diff options
| author | John W. Linville <linville@tuxdriver.com> | 2012-08-23 17:51:15 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-08-23 17:51:15 +0400 |
| commit | c6b6eedc29dec8f779fd3420e8c62fd18e7b7c97 (patch) | |
| tree | 5ff8ed3094d59b5b8ae17ab864e862a4ec5ec37d /net | |
| parent | ea2d218308e5710c70d76eb3c2876988c88119cc (diff) | |
| parent | 27f011243a6e4e8b81078df1d83608dae31e3d38 (diff) | |
| download | linux-c6b6eedc29dec8f779fd3420e8c62fd18e7b7c97.tar.xz | |
Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/tx.c | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index acf712ffb5e6..c5e8c9c31f76 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1811,37 +1811,31 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata, NULL, NULL); } else { - int is_mesh_mcast = 1; - const u8 *mesh_da; + /* DS -> MBSS (802.11-2012 13.11.3.3). + * For unicast with unknown forwarding information, + * destination might be in the MBSS or if that fails + * forwarded to another mesh gate. In either case + * resolution will be handled in ieee80211_xmit(), so + * leave the original DA. This also works for mcast */ + const u8 *mesh_da = skb->data; + + if (mppath) + mesh_da = mppath->mpp; + else if (mpath) + mesh_da = mpath->dst; + rcu_read_unlock(); - if (is_multicast_ether_addr(skb->data)) - /* DA TA mSA AE:SA */ - mesh_da = skb->data; - else { - static const u8 bcast[ETH_ALEN] = - { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - if (mppath) { - /* RA TA mDA mSA AE:DA SA */ - mesh_da = mppath->mpp; - is_mesh_mcast = 0; - } else if (mpath) { - mesh_da = mpath->dst; - is_mesh_mcast = 0; - } else { - /* DA TA mSA AE:SA */ - mesh_da = bcast; - } - } hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc, mesh_da, sdata->vif.addr); - rcu_read_unlock(); - if (is_mesh_mcast) + if (is_multicast_ether_addr(mesh_da)) + /* DA TA mSA AE:SA */ meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata, skb->data + ETH_ALEN, NULL); else + /* RA TA mDA mSA AE:DA SA */ meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata, |