(firmware); 4335 return NULL; 4336 } 4337 EXPORT_SYMBOL(rtw89_alloc_ieee80211_hw); 4338 4339 void rtw89_free_ieee80211_hw(struct rtw89_dev *rtwdev) 4340 { 4341 kfree(rtwdev->ops); 4342 kfree(rtwdev->rfe_data); 4343 release_firmware(rtwdev->fw.req.firmware); 4344 ieee80211_free_hw(rtwdev->hw); 4345 } 4346 EXPORT_SYMBOL(rtw89_free_ieee80211_hw); 4347 4348 MODULE_AUTHOR("Realtek Corporation"); 4349 MODULE_DESCRIPTION("Realtek 802.11ax wireless core module"); 4350 MODULE_LICENSE("Dual BSD/GPL"); 4351