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) 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); 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_RETRY_LIMITS) { 637 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 638 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", 639 hw->conf.long_frame_max_tx_count); 640 /* brought up everything changes (changed == ~0) indicates first 641 * open, so use our default value instead of that of wiphy. 642 */ 643 if (changed != ~0) { 644 mac->retry_long = hw->conf.long_frame_max_tx_count; 645 mac->retry_short = hw->conf.long_frame_max_tx_count; 646 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 647 (u8 *)(&hw->conf.long_frame_max_tx_count)); 648 } 649 } 650 651 if (changed & IEEE80211_CONF_CHANGE_CHANNEL && 652 !rtlpriv->proximity.proxim_on) { 653 struct ieee80211_channel *channel = hw->conf.chandef.chan; 654 enum nl80211_chan_width width = hw->conf.chandef.width; 655 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; 656 u8 wide_chan = (u8) channel->hw_value; 657 658 /* channel_type is for 20&40M */ 659 if (width < NL80211_CHAN_WIDTH_80) 660 channel_type = 661 cfg80211_get_chandef_type(&hw->conf.chandef); 662 if (mac->act_scanning) 663 mac->n_channels++; 664 665 /* 666 *because we should back channel to 667 *current_network.chan in scanning, 668 *So if set_chan == current_network.chan 669 *we should set it. 670 *because mac80211 tell us wrong bw40 671 *info for cisco1253 bw20, so we modify 672 *it here based on UPPER & LOWER 673 */ 674 675 if (width >= NL80211_CHAN_WIDTH_80) { 676 if (width == NL80211_CHAN_WIDTH_80) { 677 u32 center = hw->conf.chandef.center_freq1; 678 u32 primary = 679 (u32)hw->conf.chandef.chan->center_freq; 680 681 rtlphy->current_chan_bw = 682 HT_CHANNEL_WIDTH_80; 683 mac->bw_80 = true; 684 mac->bw_40 = true; 685 if (center > primary) { 686 mac->cur_80_prime_sc = 687 PRIME_CHNL_OFFSET_LOWER; 688 if (center - primary == 10) { 689 mac->cur_40_prime_sc = 690 PRIME_CHNL_OFFSET_UPPER; 691 692 wide_chan += 2; 693 } else if (center - primary == 30) { 694 mac->cur_40_prime_sc = 695 PRIME_CHNL_OFFSET_LOWER; 696 697 wide_chan += 6; 698 } 699 } else { 700 mac->cur_80_prime_sc = 701 PRIME_CHNL_OFFSET_UPPER; 702 if (primary - center == 10) { 703 mac->cur_40_prime_sc = 704 PRIME_CHNL_OFFSET_LOWER; 705 706 wide_chan -= 2; 707 } else if (primary - center == 30) { 708 mac->cur_40_prime_sc = 709 PRIME_CHNL_OFFSET_UPPER; 710 711 wide_chan -= 6; 712 } 713 } 714 } 715 } else { 716 switch (channel_type) { 717 case NL80211_CHAN_HT20: 718 case NL80211_CHAN_NO_HT: 719 /* SC */ 720 mac->cur_40_prime_sc = 721 PRIME_CHNL_OFFSET_DONT_CARE; 722 rtlphy->current_chan_bw = 723 HT_CHANNEL_WIDTH_20; 724 mac->bw_40 = false; 725 mac->bw_80 = false; 726 break; 727 case NL80211_CHAN_HT40MINUS: 728 /* SC */ 729 mac->cur_40_prime_sc = 730 PRIME_CHNL_OFFSET_UPPER; 731 rtlphy->current_chan_bw = 732 HT_CHANNEL_WIDTH_20_40; 733 mac->bw_40 = true; 734 mac->bw_80 = false; 735 736 /*wide channel */ 737 wide_chan -= 2; 738 739 break; 740 case NL80211_CHAN_HT40PLUS: 741 /* SC */ 742 mac->cur_40_prime_sc = 743 PRIME_CHNL_OFFSET_LOWER; 744 rtlphy->current_chan_bw = 745 HT_CHANNEL_WIDTH_20_40; 746 mac->bw_40 = true; 747 mac->bw_80 = false; 748 749 /*wide channel */ 750 wide_chan += 2; 751 752 break; 753 default: 754 mac->bw_40 = false; 755 mac->bw_80 = false; 756 pr_err("switch case %#x not processed\n", 757 channel_type); 758 break; 759 } 760 } 761 762 if (wide_chan <= 0) 763 wide_chan = 1; 764 765 /* In scanning, when before we offchannel we may send a ps=1 766 * null to AP, and then we may send a ps = 0 null to AP quickly, 767 * but first null may have caused AP to put lots of packet to 768 * hw tx buffer. These packets must be tx'd before we go off 769 * channel so we must delay more time to let AP flush these 770 * packets before going offchannel, or dis-association or 771 * delete BA will be caused by AP 772 */ 773 if (rtlpriv->mac80211.offchan_delay) { 774 rtlpriv->mac80211.offchan_delay = false; 775 mdelay(50); 776 } 777 778 rtlphy->current_channel = wide_chan; 779 780 rtlpriv->cfg->ops->switch_channel(hw); 781 rtlpriv->cfg->ops->set_channel_access(hw); 782 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type); 783 } 784 785 mutex_unlock(&rtlpriv->locks.conf_mutex); 786 787 return 0; 788 } 789 790 static void rtl_op_configure_filter(struct ieee80211_hw *hw, 791 unsigned int changed_flags, 792 unsigned int *new_flags, u64 multicast) 793 { 794 bool update_rcr = false; 795 struct rtl_priv *rtlpriv = rtl_priv(hw); 796 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 797 798 *new_flags &= RTL_SUPPORTED_FILTERS; 799 if (0 == changed_flags) 800 return; 801 802 /*TODO: we disable broadcast now, so enable here */ 803 if (changed_flags & FIF_ALLMULTI) { 804 if (*new_flags & FIF_ALLMULTI) { 805 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | 806 rtlpriv->cfg->maps[MAC_RCR_AB]; 807 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 808 "Enable receive multicast frame\n"); 809 } else { 810 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | 811 rtlpriv->cfg->maps[MAC_RCR_AB]); 812 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 813 "Disable receive multicast frame\n"); 814 } 815 update_rcr = true; 816 } 817 818 if (changed_flags & FIF_FCSFAIL) { 819 if (*new_flags & FIF_FCSFAIL) { 820 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 821 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 822 "Enable receive FCS error frame\n"); 823 } else { 824 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 825 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 826 "Disable receive FCS error frame\n"); 827 } 828 if (!update_rcr) 829 update_rcr = true; 830 } 831 832 /* if ssid not set to hw don't check bssid 833 * here just used for linked scanning, & linked 834 * and nolink check bssid is set in set network_type 835 */ 836 if (changed_flags & FIF_BCN_PRBRESP_PROMISC && 837 mac->link_state >= MAC80211_LINKED) { 838 if (mac->opmode != NL80211_IFTYPE_AP && 839 mac->opmode != NL80211_IFTYPE_MESH_POINT) { 840 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 841 rtlpriv->cfg->ops->set_chk_bssid(hw, false); 842 else 843 rtlpriv->cfg->ops->set_chk_bssid(hw, true); 844 if (update_rcr) 845 update_rcr = false; 846 } 847 } 848 849 if (changed_flags & FIF_CONTROL) { 850 if (*new_flags & FIF_CONTROL) { 851 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; 852 853 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 854 "Enable receive control frame.\n"); 855 } else { 856 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; 857 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 858 "Disable receive control frame.\n"); 859 } 860 if (!update_rcr) 861 update_rcr = true; 862 } 863 864 if (changed_flags & FIF_OTHER_BSS) { 865 if (*new_flags & FIF_OTHER_BSS) { 866 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; 867 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 868 "Enable receive other BSS's frame.\n"); 869 } else { 870 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; 871 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 872 "Disable receive other BSS's frame.\n"); 873 } 874 if (!update_rcr) 875 update_rcr = true; 876 } 877 878 if (update_rcr) 879 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, 880 (u8 *)(&mac->rx_conf)); 881 } 882 883 static int rtl_op_sta_add(struct ieee80211_hw *hw, 884 struct ieee80211_vif *vif, 885 struct ieee80211_sta *sta) 886 { 887 struct rtl_priv *rtlpriv = rtl_priv(hw); 888 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 889 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 890 struct rtl_sta_info *sta_entry; 891 892 if (sta) { 893 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 894 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 895 list_add_tail(&sta_entry->list, &rtlpriv->entry_list); 896 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 897 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 898 sta_entry->wireless_mode = WIRELESS_MODE_G; 899 if (sta->deflink.supp_rates[0] <= 0xf) 900 sta_entry->wireless_mode = WIRELESS_MODE_B; 901 if (sta->deflink.ht_cap.ht_supported) 902 sta_entry->wireless_mode = WIRELESS_MODE_N_24G; 903 904 if (vif->type == NL80211_IFTYPE_ADHOC) 905 sta_entry->wireless_mode = WIRELESS_MODE_G; 906 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 907 sta_entry->wireless_mode = WIRELESS_MODE_A; 908 if (sta->deflink.ht_cap.ht_supported) 909 sta_entry->wireless_mode = WIRELESS_MODE_N_5G; 910 if (sta->deflink.vht_cap.vht_supported) 911 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G; 912 913 if (vif->type == NL80211_IFTYPE_ADHOC) 914 sta_entry->wireless_mode = WIRELESS_MODE_A; 915 } 916 /*disable cck rate for p2p*/ 917 if (mac->p2p) 918 sta->deflink.supp_rates[0] &= 0xfffffff0; 919 920 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); 921 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 922 "Add sta addr is %pM\n", sta->addr); 923 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); 924 } 925 926 return 0; 927 } 928 929 static int rtl_op_sta_remove(struct ieee80211_hw *hw, 930 struct ieee80211_vif *vif, 931 struct ieee80211_sta *sta) 932 { 933 struct rtl_priv *rtlpriv = rtl_priv(hw); 934 struct rtl_sta_info *sta_entry; 935 936 if (sta) { 937 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 938 "Remove sta addr is %pM\n", sta->addr); 939 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 940 sta_entry->wireless_mode = 0; 941 sta_entry->ratr_index = 0; 942 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 943 list_del(&sta_entry->list); 944 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 945 } 946 return 0; 947 } 948 949 static int _rtl_get_hal_qnum(u16 queue) 950 { 951 int qnum; 952 953 switch (queue) { 954 case 0: 955 qnum = AC3_VO; 956 break; 957 case 1: 958 qnum = AC2_VI; 959 break; 960 case 2: 961 qnum = AC0_BE; 962 break; 963 case 3: 964 qnum = AC1_BK; 965 break; 966 default: 967 qnum = AC0_BE; 968 break; 969 } 970 return qnum; 971 } 972 973 /* 974 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 975 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 976 */ 977 static int rtl_op_conf_tx(struct ieee80211_hw *hw, 978 struct ieee80211_vif *vif, 979 unsigned int link_id, u16 queue, 980 const struct ieee80211_tx_queue_params *param) 981 { 982 struct rtl_priv *rtlpriv = rtl_priv(hw); 983 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 984 int aci; 985 986 if (queue >= AC_MAX) { 987 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 988 "queue number %d is incorrect!\n", queue); 989 return -EINVAL; 990 } 991 992 aci = _rtl_get_hal_qnum(queue); 993 mac->ac[aci].aifs = param->aifs; 994 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); 995 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); 996 mac->ac[aci].tx_op = cpu_to_le16(param->txop); 997 memcpy(&mac->edca_param[aci], param, sizeof(*param)); 998 rtlpriv->cfg->ops->set_qos(hw, aci); 999 return 0; 1000 } 1001 1002 static void send_beacon_frame(struct ieee80211_hw *hw, 1003 struct ieee80211_vif *vif) 1004 { 1005 struct rtl_priv *rtlpriv = rtl_priv(hw); 1006 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0); 1007 struct rtl_tcb_desc tcb_desc; 1008 1009 if (skb) { 1010 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1011 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); 1012 } 1013 } 1014 1015 void rtl_update_beacon_work_callback(struct work_struct *work) 1016 { 1017 struct rtl_works *rtlworks = 1018 container_of(work, struct rtl_works, update_beacon_work); 1019 struct ieee80211_hw *hw = rtlworks->hw; 1020 struct rtl_priv *rtlpriv = rtl_priv(hw); 1021 struct ieee80211_vif *vif = rtlpriv->mac80211.vif; 1022 1023 if (!vif) { 1024 WARN_ONCE(true, "no vif to update beacon\n"); 1025 return; 1026 } 1027 1028 mutex_lock(&rtlpriv->locks.conf_mutex); 1029 send_beacon_frame(hw, vif); 1030 mutex_unlock(&rtlpriv->locks.conf_mutex); 1031 } 1032 EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback); 1033 1034 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, 1035 struct ieee80211_vif *vif, 1036 struct ieee80211_bss_conf *bss_conf, 1037 u64 changed) 1038 { 1039 struct rtl_priv *rtlpriv = rtl_priv(hw); 1040 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 1041 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1042 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1043 1044 mutex_lock(&rtlpriv->locks.conf_mutex); 1045 if (vif->type == NL80211_IFTYPE_ADHOC || 1046 vif->type == NL80211_IFTYPE_AP || 1047 vif->type == NL80211_IFTYPE_MESH_POINT) { 1048 if (changed & BSS_CHANGED_BEACON || 1049 (changed & BSS_CHANGED_BEACON_ENABLED && 1050 bss_conf->enable_beacon)) { 1051 if (mac->beacon_enabled == 0) { 1052 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1053 "BSS_CHANGED_BEACON_ENABLED\n"); 1054 1055 /*start hw beacon interrupt. */ 1056 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ 1057 mac->beacon_enabled = 1; 1058 rtlpriv->cfg->ops->update_interrupt_mask(hw, 1059 rtlpriv->cfg->maps 1060 [RTL_IBSS_INT_MASKS], 0); 1061 1062 if (rtlpriv->cfg->ops->linked_set_reg) 1063 rtlpriv->cfg->ops->linked_set_reg(hw); 1064 send_beacon_frame(hw, vif); 1065 } 1066 } 1067 if ((changed & BSS_CHANGED_BEACON_ENABLED && 1068 !bss_conf->enable_beacon)) { 1069 if (mac->beacon_enabled == 1) { 1070 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1071 "ADHOC DISABLE BEACON\n"); 1072 1073 mac->beacon_enabled = 0; 1074 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 1075 rtlpriv->cfg->maps 1076 [RTL_IBSS_INT_MASKS]); 1077 } 1078 } 1079 if (changed & BSS_CHANGED_BEACON_INT) { 1080 rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE, 1081 "BSS_CHANGED_BEACON_INT\n"); 1082 mac->beacon_interval = bss_conf->beacon_int; 1083 rtlpriv->cfg->ops->set_bcn_intv(hw); 1084 } 1085 } 1086 1087 /*TODO: reference to enum ieee80211_bss_change */ 1088 if (changed & BSS_CHANGED_ASSOC) { 1089 u8 mstatus; 1090 1091 if (vif->cfg.assoc) { 1092 struct ieee80211_sta *sta = NULL; 1093 u8 keep_alive = 10; 1094 1095 mstatus = RT_MEDIA_CONNECT; 1096 /* we should reset all sec info & cam 1097 * before set cam after linked, we should not 1098 * reset in disassoc, that will cause tkip->wep 1099 * fail because some flag will be wrong */ 1100 /* reset sec info */ 1101 rtl_cam_reset_sec_info(hw); 1102 /* reset cam to fix wep fail issue 1103 * when change from wpa to wep */ 1104 rtl_cam_reset_all_entry(hw); 1105 1106 mac->link_state = MAC80211_LINKED; 1107 mac->cnt_after_linked = 0; 1108 mac->assoc_id = vif->cfg.aid; 1109 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1110 1111 if (rtlpriv->cfg->ops->linked_set_reg) 1112 rtlpriv->cfg->ops->linked_set_reg(hw); 1113 1114 rcu_read_lock(); 1115 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1116 if (!sta) { 1117 rcu_read_unlock(); 1118 goto out; 1119 } 1120 rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, 1121 "send PS STATIC frame\n"); 1122 if (rtlpriv->dm.supp_phymode_switch) { 1123 if (sta->deflink.ht_cap.ht_supported) 1124 rtl_send_smps_action(hw, sta, 1125 IEEE80211_SMPS_STATIC); 1126 } 1127 1128 if (rtlhal->current_bandtype == BAND_ON_5G) { 1129 mac->mode = WIRELESS_MODE_A; 1130 } else { 1131 if (sta->deflink.supp_rates[0] <= 0xf) 1132 mac->mode = WIRELESS_MODE_B; 1133 else 1134 mac->mode = WIRELESS_MODE_G; 1135 } 1136 1137 if (sta->deflink.ht_cap.ht_supported) { 1138 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1139 mac->mode = WIRELESS_MODE_N_24G; 1140 else 1141 mac->mode = WIRELESS_MODE_N_5G; 1142 } 1143 1144 if (sta->deflink.vht_cap.vht_supported) { 1145 if (rtlhal->current_bandtype == BAND_ON_5G) 1146 mac->mode = WIRELESS_MODE_AC_5G; 1147 else 1148 mac->mode = WIRELESS_MODE_AC_24G; 1149 } 1150 1151 if (vif->type == NL80211_IFTYPE_STATION) 1152 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, 1153 true); 1154 rcu_read_unlock(); 1155 1156 /* to avoid AP Disassociation caused by inactivity */ 1157 rtlpriv->cfg->ops->set_hw_reg(hw, 1158 HW_VAR_KEEP_ALIVE, 1159 (u8 *)(&keep_alive)); 1160 1161 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1162 "BSS_CHANGED_ASSOC\n"); 1163 } else { 1164 struct cfg80211_bss *bss = NULL; 1165 1166 mstatus = RT_MEDIA_DISCONNECT; 1167 1168 if (mac->link_state == MAC80211_LINKED) 1169 rtl_lps_leave(hw, true); 1170 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) 1171 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); 1172 mac->link_state = MAC80211_NOLINK; 1173 1174 bss = cfg80211_get_bss(hw->wiphy, NULL, 1175 (u8 *)mac->bssid, NULL, 0, 1176 IEEE80211_BSS_TYPE_ESS, 1177 IEEE80211_PRIVACY_OFF); 1178 1179 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1180 "bssid = %pMF\n", mac->bssid); 1181 1182 if (bss) { 1183 cfg80211_unlink_bss(hw->wiphy, bss); 1184 cfg80211_put_bss(hw->wiphy, bss); 1185 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1186 "cfg80211_unlink !!\n"); 1187 } 1188 1189 eth_zero_addr(mac->bssid); 1190 mac->vendor = PEER_UNKNOWN; 1191 mac->mode = 0; 1192 1193 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1194 "BSS_CHANGED_UN_ASSOC\n"); 1195 } 1196 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 1197 /* For FW LPS: 1198 * To tell firmware we have connected or disconnected 1199 */ 1200 rtlpriv->cfg->ops->set_hw_reg(hw, 1201 HW_VAR_H2C_FW_JOINBSSRPT, 1202 (u8 *)(&mstatus)); 1203 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? 1204 true : false; 1205 1206 if (rtlpriv->cfg->ops->get_btc_status()) 1207 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( 1208 rtlpriv, mstatus); 1209 } 1210 1211 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 1212 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1213 "BSS_CHANGED_ERP_CTS_PROT\n"); 1214 mac->use_cts_protect = bss_conf->use_cts_prot; 1215 } 1216 1217 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 1218 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 1219 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", 1220 bss_conf->use_short_preamble); 1221 1222 mac->short_preamble = bss_conf->use_short_preamble; 1223 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, 1224 (u8 *)(&mac->short_preamble)); 1225 } 1226 1227 if (changed & BSS_CHANGED_ERP_SLOT) { 1228 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1229 "BSS_CHANGED_ERP_SLOT\n"); 1230 1231 if (bss_conf->use_short_slot) 1232 mac->slot_time = RTL_SLOT_TIME_9; 1233 else 1234 mac->slot_time = RTL_SLOT_TIME_20; 1235 1236 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, 1237 (u8 *)(&mac->slot_time)); 1238 } 1239 1240 if (changed & BSS_CHANGED_HT) { 1241 struct ieee80211_sta *sta = NULL; 1242 1243 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1244 "BSS_CHANGED_HT\n"); 1245 1246 rcu_read_lock(); 1247 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1248 if (sta) { 1249 if (sta->deflink.ht_cap.ampdu_density > 1250 mac->current_ampdu_density) 1251 mac->current_ampdu_density = 1252 sta->deflink.ht_cap.ampdu_density; 1253 if (sta->deflink.ht_cap.ampdu_factor < 1254 mac->current_ampdu_factor) 1255 mac->current_ampdu_factor = 1256 sta->deflink.ht_cap.ampdu_factor; 1257 } 1258 rcu_read_unlock(); 1259 1260 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, 1261 (u8 *)(&mac->max_mss_density)); 1262 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, 1263 &mac->current_ampdu_factor); 1264 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, 1265 &mac->current_ampdu_density); 1266 } 1267 1268 if (changed & BSS_CHANGED_BSSID) { 1269 u32 basic_rates; 1270 struct ieee80211_sta *sta = NULL; 1271 1272 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, 1273 (u8 *)bss_conf->bssid); 1274 1275 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1276 "bssid: %pM\n", bss_conf->bssid); 1277 1278 mac->vendor = PEER_UNKNOWN; 1279 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1280 1281 rcu_read_lock(); 1282 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1283 if (!sta) { 1284 rcu_read_unlock(); 1285 goto out; 1286 } 1287 1288 if (rtlhal->current_bandtype == BAND_ON_5G) { 1289 mac->mode = WIRELESS_MODE_A; 1290 } else { 1291 if (sta->deflink.supp_rates[0] <= 0xf) 1292 mac->mode = WIRELESS_MODE_B; 1293 else 1294 mac->mode = WIRELESS_MODE_G; 1295 } 1296 1297 if (sta->deflink.ht_cap.ht_supported) { 1298 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1299 mac->mode = WIRELESS_MODE_N_24G; 1300 else 1301 mac->mode = WIRELESS_MODE_N_5G; 1302 } 1303 1304 if (sta->deflink.vht_cap.vht_supported) { 1305 if (rtlhal->current_bandtype == BAND_ON_5G) 1306 mac->mode = WIRELESS_MODE_AC_5G; 1307 else 1308 mac->mode = WIRELESS_MODE_AC_24G; 1309 } 1310 1311 /* just station need it, because ibss & ap mode will 1312 * set in sta_add, and will be NULL here */ 1313 if (vif->type == NL80211_IFTYPE_STATION) { 1314 struct rtl_sta_info *sta_entry; 1315 1316 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1317 sta_entry->wireless_mode = mac->mode; 1318 } 1319 1320 if (sta->deflink.ht_cap.ht_supported) { 1321 mac->ht_enable = true; 1322 1323 /* 1324 * for cisco 1252 bw20 it's wrong 1325 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { 1326 * mac->bw_40 = true; 1327 * } 1328 * */ 1329 } 1330 1331 if (sta->deflink.vht_cap.vht_supported) 1332 mac->vht_enable = true; 1333 1334 if (changed & BSS_CHANGED_BASIC_RATES) { 1335 /* for 5G must << RATE_6M_INDEX = 4, 1336 * because 5G have no cck rate*/ 1337 if (rtlhal->current_bandtype == BAND_ON_5G) 1338 basic_rates = sta->deflink.supp_rates[1] << 4; 1339 else 1340 basic_rates = sta->deflink.supp_rates[0]; 1341 1342 mac->basic_rates = basic_rates; 1343 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 1344 (u8 *)(&basic_rates)); 1345 } 1346 rcu_read_unlock(); 1347 } 1348 out: 1349 mutex_unlock(&rtlpriv->locks.conf_mutex); 1350 } 1351 1352 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1353 { 1354 struct rtl_priv *rtlpriv = rtl_priv(hw); 1355 u64 tsf; 1356 1357 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); 1358 return tsf; 1359 } 1360 1361 static void rtl_op_set_tsf(struct ieee80211_hw *hw, 1362 struct ieee80211_vif *vif, u64 tsf) 1363 { 1364 struct rtl_priv *rtlpriv = rtl_priv(hw); 1365 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1366 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 1367 1368 mac->tsf = tsf; 1369 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); 1370 } 1371 1372 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1373 { 1374 struct rtl_priv *rtlpriv = rtl_priv(hw); 1375 u8 tmp = 0; 1376 1377 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); 1378 } 1379 1380 static void rtl_op_sta_notify(struct ieee80211_hw *hw, 1381 struct ieee80211_vif *vif, 1382 enum sta_notify_cmd cmd, 1383 struct ieee80211_sta *sta) 1384 { 1385 switch (cmd) { 1386 case STA_NOTIFY_SLEEP: 1387 break; 1388 case STA_NOTIFY_AWAKE: 1389 break; 1390 default: 1391 break; 1392 } 1393 } 1394 1395 static int rtl_op_ampdu_action(struct ieee80211_hw *hw, 1396 struct ieee80211_vif *vif, 1397 struct ieee80211_ampdu_params *params) 1398 { 1399 struct rtl_priv *rtlpriv = rtl_priv(hw); 1400 struct ieee80211_sta *sta = params->sta; 1401 enum ieee80211_ampdu_mlme_action action = params->action; 1402 u16 tid = params->tid; 1403 u16 *ssn = ¶ms->ssn; 1404 1405 switch (action) { 1406 case IEEE80211_AMPDU_TX_START: 1407 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1408 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); 1409 return rtl_tx_agg_start(hw, vif, sta, tid, ssn); 1410 case IEEE80211_AMPDU_TX_STOP_CONT: 1411 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1412 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1413 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1414 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); 1415 return rtl_tx_agg_stop(hw, vif, sta, tid); 1416 case IEEE80211_AMPDU_TX_OPERATIONAL: 1417 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1418 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); 1419 rtl_tx_agg_oper(hw, sta, tid); 1420 break; 1421 case IEEE80211_AMPDU_RX_START: 1422 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1423 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); 1424 return rtl_rx_agg_start(hw, sta, tid); 1425 case IEEE80211_AMPDU_RX_STOP: 1426 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1427 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); 1428 return rtl_rx_agg_stop(hw, sta, tid); 1429 default: 1430 pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); 1431 return -EOPNOTSUPP; 1432 } 1433 return 0; 1434 } 1435 1436 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, 1437 struct ieee80211_vif *vif, 1438 const u8 *mac_addr) 1439 { 1440 struct rtl_priv *rtlpriv = rtl_priv(hw); 1441 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1442 1443 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1444 mac->act_scanning = true; 1445 if (rtlpriv->link_info.higher_busytraffic) { 1446 mac->skip_scan = true; 1447 return; 1448 } 1449 1450 if (rtlpriv->cfg->ops->get_btc_status()) 1451 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); 1452 else if (rtlpriv->btcoexist.btc_ops) 1453 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1454 1); 1455 1456 if (mac->link_state == MAC80211_LINKED) { 1457 rtl_lps_leave(hw, true); 1458 mac->link_state = MAC80211_LINKED_SCANNING; 1459 } else { 1460 rtl_ips_nic_on(hw); 1461 } 1462 1463 /* Dul mac */ 1464 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1465 1466 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); 1467 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); 1468 } 1469 1470 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, 1471 struct ieee80211_vif *vif) 1472 { 1473 struct rtl_priv *rtlpriv = rtl_priv(hw); 1474 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1475 1476 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1477 mac->act_scanning = false; 1478 mac->skip_scan = false; 1479 1480 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1481 1482 if (rtlpriv->link_info.higher_busytraffic) 1483 return; 1484 1485 /* p2p will use 1/6/11 to scan */ 1486 if (mac->n_channels == 3) 1487 mac->p2p_in_use = true; 1488 else 1489 mac->p2p_in_use = false; 1490 mac->n_channels = 0; 1491 /* Dul mac */ 1492 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1493 1494 if (mac->link_state == MAC80211_LINKED_SCANNING) { 1495 mac->link_state = MAC80211_LINKED; 1496 if (mac->opmode == NL80211_IFTYPE_STATION) { 1497 /* fix fwlps issue */ 1498 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 1499 } 1500 } 1501 1502 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); 1503 if (rtlpriv->cfg->ops->get_btc_status()) 1504 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); 1505 else if (rtlpriv->btcoexist.btc_ops) 1506 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1507 0); 1508 } 1509 1510 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1511 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1512 struct ieee80211_key_conf *key) 1513 { 1514 struct rtl_priv *rtlpriv = rtl_priv(hw); 1515 u8 key_type = NO_ENCRYPTION; 1516 u8 key_idx; 1517 bool group_key = false; 1518 bool wep_only = false; 1519 int err = 0; 1520 u8 mac_addr[ETH_ALEN]; 1521 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1522 1523 rtlpriv->btcoexist.btc_info.in_4way = false; 1524 1525 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { 1526 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 1527 "not open hw encryption\n"); 1528 return -ENOSPC; /*User disabled HW-crypto */ 1529 } 1530 /* To support IBSS, use sw-crypto for GTK */ 1531 if ((vif->type == NL80211_IFTYPE_ADHOC || 1532 vif->type == NL80211_IFTYPE_MESH_POINT) && 1533 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 1534 return -ENOSPC; 1535 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1536 "%s hardware based encryption for keyidx: %d, mac: %pM\n", 1537 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, 1538 sta ? sta->addr : bcast_addr); 1539 rtlpriv->sec.being_setkey = true; 1540 rtl_ips_nic_on(hw); 1541 mutex_lock(&rtlpriv->locks.conf_mutex); 1542 /* <1> get encryption alg */ 1543 1544 switch (key->cipher) { 1545 case WLAN_CIPHER_SUITE_WEP40: 1546 key_type = WEP40_ENCRYPTION; 1547 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); 1548 break; 1549 case WLAN_CIPHER_SUITE_WEP104: 1550 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); 1551 key_type = WEP104_ENCRYPTION; 1552 break; 1553 case WLAN_CIPHER_SUITE_TKIP: 1554 key_type = TKIP_ENCRYPTION; 1555 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); 1556 break; 1557 case WLAN_CIPHER_SUITE_CCMP: 1558 key_type = AESCCMP_ENCRYPTION; 1559 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); 1560 break; 1561 case WLAN_CIPHER_SUITE_AES_CMAC: 1562 /* HW don't support CMAC encryption, 1563 * use software CMAC encryption 1564 */ 1565 key_type = AESCMAC_ENCRYPTION; 1566 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); 1567 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1568 "HW don't support CMAC encryption, use software CMAC encryption\n"); 1569 err = -EOPNOTSUPP; 1570 goto out_unlock; 1571 default: 1572 pr_err("alg_err:%x!!!!:\n", key->cipher); 1573 goto out_unlock; 1574 } 1575 if (key_type == WEP40_ENCRYPTION || 1576 key_type == WEP104_ENCRYPTION || 1577 vif->type == NL80211_IFTYPE_ADHOC) 1578 rtlpriv->sec.use_defaultkey = true; 1579 1580 /* <2> get key_idx */ 1581 key_idx = (u8) (key->keyidx); 1582 if (key_idx > 3) 1583 goto out_unlock; 1584 /* <3> if pairwise key enable_hw_sec */ 1585 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); 1586 1587 /* wep always be group key, but there are two conditions: 1588 * 1) wep only: is just for wep enc, in this condition 1589 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION 1590 * will be true & enable_hw_sec will be set when wep 1591 * ke setting. 1592 * 2) wep(group) + AES(pairwise): some AP like cisco 1593 * may use it, in this condition enable_hw_sec will not 1594 * be set when wep key setting */ 1595 /* we must reset sec_info after lingked before set key, 1596 * or some flag will be wrong*/ 1597 if (vif->type == NL80211_IFTYPE_AP || 1598 vif->type == NL80211_IFTYPE_MESH_POINT) { 1599 if (!group_key || key_type == WEP40_ENCRYPTION || 1600 key_type == WEP104_ENCRYPTION) { 1601 if (group_key) 1602 wep_only = true; 1603 rtlpriv->cfg->ops->enable_hw_sec(hw); 1604 } 1605 } else { 1606 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || 1607 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { 1608 if (rtlpriv->sec.pairwise_enc_algorithm == 1609 NO_ENCRYPTION && 1610 (key_type == WEP40_ENCRYPTION || 1611 key_type == WEP104_ENCRYPTION)) 1612 wep_only = true; 1613 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1614 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1615 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", 1616 key_type); 1617 rtlpriv->cfg->ops->enable_hw_sec(hw); 1618 } 1619 } 1620 /* <4> set key based on cmd */ 1621 switch (cmd) { 1622 case SET_KEY: 1623 if (wep_only) { 1624 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1625 "set WEP(group/pairwise) key\n"); 1626 /* Pairwise key with an assigned MAC address. */ 1627 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1628 rtlpriv->sec.group_enc_algorithm = key_type; 1629 /*set local buf about wep key. */ 1630 memcpy(rtlpriv->sec.key_buf[key_idx], 1631 key->key, key->keylen); 1632 rtlpriv->sec.key_len[key_idx] = key->keylen; 1633 eth_zero_addr(mac_addr); 1634 } else if (group_key) { /* group key */ 1635 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1636 "set group key\n"); 1637 /* group key */ 1638 rtlpriv->sec.group_enc_algorithm = key_type; 1639 /*set local buf about group key. */ 1640 memcpy(rtlpriv->sec.key_buf[key_idx], 1641 key->key, key->keylen); 1642 rtlpriv->sec.key_len[key_idx] = key->keylen; 1643 eth_broadcast_addr(mac_addr); 1644 } else { /* pairwise key */ 1645 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1646 "set pairwise key\n"); 1647 if (!sta) { 1648 WARN_ONCE(true, 1649 "rtlwifi: pairwise key without mac_addr\n"); 1650 1651 err = -EOPNOTSUPP; 1652 goto out_unlock; 1653 } 1654 /* Pairwise key with an assigned MAC address. */ 1655 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1656 /*set local buf about pairwise key. */ 1657 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], 1658 key->key, key->keylen); 1659 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; 1660 rtlpriv->sec.pairwise_key = 1661 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; 1662 memcpy(mac_addr, sta->addr, ETH_ALEN); 1663 } 1664 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, 1665 group_key, key_type, wep_only, 1666 false); 1667 /* <5> tell mac80211 do something: */ 1668 /*must use sw generate IV, or can not work !!!!. */ 1669 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 1670 key->hw_key_idx = key_idx; 1671 if (key_type == TKIP_ENCRYPTION) 1672 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 1673 /*use software CCMP encryption for management frames (MFP) */ 1674 if (key_type == AESCCMP_ENCRYPTION) 1675 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 1676 break; 1677 case DISABLE_KEY: 1678 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1679 "disable key delete one entry\n"); 1680 /*set local buf about wep key. */ 1681 if (vif->type == NL80211_IFTYPE_AP || 1682 vif->type == NL80211_IFTYPE_MESH_POINT) { 1683 if (sta) 1684 rtl_cam_del_entry(hw, sta->addr); 1685 } 1686 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); 1687 rtlpriv->sec.key_len[key_idx] = 0; 1688 eth_zero_addr(mac_addr); 1689 /* 1690 *mac80211 will delete entries one by one, 1691 *so don't use rtl_cam_reset_all_entry 1692 *or clear all entry here. 1693 */ 1694 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ 1695 1696 rtl_cam_delete_one_entry(hw, mac_addr, key_idx); 1697 break; 1698 default: 1699 pr_err("cmd_err:%x!!!!:\n", cmd); 1700 } 1701 out_unlock: 1702 mutex_unlock(&rtlpriv->locks.conf_mutex); 1703 rtlpriv->sec.being_setkey = false; 1704 return err; 1705 } 1706 1707 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) 1708 { 1709 struct rtl_priv *rtlpriv = rtl_priv(hw); 1710 1711 bool radio_state; 1712 bool blocked; 1713 u8 valid = 0; 1714 1715 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1716 return; 1717 1718 mutex_lock(&rtlpriv->locks.conf_mutex); 1719 1720 /*if Radio On return true here */ 1721 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 1722 1723 if (valid) { 1724 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { 1725 rtlpriv->rfkill.rfkill_state = radio_state; 1726 1727 rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, 1728 "wireless radio switch turned %s\n", 1729 radio_state ? "on" : "off"); 1730 1731 blocked = !rtlpriv->rfkill.rfkill_state; 1732 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1733 } 1734 } 1735 1736 mutex_unlock(&rtlpriv->locks.conf_mutex); 1737 } 1738 1739 /* this function is called by mac80211 to flush tx buffer 1740 * before switch channle or power save, or tx buffer packet 1741 * maybe send after offchannel or rf sleep, this may cause 1742 * dis-association by AP */ 1743 static void rtl_op_flush(struct ieee80211_hw *hw, 1744 struct ieee80211_vif *vif, 1745 u32 queues, 1746 bool drop) 1747 { 1748 struct rtl_priv *rtlpriv = rtl_priv(hw); 1749 1750 if (rtlpriv->intf_ops->flush) 1751 rtlpriv->intf_ops->flush(hw, queues, drop); 1752 } 1753 1754 static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 1755 bool set) 1756 { 1757 struct rtl_priv *rtlpriv = rtl_priv(hw); 1758 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1759 1760 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU) 1761 schedule_work(&rtlpriv->works.update_beacon_work); 1762 1763 return 0; 1764 } 1765 1766 /* Description: 1767 * This routine deals with the Power Configuration CMD 1768 * parsing for RTL8723/RTL8188E Series IC. 1769 * Assumption: 1770 * We should follow specific format that was released from HW SD. 1771 */ 1772 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, 1773 u8 faversion, u8 interface_type, 1774 struct wlan_pwr_cfg pwrcfgcmd[]) 1775 { 1776 struct wlan_pwr_cfg cfg_cmd; 1777 bool polling_bit = false; 1778 u32 ary_idx = 0; 1779 u8 value = 0; 1780 u32 offset = 0; 1781 u32 polling_count = 0; 1782 u32 max_polling_cnt = 5000; 1783 1784 do { 1785 cfg_cmd = pwrcfgcmd[ary_idx]; 1786 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1787 "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", 1788 __func__, 1789 GET_PWR_CFG_OFFSET(cfg_cmd), 1790 GET_PWR_CFG_CUT_MASK(cfg_cmd), 1791 GET_PWR_CFG_FAB_MASK(cfg_cmd), 1792 GET_PWR_CFG_INTF_MASK(cfg_cmd), 1793 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), 1794 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); 1795 1796 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && 1797 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && 1798 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { 1799 switch (GET_PWR_CFG_CMD(cfg_cmd)) { 1800 case PWR_CMD_READ: 1801 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1802 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); 1803 break; 1804 case PWR_CMD_WRITE: 1805 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1806 "%s(): PWR_CMD_WRITE\n", __func__); 1807 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1808 1809 /*Read the value from system register*/ 1810 value = rtl_read_byte(rtlpriv, offset); 1811 value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); 1812 value |= (GET_PWR_CFG_VALUE(cfg_cmd) & 1813 GET_PWR_CFG_MASK(cfg_cmd)); 1814 1815 /*Write the value back to system register*/ 1816 rtl_write_byte(rtlpriv, offset, value); 1817 break; 1818 case PWR_CMD_POLLING: 1819 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1820 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); 1821 polling_bit = false; 1822 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1823 1824 do { 1825 value = rtl_read_byte(rtlpriv, offset); 1826 1827 value &= GET_PWR_CFG_MASK(cfg_cmd); 1828 if (value == 1829 (GET_PWR_CFG_VALUE(cfg_cmd) & 1830 GET_PWR_CFG_MASK(cfg_cmd))) 1831 polling_bit = true; 1832 else 1833 udelay(10); 1834 1835 if (polling_count++ > max_polling_cnt) 1836 return false; 1837 } while (!polling_bit); 1838 break; 1839 case PWR_CMD_DELAY: 1840 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1841 "%s: PWR_CMD_DELAY\n", __func__); 1842 if (GET_PWR_CFG_VALUE(cfg_cmd) == 1843 PWRSEQ_DELAY_US) 1844 udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1845 else 1846 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1847 break; 1848 case PWR_CMD_END: 1849 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1850 "%s: PWR_CMD_END\n", __func__); 1851 return true; 1852 default: 1853 WARN_ONCE(true, 1854 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); 1855 break; 1856 } 1857 } 1858 ary_idx++; 1859 } while (1); 1860 1861 return true; 1862 } 1863 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); 1864 1865 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 1866 { 1867 struct rtl_priv *rtlpriv = rtl_priv(hw); 1868 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 1869 struct rtl8192_tx_ring *ring; 1870 struct rtl_tx_desc *pdesc; 1871 unsigned long flags; 1872 struct sk_buff *pskb = NULL; 1873 1874 ring = &rtlpci->tx_ring[BEACON_QUEUE]; 1875 1876 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); 1877 pskb = __skb_dequeue(&ring->queue); 1878 if (pskb) 1879 dev_kfree_skb_irq(pskb); 1880 1881 /*this is wrong, fill_tx_cmddesc needs update*/ 1882 pdesc = &ring->desc[0]; 1883 1884 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, skb); 1885 1886 __skb_queue_tail(&ring->queue, skb); 1887 1888 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); 1889 1890 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); 1891 1892 return true; 1893 } 1894 EXPORT_SYMBOL(rtl_cmd_send_packet); 1895 1896 void rtl_init_sw_leds(struct ieee80211_hw *hw) 1897 { 1898 struct rtl_priv *rtlpriv = rtl_priv(hw); 1899 1900 rtlpriv->ledctl.sw_led0 = LED_PIN_LED0; 1901 rtlpriv->ledctl.sw_led1 = LED_PIN_LED1; 1902 } 1903 EXPORT_SYMBOL(rtl_init_sw_leds); 1904 1905 const struct ieee80211_ops rtl_ops = { 1906 .start = rtl_op_start, 1907 .stop = rtl_op_stop, 1908 .tx = rtl_op_tx, 1909 .wake_tx_queue = ieee80211_handle_wake_tx_queue, 1910 .add_interface = rtl_op_add_interface, 1911 .remove_interface = rtl_op_remove_interface, 1912 .change_interface = rtl_op_change_interface, 1913 #ifdef CONFIG_PM 1914 .suspend = rtl_op_suspend, 1915 .resume = rtl_op_resume, 1916 #endif 1917 .config = rtl_op_config, 1918 .configure_filter = rtl_op_configure_filter, 1919 .set_key = rtl_op_set_key, 1920 .conf_tx = rtl_op_conf_tx, 1921 .bss_info_changed = rtl_op_bss_info_changed, 1922 .get_tsf = rtl_op_get_tsf, 1923 .set_tsf = rtl_op_set_tsf, 1924 .reset_tsf = rtl_op_reset_tsf, 1925 .sta_notify = rtl_op_sta_notify, 1926 .ampdu_action = rtl_op_ampdu_action, 1927 .sw_scan_start = rtl_op_sw_scan_start, 1928 .sw_scan_complete = rtl_op_sw_scan_complete, 1929 .rfkill_poll = rtl_op_rfkill_poll, 1930 .sta_add = rtl_op_sta_add, 1931 .sta_remove = rtl_op_sta_remove, 1932 .flush = rtl_op_flush, 1933 .set_tim = rtl_op_set_tim, 1934 }; 1935 EXPORT_SYMBOL_GPL(rtl_ops); 1936 1937 bool rtl_btc_status_false(void) 1938 { 1939 return false; 1940 } 1941 EXPORT_SYMBOL_GPL(rtl_btc_status_false); 1942 1943 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) 1944 { 1945 struct rtl_priv *rtlpriv = rtl_priv(hw); 1946 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 1947 1948 dm_digtable->dig_enable_flag = true; 1949 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 1950 dm_digtable->cur_igvalue = cur_igvalue; 1951 dm_digtable->pre_igvalue = 0; 1952 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; 1953 dm_digtable->presta_cstate = DIG_STA_DISCONNECT; 1954 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 1955 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; 1956 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; 1957 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; 1958 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; 1959 dm_digtable->rx_gain_max = DM_DIG_MAX; 1960 dm_digtable->rx_gain_min = DM_DIG_MIN; 1961 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 1962 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; 1963 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; 1964 dm_digtable->pre_cck_cca_thres = 0xff; 1965 dm_digtable->cur_cck_cca_thres = 0x83; 1966 dm_digtable->forbidden_igi = DM_DIG_MIN; 1967 dm_digtable->large_fa_hit = 0; 1968 dm_digtable->recover_cnt = 0; 1969 dm_digtable->dig_min_0 = 0x25; 1970 dm_digtable->dig_min_1 = 0x25; 1971 dm_digtable->media_connect_0 = false; 1972 dm_digtable->media_connect_1 = false; 1973 rtlpriv->dm.dm_initialgain_enable = true; 1974 dm_digtable->bt30_cur_igi = 0x32; 1975 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; 1976 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; 1977 dm_digtable->pre_cck_fa_state = 0; 1978 dm_digtable->cur_cck_fa_state = 0; 1979 } 1980 EXPORT_SYMBOL(rtl_dm_diginit); 1981