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