fc89cd8c8320e0d7b934fbaafd00b09694cb40ed
[linux-2.6.git] / drivers / net / wireless / rtlwifi / core.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2010  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  * 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
17  *
18  * The full GNU General Public License is included in this distribution in the
19  * file called LICENSE.
20  *
21  * Contact Information:
22  * wlanfae <wlanfae@realtek.com>
23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24  * Hsinchu 300, Taiwan.
25  *
26  * Larry Finger <Larry.Finger@lwfinger.net>
27  *
28  *****************************************************************************/
29
30 #include "wifi.h"
31 #include "core.h"
32 #include "cam.h"
33 #include "base.h"
34 #include "ps.h"
35
36 /*mutex for start & stop is must here. */
37 static int rtl_op_start(struct ieee80211_hw *hw)
38 {
39         int err;
40         struct rtl_priv *rtlpriv = rtl_priv(hw);
41         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
42
43         if (!is_hal_stop(rtlhal))
44                 return 0;
45         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
46                 return 0;
47         mutex_lock(&rtlpriv->locks.conf_mutex);
48         err = rtlpriv->intf_ops->adapter_start(hw);
49         if (!err)
50                 rtl_watch_dog_timer_callback((unsigned long)hw);
51         mutex_unlock(&rtlpriv->locks.conf_mutex);
52         return err;
53 }
54
55 static void rtl_op_stop(struct ieee80211_hw *hw)
56 {
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));
61
62         if (is_hal_stop(rtlhal))
63                 return;
64
65         if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
66                 rtl_ips_nic_on(hw);
67                 mdelay(1);
68         }
69
70         mutex_lock(&rtlpriv->locks.conf_mutex);
71
72         mac->link_state = MAC80211_NOLINK;
73         memset(mac->bssid, 0, 6);
74         mac->vendor = PEER_UNKNOWN;
75
76         /*reset sec info */
77         rtl_cam_reset_sec_info(hw);
78
79         rtl_deinit_deferred_work(hw);
80         rtlpriv->intf_ops->adapter_stop(hw);
81
82         mutex_unlock(&rtlpriv->locks.conf_mutex);
83 }
84
85 static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
86 {
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));
92
93         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
94                 goto err_free;
95
96         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
97                 goto err_free;
98
99         if (!rtlpriv->intf_ops->waitq_insert(hw, skb))
100                 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
101
102         return;
103
104 err_free:
105         dev_kfree_skb_any(skb);
106 }
107
108 static int rtl_op_add_interface(struct ieee80211_hw *hw,
109                 struct ieee80211_vif *vif)
110 {
111         struct rtl_priv *rtlpriv = rtl_priv(hw);
112         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
113         int err = 0;
114
115         if (mac->vif) {
116                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
117                          ("vif has been set!! mac->vif = 0x%p\n", mac->vif));
118                 return -EOPNOTSUPP;
119         }
120
121         rtl_ips_nic_on(hw);
122
123         mutex_lock(&rtlpriv->locks.conf_mutex);
124         switch (vif->type) {
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,
131                                         rtlpriv->cfg->maps
132                                         [RTL_IBSS_INT_MASKS]);
133                 }
134                 break;
135         case NL80211_IFTYPE_ADHOC:
136                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
137                          ("NL80211_IFTYPE_ADHOC\n"));
138
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;
143                 else
144                         mac->basic_rates = 0xff0;
145                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
146                                 (u8 *) (&mac->basic_rates));
147
148                 break;
149         case NL80211_IFTYPE_AP:
150                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
151                          ("NL80211_IFTYPE_AP\n"));
152
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;
157                 else
158                         mac->basic_rates = 0xff0;
159                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
160                                 (u8 *) (&mac->basic_rates));
161                 break;
162         default:
163                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
164                          ("operation mode %d is not support!\n", vif->type));
165                 err = -EOPNOTSUPP;
166                 goto out;
167         }
168
169         mac->vif = vif;
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);
174
175 out:
176         mutex_unlock(&rtlpriv->locks.conf_mutex);
177         return err;
178 }
179
180 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
181                 struct ieee80211_vif *vif)
182 {
183         struct rtl_priv *rtlpriv = rtl_priv(hw);
184         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
185
186         mutex_lock(&rtlpriv->locks.conf_mutex);
187
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,
195                                         rtlpriv->cfg->maps
196                                         [RTL_IBSS_INT_MASKS]);
197                 }
198         }
199
200         /*
201          *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
202          *NO LINK for our hardware.
203          */
204         mac->vif = NULL;
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);
211 }
212
213 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
214 {
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;
220
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"));
225         }
226
227         /*For IPS */
228         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
229                 if (hw->conf.flags & IEEE80211_CONF_IDLE)
230                         rtl_ips_nic_off(hw);
231                 else
232                         rtl_ips_nic_on(hw);
233         } else {
234                 /*
235                  *although rfoff may not cause by ips, but we will
236                  *check the reason in set_rf_power_state function
237                  */
238                 if (unlikely(ppsc->rfpwr_state == ERFOFF))
239                         rtl_ips_nic_on(hw);
240         }
241
242         /*For LPS */
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,
258                                                 MSECS(5));
259                 } else {
260                         rtl_swlps_rf_awake(hw);
261                         rtlpriv->psc.sw_ps_enabled = false;
262                 }
263         }
264
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,
272                                               (u8 *) (&hw->conf.
273                                                       long_frame_max_tx_count));
274         }
275
276         if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
277                 struct ieee80211_channel *channel = hw->conf.channel;
278                 u8 wide_chan = (u8) channel->hw_value;
279
280                 /*
281                  *because we should back channel to
282                  *current_network.chan in in scanning,
283                  *So if set_chan == current_network.chan
284                  *we should set it.
285                  *because mac80211 tell us wrong bw40
286                  *info for cisco1253 bw20, so we modify
287                  *it here based on UPPER & LOWER
288                  */
289                 switch (hw->conf.channel_type) {
290                 case NL80211_CHAN_HT20:
291                 case NL80211_CHAN_NO_HT:
292                         /* SC */
293                         mac->cur_40_prime_sc =
294                                 PRIME_CHNL_OFFSET_DONT_CARE;
295                         rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
296                         mac->bw_40 = false;
297                         break;
298                 case NL80211_CHAN_HT40MINUS:
299                         /* SC */
300                         mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
301                         rtlphy->current_chan_bw =
302                                 HT_CHANNEL_WIDTH_20_40;
303                         mac->bw_40 = true;
304
305                         /*wide channel */
306                         wide_chan -= 2;
307
308                         break;
309                 case NL80211_CHAN_HT40PLUS:
310                         /* SC */
311                         mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
312                         rtlphy->current_chan_bw =
313                                 HT_CHANNEL_WIDTH_20_40;
314                         mac->bw_40 = true;
315
316                         /*wide channel */
317                         wide_chan += 2;
318
319                         break;
320                 default:
321                         mac->bw_40 = false;
322                         RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
323                                         ("switch case not processed\n"));
324                         break;
325                 }
326
327                 if (wide_chan <= 0)
328                         wide_chan = 1;
329
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
336                  * happen by AP
337                  */
338                 if (rtlpriv->mac80211.offchan_deley) {
339                         rtlpriv->mac80211.offchan_deley = false;
340                         mdelay(50);
341                 }
342                 rtlphy->current_channel = wide_chan;
343
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);
348         }
349
350         mutex_unlock(&rtlpriv->locks.conf_mutex);
351
352         return 0;
353 }
354
355 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
356                              unsigned int changed_flags,
357                              unsigned int *new_flags, u64 multicast)
358 {
359         struct rtl_priv *rtlpriv = rtl_priv(hw);
360         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
361
362         *new_flags &= RTL_SUPPORTED_FILTERS;
363         if (!changed_flags)
364                 return;
365
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"));
373                 } else {
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"));
378                 }
379         }
380
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"));
386                 } else {
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"));
390                 }
391         }
392
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);
401                         } else {
402                                 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
403                         }
404                 }
405         }
406
407         if (changed_flags & FIF_CONTROL) {
408                 if (*new_flags & FIF_CONTROL) {
409                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
410
411                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
412                                  ("Enable receive control frame.\n"));
413                 } else {
414                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
415                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
416                                  ("Disable receive control frame.\n"));
417                 }
418         }
419
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"));
425                 } else {
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"));
429                 }
430         }
431 }
432 static int rtl_op_sta_add(struct ieee80211_hw *hw,
433                          struct ieee80211_vif *vif,
434                          struct ieee80211_sta *sta)
435 {
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;
439
440         if (sta) {
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 == true)
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 == true)
451                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
452                 }
453
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;
457
458                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
459                         ("Add sta addr is "MAC_FMT"\n", MAC_ARG(sta->addr)));
460                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
461         }
462         return 0;
463 }
464 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
465                                 struct ieee80211_vif *vif,
466                                 struct ieee80211_sta *sta)
467 {
468         struct rtl_priv *rtlpriv = rtl_priv(hw);
469         struct rtl_sta_info *sta_entry;
470         if (sta) {
471                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
472                         ("Remove sta addr is "MAC_FMT"\n", MAC_ARG(sta->addr)));
473                 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
474                 sta_entry->wireless_mode = 0;
475                 sta_entry->ratr_index = 0;
476         }
477         return 0;
478 }
479 static int _rtl_get_hal_qnum(u16 queue)
480 {
481         int qnum;
482
483         switch (queue) {
484         case 0:
485                 qnum = AC3_VO;
486                 break;
487         case 1:
488                 qnum = AC2_VI;
489                 break;
490         case 2:
491                 qnum = AC0_BE;
492                 break;
493         case 3:
494                 qnum = AC1_BK;
495                 break;
496         default:
497                 qnum = AC0_BE;
498                 break;
499         }
500         return qnum;
501 }
502
503 /*
504  *for mac80211 VO=0, VI=1, BE=2, BK=3
505  *for rtl819x  BE=0, BK=1, VI=2, VO=3
506  */
507 static int rtl_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
508                    const struct ieee80211_tx_queue_params *param)
509 {
510         struct rtl_priv *rtlpriv = rtl_priv(hw);
511         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
512         int aci;
513
514         if (queue >= AC_MAX) {
515                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
516                          ("queue number %d is incorrect!\n", queue));
517                 return -EINVAL;
518         }
519
520         aci = _rtl_get_hal_qnum(queue);
521         mac->ac[aci].aifs = param->aifs;
522         mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
523         mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
524         mac->ac[aci].tx_op = cpu_to_le16(param->txop);
525         memcpy(&mac->edca_param[aci], param, sizeof(*param));
526         rtlpriv->cfg->ops->set_qos(hw, aci);
527         return 0;
528 }
529
530 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
531                              struct ieee80211_vif *vif,
532                              struct ieee80211_bss_conf *bss_conf, u32 changed)
533 {
534         struct rtl_priv *rtlpriv = rtl_priv(hw);
535         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
536         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
537         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
538         struct ieee80211_sta *sta = NULL;
539
540         mutex_lock(&rtlpriv->locks.conf_mutex);
541         if ((vif->type == NL80211_IFTYPE_ADHOC) ||
542             (vif->type == NL80211_IFTYPE_AP) ||
543             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
544                 if ((changed & BSS_CHANGED_BEACON) ||
545                     (changed & BSS_CHANGED_BEACON_ENABLED &&
546                      bss_conf->enable_beacon)) {
547                         if (mac->beacon_enabled == 0) {
548                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
549                                          ("BSS_CHANGED_BEACON_ENABLED\n"));
550
551                                 /*start hw beacon interrupt. */
552                                 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
553                                 mac->beacon_enabled = 1;
554                                 rtlpriv->cfg->ops->update_interrupt_mask(hw,
555                                                 rtlpriv->cfg->maps
556                                                 [RTL_IBSS_INT_MASKS],
557                                                 0);
558
559                                 if (rtlpriv->cfg->ops->linked_set_reg)
560                                         rtlpriv->cfg->ops->linked_set_reg(hw);
561                         }
562                 }
563                 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
564                         !bss_conf->enable_beacon)) {
565                         if (mac->beacon_enabled == 1) {
566                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
567                                          ("ADHOC DISABLE BEACON\n"));
568
569                                 mac->beacon_enabled = 0;
570                                 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
571                                                 rtlpriv->cfg->maps
572                                                 [RTL_IBSS_INT_MASKS]);
573                         }
574                 }
575                 if (changed & BSS_CHANGED_BEACON_INT) {
576                         RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
577                                  ("BSS_CHANGED_BEACON_INT\n"));
578                         mac->beacon_interval = bss_conf->beacon_int;
579                         rtlpriv->cfg->ops->set_bcn_intv(hw);
580                 }
581         }
582
583         /*TODO: reference to enum ieee80211_bss_change */
584         if (changed & BSS_CHANGED_ASSOC) {
585                 if (bss_conf->assoc) {
586                         /* we should reset all sec info & cam
587                          * before set cam after linked, we should not
588                          * reset in disassoc, that will cause tkip->wep
589                          * fail because some flag will be wrong */
590                         /* reset sec info */
591                         rtl_cam_reset_sec_info(hw);
592                         /* reset cam to fix wep fail issue
593                          * when change from wpa to wep */
594                         rtl_cam_reset_all_entry(hw);
595
596                         mac->link_state = MAC80211_LINKED;
597                         mac->cnt_after_linked = 0;
598                         mac->assoc_id = bss_conf->aid;
599                         memcpy(mac->bssid, bss_conf->bssid, 6);
600
601                         if (rtlpriv->cfg->ops->linked_set_reg)
602                                 rtlpriv->cfg->ops->linked_set_reg(hw);
603                         if (mac->opmode == NL80211_IFTYPE_STATION && sta)
604                                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
605                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
606                                  ("BSS_CHANGED_ASSOC\n"));
607                 } else {
608                         if (mac->link_state == MAC80211_LINKED)
609                                 rtl_lps_leave(hw);
610
611                         mac->link_state = MAC80211_NOLINK;
612                         memset(mac->bssid, 0, 6);
613                         mac->vendor = PEER_UNKNOWN;
614
615                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
616                                  ("BSS_CHANGED_UN_ASSOC\n"));
617                 }
618         }
619
620         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
621                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
622                          ("BSS_CHANGED_ERP_CTS_PROT\n"));
623                 mac->use_cts_protect = bss_conf->use_cts_prot;
624         }
625
626         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
627                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
628                          ("BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
629                           bss_conf->use_short_preamble));
630
631                 mac->short_preamble = bss_conf->use_short_preamble;
632                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
633                                               (u8 *) (&mac->short_preamble));
634         }
635
636         if (changed & BSS_CHANGED_ERP_SLOT) {
637                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
638                          ("BSS_CHANGED_ERP_SLOT\n"));
639
640                 if (bss_conf->use_short_slot)
641                         mac->slot_time = RTL_SLOT_TIME_9;
642                 else
643                         mac->slot_time = RTL_SLOT_TIME_20;
644
645                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
646                                               (u8 *) (&mac->slot_time));
647         }
648
649         if (changed & BSS_CHANGED_HT) {
650                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
651                          ("BSS_CHANGED_HT\n"));
652                 rcu_read_lock();
653                 sta = get_sta(hw, vif, (u8 *)bss_conf->bssid);
654                 if (sta) {
655                         if (sta->ht_cap.ampdu_density >
656                             mac->current_ampdu_density)
657                                 mac->current_ampdu_density =
658                                     sta->ht_cap.ampdu_density;
659                         if (sta->ht_cap.ampdu_factor <
660                             mac->current_ampdu_factor)
661                                 mac->current_ampdu_factor =
662                                     sta->ht_cap.ampdu_factor;
663                 }
664                 rcu_read_unlock();
665
666                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
667                                               (u8 *) (&mac->max_mss_density));
668                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
669                                               &mac->current_ampdu_factor);
670                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
671                                               &mac->current_ampdu_density);
672         }
673
674         if (changed & BSS_CHANGED_BSSID) {
675                 u32 basic_rates;
676
677                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
678                                               (u8 *) bss_conf->bssid);
679
680                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
681                          (MAC_FMT "\n", MAC_ARG(bss_conf->bssid)));
682
683                 mac->vendor = PEER_UNKNOWN;
684                 memcpy(mac->bssid, bss_conf->bssid, 6);
685                 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
686
687                 rcu_read_lock();
688                 sta = get_sta(hw, vif, (u8 *)bss_conf->bssid);
689                 if (!sta) {
690                         rcu_read_unlock();
691                         goto out;
692                 }
693
694                 if (rtlhal->current_bandtype == BAND_ON_5G) {
695                         mac->mode = WIRELESS_MODE_A;
696                 } else {
697                         if (sta->supp_rates[0] <= 0xf)
698                                 mac->mode = WIRELESS_MODE_B;
699                         else
700                                 mac->mode = WIRELESS_MODE_G;
701                 }
702
703                 if (sta->ht_cap.ht_supported) {
704                         if (rtlhal->current_bandtype == BAND_ON_2_4G)
705                                 mac->mode = WIRELESS_MODE_N_24G;
706                         else
707                                 mac->mode = WIRELESS_MODE_N_5G;
708                 }
709
710                 /* just station need it, because ibss & ap mode will
711                  * set in sta_add, and will be NULL here */
712                 if (mac->opmode == NL80211_IFTYPE_STATION) {
713                         struct rtl_sta_info *sta_entry;
714                         sta_entry = (struct rtl_sta_info *) sta->drv_priv;
715                         sta_entry->wireless_mode = mac->mode;
716                 }
717
718                 if (sta->ht_cap.ht_supported) {
719                         mac->ht_enable = true;
720
721                         /*
722                          * for cisco 1252 bw20 it's wrong
723                          * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
724                          *      mac->bw_40 = true;
725                          * }
726                          * */
727                 }
728
729                 if (changed & BSS_CHANGED_BASIC_RATES) {
730                         /* for 5G must << RATE_6M_INDEX=4,
731                          * because 5G have no cck rate*/
732                         if (rtlhal->current_bandtype == BAND_ON_5G)
733                                 basic_rates = sta->supp_rates[1] << 4;
734                         else
735                                 basic_rates = sta->supp_rates[0];
736
737                         mac->basic_rates = basic_rates;
738                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
739                                         (u8 *) (&basic_rates));
740                 }
741                 rcu_read_unlock();
742         }
743
744         /*
745          * For FW LPS:
746          * To tell firmware we have connected
747          * to an AP. For 92SE/CE power save v2.
748          */
749         if (changed & BSS_CHANGED_ASSOC) {
750                 if (bss_conf->assoc) {
751                         if (ppsc->fwctrl_lps) {
752                                 u8 mstatus = RT_MEDIA_CONNECT;
753                                 rtlpriv->cfg->ops->set_hw_reg(hw,
754                                                       HW_VAR_H2C_FW_JOINBSSRPT,
755                                                       (u8 *) (&mstatus));
756                                 ppsc->report_linked = true;
757                         }
758                 } else {
759                         if (ppsc->fwctrl_lps) {
760                                 u8 mstatus = RT_MEDIA_DISCONNECT;
761                                 rtlpriv->cfg->ops->set_hw_reg(hw,
762                                                       HW_VAR_H2C_FW_JOINBSSRPT,
763                                                       (u8 *)(&mstatus));
764                                 ppsc->report_linked = false;
765                         }
766                 }
767         }
768
769 out:
770         mutex_unlock(&rtlpriv->locks.conf_mutex);
771 }
772
773 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw)
774 {
775         struct rtl_priv *rtlpriv = rtl_priv(hw);
776         u64 tsf;
777
778         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf));
779         return tsf;
780 }
781
782 static void rtl_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
783 {
784         struct rtl_priv *rtlpriv = rtl_priv(hw);
785         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
786         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;;
787
788         mac->tsf = tsf;
789         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&bibss));
790 }
791
792 static void rtl_op_reset_tsf(struct ieee80211_hw *hw)
793 {
794         struct rtl_priv *rtlpriv = rtl_priv(hw);
795         u8 tmp = 0;
796
797         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *) (&tmp));
798 }
799
800 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
801                               struct ieee80211_vif *vif,
802                               enum sta_notify_cmd cmd,
803                               struct ieee80211_sta *sta)
804 {
805         switch (cmd) {
806         case STA_NOTIFY_SLEEP:
807                 break;
808         case STA_NOTIFY_AWAKE:
809                 break;
810         default:
811                 break;
812         }
813 }
814
815 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
816                                struct ieee80211_vif *vif,
817                                enum ieee80211_ampdu_mlme_action action,
818                                struct ieee80211_sta *sta, u16 tid, u16 *ssn,
819                                u8 buf_size)
820 {
821         struct rtl_priv *rtlpriv = rtl_priv(hw);
822
823         switch (action) {
824         case IEEE80211_AMPDU_TX_START:
825                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
826                          ("IEEE80211_AMPDU_TX_START: TID:%d\n", tid));
827                 return rtl_tx_agg_start(hw, sta, tid, ssn);
828                 break;
829         case IEEE80211_AMPDU_TX_STOP:
830                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
831                          ("IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid));
832                 return rtl_tx_agg_stop(hw, sta, tid);
833                 break;
834         case IEEE80211_AMPDU_TX_OPERATIONAL:
835                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
836                          ("IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid));
837                 rtl_tx_agg_oper(hw, sta, tid);
838                 break;
839         case IEEE80211_AMPDU_RX_START:
840                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
841                          ("IEEE80211_AMPDU_RX_START:TID:%d\n", tid));
842                 break;
843         case IEEE80211_AMPDU_RX_STOP:
844                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
845                          ("IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid));
846                 break;
847         default:
848                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
849                          ("IEEE80211_AMPDU_ERR!!!!:\n"));
850                 return -EOPNOTSUPP;
851         }
852         return 0;
853 }
854
855 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
856 {
857         struct rtl_priv *rtlpriv = rtl_priv(hw);
858         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
859
860         mac->act_scanning = true;
861
862         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n"));
863
864         if (mac->link_state == MAC80211_LINKED) {
865                 rtl_lps_leave(hw);
866                 mac->link_state = MAC80211_LINKED_SCANNING;
867         } else {
868                 rtl_ips_nic_on(hw);
869         }
870
871         /* Dual mac */
872         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
873
874         rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
875         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
876 }
877
878 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
879 {
880         struct rtl_priv *rtlpriv = rtl_priv(hw);
881         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
882
883         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n"));
884         mac->act_scanning = false;
885         /* Dual mac */
886         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
887
888         if (mac->link_state == MAC80211_LINKED_SCANNING) {
889                 mac->link_state = MAC80211_LINKED;
890                 if (mac->opmode == NL80211_IFTYPE_STATION) {
891                         /* fix fwlps issue */
892                         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
893                 }
894         }
895
896         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
897 }
898
899 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
900                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
901                           struct ieee80211_key_conf *key)
902 {
903         struct rtl_priv *rtlpriv = rtl_priv(hw);
904         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
905         u8 key_type = NO_ENCRYPTION;
906         u8 key_idx;
907         bool group_key = false;
908         bool wep_only = false;
909         int err = 0;
910         u8 mac_addr[ETH_ALEN];
911         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
912         u8 zero_addr[ETH_ALEN] = { 0 };
913
914         if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
915                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
916                          ("not open hw encryption\n"));
917                 return -ENOSPC; /*User disabled HW-crypto */
918         }
919         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
920                  ("%s hardware based encryption for keyidx: %d, mac: %pM\n",
921                   cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
922                   sta ? sta->addr : bcast_addr));
923         rtlpriv->sec.being_setkey = true;
924         rtl_ips_nic_on(hw);
925         mutex_lock(&rtlpriv->locks.conf_mutex);
926         /* <1> get encryption alg */
927
928         switch (key->cipher) {
929         case WLAN_CIPHER_SUITE_WEP40:
930                 key_type = WEP40_ENCRYPTION;
931                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:WEP40\n"));
932                 break;
933         case WLAN_CIPHER_SUITE_WEP104:
934                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
935                          ("alg:WEP104\n"));
936                 key_type = WEP104_ENCRYPTION;
937                 break;
938         case WLAN_CIPHER_SUITE_TKIP:
939                 key_type = TKIP_ENCRYPTION;
940                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:TKIP\n"));
941                 break;
942         case WLAN_CIPHER_SUITE_CCMP:
943                 key_type = AESCCMP_ENCRYPTION;
944                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:CCMP\n"));
945                 break;
946         default:
947                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
948                          ("alg_err:%x!!!!:\n", key->cipher));
949                 goto out_unlock;
950         }
951         if (key_type == WEP40_ENCRYPTION ||
952                         key_type == WEP104_ENCRYPTION ||
953                         mac->opmode == NL80211_IFTYPE_ADHOC)
954                 rtlpriv->sec.use_defaultkey = true;
955
956         /* <2> get key_idx */
957         key_idx = (u8) (key->keyidx);
958         if (key_idx > 3)
959                 goto out_unlock;
960         /* <3> if pairwise key enable_hw_sec */
961         group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
962
963         /* wep always be group key, but there are two conditions:
964          * 1) wep only: is just for wep enc, in this condition
965          * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
966          * will be true & enable_hw_sec will be set when wep
967          * ke setting.
968          * 2) wep(group) + AES(pairwise): some AP like cisco
969          * may use it, in this condition enable_hw_sec will not
970          * be set when wep key setting */
971         /* we must reset sec_info after lingked before set key,
972          * or some flag will be wrong*/
973         if (mac->opmode == NL80211_IFTYPE_AP) {
974                 if (!group_key || key_type == WEP40_ENCRYPTION ||
975                         key_type == WEP104_ENCRYPTION) {
976                         if (group_key)
977                                 wep_only = true;
978                         rtlpriv->cfg->ops->enable_hw_sec(hw);
979                 }
980         } else {
981                 if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) ||
982                      rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
983                         if (rtlpriv->sec.pairwise_enc_algorithm ==
984                             NO_ENCRYPTION &&
985                             (key_type == WEP40_ENCRYPTION ||
986                             key_type == WEP104_ENCRYPTION))
987                                 wep_only = true;
988                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
989                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
990                                 ("set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1"
991                                 " TKIP:2 AES:4 WEP104:5)\n", key_type));
992                         rtlpriv->cfg->ops->enable_hw_sec(hw);
993                 }
994         }
995         /* <4> set key based on cmd */
996         switch (cmd) {
997         case SET_KEY:
998                 if (wep_only) {
999                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1000                                  ("set WEP(group/pairwise) key\n"));
1001                         /* Pairwise key with an assigned MAC address. */
1002                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1003                         rtlpriv->sec.group_enc_algorithm = key_type;
1004                         /*set local buf about wep key. */
1005                         memcpy(rtlpriv->sec.key_buf[key_idx],
1006                                key->key, key->keylen);
1007                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1008                         memcpy(mac_addr, zero_addr, ETH_ALEN);
1009                 } else if (group_key) { /* group key */
1010                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1011                                  ("set group key\n"));
1012                         /* group key */
1013                         rtlpriv->sec.group_enc_algorithm = key_type;
1014                         /*set local buf about group key. */
1015                         memcpy(rtlpriv->sec.key_buf[key_idx],
1016                                key->key, key->keylen);
1017                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1018                         memcpy(mac_addr, bcast_addr, ETH_ALEN);
1019                 } else {        /* pairwise key */
1020                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1021                                  ("set pairwise key\n"));
1022                         if (!sta) {
1023                                 RT_ASSERT(false, ("pairwise key withnot"
1024                                                   "mac_addr\n"));
1025
1026                                 err = -EOPNOTSUPP;
1027                                 goto out_unlock;
1028                         }
1029                         /* Pairwise key with an assigned MAC address. */
1030                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1031                         /*set local buf about pairwise key. */
1032                         memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1033                                key->key, key->keylen);
1034                         rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1035                         rtlpriv->sec.pairwise_key =
1036                             rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1037                         memcpy(mac_addr, sta->addr, ETH_ALEN);
1038                 }
1039                 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1040                                            group_key, key_type, wep_only,
1041                                            false);
1042                 /* <5> tell mac80211 do something: */
1043                 /*must use sw generate IV, or can not work !!!!. */
1044                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1045                 key->hw_key_idx = key_idx;
1046                 if (key_type == TKIP_ENCRYPTION)
1047                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1048                 break;
1049         case DISABLE_KEY:
1050                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1051                          ("disable key delete one entry\n"));
1052                 /*set local buf about wep key. */
1053                 if (mac->opmode == NL80211_IFTYPE_AP) {
1054                         if (sta)
1055                                 rtl_cam_del_entry(hw, sta->addr);
1056                 }
1057                 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1058                 rtlpriv->sec.key_len[key_idx] = 0;
1059                 memcpy(mac_addr, zero_addr, ETH_ALEN);
1060                 /*
1061                  *mac80211 will delete entrys one by one,
1062                  *so don't use rtl_cam_reset_all_entry
1063                  *or clear all entry here.
1064                  */
1065                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1066                 break;
1067         default:
1068                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1069                          ("cmd_err:%x!!!!:\n", cmd));
1070         }
1071 out_unlock:
1072         mutex_unlock(&rtlpriv->locks.conf_mutex);
1073         rtlpriv->sec.being_setkey = false;
1074         return err;
1075 }
1076
1077 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1078 {
1079         struct rtl_priv *rtlpriv = rtl_priv(hw);
1080
1081         bool radio_state;
1082         bool blocked;
1083         u8 valid = 0;
1084
1085         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1086                 return;
1087
1088         mutex_lock(&rtlpriv->locks.conf_mutex);
1089
1090         /*if Radio On return true here */
1091         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1092
1093         if (valid) {
1094                 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1095                         rtlpriv->rfkill.rfkill_state = radio_state;
1096
1097                         RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1098                                  (KERN_INFO "wireless radio switch turned %s\n",
1099                                   radio_state ? "on" : "off"));
1100
1101                         blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1102                         wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1103                 }
1104         }
1105
1106         mutex_unlock(&rtlpriv->locks.conf_mutex);
1107 }
1108
1109 /* this function is called by mac80211 to flush tx buffer
1110  * before switch channle or power save, or tx buffer packet
1111  * maybe send after offchannel or rf sleep, this may cause
1112  * dis-association by AP */
1113 static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
1114 {
1115         struct rtl_priv *rtlpriv = rtl_priv(hw);
1116
1117         if (rtlpriv->intf_ops->flush)
1118                 rtlpriv->intf_ops->flush(hw, drop);
1119 }
1120
1121 const struct ieee80211_ops rtl_ops = {
1122         .start = rtl_op_start,
1123         .stop = rtl_op_stop,
1124         .tx = rtl_op_tx,
1125         .add_interface = rtl_op_add_interface,
1126         .remove_interface = rtl_op_remove_interface,
1127         .config = rtl_op_config,
1128         .configure_filter = rtl_op_configure_filter,
1129         .sta_add = rtl_op_sta_add,
1130         .sta_remove = rtl_op_sta_remove,
1131         .set_key = rtl_op_set_key,
1132         .conf_tx = rtl_op_conf_tx,
1133         .bss_info_changed = rtl_op_bss_info_changed,
1134         .get_tsf = rtl_op_get_tsf,
1135         .set_tsf = rtl_op_set_tsf,
1136         .reset_tsf = rtl_op_reset_tsf,
1137         .sta_notify = rtl_op_sta_notify,
1138         .ampdu_action = rtl_op_ampdu_action,
1139         .sw_scan_start = rtl_op_sw_scan_start,
1140         .sw_scan_complete = rtl_op_sw_scan_complete,
1141         .rfkill_poll = rtl_op_rfkill_poll,
1142         .flush = rtl_op_flush,
1143 };