aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/unittest/hash_test.c
diff options
context:
space:
mode:
authorMohsin Kazmi <sykazmi@cisco.com>2021-06-30 18:26:25 +0000
committerDamjan Marion <dmarion@me.com>2021-09-20 11:11:02 +0000
commit41b23bc9554a134aee37b430ebf5553cc3260624 (patch)
tree9094c812a8833a37292244e9c2023d466d99a606 /src/plugins/unittest/hash_test.c
parente3cf4d0cf3b83f912474220ff52dfedc5a432084 (diff)
hash: add support for hashing infra
Type: feature Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I3652ae275385d9b1eb1b11f418e3a7e5fef2f556
Diffstat (limited to 'src/plugins/unittest/hash_test.c')
-rw-r--r--src/plugins/unittest/hash_test.c331
1 files changed, 331 insertions, 0 deletions
diff --git a/src/plugins/unittest/hash_test.c b/src/plugins/unittest/hash_test.c
new file mode 100644
index 00000000000..3b0a3cf04b9
--- /dev/null
+++ b/src/plugins/unittest/hash_test.c
@@ -0,0 +1,331 @@
+/*
+ * 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);