From c6905cfdeb31a5c049db3da434b10fa0d3e83569 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 7 Jul 2017 17:18:54 +0200 Subject: bridge: only accept EAP locally When bridging, do not forward EAP frames to other ports, only deliver them locally, regardless of the state. Signed-off-by: Felix Fietkau --- net/bridge/br_input.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -166,10 +166,14 @@ int br_handle_frame_finish(struct net *n } } + BR_INPUT_SKB_CB(skb)->brdev = br->dev; + + if (skb->protocol == htons(ETH_P_PAE)) + return br_pass_frame_up(skb); + if (p->state == BR_STATE_LEARNING) goto drop; - BR_INPUT_SKB_CB(skb)->brdev = br->dev; BR_INPUT_SKB_CB(skb)->src_port_isolated = !!(p->flags & BR_ISOLATED); if (IS_ENABLED(CONFIG_INET) && skb->protocol == htons(ETH_P_ARP))