static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
				  struct ieee80211_vif *vif,
				  enum ieee80211_ampdu_mlme_action action,
				  struct ieee80211_sta *sta,
				  u16 tid, u16 *ssn, u8 buf_size)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath9k_htc_sta *ista;
	int ret = 0;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	switch (action) {
	case IEEE80211_AMPDU_RX_START:
		break;
	case IEEE80211_AMPDU_RX_STOP:
		break;
	case IEEE80211_AMPDU_TX_START:
		ret = ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid);
		if (!ret)
			ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
		break;
	case IEEE80211_AMPDU_TX_STOP_CONT:
	case IEEE80211_AMPDU_TX_STOP_FLUSH:
	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
		ath9k_htc_tx_aggr_oper(priv, vif, sta, action, tid);
		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
		break;
	case IEEE80211_AMPDU_TX_OPERATIONAL:
		ista = (struct ath9k_htc_sta *) sta->drv_priv;
		spin_lock_bh(&priv->tx.tx_lock);
		ista->tid_state[tid] = AGGR_OPERATIONAL;
		spin_unlock_bh(&priv->tx.tx_lock);
		break;
	default:
		ath_err(ath9k_hw_common(priv->ah), "Unknown AMPDU action\n");
	}

	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return ret;
}
示例#2
0
static int ath9k_htc_set_key(struct ieee80211_hw *hw,
			     enum set_key_cmd cmd,
			     struct ieee80211_vif *vif,
			     struct ieee80211_sta *sta,
			     struct ieee80211_key_conf *key)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	int ret = 0;

	if (htc_modparam_nohwcrypt)
		return -ENOSPC;

	mutex_lock(&priv->mutex);
	ath_dbg(common, ATH_DBG_CONFIG, "Set HW Key\n");
	ath9k_htc_ps_wakeup(priv);

	switch (cmd) {
	case SET_KEY:
		ret = ath_key_config(common, vif, sta, key);
		if (ret >= 0) {
			key->hw_key_idx = ret;
			/* push IV and Michael MIC generation to stack */
			key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
			if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
				key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
			if (priv->ah->sw_mgmt_crypto &&
			    key->cipher == WLAN_CIPHER_SUITE_CCMP)
				key->flags |= IEEE80211_KEY_FLAG_SW_MGMT;
			ret = 0;
		}
		break;
	case DISABLE_KEY:
		ath_key_delete(common, key);
		break;
	default:
		ret = -EINVAL;
	}

	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return ret;
}
static int ath9k_htc_conf_tx(struct ieee80211_hw *hw,
			     struct ieee80211_vif *vif, u16 queue,
			     const struct ieee80211_tx_queue_params *params)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_tx_queue_info qi;
	int ret = 0, qnum;

	if (queue >= IEEE80211_NUM_ACS)
		return 0;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));

	qi.tqi_aifs = params->aifs;
	qi.tqi_cwmin = params->cw_min;
	qi.tqi_cwmax = params->cw_max;
	qi.tqi_burstTime = params->txop * 32;

	qnum = get_hw_qnum(queue, priv->hwq_map);

	ath_dbg(common, CONFIG,
		"Configure tx [queue/hwq] [%d/%d],  aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
		queue, qnum, params->aifs, params->cw_min,
		params->cw_max, params->txop);

	ret = ath_htc_txq_update(priv, qnum, &qi);
	if (ret) {
		ath_err(common, "TXQ Update failed\n");
		goto out;
	}

	if ((priv->ah->opmode == NL80211_IFTYPE_ADHOC) &&
	    (qnum == priv->hwq_map[IEEE80211_AC_BE]))
		    ath9k_htc_beaconq_config(priv);
out:
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return ret;
}
示例#4
0
static int ath9k_htc_sta_remove(struct ieee80211_hw *hw,
				struct ieee80211_vif *vif,
				struct ieee80211_sta *sta)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
	int ret;

	cancel_work_sync(&ista->rc_update_work);

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);
	htc_sta_drain(priv->htc, ista->index);
	ret = ath9k_htc_remove_station(priv, vif, sta);
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return ret;
}
static void ath9k_htc_remove_interface(struct ieee80211_hw *hw,
				       struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_vif *avp = (void *)vif->drv_priv;
	struct ath9k_htc_target_vif hvif;
	int ret = 0;
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
	memcpy(&hvif.myaddr, vif->addr, ETH_ALEN);
	hvif.index = avp->index;
	WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
	priv->nvifs--;
	priv->vif_slot &= ~(1 << avp->index);

	ath9k_htc_remove_station(priv, vif, NULL);
	priv->vif = NULL;

	DEC_VIF(priv, vif->type);
	ath9k_htc_set_opmode(priv);

	/*
	 * Stop ANI only if there are no associated station interfaces.
	 */
	if ((vif->type == NL80211_IFTYPE_AP) && (priv->num_ap_vif == 0)) {
		priv->rearm_ani = false;
		ieee80211_iterate_active_interfaces_atomic(priv->hw,
						   ath9k_htc_vif_iter, priv);
		if (!priv->rearm_ani)
			ath9k_htc_stop_ani(priv);
	}

	ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface at idx: %d\n", avp->index);

	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}
示例#6
0
static int ath9k_htc_sta_add(struct ieee80211_hw *hw,
			     struct ieee80211_vif *vif,
			     struct ieee80211_sta *sta)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
	int ret;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);
	ret = ath9k_htc_add_station(priv, vif, sta);
	if (!ret) {
		INIT_WORK(&ista->rc_update_work, ath9k_htc_sta_rc_update_work);
		ista->htc_priv = priv;
		ath9k_htc_init_rate(priv, sta);
	}
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return ret;
}
示例#7
0
static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
				       unsigned int changed_flags,
				       unsigned int *total_flags,
				       u64 multicast)
{
	struct ath9k_htc_priv *priv = hw->priv;
	u32 rfilt;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	changed_flags &= SUPPORTED_FILTERS;
	*total_flags &= SUPPORTED_FILTERS;

	priv->rxfilter = *total_flags;
	rfilt = ath9k_htc_calcrxfilter(priv);
	ath9k_hw_setrxfilter(priv->ah, rfilt);

	ath_dbg(ath9k_hw_common(priv->ah), ATH_DBG_CONFIG,
		"Set HW RX filter: 0x%x\n", rfilt);

	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}
示例#8
0
static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
				       struct ieee80211_vif *vif,
				       struct ieee80211_bss_conf *bss_conf,
				       u32 changed)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	int slottime;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	if (changed & BSS_CHANGED_ASSOC) {
		ath_dbg(common, CONFIG, "BSS Changed ASSOC %d\n",
			bss_conf->assoc);

		bss_conf->assoc ?
			priv->num_sta_assoc_vif++ : priv->num_sta_assoc_vif--;

		if (!bss_conf->assoc)
			clear_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);

		if (priv->ah->opmode == NL80211_IFTYPE_STATION) {
			ath9k_htc_choose_set_bssid(priv);
			if (bss_conf->assoc && (priv->num_sta_assoc_vif == 1))
				ath9k_htc_start_ani(priv);
			else if (priv->num_sta_assoc_vif == 0)
				ath9k_htc_stop_ani(priv);
		}
	}

	if (changed & BSS_CHANGED_IBSS) {
		if (priv->ah->opmode == NL80211_IFTYPE_ADHOC) {
			common->curaid = bss_conf->aid;
			memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
			ath9k_htc_set_bssid(priv);
		}
	}

	if ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon) {
		ath_dbg(common, CONFIG, "Beacon enabled for BSS: %pM\n",
			bss_conf->bssid);
		ath9k_htc_set_tsfadjust(priv, vif);
		priv->cur_beacon_conf.enable_beacon = 1;
		ath9k_htc_beacon_config(priv, vif);
	}

	if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) {
		/*
		 * Disable SWBA interrupt only if there are no
		 * concurrent AP/mesh or IBSS interfaces.
		 */
		if ((priv->num_ap_vif + priv->num_mbss_vif <= 1) ||
		     priv->num_ibss_vif) {
			ath_dbg(common, CONFIG,
				"Beacon disabled for BSS: %pM\n",
				bss_conf->bssid);
			priv->cur_beacon_conf.enable_beacon = 0;
			ath9k_htc_beacon_config(priv, vif);
		}
	}

	if (changed & BSS_CHANGED_BEACON_INT) {
		/*
		 * Reset the HW TSF for the first AP or mesh interface.
		 */
		if (priv->nvifs == 1 &&
		    ((priv->ah->opmode == NL80211_IFTYPE_AP &&
		      vif->type == NL80211_IFTYPE_AP &&
		      priv->num_ap_vif == 1) ||
		    (priv->ah->opmode == NL80211_IFTYPE_MESH_POINT &&
		      vif->type == NL80211_IFTYPE_MESH_POINT &&
		      priv->num_mbss_vif == 1))) {
			set_bit(OP_TSF_RESET, &priv->op_flags);
		}
		ath_dbg(common, CONFIG,
			"Beacon interval changed for BSS: %pM\n",
			bss_conf->bssid);
		ath9k_htc_beacon_config(priv, vif);
	}

	if (changed & BSS_CHANGED_ERP_SLOT) {
		if (bss_conf->use_short_slot)
			slottime = 9;
		else
			slottime = 20;
		if (vif->type == NL80211_IFTYPE_AP) {
			/*
			 * Defer update, so that connected stations can adjust
			 * their settings at the same time.
			 * See beacon.c for more details
			 */
			priv->beacon.slottime = slottime;
			priv->beacon.updateslot = UPDATE;
		} else {
			ah->slottime = slottime;
			ath9k_hw_init_global_settings(ah);
		}
	}

	if (changed & BSS_CHANGED_HT)
		ath9k_htc_update_rate(priv, vif, bss_conf);

	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}
示例#9
0
static void ath9k_htc_stop(struct ieee80211_hw *hw)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	int ret __attribute__ ((unused));
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);

	if (priv->op_flags & OP_INVALID) {
		ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
		mutex_unlock(&priv->mutex);
		return;
	}

	ath9k_htc_ps_wakeup(priv);

	WMI_CMD(WMI_DISABLE_INTR_CMDID);
	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
	WMI_CMD(WMI_STOP_RECV_CMDID);

	tasklet_kill(&priv->rx_tasklet);

	del_timer_sync(&priv->tx.cleanup_timer);
	ath9k_htc_tx_drain(priv);
	ath9k_wmi_event_drain(priv);

	mutex_unlock(&priv->mutex);

	/* Cancel all the running timers/work .. */
	cancel_work_sync(&priv->fatal_work);
	cancel_work_sync(&priv->ps_work);

#ifdef CONFIG_MAC80211_LEDS
	cancel_work_sync(&priv->led_work);
#endif
	ath9k_htc_stop_ani(priv);

	mutex_lock(&priv->mutex);

	if (ah->btcoex_hw.enabled) {
		ath9k_hw_btcoex_disable(ah);
		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
			ath_htc_cancel_btcoex_work(priv);
	}

	/* Remove a monitor interface if it's present. */
	if (priv->ah->is_monitoring)
		ath9k_htc_remove_monitor_interface(priv);

	ath9k_hw_phy_disable(ah);
	ath9k_hw_disable(ah);
	ath9k_htc_ps_restore(priv);
	ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);

	priv->op_flags |= OP_INVALID;

	ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n");
	mutex_unlock(&priv->mutex);
}
示例#10
0
static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ieee80211_conf *conf = &hw->conf;
	bool chip_reset = false;
	int ret = 0;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
		mutex_lock(&priv->htc_pm_lock);

		priv->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
		if (!priv->ps_idle)
			chip_reset = true;

		mutex_unlock(&priv->htc_pm_lock);
	}

	/*
	 * Monitor interface should be added before
	 * IEEE80211_CONF_CHANGE_CHANNEL is handled.
	 */
	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
		if ((conf->flags & IEEE80211_CONF_MONITOR) &&
		    !priv->ah->is_monitoring)
			ath9k_htc_add_monitor_interface(priv);
		else if (priv->ah->is_monitoring)
			ath9k_htc_remove_monitor_interface(priv);
	}

	if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || chip_reset) {
		struct ieee80211_channel *curchan = hw->conf.chandef.chan;
		int pos = curchan->hw_value;

		ath_dbg(common, CONFIG, "Set channel: %d MHz\n",
			curchan->center_freq);

		ath9k_cmn_get_channel(hw, priv->ah, &hw->conf.chandef);
		if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) {
			ath_err(common, "Unable to set channel\n");
			ret = -EINVAL;
			goto out;
		}

	}

	if (changed & IEEE80211_CONF_CHANGE_PS) {
		if (conf->flags & IEEE80211_CONF_PS) {
			ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP);
			priv->ps_enabled = true;
		} else {
			priv->ps_enabled = false;
			cancel_work_sync(&priv->ps_work);
			ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
		}
	}

	if (changed & IEEE80211_CONF_CHANGE_POWER) {
		priv->txpowlimit = 2 * conf->power_level;
		ath9k_cmn_update_txpow(priv->ah, priv->curtxpow,
				       priv->txpowlimit, &priv->curtxpow);
	}

out:
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
	return ret;
}
示例#11
0
static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
				   struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath9k_htc_vif *avp = (void *)vif->drv_priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_vif hvif;
	int ret = 0;
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);

	ath9k_htc_ps_wakeup(priv);
	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
	memcpy(&hvif.myaddr, vif->addr, ETH_ALEN);

	switch (vif->type) {
	case NL80211_IFTYPE_STATION:
		hvif.opmode = HTC_M_STA;
		break;
	case NL80211_IFTYPE_ADHOC:
		hvif.opmode = HTC_M_IBSS;
		break;
	case NL80211_IFTYPE_AP:
		hvif.opmode = HTC_M_HOSTAP;
		break;
	case NL80211_IFTYPE_MESH_POINT:
		hvif.opmode = HTC_M_WDS;	/* close enough */
		break;
	default:
		ath_err(common,
			"Interface type %d not yet supported\n", vif->type);
		ret = -EOPNOTSUPP;
		goto out;
	}

	/* Index starts from zero on the target */
	avp->index = hvif.index = ffz(priv->vif_slot);
	hvif.rtsthreshold = cpu_to_be16(2304);
	WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif);
	if (ret)
		goto out;

	/*
	 * We need a node in target to tx mgmt frames
	 * before association.
	 */
	ret = ath9k_htc_add_station(priv, vif, NULL);
	if (ret) {
		WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
		goto out;
	}

	ath9k_htc_set_mac_bssid_mask(priv, vif);

	priv->vif_slot |= (1 << avp->index);
	priv->nvifs++;

	INC_VIF(priv, vif->type);

	if ((vif->type == NL80211_IFTYPE_AP) ||
	    (vif->type == NL80211_IFTYPE_MESH_POINT) ||
	    (vif->type == NL80211_IFTYPE_ADHOC))
		ath9k_htc_assign_bslot(priv, vif);

	ath9k_htc_set_opmode(priv);

	if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
	    !test_bit(ATH_OP_ANI_RUN, &common->op_flags)) {
		ath9k_hw_set_tsfadjust(priv->ah, true);
		ath9k_htc_start_ani(priv);
	}

	ath_dbg(common, CONFIG, "Attach a VIF of type: %d at idx: %d\n",
		vif->type, avp->index);

out:
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return ret;
}
示例#12
0
static ssize_t read_file_tgt_tx_stats(struct file *file, char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath9k_htc_priv *priv = file->private_data;
	struct ath9k_htc_target_tx_stats cmd_rsp;
	char buf[512];
	unsigned int len = 0;
	int ret = 0;

	memset(&cmd_rsp, 0, sizeof(cmd_rsp));

	ath9k_htc_ps_wakeup(priv);

	WMI_CMD(WMI_TX_STATS_CMDID);
	if (ret) {
		ath9k_htc_ps_restore(priv);
		return -EINVAL;
	}

	ath9k_htc_ps_restore(priv);

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "Xretries",
			be32_to_cpu(cmd_rsp.xretries));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "FifoErr",
			be32_to_cpu(cmd_rsp.fifoerr));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "Filtered",
			be32_to_cpu(cmd_rsp.filtered));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "TimerExp",
			be32_to_cpu(cmd_rsp.timer_exp));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "ShortRetries",
			be32_to_cpu(cmd_rsp.shortretries));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "LongRetries",
			be32_to_cpu(cmd_rsp.longretries));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "QueueNull",
			be32_to_cpu(cmd_rsp.qnull));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "EncapFail",
			be32_to_cpu(cmd_rsp.encap_fail));

	len += snprintf(buf + len, sizeof(buf) - len,
			"%20s : %10u\n", "NoBuf",
			be32_to_cpu(cmd_rsp.nobuf));

	if (len > sizeof(buf))
		len = sizeof(buf);

	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
示例#13
0
static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
				   struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath9k_htc_vif *avp = (void *)vif->drv_priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_vif hvif;
	int ret = 0;
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);

	/* Only one interface for now */
	if (priv->nvifs > 0) {
		ret = -ENOBUFS;
		goto out;
	}

	ath9k_htc_ps_wakeup(priv);
	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
	memcpy(&hvif.myaddr, vif->addr, ETH_ALEN);

	switch (vif->type) {
	case NL80211_IFTYPE_STATION:
		hvif.opmode = cpu_to_be32(HTC_M_STA);
		break;
	case NL80211_IFTYPE_ADHOC:
		hvif.opmode = cpu_to_be32(HTC_M_IBSS);
		break;
	default:
		ath_err(common,
			"Interface type %d not yet supported\n", vif->type);
		ret = -EOPNOTSUPP;
		goto out;
	}

	ath_dbg(common, ATH_DBG_CONFIG,
		"Attach a VIF of type: %d\n", vif->type);

	priv->ah->opmode = vif->type;

	/* Index starts from zero on the target */
	avp->index = hvif.index = priv->nvifs;
	hvif.rtsthreshold = cpu_to_be16(2304);
	WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif);
	if (ret)
		goto out;

	priv->nvifs++;

	/*
	 * We need a node in target to tx mgmt frames
	 * before association.
	 */
	ret = ath9k_htc_add_station(priv, vif, NULL);
	if (ret)
		goto out;

	ret = ath9k_htc_update_cap_target(priv);
	if (ret)
		ath_dbg(common, ATH_DBG_CONFIG,
			"Failed to update capability in target\n");

	priv->vif = vif;
out:
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return ret;
}
static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
				       struct ieee80211_vif *vif,
				       struct ieee80211_bss_conf *bss_conf,
				       u32 changed)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	if (changed & BSS_CHANGED_ASSOC) {
		ath_dbg(common, CONFIG, "BSS Changed ASSOC %d\n",
			bss_conf->assoc);

		bss_conf->assoc ?
			priv->num_sta_assoc_vif++ : priv->num_sta_assoc_vif--;

		if (priv->ah->opmode == NL80211_IFTYPE_STATION) {
			ath9k_htc_choose_set_bssid(priv);
			if (bss_conf->assoc && (priv->num_sta_assoc_vif == 1))
				ath9k_htc_start_ani(priv);
			else if (priv->num_sta_assoc_vif == 0)
				ath9k_htc_stop_ani(priv);
		}
	}

	if (changed & BSS_CHANGED_IBSS) {
		if (priv->ah->opmode == NL80211_IFTYPE_ADHOC) {
			common->curaid = bss_conf->aid;
			memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
			ath9k_htc_set_bssid(priv);
		}
	}

	if ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon) {
		ath_dbg(common, CONFIG, "Beacon enabled for BSS: %pM\n",
			bss_conf->bssid);
		ath9k_htc_set_tsfadjust(priv, vif);
		set_bit(OP_ENABLE_BEACON, &priv->op_flags);
		ath9k_htc_beacon_config(priv, vif);
	}

	if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) {
		/*
		 * Disable SWBA interrupt only if there are no
		 * AP/IBSS interfaces.
		 */
		if ((priv->num_ap_vif <= 1) || priv->num_ibss_vif) {
			ath_dbg(common, CONFIG,
				"Beacon disabled for BSS: %pM\n",
				bss_conf->bssid);
			clear_bit(OP_ENABLE_BEACON, &priv->op_flags);
			ath9k_htc_beacon_config(priv, vif);
		}
	}

	if (changed & BSS_CHANGED_BEACON_INT) {
		/*
		 * Reset the HW TSF for the first AP interface.
		 */
		if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
		    (priv->nvifs == 1) &&
		    (priv->num_ap_vif == 1) &&
		    (vif->type == NL80211_IFTYPE_AP)) {
			set_bit(OP_TSF_RESET, &priv->op_flags);
		}
		ath_dbg(common, CONFIG,
			"Beacon interval changed for BSS: %pM\n",
			bss_conf->bssid);
		ath9k_htc_beacon_config(priv, vif);
	}

	if (changed & BSS_CHANGED_ERP_SLOT) {
		if (bss_conf->use_short_slot)
			ah->slottime = 9;
		else
			ah->slottime = 20;

		ath9k_hw_init_global_settings(ah);
	}

	if (changed & BSS_CHANGED_HT)
		ath9k_htc_update_rate(priv, vif, bss_conf);

	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}
static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
				       struct ieee80211_vif *vif,
				       struct ieee80211_bss_conf *bss_conf,
				       u32 changed)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	bool set_assoc;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	/*
	 * Set the HW AID/BSSID only for the first station interface
	 * or in IBSS mode.
	 */
	set_assoc = !!((priv->ah->opmode == NL80211_IFTYPE_ADHOC) ||
		       ((priv->ah->opmode == NL80211_IFTYPE_STATION) &&
			(priv->num_sta_vif == 1)));


	if (changed & BSS_CHANGED_ASSOC) {
		if (set_assoc) {
			ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
				bss_conf->assoc);

			common->curaid = bss_conf->assoc ?
				bss_conf->aid : 0;

			if (bss_conf->assoc)
				ath9k_htc_start_ani(priv);
			else
				ath9k_htc_stop_ani(priv);
		}
	}

	if (changed & BSS_CHANGED_BSSID) {
		if (set_assoc) {
			memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
			ath9k_hw_write_associd(ah);

			ath_dbg(common, ATH_DBG_CONFIG,
				"BSSID: %pM aid: 0x%x\n",
				common->curbssid, common->curaid);
		}
	}

	if ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon) {
		ath_dbg(common, ATH_DBG_CONFIG,
			"Beacon enabled for BSS: %pM\n", bss_conf->bssid);
		priv->op_flags |= OP_ENABLE_BEACON;
		ath9k_htc_beacon_config(priv, vif);
	}

	if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) {
		/*
		 * Disable SWBA interrupt only if there are no
		 * AP/IBSS interfaces.
		 */
		if ((priv->num_ap_vif <= 1) || priv->num_ibss_vif) {
			ath_dbg(common, ATH_DBG_CONFIG,
				"Beacon disabled for BSS: %pM\n",
				bss_conf->bssid);
			priv->op_flags &= ~OP_ENABLE_BEACON;
			ath9k_htc_beacon_config(priv, vif);
		}
	}

	if (changed & BSS_CHANGED_BEACON_INT) {
		/*
		 * Reset the HW TSF for the first AP interface.
		 */
		if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
		    (priv->nvifs == 1) &&
		    (priv->num_ap_vif == 1) &&
		    (vif->type == NL80211_IFTYPE_AP)) {
			priv->op_flags |= OP_TSF_RESET;
		}
		ath_dbg(common, ATH_DBG_CONFIG,
			"Beacon interval changed for BSS: %pM\n",
			bss_conf->bssid);
		ath9k_htc_beacon_config(priv, vif);
	}

	if (changed & BSS_CHANGED_ERP_SLOT) {
		if (bss_conf->use_short_slot)
			ah->slottime = 9;
		else
			ah->slottime = 20;

		ath9k_hw_init_global_settings(ah);
	}

	if (changed & BSS_CHANGED_HT)
		ath9k_htc_update_rate(priv, vif, bss_conf);

	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}
static void ath9k_htc_op_ps_restore(struct ath_common *common)
{
	ath9k_htc_ps_restore((struct ath9k_htc_priv *) common->priv);
}
static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
				   struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath9k_htc_vif *avp = (void *)vif->drv_priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_vif hvif;
	int ret = 0;
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);

	if (priv->nvifs >= ATH9K_HTC_MAX_VIF) {
		mutex_unlock(&priv->mutex);
		return -ENOBUFS;
	}

	if (priv->num_ibss_vif ||
	    (priv->nvifs && vif->type == NL80211_IFTYPE_ADHOC)) {
		ath_err(common, "IBSS coexistence with other modes is not allowed\n");
		mutex_unlock(&priv->mutex);
		return -ENOBUFS;
	}

	if (((vif->type == NL80211_IFTYPE_AP) ||
	     (vif->type == NL80211_IFTYPE_ADHOC)) &&
	    ((priv->num_ap_vif + priv->num_ibss_vif) >= ATH9K_HTC_MAX_BCN_VIF)) {
		ath_err(common, "Max. number of beaconing interfaces reached\n");
		mutex_unlock(&priv->mutex);
		return -ENOBUFS;
	}

	ath9k_htc_ps_wakeup(priv);
	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
	memcpy(&hvif.myaddr, vif->addr, ETH_ALEN);

	switch (vif->type) {
	case NL80211_IFTYPE_STATION:
		hvif.opmode = HTC_M_STA;
		break;
	case NL80211_IFTYPE_ADHOC:
		hvif.opmode = HTC_M_IBSS;
		break;
	case NL80211_IFTYPE_AP:
		hvif.opmode = HTC_M_HOSTAP;
		break;
	default:
		ath_err(common,
			"Interface type %d not yet supported\n", vif->type);
		ret = -EOPNOTSUPP;
		goto out;
	}

	/* Index starts from zero on the target */
	avp->index = hvif.index = ffz(priv->vif_slot);
	hvif.rtsthreshold = cpu_to_be16(2304);
	WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif);
	if (ret)
		goto out;

	/*
	 * We need a node in target to tx mgmt frames
	 * before association.
	 */
	ret = ath9k_htc_add_station(priv, vif, NULL);
	if (ret) {
		WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
		goto out;
	}

	ath9k_htc_set_mac_bssid_mask(priv, vif);

	priv->vif_slot |= (1 << avp->index);
	priv->nvifs++;

	INC_VIF(priv, vif->type);

	if ((vif->type == NL80211_IFTYPE_AP) ||
	    (vif->type == NL80211_IFTYPE_ADHOC))
		ath9k_htc_assign_bslot(priv, vif);

	ath9k_htc_set_opmode(priv);

	if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
	    !(priv->op_flags & OP_ANI_RUNNING)) {
		ath9k_hw_set_tsfadjust(priv->ah, 1);
		ath9k_htc_start_ani(priv);
	}

	ath_dbg(common, CONFIG, "Attach a VIF of type: %d at idx: %d\n",
		vif->type, avp->index);

out:
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return ret;
}
示例#18
0
static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
				 struct ieee80211_hw *hw,
				 struct ath9k_channel *hchan)
{
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	struct ieee80211_conf *conf = &common->hw->conf;
	bool fastcc;
	struct ieee80211_channel *channel = hw->conf.channel;
	struct ath9k_hw_cal_data *caldata;
	enum htc_phymode mode;
	__be16 htc_mode;
	u8 cmd_rsp;
	int ret;

	if (priv->op_flags & OP_INVALID)
		return -EIO;

	fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL);

	ath9k_htc_ps_wakeup(priv);
	htc_stop(priv->htc);
	WMI_CMD(WMI_DISABLE_INTR_CMDID);
	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
	WMI_CMD(WMI_STOP_RECV_CMDID);

	ath_dbg(common, ATH_DBG_CONFIG,
		"(%u MHz) -> (%u MHz), HT: %d, HT40: %d fastcc: %d\n",
		priv->ah->curchan->channel,
		channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf),
		fastcc);

	caldata = &priv->caldata[channel->hw_value];
	ret = ath9k_hw_reset(ah, hchan, caldata, fastcc);
	if (ret) {
		ath_err(common,
			"Unable to reset channel (%u Mhz) reset status %d\n",
			channel->center_freq, ret);
		goto err;
	}

	ath_update_txpow(priv);

	WMI_CMD(WMI_START_RECV_CMDID);
	if (ret)
		goto err;

	ath9k_host_rx_init(priv);

	mode = ath9k_htc_get_curmode(priv, hchan);
	htc_mode = cpu_to_be16(mode);
	WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);
	if (ret)
		goto err;

	WMI_CMD(WMI_ENABLE_INTR_CMDID);
	if (ret)
		goto err;

	htc_start(priv->htc);
err:
	ath9k_htc_ps_restore(priv);
	return ret;
}
示例#19
0
static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
				       struct ieee80211_vif *vif,
				       struct ieee80211_bss_conf *bss_conf,
				       u32 changed)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	if (changed & BSS_CHANGED_ASSOC) {
		common->curaid = bss_conf->assoc ?
				 bss_conf->aid : 0;
		ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
			bss_conf->assoc);

		if (bss_conf->assoc) {
			priv->op_flags |= OP_ASSOCIATED;
			ath_start_ani(priv);
		} else {
			priv->op_flags &= ~OP_ASSOCIATED;
			cancel_delayed_work_sync(&priv->ath9k_ani_work);
		}
	}

	if (changed & BSS_CHANGED_BSSID) {
		/* Set BSSID */
		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
		ath9k_hw_write_associd(ah);

		ath_dbg(common, ATH_DBG_CONFIG,
			"BSSID: %pM aid: 0x%x\n",
			common->curbssid, common->curaid);
	}

	if ((changed & BSS_CHANGED_BEACON_INT) ||
	    (changed & BSS_CHANGED_BEACON) ||
	    ((changed & BSS_CHANGED_BEACON_ENABLED) &&
	    bss_conf->enable_beacon)) {
		priv->op_flags |= OP_ENABLE_BEACON;
		ath9k_htc_beacon_config(priv, vif);
	}

	if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
	    !bss_conf->enable_beacon) {
		priv->op_flags &= ~OP_ENABLE_BEACON;
		ath9k_htc_beacon_config(priv, vif);
	}

	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
		ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
			bss_conf->use_short_preamble);
		if (bss_conf->use_short_preamble)
			priv->op_flags |= OP_PREAMBLE_SHORT;
		else
			priv->op_flags &= ~OP_PREAMBLE_SHORT;
	}

	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
		ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
			bss_conf->use_cts_prot);
		if (bss_conf->use_cts_prot &&
		    hw->conf.channel->band != IEEE80211_BAND_5GHZ)
			priv->op_flags |= OP_PROTECT_ENABLE;
		else
			priv->op_flags &= ~OP_PROTECT_ENABLE;
	}

	if (changed & BSS_CHANGED_ERP_SLOT) {
		if (bss_conf->use_short_slot)
			ah->slottime = 9;
		else
			ah->slottime = 20;

		ath9k_hw_init_global_settings(ah);
	}

	if (changed & BSS_CHANGED_HT)
		ath9k_htc_update_rate(priv, vif, bss_conf);

	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}
示例#20
0
static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
				 struct ieee80211_hw *hw,
				 struct ath9k_channel *hchan)
{
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	struct ieee80211_conf *conf = &common->hw->conf;
	bool fastcc;
	struct ieee80211_channel *channel = hw->conf.chandef.chan;
	struct ath9k_hw_cal_data *caldata = NULL;
	enum htc_phymode mode;
	__be16 htc_mode;
	u8 cmd_rsp;
	int ret;

	if (test_bit(ATH_OP_INVALID, &common->op_flags))
		return -EIO;

	fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL);

	ath9k_htc_ps_wakeup(priv);

	ath9k_htc_stop_ani(priv);
	del_timer_sync(&priv->tx.cleanup_timer);
	ath9k_htc_tx_drain(priv);

	WMI_CMD(WMI_DISABLE_INTR_CMDID);
	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
	WMI_CMD(WMI_STOP_RECV_CMDID);

	ath9k_wmi_event_drain(priv);

	ath_dbg(common, CONFIG,
		"(%u MHz) -> (%u MHz), HT: %d, HT40: %d fastcc: %d\n",
		priv->ah->curchan->channel,
		channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf),
		fastcc);

	if (!fastcc)
		caldata = &priv->caldata;

	ret = ath9k_hw_reset(ah, hchan, caldata, fastcc);
	if (ret) {
		ath_err(common,
			"Unable to reset channel (%u Mhz) reset status %d\n",
			channel->center_freq, ret);
		goto err;
	}

	ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit,
			       &priv->curtxpow);

	WMI_CMD(WMI_START_RECV_CMDID);
	if (ret)
		goto err;

	ath9k_host_rx_init(priv);

	mode = ath9k_htc_get_curmode(priv, hchan);
	htc_mode = cpu_to_be16(mode);
	WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);
	if (ret)
		goto err;

	WMI_CMD(WMI_ENABLE_INTR_CMDID);
	if (ret)
		goto err;

	htc_start(priv->htc);

	if (!test_bit(ATH_OP_SCANNING, &common->op_flags) &&
	    !(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
		ath9k_htc_vif_reconfig(priv);

	mod_timer(&priv->tx.cleanup_timer,
		  jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL));

err:
	ath9k_htc_ps_restore(priv);
	return ret;
}
示例#21
0
void ath9k_htc_ani_work(struct work_struct *work)
{
	struct ath9k_htc_priv *priv =
		container_of(work, struct ath9k_htc_priv, ani_work.work);
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	bool longcal = false;
	bool shortcal = false;
	bool aniflag = false;
	unsigned int timestamp = jiffies_to_msecs(jiffies);
	u32 cal_interval, short_cal_interval;

	short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ?
		ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL;

	/* Only calibrate if awake */
	if (ah->power_mode != ATH9K_PM_AWAKE)
		goto set_timer;

	/* Long calibration runs independently of short calibration. */
	if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
		longcal = true;
		ath_dbg(common, ANI, "longcal @%lu\n", jiffies);
		common->ani.longcal_timer = timestamp;
	}

	/* Short calibration applies only while caldone is false */
	if (!common->ani.caldone) {
		if ((timestamp - common->ani.shortcal_timer) >=
		    short_cal_interval) {
			shortcal = true;
			ath_dbg(common, ANI, "shortcal @%lu\n", jiffies);
			common->ani.shortcal_timer = timestamp;
			common->ani.resetcal_timer = timestamp;
		}
	} else {
		if ((timestamp - common->ani.resetcal_timer) >=
		    ATH_RESTART_CALINTERVAL) {
			common->ani.caldone = ath9k_hw_reset_calvalid(ah);
			if (common->ani.caldone)
				common->ani.resetcal_timer = timestamp;
		}
	}

	/* Verify whether we must check ANI */
	if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
		aniflag = true;
		common->ani.checkani_timer = timestamp;
	}

	/* Skip all processing if there's nothing to do. */
	if (longcal || shortcal || aniflag) {

		ath9k_htc_ps_wakeup(priv);

		/* Call ANI routine if necessary */
		if (aniflag)
			ath9k_hw_ani_monitor(ah, ah->curchan);

		/* Perform calibration if necessary */
		if (longcal || shortcal)
			common->ani.caldone =
				ath9k_hw_calibrate(ah, ah->curchan,
						   ah->rxchainmask, longcal);

		ath9k_htc_ps_restore(priv);
	}

set_timer:
	/*
	* Set timer interval based on previous results.
	* The interval must be the shortest necessary to satisfy ANI,
	* short calibration and long calibration.
	*/
	cal_interval = ATH_LONG_CALINTERVAL;
	cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
	if (!common->ani.caldone)
		cal_interval = min(cal_interval, (u32)short_cal_interval);

	ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
				     msecs_to_jiffies(cal_interval));
}
示例#22
0
static void ath9k_htc_stop(struct ieee80211_hw *hw)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	int ret = 0;
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);

	if (priv->op_flags & OP_INVALID) {
		ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
		mutex_unlock(&priv->mutex);
		return;
	}

	ath9k_htc_ps_wakeup(priv);
	htc_stop(priv->htc);
	WMI_CMD(WMI_DISABLE_INTR_CMDID);
	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
	WMI_CMD(WMI_STOP_RECV_CMDID);

	tasklet_kill(&priv->swba_tasklet);
	tasklet_kill(&priv->rx_tasklet);
	tasklet_kill(&priv->tx_tasklet);

	skb_queue_purge(&priv->tx_queue);

	mutex_unlock(&priv->mutex);

	/* Cancel all the running timers/work .. */
	cancel_work_sync(&priv->fatal_work);
	cancel_work_sync(&priv->ps_work);
	cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
	ath9k_led_stop_brightness(priv);

	mutex_lock(&priv->mutex);

	/* Remove monitor interface here */
	if (ah->opmode == NL80211_IFTYPE_MONITOR) {
		if (ath9k_htc_remove_monitor_interface(priv))
			ath_err(common, "Unable to remove monitor interface\n");
		else
			ath_dbg(common, ATH_DBG_CONFIG,
				"Monitor interface removed\n");
	}

	if (ah->btcoex_hw.enabled) {
		ath9k_hw_btcoex_disable(ah);
		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
			ath_htc_cancel_btcoex_work(priv);
	}

	ath9k_hw_phy_disable(ah);
	ath9k_hw_disable(ah);
	ath9k_htc_ps_restore(priv);
	ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);

	priv->op_flags |= OP_INVALID;

	ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n");
	mutex_unlock(&priv->mutex);
}