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

   1 # Copyright (C) 2006 OpenWrt.org
   2 # Copyright (C) 2010 Vertical Communications
   3
   4 preinit_ip_config() {
   5         local netdev vid
   6
   7         netdev=${1%\.*}
   8         vid=${1#*\.}
   9
  10         if [ "$vid" = "$netdev" ]; then
  11                 vid=
  12         fi
  13
  14         grep -q "$netdev" /proc/net/dev || return
  15
  16         if [ -n "$vid" ]; then
  17                 ip link add link $netdev name $1 type vlan id $vid
  18         fi
  19
  20         ip link set dev $netdev up
  21         ip -4 address add $pi_ip/$pi_netmask broadcast $pi_broadcast dev $1
  22 }
  23
  24 preinit_config_switch() {
  25         local role roles ports device enable reset
  26
  27         local name=$1
  28         local lan_if=$2
  29
  30         json_select switch
  31         json_select $name
  32
  33         json_get_vars enable reset
  34
  35         if [ "$reset" -eq "1" ]; then
  36                 swconfig dev $name set reset
  37         fi
  38         swconfig dev $name set enable_vlan $enable
  39
  40         if json_is_a roles array; then
  41                 json_get_keys roles roles
  42                 json_select roles
  43
  44                 for role in $roles; do
  45                         json_select "$role"
  46                         json_get_vars ports device
  47                         json_select ..
  48
  49                         if [ "$device" = "$lan_if" ]; then
  50                                 swconfig dev $name vlan $role set ports "$ports"
  51                         fi
  52                 done
  53
  54                 json_select ..
  55         fi
  56
  57         swconfig dev $name set apply
  58
  59         json_select ..
  60         json_select ..
  61 }
  62
  63 preinit_config_board() {
  64         /bin/board_detect /tmp/board.json
  65
  66         [ -f "/tmp/board.json" ] || return
  67
  68         . /usr/share/libubox/jshn.sh
  69
  70         json_init
  71         json_load "$(cat /tmp/board.json)"
  72
  73         json_select network
  74                 json_select "lan"
  75                         json_get_vars device
  76                         json_get_values ports ports
  77                 json_select ..
  78         json_select ..
  79
  80         [ -n "$device" -o -n "$ports" ] || return
  81
  82         # swconfig uses $device and DSA uses ports
  83         [ -z "$ports" ] && {
  84                 ports="$device"
  85         }
  86
  87         # only use the first one
  88         ifname=${ports%% *}
  89
  90         if [ -x /sbin/swconfig ]; then
  91                 # configure the switch, if present
  92
  93                 json_get_keys keys switch
  94                 for key in $keys; do
  95                         preinit_config_switch $key $ifname
  96                 done
  97         else
  98                 # trim any vlan ids
  99                 ifname=${ifname%\.*}
 100         fi
 101
 102         pi_ifname=$ifname
 103
 104         preinit_ip_config $pi_ifname
 105 }
 106
 107 preinit_ip() {
 108         [ "$pi_preinit_no_failsafe" = "y" ] && return
 109
 110         # if the preinit interface isn't specified and ifname is set in
 111         # preinit.arch use that interface
 112         if [ -z "$pi_ifname" ]; then
 113                 pi_ifname=$ifname
 114         fi
 115
 116         if [ -n "$pi_ifname" ]; then
 117                 preinit_ip_config $pi_ifname
 118         elif [ -d "/etc/board.d/" ]; then
 119                 preinit_config_board
 120         fi
 121
 122         preinit_net_echo "Doing OpenWrt Preinit\n"
 123 }
 124
 125 preinit_ip_deconfig() {
 126         [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
 127                 local netdev vid
 128
 129                 netdev=${pi_ifname%\.*}
 130                 vid=${pi_ifname#*\.}
 131
 132                 if [ "$vid" = "$netdev" ]; then
 133                         vid=
 134                 fi
 135
 136                 ip -4 address flush dev $pi_ifname
 137                 ip link set dev $netdev down
 138
 139                 if [ -n "$vid" ]; then
 140                         ip link delete $pi_ifname
 141                 fi
 142         }
 143 }
 144
 145 preinit_net_echo() {
 146         [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
 147                 {
 148                         [ "$pi_preinit_net_messages" = "y" ] || {
 149                                 [ "$pi_failsafe_net_message" = "true" ] &&
 150                                         [ "$pi_preinit_no_failsafe_netmsg" != "y" ]
 151                         }
 152                 } && netmsg $pi_broadcast "$1"
 153         }
 154 }
 155
 156 pi_indicate_preinit() {
 157         set_state preinit
 158 }
 159
 160 boot_hook_add preinit_main preinit_ip
 161 boot_hook_add preinit_main pi_indicate_preinit