2 * Copyright (c) 2010 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
20 static struct dentry *ath9k_debugfs_root;
27 static void ath_update_txpow(struct ath9k_htc_priv *priv)
29 struct ath_hw *ah = priv->ah;
31 if (priv->curtxpow != priv->txpowlimit) {
32 ath9k_hw_set_txpowerlimit(ah, priv->txpowlimit);
33 /* read back in case value is clamped */
34 priv->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
38 /* HACK Alert: Use 11NG for 2.4, use 11NA for 5 */
39 static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv,
40 struct ath9k_channel *ichan)
42 enum htc_phymode mode;
46 switch (ichan->chanmode) {
49 case CHANNEL_G_HT40PLUS:
50 case CHANNEL_G_HT40MINUS:
55 case CHANNEL_A_HT40PLUS:
56 case CHANNEL_A_HT40MINUS:
66 static bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
67 enum ath9k_power_mode mode)
71 mutex_lock(&priv->htc_pm_lock);
72 ret = ath9k_hw_setpower(priv->ah, mode);
73 mutex_unlock(&priv->htc_pm_lock);
78 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv)
80 mutex_lock(&priv->htc_pm_lock);
81 if (++priv->ps_usecount != 1)
83 ath9k_hw_setpower(priv->ah, ATH9K_PM_AWAKE);
86 mutex_unlock(&priv->htc_pm_lock);
89 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv)
91 mutex_lock(&priv->htc_pm_lock);
92 if (--priv->ps_usecount != 0)
96 ath9k_hw_setpower(priv->ah, ATH9K_PM_FULL_SLEEP);
97 else if (priv->ps_enabled)
98 ath9k_hw_setpower(priv->ah, ATH9K_PM_NETWORK_SLEEP);
101 mutex_unlock(&priv->htc_pm_lock);
104 void ath9k_ps_work(struct work_struct *work)
106 struct ath9k_htc_priv *priv =
107 container_of(work, struct ath9k_htc_priv,
109 ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
111 /* The chip wakes up after receiving the first beacon
112 while network sleep is enabled. For the driver to
113 be in sync with the hw, set the chip to awake and
114 only then set it to sleep.
116 ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP);
119 static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
120 struct ieee80211_hw *hw,
121 struct ath9k_channel *hchan)
123 struct ath_hw *ah = priv->ah;
124 struct ath_common *common = ath9k_hw_common(ah);
125 struct ieee80211_conf *conf = &common->hw->conf;
127 struct ieee80211_channel *channel = hw->conf.channel;
128 struct ath9k_hw_cal_data *caldata;
129 enum htc_phymode mode;
134 if (priv->op_flags & OP_INVALID)
137 if (priv->op_flags & OP_FULL_RESET)
140 /* Fiddle around with fastcc later on, for now just use full reset */
142 ath9k_htc_ps_wakeup(priv);
144 WMI_CMD(WMI_DISABLE_INTR_CMDID);
145 WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
146 WMI_CMD(WMI_STOP_RECV_CMDID);
148 ath_print(common, ATH_DBG_CONFIG,
149 "(%u MHz) -> (%u MHz), HT: %d, HT40: %d\n",
150 priv->ah->curchan->channel,
151 channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf));
153 caldata = &priv->caldata[channel->hw_value];
154 ret = ath9k_hw_reset(ah, hchan, caldata, fastcc);
156 ath_print(common, ATH_DBG_FATAL,
157 "Unable to reset channel (%u Mhz) "
158 "reset status %d\n", channel->center_freq, ret);
162 ath_update_txpow(priv);
164 WMI_CMD(WMI_START_RECV_CMDID);
168 ath9k_host_rx_init(priv);
170 mode = ath9k_htc_get_curmode(priv, hchan);
171 htc_mode = cpu_to_be16(mode);
172 WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);
176 WMI_CMD(WMI_ENABLE_INTR_CMDID);
180 htc_start(priv->htc);
182 priv->op_flags &= ~OP_FULL_RESET;
184 ath9k_htc_ps_restore(priv);
188 static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv)
190 struct ath_common *common = ath9k_hw_common(priv->ah);
191 struct ath9k_htc_target_vif hvif;
198 memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
199 memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
201 hvif.opmode = cpu_to_be32(HTC_M_MONITOR);
202 priv->ah->opmode = NL80211_IFTYPE_MONITOR;
203 hvif.index = priv->nvifs;
205 WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif);
213 static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
215 struct ath_common *common = ath9k_hw_common(priv->ah);
216 struct ath9k_htc_target_vif hvif;
220 memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
221 memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
222 hvif.index = 0; /* Should do for now */
223 WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
229 static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
230 struct ieee80211_vif *vif,
231 struct ieee80211_sta *sta)
233 struct ath_common *common = ath9k_hw_common(priv->ah);
234 struct ath9k_htc_target_sta tsta;
235 struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv;
236 struct ath9k_htc_sta *ista;
240 if (priv->nstations >= ATH9K_HTC_MAX_STA)
243 memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta));
246 ista = (struct ath9k_htc_sta *) sta->drv_priv;
247 memcpy(&tsta.macaddr, sta->addr, ETH_ALEN);
248 memcpy(&tsta.bssid, common->curbssid, ETH_ALEN);
249 tsta.associd = common->curaid;
252 ista->index = priv->nstations;
254 memcpy(&tsta.macaddr, vif->addr, ETH_ALEN);
258 tsta.sta_index = priv->nstations;
259 tsta.vif_index = avp->index;
260 tsta.maxampdu = 0xffff;
261 if (sta && sta->ht_cap.ht_supported)
262 tsta.flags = cpu_to_be16(ATH_HTC_STA_HT);
264 WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta);
267 ath_print(common, ATH_DBG_FATAL,
268 "Unable to add station entry for: %pM\n", sta->addr);
273 ath_print(common, ATH_DBG_CONFIG,
274 "Added a station entry for: %pM (idx: %d)\n",
275 sta->addr, tsta.sta_index);
281 static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv,
282 struct ieee80211_vif *vif,
283 struct ieee80211_sta *sta)
285 struct ath_common *common = ath9k_hw_common(priv->ah);
286 struct ath9k_htc_sta *ista;
291 ista = (struct ath9k_htc_sta *) sta->drv_priv;
292 sta_idx = ista->index;
297 WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx);
300 ath_print(common, ATH_DBG_FATAL,
301 "Unable to remove station entry for: %pM\n",
307 ath_print(common, ATH_DBG_CONFIG,
308 "Removed a station entry for: %pM (idx: %d)\n",
315 static int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv)
317 struct ath9k_htc_cap_target tcap;
321 memset(&tcap, 0, sizeof(struct ath9k_htc_cap_target));
323 /* FIXME: Values are hardcoded */
324 tcap.flags = 0x240c40;
325 tcap.flags_ext = 0x80601000;
326 tcap.ampdu_limit = 0xffff0000;
327 tcap.ampdu_subframes = 20;
328 tcap.tx_chainmask_legacy = priv->ah->caps.tx_chainmask;
330 tcap.tx_chainmask = priv->ah->caps.tx_chainmask;
332 WMI_CMD_BUF(WMI_TARGET_IC_UPDATE_CMDID, &tcap);
337 static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv,
338 struct ieee80211_sta *sta,
339 struct ath9k_htc_target_rate *trate)
341 struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
342 struct ieee80211_supported_band *sband;
346 sband = priv->hw->wiphy->bands[priv->hw->conf.channel->band];
348 for (i = 0, j = 0; i < sband->n_bitrates; i++) {
349 if (sta->supp_rates[sband->band] & BIT(i)) {
350 trate->rates.legacy_rates.rs_rates[j]
351 = (sband->bitrates[i].bitrate * 2) / 10;
355 trate->rates.legacy_rates.rs_nrates = j;
357 if (sta->ht_cap.ht_supported) {
358 for (i = 0, j = 0; i < 77; i++) {
359 if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8)))
360 trate->rates.ht_rates.rs_rates[j++] = i;
361 if (j == ATH_HTC_RATE_MAX)
364 trate->rates.ht_rates.rs_nrates = j;
366 caps = WLAN_RC_HT_FLAG;
367 if (sta->ht_cap.mcs.rx_mask[1])
368 caps |= WLAN_RC_DS_FLAG;
369 if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
370 (conf_is_ht40(&priv->hw->conf)))
371 caps |= WLAN_RC_40_FLAG;
372 if (conf_is_ht40(&priv->hw->conf) &&
373 (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40))
374 caps |= WLAN_RC_SGI_FLAG;
375 else if (conf_is_ht20(&priv->hw->conf) &&
376 (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20))
377 caps |= WLAN_RC_SGI_FLAG;
380 trate->sta_index = ista->index;
382 trate->capflags = cpu_to_be32(caps);
385 static int ath9k_htc_send_rate_cmd(struct ath9k_htc_priv *priv,
386 struct ath9k_htc_target_rate *trate)
388 struct ath_common *common = ath9k_hw_common(priv->ah);
392 WMI_CMD_BUF(WMI_RC_RATE_UPDATE_CMDID, trate);
394 ath_print(common, ATH_DBG_FATAL,
395 "Unable to initialize Rate information on target\n");
401 static void ath9k_htc_init_rate(struct ath9k_htc_priv *priv,
402 struct ieee80211_sta *sta)
404 struct ath_common *common = ath9k_hw_common(priv->ah);
405 struct ath9k_htc_target_rate trate;
408 memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
409 ath9k_htc_setup_rate(priv, sta, &trate);
410 ret = ath9k_htc_send_rate_cmd(priv, &trate);
412 ath_print(common, ATH_DBG_CONFIG,
413 "Updated target sta: %pM, rate caps: 0x%X\n",
414 sta->addr, be32_to_cpu(trate.capflags));
417 static void ath9k_htc_update_rate(struct ath9k_htc_priv *priv,
418 struct ieee80211_vif *vif,
419 struct ieee80211_bss_conf *bss_conf)
421 struct ath_common *common = ath9k_hw_common(priv->ah);
422 struct ath9k_htc_target_rate trate;
423 struct ieee80211_sta *sta;
426 memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
429 sta = ieee80211_find_sta(vif, bss_conf->bssid);
434 ath9k_htc_setup_rate(priv, sta, &trate);
437 ret = ath9k_htc_send_rate_cmd(priv, &trate);
439 ath_print(common, ATH_DBG_CONFIG,
440 "Updated target sta: %pM, rate caps: 0x%X\n",
441 bss_conf->bssid, be32_to_cpu(trate.capflags));
444 static int ath9k_htc_tx_aggr_oper(struct ath9k_htc_priv *priv,
445 struct ieee80211_vif *vif,
446 struct ieee80211_sta *sta,
447 enum ieee80211_ampdu_mlme_action action,
450 struct ath_common *common = ath9k_hw_common(priv->ah);
451 struct ath9k_htc_target_aggr aggr;
452 struct ath9k_htc_sta *ista;
456 if (tid >= ATH9K_HTC_MAX_TID)
459 memset(&aggr, 0, sizeof(struct ath9k_htc_target_aggr));
460 ista = (struct ath9k_htc_sta *) sta->drv_priv;
462 aggr.sta_index = ista->index;
463 aggr.tidno = tid & 0xf;
464 aggr.aggr_enable = (action == IEEE80211_AMPDU_TX_START) ? true : false;
466 WMI_CMD_BUF(WMI_TX_AGGR_ENABLE_CMDID, &aggr);
468 ath_print(common, ATH_DBG_CONFIG,
469 "Unable to %s TX aggregation for (%pM, %d)\n",
470 (aggr.aggr_enable) ? "start" : "stop", sta->addr, tid);
472 ath_print(common, ATH_DBG_CONFIG,
473 "%s TX aggregation for (%pM, %d)\n",
474 (aggr.aggr_enable) ? "Starting" : "Stopping",
477 spin_lock_bh(&priv->tx_lock);
478 ista->tid_state[tid] = (aggr.aggr_enable && !ret) ? AGGR_START : AGGR_STOP;
479 spin_unlock_bh(&priv->tx_lock);
488 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
490 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
492 file->private_data = inode->i_private;
496 static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
497 size_t count, loff_t *ppos)
499 struct ath9k_htc_priv *priv = file->private_data;
500 struct ath9k_htc_target_stats cmd_rsp;
502 unsigned int len = 0;
505 memset(&cmd_rsp, 0, sizeof(cmd_rsp));
507 WMI_CMD(WMI_TGT_STATS_CMDID);
512 len += snprintf(buf + len, sizeof(buf) - len,
513 "%19s : %10u\n", "TX Short Retries",
514 be32_to_cpu(cmd_rsp.tx_shortretry));
515 len += snprintf(buf + len, sizeof(buf) - len,
516 "%19s : %10u\n", "TX Long Retries",
517 be32_to_cpu(cmd_rsp.tx_longretry));
518 len += snprintf(buf + len, sizeof(buf) - len,
519 "%19s : %10u\n", "TX Xretries",
520 be32_to_cpu(cmd_rsp.tx_xretries));
521 len += snprintf(buf + len, sizeof(buf) - len,
522 "%19s : %10u\n", "TX Unaggr. Xretries",
523 be32_to_cpu(cmd_rsp.ht_txunaggr_xretry));
524 len += snprintf(buf + len, sizeof(buf) - len,
525 "%19s : %10u\n", "TX Xretries (HT)",
526 be32_to_cpu(cmd_rsp.ht_tx_xretries));
527 len += snprintf(buf + len, sizeof(buf) - len,
528 "%19s : %10u\n", "TX Rate", priv->debug.txrate);
530 if (len > sizeof(buf))
533 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
536 static const struct file_operations fops_tgt_stats = {
537 .read = read_file_tgt_stats,
538 .open = ath9k_debugfs_open,
539 .owner = THIS_MODULE,
540 .llseek = default_llseek,
543 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
544 size_t count, loff_t *ppos)
546 struct ath9k_htc_priv *priv = file->private_data;
548 unsigned int len = 0;
550 len += snprintf(buf + len, sizeof(buf) - len,
551 "%20s : %10u\n", "Buffers queued",
552 priv->debug.tx_stats.buf_queued);
553 len += snprintf(buf + len, sizeof(buf) - len,
554 "%20s : %10u\n", "Buffers completed",
555 priv->debug.tx_stats.buf_completed);
556 len += snprintf(buf + len, sizeof(buf) - len,
557 "%20s : %10u\n", "SKBs queued",
558 priv->debug.tx_stats.skb_queued);
559 len += snprintf(buf + len, sizeof(buf) - len,
560 "%20s : %10u\n", "SKBs completed",
561 priv->debug.tx_stats.skb_completed);
562 len += snprintf(buf + len, sizeof(buf) - len,
563 "%20s : %10u\n", "SKBs dropped",
564 priv->debug.tx_stats.skb_dropped);
566 len += snprintf(buf + len, sizeof(buf) - len,
567 "%20s : %10u\n", "BE queued",
568 priv->debug.tx_stats.queue_stats[WME_AC_BE]);
569 len += snprintf(buf + len, sizeof(buf) - len,
570 "%20s : %10u\n", "BK queued",
571 priv->debug.tx_stats.queue_stats[WME_AC_BK]);
572 len += snprintf(buf + len, sizeof(buf) - len,
573 "%20s : %10u\n", "VI queued",
574 priv->debug.tx_stats.queue_stats[WME_AC_VI]);
575 len += snprintf(buf + len, sizeof(buf) - len,
576 "%20s : %10u\n", "VO queued",
577 priv->debug.tx_stats.queue_stats[WME_AC_VO]);
579 if (len > sizeof(buf))
582 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
585 static const struct file_operations fops_xmit = {
586 .read = read_file_xmit,
587 .open = ath9k_debugfs_open,
588 .owner = THIS_MODULE,
589 .llseek = default_llseek,
592 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
593 size_t count, loff_t *ppos)
595 struct ath9k_htc_priv *priv = file->private_data;
597 unsigned int len = 0;
599 len += snprintf(buf + len, sizeof(buf) - len,
600 "%20s : %10u\n", "SKBs allocated",
601 priv->debug.rx_stats.skb_allocated);
602 len += snprintf(buf + len, sizeof(buf) - len,
603 "%20s : %10u\n", "SKBs completed",
604 priv->debug.rx_stats.skb_completed);
605 len += snprintf(buf + len, sizeof(buf) - len,
606 "%20s : %10u\n", "SKBs Dropped",
607 priv->debug.rx_stats.skb_dropped);
609 if (len > sizeof(buf))
612 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
615 static const struct file_operations fops_recv = {
616 .read = read_file_recv,
617 .open = ath9k_debugfs_open,
618 .owner = THIS_MODULE,
619 .llseek = default_llseek,
622 int ath9k_htc_init_debug(struct ath_hw *ah)
624 struct ath_common *common = ath9k_hw_common(ah);
625 struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
627 if (!ath9k_debugfs_root)
630 priv->debug.debugfs_phy = debugfs_create_dir(wiphy_name(priv->hw->wiphy),
632 if (!priv->debug.debugfs_phy)
635 priv->debug.debugfs_tgt_stats = debugfs_create_file("tgt_stats", S_IRUSR,
636 priv->debug.debugfs_phy,
637 priv, &fops_tgt_stats);
638 if (!priv->debug.debugfs_tgt_stats)
642 priv->debug.debugfs_xmit = debugfs_create_file("xmit", S_IRUSR,
643 priv->debug.debugfs_phy,
645 if (!priv->debug.debugfs_xmit)
648 priv->debug.debugfs_recv = debugfs_create_file("recv", S_IRUSR,
649 priv->debug.debugfs_phy,
651 if (!priv->debug.debugfs_recv)
657 ath9k_htc_exit_debug(ah);
661 void ath9k_htc_exit_debug(struct ath_hw *ah)
663 struct ath_common *common = ath9k_hw_common(ah);
664 struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
666 debugfs_remove(priv->debug.debugfs_recv);
667 debugfs_remove(priv->debug.debugfs_xmit);
668 debugfs_remove(priv->debug.debugfs_tgt_stats);
669 debugfs_remove(priv->debug.debugfs_phy);
672 int ath9k_htc_debug_create_root(void)
674 ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
675 if (!ath9k_debugfs_root)
681 void ath9k_htc_debug_remove_root(void)
683 debugfs_remove(ath9k_debugfs_root);
684 ath9k_debugfs_root = NULL;
687 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
693 static void ath_start_ani(struct ath9k_htc_priv *priv)
695 struct ath_common *common = ath9k_hw_common(priv->ah);
696 unsigned long timestamp = jiffies_to_msecs(jiffies);
698 common->ani.longcal_timer = timestamp;
699 common->ani.shortcal_timer = timestamp;
700 common->ani.checkani_timer = timestamp;
702 ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work,
703 msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
706 void ath9k_ani_work(struct work_struct *work)
708 struct ath9k_htc_priv *priv =
709 container_of(work, struct ath9k_htc_priv,
710 ath9k_ani_work.work);
711 struct ath_hw *ah = priv->ah;
712 struct ath_common *common = ath9k_hw_common(ah);
713 bool longcal = false;
714 bool shortcal = false;
715 bool aniflag = false;
716 unsigned int timestamp = jiffies_to_msecs(jiffies);
717 u32 cal_interval, short_cal_interval;
719 short_cal_interval = ATH_STA_SHORT_CALINTERVAL;
721 /* Only calibrate if awake */
722 if (ah->power_mode != ATH9K_PM_AWAKE)
725 /* Long calibration runs independently of short calibration. */
726 if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
728 ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
729 common->ani.longcal_timer = timestamp;
732 /* Short calibration applies only while caldone is false */
733 if (!common->ani.caldone) {
734 if ((timestamp - common->ani.shortcal_timer) >=
735 short_cal_interval) {
737 ath_print(common, ATH_DBG_ANI,
738 "shortcal @%lu\n", jiffies);
739 common->ani.shortcal_timer = timestamp;
740 common->ani.resetcal_timer = timestamp;
743 if ((timestamp - common->ani.resetcal_timer) >=
744 ATH_RESTART_CALINTERVAL) {
745 common->ani.caldone = ath9k_hw_reset_calvalid(ah);
746 if (common->ani.caldone)
747 common->ani.resetcal_timer = timestamp;
751 /* Verify whether we must check ANI */
752 if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
754 common->ani.checkani_timer = timestamp;
757 /* Skip all processing if there's nothing to do. */
758 if (longcal || shortcal || aniflag) {
760 ath9k_htc_ps_wakeup(priv);
762 /* Call ANI routine if necessary */
764 ath9k_hw_ani_monitor(ah, ah->curchan);
766 /* Perform calibration if necessary */
767 if (longcal || shortcal) {
768 common->ani.caldone =
769 ath9k_hw_calibrate(ah, ah->curchan,
770 common->rx_chainmask,
774 common->ani.noise_floor =
775 ath9k_hw_getchan_noise(ah, ah->curchan);
777 ath_print(common, ATH_DBG_ANI,
778 " calibrate chan %u/%x nf: %d\n",
779 ah->curchan->channel,
780 ah->curchan->channelFlags,
781 common->ani.noise_floor);
784 ath9k_htc_ps_restore(priv);
789 * Set timer interval based on previous results.
790 * The interval must be the shortest necessary to satisfy ANI,
791 * short calibration and long calibration.
793 cal_interval = ATH_LONG_CALINTERVAL;
794 if (priv->ah->config.enable_ani)
795 cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
796 if (!common->ani.caldone)
797 cal_interval = min(cal_interval, (u32)short_cal_interval);
799 ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work,
800 msecs_to_jiffies(cal_interval));
807 static void ath9k_led_blink_work(struct work_struct *work)
809 struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv,
810 ath9k_led_blink_work.work);
812 if (!(priv->op_flags & OP_LED_ASSOCIATED))
815 if ((priv->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
816 (priv->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
817 ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0);
819 ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin,
820 (priv->op_flags & OP_LED_ON) ? 1 : 0);
822 ieee80211_queue_delayed_work(priv->hw,
823 &priv->ath9k_led_blink_work,
824 (priv->op_flags & OP_LED_ON) ?
825 msecs_to_jiffies(priv->led_off_duration) :
826 msecs_to_jiffies(priv->led_on_duration));
828 priv->led_on_duration = priv->led_on_cnt ?
829 max((ATH_LED_ON_DURATION_IDLE - priv->led_on_cnt), 25) :
830 ATH_LED_ON_DURATION_IDLE;
831 priv->led_off_duration = priv->led_off_cnt ?
832 max((ATH_LED_OFF_DURATION_IDLE - priv->led_off_cnt), 10) :
833 ATH_LED_OFF_DURATION_IDLE;
834 priv->led_on_cnt = priv->led_off_cnt = 0;
836 if (priv->op_flags & OP_LED_ON)
837 priv->op_flags &= ~OP_LED_ON;
839 priv->op_flags |= OP_LED_ON;
842 static void ath9k_led_brightness_work(struct work_struct *work)
844 struct ath_led *led = container_of(work, struct ath_led,
845 brightness_work.work);
846 struct ath9k_htc_priv *priv = led->priv;
848 switch (led->brightness) {
850 if (led->led_type == ATH_LED_ASSOC ||
851 led->led_type == ATH_LED_RADIO) {
852 ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin,
853 (led->led_type == ATH_LED_RADIO));
854 priv->op_flags &= ~OP_LED_ASSOCIATED;
855 if (led->led_type == ATH_LED_RADIO)
856 priv->op_flags &= ~OP_LED_ON;
862 if (led->led_type == ATH_LED_ASSOC) {
863 priv->op_flags |= OP_LED_ASSOCIATED;
864 ieee80211_queue_delayed_work(priv->hw,
865 &priv->ath9k_led_blink_work, 0);
866 } else if (led->led_type == ATH_LED_RADIO) {
867 ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0);
868 priv->op_flags |= OP_LED_ON;
878 static void ath9k_led_brightness(struct led_classdev *led_cdev,
879 enum led_brightness brightness)
881 struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
882 struct ath9k_htc_priv *priv = led->priv;
884 led->brightness = brightness;
885 if (!(priv->op_flags & OP_LED_DEINIT))
886 ieee80211_queue_delayed_work(priv->hw,
887 &led->brightness_work, 0);
890 static void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv)
892 cancel_delayed_work_sync(&priv->radio_led.brightness_work);
893 cancel_delayed_work_sync(&priv->assoc_led.brightness_work);
894 cancel_delayed_work_sync(&priv->tx_led.brightness_work);
895 cancel_delayed_work_sync(&priv->rx_led.brightness_work);
898 static int ath9k_register_led(struct ath9k_htc_priv *priv, struct ath_led *led,
904 led->led_cdev.name = led->name;
905 led->led_cdev.default_trigger = trigger;
906 led->led_cdev.brightness_set = ath9k_led_brightness;
908 ret = led_classdev_register(wiphy_dev(priv->hw->wiphy), &led->led_cdev);
910 ath_print(ath9k_hw_common(priv->ah), ATH_DBG_FATAL,
911 "Failed to register led:%s", led->name);
915 INIT_DELAYED_WORK(&led->brightness_work, ath9k_led_brightness_work);
920 static void ath9k_unregister_led(struct ath_led *led)
922 if (led->registered) {
923 led_classdev_unregister(&led->led_cdev);
928 void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
930 priv->op_flags |= OP_LED_DEINIT;
931 ath9k_unregister_led(&priv->assoc_led);
932 priv->op_flags &= ~OP_LED_ASSOCIATED;
933 ath9k_unregister_led(&priv->tx_led);
934 ath9k_unregister_led(&priv->rx_led);
935 ath9k_unregister_led(&priv->radio_led);
938 void ath9k_init_leds(struct ath9k_htc_priv *priv)
943 if (AR_SREV_9287(priv->ah))
944 priv->ah->led_pin = ATH_LED_PIN_9287;
945 else if (AR_SREV_9271(priv->ah))
946 priv->ah->led_pin = ATH_LED_PIN_9271;
947 else if (AR_DEVID_7010(priv->ah))
948 priv->ah->led_pin = ATH_LED_PIN_7010;
950 priv->ah->led_pin = ATH_LED_PIN_DEF;
952 /* Configure gpio 1 for output */
953 ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin,
954 AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
955 /* LED off, active low */
956 ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1);
958 INIT_DELAYED_WORK(&priv->ath9k_led_blink_work, ath9k_led_blink_work);
960 trigger = ieee80211_get_radio_led_name(priv->hw);
961 snprintf(priv->radio_led.name, sizeof(priv->radio_led.name),
962 "ath9k-%s::radio", wiphy_name(priv->hw->wiphy));
963 ret = ath9k_register_led(priv, &priv->radio_led, trigger);
964 priv->radio_led.led_type = ATH_LED_RADIO;
968 trigger = ieee80211_get_assoc_led_name(priv->hw);
969 snprintf(priv->assoc_led.name, sizeof(priv->assoc_led.name),
970 "ath9k-%s::assoc", wiphy_name(priv->hw->wiphy));
971 ret = ath9k_register_led(priv, &priv->assoc_led, trigger);
972 priv->assoc_led.led_type = ATH_LED_ASSOC;
976 trigger = ieee80211_get_tx_led_name(priv->hw);
977 snprintf(priv->tx_led.name, sizeof(priv->tx_led.name),
978 "ath9k-%s::tx", wiphy_name(priv->hw->wiphy));
979 ret = ath9k_register_led(priv, &priv->tx_led, trigger);
980 priv->tx_led.led_type = ATH_LED_TX;
984 trigger = ieee80211_get_rx_led_name(priv->hw);
985 snprintf(priv->rx_led.name, sizeof(priv->rx_led.name),
986 "ath9k-%s::rx", wiphy_name(priv->hw->wiphy));
987 ret = ath9k_register_led(priv, &priv->rx_led, trigger);
988 priv->rx_led.led_type = ATH_LED_RX;
992 priv->op_flags &= ~OP_LED_DEINIT;
997 cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
998 ath9k_deinit_leds(priv);
1001 /*******************/
1003 /*******************/
1005 static bool ath_is_rfkill_set(struct ath9k_htc_priv *priv)
1007 return ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) ==
1008 priv->ah->rfkill_polarity;
1011 static void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw)
1013 struct ath9k_htc_priv *priv = hw->priv;
1014 bool blocked = !!ath_is_rfkill_set(priv);
1016 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1019 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv)
1021 if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
1022 wiphy_rfkill_start_polling(priv->hw->wiphy);
1025 static void ath9k_htc_radio_enable(struct ieee80211_hw *hw)
1027 struct ath9k_htc_priv *priv = hw->priv;
1028 struct ath_hw *ah = priv->ah;
1029 struct ath_common *common = ath9k_hw_common(ah);
1034 ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
1037 ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
1039 ath_print(common, ATH_DBG_FATAL,
1040 "Unable to reset hardware; reset status %d "
1041 "(freq %u MHz)\n", ret, ah->curchan->channel);
1044 ath_update_txpow(priv);
1047 WMI_CMD(WMI_START_RECV_CMDID);
1048 ath9k_host_rx_init(priv);
1051 htc_start(priv->htc);
1052 spin_lock_bh(&priv->tx_lock);
1053 priv->tx_queues_stop = false;
1054 spin_unlock_bh(&priv->tx_lock);
1055 ieee80211_wake_queues(hw);
1057 WMI_CMD(WMI_ENABLE_INTR_CMDID);
1060 ath9k_hw_cfg_output(ah, ah->led_pin,
1061 AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
1062 ath9k_hw_set_gpio(ah, ah->led_pin, 0);
1065 static void ath9k_htc_radio_disable(struct ieee80211_hw *hw)
1067 struct ath9k_htc_priv *priv = hw->priv;
1068 struct ath_hw *ah = priv->ah;
1069 struct ath_common *common = ath9k_hw_common(ah);
1073 ath9k_htc_ps_wakeup(priv);
1076 ath9k_hw_set_gpio(ah, ah->led_pin, 1);
1077 ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
1079 WMI_CMD(WMI_DISABLE_INTR_CMDID);
1082 ieee80211_stop_queues(hw);
1083 htc_stop(priv->htc);
1084 WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
1085 skb_queue_purge(&priv->tx_queue);
1088 WMI_CMD(WMI_STOP_RECV_CMDID);
1091 * The MIB counters have to be disabled here,
1092 * since the target doesn't do it.
1094 ath9k_hw_disable_mib_counters(ah);
1097 ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
1100 ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
1102 ath_print(common, ATH_DBG_FATAL,
1103 "Unable to reset hardware; reset status %d "
1104 "(freq %u MHz)\n", ret, ah->curchan->channel);
1107 /* Disable the PHY */
1108 ath9k_hw_phy_disable(ah);
1110 ath9k_htc_ps_restore(priv);
1111 ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);
1114 /**********************/
1115 /* mac80211 Callbacks */
1116 /**********************/
1118 static int ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
1120 struct ieee80211_hdr *hdr;
1121 struct ath9k_htc_priv *priv = hw->priv;
1122 int padpos, padsize, ret;
1124 hdr = (struct ieee80211_hdr *) skb->data;
1126 /* Add the padding after the header if this is not already done */
1127 padpos = ath9k_cmn_padpos(hdr->frame_control);
1128 padsize = padpos & 3;
1129 if (padsize && skb->len > padpos) {
1130 if (skb_headroom(skb) < padsize)
1132 skb_push(skb, padsize);
1133 memmove(skb->data, skb->data + padsize, padpos);
1136 ret = ath9k_htc_tx_start(priv, skb);
1138 if (ret == -ENOMEM) {
1139 ath_print(ath9k_hw_common(priv->ah), ATH_DBG_XMIT,
1140 "Stopping TX queues\n");
1141 ieee80211_stop_queues(hw);
1142 spin_lock_bh(&priv->tx_lock);
1143 priv->tx_queues_stop = true;
1144 spin_unlock_bh(&priv->tx_lock);
1146 ath_print(ath9k_hw_common(priv->ah), ATH_DBG_XMIT,
1155 dev_kfree_skb_any(skb);
1159 static int ath9k_htc_start(struct ieee80211_hw *hw)
1161 struct ath9k_htc_priv *priv = hw->priv;
1162 struct ath_hw *ah = priv->ah;
1163 struct ath_common *common = ath9k_hw_common(ah);
1164 struct ieee80211_channel *curchan = hw->conf.channel;
1165 struct ath9k_channel *init_channel;
1167 enum htc_phymode mode;
1171 mutex_lock(&priv->mutex);
1173 ath_print(common, ATH_DBG_CONFIG,
1174 "Starting driver with initial channel: %d MHz\n",
1175 curchan->center_freq);
1177 /* Ensure that HW is awake before flushing RX */
1178 ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
1179 WMI_CMD(WMI_FLUSH_RECV_CMDID);
1181 /* setup initial channel */
1182 init_channel = ath9k_cmn_get_curchannel(hw, ah);
1184 /* Reset SERDES registers */
1185 ath9k_hw_configpcipowersave(ah, 0, 0);
1187 ath9k_hw_htc_resetinit(ah);
1188 ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
1190 ath_print(common, ATH_DBG_FATAL,
1191 "Unable to reset hardware; reset status %d "
1192 "(freq %u MHz)\n", ret, curchan->center_freq);
1193 mutex_unlock(&priv->mutex);
1197 ath_update_txpow(priv);
1199 mode = ath9k_htc_get_curmode(priv, init_channel);
1200 htc_mode = cpu_to_be16(mode);
1201 WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);
1202 WMI_CMD(WMI_ATH_INIT_CMDID);
1203 WMI_CMD(WMI_START_RECV_CMDID);
1205 ath9k_host_rx_init(priv);
1207 priv->op_flags &= ~OP_INVALID;
1208 htc_start(priv->htc);
1210 spin_lock_bh(&priv->tx_lock);
1211 priv->tx_queues_stop = false;
1212 spin_unlock_bh(&priv->tx_lock);
1214 ieee80211_wake_queues(hw);
1216 mutex_unlock(&priv->mutex);
1221 static void ath9k_htc_stop(struct ieee80211_hw *hw)
1223 struct ath9k_htc_priv *priv = hw->priv;
1224 struct ath_hw *ah = priv->ah;
1225 struct ath_common *common = ath9k_hw_common(ah);
1229 mutex_lock(&priv->mutex);
1231 if (priv->op_flags & OP_INVALID) {
1232 ath_print(common, ATH_DBG_ANY, "Device not present\n");
1233 mutex_unlock(&priv->mutex);
1237 /* Cancel all the running timers/work .. */
1238 cancel_work_sync(&priv->ps_work);
1239 cancel_delayed_work_sync(&priv->ath9k_ani_work);
1240 cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
1241 ath9k_led_stop_brightness(priv);
1243 ath9k_htc_ps_wakeup(priv);
1244 htc_stop(priv->htc);
1245 WMI_CMD(WMI_DISABLE_INTR_CMDID);
1246 WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
1247 WMI_CMD(WMI_STOP_RECV_CMDID);
1248 skb_queue_purge(&priv->tx_queue);
1250 /* Remove monitor interface here */
1251 if (ah->opmode == NL80211_IFTYPE_MONITOR) {
1252 if (ath9k_htc_remove_monitor_interface(priv))
1253 ath_print(common, ATH_DBG_FATAL,
1254 "Unable to remove monitor interface\n");
1256 ath_print(common, ATH_DBG_CONFIG,
1257 "Monitor interface removed\n");
1260 ath9k_hw_phy_disable(ah);
1261 ath9k_hw_disable(ah);
1262 ath9k_hw_configpcipowersave(ah, 1, 1);
1263 ath9k_htc_ps_restore(priv);
1264 ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);
1266 priv->op_flags |= OP_INVALID;
1268 ath_print(common, ATH_DBG_CONFIG, "Driver halt\n");
1269 mutex_unlock(&priv->mutex);
1272 static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
1273 struct ieee80211_vif *vif)
1275 struct ath9k_htc_priv *priv = hw->priv;
1276 struct ath9k_htc_vif *avp = (void *)vif->drv_priv;
1277 struct ath_common *common = ath9k_hw_common(priv->ah);
1278 struct ath9k_htc_target_vif hvif;
1282 mutex_lock(&priv->mutex);
1284 /* Only one interface for now */
1285 if (priv->nvifs > 0) {
1290 ath9k_htc_ps_wakeup(priv);
1291 memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
1292 memcpy(&hvif.myaddr, vif->addr, ETH_ALEN);
1294 switch (vif->type) {
1295 case NL80211_IFTYPE_STATION:
1296 hvif.opmode = cpu_to_be32(HTC_M_STA);
1298 case NL80211_IFTYPE_ADHOC:
1299 hvif.opmode = cpu_to_be32(HTC_M_IBSS);
1302 ath_print(common, ATH_DBG_FATAL,
1303 "Interface type %d not yet supported\n", vif->type);
1308 ath_print(common, ATH_DBG_CONFIG,
1309 "Attach a VIF of type: %d\n", vif->type);
1311 priv->ah->opmode = vif->type;
1313 /* Index starts from zero on the target */
1314 avp->index = hvif.index = priv->nvifs;
1315 hvif.rtsthreshold = cpu_to_be16(2304);
1316 WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif);
1323 * We need a node in target to tx mgmt frames
1324 * before association.
1326 ret = ath9k_htc_add_station(priv, vif, NULL);
1330 ret = ath9k_htc_update_cap_target(priv);
1332 ath_print(common, ATH_DBG_CONFIG, "Failed to update"
1333 " capability in target \n");
1337 ath9k_htc_ps_restore(priv);
1338 mutex_unlock(&priv->mutex);
1343 static void ath9k_htc_remove_interface(struct ieee80211_hw *hw,
1344 struct ieee80211_vif *vif)
1346 struct ath9k_htc_priv *priv = hw->priv;
1347 struct ath_common *common = ath9k_hw_common(priv->ah);
1348 struct ath9k_htc_vif *avp = (void *)vif->drv_priv;
1349 struct ath9k_htc_target_vif hvif;
1353 ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n");
1355 mutex_lock(&priv->mutex);
1356 ath9k_htc_ps_wakeup(priv);
1358 memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
1359 memcpy(&hvif.myaddr, vif->addr, ETH_ALEN);
1360 hvif.index = avp->index;
1361 WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
1364 ath9k_htc_remove_station(priv, vif, NULL);
1367 ath9k_htc_ps_restore(priv);
1368 mutex_unlock(&priv->mutex);
1371 static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
1373 struct ath9k_htc_priv *priv = hw->priv;
1374 struct ath_common *common = ath9k_hw_common(priv->ah);
1375 struct ieee80211_conf *conf = &hw->conf;
1377 mutex_lock(&priv->mutex);
1379 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
1380 bool enable_radio = false;
1381 bool idle = !!(conf->flags & IEEE80211_CONF_IDLE);
1383 mutex_lock(&priv->htc_pm_lock);
1384 if (!idle && priv->ps_idle)
1385 enable_radio = true;
1386 priv->ps_idle = idle;
1387 mutex_unlock(&priv->htc_pm_lock);
1390 ath_print(common, ATH_DBG_CONFIG,
1391 "not-idle: enabling radio\n");
1392 ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
1393 ath9k_htc_radio_enable(hw);
1397 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
1398 struct ieee80211_channel *curchan = hw->conf.channel;
1399 int pos = curchan->hw_value;
1401 ath_print(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
1402 curchan->center_freq);
1404 ath9k_cmn_update_ichannel(hw, &priv->ah->channels[pos]);
1406 if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) {
1407 ath_print(common, ATH_DBG_FATAL,
1408 "Unable to set channel\n");
1409 mutex_unlock(&priv->mutex);
1414 if (changed & IEEE80211_CONF_CHANGE_PS) {
1415 if (conf->flags & IEEE80211_CONF_PS) {
1416 ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP);
1417 priv->ps_enabled = true;
1419 priv->ps_enabled = false;
1420 cancel_work_sync(&priv->ps_work);
1421 ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
1425 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
1426 if (conf->flags & IEEE80211_CONF_MONITOR) {
1427 if (ath9k_htc_add_monitor_interface(priv))
1428 ath_print(common, ATH_DBG_FATAL,
1429 "Failed to set monitor mode\n");
1431 ath_print(common, ATH_DBG_CONFIG,
1432 "HW opmode set to Monitor mode\n");
1436 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
1437 mutex_lock(&priv->htc_pm_lock);
1438 if (!priv->ps_idle) {
1439 mutex_unlock(&priv->htc_pm_lock);
1442 mutex_unlock(&priv->htc_pm_lock);
1444 ath_print(common, ATH_DBG_CONFIG,
1445 "idle: disabling radio\n");
1446 ath9k_htc_radio_disable(hw);
1450 mutex_unlock(&priv->mutex);
1454 #define SUPPORTED_FILTERS \
1455 (FIF_PROMISC_IN_BSS | \
1460 FIF_BCN_PRBRESP_PROMISC | \
1463 static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
1464 unsigned int changed_flags,
1465 unsigned int *total_flags,
1468 struct ath9k_htc_priv *priv = hw->priv;
1471 mutex_lock(&priv->mutex);
1472 ath9k_htc_ps_wakeup(priv);
1474 changed_flags &= SUPPORTED_FILTERS;
1475 *total_flags &= SUPPORTED_FILTERS;
1477 priv->rxfilter = *total_flags;
1478 rfilt = ath9k_htc_calcrxfilter(priv);
1479 ath9k_hw_setrxfilter(priv->ah, rfilt);
1481 ath_print(ath9k_hw_common(priv->ah), ATH_DBG_CONFIG,
1482 "Set HW RX filter: 0x%x\n", rfilt);
1484 ath9k_htc_ps_restore(priv);
1485 mutex_unlock(&priv->mutex);
1488 static int ath9k_htc_sta_add(struct ieee80211_hw *hw,
1489 struct ieee80211_vif *vif,
1490 struct ieee80211_sta *sta)
1492 struct ath9k_htc_priv *priv = hw->priv;
1495 mutex_lock(&priv->mutex);
1496 ath9k_htc_ps_wakeup(priv);
1497 ret = ath9k_htc_add_station(priv, vif, sta);
1499 ath9k_htc_init_rate(priv, sta);
1500 ath9k_htc_ps_restore(priv);
1501 mutex_unlock(&priv->mutex);
1506 static int ath9k_htc_sta_remove(struct ieee80211_hw *hw,
1507 struct ieee80211_vif *vif,
1508 struct ieee80211_sta *sta)
1510 struct ath9k_htc_priv *priv = hw->priv;
1513 mutex_lock(&priv->mutex);
1514 ath9k_htc_ps_wakeup(priv);
1515 ret = ath9k_htc_remove_station(priv, vif, sta);
1516 ath9k_htc_ps_restore(priv);
1517 mutex_unlock(&priv->mutex);
1522 static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, u16 queue,
1523 const struct ieee80211_tx_queue_params *params)
1525 struct ath9k_htc_priv *priv = hw->priv;
1526 struct ath_common *common = ath9k_hw_common(priv->ah);
1527 struct ath9k_tx_queue_info qi;
1530 if (queue >= WME_NUM_AC)
1533 mutex_lock(&priv->mutex);
1534 ath9k_htc_ps_wakeup(priv);
1536 memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
1538 qi.tqi_aifs = params->aifs;
1539 qi.tqi_cwmin = params->cw_min;
1540 qi.tqi_cwmax = params->cw_max;
1541 qi.tqi_burstTime = params->txop;
1543 qnum = get_hw_qnum(queue, priv->hwq_map);
1545 ath_print(common, ATH_DBG_CONFIG,
1546 "Configure tx [queue/hwq] [%d/%d], "
1547 "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
1548 queue, qnum, params->aifs, params->cw_min,
1549 params->cw_max, params->txop);
1551 ret = ath_htc_txq_update(priv, qnum, &qi);
1553 ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
1557 if ((priv->ah->opmode == NL80211_IFTYPE_ADHOC) &&
1558 (qnum == priv->hwq_map[WME_AC_BE]))
1559 ath9k_htc_beaconq_config(priv);
1561 ath9k_htc_ps_restore(priv);
1562 mutex_unlock(&priv->mutex);
1567 static int ath9k_htc_set_key(struct ieee80211_hw *hw,
1568 enum set_key_cmd cmd,
1569 struct ieee80211_vif *vif,
1570 struct ieee80211_sta *sta,
1571 struct ieee80211_key_conf *key)
1573 struct ath9k_htc_priv *priv = hw->priv;
1574 struct ath_common *common = ath9k_hw_common(priv->ah);
1577 if (htc_modparam_nohwcrypt)
1580 mutex_lock(&priv->mutex);
1581 ath_print(common, ATH_DBG_CONFIG, "Set HW Key\n");
1582 ath9k_htc_ps_wakeup(priv);
1586 ret = ath9k_cmn_key_config(common, vif, sta, key);
1588 key->hw_key_idx = ret;
1589 /* push IV and Michael MIC generation to stack */
1590 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1591 if (key->alg == ALG_TKIP)
1592 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1593 if (priv->ah->sw_mgmt_crypto && key->alg == ALG_CCMP)
1594 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT;
1599 ath9k_cmn_key_delete(common, key);
1605 ath9k_htc_ps_restore(priv);
1606 mutex_unlock(&priv->mutex);
1611 static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
1612 struct ieee80211_vif *vif,
1613 struct ieee80211_bss_conf *bss_conf,
1616 struct ath9k_htc_priv *priv = hw->priv;
1617 struct ath_hw *ah = priv->ah;
1618 struct ath_common *common = ath9k_hw_common(ah);
1620 mutex_lock(&priv->mutex);
1621 ath9k_htc_ps_wakeup(priv);
1623 if (changed & BSS_CHANGED_ASSOC) {
1624 common->curaid = bss_conf->assoc ?
1626 ath_print(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
1629 if (bss_conf->assoc) {
1630 priv->op_flags |= OP_ASSOCIATED;
1631 ath_start_ani(priv);
1633 priv->op_flags &= ~OP_ASSOCIATED;
1634 cancel_delayed_work_sync(&priv->ath9k_ani_work);
1638 if (changed & BSS_CHANGED_BSSID) {
1640 memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
1641 ath9k_hw_write_associd(ah);
1643 ath_print(common, ATH_DBG_CONFIG,
1644 "BSSID: %pM aid: 0x%x\n",
1645 common->curbssid, common->curaid);
1648 if ((changed & BSS_CHANGED_BEACON_INT) ||
1649 (changed & BSS_CHANGED_BEACON) ||
1650 ((changed & BSS_CHANGED_BEACON_ENABLED) &&
1651 bss_conf->enable_beacon)) {
1652 priv->op_flags |= OP_ENABLE_BEACON;
1653 ath9k_htc_beacon_config(priv, vif);
1656 if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
1657 !bss_conf->enable_beacon) {
1658 priv->op_flags &= ~OP_ENABLE_BEACON;
1659 ath9k_htc_beacon_config(priv, vif);
1662 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1663 ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
1664 bss_conf->use_short_preamble);
1665 if (bss_conf->use_short_preamble)
1666 priv->op_flags |= OP_PREAMBLE_SHORT;
1668 priv->op_flags &= ~OP_PREAMBLE_SHORT;
1671 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1672 ath_print(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
1673 bss_conf->use_cts_prot);
1674 if (bss_conf->use_cts_prot &&
1675 hw->conf.channel->band != IEEE80211_BAND_5GHZ)
1676 priv->op_flags |= OP_PROTECT_ENABLE;
1678 priv->op_flags &= ~OP_PROTECT_ENABLE;
1681 if (changed & BSS_CHANGED_ERP_SLOT) {
1682 if (bss_conf->use_short_slot)
1687 ath9k_hw_init_global_settings(ah);
1690 if (changed & BSS_CHANGED_HT)
1691 ath9k_htc_update_rate(priv, vif, bss_conf);
1693 ath9k_htc_ps_restore(priv);
1694 mutex_unlock(&priv->mutex);
1697 static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw)
1699 struct ath9k_htc_priv *priv = hw->priv;
1702 mutex_lock(&priv->mutex);
1703 ath9k_htc_ps_wakeup(priv);
1704 tsf = ath9k_hw_gettsf64(priv->ah);
1705 ath9k_htc_ps_restore(priv);
1706 mutex_unlock(&priv->mutex);
1711 static void ath9k_htc_set_tsf(struct ieee80211_hw *hw, u64 tsf)
1713 struct ath9k_htc_priv *priv = hw->priv;
1715 mutex_lock(&priv->mutex);
1716 ath9k_htc_ps_wakeup(priv);
1717 ath9k_hw_settsf64(priv->ah, tsf);
1718 ath9k_htc_ps_restore(priv);
1719 mutex_unlock(&priv->mutex);
1722 static void ath9k_htc_reset_tsf(struct ieee80211_hw *hw)
1724 struct ath9k_htc_priv *priv = hw->priv;
1726 mutex_lock(&priv->mutex);
1727 ath9k_htc_ps_wakeup(priv);
1728 ath9k_hw_reset_tsf(priv->ah);
1729 ath9k_htc_ps_restore(priv);
1730 mutex_unlock(&priv->mutex);
1733 static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
1734 struct ieee80211_vif *vif,
1735 enum ieee80211_ampdu_mlme_action action,
1736 struct ieee80211_sta *sta,
1739 struct ath9k_htc_priv *priv = hw->priv;
1740 struct ath9k_htc_sta *ista;
1744 case IEEE80211_AMPDU_RX_START:
1746 case IEEE80211_AMPDU_RX_STOP:
1748 case IEEE80211_AMPDU_TX_START:
1749 ret = ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid);
1751 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1753 case IEEE80211_AMPDU_TX_STOP:
1754 ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid);
1755 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1757 case IEEE80211_AMPDU_TX_OPERATIONAL:
1758 ista = (struct ath9k_htc_sta *) sta->drv_priv;
1759 spin_lock_bh(&priv->tx_lock);
1760 ista->tid_state[tid] = AGGR_OPERATIONAL;
1761 spin_unlock_bh(&priv->tx_lock);
1764 ath_print(ath9k_hw_common(priv->ah), ATH_DBG_FATAL,
1765 "Unknown AMPDU action\n");
1771 static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
1773 struct ath9k_htc_priv *priv = hw->priv;
1775 mutex_lock(&priv->mutex);
1776 spin_lock_bh(&priv->beacon_lock);
1777 priv->op_flags |= OP_SCANNING;
1778 spin_unlock_bh(&priv->beacon_lock);
1779 cancel_work_sync(&priv->ps_work);
1780 cancel_delayed_work_sync(&priv->ath9k_ani_work);
1781 mutex_unlock(&priv->mutex);
1784 static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw)
1786 struct ath9k_htc_priv *priv = hw->priv;
1788 mutex_lock(&priv->mutex);
1789 ath9k_htc_ps_wakeup(priv);
1790 spin_lock_bh(&priv->beacon_lock);
1791 priv->op_flags &= ~OP_SCANNING;
1792 spin_unlock_bh(&priv->beacon_lock);
1793 priv->op_flags |= OP_FULL_RESET;
1794 if (priv->op_flags & OP_ASSOCIATED)
1795 ath9k_htc_beacon_config(priv, priv->vif);
1796 ath_start_ani(priv);
1797 ath9k_htc_ps_restore(priv);
1798 mutex_unlock(&priv->mutex);
1801 static int ath9k_htc_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1806 static void ath9k_htc_set_coverage_class(struct ieee80211_hw *hw,
1809 struct ath9k_htc_priv *priv = hw->priv;
1811 mutex_lock(&priv->mutex);
1812 ath9k_htc_ps_wakeup(priv);
1813 priv->ah->coverage_class = coverage_class;
1814 ath9k_hw_init_global_settings(priv->ah);
1815 ath9k_htc_ps_restore(priv);
1816 mutex_unlock(&priv->mutex);
1819 struct ieee80211_ops ath9k_htc_ops = {
1821 .start = ath9k_htc_start,
1822 .stop = ath9k_htc_stop,
1823 .add_interface = ath9k_htc_add_interface,
1824 .remove_interface = ath9k_htc_remove_interface,
1825 .config = ath9k_htc_config,
1826 .configure_filter = ath9k_htc_configure_filter,
1827 .sta_add = ath9k_htc_sta_add,
1828 .sta_remove = ath9k_htc_sta_remove,
1829 .conf_tx = ath9k_htc_conf_tx,
1830 .bss_info_changed = ath9k_htc_bss_info_changed,
1831 .set_key = ath9k_htc_set_key,
1832 .get_tsf = ath9k_htc_get_tsf,
1833 .set_tsf = ath9k_htc_set_tsf,
1834 .reset_tsf = ath9k_htc_reset_tsf,
1835 .ampdu_action = ath9k_htc_ampdu_action,
1836 .sw_scan_start = ath9k_htc_sw_scan_start,
1837 .sw_scan_complete = ath9k_htc_sw_scan_complete,
1838 .set_rts_threshold = ath9k_htc_set_rts_threshold,
1839 .rfkill_poll = ath9k_htc_rfkill_poll_state,
1840 .set_coverage_class = ath9k_htc_set_coverage_class,