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 (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) { 248 u16 mcs_map; 249 250 vht_cap->vht_supported = true; 251 vht_cap->cap = 252 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 | 253 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | 254 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 255 IEEE80211_VHT_CAP_SHORT_GI_80 | 256 IEEE80211_VHT_CAP_TXSTBC | 257 IEEE80211_VHT_CAP_RXSTBC_1 | 258 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 259 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 260 IEEE80211_VHT_CAP_HTC_VHT | 261 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 262 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 263 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 264 0; 265 266 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 267 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | 268 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 269 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 270 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 271 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 272 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 273 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 274 275 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 276 vht_cap->vht_mcs.rx_highest = 277 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 278 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 279 vht_cap->vht_mcs.tx_highest = 280 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 281 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) { 282 u16 mcs_map; 283 284 vht_cap->vht_supported = true; 285 vht_cap->cap = 286 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 | 287 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | 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, CONNECTION_MONITOR); 400 ieee80211_hw_set(hw, MFP_CAPABLE); 401 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 402 403 /* swlps or hwlps has been set in diff chip in init_sw_vars */ 404 if (rtlpriv->psc.swctrl_lps) { 405 ieee80211_hw_set(hw, SUPPORTS_PS); 406 ieee80211_hw_set(hw, PS_NULLFUNC_STACK); 407 } 408 if (rtlpriv->psc.fwctrl_lps) { 409 ieee80211_hw_set(hw, SUPPORTS_PS); 410 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 411 } 412 hw->wiphy->interface_modes = 413 BIT(NL80211_IFTYPE_AP) | 414 BIT(NL80211_IFTYPE_STATION) | 415 BIT(NL80211_IFTYPE_ADHOC) | 416 BIT(NL80211_IFTYPE_MESH_POINT) | 417 BIT(NL80211_IFTYPE_P2P_CLIENT) | 418 BIT(NL80211_IFTYPE_P2P_GO); 419 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 420 421 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 422 423 hw->wiphy->rts_threshold = 2347; 424 425 hw->queues = AC_MAX; 426 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; 427 428 /* TODO: Correct this value for our hw */ 429 hw->max_listen_interval = MAX_LISTEN_INTERVAL; 430 hw->max_rate_tries = MAX_RATE_TRIES; 431 /* hw->max_rates = 1; */ 432 hw->sta_data_size = sizeof(struct rtl_sta_info); 433 434 /* wowlan is not supported by kernel if CONFIG_PM is not defined */ 435 #ifdef CONFIG_PM 436 if (rtlpriv->psc.wo_wlan_mode) { 437 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET) 438 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT; 439 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) { 440 rtlpriv->wowlan.n_patterns = 441 MAX_SUPPORT_WOL_PATTERN_NUM; 442 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE; 443 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE; 444 } 445 hw->wiphy->wowlan = &rtlpriv->wowlan; 446 } 447 #endif 448 449 /* <6> mac address */ 450 if (is_valid_ether_addr(rtlefuse->dev_addr)) { 451 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); 452 } else { 453 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; 454 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1); 455 SET_IEEE80211_PERM_ADDR(hw, rtlmac1); 456 } 457 } 458 459 static void _rtl_init_deferred_work(struct ieee80211_hw *hw) 460 { 461 struct rtl_priv *rtlpriv = rtl_priv(hw); 462 463 /* <1> timer */ 464 setup_timer(&rtlpriv->works.watchdog_timer, 465 rtl_watch_dog_timer_callback, (unsigned long)hw); 466 setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, 467 rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw); 468 /* <2> work queue */ 469 rtlpriv->works.hw = hw; 470 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); 471 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, 472 (void *)rtl_watchdog_wq_callback); 473 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, 474 (void *)rtl_ips_nic_off_wq_callback); 475 INIT_DELAYED_WORK(&rtlpriv->works.ps_work, 476 (void *)rtl_swlps_wq_callback); 477 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, 478 (void *)rtl_swlps_rfon_wq_callback); 479 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, 480 (void *)rtl_fwevt_wq_callback); 481 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, 482 (void *)rtl_c2hcmd_wq_callback); 483 484 } 485 486 void rtl_deinit_deferred_work(struct ieee80211_hw *hw) 487 { 488 struct rtl_priv *rtlpriv = rtl_priv(hw); 489 490 del_timer_sync(&rtlpriv->works.watchdog_timer); 491 492 cancel_delayed_work(&rtlpriv->works.watchdog_wq); 493 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); 494 cancel_delayed_work(&rtlpriv->works.ps_work); 495 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 496 cancel_delayed_work(&rtlpriv->works.fwevt_wq); 497 cancel_delayed_work(&rtlpriv->works.c2hcmd_wq); 498 } 499 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); 500 501 void rtl_init_rfkill(struct ieee80211_hw *hw) 502 { 503 struct rtl_priv *rtlpriv = rtl_priv(hw); 504 505 bool radio_state; 506 bool blocked; 507 u8 valid = 0; 508 509 /*set init state to on */ 510 rtlpriv->rfkill.rfkill_state = true; 511 wiphy_rfkill_set_hw_state(hw->wiphy, 0); 512 513 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 514 515 if (valid) { 516 pr_info("rtlwifi: wireless switch is %s\n", 517 rtlpriv->rfkill.rfkill_state ? "on" : "off"); 518 519 rtlpriv->rfkill.rfkill_state = radio_state; 520 521 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; 522 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 523 } 524 525 wiphy_rfkill_start_polling(hw->wiphy); 526 } 527 EXPORT_SYMBOL(rtl_init_rfkill); 528 529 void rtl_deinit_rfkill(struct ieee80211_hw *hw) 530 { 531 wiphy_rfkill_stop_polling(hw->wiphy); 532 } 533 EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); 534 535 int rtl_init_core(struct ieee80211_hw *hw) 536 { 537 struct rtl_priv *rtlpriv = rtl_priv(hw); 538 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 539 540 /* <1> init mac80211 */ 541 _rtl_init_mac80211(hw); 542 rtlmac->hw = hw; 543 544 /* <2> rate control register */ 545 hw->rate_control_algorithm = "rtl_rc"; 546 547 /* 548 * <3> init CRDA must come after init 549 * mac80211 hw in _rtl_init_mac80211. 550 */ 551 if (rtl_regd_init(hw, rtl_reg_notifier)) { 552 pr_err("REGD init failed\n"); 553 return 1; 554 } 555 556 /* <4> locks */ 557 mutex_init(&rtlpriv->locks.conf_mutex); 558 spin_lock_init(&rtlpriv->locks.ips_lock); 559 spin_lock_init(&rtlpriv->locks.irq_th_lock); 560 spin_lock_init(&rtlpriv->locks.h2c_lock); 561 spin_lock_init(&rtlpriv->locks.rf_ps_lock); 562 spin_lock_init(&rtlpriv->locks.rf_lock); 563 spin_lock_init(&rtlpriv->locks.waitq_lock); 564 spin_lock_init(&rtlpriv->locks.entry_list_lock); 565 spin_lock_init(&rtlpriv->locks.c2hcmd_lock); 566 spin_lock_init(&rtlpriv->locks.scan_list_lock); 567 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); 568 spin_lock_init(&rtlpriv->locks.check_sendpkt_lock); 569 spin_lock_init(&rtlpriv->locks.fw_ps_lock); 570 spin_lock_init(&rtlpriv->locks.lps_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->c2hcmd_list); 575 INIT_LIST_HEAD(&rtlpriv->scan_list.list); 576 577 rtlmac->link_state = MAC80211_NOLINK; 578 579 /* <6> init deferred work */ 580 _rtl_init_deferred_work(hw); 581 582 return 0; 583 } 584 EXPORT_SYMBOL_GPL(rtl_init_core); 585 586 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw); 587 588 void rtl_deinit_core(struct ieee80211_hw *hw) 589 { 590 rtl_c2hcmd_launcher(hw, 0); 591 rtl_free_entries_from_scan_list(hw); 592 } 593 EXPORT_SYMBOL_GPL(rtl_deinit_core); 594 595 void rtl_init_rx_config(struct ieee80211_hw *hw) 596 { 597 struct rtl_priv *rtlpriv = rtl_priv(hw); 598 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 599 600 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); 601 } 602 EXPORT_SYMBOL_GPL(rtl_init_rx_config); 603 604 /********************************************************* 605 * 606 * tx information functions 607 * 608 *********************************************************/ 609 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, 610 struct rtl_tcb_desc *tcb_desc, 611 struct ieee80211_tx_info *info) 612 { 613 struct rtl_priv *rtlpriv = rtl_priv(hw); 614 u8 rate_flag = info->control.rates[0].flags; 615 616 tcb_desc->use_shortpreamble = false; 617 618 /* 1M can only use Long Preamble. 11B spec */ 619 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) 620 return; 621 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 622 tcb_desc->use_shortpreamble = true; 623 624 return; 625 } 626 627 static void _rtl_query_shortgi(struct ieee80211_hw *hw, 628 struct ieee80211_sta *sta, 629 struct rtl_tcb_desc *tcb_desc, 630 struct ieee80211_tx_info *info) 631 { 632 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 633 u8 rate_flag = info->control.rates[0].flags; 634 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; 635 u8 sgi_80 = 0, bw_80 = 0; 636 tcb_desc->use_shortgi = false; 637 638 if (sta == NULL) 639 return; 640 641 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 642 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 643 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; 644 645 if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported)) 646 return; 647 648 if (!sgi_40 && !sgi_20) 649 return; 650 651 if (mac->opmode == NL80211_IFTYPE_STATION) { 652 bw_40 = mac->bw_40; 653 bw_80 = mac->bw_80; 654 } else if (mac->opmode == NL80211_IFTYPE_AP || 655 mac->opmode == NL80211_IFTYPE_ADHOC || 656 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 657 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; 658 bw_80 = sta->vht_cap.vht_supported; 659 } 660 661 if (bw_80) { 662 if (sgi_80) 663 tcb_desc->use_shortgi = true; 664 else 665 tcb_desc->use_shortgi = false; 666 } else { 667 if (bw_40 && sgi_40) 668 tcb_desc->use_shortgi = true; 669 else if (!bw_40 && sgi_20) 670 tcb_desc->use_shortgi = true; 671 } 672 673 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) 674 tcb_desc->use_shortgi = false; 675 } 676 677 static void _rtl_query_protection_mode(struct ieee80211_hw *hw, 678 struct rtl_tcb_desc *tcb_desc, 679 struct ieee80211_tx_info *info) 680 { 681 struct rtl_priv *rtlpriv = rtl_priv(hw); 682 u8 rate_flag = info->control.rates[0].flags; 683 684 /* Common Settings */ 685 tcb_desc->rts_stbc = false; 686 tcb_desc->cts_enable = false; 687 tcb_desc->rts_sc = 0; 688 tcb_desc->rts_bw = false; 689 tcb_desc->rts_use_shortpreamble = false; 690 tcb_desc->rts_use_shortgi = false; 691 692 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { 693 /* Use CTS-to-SELF in protection mode. */ 694 tcb_desc->rts_enable = true; 695 tcb_desc->cts_enable = true; 696 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 697 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { 698 /* Use RTS-CTS in protection mode. */ 699 tcb_desc->rts_enable = true; 700 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 701 } 702 } 703 704 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, 705 struct ieee80211_sta *sta, 706 struct rtl_tcb_desc *tcb_desc) 707 { 708 struct rtl_priv *rtlpriv = rtl_priv(hw); 709 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 710 struct rtl_sta_info *sta_entry = NULL; 711 u8 ratr_index = 7; 712 713 if (sta) { 714 sta_entry = (struct rtl_sta_info *) sta->drv_priv; 715 ratr_index = sta_entry->ratr_index; 716 } 717 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { 718 if (mac->opmode == NL80211_IFTYPE_STATION) { 719 tcb_desc->ratr_index = 0; 720 } else if (mac->opmode == NL80211_IFTYPE_ADHOC || 721 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 722 if (tcb_desc->multicast || tcb_desc->broadcast) { 723 tcb_desc->hw_rate = 724 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; 725 tcb_desc->use_driver_rate = 1; 726 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 727 } else { 728 tcb_desc->ratr_index = ratr_index; 729 } 730 } else if (mac->opmode == NL80211_IFTYPE_AP) { 731 tcb_desc->ratr_index = ratr_index; 732 } 733 } 734 735 if (rtlpriv->dm.useramask) { 736 tcb_desc->ratr_index = ratr_index; 737 /* TODO we will differentiate adhoc and station future */ 738 if (mac->opmode == NL80211_IFTYPE_STATION || 739 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 740 tcb_desc->mac_id = 0; 741 742 if (mac->mode == WIRELESS_MODE_AC_5G) 743 tcb_desc->ratr_index = 744 RATR_INX_WIRELESS_AC_5N; 745 else if (mac->mode == WIRELESS_MODE_AC_24G) 746 tcb_desc->ratr_index = 747 RATR_INX_WIRELESS_AC_24N; 748 else if (mac->mode == WIRELESS_MODE_N_24G) 749 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB; 750 else if (mac->mode == WIRELESS_MODE_N_5G) 751 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG; 752 else if (mac->mode & WIRELESS_MODE_G) 753 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB; 754 else if (mac->mode & WIRELESS_MODE_B) 755 tcb_desc->ratr_index = RATR_INX_WIRELESS_B; 756 else if (mac->mode & WIRELESS_MODE_A) 757 tcb_desc->ratr_index = RATR_INX_WIRELESS_G; 758 759 } else if (mac->opmode == NL80211_IFTYPE_AP || 760 mac->opmode == NL80211_IFTYPE_ADHOC) { 761 if (NULL != sta) { 762 if (sta->aid > 0) 763 tcb_desc->mac_id = sta->aid + 1; 764 else 765 tcb_desc->mac_id = 1; 766 } else { 767 tcb_desc->mac_id = 0; 768 } 769 } 770 } 771 } 772 773 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, 774 struct ieee80211_sta *sta, 775 struct rtl_tcb_desc *tcb_desc) 776 { 777 struct rtl_priv *rtlpriv = rtl_priv(hw); 778 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 779 780 tcb_desc->packet_bw = false; 781 if (!sta) 782 return; 783 if (mac->opmode == NL80211_IFTYPE_AP || 784 mac->opmode == NL80211_IFTYPE_ADHOC || 785 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 786 if (!(sta->ht_cap.ht_supported) || 787 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 788 return; 789 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 790 if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) 791 return; 792 } 793 if (tcb_desc->multicast || tcb_desc->broadcast) 794 return; 795 796 /*use legency rate, shall use 20MHz */ 797 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) 798 return; 799 800 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; 801 802 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE || 803 rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE) { 804 if (mac->opmode == NL80211_IFTYPE_AP || 805 mac->opmode == NL80211_IFTYPE_ADHOC || 806 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 807 if (!(sta->vht_cap.vht_supported)) 808 return; 809 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 810 if (!mac->bw_80 || 811 !(sta->vht_cap.vht_supported)) 812 return; 813 } 814 if (tcb_desc->hw_rate <= 815 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) 816 return; 817 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; 818 } 819 } 820 821 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, 822 struct ieee80211_sta *sta) 823 { 824 struct rtl_priv *rtlpriv = rtl_priv(hw); 825 struct rtl_phy *rtlphy = &(rtlpriv->phy); 826 u8 hw_rate; 827 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map); 828 829 if ((get_rf_type(rtlphy) == RF_2T2R) && 830 (tx_mcs_map & 0x000c) != 0x000c) { 831 if ((tx_mcs_map & 0x000c) >> 2 == 832 IEEE80211_VHT_MCS_SUPPORT_0_7) 833 hw_rate = 834 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; 835 else if ((tx_mcs_map & 0x000c) >> 2 == 836 IEEE80211_VHT_MCS_SUPPORT_0_8) 837 hw_rate = 838 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 839 else 840 hw_rate = 841 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 842 } else { 843 if ((tx_mcs_map & 0x0003) == 844 IEEE80211_VHT_MCS_SUPPORT_0_7) 845 hw_rate = 846 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; 847 else if ((tx_mcs_map & 0x0003) == 848 IEEE80211_VHT_MCS_SUPPORT_0_8) 849 hw_rate = 850 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 851 else 852 hw_rate = 853 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 854 } 855 856 return hw_rate; 857 } 858 859 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, 860 struct ieee80211_sta *sta) 861 { 862 struct rtl_priv *rtlpriv = rtl_priv(hw); 863 struct rtl_phy *rtlphy = &rtlpriv->phy; 864 u8 hw_rate; 865 866 if ((get_rf_type(rtlphy) == RF_2T2R) && 867 (sta->ht_cap.mcs.rx_mask[1] != 0)) 868 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; 869 else 870 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; 871 872 return hw_rate; 873 } 874 875 /* mac80211's rate_idx is like this: 876 * 877 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ 878 * 879 * B/G rate: 880 * (rx_status->flag & RX_FLAG_HT) = 0, 881 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, 882 * 883 * N rate: 884 * (rx_status->flag & RX_FLAG_HT) = 1, 885 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 886 * 887 * 5G band:rx_status->band == NL80211_BAND_5GHZ 888 * A rate: 889 * (rx_status->flag & RX_FLAG_HT) = 0, 890 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, 891 * 892 * N rate: 893 * (rx_status->flag & RX_FLAG_HT) = 1, 894 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 895 * 896 * VHT rates: 897 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 898 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 899 */ 900 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, 901 u8 desc_rate) 902 { 903 int rate_idx; 904 905 if (isvht) { 906 switch (desc_rate) { 907 case DESC_RATEVHT1SS_MCS0: 908 rate_idx = 0; 909 break; 910 case DESC_RATEVHT1SS_MCS1: 911 rate_idx = 1; 912 break; 913 case DESC_RATEVHT1SS_MCS2: 914 rate_idx = 2; 915 break; 916 case DESC_RATEVHT1SS_MCS3: 917 rate_idx = 3; 918 break; 919 case DESC_RATEVHT1SS_MCS4: 920 rate_idx = 4; 921 break; 922 case DESC_RATEVHT1SS_MCS5: 923 rate_idx = 5; 924 break; 925 case DESC_RATEVHT1SS_MCS6: 926 rate_idx = 6; 927 break; 928 case DESC_RATEVHT1SS_MCS7: 929 rate_idx = 7; 930 break; 931 case DESC_RATEVHT1SS_MCS8: 932 rate_idx = 8; 933 break; 934 case DESC_RATEVHT1SS_MCS9: 935 rate_idx = 9; 936 break; 937 case DESC_RATEVHT2SS_MCS0: 938 rate_idx = 0; 939 break; 940 case DESC_RATEVHT2SS_MCS1: 941 rate_idx = 1; 942 break; 943 case DESC_RATEVHT2SS_MCS2: 944 rate_idx = 2; 945 break; 946 case DESC_RATEVHT2SS_MCS3: 947 rate_idx = 3; 948 break; 949 case DESC_RATEVHT2SS_MCS4: 950 rate_idx = 4; 951 break; 952 case DESC_RATEVHT2SS_MCS5: 953 rate_idx = 5; 954 break; 955 case DESC_RATEVHT2SS_MCS6: 956 rate_idx = 6; 957 break; 958 case DESC_RATEVHT2SS_MCS7: 959 rate_idx = 7; 960 break; 961 case DESC_RATEVHT2SS_MCS8: 962 rate_idx = 8; 963 break; 964 case DESC_RATEVHT2SS_MCS9: 965 rate_idx = 9; 966 break; 967 default: 968 rate_idx = 0; 969 break; 970 } 971 return rate_idx; 972 } 973 if (false == isht) { 974 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 975 switch (desc_rate) { 976 case DESC_RATE1M: 977 rate_idx = 0; 978 break; 979 case DESC_RATE2M: 980 rate_idx = 1; 981 break; 982 case DESC_RATE5_5M: 983 rate_idx = 2; 984 break; 985 case DESC_RATE11M: 986 rate_idx = 3; 987 break; 988 case DESC_RATE6M: 989 rate_idx = 4; 990 break; 991 case DESC_RATE9M: 992 rate_idx = 5; 993 break; 994 case DESC_RATE12M: 995 rate_idx = 6; 996 break; 997 case DESC_RATE18M: 998 rate_idx = 7; 999 break; 1000 case DESC_RATE24M: 1001 rate_idx = 8; 1002 break; 1003 case DESC_RATE36M: 1004 rate_idx = 9; 1005 break; 1006 case DESC_RATE48M: 1007 rate_idx = 10; 1008 break; 1009 case DESC_RATE54M: 1010 rate_idx = 11; 1011 break; 1012 default: 1013 rate_idx = 0; 1014 break; 1015 } 1016 } else { 1017 switch (desc_rate) { 1018 case DESC_RATE6M: 1019 rate_idx = 0; 1020 break; 1021 case DESC_RATE9M: 1022 rate_idx = 1; 1023 break; 1024 case DESC_RATE12M: 1025 rate_idx = 2; 1026 break; 1027 case DESC_RATE18M: 1028 rate_idx = 3; 1029 break; 1030 case DESC_RATE24M: 1031 rate_idx = 4; 1032 break; 1033 case DESC_RATE36M: 1034 rate_idx = 5; 1035 break; 1036 case DESC_RATE48M: 1037 rate_idx = 6; 1038 break; 1039 case DESC_RATE54M: 1040 rate_idx = 7; 1041 break; 1042 default: 1043 rate_idx = 0; 1044 break; 1045 } 1046 } 1047 } else { 1048 switch (desc_rate) { 1049 case DESC_RATEMCS0: 1050 rate_idx = 0; 1051 break; 1052 case DESC_RATEMCS1: 1053 rate_idx = 1; 1054 break; 1055 case DESC_RATEMCS2: 1056 rate_idx = 2; 1057 break; 1058 case DESC_RATEMCS3: 1059 rate_idx = 3; 1060 break; 1061 case DESC_RATEMCS4: 1062 rate_idx = 4; 1063 break; 1064 case DESC_RATEMCS5: 1065 rate_idx = 5; 1066 break; 1067 case DESC_RATEMCS6: 1068 rate_idx = 6; 1069 break; 1070 case DESC_RATEMCS7: 1071 rate_idx = 7; 1072 break; 1073 case DESC_RATEMCS8: 1074 rate_idx = 8; 1075 break; 1076 case DESC_RATEMCS9: 1077 rate_idx = 9; 1078 break; 1079 case DESC_RATEMCS10: 1080 rate_idx = 10; 1081 break; 1082 case DESC_RATEMCS11: 1083 rate_idx = 11; 1084 break; 1085 case DESC_RATEMCS12: 1086 rate_idx = 12; 1087 break; 1088 case DESC_RATEMCS13: 1089 rate_idx = 13; 1090 break; 1091 case DESC_RATEMCS14: 1092 rate_idx = 14; 1093 break; 1094 case DESC_RATEMCS15: 1095 rate_idx = 15; 1096 break; 1097 default: 1098 rate_idx = 0; 1099 break; 1100 } 1101 } 1102 return rate_idx; 1103 } 1104 EXPORT_SYMBOL(rtlwifi_rate_mapping); 1105 1106 void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1107 struct ieee80211_tx_info *info, 1108 struct ieee80211_sta *sta, 1109 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1110 { 1111 struct rtl_priv *rtlpriv = rtl_priv(hw); 1112 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1113 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1114 struct ieee80211_rate *txrate; 1115 __le16 fc = rtl_get_fc(skb); 1116 1117 txrate = ieee80211_get_tx_rate(hw, info); 1118 if (txrate) 1119 tcb_desc->hw_rate = txrate->hw_value; 1120 1121 if (rtl_is_tx_report_skb(hw, skb)) 1122 tcb_desc->use_spe_rpt = 1; 1123 1124 if (ieee80211_is_data(fc)) { 1125 /* 1126 *we set data rate INX 0 1127 *in rtl_rc.c if skb is special data or 1128 *mgt which need low data rate. 1129 */ 1130 1131 /* 1132 *So tcb_desc->hw_rate is just used for 1133 *special data and mgt frames 1134 */ 1135 if (info->control.rates[0].idx == 0 || 1136 ieee80211_is_nullfunc(fc)) { 1137 tcb_desc->use_driver_rate = true; 1138 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 1139 1140 tcb_desc->disable_ratefallback = 1; 1141 } else { 1142 /* 1143 *because hw will nerver use hw_rate 1144 *when tcb_desc->use_driver_rate = false 1145 *so we never set highest N rate here, 1146 *and N rate will all be controlled by FW 1147 *when tcb_desc->use_driver_rate = false 1148 */ 1149 if (sta && sta->vht_cap.vht_supported) { 1150 tcb_desc->hw_rate = 1151 _rtl_get_vht_highest_n_rate(hw, sta); 1152 } else { 1153 if (sta && (sta->ht_cap.ht_supported)) { 1154 tcb_desc->hw_rate = 1155 _rtl_get_highest_n_rate(hw, sta); 1156 } else { 1157 if (rtlmac->mode == WIRELESS_MODE_B) { 1158 tcb_desc->hw_rate = 1159 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1160 } else { 1161 tcb_desc->hw_rate = 1162 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1163 } 1164 } 1165 } 1166 } 1167 1168 if (is_multicast_ether_addr(hdr->addr1)) 1169 tcb_desc->multicast = 1; 1170 else if (is_broadcast_ether_addr(hdr->addr1)) 1171 tcb_desc->broadcast = 1; 1172 1173 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1174 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1175 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1176 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1177 _rtl_query_protection_mode(hw, tcb_desc, info); 1178 } else { 1179 tcb_desc->use_driver_rate = true; 1180 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 1181 tcb_desc->disable_ratefallback = 1; 1182 tcb_desc->mac_id = 0; 1183 tcb_desc->packet_bw = false; 1184 } 1185 } 1186 EXPORT_SYMBOL(rtl_get_tcb_desc); 1187 1188 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1189 { 1190 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1191 struct rtl_priv *rtlpriv = rtl_priv(hw); 1192 __le16 fc = rtl_get_fc(skb); 1193 1194 if (rtlpriv->dm.supp_phymode_switch && 1195 mac->link_state < MAC80211_LINKED && 1196 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { 1197 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1198 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1199 } 1200 if (ieee80211_is_auth(fc)) { 1201 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); 1202 rtl_ips_nic_on(hw); 1203 1204 mac->link_state = MAC80211_LINKING; 1205 /* Dul mac */ 1206 rtlpriv->phy.need_iqk = true; 1207 1208 } 1209 1210 return true; 1211 } 1212 EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1213 1214 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1215 u8 *bssid, u16 tid); 1216 1217 static void process_agg_start(struct ieee80211_hw *hw, 1218 struct ieee80211_hdr *hdr, u16 tid) 1219 { 1220 struct rtl_priv *rtlpriv = rtl_priv(hw); 1221 struct ieee80211_rx_status rx_status = { 0 }; 1222 struct sk_buff *skb_delba = NULL; 1223 1224 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); 1225 if (skb_delba) { 1226 rx_status.freq = hw->conf.chandef.chan->center_freq; 1227 rx_status.band = hw->conf.chandef.chan->band; 1228 rx_status.flag |= RX_FLAG_DECRYPTED; 1229 rx_status.flag |= RX_FLAG_MACTIME_START; 1230 rx_status.rate_idx = 0; 1231 rx_status.signal = 50 + 10; 1232 memcpy(IEEE80211_SKB_RXCB(skb_delba), 1233 &rx_status, sizeof(rx_status)); 1234 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, 1235 "fake del\n", 1236 skb_delba->data, 1237 skb_delba->len); 1238 ieee80211_rx_irqsafe(hw, skb_delba); 1239 } 1240 } 1241 1242 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1243 { 1244 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1245 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1246 struct rtl_priv *rtlpriv = rtl_priv(hw); 1247 __le16 fc = rtl_get_fc(skb); 1248 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); 1249 u8 category; 1250 1251 if (!ieee80211_is_action(fc)) 1252 return true; 1253 1254 category = *act; 1255 act++; 1256 switch (category) { 1257 case ACT_CAT_BA: 1258 switch (*act) { 1259 case ACT_ADDBAREQ: 1260 if (mac->act_scanning) 1261 return false; 1262 1263 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1264 "%s ACT_ADDBAREQ From :%pM\n", 1265 is_tx ? "Tx" : "Rx", hdr->addr2); 1266 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", 1267 skb->data, skb->len); 1268 if (!is_tx) { 1269 struct ieee80211_sta *sta = NULL; 1270 struct rtl_sta_info *sta_entry = NULL; 1271 struct rtl_tid_data *tid_data; 1272 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1273 u16 capab = 0, tid = 0; 1274 1275 rcu_read_lock(); 1276 sta = rtl_find_sta(hw, hdr->addr3); 1277 if (sta == NULL) { 1278 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV, 1279 DBG_DMESG, "sta is NULL\n"); 1280 rcu_read_unlock(); 1281 return true; 1282 } 1283 1284 sta_entry = 1285 (struct rtl_sta_info *)sta->drv_priv; 1286 if (!sta_entry) { 1287 rcu_read_unlock(); 1288 return true; 1289 } 1290 capab = 1291 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1292 tid = (capab & 1293 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1294 tid_data = &sta_entry->tids[tid]; 1295 if (tid_data->agg.rx_agg_state == 1296 RTL_RX_AGG_START) 1297 process_agg_start(hw, hdr, tid); 1298 rcu_read_unlock(); 1299 } 1300 break; 1301 case ACT_ADDBARSP: 1302 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1303 "%s ACT_ADDBARSP From :%pM\n", 1304 is_tx ? "Tx" : "Rx", hdr->addr2); 1305 break; 1306 case ACT_DELBA: 1307 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1308 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1309 break; 1310 } 1311 break; 1312 default: 1313 break; 1314 } 1315 1316 return true; 1317 } 1318 EXPORT_SYMBOL_GPL(rtl_action_proc); 1319 1320 static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc, 1321 int type) 1322 { 1323 struct ieee80211_hw *hw = rtlpriv->hw; 1324 1325 rtlpriv->ra.is_special_data = true; 1326 if (rtlpriv->cfg->ops->get_btc_status()) 1327 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1328 rtlpriv, type); 1329 rtl_lps_leave(hw); 1330 ppsc->last_delaylps_stamp_jiffies = jiffies; 1331 } 1332 1333 static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw, 1334 struct sk_buff *skb, bool is_enc) 1335 { 1336 struct rtl_priv *rtlpriv = rtl_priv(hw); 1337 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1338 u8 encrypt_header_len = 0; 1339 u8 offset; 1340 1341 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1342 case WEP40_ENCRYPTION: 1343 case WEP104_ENCRYPTION: 1344 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1345 break; 1346 case TKIP_ENCRYPTION: 1347 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1348 break; 1349 case AESCCMP_ENCRYPTION: 1350 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1351 break; 1352 default: 1353 break; 1354 } 1355 1356 offset = mac_hdr_len + SNAP_SIZE; 1357 if (is_enc) 1358 offset += encrypt_header_len; 1359 1360 return skb->data + offset; 1361 } 1362 1363 /*should call before software enc*/ 1364 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, 1365 bool is_enc) 1366 { 1367 struct rtl_priv *rtlpriv = rtl_priv(hw); 1368 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1369 __le16 fc = rtl_get_fc(skb); 1370 u16 ether_type; 1371 const u8 *ether_type_ptr; 1372 const struct iphdr *ip; 1373 1374 if (!ieee80211_is_data(fc)) 1375 goto end; 1376 1377 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc); 1378 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1379 1380 if (ETH_P_IP == ether_type) { 1381 ip = (struct iphdr *)((u8 *)ether_type_ptr + 1382 PROTOC_TYPE_SIZE); 1383 if (IPPROTO_UDP == ip->protocol) { 1384 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1385 (ip->ihl << 2)); 1386 if (((((u8 *)udp)[1] == 68) && 1387 (((u8 *)udp)[3] == 67)) || 1388 ((((u8 *)udp)[1] == 67) && 1389 (((u8 *)udp)[3] == 68))) { 1390 /* 68 : UDP BOOTP client 1391 * 67 : UDP BOOTP server 1392 */ 1393 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), 1394 DBG_DMESG, "dhcp %s !!\n", 1395 (is_tx) ? "Tx" : "Rx"); 1396 1397 if (is_tx) 1398 setup_special_tx(rtlpriv, ppsc, 1399 PACKET_DHCP); 1400 1401 return true; 1402 } 1403 } 1404 } else if (ETH_P_ARP == ether_type) { 1405 if (is_tx) 1406 setup_special_tx(rtlpriv, ppsc, PACKET_ARP); 1407 1408 return true; 1409 } else if (ETH_P_PAE == ether_type) { 1410 /* EAPOL is seens as in-4way */ 1411 rtlpriv->btcoexist.btc_info.in_4way = true; 1412 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; 1413 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; 1414 1415 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1416 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1417 1418 if (is_tx) { 1419 rtlpriv->ra.is_special_data = true; 1420 rtl_lps_leave(hw); 1421 ppsc->last_delaylps_stamp_jiffies = jiffies; 1422 1423 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL); 1424 } 1425 1426 return true; 1427 } else if (ETH_P_IPV6 == ether_type) { 1428 /* TODO: Handle any IPv6 cases that need special handling. 1429 * For now, always return false 1430 */ 1431 goto end; 1432 } 1433 1434 end: 1435 rtlpriv->ra.is_special_data = false; 1436 return false; 1437 } 1438 EXPORT_SYMBOL_GPL(rtl_is_special_data); 1439 1440 bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb) 1441 { 1442 u16 ether_type; 1443 const u8 *ether_type_ptr; 1444 1445 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true); 1446 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1447 1448 /* EAPOL */ 1449 if (ether_type == ETH_P_PAE) 1450 return true; 1451 1452 return false; 1453 } 1454 1455 static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw) 1456 { 1457 struct rtl_priv *rtlpriv = rtl_priv(hw); 1458 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1459 u16 sn; 1460 1461 sn = atomic_inc_return(&tx_report->sn) & 0x0FFF; 1462 1463 tx_report->last_sent_sn = sn; 1464 tx_report->last_sent_time = jiffies; 1465 1466 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1467 "Send TX-Report sn=0x%X\n", sn); 1468 1469 return sn; 1470 } 1471 1472 void rtl_get_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc, 1473 struct ieee80211_hw *hw) 1474 { 1475 if (ptcb_desc->use_spe_rpt) { 1476 u16 sn = rtl_get_tx_report_sn(hw); 1477 1478 SET_TX_DESC_SPE_RPT(pdesc, 1); 1479 SET_TX_DESC_SW_DEFINE(pdesc, sn); 1480 } 1481 } 1482 EXPORT_SYMBOL_GPL(rtl_get_tx_report); 1483 1484 void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) 1485 { 1486 struct rtl_priv *rtlpriv = rtl_priv(hw); 1487 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1488 u16 sn; 1489 1490 sn = ((tmp_buf[7] & 0x0F) << 8) | tmp_buf[6]; 1491 1492 tx_report->last_recv_sn = sn; 1493 1494 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1495 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", 1496 tmp_buf[0], sn, tmp_buf[2]); 1497 } 1498 EXPORT_SYMBOL_GPL(rtl_tx_report_handler); 1499 1500 bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) 1501 { 1502 struct rtl_priv *rtlpriv = rtl_priv(hw); 1503 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1504 1505 if (tx_report->last_sent_sn == tx_report->last_recv_sn) 1506 return true; 1507 1508 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { 1509 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING, 1510 "Check TX-Report timeout!!\n"); 1511 return true; /* 3 sec. (timeout) seen as acked */ 1512 } 1513 1514 return false; 1515 } 1516 1517 void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms) 1518 { 1519 struct rtl_priv *rtlpriv = rtl_priv(hw); 1520 int i; 1521 1522 for (i = 0; i < wait_ms; i++) { 1523 if (rtl_check_tx_report_acked(hw)) 1524 break; 1525 usleep_range(1000, 2000); 1526 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1527 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); 1528 } 1529 } 1530 /********************************************************* 1531 * 1532 * functions called by core.c 1533 * 1534 *********************************************************/ 1535 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1536 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1537 { 1538 struct rtl_priv *rtlpriv = rtl_priv(hw); 1539 struct rtl_tid_data *tid_data; 1540 struct rtl_sta_info *sta_entry = NULL; 1541 1542 if (sta == NULL) 1543 return -EINVAL; 1544 1545 if (unlikely(tid >= MAX_TID_COUNT)) 1546 return -EINVAL; 1547 1548 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1549 if (!sta_entry) 1550 return -ENXIO; 1551 tid_data = &sta_entry->tids[tid]; 1552 1553 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1554 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1555 tid_data->seq_number); 1556 1557 *ssn = tid_data->seq_number; 1558 tid_data->agg.agg_state = RTL_AGG_START; 1559 1560 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1561 return 0; 1562 } 1563 1564 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1565 struct ieee80211_sta *sta, u16 tid) 1566 { 1567 struct rtl_priv *rtlpriv = rtl_priv(hw); 1568 struct rtl_tid_data *tid_data; 1569 struct rtl_sta_info *sta_entry = NULL; 1570 1571 if (sta == NULL) 1572 return -EINVAL; 1573 1574 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1575 "on ra = %pM tid = %d\n", sta->addr, tid); 1576 1577 if (unlikely(tid >= MAX_TID_COUNT)) 1578 return -EINVAL; 1579 1580 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1581 tid_data = &sta_entry->tids[tid]; 1582 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1583 1584 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1585 return 0; 1586 } 1587 1588 int rtl_rx_agg_start(struct ieee80211_hw *hw, 1589 struct ieee80211_sta *sta, u16 tid) 1590 { 1591 struct rtl_priv *rtlpriv = rtl_priv(hw); 1592 struct rtl_tid_data *tid_data; 1593 struct rtl_sta_info *sta_entry = NULL; 1594 u8 reject_agg; 1595 1596 if (sta == NULL) 1597 return -EINVAL; 1598 1599 if (unlikely(tid >= MAX_TID_COUNT)) 1600 return -EINVAL; 1601 1602 if (rtlpriv->cfg->ops->get_btc_status()) { 1603 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv, 1604 &reject_agg, 1605 NULL, NULL); 1606 if (reject_agg) 1607 return -EINVAL; 1608 } 1609 1610 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1611 if (!sta_entry) 1612 return -ENXIO; 1613 tid_data = &sta_entry->tids[tid]; 1614 1615 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, 1616 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1617 tid_data->seq_number); 1618 1619 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1620 return 0; 1621 } 1622 1623 int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1624 struct ieee80211_sta *sta, u16 tid) 1625 { 1626 struct rtl_priv *rtlpriv = rtl_priv(hw); 1627 struct rtl_sta_info *sta_entry = NULL; 1628 1629 if (sta == NULL) 1630 return -EINVAL; 1631 1632 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1633 "on ra = %pM tid = %d\n", sta->addr, tid); 1634 1635 if (unlikely(tid >= MAX_TID_COUNT)) 1636 return -EINVAL; 1637 1638 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1639 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1640 1641 return 0; 1642 } 1643 int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1644 struct ieee80211_sta *sta, u16 tid) 1645 { 1646 struct rtl_priv *rtlpriv = rtl_priv(hw); 1647 struct rtl_sta_info *sta_entry = NULL; 1648 1649 if (sta == NULL) 1650 return -EINVAL; 1651 1652 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1653 "on ra = %pM tid = %d\n", sta->addr, tid); 1654 1655 if (unlikely(tid >= MAX_TID_COUNT)) 1656 return -EINVAL; 1657 1658 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1659 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1660 1661 return 0; 1662 } 1663 1664 void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) 1665 { 1666 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 1667 u8 reject_agg, ctrl_agg_size = 0, agg_size; 1668 1669 if (rtlpriv->cfg->ops->get_btc_status()) 1670 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, 1671 &ctrl_agg_size, &agg_size); 1672 1673 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, 1674 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", 1675 reject_agg, ctrl_agg_size, agg_size); 1676 1677 rtlpriv->hw->max_rx_aggregation_subframes = 1678 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF); 1679 } 1680 EXPORT_SYMBOL(rtl_rx_ampdu_apply); 1681 1682 /********************************************************* 1683 * 1684 * wq & timer callback functions 1685 * 1686 *********************************************************/ 1687 /* this function is used for roaming */ 1688 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1689 { 1690 struct rtl_priv *rtlpriv = rtl_priv(hw); 1691 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1692 1693 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1694 return; 1695 1696 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1697 return; 1698 1699 /* check if this really is a beacon */ 1700 if (!ieee80211_is_beacon(hdr->frame_control) && 1701 !ieee80211_is_probe_resp(hdr->frame_control)) 1702 return; 1703 1704 /* min. beacon length + FCS_LEN */ 1705 if (skb->len <= 40 + FCS_LEN) 1706 return; 1707 1708 /* and only beacons from the associated BSSID, please */ 1709 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1710 return; 1711 1712 rtlpriv->link_info.bcn_rx_inperiod++; 1713 } 1714 EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1715 1716 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw) 1717 { 1718 struct rtl_priv *rtlpriv = rtl_priv(hw); 1719 struct rtl_bssid_entry *entry, *next; 1720 1721 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1722 list_del(&entry->list); 1723 kfree(entry); 1724 rtlpriv->scan_list.num--; 1725 } 1726 } 1727 1728 void rtl_scan_list_expire(struct ieee80211_hw *hw) 1729 { 1730 struct rtl_priv *rtlpriv = rtl_priv(hw); 1731 struct rtl_bssid_entry *entry, *next; 1732 unsigned long flags; 1733 1734 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 1735 1736 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1737 /* 180 seconds */ 1738 if (jiffies_to_msecs(jiffies - entry->age) < 180000) 1739 continue; 1740 1741 list_del(&entry->list); 1742 rtlpriv->scan_list.num--; 1743 1744 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 1745 "BSSID=%pM is expire in scan list (total=%d)\n", 1746 entry->bssid, rtlpriv->scan_list.num); 1747 kfree(entry); 1748 } 1749 1750 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 1751 1752 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1753 } 1754 1755 void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) 1756 { 1757 struct rtl_priv *rtlpriv = rtl_priv(hw); 1758 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1759 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1760 unsigned long flags; 1761 1762 struct rtl_bssid_entry *entry; 1763 bool entry_found = false; 1764 1765 /* check if it is scanning */ 1766 if (!mac->act_scanning) 1767 return; 1768 1769 /* check if this really is a beacon */ 1770 if (!ieee80211_is_beacon(hdr->frame_control) && 1771 !ieee80211_is_probe_resp(hdr->frame_control)) 1772 return; 1773 1774 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 1775 1776 list_for_each_entry(entry, &rtlpriv->scan_list.list, list) { 1777 if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) { 1778 list_del_init(&entry->list); 1779 entry_found = true; 1780 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 1781 "Update BSSID=%pM to scan list (total=%d)\n", 1782 hdr->addr3, rtlpriv->scan_list.num); 1783 break; 1784 } 1785 } 1786 1787 if (!entry_found) { 1788 entry = kmalloc(sizeof(*entry), GFP_ATOMIC); 1789 1790 if (!entry) 1791 goto label_err; 1792 1793 memcpy(entry->bssid, hdr->addr3, ETH_ALEN); 1794 rtlpriv->scan_list.num++; 1795 1796 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 1797 "Add BSSID=%pM to scan list (total=%d)\n", 1798 hdr->addr3, rtlpriv->scan_list.num); 1799 } 1800 1801 entry->age = jiffies; 1802 1803 list_add_tail(&entry->list, &rtlpriv->scan_list.list); 1804 1805 label_err: 1806 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 1807 } 1808 EXPORT_SYMBOL(rtl_collect_scan_list); 1809 1810 void rtl_watchdog_wq_callback(void *data) 1811 { 1812 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 1813 struct rtl_works, 1814 watchdog_wq); 1815 struct ieee80211_hw *hw = rtlworks->hw; 1816 struct rtl_priv *rtlpriv = rtl_priv(hw); 1817 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1818 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1819 bool busytraffic = false; 1820 bool tx_busy_traffic = false; 1821 bool rx_busy_traffic = false; 1822 bool higher_busytraffic = false; 1823 bool higher_busyrxtraffic = false; 1824 u8 idx, tid; 1825 u32 rx_cnt_inp4eriod = 0; 1826 u32 tx_cnt_inp4eriod = 0; 1827 u32 aver_rx_cnt_inperiod = 0; 1828 u32 aver_tx_cnt_inperiod = 0; 1829 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 1830 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 1831 1832 if (is_hal_stop(rtlhal)) 1833 return; 1834 1835 /* <1> Determine if action frame is allowed */ 1836 if (mac->link_state > MAC80211_NOLINK) { 1837 if (mac->cnt_after_linked < 20) 1838 mac->cnt_after_linked++; 1839 } else { 1840 mac->cnt_after_linked = 0; 1841 } 1842 1843 /* <2> to check if traffic busy, if 1844 * busytraffic we don't change channel 1845 */ 1846 if (mac->link_state >= MAC80211_LINKED) { 1847 1848 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 1849 for (idx = 0; idx <= 2; idx++) { 1850 rtlpriv->link_info.num_rx_in4period[idx] = 1851 rtlpriv->link_info.num_rx_in4period[idx + 1]; 1852 rtlpriv->link_info.num_tx_in4period[idx] = 1853 rtlpriv->link_info.num_tx_in4period[idx + 1]; 1854 } 1855 rtlpriv->link_info.num_rx_in4period[3] = 1856 rtlpriv->link_info.num_rx_inperiod; 1857 rtlpriv->link_info.num_tx_in4period[3] = 1858 rtlpriv->link_info.num_tx_inperiod; 1859 for (idx = 0; idx <= 3; idx++) { 1860 rx_cnt_inp4eriod += 1861 rtlpriv->link_info.num_rx_in4period[idx]; 1862 tx_cnt_inp4eriod += 1863 rtlpriv->link_info.num_tx_in4period[idx]; 1864 } 1865 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 1866 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 1867 1868 /* (2) check traffic busy */ 1869 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 1870 busytraffic = true; 1871 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 1872 rx_busy_traffic = true; 1873 else 1874 tx_busy_traffic = false; 1875 } 1876 1877 /* Higher Tx/Rx data. */ 1878 if (aver_rx_cnt_inperiod > 4000 || 1879 aver_tx_cnt_inperiod > 4000) { 1880 higher_busytraffic = true; 1881 1882 /* Extremely high Rx data. */ 1883 if (aver_rx_cnt_inperiod > 5000) 1884 higher_busyrxtraffic = true; 1885 } 1886 1887 /* check every tid's tx traffic */ 1888 for (tid = 0; tid <= 7; tid++) { 1889 for (idx = 0; idx <= 2; idx++) 1890 rtlpriv->link_info.tidtx_in4period[tid][idx] = 1891 rtlpriv->link_info.tidtx_in4period[tid] 1892 [idx + 1]; 1893 rtlpriv->link_info.tidtx_in4period[tid][3] = 1894 rtlpriv->link_info.tidtx_inperiod[tid]; 1895 1896 for (idx = 0; idx <= 3; idx++) 1897 tidtx_inp4eriod[tid] += 1898 rtlpriv->link_info.tidtx_in4period[tid][idx]; 1899 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 1900 if (aver_tidtx_inperiod[tid] > 5000) 1901 rtlpriv->link_info.higher_busytxtraffic[tid] = 1902 true; 1903 else 1904 rtlpriv->link_info.higher_busytxtraffic[tid] = 1905 false; 1906 } 1907 1908 /* PS is controlled by coex. */ 1909 if (rtlpriv->cfg->ops->get_btc_status() && 1910 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv)) 1911 goto label_lps_done; 1912 1913 if (((rtlpriv->link_info.num_rx_inperiod + 1914 rtlpriv->link_info.num_tx_inperiod) > 8) || 1915 (rtlpriv->link_info.num_rx_inperiod > 2)) 1916 rtl_lps_leave(hw); 1917 else 1918 rtl_lps_enter(hw); 1919 1920 label_lps_done: 1921 ; 1922 } 1923 1924 rtlpriv->link_info.num_rx_inperiod = 0; 1925 rtlpriv->link_info.num_tx_inperiod = 0; 1926 for (tid = 0; tid <= 7; tid++) 1927 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 1928 1929 rtlpriv->link_info.busytraffic = busytraffic; 1930 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 1931 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 1932 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 1933 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 1934 1935 /* <3> DM */ 1936 if (!rtlpriv->cfg->mod_params->disable_watchdog) 1937 rtlpriv->cfg->ops->dm_watchdog(hw); 1938 1939 /* <4> roaming */ 1940 if (mac->link_state == MAC80211_LINKED && 1941 mac->opmode == NL80211_IFTYPE_STATION) { 1942 if ((rtlpriv->link_info.bcn_rx_inperiod + 1943 rtlpriv->link_info.num_rx_inperiod) == 0) { 1944 rtlpriv->link_info.roam_times++; 1945 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 1946 "AP off for %d s\n", 1947 (rtlpriv->link_info.roam_times * 2)); 1948 1949 /* if we can't recv beacon for 10s, 1950 * we should reconnect this AP 1951 */ 1952 if (rtlpriv->link_info.roam_times >= 5) { 1953 pr_err("AP off, try to reconnect now\n"); 1954 rtlpriv->link_info.roam_times = 0; 1955 ieee80211_connection_loss( 1956 rtlpriv->mac80211.vif); 1957 } 1958 } else { 1959 rtlpriv->link_info.roam_times = 0; 1960 } 1961 } 1962 1963 if (rtlpriv->cfg->ops->get_btc_status()) 1964 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 1965 1966 if (rtlpriv->btcoexist.btc_info.in_4way) { 1967 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts + 1968 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME))) 1969 rtlpriv->btcoexist.btc_info.in_4way = false; 1970 } 1971 1972 rtlpriv->link_info.bcn_rx_inperiod = 0; 1973 1974 /* <6> scan list */ 1975 rtl_scan_list_expire(hw); 1976 } 1977 1978 void rtl_watch_dog_timer_callback(unsigned long data) 1979 { 1980 struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 1981 struct rtl_priv *rtlpriv = rtl_priv(hw); 1982 1983 queue_delayed_work(rtlpriv->works.rtl_wq, 1984 &rtlpriv->works.watchdog_wq, 0); 1985 1986 mod_timer(&rtlpriv->works.watchdog_timer, 1987 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 1988 } 1989 void rtl_fwevt_wq_callback(void *data) 1990 { 1991 struct rtl_works *rtlworks = 1992 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); 1993 struct ieee80211_hw *hw = rtlworks->hw; 1994 struct rtl_priv *rtlpriv = rtl_priv(hw); 1995 1996 rtlpriv->cfg->ops->c2h_command_handle(hw); 1997 } 1998 1999 void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, u8 tag, u8 len, u8 *val) 2000 { 2001 struct rtl_priv *rtlpriv = rtl_priv(hw); 2002 unsigned long flags; 2003 struct rtl_c2hcmd *c2hcmd; 2004 2005 c2hcmd = kmalloc(sizeof(*c2hcmd), 2006 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); 2007 2008 if (!c2hcmd) 2009 goto label_err; 2010 2011 c2hcmd->val = kmalloc(len, 2012 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); 2013 2014 if (!c2hcmd->val) 2015 goto label_err2; 2016 2017 /* fill data */ 2018 c2hcmd->tag = tag; 2019 c2hcmd->len = len; 2020 memcpy(c2hcmd->val, val, len); 2021 2022 /* enqueue */ 2023 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags); 2024 2025 list_add_tail(&c2hcmd->list, &rtlpriv->c2hcmd_list); 2026 2027 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags); 2028 2029 /* wake up wq */ 2030 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0); 2031 2032 return; 2033 2034 label_err2: 2035 kfree(c2hcmd); 2036 2037 label_err: 2038 RT_TRACE(rtlpriv, COMP_CMD, DBG_WARNING, 2039 "C2H cmd enqueue fail.\n"); 2040 } 2041 EXPORT_SYMBOL(rtl_c2hcmd_enqueue); 2042 2043 void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec) 2044 { 2045 struct rtl_priv *rtlpriv = rtl_priv(hw); 2046 unsigned long flags; 2047 struct rtl_c2hcmd *c2hcmd; 2048 int i; 2049 2050 for (i = 0; i < 200; i++) { 2051 /* dequeue a task */ 2052 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags); 2053 2054 c2hcmd = list_first_entry_or_null(&rtlpriv->c2hcmd_list, 2055 struct rtl_c2hcmd, list); 2056 2057 if (c2hcmd) 2058 list_del(&c2hcmd->list); 2059 2060 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags); 2061 2062 /* do it */ 2063 if (!c2hcmd) 2064 break; 2065 2066 if (rtlpriv->cfg->ops->c2h_content_parsing && exec) 2067 rtlpriv->cfg->ops->c2h_content_parsing(hw, 2068 c2hcmd->tag, c2hcmd->len, c2hcmd->val); 2069 2070 /* free */ 2071 kfree(c2hcmd->val); 2072 2073 kfree(c2hcmd); 2074 } 2075 } 2076 2077 void rtl_c2hcmd_wq_callback(void *data) 2078 { 2079 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 2080 struct rtl_works, 2081 c2hcmd_wq); 2082 struct ieee80211_hw *hw = rtlworks->hw; 2083 2084 rtl_c2hcmd_launcher(hw, 1); 2085 } 2086 2087 void rtl_easy_concurrent_retrytimer_callback(unsigned long data) 2088 { 2089 struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 2090 struct rtl_priv *rtlpriv = rtl_priv(hw); 2091 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; 2092 2093 if (buddy_priv == NULL) 2094 return; 2095 2096 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); 2097 } 2098 /********************************************************* 2099 * 2100 * frame process functions 2101 * 2102 *********************************************************/ 2103 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 2104 { 2105 struct ieee80211_mgmt *mgmt = (void *)data; 2106 u8 *pos, *end; 2107 2108 pos = (u8 *)mgmt->u.beacon.variable; 2109 end = data + len; 2110 while (pos < end) { 2111 if (pos + 2 + pos[1] > end) 2112 return NULL; 2113 2114 if (pos[0] == ie) 2115 return pos; 2116 2117 pos += 2 + pos[1]; 2118 } 2119 return NULL; 2120 } 2121 2122 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 2123 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 2124 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 2125 enum ieee80211_smps_mode smps, 2126 u8 *da, u8 *bssid) 2127 { 2128 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2129 struct sk_buff *skb; 2130 struct ieee80211_mgmt *action_frame; 2131 2132 /* 27 = header + category + action + smps mode */ 2133 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 2134 if (!skb) 2135 return NULL; 2136 2137 skb_reserve(skb, hw->extra_tx_headroom); 2138 action_frame = skb_put_zero(skb, 27); 2139 memcpy(action_frame->da, da, ETH_ALEN); 2140 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 2141 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2142 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2143 IEEE80211_STYPE_ACTION); 2144 action_frame->u.action.category = WLAN_CATEGORY_HT; 2145 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 2146 switch (smps) { 2147 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 2148 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 2149 WARN_ON(1); 2150 /* Here will get a 'MISSING_BREAK' in Coverity Test, just ignore it. 2151 * According to Kernel Code, here is right. 2152 */ 2153 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 2154 action_frame->u.action.u.ht_smps.smps_control = 2155 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 2156 break; 2157 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 2158 action_frame->u.action.u.ht_smps.smps_control = 2159 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 2160 break; 2161 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 2162 action_frame->u.action.u.ht_smps.smps_control = 2163 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 2164 break; 2165 } 2166 2167 return skb; 2168 } 2169 2170 int rtl_send_smps_action(struct ieee80211_hw *hw, 2171 struct ieee80211_sta *sta, 2172 enum ieee80211_smps_mode smps) 2173 { 2174 struct rtl_priv *rtlpriv = rtl_priv(hw); 2175 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2176 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 2177 struct sk_buff *skb = NULL; 2178 struct rtl_tcb_desc tcb_desc; 2179 u8 bssid[ETH_ALEN] = {0}; 2180 2181 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 2182 2183 if (rtlpriv->mac80211.act_scanning) 2184 goto err_free; 2185 2186 if (!sta) 2187 goto err_free; 2188 2189 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 2190 goto err_free; 2191 2192 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 2193 goto err_free; 2194 2195 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 2196 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 2197 else 2198 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 2199 2200 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 2201 /* this is a type = mgmt * stype = action frame */ 2202 if (skb) { 2203 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 2204 struct rtl_sta_info *sta_entry = 2205 (struct rtl_sta_info *) sta->drv_priv; 2206 sta_entry->mimo_ps = smps; 2207 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */ 2208 2209 info->control.rates[0].idx = 0; 2210 info->band = hw->conf.chandef.chan->band; 2211 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 2212 } 2213 return 1; 2214 2215 err_free: 2216 return 0; 2217 } 2218 EXPORT_SYMBOL(rtl_send_smps_action); 2219 2220 void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 2221 { 2222 struct rtl_priv *rtlpriv = rtl_priv(hw); 2223 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2224 enum io_type iotype; 2225 2226 if (!is_hal_stop(rtlhal)) { 2227 switch (operation) { 2228 case SCAN_OPT_BACKUP: 2229 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 2230 rtlpriv->cfg->ops->set_hw_reg(hw, 2231 HW_VAR_IO_CMD, 2232 (u8 *)&iotype); 2233 break; 2234 case SCAN_OPT_RESTORE: 2235 iotype = IO_CMD_RESUME_DM_BY_SCAN; 2236 rtlpriv->cfg->ops->set_hw_reg(hw, 2237 HW_VAR_IO_CMD, 2238 (u8 *)&iotype); 2239 break; 2240 default: 2241 pr_err("Unknown Scan Backup operation.\n"); 2242 break; 2243 } 2244 } 2245 } 2246 EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 2247 2248 /* because mac80211 have issues when can receive del ba 2249 * so here we just make a fake del_ba if we receive a ba_req 2250 * but rx_agg was opened to let mac80211 release some ba 2251 * related resources, so please this del_ba for tx 2252 */ 2253 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 2254 u8 *sa, u8 *bssid, u16 tid) 2255 { 2256 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2257 struct sk_buff *skb; 2258 struct ieee80211_mgmt *action_frame; 2259 u16 params; 2260 2261 /* 27 = header + category + action + smps mode */ 2262 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 2263 if (!skb) 2264 return NULL; 2265 2266 skb_reserve(skb, hw->extra_tx_headroom); 2267 action_frame = skb_put_zero(skb, 34); 2268 memcpy(action_frame->sa, sa, ETH_ALEN); 2269 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 2270 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2271 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2272 IEEE80211_STYPE_ACTION); 2273 action_frame->u.action.category = WLAN_CATEGORY_BACK; 2274 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 2275 params = (u16)(1 << 11); /* bit 11 initiator */ 2276 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 2277 2278 action_frame->u.action.u.delba.params = cpu_to_le16(params); 2279 action_frame->u.action.u.delba.reason_code = 2280 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 2281 2282 return skb; 2283 } 2284 2285 /********************************************************* 2286 * 2287 * IOT functions 2288 * 2289 *********************************************************/ 2290 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 2291 struct octet_string vendor_ie) 2292 { 2293 struct rtl_priv *rtlpriv = rtl_priv(hw); 2294 bool matched = false; 2295 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 2296 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 2297 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 2298 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 2299 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 2300 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 2301 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 2302 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 2303 2304 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 2305 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 2306 rtlpriv->mac80211.vendor = PEER_ATH; 2307 matched = true; 2308 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 2309 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 2310 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 2311 rtlpriv->mac80211.vendor = PEER_BROAD; 2312 matched = true; 2313 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 2314 rtlpriv->mac80211.vendor = PEER_RAL; 2315 matched = true; 2316 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 2317 rtlpriv->mac80211.vendor = PEER_CISCO; 2318 matched = true; 2319 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 2320 rtlpriv->mac80211.vendor = PEER_MARV; 2321 matched = true; 2322 } 2323 2324 return matched; 2325 } 2326 2327 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 2328 unsigned int len) 2329 { 2330 struct ieee80211_mgmt *mgmt = (void *)data; 2331 struct octet_string vendor_ie; 2332 u8 *pos, *end; 2333 2334 pos = (u8 *)mgmt->u.beacon.variable; 2335 end = data + len; 2336 while (pos < end) { 2337 if (pos[0] == 221) { 2338 vendor_ie.length = pos[1]; 2339 vendor_ie.octet = &pos[2]; 2340 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 2341 return true; 2342 } 2343 2344 if (pos + 2 + pos[1] > end) 2345 return false; 2346 2347 pos += 2 + pos[1]; 2348 } 2349 return false; 2350 } 2351 2352 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 2353 { 2354 struct rtl_priv *rtlpriv = rtl_priv(hw); 2355 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2356 struct ieee80211_hdr *hdr = (void *)data; 2357 u32 vendor = PEER_UNKNOWN; 2358 2359 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 2360 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 2361 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 2362 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 2363 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 2364 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 2365 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 2366 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 2367 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 2368 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 2369 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 2370 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 2371 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 2372 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 2373 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 2374 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 2375 2376 if (mac->opmode != NL80211_IFTYPE_STATION) 2377 return; 2378 2379 if (mac->link_state == MAC80211_NOLINK) { 2380 mac->vendor = PEER_UNKNOWN; 2381 return; 2382 } 2383 2384 if (mac->cnt_after_linked > 2) 2385 return; 2386 2387 /* check if this really is a beacon */ 2388 if (!ieee80211_is_beacon(hdr->frame_control)) 2389 return; 2390 2391 /* min. beacon length + FCS_LEN */ 2392 if (len <= 40 + FCS_LEN) 2393 return; 2394 2395 /* and only beacons from the associated BSSID, please */ 2396 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 2397 return; 2398 2399 if (rtl_find_221_ie(hw, data, len)) 2400 vendor = mac->vendor; 2401 2402 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 2403 (memcmp(mac->bssid, ap5_2, 3) == 0) || 2404 (memcmp(mac->bssid, ap5_3, 3) == 0) || 2405 (memcmp(mac->bssid, ap5_4, 3) == 0) || 2406 (memcmp(mac->bssid, ap5_5, 3) == 0) || 2407 (memcmp(mac->bssid, ap5_6, 3) == 0) || 2408 vendor == PEER_ATH) { 2409 vendor = PEER_ATH; 2410 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 2411 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 2412 (memcmp(mac->bssid, ap4_5, 3) == 0) || 2413 (memcmp(mac->bssid, ap4_1, 3) == 0) || 2414 (memcmp(mac->bssid, ap4_2, 3) == 0) || 2415 (memcmp(mac->bssid, ap4_3, 3) == 0) || 2416 vendor == PEER_RAL) { 2417 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 2418 vendor = PEER_RAL; 2419 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 2420 vendor == PEER_CISCO) { 2421 vendor = PEER_CISCO; 2422 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 2423 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 2424 (memcmp(mac->bssid, ap3_2, 3) == 0) || 2425 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2426 vendor == PEER_BROAD) { 2427 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2428 vendor = PEER_BROAD; 2429 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2430 vendor == PEER_MARV) { 2431 vendor = PEER_MARV; 2432 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2433 } 2434 2435 mac->vendor = vendor; 2436 } 2437 EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2438 2439 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2440 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2441 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2442 MODULE_LICENSE("GPL"); 2443 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2444 2445 struct rtl_global_var rtl_global_var = {}; 2446 EXPORT_SYMBOL_GPL(rtl_global_var); 2447 2448 static int __init rtl_core_module_init(void) 2449 { 2450 if (rtl_rate_control_register()) 2451 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2452 2453 /* init some global vars */ 2454 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); 2455 spin_lock_init(&rtl_global_var.glb_list_lock); 2456 2457 return 0; 2458 } 2459 2460 static void __exit rtl_core_module_exit(void) 2461 { 2462 /*RC*/ 2463 rtl_rate_control_unregister(); 2464 } 2465 2466 module_init(rtl_core_module_init); 2467 module_exit(rtl_core_module_exit); 2468