/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2017 Intel Corporation */ /* This test is for membership library's simple feature test */ #include #include #include #include #include #include #include #include "test.h" struct rte_member_setsum *setsum_ht; struct rte_member_setsum *setsum_cache; struct rte_member_setsum *setsum_vbf; /* 5-tuple key type */ struct flow_key { uint32_t ip_src; uint32_t ip_dst; uint16_t port_src; uint16_t port_dst; uint8_t proto; } __attribute__((packed)); /* Set ID Macros for multimatch test usage */ #define M_MATCH_S 1 /* Not start with 0 since by default 0 means no match */ #define M_MATCH_E 15 #define M_MATCH_STEP 2 #define M_MATCH_CNT \ (1 + (M_MATCH_E - M_MATCH_S) / M_MATCH_STEP) #define NUM_SAMPLES 5 #define MAX_MATCH 32 /* Keys used by unit test functions */ static struct flow_key keys[NUM_SAMPLES] = { { .ip_src = RTE_IPV4(0x03, 0x02, 0x01, 0x00), .ip_dst = RTE_IPV4(0x07, 0x06, 0x05, 0x04), .port_src = 0x0908, .port_dst = 0x0b0a, .proto = 0x0c, }, { .ip_src = RTE_IPV4(0x13, 0x12, 0x11, 0x10), .ip_dst = RTE_IPV4(0x17, 0x16, 0x15, 0x14), .port_src = 0x1918, .port_dst = 0x1b1a, .proto = 0x1c, }, { .ip_src = RTE_IPV4(0x23, 0x22, 0x21, 0x20), .ip_dst = RTE_IPV4(0x27, 0x26, 0x25, 0x24), .port_src = 0x2928, .port_dst = 0x2b2a, .proto = 0x2c, }, { .ip_src = RTE_IPV4(0x33, 0x32, 0x31, 0x30), .ip_dst = RTE_IPV4(0x37, 0x36, 0x35, 0x34), .port_src = 0x3938, .port_dst = 0x3b3a, .proto = 0x3c, }, { .ip_src = RTE_IPV4(0x43, 0x42, 0x41, 0x40), .ip_dst = RTE_IPV4(0x47, 0x46, 0x45, 0x44), .port_src = 0x4948, .port_dst = 0x4b4a, .proto = 0x4c, } }; uint32_t test_set[NUM_SAMPLES] = {1, 2, 3, 4, 5}; #define ITERATIONS 3 #define KEY_SIZE 4 #define MAX_ENTRIES (1 << 16) uint8_t generated_keys[MAX_ENTRIES][KEY_SIZE]; static struct rte_member_parameters params = { .num_keys = MAX_ENTRIES, /* Total hash table entries. */ .key_len = KEY_SIZE, /* Length of hash key. */ /* num_set and false_positive_rate only relevant to vBF */ .num_set = 16, .false_positive_rate = 0.03, .prim_hash_seed = 1, .sec_hash_seed = 11, .socket_id = 0 /* NUMA Socket ID for memory. */ }; /* * Sequence of operations for find existing setsummary * * - create setsum * - find existing setsum: hit * - find non-existing setsum: miss * */ static int test_member_find_existing(void) { struct rte_member_setsum *tmp_setsum = NULL, *result = NULL; struct rte_member_parameters tmp_params = { .name = "member_find_existing", .num_keys = MAX_ENTRIES, /* Total hash table entries. */ .key_len = KEY_SIZE, /* Length of hash key. */ .type = RTE_MEMBER_TYPE_HT, .num_set = 32, .false_positive_rate = 0.03, .prim_hash_seed = 1, .sec_hash_seed = 11, .socket_id = 0 /* NUMA Socket ID for memory. */ }; /* Create */ tmp_setsum = rte_member_create(&tmp_params); TEST_ASSERT(tmp_setsum != NULL, "setsum creation failed"); /* Try to find existing hash table */ result = rte_member_find_existing("member_find_existing"); TEST_ASSERT(result == tmp_setsum, "could not find existing setsum"); /* Try to find non-existing hash table */ result = rte_member_find_existing("member_find_non_existing"); TEST_ASSERT(result == NULL, "found setsum that shouldn't exist"); /* Cleanup. */ rte_member_free(tmp_setsum); return 0; } /* * Test for bad creating parameters */ static int test_member_create_bad_param(void) { struct rte_member_setsum *bad_setsum = NULL; struct rte_member_parameters bad_params = { .num_keys = MAX_ENTRIES, /* Total hash table entries. */ .key_len = KEY_SIZE, /* Length of hash key. */ .type = RTE_MEMBER_TYPE_HT, .num_set = 32, .false_positive_rate = 0.03, .prim_hash_seed = 1, .sec_hash_seed = 11, .socket_id = 0 /* NUMA Socket ID for memory. */ }; printf("Expected error section begin...\n"); bad_params.name = "bad_param1"; bad_params.num_set = 0; bad_params.type = RTE_MEMBER_TYPE_VBF; /* Test with 0 set for vBF should fail */ bad_setsum = rte_member_create(&bad_params); if (bad_setsum != NULL) { rte_member_free(bad_setsum); printf("Impossible creating setsum successfully with invalid " "number of set for vBF\n"); return -1; } bad_params.name = "bad_param2"; bad_params.false_positive_rate = 0; bad_params.num_set = 32; /* Test with 0 false positive for vBF should fail */ bad_setsum = rte_member_create(&bad_params); if (bad_setsum != NULL) { rte_member_free(bad_setsum); printf("Impossible creating setsum successfully with invalid " "false positive rate for vBF\n"); return -1; } bad_params.name = "bad_param3"; bad_params.false_positive_rate = 0.03; bad_params.num_keys = 0; /* Test with 0 key per BF for vBF should fail */ bad_setsum = rte_member_create(&bad_params); if (bad_setsum != NULL) { rte_member_free(bad_setsum); printf("Impossible creating setsum successfully with invalid " "num_keys for vBF\n"); return -1; } bad_params.name = "bad_param4"; bad_params.type = RTE_MEMBER_TYPE_HT; bad_params.num_keys = RTE_MEMBER_BUCKET_ENTRIES / 2; /* Test with less than 1 bucket for HTSS should fail */ bad_setsum = rte_member_create(&bad_params); if (bad_setsum != NULL) { rte_member_free(bad_setsum); printf("Impossible creating setsum successfully with too few " "number of keys(entries) for HT\n"); return -1; } bad_params.name = "bad_param5"; bad_params.num_keys = RTE_MEMBER_ENTRIES_MAX + 1; /* Test with more than maximum entries for HTSS should fail */ bad_setsum = rte_member_create(&bad_params); if (bad_setsum != NULL) { rte_member_free(bad_setsum); printf("Impossible creating setsum successfully with to many " "number of keys(entries) for HT\n"); return -1; } bad_params.name = "bad_param5"; /* Test with same name should fail */ bad_setsum = rte_member_create(&bad_params); if (bad_setsum != NULL) { rte_member_free(bad_setsum); printf("Impossible creating setsum successfully with existed " "name\n"); return -1; } printf("Expected error section end...\n"); rte_member_free(bad_setsum); return 0; } /* Create test setsummaries. */ static int test_member_create(void) { params.key_len = sizeof(struct flow_key); params.name = "test_member_ht"; params.is_cache = 0; params.type = RTE_MEMBER_TYPE_HT; setsum_ht = rte_member_create(¶ms); params.name = "test_member_cache"; params.is_cache = 1; setsum_cache = rte_member_create(¶ms); params.name = "test_member_vbf"; params.type = RTE_MEMBER_TYPE_VBF; setsum_vbf = rte_member_create(¶ms); if (setsum_ht == NULL || setsum_cache == NULL || setsum_vbf == NULL) { printf("Creation of setsums fail\n"); return -1; } printf("Creation of setsums success\n"); return 0; } static int test_member_insert(void) { int ret_ht, ret_cache, ret_vbf, i; for (i = 0; i < NUM_SAMPLES; i++) { ret_ht = rte_member_add(setsum_ht, &keys[i], test_set[i]); ret_cache = rte_member_add(setsum_cache, &keys[i], test_set[i]); ret_vbf = rte_member_add(setsum_vbf, &keys[i], test_set[i]); TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0 && ret_vbf >= 0, "insert error"); } printf("insert key success\n"); return 0; } static int test_member_lookup(void) { int ret_ht, ret_cache, ret_vbf, i; uint16_t set_ht, set_cache, set_vbf; member_set_t set_ids_ht[NUM_SAMPLES] = {0}; member_set_t set_ids_cache[NUM_SAMPLES] = {0}; member_set_t set_ids_vbf[NUM_SAMPLES] = {0}; uint32_t num_key_ht = NUM_SAMPLES; uint32_t num_key_cache = NUM_SAMPLES; uint32_t num_key_vbf = NUM_SAMPLES; const void *key_array[NUM_SAMPLES]; /* Single lookup test */ for (i = 0; i < NUM_SAMPLES; i++) { ret_ht = rte_member_lookup(setsum_ht, &keys[i], &set_ht); ret_cache = rte_member_lookup(setsum_cache, &keys[i], &set_cache); ret_vbf = rte_member_lookup(setsum_vbf, &keys[i], &set_vbf); TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0 && ret_vbf >= 0, "single lookup function error"); TEST_ASSERT(set_ht == test_set[i] && set_cache == test_set[i] && set_vbf == test_set[i], "single lookup set value error"); } printf("lookup single key success\n"); /* Bulk lookup test */ for (i = 0; i < NUM_SAMPLES; i++) key_array[i] = &keys[i]; ret_ht = rte_member_lookup_bulk(setsum_ht, key_array, num_key_ht, set_ids_ht); ret_cache = rte_member_lookup_bulk(setsum_cache, key_array, num_key_cache, set_ids_cache); ret_vbf = rte_member_lookup_bulk(setsum_vbf, key_array, num_key_vbf, set_ids_vbf); TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0 && ret_vbf >= 0, "bulk lookup function error"); for (i = 0; i < NUM_SAMPLES; i++) { TEST_ASSERT((set_ids_ht[i] == test_set[i]) && (set_ids_cache[i] == test_set[i]) && (set_ids_vbf[i] == test_set[i]), "bulk lookup result error"); } return 0; } static int test_member_delete(void) { int ret_ht, ret_cache, ret_vbf, i; uint16_t set_ht, set_cache, set_vbf; const void *key_array[NUM_SAMPLES]; member_set_t set_ids_ht[NUM_SAMPLES] = {0}; member_set_t set_ids_cache[NUM_SAMPLES] = {0}; member_set_t set_ids_vbf[NUM_SAMPLES] = {0}; uint32_t num_key_ht = NUM_SAMPLES; uint32_t num_key_cache = NUM_SAMPLES; uint32_t num_key_vbf = NUM_SAMPLES; /* Delete part of all inserted keys */ for (i = 0; i < NUM_SAMPLES / 2; i++) { ret_ht = rte_member_delete(setsum_ht, &keys[i], test_set[i]); ret_cache = rte_member_delete(setsum_cache, &keys[i], test_set[i]); ret_vbf = rte_member_delete(setsum_vbf, &keys[i], test_set[i]); /* VBF does not support delete yet, so return error code */ TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0, "key deletion function error"); TEST_ASSERT(ret_vbf < 0, "vbf does not support deletion, error"); } for (i = 0; i < NUM_SAMPLES; i++) key_array[i] = &keys[i]; ret_ht = rte_member_lookup_bulk(setsum_ht, key_array, num_key_ht, set_ids_ht); ret_cache = rte_member_lookup_bulk(setsum_cache, key_array, num_key_cache, set_ids_cache); ret_vbf = rte_member_lookup_bulk(setsum_vbf, key_array, num_key_vbf, set_ids_vbf); TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0 && ret_vbf >= 0, "bulk lookup function error"); for (i = 0; i < NUM_SAMPLES / 2; i++) { TEST_ASSERT((set_ids_ht[i] == RTE_MEMBER_NO_MATCH) && (set_ids_cache[i] == RTE_MEMBER_NO_MATCH), "bulk lookup result error"); } for (i = NUM_SAMPLES / 2; i < NUM_SAMPLES; i++) { TEST_ASSERT((set_ids_ht[i] == test_set[i]) && (set_ids_cache[i] == test_set[i]) && (set_ids_vbf[i] == test_set[i]), "bulk lookup result error"); } /* Delete the left of inserted keys */ for (i = NUM_SAMPLES / 2; i < NUM_SAMPLES; i++) { ret_ht = rte_member_delete(setsum_ht, &keys[i], test_set[i]); ret_cache = rte_member_delete(setsum_cache, &keys[i], test_set[i]); ret_vbf = rte_member_delete(setsum_vbf, &keys[i], test_set[i]); /* VBF does not support delete yet, so return error code */ TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0, "key deletion function error"); TEST_ASSERT(ret_vbf < 0, "vbf does not support deletion, error"); } for (i = 0; i < NUM_SAMPLES; i++) { ret_ht = rte_member_lookup(setsum_ht, &keys[i], &set_ht); ret_cache = rte_member_lookup(setsum_cache, &keys[i], &set_cache); ret_vbf = rte_member_lookup(setsum_vbf, &keys[i], &set_vbf); TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0, "key lookup function error"); TEST_ASSERT(set_ht == RTE_MEMBER_NO_MATCH && ret_cache == RTE_MEMBER_NO_MATCH, "key deletion failed"); } /* Reset vbf for other following tests */ rte_member_reset(setsum_vbf); printf("delete success\n"); return 0; } static int test_member_multimatch(void) { int ret_ht, ret_vbf, ret_cache; member_set_t set_ids_ht[MAX_MATCH] = {0}; member_set_t set_ids_vbf[MAX_MATCH] = {0}; member_set_t set_ids_cache[MAX_MATCH] = {0}; member_set_t set_ids_ht_m[NUM_SAMPLES][MAX_MATCH] = {{0} }; member_set_t set_ids_vbf_m[NUM_SAMPLES][MAX_MATCH] = {{0} }; member_set_t set_ids_cache_m[NUM_SAMPLES][MAX_MATCH] = {{0} }; uint32_t match_count_ht[NUM_SAMPLES]; uint32_t match_count_vbf[NUM_SAMPLES]; uint32_t match_count_cache[NUM_SAMPLES]; uint32_t num_key_ht = NUM_SAMPLES; uint32_t num_key_vbf = NUM_SAMPLES; uint32_t num_key_cache = NUM_SAMPLES; const void *key_array[NUM_SAMPLES]; uint32_t i, j; /* Same key at most inserted 2*entry_per_bucket times for HT mode */ for (i = M_MATCH_S; i <= M_MATCH_E; i += M_MATCH_STEP) { for (j = 0; j < NUM_SAMPLES; j++) { ret_ht = rte_member_add(setsum_ht, &keys[j], i); ret_vbf = rte_member_add(setsum_vbf, &keys[j], i); ret_cache = rte_member_add(setsum_cache, &keys[j], i); TEST_ASSERT(ret_ht >= 0 && ret_vbf >= 0 && ret_cache >= 0, "insert function error"); } } /* Single multimatch test */ for (i = 0; i < NUM_SAMPLES; i++) { ret_vbf = rte_member_lookup_multi(setsum_vbf, &keys[i], MAX_MATCH, set_ids_vbf); ret_ht = rte_member_lookup_multi(setsum_ht, &keys[i], MAX_MATCH, set_ids_ht); ret_cache = rte_member_lookup_multi(setsum_cache, &keys[i], MAX_MATCH, set_ids_cache); /* * For cache mode, keys overwrite when signature same. * the mutimatch should work like single match. */ TEST_ASSERT(ret_ht == M_MATCH_CNT && ret_vbf == M_MATCH_CNT && ret_cache == 1, "single lookup_multi error"); TEST_ASSERT(set_ids_cache[0] == M_MATCH_E, "single lookup_multi cache error"); for (j = 1; j <= M_MATCH_CNT; j++) { TEST_ASSERT(set_ids_ht[j-1] == j * M_MATCH_STEP - 1 && set_ids_vbf[j-1] == j * M_MATCH_STEP - 1, "single multimatch lookup error"); } } printf("lookup single key for multimatch success\n"); /* Bulk multimatch test */ for (i = 0; i < NUM_SAMPLES; i++) key_array[i] = &keys[i]; ret_vbf = rte_member_lookup_multi_bulk(setsum_vbf, &key_array[0], num_key_ht, MAX_MATCH, match_count_vbf, (member_set_t *)set_ids_vbf_m); ret_ht = rte_member_lookup_multi_bulk(setsum_ht, &key_array[0], num_key_vbf, MAX_MATCH, match_count_ht, (member_set_t *)set_ids_ht_m); ret_cache = rte_member_lookup_multi_bulk(setsum_cache, &key_array[0], num_key_cache, MAX_MATCH, match_count_cache, (member_set_t *)set_ids_cache_m); for (j = 0; j < NUM_SAMPLES; j++) { TEST_ASSERT(match_count_ht[j] == M_MATCH_CNT, "bulk multimatch lookup HT match count error"); TEST_ASSERT(match_count_vbf[j] == M_MATCH_CNT, "bulk multimatch lookup vBF match count error"); TEST_ASSERT(match_count_cache[j] == 1, "bulk multimatch lookup CACHE match count error"); TEST_ASSERT(set_ids_cache_m[j][0] == M_MATCH_E, "bulk multimatch lookup CACHE set value error"); for (i = 1; i <= M_MATCH_CNT; i++) { TEST_ASSERT(set_ids_ht_m[j][i-1] == i * M_MATCH_STEP - 1, "bulk multimatch lookup HT set value error"); TEST_ASSERT(set_ids_vbf_m[j][i-1] == i * M_MATCH_STEP - 1, "bulk multimatch lookup vBF set value error"); } } printf("lookup for bulk multimatch success\n"); return 0; } static int key_compare(const void *key1, const void *key2) { return memcmp(key1, key2, KEY_SIZE); } static void setup_keys_and_data(void) { unsigned int i, j; int num_duplicates; /* Reset all arrays */ for (i = 0; i < KEY_SIZE; i++) generated_keys[0][i] = 0; /* Generate a list of keys, some of which may be duplicates */ for (i = 0; i < MAX_ENTRIES; i++) { for (j = 0; j < KEY_SIZE; j++) generated_keys[i][j] = rte_rand() & 0xFF; } /* Remove duplicates from the keys array */ do { num_duplicates = 0; /* Sort the list of keys to make it easier to find duplicates */ qsort(generated_keys, MAX_ENTRIES, KEY_SIZE, key_compare); /* Sift through the list of keys and look for duplicates */ int num_duplicates = 0; for (i = 0; i < MAX_ENTRIES - 1; i++) { if (memcmp(generated_keys[i], generated_keys[i + 1], KEY_SIZE) == 0) { /* This key already exists, try again */ num_duplicates++; for (j = 0; j < KEY_SIZE; j++) generated_keys[i][j] = rte_rand() & 0xFF; } } } while (num_duplicates != 0); } static inline int add_generated_keys(struct rte_member_setsum *setsum, unsigned int *added_keys) { int ret = 0; for (*added_keys = 0; ret >= 0 && *added_keys < MAX_ENTRIES; (*added_keys)++) { uint16_t set = (rte_rand() & 0xf) + 1; ret = rte_member_add(setsum, &generated_keys[*added_keys], set); } return ret; } static inline int add_generated_keys_cache(struct rte_member_setsum *setsum, unsigned int *added_keys) { int ret = 0; for (*added_keys = 0; ret == 0 && *added_keys < MAX_ENTRIES; (*added_keys)++) { uint16_t set = (rte_rand() & 0xf) + 1; ret = rte_member_add(setsum, &generated_keys[*added_keys], set); } return ret; } static int test_member_loadfactor(void) { unsigned int j; unsigned int added_keys, average_keys_added = 0; int ret; setup_keys_and_data(); rte_member_free(setsum_ht); rte_member_free(setsum_cache); rte_member_free(setsum_vbf); params.key_len = KEY_SIZE; params.name = "test_member_ht"; params.is_cache = 0; params.type = RTE_MEMBER_TYPE_HT; setsum_ht = rte_member_create(¶ms); params.name = "test_member_cache"; params.is_cache = 1; setsum_cache = rte_member_create(¶ms); if (setsum_ht == NULL || setsum_cache == NULL) { printf("Creation of setsums fail\n"); return -1; } /* Test HT non-cache mode */ for (j = 0; j < ITERATIONS; j++) { /* Add random entries until key cannot be added */ ret = add_generated_keys(setsum_ht, &added_keys); if (ret != -ENOSPC) { printf("Unexpected error when adding keys\n"); return -1; } average_keys_added += added_keys; /* Reset the table */ rte_member_reset(setsum_ht); /* Print a dot to show progress on operations */ printf("."); fflush(stdout); } average_keys_added /= ITERATIONS; printf("\nKeys inserted when no space(non-cache) = %.2f%% (%u/%u)\n", ((double) average_keys_added / params.num_keys * 100), average_keys_added, params.num_keys); /* Test cache mode */ added_keys = average_keys_added = 0; for (j = 0; j < ITERATIONS; j++) { /* Add random entries until key cannot be added */ ret = add_generated_keys_cache(setsum_cache, &added_keys); if (ret != 1) { printf("Unexpected error when adding keys\n"); return -1; } average_keys_added += added_keys; /* Reset the table */ rte_member_reset(setsum_cache); /* Print a dot to show progress on operations */ printf("."); fflush(stdout); } average_keys_added /= ITERATIONS; printf("\nKeys inserted when eviction happens(cache)= %.2f%% (%u/%u)\n", ((double) average_keys_added / params.num_keys * 100), average_keys_added, params.num_keys); return 0; } static void perform_free(void) { rte_member_free(setsum_ht); rte_member_free(setsum_cache); rte_member_free(setsum_vbf); } static int test_member(void) { if (test_member_create_bad_param() < 0) return -1; if (test_member_find_existing() < 0) return -1; if (test_member_create() < 0) { perform_free(); return -1; } if (test_member_insert() < 0) { perform_free(); return -1; } if (test_member_lookup() < 0) { perform_free(); return -1; } if (test_member_delete() < 0) { perform_free(); return -1; } if (test_member_multimatch() < 0) { perform_free(); return -1; } if (test_member_loadfactor() < 0) { rte_member_free(setsum_ht); rte_member_free(setsum_cache); return -1; } perform_free(); return 0; } REGISTER_TEST_COMMAND(member_autotest, test_member);