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