3 alias debug=${DEBUG:-:}
5 # allow env to override nvram
8 get) eval "echo \${NVRAM_$2:-\$(command nvram get $2)}";;
12 . /etc/nvram.overrides
16 ifconfig "$1" >&- 2>&- ||
17 [ "${1%%[0-9]}" = "br" ] ||
19 [ "${1%%[0-9]}" = "vlan" ] && (
21 hwname=$(nvram get vlan${i}hwname)
22 hwaddr=$(nvram get ${hwname}macaddr)
23 [ -z "$hwaddr" ] && return 1
25 vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
26 debug "# vlan$i => $vif"
28 $DEBUG ifconfig $vif up
29 $DEBUG vconfig add $vif $i 2>&-
32 { debug "# missing interface '$1' ignored"; false; }
38 c=((c>> 1)&0x55555555)+(c&0x55555555),
39 c=((c>> 2)&0x33333333)+(c&0x33333333),
40 c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f),
41 c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff),
42 c=((c>>16)&0x0000ffff)+(c&0x0000ffff)
51 set $(echo $1 | tr '\.' ' ')
52 echo $(($1<<24|$2<<16|$3<<8|$4))
56 echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255))