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/*
* 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);
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