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 *********************************************************/ 63static 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 80static 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 107static 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 122static 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 133static 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 145static 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 157static 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 168u8 rtl_tid_to_ac(u8 tid) 169{ 170 return tid_to_ac[tid]; 171} 172EXPORT_SYMBOL_GPL(rtl_tid_to_ac); 173 174static 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 242static 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 319static 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 hw->flags = IEEE80211_HW_SIGNAL_DBM | 398 IEEE80211_HW_RX_INCLUDES_FCS | 399 IEEE80211_HW_AMPDU_AGGREGATION | 400 IEEE80211_HW_CONNECTION_MONITOR | 401 /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */ 402 IEEE80211_HW_MFP_CAPABLE | 403 IEEE80211_HW_REPORTS_TX_ACK_STATUS | 0; 404 405 /* swlps or hwlps has been set in diff chip in init_sw_vars */ 406 if (rtlpriv->psc.swctrl_lps) 407 hw->flags |= IEEE80211_HW_SUPPORTS_PS | 408 IEEE80211_HW_PS_NULLFUNC_STACK | 409 /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */ 410 0; 411 hw->wiphy->interface_modes = 412 BIT(NL80211_IFTYPE_AP) | 413 BIT(NL80211_IFTYPE_STATION) | 414 BIT(NL80211_IFTYPE_ADHOC) | 415 BIT(NL80211_IFTYPE_MESH_POINT) | 416 BIT(NL80211_IFTYPE_P2P_CLIENT) | 417 BIT(NL80211_IFTYPE_P2P_GO); 418 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 419 420 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 421 422 hw->wiphy->rts_threshold = 2347; 423 424 hw->queues = AC_MAX; 425 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE; 426 427 /* TODO: Correct this value for our hw */ 428 /* TODO: define these hard code value */ 429 hw->max_listen_interval = 10; 430 hw->max_rate_tries = 4; 431 /* hw->max_rates = 1; */ 432 hw->sta_data_size = sizeof(struct rtl_sta_info); 433 434/* wowlan is not supported by kernel if CONFIG_PM is not defined */ 435#ifdef CONFIG_PM 436 if (rtlpriv->psc.wo_wlan_mode) { 437 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET) 438 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT; 439 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) { 440 rtlpriv->wowlan.n_patterns = 441 MAX_SUPPORT_WOL_PATTERN_NUM; 442 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE; 443 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE; 444 } 445 hw->wiphy->wowlan = &rtlpriv->wowlan; 446 } 447#endif 448 449 /* <6> mac address */ 450 if (is_valid_ether_addr(rtlefuse->dev_addr)) { 451 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr); 452 } else { 453 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 }; 454 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1); 455 SET_IEEE80211_PERM_ADDR(hw, rtlmac1); 456 } 457} 458 459static void _rtl_init_deferred_work(struct ieee80211_hw *hw) 460{ 461 struct rtl_priv *rtlpriv = rtl_priv(hw); 462 463 /* <1> timer */ 464 setup_timer(&rtlpriv->works.watchdog_timer, 465 rtl_watch_dog_timer_callback, (unsigned long)hw); 466 setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, 467 rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw); 468 /* <2> work queue */ 469 rtlpriv->works.hw = hw; 470 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); 471 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, 472 (void *)rtl_watchdog_wq_callback); 473 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, 474 (void *)rtl_ips_nic_off_wq_callback); 475 INIT_DELAYED_WORK(&rtlpriv->works.ps_work, 476 (void *)rtl_swlps_wq_callback); 477 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, 478 (void *)rtl_swlps_rfon_wq_callback); 479 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, 480 (void *)rtl_fwevt_wq_callback); 481 482} 483 484void 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} 496EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); 497 498void rtl_init_rfkill(struct ieee80211_hw *hw) 499{ 500 struct rtl_priv *rtlpriv = rtl_priv(hw); 501 502 bool radio_state; 503 bool blocked; 504 u8 valid = 0; 505 506 /*set init state to on */ 507 rtlpriv->rfkill.rfkill_state = true; 508 wiphy_rfkill_set_hw_state(hw->wiphy, 0); 509 510 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 511 512 if (valid) { 513 pr_info("rtlwifi: wireless switch is %s\n", 514 rtlpriv->rfkill.rfkill_state ? "on" : "off"); 515 516 rtlpriv->rfkill.rfkill_state = radio_state; 517 518 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; 519 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 520 } 521 522 wiphy_rfkill_start_polling(hw->wiphy); 523} 524EXPORT_SYMBOL(rtl_init_rfkill); 525 526void rtl_deinit_rfkill(struct ieee80211_hw *hw) 527{ 528 wiphy_rfkill_stop_polling(hw->wiphy); 529} 530EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); 531 532int rtl_init_core(struct ieee80211_hw *hw) 533{ 534 struct rtl_priv *rtlpriv = rtl_priv(hw); 535 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 536 537 /* <1> init mac80211 */ 538 _rtl_init_mac80211(hw); 539 rtlmac->hw = hw; 540 541 /* <2> rate control register */ 542 hw->rate_control_algorithm = "rtl_rc"; 543 544 /* 545 * <3> init CRDA must come after init 546 * mac80211 hw in _rtl_init_mac80211. 547 */ 548 if (rtl_regd_init(hw, rtl_reg_notifier)) { 549 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "REGD init failed\n"); 550 return 1; 551 } 552 553 /* <4> locks */ 554 mutex_init(&rtlpriv->locks.conf_mutex); 555 spin_lock_init(&rtlpriv->locks.ips_lock); 556 spin_lock_init(&rtlpriv->locks.irq_th_lock); 557 spin_lock_init(&rtlpriv->locks.h2c_lock); 558 spin_lock_init(&rtlpriv->locks.rf_ps_lock); 559 spin_lock_init(&rtlpriv->locks.rf_lock); 560 spin_lock_init(&rtlpriv->locks.waitq_lock); 561 spin_lock_init(&rtlpriv->locks.entry_list_lock); 562 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock); 563 spin_lock_init(&rtlpriv->locks.check_sendpkt_lock); 564 spin_lock_init(&rtlpriv->locks.fw_ps_lock); 565 spin_lock_init(&rtlpriv->locks.lps_lock); 566 spin_lock_init(&rtlpriv->locks.iqk_lock); 567 /* <5> init list */ 568 INIT_LIST_HEAD(&rtlpriv->entry_list); 569 570 rtlmac->link_state = MAC80211_NOLINK; 571 572 /* <6> init deferred work */ 573 _rtl_init_deferred_work(hw); 574 575 return 0; 576} 577EXPORT_SYMBOL_GPL(rtl_init_core); 578 579void rtl_deinit_core(struct ieee80211_hw *hw) 580{ 581} 582EXPORT_SYMBOL_GPL(rtl_deinit_core); 583 584void rtl_init_rx_config(struct ieee80211_hw *hw) 585{ 586 struct rtl_priv *rtlpriv = rtl_priv(hw); 587 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 588 589 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); 590} 591EXPORT_SYMBOL_GPL(rtl_init_rx_config); 592 593/********************************************************* 594 * 595 * tx information functions 596 * 597 *********************************************************/ 598static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw, 599 struct rtl_tcb_desc *tcb_desc, 600 struct ieee80211_tx_info *info) 601{ 602 struct rtl_priv *rtlpriv = rtl_priv(hw); 603 u8 rate_flag = info->control.rates[0].flags; 604 605 tcb_desc->use_shortpreamble = false; 606 607 /* 1M can only use Long Preamble. 11B spec */ 608 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M]) 609 return; 610 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) 611 tcb_desc->use_shortpreamble = true; 612 613 return; 614} 615 616static void _rtl_query_shortgi(struct ieee80211_hw *hw, 617 struct ieee80211_sta *sta, 618 struct rtl_tcb_desc *tcb_desc, 619 struct ieee80211_tx_info *info) 620{ 621 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 622 u8 rate_flag = info->control.rates[0].flags; 623 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0; 624 u8 sgi_80 = 0, bw_80 = 0; 625 tcb_desc->use_shortgi = false; 626 627 if (sta == NULL) 628 return; 629 630 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; 631 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; 632 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; 633 634 if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported)) 635 return; 636 637 if (!sgi_40 && !sgi_20) 638 return; 639 640 if (mac->opmode == NL80211_IFTYPE_STATION) { 641 bw_40 = mac->bw_40; 642 bw_80 = mac->bw_80; 643 } else if (mac->opmode == NL80211_IFTYPE_AP || 644 mac->opmode == NL80211_IFTYPE_ADHOC || 645 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 646 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; 647 bw_80 = sta->vht_cap.vht_supported; 648 } 649 650 if (bw_80) { 651 if (sgi_80) 652 tcb_desc->use_shortgi = true; 653 else 654 tcb_desc->use_shortgi = false; 655 } else { 656 if (bw_40 && sgi_40) 657 tcb_desc->use_shortgi = true; 658 else if (!bw_40 && sgi_20) 659 tcb_desc->use_shortgi = true; 660 } 661 662 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI)) 663 tcb_desc->use_shortgi = false; 664} 665 666static void _rtl_query_protection_mode(struct ieee80211_hw *hw, 667 struct rtl_tcb_desc *tcb_desc, 668 struct ieee80211_tx_info *info) 669{ 670 struct rtl_priv *rtlpriv = rtl_priv(hw); 671 u8 rate_flag = info->control.rates[0].flags; 672 673 /* Common Settings */ 674 tcb_desc->rts_stbc = false; 675 tcb_desc->cts_enable = false; 676 tcb_desc->rts_sc = 0; 677 tcb_desc->rts_bw = false; 678 tcb_desc->rts_use_shortpreamble = false; 679 tcb_desc->rts_use_shortgi = false; 680 681 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) { 682 /* Use CTS-to-SELF in protection mode. */ 683 tcb_desc->rts_enable = true; 684 tcb_desc->cts_enable = true; 685 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 686 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) { 687 /* Use RTS-CTS in protection mode. */ 688 tcb_desc->rts_enable = true; 689 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M]; 690 } 691} 692 693static void _rtl_txrate_selectmode(struct ieee80211_hw *hw, 694 struct ieee80211_sta *sta, 695 struct rtl_tcb_desc *tcb_desc) 696{ 697 struct rtl_priv *rtlpriv = rtl_priv(hw); 698 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 699 struct rtl_sta_info *sta_entry = NULL; 700 u8 ratr_index = 7; 701 702 if (sta) { 703 sta_entry = (struct rtl_sta_info *) sta->drv_priv; 704 ratr_index = sta_entry->ratr_index; 705 } 706 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) { 707 if (mac->opmode == NL80211_IFTYPE_STATION) { 708 tcb_desc->ratr_index = 0; 709 } else if (mac->opmode == NL80211_IFTYPE_ADHOC || 710 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 711 if (tcb_desc->multicast || tcb_desc->broadcast) { 712 tcb_desc->hw_rate = 713 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M]; 714 tcb_desc->use_driver_rate = 1; 715 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 716 } else { 717 tcb_desc->ratr_index = ratr_index; 718 } 719 } else if (mac->opmode == NL80211_IFTYPE_AP) { 720 tcb_desc->ratr_index = ratr_index; 721 } 722 } 723 724 if (rtlpriv->dm.useramask) { 725 tcb_desc->ratr_index = ratr_index; 726 /* TODO we will differentiate adhoc and station future */ 727 if (mac->opmode == NL80211_IFTYPE_STATION || 728 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 729 tcb_desc->mac_id = 0; 730 731 if (mac->mode == WIRELESS_MODE_AC_5G) 732 tcb_desc->ratr_index = 733 RATR_INX_WIRELESS_AC_5N; 734 else if (mac->mode == WIRELESS_MODE_AC_24G) 735 tcb_desc->ratr_index = 736 RATR_INX_WIRELESS_AC_24N; 737 else if (mac->mode == WIRELESS_MODE_N_24G) 738 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB; 739 else if (mac->mode == WIRELESS_MODE_N_5G) 740 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG; 741 else if (mac->mode & WIRELESS_MODE_G) 742 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB; 743 else if (mac->mode & WIRELESS_MODE_B) 744 tcb_desc->ratr_index = RATR_INX_WIRELESS_B; 745 else if (mac->mode & WIRELESS_MODE_A) 746 tcb_desc->ratr_index = RATR_INX_WIRELESS_G; 747 748 } else if (mac->opmode == NL80211_IFTYPE_AP || 749 mac->opmode == NL80211_IFTYPE_ADHOC) { 750 if (NULL != sta) { 751 if (sta->aid > 0) 752 tcb_desc->mac_id = sta->aid + 1; 753 else 754 tcb_desc->mac_id = 1; 755 } else { 756 tcb_desc->mac_id = 0; 757 } 758 } 759 } 760} 761 762static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw, 763 struct ieee80211_sta *sta, 764 struct rtl_tcb_desc *tcb_desc) 765{ 766 struct rtl_priv *rtlpriv = rtl_priv(hw); 767 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 768 769 tcb_desc->packet_bw = false; 770 if (!sta) 771 return; 772 if (mac->opmode == NL80211_IFTYPE_AP || 773 mac->opmode == NL80211_IFTYPE_ADHOC || 774 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 775 if (!(sta->ht_cap.ht_supported) || 776 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 777 return; 778 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 779 if (!mac->bw_40 || !(sta->ht_cap.ht_supported)) 780 return; 781 } 782 if (tcb_desc->multicast || tcb_desc->broadcast) 783 return; 784 785 /*use legency rate, shall use 20MHz */ 786 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]) 787 return; 788 789 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40; 790 791 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE || 792 rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE) { 793 if (mac->opmode == NL80211_IFTYPE_AP || 794 mac->opmode == NL80211_IFTYPE_ADHOC || 795 mac->opmode == NL80211_IFTYPE_MESH_POINT) { 796 if (!(sta->vht_cap.vht_supported)) 797 return; 798 } else if (mac->opmode == NL80211_IFTYPE_STATION) { 799 if (!mac->bw_80 || 800 !(sta->vht_cap.vht_supported)) 801 return; 802 } 803 if (tcb_desc->hw_rate <= 804 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]) 805 return; 806 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80; 807 } 808} 809 810static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, 811 struct ieee80211_sta *sta) 812{ 813 struct rtl_priv *rtlpriv = rtl_priv(hw); 814 struct rtl_phy *rtlphy = &(rtlpriv->phy); 815 u8 hw_rate; 816 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map); 817 818 if ((get_rf_type(rtlphy) == RF_2T2R) && 819 (tx_mcs_map & 0x000c) != 0x000c) { 820 if ((tx_mcs_map & 0x000c) >> 2 == 821 IEEE80211_VHT_MCS_SUPPORT_0_7) 822 hw_rate = 823 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7]; 824 else if ((tx_mcs_map & 0x000c) >> 2 == 825 IEEE80211_VHT_MCS_SUPPORT_0_8) 826 hw_rate = 827 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 828 else 829 hw_rate = 830 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; 831 } else { 832 if ((tx_mcs_map & 0x0003) == 833 IEEE80211_VHT_MCS_SUPPORT_0_7) 834 hw_rate = 835 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7]; 836 else if ((tx_mcs_map & 0x0003) == 837 IEEE80211_VHT_MCS_SUPPORT_0_8) 838 hw_rate = 839 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 840 else 841 hw_rate = 842 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; 843 } 844 845 return hw_rate; 846} 847 848static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, 849 struct ieee80211_sta *sta) 850{ 851 struct rtl_priv *rtlpriv = rtl_priv(hw); 852 struct rtl_phy *rtlphy = &rtlpriv->phy; 853 u8 hw_rate; 854 855 if ((get_rf_type(rtlphy) == RF_2T2R) && 856 (sta->ht_cap.mcs.rx_mask[1] != 0)) 857 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; 858 else 859 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; 860 861 return hw_rate; 862} 863 864/* mac80211's rate_idx is like this: 865 * 866 * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ 867 * 868 * B/G rate: 869 * (rx_status->flag & RX_FLAG_HT) = 0, 870 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11, 871 * 872 * N rate: 873 * (rx_status->flag & RX_FLAG_HT) = 1, 874 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 875 * 876 * 5G band:rx_status->band == IEEE80211_BAND_5GHZ 877 * A rate: 878 * (rx_status->flag & RX_FLAG_HT) = 0, 879 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7, 880 * 881 * N rate: 882 * (rx_status->flag & RX_FLAG_HT) = 1, 883 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15 884 * 885 * VHT rates: 886 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9 887 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9 888 */ 889int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, 890 u8 desc_rate) 891{ 892 int rate_idx; 893 894 if (isvht) { 895 switch (desc_rate) { 896 case DESC_RATEVHT1SS_MCS0: 897 rate_idx = 0; 898 break; 899 case DESC_RATEVHT1SS_MCS1: 900 rate_idx = 1; 901 break; 902 case DESC_RATEVHT1SS_MCS2: 903 rate_idx = 2; 904 break; 905 case DESC_RATEVHT1SS_MCS3: 906 rate_idx = 3; 907 break; 908 case DESC_RATEVHT1SS_MCS4: 909 rate_idx = 4; 910 break; 911 case DESC_RATEVHT1SS_MCS5: 912 rate_idx = 5; 913 break; 914 case DESC_RATEVHT1SS_MCS6: 915 rate_idx = 6; 916 break; 917 case DESC_RATEVHT1SS_MCS7: 918 rate_idx = 7; 919 break; 920 case DESC_RATEVHT1SS_MCS8: 921 rate_idx = 8; 922 break; 923 case DESC_RATEVHT1SS_MCS9: 924 rate_idx = 9; 925 break; 926 case DESC_RATEVHT2SS_MCS0: 927 rate_idx = 0; 928 break; 929 case DESC_RATEVHT2SS_MCS1: 930 rate_idx = 1; 931 break; 932 case DESC_RATEVHT2SS_MCS2: 933 rate_idx = 2; 934 break; 935 case DESC_RATEVHT2SS_MCS3: 936 rate_idx = 3; 937 break; 938 case DESC_RATEVHT2SS_MCS4: 939 rate_idx = 4; 940 break; 941 case DESC_RATEVHT2SS_MCS5: 942 rate_idx = 5; 943 break; 944 case DESC_RATEVHT2SS_MCS6: 945 rate_idx = 6; 946 break; 947 case DESC_RATEVHT2SS_MCS7: 948 rate_idx = 7; 949 break; 950 case DESC_RATEVHT2SS_MCS8: 951 rate_idx = 8; 952 break; 953 case DESC_RATEVHT2SS_MCS9: 954 rate_idx = 9; 955 break; 956 default: 957 rate_idx = 0; 958 break; 959 } 960 return rate_idx; 961 } 962 if (false == isht) { 963 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 964 switch (desc_rate) { 965 case DESC_RATE1M: 966 rate_idx = 0; 967 break; 968 case DESC_RATE2M: 969 rate_idx = 1; 970 break; 971 case DESC_RATE5_5M: 972 rate_idx = 2; 973 break; 974 case DESC_RATE11M: 975 rate_idx = 3; 976 break; 977 case DESC_RATE6M: 978 rate_idx = 4; 979 break; 980 case DESC_RATE9M: 981 rate_idx = 5; 982 break; 983 case DESC_RATE12M: 984 rate_idx = 6; 985 break; 986 case DESC_RATE18M: 987 rate_idx = 7; 988 break; 989 case DESC_RATE24M: 990 rate_idx = 8; 991 break; 992 case DESC_RATE36M: 993 rate_idx = 9; 994 break; 995 case DESC_RATE48M: 996 rate_idx = 10; 997 break; 998 case DESC_RATE54M: 999 rate_idx = 11; 1000 break; 1001 default: 1002 rate_idx = 0; 1003 break; 1004 } 1005 } else { 1006 switch (desc_rate) { 1007 case DESC_RATE6M: 1008 rate_idx = 0; 1009 break; 1010 case DESC_RATE9M: 1011 rate_idx = 1; 1012 break; 1013 case DESC_RATE12M: 1014 rate_idx = 2; 1015 break; 1016 case DESC_RATE18M: 1017 rate_idx = 3; 1018 break; 1019 case DESC_RATE24M: 1020 rate_idx = 4; 1021 break; 1022 case DESC_RATE36M: 1023 rate_idx = 5; 1024 break; 1025 case DESC_RATE48M: 1026 rate_idx = 6; 1027 break; 1028 case DESC_RATE54M: 1029 rate_idx = 7; 1030 break; 1031 default: 1032 rate_idx = 0; 1033 break; 1034 } 1035 } 1036 } else { 1037 switch (desc_rate) { 1038 case DESC_RATEMCS0: 1039 rate_idx = 0; 1040 break; 1041 case DESC_RATEMCS1: 1042 rate_idx = 1; 1043 break; 1044 case DESC_RATEMCS2: 1045 rate_idx = 2; 1046 break; 1047 case DESC_RATEMCS3: 1048 rate_idx = 3; 1049 break; 1050 case DESC_RATEMCS4: 1051 rate_idx = 4; 1052 break; 1053 case DESC_RATEMCS5: 1054 rate_idx = 5; 1055 break; 1056 case DESC_RATEMCS6: 1057 rate_idx = 6; 1058 break; 1059 case DESC_RATEMCS7: 1060 rate_idx = 7; 1061 break; 1062 case DESC_RATEMCS8: 1063 rate_idx = 8; 1064 break; 1065 case DESC_RATEMCS9: 1066 rate_idx = 9; 1067 break; 1068 case DESC_RATEMCS10: 1069 rate_idx = 10; 1070 break; 1071 case DESC_RATEMCS11: 1072 rate_idx = 11; 1073 break; 1074 case DESC_RATEMCS12: 1075 rate_idx = 12; 1076 break; 1077 case DESC_RATEMCS13: 1078 rate_idx = 13; 1079 break; 1080 case DESC_RATEMCS14: 1081 rate_idx = 14; 1082 break; 1083 case DESC_RATEMCS15: 1084 rate_idx = 15; 1085 break; 1086 default: 1087 rate_idx = 0; 1088 break; 1089 } 1090 } 1091 return rate_idx; 1092} 1093EXPORT_SYMBOL(rtlwifi_rate_mapping); 1094 1095void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1096 struct ieee80211_tx_info *info, 1097 struct ieee80211_sta *sta, 1098 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1099{ 1100 struct rtl_priv *rtlpriv = rtl_priv(hw); 1101 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1102 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1103 struct ieee80211_rate *txrate; 1104 __le16 fc = rtl_get_fc(skb); 1105 1106 txrate = ieee80211_get_tx_rate(hw, info); 1107 if (txrate) 1108 tcb_desc->hw_rate = txrate->hw_value; 1109 1110 if (ieee80211_is_data(fc)) { 1111 /* 1112 *we set data rate INX 0 1113 *in rtl_rc.c if skb is special data or 1114 *mgt which need low data rate. 1115 */ 1116 1117 /* 1118 *So tcb_desc->hw_rate is just used for 1119 *special data and mgt frames 1120 */ 1121 if (info->control.rates[0].idx == 0 || 1122 ieee80211_is_nullfunc(fc)) { 1123 tcb_desc->use_driver_rate = true; 1124 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 1125 1126 tcb_desc->disable_ratefallback = 1; 1127 } else { 1128 /* 1129 *because hw will nerver use hw_rate 1130 *when tcb_desc->use_driver_rate = false 1131 *so we never set highest N rate here, 1132 *and N rate will all be controlled by FW 1133 *when tcb_desc->use_driver_rate = false 1134 */ 1135 if (sta && sta->vht_cap.vht_supported) { 1136 tcb_desc->hw_rate = 1137 _rtl_get_vht_highest_n_rate(hw, sta); 1138 } else { 1139 if (sta && (sta->ht_cap.ht_supported)) { 1140 tcb_desc->hw_rate = 1141 _rtl_get_highest_n_rate(hw, sta); 1142 } else { 1143 if (rtlmac->mode == WIRELESS_MODE_B) { 1144 tcb_desc->hw_rate = 1145 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1146 } else { 1147 tcb_desc->hw_rate = 1148 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1149 } 1150 } 1151 } 1152 } 1153 1154 if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) 1155 tcb_desc->multicast = 1; 1156 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr))) 1157 tcb_desc->broadcast = 1; 1158 1159 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1160 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1161 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1162 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1163 _rtl_query_protection_mode(hw, tcb_desc, info); 1164 } else { 1165 tcb_desc->use_driver_rate = true; 1166 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 1167 tcb_desc->disable_ratefallback = 1; 1168 tcb_desc->mac_id = 0; 1169 tcb_desc->packet_bw = false; 1170 } 1171} 1172EXPORT_SYMBOL(rtl_get_tcb_desc); 1173 1174bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1175{ 1176 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1177 struct rtl_priv *rtlpriv = rtl_priv(hw); 1178 __le16 fc = rtl_get_fc(skb); 1179 1180 if (rtlpriv->dm.supp_phymode_switch && 1181 mac->link_state < MAC80211_LINKED && 1182 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { 1183 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1184 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1185 } 1186 if (ieee80211_is_auth(fc)) { 1187 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); 1188 rtl_ips_nic_on(hw); 1189 1190 mac->link_state = MAC80211_LINKING; 1191 /* Dul mac */ 1192 rtlpriv->phy.need_iqk = true; 1193 1194 } 1195 1196 return true; 1197} 1198EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1199 1200struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1201 u8 *bssid, u16 tid); 1202 1203static void process_agg_start(struct ieee80211_hw *hw, 1204 struct ieee80211_hdr *hdr, u16 tid) 1205{ 1206 struct rtl_priv *rtlpriv = rtl_priv(hw); 1207 struct ieee80211_rx_status rx_status = { 0 }; 1208 struct sk_buff *skb_delba = NULL; 1209 1210 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); 1211 if (skb_delba) { 1212 rx_status.freq = hw->conf.chandef.chan->center_freq; 1213 rx_status.band = hw->conf.chandef.chan->band; 1214 rx_status.flag |= RX_FLAG_DECRYPTED; 1215 rx_status.flag |= RX_FLAG_MACTIME_START; 1216 rx_status.rate_idx = 0; 1217 rx_status.signal = 50 + 10; 1218 memcpy(IEEE80211_SKB_RXCB(skb_delba), 1219 &rx_status, sizeof(rx_status)); 1220 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, 1221 "fake del\n", 1222 skb_delba->data, 1223 skb_delba->len); 1224 ieee80211_rx_irqsafe(hw, skb_delba); 1225 } 1226} 1227 1228bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1229{ 1230 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1231 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1232 struct rtl_priv *rtlpriv = rtl_priv(hw); 1233 __le16 fc = rtl_get_fc(skb); 1234 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); 1235 u8 category; 1236 1237 if (!ieee80211_is_action(fc)) 1238 return true; 1239 1240 category = *act; 1241 act++; 1242 switch (category) { 1243 case ACT_CAT_BA: 1244 switch (*act) { 1245 case ACT_ADDBAREQ: 1246 if (mac->act_scanning) 1247 return false; 1248 1249 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1250 "%s ACT_ADDBAREQ From :%pM\n", 1251 is_tx ? "Tx" : "Rx", hdr->addr2); 1252 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", 1253 skb->data, skb->len); 1254 if (!is_tx) { 1255 struct ieee80211_sta *sta = NULL; 1256 struct rtl_sta_info *sta_entry = NULL; 1257 struct rtl_tid_data *tid_data; 1258 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1259 u16 capab = 0, tid = 0; 1260 1261 rcu_read_lock(); 1262 sta = rtl_find_sta(hw, hdr->addr3); 1263 if (sta == NULL) { 1264 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV, 1265 DBG_DMESG, "sta is NULL\n"); 1266 rcu_read_unlock(); 1267 return true; 1268 } 1269 1270 sta_entry = 1271 (struct rtl_sta_info *)sta->drv_priv; 1272 if (!sta_entry) { 1273 rcu_read_unlock(); 1274 return true; 1275 } 1276 capab = 1277 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1278 tid = (capab & 1279 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1280 tid_data = &sta_entry->tids[tid]; 1281 if (tid_data->agg.rx_agg_state == 1282 RTL_RX_AGG_START) 1283 process_agg_start(hw, hdr, tid); 1284 rcu_read_unlock(); 1285 } 1286 break; 1287 case ACT_ADDBARSP: 1288 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1289 "%s ACT_ADDBARSP From :%pM\n", 1290 is_tx ? "Tx" : "Rx", hdr->addr2); 1291 break; 1292 case ACT_DELBA: 1293 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1294 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1295 break; 1296 } 1297 break; 1298 default: 1299 break; 1300 } 1301 1302 return true; 1303} 1304EXPORT_SYMBOL_GPL(rtl_action_proc); 1305 1306static void setup_arp_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc) 1307{ 1308 rtlpriv->ra.is_special_data = true; 1309 if (rtlpriv->cfg->ops->get_btc_status()) 1310 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1311 rtlpriv, 1); 1312 rtlpriv->enter_ps = false; 1313 schedule_work(&rtlpriv->works.lps_change_work); 1314 ppsc->last_delaylps_stamp_jiffies = jiffies; 1315} 1316 1317/*should call before software enc*/ 1318u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx, 1319 bool is_enc) 1320{ 1321 struct rtl_priv *rtlpriv = rtl_priv(hw); 1322 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1323 __le16 fc = rtl_get_fc(skb); 1324 u16 ether_type; 1325 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1326 u8 encrypt_header_len = 0; 1327 u8 offset; 1328 const struct iphdr *ip; 1329 1330 if (!ieee80211_is_data(fc)) 1331 goto end; 1332 1333 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1334 case WEP40_ENCRYPTION: 1335 case WEP104_ENCRYPTION: 1336 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1337 break; 1338 case TKIP_ENCRYPTION: 1339 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1340 break; 1341 case AESCCMP_ENCRYPTION: 1342 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1343 break; 1344 default: 1345 break; 1346 } 1347 1348 offset = mac_hdr_len + SNAP_SIZE; 1349 if (is_enc) 1350 offset += encrypt_header_len; 1351 ether_type = be16_to_cpup((__be16 *)(skb->data + offset)); 1352 1353 if (ETH_P_IP == ether_type) { 1354 ip = (struct iphdr *)((u8 *)skb->data + offset + 1355 PROTOC_TYPE_SIZE); 1356 if (IPPROTO_UDP == ip->protocol) { 1357 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1358 (ip->ihl << 2)); 1359 if (((((u8 *)udp)[1] == 68) && 1360 (((u8 *)udp)[3] == 67)) || 1361 ((((u8 *)udp)[1] == 67) && 1362 (((u8 *)udp)[3] == 68))) { 1363 /* 68 : UDP BOOTP client 1364 * 67 : UDP BOOTP server 1365 */ 1366 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), 1367 DBG_DMESG, "dhcp %s !!\n", 1368 (is_tx) ? "Tx" : "Rx"); 1369 1370 if (is_tx) 1371 setup_arp_tx(rtlpriv, ppsc); 1372 return true; 1373 } 1374 } 1375 } else if (ETH_P_ARP == ether_type) { 1376 if (is_tx) 1377 setup_arp_tx(rtlpriv, ppsc); 1378 1379 return true; 1380 } else if (ETH_P_PAE == ether_type) { 1381 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1382 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1383 1384 if (is_tx) { 1385 rtlpriv->ra.is_special_data = true; 1386 rtlpriv->enter_ps = false; 1387 schedule_work(&rtlpriv->works.lps_change_work); 1388 ppsc->last_delaylps_stamp_jiffies = jiffies; 1389 } 1390 1391 return true; 1392 } else if (ETH_P_IPV6 == ether_type) { 1393 /* TODO: Handle any IPv6 cases that need special handling. 1394 * For now, always return false 1395 */ 1396 goto end; 1397 } 1398 1399end: 1400 rtlpriv->ra.is_special_data = false; 1401 return false; 1402} 1403EXPORT_SYMBOL_GPL(rtl_is_special_data); 1404 1405/********************************************************* 1406 * 1407 * functions called by core.c 1408 * 1409 *********************************************************/ 1410int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1411 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1412{ 1413 struct rtl_priv *rtlpriv = rtl_priv(hw); 1414 struct rtl_tid_data *tid_data; 1415 struct rtl_sta_info *sta_entry = NULL; 1416 1417 if (sta == NULL) 1418 return -EINVAL; 1419 1420 if (unlikely(tid >= MAX_TID_COUNT)) 1421 return -EINVAL; 1422 1423 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1424 if (!sta_entry) 1425 return -ENXIO; 1426 tid_data = &sta_entry->tids[tid]; 1427 1428 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1429 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1430 tid_data->seq_number); 1431 1432 *ssn = tid_data->seq_number; 1433 tid_data->agg.agg_state = RTL_AGG_START; 1434 1435 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1436 return 0; 1437} 1438 1439int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1440 struct ieee80211_sta *sta, u16 tid) 1441{ 1442 struct rtl_priv *rtlpriv = rtl_priv(hw); 1443 struct rtl_tid_data *tid_data; 1444 struct rtl_sta_info *sta_entry = NULL; 1445 1446 if (sta == NULL) 1447 return -EINVAL; 1448 1449 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1450 "on ra = %pM tid = %d\n", sta->addr, tid); 1451 1452 if (unlikely(tid >= MAX_TID_COUNT)) 1453 return -EINVAL; 1454 1455 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1456 tid_data = &sta_entry->tids[tid]; 1457 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1458 1459 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1460 return 0; 1461} 1462 1463int rtl_rx_agg_start(struct ieee80211_hw *hw, 1464 struct ieee80211_sta *sta, u16 tid) 1465{ 1466 struct rtl_priv *rtlpriv = rtl_priv(hw); 1467 struct rtl_tid_data *tid_data; 1468 struct rtl_sta_info *sta_entry = NULL; 1469 1470 if (sta == NULL) 1471 return -EINVAL; 1472 1473 if (unlikely(tid >= MAX_TID_COUNT)) 1474 return -EINVAL; 1475 1476 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1477 if (!sta_entry) 1478 return -ENXIO; 1479 tid_data = &sta_entry->tids[tid]; 1480 1481 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, 1482 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1483 tid_data->seq_number); 1484 1485 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1486 return 0; 1487} 1488 1489int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1490 struct ieee80211_sta *sta, u16 tid) 1491{ 1492 struct rtl_priv *rtlpriv = rtl_priv(hw); 1493 struct rtl_sta_info *sta_entry = NULL; 1494 1495 if (sta == NULL) 1496 return -EINVAL; 1497 1498 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1499 "on ra = %pM tid = %d\n", sta->addr, tid); 1500 1501 if (unlikely(tid >= MAX_TID_COUNT)) 1502 return -EINVAL; 1503 1504 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1505 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1506 1507 return 0; 1508} 1509int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1510 struct ieee80211_sta *sta, u16 tid) 1511{ 1512 struct rtl_priv *rtlpriv = rtl_priv(hw); 1513 struct rtl_sta_info *sta_entry = NULL; 1514 1515 if (sta == NULL) 1516 return -EINVAL; 1517 1518 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1519 "on ra = %pM tid = %d\n", sta->addr, tid); 1520 1521 if (unlikely(tid >= MAX_TID_COUNT)) 1522 return -EINVAL; 1523 1524 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1525 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1526 1527 return 0; 1528} 1529 1530/********************************************************* 1531 * 1532 * wq & timer callback functions 1533 * 1534 *********************************************************/ 1535/* this function is used for roaming */ 1536void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1537{ 1538 struct rtl_priv *rtlpriv = rtl_priv(hw); 1539 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1540 1541 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1542 return; 1543 1544 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1545 return; 1546 1547 /* check if this really is a beacon */ 1548 if (!ieee80211_is_beacon(hdr->frame_control) && 1549 !ieee80211_is_probe_resp(hdr->frame_control)) 1550 return; 1551 1552 /* min. beacon length + FCS_LEN */ 1553 if (skb->len <= 40 + FCS_LEN) 1554 return; 1555 1556 /* and only beacons from the associated BSSID, please */ 1557 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1558 return; 1559 1560 rtlpriv->link_info.bcn_rx_inperiod++; 1561} 1562EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1563 1564void rtl_watchdog_wq_callback(void *data) 1565{ 1566 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 1567 struct rtl_works, 1568 watchdog_wq); 1569 struct ieee80211_hw *hw = rtlworks->hw; 1570 struct rtl_priv *rtlpriv = rtl_priv(hw); 1571 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1572 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1573 bool busytraffic = false; 1574 bool tx_busy_traffic = false; 1575 bool rx_busy_traffic = false; 1576 bool higher_busytraffic = false; 1577 bool higher_busyrxtraffic = false; 1578 u8 idx, tid; 1579 u32 rx_cnt_inp4eriod = 0; 1580 u32 tx_cnt_inp4eriod = 0; 1581 u32 aver_rx_cnt_inperiod = 0; 1582 u32 aver_tx_cnt_inperiod = 0; 1583 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 1584 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 1585 1586 if (is_hal_stop(rtlhal)) 1587 return; 1588 1589 /* <1> Determine if action frame is allowed */ 1590 if (mac->link_state > MAC80211_NOLINK) { 1591 if (mac->cnt_after_linked < 20) 1592 mac->cnt_after_linked++; 1593 } else { 1594 mac->cnt_after_linked = 0; 1595 } 1596 1597 /* <2> to check if traffic busy, if 1598 * busytraffic we don't change channel 1599 */ 1600 if (mac->link_state >= MAC80211_LINKED) { 1601 1602 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 1603 for (idx = 0; idx <= 2; idx++) { 1604 rtlpriv->link_info.num_rx_in4period[idx] = 1605 rtlpriv->link_info.num_rx_in4period[idx + 1]; 1606 rtlpriv->link_info.num_tx_in4period[idx] = 1607 rtlpriv->link_info.num_tx_in4period[idx + 1]; 1608 } 1609 rtlpriv->link_info.num_rx_in4period[3] = 1610 rtlpriv->link_info.num_rx_inperiod; 1611 rtlpriv->link_info.num_tx_in4period[3] = 1612 rtlpriv->link_info.num_tx_inperiod; 1613 for (idx = 0; idx <= 3; idx++) { 1614 rx_cnt_inp4eriod += 1615 rtlpriv->link_info.num_rx_in4period[idx]; 1616 tx_cnt_inp4eriod += 1617 rtlpriv->link_info.num_tx_in4period[idx]; 1618 } 1619 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 1620 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 1621 1622 /* (2) check traffic busy */ 1623 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 1624 busytraffic = true; 1625 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 1626 rx_busy_traffic = true; 1627 else 1628 tx_busy_traffic = false; 1629 } 1630 1631 /* Higher Tx/Rx data. */ 1632 if (aver_rx_cnt_inperiod > 4000 || 1633 aver_tx_cnt_inperiod > 4000) { 1634 higher_busytraffic = true; 1635 1636 /* Extremely high Rx data. */ 1637 if (aver_rx_cnt_inperiod > 5000) 1638 higher_busyrxtraffic = true; 1639 } 1640 1641 /* check every tid's tx traffic */ 1642 for (tid = 0; tid <= 7; tid++) { 1643 for (idx = 0; idx <= 2; idx++) 1644 rtlpriv->link_info.tidtx_in4period[tid][idx] = 1645 rtlpriv->link_info.tidtx_in4period[tid] 1646 [idx + 1]; 1647 rtlpriv->link_info.tidtx_in4period[tid][3] = 1648 rtlpriv->link_info.tidtx_inperiod[tid]; 1649 1650 for (idx = 0; idx <= 3; idx++) 1651 tidtx_inp4eriod[tid] += 1652 rtlpriv->link_info.tidtx_in4period[tid][idx]; 1653 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 1654 if (aver_tidtx_inperiod[tid] > 5000) 1655 rtlpriv->link_info.higher_busytxtraffic[tid] = 1656 true; 1657 else 1658 rtlpriv->link_info.higher_busytxtraffic[tid] = 1659 false; 1660 } 1661 1662 if (((rtlpriv->link_info.num_rx_inperiod + 1663 rtlpriv->link_info.num_tx_inperiod) > 8) || 1664 (rtlpriv->link_info.num_rx_inperiod > 2)) 1665 rtl_lps_leave(hw); 1666 else 1667 rtl_lps_enter(hw); 1668 } 1669 1670 rtlpriv->link_info.num_rx_inperiod = 0; 1671 rtlpriv->link_info.num_tx_inperiod = 0; 1672 for (tid = 0; tid <= 7; tid++) 1673 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 1674 1675 rtlpriv->link_info.busytraffic = busytraffic; 1676 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 1677 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 1678 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 1679 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 1680 1681 /* <3> DM */ 1682 if (!rtlpriv->cfg->mod_params->disable_watchdog) 1683 rtlpriv->cfg->ops->dm_watchdog(hw); 1684 1685 /* <4> roaming */ 1686 if (mac->link_state == MAC80211_LINKED && 1687 mac->opmode == NL80211_IFTYPE_STATION) { 1688 if ((rtlpriv->link_info.bcn_rx_inperiod + 1689 rtlpriv->link_info.num_rx_inperiod) == 0) { 1690 rtlpriv->link_info.roam_times++; 1691 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 1692 "AP off for %d s\n", 1693 (rtlpriv->link_info.roam_times * 2)); 1694 1695 /* if we can't recv beacon for 10s, 1696 * we should reconnect this AP 1697 */ 1698 if (rtlpriv->link_info.roam_times >= 5) { 1699 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 1700 "AP off, try to reconnect now\n"); 1701 rtlpriv->link_info.roam_times = 0; 1702 ieee80211_connection_loss( 1703 rtlpriv->mac80211.vif); 1704 } 1705 } else { 1706 rtlpriv->link_info.roam_times = 0; 1707 } 1708 } 1709 1710 if (rtlpriv->cfg->ops->get_btc_status()) 1711 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 1712 1713 rtlpriv->link_info.bcn_rx_inperiod = 0; 1714} 1715 1716void rtl_watch_dog_timer_callback(unsigned long data) 1717{ 1718 struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 1719 struct rtl_priv *rtlpriv = rtl_priv(hw); 1720 1721 queue_delayed_work(rtlpriv->works.rtl_wq, 1722 &rtlpriv->works.watchdog_wq, 0); 1723 1724 mod_timer(&rtlpriv->works.watchdog_timer, 1725 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 1726} 1727void rtl_fwevt_wq_callback(void *data) 1728{ 1729 struct rtl_works *rtlworks = 1730 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); 1731 struct ieee80211_hw *hw = rtlworks->hw; 1732 struct rtl_priv *rtlpriv = rtl_priv(hw); 1733 1734 rtlpriv->cfg->ops->c2h_command_handle(hw); 1735} 1736void rtl_easy_concurrent_retrytimer_callback(unsigned long data) 1737{ 1738 struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 1739 struct rtl_priv *rtlpriv = rtl_priv(hw); 1740 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; 1741 1742 if (buddy_priv == NULL) 1743 return; 1744 1745 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); 1746} 1747/********************************************************* 1748 * 1749 * frame process functions 1750 * 1751 *********************************************************/ 1752u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 1753{ 1754 struct ieee80211_mgmt *mgmt = (void *)data; 1755 u8 *pos, *end; 1756 1757 pos = (u8 *)mgmt->u.beacon.variable; 1758 end = data + len; 1759 while (pos < end) { 1760 if (pos + 2 + pos[1] > end) 1761 return NULL; 1762 1763 if (pos[0] == ie) 1764 return pos; 1765 1766 pos += 2 + pos[1]; 1767 } 1768 return NULL; 1769} 1770 1771/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 1772/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 1773static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 1774 enum ieee80211_smps_mode smps, 1775 u8 *da, u8 *bssid) 1776{ 1777 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 1778 struct sk_buff *skb; 1779 struct ieee80211_mgmt *action_frame; 1780 1781 /* 27 = header + category + action + smps mode */ 1782 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 1783 if (!skb) 1784 return NULL; 1785 1786 skb_reserve(skb, hw->extra_tx_headroom); 1787 action_frame = (void *)skb_put(skb, 27); 1788 memset(action_frame, 0, 27); 1789 memcpy(action_frame->da, da, ETH_ALEN); 1790 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 1791 memcpy(action_frame->bssid, bssid, ETH_ALEN); 1792 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 1793 IEEE80211_STYPE_ACTION); 1794 action_frame->u.action.category = WLAN_CATEGORY_HT; 1795 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 1796 switch (smps) { 1797 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 1798 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 1799 WARN_ON(1); 1800 /* Here will get a 'MISSING_BREAK' in Coverity Test, just ignore it. 1801 * According to Kernel Code, here is right. 1802 */ 1803 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 1804 action_frame->u.action.u.ht_smps.smps_control = 1805 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 1806 break; 1807 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 1808 action_frame->u.action.u.ht_smps.smps_control = 1809 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 1810 break; 1811 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 1812 action_frame->u.action.u.ht_smps.smps_control = 1813 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 1814 break; 1815 } 1816 1817 return skb; 1818} 1819 1820int rtl_send_smps_action(struct ieee80211_hw *hw, 1821 struct ieee80211_sta *sta, 1822 enum ieee80211_smps_mode smps) 1823{ 1824 struct rtl_priv *rtlpriv = rtl_priv(hw); 1825 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1826 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1827 struct sk_buff *skb = NULL; 1828 struct rtl_tcb_desc tcb_desc; 1829 u8 bssid[ETH_ALEN] = {0}; 1830 1831 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1832 1833 if (rtlpriv->mac80211.act_scanning) 1834 goto err_free; 1835 1836 if (!sta) 1837 goto err_free; 1838 1839 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 1840 goto err_free; 1841 1842 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1843 goto err_free; 1844 1845 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 1846 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 1847 else 1848 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 1849 1850 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 1851 /* this is a type = mgmt * stype = action frame */ 1852 if (skb) { 1853 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 1854 struct rtl_sta_info *sta_entry = 1855 (struct rtl_sta_info *) sta->drv_priv; 1856 sta_entry->mimo_ps = smps; 1857 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */ 1858 1859 info->control.rates[0].idx = 0; 1860 info->band = hw->conf.chandef.chan->band; 1861 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 1862 } 1863 return 1; 1864 1865err_free: 1866 return 0; 1867} 1868EXPORT_SYMBOL(rtl_send_smps_action); 1869 1870void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 1871{ 1872 struct rtl_priv *rtlpriv = rtl_priv(hw); 1873 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1874 enum io_type iotype; 1875 1876 if (!is_hal_stop(rtlhal)) { 1877 switch (operation) { 1878 case SCAN_OPT_BACKUP: 1879 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 1880 rtlpriv->cfg->ops->set_hw_reg(hw, 1881 HW_VAR_IO_CMD, 1882 (u8 *)&iotype); 1883 break; 1884 case SCAN_OPT_RESTORE: 1885 iotype = IO_CMD_RESUME_DM_BY_SCAN; 1886 rtlpriv->cfg->ops->set_hw_reg(hw, 1887 HW_VAR_IO_CMD, 1888 (u8 *)&iotype); 1889 break; 1890 default: 1891 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 1892 "Unknown Scan Backup operation.\n"); 1893 break; 1894 } 1895 } 1896} 1897EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 1898 1899/* because mac80211 have issues when can receive del ba 1900 * so here we just make a fake del_ba if we receive a ba_req 1901 * but rx_agg was opened to let mac80211 release some ba 1902 * related resources, so please this del_ba for tx 1903 */ 1904struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 1905 u8 *sa, u8 *bssid, u16 tid) 1906{ 1907 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 1908 struct sk_buff *skb; 1909 struct ieee80211_mgmt *action_frame; 1910 u16 params; 1911 1912 /* 27 = header + category + action + smps mode */ 1913 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 1914 if (!skb) 1915 return NULL; 1916 1917 skb_reserve(skb, hw->extra_tx_headroom); 1918 action_frame = (void *)skb_put(skb, 34); 1919 memset(action_frame, 0, 34); 1920 memcpy(action_frame->sa, sa, ETH_ALEN); 1921 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 1922 memcpy(action_frame->bssid, bssid, ETH_ALEN); 1923 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 1924 IEEE80211_STYPE_ACTION); 1925 action_frame->u.action.category = WLAN_CATEGORY_BACK; 1926 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 1927 params = (u16)(1 << 11); /* bit 11 initiator */ 1928 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 1929 1930 action_frame->u.action.u.delba.params = cpu_to_le16(params); 1931 action_frame->u.action.u.delba.reason_code = 1932 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 1933 1934 return skb; 1935} 1936 1937/********************************************************* 1938 * 1939 * IOT functions 1940 * 1941 *********************************************************/ 1942static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 1943 struct octet_string vendor_ie) 1944{ 1945 struct rtl_priv *rtlpriv = rtl_priv(hw); 1946 bool matched = false; 1947 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 1948 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 1949 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 1950 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 1951 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 1952 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 1953 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 1954 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 1955 1956 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 1957 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 1958 rtlpriv->mac80211.vendor = PEER_ATH; 1959 matched = true; 1960 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 1961 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 1962 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 1963 rtlpriv->mac80211.vendor = PEER_BROAD; 1964 matched = true; 1965 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 1966 rtlpriv->mac80211.vendor = PEER_RAL; 1967 matched = true; 1968 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 1969 rtlpriv->mac80211.vendor = PEER_CISCO; 1970 matched = true; 1971 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 1972 rtlpriv->mac80211.vendor = PEER_MARV; 1973 matched = true; 1974 } 1975 1976 return matched; 1977} 1978 1979static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 1980 unsigned int len) 1981{ 1982 struct ieee80211_mgmt *mgmt = (void *)data; 1983 struct octet_string vendor_ie; 1984 u8 *pos, *end; 1985 1986 pos = (u8 *)mgmt->u.beacon.variable; 1987 end = data + len; 1988 while (pos < end) { 1989 if (pos[0] == 221) { 1990 vendor_ie.length = pos[1]; 1991 vendor_ie.octet = &pos[2]; 1992 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 1993 return true; 1994 } 1995 1996 if (pos + 2 + pos[1] > end) 1997 return false; 1998 1999 pos += 2 + pos[1]; 2000 } 2001 return false; 2002} 2003 2004void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 2005{ 2006 struct rtl_priv *rtlpriv = rtl_priv(hw); 2007 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 2008 struct ieee80211_hdr *hdr = (void *)data; 2009 u32 vendor = PEER_UNKNOWN; 2010 2011 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 2012 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 2013 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 2014 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 2015 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 2016 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 2017 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 2018 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 2019 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 2020 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 2021 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 2022 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 2023 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 2024 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 2025 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 2026 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 2027 2028 if (mac->opmode != NL80211_IFTYPE_STATION) 2029 return; 2030 2031 if (mac->link_state == MAC80211_NOLINK) { 2032 mac->vendor = PEER_UNKNOWN; 2033 return; 2034 } 2035 2036 if (mac->cnt_after_linked > 2) 2037 return; 2038 2039 /* check if this really is a beacon */ 2040 if (!ieee80211_is_beacon(hdr->frame_control)) 2041 return; 2042 2043 /* min. beacon length + FCS_LEN */ 2044 if (len <= 40 + FCS_LEN) 2045 return; 2046 2047 /* and only beacons from the associated BSSID, please */ 2048 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 2049 return; 2050 2051 if (rtl_find_221_ie(hw, data, len)) 2052 vendor = mac->vendor; 2053 2054 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 2055 (memcmp(mac->bssid, ap5_2, 3) == 0) || 2056 (memcmp(mac->bssid, ap5_3, 3) == 0) || 2057 (memcmp(mac->bssid, ap5_4, 3) == 0) || 2058 (memcmp(mac->bssid, ap5_5, 3) == 0) || 2059 (memcmp(mac->bssid, ap5_6, 3) == 0) || 2060 vendor == PEER_ATH) { 2061 vendor = PEER_ATH; 2062 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 2063 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 2064 (memcmp(mac->bssid, ap4_5, 3) == 0) || 2065 (memcmp(mac->bssid, ap4_1, 3) == 0) || 2066 (memcmp(mac->bssid, ap4_2, 3) == 0) || 2067 (memcmp(mac->bssid, ap4_3, 3) == 0) || 2068 vendor == PEER_RAL) { 2069 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 2070 vendor = PEER_RAL; 2071 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 2072 vendor == PEER_CISCO) { 2073 vendor = PEER_CISCO; 2074 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 2075 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 2076 (memcmp(mac->bssid, ap3_2, 3) == 0) || 2077 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2078 vendor == PEER_BROAD) { 2079 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2080 vendor = PEER_BROAD; 2081 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2082 vendor == PEER_MARV) { 2083 vendor = PEER_MARV; 2084 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2085 } 2086 2087 mac->vendor = vendor; 2088} 2089EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2090 2091/********************************************************* 2092 * 2093 * sysfs functions 2094 * 2095 *********************************************************/ 2096static ssize_t rtl_show_debug_level(struct device *d, 2097 struct device_attribute *attr, char *buf) 2098{ 2099 struct ieee80211_hw *hw = dev_get_drvdata(d); 2100 struct rtl_priv *rtlpriv = rtl_priv(hw); 2101 2102 return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel); 2103} 2104 2105static ssize_t rtl_store_debug_level(struct device *d, 2106 struct device_attribute *attr, 2107 const char *buf, size_t count) 2108{ 2109 struct ieee80211_hw *hw = dev_get_drvdata(d); 2110 struct rtl_priv *rtlpriv = rtl_priv(hw); 2111 unsigned long val; 2112 int ret; 2113 2114 ret = kstrtoul(buf, 0, &val); 2115 if (ret) { 2116 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 2117 "%s is not in hex or decimal form.\n", buf); 2118 } else { 2119 rtlpriv->dbg.global_debuglevel = val; 2120 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 2121 "debuglevel:%x\n", 2122 rtlpriv->dbg.global_debuglevel); 2123 } 2124 2125 return strnlen(buf, count); 2126} 2127 2128static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, 2129 rtl_show_debug_level, rtl_store_debug_level); 2130 2131static struct attribute *rtl_sysfs_entries[] = { 2132 2133 &dev_attr_debug_level.attr, 2134 2135 NULL 2136}; 2137 2138/* 2139 * "name" is folder name witch will be 2140 * put in device directory like : 2141 * sys/devices/pci0000:00/0000:00:1c.4/ 2142 * 0000:06:00.0/rtl_sysfs 2143 */ 2144struct attribute_group rtl_attribute_group = { 2145 .name = "rtlsysfs", 2146 .attrs = rtl_sysfs_entries, 2147}; 2148EXPORT_SYMBOL_GPL(rtl_attribute_group); 2149 2150MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2151MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2152MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2153MODULE_LICENSE("GPL"); 2154MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2155 2156struct rtl_global_var rtl_global_var = {}; 2157EXPORT_SYMBOL_GPL(rtl_global_var); 2158 2159static int __init rtl_core_module_init(void) 2160{ 2161 if (rtl_rate_control_register()) 2162 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2163 2164 /* init some global vars */ 2165 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); 2166 spin_lock_init(&rtl_global_var.glb_list_lock); 2167 2168 return 0; 2169} 2170 2171static void __exit rtl_core_module_exit(void) 2172{ 2173 /*RC*/ 2174 rtl_rate_control_unregister(); 2175} 2176 2177module_init(rtl_core_module_init); 2178module_exit(rtl_core_module_exit); 2179