1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #include "wifi.h" 5 #include "core.h" 6 #include "cam.h" 7 #include "base.h" 8 #include "ps.h" 9 #include "pwrseqcmd.h" 10 11 #include "btcoexist/rtl_btc.h" 12 #include <linux/firmware.h> 13 #include <linux/export.h> 14 #include <net/cfg80211.h> 15 16 u8 channel5g[CHANNEL_MAX_NUMBER_5G] = { 17 36, 38, 40, 42, 44, 46, 48, /* Band 1 */ 18 52, 54, 56, 58, 60, 62, 64, /* Band 2 */ 19 100, 102, 104, 106, 108, 110, 112, /* Band 3 */ 20 116, 118, 120, 122, 124, 126, 128, /* Band 3 */ 21 132, 134, 136, 138, 140, 142, 144, /* Band 3 */ 22 149, 151, 153, 155, 157, 159, 161, /* Band 4 */ 23 165, 167, 169, 171, 173, 175, 177 /* Band 4 */ 24 }; 25 EXPORT_SYMBOL(channel5g); 26 27 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = { 28 42, 58, 106, 122, 138, 155, 171 29 }; 30 EXPORT_SYMBOL(channel5g_80m); 31 32 void rtl_addr_delay(u32 addr) 33 { 34 if (addr == 0xfe) 35 mdelay(50); 36 else if (addr == 0xfd) 37 msleep(5); 38 else if (addr == 0xfc) 39 msleep(1); 40 else if (addr == 0xfb) 41 usleep_range(50, 100); 42 else if (addr == 0xfa) 43 usleep_range(5, 10); 44 else if (addr == 0xf9) 45 usleep_range(1, 2); 46 } 47 EXPORT_SYMBOL(rtl_addr_delay); 48 49 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, 50 u32 mask, u32 data) 51 { 52 if (addr >= 0xf9 && addr <= 0xfe) { 53 rtl_addr_delay(addr); 54 } else { 55 rtl_set_rfreg(hw, rfpath, addr, mask, data); 56 udelay(1); 57 } 58 } 59 EXPORT_SYMBOL(rtl_rfreg_delay); 60 61 static void rtl_fw_do_work(const struct firmware *firmware, void *context, 62 bool is_wow) 63 { 64 struct ieee80211_hw *hw = context; 65 struct rtl_priv *rtlpriv = rtl_priv(hw); 66 int err; 67 68 rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD, 69 "Firmware callback routine entered!\n"); 70 if (!firmware) { 71 if (rtlpriv->cfg->alt_fw_name) { 72 err = request_firmware(&firmware, 73 rtlpriv->cfg->alt_fw_name, 74 rtlpriv->io.dev); 75 pr_info("Loading alternative firmware %s\n", 76 rtlpriv->cfg->alt_fw_name); 77 if (!err) 78 goto found_alt; 79 } 80 pr_err("Selected firmware is not available\n"); 81 rtlpriv->max_fw_size = 0; 82 goto exit; 83 } 84 found_alt: 85 if (firmware->size > rtlpriv->max_fw_size) { 86 pr_err("Firmware is too big!\n"); 87 release_firmware(firmware); 88 goto exit; 89 } 90 if (!is_wow) { 91 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, 92 firmware->size); 93 rtlpriv->rtlhal.fwsize = firmware->size; 94 } else { 95 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data, 96 firmware->size); 97 rtlpriv->rtlhal.wowlan_fwsize = firmware->size; 98 } 99 release_firmware(firmware); 100 101 exit: 102 complete(&rtlpriv->firmware_loading_complete); 103 } 104 105 void rtl_fw_cb(const struct firmware *firmware, void *context) 106 { 107 rtl_fw_do_work(firmware, context, false); 108 } 109 EXPORT_SYMBOL(rtl_fw_cb); 110 111 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context) 112 { 113 rtl_fw_do_work(firmware, context, true); 114 } 115 EXPORT_SYMBOL(rtl_wowlan_fw_cb); 116 117 /*mutex for start & stop is must here. */ 118 static int rtl_op_start(struct ieee80211_hw *hw) 119 { 120 int err = 0; 121 struct rtl_priv *rtlpriv = rtl_priv(hw); 122 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 123 124 if (!is_hal_stop(rtlhal)) 125 return 0; 126 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 127 return 0; 128 mutex_lock(&rtlpriv->locks.conf_mutex); 129 err = rtlpriv->intf_ops->adapter_start(hw); 130 if (!err) 131 rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer); 132 mutex_unlock(&rtlpriv->locks.conf_mutex); 133 return err; 134 } 135 136 static void rtl_op_stop(struct ieee80211_hw *hw, bool suspend) 137 { 138 struct rtl_priv *rtlpriv = rtl_priv(hw); 139 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 140 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 141 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 142 bool support_remote_wakeup = false; 143 144 if (is_hal_stop(rtlhal)) 145 return; 146 147 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN, 148 (u8 *)(&support_remote_wakeup)); 149 /* here is must, because adhoc do stop and start, 150 * but stop with RFOFF may cause something wrong, 151 * like adhoc TP 152 */ 153 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 154 rtl_ips_nic_on(hw); 155 156 mutex_lock(&rtlpriv->locks.conf_mutex); 157 /* if wowlan supported, DON'T clear connected info */ 158 if (!(support_remote_wakeup && 159 rtlhal->enter_pnp_sleep)) { 160 mac->link_state = MAC80211_NOLINK; 161 eth_zero_addr(mac->bssid); 162 mac->vendor = PEER_UNKNOWN; 163 164 /* reset sec info */ 165 rtl_cam_reset_sec_info(hw); 166 167 rtl_deinit_deferred_work(hw, false); 168 } 169 rtlpriv->intf_ops->adapter_stop(hw); 170 171 mutex_unlock(&rtlpriv->locks.conf_mutex); 172 } 173 174 static void rtl_op_tx(struct ieee80211_hw *hw, 175 struct ieee80211_tx_control *control, 176 struct sk_buff *skb) 177 { 178 struct rtl_priv *rtlpriv = rtl_priv(hw); 179 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 180 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 181 struct rtl_tcb_desc tcb_desc; 182 183 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 184 185 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 186 goto err_free; 187 188 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 189 goto err_free; 190 191 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb)) 192 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc); 193 return; 194 195 err_free: 196 dev_kfree_skb_any(skb); 197 } 198 199 static int rtl_op_add_interface(struct ieee80211_hw *hw, 200 struct ieee80211_vif *vif) 201 { 202 struct rtl_priv *rtlpriv = rtl_priv(hw); 203 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 204 int err = 0; 205 u8 retry_limit = 0x30; 206 207 if (mac->vif) { 208 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 209 "vif has been set!! mac->vif = 0x%p\n", mac->vif); 210 return -EOPNOTSUPP; 211 } 212 213 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 214 215 rtl_ips_nic_on(hw); 216 217 mutex_lock(&rtlpriv->locks.conf_mutex); 218 switch (ieee80211_vif_type_p2p(vif)) { 219 case NL80211_IFTYPE_P2P_CLIENT: 220 mac->p2p = P2P_ROLE_CLIENT; 221 fallthrough; 222 case NL80211_IFTYPE_STATION: 223 if (mac->beacon_enabled == 1) { 224 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 225 "NL80211_IFTYPE_STATION\n"); 226 mac->beacon_enabled = 0; 227 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 228 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 229 } 230 break; 231 case NL80211_IFTYPE_ADHOC: 232 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 233 "NL80211_IFTYPE_ADHOC\n"); 234 235 mac->link_state = MAC80211_LINKED; 236 rtlpriv->cfg->ops->set_bcn_reg(hw); 237 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 238 mac->basic_rates = 0xfff; 239 else 240 mac->basic_rates = 0xff0; 241 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 242 (u8 *)(&mac->basic_rates)); 243 244 retry_limit = 0x07; 245 break; 246 case NL80211_IFTYPE_P2P_GO: 247 mac->p2p = P2P_ROLE_GO; 248 fallthrough; 249 case NL80211_IFTYPE_AP: 250 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 251 "NL80211_IFTYPE_AP\n"); 252 253 mac->link_state = MAC80211_LINKED; 254 rtlpriv->cfg->ops->set_bcn_reg(hw); 255 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 256 mac->basic_rates = 0xfff; 257 else 258 mac->basic_rates = 0xff0; 259 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 260 (u8 *)(&mac->basic_rates)); 261 262 retry_limit = 0x07; 263 break; 264 case NL80211_IFTYPE_MESH_POINT: 265 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 266 "NL80211_IFTYPE_MESH_POINT\n"); 267 268 mac->link_state = MAC80211_LINKED; 269 rtlpriv->cfg->ops->set_bcn_reg(hw); 270 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 271 mac->basic_rates = 0xfff; 272 else 273 mac->basic_rates = 0xff0; 274 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 275 (u8 *)(&mac->basic_rates)); 276 277 retry_limit = 0x07; 278 break; 279 default: 280 pr_err("operation mode %d is not supported!\n", 281 vif->type); 282 err = -EOPNOTSUPP; 283 goto out; 284 } 285 286 if (mac->p2p) { 287 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 288 "p2p role %x\n", vif->type); 289 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/ 290 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 291 (u8 *)(&mac->basic_rates)); 292 } 293 mac->vif = vif; 294 mac->opmode = vif->type; 295 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 296 memcpy(mac->mac_addr, vif->addr, ETH_ALEN); 297 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); 298 299 mac->retry_long = retry_limit; 300 mac->retry_short = retry_limit; 301 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 302 (u8 *)(&retry_limit)); 303 out: 304 mutex_unlock(&rtlpriv->locks.conf_mutex); 305 return err; 306 } 307 308 static void rtl_op_remove_interface(struct ieee80211_hw *hw, 309 struct ieee80211_vif *vif) 310 { 311 struct rtl_priv *rtlpriv = rtl_priv(hw); 312 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 313 314 mutex_lock(&rtlpriv->locks.conf_mutex); 315 316 /* Free beacon resources */ 317 if (vif->type == NL80211_IFTYPE_AP || 318 vif->type == NL80211_IFTYPE_ADHOC || 319 vif->type == NL80211_IFTYPE_MESH_POINT) { 320 if (mac->beacon_enabled == 1) { 321 mac->beacon_enabled = 0; 322 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 323 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 324 } 325 } 326 327 /* 328 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as 329 *NO LINK for our hardware. 330 */ 331 mac->p2p = 0; 332 mac->vif = NULL; 333 mac->link_state = MAC80211_NOLINK; 334 eth_zero_addr(mac->bssid); 335 mac->vendor = PEER_UNKNOWN; 336 mac->opmode = NL80211_IFTYPE_UNSPECIFIED; 337 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 338 339 mutex_unlock(&rtlpriv->locks.conf_mutex); 340 } 341 342 static int rtl_op_change_interface(struct ieee80211_hw *hw, 343 struct ieee80211_vif *vif, 344 enum nl80211_iftype new_type, bool p2p) 345 { 346 struct rtl_priv *rtlpriv = rtl_priv(hw); 347 int ret; 348 349 rtl_op_remove_interface(hw, vif); 350 351 vif->type = new_type; 352 vif->p2p = p2p; 353 ret = rtl_op_add_interface(hw, vif); 354 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 355 "p2p %x\n", p2p); 356 return ret; 357 } 358 359 #ifdef CONFIG_PM 360 static u16 crc16_ccitt(u8 data, u16 crc) 361 { 362 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15; 363 u8 i; 364 u16 result; 365 366 for (i = 0; i < 8; i++) { 367 crc_bit15 = ((crc & BIT(15)) ? 1 : 0); 368 data_bit = (data & (BIT(0) << i) ? 1 : 0); 369 shift_in = crc_bit15 ^ data_bit; 370 371 result = crc << 1; 372 if (shift_in == 0) 373 result &= (~BIT(0)); 374 else 375 result |= BIT(0); 376 377 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in; 378 if (crc_bit11 == 0) 379 result &= (~BIT(12)); 380 else 381 result |= BIT(12); 382 383 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in; 384 if (crc_bit4 == 0) 385 result &= (~BIT(5)); 386 else 387 result |= BIT(5); 388 389 crc = result; 390 } 391 392 return crc; 393 } 394 395 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len) 396 { 397 u16 crc = 0xffff; 398 u32 i; 399 400 for (i = 0; i < len; i++) 401 crc = crc16_ccitt(pattern[i], crc); 402 403 crc = ~crc; 404 405 return crc; 406 } 407 408 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, 409 struct cfg80211_wowlan *wow) 410 { 411 struct rtl_priv *rtlpriv = rtl_priv(hw); 412 struct rtl_mac *mac = &rtlpriv->mac80211; 413 struct cfg80211_pkt_pattern *patterns = wow->patterns; 414 struct rtl_wow_pattern rtl_pattern; 415 const u8 *pattern_os, *mask_os; 416 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0}; 417 u8 content[MAX_WOL_PATTERN_SIZE] = {0}; 418 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 419 u8 multicast_addr1[2] = {0x33, 0x33}; 420 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e}; 421 u8 i, mask_len; 422 u16 j, len; 423 424 for (i = 0; i < wow->n_patterns; i++) { 425 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern)); 426 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE); 427 if (patterns[i].pattern_len < 0 || 428 patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { 429 rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING, 430 "Pattern[%d] is too long\n", i); 431 continue; 432 } 433 pattern_os = patterns[i].pattern; 434 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8); 435 mask_os = patterns[i].mask; 436 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 437 "pattern content\n", pattern_os, 438 patterns[i].pattern_len); 439 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 440 "mask content\n", mask_os, mask_len); 441 /* 1. unicast? multicast? or broadcast? */ 442 if (memcmp(pattern_os, broadcast_addr, 6) == 0) 443 rtl_pattern.type = BROADCAST_PATTERN; 444 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 || 445 memcmp(pattern_os, multicast_addr2, 3) == 0) 446 rtl_pattern.type = MULTICAST_PATTERN; 447 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0) 448 rtl_pattern.type = UNICAST_PATTERN; 449 else 450 rtl_pattern.type = UNKNOWN_TYPE; 451 452 /* 2. translate mask_from_os to mask_for_hw */ 453 454 /****************************************************************************** 455 * pattern from OS uses 'ethenet frame', like this: 456 457 | 6 | 6 | 2 | 20 | Variable | 4 | 458 |--------+--------+------+-----------+------------+-----| 459 | 802.3 Mac Header | IP Header | TCP Packet | FCS | 460 | DA | SA | Type | 461 462 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC, 463 464 | 24 or 30 | 6 | 2 | 20 | Variable | 4 | 465 |-------------------+--------+------+-----------+------------+-----| 466 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS | 467 | Others | Tpye | 468 469 * Therefore, we need translate mask_from_OS to mask_to_hw. 470 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0, 471 * because new mask[0~5] means 'SA', but our HW packet begins from LLC, 472 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match. 473 ******************************************************************************/ 474 475 /* Shift 6 bits */ 476 for (j = 0; j < mask_len - 1; j++) { 477 mask[j] = mask_os[j] >> 6; 478 mask[j] |= (mask_os[j + 1] & 0x3F) << 2; 479 } 480 mask[j] = (mask_os[j] >> 6) & 0x3F; 481 /* Set bit 0-5 to zero */ 482 mask[0] &= 0xC0; 483 484 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 485 "mask to hw\n", mask, mask_len); 486 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) { 487 rtl_pattern.mask[j] = mask[j * 4]; 488 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8); 489 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16); 490 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24); 491 } 492 493 /* To get the wake up pattern from the mask. 494 * We do not count first 12 bits which means 495 * DA[6] and SA[6] in the pattern to match HW design. 496 */ 497 len = 0; 498 for (j = 12; j < patterns[i].pattern_len; j++) { 499 if ((mask_os[j / 8] >> (j % 8)) & 0x01) { 500 content[len] = pattern_os[j]; 501 len++; 502 } 503 } 504 505 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 506 "pattern to hw\n", content, len); 507 /* 3. calculate crc */ 508 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len); 509 rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE, 510 "CRC_Remainder = 0x%x\n", rtl_pattern.crc); 511 512 /* 4. write crc & mask_for_hw to hw */ 513 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i); 514 } 515 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns); 516 } 517 518 static int rtl_op_suspend(struct ieee80211_hw *hw, 519 struct cfg80211_wowlan *wow) 520 { 521 struct rtl_priv *rtlpriv = rtl_priv(hw); 522 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 523 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 524 525 rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 526 if (WARN_ON(!wow)) 527 return -EINVAL; 528 529 /* to resolve s4 can not wake up*/ 530 rtlhal->last_suspend_sec = ktime_get_real_seconds(); 531 532 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns) 533 _rtl_add_wowlan_patterns(hw, wow); 534 535 rtlhal->driver_is_goingto_unload = true; 536 rtlhal->enter_pnp_sleep = true; 537 538 rtl_lps_leave(hw, true); 539 rtl_op_stop(hw, false); 540 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true); 541 return 0; 542 } 543 544 static int rtl_op_resume(struct ieee80211_hw *hw) 545 { 546 struct rtl_priv *rtlpriv = rtl_priv(hw); 547 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 548 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 549 time64_t now; 550 551 rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 552 rtlhal->driver_is_goingto_unload = false; 553 rtlhal->enter_pnp_sleep = false; 554 rtlhal->wake_from_pnp_sleep = true; 555 556 /* to resolve s4 can not wake up*/ 557 now = ktime_get_real_seconds(); 558 if (now - rtlhal->last_suspend_sec < 5) 559 return -1; 560 561 rtl_op_start(hw); 562 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false); 563 ieee80211_resume_disconnect(mac->vif); 564 rtlhal->wake_from_pnp_sleep = false; 565 return 0; 566 } 567 #endif 568 569 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) 570 { 571 struct rtl_priv *rtlpriv = rtl_priv(hw); 572 struct rtl_phy *rtlphy = &(rtlpriv->phy); 573 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 574 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 575 struct ieee80211_conf *conf = &hw->conf; 576 577 if (mac->skip_scan) 578 return 1; 579 580 mutex_lock(&rtlpriv->locks.conf_mutex); 581 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/ 582 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 583 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); 584 } 585 586 /*For IPS */ 587 if (changed & IEEE80211_CONF_CHANGE_IDLE) { 588 if (hw->conf.flags & IEEE80211_CONF_IDLE) 589 rtl_ips_nic_off(hw); 590 else 591 rtl_ips_nic_on(hw); 592 } else { 593 /* 594 *although rfoff may not cause by ips, but we will 595 *check the reason in set_rf_power_state function 596 */ 597 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 598 rtl_ips_nic_on(hw); 599 } 600 601 /*For LPS */ 602 if ((changed & IEEE80211_CONF_CHANGE_PS) && 603 rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) { 604 cancel_delayed_work(&rtlpriv->works.ps_work); 605 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 606 if (conf->flags & IEEE80211_CONF_PS) { 607 rtlpriv->psc.sw_ps_enabled = true; 608 /* sleep here is must, or we may recv the beacon and 609 * cause mac80211 into wrong ps state, this will cause 610 * power save nullfunc send fail, and further cause 611 * pkt loss, So sleep must quickly but not immediatly 612 * because that will cause nullfunc send by mac80211 613 * fail, and cause pkt loss, we have tested that 5mA 614 * is worked very well */ 615 if (!rtlpriv->psc.multi_buffered) 616 queue_delayed_work(rtlpriv->works.rtl_wq, 617 &rtlpriv->works.ps_work, 618 MSECS(5)); 619 } else { 620 rtl_swlps_rf_awake(hw); 621 rtlpriv->psc.sw_ps_enabled = false; 622 } 623 } 624 625 if (changed & IEEE80211_CONF_CHANGE_CHANNEL && 626 !rtlpriv->proximity.proxim_on) { 627 struct ieee80211_channel *channel = hw->conf.chandef.chan; 628 enum nl80211_chan_width width = hw->conf.chandef.width; 629 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; 630 u8 wide_chan = (u8) channel->hw_value; 631 632 /* channel_type is for 20&40M */ 633 if (width < NL80211_CHAN_WIDTH_80) 634 channel_type = 635 cfg80211_get_chandef_type(&hw->conf.chandef); 636 if (mac->act_scanning) 637 mac->n_channels++; 638 639 /* 640 *because we should back channel to 641 *current_network.chan in scanning, 642 *So if set_chan == current_network.chan 643 *we should set it. 644 *because mac80211 tell us wrong bw40 645 *info for cisco1253 bw20, so we modify 646 *it here based on UPPER & LOWER 647 */ 648 649 if (width >= NL80211_CHAN_WIDTH_80) { 650 if (width == NL80211_CHAN_WIDTH_80) { 651 u32 center = hw->conf.chandef.center_freq1; 652 u32 primary = 653 (u32)hw->conf.chandef.chan->center_freq; 654 655 rtlphy->current_chan_bw = 656 HT_CHANNEL_WIDTH_80; 657 mac->bw_80 = true; 658 mac->bw_40 = true; 659 if (center > primary) { 660 mac->cur_80_prime_sc = 661 PRIME_CHNL_OFFSET_LOWER; 662 if (center - primary == 10) { 663 mac->cur_40_prime_sc = 664 PRIME_CHNL_OFFSET_UPPER; 665 666 wide_chan += 2; 667 } else if (center - primary == 30) { 668 mac->cur_40_prime_sc = 669 PRIME_CHNL_OFFSET_LOWER; 670 671 wide_chan += 6; 672 } 673 } else { 674 mac->cur_80_prime_sc = 675 PRIME_CHNL_OFFSET_UPPER; 676 if (primary - center == 10) { 677 mac->cur_40_prime_sc = 678 PRIME_CHNL_OFFSET_LOWER; 679 680 wide_chan -= 2; 681 } else if (primary - center == 30) { 682 mac->cur_40_prime_sc = 683 PRIME_CHNL_OFFSET_UPPER; 684 685 wide_chan -= 6; 686 } 687 } 688 } 689 } else { 690 switch (channel_type) { 691 case NL80211_CHAN_HT20: 692 case NL80211_CHAN_NO_HT: 693 /* SC */ 694 mac->cur_40_prime_sc = 695 PRIME_CHNL_OFFSET_DONT_CARE; 696 rtlphy->current_chan_bw = 697 HT_CHANNEL_WIDTH_20; 698 mac->bw_40 = false; 699 mac->bw_80 = false; 700 break; 701 case NL80211_CHAN_HT40MINUS: 702 /* SC */ 703 mac->cur_40_prime_sc = 704 PRIME_CHNL_OFFSET_UPPER; 705 rtlphy->current_chan_bw = 706 HT_CHANNEL_WIDTH_20_40; 707 mac->bw_40 = true; 708 mac->bw_80 = false; 709 710 /*wide channel */ 711 wide_chan -= 2; 712 713 break; 714 case NL80211_CHAN_HT40PLUS: 715 /* SC */ 716 mac->cur_40_prime_sc = 717 PRIME_CHNL_OFFSET_LOWER; 718 rtlphy->current_chan_bw = 719 HT_CHANNEL_WIDTH_20_40; 720 mac->bw_40 = true; 721 mac->bw_80 = false; 722 723 /*wide channel */ 724 wide_chan += 2; 725 726 break; 727 default: 728 mac->bw_40 = false; 729 mac->bw_80 = false; 730 pr_err("switch case %#x not processed\n", 731 channel_type); 732 break; 733 } 734 } 735 736 if (wide_chan <= 0) 737 wide_chan = 1; 738 739 /* In scanning, when before we offchannel we may send a ps=1 740 * null to AP, and then we may send a ps = 0 null to AP quickly, 741 * but first null may have caused AP to put lots of packet to 742 * hw tx buffer. These packets must be tx'd before we go off 743 * channel so we must delay more time to let AP flush these 744 * packets before going offchannel, or dis-association or 745 * delete BA will be caused by AP 746 */ 747 if (rtlpriv->mac80211.offchan_delay) { 748 rtlpriv->mac80211.offchan_delay = false; 749 mdelay(50); 750 } 751 752 rtlphy->current_channel = wide_chan; 753 754 rtlpriv->cfg->ops->switch_channel(hw); 755 rtlpriv->cfg->ops->set_channel_access(hw); 756 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type); 757 } 758 759 mutex_unlock(&rtlpriv->locks.conf_mutex); 760 761 return 0; 762 } 763 764 static void rtl_op_configure_filter(struct ieee80211_hw *hw, 765 unsigned int changed_flags, 766 unsigned int *new_flags, u64 multicast) 767 { 768 bool update_rcr = false; 769 struct rtl_priv *rtlpriv = rtl_priv(hw); 770 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 771 772 *new_flags &= RTL_SUPPORTED_FILTERS; 773 if (0 == changed_flags) 774 return; 775 776 /*TODO: we disable broadcast now, so enable here */ 777 if (changed_flags & FIF_ALLMULTI) { 778 if (*new_flags & FIF_ALLMULTI) { 779 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | 780 rtlpriv->cfg->maps[MAC_RCR_AB]; 781 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 782 "Enable receive multicast frame\n"); 783 } else { 784 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | 785 rtlpriv->cfg->maps[MAC_RCR_AB]); 786 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 787 "Disable receive multicast frame\n"); 788 } 789 update_rcr = true; 790 } 791 792 if (changed_flags & FIF_FCSFAIL) { 793 if (*new_flags & FIF_FCSFAIL) { 794 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 795 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 796 "Enable receive FCS error frame\n"); 797 } else { 798 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 799 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 800 "Disable receive FCS error frame\n"); 801 } 802 if (!update_rcr) 803 update_rcr = true; 804 } 805 806 /* if ssid not set to hw don't check bssid 807 * here just used for linked scanning, & linked 808 * and nolink check bssid is set in set network_type 809 */ 810 if (changed_flags & FIF_BCN_PRBRESP_PROMISC && 811 mac->link_state >= MAC80211_LINKED) { 812 if (mac->opmode != NL80211_IFTYPE_AP && 813 mac->opmode != NL80211_IFTYPE_MESH_POINT) { 814 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 815 rtlpriv->cfg->ops->set_chk_bssid(hw, false); 816 else 817 rtlpriv->cfg->ops->set_chk_bssid(hw, true); 818 if (update_rcr) 819 update_rcr = false; 820 } 821 } 822 823 if (changed_flags & FIF_CONTROL) { 824 if (*new_flags & FIF_CONTROL) { 825 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; 826 827 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 828 "Enable receive control frame.\n"); 829 } else { 830 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; 831 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 832 "Disable receive control frame.\n"); 833 } 834 if (!update_rcr) 835 update_rcr = true; 836 } 837 838 if (changed_flags & FIF_OTHER_BSS) { 839 if (*new_flags & FIF_OTHER_BSS) { 840 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; 841 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 842 "Enable receive other BSS's frame.\n"); 843 } else { 844 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; 845 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 846 "Disable receive other BSS's frame.\n"); 847 } 848 if (!update_rcr) 849 update_rcr = true; 850 } 851 852 if (update_rcr) 853 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, 854 (u8 *)(&mac->rx_conf)); 855 } 856 857 static int rtl_op_sta_add(struct ieee80211_hw *hw, 858 struct ieee80211_vif *vif, 859 struct ieee80211_sta *sta) 860 { 861 struct rtl_priv *rtlpriv = rtl_priv(hw); 862 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 863 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 864 struct rtl_sta_info *sta_entry; 865 866 if (sta) { 867 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 868 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 869 list_add_tail(&sta_entry->list, &rtlpriv->entry_list); 870 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 871 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 872 sta_entry->wireless_mode = WIRELESS_MODE_G; 873 if (sta->deflink.supp_rates[0] <= 0xf) 874 sta_entry->wireless_mode = WIRELESS_MODE_B; 875 if (sta->deflink.ht_cap.ht_supported) 876 sta_entry->wireless_mode = WIRELESS_MODE_N_24G; 877 878 if (vif->type == NL80211_IFTYPE_ADHOC) 879 sta_entry->wireless_mode = WIRELESS_MODE_G; 880 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 881 sta_entry->wireless_mode = WIRELESS_MODE_A; 882 if (sta->deflink.ht_cap.ht_supported) 883 sta_entry->wireless_mode = WIRELESS_MODE_N_5G; 884 if (sta->deflink.vht_cap.vht_supported) 885 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G; 886 887 if (vif->type == NL80211_IFTYPE_ADHOC) 888 sta_entry->wireless_mode = WIRELESS_MODE_A; 889 } 890 /*disable cck rate for p2p*/ 891 if (mac->p2p) 892 sta->deflink.supp_rates[0] &= 0xfffffff0; 893 894 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); 895 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 896 "Add sta addr is %pM\n", sta->addr); 897 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); 898 } 899 900 return 0; 901 } 902 903 static int rtl_op_sta_remove(struct ieee80211_hw *hw, 904 struct ieee80211_vif *vif, 905 struct ieee80211_sta *sta) 906 { 907 struct rtl_priv *rtlpriv = rtl_priv(hw); 908 struct rtl_sta_info *sta_entry; 909 910 if (sta) { 911 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 912 "Remove sta addr is %pM\n", sta->addr); 913 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 914 sta_entry->wireless_mode = 0; 915 sta_entry->ratr_index = 0; 916 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 917 list_del(&sta_entry->list); 918 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 919 } 920 return 0; 921 } 922 923 static int _rtl_get_hal_qnum(u16 queue) 924 { 925 int qnum; 926 927 switch (queue) { 928 case 0: 929 qnum = AC3_VO; 930 break; 931 case 1: 932 qnum = AC2_VI; 933 break; 934 case 2: 935 qnum = AC0_BE; 936 break; 937 case 3: 938 qnum = AC1_BK; 939 break; 940 default: 941 qnum = AC0_BE; 942 break; 943 } 944 return qnum; 945 } 946 947 /* 948 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 949 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 950 */ 951 static int rtl_op_conf_tx(struct ieee80211_hw *hw, 952 struct ieee80211_vif *vif, 953 unsigned int link_id, u16 queue, 954 const struct ieee80211_tx_queue_params *param) 955 { 956 struct rtl_priv *rtlpriv = rtl_priv(hw); 957 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 958 int aci; 959 960 if (queue >= AC_MAX) { 961 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 962 "queue number %d is incorrect!\n", queue); 963 return -EINVAL; 964 } 965 966 aci = _rtl_get_hal_qnum(queue); 967 mac->ac[aci].aifs = param->aifs; 968 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); 969 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); 970 mac->ac[aci].tx_op = cpu_to_le16(param->txop); 971 memcpy(&mac->edca_param[aci], param, sizeof(*param)); 972 rtlpriv->cfg->ops->set_qos(hw, aci); 973 return 0; 974 } 975 976 static void send_beacon_frame(struct ieee80211_hw *hw, 977 struct ieee80211_vif *vif) 978 { 979 struct rtl_priv *rtlpriv = rtl_priv(hw); 980 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0); 981 struct rtl_tcb_desc tcb_desc; 982 983 if (skb) { 984 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 985 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); 986 } 987 } 988 989 void rtl_update_beacon_work_callback(struct work_struct *work) 990 { 991 struct rtl_works *rtlworks = 992 container_of(work, struct rtl_works, update_beacon_work); 993 struct ieee80211_hw *hw = rtlworks->hw; 994 struct rtl_priv *rtlpriv = rtl_priv(hw); 995 struct ieee80211_vif *vif = rtlpriv->mac80211.vif; 996 997 if (!vif) { 998 WARN_ONCE(true, "no vif to update beacon\n"); 999 return; 1000 } 1001 1002 mutex_lock(&rtlpriv->locks.conf_mutex); 1003 send_beacon_frame(hw, vif); 1004 mutex_unlock(&rtlpriv->locks.conf_mutex); 1005 } 1006 EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback); 1007 1008 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, 1009 struct ieee80211_vif *vif, 1010 struct ieee80211_bss_conf *bss_conf, 1011 u64 changed) 1012 { 1013 struct rtl_priv *rtlpriv = rtl_priv(hw); 1014 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 1015 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1016 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1017 1018 mutex_lock(&rtlpriv->locks.conf_mutex); 1019 if (vif->type == NL80211_IFTYPE_ADHOC || 1020 vif->type == NL80211_IFTYPE_AP || 1021 vif->type == NL80211_IFTYPE_MESH_POINT) { 1022 if (changed & BSS_CHANGED_BEACON || 1023 (changed & BSS_CHANGED_BEACON_ENABLED && 1024 bss_conf->enable_beacon)) { 1025 if (mac->beacon_enabled == 0) { 1026 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1027 "BSS_CHANGED_BEACON_ENABLED\n"); 1028 1029 /*start hw beacon interrupt. */ 1030 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ 1031 mac->beacon_enabled = 1; 1032 rtlpriv->cfg->ops->update_interrupt_mask(hw, 1033 rtlpriv->cfg->maps 1034 [RTL_IBSS_INT_MASKS], 0); 1035 1036 if (rtlpriv->cfg->ops->linked_set_reg) 1037 rtlpriv->cfg->ops->linked_set_reg(hw); 1038 send_beacon_frame(hw, vif); 1039 } 1040 } 1041 if ((changed & BSS_CHANGED_BEACON_ENABLED && 1042 !bss_conf->enable_beacon)) { 1043 if (mac->beacon_enabled == 1) { 1044 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1045 "ADHOC DISABLE BEACON\n"); 1046 1047 mac->beacon_enabled = 0; 1048 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 1049 rtlpriv->cfg->maps 1050 [RTL_IBSS_INT_MASKS]); 1051 } 1052 } 1053 if (changed & BSS_CHANGED_BEACON_INT) { 1054 rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE, 1055 "BSS_CHANGED_BEACON_INT\n"); 1056 mac->beacon_interval = bss_conf->beacon_int; 1057 rtlpriv->cfg->ops->set_bcn_intv(hw); 1058 } 1059 } 1060 1061 /*TODO: reference to enum ieee80211_bss_change */ 1062 if (changed & BSS_CHANGED_ASSOC) { 1063 u8 mstatus; 1064 1065 if (vif->cfg.assoc) { 1066 struct ieee80211_sta *sta = NULL; 1067 u8 keep_alive = 10; 1068 1069 mstatus = RT_MEDIA_CONNECT; 1070 /* we should reset all sec info & cam 1071 * before set cam after linked, we should not 1072 * reset in disassoc, that will cause tkip->wep 1073 * fail because some flag will be wrong */ 1074 /* reset sec info */ 1075 rtl_cam_reset_sec_info(hw); 1076 /* reset cam to fix wep fail issue 1077 * when change from wpa to wep */ 1078 rtl_cam_reset_all_entry(hw); 1079 1080 mac->link_state = MAC80211_LINKED; 1081 mac->cnt_after_linked = 0; 1082 mac->assoc_id = vif->cfg.aid; 1083 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1084 1085 if (rtlpriv->cfg->ops->linked_set_reg) 1086 rtlpriv->cfg->ops->linked_set_reg(hw); 1087 1088 rcu_read_lock(); 1089 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1090 if (!sta) { 1091 rcu_read_unlock(); 1092 goto out; 1093 } 1094 rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, 1095 "send PS STATIC frame\n"); 1096 if (rtlpriv->dm.supp_phymode_switch) { 1097 if (sta->deflink.ht_cap.ht_supported) 1098 rtl_send_smps_action(hw, sta, 1099 IEEE80211_SMPS_STATIC); 1100 } 1101 1102 if (rtlhal->current_bandtype == BAND_ON_5G) { 1103 mac->mode = WIRELESS_MODE_A; 1104 } else { 1105 if (sta->deflink.supp_rates[0] <= 0xf) 1106 mac->mode = WIRELESS_MODE_B; 1107 else 1108 mac->mode = WIRELESS_MODE_G; 1109 } 1110 1111 if (sta->deflink.ht_cap.ht_supported) { 1112 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1113 mac->mode = WIRELESS_MODE_N_24G; 1114 else 1115 mac->mode = WIRELESS_MODE_N_5G; 1116 } 1117 1118 if (sta->deflink.vht_cap.vht_supported) { 1119 if (rtlhal->current_bandtype == BAND_ON_5G) 1120 mac->mode = WIRELESS_MODE_AC_5G; 1121 else 1122 mac->mode = WIRELESS_MODE_AC_24G; 1123 } 1124 1125 if (vif->type == NL80211_IFTYPE_STATION) 1126 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, 1127 true); 1128 rcu_read_unlock(); 1129 1130 /* to avoid AP Disassociation caused by inactivity */ 1131 rtlpriv->cfg->ops->set_hw_reg(hw, 1132 HW_VAR_KEEP_ALIVE, 1133 (u8 *)(&keep_alive)); 1134 1135 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1136 "BSS_CHANGED_ASSOC\n"); 1137 } else { 1138 struct cfg80211_bss *bss = NULL; 1139 1140 mstatus = RT_MEDIA_DISCONNECT; 1141 1142 if (mac->link_state == MAC80211_LINKED) 1143 rtl_lps_leave(hw, true); 1144 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) 1145 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); 1146 mac->link_state = MAC80211_NOLINK; 1147 1148 bss = cfg80211_get_bss(hw->wiphy, NULL, 1149 (u8 *)mac->bssid, NULL, 0, 1150 IEEE80211_BSS_TYPE_ESS, 1151 IEEE80211_PRIVACY_OFF); 1152 1153 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1154 "bssid = %pMF\n", mac->bssid); 1155 1156 if (bss) { 1157 cfg80211_unlink_bss(hw->wiphy, bss); 1158 cfg80211_put_bss(hw->wiphy, bss); 1159 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1160 "cfg80211_unlink !!\n"); 1161 } 1162 1163 eth_zero_addr(mac->bssid); 1164 mac->vendor = PEER_UNKNOWN; 1165 mac->mode = 0; 1166 1167 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1168 "BSS_CHANGED_UN_ASSOC\n"); 1169 } 1170 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 1171 /* For FW LPS: 1172 * To tell firmware we have connected or disconnected 1173 */ 1174 rtlpriv->cfg->ops->set_hw_reg(hw, 1175 HW_VAR_H2C_FW_JOINBSSRPT, 1176 (u8 *)(&mstatus)); 1177 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? 1178 true : false; 1179 1180 if (rtlpriv->cfg->ops->get_btc_status()) 1181 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( 1182 rtlpriv, mstatus); 1183 } 1184 1185 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 1186 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1187 "BSS_CHANGED_ERP_CTS_PROT\n"); 1188 mac->use_cts_protect = bss_conf->use_cts_prot; 1189 } 1190 1191 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 1192 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 1193 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", 1194 bss_conf->use_short_preamble); 1195 1196 mac->short_preamble = bss_conf->use_short_preamble; 1197 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, 1198 (u8 *)(&mac->short_preamble)); 1199 } 1200 1201 if (changed & BSS_CHANGED_ERP_SLOT) { 1202 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1203 "BSS_CHANGED_ERP_SLOT\n"); 1204 1205 if (bss_conf->use_short_slot) 1206 mac->slot_time = RTL_SLOT_TIME_9; 1207 else 1208 mac->slot_time = RTL_SLOT_TIME_20; 1209 1210 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, 1211 (u8 *)(&mac->slot_time)); 1212 } 1213 1214 if (changed & BSS_CHANGED_HT) { 1215 struct ieee80211_sta *sta = NULL; 1216 1217 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1218 "BSS_CHANGED_HT\n"); 1219 1220 rcu_read_lock(); 1221 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1222 if (sta) { 1223 if (sta->deflink.ht_cap.ampdu_density > 1224 mac->current_ampdu_density) 1225 mac->current_ampdu_density = 1226 sta->deflink.ht_cap.ampdu_density; 1227 if (sta->deflink.ht_cap.ampdu_factor < 1228 mac->current_ampdu_factor) 1229 mac->current_ampdu_factor = 1230 sta->deflink.ht_cap.ampdu_factor; 1231 } 1232 rcu_read_unlock(); 1233 1234 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, 1235 (u8 *)(&mac->max_mss_density)); 1236 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, 1237 &mac->current_ampdu_factor); 1238 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, 1239 &mac->current_ampdu_density); 1240 } 1241 1242 if (changed & BSS_CHANGED_BSSID) { 1243 u32 basic_rates; 1244 struct ieee80211_sta *sta = NULL; 1245 1246 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, 1247 (u8 *)bss_conf->bssid); 1248 1249 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1250 "bssid: %pM\n", bss_conf->bssid); 1251 1252 mac->vendor = PEER_UNKNOWN; 1253 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1254 1255 rcu_read_lock(); 1256 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1257 if (!sta) { 1258 rcu_read_unlock(); 1259 goto out; 1260 } 1261 1262 if (rtlhal->current_bandtype == BAND_ON_5G) { 1263 mac->mode = WIRELESS_MODE_A; 1264 } else { 1265 if (sta->deflink.supp_rates[0] <= 0xf) 1266 mac->mode = WIRELESS_MODE_B; 1267 else 1268 mac->mode = WIRELESS_MODE_G; 1269 } 1270 1271 if (sta->deflink.ht_cap.ht_supported) { 1272 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1273 mac->mode = WIRELESS_MODE_N_24G; 1274 else 1275 mac->mode = WIRELESS_MODE_N_5G; 1276 } 1277 1278 if (sta->deflink.vht_cap.vht_supported) { 1279 if (rtlhal->current_bandtype == BAND_ON_5G) 1280 mac->mode = WIRELESS_MODE_AC_5G; 1281 else 1282 mac->mode = WIRELESS_MODE_AC_24G; 1283 } 1284 1285 /* just station need it, because ibss & ap mode will 1286 * set in sta_add, and will be NULL here */ 1287 if (vif->type == NL80211_IFTYPE_STATION) { 1288 struct rtl_sta_info *sta_entry; 1289 1290 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1291 sta_entry->wireless_mode = mac->mode; 1292 } 1293 1294 if (sta->deflink.ht_cap.ht_supported) { 1295 mac->ht_enable = true; 1296 1297 /* 1298 * for cisco 1252 bw20 it's wrong 1299 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { 1300 * mac->bw_40 = true; 1301 * } 1302 * */ 1303 } 1304 1305 if (sta->deflink.vht_cap.vht_supported) 1306 mac->vht_enable = true; 1307 1308 if (changed & BSS_CHANGED_BASIC_RATES) { 1309 /* for 5G must << RATE_6M_INDEX = 4, 1310 * because 5G have no cck rate*/ 1311 if (rtlhal->current_bandtype == BAND_ON_5G) 1312 basic_rates = sta->deflink.supp_rates[1] << 4; 1313 else 1314 basic_rates = sta->deflink.supp_rates[0]; 1315 1316 mac->basic_rates = basic_rates; 1317 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 1318 (u8 *)(&basic_rates)); 1319 } 1320 rcu_read_unlock(); 1321 } 1322 out: 1323 mutex_unlock(&rtlpriv->locks.conf_mutex); 1324 } 1325 1326 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1327 { 1328 struct rtl_priv *rtlpriv = rtl_priv(hw); 1329 u64 tsf; 1330 1331 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); 1332 return tsf; 1333 } 1334 1335 static void rtl_op_set_tsf(struct ieee80211_hw *hw, 1336 struct ieee80211_vif *vif, u64 tsf) 1337 { 1338 struct rtl_priv *rtlpriv = rtl_priv(hw); 1339 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1340 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 1341 1342 mac->tsf = tsf; 1343 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); 1344 } 1345 1346 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1347 { 1348 struct rtl_priv *rtlpriv = rtl_priv(hw); 1349 u8 tmp = 0; 1350 1351 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); 1352 } 1353 1354 static void rtl_op_sta_notify(struct ieee80211_hw *hw, 1355 struct ieee80211_vif *vif, 1356 enum sta_notify_cmd cmd, 1357 struct ieee80211_sta *sta) 1358 { 1359 switch (cmd) { 1360 case STA_NOTIFY_SLEEP: 1361 break; 1362 case STA_NOTIFY_AWAKE: 1363 break; 1364 default: 1365 break; 1366 } 1367 } 1368 1369 static int rtl_op_ampdu_action(struct ieee80211_hw *hw, 1370 struct ieee80211_vif *vif, 1371 struct ieee80211_ampdu_params *params) 1372 { 1373 struct rtl_priv *rtlpriv = rtl_priv(hw); 1374 struct ieee80211_sta *sta = params->sta; 1375 enum ieee80211_ampdu_mlme_action action = params->action; 1376 u16 tid = params->tid; 1377 u16 *ssn = ¶ms->ssn; 1378 1379 switch (action) { 1380 case IEEE80211_AMPDU_TX_START: 1381 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1382 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); 1383 return rtl_tx_agg_start(hw, vif, sta, tid, ssn); 1384 case IEEE80211_AMPDU_TX_STOP_CONT: 1385 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1386 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1387 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1388 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); 1389 return rtl_tx_agg_stop(hw, vif, sta, tid); 1390 case IEEE80211_AMPDU_TX_OPERATIONAL: 1391 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1392 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); 1393 rtl_tx_agg_oper(hw, sta, tid); 1394 break; 1395 case IEEE80211_AMPDU_RX_START: 1396 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1397 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); 1398 return rtl_rx_agg_start(hw, sta, tid); 1399 case IEEE80211_AMPDU_RX_STOP: 1400 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1401 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); 1402 return rtl_rx_agg_stop(hw, sta, tid); 1403 default: 1404 pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); 1405 return -EOPNOTSUPP; 1406 } 1407 return 0; 1408 } 1409 1410 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, 1411 struct ieee80211_vif *vif, 1412 const u8 *mac_addr) 1413 { 1414 struct rtl_priv *rtlpriv = rtl_priv(hw); 1415 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1416 1417 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1418 mac->act_scanning = true; 1419 if (rtlpriv->link_info.higher_busytraffic) { 1420 mac->skip_scan = true; 1421 return; 1422 } 1423 1424 if (rtlpriv->cfg->ops->get_btc_status()) 1425 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); 1426 else if (rtlpriv->btcoexist.btc_ops) 1427 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1428 1); 1429 1430 if (mac->link_state == MAC80211_LINKED) { 1431 rtl_lps_leave(hw, true); 1432 mac->link_state = MAC80211_LINKED_SCANNING; 1433 } else { 1434 rtl_ips_nic_on(hw); 1435 } 1436 1437 /* Dul mac */ 1438 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1439 1440 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); 1441 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); 1442 } 1443 1444 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, 1445 struct ieee80211_vif *vif) 1446 { 1447 struct rtl_priv *rtlpriv = rtl_priv(hw); 1448 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1449 1450 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1451 mac->act_scanning = false; 1452 mac->skip_scan = false; 1453 1454 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1455 1456 if (rtlpriv->link_info.higher_busytraffic) 1457 return; 1458 1459 /* p2p will use 1/6/11 to scan */ 1460 if (mac->n_channels == 3) 1461 mac->p2p_in_use = true; 1462 else 1463 mac->p2p_in_use = false; 1464 mac->n_channels = 0; 1465 /* Dul mac */ 1466 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1467 1468 if (mac->link_state == MAC80211_LINKED_SCANNING) { 1469 mac->link_state = MAC80211_LINKED; 1470 if (mac->opmode == NL80211_IFTYPE_STATION) { 1471 /* fix fwlps issue */ 1472 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 1473 } 1474 } 1475 1476 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); 1477 if (rtlpriv->cfg->ops->get_btc_status()) 1478 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); 1479 else if (rtlpriv->btcoexist.btc_ops) 1480 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1481 0); 1482 } 1483 1484 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1485 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1486 struct ieee80211_key_conf *key) 1487 { 1488 struct rtl_priv *rtlpriv = rtl_priv(hw); 1489 u8 key_type = NO_ENCRYPTION; 1490 u8 key_idx; 1491 bool group_key = false; 1492 bool wep_only = false; 1493 int err = 0; 1494 u8 mac_addr[ETH_ALEN]; 1495 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1496 1497 rtlpriv->btcoexist.btc_info.in_4way = false; 1498 1499 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { 1500 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 1501 "not open hw encryption\n"); 1502 return -ENOSPC; /*User disabled HW-crypto */ 1503 } 1504 /* To support IBSS, use sw-crypto for GTK */ 1505 if ((vif->type == NL80211_IFTYPE_ADHOC || 1506 vif->type == NL80211_IFTYPE_MESH_POINT) && 1507 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 1508 return -ENOSPC; 1509 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1510 "%s hardware based encryption for keyidx: %d, mac: %pM\n", 1511 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, 1512 sta ? sta->addr : bcast_addr); 1513 rtlpriv->sec.being_setkey = true; 1514 rtl_ips_nic_on(hw); 1515 mutex_lock(&rtlpriv->locks.conf_mutex); 1516 /* <1> get encryption alg */ 1517 1518 switch (key->cipher) { 1519 case WLAN_CIPHER_SUITE_WEP40: 1520 key_type = WEP40_ENCRYPTION; 1521 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); 1522 break; 1523 case WLAN_CIPHER_SUITE_WEP104: 1524 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); 1525 key_type = WEP104_ENCRYPTION; 1526 break; 1527 case WLAN_CIPHER_SUITE_TKIP: 1528 key_type = TKIP_ENCRYPTION; 1529 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); 1530 break; 1531 case WLAN_CIPHER_SUITE_CCMP: 1532 key_type = AESCCMP_ENCRYPTION; 1533 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); 1534 break; 1535 case WLAN_CIPHER_SUITE_AES_CMAC: 1536 /* HW don't support CMAC encryption, 1537 * use software CMAC encryption 1538 */ 1539 key_type = AESCMAC_ENCRYPTION; 1540 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); 1541 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1542 "HW don't support CMAC encryption, use software CMAC encryption\n"); 1543 err = -EOPNOTSUPP; 1544 goto out_unlock; 1545 default: 1546 pr_err("alg_err:%x!!!!:\n", key->cipher); 1547 goto out_unlock; 1548 } 1549 if (key_type == WEP40_ENCRYPTION || 1550 key_type == WEP104_ENCRYPTION || 1551 vif->type == NL80211_IFTYPE_ADHOC) 1552 rtlpriv->sec.use_defaultkey = true; 1553 1554 /* <2> get key_idx */ 1555 key_idx = (u8) (key->keyidx); 1556 if (key_idx > 3) 1557 goto out_unlock; 1558 /* <3> if pairwise key enable_hw_sec */ 1559 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); 1560 1561 /* wep always be group key, but there are two conditions: 1562 * 1) wep only: is just for wep enc, in this condition 1563 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION 1564 * will be true & enable_hw_sec will be set when wep 1565 * ke setting. 1566 * 2) wep(group) + AES(pairwise): some AP like cisco 1567 * may use it, in this condition enable_hw_sec will not 1568 * be set when wep key setting */ 1569 /* we must reset sec_info after lingked before set key, 1570 * or some flag will be wrong*/ 1571 if (vif->type == NL80211_IFTYPE_AP || 1572 vif->type == NL80211_IFTYPE_MESH_POINT) { 1573 if (!group_key || key_type == WEP40_ENCRYPTION || 1574 key_type == WEP104_ENCRYPTION) { 1575 if (group_key) 1576 wep_only = true; 1577 rtlpriv->cfg->ops->enable_hw_sec(hw); 1578 } 1579 } else { 1580 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || 1581 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { 1582 if (rtlpriv->sec.pairwise_enc_algorithm == 1583 NO_ENCRYPTION && 1584 (key_type == WEP40_ENCRYPTION || 1585 key_type == WEP104_ENCRYPTION)) 1586 wep_only = true; 1587 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1588 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1589 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", 1590 key_type); 1591 rtlpriv->cfg->ops->enable_hw_sec(hw); 1592 } 1593 } 1594 /* <4> set key based on cmd */ 1595 switch (cmd) { 1596 case SET_KEY: 1597 if (wep_only) { 1598 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1599 "set WEP(group/pairwise) key\n"); 1600 /* Pairwise key with an assigned MAC address. */ 1601 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1602 rtlpriv->sec.group_enc_algorithm = key_type; 1603 /*set local buf about wep key. */ 1604 memcpy(rtlpriv->sec.key_buf[key_idx], 1605 key->key, key->keylen); 1606 rtlpriv->sec.key_len[key_idx] = key->keylen; 1607 eth_zero_addr(mac_addr); 1608 } else if (group_key) { /* group key */ 1609 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1610 "set group key\n"); 1611 /* group key */ 1612 rtlpriv->sec.group_enc_algorithm = key_type; 1613 /*set local buf about group key. */ 1614 memcpy(rtlpriv->sec.key_buf[key_idx], 1615 key->key, key->keylen); 1616 rtlpriv->sec.key_len[key_idx] = key->keylen; 1617 eth_broadcast_addr(mac_addr); 1618 } else { /* pairwise key */ 1619 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1620 "set pairwise key\n"); 1621 if (!sta) { 1622 WARN_ONCE(true, 1623 "rtlwifi: pairwise key without mac_addr\n"); 1624 1625 err = -EOPNOTSUPP; 1626 goto out_unlock; 1627 } 1628 /* Pairwise key with an assigned MAC address. */ 1629 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1630 /*set local buf about pairwise key. */ 1631 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], 1632 key->key, key->keylen); 1633 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; 1634 rtlpriv->sec.pairwise_key = 1635 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; 1636 memcpy(mac_addr, sta->addr, ETH_ALEN); 1637 } 1638 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, 1639 group_key, key_type, wep_only, 1640 false); 1641 /* <5> tell mac80211 do something: */ 1642 /*must use sw generate IV, or can not work !!!!. */ 1643 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 1644 key->hw_key_idx = key_idx; 1645 if (key_type == TKIP_ENCRYPTION) 1646 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 1647 /*use software CCMP encryption for management frames (MFP) */ 1648 if (key_type == AESCCMP_ENCRYPTION) 1649 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 1650 break; 1651 case DISABLE_KEY: 1652 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1653 "disable key delete one entry\n"); 1654 /*set local buf about wep key. */ 1655 if (vif->type == NL80211_IFTYPE_AP || 1656 vif->type == NL80211_IFTYPE_MESH_POINT) { 1657 if (sta) 1658 rtl_cam_del_entry(hw, sta->addr); 1659 } 1660 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); 1661 rtlpriv->sec.key_len[key_idx] = 0; 1662 eth_zero_addr(mac_addr); 1663 /* 1664 *mac80211 will delete entries one by one, 1665 *so don't use rtl_cam_reset_all_entry 1666 *or clear all entry here. 1667 */ 1668 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ 1669 1670 rtl_cam_delete_one_entry(hw, mac_addr, key_idx); 1671 break; 1672 default: 1673 pr_err("cmd_err:%x!!!!:\n", cmd); 1674 } 1675 out_unlock: 1676 mutex_unlock(&rtlpriv->locks.conf_mutex); 1677 rtlpriv->sec.being_setkey = false; 1678 return err; 1679 } 1680 1681 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) 1682 { 1683 struct rtl_priv *rtlpriv = rtl_priv(hw); 1684 1685 bool radio_state; 1686 bool blocked; 1687 u8 valid = 0; 1688 1689 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1690 return; 1691 1692 mutex_lock(&rtlpriv->locks.conf_mutex); 1693 1694 /*if Radio On return true here */ 1695 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 1696 1697 if (valid) { 1698 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { 1699 rtlpriv->rfkill.rfkill_state = radio_state; 1700 1701 rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, 1702 "wireless radio switch turned %s\n", 1703 radio_state ? "on" : "off"); 1704 1705 blocked = !rtlpriv->rfkill.rfkill_state; 1706 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1707 } 1708 } 1709 1710 mutex_unlock(&rtlpriv->locks.conf_mutex); 1711 } 1712 1713 /* this function is called by mac80211 to flush tx buffer 1714 * before switch channle or power save, or tx buffer packet 1715 * maybe send after offchannel or rf sleep, this may cause 1716 * dis-association by AP */ 1717 static void rtl_op_flush(struct ieee80211_hw *hw, 1718 struct ieee80211_vif *vif, 1719 u32 queues, 1720 bool drop) 1721 { 1722 struct rtl_priv *rtlpriv = rtl_priv(hw); 1723 1724 if (rtlpriv->intf_ops->flush) 1725 rtlpriv->intf_ops->flush(hw, queues, drop); 1726 } 1727 1728 static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 1729 bool set) 1730 { 1731 struct rtl_priv *rtlpriv = rtl_priv(hw); 1732 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1733 1734 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU) 1735 schedule_work(&rtlpriv->works.update_beacon_work); 1736 1737 return 0; 1738 } 1739 1740 /* Description: 1741 * This routine deals with the Power Configuration CMD 1742 * parsing for RTL8723/RTL8188E Series IC. 1743 * Assumption: 1744 * We should follow specific format that was released from HW SD. 1745 */ 1746 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, 1747 u8 faversion, u8 interface_type, 1748 struct wlan_pwr_cfg pwrcfgcmd[]) 1749 { 1750 struct wlan_pwr_cfg cfg_cmd; 1751 bool polling_bit = false; 1752 u32 ary_idx = 0; 1753 u8 value = 0; 1754 u32 offset = 0; 1755 u32 polling_count = 0; 1756 u32 max_polling_cnt = 5000; 1757 1758 do { 1759 cfg_cmd = pwrcfgcmd[ary_idx]; 1760 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1761 "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", 1762 __func__, 1763 GET_PWR_CFG_OFFSET(cfg_cmd), 1764 GET_PWR_CFG_CUT_MASK(cfg_cmd), 1765 GET_PWR_CFG_FAB_MASK(cfg_cmd), 1766 GET_PWR_CFG_INTF_MASK(cfg_cmd), 1767 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), 1768 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); 1769 1770 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && 1771 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && 1772 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { 1773 switch (GET_PWR_CFG_CMD(cfg_cmd)) { 1774 case PWR_CMD_READ: 1775 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1776 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); 1777 break; 1778 case PWR_CMD_WRITE: 1779 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1780 "%s(): PWR_CMD_WRITE\n", __func__); 1781 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1782 1783 /*Read the value from system register*/ 1784 value = rtl_read_byte(rtlpriv, offset); 1785 value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); 1786 value |= (GET_PWR_CFG_VALUE(cfg_cmd) & 1787 GET_PWR_CFG_MASK(cfg_cmd)); 1788 1789 /*Write the value back to system register*/ 1790 rtl_write_byte(rtlpriv, offset, value); 1791 break; 1792 case PWR_CMD_POLLING: 1793 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1794 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); 1795 polling_bit = false; 1796 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1797 1798 do { 1799 value = rtl_read_byte(rtlpriv, offset); 1800 1801 value &= GET_PWR_CFG_MASK(cfg_cmd); 1802 if (value == 1803 (GET_PWR_CFG_VALUE(cfg_cmd) & 1804 GET_PWR_CFG_MASK(cfg_cmd))) 1805 polling_bit = true; 1806 else 1807 udelay(10); 1808 1809 if (polling_count++ > max_polling_cnt) 1810 return false; 1811 } while (!polling_bit); 1812 break; 1813 case PWR_CMD_DELAY: 1814 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1815 "%s: PWR_CMD_DELAY\n", __func__); 1816 if (GET_PWR_CFG_VALUE(cfg_cmd) == 1817 PWRSEQ_DELAY_US) 1818 udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1819 else 1820 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1821 break; 1822 case PWR_CMD_END: 1823 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1824 "%s: PWR_CMD_END\n", __func__); 1825 return true; 1826 default: 1827 WARN_ONCE(true, 1828 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); 1829 break; 1830 } 1831 } 1832 ary_idx++; 1833 } while (1); 1834 1835 return true; 1836 } 1837 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); 1838 1839 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 1840 { 1841 struct rtl_priv *rtlpriv = rtl_priv(hw); 1842 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 1843 struct rtl8192_tx_ring *ring; 1844 struct rtl_tx_desc *pdesc; 1845 unsigned long flags; 1846 struct sk_buff *pskb = NULL; 1847 1848 ring = &rtlpci->tx_ring[BEACON_QUEUE]; 1849 1850 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); 1851 pskb = __skb_dequeue(&ring->queue); 1852 if (pskb) 1853 dev_kfree_skb_irq(pskb); 1854 1855 /*this is wrong, fill_tx_cmddesc needs update*/ 1856 pdesc = &ring->desc[0]; 1857 1858 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, skb); 1859 1860 __skb_queue_tail(&ring->queue, skb); 1861 1862 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); 1863 1864 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); 1865 1866 return true; 1867 } 1868 EXPORT_SYMBOL(rtl_cmd_send_packet); 1869 1870 void rtl_init_sw_leds(struct ieee80211_hw *hw) 1871 { 1872 struct rtl_priv *rtlpriv = rtl_priv(hw); 1873 1874 rtlpriv->ledctl.sw_led0 = LED_PIN_LED0; 1875 rtlpriv->ledctl.sw_led1 = LED_PIN_LED1; 1876 } 1877 EXPORT_SYMBOL(rtl_init_sw_leds); 1878 1879 const struct ieee80211_ops rtl_ops = { 1880 .add_chanctx = ieee80211_emulate_add_chanctx, 1881 .remove_chanctx = ieee80211_emulate_remove_chanctx, 1882 .change_chanctx = ieee80211_emulate_change_chanctx, 1883 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 1884 .start = rtl_op_start, 1885 .stop = rtl_op_stop, 1886 .tx = rtl_op_tx, 1887 .wake_tx_queue = ieee80211_handle_wake_tx_queue, 1888 .add_interface = rtl_op_add_interface, 1889 .remove_interface = rtl_op_remove_interface, 1890 .change_interface = rtl_op_change_interface, 1891 #ifdef CONFIG_PM 1892 .suspend = rtl_op_suspend, 1893 .resume = rtl_op_resume, 1894 #endif 1895 .config = rtl_op_config, 1896 .configure_filter = rtl_op_configure_filter, 1897 .set_key = rtl_op_set_key, 1898 .conf_tx = rtl_op_conf_tx, 1899 .bss_info_changed = rtl_op_bss_info_changed, 1900 .get_tsf = rtl_op_get_tsf, 1901 .set_tsf = rtl_op_set_tsf, 1902 .reset_tsf = rtl_op_reset_tsf, 1903 .sta_notify = rtl_op_sta_notify, 1904 .ampdu_action = rtl_op_ampdu_action, 1905 .sw_scan_start = rtl_op_sw_scan_start, 1906 .sw_scan_complete = rtl_op_sw_scan_complete, 1907 .rfkill_poll = rtl_op_rfkill_poll, 1908 .sta_add = rtl_op_sta_add, 1909 .sta_remove = rtl_op_sta_remove, 1910 .flush = rtl_op_flush, 1911 .set_tim = rtl_op_set_tim, 1912 }; 1913 EXPORT_SYMBOL_GPL(rtl_ops); 1914 1915 bool rtl_btc_status_false(void) 1916 { 1917 return false; 1918 } 1919 EXPORT_SYMBOL_GPL(rtl_btc_status_false); 1920 1921 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) 1922 { 1923 struct rtl_priv *rtlpriv = rtl_priv(hw); 1924 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 1925 1926 dm_digtable->dig_enable_flag = true; 1927 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 1928 dm_digtable->cur_igvalue = cur_igvalue; 1929 dm_digtable->pre_igvalue = 0; 1930 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; 1931 dm_digtable->presta_cstate = DIG_STA_DISCONNECT; 1932 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 1933 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; 1934 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; 1935 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; 1936 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; 1937 dm_digtable->rx_gain_max = DM_DIG_MAX; 1938 dm_digtable->rx_gain_min = DM_DIG_MIN; 1939 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 1940 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; 1941 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; 1942 dm_digtable->pre_cck_cca_thres = 0xff; 1943 dm_digtable->cur_cck_cca_thres = 0x83; 1944 dm_digtable->forbidden_igi = DM_DIG_MIN; 1945 dm_digtable->large_fa_hit = 0; 1946 dm_digtable->recover_cnt = 0; 1947 dm_digtable->dig_min_0 = 0x25; 1948 dm_digtable->dig_min_1 = 0x25; 1949 dm_digtable->media_connect_0 = false; 1950 dm_digtable->media_connect_1 = false; 1951 rtlpriv->dm.dm_initialgain_enable = true; 1952 dm_digtable->bt30_cur_igi = 0x32; 1953 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; 1954 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; 1955 dm_digtable->pre_cck_fa_state = 0; 1956 dm_digtable->cur_cck_fa_state = 0; 1957 } 1958 EXPORT_SYMBOL(rtl_dm_diginit); 1959