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