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| author | Felix Fietkau <nbd@openwrt.org> | 2011-01-18 14:43:58 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2011-01-18 14:43:58 +0000 |
| commit | 817ee250d7d43fc5ba1e41da89ccb3d2f4c9458a (patch) | |
| tree | e1cf50bd443cea270267a5b3a02d643f8d74c61f | |
| parent | 781df33e2a6b30011c459e81d6e5da833e5af048 (diff) | |
| download | mtk-20170518-817ee250d7d43fc5ba1e41da89ccb3d2f4c9458a.zip mtk-20170518-817ee250d7d43fc5ba1e41da89ccb3d2f4c9458a.tar.gz mtk-20170518-817ee250d7d43fc5ba1e41da89ccb3d2f4c9458a.tar.bz2 | |
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.patch | 36 |
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; + } + + /* |