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 prev_role
 113         local num device role index need_tag
 114         local cpu0 cpu1 cpu2 cpu3
 115         local dev0 dev1 dev2 dev3
 116         local tag0 tag1 tag2 tag3
 117         local role0 role1 role2 role3
 118         local n_cpu=0  n_vlan=0 vlan_off=-1
 119         local vlan_ports cpu_port
 120
 121         json_get_keys ports ports
 122
 123         json_select ports
 124
 125         # gather all cpu ports and count vlans
 126         for port in $ports; do
 127                 json_select "$port"
 128                 json_get_vars num device role need_tag
 129
 130                 if json_is_a attr object; then
 131                         json_get_keys attr attr
 132                         json_select attr
 133
 134                         uci -q batch <<-EOF
 135                                 add network switch_port
 136                                 set network.@switch_port[-1].device='$switch'
 137                                 set network.@switch_port[-1].port=$num
 138                         EOF
 139
 140                         for attr in $attr; do
 141                                 json_get_var val "$attr"
 142                                 uci -q set network.@switch_port[-1].$attr="$val"
 143                         done
 144
 145                         json_select ..
 146                 fi
 147
 148                 json_select ..
 149
 150                 if [ -n "$num" ] && [ -n "$device" ]; then
 151                         export "cpu$n_cpu=$num"
 152                         export "dev$n_cpu=$device"
 153                         export "tag$n_cpu=${need_tag:-0}"
 154                         n_cpu=$((n_cpu + 1))
 155                 elif [ -n "$num" ] && [ -n "$role" ] && [ "$role" != "$prev_role" ]; then
 156                         export "role$n_vlan=$role"
 157                         n_vlan=$((n_vlan + 1))
 158                         prev_role="$role"
 159                 fi
 160         done
 161
 162         unset prev_role
 163
 164         # autogenerate vlans
 165         for port in $ports ""; do
 166                 if [ -n "$port" ]; then
 167                         json_select "$port"
 168                         json_get_vars num device role
 169                         json_select ..
 170                 else
 171                         num="-"; role="-"
 172                 fi
 173
 174                 if [ -n "$num" ] && [ -n "$role" ]; then
 175                         if [ "$role" != "$prev_role" ]; then
 176                                 if [ -n "$vlan_ports" ]; then
 177                                         let cpu_port="cpu$((vlan_off % n_cpu))"
 178                                         let need_tag="tag$((vlan_off % n_cpu))"
 179                                         [ $n_vlan -gt $n_cpu -o $need_tag -eq 1 ] && cpu_port="${cpu_port}t"
 180
 181                                         uci -q batch <<-EOF
 182                                                 add network switch_vlan
 183                                                 set network.@switch_vlan[-1].device='$switch'
 184                                                 set network.@switch_vlan[-1].vlan='$((vlan_off + 1))'
 185                                                 set network.@switch_vlan[-1].ports='$vlan_ports $cpu_port'
 186                                         EOF
 187                                 fi
 188
 189                                 vlan_off=$((vlan_off + 1))
 190                                 vlan_ports="$num"
 191                                 prev_role="$role"
 192                         else
 193                                 vlan_ports="$vlan_ports $num"
 194                         fi
 195
 196                 fi
 197         done
 198
 199         json_select ..
 200
 201         # autogenerate interfaces
 202         vlan_off=0; while [ $vlan_off -lt $n_vlan ]; do
 203                 eval role="\$role$((vlan_off))"
 204                 eval device="\$dev$((vlan_off % n_cpu))"
 205                 let need_tag="tag$((vlan_off++ % n_cpu))"
 206                 [ $n_vlan -gt $n_cpu -o $need_tag -eq 1 ] && device="$device.$vlan_off"
 207
 208                 # quirk: append ifnames for subsequent switches
 209                 case "$switch" in switch[1-9])
 210                         local prev_devs="$(uci -q get "network.$role.ifname")"
 211                         if echo "$prev_devs" | grep -wq "$device"; then
 212                                 device="$prev_devs"
 213                         else
 214                                 device="$prev_devs $device"
 215                         fi
 216                 ;; esac
 217
 218                 uci -q batch <<-EOF
 219                         set network.$role='interface'
 220                         set network.$role.ifname='$device'
 221                 EOF
 222
 223                 case $role in
 224                         lan)
 225                                 uci -q batch <<-EOF
 226                                         set network.lan.type='bridge'
 227                                         set network.lan.proto='static'
 228                                         set network.lan.ipaddr='192.168.1.1'
 229                                         set network.lan.netmask='255.255.255.0'
 230                                         set network.lan.ip6assign='60'
 231                                 EOF
 232                         ;;
 233
 234                         wan)
 235                                 uci -q batch <<-EOF
 236                                         set network.wan.proto='dhcp'
 237                                         set network.wan6='interface'
 238                                         set network.wan6.ifname='$device'
 239                                         set network.wan6.proto='dhcpv6'
 240                                 EOF
 241                         ;;
 242
 243                         *)
 244                                 uci -q batch <<-EOF
 245                                         set network.$role.force_link='1'
 246                                         set network.$role.proto='none'
 247                                 EOF
 248                         ;;
 249                 esac
 250         done
 251 }
 252
 253 generate_switch() {
 254         local key="$1"
 255         local vlans
 256
 257         json_select switch
 258         json_select "$key"
 259         json_get_vars enable reset blinkrate cpu_port
 260
 261         uci -q batch <<-EOF
 262                 add network switch
 263                 set network.@switch[-1].name='$key'
 264                 set network.@switch[-1].reset='$reset'
 265                 set network.@switch[-1].enable_vlan='$enable'
 266                 set network.@switch[-1].blinkrate='$blinkrate'
 267         EOF
 268
 269         if [ -n "$cpu_port" ]; then
 270                 json_get_keys vlans vlans
 271                 for vlan in $vlans; do generate_switch_vlan $1 $vlan $cpu_port; done
 272         elif json_is_a ports array; then
 273                 calculate_switch_vlans $1
 274         fi
 275
 276         json_select ..
 277         json_select ..
 278 }
 279
 280 generate_rssimon() {
 281         local key="$1"
 282         local cfg="rssid_$key"
 283         local refresh threshold
 284
 285         json_select rssimon
 286         json_select "$key"
 287         json_get_vars refresh threshold
 288         json_select ..
 289         json_select ..
 290
 291         uci -q batch <<-EOF
 292                 delete system.$cfg
 293                 set system.$cfg='rssid'
 294                 set system.$cfg.dev='$key'
 295                 set system.$cfg.refresh='$refresh'
 296                 set system.$cfg.threshold='$threshold'
 297         EOF
 298 }
 299
 300 generate_led() {
 301         local key="$1"
 302         local cfg="led_$key"
 303
 304         json_select led
 305         json_select "$key"
 306         json_get_vars name sysfs type trigger default
 307
 308         uci -q batch <<-EOF
 309                 delete system.$cfg
 310                 set system.$cfg='led'
 311                 set system.$cfg.name='$name'
 312                 set system.$cfg.sysfs='$sysfs'
 313                 set system.$cfg.trigger='$trigger'
 314                 set system.$cfg.default='$default'
 315         EOF
 316
 317         case "$type" in
 318                 gpio)
 319                         local gpio inverted
 320                         json_get_vars gpio inverted
 321                         uci -q batch <<-EOF
 322                                 set system.$cfg.trigger='gpio'
 323                                 set system.$cfg.gpio='$gpio'
 324                                 set system.$cfg.inverted='$inverted'
 325                         EOF
 326                 ;;
 327
 328                 netdev)
 329                         local device
 330                         json_get_vars device
 331                         uci -q batch <<-EOF
 332                                 set system.$cfg.trigger='netdev'
 333                                 set system.$cfg.mode='link tx rx'
 334                                 set system.$cfg.dev='$device'
 335                         EOF
 336                 ;;
 337
 338                 usb)
 339                         local device
 340                         json_get_vars device
 341                         uci -q batch <<-EOF
 342                                 set system.$cfg.trigger='usbdev'
 343                                 set system.$cfg.interval='50'
 344                                 set system.$cfg.dev='$device'
 345                         EOF
 346                 ;;
 347
 348                 rssi)
 349                         local iface minq maxq offset factor
 350                         json_get_vars iface minq maxq offset factor
 351                         uci -q batch <<-EOF
 352                                 set system.$cfg.trigger='rssi'
 353                                 set system.$cfg.iface='rssid_$iface'
 354                                 set system.$cfg.minq='$minq'
 355                                 set system.$cfg.maxq='$maxq'
 356                                 set system.$cfg.offset='$offset'
 357                                 set system.$cfg.factor='$factor'
 358                         EOF
 359                 ;;
 360
 361                 switch)
 362                         local port_mask
 363                         json_get_vars port_mask
 364                         uci -q batch <<-EOF
 365                                 set system.$cfg.port_mask='$port_mask'
 366                         EOF
 367                 ;;
 368         esac
 369
 370         json_select ..
 371         json_select ..
 372 }
 373
 374 json_init
 375 json_load "$(cat ${CFG})"
 376
 377 generate_static_network
 378
 379 json_get_keys keys network
 380 for key in $keys; do generate_network $key; done
 381
 382 json_get_keys keys switch
 383 for key in $keys; do generate_switch $key; done
 384
 385 json_get_keys keys rssimon
 386 for key in $keys; do generate_rssimon $key; done
 387
 388 json_get_keys keys led
 389 for key in $keys; do generate_led $key; done
 390
 391 uci commit