cris: add arch/cris/include/asm/serial.h
[linux-2.6/next.git] / drivers / net / wireless / rtlwifi / core.c
blob1bdc1aa305c0ea1c48e371da14a31cd9b95a86ed
1 /******************************************************************************
3 * Copyright(c) 2009-2010 Realtek Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
30 #include "wifi.h"
31 #include "core.h"
32 #include "cam.h"
33 #include "base.h"
34 #include "ps.h"
36 /*mutex for start & stop is must here. */
37 static int rtl_op_start(struct ieee80211_hw *hw)
39 int err;
40 struct rtl_priv *rtlpriv = rtl_priv(hw);
41 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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;
55 static void rtl_op_stop(struct ieee80211_hw *hw)
57 struct rtl_priv *rtlpriv = rtl_priv(hw);
58 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
59 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
60 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
62 if (is_hal_stop(rtlhal))
63 return;
65 if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
66 rtl_ips_nic_on(hw);
67 mdelay(1);
70 mutex_lock(&rtlpriv->locks.conf_mutex);
72 mac->link_state = MAC80211_NOLINK;
73 memset(mac->bssid, 0, 6);
74 mac->vendor = PEER_UNKNOWN;
76 /*reset sec info */
77 rtl_cam_reset_sec_info(hw);
79 rtl_deinit_deferred_work(hw);
80 rtlpriv->intf_ops->adapter_stop(hw);
82 mutex_unlock(&rtlpriv->locks.conf_mutex);
85 static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
87 struct rtl_priv *rtlpriv = rtl_priv(hw);
88 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
89 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
90 struct rtl_tcb_desc tcb_desc;
91 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
93 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
94 goto err_free;
96 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
97 goto err_free;
99 if (!rtlpriv->intf_ops->waitq_insert(hw, skb))
100 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
102 return;
104 err_free:
105 dev_kfree_skb_any(skb);
108 static int rtl_op_add_interface(struct ieee80211_hw *hw,
109 struct ieee80211_vif *vif)
111 struct rtl_priv *rtlpriv = rtl_priv(hw);
112 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
113 int err = 0;
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;
121 rtl_ips_nic_on(hw);
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]);
134 break;
135 case NL80211_IFTYPE_ADHOC:
136 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
137 ("NL80211_IFTYPE_ADHOC\n"));
139 mac->link_state = MAC80211_LINKED;
140 rtlpriv->cfg->ops->set_bcn_reg(hw);
141 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
142 mac->basic_rates = 0xfff;
143 else
144 mac->basic_rates = 0xff0;
145 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
146 (u8 *) (&mac->basic_rates));
148 break;
149 case NL80211_IFTYPE_AP:
150 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
151 ("NL80211_IFTYPE_AP\n"));
153 mac->link_state = MAC80211_LINKED;
154 rtlpriv->cfg->ops->set_bcn_reg(hw);
155 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
156 mac->basic_rates = 0xfff;
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;
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);
175 out:
176 mutex_unlock(&rtlpriv->locks.conf_mutex);
177 return err;
180 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
181 struct ieee80211_vif *vif)
183 struct rtl_priv *rtlpriv = rtl_priv(hw);
184 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
186 mutex_lock(&rtlpriv->locks.conf_mutex);
188 /* Free beacon resources */
189 if ((mac->opmode == NL80211_IFTYPE_AP) ||
190 (mac->opmode == NL80211_IFTYPE_ADHOC) ||
191 (mac->opmode == NL80211_IFTYPE_MESH_POINT)) {
192 if (mac->beacon_enabled == 1) {
193 mac->beacon_enabled = 0;
194 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
195 rtlpriv->cfg->maps
196 [RTL_IBSS_INT_MASKS]);
201 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
202 *NO LINK for our hardware.
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);
213 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
215 struct rtl_priv *rtlpriv = rtl_priv(hw);
216 struct rtl_phy *rtlphy = &(rtlpriv->phy);
217 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
218 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
219 struct ieee80211_conf *conf = &hw->conf;
221 mutex_lock(&rtlpriv->locks.conf_mutex);
222 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/
223 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
224 ("IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"));
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 {
235 *although rfoff may not cause by ips, but we will
236 *check the reason in set_rf_power_state function
238 if (unlikely(ppsc->rfpwr_state == ERFOFF))
239 rtl_ips_nic_on(hw);
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;
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));
276 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
277 struct ieee80211_channel *channel = hw->conf.channel;
278 u8 wide_chan = (u8) channel->hw_value;
281 *because we should back channel to
282 *current_network.chan in in scanning,
283 *So if set_chan == current_network.chan
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
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;
305 /*wide channel */
306 wide_chan -= 2;
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;
316 /*wide channel */
317 wide_chan += 2;
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;
327 if (wide_chan <= 0)
328 wide_chan = 1;
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
338 if (rtlpriv->mac80211.offchan_delay) {
339 rtlpriv->mac80211.offchan_delay = false;
340 mdelay(50);
342 rtlphy->current_channel = wide_chan;
344 rtlpriv->cfg->ops->switch_channel(hw);
345 rtlpriv->cfg->ops->set_channel_access(hw);
346 rtlpriv->cfg->ops->set_bw_mode(hw,
347 hw->conf.channel_type);
350 mutex_unlock(&rtlpriv->locks.conf_mutex);
352 return 0;
355 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
356 unsigned int changed_flags,
357 unsigned int *new_flags, u64 multicast)
359 struct rtl_priv *rtlpriv = rtl_priv(hw);
360 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
362 *new_flags &= RTL_SUPPORTED_FILTERS;
363 if (!changed_flags)
364 return;
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"));
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"));
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);
407 if (changed_flags & FIF_CONTROL) {
408 if (*new_flags & FIF_CONTROL) {
409 mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
411 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
412 ("Enable receive control frame.\n"));
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"));
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"));
432 static int rtl_op_sta_add(struct ieee80211_hw *hw,
433 struct ieee80211_vif *vif,
434 struct ieee80211_sta *sta)
436 struct rtl_priv *rtlpriv = rtl_priv(hw);
437 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
438 struct rtl_sta_info *sta_entry;
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;
454 /* I found some times mac80211 give wrong supp_rates for adhoc*/
455 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
456 sta_entry->wireless_mode = WIRELESS_MODE_G;
458 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
459 ("Add sta addr is %pM\n", sta->addr));
460 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
462 return 0;
464 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
465 struct ieee80211_vif *vif,
466 struct ieee80211_sta *sta)
468 struct rtl_priv *rtlpriv = rtl_priv(hw);
469 struct rtl_sta_info *sta_entry;
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;
477 return 0;
479 static int _rtl_get_hal_qnum(u16 queue)
481 int qnum;
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;
500 return qnum;
504 *for mac80211 VO=0, VI=1, BE=2, BK=3
505 *for rtl819x BE=0, BK=1, VI=2, VO=3
507 static int rtl_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
508 const struct ieee80211_tx_queue_params *param)
510 struct rtl_priv *rtlpriv = rtl_priv(hw);
511 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
512 int aci;
514 if (queue >= AC_MAX) {
515 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
516 ("queue number %d is incorrect!\n", queue));
517 return -EINVAL;
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;
530 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
531 struct ieee80211_vif *vif,
532 struct ieee80211_bss_conf *bss_conf, u32 changed)
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;
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"));
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],
559 if (rtlpriv->cfg->ops->linked_set_reg)
560 rtlpriv->cfg->ops->linked_set_reg(hw);
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"));
569 mac->beacon_enabled = 0;
570 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
571 rtlpriv->cfg->maps
572 [RTL_IBSS_INT_MASKS]);
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);
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);
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);
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);
611 mac->link_state = MAC80211_NOLINK;
612 memset(mac->bssid, 0, 6);
613 mac->vendor = PEER_UNKNOWN;
615 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
616 ("BSS_CHANGED_UN_ASSOC\n"));
620 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
621 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
622 ("BSS_CHANGED_ERP_CTS_PROT\n"));
623 mac->use_cts_protect = bss_conf->use_cts_prot;
626 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
627 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
628 ("BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
629 bss_conf->use_short_preamble));
631 mac->short_preamble = bss_conf->use_short_preamble;
632 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
633 (u8 *) (&mac->short_preamble));
636 if (changed & BSS_CHANGED_ERP_SLOT) {
637 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
638 ("BSS_CHANGED_ERP_SLOT\n"));
640 if (bss_conf->use_short_slot)
641 mac->slot_time = RTL_SLOT_TIME_9;
642 else
643 mac->slot_time = RTL_SLOT_TIME_20;
645 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
646 (u8 *) (&mac->slot_time));
649 if (changed & BSS_CHANGED_HT) {
650 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
651 ("BSS_CHANGED_HT\n"));
652 rcu_read_lock();
653 sta = get_sta(hw, vif, bss_conf->bssid);
654 if (sta) {
655 if (sta->ht_cap.ampdu_density >
656 mac->current_ampdu_density)
657 mac->current_ampdu_density =
658 sta->ht_cap.ampdu_density;
659 if (sta->ht_cap.ampdu_factor <
660 mac->current_ampdu_factor)
661 mac->current_ampdu_factor =
662 sta->ht_cap.ampdu_factor;
664 rcu_read_unlock();
666 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
667 (u8 *) (&mac->max_mss_density));
668 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
669 &mac->current_ampdu_factor);
670 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
671 &mac->current_ampdu_density);
674 if (changed & BSS_CHANGED_BSSID) {
675 u32 basic_rates;
677 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
678 (u8 *) bss_conf->bssid);
680 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
681 ("%pM\n", bss_conf->bssid));
683 mac->vendor = PEER_UNKNOWN;
684 memcpy(mac->bssid, bss_conf->bssid, 6);
685 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
687 rcu_read_lock();
688 sta = get_sta(hw, vif, bss_conf->bssid);
689 if (!sta) {
690 rcu_read_unlock();
691 goto out;
694 if (rtlhal->current_bandtype == BAND_ON_5G) {
695 mac->mode = WIRELESS_MODE_A;
696 } else {
697 if (sta->supp_rates[0] <= 0xf)
698 mac->mode = WIRELESS_MODE_B;
699 else
700 mac->mode = WIRELESS_MODE_G;
703 if (sta->ht_cap.ht_supported) {
704 if (rtlhal->current_bandtype == BAND_ON_2_4G)
705 mac->mode = WIRELESS_MODE_N_24G;
706 else
707 mac->mode = WIRELESS_MODE_N_5G;
710 /* just station need it, because ibss & ap mode will
711 * set in sta_add, and will be NULL here */
712 if (mac->opmode == NL80211_IFTYPE_STATION) {
713 struct rtl_sta_info *sta_entry;
714 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
715 sta_entry->wireless_mode = mac->mode;
718 if (sta->ht_cap.ht_supported) {
719 mac->ht_enable = true;
722 * for cisco 1252 bw20 it's wrong
723 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
724 * mac->bw_40 = true;
726 * */
729 if (changed & BSS_CHANGED_BASIC_RATES) {
730 /* for 5G must << RATE_6M_INDEX=4,
731 * because 5G have no cck rate*/
732 if (rtlhal->current_bandtype == BAND_ON_5G)
733 basic_rates = sta->supp_rates[1] << 4;
734 else
735 basic_rates = sta->supp_rates[0];
737 mac->basic_rates = basic_rates;
738 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
739 (u8 *) (&basic_rates));
741 rcu_read_unlock();
745 * For FW LPS:
746 * To tell firmware we have connected
747 * to an AP. For 92SE/CE power save v2.
749 if (changed & BSS_CHANGED_ASSOC) {
750 if (bss_conf->assoc) {
751 if (ppsc->fwctrl_lps) {
752 u8 mstatus = RT_MEDIA_CONNECT;
753 rtlpriv->cfg->ops->set_hw_reg(hw,
754 HW_VAR_H2C_FW_JOINBSSRPT,
755 (u8 *) (&mstatus));
756 ppsc->report_linked = true;
758 } else {
759 if (ppsc->fwctrl_lps) {
760 u8 mstatus = RT_MEDIA_DISCONNECT;
761 rtlpriv->cfg->ops->set_hw_reg(hw,
762 HW_VAR_H2C_FW_JOINBSSRPT,
763 (u8 *)(&mstatus));
764 ppsc->report_linked = false;
769 out:
770 mutex_unlock(&rtlpriv->locks.conf_mutex);
773 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw)
775 struct rtl_priv *rtlpriv = rtl_priv(hw);
776 u64 tsf;
778 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf));
779 return tsf;
782 static void rtl_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
784 struct rtl_priv *rtlpriv = rtl_priv(hw);
785 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
786 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
788 mac->tsf = tsf;
789 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&bibss));
792 static void rtl_op_reset_tsf(struct ieee80211_hw *hw)
794 struct rtl_priv *rtlpriv = rtl_priv(hw);
795 u8 tmp = 0;
797 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *) (&tmp));
800 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
801 struct ieee80211_vif *vif,
802 enum sta_notify_cmd cmd,
803 struct ieee80211_sta *sta)
805 switch (cmd) {
806 case STA_NOTIFY_SLEEP:
807 break;
808 case STA_NOTIFY_AWAKE:
809 break;
810 default:
811 break;
815 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
816 struct ieee80211_vif *vif,
817 enum ieee80211_ampdu_mlme_action action,
818 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
819 u8 buf_size)
821 struct rtl_priv *rtlpriv = rtl_priv(hw);
823 switch (action) {
824 case IEEE80211_AMPDU_TX_START:
825 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
826 ("IEEE80211_AMPDU_TX_START: TID:%d\n", tid));
827 return rtl_tx_agg_start(hw, sta, tid, ssn);
828 break;
829 case IEEE80211_AMPDU_TX_STOP:
830 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
831 ("IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid));
832 return rtl_tx_agg_stop(hw, sta, tid);
833 break;
834 case IEEE80211_AMPDU_TX_OPERATIONAL:
835 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
836 ("IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid));
837 rtl_tx_agg_oper(hw, sta, tid);
838 break;
839 case IEEE80211_AMPDU_RX_START:
840 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
841 ("IEEE80211_AMPDU_RX_START:TID:%d\n", tid));
842 break;
843 case IEEE80211_AMPDU_RX_STOP:
844 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
845 ("IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid));
846 break;
847 default:
848 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
849 ("IEEE80211_AMPDU_ERR!!!!:\n"));
850 return -EOPNOTSUPP;
852 return 0;
855 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
857 struct rtl_priv *rtlpriv = rtl_priv(hw);
858 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
860 mac->act_scanning = true;
862 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n"));
864 if (mac->link_state == MAC80211_LINKED) {
865 rtl_lps_leave(hw);
866 mac->link_state = MAC80211_LINKED_SCANNING;
867 } else {
868 rtl_ips_nic_on(hw);
871 /* Dual mac */
872 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
874 rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
875 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
878 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
880 struct rtl_priv *rtlpriv = rtl_priv(hw);
881 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
883 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n"));
884 mac->act_scanning = false;
885 /* Dual mac */
886 rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
888 if (mac->link_state == MAC80211_LINKED_SCANNING) {
889 mac->link_state = MAC80211_LINKED;
890 if (mac->opmode == NL80211_IFTYPE_STATION) {
891 /* fix fwlps issue */
892 rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
896 rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
899 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
900 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
901 struct ieee80211_key_conf *key)
903 struct rtl_priv *rtlpriv = rtl_priv(hw);
904 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
905 u8 key_type = NO_ENCRYPTION;
906 u8 key_idx;
907 bool group_key = false;
908 bool wep_only = false;
909 int err = 0;
910 u8 mac_addr[ETH_ALEN];
911 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
912 u8 zero_addr[ETH_ALEN] = { 0 };
914 if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
915 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
916 ("not open hw encryption\n"));
917 return -ENOSPC; /*User disabled HW-crypto */
919 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
920 ("%s hardware based encryption for keyidx: %d, mac: %pM\n",
921 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
922 sta ? sta->addr : bcast_addr));
923 rtlpriv->sec.being_setkey = true;
924 rtl_ips_nic_on(hw);
925 mutex_lock(&rtlpriv->locks.conf_mutex);
926 /* <1> get encryption alg */
928 switch (key->cipher) {
929 case WLAN_CIPHER_SUITE_WEP40:
930 key_type = WEP40_ENCRYPTION;
931 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:WEP40\n"));
932 break;
933 case WLAN_CIPHER_SUITE_WEP104:
934 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
935 ("alg:WEP104\n"));
936 key_type = WEP104_ENCRYPTION;
937 break;
938 case WLAN_CIPHER_SUITE_TKIP:
939 key_type = TKIP_ENCRYPTION;
940 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:TKIP\n"));
941 break;
942 case WLAN_CIPHER_SUITE_CCMP:
943 key_type = AESCCMP_ENCRYPTION;
944 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:CCMP\n"));
945 break;
946 default:
947 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
948 ("alg_err:%x!!!!:\n", key->cipher));
949 goto out_unlock;
951 if (key_type == WEP40_ENCRYPTION ||
952 key_type == WEP104_ENCRYPTION ||
953 mac->opmode == NL80211_IFTYPE_ADHOC)
954 rtlpriv->sec.use_defaultkey = true;
956 /* <2> get key_idx */
957 key_idx = (u8) (key->keyidx);
958 if (key_idx > 3)
959 goto out_unlock;
960 /* <3> if pairwise key enable_hw_sec */
961 group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
963 /* wep always be group key, but there are two conditions:
964 * 1) wep only: is just for wep enc, in this condition
965 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
966 * will be true & enable_hw_sec will be set when wep
967 * ke setting.
968 * 2) wep(group) + AES(pairwise): some AP like cisco
969 * may use it, in this condition enable_hw_sec will not
970 * be set when wep key setting */
971 /* we must reset sec_info after lingked before set key,
972 * or some flag will be wrong*/
973 if (mac->opmode == NL80211_IFTYPE_AP) {
974 if (!group_key || key_type == WEP40_ENCRYPTION ||
975 key_type == WEP104_ENCRYPTION) {
976 if (group_key)
977 wep_only = true;
978 rtlpriv->cfg->ops->enable_hw_sec(hw);
980 } else {
981 if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) ||
982 rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
983 if (rtlpriv->sec.pairwise_enc_algorithm ==
984 NO_ENCRYPTION &&
985 (key_type == WEP40_ENCRYPTION ||
986 key_type == WEP104_ENCRYPTION))
987 wep_only = true;
988 rtlpriv->sec.pairwise_enc_algorithm = key_type;
989 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
990 ("set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1"
991 " TKIP:2 AES:4 WEP104:5)\n", key_type));
992 rtlpriv->cfg->ops->enable_hw_sec(hw);
995 /* <4> set key based on cmd */
996 switch (cmd) {
997 case SET_KEY:
998 if (wep_only) {
999 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1000 ("set WEP(group/pairwise) key\n"));
1001 /* Pairwise key with an assigned MAC address. */
1002 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1003 rtlpriv->sec.group_enc_algorithm = key_type;
1004 /*set local buf about wep key. */
1005 memcpy(rtlpriv->sec.key_buf[key_idx],
1006 key->key, key->keylen);
1007 rtlpriv->sec.key_len[key_idx] = key->keylen;
1008 memcpy(mac_addr, zero_addr, ETH_ALEN);
1009 } else if (group_key) { /* group key */
1010 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1011 ("set group key\n"));
1012 /* group key */
1013 rtlpriv->sec.group_enc_algorithm = key_type;
1014 /*set local buf about group key. */
1015 memcpy(rtlpriv->sec.key_buf[key_idx],
1016 key->key, key->keylen);
1017 rtlpriv->sec.key_len[key_idx] = key->keylen;
1018 memcpy(mac_addr, bcast_addr, ETH_ALEN);
1019 } else { /* pairwise key */
1020 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1021 ("set pairwise key\n"));
1022 if (!sta) {
1023 RT_ASSERT(false, ("pairwise key withnot"
1024 "mac_addr\n"));
1026 err = -EOPNOTSUPP;
1027 goto out_unlock;
1029 /* Pairwise key with an assigned MAC address. */
1030 rtlpriv->sec.pairwise_enc_algorithm = key_type;
1031 /*set local buf about pairwise key. */
1032 memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1033 key->key, key->keylen);
1034 rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1035 rtlpriv->sec.pairwise_key =
1036 rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1037 memcpy(mac_addr, sta->addr, ETH_ALEN);
1039 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1040 group_key, key_type, wep_only,
1041 false);
1042 /* <5> tell mac80211 do something: */
1043 /*must use sw generate IV, or can not work !!!!. */
1044 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1045 key->hw_key_idx = key_idx;
1046 if (key_type == TKIP_ENCRYPTION)
1047 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1048 break;
1049 case DISABLE_KEY:
1050 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1051 ("disable key delete one entry\n"));
1052 /*set local buf about wep key. */
1053 if (mac->opmode == NL80211_IFTYPE_AP) {
1054 if (sta)
1055 rtl_cam_del_entry(hw, sta->addr);
1057 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1058 rtlpriv->sec.key_len[key_idx] = 0;
1059 memcpy(mac_addr, zero_addr, ETH_ALEN);
1061 *mac80211 will delete entrys one by one,
1062 *so don't use rtl_cam_reset_all_entry
1063 *or clear all entry here.
1065 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1066 break;
1067 default:
1068 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1069 ("cmd_err:%x!!!!:\n", cmd));
1071 out_unlock:
1072 mutex_unlock(&rtlpriv->locks.conf_mutex);
1073 rtlpriv->sec.being_setkey = false;
1074 return err;
1077 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1079 struct rtl_priv *rtlpriv = rtl_priv(hw);
1081 bool radio_state;
1082 bool blocked;
1083 u8 valid = 0;
1085 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1086 return;
1088 mutex_lock(&rtlpriv->locks.conf_mutex);
1090 /*if Radio On return true here */
1091 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1093 if (valid) {
1094 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1095 rtlpriv->rfkill.rfkill_state = radio_state;
1097 RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1098 (KERN_INFO "wireless radio switch turned %s\n",
1099 radio_state ? "on" : "off"));
1101 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1102 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1106 mutex_unlock(&rtlpriv->locks.conf_mutex);
1109 /* this function is called by mac80211 to flush tx buffer
1110 * before switch channle or power save, or tx buffer packet
1111 * maybe send after offchannel or rf sleep, this may cause
1112 * dis-association by AP */
1113 static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
1115 struct rtl_priv *rtlpriv = rtl_priv(hw);
1117 if (rtlpriv->intf_ops->flush)
1118 rtlpriv->intf_ops->flush(hw, drop);
1121 const struct ieee80211_ops rtl_ops = {
1122 .start = rtl_op_start,
1123 .stop = rtl_op_stop,
1124 .tx = rtl_op_tx,
1125 .add_interface = rtl_op_add_interface,
1126 .remove_interface = rtl_op_remove_interface,
1127 .config = rtl_op_config,
1128 .configure_filter = rtl_op_configure_filter,
1129 .sta_add = rtl_op_sta_add,
1130 .sta_remove = rtl_op_sta_remove,
1131 .set_key = rtl_op_set_key,
1132 .conf_tx = rtl_op_conf_tx,
1133 .bss_info_changed = rtl_op_bss_info_changed,
1134 .get_tsf = rtl_op_get_tsf,
1135 .set_tsf = rtl_op_set_tsf,
1136 .reset_tsf = rtl_op_reset_tsf,
1137 .sta_notify = rtl_op_sta_notify,
1138 .ampdu_action = rtl_op_ampdu_action,
1139 .sw_scan_start = rtl_op_sw_scan_start,
1140 .sw_scan_complete = rtl_op_sw_scan_complete,
1141 .rfkill_poll = rtl_op_rfkill_poll,
1142 .flush = rtl_op_flush,