diff options
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/unittest/fib_test.c | 123 |
1 files changed, 79 insertions, 44 deletions
diff --git a/src/plugins/unittest/fib_test.c b/src/plugins/unittest/fib_test.c index d417d5ff6ea..fbac809d726 100644 --- a/src/plugins/unittest/fib_test.c +++ b/src/plugins/unittest/fib_test.c @@ -781,6 +781,69 @@ fib_test_validate_entry (fib_node_index_t fei, } static int +fib_test_multipath_v4 (const test_main_t *tm, const u32 fib_index, + const fib_prefix_t *pfx, const int n_paths, + const int expected_n_buckets) +{ + const int path_list_pool_size = fib_path_list_pool_size(); + const int path_list_db_size = fib_path_list_db_size(); + const int entry_pool_size = fib_entry_pool_size(); + fib_route_path_t *r_paths = NULL; + const load_balance_t *lb; + const dpo_id_t *dpo; + u32 fei; + int res = 0; + int i; + + for (i = 0; i < n_paths; i++) + { + fib_route_path_t r_path = { + .frp_proto = DPO_PROTO_IP4, + .frp_addr = { + .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02 + i), + }, + .frp_sw_if_index = tm->hw[0]->sw_if_index, + .frp_weight = 1, + .frp_fib_index = ~0, + .frp_flags = FIB_ROUTE_PATH_ATTACHED, + }; + vec_add1(r_paths, r_path); + } + + fib_table_entry_update(fib_index, + pfx, + FIB_SOURCE_API, + FIB_ENTRY_FLAG_NONE, + r_paths); + + fei = fib_table_lookup_exact_match(fib_index, pfx); + FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "prefix present"); + dpo = fib_entry_contribute_ip_forwarding(fei); + + lb = load_balance_get(dpo->dpoi_index); + FIB_TEST((lb->lb_n_buckets == expected_n_buckets), + "prefix lb over %d paths", lb->lb_n_buckets); + + fib_table_entry_delete(fib_index, + pfx, + FIB_SOURCE_API); + FIB_TEST(FIB_NODE_INDEX_INVALID == + fib_table_lookup_exact_match(fib_index, pfx), "prefix removed"); + vec_free(r_paths); + + /* + * add-remove test. no change. + */ + FIB_TEST((path_list_db_size == fib_path_list_db_size()), + "path list DB population:%d", fib_path_list_db_size()); + FIB_TEST((path_list_pool_size == fib_path_list_pool_size()), + "path list pool size is %d", fib_path_list_pool_size()); + FIB_TEST((entry_pool_size == fib_entry_pool_size()), + "entry pool size is %d", fib_entry_pool_size()); + return res; +} + +static int fib_test_v4 (void) { /* @@ -3614,52 +3677,26 @@ fib_test_v4 (void) /* * A route with multiple paths at once */ - fib_route_path_t *r_paths = NULL; + FIB_TEST(0 == + fib_test_multipath_v4(tm, fib_index, &pfx_4_4_4_4_s_32, 4, 4), + "multipath with 4 nexthops"); - for (ii = 0; ii < 4; ii++) - { - fib_route_path_t r_path = { - .frp_proto = DPO_PROTO_IP4, - .frp_addr = { - .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02 + ii), - }, - .frp_sw_if_index = tm->hw[0]->sw_if_index, - .frp_weight = 1, - .frp_fib_index = ~0, - }; - vec_add1(r_paths, r_path); - } - - fib_table_entry_update(fib_index, - &pfx_4_4_4_4_s_32, - FIB_SOURCE_API, - FIB_ENTRY_FLAG_NONE, - r_paths); - - fei = fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32); - FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "4.4.4.4/32 present"); - dpo = fib_entry_contribute_ip_forwarding(fei); - - lb = load_balance_get(dpo->dpoi_index); - FIB_TEST((lb->lb_n_buckets == 4), "4.4.4.4/32 lb over %d paths", lb->lb_n_buckets); - - fib_table_entry_delete(fib_index, - &pfx_4_4_4_4_s_32, - FIB_SOURCE_API); - FIB_TEST(FIB_NODE_INDEX_INVALID == - fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32), - "4.4.4.4/32 removed"); - vec_free(r_paths); + /* + * A route with lots of multiple paths that will overflow max supported + * lb buckets because of normalization + */ + FIB_TEST(0 == + fib_test_multipath_v4(tm, fib_index, &pfx_4_4_4_4_s_32, + LB_MAX_BUCKETS / 2 + 23, LB_MAX_BUCKETS), + "multipath with too many nexthops"); /* - * add-remove test. no change. + * A route with more paths than max supported lb buckets */ - FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d", - fib_path_list_db_size()); - FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d", - fib_path_list_pool_size()); - FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d", - fib_entry_pool_size()); + FIB_TEST(0 == + fib_test_multipath_v4 (tm, fib_index, &pfx_4_4_4_4_s_32, + LB_MAX_BUCKETS + 13, LB_MAX_BUCKETS), + "multipath with too many nexthops"); /* * A route deag route @@ -3698,7 +3735,6 @@ fib_test_v4 (void) FIB_TEST(FIB_NODE_INDEX_INVALID == fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32), "4.4.4.4/32 removed"); - vec_free(r_paths); /* * A route deag route in a source lookup table @@ -3737,7 +3773,6 @@ fib_test_v4 (void) FIB_TEST(FIB_NODE_INDEX_INVALID == fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32), "4.4.4.4/32 removed"); - vec_free(r_paths); /* * add-remove test. no change. |