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640-bridge-only-accept-EAP-locally.patch 913 B

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  1. From c6905cfdeb31a5c049db3da434b10fa0d3e83569 Mon Sep 17 00:00:00 2001
  2. From: Felix Fietkau <nbd@nbd.name>
  3. Date: Fri, 7 Jul 2017 17:18:54 +0200
  4. Subject: bridge: only accept EAP locally
  5. When bridging, do not forward EAP frames to other ports, only deliver
  6. them locally, regardless of the state.
  7. Signed-off-by: Felix Fietkau <nbd@nbd.name>
  8. ---
  9. net/bridge/br_input.c | 7 +++++--
  10. 1 file changed, 5 insertions(+), 2 deletions(-)
  11. --- a/net/bridge/br_input.c
  12. +++ b/net/bridge/br_input.c
  13. @@ -166,10 +166,14 @@ int br_handle_frame_finish(struct net *n
  14. }
  15. }
  16. + BR_INPUT_SKB_CB(skb)->brdev = br->dev;
  17. +
  18. + if (skb->protocol == htons(ETH_P_PAE))
  19. + return br_pass_frame_up(skb);
  20. +
  21. if (p->state == BR_STATE_LEARNING)
  22. goto drop;
  23. - BR_INPUT_SKB_CB(skb)->brdev = br->dev;
  24. BR_INPUT_SKB_CB(skb)->src_port_isolated = !!(p->flags & BR_ISOLATED);
  25. if (IS_ENABLED(CONFIG_INET) && skb->protocol == htons(ETH_P_ARP))