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$((vlan_off % n_cpu))"
 176                                         let need_tag="tag$((vlan_off % n_cpu))"
 177                                         [ $n_vlan -gt $n_cpu -o $need_tag -eq 1 ] && cpu_port="${cpu_port}t"
 178
 179                                         uci -q batch <<-EOF
 180                                                 add network switch_vlan
 181                                                 set network.@switch_vlan[-1].device='$switch'
 182                                                 set network.@switch_vlan[-1].vlan='$((vlan_off + 1))'
 183                                                 set network.@switch_vlan[-1].ports='$vlan_ports $cpu_port'
 184                                         EOF
 185                                 fi
 186
 187                                 vlan_off=$((vlan_off + 1))
 188                                 vlan_ports="$num"
 189                                 prev_role="$role"
 190                         else
 191                                 vlan_ports="$vlan_ports $num"
 192                         fi
 193
 194                 fi
 195         done
 196
 197         json_select ..
 198
 199         # autogenerate interfaces
 200         vlan_off=0; while [ $vlan_off -lt $n_vlan ]; do
 201                 eval role="\$role$((vlan_off))"
 202                 eval device="\$dev$((vlan_off % n_cpu))"
 203                 let need_tag="tag$((vlan_off++ % n_cpu))"
 204                 [ $n_vlan -gt $n_cpu -o $need_tag -eq 1 ] && device="$device.$vlan_off"
 205
 206                 # quirk: append ifnames for subsequent switches
 207                 case "$switch" in switch[1-9])
 208                         local prev_devs="$(uci -q get "network.$role.ifname")"
 209                         if echo "$prev_devs" | grep -wq "$device"; then
 210                                 device="$prev_devs"
 211                         else
 212                                 device="$prev_devs $device"
 213                         fi
 214                 ;; esac
 215
 216                 uci -q batch <<-EOF
 217                         set network.$role='interface'
 218                         set network.$role.ifname='$device'
 219                 EOF
 220
 221                 case $role in
 222                         lan)
 223                                 uci -q batch <<-EOF
 224                                         set network.lan.type='bridge'
 225                                         set network.lan.proto='static'
 226                                         set network.lan.ipaddr='192.168.1.1'
 227                                         set network.lan.netmask='255.255.255.0'
 228                                         set network.lan.ip6assign='60'
 229                                 EOF
 230                         ;;
 231
 232                         wan)
 233                                 uci -q batch <<-EOF
 234                                         set network.wan.proto='dhcp'
 235                                         set network.wan6='interface'
 236                                         set network.wan6.ifname='$device'
 237                                         set network.wan6.proto='dhcpv6'
 238                                 EOF
 239                         ;;
 240
 241                         *)
 242                                 uci -q batch <<-EOF
 243                                         set network.$role.force_link='1'
 244                                         set network.$role.proto='none'
 245                                 EOF
 246                         ;;
 247                 esac
 248         done
 249 }
 250
 251 generate_switch() {
 252         local key="$1"
 253         local vlans
 254
 255         json_select switch
 256         json_select "$key"
 257         json_get_vars enable reset blinkrate cpu_port
 258
 259         uci -q batch <<-EOF
 260                 add network switch
 261                 set network.@switch[-1].name='$key'
 262                 set network.@switch[-1].reset='$reset'
 263                 set network.@switch[-1].enable_vlan='$enable'
 264                 set network.@switch[-1].blinkrate='$blinkrate'
 265         EOF
 266
 267         if [ -n "$cpu_port" ]; then
 268                 json_get_keys vlans vlans
 269                 for vlan in $vlans; do generate_switch_vlan $1 $vlan $cpu_port; done
 270         elif json_is_a ports array; then
 271                 calculate_switch_vlans $1
 272         fi
 273
 274         json_select ..
 275         json_select ..
 276 }
 277
 278 generate_rssimon() {
 279         local key="$1"
 280         local cfg="rssid_$key"
 281         local refresh threshold
 282
 283         json_select rssimon
 284         json_select "$key"
 285         json_get_vars refresh threshold
 286         json_select ..
 287         json_select ..
 288
 289         uci -q batch <<-EOF
 290                 delete system.$cfg
 291                 set system.$cfg='rssid'
 292                 set system.$cfg.dev='$key'
 293                 set system.$cfg.refresh='$refresh'
 294                 set system.$cfg.threshold='$threshold'
 295         EOF
 296 }
 297
 298 generate_led() {
 299         local key="$1"
 300         local cfg="led_$key"
 301
 302         json_select led
 303         json_select "$key"
 304         json_get_vars name sysfs type trigger default
 305
 306         uci -q batch <<-EOF
 307                 delete system.$cfg
 308                 set system.$cfg='led'
 309                 set system.$cfg.name='$name'
 310                 set system.$cfg.sysfs='$sysfs'
 311                 set system.$cfg.trigger='$trigger'
 312                 set system.$cfg.default='$default'
 313         EOF
 314
 315         case "$type" in
 316                 gpio)
 317                         local gpio inverted
 318                         json_get_vars gpio inverted
 319                         uci -q batch <<-EOF
 320                                 set system.$cfg.trigger='gpio'
 321                                 set system.$cfg.gpio='$gpio'
 322                                 set system.$cfg.inverted='$inverted'
 323                         EOF
 324                 ;;
 325
 326                 netdev)
 327                         local device
 328                         json_get_vars device
 329                         uci -q batch <<-EOF
 330                                 set system.$cfg.trigger='netdev'
 331                                 set system.$cfg.mode='link tx rx'
 332                                 set system.$cfg.dev='$device'
 333                         EOF
 334                 ;;
 335
 336                 usb)
 337                         local device
 338                         json_get_vars device
 339                         uci -q batch <<-EOF
 340                                 set system.$cfg.trigger='usbdev'
 341                                 set system.$cfg.interval='50'
 342                                 set system.$cfg.dev='$device'
 343                         EOF
 344                 ;;
 345
 346                 rssi)
 347                         local iface minq maxq offset factor
 348                         json_get_vars iface minq maxq offset factor
 349                         uci -q batch <<-EOF
 350                                 set system.$cfg.trigger='rssi'
 351                                 set system.$cfg.iface='rssid_$iface'
 352                                 set system.$cfg.minq='$minq'
 353                                 set system.$cfg.maxq='$maxq'
 354                                 set system.$cfg.offset='$offset'
 355                                 set system.$cfg.factor='$factor'
 356                         EOF
 357                 ;;
 358
 359                 switch)
 360                         local port_mask
 361                         json_get_vars port_mask
 362                         uci -q batch <<-EOF
 363                                 set system.$cfg.port_mask='$port_mask'
 364                         EOF
 365                 ;;
 366         esac
 367
 368         json_select ..
 369         json_select ..
 370 }
 371
 372 json_init
 373 json_load "$(cat ${CFG})"
 374
 375 generate_static_network
 376
 377 json_get_keys keys network
 378 for key in $keys; do generate_network $key; done
 379
 380 json_get_keys keys switch
 381 for key in $keys; do generate_switch $key; done
 382
 383 json_get_keys keys rssimon
 384 for key in $keys; do generate_rssimon $key; done
 385
 386 json_get_keys keys led
 387 for key in $keys; do generate_led $key; done
 388
 389 uci commit