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base-files: config_generate: support autogenerating vlans

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Add support for generating vlans solely from the port layout description
given through ucidef_add_switch_ports().

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 47639
This commit is contained in:
Jo-Philipp Wich 2015-11-24 21:16:38 +00:00
parent d6b5ce48dd
commit 2d5dbf9b47
1 changed files with 117 additions and 3 deletions
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120
package/base-files/files/bin/config_generate
View file

@ -31,7 +31,7 @@ generate_network() {
json_select ..
[ -n "$ifname" ] || return
[ "$create_vlan" -eq 1 ] && case $1 in
[ "${create_vlan:-0}" -eq 1 ] && case $1 in
lan) vlan=1;;
wan) vlan=2;;
*)
@ -94,6 +94,116 @@ set network.@switch_vlan[-1].ports='$ports ${cpu_port}t'
EOF
}
calculate_switch_vlans() {
local switch=$1
local ports port
local prev_role
local num device role index
local n_cpu=0 cpu0 cpu1 cpu2 cpu3
local dev0 dev1 dev2 dev3 role0 role1 role2 role3
local n_vlan=0 vlan_off=-1
local vlan_ports cpu_port
json_get_keys ports ports
json_select ports
# gather all cpu ports and count vlans
for port in $ports; do
json_select "$port"
json_get_vars num device role
if [ -n "$num" ] && [ -n "$device" ]; then
export "cpu$n_cpu=$num"
export "dev$n_cpu=$device"
n_cpu=$((n_cpu + 1))
elif [ -n "$num" ] && [ -n "$role" ] && [ "$role" != "$prev_role" ]; then
export "role$n_vlan=$role"
n_vlan=$((n_vlan + 1))
prev_role="$role"
fi
json_select ..
done
unset prev_role
# autogenerate vlans
for port in $ports ""; do
json_select "$port"
if [ -n "$port" ]; then
json_get_vars num device role
else
num="-"; role="-"
fi
if [ -n "$num" ] && [ -n "$role" ]; then
if [ "$role" != "$prev_role" ]; then
if [ -n "$vlan_ports" ]; then
let cpu_port="cpu$((vlan_off % n_cpu))"
[ $n_vlan -gt $n_cpu ] && cpu_port="${cpu_port}t"
uci -q batch <<-EOF
add network switch_vlan
set network.@switch_vlan[-1].device='$switch'
set network.@switch_vlan[-1].vlan='$((vlan_off + 1))'
set network.@switch_vlan[-1].ports='$vlan_ports $cpu_port'
EOF
fi
vlan_off=$((vlan_off + 1))
vlan_ports="$num"
prev_role="$role"
else
vlan_ports="$vlan_ports $num"
fi
fi
json_select ..
done
json_select ..
# autogenerate interfaces
vlan_off=0; while [ $vlan_off -lt $n_vlan ]; do
eval role="\$role$((vlan_off))"
eval device="\$dev$((vlan_off++ % n_cpu))"
[ $n_vlan -gt $n_cpu ] && device="$device.$vlan_off"
uci -q batch <<-EOF
delete network.$role
set network.$role='interface'
set network.$role.ifname='$device'
EOF
case $role in
lan) uci -q batch <<-EOF
set network.lan.type='bridge'
set network.lan.proto='static'
set network.lan.ipaddr='192.168.1.1'
set network.lan.netmask='255.255.255.0'
set network.lan.ip6assign='60'
EOF
;;
wan) uci -q batch <<-EOF
set network.wan.proto='dhcp'
delete network.wan6
set network.wan6='interface'
set network.wan6.ifname='$device'
set network.wan6.proto='dhcpv6'
EOF
;;
*) uci -q batch <<-EOF
set network.$role.force_link='1'
set network.$role.proto='none'
EOF
;;
esac
done
}
generate_switch() {
local key=$1
local vlans
@ -109,10 +219,14 @@ set network.@switch[-1].reset='$reset'
set network.@switch[-1].enable_vlan='$enable'
set network.@switch[-1].blinkrate='$blinkrate'
EOF
[ -n "$cpu_port" ] && {
if [ -n "$cpu_port" ]; then
json_get_keys vlans vlans
for vlan in $vlans; do generate_switch_vlan $1 $vlan $cpu_port; done
}
elif json_is_a ports array; then
calculate_switch_vlans $1
fi
json_select ..
json_select ..
}