1 /******************************************************************************
3 * Copyright(c) 2009-2010 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 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
36 /*mutex for start & stop is must here. */
37 static int rtl_op_start(struct ieee80211_hw *hw)
40 struct rtl_priv *rtlpriv = rtl_priv(hw);
41 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
43 if (!is_hal_stop(rtlhal))
45 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
47 mutex_lock(&rtlpriv->locks.conf_mutex);
48 err = rtlpriv->intf_ops->adapter_start(hw);
50 rtl_watch_dog_timer_callback((unsigned long)hw);
51 mutex_unlock(&rtlpriv->locks.conf_mutex);
55 static void rtl_op_stop(struct ieee80211_hw *hw)
57 struct rtl_priv *rtlpriv = rtl_priv(hw);
58 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
59 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
60 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
62 if (is_hal_stop(rtlhal))
65 if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
70 mutex_lock(&rtlpriv->locks.conf_mutex);
72 mac->link_state = MAC80211_NOLINK;
73 memset(mac->bssid, 0, 6);
74 mac->vendor = PEER_UNKNOWN;
77 rtl_cam_reset_sec_info(hw);
79 rtl_deinit_deferred_work(hw);
80 rtlpriv->intf_ops->adapter_stop(hw);
82 mutex_unlock(&rtlpriv->locks.conf_mutex);
85 static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
87 struct rtl_priv *rtlpriv = rtl_priv(hw);
88 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
89 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
90 struct rtl_tcb_desc tcb_desc;
91 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
93 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
96 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
99 if (!rtlpriv->intf_ops->waitq_insert(hw, skb))
100 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
105 dev_kfree_skb_any(skb);
108 static int rtl_op_add_interface(struct ieee80211_hw *hw,
109 struct ieee80211_vif *vif)
111 struct rtl_priv *rtlpriv = rtl_priv(hw);
112 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
116 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
117 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
123 mutex_lock(&rtlpriv->locks.conf_mutex);
125 case NL80211_IFTYPE_STATION:
126 if (mac->beacon_enabled == 1) {
127 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
128 "NL80211_IFTYPE_STATION\n");
129 mac->beacon_enabled = 0;
130 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
132 [RTL_IBSS_INT_MASKS]);
135 case NL80211_IFTYPE_ADHOC:
136 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
137 "NL80211_IFTYPE_ADHOC\n");
139 mac->link_state = MAC80211_LINKED;
140 rtlpriv->cfg->ops->set_bcn_reg(hw);
141 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
142 mac->basic_rates = 0xfff;
144 mac->basic_rates = 0xff0;
145 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
146 (u8 *) (&mac->basic_rates));
149 case NL80211_IFTYPE_AP:
150 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
151 "NL80211_IFTYPE_AP\n");
153 mac->link_state = MAC80211_LINKED;
154 rtlpriv->cfg->ops->set_bcn_reg(hw);
155 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
156 mac->basic_rates = 0xfff;
158 mac->basic_rates = 0xff0;
159 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
160 (u8 *) (&mac->basic_rates));
163 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
164 "operation mode %d is not supported!\n", vif->type);
170 mac->opmode = vif->type;
171 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
172 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
173 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
176 mutex_unlock(&rtlpriv->locks.conf_mutex);
180 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
181 struct ieee80211_vif *vif)
183 struct rtl_priv *rtlpriv = rtl_priv(hw);
184 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
186 mutex_lock(&rtlpriv->locks.conf_mutex);
188 /* Free beacon resources */
189 if ((mac->opmode == NL80211_IFTYPE_AP) ||
190 (mac->opmode == NL80211_IFTYPE_ADHOC) ||
191 (mac->opmode == NL80211_IFTYPE_MESH_POINT)) {
192 if (mac->beacon_enabled == 1) {
193 mac->beacon_enabled = 0;
194 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
196 [RTL_IBSS_INT_MASKS]);
201 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
202 *NO LINK for our hardware.
205 mac->link_state = MAC80211_NOLINK;
206 memset(mac->bssid, 0, 6);
207 mac->vendor = PEER_UNKNOWN;
208 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
209 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
210 mutex_unlock(&rtlpriv->locks.conf_mutex);
213 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
215 struct rtl_priv *rtlpriv = rtl_priv(hw);
216 struct rtl_phy *rtlphy = &(rtlpriv->phy);
217 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
218 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
219 struct ieee80211_conf *conf = &hw->conf;
221 mutex_lock(&rtlpriv->locks.conf_mutex);
222 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/
223 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
224 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
228 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
229 if (hw->conf.flags & IEEE80211_CONF_IDLE)
235 *although rfoff may not cause by ips, but we will
236 *check the reason in set_rf_power_state function
238 if (unlikely(ppsc->rfpwr_state == ERFOFF))
243 if (changed & IEEE80211_CONF_CHANGE_PS) {
244 cancel_delayed_work(&rtlpriv->works.ps_work);
245 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
246 if (conf->flags & IEEE80211_CONF_PS) {
247 rtlpriv->psc.sw_ps_enabled = true;
248 /* sleep here is must, or we may recv the beacon and
249 * cause mac80211 into wrong ps state, this will cause
250 * power save nullfunc send fail, and further cause
251 * pkt loss, So sleep must quickly but not immediatly
252 * because that will cause nullfunc send by mac80211
253 * fail, and cause pkt loss, we have tested that 5mA
254 * is worked very well */
255 if (!rtlpriv->psc.multi_buffered)
256 queue_delayed_work(rtlpriv->works.rtl_wq,
257 &rtlpriv->works.ps_work,
260 rtl_swlps_rf_awake(hw);
261 rtlpriv->psc.sw_ps_enabled = false;
265 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
266 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
267 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
268 hw->conf.long_frame_max_tx_count);
269 mac->retry_long = hw->conf.long_frame_max_tx_count;
270 mac->retry_short = hw->conf.long_frame_max_tx_count;
271 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
273 long_frame_max_tx_count));
276 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
277 struct ieee80211_channel *channel = hw->conf.channel;
278 u8 wide_chan = (u8) channel->hw_value;
281 *because we should back channel to
282 *current_network.chan in in scanning,
283 *So if set_chan == current_network.chan
285 *because mac80211 tell us wrong bw40
286 *info for cisco1253 bw20, so we modify
287 *it here based on UPPER & LOWER
289 switch (hw->conf.channel_type) {
290 case NL80211_CHAN_HT20:
291 case NL80211_CHAN_NO_HT:
293 mac->cur_40_prime_sc =
294 PRIME_CHNL_OFFSET_DONT_CARE;
295 rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
298 case NL80211_CHAN_HT40MINUS:
300 mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
301 rtlphy->current_chan_bw =
302 HT_CHANNEL_WIDTH_20_40;
309 case NL80211_CHAN_HT40PLUS:
311 mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
312 rtlphy->current_chan_bw =
313 HT_CHANNEL_WIDTH_20_40;
322 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
323 "switch case not processed\n");
330 /* In scanning, before we go offchannel we may send a ps=1 null
331 * to AP, and then we may send a ps = 0 null to AP quickly, but
332 * first null may have caused AP to put lots of packet to hw tx
333 * buffer. These packets must be tx'd before we go off channel
334 * so we must delay more time to let AP flush these packets
335 * before going offchannel, or dis-association or delete BA will
338 if (rtlpriv->mac80211.offchan_delay) {
339 rtlpriv->mac80211.offchan_delay = false;
342 rtlphy->current_channel = wide_chan;
344 rtlpriv->cfg->ops->switch_channel(hw);
345 rtlpriv->cfg->ops->set_channel_access(hw);
346 rtlpriv->cfg->ops->set_bw_mode(hw,
347 hw->conf.channel_type);
350 mutex_unlock(&rtlpriv->locks.conf_mutex);
355 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
356 unsigned int changed_flags,
357 unsigned int *new_flags, u64 multicast)
359 struct rtl_priv *rtlpriv = rtl_priv(hw);
360 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
362 *new_flags &= RTL_SUPPORTED_FILTERS;
366 /*TODO: we disable broadcase now, so enable here */
367 if (changed_flags & FIF_ALLMULTI) {
368 if (*new_flags & FIF_ALLMULTI) {
369 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
370 rtlpriv->cfg->maps[MAC_RCR_AB];
371 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
372 "Enable receive multicast frame\n");
374 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
375 rtlpriv->cfg->maps[MAC_RCR_AB]);
376 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
377 "Disable receive multicast frame\n");
381 if (changed_flags & FIF_FCSFAIL) {
382 if (*new_flags & FIF_FCSFAIL) {
383 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
384 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
385 "Enable receive FCS error frame\n");
387 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
388 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
389 "Disable receive FCS error frame\n");
393 /* if ssid not set to hw don't check bssid
394 * here just used for linked scanning, & linked
395 * and nolink check bssid is set in set network_type */
396 if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
397 (mac->link_state >= MAC80211_LINKED)) {
398 if (mac->opmode != NL80211_IFTYPE_AP) {
399 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
400 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
402 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
407 if (changed_flags & FIF_CONTROL) {
408 if (*new_flags & FIF_CONTROL) {
409 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
411 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
412 "Enable receive control frame\n");
414 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
415 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
416 "Disable receive control frame\n");
420 if (changed_flags & FIF_OTHER_BSS) {
421 if (*new_flags & FIF_OTHER_BSS) {
422 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
423 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
424 "Enable receive other BSS's frame\n");
426 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
427 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
428 "Disable receive other BSS's frame\n");
432 static int rtl_op_sta_add(struct ieee80211_hw *hw,
433 struct ieee80211_vif *vif,
434 struct ieee80211_sta *sta)
436 struct rtl_priv *rtlpriv = rtl_priv(hw);
437 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
438 struct rtl_sta_info *sta_entry;
441 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
442 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
443 sta_entry->wireless_mode = WIRELESS_MODE_G;
444 if (sta->supp_rates[0] <= 0xf)
445 sta_entry->wireless_mode = WIRELESS_MODE_B;
446 if (sta->ht_cap.ht_supported)
447 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
448 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
449 sta_entry->wireless_mode = WIRELESS_MODE_A;
450 if (sta->ht_cap.ht_supported)
451 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
454 /* I found some times mac80211 give wrong supp_rates for adhoc*/
455 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
456 sta_entry->wireless_mode = WIRELESS_MODE_G;
458 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
459 "Add sta addr is %pM\n", sta->addr);
460 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
464 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
465 struct ieee80211_vif *vif,
466 struct ieee80211_sta *sta)
468 struct rtl_priv *rtlpriv = rtl_priv(hw);
469 struct rtl_sta_info *sta_entry;
471 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
472 "Remove sta addr is %pM\n", sta->addr);
473 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
474 sta_entry->wireless_mode = 0;
475 sta_entry->ratr_index = 0;
479 static int _rtl_get_hal_qnum(u16 queue)
504 *for mac80211 VO=0, VI=1, BE=2, BK=3
505 *for rtl819x BE=0, BK=1, VI=2, VO=3
507 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
508 struct ieee80211_vif *vif, u16 queue,
509 const struct ieee80211_tx_queue_params *param)
511 struct rtl_priv *rtlpriv = rtl_priv(hw);
512 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
515 if (queue >= AC_MAX) {
516 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
517 "queue number %d is incorrect!\n", queue);
521 aci = _rtl_get_hal_qnum(queue);
522 mac->ac[aci].aifs = param->aifs;
523 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
524 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
525 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
526 memcpy(&mac->edca_param[aci], param, sizeof(*param));
527 rtlpriv->cfg->ops->set_qos(hw, aci);
531 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
532 struct ieee80211_vif *vif,
533 struct ieee80211_bss_conf *bss_conf, u32 changed)
535 struct rtl_priv *rtlpriv = rtl_priv(hw);
536 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
537 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
538 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
539 struct ieee80211_sta *sta = NULL;
541 mutex_lock(&rtlpriv->locks.conf_mutex);
542 if ((vif->type == NL80211_IFTYPE_ADHOC) ||
543 (vif->type == NL80211_IFTYPE_AP) ||
544 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
545 if ((changed & BSS_CHANGED_BEACON) ||
546 (changed & BSS_CHANGED_BEACON_ENABLED &&
547 bss_conf->enable_beacon)) {
548 if (mac->beacon_enabled == 0) {
549 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
550 "BSS_CHANGED_BEACON_ENABLED\n");
552 /*start hw beacon interrupt. */
553 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
554 mac->beacon_enabled = 1;
555 rtlpriv->cfg->ops->update_interrupt_mask(hw,
557 [RTL_IBSS_INT_MASKS],
560 if (rtlpriv->cfg->ops->linked_set_reg)
561 rtlpriv->cfg->ops->linked_set_reg(hw);
564 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
565 !bss_conf->enable_beacon)) {
566 if (mac->beacon_enabled == 1) {
567 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
568 "ADHOC DISABLE BEACON\n");
570 mac->beacon_enabled = 0;
571 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
573 [RTL_IBSS_INT_MASKS]);
576 if (changed & BSS_CHANGED_BEACON_INT) {
577 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
578 "BSS_CHANGED_BEACON_INT\n");
579 mac->beacon_interval = bss_conf->beacon_int;
580 rtlpriv->cfg->ops->set_bcn_intv(hw);
584 /*TODO: reference to enum ieee80211_bss_change */
585 if (changed & BSS_CHANGED_ASSOC) {
586 if (bss_conf->assoc) {
587 /* we should reset all sec info & cam
588 * before set cam after linked, we should not
589 * reset in disassoc, that will cause tkip->wep
590 * fail because some flag will be wrong */
592 rtl_cam_reset_sec_info(hw);
593 /* reset cam to fix wep fail issue
594 * when change from wpa to wep */
595 rtl_cam_reset_all_entry(hw);
597 mac->link_state = MAC80211_LINKED;
598 mac->cnt_after_linked = 0;
599 mac->assoc_id = bss_conf->aid;
600 memcpy(mac->bssid, bss_conf->bssid, 6);
602 if (rtlpriv->cfg->ops->linked_set_reg)
603 rtlpriv->cfg->ops->linked_set_reg(hw);
604 if (mac->opmode == NL80211_IFTYPE_STATION && sta)
605 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
606 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
607 "BSS_CHANGED_ASSOC\n");
609 if (mac->link_state == MAC80211_LINKED)
612 mac->link_state = MAC80211_NOLINK;
613 memset(mac->bssid, 0, 6);
616 rtl_cam_reset_sec_info(hw);
618 rtl_cam_reset_all_entry(hw);
619 mac->vendor = PEER_UNKNOWN;
621 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
622 "BSS_CHANGED_UN_ASSOC\n");
626 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
627 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
628 "BSS_CHANGED_ERP_CTS_PROT\n");
629 mac->use_cts_protect = bss_conf->use_cts_prot;
632 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
633 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
634 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
635 bss_conf->use_short_preamble);
637 mac->short_preamble = bss_conf->use_short_preamble;
638 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
639 (u8 *) (&mac->short_preamble));
642 if (changed & BSS_CHANGED_ERP_SLOT) {
643 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
644 "BSS_CHANGED_ERP_SLOT\n");
646 if (bss_conf->use_short_slot)
647 mac->slot_time = RTL_SLOT_TIME_9;
649 mac->slot_time = RTL_SLOT_TIME_20;
651 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
652 (u8 *) (&mac->slot_time));
655 if (changed & BSS_CHANGED_HT) {
656 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "BSS_CHANGED_HT\n");
658 sta = get_sta(hw, vif, bss_conf->bssid);
660 if (sta->ht_cap.ampdu_density >
661 mac->current_ampdu_density)
662 mac->current_ampdu_density =
663 sta->ht_cap.ampdu_density;
664 if (sta->ht_cap.ampdu_factor <
665 mac->current_ampdu_factor)
666 mac->current_ampdu_factor =
667 sta->ht_cap.ampdu_factor;
671 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
672 (u8 *) (&mac->max_mss_density));
673 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
674 &mac->current_ampdu_factor);
675 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
676 &mac->current_ampdu_density);
679 if (changed & BSS_CHANGED_BSSID) {
682 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
683 (u8 *) bss_conf->bssid);
685 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, "%pM\n",
688 mac->vendor = PEER_UNKNOWN;
689 memcpy(mac->bssid, bss_conf->bssid, 6);
690 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
693 sta = get_sta(hw, vif, bss_conf->bssid);
699 if (rtlhal->current_bandtype == BAND_ON_5G) {
700 mac->mode = WIRELESS_MODE_A;
702 if (sta->supp_rates[0] <= 0xf)
703 mac->mode = WIRELESS_MODE_B;
705 mac->mode = WIRELESS_MODE_G;
708 if (sta->ht_cap.ht_supported) {
709 if (rtlhal->current_bandtype == BAND_ON_2_4G)
710 mac->mode = WIRELESS_MODE_N_24G;
712 mac->mode = WIRELESS_MODE_N_5G;
715 /* just station need it, because ibss & ap mode will
716 * set in sta_add, and will be NULL here */
717 if (mac->opmode == NL80211_IFTYPE_STATION) {
718 struct rtl_sta_info *sta_entry;
719 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
720 sta_entry->wireless_mode = mac->mode;
723 if (sta->ht_cap.ht_supported) {
724 mac->ht_enable = true;
727 * for cisco 1252 bw20 it's wrong
728 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
734 if (changed & BSS_CHANGED_BASIC_RATES) {
735 /* for 5G must << RATE_6M_INDEX=4,
736 * because 5G have no cck rate*/
737 if (rtlhal->current_bandtype == BAND_ON_5G)
738 basic_rates = sta->supp_rates[1] << 4;
740 basic_rates = sta->supp_rates[0];
742 mac->basic_rates = basic_rates;
743 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
744 (u8 *) (&basic_rates));
751 * To tell firmware we have connected
752 * to an AP. For 92SE/CE power save v2.
754 if (changed & BSS_CHANGED_ASSOC) {
755 if (bss_conf->assoc) {
756 if (ppsc->fwctrl_lps) {
757 u8 mstatus = RT_MEDIA_CONNECT;
758 rtlpriv->cfg->ops->set_hw_reg(hw,
759 HW_VAR_H2C_FW_JOINBSSRPT,
761 ppsc->report_linked = true;
764 if (ppsc->fwctrl_lps) {
765 u8 mstatus = RT_MEDIA_DISCONNECT;
766 rtlpriv->cfg->ops->set_hw_reg(hw,
767 HW_VAR_H2C_FW_JOINBSSRPT,
769 ppsc->report_linked = false;
775 mutex_unlock(&rtlpriv->locks.conf_mutex);
778 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
780 struct rtl_priv *rtlpriv = rtl_priv(hw);
783 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf));
787 static void rtl_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
790 struct rtl_priv *rtlpriv = rtl_priv(hw);
791 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
792 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
795 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&bibss));
798 static void rtl_op_reset_tsf(struct ieee80211_hw *hw,
799 struct ieee80211_vif *vif)
801 struct rtl_priv *rtlpriv = rtl_priv(hw);
804 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *) (&tmp));
807 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
808 struct ieee80211_vif *vif,
809 enum sta_notify_cmd cmd,
810 struct ieee80211_sta *sta)
813 case STA_NOTIFY_SLEEP:
815 case STA_NOTIFY_AWAKE:
822 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
823 struct ieee80211_vif *vif,
824 enum ieee80211_ampdu_mlme_action action,
825 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
828 struct rtl_priv *rtlpriv = rtl_priv(hw);
831 case IEEE80211_AMPDU_TX_START:
832 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
833 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
834 return rtl_tx_agg_start(hw, sta, tid, ssn);
836 case IEEE80211_AMPDU_TX_STOP:
837 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
838 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
839 return rtl_tx_agg_stop(hw, sta, tid);
841 case IEEE80211_AMPDU_TX_OPERATIONAL:
842 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
843 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
844 rtl_tx_agg_oper(hw, sta, tid);
846 case IEEE80211_AMPDU_RX_START:
847 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
848 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
850 case IEEE80211_AMPDU_RX_STOP:
851 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
852 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
855 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
856 "IEEE80211_AMPDU_ERR!!!!:\n");
862 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
864 struct rtl_priv *rtlpriv = rtl_priv(hw);
865 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
867 mac->act_scanning = true;
869 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
871 if (mac->link_state == MAC80211_LINKED) {
873 mac->link_state = MAC80211_LINKED_SCANNING;
879 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
881 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
882 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
885 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
887 struct rtl_priv *rtlpriv = rtl_priv(hw);
888 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
890 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
891 mac->act_scanning = false;
893 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
895 if (mac->link_state == MAC80211_LINKED_SCANNING) {
896 mac->link_state = MAC80211_LINKED;
897 if (mac->opmode == NL80211_IFTYPE_STATION) {
898 /* fix fwlps issue */
899 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
903 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
906 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
907 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
908 struct ieee80211_key_conf *key)
910 struct rtl_priv *rtlpriv = rtl_priv(hw);
911 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
912 u8 key_type = NO_ENCRYPTION;
914 bool group_key = false;
915 bool wep_only = false;
917 u8 mac_addr[ETH_ALEN];
918 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
919 u8 zero_addr[ETH_ALEN] = { 0 };
921 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
922 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
923 "not open hw encryption\n");
924 return -ENOSPC; /*User disabled HW-crypto */
926 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
927 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
928 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
929 sta ? sta->addr : bcast_addr);
930 rtlpriv->sec.being_setkey = true;
932 mutex_lock(&rtlpriv->locks.conf_mutex);
933 /* <1> get encryption alg */
935 switch (key->cipher) {
936 case WLAN_CIPHER_SUITE_WEP40:
937 key_type = WEP40_ENCRYPTION;
938 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
940 case WLAN_CIPHER_SUITE_WEP104:
941 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
942 key_type = WEP104_ENCRYPTION;
944 case WLAN_CIPHER_SUITE_TKIP:
945 key_type = TKIP_ENCRYPTION;
946 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
948 case WLAN_CIPHER_SUITE_CCMP:
949 key_type = AESCCMP_ENCRYPTION;
950 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
953 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "alg_err:%x!!!!\n",
957 if (key_type == WEP40_ENCRYPTION ||
958 key_type == WEP104_ENCRYPTION ||
959 mac->opmode == NL80211_IFTYPE_ADHOC)
960 rtlpriv->sec.use_defaultkey = true;
962 /* <2> get key_idx */
963 key_idx = (u8) (key->keyidx);
966 /* <3> if pairwise key enable_hw_sec */
967 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
969 /* wep always be group key, but there are two conditions:
970 * 1) wep only: is just for wep enc, in this condition
971 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
972 * will be true & enable_hw_sec will be set when wep
974 * 2) wep(group) + AES(pairwise): some AP like cisco
975 * may use it, in this condition enable_hw_sec will not
976 * be set when wep key setting */
977 /* we must reset sec_info after lingked before set key,
978 * or some flag will be wrong*/
979 if (mac->opmode == NL80211_IFTYPE_AP) {
980 if (!group_key || key_type == WEP40_ENCRYPTION ||
981 key_type == WEP104_ENCRYPTION) {
984 rtlpriv->cfg->ops->enable_hw_sec(hw);
987 if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) ||
988 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
989 if (rtlpriv->sec.pairwise_enc_algorithm ==
991 (key_type == WEP40_ENCRYPTION ||
992 key_type == WEP104_ENCRYPTION))
994 rtlpriv->sec.pairwise_enc_algorithm = key_type;
995 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
996 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
998 rtlpriv->cfg->ops->enable_hw_sec(hw);
1001 /* <4> set key based on cmd */
1005 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1006 "set WEP(group/pairwise) key\n");
1007 /* Pairwise key with an assigned MAC address. */
1008 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1009 rtlpriv->sec.group_enc_algorithm = key_type;
1010 /*set local buf about wep key. */
1011 memcpy(rtlpriv->sec.key_buf[key_idx],
1012 key->key, key->keylen);
1013 rtlpriv->sec.key_len[key_idx] = key->keylen;
1014 memcpy(mac_addr, zero_addr, ETH_ALEN);
1015 } else if (group_key) { /* group key */
1016 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1019 rtlpriv->sec.group_enc_algorithm = key_type;
1020 /*set local buf about group key. */
1021 memcpy(rtlpriv->sec.key_buf[key_idx],
1022 key->key, key->keylen);
1023 rtlpriv->sec.key_len[key_idx] = key->keylen;
1024 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1025 } else { /* pairwise key */
1026 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1027 "set pairwise key\n");
1030 "pairwise key without mac_addr\n");
1035 /* Pairwise key with an assigned MAC address. */
1036 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1037 /*set local buf about pairwise key. */
1038 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1039 key->key, key->keylen);
1040 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1041 rtlpriv->sec.pairwise_key =
1042 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1043 memcpy(mac_addr, sta->addr, ETH_ALEN);
1045 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1046 group_key, key_type, wep_only,
1048 /* <5> tell mac80211 do something: */
1049 /*must use sw generate IV, or can not work !!!!. */
1050 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1051 key->hw_key_idx = key_idx;
1052 if (key_type == TKIP_ENCRYPTION)
1053 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1056 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1057 "disable key delete one entry\n");
1058 /*set local buf about wep key. */
1059 if (mac->opmode == NL80211_IFTYPE_AP) {
1061 rtl_cam_del_entry(hw, sta->addr);
1063 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1064 rtlpriv->sec.key_len[key_idx] = 0;
1065 memcpy(mac_addr, zero_addr, ETH_ALEN);
1067 *mac80211 will delete entrys one by one,
1068 *so don't use rtl_cam_reset_all_entry
1069 *or clear all entry here.
1071 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1073 rtl_cam_reset_sec_info(hw);
1077 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1078 "cmd_err:%x!!!!\n", cmd);
1081 mutex_unlock(&rtlpriv->locks.conf_mutex);
1082 rtlpriv->sec.being_setkey = false;
1086 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1088 struct rtl_priv *rtlpriv = rtl_priv(hw);
1094 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1097 mutex_lock(&rtlpriv->locks.conf_mutex);
1099 /*if Radio On return true here */
1100 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1103 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1104 rtlpriv->rfkill.rfkill_state = radio_state;
1106 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1107 "wireless radio switch turned %s\n",
1108 radio_state ? "on" : "off");
1110 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1111 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1115 mutex_unlock(&rtlpriv->locks.conf_mutex);
1118 /* this function is called by mac80211 to flush tx buffer
1119 * before switch channle or power save, or tx buffer packet
1120 * maybe send after offchannel or rf sleep, this may cause
1121 * dis-association by AP */
1122 static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
1124 struct rtl_priv *rtlpriv = rtl_priv(hw);
1126 if (rtlpriv->intf_ops->flush)
1127 rtlpriv->intf_ops->flush(hw, drop);
1130 const struct ieee80211_ops rtl_ops = {
1131 .start = rtl_op_start,
1132 .stop = rtl_op_stop,
1134 .add_interface = rtl_op_add_interface,
1135 .remove_interface = rtl_op_remove_interface,
1136 .config = rtl_op_config,
1137 .configure_filter = rtl_op_configure_filter,
1138 .sta_add = rtl_op_sta_add,
1139 .sta_remove = rtl_op_sta_remove,
1140 .set_key = rtl_op_set_key,
1141 .conf_tx = rtl_op_conf_tx,
1142 .bss_info_changed = rtl_op_bss_info_changed,
1143 .get_tsf = rtl_op_get_tsf,
1144 .set_tsf = rtl_op_set_tsf,
1145 .reset_tsf = rtl_op_reset_tsf,
1146 .sta_notify = rtl_op_sta_notify,
1147 .ampdu_action = rtl_op_ampdu_action,
1148 .sw_scan_start = rtl_op_sw_scan_start,
1149 .sw_scan_complete = rtl_op_sw_scan_complete,
1150 .rfkill_poll = rtl_op_rfkill_poll,
1151 .flush = rtl_op_flush,