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base.c
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linux-6.19.14/drivers/net/wireless/realtek/rtlwifi/base.c
1// SPDX-License-Identifier: GPL-2.0 2/* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4#include "wifi.h" 5#include "rc.h" 6#include "base.h" 7#include "efuse.h" 8#include "cam.h" 9#include "ps.h" 10#include "regd.h" 11#include "pci.h" 12#include <linux/ip.h> 13#include <linux/module.h> 14#include <linux/udp.h> 15 16/* 17 *NOTICE!!!: This file will be very big, we should 18 *keep it clear under following roles: 19 * 20 *This file include following parts, so, if you add new 21 *functions into this file, please check which part it 22 *should includes. or check if you should add new part 23 *for this file: 24 * 25 *1) mac80211 init functions 26 *2) tx information functions 27 *3) functions called by core.c 28 *4) wq & timer callback functions 29 *5) frame process functions 30 *6) IOT functions 31 *7) sysfs functions 32 *8) vif functions 33 *9) ... 34 */ 35 36/********************************************************* 37 * 38 * mac80211 init functions 39 * 40 *********************************************************/ 41static struct ieee80211_channel rtl_channeltable_2g[] = { 42 {.center_freq = 2412, .hw_value = 1,}, 43 {.center_freq = 2417, .hw_value = 2,}, 44 {.center_freq = 2422, .hw_value = 3,}, 45 {.center_freq = 2427, .hw_value = 4,}, 46 {.center_freq = 2432, .hw_value = 5,}, 47 {.center_freq = 2437, .hw_value = 6,}, 48 {.center_freq = 2442, .hw_value = 7,}, 49 {.center_freq = 2447, .hw_value = 8,}, 50 {.center_freq = 2452, .hw_value = 9,}, 51 {.center_freq = 2457, .hw_value = 10,}, 52 {.center_freq = 2462, .hw_value = 11,}, 53 {.center_freq = 2467, .hw_value = 12,}, 54 {.center_freq = 2472, .hw_value = 13,}, 55 {.center_freq = 2484, .hw_value = 14,}, 56}; 57 58static struct ieee80211_channel rtl_channeltable_5g[] = { 59 {.center_freq = 5180, .hw_value = 36,}, 60 {.center_freq = 5200, .hw_value = 40,}, 61 {.center_freq = 5220, .hw_value = 44,}, 62 {.center_freq = 5240, .hw_value = 48,}, 63 {.center_freq = 5260, .hw_value = 52,}, 64 {.center_freq = 5280, .hw_value = 56,}, 65 {.center_freq = 5300, .hw_value = 60,}, 66 {.center_freq = 5320, .hw_value = 64,}, 67 {.center_freq = 5500, .hw_value = 100,}, 68 {.center_freq = 5520, .hw_value = 104,}, 69 {.center_freq = 5540, .hw_value = 108,}, 70 {.center_freq = 5560, .hw_value = 112,}, 71 {.center_freq = 5580, .hw_value = 116,}, 72 {.center_freq = 5600, .hw_value = 120,}, 73 {.center_freq = 5620, .hw_value = 124,}, 74 {.center_freq = 5640, .hw_value = 128,}, 75 {.center_freq = 5660, .hw_value = 132,}, 76 {.center_freq = 5680, .hw_value = 136,}, 77 {.center_freq = 5700, .hw_value = 140,}, 78 {.center_freq = 5745, .hw_value = 149,}, 79 {.center_freq = 5765, .hw_value = 153,}, 80 {.center_freq = 5785, .hw_value = 157,}, 81 {.center_freq = 5805, .hw_value = 161,}, 82 {.center_freq = 5825, .hw_value = 165,}, 83}; 84 85static struct ieee80211_rate rtl_ratetable_2g[] = { 86 {.bitrate = 10, .hw_value = 0x00,}, 87 {.bitrate = 20, .hw_value = 0x01,}, 88 {.bitrate = 55, .hw_value = 0x02,}, 89 {.bitrate = 110, .hw_value = 0x03,}, 90 {.bitrate = 60, .hw_value = 0x04,}, 91 {.bitrate = 90, .hw_value = 0x05,}, 92 {.bitrate = 120, .hw_value = 0x06,}, 93 {.bitrate = 180, .hw_value = 0x07,}, 94 {.bitrate = 240, .hw_value = 0x08,}, 95 {.bitrate = 360, .hw_value = 0x09,}, 96 {.bitrate = 480, .hw_value = 0x0a,}, 97 {.bitrate = 540, .hw_value = 0x0b,}, 98}; 99 100static struct ieee80211_rate rtl_ratetable_5g[] = { 101 {.bitrate = 60, .hw_value = 0x04,}, 102 {.bitrate = 90, .hw_value = 0x05,}, 103 {.bitrate = 120, .hw_value = 0x06,}, 104 {.bitrate = 180, .hw_value = 0x07,}, 105 {.bitrate = 240, .hw_value = 0x08,}, 106 {.bitrate = 360, .hw_value = 0x09,}, 107 {.bitrate = 480, .hw_value = 0x0a,}, 108 {.bitrate = 540, .hw_value = 0x0b,}, 109}; 110 111static const struct ieee80211_supported_band rtl_band_2ghz = { 112 .band = NL80211_BAND_2GHZ, 113 114 .channels = rtl_channeltable_2g, 115 .n_channels = ARRAY_SIZE(rtl_channeltable_2g), 116 117 .bitrates = rtl_ratetable_2g, 118 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g), 119 120 .ht_cap = {0}, 121}; 122 123static struct ieee80211_supported_band rtl_band_5ghz = { 124 .band = NL80211_BAND_5GHZ, 125 126 .channels = rtl_channeltable_5g, 127 .n_channels = ARRAY_SIZE(rtl_channeltable_5g), 128 129 .bitrates = rtl_ratetable_5g, 130 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g), 131 132 .ht_cap = {0}, 133}; 134 135static const u8 tid_to_ac[] = { 136 2, /* IEEE80211_AC_BE */ 137 3, /* IEEE80211_AC_BK */ 138 3, /* IEEE80211_AC_BK */ 139 2, /* IEEE80211_AC_BE */ 140 1, /* IEEE80211_AC_VI */ 141 1, /* IEEE80211_AC_VI */ 142 0, /* IEEE80211_AC_VO */ 143 0, /* IEEE80211_AC_VO */ 144}; 145 146u8 rtl_tid_to_ac(u8 tid) 147{ 148 return tid_to_ac[tid]; 149} 150EXPORT_SYMBOL_GPL(rtl_tid_to_ac); 151 152static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, 153 struct ieee80211_sta_ht_cap *ht_cap) 154{ 155 struct rtl_priv *rtlpriv = rtl_priv(hw); 156 struct rtl_phy *rtlphy = &(rtlpriv->phy); 157 158 ht_cap->ht_supported = true; 159 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 160 IEEE80211_HT_CAP_SGI_40 | 161 IEEE80211_HT_CAP_SGI_20 | 162 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU; 163 164 if (rtlpriv->rtlhal.disable_amsdu_8k) 165 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 166 167 /* 168 *Maximum length of AMPDU that the STA can receive. 169 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 170 */ 171 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 172 173 /*Minimum MPDU start spacing , */ 174 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; 175 176 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 177 178 /*hw->wiphy->bands[NL80211_BAND_2GHZ] 179 *base on ant_num 180 *rx_mask: RX mask 181 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7 182 *if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15 183 *if rx_ant >= 3 rx_mask[2]= 0xff; 184 *if BW_40 rx_mask[4]= 0x01; 185 *highest supported RX rate 186 */ 187 if (rtlpriv->dm.supp_phymode_switch) { 188 pr_info("Support phy mode switch\n"); 189 190 ht_cap->mcs.rx_mask[0] = 0xFF; 191 ht_cap->mcs.rx_mask[1] = 0xFF; 192 ht_cap->mcs.rx_mask[4] = 0x01; 193 194 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); 195 } else { 196 if (get_rf_type(rtlphy) == RF_1T2R || 197 get_rf_type(rtlphy) == RF_2T2R) { 198 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, 199 "1T2R or 2T2R\n"); 200 ht_cap->mcs.rx_mask[0] = 0xFF; 201 ht_cap->mcs.rx_mask[1] = 0xFF; 202 ht_cap->mcs.rx_mask[4] = 0x01; 203 204 ht_cap->mcs.rx_highest = 205 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); 206 } else if (get_rf_type(rtlphy) == RF_1T1R) { 207 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n"); 208 209 ht_cap->mcs.rx_mask[0] = 0xFF; 210 ht_cap->mcs.rx_mask[1] = 0x00; 211 ht_cap->mcs.rx_mask[4] = 0x01; 212 213 ht_cap->mcs.rx_highest = 214 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7); 215 } 216 } 217} 218 219static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw, 220 struct ieee80211_sta_vht_cap *vht_cap) 221{ 222 struct rtl_priv *rtlpriv = rtl_priv(hw); 223 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 224 225 if (!(rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT)) 226 return; 227 228 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE || 229 rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) { 230 u16 mcs_map; 231 232 vht_cap->vht_supported = true; 233 vht_cap->cap = 234 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 235 IEEE80211_VHT_CAP_SHORT_GI_80 | 236 IEEE80211_VHT_CAP_TXSTBC | 237 IEEE80211_VHT_CAP_RXSTBC_1 | 238 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 239 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 240 IEEE80211_VHT_CAP_HTC_VHT | 241 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 242 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 243 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 244 0; 245 246 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 247 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | 248 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 249 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 250 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 251 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 252 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 253 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 254 255 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 256 vht_cap->vht_mcs.rx_highest = 257 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 258 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 259 vht_cap->vht_mcs.tx_highest = 260 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 261 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) { 262 u16 mcs_map; 263 264 vht_cap->vht_supported = true; 265 vht_cap->cap = 266 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 267 IEEE80211_VHT_CAP_SHORT_GI_80 | 268 IEEE80211_VHT_CAP_TXSTBC | 269 IEEE80211_VHT_CAP_RXSTBC_1 | 270 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 271 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 272 IEEE80211_VHT_CAP_HTC_VHT | 273 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 274 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 275 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 276 0; 277 278 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 279 IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 | 280 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 281 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 282 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 283 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 284 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 285 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 286 287 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 288 vht_cap->vht_mcs.rx_highest = 289 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); 290 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 291 vht_cap->vht_mcs.tx_highest = 292 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); 293 } 294} 295 296static void _rtl_init_mac80211(struct ieee80211_hw *hw) 297{ 298 struct rtl_priv *rtlpriv = rtl_priv(hw); 299 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 300 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 301 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 302 struct ieee80211_supported_band *sband; 303 304 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && 305 rtlhal->bandset == BAND_ON_BOTH) { 306 /* 1: 2.4 G bands */ 307 /* <1> use mac->bands as mem for hw->wiphy->bands */ 308 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]); 309 310 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ] 311 * to default value(1T1R) */ 312 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), &rtl_band_2ghz, 313 sizeof(struct ieee80211_supported_band)); 314 315 /* <3> init ht cap base on ant_num */ 316 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 317 318 /* <4> set mac->sband to wiphy->sband */ 319 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 320 321 /* 2: 5 G bands */ 322 /* <1> use mac->bands as mem for hw->wiphy->bands */ 323 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]); 324 325 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ] 326 * to default value(1T1R) */ 327 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), &rtl_band_5ghz, 328 sizeof(struct ieee80211_supported_band)); 329 330 /* <3> init ht cap base on ant_num */ 331 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 332 333 _rtl_init_hw_vht_capab(hw, &sband->vht_cap); 334 /* <4> set mac->sband to wiphy->sband */ 335 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; 336 } else { 337 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 338 /* <1> use mac->bands as mem for hw->wiphy->bands */ 339 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]); 340 341 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ] 342 * to default value(1T1R) */ 343 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), 344 &rtl_band_2ghz, 345 sizeof(struct ieee80211_supported_band)); 346 347 /* <3> init ht cap base on ant_num */ 348 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 349 350 /* <4> set mac->sband to wiphy->sband */ 351 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 352 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 353 /* <1> use mac->bands as mem for hw->wiphy->bands */ 354 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]); 355 356 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ] 357 * to default value(1T1R) */ 358 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), 359 &rtl_band_5ghz, 360 sizeof(struct ieee80211_supported_band)); 361 362 /* <3> init ht cap base on ant_num */ 363 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 364 365 _rtl_init_hw_vht_capab(hw, &sband->vht_cap); 366 /* <4> set mac->sband to wiphy->sband */ 367 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; 368 } else { 369 pr_err("Err BAND %d\n", 370 rtlhal->current_bandtype); 371 } 372 } 373 /* <5> set hw caps */ 374 ieee80211_hw_set(hw, SIGNAL_DBM); 375 ieee80211_hw_set(hw, RX_INCLUDES_FCS); 376 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 377 ieee80211_hw_set(hw, MFP_CAPABLE); 378 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 379 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 380 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 381 382 /* swlps or hwlps has been set in diff chip in init_sw_vars */ 383 if (rtlpriv->psc.swctrl_lps) { 384 ieee80211_hw_set(hw, SUPPORTS_PS); 385 ieee80211_hw_set(hw, PS_NULLFUNC_STACK); 386 } 387 if (rtlpriv->psc.fwctrl_lps) { 388 ieee80211_hw_set(hw, SUPPORTS_PS); 389 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 390 } 391 hw->wiphy->interface_modes = 392 BIT(NL80211_IFTYPE_AP) | 393 BIT(NL80211_IFTYPE_STATION) | 394 BIT(NL80211_IFTYPE_ADHOC) | 395 BIT(NL80211_IFTYPE_MESH_POINT) | 396 BIT(NL80211_IFTYPE_P2P_CLIENT) | 397 BIT(NL80211_IFTYPE_P2P_GO); 398 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 399 400 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 401 402 hw->wiphy->rts_threshold = 2347; 403 404 hw->queues = AC_MAX; 405 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; 406 407 /* TODO: Correct this value for our hw */ 408 hw->max_listen_interval = MAX_LISTEN_INTERVAL; 409 hw->max_rate_tries = MAX_RATE_TRIES; 410 /* hw->max_rates = 1; */ 411 hw->sta_data_size = sizeof(struct rtl_sta_info); 412 413/* wowlan is not supported by kernel if CONFIG_PM is not defined */ 414#ifdef CONFIG_PM 415 if (rtlpriv->psc.wo_wlan_mode) { 416 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET) 417 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT; 418 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) { 419 rtlpriv->wowlan.n_patterns = 420 MAX_SUPPORT_WOL_PATTERN_NUM; 421 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE; 422 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE; 423 } 424 hw->wiphy->wowlan = &rtlpriv->wowlan; 425 } 426#endif 427 428 /* <6> mac address */ 429 if (is_valid_ether_addr(rtlefuse->dev_addr)) { 430 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); 431 } else { 432 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; 433 434 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1); 435 SET_IEEE80211_PERM_ADDR(hw, rtlmac1); 436 } 437} 438 439static void rtl_watchdog_wq_callback(struct work_struct *work); 440static void rtl_fwevt_wq_callback(struct work_struct *work); 441static void rtl_c2hcmd_wq_callback(struct work_struct *work); 442 443static int _rtl_init_deferred_work(struct ieee80211_hw *hw) 444{ 445 struct rtl_priv *rtlpriv = rtl_priv(hw); 446 struct workqueue_struct *wq; 447 448 wq = alloc_workqueue("%s", WQ_UNBOUND, 0, rtlpriv->cfg->name); 449 if (!wq) 450 return -ENOMEM; 451 452 /* <1> timer */ 453 timer_setup(&rtlpriv->works.watchdog_timer, 454 rtl_watch_dog_timer_callback, 0); 455 456 /* <2> work queue */ 457 rtlpriv->works.hw = hw; 458 rtlpriv->works.rtl_wq = wq; 459 460 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, 461 rtl_watchdog_wq_callback); 462 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, 463 rtl_ips_nic_off_wq_callback); 464 INIT_DELAYED_WORK(&rtlpriv->works.ps_work, rtl_swlps_wq_callback); 465 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, 466 rtl_swlps_rfon_wq_callback); 467 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, rtl_fwevt_wq_callback); 468 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, rtl_c2hcmd_wq_callback); 469 return 0; 470} 471 472void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq) 473{ 474 struct rtl_priv *rtlpriv = rtl_priv(hw); 475 476 timer_delete_sync(&rtlpriv->works.watchdog_timer); 477 478 cancel_delayed_work_sync(&rtlpriv->works.watchdog_wq); 479 if (ips_wq) 480 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); 481 else 482 cancel_delayed_work_sync(&rtlpriv->works.ips_nic_off_wq); 483 cancel_delayed_work_sync(&rtlpriv->works.ps_work); 484 cancel_delayed_work_sync(&rtlpriv->works.ps_rfon_wq); 485 cancel_delayed_work_sync(&rtlpriv->works.fwevt_wq); 486 cancel_delayed_work_sync(&rtlpriv->works.c2hcmd_wq); 487} 488EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); 489 490void rtl_init_rfkill(struct ieee80211_hw *hw) 491{ 492 struct rtl_priv *rtlpriv = rtl_priv(hw); 493 494 bool radio_state; 495 bool blocked; 496 u8 valid = 0; 497 498 /*set init state to on */ 499 rtlpriv->rfkill.rfkill_state = true; 500 wiphy_rfkill_set_hw_state(hw->wiphy, 0); 501 502 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 503 504 if (valid) { 505 pr_info("rtlwifi: wireless switch is %s\n", 506 rtlpriv->rfkill.rfkill_state ? "on" : "off"); 507 508 rtlpriv->rfkill.rfkill_state = radio_state; 509 510 blocked = rtlpriv->rfkill.rfkill_state != 1; 511 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 512 } 513 514 wiphy_rfkill_start_polling(hw->wiphy); 515} 516EXPORT_SYMBOL(rtl_init_rfkill); 517 518void rtl_deinit_rfkill(struct ieee80211_hw *hw) 519{ 520 wiphy_rfkill_stop_polling(hw->wiphy); 521} 522EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); 523 524int rtl_init_core(struct ieee80211_hw *hw) 525{ 526 struct rtl_priv *rtlpriv = rtl_priv(hw); 527 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 528 529 /* <1> init mac80211 */ 530 _rtl_init_mac80211(hw); 531 rtlmac->hw = hw; 532 533 /* <2> rate control register */ 534 hw->rate_control_algorithm = "rtl_rc"; 535 536 /* 537 * <3> init CRDA must come after init 538 * mac80211 hw in _rtl_init_mac80211. 539 */ 540 if (rtl_regd_init(hw, rtl_reg_notifier)) { 541 pr_err("REGD init failed\n"); 542 return 1; 543 } 544 545 /* <4> locks */ 546 mutex_init(&rtlpriv->locks.conf_mutex); 547 mutex_init(&rtlpriv->locks.ips_mutex); 548 mutex_init(&rtlpriv->locks.lps_mutex); 549 spin_lock_init(&rtlpriv->locks.irq_th_lock); 550 spin_lock_init(&rtlpriv->locks.h2c_lock); 551 spin_lock_init(&rtlpriv->locks.rf_ps_lock); 552 spin_lock_init(&rtlpriv->locks.rf_lock); 553 spin_lock_init(&rtlpriv->locks.waitq_lock); 554 spin_lock_init(&rtlpriv->locks.entry_list_lock); 555 spin_lock_init(&rtlpriv->locks.scan_list_lock); 556 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); 557 spin_lock_init(&rtlpriv->locks.fw_ps_lock); 558 spin_lock_init(&rtlpriv->locks.iqk_lock); 559 /* <5> init list */ 560 INIT_LIST_HEAD(&rtlpriv->entry_list); 561 INIT_LIST_HEAD(&rtlpriv->scan_list.list); 562 skb_queue_head_init(&rtlpriv->tx_report.queue); 563 skb_queue_head_init(&rtlpriv->c2hcmd_queue); 564 565 rtlmac->link_state = MAC80211_NOLINK; 566 567 /* <6> init deferred work */ 568 return _rtl_init_deferred_work(hw); 569} 570EXPORT_SYMBOL_GPL(rtl_init_core); 571 572static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw); 573static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, 574 bool timeout); 575 576void rtl_deinit_core(struct ieee80211_hw *hw) 577{ 578 struct rtl_priv *rtlpriv = rtl_priv(hw); 579 580 rtl_c2hcmd_launcher(hw, 0); 581 rtl_free_entries_from_scan_list(hw); 582 rtl_free_entries_from_ack_queue(hw, false); 583 if (rtlpriv->works.rtl_wq) { 584 destroy_workqueue(rtlpriv->works.rtl_wq); 585 rtlpriv->works.rtl_wq = NULL; 586 } 587} 588EXPORT_SYMBOL_GPL(rtl_deinit_core); 589 590void rtl_init_rx_config(struct ieee80211_hw *hw) 591{ 592 struct rtl_priv *rtlpriv = rtl_priv(hw); 593 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 594 595 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); 596} 597EXPORT_SYMBOL_GPL(rtl_init_rx_config); 598 599/********************************************************* 600 * 601 * tx information functions 602 * 603 *********************************************************/ 604static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, 605 struct rtl_tcb_desc *tcb_desc, 606 struct ieee80211_tx_info *info) 607{ 608 struct rtl_priv *rtlpriv = rtl_priv(hw); 609 u8 rate_flag = info->control.rates[0].flags; 610 611 tcb_desc->use_shortpreamble = false; 612 613 /* 1M can only use Long Preamble. 11B spec */ 614 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) 615 return; 616 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 617 tcb_desc->use_shortpreamble = true; 618 619 return; 620} 621 622static void _rtl_query_shortgi(struct ieee80211_hw *hw, 623 struct ieee80211_sta *sta, 624 struct rtl_tcb_desc *tcb_desc, 625 struct ieee80211_tx_info *info) 626{ 627 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 628 u8 rate_flag = info->control.rates[0].flags; 629 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; 630 u8 sgi_80 = 0, bw_80 = 0; 631 632 tcb_desc->use_shortgi = false; 633 634 if (sta == NULL) 635 return; 636 637 sgi_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 638 sgi_20 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 639 sgi_80 = sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; 640 641 if (!sta->deflink.ht_cap.ht_supported && 642 !sta->deflink.vht_cap.vht_supported) 643 return; 644 645 if (!sgi_40 && !sgi_20) 646 return; 647 648 if (mac->opmode == NL80211_IFTYPE_STATION) { 649 bw_40 = mac->bw_40; 650 bw_80 = mac->bw_80; 651 } else if (mac->opmode == NL80211_IFTYPE_AP || 652 mac->opmode == NL80211_IFTYPE_ADHOC || 653 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 654 bw_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; 655 bw_80 = sta->deflink.vht_cap.vht_supported; 656 } 657 658 if (bw_80) { 659 if (sgi_80) 660 tcb_desc->use_shortgi = true; 661 else 662 tcb_desc->use_shortgi = false; 663 } else { 664 if (bw_40 && sgi_40) 665 tcb_desc->use_shortgi = true; 666 else if (!bw_40 && sgi_20) 667 tcb_desc->use_shortgi = true; 668 } 669 670 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) 671 tcb_desc->use_shortgi = false; 672} 673 674static void _rtl_query_protection_mode(struct ieee80211_hw *hw, 675 struct rtl_tcb_desc *tcb_desc, 676 struct ieee80211_tx_info *info) 677{ 678 struct rtl_priv *rtlpriv = rtl_priv(hw); 679 u8 rate_flag = info->control.rates[0].flags; 680 681 /* Common Settings */ 682 tcb_desc->rts_stbc = false; 683 tcb_desc->cts_enable = false; 684 tcb_desc->rts_sc = 0; 685 tcb_desc->rts_bw = false; 686 tcb_desc->rts_use_shortpreamble = false; 687 tcb_desc->rts_use_shortgi = false; 688 689 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { 690 /* Use CTS-to-SELF in protection mode. */ 691 tcb_desc->rts_enable = true; 692 tcb_desc->cts_enable = true; 693 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 694 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { 695 /* Use RTS-CTS in protection mode. */ 696 tcb_desc->rts_enable = true; 697 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 698 } 699} 700 701u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index, 702 enum wireless_mode wirelessmode) 703{ 704 struct rtl_priv *rtlpriv = rtl_priv(hw); 705 struct rtl_phy *rtlphy = &rtlpriv->phy; 706 u8 ret = 0; 707 708 switch (rate_index) { 709 case RATR_INX_WIRELESS_NGB: 710 if (rtlphy->rf_type == RF_1T1R) 711 ret = RATEID_IDX_BGN_40M_1SS; 712 else 713 ret = RATEID_IDX_BGN_40M_2SS; 714 ; break; 715 case RATR_INX_WIRELESS_N: 716 case RATR_INX_WIRELESS_NG: 717 if (rtlphy->rf_type == RF_1T1R) 718 ret = RATEID_IDX_GN_N1SS; 719 else 720 ret = RATEID_IDX_GN_N2SS; 721 ; break; 722 case RATR_INX_WIRELESS_NB: 723 if (rtlphy->rf_type == RF_1T1R) 724 ret = RATEID_IDX_BGN_20M_1SS_BN; 725 else 726 ret = RATEID_IDX_BGN_20M_2SS_BN; 727 ; break; 728 case RATR_INX_WIRELESS_GB: 729 ret = RATEID_IDX_BG; 730 break; 731 case RATR_INX_WIRELESS_G: 732 ret = RATEID_IDX_G; 733 break; 734 case RATR_INX_WIRELESS_B: 735 ret = RATEID_IDX_B; 736 break; 737 case RATR_INX_WIRELESS_MC: 738 if (wirelessmode == WIRELESS_MODE_B || 739 wirelessmode == WIRELESS_MODE_G || 740 wirelessmode == WIRELESS_MODE_N_24G || 741 wirelessmode == WIRELESS_MODE_AC_24G) 742 ret = RATEID_IDX_BG; 743 else 744 ret = RATEID_IDX_G; 745 break; 746 case RATR_INX_WIRELESS_AC_5N: 747 if (rtlphy->rf_type == RF_1T1R) 748 ret = RATEID_IDX_VHT_1SS; 749 else 750 ret = RATEID_IDX_VHT_2SS; 751 break; 752 case RATR_INX_WIRELESS_AC_24N: 753 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 754 if (rtlphy->rf_type == RF_1T1R) 755 ret = RATEID_IDX_VHT_1SS; 756 else 757 ret = RATEID_IDX_VHT_2SS; 758 } else { 759 if (rtlphy->rf_type == RF_1T1R) 760 ret = RATEID_IDX_MIX1; 761 else 762 ret = RATEID_IDX_MIX2; 763 } 764 break; 765 default: 766 ret = RATEID_IDX_BGN_40M_2SS; 767 break; 768 } 769 return ret; 770} 771EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id); 772 773static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, 774 struct ieee80211_sta *sta, 775 struct rtl_tcb_desc *tcb_desc) 776{ 777#define SET_RATE_ID(rate_id) \ 778 ({typeof(rate_id) _id = rate_id; \ 779 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 780 rtl_mrate_idx_to_arfr_id(hw, _id, \ 781 (sta_entry ? sta_entry->wireless_mode : \ 782 WIRELESS_MODE_G)) : \ 783 _id); }) 784 785 struct rtl_priv *rtlpriv = rtl_priv(hw); 786 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 787 struct rtl_sta_info *sta_entry = NULL; 788 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 789 790 if (sta) { 791 sta_entry = (struct rtl_sta_info *) sta->drv_priv; 792 ratr_index = sta_entry->ratr_index; 793 } 794 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { 795 if (mac->opmode == NL80211_IFTYPE_STATION) { 796 tcb_desc->ratr_index = 0; 797 } else if (mac->opmode == NL80211_IFTYPE_ADHOC || 798 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 799 if (tcb_desc->multicast || tcb_desc->broadcast) { 800 tcb_desc->hw_rate = 801 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; 802 tcb_desc->use_driver_rate = 1; 803 tcb_desc->ratr_index = 804 SET_RATE_ID(RATR_INX_WIRELESS_MC); 805 } else { 806 tcb_desc->ratr_index = ratr_index; 807 } 808 } else if (mac->opmode == NL80211_IFTYPE_AP) { 809 tcb_desc->ratr_index = ratr_index; 810 } 811 } 812 813 if (rtlpriv->dm.useramask) { 814 tcb_desc->ratr_index = ratr_index; 815 /* TODO we will differentiate adhoc and station future */ 816 if (mac->opmode == NL80211_IFTYPE_STATION || 817 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 818 tcb_desc->mac_id = 0; 819 820 if (sta && 821 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID)) 822 ; /* use sta_entry->ratr_index */ 823 else if (mac->mode == WIRELESS_MODE_AC_5G) 824 tcb_desc->ratr_index = 825 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N); 826 else if (mac->mode == WIRELESS_MODE_AC_24G) 827 tcb_desc->ratr_index = 828 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N); 829 else if (mac->mode == WIRELESS_MODE_N_24G) 830 tcb_desc->ratr_index = 831 SET_RATE_ID(RATR_INX_WIRELESS_NGB); 832 else if (mac->mode == WIRELESS_MODE_N_5G) 833 tcb_desc->ratr_index = 834 SET_RATE_ID(RATR_INX_WIRELESS_NG); 835 else if (mac->mode & WIRELESS_MODE_G) 836 tcb_desc->ratr_index = 837 SET_RATE_ID(RATR_INX_WIRELESS_GB); 838 else if (mac->mode & WIRELESS_MODE_B) 839 tcb_desc->ratr_index = 840 SET_RATE_ID(RATR_INX_WIRELESS_B); 841 else if (mac->mode & WIRELESS_MODE_A) 842 tcb_desc->ratr_index = 843 SET_RATE_ID(RATR_INX_WIRELESS_G); 844 845 } else if (mac->opmode == NL80211_IFTYPE_AP || 846 mac->opmode == NL80211_IFTYPE_ADHOC) { 847 if (NULL != sta) { 848 if (sta->aid > 0) 849 tcb_desc->mac_id = sta->aid + 1; 850 else 851 tcb_desc->mac_id = 1; 852 } else { 853 tcb_desc->mac_id = 0; 854 } 855 } 856 } 857#undef SET_RATE_ID 858} 859 860static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, 861 struct ieee80211_sta *sta, 862 struct rtl_tcb_desc *tcb_desc) 863{ 864 struct rtl_priv *rtlpriv = rtl_priv(hw); 865 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 866 867 tcb_desc->packet_bw = false; 868 if (!sta) 869 return; 870 if (mac->opmode == NL80211_IFTYPE_AP || 871 mac->opmode == NL80211_IFTYPE_ADHOC || 872 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 873 if (!(sta->deflink.ht_cap.ht_supported) || 874 !(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 875 return; 876 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 877 if (!mac->bw_40 || !(sta->deflink.ht_cap.ht_supported)) 878 return; 879 } 880 if (tcb_desc->multicast || tcb_desc->broadcast) 881 return; 882 883 /*use legency rate, shall use 20MHz */ 884 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) 885 return; 886 887 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; 888 889 if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) { 890 if (mac->opmode == NL80211_IFTYPE_AP || 891 mac->opmode == NL80211_IFTYPE_ADHOC || 892 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 893 if (!(sta->deflink.vht_cap.vht_supported)) 894 return; 895 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 896 if (!mac->bw_80 || 897 !(sta->deflink.vht_cap.vht_supported)) 898 return; 899 } 900 if (tcb_desc->hw_rate <= 901 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) 902 return; 903 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; 904 } 905} 906 907static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, 908 struct ieee80211_sta *sta) 909{ 910 struct rtl_priv *rtlpriv = rtl_priv(hw); 911 struct rtl_phy *rtlphy = &(rtlpriv->phy); 912 u8 hw_rate; 913 u16 tx_mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.tx_mcs_map); 914 915 if ((get_rf_type(rtlphy) == RF_2T2R) && 916 (tx_mcs_map & 0x000c) != 0x000c) { 917 if ((tx_mcs_map & 0x000c) >> 2 == 918 IEEE80211_VHT_MCS_SUPPORT_0_7) 919 hw_rate = 920 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; 921 else if ((tx_mcs_map & 0x000c) >> 2 == 922 IEEE80211_VHT_MCS_SUPPORT_0_8) 923 hw_rate = 924 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8]; 925 else 926 hw_rate = 927 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 928 } else { 929 if ((tx_mcs_map & 0x0003) == 930 IEEE80211_VHT_MCS_SUPPORT_0_7) 931 hw_rate = 932 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; 933 else if ((tx_mcs_map & 0x0003) == 934 IEEE80211_VHT_MCS_SUPPORT_0_8) 935 hw_rate = 936 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8]; 937 else 938 hw_rate = 939 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 940 } 941 942 return hw_rate; 943} 944 945static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, 946 struct ieee80211_sta *sta) 947{ 948 struct rtl_priv *rtlpriv = rtl_priv(hw); 949 struct rtl_phy *rtlphy = &rtlpriv->phy; 950 u8 hw_rate; 951 952 if (get_rf_type(rtlphy) == RF_2T2R && 953 sta->deflink.ht_cap.mcs.rx_mask[1] != 0) 954 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; 955 else 956 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; 957 958 return hw_rate; 959} 960 961/* mac80211's rate_idx is like this: 962 * 963 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ 964 * 965 * B/G rate: 966 * (rx_status->flag & RX_FLAG_HT) = 0, 967 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, 968 * 969 * N rate: 970 * (rx_status->flag & RX_FLAG_HT) = 1, 971 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 972 * 973 * 5G band:rx_status->band == NL80211_BAND_5GHZ 974 * A rate: 975 * (rx_status->flag & RX_FLAG_HT) = 0, 976 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, 977 * 978 * N rate: 979 * (rx_status->flag & RX_FLAG_HT) = 1, 980 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 981 * 982 * VHT rates: 983 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 984 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 985 */ 986int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, 987 u8 desc_rate) 988{ 989 int rate_idx; 990 991 if (isvht) { 992 switch (desc_rate) { 993 case DESC_RATEVHT1SS_MCS0: 994 rate_idx = 0; 995 break; 996 case DESC_RATEVHT1SS_MCS1: 997 rate_idx = 1; 998 break; 999 case DESC_RATEVHT1SS_MCS2: 1000 rate_idx = 2; 1001 break; 1002 case DESC_RATEVHT1SS_MCS3: 1003 rate_idx = 3; 1004 break; 1005 case DESC_RATEVHT1SS_MCS4: 1006 rate_idx = 4; 1007 break; 1008 case DESC_RATEVHT1SS_MCS5: 1009 rate_idx = 5; 1010 break; 1011 case DESC_RATEVHT1SS_MCS6: 1012 rate_idx = 6; 1013 break; 1014 case DESC_RATEVHT1SS_MCS7: 1015 rate_idx = 7; 1016 break; 1017 case DESC_RATEVHT1SS_MCS8: 1018 rate_idx = 8; 1019 break; 1020 case DESC_RATEVHT1SS_MCS9: 1021 rate_idx = 9; 1022 break; 1023 case DESC_RATEVHT2SS_MCS0: 1024 rate_idx = 0; 1025 break; 1026 case DESC_RATEVHT2SS_MCS1: 1027 rate_idx = 1; 1028 break; 1029 case DESC_RATEVHT2SS_MCS2: 1030 rate_idx = 2; 1031 break; 1032 case DESC_RATEVHT2SS_MCS3: 1033 rate_idx = 3; 1034 break; 1035 case DESC_RATEVHT2SS_MCS4: 1036 rate_idx = 4; 1037 break; 1038 case DESC_RATEVHT2SS_MCS5: 1039 rate_idx = 5; 1040 break; 1041 case DESC_RATEVHT2SS_MCS6: 1042 rate_idx = 6; 1043 break; 1044 case DESC_RATEVHT2SS_MCS7: 1045 rate_idx = 7; 1046 break; 1047 case DESC_RATEVHT2SS_MCS8: 1048 rate_idx = 8; 1049 break; 1050 case DESC_RATEVHT2SS_MCS9: 1051 rate_idx = 9; 1052 break; 1053 default: 1054 rate_idx = 0; 1055 break; 1056 } 1057 return rate_idx; 1058 } 1059 if (false == isht) { 1060 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 1061 switch (desc_rate) { 1062 case DESC_RATE1M: 1063 rate_idx = 0; 1064 break; 1065 case DESC_RATE2M: 1066 rate_idx = 1; 1067 break; 1068 case DESC_RATE5_5M: 1069 rate_idx = 2; 1070 break; 1071 case DESC_RATE11M: 1072 rate_idx = 3; 1073 break; 1074 case DESC_RATE6M: 1075 rate_idx = 4; 1076 break; 1077 case DESC_RATE9M: 1078 rate_idx = 5; 1079 break; 1080 case DESC_RATE12M: 1081 rate_idx = 6; 1082 break; 1083 case DESC_RATE18M: 1084 rate_idx = 7; 1085 break; 1086 case DESC_RATE24M: 1087 rate_idx = 8; 1088 break; 1089 case DESC_RATE36M: 1090 rate_idx = 9; 1091 break; 1092 case DESC_RATE48M: 1093 rate_idx = 10; 1094 break; 1095 case DESC_RATE54M: 1096 rate_idx = 11; 1097 break; 1098 default: 1099 rate_idx = 0; 1100 break; 1101 } 1102 } else { 1103 switch (desc_rate) { 1104 case DESC_RATE6M: 1105 rate_idx = 0; 1106 break; 1107 case DESC_RATE9M: 1108 rate_idx = 1; 1109 break; 1110 case DESC_RATE12M: 1111 rate_idx = 2; 1112 break; 1113 case DESC_RATE18M: 1114 rate_idx = 3; 1115 break; 1116 case DESC_RATE24M: 1117 rate_idx = 4; 1118 break; 1119 case DESC_RATE36M: 1120 rate_idx = 5; 1121 break; 1122 case DESC_RATE48M: 1123 rate_idx = 6; 1124 break; 1125 case DESC_RATE54M: 1126 rate_idx = 7; 1127 break; 1128 default: 1129 rate_idx = 0; 1130 break; 1131 } 1132 } 1133 } else { 1134 switch (desc_rate) { 1135 case DESC_RATEMCS0: 1136 rate_idx = 0; 1137 break; 1138 case DESC_RATEMCS1: 1139 rate_idx = 1; 1140 break; 1141 case DESC_RATEMCS2: 1142 rate_idx = 2; 1143 break; 1144 case DESC_RATEMCS3: 1145 rate_idx = 3; 1146 break; 1147 case DESC_RATEMCS4: 1148 rate_idx = 4; 1149 break; 1150 case DESC_RATEMCS5: 1151 rate_idx = 5; 1152 break; 1153 case DESC_RATEMCS6: 1154 rate_idx = 6; 1155 break; 1156 case DESC_RATEMCS7: 1157 rate_idx = 7; 1158 break; 1159 case DESC_RATEMCS8: 1160 rate_idx = 8; 1161 break; 1162 case DESC_RATEMCS9: 1163 rate_idx = 9; 1164 break; 1165 case DESC_RATEMCS10: 1166 rate_idx = 10; 1167 break; 1168 case DESC_RATEMCS11: 1169 rate_idx = 11; 1170 break; 1171 case DESC_RATEMCS12: 1172 rate_idx = 12; 1173 break; 1174 case DESC_RATEMCS13: 1175 rate_idx = 13; 1176 break; 1177 case DESC_RATEMCS14: 1178 rate_idx = 14; 1179 break; 1180 case DESC_RATEMCS15: 1181 rate_idx = 15; 1182 break; 1183 default: 1184 rate_idx = 0; 1185 break; 1186 } 1187 } 1188 return rate_idx; 1189} 1190EXPORT_SYMBOL(rtlwifi_rate_mapping); 1191 1192static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw, 1193 struct ieee80211_tx_info *info) 1194{ 1195 struct rtl_priv *rtlpriv = rtl_priv(hw); 1196 struct ieee80211_tx_rate *r = &info->status.rates[0]; 1197 struct ieee80211_rate *txrate; 1198 u8 hw_value = 0x0; 1199 1200 if (r->flags & IEEE80211_TX_RC_MCS) { 1201 /* HT MCS0-15 */ 1202 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 + 1203 r->idx; 1204 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) { 1205 /* VHT MCS0-9, NSS */ 1206 if (ieee80211_rate_get_vht_nss(r) == 2) 1207 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 1208 else 1209 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 1210 1211 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r); 1212 } else { 1213 /* legacy */ 1214 txrate = ieee80211_get_tx_rate(hw, info); 1215 1216 if (txrate) 1217 hw_value = txrate->hw_value; 1218 } 1219 1220 /* check 5G band */ 1221 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G && 1222 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]) 1223 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]; 1224 1225 return hw_value; 1226} 1227 1228void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1229 struct ieee80211_tx_info *info, 1230 struct ieee80211_sta *sta, 1231 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1232{ 1233#define SET_RATE_ID(rate_id) \ 1234 ({typeof(rate_id) _id = rate_id; \ 1235 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 1236 rtl_mrate_idx_to_arfr_id(hw, _id, \ 1237 (sta_entry ? sta_entry->wireless_mode : \ 1238 WIRELESS_MODE_G)) : \ 1239 _id); }) 1240 1241 struct rtl_priv *rtlpriv = rtl_priv(hw); 1242 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1243 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1244 struct rtl_sta_info *sta_entry = 1245 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL); 1246 1247 __le16 fc = rtl_get_fc(skb); 1248 1249 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info); 1250 1251 if (rtl_is_tx_report_skb(hw, skb)) 1252 tcb_desc->use_spe_rpt = 1; 1253 1254 if (ieee80211_is_data(fc)) { 1255 /* 1256 *we set data rate INX 0 1257 *in rtl_rc.c if skb is special data or 1258 *mgt which need low data rate. 1259 */ 1260 1261 /* 1262 *So tcb_desc->hw_rate is just used for 1263 *special data and mgt frames 1264 */ 1265 if (info->control.rates[0].idx == 0 || 1266 ieee80211_is_nullfunc(fc)) { 1267 tcb_desc->use_driver_rate = true; 1268 tcb_desc->ratr_index = 1269 SET_RATE_ID(RATR_INX_WIRELESS_MC); 1270 1271 tcb_desc->disable_ratefallback = 1; 1272 } else { 1273 /* 1274 *because hw will nerver use hw_rate 1275 *when tcb_desc->use_driver_rate = false 1276 *so we never set highest N rate here, 1277 *and N rate will all be controlled by FW 1278 *when tcb_desc->use_driver_rate = false 1279 */ 1280 if (sta && sta->deflink.vht_cap.vht_supported) { 1281 tcb_desc->hw_rate = 1282 _rtl_get_vht_highest_n_rate(hw, sta); 1283 } else { 1284 if (sta && sta->deflink.ht_cap.ht_supported) { 1285 tcb_desc->hw_rate = 1286 _rtl_get_highest_n_rate(hw, sta); 1287 } else { 1288 if (rtlmac->mode == WIRELESS_MODE_B) { 1289 tcb_desc->hw_rate = 1290 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1291 } else { 1292 tcb_desc->hw_rate = 1293 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1294 } 1295 } 1296 } 1297 } 1298 1299 if (is_multicast_ether_addr(hdr->addr1)) 1300 tcb_desc->multicast = 1; 1301 else if (is_broadcast_ether_addr(hdr->addr1)) 1302 tcb_desc->broadcast = 1; 1303 1304 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1305 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1306 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1307 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1308 _rtl_query_protection_mode(hw, tcb_desc, info); 1309 } else { 1310 tcb_desc->use_driver_rate = true; 1311 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 1312 tcb_desc->disable_ratefallback = 1; 1313 tcb_desc->mac_id = 0; 1314 tcb_desc->packet_bw = false; 1315 } 1316#undef SET_RATE_ID 1317} 1318EXPORT_SYMBOL(rtl_get_tcb_desc); 1319 1320bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1321{ 1322 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1323 struct rtl_priv *rtlpriv = rtl_priv(hw); 1324 __le16 fc = rtl_get_fc(skb); 1325 1326 if (ieee80211_is_auth(fc)) { 1327 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); 1328 1329 mac->link_state = MAC80211_LINKING; 1330 /* Dul mac */ 1331 rtlpriv->phy.need_iqk = true; 1332 1333 } 1334 1335 return true; 1336} 1337EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1338 1339struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1340 u8 *bssid, u16 tid); 1341 1342static void process_agg_start(struct ieee80211_hw *hw, 1343 struct ieee80211_hdr *hdr, u16 tid) 1344{ 1345 struct rtl_priv *rtlpriv = rtl_priv(hw); 1346 struct ieee80211_rx_status rx_status = { 0 }; 1347 struct sk_buff *skb_delba = NULL; 1348 1349 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); 1350 if (skb_delba) { 1351 rx_status.freq = hw->conf.chandef.chan->center_freq; 1352 rx_status.band = hw->conf.chandef.chan->band; 1353 rx_status.flag |= RX_FLAG_DECRYPTED; 1354 rx_status.flag |= RX_FLAG_MACTIME_START; 1355 rx_status.rate_idx = 0; 1356 rx_status.signal = 50 + 10; 1357 memcpy(IEEE80211_SKB_RXCB(skb_delba), 1358 &rx_status, sizeof(rx_status)); 1359 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, 1360 "fake del\n", 1361 skb_delba->data, 1362 skb_delba->len); 1363 ieee80211_rx_irqsafe(hw, skb_delba); 1364 } 1365} 1366 1367bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1368{ 1369 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1370 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1371 struct rtl_priv *rtlpriv = rtl_priv(hw); 1372 __le16 fc = rtl_get_fc(skb); 1373 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); 1374 u8 category; 1375 1376 if (!ieee80211_is_action(fc)) 1377 return true; 1378 1379 category = *act; 1380 act++; 1381 switch (category) { 1382 case ACT_CAT_BA: 1383 switch (*act) { 1384 case ACT_ADDBAREQ: 1385 if (mac->act_scanning) 1386 return false; 1387 1388 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1389 "%s ACT_ADDBAREQ From :%pM\n", 1390 is_tx ? "Tx" : "Rx", hdr->addr2); 1391 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", 1392 skb->data, skb->len); 1393 if (!is_tx) { 1394 struct ieee80211_sta *sta = NULL; 1395 struct rtl_sta_info *sta_entry = NULL; 1396 struct rtl_tid_data *tid_data; 1397 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1398 u16 capab = 0, tid = 0; 1399 1400 rcu_read_lock(); 1401 sta = rtl_find_sta(hw, hdr->addr3); 1402 if (sta == NULL) { 1403 rtl_dbg(rtlpriv, COMP_SEND | COMP_RECV, 1404 DBG_DMESG, "sta is NULL\n"); 1405 rcu_read_unlock(); 1406 return true; 1407 } 1408 1409 sta_entry = 1410 (struct rtl_sta_info *)sta->drv_priv; 1411 capab = 1412 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1413 tid = (capab & 1414 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1415 if (tid >= MAX_TID_COUNT) { 1416 rcu_read_unlock(); 1417 return true; 1418 } 1419 tid_data = &sta_entry->tids[tid]; 1420 if (tid_data->agg.rx_agg_state == 1421 RTL_RX_AGG_START) 1422 process_agg_start(hw, hdr, tid); 1423 rcu_read_unlock(); 1424 } 1425 break; 1426 case ACT_ADDBARSP: 1427 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1428 "%s ACT_ADDBARSP From :%pM\n", 1429 is_tx ? "Tx" : "Rx", hdr->addr2); 1430 break; 1431 case ACT_DELBA: 1432 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1433 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1434 break; 1435 } 1436 break; 1437 default: 1438 break; 1439 } 1440 1441 return true; 1442} 1443EXPORT_SYMBOL_GPL(rtl_action_proc); 1444 1445static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc, 1446 int type) 1447{ 1448 struct ieee80211_hw *hw = rtlpriv->hw; 1449 1450 rtlpriv->ra.is_special_data = true; 1451 if (rtlpriv->cfg->ops->get_btc_status()) 1452 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1453 rtlpriv, type); 1454 rtl_lps_leave(hw, false); 1455 ppsc->last_delaylps_stamp_jiffies = jiffies; 1456} 1457 1458static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw, 1459 struct sk_buff *skb, bool is_enc) 1460{ 1461 struct rtl_priv *rtlpriv = rtl_priv(hw); 1462 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1463 u8 encrypt_header_len = 0; 1464 u8 offset; 1465 1466 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1467 case WEP40_ENCRYPTION: 1468 case WEP104_ENCRYPTION: 1469 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1470 break; 1471 case TKIP_ENCRYPTION: 1472 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1473 break; 1474 case AESCCMP_ENCRYPTION: 1475 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1476 break; 1477 default: 1478 break; 1479 } 1480 1481 offset = mac_hdr_len + SNAP_SIZE; 1482 if (is_enc) 1483 offset += encrypt_header_len; 1484 1485 return skb->data + offset; 1486} 1487 1488/*should call before software enc*/ 1489u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, 1490 bool is_enc) 1491{ 1492 struct rtl_priv *rtlpriv = rtl_priv(hw); 1493 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1494 __le16 fc = rtl_get_fc(skb); 1495 u16 ether_type; 1496 const u8 *ether_type_ptr; 1497 const struct iphdr *ip; 1498 1499 if (!ieee80211_is_data(fc)) 1500 goto end; 1501 1502 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc); 1503 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1504 1505 if (ETH_P_IP == ether_type) { 1506 ip = (struct iphdr *)((u8 *)ether_type_ptr + 1507 PROTOC_TYPE_SIZE); 1508 if (IPPROTO_UDP == ip->protocol) { 1509 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1510 (ip->ihl << 2)); 1511 if (((((u8 *)udp)[1] == 68) && 1512 (((u8 *)udp)[3] == 67)) || 1513 ((((u8 *)udp)[1] == 67) && 1514 (((u8 *)udp)[3] == 68))) { 1515 /* 68 : UDP BOOTP client 1516 * 67 : UDP BOOTP server 1517 */ 1518 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), 1519 DBG_DMESG, "dhcp %s !!\n", 1520 (is_tx) ? "Tx" : "Rx"); 1521 1522 if (is_tx) 1523 setup_special_tx(rtlpriv, ppsc, 1524 PACKET_DHCP); 1525 1526 return true; 1527 } 1528 } 1529 } else if (ETH_P_ARP == ether_type) { 1530 if (is_tx) 1531 setup_special_tx(rtlpriv, ppsc, PACKET_ARP); 1532 1533 return true; 1534 } else if (ETH_P_PAE == ether_type) { 1535 /* EAPOL is seens as in-4way */ 1536 rtlpriv->btcoexist.btc_info.in_4way = true; 1537 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; 1538 1539 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1540 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1541 1542 if (is_tx) { 1543 rtlpriv->ra.is_special_data = true; 1544 rtl_lps_leave(hw, false); 1545 ppsc->last_delaylps_stamp_jiffies = jiffies; 1546 1547 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL); 1548 } 1549 1550 return true; 1551 } else if (ETH_P_IPV6 == ether_type) { 1552 /* TODO: Handle any IPv6 cases that need special handling. 1553 * For now, always return false 1554 */ 1555 goto end; 1556 } 1557 1558end: 1559 rtlpriv->ra.is_special_data = false; 1560 return false; 1561} 1562EXPORT_SYMBOL_GPL(rtl_is_special_data); 1563 1564void rtl_tx_ackqueue(struct ieee80211_hw *hw, struct sk_buff *skb) 1565{ 1566 struct rtl_priv *rtlpriv = rtl_priv(hw); 1567 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1568 1569 __skb_queue_tail(&tx_report->queue, skb); 1570} 1571EXPORT_SYMBOL_GPL(rtl_tx_ackqueue); 1572 1573static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, 1574 bool ack) 1575{ 1576 struct rtl_priv *rtlpriv = rtl_priv(hw); 1577 struct ieee80211_tx_info *info; 1578 1579 info = IEEE80211_SKB_CB(skb); 1580 ieee80211_tx_info_clear_status(info); 1581 if (ack) { 1582 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD, 1583 "tx report: ack\n"); 1584 info->flags |= IEEE80211_TX_STAT_ACK; 1585 } else { 1586 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD, 1587 "tx report: not ack\n"); 1588 info->flags &= ~IEEE80211_TX_STAT_ACK; 1589 } 1590 ieee80211_tx_status_irqsafe(hw, skb); 1591} 1592 1593bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb) 1594{ 1595 u16 ether_type; 1596 const u8 *ether_type_ptr; 1597 __le16 fc = rtl_get_fc(skb); 1598 1599 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true); 1600 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1601 1602 if (ether_type == ETH_P_PAE || ieee80211_is_nullfunc(fc)) 1603 return true; 1604 1605 return false; 1606} 1607 1608static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw, 1609 struct rtlwifi_tx_info *tx_info) 1610{ 1611 struct rtl_priv *rtlpriv = rtl_priv(hw); 1612 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1613 u16 sn; 1614 1615 /* SW_DEFINE[11:8] are reserved (driver fills zeros) 1616 * SW_DEFINE[7:2] are used by driver 1617 * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros) 1618 */ 1619 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2; 1620 1621 tx_report->last_sent_sn = sn; 1622 tx_report->last_sent_time = jiffies; 1623 tx_info->sn = sn; 1624 tx_info->send_time = tx_report->last_sent_time; 1625 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1626 "Send TX-Report sn=0x%X\n", sn); 1627 1628 return sn; 1629} 1630 1631void rtl_set_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc, 1632 struct ieee80211_hw *hw, struct rtlwifi_tx_info *tx_info) 1633{ 1634 if (ptcb_desc->use_spe_rpt) { 1635 u16 sn = rtl_get_tx_report_sn(hw, tx_info); 1636 1637 SET_TX_DESC_SPE_RPT(pdesc, 1); 1638 SET_TX_DESC_SW_DEFINE(pdesc, sn); 1639 } 1640} 1641EXPORT_SYMBOL_GPL(rtl_set_tx_report); 1642 1643void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) 1644{ 1645 struct rtl_priv *rtlpriv = rtl_priv(hw); 1646 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1647 struct rtlwifi_tx_info *tx_info; 1648 struct sk_buff_head *queue = &tx_report->queue; 1649 struct sk_buff *skb; 1650 u16 sn; 1651 u8 st, retry; 1652 1653 if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) { 1654 sn = GET_TX_REPORT_SN_V2(tmp_buf); 1655 st = GET_TX_REPORT_ST_V2(tmp_buf); 1656 retry = GET_TX_REPORT_RETRY_V2(tmp_buf); 1657 } else { 1658 sn = GET_TX_REPORT_SN_V1(tmp_buf); 1659 st = GET_TX_REPORT_ST_V1(tmp_buf); 1660 retry = GET_TX_REPORT_RETRY_V1(tmp_buf); 1661 } 1662 1663 tx_report->last_recv_sn = sn; 1664 1665 skb_queue_walk(queue, skb) { 1666 tx_info = rtl_tx_skb_cb_info(skb); 1667 if (tx_info->sn == sn) { 1668 skb_unlink(skb, queue); 1669 rtl_tx_status(hw, skb, st == 0); 1670 break; 1671 } 1672 } 1673 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1674 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", 1675 st, sn, retry); 1676} 1677EXPORT_SYMBOL_GPL(rtl_tx_report_handler); 1678 1679bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) 1680{ 1681 struct rtl_priv *rtlpriv = rtl_priv(hw); 1682 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1683 1684 if (tx_report->last_sent_sn == tx_report->last_recv_sn) 1685 return true; 1686 1687 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { 1688 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_WARNING, 1689 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n", 1690 tx_report->last_sent_sn, tx_report->last_recv_sn); 1691 return true; /* 3 sec. (timeout) seen as acked */ 1692 } 1693 1694 return false; 1695} 1696 1697void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms) 1698{ 1699 struct rtl_priv *rtlpriv = rtl_priv(hw); 1700 int i; 1701 1702 for (i = 0; i < wait_ms; i++) { 1703 if (rtl_check_tx_report_acked(hw)) 1704 break; 1705 usleep_range(1000, 2000); 1706 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1707 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); 1708 } 1709} 1710 1711u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw, 1712 struct ieee80211_vif *vif, 1713 enum wireless_mode wirelessmode, 1714 struct ieee80211_tx_queue_params *param) 1715{ 1716 u32 reg = 0; 1717 u8 sifstime = 10; 1718 u8 slottime = 20; 1719 1720 /* AIFS = AIFSN * slot time + SIFS */ 1721 switch (wirelessmode) { 1722 case WIRELESS_MODE_A: 1723 case WIRELESS_MODE_N_24G: 1724 case WIRELESS_MODE_N_5G: 1725 case WIRELESS_MODE_AC_5G: 1726 case WIRELESS_MODE_AC_24G: 1727 sifstime = 16; 1728 slottime = 9; 1729 break; 1730 case WIRELESS_MODE_G: 1731 slottime = (vif->bss_conf.use_short_slot ? 9 : 20); 1732 break; 1733 default: 1734 break; 1735 } 1736 1737 reg |= (param->txop & 0x7FF) << 16; 1738 reg |= (fls(param->cw_max) & 0xF) << 12; 1739 reg |= (fls(param->cw_min) & 0xF) << 8; 1740 reg |= (param->aifs & 0x0F) * slottime + sifstime; 1741 1742 return reg; 1743} 1744EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param); 1745 1746/********************************************************* 1747 * 1748 * functions called by core.c 1749 * 1750 *********************************************************/ 1751int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1752 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1753{ 1754 struct rtl_priv *rtlpriv = rtl_priv(hw); 1755 struct rtl_tid_data *tid_data; 1756 struct rtl_sta_info *sta_entry = NULL; 1757 1758 if (sta == NULL) 1759 return -EINVAL; 1760 1761 if (unlikely(tid >= MAX_TID_COUNT)) 1762 return -EINVAL; 1763 1764 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1765 tid_data = &sta_entry->tids[tid]; 1766 1767 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1768 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1769 *ssn); 1770 1771 tid_data->agg.agg_state = RTL_AGG_START; 1772 1773 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 1774} 1775 1776int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1777 struct ieee80211_sta *sta, u16 tid) 1778{ 1779 struct rtl_priv *rtlpriv = rtl_priv(hw); 1780 struct rtl_sta_info *sta_entry = NULL; 1781 1782 if (sta == NULL) 1783 return -EINVAL; 1784 1785 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1786 "on ra = %pM tid = %d\n", sta->addr, tid); 1787 1788 if (unlikely(tid >= MAX_TID_COUNT)) 1789 return -EINVAL; 1790 1791 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1792 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1793 1794 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1795 return 0; 1796} 1797 1798int rtl_rx_agg_start(struct ieee80211_hw *hw, 1799 struct ieee80211_sta *sta, u16 tid) 1800{ 1801 struct rtl_priv *rtlpriv = rtl_priv(hw); 1802 struct rtl_tid_data *tid_data; 1803 struct rtl_sta_info *sta_entry = NULL; 1804 u8 reject_agg; 1805 1806 if (sta == NULL) 1807 return -EINVAL; 1808 1809 if (unlikely(tid >= MAX_TID_COUNT)) 1810 return -EINVAL; 1811 1812 if (rtlpriv->cfg->ops->get_btc_status()) { 1813 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv, 1814 &reject_agg, 1815 NULL, NULL); 1816 if (reject_agg) 1817 return -EINVAL; 1818 } 1819 1820 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1821 tid_data = &sta_entry->tids[tid]; 1822 1823 rtl_dbg(rtlpriv, COMP_RECV, DBG_DMESG, 1824 "on ra = %pM tid = %d\n", sta->addr, tid); 1825 1826 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1827 return 0; 1828} 1829 1830int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1831 struct ieee80211_sta *sta, u16 tid) 1832{ 1833 struct rtl_priv *rtlpriv = rtl_priv(hw); 1834 struct rtl_sta_info *sta_entry = NULL; 1835 1836 if (sta == NULL) 1837 return -EINVAL; 1838 1839 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1840 "on ra = %pM tid = %d\n", sta->addr, tid); 1841 1842 if (unlikely(tid >= MAX_TID_COUNT)) 1843 return -EINVAL; 1844 1845 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1846 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1847 1848 return 0; 1849} 1850 1851int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1852 struct ieee80211_sta *sta, u16 tid) 1853{ 1854 struct rtl_priv *rtlpriv = rtl_priv(hw); 1855 struct rtl_sta_info *sta_entry = NULL; 1856 1857 if (sta == NULL) 1858 return -EINVAL; 1859 1860 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1861 "on ra = %pM tid = %d\n", sta->addr, tid); 1862 1863 if (unlikely(tid >= MAX_TID_COUNT)) 1864 return -EINVAL; 1865 1866 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1867 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1868 1869 return 0; 1870} 1871 1872void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) 1873{ 1874 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 1875 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0; 1876 1877 if (rtlpriv->cfg->ops->get_btc_status()) 1878 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, 1879 &ctrl_agg_size, &agg_size); 1880 1881 rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, 1882 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", 1883 reject_agg, ctrl_agg_size, agg_size); 1884 1885 rtlpriv->hw->max_rx_aggregation_subframes = 1886 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT); 1887} 1888EXPORT_SYMBOL(rtl_rx_ampdu_apply); 1889 1890/********************************************************* 1891 * 1892 * wq & timer callback functions 1893 * 1894 *********************************************************/ 1895/* this function is used for roaming */ 1896void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1897{ 1898 struct rtl_priv *rtlpriv = rtl_priv(hw); 1899 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1900 1901 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1902 return; 1903 1904 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1905 return; 1906 1907 /* check if this really is a beacon */ 1908 if (!ieee80211_is_beacon(hdr->frame_control) && 1909 !ieee80211_is_probe_resp(hdr->frame_control)) 1910 return; 1911 1912 /* min. beacon length + FCS_LEN */ 1913 if (skb->len <= 40 + FCS_LEN) 1914 return; 1915 1916 /* and only beacons from the associated BSSID, please */ 1917 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1918 return; 1919 1920 rtlpriv->link_info.bcn_rx_inperiod++; 1921} 1922EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1923 1924static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw) 1925{ 1926 struct rtl_priv *rtlpriv = rtl_priv(hw); 1927 struct rtl_bssid_entry *entry, *next; 1928 1929 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1930 list_del(&entry->list); 1931 kfree(entry); 1932 rtlpriv->scan_list.num--; 1933 } 1934} 1935 1936static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, 1937 bool chk_timeout) 1938{ 1939 struct rtl_priv *rtlpriv = rtl_priv(hw); 1940 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1941 struct sk_buff_head *queue = &tx_report->queue; 1942 struct sk_buff *skb, *tmp; 1943 struct rtlwifi_tx_info *tx_info; 1944 1945 skb_queue_walk_safe(queue, skb, tmp) { 1946 tx_info = rtl_tx_skb_cb_info(skb); 1947 if (chk_timeout && 1948 time_after(tx_info->send_time + HZ, jiffies)) 1949 continue; 1950 skb_unlink(skb, queue); 1951 rtl_tx_status(hw, skb, false); 1952 } 1953} 1954 1955void rtl_scan_list_expire(struct ieee80211_hw *hw) 1956{ 1957 struct rtl_priv *rtlpriv = rtl_priv(hw); 1958 struct rtl_bssid_entry *entry, *next; 1959 unsigned long flags; 1960 1961 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 1962 1963 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1964 /* 180 seconds */ 1965 if (jiffies_to_msecs(jiffies - entry->age) < 180000) 1966 continue; 1967 1968 list_del(&entry->list); 1969 rtlpriv->scan_list.num--; 1970 1971 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 1972 "BSSID=%pM is expire in scan list (total=%d)\n", 1973 entry->bssid, rtlpriv->scan_list.num); 1974 kfree(entry); 1975 } 1976 1977 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 1978 1979 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1980} 1981 1982void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) 1983{ 1984 struct rtl_priv *rtlpriv = rtl_priv(hw); 1985 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1986 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1987 unsigned long flags; 1988 1989 struct rtl_bssid_entry *entry = NULL, *iter; 1990 1991 /* check if it is scanning */ 1992 if (!mac->act_scanning) 1993 return; 1994 1995 /* check if this really is a beacon */ 1996 if (!ieee80211_is_beacon(hdr->frame_control) && 1997 !ieee80211_is_probe_resp(hdr->frame_control)) 1998 return; 1999 2000 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 2001 2002 list_for_each_entry(iter, &rtlpriv->scan_list.list, list) { 2003 if (memcmp(iter->bssid, hdr->addr3, ETH_ALEN) == 0) { 2004 list_del_init(&iter->list); 2005 entry = iter; 2006 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 2007 "Update BSSID=%pM to scan list (total=%d)\n", 2008 hdr->addr3, rtlpriv->scan_list.num); 2009 break; 2010 } 2011 } 2012 2013 if (!entry) { 2014 entry = kmalloc(sizeof(*entry), GFP_ATOMIC); 2015 2016 if (!entry) 2017 goto label_err; 2018 2019 memcpy(entry->bssid, hdr->addr3, ETH_ALEN); 2020 rtlpriv->scan_list.num++; 2021 2022 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 2023 "Add BSSID=%pM to scan list (total=%d)\n", 2024 hdr->addr3, rtlpriv->scan_list.num); 2025 } 2026 2027 entry->age = jiffies; 2028 2029 list_add_tail(&entry->list, &rtlpriv->scan_list.list); 2030 2031label_err: 2032 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 2033} 2034EXPORT_SYMBOL(rtl_collect_scan_list); 2035 2036static void rtl_watchdog_wq_callback(struct work_struct *work) 2037{ 2038 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2039 watchdog_wq.work); 2040 struct ieee80211_hw *hw = rtlworks->hw; 2041 struct rtl_priv *rtlpriv = rtl_priv(hw); 2042 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2043 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2044 bool busytraffic = false; 2045 bool tx_busy_traffic = false; 2046 bool rx_busy_traffic = false; 2047 bool higher_busytraffic = false; 2048 bool higher_busyrxtraffic = false; 2049 u8 idx, tid; 2050 u32 rx_cnt_inp4eriod = 0; 2051 u32 tx_cnt_inp4eriod = 0; 2052 u32 aver_rx_cnt_inperiod = 0; 2053 u32 aver_tx_cnt_inperiod = 0; 2054 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 2055 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 2056 2057 if (is_hal_stop(rtlhal)) 2058 return; 2059 2060 /* <1> Determine if action frame is allowed */ 2061 if (mac->link_state > MAC80211_NOLINK) { 2062 if (mac->cnt_after_linked < 20) 2063 mac->cnt_after_linked++; 2064 } else { 2065 mac->cnt_after_linked = 0; 2066 } 2067 2068 /* <2> to check if traffic busy, if 2069 * busytraffic we don't change channel 2070 */ 2071 if (mac->link_state >= MAC80211_LINKED) { 2072 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 2073 for (idx = 0; idx <= 2; idx++) { 2074 rtlpriv->link_info.num_rx_in4period[idx] = 2075 rtlpriv->link_info.num_rx_in4period[idx + 1]; 2076 rtlpriv->link_info.num_tx_in4period[idx] = 2077 rtlpriv->link_info.num_tx_in4period[idx + 1]; 2078 } 2079 rtlpriv->link_info.num_rx_in4period[3] = 2080 rtlpriv->link_info.num_rx_inperiod; 2081 rtlpriv->link_info.num_tx_in4period[3] = 2082 rtlpriv->link_info.num_tx_inperiod; 2083 for (idx = 0; idx <= 3; idx++) { 2084 rx_cnt_inp4eriod += 2085 rtlpriv->link_info.num_rx_in4period[idx]; 2086 tx_cnt_inp4eriod += 2087 rtlpriv->link_info.num_tx_in4period[idx]; 2088 } 2089 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 2090 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 2091 2092 /* (2) check traffic busy */ 2093 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 2094 busytraffic = true; 2095 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 2096 rx_busy_traffic = true; 2097 else 2098 tx_busy_traffic = false; 2099 } 2100 2101 /* Higher Tx/Rx data. */ 2102 if (aver_rx_cnt_inperiod > 4000 || 2103 aver_tx_cnt_inperiod > 4000) { 2104 higher_busytraffic = true; 2105 2106 /* Extremely high Rx data. */ 2107 if (aver_rx_cnt_inperiod > 5000) 2108 higher_busyrxtraffic = true; 2109 } 2110 2111 /* check every tid's tx traffic */ 2112 for (tid = 0; tid <= 7; tid++) { 2113 for (idx = 0; idx <= 2; idx++) 2114 rtlpriv->link_info.tidtx_in4period[tid][idx] = 2115 rtlpriv->link_info.tidtx_in4period[tid] 2116 [idx + 1]; 2117 rtlpriv->link_info.tidtx_in4period[tid][3] = 2118 rtlpriv->link_info.tidtx_inperiod[tid]; 2119 2120 for (idx = 0; idx <= 3; idx++) 2121 tidtx_inp4eriod[tid] += 2122 rtlpriv->link_info.tidtx_in4period[tid][idx]; 2123 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 2124 if (aver_tidtx_inperiod[tid] > 5000) 2125 rtlpriv->link_info.higher_busytxtraffic[tid] = 2126 true; 2127 else 2128 rtlpriv->link_info.higher_busytxtraffic[tid] = 2129 false; 2130 } 2131 2132 /* PS is controlled by coex. */ 2133 if (rtlpriv->cfg->ops->get_btc_status() && 2134 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv)) 2135 goto label_lps_done; 2136 2137 if (rtlpriv->link_info.num_rx_inperiod + 2138 rtlpriv->link_info.num_tx_inperiod > 8 || 2139 rtlpriv->link_info.num_rx_inperiod > 2) 2140 rtl_lps_leave(hw, true); 2141 else 2142 rtl_lps_enter(hw, true); 2143 2144label_lps_done: 2145 ; 2146 } 2147 2148 for (tid = 0; tid <= 7; tid++) 2149 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 2150 2151 rtlpriv->link_info.busytraffic = busytraffic; 2152 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 2153 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 2154 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 2155 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 2156 2157 rtlpriv->stats.txbytesunicast_inperiod = 2158 rtlpriv->stats.txbytesunicast - 2159 rtlpriv->stats.txbytesunicast_last; 2160 rtlpriv->stats.rxbytesunicast_inperiod = 2161 rtlpriv->stats.rxbytesunicast - 2162 rtlpriv->stats.rxbytesunicast_last; 2163 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast; 2164 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast; 2165 2166 rtlpriv->stats.txbytesunicast_inperiod_tp = 2167 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 / 2168 1024 / 1024); 2169 rtlpriv->stats.rxbytesunicast_inperiod_tp = 2170 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 / 2171 1024 / 1024); 2172 2173 /* <3> DM */ 2174 if (!rtlpriv->cfg->mod_params->disable_watchdog) 2175 rtlpriv->cfg->ops->dm_watchdog(hw); 2176 2177 /* <4> roaming */ 2178 if (mac->link_state == MAC80211_LINKED && 2179 mac->opmode == NL80211_IFTYPE_STATION) { 2180 if ((rtlpriv->link_info.bcn_rx_inperiod + 2181 rtlpriv->link_info.num_rx_inperiod) == 0) { 2182 rtlpriv->link_info.roam_times++; 2183 rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG, 2184 "AP off for %d s\n", 2185 (rtlpriv->link_info.roam_times * 2)); 2186 2187 /* if we can't recv beacon for 10s, 2188 * we should reconnect this AP 2189 */ 2190 if (rtlpriv->link_info.roam_times >= 5) { 2191 pr_err("AP off, try to reconnect now\n"); 2192 rtlpriv->link_info.roam_times = 0; 2193 ieee80211_connection_loss( 2194 rtlpriv->mac80211.vif); 2195 } 2196 } else { 2197 rtlpriv->link_info.roam_times = 0; 2198 } 2199 } 2200 2201 if (rtlpriv->cfg->ops->get_btc_status()) 2202 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 2203 2204 if (rtlpriv->btcoexist.btc_info.in_4way) { 2205 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts + 2206 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME))) 2207 rtlpriv->btcoexist.btc_info.in_4way = false; 2208 } 2209 2210 rtlpriv->link_info.num_rx_inperiod = 0; 2211 rtlpriv->link_info.num_tx_inperiod = 0; 2212 rtlpriv->link_info.bcn_rx_inperiod = 0; 2213 2214 /* <6> scan list */ 2215 rtl_scan_list_expire(hw); 2216 2217 /* <7> check ack queue */ 2218 rtl_free_entries_from_ack_queue(hw, true); 2219} 2220 2221void rtl_watch_dog_timer_callback(struct timer_list *t) 2222{ 2223 struct rtl_priv *rtlpriv = timer_container_of(rtlpriv, t, 2224 works.watchdog_timer); 2225 2226 queue_delayed_work(rtlpriv->works.rtl_wq, 2227 &rtlpriv->works.watchdog_wq, 0); 2228 2229 mod_timer(&rtlpriv->works.watchdog_timer, 2230 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 2231} 2232 2233static void rtl_fwevt_wq_callback(struct work_struct *work) 2234{ 2235 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2236 fwevt_wq.work); 2237 struct ieee80211_hw *hw = rtlworks->hw; 2238 struct rtl_priv *rtlpriv = rtl_priv(hw); 2239 2240 rtlpriv->cfg->ops->c2h_command_handle(hw); 2241} 2242 2243static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, 2244 struct sk_buff *skb); 2245 2246static bool rtl_c2h_fast_cmd(struct ieee80211_hw *hw, struct sk_buff *skb) 2247{ 2248 u8 cmd_id = GET_C2H_CMD_ID(skb->data); 2249 2250 switch (cmd_id) { 2251 case C2H_BT_MP: 2252 return true; 2253 default: 2254 break; 2255 } 2256 2257 return false; 2258} 2259 2260void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb) 2261{ 2262 struct rtl_priv *rtlpriv = rtl_priv(hw); 2263 2264 if (rtl_c2h_fast_cmd(hw, skb)) { 2265 rtl_c2h_content_parsing(hw, skb); 2266 kfree_skb(skb); 2267 return; 2268 } 2269 2270 /* enqueue */ 2271 skb_queue_tail(&rtlpriv->c2hcmd_queue, skb); 2272 2273 /* wake up wq */ 2274 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0); 2275} 2276EXPORT_SYMBOL(rtl_c2hcmd_enqueue); 2277 2278static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, 2279 struct sk_buff *skb) 2280{ 2281 struct rtl_priv *rtlpriv = rtl_priv(hw); 2282 const struct rtl_hal_ops *hal_ops = rtlpriv->cfg->ops; 2283 const struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 2284 u8 cmd_id, cmd_len; 2285 u8 *cmd_buf = NULL; 2286 2287 cmd_id = GET_C2H_CMD_ID(skb->data); 2288 cmd_len = skb->len - C2H_DATA_OFFSET; 2289 cmd_buf = GET_C2H_DATA_PTR(skb->data); 2290 2291 switch (cmd_id) { 2292 case C2H_DBG: 2293 rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n"); 2294 break; 2295 case C2H_TXBF: 2296 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2297 "[C2H], C2H_TXBF!!\n"); 2298 break; 2299 case C2H_TX_REPORT: 2300 rtl_tx_report_handler(hw, cmd_buf, cmd_len); 2301 break; 2302 case C2H_RA_RPT: 2303 if (hal_ops->c2h_ra_report_handler) 2304 hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len); 2305 break; 2306 case C2H_BT_INFO: 2307 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2308 "[C2H], C2H_BT_INFO!!\n"); 2309 if (rtlpriv->cfg->ops->get_btc_status()) 2310 btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len); 2311 break; 2312 case C2H_BT_MP: 2313 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2314 "[C2H], C2H_BT_MP!!\n"); 2315 if (rtlpriv->cfg->ops->get_btc_status()) 2316 btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len); 2317 break; 2318 default: 2319 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2320 "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id); 2321 break; 2322 } 2323} 2324 2325void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec) 2326{ 2327 struct rtl_priv *rtlpriv = rtl_priv(hw); 2328 struct sk_buff *skb; 2329 int i; 2330 2331 for (i = 0; i < 200; i++) { 2332 /* dequeue a task */ 2333 skb = skb_dequeue(&rtlpriv->c2hcmd_queue); 2334 2335 /* do it */ 2336 if (!skb) 2337 break; 2338 2339 rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n", 2340 *((u8 *)skb->cb)); 2341 RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG, 2342 "C2H data: ", skb->data, skb->len); 2343 2344 if (exec) 2345 rtl_c2h_content_parsing(hw, skb); 2346 2347 /* free */ 2348 dev_kfree_skb_any(skb); 2349 } 2350} 2351 2352static void rtl_c2hcmd_wq_callback(struct work_struct *work) 2353{ 2354 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2355 c2hcmd_wq.work); 2356 struct ieee80211_hw *hw = rtlworks->hw; 2357 2358 rtl_c2hcmd_launcher(hw, 1); 2359} 2360 2361/********************************************************* 2362 * 2363 * frame process functions 2364 * 2365 *********************************************************/ 2366u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 2367{ 2368 struct ieee80211_mgmt *mgmt = (void *)data; 2369 u8 *pos, *end; 2370 2371 pos = (u8 *)mgmt->u.beacon.variable; 2372 end = data + len; 2373 while (pos < end) { 2374 if (pos + 2 + pos[1] > end) 2375 return NULL; 2376 2377 if (pos[0] == ie) 2378 return pos; 2379 2380 pos += 2 + pos[1]; 2381 } 2382 return NULL; 2383} 2384 2385/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 2386/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 2387static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 2388 enum ieee80211_smps_mode smps, 2389 u8 *da, u8 *bssid) 2390{ 2391 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2392 struct sk_buff *skb; 2393 struct ieee80211_mgmt *action_frame; 2394 2395 /* 27 = header + category + action + smps mode */ 2396 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 2397 if (!skb) 2398 return NULL; 2399 2400 skb_reserve(skb, hw->extra_tx_headroom); 2401 action_frame = skb_put_zero(skb, 27); 2402 memcpy(action_frame->da, da, ETH_ALEN); 2403 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 2404 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2405 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2406 IEEE80211_STYPE_ACTION); 2407 action_frame->u.action.category = WLAN_CATEGORY_HT; 2408 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 2409 switch (smps) { 2410 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 2411 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 2412 WARN_ON(1); 2413 fallthrough; 2414 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 2415 action_frame->u.action.u.ht_smps.smps_control = 2416 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 2417 break; 2418 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 2419 action_frame->u.action.u.ht_smps.smps_control = 2420 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 2421 break; 2422 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 2423 action_frame->u.action.u.ht_smps.smps_control = 2424 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 2425 break; 2426 } 2427 2428 return skb; 2429} 2430 2431int rtl_send_smps_action(struct ieee80211_hw *hw, 2432 struct ieee80211_sta *sta, 2433 enum ieee80211_smps_mode smps) 2434{ 2435 struct rtl_priv *rtlpriv = rtl_priv(hw); 2436 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2437 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 2438 struct sk_buff *skb = NULL; 2439 struct rtl_tcb_desc tcb_desc; 2440 u8 bssid[ETH_ALEN] = {0}; 2441 2442 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 2443 2444 if (rtlpriv->mac80211.act_scanning) 2445 goto err_free; 2446 2447 if (!sta) 2448 goto err_free; 2449 2450 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 2451 goto err_free; 2452 2453 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 2454 goto err_free; 2455 2456 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 2457 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 2458 else 2459 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 2460 2461 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 2462 /* this is a type = mgmt * stype = action frame */ 2463 if (skb) { 2464 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 2465 struct rtl_sta_info *sta_entry = 2466 (struct rtl_sta_info *) sta->drv_priv; 2467 sta_entry->mimo_ps = smps; 2468 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */ 2469 2470 info->control.rates[0].idx = 0; 2471 info->band = hw->conf.chandef.chan->band; 2472 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 2473 } 2474 return 1; 2475 2476err_free: 2477 return 0; 2478} 2479EXPORT_SYMBOL(rtl_send_smps_action); 2480 2481void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 2482{ 2483 struct rtl_priv *rtlpriv = rtl_priv(hw); 2484 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2485 enum io_type iotype; 2486 2487 if (!is_hal_stop(rtlhal)) { 2488 switch (operation) { 2489 case SCAN_OPT_BACKUP: 2490 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 2491 rtlpriv->cfg->ops->set_hw_reg(hw, 2492 HW_VAR_IO_CMD, 2493 (u8 *)&iotype); 2494 break; 2495 case SCAN_OPT_RESTORE: 2496 iotype = IO_CMD_RESUME_DM_BY_SCAN; 2497 rtlpriv->cfg->ops->set_hw_reg(hw, 2498 HW_VAR_IO_CMD, 2499 (u8 *)&iotype); 2500 break; 2501 default: 2502 pr_err("Unknown Scan Backup operation.\n"); 2503 break; 2504 } 2505 } 2506} 2507EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 2508 2509/* because mac80211 have issues when can receive del ba 2510 * so here we just make a fake del_ba if we receive a ba_req 2511 * but rx_agg was opened to let mac80211 release some ba 2512 * related resources, so please this del_ba for tx 2513 */ 2514struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 2515 u8 *sa, u8 *bssid, u16 tid) 2516{ 2517 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2518 struct sk_buff *skb; 2519 struct ieee80211_mgmt *action_frame; 2520 u16 params; 2521 2522 /* 27 = header + category + action + smps mode */ 2523 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 2524 if (!skb) 2525 return NULL; 2526 2527 skb_reserve(skb, hw->extra_tx_headroom); 2528 action_frame = skb_put_zero(skb, 34); 2529 memcpy(action_frame->sa, sa, ETH_ALEN); 2530 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 2531 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2532 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2533 IEEE80211_STYPE_ACTION); 2534 action_frame->u.action.category = WLAN_CATEGORY_BACK; 2535 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 2536 params = (u16)(1 << 11); /* bit 11 initiator */ 2537 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 2538 2539 action_frame->u.action.u.delba.params = cpu_to_le16(params); 2540 action_frame->u.action.u.delba.reason_code = 2541 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 2542 2543 return skb; 2544} 2545 2546/********************************************************* 2547 * 2548 * IOT functions 2549 * 2550 *********************************************************/ 2551static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 2552 struct octet_string vendor_ie) 2553{ 2554 struct rtl_priv *rtlpriv = rtl_priv(hw); 2555 bool matched = false; 2556 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 2557 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 2558 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 2559 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 2560 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 2561 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 2562 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 2563 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 2564 2565 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 2566 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 2567 rtlpriv->mac80211.vendor = PEER_ATH; 2568 matched = true; 2569 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 2570 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 2571 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 2572 rtlpriv->mac80211.vendor = PEER_BROAD; 2573 matched = true; 2574 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 2575 rtlpriv->mac80211.vendor = PEER_RAL; 2576 matched = true; 2577 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 2578 rtlpriv->mac80211.vendor = PEER_CISCO; 2579 matched = true; 2580 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 2581 rtlpriv->mac80211.vendor = PEER_MARV; 2582 matched = true; 2583 } 2584 2585 return matched; 2586} 2587 2588static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 2589 unsigned int len) 2590{ 2591 struct ieee80211_mgmt *mgmt = (void *)data; 2592 struct octet_string vendor_ie; 2593 u8 *pos, *end; 2594 2595 pos = (u8 *)mgmt->u.beacon.variable; 2596 end = data + len; 2597 while (pos < end) { 2598 if (pos[0] == 221) { 2599 vendor_ie.length = pos[1]; 2600 vendor_ie.octet = &pos[2]; 2601 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 2602 return true; 2603 } 2604 2605 if (pos + 2 + pos[1] > end) 2606 return false; 2607 2608 pos += 2 + pos[1]; 2609 } 2610 return false; 2611} 2612 2613void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 2614{ 2615 struct rtl_priv *rtlpriv = rtl_priv(hw); 2616 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2617 struct ieee80211_hdr *hdr = (void *)data; 2618 u32 vendor = PEER_UNKNOWN; 2619 2620 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 2621 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 2622 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 2623 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 2624 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 2625 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 2626 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 2627 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 2628 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 2629 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 2630 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 2631 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 2632 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 2633 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 2634 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 2635 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 2636 2637 if (mac->opmode != NL80211_IFTYPE_STATION) 2638 return; 2639 2640 if (mac->link_state == MAC80211_NOLINK) { 2641 mac->vendor = PEER_UNKNOWN; 2642 return; 2643 } 2644 2645 if (mac->cnt_after_linked > 2) 2646 return; 2647 2648 /* check if this really is a beacon */ 2649 if (!ieee80211_is_beacon(hdr->frame_control)) 2650 return; 2651 2652 /* min. beacon length + FCS_LEN */ 2653 if (len <= 40 + FCS_LEN) 2654 return; 2655 2656 /* and only beacons from the associated BSSID, please */ 2657 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 2658 return; 2659 2660 if (rtl_find_221_ie(hw, data, len)) 2661 vendor = mac->vendor; 2662 2663 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 2664 (memcmp(mac->bssid, ap5_2, 3) == 0) || 2665 (memcmp(mac->bssid, ap5_3, 3) == 0) || 2666 (memcmp(mac->bssid, ap5_4, 3) == 0) || 2667 (memcmp(mac->bssid, ap5_5, 3) == 0) || 2668 (memcmp(mac->bssid, ap5_6, 3) == 0) || 2669 vendor == PEER_ATH) { 2670 vendor = PEER_ATH; 2671 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 2672 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 2673 (memcmp(mac->bssid, ap4_5, 3) == 0) || 2674 (memcmp(mac->bssid, ap4_1, 3) == 0) || 2675 (memcmp(mac->bssid, ap4_2, 3) == 0) || 2676 (memcmp(mac->bssid, ap4_3, 3) == 0) || 2677 vendor == PEER_RAL) { 2678 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 2679 vendor = PEER_RAL; 2680 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 2681 vendor == PEER_CISCO) { 2682 vendor = PEER_CISCO; 2683 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 2684 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 2685 (memcmp(mac->bssid, ap3_2, 3) == 0) || 2686 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2687 vendor == PEER_BROAD) { 2688 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2689 vendor = PEER_BROAD; 2690 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2691 vendor == PEER_MARV) { 2692 vendor = PEER_MARV; 2693 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2694 } 2695 2696 mac->vendor = vendor; 2697} 2698EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2699 2700MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2701MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2702MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2703MODULE_LICENSE("GPL"); 2704MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2705 2706static int __init rtl_core_module_init(void) 2707{ 2708 BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION); 2709 BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION); 2710 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION); 2711 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1)); 2712 2713 if (rtl_rate_control_register()) 2714 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2715 2716 /* add debugfs */ 2717 rtl_debugfs_add_topdir(); 2718 2719 return 0; 2720} 2721 2722static void __exit rtl_core_module_exit(void) 2723{ 2724 /*RC*/ 2725 rtl_rate_control_unregister(); 2726 2727 /* remove debugfs */ 2728 rtl_debugfs_remove_topdir(); 2729} 2730 2731module_init(rtl_core_module_init); 2732module_exit(rtl_core_module_exit);
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