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 timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, 456 rtl_easy_concurrent_retrytimer_callback, 0); 457 /* <2> work queue */ 458 rtlpriv->works.hw = hw; 459 rtlpriv->works.rtl_wq = wq; 460 461 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, 462 rtl_watchdog_wq_callback); 463 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, 464 rtl_ips_nic_off_wq_callback); 465 INIT_DELAYED_WORK(&rtlpriv->works.ps_work, rtl_swlps_wq_callback); 466 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, 467 rtl_swlps_rfon_wq_callback); 468 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, rtl_fwevt_wq_callback); 469 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, rtl_c2hcmd_wq_callback); 470 return 0; 471 } 472 473 void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq) 474 { 475 struct rtl_priv *rtlpriv = rtl_priv(hw); 476 477 del_timer_sync(&rtlpriv->works.watchdog_timer); 478 479 cancel_delayed_work_sync(&rtlpriv->works.watchdog_wq); 480 if (ips_wq) 481 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); 482 else 483 cancel_delayed_work_sync(&rtlpriv->works.ips_nic_off_wq); 484 cancel_delayed_work_sync(&rtlpriv->works.ps_work); 485 cancel_delayed_work_sync(&rtlpriv->works.ps_rfon_wq); 486 cancel_delayed_work_sync(&rtlpriv->works.fwevt_wq); 487 cancel_delayed_work_sync(&rtlpriv->works.c2hcmd_wq); 488 } 489 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); 490 491 void rtl_init_rfkill(struct ieee80211_hw *hw) 492 { 493 struct rtl_priv *rtlpriv = rtl_priv(hw); 494 495 bool radio_state; 496 bool blocked; 497 u8 valid = 0; 498 499 /*set init state to on */ 500 rtlpriv->rfkill.rfkill_state = true; 501 wiphy_rfkill_set_hw_state(hw->wiphy, 0); 502 503 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 504 505 if (valid) { 506 pr_info("rtlwifi: wireless switch is %s\n", 507 rtlpriv->rfkill.rfkill_state ? "on" : "off"); 508 509 rtlpriv->rfkill.rfkill_state = radio_state; 510 511 blocked = rtlpriv->rfkill.rfkill_state != 1; 512 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 513 } 514 515 wiphy_rfkill_start_polling(hw->wiphy); 516 } 517 EXPORT_SYMBOL(rtl_init_rfkill); 518 519 void rtl_deinit_rfkill(struct ieee80211_hw *hw) 520 { 521 wiphy_rfkill_stop_polling(hw->wiphy); 522 } 523 EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); 524 525 int rtl_init_core(struct ieee80211_hw *hw) 526 { 527 struct rtl_priv *rtlpriv = rtl_priv(hw); 528 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 529 530 /* <1> init mac80211 */ 531 _rtl_init_mac80211(hw); 532 rtlmac->hw = hw; 533 534 /* <2> rate control register */ 535 hw->rate_control_algorithm = "rtl_rc"; 536 537 /* 538 * <3> init CRDA must come after init 539 * mac80211 hw in _rtl_init_mac80211. 540 */ 541 if (rtl_regd_init(hw, rtl_reg_notifier)) { 542 pr_err("REGD init failed\n"); 543 return 1; 544 } 545 546 /* <4> locks */ 547 mutex_init(&rtlpriv->locks.conf_mutex); 548 mutex_init(&rtlpriv->locks.ips_mutex); 549 mutex_init(&rtlpriv->locks.lps_mutex); 550 spin_lock_init(&rtlpriv->locks.irq_th_lock); 551 spin_lock_init(&rtlpriv->locks.h2c_lock); 552 spin_lock_init(&rtlpriv->locks.rf_ps_lock); 553 spin_lock_init(&rtlpriv->locks.rf_lock); 554 spin_lock_init(&rtlpriv->locks.waitq_lock); 555 spin_lock_init(&rtlpriv->locks.entry_list_lock); 556 spin_lock_init(&rtlpriv->locks.scan_list_lock); 557 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); 558 spin_lock_init(&rtlpriv->locks.fw_ps_lock); 559 spin_lock_init(&rtlpriv->locks.iqk_lock); 560 /* <5> init list */ 561 INIT_LIST_HEAD(&rtlpriv->entry_list); 562 INIT_LIST_HEAD(&rtlpriv->scan_list.list); 563 skb_queue_head_init(&rtlpriv->tx_report.queue); 564 skb_queue_head_init(&rtlpriv->c2hcmd_queue); 565 566 rtlmac->link_state = MAC80211_NOLINK; 567 568 /* <6> init deferred work */ 569 return _rtl_init_deferred_work(hw); 570 } 571 EXPORT_SYMBOL_GPL(rtl_init_core); 572 573 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw); 574 static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, 575 bool timeout); 576 577 void rtl_deinit_core(struct ieee80211_hw *hw) 578 { 579 rtl_c2hcmd_launcher(hw, 0); 580 rtl_free_entries_from_scan_list(hw); 581 rtl_free_entries_from_ack_queue(hw, false); 582 } 583 EXPORT_SYMBOL_GPL(rtl_deinit_core); 584 585 void rtl_init_rx_config(struct ieee80211_hw *hw) 586 { 587 struct rtl_priv *rtlpriv = rtl_priv(hw); 588 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 589 590 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); 591 } 592 EXPORT_SYMBOL_GPL(rtl_init_rx_config); 593 594 /********************************************************* 595 * 596 * tx information functions 597 * 598 *********************************************************/ 599 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, 600 struct rtl_tcb_desc *tcb_desc, 601 struct ieee80211_tx_info *info) 602 { 603 struct rtl_priv *rtlpriv = rtl_priv(hw); 604 u8 rate_flag = info->control.rates[0].flags; 605 606 tcb_desc->use_shortpreamble = false; 607 608 /* 1M can only use Long Preamble. 11B spec */ 609 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) 610 return; 611 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 612 tcb_desc->use_shortpreamble = true; 613 614 return; 615 } 616 617 static void _rtl_query_shortgi(struct ieee80211_hw *hw, 618 struct ieee80211_sta *sta, 619 struct rtl_tcb_desc *tcb_desc, 620 struct ieee80211_tx_info *info) 621 { 622 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 623 u8 rate_flag = info->control.rates[0].flags; 624 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; 625 u8 sgi_80 = 0, bw_80 = 0; 626 627 tcb_desc->use_shortgi = false; 628 629 if (sta == NULL) 630 return; 631 632 sgi_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 633 sgi_20 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 634 sgi_80 = sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; 635 636 if (!sta->deflink.ht_cap.ht_supported && 637 !sta->deflink.vht_cap.vht_supported) 638 return; 639 640 if (!sgi_40 && !sgi_20) 641 return; 642 643 if (mac->opmode == NL80211_IFTYPE_STATION) { 644 bw_40 = mac->bw_40; 645 bw_80 = mac->bw_80; 646 } else if (mac->opmode == NL80211_IFTYPE_AP || 647 mac->opmode == NL80211_IFTYPE_ADHOC || 648 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 649 bw_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; 650 bw_80 = sta->deflink.vht_cap.vht_supported; 651 } 652 653 if (bw_80) { 654 if (sgi_80) 655 tcb_desc->use_shortgi = true; 656 else 657 tcb_desc->use_shortgi = false; 658 } else { 659 if (bw_40 && sgi_40) 660 tcb_desc->use_shortgi = true; 661 else if (!bw_40 && sgi_20) 662 tcb_desc->use_shortgi = true; 663 } 664 665 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) 666 tcb_desc->use_shortgi = false; 667 } 668 669 static void _rtl_query_protection_mode(struct ieee80211_hw *hw, 670 struct rtl_tcb_desc *tcb_desc, 671 struct ieee80211_tx_info *info) 672 { 673 struct rtl_priv *rtlpriv = rtl_priv(hw); 674 u8 rate_flag = info->control.rates[0].flags; 675 676 /* Common Settings */ 677 tcb_desc->rts_stbc = false; 678 tcb_desc->cts_enable = false; 679 tcb_desc->rts_sc = 0; 680 tcb_desc->rts_bw = false; 681 tcb_desc->rts_use_shortpreamble = false; 682 tcb_desc->rts_use_shortgi = false; 683 684 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { 685 /* Use CTS-to-SELF in protection mode. */ 686 tcb_desc->rts_enable = true; 687 tcb_desc->cts_enable = true; 688 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 689 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { 690 /* Use RTS-CTS in protection mode. */ 691 tcb_desc->rts_enable = true; 692 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 693 } 694 } 695 696 u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index, 697 enum wireless_mode wirelessmode) 698 { 699 struct rtl_priv *rtlpriv = rtl_priv(hw); 700 struct rtl_phy *rtlphy = &rtlpriv->phy; 701 u8 ret = 0; 702 703 switch (rate_index) { 704 case RATR_INX_WIRELESS_NGB: 705 if (rtlphy->rf_type == RF_1T1R) 706 ret = RATEID_IDX_BGN_40M_1SS; 707 else 708 ret = RATEID_IDX_BGN_40M_2SS; 709 ; break; 710 case RATR_INX_WIRELESS_N: 711 case RATR_INX_WIRELESS_NG: 712 if (rtlphy->rf_type == RF_1T1R) 713 ret = RATEID_IDX_GN_N1SS; 714 else 715 ret = RATEID_IDX_GN_N2SS; 716 ; break; 717 case RATR_INX_WIRELESS_NB: 718 if (rtlphy->rf_type == RF_1T1R) 719 ret = RATEID_IDX_BGN_20M_1SS_BN; 720 else 721 ret = RATEID_IDX_BGN_20M_2SS_BN; 722 ; break; 723 case RATR_INX_WIRELESS_GB: 724 ret = RATEID_IDX_BG; 725 break; 726 case RATR_INX_WIRELESS_G: 727 ret = RATEID_IDX_G; 728 break; 729 case RATR_INX_WIRELESS_B: 730 ret = RATEID_IDX_B; 731 break; 732 case RATR_INX_WIRELESS_MC: 733 if (wirelessmode == WIRELESS_MODE_B || 734 wirelessmode == WIRELESS_MODE_G || 735 wirelessmode == WIRELESS_MODE_N_24G || 736 wirelessmode == WIRELESS_MODE_AC_24G) 737 ret = RATEID_IDX_BG; 738 else 739 ret = RATEID_IDX_G; 740 break; 741 case RATR_INX_WIRELESS_AC_5N: 742 if (rtlphy->rf_type == RF_1T1R) 743 ret = RATEID_IDX_VHT_1SS; 744 else 745 ret = RATEID_IDX_VHT_2SS; 746 break; 747 case RATR_INX_WIRELESS_AC_24N: 748 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 749 if (rtlphy->rf_type == RF_1T1R) 750 ret = RATEID_IDX_VHT_1SS; 751 else 752 ret = RATEID_IDX_VHT_2SS; 753 } else { 754 if (rtlphy->rf_type == RF_1T1R) 755 ret = RATEID_IDX_MIX1; 756 else 757 ret = RATEID_IDX_MIX2; 758 } 759 break; 760 default: 761 ret = RATEID_IDX_BGN_40M_2SS; 762 break; 763 } 764 return ret; 765 } 766 EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id); 767 768 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, 769 struct ieee80211_sta *sta, 770 struct rtl_tcb_desc *tcb_desc) 771 { 772 #define SET_RATE_ID(rate_id) \ 773 ({typeof(rate_id) _id = rate_id; \ 774 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 775 rtl_mrate_idx_to_arfr_id(hw, _id, \ 776 (sta_entry ? sta_entry->wireless_mode : \ 777 WIRELESS_MODE_G)) : \ 778 _id); }) 779 780 struct rtl_priv *rtlpriv = rtl_priv(hw); 781 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 782 struct rtl_sta_info *sta_entry = NULL; 783 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 784 785 if (sta) { 786 sta_entry = (struct rtl_sta_info *) sta->drv_priv; 787 ratr_index = sta_entry->ratr_index; 788 } 789 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { 790 if (mac->opmode == NL80211_IFTYPE_STATION) { 791 tcb_desc->ratr_index = 0; 792 } else if (mac->opmode == NL80211_IFTYPE_ADHOC || 793 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 794 if (tcb_desc->multicast || tcb_desc->broadcast) { 795 tcb_desc->hw_rate = 796 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; 797 tcb_desc->use_driver_rate = 1; 798 tcb_desc->ratr_index = 799 SET_RATE_ID(RATR_INX_WIRELESS_MC); 800 } else { 801 tcb_desc->ratr_index = ratr_index; 802 } 803 } else if (mac->opmode == NL80211_IFTYPE_AP) { 804 tcb_desc->ratr_index = ratr_index; 805 } 806 } 807 808 if (rtlpriv->dm.useramask) { 809 tcb_desc->ratr_index = ratr_index; 810 /* TODO we will differentiate adhoc and station future */ 811 if (mac->opmode == NL80211_IFTYPE_STATION || 812 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 813 tcb_desc->mac_id = 0; 814 815 if (sta && 816 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID)) 817 ; /* use sta_entry->ratr_index */ 818 else if (mac->mode == WIRELESS_MODE_AC_5G) 819 tcb_desc->ratr_index = 820 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N); 821 else if (mac->mode == WIRELESS_MODE_AC_24G) 822 tcb_desc->ratr_index = 823 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N); 824 else if (mac->mode == WIRELESS_MODE_N_24G) 825 tcb_desc->ratr_index = 826 SET_RATE_ID(RATR_INX_WIRELESS_NGB); 827 else if (mac->mode == WIRELESS_MODE_N_5G) 828 tcb_desc->ratr_index = 829 SET_RATE_ID(RATR_INX_WIRELESS_NG); 830 else if (mac->mode & WIRELESS_MODE_G) 831 tcb_desc->ratr_index = 832 SET_RATE_ID(RATR_INX_WIRELESS_GB); 833 else if (mac->mode & WIRELESS_MODE_B) 834 tcb_desc->ratr_index = 835 SET_RATE_ID(RATR_INX_WIRELESS_B); 836 else if (mac->mode & WIRELESS_MODE_A) 837 tcb_desc->ratr_index = 838 SET_RATE_ID(RATR_INX_WIRELESS_G); 839 840 } else if (mac->opmode == NL80211_IFTYPE_AP || 841 mac->opmode == NL80211_IFTYPE_ADHOC) { 842 if (NULL != sta) { 843 if (sta->aid > 0) 844 tcb_desc->mac_id = sta->aid + 1; 845 else 846 tcb_desc->mac_id = 1; 847 } else { 848 tcb_desc->mac_id = 0; 849 } 850 } 851 } 852 #undef SET_RATE_ID 853 } 854 855 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, 856 struct ieee80211_sta *sta, 857 struct rtl_tcb_desc *tcb_desc) 858 { 859 struct rtl_priv *rtlpriv = rtl_priv(hw); 860 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 861 862 tcb_desc->packet_bw = false; 863 if (!sta) 864 return; 865 if (mac->opmode == NL80211_IFTYPE_AP || 866 mac->opmode == NL80211_IFTYPE_ADHOC || 867 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 868 if (!(sta->deflink.ht_cap.ht_supported) || 869 !(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 870 return; 871 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 872 if (!mac->bw_40 || !(sta->deflink.ht_cap.ht_supported)) 873 return; 874 } 875 if (tcb_desc->multicast || tcb_desc->broadcast) 876 return; 877 878 /*use legency rate, shall use 20MHz */ 879 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) 880 return; 881 882 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; 883 884 if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) { 885 if (mac->opmode == NL80211_IFTYPE_AP || 886 mac->opmode == NL80211_IFTYPE_ADHOC || 887 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 888 if (!(sta->deflink.vht_cap.vht_supported)) 889 return; 890 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 891 if (!mac->bw_80 || 892 !(sta->deflink.vht_cap.vht_supported)) 893 return; 894 } 895 if (tcb_desc->hw_rate <= 896 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) 897 return; 898 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; 899 } 900 } 901 902 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, 903 struct ieee80211_sta *sta) 904 { 905 struct rtl_priv *rtlpriv = rtl_priv(hw); 906 struct rtl_phy *rtlphy = &(rtlpriv->phy); 907 u8 hw_rate; 908 u16 tx_mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.tx_mcs_map); 909 910 if ((get_rf_type(rtlphy) == RF_2T2R) && 911 (tx_mcs_map & 0x000c) != 0x000c) { 912 if ((tx_mcs_map & 0x000c) >> 2 == 913 IEEE80211_VHT_MCS_SUPPORT_0_7) 914 hw_rate = 915 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; 916 else if ((tx_mcs_map & 0x000c) >> 2 == 917 IEEE80211_VHT_MCS_SUPPORT_0_8) 918 hw_rate = 919 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8]; 920 else 921 hw_rate = 922 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 923 } else { 924 if ((tx_mcs_map & 0x0003) == 925 IEEE80211_VHT_MCS_SUPPORT_0_7) 926 hw_rate = 927 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; 928 else if ((tx_mcs_map & 0x0003) == 929 IEEE80211_VHT_MCS_SUPPORT_0_8) 930 hw_rate = 931 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8]; 932 else 933 hw_rate = 934 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 935 } 936 937 return hw_rate; 938 } 939 940 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, 941 struct ieee80211_sta *sta) 942 { 943 struct rtl_priv *rtlpriv = rtl_priv(hw); 944 struct rtl_phy *rtlphy = &rtlpriv->phy; 945 u8 hw_rate; 946 947 if (get_rf_type(rtlphy) == RF_2T2R && 948 sta->deflink.ht_cap.mcs.rx_mask[1] != 0) 949 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; 950 else 951 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; 952 953 return hw_rate; 954 } 955 956 /* mac80211's rate_idx is like this: 957 * 958 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ 959 * 960 * B/G rate: 961 * (rx_status->flag & RX_FLAG_HT) = 0, 962 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, 963 * 964 * N rate: 965 * (rx_status->flag & RX_FLAG_HT) = 1, 966 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 967 * 968 * 5G band:rx_status->band == NL80211_BAND_5GHZ 969 * A rate: 970 * (rx_status->flag & RX_FLAG_HT) = 0, 971 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, 972 * 973 * N rate: 974 * (rx_status->flag & RX_FLAG_HT) = 1, 975 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 976 * 977 * VHT rates: 978 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 979 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 980 */ 981 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, 982 u8 desc_rate) 983 { 984 int rate_idx; 985 986 if (isvht) { 987 switch (desc_rate) { 988 case DESC_RATEVHT1SS_MCS0: 989 rate_idx = 0; 990 break; 991 case DESC_RATEVHT1SS_MCS1: 992 rate_idx = 1; 993 break; 994 case DESC_RATEVHT1SS_MCS2: 995 rate_idx = 2; 996 break; 997 case DESC_RATEVHT1SS_MCS3: 998 rate_idx = 3; 999 break; 1000 case DESC_RATEVHT1SS_MCS4: 1001 rate_idx = 4; 1002 break; 1003 case DESC_RATEVHT1SS_MCS5: 1004 rate_idx = 5; 1005 break; 1006 case DESC_RATEVHT1SS_MCS6: 1007 rate_idx = 6; 1008 break; 1009 case DESC_RATEVHT1SS_MCS7: 1010 rate_idx = 7; 1011 break; 1012 case DESC_RATEVHT1SS_MCS8: 1013 rate_idx = 8; 1014 break; 1015 case DESC_RATEVHT1SS_MCS9: 1016 rate_idx = 9; 1017 break; 1018 case DESC_RATEVHT2SS_MCS0: 1019 rate_idx = 0; 1020 break; 1021 case DESC_RATEVHT2SS_MCS1: 1022 rate_idx = 1; 1023 break; 1024 case DESC_RATEVHT2SS_MCS2: 1025 rate_idx = 2; 1026 break; 1027 case DESC_RATEVHT2SS_MCS3: 1028 rate_idx = 3; 1029 break; 1030 case DESC_RATEVHT2SS_MCS4: 1031 rate_idx = 4; 1032 break; 1033 case DESC_RATEVHT2SS_MCS5: 1034 rate_idx = 5; 1035 break; 1036 case DESC_RATEVHT2SS_MCS6: 1037 rate_idx = 6; 1038 break; 1039 case DESC_RATEVHT2SS_MCS7: 1040 rate_idx = 7; 1041 break; 1042 case DESC_RATEVHT2SS_MCS8: 1043 rate_idx = 8; 1044 break; 1045 case DESC_RATEVHT2SS_MCS9: 1046 rate_idx = 9; 1047 break; 1048 default: 1049 rate_idx = 0; 1050 break; 1051 } 1052 return rate_idx; 1053 } 1054 if (false == isht) { 1055 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 1056 switch (desc_rate) { 1057 case DESC_RATE1M: 1058 rate_idx = 0; 1059 break; 1060 case DESC_RATE2M: 1061 rate_idx = 1; 1062 break; 1063 case DESC_RATE5_5M: 1064 rate_idx = 2; 1065 break; 1066 case DESC_RATE11M: 1067 rate_idx = 3; 1068 break; 1069 case DESC_RATE6M: 1070 rate_idx = 4; 1071 break; 1072 case DESC_RATE9M: 1073 rate_idx = 5; 1074 break; 1075 case DESC_RATE12M: 1076 rate_idx = 6; 1077 break; 1078 case DESC_RATE18M: 1079 rate_idx = 7; 1080 break; 1081 case DESC_RATE24M: 1082 rate_idx = 8; 1083 break; 1084 case DESC_RATE36M: 1085 rate_idx = 9; 1086 break; 1087 case DESC_RATE48M: 1088 rate_idx = 10; 1089 break; 1090 case DESC_RATE54M: 1091 rate_idx = 11; 1092 break; 1093 default: 1094 rate_idx = 0; 1095 break; 1096 } 1097 } else { 1098 switch (desc_rate) { 1099 case DESC_RATE6M: 1100 rate_idx = 0; 1101 break; 1102 case DESC_RATE9M: 1103 rate_idx = 1; 1104 break; 1105 case DESC_RATE12M: 1106 rate_idx = 2; 1107 break; 1108 case DESC_RATE18M: 1109 rate_idx = 3; 1110 break; 1111 case DESC_RATE24M: 1112 rate_idx = 4; 1113 break; 1114 case DESC_RATE36M: 1115 rate_idx = 5; 1116 break; 1117 case DESC_RATE48M: 1118 rate_idx = 6; 1119 break; 1120 case DESC_RATE54M: 1121 rate_idx = 7; 1122 break; 1123 default: 1124 rate_idx = 0; 1125 break; 1126 } 1127 } 1128 } else { 1129 switch (desc_rate) { 1130 case DESC_RATEMCS0: 1131 rate_idx = 0; 1132 break; 1133 case DESC_RATEMCS1: 1134 rate_idx = 1; 1135 break; 1136 case DESC_RATEMCS2: 1137 rate_idx = 2; 1138 break; 1139 case DESC_RATEMCS3: 1140 rate_idx = 3; 1141 break; 1142 case DESC_RATEMCS4: 1143 rate_idx = 4; 1144 break; 1145 case DESC_RATEMCS5: 1146 rate_idx = 5; 1147 break; 1148 case DESC_RATEMCS6: 1149 rate_idx = 6; 1150 break; 1151 case DESC_RATEMCS7: 1152 rate_idx = 7; 1153 break; 1154 case DESC_RATEMCS8: 1155 rate_idx = 8; 1156 break; 1157 case DESC_RATEMCS9: 1158 rate_idx = 9; 1159 break; 1160 case DESC_RATEMCS10: 1161 rate_idx = 10; 1162 break; 1163 case DESC_RATEMCS11: 1164 rate_idx = 11; 1165 break; 1166 case DESC_RATEMCS12: 1167 rate_idx = 12; 1168 break; 1169 case DESC_RATEMCS13: 1170 rate_idx = 13; 1171 break; 1172 case DESC_RATEMCS14: 1173 rate_idx = 14; 1174 break; 1175 case DESC_RATEMCS15: 1176 rate_idx = 15; 1177 break; 1178 default: 1179 rate_idx = 0; 1180 break; 1181 } 1182 } 1183 return rate_idx; 1184 } 1185 EXPORT_SYMBOL(rtlwifi_rate_mapping); 1186 1187 static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw, 1188 struct ieee80211_tx_info *info) 1189 { 1190 struct rtl_priv *rtlpriv = rtl_priv(hw); 1191 struct ieee80211_tx_rate *r = &info->status.rates[0]; 1192 struct ieee80211_rate *txrate; 1193 u8 hw_value = 0x0; 1194 1195 if (r->flags & IEEE80211_TX_RC_MCS) { 1196 /* HT MCS0-15 */ 1197 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 + 1198 r->idx; 1199 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) { 1200 /* VHT MCS0-9, NSS */ 1201 if (ieee80211_rate_get_vht_nss(r) == 2) 1202 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 1203 else 1204 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 1205 1206 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r); 1207 } else { 1208 /* legacy */ 1209 txrate = ieee80211_get_tx_rate(hw, info); 1210 1211 if (txrate) 1212 hw_value = txrate->hw_value; 1213 } 1214 1215 /* check 5G band */ 1216 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G && 1217 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]) 1218 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]; 1219 1220 return hw_value; 1221 } 1222 1223 void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1224 struct ieee80211_tx_info *info, 1225 struct ieee80211_sta *sta, 1226 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1227 { 1228 #define SET_RATE_ID(rate_id) \ 1229 ({typeof(rate_id) _id = rate_id; \ 1230 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 1231 rtl_mrate_idx_to_arfr_id(hw, _id, \ 1232 (sta_entry ? sta_entry->wireless_mode : \ 1233 WIRELESS_MODE_G)) : \ 1234 _id); }) 1235 1236 struct rtl_priv *rtlpriv = rtl_priv(hw); 1237 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1238 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1239 struct rtl_sta_info *sta_entry = 1240 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL); 1241 1242 __le16 fc = rtl_get_fc(skb); 1243 1244 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info); 1245 1246 if (rtl_is_tx_report_skb(hw, skb)) 1247 tcb_desc->use_spe_rpt = 1; 1248 1249 if (ieee80211_is_data(fc)) { 1250 /* 1251 *we set data rate INX 0 1252 *in rtl_rc.c if skb is special data or 1253 *mgt which need low data rate. 1254 */ 1255 1256 /* 1257 *So tcb_desc->hw_rate is just used for 1258 *special data and mgt frames 1259 */ 1260 if (info->control.rates[0].idx == 0 || 1261 ieee80211_is_nullfunc(fc)) { 1262 tcb_desc->use_driver_rate = true; 1263 tcb_desc->ratr_index = 1264 SET_RATE_ID(RATR_INX_WIRELESS_MC); 1265 1266 tcb_desc->disable_ratefallback = 1; 1267 } else { 1268 /* 1269 *because hw will nerver use hw_rate 1270 *when tcb_desc->use_driver_rate = false 1271 *so we never set highest N rate here, 1272 *and N rate will all be controlled by FW 1273 *when tcb_desc->use_driver_rate = false 1274 */ 1275 if (sta && sta->deflink.vht_cap.vht_supported) { 1276 tcb_desc->hw_rate = 1277 _rtl_get_vht_highest_n_rate(hw, sta); 1278 } else { 1279 if (sta && sta->deflink.ht_cap.ht_supported) { 1280 tcb_desc->hw_rate = 1281 _rtl_get_highest_n_rate(hw, sta); 1282 } else { 1283 if (rtlmac->mode == WIRELESS_MODE_B) { 1284 tcb_desc->hw_rate = 1285 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1286 } else { 1287 tcb_desc->hw_rate = 1288 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1289 } 1290 } 1291 } 1292 } 1293 1294 if (is_multicast_ether_addr(hdr->addr1)) 1295 tcb_desc->multicast = 1; 1296 else if (is_broadcast_ether_addr(hdr->addr1)) 1297 tcb_desc->broadcast = 1; 1298 1299 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1300 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1301 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1302 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1303 _rtl_query_protection_mode(hw, tcb_desc, info); 1304 } else { 1305 tcb_desc->use_driver_rate = true; 1306 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 1307 tcb_desc->disable_ratefallback = 1; 1308 tcb_desc->mac_id = 0; 1309 tcb_desc->packet_bw = false; 1310 } 1311 #undef SET_RATE_ID 1312 } 1313 EXPORT_SYMBOL(rtl_get_tcb_desc); 1314 1315 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1316 { 1317 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1318 struct rtl_priv *rtlpriv = rtl_priv(hw); 1319 __le16 fc = rtl_get_fc(skb); 1320 1321 if (rtlpriv->dm.supp_phymode_switch && 1322 mac->link_state < MAC80211_LINKED && 1323 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { 1324 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1325 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1326 } 1327 if (ieee80211_is_auth(fc)) { 1328 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); 1329 1330 mac->link_state = MAC80211_LINKING; 1331 /* Dul mac */ 1332 rtlpriv->phy.need_iqk = true; 1333 1334 } 1335 1336 return true; 1337 } 1338 EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1339 1340 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1341 u8 *bssid, u16 tid); 1342 1343 static void process_agg_start(struct ieee80211_hw *hw, 1344 struct ieee80211_hdr *hdr, u16 tid) 1345 { 1346 struct rtl_priv *rtlpriv = rtl_priv(hw); 1347 struct ieee80211_rx_status rx_status = { 0 }; 1348 struct sk_buff *skb_delba = NULL; 1349 1350 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); 1351 if (skb_delba) { 1352 rx_status.freq = hw->conf.chandef.chan->center_freq; 1353 rx_status.band = hw->conf.chandef.chan->band; 1354 rx_status.flag |= RX_FLAG_DECRYPTED; 1355 rx_status.flag |= RX_FLAG_MACTIME_START; 1356 rx_status.rate_idx = 0; 1357 rx_status.signal = 50 + 10; 1358 memcpy(IEEE80211_SKB_RXCB(skb_delba), 1359 &rx_status, sizeof(rx_status)); 1360 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, 1361 "fake del\n", 1362 skb_delba->data, 1363 skb_delba->len); 1364 ieee80211_rx_irqsafe(hw, skb_delba); 1365 } 1366 } 1367 1368 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1369 { 1370 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1371 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1372 struct rtl_priv *rtlpriv = rtl_priv(hw); 1373 __le16 fc = rtl_get_fc(skb); 1374 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); 1375 u8 category; 1376 1377 if (!ieee80211_is_action(fc)) 1378 return true; 1379 1380 category = *act; 1381 act++; 1382 switch (category) { 1383 case ACT_CAT_BA: 1384 switch (*act) { 1385 case ACT_ADDBAREQ: 1386 if (mac->act_scanning) 1387 return false; 1388 1389 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1390 "%s ACT_ADDBAREQ From :%pM\n", 1391 is_tx ? "Tx" : "Rx", hdr->addr2); 1392 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", 1393 skb->data, skb->len); 1394 if (!is_tx) { 1395 struct ieee80211_sta *sta = NULL; 1396 struct rtl_sta_info *sta_entry = NULL; 1397 struct rtl_tid_data *tid_data; 1398 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1399 u16 capab = 0, tid = 0; 1400 1401 rcu_read_lock(); 1402 sta = rtl_find_sta(hw, hdr->addr3); 1403 if (sta == NULL) { 1404 rtl_dbg(rtlpriv, COMP_SEND | COMP_RECV, 1405 DBG_DMESG, "sta is NULL\n"); 1406 rcu_read_unlock(); 1407 return true; 1408 } 1409 1410 sta_entry = 1411 (struct rtl_sta_info *)sta->drv_priv; 1412 if (!sta_entry) { 1413 rcu_read_unlock(); 1414 return true; 1415 } 1416 capab = 1417 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1418 tid = (capab & 1419 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1420 if (tid >= MAX_TID_COUNT) { 1421 rcu_read_unlock(); 1422 return true; 1423 } 1424 tid_data = &sta_entry->tids[tid]; 1425 if (tid_data->agg.rx_agg_state == 1426 RTL_RX_AGG_START) 1427 process_agg_start(hw, hdr, tid); 1428 rcu_read_unlock(); 1429 } 1430 break; 1431 case ACT_ADDBARSP: 1432 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1433 "%s ACT_ADDBARSP From :%pM\n", 1434 is_tx ? "Tx" : "Rx", hdr->addr2); 1435 break; 1436 case ACT_DELBA: 1437 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1438 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1439 break; 1440 } 1441 break; 1442 default: 1443 break; 1444 } 1445 1446 return true; 1447 } 1448 EXPORT_SYMBOL_GPL(rtl_action_proc); 1449 1450 static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc, 1451 int type) 1452 { 1453 struct ieee80211_hw *hw = rtlpriv->hw; 1454 1455 rtlpriv->ra.is_special_data = true; 1456 if (rtlpriv->cfg->ops->get_btc_status()) 1457 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1458 rtlpriv, type); 1459 rtl_lps_leave(hw, false); 1460 ppsc->last_delaylps_stamp_jiffies = jiffies; 1461 } 1462 1463 static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw, 1464 struct sk_buff *skb, bool is_enc) 1465 { 1466 struct rtl_priv *rtlpriv = rtl_priv(hw); 1467 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1468 u8 encrypt_header_len = 0; 1469 u8 offset; 1470 1471 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1472 case WEP40_ENCRYPTION: 1473 case WEP104_ENCRYPTION: 1474 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1475 break; 1476 case TKIP_ENCRYPTION: 1477 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1478 break; 1479 case AESCCMP_ENCRYPTION: 1480 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1481 break; 1482 default: 1483 break; 1484 } 1485 1486 offset = mac_hdr_len + SNAP_SIZE; 1487 if (is_enc) 1488 offset += encrypt_header_len; 1489 1490 return skb->data + offset; 1491 } 1492 1493 /*should call before software enc*/ 1494 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, 1495 bool is_enc) 1496 { 1497 struct rtl_priv *rtlpriv = rtl_priv(hw); 1498 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1499 __le16 fc = rtl_get_fc(skb); 1500 u16 ether_type; 1501 const u8 *ether_type_ptr; 1502 const struct iphdr *ip; 1503 1504 if (!ieee80211_is_data(fc)) 1505 goto end; 1506 1507 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc); 1508 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1509 1510 if (ETH_P_IP == ether_type) { 1511 ip = (struct iphdr *)((u8 *)ether_type_ptr + 1512 PROTOC_TYPE_SIZE); 1513 if (IPPROTO_UDP == ip->protocol) { 1514 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1515 (ip->ihl << 2)); 1516 if (((((u8 *)udp)[1] == 68) && 1517 (((u8 *)udp)[3] == 67)) || 1518 ((((u8 *)udp)[1] == 67) && 1519 (((u8 *)udp)[3] == 68))) { 1520 /* 68 : UDP BOOTP client 1521 * 67 : UDP BOOTP server 1522 */ 1523 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), 1524 DBG_DMESG, "dhcp %s !!\n", 1525 (is_tx) ? "Tx" : "Rx"); 1526 1527 if (is_tx) 1528 setup_special_tx(rtlpriv, ppsc, 1529 PACKET_DHCP); 1530 1531 return true; 1532 } 1533 } 1534 } else if (ETH_P_ARP == ether_type) { 1535 if (is_tx) 1536 setup_special_tx(rtlpriv, ppsc, PACKET_ARP); 1537 1538 return true; 1539 } else if (ETH_P_PAE == ether_type) { 1540 /* EAPOL is seens as in-4way */ 1541 rtlpriv->btcoexist.btc_info.in_4way = true; 1542 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; 1543 1544 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1545 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1546 1547 if (is_tx) { 1548 rtlpriv->ra.is_special_data = true; 1549 rtl_lps_leave(hw, false); 1550 ppsc->last_delaylps_stamp_jiffies = jiffies; 1551 1552 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL); 1553 } 1554 1555 return true; 1556 } else if (ETH_P_IPV6 == ether_type) { 1557 /* TODO: Handle any IPv6 cases that need special handling. 1558 * For now, always return false 1559 */ 1560 goto end; 1561 } 1562 1563 end: 1564 rtlpriv->ra.is_special_data = false; 1565 return false; 1566 } 1567 EXPORT_SYMBOL_GPL(rtl_is_special_data); 1568 1569 void rtl_tx_ackqueue(struct ieee80211_hw *hw, struct sk_buff *skb) 1570 { 1571 struct rtl_priv *rtlpriv = rtl_priv(hw); 1572 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1573 1574 __skb_queue_tail(&tx_report->queue, skb); 1575 } 1576 EXPORT_SYMBOL_GPL(rtl_tx_ackqueue); 1577 1578 static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, 1579 bool ack) 1580 { 1581 struct rtl_priv *rtlpriv = rtl_priv(hw); 1582 struct ieee80211_tx_info *info; 1583 1584 info = IEEE80211_SKB_CB(skb); 1585 ieee80211_tx_info_clear_status(info); 1586 if (ack) { 1587 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD, 1588 "tx report: ack\n"); 1589 info->flags |= IEEE80211_TX_STAT_ACK; 1590 } else { 1591 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD, 1592 "tx report: not ack\n"); 1593 info->flags &= ~IEEE80211_TX_STAT_ACK; 1594 } 1595 ieee80211_tx_status_irqsafe(hw, skb); 1596 } 1597 1598 bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb) 1599 { 1600 u16 ether_type; 1601 const u8 *ether_type_ptr; 1602 __le16 fc = rtl_get_fc(skb); 1603 1604 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true); 1605 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1606 1607 if (ether_type == ETH_P_PAE || ieee80211_is_nullfunc(fc)) 1608 return true; 1609 1610 return false; 1611 } 1612 1613 static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw, 1614 struct rtlwifi_tx_info *tx_info) 1615 { 1616 struct rtl_priv *rtlpriv = rtl_priv(hw); 1617 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1618 u16 sn; 1619 1620 /* SW_DEFINE[11:8] are reserved (driver fills zeros) 1621 * SW_DEFINE[7:2] are used by driver 1622 * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros) 1623 */ 1624 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2; 1625 1626 tx_report->last_sent_sn = sn; 1627 tx_report->last_sent_time = jiffies; 1628 tx_info->sn = sn; 1629 tx_info->send_time = tx_report->last_sent_time; 1630 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1631 "Send TX-Report sn=0x%X\n", sn); 1632 1633 return sn; 1634 } 1635 1636 void rtl_set_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc, 1637 struct ieee80211_hw *hw, struct rtlwifi_tx_info *tx_info) 1638 { 1639 if (ptcb_desc->use_spe_rpt) { 1640 u16 sn = rtl_get_tx_report_sn(hw, tx_info); 1641 1642 SET_TX_DESC_SPE_RPT(pdesc, 1); 1643 SET_TX_DESC_SW_DEFINE(pdesc, sn); 1644 } 1645 } 1646 EXPORT_SYMBOL_GPL(rtl_set_tx_report); 1647 1648 void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) 1649 { 1650 struct rtl_priv *rtlpriv = rtl_priv(hw); 1651 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1652 struct rtlwifi_tx_info *tx_info; 1653 struct sk_buff_head *queue = &tx_report->queue; 1654 struct sk_buff *skb; 1655 u16 sn; 1656 u8 st, retry; 1657 1658 if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) { 1659 sn = GET_TX_REPORT_SN_V2(tmp_buf); 1660 st = GET_TX_REPORT_ST_V2(tmp_buf); 1661 retry = GET_TX_REPORT_RETRY_V2(tmp_buf); 1662 } else { 1663 sn = GET_TX_REPORT_SN_V1(tmp_buf); 1664 st = GET_TX_REPORT_ST_V1(tmp_buf); 1665 retry = GET_TX_REPORT_RETRY_V1(tmp_buf); 1666 } 1667 1668 tx_report->last_recv_sn = sn; 1669 1670 skb_queue_walk(queue, skb) { 1671 tx_info = rtl_tx_skb_cb_info(skb); 1672 if (tx_info->sn == sn) { 1673 skb_unlink(skb, queue); 1674 rtl_tx_status(hw, skb, st == 0); 1675 break; 1676 } 1677 } 1678 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1679 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", 1680 st, sn, retry); 1681 } 1682 EXPORT_SYMBOL_GPL(rtl_tx_report_handler); 1683 1684 bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) 1685 { 1686 struct rtl_priv *rtlpriv = rtl_priv(hw); 1687 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1688 1689 if (tx_report->last_sent_sn == tx_report->last_recv_sn) 1690 return true; 1691 1692 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { 1693 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_WARNING, 1694 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n", 1695 tx_report->last_sent_sn, tx_report->last_recv_sn); 1696 return true; /* 3 sec. (timeout) seen as acked */ 1697 } 1698 1699 return false; 1700 } 1701 1702 void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms) 1703 { 1704 struct rtl_priv *rtlpriv = rtl_priv(hw); 1705 int i; 1706 1707 for (i = 0; i < wait_ms; i++) { 1708 if (rtl_check_tx_report_acked(hw)) 1709 break; 1710 usleep_range(1000, 2000); 1711 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1712 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); 1713 } 1714 } 1715 1716 u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw, 1717 struct ieee80211_vif *vif, 1718 enum wireless_mode wirelessmode, 1719 struct ieee80211_tx_queue_params *param) 1720 { 1721 u32 reg = 0; 1722 u8 sifstime = 10; 1723 u8 slottime = 20; 1724 1725 /* AIFS = AIFSN * slot time + SIFS */ 1726 switch (wirelessmode) { 1727 case WIRELESS_MODE_A: 1728 case WIRELESS_MODE_N_24G: 1729 case WIRELESS_MODE_N_5G: 1730 case WIRELESS_MODE_AC_5G: 1731 case WIRELESS_MODE_AC_24G: 1732 sifstime = 16; 1733 slottime = 9; 1734 break; 1735 case WIRELESS_MODE_G: 1736 slottime = (vif->bss_conf.use_short_slot ? 9 : 20); 1737 break; 1738 default: 1739 break; 1740 } 1741 1742 reg |= (param->txop & 0x7FF) << 16; 1743 reg |= (fls(param->cw_max) & 0xF) << 12; 1744 reg |= (fls(param->cw_min) & 0xF) << 8; 1745 reg |= (param->aifs & 0x0F) * slottime + sifstime; 1746 1747 return reg; 1748 } 1749 EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param); 1750 1751 /********************************************************* 1752 * 1753 * functions called by core.c 1754 * 1755 *********************************************************/ 1756 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1757 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1758 { 1759 struct rtl_priv *rtlpriv = rtl_priv(hw); 1760 struct rtl_tid_data *tid_data; 1761 struct rtl_sta_info *sta_entry = NULL; 1762 1763 if (sta == NULL) 1764 return -EINVAL; 1765 1766 if (unlikely(tid >= MAX_TID_COUNT)) 1767 return -EINVAL; 1768 1769 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1770 if (!sta_entry) 1771 return -ENXIO; 1772 tid_data = &sta_entry->tids[tid]; 1773 1774 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1775 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1776 *ssn); 1777 1778 tid_data->agg.agg_state = RTL_AGG_START; 1779 1780 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 1781 } 1782 1783 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1784 struct ieee80211_sta *sta, u16 tid) 1785 { 1786 struct rtl_priv *rtlpriv = rtl_priv(hw); 1787 struct rtl_sta_info *sta_entry = NULL; 1788 1789 if (sta == NULL) 1790 return -EINVAL; 1791 1792 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1793 "on ra = %pM tid = %d\n", sta->addr, tid); 1794 1795 if (unlikely(tid >= MAX_TID_COUNT)) 1796 return -EINVAL; 1797 1798 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1799 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1800 1801 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1802 return 0; 1803 } 1804 1805 int rtl_rx_agg_start(struct ieee80211_hw *hw, 1806 struct ieee80211_sta *sta, u16 tid) 1807 { 1808 struct rtl_priv *rtlpriv = rtl_priv(hw); 1809 struct rtl_tid_data *tid_data; 1810 struct rtl_sta_info *sta_entry = NULL; 1811 u8 reject_agg; 1812 1813 if (sta == NULL) 1814 return -EINVAL; 1815 1816 if (unlikely(tid >= MAX_TID_COUNT)) 1817 return -EINVAL; 1818 1819 if (rtlpriv->cfg->ops->get_btc_status()) { 1820 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv, 1821 &reject_agg, 1822 NULL, NULL); 1823 if (reject_agg) 1824 return -EINVAL; 1825 } 1826 1827 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1828 if (!sta_entry) 1829 return -ENXIO; 1830 tid_data = &sta_entry->tids[tid]; 1831 1832 rtl_dbg(rtlpriv, COMP_RECV, DBG_DMESG, 1833 "on ra = %pM tid = %d\n", sta->addr, tid); 1834 1835 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1836 return 0; 1837 } 1838 1839 int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1840 struct ieee80211_sta *sta, u16 tid) 1841 { 1842 struct rtl_priv *rtlpriv = rtl_priv(hw); 1843 struct rtl_sta_info *sta_entry = NULL; 1844 1845 if (sta == NULL) 1846 return -EINVAL; 1847 1848 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1849 "on ra = %pM tid = %d\n", sta->addr, tid); 1850 1851 if (unlikely(tid >= MAX_TID_COUNT)) 1852 return -EINVAL; 1853 1854 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1855 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1856 1857 return 0; 1858 } 1859 1860 int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1861 struct ieee80211_sta *sta, u16 tid) 1862 { 1863 struct rtl_priv *rtlpriv = rtl_priv(hw); 1864 struct rtl_sta_info *sta_entry = NULL; 1865 1866 if (sta == NULL) 1867 return -EINVAL; 1868 1869 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, 1870 "on ra = %pM tid = %d\n", sta->addr, tid); 1871 1872 if (unlikely(tid >= MAX_TID_COUNT)) 1873 return -EINVAL; 1874 1875 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1876 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1877 1878 return 0; 1879 } 1880 1881 void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) 1882 { 1883 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 1884 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0; 1885 1886 if (rtlpriv->cfg->ops->get_btc_status()) 1887 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, 1888 &ctrl_agg_size, &agg_size); 1889 1890 rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, 1891 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", 1892 reject_agg, ctrl_agg_size, agg_size); 1893 1894 rtlpriv->hw->max_rx_aggregation_subframes = 1895 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT); 1896 } 1897 EXPORT_SYMBOL(rtl_rx_ampdu_apply); 1898 1899 /********************************************************* 1900 * 1901 * wq & timer callback functions 1902 * 1903 *********************************************************/ 1904 /* this function is used for roaming */ 1905 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1906 { 1907 struct rtl_priv *rtlpriv = rtl_priv(hw); 1908 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1909 1910 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1911 return; 1912 1913 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1914 return; 1915 1916 /* check if this really is a beacon */ 1917 if (!ieee80211_is_beacon(hdr->frame_control) && 1918 !ieee80211_is_probe_resp(hdr->frame_control)) 1919 return; 1920 1921 /* min. beacon length + FCS_LEN */ 1922 if (skb->len <= 40 + FCS_LEN) 1923 return; 1924 1925 /* and only beacons from the associated BSSID, please */ 1926 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1927 return; 1928 1929 rtlpriv->link_info.bcn_rx_inperiod++; 1930 } 1931 EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1932 1933 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw) 1934 { 1935 struct rtl_priv *rtlpriv = rtl_priv(hw); 1936 struct rtl_bssid_entry *entry, *next; 1937 1938 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1939 list_del(&entry->list); 1940 kfree(entry); 1941 rtlpriv->scan_list.num--; 1942 } 1943 } 1944 1945 static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, 1946 bool chk_timeout) 1947 { 1948 struct rtl_priv *rtlpriv = rtl_priv(hw); 1949 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1950 struct sk_buff_head *queue = &tx_report->queue; 1951 struct sk_buff *skb, *tmp; 1952 struct rtlwifi_tx_info *tx_info; 1953 1954 skb_queue_walk_safe(queue, skb, tmp) { 1955 tx_info = rtl_tx_skb_cb_info(skb); 1956 if (chk_timeout && 1957 time_after(tx_info->send_time + HZ, jiffies)) 1958 continue; 1959 skb_unlink(skb, queue); 1960 rtl_tx_status(hw, skb, false); 1961 } 1962 } 1963 1964 void rtl_scan_list_expire(struct ieee80211_hw *hw) 1965 { 1966 struct rtl_priv *rtlpriv = rtl_priv(hw); 1967 struct rtl_bssid_entry *entry, *next; 1968 unsigned long flags; 1969 1970 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 1971 1972 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1973 /* 180 seconds */ 1974 if (jiffies_to_msecs(jiffies - entry->age) < 180000) 1975 continue; 1976 1977 list_del(&entry->list); 1978 rtlpriv->scan_list.num--; 1979 1980 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 1981 "BSSID=%pM is expire in scan list (total=%d)\n", 1982 entry->bssid, rtlpriv->scan_list.num); 1983 kfree(entry); 1984 } 1985 1986 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 1987 1988 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1989 } 1990 1991 void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) 1992 { 1993 struct rtl_priv *rtlpriv = rtl_priv(hw); 1994 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1995 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1996 unsigned long flags; 1997 1998 struct rtl_bssid_entry *entry = NULL, *iter; 1999 2000 /* check if it is scanning */ 2001 if (!mac->act_scanning) 2002 return; 2003 2004 /* check if this really is a beacon */ 2005 if (!ieee80211_is_beacon(hdr->frame_control) && 2006 !ieee80211_is_probe_resp(hdr->frame_control)) 2007 return; 2008 2009 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 2010 2011 list_for_each_entry(iter, &rtlpriv->scan_list.list, list) { 2012 if (memcmp(iter->bssid, hdr->addr3, ETH_ALEN) == 0) { 2013 list_del_init(&iter->list); 2014 entry = iter; 2015 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 2016 "Update BSSID=%pM to scan list (total=%d)\n", 2017 hdr->addr3, rtlpriv->scan_list.num); 2018 break; 2019 } 2020 } 2021 2022 if (!entry) { 2023 entry = kmalloc(sizeof(*entry), GFP_ATOMIC); 2024 2025 if (!entry) 2026 goto label_err; 2027 2028 memcpy(entry->bssid, hdr->addr3, ETH_ALEN); 2029 rtlpriv->scan_list.num++; 2030 2031 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD, 2032 "Add BSSID=%pM to scan list (total=%d)\n", 2033 hdr->addr3, rtlpriv->scan_list.num); 2034 } 2035 2036 entry->age = jiffies; 2037 2038 list_add_tail(&entry->list, &rtlpriv->scan_list.list); 2039 2040 label_err: 2041 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 2042 } 2043 EXPORT_SYMBOL(rtl_collect_scan_list); 2044 2045 static void rtl_watchdog_wq_callback(struct work_struct *work) 2046 { 2047 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2048 watchdog_wq.work); 2049 struct ieee80211_hw *hw = rtlworks->hw; 2050 struct rtl_priv *rtlpriv = rtl_priv(hw); 2051 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2052 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2053 bool busytraffic = false; 2054 bool tx_busy_traffic = false; 2055 bool rx_busy_traffic = false; 2056 bool higher_busytraffic = false; 2057 bool higher_busyrxtraffic = false; 2058 u8 idx, tid; 2059 u32 rx_cnt_inp4eriod = 0; 2060 u32 tx_cnt_inp4eriod = 0; 2061 u32 aver_rx_cnt_inperiod = 0; 2062 u32 aver_tx_cnt_inperiod = 0; 2063 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 2064 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 2065 2066 if (is_hal_stop(rtlhal)) 2067 return; 2068 2069 /* <1> Determine if action frame is allowed */ 2070 if (mac->link_state > MAC80211_NOLINK) { 2071 if (mac->cnt_after_linked < 20) 2072 mac->cnt_after_linked++; 2073 } else { 2074 mac->cnt_after_linked = 0; 2075 } 2076 2077 /* <2> to check if traffic busy, if 2078 * busytraffic we don't change channel 2079 */ 2080 if (mac->link_state >= MAC80211_LINKED) { 2081 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 2082 for (idx = 0; idx <= 2; idx++) { 2083 rtlpriv->link_info.num_rx_in4period[idx] = 2084 rtlpriv->link_info.num_rx_in4period[idx + 1]; 2085 rtlpriv->link_info.num_tx_in4period[idx] = 2086 rtlpriv->link_info.num_tx_in4period[idx + 1]; 2087 } 2088 rtlpriv->link_info.num_rx_in4period[3] = 2089 rtlpriv->link_info.num_rx_inperiod; 2090 rtlpriv->link_info.num_tx_in4period[3] = 2091 rtlpriv->link_info.num_tx_inperiod; 2092 for (idx = 0; idx <= 3; idx++) { 2093 rx_cnt_inp4eriod += 2094 rtlpriv->link_info.num_rx_in4period[idx]; 2095 tx_cnt_inp4eriod += 2096 rtlpriv->link_info.num_tx_in4period[idx]; 2097 } 2098 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 2099 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 2100 2101 /* (2) check traffic busy */ 2102 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 2103 busytraffic = true; 2104 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 2105 rx_busy_traffic = true; 2106 else 2107 tx_busy_traffic = false; 2108 } 2109 2110 /* Higher Tx/Rx data. */ 2111 if (aver_rx_cnt_inperiod > 4000 || 2112 aver_tx_cnt_inperiod > 4000) { 2113 higher_busytraffic = true; 2114 2115 /* Extremely high Rx data. */ 2116 if (aver_rx_cnt_inperiod > 5000) 2117 higher_busyrxtraffic = true; 2118 } 2119 2120 /* check every tid's tx traffic */ 2121 for (tid = 0; tid <= 7; tid++) { 2122 for (idx = 0; idx <= 2; idx++) 2123 rtlpriv->link_info.tidtx_in4period[tid][idx] = 2124 rtlpriv->link_info.tidtx_in4period[tid] 2125 [idx + 1]; 2126 rtlpriv->link_info.tidtx_in4period[tid][3] = 2127 rtlpriv->link_info.tidtx_inperiod[tid]; 2128 2129 for (idx = 0; idx <= 3; idx++) 2130 tidtx_inp4eriod[tid] += 2131 rtlpriv->link_info.tidtx_in4period[tid][idx]; 2132 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 2133 if (aver_tidtx_inperiod[tid] > 5000) 2134 rtlpriv->link_info.higher_busytxtraffic[tid] = 2135 true; 2136 else 2137 rtlpriv->link_info.higher_busytxtraffic[tid] = 2138 false; 2139 } 2140 2141 /* PS is controlled by coex. */ 2142 if (rtlpriv->cfg->ops->get_btc_status() && 2143 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv)) 2144 goto label_lps_done; 2145 2146 if (rtlpriv->link_info.num_rx_inperiod + 2147 rtlpriv->link_info.num_tx_inperiod > 8 || 2148 rtlpriv->link_info.num_rx_inperiod > 2) 2149 rtl_lps_leave(hw, true); 2150 else 2151 rtl_lps_enter(hw, true); 2152 2153 label_lps_done: 2154 ; 2155 } 2156 2157 for (tid = 0; tid <= 7; tid++) 2158 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 2159 2160 rtlpriv->link_info.busytraffic = busytraffic; 2161 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 2162 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 2163 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 2164 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 2165 2166 rtlpriv->stats.txbytesunicast_inperiod = 2167 rtlpriv->stats.txbytesunicast - 2168 rtlpriv->stats.txbytesunicast_last; 2169 rtlpriv->stats.rxbytesunicast_inperiod = 2170 rtlpriv->stats.rxbytesunicast - 2171 rtlpriv->stats.rxbytesunicast_last; 2172 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast; 2173 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast; 2174 2175 rtlpriv->stats.txbytesunicast_inperiod_tp = 2176 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 / 2177 1024 / 1024); 2178 rtlpriv->stats.rxbytesunicast_inperiod_tp = 2179 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 / 2180 1024 / 1024); 2181 2182 /* <3> DM */ 2183 if (!rtlpriv->cfg->mod_params->disable_watchdog) 2184 rtlpriv->cfg->ops->dm_watchdog(hw); 2185 2186 /* <4> roaming */ 2187 if (mac->link_state == MAC80211_LINKED && 2188 mac->opmode == NL80211_IFTYPE_STATION) { 2189 if ((rtlpriv->link_info.bcn_rx_inperiod + 2190 rtlpriv->link_info.num_rx_inperiod) == 0) { 2191 rtlpriv->link_info.roam_times++; 2192 rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG, 2193 "AP off for %d s\n", 2194 (rtlpriv->link_info.roam_times * 2)); 2195 2196 /* if we can't recv beacon for 10s, 2197 * we should reconnect this AP 2198 */ 2199 if (rtlpriv->link_info.roam_times >= 5) { 2200 pr_err("AP off, try to reconnect now\n"); 2201 rtlpriv->link_info.roam_times = 0; 2202 ieee80211_connection_loss( 2203 rtlpriv->mac80211.vif); 2204 } 2205 } else { 2206 rtlpriv->link_info.roam_times = 0; 2207 } 2208 } 2209 2210 if (rtlpriv->cfg->ops->get_btc_status()) 2211 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 2212 2213 if (rtlpriv->btcoexist.btc_info.in_4way) { 2214 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts + 2215 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME))) 2216 rtlpriv->btcoexist.btc_info.in_4way = false; 2217 } 2218 2219 rtlpriv->link_info.num_rx_inperiod = 0; 2220 rtlpriv->link_info.num_tx_inperiod = 0; 2221 rtlpriv->link_info.bcn_rx_inperiod = 0; 2222 2223 /* <6> scan list */ 2224 rtl_scan_list_expire(hw); 2225 2226 /* <7> check ack queue */ 2227 rtl_free_entries_from_ack_queue(hw, true); 2228 } 2229 2230 void rtl_watch_dog_timer_callback(struct timer_list *t) 2231 { 2232 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer); 2233 2234 queue_delayed_work(rtlpriv->works.rtl_wq, 2235 &rtlpriv->works.watchdog_wq, 0); 2236 2237 mod_timer(&rtlpriv->works.watchdog_timer, 2238 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 2239 } 2240 2241 static void rtl_fwevt_wq_callback(struct work_struct *work) 2242 { 2243 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2244 fwevt_wq.work); 2245 struct ieee80211_hw *hw = rtlworks->hw; 2246 struct rtl_priv *rtlpriv = rtl_priv(hw); 2247 2248 rtlpriv->cfg->ops->c2h_command_handle(hw); 2249 } 2250 2251 static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, 2252 struct sk_buff *skb); 2253 2254 static bool rtl_c2h_fast_cmd(struct ieee80211_hw *hw, struct sk_buff *skb) 2255 { 2256 u8 cmd_id = GET_C2H_CMD_ID(skb->data); 2257 2258 switch (cmd_id) { 2259 case C2H_BT_MP: 2260 return true; 2261 default: 2262 break; 2263 } 2264 2265 return false; 2266 } 2267 2268 void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb) 2269 { 2270 struct rtl_priv *rtlpriv = rtl_priv(hw); 2271 2272 if (rtl_c2h_fast_cmd(hw, skb)) { 2273 rtl_c2h_content_parsing(hw, skb); 2274 kfree_skb(skb); 2275 return; 2276 } 2277 2278 /* enqueue */ 2279 skb_queue_tail(&rtlpriv->c2hcmd_queue, skb); 2280 2281 /* wake up wq */ 2282 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0); 2283 } 2284 EXPORT_SYMBOL(rtl_c2hcmd_enqueue); 2285 2286 static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, 2287 struct sk_buff *skb) 2288 { 2289 struct rtl_priv *rtlpriv = rtl_priv(hw); 2290 struct rtl_hal_ops *hal_ops = rtlpriv->cfg->ops; 2291 const struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 2292 u8 cmd_id, cmd_len; 2293 u8 *cmd_buf = NULL; 2294 2295 cmd_id = GET_C2H_CMD_ID(skb->data); 2296 cmd_len = skb->len - C2H_DATA_OFFSET; 2297 cmd_buf = GET_C2H_DATA_PTR(skb->data); 2298 2299 switch (cmd_id) { 2300 case C2H_DBG: 2301 rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n"); 2302 break; 2303 case C2H_TXBF: 2304 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2305 "[C2H], C2H_TXBF!!\n"); 2306 break; 2307 case C2H_TX_REPORT: 2308 rtl_tx_report_handler(hw, cmd_buf, cmd_len); 2309 break; 2310 case C2H_RA_RPT: 2311 if (hal_ops->c2h_ra_report_handler) 2312 hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len); 2313 break; 2314 case C2H_BT_INFO: 2315 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2316 "[C2H], C2H_BT_INFO!!\n"); 2317 if (rtlpriv->cfg->ops->get_btc_status()) 2318 btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len); 2319 break; 2320 case C2H_BT_MP: 2321 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2322 "[C2H], C2H_BT_MP!!\n"); 2323 if (rtlpriv->cfg->ops->get_btc_status()) 2324 btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len); 2325 break; 2326 default: 2327 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE, 2328 "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id); 2329 break; 2330 } 2331 } 2332 2333 void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec) 2334 { 2335 struct rtl_priv *rtlpriv = rtl_priv(hw); 2336 struct sk_buff *skb; 2337 int i; 2338 2339 for (i = 0; i < 200; i++) { 2340 /* dequeue a task */ 2341 skb = skb_dequeue(&rtlpriv->c2hcmd_queue); 2342 2343 /* do it */ 2344 if (!skb) 2345 break; 2346 2347 rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n", 2348 *((u8 *)skb->cb)); 2349 RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG, 2350 "C2H data: ", skb->data, skb->len); 2351 2352 if (exec) 2353 rtl_c2h_content_parsing(hw, skb); 2354 2355 /* free */ 2356 dev_kfree_skb_any(skb); 2357 } 2358 } 2359 2360 static void rtl_c2hcmd_wq_callback(struct work_struct *work) 2361 { 2362 struct rtl_works *rtlworks = container_of(work, struct rtl_works, 2363 c2hcmd_wq.work); 2364 struct ieee80211_hw *hw = rtlworks->hw; 2365 2366 rtl_c2hcmd_launcher(hw, 1); 2367 } 2368 2369 void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t) 2370 { 2371 struct rtl_priv *rtlpriv = 2372 from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer); 2373 struct ieee80211_hw *hw = rtlpriv->hw; 2374 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; 2375 2376 if (buddy_priv == NULL) 2377 return; 2378 2379 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); 2380 } 2381 2382 /********************************************************* 2383 * 2384 * frame process functions 2385 * 2386 *********************************************************/ 2387 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 2388 { 2389 struct ieee80211_mgmt *mgmt = (void *)data; 2390 u8 *pos, *end; 2391 2392 pos = (u8 *)mgmt->u.beacon.variable; 2393 end = data + len; 2394 while (pos < end) { 2395 if (pos + 2 + pos[1] > end) 2396 return NULL; 2397 2398 if (pos[0] == ie) 2399 return pos; 2400 2401 pos += 2 + pos[1]; 2402 } 2403 return NULL; 2404 } 2405 2406 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 2407 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 2408 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 2409 enum ieee80211_smps_mode smps, 2410 u8 *da, u8 *bssid) 2411 { 2412 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2413 struct sk_buff *skb; 2414 struct ieee80211_mgmt *action_frame; 2415 2416 /* 27 = header + category + action + smps mode */ 2417 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 2418 if (!skb) 2419 return NULL; 2420 2421 skb_reserve(skb, hw->extra_tx_headroom); 2422 action_frame = skb_put_zero(skb, 27); 2423 memcpy(action_frame->da, da, ETH_ALEN); 2424 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 2425 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2426 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2427 IEEE80211_STYPE_ACTION); 2428 action_frame->u.action.category = WLAN_CATEGORY_HT; 2429 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 2430 switch (smps) { 2431 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 2432 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 2433 WARN_ON(1); 2434 fallthrough; 2435 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 2436 action_frame->u.action.u.ht_smps.smps_control = 2437 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 2438 break; 2439 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 2440 action_frame->u.action.u.ht_smps.smps_control = 2441 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 2442 break; 2443 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 2444 action_frame->u.action.u.ht_smps.smps_control = 2445 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 2446 break; 2447 } 2448 2449 return skb; 2450 } 2451 2452 int rtl_send_smps_action(struct ieee80211_hw *hw, 2453 struct ieee80211_sta *sta, 2454 enum ieee80211_smps_mode smps) 2455 { 2456 struct rtl_priv *rtlpriv = rtl_priv(hw); 2457 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2458 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 2459 struct sk_buff *skb = NULL; 2460 struct rtl_tcb_desc tcb_desc; 2461 u8 bssid[ETH_ALEN] = {0}; 2462 2463 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 2464 2465 if (rtlpriv->mac80211.act_scanning) 2466 goto err_free; 2467 2468 if (!sta) 2469 goto err_free; 2470 2471 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 2472 goto err_free; 2473 2474 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 2475 goto err_free; 2476 2477 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 2478 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 2479 else 2480 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 2481 2482 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 2483 /* this is a type = mgmt * stype = action frame */ 2484 if (skb) { 2485 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 2486 struct rtl_sta_info *sta_entry = 2487 (struct rtl_sta_info *) sta->drv_priv; 2488 sta_entry->mimo_ps = smps; 2489 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */ 2490 2491 info->control.rates[0].idx = 0; 2492 info->band = hw->conf.chandef.chan->band; 2493 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 2494 } 2495 return 1; 2496 2497 err_free: 2498 return 0; 2499 } 2500 EXPORT_SYMBOL(rtl_send_smps_action); 2501 2502 void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 2503 { 2504 struct rtl_priv *rtlpriv = rtl_priv(hw); 2505 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2506 enum io_type iotype; 2507 2508 if (!is_hal_stop(rtlhal)) { 2509 switch (operation) { 2510 case SCAN_OPT_BACKUP: 2511 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 2512 rtlpriv->cfg->ops->set_hw_reg(hw, 2513 HW_VAR_IO_CMD, 2514 (u8 *)&iotype); 2515 break; 2516 case SCAN_OPT_RESTORE: 2517 iotype = IO_CMD_RESUME_DM_BY_SCAN; 2518 rtlpriv->cfg->ops->set_hw_reg(hw, 2519 HW_VAR_IO_CMD, 2520 (u8 *)&iotype); 2521 break; 2522 default: 2523 pr_err("Unknown Scan Backup operation.\n"); 2524 break; 2525 } 2526 } 2527 } 2528 EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 2529 2530 /* because mac80211 have issues when can receive del ba 2531 * so here we just make a fake del_ba if we receive a ba_req 2532 * but rx_agg was opened to let mac80211 release some ba 2533 * related resources, so please this del_ba for tx 2534 */ 2535 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 2536 u8 *sa, u8 *bssid, u16 tid) 2537 { 2538 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2539 struct sk_buff *skb; 2540 struct ieee80211_mgmt *action_frame; 2541 u16 params; 2542 2543 /* 27 = header + category + action + smps mode */ 2544 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 2545 if (!skb) 2546 return NULL; 2547 2548 skb_reserve(skb, hw->extra_tx_headroom); 2549 action_frame = skb_put_zero(skb, 34); 2550 memcpy(action_frame->sa, sa, ETH_ALEN); 2551 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 2552 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2553 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2554 IEEE80211_STYPE_ACTION); 2555 action_frame->u.action.category = WLAN_CATEGORY_BACK; 2556 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 2557 params = (u16)(1 << 11); /* bit 11 initiator */ 2558 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 2559 2560 action_frame->u.action.u.delba.params = cpu_to_le16(params); 2561 action_frame->u.action.u.delba.reason_code = 2562 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 2563 2564 return skb; 2565 } 2566 2567 /********************************************************* 2568 * 2569 * IOT functions 2570 * 2571 *********************************************************/ 2572 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 2573 struct octet_string vendor_ie) 2574 { 2575 struct rtl_priv *rtlpriv = rtl_priv(hw); 2576 bool matched = false; 2577 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 2578 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 2579 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 2580 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 2581 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 2582 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 2583 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 2584 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 2585 2586 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 2587 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 2588 rtlpriv->mac80211.vendor = PEER_ATH; 2589 matched = true; 2590 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 2591 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 2592 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 2593 rtlpriv->mac80211.vendor = PEER_BROAD; 2594 matched = true; 2595 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 2596 rtlpriv->mac80211.vendor = PEER_RAL; 2597 matched = true; 2598 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 2599 rtlpriv->mac80211.vendor = PEER_CISCO; 2600 matched = true; 2601 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 2602 rtlpriv->mac80211.vendor = PEER_MARV; 2603 matched = true; 2604 } 2605 2606 return matched; 2607 } 2608 2609 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 2610 unsigned int len) 2611 { 2612 struct ieee80211_mgmt *mgmt = (void *)data; 2613 struct octet_string vendor_ie; 2614 u8 *pos, *end; 2615 2616 pos = (u8 *)mgmt->u.beacon.variable; 2617 end = data + len; 2618 while (pos < end) { 2619 if (pos[0] == 221) { 2620 vendor_ie.length = pos[1]; 2621 vendor_ie.octet = &pos[2]; 2622 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 2623 return true; 2624 } 2625 2626 if (pos + 2 + pos[1] > end) 2627 return false; 2628 2629 pos += 2 + pos[1]; 2630 } 2631 return false; 2632 } 2633 2634 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 2635 { 2636 struct rtl_priv *rtlpriv = rtl_priv(hw); 2637 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2638 struct ieee80211_hdr *hdr = (void *)data; 2639 u32 vendor = PEER_UNKNOWN; 2640 2641 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 2642 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 2643 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 2644 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 2645 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 2646 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 2647 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 2648 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 2649 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 2650 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 2651 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 2652 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 2653 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 2654 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 2655 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 2656 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 2657 2658 if (mac->opmode != NL80211_IFTYPE_STATION) 2659 return; 2660 2661 if (mac->link_state == MAC80211_NOLINK) { 2662 mac->vendor = PEER_UNKNOWN; 2663 return; 2664 } 2665 2666 if (mac->cnt_after_linked > 2) 2667 return; 2668 2669 /* check if this really is a beacon */ 2670 if (!ieee80211_is_beacon(hdr->frame_control)) 2671 return; 2672 2673 /* min. beacon length + FCS_LEN */ 2674 if (len <= 40 + FCS_LEN) 2675 return; 2676 2677 /* and only beacons from the associated BSSID, please */ 2678 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 2679 return; 2680 2681 if (rtl_find_221_ie(hw, data, len)) 2682 vendor = mac->vendor; 2683 2684 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 2685 (memcmp(mac->bssid, ap5_2, 3) == 0) || 2686 (memcmp(mac->bssid, ap5_3, 3) == 0) || 2687 (memcmp(mac->bssid, ap5_4, 3) == 0) || 2688 (memcmp(mac->bssid, ap5_5, 3) == 0) || 2689 (memcmp(mac->bssid, ap5_6, 3) == 0) || 2690 vendor == PEER_ATH) { 2691 vendor = PEER_ATH; 2692 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 2693 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 2694 (memcmp(mac->bssid, ap4_5, 3) == 0) || 2695 (memcmp(mac->bssid, ap4_1, 3) == 0) || 2696 (memcmp(mac->bssid, ap4_2, 3) == 0) || 2697 (memcmp(mac->bssid, ap4_3, 3) == 0) || 2698 vendor == PEER_RAL) { 2699 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 2700 vendor = PEER_RAL; 2701 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 2702 vendor == PEER_CISCO) { 2703 vendor = PEER_CISCO; 2704 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 2705 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 2706 (memcmp(mac->bssid, ap3_2, 3) == 0) || 2707 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2708 vendor == PEER_BROAD) { 2709 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2710 vendor = PEER_BROAD; 2711 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2712 vendor == PEER_MARV) { 2713 vendor = PEER_MARV; 2714 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2715 } 2716 2717 mac->vendor = vendor; 2718 } 2719 EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2720 2721 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2722 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2723 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2724 MODULE_LICENSE("GPL"); 2725 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2726 2727 struct rtl_global_var rtl_global_var = {}; 2728 EXPORT_SYMBOL_GPL(rtl_global_var); 2729 2730 static int __init rtl_core_module_init(void) 2731 { 2732 BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION); 2733 BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION); 2734 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION); 2735 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1)); 2736 2737 if (rtl_rate_control_register()) 2738 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2739 2740 /* add debugfs */ 2741 rtl_debugfs_add_topdir(); 2742 2743 /* init some global vars */ 2744 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); 2745 spin_lock_init(&rtl_global_var.glb_list_lock); 2746 2747 return 0; 2748 } 2749 2750 static void __exit rtl_core_module_exit(void) 2751 { 2752 /*RC*/ 2753 rtl_rate_control_unregister(); 2754 2755 /* remove debugfs */ 2756 rtl_debugfs_remove_topdir(); 2757 } 2758 2759 module_init(rtl_core_module_init); 2760 module_exit(rtl_core_module_exit); 2761