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 rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) { 249 u16 mcs_map; 250 251 vht_cap->vht_supported = true; 252 vht_cap->cap = 253 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 254 IEEE80211_VHT_CAP_SHORT_GI_80 | 255 IEEE80211_VHT_CAP_TXSTBC | 256 IEEE80211_VHT_CAP_RXSTBC_1 | 257 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 258 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 259 IEEE80211_VHT_CAP_HTC_VHT | 260 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 261 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 262 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 263 0; 264 265 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 266 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | 267 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 268 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 269 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 270 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 271 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 272 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 273 274 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 275 vht_cap->vht_mcs.rx_highest = 276 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 277 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 278 vht_cap->vht_mcs.tx_highest = 279 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9); 280 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) { 281 u16 mcs_map; 282 283 vht_cap->vht_supported = true; 284 vht_cap->cap = 285 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 286 IEEE80211_VHT_CAP_SHORT_GI_80 | 287 IEEE80211_VHT_CAP_TXSTBC | 288 IEEE80211_VHT_CAP_RXSTBC_1 | 289 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 290 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 291 IEEE80211_VHT_CAP_HTC_VHT | 292 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 293 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 294 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 295 0; 296 297 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 298 IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 | 299 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 300 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 301 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 302 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 303 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 304 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 305 306 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 307 vht_cap->vht_mcs.rx_highest = 308 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); 309 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 310 vht_cap->vht_mcs.tx_highest = 311 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9); 312 } 313 } 314 315 static void _rtl_init_mac80211(struct ieee80211_hw *hw) 316 { 317 struct rtl_priv *rtlpriv = rtl_priv(hw); 318 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 319 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 320 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 321 struct ieee80211_supported_band *sband; 322 323 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && 324 rtlhal->bandset == BAND_ON_BOTH) { 325 /* 1: 2.4 G bands */ 326 /* <1> use mac->bands as mem for hw->wiphy->bands */ 327 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]); 328 329 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ] 330 * to default value(1T1R) */ 331 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), &rtl_band_2ghz, 332 sizeof(struct ieee80211_supported_band)); 333 334 /* <3> init ht cap base on ant_num */ 335 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 336 337 /* <4> set mac->sband to wiphy->sband */ 338 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 339 340 /* 2: 5 G bands */ 341 /* <1> use mac->bands as mem for hw->wiphy->bands */ 342 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]); 343 344 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ] 345 * to default value(1T1R) */ 346 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), &rtl_band_5ghz, 347 sizeof(struct ieee80211_supported_band)); 348 349 /* <3> init ht cap base on ant_num */ 350 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 351 352 _rtl_init_hw_vht_capab(hw, &sband->vht_cap); 353 /* <4> set mac->sband to wiphy->sband */ 354 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; 355 } else { 356 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 357 /* <1> use mac->bands as mem for hw->wiphy->bands */ 358 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]); 359 360 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ] 361 * to default value(1T1R) */ 362 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), 363 &rtl_band_2ghz, 364 sizeof(struct ieee80211_supported_band)); 365 366 /* <3> init ht cap base on ant_num */ 367 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 368 369 /* <4> set mac->sband to wiphy->sband */ 370 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 371 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 372 /* <1> use mac->bands as mem for hw->wiphy->bands */ 373 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]); 374 375 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ] 376 * to default value(1T1R) */ 377 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), 378 &rtl_band_5ghz, 379 sizeof(struct ieee80211_supported_band)); 380 381 /* <3> init ht cap base on ant_num */ 382 _rtl_init_hw_ht_capab(hw, &sband->ht_cap); 383 384 _rtl_init_hw_vht_capab(hw, &sband->vht_cap); 385 /* <4> set mac->sband to wiphy->sband */ 386 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; 387 } else { 388 pr_err("Err BAND %d\n", 389 rtlhal->current_bandtype); 390 } 391 } 392 /* <5> set hw caps */ 393 ieee80211_hw_set(hw, SIGNAL_DBM); 394 ieee80211_hw_set(hw, RX_INCLUDES_FCS); 395 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 396 ieee80211_hw_set(hw, CONNECTION_MONITOR); 397 ieee80211_hw_set(hw, MFP_CAPABLE); 398 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 399 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 400 401 /* swlps or hwlps has been set in diff chip in init_sw_vars */ 402 if (rtlpriv->psc.swctrl_lps) { 403 ieee80211_hw_set(hw, SUPPORTS_PS); 404 ieee80211_hw_set(hw, PS_NULLFUNC_STACK); 405 } 406 if (rtlpriv->psc.fwctrl_lps) { 407 ieee80211_hw_set(hw, SUPPORTS_PS); 408 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 409 } 410 hw->wiphy->interface_modes = 411 BIT(NL80211_IFTYPE_AP) | 412 BIT(NL80211_IFTYPE_STATION) | 413 BIT(NL80211_IFTYPE_ADHOC) | 414 BIT(NL80211_IFTYPE_MESH_POINT) | 415 BIT(NL80211_IFTYPE_P2P_CLIENT) | 416 BIT(NL80211_IFTYPE_P2P_GO); 417 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 418 419 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 420 421 hw->wiphy->rts_threshold = 2347; 422 423 hw->queues = AC_MAX; 424 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; 425 426 /* TODO: Correct this value for our hw */ 427 hw->max_listen_interval = MAX_LISTEN_INTERVAL; 428 hw->max_rate_tries = MAX_RATE_TRIES; 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 timer_setup(&rtlpriv->works.watchdog_timer, 463 rtl_watch_dog_timer_callback, 0); 464 timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, 465 rtl_easy_concurrent_retrytimer_callback, 0); 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 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, 480 (void *)rtl_c2hcmd_wq_callback); 481 482 } 483 484 void rtl_deinit_deferred_work(struct ieee80211_hw *hw) 485 { 486 struct rtl_priv *rtlpriv = rtl_priv(hw); 487 488 del_timer_sync(&rtlpriv->works.watchdog_timer); 489 490 cancel_delayed_work(&rtlpriv->works.watchdog_wq); 491 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq); 492 cancel_delayed_work(&rtlpriv->works.ps_work); 493 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 494 cancel_delayed_work(&rtlpriv->works.fwevt_wq); 495 cancel_delayed_work(&rtlpriv->works.c2hcmd_wq); 496 } 497 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); 498 499 void rtl_init_rfkill(struct ieee80211_hw *hw) 500 { 501 struct rtl_priv *rtlpriv = rtl_priv(hw); 502 503 bool radio_state; 504 bool blocked; 505 u8 valid = 0; 506 507 /*set init state to on */ 508 rtlpriv->rfkill.rfkill_state = true; 509 wiphy_rfkill_set_hw_state(hw->wiphy, 0); 510 511 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 512 513 if (valid) { 514 pr_info("rtlwifi: wireless switch is %s\n", 515 rtlpriv->rfkill.rfkill_state ? "on" : "off"); 516 517 rtlpriv->rfkill.rfkill_state = radio_state; 518 519 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; 520 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 521 } 522 523 wiphy_rfkill_start_polling(hw->wiphy); 524 } 525 EXPORT_SYMBOL(rtl_init_rfkill); 526 527 void rtl_deinit_rfkill(struct ieee80211_hw *hw) 528 { 529 wiphy_rfkill_stop_polling(hw->wiphy); 530 } 531 EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); 532 533 int rtl_init_core(struct ieee80211_hw *hw) 534 { 535 struct rtl_priv *rtlpriv = rtl_priv(hw); 536 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 537 538 /* <1> init mac80211 */ 539 _rtl_init_mac80211(hw); 540 rtlmac->hw = hw; 541 542 /* <2> rate control register */ 543 hw->rate_control_algorithm = "rtl_rc"; 544 545 /* 546 * <3> init CRDA must come after init 547 * mac80211 hw in _rtl_init_mac80211. 548 */ 549 if (rtl_regd_init(hw, rtl_reg_notifier)) { 550 pr_err("REGD init failed\n"); 551 return 1; 552 } 553 554 /* <4> locks */ 555 mutex_init(&rtlpriv->locks.conf_mutex); 556 mutex_init(&rtlpriv->locks.ips_mutex); 557 mutex_init(&rtlpriv->locks.lps_mutex); 558 spin_lock_init(&rtlpriv->locks.irq_th_lock); 559 spin_lock_init(&rtlpriv->locks.h2c_lock); 560 spin_lock_init(&rtlpriv->locks.rf_ps_lock); 561 spin_lock_init(&rtlpriv->locks.rf_lock); 562 spin_lock_init(&rtlpriv->locks.waitq_lock); 563 spin_lock_init(&rtlpriv->locks.entry_list_lock); 564 spin_lock_init(&rtlpriv->locks.c2hcmd_lock); 565 spin_lock_init(&rtlpriv->locks.scan_list_lock); 566 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); 567 spin_lock_init(&rtlpriv->locks.fw_ps_lock); 568 spin_lock_init(&rtlpriv->locks.iqk_lock); 569 /* <5> init list */ 570 INIT_LIST_HEAD(&rtlpriv->entry_list); 571 INIT_LIST_HEAD(&rtlpriv->c2hcmd_list); 572 INIT_LIST_HEAD(&rtlpriv->scan_list.list); 573 574 rtlmac->link_state = MAC80211_NOLINK; 575 576 /* <6> init deferred work */ 577 _rtl_init_deferred_work(hw); 578 579 return 0; 580 } 581 EXPORT_SYMBOL_GPL(rtl_init_core); 582 583 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw); 584 585 void rtl_deinit_core(struct ieee80211_hw *hw) 586 { 587 rtl_c2hcmd_launcher(hw, 0); 588 rtl_free_entries_from_scan_list(hw); 589 } 590 EXPORT_SYMBOL_GPL(rtl_deinit_core); 591 592 void rtl_init_rx_config(struct ieee80211_hw *hw) 593 { 594 struct rtl_priv *rtlpriv = rtl_priv(hw); 595 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 596 597 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); 598 } 599 EXPORT_SYMBOL_GPL(rtl_init_rx_config); 600 601 /********************************************************* 602 * 603 * tx information functions 604 * 605 *********************************************************/ 606 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, 607 struct rtl_tcb_desc *tcb_desc, 608 struct ieee80211_tx_info *info) 609 { 610 struct rtl_priv *rtlpriv = rtl_priv(hw); 611 u8 rate_flag = info->control.rates[0].flags; 612 613 tcb_desc->use_shortpreamble = false; 614 615 /* 1M can only use Long Preamble. 11B spec */ 616 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) 617 return; 618 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 619 tcb_desc->use_shortpreamble = true; 620 621 return; 622 } 623 624 static void _rtl_query_shortgi(struct ieee80211_hw *hw, 625 struct ieee80211_sta *sta, 626 struct rtl_tcb_desc *tcb_desc, 627 struct ieee80211_tx_info *info) 628 { 629 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 630 u8 rate_flag = info->control.rates[0].flags; 631 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; 632 u8 sgi_80 = 0, bw_80 = 0; 633 tcb_desc->use_shortgi = false; 634 635 if (sta == NULL) 636 return; 637 638 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 639 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 640 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; 641 642 if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported)) 643 return; 644 645 if (!sgi_40 && !sgi_20) 646 return; 647 648 if (mac->opmode == NL80211_IFTYPE_STATION) { 649 bw_40 = mac->bw_40; 650 bw_80 = mac->bw_80; 651 } else if (mac->opmode == NL80211_IFTYPE_AP || 652 mac->opmode == NL80211_IFTYPE_ADHOC || 653 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 654 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; 655 bw_80 = sta->vht_cap.vht_supported; 656 } 657 658 if (bw_80) { 659 if (sgi_80) 660 tcb_desc->use_shortgi = true; 661 else 662 tcb_desc->use_shortgi = false; 663 } else { 664 if (bw_40 && sgi_40) 665 tcb_desc->use_shortgi = true; 666 else if (!bw_40 && sgi_20) 667 tcb_desc->use_shortgi = true; 668 } 669 670 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) 671 tcb_desc->use_shortgi = false; 672 } 673 674 static void _rtl_query_protection_mode(struct ieee80211_hw *hw, 675 struct rtl_tcb_desc *tcb_desc, 676 struct ieee80211_tx_info *info) 677 { 678 struct rtl_priv *rtlpriv = rtl_priv(hw); 679 u8 rate_flag = info->control.rates[0].flags; 680 681 /* Common Settings */ 682 tcb_desc->rts_stbc = false; 683 tcb_desc->cts_enable = false; 684 tcb_desc->rts_sc = 0; 685 tcb_desc->rts_bw = false; 686 tcb_desc->rts_use_shortpreamble = false; 687 tcb_desc->rts_use_shortgi = false; 688 689 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { 690 /* Use CTS-to-SELF in protection mode. */ 691 tcb_desc->rts_enable = true; 692 tcb_desc->cts_enable = true; 693 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 694 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { 695 /* Use RTS-CTS in protection mode. */ 696 tcb_desc->rts_enable = true; 697 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 698 } 699 } 700 701 u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index, 702 enum wireless_mode wirelessmode) 703 { 704 struct rtl_priv *rtlpriv = rtl_priv(hw); 705 struct rtl_phy *rtlphy = &rtlpriv->phy; 706 u8 ret = 0; 707 708 switch (rate_index) { 709 case RATR_INX_WIRELESS_NGB: 710 if (rtlphy->rf_type == RF_1T1R) 711 ret = RATEID_IDX_BGN_40M_1SS; 712 else 713 ret = RATEID_IDX_BGN_40M_2SS; 714 ; break; 715 case RATR_INX_WIRELESS_N: 716 case RATR_INX_WIRELESS_NG: 717 if (rtlphy->rf_type == RF_1T1R) 718 ret = RATEID_IDX_GN_N1SS; 719 else 720 ret = RATEID_IDX_GN_N2SS; 721 ; break; 722 case RATR_INX_WIRELESS_NB: 723 if (rtlphy->rf_type == RF_1T1R) 724 ret = RATEID_IDX_BGN_20M_1SS_BN; 725 else 726 ret = RATEID_IDX_BGN_20M_2SS_BN; 727 ; break; 728 case RATR_INX_WIRELESS_GB: 729 ret = RATEID_IDX_BG; 730 break; 731 case RATR_INX_WIRELESS_G: 732 ret = RATEID_IDX_G; 733 break; 734 case RATR_INX_WIRELESS_B: 735 ret = RATEID_IDX_B; 736 break; 737 case RATR_INX_WIRELESS_MC: 738 if (wirelessmode == WIRELESS_MODE_B || 739 wirelessmode == WIRELESS_MODE_G || 740 wirelessmode == WIRELESS_MODE_N_24G || 741 wirelessmode == WIRELESS_MODE_AC_24G) 742 ret = RATEID_IDX_BG; 743 else 744 ret = RATEID_IDX_G; 745 break; 746 case RATR_INX_WIRELESS_AC_5N: 747 if (rtlphy->rf_type == RF_1T1R) 748 ret = RATEID_IDX_VHT_1SS; 749 else 750 ret = RATEID_IDX_VHT_2SS; 751 break; 752 case RATR_INX_WIRELESS_AC_24N: 753 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { 754 if (rtlphy->rf_type == RF_1T1R) 755 ret = RATEID_IDX_VHT_1SS; 756 else 757 ret = RATEID_IDX_VHT_2SS; 758 } else { 759 if (rtlphy->rf_type == RF_1T1R) 760 ret = RATEID_IDX_MIX1; 761 else 762 ret = RATEID_IDX_MIX2; 763 } 764 break; 765 default: 766 ret = RATEID_IDX_BGN_40M_2SS; 767 break; 768 } 769 return ret; 770 } 771 EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id); 772 773 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, 774 struct ieee80211_sta *sta, 775 struct rtl_tcb_desc *tcb_desc) 776 { 777 #define SET_RATE_ID(rate_id) \ 778 ({typeof(rate_id) _id = rate_id; \ 779 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 780 rtl_mrate_idx_to_arfr_id(hw, _id, \ 781 (sta_entry ? sta_entry->wireless_mode : \ 782 WIRELESS_MODE_G)) : \ 783 _id); }) 784 785 struct rtl_priv *rtlpriv = rtl_priv(hw); 786 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 787 struct rtl_sta_info *sta_entry = NULL; 788 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 789 790 if (sta) { 791 sta_entry = (struct rtl_sta_info *) sta->drv_priv; 792 ratr_index = sta_entry->ratr_index; 793 } 794 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { 795 if (mac->opmode == NL80211_IFTYPE_STATION) { 796 tcb_desc->ratr_index = 0; 797 } else if (mac->opmode == NL80211_IFTYPE_ADHOC || 798 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 799 if (tcb_desc->multicast || tcb_desc->broadcast) { 800 tcb_desc->hw_rate = 801 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; 802 tcb_desc->use_driver_rate = 1; 803 tcb_desc->ratr_index = 804 SET_RATE_ID(RATR_INX_WIRELESS_MC); 805 } else { 806 tcb_desc->ratr_index = ratr_index; 807 } 808 } else if (mac->opmode == NL80211_IFTYPE_AP) { 809 tcb_desc->ratr_index = ratr_index; 810 } 811 } 812 813 if (rtlpriv->dm.useramask) { 814 tcb_desc->ratr_index = ratr_index; 815 /* TODO we will differentiate adhoc and station future */ 816 if (mac->opmode == NL80211_IFTYPE_STATION || 817 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 818 tcb_desc->mac_id = 0; 819 820 if (sta && 821 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID)) 822 ; /* use sta_entry->ratr_index */ 823 else if (mac->mode == WIRELESS_MODE_AC_5G) 824 tcb_desc->ratr_index = 825 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N); 826 else if (mac->mode == WIRELESS_MODE_AC_24G) 827 tcb_desc->ratr_index = 828 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N); 829 else if (mac->mode == WIRELESS_MODE_N_24G) 830 tcb_desc->ratr_index = 831 SET_RATE_ID(RATR_INX_WIRELESS_NGB); 832 else if (mac->mode == WIRELESS_MODE_N_5G) 833 tcb_desc->ratr_index = 834 SET_RATE_ID(RATR_INX_WIRELESS_NG); 835 else if (mac->mode & WIRELESS_MODE_G) 836 tcb_desc->ratr_index = 837 SET_RATE_ID(RATR_INX_WIRELESS_GB); 838 else if (mac->mode & WIRELESS_MODE_B) 839 tcb_desc->ratr_index = 840 SET_RATE_ID(RATR_INX_WIRELESS_B); 841 else if (mac->mode & WIRELESS_MODE_A) 842 tcb_desc->ratr_index = 843 SET_RATE_ID(RATR_INX_WIRELESS_G); 844 845 } else if (mac->opmode == NL80211_IFTYPE_AP || 846 mac->opmode == NL80211_IFTYPE_ADHOC) { 847 if (NULL != sta) { 848 if (sta->aid > 0) 849 tcb_desc->mac_id = sta->aid + 1; 850 else 851 tcb_desc->mac_id = 1; 852 } else { 853 tcb_desc->mac_id = 0; 854 } 855 } 856 } 857 #undef SET_RATE_ID 858 } 859 860 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, 861 struct ieee80211_sta *sta, 862 struct rtl_tcb_desc *tcb_desc) 863 { 864 struct rtl_priv *rtlpriv = rtl_priv(hw); 865 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 866 867 tcb_desc->packet_bw = false; 868 if (!sta) 869 return; 870 if (mac->opmode == NL80211_IFTYPE_AP || 871 mac->opmode == NL80211_IFTYPE_ADHOC || 872 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 873 if (!(sta->ht_cap.ht_supported) || 874 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 875 return; 876 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 877 if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) 878 return; 879 } 880 if (tcb_desc->multicast || tcb_desc->broadcast) 881 return; 882 883 /*use legency rate, shall use 20MHz */ 884 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) 885 return; 886 887 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; 888 889 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE || 890 rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE) { 891 if (mac->opmode == NL80211_IFTYPE_AP || 892 mac->opmode == NL80211_IFTYPE_ADHOC || 893 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 894 if (!(sta->vht_cap.vht_supported)) 895 return; 896 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 897 if (!mac->bw_80 || 898 !(sta->vht_cap.vht_supported)) 899 return; 900 } 901 if (tcb_desc->hw_rate <= 902 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) 903 return; 904 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; 905 } 906 } 907 908 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, 909 struct ieee80211_sta *sta) 910 { 911 struct rtl_priv *rtlpriv = rtl_priv(hw); 912 struct rtl_phy *rtlphy = &(rtlpriv->phy); 913 u8 hw_rate; 914 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map); 915 916 if ((get_rf_type(rtlphy) == RF_2T2R) && 917 (tx_mcs_map & 0x000c) != 0x000c) { 918 if ((tx_mcs_map & 0x000c) >> 2 == 919 IEEE80211_VHT_MCS_SUPPORT_0_7) 920 hw_rate = 921 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; 922 else if ((tx_mcs_map & 0x000c) >> 2 == 923 IEEE80211_VHT_MCS_SUPPORT_0_8) 924 hw_rate = 925 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8]; 926 else 927 hw_rate = 928 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 929 } else { 930 if ((tx_mcs_map & 0x0003) == 931 IEEE80211_VHT_MCS_SUPPORT_0_7) 932 hw_rate = 933 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; 934 else if ((tx_mcs_map & 0x0003) == 935 IEEE80211_VHT_MCS_SUPPORT_0_8) 936 hw_rate = 937 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8]; 938 else 939 hw_rate = 940 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 941 } 942 943 return hw_rate; 944 } 945 946 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, 947 struct ieee80211_sta *sta) 948 { 949 struct rtl_priv *rtlpriv = rtl_priv(hw); 950 struct rtl_phy *rtlphy = &rtlpriv->phy; 951 u8 hw_rate; 952 953 if (get_rf_type(rtlphy) == RF_2T2R && 954 sta->ht_cap.mcs.rx_mask[1] != 0) 955 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; 956 else 957 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; 958 959 return hw_rate; 960 } 961 962 /* mac80211's rate_idx is like this: 963 * 964 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ 965 * 966 * B/G rate: 967 * (rx_status->flag & RX_FLAG_HT) = 0, 968 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, 969 * 970 * N rate: 971 * (rx_status->flag & RX_FLAG_HT) = 1, 972 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 973 * 974 * 5G band:rx_status->band == NL80211_BAND_5GHZ 975 * A rate: 976 * (rx_status->flag & RX_FLAG_HT) = 0, 977 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, 978 * 979 * N rate: 980 * (rx_status->flag & RX_FLAG_HT) = 1, 981 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 982 * 983 * VHT rates: 984 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 985 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 986 */ 987 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, 988 u8 desc_rate) 989 { 990 int rate_idx; 991 992 if (isvht) { 993 switch (desc_rate) { 994 case DESC_RATEVHT1SS_MCS0: 995 rate_idx = 0; 996 break; 997 case DESC_RATEVHT1SS_MCS1: 998 rate_idx = 1; 999 break; 1000 case DESC_RATEVHT1SS_MCS2: 1001 rate_idx = 2; 1002 break; 1003 case DESC_RATEVHT1SS_MCS3: 1004 rate_idx = 3; 1005 break; 1006 case DESC_RATEVHT1SS_MCS4: 1007 rate_idx = 4; 1008 break; 1009 case DESC_RATEVHT1SS_MCS5: 1010 rate_idx = 5; 1011 break; 1012 case DESC_RATEVHT1SS_MCS6: 1013 rate_idx = 6; 1014 break; 1015 case DESC_RATEVHT1SS_MCS7: 1016 rate_idx = 7; 1017 break; 1018 case DESC_RATEVHT1SS_MCS8: 1019 rate_idx = 8; 1020 break; 1021 case DESC_RATEVHT1SS_MCS9: 1022 rate_idx = 9; 1023 break; 1024 case DESC_RATEVHT2SS_MCS0: 1025 rate_idx = 0; 1026 break; 1027 case DESC_RATEVHT2SS_MCS1: 1028 rate_idx = 1; 1029 break; 1030 case DESC_RATEVHT2SS_MCS2: 1031 rate_idx = 2; 1032 break; 1033 case DESC_RATEVHT2SS_MCS3: 1034 rate_idx = 3; 1035 break; 1036 case DESC_RATEVHT2SS_MCS4: 1037 rate_idx = 4; 1038 break; 1039 case DESC_RATEVHT2SS_MCS5: 1040 rate_idx = 5; 1041 break; 1042 case DESC_RATEVHT2SS_MCS6: 1043 rate_idx = 6; 1044 break; 1045 case DESC_RATEVHT2SS_MCS7: 1046 rate_idx = 7; 1047 break; 1048 case DESC_RATEVHT2SS_MCS8: 1049 rate_idx = 8; 1050 break; 1051 case DESC_RATEVHT2SS_MCS9: 1052 rate_idx = 9; 1053 break; 1054 default: 1055 rate_idx = 0; 1056 break; 1057 } 1058 return rate_idx; 1059 } 1060 if (false == isht) { 1061 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 1062 switch (desc_rate) { 1063 case DESC_RATE1M: 1064 rate_idx = 0; 1065 break; 1066 case DESC_RATE2M: 1067 rate_idx = 1; 1068 break; 1069 case DESC_RATE5_5M: 1070 rate_idx = 2; 1071 break; 1072 case DESC_RATE11M: 1073 rate_idx = 3; 1074 break; 1075 case DESC_RATE6M: 1076 rate_idx = 4; 1077 break; 1078 case DESC_RATE9M: 1079 rate_idx = 5; 1080 break; 1081 case DESC_RATE12M: 1082 rate_idx = 6; 1083 break; 1084 case DESC_RATE18M: 1085 rate_idx = 7; 1086 break; 1087 case DESC_RATE24M: 1088 rate_idx = 8; 1089 break; 1090 case DESC_RATE36M: 1091 rate_idx = 9; 1092 break; 1093 case DESC_RATE48M: 1094 rate_idx = 10; 1095 break; 1096 case DESC_RATE54M: 1097 rate_idx = 11; 1098 break; 1099 default: 1100 rate_idx = 0; 1101 break; 1102 } 1103 } else { 1104 switch (desc_rate) { 1105 case DESC_RATE6M: 1106 rate_idx = 0; 1107 break; 1108 case DESC_RATE9M: 1109 rate_idx = 1; 1110 break; 1111 case DESC_RATE12M: 1112 rate_idx = 2; 1113 break; 1114 case DESC_RATE18M: 1115 rate_idx = 3; 1116 break; 1117 case DESC_RATE24M: 1118 rate_idx = 4; 1119 break; 1120 case DESC_RATE36M: 1121 rate_idx = 5; 1122 break; 1123 case DESC_RATE48M: 1124 rate_idx = 6; 1125 break; 1126 case DESC_RATE54M: 1127 rate_idx = 7; 1128 break; 1129 default: 1130 rate_idx = 0; 1131 break; 1132 } 1133 } 1134 } else { 1135 switch (desc_rate) { 1136 case DESC_RATEMCS0: 1137 rate_idx = 0; 1138 break; 1139 case DESC_RATEMCS1: 1140 rate_idx = 1; 1141 break; 1142 case DESC_RATEMCS2: 1143 rate_idx = 2; 1144 break; 1145 case DESC_RATEMCS3: 1146 rate_idx = 3; 1147 break; 1148 case DESC_RATEMCS4: 1149 rate_idx = 4; 1150 break; 1151 case DESC_RATEMCS5: 1152 rate_idx = 5; 1153 break; 1154 case DESC_RATEMCS6: 1155 rate_idx = 6; 1156 break; 1157 case DESC_RATEMCS7: 1158 rate_idx = 7; 1159 break; 1160 case DESC_RATEMCS8: 1161 rate_idx = 8; 1162 break; 1163 case DESC_RATEMCS9: 1164 rate_idx = 9; 1165 break; 1166 case DESC_RATEMCS10: 1167 rate_idx = 10; 1168 break; 1169 case DESC_RATEMCS11: 1170 rate_idx = 11; 1171 break; 1172 case DESC_RATEMCS12: 1173 rate_idx = 12; 1174 break; 1175 case DESC_RATEMCS13: 1176 rate_idx = 13; 1177 break; 1178 case DESC_RATEMCS14: 1179 rate_idx = 14; 1180 break; 1181 case DESC_RATEMCS15: 1182 rate_idx = 15; 1183 break; 1184 default: 1185 rate_idx = 0; 1186 break; 1187 } 1188 } 1189 return rate_idx; 1190 } 1191 EXPORT_SYMBOL(rtlwifi_rate_mapping); 1192 1193 static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw, 1194 struct ieee80211_tx_info *info) 1195 { 1196 struct rtl_priv *rtlpriv = rtl_priv(hw); 1197 struct ieee80211_tx_rate *r = &info->status.rates[0]; 1198 struct ieee80211_rate *txrate; 1199 u8 hw_value = 0x0; 1200 1201 if (r->flags & IEEE80211_TX_RC_MCS) { 1202 /* HT MCS0-15 */ 1203 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 + 1204 r->idx; 1205 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) { 1206 /* VHT MCS0-9, NSS */ 1207 if (ieee80211_rate_get_vht_nss(r) == 2) 1208 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 1209 else 1210 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 1211 1212 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r); 1213 } else { 1214 /* legacy */ 1215 txrate = ieee80211_get_tx_rate(hw, info); 1216 1217 if (txrate) 1218 hw_value = txrate->hw_value; 1219 } 1220 1221 /* check 5G band */ 1222 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G && 1223 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]) 1224 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]; 1225 1226 return hw_value; 1227 } 1228 1229 void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1230 struct ieee80211_tx_info *info, 1231 struct ieee80211_sta *sta, 1232 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1233 { 1234 #define SET_RATE_ID(rate_id) \ 1235 ({typeof(rate_id) _id = rate_id; \ 1236 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \ 1237 rtl_mrate_idx_to_arfr_id(hw, _id, \ 1238 (sta_entry ? sta_entry->wireless_mode : \ 1239 WIRELESS_MODE_G)) : \ 1240 _id); }) 1241 1242 struct rtl_priv *rtlpriv = rtl_priv(hw); 1243 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1244 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1245 struct rtl_sta_info *sta_entry = 1246 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL); 1247 1248 __le16 fc = rtl_get_fc(skb); 1249 1250 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info); 1251 1252 if (rtl_is_tx_report_skb(hw, skb)) 1253 tcb_desc->use_spe_rpt = 1; 1254 1255 if (ieee80211_is_data(fc)) { 1256 /* 1257 *we set data rate INX 0 1258 *in rtl_rc.c if skb is special data or 1259 *mgt which need low data rate. 1260 */ 1261 1262 /* 1263 *So tcb_desc->hw_rate is just used for 1264 *special data and mgt frames 1265 */ 1266 if (info->control.rates[0].idx == 0 || 1267 ieee80211_is_nullfunc(fc)) { 1268 tcb_desc->use_driver_rate = true; 1269 tcb_desc->ratr_index = 1270 SET_RATE_ID(RATR_INX_WIRELESS_MC); 1271 1272 tcb_desc->disable_ratefallback = 1; 1273 } else { 1274 /* 1275 *because hw will nerver use hw_rate 1276 *when tcb_desc->use_driver_rate = false 1277 *so we never set highest N rate here, 1278 *and N rate will all be controlled by FW 1279 *when tcb_desc->use_driver_rate = false 1280 */ 1281 if (sta && sta->vht_cap.vht_supported) { 1282 tcb_desc->hw_rate = 1283 _rtl_get_vht_highest_n_rate(hw, sta); 1284 } else { 1285 if (sta && sta->ht_cap.ht_supported) { 1286 tcb_desc->hw_rate = 1287 _rtl_get_highest_n_rate(hw, sta); 1288 } else { 1289 if (rtlmac->mode == WIRELESS_MODE_B) { 1290 tcb_desc->hw_rate = 1291 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1292 } else { 1293 tcb_desc->hw_rate = 1294 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1295 } 1296 } 1297 } 1298 } 1299 1300 if (is_multicast_ether_addr(hdr->addr1)) 1301 tcb_desc->multicast = 1; 1302 else if (is_broadcast_ether_addr(hdr->addr1)) 1303 tcb_desc->broadcast = 1; 1304 1305 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1306 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1307 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1308 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1309 _rtl_query_protection_mode(hw, tcb_desc, info); 1310 } else { 1311 tcb_desc->use_driver_rate = true; 1312 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC); 1313 tcb_desc->disable_ratefallback = 1; 1314 tcb_desc->mac_id = 0; 1315 tcb_desc->packet_bw = false; 1316 } 1317 #undef SET_RATE_ID 1318 } 1319 EXPORT_SYMBOL(rtl_get_tcb_desc); 1320 1321 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1322 { 1323 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1324 struct rtl_priv *rtlpriv = rtl_priv(hw); 1325 __le16 fc = rtl_get_fc(skb); 1326 1327 if (rtlpriv->dm.supp_phymode_switch && 1328 mac->link_state < MAC80211_LINKED && 1329 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { 1330 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1331 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1332 } 1333 if (ieee80211_is_auth(fc)) { 1334 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); 1335 1336 mac->link_state = MAC80211_LINKING; 1337 /* Dul mac */ 1338 rtlpriv->phy.need_iqk = true; 1339 1340 } 1341 1342 return true; 1343 } 1344 EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1345 1346 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1347 u8 *bssid, u16 tid); 1348 1349 static void process_agg_start(struct ieee80211_hw *hw, 1350 struct ieee80211_hdr *hdr, u16 tid) 1351 { 1352 struct rtl_priv *rtlpriv = rtl_priv(hw); 1353 struct ieee80211_rx_status rx_status = { 0 }; 1354 struct sk_buff *skb_delba = NULL; 1355 1356 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); 1357 if (skb_delba) { 1358 rx_status.freq = hw->conf.chandef.chan->center_freq; 1359 rx_status.band = hw->conf.chandef.chan->band; 1360 rx_status.flag |= RX_FLAG_DECRYPTED; 1361 rx_status.flag |= RX_FLAG_MACTIME_START; 1362 rx_status.rate_idx = 0; 1363 rx_status.signal = 50 + 10; 1364 memcpy(IEEE80211_SKB_RXCB(skb_delba), 1365 &rx_status, sizeof(rx_status)); 1366 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, 1367 "fake del\n", 1368 skb_delba->data, 1369 skb_delba->len); 1370 ieee80211_rx_irqsafe(hw, skb_delba); 1371 } 1372 } 1373 1374 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1375 { 1376 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1377 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1378 struct rtl_priv *rtlpriv = rtl_priv(hw); 1379 __le16 fc = rtl_get_fc(skb); 1380 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); 1381 u8 category; 1382 1383 if (!ieee80211_is_action(fc)) 1384 return true; 1385 1386 category = *act; 1387 act++; 1388 switch (category) { 1389 case ACT_CAT_BA: 1390 switch (*act) { 1391 case ACT_ADDBAREQ: 1392 if (mac->act_scanning) 1393 return false; 1394 1395 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1396 "%s ACT_ADDBAREQ From :%pM\n", 1397 is_tx ? "Tx" : "Rx", hdr->addr2); 1398 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", 1399 skb->data, skb->len); 1400 if (!is_tx) { 1401 struct ieee80211_sta *sta = NULL; 1402 struct rtl_sta_info *sta_entry = NULL; 1403 struct rtl_tid_data *tid_data; 1404 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1405 u16 capab = 0, tid = 0; 1406 1407 rcu_read_lock(); 1408 sta = rtl_find_sta(hw, hdr->addr3); 1409 if (sta == NULL) { 1410 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV, 1411 DBG_DMESG, "sta is NULL\n"); 1412 rcu_read_unlock(); 1413 return true; 1414 } 1415 1416 sta_entry = 1417 (struct rtl_sta_info *)sta->drv_priv; 1418 if (!sta_entry) { 1419 rcu_read_unlock(); 1420 return true; 1421 } 1422 capab = 1423 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1424 tid = (capab & 1425 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1426 if (tid >= MAX_TID_COUNT) { 1427 rcu_read_unlock(); 1428 return true; 1429 } 1430 tid_data = &sta_entry->tids[tid]; 1431 if (tid_data->agg.rx_agg_state == 1432 RTL_RX_AGG_START) 1433 process_agg_start(hw, hdr, tid); 1434 rcu_read_unlock(); 1435 } 1436 break; 1437 case ACT_ADDBARSP: 1438 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1439 "%s ACT_ADDBARSP From :%pM\n", 1440 is_tx ? "Tx" : "Rx", hdr->addr2); 1441 break; 1442 case ACT_DELBA: 1443 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1444 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1445 break; 1446 } 1447 break; 1448 default: 1449 break; 1450 } 1451 1452 return true; 1453 } 1454 EXPORT_SYMBOL_GPL(rtl_action_proc); 1455 1456 static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc, 1457 int type) 1458 { 1459 struct ieee80211_hw *hw = rtlpriv->hw; 1460 1461 rtlpriv->ra.is_special_data = true; 1462 if (rtlpriv->cfg->ops->get_btc_status()) 1463 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1464 rtlpriv, type); 1465 rtl_lps_leave(hw); 1466 ppsc->last_delaylps_stamp_jiffies = jiffies; 1467 } 1468 1469 static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw, 1470 struct sk_buff *skb, bool is_enc) 1471 { 1472 struct rtl_priv *rtlpriv = rtl_priv(hw); 1473 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1474 u8 encrypt_header_len = 0; 1475 u8 offset; 1476 1477 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1478 case WEP40_ENCRYPTION: 1479 case WEP104_ENCRYPTION: 1480 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1481 break; 1482 case TKIP_ENCRYPTION: 1483 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1484 break; 1485 case AESCCMP_ENCRYPTION: 1486 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1487 break; 1488 default: 1489 break; 1490 } 1491 1492 offset = mac_hdr_len + SNAP_SIZE; 1493 if (is_enc) 1494 offset += encrypt_header_len; 1495 1496 return skb->data + offset; 1497 } 1498 1499 /*should call before software enc*/ 1500 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, 1501 bool is_enc) 1502 { 1503 struct rtl_priv *rtlpriv = rtl_priv(hw); 1504 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1505 __le16 fc = rtl_get_fc(skb); 1506 u16 ether_type; 1507 const u8 *ether_type_ptr; 1508 const struct iphdr *ip; 1509 1510 if (!ieee80211_is_data(fc)) 1511 goto end; 1512 1513 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc); 1514 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1515 1516 if (ETH_P_IP == ether_type) { 1517 ip = (struct iphdr *)((u8 *)ether_type_ptr + 1518 PROTOC_TYPE_SIZE); 1519 if (IPPROTO_UDP == ip->protocol) { 1520 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1521 (ip->ihl << 2)); 1522 if (((((u8 *)udp)[1] == 68) && 1523 (((u8 *)udp)[3] == 67)) || 1524 ((((u8 *)udp)[1] == 67) && 1525 (((u8 *)udp)[3] == 68))) { 1526 /* 68 : UDP BOOTP client 1527 * 67 : UDP BOOTP server 1528 */ 1529 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), 1530 DBG_DMESG, "dhcp %s !!\n", 1531 (is_tx) ? "Tx" : "Rx"); 1532 1533 if (is_tx) 1534 setup_special_tx(rtlpriv, ppsc, 1535 PACKET_DHCP); 1536 1537 return true; 1538 } 1539 } 1540 } else if (ETH_P_ARP == ether_type) { 1541 if (is_tx) 1542 setup_special_tx(rtlpriv, ppsc, PACKET_ARP); 1543 1544 return true; 1545 } else if (ETH_P_PAE == ether_type) { 1546 /* EAPOL is seens as in-4way */ 1547 rtlpriv->btcoexist.btc_info.in_4way = true; 1548 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; 1549 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies; 1550 1551 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1552 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1553 1554 if (is_tx) { 1555 rtlpriv->ra.is_special_data = true; 1556 rtl_lps_leave(hw); 1557 ppsc->last_delaylps_stamp_jiffies = jiffies; 1558 1559 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL); 1560 } 1561 1562 return true; 1563 } else if (ETH_P_IPV6 == ether_type) { 1564 /* TODO: Handle any IPv6 cases that need special handling. 1565 * For now, always return false 1566 */ 1567 goto end; 1568 } 1569 1570 end: 1571 rtlpriv->ra.is_special_data = false; 1572 return false; 1573 } 1574 EXPORT_SYMBOL_GPL(rtl_is_special_data); 1575 1576 bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb) 1577 { 1578 u16 ether_type; 1579 const u8 *ether_type_ptr; 1580 1581 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true); 1582 ether_type = be16_to_cpup((__be16 *)ether_type_ptr); 1583 1584 /* EAPOL */ 1585 if (ether_type == ETH_P_PAE) 1586 return true; 1587 1588 return false; 1589 } 1590 1591 static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw) 1592 { 1593 struct rtl_priv *rtlpriv = rtl_priv(hw); 1594 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1595 u16 sn; 1596 1597 sn = atomic_inc_return(&tx_report->sn) & 0x0FFF; 1598 1599 tx_report->last_sent_sn = sn; 1600 tx_report->last_sent_time = jiffies; 1601 1602 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1603 "Send TX-Report sn=0x%X\n", sn); 1604 1605 return sn; 1606 } 1607 1608 void rtl_get_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc, 1609 struct ieee80211_hw *hw) 1610 { 1611 if (ptcb_desc->use_spe_rpt) { 1612 u16 sn = rtl_get_tx_report_sn(hw); 1613 1614 SET_TX_DESC_SPE_RPT(pdesc, 1); 1615 SET_TX_DESC_SW_DEFINE(pdesc, sn); 1616 } 1617 } 1618 EXPORT_SYMBOL_GPL(rtl_get_tx_report); 1619 1620 void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) 1621 { 1622 struct rtl_priv *rtlpriv = rtl_priv(hw); 1623 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1624 u16 sn; 1625 1626 sn = ((tmp_buf[7] & 0x0F) << 8) | tmp_buf[6]; 1627 1628 tx_report->last_recv_sn = sn; 1629 1630 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, 1631 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", 1632 tmp_buf[0], sn, tmp_buf[2]); 1633 } 1634 EXPORT_SYMBOL_GPL(rtl_tx_report_handler); 1635 1636 bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) 1637 { 1638 struct rtl_priv *rtlpriv = rtl_priv(hw); 1639 struct rtl_tx_report *tx_report = &rtlpriv->tx_report; 1640 1641 if (tx_report->last_sent_sn == tx_report->last_recv_sn) 1642 return true; 1643 1644 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { 1645 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING, 1646 "Check TX-Report timeout!!\n"); 1647 return true; /* 3 sec. (timeout) seen as acked */ 1648 } 1649 1650 return false; 1651 } 1652 1653 void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms) 1654 { 1655 struct rtl_priv *rtlpriv = rtl_priv(hw); 1656 int i; 1657 1658 for (i = 0; i < wait_ms; i++) { 1659 if (rtl_check_tx_report_acked(hw)) 1660 break; 1661 usleep_range(1000, 2000); 1662 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1663 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms); 1664 } 1665 } 1666 1667 u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw, 1668 struct ieee80211_vif *vif, 1669 enum wireless_mode wirelessmode, 1670 struct ieee80211_tx_queue_params *param) 1671 { 1672 u32 reg = 0; 1673 u8 sifstime = 10; 1674 u8 slottime = 20; 1675 1676 /* AIFS = AIFSN * slot time + SIFS */ 1677 switch (wirelessmode) { 1678 case WIRELESS_MODE_A: 1679 case WIRELESS_MODE_N_24G: 1680 case WIRELESS_MODE_N_5G: 1681 case WIRELESS_MODE_AC_5G: 1682 case WIRELESS_MODE_AC_24G: 1683 sifstime = 16; 1684 slottime = 9; 1685 break; 1686 case WIRELESS_MODE_G: 1687 slottime = (vif->bss_conf.use_short_slot ? 9 : 20); 1688 break; 1689 default: 1690 break; 1691 } 1692 1693 reg |= (param->txop & 0x7FF) << 16; 1694 reg |= (fls(param->cw_max) & 0xF) << 12; 1695 reg |= (fls(param->cw_min) & 0xF) << 8; 1696 reg |= (param->aifs & 0x0F) * slottime + sifstime; 1697 1698 return reg; 1699 } 1700 EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param); 1701 1702 /********************************************************* 1703 * 1704 * functions called by core.c 1705 * 1706 *********************************************************/ 1707 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1708 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1709 { 1710 struct rtl_priv *rtlpriv = rtl_priv(hw); 1711 struct rtl_tid_data *tid_data; 1712 struct rtl_sta_info *sta_entry = NULL; 1713 1714 if (sta == NULL) 1715 return -EINVAL; 1716 1717 if (unlikely(tid >= MAX_TID_COUNT)) 1718 return -EINVAL; 1719 1720 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1721 if (!sta_entry) 1722 return -ENXIO; 1723 tid_data = &sta_entry->tids[tid]; 1724 1725 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1726 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1727 *ssn); 1728 1729 tid_data->agg.agg_state = RTL_AGG_START; 1730 1731 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1732 return 0; 1733 } 1734 1735 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1736 struct ieee80211_sta *sta, u16 tid) 1737 { 1738 struct rtl_priv *rtlpriv = rtl_priv(hw); 1739 struct rtl_sta_info *sta_entry = NULL; 1740 1741 if (sta == NULL) 1742 return -EINVAL; 1743 1744 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1745 "on ra = %pM tid = %d\n", sta->addr, tid); 1746 1747 if (unlikely(tid >= MAX_TID_COUNT)) 1748 return -EINVAL; 1749 1750 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1751 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1752 1753 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1754 return 0; 1755 } 1756 1757 int rtl_rx_agg_start(struct ieee80211_hw *hw, 1758 struct ieee80211_sta *sta, u16 tid) 1759 { 1760 struct rtl_priv *rtlpriv = rtl_priv(hw); 1761 struct rtl_tid_data *tid_data; 1762 struct rtl_sta_info *sta_entry = NULL; 1763 u8 reject_agg; 1764 1765 if (sta == NULL) 1766 return -EINVAL; 1767 1768 if (unlikely(tid >= MAX_TID_COUNT)) 1769 return -EINVAL; 1770 1771 if (rtlpriv->cfg->ops->get_btc_status()) { 1772 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv, 1773 &reject_agg, 1774 NULL, NULL); 1775 if (reject_agg) 1776 return -EINVAL; 1777 } 1778 1779 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1780 if (!sta_entry) 1781 return -ENXIO; 1782 tid_data = &sta_entry->tids[tid]; 1783 1784 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, 1785 "on ra = %pM tid = %d\n", sta->addr, tid); 1786 1787 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1788 return 0; 1789 } 1790 1791 int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1792 struct ieee80211_sta *sta, u16 tid) 1793 { 1794 struct rtl_priv *rtlpriv = rtl_priv(hw); 1795 struct rtl_sta_info *sta_entry = NULL; 1796 1797 if (sta == NULL) 1798 return -EINVAL; 1799 1800 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1801 "on ra = %pM tid = %d\n", sta->addr, tid); 1802 1803 if (unlikely(tid >= MAX_TID_COUNT)) 1804 return -EINVAL; 1805 1806 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1807 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1808 1809 return 0; 1810 } 1811 int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1812 struct ieee80211_sta *sta, u16 tid) 1813 { 1814 struct rtl_priv *rtlpriv = rtl_priv(hw); 1815 struct rtl_sta_info *sta_entry = NULL; 1816 1817 if (sta == NULL) 1818 return -EINVAL; 1819 1820 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1821 "on ra = %pM tid = %d\n", sta->addr, tid); 1822 1823 if (unlikely(tid >= MAX_TID_COUNT)) 1824 return -EINVAL; 1825 1826 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1827 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1828 1829 return 0; 1830 } 1831 1832 void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv) 1833 { 1834 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops; 1835 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0; 1836 1837 if (rtlpriv->cfg->ops->get_btc_status()) 1838 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg, 1839 &ctrl_agg_size, &agg_size); 1840 1841 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, 1842 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d", 1843 reject_agg, ctrl_agg_size, agg_size); 1844 1845 rtlpriv->hw->max_rx_aggregation_subframes = 1846 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF); 1847 } 1848 EXPORT_SYMBOL(rtl_rx_ampdu_apply); 1849 1850 /********************************************************* 1851 * 1852 * wq & timer callback functions 1853 * 1854 *********************************************************/ 1855 /* this function is used for roaming */ 1856 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1857 { 1858 struct rtl_priv *rtlpriv = rtl_priv(hw); 1859 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1860 1861 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1862 return; 1863 1864 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1865 return; 1866 1867 /* check if this really is a beacon */ 1868 if (!ieee80211_is_beacon(hdr->frame_control) && 1869 !ieee80211_is_probe_resp(hdr->frame_control)) 1870 return; 1871 1872 /* min. beacon length + FCS_LEN */ 1873 if (skb->len <= 40 + FCS_LEN) 1874 return; 1875 1876 /* and only beacons from the associated BSSID, please */ 1877 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1878 return; 1879 1880 rtlpriv->link_info.bcn_rx_inperiod++; 1881 } 1882 EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1883 1884 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw) 1885 { 1886 struct rtl_priv *rtlpriv = rtl_priv(hw); 1887 struct rtl_bssid_entry *entry, *next; 1888 1889 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1890 list_del(&entry->list); 1891 kfree(entry); 1892 rtlpriv->scan_list.num--; 1893 } 1894 } 1895 1896 void rtl_scan_list_expire(struct ieee80211_hw *hw) 1897 { 1898 struct rtl_priv *rtlpriv = rtl_priv(hw); 1899 struct rtl_bssid_entry *entry, *next; 1900 unsigned long flags; 1901 1902 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 1903 1904 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) { 1905 /* 180 seconds */ 1906 if (jiffies_to_msecs(jiffies - entry->age) < 180000) 1907 continue; 1908 1909 list_del(&entry->list); 1910 rtlpriv->scan_list.num--; 1911 1912 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 1913 "BSSID=%pM is expire in scan list (total=%d)\n", 1914 entry->bssid, rtlpriv->scan_list.num); 1915 kfree(entry); 1916 } 1917 1918 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 1919 1920 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1921 } 1922 1923 void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb) 1924 { 1925 struct rtl_priv *rtlpriv = rtl_priv(hw); 1926 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1927 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1928 unsigned long flags; 1929 1930 struct rtl_bssid_entry *entry; 1931 bool entry_found = false; 1932 1933 /* check if it is scanning */ 1934 if (!mac->act_scanning) 1935 return; 1936 1937 /* check if this really is a beacon */ 1938 if (!ieee80211_is_beacon(hdr->frame_control) && 1939 !ieee80211_is_probe_resp(hdr->frame_control)) 1940 return; 1941 1942 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags); 1943 1944 list_for_each_entry(entry, &rtlpriv->scan_list.list, list) { 1945 if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) { 1946 list_del_init(&entry->list); 1947 entry_found = true; 1948 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 1949 "Update BSSID=%pM to scan list (total=%d)\n", 1950 hdr->addr3, rtlpriv->scan_list.num); 1951 break; 1952 } 1953 } 1954 1955 if (!entry_found) { 1956 entry = kmalloc(sizeof(*entry), GFP_ATOMIC); 1957 1958 if (!entry) 1959 goto label_err; 1960 1961 memcpy(entry->bssid, hdr->addr3, ETH_ALEN); 1962 rtlpriv->scan_list.num++; 1963 1964 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD, 1965 "Add BSSID=%pM to scan list (total=%d)\n", 1966 hdr->addr3, rtlpriv->scan_list.num); 1967 } 1968 1969 entry->age = jiffies; 1970 1971 list_add_tail(&entry->list, &rtlpriv->scan_list.list); 1972 1973 label_err: 1974 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags); 1975 } 1976 EXPORT_SYMBOL(rtl_collect_scan_list); 1977 1978 void rtl_watchdog_wq_callback(void *data) 1979 { 1980 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 1981 struct rtl_works, 1982 watchdog_wq); 1983 struct ieee80211_hw *hw = rtlworks->hw; 1984 struct rtl_priv *rtlpriv = rtl_priv(hw); 1985 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1986 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1987 bool busytraffic = false; 1988 bool tx_busy_traffic = false; 1989 bool rx_busy_traffic = false; 1990 bool higher_busytraffic = false; 1991 bool higher_busyrxtraffic = false; 1992 u8 idx, tid; 1993 u32 rx_cnt_inp4eriod = 0; 1994 u32 tx_cnt_inp4eriod = 0; 1995 u32 aver_rx_cnt_inperiod = 0; 1996 u32 aver_tx_cnt_inperiod = 0; 1997 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 1998 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 1999 2000 if (is_hal_stop(rtlhal)) 2001 return; 2002 2003 /* <1> Determine if action frame is allowed */ 2004 if (mac->link_state > MAC80211_NOLINK) { 2005 if (mac->cnt_after_linked < 20) 2006 mac->cnt_after_linked++; 2007 } else { 2008 mac->cnt_after_linked = 0; 2009 } 2010 2011 /* <2> to check if traffic busy, if 2012 * busytraffic we don't change channel 2013 */ 2014 if (mac->link_state >= MAC80211_LINKED) { 2015 2016 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 2017 for (idx = 0; idx <= 2; idx++) { 2018 rtlpriv->link_info.num_rx_in4period[idx] = 2019 rtlpriv->link_info.num_rx_in4period[idx + 1]; 2020 rtlpriv->link_info.num_tx_in4period[idx] = 2021 rtlpriv->link_info.num_tx_in4period[idx + 1]; 2022 } 2023 rtlpriv->link_info.num_rx_in4period[3] = 2024 rtlpriv->link_info.num_rx_inperiod; 2025 rtlpriv->link_info.num_tx_in4period[3] = 2026 rtlpriv->link_info.num_tx_inperiod; 2027 for (idx = 0; idx <= 3; idx++) { 2028 rx_cnt_inp4eriod += 2029 rtlpriv->link_info.num_rx_in4period[idx]; 2030 tx_cnt_inp4eriod += 2031 rtlpriv->link_info.num_tx_in4period[idx]; 2032 } 2033 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 2034 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 2035 2036 /* (2) check traffic busy */ 2037 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 2038 busytraffic = true; 2039 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 2040 rx_busy_traffic = true; 2041 else 2042 tx_busy_traffic = false; 2043 } 2044 2045 /* Higher Tx/Rx data. */ 2046 if (aver_rx_cnt_inperiod > 4000 || 2047 aver_tx_cnt_inperiod > 4000) { 2048 higher_busytraffic = true; 2049 2050 /* Extremely high Rx data. */ 2051 if (aver_rx_cnt_inperiod > 5000) 2052 higher_busyrxtraffic = true; 2053 } 2054 2055 /* check every tid's tx traffic */ 2056 for (tid = 0; tid <= 7; tid++) { 2057 for (idx = 0; idx <= 2; idx++) 2058 rtlpriv->link_info.tidtx_in4period[tid][idx] = 2059 rtlpriv->link_info.tidtx_in4period[tid] 2060 [idx + 1]; 2061 rtlpriv->link_info.tidtx_in4period[tid][3] = 2062 rtlpriv->link_info.tidtx_inperiod[tid]; 2063 2064 for (idx = 0; idx <= 3; idx++) 2065 tidtx_inp4eriod[tid] += 2066 rtlpriv->link_info.tidtx_in4period[tid][idx]; 2067 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 2068 if (aver_tidtx_inperiod[tid] > 5000) 2069 rtlpriv->link_info.higher_busytxtraffic[tid] = 2070 true; 2071 else 2072 rtlpriv->link_info.higher_busytxtraffic[tid] = 2073 false; 2074 } 2075 2076 /* PS is controlled by coex. */ 2077 if (rtlpriv->cfg->ops->get_btc_status() && 2078 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv)) 2079 goto label_lps_done; 2080 2081 if (rtlpriv->link_info.num_rx_inperiod + 2082 rtlpriv->link_info.num_tx_inperiod > 8 || 2083 rtlpriv->link_info.num_rx_inperiod > 2) 2084 rtl_lps_leave(hw); 2085 else 2086 rtl_lps_enter(hw); 2087 2088 label_lps_done: 2089 ; 2090 } 2091 2092 rtlpriv->link_info.num_rx_inperiod = 0; 2093 rtlpriv->link_info.num_tx_inperiod = 0; 2094 for (tid = 0; tid <= 7; tid++) 2095 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 2096 2097 rtlpriv->link_info.busytraffic = busytraffic; 2098 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 2099 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 2100 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 2101 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 2102 2103 rtlpriv->stats.txbytesunicast_inperiod = 2104 rtlpriv->stats.txbytesunicast - 2105 rtlpriv->stats.txbytesunicast_last; 2106 rtlpriv->stats.rxbytesunicast_inperiod = 2107 rtlpriv->stats.rxbytesunicast - 2108 rtlpriv->stats.rxbytesunicast_last; 2109 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast; 2110 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast; 2111 2112 rtlpriv->stats.txbytesunicast_inperiod_tp = 2113 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 / 2114 1024 / 1024); 2115 rtlpriv->stats.rxbytesunicast_inperiod_tp = 2116 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 / 2117 1024 / 1024); 2118 2119 /* <3> DM */ 2120 if (!rtlpriv->cfg->mod_params->disable_watchdog) 2121 rtlpriv->cfg->ops->dm_watchdog(hw); 2122 2123 /* <4> roaming */ 2124 if (mac->link_state == MAC80211_LINKED && 2125 mac->opmode == NL80211_IFTYPE_STATION) { 2126 if ((rtlpriv->link_info.bcn_rx_inperiod + 2127 rtlpriv->link_info.num_rx_inperiod) == 0) { 2128 rtlpriv->link_info.roam_times++; 2129 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 2130 "AP off for %d s\n", 2131 (rtlpriv->link_info.roam_times * 2)); 2132 2133 /* if we can't recv beacon for 10s, 2134 * we should reconnect this AP 2135 */ 2136 if (rtlpriv->link_info.roam_times >= 5) { 2137 pr_err("AP off, try to reconnect now\n"); 2138 rtlpriv->link_info.roam_times = 0; 2139 ieee80211_connection_loss( 2140 rtlpriv->mac80211.vif); 2141 } 2142 } else { 2143 rtlpriv->link_info.roam_times = 0; 2144 } 2145 } 2146 2147 if (rtlpriv->cfg->ops->get_btc_status()) 2148 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 2149 2150 if (rtlpriv->btcoexist.btc_info.in_4way) { 2151 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts + 2152 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME))) 2153 rtlpriv->btcoexist.btc_info.in_4way = false; 2154 } 2155 2156 rtlpriv->link_info.bcn_rx_inperiod = 0; 2157 2158 /* <6> scan list */ 2159 rtl_scan_list_expire(hw); 2160 } 2161 2162 void rtl_watch_dog_timer_callback(struct timer_list *t) 2163 { 2164 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer); 2165 2166 queue_delayed_work(rtlpriv->works.rtl_wq, 2167 &rtlpriv->works.watchdog_wq, 0); 2168 2169 mod_timer(&rtlpriv->works.watchdog_timer, 2170 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 2171 } 2172 void rtl_fwevt_wq_callback(void *data) 2173 { 2174 struct rtl_works *rtlworks = 2175 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); 2176 struct ieee80211_hw *hw = rtlworks->hw; 2177 struct rtl_priv *rtlpriv = rtl_priv(hw); 2178 2179 rtlpriv->cfg->ops->c2h_command_handle(hw); 2180 } 2181 2182 void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, u8 tag, u8 len, u8 *val) 2183 { 2184 struct rtl_priv *rtlpriv = rtl_priv(hw); 2185 unsigned long flags; 2186 struct rtl_c2hcmd *c2hcmd; 2187 2188 c2hcmd = kmalloc(sizeof(*c2hcmd), 2189 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); 2190 2191 if (!c2hcmd) 2192 goto label_err; 2193 2194 c2hcmd->val = kmalloc(len, 2195 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); 2196 2197 if (!c2hcmd->val) 2198 goto label_err2; 2199 2200 /* fill data */ 2201 c2hcmd->tag = tag; 2202 c2hcmd->len = len; 2203 memcpy(c2hcmd->val, val, len); 2204 2205 /* enqueue */ 2206 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags); 2207 2208 list_add_tail(&c2hcmd->list, &rtlpriv->c2hcmd_list); 2209 2210 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags); 2211 2212 /* wake up wq */ 2213 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0); 2214 2215 return; 2216 2217 label_err2: 2218 kfree(c2hcmd); 2219 2220 label_err: 2221 RT_TRACE(rtlpriv, COMP_CMD, DBG_WARNING, 2222 "C2H cmd enqueue fail.\n"); 2223 } 2224 EXPORT_SYMBOL(rtl_c2hcmd_enqueue); 2225 2226 void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec) 2227 { 2228 struct rtl_priv *rtlpriv = rtl_priv(hw); 2229 unsigned long flags; 2230 struct rtl_c2hcmd *c2hcmd; 2231 int i; 2232 2233 for (i = 0; i < 200; i++) { 2234 /* dequeue a task */ 2235 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags); 2236 2237 c2hcmd = list_first_entry_or_null(&rtlpriv->c2hcmd_list, 2238 struct rtl_c2hcmd, list); 2239 2240 if (c2hcmd) 2241 list_del(&c2hcmd->list); 2242 2243 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags); 2244 2245 /* do it */ 2246 if (!c2hcmd) 2247 break; 2248 2249 if (rtlpriv->cfg->ops->c2h_content_parsing && exec) 2250 rtlpriv->cfg->ops->c2h_content_parsing(hw, 2251 c2hcmd->tag, c2hcmd->len, c2hcmd->val); 2252 2253 /* free */ 2254 kfree(c2hcmd->val); 2255 2256 kfree(c2hcmd); 2257 } 2258 } 2259 2260 void rtl_c2hcmd_wq_callback(void *data) 2261 { 2262 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 2263 struct rtl_works, 2264 c2hcmd_wq); 2265 struct ieee80211_hw *hw = rtlworks->hw; 2266 2267 rtl_c2hcmd_launcher(hw, 1); 2268 } 2269 2270 void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t) 2271 { 2272 struct rtl_priv *rtlpriv = 2273 from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer); 2274 struct ieee80211_hw *hw = rtlpriv->hw; 2275 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; 2276 2277 if (buddy_priv == NULL) 2278 return; 2279 2280 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); 2281 } 2282 /********************************************************* 2283 * 2284 * frame process functions 2285 * 2286 *********************************************************/ 2287 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 2288 { 2289 struct ieee80211_mgmt *mgmt = (void *)data; 2290 u8 *pos, *end; 2291 2292 pos = (u8 *)mgmt->u.beacon.variable; 2293 end = data + len; 2294 while (pos < end) { 2295 if (pos + 2 + pos[1] > end) 2296 return NULL; 2297 2298 if (pos[0] == ie) 2299 return pos; 2300 2301 pos += 2 + pos[1]; 2302 } 2303 return NULL; 2304 } 2305 2306 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 2307 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 2308 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 2309 enum ieee80211_smps_mode smps, 2310 u8 *da, u8 *bssid) 2311 { 2312 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2313 struct sk_buff *skb; 2314 struct ieee80211_mgmt *action_frame; 2315 2316 /* 27 = header + category + action + smps mode */ 2317 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 2318 if (!skb) 2319 return NULL; 2320 2321 skb_reserve(skb, hw->extra_tx_headroom); 2322 action_frame = skb_put_zero(skb, 27); 2323 memcpy(action_frame->da, da, ETH_ALEN); 2324 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 2325 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2326 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2327 IEEE80211_STYPE_ACTION); 2328 action_frame->u.action.category = WLAN_CATEGORY_HT; 2329 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 2330 switch (smps) { 2331 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 2332 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 2333 WARN_ON(1); 2334 /* fall through */ 2335 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 2336 action_frame->u.action.u.ht_smps.smps_control = 2337 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 2338 break; 2339 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 2340 action_frame->u.action.u.ht_smps.smps_control = 2341 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 2342 break; 2343 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 2344 action_frame->u.action.u.ht_smps.smps_control = 2345 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 2346 break; 2347 } 2348 2349 return skb; 2350 } 2351 2352 int rtl_send_smps_action(struct ieee80211_hw *hw, 2353 struct ieee80211_sta *sta, 2354 enum ieee80211_smps_mode smps) 2355 { 2356 struct rtl_priv *rtlpriv = rtl_priv(hw); 2357 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2358 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 2359 struct sk_buff *skb = NULL; 2360 struct rtl_tcb_desc tcb_desc; 2361 u8 bssid[ETH_ALEN] = {0}; 2362 2363 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 2364 2365 if (rtlpriv->mac80211.act_scanning) 2366 goto err_free; 2367 2368 if (!sta) 2369 goto err_free; 2370 2371 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 2372 goto err_free; 2373 2374 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 2375 goto err_free; 2376 2377 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 2378 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 2379 else 2380 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 2381 2382 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 2383 /* this is a type = mgmt * stype = action frame */ 2384 if (skb) { 2385 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 2386 struct rtl_sta_info *sta_entry = 2387 (struct rtl_sta_info *) sta->drv_priv; 2388 sta_entry->mimo_ps = smps; 2389 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */ 2390 2391 info->control.rates[0].idx = 0; 2392 info->band = hw->conf.chandef.chan->band; 2393 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 2394 } 2395 return 1; 2396 2397 err_free: 2398 return 0; 2399 } 2400 EXPORT_SYMBOL(rtl_send_smps_action); 2401 2402 void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 2403 { 2404 struct rtl_priv *rtlpriv = rtl_priv(hw); 2405 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 2406 enum io_type iotype; 2407 2408 if (!is_hal_stop(rtlhal)) { 2409 switch (operation) { 2410 case SCAN_OPT_BACKUP: 2411 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 2412 rtlpriv->cfg->ops->set_hw_reg(hw, 2413 HW_VAR_IO_CMD, 2414 (u8 *)&iotype); 2415 break; 2416 case SCAN_OPT_RESTORE: 2417 iotype = IO_CMD_RESUME_DM_BY_SCAN; 2418 rtlpriv->cfg->ops->set_hw_reg(hw, 2419 HW_VAR_IO_CMD, 2420 (u8 *)&iotype); 2421 break; 2422 default: 2423 pr_err("Unknown Scan Backup operation.\n"); 2424 break; 2425 } 2426 } 2427 } 2428 EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 2429 2430 /* because mac80211 have issues when can receive del ba 2431 * so here we just make a fake del_ba if we receive a ba_req 2432 * but rx_agg was opened to let mac80211 release some ba 2433 * related resources, so please this del_ba for tx 2434 */ 2435 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 2436 u8 *sa, u8 *bssid, u16 tid) 2437 { 2438 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 2439 struct sk_buff *skb; 2440 struct ieee80211_mgmt *action_frame; 2441 u16 params; 2442 2443 /* 27 = header + category + action + smps mode */ 2444 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 2445 if (!skb) 2446 return NULL; 2447 2448 skb_reserve(skb, hw->extra_tx_headroom); 2449 action_frame = skb_put_zero(skb, 34); 2450 memcpy(action_frame->sa, sa, ETH_ALEN); 2451 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 2452 memcpy(action_frame->bssid, bssid, ETH_ALEN); 2453 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2454 IEEE80211_STYPE_ACTION); 2455 action_frame->u.action.category = WLAN_CATEGORY_BACK; 2456 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 2457 params = (u16)(1 << 11); /* bit 11 initiator */ 2458 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 2459 2460 action_frame->u.action.u.delba.params = cpu_to_le16(params); 2461 action_frame->u.action.u.delba.reason_code = 2462 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 2463 2464 return skb; 2465 } 2466 2467 /********************************************************* 2468 * 2469 * IOT functions 2470 * 2471 *********************************************************/ 2472 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 2473 struct octet_string vendor_ie) 2474 { 2475 struct rtl_priv *rtlpriv = rtl_priv(hw); 2476 bool matched = false; 2477 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 2478 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 2479 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 2480 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 2481 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 2482 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 2483 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 2484 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 2485 2486 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 2487 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 2488 rtlpriv->mac80211.vendor = PEER_ATH; 2489 matched = true; 2490 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 2491 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 2492 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 2493 rtlpriv->mac80211.vendor = PEER_BROAD; 2494 matched = true; 2495 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 2496 rtlpriv->mac80211.vendor = PEER_RAL; 2497 matched = true; 2498 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 2499 rtlpriv->mac80211.vendor = PEER_CISCO; 2500 matched = true; 2501 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 2502 rtlpriv->mac80211.vendor = PEER_MARV; 2503 matched = true; 2504 } 2505 2506 return matched; 2507 } 2508 2509 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 2510 unsigned int len) 2511 { 2512 struct ieee80211_mgmt *mgmt = (void *)data; 2513 struct octet_string vendor_ie; 2514 u8 *pos, *end; 2515 2516 pos = (u8 *)mgmt->u.beacon.variable; 2517 end = data + len; 2518 while (pos < end) { 2519 if (pos[0] == 221) { 2520 vendor_ie.length = pos[1]; 2521 vendor_ie.octet = &pos[2]; 2522 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 2523 return true; 2524 } 2525 2526 if (pos + 2 + pos[1] > end) 2527 return false; 2528 2529 pos += 2 + pos[1]; 2530 } 2531 return false; 2532 } 2533 2534 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 2535 { 2536 struct rtl_priv *rtlpriv = rtl_priv(hw); 2537 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2538 struct ieee80211_hdr *hdr = (void *)data; 2539 u32 vendor = PEER_UNKNOWN; 2540 2541 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 2542 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 2543 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 2544 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 2545 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 2546 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 2547 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 2548 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 2549 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 2550 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 2551 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 2552 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 2553 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 2554 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 2555 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 2556 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 2557 2558 if (mac->opmode != NL80211_IFTYPE_STATION) 2559 return; 2560 2561 if (mac->link_state == MAC80211_NOLINK) { 2562 mac->vendor = PEER_UNKNOWN; 2563 return; 2564 } 2565 2566 if (mac->cnt_after_linked > 2) 2567 return; 2568 2569 /* check if this really is a beacon */ 2570 if (!ieee80211_is_beacon(hdr->frame_control)) 2571 return; 2572 2573 /* min. beacon length + FCS_LEN */ 2574 if (len <= 40 + FCS_LEN) 2575 return; 2576 2577 /* and only beacons from the associated BSSID, please */ 2578 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 2579 return; 2580 2581 if (rtl_find_221_ie(hw, data, len)) 2582 vendor = mac->vendor; 2583 2584 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 2585 (memcmp(mac->bssid, ap5_2, 3) == 0) || 2586 (memcmp(mac->bssid, ap5_3, 3) == 0) || 2587 (memcmp(mac->bssid, ap5_4, 3) == 0) || 2588 (memcmp(mac->bssid, ap5_5, 3) == 0) || 2589 (memcmp(mac->bssid, ap5_6, 3) == 0) || 2590 vendor == PEER_ATH) { 2591 vendor = PEER_ATH; 2592 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 2593 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 2594 (memcmp(mac->bssid, ap4_5, 3) == 0) || 2595 (memcmp(mac->bssid, ap4_1, 3) == 0) || 2596 (memcmp(mac->bssid, ap4_2, 3) == 0) || 2597 (memcmp(mac->bssid, ap4_3, 3) == 0) || 2598 vendor == PEER_RAL) { 2599 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 2600 vendor = PEER_RAL; 2601 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 2602 vendor == PEER_CISCO) { 2603 vendor = PEER_CISCO; 2604 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 2605 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 2606 (memcmp(mac->bssid, ap3_2, 3) == 0) || 2607 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2608 vendor == PEER_BROAD) { 2609 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2610 vendor = PEER_BROAD; 2611 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2612 vendor == PEER_MARV) { 2613 vendor = PEER_MARV; 2614 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2615 } 2616 2617 mac->vendor = vendor; 2618 } 2619 EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2620 2621 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2622 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2623 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2624 MODULE_LICENSE("GPL"); 2625 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2626 2627 struct rtl_global_var rtl_global_var = {}; 2628 EXPORT_SYMBOL_GPL(rtl_global_var); 2629 2630 static int __init rtl_core_module_init(void) 2631 { 2632 if (rtl_rate_control_register()) 2633 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2634 2635 /* add debugfs */ 2636 rtl_debugfs_add_topdir(); 2637 2638 /* init some global vars */ 2639 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); 2640 spin_lock_init(&rtl_global_var.glb_list_lock); 2641 2642 return 0; 2643 } 2644 2645 static void __exit rtl_core_module_exit(void) 2646 { 2647 /*RC*/ 2648 rtl_rate_control_unregister(); 2649 2650 /* remove debugfs */ 2651 rtl_debugfs_remove_topdir(); 2652 } 2653 2654 module_init(rtl_core_module_init); 2655 module_exit(rtl_core_module_exit); 2656