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