summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/core/skbuff.c1
-rw-r--r--net/mac80211/ht.c60
-rw-r--r--net/mac80211/main.c7
-rw-r--r--net/mac80211/rx.c7
-rw-r--r--net/mac80211/tx.c19
-rw-r--r--net/mac80211/wme.c24
6 files changed, 64 insertions, 54 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index cdfe473181af..c4c8a33f3418 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -544,6 +544,7 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb)
C(truesize);
#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
C(do_not_encrypt);
+ C(requeue);
#endif
atomic_set(&n->users, 1);
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 42c3e590df98..08009d4b7d6e 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -458,7 +458,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
u8 *state;
int ret;
- if (tid >= STA_TID_NUM)
+ if ((tid >= STA_TID_NUM) || !(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION))
return -EINVAL;
#ifdef CONFIG_MAC80211_HT_DEBUG
@@ -515,17 +515,19 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
(unsigned long)&sta->timer_to_tid[tid];
init_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
- /* create a new queue for this aggregation */
- ret = ieee80211_ht_agg_queue_add(local, sta, tid);
+ if (hw->ampdu_queues) {
+ /* create a new queue for this aggregation */
+ ret = ieee80211_ht_agg_queue_add(local, sta, tid);
- /* case no queue is available to aggregation
- * don't switch to aggregation */
- if (ret) {
+ /* case no queue is available to aggregation
+ * don't switch to aggregation */
+ if (ret) {
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - queue unavailable for"
- " tid %d\n", tid);
+ printk(KERN_DEBUG "BA request denied - "
+ "queue unavailable for tid %d\n", tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- goto err_unlock_queue;
+ goto err_unlock_queue;
+ }
}
sdata = sta->sdata;
@@ -544,7 +546,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
/* No need to requeue the packets in the agg queue, since we
* held the tx lock: no packet could be enqueued to the newly
* allocated queue */
- ieee80211_ht_agg_queue_remove(local, sta, tid, 0);
+ if (hw->ampdu_queues)
+ ieee80211_ht_agg_queue_remove(local, sta, tid, 0);
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "BA request denied - HW unavailable for"
" tid %d\n", tid);
@@ -554,7 +557,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
}
/* Will put all the packets in the new SW queue */
- ieee80211_requeue(local, ieee802_1d_to_ac[tid]);
+ if (hw->ampdu_queues)
+ ieee80211_requeue(local, ieee802_1d_to_ac[tid]);
spin_unlock_bh(&sta->lock);
/* send an addBA request */
@@ -622,7 +626,8 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
ra, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]);
+ if (hw->ampdu_queues)
+ ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]);
*state = HT_AGG_STATE_REQ_STOP_BA_MSK |
(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
@@ -635,7 +640,8 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
if (ret) {
WARN_ON(ret != -EBUSY);
*state = HT_AGG_STATE_OPERATIONAL;
- ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+ if (hw->ampdu_queues)
+ ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
goto stop_BA_exit;
}
@@ -691,7 +697,8 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Aggregation is on for tid %d \n", tid);
#endif
- ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+ if (hw->ampdu_queues)
+ ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
}
spin_unlock_bh(&sta->lock);
rcu_read_unlock();
@@ -745,16 +752,18 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
ieee80211_send_delba(sta->sdata, ra, tid,
WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE);
- agg_queue = sta->tid_to_tx_q[tid];
-
- ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
-
- /* We just requeued the all the frames that were in the
- * removed queue, and since we might miss a softirq we do
- * netif_schedule_queue. ieee80211_wake_queue is not used
- * here as this queue is not necessarily stopped
- */
- netif_schedule_queue(netdev_get_tx_queue(local->mdev, agg_queue));
+ if (hw->ampdu_queues) {
+ agg_queue = sta->tid_to_tx_q[tid];
+ ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
+
+ /* We just requeued the all the frames that were in the
+ * removed queue, and since we might miss a softirq we do
+ * netif_schedule_queue. ieee80211_wake_queue is not used
+ * here as this queue is not necessarily stopped
+ */
+ netif_schedule_queue(netdev_get_tx_queue(local->mdev,
+ agg_queue));
+ }
spin_lock_bh(&sta->lock);
*state = HT_AGG_STATE_IDLE;
sta->ampdu_mlme.addba_req_num[tid] = 0;
@@ -1011,7 +1020,8 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
*state |= HT_ADDBA_RECEIVED_MSK;
sta->ampdu_mlme.addba_req_num[tid] = 0;
- if (*state == HT_AGG_STATE_OPERATIONAL)
+ if (*state == HT_AGG_STATE_OPERATIONAL &&
+ local->hw.ampdu_queues)
ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
spin_unlock_bh(&sta->lock);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 88c1975a97a5..fa0cc7a1e6b4 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -386,8 +386,6 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
struct sta_info *sta,
struct sk_buff *skb)
{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
sta->tx_filtered_count++;
/*
@@ -434,10 +432,9 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
return;
}
- if (!test_sta_flags(sta, WLAN_STA_PS) &&
- !(info->flags & IEEE80211_TX_CTL_REQUEUE)) {
+ if (!test_sta_flags(sta, WLAN_STA_PS) && !skb->requeue) {
/* Software retry the packet once */
- info->flags |= IEEE80211_TX_CTL_REQUEUE;
+ skb->requeue = 1;
ieee80211_remove_tx_extra(local, sta->key, skb);
dev_queue_xmit(skb);
return;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c4c95f1db605..648a1d0e6c82 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -669,7 +669,6 @@ static int ap_sta_ps_end(struct sta_info *sta)
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
int sent = 0;
- struct ieee80211_tx_info *info;
atomic_dec(&sdata->bss->num_sta_ps);
@@ -685,13 +684,11 @@ static int ap_sta_ps_end(struct sta_info *sta)
/* Send all buffered frames to the station */
while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
- info = IEEE80211_SKB_CB(skb);
sent++;
- info->flags |= IEEE80211_TX_CTL_REQUEUE;
+ skb->requeue = 1;
dev_queue_xmit(skb);
}
while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
- info = IEEE80211_SKB_CB(skb);
local->total_ps_buffered--;
sent++;
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
@@ -699,7 +696,7 @@ static int ap_sta_ps_end(struct sta_info *sta)
"since STA not sleeping anymore\n", sdata->dev->name,
sta->sta.addr, sta->sta.aid);
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
- info->flags |= IEEE80211_TX_CTL_REQUEUE;
+ skb->requeue = 1;
dev_queue_xmit(skb);
}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 541e3e64493d..d6392af9cd20 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -661,6 +661,7 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
size_t hdrlen, per_fragm, num_fragm, payload_len, left;
struct sk_buff **frags, *first, *frag;
@@ -677,9 +678,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
* This scenario is handled in __ieee80211_tx_prepare but extra
* caution taken here as fragmented ampdu may cause Tx stop.
*/
- if (WARN_ON(tx->flags & IEEE80211_TX_CTL_AMPDU ||
- skb_get_queue_mapping(tx->skb) >=
- ieee80211_num_regular_queues(&tx->local->hw)))
+ if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU))
return TX_DROP;
first = tx->skb;
@@ -951,7 +950,8 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
struct ieee80211_sub_if_data *sdata;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- int hdrlen;
+ int hdrlen, tid;
+ u8 *qc, *state;
memset(tx, 0, sizeof(*tx));
tx->skb = skb;
@@ -982,6 +982,15 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
tx->sta = sta_info_get(local, hdr->addr1);
+ if (tx->sta && ieee80211_is_data_qos(hdr->frame_control)) {
+ qc = ieee80211_get_qos_ctl(hdr);
+ tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
+
+ state = &tx->sta->ampdu_mlme.tid_state_tx[tid];
+ if (*state == HT_AGG_STATE_OPERATIONAL)
+ info->flags |= IEEE80211_TX_CTL_AMPDU;
+ }
+
if (is_multicast_ether_addr(hdr->addr1)) {
tx->flags &= ~IEEE80211_TX_UNICAST;
info->flags |= IEEE80211_TX_CTL_NO_ACK;
@@ -1172,7 +1181,7 @@ retry:
* queues, there's no reason for a driver to reject
* a frame there, warn and drop it.
*/
- if (WARN_ON(queue >= ieee80211_num_regular_queues(&local->hw)))
+ if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU))
goto drop;
store = &local->pending_packet[queue];
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index d27ef7f2d4a7..ac71b38f7cb5 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -114,8 +114,8 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
{
struct ieee80211_master_priv *mpriv = netdev_priv(dev);
struct ieee80211_local *local = mpriv->local;
+ struct ieee80211_hw *hw = &local->hw;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct sta_info *sta;
u16 queue;
u8 tid;
@@ -124,21 +124,19 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
if (unlikely(queue >= local->hw.queues))
queue = local->hw.queues - 1;
- if (info->flags & IEEE80211_TX_CTL_REQUEUE) {
+ if (skb->requeue) {
+ if (!hw->ampdu_queues)
+ return queue;
+
rcu_read_lock();
sta = sta_info_get(local, hdr->addr1);
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
if (sta) {
- struct ieee80211_hw *hw = &local->hw;
int ampdu_queue = sta->tid_to_tx_q[tid];
if ((ampdu_queue < ieee80211_num_queues(hw)) &&
- test_bit(ampdu_queue, local->queue_pool)) {
+ test_bit(ampdu_queue, local->queue_pool))
queue = ampdu_queue;
- info->flags |= IEEE80211_TX_CTL_AMPDU;
- } else {
- info->flags &= ~IEEE80211_TX_CTL_AMPDU;
- }
}
rcu_read_unlock();
@@ -159,20 +157,18 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
*p++ = ack_policy | tid;
*p = 0;
+ if (!hw->ampdu_queues)
+ return queue;
+
rcu_read_lock();
sta = sta_info_get(local, hdr->addr1);
if (sta) {
int ampdu_queue = sta->tid_to_tx_q[tid];
- struct ieee80211_hw *hw = &local->hw;
if ((ampdu_queue < ieee80211_num_queues(hw)) &&
- test_bit(ampdu_queue, local->queue_pool)) {
+ test_bit(ampdu_queue, local->queue_pool))
queue = ampdu_queue;
- info->flags |= IEEE80211_TX_CTL_AMPDU;
- } else {
- info->flags &= ~IEEE80211_TX_CTL_AMPDU;
- }
}
rcu_read_unlock();
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 20:26:42 +0000