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640-bridge-only-accept-EAP-locally.patch 1.0 KB

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  1. From c6905cfdeb31a5c049db3da434b10fa0d3e83569 Mon Sep 17 00:00:00 2001
  2. From: Felix Fietkau <[email protected]>
  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 <[email protected]>
  8. ---
  9. net/bridge/br_input.c | 7 +++++--
  10. 1 file changed, 5 insertions(+), 2 deletions(-)
  11. diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
  12. index 267b46af407f..48fa08f32c2a 100644
  13. --- a/net/bridge/br_input.c
  14. +++ b/net/bridge/br_input.c
  15. @@ -164,11 +164,14 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
  16. }
  17. }
  18. + BR_INPUT_SKB_CB(skb)->brdev = br->dev;
  19. +
  20. + if (skb->protocol == htons(ETH_P_PAE))
  21. + return br_pass_frame_up(skb);
  22. +
  23. if (p->state == BR_STATE_LEARNING)
  24. goto drop;
  25. - BR_INPUT_SKB_CB(skb)->brdev = br->dev;
  26. -
  27. if (IS_ENABLED(CONFIG_INET) && skb->protocol == htons(ETH_P_ARP))
  28. br_do_proxy_arp(skb, br, vid, p);
  29. --
  30. 2.11.0