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(&rtlpriv->works.watchdog_timer); 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 < 0 || 457 patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { 458 RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING, 459 "Pattern[%d] is too long\n", i); 460 continue; 461 } 462 pattern_os = patterns[i].pattern; 463 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8); 464 mask_os = patterns[i].mask; 465 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 466 "pattern content\n", pattern_os, 467 patterns[i].pattern_len); 468 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 469 "mask content\n", mask_os, mask_len); 470 /* 1. unicast? multicast? or broadcast? */ 471 if (memcmp(pattern_os, broadcast_addr, 6) == 0) 472 rtl_pattern.type = BROADCAST_PATTERN; 473 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 || 474 memcmp(pattern_os, multicast_addr2, 3) == 0) 475 rtl_pattern.type = MULTICAST_PATTERN; 476 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0) 477 rtl_pattern.type = UNICAST_PATTERN; 478 else 479 rtl_pattern.type = UNKNOWN_TYPE; 480 481 /* 2. translate mask_from_os to mask_for_hw */ 482 483 /****************************************************************************** 484 * pattern from OS uses 'ethenet frame', like this: 485 486 | 6 | 6 | 2 | 20 | Variable | 4 | 487 |--------+--------+------+-----------+------------+-----| 488 | 802.3 Mac Header | IP Header | TCP Packet | FCS | 489 | DA | SA | Type | 490 491 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC, 492 493 | 24 or 30 | 6 | 2 | 20 | Variable | 4 | 494 |-------------------+--------+------+-----------+------------+-----| 495 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS | 496 | Others | Tpye | 497 498 * Therefore, we need translate mask_from_OS to mask_to_hw. 499 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0, 500 * because new mask[0~5] means 'SA', but our HW packet begins from LLC, 501 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match. 502 ******************************************************************************/ 503 504 /* Shift 6 bits */ 505 for (j = 0; j < mask_len - 1; j++) { 506 mask[j] = mask_os[j] >> 6; 507 mask[j] |= (mask_os[j + 1] & 0x3F) << 2; 508 } 509 mask[j] = (mask_os[j] >> 6) & 0x3F; 510 /* Set bit 0-5 to zero */ 511 mask[0] &= 0xC0; 512 513 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 514 "mask to hw\n", mask, mask_len); 515 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) { 516 rtl_pattern.mask[j] = mask[j * 4]; 517 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8); 518 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16); 519 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24); 520 } 521 522 /* To get the wake up pattern from the mask. 523 * We do not count first 12 bits which means 524 * DA[6] and SA[6] in the pattern to match HW design. 525 */ 526 len = 0; 527 for (j = 12; j < patterns[i].pattern_len; j++) { 528 if ((mask_os[j / 8] >> (j % 8)) & 0x01) { 529 content[len] = pattern_os[j]; 530 len++; 531 } 532 } 533 534 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 535 "pattern to hw\n", content, len); 536 /* 3. calculate crc */ 537 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len); 538 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, 539 "CRC_Remainder = 0x%x\n", rtl_pattern.crc); 540 541 /* 4. write crc & mask_for_hw to hw */ 542 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i); 543 } 544 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns); 545 } 546 547 static int rtl_op_suspend(struct ieee80211_hw *hw, 548 struct cfg80211_wowlan *wow) 549 { 550 struct rtl_priv *rtlpriv = rtl_priv(hw); 551 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 552 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 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 rtlhal->last_suspend_sec = ktime_get_real_seconds(); 560 561 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns) 562 _rtl_add_wowlan_patterns(hw, wow); 563 564 rtlhal->driver_is_goingto_unload = true; 565 rtlhal->enter_pnp_sleep = true; 566 567 rtl_lps_leave(hw); 568 rtl_op_stop(hw); 569 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true); 570 return 0; 571 } 572 573 static int rtl_op_resume(struct ieee80211_hw *hw) 574 { 575 struct rtl_priv *rtlpriv = rtl_priv(hw); 576 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 577 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 578 time64_t now; 579 580 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 581 rtlhal->driver_is_goingto_unload = false; 582 rtlhal->enter_pnp_sleep = false; 583 rtlhal->wake_from_pnp_sleep = true; 584 585 /* to resovle s4 can not wake up*/ 586 now = ktime_get_real_seconds(); 587 if (now - rtlhal->last_suspend_sec < 5) 588 return -1; 589 590 rtl_op_start(hw); 591 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false); 592 ieee80211_resume_disconnect(mac->vif); 593 rtlhal->wake_from_pnp_sleep = false; 594 return 0; 595 } 596 #endif 597 598 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) 599 { 600 struct rtl_priv *rtlpriv = rtl_priv(hw); 601 struct rtl_phy *rtlphy = &(rtlpriv->phy); 602 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 603 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 604 struct ieee80211_conf *conf = &hw->conf; 605 606 if (mac->skip_scan) 607 return 1; 608 609 mutex_lock(&rtlpriv->locks.conf_mutex); 610 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/ 611 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 612 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); 613 } 614 615 /*For IPS */ 616 if (changed & IEEE80211_CONF_CHANGE_IDLE) { 617 if (hw->conf.flags & IEEE80211_CONF_IDLE) 618 rtl_ips_nic_off(hw); 619 else 620 rtl_ips_nic_on(hw); 621 } else { 622 /* 623 *although rfoff may not cause by ips, but we will 624 *check the reason in set_rf_power_state function 625 */ 626 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 627 rtl_ips_nic_on(hw); 628 } 629 630 /*For LPS */ 631 if ((changed & IEEE80211_CONF_CHANGE_PS) && 632 rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) { 633 cancel_delayed_work(&rtlpriv->works.ps_work); 634 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 635 if (conf->flags & IEEE80211_CONF_PS) { 636 rtlpriv->psc.sw_ps_enabled = true; 637 /* sleep here is must, or we may recv the beacon and 638 * cause mac80211 into wrong ps state, this will cause 639 * power save nullfunc send fail, and further cause 640 * pkt loss, So sleep must quickly but not immediatly 641 * because that will cause nullfunc send by mac80211 642 * fail, and cause pkt loss, we have tested that 5mA 643 * is worked very well */ 644 if (!rtlpriv->psc.multi_buffered) 645 queue_delayed_work(rtlpriv->works.rtl_wq, 646 &rtlpriv->works.ps_work, 647 MSECS(5)); 648 } else { 649 rtl_swlps_rf_awake(hw); 650 rtlpriv->psc.sw_ps_enabled = false; 651 } 652 } 653 654 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { 655 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 656 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", 657 hw->conf.long_frame_max_tx_count); 658 /* brought up everything changes (changed == ~0) indicates first 659 * open, so use our default value instead of that of wiphy. 660 */ 661 if (changed != ~0) { 662 mac->retry_long = hw->conf.long_frame_max_tx_count; 663 mac->retry_short = hw->conf.long_frame_max_tx_count; 664 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 665 (u8 *)(&hw->conf.long_frame_max_tx_count)); 666 } 667 } 668 669 if (changed & IEEE80211_CONF_CHANGE_CHANNEL && 670 !rtlpriv->proximity.proxim_on) { 671 struct ieee80211_channel *channel = hw->conf.chandef.chan; 672 enum nl80211_chan_width width = hw->conf.chandef.width; 673 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; 674 u8 wide_chan = (u8) channel->hw_value; 675 676 /* channel_type is for 20&40M */ 677 if (width < NL80211_CHAN_WIDTH_80) 678 channel_type = 679 cfg80211_get_chandef_type(&hw->conf.chandef); 680 if (mac->act_scanning) 681 mac->n_channels++; 682 683 if (rtlpriv->dm.supp_phymode_switch && 684 mac->link_state < MAC80211_LINKED && 685 !mac->act_scanning) { 686 if (rtlpriv->cfg->ops->chk_switch_dmdp) 687 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 688 } 689 690 /* 691 *because we should back channel to 692 *current_network.chan in in scanning, 693 *So if set_chan == current_network.chan 694 *we should set it. 695 *because mac80211 tell us wrong bw40 696 *info for cisco1253 bw20, so we modify 697 *it here based on UPPER & LOWER 698 */ 699 700 if (width >= NL80211_CHAN_WIDTH_80) { 701 if (width == NL80211_CHAN_WIDTH_80) { 702 u32 center = hw->conf.chandef.center_freq1; 703 u32 primary = 704 (u32)hw->conf.chandef.chan->center_freq; 705 706 rtlphy->current_chan_bw = 707 HT_CHANNEL_WIDTH_80; 708 mac->bw_80 = true; 709 mac->bw_40 = true; 710 if (center > primary) { 711 mac->cur_80_prime_sc = 712 PRIME_CHNL_OFFSET_LOWER; 713 if (center - primary == 10) { 714 mac->cur_40_prime_sc = 715 PRIME_CHNL_OFFSET_UPPER; 716 717 wide_chan += 2; 718 } else if (center - primary == 30) { 719 mac->cur_40_prime_sc = 720 PRIME_CHNL_OFFSET_LOWER; 721 722 wide_chan += 6; 723 } 724 } else { 725 mac->cur_80_prime_sc = 726 PRIME_CHNL_OFFSET_UPPER; 727 if (primary - center == 10) { 728 mac->cur_40_prime_sc = 729 PRIME_CHNL_OFFSET_LOWER; 730 731 wide_chan -= 2; 732 } else if (primary - center == 30) { 733 mac->cur_40_prime_sc = 734 PRIME_CHNL_OFFSET_UPPER; 735 736 wide_chan -= 6; 737 } 738 } 739 } 740 } else { 741 switch (channel_type) { 742 case NL80211_CHAN_HT20: 743 case NL80211_CHAN_NO_HT: 744 /* SC */ 745 mac->cur_40_prime_sc = 746 PRIME_CHNL_OFFSET_DONT_CARE; 747 rtlphy->current_chan_bw = 748 HT_CHANNEL_WIDTH_20; 749 mac->bw_40 = false; 750 mac->bw_80 = false; 751 break; 752 case NL80211_CHAN_HT40MINUS: 753 /* SC */ 754 mac->cur_40_prime_sc = 755 PRIME_CHNL_OFFSET_UPPER; 756 rtlphy->current_chan_bw = 757 HT_CHANNEL_WIDTH_20_40; 758 mac->bw_40 = true; 759 mac->bw_80 = false; 760 761 /*wide channel */ 762 wide_chan -= 2; 763 764 break; 765 case NL80211_CHAN_HT40PLUS: 766 /* SC */ 767 mac->cur_40_prime_sc = 768 PRIME_CHNL_OFFSET_LOWER; 769 rtlphy->current_chan_bw = 770 HT_CHANNEL_WIDTH_20_40; 771 mac->bw_40 = true; 772 mac->bw_80 = false; 773 774 /*wide channel */ 775 wide_chan += 2; 776 777 break; 778 default: 779 mac->bw_40 = false; 780 mac->bw_80 = false; 781 pr_err("switch case %#x not processed\n", 782 channel_type); 783 break; 784 } 785 } 786 787 if (wide_chan <= 0) 788 wide_chan = 1; 789 790 /* In scanning, when before we offchannel we may send a ps=1 791 * null to AP, and then we may send a ps = 0 null to AP quickly, 792 * but first null may have caused AP to put lots of packet to 793 * hw tx buffer. These packets must be tx'd before we go off 794 * channel so we must delay more time to let AP flush these 795 * packets before going offchannel, or dis-association or 796 * delete BA will be caused by AP 797 */ 798 if (rtlpriv->mac80211.offchan_delay) { 799 rtlpriv->mac80211.offchan_delay = false; 800 mdelay(50); 801 } 802 803 rtlphy->current_channel = wide_chan; 804 805 rtlpriv->cfg->ops->switch_channel(hw); 806 rtlpriv->cfg->ops->set_channel_access(hw); 807 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type); 808 } 809 810 mutex_unlock(&rtlpriv->locks.conf_mutex); 811 812 return 0; 813 } 814 815 static void rtl_op_configure_filter(struct ieee80211_hw *hw, 816 unsigned int changed_flags, 817 unsigned int *new_flags, u64 multicast) 818 { 819 bool update_rcr = false; 820 struct rtl_priv *rtlpriv = rtl_priv(hw); 821 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 822 823 *new_flags &= RTL_SUPPORTED_FILTERS; 824 if (0 == changed_flags) 825 return; 826 827 /*TODO: we disable broadcase now, so enable here */ 828 if (changed_flags & FIF_ALLMULTI) { 829 if (*new_flags & FIF_ALLMULTI) { 830 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | 831 rtlpriv->cfg->maps[MAC_RCR_AB]; 832 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 833 "Enable receive multicast frame\n"); 834 } else { 835 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | 836 rtlpriv->cfg->maps[MAC_RCR_AB]); 837 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 838 "Disable receive multicast frame\n"); 839 } 840 update_rcr = true; 841 } 842 843 if (changed_flags & FIF_FCSFAIL) { 844 if (*new_flags & FIF_FCSFAIL) { 845 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 846 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 847 "Enable receive FCS error frame\n"); 848 } else { 849 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 850 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 851 "Disable receive FCS error frame\n"); 852 } 853 if (!update_rcr) 854 update_rcr = true; 855 } 856 857 /* if ssid not set to hw don't check bssid 858 * here just used for linked scanning, & linked 859 * and nolink check bssid is set in set network_type 860 */ 861 if (changed_flags & FIF_BCN_PRBRESP_PROMISC && 862 mac->link_state >= MAC80211_LINKED) { 863 if (mac->opmode != NL80211_IFTYPE_AP && 864 mac->opmode != NL80211_IFTYPE_MESH_POINT) { 865 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 866 rtlpriv->cfg->ops->set_chk_bssid(hw, false); 867 else 868 rtlpriv->cfg->ops->set_chk_bssid(hw, true); 869 if (update_rcr) 870 update_rcr = false; 871 } 872 } 873 874 if (changed_flags & FIF_CONTROL) { 875 if (*new_flags & FIF_CONTROL) { 876 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; 877 878 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 879 "Enable receive control frame.\n"); 880 } else { 881 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; 882 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 883 "Disable receive control frame.\n"); 884 } 885 if (!update_rcr) 886 update_rcr = true; 887 } 888 889 if (changed_flags & FIF_OTHER_BSS) { 890 if (*new_flags & FIF_OTHER_BSS) { 891 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; 892 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 893 "Enable receive other BSS's frame.\n"); 894 } else { 895 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; 896 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 897 "Disable receive other BSS's frame.\n"); 898 } 899 if (!update_rcr) 900 update_rcr = true; 901 } 902 903 if (update_rcr) 904 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, 905 (u8 *)(&mac->rx_conf)); 906 } 907 static int rtl_op_sta_add(struct ieee80211_hw *hw, 908 struct ieee80211_vif *vif, 909 struct ieee80211_sta *sta) 910 { 911 struct rtl_priv *rtlpriv = rtl_priv(hw); 912 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 913 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 914 struct rtl_sta_info *sta_entry; 915 916 if (sta) { 917 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 918 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 919 list_add_tail(&sta_entry->list, &rtlpriv->entry_list); 920 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 921 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 922 sta_entry->wireless_mode = WIRELESS_MODE_G; 923 if (sta->supp_rates[0] <= 0xf) 924 sta_entry->wireless_mode = WIRELESS_MODE_B; 925 if (sta->ht_cap.ht_supported) 926 sta_entry->wireless_mode = WIRELESS_MODE_N_24G; 927 928 if (vif->type == NL80211_IFTYPE_ADHOC) 929 sta_entry->wireless_mode = WIRELESS_MODE_G; 930 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 931 sta_entry->wireless_mode = WIRELESS_MODE_A; 932 if (sta->ht_cap.ht_supported) 933 sta_entry->wireless_mode = WIRELESS_MODE_N_5G; 934 if (sta->vht_cap.vht_supported) 935 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G; 936 937 if (vif->type == NL80211_IFTYPE_ADHOC) 938 sta_entry->wireless_mode = WIRELESS_MODE_A; 939 } 940 /*disable cck rate for p2p*/ 941 if (mac->p2p) 942 sta->supp_rates[0] &= 0xfffffff0; 943 944 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); 945 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 946 "Add sta addr is %pM\n", sta->addr); 947 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); 948 } 949 950 return 0; 951 } 952 953 static int rtl_op_sta_remove(struct ieee80211_hw *hw, 954 struct ieee80211_vif *vif, 955 struct ieee80211_sta *sta) 956 { 957 struct rtl_priv *rtlpriv = rtl_priv(hw); 958 struct rtl_sta_info *sta_entry; 959 if (sta) { 960 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 961 "Remove sta addr is %pM\n", sta->addr); 962 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 963 sta_entry->wireless_mode = 0; 964 sta_entry->ratr_index = 0; 965 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 966 list_del(&sta_entry->list); 967 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 968 } 969 return 0; 970 } 971 static int _rtl_get_hal_qnum(u16 queue) 972 { 973 int qnum; 974 975 switch (queue) { 976 case 0: 977 qnum = AC3_VO; 978 break; 979 case 1: 980 qnum = AC2_VI; 981 break; 982 case 2: 983 qnum = AC0_BE; 984 break; 985 case 3: 986 qnum = AC1_BK; 987 break; 988 default: 989 qnum = AC0_BE; 990 break; 991 } 992 return qnum; 993 } 994 995 /* 996 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 997 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 998 */ 999 static int rtl_op_conf_tx(struct ieee80211_hw *hw, 1000 struct ieee80211_vif *vif, u16 queue, 1001 const struct ieee80211_tx_queue_params *param) 1002 { 1003 struct rtl_priv *rtlpriv = rtl_priv(hw); 1004 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1005 int aci; 1006 1007 if (queue >= AC_MAX) { 1008 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, 1009 "queue number %d is incorrect!\n", queue); 1010 return -EINVAL; 1011 } 1012 1013 aci = _rtl_get_hal_qnum(queue); 1014 mac->ac[aci].aifs = param->aifs; 1015 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); 1016 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); 1017 mac->ac[aci].tx_op = cpu_to_le16(param->txop); 1018 memcpy(&mac->edca_param[aci], param, sizeof(*param)); 1019 rtlpriv->cfg->ops->set_qos(hw, aci); 1020 return 0; 1021 } 1022 1023 static void send_beacon_frame(struct ieee80211_hw *hw, 1024 struct ieee80211_vif *vif) 1025 { 1026 struct rtl_priv *rtlpriv = rtl_priv(hw); 1027 struct sk_buff *skb = ieee80211_beacon_get(hw, vif); 1028 struct rtl_tcb_desc tcb_desc; 1029 1030 if (skb) { 1031 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1032 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); 1033 } 1034 } 1035 1036 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, 1037 struct ieee80211_vif *vif, 1038 struct ieee80211_bss_conf *bss_conf, 1039 u32 changed) 1040 { 1041 struct rtl_priv *rtlpriv = rtl_priv(hw); 1042 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 1043 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1044 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1045 1046 mutex_lock(&rtlpriv->locks.conf_mutex); 1047 if (vif->type == NL80211_IFTYPE_ADHOC || 1048 vif->type == NL80211_IFTYPE_AP || 1049 vif->type == NL80211_IFTYPE_MESH_POINT) { 1050 if (changed & BSS_CHANGED_BEACON || 1051 (changed & BSS_CHANGED_BEACON_ENABLED && 1052 bss_conf->enable_beacon)) { 1053 if (mac->beacon_enabled == 0) { 1054 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1055 "BSS_CHANGED_BEACON_ENABLED\n"); 1056 1057 /*start hw beacon interrupt. */ 1058 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ 1059 mac->beacon_enabled = 1; 1060 rtlpriv->cfg->ops->update_interrupt_mask(hw, 1061 rtlpriv->cfg->maps 1062 [RTL_IBSS_INT_MASKS], 0); 1063 1064 if (rtlpriv->cfg->ops->linked_set_reg) 1065 rtlpriv->cfg->ops->linked_set_reg(hw); 1066 send_beacon_frame(hw, vif); 1067 } 1068 } 1069 if ((changed & BSS_CHANGED_BEACON_ENABLED && 1070 !bss_conf->enable_beacon)) { 1071 if (mac->beacon_enabled == 1) { 1072 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1073 "ADHOC DISABLE BEACON\n"); 1074 1075 mac->beacon_enabled = 0; 1076 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 1077 rtlpriv->cfg->maps 1078 [RTL_IBSS_INT_MASKS]); 1079 } 1080 } 1081 if (changed & BSS_CHANGED_BEACON_INT) { 1082 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE, 1083 "BSS_CHANGED_BEACON_INT\n"); 1084 mac->beacon_interval = bss_conf->beacon_int; 1085 rtlpriv->cfg->ops->set_bcn_intv(hw); 1086 } 1087 } 1088 1089 /*TODO: reference to enum ieee80211_bss_change */ 1090 if (changed & BSS_CHANGED_ASSOC) { 1091 u8 mstatus; 1092 if (bss_conf->assoc) { 1093 struct ieee80211_sta *sta = NULL; 1094 u8 keep_alive = 10; 1095 1096 mstatus = RT_MEDIA_CONNECT; 1097 /* we should reset all sec info & cam 1098 * before set cam after linked, we should not 1099 * reset in disassoc, that will cause tkip->wep 1100 * fail because some flag will be wrong */ 1101 /* reset sec info */ 1102 rtl_cam_reset_sec_info(hw); 1103 /* reset cam to fix wep fail issue 1104 * when change from wpa to wep */ 1105 rtl_cam_reset_all_entry(hw); 1106 1107 mac->link_state = MAC80211_LINKED; 1108 mac->cnt_after_linked = 0; 1109 mac->assoc_id = bss_conf->aid; 1110 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1111 1112 if (rtlpriv->cfg->ops->linked_set_reg) 1113 rtlpriv->cfg->ops->linked_set_reg(hw); 1114 1115 rcu_read_lock(); 1116 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1117 if (!sta) { 1118 rcu_read_unlock(); 1119 goto out; 1120 } 1121 RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, 1122 "send PS STATIC frame\n"); 1123 if (rtlpriv->dm.supp_phymode_switch) { 1124 if (sta->ht_cap.ht_supported) 1125 rtl_send_smps_action(hw, sta, 1126 IEEE80211_SMPS_STATIC); 1127 } 1128 1129 if (rtlhal->current_bandtype == BAND_ON_5G) { 1130 mac->mode = WIRELESS_MODE_A; 1131 } else { 1132 if (sta->supp_rates[0] <= 0xf) 1133 mac->mode = WIRELESS_MODE_B; 1134 else 1135 mac->mode = WIRELESS_MODE_G; 1136 } 1137 1138 if (sta->ht_cap.ht_supported) { 1139 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1140 mac->mode = WIRELESS_MODE_N_24G; 1141 else 1142 mac->mode = WIRELESS_MODE_N_5G; 1143 } 1144 1145 if (sta->vht_cap.vht_supported) { 1146 if (rtlhal->current_bandtype == BAND_ON_5G) 1147 mac->mode = WIRELESS_MODE_AC_5G; 1148 else 1149 mac->mode = WIRELESS_MODE_AC_24G; 1150 } 1151 1152 if (vif->type == NL80211_IFTYPE_STATION) 1153 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, 1154 true); 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 struct cfg80211_bss *bss = NULL; 1166 1167 mstatus = RT_MEDIA_DISCONNECT; 1168 1169 if (mac->link_state == MAC80211_LINKED) 1170 rtl_lps_leave(hw); 1171 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) 1172 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); 1173 mac->link_state = MAC80211_NOLINK; 1174 1175 bss = cfg80211_get_bss(hw->wiphy, NULL, 1176 (u8 *)mac->bssid, NULL, 0, 1177 IEEE80211_BSS_TYPE_ESS, 1178 IEEE80211_PRIVACY_OFF); 1179 1180 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1181 "bssid = %pMF\n", mac->bssid); 1182 1183 if (bss) { 1184 cfg80211_unlink_bss(hw->wiphy, bss); 1185 cfg80211_put_bss(hw->wiphy, bss); 1186 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1187 "cfg80211_unlink !!\n"); 1188 } 1189 1190 eth_zero_addr(mac->bssid); 1191 mac->vendor = PEER_UNKNOWN; 1192 mac->mode = 0; 1193 1194 if (rtlpriv->dm.supp_phymode_switch) { 1195 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1196 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1197 } 1198 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1199 "BSS_CHANGED_UN_ASSOC\n"); 1200 } 1201 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 1202 /* For FW LPS: 1203 * To tell firmware we have connected or disconnected 1204 */ 1205 rtlpriv->cfg->ops->set_hw_reg(hw, 1206 HW_VAR_H2C_FW_JOINBSSRPT, 1207 (u8 *)(&mstatus)); 1208 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? 1209 true : false; 1210 1211 if (rtlpriv->cfg->ops->get_btc_status()) 1212 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( 1213 rtlpriv, mstatus); 1214 } 1215 1216 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 1217 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1218 "BSS_CHANGED_ERP_CTS_PROT\n"); 1219 mac->use_cts_protect = bss_conf->use_cts_prot; 1220 } 1221 1222 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 1223 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 1224 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", 1225 bss_conf->use_short_preamble); 1226 1227 mac->short_preamble = bss_conf->use_short_preamble; 1228 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, 1229 (u8 *)(&mac->short_preamble)); 1230 } 1231 1232 if (changed & BSS_CHANGED_ERP_SLOT) { 1233 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1234 "BSS_CHANGED_ERP_SLOT\n"); 1235 1236 if (bss_conf->use_short_slot) 1237 mac->slot_time = RTL_SLOT_TIME_9; 1238 else 1239 mac->slot_time = RTL_SLOT_TIME_20; 1240 1241 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, 1242 (u8 *)(&mac->slot_time)); 1243 } 1244 1245 if (changed & BSS_CHANGED_HT) { 1246 struct ieee80211_sta *sta = NULL; 1247 1248 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1249 "BSS_CHANGED_HT\n"); 1250 1251 rcu_read_lock(); 1252 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1253 if (sta) { 1254 if (sta->ht_cap.ampdu_density > 1255 mac->current_ampdu_density) 1256 mac->current_ampdu_density = 1257 sta->ht_cap.ampdu_density; 1258 if (sta->ht_cap.ampdu_factor < 1259 mac->current_ampdu_factor) 1260 mac->current_ampdu_factor = 1261 sta->ht_cap.ampdu_factor; 1262 } 1263 rcu_read_unlock(); 1264 1265 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, 1266 (u8 *)(&mac->max_mss_density)); 1267 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, 1268 &mac->current_ampdu_factor); 1269 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, 1270 &mac->current_ampdu_density); 1271 } 1272 1273 if (changed & BSS_CHANGED_BSSID) { 1274 u32 basic_rates; 1275 struct ieee80211_sta *sta = NULL; 1276 1277 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, 1278 (u8 *)bss_conf->bssid); 1279 1280 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1281 "bssid: %pM\n", bss_conf->bssid); 1282 1283 mac->vendor = PEER_UNKNOWN; 1284 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1285 1286 rcu_read_lock(); 1287 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1288 if (!sta) { 1289 rcu_read_unlock(); 1290 goto out; 1291 } 1292 1293 if (rtlhal->current_bandtype == BAND_ON_5G) { 1294 mac->mode = WIRELESS_MODE_A; 1295 } else { 1296 if (sta->supp_rates[0] <= 0xf) 1297 mac->mode = WIRELESS_MODE_B; 1298 else 1299 mac->mode = WIRELESS_MODE_G; 1300 } 1301 1302 if (sta->ht_cap.ht_supported) { 1303 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1304 mac->mode = WIRELESS_MODE_N_24G; 1305 else 1306 mac->mode = WIRELESS_MODE_N_5G; 1307 } 1308 1309 if (sta->vht_cap.vht_supported) { 1310 if (rtlhal->current_bandtype == BAND_ON_5G) 1311 mac->mode = WIRELESS_MODE_AC_5G; 1312 else 1313 mac->mode = WIRELESS_MODE_AC_24G; 1314 } 1315 1316 /* just station need it, because ibss & ap mode will 1317 * set in sta_add, and will be NULL here */ 1318 if (vif->type == NL80211_IFTYPE_STATION) { 1319 struct rtl_sta_info *sta_entry; 1320 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1321 sta_entry->wireless_mode = mac->mode; 1322 } 1323 1324 if (sta->ht_cap.ht_supported) { 1325 mac->ht_enable = true; 1326 1327 /* 1328 * for cisco 1252 bw20 it's wrong 1329 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { 1330 * mac->bw_40 = true; 1331 * } 1332 * */ 1333 } 1334 1335 if (sta->vht_cap.vht_supported) 1336 mac->vht_enable = true; 1337 1338 if (changed & BSS_CHANGED_BASIC_RATES) { 1339 /* for 5G must << RATE_6M_INDEX = 4, 1340 * because 5G have no cck rate*/ 1341 if (rtlhal->current_bandtype == BAND_ON_5G) 1342 basic_rates = sta->supp_rates[1] << 4; 1343 else 1344 basic_rates = sta->supp_rates[0]; 1345 1346 mac->basic_rates = basic_rates; 1347 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 1348 (u8 *)(&basic_rates)); 1349 } 1350 rcu_read_unlock(); 1351 } 1352 out: 1353 mutex_unlock(&rtlpriv->locks.conf_mutex); 1354 } 1355 1356 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1357 { 1358 struct rtl_priv *rtlpriv = rtl_priv(hw); 1359 u64 tsf; 1360 1361 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); 1362 return tsf; 1363 } 1364 1365 static void rtl_op_set_tsf(struct ieee80211_hw *hw, 1366 struct ieee80211_vif *vif, u64 tsf) 1367 { 1368 struct rtl_priv *rtlpriv = rtl_priv(hw); 1369 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1370 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 1371 1372 mac->tsf = tsf; 1373 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); 1374 } 1375 1376 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1377 { 1378 struct rtl_priv *rtlpriv = rtl_priv(hw); 1379 u8 tmp = 0; 1380 1381 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); 1382 } 1383 1384 static void rtl_op_sta_notify(struct ieee80211_hw *hw, 1385 struct ieee80211_vif *vif, 1386 enum sta_notify_cmd cmd, 1387 struct ieee80211_sta *sta) 1388 { 1389 switch (cmd) { 1390 case STA_NOTIFY_SLEEP: 1391 break; 1392 case STA_NOTIFY_AWAKE: 1393 break; 1394 default: 1395 break; 1396 } 1397 } 1398 1399 static int rtl_op_ampdu_action(struct ieee80211_hw *hw, 1400 struct ieee80211_vif *vif, 1401 struct ieee80211_ampdu_params *params) 1402 { 1403 struct rtl_priv *rtlpriv = rtl_priv(hw); 1404 struct ieee80211_sta *sta = params->sta; 1405 enum ieee80211_ampdu_mlme_action action = params->action; 1406 u16 tid = params->tid; 1407 u16 *ssn = ¶ms->ssn; 1408 1409 switch (action) { 1410 case IEEE80211_AMPDU_TX_START: 1411 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1412 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); 1413 return rtl_tx_agg_start(hw, vif, sta, tid, ssn); 1414 case IEEE80211_AMPDU_TX_STOP_CONT: 1415 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1416 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1417 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1418 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); 1419 return rtl_tx_agg_stop(hw, vif, sta, tid); 1420 case IEEE80211_AMPDU_TX_OPERATIONAL: 1421 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1422 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); 1423 rtl_tx_agg_oper(hw, sta, tid); 1424 break; 1425 case IEEE80211_AMPDU_RX_START: 1426 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1427 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); 1428 return rtl_rx_agg_start(hw, sta, tid); 1429 case IEEE80211_AMPDU_RX_STOP: 1430 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1431 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); 1432 return rtl_rx_agg_stop(hw, sta, tid); 1433 default: 1434 pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); 1435 return -EOPNOTSUPP; 1436 } 1437 return 0; 1438 } 1439 1440 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, 1441 struct ieee80211_vif *vif, 1442 const u8 *mac_addr) 1443 { 1444 struct rtl_priv *rtlpriv = rtl_priv(hw); 1445 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1446 1447 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1448 mac->act_scanning = true; 1449 if (rtlpriv->link_info.higher_busytraffic) { 1450 mac->skip_scan = true; 1451 return; 1452 } 1453 1454 if (rtlpriv->cfg->ops->get_btc_status()) 1455 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); 1456 else if (rtlpriv->btcoexist.btc_ops) 1457 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1458 1); 1459 1460 if (rtlpriv->dm.supp_phymode_switch) { 1461 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1462 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1463 } 1464 1465 if (mac->link_state == MAC80211_LINKED) { 1466 rtl_lps_leave(hw); 1467 mac->link_state = MAC80211_LINKED_SCANNING; 1468 } else { 1469 rtl_ips_nic_on(hw); 1470 } 1471 1472 /* Dul mac */ 1473 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1474 1475 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); 1476 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); 1477 } 1478 1479 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, 1480 struct ieee80211_vif *vif) 1481 { 1482 struct rtl_priv *rtlpriv = rtl_priv(hw); 1483 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1484 1485 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1486 mac->act_scanning = false; 1487 mac->skip_scan = false; 1488 1489 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1490 1491 if (rtlpriv->link_info.higher_busytraffic) 1492 return; 1493 1494 /* p2p will use 1/6/11 to scan */ 1495 if (mac->n_channels == 3) 1496 mac->p2p_in_use = true; 1497 else 1498 mac->p2p_in_use = false; 1499 mac->n_channels = 0; 1500 /* Dul mac */ 1501 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1502 1503 if (mac->link_state == MAC80211_LINKED_SCANNING) { 1504 mac->link_state = MAC80211_LINKED; 1505 if (mac->opmode == NL80211_IFTYPE_STATION) { 1506 /* fix fwlps issue */ 1507 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 1508 } 1509 } 1510 1511 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); 1512 if (rtlpriv->cfg->ops->get_btc_status()) 1513 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); 1514 else if (rtlpriv->btcoexist.btc_ops) 1515 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1516 0); 1517 } 1518 1519 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1520 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1521 struct ieee80211_key_conf *key) 1522 { 1523 struct rtl_priv *rtlpriv = rtl_priv(hw); 1524 u8 key_type = NO_ENCRYPTION; 1525 u8 key_idx; 1526 bool group_key = false; 1527 bool wep_only = false; 1528 int err = 0; 1529 u8 mac_addr[ETH_ALEN]; 1530 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1531 1532 rtlpriv->btcoexist.btc_info.in_4way = false; 1533 1534 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { 1535 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, 1536 "not open hw encryption\n"); 1537 return -ENOSPC; /*User disabled HW-crypto */ 1538 } 1539 /* To support IBSS, use sw-crypto for GTK */ 1540 if ((vif->type == NL80211_IFTYPE_ADHOC || 1541 vif->type == NL80211_IFTYPE_MESH_POINT) && 1542 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 1543 return -ENOSPC; 1544 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1545 "%s hardware based encryption for keyidx: %d, mac: %pM\n", 1546 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, 1547 sta ? sta->addr : bcast_addr); 1548 rtlpriv->sec.being_setkey = true; 1549 rtl_ips_nic_on(hw); 1550 mutex_lock(&rtlpriv->locks.conf_mutex); 1551 /* <1> get encryption alg */ 1552 1553 switch (key->cipher) { 1554 case WLAN_CIPHER_SUITE_WEP40: 1555 key_type = WEP40_ENCRYPTION; 1556 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); 1557 break; 1558 case WLAN_CIPHER_SUITE_WEP104: 1559 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); 1560 key_type = WEP104_ENCRYPTION; 1561 break; 1562 case WLAN_CIPHER_SUITE_TKIP: 1563 key_type = TKIP_ENCRYPTION; 1564 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); 1565 break; 1566 case WLAN_CIPHER_SUITE_CCMP: 1567 key_type = AESCCMP_ENCRYPTION; 1568 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); 1569 break; 1570 case WLAN_CIPHER_SUITE_AES_CMAC: 1571 /* HW don't support CMAC encryption, 1572 * use software CMAC encryption 1573 */ 1574 key_type = AESCMAC_ENCRYPTION; 1575 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); 1576 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1577 "HW don't support CMAC encryption, use software CMAC encryption\n"); 1578 err = -EOPNOTSUPP; 1579 goto out_unlock; 1580 default: 1581 pr_err("alg_err:%x!!!!:\n", key->cipher); 1582 goto out_unlock; 1583 } 1584 if (key_type == WEP40_ENCRYPTION || 1585 key_type == WEP104_ENCRYPTION || 1586 vif->type == NL80211_IFTYPE_ADHOC) 1587 rtlpriv->sec.use_defaultkey = true; 1588 1589 /* <2> get key_idx */ 1590 key_idx = (u8) (key->keyidx); 1591 if (key_idx > 3) 1592 goto out_unlock; 1593 /* <3> if pairwise key enable_hw_sec */ 1594 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); 1595 1596 /* wep always be group key, but there are two conditions: 1597 * 1) wep only: is just for wep enc, in this condition 1598 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION 1599 * will be true & enable_hw_sec will be set when wep 1600 * ke setting. 1601 * 2) wep(group) + AES(pairwise): some AP like cisco 1602 * may use it, in this condition enable_hw_sec will not 1603 * be set when wep key setting */ 1604 /* we must reset sec_info after lingked before set key, 1605 * or some flag will be wrong*/ 1606 if (vif->type == NL80211_IFTYPE_AP || 1607 vif->type == NL80211_IFTYPE_MESH_POINT) { 1608 if (!group_key || key_type == WEP40_ENCRYPTION || 1609 key_type == WEP104_ENCRYPTION) { 1610 if (group_key) 1611 wep_only = true; 1612 rtlpriv->cfg->ops->enable_hw_sec(hw); 1613 } 1614 } else { 1615 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || 1616 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { 1617 if (rtlpriv->sec.pairwise_enc_algorithm == 1618 NO_ENCRYPTION && 1619 (key_type == WEP40_ENCRYPTION || 1620 key_type == WEP104_ENCRYPTION)) 1621 wep_only = true; 1622 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1623 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1624 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", 1625 key_type); 1626 rtlpriv->cfg->ops->enable_hw_sec(hw); 1627 } 1628 } 1629 /* <4> set key based on cmd */ 1630 switch (cmd) { 1631 case SET_KEY: 1632 if (wep_only) { 1633 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1634 "set WEP(group/pairwise) key\n"); 1635 /* Pairwise key with an assigned MAC address. */ 1636 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1637 rtlpriv->sec.group_enc_algorithm = key_type; 1638 /*set local buf about wep key. */ 1639 memcpy(rtlpriv->sec.key_buf[key_idx], 1640 key->key, key->keylen); 1641 rtlpriv->sec.key_len[key_idx] = key->keylen; 1642 eth_zero_addr(mac_addr); 1643 } else if (group_key) { /* group key */ 1644 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1645 "set group key\n"); 1646 /* group key */ 1647 rtlpriv->sec.group_enc_algorithm = key_type; 1648 /*set local buf about group key. */ 1649 memcpy(rtlpriv->sec.key_buf[key_idx], 1650 key->key, key->keylen); 1651 rtlpriv->sec.key_len[key_idx] = key->keylen; 1652 memcpy(mac_addr, bcast_addr, ETH_ALEN); 1653 } else { /* pairwise key */ 1654 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1655 "set pairwise key\n"); 1656 if (!sta) { 1657 WARN_ONCE(true, 1658 "rtlwifi: pairwise key without mac_addr\n"); 1659 1660 err = -EOPNOTSUPP; 1661 goto out_unlock; 1662 } 1663 /* Pairwise key with an assigned MAC address. */ 1664 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1665 /*set local buf about pairwise key. */ 1666 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], 1667 key->key, key->keylen); 1668 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; 1669 rtlpriv->sec.pairwise_key = 1670 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; 1671 memcpy(mac_addr, sta->addr, ETH_ALEN); 1672 } 1673 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, 1674 group_key, key_type, wep_only, 1675 false); 1676 /* <5> tell mac80211 do something: */ 1677 /*must use sw generate IV, or can not work !!!!. */ 1678 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 1679 key->hw_key_idx = key_idx; 1680 if (key_type == TKIP_ENCRYPTION) 1681 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 1682 /*use software CCMP encryption for management frames (MFP) */ 1683 if (key_type == AESCCMP_ENCRYPTION) 1684 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 1685 break; 1686 case DISABLE_KEY: 1687 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1688 "disable key delete one entry\n"); 1689 /*set local buf about wep key. */ 1690 if (vif->type == NL80211_IFTYPE_AP || 1691 vif->type == NL80211_IFTYPE_MESH_POINT) { 1692 if (sta) 1693 rtl_cam_del_entry(hw, sta->addr); 1694 } 1695 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); 1696 rtlpriv->sec.key_len[key_idx] = 0; 1697 eth_zero_addr(mac_addr); 1698 /* 1699 *mac80211 will delete entrys one by one, 1700 *so don't use rtl_cam_reset_all_entry 1701 *or clear all entry here. 1702 */ 1703 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ 1704 1705 rtl_cam_delete_one_entry(hw, mac_addr, key_idx); 1706 break; 1707 default: 1708 pr_err("cmd_err:%x!!!!:\n", cmd); 1709 } 1710 out_unlock: 1711 mutex_unlock(&rtlpriv->locks.conf_mutex); 1712 rtlpriv->sec.being_setkey = false; 1713 return err; 1714 } 1715 1716 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) 1717 { 1718 struct rtl_priv *rtlpriv = rtl_priv(hw); 1719 1720 bool radio_state; 1721 bool blocked; 1722 u8 valid = 0; 1723 1724 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1725 return; 1726 1727 mutex_lock(&rtlpriv->locks.conf_mutex); 1728 1729 /*if Radio On return true here */ 1730 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 1731 1732 if (valid) { 1733 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { 1734 rtlpriv->rfkill.rfkill_state = radio_state; 1735 1736 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, 1737 "wireless radio switch turned %s\n", 1738 radio_state ? "on" : "off"); 1739 1740 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; 1741 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1742 } 1743 } 1744 1745 mutex_unlock(&rtlpriv->locks.conf_mutex); 1746 } 1747 1748 /* this function is called by mac80211 to flush tx buffer 1749 * before switch channle or power save, or tx buffer packet 1750 * maybe send after offchannel or rf sleep, this may cause 1751 * dis-association by AP */ 1752 static void rtl_op_flush(struct ieee80211_hw *hw, 1753 struct ieee80211_vif *vif, 1754 u32 queues, 1755 bool drop) 1756 { 1757 struct rtl_priv *rtlpriv = rtl_priv(hw); 1758 1759 if (rtlpriv->intf_ops->flush) 1760 rtlpriv->intf_ops->flush(hw, queues, drop); 1761 } 1762 1763 /* Description: 1764 * This routine deals with the Power Configuration CMD 1765 * parsing for RTL8723/RTL8188E Series IC. 1766 * Assumption: 1767 * We should follow specific format that was released from HW SD. 1768 */ 1769 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, 1770 u8 faversion, u8 interface_type, 1771 struct wlan_pwr_cfg pwrcfgcmd[]) 1772 { 1773 struct wlan_pwr_cfg cfg_cmd; 1774 bool polling_bit = false; 1775 u32 ary_idx = 0; 1776 u8 value = 0; 1777 u32 offset = 0; 1778 u32 polling_count = 0; 1779 u32 max_polling_cnt = 5000; 1780 1781 do { 1782 cfg_cmd = pwrcfgcmd[ary_idx]; 1783 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1784 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", 1785 GET_PWR_CFG_OFFSET(cfg_cmd), 1786 GET_PWR_CFG_CUT_MASK(cfg_cmd), 1787 GET_PWR_CFG_FAB_MASK(cfg_cmd), 1788 GET_PWR_CFG_INTF_MASK(cfg_cmd), 1789 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), 1790 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); 1791 1792 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && 1793 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && 1794 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { 1795 switch (GET_PWR_CFG_CMD(cfg_cmd)) { 1796 case PWR_CMD_READ: 1797 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1798 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); 1799 break; 1800 case PWR_CMD_WRITE: 1801 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1802 "%s(): PWR_CMD_WRITE\n", __func__); 1803 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1804 1805 /*Read the value from system register*/ 1806 value = rtl_read_byte(rtlpriv, offset); 1807 value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); 1808 value |= (GET_PWR_CFG_VALUE(cfg_cmd) & 1809 GET_PWR_CFG_MASK(cfg_cmd)); 1810 1811 /*Write the value back to sytem register*/ 1812 rtl_write_byte(rtlpriv, offset, value); 1813 break; 1814 case PWR_CMD_POLLING: 1815 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1816 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); 1817 polling_bit = false; 1818 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1819 1820 do { 1821 value = rtl_read_byte(rtlpriv, offset); 1822 1823 value &= GET_PWR_CFG_MASK(cfg_cmd); 1824 if (value == 1825 (GET_PWR_CFG_VALUE(cfg_cmd) & 1826 GET_PWR_CFG_MASK(cfg_cmd))) 1827 polling_bit = true; 1828 else 1829 udelay(10); 1830 1831 if (polling_count++ > max_polling_cnt) 1832 return false; 1833 } while (!polling_bit); 1834 break; 1835 case PWR_CMD_DELAY: 1836 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1837 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n"); 1838 if (GET_PWR_CFG_VALUE(cfg_cmd) == 1839 PWRSEQ_DELAY_US) 1840 udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1841 else 1842 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1843 break; 1844 case PWR_CMD_END: 1845 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1846 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n"); 1847 return true; 1848 default: 1849 WARN_ONCE(true, 1850 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); 1851 break; 1852 } 1853 } 1854 ary_idx++; 1855 } while (1); 1856 1857 return true; 1858 } 1859 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); 1860 1861 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 1862 { 1863 struct rtl_priv *rtlpriv = rtl_priv(hw); 1864 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 1865 struct rtl8192_tx_ring *ring; 1866 struct rtl_tx_desc *pdesc; 1867 unsigned long flags; 1868 struct sk_buff *pskb = NULL; 1869 1870 ring = &rtlpci->tx_ring[BEACON_QUEUE]; 1871 1872 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); 1873 pskb = __skb_dequeue(&ring->queue); 1874 if (pskb) 1875 dev_kfree_skb_irq(pskb); 1876 1877 /*this is wrong, fill_tx_cmddesc needs update*/ 1878 pdesc = &ring->desc[0]; 1879 1880 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb); 1881 1882 __skb_queue_tail(&ring->queue, skb); 1883 1884 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); 1885 1886 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); 1887 1888 return true; 1889 } 1890 EXPORT_SYMBOL(rtl_cmd_send_packet); 1891 const struct ieee80211_ops rtl_ops = { 1892 .start = rtl_op_start, 1893 .stop = rtl_op_stop, 1894 .tx = rtl_op_tx, 1895 .add_interface = rtl_op_add_interface, 1896 .remove_interface = rtl_op_remove_interface, 1897 .change_interface = rtl_op_change_interface, 1898 #ifdef CONFIG_PM 1899 .suspend = rtl_op_suspend, 1900 .resume = rtl_op_resume, 1901 #endif 1902 .config = rtl_op_config, 1903 .configure_filter = rtl_op_configure_filter, 1904 .set_key = rtl_op_set_key, 1905 .conf_tx = rtl_op_conf_tx, 1906 .bss_info_changed = rtl_op_bss_info_changed, 1907 .get_tsf = rtl_op_get_tsf, 1908 .set_tsf = rtl_op_set_tsf, 1909 .reset_tsf = rtl_op_reset_tsf, 1910 .sta_notify = rtl_op_sta_notify, 1911 .ampdu_action = rtl_op_ampdu_action, 1912 .sw_scan_start = rtl_op_sw_scan_start, 1913 .sw_scan_complete = rtl_op_sw_scan_complete, 1914 .rfkill_poll = rtl_op_rfkill_poll, 1915 .sta_add = rtl_op_sta_add, 1916 .sta_remove = rtl_op_sta_remove, 1917 .flush = rtl_op_flush, 1918 }; 1919 EXPORT_SYMBOL_GPL(rtl_ops); 1920 1921 bool rtl_btc_status_false(void) 1922 { 1923 return false; 1924 } 1925 EXPORT_SYMBOL_GPL(rtl_btc_status_false); 1926 1927 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) 1928 { 1929 struct rtl_priv *rtlpriv = rtl_priv(hw); 1930 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 1931 1932 dm_digtable->dig_enable_flag = true; 1933 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 1934 dm_digtable->cur_igvalue = cur_igvalue; 1935 dm_digtable->pre_igvalue = 0; 1936 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; 1937 dm_digtable->presta_cstate = DIG_STA_DISCONNECT; 1938 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 1939 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; 1940 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; 1941 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; 1942 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; 1943 dm_digtable->rx_gain_max = DM_DIG_MAX; 1944 dm_digtable->rx_gain_min = DM_DIG_MIN; 1945 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 1946 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; 1947 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; 1948 dm_digtable->pre_cck_cca_thres = 0xff; 1949 dm_digtable->cur_cck_cca_thres = 0x83; 1950 dm_digtable->forbidden_igi = DM_DIG_MIN; 1951 dm_digtable->large_fa_hit = 0; 1952 dm_digtable->recover_cnt = 0; 1953 dm_digtable->dig_min_0 = 0x25; 1954 dm_digtable->dig_min_1 = 0x25; 1955 dm_digtable->media_connect_0 = false; 1956 dm_digtable->media_connect_1 = false; 1957 rtlpriv->dm.dm_initialgain_enable = true; 1958 dm_digtable->bt30_cur_igi = 0x32; 1959 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; 1960 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; 1961 } 1962 EXPORT_SYMBOL(rtl_dm_diginit); 1963