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 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 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 broadcast 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->deflink.supp_rates[0] <= 0xf) 907 sta_entry->wireless_mode = WIRELESS_MODE_B; 908 if (sta->deflink.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->deflink.ht_cap.ht_supported) 916 sta_entry->wireless_mode = WIRELESS_MODE_N_5G; 917 if (sta->deflink.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->deflink.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, 986 unsigned int link_id, u16 queue, 987 const struct ieee80211_tx_queue_params *param) 988 { 989 struct rtl_priv *rtlpriv = rtl_priv(hw); 990 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 991 int aci; 992 993 if (queue >= AC_MAX) { 994 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 995 "queue number %d is incorrect!\n", queue); 996 return -EINVAL; 997 } 998 999 aci = _rtl_get_hal_qnum(queue); 1000 mac->ac[aci].aifs = param->aifs; 1001 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); 1002 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); 1003 mac->ac[aci].tx_op = cpu_to_le16(param->txop); 1004 memcpy(&mac->edca_param[aci], param, sizeof(*param)); 1005 rtlpriv->cfg->ops->set_qos(hw, aci); 1006 return 0; 1007 } 1008 1009 static void send_beacon_frame(struct ieee80211_hw *hw, 1010 struct ieee80211_vif *vif) 1011 { 1012 struct rtl_priv *rtlpriv = rtl_priv(hw); 1013 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0); 1014 struct rtl_tcb_desc tcb_desc; 1015 1016 if (skb) { 1017 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1018 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); 1019 } 1020 } 1021 1022 void rtl_update_beacon_work_callback(struct work_struct *work) 1023 { 1024 struct rtl_works *rtlworks = 1025 container_of(work, struct rtl_works, update_beacon_work); 1026 struct ieee80211_hw *hw = rtlworks->hw; 1027 struct rtl_priv *rtlpriv = rtl_priv(hw); 1028 struct ieee80211_vif *vif = rtlpriv->mac80211.vif; 1029 1030 if (!vif) { 1031 WARN_ONCE(true, "no vif to update beacon\n"); 1032 return; 1033 } 1034 1035 mutex_lock(&rtlpriv->locks.conf_mutex); 1036 send_beacon_frame(hw, vif); 1037 mutex_unlock(&rtlpriv->locks.conf_mutex); 1038 } 1039 EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback); 1040 1041 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, 1042 struct ieee80211_vif *vif, 1043 struct ieee80211_bss_conf *bss_conf, 1044 u64 changed) 1045 { 1046 struct rtl_priv *rtlpriv = rtl_priv(hw); 1047 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 1048 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1049 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1050 1051 mutex_lock(&rtlpriv->locks.conf_mutex); 1052 if (vif->type == NL80211_IFTYPE_ADHOC || 1053 vif->type == NL80211_IFTYPE_AP || 1054 vif->type == NL80211_IFTYPE_MESH_POINT) { 1055 if (changed & BSS_CHANGED_BEACON || 1056 (changed & BSS_CHANGED_BEACON_ENABLED && 1057 bss_conf->enable_beacon)) { 1058 if (mac->beacon_enabled == 0) { 1059 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1060 "BSS_CHANGED_BEACON_ENABLED\n"); 1061 1062 /*start hw beacon interrupt. */ 1063 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ 1064 mac->beacon_enabled = 1; 1065 rtlpriv->cfg->ops->update_interrupt_mask(hw, 1066 rtlpriv->cfg->maps 1067 [RTL_IBSS_INT_MASKS], 0); 1068 1069 if (rtlpriv->cfg->ops->linked_set_reg) 1070 rtlpriv->cfg->ops->linked_set_reg(hw); 1071 send_beacon_frame(hw, vif); 1072 } 1073 } 1074 if ((changed & BSS_CHANGED_BEACON_ENABLED && 1075 !bss_conf->enable_beacon)) { 1076 if (mac->beacon_enabled == 1) { 1077 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1078 "ADHOC DISABLE BEACON\n"); 1079 1080 mac->beacon_enabled = 0; 1081 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 1082 rtlpriv->cfg->maps 1083 [RTL_IBSS_INT_MASKS]); 1084 } 1085 } 1086 if (changed & BSS_CHANGED_BEACON_INT) { 1087 rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE, 1088 "BSS_CHANGED_BEACON_INT\n"); 1089 mac->beacon_interval = bss_conf->beacon_int; 1090 rtlpriv->cfg->ops->set_bcn_intv(hw); 1091 } 1092 } 1093 1094 /*TODO: reference to enum ieee80211_bss_change */ 1095 if (changed & BSS_CHANGED_ASSOC) { 1096 u8 mstatus; 1097 1098 if (vif->cfg.assoc) { 1099 struct ieee80211_sta *sta = NULL; 1100 u8 keep_alive = 10; 1101 1102 mstatus = RT_MEDIA_CONNECT; 1103 /* we should reset all sec info & cam 1104 * before set cam after linked, we should not 1105 * reset in disassoc, that will cause tkip->wep 1106 * fail because some flag will be wrong */ 1107 /* reset sec info */ 1108 rtl_cam_reset_sec_info(hw); 1109 /* reset cam to fix wep fail issue 1110 * when change from wpa to wep */ 1111 rtl_cam_reset_all_entry(hw); 1112 1113 mac->link_state = MAC80211_LINKED; 1114 mac->cnt_after_linked = 0; 1115 mac->assoc_id = vif->cfg.aid; 1116 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1117 1118 if (rtlpriv->cfg->ops->linked_set_reg) 1119 rtlpriv->cfg->ops->linked_set_reg(hw); 1120 1121 rcu_read_lock(); 1122 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1123 if (!sta) { 1124 rcu_read_unlock(); 1125 goto out; 1126 } 1127 rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, 1128 "send PS STATIC frame\n"); 1129 if (rtlpriv->dm.supp_phymode_switch) { 1130 if (sta->deflink.ht_cap.ht_supported) 1131 rtl_send_smps_action(hw, sta, 1132 IEEE80211_SMPS_STATIC); 1133 } 1134 1135 if (rtlhal->current_bandtype == BAND_ON_5G) { 1136 mac->mode = WIRELESS_MODE_A; 1137 } else { 1138 if (sta->deflink.supp_rates[0] <= 0xf) 1139 mac->mode = WIRELESS_MODE_B; 1140 else 1141 mac->mode = WIRELESS_MODE_G; 1142 } 1143 1144 if (sta->deflink.ht_cap.ht_supported) { 1145 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1146 mac->mode = WIRELESS_MODE_N_24G; 1147 else 1148 mac->mode = WIRELESS_MODE_N_5G; 1149 } 1150 1151 if (sta->deflink.vht_cap.vht_supported) { 1152 if (rtlhal->current_bandtype == BAND_ON_5G) 1153 mac->mode = WIRELESS_MODE_AC_5G; 1154 else 1155 mac->mode = WIRELESS_MODE_AC_24G; 1156 } 1157 1158 if (vif->type == NL80211_IFTYPE_STATION) 1159 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, 1160 true); 1161 rcu_read_unlock(); 1162 1163 /* to avoid AP Disassociation caused by inactivity */ 1164 rtlpriv->cfg->ops->set_hw_reg(hw, 1165 HW_VAR_KEEP_ALIVE, 1166 (u8 *)(&keep_alive)); 1167 1168 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1169 "BSS_CHANGED_ASSOC\n"); 1170 } else { 1171 struct cfg80211_bss *bss = NULL; 1172 1173 mstatus = RT_MEDIA_DISCONNECT; 1174 1175 if (mac->link_state == MAC80211_LINKED) 1176 rtl_lps_leave(hw, true); 1177 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) 1178 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); 1179 mac->link_state = MAC80211_NOLINK; 1180 1181 bss = cfg80211_get_bss(hw->wiphy, NULL, 1182 (u8 *)mac->bssid, NULL, 0, 1183 IEEE80211_BSS_TYPE_ESS, 1184 IEEE80211_PRIVACY_OFF); 1185 1186 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1187 "bssid = %pMF\n", mac->bssid); 1188 1189 if (bss) { 1190 cfg80211_unlink_bss(hw->wiphy, bss); 1191 cfg80211_put_bss(hw->wiphy, bss); 1192 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1193 "cfg80211_unlink !!\n"); 1194 } 1195 1196 eth_zero_addr(mac->bssid); 1197 mac->vendor = PEER_UNKNOWN; 1198 mac->mode = 0; 1199 1200 if (rtlpriv->dm.supp_phymode_switch) { 1201 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1202 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1203 } 1204 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1205 "BSS_CHANGED_UN_ASSOC\n"); 1206 } 1207 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 1208 /* For FW LPS: 1209 * To tell firmware we have connected or disconnected 1210 */ 1211 rtlpriv->cfg->ops->set_hw_reg(hw, 1212 HW_VAR_H2C_FW_JOINBSSRPT, 1213 (u8 *)(&mstatus)); 1214 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? 1215 true : false; 1216 1217 if (rtlpriv->cfg->ops->get_btc_status()) 1218 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( 1219 rtlpriv, mstatus); 1220 } 1221 1222 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 1223 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1224 "BSS_CHANGED_ERP_CTS_PROT\n"); 1225 mac->use_cts_protect = bss_conf->use_cts_prot; 1226 } 1227 1228 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 1229 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 1230 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", 1231 bss_conf->use_short_preamble); 1232 1233 mac->short_preamble = bss_conf->use_short_preamble; 1234 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, 1235 (u8 *)(&mac->short_preamble)); 1236 } 1237 1238 if (changed & BSS_CHANGED_ERP_SLOT) { 1239 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1240 "BSS_CHANGED_ERP_SLOT\n"); 1241 1242 if (bss_conf->use_short_slot) 1243 mac->slot_time = RTL_SLOT_TIME_9; 1244 else 1245 mac->slot_time = RTL_SLOT_TIME_20; 1246 1247 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, 1248 (u8 *)(&mac->slot_time)); 1249 } 1250 1251 if (changed & BSS_CHANGED_HT) { 1252 struct ieee80211_sta *sta = NULL; 1253 1254 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1255 "BSS_CHANGED_HT\n"); 1256 1257 rcu_read_lock(); 1258 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1259 if (sta) { 1260 if (sta->deflink.ht_cap.ampdu_density > 1261 mac->current_ampdu_density) 1262 mac->current_ampdu_density = 1263 sta->deflink.ht_cap.ampdu_density; 1264 if (sta->deflink.ht_cap.ampdu_factor < 1265 mac->current_ampdu_factor) 1266 mac->current_ampdu_factor = 1267 sta->deflink.ht_cap.ampdu_factor; 1268 } 1269 rcu_read_unlock(); 1270 1271 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, 1272 (u8 *)(&mac->max_mss_density)); 1273 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, 1274 &mac->current_ampdu_factor); 1275 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, 1276 &mac->current_ampdu_density); 1277 } 1278 1279 if (changed & BSS_CHANGED_BSSID) { 1280 u32 basic_rates; 1281 struct ieee80211_sta *sta = NULL; 1282 1283 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, 1284 (u8 *)bss_conf->bssid); 1285 1286 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1287 "bssid: %pM\n", bss_conf->bssid); 1288 1289 mac->vendor = PEER_UNKNOWN; 1290 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1291 1292 rcu_read_lock(); 1293 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1294 if (!sta) { 1295 rcu_read_unlock(); 1296 goto out; 1297 } 1298 1299 if (rtlhal->current_bandtype == BAND_ON_5G) { 1300 mac->mode = WIRELESS_MODE_A; 1301 } else { 1302 if (sta->deflink.supp_rates[0] <= 0xf) 1303 mac->mode = WIRELESS_MODE_B; 1304 else 1305 mac->mode = WIRELESS_MODE_G; 1306 } 1307 1308 if (sta->deflink.ht_cap.ht_supported) { 1309 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1310 mac->mode = WIRELESS_MODE_N_24G; 1311 else 1312 mac->mode = WIRELESS_MODE_N_5G; 1313 } 1314 1315 if (sta->deflink.vht_cap.vht_supported) { 1316 if (rtlhal->current_bandtype == BAND_ON_5G) 1317 mac->mode = WIRELESS_MODE_AC_5G; 1318 else 1319 mac->mode = WIRELESS_MODE_AC_24G; 1320 } 1321 1322 /* just station need it, because ibss & ap mode will 1323 * set in sta_add, and will be NULL here */ 1324 if (vif->type == NL80211_IFTYPE_STATION) { 1325 struct rtl_sta_info *sta_entry; 1326 1327 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1328 sta_entry->wireless_mode = mac->mode; 1329 } 1330 1331 if (sta->deflink.ht_cap.ht_supported) { 1332 mac->ht_enable = true; 1333 1334 /* 1335 * for cisco 1252 bw20 it's wrong 1336 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { 1337 * mac->bw_40 = true; 1338 * } 1339 * */ 1340 } 1341 1342 if (sta->deflink.vht_cap.vht_supported) 1343 mac->vht_enable = true; 1344 1345 if (changed & BSS_CHANGED_BASIC_RATES) { 1346 /* for 5G must << RATE_6M_INDEX = 4, 1347 * because 5G have no cck rate*/ 1348 if (rtlhal->current_bandtype == BAND_ON_5G) 1349 basic_rates = sta->deflink.supp_rates[1] << 4; 1350 else 1351 basic_rates = sta->deflink.supp_rates[0]; 1352 1353 mac->basic_rates = basic_rates; 1354 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 1355 (u8 *)(&basic_rates)); 1356 } 1357 rcu_read_unlock(); 1358 } 1359 out: 1360 mutex_unlock(&rtlpriv->locks.conf_mutex); 1361 } 1362 1363 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1364 { 1365 struct rtl_priv *rtlpriv = rtl_priv(hw); 1366 u64 tsf; 1367 1368 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); 1369 return tsf; 1370 } 1371 1372 static void rtl_op_set_tsf(struct ieee80211_hw *hw, 1373 struct ieee80211_vif *vif, u64 tsf) 1374 { 1375 struct rtl_priv *rtlpriv = rtl_priv(hw); 1376 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1377 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 1378 1379 mac->tsf = tsf; 1380 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); 1381 } 1382 1383 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1384 { 1385 struct rtl_priv *rtlpriv = rtl_priv(hw); 1386 u8 tmp = 0; 1387 1388 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); 1389 } 1390 1391 static void rtl_op_sta_notify(struct ieee80211_hw *hw, 1392 struct ieee80211_vif *vif, 1393 enum sta_notify_cmd cmd, 1394 struct ieee80211_sta *sta) 1395 { 1396 switch (cmd) { 1397 case STA_NOTIFY_SLEEP: 1398 break; 1399 case STA_NOTIFY_AWAKE: 1400 break; 1401 default: 1402 break; 1403 } 1404 } 1405 1406 static int rtl_op_ampdu_action(struct ieee80211_hw *hw, 1407 struct ieee80211_vif *vif, 1408 struct ieee80211_ampdu_params *params) 1409 { 1410 struct rtl_priv *rtlpriv = rtl_priv(hw); 1411 struct ieee80211_sta *sta = params->sta; 1412 enum ieee80211_ampdu_mlme_action action = params->action; 1413 u16 tid = params->tid; 1414 u16 *ssn = ¶ms->ssn; 1415 1416 switch (action) { 1417 case IEEE80211_AMPDU_TX_START: 1418 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1419 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); 1420 return rtl_tx_agg_start(hw, vif, sta, tid, ssn); 1421 case IEEE80211_AMPDU_TX_STOP_CONT: 1422 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1423 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1424 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1425 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); 1426 return rtl_tx_agg_stop(hw, vif, sta, tid); 1427 case IEEE80211_AMPDU_TX_OPERATIONAL: 1428 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1429 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); 1430 rtl_tx_agg_oper(hw, sta, tid); 1431 break; 1432 case IEEE80211_AMPDU_RX_START: 1433 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1434 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); 1435 return rtl_rx_agg_start(hw, sta, tid); 1436 case IEEE80211_AMPDU_RX_STOP: 1437 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1438 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); 1439 return rtl_rx_agg_stop(hw, sta, tid); 1440 default: 1441 pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); 1442 return -EOPNOTSUPP; 1443 } 1444 return 0; 1445 } 1446 1447 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, 1448 struct ieee80211_vif *vif, 1449 const u8 *mac_addr) 1450 { 1451 struct rtl_priv *rtlpriv = rtl_priv(hw); 1452 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1453 1454 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1455 mac->act_scanning = true; 1456 if (rtlpriv->link_info.higher_busytraffic) { 1457 mac->skip_scan = true; 1458 return; 1459 } 1460 1461 if (rtlpriv->cfg->ops->get_btc_status()) 1462 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); 1463 else if (rtlpriv->btcoexist.btc_ops) 1464 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1465 1); 1466 1467 if (rtlpriv->dm.supp_phymode_switch) { 1468 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1469 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1470 } 1471 1472 if (mac->link_state == MAC80211_LINKED) { 1473 rtl_lps_leave(hw, true); 1474 mac->link_state = MAC80211_LINKED_SCANNING; 1475 } else { 1476 rtl_ips_nic_on(hw); 1477 } 1478 1479 /* Dul mac */ 1480 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1481 1482 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); 1483 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); 1484 } 1485 1486 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, 1487 struct ieee80211_vif *vif) 1488 { 1489 struct rtl_priv *rtlpriv = rtl_priv(hw); 1490 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1491 1492 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1493 mac->act_scanning = false; 1494 mac->skip_scan = false; 1495 1496 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1497 1498 if (rtlpriv->link_info.higher_busytraffic) 1499 return; 1500 1501 /* p2p will use 1/6/11 to scan */ 1502 if (mac->n_channels == 3) 1503 mac->p2p_in_use = true; 1504 else 1505 mac->p2p_in_use = false; 1506 mac->n_channels = 0; 1507 /* Dul mac */ 1508 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1509 1510 if (mac->link_state == MAC80211_LINKED_SCANNING) { 1511 mac->link_state = MAC80211_LINKED; 1512 if (mac->opmode == NL80211_IFTYPE_STATION) { 1513 /* fix fwlps issue */ 1514 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 1515 } 1516 } 1517 1518 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); 1519 if (rtlpriv->cfg->ops->get_btc_status()) 1520 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); 1521 else if (rtlpriv->btcoexist.btc_ops) 1522 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1523 0); 1524 } 1525 1526 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1527 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1528 struct ieee80211_key_conf *key) 1529 { 1530 struct rtl_priv *rtlpriv = rtl_priv(hw); 1531 u8 key_type = NO_ENCRYPTION; 1532 u8 key_idx; 1533 bool group_key = false; 1534 bool wep_only = false; 1535 int err = 0; 1536 u8 mac_addr[ETH_ALEN]; 1537 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1538 1539 rtlpriv->btcoexist.btc_info.in_4way = false; 1540 1541 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { 1542 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 1543 "not open hw encryption\n"); 1544 return -ENOSPC; /*User disabled HW-crypto */ 1545 } 1546 /* To support IBSS, use sw-crypto for GTK */ 1547 if ((vif->type == NL80211_IFTYPE_ADHOC || 1548 vif->type == NL80211_IFTYPE_MESH_POINT) && 1549 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 1550 return -ENOSPC; 1551 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1552 "%s hardware based encryption for keyidx: %d, mac: %pM\n", 1553 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, 1554 sta ? sta->addr : bcast_addr); 1555 rtlpriv->sec.being_setkey = true; 1556 rtl_ips_nic_on(hw); 1557 mutex_lock(&rtlpriv->locks.conf_mutex); 1558 /* <1> get encryption alg */ 1559 1560 switch (key->cipher) { 1561 case WLAN_CIPHER_SUITE_WEP40: 1562 key_type = WEP40_ENCRYPTION; 1563 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); 1564 break; 1565 case WLAN_CIPHER_SUITE_WEP104: 1566 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); 1567 key_type = WEP104_ENCRYPTION; 1568 break; 1569 case WLAN_CIPHER_SUITE_TKIP: 1570 key_type = TKIP_ENCRYPTION; 1571 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); 1572 break; 1573 case WLAN_CIPHER_SUITE_CCMP: 1574 key_type = AESCCMP_ENCRYPTION; 1575 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); 1576 break; 1577 case WLAN_CIPHER_SUITE_AES_CMAC: 1578 /* HW don't support CMAC encryption, 1579 * use software CMAC encryption 1580 */ 1581 key_type = AESCMAC_ENCRYPTION; 1582 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); 1583 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1584 "HW don't support CMAC encryption, use software CMAC encryption\n"); 1585 err = -EOPNOTSUPP; 1586 goto out_unlock; 1587 default: 1588 pr_err("alg_err:%x!!!!:\n", key->cipher); 1589 goto out_unlock; 1590 } 1591 if (key_type == WEP40_ENCRYPTION || 1592 key_type == WEP104_ENCRYPTION || 1593 vif->type == NL80211_IFTYPE_ADHOC) 1594 rtlpriv->sec.use_defaultkey = true; 1595 1596 /* <2> get key_idx */ 1597 key_idx = (u8) (key->keyidx); 1598 if (key_idx > 3) 1599 goto out_unlock; 1600 /* <3> if pairwise key enable_hw_sec */ 1601 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); 1602 1603 /* wep always be group key, but there are two conditions: 1604 * 1) wep only: is just for wep enc, in this condition 1605 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION 1606 * will be true & enable_hw_sec will be set when wep 1607 * ke setting. 1608 * 2) wep(group) + AES(pairwise): some AP like cisco 1609 * may use it, in this condition enable_hw_sec will not 1610 * be set when wep key setting */ 1611 /* we must reset sec_info after lingked before set key, 1612 * or some flag will be wrong*/ 1613 if (vif->type == NL80211_IFTYPE_AP || 1614 vif->type == NL80211_IFTYPE_MESH_POINT) { 1615 if (!group_key || key_type == WEP40_ENCRYPTION || 1616 key_type == WEP104_ENCRYPTION) { 1617 if (group_key) 1618 wep_only = true; 1619 rtlpriv->cfg->ops->enable_hw_sec(hw); 1620 } 1621 } else { 1622 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || 1623 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { 1624 if (rtlpriv->sec.pairwise_enc_algorithm == 1625 NO_ENCRYPTION && 1626 (key_type == WEP40_ENCRYPTION || 1627 key_type == WEP104_ENCRYPTION)) 1628 wep_only = true; 1629 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1630 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1631 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", 1632 key_type); 1633 rtlpriv->cfg->ops->enable_hw_sec(hw); 1634 } 1635 } 1636 /* <4> set key based on cmd */ 1637 switch (cmd) { 1638 case SET_KEY: 1639 if (wep_only) { 1640 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1641 "set WEP(group/pairwise) key\n"); 1642 /* Pairwise key with an assigned MAC address. */ 1643 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1644 rtlpriv->sec.group_enc_algorithm = key_type; 1645 /*set local buf about wep key. */ 1646 memcpy(rtlpriv->sec.key_buf[key_idx], 1647 key->key, key->keylen); 1648 rtlpriv->sec.key_len[key_idx] = key->keylen; 1649 eth_zero_addr(mac_addr); 1650 } else if (group_key) { /* group key */ 1651 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1652 "set group key\n"); 1653 /* group key */ 1654 rtlpriv->sec.group_enc_algorithm = key_type; 1655 /*set local buf about group key. */ 1656 memcpy(rtlpriv->sec.key_buf[key_idx], 1657 key->key, key->keylen); 1658 rtlpriv->sec.key_len[key_idx] = key->keylen; 1659 memcpy(mac_addr, bcast_addr, ETH_ALEN); 1660 } else { /* pairwise key */ 1661 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1662 "set pairwise key\n"); 1663 if (!sta) { 1664 WARN_ONCE(true, 1665 "rtlwifi: pairwise key without mac_addr\n"); 1666 1667 err = -EOPNOTSUPP; 1668 goto out_unlock; 1669 } 1670 /* Pairwise key with an assigned MAC address. */ 1671 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1672 /*set local buf about pairwise key. */ 1673 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], 1674 key->key, key->keylen); 1675 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; 1676 rtlpriv->sec.pairwise_key = 1677 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; 1678 memcpy(mac_addr, sta->addr, ETH_ALEN); 1679 } 1680 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, 1681 group_key, key_type, wep_only, 1682 false); 1683 /* <5> tell mac80211 do something: */ 1684 /*must use sw generate IV, or can not work !!!!. */ 1685 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 1686 key->hw_key_idx = key_idx; 1687 if (key_type == TKIP_ENCRYPTION) 1688 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 1689 /*use software CCMP encryption for management frames (MFP) */ 1690 if (key_type == AESCCMP_ENCRYPTION) 1691 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 1692 break; 1693 case DISABLE_KEY: 1694 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1695 "disable key delete one entry\n"); 1696 /*set local buf about wep key. */ 1697 if (vif->type == NL80211_IFTYPE_AP || 1698 vif->type == NL80211_IFTYPE_MESH_POINT) { 1699 if (sta) 1700 rtl_cam_del_entry(hw, sta->addr); 1701 } 1702 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); 1703 rtlpriv->sec.key_len[key_idx] = 0; 1704 eth_zero_addr(mac_addr); 1705 /* 1706 *mac80211 will delete entries one by one, 1707 *so don't use rtl_cam_reset_all_entry 1708 *or clear all entry here. 1709 */ 1710 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ 1711 1712 rtl_cam_delete_one_entry(hw, mac_addr, key_idx); 1713 break; 1714 default: 1715 pr_err("cmd_err:%x!!!!:\n", cmd); 1716 } 1717 out_unlock: 1718 mutex_unlock(&rtlpriv->locks.conf_mutex); 1719 rtlpriv->sec.being_setkey = false; 1720 return err; 1721 } 1722 1723 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) 1724 { 1725 struct rtl_priv *rtlpriv = rtl_priv(hw); 1726 1727 bool radio_state; 1728 bool blocked; 1729 u8 valid = 0; 1730 1731 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1732 return; 1733 1734 mutex_lock(&rtlpriv->locks.conf_mutex); 1735 1736 /*if Radio On return true here */ 1737 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 1738 1739 if (valid) { 1740 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { 1741 rtlpriv->rfkill.rfkill_state = radio_state; 1742 1743 rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, 1744 "wireless radio switch turned %s\n", 1745 radio_state ? "on" : "off"); 1746 1747 blocked = !rtlpriv->rfkill.rfkill_state; 1748 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1749 } 1750 } 1751 1752 mutex_unlock(&rtlpriv->locks.conf_mutex); 1753 } 1754 1755 /* this function is called by mac80211 to flush tx buffer 1756 * before switch channle or power save, or tx buffer packet 1757 * maybe send after offchannel or rf sleep, this may cause 1758 * dis-association by AP */ 1759 static void rtl_op_flush(struct ieee80211_hw *hw, 1760 struct ieee80211_vif *vif, 1761 u32 queues, 1762 bool drop) 1763 { 1764 struct rtl_priv *rtlpriv = rtl_priv(hw); 1765 1766 if (rtlpriv->intf_ops->flush) 1767 rtlpriv->intf_ops->flush(hw, queues, drop); 1768 } 1769 1770 static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 1771 bool set) 1772 { 1773 struct rtl_priv *rtlpriv = rtl_priv(hw); 1774 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1775 1776 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU) 1777 schedule_work(&rtlpriv->works.update_beacon_work); 1778 1779 return 0; 1780 } 1781 1782 /* Description: 1783 * This routine deals with the Power Configuration CMD 1784 * parsing for RTL8723/RTL8188E Series IC. 1785 * Assumption: 1786 * We should follow specific format that was released from HW SD. 1787 */ 1788 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, 1789 u8 faversion, u8 interface_type, 1790 struct wlan_pwr_cfg pwrcfgcmd[]) 1791 { 1792 struct wlan_pwr_cfg cfg_cmd; 1793 bool polling_bit = false; 1794 u32 ary_idx = 0; 1795 u8 value = 0; 1796 u32 offset = 0; 1797 u32 polling_count = 0; 1798 u32 max_polling_cnt = 5000; 1799 1800 do { 1801 cfg_cmd = pwrcfgcmd[ary_idx]; 1802 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1803 "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", 1804 __func__, 1805 GET_PWR_CFG_OFFSET(cfg_cmd), 1806 GET_PWR_CFG_CUT_MASK(cfg_cmd), 1807 GET_PWR_CFG_FAB_MASK(cfg_cmd), 1808 GET_PWR_CFG_INTF_MASK(cfg_cmd), 1809 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), 1810 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); 1811 1812 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && 1813 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && 1814 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { 1815 switch (GET_PWR_CFG_CMD(cfg_cmd)) { 1816 case PWR_CMD_READ: 1817 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1818 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); 1819 break; 1820 case PWR_CMD_WRITE: 1821 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1822 "%s(): PWR_CMD_WRITE\n", __func__); 1823 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1824 1825 /*Read the value from system register*/ 1826 value = rtl_read_byte(rtlpriv, offset); 1827 value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); 1828 value |= (GET_PWR_CFG_VALUE(cfg_cmd) & 1829 GET_PWR_CFG_MASK(cfg_cmd)); 1830 1831 /*Write the value back to system register*/ 1832 rtl_write_byte(rtlpriv, offset, value); 1833 break; 1834 case PWR_CMD_POLLING: 1835 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1836 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); 1837 polling_bit = false; 1838 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1839 1840 do { 1841 value = rtl_read_byte(rtlpriv, offset); 1842 1843 value &= GET_PWR_CFG_MASK(cfg_cmd); 1844 if (value == 1845 (GET_PWR_CFG_VALUE(cfg_cmd) & 1846 GET_PWR_CFG_MASK(cfg_cmd))) 1847 polling_bit = true; 1848 else 1849 udelay(10); 1850 1851 if (polling_count++ > max_polling_cnt) 1852 return false; 1853 } while (!polling_bit); 1854 break; 1855 case PWR_CMD_DELAY: 1856 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1857 "%s: PWR_CMD_DELAY\n", __func__); 1858 if (GET_PWR_CFG_VALUE(cfg_cmd) == 1859 PWRSEQ_DELAY_US) 1860 udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1861 else 1862 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1863 break; 1864 case PWR_CMD_END: 1865 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1866 "%s: PWR_CMD_END\n", __func__); 1867 return true; 1868 default: 1869 WARN_ONCE(true, 1870 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); 1871 break; 1872 } 1873 } 1874 ary_idx++; 1875 } while (1); 1876 1877 return true; 1878 } 1879 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); 1880 1881 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 1882 { 1883 struct rtl_priv *rtlpriv = rtl_priv(hw); 1884 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 1885 struct rtl8192_tx_ring *ring; 1886 struct rtl_tx_desc *pdesc; 1887 unsigned long flags; 1888 struct sk_buff *pskb = NULL; 1889 1890 ring = &rtlpci->tx_ring[BEACON_QUEUE]; 1891 1892 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); 1893 pskb = __skb_dequeue(&ring->queue); 1894 if (pskb) 1895 dev_kfree_skb_irq(pskb); 1896 1897 /*this is wrong, fill_tx_cmddesc needs update*/ 1898 pdesc = &ring->desc[0]; 1899 1900 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb); 1901 1902 __skb_queue_tail(&ring->queue, skb); 1903 1904 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); 1905 1906 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); 1907 1908 return true; 1909 } 1910 EXPORT_SYMBOL(rtl_cmd_send_packet); 1911 const struct ieee80211_ops rtl_ops = { 1912 .start = rtl_op_start, 1913 .stop = rtl_op_stop, 1914 .tx = rtl_op_tx, 1915 .wake_tx_queue = ieee80211_handle_wake_tx_queue, 1916 .add_interface = rtl_op_add_interface, 1917 .remove_interface = rtl_op_remove_interface, 1918 .change_interface = rtl_op_change_interface, 1919 #ifdef CONFIG_PM 1920 .suspend = rtl_op_suspend, 1921 .resume = rtl_op_resume, 1922 #endif 1923 .config = rtl_op_config, 1924 .configure_filter = rtl_op_configure_filter, 1925 .set_key = rtl_op_set_key, 1926 .conf_tx = rtl_op_conf_tx, 1927 .bss_info_changed = rtl_op_bss_info_changed, 1928 .get_tsf = rtl_op_get_tsf, 1929 .set_tsf = rtl_op_set_tsf, 1930 .reset_tsf = rtl_op_reset_tsf, 1931 .sta_notify = rtl_op_sta_notify, 1932 .ampdu_action = rtl_op_ampdu_action, 1933 .sw_scan_start = rtl_op_sw_scan_start, 1934 .sw_scan_complete = rtl_op_sw_scan_complete, 1935 .rfkill_poll = rtl_op_rfkill_poll, 1936 .sta_add = rtl_op_sta_add, 1937 .sta_remove = rtl_op_sta_remove, 1938 .flush = rtl_op_flush, 1939 .set_tim = rtl_op_set_tim, 1940 }; 1941 EXPORT_SYMBOL_GPL(rtl_ops); 1942 1943 bool rtl_btc_status_false(void) 1944 { 1945 return false; 1946 } 1947 EXPORT_SYMBOL_GPL(rtl_btc_status_false); 1948 1949 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) 1950 { 1951 struct rtl_priv *rtlpriv = rtl_priv(hw); 1952 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 1953 1954 dm_digtable->dig_enable_flag = true; 1955 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 1956 dm_digtable->cur_igvalue = cur_igvalue; 1957 dm_digtable->pre_igvalue = 0; 1958 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; 1959 dm_digtable->presta_cstate = DIG_STA_DISCONNECT; 1960 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 1961 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; 1962 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; 1963 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; 1964 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; 1965 dm_digtable->rx_gain_max = DM_DIG_MAX; 1966 dm_digtable->rx_gain_min = DM_DIG_MIN; 1967 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 1968 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; 1969 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; 1970 dm_digtable->pre_cck_cca_thres = 0xff; 1971 dm_digtable->cur_cck_cca_thres = 0x83; 1972 dm_digtable->forbidden_igi = DM_DIG_MIN; 1973 dm_digtable->large_fa_hit = 0; 1974 dm_digtable->recover_cnt = 0; 1975 dm_digtable->dig_min_0 = 0x25; 1976 dm_digtable->dig_min_1 = 0x25; 1977 dm_digtable->media_connect_0 = false; 1978 dm_digtable->media_connect_1 = false; 1979 rtlpriv->dm.dm_initialgain_enable = true; 1980 dm_digtable->bt30_cur_igi = 0x32; 1981 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; 1982 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; 1983 dm_digtable->pre_cck_fa_state = 0; 1984 dm_digtable->cur_cck_fa_state = 0; 1985 } 1986 EXPORT_SYMBOL(rtl_dm_diginit); 1987