+ .hop_type = BFD_HOP_TYPE_MULTI,
+ .local_state = BFD_STATE_init,
+ };
+
+ fib_bfd_notify (BFD_LISTEN_EVENT_CREATE, &bfd_10_10_10_2);
+
+ /*
+ * remove the adj-fib source whilst the session is present
+ * then add it back
+ */
+ fib_table_entry_delete(0, &pfx_10_10_10_2_s_32, FIB_SOURCE_ADJ);
+ fib_table_entry_path_add(0,
+ &pfx_10_10_10_2_s_32,
+ FIB_SOURCE_ADJ,
+ FIB_ENTRY_FLAG_ATTACHED,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_2,
+ tm->hw[0]->sw_if_index,
+ ~0, // invalid fib index
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ /*
+ * Before adding a recursive via the BFD tracked ADJ-FIBs,
+ * bring one of the sessions UP, leave the other down
+ */
+ bfd_10_10_10_1.local_state = BFD_STATE_up;
+ fib_bfd_notify (BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_1);
+ bfd_10_10_10_2.local_state = BFD_STATE_down;
+ fib_bfd_notify (BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_2);
+
+ /*
+ * A recursive prefix via both of the ADJ FIBs
+ */
+ fib_prefix_t pfx_200_0_0_0_s_24 = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ .fp_addr = {
+ .ip4.as_u32 = clib_host_to_net_u32(0xc8000000),
+ },
+ };
+ const dpo_id_t *dpo_10_10_10_1, *dpo_10_10_10_2;
+
+ dpo_10_10_10_1 =
+ fib_entry_contribute_ip_forwarding(
+ fib_table_lookup_exact_match(0, &pfx_10_10_10_1_s_32));
+ dpo_10_10_10_2 =
+ fib_entry_contribute_ip_forwarding(
+ fib_table_lookup_exact_match(0, &pfx_10_10_10_2_s_32));
+
+ fib_test_lb_bucket_t lb_o_10_10_10_1 = {
+ .type = FT_LB_O_LB,
+ .lb = {
+ .lb = dpo_10_10_10_1->dpoi_index,
+ },
+ };
+ fib_test_lb_bucket_t lb_o_10_10_10_2 = {
+ .type = FT_LB_O_LB,
+ .lb = {
+ .lb = dpo_10_10_10_2->dpoi_index,
+ },
+ };
+
+ /*
+ * A prefix via the adj-fib that is BFD down => DROP
+ */
+ fei = fib_table_entry_path_add(0,
+ &pfx_200_0_0_0_s_24,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_2,
+ ~0, // recursive
+ 0, // default fib index
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_200_0_0_0_s_24);
+
+ /*
+ * add a path via the UP BFD adj-fib.
+ * we expect that the DOWN BFD ADJ FIB is not used.
+ */
+ fei = fib_table_entry_path_add(0,
+ &pfx_200_0_0_0_s_24,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_1,
+ ~0, // recursive
+ 0, // default fib index
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ FIB_TEST(!fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &lb_o_10_10_10_1),
+ "Recursive %U only UP BFD adj-fibs",
+ format_fib_prefix, &pfx_200_0_0_0_s_24);
+
+ /*
+ * Send a BFD state change to UP - both sessions are now up
+ * the recursive prefix should LB over both
+ */
+ bfd_10_10_10_2.local_state = BFD_STATE_up;
+ fib_bfd_notify (BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_2);
+
+
+ FIB_TEST(!fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 2,
+ &lb_o_10_10_10_1,
+ &lb_o_10_10_10_2),
+ "Recursive %U via both UP BFD adj-fibs",
+ format_fib_prefix, &pfx_200_0_0_0_s_24);
+
+ /*
+ * Send a BFD state change to DOWN
+ * the recursive prefix should exclude the down
+ */
+ bfd_10_10_10_2.local_state = BFD_STATE_down;
+ fib_bfd_notify (BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_2);
+
+
+ FIB_TEST(!fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &lb_o_10_10_10_1),
+ "Recursive %U via only UP",
+ format_fib_prefix, &pfx_200_0_0_0_s_24);
+
+ /*
+ * Delete the BFD session while it is in the DOWN state.
+ * FIB should consider the entry's state as back up
+ */
+ fib_bfd_notify (BFD_LISTEN_EVENT_DELETE, &bfd_10_10_10_2);
+
+ FIB_TEST(!fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 2,
+ &lb_o_10_10_10_1,
+ &lb_o_10_10_10_2),
+ "Recursive %U via both UP BFD adj-fibs post down session delete",
+ format_fib_prefix, &pfx_200_0_0_0_s_24);
+
+ /*
+ * Delete the BFD other session while it is in the UP state.
+ */
+ fib_bfd_notify (BFD_LISTEN_EVENT_DELETE, &bfd_10_10_10_1);
+
+ FIB_TEST(!fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 2,
+ &lb_o_10_10_10_1,
+ &lb_o_10_10_10_2),
+ "Recursive %U via both UP BFD adj-fibs post up session delete",
+ format_fib_prefix, &pfx_200_0_0_0_s_24);
+
+ /*
+ * cleaup
+ */
+ fib_table_entry_delete(0, &pfx_200_0_0_0_s_24, FIB_SOURCE_API);
+ fib_table_entry_delete(0, &pfx_10_10_10_1_s_32, FIB_SOURCE_ADJ);
+ fib_table_entry_delete(0, &pfx_10_10_10_2_s_32, FIB_SOURCE_ADJ);
+
+ fib_table_entry_delete(0, &pfx_10_10_10_10_s_32, FIB_SOURCE_INTERFACE);
+ fib_table_entry_delete(0, &pfx_10_10_10_10_s_24, FIB_SOURCE_INTERFACE);
+
+ adj_unlock(ai_10_10_10_1);
+ /*
+ * test no-one left behind
+ */
+ FIB_TEST((n_feis == fib_entry_pool_size()), "Entries gone");
+ FIB_TEST(0 == adj_nbr_db_size(), "All adjacencies removed");
+
+ /*
+ * Single-hop BFD tests
+ */
+ bfd_10_10_10_1.hop_type = BFD_HOP_TYPE_SINGLE;
+ bfd_10_10_10_1.udp.key.sw_if_index = tm->hw[0]->sw_if_index;
+
+ adj_bfd_notify(BFD_LISTEN_EVENT_CREATE, &bfd_10_10_10_1);
+
+ ai_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
+ VNET_LINK_IP4,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index);
+ /*
+ * whilst the BFD session is not signalled, the adj is up
+ */
+ FIB_TEST(adj_is_up(ai_10_10_10_1), "Adj state up on uninit session");
+
+ /*
+ * bring the BFD session up
+ */
+ bfd_10_10_10_1.local_state = BFD_STATE_up;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_1);
+ FIB_TEST(adj_is_up(ai_10_10_10_1), "Adj state up on UP session");
+
+ /*
+ * bring the BFD session down
+ */
+ bfd_10_10_10_1.local_state = BFD_STATE_down;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_1);
+ FIB_TEST(!adj_is_up(ai_10_10_10_1), "Adj state down on DOWN session");
+
+
+ /*
+ * add an attached next hop FIB entry via the down adj
+ */
+ fib_prefix_t pfx_5_5_5_5_s_32 = {
+ .fp_addr = {
+ .ip4 = {
+ .as_u32 = clib_host_to_net_u32(0x05050505),
+ },
+ },
+ .fp_len = 32,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ };
+
+ fei = fib_table_entry_path_add(0,
+ &pfx_5_5_5_5_s_32,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index,
+ ~0, // invalid fib index
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_5_5_5_5_s_32);
+
+ /*
+ * Add a path via an ADJ that is up
+ */
+ adj_index_t ai_10_10_10_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
+ VNET_LINK_IP4,
+ &nh_10_10_10_2,
+ tm->hw[0]->sw_if_index);
+
+ fib_test_lb_bucket_t adj_o_10_10_10_2 = {
+ .type = FT_LB_ADJ,
+ .adj = {
+ .adj = ai_10_10_10_2,
+ },
+ };
+ adj_o_10_10_10_1.adj.adj = ai_10_10_10_1;
+
+ fei = fib_table_entry_path_add(0,
+ &pfx_5_5_5_5_s_32,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_2,
+ tm->hw[0]->sw_if_index,
+ ~0, // invalid fib index
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ FIB_TEST(!fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "BFD sourced %U via %U",
+ format_fib_prefix, &pfx_5_5_5_5_s_32,
+ format_ip_adjacency, ai_10_10_10_2, FORMAT_IP_ADJACENCY_NONE);
+
+ /*
+ * Bring up the down session - should now LB
+ */
+ bfd_10_10_10_1.local_state = BFD_STATE_up;
+ adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_1);
+ FIB_TEST(!fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 2,
+ &adj_o_10_10_10_1,
+ &adj_o_10_10_10_2),
+ "BFD sourced %U via noth adjs",
+ format_fib_prefix, &pfx_5_5_5_5_s_32);
+
+ /*
+ * remove the BFD session state from the adj
+ */
+ adj_bfd_notify(BFD_LISTEN_EVENT_DELETE, &bfd_10_10_10_1);
+
+ /*
+ * clean-up
+ */
+ fib_table_entry_delete(0, &pfx_5_5_5_5_s_32, FIB_SOURCE_CLI);
+ adj_unlock(ai_10_10_10_1);
+ adj_unlock(ai_10_10_10_2);
+
+ /*
+ * test no-one left behind
+ */
+ FIB_TEST((n_feis == fib_entry_pool_size()), "Entries gone");
+ FIB_TEST(0 == adj_nbr_db_size(), "All adjacencies removed");
+
+ return (res);
+}
+
+static int
+lfib_test (void)
+{
+ const mpls_label_t deag_label = 50;
+ adj_index_t ai_mpls_10_10_10_1;
+ dpo_id_t dpo = DPO_INVALID;
+ const u32 lfib_index = 0;
+ const u32 fib_index = 0;
+ const dpo_id_t *dpo1;
+ fib_node_index_t lfe;
+ lookup_dpo_t *lkd;
+ int lb_count, res;
+ test_main_t *tm;
+
+ res = 0;
+ tm = &test_main;
+ lb_count = pool_elts(load_balance_pool);
+
+ FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
+ adj_nbr_db_size());
+
+ /*
+ * MPLS enable an interface so we get the MPLS table created
+ */
+ mpls_table_create(MPLS_FIB_DEFAULT_TABLE_ID, FIB_SOURCE_API, NULL);
+ mpls_sw_interface_enable_disable(&mpls_main,
+ tm->hw[0]->sw_if_index,
+ 1, 1);
+
+ ip46_address_t nh_10_10_10_1 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
+ };
+ ai_mpls_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
+ VNET_LINK_MPLS,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index);
+
+ /*
+ * Test the specials stack properly.
+ */
+ fib_prefix_t exp_null_v6_pfx = {
+ .fp_proto = FIB_PROTOCOL_MPLS,
+ .fp_eos = MPLS_EOS,
+ .fp_label = MPLS_IETF_IPV6_EXPLICIT_NULL_LABEL,
+ .fp_payload_proto = DPO_PROTO_IP6,
+ };
+ lfe = fib_table_lookup(lfib_index, &exp_null_v6_pfx);
+ FIB_TEST((FIB_NODE_INDEX_INVALID != lfe),
+ "%U/%U present",
+ format_mpls_unicast_label, MPLS_IETF_IPV6_EXPLICIT_NULL_LABEL,
+ format_mpls_eos_bit, MPLS_EOS);
+ fib_entry_contribute_forwarding(lfe,
+ FIB_FORW_CHAIN_TYPE_MPLS_EOS,
+ &dpo);
+ dpo1 = load_balance_get_bucket(dpo.dpoi_index, 0);
+ lkd = lookup_dpo_get(dpo1->dpoi_index);
+
+ FIB_TEST((fib_index == lkd->lkd_fib_index),
+ "%U/%U is deag in %d %U",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS,
+ lkd->lkd_fib_index,
+ format_dpo_id, &dpo, 0);
+ FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
+ "%U/%U is dst deag",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+ FIB_TEST((LOOKUP_TABLE_FROM_INPUT_INTERFACE == lkd->lkd_table),
+ "%U/%U is lookup in interface's table",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+ FIB_TEST((DPO_PROTO_IP6 == lkd->lkd_proto),
+ "%U/%U is %U dst deag",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS,
+ format_dpo_proto, lkd->lkd_proto);
+
+ /*
+ * A route deag route for EOS
+ */
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_MPLS,
+ .fp_eos = MPLS_EOS,
+ .fp_label = deag_label,
+ .fp_payload_proto = DPO_PROTO_IP4,
+ };
+ mpls_disp_dpo_t *mdd;
+ lfe = fib_table_entry_path_add(lfib_index,
+ &pfx,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ &zero_addr,
+ ~0,
+ fib_index,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ FIB_TEST((lfe == fib_table_lookup(lfib_index, &pfx)),
+ "%U/%U present",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+
+ fib_entry_contribute_forwarding(lfe,
+ FIB_FORW_CHAIN_TYPE_MPLS_EOS,
+ &dpo);
+ dpo1 = load_balance_get_bucket(dpo.dpoi_index, 0);
+ mdd = mpls_disp_dpo_get(dpo1->dpoi_index);
+
+ FIB_TEST((FIB_MPLS_LSP_MODE_PIPE == mdd->mdd_mode),
+ "%U/%U disp is pipe mode",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+
+ lkd = lookup_dpo_get(mdd->mdd_dpo.dpoi_index);
+
+ FIB_TEST((fib_index == lkd->lkd_fib_index),
+ "%U/%U is deag in %d %U",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS,
+ lkd->lkd_fib_index,
+ format_dpo_id, &dpo, 0);
+ FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
+ "%U/%U is dst deag",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+ FIB_TEST((DPO_PROTO_IP4 == lkd->lkd_proto),
+ "%U/%U is %U dst deag",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS,
+ format_dpo_proto, lkd->lkd_proto);
+
+ fib_table_entry_delete_index(lfe, FIB_SOURCE_CLI);
+
+ FIB_TEST((FIB_NODE_INDEX_INVALID == fib_table_lookup(lfib_index,
+ &pfx)),
+ "%U/%U not present",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+ dpo_reset(&dpo);
+
+ /*
+ * A route deag route for EOS with LSP mode uniform
+ */
+ fib_mpls_label_t *l_pops = NULL, l_pop = {
+ .fml_value = MPLS_LABEL_POP,
+ .fml_mode = FIB_MPLS_LSP_MODE_UNIFORM,
+ };
+ vec_add1(l_pops, l_pop);
+ lfe = fib_table_entry_path_add(lfib_index,
+ &pfx,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ &zero_addr,
+ ~0,
+ fib_index,
+ 1,
+ l_pops,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ FIB_TEST((lfe == fib_table_lookup(lfib_index, &pfx)),
+ "%U/%U present",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+
+ fib_entry_contribute_forwarding(lfe,
+ FIB_FORW_CHAIN_TYPE_MPLS_EOS,
+ &dpo);
+ dpo1 = load_balance_get_bucket(dpo.dpoi_index, 0);
+ mdd = mpls_disp_dpo_get(dpo1->dpoi_index);
+
+ FIB_TEST((FIB_MPLS_LSP_MODE_UNIFORM == mdd->mdd_mode),
+ "%U/%U disp is uniform mode",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+
+ lkd = lookup_dpo_get(mdd->mdd_dpo.dpoi_index);
+
+ FIB_TEST((fib_index == lkd->lkd_fib_index),
+ "%U/%U is deag in %d %U",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS,
+ lkd->lkd_fib_index,
+ format_dpo_id, &dpo, 0);
+ FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
+ "%U/%U is dst deag",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+ FIB_TEST((DPO_PROTO_IP4 == lkd->lkd_proto),
+ "%U/%U is %U dst deag",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS,
+ format_dpo_proto, lkd->lkd_proto);
+
+ fib_table_entry_delete_index(lfe, FIB_SOURCE_CLI);
+
+ FIB_TEST((FIB_NODE_INDEX_INVALID == fib_table_lookup(lfib_index,
+ &pfx)),
+ "%U/%U not present",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+ dpo_reset(&dpo);
+
+ /*
+ * A route deag route for non-EOS
+ */
+ pfx.fp_eos = MPLS_NON_EOS;
+ lfe = fib_table_entry_path_add(lfib_index,
+ &pfx,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ &zero_addr,
+ ~0,
+ lfib_index,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ FIB_TEST((lfe == fib_table_lookup(lfib_index, &pfx)),
+ "%U/%U present",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_NON_EOS);
+
+ fib_entry_contribute_forwarding(lfe,
+ FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
+ &dpo);
+ dpo1 = load_balance_get_bucket(dpo.dpoi_index, 0);
+ lkd = lookup_dpo_get(dpo1->dpoi_index);
+
+ FIB_TEST((fib_index == lkd->lkd_fib_index),
+ "%U/%U is deag in %d %U",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_NON_EOS,
+ lkd->lkd_fib_index,
+ format_dpo_id, &dpo, 0);
+ FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
+ "%U/%U is dst deag",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_NON_EOS);
+
+ FIB_TEST((DPO_PROTO_MPLS == lkd->lkd_proto),
+ "%U/%U is %U dst deag",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_NON_EOS,
+ format_dpo_proto, lkd->lkd_proto);
+
+ fib_table_entry_delete_index(lfe, FIB_SOURCE_CLI);
+
+ FIB_TEST((FIB_NODE_INDEX_INVALID == fib_table_lookup(lfib_index,
+ &pfx)),
+ "%U/%U not present",
+ format_mpls_unicast_label, deag_label,
+ format_mpls_eos_bit, MPLS_EOS);
+
+ dpo_reset(&dpo);
+
+ /*
+ * An MPLS x-connect
+ */
+ fib_prefix_t pfx_1200 = {
+ .fp_len = 21,
+ .fp_proto = FIB_PROTOCOL_MPLS,
+ .fp_label = 1200,
+ .fp_eos = MPLS_NON_EOS,
+ };
+ fib_test_lb_bucket_t neos_o_10_10_10_1 = {
+ .type = FT_LB_LABEL_STACK_O_ADJ,
+ .label_stack_o_adj = {
+ .adj = ai_mpls_10_10_10_1,
+ .label_stack_size = 4,
+ .label_stack = {
+ 200, 300, 400, 500,
+ },
+ .eos = MPLS_NON_EOS,
+ },
+ };
+ dpo_id_t neos_1200 = DPO_INVALID;
+ dpo_id_t ip_1200 = DPO_INVALID;
+ fib_mpls_label_t *l200 = NULL;
+ u32 ii;
+ for (ii = 0; ii < 4; ii++)
+ {
+ fib_mpls_label_t fml = {
+ .fml_value = 200 + (ii * 100),
+ };
+ vec_add1(l200, fml);