From 4c258131c9b578a2b87a198138bc4d8971e50b05 Mon Sep 17 00:00:00 2001
From: Daniel Fojt <df@neosystem.org>
Date: Thu, 18 Jun 2020 08:16:04 +0200
Subject: [PATCH] etc/network.subr: enhance wlan initialization

Teach wlan_up() and wlan_down() to process just a single interface
passed as optional argument. If no argument is given, process all
"net.wlan.devices" just like before.

Reviewed by: Aaron LI
---
 etc/network.subr | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/etc/network.subr b/etc/network.subr
index b8b663a411..5e3e20b8b3 100644
--- a/etc/network.subr
+++ b/etc/network.subr
@@ -453,9 +453,16 @@ wlan_up()
 	_rcconf=""
 	_auto=""
 
+	local wlan_devices
+	if [ -n "$1" ]; then
+		wlan_devices="$1"
+	else
+		wlan_devices="`${SYSCTL_N} -q net.wlan.devices`"
+	fi
+
 	# Order detected devices so that interfaces configured via rc.conf are
 	# created first, and then all other devices are automatically assigned
-	for parent in `${SYSCTL_N} -q net.wlan.devices`; do
+	for parent in ${wlan_devices}; do
 		child_wlans=`get_if_var $parent wlans_IF`
 		if [ -n "${child_wlans}" ]; then
 			_rcconf="${_rcconf} ${parent}"
@@ -511,7 +518,14 @@ wlan_down()
 	_prefix=
 	_list=
 
-	for parent in `${SYSCTL_N} -q net.wlan.devices`; do
+	local wlan_devices
+	if [ -n "$1" ]; then
+		wlan_devices="$1"
+	else
+		wlan_devices="`${SYSCTL_N} -q net.wlan.devices`"
+	fi
+
+	for parent in ${wlan_devices}; do
 		child_wlans=`get_if_var $parent wlans_IF`
 		for child in ${child_wlans}; do
 			if ! ifexists $child; then
-- 
2.41.0