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 * DESC92_RATE1M-->DESC92_RATE54M ==> idx is 0-->11, 871 * 872 * N rate: 873 * (rx_status->flag & RX_FLAG_HT) = 1, 874 * DESC92_RATEMCS0-->DESC92_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 * DESC92_RATE6M-->DESC92_RATE54M ==> idx is 0-->7, 880 * 881 * N rate: 882 * (rx_status->flag & RX_FLAG_HT) = 1, 883 * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 884 */ 885int rtlwifi_rate_mapping(struct ieee80211_hw *hw, 886 bool isht, u8 desc_rate, bool first_ampdu) 887{ 888 int rate_idx; 889 890 if (false == isht) { 891 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) { 892 switch (desc_rate) { 893 case DESC92_RATE1M: 894 rate_idx = 0; 895 break; 896 case DESC92_RATE2M: 897 rate_idx = 1; 898 break; 899 case DESC92_RATE5_5M: 900 rate_idx = 2; 901 break; 902 case DESC92_RATE11M: 903 rate_idx = 3; 904 break; 905 case DESC92_RATE6M: 906 rate_idx = 4; 907 break; 908 case DESC92_RATE9M: 909 rate_idx = 5; 910 break; 911 case DESC92_RATE12M: 912 rate_idx = 6; 913 break; 914 case DESC92_RATE18M: 915 rate_idx = 7; 916 break; 917 case DESC92_RATE24M: 918 rate_idx = 8; 919 break; 920 case DESC92_RATE36M: 921 rate_idx = 9; 922 break; 923 case DESC92_RATE48M: 924 rate_idx = 10; 925 break; 926 case DESC92_RATE54M: 927 rate_idx = 11; 928 break; 929 default: 930 rate_idx = 0; 931 break; 932 } 933 } else { 934 switch (desc_rate) { 935 case DESC92_RATE6M: 936 rate_idx = 0; 937 break; 938 case DESC92_RATE9M: 939 rate_idx = 1; 940 break; 941 case DESC92_RATE12M: 942 rate_idx = 2; 943 break; 944 case DESC92_RATE18M: 945 rate_idx = 3; 946 break; 947 case DESC92_RATE24M: 948 rate_idx = 4; 949 break; 950 case DESC92_RATE36M: 951 rate_idx = 5; 952 break; 953 case DESC92_RATE48M: 954 rate_idx = 6; 955 break; 956 case DESC92_RATE54M: 957 rate_idx = 7; 958 break; 959 default: 960 rate_idx = 0; 961 break; 962 } 963 } 964 } else { 965 switch (desc_rate) { 966 case DESC92_RATEMCS0: 967 rate_idx = 0; 968 break; 969 case DESC92_RATEMCS1: 970 rate_idx = 1; 971 break; 972 case DESC92_RATEMCS2: 973 rate_idx = 2; 974 break; 975 case DESC92_RATEMCS3: 976 rate_idx = 3; 977 break; 978 case DESC92_RATEMCS4: 979 rate_idx = 4; 980 break; 981 case DESC92_RATEMCS5: 982 rate_idx = 5; 983 break; 984 case DESC92_RATEMCS6: 985 rate_idx = 6; 986 break; 987 case DESC92_RATEMCS7: 988 rate_idx = 7; 989 break; 990 case DESC92_RATEMCS8: 991 rate_idx = 8; 992 break; 993 case DESC92_RATEMCS9: 994 rate_idx = 9; 995 break; 996 case DESC92_RATEMCS10: 997 rate_idx = 10; 998 break; 999 case DESC92_RATEMCS11: 1000 rate_idx = 11; 1001 break; 1002 case DESC92_RATEMCS12: 1003 rate_idx = 12; 1004 break; 1005 case DESC92_RATEMCS13: 1006 rate_idx = 13; 1007 break; 1008 case DESC92_RATEMCS14: 1009 rate_idx = 14; 1010 break; 1011 case DESC92_RATEMCS15: 1012 rate_idx = 15; 1013 break; 1014 default: 1015 rate_idx = 0; 1016 break; 1017 } 1018 } 1019 return rate_idx; 1020} 1021EXPORT_SYMBOL(rtlwifi_rate_mapping); 1022 1023void rtl_get_tcb_desc(struct ieee80211_hw *hw, 1024 struct ieee80211_tx_info *info, 1025 struct ieee80211_sta *sta, 1026 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc) 1027{ 1028 struct rtl_priv *rtlpriv = rtl_priv(hw); 1029 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); 1030 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1031 struct ieee80211_rate *txrate; 1032 __le16 fc = rtl_get_fc(skb); 1033 1034 txrate = ieee80211_get_tx_rate(hw, info); 1035 if (txrate) 1036 tcb_desc->hw_rate = txrate->hw_value; 1037 1038 if (ieee80211_is_data(fc)) { 1039 /* 1040 *we set data rate INX 0 1041 *in rtl_rc.c if skb is special data or 1042 *mgt which need low data rate. 1043 */ 1044 1045 /* 1046 *So tcb_desc->hw_rate is just used for 1047 *special data and mgt frames 1048 */ 1049 if (info->control.rates[0].idx == 0 || 1050 ieee80211_is_nullfunc(fc)) { 1051 tcb_desc->use_driver_rate = true; 1052 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 1053 1054 tcb_desc->disable_ratefallback = 1; 1055 } else { 1056 /* 1057 *because hw will nerver use hw_rate 1058 *when tcb_desc->use_driver_rate = false 1059 *so we never set highest N rate here, 1060 *and N rate will all be controlled by FW 1061 *when tcb_desc->use_driver_rate = false 1062 */ 1063 if (sta && sta->vht_cap.vht_supported) { 1064 tcb_desc->hw_rate = 1065 _rtl_get_vht_highest_n_rate(hw, sta); 1066 } else { 1067 if (sta && (sta->ht_cap.ht_supported)) { 1068 tcb_desc->hw_rate = 1069 _rtl_get_highest_n_rate(hw, sta); 1070 } else { 1071 if (rtlmac->mode == WIRELESS_MODE_B) { 1072 tcb_desc->hw_rate = 1073 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M]; 1074 } else { 1075 tcb_desc->hw_rate = 1076 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M]; 1077 } 1078 } 1079 } 1080 } 1081 1082 if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) 1083 tcb_desc->multicast = 1; 1084 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr))) 1085 tcb_desc->broadcast = 1; 1086 1087 _rtl_txrate_selectmode(hw, sta, tcb_desc); 1088 _rtl_query_bandwidth_mode(hw, sta, tcb_desc); 1089 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info); 1090 _rtl_query_shortgi(hw, sta, tcb_desc, info); 1091 _rtl_query_protection_mode(hw, tcb_desc, info); 1092 } else { 1093 tcb_desc->use_driver_rate = true; 1094 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC; 1095 tcb_desc->disable_ratefallback = 1; 1096 tcb_desc->mac_id = 0; 1097 tcb_desc->packet_bw = false; 1098 } 1099} 1100EXPORT_SYMBOL(rtl_get_tcb_desc); 1101 1102bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) 1103{ 1104 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1105 struct rtl_priv *rtlpriv = rtl_priv(hw); 1106 __le16 fc = rtl_get_fc(skb); 1107 1108 if (rtlpriv->dm.supp_phymode_switch && 1109 mac->link_state < MAC80211_LINKED && 1110 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) { 1111 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1112 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1113 } 1114 if (ieee80211_is_auth(fc)) { 1115 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); 1116 rtl_ips_nic_on(hw); 1117 1118 mac->link_state = MAC80211_LINKING; 1119 /* Dul mac */ 1120 rtlpriv->phy.need_iqk = true; 1121 1122 } 1123 1124 return true; 1125} 1126EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); 1127 1128struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa, 1129 u8 *bssid, u16 tid); 1130 1131static void process_agg_start(struct ieee80211_hw *hw, 1132 struct ieee80211_hdr *hdr, u16 tid) 1133{ 1134 struct rtl_priv *rtlpriv = rtl_priv(hw); 1135 struct ieee80211_rx_status rx_status = { 0 }; 1136 struct sk_buff *skb_delba = NULL; 1137 1138 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid); 1139 if (skb_delba) { 1140 rx_status.freq = hw->conf.chandef.chan->center_freq; 1141 rx_status.band = hw->conf.chandef.chan->band; 1142 rx_status.flag |= RX_FLAG_DECRYPTED; 1143 rx_status.flag |= RX_FLAG_MACTIME_START; 1144 rx_status.rate_idx = 0; 1145 rx_status.signal = 50 + 10; 1146 memcpy(IEEE80211_SKB_RXCB(skb_delba), 1147 &rx_status, sizeof(rx_status)); 1148 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, 1149 "fake del\n", 1150 skb_delba->data, 1151 skb_delba->len); 1152 ieee80211_rx_irqsafe(hw, skb_delba); 1153 } 1154} 1155 1156bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1157{ 1158 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1159 struct ieee80211_hdr *hdr = rtl_get_hdr(skb); 1160 struct rtl_priv *rtlpriv = rtl_priv(hw); 1161 __le16 fc = rtl_get_fc(skb); 1162 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN)); 1163 u8 category; 1164 1165 if (!ieee80211_is_action(fc)) 1166 return true; 1167 1168 category = *act; 1169 act++; 1170 switch (category) { 1171 case ACT_CAT_BA: 1172 switch (*act) { 1173 case ACT_ADDBAREQ: 1174 if (mac->act_scanning) 1175 return false; 1176 1177 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1178 "%s ACT_ADDBAREQ From :%pM\n", 1179 is_tx ? "Tx" : "Rx", hdr->addr2); 1180 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n", 1181 skb->data, skb->len); 1182 if (!is_tx) { 1183 struct ieee80211_sta *sta = NULL; 1184 struct rtl_sta_info *sta_entry = NULL; 1185 struct rtl_tid_data *tid_data; 1186 struct ieee80211_mgmt *mgmt = (void *)skb->data; 1187 u16 capab = 0, tid = 0; 1188 1189 rcu_read_lock(); 1190 sta = rtl_find_sta(hw, hdr->addr3); 1191 if (sta == NULL) { 1192 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV, 1193 DBG_DMESG, "sta is NULL\n"); 1194 rcu_read_unlock(); 1195 return true; 1196 } 1197 1198 sta_entry = 1199 (struct rtl_sta_info *)sta->drv_priv; 1200 if (!sta_entry) { 1201 rcu_read_unlock(); 1202 return true; 1203 } 1204 capab = 1205 le16_to_cpu(mgmt->u.action.u.addba_req.capab); 1206 tid = (capab & 1207 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; 1208 tid_data = &sta_entry->tids[tid]; 1209 if (tid_data->agg.rx_agg_state == 1210 RTL_RX_AGG_START) 1211 process_agg_start(hw, hdr, tid); 1212 rcu_read_unlock(); 1213 } 1214 break; 1215 case ACT_ADDBARSP: 1216 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1217 "%s ACT_ADDBARSP From :%pM\n", 1218 is_tx ? "Tx" : "Rx", hdr->addr2); 1219 break; 1220 case ACT_DELBA: 1221 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1222 "ACT_ADDBADEL From :%pM\n", hdr->addr2); 1223 break; 1224 } 1225 break; 1226 default: 1227 break; 1228 } 1229 1230 return true; 1231} 1232EXPORT_SYMBOL_GPL(rtl_action_proc); 1233 1234static void setup_arp_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc) 1235{ 1236 rtlpriv->ra.is_special_data = true; 1237 if (rtlpriv->cfg->ops->get_btc_status()) 1238 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify( 1239 rtlpriv, 1); 1240 rtlpriv->enter_ps = false; 1241 schedule_work(&rtlpriv->works.lps_change_work); 1242 ppsc->last_delaylps_stamp_jiffies = jiffies; 1243} 1244 1245/*should call before software enc*/ 1246u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) 1247{ 1248 struct rtl_priv *rtlpriv = rtl_priv(hw); 1249 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1250 __le16 fc = rtl_get_fc(skb); 1251 u16 ether_type; 1252 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb); 1253 u8 encrypt_header_len = 0; 1254 u8 offset; 1255 const struct iphdr *ip; 1256 1257 if (!ieee80211_is_data(fc)) 1258 goto end; 1259 1260 switch (rtlpriv->sec.pairwise_enc_algorithm) { 1261 case WEP40_ENCRYPTION: 1262 case WEP104_ENCRYPTION: 1263 encrypt_header_len = 4;/*WEP_IV_LEN*/ 1264 break; 1265 case TKIP_ENCRYPTION: 1266 encrypt_header_len = 8;/*TKIP_IV_LEN*/ 1267 break; 1268 case AESCCMP_ENCRYPTION: 1269 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/ 1270 break; 1271 default: 1272 break; 1273 } 1274 1275 offset = mac_hdr_len + SNAP_SIZE + encrypt_header_len; 1276 ether_type = be16_to_cpup((__be16 *)(skb->data + offset)); 1277 1278 if (ETH_P_IP == ether_type) { 1279 ip = (struct iphdr *)((u8 *)skb->data + offset + 1280 PROTOC_TYPE_SIZE); 1281 if (IPPROTO_UDP == ip->protocol) { 1282 struct udphdr *udp = (struct udphdr *)((u8 *)ip + 1283 (ip->ihl << 2)); 1284 if (((((u8 *)udp)[1] == 68) && 1285 (((u8 *)udp)[3] == 67)) || 1286 ((((u8 *)udp)[1] == 67) && 1287 (((u8 *)udp)[3] == 68))) { 1288 /* 68 : UDP BOOTP client 1289 * 67 : UDP BOOTP server 1290 */ 1291 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), 1292 DBG_DMESG, "dhcp %s !!\n", 1293 (is_tx) ? "Tx" : "Rx"); 1294 1295 if (is_tx) 1296 setup_arp_tx(rtlpriv, ppsc); 1297 return true; 1298 } 1299 } 1300 } else if (ETH_P_ARP == ether_type) { 1301 if (is_tx) 1302 setup_arp_tx(rtlpriv, ppsc); 1303 1304 return true; 1305 } else if (ETH_P_PAE == ether_type) { 1306 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG, 1307 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"); 1308 1309 if (is_tx) { 1310 rtlpriv->ra.is_special_data = true; 1311 rtlpriv->enter_ps = false; 1312 schedule_work(&rtlpriv->works.lps_change_work); 1313 ppsc->last_delaylps_stamp_jiffies = jiffies; 1314 } 1315 1316 return true; 1317 } else if (0x86DD == ether_type) { 1318 return true; 1319 } 1320 1321end: 1322 rtlpriv->ra.is_special_data = false; 1323 return false; 1324} 1325EXPORT_SYMBOL_GPL(rtl_is_special_data); 1326 1327/********************************************************* 1328 * 1329 * functions called by core.c 1330 * 1331 *********************************************************/ 1332int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1333 struct ieee80211_sta *sta, u16 tid, u16 *ssn) 1334{ 1335 struct rtl_priv *rtlpriv = rtl_priv(hw); 1336 struct rtl_tid_data *tid_data; 1337 struct rtl_sta_info *sta_entry = NULL; 1338 1339 if (sta == NULL) 1340 return -EINVAL; 1341 1342 if (unlikely(tid >= MAX_TID_COUNT)) 1343 return -EINVAL; 1344 1345 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1346 if (!sta_entry) 1347 return -ENXIO; 1348 tid_data = &sta_entry->tids[tid]; 1349 1350 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1351 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1352 tid_data->seq_number); 1353 1354 *ssn = tid_data->seq_number; 1355 tid_data->agg.agg_state = RTL_AGG_START; 1356 1357 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1358 return 0; 1359} 1360 1361int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1362 struct ieee80211_sta *sta, u16 tid) 1363{ 1364 struct rtl_priv *rtlpriv = rtl_priv(hw); 1365 struct rtl_tid_data *tid_data; 1366 struct rtl_sta_info *sta_entry = NULL; 1367 1368 if (sta == NULL) 1369 return -EINVAL; 1370 1371 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1372 "on ra = %pM tid = %d\n", sta->addr, tid); 1373 1374 if (unlikely(tid >= MAX_TID_COUNT)) 1375 return -EINVAL; 1376 1377 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1378 tid_data = &sta_entry->tids[tid]; 1379 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP; 1380 1381 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1382 return 0; 1383} 1384 1385int rtl_rx_agg_start(struct ieee80211_hw *hw, 1386 struct ieee80211_sta *sta, u16 tid) 1387{ 1388 struct rtl_priv *rtlpriv = rtl_priv(hw); 1389 struct rtl_tid_data *tid_data; 1390 struct rtl_sta_info *sta_entry = NULL; 1391 1392 if (sta == NULL) 1393 return -EINVAL; 1394 1395 if (unlikely(tid >= MAX_TID_COUNT)) 1396 return -EINVAL; 1397 1398 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1399 if (!sta_entry) 1400 return -ENXIO; 1401 tid_data = &sta_entry->tids[tid]; 1402 1403 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG, 1404 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid, 1405 tid_data->seq_number); 1406 1407 tid_data->agg.rx_agg_state = RTL_RX_AGG_START; 1408 return 0; 1409} 1410 1411int rtl_rx_agg_stop(struct ieee80211_hw *hw, 1412 struct ieee80211_sta *sta, u16 tid) 1413{ 1414 struct rtl_priv *rtlpriv = rtl_priv(hw); 1415 struct rtl_sta_info *sta_entry = NULL; 1416 1417 if (sta == NULL) 1418 return -EINVAL; 1419 1420 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1421 "on ra = %pM tid = %d\n", sta->addr, tid); 1422 1423 if (unlikely(tid >= MAX_TID_COUNT)) 1424 return -EINVAL; 1425 1426 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1427 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP; 1428 1429 return 0; 1430} 1431int rtl_tx_agg_oper(struct ieee80211_hw *hw, 1432 struct ieee80211_sta *sta, u16 tid) 1433{ 1434 struct rtl_priv *rtlpriv = rtl_priv(hw); 1435 struct rtl_sta_info *sta_entry = NULL; 1436 1437 if (sta == NULL) 1438 return -EINVAL; 1439 1440 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, 1441 "on ra = %pM tid = %d\n", sta->addr, tid); 1442 1443 if (unlikely(tid >= MAX_TID_COUNT)) 1444 return -EINVAL; 1445 1446 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1447 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL; 1448 1449 return 0; 1450} 1451 1452/********************************************************* 1453 * 1454 * wq & timer callback functions 1455 * 1456 *********************************************************/ 1457/* this function is used for roaming */ 1458void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) 1459{ 1460 struct rtl_priv *rtlpriv = rtl_priv(hw); 1461 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1462 1463 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION) 1464 return; 1465 1466 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1467 return; 1468 1469 /* check if this really is a beacon */ 1470 if (!ieee80211_is_beacon(hdr->frame_control) && 1471 !ieee80211_is_probe_resp(hdr->frame_control)) 1472 return; 1473 1474 /* min. beacon length + FCS_LEN */ 1475 if (skb->len <= 40 + FCS_LEN) 1476 return; 1477 1478 /* and only beacons from the associated BSSID, please */ 1479 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid)) 1480 return; 1481 1482 rtlpriv->link_info.bcn_rx_inperiod++; 1483} 1484EXPORT_SYMBOL_GPL(rtl_beacon_statistic); 1485 1486void rtl_watchdog_wq_callback(void *data) 1487{ 1488 struct rtl_works *rtlworks = container_of_dwork_rtl(data, 1489 struct rtl_works, 1490 watchdog_wq); 1491 struct ieee80211_hw *hw = rtlworks->hw; 1492 struct rtl_priv *rtlpriv = rtl_priv(hw); 1493 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1494 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1495 bool busytraffic = false; 1496 bool tx_busy_traffic = false; 1497 bool rx_busy_traffic = false; 1498 bool higher_busytraffic = false; 1499 bool higher_busyrxtraffic = false; 1500 u8 idx, tid; 1501 u32 rx_cnt_inp4eriod = 0; 1502 u32 tx_cnt_inp4eriod = 0; 1503 u32 aver_rx_cnt_inperiod = 0; 1504 u32 aver_tx_cnt_inperiod = 0; 1505 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0}; 1506 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0}; 1507 1508 if (is_hal_stop(rtlhal)) 1509 return; 1510 1511 /* <1> Determine if action frame is allowed */ 1512 if (mac->link_state > MAC80211_NOLINK) { 1513 if (mac->cnt_after_linked < 20) 1514 mac->cnt_after_linked++; 1515 } else { 1516 mac->cnt_after_linked = 0; 1517 } 1518 1519 /* <2> to check if traffic busy, if 1520 * busytraffic we don't change channel 1521 */ 1522 if (mac->link_state >= MAC80211_LINKED) { 1523 1524 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */ 1525 for (idx = 0; idx <= 2; idx++) { 1526 rtlpriv->link_info.num_rx_in4period[idx] = 1527 rtlpriv->link_info.num_rx_in4period[idx + 1]; 1528 rtlpriv->link_info.num_tx_in4period[idx] = 1529 rtlpriv->link_info.num_tx_in4period[idx + 1]; 1530 } 1531 rtlpriv->link_info.num_rx_in4period[3] = 1532 rtlpriv->link_info.num_rx_inperiod; 1533 rtlpriv->link_info.num_tx_in4period[3] = 1534 rtlpriv->link_info.num_tx_inperiod; 1535 for (idx = 0; idx <= 3; idx++) { 1536 rx_cnt_inp4eriod += 1537 rtlpriv->link_info.num_rx_in4period[idx]; 1538 tx_cnt_inp4eriod += 1539 rtlpriv->link_info.num_tx_in4period[idx]; 1540 } 1541 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4; 1542 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4; 1543 1544 /* (2) check traffic busy */ 1545 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) { 1546 busytraffic = true; 1547 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod) 1548 rx_busy_traffic = true; 1549 else 1550 tx_busy_traffic = false; 1551 } 1552 1553 /* Higher Tx/Rx data. */ 1554 if (aver_rx_cnt_inperiod > 4000 || 1555 aver_tx_cnt_inperiod > 4000) { 1556 higher_busytraffic = true; 1557 1558 /* Extremely high Rx data. */ 1559 if (aver_rx_cnt_inperiod > 5000) 1560 higher_busyrxtraffic = true; 1561 } 1562 1563 /* check every tid's tx traffic */ 1564 for (tid = 0; tid <= 7; tid++) { 1565 for (idx = 0; idx <= 2; idx++) 1566 rtlpriv->link_info.tidtx_in4period[tid][idx] = 1567 rtlpriv->link_info.tidtx_in4period[tid] 1568 [idx + 1]; 1569 rtlpriv->link_info.tidtx_in4period[tid][3] = 1570 rtlpriv->link_info.tidtx_inperiod[tid]; 1571 1572 for (idx = 0; idx <= 3; idx++) 1573 tidtx_inp4eriod[tid] += 1574 rtlpriv->link_info.tidtx_in4period[tid][idx]; 1575 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4; 1576 if (aver_tidtx_inperiod[tid] > 5000) 1577 rtlpriv->link_info.higher_busytxtraffic[tid] = 1578 true; 1579 else 1580 rtlpriv->link_info.higher_busytxtraffic[tid] = 1581 false; 1582 } 1583 1584 if (((rtlpriv->link_info.num_rx_inperiod + 1585 rtlpriv->link_info.num_tx_inperiod) > 8) || 1586 (rtlpriv->link_info.num_rx_inperiod > 2)) 1587 rtl_lps_enter(hw); 1588 else 1589 rtl_lps_leave(hw); 1590 } 1591 1592 rtlpriv->link_info.num_rx_inperiod = 0; 1593 rtlpriv->link_info.num_tx_inperiod = 0; 1594 for (tid = 0; tid <= 7; tid++) 1595 rtlpriv->link_info.tidtx_inperiod[tid] = 0; 1596 1597 rtlpriv->link_info.busytraffic = busytraffic; 1598 rtlpriv->link_info.higher_busytraffic = higher_busytraffic; 1599 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic; 1600 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic; 1601 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic; 1602 1603 /* <3> DM */ 1604 if (!rtlpriv->cfg->mod_params->disable_watchdog) 1605 rtlpriv->cfg->ops->dm_watchdog(hw); 1606 1607 /* <4> roaming */ 1608 if (mac->link_state == MAC80211_LINKED && 1609 mac->opmode == NL80211_IFTYPE_STATION) { 1610 if ((rtlpriv->link_info.bcn_rx_inperiod + 1611 rtlpriv->link_info.num_rx_inperiod) == 0) { 1612 rtlpriv->link_info.roam_times++; 1613 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 1614 "AP off for %d s\n", 1615 (rtlpriv->link_info.roam_times * 2)); 1616 1617 /* if we can't recv beacon for 10s, 1618 * we should reconnect this AP 1619 */ 1620 if (rtlpriv->link_info.roam_times >= 5) { 1621 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 1622 "AP off, try to reconnect now\n"); 1623 rtlpriv->link_info.roam_times = 0; 1624 ieee80211_connection_loss( 1625 rtlpriv->mac80211.vif); 1626 } 1627 } else { 1628 rtlpriv->link_info.roam_times = 0; 1629 } 1630 } 1631 1632 if (rtlpriv->cfg->ops->get_btc_status()) 1633 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv); 1634 1635 rtlpriv->link_info.bcn_rx_inperiod = 0; 1636} 1637 1638void rtl_watch_dog_timer_callback(unsigned long data) 1639{ 1640 struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 1641 struct rtl_priv *rtlpriv = rtl_priv(hw); 1642 1643 queue_delayed_work(rtlpriv->works.rtl_wq, 1644 &rtlpriv->works.watchdog_wq, 0); 1645 1646 mod_timer(&rtlpriv->works.watchdog_timer, 1647 jiffies + MSECS(RTL_WATCH_DOG_TIME)); 1648} 1649void rtl_fwevt_wq_callback(void *data) 1650{ 1651 struct rtl_works *rtlworks = 1652 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); 1653 struct ieee80211_hw *hw = rtlworks->hw; 1654 struct rtl_priv *rtlpriv = rtl_priv(hw); 1655 1656 rtlpriv->cfg->ops->c2h_command_handle(hw); 1657} 1658void rtl_easy_concurrent_retrytimer_callback(unsigned long data) 1659{ 1660 struct ieee80211_hw *hw = (struct ieee80211_hw *)data; 1661 struct rtl_priv *rtlpriv = rtl_priv(hw); 1662 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; 1663 1664 if (buddy_priv == NULL) 1665 return; 1666 1667 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw); 1668} 1669/********************************************************* 1670 * 1671 * frame process functions 1672 * 1673 *********************************************************/ 1674u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie) 1675{ 1676 struct ieee80211_mgmt *mgmt = (void *)data; 1677 u8 *pos, *end; 1678 1679 pos = (u8 *)mgmt->u.beacon.variable; 1680 end = data + len; 1681 while (pos < end) { 1682 if (pos + 2 + pos[1] > end) 1683 return NULL; 1684 1685 if (pos[0] == ie) 1686 return pos; 1687 1688 pos += 2 + pos[1]; 1689 } 1690 return NULL; 1691} 1692 1693/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */ 1694/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */ 1695static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, 1696 enum ieee80211_smps_mode smps, 1697 u8 *da, u8 *bssid) 1698{ 1699 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 1700 struct sk_buff *skb; 1701 struct ieee80211_mgmt *action_frame; 1702 1703 /* 27 = header + category + action + smps mode */ 1704 skb = dev_alloc_skb(27 + hw->extra_tx_headroom); 1705 if (!skb) 1706 return NULL; 1707 1708 skb_reserve(skb, hw->extra_tx_headroom); 1709 action_frame = (void *)skb_put(skb, 27); 1710 memset(action_frame, 0, 27); 1711 memcpy(action_frame->da, da, ETH_ALEN); 1712 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN); 1713 memcpy(action_frame->bssid, bssid, ETH_ALEN); 1714 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 1715 IEEE80211_STYPE_ACTION); 1716 action_frame->u.action.category = WLAN_CATEGORY_HT; 1717 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS; 1718 switch (smps) { 1719 case IEEE80211_SMPS_AUTOMATIC:/* 0 */ 1720 case IEEE80211_SMPS_NUM_MODES:/* 4 */ 1721 WARN_ON(1); 1722 /* Here will get a 'MISSING_BREAK' in Coverity Test, just ignore it. 1723 * According to Kernel Code, here is right. 1724 */ 1725 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ 1726 action_frame->u.action.u.ht_smps.smps_control = 1727 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ 1728 break; 1729 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/ 1730 action_frame->u.action.u.ht_smps.smps_control = 1731 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */ 1732 break; 1733 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/ 1734 action_frame->u.action.u.ht_smps.smps_control = 1735 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */ 1736 break; 1737 } 1738 1739 return skb; 1740} 1741 1742int rtl_send_smps_action(struct ieee80211_hw *hw, 1743 struct ieee80211_sta *sta, 1744 enum ieee80211_smps_mode smps) 1745{ 1746 struct rtl_priv *rtlpriv = rtl_priv(hw); 1747 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1748 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1749 struct sk_buff *skb = NULL; 1750 struct rtl_tcb_desc tcb_desc; 1751 u8 bssid[ETH_ALEN] = {0}; 1752 1753 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1754 1755 if (rtlpriv->mac80211.act_scanning) 1756 goto err_free; 1757 1758 if (!sta) 1759 goto err_free; 1760 1761 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 1762 goto err_free; 1763 1764 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1765 goto err_free; 1766 1767 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) 1768 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN); 1769 else 1770 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN); 1771 1772 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid); 1773 /* this is a type = mgmt * stype = action frame */ 1774 if (skb) { 1775 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 1776 struct rtl_sta_info *sta_entry = 1777 (struct rtl_sta_info *) sta->drv_priv; 1778 sta_entry->mimo_ps = smps; 1779 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */ 1780 1781 info->control.rates[0].idx = 0; 1782 info->band = hw->conf.chandef.chan->band; 1783 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc); 1784 } 1785 return 1; 1786 1787err_free: 1788 return 0; 1789} 1790EXPORT_SYMBOL(rtl_send_smps_action); 1791 1792void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation) 1793{ 1794 struct rtl_priv *rtlpriv = rtl_priv(hw); 1795 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1796 enum io_type iotype; 1797 1798 if (!is_hal_stop(rtlhal)) { 1799 switch (operation) { 1800 case SCAN_OPT_BACKUP: 1801 iotype = IO_CMD_PAUSE_DM_BY_SCAN; 1802 rtlpriv->cfg->ops->set_hw_reg(hw, 1803 HW_VAR_IO_CMD, 1804 (u8 *)&iotype); 1805 break; 1806 case SCAN_OPT_RESTORE: 1807 iotype = IO_CMD_RESUME_DM_BY_SCAN; 1808 rtlpriv->cfg->ops->set_hw_reg(hw, 1809 HW_VAR_IO_CMD, 1810 (u8 *)&iotype); 1811 break; 1812 default: 1813 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 1814 "Unknown Scan Backup operation.\n"); 1815 break; 1816 } 1817 } 1818} 1819EXPORT_SYMBOL(rtl_phy_scan_operation_backup); 1820 1821/* because mac80211 have issues when can receive del ba 1822 * so here we just make a fake del_ba if we receive a ba_req 1823 * but rx_agg was opened to let mac80211 release some ba 1824 * related resources, so please this del_ba for tx 1825 */ 1826struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, 1827 u8 *sa, u8 *bssid, u16 tid) 1828{ 1829 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 1830 struct sk_buff *skb; 1831 struct ieee80211_mgmt *action_frame; 1832 u16 params; 1833 1834 /* 27 = header + category + action + smps mode */ 1835 skb = dev_alloc_skb(34 + hw->extra_tx_headroom); 1836 if (!skb) 1837 return NULL; 1838 1839 skb_reserve(skb, hw->extra_tx_headroom); 1840 action_frame = (void *)skb_put(skb, 34); 1841 memset(action_frame, 0, 34); 1842 memcpy(action_frame->sa, sa, ETH_ALEN); 1843 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN); 1844 memcpy(action_frame->bssid, bssid, ETH_ALEN); 1845 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 1846 IEEE80211_STYPE_ACTION); 1847 action_frame->u.action.category = WLAN_CATEGORY_BACK; 1848 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA; 1849 params = (u16)(1 << 11); /* bit 11 initiator */ 1850 params |= (u16)(tid << 12); /* bit 15:12 TID number */ 1851 1852 action_frame->u.action.u.delba.params = cpu_to_le16(params); 1853 action_frame->u.action.u.delba.reason_code = 1854 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); 1855 1856 return skb; 1857} 1858 1859/********************************************************* 1860 * 1861 * IOT functions 1862 * 1863 *********************************************************/ 1864static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw, 1865 struct octet_string vendor_ie) 1866{ 1867 struct rtl_priv *rtlpriv = rtl_priv(hw); 1868 bool matched = false; 1869 static u8 athcap_1[] = { 0x00, 0x03, 0x7F }; 1870 static u8 athcap_2[] = { 0x00, 0x13, 0x74 }; 1871 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 }; 1872 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 }; 1873 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 }; 1874 static u8 racap[] = { 0x00, 0x0c, 0x43 }; 1875 static u8 ciscocap[] = { 0x00, 0x40, 0x96 }; 1876 static u8 marvcap[] = { 0x00, 0x50, 0x43 }; 1877 1878 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 || 1879 memcmp(vendor_ie.octet, athcap_2, 3) == 0) { 1880 rtlpriv->mac80211.vendor = PEER_ATH; 1881 matched = true; 1882 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 || 1883 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 || 1884 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) { 1885 rtlpriv->mac80211.vendor = PEER_BROAD; 1886 matched = true; 1887 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) { 1888 rtlpriv->mac80211.vendor = PEER_RAL; 1889 matched = true; 1890 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) { 1891 rtlpriv->mac80211.vendor = PEER_CISCO; 1892 matched = true; 1893 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) { 1894 rtlpriv->mac80211.vendor = PEER_MARV; 1895 matched = true; 1896 } 1897 1898 return matched; 1899} 1900 1901static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, 1902 unsigned int len) 1903{ 1904 struct ieee80211_mgmt *mgmt = (void *)data; 1905 struct octet_string vendor_ie; 1906 u8 *pos, *end; 1907 1908 pos = (u8 *)mgmt->u.beacon.variable; 1909 end = data + len; 1910 while (pos < end) { 1911 if (pos[0] == 221) { 1912 vendor_ie.length = pos[1]; 1913 vendor_ie.octet = &pos[2]; 1914 if (rtl_chk_vendor_ouisub(hw, vendor_ie)) 1915 return true; 1916 } 1917 1918 if (pos + 2 + pos[1] > end) 1919 return false; 1920 1921 pos += 2 + pos[1]; 1922 } 1923 return false; 1924} 1925 1926void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) 1927{ 1928 struct rtl_priv *rtlpriv = rtl_priv(hw); 1929 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1930 struct ieee80211_hdr *hdr = (void *)data; 1931 u32 vendor = PEER_UNKNOWN; 1932 1933 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf }; 1934 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 }; 1935 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e }; 1936 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc }; 1937 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e }; 1938 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 }; 1939 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f }; 1940 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf }; 1941 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 }; 1942 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 }; 1943 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 }; 1944 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 }; 1945 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A }; 1946 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 }; 1947 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 }; 1948 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 }; 1949 1950 if (mac->opmode != NL80211_IFTYPE_STATION) 1951 return; 1952 1953 if (mac->link_state == MAC80211_NOLINK) { 1954 mac->vendor = PEER_UNKNOWN; 1955 return; 1956 } 1957 1958 if (mac->cnt_after_linked > 2) 1959 return; 1960 1961 /* check if this really is a beacon */ 1962 if (!ieee80211_is_beacon(hdr->frame_control)) 1963 return; 1964 1965 /* min. beacon length + FCS_LEN */ 1966 if (len <= 40 + FCS_LEN) 1967 return; 1968 1969 /* and only beacons from the associated BSSID, please */ 1970 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid)) 1971 return; 1972 1973 if (rtl_find_221_ie(hw, data, len)) 1974 vendor = mac->vendor; 1975 1976 if ((memcmp(mac->bssid, ap5_1, 3) == 0) || 1977 (memcmp(mac->bssid, ap5_2, 3) == 0) || 1978 (memcmp(mac->bssid, ap5_3, 3) == 0) || 1979 (memcmp(mac->bssid, ap5_4, 3) == 0) || 1980 (memcmp(mac->bssid, ap5_5, 3) == 0) || 1981 (memcmp(mac->bssid, ap5_6, 3) == 0) || 1982 vendor == PEER_ATH) { 1983 vendor = PEER_ATH; 1984 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n"); 1985 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) || 1986 (memcmp(mac->bssid, ap4_5, 3) == 0) || 1987 (memcmp(mac->bssid, ap4_1, 3) == 0) || 1988 (memcmp(mac->bssid, ap4_2, 3) == 0) || 1989 (memcmp(mac->bssid, ap4_3, 3) == 0) || 1990 vendor == PEER_RAL) { 1991 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n"); 1992 vendor = PEER_RAL; 1993 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 || 1994 vendor == PEER_CISCO) { 1995 vendor = PEER_CISCO; 1996 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n"); 1997 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) || 1998 (memcmp(mac->bssid, ap3_2, 3) == 0) || 1999 (memcmp(mac->bssid, ap3_3, 3) == 0) || 2000 vendor == PEER_BROAD) { 2001 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n"); 2002 vendor = PEER_BROAD; 2003 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 || 2004 vendor == PEER_MARV) { 2005 vendor = PEER_MARV; 2006 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n"); 2007 } 2008 2009 mac->vendor = vendor; 2010} 2011EXPORT_SYMBOL_GPL(rtl_recognize_peer); 2012 2013/********************************************************* 2014 * 2015 * sysfs functions 2016 * 2017 *********************************************************/ 2018static ssize_t rtl_show_debug_level(struct device *d, 2019 struct device_attribute *attr, char *buf) 2020{ 2021 struct ieee80211_hw *hw = dev_get_drvdata(d); 2022 struct rtl_priv *rtlpriv = rtl_priv(hw); 2023 2024 return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel); 2025} 2026 2027static ssize_t rtl_store_debug_level(struct device *d, 2028 struct device_attribute *attr, 2029 const char *buf, size_t count) 2030{ 2031 struct ieee80211_hw *hw = dev_get_drvdata(d); 2032 struct rtl_priv *rtlpriv = rtl_priv(hw); 2033 unsigned long val; 2034 int ret; 2035 2036 ret = kstrtoul(buf, 0, &val); 2037 if (ret) { 2038 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 2039 "%s is not in hex or decimal form.\n", buf); 2040 } else { 2041 rtlpriv->dbg.global_debuglevel = val; 2042 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, 2043 "debuglevel:%x\n", 2044 rtlpriv->dbg.global_debuglevel); 2045 } 2046 2047 return strnlen(buf, count); 2048} 2049 2050static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, 2051 rtl_show_debug_level, rtl_store_debug_level); 2052 2053static struct attribute *rtl_sysfs_entries[] = { 2054 2055 &dev_attr_debug_level.attr, 2056 2057 NULL 2058}; 2059 2060/* 2061 * "name" is folder name witch will be 2062 * put in device directory like : 2063 * sys/devices/pci0000:00/0000:00:1c.4/ 2064 * 0000:06:00.0/rtl_sysfs 2065 */ 2066struct attribute_group rtl_attribute_group = { 2067 .name = "rtlsysfs", 2068 .attrs = rtl_sysfs_entries, 2069}; 2070EXPORT_SYMBOL_GPL(rtl_attribute_group); 2071 2072MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 2073MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 2074MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 2075MODULE_LICENSE("GPL"); 2076MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 2077 2078struct rtl_global_var rtl_global_var = {}; 2079EXPORT_SYMBOL_GPL(rtl_global_var); 2080 2081static int __init rtl_core_module_init(void) 2082{ 2083 if (rtl_rate_control_register()) 2084 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n"); 2085 2086 /* init some global vars */ 2087 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); 2088 spin_lock_init(&rtl_global_var.glb_list_lock); 2089 2090 return 0; 2091} 2092 2093static void __exit rtl_core_module_exit(void) 2094{ 2095 /*RC*/ 2096 rtl_rate_control_unregister(); 2097} 2098 2099module_init(rtl_core_module_init); 2100module_exit(rtl_core_module_exit); 2101