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#!/bin/sh
# Copyright (C) 2006 OpenWrt.org
# Copyright (C) 2010 Vertical Communications
preinit_ip_config() {
local netdev vid
netdev=${1%\.*}
vid=${1#*\.}
if [ "$vid" = "$netdev" ]; then
vid=
fi
grep -q "$netdev" /proc/net/dev || return
if [ -n "$vid" ]; then
ip link add link $netdev name $1 type vlan id $vid
fi
ip link set dev $netdev up
ip -4 address add $pi_ip/$pi_netmask broadcast $pi_broadcast dev $1
}
preinit_config_switch() {
local role roles ports device enable reset
local name=$1
local lan_if=$2
json_select switch
json_select $name
json_get_vars enable reset
if json_is_a roles array; then
json_get_keys roles roles
json_select roles
for role in $roles; do
json_select "$role"
json_get_vars ports device
json_select ..
if [ "$device" = "$lan_if" ]; then
if [ "$reset" -eq "1" ]; then
swconfig dev $name set reset
fi
swconfig dev $name set enable_vlan $enable
swconfig dev $name vlan $role set ports "$ports"
swconfig dev $name set apply
fi
done
json_select ..
fi
json_select ..
json_select ..
}
preinit_config_board() {
/bin/board_detect /tmp/board.json
[ -f "/tmp/board.json" ] || return
. /usr/share/libubox/jshn.sh
json_init
json_load "$(cat /tmp/board.json)"
json_select network
json_select "lan"
json_get_vars ifname
json_select ..
json_select ..
[ -n "$ifname" ] || return
# only use the first one
ifname=${ifname%% *}
if [ -x /sbin/swconfig ]; then
# configure the switch, if present
json_get_keys keys switch
for key in $keys; do
preinit_config_switch $key $ifname
done
else
# trim any vlan ids
ifname=${ifname%\.*}
fi
pi_ifname=$ifname
preinit_ip_config $pi_ifname
}
preinit_ip() {
[ "$pi_preinit_no_failsafe" = "y" ] && return
# if the preinit interface isn't specified and ifname is set in
# preinit.arch use that interface
if [ -z "$pi_ifname" ]; then
pi_ifname=$ifname
fi
if [ -n "$pi_ifname" ]; then
preinit_ip_config $pi_ifname
elif [ -d "/etc/board.d/" ]; then
preinit_config_board
fi
preinit_net_echo "Doing OpenWrt Preinit\n"
}
preinit_ip_deconfig() {
[ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
local netdev vid
netdev=${pi_ifname%\.*}
vid=${pi_ifname#*\.}
if [ "$vid" = "$netdev" ]; then
vid=
fi
ip -4 address flush dev $pi_ifname
ip link set dev $netdev down
if [ -n "$vid" ]; then
ip link delete $pi_ifname
fi
}
}
preinit_net_echo() {
[ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
{
[ "$pi_preinit_net_messages" = "y" ] || {
[ "$pi_failsafe_net_message" = "true" ] &&
[ "$pi_preinit_no_failsafe_netmsg" != "y" ]
}
} && netmsg $pi_broadcast "$1"
}
}
pi_indicate_preinit() {
set_state preinit
}
boot_hook_add preinit_main preinit_ip
boot_hook_add preinit_main pi_indicate_preinit
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