openwrtv4/package/kernel/mac80211/patches/319-v4.17-0002-mac80211-support-AP-4-addr-mode-fast-rx.patch

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From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 23 Feb 2018 10:00:22 +0100
Subject: [PATCH] mac80211: support AP 4-addr mode fast-rx
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3774,6 +3774,15 @@ void ieee80211_check_fast_rx(struct sta_
!(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
(sdata->vif.type != NL80211_IFTYPE_AP_VLAN ||
!sdata->u.vlan.sta);
+
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+ sdata->u.vlan.sta) {
+ fastrx.expected_ds_bits |=
+ cpu_to_le16(IEEE80211_FCTL_FROMDS);
+ fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr4);
+ fastrx.internal_forward = 0;
+ }
+
break;
default:
goto clear;