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