freebsd-dev/etc/pccard_ether
Andriy Voskoboinyk 7d3a36a88e Do not try to recreate wlan(4) interface if it already exists.
This should fix error messages caused by devd(8) during startup:

Starting Network: lo0 wlan0.
...
Starting devd.
ifconfig: SIOCS80211: Device busy
wpa_supplicant already running?  (pid=323).

MFC after:	2 weeks
2016-12-04 15:58:34 +00:00

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#!/bin/sh -
#
# $FreeBSD$
#
# pccard_ether interfacename [start|stop|restart]
#
# example: pccard_ether fxp0 start
#
. /etc/rc.subr
. /etc/network.subr
name="pccard_ether"
start_precmd="checkauto"
start_cmd="pccard_ether_start"
stop_precmd="checkauto"
stop_cmd="pccard_ether_stop"
restart_precmd="checkauto"
restart_cmd="pccard_ether_restart"
startchildren_cmd="pccard_ether_startchildren"
stopchildren_cmd="pccard_ether_stopchildren"
extra_commands="startchildren stopchildren"
setup_routes()
{
# Add default route into $static_routes
case ${defaultrouter} in
[Nn][Oo] | '')
;;
*)
static_routes="default ${static_routes}"
route_default="default ${defaultrouter}"
;;
esac
# Add private route for this interface into $static_routes
eval ifx_routes=\$static_routes_${ifn}
if [ -n "${ifx_routes}" ]; then
static_routes="${ifx_routes} ${static_routes}"
fi
# Set up any static routes if specified
if [ -n "${static_routes}" ]; then
for i in ${static_routes}; do
eval route_args=\$route_${i}
route add ${route_args}
done
fi
}
remove_routes()
{
# Delete static route if specified
eval ifx_routes=\$static_routes_${ifn}
if [ -n "${ifx_routes}" ]; then
for i in ${ifx_routes}; do
eval route_args=\$route_${i}
route delete ${route_args}
done
fi
}
checkauto()
{
if [ -z "$rc_force" ]; then
# Ignore interfaces with the NOAUTO keyword
autoif $ifn || exit 0
fi
}
pccard_ether_start()
{
ifexists $ifn || exit 1
if [ -z "$rc_force" ]; then
for uif in `ifconfig -ul`; do
if [ "${uif}" = "${ifn}" ]; then
# Interface is already up, so ignore it.
exit 0
fi
done
fi
/etc/rc.d/netif quietstart $ifn
# Do route configuration if needed.
# XXX: should probably do this by calling rc.d/routing.
if [ -n "`ifconfig_getargs $ifn`" ]; then
if ! dhcpif $ifn; then
setup_routes
fi
fi
# XXX: IPv6 setup should be done in some way.
}
pccard_ether_stop()
{
if [ -n "`ifconfig_getargs $ifn`" ]; then
if ! dhcpif $ifn; then
remove_routes
fi
fi
/etc/rc.d/netif quietstop $ifn
# clean ARP table
ifexists $ifn && arp -d -i $ifn -a
}
pccard_ether_restart()
{
# Hand implemented because the default implementation runs
# the equivalent of "$0 start; $0 stop" and this script
# doesn't support that syntax
pccard_ether_stop
pccard_ether_start
}
pccard_ether_startchildren()
{
for child in `get_if_var $ifn wlans_IF`; do
if ifexists $child; then
continue
fi
/etc/rc.d/netif quietstart $child
done
}
pccard_ether_stopchildren()
{
for child in `get_if_var $ifn wlans_IF`; do
/etc/rc.d/netif quietstop $child
done
}
ifn=$1
shift
if [ -z "$*" ]; then
args="start"
else
args=$*
fi
load_rc_config pccard_ether
load_rc_config network
run_rc_command $args