30aed3551832e7b1196606faa9087a771e3c47a9
[openwrt/openwrt.git] / package / base-files / brcm / etc / preinit
1 #!/bin/sh
2 # Copyright (C) 2006 OpenWrt.org
3
4 . /etc/functions.sh
5 . /etc/diag.sh
6
7 failsafe() {
8 lock /tmp/.failsafe
9
10 echo "0 1 2 3 4 5u*" > /proc/switch/eth0/vlan/0/ports
11
12 set_state failsafe
13 [ -x "/usr/sbin/nvram" ] && {
14 [ "$(nvram get boot_wait)" != "on" ] && {
15 nvram set boot_wait=on
16 nvram commit
17 }
18 }
19
20 netmsg 192.168.1.255 "Entering Failsafe!"
21 telnetd -l /bin/login <> /dev/null 2>&1
22
23 ash --login
24 lock -u /tmp/.failsafe
25 }
26
27 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
28 mount none /proc -t proc
29 size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
30 mount none /tmp -t tmpfs -o size=$size
31
32 insmod diag
33 set_state preinit
34 trap 'FAILSAFE=true' USR1
35 echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug
36
37 ifname=eth0
38
39 # hardware specific overrides
40 case "$(cat /proc/diag/model)" in
41 "Linksys WAP54G V1") ifname=eth1;;
42 "ASUS WL-HDD") ifname=eth1;;
43 "ASUS WL-300g") ifname=eth1;;
44 "ASUS (unknown, BCM4702)") ifname=eth1;;
45 esac
46
47 insmod switch-core
48 insmod switch-robo || insmod switch-adm || rmmod switch-core
49
50 ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up
51
52 [ -d /proc/switch/eth0 ] && {
53 echo 1 > /proc/switch/eth0/reset
54
55 # this would be easier if we blasted the message across all ports
56 # but we don't want packets leaking across interfaces
57 for port in $(seq 0 4); do {
58 echo "$port 5u*" > /proc/switch/eth0/vlan/0/ports
59 netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
60 }; done
61 } || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
62
63 sleep 2
64
65 eval ${FAILSAFE:+failsafe}
66
67 lock -w /tmp/.failsafe
68 set_state preinit
69 echo /sbin/hotplug > /proc/sys/kernel/hotplug
70
71 ifconfig $ifname 0.0.0.0 down
72
73 mount_root
74 exec /sbin/init