1 /******************************************************************************
3 * Copyright(c) 2009-2012 Realtek Corporation.
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.
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
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
22 * Larry Finger <Larry.Finger@lwfinger.net>
24 *****************************************************************************/
31 #include "pwrseqcmd.h"
33 #include "btcoexist/rtl_btc.h"
34 #include <linux/firmware.h>
35 #include <linux/export.h>
36 #include <net/cfg80211.h>
38 void rtl_addr_delay(u32 addr)
42 else if (addr == 0xfd)
44 else if (addr == 0xfc)
46 else if (addr == 0xfb)
48 else if (addr == 0xfa)
50 else if (addr == 0xf9)
53 EXPORT_SYMBOL(rtl_addr_delay);
55 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
60 } else if (addr == 0xfd) {
62 } else if (addr == 0xfc) {
64 } else if (addr == 0xfb) {
66 } else if (addr == 0xfa) {
68 } else if (addr == 0xf9) {
71 rtl_set_rfreg(hw, rfpath, addr, mask, data);
75 EXPORT_SYMBOL(rtl_rfreg_delay);
77 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
81 } else if (addr == 0xfd) {
83 } else if (addr == 0xfc) {
85 } else if (addr == 0xfb) {
87 } else if (addr == 0xfa) {
89 } else if (addr == 0xf9) {
92 rtl_set_bbreg(hw, addr, MASKDWORD, data);
96 EXPORT_SYMBOL(rtl_bb_delay);
98 static void rtl_fw_do_work(const struct firmware *firmware, void *context,
101 struct ieee80211_hw *hw = context;
102 struct rtl_priv *rtlpriv = rtl_priv(hw);
105 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
106 "Firmware callback routine entered!\n");
107 complete(&rtlpriv->firmware_loading_complete);
109 if (rtlpriv->cfg->alt_fw_name) {
110 err = request_firmware(&firmware,
111 rtlpriv->cfg->alt_fw_name,
113 pr_info("Loading alternative firmware %s\n",
114 rtlpriv->cfg->alt_fw_name);
118 pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
119 rtlpriv->max_fw_size = 0;
123 if (firmware->size > rtlpriv->max_fw_size) {
124 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
125 "Firmware is too big!\n");
126 release_firmware(firmware);
130 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
132 rtlpriv->rtlhal.fwsize = firmware->size;
134 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
136 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
138 rtlpriv->rtlhal.fwsize = firmware->size;
139 release_firmware(firmware);
142 void rtl_fw_cb(const struct firmware *firmware, void *context)
144 rtl_fw_do_work(firmware, context, false);
146 EXPORT_SYMBOL(rtl_fw_cb);
148 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
150 rtl_fw_do_work(firmware, context, true);
152 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
154 /*mutex for start & stop is must here. */
155 static int rtl_op_start(struct ieee80211_hw *hw)
158 struct rtl_priv *rtlpriv = rtl_priv(hw);
159 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
161 if (!is_hal_stop(rtlhal))
163 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
165 mutex_lock(&rtlpriv->locks.conf_mutex);
166 err = rtlpriv->intf_ops->adapter_start(hw);
168 rtl_watch_dog_timer_callback((unsigned long)hw);
169 mutex_unlock(&rtlpriv->locks.conf_mutex);
173 static void rtl_op_stop(struct ieee80211_hw *hw)
175 struct rtl_priv *rtlpriv = rtl_priv(hw);
176 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
177 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
178 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
179 bool support_remote_wakeup = false;
181 if (is_hal_stop(rtlhal))
184 rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
185 (u8 *)(&support_remote_wakeup));
186 /* here is must, because adhoc do stop and start,
187 * but stop with RFOFF may cause something wrong,
190 if (unlikely(ppsc->rfpwr_state == ERFOFF))
193 mutex_lock(&rtlpriv->locks.conf_mutex);
194 /* if wowlan supported, DON'T clear connected info */
195 if (!(support_remote_wakeup &&
196 rtlhal->enter_pnp_sleep)) {
197 mac->link_state = MAC80211_NOLINK;
198 memset(mac->bssid, 0, 6);
199 mac->vendor = PEER_UNKNOWN;
202 rtl_cam_reset_sec_info(hw);
204 rtl_deinit_deferred_work(hw);
206 rtlpriv->intf_ops->adapter_stop(hw);
208 mutex_unlock(&rtlpriv->locks.conf_mutex);
211 static void rtl_op_tx(struct ieee80211_hw *hw,
212 struct ieee80211_tx_control *control,
215 struct rtl_priv *rtlpriv = rtl_priv(hw);
216 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
217 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
218 struct rtl_tcb_desc tcb_desc;
219 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
221 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
224 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
227 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
228 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
232 dev_kfree_skb_any(skb);
235 static int rtl_op_add_interface(struct ieee80211_hw *hw,
236 struct ieee80211_vif *vif)
238 struct rtl_priv *rtlpriv = rtl_priv(hw);
239 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
243 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
244 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
248 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
252 mutex_lock(&rtlpriv->locks.conf_mutex);
253 switch (ieee80211_vif_type_p2p(vif)) {
254 case NL80211_IFTYPE_P2P_CLIENT:
255 mac->p2p = P2P_ROLE_CLIENT;
257 case NL80211_IFTYPE_STATION:
258 if (mac->beacon_enabled == 1) {
259 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
260 "NL80211_IFTYPE_STATION\n");
261 mac->beacon_enabled = 0;
262 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
263 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
266 case NL80211_IFTYPE_ADHOC:
267 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
268 "NL80211_IFTYPE_ADHOC\n");
270 mac->link_state = MAC80211_LINKED;
271 rtlpriv->cfg->ops->set_bcn_reg(hw);
272 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
273 mac->basic_rates = 0xfff;
275 mac->basic_rates = 0xff0;
276 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
277 (u8 *)(&mac->basic_rates));
280 case NL80211_IFTYPE_P2P_GO:
281 mac->p2p = P2P_ROLE_GO;
283 case NL80211_IFTYPE_AP:
284 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
285 "NL80211_IFTYPE_AP\n");
287 mac->link_state = MAC80211_LINKED;
288 rtlpriv->cfg->ops->set_bcn_reg(hw);
289 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
290 mac->basic_rates = 0xfff;
292 mac->basic_rates = 0xff0;
293 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
294 (u8 *)(&mac->basic_rates));
296 case NL80211_IFTYPE_MESH_POINT:
297 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
298 "NL80211_IFTYPE_MESH_POINT\n");
300 mac->link_state = MAC80211_LINKED;
301 rtlpriv->cfg->ops->set_bcn_reg(hw);
302 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
303 mac->basic_rates = 0xfff;
305 mac->basic_rates = 0xff0;
306 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
307 (u8 *)(&mac->basic_rates));
310 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
311 "operation mode %d is not support!\n", vif->type);
317 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
318 "p2p role %x\n", vif->type);
319 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
320 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
321 (u8 *)(&mac->basic_rates));
324 mac->opmode = vif->type;
325 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
326 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
327 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
330 mutex_unlock(&rtlpriv->locks.conf_mutex);
334 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
335 struct ieee80211_vif *vif)
337 struct rtl_priv *rtlpriv = rtl_priv(hw);
338 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
340 mutex_lock(&rtlpriv->locks.conf_mutex);
342 /* Free beacon resources */
343 if ((vif->type == NL80211_IFTYPE_AP) ||
344 (vif->type == NL80211_IFTYPE_ADHOC) ||
345 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
346 if (mac->beacon_enabled == 1) {
347 mac->beacon_enabled = 0;
348 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
349 rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
354 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
355 *NO LINK for our hardware.
359 mac->link_state = MAC80211_NOLINK;
360 memset(mac->bssid, 0, ETH_ALEN);
361 mac->vendor = PEER_UNKNOWN;
362 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
363 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
365 mutex_unlock(&rtlpriv->locks.conf_mutex);
367 static int rtl_op_change_interface(struct ieee80211_hw *hw,
368 struct ieee80211_vif *vif,
369 enum nl80211_iftype new_type, bool p2p)
371 struct rtl_priv *rtlpriv = rtl_priv(hw);
373 rtl_op_remove_interface(hw, vif);
375 vif->type = new_type;
377 ret = rtl_op_add_interface(hw, vif);
378 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
384 static u16 crc16_ccitt(u8 data, u16 crc)
386 u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
390 for (i = 0; i < 8; i++) {
391 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
392 data_bit = (data & (BIT(0) << i) ? 1 : 0);
393 shift_in = crc_bit15 ^ data_bit;
401 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
403 result &= (~BIT(12));
407 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
419 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
424 for (i = 0; i < len; i++)
425 crc = crc16_ccitt(pattern[i], crc);
432 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
433 struct cfg80211_wowlan *wow)
435 struct rtl_priv *rtlpriv = rtl_priv(hw);
436 struct rtl_mac *mac = &rtlpriv->mac80211;
437 struct cfg80211_pkt_pattern *patterns = wow->patterns;
438 struct rtl_wow_pattern rtl_pattern;
439 const u8 *pattern_os, *mask_os;
440 u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
441 u8 content[MAX_WOL_PATTERN_SIZE] = {0};
442 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
443 u8 multicast_addr1[2] = {0x33, 0x33};
444 u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
448 for (i = 0; i < wow->n_patterns; i++) {
449 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
450 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
451 if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
452 RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
453 "Pattern[%d] is too long\n", i);
456 pattern_os = patterns[i].pattern;
457 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
458 mask_os = patterns[i].mask;
459 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
460 "pattern content\n", pattern_os,
461 patterns[i].pattern_len);
462 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
463 "mask content\n", mask_os, mask_len);
464 /* 1. unicast? multicast? or broadcast? */
465 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
466 rtl_pattern.type = BROADCAST_PATTERN;
467 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
468 memcmp(pattern_os, multicast_addr2, 3) == 0)
469 rtl_pattern.type = MULTICAST_PATTERN;
470 else if (memcmp(pattern_os, mac->mac_addr, 6) == 0)
471 rtl_pattern.type = UNICAST_PATTERN;
473 rtl_pattern.type = UNKNOWN_TYPE;
475 /* 2. translate mask_from_os to mask_for_hw */
477 /******************************************************************************
478 * pattern from OS uses 'ethenet frame', like this:
480 | 6 | 6 | 2 | 20 | Variable | 4 |
481 |--------+--------+------+-----------+------------+-----|
482 | 802.3 Mac Header | IP Header | TCP Packet | FCS |
485 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
487 | 24 or 30 | 6 | 2 | 20 | Variable | 4 |
488 |-------------------+--------+------+-----------+------------+-----|
489 | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS |
492 * Therefore, we need translate mask_from_OS to mask_to_hw.
493 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
494 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
495 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
496 ******************************************************************************/
499 for (j = 0; j < mask_len - 1; j++) {
500 mask[j] = mask_os[j] >> 6;
501 mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
503 mask[j] = (mask_os[j] >> 6) & 0x3F;
504 /* Set bit 0-5 to zero */
507 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
508 "mask to hw\n", mask, mask_len);
509 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
510 rtl_pattern.mask[j] = mask[j * 4];
511 rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
512 rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
513 rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
516 /* To get the wake up pattern from the mask.
517 * We do not count first 12 bits which means
518 * DA[6] and SA[6] in the pattern to match HW design.
521 for (j = 12; j < patterns[i].pattern_len; j++) {
522 if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
523 content[len] = pattern_os[j];
528 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
529 "pattern to hw\n", content, len);
530 /* 3. calculate crc */
531 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
532 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
533 "CRC_Remainder = 0x%x", rtl_pattern.crc);
535 /* 4. write crc & mask_for_hw to hw */
536 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
538 rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
541 static int rtl_op_suspend(struct ieee80211_hw *hw,
542 struct cfg80211_wowlan *wow)
544 struct rtl_priv *rtlpriv = rtl_priv(hw);
545 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
546 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
549 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
553 /* to resolve s4 can not wake up*/
554 do_gettimeofday(&ts);
555 rtlhal->last_suspend_sec = ts.tv_sec;
557 if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
558 _rtl_add_wowlan_patterns(hw, wow);
560 rtlhal->driver_is_goingto_unload = true;
561 rtlhal->enter_pnp_sleep = true;
565 device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
569 static int rtl_op_resume(struct ieee80211_hw *hw)
571 struct rtl_priv *rtlpriv = rtl_priv(hw);
572 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
573 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
576 RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
577 rtlhal->driver_is_goingto_unload = false;
578 rtlhal->enter_pnp_sleep = false;
579 rtlhal->wake_from_pnp_sleep = true;
581 /* to resovle s4 can not wake up*/
582 do_gettimeofday(&ts);
583 if (ts.tv_sec - rtlhal->last_suspend_sec < 5)
587 device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
588 ieee80211_resume_disconnect(mac->vif);
589 rtlhal->wake_from_pnp_sleep = false;
594 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
596 struct rtl_priv *rtlpriv = rtl_priv(hw);
597 struct rtl_phy *rtlphy = &(rtlpriv->phy);
598 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
599 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
600 struct ieee80211_conf *conf = &hw->conf;
605 mutex_lock(&rtlpriv->locks.conf_mutex);
606 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /* BIT(2)*/
607 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
608 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
612 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
613 if (hw->conf.flags & IEEE80211_CONF_IDLE)
619 *although rfoff may not cause by ips, but we will
620 *check the reason in set_rf_power_state function
622 if (unlikely(ppsc->rfpwr_state == ERFOFF))
627 if (changed & IEEE80211_CONF_CHANGE_PS) {
628 cancel_delayed_work(&rtlpriv->works.ps_work);
629 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
630 if (conf->flags & IEEE80211_CONF_PS) {
631 rtlpriv->psc.sw_ps_enabled = true;
632 /* sleep here is must, or we may recv the beacon and
633 * cause mac80211 into wrong ps state, this will cause
634 * power save nullfunc send fail, and further cause
635 * pkt loss, So sleep must quickly but not immediatly
636 * because that will cause nullfunc send by mac80211
637 * fail, and cause pkt loss, we have tested that 5mA
638 * is worked very well */
639 if (!rtlpriv->psc.multi_buffered)
640 queue_delayed_work(rtlpriv->works.rtl_wq,
641 &rtlpriv->works.ps_work,
644 rtl_swlps_rf_awake(hw);
645 rtlpriv->psc.sw_ps_enabled = false;
649 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
650 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
651 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
652 hw->conf.long_frame_max_tx_count);
653 mac->retry_long = hw->conf.long_frame_max_tx_count;
654 mac->retry_short = hw->conf.long_frame_max_tx_count;
655 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
656 (u8 *)(&hw->conf.long_frame_max_tx_count));
659 if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
660 !rtlpriv->proximity.proxim_on) {
661 struct ieee80211_channel *channel = hw->conf.chandef.chan;
662 enum nl80211_chan_width width = hw->conf.chandef.width;
663 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
664 u8 wide_chan = (u8) channel->hw_value;
666 /* channel_type is for 20&40M */
667 if (width < NL80211_CHAN_WIDTH_80)
669 cfg80211_get_chandef_type(&hw->conf.chandef);
670 if (mac->act_scanning)
673 if (rtlpriv->dm.supp_phymode_switch &&
674 mac->link_state < MAC80211_LINKED &&
675 !mac->act_scanning) {
676 if (rtlpriv->cfg->ops->chk_switch_dmdp)
677 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
681 *because we should back channel to
682 *current_network.chan in in scanning,
683 *So if set_chan == current_network.chan
685 *because mac80211 tell us wrong bw40
686 *info for cisco1253 bw20, so we modify
687 *it here based on UPPER & LOWER
690 if (width >= NL80211_CHAN_WIDTH_80) {
691 if (width == NL80211_CHAN_WIDTH_80) {
692 u32 center = hw->conf.chandef.center_freq1;
694 (u32)hw->conf.chandef.chan->center_freq;
696 rtlphy->current_chan_bw =
700 if (center > primary) {
701 mac->cur_80_prime_sc =
702 PRIME_CHNL_OFFSET_LOWER;
703 if (center - primary == 10) {
704 mac->cur_40_prime_sc =
705 PRIME_CHNL_OFFSET_UPPER;
708 } else if (center - primary == 30) {
709 mac->cur_40_prime_sc =
710 PRIME_CHNL_OFFSET_LOWER;
715 mac->cur_80_prime_sc =
716 PRIME_CHNL_OFFSET_UPPER;
717 if (primary - center == 10) {
718 mac->cur_40_prime_sc =
719 PRIME_CHNL_OFFSET_LOWER;
722 } else if (primary - center == 30) {
723 mac->cur_40_prime_sc =
724 PRIME_CHNL_OFFSET_UPPER;
731 switch (channel_type) {
732 case NL80211_CHAN_HT20:
733 case NL80211_CHAN_NO_HT:
735 mac->cur_40_prime_sc =
736 PRIME_CHNL_OFFSET_DONT_CARE;
737 rtlphy->current_chan_bw =
742 case NL80211_CHAN_HT40MINUS:
744 mac->cur_40_prime_sc =
745 PRIME_CHNL_OFFSET_UPPER;
746 rtlphy->current_chan_bw =
747 HT_CHANNEL_WIDTH_20_40;
755 case NL80211_CHAN_HT40PLUS:
757 mac->cur_40_prime_sc =
758 PRIME_CHNL_OFFSET_LOWER;
759 rtlphy->current_chan_bw =
760 HT_CHANNEL_WIDTH_20_40;
771 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
772 "switch case not processed\n");
780 /* In scanning, when before we offchannel we may send a ps=1
781 * null to AP, and then we may send a ps = 0 null to AP quickly,
782 * but first null may have caused AP to put lots of packet to
783 * hw tx buffer. These packets must be tx'd before we go off
784 * channel so we must delay more time to let AP flush these
785 * packets before going offchannel, or dis-association or
786 * delete BA will be caused by AP
788 if (rtlpriv->mac80211.offchan_delay) {
789 rtlpriv->mac80211.offchan_delay = false;
793 rtlphy->current_channel = wide_chan;
795 rtlpriv->cfg->ops->switch_channel(hw);
796 rtlpriv->cfg->ops->set_channel_access(hw);
797 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
800 mutex_unlock(&rtlpriv->locks.conf_mutex);
805 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
806 unsigned int changed_flags,
807 unsigned int *new_flags, u64 multicast)
809 bool update_rcr = false;
810 struct rtl_priv *rtlpriv = rtl_priv(hw);
811 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
813 *new_flags &= RTL_SUPPORTED_FILTERS;
814 if (0 == changed_flags)
817 /*TODO: we disable broadcase now, so enable here */
818 if (changed_flags & FIF_ALLMULTI) {
819 if (*new_flags & FIF_ALLMULTI) {
820 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
821 rtlpriv->cfg->maps[MAC_RCR_AB];
822 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
823 "Enable receive multicast frame\n");
825 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
826 rtlpriv->cfg->maps[MAC_RCR_AB]);
827 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
828 "Disable receive multicast frame\n");
833 if (changed_flags & FIF_FCSFAIL) {
834 if (*new_flags & FIF_FCSFAIL) {
835 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
836 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
837 "Enable receive FCS error frame\n");
839 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
840 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
841 "Disable receive FCS error frame\n");
847 /* if ssid not set to hw don't check bssid
848 * here just used for linked scanning, & linked
849 * and nolink check bssid is set in set network_type
851 if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
852 (mac->link_state >= MAC80211_LINKED)) {
853 if (mac->opmode != NL80211_IFTYPE_AP &&
854 mac->opmode != NL80211_IFTYPE_MESH_POINT) {
855 if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
856 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
858 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
864 if (changed_flags & FIF_CONTROL) {
865 if (*new_flags & FIF_CONTROL) {
866 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
868 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
869 "Enable receive control frame.\n");
871 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
872 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
873 "Disable receive control frame.\n");
879 if (changed_flags & FIF_OTHER_BSS) {
880 if (*new_flags & FIF_OTHER_BSS) {
881 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
882 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
883 "Enable receive other BSS's frame.\n");
885 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
886 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
887 "Disable receive other BSS's frame.\n");
894 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
895 (u8 *)(&mac->rx_conf));
897 static int rtl_op_sta_add(struct ieee80211_hw *hw,
898 struct ieee80211_vif *vif,
899 struct ieee80211_sta *sta)
901 struct rtl_priv *rtlpriv = rtl_priv(hw);
902 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
903 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
904 struct rtl_sta_info *sta_entry;
907 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
908 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
909 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
910 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
911 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
912 sta_entry->wireless_mode = WIRELESS_MODE_G;
913 if (sta->supp_rates[0] <= 0xf)
914 sta_entry->wireless_mode = WIRELESS_MODE_B;
915 if (sta->ht_cap.ht_supported)
916 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
918 if (vif->type == NL80211_IFTYPE_ADHOC)
919 sta_entry->wireless_mode = WIRELESS_MODE_G;
920 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
921 sta_entry->wireless_mode = WIRELESS_MODE_A;
922 if (sta->ht_cap.ht_supported)
923 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
924 if (sta->vht_cap.vht_supported)
925 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
927 if (vif->type == NL80211_IFTYPE_ADHOC)
928 sta_entry->wireless_mode = WIRELESS_MODE_A;
930 /*disable cck rate for p2p*/
932 sta->supp_rates[0] &= 0xfffffff0;
934 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
935 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
936 "Add sta addr is %pM\n", sta->addr);
937 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
943 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
944 struct ieee80211_vif *vif,
945 struct ieee80211_sta *sta)
947 struct rtl_priv *rtlpriv = rtl_priv(hw);
948 struct rtl_sta_info *sta_entry;
950 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
951 "Remove sta addr is %pM\n", sta->addr);
952 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
953 sta_entry->wireless_mode = 0;
954 sta_entry->ratr_index = 0;
955 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
956 list_del(&sta_entry->list);
957 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
961 static int _rtl_get_hal_qnum(u16 queue)
986 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
987 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3
989 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
990 struct ieee80211_vif *vif, u16 queue,
991 const struct ieee80211_tx_queue_params *param)
993 struct rtl_priv *rtlpriv = rtl_priv(hw);
994 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
997 if (queue >= AC_MAX) {
998 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
999 "queue number %d is incorrect!\n", queue);
1003 aci = _rtl_get_hal_qnum(queue);
1004 mac->ac[aci].aifs = param->aifs;
1005 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1006 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1007 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1008 memcpy(&mac->edca_param[aci], param, sizeof(*param));
1009 rtlpriv->cfg->ops->set_qos(hw, aci);
1013 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1014 struct ieee80211_vif *vif,
1015 struct ieee80211_bss_conf *bss_conf,
1018 struct rtl_priv *rtlpriv = rtl_priv(hw);
1019 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1020 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1021 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1023 mutex_lock(&rtlpriv->locks.conf_mutex);
1024 if ((vif->type == NL80211_IFTYPE_ADHOC) ||
1025 (vif->type == NL80211_IFTYPE_AP) ||
1026 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
1027 if ((changed & BSS_CHANGED_BEACON) ||
1028 (changed & BSS_CHANGED_BEACON_ENABLED &&
1029 bss_conf->enable_beacon)) {
1030 if (mac->beacon_enabled == 0) {
1031 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1032 "BSS_CHANGED_BEACON_ENABLED\n");
1034 /*start hw beacon interrupt. */
1035 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1036 mac->beacon_enabled = 1;
1037 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1039 [RTL_IBSS_INT_MASKS], 0);
1041 if (rtlpriv->cfg->ops->linked_set_reg)
1042 rtlpriv->cfg->ops->linked_set_reg(hw);
1045 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1046 !bss_conf->enable_beacon)) {
1047 if (mac->beacon_enabled == 1) {
1048 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1049 "ADHOC DISABLE BEACON\n");
1051 mac->beacon_enabled = 0;
1052 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1054 [RTL_IBSS_INT_MASKS]);
1057 if (changed & BSS_CHANGED_BEACON_INT) {
1058 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1059 "BSS_CHANGED_BEACON_INT\n");
1060 mac->beacon_interval = bss_conf->beacon_int;
1061 rtlpriv->cfg->ops->set_bcn_intv(hw);
1065 /*TODO: reference to enum ieee80211_bss_change */
1066 if (changed & BSS_CHANGED_ASSOC) {
1068 if (bss_conf->assoc) {
1069 struct ieee80211_sta *sta = NULL;
1072 mstatus = RT_MEDIA_CONNECT;
1073 /* we should reset all sec info & cam
1074 * before set cam after linked, we should not
1075 * reset in disassoc, that will cause tkip->wep
1076 * fail because some flag will be wrong */
1077 /* reset sec info */
1078 rtl_cam_reset_sec_info(hw);
1079 /* reset cam to fix wep fail issue
1080 * when change from wpa to wep */
1081 rtl_cam_reset_all_entry(hw);
1083 mac->link_state = MAC80211_LINKED;
1084 mac->cnt_after_linked = 0;
1085 mac->assoc_id = bss_conf->aid;
1086 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1088 if (rtlpriv->cfg->ops->linked_set_reg)
1089 rtlpriv->cfg->ops->linked_set_reg(hw);
1092 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1097 RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1098 "send PS STATIC frame\n");
1099 if (rtlpriv->dm.supp_phymode_switch) {
1100 if (sta->ht_cap.ht_supported)
1101 rtl_send_smps_action(hw, sta,
1102 IEEE80211_SMPS_STATIC);
1105 if (rtlhal->current_bandtype == BAND_ON_5G) {
1106 mac->mode = WIRELESS_MODE_A;
1108 if (sta->supp_rates[0] <= 0xf)
1109 mac->mode = WIRELESS_MODE_B;
1111 mac->mode = WIRELESS_MODE_G;
1114 if (sta->ht_cap.ht_supported) {
1115 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1116 mac->mode = WIRELESS_MODE_N_24G;
1118 mac->mode = WIRELESS_MODE_N_5G;
1121 if (sta->vht_cap.vht_supported) {
1122 if (rtlhal->current_bandtype == BAND_ON_5G)
1123 mac->mode = WIRELESS_MODE_AC_5G;
1125 mac->mode = WIRELESS_MODE_AC_24G;
1128 if (vif->type == NL80211_IFTYPE_STATION && sta)
1129 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
1132 /* to avoid AP Disassociation caused by inactivity */
1133 rtlpriv->cfg->ops->set_hw_reg(hw,
1135 (u8 *)(&keep_alive));
1137 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1138 "BSS_CHANGED_ASSOC\n");
1140 mstatus = RT_MEDIA_DISCONNECT;
1142 if (mac->link_state == MAC80211_LINKED) {
1143 rtlpriv->enter_ps = false;
1144 schedule_work(&rtlpriv->works.lps_change_work);
1146 if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1147 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1148 mac->link_state = MAC80211_NOLINK;
1149 memset(mac->bssid, 0, ETH_ALEN);
1150 mac->vendor = PEER_UNKNOWN;
1153 if (rtlpriv->dm.supp_phymode_switch) {
1154 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1155 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1157 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1158 "BSS_CHANGED_UN_ASSOC\n");
1160 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1162 * To tell firmware we have connected or disconnected
1164 rtlpriv->cfg->ops->set_hw_reg(hw,
1165 HW_VAR_H2C_FW_JOINBSSRPT,
1167 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1170 if (rtlpriv->cfg->ops->get_btc_status())
1171 rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1175 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1176 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1177 "BSS_CHANGED_ERP_CTS_PROT\n");
1178 mac->use_cts_protect = bss_conf->use_cts_prot;
1181 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1182 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1183 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1184 bss_conf->use_short_preamble);
1186 mac->short_preamble = bss_conf->use_short_preamble;
1187 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1188 (u8 *)(&mac->short_preamble));
1191 if (changed & BSS_CHANGED_ERP_SLOT) {
1192 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1193 "BSS_CHANGED_ERP_SLOT\n");
1195 if (bss_conf->use_short_slot)
1196 mac->slot_time = RTL_SLOT_TIME_9;
1198 mac->slot_time = RTL_SLOT_TIME_20;
1200 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1201 (u8 *)(&mac->slot_time));
1204 if (changed & BSS_CHANGED_HT) {
1205 struct ieee80211_sta *sta = NULL;
1207 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1208 "BSS_CHANGED_HT\n");
1211 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1213 if (sta->ht_cap.ampdu_density >
1214 mac->current_ampdu_density)
1215 mac->current_ampdu_density =
1216 sta->ht_cap.ampdu_density;
1217 if (sta->ht_cap.ampdu_factor <
1218 mac->current_ampdu_factor)
1219 mac->current_ampdu_factor =
1220 sta->ht_cap.ampdu_factor;
1224 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1225 (u8 *)(&mac->max_mss_density));
1226 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1227 &mac->current_ampdu_factor);
1228 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1229 &mac->current_ampdu_density);
1232 if (changed & BSS_CHANGED_BSSID) {
1234 struct ieee80211_sta *sta = NULL;
1236 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1237 (u8 *)bss_conf->bssid);
1239 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1240 "bssid: %pM\n", bss_conf->bssid);
1242 mac->vendor = PEER_UNKNOWN;
1243 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1246 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1252 if (rtlhal->current_bandtype == BAND_ON_5G) {
1253 mac->mode = WIRELESS_MODE_A;
1255 if (sta->supp_rates[0] <= 0xf)
1256 mac->mode = WIRELESS_MODE_B;
1258 mac->mode = WIRELESS_MODE_G;
1261 if (sta->ht_cap.ht_supported) {
1262 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1263 mac->mode = WIRELESS_MODE_N_24G;
1265 mac->mode = WIRELESS_MODE_N_5G;
1268 if (sta->vht_cap.vht_supported) {
1269 if (rtlhal->current_bandtype == BAND_ON_5G)
1270 mac->mode = WIRELESS_MODE_AC_5G;
1272 mac->mode = WIRELESS_MODE_AC_24G;
1275 /* just station need it, because ibss & ap mode will
1276 * set in sta_add, and will be NULL here */
1277 if (vif->type == NL80211_IFTYPE_STATION) {
1278 struct rtl_sta_info *sta_entry;
1279 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1280 sta_entry->wireless_mode = mac->mode;
1283 if (sta->ht_cap.ht_supported) {
1284 mac->ht_enable = true;
1287 * for cisco 1252 bw20 it's wrong
1288 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1289 * mac->bw_40 = true;
1294 if (sta->vht_cap.vht_supported)
1295 mac->vht_enable = true;
1297 if (changed & BSS_CHANGED_BASIC_RATES) {
1298 /* for 5G must << RATE_6M_INDEX = 4,
1299 * because 5G have no cck rate*/
1300 if (rtlhal->current_bandtype == BAND_ON_5G)
1301 basic_rates = sta->supp_rates[1] << 4;
1303 basic_rates = sta->supp_rates[0];
1305 mac->basic_rates = basic_rates;
1306 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1307 (u8 *)(&basic_rates));
1312 mutex_unlock(&rtlpriv->locks.conf_mutex);
1315 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1317 struct rtl_priv *rtlpriv = rtl_priv(hw);
1320 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1324 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1325 struct ieee80211_vif *vif, u64 tsf)
1327 struct rtl_priv *rtlpriv = rtl_priv(hw);
1328 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1329 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1332 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1335 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1337 struct rtl_priv *rtlpriv = rtl_priv(hw);
1340 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1343 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1344 struct ieee80211_vif *vif,
1345 enum sta_notify_cmd cmd,
1346 struct ieee80211_sta *sta)
1349 case STA_NOTIFY_SLEEP:
1351 case STA_NOTIFY_AWAKE:
1358 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1359 struct ieee80211_vif *vif,
1360 enum ieee80211_ampdu_mlme_action action,
1361 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
1364 struct rtl_priv *rtlpriv = rtl_priv(hw);
1367 case IEEE80211_AMPDU_TX_START:
1368 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1369 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1370 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1371 case IEEE80211_AMPDU_TX_STOP_CONT:
1372 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1373 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1374 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1375 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1376 return rtl_tx_agg_stop(hw, vif, sta, tid);
1377 case IEEE80211_AMPDU_TX_OPERATIONAL:
1378 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1379 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1380 rtl_tx_agg_oper(hw, sta, tid);
1382 case IEEE80211_AMPDU_RX_START:
1383 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1384 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1385 return rtl_rx_agg_start(hw, sta, tid);
1386 case IEEE80211_AMPDU_RX_STOP:
1387 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1388 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1389 return rtl_rx_agg_stop(hw, sta, tid);
1391 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1392 "IEEE80211_AMPDU_ERR!!!!:\n");
1398 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1399 struct ieee80211_vif *vif,
1402 struct rtl_priv *rtlpriv = rtl_priv(hw);
1403 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1405 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1406 mac->act_scanning = true;
1407 if (rtlpriv->link_info.higher_busytraffic) {
1408 mac->skip_scan = true;
1412 if (rtlpriv->cfg->ops->get_btc_status())
1413 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1415 if (rtlpriv->dm.supp_phymode_switch) {
1416 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1417 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1420 if (mac->link_state == MAC80211_LINKED) {
1421 rtlpriv->enter_ps = false;
1422 schedule_work(&rtlpriv->works.lps_change_work);
1423 mac->link_state = MAC80211_LINKED_SCANNING;
1429 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1431 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1432 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1435 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1436 struct ieee80211_vif *vif)
1438 struct rtl_priv *rtlpriv = rtl_priv(hw);
1439 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1441 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1442 mac->act_scanning = false;
1443 mac->skip_scan = false;
1444 if (rtlpriv->link_info.higher_busytraffic)
1447 /* p2p will use 1/6/11 to scan */
1448 if (mac->n_channels == 3)
1449 mac->p2p_in_use = true;
1451 mac->p2p_in_use = false;
1452 mac->n_channels = 0;
1454 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1456 if (mac->link_state == MAC80211_LINKED_SCANNING) {
1457 mac->link_state = MAC80211_LINKED;
1458 if (mac->opmode == NL80211_IFTYPE_STATION) {
1459 /* fix fwlps issue */
1460 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1464 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1465 if (rtlpriv->cfg->ops->get_btc_status())
1466 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1469 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1470 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1471 struct ieee80211_key_conf *key)
1473 struct rtl_priv *rtlpriv = rtl_priv(hw);
1474 u8 key_type = NO_ENCRYPTION;
1476 bool group_key = false;
1477 bool wep_only = false;
1479 u8 mac_addr[ETH_ALEN];
1480 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1482 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1483 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1484 "not open hw encryption\n");
1485 return -ENOSPC; /*User disabled HW-crypto */
1487 /* To support IBSS, use sw-crypto for GTK */
1488 if (((vif->type == NL80211_IFTYPE_ADHOC) ||
1489 (vif->type == NL80211_IFTYPE_MESH_POINT)) &&
1490 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1492 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1493 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1494 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1495 sta ? sta->addr : bcast_addr);
1496 rtlpriv->sec.being_setkey = true;
1498 mutex_lock(&rtlpriv->locks.conf_mutex);
1499 /* <1> get encryption alg */
1501 switch (key->cipher) {
1502 case WLAN_CIPHER_SUITE_WEP40:
1503 key_type = WEP40_ENCRYPTION;
1504 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1506 case WLAN_CIPHER_SUITE_WEP104:
1507 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1508 key_type = WEP104_ENCRYPTION;
1510 case WLAN_CIPHER_SUITE_TKIP:
1511 key_type = TKIP_ENCRYPTION;
1512 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1514 case WLAN_CIPHER_SUITE_CCMP:
1515 key_type = AESCCMP_ENCRYPTION;
1516 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1518 case WLAN_CIPHER_SUITE_AES_CMAC:
1519 /* HW don't support CMAC encryption,
1520 * use software CMAC encryption
1522 key_type = AESCMAC_ENCRYPTION;
1523 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1524 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1525 "HW don't support CMAC encrypiton, use software CMAC encrypiton\n");
1529 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1530 "alg_err:%x!!!!:\n", key->cipher);
1533 if (key_type == WEP40_ENCRYPTION ||
1534 key_type == WEP104_ENCRYPTION ||
1535 vif->type == NL80211_IFTYPE_ADHOC)
1536 rtlpriv->sec.use_defaultkey = true;
1538 /* <2> get key_idx */
1539 key_idx = (u8) (key->keyidx);
1542 /* <3> if pairwise key enable_hw_sec */
1543 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1545 /* wep always be group key, but there are two conditions:
1546 * 1) wep only: is just for wep enc, in this condition
1547 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1548 * will be true & enable_hw_sec will be set when wep
1550 * 2) wep(group) + AES(pairwise): some AP like cisco
1551 * may use it, in this condition enable_hw_sec will not
1552 * be set when wep key setting */
1553 /* we must reset sec_info after lingked before set key,
1554 * or some flag will be wrong*/
1555 if (vif->type == NL80211_IFTYPE_AP ||
1556 vif->type == NL80211_IFTYPE_MESH_POINT) {
1557 if (!group_key || key_type == WEP40_ENCRYPTION ||
1558 key_type == WEP104_ENCRYPTION) {
1561 rtlpriv->cfg->ops->enable_hw_sec(hw);
1564 if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) ||
1565 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1566 if (rtlpriv->sec.pairwise_enc_algorithm ==
1568 (key_type == WEP40_ENCRYPTION ||
1569 key_type == WEP104_ENCRYPTION))
1571 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1572 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1573 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1575 rtlpriv->cfg->ops->enable_hw_sec(hw);
1578 /* <4> set key based on cmd */
1582 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1583 "set WEP(group/pairwise) key\n");
1584 /* Pairwise key with an assigned MAC address. */
1585 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1586 rtlpriv->sec.group_enc_algorithm = key_type;
1587 /*set local buf about wep key. */
1588 memcpy(rtlpriv->sec.key_buf[key_idx],
1589 key->key, key->keylen);
1590 rtlpriv->sec.key_len[key_idx] = key->keylen;
1591 eth_zero_addr(mac_addr);
1592 } else if (group_key) { /* group key */
1593 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1596 rtlpriv->sec.group_enc_algorithm = key_type;
1597 /*set local buf about group key. */
1598 memcpy(rtlpriv->sec.key_buf[key_idx],
1599 key->key, key->keylen);
1600 rtlpriv->sec.key_len[key_idx] = key->keylen;
1601 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1602 } else { /* pairwise key */
1603 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1604 "set pairwise key\n");
1607 "pairwise key without mac_addr\n");
1612 /* Pairwise key with an assigned MAC address. */
1613 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1614 /*set local buf about pairwise key. */
1615 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1616 key->key, key->keylen);
1617 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1618 rtlpriv->sec.pairwise_key =
1619 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1620 memcpy(mac_addr, sta->addr, ETH_ALEN);
1622 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1623 group_key, key_type, wep_only,
1625 /* <5> tell mac80211 do something: */
1626 /*must use sw generate IV, or can not work !!!!. */
1627 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1628 key->hw_key_idx = key_idx;
1629 if (key_type == TKIP_ENCRYPTION)
1630 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1631 /*use software CCMP encryption for management frames (MFP) */
1632 if (key_type == AESCCMP_ENCRYPTION)
1633 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1636 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1637 "disable key delete one entry\n");
1638 /*set local buf about wep key. */
1639 if (vif->type == NL80211_IFTYPE_AP ||
1640 vif->type == NL80211_IFTYPE_MESH_POINT) {
1642 rtl_cam_del_entry(hw, sta->addr);
1644 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1645 rtlpriv->sec.key_len[key_idx] = 0;
1646 eth_zero_addr(mac_addr);
1648 *mac80211 will delete entrys one by one,
1649 *so don't use rtl_cam_reset_all_entry
1650 *or clear all entry here.
1652 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1655 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1656 "cmd_err:%x!!!!:\n", cmd);
1659 mutex_unlock(&rtlpriv->locks.conf_mutex);
1660 rtlpriv->sec.being_setkey = false;
1664 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1666 struct rtl_priv *rtlpriv = rtl_priv(hw);
1672 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1675 mutex_lock(&rtlpriv->locks.conf_mutex);
1677 /*if Radio On return true here */
1678 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1681 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1682 rtlpriv->rfkill.rfkill_state = radio_state;
1684 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1685 "wireless radio switch turned %s\n",
1686 radio_state ? "on" : "off");
1688 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1689 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1693 mutex_unlock(&rtlpriv->locks.conf_mutex);
1696 /* this function is called by mac80211 to flush tx buffer
1697 * before switch channle or power save, or tx buffer packet
1698 * maybe send after offchannel or rf sleep, this may cause
1699 * dis-association by AP */
1700 static void rtl_op_flush(struct ieee80211_hw *hw,
1701 struct ieee80211_vif *vif,
1705 struct rtl_priv *rtlpriv = rtl_priv(hw);
1707 if (rtlpriv->intf_ops->flush)
1708 rtlpriv->intf_ops->flush(hw, queues, drop);
1712 * This routine deals with the Power Configuration CMD
1713 * parsing for RTL8723/RTL8188E Series IC.
1715 * We should follow specific format that was released from HW SD.
1717 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1718 u8 faversion, u8 interface_type,
1719 struct wlan_pwr_cfg pwrcfgcmd[])
1721 struct wlan_pwr_cfg cfg_cmd = {0};
1722 bool polling_bit = false;
1726 u32 polling_count = 0;
1727 u32 max_polling_cnt = 5000;
1730 cfg_cmd = pwrcfgcmd[ary_idx];
1731 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1732 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1733 GET_PWR_CFG_OFFSET(cfg_cmd),
1734 GET_PWR_CFG_CUT_MASK(cfg_cmd),
1735 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1736 GET_PWR_CFG_INTF_MASK(cfg_cmd),
1737 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1738 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1740 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1741 (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1742 (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1743 switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1745 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1746 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1749 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1750 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n");
1751 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1753 /*Read the value from system register*/
1754 value = rtl_read_byte(rtlpriv, offset);
1755 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1756 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1757 GET_PWR_CFG_MASK(cfg_cmd));
1759 /*Write the value back to sytem register*/
1760 rtl_write_byte(rtlpriv, offset, value);
1762 case PWR_CMD_POLLING:
1763 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1764 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1765 polling_bit = false;
1766 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1769 value = rtl_read_byte(rtlpriv, offset);
1771 value &= GET_PWR_CFG_MASK(cfg_cmd);
1773 (GET_PWR_CFG_VALUE(cfg_cmd) &
1774 GET_PWR_CFG_MASK(cfg_cmd)))
1779 if (polling_count++ > max_polling_cnt)
1781 } while (!polling_bit);
1784 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1785 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1786 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1788 udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1790 mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1793 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1794 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1798 "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1807 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1809 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1811 struct rtl_priv *rtlpriv = rtl_priv(hw);
1812 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1813 struct rtl8192_tx_ring *ring;
1814 struct rtl_tx_desc *pdesc;
1815 unsigned long flags;
1816 struct sk_buff *pskb = NULL;
1818 ring = &rtlpci->tx_ring[BEACON_QUEUE];
1820 spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1821 pskb = __skb_dequeue(&ring->queue);
1825 /*this is wrong, fill_tx_cmddesc needs update*/
1826 pdesc = &ring->desc[0];
1828 rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1830 __skb_queue_tail(&ring->queue, skb);
1832 spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1834 rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1838 EXPORT_SYMBOL(rtl_cmd_send_packet);
1839 const struct ieee80211_ops rtl_ops = {
1840 .start = rtl_op_start,
1841 .stop = rtl_op_stop,
1843 .add_interface = rtl_op_add_interface,
1844 .remove_interface = rtl_op_remove_interface,
1845 .change_interface = rtl_op_change_interface,
1847 .suspend = rtl_op_suspend,
1848 .resume = rtl_op_resume,
1850 .config = rtl_op_config,
1851 .configure_filter = rtl_op_configure_filter,
1852 .set_key = rtl_op_set_key,
1853 .conf_tx = rtl_op_conf_tx,
1854 .bss_info_changed = rtl_op_bss_info_changed,
1855 .get_tsf = rtl_op_get_tsf,
1856 .set_tsf = rtl_op_set_tsf,
1857 .reset_tsf = rtl_op_reset_tsf,
1858 .sta_notify = rtl_op_sta_notify,
1859 .ampdu_action = rtl_op_ampdu_action,
1860 .sw_scan_start = rtl_op_sw_scan_start,
1861 .sw_scan_complete = rtl_op_sw_scan_complete,
1862 .rfkill_poll = rtl_op_rfkill_poll,
1863 .sta_add = rtl_op_sta_add,
1864 .sta_remove = rtl_op_sta_remove,
1865 .flush = rtl_op_flush,
1867 EXPORT_SYMBOL_GPL(rtl_ops);
1869 bool rtl_btc_status_false(void)
1873 EXPORT_SYMBOL_GPL(rtl_btc_status_false);