From 23c966a388cf47306480358f4812d163dea22d91 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 25 Jan 2011 00:25:49 +0000 Subject: [PATCH] kernel: when bridging, do not forward EAP frames to other ports, only deliver them locally fixes WPA authentication issues with multiples APs that are connected to each other via bridges SVN-Revision: 25095 --- .../280-bridge_no_eap_forward.patch | 15 +++++++++++++++ .../270-bridge_no_eap_forward.patch | 15 +++++++++++++++ .../270-bridge_no_eap_forward.patch | 15 +++++++++++++++ .../270-bridge_no_eap_forward.patch | 15 +++++++++++++++ .../270-bridge_no_eap_forward.patch | 15 +++++++++++++++ .../270-bridge_no_eap_forward.patch | 15 +++++++++++++++ .../270-bridge_no_eap_forward.patch | 15 +++++++++++++++ 7 files changed, 105 insertions(+) create mode 100644 target/linux/generic/patches-2.6.30/280-bridge_no_eap_forward.patch create mode 100644 target/linux/generic/patches-2.6.32/270-bridge_no_eap_forward.patch create mode 100644 target/linux/generic/patches-2.6.34/270-bridge_no_eap_forward.patch create mode 100644 target/linux/generic/patches-2.6.35/270-bridge_no_eap_forward.patch create mode 100644 target/linux/generic/patches-2.6.36/270-bridge_no_eap_forward.patch create mode 100644 target/linux/generic/patches-2.6.37/270-bridge_no_eap_forward.patch create mode 100644 target/linux/generic/patches-2.6.38/270-bridge_no_eap_forward.patch diff --git a/target/linux/generic/patches-2.6.30/280-bridge_no_eap_forward.patch b/target/linux/generic/patches-2.6.30/280-bridge_no_eap_forward.patch new file mode 100644 index 0000000000..6d50a8076c --- /dev/null +++ b/target/linux/generic/patches-2.6.30/280-bridge_no_eap_forward.patch @@ -0,0 +1,15 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -61,7 +61,11 @@ int br_handle_frame_finish(struct sk_buf + + dst = NULL; + +- if (is_multicast_ether_addr(dest)) { ++ if (skb->protocol == htons(ETH_P_PAE)) { ++ skb2 = skb; ++ /* Do not forward 802.1x/EAP frames */ ++ skb = NULL; ++ } else if (is_multicast_ether_addr(dest)) { + br->dev->stats.multicast++; + skb2 = skb; + } else if ((dst = __br_fdb_get(br, dest)) && dst->is_local) { diff --git a/target/linux/generic/patches-2.6.32/270-bridge_no_eap_forward.patch b/target/linux/generic/patches-2.6.32/270-bridge_no_eap_forward.patch new file mode 100644 index 0000000000..6d50a8076c --- /dev/null +++ b/target/linux/generic/patches-2.6.32/270-bridge_no_eap_forward.patch @@ -0,0 +1,15 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -61,7 +61,11 @@ int br_handle_frame_finish(struct sk_buf + + dst = NULL; + +- if (is_multicast_ether_addr(dest)) { ++ if (skb->protocol == htons(ETH_P_PAE)) { ++ skb2 = skb; ++ /* Do not forward 802.1x/EAP frames */ ++ skb = NULL; ++ } else if (is_multicast_ether_addr(dest)) { + br->dev->stats.multicast++; + skb2 = skb; + } else if ((dst = __br_fdb_get(br, dest)) && dst->is_local) { diff --git a/target/linux/generic/patches-2.6.34/270-bridge_no_eap_forward.patch b/target/linux/generic/patches-2.6.34/270-bridge_no_eap_forward.patch new file mode 100644 index 0000000000..10f0438f0d --- /dev/null +++ b/target/linux/generic/patches-2.6.34/270-bridge_no_eap_forward.patch @@ -0,0 +1,15 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -69,7 +69,11 @@ int br_handle_frame_finish(struct sk_buf + + dst = NULL; + +- if (is_multicast_ether_addr(dest)) { ++ if (skb->protocol == htons(ETH_P_PAE)) { ++ skb2 = skb; ++ /* Do not forward 802.1x/EAP frames */ ++ skb = NULL; ++ } else if (is_multicast_ether_addr(dest)) { + mdst = br_mdb_get(br, skb); + if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { + if ((mdst && !hlist_unhashed(&mdst->mglist)) || diff --git a/target/linux/generic/patches-2.6.35/270-bridge_no_eap_forward.patch b/target/linux/generic/patches-2.6.35/270-bridge_no_eap_forward.patch new file mode 100644 index 0000000000..9795242870 --- /dev/null +++ b/target/linux/generic/patches-2.6.35/270-bridge_no_eap_forward.patch @@ -0,0 +1,15 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -71,7 +71,11 @@ int br_handle_frame_finish(struct sk_buf + + dst = NULL; + +- if (is_multicast_ether_addr(dest)) { ++ if (skb->protocol == htons(ETH_P_PAE)) { ++ skb2 = skb; ++ /* Do not forward 802.1x/EAP frames */ ++ skb = NULL; ++ } else if (is_multicast_ether_addr(dest)) { + mdst = br_mdb_get(br, skb); + if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { + if ((mdst && !hlist_unhashed(&mdst->mglist)) || diff --git a/target/linux/generic/patches-2.6.36/270-bridge_no_eap_forward.patch b/target/linux/generic/patches-2.6.36/270-bridge_no_eap_forward.patch new file mode 100644 index 0000000000..da71980743 --- /dev/null +++ b/target/linux/generic/patches-2.6.36/270-bridge_no_eap_forward.patch @@ -0,0 +1,15 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -73,7 +73,11 @@ int br_handle_frame_finish(struct sk_buf + + dst = NULL; + +- if (is_multicast_ether_addr(dest)) { ++ if (skb->protocol == htons(ETH_P_PAE)) { ++ skb2 = skb; ++ /* Do not forward 802.1x/EAP frames */ ++ skb = NULL; ++ } else if (is_multicast_ether_addr(dest)) { + mdst = br_mdb_get(br, skb); + if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { + if ((mdst && !hlist_unhashed(&mdst->mglist)) || diff --git a/target/linux/generic/patches-2.6.37/270-bridge_no_eap_forward.patch b/target/linux/generic/patches-2.6.37/270-bridge_no_eap_forward.patch new file mode 100644 index 0000000000..da71980743 --- /dev/null +++ b/target/linux/generic/patches-2.6.37/270-bridge_no_eap_forward.patch @@ -0,0 +1,15 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -73,7 +73,11 @@ int br_handle_frame_finish(struct sk_buf + + dst = NULL; + +- if (is_multicast_ether_addr(dest)) { ++ if (skb->protocol == htons(ETH_P_PAE)) { ++ skb2 = skb; ++ /* Do not forward 802.1x/EAP frames */ ++ skb = NULL; ++ } else if (is_multicast_ether_addr(dest)) { + mdst = br_mdb_get(br, skb); + if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { + if ((mdst && !hlist_unhashed(&mdst->mglist)) || diff --git a/target/linux/generic/patches-2.6.38/270-bridge_no_eap_forward.patch b/target/linux/generic/patches-2.6.38/270-bridge_no_eap_forward.patch new file mode 100644 index 0000000000..883a7d0649 --- /dev/null +++ b/target/linux/generic/patches-2.6.38/270-bridge_no_eap_forward.patch @@ -0,0 +1,15 @@ +--- a/net/bridge/br_input.c ++++ b/net/bridge/br_input.c +@@ -77,7 +77,11 @@ int br_handle_frame_finish(struct sk_buf + + dst = NULL; + +- if (is_multicast_ether_addr(dest)) { ++ if (skb->protocol == htons(ETH_P_PAE)) { ++ skb2 = skb; ++ /* Do not forward 802.1x/EAP frames */ ++ skb = NULL; ++ } else if (is_multicast_ether_addr(dest)) { + mdst = br_mdb_get(br, skb); + if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { + if ((mdst && !hlist_unhashed(&mdst->mglist)) || -- 2.30.2