use tmpfs instead ramfs, strange that i do not need to add any kernel option, it...
[openwrt.git] / target / default / target_skeleton / sbin / ifup
1 #!/bin/ash
2 . /etc/functions.sh
3 type=$1
4 debug "### ifup $type ###"
5
6 if=$(nvram get ${type}_ifname)
7 if [ "${if%%[0-9]}" = "ppp" ]; then
8 if=$(nvram get pppoe_ifname)
9 fi
10
11 if_valid $if || return
12
13 $DEBUG ifconfig $if down
14 if [ "${if%%[0-9]}" = "br" ]; then
15 stp=$(nvram get ${type}_stp)
16 $DEBUG brctl delbr $if
17 $DEBUG brctl addbr $if
18 $DEBUG brctl setfd $if 0
19 $DEBUG brctl stp $if ${stp:-0}
20 for sif in $(nvram get ${type}_ifnames); do {
21 if_valid $sif || continue
22 $DEBUG ifconfig $sif 0.0.0.0 up
23 $DEBUG brctl addif $if $sif
24 } done
25 fi
26
27 mac=$(nvram get ${type}_hwaddr)
28 ${mac:+$DEBUG ifconfig $if hw ether $mac}
29
30 if_proto=$(nvram get ${type}_proto)
31 case "$if_proto" in
32 static)
33 ip=$(nvram get ${type}_ipaddr)
34 netmask=$(nvram get ${type}_netmask)
35 gateway=$(nvram get ${type}_gateway)
36
37 $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
38 ${gateway:+$DEBUG route add default gw $gateway}
39
40 [ -f /etc/resolv.conf ] && return
41
42 debug "# --- creating /etc/resolv.conf ---"
43 for dns in $(nvram get ${type}_dns); do {
44 echo "nameserver $dns" >> /etc/resolv.conf
45 } done
46 ;;
47 dhcp)
48 ip=$(nvram get ${type}_ipaddr)
49 pidfile=/tmp/dhcp-${type}.pid
50 if [ -f $pidfile ]; then
51 $DEBUG kill $(cat $pidfile)
52 fi
53 ${DEBUG:-eval} "udhcpc -i $if ${ip:+-r $ip} -b -p $pidfile &"
54 ;;
55 pppoe)
56 # handled by /etc/init.d/S50pppoe
57 ;;
58 none)
59 ;;
60 *)
61 echo "### WARNING $if: $if_proto is not supported"
62 ;;
63 esac
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