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>

2 files changed, 8 insertions, 7 deletions

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index aced9866d815..b4eadd908bea 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1297,7 +1297,8 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
                 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
         } else {
                 /* Decide by priority where to put this frame. */
-                ring = select_ring_by_priority(dev, info->queue);
+                ring = select_ring_by_priority(
+                        dev, skb_get_queue_mapping(skb));
         }
 
         spin_lock_irqsave(&ring->lock, flags);
@@ -1315,7 +1316,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
         /* Assign the queue number to the ring (if not already done before)
          * so TX status handling can use it. The queue to ring mapping is
          * static, so we don't need to store it per frame. */
-        ring->queue_prio = info->queue;
+        ring->queue_prio = skb_get_queue_mapping(skb);
 
         err = dma_tx_fragment(ring, skb);
         if (unlikely(err == -ENOKEY)) {
@@ -1333,7 +1334,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
         if ((free_slots(ring) < SLOTS_PER_PACKET) ||
             should_inject_overflow(ring)) {
                 /* This TX ring is full. */
-                ieee80211_stop_queue(dev->wl->hw, info->queue);
+                ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
                 ring->stopped = 1;
                 if (b43_debug(dev, B43_DBG_DMAVERBOSE)) {
                         b43dbg(dev->wl, "Stopped TX ring %d\n", ring->index);
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 284786a94e7d..8b1555d95f1c 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -509,7 +509,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
                 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
         } else {
                 /* Decide by priority where to put this frame. */
-                q = select_queue_by_priority(dev, info->queue);
+                q = select_queue_by_priority(dev, skb_get_queue_mapping(skb));
         }
 
         spin_lock_irqsave(&q->lock, flags);
@@ -532,7 +532,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
         if (total_len > (q->buffer_size - q->buffer_used)) {
                 /* Not enough memory on the queue. */
                 err = -EBUSY;
-                ieee80211_stop_queue(dev->wl->hw, info->queue);
+                ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
                 q->stopped = 1;
                 goto out_unlock;
         }
@@ -540,7 +540,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
         /* Assign the queue number to the ring (if not already done before)
          * so TX status handling can use it. The mac80211-queue to b43-queue
          * mapping is static, so we don't need to store it per frame. */
-        q->queue_prio = info->queue;
+        q->queue_prio = skb_get_queue_mapping(skb);
 
         err = pio_tx_frame(q, skb);
         if (unlikely(err == -ENOKEY)) {
@@ -560,7 +560,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
         if (((q->buffer_size - q->buffer_used) < roundup(2 + 2 + 6, 4)) ||
             (q->free_packet_slots == 0)) {
                 /* The queue is full. */
-                ieee80211_stop_queue(dev->wl->hw, info->queue);
+                ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
                 q->stopped = 1;
         }