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authorJohannes Berg <johannes@sipsolutions.net>2009-10-01 16:06:29 -0400
committerJohn W. Linville <linville@tuxdriver.com>2009-10-07 16:33:49 -0400
commitfbc44bf7177dfd61381da55405550b693943a432 (patch)
tree9869e534f828dd3377cffd2917dfdb6cc72023d3 /net/mac80211/tx.c
parent727c988593271599c9e5943699426afcce1a62d6 (diff)
mac80211: fix vlan and optimise RX
When receiving data frames, we can send them only to the interface they belong to based on transmitting station (this doesn't work for probe requests). Also, don't try to handle other frames for AP_VLAN at all since those interface should only receive data. Additionally, the transmit side must check that the station we're sending a frame to is actually on the interface we're transmitting on, and not transmit packets to functions that live on other interfaces, so validate that as well. Another bug fix is needed in sta_info.c where in the VLAN case when adding/removing stations we overwrite the sdata variable we still need. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r--net/mac80211/tx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index fd4028296613..db4bda681ec9 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1704,7 +1704,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1704 if (!is_multicast_ether_addr(hdr.addr1)) { 1704 if (!is_multicast_ether_addr(hdr.addr1)) {
1705 rcu_read_lock(); 1705 rcu_read_lock();
1706 sta = sta_info_get(local, hdr.addr1); 1706 sta = sta_info_get(local, hdr.addr1);
1707 if (sta) 1707 /* XXX: in the future, use sdata to look up the sta */
1708 if (sta && sta->sdata == sdata)
1708 sta_flags = get_sta_flags(sta); 1709 sta_flags = get_sta_flags(sta);
1709 rcu_read_unlock(); 1710 rcu_read_unlock();
1710 } 1711 }