kernel: update kernel 3.18 to version 3.18.23
[openwrt/staging/chunkeey.git] / target / linux / generic / patches-3.18 / 640-bridge_no_eap_forward.patch
1 From: Felix Fietkau <nbd@openwrt.org>
2 Subject: [PATCH] bridge: no EAP forward
3
4 When bridging, do not forward EAP frames to other ports, only deliver
5 them locally.
6 Fixes WPA authentication issues with multiples APs that are connected to
7 each other via bridges.
8 ---
9 --- a/net/bridge/br_input.c
10 +++ b/net/bridge/br_input.c
11 @@ -97,7 +97,11 @@ int br_handle_frame_finish(struct sk_buf
12
13 dst = NULL;
14
15 - if (is_broadcast_ether_addr(dest)) {
16 + if (skb->protocol == htons(ETH_P_PAE)) {
17 + skb2 = skb;
18 + /* Do not forward 802.1x/EAP frames */
19 + skb = NULL;
20 + } else if (is_broadcast_ether_addr(dest)) {
21 skb2 = skb;
22 unicast = false;
23 } else if (is_multicast_ether_addr(dest)) {