mac80211: use multi-queue master netdevice

This patch updates mac80211 and drivers to be multi-queue aware and
use that instead of the internal queue mapping. Also does a number
of cleanups in various pieces of the code that fall out and reduces
internal mac80211 state size.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 15 insertions, 14 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index d9109dee461f..4f7180b287da 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -331,17 +331,15 @@ void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
 {
         struct ieee80211_local *local = hw_to_local(hw);
 
-        if (test_and_clear_bit(IEEE80211_LINK_STATE_XOFF,
-                               &local->state[queue])) {
-                if (test_bit(IEEE80211_LINK_STATE_PENDING,
-                             &local->state[queue]))
-                        tasklet_schedule(&local->tx_pending_tasklet);
-                else
-                        if (!ieee80211_qdisc_installed(local->mdev)) {
-                                if (queue == 0)
-                                        netif_wake_queue(local->mdev);
-                        } else
-                                __netif_schedule(local->mdev);
+        if (test_bit(queue, local->queues_pending)) {
+                tasklet_schedule(&local->tx_pending_tasklet);
+        } else {
+                if (ieee80211_is_multiqueue(local)) {
+                        netif_wake_subqueue(local->mdev, queue);
+                } else {
+                        WARN_ON(queue != 0);
+                        netif_wake_queue(local->mdev);
+                }
         }
 }
 EXPORT_SYMBOL(ieee80211_wake_queue);
@@ -350,9 +348,12 @@ void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue)
 {
         struct ieee80211_local *local = hw_to_local(hw);
 
-        if (!ieee80211_qdisc_installed(local->mdev) && queue == 0)
+        if (ieee80211_is_multiqueue(local)) {
+                netif_stop_subqueue(local->mdev, queue);
+        } else {
+                WARN_ON(queue != 0);
                 netif_stop_queue(local->mdev);
-        set_bit(IEEE80211_LINK_STATE_XOFF, &local->state[queue]);
+        }
 }
 EXPORT_SYMBOL(ieee80211_stop_queue);
 
@@ -360,7 +361,7 @@ void ieee80211_stop_queues(struct ieee80211_hw *hw)
 {
         int i;
 
-        for (i = 0; i < hw->queues + hw->ampdu_queues; i++)
+        for (i = 0; i < ieee80211_num_queues(hw); i++)
                 ieee80211_stop_queue(hw, i);
 }
 EXPORT_SYMBOL(ieee80211_stop_queues);