diff --git a/ip/iplink_vxlan.c b/ip/iplink_vxlan.c index 2bc253fc..831f39a2 100644 --- a/ip/iplink_vxlan.c +++ b/ip/iplink_vxlan.c @@ -82,6 +82,7 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv, __u64 attrs = 0; bool set_op = (n->nlmsg_type == RTM_NEWLINK && !(n->nlmsg_flags & NLM_F_CREATE)); + bool selected_family = false; saddr.family = daddr.family = AF_UNSPEC; @@ -356,12 +357,26 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv, int type = (saddr.family == AF_INET) ? IFLA_VXLAN_LOCAL : IFLA_VXLAN_LOCAL6; addattr_l(n, 1024, type, saddr.data, saddr.bytelen); + selected_family = true; } if (is_addrtype_inet(&daddr)) { int type = (daddr.family == AF_INET) ? IFLA_VXLAN_GROUP : IFLA_VXLAN_GROUP6; addattr_l(n, 1024, type, daddr.data, daddr.bytelen); + selected_family = true; + } + + if (!selected_family) { + if (preferred_family == AF_INET) { + get_addr(&daddr, "default", AF_INET); + addattr_l(n, 1024, IFLA_VXLAN_GROUP, + daddr.data, daddr.bytelen); + } else if (preferred_family == AF_INET6) { + get_addr(&daddr, "default", AF_INET6); + addattr_l(n, 1024, IFLA_VXLAN_GROUP6, + daddr.data, daddr.bytelen); + } } if (!set_op || VXLAN_ATTRSET(attrs, IFLA_VXLAN_LEARNING))