diff options
| author | Vlad Yasevich <vyasevic@redhat.com> | 2013-02-13 16:00:10 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-02-14 04:41:46 +0400 |
| commit | a37b85c9fbd1dc69fbec3985763f373203eaf9e3 (patch) | |
| tree | 3585bf258d87459b48b2d94b66dac9de729ef699 /net/bridge/br_device.c | |
| parent | 243a2e63f5f47763b802e9dee8dbf1611a1c1322 (diff) | |
| download | linux-a37b85c9fbd1dc69fbec3985763f373203eaf9e3.tar.xz | |
bridge: Validate that vlan is permitted on ingress
When a frame arrives on a port or transmitted by the bridge,
if we have VLANs configured, validate that a given VLAN is allowed
to enter the bridge.
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_device.c')
| -rw-r--r-- | net/bridge/br_device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index ca98fa5b2c78..35a2c2c84f33 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -45,6 +45,9 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) brstats->tx_bytes += skb->len; u64_stats_update_end(&brstats->syncp); + if (!br_allowed_ingress(br, br_get_vlan_info(br), skb)) + goto out; + BR_INPUT_SKB_CB(skb)->brdev = dev; skb_reset_mac_header(skb); |