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authorJohn W. Linville <linville@tuxdriver.com>2012-08-24 11:16:58 -0400
committerJohn W. Linville <linville@tuxdriver.com>2012-08-24 11:16:58 -0400
commite72615f6abde92e961feee13e1078a1352cde4f7 (patch)
tree2327344aa361450be8349c74b67637ed32f070ce /net
parenta0dfb2634e5671770f598cda08002d8cda66ac77 (diff)
parentc6b6eedc29dec8f779fd3420e8c62fd18e7b7c97 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/tx.c38
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,
1811 meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, 1811 meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr,
1812 sdata, NULL, NULL); 1812 sdata, NULL, NULL);
1813 } else { 1813 } else {
1814 int is_mesh_mcast = 1; 1814 /* DS -> MBSS (802.11-2012 13.11.3.3).
1815 const u8 *mesh_da; 1815 * For unicast with unknown forwarding information,
1816 * destination might be in the MBSS or if that fails
1817 * forwarded to another mesh gate. In either case
1818 * resolution will be handled in ieee80211_xmit(), so
1819 * leave the original DA. This also works for mcast */
1820 const u8 *mesh_da = skb->data;
1821
1822 if (mppath)
1823 mesh_da = mppath->mpp;
1824 else if (mpath)
1825 mesh_da = mpath->dst;
1826 rcu_read_unlock();
1816 1827
1817 if (is_multicast_ether_addr(skb->data))
1818 /* DA TA mSA AE:SA */
1819 mesh_da = skb->data;
1820 else {
1821 static const u8 bcast[ETH_ALEN] =
1822 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1823 if (mppath) {
1824 /* RA TA mDA mSA AE:DA SA */
1825 mesh_da = mppath->mpp;
1826 is_mesh_mcast = 0;
1827 } else if (mpath) {
1828 mesh_da = mpath->dst;
1829 is_mesh_mcast = 0;
1830 } else {
1831 /* DA TA mSA AE:SA */
1832 mesh_da = bcast;
1833 }
1834 }
1835 hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc, 1828 hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc,
1836 mesh_da, sdata->vif.addr); 1829 mesh_da, sdata->vif.addr);
1837 rcu_read_unlock(); 1830 if (is_multicast_ether_addr(mesh_da))
1838 if (is_mesh_mcast) 1831 /* DA TA mSA AE:SA */
1839 meshhdrlen = 1832 meshhdrlen =
1840 ieee80211_new_mesh_header(&mesh_hdr, 1833 ieee80211_new_mesh_header(&mesh_hdr,
1841 sdata, 1834 sdata,
1842 skb->data + ETH_ALEN, 1835 skb->data + ETH_ALEN,
1843 NULL); 1836 NULL);
1844 else 1837 else
1838 /* RA TA mDA mSA AE:DA SA */
1845 meshhdrlen = 1839 meshhdrlen =
1846 ieee80211_new_mesh_header(&mesh_hdr, 1840 ieee80211_new_mesh_header(&mesh_hdr,
1847 sdata, 1841 sdata,