core.c

   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright(c) 2009-2012  Realtek Corporation.*/
   3
   4#include "wifi.h"
   5#include "core.h"
   6#include "cam.h"
   7#include "base.h"
   8#include "ps.h"
   9#include "pwrseqcmd.h"
  10
  11#include "btcoexist/rtl_btc.h"
  12#include <linux/firmware.h>
  13#include <linux/export.h>
  14#include <net/cfg80211.h>
  15
  16u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
  17	36, 38, 40, 42, 44, 46, 48,		/* Band 1 */
  18	52, 54, 56, 58, 60, 62, 64,		/* Band 2 */
  19	100, 102, 104, 106, 108, 110, 112,	/* Band 3 */
  20	116, 118, 120, 122, 124, 126, 128,	/* Band 3 */
  21	132, 134, 136, 138, 140, 142, 144,	/* Band 3 */
  22	149, 151, 153, 155, 157, 159, 161,	/* Band 4 */
  23	165, 167, 169, 171, 173, 175, 177	/* Band 4 */
  24};
  25EXPORT_SYMBOL(channel5g);
  26
  27u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
  28	42, 58, 106, 122, 138, 155, 171
  29};
  30EXPORT_SYMBOL(channel5g_80m);
  31
  32void rtl_addr_delay(u32 addr)
  33{
  34	if (addr == 0xfe)
  35		mdelay(50);
  36	else if (addr == 0xfd)
  37		msleep(5);
  38	else if (addr == 0xfc)
  39		msleep(1);
  40	else if (addr == 0xfb)
  41		usleep_range(50, 100);
  42	else if (addr == 0xfa)
  43		usleep_range(5, 10);
  44	else if (addr == 0xf9)
  45		usleep_range(1, 2);
  46}
  47EXPORT_SYMBOL(rtl_addr_delay);
  48
  49void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
  50		     u32 mask, u32 data)
  51{
  52	if (addr >= 0xf9 && addr <= 0xfe) {
  53		rtl_addr_delay(addr);
  54	} else {
  55		rtl_set_rfreg(hw, rfpath, addr, mask, data);
  56		udelay(1);
  57	}
  58}
  59EXPORT_SYMBOL(rtl_rfreg_delay);
  60
  61static void rtl_fw_do_work(const struct firmware *firmware, void *context,
  62			   bool is_wow)
  63{
  64	struct ieee80211_hw *hw = context;
  65	struct rtl_priv *rtlpriv = rtl_priv(hw);
  66	int err;
  67
  68	rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
  69		"Firmware callback routine entered!\n");
  70	if (!firmware) {
  71		if (rtlpriv->cfg->alt_fw_name) {
  72			err = request_firmware(&firmware,
  73					       rtlpriv->cfg->alt_fw_name,
  74					       rtlpriv->io.dev);
  75			pr_info("Loading alternative firmware %s\n",
  76				rtlpriv->cfg->alt_fw_name);
  77			if (!err)
  78				goto found_alt;
  79		}
  80		pr_err("Selected firmware is not available\n");
  81		rtlpriv->max_fw_size = 0;
  82		goto exit;
  83	}
  84found_alt:
  85	if (firmware->size > rtlpriv->max_fw_size) {
  86		pr_err("Firmware is too big!\n");
  87		release_firmware(firmware);
  88		goto exit;
  89	}
  90	if (!is_wow) {
  91		memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
  92		       firmware->size);
  93		rtlpriv->rtlhal.fwsize = firmware->size;
  94	} else {
  95		memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
  96		       firmware->size);
  97		rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
  98	}
  99	release_firmware(firmware);
 100
 101exit:
 102	complete(&rtlpriv->firmware_loading_complete);
 103}
 104
 105void rtl_fw_cb(const struct firmware *firmware, void *context)
 106{
 107	rtl_fw_do_work(firmware, context, false);
 108}
 109EXPORT_SYMBOL(rtl_fw_cb);
 110
 111void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
 112{
 113	rtl_fw_do_work(firmware, context, true);
 114}
 115EXPORT_SYMBOL(rtl_wowlan_fw_cb);
 116
 117/*mutex for start & stop is must here. */
 118static int rtl_op_start(struct ieee80211_hw *hw)
 119{
 120	int err = 0;
 121	struct rtl_priv *rtlpriv = rtl_priv(hw);
 122	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 123
 124	if (!is_hal_stop(rtlhal))
 125		return 0;
 126	if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 127		return 0;
 128	mutex_lock(&rtlpriv->locks.conf_mutex);
 129	err = rtlpriv->intf_ops->adapter_start(hw);
 130	if (!err)
 131		rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
 132	mutex_unlock(&rtlpriv->locks.conf_mutex);
 133	return err;
 134}
 135
 136static void rtl_op_stop(struct ieee80211_hw *hw, bool suspend)
 137{
 138	struct rtl_priv *rtlpriv = rtl_priv(hw);
 139	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 140	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 141	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 142	bool support_remote_wakeup = false;
 143
 144	if (is_hal_stop(rtlhal))
 145		return;
 146
 147	rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
 148				      (u8 *)(&support_remote_wakeup));
 149	/* here is must, because adhoc do stop and start,
 150	 * but stop with RFOFF may cause something wrong,
 151	 * like adhoc TP
 152	 */
 153	if (unlikely(ppsc->rfpwr_state == ERFOFF))
 154		rtl_ips_nic_on(hw);
 155
 156	mutex_lock(&rtlpriv->locks.conf_mutex);
 157	/* if wowlan supported, DON'T clear connected info */
 158	if (!(support_remote_wakeup &&
 159	      rtlhal->enter_pnp_sleep)) {
 160		mac->link_state = MAC80211_NOLINK;
 161		eth_zero_addr(mac->bssid);
 162		mac->vendor = PEER_UNKNOWN;
 163
 164		/* reset sec info */
 165		rtl_cam_reset_sec_info(hw);
 166
 167		rtl_deinit_deferred_work(hw, false);
 168	}
 169	rtlpriv->intf_ops->adapter_stop(hw);
 170
 171	mutex_unlock(&rtlpriv->locks.conf_mutex);
 172}
 173
 174static void rtl_op_tx(struct ieee80211_hw *hw,
 175		      struct ieee80211_tx_control *control,
 176		      struct sk_buff *skb)
 177{
 178	struct rtl_priv *rtlpriv = rtl_priv(hw);
 179	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 180	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 181	struct rtl_tcb_desc tcb_desc;
 182
 183	memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 184
 185	if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 186		goto err_free;
 187
 188	if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 189		goto err_free;
 190
 191	if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 192		rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 193	return;
 194
 195err_free:
 196	dev_kfree_skb_any(skb);
 197}
 198
 199static int rtl_op_add_interface(struct ieee80211_hw *hw,
 200		struct ieee80211_vif *vif)
 201{
 202	struct rtl_priv *rtlpriv = rtl_priv(hw);
 203	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 204	int err = 0;
 205	u8 retry_limit = 0x30;
 206
 207	if (mac->vif) {
 208		rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
 209			"vif has been set!! mac->vif = 0x%p\n", mac->vif);
 210		return -EOPNOTSUPP;
 211	}
 212
 213	vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 214
 215	rtl_ips_nic_on(hw);
 216
 217	mutex_lock(&rtlpriv->locks.conf_mutex);
 218	switch (ieee80211_vif_type_p2p(vif)) {
 219	case NL80211_IFTYPE_P2P_CLIENT:
 220		mac->p2p = P2P_ROLE_CLIENT;
 221		fallthrough;
 222	case NL80211_IFTYPE_STATION:
 223		if (mac->beacon_enabled == 1) {
 224			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 225				"NL80211_IFTYPE_STATION\n");
 226			mac->beacon_enabled = 0;
 227			rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 228					rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 229		}
 230		break;
 231	case NL80211_IFTYPE_ADHOC:
 232		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 233			"NL80211_IFTYPE_ADHOC\n");
 234
 235		mac->link_state = MAC80211_LINKED;
 236		rtlpriv->cfg->ops->set_bcn_reg(hw);
 237		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 238			mac->basic_rates = 0xfff;
 239		else
 240			mac->basic_rates = 0xff0;
 241		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 242				(u8 *)(&mac->basic_rates));
 243
 244		retry_limit = 0x07;
 245		break;
 246	case NL80211_IFTYPE_P2P_GO:
 247		mac->p2p = P2P_ROLE_GO;
 248		fallthrough;
 249	case NL80211_IFTYPE_AP:
 250		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 251			"NL80211_IFTYPE_AP\n");
 252
 253		mac->link_state = MAC80211_LINKED;
 254		rtlpriv->cfg->ops->set_bcn_reg(hw);
 255		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 256			mac->basic_rates = 0xfff;
 257		else
 258			mac->basic_rates = 0xff0;
 259		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 260					      (u8 *)(&mac->basic_rates));
 261
 262		retry_limit = 0x07;
 263		break;
 264	case NL80211_IFTYPE_MESH_POINT:
 265		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 266			"NL80211_IFTYPE_MESH_POINT\n");
 267
 268		mac->link_state = MAC80211_LINKED;
 269		rtlpriv->cfg->ops->set_bcn_reg(hw);
 270		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 271			mac->basic_rates = 0xfff;
 272		else
 273			mac->basic_rates = 0xff0;
 274		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 275				(u8 *)(&mac->basic_rates));
 276
 277		retry_limit = 0x07;
 278		break;
 279	default:
 280		pr_err("operation mode %d is not supported!\n",
 281		       vif->type);
 282		err = -EOPNOTSUPP;
 283		goto out;
 284	}
 285
 286	if (mac->p2p) {
 287		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 288			"p2p role %x\n", vif->type);
 289		mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 290		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 291				(u8 *)(&mac->basic_rates));
 292	}
 293	mac->vif = vif;
 294	mac->opmode = vif->type;
 295	rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 296	memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 297	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 298
 299	mac->retry_long = retry_limit;
 300	mac->retry_short = retry_limit;
 301	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 302			(u8 *)(&retry_limit));
 303out:
 304	mutex_unlock(&rtlpriv->locks.conf_mutex);
 305	return err;
 306}
 307
 308static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 309		struct ieee80211_vif *vif)
 310{
 311	struct rtl_priv *rtlpriv = rtl_priv(hw);
 312	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 313
 314	mutex_lock(&rtlpriv->locks.conf_mutex);
 315
 316	/* Free beacon resources */
 317	if (vif->type == NL80211_IFTYPE_AP ||
 318	    vif->type == NL80211_IFTYPE_ADHOC ||
 319	    vif->type == NL80211_IFTYPE_MESH_POINT) {
 320		if (mac->beacon_enabled == 1) {
 321			mac->beacon_enabled = 0;
 322			rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 323					rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 324		}
 325	}
 326
 327	/*
 328	 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 329	 *NO LINK for our hardware.
 330	 */
 331	mac->p2p = 0;
 332	mac->vif = NULL;
 333	mac->link_state = MAC80211_NOLINK;
 334	eth_zero_addr(mac->bssid);
 335	mac->vendor = PEER_UNKNOWN;
 336	mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 337	rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 338
 339	mutex_unlock(&rtlpriv->locks.conf_mutex);
 340}
 341
 342static int rtl_op_change_interface(struct ieee80211_hw *hw,
 343				   struct ieee80211_vif *vif,
 344				   enum nl80211_iftype new_type, bool p2p)
 345{
 346	struct rtl_priv *rtlpriv = rtl_priv(hw);
 347	int ret;
 348
 349	rtl_op_remove_interface(hw, vif);
 350
 351	vif->type = new_type;
 352	vif->p2p = p2p;
 353	ret = rtl_op_add_interface(hw, vif);
 354	rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 355		"p2p  %x\n", p2p);
 356	return ret;
 357}
 358
 359#ifdef CONFIG_PM
 360static u16 crc16_ccitt(u8 data, u16 crc)
 361{
 362	u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
 363	u8 i;
 364	u16 result;
 365
 366	for (i = 0; i < 8; i++) {
 367		crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
 368		data_bit  = (data & (BIT(0) << i) ? 1 : 0);
 369		shift_in = crc_bit15 ^ data_bit;
 370
 371		result = crc << 1;
 372		if (shift_in == 0)
 373			result &= (~BIT(0));
 374		else
 375			result |= BIT(0);
 376
 377		crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
 378		if (crc_bit11 == 0)
 379			result &= (~BIT(12));
 380		else
 381			result |= BIT(12);
 382
 383		crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
 384		if (crc_bit4 == 0)
 385			result &= (~BIT(5));
 386		else
 387			result |= BIT(5);
 388
 389		crc = result;
 390	}
 391
 392	return crc;
 393}
 394
 395static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
 396{
 397	u16 crc = 0xffff;
 398	u32 i;
 399
 400	for (i = 0; i < len; i++)
 401		crc = crc16_ccitt(pattern[i], crc);
 402
 403	crc = ~crc;
 404
 405	return crc;
 406}
 407
 408static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
 409				     struct cfg80211_wowlan *wow)
 410{
 411	struct rtl_priv *rtlpriv = rtl_priv(hw);
 412	struct rtl_mac *mac = &rtlpriv->mac80211;
 413	struct cfg80211_pkt_pattern *patterns = wow->patterns;
 414	struct rtl_wow_pattern rtl_pattern;
 415	const u8 *pattern_os, *mask_os;
 416	u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
 417	u8 content[MAX_WOL_PATTERN_SIZE] = {0};
 418	u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 419	u8 multicast_addr1[2] = {0x33, 0x33};
 420	u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
 421	u8 i, mask_len;
 422	u16 j, len;
 423
 424	for (i = 0; i < wow->n_patterns; i++) {
 425		memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
 426		memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
 427		if (patterns[i].pattern_len < 0 ||
 428		    patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
 429			rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING,
 430				"Pattern[%d] is too long\n", i);
 431			continue;
 432		}
 433		pattern_os = patterns[i].pattern;
 434		mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
 435		mask_os = patterns[i].mask;
 436		RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 437			      "pattern content\n", pattern_os,
 438			       patterns[i].pattern_len);
 439		RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 440			      "mask content\n", mask_os, mask_len);
 441		/* 1. unicast? multicast? or broadcast? */
 442		if (memcmp(pattern_os, broadcast_addr, 6) == 0)
 443			rtl_pattern.type = BROADCAST_PATTERN;
 444		else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
 445			 memcmp(pattern_os, multicast_addr2, 3) == 0)
 446			rtl_pattern.type = MULTICAST_PATTERN;
 447		else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
 448			rtl_pattern.type = UNICAST_PATTERN;
 449		else
 450			rtl_pattern.type = UNKNOWN_TYPE;
 451
 452		/* 2. translate mask_from_os to mask_for_hw */
 453
 454/******************************************************************************
 455 * pattern from OS uses 'ethenet frame', like this:
 456
 457		   |    6   |    6   |   2  |     20    |  Variable  |	4  |
 458		   |--------+--------+------+-----------+------------+-----|
 459		   |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
 460		   |   DA   |   SA   | Type |
 461
 462 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
 463
 464	|     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
 465	|-------------------+--------+------+-----------+------------+-----|
 466	| 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
 467			    | Others | Tpye |
 468
 469 * Therefore, we need translate mask_from_OS to mask_to_hw.
 470 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 471 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 472 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 473 ******************************************************************************/
 474
 475		/* Shift 6 bits */
 476		for (j = 0; j < mask_len - 1; j++) {
 477			mask[j] = mask_os[j] >> 6;
 478			mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
 479		}
 480		mask[j] = (mask_os[j] >> 6) & 0x3F;
 481		/* Set bit 0-5 to zero */
 482		mask[0] &= 0xC0;
 483
 484		RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 485			      "mask to hw\n", mask, mask_len);
 486		for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
 487			rtl_pattern.mask[j] = mask[j * 4];
 488			rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
 489			rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
 490			rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
 491		}
 492
 493		/* To get the wake up pattern from the mask.
 494		 * We do not count first 12 bits which means
 495		 * DA[6] and SA[6] in the pattern to match HW design.
 496		 */
 497		len = 0;
 498		for (j = 12; j < patterns[i].pattern_len; j++) {
 499			if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
 500				content[len] = pattern_os[j];
 501				len++;
 502			}
 503		}
 504
 505		RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 506			      "pattern to hw\n", content, len);
 507		/* 3. calculate crc */
 508		rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
 509		rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
 510			"CRC_Remainder = 0x%x\n", rtl_pattern.crc);
 511
 512		/* 4. write crc & mask_for_hw to hw */
 513		rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
 514	}
 515	rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
 516}
 517
 518static int rtl_op_suspend(struct ieee80211_hw *hw,
 519			  struct cfg80211_wowlan *wow)
 520{
 521	struct rtl_priv *rtlpriv = rtl_priv(hw);
 522	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 523	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 524
 525	rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 526	if (WARN_ON(!wow))
 527		return -EINVAL;
 528
 529	/* to resolve s4 can not wake up*/
 530	rtlhal->last_suspend_sec = ktime_get_real_seconds();
 531
 532	if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
 533		_rtl_add_wowlan_patterns(hw, wow);
 534
 535	rtlhal->driver_is_goingto_unload = true;
 536	rtlhal->enter_pnp_sleep = true;
 537
 538	rtl_lps_leave(hw, true);
 539	rtl_op_stop(hw, false);
 540	device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
 541	return 0;
 542}
 543
 544static int rtl_op_resume(struct ieee80211_hw *hw)
 545{
 546	struct rtl_priv *rtlpriv = rtl_priv(hw);
 547	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 548	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 549	time64_t now;
 550
 551	rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 552	rtlhal->driver_is_goingto_unload = false;
 553	rtlhal->enter_pnp_sleep = false;
 554	rtlhal->wake_from_pnp_sleep = true;
 555
 556	/* to resolve s4 can not wake up*/
 557	now = ktime_get_real_seconds();
 558	if (now - rtlhal->last_suspend_sec < 5)
 559		return -1;
 560
 561	rtl_op_start(hw);
 562	device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
 563	ieee80211_resume_disconnect(mac->vif);
 564	rtlhal->wake_from_pnp_sleep = false;
 565	return 0;
 566}
 567#endif
 568
 569static int rtl_op_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
 570{
 571	struct rtl_priv *rtlpriv = rtl_priv(hw);
 572	struct rtl_phy *rtlphy = &(rtlpriv->phy);
 573	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 574	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 575	struct ieee80211_conf *conf = &hw->conf;
 576
 577	if (mac->skip_scan)
 578		return 1;
 579
 580	mutex_lock(&rtlpriv->locks.conf_mutex);
 581	if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {	/* BIT(2)*/
 582		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 583			"IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 584	}
 585
 586	/*For IPS */
 587	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 588		if (hw->conf.flags & IEEE80211_CONF_IDLE)
 589			rtl_ips_nic_off(hw);
 590		else
 591			rtl_ips_nic_on(hw);
 592	} else {
 593		/*
 594		 *although rfoff may not cause by ips, but we will
 595		 *check the reason in set_rf_power_state function
 596		 */
 597		if (unlikely(ppsc->rfpwr_state == ERFOFF))
 598			rtl_ips_nic_on(hw);
 599	}
 600
 601	/*For LPS */
 602	if ((changed & IEEE80211_CONF_CHANGE_PS) &&
 603	    rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
 604		cancel_delayed_work(&rtlpriv->works.ps_work);
 605		cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 606		if (conf->flags & IEEE80211_CONF_PS) {
 607			rtlpriv->psc.sw_ps_enabled = true;
 608			/* sleep here is must, or we may recv the beacon and
 609			 * cause mac80211 into wrong ps state, this will cause
 610			 * power save nullfunc send fail, and further cause
 611			 * pkt loss, So sleep must quickly but not immediatly
 612			 * because that will cause nullfunc send by mac80211
 613			 * fail, and cause pkt loss, we have tested that 5mA
 614			 * is worked very well */
 615			if (!rtlpriv->psc.multi_buffered)
 616				queue_delayed_work(rtlpriv->works.rtl_wq,
 617						   &rtlpriv->works.ps_work,
 618						   MSECS(5));
 619		} else {
 620			rtl_swlps_rf_awake(hw);
 621			rtlpriv->psc.sw_ps_enabled = false;
 622		}
 623	}
 624
 625	if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 626	    !rtlpriv->proximity.proxim_on) {
 627		struct ieee80211_channel *channel = hw->conf.chandef.chan;
 628		enum nl80211_chan_width width = hw->conf.chandef.width;
 629		enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 630		u8 wide_chan = (u8) channel->hw_value;
 631
 632		/* channel_type is for 20&40M */
 633		if (width < NL80211_CHAN_WIDTH_80)
 634			channel_type =
 635				cfg80211_get_chandef_type(&hw->conf.chandef);
 636		if (mac->act_scanning)
 637			mac->n_channels++;
 638
 639		/*
 640		 *because we should back channel to
 641		 *current_network.chan in scanning,
 642		 *So if set_chan == current_network.chan
 643		 *we should set it.
 644		 *because mac80211 tell us wrong bw40
 645		 *info for cisco1253 bw20, so we modify
 646		 *it here based on UPPER & LOWER
 647		 */
 648
 649		if (width >= NL80211_CHAN_WIDTH_80) {
 650			if (width == NL80211_CHAN_WIDTH_80) {
 651				u32 center = hw->conf.chandef.center_freq1;
 652				u32 primary =
 653				(u32)hw->conf.chandef.chan->center_freq;
 654
 655				rtlphy->current_chan_bw =
 656					HT_CHANNEL_WIDTH_80;
 657				mac->bw_80 = true;
 658				mac->bw_40 = true;
 659				if (center > primary) {
 660					mac->cur_80_prime_sc =
 661					PRIME_CHNL_OFFSET_LOWER;
 662					if (center - primary == 10) {
 663						mac->cur_40_prime_sc =
 664						PRIME_CHNL_OFFSET_UPPER;
 665
 666						wide_chan += 2;
 667					} else if (center - primary == 30) {
 668						mac->cur_40_prime_sc =
 669						PRIME_CHNL_OFFSET_LOWER;
 670
 671						wide_chan += 6;
 672					}
 673				} else {
 674					mac->cur_80_prime_sc =
 675					PRIME_CHNL_OFFSET_UPPER;
 676					if (primary - center == 10) {
 677						mac->cur_40_prime_sc =
 678						PRIME_CHNL_OFFSET_LOWER;
 679
 680						wide_chan -= 2;
 681					} else if (primary - center == 30) {
 682						mac->cur_40_prime_sc =
 683						PRIME_CHNL_OFFSET_UPPER;
 684
 685						wide_chan -= 6;
 686					}
 687				}
 688			}
 689		} else {
 690			switch (channel_type) {
 691			case NL80211_CHAN_HT20:
 692			case NL80211_CHAN_NO_HT:
 693					/* SC */
 694					mac->cur_40_prime_sc =
 695						PRIME_CHNL_OFFSET_DONT_CARE;
 696					rtlphy->current_chan_bw =
 697						HT_CHANNEL_WIDTH_20;
 698					mac->bw_40 = false;
 699					mac->bw_80 = false;
 700					break;
 701			case NL80211_CHAN_HT40MINUS:
 702					/* SC */
 703					mac->cur_40_prime_sc =
 704						PRIME_CHNL_OFFSET_UPPER;
 705					rtlphy->current_chan_bw =
 706						HT_CHANNEL_WIDTH_20_40;
 707					mac->bw_40 = true;
 708					mac->bw_80 = false;
 709
 710					/*wide channel */
 711					wide_chan -= 2;
 712
 713					break;
 714			case NL80211_CHAN_HT40PLUS:
 715					/* SC */
 716					mac->cur_40_prime_sc =
 717						PRIME_CHNL_OFFSET_LOWER;
 718					rtlphy->current_chan_bw =
 719						HT_CHANNEL_WIDTH_20_40;
 720					mac->bw_40 = true;
 721					mac->bw_80 = false;
 722
 723					/*wide channel */
 724					wide_chan += 2;
 725
 726					break;
 727			default:
 728					mac->bw_40 = false;
 729					mac->bw_80 = false;
 730					pr_err("switch case %#x not processed\n",
 731					       channel_type);
 732					break;
 733			}
 734		}
 735
 736		if (wide_chan <= 0)
 737			wide_chan = 1;
 738
 739		/* In scanning, when before we offchannel we may send a ps=1
 740		 * null to AP, and then we may send a ps = 0 null to AP quickly,
 741		 * but first null may have caused AP to put lots of packet to
 742		 * hw tx buffer. These packets must be tx'd before we go off
 743		 * channel so we must delay more time to let AP flush these
 744		 * packets before going offchannel, or dis-association or
 745		 * delete BA will be caused by AP
 746		 */
 747		if (rtlpriv->mac80211.offchan_delay) {
 748			rtlpriv->mac80211.offchan_delay = false;
 749			mdelay(50);
 750		}
 751
 752		rtlphy->current_channel = wide_chan;
 753
 754		rtlpriv->cfg->ops->switch_channel(hw);
 755		rtlpriv->cfg->ops->set_channel_access(hw);
 756		rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
 757	}
 758
 759	mutex_unlock(&rtlpriv->locks.conf_mutex);
 760
 761	return 0;
 762}
 763
 764static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 765				    unsigned int changed_flags,
 766				    unsigned int *new_flags, u64 multicast)
 767{
 768	bool update_rcr = false;
 769	struct rtl_priv *rtlpriv = rtl_priv(hw);
 770	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 771
 772	*new_flags &= RTL_SUPPORTED_FILTERS;
 773	if (0 == changed_flags)
 774		return;
 775
 776	/*TODO: we disable broadcast now, so enable here */
 777	if (changed_flags & FIF_ALLMULTI) {
 778		if (*new_flags & FIF_ALLMULTI) {
 779			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 780			    rtlpriv->cfg->maps[MAC_RCR_AB];
 781			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 782				"Enable receive multicast frame\n");
 783		} else {
 784			mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 785					  rtlpriv->cfg->maps[MAC_RCR_AB]);
 786			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 787				"Disable receive multicast frame\n");
 788		}
 789		update_rcr = true;
 790	}
 791
 792	if (changed_flags & FIF_FCSFAIL) {
 793		if (*new_flags & FIF_FCSFAIL) {
 794			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 795			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 796				"Enable receive FCS error frame\n");
 797		} else {
 798			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 799			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 800				"Disable receive FCS error frame\n");
 801		}
 802		if (!update_rcr)
 803			update_rcr = true;
 804	}
 805
 806	/* if ssid not set to hw don't check bssid
 807	 * here just used for linked scanning, & linked
 808	 * and nolink check bssid is set in set network_type
 809	 */
 810	if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
 811	    mac->link_state >= MAC80211_LINKED) {
 812		if (mac->opmode != NL80211_IFTYPE_AP &&
 813		    mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 814			if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
 815				rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 816			else
 817				rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 818			if (update_rcr)
 819				update_rcr = false;
 820		}
 821	}
 822
 823	if (changed_flags & FIF_CONTROL) {
 824		if (*new_flags & FIF_CONTROL) {
 825			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 826
 827			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 828				"Enable receive control frame.\n");
 829		} else {
 830			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 831			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 832				"Disable receive control frame.\n");
 833		}
 834		if (!update_rcr)
 835			update_rcr = true;
 836	}
 837
 838	if (changed_flags & FIF_OTHER_BSS) {
 839		if (*new_flags & FIF_OTHER_BSS) {
 840			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 841			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 842				"Enable receive other BSS's frame.\n");
 843		} else {
 844			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 845			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 846				"Disable receive other BSS's frame.\n");
 847		}
 848		if (!update_rcr)
 849			update_rcr = true;
 850	}
 851
 852	if (update_rcr)
 853		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
 854					      (u8 *)(&mac->rx_conf));
 855}
 856
 857static int rtl_op_sta_add(struct ieee80211_hw *hw,
 858			 struct ieee80211_vif *vif,
 859			 struct ieee80211_sta *sta)
 860{
 861	struct rtl_priv *rtlpriv = rtl_priv(hw);
 862	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 863	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 864	struct rtl_sta_info *sta_entry;
 865
 866	if (sta) {
 867		sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 868		spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 869		list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 870		spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 871		if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 872			sta_entry->wireless_mode = WIRELESS_MODE_G;
 873			if (sta->deflink.supp_rates[0] <= 0xf)
 874				sta_entry->wireless_mode = WIRELESS_MODE_B;
 875			if (sta->deflink.ht_cap.ht_supported)
 876				sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 877
 878			if (vif->type == NL80211_IFTYPE_ADHOC)
 879				sta_entry->wireless_mode = WIRELESS_MODE_G;
 880		} else if (rtlhal->current_bandtype == BAND_ON_5G) {
 881			sta_entry->wireless_mode = WIRELESS_MODE_A;
 882			if (sta->deflink.ht_cap.ht_supported)
 883				sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
 884			if (sta->deflink.vht_cap.vht_supported)
 885				sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
 886
 887			if (vif->type == NL80211_IFTYPE_ADHOC)
 888				sta_entry->wireless_mode = WIRELESS_MODE_A;
 889		}
 890		/*disable cck rate for p2p*/
 891		if (mac->p2p)
 892			sta->deflink.supp_rates[0] &= 0xfffffff0;
 893
 894		memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 895		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
 896			"Add sta addr is %pM\n", sta->addr);
 897		rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
 898	}
 899
 900	return 0;
 901}
 902
 903static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 904				struct ieee80211_vif *vif,
 905				struct ieee80211_sta *sta)
 906{
 907	struct rtl_priv *rtlpriv = rtl_priv(hw);
 908	struct rtl_sta_info *sta_entry;
 909
 910	if (sta) {
 911		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
 912			"Remove sta addr is %pM\n", sta->addr);
 913		sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 914		sta_entry->wireless_mode = 0;
 915		sta_entry->ratr_index = 0;
 916		spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 917		list_del(&sta_entry->list);
 918		spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 919	}
 920	return 0;
 921}
 922
 923static int _rtl_get_hal_qnum(u16 queue)
 924{
 925	int qnum;
 926
 927	switch (queue) {
 928	case 0:
 929		qnum = AC3_VO;
 930		break;
 931	case 1:
 932		qnum = AC2_VI;
 933		break;
 934	case 2:
 935		qnum = AC0_BE;
 936		break;
 937	case 3:
 938		qnum = AC1_BK;
 939		break;
 940	default:
 941		qnum = AC0_BE;
 942		break;
 943	}
 944	return qnum;
 945}
 946
 947/*
 948 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
 949 *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
 950 */
 951static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 952			  struct ieee80211_vif *vif,
 953			  unsigned int link_id, u16 queue,
 954			  const struct ieee80211_tx_queue_params *param)
 955{
 956	struct rtl_priv *rtlpriv = rtl_priv(hw);
 957	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 958	int aci;
 959
 960	if (queue >= AC_MAX) {
 961		rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
 962			"queue number %d is incorrect!\n", queue);
 963		return -EINVAL;
 964	}
 965
 966	aci = _rtl_get_hal_qnum(queue);
 967	mac->ac[aci].aifs = param->aifs;
 968	mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
 969	mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
 970	mac->ac[aci].tx_op = cpu_to_le16(param->txop);
 971	memcpy(&mac->edca_param[aci], param, sizeof(*param));
 972	rtlpriv->cfg->ops->set_qos(hw, aci);
 973	return 0;
 974}
 975
 976static void send_beacon_frame(struct ieee80211_hw *hw,
 977			      struct ieee80211_vif *vif)
 978{
 979	struct rtl_priv *rtlpriv = rtl_priv(hw);
 980	struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0);
 981	struct rtl_tcb_desc tcb_desc;
 982
 983	if (skb) {
 984		memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 985		rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
 986	}
 987}
 988
 989void rtl_update_beacon_work_callback(struct work_struct *work)
 990{
 991	struct rtl_works *rtlworks =
 992	    container_of(work, struct rtl_works, update_beacon_work);
 993	struct ieee80211_hw *hw = rtlworks->hw;
 994	struct rtl_priv *rtlpriv = rtl_priv(hw);
 995	struct ieee80211_vif *vif = rtlpriv->mac80211.vif;
 996
 997	if (!vif) {
 998		WARN_ONCE(true, "no vif to update beacon\n");
 999		return;
1000	}
1001
1002	mutex_lock(&rtlpriv->locks.conf_mutex);
1003	send_beacon_frame(hw, vif);
1004	mutex_unlock(&rtlpriv->locks.conf_mutex);
1005}
1006EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback);
1007
1008static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1009				    struct ieee80211_vif *vif,
1010				    struct ieee80211_bss_conf *bss_conf,
1011				    u64 changed)
1012{
1013	struct rtl_priv *rtlpriv = rtl_priv(hw);
1014	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1015	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1016	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1017
1018	mutex_lock(&rtlpriv->locks.conf_mutex);
1019	if (vif->type == NL80211_IFTYPE_ADHOC ||
1020	    vif->type == NL80211_IFTYPE_AP ||
1021	    vif->type == NL80211_IFTYPE_MESH_POINT) {
1022		if (changed & BSS_CHANGED_BEACON ||
1023		    (changed & BSS_CHANGED_BEACON_ENABLED &&
1024		     bss_conf->enable_beacon)) {
1025			if (mac->beacon_enabled == 0) {
1026				rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1027					"BSS_CHANGED_BEACON_ENABLED\n");
1028
1029				/*start hw beacon interrupt. */
1030				/*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1031				mac->beacon_enabled = 1;
1032				rtlpriv->cfg->ops->update_interrupt_mask(hw,
1033						rtlpriv->cfg->maps
1034						[RTL_IBSS_INT_MASKS], 0);
1035
1036				if (rtlpriv->cfg->ops->linked_set_reg)
1037					rtlpriv->cfg->ops->linked_set_reg(hw);
1038				send_beacon_frame(hw, vif);
1039			}
1040		}
1041		if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1042		    !bss_conf->enable_beacon)) {
1043			if (mac->beacon_enabled == 1) {
1044				rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1045					"ADHOC DISABLE BEACON\n");
1046
1047				mac->beacon_enabled = 0;
1048				rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1049						rtlpriv->cfg->maps
1050						[RTL_IBSS_INT_MASKS]);
1051			}
1052		}
1053		if (changed & BSS_CHANGED_BEACON_INT) {
1054			rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE,
1055				"BSS_CHANGED_BEACON_INT\n");
1056			mac->beacon_interval = bss_conf->beacon_int;
1057			rtlpriv->cfg->ops->set_bcn_intv(hw);
1058		}
1059	}
1060
1061	/*TODO: reference to enum ieee80211_bss_change */
1062	if (changed & BSS_CHANGED_ASSOC) {
1063		u8 mstatus;
1064
1065		if (vif->cfg.assoc) {
1066			struct ieee80211_sta *sta = NULL;
1067			u8 keep_alive = 10;
1068
1069			mstatus = RT_MEDIA_CONNECT;
1070			/* we should reset all sec info & cam
1071			 * before set cam after linked, we should not
1072			 * reset in disassoc, that will cause tkip->wep
1073			 * fail because some flag will be wrong */
1074			/* reset sec info */
1075			rtl_cam_reset_sec_info(hw);
1076			/* reset cam to fix wep fail issue
1077			 * when change from wpa to wep */
1078			rtl_cam_reset_all_entry(hw);
1079
1080			mac->link_state = MAC80211_LINKED;
1081			mac->cnt_after_linked = 0;
1082			mac->assoc_id = vif->cfg.aid;
1083			memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1084
1085			if (rtlpriv->cfg->ops->linked_set_reg)
1086				rtlpriv->cfg->ops->linked_set_reg(hw);
1087
1088			rcu_read_lock();
1089			sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1090			if (!sta) {
1091				rcu_read_unlock();
1092				goto out;
1093			}
1094			rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1095				"send PS STATIC frame\n");
1096			if (rtlpriv->dm.supp_phymode_switch) {
1097				if (sta->deflink.ht_cap.ht_supported)
1098					rtl_send_smps_action(hw, sta,
1099							IEEE80211_SMPS_STATIC);
1100			}
1101
1102			if (rtlhal->current_bandtype == BAND_ON_5G) {
1103				mac->mode = WIRELESS_MODE_A;
1104			} else {
1105				if (sta->deflink.supp_rates[0] <= 0xf)
1106					mac->mode = WIRELESS_MODE_B;
1107				else
1108					mac->mode = WIRELESS_MODE_G;
1109			}
1110
1111			if (sta->deflink.ht_cap.ht_supported) {
1112				if (rtlhal->current_bandtype == BAND_ON_2_4G)
1113					mac->mode = WIRELESS_MODE_N_24G;
1114				else
1115					mac->mode = WIRELESS_MODE_N_5G;
1116			}
1117
1118			if (sta->deflink.vht_cap.vht_supported) {
1119				if (rtlhal->current_bandtype == BAND_ON_5G)
1120					mac->mode = WIRELESS_MODE_AC_5G;
1121				else
1122					mac->mode = WIRELESS_MODE_AC_24G;
1123			}
1124
1125			if (vif->type == NL80211_IFTYPE_STATION)
1126				rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1127								   true);
1128			rcu_read_unlock();
1129
1130			/* to avoid AP Disassociation caused by inactivity */
1131			rtlpriv->cfg->ops->set_hw_reg(hw,
1132						      HW_VAR_KEEP_ALIVE,
1133						      (u8 *)(&keep_alive));
1134
1135			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1136				"BSS_CHANGED_ASSOC\n");
1137		} else {
1138			struct cfg80211_bss *bss = NULL;
1139
1140			mstatus = RT_MEDIA_DISCONNECT;
1141
1142			if (mac->link_state == MAC80211_LINKED)
1143				rtl_lps_leave(hw, true);
1144			if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1145				rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1146			mac->link_state = MAC80211_NOLINK;
1147
1148			bss = cfg80211_get_bss(hw->wiphy, NULL,
1149					       (u8 *)mac->bssid, NULL, 0,
1150					       IEEE80211_BSS_TYPE_ESS,
1151					       IEEE80211_PRIVACY_OFF);
1152
1153			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1154				"bssid = %pMF\n", mac->bssid);
1155
1156			if (bss) {
1157				cfg80211_unlink_bss(hw->wiphy, bss);
1158				cfg80211_put_bss(hw->wiphy, bss);
1159				rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1160					"cfg80211_unlink !!\n");
1161			}
1162
1163			eth_zero_addr(mac->bssid);
1164			mac->vendor = PEER_UNKNOWN;
1165			mac->mode = 0;
1166
1167			rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1168				"BSS_CHANGED_UN_ASSOC\n");
1169		}
1170		rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1171		/* For FW LPS:
1172		 * To tell firmware we have connected or disconnected
1173		 */
1174		rtlpriv->cfg->ops->set_hw_reg(hw,
1175					      HW_VAR_H2C_FW_JOINBSSRPT,
1176					      (u8 *)(&mstatus));
1177		ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1178				      true : false;
1179
1180		if (rtlpriv->cfg->ops->get_btc_status())
1181			rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1182							rtlpriv, mstatus);
1183	}
1184
1185	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1186		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1187			"BSS_CHANGED_ERP_CTS_PROT\n");
1188		mac->use_cts_protect = bss_conf->use_cts_prot;
1189	}
1190
1191	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1192		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
1193			"BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1194			  bss_conf->use_short_preamble);
1195
1196		mac->short_preamble = bss_conf->use_short_preamble;
1197		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1198					      (u8 *)(&mac->short_preamble));
1199	}
1200
1201	if (changed & BSS_CHANGED_ERP_SLOT) {
1202		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1203			"BSS_CHANGED_ERP_SLOT\n");
1204
1205		if (bss_conf->use_short_slot)
1206			mac->slot_time = RTL_SLOT_TIME_9;
1207		else
1208			mac->slot_time = RTL_SLOT_TIME_20;
1209
1210		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1211					      (u8 *)(&mac->slot_time));
1212	}
1213
1214	if (changed & BSS_CHANGED_HT) {
1215		struct ieee80211_sta *sta = NULL;
1216
1217		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1218			"BSS_CHANGED_HT\n");
1219
1220		rcu_read_lock();
1221		sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1222		if (sta) {
1223			if (sta->deflink.ht_cap.ampdu_density >
1224			    mac->current_ampdu_density)
1225				mac->current_ampdu_density =
1226				    sta->deflink.ht_cap.ampdu_density;
1227			if (sta->deflink.ht_cap.ampdu_factor <
1228			    mac->current_ampdu_factor)
1229				mac->current_ampdu_factor =
1230				    sta->deflink.ht_cap.ampdu_factor;
1231		}
1232		rcu_read_unlock();
1233
1234		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1235					      (u8 *)(&mac->max_mss_density));
1236		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1237					      &mac->current_ampdu_factor);
1238		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1239					      &mac->current_ampdu_density);
1240	}
1241
1242	if (changed & BSS_CHANGED_BSSID) {
1243		u32 basic_rates;
1244		struct ieee80211_sta *sta = NULL;
1245
1246		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1247					      (u8 *)bss_conf->bssid);
1248
1249		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1250			"bssid: %pM\n", bss_conf->bssid);
1251
1252		mac->vendor = PEER_UNKNOWN;
1253		memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1254
1255		rcu_read_lock();
1256		sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1257		if (!sta) {
1258			rcu_read_unlock();
1259			goto out;
1260		}
1261
1262		if (rtlhal->current_bandtype == BAND_ON_5G) {
1263			mac->mode = WIRELESS_MODE_A;
1264		} else {
1265			if (sta->deflink.supp_rates[0] <= 0xf)
1266				mac->mode = WIRELESS_MODE_B;
1267			else
1268				mac->mode = WIRELESS_MODE_G;
1269		}
1270
1271		if (sta->deflink.ht_cap.ht_supported) {
1272			if (rtlhal->current_bandtype == BAND_ON_2_4G)
1273				mac->mode = WIRELESS_MODE_N_24G;
1274			else
1275				mac->mode = WIRELESS_MODE_N_5G;
1276		}
1277
1278		if (sta->deflink.vht_cap.vht_supported) {
1279			if (rtlhal->current_bandtype == BAND_ON_5G)
1280				mac->mode = WIRELESS_MODE_AC_5G;
1281			else
1282				mac->mode = WIRELESS_MODE_AC_24G;
1283		}
1284
1285		/* just station need it, because ibss & ap mode will
1286		 * set in sta_add, and will be NULL here */
1287		if (vif->type == NL80211_IFTYPE_STATION) {
1288			struct rtl_sta_info *sta_entry;
1289
1290			sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1291			sta_entry->wireless_mode = mac->mode;
1292		}
1293
1294		if (sta->deflink.ht_cap.ht_supported) {
1295			mac->ht_enable = true;
1296
1297			/*
1298			 * for cisco 1252 bw20 it's wrong
1299			 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1300			 *	mac->bw_40 = true;
1301			 * }
1302			 * */
1303		}
1304
1305		if (sta->deflink.vht_cap.vht_supported)
1306			mac->vht_enable = true;
1307
1308		if (changed & BSS_CHANGED_BASIC_RATES) {
1309			/* for 5G must << RATE_6M_INDEX = 4,
1310			 * because 5G have no cck rate*/
1311			if (rtlhal->current_bandtype == BAND_ON_5G)
1312				basic_rates = sta->deflink.supp_rates[1] << 4;
1313			else
1314				basic_rates = sta->deflink.supp_rates[0];
1315
1316			mac->basic_rates = basic_rates;
1317			rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1318					(u8 *)(&basic_rates));
1319		}
1320		rcu_read_unlock();
1321	}
1322out:
1323	mutex_unlock(&rtlpriv->locks.conf_mutex);
1324}
1325
1326static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1327{
1328	struct rtl_priv *rtlpriv = rtl_priv(hw);
1329	u64 tsf;
1330
1331	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1332	return tsf;
1333}
1334
1335static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1336			   struct ieee80211_vif *vif, u64 tsf)
1337{
1338	struct rtl_priv *rtlpriv = rtl_priv(hw);
1339	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1340	u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1341
1342	mac->tsf = tsf;
1343	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1344}
1345
1346static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1347{
1348	struct rtl_priv *rtlpriv = rtl_priv(hw);
1349	u8 tmp = 0;
1350
1351	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1352}
1353
1354static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1355			      struct ieee80211_vif *vif,
1356			      enum sta_notify_cmd cmd,
1357			      struct ieee80211_sta *sta)
1358{
1359	switch (cmd) {
1360	case STA_NOTIFY_SLEEP:
1361		break;
1362	case STA_NOTIFY_AWAKE:
1363		break;
1364	default:
1365		break;
1366	}
1367}
1368
1369static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1370			       struct ieee80211_vif *vif,
1371			       struct ieee80211_ampdu_params *params)
1372{
1373	struct rtl_priv *rtlpriv = rtl_priv(hw);
1374	struct ieee80211_sta *sta = params->sta;
1375	enum ieee80211_ampdu_mlme_action action = params->action;
1376	u16 tid = params->tid;
1377	u16 *ssn = &params->ssn;
1378
1379	switch (action) {
1380	case IEEE80211_AMPDU_TX_START:
1381		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1382			"IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1383		return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1384	case IEEE80211_AMPDU_TX_STOP_CONT:
1385	case IEEE80211_AMPDU_TX_STOP_FLUSH:
1386	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1387		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1388			"IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1389		return rtl_tx_agg_stop(hw, vif, sta, tid);
1390	case IEEE80211_AMPDU_TX_OPERATIONAL:
1391		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1392			"IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1393		rtl_tx_agg_oper(hw, sta, tid);
1394		break;
1395	case IEEE80211_AMPDU_RX_START:
1396		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1397			"IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1398		return rtl_rx_agg_start(hw, sta, tid);
1399	case IEEE80211_AMPDU_RX_STOP:
1400		rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1401			"IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1402		return rtl_rx_agg_stop(hw, sta, tid);
1403	default:
1404		pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1405		return -EOPNOTSUPP;
1406	}
1407	return 0;
1408}
1409
1410static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1411				 struct ieee80211_vif *vif,
1412				 const u8 *mac_addr)
1413{
1414	struct rtl_priv *rtlpriv = rtl_priv(hw);
1415	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1416
1417	rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1418	mac->act_scanning = true;
1419	if (rtlpriv->link_info.higher_busytraffic) {
1420		mac->skip_scan = true;
1421		return;
1422	}
1423
1424	if (rtlpriv->cfg->ops->get_btc_status())
1425		rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1426	else if (rtlpriv->btcoexist.btc_ops)
1427		rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1428								      1);
1429
1430	if (mac->link_state == MAC80211_LINKED) {
1431		rtl_lps_leave(hw, true);
1432		mac->link_state = MAC80211_LINKED_SCANNING;
1433	} else {
1434		rtl_ips_nic_on(hw);
1435	}
1436
1437	/* Dul mac */
1438	rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1439
1440	rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1441	rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1442}
1443
1444static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1445				    struct ieee80211_vif *vif)
1446{
1447	struct rtl_priv *rtlpriv = rtl_priv(hw);
1448	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1449
1450	rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1451	mac->act_scanning = false;
1452	mac->skip_scan = false;
1453
1454	rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1455
1456	if (rtlpriv->link_info.higher_busytraffic)
1457		return;
1458
1459	/* p2p will use 1/6/11 to scan */
1460	if (mac->n_channels == 3)
1461		mac->p2p_in_use = true;
1462	else
1463		mac->p2p_in_use = false;
1464	mac->n_channels = 0;
1465	/* Dul mac */
1466	rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1467
1468	if (mac->link_state == MAC80211_LINKED_SCANNING) {
1469		mac->link_state = MAC80211_LINKED;
1470		if (mac->opmode == NL80211_IFTYPE_STATION) {
1471			/* fix fwlps issue */
1472			rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1473		}
1474	}
1475
1476	rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1477	if (rtlpriv->cfg->ops->get_btc_status())
1478		rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1479	else if (rtlpriv->btcoexist.btc_ops)
1480		rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1481								      0);
1482}
1483
1484static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1485			  struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1486			  struct ieee80211_key_conf *key)
1487{
1488	struct rtl_priv *rtlpriv = rtl_priv(hw);
1489	u8 key_type = NO_ENCRYPTION;
1490	u8 key_idx;
1491	bool group_key = false;
1492	bool wep_only = false;
1493	int err = 0;
1494	u8 mac_addr[ETH_ALEN];
1495	u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1496
1497	rtlpriv->btcoexist.btc_info.in_4way = false;
1498
1499	if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1500		rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
1501			"not open hw encryption\n");
1502		return -ENOSPC;	/*User disabled HW-crypto */
1503	}
1504	/* To support IBSS, use sw-crypto for GTK */
1505	if ((vif->type == NL80211_IFTYPE_ADHOC ||
1506	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
1507	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1508		return -ENOSPC;
1509	rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1510		"%s hardware based encryption for keyidx: %d, mac: %pM\n",
1511		cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1512		sta ? sta->addr : bcast_addr);
1513	rtlpriv->sec.being_setkey = true;
1514	rtl_ips_nic_on(hw);
1515	mutex_lock(&rtlpriv->locks.conf_mutex);
1516	/* <1> get encryption alg */
1517
1518	switch (key->cipher) {
1519	case WLAN_CIPHER_SUITE_WEP40:
1520		key_type = WEP40_ENCRYPTION;
1521		rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1522		break;
1523	case WLAN_CIPHER_SUITE_WEP104:
1524		rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1525		key_type = WEP104_ENCRYPTION;
1526		break;
1527	case WLAN_CIPHER_SUITE_TKIP:
1528		key_type = TKIP_ENCRYPTION;
1529		rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1530		break;
1531	case WLAN_CIPHER_SUITE_CCMP:
1532		key_type = AESCCMP_ENCRYPTION;
1533		rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1534		break;
1535	case WLAN_CIPHER_SUITE_AES_CMAC:
1536		/* HW don't support CMAC encryption,
1537		 * use software CMAC encryption
1538		 */
1539		key_type = AESCMAC_ENCRYPTION;
1540		rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1541		rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1542			"HW don't support CMAC encryption, use software CMAC encryption\n");
1543		err = -EOPNOTSUPP;
1544		goto out_unlock;
1545	default:
1546		pr_err("alg_err:%x!!!!:\n", key->cipher);
1547		goto out_unlock;
1548	}
1549	if (key_type == WEP40_ENCRYPTION ||
1550	   key_type == WEP104_ENCRYPTION ||
1551	   vif->type == NL80211_IFTYPE_ADHOC)
1552		rtlpriv->sec.use_defaultkey = true;
1553
1554	/* <2> get key_idx */
1555	key_idx = (u8) (key->keyidx);
1556	if (key_idx > 3)
1557		goto out_unlock;
1558	/* <3> if pairwise key enable_hw_sec */
1559	group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1560
1561	/* wep always be group key, but there are two conditions:
1562	 * 1) wep only: is just for wep enc, in this condition
1563	 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1564	 * will be true & enable_hw_sec will be set when wep
1565	 * ke setting.
1566	 * 2) wep(group) + AES(pairwise): some AP like cisco
1567	 * may use it, in this condition enable_hw_sec will not
1568	 * be set when wep key setting */
1569	/* we must reset sec_info after lingked before set key,
1570	 * or some flag will be wrong*/
1571	if (vif->type == NL80211_IFTYPE_AP ||
1572		vif->type == NL80211_IFTYPE_MESH_POINT) {
1573		if (!group_key || key_type == WEP40_ENCRYPTION ||
1574			key_type == WEP104_ENCRYPTION) {
1575			if (group_key)
1576				wep_only = true;
1577			rtlpriv->cfg->ops->enable_hw_sec(hw);
1578		}
1579	} else {
1580		if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1581		    rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1582			if (rtlpriv->sec.pairwise_enc_algorithm ==
1583			    NO_ENCRYPTION &&
1584			   (key_type == WEP40_ENCRYPTION ||
1585			    key_type == WEP104_ENCRYPTION))
1586				wep_only = true;
1587			rtlpriv->sec.pairwise_enc_algorithm = key_type;
1588			rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1589				"set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1590				key_type);
1591			rtlpriv->cfg->ops->enable_hw_sec(hw);
1592		}
1593	}
1594	/* <4> set key based on cmd */
1595	switch (cmd) {
1596	case SET_KEY:
1597		if (wep_only) {
1598			rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1599				"set WEP(group/pairwise) key\n");
1600			/* Pairwise key with an assigned MAC address. */
1601			rtlpriv->sec.pairwise_enc_algorithm = key_type;
1602			rtlpriv->sec.group_enc_algorithm = key_type;
1603			/*set local buf about wep key. */
1604			memcpy(rtlpriv->sec.key_buf[key_idx],
1605			       key->key, key->keylen);
1606			rtlpriv->sec.key_len[key_idx] = key->keylen;
1607			eth_zero_addr(mac_addr);
1608		} else if (group_key) {	/* group key */
1609			rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1610				"set group key\n");
1611			/* group key */
1612			rtlpriv->sec.group_enc_algorithm = key_type;
1613			/*set local buf about group key. */
1614			memcpy(rtlpriv->sec.key_buf[key_idx],
1615			       key->key, key->keylen);
1616			rtlpriv->sec.key_len[key_idx] = key->keylen;
1617			eth_broadcast_addr(mac_addr);
1618		} else {	/* pairwise key */
1619			rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1620				"set pairwise key\n");
1621			if (!sta) {
1622				WARN_ONCE(true,
1623					  "rtlwifi: pairwise key without mac_addr\n");
1624
1625				err = -EOPNOTSUPP;
1626				goto out_unlock;
1627			}
1628			/* Pairwise key with an assigned MAC address. */
1629			rtlpriv->sec.pairwise_enc_algorithm = key_type;
1630			/*set local buf about pairwise key. */
1631			memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1632			       key->key, key->keylen);
1633			rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1634			rtlpriv->sec.pairwise_key =
1635			    rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1636			memcpy(mac_addr, sta->addr, ETH_ALEN);
1637		}
1638		rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1639					   group_key, key_type, wep_only,
1640					   false);
1641		/* <5> tell mac80211 do something: */
1642		/*must use sw generate IV, or can not work !!!!. */
1643		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1644		key->hw_key_idx = key_idx;
1645		if (key_type == TKIP_ENCRYPTION)
1646			key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1647		/*use software CCMP encryption for management frames (MFP) */
1648		if (key_type == AESCCMP_ENCRYPTION)
1649			key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1650		break;
1651	case DISABLE_KEY:
1652		rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1653			"disable key delete one entry\n");
1654		/*set local buf about wep key. */
1655		if (vif->type == NL80211_IFTYPE_AP ||
1656			vif->type == NL80211_IFTYPE_MESH_POINT) {
1657			if (sta)
1658				rtl_cam_del_entry(hw, sta->addr);
1659		}
1660		memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1661		rtlpriv->sec.key_len[key_idx] = 0;
1662		eth_zero_addr(mac_addr);
1663		/*
1664		 *mac80211 will delete entries one by one,
1665		 *so don't use rtl_cam_reset_all_entry
1666		 *or clear all entry here.
1667		 */
1668		rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1669
1670		rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1671		break;
1672	default:
1673		pr_err("cmd_err:%x!!!!:\n", cmd);
1674	}
1675out_unlock:
1676	mutex_unlock(&rtlpriv->locks.conf_mutex);
1677	rtlpriv->sec.being_setkey = false;
1678	return err;
1679}
1680
1681static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1682{
1683	struct rtl_priv *rtlpriv = rtl_priv(hw);
1684
1685	bool radio_state;
1686	bool blocked;
1687	u8 valid = 0;
1688
1689	if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1690		return;
1691
1692	mutex_lock(&rtlpriv->locks.conf_mutex);
1693
1694	/*if Radio On return true here */
1695	radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1696
1697	if (valid) {
1698		if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1699			rtlpriv->rfkill.rfkill_state = radio_state;
1700
1701			rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
1702				"wireless radio switch turned %s\n",
1703				radio_state ? "on" : "off");
1704
1705			blocked = !rtlpriv->rfkill.rfkill_state;
1706			wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1707		}
1708	}
1709
1710	mutex_unlock(&rtlpriv->locks.conf_mutex);
1711}
1712
1713/* this function is called by mac80211 to flush tx buffer
1714 * before switch channle or power save, or tx buffer packet
1715 * maybe send after offchannel or rf sleep, this may cause
1716 * dis-association by AP */
1717static void rtl_op_flush(struct ieee80211_hw *hw,
1718			 struct ieee80211_vif *vif,
1719			 u32 queues,
1720			 bool drop)
1721{
1722	struct rtl_priv *rtlpriv = rtl_priv(hw);
1723
1724	if (rtlpriv->intf_ops->flush)
1725		rtlpriv->intf_ops->flush(hw, queues, drop);
1726}
1727
1728static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1729			  bool set)
1730{
1731	struct rtl_priv *rtlpriv = rtl_priv(hw);
1732	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1733
1734	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU)
1735		schedule_work(&rtlpriv->works.update_beacon_work);
1736
1737	return 0;
1738}
1739
1740/*	Description:
1741 *		This routine deals with the Power Configuration CMD
1742 *		 parsing for RTL8723/RTL8188E Series IC.
1743 *	Assumption:
1744 *		We should follow specific format that was released from HW SD.
1745 */
1746bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1747			      u8 faversion, u8 interface_type,
1748			      struct wlan_pwr_cfg pwrcfgcmd[])
1749{
1750	struct wlan_pwr_cfg cfg_cmd;
1751	bool polling_bit = false;
1752	u32 ary_idx = 0;
1753	u8 value = 0;
1754	u32 offset = 0;
1755	u32 polling_count = 0;
1756	u32 max_polling_cnt = 5000;
1757
1758	do {
1759		cfg_cmd = pwrcfgcmd[ary_idx];
1760		rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1761			"%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1762			__func__,
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				rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1776					"rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1777				break;
1778			case PWR_CMD_WRITE:
1779				rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1780					"%s(): PWR_CMD_WRITE\n", __func__);
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 system register*/
1790				rtl_write_byte(rtlpriv, offset, value);
1791				break;
1792			case PWR_CMD_POLLING:
1793				rtl_dbg(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				rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1815					"%s: PWR_CMD_DELAY\n", __func__);
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				rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1824					"%s: PWR_CMD_END\n", __func__);
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}
1837EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1838
1839bool 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, 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}
1868EXPORT_SYMBOL(rtl_cmd_send_packet);
1869
1870void rtl_init_sw_leds(struct ieee80211_hw *hw)
1871{
1872	struct rtl_priv *rtlpriv = rtl_priv(hw);
1873
1874	rtlpriv->ledctl.sw_led0 = LED_PIN_LED0;
1875	rtlpriv->ledctl.sw_led1 = LED_PIN_LED1;
1876}
1877EXPORT_SYMBOL(rtl_init_sw_leds);
1878
1879const struct ieee80211_ops rtl_ops = {
1880	.add_chanctx = ieee80211_emulate_add_chanctx,
1881	.remove_chanctx = ieee80211_emulate_remove_chanctx,
1882	.change_chanctx = ieee80211_emulate_change_chanctx,
1883	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1884	.start = rtl_op_start,
1885	.stop = rtl_op_stop,
1886	.tx = rtl_op_tx,
1887	.wake_tx_queue = ieee80211_handle_wake_tx_queue,
1888	.add_interface = rtl_op_add_interface,
1889	.remove_interface = rtl_op_remove_interface,
1890	.change_interface = rtl_op_change_interface,
1891#ifdef CONFIG_PM
1892	.suspend = rtl_op_suspend,
1893	.resume = rtl_op_resume,
1894#endif
1895	.config = rtl_op_config,
1896	.configure_filter = rtl_op_configure_filter,
1897	.set_key = rtl_op_set_key,
1898	.conf_tx = rtl_op_conf_tx,
1899	.bss_info_changed = rtl_op_bss_info_changed,
1900	.get_tsf = rtl_op_get_tsf,
1901	.set_tsf = rtl_op_set_tsf,
1902	.reset_tsf = rtl_op_reset_tsf,
1903	.sta_notify = rtl_op_sta_notify,
1904	.ampdu_action = rtl_op_ampdu_action,
1905	.sw_scan_start = rtl_op_sw_scan_start,
1906	.sw_scan_complete = rtl_op_sw_scan_complete,
1907	.rfkill_poll = rtl_op_rfkill_poll,
1908	.sta_add = rtl_op_sta_add,
1909	.sta_remove = rtl_op_sta_remove,
1910	.flush = rtl_op_flush,
1911	.set_tim = rtl_op_set_tim,
1912};
1913EXPORT_SYMBOL_GPL(rtl_ops);
1914
1915bool rtl_btc_status_false(void)
1916{
1917	return false;
1918}
1919EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1920
1921void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1922{
1923	struct rtl_priv *rtlpriv = rtl_priv(hw);
1924	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1925
1926	dm_digtable->dig_enable_flag = true;
1927	dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1928	dm_digtable->cur_igvalue = cur_igvalue;
1929	dm_digtable->pre_igvalue = 0;
1930	dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1931	dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1932	dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1933	dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1934	dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1935	dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1936	dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1937	dm_digtable->rx_gain_max = DM_DIG_MAX;
1938	dm_digtable->rx_gain_min = DM_DIG_MIN;
1939	dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1940	dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1941	dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1942	dm_digtable->pre_cck_cca_thres = 0xff;
1943	dm_digtable->cur_cck_cca_thres = 0x83;
1944	dm_digtable->forbidden_igi = DM_DIG_MIN;
1945	dm_digtable->large_fa_hit = 0;
1946	dm_digtable->recover_cnt = 0;
1947	dm_digtable->dig_min_0 = 0x25;
1948	dm_digtable->dig_min_1 = 0x25;
1949	dm_digtable->media_connect_0 = false;
1950	dm_digtable->media_connect_1 = false;
1951	rtlpriv->dm.dm_initialgain_enable = true;
1952	dm_digtable->bt30_cur_igi = 0x32;
1953	dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1954	dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1955	dm_digtable->pre_cck_fa_state = 0;
1956	dm_digtable->cur_cck_fa_state = 0;
1957}
1958EXPORT_SYMBOL(rtl_dm_diginit);