Trigger a background scan when root runs the 'ifconfig scan' command.

This will update the list of cached APs for future invocations of the
'scan' command, and will force a search for a better AP to roam to.
ok sthen@ phessler@

2 files changed, 5 insertions, 2 deletions

diff --git a/sys/net80211/ieee80211_ioctl.c b/sys/net80211/ieee80211_ioctl.c
index b7b2ea6d631..2d6f8afbc11 100644
--- a/sys/net80211/ieee80211_ioctl.c
+++ b/sys/net80211/ieee80211_ioctl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ieee80211_ioctl.c,v 1.75 2019/09/02 12:54:21 stsp Exp $	*/
+/*	$OpenBSD: ieee80211_ioctl.c,v 1.76 2019/11/09 11:39:15 stsp Exp $	*/
 /*	$NetBSD: ieee80211_ioctl.c,v 1.15 2004/05/06 02:58:16 dyoung Exp $	*/
 
 /*-
@@ -906,6 +906,8 @@ ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 			na->na_nodes++;
 			ni = RBT_NEXT(ieee80211_tree, ni);
 		}
+		if (suser(curproc) == 0)
+			ieee80211_begin_bgscan(ifp);
 		break;
 	case SIOCG80211FLAGS:
 		flags = ic->ic_userflags;
diff --git a/sys/net80211/ieee80211_var.h b/sys/net80211/ieee80211_var.h
index d5560e75f48..bf3ac419f64 100644
--- a/sys/net80211/ieee80211_var.h
+++ b/sys/net80211/ieee80211_var.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ieee80211_var.h,v 1.99 2019/11/06 13:55:44 stsp Exp $	*/
+/*	$OpenBSD: ieee80211_var.h,v 1.100 2019/11/09 11:39:15 stsp Exp $	*/
 /*	$NetBSD: ieee80211_var.h,v 1.7 2004/05/06 03:07:10 dyoung Exp $	*/
 
 /*-
@@ -473,6 +473,7 @@ void	ieee80211_del_ess(struct ieee80211com *, char *, int, int);
 void	ieee80211_set_ess(struct ieee80211com *, struct ieee80211_ess *,
 	    struct ieee80211_node *);
 struct ieee80211_ess *ieee80211_get_ess(struct ieee80211com *, const char *, int);
+void	ieee80211_begin_bgscan(struct ifnet *);
 
 extern	int ieee80211_cache_size;