1 /****************************************************************************** 2 * 3 * Copyright(c) 2009-2012 Realtek Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * The full GNU General Public License is included in this distribution in the 15 * file called LICENSE. 16 * 17 * Contact Information: 18 * wlanfae <wlanfae@realtek.com> 19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 20 * Hsinchu 300, Taiwan. 21 * 22 * Larry Finger <Larry.Finger@lwfinger.net> 23 * 24 *****************************************************************************/ 25 26 #include "wifi.h" 27 #include "rc.h" 28 #include "base.h" 29 #include "efuse.h" 30 #include "cam.h" 31 #include "ps.h" 32 #include "regd.h" 33 #include "pci.h" 34 #include <linux/ip.h> 35 #include <linux/module.h> 36 #include <linux/udp.h> 37 38 /* 39 *NOTICE!!!: This file will be very big, we should 40 *keep it clear under following roles: 41 * 42 *This file include following parts, so, if you add new 43 *functions into this file, please check which part it 44 *should includes. or check if you should add new part 45 *for this file: 46 * 47 *1) mac80211 init functions 48 *2) tx information functions 49 *3) functions called by core.c 50 *4) wq & timer callback functions 51 *5) frame process functions 52 *6) IOT functions 53 *7) sysfs functions 54 *8) vif functions 55 *9) ... 56 */ 57 58 /********************************************************* 59 * 60 * mac80211 init functions 61 * 62 *********************************************************/ 63 static struct ieee80211_channel rtl_channeltable_2g[] = { 64 {.center_freq = 2412, .hw_value = 1,}, 65 {.center_freq = 2417, .hw_value = 2,}, 66 {.center_freq = 2422, .hw_value = 3,}, 67 {.center_freq = 2427, .hw_value = 4,}, 68 {.center_freq = 2432, .hw_value = 5,}, 69 {.center_freq = 2437, .hw_value = 6,}, 70 {.center_freq = 2442, .hw_value = 7,}, 71 {.center_freq = 2447, .hw_value = 8,}, 72 {.center_freq = 2452, .hw_value = 9,}, 73 {.center_freq = 2457, .hw_value = 10,}, 74 {.center_freq = 2462, .hw_value = 11,}, 75 {.center_freq = 2467, .hw_value = 12,}, 76 {.center_freq = 2472, .hw_value = 13,}, 77 {.center_freq = 2484, .hw_value = 14,}, 78 }; 79 80 static struct ieee80211_channel rtl_channeltable_5g[] = { 81 {.center_freq = 5180, .hw_value = 36,}, 82 {.center_freq = 5200, .hw_value = 40,}, 83 {.center_freq = 5220, .hw_value = 44,}, 84 {.center_freq = 5240, .hw_value = 48,}, 85 {.center_freq = 5260, .hw_value = 52,}, 86 {.center_freq = 5280, .hw_value = 56,}, 87 {.center_freq = 5300, .hw_value = 60,}, 88 {.center_freq = 5320, .hw_value = 64,}, 89 {.center_freq = 5500, .hw_value = 100,}, 90 {.center_freq = 5520, .hw_value = 104,}, 91 {.center_freq = 5540, .hw_value = 108,}, 92 {.center_freq = 5560, .hw_value = 112,}, 93 {.center_freq = 5580, .hw_value = 116,}, 94 {.center_freq = 5600, .hw_value = 120,}, 95 {.center_freq = 5620, .hw_value = 124,}, 96 {.center_freq = 5640, .hw_value = 128,}, 97 {.center_freq = 5660, .hw_value = 132,}, 98 {.center_freq = 5680, .hw_value = 136,}, 99 {.center_freq = 5700, .hw_value = 140,}, 100 {.center_freq = 5745, .hw_value = 149,}, 101 {.center_freq = 5765, .hw_value = 153,}, 102 {.center_freq = 5785, .hw_value = 157,}, 103 {.center_freq = 5805, .hw_value = 161,}, 104 {.center_freq = 5825, .hw_value = 165,}, 105 }; 106 107 static struct ieee80211_rate rtl_ratetable_2g[] = { 108 {.bitrate = 10, .hw_value = 0x00,}, 109 {.bitrate = 20, .hw_value = 0x01,}, 110 {.bitrate = 55, .hw_value = 0x02,}, 111 {.bitrate = 110, .hw_value = 0x03,}, 112 {.bitrate = 60, .hw_value = 0x04,}, 113 {.bitrate = 90, .hw_value = 0x05,}, 114 {.bitrate = 120, .hw_value = 0x06,}, 115 {.bitrate = 180, .hw_value = 0x07,}, 116 {.bitrate = 240, .hw_value = 0x08,}, 117 {.bitrate = 360, .hw_value = 0x09,}, 118 {.bitrate = 480, .hw_value = 0x0a,}, 119 {.bitrate = 540, .hw_value = 0x0b,}, 120 }; 121 122 static struct ieee80211_rate rtl_ratetable_5g[] = { 123 {.bitrate = 60, .hw_value = 0x04,}, 124 {.bitrate = 90, .hw_value = 0x05,}, 125 {.bitrate = 120, .hw_value = 0x06,}, 126 {.bitrate = 180, .hw_value = 0x07,}, 127 {.bitrate = 240, .hw_value = 0x08,}, 128 {.bitrate = 360, .hw_value = 0x09,}, 129 {.bitrate = 480, .hw_value = 0x0a,}, 130 {.bitrate = 540, .hw_value = 0x0b,}, 131 }; 132 133 static const struct ieee80211_supported_band rtl_band_2ghz = { 134 .band = NL80211_BAND_2GHZ, 135 136 .channels = rtl_channeltable_2g, 137 .n_channels = ARRAY_SIZE(rtl_channeltable_2g), 138 139 .bitrates = rtl_ratetable_2g, 140 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g), 141 142 .ht_cap = {0}, 143 }; 144 145 static struct ieee80211_supported_band rtl_band_5ghz = { 146 .band = NL80211_BAND_5GHZ, 147 148 .channels = rtl_channeltable_5g, 149 .n_channels = ARRAY_SIZE(rtl_channeltable_5g), 150 151 .bitrates = rtl_ratetable_5g, 152 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g), 153 154 .ht_cap = {0}, 155 }; 156 157 static const u8 tid_to_ac[] = { 158 2, /* IEEE80211_AC_BE */ 159 3, /* IEEE80211_AC_BK */ 160 3, /* IEEE80211_AC_BK */ 161 2, /* IEEE80211_AC_BE */ 162 1, /* IEEE80211_AC_VI */ 163 1, /* IEEE80211_AC_VI */ 164 0, /* IEEE80211_AC_VO */ 165 0, /* IEEE80211_AC_VO */ 166 }; 167 168 u8 rtl_tid_to_ac(u8 tid) 169 { 170 return tid_to_ac[tid]; 171 } 172 EXPORT_SYMBOL_GPL(rtl_tid_to_ac); 173 174 static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, 175 struct ieee80211_sta_ht_cap *ht_cap) 176 { 177 struct rtl_priv *rtlpriv = rtl_priv(hw); 178 struct rtl_phy *rtlphy = &(rtlpriv->phy); 179 180 ht_cap->ht_supported = true; 181 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 182 IEEE80211_HT_CAP_SGI_40 | 183 IEEE80211_HT_CAP_SGI_20 | 184 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU; 185 186 if (rtlpriv->rtlhal.disable_amsdu_8k) 187 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 188 189 /* 190 *Maximum length of AMPDU that the STA can receive. 191 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 192 */ 193 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 194 195 /*Minimum MPDU start spacing , */ 196 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; 197 198 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 199 200 /*hw->wiphy->bands[NL80211_BAND_2GHZ] 201 *base on ant_num 202 *rx_mask: RX mask 203 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7 204 *if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15 205 *if rx_ant >= 3 rx_mask[2]= 0xff; 206 *if BW_40 rx_mask[4]= 0x01; 207 *highest supported RX rate 208 */ 209 if (rtlpriv->dm.supp_phymode_switch) { 210 pr_info("Support phy mode switch\n"); 211 212 ht_cap->mcs.rx_mask[0] = 0xFF; 213 ht_cap->mcs.rx_mask[1] = 0xFF; 214 ht_cap->mcs.rx_mask[4] = 0x01; 215 216 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); 217 } else { 218 if (get_rf_type(rtlphy) == RF_1T2R || 219 get_rf_type(rtlphy) == RF_2T2R) { 220 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 221 "1T2R or 2T2R\n"); 222 ht_cap->mcs.rx_mask[0] = 0xFF; 223 ht_cap->mcs.rx_mask[1] = 0xFF; 224 ht_cap->mcs.rx_mask[4] = 0x01; 225 226 ht_cap->mcs.rx_highest = 227 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); 228 } else if (get_rf_type(rtlphy) == RF_1T1R) { 229 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n"); 230 231 ht_cap->mcs.rx_mask[0] = 0xFF; 232 ht_cap->mcs.rx_mask[1] = 0x00; 233 ht_cap->mcs.rx_mask[4] = 0x01; 234 235 ht_cap->mcs.rx_highest = 236 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7); 237 } 238 } 239 } 240 241 static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw, 242 struct ieee80211_sta_vht_cap *vht_cap) 243 { 244 struct rtl_priv *rtlpriv = rtl_priv(hw); 245 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 246 247 if (!(rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT)) 248 return; 249 250 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE || 251 rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) { 252 u16 mcs_map; 253 254 vht_cap->vht_supported = true; 255 vht_cap->cap = 256 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 257 IEEE80211_VHT_CAP_SHORT_GI_80 | 258 IEEE80211_VHT_CAP_TXSTBC | 259 IEEE80211_VHT_CAP_RXSTBC_1 | 260 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 261 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 262 IEEE80211_VHT_CAP_HTC_VHT | 263 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 264 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 265 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 266 0; 267 268 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 269 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | 270 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 271 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 272 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 273 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 274 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 275 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 276 277 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 278 vht_cap->vht_mcs.rx_highest = 279 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 280 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 281 vht_cap->vht_mcs.tx_highest = 282 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 283 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) { 284 u16 mcs_map; 285 286 vht_cap->vht_supported = true; 287 vht_cap->cap = 288 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 289 IEEE80211_VHT_CAP_SHORT_GI_80 | 290 IEEE80211_VHT_CAP_TXSTBC | 291 IEEE80211_VHT_CAP_RXSTBC_1 | 292 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 293 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 294 IEEE80211_VHT_CAP_HTC_VHT | 295 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 296 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 297 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 298 0; 299 300 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 301 IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 | 302 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 303 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 304 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 305 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 306 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 307 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 308 309 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 310 vht_cap->vht_mcs.rx_highest = 311 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); 312 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 313 vht_cap->vht_mcs.tx_highest = 314 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); 315 } 316 } 317 318 static void _rtl_init_mac80211(struct ieee80211_hw *hw) 319 { 320 struct rtl_priv *rtlpriv = rtl_priv(hw); 321 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 322 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 323 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 324 struct ieee80211_supported_band *sband; 325 326 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && 327 rtlhal->bandset == BAND_ON_BOTH) { 328 /* 1: 2.4 G bands */ 329 /* <1> use mac->bands as mem for hw->wiphy->bands */ 330 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]); 331 332 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ] 333 * to default value(1T1R) */ 334 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), &rtl_band_2ghz, 335 sizeof(struct ieee80211_supported_band)); 336 337 /* <3> init ht cap base on ant_num */ 338 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 339 340 /* <4> set mac->sband to wiphy->sband */ 341 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 342 343 /* 2: 5 G bands */ 344 /* <1> use mac->bands as mem for hw->wiphy->bands */ 345 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]); 346 347 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ] 348 * to default value(1T1R) */ 349 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), &rtl_band_5ghz, 350 sizeof(struct ieee80211_supported_band)); 351 352 /* <3> init ht cap base on ant_num */ 353 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 354 355 _rtl_init_hw_vht_capab(hw, &sband->vht_cap); 356 /* <4> set mac->sband to wiphy->sband */ 357 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; 358 } else { 359 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 360 /* <1> use mac->bands as mem for hw->wiphy->bands */ 361 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]); 362 363 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ] 364 * to default value(1T1R) */ 365 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), 366 &rtl_band_2ghz, 367 sizeof(struct ieee80211_supported_band)); 368 369 /* <3> init ht cap base on ant_num */ 370 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 371 372 /* <4> set mac->sband to wiphy->sband */ 373 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 374 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 375 /* <1> use mac->bands as mem for hw->wiphy->bands */ 376 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]); 377 378 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ] 379 * to default value(1T1R) */ 380 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), 381 &rtl_band_5ghz, 382 sizeof(struct ieee80211_supported_band)); 383 384 /* <3> init ht cap base on ant_num */ 385 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 386 387 _rtl_init_hw_vht_capab(hw, &sband->vht_cap); 388 /* <4> set mac->sband to wiphy->sband */ 389 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; 390 } else { 391 pr_err("Err BAND %d\n", 392 rtlhal->current_bandtype); 393 } 394 } 395 /* <5> set hw caps */ 396 ieee80211_hw_set(hw, SIGNAL_DBM); 397 ieee80211_hw_set(hw, RX_INCLUDES_FCS); 398 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 399 ieee80211_hw_set(hw, MFP_CAPABLE); 400 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 401 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 402 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 403 404 /* swlps or hwlps has been set in diff chip in init_sw_vars */ 405 if (rtlpriv->psc.swctrl_lps) { 406 ieee80211_hw_set(hw, SUPPORTS_PS); 407 ieee80211_hw_set(hw, PS_NULLFUNC_STACK); 408 } 409 if (rtlpriv->psc.fwctrl_lps) { 410 ieee80211_hw_set(hw, SUPPORTS_PS); 411 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 412 } 413 hw->wiphy->interface_modes = 414 BIT(NL80211_IFTYPE_AP) | 415 BIT(NL80211_IFTYPE_STATION) | 416 BIT(NL80211_IFTYPE_ADHOC) | 417 BIT(NL80211_IFTYPE_MESH_POINT) | 418 BIT(NL80211_IFTYPE_P2P_CLIENT) | 419 BIT(NL80211_IFTYPE_P2P_GO); 420 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 421 422 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 423 424 hw->wiphy->rts_threshold = 2347; 425 426 hw->queues = AC_MAX; 427 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; 428 429 /* TODO: Correct this value for our hw */ 430 hw->max_listen_interval = MAX_LISTEN_INTERVAL; 431 hw->max_rate_tries = MAX_RATE_TRIES; 432 /* hw->max_rates = 1; */ 433 hw->sta_data_size = sizeof(struct rtl_sta_info); 434 435 /* wowlan is not supported by kernel if CONFIG_PM is not defined */ 436 #ifdef CONFIG_PM 437 if (rtlpriv->psc.wo_wlan_mode) { 438 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET) 439 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT; 440 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) { 441 rtlpriv->wowlan.n_patterns = 442 MAX_SUPPORT_WOL_PATTERN_NUM; 443 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE; 444 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE; 445 } 446 hw->wiphy->wowlan = &rtlpriv->wowlan; 447 } 448 #endif 449 450 /* <6> mac address */ 451 if (is_valid_ether_addr(rtlefuse->dev_addr)) { 452 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); 453 } else { 454 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; 455 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1); 456 SET_IEEE80211_PERM_ADDR(hw, rtlmac1); 457 } 458 } 459 460 static void _rtl_init_deferred_work(struct ieee80211_hw *hw) 461 { 462 struct rtl_priv *rtlpriv = rtl_priv(hw); 463 464 /* <1> timer */ 465 timer_setup(&rtlpriv->works.watchdog_timer, 466 rtl_watch_dog_timer_callback, 0); 467 timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, 468 rtl_easy_concurrent_retrytimer_callback, 0); 469 /* <2> work queue */ 470 rtlpriv->works.hw = hw; 471 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); 472 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, 473 (void *)rtl_watchdog_wq_callback); 474 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, 475 (void *)rtl_ips_nic_off_wq_callback); 476 INIT_DELAYED_WORK(&rtlpriv->works.ps_work, 477 (void *)rtl_swlps_wq_callback); 478 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, 479 (void *)rtl_swlps_rfon_wq_callback); 480 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, 481 (void *)rtl_fwevt_wq_callback); 482 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, 483 (void *)rtl_c2hcmd_wq_callback); 484 485 } 486 487 void rtl_deinit_deferred_work(struct ieee80211_hw *hw) 488 { 489 struct rtl_priv *rtlpriv = rtl_priv(hw); 490 491 del_timer_sync(&rtlpriv->works.watchdog_timer); 492 493 cancel_delayed_work(&rtlpriv->works.watchdog_wq); 494 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); 495 cancel_delayed_work(&rtlpriv->works.ps_work); 496 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 497 cancel_delayed_work(&rtlpriv->works.fwevt_wq); 498 cancel_delayed_work(&rtlpriv->works.c2hcmd_wq); 499 } 500 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); 501 502 void rtl_init_rfkill(struct ieee80211_hw *hw) 503 { 504 struct rtl_priv *rtlpriv = rtl_priv(hw); 505 506 bool radio_state; 507 bool blocked; 508 u8 valid = 0; 509 510 /*set init state to on */ 511 rtlpriv->rfkill.rfkill_state = true; 512 wiphy_rfkill_set_hw_state(hw->wiphy, 0); 513 514 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 515 516 if (valid) { 517 pr_info("rtlwifi: wireless switch is %s\n", 518 rtlpriv->rfkill.rfkill_state ? "on" : "off"); 519 520 rtlpriv->rfkill.rfkill_state = radio_state; 521 522 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; 523 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 524 } 525 526 wiphy_rfkill_start_polling(hw->wiphy); 527 } 528 EXPORT_SYMBOL(rtl_init_rfkill); 529 530 void rtl_deinit_rfkill(struct ieee80211_hw *hw) 531 { 532 wiphy_rfkill_stop_polling(hw->wiphy); 533 } 534 EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); 535 536 int rtl_init_core(struct ieee80211_hw *hw) 537 { 538 struct rtl_priv *rtlpriv = rtl_priv(hw); 539 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 540 541 /* <1> init mac80211 */ 542 _rtl_init_mac80211(hw); 543 rtlmac->hw = hw; 544 545 /* <2> rate control register */ 546 hw->rate_control_algorithm = "rtl_rc"; 547 548 /* 549 * <3> init CRDA must come after init 550 * mac80211 hw in _rtl_init_mac80211. 551 */ 552 if (rtl_regd_init(hw, rtl_reg_notifier)) { 553 pr_err("REGD init failed\n"); 554 return 1; 555 } 556 557 /* <4> locks */ 558 mutex_init(&rtlpriv->locks.conf_mutex); 559 mutex_init(&rtlpriv->locks.ips_mutex); 560 mutex_init(&rtlpriv->locks.lps_mutex); 561 spin_lock_init(&rtlpriv->locks.irq_th_lock); 562 spin_lock_init(&rtlpriv->locks.h2c_lock); 563 spin_lock_init(&rtlpriv->locks.rf_ps_lock); 564 spin_lock_init(&rtlpriv->locks.rf_lock); 565 spin_lock_init(&rtlpriv->locks.waitq_lock); 566 spin_lock_init(&rtlpriv->locks.entry_list_lock); 567 spin_lock_init(&rtlpriv->locks.c2hcmd_lock); 568 spin_lock_init(&rtlpriv->locks.scan_list_lock); 569 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); 570 spin_lock_init(&rtlpriv->locks.fw_ps_lock); 571 spin_lock_init(&rtlpriv->locks.iqk_lock); 572 /* <5> init list */ 573 INIT_LIST_HEAD(&rtlpriv->entry_list); 574 INIT_LIST_HEAD(&rtlpriv->scan_list.list); 575 skb_queue_head_init(&rtlpriv->tx_report.queue); 576 skb_queue_head_init(&rtlpriv->c2hcmd_queue); 577 578 rtlmac->link_state = MAC80211_NOLINK; 579 580 /* <6> init deferred work */ 581 _rtl_init_deferred_work(hw); 582 583 return 0; 584 } 585 EXPORT_SYMBOL_GPL(rtl_init_core); 586 587 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw); 588 static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, 589 bool timeout); 590 591 void rtl_deinit_core(struct ieee80211_hw *hw) 592 { 593 rtl_c2hcmd_launcher(hw, 0); 594 rtl_free_entries_from_scan_list(hw); 595 rtl_free_entries_from_ack_queue(hw, false); 596 } 597 EXPORT_SYMBOL_GPL(rtl_deinit_core); 598 599 void rtl_init_rx_config(struct ieee80211_hw *hw) 600 { 601 struct rtl_priv *rtlpriv = rtl_priv(hw); 602 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 603 604 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); 605 } 606 EXPORT_SYMBOL_GPL(rtl_init_rx_config); 607 608 /********************************************************* 609 * 610 * tx information functions 611 * 612 *********************************************************/ 613 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, 614 struct rtl_tcb_desc *tcb_desc, 615 struct ieee80211_tx_info *info) 616 { 617 struct rtl_priv *rtlpriv = rtl_priv(hw); 618 u8 rate_flag = info->control.rates[0].flags; 619 620 tcb_desc->use_shortpreamble = false; 621 622 /* 1M can only use Long Preamble. 11B spec */ 623 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) 624 return; 625 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 626 tcb_desc->use_shortpreamble = true; 627 628 return; 629 } 630 631 static void _rtl_query_shortgi(struct ieee80211_hw *hw, 632 struct ieee80211_sta *sta, 633 struct rtl_tcb_desc *tcb_desc, 634 struct ieee80211_tx_info *info) 635 { 636 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 637 u8 rate_flag = info->control.rates[0].flags; 638 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; 639 u8 sgi_80 = 0, bw_80 = 0; 640 tcb_desc->use_shortgi = false; 641 642 if (sta == NULL) 643 return; 644 645 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 646 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 647 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; 648 649 if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported)) 650 return; 651 652 if (!sgi_40 && !sgi_20) 653 return; 654 655 if (mac->opmode == NL80211_IFTYPE_STATION) { 656 bw_40 = mac->bw_40; 657 bw_80 = mac->bw_80; 658 } else if (mac->opmode == NL80211_IFTYPE_AP || 659 mac->opmode == NL80211_IFTYPE_ADHOC || 660 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 661 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; 662 bw_80 = sta->vht_cap.vht_supported; 663 } 664 665 if (bw_80) { 666 if (sgi_80) 667 tcb_desc->use_shortgi = true; 668 else 669 tcb_desc->use_shortgi = false; 670 } else { 671 if (bw_40 && sgi_40) 672 tcb_desc->use_shortgi = true; 673 else if (!bw_40 && sgi_20) 674 tcb_desc->use_shortgi = true; 675 } 676 677 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) 678 tcb_desc->use_shortgi = false; 679 } 680 681 static void _rtl_query_protection_mode(struct ieee80211_hw *hw, 682 struct rtl_tcb_desc *tcb_desc, 683 struct ieee80211_tx_info *info) 684 { 685 struct rtl_priv *rtlpriv = rtl_priv(hw); 686 u8 rate_flag = info->control.rates[0].flags; 687 688 /* Common Settings */ 689 tcb_desc->rts_stbc = false; 690 tcb_desc->cts_enable = false; 691 tcb_desc->rts_sc = 0; 692 tcb_desc->rts_bw = false; 693 tcb_desc->rts_use_shortpreamble = false; 694 tcb_desc->rts_use_shortgi = false; 695 696 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { 697 /* Use CTS-to-SELF in protection mode. */ 698 tcb_desc->rts_enable = true; 699 tcb_desc->cts_enable = true; 700 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 701 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { 702 /* Use RTS-CTS in protection mode. */ 703 tcb_desc->rts_enable = true; 704 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 705 } 706 } 707 708 u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index, 709 enum wireless_mode wirelessmode) 710 { 711 struct rtl_priv *rtlpriv = rtl_priv(hw); 712 struct rtl_phy *rtlphy = &rtlpriv->phy; 713 u8 ret = 0; 714 715 switch (rate_index) { 716 case RATR_INX_WIRELESS_NGB: 717 if (rtlphy->rf_type == RF_1T1R) 718 ret = RATEID_IDX_BGN_40M_1SS; 719 else 720 ret = RATEID_IDX_BGN_40M_2SS; 721 ; break; 722 case RATR_INX_WIRELESS_N: 723 case RATR_INX_WIRELESS_NG: 724 if (rtlphy->rf_type == RF_1T1R) 725 ret = RATEID_IDX_GN_N1SS; 726 else 727 ret = RATEID_IDX_GN_N2SS; 728 ; break; 729 case RATR_INX_WIRELESS_NB: 730 if (rtlphy->rf_type == RF_1T1R) 731 ret = RATEID_IDX_BGN_20M_1SS_BN; 732 else 733 ret = RATEID_IDX_BGN_20M_2SS_BN; 734 ; break; 735 case RATR_INX_WIRELESS_GB: 736 ret = RATEID_IDX_BG; 737 break; 738 case RATR_INX_WIRELESS_G: 739 ret = RATEID_IDX_G; 740 break; 741 case RATR_INX_WIRELESS_B: 742 ret = RATEID_IDX_B; 743 break; 744 case RATR_INX_WIRELESS_MC: 745 if (wirelessmode == WIRELESS_MODE_B || 746 wirelessmode == WIRELESS_MODE_G || 747 wirelessmode == WIRELESS_MODE_N_24G || 748 wirelessmode == WIRELESS_MODE_AC_24G) 749 ret = RATEID_IDX_BG; 750 else 751 ret = RATEID_IDX_G; 752 break; 753 case RATR_INX_WIRELESS_AC_5N: 754 if (rtlphy->rf_type == RF_1T1R) 755 ret = RATEID_IDX_VHT_1SS; 756 else 757 ret = RATEID_IDX_VHT_2SS; 758 break; 759 case RATR_INX_WIRELESS_AC_24N: 760 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 761 if (rtlphy->rf_type == RF_1T1R) 762 ret = RATEID_IDX_VHT_1SS; 763 else 764 ret = RATEID_IDX_VHT_2SS; 765 } else { 766 if (rtlphy->rf_type == RF_1T1R) 767 ret = RATEID_IDX_MIX1; 768 else 769 ret = RATEID_IDX_MIX2; 770 } 771 break; 772 default: 773 ret = RATEID_IDX_BGN_40M_2SS; 774 break; 775 } 776 return ret; 777 } 778 EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id); 779 780 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, 781 struct ieee80211_sta *sta, 782 struct rtl_tcb_desc *tcb_desc) 783 { 784 #define SET_RATE_ID(rate_id) \ 785 ({typeof(rate_id) _id = rate_id; \ 786 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 787 rtl_mrate_idx_to_arfr_id(hw, _id, \ 788 (sta_entry ? sta_entry->wireless_mode : \ 789 WIRELESS_MODE_G)) : \ 790 _id); }) 791 792 struct rtl_priv *rtlpriv = rtl_priv(hw); 793 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 794 struct rtl_sta_info *sta_entry = NULL; 795 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 796 797 if (sta) { 798 sta_entry = (struct rtl_sta_info *) sta->drv_priv; 799 ratr_index = sta_entry->ratr_index; 800 } 801 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { 802 if (mac->opmode == NL80211_IFTYPE_STATION) { 803 tcb_desc->ratr_index = 0; 804 } else if (mac->opmode == NL80211_IFTYPE_ADHOC || 805 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 806 if (tcb_desc->multicast || tcb_desc->broadcast) { 807 tcb_desc->hw_rate = 808 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; 809 tcb_desc->use_driver_rate = 1; 810 tcb_desc->ratr_index = 811 SET_RATE_ID(RATR_INX_WIRELESS_MC); 812 } else { 813 tcb_desc->ratr_index = ratr_index; 814 } 815 } else if (mac->opmode == NL80211_IFTYPE_AP) { 816 tcb_desc->ratr_index = ratr_index; 817 } 818 } 819 820 if (rtlpriv->dm.useramask) { 821 tcb_desc->ratr_index = ratr_index; 822 /* TODO we will differentiate adhoc and station future */ 823 if (mac->opmode == NL80211_IFTYPE_STATION || 824 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 825 tcb_desc->mac_id = 0; 826 827 if (sta && 828 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID)) 829 ; /* use sta_entry->ratr_index */ 830 else if (mac->mode == WIRELESS_MODE_AC_5G) 831 tcb_desc->ratr_index = 832 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N); 833 else if (mac->mode == WIRELESS_MODE_AC_24G) 834 tcb_desc->ratr_index = 835 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N); 836 else if (mac->mode == WIRELESS_MODE_N_24G) 837 tcb_desc->ratr_index = 838 SET_RATE_ID(RATR_INX_WIRELESS_NGB); 839 else if (mac->mode == WIRELESS_MODE_N_5G) 840 tcb_desc->ratr_index = 841 SET_RATE_ID(RATR_INX_WIRELESS_NG); 842 else if (mac->mode & WIRELESS_MODE_G) 843 tcb_desc->ratr_index = 844 SET_RATE_ID(RATR_INX_WIRELESS_GB); 845 else if (mac->mode & WIRELESS_MODE_B) 846 tcb_desc->ratr_index = 847 SET_RATE_ID(RATR_INX_WIRELESS_B); 848 else if (mac->mode & WIRELESS_MODE_A) 849 tcb_desc->ratr_index = 850 SET_RATE_ID(RATR_INX_WIRELESS_G); 851 852 } else if (mac->opmode == NL80211_IFTYPE_AP || 853 mac->opmode == NL80211_IFTYPE_ADHOC) { 854 if (NULL != sta) { 855 if (sta->aid > 0) 856 tcb_desc->mac_id = sta->aid + 1; 857 else 858 tcb_desc->mac_id = 1; 859 } else { 860 tcb_desc->mac_id = 0; 861 } 862 } 863 } 864 #undef SET_RATE_ID 865 } 866 867 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, 868 struct ieee80211_sta *sta, 869 struct rtl_tcb_desc *tcb_desc) 870 { 871 struct rtl_priv *rtlpriv = rtl_priv(hw); 872 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 873 874 tcb_desc->packet_bw = false; 875 if (!sta) 876 return; 877 if (mac->opmode == NL80211_IFTYPE_AP || 878 mac->opmode == NL80211_IFTYPE_ADHOC || 879 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 880 if (!(sta->ht_cap.ht_supported) || 881 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 882 return; 883 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 884 if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) 885 return; 886 } 887 if (tcb_desc->multicast || tcb_desc->broadcast) 888 return; 889 890 /*use legency rate, shall use 20MHz */ 891 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) 892 return; 893 894 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; 895 896 if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) { 897 if (mac->opmode == NL80211_IFTYPE_AP || 898 mac->opmode == NL80211_IFTYPE_ADHOC || 899 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 900 if (!(sta->vht_cap.vht_supported)) 901 return; 902 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 903 if (!mac->bw_80 || 904 !(sta->vht_cap.vht_supported)) 905 return; 906 } 907 if (tcb_desc->hw_rate <= 908 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) 909 return; 910 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; 911 } 912 } 913 914 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, 915 struct ieee80211_sta *sta) 916 { 917 struct rtl_priv *rtlpriv = rtl_priv(hw); 918 struct rtl_phy *rtlphy = &(rtlpriv->phy); 919 u8 hw_rate; 920 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map); 921 922 if ((get_rf_type(rtlphy) == RF_2T2R) && 923 (tx_mcs_map & 0x000c) != 0x000c) { 924 if ((tx_mcs_map & 0x000c) >> 2 == 925 IEEE80211_VHT_MCS_SUPPORT_0_7) 926 hw_rate = 927 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; 928 else if ((tx_mcs_map & 0x000c) >> 2 == 929 IEEE80211_VHT_MCS_SUPPORT_0_8) 930 hw_rate = 931 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8]; 932 else 933 hw_rate = 934 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 935 } else { 936 if ((tx_mcs_map & 0x0003) == 937 IEEE80211_VHT_MCS_SUPPORT_0_7) 938 hw_rate = 939 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; 940 else if ((tx_mcs_map & 0x0003) == 941 IEEE80211_VHT_MCS_SUPPORT_0_8) 942 hw_rate = 943 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8]; 944 else 945 hw_rate = 946 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 947 } 948 949 return hw_rate; 950 } 951 952 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, 953 struct ieee80211_sta *sta) 954 { 955 struct rtl_priv *rtlpriv = rtl_priv(hw); 956 struct rtl_phy *rtlphy = &rtlpriv->phy; 957 u8 hw_rate; 958 959 if (get_rf_type(rtlphy) == RF_2T2R && 960 sta->ht_cap.mcs.rx_mask[1] != 0) 961 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; 962 else 963 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; 964 965 return hw_rate; 966 } 967 968 /* mac80211's rate_idx is like this: 969 * 970 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ 971 * 972 * B/G rate: 973 * (rx_status->flag & RX_FLAG_HT) = 0, 974 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, 975 * 976 * N rate: 977 * (rx_status->flag & RX_FLAG_HT) = 1, 978 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 979 * 980 * 5G band:rx_status->band == NL80211_BAND_5GHZ 981 * A rate: 982 * (rx_status->flag & RX_FLAG_HT) = 0, 983 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, 984 * 985 * N rate: 986 * (rx_status->flag & RX_FLAG_HT) = 1, 987 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 988 * 989 * VHT rates: 990 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 991 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 992 */ 993 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, 994 u8 desc_rate) 995 { 996 int rate_idx; 997 998 if (isvht) { 999 switch (desc_rate) { 1000 case DESC_RATEVHT1SS_MCS0: 1001 rate_idx = 0; 1002 break; 1003 case DESC_RATEVHT1SS_MCS1: 1004 rate_idx = 1; 1005 break; 1006 case DESC_RATEVHT1SS_MCS2: 1007 rate_idx = 2; 1008 break; 1009 case DESC_RATEVHT1SS_MCS3: 1010 rate_idx = 3; 1011 break; 1012 case DESC_RATEVHT1SS_MCS4: 1013 rate_idx = 4; 1014 break; 1015 case DESC_RATEVHT1SS_MCS5: 1016 rate_idx = 5; 1017 break; 1018 case DESC_RATEVHT1SS_MCS6: 1019 rate_idx = 6; 1020 break; 1021 case DESC_RATEVHT1SS_MCS7: 1022 rate_idx = 7; 1023 break; 1024 case DESC_RATEVHT1SS_MCS8: 1025 rate_idx = 8; 1026 break; 1027 case DESC_RATEVHT1SS_MCS9: 1028 rate_idx = 9; 1029 break; 1030 case DESC_RATEVHT2SS_MCS0: 1031 rate_idx = 0; 1032 break; 1033 case DESC_RATEVHT2SS_MCS1: 1034 rate_idx = 1; 1035 break; 1036 case DESC_RATEVHT2SS_MCS2: 1037 rate_idx = 2; 1038 break; 1039 case DESC_RATEVHT2SS_MCS3: 1040 rate_idx = 3; 1041 break; 1042 case DESC_RATEVHT2SS_MCS4: 1043 rate_idx = 4; 1044 break; 1045 case DESC_RATEVHT2SS_MCS5: 1046 rate_idx = 5; 1047 break; 1048 case DESC_RATEVHT2SS_MCS6: 1049 rate_idx = 6; 1050 break; 1051 case DESC_RATEVHT2SS_MCS7: 1052 rate_idx = 7; 1053 break; 1054 case DESC_RATEVHT2SS_MCS8: 1055 rate_idx = 8; 1056 break; 1057 case DESC_RATEVHT2SS_MCS9: 1058 rate_idx = 9; 1059 break; 1060 default: 1061 rate_idx = 0; 1062 break; 1063 } 1064 return rate_idx; 1065 } 1066 if (false == isht) { 1067 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 1068 switch (desc_rate) { 1069 case DESC_RATE1M: 1070 rate_idx = 0; 1071 break; 1072 case DESC_RATE2M: 1073 rate_idx = 1; 1074 break; 1075 case DESC_RATE5_5M: 1076 rate_idx = 2; 1077 break; 1078 case DESC_RATE11M: 1079 rate_idx = 3; 1080 break; 1081 case DESC_RATE6M: 1082 rate_idx = 4; 1083 break; 1084 case DESC_RATE9M: 1085 rate_idx = 5; 1086 break; 1087 case DESC_RATE12M: 1088 rate_idx = 6; 1089 break; 1090 case DESC_RATE18M: 1091 rate_idx = 7; 1092 break; 1093 case DESC_RATE24M: 1094 rate_idx = 8; 1095 break; 1096 case DESC_RATE36M: 1097 rate_idx = 9; 1098 break; 1099 case DESC_RATE48M: 1100 rate_idx = 10; 1101 break; 1102 case DESC_RATE54M: 1103 rate_idx = 11; 1104 break; 1105 default: 1106 rate_idx = 0; 1107 break; 1108 } 1109 } else { 1110 switch (desc_rate) { 1111 case DESC_RATE6M: 1112 rate_idx = 0; 1113 break; 1114 case DESC_RATE9M: 1115 rate_idx = 1; 1116 break; 1117 case DESC_RATE12M: 1118 rate_idx = 2; 1119 break; 1120 case DESC_RATE18M: 1121 rate_idx = 3; 1122 break; 1123 case DESC_RATE24M: 1124 rate_idx = 4; 1125 break; 1126 case DESC_RATE36M: 1127 rate_idx = 5; 1128 break; 1129 case DESC_RATE48M: 1130 rate_idx = 6; 1131 break; 1132 case DESC_RATE54M: 1133 rate_idx = 7; 1134 break; 1135 default: 1136 rate_idx = 0; 1137 break; 1138 } 1139 } 1140 } else { 1141 switch (desc_rate) { 1142 case DESC_RATEMCS0: 1143 rate_idx = 0; 1144 break; 1145 case DESC_RATEMCS1: 1146 rate_idx = 1; 1147 break; 1148 case DESC_RATEMCS2: 1149 rate_idx = 2; 1150 break; 1151 case DESC_RATEMCS3: 1152 rate_idx = 3; 1153 break; 1154 case DESC_RATEMCS4: 1155 rate_idx = 4; 1156 break; 1157 case DESC_RATEMCS5: 1158 rate_idx = 5; 1159 break; 1160 case DESC_RATEMCS6: 1161 rate_idx = 6; 1162 break; 1163 case DESC_RATEMCS7: 1164 rate_idx = 7; 1165 break; 1166 case DESC_RATEMCS8: 1167 rate_idx = 8; 1168 break; 1169 case DESC_RATEMCS9: 1170 rate_idx = 9; 1171 break; 1172 case DESC_RATEMCS10: 1173 rate_idx = 10; 1174 break; 1175 case DESC_RATEMCS11: 1176 rate_idx = 11; 1177 break; 1178 case DESC_RATEMCS12: 1179 rate_idx = 12; 1180 break; 1181 case DESC_RATEMCS13: 1182 rate_idx = 13; 1183 break; 1184 case DESC_RATEMCS14: 1185 rate_idx = 14; 1186 break; 1187 case DESC_RATEMCS15: 1188 rate_idx = 15; 1189 break; 1190 default: 1191 rate_idx = 0; 1192 break; 1193 } 1194 } 1195 return rate_idx; 1196 } 1197 EXPORT_SYMBOL(rtlwifi_rate_mapping); 1198 1199 static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw, 1200 struct ieee80211_tx_info *info) 1201 { 1202 struct rtl_priv *rtlpriv = rtl_priv(hw); 1203 struct ieee80211_tx_rate *r = &info->status.rates[0]; 1204 struct ieee80211_rate *txrate; 1205 u8 hw_value = 0x0; 1206 1207 if (r->flags & IEEE80211_TX_RC_MCS) { 1208 /* HT MCS0-15 */ 1209 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 + 1210 r->idx; 1211 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) { 1212 /* VHT MCS0-9, NSS */ 1213 if (ieee80211_rate_get_vht_nss(r) == 2) 1214 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 1215 else 1216 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 1217 1218 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r); 1219 } else { 1220 /* legacy */ 1221 txrate = ieee80211_get_tx_rate(hw, info); 1222 1223 if (txrate) 1224 hw_value = txrate->hw_value; 1225 } 1226 1227 /* check 5G band */ 1228 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G && 1229 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]) 1230 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]; 1231 1232 return hw_value; 1233 } 1234 1235 void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1236 struct ieee80211_tx_info *info, 1237 struct ieee80211_sta *sta, 1238 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1239 { 1240 #define SET_RATE_ID(rate_id) \ 1241 ({typeof(rate_id) _id = rate_id; \ 1242 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 1243 rtl_mrate_idx_to_arfr_id(hw, _id, \ 1244 (sta_entry ? sta_entry->wireless_mode : \ 1245 WIRELESS_MODE_G)) : \ 1246 _id); }) 1247 1248 struct rtl_priv *rtlpriv = rtl_priv(hw); 1249 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1250 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1251 struct rtl_sta_info *sta_entry = 1252 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL); 1253 1254 __le16 fc = rtl_get_fc(skb); 1255 1256 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info); 1257 1258 if (rtl_is_tx_report_skb(hw, skb)) 1259 tcb_desc->use_spe_rpt = 1; 1260 1261 if (ieee80211_is_data(fc)) { 1262 /* 1263 *we set data rate INX 0 1264 *in rtl_rc.c if skb is special data or 1265 *mgt which need low data rate. 1266 */ 1267 1268 /* 1269 *So tcb_desc->hw_rate is just used for 1270 *special data and mgt frames 1271 */ 1272 if (info->control.rates[0].idx == 0 || 1273 ieee80211_is_nullfunc(fc)) { 1274 tcb_desc->use_driver_rate = true; 1275 tcb_desc->ratr_index = 1276 SET_RATE_ID(RATR_INX_WIRELESS_MC); 1277 1278 tcb_desc->disable_ratefallback = 1; 1279 } else { 1280 /* 1281 *because hw will nerver use hw_rate 1282 *when tcb_desc->use_driver_rate = false 1283 *so we never set highest N rate here, 1284 *and N rate will all be controlled by FW 1285 *when tcb_desc->use_driver_rate = false 1286 */ 1287 if (sta && sta->vht_cap.vht_supported) { 1288 tcb_desc->hw_rate = 1289 _rtl_get_vht_highest_n_rate(hw, sta); 1290 } else { 1291 if (sta && sta->ht_cap.ht_supported) { 1292 tcb_desc->hw_rate = 1293 _rtl_get_highest_n_rate(hw, sta); 1294 } else { 1295 if (rtlmac->mode == WIRELESS_MODE_B) { 1296 tcb_desc->hw_rate = 1297 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1298 } else { 1299 tcb_desc->hw_rate = 1300 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1301 } 1302 } 1303 } 1304 } 1305 1306 if (is_multicast_ether_addr(hdr->addr1)) 1307 tcb_desc->multicast = 1; 1308 else if (is_broadcast_ether_addr(hdr->addr1)) 1309 tcb_desc->broadcast = 1; 1310 1311 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1312 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1313 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1314 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1315 _rtl_query_protection_mode(hw, tcb_desc, info); 1316 } else { 1317 tcb_desc->use_driver_rate = true; 1318 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 1319 tcb_desc->disable_ratefallback = 1; 1320 tcb_desc->mac_id = 0; 1321 tcb_desc->packet_bw = false; 1322 } 1323 #undef SET_RATE_ID 1324 } 1325 EXPORT_SYMBOL(rtl_get_tcb_desc); 1326 1327 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1328 { 1329 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1330 struct rtl_priv *rtlpriv = rtl_priv(hw); 1331 __le16 fc = rtl_get_fc(skb); 1332 1333 if (rtlpriv->dm.supp_phymode_switch && 1334 mac->link_state < MAC80211_LINKED && 1335 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { 1336 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1337 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1338 } 1339 if (ieee80211_is_auth(fc)) { 1340 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); 1341 1342 mac->link_state = MAC80211_LINKING; 1343 /* Dul mac */ 1344 rtlpriv->phy.need_iqk = true; 1345 1346 } 1347 1348 return true; 1349 } 1350 EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1351 1352 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1353 u8 *bssid, u16 tid); 1354 1355 static void process_agg_start(struct ieee80211_hw *hw, 1356 struct ieee80211_hdr *hdr, u16 tid) 1357 { 1358 struct rtl_priv *rtlpriv = rtl_priv(hw); 1359 struct ieee80211_rx_status rx_status = { 0 }; 1360 struct sk_buff *skb_delba = NULL; 1361 1362 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); 1363 if (skb_delba) { 1364 rx_status.freq = hw->conf.chandef.chan->center_freq; 1365 rx_status.band = hw->conf.chandef.chan->band; 1366 rx_status.flag |= RX_FLAG_DECRYPTED; 1367 rx_status.flag |= RX_FLAG_MACTIME_START; 1368 rx_status.rate_idx = 0; 1369 rx_status.signal = 50 + 10; 1370 memcpy(IEEE80211_SKB_RXCB(skb_delba), 1371 &rx_status, sizeof(rx_status)); 1372 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, 1373 "fake del\n", 1374 skb_delba->data, 1375 skb_delba->len); 1376 ieee80211_rx_irqsafe(hw, skb_delba); 1377 } 1378 } 1379 1380 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1381 { 1382 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1383 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1384 struct rtl_priv *rtlpriv = rtl_priv(hw); 1385 __le16 fc = rtl_get_fc(skb); 1386 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); 1387 u8 category; 1388 1389 if (!ieee80211_is_action(fc)) 1390 return true; 1391 1392 category = *act; 1393 act++; 1394 switch (category) { 1395 case ACT_CAT_BA: 1396 switch (*act) { 1397 case ACT_ADDBAREQ: 1398 if (mac->act_scanning) 1399 return false; 1400 1401 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1402 "%s ACT_ADDBAREQ From :%pM\n", 1403 is_tx ? "Tx" : "Rx", hdr->addr2); 1404 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", 1405 skb->data, skb->len); 1406 if (!is_tx) { 1407 struct ieee80211_sta *sta = NULL; 1408 struct rtl_sta_info *sta_entry = NULL; 1409 struct rtl_tid_data *tid_data; 1410 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1411 u16 capab = 0, tid = 0; 1412 1413 rcu_read_lock(); 1414 sta = rtl_find_sta(hw, hdr->addr3); 1415 if (sta == NULL) { 1416 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV, 1417 DBG_DMESG, "sta is NULL\n"); 1418 rcu_read_unlock(); 1419 return true; 1420 } 1421 1422 sta_entry = 1423 (struct rtl_sta_info *)sta->drv_priv; 1424 if (!sta_entry) { 1425 rcu_read_unlock(); 1426 return true; 1427 } 1428 capab = 1429 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1430 tid = (capab & 1431 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1432 if (tid >= MAX_TID_COUNT) { 1433 rcu_read_unlock(); 1434 return true; 1435 } 1436 tid_data = &sta_entry->tids[tid]; 1437 if (tid_data->agg.rx_agg_state == 1438 RTL_RX_AGG_START) 1439 process_agg_start(hw, hdr, tid); 1440 rcu_read_unlock(); 1441 } 1442 break; 1443 case ACT_ADDBARSP: 1444 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1445 "%s ACT_ADDBARSP From :%pM\n", 1446 is_tx ? "Tx" : "Rx", hdr->addr2); 1447 break; 1448 case ACT_DELBA: 1449 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1450 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1451 break; 1452 } 1453 break; 1454 default: 1455 break; 1456 } 1457 1458 return true; 1459 } 1460 EXPORT_SYMBOL_GPL(rtl_action_proc); 1461 1462 static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc, 1463 int type) 1464 { 1465 struct ieee80211_hw *hw = rtlpriv->hw; 1466 1467 rtlpriv->ra.is_special_data = true; 1468 if (rtlpriv->cfg->ops->get_btc_status()) 1469 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1470 rtlpriv, type); 1471 rtl_lps_leave(hw); 1472 ppsc->last_delaylps_stamp_jiffies = jiffies; 1473 } 1474 1475 static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw, 1476 struct sk_buff *skb, bool is_enc) 1477 { 1478 struct rtl_priv *rtlpriv = rtl_priv(hw); 1479 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1480 u8 encrypt_header_len = 0; 1481 u8 offset; 1482 1483 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1484 case WEP40_ENCRYPTION: 1485 case WEP104_ENCRYPTION: 1486 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1487 break; 1488 case TKIP_ENCRYPTION: 1489 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1490 break; 1491 case AESCCMP_ENCRYPTION: 1492 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1493 break; 1494 default: 1495 break; 1496 } 1497 1498 offset = mac_hdr_len + SNAP_SIZE; 1499 if (is_enc) 1500 offset += encrypt_header_len; 1501 1502 return skb->data + offset; 1503 } 1504 1505 /*should call before software enc*/ 1506 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, 1507 bool is_enc) 1508 { 1509 struct rtl_priv *rtlpriv = rtl_priv(hw); 1510 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1511 __le16 fc = rtl_get_fc(skb); 1512 u16 ether_type; 1513 const u8 *ether_type_ptr; 1514 const struct iphdr *ip; 1515 1516 if (!ieee80211_is_data(fc)) 1517 goto end; 1518 1519 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc); 1520 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1521 1522 if (ETH_P_IP == ether_type) { 1523 ip = (struct iphdr *)((u8 *)ether_type_ptr + 1524 PROTOC_TYPE_SIZE); 1525 if (IPPROTO_UDP == ip->protocol) { 1526 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1527 (ip->ihl << 2)); 1528 if (((((u8 *)udp)[1] == 68) && 1529 (((u8 *)udp)[3] == 67)) || 1530 ((((u8 *)udp)[1] == 67) && 1531 (((u8 *)udp)[3] == 68))) { 1532 /* 68 : UDP BOOTP client 1533 * 67 : UDP BOOTP server 1534 */ 1535 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), 1536 DBG_DMESG, "dhcp %s !!\n", 1537 (is_tx) ? "Tx" : "Rx"); 1538 1539 if (is_tx) 1540 setup_special_tx(rtlpriv, ppsc, 1541 PACKET_DHCP); 1542 1543 return true; 1544 } 1545 } 1546 } else if (ETH_P_ARP == ether_type) { 1547 if (is_tx) 1548 setup_special_tx(rtlpriv, ppsc, PACKET_ARP); 1549 1550 return true; 1551 } else if (ETH_P_PAE == ether_type) { 1552 /* EAPOL is seens as in-4way */ 1553 rtlpriv->btcoexist.btc_info.in_4way = true; 1554 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; 1555 1556 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1557 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1558 1559 if (is_tx) { 1560 rtlpriv->ra.is_special_data = true; 1561 rtl_lps_leave(hw); 1562 ppsc->last_delaylps_stamp_jiffies = jiffies; 1563 1564 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL); 1565 } 1566 1567 return true; 1568 } else if (ETH_P_IPV6 == ether_type) { 1569 /* TODO: Handle any IPv6 cases that need special handling. 1570 * For now, always return false 1571 */ 1572 goto end; 1573 } 1574 1575 end: 1576 rtlpriv->ra.is_special_data = false; 1577 return false; 1578 } 1579 EXPORT_SYMBOL_GPL(rtl_is_special_data); 1580 1581 void rtl_tx_ackqueue(struct ieee80211_hw *hw, struct sk_buff *skb) 1582 { 1583 struct rtl_priv *rtlpriv = rtl_priv(hw); 1584 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1585 1586 __skb_queue_tail(&tx_report->queue, skb); 1587 } 1588 EXPORT_SYMBOL_GPL(rtl_tx_ackqueue); 1589 1590 static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, 1591 bool ack) 1592 { 1593 struct rtl_priv *rtlpriv = rtl_priv(hw); 1594 struct ieee80211_tx_info *info; 1595 1596 info = IEEE80211_SKB_CB(skb); 1597 ieee80211_tx_info_clear_status(info); 1598 if (ack) { 1599 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_LOUD, 1600 "tx report: ack\n"); 1601 info->flags |= IEEE80211_TX_STAT_ACK; 1602 } else { 1603 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_LOUD, 1604 "tx report: not ack\n"); 1605 info->flags &= ~IEEE80211_TX_STAT_ACK; 1606 } 1607 ieee80211_tx_status_irqsafe(hw, skb); 1608 } 1609 1610 bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb) 1611 { 1612 u16 ether_type; 1613 const u8 *ether_type_ptr; 1614 __le16 fc = rtl_get_fc(skb); 1615 1616 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true); 1617 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1618 1619 if (ether_type == ETH_P_PAE || ieee80211_is_nullfunc(fc)) 1620 return true; 1621 1622 return false; 1623 } 1624 1625 static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw, 1626 struct rtlwifi_tx_info *tx_info) 1627 { 1628 struct rtl_priv *rtlpriv = rtl_priv(hw); 1629 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1630 u16 sn; 1631 1632 /* SW_DEFINE[11:8] are reserved (driver fills zeros) 1633 * SW_DEFINE[7:2] are used by driver 1634 * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros) 1635 */ 1636 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2; 1637 1638 tx_report->last_sent_sn = sn; 1639 tx_report->last_sent_time = jiffies; 1640 tx_info->sn = sn; 1641 tx_info->send_time = tx_report->last_sent_time; 1642 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1643 "Send TX-Report sn=0x%X\n", sn); 1644 1645 return sn; 1646 } 1647 1648 void rtl_set_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc, 1649 struct ieee80211_hw *hw, struct rtlwifi_tx_info *tx_info) 1650 { 1651 if (ptcb_desc->use_spe_rpt) { 1652 u16 sn = rtl_get_tx_report_sn(hw, tx_info); 1653 1654 SET_TX_DESC_SPE_RPT(pdesc, 1); 1655 SET_TX_DESC_SW_DEFINE(pdesc, sn); 1656 } 1657 } 1658 EXPORT_SYMBOL_GPL(rtl_set_tx_report); 1659 1660 void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) 1661 { 1662 struct rtl_priv *rtlpriv = rtl_priv(hw); 1663 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1664 struct rtlwifi_tx_info *tx_info; 1665 struct sk_buff_head *queue = &tx_report->queue; 1666 struct sk_buff *skb; 1667 u16 sn; 1668 u8 st, retry; 1669 1670 if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) { 1671 sn = GET_TX_REPORT_SN_V2(tmp_buf); 1672 st = GET_TX_REPORT_ST_V2(tmp_buf); 1673 retry = GET_TX_REPORT_RETRY_V2(tmp_buf); 1674 } else { 1675 sn = GET_TX_REPORT_SN_V1(tmp_buf); 1676 st = GET_TX_REPORT_ST_V1(tmp_buf); 1677 retry = GET_TX_REPORT_RETRY_V1(tmp_buf); 1678 } 1679 1680 tx_report->last_recv_sn = sn; 1681 1682 skb_queue_walk(queue, skb) { 1683 tx_info = rtl_tx_skb_cb_info(skb); 1684 if (tx_info->sn == sn) { 1685 skb_unlink(skb, queue); 1686 rtl_tx_status(hw, skb, st == 0); 1687 break; 1688 } 1689 } 1690 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1691 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", 1692 st, sn, retry); 1693 } 1694 EXPORT_SYMBOL_GPL(rtl_tx_report_handler); 1695 1696 bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) 1697 { 1698 struct rtl_priv *rtlpriv = rtl_priv(hw); 1699 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1700 1701 if (tx_report->last_sent_sn == tx_report->last_recv_sn) 1702 return true; 1703 1704 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { 1705 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING, 1706 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n", 1707 tx_report->last_sent_sn, tx_report->last_recv_sn); 1708 return true; /* 3 sec. (timeout) seen as acked */ 1709 } 1710 1711 return false; 1712 } 1713 1714 void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms) 1715 { 1716 struct rtl_priv *rtlpriv = rtl_priv(hw); 1717 int i; 1718 1719 for (i = 0; i < wait_ms; i++) { 1720 if (rtl_check_tx_report_acked(hw)) 1721 break; 1722 usleep_range(1000, 2000); 1723 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1724 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); 1725 } 1726 } 1727 1728 u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw, 1729 struct ieee80211_vif *vif, 1730 enum wireless_mode wirelessmode, 1731 struct ieee80211_tx_queue_params *param) 1732 { 1733 u32 reg = 0; 1734 u8 sifstime = 10; 1735 u8 slottime = 20; 1736 1737 /* AIFS = AIFSN * slot time + SIFS */ 1738 switch (wirelessmode) { 1739 case WIRELESS_MODE_A: 1740 case WIRELESS_MODE_N_24G: 1741 case WIRELESS_MODE_N_5G: 1742 case WIRELESS_MODE_AC_5G: 1743 case WIRELESS_MODE_AC_24G: 1744 sifstime = 16; 1745 slottime = 9; 1746 break; 1747 case WIRELESS_MODE_G: 1748 slottime = (vif->bss_conf.use_short_slot ? 9 : 20); 1749 break; 1750 default: 1751 break; 1752 } 1753 1754 reg |= (param->txop & 0x7FF) << 16; 1755 reg |= (fls(param->cw_max) & 0xF) << 12; 1756 reg |= (fls(param->cw_min) & 0xF) << 8; 1757 reg |= (param->aifs & 0x0F) * slottime + sifstime; 1758 1759 return reg; 1760 } 1761 EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param); 1762 1763 /********************************************************* 1764 * 1765 * functions called by core.c 1766 * 1767 *********************************************************/ 1768 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1769 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1770 { 1771 struct rtl_priv *rtlpriv = rtl_priv(hw); 1772 struct rtl_tid_data *tid_data; 1773 struct rtl_sta_info *sta_entry = NULL; 1774 1775 if (sta == NULL) 1776 return -EINVAL; 1777 1778 if (unlikely(tid >= MAX_TID_COUNT)) 1779 return -EINVAL; 1780 1781 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1782 if (!sta_entry) 1783 return -ENXIO; 1784 tid_data = &sta_entry->tids[tid]; 1785 1786 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1787 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1788 *ssn); 1789 1790 tid_data->agg.agg_state = RTL_AGG_START; 1791 1792 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1793 return 0; 1794 } 1795 1796 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1797 struct ieee80211_sta *sta, u16 tid) 1798 { 1799 struct rtl_priv *rtlpriv = rtl_priv(hw); 1800 struct rtl_sta_info *sta_entry = NULL; 1801 1802 if (sta == NULL) 1803 return -EINVAL; 1804 1805 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1806 "on ra = %pM tid = %d\n", sta->addr, tid); 1807 1808 if (unlikely(tid >= MAX_TID_COUNT)) 1809 return -EINVAL; 1810 1811 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1812 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1813 1814 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1815 return 0; 1816 } 1817 1818 int rtl_rx_agg_start(struct ieee80211_hw *hw, 1819 struct ieee80211_sta *sta, u16 tid) 1820 { 1821 struct rtl_priv *rtlpriv = rtl_priv(hw); 1822 struct rtl_tid_data *tid_data; 1823 struct rtl_sta_info *sta_entry = NULL; 1824 u8 reject_agg; 1825 1826 if (sta == NULL) 1827 return -EINVAL; 1828 1829 if (unlikely(tid >= MAX_TID_COUNT)) 1830 return -EINVAL; 1831 1832 if (rtlpriv->cfg->ops->get_btc_status()) { 1833 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv, 1834 &reject_agg, 1835 NULL, NULL); 1836 if (reject_agg) 1837 return -EINVAL; 1838 } 1839 1840 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1841 if (!sta_entry) 1842 return -ENXIO; 1843 tid_data = &sta_entry->tids[tid]; 1844 1845 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, 1846 "on ra = %pM tid = %d\n", sta->addr, tid); 1847 1848 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1849 return 0; 1850 } 1851 1852 int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1853 struct ieee80211_sta *sta, u16 tid) 1854 { 1855 struct rtl_priv *rtlpriv = rtl_priv(hw); 1856 struct rtl_sta_info *sta_entry = NULL; 1857 1858 if (sta == NULL) 1859 return -EINVAL; 1860 1861 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1862 "on ra = %pM tid = %d\n", sta->addr, tid); 1863 1864 if (unlikely(tid >= MAX_TID_COUNT)) 1865 return -EINVAL; 1866 1867 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1868 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1869 1870 return 0; 1871 } 1872 int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1873 struct ieee80211_sta *sta, u16 tid) 1874 { 1875 struct rtl_priv *rtlpriv = rtl_priv(hw); 1876 struct rtl_sta_info *sta_entry = NULL; 1877 1878 if (sta == NULL) 1879 return -EINVAL; 1880 1881 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1882 "on ra = %pM tid = %d\n", sta->addr, tid); 1883 1884 if (unlikely(tid >= MAX_TID_COUNT)) 1885 return -EINVAL; 1886 1887 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1888 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1889 1890 return 0; 1891 } 1892 1893 void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) 1894 { 1895 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 1896 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0; 1897 1898 if (rtlpriv->cfg->ops->get_btc_status()) 1899 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, 1900 &ctrl_agg_size, &agg_size); 1901 1902 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, 1903 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", 1904 reject_agg, ctrl_agg_size, agg_size); 1905 1906 rtlpriv->hw->max_rx_aggregation_subframes = 1907 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF); 1908 } 1909 EXPORT_SYMBOL(rtl_rx_ampdu_apply); 1910 1911 /********************************************************* 1912 * 1913 * wq & timer callback functions 1914 * 1915 *********************************************************/ 1916 /* this function is used for roaming */ 1917 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1918 { 1919 struct rtl_priv *rtlpriv = rtl_priv(hw); 1920 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1921 1922 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1923 return; 1924 1925 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1926 return; 1927 1928 /* check if this really is a beacon */ 1929 if (!ieee80211_is_beacon(hdr->frame_control) && 1930 !ieee80211_is_probe_resp(hdr->frame_control)) 1931 return; 1932 1933 /* min. beacon length + FCS_LEN */ 1934 if (skb->len <= 40 + FCS_LEN) 1935 return; 1936 1937 /* and only beacons from the associated BSSID, please */ 1938 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1939 return; 1940 1941 rtlpriv->link_info.bcn_rx_inperiod++; 1942 } 1943 EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1944 1945 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw) 1946 { 1947 struct rtl_priv *rtlpriv = rtl_priv(hw); 1948 struct rtl_bssid_entry *entry, *next; 1949 1950 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1951 list_del(&entry->list); 1952 kfree(entry); 1953 rtlpriv->scan_list.num--; 1954 } 1955 } 1956 1957 static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw, 1958 bool chk_timeout) 1959 { 1960 struct rtl_priv *rtlpriv = rtl_priv(hw); 1961 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1962 struct sk_buff_head *queue = &tx_report->queue; 1963 struct sk_buff *skb, *tmp; 1964 struct rtlwifi_tx_info *tx_info; 1965 1966 skb_queue_walk_safe(queue, skb, tmp) { 1967 tx_info = rtl_tx_skb_cb_info(skb); 1968 if (chk_timeout && 1969 time_after(tx_info->send_time + HZ, jiffies)) 1970 continue; 1971 skb_unlink(skb, queue); 1972 rtl_tx_status(hw, skb, false); 1973 } 1974 } 1975 1976 void rtl_scan_list_expire(struct ieee80211_hw *hw) 1977 { 1978 struct rtl_priv *rtlpriv = rtl_priv(hw); 1979 struct rtl_bssid_entry *entry, *next; 1980 unsigned long flags; 1981 1982 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 1983 1984 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1985 /* 180 seconds */ 1986 if (jiffies_to_msecs(jiffies - entry->age) < 180000) 1987 continue; 1988 1989 list_del(&entry->list); 1990 rtlpriv->scan_list.num--; 1991 1992 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 1993 "BSSID=%pM is expire in scan list (total=%d)\n", 1994 entry->bssid, rtlpriv->scan_list.num); 1995 kfree(entry); 1996 } 1997 1998 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 1999 2000 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 2001 } 2002 2003 void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) 2004 { 2005 struct rtl_priv *rtlpriv = rtl_priv(hw); 2006 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 2007 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2008 unsigned long flags; 2009 2010 struct rtl_bssid_entry *entry; 2011 bool entry_found = false; 2012 2013 /* check if it is scanning */ 2014 if (!mac->act_scanning) 2015 return; 2016 2017 /* check if this really is a beacon */ 2018 if (!ieee80211_is_beacon(hdr->frame_control) && 2019 !ieee80211_is_probe_resp(hdr->frame_control)) 2020 return; 2021 2022 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 2023 2024 list_for_each_entry(entry, &rtlpriv->scan_list.list, list) { 2025 if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) { 2026 list_del_init(&entry->list); 2027 entry_found = true; 2028 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 2029 "Update BSSID=%pM to scan list (total=%d)\n", 2030 hdr->addr3, rtlpriv->scan_list.num); 2031 break; 2032 } 2033 } 2034 2035 if (!entry_found) { 2036 entry = kmalloc(sizeof(*entry), GFP_ATOMIC); 2037 2038 if (!entry) 2039 goto label_err; 2040 2041 memcpy(entry->bssid, hdr->addr3, ETH_ALEN); 2042 rtlpriv->scan_list.num++; 2043 2044 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 2045 "Add BSSID=%pM to scan list (total=%d)\n", 2046 hdr->addr3, rtlpriv->scan_list.num); 2047 } 2048 2049 entry->age = jiffies; 2050 2051 list_add_tail(&entry->list, &rtlpriv->scan_list.list); 2052 2053 label_err: 2054 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 2055 } 2056 EXPORT_SYMBOL(rtl_collect_scan_list); 2057 2058 void rtl_watchdog_wq_callback(void *data) 2059 { 2060 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 2061 struct rtl_works, 2062 watchdog_wq); 2063 struct ieee80211_hw *hw = rtlworks->hw; 2064 struct rtl_priv *rtlpriv = rtl_priv(hw); 2065 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2066 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2067 bool busytraffic = false; 2068 bool tx_busy_traffic = false; 2069 bool rx_busy_traffic = false; 2070 bool higher_busytraffic = false; 2071 bool higher_busyrxtraffic = false; 2072 u8 idx, tid; 2073 u32 rx_cnt_inp4eriod = 0; 2074 u32 tx_cnt_inp4eriod = 0; 2075 u32 aver_rx_cnt_inperiod = 0; 2076 u32 aver_tx_cnt_inperiod = 0; 2077 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 2078 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 2079 2080 if (is_hal_stop(rtlhal)) 2081 return; 2082 2083 /* <1> Determine if action frame is allowed */ 2084 if (mac->link_state > MAC80211_NOLINK) { 2085 if (mac->cnt_after_linked < 20) 2086 mac->cnt_after_linked++; 2087 } else { 2088 mac->cnt_after_linked = 0; 2089 } 2090 2091 /* <2> to check if traffic busy, if 2092 * busytraffic we don't change channel 2093 */ 2094 if (mac->link_state >= MAC80211_LINKED) { 2095 2096 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 2097 for (idx = 0; idx <= 2; idx++) { 2098 rtlpriv->link_info.num_rx_in4period[idx] = 2099 rtlpriv->link_info.num_rx_in4period[idx + 1]; 2100 rtlpriv->link_info.num_tx_in4period[idx] = 2101 rtlpriv->link_info.num_tx_in4period[idx + 1]; 2102 } 2103 rtlpriv->link_info.num_rx_in4period[3] = 2104 rtlpriv->link_info.num_rx_inperiod; 2105 rtlpriv->link_info.num_tx_in4period[3] = 2106 rtlpriv->link_info.num_tx_inperiod; 2107 for (idx = 0; idx <= 3; idx++) { 2108 rx_cnt_inp4eriod += 2109 rtlpriv->link_info.num_rx_in4period[idx]; 2110 tx_cnt_inp4eriod += 2111 rtlpriv->link_info.num_tx_in4period[idx]; 2112 } 2113 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 2114 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 2115 2116 /* (2) check traffic busy */ 2117 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 2118 busytraffic = true; 2119 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 2120 rx_busy_traffic = true; 2121 else 2122 tx_busy_traffic = false; 2123 } 2124 2125 /* Higher Tx/Rx data. */ 2126 if (aver_rx_cnt_inperiod > 4000 || 2127 aver_tx_cnt_inperiod > 4000) { 2128 higher_busytraffic = true; 2129 2130 /* Extremely high Rx data. */ 2131 if (aver_rx_cnt_inperiod > 5000) 2132 higher_busyrxtraffic = true; 2133 } 2134 2135 /* check every tid's tx traffic */ 2136 for (tid = 0; tid <= 7; tid++) { 2137 for (idx = 0; idx <= 2; idx++) 2138 rtlpriv->link_info.tidtx_in4period[tid][idx] = 2139 rtlpriv->link_info.tidtx_in4period[tid] 2140 [idx + 1]; 2141 rtlpriv->link_info.tidtx_in4period[tid][3] = 2142 rtlpriv->link_info.tidtx_inperiod[tid]; 2143 2144 for (idx = 0; idx <= 3; idx++) 2145 tidtx_inp4eriod[tid] += 2146 rtlpriv->link_info.tidtx_in4period[tid][idx]; 2147 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 2148 if (aver_tidtx_inperiod[tid] > 5000) 2149 rtlpriv->link_info.higher_busytxtraffic[tid] = 2150 true; 2151 else 2152 rtlpriv->link_info.higher_busytxtraffic[tid] = 2153 false; 2154 } 2155 2156 /* PS is controlled by coex. */ 2157 if (rtlpriv->cfg->ops->get_btc_status() && 2158 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv)) 2159 goto label_lps_done; 2160 2161 if (rtlpriv->link_info.num_rx_inperiod + 2162 rtlpriv->link_info.num_tx_inperiod > 8 || 2163 rtlpriv->link_info.num_rx_inperiod > 2) 2164 rtl_lps_leave(hw); 2165 else 2166 rtl_lps_enter(hw); 2167 2168 label_lps_done: 2169 ; 2170 } 2171 2172 rtlpriv->link_info.num_rx_inperiod = 0; 2173 rtlpriv->link_info.num_tx_inperiod = 0; 2174 for (tid = 0; tid <= 7; tid++) 2175 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 2176 2177 rtlpriv->link_info.busytraffic = busytraffic; 2178 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 2179 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 2180 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 2181 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 2182 2183 rtlpriv->stats.txbytesunicast_inperiod = 2184 rtlpriv->stats.txbytesunicast - 2185 rtlpriv->stats.txbytesunicast_last; 2186 rtlpriv->stats.rxbytesunicast_inperiod = 2187 rtlpriv->stats.rxbytesunicast - 2188 rtlpriv->stats.rxbytesunicast_last; 2189 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast; 2190 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast; 2191 2192 rtlpriv->stats.txbytesunicast_inperiod_tp = 2193 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 / 2194 1024 / 1024); 2195 rtlpriv->stats.rxbytesunicast_inperiod_tp = 2196 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 / 2197 1024 / 1024); 2198 2199 /* <3> DM */ 2200 if (!rtlpriv->cfg->mod_params->disable_watchdog) 2201 rtlpriv->cfg->ops->dm_watchdog(hw); 2202 2203 /* <4> roaming */ 2204 if (mac->link_state == MAC80211_LINKED && 2205 mac->opmode == NL80211_IFTYPE_STATION) { 2206 if ((rtlpriv->link_info.bcn_rx_inperiod + 2207 rtlpriv->link_info.num_rx_inperiod) == 0) { 2208 rtlpriv->link_info.roam_times++; 2209 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 2210 "AP off for %d s\n", 2211 (rtlpriv->link_info.roam_times * 2)); 2212 2213 /* if we can't recv beacon for 10s, 2214 * we should reconnect this AP 2215 */ 2216 if (rtlpriv->link_info.roam_times >= 5) { 2217 pr_err("AP off, try to reconnect now\n"); 2218 rtlpriv->link_info.roam_times = 0; 2219 ieee80211_connection_loss( 2220 rtlpriv->mac80211.vif); 2221 } 2222 } else { 2223 rtlpriv->link_info.roam_times = 0; 2224 } 2225 } 2226 2227 if (rtlpriv->cfg->ops->get_btc_status()) 2228 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 2229 2230 if (rtlpriv->btcoexist.btc_info.in_4way) { 2231 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts + 2232 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME))) 2233 rtlpriv->btcoexist.btc_info.in_4way = false; 2234 } 2235 2236 rtlpriv->link_info.bcn_rx_inperiod = 0; 2237 2238 /* <6> scan list */ 2239 rtl_scan_list_expire(hw); 2240 2241 /* <7> check ack queue */ 2242 rtl_free_entries_from_ack_queue(hw, true); 2243 } 2244 2245 void rtl_watch_dog_timer_callback(struct timer_list *t) 2246 { 2247 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer); 2248 2249 queue_delayed_work(rtlpriv->works.rtl_wq, 2250 &rtlpriv->works.watchdog_wq, 0); 2251 2252 mod_timer(&rtlpriv->works.watchdog_timer, 2253 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 2254 } 2255 void rtl_fwevt_wq_callback(void *data) 2256 { 2257 struct rtl_works *rtlworks = 2258 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); 2259 struct ieee80211_hw *hw = rtlworks->hw; 2260 struct rtl_priv *rtlpriv = rtl_priv(hw); 2261 2262 rtlpriv->cfg->ops->c2h_command_handle(hw); 2263 } 2264 2265 static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, 2266 struct sk_buff *skb); 2267 2268 static bool rtl_c2h_fast_cmd(struct ieee80211_hw *hw, struct sk_buff *skb) 2269 { 2270 u8 cmd_id = GET_C2H_CMD_ID(skb->data); 2271 2272 switch (cmd_id) { 2273 case C2H_BT_MP: 2274 return true; 2275 default: 2276 break; 2277 } 2278 2279 return false; 2280 } 2281 2282 void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb) 2283 { 2284 struct rtl_priv *rtlpriv = rtl_priv(hw); 2285 unsigned long flags; 2286 2287 if (rtl_c2h_fast_cmd(hw, skb)) { 2288 rtl_c2h_content_parsing(hw, skb); 2289 return; 2290 } 2291 2292 /* enqueue */ 2293 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags); 2294 2295 __skb_queue_tail(&rtlpriv->c2hcmd_queue, skb); 2296 2297 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags); 2298 2299 /* wake up wq */ 2300 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0); 2301 } 2302 EXPORT_SYMBOL(rtl_c2hcmd_enqueue); 2303 2304 static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, 2305 struct sk_buff *skb) 2306 { 2307 struct rtl_priv *rtlpriv = rtl_priv(hw); 2308 struct rtl_hal_ops *hal_ops = rtlpriv->cfg->ops; 2309 const struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 2310 u8 cmd_id, cmd_seq, cmd_len; 2311 u8 *cmd_buf = NULL; 2312 2313 cmd_id = GET_C2H_CMD_ID(skb->data); 2314 cmd_seq = GET_C2H_SEQ(skb->data); 2315 cmd_len = skb->len - C2H_DATA_OFFSET; 2316 cmd_buf = GET_C2H_DATA_PTR(skb->data); 2317 2318 switch (cmd_id) { 2319 case C2H_DBG: 2320 RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n"); 2321 break; 2322 case C2H_TXBF: 2323 RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, 2324 "[C2H], C2H_TXBF!!\n"); 2325 break; 2326 case C2H_TX_REPORT: 2327 rtl_tx_report_handler(hw, cmd_buf, cmd_len); 2328 break; 2329 case C2H_RA_RPT: 2330 if (hal_ops->c2h_ra_report_handler) 2331 hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len); 2332 break; 2333 case C2H_BT_INFO: 2334 RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, 2335 "[C2H], C2H_BT_INFO!!\n"); 2336 if (rtlpriv->cfg->ops->get_btc_status()) 2337 btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len); 2338 break; 2339 case C2H_BT_MP: 2340 RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, 2341 "[C2H], C2H_BT_MP!!\n"); 2342 if (rtlpriv->cfg->ops->get_btc_status()) 2343 btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len); 2344 break; 2345 default: 2346 RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, 2347 "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id); 2348 break; 2349 } 2350 } 2351 2352 void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec) 2353 { 2354 struct rtl_priv *rtlpriv = rtl_priv(hw); 2355 struct sk_buff *skb; 2356 unsigned long flags; 2357 int i; 2358 2359 for (i = 0; i < 200; i++) { 2360 /* dequeue a task */ 2361 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags); 2362 2363 skb = __skb_dequeue(&rtlpriv->c2hcmd_queue); 2364 2365 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags); 2366 2367 /* do it */ 2368 if (!skb) 2369 break; 2370 2371 RT_TRACE(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n", 2372 *((u8 *)skb->cb)); 2373 RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG, 2374 "C2H data: ", skb->data, skb->len); 2375 2376 if (exec) 2377 rtl_c2h_content_parsing(hw, skb); 2378 2379 /* free */ 2380 dev_kfree_skb_any(skb); 2381 } 2382 } 2383 2384 void rtl_c2hcmd_wq_callback(void *data) 2385 { 2386 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 2387 struct rtl_works, 2388 c2hcmd_wq); 2389 struct ieee80211_hw *hw = rtlworks->hw; 2390 2391 rtl_c2hcmd_launcher(hw, 1); 2392 } 2393 2394 void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t) 2395 { 2396 struct rtl_priv *rtlpriv = 2397 from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer); 2398 struct ieee80211_hw *hw = rtlpriv->hw; 2399 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; 2400 2401 if (buddy_priv == NULL) 2402 return; 2403 2404 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); 2405 } 2406 /********************************************************* 2407 * 2408 * frame process functions 2409 * 2410 *********************************************************/ 2411 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 2412 { 2413 struct ieee80211_mgmt *mgmt = (void *)data; 2414 u8 *pos, *end; 2415 2416 pos = (u8 *)mgmt->u.beacon.variable; 2417 end = data + len; 2418 while (pos < end) { 2419 if (pos + 2 + pos[1] > end) 2420 return NULL; 2421 2422 if (pos[0] == ie) 2423 return pos; 2424 2425 pos += 2 + pos[1]; 2426 } 2427 return NULL; 2428 } 2429 2430 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 2431 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 2432 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 2433 enum ieee80211_smps_mode smps, 2434 u8 *da, u8 *bssid) 2435 { 2436 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2437 struct sk_buff *skb; 2438 struct ieee80211_mgmt *action_frame; 2439 2440 /* 27 = header + category + action + smps mode */ 2441 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 2442 if (!skb) 2443 return NULL; 2444 2445 skb_reserve(skb, hw->extra_tx_headroom); 2446 action_frame = skb_put_zero(skb, 27); 2447 memcpy(action_frame->da, da, ETH_ALEN); 2448 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 2449 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2450 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2451 IEEE80211_STYPE_ACTION); 2452 action_frame->u.action.category = WLAN_CATEGORY_HT; 2453 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 2454 switch (smps) { 2455 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 2456 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 2457 WARN_ON(1); 2458 /* fall through */ 2459 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 2460 action_frame->u.action.u.ht_smps.smps_control = 2461 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 2462 break; 2463 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 2464 action_frame->u.action.u.ht_smps.smps_control = 2465 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 2466 break; 2467 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 2468 action_frame->u.action.u.ht_smps.smps_control = 2469 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 2470 break; 2471 } 2472 2473 return skb; 2474 } 2475 2476 int rtl_send_smps_action(struct ieee80211_hw *hw, 2477 struct ieee80211_sta *sta, 2478 enum ieee80211_smps_mode smps) 2479 { 2480 struct rtl_priv *rtlpriv = rtl_priv(hw); 2481 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2482 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 2483 struct sk_buff *skb = NULL; 2484 struct rtl_tcb_desc tcb_desc; 2485 u8 bssid[ETH_ALEN] = {0}; 2486 2487 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 2488 2489 if (rtlpriv->mac80211.act_scanning) 2490 goto err_free; 2491 2492 if (!sta) 2493 goto err_free; 2494 2495 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 2496 goto err_free; 2497 2498 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 2499 goto err_free; 2500 2501 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 2502 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 2503 else 2504 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 2505 2506 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 2507 /* this is a type = mgmt * stype = action frame */ 2508 if (skb) { 2509 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 2510 struct rtl_sta_info *sta_entry = 2511 (struct rtl_sta_info *) sta->drv_priv; 2512 sta_entry->mimo_ps = smps; 2513 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */ 2514 2515 info->control.rates[0].idx = 0; 2516 info->band = hw->conf.chandef.chan->band; 2517 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 2518 } 2519 return 1; 2520 2521 err_free: 2522 return 0; 2523 } 2524 EXPORT_SYMBOL(rtl_send_smps_action); 2525 2526 void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 2527 { 2528 struct rtl_priv *rtlpriv = rtl_priv(hw); 2529 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2530 enum io_type iotype; 2531 2532 if (!is_hal_stop(rtlhal)) { 2533 switch (operation) { 2534 case SCAN_OPT_BACKUP: 2535 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 2536 rtlpriv->cfg->ops->set_hw_reg(hw, 2537 HW_VAR_IO_CMD, 2538 (u8 *)&iotype); 2539 break; 2540 case SCAN_OPT_RESTORE: 2541 iotype = IO_CMD_RESUME_DM_BY_SCAN; 2542 rtlpriv->cfg->ops->set_hw_reg(hw, 2543 HW_VAR_IO_CMD, 2544 (u8 *)&iotype); 2545 break; 2546 default: 2547 pr_err("Unknown Scan Backup operation.\n"); 2548 break; 2549 } 2550 } 2551 } 2552 EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 2553 2554 /* because mac80211 have issues when can receive del ba 2555 * so here we just make a fake del_ba if we receive a ba_req 2556 * but rx_agg was opened to let mac80211 release some ba 2557 * related resources, so please this del_ba for tx 2558 */ 2559 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 2560 u8 *sa, u8 *bssid, u16 tid) 2561 { 2562 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2563 struct sk_buff *skb; 2564 struct ieee80211_mgmt *action_frame; 2565 u16 params; 2566 2567 /* 27 = header + category + action + smps mode */ 2568 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 2569 if (!skb) 2570 return NULL; 2571 2572 skb_reserve(skb, hw->extra_tx_headroom); 2573 action_frame = skb_put_zero(skb, 34); 2574 memcpy(action_frame->sa, sa, ETH_ALEN); 2575 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 2576 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2577 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2578 IEEE80211_STYPE_ACTION); 2579 action_frame->u.action.category = WLAN_CATEGORY_BACK; 2580 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 2581 params = (u16)(1 << 11); /* bit 11 initiator */ 2582 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 2583 2584 action_frame->u.action.u.delba.params = cpu_to_le16(params); 2585 action_frame->u.action.u.delba.reason_code = 2586 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 2587 2588 return skb; 2589 } 2590 2591 /********************************************************* 2592 * 2593 * IOT functions 2594 * 2595 *********************************************************/ 2596 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 2597 struct octet_string vendor_ie) 2598 { 2599 struct rtl_priv *rtlpriv = rtl_priv(hw); 2600 bool matched = false; 2601 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 2602 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 2603 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 2604 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 2605 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 2606 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 2607 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 2608 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 2609 2610 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 2611 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 2612 rtlpriv->mac80211.vendor = PEER_ATH; 2613 matched = true; 2614 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 2615 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 2616 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 2617 rtlpriv->mac80211.vendor = PEER_BROAD; 2618 matched = true; 2619 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 2620 rtlpriv->mac80211.vendor = PEER_RAL; 2621 matched = true; 2622 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 2623 rtlpriv->mac80211.vendor = PEER_CISCO; 2624 matched = true; 2625 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 2626 rtlpriv->mac80211.vendor = PEER_MARV; 2627 matched = true; 2628 } 2629 2630 return matched; 2631 } 2632 2633 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 2634 unsigned int len) 2635 { 2636 struct ieee80211_mgmt *mgmt = (void *)data; 2637 struct octet_string vendor_ie; 2638 u8 *pos, *end; 2639 2640 pos = (u8 *)mgmt->u.beacon.variable; 2641 end = data + len; 2642 while (pos < end) { 2643 if (pos[0] == 221) { 2644 vendor_ie.length = pos[1]; 2645 vendor_ie.octet = &pos[2]; 2646 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 2647 return true; 2648 } 2649 2650 if (pos + 2 + pos[1] > end) 2651 return false; 2652 2653 pos += 2 + pos[1]; 2654 } 2655 return false; 2656 } 2657 2658 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 2659 { 2660 struct rtl_priv *rtlpriv = rtl_priv(hw); 2661 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2662 struct ieee80211_hdr *hdr = (void *)data; 2663 u32 vendor = PEER_UNKNOWN; 2664 2665 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 2666 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 2667 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 2668 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 2669 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 2670 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 2671 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 2672 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 2673 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 2674 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 2675 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 2676 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 2677 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 2678 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 2679 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 2680 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 2681 2682 if (mac->opmode != NL80211_IFTYPE_STATION) 2683 return; 2684 2685 if (mac->link_state == MAC80211_NOLINK) { 2686 mac->vendor = PEER_UNKNOWN; 2687 return; 2688 } 2689 2690 if (mac->cnt_after_linked > 2) 2691 return; 2692 2693 /* check if this really is a beacon */ 2694 if (!ieee80211_is_beacon(hdr->frame_control)) 2695 return; 2696 2697 /* min. beacon length + FCS_LEN */ 2698 if (len <= 40 + FCS_LEN) 2699 return; 2700 2701 /* and only beacons from the associated BSSID, please */ 2702 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 2703 return; 2704 2705 if (rtl_find_221_ie(hw, data, len)) 2706 vendor = mac->vendor; 2707 2708 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 2709 (memcmp(mac->bssid, ap5_2, 3) == 0) || 2710 (memcmp(mac->bssid, ap5_3, 3) == 0) || 2711 (memcmp(mac->bssid, ap5_4, 3) == 0) || 2712 (memcmp(mac->bssid, ap5_5, 3) == 0) || 2713 (memcmp(mac->bssid, ap5_6, 3) == 0) || 2714 vendor == PEER_ATH) { 2715 vendor = PEER_ATH; 2716 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 2717 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 2718 (memcmp(mac->bssid, ap4_5, 3) == 0) || 2719 (memcmp(mac->bssid, ap4_1, 3) == 0) || 2720 (memcmp(mac->bssid, ap4_2, 3) == 0) || 2721 (memcmp(mac->bssid, ap4_3, 3) == 0) || 2722 vendor == PEER_RAL) { 2723 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 2724 vendor = PEER_RAL; 2725 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 2726 vendor == PEER_CISCO) { 2727 vendor = PEER_CISCO; 2728 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 2729 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 2730 (memcmp(mac->bssid, ap3_2, 3) == 0) || 2731 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2732 vendor == PEER_BROAD) { 2733 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2734 vendor = PEER_BROAD; 2735 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2736 vendor == PEER_MARV) { 2737 vendor = PEER_MARV; 2738 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2739 } 2740 2741 mac->vendor = vendor; 2742 } 2743 EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2744 2745 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2746 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2747 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2748 MODULE_LICENSE("GPL"); 2749 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2750 2751 struct rtl_global_var rtl_global_var = {}; 2752 EXPORT_SYMBOL_GPL(rtl_global_var); 2753 2754 static int __init rtl_core_module_init(void) 2755 { 2756 BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION); 2757 BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION); 2758 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION); 2759 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1)); 2760 2761 if (rtl_rate_control_register()) 2762 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2763 2764 /* add debugfs */ 2765 rtl_debugfs_add_topdir(); 2766 2767 /* init some global vars */ 2768 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); 2769 spin_lock_init(&rtl_global_var.glb_list_lock); 2770 2771 return 0; 2772 } 2773 2774 static void __exit rtl_core_module_exit(void) 2775 { 2776 /*RC*/ 2777 rtl_rate_control_unregister(); 2778 2779 /* remove debugfs */ 2780 rtl_debugfs_remove_topdir(); 2781 } 2782 2783 module_init(rtl_core_module_init); 2784 module_exit(rtl_core_module_exit); 2785