mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-10-30 03:28:07 +02:00
6dc988729c
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1892 3c298f89-4303-0410-b956-a3cf2f4a3e73
50 lines
1.0 KiB
Bash
Executable File
50 lines
1.0 KiB
Bash
Executable File
#!/bin/ash
|
|
. /etc/nvram.sh
|
|
|
|
alias debug=${DEBUG:-:}
|
|
|
|
# valid interface?
|
|
if_valid () (
|
|
ifconfig "$1" >&- 2>&- ||
|
|
[ "${1%%[0-9]}" = "br" ] ||
|
|
{
|
|
[ "${1%%[0-9]}" = "vlan" ] && (
|
|
i=${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 => $vif"
|
|
|
|
$DEBUG ifconfig $vif up
|
|
$DEBUG vconfig add $vif $i 2>&-
|
|
)
|
|
} ||
|
|
{ debug "# missing interface '$1' ignored"; false; }
|
|
)
|
|
|
|
bitcount () {
|
|
local c=$1
|
|
echo $((
|
|
c=((c>> 1)&0x55555555)+(c&0x55555555),
|
|
c=((c>> 2)&0x33333333)+(c&0x33333333),
|
|
c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f),
|
|
c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff),
|
|
c=((c>>16)&0x0000ffff)+(c&0x0000ffff)
|
|
))
|
|
}
|
|
|
|
valid_netmask () {
|
|
return $((-($1)&~$1))
|
|
}
|
|
|
|
ip2int () (
|
|
set $(echo $1 | tr '\.' ' ')
|
|
echo $(($1<<24|$2<<16|$3<<8|$4))
|
|
)
|
|
|
|
int2ip () {
|
|
echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255))
|
|
}
|