openwrt的默认/etc/config/network文件是如何生成的？

tf@ubuntu:~/projects/openwrt1407/package/base-files/files/lib/functions$ lsleds.sh  network.sh  preinit.sh  service.sh  system.sh  uci-defaults.sh

#!/bin/sh# Copyright (C) 2011OpenWrt.org

UCIDEF_LEDS_CHANGED=0
ucidef_set_led_netdev() {
    local cfg="led_$1"local name=$2local sysfs=$3local dev=$4
    uci -q get system.$cfg && return 0
    uci batch <<EOF
set system.$cfg='led'set system.$cfg.name='$name'set system.$cfg.sysfs='$sysfs'set system.$cfg.trigger='netdev'set system.$cfg.dev='$dev'set system.$cfg.mode='link tx rx'EOF
    UCIDEF_LEDS_CHANGED=1}

ucidef_set_led_usbdev() {
    local cfg="led_$1"local name=$2local sysfs=$3local dev=$4
    uci -q get system.$cfg && return 0
    uci batch <<EOF
set system.$cfg='led'set system.$cfg.name='$name'set system.$cfg.sysfs='$sysfs'set system.$cfg.trigger='usbdev'set system.$cfg.dev='$dev'set system.$cfg.interval='50'EOF
    UCIDEF_LEDS_CHANGED=1}

ucidef_set_led_wlan() {
    local cfg="led_$1"local name=$2local sysfs=$3local trigger=$4
    uci -q get system.$cfg && return 0
    uci batch <<EOF
set system.$cfg='led'set system.$cfg.name='$name'set system.$cfg.sysfs='$sysfs'set system.$cfg.trigger='$trigger'EOF
    UCIDEF_LEDS_CHANGED=1}

ucidef_set_led_switch() {
    local cfg="led_$1"local name=$2local sysfs=$3local trigger=$4local port_mask=$5
    uci -q get system.$cfg && return 0
    uci batch <<EOF
set system.$cfg='led'set system.$cfg.name='$name'set system.$cfg.sysfs='$sysfs'set system.$cfg.trigger='$trigger'set system.$cfg.port_mask='$port_mask'EOF
    UCIDEF_LEDS_CHANGED=1}

ucidef_set_led_default() {
    local cfg="led_$1"local name=$2local sysfs=$3local default=$4
    uci -q get system.$cfg && return 0
    uci batch <<EOF
set system.$cfg='led'set system.$cfg.name='$name'set system.$cfg.sysfs='$sysfs'set system.$cfg.default='$default'EOF
    UCIDEF_LEDS_CHANGED=1}

ucidef_set_led_rssi() {
    local cfg="led_$1"local name=$2local sysfs=$3local iface=$4local minq=$5local maxq=$6local offset=$7local factor=$8
    uci -q get system.$cfg && return 0
    uci batch <<EOF
set system.$cfg='led'set system.$cfg.name='$name'set system.$cfg.sysfs='$sysfs'set system.$cfg.trigger='rssi'set system.$cfg.iface='rssid_$iface'set system.$cfg.minq='$minq'set system.$cfg.maxq='$maxq'set system.$cfg.offset='$offset'set system.$cfg.factor='$factor'EOF
    UCIDEF_LEDS_CHANGED=1}

ucidef_set_rssimon() {
    local dev="$1"local refresh="$2"local threshold="$3"
    local cfg="rssid_$dev"
    uci -q get system.$cfg && return 0
    uci batch <<EOF
set system.$cfg='rssid'set system.$cfg.dev='$dev'set system.$cfg.refresh='$refresh'set system.$cfg.threshold='$threshold'EOF
    UCIDEF_LEDS_CHANGED=1}

ucidef_commit_leds()
{
    [ "$UCIDEF_LEDS_CHANGED" == "1" ] &&uci commit system
}

ucidef_set_interface_loopback() {
    uci batch <<EOF
set network.loopback='interface'set network.loopback.ifname='lo'set network.loopback.proto='static'set network.loopback.ipaddr='127.0.0.1'set network.loopback.netmask='255.0.0.0'set network.globals='globals'set network.globals.ula_prefix='auto'EOF
}

ucidef_set_interface_raw() {
    local cfg=$1local ifname=$2
    uci batch <<EOF
set network.$cfg='interface'set network.$cfg.ifname='$ifname'set network.$cfg.proto='none'EOF
}

ucidef_set_interface_lan() {
    local ifname=$1
    uci batch <<EOF
set network.lan='interface'set network.lan.ifname='$ifname'set network.lan.force_link=1set network.lan.type='bridge'set network.lan.proto='static'set network.lan.ipaddr='192.168.1.1'set network.lan.netmask='255.255.255.0'set network.lan.ip6assign='60'EOF
}

ucidef_set_interface_wan() {
    local ifname=$1
    uci batch <<EOF
set network.wan='interface'set network.wan.ifname='$ifname'set network.wan.proto='dhcp'set network.wan6='interface'set network.wan6.ifname='@wan'set network.wan6.proto='dhcpv6'EOF
}

ucidef_set_interfaces_lan_wan() {
    local lan_ifname=$1local wan_ifname=$2
    ucidef_set_interface_lan "$lan_ifname"ucidef_set_interface_wan "$wan_ifname"}

ucidef_set_interface_macaddr() {
    local ifname=$1local mac=$2
    uci batch <<EOF
set network.$ifname.macaddr='$mac'EOF
}

ucidef_add_switch() {
    local name=$1local reset=$2local enable=$3uci batch <<EOF
add network switch
set network.@switch[-1].name='$name'set network.@switch[-1].reset='$reset'set network.@switch[-1].enable_vlan='$enable'EOF
}

ucidef_add_switch_vlan() {
    local device=$1local vlan=$2local ports=$3uci batch <<EOF
add network switch_vlan
set network.@switch_vlan[-1].device='$device'set network.@switch_vlan[-1].vlan='$vlan'set network.@switch_vlan[-1].ports='$ports'EOF
}

ucidef_add_switch_port() {
    local device=$1local port=$2uci batch <<EOF
add network switch_port
set network.@switch_port[-1].device='$device'set network.@switch_port[-1].port='$port'EOF
}

tf@ubuntu:~/projects/openwrt1407/target/linux/ar71xx/base-files/etc/uci-defaults$ ls01_leds                       03_network-vlan-migration  09_fix-trx-header
02_network                    04_led_migration
03_network-switchX-migration  09_fix-seama-header

#!/bin/sh#
# Copyright (C) 2011OpenWrt.org
#

[ -e /etc/config/network ] && exit 0

touch /etc/config/network

. /lib/functions/uci-defaults.sh. /lib/ar71xx.sh
ucidef_set_interface_loopback

board=$(ar71xx_board_name)

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