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 "core.h" 28 #include "cam.h" 29 #include "base.h" 30 #include "ps.h" 31 #include "pwrseqcmd.h" 32 33 #include "btcoexist/rtl_btc.h" 34 #include <linux/firmware.h> 35 #include <linux/export.h> 36 #include <net/cfg80211.h> 37 38 u8 channel5g[CHANNEL_MAX_NUMBER_5G] = { 39 36, 38, 40, 42, 44, 46, 48, /* Band 1 */ 40 52, 54, 56, 58, 60, 62, 64, /* Band 2 */ 41 100, 102, 104, 106, 108, 110, 112, /* Band 3 */ 42 116, 118, 120, 122, 124, 126, 128, /* Band 3 */ 43 132, 134, 136, 138, 140, 142, 144, /* Band 3 */ 44 149, 151, 153, 155, 157, 159, 161, /* Band 4 */ 45 165, 167, 169, 171, 173, 175, 177 /* Band 4 */ 46 }; 47 EXPORT_SYMBOL(channel5g); 48 49 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = { 50 42, 58, 106, 122, 138, 155, 171 51 }; 52 EXPORT_SYMBOL(channel5g_80m); 53 54 void rtl_addr_delay(u32 addr) 55 { 56 if (addr == 0xfe) 57 mdelay(50); 58 else if (addr == 0xfd) 59 msleep(5); 60 else if (addr == 0xfc) 61 msleep(1); 62 else if (addr == 0xfb) 63 usleep_range(50, 100); 64 else if (addr == 0xfa) 65 usleep_range(5, 10); 66 else if (addr == 0xf9) 67 usleep_range(1, 2); 68 } 69 EXPORT_SYMBOL(rtl_addr_delay); 70 71 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, 72 u32 mask, u32 data) 73 { 74 if (addr >= 0xf9 && addr <= 0xfe) { 75 rtl_addr_delay(addr); 76 } else { 77 rtl_set_rfreg(hw, rfpath, addr, mask, data); 78 udelay(1); 79 } 80 } 81 EXPORT_SYMBOL(rtl_rfreg_delay); 82 83 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data) 84 { 85 if (addr >= 0xf9 && addr <= 0xfe) { 86 rtl_addr_delay(addr); 87 } else { 88 rtl_set_bbreg(hw, addr, MASKDWORD, data); 89 udelay(1); 90 } 91 } 92 EXPORT_SYMBOL(rtl_bb_delay); 93 94 static void rtl_fw_do_work(const struct firmware *firmware, void *context, 95 bool is_wow) 96 { 97 struct ieee80211_hw *hw = context; 98 struct rtl_priv *rtlpriv = rtl_priv(hw); 99 int err; 100 101 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, 102 "Firmware callback routine entered!\n"); 103 complete(&rtlpriv->firmware_loading_complete); 104 if (!firmware) { 105 if (rtlpriv->cfg->alt_fw_name) { 106 err = request_firmware(&firmware, 107 rtlpriv->cfg->alt_fw_name, 108 rtlpriv->io.dev); 109 pr_info("Loading alternative firmware %s\n", 110 rtlpriv->cfg->alt_fw_name); 111 if (!err) 112 goto found_alt; 113 } 114 pr_err("Selected firmware is not available\n"); 115 rtlpriv->max_fw_size = 0; 116 return; 117 } 118 found_alt: 119 if (firmware->size > rtlpriv->max_fw_size) { 120 pr_err("Firmware is too big!\n"); 121 release_firmware(firmware); 122 return; 123 } 124 if (!is_wow) { 125 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, 126 firmware->size); 127 rtlpriv->rtlhal.fwsize = firmware->size; 128 } else { 129 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data, 130 firmware->size); 131 rtlpriv->rtlhal.wowlan_fwsize = firmware->size; 132 } 133 rtlpriv->rtlhal.fwsize = firmware->size; 134 release_firmware(firmware); 135 } 136 137 void rtl_fw_cb(const struct firmware *firmware, void *context) 138 { 139 rtl_fw_do_work(firmware, context, false); 140 } 141 EXPORT_SYMBOL(rtl_fw_cb); 142 143 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context) 144 { 145 rtl_fw_do_work(firmware, context, true); 146 } 147 EXPORT_SYMBOL(rtl_wowlan_fw_cb); 148 149 /*mutex for start & stop is must here. */ 150 static int rtl_op_start(struct ieee80211_hw *hw) 151 { 152 int err = 0; 153 struct rtl_priv *rtlpriv = rtl_priv(hw); 154 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 155 156 if (!is_hal_stop(rtlhal)) 157 return 0; 158 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 159 return 0; 160 mutex_lock(&rtlpriv->locks.conf_mutex); 161 err = rtlpriv->intf_ops->adapter_start(hw); 162 if (!err) 163 rtl_watch_dog_timer_callback((unsigned long)hw); 164 mutex_unlock(&rtlpriv->locks.conf_mutex); 165 return err; 166 } 167 168 static void rtl_op_stop(struct ieee80211_hw *hw) 169 { 170 struct rtl_priv *rtlpriv = rtl_priv(hw); 171 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 172 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 173 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 174 bool support_remote_wakeup = false; 175 176 if (is_hal_stop(rtlhal)) 177 return; 178 179 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN, 180 (u8 *)(&support_remote_wakeup)); 181 /* here is must, because adhoc do stop and start, 182 * but stop with RFOFF may cause something wrong, 183 * like adhoc TP 184 */ 185 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 186 rtl_ips_nic_on(hw); 187 188 mutex_lock(&rtlpriv->locks.conf_mutex); 189 /* if wowlan supported, DON'T clear connected info */ 190 if (!(support_remote_wakeup && 191 rtlhal->enter_pnp_sleep)) { 192 mac->link_state = MAC80211_NOLINK; 193 eth_zero_addr(mac->bssid); 194 mac->vendor = PEER_UNKNOWN; 195 196 /* reset sec info */ 197 rtl_cam_reset_sec_info(hw); 198 199 rtl_deinit_deferred_work(hw); 200 } 201 rtlpriv->intf_ops->adapter_stop(hw); 202 203 mutex_unlock(&rtlpriv->locks.conf_mutex); 204 } 205 206 static void rtl_op_tx(struct ieee80211_hw *hw, 207 struct ieee80211_tx_control *control, 208 struct sk_buff *skb) 209 { 210 struct rtl_priv *rtlpriv = rtl_priv(hw); 211 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 212 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 213 struct rtl_tcb_desc tcb_desc; 214 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 215 216 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 217 goto err_free; 218 219 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 220 goto err_free; 221 222 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb)) 223 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc); 224 return; 225 226 err_free: 227 dev_kfree_skb_any(skb); 228 } 229 230 static int rtl_op_add_interface(struct ieee80211_hw *hw, 231 struct ieee80211_vif *vif) 232 { 233 struct rtl_priv *rtlpriv = rtl_priv(hw); 234 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 235 int err = 0; 236 u8 retry_limit = 0x30; 237 238 if (mac->vif) { 239 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, 240 "vif has been set!! mac->vif = 0x%p\n", mac->vif); 241 return -EOPNOTSUPP; 242 } 243 244 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 245 246 rtl_ips_nic_on(hw); 247 248 mutex_lock(&rtlpriv->locks.conf_mutex); 249 switch (ieee80211_vif_type_p2p(vif)) { 250 case NL80211_IFTYPE_P2P_CLIENT: 251 mac->p2p = P2P_ROLE_CLIENT; 252 /*fall through*/ 253 case NL80211_IFTYPE_STATION: 254 if (mac->beacon_enabled == 1) { 255 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 256 "NL80211_IFTYPE_STATION\n"); 257 mac->beacon_enabled = 0; 258 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 259 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 260 } 261 break; 262 case NL80211_IFTYPE_ADHOC: 263 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 264 "NL80211_IFTYPE_ADHOC\n"); 265 266 mac->link_state = MAC80211_LINKED; 267 rtlpriv->cfg->ops->set_bcn_reg(hw); 268 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 269 mac->basic_rates = 0xfff; 270 else 271 mac->basic_rates = 0xff0; 272 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 273 (u8 *)(&mac->basic_rates)); 274 275 retry_limit = 0x07; 276 break; 277 case NL80211_IFTYPE_P2P_GO: 278 mac->p2p = P2P_ROLE_GO; 279 /*fall through*/ 280 case NL80211_IFTYPE_AP: 281 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 282 "NL80211_IFTYPE_AP\n"); 283 284 mac->link_state = MAC80211_LINKED; 285 rtlpriv->cfg->ops->set_bcn_reg(hw); 286 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 287 mac->basic_rates = 0xfff; 288 else 289 mac->basic_rates = 0xff0; 290 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 291 (u8 *)(&mac->basic_rates)); 292 293 retry_limit = 0x07; 294 break; 295 case NL80211_IFTYPE_MESH_POINT: 296 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 297 "NL80211_IFTYPE_MESH_POINT\n"); 298 299 mac->link_state = MAC80211_LINKED; 300 rtlpriv->cfg->ops->set_bcn_reg(hw); 301 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 302 mac->basic_rates = 0xfff; 303 else 304 mac->basic_rates = 0xff0; 305 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 306 (u8 *)(&mac->basic_rates)); 307 308 retry_limit = 0x07; 309 break; 310 default: 311 pr_err("operation mode %d is not supported!\n", 312 vif->type); 313 err = -EOPNOTSUPP; 314 goto out; 315 } 316 317 if (mac->p2p) { 318 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 319 "p2p role %x\n", vif->type); 320 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/ 321 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 322 (u8 *)(&mac->basic_rates)); 323 } 324 mac->vif = vif; 325 mac->opmode = vif->type; 326 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 327 memcpy(mac->mac_addr, vif->addr, ETH_ALEN); 328 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); 329 330 mac->retry_long = retry_limit; 331 mac->retry_short = retry_limit; 332 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 333 (u8 *)(&retry_limit)); 334 out: 335 mutex_unlock(&rtlpriv->locks.conf_mutex); 336 return err; 337 } 338 339 static void rtl_op_remove_interface(struct ieee80211_hw *hw, 340 struct ieee80211_vif *vif) 341 { 342 struct rtl_priv *rtlpriv = rtl_priv(hw); 343 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 344 345 mutex_lock(&rtlpriv->locks.conf_mutex); 346 347 /* Free beacon resources */ 348 if ((vif->type == NL80211_IFTYPE_AP) || 349 (vif->type == NL80211_IFTYPE_ADHOC) || 350 (vif->type == NL80211_IFTYPE_MESH_POINT)) { 351 if (mac->beacon_enabled == 1) { 352 mac->beacon_enabled = 0; 353 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 354 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 355 } 356 } 357 358 /* 359 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as 360 *NO LINK for our hardware. 361 */ 362 mac->p2p = 0; 363 mac->vif = NULL; 364 mac->link_state = MAC80211_NOLINK; 365 eth_zero_addr(mac->bssid); 366 mac->vendor = PEER_UNKNOWN; 367 mac->opmode = NL80211_IFTYPE_UNSPECIFIED; 368 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 369 370 mutex_unlock(&rtlpriv->locks.conf_mutex); 371 } 372 static int rtl_op_change_interface(struct ieee80211_hw *hw, 373 struct ieee80211_vif *vif, 374 enum nl80211_iftype new_type, bool p2p) 375 { 376 struct rtl_priv *rtlpriv = rtl_priv(hw); 377 int ret; 378 rtl_op_remove_interface(hw, vif); 379 380 vif->type = new_type; 381 vif->p2p = p2p; 382 ret = rtl_op_add_interface(hw, vif); 383 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 384 "p2p %x\n", p2p); 385 return ret; 386 } 387 388 #ifdef CONFIG_PM 389 static u16 crc16_ccitt(u8 data, u16 crc) 390 { 391 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15; 392 u8 i; 393 u16 result; 394 395 for (i = 0; i < 8; i++) { 396 crc_bit15 = ((crc & BIT(15)) ? 1 : 0); 397 data_bit = (data & (BIT(0) << i) ? 1 : 0); 398 shift_in = crc_bit15 ^ data_bit; 399 400 result = crc << 1; 401 if (shift_in == 0) 402 result &= (~BIT(0)); 403 else 404 result |= BIT(0); 405 406 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in; 407 if (crc_bit11 == 0) 408 result &= (~BIT(12)); 409 else 410 result |= BIT(12); 411 412 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in; 413 if (crc_bit4 == 0) 414 result &= (~BIT(5)); 415 else 416 result |= BIT(5); 417 418 crc = result; 419 } 420 421 return crc; 422 } 423 424 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len) 425 { 426 u16 crc = 0xffff; 427 u32 i; 428 429 for (i = 0; i < len; i++) 430 crc = crc16_ccitt(pattern[i], crc); 431 432 crc = ~crc; 433 434 return crc; 435 } 436 437 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, 438 struct cfg80211_wowlan *wow) 439 { 440 struct rtl_priv *rtlpriv = rtl_priv(hw); 441 struct rtl_mac *mac = &rtlpriv->mac80211; 442 struct cfg80211_pkt_pattern *patterns = wow->patterns; 443 struct rtl_wow_pattern rtl_pattern; 444 const u8 *pattern_os, *mask_os; 445 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0}; 446 u8 content[MAX_WOL_PATTERN_SIZE] = {0}; 447 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 448 u8 multicast_addr1[2] = {0x33, 0x33}; 449 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e}; 450 u8 i, mask_len; 451 u16 j, len; 452 453 for (i = 0; i < wow->n_patterns; i++) { 454 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern)); 455 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE); 456 if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { 457 RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING, 458 "Pattern[%d] is too long\n", i); 459 continue; 460 } 461 pattern_os = patterns[i].pattern; 462 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8); 463 mask_os = patterns[i].mask; 464 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 465 "pattern content\n", pattern_os, 466 patterns[i].pattern_len); 467 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 468 "mask content\n", mask_os, mask_len); 469 /* 1. unicast? multicast? or broadcast? */ 470 if (memcmp(pattern_os, broadcast_addr, 6) == 0) 471 rtl_pattern.type = BROADCAST_PATTERN; 472 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 || 473 memcmp(pattern_os, multicast_addr2, 3) == 0) 474 rtl_pattern.type = MULTICAST_PATTERN; 475 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0) 476 rtl_pattern.type = UNICAST_PATTERN; 477 else 478 rtl_pattern.type = UNKNOWN_TYPE; 479 480 /* 2. translate mask_from_os to mask_for_hw */ 481 482 /****************************************************************************** 483 * pattern from OS uses 'ethenet frame', like this: 484 485 | 6 | 6 | 2 | 20 | Variable | 4 | 486 |--------+--------+------+-----------+------------+-----| 487 | 802.3 Mac Header | IP Header | TCP Packet | FCS | 488 | DA | SA | Type | 489 490 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC, 491 492 | 24 or 30 | 6 | 2 | 20 | Variable | 4 | 493 |-------------------+--------+------+-----------+------------+-----| 494 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS | 495 | Others | Tpye | 496 497 * Therefore, we need translate mask_from_OS to mask_to_hw. 498 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0, 499 * because new mask[0~5] means 'SA', but our HW packet begins from LLC, 500 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match. 501 ******************************************************************************/ 502 503 /* Shift 6 bits */ 504 for (j = 0; j < mask_len - 1; j++) { 505 mask[j] = mask_os[j] >> 6; 506 mask[j] |= (mask_os[j + 1] & 0x3F) << 2; 507 } 508 mask[j] = (mask_os[j] >> 6) & 0x3F; 509 /* Set bit 0-5 to zero */ 510 mask[0] &= 0xC0; 511 512 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 513 "mask to hw\n", mask, mask_len); 514 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) { 515 rtl_pattern.mask[j] = mask[j * 4]; 516 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8); 517 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16); 518 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24); 519 } 520 521 /* To get the wake up pattern from the mask. 522 * We do not count first 12 bits which means 523 * DA[6] and SA[6] in the pattern to match HW design. 524 */ 525 len = 0; 526 for (j = 12; j < patterns[i].pattern_len; j++) { 527 if ((mask_os[j / 8] >> (j % 8)) & 0x01) { 528 content[len] = pattern_os[j]; 529 len++; 530 } 531 } 532 533 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 534 "pattern to hw\n", content, len); 535 /* 3. calculate crc */ 536 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len); 537 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, 538 "CRC_Remainder = 0x%x\n", rtl_pattern.crc); 539 540 /* 4. write crc & mask_for_hw to hw */ 541 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i); 542 } 543 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns); 544 } 545 546 static int rtl_op_suspend(struct ieee80211_hw *hw, 547 struct cfg80211_wowlan *wow) 548 { 549 struct rtl_priv *rtlpriv = rtl_priv(hw); 550 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 551 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 552 struct timeval ts; 553 554 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 555 if (WARN_ON(!wow)) 556 return -EINVAL; 557 558 /* to resolve s4 can not wake up*/ 559 do_gettimeofday(&ts); 560 rtlhal->last_suspend_sec = ts.tv_sec; 561 562 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns) 563 _rtl_add_wowlan_patterns(hw, wow); 564 565 rtlhal->driver_is_goingto_unload = true; 566 rtlhal->enter_pnp_sleep = true; 567 568 rtl_lps_leave(hw); 569 rtl_op_stop(hw); 570 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true); 571 return 0; 572 } 573 574 static int rtl_op_resume(struct ieee80211_hw *hw) 575 { 576 struct rtl_priv *rtlpriv = rtl_priv(hw); 577 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 578 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 579 struct timeval ts; 580 581 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 582 rtlhal->driver_is_goingto_unload = false; 583 rtlhal->enter_pnp_sleep = false; 584 rtlhal->wake_from_pnp_sleep = true; 585 586 /* to resovle s4 can not wake up*/ 587 do_gettimeofday(&ts); 588 if (ts.tv_sec - rtlhal->last_suspend_sec < 5) 589 return -1; 590 591 rtl_op_start(hw); 592 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false); 593 ieee80211_resume_disconnect(mac->vif); 594 rtlhal->wake_from_pnp_sleep = false; 595 return 0; 596 } 597 #endif 598 599 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) 600 { 601 struct rtl_priv *rtlpriv = rtl_priv(hw); 602 struct rtl_phy *rtlphy = &(rtlpriv->phy); 603 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 604 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 605 struct ieee80211_conf *conf = &hw->conf; 606 607 if (mac->skip_scan) 608 return 1; 609 610 mutex_lock(&rtlpriv->locks.conf_mutex); 611 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/ 612 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 613 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); 614 } 615 616 /*For IPS */ 617 if (changed & IEEE80211_CONF_CHANGE_IDLE) { 618 if (hw->conf.flags & IEEE80211_CONF_IDLE) 619 rtl_ips_nic_off(hw); 620 else 621 rtl_ips_nic_on(hw); 622 } else { 623 /* 624 *although rfoff may not cause by ips, but we will 625 *check the reason in set_rf_power_state function 626 */ 627 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 628 rtl_ips_nic_on(hw); 629 } 630 631 /*For LPS */ 632 if ((changed & IEEE80211_CONF_CHANGE_PS) && 633 rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) { 634 cancel_delayed_work(&rtlpriv->works.ps_work); 635 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 636 if (conf->flags & IEEE80211_CONF_PS) { 637 rtlpriv->psc.sw_ps_enabled = true; 638 /* sleep here is must, or we may recv the beacon and 639 * cause mac80211 into wrong ps state, this will cause 640 * power save nullfunc send fail, and further cause 641 * pkt loss, So sleep must quickly but not immediatly 642 * because that will cause nullfunc send by mac80211 643 * fail, and cause pkt loss, we have tested that 5mA 644 * is worked very well */ 645 if (!rtlpriv->psc.multi_buffered) 646 queue_delayed_work(rtlpriv->works.rtl_wq, 647 &rtlpriv->works.ps_work, 648 MSECS(5)); 649 } else { 650 rtl_swlps_rf_awake(hw); 651 rtlpriv->psc.sw_ps_enabled = false; 652 } 653 } 654 655 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { 656 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 657 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", 658 hw->conf.long_frame_max_tx_count); 659 /* brought up everything changes (changed == ~0) indicates first 660 * open, so use our default value instead of that of wiphy. 661 */ 662 if (changed != ~0) { 663 mac->retry_long = hw->conf.long_frame_max_tx_count; 664 mac->retry_short = hw->conf.long_frame_max_tx_count; 665 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 666 (u8 *)(&hw->conf.long_frame_max_tx_count)); 667 } 668 } 669 670 if (changed & IEEE80211_CONF_CHANGE_CHANNEL && 671 !rtlpriv->proximity.proxim_on) { 672 struct ieee80211_channel *channel = hw->conf.chandef.chan; 673 enum nl80211_chan_width width = hw->conf.chandef.width; 674 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; 675 u8 wide_chan = (u8) channel->hw_value; 676 677 /* channel_type is for 20&40M */ 678 if (width < NL80211_CHAN_WIDTH_80) 679 channel_type = 680 cfg80211_get_chandef_type(&hw->conf.chandef); 681 if (mac->act_scanning) 682 mac->n_channels++; 683 684 if (rtlpriv->dm.supp_phymode_switch && 685 mac->link_state < MAC80211_LINKED && 686 !mac->act_scanning) { 687 if (rtlpriv->cfg->ops->chk_switch_dmdp) 688 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 689 } 690 691 /* 692 *because we should back channel to 693 *current_network.chan in in scanning, 694 *So if set_chan == current_network.chan 695 *we should set it. 696 *because mac80211 tell us wrong bw40 697 *info for cisco1253 bw20, so we modify 698 *it here based on UPPER & LOWER 699 */ 700 701 if (width >= NL80211_CHAN_WIDTH_80) { 702 if (width == NL80211_CHAN_WIDTH_80) { 703 u32 center = hw->conf.chandef.center_freq1; 704 u32 primary = 705 (u32)hw->conf.chandef.chan->center_freq; 706 707 rtlphy->current_chan_bw = 708 HT_CHANNEL_WIDTH_80; 709 mac->bw_80 = true; 710 mac->bw_40 = true; 711 if (center > primary) { 712 mac->cur_80_prime_sc = 713 PRIME_CHNL_OFFSET_LOWER; 714 if (center - primary == 10) { 715 mac->cur_40_prime_sc = 716 PRIME_CHNL_OFFSET_UPPER; 717 718 wide_chan += 2; 719 } else if (center - primary == 30) { 720 mac->cur_40_prime_sc = 721 PRIME_CHNL_OFFSET_LOWER; 722 723 wide_chan += 6; 724 } 725 } else { 726 mac->cur_80_prime_sc = 727 PRIME_CHNL_OFFSET_UPPER; 728 if (primary - center == 10) { 729 mac->cur_40_prime_sc = 730 PRIME_CHNL_OFFSET_LOWER; 731 732 wide_chan -= 2; 733 } else if (primary - center == 30) { 734 mac->cur_40_prime_sc = 735 PRIME_CHNL_OFFSET_UPPER; 736 737 wide_chan -= 6; 738 } 739 } 740 } 741 } else { 742 switch (channel_type) { 743 case NL80211_CHAN_HT20: 744 case NL80211_CHAN_NO_HT: 745 /* SC */ 746 mac->cur_40_prime_sc = 747 PRIME_CHNL_OFFSET_DONT_CARE; 748 rtlphy->current_chan_bw = 749 HT_CHANNEL_WIDTH_20; 750 mac->bw_40 = false; 751 mac->bw_80 = false; 752 break; 753 case NL80211_CHAN_HT40MINUS: 754 /* SC */ 755 mac->cur_40_prime_sc = 756 PRIME_CHNL_OFFSET_UPPER; 757 rtlphy->current_chan_bw = 758 HT_CHANNEL_WIDTH_20_40; 759 mac->bw_40 = true; 760 mac->bw_80 = false; 761 762 /*wide channel */ 763 wide_chan -= 2; 764 765 break; 766 case NL80211_CHAN_HT40PLUS: 767 /* SC */ 768 mac->cur_40_prime_sc = 769 PRIME_CHNL_OFFSET_LOWER; 770 rtlphy->current_chan_bw = 771 HT_CHANNEL_WIDTH_20_40; 772 mac->bw_40 = true; 773 mac->bw_80 = false; 774 775 /*wide channel */ 776 wide_chan += 2; 777 778 break; 779 default: 780 mac->bw_40 = false; 781 mac->bw_80 = false; 782 pr_err("switch case %#x not processed\n", 783 channel_type); 784 break; 785 } 786 } 787 788 if (wide_chan <= 0) 789 wide_chan = 1; 790 791 /* In scanning, when before we offchannel we may send a ps=1 792 * null to AP, and then we may send a ps = 0 null to AP quickly, 793 * but first null may have caused AP to put lots of packet to 794 * hw tx buffer. These packets must be tx'd before we go off 795 * channel so we must delay more time to let AP flush these 796 * packets before going offchannel, or dis-association or 797 * delete BA will be caused by AP 798 */ 799 if (rtlpriv->mac80211.offchan_delay) { 800 rtlpriv->mac80211.offchan_delay = false; 801 mdelay(50); 802 } 803 804 rtlphy->current_channel = wide_chan; 805 806 rtlpriv->cfg->ops->switch_channel(hw); 807 rtlpriv->cfg->ops->set_channel_access(hw); 808 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type); 809 } 810 811 mutex_unlock(&rtlpriv->locks.conf_mutex); 812 813 return 0; 814 } 815 816 static void rtl_op_configure_filter(struct ieee80211_hw *hw, 817 unsigned int changed_flags, 818 unsigned int *new_flags, u64 multicast) 819 { 820 bool update_rcr = false; 821 struct rtl_priv *rtlpriv = rtl_priv(hw); 822 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 823 824 *new_flags &= RTL_SUPPORTED_FILTERS; 825 if (0 == changed_flags) 826 return; 827 828 /*TODO: we disable broadcase now, so enable here */ 829 if (changed_flags & FIF_ALLMULTI) { 830 if (*new_flags & FIF_ALLMULTI) { 831 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | 832 rtlpriv->cfg->maps[MAC_RCR_AB]; 833 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 834 "Enable receive multicast frame\n"); 835 } else { 836 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | 837 rtlpriv->cfg->maps[MAC_RCR_AB]); 838 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 839 "Disable receive multicast frame\n"); 840 } 841 update_rcr = true; 842 } 843 844 if (changed_flags & FIF_FCSFAIL) { 845 if (*new_flags & FIF_FCSFAIL) { 846 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 847 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 848 "Enable receive FCS error frame\n"); 849 } else { 850 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 851 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 852 "Disable receive FCS error frame\n"); 853 } 854 if (!update_rcr) 855 update_rcr = true; 856 } 857 858 /* if ssid not set to hw don't check bssid 859 * here just used for linked scanning, & linked 860 * and nolink check bssid is set in set network_type 861 */ 862 if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) && 863 (mac->link_state >= MAC80211_LINKED)) { 864 if (mac->opmode != NL80211_IFTYPE_AP && 865 mac->opmode != NL80211_IFTYPE_MESH_POINT) { 866 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 867 rtlpriv->cfg->ops->set_chk_bssid(hw, false); 868 else 869 rtlpriv->cfg->ops->set_chk_bssid(hw, true); 870 if (update_rcr) 871 update_rcr = false; 872 } 873 } 874 875 if (changed_flags & FIF_CONTROL) { 876 if (*new_flags & FIF_CONTROL) { 877 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; 878 879 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 880 "Enable receive control frame.\n"); 881 } else { 882 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; 883 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 884 "Disable receive control frame.\n"); 885 } 886 if (!update_rcr) 887 update_rcr = true; 888 } 889 890 if (changed_flags & FIF_OTHER_BSS) { 891 if (*new_flags & FIF_OTHER_BSS) { 892 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; 893 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 894 "Enable receive other BSS's frame.\n"); 895 } else { 896 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; 897 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 898 "Disable receive other BSS's frame.\n"); 899 } 900 if (!update_rcr) 901 update_rcr = true; 902 } 903 904 if (update_rcr) 905 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, 906 (u8 *)(&mac->rx_conf)); 907 } 908 static int rtl_op_sta_add(struct ieee80211_hw *hw, 909 struct ieee80211_vif *vif, 910 struct ieee80211_sta *sta) 911 { 912 struct rtl_priv *rtlpriv = rtl_priv(hw); 913 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 914 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 915 struct rtl_sta_info *sta_entry; 916 917 if (sta) { 918 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 919 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 920 list_add_tail(&sta_entry->list, &rtlpriv->entry_list); 921 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 922 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 923 sta_entry->wireless_mode = WIRELESS_MODE_G; 924 if (sta->supp_rates[0] <= 0xf) 925 sta_entry->wireless_mode = WIRELESS_MODE_B; 926 if (sta->ht_cap.ht_supported) 927 sta_entry->wireless_mode = WIRELESS_MODE_N_24G; 928 929 if (vif->type == NL80211_IFTYPE_ADHOC) 930 sta_entry->wireless_mode = WIRELESS_MODE_G; 931 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 932 sta_entry->wireless_mode = WIRELESS_MODE_A; 933 if (sta->ht_cap.ht_supported) 934 sta_entry->wireless_mode = WIRELESS_MODE_N_5G; 935 if (sta->vht_cap.vht_supported) 936 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G; 937 938 if (vif->type == NL80211_IFTYPE_ADHOC) 939 sta_entry->wireless_mode = WIRELESS_MODE_A; 940 } 941 /*disable cck rate for p2p*/ 942 if (mac->p2p) 943 sta->supp_rates[0] &= 0xfffffff0; 944 945 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); 946 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 947 "Add sta addr is %pM\n", sta->addr); 948 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); 949 } 950 951 return 0; 952 } 953 954 static int rtl_op_sta_remove(struct ieee80211_hw *hw, 955 struct ieee80211_vif *vif, 956 struct ieee80211_sta *sta) 957 { 958 struct rtl_priv *rtlpriv = rtl_priv(hw); 959 struct rtl_sta_info *sta_entry; 960 if (sta) { 961 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 962 "Remove sta addr is %pM\n", sta->addr); 963 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 964 sta_entry->wireless_mode = 0; 965 sta_entry->ratr_index = 0; 966 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 967 list_del(&sta_entry->list); 968 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 969 } 970 return 0; 971 } 972 static int _rtl_get_hal_qnum(u16 queue) 973 { 974 int qnum; 975 976 switch (queue) { 977 case 0: 978 qnum = AC3_VO; 979 break; 980 case 1: 981 qnum = AC2_VI; 982 break; 983 case 2: 984 qnum = AC0_BE; 985 break; 986 case 3: 987 qnum = AC1_BK; 988 break; 989 default: 990 qnum = AC0_BE; 991 break; 992 } 993 return qnum; 994 } 995 996 /* 997 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 998 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 999 */ 1000 static int rtl_op_conf_tx(struct ieee80211_hw *hw, 1001 struct ieee80211_vif *vif, u16 queue, 1002 const struct ieee80211_tx_queue_params *param) 1003 { 1004 struct rtl_priv *rtlpriv = rtl_priv(hw); 1005 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1006 int aci; 1007 1008 if (queue >= AC_MAX) { 1009 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, 1010 "queue number %d is incorrect!\n", queue); 1011 return -EINVAL; 1012 } 1013 1014 aci = _rtl_get_hal_qnum(queue); 1015 mac->ac[aci].aifs = param->aifs; 1016 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); 1017 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); 1018 mac->ac[aci].tx_op = cpu_to_le16(param->txop); 1019 memcpy(&mac->edca_param[aci], param, sizeof(*param)); 1020 rtlpriv->cfg->ops->set_qos(hw, aci); 1021 return 0; 1022 } 1023 1024 static void send_beacon_frame(struct ieee80211_hw *hw, 1025 struct ieee80211_vif *vif) 1026 { 1027 struct rtl_priv *rtlpriv = rtl_priv(hw); 1028 struct sk_buff *skb = ieee80211_beacon_get(hw, vif); 1029 struct rtl_tcb_desc tcb_desc; 1030 1031 if (skb) { 1032 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1033 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); 1034 } 1035 } 1036 1037 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, 1038 struct ieee80211_vif *vif, 1039 struct ieee80211_bss_conf *bss_conf, 1040 u32 changed) 1041 { 1042 struct rtl_priv *rtlpriv = rtl_priv(hw); 1043 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 1044 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1045 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1046 1047 mutex_lock(&rtlpriv->locks.conf_mutex); 1048 if ((vif->type == NL80211_IFTYPE_ADHOC) || 1049 (vif->type == NL80211_IFTYPE_AP) || 1050 (vif->type == NL80211_IFTYPE_MESH_POINT)) { 1051 if ((changed & BSS_CHANGED_BEACON) || 1052 (changed & BSS_CHANGED_BEACON_ENABLED && 1053 bss_conf->enable_beacon)) { 1054 if (mac->beacon_enabled == 0) { 1055 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1056 "BSS_CHANGED_BEACON_ENABLED\n"); 1057 1058 /*start hw beacon interrupt. */ 1059 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ 1060 mac->beacon_enabled = 1; 1061 rtlpriv->cfg->ops->update_interrupt_mask(hw, 1062 rtlpriv->cfg->maps 1063 [RTL_IBSS_INT_MASKS], 0); 1064 1065 if (rtlpriv->cfg->ops->linked_set_reg) 1066 rtlpriv->cfg->ops->linked_set_reg(hw); 1067 send_beacon_frame(hw, vif); 1068 } 1069 } 1070 if ((changed & BSS_CHANGED_BEACON_ENABLED && 1071 !bss_conf->enable_beacon)) { 1072 if (mac->beacon_enabled == 1) { 1073 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1074 "ADHOC DISABLE BEACON\n"); 1075 1076 mac->beacon_enabled = 0; 1077 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 1078 rtlpriv->cfg->maps 1079 [RTL_IBSS_INT_MASKS]); 1080 } 1081 } 1082 if (changed & BSS_CHANGED_BEACON_INT) { 1083 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE, 1084 "BSS_CHANGED_BEACON_INT\n"); 1085 mac->beacon_interval = bss_conf->beacon_int; 1086 rtlpriv->cfg->ops->set_bcn_intv(hw); 1087 } 1088 } 1089 1090 /*TODO: reference to enum ieee80211_bss_change */ 1091 if (changed & BSS_CHANGED_ASSOC) { 1092 u8 mstatus; 1093 if (bss_conf->assoc) { 1094 struct ieee80211_sta *sta = NULL; 1095 u8 keep_alive = 10; 1096 1097 mstatus = RT_MEDIA_CONNECT; 1098 /* we should reset all sec info & cam 1099 * before set cam after linked, we should not 1100 * reset in disassoc, that will cause tkip->wep 1101 * fail because some flag will be wrong */ 1102 /* reset sec info */ 1103 rtl_cam_reset_sec_info(hw); 1104 /* reset cam to fix wep fail issue 1105 * when change from wpa to wep */ 1106 rtl_cam_reset_all_entry(hw); 1107 1108 mac->link_state = MAC80211_LINKED; 1109 mac->cnt_after_linked = 0; 1110 mac->assoc_id = bss_conf->aid; 1111 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1112 1113 if (rtlpriv->cfg->ops->linked_set_reg) 1114 rtlpriv->cfg->ops->linked_set_reg(hw); 1115 1116 rcu_read_lock(); 1117 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1118 if (!sta) { 1119 rcu_read_unlock(); 1120 goto out; 1121 } 1122 RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, 1123 "send PS STATIC frame\n"); 1124 if (rtlpriv->dm.supp_phymode_switch) { 1125 if (sta->ht_cap.ht_supported) 1126 rtl_send_smps_action(hw, sta, 1127 IEEE80211_SMPS_STATIC); 1128 } 1129 1130 if (rtlhal->current_bandtype == BAND_ON_5G) { 1131 mac->mode = WIRELESS_MODE_A; 1132 } else { 1133 if (sta->supp_rates[0] <= 0xf) 1134 mac->mode = WIRELESS_MODE_B; 1135 else 1136 mac->mode = WIRELESS_MODE_G; 1137 } 1138 1139 if (sta->ht_cap.ht_supported) { 1140 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1141 mac->mode = WIRELESS_MODE_N_24G; 1142 else 1143 mac->mode = WIRELESS_MODE_N_5G; 1144 } 1145 1146 if (sta->vht_cap.vht_supported) { 1147 if (rtlhal->current_bandtype == BAND_ON_5G) 1148 mac->mode = WIRELESS_MODE_AC_5G; 1149 else 1150 mac->mode = WIRELESS_MODE_AC_24G; 1151 } 1152 1153 if (vif->type == NL80211_IFTYPE_STATION) 1154 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); 1155 rcu_read_unlock(); 1156 1157 /* to avoid AP Disassociation caused by inactivity */ 1158 rtlpriv->cfg->ops->set_hw_reg(hw, 1159 HW_VAR_KEEP_ALIVE, 1160 (u8 *)(&keep_alive)); 1161 1162 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1163 "BSS_CHANGED_ASSOC\n"); 1164 } else { 1165 mstatus = RT_MEDIA_DISCONNECT; 1166 1167 if (mac->link_state == MAC80211_LINKED) 1168 rtl_lps_leave(hw); 1169 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) 1170 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); 1171 mac->link_state = MAC80211_NOLINK; 1172 eth_zero_addr(mac->bssid); 1173 mac->vendor = PEER_UNKNOWN; 1174 mac->mode = 0; 1175 1176 if (rtlpriv->dm.supp_phymode_switch) { 1177 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1178 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1179 } 1180 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1181 "BSS_CHANGED_UN_ASSOC\n"); 1182 } 1183 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 1184 /* For FW LPS: 1185 * To tell firmware we have connected or disconnected 1186 */ 1187 rtlpriv->cfg->ops->set_hw_reg(hw, 1188 HW_VAR_H2C_FW_JOINBSSRPT, 1189 (u8 *)(&mstatus)); 1190 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? 1191 true : false; 1192 1193 if (rtlpriv->cfg->ops->get_btc_status()) 1194 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( 1195 rtlpriv, mstatus); 1196 } 1197 1198 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 1199 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1200 "BSS_CHANGED_ERP_CTS_PROT\n"); 1201 mac->use_cts_protect = bss_conf->use_cts_prot; 1202 } 1203 1204 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 1205 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 1206 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", 1207 bss_conf->use_short_preamble); 1208 1209 mac->short_preamble = bss_conf->use_short_preamble; 1210 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, 1211 (u8 *)(&mac->short_preamble)); 1212 } 1213 1214 if (changed & BSS_CHANGED_ERP_SLOT) { 1215 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1216 "BSS_CHANGED_ERP_SLOT\n"); 1217 1218 if (bss_conf->use_short_slot) 1219 mac->slot_time = RTL_SLOT_TIME_9; 1220 else 1221 mac->slot_time = RTL_SLOT_TIME_20; 1222 1223 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, 1224 (u8 *)(&mac->slot_time)); 1225 } 1226 1227 if (changed & BSS_CHANGED_HT) { 1228 struct ieee80211_sta *sta = NULL; 1229 1230 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1231 "BSS_CHANGED_HT\n"); 1232 1233 rcu_read_lock(); 1234 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1235 if (sta) { 1236 if (sta->ht_cap.ampdu_density > 1237 mac->current_ampdu_density) 1238 mac->current_ampdu_density = 1239 sta->ht_cap.ampdu_density; 1240 if (sta->ht_cap.ampdu_factor < 1241 mac->current_ampdu_factor) 1242 mac->current_ampdu_factor = 1243 sta->ht_cap.ampdu_factor; 1244 } 1245 rcu_read_unlock(); 1246 1247 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, 1248 (u8 *)(&mac->max_mss_density)); 1249 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, 1250 &mac->current_ampdu_factor); 1251 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, 1252 &mac->current_ampdu_density); 1253 } 1254 1255 if (changed & BSS_CHANGED_BSSID) { 1256 u32 basic_rates; 1257 struct ieee80211_sta *sta = NULL; 1258 1259 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, 1260 (u8 *)bss_conf->bssid); 1261 1262 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1263 "bssid: %pM\n", bss_conf->bssid); 1264 1265 mac->vendor = PEER_UNKNOWN; 1266 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1267 1268 rcu_read_lock(); 1269 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1270 if (!sta) { 1271 rcu_read_unlock(); 1272 goto out; 1273 } 1274 1275 if (rtlhal->current_bandtype == BAND_ON_5G) { 1276 mac->mode = WIRELESS_MODE_A; 1277 } else { 1278 if (sta->supp_rates[0] <= 0xf) 1279 mac->mode = WIRELESS_MODE_B; 1280 else 1281 mac->mode = WIRELESS_MODE_G; 1282 } 1283 1284 if (sta->ht_cap.ht_supported) { 1285 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1286 mac->mode = WIRELESS_MODE_N_24G; 1287 else 1288 mac->mode = WIRELESS_MODE_N_5G; 1289 } 1290 1291 if (sta->vht_cap.vht_supported) { 1292 if (rtlhal->current_bandtype == BAND_ON_5G) 1293 mac->mode = WIRELESS_MODE_AC_5G; 1294 else 1295 mac->mode = WIRELESS_MODE_AC_24G; 1296 } 1297 1298 /* just station need it, because ibss & ap mode will 1299 * set in sta_add, and will be NULL here */ 1300 if (vif->type == NL80211_IFTYPE_STATION) { 1301 struct rtl_sta_info *sta_entry; 1302 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1303 sta_entry->wireless_mode = mac->mode; 1304 } 1305 1306 if (sta->ht_cap.ht_supported) { 1307 mac->ht_enable = true; 1308 1309 /* 1310 * for cisco 1252 bw20 it's wrong 1311 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { 1312 * mac->bw_40 = true; 1313 * } 1314 * */ 1315 } 1316 1317 if (sta->vht_cap.vht_supported) 1318 mac->vht_enable = true; 1319 1320 if (changed & BSS_CHANGED_BASIC_RATES) { 1321 /* for 5G must << RATE_6M_INDEX = 4, 1322 * because 5G have no cck rate*/ 1323 if (rtlhal->current_bandtype == BAND_ON_5G) 1324 basic_rates = sta->supp_rates[1] << 4; 1325 else 1326 basic_rates = sta->supp_rates[0]; 1327 1328 mac->basic_rates = basic_rates; 1329 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 1330 (u8 *)(&basic_rates)); 1331 } 1332 rcu_read_unlock(); 1333 } 1334 out: 1335 mutex_unlock(&rtlpriv->locks.conf_mutex); 1336 } 1337 1338 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1339 { 1340 struct rtl_priv *rtlpriv = rtl_priv(hw); 1341 u64 tsf; 1342 1343 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); 1344 return tsf; 1345 } 1346 1347 static void rtl_op_set_tsf(struct ieee80211_hw *hw, 1348 struct ieee80211_vif *vif, u64 tsf) 1349 { 1350 struct rtl_priv *rtlpriv = rtl_priv(hw); 1351 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1352 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 1353 1354 mac->tsf = tsf; 1355 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); 1356 } 1357 1358 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1359 { 1360 struct rtl_priv *rtlpriv = rtl_priv(hw); 1361 u8 tmp = 0; 1362 1363 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); 1364 } 1365 1366 static void rtl_op_sta_notify(struct ieee80211_hw *hw, 1367 struct ieee80211_vif *vif, 1368 enum sta_notify_cmd cmd, 1369 struct ieee80211_sta *sta) 1370 { 1371 switch (cmd) { 1372 case STA_NOTIFY_SLEEP: 1373 break; 1374 case STA_NOTIFY_AWAKE: 1375 break; 1376 default: 1377 break; 1378 } 1379 } 1380 1381 static int rtl_op_ampdu_action(struct ieee80211_hw *hw, 1382 struct ieee80211_vif *vif, 1383 struct ieee80211_ampdu_params *params) 1384 { 1385 struct rtl_priv *rtlpriv = rtl_priv(hw); 1386 struct ieee80211_sta *sta = params->sta; 1387 enum ieee80211_ampdu_mlme_action action = params->action; 1388 u16 tid = params->tid; 1389 u16 *ssn = ¶ms->ssn; 1390 1391 switch (action) { 1392 case IEEE80211_AMPDU_TX_START: 1393 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1394 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); 1395 return rtl_tx_agg_start(hw, vif, sta, tid, ssn); 1396 case IEEE80211_AMPDU_TX_STOP_CONT: 1397 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1398 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1399 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1400 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); 1401 return rtl_tx_agg_stop(hw, vif, sta, tid); 1402 case IEEE80211_AMPDU_TX_OPERATIONAL: 1403 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1404 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); 1405 rtl_tx_agg_oper(hw, sta, tid); 1406 break; 1407 case IEEE80211_AMPDU_RX_START: 1408 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1409 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); 1410 return rtl_rx_agg_start(hw, sta, tid); 1411 case IEEE80211_AMPDU_RX_STOP: 1412 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1413 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); 1414 return rtl_rx_agg_stop(hw, sta, tid); 1415 default: 1416 pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); 1417 return -EOPNOTSUPP; 1418 } 1419 return 0; 1420 } 1421 1422 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, 1423 struct ieee80211_vif *vif, 1424 const u8 *mac_addr) 1425 { 1426 struct rtl_priv *rtlpriv = rtl_priv(hw); 1427 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1428 1429 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1430 mac->act_scanning = true; 1431 if (rtlpriv->link_info.higher_busytraffic) { 1432 mac->skip_scan = true; 1433 return; 1434 } 1435 1436 if (rtlpriv->cfg->ops->get_btc_status()) 1437 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); 1438 1439 if (rtlpriv->dm.supp_phymode_switch) { 1440 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1441 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1442 } 1443 1444 if (mac->link_state == MAC80211_LINKED) { 1445 rtl_lps_leave(hw); 1446 mac->link_state = MAC80211_LINKED_SCANNING; 1447 } else { 1448 rtl_ips_nic_on(hw); 1449 } 1450 1451 /* Dul mac */ 1452 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1453 1454 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); 1455 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); 1456 } 1457 1458 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, 1459 struct ieee80211_vif *vif) 1460 { 1461 struct rtl_priv *rtlpriv = rtl_priv(hw); 1462 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1463 1464 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1465 mac->act_scanning = false; 1466 mac->skip_scan = false; 1467 1468 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1469 1470 if (rtlpriv->link_info.higher_busytraffic) 1471 return; 1472 1473 /* p2p will use 1/6/11 to scan */ 1474 if (mac->n_channels == 3) 1475 mac->p2p_in_use = true; 1476 else 1477 mac->p2p_in_use = false; 1478 mac->n_channels = 0; 1479 /* Dul mac */ 1480 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1481 1482 if (mac->link_state == MAC80211_LINKED_SCANNING) { 1483 mac->link_state = MAC80211_LINKED; 1484 if (mac->opmode == NL80211_IFTYPE_STATION) { 1485 /* fix fwlps issue */ 1486 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 1487 } 1488 } 1489 1490 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); 1491 if (rtlpriv->cfg->ops->get_btc_status()) 1492 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); 1493 } 1494 1495 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1496 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1497 struct ieee80211_key_conf *key) 1498 { 1499 struct rtl_priv *rtlpriv = rtl_priv(hw); 1500 u8 key_type = NO_ENCRYPTION; 1501 u8 key_idx; 1502 bool group_key = false; 1503 bool wep_only = false; 1504 int err = 0; 1505 u8 mac_addr[ETH_ALEN]; 1506 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1507 1508 rtlpriv->btcoexist.btc_info.in_4way = false; 1509 1510 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { 1511 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, 1512 "not open hw encryption\n"); 1513 return -ENOSPC; /*User disabled HW-crypto */ 1514 } 1515 /* To support IBSS, use sw-crypto for GTK */ 1516 if (((vif->type == NL80211_IFTYPE_ADHOC) || 1517 (vif->type == NL80211_IFTYPE_MESH_POINT)) && 1518 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 1519 return -ENOSPC; 1520 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1521 "%s hardware based encryption for keyidx: %d, mac: %pM\n", 1522 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, 1523 sta ? sta->addr : bcast_addr); 1524 rtlpriv->sec.being_setkey = true; 1525 rtl_ips_nic_on(hw); 1526 mutex_lock(&rtlpriv->locks.conf_mutex); 1527 /* <1> get encryption alg */ 1528 1529 switch (key->cipher) { 1530 case WLAN_CIPHER_SUITE_WEP40: 1531 key_type = WEP40_ENCRYPTION; 1532 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); 1533 break; 1534 case WLAN_CIPHER_SUITE_WEP104: 1535 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); 1536 key_type = WEP104_ENCRYPTION; 1537 break; 1538 case WLAN_CIPHER_SUITE_TKIP: 1539 key_type = TKIP_ENCRYPTION; 1540 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); 1541 break; 1542 case WLAN_CIPHER_SUITE_CCMP: 1543 key_type = AESCCMP_ENCRYPTION; 1544 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); 1545 break; 1546 case WLAN_CIPHER_SUITE_AES_CMAC: 1547 /* HW don't support CMAC encryption, 1548 * use software CMAC encryption 1549 */ 1550 key_type = AESCMAC_ENCRYPTION; 1551 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); 1552 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1553 "HW don't support CMAC encryption, use software CMAC encryption\n"); 1554 err = -EOPNOTSUPP; 1555 goto out_unlock; 1556 default: 1557 pr_err("alg_err:%x!!!!:\n", key->cipher); 1558 goto out_unlock; 1559 } 1560 if (key_type == WEP40_ENCRYPTION || 1561 key_type == WEP104_ENCRYPTION || 1562 vif->type == NL80211_IFTYPE_ADHOC) 1563 rtlpriv->sec.use_defaultkey = true; 1564 1565 /* <2> get key_idx */ 1566 key_idx = (u8) (key->keyidx); 1567 if (key_idx > 3) 1568 goto out_unlock; 1569 /* <3> if pairwise key enable_hw_sec */ 1570 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); 1571 1572 /* wep always be group key, but there are two conditions: 1573 * 1) wep only: is just for wep enc, in this condition 1574 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION 1575 * will be true & enable_hw_sec will be set when wep 1576 * ke setting. 1577 * 2) wep(group) + AES(pairwise): some AP like cisco 1578 * may use it, in this condition enable_hw_sec will not 1579 * be set when wep key setting */ 1580 /* we must reset sec_info after lingked before set key, 1581 * or some flag will be wrong*/ 1582 if (vif->type == NL80211_IFTYPE_AP || 1583 vif->type == NL80211_IFTYPE_MESH_POINT) { 1584 if (!group_key || key_type == WEP40_ENCRYPTION || 1585 key_type == WEP104_ENCRYPTION) { 1586 if (group_key) 1587 wep_only = true; 1588 rtlpriv->cfg->ops->enable_hw_sec(hw); 1589 } 1590 } else { 1591 if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) || 1592 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { 1593 if (rtlpriv->sec.pairwise_enc_algorithm == 1594 NO_ENCRYPTION && 1595 (key_type == WEP40_ENCRYPTION || 1596 key_type == WEP104_ENCRYPTION)) 1597 wep_only = true; 1598 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1599 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1600 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", 1601 key_type); 1602 rtlpriv->cfg->ops->enable_hw_sec(hw); 1603 } 1604 } 1605 /* <4> set key based on cmd */ 1606 switch (cmd) { 1607 case SET_KEY: 1608 if (wep_only) { 1609 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1610 "set WEP(group/pairwise) key\n"); 1611 /* Pairwise key with an assigned MAC address. */ 1612 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1613 rtlpriv->sec.group_enc_algorithm = key_type; 1614 /*set local buf about wep key. */ 1615 memcpy(rtlpriv->sec.key_buf[key_idx], 1616 key->key, key->keylen); 1617 rtlpriv->sec.key_len[key_idx] = key->keylen; 1618 eth_zero_addr(mac_addr); 1619 } else if (group_key) { /* group key */ 1620 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1621 "set group key\n"); 1622 /* group key */ 1623 rtlpriv->sec.group_enc_algorithm = key_type; 1624 /*set local buf about group key. */ 1625 memcpy(rtlpriv->sec.key_buf[key_idx], 1626 key->key, key->keylen); 1627 rtlpriv->sec.key_len[key_idx] = key->keylen; 1628 memcpy(mac_addr, bcast_addr, ETH_ALEN); 1629 } else { /* pairwise key */ 1630 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1631 "set pairwise key\n"); 1632 if (!sta) { 1633 WARN_ONCE(true, 1634 "rtlwifi: pairwise key without mac_addr\n"); 1635 1636 err = -EOPNOTSUPP; 1637 goto out_unlock; 1638 } 1639 /* Pairwise key with an assigned MAC address. */ 1640 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1641 /*set local buf about pairwise key. */ 1642 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], 1643 key->key, key->keylen); 1644 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; 1645 rtlpriv->sec.pairwise_key = 1646 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; 1647 memcpy(mac_addr, sta->addr, ETH_ALEN); 1648 } 1649 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, 1650 group_key, key_type, wep_only, 1651 false); 1652 /* <5> tell mac80211 do something: */ 1653 /*must use sw generate IV, or can not work !!!!. */ 1654 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 1655 key->hw_key_idx = key_idx; 1656 if (key_type == TKIP_ENCRYPTION) 1657 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 1658 /*use software CCMP encryption for management frames (MFP) */ 1659 if (key_type == AESCCMP_ENCRYPTION) 1660 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 1661 break; 1662 case DISABLE_KEY: 1663 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1664 "disable key delete one entry\n"); 1665 /*set local buf about wep key. */ 1666 if (vif->type == NL80211_IFTYPE_AP || 1667 vif->type == NL80211_IFTYPE_MESH_POINT) { 1668 if (sta) 1669 rtl_cam_del_entry(hw, sta->addr); 1670 } 1671 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); 1672 rtlpriv->sec.key_len[key_idx] = 0; 1673 eth_zero_addr(mac_addr); 1674 /* 1675 *mac80211 will delete entrys one by one, 1676 *so don't use rtl_cam_reset_all_entry 1677 *or clear all entry here. 1678 */ 1679 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ 1680 1681 rtl_cam_delete_one_entry(hw, mac_addr, key_idx); 1682 break; 1683 default: 1684 pr_err("cmd_err:%x!!!!:\n", cmd); 1685 } 1686 out_unlock: 1687 mutex_unlock(&rtlpriv->locks.conf_mutex); 1688 rtlpriv->sec.being_setkey = false; 1689 return err; 1690 } 1691 1692 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) 1693 { 1694 struct rtl_priv *rtlpriv = rtl_priv(hw); 1695 1696 bool radio_state; 1697 bool blocked; 1698 u8 valid = 0; 1699 1700 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1701 return; 1702 1703 mutex_lock(&rtlpriv->locks.conf_mutex); 1704 1705 /*if Radio On return true here */ 1706 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 1707 1708 if (valid) { 1709 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { 1710 rtlpriv->rfkill.rfkill_state = radio_state; 1711 1712 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, 1713 "wireless radio switch turned %s\n", 1714 radio_state ? "on" : "off"); 1715 1716 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; 1717 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1718 } 1719 } 1720 1721 mutex_unlock(&rtlpriv->locks.conf_mutex); 1722 } 1723 1724 /* this function is called by mac80211 to flush tx buffer 1725 * before switch channle or power save, or tx buffer packet 1726 * maybe send after offchannel or rf sleep, this may cause 1727 * dis-association by AP */ 1728 static void rtl_op_flush(struct ieee80211_hw *hw, 1729 struct ieee80211_vif *vif, 1730 u32 queues, 1731 bool drop) 1732 { 1733 struct rtl_priv *rtlpriv = rtl_priv(hw); 1734 1735 if (rtlpriv->intf_ops->flush) 1736 rtlpriv->intf_ops->flush(hw, queues, drop); 1737 } 1738 1739 /* Description: 1740 * This routine deals with the Power Configuration CMD 1741 * parsing for RTL8723/RTL8188E Series IC. 1742 * Assumption: 1743 * We should follow specific format that was released from HW SD. 1744 */ 1745 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, 1746 u8 faversion, u8 interface_type, 1747 struct wlan_pwr_cfg pwrcfgcmd[]) 1748 { 1749 struct wlan_pwr_cfg cfg_cmd = {0}; 1750 bool polling_bit = false; 1751 u32 ary_idx = 0; 1752 u8 value = 0; 1753 u32 offset = 0; 1754 u32 polling_count = 0; 1755 u32 max_polling_cnt = 5000; 1756 1757 do { 1758 cfg_cmd = pwrcfgcmd[ary_idx]; 1759 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1760 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", 1761 GET_PWR_CFG_OFFSET(cfg_cmd), 1762 GET_PWR_CFG_CUT_MASK(cfg_cmd), 1763 GET_PWR_CFG_FAB_MASK(cfg_cmd), 1764 GET_PWR_CFG_INTF_MASK(cfg_cmd), 1765 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), 1766 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); 1767 1768 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && 1769 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && 1770 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { 1771 switch (GET_PWR_CFG_CMD(cfg_cmd)) { 1772 case PWR_CMD_READ: 1773 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1774 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); 1775 break; 1776 case PWR_CMD_WRITE: 1777 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1778 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n"); 1779 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1780 1781 /*Read the value from system register*/ 1782 value = rtl_read_byte(rtlpriv, offset); 1783 value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); 1784 value |= (GET_PWR_CFG_VALUE(cfg_cmd) & 1785 GET_PWR_CFG_MASK(cfg_cmd)); 1786 1787 /*Write the value back to sytem register*/ 1788 rtl_write_byte(rtlpriv, offset, value); 1789 break; 1790 case PWR_CMD_POLLING: 1791 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1792 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); 1793 polling_bit = false; 1794 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1795 1796 do { 1797 value = rtl_read_byte(rtlpriv, offset); 1798 1799 value &= GET_PWR_CFG_MASK(cfg_cmd); 1800 if (value == 1801 (GET_PWR_CFG_VALUE(cfg_cmd) & 1802 GET_PWR_CFG_MASK(cfg_cmd))) 1803 polling_bit = true; 1804 else 1805 udelay(10); 1806 1807 if (polling_count++ > max_polling_cnt) 1808 return false; 1809 } while (!polling_bit); 1810 break; 1811 case PWR_CMD_DELAY: 1812 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1813 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n"); 1814 if (GET_PWR_CFG_VALUE(cfg_cmd) == 1815 PWRSEQ_DELAY_US) 1816 udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1817 else 1818 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1819 break; 1820 case PWR_CMD_END: 1821 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1822 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n"); 1823 return true; 1824 default: 1825 WARN_ONCE(true, 1826 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); 1827 break; 1828 } 1829 } 1830 ary_idx++; 1831 } while (1); 1832 1833 return true; 1834 } 1835 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); 1836 1837 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 1838 { 1839 struct rtl_priv *rtlpriv = rtl_priv(hw); 1840 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 1841 struct rtl8192_tx_ring *ring; 1842 struct rtl_tx_desc *pdesc; 1843 unsigned long flags; 1844 struct sk_buff *pskb = NULL; 1845 1846 ring = &rtlpci->tx_ring[BEACON_QUEUE]; 1847 1848 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); 1849 pskb = __skb_dequeue(&ring->queue); 1850 if (pskb) 1851 dev_kfree_skb_irq(pskb); 1852 1853 /*this is wrong, fill_tx_cmddesc needs update*/ 1854 pdesc = &ring->desc[0]; 1855 1856 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb); 1857 1858 __skb_queue_tail(&ring->queue, skb); 1859 1860 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); 1861 1862 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); 1863 1864 return true; 1865 } 1866 EXPORT_SYMBOL(rtl_cmd_send_packet); 1867 const struct ieee80211_ops rtl_ops = { 1868 .start = rtl_op_start, 1869 .stop = rtl_op_stop, 1870 .tx = rtl_op_tx, 1871 .add_interface = rtl_op_add_interface, 1872 .remove_interface = rtl_op_remove_interface, 1873 .change_interface = rtl_op_change_interface, 1874 #ifdef CONFIG_PM 1875 .suspend = rtl_op_suspend, 1876 .resume = rtl_op_resume, 1877 #endif 1878 .config = rtl_op_config, 1879 .configure_filter = rtl_op_configure_filter, 1880 .set_key = rtl_op_set_key, 1881 .conf_tx = rtl_op_conf_tx, 1882 .bss_info_changed = rtl_op_bss_info_changed, 1883 .get_tsf = rtl_op_get_tsf, 1884 .set_tsf = rtl_op_set_tsf, 1885 .reset_tsf = rtl_op_reset_tsf, 1886 .sta_notify = rtl_op_sta_notify, 1887 .ampdu_action = rtl_op_ampdu_action, 1888 .sw_scan_start = rtl_op_sw_scan_start, 1889 .sw_scan_complete = rtl_op_sw_scan_complete, 1890 .rfkill_poll = rtl_op_rfkill_poll, 1891 .sta_add = rtl_op_sta_add, 1892 .sta_remove = rtl_op_sta_remove, 1893 .flush = rtl_op_flush, 1894 }; 1895 EXPORT_SYMBOL_GPL(rtl_ops); 1896 1897 bool rtl_btc_status_false(void) 1898 { 1899 return false; 1900 } 1901 EXPORT_SYMBOL_GPL(rtl_btc_status_false); 1902 1903 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) 1904 { 1905 struct rtl_priv *rtlpriv = rtl_priv(hw); 1906 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 1907 1908 dm_digtable->dig_enable_flag = true; 1909 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 1910 dm_digtable->cur_igvalue = cur_igvalue; 1911 dm_digtable->pre_igvalue = 0; 1912 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; 1913 dm_digtable->presta_cstate = DIG_STA_DISCONNECT; 1914 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 1915 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; 1916 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; 1917 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; 1918 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; 1919 dm_digtable->rx_gain_max = DM_DIG_MAX; 1920 dm_digtable->rx_gain_min = DM_DIG_MIN; 1921 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 1922 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; 1923 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; 1924 dm_digtable->pre_cck_cca_thres = 0xff; 1925 dm_digtable->cur_cck_cca_thres = 0x83; 1926 dm_digtable->forbidden_igi = DM_DIG_MIN; 1927 dm_digtable->large_fa_hit = 0; 1928 dm_digtable->recover_cnt = 0; 1929 dm_digtable->dig_min_0 = 0x25; 1930 dm_digtable->dig_min_1 = 0x25; 1931 dm_digtable->media_connect_0 = false; 1932 dm_digtable->media_connect_1 = false; 1933 rtlpriv->dm.dm_initialgain_enable = true; 1934 dm_digtable->bt30_cur_igi = 0x32; 1935 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; 1936 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; 1937 } 1938 EXPORT_SYMBOL(rtl_dm_diginit); 1939