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gluon-core: extend gluon_wired proto for l3 devices 

This is a preparation to use the gluon_wired.sh proto on top of
layer 3 tunnel interfaces.
This commit is contained in:
lemoer 2021-03-18 23:16:24 +01:00 committed by Leonardo Mörlein
parent c14b4c0b4b
commit bbecd44be1
1 changed files with 22 additions and 3 deletions
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25
package/gluon-core/files/lib/netifd/proto/gluon_wired.sh
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@ -8,6 +8,7 @@ proto_gluon_wired_init_config() {
proto_config_add_boolean transitive
proto_config_add_int index
proto_config_add_boolean vxlan
proto_config_add_string vxpeer6addr
}
xor2() {
@ -15,8 +16,24 @@ xor2() {
echo -n "${1:1:1}" | tr '0123456789abcdef' '23016745ab89efcd'
}
is_layer3_device () {
local addrlen="$(cat "/sys/class/net/$1/addr_len")"
test "$addrlen" -eq 0
}
# shellcheck disable=SC2086
interface_linklocal() {
if is_layer3_device "$1"; then
if ! ubus call network.interface dump | \
jsonfilter -e "@.interface[@.l3_device='$1']['ipv6-address'][*].address" | \
grep -e '^fe[89ab][0-9a-f]' -m 1; then
proto_notify_error "$config" "MISSING_LL_ADDR_ON_LOWER_IFACE"
proto_block_restart "$config"
exit 1
fi
return
fi
local macaddr="$(ubus call network.device status '{"name": "'"$1"'"}' | jsonfilter -e '@.macaddr')"
local oldIFS="$IFS"; IFS=':'; set -- $macaddr; IFS="$oldIFS"
@ -29,11 +46,12 @@ proto_gluon_wired_setup() {
local meshif="$config"
local transitive index vxlan
json_get_vars transitive index vxlan
local transitive index vxlan vxpeer6addr
json_get_vars transitive index vxlan vxpeer6addr
# default args
[ -z "$vxlan" ] && vxlan=1
[ -z "$vxpeer6addr" ] && vxpeer6addr='ff02::15c'
proto_init_update "$ifname" 1
proto_send_update "$config"
@ -46,8 +64,9 @@ proto_gluon_wired_setup() {
[ -n "$index" ] && json_add_string macaddr "$(lua -e "print(require('gluon.util').generate_mac($index))")"
json_add_string proto 'vxlan6'
json_add_string tunlink "$config"
# ip6addr (the lower interface ip6) is used by the vxlan.sh proto
json_add_string ip6addr "$(interface_linklocal "$ifname")"
json_add_string peer6addr 'ff02::15c'
json_add_string peer6addr "$vxpeer6addr"
json_add_int vid "$(lua -e 'print(tonumber(require("gluon.util").domain_seed_bytes("gluon-mesh-vxlan", 3), 16))')"
json_add_boolean rxcsum '0'
json_add_boolean txcsum '0'