mirror of
https://github.com/Ysurac/openmptcprouter.git
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41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 7 Jul 2017 17:18:54 +0200
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Subject: bridge: only accept EAP locally
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When bridging, do not forward EAP frames to other ports, only deliver
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them locally, regardless of the state.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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[add disable_eap_hack sysfs attribute]
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Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
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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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@@ -103,10 +103,14 @@ int br_handle_frame_finish(struct net *n
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}
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}
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+ BR_INPUT_SKB_CB(skb)->brdev = br->dev;
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+
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+ if (skb->protocol == htons(ETH_P_PAE) && !br->disable_eap_hack)
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+ return br_pass_frame_up(skb);
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+
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if (state == BR_STATE_LEARNING)
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goto drop;
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- BR_INPUT_SKB_CB(skb)->brdev = br->dev;
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BR_INPUT_SKB_CB(skb)->src_port_isolated = !!(p->flags & BR_ISOLATED);
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if (IS_ENABLED(CONFIG_INET) &&
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--- a/net/bridge/br_private.h
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+++ b/net/bridge/br_private.h
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@@ -402,6 +402,8 @@ struct net_bridge {
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u16 group_fwd_mask;
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u16 group_fwd_mask_required;
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+ bool disable_eap_hack;
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+
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/* STP */
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bridge_id designated_root;
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bridge_id bridge_id;
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