From 59cae5b9d6d39db2804ed5f0330eb5507d40c34c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 23 Feb 2018 10:06:04 +0100
Subject: [PATCH] mac80211: support AP 4-addr mode fast-rx
Git-commit: 59cae5b9d6d39db2804ed5f0330eb5507d40c34c
Patch-mainline: v4.17-rc1
References: FATE#326294
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
net/mac80211/rx.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 3dc162ddc3a6..89dcf9f762ce 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3783,6 +3783,15 @@ void ieee80211_check_fast_rx(struct sta_info *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;
--
2.19.2