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 complete(&rtlpriv->firmware_loading_complete); 82 if (!firmware) { 83 if (rtlpriv->cfg->alt_fw_name) { 84 err = request_firmware(&firmware, 85 rtlpriv->cfg->alt_fw_name, 86 rtlpriv->io.dev); 87 pr_info("Loading alternative firmware %s\n", 88 rtlpriv->cfg->alt_fw_name); 89 if (!err) 90 goto found_alt; 91 } 92 pr_err("Selected firmware is not available\n"); 93 rtlpriv->max_fw_size = 0; 94 return; 95 } 96 found_alt: 97 if (firmware->size > rtlpriv->max_fw_size) { 98 pr_err("Firmware is too big!\n"); 99 release_firmware(firmware); 100 return; 101 } 102 if (!is_wow) { 103 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, 104 firmware->size); 105 rtlpriv->rtlhal.fwsize = firmware->size; 106 } else { 107 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data, 108 firmware->size); 109 rtlpriv->rtlhal.wowlan_fwsize = firmware->size; 110 } 111 release_firmware(firmware); 112 } 113 114 void rtl_fw_cb(const struct firmware *firmware, void *context) 115 { 116 rtl_fw_do_work(firmware, context, false); 117 } 118 EXPORT_SYMBOL(rtl_fw_cb); 119 120 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context) 121 { 122 rtl_fw_do_work(firmware, context, true); 123 } 124 EXPORT_SYMBOL(rtl_wowlan_fw_cb); 125 126 /*mutex for start & stop is must here. */ 127 static int rtl_op_start(struct ieee80211_hw *hw) 128 { 129 int err = 0; 130 struct rtl_priv *rtlpriv = rtl_priv(hw); 131 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 132 133 if (!is_hal_stop(rtlhal)) 134 return 0; 135 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 136 return 0; 137 mutex_lock(&rtlpriv->locks.conf_mutex); 138 err = rtlpriv->intf_ops->adapter_start(hw); 139 if (!err) 140 rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer); 141 mutex_unlock(&rtlpriv->locks.conf_mutex); 142 return err; 143 } 144 145 static void rtl_op_stop(struct ieee80211_hw *hw) 146 { 147 struct rtl_priv *rtlpriv = rtl_priv(hw); 148 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 149 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 150 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 151 bool support_remote_wakeup = false; 152 153 if (is_hal_stop(rtlhal)) 154 return; 155 156 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN, 157 (u8 *)(&support_remote_wakeup)); 158 /* here is must, because adhoc do stop and start, 159 * but stop with RFOFF may cause something wrong, 160 * like adhoc TP 161 */ 162 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 163 rtl_ips_nic_on(hw); 164 165 mutex_lock(&rtlpriv->locks.conf_mutex); 166 /* if wowlan supported, DON'T clear connected info */ 167 if (!(support_remote_wakeup && 168 rtlhal->enter_pnp_sleep)) { 169 mac->link_state = MAC80211_NOLINK; 170 eth_zero_addr(mac->bssid); 171 mac->vendor = PEER_UNKNOWN; 172 173 /* reset sec info */ 174 rtl_cam_reset_sec_info(hw); 175 176 rtl_deinit_deferred_work(hw, false); 177 } 178 rtlpriv->intf_ops->adapter_stop(hw); 179 180 mutex_unlock(&rtlpriv->locks.conf_mutex); 181 } 182 183 static void rtl_op_tx(struct ieee80211_hw *hw, 184 struct ieee80211_tx_control *control, 185 struct sk_buff *skb) 186 { 187 struct rtl_priv *rtlpriv = rtl_priv(hw); 188 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 189 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 190 struct rtl_tcb_desc tcb_desc; 191 192 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 193 194 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 195 goto err_free; 196 197 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 198 goto err_free; 199 200 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb)) 201 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc); 202 return; 203 204 err_free: 205 dev_kfree_skb_any(skb); 206 } 207 208 static int rtl_op_add_interface(struct ieee80211_hw *hw, 209 struct ieee80211_vif *vif) 210 { 211 struct rtl_priv *rtlpriv = rtl_priv(hw); 212 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 213 int err = 0; 214 u8 retry_limit = 0x30; 215 216 if (mac->vif) { 217 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 218 "vif has been set!! mac->vif = 0x%p\n", mac->vif); 219 return -EOPNOTSUPP; 220 } 221 222 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 223 224 rtl_ips_nic_on(hw); 225 226 mutex_lock(&rtlpriv->locks.conf_mutex); 227 switch (ieee80211_vif_type_p2p(vif)) { 228 case NL80211_IFTYPE_P2P_CLIENT: 229 mac->p2p = P2P_ROLE_CLIENT; 230 fallthrough; 231 case NL80211_IFTYPE_STATION: 232 if (mac->beacon_enabled == 1) { 233 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 234 "NL80211_IFTYPE_STATION\n"); 235 mac->beacon_enabled = 0; 236 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 237 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 238 } 239 break; 240 case NL80211_IFTYPE_ADHOC: 241 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 242 "NL80211_IFTYPE_ADHOC\n"); 243 244 mac->link_state = MAC80211_LINKED; 245 rtlpriv->cfg->ops->set_bcn_reg(hw); 246 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 247 mac->basic_rates = 0xfff; 248 else 249 mac->basic_rates = 0xff0; 250 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 251 (u8 *)(&mac->basic_rates)); 252 253 retry_limit = 0x07; 254 break; 255 case NL80211_IFTYPE_P2P_GO: 256 mac->p2p = P2P_ROLE_GO; 257 fallthrough; 258 case NL80211_IFTYPE_AP: 259 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 260 "NL80211_IFTYPE_AP\n"); 261 262 mac->link_state = MAC80211_LINKED; 263 rtlpriv->cfg->ops->set_bcn_reg(hw); 264 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 265 mac->basic_rates = 0xfff; 266 else 267 mac->basic_rates = 0xff0; 268 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 269 (u8 *)(&mac->basic_rates)); 270 271 retry_limit = 0x07; 272 break; 273 case NL80211_IFTYPE_MESH_POINT: 274 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 275 "NL80211_IFTYPE_MESH_POINT\n"); 276 277 mac->link_state = MAC80211_LINKED; 278 rtlpriv->cfg->ops->set_bcn_reg(hw); 279 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 280 mac->basic_rates = 0xfff; 281 else 282 mac->basic_rates = 0xff0; 283 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 284 (u8 *)(&mac->basic_rates)); 285 286 retry_limit = 0x07; 287 break; 288 default: 289 pr_err("operation mode %d is not supported!\n", 290 vif->type); 291 err = -EOPNOTSUPP; 292 goto out; 293 } 294 295 if (mac->p2p) { 296 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 297 "p2p role %x\n", vif->type); 298 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/ 299 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 300 (u8 *)(&mac->basic_rates)); 301 } 302 mac->vif = vif; 303 mac->opmode = vif->type; 304 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 305 memcpy(mac->mac_addr, vif->addr, ETH_ALEN); 306 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); 307 308 mac->retry_long = retry_limit; 309 mac->retry_short = retry_limit; 310 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 311 (u8 *)(&retry_limit)); 312 out: 313 mutex_unlock(&rtlpriv->locks.conf_mutex); 314 return err; 315 } 316 317 static void rtl_op_remove_interface(struct ieee80211_hw *hw, 318 struct ieee80211_vif *vif) 319 { 320 struct rtl_priv *rtlpriv = rtl_priv(hw); 321 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 322 323 mutex_lock(&rtlpriv->locks.conf_mutex); 324 325 /* Free beacon resources */ 326 if (vif->type == NL80211_IFTYPE_AP || 327 vif->type == NL80211_IFTYPE_ADHOC || 328 vif->type == NL80211_IFTYPE_MESH_POINT) { 329 if (mac->beacon_enabled == 1) { 330 mac->beacon_enabled = 0; 331 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 332 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 333 } 334 } 335 336 /* 337 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as 338 *NO LINK for our hardware. 339 */ 340 mac->p2p = 0; 341 mac->vif = NULL; 342 mac->link_state = MAC80211_NOLINK; 343 eth_zero_addr(mac->bssid); 344 mac->vendor = PEER_UNKNOWN; 345 mac->opmode = NL80211_IFTYPE_UNSPECIFIED; 346 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 347 348 mutex_unlock(&rtlpriv->locks.conf_mutex); 349 } 350 351 static int rtl_op_change_interface(struct ieee80211_hw *hw, 352 struct ieee80211_vif *vif, 353 enum nl80211_iftype new_type, bool p2p) 354 { 355 struct rtl_priv *rtlpriv = rtl_priv(hw); 356 int ret; 357 358 rtl_op_remove_interface(hw, vif); 359 360 vif->type = new_type; 361 vif->p2p = p2p; 362 ret = rtl_op_add_interface(hw, vif); 363 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 364 "p2p %x\n", p2p); 365 return ret; 366 } 367 368 #ifdef CONFIG_PM 369 static u16 crc16_ccitt(u8 data, u16 crc) 370 { 371 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15; 372 u8 i; 373 u16 result; 374 375 for (i = 0; i < 8; i++) { 376 crc_bit15 = ((crc & BIT(15)) ? 1 : 0); 377 data_bit = (data & (BIT(0) << i) ? 1 : 0); 378 shift_in = crc_bit15 ^ data_bit; 379 380 result = crc << 1; 381 if (shift_in == 0) 382 result &= (~BIT(0)); 383 else 384 result |= BIT(0); 385 386 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in; 387 if (crc_bit11 == 0) 388 result &= (~BIT(12)); 389 else 390 result |= BIT(12); 391 392 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in; 393 if (crc_bit4 == 0) 394 result &= (~BIT(5)); 395 else 396 result |= BIT(5); 397 398 crc = result; 399 } 400 401 return crc; 402 } 403 404 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len) 405 { 406 u16 crc = 0xffff; 407 u32 i; 408 409 for (i = 0; i < len; i++) 410 crc = crc16_ccitt(pattern[i], crc); 411 412 crc = ~crc; 413 414 return crc; 415 } 416 417 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, 418 struct cfg80211_wowlan *wow) 419 { 420 struct rtl_priv *rtlpriv = rtl_priv(hw); 421 struct rtl_mac *mac = &rtlpriv->mac80211; 422 struct cfg80211_pkt_pattern *patterns = wow->patterns; 423 struct rtl_wow_pattern rtl_pattern; 424 const u8 *pattern_os, *mask_os; 425 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0}; 426 u8 content[MAX_WOL_PATTERN_SIZE] = {0}; 427 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 428 u8 multicast_addr1[2] = {0x33, 0x33}; 429 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e}; 430 u8 i, mask_len; 431 u16 j, len; 432 433 for (i = 0; i < wow->n_patterns; i++) { 434 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern)); 435 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE); 436 if (patterns[i].pattern_len < 0 || 437 patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { 438 rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING, 439 "Pattern[%d] is too long\n", i); 440 continue; 441 } 442 pattern_os = patterns[i].pattern; 443 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8); 444 mask_os = patterns[i].mask; 445 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 446 "pattern content\n", pattern_os, 447 patterns[i].pattern_len); 448 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 449 "mask content\n", mask_os, mask_len); 450 /* 1. unicast? multicast? or broadcast? */ 451 if (memcmp(pattern_os, broadcast_addr, 6) == 0) 452 rtl_pattern.type = BROADCAST_PATTERN; 453 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 || 454 memcmp(pattern_os, multicast_addr2, 3) == 0) 455 rtl_pattern.type = MULTICAST_PATTERN; 456 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0) 457 rtl_pattern.type = UNICAST_PATTERN; 458 else 459 rtl_pattern.type = UNKNOWN_TYPE; 460 461 /* 2. translate mask_from_os to mask_for_hw */ 462 463 /****************************************************************************** 464 * pattern from OS uses 'ethenet frame', like this: 465 466 | 6 | 6 | 2 | 20 | Variable | 4 | 467 |--------+--------+------+-----------+------------+-----| 468 | 802.3 Mac Header | IP Header | TCP Packet | FCS | 469 | DA | SA | Type | 470 471 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC, 472 473 | 24 or 30 | 6 | 2 | 20 | Variable | 4 | 474 |-------------------+--------+------+-----------+------------+-----| 475 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS | 476 | Others | Tpye | 477 478 * Therefore, we need translate mask_from_OS to mask_to_hw. 479 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0, 480 * because new mask[0~5] means 'SA', but our HW packet begins from LLC, 481 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match. 482 ******************************************************************************/ 483 484 /* Shift 6 bits */ 485 for (j = 0; j < mask_len - 1; j++) { 486 mask[j] = mask_os[j] >> 6; 487 mask[j] |= (mask_os[j + 1] & 0x3F) << 2; 488 } 489 mask[j] = (mask_os[j] >> 6) & 0x3F; 490 /* Set bit 0-5 to zero */ 491 mask[0] &= 0xC0; 492 493 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 494 "mask to hw\n", mask, mask_len); 495 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) { 496 rtl_pattern.mask[j] = mask[j * 4]; 497 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8); 498 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16); 499 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24); 500 } 501 502 /* To get the wake up pattern from the mask. 503 * We do not count first 12 bits which means 504 * DA[6] and SA[6] in the pattern to match HW design. 505 */ 506 len = 0; 507 for (j = 12; j < patterns[i].pattern_len; j++) { 508 if ((mask_os[j / 8] >> (j % 8)) & 0x01) { 509 content[len] = pattern_os[j]; 510 len++; 511 } 512 } 513 514 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 515 "pattern to hw\n", content, len); 516 /* 3. calculate crc */ 517 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len); 518 rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE, 519 "CRC_Remainder = 0x%x\n", rtl_pattern.crc); 520 521 /* 4. write crc & mask_for_hw to hw */ 522 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i); 523 } 524 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns); 525 } 526 527 static int rtl_op_suspend(struct ieee80211_hw *hw, 528 struct cfg80211_wowlan *wow) 529 { 530 struct rtl_priv *rtlpriv = rtl_priv(hw); 531 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 532 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 533 534 rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 535 if (WARN_ON(!wow)) 536 return -EINVAL; 537 538 /* to resolve s4 can not wake up*/ 539 rtlhal->last_suspend_sec = ktime_get_real_seconds(); 540 541 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns) 542 _rtl_add_wowlan_patterns(hw, wow); 543 544 rtlhal->driver_is_goingto_unload = true; 545 rtlhal->enter_pnp_sleep = true; 546 547 rtl_lps_leave(hw, true); 548 rtl_op_stop(hw); 549 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true); 550 return 0; 551 } 552 553 static int rtl_op_resume(struct ieee80211_hw *hw) 554 { 555 struct rtl_priv *rtlpriv = rtl_priv(hw); 556 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 557 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 558 time64_t now; 559 560 rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 561 rtlhal->driver_is_goingto_unload = false; 562 rtlhal->enter_pnp_sleep = false; 563 rtlhal->wake_from_pnp_sleep = true; 564 565 /* to resovle s4 can not wake up*/ 566 now = ktime_get_real_seconds(); 567 if (now - rtlhal->last_suspend_sec < 5) 568 return -1; 569 570 rtl_op_start(hw); 571 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false); 572 ieee80211_resume_disconnect(mac->vif); 573 rtlhal->wake_from_pnp_sleep = false; 574 return 0; 575 } 576 #endif 577 578 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) 579 { 580 struct rtl_priv *rtlpriv = rtl_priv(hw); 581 struct rtl_phy *rtlphy = &(rtlpriv->phy); 582 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 583 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 584 struct ieee80211_conf *conf = &hw->conf; 585 586 if (mac->skip_scan) 587 return 1; 588 589 mutex_lock(&rtlpriv->locks.conf_mutex); 590 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/ 591 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 592 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); 593 } 594 595 /*For IPS */ 596 if (changed & IEEE80211_CONF_CHANGE_IDLE) { 597 if (hw->conf.flags & IEEE80211_CONF_IDLE) 598 rtl_ips_nic_off(hw); 599 else 600 rtl_ips_nic_on(hw); 601 } else { 602 /* 603 *although rfoff may not cause by ips, but we will 604 *check the reason in set_rf_power_state function 605 */ 606 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 607 rtl_ips_nic_on(hw); 608 } 609 610 /*For LPS */ 611 if ((changed & IEEE80211_CONF_CHANGE_PS) && 612 rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) { 613 cancel_delayed_work(&rtlpriv->works.ps_work); 614 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 615 if (conf->flags & IEEE80211_CONF_PS) { 616 rtlpriv->psc.sw_ps_enabled = true; 617 /* sleep here is must, or we may recv the beacon and 618 * cause mac80211 into wrong ps state, this will cause 619 * power save nullfunc send fail, and further cause 620 * pkt loss, So sleep must quickly but not immediatly 621 * because that will cause nullfunc send by mac80211 622 * fail, and cause pkt loss, we have tested that 5mA 623 * is worked very well */ 624 if (!rtlpriv->psc.multi_buffered) 625 queue_delayed_work(rtlpriv->works.rtl_wq, 626 &rtlpriv->works.ps_work, 627 MSECS(5)); 628 } else { 629 rtl_swlps_rf_awake(hw); 630 rtlpriv->psc.sw_ps_enabled = false; 631 } 632 } 633 634 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { 635 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 636 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", 637 hw->conf.long_frame_max_tx_count); 638 /* brought up everything changes (changed == ~0) indicates first 639 * open, so use our default value instead of that of wiphy. 640 */ 641 if (changed != ~0) { 642 mac->retry_long = hw->conf.long_frame_max_tx_count; 643 mac->retry_short = hw->conf.long_frame_max_tx_count; 644 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 645 (u8 *)(&hw->conf.long_frame_max_tx_count)); 646 } 647 } 648 649 if (changed & IEEE80211_CONF_CHANGE_CHANNEL && 650 !rtlpriv->proximity.proxim_on) { 651 struct ieee80211_channel *channel = hw->conf.chandef.chan; 652 enum nl80211_chan_width width = hw->conf.chandef.width; 653 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; 654 u8 wide_chan = (u8) channel->hw_value; 655 656 /* channel_type is for 20&40M */ 657 if (width < NL80211_CHAN_WIDTH_80) 658 channel_type = 659 cfg80211_get_chandef_type(&hw->conf.chandef); 660 if (mac->act_scanning) 661 mac->n_channels++; 662 663 if (rtlpriv->dm.supp_phymode_switch && 664 mac->link_state < MAC80211_LINKED && 665 !mac->act_scanning) { 666 if (rtlpriv->cfg->ops->chk_switch_dmdp) 667 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 668 } 669 670 /* 671 *because we should back channel to 672 *current_network.chan in in scanning, 673 *So if set_chan == current_network.chan 674 *we should set it. 675 *because mac80211 tell us wrong bw40 676 *info for cisco1253 bw20, so we modify 677 *it here based on UPPER & LOWER 678 */ 679 680 if (width >= NL80211_CHAN_WIDTH_80) { 681 if (width == NL80211_CHAN_WIDTH_80) { 682 u32 center = hw->conf.chandef.center_freq1; 683 u32 primary = 684 (u32)hw->conf.chandef.chan->center_freq; 685 686 rtlphy->current_chan_bw = 687 HT_CHANNEL_WIDTH_80; 688 mac->bw_80 = true; 689 mac->bw_40 = true; 690 if (center > primary) { 691 mac->cur_80_prime_sc = 692 PRIME_CHNL_OFFSET_LOWER; 693 if (center - primary == 10) { 694 mac->cur_40_prime_sc = 695 PRIME_CHNL_OFFSET_UPPER; 696 697 wide_chan += 2; 698 } else if (center - primary == 30) { 699 mac->cur_40_prime_sc = 700 PRIME_CHNL_OFFSET_LOWER; 701 702 wide_chan += 6; 703 } 704 } else { 705 mac->cur_80_prime_sc = 706 PRIME_CHNL_OFFSET_UPPER; 707 if (primary - center == 10) { 708 mac->cur_40_prime_sc = 709 PRIME_CHNL_OFFSET_LOWER; 710 711 wide_chan -= 2; 712 } else if (primary - center == 30) { 713 mac->cur_40_prime_sc = 714 PRIME_CHNL_OFFSET_UPPER; 715 716 wide_chan -= 6; 717 } 718 } 719 } 720 } else { 721 switch (channel_type) { 722 case NL80211_CHAN_HT20: 723 case NL80211_CHAN_NO_HT: 724 /* SC */ 725 mac->cur_40_prime_sc = 726 PRIME_CHNL_OFFSET_DONT_CARE; 727 rtlphy->current_chan_bw = 728 HT_CHANNEL_WIDTH_20; 729 mac->bw_40 = false; 730 mac->bw_80 = false; 731 break; 732 case NL80211_CHAN_HT40MINUS: 733 /* SC */ 734 mac->cur_40_prime_sc = 735 PRIME_CHNL_OFFSET_UPPER; 736 rtlphy->current_chan_bw = 737 HT_CHANNEL_WIDTH_20_40; 738 mac->bw_40 = true; 739 mac->bw_80 = false; 740 741 /*wide channel */ 742 wide_chan -= 2; 743 744 break; 745 case NL80211_CHAN_HT40PLUS: 746 /* SC */ 747 mac->cur_40_prime_sc = 748 PRIME_CHNL_OFFSET_LOWER; 749 rtlphy->current_chan_bw = 750 HT_CHANNEL_WIDTH_20_40; 751 mac->bw_40 = true; 752 mac->bw_80 = false; 753 754 /*wide channel */ 755 wide_chan += 2; 756 757 break; 758 default: 759 mac->bw_40 = false; 760 mac->bw_80 = false; 761 pr_err("switch case %#x not processed\n", 762 channel_type); 763 break; 764 } 765 } 766 767 if (wide_chan <= 0) 768 wide_chan = 1; 769 770 /* In scanning, when before we offchannel we may send a ps=1 771 * null to AP, and then we may send a ps = 0 null to AP quickly, 772 * but first null may have caused AP to put lots of packet to 773 * hw tx buffer. These packets must be tx'd before we go off 774 * channel so we must delay more time to let AP flush these 775 * packets before going offchannel, or dis-association or 776 * delete BA will be caused by AP 777 */ 778 if (rtlpriv->mac80211.offchan_delay) { 779 rtlpriv->mac80211.offchan_delay = false; 780 mdelay(50); 781 } 782 783 rtlphy->current_channel = wide_chan; 784 785 rtlpriv->cfg->ops->switch_channel(hw); 786 rtlpriv->cfg->ops->set_channel_access(hw); 787 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type); 788 } 789 790 mutex_unlock(&rtlpriv->locks.conf_mutex); 791 792 return 0; 793 } 794 795 static void rtl_op_configure_filter(struct ieee80211_hw *hw, 796 unsigned int changed_flags, 797 unsigned int *new_flags, u64 multicast) 798 { 799 bool update_rcr = false; 800 struct rtl_priv *rtlpriv = rtl_priv(hw); 801 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 802 803 *new_flags &= RTL_SUPPORTED_FILTERS; 804 if (0 == changed_flags) 805 return; 806 807 /*TODO: we disable broadcase now, so enable here */ 808 if (changed_flags & FIF_ALLMULTI) { 809 if (*new_flags & FIF_ALLMULTI) { 810 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | 811 rtlpriv->cfg->maps[MAC_RCR_AB]; 812 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 813 "Enable receive multicast frame\n"); 814 } else { 815 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | 816 rtlpriv->cfg->maps[MAC_RCR_AB]); 817 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 818 "Disable receive multicast frame\n"); 819 } 820 update_rcr = true; 821 } 822 823 if (changed_flags & FIF_FCSFAIL) { 824 if (*new_flags & FIF_FCSFAIL) { 825 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 826 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 827 "Enable receive FCS error frame\n"); 828 } else { 829 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 830 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 831 "Disable receive FCS error frame\n"); 832 } 833 if (!update_rcr) 834 update_rcr = true; 835 } 836 837 /* if ssid not set to hw don't check bssid 838 * here just used for linked scanning, & linked 839 * and nolink check bssid is set in set network_type 840 */ 841 if (changed_flags & FIF_BCN_PRBRESP_PROMISC && 842 mac->link_state >= MAC80211_LINKED) { 843 if (mac->opmode != NL80211_IFTYPE_AP && 844 mac->opmode != NL80211_IFTYPE_MESH_POINT) { 845 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 846 rtlpriv->cfg->ops->set_chk_bssid(hw, false); 847 else 848 rtlpriv->cfg->ops->set_chk_bssid(hw, true); 849 if (update_rcr) 850 update_rcr = false; 851 } 852 } 853 854 if (changed_flags & FIF_CONTROL) { 855 if (*new_flags & FIF_CONTROL) { 856 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; 857 858 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 859 "Enable receive control frame.\n"); 860 } else { 861 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; 862 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 863 "Disable receive control frame.\n"); 864 } 865 if (!update_rcr) 866 update_rcr = true; 867 } 868 869 if (changed_flags & FIF_OTHER_BSS) { 870 if (*new_flags & FIF_OTHER_BSS) { 871 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; 872 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 873 "Enable receive other BSS's frame.\n"); 874 } else { 875 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; 876 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 877 "Disable receive other BSS's frame.\n"); 878 } 879 if (!update_rcr) 880 update_rcr = true; 881 } 882 883 if (update_rcr) 884 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, 885 (u8 *)(&mac->rx_conf)); 886 } 887 888 static int rtl_op_sta_add(struct ieee80211_hw *hw, 889 struct ieee80211_vif *vif, 890 struct ieee80211_sta *sta) 891 { 892 struct rtl_priv *rtlpriv = rtl_priv(hw); 893 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 894 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 895 struct rtl_sta_info *sta_entry; 896 897 if (sta) { 898 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 899 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 900 list_add_tail(&sta_entry->list, &rtlpriv->entry_list); 901 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 902 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 903 sta_entry->wireless_mode = WIRELESS_MODE_G; 904 if (sta->supp_rates[0] <= 0xf) 905 sta_entry->wireless_mode = WIRELESS_MODE_B; 906 if (sta->ht_cap.ht_supported) 907 sta_entry->wireless_mode = WIRELESS_MODE_N_24G; 908 909 if (vif->type == NL80211_IFTYPE_ADHOC) 910 sta_entry->wireless_mode = WIRELESS_MODE_G; 911 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 912 sta_entry->wireless_mode = WIRELESS_MODE_A; 913 if (sta->ht_cap.ht_supported) 914 sta_entry->wireless_mode = WIRELESS_MODE_N_5G; 915 if (sta->vht_cap.vht_supported) 916 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G; 917 918 if (vif->type == NL80211_IFTYPE_ADHOC) 919 sta_entry->wireless_mode = WIRELESS_MODE_A; 920 } 921 /*disable cck rate for p2p*/ 922 if (mac->p2p) 923 sta->supp_rates[0] &= 0xfffffff0; 924 925 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); 926 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 927 "Add sta addr is %pM\n", sta->addr); 928 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); 929 } 930 931 return 0; 932 } 933 934 static int rtl_op_sta_remove(struct ieee80211_hw *hw, 935 struct ieee80211_vif *vif, 936 struct ieee80211_sta *sta) 937 { 938 struct rtl_priv *rtlpriv = rtl_priv(hw); 939 struct rtl_sta_info *sta_entry; 940 941 if (sta) { 942 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 943 "Remove sta addr is %pM\n", sta->addr); 944 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 945 sta_entry->wireless_mode = 0; 946 sta_entry->ratr_index = 0; 947 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 948 list_del(&sta_entry->list); 949 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 950 } 951 return 0; 952 } 953 954 static int _rtl_get_hal_qnum(u16 queue) 955 { 956 int qnum; 957 958 switch (queue) { 959 case 0: 960 qnum = AC3_VO; 961 break; 962 case 1: 963 qnum = AC2_VI; 964 break; 965 case 2: 966 qnum = AC0_BE; 967 break; 968 case 3: 969 qnum = AC1_BK; 970 break; 971 default: 972 qnum = AC0_BE; 973 break; 974 } 975 return qnum; 976 } 977 978 /* 979 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 980 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 981 */ 982 static int rtl_op_conf_tx(struct ieee80211_hw *hw, 983 struct ieee80211_vif *vif, u16 queue, 984 const struct ieee80211_tx_queue_params *param) 985 { 986 struct rtl_priv *rtlpriv = rtl_priv(hw); 987 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 988 int aci; 989 990 if (queue >= AC_MAX) { 991 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 992 "queue number %d is incorrect!\n", queue); 993 return -EINVAL; 994 } 995 996 aci = _rtl_get_hal_qnum(queue); 997 mac->ac[aci].aifs = param->aifs; 998 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); 999 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); 1000 mac->ac[aci].tx_op = cpu_to_le16(param->txop); 1001 memcpy(&mac->edca_param[aci], param, sizeof(*param)); 1002 rtlpriv->cfg->ops->set_qos(hw, aci); 1003 return 0; 1004 } 1005 1006 static void send_beacon_frame(struct ieee80211_hw *hw, 1007 struct ieee80211_vif *vif) 1008 { 1009 struct rtl_priv *rtlpriv = rtl_priv(hw); 1010 struct sk_buff *skb = ieee80211_beacon_get(hw, vif); 1011 struct rtl_tcb_desc tcb_desc; 1012 1013 if (skb) { 1014 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1015 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); 1016 } 1017 } 1018 1019 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, 1020 struct ieee80211_vif *vif, 1021 struct ieee80211_bss_conf *bss_conf, 1022 u32 changed) 1023 { 1024 struct rtl_priv *rtlpriv = rtl_priv(hw); 1025 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 1026 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1027 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1028 1029 mutex_lock(&rtlpriv->locks.conf_mutex); 1030 if (vif->type == NL80211_IFTYPE_ADHOC || 1031 vif->type == NL80211_IFTYPE_AP || 1032 vif->type == NL80211_IFTYPE_MESH_POINT) { 1033 if (changed & BSS_CHANGED_BEACON || 1034 (changed & BSS_CHANGED_BEACON_ENABLED && 1035 bss_conf->enable_beacon)) { 1036 if (mac->beacon_enabled == 0) { 1037 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1038 "BSS_CHANGED_BEACON_ENABLED\n"); 1039 1040 /*start hw beacon interrupt. */ 1041 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ 1042 mac->beacon_enabled = 1; 1043 rtlpriv->cfg->ops->update_interrupt_mask(hw, 1044 rtlpriv->cfg->maps 1045 [RTL_IBSS_INT_MASKS], 0); 1046 1047 if (rtlpriv->cfg->ops->linked_set_reg) 1048 rtlpriv->cfg->ops->linked_set_reg(hw); 1049 send_beacon_frame(hw, vif); 1050 } 1051 } 1052 if ((changed & BSS_CHANGED_BEACON_ENABLED && 1053 !bss_conf->enable_beacon)) { 1054 if (mac->beacon_enabled == 1) { 1055 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1056 "ADHOC DISABLE BEACON\n"); 1057 1058 mac->beacon_enabled = 0; 1059 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 1060 rtlpriv->cfg->maps 1061 [RTL_IBSS_INT_MASKS]); 1062 } 1063 } 1064 if (changed & BSS_CHANGED_BEACON_INT) { 1065 rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE, 1066 "BSS_CHANGED_BEACON_INT\n"); 1067 mac->beacon_interval = bss_conf->beacon_int; 1068 rtlpriv->cfg->ops->set_bcn_intv(hw); 1069 } 1070 } 1071 1072 /*TODO: reference to enum ieee80211_bss_change */ 1073 if (changed & BSS_CHANGED_ASSOC) { 1074 u8 mstatus; 1075 1076 if (bss_conf->assoc) { 1077 struct ieee80211_sta *sta = NULL; 1078 u8 keep_alive = 10; 1079 1080 mstatus = RT_MEDIA_CONNECT; 1081 /* we should reset all sec info & cam 1082 * before set cam after linked, we should not 1083 * reset in disassoc, that will cause tkip->wep 1084 * fail because some flag will be wrong */ 1085 /* reset sec info */ 1086 rtl_cam_reset_sec_info(hw); 1087 /* reset cam to fix wep fail issue 1088 * when change from wpa to wep */ 1089 rtl_cam_reset_all_entry(hw); 1090 1091 mac->link_state = MAC80211_LINKED; 1092 mac->cnt_after_linked = 0; 1093 mac->assoc_id = bss_conf->aid; 1094 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1095 1096 if (rtlpriv->cfg->ops->linked_set_reg) 1097 rtlpriv->cfg->ops->linked_set_reg(hw); 1098 1099 rcu_read_lock(); 1100 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1101 if (!sta) { 1102 rcu_read_unlock(); 1103 goto out; 1104 } 1105 rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, 1106 "send PS STATIC frame\n"); 1107 if (rtlpriv->dm.supp_phymode_switch) { 1108 if (sta->ht_cap.ht_supported) 1109 rtl_send_smps_action(hw, sta, 1110 IEEE80211_SMPS_STATIC); 1111 } 1112 1113 if (rtlhal->current_bandtype == BAND_ON_5G) { 1114 mac->mode = WIRELESS_MODE_A; 1115 } else { 1116 if (sta->supp_rates[0] <= 0xf) 1117 mac->mode = WIRELESS_MODE_B; 1118 else 1119 mac->mode = WIRELESS_MODE_G; 1120 } 1121 1122 if (sta->ht_cap.ht_supported) { 1123 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1124 mac->mode = WIRELESS_MODE_N_24G; 1125 else 1126 mac->mode = WIRELESS_MODE_N_5G; 1127 } 1128 1129 if (sta->vht_cap.vht_supported) { 1130 if (rtlhal->current_bandtype == BAND_ON_5G) 1131 mac->mode = WIRELESS_MODE_AC_5G; 1132 else 1133 mac->mode = WIRELESS_MODE_AC_24G; 1134 } 1135 1136 if (vif->type == NL80211_IFTYPE_STATION) 1137 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, 1138 true); 1139 rcu_read_unlock(); 1140 1141 /* to avoid AP Disassociation caused by inactivity */ 1142 rtlpriv->cfg->ops->set_hw_reg(hw, 1143 HW_VAR_KEEP_ALIVE, 1144 (u8 *)(&keep_alive)); 1145 1146 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1147 "BSS_CHANGED_ASSOC\n"); 1148 } else { 1149 struct cfg80211_bss *bss = NULL; 1150 1151 mstatus = RT_MEDIA_DISCONNECT; 1152 1153 if (mac->link_state == MAC80211_LINKED) 1154 rtl_lps_leave(hw, true); 1155 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) 1156 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); 1157 mac->link_state = MAC80211_NOLINK; 1158 1159 bss = cfg80211_get_bss(hw->wiphy, NULL, 1160 (u8 *)mac->bssid, NULL, 0, 1161 IEEE80211_BSS_TYPE_ESS, 1162 IEEE80211_PRIVACY_OFF); 1163 1164 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1165 "bssid = %pMF\n", mac->bssid); 1166 1167 if (bss) { 1168 cfg80211_unlink_bss(hw->wiphy, bss); 1169 cfg80211_put_bss(hw->wiphy, bss); 1170 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1171 "cfg80211_unlink !!\n"); 1172 } 1173 1174 eth_zero_addr(mac->bssid); 1175 mac->vendor = PEER_UNKNOWN; 1176 mac->mode = 0; 1177 1178 if (rtlpriv->dm.supp_phymode_switch) { 1179 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1180 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1181 } 1182 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1183 "BSS_CHANGED_UN_ASSOC\n"); 1184 } 1185 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 1186 /* For FW LPS: 1187 * To tell firmware we have connected or disconnected 1188 */ 1189 rtlpriv->cfg->ops->set_hw_reg(hw, 1190 HW_VAR_H2C_FW_JOINBSSRPT, 1191 (u8 *)(&mstatus)); 1192 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? 1193 true : false; 1194 1195 if (rtlpriv->cfg->ops->get_btc_status()) 1196 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( 1197 rtlpriv, mstatus); 1198 } 1199 1200 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 1201 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1202 "BSS_CHANGED_ERP_CTS_PROT\n"); 1203 mac->use_cts_protect = bss_conf->use_cts_prot; 1204 } 1205 1206 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 1207 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, 1208 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", 1209 bss_conf->use_short_preamble); 1210 1211 mac->short_preamble = bss_conf->use_short_preamble; 1212 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, 1213 (u8 *)(&mac->short_preamble)); 1214 } 1215 1216 if (changed & BSS_CHANGED_ERP_SLOT) { 1217 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1218 "BSS_CHANGED_ERP_SLOT\n"); 1219 1220 if (bss_conf->use_short_slot) 1221 mac->slot_time = RTL_SLOT_TIME_9; 1222 else 1223 mac->slot_time = RTL_SLOT_TIME_20; 1224 1225 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, 1226 (u8 *)(&mac->slot_time)); 1227 } 1228 1229 if (changed & BSS_CHANGED_HT) { 1230 struct ieee80211_sta *sta = NULL; 1231 1232 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1233 "BSS_CHANGED_HT\n"); 1234 1235 rcu_read_lock(); 1236 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1237 if (sta) { 1238 if (sta->ht_cap.ampdu_density > 1239 mac->current_ampdu_density) 1240 mac->current_ampdu_density = 1241 sta->ht_cap.ampdu_density; 1242 if (sta->ht_cap.ampdu_factor < 1243 mac->current_ampdu_factor) 1244 mac->current_ampdu_factor = 1245 sta->ht_cap.ampdu_factor; 1246 } 1247 rcu_read_unlock(); 1248 1249 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, 1250 (u8 *)(&mac->max_mss_density)); 1251 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, 1252 &mac->current_ampdu_factor); 1253 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, 1254 &mac->current_ampdu_density); 1255 } 1256 1257 if (changed & BSS_CHANGED_BSSID) { 1258 u32 basic_rates; 1259 struct ieee80211_sta *sta = NULL; 1260 1261 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, 1262 (u8 *)bss_conf->bssid); 1263 1264 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, 1265 "bssid: %pM\n", bss_conf->bssid); 1266 1267 mac->vendor = PEER_UNKNOWN; 1268 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1269 1270 rcu_read_lock(); 1271 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1272 if (!sta) { 1273 rcu_read_unlock(); 1274 goto out; 1275 } 1276 1277 if (rtlhal->current_bandtype == BAND_ON_5G) { 1278 mac->mode = WIRELESS_MODE_A; 1279 } else { 1280 if (sta->supp_rates[0] <= 0xf) 1281 mac->mode = WIRELESS_MODE_B; 1282 else 1283 mac->mode = WIRELESS_MODE_G; 1284 } 1285 1286 if (sta->ht_cap.ht_supported) { 1287 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1288 mac->mode = WIRELESS_MODE_N_24G; 1289 else 1290 mac->mode = WIRELESS_MODE_N_5G; 1291 } 1292 1293 if (sta->vht_cap.vht_supported) { 1294 if (rtlhal->current_bandtype == BAND_ON_5G) 1295 mac->mode = WIRELESS_MODE_AC_5G; 1296 else 1297 mac->mode = WIRELESS_MODE_AC_24G; 1298 } 1299 1300 /* just station need it, because ibss & ap mode will 1301 * set in sta_add, and will be NULL here */ 1302 if (vif->type == NL80211_IFTYPE_STATION) { 1303 struct rtl_sta_info *sta_entry; 1304 1305 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1306 sta_entry->wireless_mode = mac->mode; 1307 } 1308 1309 if (sta->ht_cap.ht_supported) { 1310 mac->ht_enable = true; 1311 1312 /* 1313 * for cisco 1252 bw20 it's wrong 1314 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { 1315 * mac->bw_40 = true; 1316 * } 1317 * */ 1318 } 1319 1320 if (sta->vht_cap.vht_supported) 1321 mac->vht_enable = true; 1322 1323 if (changed & BSS_CHANGED_BASIC_RATES) { 1324 /* for 5G must << RATE_6M_INDEX = 4, 1325 * because 5G have no cck rate*/ 1326 if (rtlhal->current_bandtype == BAND_ON_5G) 1327 basic_rates = sta->supp_rates[1] << 4; 1328 else 1329 basic_rates = sta->supp_rates[0]; 1330 1331 mac->basic_rates = basic_rates; 1332 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 1333 (u8 *)(&basic_rates)); 1334 } 1335 rcu_read_unlock(); 1336 } 1337 out: 1338 mutex_unlock(&rtlpriv->locks.conf_mutex); 1339 } 1340 1341 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1342 { 1343 struct rtl_priv *rtlpriv = rtl_priv(hw); 1344 u64 tsf; 1345 1346 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); 1347 return tsf; 1348 } 1349 1350 static void rtl_op_set_tsf(struct ieee80211_hw *hw, 1351 struct ieee80211_vif *vif, u64 tsf) 1352 { 1353 struct rtl_priv *rtlpriv = rtl_priv(hw); 1354 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1355 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 1356 1357 mac->tsf = tsf; 1358 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); 1359 } 1360 1361 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1362 { 1363 struct rtl_priv *rtlpriv = rtl_priv(hw); 1364 u8 tmp = 0; 1365 1366 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); 1367 } 1368 1369 static void rtl_op_sta_notify(struct ieee80211_hw *hw, 1370 struct ieee80211_vif *vif, 1371 enum sta_notify_cmd cmd, 1372 struct ieee80211_sta *sta) 1373 { 1374 switch (cmd) { 1375 case STA_NOTIFY_SLEEP: 1376 break; 1377 case STA_NOTIFY_AWAKE: 1378 break; 1379 default: 1380 break; 1381 } 1382 } 1383 1384 static int rtl_op_ampdu_action(struct ieee80211_hw *hw, 1385 struct ieee80211_vif *vif, 1386 struct ieee80211_ampdu_params *params) 1387 { 1388 struct rtl_priv *rtlpriv = rtl_priv(hw); 1389 struct ieee80211_sta *sta = params->sta; 1390 enum ieee80211_ampdu_mlme_action action = params->action; 1391 u16 tid = params->tid; 1392 u16 *ssn = ¶ms->ssn; 1393 1394 switch (action) { 1395 case IEEE80211_AMPDU_TX_START: 1396 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1397 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); 1398 return rtl_tx_agg_start(hw, vif, sta, tid, ssn); 1399 case IEEE80211_AMPDU_TX_STOP_CONT: 1400 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1401 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1402 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1403 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); 1404 return rtl_tx_agg_stop(hw, vif, sta, tid); 1405 case IEEE80211_AMPDU_TX_OPERATIONAL: 1406 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1407 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); 1408 rtl_tx_agg_oper(hw, sta, tid); 1409 break; 1410 case IEEE80211_AMPDU_RX_START: 1411 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1412 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); 1413 return rtl_rx_agg_start(hw, sta, tid); 1414 case IEEE80211_AMPDU_RX_STOP: 1415 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, 1416 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); 1417 return rtl_rx_agg_stop(hw, sta, tid); 1418 default: 1419 pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); 1420 return -EOPNOTSUPP; 1421 } 1422 return 0; 1423 } 1424 1425 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, 1426 struct ieee80211_vif *vif, 1427 const u8 *mac_addr) 1428 { 1429 struct rtl_priv *rtlpriv = rtl_priv(hw); 1430 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1431 1432 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1433 mac->act_scanning = true; 1434 if (rtlpriv->link_info.higher_busytraffic) { 1435 mac->skip_scan = true; 1436 return; 1437 } 1438 1439 if (rtlpriv->cfg->ops->get_btc_status()) 1440 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); 1441 else if (rtlpriv->btcoexist.btc_ops) 1442 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1443 1); 1444 1445 if (rtlpriv->dm.supp_phymode_switch) { 1446 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1447 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1448 } 1449 1450 if (mac->link_state == MAC80211_LINKED) { 1451 rtl_lps_leave(hw, true); 1452 mac->link_state = MAC80211_LINKED_SCANNING; 1453 } else { 1454 rtl_ips_nic_on(hw); 1455 } 1456 1457 /* Dul mac */ 1458 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1459 1460 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); 1461 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); 1462 } 1463 1464 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, 1465 struct ieee80211_vif *vif) 1466 { 1467 struct rtl_priv *rtlpriv = rtl_priv(hw); 1468 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1469 1470 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1471 mac->act_scanning = false; 1472 mac->skip_scan = false; 1473 1474 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1475 1476 if (rtlpriv->link_info.higher_busytraffic) 1477 return; 1478 1479 /* p2p will use 1/6/11 to scan */ 1480 if (mac->n_channels == 3) 1481 mac->p2p_in_use = true; 1482 else 1483 mac->p2p_in_use = false; 1484 mac->n_channels = 0; 1485 /* Dul mac */ 1486 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1487 1488 if (mac->link_state == MAC80211_LINKED_SCANNING) { 1489 mac->link_state = MAC80211_LINKED; 1490 if (mac->opmode == NL80211_IFTYPE_STATION) { 1491 /* fix fwlps issue */ 1492 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 1493 } 1494 } 1495 1496 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); 1497 if (rtlpriv->cfg->ops->get_btc_status()) 1498 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); 1499 else if (rtlpriv->btcoexist.btc_ops) 1500 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1501 0); 1502 } 1503 1504 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1505 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1506 struct ieee80211_key_conf *key) 1507 { 1508 struct rtl_priv *rtlpriv = rtl_priv(hw); 1509 u8 key_type = NO_ENCRYPTION; 1510 u8 key_idx; 1511 bool group_key = false; 1512 bool wep_only = false; 1513 int err = 0; 1514 u8 mac_addr[ETH_ALEN]; 1515 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1516 1517 rtlpriv->btcoexist.btc_info.in_4way = false; 1518 1519 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { 1520 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, 1521 "not open hw encryption\n"); 1522 return -ENOSPC; /*User disabled HW-crypto */ 1523 } 1524 /* To support IBSS, use sw-crypto for GTK */ 1525 if ((vif->type == NL80211_IFTYPE_ADHOC || 1526 vif->type == NL80211_IFTYPE_MESH_POINT) && 1527 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 1528 return -ENOSPC; 1529 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1530 "%s hardware based encryption for keyidx: %d, mac: %pM\n", 1531 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, 1532 sta ? sta->addr : bcast_addr); 1533 rtlpriv->sec.being_setkey = true; 1534 rtl_ips_nic_on(hw); 1535 mutex_lock(&rtlpriv->locks.conf_mutex); 1536 /* <1> get encryption alg */ 1537 1538 switch (key->cipher) { 1539 case WLAN_CIPHER_SUITE_WEP40: 1540 key_type = WEP40_ENCRYPTION; 1541 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); 1542 break; 1543 case WLAN_CIPHER_SUITE_WEP104: 1544 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); 1545 key_type = WEP104_ENCRYPTION; 1546 break; 1547 case WLAN_CIPHER_SUITE_TKIP: 1548 key_type = TKIP_ENCRYPTION; 1549 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); 1550 break; 1551 case WLAN_CIPHER_SUITE_CCMP: 1552 key_type = AESCCMP_ENCRYPTION; 1553 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); 1554 break; 1555 case WLAN_CIPHER_SUITE_AES_CMAC: 1556 /* HW don't support CMAC encryption, 1557 * use software CMAC encryption 1558 */ 1559 key_type = AESCMAC_ENCRYPTION; 1560 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); 1561 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1562 "HW don't support CMAC encryption, use software CMAC encryption\n"); 1563 err = -EOPNOTSUPP; 1564 goto out_unlock; 1565 default: 1566 pr_err("alg_err:%x!!!!:\n", key->cipher); 1567 goto out_unlock; 1568 } 1569 if (key_type == WEP40_ENCRYPTION || 1570 key_type == WEP104_ENCRYPTION || 1571 vif->type == NL80211_IFTYPE_ADHOC) 1572 rtlpriv->sec.use_defaultkey = true; 1573 1574 /* <2> get key_idx */ 1575 key_idx = (u8) (key->keyidx); 1576 if (key_idx > 3) 1577 goto out_unlock; 1578 /* <3> if pairwise key enable_hw_sec */ 1579 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); 1580 1581 /* wep always be group key, but there are two conditions: 1582 * 1) wep only: is just for wep enc, in this condition 1583 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION 1584 * will be true & enable_hw_sec will be set when wep 1585 * ke setting. 1586 * 2) wep(group) + AES(pairwise): some AP like cisco 1587 * may use it, in this condition enable_hw_sec will not 1588 * be set when wep key setting */ 1589 /* we must reset sec_info after lingked before set key, 1590 * or some flag will be wrong*/ 1591 if (vif->type == NL80211_IFTYPE_AP || 1592 vif->type == NL80211_IFTYPE_MESH_POINT) { 1593 if (!group_key || key_type == WEP40_ENCRYPTION || 1594 key_type == WEP104_ENCRYPTION) { 1595 if (group_key) 1596 wep_only = true; 1597 rtlpriv->cfg->ops->enable_hw_sec(hw); 1598 } 1599 } else { 1600 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || 1601 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { 1602 if (rtlpriv->sec.pairwise_enc_algorithm == 1603 NO_ENCRYPTION && 1604 (key_type == WEP40_ENCRYPTION || 1605 key_type == WEP104_ENCRYPTION)) 1606 wep_only = true; 1607 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1608 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1609 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", 1610 key_type); 1611 rtlpriv->cfg->ops->enable_hw_sec(hw); 1612 } 1613 } 1614 /* <4> set key based on cmd */ 1615 switch (cmd) { 1616 case SET_KEY: 1617 if (wep_only) { 1618 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1619 "set WEP(group/pairwise) key\n"); 1620 /* Pairwise key with an assigned MAC address. */ 1621 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1622 rtlpriv->sec.group_enc_algorithm = key_type; 1623 /*set local buf about wep key. */ 1624 memcpy(rtlpriv->sec.key_buf[key_idx], 1625 key->key, key->keylen); 1626 rtlpriv->sec.key_len[key_idx] = key->keylen; 1627 eth_zero_addr(mac_addr); 1628 } else if (group_key) { /* group key */ 1629 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1630 "set group key\n"); 1631 /* group key */ 1632 rtlpriv->sec.group_enc_algorithm = key_type; 1633 /*set local buf about group key. */ 1634 memcpy(rtlpriv->sec.key_buf[key_idx], 1635 key->key, key->keylen); 1636 rtlpriv->sec.key_len[key_idx] = key->keylen; 1637 memcpy(mac_addr, bcast_addr, ETH_ALEN); 1638 } else { /* pairwise key */ 1639 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1640 "set pairwise key\n"); 1641 if (!sta) { 1642 WARN_ONCE(true, 1643 "rtlwifi: pairwise key without mac_addr\n"); 1644 1645 err = -EOPNOTSUPP; 1646 goto out_unlock; 1647 } 1648 /* Pairwise key with an assigned MAC address. */ 1649 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1650 /*set local buf about pairwise key. */ 1651 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], 1652 key->key, key->keylen); 1653 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; 1654 rtlpriv->sec.pairwise_key = 1655 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; 1656 memcpy(mac_addr, sta->addr, ETH_ALEN); 1657 } 1658 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, 1659 group_key, key_type, wep_only, 1660 false); 1661 /* <5> tell mac80211 do something: */ 1662 /*must use sw generate IV, or can not work !!!!. */ 1663 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 1664 key->hw_key_idx = key_idx; 1665 if (key_type == TKIP_ENCRYPTION) 1666 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 1667 /*use software CCMP encryption for management frames (MFP) */ 1668 if (key_type == AESCCMP_ENCRYPTION) 1669 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 1670 break; 1671 case DISABLE_KEY: 1672 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, 1673 "disable key delete one entry\n"); 1674 /*set local buf about wep key. */ 1675 if (vif->type == NL80211_IFTYPE_AP || 1676 vif->type == NL80211_IFTYPE_MESH_POINT) { 1677 if (sta) 1678 rtl_cam_del_entry(hw, sta->addr); 1679 } 1680 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); 1681 rtlpriv->sec.key_len[key_idx] = 0; 1682 eth_zero_addr(mac_addr); 1683 /* 1684 *mac80211 will delete entrys one by one, 1685 *so don't use rtl_cam_reset_all_entry 1686 *or clear all entry here. 1687 */ 1688 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ 1689 1690 rtl_cam_delete_one_entry(hw, mac_addr, key_idx); 1691 break; 1692 default: 1693 pr_err("cmd_err:%x!!!!:\n", cmd); 1694 } 1695 out_unlock: 1696 mutex_unlock(&rtlpriv->locks.conf_mutex); 1697 rtlpriv->sec.being_setkey = false; 1698 return err; 1699 } 1700 1701 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) 1702 { 1703 struct rtl_priv *rtlpriv = rtl_priv(hw); 1704 1705 bool radio_state; 1706 bool blocked; 1707 u8 valid = 0; 1708 1709 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1710 return; 1711 1712 mutex_lock(&rtlpriv->locks.conf_mutex); 1713 1714 /*if Radio On return true here */ 1715 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 1716 1717 if (valid) { 1718 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { 1719 rtlpriv->rfkill.rfkill_state = radio_state; 1720 1721 rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, 1722 "wireless radio switch turned %s\n", 1723 radio_state ? "on" : "off"); 1724 1725 blocked = !rtlpriv->rfkill.rfkill_state; 1726 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1727 } 1728 } 1729 1730 mutex_unlock(&rtlpriv->locks.conf_mutex); 1731 } 1732 1733 /* this function is called by mac80211 to flush tx buffer 1734 * before switch channle or power save, or tx buffer packet 1735 * maybe send after offchannel or rf sleep, this may cause 1736 * dis-association by AP */ 1737 static void rtl_op_flush(struct ieee80211_hw *hw, 1738 struct ieee80211_vif *vif, 1739 u32 queues, 1740 bool drop) 1741 { 1742 struct rtl_priv *rtlpriv = rtl_priv(hw); 1743 1744 if (rtlpriv->intf_ops->flush) 1745 rtlpriv->intf_ops->flush(hw, queues, drop); 1746 } 1747 1748 /* Description: 1749 * This routine deals with the Power Configuration CMD 1750 * parsing for RTL8723/RTL8188E Series IC. 1751 * Assumption: 1752 * We should follow specific format that was released from HW SD. 1753 */ 1754 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, 1755 u8 faversion, u8 interface_type, 1756 struct wlan_pwr_cfg pwrcfgcmd[]) 1757 { 1758 struct wlan_pwr_cfg cfg_cmd; 1759 bool polling_bit = false; 1760 u32 ary_idx = 0; 1761 u8 value = 0; 1762 u32 offset = 0; 1763 u32 polling_count = 0; 1764 u32 max_polling_cnt = 5000; 1765 1766 do { 1767 cfg_cmd = pwrcfgcmd[ary_idx]; 1768 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1769 "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", 1770 __func__, 1771 GET_PWR_CFG_OFFSET(cfg_cmd), 1772 GET_PWR_CFG_CUT_MASK(cfg_cmd), 1773 GET_PWR_CFG_FAB_MASK(cfg_cmd), 1774 GET_PWR_CFG_INTF_MASK(cfg_cmd), 1775 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), 1776 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); 1777 1778 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && 1779 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && 1780 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { 1781 switch (GET_PWR_CFG_CMD(cfg_cmd)) { 1782 case PWR_CMD_READ: 1783 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1784 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); 1785 break; 1786 case PWR_CMD_WRITE: 1787 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1788 "%s(): PWR_CMD_WRITE\n", __func__); 1789 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1790 1791 /*Read the value from system register*/ 1792 value = rtl_read_byte(rtlpriv, offset); 1793 value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); 1794 value |= (GET_PWR_CFG_VALUE(cfg_cmd) & 1795 GET_PWR_CFG_MASK(cfg_cmd)); 1796 1797 /*Write the value back to sytem register*/ 1798 rtl_write_byte(rtlpriv, offset, value); 1799 break; 1800 case PWR_CMD_POLLING: 1801 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1802 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); 1803 polling_bit = false; 1804 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1805 1806 do { 1807 value = rtl_read_byte(rtlpriv, offset); 1808 1809 value &= GET_PWR_CFG_MASK(cfg_cmd); 1810 if (value == 1811 (GET_PWR_CFG_VALUE(cfg_cmd) & 1812 GET_PWR_CFG_MASK(cfg_cmd))) 1813 polling_bit = true; 1814 else 1815 udelay(10); 1816 1817 if (polling_count++ > max_polling_cnt) 1818 return false; 1819 } while (!polling_bit); 1820 break; 1821 case PWR_CMD_DELAY: 1822 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1823 "%s: PWR_CMD_DELAY\n", __func__); 1824 if (GET_PWR_CFG_VALUE(cfg_cmd) == 1825 PWRSEQ_DELAY_US) 1826 udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1827 else 1828 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1829 break; 1830 case PWR_CMD_END: 1831 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, 1832 "%s: PWR_CMD_END\n", __func__); 1833 return true; 1834 default: 1835 WARN_ONCE(true, 1836 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); 1837 break; 1838 } 1839 } 1840 ary_idx++; 1841 } while (1); 1842 1843 return true; 1844 } 1845 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); 1846 1847 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 1848 { 1849 struct rtl_priv *rtlpriv = rtl_priv(hw); 1850 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 1851 struct rtl8192_tx_ring *ring; 1852 struct rtl_tx_desc *pdesc; 1853 unsigned long flags; 1854 struct sk_buff *pskb = NULL; 1855 1856 ring = &rtlpci->tx_ring[BEACON_QUEUE]; 1857 1858 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); 1859 pskb = __skb_dequeue(&ring->queue); 1860 if (pskb) 1861 dev_kfree_skb_irq(pskb); 1862 1863 /*this is wrong, fill_tx_cmddesc needs update*/ 1864 pdesc = &ring->desc[0]; 1865 1866 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb); 1867 1868 __skb_queue_tail(&ring->queue, skb); 1869 1870 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); 1871 1872 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); 1873 1874 return true; 1875 } 1876 EXPORT_SYMBOL(rtl_cmd_send_packet); 1877 const struct ieee80211_ops rtl_ops = { 1878 .start = rtl_op_start, 1879 .stop = rtl_op_stop, 1880 .tx = rtl_op_tx, 1881 .add_interface = rtl_op_add_interface, 1882 .remove_interface = rtl_op_remove_interface, 1883 .change_interface = rtl_op_change_interface, 1884 #ifdef CONFIG_PM 1885 .suspend = rtl_op_suspend, 1886 .resume = rtl_op_resume, 1887 #endif 1888 .config = rtl_op_config, 1889 .configure_filter = rtl_op_configure_filter, 1890 .set_key = rtl_op_set_key, 1891 .conf_tx = rtl_op_conf_tx, 1892 .bss_info_changed = rtl_op_bss_info_changed, 1893 .get_tsf = rtl_op_get_tsf, 1894 .set_tsf = rtl_op_set_tsf, 1895 .reset_tsf = rtl_op_reset_tsf, 1896 .sta_notify = rtl_op_sta_notify, 1897 .ampdu_action = rtl_op_ampdu_action, 1898 .sw_scan_start = rtl_op_sw_scan_start, 1899 .sw_scan_complete = rtl_op_sw_scan_complete, 1900 .rfkill_poll = rtl_op_rfkill_poll, 1901 .sta_add = rtl_op_sta_add, 1902 .sta_remove = rtl_op_sta_remove, 1903 .flush = rtl_op_flush, 1904 }; 1905 EXPORT_SYMBOL_GPL(rtl_ops); 1906 1907 bool rtl_btc_status_false(void) 1908 { 1909 return false; 1910 } 1911 EXPORT_SYMBOL_GPL(rtl_btc_status_false); 1912 1913 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) 1914 { 1915 struct rtl_priv *rtlpriv = rtl_priv(hw); 1916 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 1917 1918 dm_digtable->dig_enable_flag = true; 1919 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 1920 dm_digtable->cur_igvalue = cur_igvalue; 1921 dm_digtable->pre_igvalue = 0; 1922 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; 1923 dm_digtable->presta_cstate = DIG_STA_DISCONNECT; 1924 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 1925 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; 1926 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; 1927 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; 1928 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; 1929 dm_digtable->rx_gain_max = DM_DIG_MAX; 1930 dm_digtable->rx_gain_min = DM_DIG_MIN; 1931 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 1932 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; 1933 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; 1934 dm_digtable->pre_cck_cca_thres = 0xff; 1935 dm_digtable->cur_cck_cca_thres = 0x83; 1936 dm_digtable->forbidden_igi = DM_DIG_MIN; 1937 dm_digtable->large_fa_hit = 0; 1938 dm_digtable->recover_cnt = 0; 1939 dm_digtable->dig_min_0 = 0x25; 1940 dm_digtable->dig_min_1 = 0x25; 1941 dm_digtable->media_connect_0 = false; 1942 dm_digtable->media_connect_1 = false; 1943 rtlpriv->dm.dm_initialgain_enable = true; 1944 dm_digtable->bt30_cur_igi = 0x32; 1945 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; 1946 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; 1947 dm_digtable->pre_cck_fa_state = 0; 1948 dm_digtable->cur_cck_fa_state = 0; 1949 } 1950 EXPORT_SYMBOL(rtl_dm_diginit); 1951