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