aboutsummaryrefslogtreecommitdiffstats
path: root/net/bridge
diff options
context:
space:
mode:
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_input.c11
-rw-r--r--net/bridge/br_vlan.c14
2 files changed, 20 insertions, 5 deletions
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 28d544627422..d0cca3c65f01 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -29,6 +29,7 @@ static int br_pass_frame_up(struct sk_buff *skb)
29 struct net_device *indev, *brdev = BR_INPUT_SKB_CB(skb)->brdev; 29 struct net_device *indev, *brdev = BR_INPUT_SKB_CB(skb)->brdev;
30 struct net_bridge *br = netdev_priv(brdev); 30 struct net_bridge *br = netdev_priv(brdev);
31 struct pcpu_sw_netstats *brstats = this_cpu_ptr(br->stats); 31 struct pcpu_sw_netstats *brstats = this_cpu_ptr(br->stats);
32 struct net_port_vlans *pv;
32 33
33 u64_stats_update_begin(&brstats->syncp); 34 u64_stats_update_begin(&brstats->syncp);
34 brstats->rx_packets++; 35 brstats->rx_packets++;
@@ -39,18 +40,18 @@ static int br_pass_frame_up(struct sk_buff *skb)
39 * packet is allowed except in promisc modue when someone 40 * packet is allowed except in promisc modue when someone
40 * may be running packet capture. 41 * may be running packet capture.
41 */ 42 */
43 pv = br_get_vlan_info(br);
42 if (!(brdev->flags & IFF_PROMISC) && 44 if (!(brdev->flags & IFF_PROMISC) &&
43 !br_allowed_egress(br, br_get_vlan_info(br), skb)) { 45 !br_allowed_egress(br, pv, skb)) {
44 kfree_skb(skb); 46 kfree_skb(skb);
45 return NET_RX_DROP; 47 return NET_RX_DROP;
46 } 48 }
47 49
48 skb = br_handle_vlan(br, br_get_vlan_info(br), skb);
49 if (!skb)
50 return NET_RX_DROP;
51
52 indev = skb->dev; 50 indev = skb->dev;
53 skb->dev = brdev; 51 skb->dev = brdev;
52 skb = br_handle_vlan(br, pv, skb);
53 if (!skb)
54 return NET_RX_DROP;
54 55
55 return NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL, 56 return NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL,
56 netif_receive_skb); 57 netif_receive_skb);
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index c77eed56b045..f23c74b3a953 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -128,6 +128,20 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br,
128 if (!br->vlan_enabled) 128 if (!br->vlan_enabled)
129 goto out; 129 goto out;
130 130
131 /* Vlan filter table must be configured at this point. The
132 * only exception is the bridge is set in promisc mode and the
133 * packet is destined for the bridge device. In this case
134 * pass the packet as is.
135 */
136 if (!pv) {
137 if ((br->dev->flags & IFF_PROMISC) && skb->dev == br->dev) {
138 goto out;
139 } else {
140 kfree_skb(skb);
141 return NULL;
142 }
143 }
144
131 /* At this point, we know that the frame was filtered and contains 145 /* At this point, we know that the frame was filtered and contains
132 * a valid vlan id. If the vlan id is set in the untagged bitmap, 146 * a valid vlan id. If the vlan id is set in the untagged bitmap,
133 * send untagged; otherwise, send tagged. 147 * send untagged; otherwise, send tagged.