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>
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 6ae43a3..f014cd3 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -574,7 +574,7 @@
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 @@
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 @@
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 @@
}
/**
- * 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_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];