target/linux/generic/pending-4.4/641-bridge_always_accept_eap.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Subject: [PATCH] bridge: always accept EAP
   3
   4 Allow EAP frames to pass through bridges even in learning state. Fixes
   5 issues with WDS.
   6 ---
   7 --- a/net/bridge/br_input.c
   8 +++ b/net/bridge/br_input.c
   9 @@ -153,7 +153,7 @@ int br_handle_frame_finish(struct net *n
  10             br_multicast_rcv(br, p, skb, vid))
  11                 goto drop;
  12
  13 -       if (p->state == BR_STATE_LEARNING)
  14 +       if ((p->state == BR_STATE_LEARNING) && skb->protocol != htons(ETH_P_PAE))
  15                 goto drop;
  16
  17         BR_INPUT_SKB_CB(skb)->brdev = br->dev;