From 020fe0de155dbdd602029ec16c5b118065ca7824 Mon Sep 17 00:00:00 2001
From: Adrian Chadd <adrian@FreeBSD.org>
Date: Fri, 28 Oct 2016 02:09:45 +0000
Subject: [PATCH] [net80211] don't abort a background scan upon reception of a
 single packet.

Full offload drivers don't need this behaviour - they do it in firmware.
---
 sys/net80211/ieee80211_scan_sw.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/net80211/ieee80211_scan_sw.c b/sys/net80211/ieee80211_scan_sw.c
index 6313d46177d..33e28868f97 100644
--- a/sys/net80211/ieee80211_scan_sw.c
+++ b/sys/net80211/ieee80211_scan_sw.c
@@ -467,6 +467,11 @@ ieee80211_swscan_cancel_scan(struct ieee80211vap *vap)
 static void
 ieee80211_swscan_cancel_anyscan(struct ieee80211vap *vap)
 {
+
+	/* XXX for now - just don't do this per packet. */
+	if (vap->iv_flags_ext & IEEE80211_FEXT_SCAN_OFFLOAD)
+		return;
+
 	cancel_scan(vap, 1, __func__);
 }