leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Browse Source
This commit is contained in:
John W. Linville 2012-08-23 09:51:15 -04:00
commit c6b6eedc29
1 changed files with 16 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
net/mac80211/tx.c
View File

@ -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,