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path: root/drivers/net/wireless/ath/ath9k/htc_drv_main.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_main.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_main.c485
1 files changed, 331 insertions, 154 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 6bb59958f71..db8c0c044e9 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -24,17 +24,6 @@ static struct dentry *ath9k_debugfs_root;
/* Utilities */
/*************/
-void ath_update_txpow(struct ath9k_htc_priv *priv)
-{
- struct ath_hw *ah = priv->ah;
-
- if (priv->curtxpow != priv->txpowlimit) {
- ath9k_hw_set_txpowerlimit(ah, priv->txpowlimit, false);
- /* read back in case value is clamped */
- priv->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
- }
-}
-
/* 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)
@@ -116,12 +105,88 @@ void ath9k_ps_work(struct work_struct *work)
ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP);
}
+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) && bss_conf->enable_beacon)
+ priv->reconfig_beacon = true;
+
+ if (bss_conf->assoc) {
+ priv->rearm_ani = true;
+ priv->reconfig_beacon = true;
+ }
+}
+
+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,
+ 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);
+ }
+}
+
+static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct ath9k_vif_iter_data *iter_data = data;
+ int i;
+
+ for (i = 0; i < ETH_ALEN; i++)
+ iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
+}
+
+static void ath9k_htc_set_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;
+
+ /*
+ * Use the hardware MAC address as reference, the hardware uses it
+ * together with the BSSID mask when matching addresses.
+ */
+ iter_data.hw_macaddr = common->macaddr;
+ memset(&iter_data.mask, 0xff, ETH_ALEN);
+
+ 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, ath9k_htc_bssid_iter,
+ &iter_data);
+
+ memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
+ ath_hw_setbssidmask(common);
+}
+
+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
+ priv->ah->opmode = NL80211_IFTYPE_STATION;
+
+ ath9k_hw_setopmode(priv->ah);
+}
+
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.channel;
- struct ath9k_hw_cal_data *caldata;
+ struct ath9k_hw_cal_data *caldata = NULL;
enum htc_phymode mode;
__be16 htc_mode;
u8 cmd_rsp;
@@ -130,16 +195,14 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv)
mutex_lock(&priv->mutex);
ath9k_htc_ps_wakeup(priv);
- if (priv->op_flags & OP_ASSOCIATED)
- cancel_delayed_work_sync(&priv->ath9k_ani_work);
-
+ ath9k_htc_stop_ani(priv);
ieee80211_stop_queues(priv->hw);
htc_stop(priv->htc);
WMI_CMD(WMI_DISABLE_INTR_CMDID);
WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
WMI_CMD(WMI_STOP_RECV_CMDID);
- caldata = &priv->caldata[channel->hw_value];
+ caldata = &priv->caldata;
ret = ath9k_hw_reset(ah, ah->curchan, caldata, false);
if (ret) {
ath_err(common,
@@ -147,7 +210,8 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv)
channel->center_freq, ret);
}
- ath_update_txpow(priv);
+ ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit,
+ &priv->curtxpow);
WMI_CMD(WMI_START_RECV_CMDID);
ath9k_host_rx_init(priv);
@@ -158,12 +222,7 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv)
WMI_CMD(WMI_ENABLE_INTR_CMDID);
htc_start(priv->htc);
-
- if (priv->op_flags & OP_ASSOCIATED) {
- ath9k_htc_beacon_config(priv, priv->vif);
- ath_start_ani(priv);
- }
-
+ ath9k_htc_vif_reconfig(priv);
ieee80211_wake_queues(priv->hw);
ath9k_htc_ps_restore(priv);
@@ -179,7 +238,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
struct ieee80211_conf *conf = &common->hw->conf;
bool fastcc;
struct ieee80211_channel *channel = hw->conf.channel;
- struct ath9k_hw_cal_data *caldata;
+ struct ath9k_hw_cal_data *caldata = NULL;
enum htc_phymode mode;
__be16 htc_mode;
u8 cmd_rsp;
@@ -202,7 +261,8 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf),
fastcc);
- caldata = &priv->caldata[channel->hw_value];
+ if (!fastcc)
+ caldata = &priv->caldata;
ret = ath9k_hw_reset(ah, hchan, caldata, fastcc);
if (ret) {
ath_err(common,
@@ -211,7 +271,8 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
goto err;
}
- ath_update_txpow(priv);
+ ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit,
+ &priv->curtxpow);
WMI_CMD(WMI_START_RECV_CMDID);
if (ret)
@@ -230,11 +291,23 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
goto err;
htc_start(priv->htc);
+
+ if (!(priv->op_flags & OP_SCANNING) &&
+ !(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
+ ath9k_htc_vif_reconfig(priv);
+
err:
ath9k_htc_ps_restore(priv);
return ret;
}
+/*
+ * 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);
@@ -244,9 +317,10 @@ static void __ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
- hvif.index = 0; /* Should do for now */
+ hvif.index = priv->mon_vif_idx;
WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
priv->nvifs--;
+ priv->vif_slot &= ~(1 << priv->mon_vif_idx);
}
static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv)
@@ -254,70 +328,87 @@ 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;
+ int ret = 0, sta_idx;
u8 cmd_rsp;
- if (priv->nvifs > 0)
- return -ENOBUFS;
+ if ((priv->nvifs >= ATH9K_HTC_MAX_VIF) ||
+ (priv->nstations >= ATH9K_HTC_MAX_STA)) {
+ ret = -ENOBUFS;
+ goto err_vif;
+ }
- 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)) {
+ 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 = cpu_to_be32(HTC_M_MONITOR);
- priv->ah->opmode = NL80211_IFTYPE_MONITOR;
- hvif.index = priv->nvifs;
+ hvif.index = ffz(priv->vif_slot);
WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif);
if (ret)
- return 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 = priv->nstations;
+ tsta.sta_index = sta_idx;
tsta.vif_index = hvif.index;
tsta.maxampdu = 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_vif;
+ goto err_sta;
}
+ priv->sta_slot |= (1 << sta_idx);
priv->nstations++;
-
- /*
- * Set chainmask etc. on the target.
- */
- ret = ath9k_htc_update_cap_target(priv);
- if (ret)
- ath_dbg(common, ATH_DBG_CONFIG,
- "Failed to update capability in target\n");
-
+ priv->vif_sta_pos[priv->mon_vif_idx] = sta_idx;
priv->ah->is_monitoring = true;
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Attached a monitor interface at idx: %d, sta idx: %d\n",
+ priv->mon_vif_idx, sta_idx);
+
return 0;
-err_vif:
+err_sta:
/*
* Remove the interface from the target.
*/
__ath9k_htc_remove_monitor_interface(priv);
+err_vif:
+ ath_dbg(common, ATH_DBG_FATAL, "Unable to attach a monitor interface\n");
+
return ret;
}
@@ -329,7 +420,7 @@ static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
__ath9k_htc_remove_monitor_interface(priv);
- sta_idx = 0; /* Only single interface, for now */
+ sta_idx = priv->vif_sta_pos[priv->mon_vif_idx];
WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx);
if (ret) {
@@ -337,9 +428,14 @@ static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
return ret;
}
+ priv->sta_slot &= ~(1 << sta_idx);
priv->nstations--;
priv->ah->is_monitoring = false;
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Removed a monitor interface at idx: %d, sta idx: %d\n",
+ priv->mon_vif_idx, sta_idx);
+
return 0;
}
@@ -351,12 +447,16 @@ static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
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;
+ int ret, sta_idx;
u8 cmd_rsp;
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) {
@@ -366,13 +466,13 @@ static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
tsta.associd = common->curaid;
tsta.is_vif_sta = 0;
tsta.valid = true;
- ista->index = priv->nstations;
+ ista->index = sta_idx;
} else {
memcpy(&tsta.macaddr, vif->addr, ETH_ALEN);
tsta.is_vif_sta = 1;
}
- tsta.sta_index = priv->nstations;
+ tsta.sta_index = sta_idx;
tsta.vif_index = avp->index;
tsta.maxampdu = 0xffff;
if (sta && sta->ht_cap.ht_supported)
@@ -387,12 +487,21 @@ static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
return ret;
}
- if (sta)
+ if (sta) {
ath_dbg(common, ATH_DBG_CONFIG,
"Added a station entry for: %pM (idx: %d)\n",
sta->addr, tsta.sta_index);
+ } else {
+ ath_dbg(common, ATH_DBG_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;
}
@@ -401,6 +510,7 @@ static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv,
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;
@@ -409,7 +519,7 @@ static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv,
ista = (struct ath9k_htc_sta *) sta->drv_priv;
sta_idx = ista->index;
} else {
- sta_idx = 0;
+ sta_idx = priv->vif_sta_pos[avp->index];
}
WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx);
@@ -421,12 +531,19 @@ static int ath9k_htc_remove_station(struct ath9k_htc_priv *priv,
return ret;
}
- if (sta)
+ if (sta) {
ath_dbg(common, ATH_DBG_CONFIG,
"Removed a station entry for: %pM (idx: %d)\n",
sta->addr, sta_idx);
+ } else {
+ ath_dbg(common, ATH_DBG_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;
}
@@ -808,7 +925,7 @@ void ath9k_htc_debug_remove_root(void)
/* ANI */
/*******/
-void ath_start_ani(struct ath9k_htc_priv *priv)
+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);
@@ -817,15 +934,22 @@ void ath_start_ani(struct ath9k_htc_priv *priv)
common->ani.shortcal_timer = timestamp;
common->ani.checkani_timer = timestamp;
- ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work,
+ priv->op_flags |= OP_ANI_RUNNING;
+
+ ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
}
-void ath9k_ani_work(struct work_struct *work)
+void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv)
+{
+ cancel_delayed_work_sync(&priv->ani_work);
+ priv->op_flags &= ~OP_ANI_RUNNING;
+}
+
+void ath9k_htc_ani_work(struct work_struct *work)
{
struct ath9k_htc_priv *priv =
- container_of(work, struct ath9k_htc_priv,
- ath9k_ani_work.work);
+ 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;
@@ -834,7 +958,8 @@ void ath9k_ani_work(struct work_struct *work)
unsigned int timestamp = jiffies_to_msecs(jiffies);
u32 cal_interval, short_cal_interval;
- short_cal_interval = ATH_STA_SHORT_CALINTERVAL;
+ 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)
@@ -903,7 +1028,7 @@ set_timer:
if (!common->ani.caldone)
cal_interval = min(cal_interval, (u32)short_cal_interval);
- ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work,
+ ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
msecs_to_jiffies(cal_interval));
}
@@ -911,7 +1036,7 @@ set_timer:
/* mac80211 Callbacks */
/**********************/
-static int ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr;
struct ath9k_htc_priv *priv = hw->priv;
@@ -924,7 +1049,7 @@ static int ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
padsize = padpos & 3;
if (padsize && skb->len > padpos) {
if (skb_headroom(skb) < padsize)
- return -1;
+ goto fail_tx;
skb_push(skb, padsize);
memmove(skb->data, skb->data + padsize, padpos);
}
@@ -945,11 +1070,10 @@ static int ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
goto fail_tx;
}
- return 0;
+ return;
fail_tx:
dev_kfree_skb_any(skb);
- return 0;
}
static int ath9k_htc_start(struct ieee80211_hw *hw)
@@ -987,7 +1111,8 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
return ret;
}
- ath_update_txpow(priv);
+ 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);
@@ -997,6 +1122,11 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
ath9k_host_rx_init(priv);
+ ret = ath9k_htc_update_cap_target(priv);
+ if (ret)
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Failed to update capability in target\n");
+
priv->op_flags &= ~OP_INVALID;
htc_start(priv->htc);
@@ -1051,25 +1181,21 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
cancel_work_sync(&priv->fatal_work);
cancel_work_sync(&priv->ps_work);
cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
+ ath9k_htc_stop_ani(priv);
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);
}
+ /* 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);
@@ -1093,10 +1219,24 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
- /* Only one interface for now */
- if (priv->nvifs > 0) {
- ret = -ENOBUFS;
- goto out;
+ 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);
@@ -1110,6 +1250,9 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
case NL80211_IFTYPE_ADHOC:
hvif.opmode = cpu_to_be32(HTC_M_IBSS);
break;
+ case NL80211_IFTYPE_AP:
+ hvif.opmode = cpu_to_be32(HTC_M_HOSTAP);
+ break;
default:
ath_err(common,
"Interface type %d not yet supported\n", vif->type);
@@ -1117,34 +1260,39 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
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;
+ 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;
- priv->nvifs++;
-
/*
* We need a node in target to tx mgmt frames
* before association.
*/
ret = ath9k_htc_add_station(priv, vif, NULL);
- if (ret)
+ if (ret) {
+ WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
goto out;
+ }
- ret = ath9k_htc_update_cap_target(priv);
- if (ret)
- ath_dbg(common, ATH_DBG_CONFIG,
- "Failed to update capability in target\n");
+ ath9k_htc_set_bssid_mask(priv, vif);
+ priv->vif_slot |= (1 << avp->index);
+ priv->nvifs++;
priv->vif = vif;
+
+ INC_VIF(priv, vif->type);
+ ath9k_htc_set_opmode(priv);
+
+ if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
+ !(priv->op_flags & OP_ANI_RUNNING))
+ ath9k_htc_start_ani(priv);
+
+ ath_dbg(common, ATH_DBG_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);
@@ -1162,8 +1310,6 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw,
int ret = 0;
u8 cmd_rsp;
- ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n");
-
mutex_lock(&priv->mutex);
ath9k_htc_ps_wakeup(priv);
@@ -1172,10 +1318,27 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw,
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);
}
@@ -1211,13 +1374,11 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
* IEEE80211_CONF_CHANGE_CHANNEL is handled.
*/
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
- if (conf->flags & IEEE80211_CONF_MONITOR) {
- if (ath9k_htc_add_monitor_interface(priv))
- ath_err(common, "Failed to set monitor mode\n");
- else
- ath_dbg(common, ATH_DBG_CONFIG,
- "HW opmode set to Monitor mode\n");
- }
+ 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) {
@@ -1252,7 +1413,8 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
if (changed & IEEE80211_CONF_CHANGE_POWER) {
priv->txpowlimit = 2 * conf->power_level;
- ath_update_txpow(priv);
+ ath9k_cmn_update_txpow(priv->ah, priv->curtxpow,
+ priv->txpowlimit, &priv->curtxpow);
}
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
@@ -1439,66 +1601,81 @@ static void ath9k_htc_bss_info_changed(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);
+ 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) {
- 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 (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) {
- /* Set BSSID */
- memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
- ath9k_hw_write_associd(ah);
+ 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);
+ 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)) {
+ 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) {
- 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_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_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_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) {
@@ -1557,12 +1734,14 @@ 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)
+ 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);
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
break;
@@ -1587,6 +1766,8 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
ath_err(ath9k_hw_common(priv->ah), "Unknown AMPDU action\n");
}
+ mutex_unlock(&priv->mutex);
+
return ret;
}
@@ -1599,8 +1780,7 @@ static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
priv->op_flags |= OP_SCANNING;
spin_unlock_bh(&priv->beacon_lock);
cancel_work_sync(&priv->ps_work);
- if (priv->op_flags & OP_ASSOCIATED)
- cancel_delayed_work_sync(&priv->ath9k_ani_work);
+ ath9k_htc_stop_ani(priv);
mutex_unlock(&priv->mutex);
}
@@ -1609,14 +1789,11 @@ static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw)
struct ath9k_htc_priv *priv = hw->priv;
mutex_lock(&priv->mutex);
- ath9k_htc_ps_wakeup(priv);
spin_lock_bh(&priv->beacon_lock);
priv->op_flags &= ~OP_SCANNING;
spin_unlock_bh(&priv->beacon_lock);
- if (priv->op_flags & OP_ASSOCIATED) {
- ath9k_htc_beacon_config(priv, priv->vif);
- ath_start_ani(priv);
- }
+ ath9k_htc_ps_wakeup(priv);
+ ath9k_htc_vif_reconfig(priv);
ath9k_htc_ps_restore(priv);
mutex_unlock(&priv->mutex);
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-22 20:55:23 +0000