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path: root/drivers/net/wireless/ath/ar9170
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Diffstat (limited to 'drivers/net/wireless/ath/ar9170')
-rw-r--r--drivers/net/wireless/ath/ar9170/ar9170.h9
-rw-r--r--drivers/net/wireless/ath/ar9170/hw.h1
-rw-r--r--drivers/net/wireless/ath/ar9170/mac.c2
-rw-r--r--drivers/net/wireless/ath/ar9170/main.c110
-rw-r--r--drivers/net/wireless/ath/ar9170/usb.c2
5 files changed, 55 insertions, 69 deletions
diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h
index 9f9459860d8..b99a8c2053d 100644
--- a/drivers/net/wireless/ath/ar9170/ar9170.h
+++ b/drivers/net/wireless/ath/ar9170/ar9170.h
@@ -109,7 +109,6 @@ struct ar9170_rxstream_mpdu_merge {
bool has_plcp;
};
-#define AR9170_NUM_MAX_BA_RETRY 5
#define AR9170_NUM_TID 16
#define WME_BA_BMP_SIZE 64
#define AR9170_NUM_MAX_AGG_LEN (2 * WME_BA_BMP_SIZE)
@@ -143,7 +142,6 @@ struct ar9170_sta_tid {
u16 tid;
enum ar9170_tid_state state;
bool active;
- u8 retry;
};
#define AR9170_QUEUE_TIMEOUT 64
@@ -154,6 +152,8 @@ struct ar9170_sta_tid {
#define AR9170_NUM_TX_STATUS 128
#define AR9170_NUM_TX_AGG_MAX 30
+#define AR9170_NUM_TX_LIMIT_HARD AR9170_TXQ_DEPTH
+#define AR9170_NUM_TX_LIMIT_SOFT (AR9170_TXQ_DEPTH - 10)
struct ar9170 {
struct ieee80211_hw *hw;
@@ -248,13 +248,8 @@ struct ar9170_sta_info {
unsigned int ampdu_max_len;
};
-#define AR9170_TX_FLAG_WAIT_FOR_ACK BIT(0)
-#define AR9170_TX_FLAG_NO_ACK BIT(1)
-#define AR9170_TX_FLAG_BLOCK_ACK BIT(2)
-
struct ar9170_tx_info {
unsigned long timeout;
- unsigned int flags;
};
#define IS_STARTED(a) (((struct ar9170 *)a)->state >= AR9170_STARTED)
diff --git a/drivers/net/wireless/ath/ar9170/hw.h b/drivers/net/wireless/ath/ar9170/hw.h
index 701ddb7d840..0a1d4c28e68 100644
--- a/drivers/net/wireless/ath/ar9170/hw.h
+++ b/drivers/net/wireless/ath/ar9170/hw.h
@@ -276,6 +276,7 @@ struct ar9170_tx_control {
#define AR9170_TX_MAC_RATE_PROBE 0x8000
/* either-or */
+#define AR9170_TX_PHY_MOD_MASK 0x00000003
#define AR9170_TX_PHY_MOD_CCK 0x00000000
#define AR9170_TX_PHY_MOD_OFDM 0x00000001
#define AR9170_TX_PHY_MOD_HT 0x00000002
diff --git a/drivers/net/wireless/ath/ar9170/mac.c b/drivers/net/wireless/ath/ar9170/mac.c
index ddc8c09dc79..857e8610429 100644
--- a/drivers/net/wireless/ath/ar9170/mac.c
+++ b/drivers/net/wireless/ath/ar9170/mac.c
@@ -117,7 +117,7 @@ int ar9170_set_qos(struct ar9170 *ar)
ar9170_regwrite(AR9170_MAC_REG_AC1_AC0_TXOP,
ar->edcf[0].txop | ar->edcf[1].txop << 16);
ar9170_regwrite(AR9170_MAC_REG_AC3_AC2_TXOP,
- ar->edcf[1].txop | ar->edcf[3].txop << 16);
+ ar->edcf[2].txop | ar->edcf[3].txop << 16);
ar9170_regwrite_finish();
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index f9d6db8d013..4d27f7f67c7 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -194,12 +194,15 @@ static inline u16 ar9170_get_seq(struct sk_buff *skb)
return ar9170_get_seq_h((void *) txc->frame_data);
}
+static inline u16 ar9170_get_tid_h(struct ieee80211_hdr *hdr)
+{
+ return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK;
+}
+
static inline u16 ar9170_get_tid(struct sk_buff *skb)
{
struct ar9170_tx_control *txc = (void *) skb->data;
- struct ieee80211_hdr *hdr = (void *) txc->frame_data;
-
- return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK;
+ return ar9170_get_tid_h((struct ieee80211_hdr *) txc->frame_data);
}
#define GET_NEXT_SEQ(seq) ((seq + 1) & 0x0fff)
@@ -213,10 +216,10 @@ static void ar9170_print_txheader(struct ar9170 *ar, struct sk_buff *skb)
struct ar9170_tx_info *arinfo = (void *) txinfo->rate_driver_data;
struct ieee80211_hdr *hdr = (void *) txc->frame_data;
- printk(KERN_DEBUG "%s: => FRAME [skb:%p, q:%d, DA:[%pM] flags:%x s:%d "
+ printk(KERN_DEBUG "%s: => FRAME [skb:%p, q:%d, DA:[%pM] s:%d "
"mac_ctrl:%04x, phy_ctrl:%08x, timeout:[%d ms]]\n",
wiphy_name(ar->hw->wiphy), skb, skb_get_queue_mapping(skb),
- ieee80211_get_DA(hdr), arinfo->flags, ar9170_get_seq_h(hdr),
+ ieee80211_get_DA(hdr), ar9170_get_seq_h(hdr),
le16_to_cpu(txc->mac_control), le32_to_cpu(txc->phy_control),
jiffies_to_msecs(arinfo->timeout - jiffies));
}
@@ -430,7 +433,7 @@ void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb)
spin_lock_irqsave(&ar->tx_stats_lock, flags);
ar->tx_stats[queue].len--;
- if (skb_queue_empty(&ar->tx_pending[queue])) {
+ if (ar->tx_stats[queue].len < AR9170_NUM_TX_LIMIT_SOFT) {
#ifdef AR9170_QUEUE_STOP_DEBUG
printk(KERN_DEBUG "%s: wake queue %d\n",
wiphy_name(ar->hw->wiphy), queue);
@@ -440,22 +443,17 @@ void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb)
}
spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
- if (arinfo->flags & AR9170_TX_FLAG_BLOCK_ACK) {
- ar9170_tx_ampdu_callback(ar, skb);
- } else if (arinfo->flags & AR9170_TX_FLAG_WAIT_FOR_ACK) {
- arinfo->timeout = jiffies +
- msecs_to_jiffies(AR9170_TX_TIMEOUT);
-
- skb_queue_tail(&ar->tx_status[queue], skb);
- } else if (arinfo->flags & AR9170_TX_FLAG_NO_ACK) {
+ if (info->flags & IEEE80211_TX_CTL_NO_ACK) {
ar9170_tx_status(ar, skb, AR9170_TX_STATUS_FAILED);
} else {
-#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: unsupported frame flags!\n",
- wiphy_name(ar->hw->wiphy));
- ar9170_print_txheader(ar, skb);
-#endif /* AR9170_QUEUE_DEBUG */
- dev_kfree_skb_any(skb);
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
+ ar9170_tx_ampdu_callback(ar, skb);
+ } else {
+ arinfo->timeout = jiffies +
+ msecs_to_jiffies(AR9170_TX_TIMEOUT);
+
+ skb_queue_tail(&ar->tx_status[queue], skb);
+ }
}
if (!ar->tx_stats[queue].len &&
@@ -1407,17 +1405,6 @@ static int ar9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
(is_valid_ether_addr(ieee80211_get_DA(hdr)))) {
- if (info->flags & IEEE80211_TX_CTL_AMPDU) {
- if (unlikely(!info->control.sta))
- goto err_out;
-
- txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_AGGR);
- arinfo->flags = AR9170_TX_FLAG_BLOCK_ACK;
-
- goto out;
- }
-
- txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_RATE_PROBE);
/*
* WARNING:
* Putting the QoS queue bits into an unexplored territory is
@@ -1431,12 +1418,17 @@ static int ar9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
txc->phy_control |=
cpu_to_le32(queue << AR9170_TX_PHY_QOS_SHIFT);
- arinfo->flags = AR9170_TX_FLAG_WAIT_FOR_ACK;
- } else {
- arinfo->flags = AR9170_TX_FLAG_NO_ACK;
+
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
+ if (unlikely(!info->control.sta))
+ goto err_out;
+
+ txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_AGGR);
+ } else {
+ txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_RATE_PROBE);
+ }
}
-out:
return 0;
err_out:
@@ -1671,8 +1663,7 @@ static bool ar9170_tx_ampdu(struct ar9170 *ar)
* tell the FW/HW that this is the last frame,
* that way it will wait for the immediate block ack.
*/
- if (likely(skb_peek_tail(&agg)))
- ar9170_tx_indicate_immba(ar, skb_peek_tail(&agg));
+ ar9170_tx_indicate_immba(ar, skb_peek_tail(&agg));
#ifdef AR9170_TXAGG_DEBUG
printk(KERN_DEBUG "%s: generated A-MPDU looks like this:\n",
@@ -1716,6 +1707,21 @@ static void ar9170_tx(struct ar9170 *ar)
for (i = 0; i < __AR9170_NUM_TXQ; i++) {
spin_lock_irqsave(&ar->tx_stats_lock, flags);
+ frames = min(ar->tx_stats[i].limit - ar->tx_stats[i].len,
+ skb_queue_len(&ar->tx_pending[i]));
+
+ if (remaining_space < frames) {
+#ifdef AR9170_QUEUE_DEBUG
+ printk(KERN_DEBUG "%s: tx quota reached queue:%d, "
+ "remaining slots:%d, needed:%d\n",
+ wiphy_name(ar->hw->wiphy), i, remaining_space,
+ frames);
+#endif /* AR9170_QUEUE_DEBUG */
+ frames = remaining_space;
+ }
+
+ ar->tx_stats[i].len += frames;
+ ar->tx_stats[i].count += frames;
if (ar->tx_stats[i].len >= ar->tx_stats[i].limit) {
#ifdef AR9170_QUEUE_DEBUG
printk(KERN_DEBUG "%s: queue %d full\n",
@@ -1733,25 +1739,8 @@ static void ar9170_tx(struct ar9170 *ar)
__ar9170_dump_txstats(ar);
#endif /* AR9170_QUEUE_STOP_DEBUG */
ieee80211_stop_queue(ar->hw, i);
- spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
- continue;
}
- frames = min(ar->tx_stats[i].limit - ar->tx_stats[i].len,
- skb_queue_len(&ar->tx_pending[i]));
-
- if (remaining_space < frames) {
-#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: tx quota reached queue:%d, "
- "remaining slots:%d, needed:%d\n",
- wiphy_name(ar->hw->wiphy), i, remaining_space,
- frames);
-#endif /* AR9170_QUEUE_DEBUG */
- frames = remaining_space;
- }
-
- ar->tx_stats[i].len += frames;
- ar->tx_stats[i].count += frames;
spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
if (!frames)
@@ -1773,7 +1762,7 @@ static void ar9170_tx(struct ar9170 *ar)
arinfo->timeout = jiffies +
msecs_to_jiffies(AR9170_TX_TIMEOUT);
- if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK)
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
atomic_inc(&ar->tx_ampdu_pending);
#ifdef AR9170_QUEUE_DEBUG
@@ -1784,7 +1773,7 @@ static void ar9170_tx(struct ar9170 *ar)
err = ar->tx(ar, skb);
if (unlikely(err)) {
- if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK)
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
atomic_dec(&ar->tx_ampdu_pending);
frames_failed++;
@@ -1950,7 +1939,7 @@ err_free:
}
static int ar9170_op_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct ar9170 *ar = hw->priv;
struct ath_common *common = &ar->common;
@@ -1963,8 +1952,8 @@ static int ar9170_op_add_interface(struct ieee80211_hw *hw,
goto unlock;
}
- ar->vif = conf->vif;
- memcpy(common->macaddr, conf->mac_addr, ETH_ALEN);
+ ar->vif = vif;
+ memcpy(common->macaddr, vif->addr, ETH_ALEN);
if (modparam_nohwcrypt || (ar->vif->type != NL80211_IFTYPE_STATION)) {
ar->rx_software_decryption = true;
@@ -1984,7 +1973,7 @@ unlock:
}
static void ar9170_op_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct ar9170 *ar = hw->priv;
@@ -2366,7 +2355,6 @@ static void ar9170_sta_notify(struct ieee80211_hw *hw,
sta_info->agg[i].state = AR9170_TID_STATE_SHUTDOWN;
sta_info->agg[i].active = false;
sta_info->agg[i].ssn = 0;
- sta_info->agg[i].retry = 0;
sta_info->agg[i].tid = i;
INIT_LIST_HEAD(&sta_info->agg[i].list);
skb_queue_head_init(&sta_info->agg[i].queue);
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index e0799d92405..0f361186b78 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -84,6 +84,8 @@ static struct usb_device_id ar9170_usb_ids[] = {
{ USB_DEVICE(0x0cde, 0x0023) },
/* Z-Com UB82 ABG */
{ USB_DEVICE(0x0cde, 0x0026) },
+ /* Sphairon Homelink 1202 */
+ { USB_DEVICE(0x0cde, 0x0027) },
/* Arcadyan WN7512 */
{ USB_DEVICE(0x083a, 0xf522) },
/* Planex GWUS300 */