diff options
Diffstat (limited to 'src/vppinfra/vector/test/ip_csum.c')
| -rw-r--r-- | src/vppinfra/vector/test/ip_csum.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/vppinfra/vector/test/ip_csum.c b/src/vppinfra/vector/test/ip_csum.c deleted file mode 100644 index 17a606523f2..00000000000 --- a/src/vppinfra/vector/test/ip_csum.c +++ /dev/null @@ -1,179 +0,0 @@ -/* SPDX-License-Identifier: Apache-2.0 - * Copyright(c) 2021 Cisco Systems, Inc. - */ - -#include <vppinfra/format.h> -#include <vppinfra/vector/test/test.h> -#include <vppinfra/vector/ip_csum.h> - -typedef struct -{ - struct - { - u8 *src; - u32 count; - } chunk[5]; - u16 result; -} ip_csum_test_t; - -static u8 test1[] = { 0x45, 0x00, 0x00, 0x73, 0x00, 0x00, 0x40, - 0x00, 0x40, 0x11, 0x00, 0x00, 0xc0, 0xa8, - 0x00, 0x01, 0xc0, 0xa8, 0x00, 0xc7, 0x00 }; -#define TEST_LEN(x) (ARRAY_LEN (x) - 1) - -static ip_csum_test_t tests[] = { { - .chunk[0].src = test1, - .chunk[0].count = TEST_LEN (test1), - .result = 0x61b8, - }, - { - .chunk[0].src = test1, - .chunk[0].count = 1, - .chunk[1].src = test1 + 1, - .chunk[1].count = 2, - .chunk[2].src = test1 + 3, - .chunk[2].count = 3, - .chunk[3].src = test1 + 6, - .chunk[3].count = 4, - .chunk[4].src = test1 + 10, - .chunk[4].count = TEST_LEN (test1) - 10, - .result = 0x61b8, - }, - { - .chunk[0].count = 1, - .result = 0xff0f, - }, - { - .chunk[0].count = 2, - .result = 0x080f, - }, - { - .chunk[0].count = 3, - .result = 0x0711, - }, - { - .chunk[0].count = 4, - .result = 0x1210, - }, - { - .chunk[0].count = 63, - .result = 0xda01, - }, - { - .chunk[0].count = 64, - .result = 0xe100, - }, - { - .chunk[0].count = 65, - .result = 0xe010, - }, - { - .chunk[0].count = 65535, - .result = 0xfc84, - }, - { - .chunk[0].count = 65536, - .result = 0xffff, - } }; - -static clib_error_t * -test_clib_ip_csum (clib_error_t *err) -{ - u8 *buf; - buf = test_mem_alloc (65536); - for (int i = 0; i < 65536; i++) - buf[i] = 0xf0 + ((i * 7) & 0xf); - - for (int i = 0; i < ARRAY_LEN (tests); i++) - { - clib_ip_csum_t c = {}; - ip_csum_test_t *t = tests + i; - u16 rv; - - for (int j = 0; j < ARRAY_LEN (((ip_csum_test_t *) 0)->chunk); j++) - if (t->chunk[j].count > 0) - { - if (t->chunk[j].src == 0) - clib_ip_csum_chunk (&c, buf, t->chunk[j].count); - else - clib_ip_csum_chunk (&c, t->chunk[j].src, t->chunk[j].count); - } - rv = clib_ip_csum_fold (&c); - - if (rv != tests[i].result) - { - err = clib_error_return (err, - "bad checksum in test case %u (expected " - "0x%04x, calculated 0x%04x)", - i, tests[i].result, rv); - goto done; - } - } -done: - test_mem_free (buf); - return err; -} - -void __test_perf_fn -perftest_ip4_hdr (test_perf_t *tp) -{ - u32 n = tp->n_ops; - u8 *data = test_mem_alloc_and_splat (20, n, (void *) &test1); - u16 *res = test_mem_alloc (n * sizeof (u16)); - - test_perf_event_enable (tp); - for (int i = 0; i < n; i++) - res[i] = clib_ip_csum (data + i * 20, 20); - test_perf_event_disable (tp); - - test_mem_free (data); - test_mem_free (res); -} - -void __test_perf_fn -perftest_tcp_payload (test_perf_t *tp) -{ - u32 n = tp->n_ops; - volatile uword *lenp = &tp->arg0; - u8 *data = test_mem_alloc_and_splat (20, n, (void *) &test1); - u16 *res = test_mem_alloc (n * sizeof (u16)); - - test_perf_event_enable (tp); - for (int i = 0; i < n; i++) - res[i] = clib_ip_csum (data + i * lenp[0], lenp[0]); - test_perf_event_disable (tp); - - test_mem_free (data); - test_mem_free (res); -} - -void __test_perf_fn -perftest_byte (test_perf_t *tp) -{ - volatile uword *np = &tp->n_ops; - u8 *data = test_mem_alloc_and_fill_inc_u8 (*np, 0, 0); - u16 *res = test_mem_alloc (sizeof (u16)); - - test_perf_event_enable (tp); - res[0] = clib_ip_csum (data, np[0]); - test_perf_event_disable (tp); - - test_mem_free (data); - test_mem_free (res); -} - -REGISTER_TEST (clib_ip_csum) = { - .name = "clib_ip_csum", - .fn = test_clib_ip_csum, - .perf_tests = PERF_TESTS ( - { .name = "fixed size (per IPv4 Header)", - .n_ops = 1024, - .fn = perftest_ip4_hdr }, - { .name = "fixed size (per 1460 byte block)", - .n_ops = 16, - .arg0 = 1460, - .fn = perftest_tcp_payload }, - { .name = "variable size (per byte)", .n_ops = 16384, .fn = perftest_byte } - - ), -}; |