diff options
Diffstat (limited to 'src/vnet/fib/fib_test.c')
| -rw-r--r-- | src/vnet/fib/fib_test.c | 572 |
1 files changed, 540 insertions, 32 deletions
diff --git a/src/vnet/fib/fib_test.c b/src/vnet/fib/fib_test.c index 06aeda62354..720f54e7039 100644 --- a/src/vnet/fib/fib_test.c +++ b/src/vnet/fib/fib_test.c @@ -604,9 +604,10 @@ fib_test_validate_lb_v (const load_balance_t *lb, bucket, format_dpo_type, dpo->dpoi_type); FIB_TEST_LB((exp->lb.lb == dpo->dpoi_index), - "bucket %d stacks on lb %d", + "bucket %d stacks on lb %d not %d", bucket, - exp->lb.lb); + dpo->dpoi_index, + exp->lb.lb); break; case FT_LB_SPECIAL: FIB_TEST_I((DPO_DROP == dpo->dpoi_type), @@ -1482,19 +1483,20 @@ fib_test_v4 (void) }, }; - fib_table_entry_path_add(fib_index, - &bgp_200_pfx, - FIB_SOURCE_API, - FIB_ENTRY_FLAG_NONE, - FIB_PROTOCOL_IP4, - &pfx_1_1_1_2_s_32.fp_addr, - ~0, // no index provided. - fib_index, // nexthop in same fib as route - 1, - NULL, - FIB_ROUTE_PATH_FLAG_NONE); + fei = fib_table_entry_path_add(fib_index, + &bgp_200_pfx, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + FIB_PROTOCOL_IP4, + &pfx_1_1_1_2_s_32.fp_addr, + ~0, // no index provided. + fib_index, // nexthop in same fib as route + 1, + NULL, + FIB_ROUTE_PATH_FLAG_NONE); - FIB_TEST_REC_FORW(&bgp_200_pfx, &pfx_1_1_1_2_s_32, 0); + FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)), + "Recursive via unresolved is drop"); /* * the adj should be recursive via drop, since the route resolves via @@ -2101,19 +2103,20 @@ fib_test_v4 (void) }, }; - fib_table_entry_path_add(fib_index, - &bgp_201_pfx, - FIB_SOURCE_API, - FIB_ENTRY_FLAG_NONE, - FIB_PROTOCOL_IP4, - &pfx_1_1_1_200_s_32.fp_addr, - ~0, // no index provided. - fib_index, // nexthop in same fib as route - 1, - NULL, - FIB_ROUTE_PATH_FLAG_NONE); + fei = fib_table_entry_path_add(fib_index, + &bgp_201_pfx, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + FIB_PROTOCOL_IP4, + &pfx_1_1_1_200_s_32.fp_addr, + ~0, // no index provided. + fib_index, // nexthop in same fib as route + 1, + NULL, + FIB_ROUTE_PATH_FLAG_NONE); - FIB_TEST_REC_FORW(&bgp_201_pfx, &pfx_1_1_1_200_s_32, 0); + FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)), + "Recursive via unresolved is drop"); fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_200_s_32); FIB_TEST((FIB_ENTRY_FLAG_NONE == fib_entry_get_flags(fei)), @@ -2285,12 +2288,16 @@ fib_test_v4 (void) fei = fib_table_lookup(fib_index, &pfx_1_1_1_2_s_32); FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)), "1.1.1.2/32 route is DROP"); - fei = fib_table_lookup(fib_index, &pfx_1_1_1_200_s_32); + fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_200_s_32); FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)), "1.1.1.200/32 route is DROP"); - FIB_TEST_REC_FORW(&bgp_201_pfx, &pfx_1_1_1_200_s_32, 0); - FIB_TEST_REC_FORW(&bgp_200_pfx, &pfx_1_1_1_2_s_32, 0); + fei = fib_table_lookup_exact_match(fib_index, &bgp_201_pfx); + FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)), + "201 is drop"); + fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx); + FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)), + "200 is drop"); /* * -1 entry @@ -2320,7 +2327,9 @@ fib_test_v4 (void) ai = fib_entry_get_adj(fei); FIB_TEST((ai = ai_01), "1.1.1.2/32 resolves via 10.10.10.1"); - FIB_TEST_REC_FORW(&bgp_201_pfx, &pfx_1_1_1_200_s_32, 0); + fei = fib_table_lookup_exact_match(fib_index, &bgp_201_pfx); + FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)), + "201 is drop"); FIB_TEST_REC_FORW(&bgp_200_pfx, &pfx_1_1_1_2_s_32, 0); /* @@ -2334,6 +2343,33 @@ fib_test_v4 (void) fib_entry_pool_size()); /* + * give 201 a resolved path. + * it now has the unresolved 1.1.1.200 and the resolved 1.1.1.2, + * only the latter contributes forwarding. + */ + fei = fib_table_entry_path_add(fib_index, + &bgp_201_pfx, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + FIB_PROTOCOL_IP4, + &pfx_1_1_1_2_s_32.fp_addr, + ~0, + fib_index, + 1, + NULL, + FIB_ROUTE_PATH_FLAG_NONE); + FIB_TEST_REC_FORW(&bgp_201_pfx, &pfx_1_1_1_2_s_32, 0); + fib_table_entry_path_remove(fib_index, + &bgp_201_pfx, + FIB_SOURCE_API, + FIB_PROTOCOL_IP4, + &pfx_1_1_1_2_s_32.fp_addr, + ~0, + fib_index, + 1, + FIB_ROUTE_PATH_FLAG_NONE); + + /* * remove 200.200.200.201/32 which does not have a valid via FIB */ fib_table_entry_path_remove(fib_index, @@ -3609,6 +3645,17 @@ fib_test_v4 (void) }, }; fei = fib_table_entry_path_add(fib_index, + &pfx_34_34_1_1_s_32, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + FIB_PROTOCOL_IP4, + &nh_10_10_10_1, + tm->hw[0]->sw_if_index, + 0, + 1, + NULL, + FIB_ROUTE_PATH_FLAG_NONE); + fei = fib_table_entry_path_add(fib_index, &pfx_34_1_1_1_s_32, FIB_SOURCE_API, FIB_ENTRY_FLAG_NONE, @@ -3632,6 +3679,9 @@ fib_test_v4 (void) FIB_ROUTE_PATH_FLAG_NONE); FIB_TEST_REC_FORW(&pfx_34_1_1_1_s_32, &pfx_34_34_1_1_s_32, 0); fib_table_entry_delete_index(fei, FIB_SOURCE_API); + fib_table_entry_delete(fib_index, + &pfx_34_34_1_1_s_32, + FIB_SOURCE_API); /* * CLEANUP @@ -5554,6 +5604,459 @@ fib_test_ae (void) return (0); } +/* + * Test Path Preference + */ +static int +fib_test_pref (void) +{ + test_main_t *tm = &test_main; + + const fib_prefix_t pfx_1_1_1_1_s_32 = { + .fp_len = 32, + .fp_proto = FIB_PROTOCOL_IP4, + .fp_addr = { + .ip4 = { + .as_u32 = clib_host_to_net_u32(0x01010101), + }, + }, + }; + + /* + * 2 high, 2 medium and 2 low preference non-recursive paths + */ + fib_route_path_t nr_path_hi_1 = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = tm->hw[0]->sw_if_index, + .frp_fib_index = ~0, + .frp_weight = 1, + .frp_preference = 0, + .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, + .frp_addr = { + .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01), + }, + }; + fib_route_path_t nr_path_hi_2 = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = tm->hw[0]->sw_if_index, + .frp_fib_index = ~0, + .frp_weight = 1, + .frp_preference = 0, + .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, + .frp_addr = { + .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02), + }, + }; + fib_route_path_t nr_path_med_1 = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = tm->hw[1]->sw_if_index, + .frp_fib_index = ~0, + .frp_weight = 1, + .frp_preference = 1, + .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, + .frp_addr = { + .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0c01), + }, + }; + fib_route_path_t nr_path_med_2 = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = tm->hw[1]->sw_if_index, + .frp_fib_index = ~0, + .frp_weight = 1, + .frp_preference = 1, + .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, + .frp_addr = { + .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0c01), + }, + }; + fib_route_path_t nr_path_low_1 = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = tm->hw[2]->sw_if_index, + .frp_fib_index = ~0, + .frp_weight = 1, + .frp_preference = 2, + .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, + .frp_addr = { + .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0b01), + }, + }; + fib_route_path_t nr_path_low_2 = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = tm->hw[2]->sw_if_index, + .frp_fib_index = ~0, + .frp_weight = 1, + .frp_preference = 2, + .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, + .frp_addr = { + .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0b02), + }, + }; + fib_route_path_t *nr_paths = NULL; + + vec_add1(nr_paths, nr_path_hi_1); + vec_add1(nr_paths, nr_path_hi_2); + vec_add1(nr_paths, nr_path_med_1); + vec_add1(nr_paths, nr_path_med_2); + vec_add1(nr_paths, nr_path_low_1); + vec_add1(nr_paths, nr_path_low_2); + + adj_index_t ai_hi_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, + VNET_LINK_IP4, + &nr_path_hi_1.frp_addr, + nr_path_hi_1.frp_sw_if_index); + adj_index_t ai_hi_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, + VNET_LINK_IP4, + &nr_path_hi_2.frp_addr, + nr_path_hi_2.frp_sw_if_index); + adj_index_t ai_med_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, + VNET_LINK_IP4, + &nr_path_med_1.frp_addr, + nr_path_med_1.frp_sw_if_index); + adj_index_t ai_med_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, + VNET_LINK_IP4, + &nr_path_med_2.frp_addr, + nr_path_med_2.frp_sw_if_index); + adj_index_t ai_low_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, + VNET_LINK_IP4, + &nr_path_low_1.frp_addr, + nr_path_low_1.frp_sw_if_index); + adj_index_t ai_low_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, + VNET_LINK_IP4, + &nr_path_low_2.frp_addr, + nr_path_low_2.frp_sw_if_index); + + fib_test_lb_bucket_t ip_hi_1 = { + .type = FT_LB_ADJ, + .adj = { + .adj = ai_hi_1, + }, + }; + fib_test_lb_bucket_t ip_hi_2 = { + .type = FT_LB_ADJ, + .adj = { + .adj = ai_hi_2, + }, + }; + fib_test_lb_bucket_t ip_med_1 = { + .type = FT_LB_ADJ, + .adj = { + .adj = ai_med_1, + }, + }; + fib_test_lb_bucket_t ip_med_2 = { + .type = FT_LB_ADJ, + .adj = { + .adj = ai_med_2, + }, + }; + fib_test_lb_bucket_t ip_low_1 = { + .type = FT_LB_ADJ, + .adj = { + .adj = ai_low_1, + }, + }; + fib_test_lb_bucket_t ip_low_2 = { + .type = FT_LB_ADJ, + .adj = { + .adj = ai_low_2, + }, + }; + + fib_node_index_t fei; + + fei = fib_table_entry_path_add2(0, + &pfx_1_1_1_1_s_32, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + nr_paths); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 2, + &ip_hi_1, + &ip_hi_2), + "1.1.1.1/32 via high preference paths"); + + /* + * bring down the interface on which the high preference path lie + */ + vnet_sw_interface_set_flags(vnet_get_main(), + tm->hw[0]->sw_if_index, + 0); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 2, + &ip_med_1, + &ip_med_2), + "1.1.1.1/32 via medium preference paths"); + + /* + * bring down the interface on which the medium preference path lie + */ + vnet_sw_interface_set_flags(vnet_get_main(), + tm->hw[1]->sw_if_index, + 0); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 2, + &ip_low_1, + &ip_low_2), + "1.1.1.1/32 via low preference paths"); + + /* + * bring up the interface on which the high preference path lie + */ + vnet_sw_interface_set_flags(vnet_get_main(), + tm->hw[0]->sw_if_index, + VNET_SW_INTERFACE_FLAG_ADMIN_UP); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 2, + &ip_hi_1, + &ip_hi_2), + "1.1.1.1/32 via high preference paths"); + + /* + * bring up the interface on which the medium preference path lie + */ + vnet_sw_interface_set_flags(vnet_get_main(), + tm->hw[1]->sw_if_index, + VNET_SW_INTERFACE_FLAG_ADMIN_UP); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 2, + &ip_hi_1, + &ip_hi_2), + "1.1.1.1/32 via high preference paths"); + + dpo_id_t ip_1_1_1_1 = DPO_INVALID; + fib_entry_contribute_forwarding(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + &ip_1_1_1_1); + + /* + * 3 recursive paths of different preference + */ + const fib_prefix_t pfx_1_1_1_2_s_32 = { + .fp_len = 32, + .fp_proto = FIB_PROTOCOL_IP4, + .fp_addr = { + .ip4 = { + .as_u32 = clib_host_to_net_u32(0x01010102), + }, + }, + }; + const fib_prefix_t pfx_1_1_1_3_s_32 = { + .fp_len = 32, + .fp_proto = FIB_PROTOCOL_IP4, + .fp_addr = { + .ip4 = { + .as_u32 = clib_host_to_net_u32(0x01010103), + }, + }, + }; + fei = fib_table_entry_path_add2(0, + &pfx_1_1_1_2_s_32, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + nr_paths); + dpo_id_t ip_1_1_1_2 = DPO_INVALID; + fib_entry_contribute_forwarding(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + &ip_1_1_1_2); + fei = fib_table_entry_path_add2(0, + &pfx_1_1_1_3_s_32, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + nr_paths); + dpo_id_t ip_1_1_1_3 = DPO_INVALID; + fib_entry_contribute_forwarding(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + &ip_1_1_1_3); + + fib_test_lb_bucket_t ip_o_1_1_1_1 = { + .type = FT_LB_O_LB, + .lb = { + .lb = ip_1_1_1_1.dpoi_index, + }, + }; + fib_test_lb_bucket_t ip_o_1_1_1_2 = { + .type = FT_LB_O_LB, + .lb = { + .lb = ip_1_1_1_2.dpoi_index, + }, + }; + fib_test_lb_bucket_t ip_o_1_1_1_3 = { + .type = FT_LB_O_LB, + .lb = { + .lb = ip_1_1_1_3.dpoi_index, + }, + }; + fib_route_path_t r_path_hi = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = ~0, + .frp_fib_index = 0, + .frp_weight = 1, + .frp_preference = 0, + .frp_flags = FIB_ROUTE_PATH_RESOLVE_VIA_HOST, + .frp_addr = pfx_1_1_1_1_s_32.fp_addr, + }; + fib_route_path_t r_path_med = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = ~0, + .frp_fib_index = 0, + .frp_weight = 1, + .frp_preference = 10, + .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, + .frp_addr = pfx_1_1_1_2_s_32.fp_addr, + }; + fib_route_path_t r_path_low = { + .frp_proto = FIB_PROTOCOL_IP4, + .frp_sw_if_index = ~0, + .frp_fib_index = 0, + .frp_weight = 1, + .frp_preference = 1000, + .frp_flags = FIB_ROUTE_PATH_RESOLVE_VIA_HOST, + .frp_addr = pfx_1_1_1_3_s_32.fp_addr, + }; + fib_route_path_t *r_paths = NULL; + + vec_add1(r_paths, r_path_hi); + vec_add1(r_paths, r_path_low); + vec_add1(r_paths, r_path_med); + + /* + * add many recursive so we get the LB MAp created + */ + #define N_PFXS 64 + fib_prefix_t pfx_r[N_PFXS]; + uint32_t n_pfxs; + for (n_pfxs = 0; n_pfxs < N_PFXS; n_pfxs++) + { + pfx_r[n_pfxs].fp_len = 32; + pfx_r[n_pfxs].fp_proto = FIB_PROTOCOL_IP4; + pfx_r[n_pfxs].fp_addr.ip4.as_u32 = + clib_host_to_net_u32(0x02000000 + n_pfxs); + + fei = fib_table_entry_path_add2(0, + &pfx_r[n_pfxs], + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + r_paths); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 1, + &ip_o_1_1_1_1), + "recursive via high preference paths"); + + /* + * withdraw hig pref resolving entry + */ + fib_table_entry_delete(0, + &pfx_1_1_1_1_s_32, + FIB_SOURCE_API); + + /* suspend so the update walk kicks int */ + vlib_process_suspend(vlib_get_main(), 1e-5); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 1, + &ip_o_1_1_1_2), + "recursive via medium preference paths"); + + /* + * withdraw medium pref resolving entry + */ + fib_table_entry_delete(0, + &pfx_1_1_1_2_s_32, + FIB_SOURCE_API); + + /* suspend so the update walk kicks int */ + vlib_process_suspend(vlib_get_main(), 1e-5); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 1, + &ip_o_1_1_1_3), + "recursive via low preference paths"); + + /* + * add back paths for next iteration + */ + fei = fib_table_entry_update(0, + &pfx_1_1_1_2_s_32, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + nr_paths); + fei = fib_table_entry_update(0, + &pfx_1_1_1_1_s_32, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + nr_paths); + + /* suspend so the update walk kicks int */ + vlib_process_suspend(vlib_get_main(), 1e-5); + + fei = fib_table_lookup_exact_match(0, &pfx_r[n_pfxs]); + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 1, + &ip_o_1_1_1_1), + "recursive via high preference paths"); + } + + + fib_table_entry_delete(0, + &pfx_1_1_1_1_s_32, + FIB_SOURCE_API); + + /* suspend so the update walk kicks int */ + vlib_process_suspend(vlib_get_main(), 1e-5); + + for (n_pfxs = 0; n_pfxs < N_PFXS; n_pfxs++) + { + fei = fib_table_lookup_exact_match(0, &pfx_r[n_pfxs]); + + FIB_TEST(fib_test_validate_entry(fei, + FIB_FORW_CHAIN_TYPE_UNICAST_IP4, + 1, + &ip_o_1_1_1_2), + "recursive via medium preference paths"); + } + for (n_pfxs = 0; n_pfxs < N_PFXS; n_pfxs++) + { + fib_table_entry_delete(0, + &pfx_r[n_pfxs], + FIB_SOURCE_API); + } + + /* + * Cleanup + */ + fib_table_entry_delete(0, + &pfx_1_1_1_2_s_32, + FIB_SOURCE_API); + fib_table_entry_delete(0, + &pfx_1_1_1_3_s_32, + FIB_SOURCE_API); + + dpo_reset(&ip_1_1_1_1); + dpo_reset(&ip_1_1_1_2); + dpo_reset(&ip_1_1_1_3); + adj_unlock(ai_low_2); + adj_unlock(ai_low_1); + adj_unlock(ai_med_2); + adj_unlock(ai_med_1); + adj_unlock(ai_hi_2); + adj_unlock(ai_hi_1); + return (0); +} /* * Test the recursive route route handling for GRE tunnels @@ -7996,8 +8499,8 @@ lfib_test (void) FIB_TEST(fib_test_validate_entry(lfe, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 1, - &ip_o_1200), - "2.2.2.2.4/32 LB 1 buckets via: label 1200 EOS"); + &bucket_drop), + "2.2.2.2.4/32 LB 1 buckets via: drop"); lfe = fib_table_lookup(fib_index, &pfx_1200); FIB_TEST(fib_test_validate_entry(lfe, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, @@ -8199,6 +8702,10 @@ fib_test (vlib_main_t * vm, { res += fib_test_ae(); } + else if (unformat (input, "pref")) + { + res += fib_test_pref(); + } else if (unformat (input, "lfib")) { res += lfib_test(); @@ -8217,6 +8724,7 @@ fib_test (vlib_main_t * vm, res += fib_test_v6(); res += fib_test_ae(); res += fib_test_bfd(); + res += fib_test_pref(); res += fib_test_label(); res += lfib_test(); |