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19 lines
745 B
Diff
19 lines
745 B
Diff
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--- a/net/mac80211/rx.c
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+++ b/net/mac80211/rx.c
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@@ -1561,9 +1561,13 @@ __ieee80211_data_to_8023(struct ieee8021
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sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
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return -1;
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+ if (!ieee80211_802_1x_port_control(rx) &&
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+ sdata->vif.type == NL80211_IFTYPE_STATION &&
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+ !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control))
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+ return -1;
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+
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if (is_multicast_ether_addr(hdr->addr1) &&
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- ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta) ||
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- (sdata->vif.type == NL80211_IFTYPE_STATION && sdata->u.mgd.use_4addr)))
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+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta)
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return -1;
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return ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
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