-int
-add_del_route_t_handler (u8 is_multipath,
- u8 is_add,
- u8 is_drop,
- u8 is_unreach,
- u8 is_prohibit,
- u8 is_local,
- u8 is_multicast,
- u8 is_classify,
- u32 classify_table_index,
- u8 is_resolve_host,
- u8 is_resolve_attached,
- u8 is_interface_rx,
- u8 is_rpf_id,
- u8 is_dvr,
- u8 is_source_lookup,
- u8 is_udp_encap,
- u32 fib_index,
- const fib_prefix_t * prefix,
- dpo_proto_t next_hop_proto,
- const ip46_address_t * next_hop,
- u32 next_hop_id,
- u32 next_hop_sw_if_index,
- u8 next_hop_fib_index,
- u16 next_hop_weight,
- u16 next_hop_preference,
- mpls_label_t next_hop_via_label,
- fib_mpls_label_t * next_hop_out_label_stack)
-{
- vnet_classify_main_t *cm = &vnet_classify_main;
- fib_route_path_flags_t path_flags = FIB_ROUTE_PATH_FLAG_NONE;
- fib_route_path_t path = {
- .frp_proto = next_hop_proto,
- .frp_addr = (NULL == next_hop ? zero_addr : *next_hop),
- .frp_sw_if_index = next_hop_sw_if_index,
- .frp_fib_index = next_hop_fib_index,
- .frp_weight = next_hop_weight,
- .frp_preference = next_hop_preference,
- .frp_label_stack = next_hop_out_label_stack,
- };
- fib_route_path_t *paths = NULL;
- fib_entry_flag_t entry_flags = FIB_ENTRY_FLAG_NONE;
-
- /*
- * the special INVALID label means we are not recursing via a
- * label. Exp-null value is never a valid via-label so that
- * also means it's not a via-label and means clients that set
- * it to 0 by default get the expected behaviour
- */
- if ((MPLS_LABEL_INVALID != next_hop_via_label) && (0 != next_hop_via_label))
- {
- path.frp_proto = DPO_PROTO_MPLS;
- path.frp_local_label = next_hop_via_label;
- path.frp_eos = MPLS_NON_EOS;
- }
- if (is_local)
- {
- path_flags |= FIB_ROUTE_PATH_LOCAL;
- if (~0 != next_hop_sw_if_index)
- {
- entry_flags |= (FIB_ENTRY_FLAG_CONNECTED | FIB_ENTRY_FLAG_LOCAL);
- }
- }
- if (is_dvr)
- path_flags |= FIB_ROUTE_PATH_DVR;
- if (is_resolve_host)
- path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST;
- if (is_resolve_attached)
- path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED;
- if (is_interface_rx)
- path_flags |= FIB_ROUTE_PATH_INTF_RX;
- if (is_rpf_id)
- path_flags |= FIB_ROUTE_PATH_RPF_ID;
- if (is_source_lookup)
- path_flags |= FIB_ROUTE_PATH_SOURCE_LOOKUP;
- if (is_multicast)
- entry_flags |= FIB_ENTRY_FLAG_MULTICAST;
- if (is_udp_encap)
- {
- path_flags |= FIB_ROUTE_PATH_UDP_ENCAP;
- path.frp_udp_encap_id = next_hop_id;
- }
- if (path.frp_sw_if_index == ~0 && ip46_address_is_zero (&path.frp_addr)
- && path.frp_fib_index != ~0)
- {
- path_flags |= FIB_ROUTE_PATH_DEAG;
- }
-
- path.frp_flags = path_flags;
-
- if (is_drop || (is_local && (~0 == next_hop_sw_if_index)) ||
- is_classify || is_unreach || is_prohibit)
- {
- /*
- * special route types that link directly to the adj
- */
- if (is_add)
- {
- dpo_id_t dpo = DPO_INVALID;
- dpo_proto_t dproto;
-
- dproto = fib_proto_to_dpo (prefix->fp_proto);
-
- if (is_drop)
- ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_NONE, &dpo);
- else if (is_local)
- receive_dpo_add_or_lock (dproto, ~0, NULL, &dpo);
- else if (is_unreach)
- ip_null_dpo_add_and_lock (dproto,
- IP_NULL_ACTION_SEND_ICMP_UNREACH, &dpo);
- else if (is_prohibit)
- ip_null_dpo_add_and_lock (dproto,
- IP_NULL_ACTION_SEND_ICMP_PROHIBIT,
- &dpo);
- else if (is_classify)
- {
- if (pool_is_free_index (cm->tables,
- ntohl (classify_table_index)))
- {
- return VNET_API_ERROR_NO_SUCH_TABLE;
- }
-
- dpo_set (&dpo, DPO_CLASSIFY, dproto,
- classify_dpo_create (dproto,
- ntohl (classify_table_index)));
- }
- else
- {
- return VNET_API_ERROR_NO_SUCH_TABLE;
- }
-
- fib_table_entry_special_dpo_update (fib_index,
- prefix,
- FIB_SOURCE_API,
- FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
- dpo_reset (&dpo);
- }
- else
- {
- fib_table_entry_special_remove (fib_index, prefix, FIB_SOURCE_API);
- }
- }
- else if (is_multipath)
- {
- vec_add1 (paths, path);
-
- if (is_add)
- fib_table_entry_path_add2 (fib_index,
- prefix,
- FIB_SOURCE_API, entry_flags, paths);
- else
- fib_table_entry_path_remove2 (fib_index,
- prefix, FIB_SOURCE_API, paths);
-
- vec_free (paths);
- }
- else
- {
- if (is_add)
- {
- vec_add1 (paths, path);
- fib_table_entry_update (fib_index,
- prefix, FIB_SOURCE_API, entry_flags, paths);
- vec_free (paths);
- }
- else
- {
- fib_table_entry_delete (fib_index, prefix, FIB_SOURCE_API);
- }
- }
-
- return (0);
-}
-
-int
-add_del_route_check (fib_protocol_t table_proto,
- u32 table_id,
- u32 next_hop_sw_if_index,
- dpo_proto_t next_hop_table_proto,
- u32 next_hop_table_id,
- u8 is_rpf_id, u32 * fib_index, u32 * next_hop_fib_index)
-{
- vnet_main_t *vnm = vnet_get_main ();
-
- *fib_index = fib_table_find (table_proto, ntohl (table_id));
- if (~0 == *fib_index)
- {
- /* No such VRF, and we weren't asked to create one */
- return VNET_API_ERROR_NO_SUCH_FIB;
- }
-
- if (!is_rpf_id && ~0 != ntohl (next_hop_sw_if_index))
- {
- if (pool_is_free_index (vnm->interface_main.sw_interfaces,
- ntohl (next_hop_sw_if_index)))
- {
- return VNET_API_ERROR_NO_MATCHING_INTERFACE;
- }
- }
- else
- {
- fib_protocol_t fib_nh_proto;
-
- if (next_hop_table_proto > DPO_PROTO_MPLS)
- return (0);
-
- fib_nh_proto = dpo_proto_to_fib (next_hop_table_proto);
-
- if (is_rpf_id)
- *next_hop_fib_index = mfib_table_find (fib_nh_proto,
- ntohl (next_hop_table_id));
- else
- *next_hop_fib_index = fib_table_find (fib_nh_proto,
- ntohl (next_hop_table_id));
-
- if (~0 == *next_hop_fib_index)
- {
- /* No such VRF, and we weren't asked to create one */
- return VNET_API_ERROR_NO_SUCH_FIB;
- }
- }
-
- return (0);
-}
-