Release 4.8 drivers/net/wireless/ath/ath9k/htc_drv_main.c

/*
 * Copyright (c) 2010-2011 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "htc.h"

/*************/
/* Utilities */
/*************/

/* HACK Alert: Use 11NG for 2.4, use 11NA for 5 */


static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv,
					      struct ath9k_channel *ichan)
{
	if (IS_CHAN_5GHZ(ichan))
		return HTC_MODE_11NA;

	return HTC_MODE_11NG;
}

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bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
			enum ath9k_power_mode mode)
{
	bool ret;

	mutex_lock(&priv->htc_pm_lock);
	ret = ath9k_hw_setpower(priv->ah, mode);
	mutex_unlock(&priv->htc_pm_lock);

	return ret;
}

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void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv)
{
	mutex_lock(&priv->htc_pm_lock);
	if (++priv->ps_usecount != 1)
		goto unlock;
	ath9k_hw_setpower(priv->ah, ATH9K_PM_AWAKE);

unlock:
	mutex_unlock(&priv->htc_pm_lock);
}

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void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv)
{
	bool reset;

	mutex_lock(&priv->htc_pm_lock);
	if (--priv->ps_usecount != 0)
		goto unlock;

	if (priv->ps_idle) {
		ath9k_hw_setrxabort(priv->ah, true);
		ath9k_hw_stopdmarecv(priv->ah, &reset);
		ath9k_hw_setpower(priv->ah, ATH9K_PM_FULL_SLEEP);
	} else if (priv->ps_enabled) {
		ath9k_hw_setpower(priv->ah, ATH9K_PM_NETWORK_SLEEP);
	}

unlock:
	mutex_unlock(&priv->htc_pm_lock);
}

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void ath9k_ps_work(struct work_struct *work)
{
	struct ath9k_htc_priv *priv =
		container_of(work, struct ath9k_htc_priv,
			     ps_work);
	ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);

	/* The chip wakes up after receiving the first beacon
           while network sleep is enabled. For the driver to
           be in sync with the hw, set the chip to awake and
           only then set it to sleep.
         */
	ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP);
}

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static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = data;
	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;

	if ((vif->type == NL80211_IFTYPE_AP ||
	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
	    bss_conf->enable_beacon) {
		priv->reconfig_beacon = true;
		priv->rearm_ani = true;
	}

	if (bss_conf->assoc) {
		priv->rearm_ani = true;
		priv->reconfig_beacon = true;
	}
}

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8
8.89%
1
25.00%
javier cardona
javier cardona
6
6.67%
1
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90
100.00%
4
100.00%



static void ath9k_htc_vif_reconfig(struct ath9k_htc_priv *priv)
{
	priv->rearm_ani = false;
	priv->reconfig_beacon = false;

	ieee80211_iterate_active_interfaces_atomic(
		priv->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
		ath9k_htc_vif_iter, priv);
	if (priv->rearm_ani)
		ath9k_htc_start_ani(priv);

	if (priv->reconfig_beacon) {
		ath9k_htc_ps_wakeup(priv);
		ath9k_htc_beacon_reconfig(priv);
		ath9k_htc_ps_restore(priv);
	}
}

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johannes berg
2
2.86%
1
33.33%
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70
100.00%
3
100.00%



static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
{
	struct ath9k_vif_iter_data *iter_data = data;
	int i;

	if (iter_data->hw_macaddr != NULL) {
		for (i = 0; i < ETH_ALEN; i++)
			iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
	} else {
		iter_data->hw_macaddr = mac;
	}
}

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mathy vanhoef
19
22.89%
1
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83
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static void ath9k_htc_set_mac_bssid_mask(struct ath9k_htc_priv *priv,
				     struct ieee80211_vif *vif)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_vif_iter_data iter_data;

	/*
         * Pick the MAC address of the first interface as the new hardware
         * MAC address. The hardware will use it together with the BSSID mask
         * when matching addresses.
         */
	iter_data.hw_macaddr = NULL;
	eth_broadcast_addr(iter_data.mask);

	if (vif)
		ath9k_htc_bssid_iter(&iter_data, vif->addr, vif);

	/* Get list of all active MAC addresses */
	ieee80211_iterate_active_interfaces_atomic(
		priv->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
		ath9k_htc_bssid_iter, &iter_data);

	memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);

	if (iter_data.hw_macaddr)
		memcpy(common->macaddr, iter_data.hw_macaddr, ETH_ALEN);

	ath_hw_setbssidmask(common);
}

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mathy vanhoef
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19.30%
1
25.00%
johannes berg
johannes berg
2
1.75%
1
25.00%
joe perches
joe perches
1
0.88%
1
25.00%
Total
114
100.00%
4
100.00%



static void ath9k_htc_set_opmode(struct ath9k_htc_priv *priv)
{
	if (priv->num_ibss_vif)
		priv->ah->opmode = NL80211_IFTYPE_ADHOC;
	else if (priv->num_ap_vif)
		priv->ah->opmode = NL80211_IFTYPE_AP;
	else if (priv->num_mbss_vif)
		priv->ah->opmode = NL80211_IFTYPE_MESH_POINT;
	else
		priv->ah->opmode = NL80211_IFTYPE_STATION;

	ath9k_hw_setopmode(priv->ah);
}

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71
100.00%
2
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void ath9k_htc_reset(struct ath9k_htc_priv *priv)
{
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	struct ieee80211_channel *channel = priv->hw->conf.chandef.chan;
	struct ath9k_hw_cal_data *caldata = NULL;
	enum htc_phymode mode;
	__be16 htc_mode;
	u8 cmd_rsp;
	int ret;

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

	ath9k_htc_stop_ani(priv);
	ieee80211_stop_queues(priv->hw);

	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);

	caldata = &priv->caldata;
	ret = ath9k_hw_reset(ah, ah->curchan, caldata, false);
	if (ret) {
		ath_err(common,
			"Unable to reset device (%u Mhz) reset status %d\n",
			channel->center_freq, ret);
	}

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

	WMI_CMD(WMI_START_RECV_CMDID);
	ath9k_host_rx_init(priv);

	mode = ath9k_htc_get_curmode(priv, ah->curchan);
	htc_mode = cpu_to_be16(mode);
	WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);

	WMI_CMD(WMI_ENABLE_INTR_CMDID);
	htc_start(priv->htc);
	ath9k_htc_vif_reconfig(priv);
	ieee80211_wake_queues(priv->hw);

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

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

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2
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karl beldan
karl beldan
3
1.10%
1
11.11%
Total
273
100.00%
9
100.00%



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;
	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);
	caldata = fastcc ? NULL : &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));

	/* perform spectral scan if requested. */
	if (test_bit(ATH_OP_SCANNING, &common->op_flags) &&
		     priv->spec_priv.spectral_mode == SPECTRAL_CHANSCAN)
		ath9k_cmn_spectral_scan_trigger(common, &priv->spec_priv);
err:
	ath9k_htc_ps_restore(priv);
	return ret;
}

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2
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rajkumar manoharan
22
5.34%
3
15.00%
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felix fietkau
14
3.40%
1
5.00%
vivek natarajan
vivek natarajan
10
2.43%
1
5.00%
joe perches
joe perches
4
0.97%
3
15.00%
sf markus elfring
sf markus elfring
4
0.97%
1
5.00%
karl beldan
karl beldan
3
0.73%
1
5.00%
Total
412
100.00%
20
100.00%

/*
 * Monitor mode handling is a tad complicated because the firmware requires
 * an interface to be created exclusively, while mac80211 doesn't associate
 * an interface with the mode.
 *
 * So, for now, only one monitor interface can be configured.
 */


static void __ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_vif hvif;
	int ret = 0;
	u8 cmd_rsp;

	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
	memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
	hvif.index = priv->mon_vif_idx;
	WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
	if (ret) {
		ath_err(common, "Unable to remove monitor interface at idx: %d\n",
			priv->mon_vif_idx);
	}

	priv->nvifs--;
	priv->vif_slot &= ~(1 << priv->mon_vif_idx);
}

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static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_vif hvif;
	struct ath9k_htc_target_sta tsta;
	int ret = 0, sta_idx;
	u8 cmd_rsp;

	if ((priv->nvifs >= ATH9K_HTC_MAX_VIF) ||
	    (priv->nstations >= ATH9K_HTC_MAX_STA)) {
		ret = -ENOBUFS;
		goto err_vif;
	}

	sta_idx = ffz(priv->sta_slot);
	if ((sta_idx < 0) || (sta_idx > ATH9K_HTC_MAX_STA)) {
		ret = -ENOBUFS;
		goto err_vif;
	}

	/*
         * Add an interface.
         */
	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
	memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);

	hvif.opmode = HTC_M_MONITOR;
	hvif.index = ffz(priv->vif_slot);

	WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif);
	if (ret)
		goto err_vif;

	/*
         * Assign the monitor interface index as a special case here.
         * This is needed when the interface is brought down.
         */
	priv->mon_vif_idx = hvif.index;
	priv->vif_slot |= (1 << hvif.index);

	/*
         * Set the hardware mode to monitor only if there are no
         * other interfaces.
         */
	if (!priv->nvifs)
		priv->ah->opmode = NL80211_IFTYPE_MONITOR;

	priv->nvifs++;

	/*
         * Associate a station with the interface for packet injection.
         */
	memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta));

	memcpy(&tsta.macaddr, common->macaddr, ETH_ALEN);

	tsta.is_vif_sta = 1;
	tsta.sta_index = sta_idx;
	tsta.vif_index = hvif.index;
	tsta.maxampdu = cpu_to_be16(0xffff);

	WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta);
	if (ret) {
		ath_err(common, "Unable to add station entry for monitor mode\n");
		goto err_sta;
	}

	priv->sta_slot |= (1 << sta_idx);
	priv->nstations++;
	priv->vif_sta_pos[priv->mon_vif_idx] = sta_idx;
	priv->ah->is_monitoring = true;

	ath_dbg(common, CONFIG,
		"Attached a monitor interface at idx: %d, sta idx: %d\n",
		priv->mon_vif_idx, sta_idx);

	return 0;

err_sta:
	/*
         * Remove the interface from the target.
         */
	__ath9k_htc_remove_monitor_interface(priv);
err_vif:
	ath_dbg(common, FATAL, "Unable to attach a monitor interface\n");

	return ret;
}

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1
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2
0.55%
1
16.67%
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361
100.00%
6
100.00%



static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	int ret = 0;
	u8 cmd_rsp, sta_idx;

	__ath9k_htc_remove_monitor_interface(priv);

	sta_idx = priv->vif_sta_pos[priv->mon_vif_idx];

	WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx);
	if (ret) {
		ath_err(common, "Unable to remove station entry for monitor mode\n");
		return ret;
	}

	priv->sta_slot &= ~(1 << sta_idx);
	priv->nstations--;
	priv->ah->is_monitoring = false;

	ath_dbg(common, CONFIG,
		"Removed a monitor interface at idx: %d, sta idx: %d\n",
		priv->mon_vif_idx, sta_idx);

	return 0;
}

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48
41.74%
1
20.00%
joe perches
joe perches
1
0.87%
1
20.00%
Total
115
100.00%
5
100.00%



static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
				 struct ieee80211_vif *vif,
				 struct ieee80211_sta *sta)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_sta tsta;
	struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv;
	struct ath9k_htc_sta *ista;
	int ret, sta_idx;
	u8 cmd_rsp;
	u16 maxampdu;

	if (priv->nstations >= ATH9K_HTC_MAX_STA)
		return -ENOBUFS;

	sta_idx = ffz(priv->sta_slot);
	if ((sta_idx < 0) || (sta_idx > ATH9K_HTC_MAX_STA))
		return -ENOBUFS;

	memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta));

	if (sta) {
		ista = (struct ath9k_htc_sta *) sta->drv_priv;
		memcpy(&tsta.macaddr, sta->addr, ETH_ALEN);
		memcpy(&tsta.bssid, common->curbssid, ETH_ALEN);
		ista->index = sta_idx;
		tsta.is_vif_sta = 0;
		maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
				 sta->ht_cap.ampdu_factor);
		tsta.maxampdu = cpu_to_be16(maxampdu);
	} else {
		memcpy(&tsta.macaddr, vif->addr, ETH_ALEN);
		tsta.is_vif_sta = 1;
		tsta.maxampdu = cpu_to_be16(0xffff);
	}

	tsta.sta_index = sta_idx;
	tsta.vif_index = avp->index;

	WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta);
	if (ret) {
		if (sta)
			ath_err(common,
				"Unable to add station entry for: %pM\n",
				sta->addr);
		return ret;
	}

	if (sta) {
		ath_dbg(common, CONFIG,
			"Added a station entry for: %pM (idx: %d)\n",
			sta->addr, tsta.sta_index);
	} else {
		ath_dbg(common, CONFIG,
			"Added a station entry for VIF %d (idx: %d)\n",
			avp->index, tsta.sta_index);
	}

	priv->sta_slot |= (1 << sta_idx);
	priv->nstations++;
	if (!sta)
		priv->vif_sta_pos[avp->index] = sta_idx;

	return 0;
}

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CommitProp
sujith manoharan
sujith manoharan
317
89.30%
4
50.00%
mohammed shafi shajakhan
mohammed shafi shajakhan
34
9.58%
1
12.50%
joe perches
joe perches
4
1.13%
3
37.50%
Total
355
100.00%
8
100.00%



static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv,
				    struct ieee80211_vif *vif,
				    struct ieee80211_sta *sta)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_vif *avp = (struct ath9k_htc_vif *) vif->drv_priv;
	struct ath9k_htc_sta *ista;
	int ret;
	u8 cmd_rsp, sta_idx;

	if (sta) {
		ista = (struct ath9k_htc_sta *) sta->drv_priv;
		sta_idx = ista->index;
	} else {
		sta_idx = priv->vif_sta_pos[avp->index];
	}

	WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx);
	if (ret) {
		if (sta)
			ath_err(common,
				"Unable to remove station entry for: %pM\n",
				sta->addr);
		return ret;
	}

	if (sta) {
		ath_dbg(common, CONFIG,
			"Removed a station entry for: %pM (idx: %d)\n",
			sta->addr, sta_idx);
	} else {
		ath_dbg(common, CONFIG,
			"Removed a station entry for VIF %d (idx: %d)\n",
			avp->index, sta_idx);
	}

	priv->sta_slot &= ~(1 << sta_idx);
	priv->nstations--;

	return 0;
}

Contributors
Person
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sujith manoharan
sujith manoharan
183
97.86%
2
40.00%
joe perches
joe perches
4
2.14%
3
60.00%
Total
187
100.00%
5
100.00%



int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
				u8 enable_coex)
{
	struct ath9k_htc_cap_target tcap;
	int ret;
	u8 cmd_rsp;

	memset(&tcap, 0, sizeof(struct ath9k_htc_cap_target));

	tcap.ampdu_limit = cpu_to_be32(0xffff);
	tcap.ampdu_subframes = 0xff;
	tcap.enable_coex = enable_coex;
	tcap.tx_chainmask = priv->ah->caps.tx_chainmask;

	WMI_CMD_BUF(WMI_TARGET_IC_UPDATE_CMDID, &tcap);

	return ret;
}

Contributors
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sujith manoharan
sujith manoharan
81
100.00%
4
100.00%
Total
81
100.00%
4
100.00%



static void ath9k_htc_setup_rate(struct ath9k_htc_priv *priv,
				 struct ieee80211_sta *sta,
				 struct ath9k_htc_target_rate *trate)
{
	struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;
	struct ieee80211_supported_band *sband;
	u32 caps = 0;
	int i, j;

	sband = priv->hw->wiphy->bands[priv->hw->conf.chandef.chan->band];

	for (i = 0, j = 0; i < sband->n_bitrates; i++) {
		if (sta->supp_rates[sband->band] & BIT(i)) {
			trate->rates.legacy_rates.rs_rates[j]
				= (sband->bitrates[i].bitrate * 2) / 10;
			j++;
		}
	}
	trate->rates.legacy_rates.rs_nrates = j;

	if (sta->ht_cap.ht_supported) {
		for (i = 0, j = 0; i < 77; i++) {
			if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8)))
				trate->rates.ht_rates.rs_rates[j++] = i;
			if (j == ATH_HTC_RATE_MAX)
				break;
		}
		trate->rates.ht_rates.rs_nrates = j;

		caps = WLAN_RC_HT_FLAG;
		if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
			caps |= ATH_RC_TX_STBC_FLAG;
		if (sta->ht_cap.mcs.rx_mask[1])
			caps |= WLAN_RC_DS_FLAG;
		if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
		     (conf_is_ht40(&priv->hw->conf)))
			caps |= WLAN_RC_40_FLAG;
		if (conf_is_ht40(&priv->hw->conf) &&
		    (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40))
			caps |= WLAN_RC_SGI_FLAG;
		else if (conf_is_ht20(&priv->hw->conf) &&
			 (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20))
			caps |= WLAN_RC_SGI_FLAG;
	}

	trate->sta_index = ista->index;
	trate->isnew = 1;
	trate->capflags = cpu_to_be32(caps);
}

Contributors
Person
Tokens
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sujith manoharan
sujith manoharan
344
91.73%
6
66.67%
vivek natarajan
vivek natarajan
14
3.73%
1
11.11%
oleksij rempel
oleksij rempel
14
3.73%
1
11.11%
karl beldan
karl beldan
3
0.80%
1
11.11%
Total
375
100.00%
9
100.00%



static int ath9k_htc_send_rate_cmd(struct ath9k_htc_priv *priv,
				    struct ath9k_htc_target_rate *trate)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	int ret;
	u8 cmd_rsp;

	WMI_CMD_BUF(WMI_RC_RATE_UPDATE_CMDID, trate);
	if (ret) {
		ath_err(common,
			"Unable to initialize Rate information on target\n");
	}

	return ret;
}

Contributors
Person
Tokens
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sujith manoharan
sujith manoharan
56
98.25%
2
66.67%
joe perches
joe perches
1
1.75%
1
33.33%
Total
57
100.00%
3
100.00%



static void ath9k_htc_init_rate(struct ath9k_htc_priv *priv,
				struct ieee80211_sta *sta)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_rate trate;
	int ret;

	memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
	ath9k_htc_setup_rate(priv, sta, &trate);
	ret = ath9k_htc_send_rate_cmd(priv, &trate);
	if (!ret)
		ath_dbg(common, CONFIG,
			"Updated target sta: %pM, rate caps: 0x%X\n",
			sta->addr, be32_to_cpu(trate.capflags));
}

Contributors
Person
Tokens
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CommitProp
sujith manoharan
sujith manoharan
92
97.87%
3
60.00%
joe perches
joe perches
2
2.13%
2
40.00%
Total
94
100.00%
5
100.00%



static void ath9k_htc_update_rate(struct ath9k_htc_priv *priv,
				  struct ieee80211_vif *vif,
				  struct ieee80211_bss_conf *bss_conf)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_rate trate;
	struct ieee80211_sta *sta;
	int ret;

	memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));

	rcu_read_lock();
	sta = ieee80211_find_sta(vif, bss_conf->bssid);
	if (!sta) {
		rcu_read_unlock();
		return;
	}
	ath9k_htc_setup_rate(priv, sta, &trate);
	rcu_read_unlock();

	ret = ath9k_htc_send_rate_cmd(priv, &trate);
	if (!ret)
		ath_dbg(common, CONFIG,
			"Updated target sta: %pM, rate caps: 0x%X\n",
			bss_conf->bssid, be32_to_cpu(trate.capflags));
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
130
98.48%
1
33.33%
joe perches
joe perches
2
1.52%
2
66.67%
Total
132
100.00%
3
100.00%



static int ath9k_htc_tx_aggr_oper(struct ath9k_htc_priv *priv,
				  struct ieee80211_vif *vif,
				  struct ieee80211_sta *sta,
				  enum ieee80211_ampdu_mlme_action action,
				  u16 tid)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_aggr aggr;
	struct ath9k_htc_sta *ista;
	int ret = 0;
	u8 cmd_rsp;

	if (tid >= ATH9K_HTC_MAX_TID)
		return -EINVAL;

	memset(&aggr, 0, sizeof(struct ath9k_htc_target_aggr));
	ista = (struct ath9k_htc_sta *) sta->drv_priv;

	aggr.sta_index = ista->index;
	aggr.tidno = tid & 0xf;
	aggr.aggr_enable = (action == IEEE80211_AMPDU_TX_START) ? true : false;

	WMI_CMD_BUF(WMI_TX_AGGR_ENABLE_CMDID, &aggr);
	if (ret)
		ath_dbg(common, CONFIG,
			"Unable to %s TX aggregation for (%pM, %d)\n",
			(aggr.aggr_enable) ? "start" : "stop", sta->addr, tid);
	else
		ath_dbg(common, CONFIG,
			"%s TX aggregation for (%pM, %d)\n",
			(aggr.aggr_enable) ? "Starting" : "Stopping",
			sta->addr, tid);

	spin_lock_bh(&priv->tx.tx_lock);
	ista->tid_state[tid] = (aggr.aggr_enable && !ret) ? AGGR_START : AGGR_STOP;
	spin_unlock_bh(&priv->tx.tx_lock);

	return ret;
}

Contributors
Person
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sujith manoharan
sujith manoharan
222
97.37%
4
50.00%
joe perches
joe perches
4
1.75%
2
25.00%
luis r. rodriguez
luis r. rodriguez
1
0.44%
1
12.50%
dan carpenter
dan carpenter
1
0.44%
1
12.50%
Total
228
100.00%
8
100.00%

/*******/
/* ANI */
/*******/



void ath9k_htc_start_ani(struct ath9k_htc_priv *priv)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	unsigned long timestamp = jiffies_to_msecs(jiffies);

	common->ani.longcal_timer = timestamp;
	common->ani.shortcal_timer = timestamp;
	common->ani.checkani_timer = timestamp;

	set_bit(ATH_OP_ANI_RUN, &common->op_flags);

	ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
				     msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
}

Contributors
Person
Tokens
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sujith manoharan
sujith manoharan
80
97.56%
3
75.00%
oleksij rempel
oleksij rempel
2
2.44%
1
25.00%
Total
82
100.00%
4
100.00%



void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);
	cancel_delayed_work_sync(&priv->ani_work);
	clear_bit(ATH_OP_ANI_RUN, &common->op_flags);
}

Contributors
Person
Tokens
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CommitProp
sujith manoharan
sujith manoharan
26
65.00%
3
75.00%
oleksij rempel
oleksij rempel
14
35.00%
1
25.00%
Total
40
100.00%
4
100.00%



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 or -ETIMEDOUT
         */
	if (common->ani.caldone <= 0) {
		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) > 0;

		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);
	/*
         * Short calibration applies only while caldone
         * is false or -ETIMEDOUT
         */
	if (common->ani.caldone <= 0)
		cal_interval = min(cal_interval, (u32)short_cal_interval);

	ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
				     msecs_to_jiffies(cal_interval));
}

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sujith manoharan
sujith manoharan
362
90.50%
3
33.33%
vivek natarajan
vivek natarajan
24
6.00%
1
11.11%
oleksij rempel
oleksij rempel
6
1.50%
1
11.11%
joe perches
joe perches
4
1.00%
2
22.22%
felix fietkau
felix fietkau
2
0.50%
1
11.11%
andrzej hajda
andrzej hajda
2
0.50%
1
11.11%
Total
400
100.00%
9
100.00%

/**********************/
/* mac80211 Callbacks */
/**********************/



static void ath9k_htc_tx(struct ieee80211_hw *hw,
			 struct ieee80211_tx_control *control,
			 struct sk_buff *skb)
{
	struct ieee80211_hdr *hdr;
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	int padpos, padsize, ret, slot;

	hdr = (struct ieee80211_hdr *) skb->data;

	/* Add the padding after the header if this is not already done */
	padpos = ieee80211_hdrlen(hdr->frame_control);
	padsize = padpos & 3;
	if (padsize && skb->len > padpos) {
		if (skb_headroom(skb) < padsize) {
			ath_dbg(common, XMIT, "No room for padding\n");
			goto fail_tx;
		}
		skb_push(skb, padsize);
		memmove(skb->data, skb->data + padsize, padpos);
	}

	slot = ath9k_htc_tx_get_slot(priv);
	if (slot < 0) {
		ath_dbg(common, XMIT, "No free TX slot\n");
		goto fail_tx;
	}

	ret = ath9k_htc_tx_start(priv, control->sta, skb, slot, false);
	if (ret != 0) {
		ath_dbg(common, XMIT, "Tx failed\n");
		goto clear_slot;
	}

	ath9k_htc_check_stop_queues(priv);

	return;

clear_slot:
	ath9k_htc_tx_clear_slot(priv, slot);
fail_tx:
	dev_kfree_skb_any(skb);
}

Contributors
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sujith manoharan
sujith manoharan
206
91.15%
5
50.00%
thomas huehn
thomas huehn
9
3.98%
1
10.00%
johannes berg
johannes berg
5
2.21%
1
10.00%
joe perches
joe perches
5
2.21%
2
20.00%
felix fietkau
felix fietkau
1
0.44%
1
10.00%
Total
226
100.00%
10
100.00%



static int ath9k_htc_start(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);
	struct ieee80211_channel *curchan = hw->conf.chandef.chan;
	struct ath9k_channel *init_channel;
	int ret = 0;
	enum htc_phymode mode;
	__be16 htc_mode;
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);

	ath_dbg(common, CONFIG,
		"Starting driver with initial channel: %d MHz\n",
		curchan->center_freq);

	/* Ensure that HW is awake before flushing RX */
	ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
	WMI_CMD(WMI_FLUSH_RECV_CMDID);

	/* setup initial channel */
	init_channel = ath9k_cmn_get_channel(hw, ah, &hw->conf.chandef);

	ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
	if (ret) {
		ath_err(common,
			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
			ret, curchan->center_freq);
		mutex_unlock(&priv->mutex);
		return ret;
	}

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

	mode = ath9k_htc_get_curmode(priv, init_channel);
	htc_mode = cpu_to_be16(mode);
	WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);
	WMI_CMD(WMI_ATH_INIT_CMDID);
	WMI_CMD(WMI_START_RECV_CMDID);

	ath9k_host_rx_init(priv);

	ret = ath9k_htc_update_cap_target(priv, 0);
	if (ret)
		ath_dbg(common, CONFIG,
			"Failed to update capability in target\n");

	clear_bit(ATH_OP_INVALID, &common->op_flags);
	htc_start(priv->htc);

	spin_lock_bh(&priv->tx.tx_lock);
	priv->tx.flags &= ~ATH9K_HTC_OP_TX_QUEUES_STOP;
	spin_unlock_bh(&priv->tx.tx_lock);

	ieee80211_wake_queues(hw);

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

	ath9k_htc_start_btcoex(priv);

	mutex_unlock(&priv->mutex);

	return ret;
}

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sujith manoharan
sujith manoharan
288
87.01%
12
54.55%
rajkumar manoharan
rajkumar manoharan
14
4.23%
1
4.55%
felix fietkau
felix fietkau
12
3.63%
2
9.09%
vivek natarajan
vivek natarajan
7
2.11%
2
9.09%
joe perches
joe perches
5
1.51%
3
13.64%
karl beldan
karl beldan
3
0.91%
1
4.55%
oleksij rempel
oleksij rempel
2
0.60%
1
4.55%
Total
331
100.00%
22
100.00%



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 (test_bit(ATH_OP_INVALID, &common->op_flags)) {
		ath_dbg(common, 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);

	ath9k_htc_stop_btcoex(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);

	set_bit(ATH_OP_INVALID, &common->op_flags);

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

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sujith manoharan
sujith manoharan
176
68.22%
13
61.90%
stanislaw gruszka
stanislaw gruszka
48
18.60%
1
4.76%
vivek natarajan
vivek natarajan
22
8.53%
3
14.29%
oleksij rempel
oleksij rempel
4
1.55%
1
4.76%
rajkumar manoharan
rajkumar manoharan
4
1.55%
1
4.76%
joe perches
joe perches
4
1.55%
2
9.52%
Total
258
100.00%
21
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
352
91.19%
12
66.67%
javier cardona
javier cardona
19
4.92%
1
5.56%
vivek natarajan
vivek natarajan
10
2.59%
1
5.56%
joe perches
joe perches
2
0.52%
2
11.11%
oleksij rempel
oleksij rempel
2
0.52%
1
5.56%
mathy vanhoef
mathy vanhoef
1
0.26%
1
5.56%
Total
386
100.00%
18
100.00%



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);
	if (ret) {
		ath_err(common, "Unable to remove interface at idx: %d\n",
			avp->index);
	}
	priv->nvifs--;
	priv->vif_slot &= ~(1 << avp->index);

	if (priv->csa_vif == vif)
		priv->csa_vif = NULL;

	ath9k_htc_remove_station(priv, vif, NULL);

	DEC_VIF(priv, vif->type);

	if ((vif->type == NL80211_IFTYPE_AP) ||
	     vif->type == NL80211_IFTYPE_MESH_POINT ||
	    (vif->type == NL80211_IFTYPE_ADHOC))
		ath9k_htc_remove_bslot(priv, vif);

	ath9k_htc_set_opmode(priv);

	ath9k_htc_set_mac_bssid_mask(priv, vif);

	/*
         * 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, IEEE80211_IFACE_ITER_RESUME_ALL,
			ath9k_htc_vif_iter, priv);
		if (!priv->rearm_ani)
			ath9k_htc_stop_ani(priv);
	}

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

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

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
283
92.18%
9
64.29%
chun-yeow yeoh
chun-yeow yeoh
14
4.56%
1
7.14%
javier cardona
javier cardona
6
1.95%
1
7.14%
johannes berg
johannes berg
2
0.65%
1
7.14%
mathy vanhoef
mathy vanhoef
1
0.33%
1
7.14%
joe perches
joe perches
1
0.33%
1
7.14%
Total
307
100.00%
14
100.00%



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;
}

Contributors
Person
Tokens
Prop
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CommitProp
sujith manoharan
sujith manoharan
261
70.16%
7
41.18%
vivek natarajan
vivek natarajan
78
20.97%
2
11.76%
rajkumar manoharan
rajkumar manoharan
16
4.30%
1
5.88%
felix fietkau
felix fietkau
8
2.15%
2
11.76%
karl beldan
karl beldan
5
1.34%
1
5.88%
joe perches
joe perches
3
0.81%
3
17.65%
simon wunderlich
simon wunderlich
1
0.27%
1
5.88%
Total
372
100.00%
17
100.00%


#define SUPPORTED_FILTERS			\
	(FIF_ALLMULTI |                         \
        FIF_CONTROL |                           \
        FIF_PSPOLL |                            \
        FIF_OTHER_BSS |                         \
        FIF_BCN_PRBRESP_PROMISC |               \
        FIF_PROBE_REQ |                         \
        FIF_FCSFAIL)



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;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	u32 rfilt;

	mutex_lock(&priv->mutex);
	changed_flags &= SUPPORTED_FILTERS;
	*total_flags &= SUPPORTED_FILTERS;

	if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
		ath_dbg(ath9k_hw_common(priv->ah), ANY,
			"Unable to configure filter on invalid state\n");
		mutex_unlock(&priv->mutex);
		return;
	}
	ath9k_htc_ps_wakeup(priv);

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

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

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

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
102
64.56%
3
33.33%
rajkumar manoharan
rajkumar manoharan
26
16.46%
1
11.11%
oleksij rempel
oleksij rempel
14
8.86%
1
11.11%
larry finger
larry finger
8
5.06%
1
11.11%
vivek natarajan
vivek natarajan
5
3.16%
1
11.11%
joe perches
joe perches
3
1.90%
2
22.22%
Total
158
100.00%
9
100.00%



static void ath9k_htc_sta_rc_update_work(struct work_struct *work)
{
	struct ath9k_htc_sta *ista =
	    container_of(work, struct ath9k_htc_sta, rc_update_work);
	struct ieee80211_sta *sta =
	    container_of((void *)ista, struct ieee80211_sta, drv_priv);
	struct ath9k_htc_priv *priv = ista->htc_priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_rate trate;

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

	memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
	ath9k_htc_setup_rate(priv, sta, &trate);
	if (!ath9k_htc_send_rate_cmd(priv, &trate))
		ath_dbg(common, CONFIG,
			"Supported rates for sta: %pM updated, rate caps: 0x%X\n",
			sta->addr, be32_to_cpu(trate.capflags));
	else
		ath_dbg(common, CONFIG,
			"Unable to update supported rates for sta: %pM\n",
			sta->addr);

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

Contributors
Person
Tokens
Prop
Commits
CommitProp
stanislaw gruszka
stanislaw gruszka
165
100.00%
1
100.00%
Total
165
100.00%
1
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
85
72.65%
4
80.00%
stanislaw gruszka
stanislaw gruszka
32
27.35%
1
20.00%
Total
117
100.00%
5
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
89
83.96%
5
83.33%
stanislaw gruszka
stanislaw gruszka
17
16.04%
1
16.67%
Total
106
100.00%
6
100.00%



static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw,
				    struct ieee80211_vif *vif,
				    struct ieee80211_sta *sta, u32 changed)
{
	struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv;

	if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED))
		return;

	schedule_work(&ista->rc_update_work);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
antonio quartulli
antonio quartulli
40
71.43%
1
33.33%
stanislaw gruszka
stanislaw gruszka
16
28.57%
2
66.67%
Total
56
100.00%
3
100.00%



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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
230
95.44%
5
50.00%
eliad peller
eliad peller
5
2.07%
1
10.00%
joe perches
joe perches
4
1.66%
3
30.00%
felix fietkau
felix fietkau
2
0.83%
1
10.00%
Total
241
100.00%
10
100.00%



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;

	if ((vif->type == NL80211_IFTYPE_ADHOC ||
	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
	    (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
	     key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
		/*
                 * For now, disable hw crypto for the RSN IBSS group keys. This
                 * could be optimized in the future to use a modified key cache
                 * design to support per-STA RX GTK, but until that gets
                 * implemented, use of software crypto for group addressed
                 * frames is a acceptable to allow RSN IBSS to be used.
                 */
		return -EOPNOTSUPP;
	}

	mutex_lock(&priv->mutex);
	ath_dbg(common, 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_tx &&
			    key->cipher == WLAN_CIPHER_SUITE_CCMP)
				key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
			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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
181
73.28%
2
20.00%
antonio quartulli
antonio quartulli
46
18.62%
1
10.00%
vivek natarajan
vivek natarajan
10
4.05%
1
10.00%
johannes berg
johannes berg
5
2.02%
2
20.00%
bruno randolf
bruno randolf
2
0.81%
1
10.00%
joe perches
joe perches
2
0.81%
2
20.00%
chun-yeow yeoh
chun-yeow yeoh
1
0.40%
1
10.00%
Total
247
100.00%
10
100.00%



static void ath9k_htc_set_bssid(struct ath9k_htc_priv *priv)
{
	struct ath_common *common = ath9k_hw_common(priv->ah);

	ath9k_hw_write_associd(priv->ah);
	ath_dbg(common, CONFIG, "BSSID: %pM aid: 0x%x\n",
		common->curbssid, common->curaid);
}

Contributors
Person
Tokens
Prop
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CommitProp
sujith manoharan
sujith manoharan
46
97.87%
1
50.00%
joe perches
joe perches
1
2.13%
1
50.00%
Total
47
100.00%
2
100.00%



static void ath9k_htc_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *)data;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;

	if ((vif->type == NL80211_IFTYPE_STATION) && bss_conf->assoc) {
		common->curaid = bss_conf->aid;
		common->last_rssi = ATH_RSSI_DUMMY_MARKER;
		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
		set_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
90
84.91%
1
33.33%
oleksij rempel
oleksij rempel
16
15.09%
2
66.67%
Total
106
100.00%
3
100.00%



static void ath9k_htc_choose_set_bssid(struct ath9k_htc_priv *priv)
{
	if (priv->num_sta_assoc_vif == 1) {
		ieee80211_iterate_active_interfaces_atomic(
			priv->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
			ath9k_htc_bss_iter, priv);
		ath9k_htc_set_bssid(priv);
	}
}

Contributors
Person
Tokens
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Commits
CommitProp
sujith manoharan
sujith manoharan
37
94.87%
1
50.00%
johannes berg
johannes berg
2
5.13%
1
50.00%
Total
39
100.00%
2
100.00%



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);
}

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Person
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CommitProp
sujith manoharan
sujith manoharan
398
77.13%
8
53.33%
oleksij rempel
oleksij rempel
65
12.60%
3
20.00%
javier cardona
javier cardona
33
6.40%
1
6.67%
vivek natarajan
vivek natarajan
10
1.94%
1
6.67%
rajkumar manoharan
rajkumar manoharan
6
1.16%
1
6.67%
joe perches
joe perches
4
0.78%
1
6.67%
Total
516
100.00%
15
100.00%



static u64 ath9k_htc_get_tsf(struct ieee80211_hw *hw,
			     struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = hw->priv;
	u64 tsf;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);
	tsf = ath9k_hw_gettsf64(priv->ah);
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);

	return tsf;
}

Contributors
Person
Tokens
Prop
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CommitProp
sujith manoharan
sujith manoharan
61
92.42%
2
66.67%
eliad peller
eliad peller
5
7.58%
1
33.33%
Total
66
100.00%
3
100.00%



static void ath9k_htc_set_tsf(struct ieee80211_hw *hw,
			      struct ieee80211_vif *vif, u64 tsf)
{
	struct ath9k_htc_priv *priv = hw->priv;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);
	ath9k_hw_settsf64(priv->ah, tsf);
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}

Contributors
Person
Tokens
Prop
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CommitProp
sujith manoharan
sujith manoharan
58
92.06%
2
66.67%
eliad peller
eliad peller
5
7.94%
1
33.33%
Total
63
100.00%
3
100.00%



static void ath9k_htc_reset_tsf(struct ieee80211_hw *hw,
				struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = hw->priv;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);
	ath9k_hw_reset_tsf(priv->ah);
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
49
84.48%
2
50.00%
eliad peller
eliad peller
5
8.62%
1
25.00%
vivek natarajan
vivek natarajan
4
6.90%
1
25.00%
Total
58
100.00%
4
100.00%



static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
				  struct ieee80211_vif *vif,
				  struct ieee80211_ampdu_params *params)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath9k_htc_sta *ista;
	int ret = 0;
	struct ieee80211_sta *sta = params->sta;
	enum ieee80211_ampdu_mlme_action action = params->action;
	u16 tid = params->tid;

	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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
199
85.41%
5
62.50%
sara sharon
sara sharon
26
11.16%
1
12.50%
johannes berg
johannes berg
7
3.00%
1
12.50%
joe perches
joe perches
1
0.43%
1
12.50%
Total
233
100.00%
8
100.00%



static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw,
				    struct ieee80211_vif *vif,
				    const u8 *mac_addr)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);

	mutex_lock(&priv->mutex);
	spin_lock_bh(&priv->beacon_lock);
	set_bit(ATH_OP_SCANNING, &common->op_flags);
	spin_unlock_bh(&priv->beacon_lock);
	cancel_work_sync(&priv->ps_work);
	ath9k_htc_stop_ani(priv);
	mutex_unlock(&priv->mutex);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sujith manoharan
sujith manoharan
65
67.01%
3
50.00%
oleksij rempel
oleksij rempel
14
14.43%
1
16.67%
johannes berg
johannes berg
10
10.31%
1
16.67%
vivek natarajan
vivek natarajan
8
8.25%
1
16.67%
Total
97
100.00%
6
100.00%



static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw,
				       struct ieee80211_vif *vif)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);

	mutex_lock(&priv->mutex);
	spin_lock_bh(&priv->beacon_lock);
	clear_bit(ATH_OP_SCANNING, &common->op_flags);
	spin_unlock_bh(&priv->beacon_lock);
	ath9k_htc_ps_wakeup(priv);
	ath9k_htc_vif_reconfig(priv);
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}

Contributors
Person
Tokens
Prop
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CommitProp
sujith manoharan
sujith manoharan
67
71.28%
4
50.00%
oleksij rempel
oleksij rempel
14
14.89%
1
12.50%
vivek natarajan
vivek natarajan
8
8.51%
2
25.00%
johannes berg
johannes berg
5
5.32%
1
12.50%
Total
94
100.00%
8
100.00%



static int ath9k_htc_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
	return 0;
}

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sujith manoharan
sujith manoharan
17
100.00%
1
100.00%
Total
17
100.00%
1
100.00%



static void ath9k_htc_set_coverage_class(struct ieee80211_hw *hw,
					 s16 coverage_class)
{
	struct ath9k_htc_priv *priv = hw->priv;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);
	priv->ah->coverage_class = coverage_class;
	ath9k_hw_init_global_settings(priv->ah);
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
}

Contributors
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CommitProp
sujith manoharan
sujith manoharan
63
98.44%
2
66.67%
lorenzo bianconi
lorenzo bianconi
1
1.56%
1
33.33%
Total
64
100.00%
3
100.00%

/*
 * Currently, this is used only for selecting the minimum rate
 * for management frames, rate selection for data frames remain
 * unaffected.
 */


static int ath9k_htc_set_bitrate_mask(struct ieee80211_hw *hw,
				      struct ieee80211_vif *vif,
				      const struct cfg80211_bitrate_mask *mask)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ath9k_htc_target_rate_mask tmask;
	struct ath9k_htc_vif *avp = (void *)vif->drv_priv;
	int ret = 0;
	u8 cmd_rsp;

	memset(&tmask, 0, sizeof(struct ath9k_htc_target_rate_mask));

	tmask.vif_index = avp->index;
	tmask.band = NL80211_BAND_2GHZ;
	tmask.mask = cpu_to_be32(mask->control[NL80211_BAND_2GHZ].legacy);

	WMI_CMD_BUF(WMI_BITRATE_MASK_CMDID, &tmask);
	if (ret) {
		ath_err(common,
			"Unable to set 2G rate mask for "
			"interface at idx: %d\n", avp->index);
		goto out;
	}

	tmask.band = NL80211_BAND_5GHZ;
	tmask.mask = cpu_to_be32(mask->control[NL80211_BAND_5GHZ].legacy);

	WMI_CMD_BUF(WMI_BITRATE_MASK_CMDID, &tmask);
	if (ret) {
		ath_err(common,
			"Unable to set 5G rate mask for "
			"interface at idx: %d\n", avp->index);
		goto out;
	}

	ath_dbg(common, CONFIG, "Set bitrate masks: 0x%x, 0x%x\n",
		mask->control[NL80211_BAND_2GHZ].legacy,
		mask->control[NL80211_BAND_5GHZ].legacy);
out:
	return ret;
}


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sujith manoharan
sujith manoharan
217
96.88%
1
33.33%
johannes berg
johannes berg
6
2.68%
1
33.33%
joe perches
joe perches
1
0.45%
1
33.33%
Total
224
100.00%
3
100.00%



static int ath9k_htc_get_stats(struct ieee80211_hw *hw,
			       struct ieee80211_low_level_stats *stats)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath9k_mib_stats *mib_stats = &ah->ah_mibStats;

	stats->dot11ACKFailureCount = mib_stats->ackrcv_bad;
	stats->dot11RTSFailureCount = mib_stats->rts_bad;
	stats->dot11FCSErrorCount = mib_stats->fcs_bad;
	stats->dot11RTSSuccessCount = mib_stats->rts_good;

	return 0;
}

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mohammed shafi shajakhan
mohammed shafi shajakhan
79
100.00%
1
100.00%
Total
79
100.00%
1
100.00%



struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv)
{
	struct base_eep_header *pBase = NULL;
	/*
         * This can be done since all the 3 EEPROM families have the
         * same base header upto a certain point, and we are interested in
         * the data only upto that point.
         */

	if (AR_SREV_9271(priv->ah))
		pBase = (struct base_eep_header *)
			&priv->ah->eeprom.map4k.baseEepHeader;
	else if (priv->ah->hw_version.usbdev == AR9280_USB)
		pBase = (struct base_eep_header *)
			&priv->ah->eeprom.def.baseEepHeader;
	else if (priv->ah->hw_version.usbdev == AR9287_USB)
		pBase = (struct base_eep_header *)
			&priv->ah->eeprom.map9287.baseEepHeader;
	return pBase;
}


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ben greear
ben greear
112
100.00%
1
100.00%
Total
112
100.00%
1
100.00%



static int ath9k_htc_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant,
				 u32 *rx_ant)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct base_eep_header *pBase = ath9k_htc_get_eeprom_base(priv);
	if (pBase) {
		*tx_ant = pBase->txMask;
		*rx_ant = pBase->rxMask;
	} else {
		*tx_ant = 0;
		*rx_ant = 0;
	}
	return 0;
}

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ben greear
ben greear
74
100.00%
1
100.00%
Total
74
100.00%
1
100.00%



static void ath9k_htc_channel_switch_beacon(struct ieee80211_hw *hw,
					    struct ieee80211_vif *vif,
					    struct cfg80211_chan_def *chandef)
{
	struct ath9k_htc_priv *priv = hw->priv;

	/* mac80211 does not support CSA in multi-if cases (yet) */
	if (WARN_ON(priv->csa_vif))
		return;

	priv->csa_vif = vif;
}

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chun-yeow yeoh
chun-yeow yeoh
47
100.00%
1
100.00%
Total
47
100.00%
1
100.00%


struct ieee80211_ops ath9k_htc_ops = {
	.tx                 = ath9k_htc_tx,
	.start              = ath9k_htc_start,
	.stop               = ath9k_htc_stop,
	.add_interface      = ath9k_htc_add_interface,
	.remove_interface   = ath9k_htc_remove_interface,
	.config             = ath9k_htc_config,
	.configure_filter   = ath9k_htc_configure_filter,
	.sta_add            = ath9k_htc_sta_add,
	.sta_remove         = ath9k_htc_sta_remove,
	.conf_tx            = ath9k_htc_conf_tx,
	.sta_rc_update      = ath9k_htc_sta_rc_update,
	.bss_info_changed   = ath9k_htc_bss_info_changed,
	.set_key            = ath9k_htc_set_key,
	.get_tsf            = ath9k_htc_get_tsf,
	.set_tsf            = ath9k_htc_set_tsf,
	.reset_tsf          = ath9k_htc_reset_tsf,
	.ampdu_action       = ath9k_htc_ampdu_action,
	.sw_scan_start      = ath9k_htc_sw_scan_start,
	.sw_scan_complete   = ath9k_htc_sw_scan_complete,
	.set_rts_threshold  = ath9k_htc_set_rts_threshold,
	.rfkill_poll        = ath9k_htc_rfkill_poll_state,
	.set_coverage_class = ath9k_htc_set_coverage_class,
	.set_bitrate_mask   = ath9k_htc_set_bitrate_mask,
	.get_stats	    = ath9k_htc_get_stats,
	.get_antenna	    = ath9k_htc_get_antenna,
	.channel_switch_beacon	= ath9k_htc_channel_switch_beacon,

#ifdef CONFIG_ATH9K_HTC_DEBUGFS
	.get_et_sset_count  = ath9k_htc_get_et_sset_count,
	.get_et_stats       = ath9k_htc_get_et_stats,
	.get_et_strings     = ath9k_htc_get_et_strings,
#endif
};
Overall Contributors
Person
Tokens
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CommitProp
sujith manoharan
sujith manoharan
7059
77.73%
65
49.62%
vivek natarajan
vivek natarajan
417
4.59%
5
3.82%
stanislaw gruszka
stanislaw gruszka
278
3.06%
3
2.29%
rajkumar manoharan
rajkumar manoharan
264
2.91%
8
6.11%
ben greear
ben greear
213
2.35%
2
1.53%
oleksij rempel
oleksij rempel
202
2.22%
8
6.11%
mohammed shafi shajakhan
mohammed shafi shajakhan
118
1.30%
2
1.53%
antonio quartulli
antonio quartulli
91
1.00%
2
1.53%
javier cardona
javier cardona
79
0.87%
1
0.76%
chun-yeow yeoh
chun-yeow yeoh
67
0.74%
2
1.53%
joe perches
joe perches
65
0.72%
4
3.05%
johannes berg
johannes berg
47
0.52%
8
6.11%
felix fietkau
felix fietkau
46
0.51%
7
5.34%
mathy vanhoef
mathy vanhoef
43
0.47%
1
0.76%
sara sharon
sara sharon
26
0.29%
1
0.76%
eliad peller
eliad peller
20
0.22%
2
1.53%
karl beldan
karl beldan
17
0.19%
1
0.76%
thomas huehn
thomas huehn
9
0.10%
1
0.76%
larry finger
larry finger
8
0.09%
1
0.76%
sf markus elfring
sf markus elfring
4
0.04%
1
0.76%
andrzej hajda
andrzej hajda
2
0.02%
1
0.76%
bruno randolf
bruno randolf
2
0.02%
1
0.76%
lorenzo bianconi
lorenzo bianconi
1
0.01%
1
0.76%
luis r. rodriguez
luis r. rodriguez
1
0.01%
1
0.76%
simon wunderlich
simon wunderlich
1
0.01%
1
0.76%
dan carpenter
dan carpenter
1
0.01%
1
0.76%
Total
9081
100.00%
131
100.00%
  
Directory: drivers/net/wireless/ath/ath9k

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