[openwrt/openwrt] 6in4: allow specifying tunnel device name

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/cdb535ac3231cdcbb15f8682e0f165424e282003

commit cdb535ac3231cdcbb15f8682e0f165424e282003
Author: Aleksandr V. Piskunov <aleksandr.v.piskunov at gmail.com>
AuthorDate: Tue Jul 16 16:39:17 2024 +0300

    6in4: allow specifying tunnel device name
    
    Accept 'device' option, allowing to specify custom l3 device name,
    instead of default autogenerated one (prefix "6in4-" + interface name)
    
    Signed-off-by: Aleksandr V. Piskunov <aleksandr.v.piskunov at gmail.com>
    Link: https://github.com/openwrt/openwrt/pull/15961
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 package/network/ipv6/6in4/files/6in4.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/package/network/ipv6/6in4/files/6in4.sh b/package/network/ipv6/6in4/files/6in4.sh
index 5b5c7b36af..99b2b76312 100755
--- a/package/network/ipv6/6in4/files/6in4.sh
+++ b/package/network/ipv6/6in4/files/6in4.sh
@@ -45,10 +45,12 @@ proto_6in4_setup() {
 	local iface="$2"
 	local link="6in4-$cfg"
 
-	local mtu ttl tos ipaddr peeraddr ip6addr ip6prefix ip6prefixes tunlink tunnelid username password updatekey
-	json_get_vars mtu ttl tos ipaddr peeraddr ip6addr tunlink tunnelid username password updatekey
+	local mtu ttl tos ipaddr peeraddr ip6addr ip6prefix ip6prefixes tunlink tunnelid username password updatekey device
+	json_get_vars mtu ttl tos ipaddr peeraddr ip6addr tunlink tunnelid username password updatekey device
 	json_for_each_item proto_6in4_add_prefix ip6prefix ip6prefixes
 
+	[ -n "$device" ] && link="$device"
+
 	[ -z "$peeraddr" ] && {
 		proto_notify_error "$cfg" "MISSING_ADDRESS"
 		proto_block_restart "$cfg"
@@ -156,6 +158,7 @@ proto_6in4_init_config() {
 	proto_config_add_int "mtu"
 	proto_config_add_int "ttl"
 	proto_config_add_string "tos"
+	proto_config_add_string "device"
 }
 
 [ -n "$INCLUDE_ONLY" ] || {