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path: root/drivers/net/wireless/ath/ar9170/main.c
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Diffstat (limited to 'drivers/net/wireless/ath/ar9170/main.c')
-rw-r--r--drivers/net/wireless/ath/ar9170/main.c50
1 files changed, 31 insertions, 19 deletions
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index c1f8c69db165..f9d6db8d013e 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -414,9 +414,9 @@ static void ar9170_tx_ampdu_callback(struct ar9170 *ar, struct sk_buff *skb)
skb_queue_tail(&ar->tx_status_ampdu, skb);
ar9170_tx_fake_ampdu_status(ar);
- ar->tx_ampdu_pending--;
- if (!list_empty(&ar->tx_ampdu_list) && !ar->tx_ampdu_pending)
+ if (atomic_dec_and_test(&ar->tx_ampdu_pending) &&
+ !list_empty(&ar->tx_ampdu_list))
ar9170_tx_ampdu(ar);
}
@@ -850,6 +850,7 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
}
break;
+ case AR9170_RX_STATUS_MODULATION_DUPOFDM:
case AR9170_RX_STATUS_MODULATION_OFDM:
switch (head->plcp[0] & 0xf) {
case 0xb:
@@ -897,8 +898,7 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
status->flag |= RX_FLAG_HT;
break;
- case AR9170_RX_STATUS_MODULATION_DUPOFDM:
- /* XXX */
+ default:
if (ar9170_nag_limiter(ar))
printk(KERN_ERR "%s: invalid modulation\n",
wiphy_name(ar->hw->wiphy));
@@ -1248,6 +1248,7 @@ static int ar9170_op_start(struct ieee80211_hw *hw)
ar->global_ampdu_density = 6;
ar->global_ampdu_factor = 3;
+ atomic_set(&ar->tx_ampdu_pending, 0);
ar->bad_hw_nagger = jiffies;
err = ar->open(ar);
@@ -1773,7 +1774,7 @@ static void ar9170_tx(struct ar9170 *ar)
msecs_to_jiffies(AR9170_TX_TIMEOUT);
if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK)
- ar->tx_ampdu_pending++;
+ atomic_inc(&ar->tx_ampdu_pending);
#ifdef AR9170_QUEUE_DEBUG
printk(KERN_DEBUG "%s: send frame q:%d =>\n",
@@ -1784,7 +1785,7 @@ static void ar9170_tx(struct ar9170 *ar)
err = ar->tx(ar, skb);
if (unlikely(err)) {
if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK)
- ar->tx_ampdu_pending--;
+ atomic_dec(&ar->tx_ampdu_pending);
frames_failed++;
dev_kfree_skb_any(skb);
@@ -1931,7 +1932,7 @@ int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
if (info->flags & IEEE80211_TX_CTL_AMPDU) {
bool run = ar9170_tx_ampdu_queue(ar, skb);
- if (run || !ar->tx_ampdu_pending)
+ if (run || !atomic_read(&ar->tx_ampdu_pending))
ar9170_tx_ampdu(ar);
} else {
unsigned int queue = skb_get_queue_mapping(skb);
@@ -1952,6 +1953,7 @@ static int ar9170_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf)
{
struct ar9170 *ar = hw->priv;
+ struct ath_common *common = &ar->common;
int err = 0;
mutex_lock(&ar->mutex);
@@ -1962,7 +1964,7 @@ static int ar9170_op_add_interface(struct ieee80211_hw *hw,
}
ar->vif = conf->vif;
- memcpy(ar->mac_addr, conf->mac_addr, ETH_ALEN);
+ memcpy(common->macaddr, conf->mac_addr, ETH_ALEN);
if (modparam_nohwcrypt || (ar->vif->type != NL80211_IFTYPE_STATION)) {
ar->rx_software_decryption = true;
@@ -2131,12 +2133,13 @@ static void ar9170_op_bss_info_changed(struct ieee80211_hw *hw,
u32 changed)
{
struct ar9170 *ar = hw->priv;
+ struct ath_common *common = &ar->common;
int err = 0;
mutex_lock(&ar->mutex);
if (changed & BSS_CHANGED_BSSID) {
- memcpy(ar->bssid, bss_conf->bssid, ETH_ALEN);
+ memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
err = ar9170_set_operating_mode(ar);
if (err)
goto out;
@@ -2190,22 +2193,30 @@ static u64 ar9170_op_get_tsf(struct ieee80211_hw *hw)
{
struct ar9170 *ar = hw->priv;
int err;
- u32 tsf_low;
- u32 tsf_high;
u64 tsf;
+#define NR 3
+ static const u32 addr[NR] = { AR9170_MAC_REG_TSF_H,
+ AR9170_MAC_REG_TSF_L,
+ AR9170_MAC_REG_TSF_H };
+ u32 val[NR];
+ int loops = 0;
mutex_lock(&ar->mutex);
- err = ar9170_read_reg(ar, AR9170_MAC_REG_TSF_L, &tsf_low);
- if (!err)
- err = ar9170_read_reg(ar, AR9170_MAC_REG_TSF_H, &tsf_high);
+
+ while (loops++ < 10) {
+ err = ar9170_read_mreg(ar, NR, addr, val);
+ if (err || val[0] == val[2])
+ break;
+ }
+
mutex_unlock(&ar->mutex);
if (WARN_ON(err))
return 0;
-
- tsf = tsf_high;
- tsf = (tsf << 32) | tsf_low;
+ tsf = val[0];
+ tsf = (tsf << 32) | val[1];
return tsf;
+#undef NR
}
static int ar9170_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
@@ -2430,6 +2441,7 @@ static int ar9170_conf_tx(struct ieee80211_hw *hw, u16 queue,
}
static int ar9170_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
{
@@ -2459,7 +2471,7 @@ static int ar9170_ampdu_action(struct ieee80211_hw *hw,
tid_info->state = AR9170_TID_STATE_PROGRESS;
tid_info->active = false;
spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
- ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_STOP:
@@ -2469,7 +2481,7 @@ static int ar9170_ampdu_action(struct ieee80211_hw *hw,
tid_info->active = false;
skb_queue_purge(&tid_info->queue);
spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
- ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL: