+void
+ip4_mfib_interface_enable_disable (u32 sw_if_index, int is_enable)
+{
+ const fib_route_path_t path = {
+ .frp_proto = DPO_PROTO_IP4,
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = sw_if_index,
+ .frp_fib_index = ~0,
+ .frp_weight = 1,
+ .frp_mitf_flags = MFIB_ITF_FLAG_ACCEPT,
+ };
+ u32 mfib_index;
+ int ii;
+
+ mfib_index = ip4_mfib_table_get_index_for_sw_if_index(sw_if_index);
+
+ for (ii = 0; ii < ARRAY_LEN(ip4_specials); ii++)
+ {
+ if (is_enable)
+ {
+ mfib_table_entry_path_update(mfib_index,
+ &ip4_specials[ii],
+ MFIB_SOURCE_SPECIAL,
+ MFIB_ENTRY_FLAG_NONE,
+ &path);
+ }
+ else
+ {
+ mfib_table_entry_path_remove(mfib_index,
+ &ip4_specials[ii],
+ MFIB_SOURCE_SPECIAL,
+ &path);
+ }
+ }
+}
+