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 = IEEE80211_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 = IEEE80211_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[IEEE80211_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 RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, 211 "Support phy mode switch\n"); 212 213 ht_cap->mcs.rx_mask[0] = 0xFF; 214 ht_cap->mcs.rx_mask[1] = 0xFF; 215 ht_cap->mcs.rx_mask[4] = 0x01; 216 217 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); 218 } else { 219 if (get_rf_type(rtlphy) == RF_1T2R || 220 get_rf_type(rtlphy) == RF_2T2R) { 221 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 222 "1T2R or 2T2R\n"); 223 ht_cap->mcs.rx_mask[0] = 0xFF; 224 ht_cap->mcs.rx_mask[1] = 0xFF; 225 ht_cap->mcs.rx_mask[4] = 0x01; 226 227 ht_cap->mcs.rx_highest = 228 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15); 229 } else if (get_rf_type(rtlphy) == RF_1T1R) { 230 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n"); 231 232 ht_cap->mcs.rx_mask[0] = 0xFF; 233 ht_cap->mcs.rx_mask[1] = 0x00; 234 ht_cap->mcs.rx_mask[4] = 0x01; 235 236 ht_cap->mcs.rx_highest = 237 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7); 238 } 239 } 240 } 241 242 static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw, 243 struct ieee80211_sta_vht_cap *vht_cap) 244 { 245 struct rtl_priv *rtlpriv = rtl_priv(hw); 246 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 247 248 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) { 249 u16 mcs_map; 250 251 vht_cap->vht_supported = true; 252 vht_cap->cap = 253 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 | 254 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | 255 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 256 IEEE80211_VHT_CAP_SHORT_GI_80 | 257 IEEE80211_VHT_CAP_TXSTBC | 258 IEEE80211_VHT_CAP_RXSTBC_1 | 259 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 260 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 261 IEEE80211_VHT_CAP_HTC_VHT | 262 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 263 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 264 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 265 0; 266 267 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 268 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | 269 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 270 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 271 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 272 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 273 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 274 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 275 276 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 277 vht_cap->vht_mcs.rx_highest = 278 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 279 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 280 vht_cap->vht_mcs.tx_highest = 281 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 282 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) { 283 u16 mcs_map; 284 285 vht_cap->vht_supported = true; 286 vht_cap->cap = 287 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 | 288 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | 289 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 290 IEEE80211_VHT_CAP_SHORT_GI_80 | 291 IEEE80211_VHT_CAP_TXSTBC | 292 IEEE80211_VHT_CAP_RXSTBC_1 | 293 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 294 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 295 IEEE80211_VHT_CAP_HTC_VHT | 296 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 297 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 298 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 299 0; 300 301 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 302 IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 | 303 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 304 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 305 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 306 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 307 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 308 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 309 310 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 311 vht_cap->vht_mcs.rx_highest = 312 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); 313 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 314 vht_cap->vht_mcs.tx_highest = 315 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); 316 } 317 } 318 319 static void _rtl_init_mac80211(struct ieee80211_hw *hw) 320 { 321 struct rtl_priv *rtlpriv = rtl_priv(hw); 322 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 323 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 324 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 325 struct ieee80211_supported_band *sband; 326 327 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && 328 rtlhal->bandset == BAND_ON_BOTH) { 329 /* 1: 2.4 G bands */ 330 /* <1> use mac->bands as mem for hw->wiphy->bands */ 331 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]); 332 333 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ] 334 * to default value(1T1R) */ 335 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz, 336 sizeof(struct ieee80211_supported_band)); 337 338 /* <3> init ht cap base on ant_num */ 339 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 340 341 /* <4> set mac->sband to wiphy->sband */ 342 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; 343 344 /* 2: 5 G bands */ 345 /* <1> use mac->bands as mem for hw->wiphy->bands */ 346 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); 347 348 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ] 349 * to default value(1T1R) */ 350 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz, 351 sizeof(struct ieee80211_supported_band)); 352 353 /* <3> init ht cap base on ant_num */ 354 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 355 356 _rtl_init_hw_vht_capab(hw, &sband->vht_cap); 357 /* <4> set mac->sband to wiphy->sband */ 358 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; 359 } else { 360 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 361 /* <1> use mac->bands as mem for hw->wiphy->bands */ 362 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]); 363 364 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ] 365 * to default value(1T1R) */ 366 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), 367 &rtl_band_2ghz, 368 sizeof(struct ieee80211_supported_band)); 369 370 /* <3> init ht cap base on ant_num */ 371 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 372 373 /* <4> set mac->sband to wiphy->sband */ 374 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; 375 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 376 /* <1> use mac->bands as mem for hw->wiphy->bands */ 377 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]); 378 379 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ] 380 * to default value(1T1R) */ 381 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), 382 &rtl_band_5ghz, 383 sizeof(struct ieee80211_supported_band)); 384 385 /* <3> init ht cap base on ant_num */ 386 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 387 388 _rtl_init_hw_vht_capab(hw, &sband->vht_cap); 389 /* <4> set mac->sband to wiphy->sband */ 390 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; 391 } else { 392 RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "Err BAND %d\n", 393 rtlhal->current_bandtype); 394 } 395 } 396 /* <5> set hw caps */ 397 ieee80211_hw_set(hw, SIGNAL_DBM); 398 ieee80211_hw_set(hw, RX_INCLUDES_FCS); 399 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 400 ieee80211_hw_set(hw, CONNECTION_MONITOR); 401 ieee80211_hw_set(hw, MFP_CAPABLE); 402 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 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 hw->wiphy->interface_modes = 410 BIT(NL80211_IFTYPE_AP) | 411 BIT(NL80211_IFTYPE_STATION) | 412 BIT(NL80211_IFTYPE_ADHOC) | 413 BIT(NL80211_IFTYPE_MESH_POINT) | 414 BIT(NL80211_IFTYPE_P2P_CLIENT) | 415 BIT(NL80211_IFTYPE_P2P_GO); 416 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 417 418 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 419 420 hw->wiphy->rts_threshold = 2347; 421 422 hw->queues = AC_MAX; 423 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; 424 425 /* TODO: Correct this value for our hw */ 426 /* TODO: define these hard code value */ 427 hw->max_listen_interval = 10; 428 hw->max_rate_tries = 4; 429 /* hw->max_rates = 1; */ 430 hw->sta_data_size = sizeof(struct rtl_sta_info); 431 432 /* wowlan is not supported by kernel if CONFIG_PM is not defined */ 433 #ifdef CONFIG_PM 434 if (rtlpriv->psc.wo_wlan_mode) { 435 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET) 436 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT; 437 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) { 438 rtlpriv->wowlan.n_patterns = 439 MAX_SUPPORT_WOL_PATTERN_NUM; 440 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE; 441 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE; 442 } 443 hw->wiphy->wowlan = &rtlpriv->wowlan; 444 } 445 #endif 446 447 /* <6> mac address */ 448 if (is_valid_ether_addr(rtlefuse->dev_addr)) { 449 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); 450 } else { 451 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; 452 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1); 453 SET_IEEE80211_PERM_ADDR(hw, rtlmac1); 454 } 455 } 456 457 static void _rtl_init_deferred_work(struct ieee80211_hw *hw) 458 { 459 struct rtl_priv *rtlpriv = rtl_priv(hw); 460 461 /* <1> timer */ 462 setup_timer(&rtlpriv->works.watchdog_timer, 463 rtl_watch_dog_timer_callback, (unsigned long)hw); 464 setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, 465 rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw); 466 /* <2> work queue */ 467 rtlpriv->works.hw = hw; 468 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); 469 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, 470 (void *)rtl_watchdog_wq_callback); 471 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, 472 (void *)rtl_ips_nic_off_wq_callback); 473 INIT_DELAYED_WORK(&rtlpriv->works.ps_work, 474 (void *)rtl_swlps_wq_callback); 475 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, 476 (void *)rtl_swlps_rfon_wq_callback); 477 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, 478 (void *)rtl_fwevt_wq_callback); 479 480 } 481 482 void rtl_deinit_deferred_work(struct ieee80211_hw *hw) 483 { 484 struct rtl_priv *rtlpriv = rtl_priv(hw); 485 486 del_timer_sync(&rtlpriv->works.watchdog_timer); 487 488 cancel_delayed_work(&rtlpriv->works.watchdog_wq); 489 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); 490 cancel_delayed_work(&rtlpriv->works.ps_work); 491 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 492 cancel_delayed_work(&rtlpriv->works.fwevt_wq); 493 } 494 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); 495 496 void rtl_init_rfkill(struct ieee80211_hw *hw) 497 { 498 struct rtl_priv *rtlpriv = rtl_priv(hw); 499 500 bool radio_state; 501 bool blocked; 502 u8 valid = 0; 503 504 /*set init state to on */ 505 rtlpriv->rfkill.rfkill_state = true; 506 wiphy_rfkill_set_hw_state(hw->wiphy, 0); 507 508 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 509 510 if (valid) { 511 pr_info("rtlwifi: wireless switch is %s\n", 512 rtlpriv->rfkill.rfkill_state ? "on" : "off"); 513 514 rtlpriv->rfkill.rfkill_state = radio_state; 515 516 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; 517 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 518 } 519 520 wiphy_rfkill_start_polling(hw->wiphy); 521 } 522 EXPORT_SYMBOL(rtl_init_rfkill); 523 524 void rtl_deinit_rfkill(struct ieee80211_hw *hw) 525 { 526 wiphy_rfkill_stop_polling(hw->wiphy); 527 } 528 EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); 529 530 int rtl_init_core(struct ieee80211_hw *hw) 531 { 532 struct rtl_priv *rtlpriv = rtl_priv(hw); 533 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 534 535 /* <1> init mac80211 */ 536 _rtl_init_mac80211(hw); 537 rtlmac->hw = hw; 538 539 /* <2> rate control register */ 540 hw->rate_control_algorithm = "rtl_rc"; 541 542 /* 543 * <3> init CRDA must come after init 544 * mac80211 hw in _rtl_init_mac80211. 545 */ 546 if (rtl_regd_init(hw, rtl_reg_notifier)) { 547 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "REGD init failed\n"); 548 return 1; 549 } 550 551 /* <4> locks */ 552 mutex_init(&rtlpriv->locks.conf_mutex); 553 spin_lock_init(&rtlpriv->locks.ips_lock); 554 spin_lock_init(&rtlpriv->locks.irq_th_lock); 555 spin_lock_init(&rtlpriv->locks.h2c_lock); 556 spin_lock_init(&rtlpriv->locks.rf_ps_lock); 557 spin_lock_init(&rtlpriv->locks.rf_lock); 558 spin_lock_init(&rtlpriv->locks.waitq_lock); 559 spin_lock_init(&rtlpriv->locks.entry_list_lock); 560 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); 561 spin_lock_init(&rtlpriv->locks.check_sendpkt_lock); 562 spin_lock_init(&rtlpriv->locks.fw_ps_lock); 563 spin_lock_init(&rtlpriv->locks.lps_lock); 564 spin_lock_init(&rtlpriv->locks.iqk_lock); 565 /* <5> init list */ 566 INIT_LIST_HEAD(&rtlpriv->entry_list); 567 568 rtlmac->link_state = MAC80211_NOLINK; 569 570 /* <6> init deferred work */ 571 _rtl_init_deferred_work(hw); 572 573 return 0; 574 } 575 EXPORT_SYMBOL_GPL(rtl_init_core); 576 577 void rtl_deinit_core(struct ieee80211_hw *hw) 578 { 579 } 580 EXPORT_SYMBOL_GPL(rtl_deinit_core); 581 582 void rtl_init_rx_config(struct ieee80211_hw *hw) 583 { 584 struct rtl_priv *rtlpriv = rtl_priv(hw); 585 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 586 587 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); 588 } 589 EXPORT_SYMBOL_GPL(rtl_init_rx_config); 590 591 /********************************************************* 592 * 593 * tx information functions 594 * 595 *********************************************************/ 596 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, 597 struct rtl_tcb_desc *tcb_desc, 598 struct ieee80211_tx_info *info) 599 { 600 struct rtl_priv *rtlpriv = rtl_priv(hw); 601 u8 rate_flag = info->control.rates[0].flags; 602 603 tcb_desc->use_shortpreamble = false; 604 605 /* 1M can only use Long Preamble. 11B spec */ 606 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) 607 return; 608 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 609 tcb_desc->use_shortpreamble = true; 610 611 return; 612 } 613 614 static void _rtl_query_shortgi(struct ieee80211_hw *hw, 615 struct ieee80211_sta *sta, 616 struct rtl_tcb_desc *tcb_desc, 617 struct ieee80211_tx_info *info) 618 { 619 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 620 u8 rate_flag = info->control.rates[0].flags; 621 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; 622 u8 sgi_80 = 0, bw_80 = 0; 623 tcb_desc->use_shortgi = false; 624 625 if (sta == NULL) 626 return; 627 628 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 629 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 630 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; 631 632 if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported)) 633 return; 634 635 if (!sgi_40 && !sgi_20) 636 return; 637 638 if (mac->opmode == NL80211_IFTYPE_STATION) { 639 bw_40 = mac->bw_40; 640 bw_80 = mac->bw_80; 641 } else if (mac->opmode == NL80211_IFTYPE_AP || 642 mac->opmode == NL80211_IFTYPE_ADHOC || 643 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 644 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; 645 bw_80 = sta->vht_cap.vht_supported; 646 } 647 648 if (bw_80) { 649 if (sgi_80) 650 tcb_desc->use_shortgi = true; 651 else 652 tcb_desc->use_shortgi = false; 653 } else { 654 if (bw_40 && sgi_40) 655 tcb_desc->use_shortgi = true; 656 else if (!bw_40 && sgi_20) 657 tcb_desc->use_shortgi = true; 658 } 659 660 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) 661 tcb_desc->use_shortgi = false; 662 } 663 664 static void _rtl_query_protection_mode(struct ieee80211_hw *hw, 665 struct rtl_tcb_desc *tcb_desc, 666 struct ieee80211_tx_info *info) 667 { 668 struct rtl_priv *rtlpriv = rtl_priv(hw); 669 u8 rate_flag = info->control.rates[0].flags; 670 671 /* Common Settings */ 672 tcb_desc->rts_stbc = false; 673 tcb_desc->cts_enable = false; 674 tcb_desc->rts_sc = 0; 675 tcb_desc->rts_bw = false; 676 tcb_desc->rts_use_shortpreamble = false; 677 tcb_desc->rts_use_shortgi = false; 678 679 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { 680 /* Use CTS-to-SELF in protection mode. */ 681 tcb_desc->rts_enable = true; 682 tcb_desc->cts_enable = true; 683 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 684 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { 685 /* Use RTS-CTS in protection mode. */ 686 tcb_desc->rts_enable = true; 687 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 688 } 689 } 690 691 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, 692 struct ieee80211_sta *sta, 693 struct rtl_tcb_desc *tcb_desc) 694 { 695 struct rtl_priv *rtlpriv = rtl_priv(hw); 696 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 697 struct rtl_sta_info *sta_entry = NULL; 698 u8 ratr_index = 7; 699 700 if (sta) { 701 sta_entry = (struct rtl_sta_info *) sta->drv_priv; 702 ratr_index = sta_entry->ratr_index; 703 } 704 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { 705 if (mac->opmode == NL80211_IFTYPE_STATION) { 706 tcb_desc->ratr_index = 0; 707 } else if (mac->opmode == NL80211_IFTYPE_ADHOC || 708 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 709 if (tcb_desc->multicast || tcb_desc->broadcast) { 710 tcb_desc->hw_rate = 711 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; 712 tcb_desc->use_driver_rate = 1; 713 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 714 } else { 715 tcb_desc->ratr_index = ratr_index; 716 } 717 } else if (mac->opmode == NL80211_IFTYPE_AP) { 718 tcb_desc->ratr_index = ratr_index; 719 } 720 } 721 722 if (rtlpriv->dm.useramask) { 723 tcb_desc->ratr_index = ratr_index; 724 /* TODO we will differentiate adhoc and station future */ 725 if (mac->opmode == NL80211_IFTYPE_STATION || 726 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 727 tcb_desc->mac_id = 0; 728 729 if (mac->mode == WIRELESS_MODE_AC_5G) 730 tcb_desc->ratr_index = 731 RATR_INX_WIRELESS_AC_5N; 732 else if (mac->mode == WIRELESS_MODE_AC_24G) 733 tcb_desc->ratr_index = 734 RATR_INX_WIRELESS_AC_24N; 735 else if (mac->mode == WIRELESS_MODE_N_24G) 736 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB; 737 else if (mac->mode == WIRELESS_MODE_N_5G) 738 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG; 739 else if (mac->mode & WIRELESS_MODE_G) 740 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB; 741 else if (mac->mode & WIRELESS_MODE_B) 742 tcb_desc->ratr_index = RATR_INX_WIRELESS_B; 743 else if (mac->mode & WIRELESS_MODE_A) 744 tcb_desc->ratr_index = RATR_INX_WIRELESS_G; 745 746 } else if (mac->opmode == NL80211_IFTYPE_AP || 747 mac->opmode == NL80211_IFTYPE_ADHOC) { 748 if (NULL != sta) { 749 if (sta->aid > 0) 750 tcb_desc->mac_id = sta->aid + 1; 751 else 752 tcb_desc->mac_id = 1; 753 } else { 754 tcb_desc->mac_id = 0; 755 } 756 } 757 } 758 } 759 760 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, 761 struct ieee80211_sta *sta, 762 struct rtl_tcb_desc *tcb_desc) 763 { 764 struct rtl_priv *rtlpriv = rtl_priv(hw); 765 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 766 767 tcb_desc->packet_bw = false; 768 if (!sta) 769 return; 770 if (mac->opmode == NL80211_IFTYPE_AP || 771 mac->opmode == NL80211_IFTYPE_ADHOC || 772 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 773 if (!(sta->ht_cap.ht_supported) || 774 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 775 return; 776 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 777 if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) 778 return; 779 } 780 if (tcb_desc->multicast || tcb_desc->broadcast) 781 return; 782 783 /*use legency rate, shall use 20MHz */ 784 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) 785 return; 786 787 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; 788 789 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE || 790 rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE) { 791 if (mac->opmode == NL80211_IFTYPE_AP || 792 mac->opmode == NL80211_IFTYPE_ADHOC || 793 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 794 if (!(sta->vht_cap.vht_supported)) 795 return; 796 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 797 if (!mac->bw_80 || 798 !(sta->vht_cap.vht_supported)) 799 return; 800 } 801 if (tcb_desc->hw_rate <= 802 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) 803 return; 804 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; 805 } 806 } 807 808 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, 809 struct ieee80211_sta *sta) 810 { 811 struct rtl_priv *rtlpriv = rtl_priv(hw); 812 struct rtl_phy *rtlphy = &(rtlpriv->phy); 813 u8 hw_rate; 814 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map); 815 816 if ((get_rf_type(rtlphy) == RF_2T2R) && 817 (tx_mcs_map & 0x000c) != 0x000c) { 818 if ((tx_mcs_map & 0x000c) >> 2 == 819 IEEE80211_VHT_MCS_SUPPORT_0_7) 820 hw_rate = 821 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; 822 else if ((tx_mcs_map & 0x000c) >> 2 == 823 IEEE80211_VHT_MCS_SUPPORT_0_8) 824 hw_rate = 825 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 826 else 827 hw_rate = 828 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 829 } else { 830 if ((tx_mcs_map & 0x0003) == 831 IEEE80211_VHT_MCS_SUPPORT_0_7) 832 hw_rate = 833 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; 834 else if ((tx_mcs_map & 0x0003) == 835 IEEE80211_VHT_MCS_SUPPORT_0_8) 836 hw_rate = 837 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 838 else 839 hw_rate = 840 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 841 } 842 843 return hw_rate; 844 } 845 846 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, 847 struct ieee80211_sta *sta) 848 { 849 struct rtl_priv *rtlpriv = rtl_priv(hw); 850 struct rtl_phy *rtlphy = &rtlpriv->phy; 851 u8 hw_rate; 852 853 if ((get_rf_type(rtlphy) == RF_2T2R) && 854 (sta->ht_cap.mcs.rx_mask[1] != 0)) 855 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; 856 else 857 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; 858 859 return hw_rate; 860 } 861 862 /* mac80211's rate_idx is like this: 863 * 864 * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ 865 * 866 * B/G rate: 867 * (rx_status->flag & RX_FLAG_HT) = 0, 868 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, 869 * 870 * N rate: 871 * (rx_status->flag & RX_FLAG_HT) = 1, 872 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 873 * 874 * 5G band:rx_status->band == IEEE80211_BAND_5GHZ 875 * A rate: 876 * (rx_status->flag & RX_FLAG_HT) = 0, 877 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, 878 * 879 * N rate: 880 * (rx_status->flag & RX_FLAG_HT) = 1, 881 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 882 * 883 * VHT rates: 884 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 885 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 886 */ 887 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, 888 u8 desc_rate) 889 { 890 int rate_idx; 891 892 if (isvht) { 893 switch (desc_rate) { 894 case DESC_RATEVHT1SS_MCS0: 895 rate_idx = 0; 896 break; 897 case DESC_RATEVHT1SS_MCS1: 898 rate_idx = 1; 899 break; 900 case DESC_RATEVHT1SS_MCS2: 901 rate_idx = 2; 902 break; 903 case DESC_RATEVHT1SS_MCS3: 904 rate_idx = 3; 905 break; 906 case DESC_RATEVHT1SS_MCS4: 907 rate_idx = 4; 908 break; 909 case DESC_RATEVHT1SS_MCS5: 910 rate_idx = 5; 911 break; 912 case DESC_RATEVHT1SS_MCS6: 913 rate_idx = 6; 914 break; 915 case DESC_RATEVHT1SS_MCS7: 916 rate_idx = 7; 917 break; 918 case DESC_RATEVHT1SS_MCS8: 919 rate_idx = 8; 920 break; 921 case DESC_RATEVHT1SS_MCS9: 922 rate_idx = 9; 923 break; 924 case DESC_RATEVHT2SS_MCS0: 925 rate_idx = 0; 926 break; 927 case DESC_RATEVHT2SS_MCS1: 928 rate_idx = 1; 929 break; 930 case DESC_RATEVHT2SS_MCS2: 931 rate_idx = 2; 932 break; 933 case DESC_RATEVHT2SS_MCS3: 934 rate_idx = 3; 935 break; 936 case DESC_RATEVHT2SS_MCS4: 937 rate_idx = 4; 938 break; 939 case DESC_RATEVHT2SS_MCS5: 940 rate_idx = 5; 941 break; 942 case DESC_RATEVHT2SS_MCS6: 943 rate_idx = 6; 944 break; 945 case DESC_RATEVHT2SS_MCS7: 946 rate_idx = 7; 947 break; 948 case DESC_RATEVHT2SS_MCS8: 949 rate_idx = 8; 950 break; 951 case DESC_RATEVHT2SS_MCS9: 952 rate_idx = 9; 953 break; 954 default: 955 rate_idx = 0; 956 break; 957 } 958 return rate_idx; 959 } 960 if (false == isht) { 961 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 962 switch (desc_rate) { 963 case DESC_RATE1M: 964 rate_idx = 0; 965 break; 966 case DESC_RATE2M: 967 rate_idx = 1; 968 break; 969 case DESC_RATE5_5M: 970 rate_idx = 2; 971 break; 972 case DESC_RATE11M: 973 rate_idx = 3; 974 break; 975 case DESC_RATE6M: 976 rate_idx = 4; 977 break; 978 case DESC_RATE9M: 979 rate_idx = 5; 980 break; 981 case DESC_RATE12M: 982 rate_idx = 6; 983 break; 984 case DESC_RATE18M: 985 rate_idx = 7; 986 break; 987 case DESC_RATE24M: 988 rate_idx = 8; 989 break; 990 case DESC_RATE36M: 991 rate_idx = 9; 992 break; 993 case DESC_RATE48M: 994 rate_idx = 10; 995 break; 996 case DESC_RATE54M: 997 rate_idx = 11; 998 break; 999 default: 1000 rate_idx = 0; 1001 break; 1002 } 1003 } else { 1004 switch (desc_rate) { 1005 case DESC_RATE6M: 1006 rate_idx = 0; 1007 break; 1008 case DESC_RATE9M: 1009 rate_idx = 1; 1010 break; 1011 case DESC_RATE12M: 1012 rate_idx = 2; 1013 break; 1014 case DESC_RATE18M: 1015 rate_idx = 3; 1016 break; 1017 case DESC_RATE24M: 1018 rate_idx = 4; 1019 break; 1020 case DESC_RATE36M: 1021 rate_idx = 5; 1022 break; 1023 case DESC_RATE48M: 1024 rate_idx = 6; 1025 break; 1026 case DESC_RATE54M: 1027 rate_idx = 7; 1028 break; 1029 default: 1030 rate_idx = 0; 1031 break; 1032 } 1033 } 1034 } else { 1035 switch (desc_rate) { 1036 case DESC_RATEMCS0: 1037 rate_idx = 0; 1038 break; 1039 case DESC_RATEMCS1: 1040 rate_idx = 1; 1041 break; 1042 case DESC_RATEMCS2: 1043 rate_idx = 2; 1044 break; 1045 case DESC_RATEMCS3: 1046 rate_idx = 3; 1047 break; 1048 case DESC_RATEMCS4: 1049 rate_idx = 4; 1050 break; 1051 case DESC_RATEMCS5: 1052 rate_idx = 5; 1053 break; 1054 case DESC_RATEMCS6: 1055 rate_idx = 6; 1056 break; 1057 case DESC_RATEMCS7: 1058 rate_idx = 7; 1059 break; 1060 case DESC_RATEMCS8: 1061 rate_idx = 8; 1062 break; 1063 case DESC_RATEMCS9: 1064 rate_idx = 9; 1065 break; 1066 case DESC_RATEMCS10: 1067 rate_idx = 10; 1068 break; 1069 case DESC_RATEMCS11: 1070 rate_idx = 11; 1071 break; 1072 case DESC_RATEMCS12: 1073 rate_idx = 12; 1074 break; 1075 case DESC_RATEMCS13: 1076 rate_idx = 13; 1077 break; 1078 case DESC_RATEMCS14: 1079 rate_idx = 14; 1080 break; 1081 case DESC_RATEMCS15: 1082 rate_idx = 15; 1083 break; 1084 default: 1085 rate_idx = 0; 1086 break; 1087 } 1088 } 1089 return rate_idx; 1090 } 1091 EXPORT_SYMBOL(rtlwifi_rate_mapping); 1092 1093 void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1094 struct ieee80211_tx_info *info, 1095 struct ieee80211_sta *sta, 1096 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1097 { 1098 struct rtl_priv *rtlpriv = rtl_priv(hw); 1099 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1100 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1101 struct ieee80211_rate *txrate; 1102 __le16 fc = rtl_get_fc(skb); 1103 1104 txrate = ieee80211_get_tx_rate(hw, info); 1105 if (txrate) 1106 tcb_desc->hw_rate = txrate->hw_value; 1107 1108 if (ieee80211_is_data(fc)) { 1109 /* 1110 *we set data rate INX 0 1111 *in rtl_rc.c if skb is special data or 1112 *mgt which need low data rate. 1113 */ 1114 1115 /* 1116 *So tcb_desc->hw_rate is just used for 1117 *special data and mgt frames 1118 */ 1119 if (info->control.rates[0].idx == 0 || 1120 ieee80211_is_nullfunc(fc)) { 1121 tcb_desc->use_driver_rate = true; 1122 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 1123 1124 tcb_desc->disable_ratefallback = 1; 1125 } else { 1126 /* 1127 *because hw will nerver use hw_rate 1128 *when tcb_desc->use_driver_rate = false 1129 *so we never set highest N rate here, 1130 *and N rate will all be controlled by FW 1131 *when tcb_desc->use_driver_rate = false 1132 */ 1133 if (sta && sta->vht_cap.vht_supported) { 1134 tcb_desc->hw_rate = 1135 _rtl_get_vht_highest_n_rate(hw, sta); 1136 } else { 1137 if (sta && (sta->ht_cap.ht_supported)) { 1138 tcb_desc->hw_rate = 1139 _rtl_get_highest_n_rate(hw, sta); 1140 } else { 1141 if (rtlmac->mode == WIRELESS_MODE_B) { 1142 tcb_desc->hw_rate = 1143 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1144 } else { 1145 tcb_desc->hw_rate = 1146 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1147 } 1148 } 1149 } 1150 } 1151 1152 if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) 1153 tcb_desc->multicast = 1; 1154 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr))) 1155 tcb_desc->broadcast = 1; 1156 1157 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1158 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1159 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1160 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1161 _rtl_query_protection_mode(hw, tcb_desc, info); 1162 } else { 1163 tcb_desc->use_driver_rate = true; 1164 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 1165 tcb_desc->disable_ratefallback = 1; 1166 tcb_desc->mac_id = 0; 1167 tcb_desc->packet_bw = false; 1168 } 1169 } 1170 EXPORT_SYMBOL(rtl_get_tcb_desc); 1171 1172 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1173 { 1174 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1175 struct rtl_priv *rtlpriv = rtl_priv(hw); 1176 __le16 fc = rtl_get_fc(skb); 1177 1178 if (rtlpriv->dm.supp_phymode_switch && 1179 mac->link_state < MAC80211_LINKED && 1180 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { 1181 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1182 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1183 } 1184 if (ieee80211_is_auth(fc)) { 1185 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); 1186 rtl_ips_nic_on(hw); 1187 1188 mac->link_state = MAC80211_LINKING; 1189 /* Dul mac */ 1190 rtlpriv->phy.need_iqk = true; 1191 1192 } 1193 1194 return true; 1195 } 1196 EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1197 1198 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1199 u8 *bssid, u16 tid); 1200 1201 static void process_agg_start(struct ieee80211_hw *hw, 1202 struct ieee80211_hdr *hdr, u16 tid) 1203 { 1204 struct rtl_priv *rtlpriv = rtl_priv(hw); 1205 struct ieee80211_rx_status rx_status = { 0 }; 1206 struct sk_buff *skb_delba = NULL; 1207 1208 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); 1209 if (skb_delba) { 1210 rx_status.freq = hw->conf.chandef.chan->center_freq; 1211 rx_status.band = hw->conf.chandef.chan->band; 1212 rx_status.flag |= RX_FLAG_DECRYPTED; 1213 rx_status.flag |= RX_FLAG_MACTIME_START; 1214 rx_status.rate_idx = 0; 1215 rx_status.signal = 50 + 10; 1216 memcpy(IEEE80211_SKB_RXCB(skb_delba), 1217 &rx_status, sizeof(rx_status)); 1218 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, 1219 "fake del\n", 1220 skb_delba->data, 1221 skb_delba->len); 1222 ieee80211_rx_irqsafe(hw, skb_delba); 1223 } 1224 } 1225 1226 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1227 { 1228 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1229 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1230 struct rtl_priv *rtlpriv = rtl_priv(hw); 1231 __le16 fc = rtl_get_fc(skb); 1232 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); 1233 u8 category; 1234 1235 if (!ieee80211_is_action(fc)) 1236 return true; 1237 1238 category = *act; 1239 act++; 1240 switch (category) { 1241 case ACT_CAT_BA: 1242 switch (*act) { 1243 case ACT_ADDBAREQ: 1244 if (mac->act_scanning) 1245 return false; 1246 1247 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1248 "%s ACT_ADDBAREQ From :%pM\n", 1249 is_tx ? "Tx" : "Rx", hdr->addr2); 1250 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", 1251 skb->data, skb->len); 1252 if (!is_tx) { 1253 struct ieee80211_sta *sta = NULL; 1254 struct rtl_sta_info *sta_entry = NULL; 1255 struct rtl_tid_data *tid_data; 1256 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1257 u16 capab = 0, tid = 0; 1258 1259 rcu_read_lock(); 1260 sta = rtl_find_sta(hw, hdr->addr3); 1261 if (sta == NULL) { 1262 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV, 1263 DBG_DMESG, "sta is NULL\n"); 1264 rcu_read_unlock(); 1265 return true; 1266 } 1267 1268 sta_entry = 1269 (struct rtl_sta_info *)sta->drv_priv; 1270 if (!sta_entry) { 1271 rcu_read_unlock(); 1272 return true; 1273 } 1274 capab = 1275 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1276 tid = (capab & 1277 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1278 tid_data = &sta_entry->tids[tid]; 1279 if (tid_data->agg.rx_agg_state == 1280 RTL_RX_AGG_START) 1281 process_agg_start(hw, hdr, tid); 1282 rcu_read_unlock(); 1283 } 1284 break; 1285 case ACT_ADDBARSP: 1286 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1287 "%s ACT_ADDBARSP From :%pM\n", 1288 is_tx ? "Tx" : "Rx", hdr->addr2); 1289 break; 1290 case ACT_DELBA: 1291 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1292 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1293 break; 1294 } 1295 break; 1296 default: 1297 break; 1298 } 1299 1300 return true; 1301 } 1302 EXPORT_SYMBOL_GPL(rtl_action_proc); 1303 1304 static void setup_arp_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc) 1305 { 1306 rtlpriv->ra.is_special_data = true; 1307 if (rtlpriv->cfg->ops->get_btc_status()) 1308 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1309 rtlpriv, 1); 1310 rtlpriv->enter_ps = false; 1311 schedule_work(&rtlpriv->works.lps_change_work); 1312 ppsc->last_delaylps_stamp_jiffies = jiffies; 1313 } 1314 1315 /*should call before software enc*/ 1316 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, 1317 bool is_enc) 1318 { 1319 struct rtl_priv *rtlpriv = rtl_priv(hw); 1320 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1321 __le16 fc = rtl_get_fc(skb); 1322 u16 ether_type; 1323 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1324 u8 encrypt_header_len = 0; 1325 u8 offset; 1326 const struct iphdr *ip; 1327 1328 if (!ieee80211_is_data(fc)) 1329 goto end; 1330 1331 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1332 case WEP40_ENCRYPTION: 1333 case WEP104_ENCRYPTION: 1334 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1335 break; 1336 case TKIP_ENCRYPTION: 1337 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1338 break; 1339 case AESCCMP_ENCRYPTION: 1340 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1341 break; 1342 default: 1343 break; 1344 } 1345 1346 offset = mac_hdr_len + SNAP_SIZE; 1347 if (is_enc) 1348 offset += encrypt_header_len; 1349 ether_type = be16_to_cpup((__be16 *)(skb->data + offset)); 1350 1351 if (ETH_P_IP == ether_type) { 1352 ip = (struct iphdr *)((u8 *)skb->data + offset + 1353 PROTOC_TYPE_SIZE); 1354 if (IPPROTO_UDP == ip->protocol) { 1355 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1356 (ip->ihl << 2)); 1357 if (((((u8 *)udp)[1] == 68) && 1358 (((u8 *)udp)[3] == 67)) || 1359 ((((u8 *)udp)[1] == 67) && 1360 (((u8 *)udp)[3] == 68))) { 1361 /* 68 : UDP BOOTP client 1362 * 67 : UDP BOOTP server 1363 */ 1364 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), 1365 DBG_DMESG, "dhcp %s !!\n", 1366 (is_tx) ? "Tx" : "Rx"); 1367 1368 if (is_tx) 1369 setup_arp_tx(rtlpriv, ppsc); 1370 return true; 1371 } 1372 } 1373 } else if (ETH_P_ARP == ether_type) { 1374 if (is_tx) 1375 setup_arp_tx(rtlpriv, ppsc); 1376 1377 return true; 1378 } else if (ETH_P_PAE == ether_type) { 1379 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1380 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1381 1382 if (is_tx) { 1383 rtlpriv->ra.is_special_data = true; 1384 rtlpriv->enter_ps = false; 1385 schedule_work(&rtlpriv->works.lps_change_work); 1386 ppsc->last_delaylps_stamp_jiffies = jiffies; 1387 } 1388 1389 return true; 1390 } else if (ETH_P_IPV6 == ether_type) { 1391 /* TODO: Handle any IPv6 cases that need special handling. 1392 * For now, always return false 1393 */ 1394 goto end; 1395 } 1396 1397 end: 1398 rtlpriv->ra.is_special_data = false; 1399 return false; 1400 } 1401 EXPORT_SYMBOL_GPL(rtl_is_special_data); 1402 1403 /********************************************************* 1404 * 1405 * functions called by core.c 1406 * 1407 *********************************************************/ 1408 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1409 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1410 { 1411 struct rtl_priv *rtlpriv = rtl_priv(hw); 1412 struct rtl_tid_data *tid_data; 1413 struct rtl_sta_info *sta_entry = NULL; 1414 1415 if (sta == NULL) 1416 return -EINVAL; 1417 1418 if (unlikely(tid >= MAX_TID_COUNT)) 1419 return -EINVAL; 1420 1421 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1422 if (!sta_entry) 1423 return -ENXIO; 1424 tid_data = &sta_entry->tids[tid]; 1425 1426 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1427 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1428 tid_data->seq_number); 1429 1430 *ssn = tid_data->seq_number; 1431 tid_data->agg.agg_state = RTL_AGG_START; 1432 1433 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1434 return 0; 1435 } 1436 1437 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1438 struct ieee80211_sta *sta, u16 tid) 1439 { 1440 struct rtl_priv *rtlpriv = rtl_priv(hw); 1441 struct rtl_tid_data *tid_data; 1442 struct rtl_sta_info *sta_entry = NULL; 1443 1444 if (sta == NULL) 1445 return -EINVAL; 1446 1447 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1448 "on ra = %pM tid = %d\n", sta->addr, tid); 1449 1450 if (unlikely(tid >= MAX_TID_COUNT)) 1451 return -EINVAL; 1452 1453 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1454 tid_data = &sta_entry->tids[tid]; 1455 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1456 1457 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1458 return 0; 1459 } 1460 1461 int rtl_rx_agg_start(struct ieee80211_hw *hw, 1462 struct ieee80211_sta *sta, u16 tid) 1463 { 1464 struct rtl_priv *rtlpriv = rtl_priv(hw); 1465 struct rtl_tid_data *tid_data; 1466 struct rtl_sta_info *sta_entry = NULL; 1467 1468 if (sta == NULL) 1469 return -EINVAL; 1470 1471 if (unlikely(tid >= MAX_TID_COUNT)) 1472 return -EINVAL; 1473 1474 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1475 if (!sta_entry) 1476 return -ENXIO; 1477 tid_data = &sta_entry->tids[tid]; 1478 1479 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, 1480 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1481 tid_data->seq_number); 1482 1483 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1484 return 0; 1485 } 1486 1487 int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1488 struct ieee80211_sta *sta, u16 tid) 1489 { 1490 struct rtl_priv *rtlpriv = rtl_priv(hw); 1491 struct rtl_sta_info *sta_entry = NULL; 1492 1493 if (sta == NULL) 1494 return -EINVAL; 1495 1496 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1497 "on ra = %pM tid = %d\n", sta->addr, tid); 1498 1499 if (unlikely(tid >= MAX_TID_COUNT)) 1500 return -EINVAL; 1501 1502 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1503 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1504 1505 return 0; 1506 } 1507 int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1508 struct ieee80211_sta *sta, u16 tid) 1509 { 1510 struct rtl_priv *rtlpriv = rtl_priv(hw); 1511 struct rtl_sta_info *sta_entry = NULL; 1512 1513 if (sta == NULL) 1514 return -EINVAL; 1515 1516 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1517 "on ra = %pM tid = %d\n", sta->addr, tid); 1518 1519 if (unlikely(tid >= MAX_TID_COUNT)) 1520 return -EINVAL; 1521 1522 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1523 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1524 1525 return 0; 1526 } 1527 1528 /********************************************************* 1529 * 1530 * wq & timer callback functions 1531 * 1532 *********************************************************/ 1533 /* this function is used for roaming */ 1534 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1535 { 1536 struct rtl_priv *rtlpriv = rtl_priv(hw); 1537 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1538 1539 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1540 return; 1541 1542 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1543 return; 1544 1545 /* check if this really is a beacon */ 1546 if (!ieee80211_is_beacon(hdr->frame_control) && 1547 !ieee80211_is_probe_resp(hdr->frame_control)) 1548 return; 1549 1550 /* min. beacon length + FCS_LEN */ 1551 if (skb->len <= 40 + FCS_LEN) 1552 return; 1553 1554 /* and only beacons from the associated BSSID, please */ 1555 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1556 return; 1557 1558 rtlpriv->link_info.bcn_rx_inperiod++; 1559 } 1560 EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1561 1562 void rtl_watchdog_wq_callback(void *data) 1563 { 1564 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 1565 struct rtl_works, 1566 watchdog_wq); 1567 struct ieee80211_hw *hw = rtlworks->hw; 1568 struct rtl_priv *rtlpriv = rtl_priv(hw); 1569 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1570 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1571 bool busytraffic = false; 1572 bool tx_busy_traffic = false; 1573 bool rx_busy_traffic = false; 1574 bool higher_busytraffic = false; 1575 bool higher_busyrxtraffic = false; 1576 u8 idx, tid; 1577 u32 rx_cnt_inp4eriod = 0; 1578 u32 tx_cnt_inp4eriod = 0; 1579 u32 aver_rx_cnt_inperiod = 0; 1580 u32 aver_tx_cnt_inperiod = 0; 1581 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 1582 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 1583 1584 if (is_hal_stop(rtlhal)) 1585 return; 1586 1587 /* <1> Determine if action frame is allowed */ 1588 if (mac->link_state > MAC80211_NOLINK) { 1589 if (mac->cnt_after_linked < 20) 1590 mac->cnt_after_linked++; 1591 } else { 1592 mac->cnt_after_linked = 0; 1593 } 1594 1595 /* <2> to check if traffic busy, if 1596 * busytraffic we don't change channel 1597 */ 1598 if (mac->link_state >= MAC80211_LINKED) { 1599 1600 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 1601 for (idx = 0; idx <= 2; idx++) { 1602 rtlpriv->link_info.num_rx_in4period[idx] = 1603 rtlpriv->link_info.num_rx_in4period[idx + 1]; 1604 rtlpriv->link_info.num_tx_in4period[idx] = 1605 rtlpriv->link_info.num_tx_in4period[idx + 1]; 1606 } 1607 rtlpriv->link_info.num_rx_in4period[3] = 1608 rtlpriv->link_info.num_rx_inperiod; 1609 rtlpriv->link_info.num_tx_in4period[3] = 1610 rtlpriv->link_info.num_tx_inperiod; 1611 for (idx = 0; idx <= 3; idx++) { 1612 rx_cnt_inp4eriod += 1613 rtlpriv->link_info.num_rx_in4period[idx]; 1614 tx_cnt_inp4eriod += 1615 rtlpriv->link_info.num_tx_in4period[idx]; 1616 } 1617 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 1618 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 1619 1620 /* (2) check traffic busy */ 1621 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 1622 busytraffic = true; 1623 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 1624 rx_busy_traffic = true; 1625 else 1626 tx_busy_traffic = false; 1627 } 1628 1629 /* Higher Tx/Rx data. */ 1630 if (aver_rx_cnt_inperiod > 4000 || 1631 aver_tx_cnt_inperiod > 4000) { 1632 higher_busytraffic = true; 1633 1634 /* Extremely high Rx data. */ 1635 if (aver_rx_cnt_inperiod > 5000) 1636 higher_busyrxtraffic = true; 1637 } 1638 1639 /* check every tid's tx traffic */ 1640 for (tid = 0; tid <= 7; tid++) { 1641 for (idx = 0; idx <= 2; idx++) 1642 rtlpriv->link_info.tidtx_in4period[tid][idx] = 1643 rtlpriv->link_info.tidtx_in4period[tid] 1644 [idx + 1]; 1645 rtlpriv->link_info.tidtx_in4period[tid][3] = 1646 rtlpriv->link_info.tidtx_inperiod[tid]; 1647 1648 for (idx = 0; idx <= 3; idx++) 1649 tidtx_inp4eriod[tid] += 1650 rtlpriv->link_info.tidtx_in4period[tid][idx]; 1651 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 1652 if (aver_tidtx_inperiod[tid] > 5000) 1653 rtlpriv->link_info.higher_busytxtraffic[tid] = 1654 true; 1655 else 1656 rtlpriv->link_info.higher_busytxtraffic[tid] = 1657 false; 1658 } 1659 1660 if (((rtlpriv->link_info.num_rx_inperiod + 1661 rtlpriv->link_info.num_tx_inperiod) > 8) || 1662 (rtlpriv->link_info.num_rx_inperiod > 2)) 1663 rtl_lps_enter(hw); 1664 else 1665 rtl_lps_leave(hw); 1666 } 1667 1668 rtlpriv->link_info.num_rx_inperiod = 0; 1669 rtlpriv->link_info.num_tx_inperiod = 0; 1670 for (tid = 0; tid <= 7; tid++) 1671 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 1672 1673 rtlpriv->link_info.busytraffic = busytraffic; 1674 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 1675 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 1676 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 1677 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 1678 1679 /* <3> DM */ 1680 if (!rtlpriv->cfg->mod_params->disable_watchdog) 1681 rtlpriv->cfg->ops->dm_watchdog(hw); 1682 1683 /* <4> roaming */ 1684 if (mac->link_state == MAC80211_LINKED && 1685 mac->opmode == NL80211_IFTYPE_STATION) { 1686 if ((rtlpriv->link_info.bcn_rx_inperiod + 1687 rtlpriv->link_info.num_rx_inperiod) == 0) { 1688 rtlpriv->link_info.roam_times++; 1689 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 1690 "AP off for %d s\n", 1691 (rtlpriv->link_info.roam_times * 2)); 1692 1693 /* if we can't recv beacon for 10s, 1694 * we should reconnect this AP 1695 */ 1696 if (rtlpriv->link_info.roam_times >= 5) { 1697 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 1698 "AP off, try to reconnect now\n"); 1699 rtlpriv->link_info.roam_times = 0; 1700 ieee80211_connection_loss( 1701 rtlpriv->mac80211.vif); 1702 } 1703 } else { 1704 rtlpriv->link_info.roam_times = 0; 1705 } 1706 } 1707 1708 if (rtlpriv->cfg->ops->get_btc_status()) 1709 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 1710 1711 rtlpriv->link_info.bcn_rx_inperiod = 0; 1712 } 1713 1714 void rtl_watch_dog_timer_callback(unsigned long data) 1715 { 1716 struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 1717 struct rtl_priv *rtlpriv = rtl_priv(hw); 1718 1719 queue_delayed_work(rtlpriv->works.rtl_wq, 1720 &rtlpriv->works.watchdog_wq, 0); 1721 1722 mod_timer(&rtlpriv->works.watchdog_timer, 1723 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 1724 } 1725 void rtl_fwevt_wq_callback(void *data) 1726 { 1727 struct rtl_works *rtlworks = 1728 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); 1729 struct ieee80211_hw *hw = rtlworks->hw; 1730 struct rtl_priv *rtlpriv = rtl_priv(hw); 1731 1732 rtlpriv->cfg->ops->c2h_command_handle(hw); 1733 } 1734 void rtl_easy_concurrent_retrytimer_callback(unsigned long data) 1735 { 1736 struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 1737 struct rtl_priv *rtlpriv = rtl_priv(hw); 1738 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; 1739 1740 if (buddy_priv == NULL) 1741 return; 1742 1743 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); 1744 } 1745 /********************************************************* 1746 * 1747 * frame process functions 1748 * 1749 *********************************************************/ 1750 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 1751 { 1752 struct ieee80211_mgmt *mgmt = (void *)data; 1753 u8 *pos, *end; 1754 1755 pos = (u8 *)mgmt->u.beacon.variable; 1756 end = data + len; 1757 while (pos < end) { 1758 if (pos + 2 + pos[1] > end) 1759 return NULL; 1760 1761 if (pos[0] == ie) 1762 return pos; 1763 1764 pos += 2 + pos[1]; 1765 } 1766 return NULL; 1767 } 1768 1769 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 1770 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 1771 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 1772 enum ieee80211_smps_mode smps, 1773 u8 *da, u8 *bssid) 1774 { 1775 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 1776 struct sk_buff *skb; 1777 struct ieee80211_mgmt *action_frame; 1778 1779 /* 27 = header + category + action + smps mode */ 1780 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 1781 if (!skb) 1782 return NULL; 1783 1784 skb_reserve(skb, hw->extra_tx_headroom); 1785 action_frame = (void *)skb_put(skb, 27); 1786 memset(action_frame, 0, 27); 1787 memcpy(action_frame->da, da, ETH_ALEN); 1788 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 1789 memcpy(action_frame->bssid, bssid, ETH_ALEN); 1790 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 1791 IEEE80211_STYPE_ACTION); 1792 action_frame->u.action.category = WLAN_CATEGORY_HT; 1793 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 1794 switch (smps) { 1795 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 1796 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 1797 WARN_ON(1); 1798 /* Here will get a 'MISSING_BREAK' in Coverity Test, just ignore it. 1799 * According to Kernel Code, here is right. 1800 */ 1801 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 1802 action_frame->u.action.u.ht_smps.smps_control = 1803 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 1804 break; 1805 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 1806 action_frame->u.action.u.ht_smps.smps_control = 1807 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 1808 break; 1809 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 1810 action_frame->u.action.u.ht_smps.smps_control = 1811 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 1812 break; 1813 } 1814 1815 return skb; 1816 } 1817 1818 int rtl_send_smps_action(struct ieee80211_hw *hw, 1819 struct ieee80211_sta *sta, 1820 enum ieee80211_smps_mode smps) 1821 { 1822 struct rtl_priv *rtlpriv = rtl_priv(hw); 1823 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1824 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1825 struct sk_buff *skb = NULL; 1826 struct rtl_tcb_desc tcb_desc; 1827 u8 bssid[ETH_ALEN] = {0}; 1828 1829 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1830 1831 if (rtlpriv->mac80211.act_scanning) 1832 goto err_free; 1833 1834 if (!sta) 1835 goto err_free; 1836 1837 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 1838 goto err_free; 1839 1840 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1841 goto err_free; 1842 1843 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 1844 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 1845 else 1846 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 1847 1848 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 1849 /* this is a type = mgmt * stype = action frame */ 1850 if (skb) { 1851 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 1852 struct rtl_sta_info *sta_entry = 1853 (struct rtl_sta_info *) sta->drv_priv; 1854 sta_entry->mimo_ps = smps; 1855 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */ 1856 1857 info->control.rates[0].idx = 0; 1858 info->band = hw->conf.chandef.chan->band; 1859 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 1860 } 1861 return 1; 1862 1863 err_free: 1864 return 0; 1865 } 1866 EXPORT_SYMBOL(rtl_send_smps_action); 1867 1868 void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 1869 { 1870 struct rtl_priv *rtlpriv = rtl_priv(hw); 1871 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1872 enum io_type iotype; 1873 1874 if (!is_hal_stop(rtlhal)) { 1875 switch (operation) { 1876 case SCAN_OPT_BACKUP: 1877 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 1878 rtlpriv->cfg->ops->set_hw_reg(hw, 1879 HW_VAR_IO_CMD, 1880 (u8 *)&iotype); 1881 break; 1882 case SCAN_OPT_RESTORE: 1883 iotype = IO_CMD_RESUME_DM_BY_SCAN; 1884 rtlpriv->cfg->ops->set_hw_reg(hw, 1885 HW_VAR_IO_CMD, 1886 (u8 *)&iotype); 1887 break; 1888 default: 1889 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 1890 "Unknown Scan Backup operation.\n"); 1891 break; 1892 } 1893 } 1894 } 1895 EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 1896 1897 /* because mac80211 have issues when can receive del ba 1898 * so here we just make a fake del_ba if we receive a ba_req 1899 * but rx_agg was opened to let mac80211 release some ba 1900 * related resources, so please this del_ba for tx 1901 */ 1902 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 1903 u8 *sa, u8 *bssid, u16 tid) 1904 { 1905 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 1906 struct sk_buff *skb; 1907 struct ieee80211_mgmt *action_frame; 1908 u16 params; 1909 1910 /* 27 = header + category + action + smps mode */ 1911 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 1912 if (!skb) 1913 return NULL; 1914 1915 skb_reserve(skb, hw->extra_tx_headroom); 1916 action_frame = (void *)skb_put(skb, 34); 1917 memset(action_frame, 0, 34); 1918 memcpy(action_frame->sa, sa, ETH_ALEN); 1919 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 1920 memcpy(action_frame->bssid, bssid, ETH_ALEN); 1921 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 1922 IEEE80211_STYPE_ACTION); 1923 action_frame->u.action.category = WLAN_CATEGORY_BACK; 1924 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 1925 params = (u16)(1 << 11); /* bit 11 initiator */ 1926 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 1927 1928 action_frame->u.action.u.delba.params = cpu_to_le16(params); 1929 action_frame->u.action.u.delba.reason_code = 1930 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 1931 1932 return skb; 1933 } 1934 1935 /********************************************************* 1936 * 1937 * IOT functions 1938 * 1939 *********************************************************/ 1940 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 1941 struct octet_string vendor_ie) 1942 { 1943 struct rtl_priv *rtlpriv = rtl_priv(hw); 1944 bool matched = false; 1945 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 1946 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 1947 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 1948 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 1949 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 1950 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 1951 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 1952 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 1953 1954 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 1955 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 1956 rtlpriv->mac80211.vendor = PEER_ATH; 1957 matched = true; 1958 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 1959 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 1960 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 1961 rtlpriv->mac80211.vendor = PEER_BROAD; 1962 matched = true; 1963 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 1964 rtlpriv->mac80211.vendor = PEER_RAL; 1965 matched = true; 1966 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 1967 rtlpriv->mac80211.vendor = PEER_CISCO; 1968 matched = true; 1969 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 1970 rtlpriv->mac80211.vendor = PEER_MARV; 1971 matched = true; 1972 } 1973 1974 return matched; 1975 } 1976 1977 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 1978 unsigned int len) 1979 { 1980 struct ieee80211_mgmt *mgmt = (void *)data; 1981 struct octet_string vendor_ie; 1982 u8 *pos, *end; 1983 1984 pos = (u8 *)mgmt->u.beacon.variable; 1985 end = data + len; 1986 while (pos < end) { 1987 if (pos[0] == 221) { 1988 vendor_ie.length = pos[1]; 1989 vendor_ie.octet = &pos[2]; 1990 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 1991 return true; 1992 } 1993 1994 if (pos + 2 + pos[1] > end) 1995 return false; 1996 1997 pos += 2 + pos[1]; 1998 } 1999 return false; 2000 } 2001 2002 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 2003 { 2004 struct rtl_priv *rtlpriv = rtl_priv(hw); 2005 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2006 struct ieee80211_hdr *hdr = (void *)data; 2007 u32 vendor = PEER_UNKNOWN; 2008 2009 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 2010 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 2011 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 2012 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 2013 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 2014 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 2015 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 2016 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 2017 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 2018 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 2019 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 2020 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 2021 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 2022 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 2023 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 2024 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 2025 2026 if (mac->opmode != NL80211_IFTYPE_STATION) 2027 return; 2028 2029 if (mac->link_state == MAC80211_NOLINK) { 2030 mac->vendor = PEER_UNKNOWN; 2031 return; 2032 } 2033 2034 if (mac->cnt_after_linked > 2) 2035 return; 2036 2037 /* check if this really is a beacon */ 2038 if (!ieee80211_is_beacon(hdr->frame_control)) 2039 return; 2040 2041 /* min. beacon length + FCS_LEN */ 2042 if (len <= 40 + FCS_LEN) 2043 return; 2044 2045 /* and only beacons from the associated BSSID, please */ 2046 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 2047 return; 2048 2049 if (rtl_find_221_ie(hw, data, len)) 2050 vendor = mac->vendor; 2051 2052 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 2053 (memcmp(mac->bssid, ap5_2, 3) == 0) || 2054 (memcmp(mac->bssid, ap5_3, 3) == 0) || 2055 (memcmp(mac->bssid, ap5_4, 3) == 0) || 2056 (memcmp(mac->bssid, ap5_5, 3) == 0) || 2057 (memcmp(mac->bssid, ap5_6, 3) == 0) || 2058 vendor == PEER_ATH) { 2059 vendor = PEER_ATH; 2060 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 2061 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 2062 (memcmp(mac->bssid, ap4_5, 3) == 0) || 2063 (memcmp(mac->bssid, ap4_1, 3) == 0) || 2064 (memcmp(mac->bssid, ap4_2, 3) == 0) || 2065 (memcmp(mac->bssid, ap4_3, 3) == 0) || 2066 vendor == PEER_RAL) { 2067 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 2068 vendor = PEER_RAL; 2069 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 2070 vendor == PEER_CISCO) { 2071 vendor = PEER_CISCO; 2072 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 2073 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 2074 (memcmp(mac->bssid, ap3_2, 3) == 0) || 2075 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2076 vendor == PEER_BROAD) { 2077 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2078 vendor = PEER_BROAD; 2079 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2080 vendor == PEER_MARV) { 2081 vendor = PEER_MARV; 2082 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2083 } 2084 2085 mac->vendor = vendor; 2086 } 2087 EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2088 2089 /********************************************************* 2090 * 2091 * sysfs functions 2092 * 2093 *********************************************************/ 2094 static ssize_t rtl_show_debug_level(struct device *d, 2095 struct device_attribute *attr, char *buf) 2096 { 2097 struct ieee80211_hw *hw = dev_get_drvdata(d); 2098 struct rtl_priv *rtlpriv = rtl_priv(hw); 2099 2100 return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel); 2101 } 2102 2103 static ssize_t rtl_store_debug_level(struct device *d, 2104 struct device_attribute *attr, 2105 const char *buf, size_t count) 2106 { 2107 struct ieee80211_hw *hw = dev_get_drvdata(d); 2108 struct rtl_priv *rtlpriv = rtl_priv(hw); 2109 unsigned long val; 2110 int ret; 2111 2112 ret = kstrtoul(buf, 0, &val); 2113 if (ret) { 2114 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 2115 "%s is not in hex or decimal form.\n", buf); 2116 } else { 2117 rtlpriv->dbg.global_debuglevel = val; 2118 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 2119 "debuglevel:%x\n", 2120 rtlpriv->dbg.global_debuglevel); 2121 } 2122 2123 return strnlen(buf, count); 2124 } 2125 2126 static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, 2127 rtl_show_debug_level, rtl_store_debug_level); 2128 2129 static struct attribute *rtl_sysfs_entries[] = { 2130 2131 &dev_attr_debug_level.attr, 2132 2133 NULL 2134 }; 2135 2136 /* 2137 * "name" is folder name witch will be 2138 * put in device directory like : 2139 * sys/devices/pci0000:00/0000:00:1c.4/ 2140 * 0000:06:00.0/rtl_sysfs 2141 */ 2142 struct attribute_group rtl_attribute_group = { 2143 .name = "rtlsysfs", 2144 .attrs = rtl_sysfs_entries, 2145 }; 2146 EXPORT_SYMBOL_GPL(rtl_attribute_group); 2147 2148 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2149 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2150 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2151 MODULE_LICENSE("GPL"); 2152 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2153 2154 struct rtl_global_var rtl_global_var = {}; 2155 EXPORT_SYMBOL_GPL(rtl_global_var); 2156 2157 static int __init rtl_core_module_init(void) 2158 { 2159 if (rtl_rate_control_register()) 2160 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2161 2162 /* init some global vars */ 2163 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); 2164 spin_lock_init(&rtl_global_var.glb_list_lock); 2165 2166 return 0; 2167 } 2168 2169 static void __exit rtl_core_module_exit(void) 2170 { 2171 /*RC*/ 2172 rtl_rate_control_unregister(); 2173 } 2174 2175 module_init(rtl_core_module_init); 2176 module_exit(rtl_core_module_exit); 2177