- si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
- was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
-
- if (is_del)
- {
- si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
- si->unnumbered_sw_if_index = (u32) ~ 0;
-
- ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
- [unnumbered_sw_if_index] = ~0;
- ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
- [unnumbered_sw_if_index] = ~0;
- }
- else if (is_set)
- {
- si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
- si->unnumbered_sw_if_index = inherit_from_sw_if_index;
-
- ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
- [unnumbered_sw_if_index] =
- ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
- [inherit_from_sw_if_index];
- ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
- [unnumbered_sw_if_index] =
- ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
- [inherit_from_sw_if_index];
- }
+ if (~0 == unnumbered_sw_if_index)
+ return clib_error_return (0, "Specify the unnumbered interface");
+ if (enable && ~0 == inherit_from_sw_if_index)
+ return clib_error_return (0, "When enabling unnumberered specify the"
+ " IP enabled interface that it uses");