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 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data) 62 { 63 if (addr >= 0xf9 && addr <= 0xfe) { 64 rtl_addr_delay(addr); 65 } else { 66 rtl_set_bbreg(hw, addr, MASKDWORD, data); 67 udelay(1); 68 } 69 } 70 EXPORT_SYMBOL(rtl_bb_delay); 71 72 static void rtl_fw_do_work(const struct firmware *firmware, void *context, 73 bool is_wow) 74 { 75 struct ieee80211_hw *hw = context; 76 struct rtl_priv *rtlpriv = rtl_priv(hw); 77 int err; 78 79 rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD, 80 "Firmware callback routine entered!\n"); 81 if (!firmware) { 82 if (rtlpriv->cfg->alt_fw_name) { 83 err = request_firmware(&firmware, 84 rtlpriv->cfg->alt_fw_name, 85 rtlpriv->io.dev); 86 pr_info("Loading alternative firmware %s\n", 87 rtlpriv->cfg->alt_fw_name); 88 if (!err) 89 goto found_alt; 90 } 91 pr_err("Selected firmware is not available\n"); 92 rtlpriv->max_fw_size = 0; 93 goto exit; 94 } 95 found_alt: 96 if (firmware->size > rtlpriv->max_fw_size) { 97 pr_err("Firmware is too big!\n"); 98 release_firmware(firmware); 99 goto exit; 100 } 101 if (!is_wow) { 102 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, 103 firmware->size); 104 rtlpriv->rtlhal.fwsize = firmware->size; 105 } else { 106 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data, 107 firmware->size); 108 rtlpriv->rtlhal.wowlan_fwsize = firmware->size; 109 } 110 release_firmware(firmware); 111 112 exit: 113 complete(&rtlpriv->firmware_loading_complete); 114 } 115 116 void rtl_fw_cb(const struct firmware *firmware, void *context) 117 { 118 rtl_fw_do_work(firmware, context, false); 119 } 120 EXPORT_SYMBOL(rtl_fw_cb); 121 122 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context) 123 { 124 rtl_fw_do_work(firmware, context, true); 125 } 126 EXPORT_SYMBOL(rtl_wowlan_fw_cb); 127 128 /*mutex for start & stop is must here. */ 129 static int rtl_op_start(struct ieee80211_hw *hw) 130 { 131 int err = 0; 132 struct rtl_priv *rtlpriv = rtl_priv(hw); 133 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 134 135 if (!is_hal_stop(rtlhal)) 136 return 0; 137 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 138 return 0; 139 mutex_lock(&rtlpriv->locks.conf_mutex); 140 err = rtlpriv->intf_ops->adapter_start(hw); 141 if (!err) 142 rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer); 143 mutex_unlock(&rtlpriv->locks.conf_mutex); 144 return err; 145 } 146 147 static void rtl_op_stop(struct ieee80211_hw *hw, bool suspend) 148 { 149 struct rtl_priv *rtlpriv = rtl_priv(hw); 150 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 151 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 152 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 153 bool support_remote_wakeup = false; 154 155 if (is_hal_stop(rtlhal)) 156 return; 157 158 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN, 159 (u8 *)(&support_remote_wakeup)); 160 /* here is must, because adhoc do stop and start, 161 * but stop with RFOFF may cause something wrong, 162 * like adhoc TP 163 */ 164 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 165 rtl_ips_nic_on(hw); 166 167 mutex_lock(&rtlpriv->locks.conf_mutex); 168 /* if wowlan supported, DON'T clear connected info */ 169 if (!(support_remote_wakeup && 170 rtlhal->enter_pnp_sleep)) { 171 mac->link_state = MAC80211_NOLINK; 172 eth_zero_addr(mac->bssid); 173 mac->vendor = PEER_UNKNOWN; 174 175 /* reset sec info */ 176 rtl_cam_reset_sec_info(hw); 177 178 rtl_deinit_deferred_work(hw, false); 179 } 180 rtlpriv->intf_ops->adapter_stop(hw); 181 182 mutex_unlock(&rtlpriv->locks.conf_mutex); 183 } 184 185 static void rtl_op_tx(struct ieee80211_hw *hw, 186 struct ieee80211_tx_control *control, 187 struct sk_buff *skb) 188 { 189 struct rtl_priv *rtlpriv = rtl_priv(hw); 190 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 191 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 192 struct rtl_tcb_desc tcb_desc; 193 194 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 195 196 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 197 goto err_free; 198 199 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 200 goto err_free; 201 202 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb)) 203 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc); 204 return; 205 206 err_free: 207 dev_kfree_skb_any(skb); 208 } 209 210 static int rtl_op_add_interface(struct ieee80211_hw *hw, 211 struct ieee80211_vif *vif) 212 { 213 struct rtl_priv *rtlpriv = rtl_priv(hw); 214 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 215 int err = 0; 216 u8 retry_limit = 0x30; 217 218 if (mac->vif) { 219 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 220 "vif has been set!! mac->vif = 0x%p\n", mac->vif); 221 return -EOPNOTSUPP; 222 } 223 224 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 225 226 rtl_ips_nic_on(hw); 227 228 mutex_lock(&rtlpriv->locks.conf_mutex); 229 switch (ieee80211_vif_type_p2p(vif)) { 230 case NL80211_IFTYPE_P2P_CLIENT: 231 mac->p2p = P2P_ROLE_CLIENT; 232 fallthrough; 233 case NL80211_IFTYPE_STATION: 234 if (mac->beacon_enabled == 1) { 235 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 236 "NL80211_IFTYPE_STATION\n"); 237 mac->beacon_enabled = 0; 238 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 239 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 240 } 241 break; 242 case NL80211_IFTYPE_ADHOC: 243 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 244 "NL80211_IFTYPE_ADHOC\n"); 245 246 mac->link_state = MAC80211_LINKED; 247 rtlpriv->cfg->ops->set_bcn_reg(hw); 248 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 249 mac->basic_rates = 0xfff; 250 else 251 mac->basic_rates = 0xff0; 252 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 253 (u8 *)(&mac->basic_rates)); 254 255 retry_limit = 0x07; 256 break; 257 case NL80211_IFTYPE_P2P_GO: 258 mac->p2p = P2P_ROLE_GO; 259 fallthrough; 260 case NL80211_IFTYPE_AP: 261 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 262 "NL80211_IFTYPE_AP\n"); 263 264 mac->link_state = MAC80211_LINKED; 265 rtlpriv->cfg->ops->set_bcn_reg(hw); 266 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 267 mac->basic_rates = 0xfff; 268 else 269 mac->basic_rates = 0xff0; 270 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 271 (u8 *)(&mac->basic_rates)); 272 273 retry_limit = 0x07; 274 break; 275 case NL80211_IFTYPE_MESH_POINT: 276 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 277 "NL80211_IFTYPE_MESH_POINT\n"); 278 279 mac->link_state = MAC80211_LINKED; 280 rtlpriv->cfg->ops->set_bcn_reg(hw); 281 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 282 mac->basic_rates = 0xfff; 283 else 284 mac->basic_rates = 0xff0; 285 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 286 (u8 *)(&mac->basic_rates)); 287 288 retry_limit = 0x07; 289 break; 290 default: 291 pr_err("operation mode %d is not supported!\n", 292 vif->type); 293 err = -EOPNOTSUPP; 294 goto out; 295 } 296 297 if (mac->p2p) { 298 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 299 "p2p role %x\n", vif->type); 300 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/ 301 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 302 (u8 *)(&mac->basic_rates)); 303 } 304 mac->vif = vif; 305 mac->opmode = vif->type; 306 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 307 memcpy(mac->mac_addr, vif->addr, ETH_ALEN); 308 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); 309 310 mac->retry_long = retry_limit; 311 mac->retry_short = retry_limit; 312 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 313 (u8 *)(&retry_limit)); 314 out: 315 mutex_unlock(&rtlpriv->locks.conf_mutex); 316 return err; 317 } 318 319 static void rtl_op_remove_interface(struct ieee80211_hw *hw, 320 struct ieee80211_vif *vif) 321 { 322 struct rtl_priv *rtlpriv = rtl_priv(hw); 323 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 324 325 mutex_lock(&rtlpriv->locks.conf_mutex); 326 327 /* Free beacon resources */ 328 if (vif->type == NL80211_IFTYPE_AP || 329 vif->type == NL80211_IFTYPE_ADHOC || 330 vif->type == NL80211_IFTYPE_MESH_POINT) { 331 if (mac->beacon_enabled == 1) { 332 mac->beacon_enabled = 0; 333 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 334 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 335 } 336 } 337 338 /* 339 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as 340 *NO LINK for our hardware. 341 */ 342 mac->p2p = 0; 343 mac->vif = NULL; 344 mac->link_state = MAC80211_NOLINK; 345 eth_zero_addr(mac->bssid); 346 mac->vendor = PEER_UNKNOWN; 347 mac->opmode = NL80211_IFTYPE_UNSPECIFIED; 348 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 349 350 mutex_unlock(&rtlpriv->locks.conf_mutex); 351 } 352 353 static int rtl_op_change_interface(struct ieee80211_hw *hw, 354 struct ieee80211_vif *vif, 355 enum nl80211_iftype new_type, bool p2p) 356 { 357 struct rtl_priv *rtlpriv = rtl_priv(hw); 358 int ret; 359 360 rtl_op_remove_interface(hw, vif); 361 362 vif->type = new_type; 363 vif->p2p = p2p; 364 ret = rtl_op_add_interface(hw, vif); 365 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 366 "p2p %x\n", p2p); 367 return ret; 368 } 369 370 #ifdef CONFIG_PM 371 static u16 crc16_ccitt(u8 data, u16 crc) 372 { 373 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15; 374 u8 i; 375 u16 result; 376 377 for (i = 0; i < 8; i++) { 378 crc_bit15 = ((crc & BIT(15)) ? 1 : 0); 379 data_bit = (data & (BIT(0) << i) ? 1 : 0); 380 shift_in = crc_bit15 ^ data_bit; 381 382 result = crc << 1; 383 if (shift_in == 0) 384 result &= (~BIT(0)); 385 else 386 result |= BIT(0); 387 388 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in; 389 if (crc_bit11 == 0) 390 result &= (~BIT(12)); 391 else 392 result |= BIT(12); 393 394 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in; 395 if (crc_bit4 == 0) 396 result &= (~BIT(5)); 397 else 398 result |= BIT(5); 399 400 crc = result; 401 } 402 403 return crc; 404 } 405 406 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len) 407 { 408 u16 crc = 0xffff; 409 u32 i; 410 411 for (i = 0; i < len; i++) 412 crc = crc16_ccitt(pattern[i], crc); 413 414 crc = ~crc; 415 416 return crc; 417 } 418 419 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, 420 struct cfg80211_wowlan *wow) 421 { 422 struct rtl_priv *rtlpriv = rtl_priv(hw); 423 struct rtl_mac *mac = &rtlpriv->mac80211; 424 struct cfg80211_pkt_pattern *patterns = wow->patterns; 425 struct rtl_wow_pattern rtl_pattern; 426 const u8 *pattern_os, *mask_os; 427 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0}; 428 u8 content[MAX_WOL_PATTERN_SIZE] = {0}; 429 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 430 u8 multicast_addr1[2] = {0x33, 0x33}; 431 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e}; 432 u8 i, mask_len; 433 u16 j, len; 434 435 for (i = 0; i < wow->n_patterns; i++) { 436 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern)); 437 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE); 438 if (patterns[i].pattern_len < 0 || 439 patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { 440 rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING, 441 "Pattern[%d] is too long\n", i); 442 continue; 443 } 444 pattern_os = patterns[i].pattern; 445 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8); 446 mask_os = patterns[i].mask; 447 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 448 "pattern content\n", pattern_os, 449 patterns[i].pattern_len); 450 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 451 "mask content\n", mask_os, mask_len); 452 /* 1. unicast? multicast? or broadcast? */ 453 if (memcmp(pattern_os, broadcast_addr, 6) == 0) 454 rtl_pattern.type = BROADCAST_PATTERN; 455 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 || 456 memcmp(pattern_os, multicast_addr2, 3) == 0) 457 rtl_pattern.type = MULTICAST_PATTERN; 458 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0) 459 rtl_pattern.type = UNICAST_PATTERN; 460 else 461 rtl_pattern.type = UNKNOWN_TYPE; 462 463 /* 2. translate mask_from_os to mask_for_hw */ 464 465 /****************************************************************************** 466 * pattern from OS uses 'ethenet frame', like this: 467 468 | 6 | 6 | 2 | 20 | Variable | 4 | 469 |--------+--------+------+-----------+------------+-----| 470 | 802.3 Mac Header | IP Header | TCP Packet | FCS | 471 | DA | SA | Type | 472 473 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC, 474 475 | 24 or 30 | 6 | 2 | 20 | Variable | 4 | 476 |-------------------+--------+------+-----------+------------+-----| 477 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS | 478 | Others | Tpye | 479 480 * Therefore, we need translate mask_from_OS to mask_to_hw. 481 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0, 482 * because new mask[0~5] means 'SA', but our HW packet begins from LLC, 483 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match. 484 ******************************************************************************/ 485 486 /* Shift 6 bits */ 487 for (j = 0; j < mask_len - 1; j++) { 488 mask[j] = mask_os[j] >> 6; 489 mask[j] |= (mask_os[j + 1] & 0x3F) << 2; 490 } 491 mask[j] = (mask_os[j] >> 6) & 0x3F; 492 /* Set bit 0-5 to zero */ 493 mask[0] &= 0xC0; 494 495 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 496 "mask to hw\n", mask, mask_len); 497 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) { 498 rtl_pattern.mask[j] = mask[j * 4]; 499 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8); 500 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16); 501 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24); 502 } 503 504 /* To get the wake up pattern from the mask. 505 * We do not count first 12 bits which means 506 * DA[6] and SA[6] in the pattern to match HW design. 507 */ 508 len = 0; 509 for (j = 12; j < patterns[i].pattern_len; j++) { 510 if ((mask_os[j / 8] >> (j % 8)) & 0x01) { 511 content[len] = pattern_os[j]; 512 len++; 513 } 514 } 515 516 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 517 "pattern to hw\n", content, len); 518 /* 3. calculate crc */ 519 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len); 520 rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE, 521 "CRC_Remainder = 0x%x\n", rtl_pattern.crc); 522 523 /* 4. write crc & mask_for_hw to hw */ 524 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i); 525 } 526 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns); 527 } 528 529 static int rtl_op_suspend(struct ieee80211_hw *hw, 530 struct cfg80211_wowlan *wow) 531 { 532 struct rtl_priv *rtlpriv = rtl_priv(hw); 533 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 534 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 535 536 rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 537 if (WARN_ON(!wow)) 538 return -EINVAL; 539 540 /* to resolve s4 can not wake up*/ 541 rtlhal->last_suspend_sec = ktime_get_real_seconds(); 542 543 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns) 544 _rtl_add_wowlan_patterns(hw, wow); 545 546 rtlhal->driver_is_goingto_unload = true; 547 rtlhal->enter_pnp_sleep = true; 548 549 rtl_lps_leave(hw, true); 550 rtl_op_stop(hw, false); 551 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true); 552 return 0; 553 } 554 555 static int rtl_op_resume(struct ieee80211_hw *hw) 556 { 557 struct rtl_priv *rtlpriv = rtl_priv(hw); 558 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 559 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 560 time64_t now; 561 562 rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 563 rtlhal->driver_is_goingto_unload = false; 564 rtlhal->enter_pnp_sleep = false; 565 rtlhal->wake_from_pnp_sleep = true; 566 567 /* to resolve s4 can not wake up*/ 568 now = ktime_get_real_seconds(); 569 if (now - rtlhal->last_suspend_sec < 5) 570 return -1; 571 572 rtl_op_start(hw); 573 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false); 574 ieee80211_resume_disconnect(mac->vif); 575 rtlhal->wake_from_pnp_sleep = false; 576 return 0; 577 } 578 #endif 579 580 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) 581 { 582 struct rtl_priv *rtlpriv = rtl_priv(hw); 583 struct rtl_phy *rtlphy = &(rtlpriv->phy); 584 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 585 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 586 struct ieee80211_conf *conf = &hw->conf; 587 588 if (mac->skip_scan) 589 return 1; 590 591 mutex_lock(&rtlpriv->locks.conf_mutex); 592 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/ 593 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 594 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); 595 } 596 597 /*For IPS */ 598 if (changed & IEEE80211_CONF_CHANGE_IDLE) { 599 if (hw->conf.flags & IEEE80211_CONF_IDLE) 600 rtl_ips_nic_off(hw); 601 else 602 rtl_ips_nic_on(hw); 603 } else { 604 /* 605 *although rfoff may not cause by ips, but we will 606 *check the reason in set_rf_power_state function 607 */ 608 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 609 rtl_ips_nic_on(hw); 610 } 611 612 /*For LPS */ 613 if ((changed & IEEE80211_CONF_CHANGE_PS) && 614 rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) { 615 cancel_delayed_work(&rtlpriv->works.ps_work); 616 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 617 if (conf->flags & IEEE80211_CONF_PS) { 618 rtlpriv->psc.sw_ps_enabled = true; 619 /* sleep here is must, or we may recv the beacon and 620 * cause mac80211 into wrong ps state, this will cause 621 * power save nullfunc send fail, and further cause 622 * pkt loss, So sleep must quickly but not immediatly 623 * because that will cause nullfunc send by mac80211 624 * fail, and cause pkt loss, we have tested that 5mA 625 * is worked very well */ 626 if (!rtlpriv->psc.multi_buffered) 627 queue_delayed_work(rtlpriv->works.rtl_wq, 628 &rtlpriv->works.ps_work, 629 MSECS(5)); 630 } else { 631 rtl_swlps_rf_awake(hw); 632 rtlpriv->psc.sw_ps_enabled = false; 633 } 634 } 635 636 if (changed & IEEE80211_CONF_CHANGE_CHANNEL && 637 !rtlpriv->proximity.proxim_on) { 638 struct ieee80211_channel *channel = hw->conf.chandef.chan; 639 enum nl80211_chan_width width = hw->conf.chandef.width; 640 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; 641 u8 wide_chan = (u8) channel->hw_value; 642 643 /* channel_type is for 20&40M */ 644 if (width < NL80211_CHAN_WIDTH_80) 645 channel_type = 646 cfg80211_get_chandef_type(&hw->conf.chandef); 647 if (mac->act_scanning) 648 mac->n_channels++; 649 650 /* 651 *because we should back channel to 652 *current_network.chan in scanning, 653 *So if set_chan == current_network.chan 654 *we should set it. 655 *because mac80211 tell us wrong bw40 656 *info for cisco1253 bw20, so we modify 657 *it here based on UPPER & LOWER 658 */ 659 660 if (width >= NL80211_CHAN_WIDTH_80) { 661 if (width == NL80211_CHAN_WIDTH_80) { 662 u32 center = hw->conf.chandef.center_freq1; 663 u32 primary = 664 (u32)hw->conf.chandef.chan->center_freq; 665 666 rtlphy->current_chan_bw = 667 HT_CHANNEL_WIDTH_80; 668 mac->bw_80 = true; 669 mac->bw_40 = true; 670 if (center > primary) { 671 mac->cur_80_prime_sc = 672 PRIME_CHNL_OFFSET_LOWER; 673 if (center - primary == 10) { 674 mac->cur_40_prime_sc = 675 PRIME_CHNL_OFFSET_UPPER; 676 677 wide_chan += 2; 678 } else if (center - primary == 30) { 679 mac->cur_40_prime_sc = 680 PRIME_CHNL_OFFSET_LOWER; 681 682 wide_chan += 6; 683 } 684 } else { 685 mac->cur_80_prime_sc = 686 PRIME_CHNL_OFFSET_UPPER; 687 if (primary - center == 10) { 688 mac->cur_40_prime_sc = 689 PRIME_CHNL_OFFSET_LOWER; 690 691 wide_chan -= 2; 692 } else if (primary - center == 30) { 693 mac->cur_40_prime_sc = 694 PRIME_CHNL_OFFSET_UPPER; 695 696 wide_chan -= 6; 697 } 698 } 699 } 700 } else { 701 switch (channel_type) { 702 case NL80211_CHAN_HT20: 703 case NL80211_CHAN_NO_HT: 704 /* SC */ 705 mac->cur_40_prime_sc = 706 PRIME_CHNL_OFFSET_DONT_CARE; 707 rtlphy->current_chan_bw = 708 HT_CHANNEL_WIDTH_20; 709 mac->bw_40 = false; 710 mac->bw_80 = false; 711 break; 712 case NL80211_CHAN_HT40MINUS: 713 /* SC */ 714 mac->cur_40_prime_sc = 715 PRIME_CHNL_OFFSET_UPPER; 716 rtlphy->current_chan_bw = 717 HT_CHANNEL_WIDTH_20_40; 718 mac->bw_40 = true; 719 mac->bw_80 = false; 720 721 /*wide channel */ 722 wide_chan -= 2; 723 724 break; 725 case NL80211_CHAN_HT40PLUS: 726 /* SC */ 727 mac->cur_40_prime_sc = 728 PRIME_CHNL_OFFSET_LOWER; 729 rtlphy->current_chan_bw = 730 HT_CHANNEL_WIDTH_20_40; 731 mac->bw_40 = true; 732 mac->bw_80 = false; 733 734 /*wide channel */ 735 wide_chan += 2; 736 737 break; 738 default: 739 mac->bw_40 = false; 740 mac->bw_80 = false; 741 pr_err("switch case %#x not processed\n", 742 channel_type); 743 break; 744 } 745 } 746 747 if (wide_chan <= 0) 748 wide_chan = 1; 749 750 /* In scanning, when before we offchannel we may send a ps=1 751 * null to AP, and then we may send a ps = 0 null to AP quickly, 752 * but first null may have caused AP to put lots of packet to 753 * hw tx buffer. These packets must be tx'd before we go off 754 * channel so we must delay more time to let AP flush these 755 * packets before going offchannel, or dis-association or 756 * delete BA will be caused by AP 757 */ 758 if (rtlpriv->mac80211.offchan_delay) { 759 rtlpriv->mac80211.offchan_delay = false; 760 mdelay(50); 761 } 762 763 rtlphy->current_channel = wide_chan; 764 765 rtlpriv->cfg->ops->switch_channel(hw); 766 rtlpriv->cfg->ops->set_channel_access(hw); 767 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type); 768 } 769 770 mutex_unlock(&rtlpriv->locks.conf_mutex); 771 772 return 0; 773 } 774 775 static void rtl_op_configure_filter(struct ieee80211_hw *hw, 776 unsigned int changed_flags, 777 unsigned int *new_flags, u64 multicast) 778 { 779 bool update_rcr = false; 780 struct rtl_priv *rtlpriv = rtl_priv(hw); 781 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 782 783 *new_flags &= RTL_SUPPORTED_FILTERS; 784 if (0 == changed_flags) 785 return; 786 787 /*TODO: we disable broadcast now, so enable here */ 788 if (changed_flags & FIF_ALLMULTI) { 789 if (*new_flags & FIF_ALLMULTI) { 790 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | 791 rtlpriv->cfg->maps[MAC_RCR_AB]; 792 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 793 "Enable receive multicast frame\n"); 794 } else { 795 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | 796 rtlpriv->cfg->maps[MAC_RCR_AB]); 797 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 798 "Disable receive multicast frame\n"); 799 } 800 update_rcr = true; 801 } 802 803 if (changed_flags & FIF_FCSFAIL) { 804 if (*new_flags & FIF_FCSFAIL) { 805 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 806 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 807 "Enable receive FCS error frame\n"); 808 } else { 809 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 810 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 811 "Disable receive FCS error frame\n"); 812 } 813 if (!update_rcr) 814 update_rcr = true; 815 } 816 817 /* if ssid not set to hw don't check bssid 818 * here just used for linked scanning, & linked 819 * and nolink check bssid is set in set network_type 820 */ 821 if (changed_flags & FIF_BCN_PRBRESP_PROMISC && 822 mac->link_state >= MAC80211_LINKED) { 823 if (mac->opmode != NL80211_IFTYPE_AP && 824 mac->opmode != NL80211_IFTYPE_MESH_POINT) { 825 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 826 rtlpriv->cfg->ops->set_chk_bssid(hw, false); 827 else 828 rtlpriv->cfg->ops->set_chk_bssid(hw, true); 829 if (update_rcr) 830 update_rcr = false; 831 } 832 } 833 834 if (changed_flags & FIF_CONTROL) { 835 if (*new_flags & FIF_CONTROL) { 836 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; 837 838 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 839 "Enable receive control frame.\n"); 840 } else { 841 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; 842 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 843 "Disable receive control frame.\n"); 844 } 845 if (!update_rcr) 846 update_rcr = true; 847 } 848 849 if (changed_flags & FIF_OTHER_BSS) { 850 if (*new_flags & FIF_OTHER_BSS) { 851 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; 852 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 853 "Enable receive other BSS's frame.\n"); 854 } else { 855 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; 856 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 857 "Disable receive other BSS's frame.\n"); 858 } 859 if (!update_rcr) 860 update_rcr = true; 861 } 862 863 if (update_rcr) 864 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, 865 (u8 *)(&mac->rx_conf)); 866 } 867 868 static int rtl_op_sta_add(struct ieee80211_hw *hw, 869 struct ieee80211_vif *vif, 870 struct ieee80211_sta *sta) 871 { 872 struct rtl_priv *rtlpriv = rtl_priv(hw); 873 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 874 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 875 struct rtl_sta_info *sta_entry; 876 877 if (sta) { 878 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 879 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 880 list_add_tail(&sta_entry->list, &rtlpriv->entry_list); 881 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 882 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 883 sta_entry->wireless_mode = WIRELESS_MODE_G; 884 if (sta->deflink.supp_rates[0] <= 0xf) 885 sta_entry->wireless_mode = WIRELESS_MODE_B; 886 if (sta->deflink.ht_cap.ht_supported) 887 sta_entry->wireless_mode = WIRELESS_MODE_N_24G; 888 889 if (vif->type == NL80211_IFTYPE_ADHOC) 890 sta_entry->wireless_mode = WIRELESS_MODE_G; 891 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 892 sta_entry->wireless_mode = WIRELESS_MODE_A; 893 if (sta->deflink.ht_cap.ht_supported) 894 sta_entry->wireless_mode = WIRELESS_MODE_N_5G; 895 if (sta->deflink.vht_cap.vht_supported) 896 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G; 897 898 if (vif->type == NL80211_IFTYPE_ADHOC) 899 sta_entry->wireless_mode = WIRELESS_MODE_A; 900 } 901 /*disable cck rate for p2p*/ 902 if (mac->p2p) 903 sta->deflink.supp_rates[0] &= 0xfffffff0; 904 905 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); 906 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 907 "Add sta addr is %pM\n", sta->addr); 908 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); 909 } 910 911 return 0; 912 } 913 914 static int rtl_op_sta_remove(struct ieee80211_hw *hw, 915 struct ieee80211_vif *vif, 916 struct ieee80211_sta *sta) 917 { 918 struct rtl_priv *rtlpriv = rtl_priv(hw); 919 struct rtl_sta_info *sta_entry; 920 921 if (sta) { 922 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 923 "Remove sta addr is %pM\n", sta->addr); 924 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 925 sta_entry->wireless_mode = 0; 926 sta_entry->ratr_index = 0; 927 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 928 list_del(&sta_entry->list); 929 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 930 } 931 return 0; 932 } 933 934 static int _rtl_get_hal_qnum(u16 queue) 935 { 936 int qnum; 937 938 switch (queue) { 939 case 0: 940 qnum = AC3_VO; 941 break; 942 case 1: 943 qnum = AC2_VI; 944 break; 945 case 2: 946 qnum = AC0_BE; 947 break; 948 case 3: 949 qnum = AC1_BK; 950 break; 951 default: 952 qnum = AC0_BE; 953 break; 954 } 955 return qnum; 956 } 957 958 /* 959 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 960 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 961 */ 962 static int rtl_op_conf_tx(struct ieee80211_hw *hw, 963 struct ieee80211_vif *vif, 964 unsigned int link_id, u16 queue, 965 const struct ieee80211_tx_queue_params *param) 966 { 967 struct rtl_priv *rtlpriv = rtl_priv(hw); 968 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 969 int aci; 970 971 if (queue >= AC_MAX) { 972 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 973 "queue number %d is incorrect!\n", queue); 974 return -EINVAL; 975 } 976 977 aci = _rtl_get_hal_qnum(queue); 978 mac->ac[aci].aifs = param->aifs; 979 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); 980 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); 981 mac->ac[aci].tx_op = cpu_to_le16(param->txop); 982 memcpy(&mac->edca_param[aci], param, sizeof(*param)); 983 rtlpriv->cfg->ops->set_qos(hw, aci); 984 return 0; 985 } 986 987 static void send_beacon_frame(struct ieee80211_hw *hw, 988 struct ieee80211_vif *vif) 989 { 990 struct rtl_priv *rtlpriv = rtl_priv(hw); 991 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0); 992 struct rtl_tcb_desc tcb_desc; 993 994 if (skb) { 995 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 996 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); 997 } 998 } 999 1000 void rtl_update_beacon_work_callback(struct work_struct *work) 1001 { 1002 struct rtl_works *rtlworks = 1003 container_of(work, struct rtl_works, update_beacon_work); 1004 struct ieee80211_hw *hw = rtlworks->hw; 1005 struct rtl_priv *rtlpriv = rtl_priv(hw); 1006 struct ieee80211_vif *vif = rtlpriv->mac80211.vif; 1007 1008 if (!vif) { 1009 WARN_ONCE(true, "no vif to update beacon\n"); 1010 return; 1011 } 1012 1013 mutex_lock(&rtlpriv->locks.conf_mutex); 1014 send_beacon_frame(hw, vif); 1015 mutex_unlock(&rtlpriv->locks.conf_mutex); 1016 } 1017 EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback); 1018 1019 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, 1020 struct ieee80211_vif *vif, 1021 struct ieee80211_bss_conf *bss_conf, 1022 u64 changed) 1023 { 1024 struct rtl_priv *rtlpriv = rtl_priv(hw); 1025 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 1026 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1027 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1028 1029 mutex_lock(&rtlpriv->locks.conf_mutex); 1030 if (vif->type == NL80211_IFTYPE_ADHOC || 1031 vif->type == NL80211_IFTYPE_AP || 1032 vif->type == NL80211_IFTYPE_MESH_POINT) { 1033 if (changed & BSS_CHANGED_BEACON || 1034 (changed & BSS_CHANGED_BEACON_ENABLED && 1035 bss_conf->enable_beacon)) { 1036 if (mac->beacon_enabled == 0) { 1037 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1038 "BSS_CHANGED_BEACON_ENABLED\n"); 1039 1040 /*start hw beacon interrupt. */ 1041 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ 1042 mac->beacon_enabled = 1; 1043 rtlpriv->cfg->ops->update_interrupt_mask(hw, 1044 rtlpriv->cfg->maps 1045 [RTL_IBSS_INT_MASKS], 0); 1046 1047 if (rtlpriv->cfg->ops->linked_set_reg) 1048 rtlpriv->cfg->ops->linked_set_reg(hw); 1049 send_beacon_frame(hw, vif); 1050 } 1051 } 1052 if ((changed & BSS_CHANGED_BEACON_ENABLED && 1053 !bss_conf->enable_beacon)) { 1054 if (mac->beacon_enabled == 1) { 1055 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1056 "ADHOC DISABLE BEACON\n"); 1057 1058 mac->beacon_enabled = 0; 1059 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 1060 rtlpriv->cfg->maps 1061 [RTL_IBSS_INT_MASKS]); 1062 } 1063 } 1064 if (changed & BSS_CHANGED_BEACON_INT) { 1065 rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE, 1066 "BSS_CHANGED_BEACON_INT\n"); 1067 mac->beacon_interval = bss_conf->beacon_int; 1068 rtlpriv->cfg->ops->set_bcn_intv(hw); 1069 } 1070 } 1071 1072 /*TODO: reference to enum ieee80211_bss_change */ 1073 if (changed & BSS_CHANGED_ASSOC) { 1074 u8 mstatus; 1075 1076 if (vif->cfg.assoc) { 1077 struct ieee80211_sta *sta = NULL; 1078 u8 keep_alive = 10; 1079 1080 mstatus = RT_MEDIA_CONNECT; 1081 /* we should reset all sec info & cam 1082 * before set cam after linked, we should not 1083 * reset in disassoc, that will cause tkip->wep 1084 * fail because some flag will be wrong */ 1085 /* reset sec info */ 1086 rtl_cam_reset_sec_info(hw); 1087 /* reset cam to fix wep fail issue 1088 * when change from wpa to wep */ 1089 rtl_cam_reset_all_entry(hw); 1090 1091 mac->link_state = MAC80211_LINKED; 1092 mac->cnt_after_linked = 0; 1093 mac->assoc_id = vif->cfg.aid; 1094 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1095 1096 if (rtlpriv->cfg->ops->linked_set_reg) 1097 rtlpriv->cfg->ops->linked_set_reg(hw); 1098 1099 rcu_read_lock(); 1100 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1101 if (!sta) { 1102 rcu_read_unlock(); 1103 goto out; 1104 } 1105 rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, 1106 "send PS STATIC frame\n"); 1107 if (rtlpriv->dm.supp_phymode_switch) { 1108 if (sta->deflink.ht_cap.ht_supported) 1109 rtl_send_smps_action(hw, sta, 1110 IEEE80211_SMPS_STATIC); 1111 } 1112 1113 if (rtlhal->current_bandtype == BAND_ON_5G) { 1114 mac->mode = WIRELESS_MODE_A; 1115 } else { 1116 if (sta->deflink.supp_rates[0] <= 0xf) 1117 mac->mode = WIRELESS_MODE_B; 1118 else 1119 mac->mode = WIRELESS_MODE_G; 1120 } 1121 1122 if (sta->deflink.ht_cap.ht_supported) { 1123 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1124 mac->mode = WIRELESS_MODE_N_24G; 1125 else 1126 mac->mode = WIRELESS_MODE_N_5G; 1127 } 1128 1129 if (sta->deflink.vht_cap.vht_supported) { 1130 if (rtlhal->current_bandtype == BAND_ON_5G) 1131 mac->mode = WIRELESS_MODE_AC_5G; 1132 else 1133 mac->mode = WIRELESS_MODE_AC_24G; 1134 } 1135 1136 if (vif->type == NL80211_IFTYPE_STATION) 1137 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, 1138 true); 1139 rcu_read_unlock(); 1140 1141 /* to avoid AP Disassociation caused by inactivity */ 1142 rtlpriv->cfg->ops->set_hw_reg(hw, 1143 HW_VAR_KEEP_ALIVE, 1144 (u8 *)(&keep_alive)); 1145 1146 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1147 "BSS_CHANGED_ASSOC\n"); 1148 } else { 1149 struct cfg80211_bss *bss = NULL; 1150 1151 mstatus = RT_MEDIA_DISCONNECT; 1152 1153 if (mac->link_state == MAC80211_LINKED) 1154 rtl_lps_leave(hw, true); 1155 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) 1156 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); 1157 mac->link_state = MAC80211_NOLINK; 1158 1159 bss = cfg80211_get_bss(hw->wiphy, NULL, 1160 (u8 *)mac->bssid, NULL, 0, 1161 IEEE80211_BSS_TYPE_ESS, 1162 IEEE80211_PRIVACY_OFF); 1163 1164 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1165 "bssid = %pMF\n", mac->bssid); 1166 1167 if (bss) { 1168 cfg80211_unlink_bss(hw->wiphy, bss); 1169 cfg80211_put_bss(hw->wiphy, bss); 1170 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1171 "cfg80211_unlink !!\n"); 1172 } 1173 1174 eth_zero_addr(mac->bssid); 1175 mac->vendor = PEER_UNKNOWN; 1176 mac->mode = 0; 1177 1178 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1179 "BSS_CHANGED_UN_ASSOC\n"); 1180 } 1181 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 1182 /* For FW LPS: 1183 * To tell firmware we have connected or disconnected 1184 */ 1185 rtlpriv->cfg->ops->set_hw_reg(hw, 1186 HW_VAR_H2C_FW_JOINBSSRPT, 1187 (u8 *)(&mstatus)); 1188 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? 1189 true : false; 1190 1191 if (rtlpriv->cfg->ops->get_btc_status()) 1192 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( 1193 rtlpriv, mstatus); 1194 } 1195 1196 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 1197 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1198 "BSS_CHANGED_ERP_CTS_PROT\n"); 1199 mac->use_cts_protect = bss_conf->use_cts_prot; 1200 } 1201 1202 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 1203 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 1204 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", 1205 bss_conf->use_short_preamble); 1206 1207 mac->short_preamble = bss_conf->use_short_preamble; 1208 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, 1209 (u8 *)(&mac->short_preamble)); 1210 } 1211 1212 if (changed & BSS_CHANGED_ERP_SLOT) { 1213 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1214 "BSS_CHANGED_ERP_SLOT\n"); 1215 1216 if (bss_conf->use_short_slot) 1217 mac->slot_time = RTL_SLOT_TIME_9; 1218 else 1219 mac->slot_time = RTL_SLOT_TIME_20; 1220 1221 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, 1222 (u8 *)(&mac->slot_time)); 1223 } 1224 1225 if (changed & BSS_CHANGED_HT) { 1226 struct ieee80211_sta *sta = NULL; 1227 1228 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1229 "BSS_CHANGED_HT\n"); 1230 1231 rcu_read_lock(); 1232 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1233 if (sta) { 1234 if (sta->deflink.ht_cap.ampdu_density > 1235 mac->current_ampdu_density) 1236 mac->current_ampdu_density = 1237 sta->deflink.ht_cap.ampdu_density; 1238 if (sta->deflink.ht_cap.ampdu_factor < 1239 mac->current_ampdu_factor) 1240 mac->current_ampdu_factor = 1241 sta->deflink.ht_cap.ampdu_factor; 1242 } 1243 rcu_read_unlock(); 1244 1245 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, 1246 (u8 *)(&mac->max_mss_density)); 1247 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, 1248 &mac->current_ampdu_factor); 1249 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, 1250 &mac->current_ampdu_density); 1251 } 1252 1253 if (changed & BSS_CHANGED_BSSID) { 1254 u32 basic_rates; 1255 struct ieee80211_sta *sta = NULL; 1256 1257 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, 1258 (u8 *)bss_conf->bssid); 1259 1260 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1261 "bssid: %pM\n", bss_conf->bssid); 1262 1263 mac->vendor = PEER_UNKNOWN; 1264 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1265 1266 rcu_read_lock(); 1267 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1268 if (!sta) { 1269 rcu_read_unlock(); 1270 goto out; 1271 } 1272 1273 if (rtlhal->current_bandtype == BAND_ON_5G) { 1274 mac->mode = WIRELESS_MODE_A; 1275 } else { 1276 if (sta->deflink.supp_rates[0] <= 0xf) 1277 mac->mode = WIRELESS_MODE_B; 1278 else 1279 mac->mode = WIRELESS_MODE_G; 1280 } 1281 1282 if (sta->deflink.ht_cap.ht_supported) { 1283 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1284 mac->mode = WIRELESS_MODE_N_24G; 1285 else 1286 mac->mode = WIRELESS_MODE_N_5G; 1287 } 1288 1289 if (sta->deflink.vht_cap.vht_supported) { 1290 if (rtlhal->current_bandtype == BAND_ON_5G) 1291 mac->mode = WIRELESS_MODE_AC_5G; 1292 else 1293 mac->mode = WIRELESS_MODE_AC_24G; 1294 } 1295 1296 /* just station need it, because ibss & ap mode will 1297 * set in sta_add, and will be NULL here */ 1298 if (vif->type == NL80211_IFTYPE_STATION) { 1299 struct rtl_sta_info *sta_entry; 1300 1301 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1302 sta_entry->wireless_mode = mac->mode; 1303 } 1304 1305 if (sta->deflink.ht_cap.ht_supported) { 1306 mac->ht_enable = true; 1307 1308 /* 1309 * for cisco 1252 bw20 it's wrong 1310 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { 1311 * mac->bw_40 = true; 1312 * } 1313 * */ 1314 } 1315 1316 if (sta->deflink.vht_cap.vht_supported) 1317 mac->vht_enable = true; 1318 1319 if (changed & BSS_CHANGED_BASIC_RATES) { 1320 /* for 5G must << RATE_6M_INDEX = 4, 1321 * because 5G have no cck rate*/ 1322 if (rtlhal->current_bandtype == BAND_ON_5G) 1323 basic_rates = sta->deflink.supp_rates[1] << 4; 1324 else 1325 basic_rates = sta->deflink.supp_rates[0]; 1326 1327 mac->basic_rates = basic_rates; 1328 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 1329 (u8 *)(&basic_rates)); 1330 } 1331 rcu_read_unlock(); 1332 } 1333 out: 1334 mutex_unlock(&rtlpriv->locks.conf_mutex); 1335 } 1336 1337 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1338 { 1339 struct rtl_priv *rtlpriv = rtl_priv(hw); 1340 u64 tsf; 1341 1342 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); 1343 return tsf; 1344 } 1345 1346 static void rtl_op_set_tsf(struct ieee80211_hw *hw, 1347 struct ieee80211_vif *vif, u64 tsf) 1348 { 1349 struct rtl_priv *rtlpriv = rtl_priv(hw); 1350 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1351 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 1352 1353 mac->tsf = tsf; 1354 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); 1355 } 1356 1357 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1358 { 1359 struct rtl_priv *rtlpriv = rtl_priv(hw); 1360 u8 tmp = 0; 1361 1362 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); 1363 } 1364 1365 static void rtl_op_sta_notify(struct ieee80211_hw *hw, 1366 struct ieee80211_vif *vif, 1367 enum sta_notify_cmd cmd, 1368 struct ieee80211_sta *sta) 1369 { 1370 switch (cmd) { 1371 case STA_NOTIFY_SLEEP: 1372 break; 1373 case STA_NOTIFY_AWAKE: 1374 break; 1375 default: 1376 break; 1377 } 1378 } 1379 1380 static int rtl_op_ampdu_action(struct ieee80211_hw *hw, 1381 struct ieee80211_vif *vif, 1382 struct ieee80211_ampdu_params *params) 1383 { 1384 struct rtl_priv *rtlpriv = rtl_priv(hw); 1385 struct ieee80211_sta *sta = params->sta; 1386 enum ieee80211_ampdu_mlme_action action = params->action; 1387 u16 tid = params->tid; 1388 u16 *ssn = ¶ms->ssn; 1389 1390 switch (action) { 1391 case IEEE80211_AMPDU_TX_START: 1392 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1393 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); 1394 return rtl_tx_agg_start(hw, vif, sta, tid, ssn); 1395 case IEEE80211_AMPDU_TX_STOP_CONT: 1396 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1397 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1398 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1399 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); 1400 return rtl_tx_agg_stop(hw, vif, sta, tid); 1401 case IEEE80211_AMPDU_TX_OPERATIONAL: 1402 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1403 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); 1404 rtl_tx_agg_oper(hw, sta, tid); 1405 break; 1406 case IEEE80211_AMPDU_RX_START: 1407 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1408 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); 1409 return rtl_rx_agg_start(hw, sta, tid); 1410 case IEEE80211_AMPDU_RX_STOP: 1411 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1412 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); 1413 return rtl_rx_agg_stop(hw, sta, tid); 1414 default: 1415 pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); 1416 return -EOPNOTSUPP; 1417 } 1418 return 0; 1419 } 1420 1421 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, 1422 struct ieee80211_vif *vif, 1423 const u8 *mac_addr) 1424 { 1425 struct rtl_priv *rtlpriv = rtl_priv(hw); 1426 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1427 1428 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1429 mac->act_scanning = true; 1430 if (rtlpriv->link_info.higher_busytraffic) { 1431 mac->skip_scan = true; 1432 return; 1433 } 1434 1435 if (rtlpriv->cfg->ops->get_btc_status()) 1436 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); 1437 else if (rtlpriv->btcoexist.btc_ops) 1438 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1439 1); 1440 1441 if (mac->link_state == MAC80211_LINKED) { 1442 rtl_lps_leave(hw, true); 1443 mac->link_state = MAC80211_LINKED_SCANNING; 1444 } else { 1445 rtl_ips_nic_on(hw); 1446 } 1447 1448 /* Dul mac */ 1449 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1450 1451 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); 1452 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); 1453 } 1454 1455 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, 1456 struct ieee80211_vif *vif) 1457 { 1458 struct rtl_priv *rtlpriv = rtl_priv(hw); 1459 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1460 1461 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1462 mac->act_scanning = false; 1463 mac->skip_scan = false; 1464 1465 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1466 1467 if (rtlpriv->link_info.higher_busytraffic) 1468 return; 1469 1470 /* p2p will use 1/6/11 to scan */ 1471 if (mac->n_channels == 3) 1472 mac->p2p_in_use = true; 1473 else 1474 mac->p2p_in_use = false; 1475 mac->n_channels = 0; 1476 /* Dul mac */ 1477 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1478 1479 if (mac->link_state == MAC80211_LINKED_SCANNING) { 1480 mac->link_state = MAC80211_LINKED; 1481 if (mac->opmode == NL80211_IFTYPE_STATION) { 1482 /* fix fwlps issue */ 1483 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 1484 } 1485 } 1486 1487 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); 1488 if (rtlpriv->cfg->ops->get_btc_status()) 1489 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); 1490 else if (rtlpriv->btcoexist.btc_ops) 1491 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1492 0); 1493 } 1494 1495 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1496 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1497 struct ieee80211_key_conf *key) 1498 { 1499 struct rtl_priv *rtlpriv = rtl_priv(hw); 1500 u8 key_type = NO_ENCRYPTION; 1501 u8 key_idx; 1502 bool group_key = false; 1503 bool wep_only = false; 1504 int err = 0; 1505 u8 mac_addr[ETH_ALEN]; 1506 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1507 1508 rtlpriv->btcoexist.btc_info.in_4way = false; 1509 1510 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { 1511 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 1512 "not open hw encryption\n"); 1513 return -ENOSPC; /*User disabled HW-crypto */ 1514 } 1515 /* To support IBSS, use sw-crypto for GTK */ 1516 if ((vif->type == NL80211_IFTYPE_ADHOC || 1517 vif->type == NL80211_IFTYPE_MESH_POINT) && 1518 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 1519 return -ENOSPC; 1520 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1521 "%s hardware based encryption for keyidx: %d, mac: %pM\n", 1522 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, 1523 sta ? sta->addr : bcast_addr); 1524 rtlpriv->sec.being_setkey = true; 1525 rtl_ips_nic_on(hw); 1526 mutex_lock(&rtlpriv->locks.conf_mutex); 1527 /* <1> get encryption alg */ 1528 1529 switch (key->cipher) { 1530 case WLAN_CIPHER_SUITE_WEP40: 1531 key_type = WEP40_ENCRYPTION; 1532 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); 1533 break; 1534 case WLAN_CIPHER_SUITE_WEP104: 1535 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); 1536 key_type = WEP104_ENCRYPTION; 1537 break; 1538 case WLAN_CIPHER_SUITE_TKIP: 1539 key_type = TKIP_ENCRYPTION; 1540 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); 1541 break; 1542 case WLAN_CIPHER_SUITE_CCMP: 1543 key_type = AESCCMP_ENCRYPTION; 1544 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); 1545 break; 1546 case WLAN_CIPHER_SUITE_AES_CMAC: 1547 /* HW don't support CMAC encryption, 1548 * use software CMAC encryption 1549 */ 1550 key_type = AESCMAC_ENCRYPTION; 1551 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); 1552 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1553 "HW don't support CMAC encryption, use software CMAC encryption\n"); 1554 err = -EOPNOTSUPP; 1555 goto out_unlock; 1556 default: 1557 pr_err("alg_err:%x!!!!:\n", key->cipher); 1558 goto out_unlock; 1559 } 1560 if (key_type == WEP40_ENCRYPTION || 1561 key_type == WEP104_ENCRYPTION || 1562 vif->type == NL80211_IFTYPE_ADHOC) 1563 rtlpriv->sec.use_defaultkey = true; 1564 1565 /* <2> get key_idx */ 1566 key_idx = (u8) (key->keyidx); 1567 if (key_idx > 3) 1568 goto out_unlock; 1569 /* <3> if pairwise key enable_hw_sec */ 1570 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); 1571 1572 /* wep always be group key, but there are two conditions: 1573 * 1) wep only: is just for wep enc, in this condition 1574 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION 1575 * will be true & enable_hw_sec will be set when wep 1576 * ke setting. 1577 * 2) wep(group) + AES(pairwise): some AP like cisco 1578 * may use it, in this condition enable_hw_sec will not 1579 * be set when wep key setting */ 1580 /* we must reset sec_info after lingked before set key, 1581 * or some flag will be wrong*/ 1582 if (vif->type == NL80211_IFTYPE_AP || 1583 vif->type == NL80211_IFTYPE_MESH_POINT) { 1584 if (!group_key || key_type == WEP40_ENCRYPTION || 1585 key_type == WEP104_ENCRYPTION) { 1586 if (group_key) 1587 wep_only = true; 1588 rtlpriv->cfg->ops->enable_hw_sec(hw); 1589 } 1590 } else { 1591 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || 1592 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { 1593 if (rtlpriv->sec.pairwise_enc_algorithm == 1594 NO_ENCRYPTION && 1595 (key_type == WEP40_ENCRYPTION || 1596 key_type == WEP104_ENCRYPTION)) 1597 wep_only = true; 1598 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1599 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1600 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", 1601 key_type); 1602 rtlpriv->cfg->ops->enable_hw_sec(hw); 1603 } 1604 } 1605 /* <4> set key based on cmd */ 1606 switch (cmd) { 1607 case SET_KEY: 1608 if (wep_only) { 1609 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1610 "set WEP(group/pairwise) key\n"); 1611 /* Pairwise key with an assigned MAC address. */ 1612 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1613 rtlpriv->sec.group_enc_algorithm = key_type; 1614 /*set local buf about wep key. */ 1615 memcpy(rtlpriv->sec.key_buf[key_idx], 1616 key->key, key->keylen); 1617 rtlpriv->sec.key_len[key_idx] = key->keylen; 1618 eth_zero_addr(mac_addr); 1619 } else if (group_key) { /* group key */ 1620 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1621 "set group key\n"); 1622 /* group key */ 1623 rtlpriv->sec.group_enc_algorithm = key_type; 1624 /*set local buf about group key. */ 1625 memcpy(rtlpriv->sec.key_buf[key_idx], 1626 key->key, key->keylen); 1627 rtlpriv->sec.key_len[key_idx] = key->keylen; 1628 eth_broadcast_addr(mac_addr); 1629 } else { /* pairwise key */ 1630 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1631 "set pairwise key\n"); 1632 if (!sta) { 1633 WARN_ONCE(true, 1634 "rtlwifi: pairwise key without mac_addr\n"); 1635 1636 err = -EOPNOTSUPP; 1637 goto out_unlock; 1638 } 1639 /* Pairwise key with an assigned MAC address. */ 1640 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1641 /*set local buf about pairwise key. */ 1642 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], 1643 key->key, key->keylen); 1644 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; 1645 rtlpriv->sec.pairwise_key = 1646 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; 1647 memcpy(mac_addr, sta->addr, ETH_ALEN); 1648 } 1649 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, 1650 group_key, key_type, wep_only, 1651 false); 1652 /* <5> tell mac80211 do something: */ 1653 /*must use sw generate IV, or can not work !!!!. */ 1654 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 1655 key->hw_key_idx = key_idx; 1656 if (key_type == TKIP_ENCRYPTION) 1657 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 1658 /*use software CCMP encryption for management frames (MFP) */ 1659 if (key_type == AESCCMP_ENCRYPTION) 1660 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 1661 break; 1662 case DISABLE_KEY: 1663 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1664 "disable key delete one entry\n"); 1665 /*set local buf about wep key. */ 1666 if (vif->type == NL80211_IFTYPE_AP || 1667 vif->type == NL80211_IFTYPE_MESH_POINT) { 1668 if (sta) 1669 rtl_cam_del_entry(hw, sta->addr); 1670 } 1671 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); 1672 rtlpriv->sec.key_len[key_idx] = 0; 1673 eth_zero_addr(mac_addr); 1674 /* 1675 *mac80211 will delete entries one by one, 1676 *so don't use rtl_cam_reset_all_entry 1677 *or clear all entry here. 1678 */ 1679 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ 1680 1681 rtl_cam_delete_one_entry(hw, mac_addr, key_idx); 1682 break; 1683 default: 1684 pr_err("cmd_err:%x!!!!:\n", cmd); 1685 } 1686 out_unlock: 1687 mutex_unlock(&rtlpriv->locks.conf_mutex); 1688 rtlpriv->sec.being_setkey = false; 1689 return err; 1690 } 1691 1692 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) 1693 { 1694 struct rtl_priv *rtlpriv = rtl_priv(hw); 1695 1696 bool radio_state; 1697 bool blocked; 1698 u8 valid = 0; 1699 1700 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1701 return; 1702 1703 mutex_lock(&rtlpriv->locks.conf_mutex); 1704 1705 /*if Radio On return true here */ 1706 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 1707 1708 if (valid) { 1709 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { 1710 rtlpriv->rfkill.rfkill_state = radio_state; 1711 1712 rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, 1713 "wireless radio switch turned %s\n", 1714 radio_state ? "on" : "off"); 1715 1716 blocked = !rtlpriv->rfkill.rfkill_state; 1717 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1718 } 1719 } 1720 1721 mutex_unlock(&rtlpriv->locks.conf_mutex); 1722 } 1723 1724 /* this function is called by mac80211 to flush tx buffer 1725 * before switch channle or power save, or tx buffer packet 1726 * maybe send after offchannel or rf sleep, this may cause 1727 * dis-association by AP */ 1728 static void rtl_op_flush(struct ieee80211_hw *hw, 1729 struct ieee80211_vif *vif, 1730 u32 queues, 1731 bool drop) 1732 { 1733 struct rtl_priv *rtlpriv = rtl_priv(hw); 1734 1735 if (rtlpriv->intf_ops->flush) 1736 rtlpriv->intf_ops->flush(hw, queues, drop); 1737 } 1738 1739 static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 1740 bool set) 1741 { 1742 struct rtl_priv *rtlpriv = rtl_priv(hw); 1743 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1744 1745 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU) 1746 schedule_work(&rtlpriv->works.update_beacon_work); 1747 1748 return 0; 1749 } 1750 1751 /* Description: 1752 * This routine deals with the Power Configuration CMD 1753 * parsing for RTL8723/RTL8188E Series IC. 1754 * Assumption: 1755 * We should follow specific format that was released from HW SD. 1756 */ 1757 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, 1758 u8 faversion, u8 interface_type, 1759 struct wlan_pwr_cfg pwrcfgcmd[]) 1760 { 1761 struct wlan_pwr_cfg cfg_cmd; 1762 bool polling_bit = false; 1763 u32 ary_idx = 0; 1764 u8 value = 0; 1765 u32 offset = 0; 1766 u32 polling_count = 0; 1767 u32 max_polling_cnt = 5000; 1768 1769 do { 1770 cfg_cmd = pwrcfgcmd[ary_idx]; 1771 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1772 "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", 1773 __func__, 1774 GET_PWR_CFG_OFFSET(cfg_cmd), 1775 GET_PWR_CFG_CUT_MASK(cfg_cmd), 1776 GET_PWR_CFG_FAB_MASK(cfg_cmd), 1777 GET_PWR_CFG_INTF_MASK(cfg_cmd), 1778 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), 1779 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); 1780 1781 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && 1782 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && 1783 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { 1784 switch (GET_PWR_CFG_CMD(cfg_cmd)) { 1785 case PWR_CMD_READ: 1786 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1787 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); 1788 break; 1789 case PWR_CMD_WRITE: 1790 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1791 "%s(): PWR_CMD_WRITE\n", __func__); 1792 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1793 1794 /*Read the value from system register*/ 1795 value = rtl_read_byte(rtlpriv, offset); 1796 value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); 1797 value |= (GET_PWR_CFG_VALUE(cfg_cmd) & 1798 GET_PWR_CFG_MASK(cfg_cmd)); 1799 1800 /*Write the value back to system register*/ 1801 rtl_write_byte(rtlpriv, offset, value); 1802 break; 1803 case PWR_CMD_POLLING: 1804 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1805 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); 1806 polling_bit = false; 1807 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1808 1809 do { 1810 value = rtl_read_byte(rtlpriv, offset); 1811 1812 value &= GET_PWR_CFG_MASK(cfg_cmd); 1813 if (value == 1814 (GET_PWR_CFG_VALUE(cfg_cmd) & 1815 GET_PWR_CFG_MASK(cfg_cmd))) 1816 polling_bit = true; 1817 else 1818 udelay(10); 1819 1820 if (polling_count++ > max_polling_cnt) 1821 return false; 1822 } while (!polling_bit); 1823 break; 1824 case PWR_CMD_DELAY: 1825 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1826 "%s: PWR_CMD_DELAY\n", __func__); 1827 if (GET_PWR_CFG_VALUE(cfg_cmd) == 1828 PWRSEQ_DELAY_US) 1829 udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1830 else 1831 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1832 break; 1833 case PWR_CMD_END: 1834 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1835 "%s: PWR_CMD_END\n", __func__); 1836 return true; 1837 default: 1838 WARN_ONCE(true, 1839 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); 1840 break; 1841 } 1842 } 1843 ary_idx++; 1844 } while (1); 1845 1846 return true; 1847 } 1848 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); 1849 1850 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 1851 { 1852 struct rtl_priv *rtlpriv = rtl_priv(hw); 1853 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 1854 struct rtl8192_tx_ring *ring; 1855 struct rtl_tx_desc *pdesc; 1856 unsigned long flags; 1857 struct sk_buff *pskb = NULL; 1858 1859 ring = &rtlpci->tx_ring[BEACON_QUEUE]; 1860 1861 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); 1862 pskb = __skb_dequeue(&ring->queue); 1863 if (pskb) 1864 dev_kfree_skb_irq(pskb); 1865 1866 /*this is wrong, fill_tx_cmddesc needs update*/ 1867 pdesc = &ring->desc[0]; 1868 1869 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, skb); 1870 1871 __skb_queue_tail(&ring->queue, skb); 1872 1873 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); 1874 1875 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); 1876 1877 return true; 1878 } 1879 EXPORT_SYMBOL(rtl_cmd_send_packet); 1880 1881 void rtl_init_sw_leds(struct ieee80211_hw *hw) 1882 { 1883 struct rtl_priv *rtlpriv = rtl_priv(hw); 1884 1885 rtlpriv->ledctl.sw_led0 = LED_PIN_LED0; 1886 rtlpriv->ledctl.sw_led1 = LED_PIN_LED1; 1887 } 1888 EXPORT_SYMBOL(rtl_init_sw_leds); 1889 1890 const struct ieee80211_ops rtl_ops = { 1891 .add_chanctx = ieee80211_emulate_add_chanctx, 1892 .remove_chanctx = ieee80211_emulate_remove_chanctx, 1893 .change_chanctx = ieee80211_emulate_change_chanctx, 1894 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 1895 .start = rtl_op_start, 1896 .stop = rtl_op_stop, 1897 .tx = rtl_op_tx, 1898 .wake_tx_queue = ieee80211_handle_wake_tx_queue, 1899 .add_interface = rtl_op_add_interface, 1900 .remove_interface = rtl_op_remove_interface, 1901 .change_interface = rtl_op_change_interface, 1902 #ifdef CONFIG_PM 1903 .suspend = rtl_op_suspend, 1904 .resume = rtl_op_resume, 1905 #endif 1906 .config = rtl_op_config, 1907 .configure_filter = rtl_op_configure_filter, 1908 .set_key = rtl_op_set_key, 1909 .conf_tx = rtl_op_conf_tx, 1910 .bss_info_changed = rtl_op_bss_info_changed, 1911 .get_tsf = rtl_op_get_tsf, 1912 .set_tsf = rtl_op_set_tsf, 1913 .reset_tsf = rtl_op_reset_tsf, 1914 .sta_notify = rtl_op_sta_notify, 1915 .ampdu_action = rtl_op_ampdu_action, 1916 .sw_scan_start = rtl_op_sw_scan_start, 1917 .sw_scan_complete = rtl_op_sw_scan_complete, 1918 .rfkill_poll = rtl_op_rfkill_poll, 1919 .sta_add = rtl_op_sta_add, 1920 .sta_remove = rtl_op_sta_remove, 1921 .flush = rtl_op_flush, 1922 .set_tim = rtl_op_set_tim, 1923 }; 1924 EXPORT_SYMBOL_GPL(rtl_ops); 1925 1926 bool rtl_btc_status_false(void) 1927 { 1928 return false; 1929 } 1930 EXPORT_SYMBOL_GPL(rtl_btc_status_false); 1931 1932 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) 1933 { 1934 struct rtl_priv *rtlpriv = rtl_priv(hw); 1935 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 1936 1937 dm_digtable->dig_enable_flag = true; 1938 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 1939 dm_digtable->cur_igvalue = cur_igvalue; 1940 dm_digtable->pre_igvalue = 0; 1941 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; 1942 dm_digtable->presta_cstate = DIG_STA_DISCONNECT; 1943 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 1944 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; 1945 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; 1946 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; 1947 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; 1948 dm_digtable->rx_gain_max = DM_DIG_MAX; 1949 dm_digtable->rx_gain_min = DM_DIG_MIN; 1950 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 1951 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; 1952 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; 1953 dm_digtable->pre_cck_cca_thres = 0xff; 1954 dm_digtable->cur_cck_cca_thres = 0x83; 1955 dm_digtable->forbidden_igi = DM_DIG_MIN; 1956 dm_digtable->large_fa_hit = 0; 1957 dm_digtable->recover_cnt = 0; 1958 dm_digtable->dig_min_0 = 0x25; 1959 dm_digtable->dig_min_1 = 0x25; 1960 dm_digtable->media_connect_0 = false; 1961 dm_digtable->media_connect_1 = false; 1962 rtlpriv->dm.dm_initialgain_enable = true; 1963 dm_digtable->bt30_cur_igi = 0x32; 1964 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; 1965 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; 1966 dm_digtable->pre_cck_fa_state = 0; 1967 dm_digtable->cur_cck_fa_state = 0; 1968 } 1969 EXPORT_SYMBOL(rtl_dm_diginit); 1970