--- zzzz-none-000/linux-4.19.183/net/l2tp/l2tp_netlink.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/net/l2tp/l2tp_netlink.c	2023-06-28 08:54:21.000000000 +0000
@@ -560,6 +560,9 @@
 	}
 
 	if (tunnel->version > 2) {
+		if (info->attrs[L2TP_ATTR_OFFSET])
+			cfg.offset = nla_get_u16(info->attrs[L2TP_ATTR_OFFSET]);
+
 		if (info->attrs[L2TP_ATTR_L2SPEC_TYPE]) {
 			cfg.l2specific_type = nla_get_u8(info->attrs[L2TP_ATTR_L2SPEC_TYPE]);
 			if (cfg.l2specific_type != L2TP_L2SPECTYPE_DEFAULT &&