/* * SPDX-License-Identifier: Apache-2.0 * Copyright(c) 2021 Cisco Systems, Inc. */ #include <vlib/vlib.h> #include <vppinfra/time.h> #include <vppinfra/cache.h> #include <vppinfra/error.h> #include <vnet/hash/hash.h> #include <vnet/ethernet/ethernet.h> #define HASH_TEST_DATA_SIZE 2048 typedef struct _hash_test_data { const char *name; const char *description; u8 *data; u32 data_size; vnet_hash_fn_type_t ftype; struct _hash_test_data *next; } hash_test_data_t; typedef struct { int verbose; char *hash_name; u32 warmup_rounds; u32 rounds; u32 n_buffers; hash_test_data_t *hash_test_data; } hash_test_main_t; hash_test_main_t hash_test_main; #define HASH_TEST_REGISTER_DATA(x, ...) \ __VA_ARGS__ hash_test_data_t __hash_test_data_##x; \ static void __clib_constructor __hash_test_data_fn_##x (void) \ { \ hash_test_main_t *htm = &hash_test_main; \ __hash_test_data_##x.next = htm->hash_test_data; \ htm->hash_test_data = &__hash_test_data_##x; \ } \ __VA_ARGS__ hash_test_data_t __hash_test_data_##x // qinq u8 eth_qinq_ipv4_tcp_data[72] = { 0x02, 0xfe, 0x39, 0xe5, 0x09, 0x8f, 0x02, 0xfe, 0x2d, 0x18, 0x63, 0x18, 0x88, 0xa8, 0x03, 0xe8, 0x81, 0x00, 0x03, 0xe8, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc, 0xdb, 0x42, 0x40, 0x00, 0x40, 0x06, 0xc4, 0x85, 0xc0, 0xa8, 0x0a, 0x02, 0xc0, 0xa8, 0x0a, 0x01, 0xd8, 0xde, 0x14, 0x51, 0x34, 0x93, 0xa8, 0x1b, 0x7b, 0xef, 0x2e, 0x7e, 0x80, 0x10, 0x00, 0xe5, 0xc7, 0x03, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xce, 0xaa, 0x00, 0x2f, 0xf2, 0xc3 }; HASH_TEST_REGISTER_DATA (eth_qinq_ipv4_tcp, static) = { .name = "eth-qinq-ipv4-tcp", .description = "Ethernet QinQ IPv4 TCP", .data = eth_qinq_ipv4_tcp_data, .data_size = sizeof (eth_qinq_ipv4_tcp_data), .ftype = VNET_HASH_FN_TYPE_ETHERNET, }; // vlan u8 eth_vlan_ipv4_tcp_data[68] = { 0x02, 0xfe, 0x39, 0xe5, 0x09, 0x8f, 0x02, 0xfe, 0x2d, 0x18, 0x63, 0x18, 0x81, 0x00, 0x03, 0xe8, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc, 0xdb, 0x42, 0x40, 0x00, 0x40, 0x06, 0xc4, 0x85, 0xc0, 0xa8, 0x0a, 0x02, 0xc0, 0xa8, 0x0a, 0x01, 0xd8, 0xde, 0x14, 0x51, 0x34, 0x93, 0xa8, 0x1b, 0x7b, 0xef, 0x2e, 0x7e, 0x80, 0x10, 0x00, 0xe5, 0xc7, 0x03, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xce, 0xaa, 0x00, 0x2f, 0xf2, 0xc3 }; HASH_TEST_REGISTER_DATA (eth_vlan_ipv4_tcp, static) = { .name = "eth-vlan-ipv4-tcp", .description = "Ethernet Vlan IPv4 TCP", .data = eth_vlan_ipv4_tcp_data, .data_size = sizeof (eth_vlan_ipv4_tcp_data), .ftype = VNET_HASH_FN_TYPE_ETHERNET, }; // ethernet u8 eth_ipv4_tcp_data[64] = { 0x02, 0xfe, 0x39, 0xe5, 0x09, 0x8f, 0x02, 0xfe, 0x2d, 0x18, 0x63, 0x18, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc, 0xdb, 0x42, 0x40, 0x00, 0x40, 0x06, 0xc4, 0x85, 0xc0, 0xa8, 0x0a, 0x02, 0xc0, 0xa8, 0x0a, 0x01, 0xd8, 0xde, 0x14, 0x51, 0x34, 0x93, 0xa8, 0x1b, 0x7b, 0xef, 0x2e, 0x7e, 0x80, 0x10, 0x00, 0xe5, 0xc7, 0x03, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xce, 0xaa, 0x00, 0x2f, 0xf2, 0xc3 }; HASH_TEST_REGISTER_DATA (eth_ipv4_tcp, static) = { .name = "eth-ipv4-tcp", .description = "Ethernet IPv4 TCP", .data = eth_ipv4_tcp_data, .data_size = sizeof (eth_ipv4_tcp_data), .ftype = VNET_HASH_FN_TYPE_ETHERNET, }; // udp u8 eth_ipv4_udp_data[42] = { 0x62, 0x36, 0xbe, 0xff, 0x91, 0x20, 0x5e, 0x2c, 0xaf, 0x2e, 0x1e, 0x51, 0x08, 0x00, 0x45, 0x00, 0x05, 0xc4, 0x9d, 0xc3, 0x40, 0x00, 0x33, 0x11, 0x49, 0x61, 0x3e, 0xd2, 0x12, 0x28, 0x0a, 0x09, 0x00, 0x02, 0x14, 0x58, 0xc0, 0xd8, 0x05, 0xb0, 0x75, 0xbd }; HASH_TEST_REGISTER_DATA (eth_ipv4_udp, static) = { .name = "eth-ipv4-udp", .description = "Ethernet IPv4 UDP", .data = eth_ipv4_udp_data, .data_size = sizeof (eth_ipv4_udp_data), .ftype = VNET_HASH_FN_TYPE_ETHERNET, }; // ipv4 u8 ipv4_tcp_data[50] = { 0x45, 0x00, 0x05, 0xdc, 0xdb, 0x42, 0x40, 0x00, 0x40, 0x06, 0xc4, 0x85, 0xc0, 0xa8, 0x0a, 0x02, 0xc0, 0xa8, 0x0a, 0x01, 0xd8, 0xde, 0x14, 0x51, 0x34, 0x93, 0xa8, 0x1b, 0x7b, 0xef, 0x2e, 0x7e, 0x80, 0x10, 0x00, 0xe5, 0xc7, 0x03, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xce, 0xaa, 0x00, 0x2f, 0xf2, 0xc3 }; HASH_TEST_REGISTER_DATA (ipv4_tcp, static) = { .name = "ipv4-tcp", .description = "IPv4 TCP", .data = ipv4_tcp_data, .data_size = sizeof (ipv4_tcp_data), .ftype = VNET_HASH_FN_TYPE_IP, }; u8 ipv4_icmp_data[84] = { 0x45, 0x00, 0x00, 0x54, 0xb7, 0xe6, 0x40, 0x00, 0x40, 0x01, 0xed, 0x6e, 0xc0, 0xa8, 0x0a, 0x01, 0xc0, 0xa8, 0x0a, 0x02, 0x08, 0x00, 0xc7, 0x84, 0x00, 0x16, 0x00, 0x92, 0xfd, 0xdb, 0xd9, 0x60, 0x00, 0x00, 0x00, 0x00, 0x91, 0xc3, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 }; HASH_TEST_REGISTER_DATA (ipv4_icmp, static) = { .name = "ipv4-icmp", .description = "IPv4 ICMP", .data = ipv4_icmp_data, .data_size = sizeof (ipv4_icmp_data), .ftype = VNET_HASH_FN_TYPE_IP, }; // ip6 u8 ipv6_icmp6_data[104] = { 0x60, 0x0d, 0xf4, 0x97, 0x00, 0x40, 0x3a, 0x40, 0xfd, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0xfd, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x01, 0x80, 0x00, 0x10, 0x84, 0xb1, 0x25, 0x00, 0x01, 0x22, 0x57, 0xf0, 0x60, 0x00, 0x00, 0x00, 0x00, 0xcb, 0x4a, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 }; HASH_TEST_REGISTER_DATA (ipv6_icmp6, static) = { .name = "ipv6-icmp6", .description = "IPv6 ICMP6", .data = ipv6_icmp6_data, .data_size = sizeof (ipv6_icmp6_data), .ftype = VNET_HASH_FN_TYPE_IP, }; void fill_buffers (vlib_main_t *vm, u32 *buffer_indices, u8 *data, u32 data_size, u32 n_buffers) { int i, j; u64 seed = clib_cpu_time_now (); for (i = 0; i < n_buffers; i++) { vlib_buffer_t *b = vlib_get_buffer (vm, buffer_indices[i]); clib_memcpy_fast (b->data, data, data_size); b->current_data = 0; for (j = data_size; j < HASH_TEST_DATA_SIZE; j += 8) *(u64 *) (b->data + j) = 1 + random_u64 (&seed); b->current_length = HASH_TEST_DATA_SIZE; } } static clib_error_t * test_hash_perf (vlib_main_t *vm, hash_test_main_t *htm) { clib_error_t *err = 0; u32 n_buffers, n_alloc = 0, warmup_rounds, rounds; u32 *buffer_indices = 0; u64 t0[5], t1[5]; vnet_hash_fn_t hf; hash_test_data_t *hash_test_data = htm->hash_test_data; void **p = 0; int i, j; rounds = htm->rounds ? htm->rounds : 100; n_buffers = htm->n_buffers ? htm->n_buffers : 256; warmup_rounds = htm->warmup_rounds ? htm->warmup_rounds : 100; vec_validate_aligned (p, n_buffers - 1, CLIB_CACHE_LINE_BYTES); vec_validate_aligned (buffer_indices, n_buffers - 1, CLIB_CACHE_LINE_BYTES); n_alloc = vlib_buffer_alloc (vm, buffer_indices, n_buffers); if (n_alloc != n_buffers) { err = clib_error_return (0, "buffer alloc failure"); goto done; } vlib_cli_output (vm, "%s: n_buffers %u rounds %u " "warmup-rounds %u", htm->hash_name, n_buffers, rounds, warmup_rounds); vlib_cli_output (vm, " cpu-freq %.2f GHz", (f64) vm->clib_time.clocks_per_second * 1e-9); while (hash_test_data) { fill_buffers (vm, buffer_indices, hash_test_data->data, hash_test_data->data_size, n_buffers); for (i = 0; i < n_buffers; i++) { vlib_buffer_t *b = vlib_get_buffer (vm, buffer_indices[i]); p[i] = vlib_buffer_get_current (b); } hf = vnet_hash_function_from_name (htm->hash_name, hash_test_data->ftype); if (!hf) { err = clib_error_return (0, "wrong hash name"); goto done; } for (i = 0; i < 5; i++) { u32 h[n_buffers]; for (j = 0; j < warmup_rounds; j++) { hf (p, h, n_buffers); } t0[i] = clib_cpu_time_now (); for (j = 0; j < rounds; j++) hf (p, h, n_buffers); t1[i] = clib_cpu_time_now (); } vlib_cli_output ( vm, "==========================================================="); vlib_cli_output (vm, " Test: %s", hash_test_data->description); vlib_cli_output ( vm, "==========================================================="); for (i = 0; i < 5; i++) { f64 tpp1 = (f64) (t1[i] - t0[i]) / (n_buffers * rounds); f64 Mpps1 = vm->clib_time.clocks_per_second * 1e-6 / tpp1; vlib_cli_output (vm, "%-2u: %.03f ticks/packet, %.02f Mpps\n", i + 1, tpp1, Mpps1); } hash_test_data = hash_test_data->next; } done: if (n_alloc) vlib_buffer_free (vm, buffer_indices, n_alloc); vec_free (p); vec_free (buffer_indices); return err; } static clib_error_t * test_hash_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd) { hash_test_main_t *tm = &hash_test_main; clib_error_t *err = 0; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "verbose")) tm->verbose = 1; else if (unformat (input, "detail")) tm->verbose = 2; else if (unformat (input, "perf %s", &tm->hash_name)) ; else if (unformat (input, "buffers %u", &tm->n_buffers)) ; else if (unformat (input, "rounds %u", &tm->rounds)) ; else if (unformat (input, "warmup-rounds %u", &tm->warmup_rounds)) ; else { err = clib_error_return (0, "unknown input '%U'", format_unformat_error, input); goto error; } } err = test_hash_perf (vm, tm); error: vec_free (tm->hash_name); return err; } VLIB_CLI_COMMAND (test_hash_command, static) = { .path = "test hash", .short_help = "test hash [perf <hash-name>] [buffers <n>] [rounds <n>] " "[warmup-rounds <n>]", .function = test_hash_command_fn, }; static clib_error_t * hash_test_init (vlib_main_t *vm) { return (0); } VLIB_INIT_FUNCTION (hash_test_init);