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mac80211: split TX aggregation stop action
[deliverable/linux.git] / drivers / net / wireless / rtlwifi / core.c
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2012 Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * 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 "pci.h"
35 #include "ps.h"
36
37 #include <linux/export.h>
38
39 void rtl_fw_cb(const struct firmware *firmware, void *context)
40 {
41 struct ieee80211_hw *hw = context;
42 struct rtl_priv *rtlpriv = rtl_priv(hw);
43 int err;
44
45 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
46 "Firmware callback routine entered!\n");
47 complete(&rtlpriv->firmware_loading_complete);
48 if (!firmware) {
49 pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
50 rtlpriv->max_fw_size = 0;
51 return;
52 }
53 if (firmware->size > rtlpriv->max_fw_size) {
54 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
55 "Firmware is too big!\n");
56 release_firmware(firmware);
57 return;
58 }
59 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size);
60 rtlpriv->rtlhal.fwsize = firmware->size;
61 release_firmware(firmware);
62
63 err = ieee80211_register_hw(hw);
64 if (err) {
65 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
66 "Can't register mac80211 hw\n");
67 return;
68 } else {
69 rtlpriv->mac80211.mac80211_registered = 1;
70 }
71 set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
72
73 /*init rfkill */
74 rtl_init_rfkill(hw);
75 }
76 EXPORT_SYMBOL(rtl_fw_cb);
77
78 /*mutex for start & stop is must here. */
79 static int rtl_op_start(struct ieee80211_hw *hw)
80 {
81 int err;
82 struct rtl_priv *rtlpriv = rtl_priv(hw);
83 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
84
85 if (!is_hal_stop(rtlhal))
86 return 0;
87 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
88 return 0;
89 mutex_lock(&rtlpriv->locks.conf_mutex);
90 err = rtlpriv->intf_ops->adapter_start(hw);
91 if (!err)
92 rtl_watch_dog_timer_callback((unsigned long)hw);
93 mutex_unlock(&rtlpriv->locks.conf_mutex);
94 return err;
95 }
96
97 static void rtl_op_stop(struct ieee80211_hw *hw)
98 {
99 struct rtl_priv *rtlpriv = rtl_priv(hw);
100 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
101 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
102 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
103
104 if (is_hal_stop(rtlhal))
105 return;
106
107 if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
108 rtl_ips_nic_on(hw);
109 mdelay(1);
110 }
111
112 mutex_lock(&rtlpriv->locks.conf_mutex);
113
114 mac->link_state = MAC80211_NOLINK;
115 memset(mac->bssid, 0, 6);
116 mac->vendor = PEER_UNKNOWN;
117
118 /*reset sec info */
119 rtl_cam_reset_sec_info(hw);
120
121 rtl_deinit_deferred_work(hw);
122 rtlpriv->intf_ops->adapter_stop(hw);
123
124 mutex_unlock(&rtlpriv->locks.conf_mutex);
125 }
126
127 static void rtl_op_tx(struct ieee80211_hw *hw,
128 struct ieee80211_tx_control *control,
129 struct sk_buff *skb)
130 {
131 struct rtl_priv *rtlpriv = rtl_priv(hw);
132 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
133 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
134 struct rtl_tcb_desc tcb_desc;
135 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
136
137 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
138 goto err_free;
139
140 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
141 goto err_free;
142
143 if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
144 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
145
146 return;
147
148 err_free:
149 dev_kfree_skb_any(skb);
150 }
151
152 static int rtl_op_add_interface(struct ieee80211_hw *hw,
153 struct ieee80211_vif *vif)
154 {
155 struct rtl_priv *rtlpriv = rtl_priv(hw);
156 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
157 int err = 0;
158
159 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
160
161 if (mac->vif) {
162 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
163 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
164 return -EOPNOTSUPP;
165 }
166
167 rtl_ips_nic_on(hw);
168
169 mutex_lock(&rtlpriv->locks.conf_mutex);
170 switch (vif->type) {
171 case NL80211_IFTYPE_STATION:
172 if (mac->beacon_enabled == 1) {
173 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
174 "NL80211_IFTYPE_STATION\n");
175 mac->beacon_enabled = 0;
176 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
177 rtlpriv->cfg->maps
178 [RTL_IBSS_INT_MASKS]);
179 }
180 break;
181 case NL80211_IFTYPE_ADHOC:
182 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
183 "NL80211_IFTYPE_ADHOC\n");
184
185 mac->link_state = MAC80211_LINKED;
186 rtlpriv->cfg->ops->set_bcn_reg(hw);
187 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
188 mac->basic_rates = 0xfff;
189 else
190 mac->basic_rates = 0xff0;
191 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
192 (u8 *) (&mac->basic_rates));
193
194 break;
195 case NL80211_IFTYPE_AP:
196 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
197 "NL80211_IFTYPE_AP\n");
198
199 mac->link_state = MAC80211_LINKED;
200 rtlpriv->cfg->ops->set_bcn_reg(hw);
201 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
202 mac->basic_rates = 0xfff;
203 else
204 mac->basic_rates = 0xff0;
205 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
206 (u8 *) (&mac->basic_rates));
207 break;
208 default:
209 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
210 "operation mode %d is not supported!\n", vif->type);
211 err = -EOPNOTSUPP;
212 goto out;
213 }
214
215 mac->vif = vif;
216 mac->opmode = vif->type;
217 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
218 memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
219 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
220
221 out:
222 mutex_unlock(&rtlpriv->locks.conf_mutex);
223 return err;
224 }
225
226 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
227 struct ieee80211_vif *vif)
228 {
229 struct rtl_priv *rtlpriv = rtl_priv(hw);
230 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
231
232 mutex_lock(&rtlpriv->locks.conf_mutex);
233
234 /* Free beacon resources */
235 if ((mac->opmode == NL80211_IFTYPE_AP) ||
236 (mac->opmode == NL80211_IFTYPE_ADHOC) ||
237 (mac->opmode == NL80211_IFTYPE_MESH_POINT)) {
238 if (mac->beacon_enabled == 1) {
239 mac->beacon_enabled = 0;
240 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
241 rtlpriv->cfg->maps
242 [RTL_IBSS_INT_MASKS]);
243 }
244 }
245
246 /*
247 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
248 *NO LINK for our hardware.
249 */
250 mac->vif = NULL;
251 mac->link_state = MAC80211_NOLINK;
252 memset(mac->bssid, 0, 6);
253 mac->vendor = PEER_UNKNOWN;
254 mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
255 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
256 mutex_unlock(&rtlpriv->locks.conf_mutex);
257 }
258
259 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
260 {
261 struct rtl_priv *rtlpriv = rtl_priv(hw);
262 struct rtl_phy *rtlphy = &(rtlpriv->phy);
263 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
264 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
265 struct ieee80211_conf *conf = &hw->conf;
266
267 mutex_lock(&rtlpriv->locks.conf_mutex);
268 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/
269 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
270 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
271 }
272
273 /*For IPS */
274 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
275 if (hw->conf.flags & IEEE80211_CONF_IDLE)
276 rtl_ips_nic_off(hw);
277 else
278 rtl_ips_nic_on(hw);
279 } else {
280 /*
281 *although rfoff may not cause by ips, but we will
282 *check the reason in set_rf_power_state function
283 */
284 if (unlikely(ppsc->rfpwr_state == ERFOFF))
285 rtl_ips_nic_on(hw);
286 }
287
288 /*For LPS */
289 if (changed & IEEE80211_CONF_CHANGE_PS) {
290 cancel_delayed_work(&rtlpriv->works.ps_work);
291 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
292 if (conf->flags & IEEE80211_CONF_PS) {
293 rtlpriv->psc.sw_ps_enabled = true;
294 /* sleep here is must, or we may recv the beacon and
295 * cause mac80211 into wrong ps state, this will cause
296 * power save nullfunc send fail, and further cause
297 * pkt loss, So sleep must quickly but not immediatly
298 * because that will cause nullfunc send by mac80211
299 * fail, and cause pkt loss, we have tested that 5mA
300 * is worked very well */
301 if (!rtlpriv->psc.multi_buffered)
302 queue_delayed_work(rtlpriv->works.rtl_wq,
303 &rtlpriv->works.ps_work,
304 MSECS(5));
305 } else {
306 rtl_swlps_rf_awake(hw);
307 rtlpriv->psc.sw_ps_enabled = false;
308 }
309 }
310
311 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
312 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
313 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
314 hw->conf.long_frame_max_tx_count);
315 mac->retry_long = hw->conf.long_frame_max_tx_count;
316 mac->retry_short = hw->conf.long_frame_max_tx_count;
317 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
318 (u8 *) (&hw->conf.
319 long_frame_max_tx_count));
320 }
321
322 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
323 struct ieee80211_channel *channel = hw->conf.channel;
324 u8 wide_chan = (u8) channel->hw_value;
325
326 /*
327 *because we should back channel to
328 *current_network.chan in in scanning,
329 *So if set_chan == current_network.chan
330 *we should set it.
331 *because mac80211 tell us wrong bw40
332 *info for cisco1253 bw20, so we modify
333 *it here based on UPPER & LOWER
334 */
335 switch (hw->conf.channel_type) {
336 case NL80211_CHAN_HT20:
337 case NL80211_CHAN_NO_HT:
338 /* SC */
339 mac->cur_40_prime_sc =
340 PRIME_CHNL_OFFSET_DONT_CARE;
341 rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
342 mac->bw_40 = false;
343 break;
344 case NL80211_CHAN_HT40MINUS:
345 /* SC */
346 mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
347 rtlphy->current_chan_bw =
348 HT_CHANNEL_WIDTH_20_40;
349 mac->bw_40 = true;
350
351 /*wide channel */
352 wide_chan -= 2;
353
354 break;
355 case NL80211_CHAN_HT40PLUS:
356 /* SC */
357 mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
358 rtlphy->current_chan_bw =
359 HT_CHANNEL_WIDTH_20_40;
360 mac->bw_40 = true;
361
362 /*wide channel */
363 wide_chan += 2;
364
365 break;
366 default:
367 mac->bw_40 = false;
368 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
369 "switch case not processed\n");
370 break;
371 }
372
373 if (wide_chan <= 0)
374 wide_chan = 1;
375
376 /* In scanning, before we go offchannel we may send a ps=1 null
377 * to AP, and then we may send a ps = 0 null to AP quickly, but
378 * first null may have caused AP to put lots of packet to hw tx
379 * buffer. These packets must be tx'd before we go off channel
380 * so we must delay more time to let AP flush these packets
381 * before going offchannel, or dis-association or delete BA will
382 * happen by AP
383 */
384 if (rtlpriv->mac80211.offchan_delay) {
385 rtlpriv->mac80211.offchan_delay = false;
386 mdelay(50);
387 }
388 rtlphy->current_channel = wide_chan;
389
390 rtlpriv->cfg->ops->switch_channel(hw);
391 rtlpriv->cfg->ops->set_channel_access(hw);
392 rtlpriv->cfg->ops->set_bw_mode(hw,
393 hw->conf.channel_type);
394 }
395
396 mutex_unlock(&rtlpriv->locks.conf_mutex);
397
398 return 0;
399 }
400
401 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
402 unsigned int changed_flags,
403 unsigned int *new_flags, u64 multicast)
404 {
405 struct rtl_priv *rtlpriv = rtl_priv(hw);
406 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
407
408 *new_flags &= RTL_SUPPORTED_FILTERS;
409 if (!changed_flags)
410 return;
411
412 /*TODO: we disable broadcase now, so enable here */
413 if (changed_flags & FIF_ALLMULTI) {
414 if (*new_flags & FIF_ALLMULTI) {
415 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
416 rtlpriv->cfg->maps[MAC_RCR_AB];
417 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
418 "Enable receive multicast frame\n");
419 } else {
420 mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
421 rtlpriv->cfg->maps[MAC_RCR_AB]);
422 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
423 "Disable receive multicast frame\n");
424 }
425 }
426
427 if (changed_flags & FIF_FCSFAIL) {
428 if (*new_flags & FIF_FCSFAIL) {
429 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
430 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
431 "Enable receive FCS error frame\n");
432 } else {
433 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
434 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
435 "Disable receive FCS error frame\n");
436 }
437 }
438
439 /* if ssid not set to hw don't check bssid
440 * here just used for linked scanning, & linked
441 * and nolink check bssid is set in set network_type */
442 if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
443 (mac->link_state >= MAC80211_LINKED)) {
444 if (mac->opmode != NL80211_IFTYPE_AP) {
445 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
446 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
447 } else {
448 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
449 }
450 }
451 }
452
453 if (changed_flags & FIF_CONTROL) {
454 if (*new_flags & FIF_CONTROL) {
455 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
456
457 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
458 "Enable receive control frame\n");
459 } else {
460 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
461 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
462 "Disable receive control frame\n");
463 }
464 }
465
466 if (changed_flags & FIF_OTHER_BSS) {
467 if (*new_flags & FIF_OTHER_BSS) {
468 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
469 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
470 "Enable receive other BSS's frame\n");
471 } else {
472 mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
473 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
474 "Disable receive other BSS's frame\n");
475 }
476 }
477 }
478 static int rtl_op_sta_add(struct ieee80211_hw *hw,
479 struct ieee80211_vif *vif,
480 struct ieee80211_sta *sta)
481 {
482 struct rtl_priv *rtlpriv = rtl_priv(hw);
483 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
484 struct rtl_sta_info *sta_entry;
485
486 if (sta) {
487 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
488 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
489 sta_entry->wireless_mode = WIRELESS_MODE_G;
490 if (sta->supp_rates[0] <= 0xf)
491 sta_entry->wireless_mode = WIRELESS_MODE_B;
492 if (sta->ht_cap.ht_supported)
493 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
494 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
495 sta_entry->wireless_mode = WIRELESS_MODE_A;
496 if (sta->ht_cap.ht_supported)
497 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
498 }
499
500 /* I found some times mac80211 give wrong supp_rates for adhoc*/
501 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
502 sta_entry->wireless_mode = WIRELESS_MODE_G;
503
504 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
505 "Add sta addr is %pM\n", sta->addr);
506 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
507 }
508 return 0;
509 }
510 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
511 struct ieee80211_vif *vif,
512 struct ieee80211_sta *sta)
513 {
514 struct rtl_priv *rtlpriv = rtl_priv(hw);
515 struct rtl_sta_info *sta_entry;
516 if (sta) {
517 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
518 "Remove sta addr is %pM\n", sta->addr);
519 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
520 sta_entry->wireless_mode = 0;
521 sta_entry->ratr_index = 0;
522 }
523 return 0;
524 }
525 static int _rtl_get_hal_qnum(u16 queue)
526 {
527 int qnum;
528
529 switch (queue) {
530 case 0:
531 qnum = AC3_VO;
532 break;
533 case 1:
534 qnum = AC2_VI;
535 break;
536 case 2:
537 qnum = AC0_BE;
538 break;
539 case 3:
540 qnum = AC1_BK;
541 break;
542 default:
543 qnum = AC0_BE;
544 break;
545 }
546 return qnum;
547 }
548
549 /*
550 *for mac80211 VO=0, VI=1, BE=2, BK=3
551 *for rtl819x BE=0, BK=1, VI=2, VO=3
552 */
553 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
554 struct ieee80211_vif *vif, u16 queue,
555 const struct ieee80211_tx_queue_params *param)
556 {
557 struct rtl_priv *rtlpriv = rtl_priv(hw);
558 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
559 int aci;
560
561 if (queue >= AC_MAX) {
562 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
563 "queue number %d is incorrect!\n", queue);
564 return -EINVAL;
565 }
566
567 aci = _rtl_get_hal_qnum(queue);
568 mac->ac[aci].aifs = param->aifs;
569 mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
570 mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
571 mac->ac[aci].tx_op = cpu_to_le16(param->txop);
572 memcpy(&mac->edca_param[aci], param, sizeof(*param));
573 rtlpriv->cfg->ops->set_qos(hw, aci);
574 return 0;
575 }
576
577 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
578 struct ieee80211_vif *vif,
579 struct ieee80211_bss_conf *bss_conf, u32 changed)
580 {
581 struct rtl_priv *rtlpriv = rtl_priv(hw);
582 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
583 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
584 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
585 struct ieee80211_sta *sta = NULL;
586
587 mutex_lock(&rtlpriv->locks.conf_mutex);
588 if ((vif->type == NL80211_IFTYPE_ADHOC) ||
589 (vif->type == NL80211_IFTYPE_AP) ||
590 (vif->type == NL80211_IFTYPE_MESH_POINT)) {
591 if ((changed & BSS_CHANGED_BEACON) ||
592 (changed & BSS_CHANGED_BEACON_ENABLED &&
593 bss_conf->enable_beacon)) {
594 if (mac->beacon_enabled == 0) {
595 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
596 "BSS_CHANGED_BEACON_ENABLED\n");
597
598 /*start hw beacon interrupt. */
599 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
600 mac->beacon_enabled = 1;
601 rtlpriv->cfg->ops->update_interrupt_mask(hw,
602 rtlpriv->cfg->maps
603 [RTL_IBSS_INT_MASKS],
604 0);
605
606 if (rtlpriv->cfg->ops->linked_set_reg)
607 rtlpriv->cfg->ops->linked_set_reg(hw);
608 }
609 }
610 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
611 !bss_conf->enable_beacon)) {
612 if (mac->beacon_enabled == 1) {
613 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
614 "ADHOC DISABLE BEACON\n");
615
616 mac->beacon_enabled = 0;
617 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
618 rtlpriv->cfg->maps
619 [RTL_IBSS_INT_MASKS]);
620 }
621 }
622 if (changed & BSS_CHANGED_BEACON_INT) {
623 RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
624 "BSS_CHANGED_BEACON_INT\n");
625 mac->beacon_interval = bss_conf->beacon_int;
626 rtlpriv->cfg->ops->set_bcn_intv(hw);
627 }
628 }
629
630 /*TODO: reference to enum ieee80211_bss_change */
631 if (changed & BSS_CHANGED_ASSOC) {
632 if (bss_conf->assoc) {
633 /* we should reset all sec info & cam
634 * before set cam after linked, we should not
635 * reset in disassoc, that will cause tkip->wep
636 * fail because some flag will be wrong */
637 /* reset sec info */
638 rtl_cam_reset_sec_info(hw);
639 /* reset cam to fix wep fail issue
640 * when change from wpa to wep */
641 rtl_cam_reset_all_entry(hw);
642
643 mac->link_state = MAC80211_LINKED;
644 mac->cnt_after_linked = 0;
645 mac->assoc_id = bss_conf->aid;
646 memcpy(mac->bssid, bss_conf->bssid, 6);
647
648 if (rtlpriv->cfg->ops->linked_set_reg)
649 rtlpriv->cfg->ops->linked_set_reg(hw);
650 if (mac->opmode == NL80211_IFTYPE_STATION && sta)
651 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
652 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
653 "BSS_CHANGED_ASSOC\n");
654 } else {
655 if (mac->link_state == MAC80211_LINKED)
656 rtl_lps_leave(hw);
657
658 mac->link_state = MAC80211_NOLINK;
659 memset(mac->bssid, 0, 6);
660
661 /* reset sec info */
662 rtl_cam_reset_sec_info(hw);
663
664 rtl_cam_reset_all_entry(hw);
665 mac->vendor = PEER_UNKNOWN;
666
667 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
668 "BSS_CHANGED_UN_ASSOC\n");
669 }
670 }
671
672 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
673 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
674 "BSS_CHANGED_ERP_CTS_PROT\n");
675 mac->use_cts_protect = bss_conf->use_cts_prot;
676 }
677
678 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
679 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
680 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
681 bss_conf->use_short_preamble);
682
683 mac->short_preamble = bss_conf->use_short_preamble;
684 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
685 &mac->short_preamble);
686 }
687
688 if (changed & BSS_CHANGED_ERP_SLOT) {
689 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
690 "BSS_CHANGED_ERP_SLOT\n");
691
692 if (bss_conf->use_short_slot)
693 mac->slot_time = RTL_SLOT_TIME_9;
694 else
695 mac->slot_time = RTL_SLOT_TIME_20;
696
697 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
698 &mac->slot_time);
699 }
700
701 if (changed & BSS_CHANGED_HT) {
702 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "BSS_CHANGED_HT\n");
703 rcu_read_lock();
704 sta = get_sta(hw, vif, bss_conf->bssid);
705 if (sta) {
706 if (sta->ht_cap.ampdu_density >
707 mac->current_ampdu_density)
708 mac->current_ampdu_density =
709 sta->ht_cap.ampdu_density;
710 if (sta->ht_cap.ampdu_factor <
711 mac->current_ampdu_factor)
712 mac->current_ampdu_factor =
713 sta->ht_cap.ampdu_factor;
714 }
715 rcu_read_unlock();
716
717 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
718 &mac->max_mss_density);
719 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
720 &mac->current_ampdu_factor);
721 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
722 &mac->current_ampdu_density);
723 }
724
725 if (changed & BSS_CHANGED_BSSID) {
726 u32 basic_rates;
727
728 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
729 (u8 *) bss_conf->bssid);
730
731 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, "%pM\n",
732 bss_conf->bssid);
733
734 mac->vendor = PEER_UNKNOWN;
735 memcpy(mac->bssid, bss_conf->bssid, 6);
736 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
737
738 rcu_read_lock();
739 sta = get_sta(hw, vif, bss_conf->bssid);
740 if (!sta) {
741 rcu_read_unlock();
742 goto out;
743 }
744
745 if (rtlhal->current_bandtype == BAND_ON_5G) {
746 mac->mode = WIRELESS_MODE_A;
747 } else {
748 if (sta->supp_rates[0] <= 0xf)
749 mac->mode = WIRELESS_MODE_B;
750 else
751 mac->mode = WIRELESS_MODE_G;
752 }
753
754 if (sta->ht_cap.ht_supported) {
755 if (rtlhal->current_bandtype == BAND_ON_2_4G)
756 mac->mode = WIRELESS_MODE_N_24G;
757 else
758 mac->mode = WIRELESS_MODE_N_5G;
759 }
760
761 /* just station need it, because ibss & ap mode will
762 * set in sta_add, and will be NULL here */
763 if (mac->opmode == NL80211_IFTYPE_STATION) {
764 struct rtl_sta_info *sta_entry;
765 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
766 sta_entry->wireless_mode = mac->mode;
767 }
768
769 if (sta->ht_cap.ht_supported) {
770 mac->ht_enable = true;
771
772 /*
773 * for cisco 1252 bw20 it's wrong
774 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
775 * mac->bw_40 = true;
776 * }
777 * */
778 }
779
780 if (changed & BSS_CHANGED_BASIC_RATES) {
781 /* for 5G must << RATE_6M_INDEX=4,
782 * because 5G have no cck rate*/
783 if (rtlhal->current_bandtype == BAND_ON_5G)
784 basic_rates = sta->supp_rates[1] << 4;
785 else
786 basic_rates = sta->supp_rates[0];
787
788 mac->basic_rates = basic_rates;
789 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
790 (u8 *) (&basic_rates));
791 }
792 rcu_read_unlock();
793 }
794
795 /*
796 * For FW LPS:
797 * To tell firmware we have connected
798 * to an AP. For 92SE/CE power save v2.
799 */
800 if (changed & BSS_CHANGED_ASSOC) {
801 if (bss_conf->assoc) {
802 if (ppsc->fwctrl_lps) {
803 u8 mstatus = RT_MEDIA_CONNECT;
804 rtlpriv->cfg->ops->set_hw_reg(hw,
805 HW_VAR_H2C_FW_JOINBSSRPT,
806 &mstatus);
807 ppsc->report_linked = true;
808 }
809 } else {
810 if (ppsc->fwctrl_lps) {
811 u8 mstatus = RT_MEDIA_DISCONNECT;
812 rtlpriv->cfg->ops->set_hw_reg(hw,
813 HW_VAR_H2C_FW_JOINBSSRPT,
814 &mstatus);
815 ppsc->report_linked = false;
816 }
817 }
818 }
819
820 out:
821 mutex_unlock(&rtlpriv->locks.conf_mutex);
822 }
823
824 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
825 {
826 struct rtl_priv *rtlpriv = rtl_priv(hw);
827 u64 tsf;
828
829 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf));
830 return tsf;
831 }
832
833 static void rtl_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
834 u64 tsf)
835 {
836 struct rtl_priv *rtlpriv = rtl_priv(hw);
837 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
838 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
839
840 mac->tsf = tsf;
841 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, &bibss);
842 }
843
844 static void rtl_op_reset_tsf(struct ieee80211_hw *hw,
845 struct ieee80211_vif *vif)
846 {
847 struct rtl_priv *rtlpriv = rtl_priv(hw);
848 u8 tmp = 0;
849
850 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, &tmp);
851 }
852
853 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
854 struct ieee80211_vif *vif,
855 enum sta_notify_cmd cmd,
856 struct ieee80211_sta *sta)
857 {
858 switch (cmd) {
859 case STA_NOTIFY_SLEEP:
860 break;
861 case STA_NOTIFY_AWAKE:
862 break;
863 default:
864 break;
865 }
866 }
867
868 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
869 struct ieee80211_vif *vif,
870 enum ieee80211_ampdu_mlme_action action,
871 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
872 u8 buf_size)
873 {
874 struct rtl_priv *rtlpriv = rtl_priv(hw);
875
876 switch (action) {
877 case IEEE80211_AMPDU_TX_START:
878 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
879 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
880 return rtl_tx_agg_start(hw, sta, tid, ssn);
881 break;
882 case IEEE80211_AMPDU_TX_STOP_CONT:
883 case IEEE80211_AMPDU_TX_STOP_FLUSH:
884 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
885 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
886 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
887 return rtl_tx_agg_stop(hw, sta, tid);
888 break;
889 case IEEE80211_AMPDU_TX_OPERATIONAL:
890 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
891 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
892 rtl_tx_agg_oper(hw, sta, tid);
893 break;
894 case IEEE80211_AMPDU_RX_START:
895 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
896 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
897 break;
898 case IEEE80211_AMPDU_RX_STOP:
899 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
900 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
901 break;
902 default:
903 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
904 "IEEE80211_AMPDU_ERR!!!!:\n");
905 return -EOPNOTSUPP;
906 }
907 return 0;
908 }
909
910 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
911 {
912 struct rtl_priv *rtlpriv = rtl_priv(hw);
913 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
914
915 mac->act_scanning = true;
916
917 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
918
919 if (mac->link_state == MAC80211_LINKED) {
920 rtl_lps_leave(hw);
921 mac->link_state = MAC80211_LINKED_SCANNING;
922 } else {
923 rtl_ips_nic_on(hw);
924 }
925
926 /* Dual mac */
927 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
928
929 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
930 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
931 }
932
933 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
934 {
935 struct rtl_priv *rtlpriv = rtl_priv(hw);
936 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
937
938 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
939 mac->act_scanning = false;
940 /* Dual mac */
941 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
942
943 if (mac->link_state == MAC80211_LINKED_SCANNING) {
944 mac->link_state = MAC80211_LINKED;
945 if (mac->opmode == NL80211_IFTYPE_STATION) {
946 /* fix fwlps issue */
947 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
948 }
949 }
950
951 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
952 }
953
954 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
955 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
956 struct ieee80211_key_conf *key)
957 {
958 struct rtl_priv *rtlpriv = rtl_priv(hw);
959 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
960 u8 key_type = NO_ENCRYPTION;
961 u8 key_idx;
962 bool group_key = false;
963 bool wep_only = false;
964 int err = 0;
965 u8 mac_addr[ETH_ALEN];
966 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
967
968 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
969 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
970 "not open hw encryption\n");
971 return -ENOSPC; /*User disabled HW-crypto */
972 }
973 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
974 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
975 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
976 sta ? sta->addr : bcast_addr);
977 rtlpriv->sec.being_setkey = true;
978 rtl_ips_nic_on(hw);
979 mutex_lock(&rtlpriv->locks.conf_mutex);
980 /* <1> get encryption alg */
981
982 switch (key->cipher) {
983 case WLAN_CIPHER_SUITE_WEP40:
984 key_type = WEP40_ENCRYPTION;
985 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
986 break;
987 case WLAN_CIPHER_SUITE_WEP104:
988 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
989 key_type = WEP104_ENCRYPTION;
990 break;
991 case WLAN_CIPHER_SUITE_TKIP:
992 key_type = TKIP_ENCRYPTION;
993 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
994 break;
995 case WLAN_CIPHER_SUITE_CCMP:
996 key_type = AESCCMP_ENCRYPTION;
997 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
998 break;
999 default:
1000 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "alg_err:%x!!!!\n",
1001 key->cipher);
1002 goto out_unlock;
1003 }
1004 if (key_type == WEP40_ENCRYPTION ||
1005 key_type == WEP104_ENCRYPTION ||
1006 mac->opmode == NL80211_IFTYPE_ADHOC)
1007 rtlpriv->sec.use_defaultkey = true;
1008
1009 /* <2> get key_idx */
1010 key_idx = (u8) (key->keyidx);
1011 if (key_idx > 3)
1012 goto out_unlock;
1013 /* <3> if pairwise key enable_hw_sec */
1014 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1015
1016 /* wep always be group key, but there are two conditions:
1017 * 1) wep only: is just for wep enc, in this condition
1018 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1019 * will be true & enable_hw_sec will be set when wep
1020 * ke setting.
1021 * 2) wep(group) + AES(pairwise): some AP like cisco
1022 * may use it, in this condition enable_hw_sec will not
1023 * be set when wep key setting */
1024 /* we must reset sec_info after lingked before set key,
1025 * or some flag will be wrong*/
1026 if (mac->opmode == NL80211_IFTYPE_AP) {
1027 if (!group_key || key_type == WEP40_ENCRYPTION ||
1028 key_type == WEP104_ENCRYPTION) {
1029 if (group_key)
1030 wep_only = true;
1031 rtlpriv->cfg->ops->enable_hw_sec(hw);
1032 }
1033 } else {
1034 if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) ||
1035 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1036 if (rtlpriv->sec.pairwise_enc_algorithm ==
1037 NO_ENCRYPTION &&
1038 (key_type == WEP40_ENCRYPTION ||
1039 key_type == WEP104_ENCRYPTION))
1040 wep_only = true;
1041 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1042 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1043 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1044 key_type);
1045 rtlpriv->cfg->ops->enable_hw_sec(hw);
1046 }
1047 }
1048 /* <4> set key based on cmd */
1049 switch (cmd) {
1050 case SET_KEY:
1051 if (wep_only) {
1052 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1053 "set WEP(group/pairwise) key\n");
1054 /* Pairwise key with an assigned MAC address. */
1055 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1056 rtlpriv->sec.group_enc_algorithm = key_type;
1057 /*set local buf about wep key. */
1058 memcpy(rtlpriv->sec.key_buf[key_idx],
1059 key->key, key->keylen);
1060 rtlpriv->sec.key_len[key_idx] = key->keylen;
1061 eth_zero_addr(mac_addr);
1062 } else if (group_key) { /* group key */
1063 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1064 "set group key\n");
1065 /* group key */
1066 rtlpriv->sec.group_enc_algorithm = key_type;
1067 /*set local buf about group key. */
1068 memcpy(rtlpriv->sec.key_buf[key_idx],
1069 key->key, key->keylen);
1070 rtlpriv->sec.key_len[key_idx] = key->keylen;
1071 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1072 } else { /* pairwise key */
1073 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1074 "set pairwise key\n");
1075 if (!sta) {
1076 RT_ASSERT(false,
1077 "pairwise key without mac_addr\n");
1078
1079 err = -EOPNOTSUPP;
1080 goto out_unlock;
1081 }
1082 /* Pairwise key with an assigned MAC address. */
1083 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1084 /*set local buf about pairwise key. */
1085 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1086 key->key, key->keylen);
1087 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1088 rtlpriv->sec.pairwise_key =
1089 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1090 memcpy(mac_addr, sta->addr, ETH_ALEN);
1091 }
1092 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1093 group_key, key_type, wep_only,
1094 false);
1095 /* <5> tell mac80211 do something: */
1096 /*must use sw generate IV, or can not work !!!!. */
1097 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1098 key->hw_key_idx = key_idx;
1099 if (key_type == TKIP_ENCRYPTION)
1100 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1101 break;
1102 case DISABLE_KEY:
1103 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1104 "disable key delete one entry\n");
1105 /*set local buf about wep key. */
1106 if (mac->opmode == NL80211_IFTYPE_AP) {
1107 if (sta)
1108 rtl_cam_del_entry(hw, sta->addr);
1109 }
1110 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1111 rtlpriv->sec.key_len[key_idx] = 0;
1112 eth_zero_addr(mac_addr);
1113 /*
1114 *mac80211 will delete entrys one by one,
1115 *so don't use rtl_cam_reset_all_entry
1116 *or clear all entry here.
1117 */
1118 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1119
1120 rtl_cam_reset_sec_info(hw);
1121
1122 break;
1123 default:
1124 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1125 "cmd_err:%x!!!!\n", cmd);
1126 }
1127 out_unlock:
1128 mutex_unlock(&rtlpriv->locks.conf_mutex);
1129 rtlpriv->sec.being_setkey = false;
1130 return err;
1131 }
1132
1133 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1134 {
1135 struct rtl_priv *rtlpriv = rtl_priv(hw);
1136
1137 bool radio_state;
1138 bool blocked;
1139 u8 valid = 0;
1140
1141 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1142 return;
1143
1144 mutex_lock(&rtlpriv->locks.conf_mutex);
1145
1146 /*if Radio On return true here */
1147 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1148
1149 if (valid) {
1150 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1151 rtlpriv->rfkill.rfkill_state = radio_state;
1152
1153 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1154 "wireless radio switch turned %s\n",
1155 radio_state ? "on" : "off");
1156
1157 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1158 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1159 }
1160 }
1161
1162 mutex_unlock(&rtlpriv->locks.conf_mutex);
1163 }
1164
1165 /* this function is called by mac80211 to flush tx buffer
1166 * before switch channle or power save, or tx buffer packet
1167 * maybe send after offchannel or rf sleep, this may cause
1168 * dis-association by AP */
1169 static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
1170 {
1171 struct rtl_priv *rtlpriv = rtl_priv(hw);
1172
1173 if (rtlpriv->intf_ops->flush)
1174 rtlpriv->intf_ops->flush(hw, drop);
1175 }
1176
1177 const struct ieee80211_ops rtl_ops = {
1178 .start = rtl_op_start,
1179 .stop = rtl_op_stop,
1180 .tx = rtl_op_tx,
1181 .add_interface = rtl_op_add_interface,
1182 .remove_interface = rtl_op_remove_interface,
1183 .config = rtl_op_config,
1184 .configure_filter = rtl_op_configure_filter,
1185 .sta_add = rtl_op_sta_add,
1186 .sta_remove = rtl_op_sta_remove,
1187 .set_key = rtl_op_set_key,
1188 .conf_tx = rtl_op_conf_tx,
1189 .bss_info_changed = rtl_op_bss_info_changed,
1190 .get_tsf = rtl_op_get_tsf,
1191 .set_tsf = rtl_op_set_tsf,
1192 .reset_tsf = rtl_op_reset_tsf,
1193 .sta_notify = rtl_op_sta_notify,
1194 .ampdu_action = rtl_op_ampdu_action,
1195 .sw_scan_start = rtl_op_sw_scan_start,
1196 .sw_scan_complete = rtl_op_sw_scan_complete,
1197 .rfkill_poll = rtl_op_rfkill_poll,
1198 .flush = rtl_op_flush,
1199 };
Linux kernel - Deliverables
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