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