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authorFelix Fietkau <nbd@openwrt.org>2011-01-18 14:43:58 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-01-18 14:43:58 +0000
commit817ee250d7d43fc5ba1e41da89ccb3d2f4c9458a (patch)
treee1cf50bd443cea270267a5b3a02d643f8d74c61f
parent781df33e2a6b30011c459e81d6e5da833e5af048 (diff)
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mac80211: rework wds sta fix - check for the protocol of the incoming frame instead of just the authorized state
SVN-Revision: 25039
-rw-r--r--package/mac80211/patches/560-mac80211_wds_sta_fix.patch36
1 files changed, 30 insertions, 6 deletions
diff --git a/package/mac80211/patches/560-mac80211_wds_sta_fix.patch b/package/mac80211/patches/560-mac80211_wds_sta_fix.patch
index a0418b6..ba04a6f 100644
--- a/package/mac80211/patches/560-mac80211_wds_sta_fix.patch
+++ b/package/mac80211/patches/560-mac80211_wds_sta_fix.patch
@@ -1,18 +1,42 @@
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
-@@ -1561,9 +1561,13 @@ __ieee80211_data_to_8023(struct ieee8021
+@@ -1556,17 +1556,36 @@ __ieee80211_data_to_8023(struct ieee8021
+ {
+ struct ieee80211_sub_if_data *sdata = rx->sdata;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
++ bool check_port_control = false;
++ struct ethhdr *ehdr;
++ int ret;
+
+ if (ieee80211_has_a4(hdr->frame_control) &&
sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
return -1;
-+ if (!ieee80211_802_1x_port_control(rx) &&
-+ sdata->vif.type == NL80211_IFTYPE_STATION &&
-+ !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control))
-+ return -1;
++ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
++ !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control)) {
++
++ if (!sdata->u.mgd.use_4addr)
++ return -1;
++ else
++ check_port_control = true;
++ }
+
if (is_multicast_ether_addr(hdr->addr1) &&
- ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta) ||
- (sdata->vif.type == NL80211_IFTYPE_STATION && sdata->u.mgd.use_4addr)))
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta)
++ return -1;
++
++ ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
++ if (ret < 0 || !check_port_control)
++ return ret;
++
++ ehdr = (struct ethhdr *) rx->skb->data;
++ if (ehdr->h_proto != rx->sdata->control_port_protocol)
return -1;
- return ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
+- return ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
++ return 0;
+ }
+
+ /*