package/base-files/files/lib/preinit/10_indicate_preinit

   1 #!/bin/sh
   2 # Copyright (C) 2006 OpenWrt.org
   3 # Copyright (C) 2010 Vertical Communications
   4
   5 preinit_ip_config() {
   6         local netdev vid
   7
   8         netdev=${1%\.*}
   9         vid=${1#*\.}
  10
  11         if [ "$vid" = "$netdev" ]; then
  12                 vid=
  13         fi
  14
  15         grep -q "$netdev" /proc/net/dev || return
  16
  17         if [ -n "$vid" ]; then
  18                 ip link add link $netdev name $1 type vlan id $vid
  19         fi
  20
  21         ip link set dev $netdev up
  22         ip -4 address add $pi_ip/$pi_netmask broadcast $pi_broadcast dev $1
  23 }
  24
  25 preinit_config_switch() {
  26         local role roles ports device enable reset
  27
  28         local name=$1
  29         local lan_if=$2
  30
  31         json_select switch
  32         json_select $name
  33
  34         json_get_vars enable reset
  35
  36         if json_is_a roles array; then
  37                 json_get_keys roles roles
  38                 json_select roles
  39
  40                 for role in $roles; do
  41                         json_select "$role"
  42                         json_get_vars ports device
  43                         json_select ..
  44
  45                         if [ "$device" = "$lan_if" ]; then
  46                                 if [ "$reset" -eq "1" ]; then
  47                                         swconfig dev $name set reset
  48                                 fi
  49
  50                                 swconfig dev $name set enable_vlan $enable
  51                                 swconfig dev $name vlan $role set ports "$ports"
  52                                 swconfig dev $name set apply
  53                         fi
  54                 done
  55
  56                 json_select ..
  57         fi
  58
  59         json_select ..
  60         json_select ..
  61 }
  62
  63 preinit_config_board() {
  64         /bin/board_detect /tmp/board.json
  65
  66         [ -f "/tmp/board.json" ] || return
  67
  68         . /usr/share/libubox/jshn.sh
  69
  70         json_init
  71         json_load "$(cat /tmp/board.json)"
  72
  73         json_select network
  74                 json_select "lan"
  75                         json_get_vars ifname
  76                 json_select ..
  77         json_select ..
  78
  79         [ -n "$ifname" ] || return
  80
  81         # only use the first one
  82         ifname=${ifname%% *}
  83
  84         if [ -x /sbin/swconfig ]; then
  85                 # configure the switch, if present
  86
  87                 json_get_keys keys switch
  88                 for key in $keys; do
  89                         preinit_config_switch $key $ifname
  90                 done
  91         else
  92                 # trim any vlan ids
  93                 ifname=${ifname%\.*}
  94         fi
  95
  96         pi_ifname=$ifname
  97
  98         preinit_ip_config $pi_ifname
  99 }
 100
 101 preinit_ip() {
 102         [ "$pi_preinit_no_failsafe" = "y" ] && return
 103
 104         # if the preinit interface isn't specified and ifname is set in
 105         # preinit.arch use that interface
 106         if [ -z "$pi_ifname" ]; then
 107                 pi_ifname=$ifname
 108         fi
 109
 110         if [ -n "$pi_ifname" ]; then
 111                 preinit_ip_config $pi_ifname
 112         elif [ -d "/etc/board.d/" ]; then
 113                 preinit_config_board
 114         fi
 115
 116         preinit_net_echo "Doing OpenWrt Preinit\n"
 117 }
 118
 119 preinit_ip_deconfig() {
 120         [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
 121                 local netdev vid
 122
 123                 netdev=${pi_ifname%\.*}
 124                 vid=${pi_ifname#*\.}
 125
 126                 if [ "$vid" = "$netdev" ]; then
 127                         vid=
 128                 fi
 129
 130                 ip -4 address flush dev $pi_ifname
 131                 ip link set dev $netdev down
 132
 133                 if [ -n "$vid" ]; then
 134                         ip link delete $pi_ifname
 135                 fi
 136         }
 137 }
 138
 139 preinit_net_echo() {
 140         [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
 141                 {
 142                         [ "$pi_preinit_net_messages" = "y" ] || {
 143                                 [ "$pi_failsafe_net_message" = "true" ] &&
 144                                         [ "$pi_preinit_no_failsafe_netmsg" != "y" ]
 145                         }
 146                 } && netmsg $pi_broadcast "$1"
 147         }
 148 }
 149
 150 pi_indicate_preinit() {
 151         set_state preinit
 152 }
 153
 154 boot_hook_add preinit_main preinit_ip
 155 boot_hook_add preinit_main pi_indicate_preinit