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authorDavid S. Miller <davem@davemloft.net>2008-07-17 00:34:19 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-17 19:21:00 -0700
commite8a0464cc950972824e2e128028ae3db666ec1ed (patch)
tree5022b95396c0f3b313531bc39b19543c03551b9a /net/mac80211
parent070825b3840a743e21ebcc44f8279708a4fed977 (diff)
netdev: Allocate multiple queues for TX.
alloc_netdev_mq() now allocates an array of netdev_queue structures for TX, based upon the queue_count argument. Furthermore, all accesses to the TX queues are now vectored through the netdev_get_tx_queue() and netdev_for_each_tx_queue() interfaces. This makes it easy to grep the tree for all things that want to get to a TX queue of a net device. Problem spots which are not really multiqueue aware yet, and only work with one queue, can easily be spotted by grepping for all netdev_get_tx_queue() calls that pass in a zero index. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/main.c4
-rw-r--r--net/mac80211/wme.c12
2 files changed, 8 insertions, 8 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index af0056e7e5b..b486e634f4f 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -621,7 +621,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
/* ensure that TX flow won't interrupt us
* until the end of the call to requeue function */
- txq = &local->mdev->tx_queue;
+ txq = netdev_get_tx_queue(local->mdev, 0);
spin_lock_bh(&txq->lock);
/* create a new queue for this aggregation */
@@ -862,7 +862,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
/* avoid ordering issues: we are the only one that can modify
* the content of the qdiscs */
- txq = &local->mdev->tx_queue;
+ txq = netdev_get_tx_queue(local->mdev, 0);
spin_lock_bh(&txq->lock);
/* remove the queue for this aggregation */
ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 6ae43a3c772..f014cd38c2d 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -574,7 +574,7 @@ static struct Qdisc_ops wme_qdisc_ops __read_mostly =
void ieee80211_install_qdisc(struct net_device *dev)
{
- struct netdev_queue *txq = &dev->tx_queue;
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
struct Qdisc *qdisc;
qdisc = qdisc_create_dflt(dev, txq,
@@ -596,7 +596,7 @@ void ieee80211_install_qdisc(struct net_device *dev)
int ieee80211_qdisc_installed(struct net_device *dev)
{
- struct netdev_queue *txq = &dev->tx_queue;
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
return txq->qdisc_sleeping->ops == &wme_qdisc_ops;
}
@@ -617,7 +617,7 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
struct sta_info *sta, u16 tid)
{
int i;
- struct netdev_queue *txq = &local->mdev->tx_queue;
+ struct netdev_queue *txq = netdev_get_tx_queue(local->mdev, 0);
struct ieee80211_sched_data *q =
qdisc_priv(txq->qdisc_sleeping);
DECLARE_MAC_BUF(mac);
@@ -652,14 +652,14 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
}
/**
- * the caller needs to hold local->mdev->tx_queue.lock
+ * the caller needs to hold netdev_get_tx_queue(local->mdev, X)->lock
*/
void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
struct sta_info *sta, u16 tid,
u8 requeue)
{
struct ieee80211_hw *hw = &local->hw;
- struct netdev_queue *txq = &local->mdev->tx_queue;
+ struct netdev_queue *txq = netdev_get_tx_queue(local->mdev, 0);
struct ieee80211_sched_data *q =
qdisc_priv(txq->qdisc_sleeping);
int agg_queue = sta->tid_to_tx_q[tid];
@@ -676,7 +676,7 @@ void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
void ieee80211_requeue(struct ieee80211_local *local, int queue)
{
- struct netdev_queue *txq = &local->mdev->tx_queue;
+ struct netdev_queue *txq = netdev_get_tx_queue(local->mdev, 0);
struct Qdisc *root_qd = txq->qdisc_sleeping;
struct ieee80211_sched_data *q = qdisc_priv(root_qd);
struct Qdisc *qdisc = q->queues[queue];