__be16 i_flags;
__be16 o_flags;
+--- a/include/uapi/linux/if_tunnel.h
++++ b/include/uapi/linux/if_tunnel.h
+@@ -57,10 +57,23 @@ enum {
+ IFLA_IPTUN_ENCAP_FLAGS,
+ IFLA_IPTUN_ENCAP_SPORT,
+ IFLA_IPTUN_ENCAP_DPORT,
++ IFLA_IPTUN_FMRS,
+ __IFLA_IPTUN_MAX,
+ };
+ #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
+
++enum {
++ IFLA_IPTUN_FMR_UNSPEC,
++ IFLA_IPTUN_FMR_IP6_PREFIX,
++ IFLA_IPTUN_FMR_IP4_PREFIX,
++ IFLA_IPTUN_FMR_IP6_PREFIX_LEN,
++ IFLA_IPTUN_FMR_IP4_PREFIX_LEN,
++ IFLA_IPTUN_FMR_EA_LEN,
++ IFLA_IPTUN_FMR_OFFSET,
++ __IFLA_IPTUN_FMR_MAX,
++};
++#define IFLA_IPTUN_FMR_MAX (__IFLA_IPTUN_FMR_MAX - 1)
++
+ enum tunnel_encap_types {
+ TUNNEL_ENCAP_NONE,
+ TUNNEL_ENCAP_FOU,
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -16,6 +16,8 @@