Openwrt/obsolete-buildroot/sources/openwrt/root/etc/functions.sh
2004-09-07 07:48:49 +00:00

31 lines
745 B
Bash
Executable File

#!/bin/ash
alias debug=${DEBUG:-:}
# allow env to override nvram
nvram () {
case $1 in
get) eval "echo \${NVRAM_$2:-\$(command nvram get $2)}";;
*) command nvram $*;;
esac
}
. /etc/nvram.overrides
# valid interface?
if_valid () (
[ "${1%%[0-9]}" = "vlan" ] && {
i=${1#vlan}
hwname=$(nvram get vlan${i}hwname)
hwaddr=$(nvram get ${hwname}macaddr)
[ -z "$hwaddr" ] && return 1
vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
debug "# vlan$i: $hwname $hwaddr => $vif"
$DEBUG ifconfig $vif up
$DEBUG vconfig add $vif $i 2>/dev/null
}
ifconfig "$1" >/dev/null 2>&1 || [ "${1%%[0-9]}" = "br" ]
[ $? = 0 ] || { echo -e "# $1 ignored: no such interface"; return 1; }
)