diff options
| author | Javier Cardona <javier@cozybit.com> | 2009-07-07 10:55:03 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-24 15:05:31 -0400 |
| commit | 249b405cf8145da8a74b70544ae1079d244bdb00 (patch) | |
| tree | be2d79554f8a00ec74038e8526ceb1ce7a8daf3e /net/mac80211/rx.c | |
| parent | 3d34deb6737b1ae1f8b7817b57d603807f5d88ea (diff) | |
| download | lwn-249b405cf8145da8a74b70544ae1079d244bdb00.tar.gz lwn-249b405cf8145da8a74b70544ae1079d244bdb00.zip | |
mac80211: Fix regression in mesh forwarding path.
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/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 7f33f775c5df..66c797cc85ce 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1479,10 +1479,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) unsigned int hdrlen; struct sk_buff *skb = rx->skb, *fwd_skb; struct ieee80211_local *local = rx->local; + struct ieee80211_sub_if_data *sdata; hdr = (struct ieee80211_hdr *) skb->data; hdrlen = ieee80211_hdrlen(hdr->frame_control); mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); + sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); if (!ieee80211_is_data(hdr->frame_control)) return RX_CONTINUE; @@ -1492,10 +1494,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) return RX_DROP_MONITOR; if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6){ - struct ieee80211_sub_if_data *sdata; struct mesh_path *mppath; - sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); rcu_read_lock(); mppath = mpp_path_lookup(mesh_hdr->eaddr2, sdata); if (!mppath) { @@ -1541,6 +1541,19 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; fwd_skb->iif = rx->dev->ifindex; ieee80211_select_queue(local, fwd_skb); + if (is_multicast_ether_addr(fwd_hdr->addr3)) + memcpy(fwd_hdr->addr1, fwd_hdr->addr3, + ETH_ALEN); + else { + int err = mesh_nexthop_lookup(fwd_skb, sdata); + /* Failed to immediately resolve next hop: + * fwded frame was dropped or will be added + * later to the pending skb queue. */ + if (err) + return RX_DROP_MONITOR; + } + IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh, + fwded_frames); ieee80211_add_pending_skb(local, fwd_skb); } } |