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authorJavier Cardona <javier@cozybit.com>2009-07-07 10:55:03 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-07-24 15:05:31 -0400
commit249b405cf8145da8a74b70544ae1079d244bdb00 (patch)
treebe2d79554f8a00ec74038e8526ceb1ce7a8daf3e /net/mac80211/mesh_hwmp.c
parent3d34deb6737b1ae1f8b7817b57d603807f5d88ea (diff)
mac80211: Fix regression in mesh forwarding path.master-2009-07-24
The removal of the master netdev broke the mesh forwarding path. This patch fixes it by using the new internal 'pending' queue. As a result of this change, mesh forwarding no longer does the inefficient 802.11 -> 802.3 -> 802.11 conversion that was done before. [Changes since v1] Suggested by Johannes: - Select queue before adding to mpath queue - ieee80211_add_pending_skb -> ieee80211_add_pending_skbs - Remove unnecessary header wme.h Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: Andrey Yurovsky <andrey@cozybit.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh_hwmp.c')
-rw-r--r--net/mac80211/mesh_hwmp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 8e86e910edf..e93c37ef6a4 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -784,7 +784,6 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
mesh_path_add(dst_addr, sdata);
mpath = mesh_path_lookup(dst_addr, sdata);
if (!mpath) {
- dev_kfree_skb(skb);
sdata->u.mesh.mshstats.dropped_frames_no_route++;
err = -ENOSPC;
goto endlookup;
@@ -804,6 +803,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
memcpy(hdr->addr1, mpath->next_hop->sta.addr,
ETH_ALEN);
} else {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if (!(mpath->flags & MESH_PATH_RESOLVING)) {
/* Start discovery only if it is not running yet */
mesh_queue_preq(mpath, PREQ_Q_F_START);
@@ -815,6 +815,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
skb_unlink(skb_to_free, &mpath->frame_queue);
}
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
skb_queue_tail(&mpath->frame_queue, skb);
if (skb_to_free)
mesh_path_discard_frame(skb_to_free, sdata);