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From: Felix Fietkau <nbd@nbd.name>
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Subject: [PATCH] bridge: no EAP forward
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When bridging, do not forward EAP frames to other ports, only deliver
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them locally.
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Fixes WPA authentication issues with multiples APs that are connected to
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each other via bridges.
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---
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--- a/net/bridge/br_input.c
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+++ b/net/bridge/br_input.c
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@@ -169,7 +169,11 @@ int br_handle_frame_finish(struct net *n
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if (IS_ENABLED(CONFIG_INET) && skb->protocol == htons(ETH_P_ARP))
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br_do_proxy_arp(skb, br, vid, p);
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- if (is_broadcast_ether_addr(dest)) {
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+ if (skb->protocol == htons(ETH_P_PAE)) {
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+ skb2 = skb;
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+ /* Do not forward 802.1x/EAP frames */
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+ skb = NULL;
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+ } else if (is_broadcast_ether_addr(dest)) {
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skb2 = skb;
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unicast = false;
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} else if (is_multicast_ether_addr(dest)) {
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