package/base-files/files/bin/config_generate

   1 #!/bin/sh
   2
   3 CFG=/etc/board.json
   4
   5 . /usr/share/libubox/jshn.sh
   6
   7 [ -f $CFG ] || exit 1
   8
   9 generate_static_network() {
  10         uci -q batch <<-EOF
  11                 delete network.loopback
  12                 set network.loopback='interface'
  13                 set network.loopback.ifname='lo'
  14                 set network.loopback.proto='static'
  15                 set network.loopback.ipaddr='127.0.0.1'
  16                 set network.loopback.netmask='255.0.0.0'
  17                 delete network.globals
  18                 set network.globals='globals'
  19                 set network.globals.ula_prefix='auto'
  20         EOF
  21 }
  22
  23 next_vlan=3
  24 generate_network() {
  25         local vlan
  26
  27         json_select network
  28         json_select "$1"
  29         json_get_vars ifname create_vlan macaddr
  30         json_select ..
  31         json_select ..
  32
  33         [ -n "$ifname" ] || return
  34
  35         if [ "${create_vlan:-0}" -eq 1 ]; then
  36                 case "$1" in
  37                         lan) vlan=1;;
  38                         wan) vlan=2;;
  39                         *)
  40                                 vlan=$next_vlan
  41                                 next_vlan=$((next_vlan + 1))
  42                         ;;
  43                 esac
  44         fi
  45
  46         [ -n "$vlan" ] && ifname=${ifname}.${vlan}
  47
  48         uci -q batch <<-EOF
  49                 delete network.$1
  50                 set network.$1='interface'
  51                 set network.$1.ifname='$ifname'
  52                 set network.$1.proto='none'
  53                 set network.$1.macaddr='$macaddr'
  54         EOF
  55
  56         case "$1" in
  57                 lan)
  58                         uci -q batch <<-EOF
  59                                 set network.$1.type='bridge'
  60                                 set network.$1.proto='static'
  61                                 set network.$1.ipaddr='192.168.1.1'
  62                                 set network.$1.netmask='255.255.255.0'
  63                                 set network.$1.ip6assign='60'
  64                         EOF
  65                 ;;
  66
  67                 wan)
  68                         uci -q batch <<-EOF
  69                                 set network.$1.proto='dhcp'
  70                                 delete network.wan6
  71                                 set network.wan6='interface'
  72                                 set network.wan6.ifname='$ifname'
  73                                 set network.wan6.proto='dhcpv6'
  74                         EOF
  75                 ;;
  76
  77                 *)
  78                         uci -q batch <<-EOF
  79                                 set network.$1.force_link=1
  80                         EOF
  81                 ;;
  82         esac
  83 }
  84
  85 generate_switch_vlan() {
  86         local device="$1"
  87         local vlan="$2"
  88         local cpu_port="$3"
  89
  90         case "$vlan" in
  91                 lan) vlan=1;;
  92                 wan) vlan=2;;
  93                 *) vlan="${vlan##vlan}";;
  94         esac
  95
  96         json_select vlans
  97         json_select "$2"
  98         json_get_values ports
  99         json_select ..
 100         json_select ..
 101
 102         uci -q batch <<-EOF
 103                 add network switch_vlan
 104                 set network.@switch_vlan[-1].device='$device'
 105                 set network.@switch_vlan[-1].vlan='$vlan'
 106                 set network.@switch_vlan[-1].ports='$ports ${cpu_port}t'
 107         EOF
 108 }
 109
 110 calculate_switch_vlans() {
 111         local switch="$1"
 112         local ports port attr val
 113         local prev_role
 114         local num device role index
 115         local n_cpu=0 cpu0 cpu1 cpu2 cpu3
 116         local dev0 dev1 dev2 dev3 role0 role1 role2 role3
 117         local n_vlan=0 vlan_off=-1
 118         local vlan_ports cpu_port
 119
 120         json_get_keys ports ports
 121
 122         json_select ports
 123
 124         # gather all cpu ports and count vlans
 125         for port in $ports; do
 126                 json_select "$port"
 127                 json_get_vars num device role
 128
 129                 if json_is_a attr object; then
 130                         json_get_keys attr attr
 131                         json_select attr
 132
 133                         uci -q batch <<-EOF
 134                                 add network switch_port
 135                                 set network.@switch_port[-1].device='$switch'
 136                                 set network.@switch_port[-1].port=$num
 137                         EOF
 138
 139                         for attr in $attr; do
 140                                 json_get_var val "$attr"
 141                                 uci -q set network.@switch_port[-1].$attr="$val"
 142                         done
 143
 144                         json_select ..
 145                 fi
 146
 147                 json_select ..
 148
 149                 if [ -n "$num" ] && [ -n "$device" ]; then
 150                         export "cpu$n_cpu=$num"
 151                         export "dev$n_cpu=$device"
 152                         n_cpu=$((n_cpu + 1))
 153                 elif [ -n "$num" ] && [ -n "$role" ] && [ "$role" != "$prev_role" ]; then
 154                         export "role$n_vlan=$role"
 155                         n_vlan=$((n_vlan + 1))
 156                         prev_role="$role"
 157                 fi
 158         done
 159
 160         unset prev_role
 161
 162         # autogenerate vlans
 163         for port in $ports ""; do
 164                 if [ -n "$port" ]; then
 165                         json_select "$port"
 166                         json_get_vars num device role
 167                         json_select ..
 168                 else
 169                         num="-"; role="-"
 170                 fi
 171
 172                 if [ -n "$num" ] && [ -n "$role" ]; then
 173                         if [ "$role" != "$prev_role" ]; then
 174                                 if [ -n "$vlan_ports" ]; then
 175                                         let cpu_port="cpu$((vlan_off % n_cpu))"
 176                                         [ $n_vlan -gt $n_cpu ] && cpu_port="${cpu_port}t"
 177
 178                                         uci -q batch <<-EOF
 179                                                 add network switch_vlan
 180                                                 set network.@switch_vlan[-1].device='$switch'
 181                                                 set network.@switch_vlan[-1].vlan='$((vlan_off + 1))'
 182                                                 set network.@switch_vlan[-1].ports='$vlan_ports $cpu_port'
 183                                         EOF
 184                                 fi
 185
 186                                 vlan_off=$((vlan_off + 1))
 187                                 vlan_ports="$num"
 188                                 prev_role="$role"
 189                         else
 190                                 vlan_ports="$vlan_ports $num"
 191                         fi
 192
 193                 fi
 194         done
 195
 196         json_select ..
 197
 198         # autogenerate interfaces
 199         vlan_off=0; while [ $vlan_off -lt $n_vlan ]; do
 200                 eval role="\$role$((vlan_off))"
 201                 eval device="\$dev$((vlan_off++ % n_cpu))"
 202                 [ $n_vlan -gt $n_cpu ] && device="$device.$vlan_off"
 203
 204                 # quirk: append ifnames for subsequent switches
 205                 case "$switch" in switch[1-9])
 206                         local prev_devs="$(uci -q get "network.$role.ifname")"
 207                         if echo "$prev_devs" | grep -wq "$device"; then
 208                                 device="$prev_devs"
 209                         else
 210                                 device="$prev_devs $device"
 211                         fi
 212                 ;; esac
 213
 214                 uci -q batch <<-EOF
 215                         set network.$role='interface'
 216                         set network.$role.ifname='$device'
 217                 EOF
 218
 219                 case $role in
 220                         lan)
 221                                 uci -q batch <<-EOF
 222                                         set network.lan.type='bridge'
 223                                         set network.lan.proto='static'
 224                                         set network.lan.ipaddr='192.168.1.1'
 225                                         set network.lan.netmask='255.255.255.0'
 226                                         set network.lan.ip6assign='60'
 227                                 EOF
 228                         ;;
 229
 230                         wan)
 231                                 uci -q batch <<-EOF
 232                                         set network.wan.proto='dhcp'
 233                                         set network.wan6='interface'
 234                                         set network.wan6.ifname='$device'
 235                                         set network.wan6.proto='dhcpv6'
 236                                 EOF
 237                         ;;
 238
 239                         *)
 240                                 uci -q batch <<-EOF
 241                                         set network.$role.force_link='1'
 242                                         set network.$role.proto='none'
 243                                 EOF
 244                         ;;
 245                 esac
 246         done
 247 }
 248
 249 generate_switch() {
 250         local key="$1"
 251         local vlans
 252
 253         json_select switch
 254         json_select "$key"
 255         json_get_vars enable reset blinkrate cpu_port
 256
 257         uci -q batch <<-EOF
 258                 add network switch
 259                 set network.@switch[-1].name='$key'
 260                 set network.@switch[-1].reset='$reset'
 261                 set network.@switch[-1].enable_vlan='$enable'
 262                 set network.@switch[-1].blinkrate='$blinkrate'
 263         EOF
 264
 265         if [ -n "$cpu_port" ]; then
 266                 json_get_keys vlans vlans
 267                 for vlan in $vlans; do generate_switch_vlan $1 $vlan $cpu_port; done
 268         elif json_is_a ports array; then
 269                 calculate_switch_vlans $1
 270         fi
 271
 272         json_select ..
 273         json_select ..
 274 }
 275
 276 generate_rssimon() {
 277         local key="$1"
 278         local cfg="rssid_$key"
 279         local refresh threshold
 280
 281         json_select rssimon
 282         json_select "$key"
 283         json_get_vars refresh threshold
 284         json_select ..
 285         json_select ..
 286
 287         uci -q batch <<-EOF
 288                 delete system.$cfg
 289                 set system.$cfg='rssid'
 290                 set system.$cfg.dev='$key'
 291                 set system.$cfg.refresh='$refresh'
 292                 set system.$cfg.threshold='$threshold'
 293         EOF
 294 }
 295
 296 generate_led() {
 297         local key="$1"
 298         local cfg="led_$key"
 299
 300         json_select led
 301         json_select "$key"
 302         json_get_vars name sysfs type trigger default
 303
 304         uci -q batch <<-EOF
 305                 delete system.$cfg
 306                 set system.$cfg='led'
 307                 set system.$cfg.name='$name'
 308                 set system.$cfg.sysfs='$sysfs'
 309                 set system.$cfg.trigger='$trigger'
 310                 set system.$cfg.default='$default'
 311         EOF
 312
 313         case "$type" in
 314                 gpio)
 315                         local gpio inverted
 316                         json_get_vars gpio inverted
 317                         uci -q batch <<-EOF
 318                                 set system.$cfg.trigger='gpio'
 319                                 set system.$cfg.gpio='$gpio'
 320                                 set system.$cfg.inverted='$inverted'
 321                         EOF
 322                 ;;
 323
 324                 netdev)
 325                         local device
 326                         json_get_vars device
 327                         uci -q batch <<-EOF
 328                                 set system.$cfg.trigger='netdev'
 329                                 set system.$cfg.mode='link tx rx'
 330                                 set system.$cfg.dev='$device'
 331                         EOF
 332                 ;;
 333
 334                 usb)
 335                         local device
 336                         json_get_vars device
 337                         uci -q batch <<-EOF
 338                                 set system.$cfg.trigger='usbdev'
 339                                 set system.$cfg.interval='50'
 340                                 set system.$cfg.dev='$device'
 341                         EOF
 342                 ;;
 343
 344                 rssi)
 345                         local iface minq maxq offset factor
 346                         json_get_vars iface minq maxq offset factor
 347                         uci -q batch <<-EOF
 348                                 set system.$cfg.trigger='rssi'
 349                                 set system.$cfg.iface='rssid_$iface'
 350                                 set system.$cfg.minq='$minq'
 351                                 set system.$cfg.maxq='$maxq'
 352                                 set system.$cfg.offset='$offset'
 353                                 set system.$cfg.factor='$factor'
 354                         EOF
 355                 ;;
 356
 357                 switch)
 358                         local port_mask
 359                         json_get_vars port_mask
 360                         uci -q batch <<-EOF
 361                                 set system.$cfg.port_mask='$port_mask'
 362                         EOF
 363                 ;;
 364         esac
 365
 366         json_select ..
 367         json_select ..
 368 }
 369
 370 json_init
 371 json_load "$(cat ${CFG})"
 372
 373 generate_static_network
 374
 375 json_get_keys keys network
 376 for key in $keys; do generate_network $key; done
 377
 378 json_get_keys keys switch
 379 for key in $keys; do generate_switch $key; done
 380
 381 json_get_keys keys rssimon
 382 for key in $keys; do generate_rssimon $key; done
 383
 384 json_get_keys keys led
 385 for key in $keys; do generate_led $key; done
 386
 387 uci commit