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 *********************************************************/ 41 static 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 58 static 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 85 static 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 }; 99 100 static 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 }; 110 111 static 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 }; 122 123 static 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 }; 134 135 static 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 }; 145 146 u8 rtl_tid_to_ac(u8 tid) 147 { 148 return tid_to_ac[tid]; 149 } 150 EXPORT_SYMBOL_GPL(rtl_tid_to_ac); 151 152 static 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 } 218 219 static 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 } 295 296 static 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 } 438 439 static void rtl_watchdog_wq_callback(struct work_struct *work); 440 static void rtl_fwevt_wq_callback(struct work_struct *work); 441 static void rtl_c2hcmd_wq_callback(struct work_struct *work); 442 443 static 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", 0, 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 } 471 472 void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq) 473 { 474 struct rtl_priv *rtlpriv = rtl_priv(hw); 475 476 del_timer_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 } 488 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); 489 490 void 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 } 516 EXPORT_SYMBOL(rtl_init_rfkill); 517 518 void rtl_deinit_rfkill(struct ieee80211_hw *hw) 519 { 520 wiphy_rfkill_stop_polling(hw->wiphy); 521 } 522 EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); 523 524 int 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 } 570 EXPORT_SYMBOL_GPL(rtl_init_core); 571 572 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw); 573 static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, 574 bool timeout); 575 576 void rtl_deinit_core(struct ieee80211_hw *hw) 577 { 578 rtl_c2hcmd_launcher(hw, 0); 579 rtl_free_entries_from_scan_list(hw); 580 rtl_free_entries_from_ack_queue(hw, false); 581 } 582 EXPORT_SYMBOL_GPL(rtl_deinit_core); 583 584 void rtl_init_rx_config(struct ieee80211_hw *hw) 585 { 586 struct rtl_priv *rtlpriv = rtl_priv(hw); 587 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 588 589 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); 590 } 591 EXPORT_SYMBOL_GPL(rtl_init_rx_config); 592 593 /********************************************************* 594 * 595 * tx information functions 596 * 597 *********************************************************/ 598 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, 599 struct rtl_tcb_desc *tcb_desc, 600 struct ieee80211_tx_info *info) 601 { 602 struct rtl_priv *rtlpriv = rtl_priv(hw); 603 u8 rate_flag = info->control.rates[0].flags; 604 605 tcb_desc->use_shortpreamble = false; 606 607 /* 1M can only use Long Preamble. 11B spec */ 608 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) 609 return; 610 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 611 tcb_desc->use_shortpreamble = true; 612 613 return; 614 } 615 616 static void _rtl_query_shortgi(struct ieee80211_hw *hw, 617 struct ieee80211_sta *sta, 618 struct rtl_tcb_desc *tcb_desc, 619 struct ieee80211_tx_info *info) 620 { 621 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 622 u8 rate_flag = info->control.rates[0].flags; 623 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; 624 u8 sgi_80 = 0, bw_80 = 0; 625 626 tcb_desc->use_shortgi = false; 627 628 if (sta == NULL) 629 return; 630 631 sgi_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 632 sgi_20 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 633 sgi_80 = sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; 634 635 if (!sta->deflink.ht_cap.ht_supported && 636 !sta->deflink.vht_cap.vht_supported) 637 return; 638 639 if (!sgi_40 && !sgi_20) 640 return; 641 642 if (mac->opmode == NL80211_IFTYPE_STATION) { 643 bw_40 = mac->bw_40; 644 bw_80 = mac->bw_80; 645 } else if (mac->opmode == NL80211_IFTYPE_AP || 646 mac->opmode == NL80211_IFTYPE_ADHOC || 647 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 648 bw_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; 649 bw_80 = sta->deflink.vht_cap.vht_supported; 650 } 651 652 if (bw_80) { 653 if (sgi_80) 654 tcb_desc->use_shortgi = true; 655 else 656 tcb_desc->use_shortgi = false; 657 } else { 658 if (bw_40 && sgi_40) 659 tcb_desc->use_shortgi = true; 660 else if (!bw_40 && sgi_20) 661 tcb_desc->use_shortgi = true; 662 } 663 664 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) 665 tcb_desc->use_shortgi = false; 666 } 667 668 static void _rtl_query_protection_mode(struct ieee80211_hw *hw, 669 struct rtl_tcb_desc *tcb_desc, 670 struct ieee80211_tx_info *info) 671 { 672 struct rtl_priv *rtlpriv = rtl_priv(hw); 673 u8 rate_flag = info->control.rates[0].flags; 674 675 /* Common Settings */ 676 tcb_desc->rts_stbc = false; 677 tcb_desc->cts_enable = false; 678 tcb_desc->rts_sc = 0; 679 tcb_desc->rts_bw = false; 680 tcb_desc->rts_use_shortpreamble = false; 681 tcb_desc->rts_use_shortgi = false; 682 683 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { 684 /* Use CTS-to-SELF in protection mode. */ 685 tcb_desc->rts_enable = true; 686 tcb_desc->cts_enable = true; 687 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 688 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { 689 /* Use RTS-CTS in protection mode. */ 690 tcb_desc->rts_enable = true; 691 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 692 } 693 } 694 695 u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index, 696 enum wireless_mode wirelessmode) 697 { 698 struct rtl_priv *rtlpriv = rtl_priv(hw); 699 struct rtl_phy *rtlphy = &rtlpriv->phy; 700 u8 ret = 0; 701 702 switch (rate_index) { 703 case RATR_INX_WIRELESS_NGB: 704 if (rtlphy->rf_type == RF_1T1R) 705 ret = RATEID_IDX_BGN_40M_1SS; 706 else 707 ret = RATEID_IDX_BGN_40M_2SS; 708 ; break; 709 case RATR_INX_WIRELESS_N: 710 case RATR_INX_WIRELESS_NG: 711 if (rtlphy->rf_type == RF_1T1R) 712 ret = RATEID_IDX_GN_N1SS; 713 else 714 ret = RATEID_IDX_GN_N2SS; 715 ; break; 716 case RATR_INX_WIRELESS_NB: 717 if (rtlphy->rf_type == RF_1T1R) 718 ret = RATEID_IDX_BGN_20M_1SS_BN; 719 else 720 ret = RATEID_IDX_BGN_20M_2SS_BN; 721 ; break; 722 case RATR_INX_WIRELESS_GB: 723 ret = RATEID_IDX_BG; 724 break; 725 case RATR_INX_WIRELESS_G: 726 ret = RATEID_IDX_G; 727 break; 728 case RATR_INX_WIRELESS_B: 729 ret = RATEID_IDX_B; 730 break; 731 case RATR_INX_WIRELESS_MC: 732 if (wirelessmode == WIRELESS_MODE_B || 733 wirelessmode == WIRELESS_MODE_G || 734 wirelessmode == WIRELESS_MODE_N_24G || 735 wirelessmode == WIRELESS_MODE_AC_24G) 736 ret = RATEID_IDX_BG; 737 else 738 ret = RATEID_IDX_G; 739 break; 740 case RATR_INX_WIRELESS_AC_5N: 741 if (rtlphy->rf_type == RF_1T1R) 742 ret = RATEID_IDX_VHT_1SS; 743 else 744 ret = RATEID_IDX_VHT_2SS; 745 break; 746 case RATR_INX_WIRELESS_AC_24N: 747 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 748 if (rtlphy->rf_type == RF_1T1R) 749 ret = RATEID_IDX_VHT_1SS; 750 else 751 ret = RATEID_IDX_VHT_2SS; 752 } else { 753 if (rtlphy->rf_type == RF_1T1R) 754 ret = RATEID_IDX_MIX1; 755 else 756 ret = RATEID_IDX_MIX2; 757 } 758 break; 759 default: 760 ret = RATEID_IDX_BGN_40M_2SS; 761 break; 762 } 763 return ret; 764 } 765 EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id); 766 767 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, 768 struct ieee80211_sta *sta, 769 struct rtl_tcb_desc *tcb_desc) 770 { 771 #define SET_RATE_ID(rate_id) \ 772 ({typeof(rate_id) _id = rate_id; \ 773 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 774 rtl_mrate_idx_to_arfr_id(hw, _id, \ 775 (sta_entry ? sta_entry->wireless_mode : \ 776 WIRELESS_MODE_G)) : \ 777 _id); }) 778 779 struct rtl_priv *rtlpriv = rtl_priv(hw); 780 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 781 struct rtl_sta_info *sta_entry = NULL; 782 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 783 784 if (sta) { 785 sta_entry = (struct rtl_sta_info *) sta->drv_priv; 786 ratr_index = sta_entry->ratr_index; 787 } 788 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { 789 if (mac->opmode == NL80211_IFTYPE_STATION) { 790 tcb_desc->ratr_index = 0; 791 } else if (mac->opmode == NL80211_IFTYPE_ADHOC || 792 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 793 if (tcb_desc->multicast || tcb_desc->broadcast) { 794 tcb_desc->hw_rate = 795 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; 796 tcb_desc->use_driver_rate = 1; 797 tcb_desc->ratr_index = 798 SET_RATE_ID(RATR_INX_WIRELESS_MC); 799 } else { 800 tcb_desc->ratr_index = ratr_index; 801 } 802 } else if (mac->opmode == NL80211_IFTYPE_AP) { 803 tcb_desc->ratr_index = ratr_index; 804 } 805 } 806 807 if (rtlpriv->dm.useramask) { 808 tcb_desc->ratr_index = ratr_index; 809 /* TODO we will differentiate adhoc and station future */ 810 if (mac->opmode == NL80211_IFTYPE_STATION || 811 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 812 tcb_desc->mac_id = 0; 813 814 if (sta && 815 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID)) 816 ; /* use sta_entry->ratr_index */ 817 else if (mac->mode == WIRELESS_MODE_AC_5G) 818 tcb_desc->ratr_index = 819 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N); 820 else if (mac->mode == WIRELESS_MODE_AC_24G) 821 tcb_desc->ratr_index = 822 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N); 823 else if (mac->mode == WIRELESS_MODE_N_24G) 824 tcb_desc->ratr_index = 825 SET_RATE_ID(RATR_INX_WIRELESS_NGB); 826 else if (mac->mode == WIRELESS_MODE_N_5G) 827 tcb_desc->ratr_index = 828 SET_RATE_ID(RATR_INX_WIRELESS_NG); 829 else if (mac->mode & WIRELESS_MODE_G) 830 tcb_desc->ratr_index = 831 SET_RATE_ID(RATR_INX_WIRELESS_GB); 832 else if (mac->mode & WIRELESS_MODE_B) 833 tcb_desc->ratr_index = 834 SET_RATE_ID(RATR_INX_WIRELESS_B); 835 else if (mac->mode & WIRELESS_MODE_A) 836 tcb_desc->ratr_index = 837 SET_RATE_ID(RATR_INX_WIRELESS_G); 838 839 } else if (mac->opmode == NL80211_IFTYPE_AP || 840 mac->opmode == NL80211_IFTYPE_ADHOC) { 841 if (NULL != sta) { 842 if (sta->aid > 0) 843 tcb_desc->mac_id = sta->aid + 1; 844 else 845 tcb_desc->mac_id = 1; 846 } else { 847 tcb_desc->mac_id = 0; 848 } 849 } 850 } 851 #undef SET_RATE_ID 852 } 853 854 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, 855 struct ieee80211_sta *sta, 856 struct rtl_tcb_desc *tcb_desc) 857 { 858 struct rtl_priv *rtlpriv = rtl_priv(hw); 859 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 860 861 tcb_desc->packet_bw = false; 862 if (!sta) 863 return; 864 if (mac->opmode == NL80211_IFTYPE_AP || 865 mac->opmode == NL80211_IFTYPE_ADHOC || 866 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 867 if (!(sta->deflink.ht_cap.ht_supported) || 868 !(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 869 return; 870 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 871 if (!mac->bw_40 || !(sta->deflink.ht_cap.ht_supported)) 872 return; 873 } 874 if (tcb_desc->multicast || tcb_desc->broadcast) 875 return; 876 877 /*use legency rate, shall use 20MHz */ 878 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) 879 return; 880 881 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; 882 883 if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) { 884 if (mac->opmode == NL80211_IFTYPE_AP || 885 mac->opmode == NL80211_IFTYPE_ADHOC || 886 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 887 if (!(sta->deflink.vht_cap.vht_supported)) 888 return; 889 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 890 if (!mac->bw_80 || 891 !(sta->deflink.vht_cap.vht_supported)) 892 return; 893 } 894 if (tcb_desc->hw_rate <= 895 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) 896 return; 897 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; 898 } 899 } 900 901 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, 902 struct ieee80211_sta *sta) 903 { 904 struct rtl_priv *rtlpriv = rtl_priv(hw); 905 struct rtl_phy *rtlphy = &(rtlpriv->phy); 906 u8 hw_rate; 907 u16 tx_mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.tx_mcs_map); 908 909 if ((get_rf_type(rtlphy) == RF_2T2R) && 910 (tx_mcs_map & 0x000c) != 0x000c) { 911 if ((tx_mcs_map & 0x000c) >> 2 == 912 IEEE80211_VHT_MCS_SUPPORT_0_7) 913 hw_rate = 914 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; 915 else if ((tx_mcs_map & 0x000c) >> 2 == 916 IEEE80211_VHT_MCS_SUPPORT_0_8) 917 hw_rate = 918 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8]; 919 else 920 hw_rate = 921 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 922 } else { 923 if ((tx_mcs_map & 0x0003) == 924 IEEE80211_VHT_MCS_SUPPORT_0_7) 925 hw_rate = 926 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; 927 else if ((tx_mcs_map & 0x0003) == 928 IEEE80211_VHT_MCS_SUPPORT_0_8) 929 hw_rate = 930 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8]; 931 else 932 hw_rate = 933 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 934 } 935 936 return hw_rate; 937 } 938 939 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, 940 struct ieee80211_sta *sta) 941 { 942 struct rtl_priv *rtlpriv = rtl_priv(hw); 943 struct rtl_phy *rtlphy = &rtlpriv->phy; 944 u8 hw_rate; 945 946 if (get_rf_type(rtlphy) == RF_2T2R && 947 sta->deflink.ht_cap.mcs.rx_mask[1] != 0) 948 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; 949 else 950 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; 951 952 return hw_rate; 953 } 954 955 /* mac80211's rate_idx is like this: 956 * 957 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ 958 * 959 * B/G rate: 960 * (rx_status->flag & RX_FLAG_HT) = 0, 961 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, 962 * 963 * N rate: 964 * (rx_status->flag & RX_FLAG_HT) = 1, 965 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 966 * 967 * 5G band:rx_status->band == NL80211_BAND_5GHZ 968 * A rate: 969 * (rx_status->flag & RX_FLAG_HT) = 0, 970 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, 971 * 972 * N rate: 973 * (rx_status->flag & RX_FLAG_HT) = 1, 974 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 975 * 976 * VHT rates: 977 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 978 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 979 */ 980 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, 981 u8 desc_rate) 982 { 983 int rate_idx; 984 985 if (isvht) { 986 switch (desc_rate) { 987 case DESC_RATEVHT1SS_MCS0: 988 rate_idx = 0; 989 break; 990 case DESC_RATEVHT1SS_MCS1: 991 rate_idx = 1; 992 break; 993 case DESC_RATEVHT1SS_MCS2: 994 rate_idx = 2; 995 break; 996 case DESC_RATEVHT1SS_MCS3: 997 rate_idx = 3; 998 break; 999 case DESC_RATEVHT1SS_MCS4: 1000 rate_idx = 4; 1001 break; 1002 case DESC_RATEVHT1SS_MCS5: 1003 rate_idx = 5; 1004 break; 1005 case DESC_RATEVHT1SS_MCS6: 1006 rate_idx = 6; 1007 break; 1008 case DESC_RATEVHT1SS_MCS7: 1009 rate_idx = 7; 1010 break; 1011 case DESC_RATEVHT1SS_MCS8: 1012 rate_idx = 8; 1013 break; 1014 case DESC_RATEVHT1SS_MCS9: 1015 rate_idx = 9; 1016 break; 1017 case DESC_RATEVHT2SS_MCS0: 1018 rate_idx = 0; 1019 break; 1020 case DESC_RATEVHT2SS_MCS1: 1021 rate_idx = 1; 1022 break; 1023 case DESC_RATEVHT2SS_MCS2: 1024 rate_idx = 2; 1025 break; 1026 case DESC_RATEVHT2SS_MCS3: 1027 rate_idx = 3; 1028 break; 1029 case DESC_RATEVHT2SS_MCS4: 1030 rate_idx = 4; 1031 break; 1032 case DESC_RATEVHT2SS_MCS5: 1033 rate_idx = 5; 1034 break; 1035 case DESC_RATEVHT2SS_MCS6: 1036 rate_idx = 6; 1037 break; 1038 case DESC_RATEVHT2SS_MCS7: 1039 rate_idx = 7; 1040 break; 1041 case DESC_RATEVHT2SS_MCS8: 1042 rate_idx = 8; 1043 break; 1044 case DESC_RATEVHT2SS_MCS9: 1045 rate_idx = 9; 1046 break; 1047 default: 1048 rate_idx = 0; 1049 break; 1050 } 1051 return rate_idx; 1052 } 1053 if (false == isht) { 1054 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 1055 switch (desc_rate) { 1056 case DESC_RATE1M: 1057 rate_idx = 0; 1058 break; 1059 case DESC_RATE2M: 1060 rate_idx = 1; 1061 break; 1062 case DESC_RATE5_5M: 1063 rate_idx = 2; 1064 break; 1065 case DESC_RATE11M: 1066 rate_idx = 3; 1067 break; 1068 case DESC_RATE6M: 1069 rate_idx = 4; 1070 break; 1071 case DESC_RATE9M: 1072 rate_idx = 5; 1073 break; 1074 case DESC_RATE12M: 1075 rate_idx = 6; 1076 break; 1077 case DESC_RATE18M: 1078 rate_idx = 7; 1079 break; 1080 case DESC_RATE24M: 1081 rate_idx = 8; 1082 break; 1083 case DESC_RATE36M: 1084 rate_idx = 9; 1085 break; 1086 case DESC_RATE48M: 1087 rate_idx = 10; 1088 break; 1089 case DESC_RATE54M: 1090 rate_idx = 11; 1091 break; 1092 default: 1093 rate_idx = 0; 1094 break; 1095 } 1096 } else { 1097 switch (desc_rate) { 1098 case DESC_RATE6M: 1099 rate_idx = 0; 1100 break; 1101 case DESC_RATE9M: 1102 rate_idx = 1; 1103 break; 1104 case DESC_RATE12M: 1105 rate_idx = 2; 1106 break; 1107 case DESC_RATE18M: 1108 rate_idx = 3; 1109 break; 1110 case DESC_RATE24M: 1111 rate_idx = 4; 1112 break; 1113 case DESC_RATE36M: 1114 rate_idx = 5; 1115 break; 1116 case DESC_RATE48M: 1117 rate_idx = 6; 1118 break; 1119 case DESC_RATE54M: 1120 rate_idx = 7; 1121 break; 1122 default: 1123 rate_idx = 0; 1124 break; 1125 } 1126 } 1127 } else { 1128 switch (desc_rate) { 1129 case DESC_RATEMCS0: 1130 rate_idx = 0; 1131 break; 1132 case DESC_RATEMCS1: 1133 rate_idx = 1; 1134 break; 1135 case DESC_RATEMCS2: 1136 rate_idx = 2; 1137 break; 1138 case DESC_RATEMCS3: 1139 rate_idx = 3; 1140 break; 1141 case DESC_RATEMCS4: 1142 rate_idx = 4; 1143 break; 1144 case DESC_RATEMCS5: 1145 rate_idx = 5; 1146 break; 1147 case DESC_RATEMCS6: 1148 rate_idx = 6; 1149 break; 1150 case DESC_RATEMCS7: 1151 rate_idx = 7; 1152 break; 1153 case DESC_RATEMCS8: 1154 rate_idx = 8; 1155 break; 1156 case DESC_RATEMCS9: 1157 rate_idx = 9; 1158 break; 1159 case DESC_RATEMCS10: 1160 rate_idx = 10; 1161 break; 1162 case DESC_RATEMCS11: 1163 rate_idx = 11; 1164 break; 1165 case DESC_RATEMCS12: 1166 rate_idx = 12; 1167 break; 1168 case DESC_RATEMCS13: 1169 rate_idx = 13; 1170 break; 1171 case DESC_RATEMCS14: 1172 rate_idx = 14; 1173 break; 1174 case DESC_RATEMCS15: 1175 rate_idx = 15; 1176 break; 1177 default: 1178 rate_idx = 0; 1179 break; 1180 } 1181 } 1182 return rate_idx; 1183 } 1184 EXPORT_SYMBOL(rtlwifi_rate_mapping); 1185 1186 static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw, 1187 struct ieee80211_tx_info *info) 1188 { 1189 struct rtl_priv *rtlpriv = rtl_priv(hw); 1190 struct ieee80211_tx_rate *r = &info->status.rates[0]; 1191 struct ieee80211_rate *txrate; 1192 u8 hw_value = 0x0; 1193 1194 if (r->flags & IEEE80211_TX_RC_MCS) { 1195 /* HT MCS0-15 */ 1196 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 + 1197 r->idx; 1198 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) { 1199 /* VHT MCS0-9, NSS */ 1200 if (ieee80211_rate_get_vht_nss(r) == 2) 1201 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 1202 else 1203 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 1204 1205 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r); 1206 } else { 1207 /* legacy */ 1208 txrate = ieee80211_get_tx_rate(hw, info); 1209 1210 if (txrate) 1211 hw_value = txrate->hw_value; 1212 } 1213 1214 /* check 5G band */ 1215 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G && 1216 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]) 1217 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]; 1218 1219 return hw_value; 1220 } 1221 1222 void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1223 struct ieee80211_tx_info *info, 1224 struct ieee80211_sta *sta, 1225 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1226 { 1227 #define SET_RATE_ID(rate_id) \ 1228 ({typeof(rate_id) _id = rate_id; \ 1229 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 1230 rtl_mrate_idx_to_arfr_id(hw, _id, \ 1231 (sta_entry ? sta_entry->wireless_mode : \ 1232 WIRELESS_MODE_G)) : \ 1233 _id); }) 1234 1235 struct rtl_priv *rtlpriv = rtl_priv(hw); 1236 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1237 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1238 struct rtl_sta_info *sta_entry = 1239 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL); 1240 1241 __le16 fc = rtl_get_fc(skb); 1242 1243 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info); 1244 1245 if (rtl_is_tx_report_skb(hw, skb)) 1246 tcb_desc->use_spe_rpt = 1; 1247 1248 if (ieee80211_is_data(fc)) { 1249 /* 1250 *we set data rate INX 0 1251 *in rtl_rc.c if skb is special data or 1252 *mgt which need low data rate. 1253 */ 1254 1255 /* 1256 *So tcb_desc->hw_rate is just used for 1257 *special data and mgt frames 1258 */ 1259 if (info->control.rates[0].idx == 0 || 1260 ieee80211_is_nullfunc(fc)) { 1261 tcb_desc->use_driver_rate = true; 1262 tcb_desc->ratr_index = 1263 SET_RATE_ID(RATR_INX_WIRELESS_MC); 1264 1265 tcb_desc->disable_ratefallback = 1; 1266 } else { 1267 /* 1268 *because hw will nerver use hw_rate 1269 *when tcb_desc->use_driver_rate = false 1270 *so we never set highest N rate here, 1271 *and N rate will all be controlled by FW 1272 *when tcb_desc->use_driver_rate = false 1273 */ 1274 if (sta && sta->deflink.vht_cap.vht_supported) { 1275 tcb_desc->hw_rate = 1276 _rtl_get_vht_highest_n_rate(hw, sta); 1277 } else { 1278 if (sta && sta->deflink.ht_cap.ht_supported) { 1279 tcb_desc->hw_rate = 1280 _rtl_get_highest_n_rate(hw, sta); 1281 } else { 1282 if (rtlmac->mode == WIRELESS_MODE_B) { 1283 tcb_desc->hw_rate = 1284 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1285 } else { 1286 tcb_desc->hw_rate = 1287 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1288 } 1289 } 1290 } 1291 } 1292 1293 if (is_multicast_ether_addr(hdr->addr1)) 1294 tcb_desc->multicast = 1; 1295 else if (is_broadcast_ether_addr(hdr->addr1)) 1296 tcb_desc->broadcast = 1; 1297 1298 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1299 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1300 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1301 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1302 _rtl_query_protection_mode(hw, tcb_desc, info); 1303 } else { 1304 tcb_desc->use_driver_rate = true; 1305 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 1306 tcb_desc->disable_ratefallback = 1; 1307 tcb_desc->mac_id = 0; 1308 tcb_desc->packet_bw = false; 1309 } 1310 #undef SET_RATE_ID 1311 } 1312 EXPORT_SYMBOL(rtl_get_tcb_desc); 1313 1314 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1315 { 1316 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1317 struct rtl_priv *rtlpriv = rtl_priv(hw); 1318 __le16 fc = rtl_get_fc(skb); 1319 1320 if (rtlpriv->dm.supp_phymode_switch && 1321 mac->link_state < MAC80211_LINKED && 1322 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { 1323 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1324 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 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 } 1337 EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1338 1339 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1340 u8 *bssid, u16 tid); 1341 1342 static 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 1367 bool 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 if (!sta_entry) { 1412 rcu_read_unlock(); 1413 return true; 1414 } 1415 capab = 1416 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1417 tid = (capab & 1418 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1419 if (tid >= MAX_TID_COUNT) { 1420 rcu_read_unlock(); 1421 return true; 1422 } 1423 tid_data = &sta_entry->tids[tid]; 1424 if (tid_data->agg.rx_agg_state == 1425 RTL_RX_AGG_START) 1426 process_agg_start(hw, hdr, tid); 1427 rcu_read_unlock(); 1428 } 1429 break; 1430 case ACT_ADDBARSP: 1431 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1432 "%s ACT_ADDBARSP From :%pM\n", 1433 is_tx ? "Tx" : "Rx", hdr->addr2); 1434 break; 1435 case ACT_DELBA: 1436 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1437 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1438 break; 1439 } 1440 break; 1441 default: 1442 break; 1443 } 1444 1445 return true; 1446 } 1447 EXPORT_SYMBOL_GPL(rtl_action_proc); 1448 1449 static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc, 1450 int type) 1451 { 1452 struct ieee80211_hw *hw = rtlpriv->hw; 1453 1454 rtlpriv->ra.is_special_data = true; 1455 if (rtlpriv->cfg->ops->get_btc_status()) 1456 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1457 rtlpriv, type); 1458 rtl_lps_leave(hw, false); 1459 ppsc->last_delaylps_stamp_jiffies = jiffies; 1460 } 1461 1462 static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw, 1463 struct sk_buff *skb, bool is_enc) 1464 { 1465 struct rtl_priv *rtlpriv = rtl_priv(hw); 1466 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1467 u8 encrypt_header_len = 0; 1468 u8 offset; 1469 1470 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1471 case WEP40_ENCRYPTION: 1472 case WEP104_ENCRYPTION: 1473 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1474 break; 1475 case TKIP_ENCRYPTION: 1476 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1477 break; 1478 case AESCCMP_ENCRYPTION: 1479 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1480 break; 1481 default: 1482 break; 1483 } 1484 1485 offset = mac_hdr_len + SNAP_SIZE; 1486 if (is_enc) 1487 offset += encrypt_header_len; 1488 1489 return skb->data + offset; 1490 } 1491 1492 /*should call before software enc*/ 1493 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, 1494 bool is_enc) 1495 { 1496 struct rtl_priv *rtlpriv = rtl_priv(hw); 1497 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1498 __le16 fc = rtl_get_fc(skb); 1499 u16 ether_type; 1500 const u8 *ether_type_ptr; 1501 const struct iphdr *ip; 1502 1503 if (!ieee80211_is_data(fc)) 1504 goto end; 1505 1506 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc); 1507 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1508 1509 if (ETH_P_IP == ether_type) { 1510 ip = (struct iphdr *)((u8 *)ether_type_ptr + 1511 PROTOC_TYPE_SIZE); 1512 if (IPPROTO_UDP == ip->protocol) { 1513 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1514 (ip->ihl << 2)); 1515 if (((((u8 *)udp)[1] == 68) && 1516 (((u8 *)udp)[3] == 67)) || 1517 ((((u8 *)udp)[1] == 67) && 1518 (((u8 *)udp)[3] == 68))) { 1519 /* 68 : UDP BOOTP client 1520 * 67 : UDP BOOTP server 1521 */ 1522 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), 1523 DBG_DMESG, "dhcp %s !!\n", 1524 (is_tx) ? "Tx" : "Rx"); 1525 1526 if (is_tx) 1527 setup_special_tx(rtlpriv, ppsc, 1528 PACKET_DHCP); 1529 1530 return true; 1531 } 1532 } 1533 } else if (ETH_P_ARP == ether_type) { 1534 if (is_tx) 1535 setup_special_tx(rtlpriv, ppsc, PACKET_ARP); 1536 1537 return true; 1538 } else if (ETH_P_PAE == ether_type) { 1539 /* EAPOL is seens as in-4way */ 1540 rtlpriv->btcoexist.btc_info.in_4way = true; 1541 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; 1542 1543 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1544 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1545 1546 if (is_tx) { 1547 rtlpriv->ra.is_special_data = true; 1548 rtl_lps_leave(hw, false); 1549 ppsc->last_delaylps_stamp_jiffies = jiffies; 1550 1551 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL); 1552 } 1553 1554 return true; 1555 } else if (ETH_P_IPV6 == ether_type) { 1556 /* TODO: Handle any IPv6 cases that need special handling. 1557 * For now, always return false 1558 */ 1559 goto end; 1560 } 1561 1562 end: 1563 rtlpriv->ra.is_special_data = false; 1564 return false; 1565 } 1566 EXPORT_SYMBOL_GPL(rtl_is_special_data); 1567 1568 void rtl_tx_ackqueue(struct ieee80211_hw *hw, struct sk_buff *skb) 1569 { 1570 struct rtl_priv *rtlpriv = rtl_priv(hw); 1571 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1572 1573 __skb_queue_tail(&tx_report->queue, skb); 1574 } 1575 EXPORT_SYMBOL_GPL(rtl_tx_ackqueue); 1576 1577 static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, 1578 bool ack) 1579 { 1580 struct rtl_priv *rtlpriv = rtl_priv(hw); 1581 struct ieee80211_tx_info *info; 1582 1583 info = IEEE80211_SKB_CB(skb); 1584 ieee80211_tx_info_clear_status(info); 1585 if (ack) { 1586 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD, 1587 "tx report: ack\n"); 1588 info->flags |= IEEE80211_TX_STAT_ACK; 1589 } else { 1590 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD, 1591 "tx report: not ack\n"); 1592 info->flags &= ~IEEE80211_TX_STAT_ACK; 1593 } 1594 ieee80211_tx_status_irqsafe(hw, skb); 1595 } 1596 1597 bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb) 1598 { 1599 u16 ether_type; 1600 const u8 *ether_type_ptr; 1601 __le16 fc = rtl_get_fc(skb); 1602 1603 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true); 1604 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1605 1606 if (ether_type == ETH_P_PAE || ieee80211_is_nullfunc(fc)) 1607 return true; 1608 1609 return false; 1610 } 1611 1612 static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw, 1613 struct rtlwifi_tx_info *tx_info) 1614 { 1615 struct rtl_priv *rtlpriv = rtl_priv(hw); 1616 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1617 u16 sn; 1618 1619 /* SW_DEFINE[11:8] are reserved (driver fills zeros) 1620 * SW_DEFINE[7:2] are used by driver 1621 * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros) 1622 */ 1623 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2; 1624 1625 tx_report->last_sent_sn = sn; 1626 tx_report->last_sent_time = jiffies; 1627 tx_info->sn = sn; 1628 tx_info->send_time = tx_report->last_sent_time; 1629 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1630 "Send TX-Report sn=0x%X\n", sn); 1631 1632 return sn; 1633 } 1634 1635 void rtl_set_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc, 1636 struct ieee80211_hw *hw, struct rtlwifi_tx_info *tx_info) 1637 { 1638 if (ptcb_desc->use_spe_rpt) { 1639 u16 sn = rtl_get_tx_report_sn(hw, tx_info); 1640 1641 SET_TX_DESC_SPE_RPT(pdesc, 1); 1642 SET_TX_DESC_SW_DEFINE(pdesc, sn); 1643 } 1644 } 1645 EXPORT_SYMBOL_GPL(rtl_set_tx_report); 1646 1647 void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) 1648 { 1649 struct rtl_priv *rtlpriv = rtl_priv(hw); 1650 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1651 struct rtlwifi_tx_info *tx_info; 1652 struct sk_buff_head *queue = &tx_report->queue; 1653 struct sk_buff *skb; 1654 u16 sn; 1655 u8 st, retry; 1656 1657 if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) { 1658 sn = GET_TX_REPORT_SN_V2(tmp_buf); 1659 st = GET_TX_REPORT_ST_V2(tmp_buf); 1660 retry = GET_TX_REPORT_RETRY_V2(tmp_buf); 1661 } else { 1662 sn = GET_TX_REPORT_SN_V1(tmp_buf); 1663 st = GET_TX_REPORT_ST_V1(tmp_buf); 1664 retry = GET_TX_REPORT_RETRY_V1(tmp_buf); 1665 } 1666 1667 tx_report->last_recv_sn = sn; 1668 1669 skb_queue_walk(queue, skb) { 1670 tx_info = rtl_tx_skb_cb_info(skb); 1671 if (tx_info->sn == sn) { 1672 skb_unlink(skb, queue); 1673 rtl_tx_status(hw, skb, st == 0); 1674 break; 1675 } 1676 } 1677 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1678 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", 1679 st, sn, retry); 1680 } 1681 EXPORT_SYMBOL_GPL(rtl_tx_report_handler); 1682 1683 bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) 1684 { 1685 struct rtl_priv *rtlpriv = rtl_priv(hw); 1686 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1687 1688 if (tx_report->last_sent_sn == tx_report->last_recv_sn) 1689 return true; 1690 1691 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { 1692 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_WARNING, 1693 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n", 1694 tx_report->last_sent_sn, tx_report->last_recv_sn); 1695 return true; /* 3 sec. (timeout) seen as acked */ 1696 } 1697 1698 return false; 1699 } 1700 1701 void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms) 1702 { 1703 struct rtl_priv *rtlpriv = rtl_priv(hw); 1704 int i; 1705 1706 for (i = 0; i < wait_ms; i++) { 1707 if (rtl_check_tx_report_acked(hw)) 1708 break; 1709 usleep_range(1000, 2000); 1710 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1711 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); 1712 } 1713 } 1714 1715 u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw, 1716 struct ieee80211_vif *vif, 1717 enum wireless_mode wirelessmode, 1718 struct ieee80211_tx_queue_params *param) 1719 { 1720 u32 reg = 0; 1721 u8 sifstime = 10; 1722 u8 slottime = 20; 1723 1724 /* AIFS = AIFSN * slot time + SIFS */ 1725 switch (wirelessmode) { 1726 case WIRELESS_MODE_A: 1727 case WIRELESS_MODE_N_24G: 1728 case WIRELESS_MODE_N_5G: 1729 case WIRELESS_MODE_AC_5G: 1730 case WIRELESS_MODE_AC_24G: 1731 sifstime = 16; 1732 slottime = 9; 1733 break; 1734 case WIRELESS_MODE_G: 1735 slottime = (vif->bss_conf.use_short_slot ? 9 : 20); 1736 break; 1737 default: 1738 break; 1739 } 1740 1741 reg |= (param->txop & 0x7FF) << 16; 1742 reg |= (fls(param->cw_max) & 0xF) << 12; 1743 reg |= (fls(param->cw_min) & 0xF) << 8; 1744 reg |= (param->aifs & 0x0F) * slottime + sifstime; 1745 1746 return reg; 1747 } 1748 EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param); 1749 1750 /********************************************************* 1751 * 1752 * functions called by core.c 1753 * 1754 *********************************************************/ 1755 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1756 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1757 { 1758 struct rtl_priv *rtlpriv = rtl_priv(hw); 1759 struct rtl_tid_data *tid_data; 1760 struct rtl_sta_info *sta_entry = NULL; 1761 1762 if (sta == NULL) 1763 return -EINVAL; 1764 1765 if (unlikely(tid >= MAX_TID_COUNT)) 1766 return -EINVAL; 1767 1768 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1769 if (!sta_entry) 1770 return -ENXIO; 1771 tid_data = &sta_entry->tids[tid]; 1772 1773 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1774 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1775 *ssn); 1776 1777 tid_data->agg.agg_state = RTL_AGG_START; 1778 1779 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 1780 } 1781 1782 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1783 struct ieee80211_sta *sta, u16 tid) 1784 { 1785 struct rtl_priv *rtlpriv = rtl_priv(hw); 1786 struct rtl_sta_info *sta_entry = NULL; 1787 1788 if (sta == NULL) 1789 return -EINVAL; 1790 1791 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1792 "on ra = %pM tid = %d\n", sta->addr, tid); 1793 1794 if (unlikely(tid >= MAX_TID_COUNT)) 1795 return -EINVAL; 1796 1797 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1798 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1799 1800 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1801 return 0; 1802 } 1803 1804 int rtl_rx_agg_start(struct ieee80211_hw *hw, 1805 struct ieee80211_sta *sta, u16 tid) 1806 { 1807 struct rtl_priv *rtlpriv = rtl_priv(hw); 1808 struct rtl_tid_data *tid_data; 1809 struct rtl_sta_info *sta_entry = NULL; 1810 u8 reject_agg; 1811 1812 if (sta == NULL) 1813 return -EINVAL; 1814 1815 if (unlikely(tid >= MAX_TID_COUNT)) 1816 return -EINVAL; 1817 1818 if (rtlpriv->cfg->ops->get_btc_status()) { 1819 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv, 1820 &reject_agg, 1821 NULL, NULL); 1822 if (reject_agg) 1823 return -EINVAL; 1824 } 1825 1826 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1827 if (!sta_entry) 1828 return -ENXIO; 1829 tid_data = &sta_entry->tids[tid]; 1830 1831 rtl_dbg(rtlpriv, COMP_RECV, DBG_DMESG, 1832 "on ra = %pM tid = %d\n", sta->addr, tid); 1833 1834 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1835 return 0; 1836 } 1837 1838 int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1839 struct ieee80211_sta *sta, u16 tid) 1840 { 1841 struct rtl_priv *rtlpriv = rtl_priv(hw); 1842 struct rtl_sta_info *sta_entry = NULL; 1843 1844 if (sta == NULL) 1845 return -EINVAL; 1846 1847 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1848 "on ra = %pM tid = %d\n", sta->addr, tid); 1849 1850 if (unlikely(tid >= MAX_TID_COUNT)) 1851 return -EINVAL; 1852 1853 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1854 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1855 1856 return 0; 1857 } 1858 1859 int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1860 struct ieee80211_sta *sta, u16 tid) 1861 { 1862 struct rtl_priv *rtlpriv = rtl_priv(hw); 1863 struct rtl_sta_info *sta_entry = NULL; 1864 1865 if (sta == NULL) 1866 return -EINVAL; 1867 1868 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1869 "on ra = %pM tid = %d\n", sta->addr, tid); 1870 1871 if (unlikely(tid >= MAX_TID_COUNT)) 1872 return -EINVAL; 1873 1874 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1875 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1876 1877 return 0; 1878 } 1879 1880 void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) 1881 { 1882 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 1883 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0; 1884 1885 if (rtlpriv->cfg->ops->get_btc_status()) 1886 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, 1887 &ctrl_agg_size, &agg_size); 1888 1889 rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, 1890 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", 1891 reject_agg, ctrl_agg_size, agg_size); 1892 1893 rtlpriv->hw->max_rx_aggregation_subframes = 1894 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT); 1895 } 1896 EXPORT_SYMBOL(rtl_rx_ampdu_apply); 1897 1898 /********************************************************* 1899 * 1900 * wq & timer callback functions 1901 * 1902 *********************************************************/ 1903 /* this function is used for roaming */ 1904 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1905 { 1906 struct rtl_priv *rtlpriv = rtl_priv(hw); 1907 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1908 1909 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1910 return; 1911 1912 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1913 return; 1914 1915 /* check if this really is a beacon */ 1916 if (!ieee80211_is_beacon(hdr->frame_control) && 1917 !ieee80211_is_probe_resp(hdr->frame_control)) 1918 return; 1919 1920 /* min. beacon length + FCS_LEN */ 1921 if (skb->len <= 40 + FCS_LEN) 1922 return; 1923 1924 /* and only beacons from the associated BSSID, please */ 1925 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1926 return; 1927 1928 rtlpriv->link_info.bcn_rx_inperiod++; 1929 } 1930 EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1931 1932 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw) 1933 { 1934 struct rtl_priv *rtlpriv = rtl_priv(hw); 1935 struct rtl_bssid_entry *entry, *next; 1936 1937 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1938 list_del(&entry->list); 1939 kfree(entry); 1940 rtlpriv->scan_list.num--; 1941 } 1942 } 1943 1944 static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, 1945 bool chk_timeout) 1946 { 1947 struct rtl_priv *rtlpriv = rtl_priv(hw); 1948 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1949 struct sk_buff_head *queue = &tx_report->queue; 1950 struct sk_buff *skb, *tmp; 1951 struct rtlwifi_tx_info *tx_info; 1952 1953 skb_queue_walk_safe(queue, skb, tmp) { 1954 tx_info = rtl_tx_skb_cb_info(skb); 1955 if (chk_timeout && 1956 time_after(tx_info->send_time + HZ, jiffies)) 1957 continue; 1958 skb_unlink(skb, queue); 1959 rtl_tx_status(hw, skb, false); 1960 } 1961 } 1962 1963 void rtl_scan_list_expire(struct ieee80211_hw *hw) 1964 { 1965 struct rtl_priv *rtlpriv = rtl_priv(hw); 1966 struct rtl_bssid_entry *entry, *next; 1967 unsigned long flags; 1968 1969 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 1970 1971 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1972 /* 180 seconds */ 1973 if (jiffies_to_msecs(jiffies - entry->age) < 180000) 1974 continue; 1975 1976 list_del(&entry->list); 1977 rtlpriv->scan_list.num--; 1978 1979 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 1980 "BSSID=%pM is expire in scan list (total=%d)\n", 1981 entry->bssid, rtlpriv->scan_list.num); 1982 kfree(entry); 1983 } 1984 1985 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 1986 1987 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1988 } 1989 1990 void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) 1991 { 1992 struct rtl_priv *rtlpriv = rtl_priv(hw); 1993 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1994 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1995 unsigned long flags; 1996 1997 struct rtl_bssid_entry *entry = NULL, *iter; 1998 1999 /* check if it is scanning */ 2000 if (!mac->act_scanning) 2001 return; 2002 2003 /* check if this really is a beacon */ 2004 if (!ieee80211_is_beacon(hdr->frame_control) && 2005 !ieee80211_is_probe_resp(hdr->frame_control)) 2006 return; 2007 2008 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 2009 2010 list_for_each_entry(iter, &rtlpriv->scan_list.list, list) { 2011 if (memcmp(iter->bssid, hdr->addr3, ETH_ALEN) == 0) { 2012 list_del_init(&iter->list); 2013 entry = iter; 2014 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 2015 "Update BSSID=%pM to scan list (total=%d)\n", 2016 hdr->addr3, rtlpriv->scan_list.num); 2017 break; 2018 } 2019 } 2020 2021 if (!entry) { 2022 entry = kmalloc(sizeof(*entry), GFP_ATOMIC); 2023 2024 if (!entry) 2025 goto label_err; 2026 2027 memcpy(entry->bssid, hdr->addr3, ETH_ALEN); 2028 rtlpriv->scan_list.num++; 2029 2030 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 2031 "Add BSSID=%pM to scan list (total=%d)\n", 2032 hdr->addr3, rtlpriv->scan_list.num); 2033 } 2034 2035 entry->age = jiffies; 2036 2037 list_add_tail(&entry->list, &rtlpriv->scan_list.list); 2038 2039 label_err: 2040 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 2041 } 2042 EXPORT_SYMBOL(rtl_collect_scan_list); 2043 2044 static void rtl_watchdog_wq_callback(struct work_struct *work) 2045 { 2046 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2047 watchdog_wq.work); 2048 struct ieee80211_hw *hw = rtlworks->hw; 2049 struct rtl_priv *rtlpriv = rtl_priv(hw); 2050 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2051 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2052 bool busytraffic = false; 2053 bool tx_busy_traffic = false; 2054 bool rx_busy_traffic = false; 2055 bool higher_busytraffic = false; 2056 bool higher_busyrxtraffic = false; 2057 u8 idx, tid; 2058 u32 rx_cnt_inp4eriod = 0; 2059 u32 tx_cnt_inp4eriod = 0; 2060 u32 aver_rx_cnt_inperiod = 0; 2061 u32 aver_tx_cnt_inperiod = 0; 2062 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 2063 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 2064 2065 if (is_hal_stop(rtlhal)) 2066 return; 2067 2068 /* <1> Determine if action frame is allowed */ 2069 if (mac->link_state > MAC80211_NOLINK) { 2070 if (mac->cnt_after_linked < 20) 2071 mac->cnt_after_linked++; 2072 } else { 2073 mac->cnt_after_linked = 0; 2074 } 2075 2076 /* <2> to check if traffic busy, if 2077 * busytraffic we don't change channel 2078 */ 2079 if (mac->link_state >= MAC80211_LINKED) { 2080 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 2081 for (idx = 0; idx <= 2; idx++) { 2082 rtlpriv->link_info.num_rx_in4period[idx] = 2083 rtlpriv->link_info.num_rx_in4period[idx + 1]; 2084 rtlpriv->link_info.num_tx_in4period[idx] = 2085 rtlpriv->link_info.num_tx_in4period[idx + 1]; 2086 } 2087 rtlpriv->link_info.num_rx_in4period[3] = 2088 rtlpriv->link_info.num_rx_inperiod; 2089 rtlpriv->link_info.num_tx_in4period[3] = 2090 rtlpriv->link_info.num_tx_inperiod; 2091 for (idx = 0; idx <= 3; idx++) { 2092 rx_cnt_inp4eriod += 2093 rtlpriv->link_info.num_rx_in4period[idx]; 2094 tx_cnt_inp4eriod += 2095 rtlpriv->link_info.num_tx_in4period[idx]; 2096 } 2097 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 2098 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 2099 2100 /* (2) check traffic busy */ 2101 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 2102 busytraffic = true; 2103 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 2104 rx_busy_traffic = true; 2105 else 2106 tx_busy_traffic = false; 2107 } 2108 2109 /* Higher Tx/Rx data. */ 2110 if (aver_rx_cnt_inperiod > 4000 || 2111 aver_tx_cnt_inperiod > 4000) { 2112 higher_busytraffic = true; 2113 2114 /* Extremely high Rx data. */ 2115 if (aver_rx_cnt_inperiod > 5000) 2116 higher_busyrxtraffic = true; 2117 } 2118 2119 /* check every tid's tx traffic */ 2120 for (tid = 0; tid <= 7; tid++) { 2121 for (idx = 0; idx <= 2; idx++) 2122 rtlpriv->link_info.tidtx_in4period[tid][idx] = 2123 rtlpriv->link_info.tidtx_in4period[tid] 2124 [idx + 1]; 2125 rtlpriv->link_info.tidtx_in4period[tid][3] = 2126 rtlpriv->link_info.tidtx_inperiod[tid]; 2127 2128 for (idx = 0; idx <= 3; idx++) 2129 tidtx_inp4eriod[tid] += 2130 rtlpriv->link_info.tidtx_in4period[tid][idx]; 2131 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 2132 if (aver_tidtx_inperiod[tid] > 5000) 2133 rtlpriv->link_info.higher_busytxtraffic[tid] = 2134 true; 2135 else 2136 rtlpriv->link_info.higher_busytxtraffic[tid] = 2137 false; 2138 } 2139 2140 /* PS is controlled by coex. */ 2141 if (rtlpriv->cfg->ops->get_btc_status() && 2142 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv)) 2143 goto label_lps_done; 2144 2145 if (rtlpriv->link_info.num_rx_inperiod + 2146 rtlpriv->link_info.num_tx_inperiod > 8 || 2147 rtlpriv->link_info.num_rx_inperiod > 2) 2148 rtl_lps_leave(hw, true); 2149 else 2150 rtl_lps_enter(hw, true); 2151 2152 label_lps_done: 2153 ; 2154 } 2155 2156 for (tid = 0; tid <= 7; tid++) 2157 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 2158 2159 rtlpriv->link_info.busytraffic = busytraffic; 2160 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 2161 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 2162 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 2163 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 2164 2165 rtlpriv->stats.txbytesunicast_inperiod = 2166 rtlpriv->stats.txbytesunicast - 2167 rtlpriv->stats.txbytesunicast_last; 2168 rtlpriv->stats.rxbytesunicast_inperiod = 2169 rtlpriv->stats.rxbytesunicast - 2170 rtlpriv->stats.rxbytesunicast_last; 2171 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast; 2172 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast; 2173 2174 rtlpriv->stats.txbytesunicast_inperiod_tp = 2175 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 / 2176 1024 / 1024); 2177 rtlpriv->stats.rxbytesunicast_inperiod_tp = 2178 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 / 2179 1024 / 1024); 2180 2181 /* <3> DM */ 2182 if (!rtlpriv->cfg->mod_params->disable_watchdog) 2183 rtlpriv->cfg->ops->dm_watchdog(hw); 2184 2185 /* <4> roaming */ 2186 if (mac->link_state == MAC80211_LINKED && 2187 mac->opmode == NL80211_IFTYPE_STATION) { 2188 if ((rtlpriv->link_info.bcn_rx_inperiod + 2189 rtlpriv->link_info.num_rx_inperiod) == 0) { 2190 rtlpriv->link_info.roam_times++; 2191 rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG, 2192 "AP off for %d s\n", 2193 (rtlpriv->link_info.roam_times * 2)); 2194 2195 /* if we can't recv beacon for 10s, 2196 * we should reconnect this AP 2197 */ 2198 if (rtlpriv->link_info.roam_times >= 5) { 2199 pr_err("AP off, try to reconnect now\n"); 2200 rtlpriv->link_info.roam_times = 0; 2201 ieee80211_connection_loss( 2202 rtlpriv->mac80211.vif); 2203 } 2204 } else { 2205 rtlpriv->link_info.roam_times = 0; 2206 } 2207 } 2208 2209 if (rtlpriv->cfg->ops->get_btc_status()) 2210 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 2211 2212 if (rtlpriv->btcoexist.btc_info.in_4way) { 2213 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts + 2214 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME))) 2215 rtlpriv->btcoexist.btc_info.in_4way = false; 2216 } 2217 2218 rtlpriv->link_info.num_rx_inperiod = 0; 2219 rtlpriv->link_info.num_tx_inperiod = 0; 2220 rtlpriv->link_info.bcn_rx_inperiod = 0; 2221 2222 /* <6> scan list */ 2223 rtl_scan_list_expire(hw); 2224 2225 /* <7> check ack queue */ 2226 rtl_free_entries_from_ack_queue(hw, true); 2227 } 2228 2229 void rtl_watch_dog_timer_callback(struct timer_list *t) 2230 { 2231 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer); 2232 2233 queue_delayed_work(rtlpriv->works.rtl_wq, 2234 &rtlpriv->works.watchdog_wq, 0); 2235 2236 mod_timer(&rtlpriv->works.watchdog_timer, 2237 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 2238 } 2239 2240 static void rtl_fwevt_wq_callback(struct work_struct *work) 2241 { 2242 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2243 fwevt_wq.work); 2244 struct ieee80211_hw *hw = rtlworks->hw; 2245 struct rtl_priv *rtlpriv = rtl_priv(hw); 2246 2247 rtlpriv->cfg->ops->c2h_command_handle(hw); 2248 } 2249 2250 static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, 2251 struct sk_buff *skb); 2252 2253 static bool rtl_c2h_fast_cmd(struct ieee80211_hw *hw, struct sk_buff *skb) 2254 { 2255 u8 cmd_id = GET_C2H_CMD_ID(skb->data); 2256 2257 switch (cmd_id) { 2258 case C2H_BT_MP: 2259 return true; 2260 default: 2261 break; 2262 } 2263 2264 return false; 2265 } 2266 2267 void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb) 2268 { 2269 struct rtl_priv *rtlpriv = rtl_priv(hw); 2270 2271 if (rtl_c2h_fast_cmd(hw, skb)) { 2272 rtl_c2h_content_parsing(hw, skb); 2273 kfree_skb(skb); 2274 return; 2275 } 2276 2277 /* enqueue */ 2278 skb_queue_tail(&rtlpriv->c2hcmd_queue, skb); 2279 2280 /* wake up wq */ 2281 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0); 2282 } 2283 EXPORT_SYMBOL(rtl_c2hcmd_enqueue); 2284 2285 static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, 2286 struct sk_buff *skb) 2287 { 2288 struct rtl_priv *rtlpriv = rtl_priv(hw); 2289 struct rtl_hal_ops *hal_ops = rtlpriv->cfg->ops; 2290 const struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 2291 u8 cmd_id, cmd_len; 2292 u8 *cmd_buf = NULL; 2293 2294 cmd_id = GET_C2H_CMD_ID(skb->data); 2295 cmd_len = skb->len - C2H_DATA_OFFSET; 2296 cmd_buf = GET_C2H_DATA_PTR(skb->data); 2297 2298 switch (cmd_id) { 2299 case C2H_DBG: 2300 rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n"); 2301 break; 2302 case C2H_TXBF: 2303 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2304 "[C2H], C2H_TXBF!!\n"); 2305 break; 2306 case C2H_TX_REPORT: 2307 rtl_tx_report_handler(hw, cmd_buf, cmd_len); 2308 break; 2309 case C2H_RA_RPT: 2310 if (hal_ops->c2h_ra_report_handler) 2311 hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len); 2312 break; 2313 case C2H_BT_INFO: 2314 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2315 "[C2H], C2H_BT_INFO!!\n"); 2316 if (rtlpriv->cfg->ops->get_btc_status()) 2317 btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len); 2318 break; 2319 case C2H_BT_MP: 2320 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2321 "[C2H], C2H_BT_MP!!\n"); 2322 if (rtlpriv->cfg->ops->get_btc_status()) 2323 btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len); 2324 break; 2325 default: 2326 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2327 "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id); 2328 break; 2329 } 2330 } 2331 2332 void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec) 2333 { 2334 struct rtl_priv *rtlpriv = rtl_priv(hw); 2335 struct sk_buff *skb; 2336 int i; 2337 2338 for (i = 0; i < 200; i++) { 2339 /* dequeue a task */ 2340 skb = skb_dequeue(&rtlpriv->c2hcmd_queue); 2341 2342 /* do it */ 2343 if (!skb) 2344 break; 2345 2346 rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n", 2347 *((u8 *)skb->cb)); 2348 RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG, 2349 "C2H data: ", skb->data, skb->len); 2350 2351 if (exec) 2352 rtl_c2h_content_parsing(hw, skb); 2353 2354 /* free */ 2355 dev_kfree_skb_any(skb); 2356 } 2357 } 2358 2359 static void rtl_c2hcmd_wq_callback(struct work_struct *work) 2360 { 2361 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2362 c2hcmd_wq.work); 2363 struct ieee80211_hw *hw = rtlworks->hw; 2364 2365 rtl_c2hcmd_launcher(hw, 1); 2366 } 2367 2368 /********************************************************* 2369 * 2370 * frame process functions 2371 * 2372 *********************************************************/ 2373 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 2374 { 2375 struct ieee80211_mgmt *mgmt = (void *)data; 2376 u8 *pos, *end; 2377 2378 pos = (u8 *)mgmt->u.beacon.variable; 2379 end = data + len; 2380 while (pos < end) { 2381 if (pos + 2 + pos[1] > end) 2382 return NULL; 2383 2384 if (pos[0] == ie) 2385 return pos; 2386 2387 pos += 2 + pos[1]; 2388 } 2389 return NULL; 2390 } 2391 2392 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 2393 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 2394 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 2395 enum ieee80211_smps_mode smps, 2396 u8 *da, u8 *bssid) 2397 { 2398 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2399 struct sk_buff *skb; 2400 struct ieee80211_mgmt *action_frame; 2401 2402 /* 27 = header + category + action + smps mode */ 2403 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 2404 if (!skb) 2405 return NULL; 2406 2407 skb_reserve(skb, hw->extra_tx_headroom); 2408 action_frame = skb_put_zero(skb, 27); 2409 memcpy(action_frame->da, da, ETH_ALEN); 2410 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 2411 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2412 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2413 IEEE80211_STYPE_ACTION); 2414 action_frame->u.action.category = WLAN_CATEGORY_HT; 2415 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 2416 switch (smps) { 2417 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 2418 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 2419 WARN_ON(1); 2420 fallthrough; 2421 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 2422 action_frame->u.action.u.ht_smps.smps_control = 2423 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 2424 break; 2425 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 2426 action_frame->u.action.u.ht_smps.smps_control = 2427 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 2428 break; 2429 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 2430 action_frame->u.action.u.ht_smps.smps_control = 2431 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 2432 break; 2433 } 2434 2435 return skb; 2436 } 2437 2438 int rtl_send_smps_action(struct ieee80211_hw *hw, 2439 struct ieee80211_sta *sta, 2440 enum ieee80211_smps_mode smps) 2441 { 2442 struct rtl_priv *rtlpriv = rtl_priv(hw); 2443 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2444 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 2445 struct sk_buff *skb = NULL; 2446 struct rtl_tcb_desc tcb_desc; 2447 u8 bssid[ETH_ALEN] = {0}; 2448 2449 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 2450 2451 if (rtlpriv->mac80211.act_scanning) 2452 goto err_free; 2453 2454 if (!sta) 2455 goto err_free; 2456 2457 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 2458 goto err_free; 2459 2460 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 2461 goto err_free; 2462 2463 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 2464 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 2465 else 2466 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 2467 2468 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 2469 /* this is a type = mgmt * stype = action frame */ 2470 if (skb) { 2471 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 2472 struct rtl_sta_info *sta_entry = 2473 (struct rtl_sta_info *) sta->drv_priv; 2474 sta_entry->mimo_ps = smps; 2475 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */ 2476 2477 info->control.rates[0].idx = 0; 2478 info->band = hw->conf.chandef.chan->band; 2479 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 2480 } 2481 return 1; 2482 2483 err_free: 2484 return 0; 2485 } 2486 EXPORT_SYMBOL(rtl_send_smps_action); 2487 2488 void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 2489 { 2490 struct rtl_priv *rtlpriv = rtl_priv(hw); 2491 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2492 enum io_type iotype; 2493 2494 if (!is_hal_stop(rtlhal)) { 2495 switch (operation) { 2496 case SCAN_OPT_BACKUP: 2497 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 2498 rtlpriv->cfg->ops->set_hw_reg(hw, 2499 HW_VAR_IO_CMD, 2500 (u8 *)&iotype); 2501 break; 2502 case SCAN_OPT_RESTORE: 2503 iotype = IO_CMD_RESUME_DM_BY_SCAN; 2504 rtlpriv->cfg->ops->set_hw_reg(hw, 2505 HW_VAR_IO_CMD, 2506 (u8 *)&iotype); 2507 break; 2508 default: 2509 pr_err("Unknown Scan Backup operation.\n"); 2510 break; 2511 } 2512 } 2513 } 2514 EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 2515 2516 /* because mac80211 have issues when can receive del ba 2517 * so here we just make a fake del_ba if we receive a ba_req 2518 * but rx_agg was opened to let mac80211 release some ba 2519 * related resources, so please this del_ba for tx 2520 */ 2521 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 2522 u8 *sa, u8 *bssid, u16 tid) 2523 { 2524 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2525 struct sk_buff *skb; 2526 struct ieee80211_mgmt *action_frame; 2527 u16 params; 2528 2529 /* 27 = header + category + action + smps mode */ 2530 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 2531 if (!skb) 2532 return NULL; 2533 2534 skb_reserve(skb, hw->extra_tx_headroom); 2535 action_frame = skb_put_zero(skb, 34); 2536 memcpy(action_frame->sa, sa, ETH_ALEN); 2537 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 2538 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2539 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2540 IEEE80211_STYPE_ACTION); 2541 action_frame->u.action.category = WLAN_CATEGORY_BACK; 2542 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 2543 params = (u16)(1 << 11); /* bit 11 initiator */ 2544 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 2545 2546 action_frame->u.action.u.delba.params = cpu_to_le16(params); 2547 action_frame->u.action.u.delba.reason_code = 2548 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 2549 2550 return skb; 2551 } 2552 2553 /********************************************************* 2554 * 2555 * IOT functions 2556 * 2557 *********************************************************/ 2558 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 2559 struct octet_string vendor_ie) 2560 { 2561 struct rtl_priv *rtlpriv = rtl_priv(hw); 2562 bool matched = false; 2563 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 2564 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 2565 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 2566 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 2567 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 2568 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 2569 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 2570 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 2571 2572 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 2573 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 2574 rtlpriv->mac80211.vendor = PEER_ATH; 2575 matched = true; 2576 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 2577 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 2578 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 2579 rtlpriv->mac80211.vendor = PEER_BROAD; 2580 matched = true; 2581 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 2582 rtlpriv->mac80211.vendor = PEER_RAL; 2583 matched = true; 2584 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 2585 rtlpriv->mac80211.vendor = PEER_CISCO; 2586 matched = true; 2587 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 2588 rtlpriv->mac80211.vendor = PEER_MARV; 2589 matched = true; 2590 } 2591 2592 return matched; 2593 } 2594 2595 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 2596 unsigned int len) 2597 { 2598 struct ieee80211_mgmt *mgmt = (void *)data; 2599 struct octet_string vendor_ie; 2600 u8 *pos, *end; 2601 2602 pos = (u8 *)mgmt->u.beacon.variable; 2603 end = data + len; 2604 while (pos < end) { 2605 if (pos[0] == 221) { 2606 vendor_ie.length = pos[1]; 2607 vendor_ie.octet = &pos[2]; 2608 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 2609 return true; 2610 } 2611 2612 if (pos + 2 + pos[1] > end) 2613 return false; 2614 2615 pos += 2 + pos[1]; 2616 } 2617 return false; 2618 } 2619 2620 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 2621 { 2622 struct rtl_priv *rtlpriv = rtl_priv(hw); 2623 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2624 struct ieee80211_hdr *hdr = (void *)data; 2625 u32 vendor = PEER_UNKNOWN; 2626 2627 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 2628 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 2629 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 2630 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 2631 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 2632 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 2633 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 2634 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 2635 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 2636 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 2637 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 2638 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 2639 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 2640 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 2641 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 2642 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 2643 2644 if (mac->opmode != NL80211_IFTYPE_STATION) 2645 return; 2646 2647 if (mac->link_state == MAC80211_NOLINK) { 2648 mac->vendor = PEER_UNKNOWN; 2649 return; 2650 } 2651 2652 if (mac->cnt_after_linked > 2) 2653 return; 2654 2655 /* check if this really is a beacon */ 2656 if (!ieee80211_is_beacon(hdr->frame_control)) 2657 return; 2658 2659 /* min. beacon length + FCS_LEN */ 2660 if (len <= 40 + FCS_LEN) 2661 return; 2662 2663 /* and only beacons from the associated BSSID, please */ 2664 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 2665 return; 2666 2667 if (rtl_find_221_ie(hw, data, len)) 2668 vendor = mac->vendor; 2669 2670 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 2671 (memcmp(mac->bssid, ap5_2, 3) == 0) || 2672 (memcmp(mac->bssid, ap5_3, 3) == 0) || 2673 (memcmp(mac->bssid, ap5_4, 3) == 0) || 2674 (memcmp(mac->bssid, ap5_5, 3) == 0) || 2675 (memcmp(mac->bssid, ap5_6, 3) == 0) || 2676 vendor == PEER_ATH) { 2677 vendor = PEER_ATH; 2678 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 2679 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 2680 (memcmp(mac->bssid, ap4_5, 3) == 0) || 2681 (memcmp(mac->bssid, ap4_1, 3) == 0) || 2682 (memcmp(mac->bssid, ap4_2, 3) == 0) || 2683 (memcmp(mac->bssid, ap4_3, 3) == 0) || 2684 vendor == PEER_RAL) { 2685 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 2686 vendor = PEER_RAL; 2687 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 2688 vendor == PEER_CISCO) { 2689 vendor = PEER_CISCO; 2690 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 2691 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 2692 (memcmp(mac->bssid, ap3_2, 3) == 0) || 2693 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2694 vendor == PEER_BROAD) { 2695 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2696 vendor = PEER_BROAD; 2697 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2698 vendor == PEER_MARV) { 2699 vendor = PEER_MARV; 2700 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2701 } 2702 2703 mac->vendor = vendor; 2704 } 2705 EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2706 2707 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2708 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2709 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2710 MODULE_LICENSE("GPL"); 2711 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2712 2713 struct rtl_global_var rtl_global_var = {}; 2714 EXPORT_SYMBOL_GPL(rtl_global_var); 2715 2716 static int __init rtl_core_module_init(void) 2717 { 2718 BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION); 2719 BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION); 2720 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION); 2721 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1)); 2722 2723 if (rtl_rate_control_register()) 2724 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2725 2726 /* add debugfs */ 2727 rtl_debugfs_add_topdir(); 2728 2729 /* init some global vars */ 2730 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); 2731 spin_lock_init(&rtl_global_var.glb_list_lock); 2732 2733 return 0; 2734 } 2735 2736 static void __exit rtl_core_module_exit(void) 2737 { 2738 /*RC*/ 2739 rtl_rate_control_unregister(); 2740 2741 /* remove debugfs */ 2742 rtl_debugfs_remove_topdir(); 2743 } 2744 2745 module_init(rtl_core_module_init); 2746 module_exit(rtl_core_module_exit); 2747