1 /****************************************************************************** 2 * 3 * Copyright(c) 2009-2012 Realtek Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * The full GNU General Public License is included in this distribution in the 15 * file called LICENSE. 16 * 17 * Contact Information: 18 * wlanfae <wlanfae@realtek.com> 19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 20 * Hsinchu 300, Taiwan. 21 * 22 * Larry Finger <Larry.Finger@lwfinger.net> 23 * 24 *****************************************************************************/ 25 26 #include "wifi.h" 27 #include "core.h" 28 #include "cam.h" 29 #include "base.h" 30 #include "ps.h" 31 #include "pwrseqcmd.h" 32 33 #include "btcoexist/rtl_btc.h" 34 #include <linux/firmware.h> 35 #include <linux/export.h> 36 #include <net/cfg80211.h> 37 38 u8 channel5g[CHANNEL_MAX_NUMBER_5G] = { 39 36, 38, 40, 42, 44, 46, 48, /* Band 1 */ 40 52, 54, 56, 58, 60, 62, 64, /* Band 2 */ 41 100, 102, 104, 106, 108, 110, 112, /* Band 3 */ 42 116, 118, 120, 122, 124, 126, 128, /* Band 3 */ 43 132, 134, 136, 138, 140, 142, 144, /* Band 3 */ 44 149, 151, 153, 155, 157, 159, 161, /* Band 4 */ 45 165, 167, 169, 171, 173, 175, 177 /* Band 4 */ 46 }; 47 EXPORT_SYMBOL(channel5g); 48 49 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = { 50 42, 58, 106, 122, 138, 155, 171 51 }; 52 EXPORT_SYMBOL(channel5g_80m); 53 54 void rtl_addr_delay(u32 addr) 55 { 56 if (addr == 0xfe) 57 mdelay(50); 58 else if (addr == 0xfd) 59 msleep(5); 60 else if (addr == 0xfc) 61 msleep(1); 62 else if (addr == 0xfb) 63 usleep_range(50, 100); 64 else if (addr == 0xfa) 65 usleep_range(5, 10); 66 else if (addr == 0xf9) 67 usleep_range(1, 2); 68 } 69 EXPORT_SYMBOL(rtl_addr_delay); 70 71 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, 72 u32 mask, u32 data) 73 { 74 if (addr >= 0xf9 && addr <= 0xfe) { 75 rtl_addr_delay(addr); 76 } else { 77 rtl_set_rfreg(hw, rfpath, addr, mask, data); 78 udelay(1); 79 } 80 } 81 EXPORT_SYMBOL(rtl_rfreg_delay); 82 83 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data) 84 { 85 if (addr >= 0xf9 && addr <= 0xfe) { 86 rtl_addr_delay(addr); 87 } else { 88 rtl_set_bbreg(hw, addr, MASKDWORD, data); 89 udelay(1); 90 } 91 } 92 EXPORT_SYMBOL(rtl_bb_delay); 93 94 static void rtl_fw_do_work(const struct firmware *firmware, void *context, 95 bool is_wow) 96 { 97 struct ieee80211_hw *hw = context; 98 struct rtl_priv *rtlpriv = rtl_priv(hw); 99 int err; 100 101 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, 102 "Firmware callback routine entered!\n"); 103 complete(&rtlpriv->firmware_loading_complete); 104 if (!firmware) { 105 if (rtlpriv->cfg->alt_fw_name) { 106 err = request_firmware(&firmware, 107 rtlpriv->cfg->alt_fw_name, 108 rtlpriv->io.dev); 109 pr_info("Loading alternative firmware %s\n", 110 rtlpriv->cfg->alt_fw_name); 111 if (!err) 112 goto found_alt; 113 } 114 pr_err("Selected firmware is not available\n"); 115 rtlpriv->max_fw_size = 0; 116 return; 117 } 118 found_alt: 119 if (firmware->size > rtlpriv->max_fw_size) { 120 pr_err("Firmware is too big!\n"); 121 release_firmware(firmware); 122 return; 123 } 124 if (!is_wow) { 125 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, 126 firmware->size); 127 rtlpriv->rtlhal.fwsize = firmware->size; 128 } else { 129 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data, 130 firmware->size); 131 rtlpriv->rtlhal.wowlan_fwsize = firmware->size; 132 } 133 release_firmware(firmware); 134 } 135 136 void rtl_fw_cb(const struct firmware *firmware, void *context) 137 { 138 rtl_fw_do_work(firmware, context, false); 139 } 140 EXPORT_SYMBOL(rtl_fw_cb); 141 142 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context) 143 { 144 rtl_fw_do_work(firmware, context, true); 145 } 146 EXPORT_SYMBOL(rtl_wowlan_fw_cb); 147 148 /*mutex for start & stop is must here. */ 149 static int rtl_op_start(struct ieee80211_hw *hw) 150 { 151 int err = 0; 152 struct rtl_priv *rtlpriv = rtl_priv(hw); 153 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 154 155 if (!is_hal_stop(rtlhal)) 156 return 0; 157 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 158 return 0; 159 mutex_lock(&rtlpriv->locks.conf_mutex); 160 err = rtlpriv->intf_ops->adapter_start(hw); 161 if (!err) 162 rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer); 163 mutex_unlock(&rtlpriv->locks.conf_mutex); 164 return err; 165 } 166 167 static void rtl_op_stop(struct ieee80211_hw *hw) 168 { 169 struct rtl_priv *rtlpriv = rtl_priv(hw); 170 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 171 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 172 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 173 bool support_remote_wakeup = false; 174 175 if (is_hal_stop(rtlhal)) 176 return; 177 178 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN, 179 (u8 *)(&support_remote_wakeup)); 180 /* here is must, because adhoc do stop and start, 181 * but stop with RFOFF may cause something wrong, 182 * like adhoc TP 183 */ 184 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 185 rtl_ips_nic_on(hw); 186 187 mutex_lock(&rtlpriv->locks.conf_mutex); 188 /* if wowlan supported, DON'T clear connected info */ 189 if (!(support_remote_wakeup && 190 rtlhal->enter_pnp_sleep)) { 191 mac->link_state = MAC80211_NOLINK; 192 eth_zero_addr(mac->bssid); 193 mac->vendor = PEER_UNKNOWN; 194 195 /* reset sec info */ 196 rtl_cam_reset_sec_info(hw); 197 198 rtl_deinit_deferred_work(hw, false); 199 } 200 rtlpriv->intf_ops->adapter_stop(hw); 201 202 mutex_unlock(&rtlpriv->locks.conf_mutex); 203 } 204 205 static void rtl_op_tx(struct ieee80211_hw *hw, 206 struct ieee80211_tx_control *control, 207 struct sk_buff *skb) 208 { 209 struct rtl_priv *rtlpriv = rtl_priv(hw); 210 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 211 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 212 struct rtl_tcb_desc tcb_desc; 213 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 214 215 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) 216 goto err_free; 217 218 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 219 goto err_free; 220 221 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb)) 222 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc); 223 return; 224 225 err_free: 226 dev_kfree_skb_any(skb); 227 } 228 229 static int rtl_op_add_interface(struct ieee80211_hw *hw, 230 struct ieee80211_vif *vif) 231 { 232 struct rtl_priv *rtlpriv = rtl_priv(hw); 233 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 234 int err = 0; 235 u8 retry_limit = 0x30; 236 237 if (mac->vif) { 238 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, 239 "vif has been set!! mac->vif = 0x%p\n", mac->vif); 240 return -EOPNOTSUPP; 241 } 242 243 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 244 245 rtl_ips_nic_on(hw); 246 247 mutex_lock(&rtlpriv->locks.conf_mutex); 248 switch (ieee80211_vif_type_p2p(vif)) { 249 case NL80211_IFTYPE_P2P_CLIENT: 250 mac->p2p = P2P_ROLE_CLIENT; 251 /*fall through*/ 252 case NL80211_IFTYPE_STATION: 253 if (mac->beacon_enabled == 1) { 254 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 255 "NL80211_IFTYPE_STATION\n"); 256 mac->beacon_enabled = 0; 257 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 258 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 259 } 260 break; 261 case NL80211_IFTYPE_ADHOC: 262 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 263 "NL80211_IFTYPE_ADHOC\n"); 264 265 mac->link_state = MAC80211_LINKED; 266 rtlpriv->cfg->ops->set_bcn_reg(hw); 267 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 268 mac->basic_rates = 0xfff; 269 else 270 mac->basic_rates = 0xff0; 271 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 272 (u8 *)(&mac->basic_rates)); 273 274 retry_limit = 0x07; 275 break; 276 case NL80211_IFTYPE_P2P_GO: 277 mac->p2p = P2P_ROLE_GO; 278 /*fall through*/ 279 case NL80211_IFTYPE_AP: 280 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 281 "NL80211_IFTYPE_AP\n"); 282 283 mac->link_state = MAC80211_LINKED; 284 rtlpriv->cfg->ops->set_bcn_reg(hw); 285 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 286 mac->basic_rates = 0xfff; 287 else 288 mac->basic_rates = 0xff0; 289 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 290 (u8 *)(&mac->basic_rates)); 291 292 retry_limit = 0x07; 293 break; 294 case NL80211_IFTYPE_MESH_POINT: 295 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 296 "NL80211_IFTYPE_MESH_POINT\n"); 297 298 mac->link_state = MAC80211_LINKED; 299 rtlpriv->cfg->ops->set_bcn_reg(hw); 300 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) 301 mac->basic_rates = 0xfff; 302 else 303 mac->basic_rates = 0xff0; 304 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 305 (u8 *)(&mac->basic_rates)); 306 307 retry_limit = 0x07; 308 break; 309 default: 310 pr_err("operation mode %d is not supported!\n", 311 vif->type); 312 err = -EOPNOTSUPP; 313 goto out; 314 } 315 316 if (mac->p2p) { 317 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 318 "p2p role %x\n", vif->type); 319 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/ 320 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 321 (u8 *)(&mac->basic_rates)); 322 } 323 mac->vif = vif; 324 mac->opmode = vif->type; 325 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 326 memcpy(mac->mac_addr, vif->addr, ETH_ALEN); 327 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); 328 329 mac->retry_long = retry_limit; 330 mac->retry_short = retry_limit; 331 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 332 (u8 *)(&retry_limit)); 333 out: 334 mutex_unlock(&rtlpriv->locks.conf_mutex); 335 return err; 336 } 337 338 static void rtl_op_remove_interface(struct ieee80211_hw *hw, 339 struct ieee80211_vif *vif) 340 { 341 struct rtl_priv *rtlpriv = rtl_priv(hw); 342 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 343 344 mutex_lock(&rtlpriv->locks.conf_mutex); 345 346 /* Free beacon resources */ 347 if (vif->type == NL80211_IFTYPE_AP || 348 vif->type == NL80211_IFTYPE_ADHOC || 349 vif->type == NL80211_IFTYPE_MESH_POINT) { 350 if (mac->beacon_enabled == 1) { 351 mac->beacon_enabled = 0; 352 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 353 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); 354 } 355 } 356 357 /* 358 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as 359 *NO LINK for our hardware. 360 */ 361 mac->p2p = 0; 362 mac->vif = NULL; 363 mac->link_state = MAC80211_NOLINK; 364 eth_zero_addr(mac->bssid); 365 mac->vendor = PEER_UNKNOWN; 366 mac->opmode = NL80211_IFTYPE_UNSPECIFIED; 367 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 368 369 mutex_unlock(&rtlpriv->locks.conf_mutex); 370 } 371 static int rtl_op_change_interface(struct ieee80211_hw *hw, 372 struct ieee80211_vif *vif, 373 enum nl80211_iftype new_type, bool p2p) 374 { 375 struct rtl_priv *rtlpriv = rtl_priv(hw); 376 int ret; 377 rtl_op_remove_interface(hw, vif); 378 379 vif->type = new_type; 380 vif->p2p = p2p; 381 ret = rtl_op_add_interface(hw, vif); 382 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 383 "p2p %x\n", p2p); 384 return ret; 385 } 386 387 #ifdef CONFIG_PM 388 static u16 crc16_ccitt(u8 data, u16 crc) 389 { 390 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15; 391 u8 i; 392 u16 result; 393 394 for (i = 0; i < 8; i++) { 395 crc_bit15 = ((crc & BIT(15)) ? 1 : 0); 396 data_bit = (data & (BIT(0) << i) ? 1 : 0); 397 shift_in = crc_bit15 ^ data_bit; 398 399 result = crc << 1; 400 if (shift_in == 0) 401 result &= (~BIT(0)); 402 else 403 result |= BIT(0); 404 405 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in; 406 if (crc_bit11 == 0) 407 result &= (~BIT(12)); 408 else 409 result |= BIT(12); 410 411 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in; 412 if (crc_bit4 == 0) 413 result &= (~BIT(5)); 414 else 415 result |= BIT(5); 416 417 crc = result; 418 } 419 420 return crc; 421 } 422 423 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len) 424 { 425 u16 crc = 0xffff; 426 u32 i; 427 428 for (i = 0; i < len; i++) 429 crc = crc16_ccitt(pattern[i], crc); 430 431 crc = ~crc; 432 433 return crc; 434 } 435 436 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, 437 struct cfg80211_wowlan *wow) 438 { 439 struct rtl_priv *rtlpriv = rtl_priv(hw); 440 struct rtl_mac *mac = &rtlpriv->mac80211; 441 struct cfg80211_pkt_pattern *patterns = wow->patterns; 442 struct rtl_wow_pattern rtl_pattern; 443 const u8 *pattern_os, *mask_os; 444 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0}; 445 u8 content[MAX_WOL_PATTERN_SIZE] = {0}; 446 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 447 u8 multicast_addr1[2] = {0x33, 0x33}; 448 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e}; 449 u8 i, mask_len; 450 u16 j, len; 451 452 for (i = 0; i < wow->n_patterns; i++) { 453 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern)); 454 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE); 455 if (patterns[i].pattern_len < 0 || 456 patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { 457 RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING, 458 "Pattern[%d] is too long\n", i); 459 continue; 460 } 461 pattern_os = patterns[i].pattern; 462 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8); 463 mask_os = patterns[i].mask; 464 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 465 "pattern content\n", pattern_os, 466 patterns[i].pattern_len); 467 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 468 "mask content\n", mask_os, mask_len); 469 /* 1. unicast? multicast? or broadcast? */ 470 if (memcmp(pattern_os, broadcast_addr, 6) == 0) 471 rtl_pattern.type = BROADCAST_PATTERN; 472 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 || 473 memcmp(pattern_os, multicast_addr2, 3) == 0) 474 rtl_pattern.type = MULTICAST_PATTERN; 475 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0) 476 rtl_pattern.type = UNICAST_PATTERN; 477 else 478 rtl_pattern.type = UNKNOWN_TYPE; 479 480 /* 2. translate mask_from_os to mask_for_hw */ 481 482 /****************************************************************************** 483 * pattern from OS uses 'ethenet frame', like this: 484 485 | 6 | 6 | 2 | 20 | Variable | 4 | 486 |--------+--------+------+-----------+------------+-----| 487 | 802.3 Mac Header | IP Header | TCP Packet | FCS | 488 | DA | SA | Type | 489 490 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC, 491 492 | 24 or 30 | 6 | 2 | 20 | Variable | 4 | 493 |-------------------+--------+------+-----------+------------+-----| 494 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS | 495 | Others | Tpye | 496 497 * Therefore, we need translate mask_from_OS to mask_to_hw. 498 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0, 499 * because new mask[0~5] means 'SA', but our HW packet begins from LLC, 500 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match. 501 ******************************************************************************/ 502 503 /* Shift 6 bits */ 504 for (j = 0; j < mask_len - 1; j++) { 505 mask[j] = mask_os[j] >> 6; 506 mask[j] |= (mask_os[j + 1] & 0x3F) << 2; 507 } 508 mask[j] = (mask_os[j] >> 6) & 0x3F; 509 /* Set bit 0-5 to zero */ 510 mask[0] &= 0xC0; 511 512 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 513 "mask to hw\n", mask, mask_len); 514 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) { 515 rtl_pattern.mask[j] = mask[j * 4]; 516 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8); 517 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16); 518 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24); 519 } 520 521 /* To get the wake up pattern from the mask. 522 * We do not count first 12 bits which means 523 * DA[6] and SA[6] in the pattern to match HW design. 524 */ 525 len = 0; 526 for (j = 12; j < patterns[i].pattern_len; j++) { 527 if ((mask_os[j / 8] >> (j % 8)) & 0x01) { 528 content[len] = pattern_os[j]; 529 len++; 530 } 531 } 532 533 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, 534 "pattern to hw\n", content, len); 535 /* 3. calculate crc */ 536 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len); 537 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, 538 "CRC_Remainder = 0x%x\n", rtl_pattern.crc); 539 540 /* 4. write crc & mask_for_hw to hw */ 541 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i); 542 } 543 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns); 544 } 545 546 static int rtl_op_suspend(struct ieee80211_hw *hw, 547 struct cfg80211_wowlan *wow) 548 { 549 struct rtl_priv *rtlpriv = rtl_priv(hw); 550 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 551 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 552 553 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 554 if (WARN_ON(!wow)) 555 return -EINVAL; 556 557 /* to resolve s4 can not wake up*/ 558 rtlhal->last_suspend_sec = ktime_get_real_seconds(); 559 560 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns) 561 _rtl_add_wowlan_patterns(hw, wow); 562 563 rtlhal->driver_is_goingto_unload = true; 564 rtlhal->enter_pnp_sleep = true; 565 566 rtl_lps_leave(hw); 567 rtl_op_stop(hw); 568 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true); 569 return 0; 570 } 571 572 static int rtl_op_resume(struct ieee80211_hw *hw) 573 { 574 struct rtl_priv *rtlpriv = rtl_priv(hw); 575 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 576 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 577 time64_t now; 578 579 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); 580 rtlhal->driver_is_goingto_unload = false; 581 rtlhal->enter_pnp_sleep = false; 582 rtlhal->wake_from_pnp_sleep = true; 583 584 /* to resovle s4 can not wake up*/ 585 now = ktime_get_real_seconds(); 586 if (now - rtlhal->last_suspend_sec < 5) 587 return -1; 588 589 rtl_op_start(hw); 590 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false); 591 ieee80211_resume_disconnect(mac->vif); 592 rtlhal->wake_from_pnp_sleep = false; 593 return 0; 594 } 595 #endif 596 597 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) 598 { 599 struct rtl_priv *rtlpriv = rtl_priv(hw); 600 struct rtl_phy *rtlphy = &(rtlpriv->phy); 601 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 602 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 603 struct ieee80211_conf *conf = &hw->conf; 604 605 if (mac->skip_scan) 606 return 1; 607 608 mutex_lock(&rtlpriv->locks.conf_mutex); 609 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/ 610 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 611 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); 612 } 613 614 /*For IPS */ 615 if (changed & IEEE80211_CONF_CHANGE_IDLE) { 616 if (hw->conf.flags & IEEE80211_CONF_IDLE) 617 rtl_ips_nic_off(hw); 618 else 619 rtl_ips_nic_on(hw); 620 } else { 621 /* 622 *although rfoff may not cause by ips, but we will 623 *check the reason in set_rf_power_state function 624 */ 625 if (unlikely(ppsc->rfpwr_state == ERFOFF)) 626 rtl_ips_nic_on(hw); 627 } 628 629 /*For LPS */ 630 if ((changed & IEEE80211_CONF_CHANGE_PS) && 631 rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) { 632 cancel_delayed_work(&rtlpriv->works.ps_work); 633 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); 634 if (conf->flags & IEEE80211_CONF_PS) { 635 rtlpriv->psc.sw_ps_enabled = true; 636 /* sleep here is must, or we may recv the beacon and 637 * cause mac80211 into wrong ps state, this will cause 638 * power save nullfunc send fail, and further cause 639 * pkt loss, So sleep must quickly but not immediatly 640 * because that will cause nullfunc send by mac80211 641 * fail, and cause pkt loss, we have tested that 5mA 642 * is worked very well */ 643 if (!rtlpriv->psc.multi_buffered) 644 queue_delayed_work(rtlpriv->works.rtl_wq, 645 &rtlpriv->works.ps_work, 646 MSECS(5)); 647 } else { 648 rtl_swlps_rf_awake(hw); 649 rtlpriv->psc.sw_ps_enabled = false; 650 } 651 } 652 653 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { 654 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 655 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", 656 hw->conf.long_frame_max_tx_count); 657 /* brought up everything changes (changed == ~0) indicates first 658 * open, so use our default value instead of that of wiphy. 659 */ 660 if (changed != ~0) { 661 mac->retry_long = hw->conf.long_frame_max_tx_count; 662 mac->retry_short = hw->conf.long_frame_max_tx_count; 663 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, 664 (u8 *)(&hw->conf.long_frame_max_tx_count)); 665 } 666 } 667 668 if (changed & IEEE80211_CONF_CHANGE_CHANNEL && 669 !rtlpriv->proximity.proxim_on) { 670 struct ieee80211_channel *channel = hw->conf.chandef.chan; 671 enum nl80211_chan_width width = hw->conf.chandef.width; 672 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; 673 u8 wide_chan = (u8) channel->hw_value; 674 675 /* channel_type is for 20&40M */ 676 if (width < NL80211_CHAN_WIDTH_80) 677 channel_type = 678 cfg80211_get_chandef_type(&hw->conf.chandef); 679 if (mac->act_scanning) 680 mac->n_channels++; 681 682 if (rtlpriv->dm.supp_phymode_switch && 683 mac->link_state < MAC80211_LINKED && 684 !mac->act_scanning) { 685 if (rtlpriv->cfg->ops->chk_switch_dmdp) 686 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 687 } 688 689 /* 690 *because we should back channel to 691 *current_network.chan in in scanning, 692 *So if set_chan == current_network.chan 693 *we should set it. 694 *because mac80211 tell us wrong bw40 695 *info for cisco1253 bw20, so we modify 696 *it here based on UPPER & LOWER 697 */ 698 699 if (width >= NL80211_CHAN_WIDTH_80) { 700 if (width == NL80211_CHAN_WIDTH_80) { 701 u32 center = hw->conf.chandef.center_freq1; 702 u32 primary = 703 (u32)hw->conf.chandef.chan->center_freq; 704 705 rtlphy->current_chan_bw = 706 HT_CHANNEL_WIDTH_80; 707 mac->bw_80 = true; 708 mac->bw_40 = true; 709 if (center > primary) { 710 mac->cur_80_prime_sc = 711 PRIME_CHNL_OFFSET_LOWER; 712 if (center - primary == 10) { 713 mac->cur_40_prime_sc = 714 PRIME_CHNL_OFFSET_UPPER; 715 716 wide_chan += 2; 717 } else if (center - primary == 30) { 718 mac->cur_40_prime_sc = 719 PRIME_CHNL_OFFSET_LOWER; 720 721 wide_chan += 6; 722 } 723 } else { 724 mac->cur_80_prime_sc = 725 PRIME_CHNL_OFFSET_UPPER; 726 if (primary - center == 10) { 727 mac->cur_40_prime_sc = 728 PRIME_CHNL_OFFSET_LOWER; 729 730 wide_chan -= 2; 731 } else if (primary - center == 30) { 732 mac->cur_40_prime_sc = 733 PRIME_CHNL_OFFSET_UPPER; 734 735 wide_chan -= 6; 736 } 737 } 738 } 739 } else { 740 switch (channel_type) { 741 case NL80211_CHAN_HT20: 742 case NL80211_CHAN_NO_HT: 743 /* SC */ 744 mac->cur_40_prime_sc = 745 PRIME_CHNL_OFFSET_DONT_CARE; 746 rtlphy->current_chan_bw = 747 HT_CHANNEL_WIDTH_20; 748 mac->bw_40 = false; 749 mac->bw_80 = false; 750 break; 751 case NL80211_CHAN_HT40MINUS: 752 /* SC */ 753 mac->cur_40_prime_sc = 754 PRIME_CHNL_OFFSET_UPPER; 755 rtlphy->current_chan_bw = 756 HT_CHANNEL_WIDTH_20_40; 757 mac->bw_40 = true; 758 mac->bw_80 = false; 759 760 /*wide channel */ 761 wide_chan -= 2; 762 763 break; 764 case NL80211_CHAN_HT40PLUS: 765 /* SC */ 766 mac->cur_40_prime_sc = 767 PRIME_CHNL_OFFSET_LOWER; 768 rtlphy->current_chan_bw = 769 HT_CHANNEL_WIDTH_20_40; 770 mac->bw_40 = true; 771 mac->bw_80 = false; 772 773 /*wide channel */ 774 wide_chan += 2; 775 776 break; 777 default: 778 mac->bw_40 = false; 779 mac->bw_80 = false; 780 pr_err("switch case %#x not processed\n", 781 channel_type); 782 break; 783 } 784 } 785 786 if (wide_chan <= 0) 787 wide_chan = 1; 788 789 /* In scanning, when before we offchannel we may send a ps=1 790 * null to AP, and then we may send a ps = 0 null to AP quickly, 791 * but first null may have caused AP to put lots of packet to 792 * hw tx buffer. These packets must be tx'd before we go off 793 * channel so we must delay more time to let AP flush these 794 * packets before going offchannel, or dis-association or 795 * delete BA will be caused by AP 796 */ 797 if (rtlpriv->mac80211.offchan_delay) { 798 rtlpriv->mac80211.offchan_delay = false; 799 mdelay(50); 800 } 801 802 rtlphy->current_channel = wide_chan; 803 804 rtlpriv->cfg->ops->switch_channel(hw); 805 rtlpriv->cfg->ops->set_channel_access(hw); 806 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type); 807 } 808 809 mutex_unlock(&rtlpriv->locks.conf_mutex); 810 811 return 0; 812 } 813 814 static void rtl_op_configure_filter(struct ieee80211_hw *hw, 815 unsigned int changed_flags, 816 unsigned int *new_flags, u64 multicast) 817 { 818 bool update_rcr = false; 819 struct rtl_priv *rtlpriv = rtl_priv(hw); 820 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 821 822 *new_flags &= RTL_SUPPORTED_FILTERS; 823 if (0 == changed_flags) 824 return; 825 826 /*TODO: we disable broadcase now, so enable here */ 827 if (changed_flags & FIF_ALLMULTI) { 828 if (*new_flags & FIF_ALLMULTI) { 829 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | 830 rtlpriv->cfg->maps[MAC_RCR_AB]; 831 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 832 "Enable receive multicast frame\n"); 833 } else { 834 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | 835 rtlpriv->cfg->maps[MAC_RCR_AB]); 836 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 837 "Disable receive multicast frame\n"); 838 } 839 update_rcr = true; 840 } 841 842 if (changed_flags & FIF_FCSFAIL) { 843 if (*new_flags & FIF_FCSFAIL) { 844 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 845 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 846 "Enable receive FCS error frame\n"); 847 } else { 848 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; 849 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 850 "Disable receive FCS error frame\n"); 851 } 852 if (!update_rcr) 853 update_rcr = true; 854 } 855 856 /* if ssid not set to hw don't check bssid 857 * here just used for linked scanning, & linked 858 * and nolink check bssid is set in set network_type 859 */ 860 if (changed_flags & FIF_BCN_PRBRESP_PROMISC && 861 mac->link_state >= MAC80211_LINKED) { 862 if (mac->opmode != NL80211_IFTYPE_AP && 863 mac->opmode != NL80211_IFTYPE_MESH_POINT) { 864 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 865 rtlpriv->cfg->ops->set_chk_bssid(hw, false); 866 else 867 rtlpriv->cfg->ops->set_chk_bssid(hw, true); 868 if (update_rcr) 869 update_rcr = false; 870 } 871 } 872 873 if (changed_flags & FIF_CONTROL) { 874 if (*new_flags & FIF_CONTROL) { 875 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; 876 877 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 878 "Enable receive control frame.\n"); 879 } else { 880 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; 881 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 882 "Disable receive control frame.\n"); 883 } 884 if (!update_rcr) 885 update_rcr = true; 886 } 887 888 if (changed_flags & FIF_OTHER_BSS) { 889 if (*new_flags & FIF_OTHER_BSS) { 890 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; 891 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 892 "Enable receive other BSS's frame.\n"); 893 } else { 894 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; 895 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 896 "Disable receive other BSS's frame.\n"); 897 } 898 if (!update_rcr) 899 update_rcr = true; 900 } 901 902 if (update_rcr) 903 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, 904 (u8 *)(&mac->rx_conf)); 905 } 906 static int rtl_op_sta_add(struct ieee80211_hw *hw, 907 struct ieee80211_vif *vif, 908 struct ieee80211_sta *sta) 909 { 910 struct rtl_priv *rtlpriv = rtl_priv(hw); 911 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 912 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 913 struct rtl_sta_info *sta_entry; 914 915 if (sta) { 916 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 917 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 918 list_add_tail(&sta_entry->list, &rtlpriv->entry_list); 919 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 920 if (rtlhal->current_bandtype == BAND_ON_2_4G) { 921 sta_entry->wireless_mode = WIRELESS_MODE_G; 922 if (sta->supp_rates[0] <= 0xf) 923 sta_entry->wireless_mode = WIRELESS_MODE_B; 924 if (sta->ht_cap.ht_supported) 925 sta_entry->wireless_mode = WIRELESS_MODE_N_24G; 926 927 if (vif->type == NL80211_IFTYPE_ADHOC) 928 sta_entry->wireless_mode = WIRELESS_MODE_G; 929 } else if (rtlhal->current_bandtype == BAND_ON_5G) { 930 sta_entry->wireless_mode = WIRELESS_MODE_A; 931 if (sta->ht_cap.ht_supported) 932 sta_entry->wireless_mode = WIRELESS_MODE_N_5G; 933 if (sta->vht_cap.vht_supported) 934 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G; 935 936 if (vif->type == NL80211_IFTYPE_ADHOC) 937 sta_entry->wireless_mode = WIRELESS_MODE_A; 938 } 939 /*disable cck rate for p2p*/ 940 if (mac->p2p) 941 sta->supp_rates[0] &= 0xfffffff0; 942 943 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); 944 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 945 "Add sta addr is %pM\n", sta->addr); 946 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); 947 } 948 949 return 0; 950 } 951 952 static int rtl_op_sta_remove(struct ieee80211_hw *hw, 953 struct ieee80211_vif *vif, 954 struct ieee80211_sta *sta) 955 { 956 struct rtl_priv *rtlpriv = rtl_priv(hw); 957 struct rtl_sta_info *sta_entry; 958 if (sta) { 959 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 960 "Remove sta addr is %pM\n", sta->addr); 961 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 962 sta_entry->wireless_mode = 0; 963 sta_entry->ratr_index = 0; 964 spin_lock_bh(&rtlpriv->locks.entry_list_lock); 965 list_del(&sta_entry->list); 966 spin_unlock_bh(&rtlpriv->locks.entry_list_lock); 967 } 968 return 0; 969 } 970 static int _rtl_get_hal_qnum(u16 queue) 971 { 972 int qnum; 973 974 switch (queue) { 975 case 0: 976 qnum = AC3_VO; 977 break; 978 case 1: 979 qnum = AC2_VI; 980 break; 981 case 2: 982 qnum = AC0_BE; 983 break; 984 case 3: 985 qnum = AC1_BK; 986 break; 987 default: 988 qnum = AC0_BE; 989 break; 990 } 991 return qnum; 992 } 993 994 /* 995 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 996 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 997 */ 998 static int rtl_op_conf_tx(struct ieee80211_hw *hw, 999 struct ieee80211_vif *vif, u16 queue, 1000 const struct ieee80211_tx_queue_params *param) 1001 { 1002 struct rtl_priv *rtlpriv = rtl_priv(hw); 1003 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1004 int aci; 1005 1006 if (queue >= AC_MAX) { 1007 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, 1008 "queue number %d is incorrect!\n", queue); 1009 return -EINVAL; 1010 } 1011 1012 aci = _rtl_get_hal_qnum(queue); 1013 mac->ac[aci].aifs = param->aifs; 1014 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); 1015 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); 1016 mac->ac[aci].tx_op = cpu_to_le16(param->txop); 1017 memcpy(&mac->edca_param[aci], param, sizeof(*param)); 1018 rtlpriv->cfg->ops->set_qos(hw, aci); 1019 return 0; 1020 } 1021 1022 static void send_beacon_frame(struct ieee80211_hw *hw, 1023 struct ieee80211_vif *vif) 1024 { 1025 struct rtl_priv *rtlpriv = rtl_priv(hw); 1026 struct sk_buff *skb = ieee80211_beacon_get(hw, vif); 1027 struct rtl_tcb_desc tcb_desc; 1028 1029 if (skb) { 1030 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); 1031 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); 1032 } 1033 } 1034 1035 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, 1036 struct ieee80211_vif *vif, 1037 struct ieee80211_bss_conf *bss_conf, 1038 u32 changed) 1039 { 1040 struct rtl_priv *rtlpriv = rtl_priv(hw); 1041 struct rtl_hal *rtlhal = rtl_hal(rtlpriv); 1042 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1043 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1044 1045 mutex_lock(&rtlpriv->locks.conf_mutex); 1046 if (vif->type == NL80211_IFTYPE_ADHOC || 1047 vif->type == NL80211_IFTYPE_AP || 1048 vif->type == NL80211_IFTYPE_MESH_POINT) { 1049 if (changed & BSS_CHANGED_BEACON || 1050 (changed & BSS_CHANGED_BEACON_ENABLED && 1051 bss_conf->enable_beacon)) { 1052 if (mac->beacon_enabled == 0) { 1053 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1054 "BSS_CHANGED_BEACON_ENABLED\n"); 1055 1056 /*start hw beacon interrupt. */ 1057 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ 1058 mac->beacon_enabled = 1; 1059 rtlpriv->cfg->ops->update_interrupt_mask(hw, 1060 rtlpriv->cfg->maps 1061 [RTL_IBSS_INT_MASKS], 0); 1062 1063 if (rtlpriv->cfg->ops->linked_set_reg) 1064 rtlpriv->cfg->ops->linked_set_reg(hw); 1065 send_beacon_frame(hw, vif); 1066 } 1067 } 1068 if ((changed & BSS_CHANGED_BEACON_ENABLED && 1069 !bss_conf->enable_beacon)) { 1070 if (mac->beacon_enabled == 1) { 1071 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1072 "ADHOC DISABLE BEACON\n"); 1073 1074 mac->beacon_enabled = 0; 1075 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, 1076 rtlpriv->cfg->maps 1077 [RTL_IBSS_INT_MASKS]); 1078 } 1079 } 1080 if (changed & BSS_CHANGED_BEACON_INT) { 1081 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE, 1082 "BSS_CHANGED_BEACON_INT\n"); 1083 mac->beacon_interval = bss_conf->beacon_int; 1084 rtlpriv->cfg->ops->set_bcn_intv(hw); 1085 } 1086 } 1087 1088 /*TODO: reference to enum ieee80211_bss_change */ 1089 if (changed & BSS_CHANGED_ASSOC) { 1090 u8 mstatus; 1091 if (bss_conf->assoc) { 1092 struct ieee80211_sta *sta = NULL; 1093 u8 keep_alive = 10; 1094 1095 mstatus = RT_MEDIA_CONNECT; 1096 /* we should reset all sec info & cam 1097 * before set cam after linked, we should not 1098 * reset in disassoc, that will cause tkip->wep 1099 * fail because some flag will be wrong */ 1100 /* reset sec info */ 1101 rtl_cam_reset_sec_info(hw); 1102 /* reset cam to fix wep fail issue 1103 * when change from wpa to wep */ 1104 rtl_cam_reset_all_entry(hw); 1105 1106 mac->link_state = MAC80211_LINKED; 1107 mac->cnt_after_linked = 0; 1108 mac->assoc_id = bss_conf->aid; 1109 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1110 1111 if (rtlpriv->cfg->ops->linked_set_reg) 1112 rtlpriv->cfg->ops->linked_set_reg(hw); 1113 1114 rcu_read_lock(); 1115 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1116 if (!sta) { 1117 rcu_read_unlock(); 1118 goto out; 1119 } 1120 RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, 1121 "send PS STATIC frame\n"); 1122 if (rtlpriv->dm.supp_phymode_switch) { 1123 if (sta->ht_cap.ht_supported) 1124 rtl_send_smps_action(hw, sta, 1125 IEEE80211_SMPS_STATIC); 1126 } 1127 1128 if (rtlhal->current_bandtype == BAND_ON_5G) { 1129 mac->mode = WIRELESS_MODE_A; 1130 } else { 1131 if (sta->supp_rates[0] <= 0xf) 1132 mac->mode = WIRELESS_MODE_B; 1133 else 1134 mac->mode = WIRELESS_MODE_G; 1135 } 1136 1137 if (sta->ht_cap.ht_supported) { 1138 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1139 mac->mode = WIRELESS_MODE_N_24G; 1140 else 1141 mac->mode = WIRELESS_MODE_N_5G; 1142 } 1143 1144 if (sta->vht_cap.vht_supported) { 1145 if (rtlhal->current_bandtype == BAND_ON_5G) 1146 mac->mode = WIRELESS_MODE_AC_5G; 1147 else 1148 mac->mode = WIRELESS_MODE_AC_24G; 1149 } 1150 1151 if (vif->type == NL80211_IFTYPE_STATION) 1152 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, 1153 true); 1154 rcu_read_unlock(); 1155 1156 /* to avoid AP Disassociation caused by inactivity */ 1157 rtlpriv->cfg->ops->set_hw_reg(hw, 1158 HW_VAR_KEEP_ALIVE, 1159 (u8 *)(&keep_alive)); 1160 1161 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1162 "BSS_CHANGED_ASSOC\n"); 1163 } else { 1164 struct cfg80211_bss *bss = NULL; 1165 1166 mstatus = RT_MEDIA_DISCONNECT; 1167 1168 if (mac->link_state == MAC80211_LINKED) 1169 rtl_lps_leave(hw); 1170 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) 1171 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); 1172 mac->link_state = MAC80211_NOLINK; 1173 1174 bss = cfg80211_get_bss(hw->wiphy, NULL, 1175 (u8 *)mac->bssid, NULL, 0, 1176 IEEE80211_BSS_TYPE_ESS, 1177 IEEE80211_PRIVACY_OFF); 1178 1179 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1180 "bssid = %pMF\n", mac->bssid); 1181 1182 if (bss) { 1183 cfg80211_unlink_bss(hw->wiphy, bss); 1184 cfg80211_put_bss(hw->wiphy, bss); 1185 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1186 "cfg80211_unlink !!\n"); 1187 } 1188 1189 eth_zero_addr(mac->bssid); 1190 mac->vendor = PEER_UNKNOWN; 1191 mac->mode = 0; 1192 1193 if (rtlpriv->dm.supp_phymode_switch) { 1194 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1195 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1196 } 1197 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1198 "BSS_CHANGED_UN_ASSOC\n"); 1199 } 1200 rtlpriv->cfg->ops->set_network_type(hw, vif->type); 1201 /* For FW LPS: 1202 * To tell firmware we have connected or disconnected 1203 */ 1204 rtlpriv->cfg->ops->set_hw_reg(hw, 1205 HW_VAR_H2C_FW_JOINBSSRPT, 1206 (u8 *)(&mstatus)); 1207 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? 1208 true : false; 1209 1210 if (rtlpriv->cfg->ops->get_btc_status()) 1211 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( 1212 rtlpriv, mstatus); 1213 } 1214 1215 if (changed & BSS_CHANGED_ERP_CTS_PROT) { 1216 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1217 "BSS_CHANGED_ERP_CTS_PROT\n"); 1218 mac->use_cts_protect = bss_conf->use_cts_prot; 1219 } 1220 1221 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 1222 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, 1223 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", 1224 bss_conf->use_short_preamble); 1225 1226 mac->short_preamble = bss_conf->use_short_preamble; 1227 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, 1228 (u8 *)(&mac->short_preamble)); 1229 } 1230 1231 if (changed & BSS_CHANGED_ERP_SLOT) { 1232 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1233 "BSS_CHANGED_ERP_SLOT\n"); 1234 1235 if (bss_conf->use_short_slot) 1236 mac->slot_time = RTL_SLOT_TIME_9; 1237 else 1238 mac->slot_time = RTL_SLOT_TIME_20; 1239 1240 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, 1241 (u8 *)(&mac->slot_time)); 1242 } 1243 1244 if (changed & BSS_CHANGED_HT) { 1245 struct ieee80211_sta *sta = NULL; 1246 1247 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1248 "BSS_CHANGED_HT\n"); 1249 1250 rcu_read_lock(); 1251 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1252 if (sta) { 1253 if (sta->ht_cap.ampdu_density > 1254 mac->current_ampdu_density) 1255 mac->current_ampdu_density = 1256 sta->ht_cap.ampdu_density; 1257 if (sta->ht_cap.ampdu_factor < 1258 mac->current_ampdu_factor) 1259 mac->current_ampdu_factor = 1260 sta->ht_cap.ampdu_factor; 1261 } 1262 rcu_read_unlock(); 1263 1264 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, 1265 (u8 *)(&mac->max_mss_density)); 1266 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, 1267 &mac->current_ampdu_factor); 1268 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, 1269 &mac->current_ampdu_density); 1270 } 1271 1272 if (changed & BSS_CHANGED_BSSID) { 1273 u32 basic_rates; 1274 struct ieee80211_sta *sta = NULL; 1275 1276 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, 1277 (u8 *)bss_conf->bssid); 1278 1279 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, 1280 "bssid: %pM\n", bss_conf->bssid); 1281 1282 mac->vendor = PEER_UNKNOWN; 1283 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); 1284 1285 rcu_read_lock(); 1286 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); 1287 if (!sta) { 1288 rcu_read_unlock(); 1289 goto out; 1290 } 1291 1292 if (rtlhal->current_bandtype == BAND_ON_5G) { 1293 mac->mode = WIRELESS_MODE_A; 1294 } else { 1295 if (sta->supp_rates[0] <= 0xf) 1296 mac->mode = WIRELESS_MODE_B; 1297 else 1298 mac->mode = WIRELESS_MODE_G; 1299 } 1300 1301 if (sta->ht_cap.ht_supported) { 1302 if (rtlhal->current_bandtype == BAND_ON_2_4G) 1303 mac->mode = WIRELESS_MODE_N_24G; 1304 else 1305 mac->mode = WIRELESS_MODE_N_5G; 1306 } 1307 1308 if (sta->vht_cap.vht_supported) { 1309 if (rtlhal->current_bandtype == BAND_ON_5G) 1310 mac->mode = WIRELESS_MODE_AC_5G; 1311 else 1312 mac->mode = WIRELESS_MODE_AC_24G; 1313 } 1314 1315 /* just station need it, because ibss & ap mode will 1316 * set in sta_add, and will be NULL here */ 1317 if (vif->type == NL80211_IFTYPE_STATION) { 1318 struct rtl_sta_info *sta_entry; 1319 sta_entry = (struct rtl_sta_info *)sta->drv_priv; 1320 sta_entry->wireless_mode = mac->mode; 1321 } 1322 1323 if (sta->ht_cap.ht_supported) { 1324 mac->ht_enable = true; 1325 1326 /* 1327 * for cisco 1252 bw20 it's wrong 1328 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { 1329 * mac->bw_40 = true; 1330 * } 1331 * */ 1332 } 1333 1334 if (sta->vht_cap.vht_supported) 1335 mac->vht_enable = true; 1336 1337 if (changed & BSS_CHANGED_BASIC_RATES) { 1338 /* for 5G must << RATE_6M_INDEX = 4, 1339 * because 5G have no cck rate*/ 1340 if (rtlhal->current_bandtype == BAND_ON_5G) 1341 basic_rates = sta->supp_rates[1] << 4; 1342 else 1343 basic_rates = sta->supp_rates[0]; 1344 1345 mac->basic_rates = basic_rates; 1346 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, 1347 (u8 *)(&basic_rates)); 1348 } 1349 rcu_read_unlock(); 1350 } 1351 out: 1352 mutex_unlock(&rtlpriv->locks.conf_mutex); 1353 } 1354 1355 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1356 { 1357 struct rtl_priv *rtlpriv = rtl_priv(hw); 1358 u64 tsf; 1359 1360 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); 1361 return tsf; 1362 } 1363 1364 static void rtl_op_set_tsf(struct ieee80211_hw *hw, 1365 struct ieee80211_vif *vif, u64 tsf) 1366 { 1367 struct rtl_priv *rtlpriv = rtl_priv(hw); 1368 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1369 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 1370 1371 mac->tsf = tsf; 1372 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); 1373 } 1374 1375 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1376 { 1377 struct rtl_priv *rtlpriv = rtl_priv(hw); 1378 u8 tmp = 0; 1379 1380 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); 1381 } 1382 1383 static void rtl_op_sta_notify(struct ieee80211_hw *hw, 1384 struct ieee80211_vif *vif, 1385 enum sta_notify_cmd cmd, 1386 struct ieee80211_sta *sta) 1387 { 1388 switch (cmd) { 1389 case STA_NOTIFY_SLEEP: 1390 break; 1391 case STA_NOTIFY_AWAKE: 1392 break; 1393 default: 1394 break; 1395 } 1396 } 1397 1398 static int rtl_op_ampdu_action(struct ieee80211_hw *hw, 1399 struct ieee80211_vif *vif, 1400 struct ieee80211_ampdu_params *params) 1401 { 1402 struct rtl_priv *rtlpriv = rtl_priv(hw); 1403 struct ieee80211_sta *sta = params->sta; 1404 enum ieee80211_ampdu_mlme_action action = params->action; 1405 u16 tid = params->tid; 1406 u16 *ssn = ¶ms->ssn; 1407 1408 switch (action) { 1409 case IEEE80211_AMPDU_TX_START: 1410 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1411 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); 1412 return rtl_tx_agg_start(hw, vif, sta, tid, ssn); 1413 case IEEE80211_AMPDU_TX_STOP_CONT: 1414 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1415 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1416 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1417 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); 1418 return rtl_tx_agg_stop(hw, vif, sta, tid); 1419 case IEEE80211_AMPDU_TX_OPERATIONAL: 1420 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1421 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); 1422 rtl_tx_agg_oper(hw, sta, tid); 1423 break; 1424 case IEEE80211_AMPDU_RX_START: 1425 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1426 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); 1427 return rtl_rx_agg_start(hw, sta, tid); 1428 case IEEE80211_AMPDU_RX_STOP: 1429 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, 1430 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); 1431 return rtl_rx_agg_stop(hw, sta, tid); 1432 default: 1433 pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); 1434 return -EOPNOTSUPP; 1435 } 1436 return 0; 1437 } 1438 1439 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, 1440 struct ieee80211_vif *vif, 1441 const u8 *mac_addr) 1442 { 1443 struct rtl_priv *rtlpriv = rtl_priv(hw); 1444 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1445 1446 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1447 mac->act_scanning = true; 1448 if (rtlpriv->link_info.higher_busytraffic) { 1449 mac->skip_scan = true; 1450 return; 1451 } 1452 1453 if (rtlpriv->cfg->ops->get_btc_status()) 1454 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); 1455 else if (rtlpriv->btcoexist.btc_ops) 1456 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1457 1); 1458 1459 if (rtlpriv->dm.supp_phymode_switch) { 1460 if (rtlpriv->cfg->ops->chk_switch_dmdp) 1461 rtlpriv->cfg->ops->chk_switch_dmdp(hw); 1462 } 1463 1464 if (mac->link_state == MAC80211_LINKED) { 1465 rtl_lps_leave(hw); 1466 mac->link_state = MAC80211_LINKED_SCANNING; 1467 } else { 1468 rtl_ips_nic_on(hw); 1469 } 1470 1471 /* Dul mac */ 1472 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1473 1474 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); 1475 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); 1476 } 1477 1478 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, 1479 struct ieee80211_vif *vif) 1480 { 1481 struct rtl_priv *rtlpriv = rtl_priv(hw); 1482 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1483 1484 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); 1485 mac->act_scanning = false; 1486 mac->skip_scan = false; 1487 1488 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 1489 1490 if (rtlpriv->link_info.higher_busytraffic) 1491 return; 1492 1493 /* p2p will use 1/6/11 to scan */ 1494 if (mac->n_channels == 3) 1495 mac->p2p_in_use = true; 1496 else 1497 mac->p2p_in_use = false; 1498 mac->n_channels = 0; 1499 /* Dul mac */ 1500 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; 1501 1502 if (mac->link_state == MAC80211_LINKED_SCANNING) { 1503 mac->link_state = MAC80211_LINKED; 1504 if (mac->opmode == NL80211_IFTYPE_STATION) { 1505 /* fix fwlps issue */ 1506 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 1507 } 1508 } 1509 1510 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); 1511 if (rtlpriv->cfg->ops->get_btc_status()) 1512 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); 1513 else if (rtlpriv->btcoexist.btc_ops) 1514 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1515 0); 1516 } 1517 1518 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1519 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1520 struct ieee80211_key_conf *key) 1521 { 1522 struct rtl_priv *rtlpriv = rtl_priv(hw); 1523 u8 key_type = NO_ENCRYPTION; 1524 u8 key_idx; 1525 bool group_key = false; 1526 bool wep_only = false; 1527 int err = 0; 1528 u8 mac_addr[ETH_ALEN]; 1529 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1530 1531 rtlpriv->btcoexist.btc_info.in_4way = false; 1532 1533 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { 1534 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, 1535 "not open hw encryption\n"); 1536 return -ENOSPC; /*User disabled HW-crypto */ 1537 } 1538 /* To support IBSS, use sw-crypto for GTK */ 1539 if ((vif->type == NL80211_IFTYPE_ADHOC || 1540 vif->type == NL80211_IFTYPE_MESH_POINT) && 1541 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 1542 return -ENOSPC; 1543 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1544 "%s hardware based encryption for keyidx: %d, mac: %pM\n", 1545 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, 1546 sta ? sta->addr : bcast_addr); 1547 rtlpriv->sec.being_setkey = true; 1548 rtl_ips_nic_on(hw); 1549 mutex_lock(&rtlpriv->locks.conf_mutex); 1550 /* <1> get encryption alg */ 1551 1552 switch (key->cipher) { 1553 case WLAN_CIPHER_SUITE_WEP40: 1554 key_type = WEP40_ENCRYPTION; 1555 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); 1556 break; 1557 case WLAN_CIPHER_SUITE_WEP104: 1558 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); 1559 key_type = WEP104_ENCRYPTION; 1560 break; 1561 case WLAN_CIPHER_SUITE_TKIP: 1562 key_type = TKIP_ENCRYPTION; 1563 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); 1564 break; 1565 case WLAN_CIPHER_SUITE_CCMP: 1566 key_type = AESCCMP_ENCRYPTION; 1567 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); 1568 break; 1569 case WLAN_CIPHER_SUITE_AES_CMAC: 1570 /* HW don't support CMAC encryption, 1571 * use software CMAC encryption 1572 */ 1573 key_type = AESCMAC_ENCRYPTION; 1574 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); 1575 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1576 "HW don't support CMAC encryption, use software CMAC encryption\n"); 1577 err = -EOPNOTSUPP; 1578 goto out_unlock; 1579 default: 1580 pr_err("alg_err:%x!!!!:\n", key->cipher); 1581 goto out_unlock; 1582 } 1583 if (key_type == WEP40_ENCRYPTION || 1584 key_type == WEP104_ENCRYPTION || 1585 vif->type == NL80211_IFTYPE_ADHOC) 1586 rtlpriv->sec.use_defaultkey = true; 1587 1588 /* <2> get key_idx */ 1589 key_idx = (u8) (key->keyidx); 1590 if (key_idx > 3) 1591 goto out_unlock; 1592 /* <3> if pairwise key enable_hw_sec */ 1593 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); 1594 1595 /* wep always be group key, but there are two conditions: 1596 * 1) wep only: is just for wep enc, in this condition 1597 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION 1598 * will be true & enable_hw_sec will be set when wep 1599 * ke setting. 1600 * 2) wep(group) + AES(pairwise): some AP like cisco 1601 * may use it, in this condition enable_hw_sec will not 1602 * be set when wep key setting */ 1603 /* we must reset sec_info after lingked before set key, 1604 * or some flag will be wrong*/ 1605 if (vif->type == NL80211_IFTYPE_AP || 1606 vif->type == NL80211_IFTYPE_MESH_POINT) { 1607 if (!group_key || key_type == WEP40_ENCRYPTION || 1608 key_type == WEP104_ENCRYPTION) { 1609 if (group_key) 1610 wep_only = true; 1611 rtlpriv->cfg->ops->enable_hw_sec(hw); 1612 } 1613 } else { 1614 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || 1615 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { 1616 if (rtlpriv->sec.pairwise_enc_algorithm == 1617 NO_ENCRYPTION && 1618 (key_type == WEP40_ENCRYPTION || 1619 key_type == WEP104_ENCRYPTION)) 1620 wep_only = true; 1621 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1622 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1623 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", 1624 key_type); 1625 rtlpriv->cfg->ops->enable_hw_sec(hw); 1626 } 1627 } 1628 /* <4> set key based on cmd */ 1629 switch (cmd) { 1630 case SET_KEY: 1631 if (wep_only) { 1632 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1633 "set WEP(group/pairwise) key\n"); 1634 /* Pairwise key with an assigned MAC address. */ 1635 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1636 rtlpriv->sec.group_enc_algorithm = key_type; 1637 /*set local buf about wep key. */ 1638 memcpy(rtlpriv->sec.key_buf[key_idx], 1639 key->key, key->keylen); 1640 rtlpriv->sec.key_len[key_idx] = key->keylen; 1641 eth_zero_addr(mac_addr); 1642 } else if (group_key) { /* group key */ 1643 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1644 "set group key\n"); 1645 /* group key */ 1646 rtlpriv->sec.group_enc_algorithm = key_type; 1647 /*set local buf about group key. */ 1648 memcpy(rtlpriv->sec.key_buf[key_idx], 1649 key->key, key->keylen); 1650 rtlpriv->sec.key_len[key_idx] = key->keylen; 1651 memcpy(mac_addr, bcast_addr, ETH_ALEN); 1652 } else { /* pairwise key */ 1653 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1654 "set pairwise key\n"); 1655 if (!sta) { 1656 WARN_ONCE(true, 1657 "rtlwifi: pairwise key without mac_addr\n"); 1658 1659 err = -EOPNOTSUPP; 1660 goto out_unlock; 1661 } 1662 /* Pairwise key with an assigned MAC address. */ 1663 rtlpriv->sec.pairwise_enc_algorithm = key_type; 1664 /*set local buf about pairwise key. */ 1665 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], 1666 key->key, key->keylen); 1667 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; 1668 rtlpriv->sec.pairwise_key = 1669 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; 1670 memcpy(mac_addr, sta->addr, ETH_ALEN); 1671 } 1672 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, 1673 group_key, key_type, wep_only, 1674 false); 1675 /* <5> tell mac80211 do something: */ 1676 /*must use sw generate IV, or can not work !!!!. */ 1677 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 1678 key->hw_key_idx = key_idx; 1679 if (key_type == TKIP_ENCRYPTION) 1680 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 1681 /*use software CCMP encryption for management frames (MFP) */ 1682 if (key_type == AESCCMP_ENCRYPTION) 1683 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 1684 break; 1685 case DISABLE_KEY: 1686 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, 1687 "disable key delete one entry\n"); 1688 /*set local buf about wep key. */ 1689 if (vif->type == NL80211_IFTYPE_AP || 1690 vif->type == NL80211_IFTYPE_MESH_POINT) { 1691 if (sta) 1692 rtl_cam_del_entry(hw, sta->addr); 1693 } 1694 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); 1695 rtlpriv->sec.key_len[key_idx] = 0; 1696 eth_zero_addr(mac_addr); 1697 /* 1698 *mac80211 will delete entrys one by one, 1699 *so don't use rtl_cam_reset_all_entry 1700 *or clear all entry here. 1701 */ 1702 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ 1703 1704 rtl_cam_delete_one_entry(hw, mac_addr, key_idx); 1705 break; 1706 default: 1707 pr_err("cmd_err:%x!!!!:\n", cmd); 1708 } 1709 out_unlock: 1710 mutex_unlock(&rtlpriv->locks.conf_mutex); 1711 rtlpriv->sec.being_setkey = false; 1712 return err; 1713 } 1714 1715 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) 1716 { 1717 struct rtl_priv *rtlpriv = rtl_priv(hw); 1718 1719 bool radio_state; 1720 bool blocked; 1721 u8 valid = 0; 1722 1723 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) 1724 return; 1725 1726 mutex_lock(&rtlpriv->locks.conf_mutex); 1727 1728 /*if Radio On return true here */ 1729 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); 1730 1731 if (valid) { 1732 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { 1733 rtlpriv->rfkill.rfkill_state = radio_state; 1734 1735 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, 1736 "wireless radio switch turned %s\n", 1737 radio_state ? "on" : "off"); 1738 1739 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; 1740 wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1741 } 1742 } 1743 1744 mutex_unlock(&rtlpriv->locks.conf_mutex); 1745 } 1746 1747 /* this function is called by mac80211 to flush tx buffer 1748 * before switch channle or power save, or tx buffer packet 1749 * maybe send after offchannel or rf sleep, this may cause 1750 * dis-association by AP */ 1751 static void rtl_op_flush(struct ieee80211_hw *hw, 1752 struct ieee80211_vif *vif, 1753 u32 queues, 1754 bool drop) 1755 { 1756 struct rtl_priv *rtlpriv = rtl_priv(hw); 1757 1758 if (rtlpriv->intf_ops->flush) 1759 rtlpriv->intf_ops->flush(hw, queues, drop); 1760 } 1761 1762 /* Description: 1763 * This routine deals with the Power Configuration CMD 1764 * parsing for RTL8723/RTL8188E Series IC. 1765 * Assumption: 1766 * We should follow specific format that was released from HW SD. 1767 */ 1768 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, 1769 u8 faversion, u8 interface_type, 1770 struct wlan_pwr_cfg pwrcfgcmd[]) 1771 { 1772 struct wlan_pwr_cfg cfg_cmd; 1773 bool polling_bit = false; 1774 u32 ary_idx = 0; 1775 u8 value = 0; 1776 u32 offset = 0; 1777 u32 polling_count = 0; 1778 u32 max_polling_cnt = 5000; 1779 1780 do { 1781 cfg_cmd = pwrcfgcmd[ary_idx]; 1782 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1783 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", 1784 GET_PWR_CFG_OFFSET(cfg_cmd), 1785 GET_PWR_CFG_CUT_MASK(cfg_cmd), 1786 GET_PWR_CFG_FAB_MASK(cfg_cmd), 1787 GET_PWR_CFG_INTF_MASK(cfg_cmd), 1788 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), 1789 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); 1790 1791 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && 1792 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && 1793 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { 1794 switch (GET_PWR_CFG_CMD(cfg_cmd)) { 1795 case PWR_CMD_READ: 1796 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1797 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); 1798 break; 1799 case PWR_CMD_WRITE: 1800 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1801 "%s(): PWR_CMD_WRITE\n", __func__); 1802 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1803 1804 /*Read the value from system register*/ 1805 value = rtl_read_byte(rtlpriv, offset); 1806 value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); 1807 value |= (GET_PWR_CFG_VALUE(cfg_cmd) & 1808 GET_PWR_CFG_MASK(cfg_cmd)); 1809 1810 /*Write the value back to sytem register*/ 1811 rtl_write_byte(rtlpriv, offset, value); 1812 break; 1813 case PWR_CMD_POLLING: 1814 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1815 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); 1816 polling_bit = false; 1817 offset = GET_PWR_CFG_OFFSET(cfg_cmd); 1818 1819 do { 1820 value = rtl_read_byte(rtlpriv, offset); 1821 1822 value &= GET_PWR_CFG_MASK(cfg_cmd); 1823 if (value == 1824 (GET_PWR_CFG_VALUE(cfg_cmd) & 1825 GET_PWR_CFG_MASK(cfg_cmd))) 1826 polling_bit = true; 1827 else 1828 udelay(10); 1829 1830 if (polling_count++ > max_polling_cnt) 1831 return false; 1832 } while (!polling_bit); 1833 break; 1834 case PWR_CMD_DELAY: 1835 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1836 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n"); 1837 if (GET_PWR_CFG_VALUE(cfg_cmd) == 1838 PWRSEQ_DELAY_US) 1839 udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1840 else 1841 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); 1842 break; 1843 case PWR_CMD_END: 1844 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, 1845 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n"); 1846 return true; 1847 default: 1848 WARN_ONCE(true, 1849 "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); 1850 break; 1851 } 1852 } 1853 ary_idx++; 1854 } while (1); 1855 1856 return true; 1857 } 1858 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); 1859 1860 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) 1861 { 1862 struct rtl_priv *rtlpriv = rtl_priv(hw); 1863 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 1864 struct rtl8192_tx_ring *ring; 1865 struct rtl_tx_desc *pdesc; 1866 unsigned long flags; 1867 struct sk_buff *pskb = NULL; 1868 1869 ring = &rtlpci->tx_ring[BEACON_QUEUE]; 1870 1871 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); 1872 pskb = __skb_dequeue(&ring->queue); 1873 if (pskb) 1874 dev_kfree_skb_irq(pskb); 1875 1876 /*this is wrong, fill_tx_cmddesc needs update*/ 1877 pdesc = &ring->desc[0]; 1878 1879 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb); 1880 1881 __skb_queue_tail(&ring->queue, skb); 1882 1883 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); 1884 1885 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); 1886 1887 return true; 1888 } 1889 EXPORT_SYMBOL(rtl_cmd_send_packet); 1890 const struct ieee80211_ops rtl_ops = { 1891 .start = rtl_op_start, 1892 .stop = rtl_op_stop, 1893 .tx = rtl_op_tx, 1894 .add_interface = rtl_op_add_interface, 1895 .remove_interface = rtl_op_remove_interface, 1896 .change_interface = rtl_op_change_interface, 1897 #ifdef CONFIG_PM 1898 .suspend = rtl_op_suspend, 1899 .resume = rtl_op_resume, 1900 #endif 1901 .config = rtl_op_config, 1902 .configure_filter = rtl_op_configure_filter, 1903 .set_key = rtl_op_set_key, 1904 .conf_tx = rtl_op_conf_tx, 1905 .bss_info_changed = rtl_op_bss_info_changed, 1906 .get_tsf = rtl_op_get_tsf, 1907 .set_tsf = rtl_op_set_tsf, 1908 .reset_tsf = rtl_op_reset_tsf, 1909 .sta_notify = rtl_op_sta_notify, 1910 .ampdu_action = rtl_op_ampdu_action, 1911 .sw_scan_start = rtl_op_sw_scan_start, 1912 .sw_scan_complete = rtl_op_sw_scan_complete, 1913 .rfkill_poll = rtl_op_rfkill_poll, 1914 .sta_add = rtl_op_sta_add, 1915 .sta_remove = rtl_op_sta_remove, 1916 .flush = rtl_op_flush, 1917 }; 1918 EXPORT_SYMBOL_GPL(rtl_ops); 1919 1920 bool rtl_btc_status_false(void) 1921 { 1922 return false; 1923 } 1924 EXPORT_SYMBOL_GPL(rtl_btc_status_false); 1925 1926 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) 1927 { 1928 struct rtl_priv *rtlpriv = rtl_priv(hw); 1929 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 1930 1931 dm_digtable->dig_enable_flag = true; 1932 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 1933 dm_digtable->cur_igvalue = cur_igvalue; 1934 dm_digtable->pre_igvalue = 0; 1935 dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; 1936 dm_digtable->presta_cstate = DIG_STA_DISCONNECT; 1937 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 1938 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; 1939 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; 1940 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; 1941 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; 1942 dm_digtable->rx_gain_max = DM_DIG_MAX; 1943 dm_digtable->rx_gain_min = DM_DIG_MIN; 1944 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 1945 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; 1946 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; 1947 dm_digtable->pre_cck_cca_thres = 0xff; 1948 dm_digtable->cur_cck_cca_thres = 0x83; 1949 dm_digtable->forbidden_igi = DM_DIG_MIN; 1950 dm_digtable->large_fa_hit = 0; 1951 dm_digtable->recover_cnt = 0; 1952 dm_digtable->dig_min_0 = 0x25; 1953 dm_digtable->dig_min_1 = 0x25; 1954 dm_digtable->media_connect_0 = false; 1955 dm_digtable->media_connect_1 = false; 1956 rtlpriv->dm.dm_initialgain_enable = true; 1957 dm_digtable->bt30_cur_igi = 0x32; 1958 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; 1959 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; 1960 } 1961 EXPORT_SYMBOL(rtl_dm_diginit); 1962