#include <test_progs.h>
#include "csum_diff_test.skel.h"
#define BUFF_SZ 512
struct testcase {
unsigned long long to_buff[BUFF_SZ / 8];
unsigned int to_buff_len;
unsigned long long from_buff[BUFF_SZ / 8];
unsigned int from_buff_len;
unsigned short seed;
unsigned short result;
};
#define NUM_PUSH_TESTS 4
struct testcase push_tests[NUM_PUSH_TESTS] = {
{
.to_buff = {
0xdeadbeefdeadbeef,
},
.to_buff_len = 8,
.from_buff = {},
.from_buff_len = 0,
.seed = 0,
.result = 0x3b3b
},
{
.to_buff = {
0xdeadbeefdeadbeef,
0xbeefdeadbeefdead,
},
.to_buff_len = 16,
.from_buff = {},
.from_buff_len = 0,
.seed = 0x1234,
.result = 0x88aa
},
{
.to_buff = {
0xdeadbeefdeadbeef,
0xbeefdeadbeefdead,
},
.to_buff_len = 15,
.from_buff = {},
.from_buff_len = 0,
.seed = 0x1234,
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
.result = 0xcaa9
#else
.result = 0x87fd
#endif
},
{
.to_buff = {
0x327b23c66b8b4567,
0x66334873643c9869,
0x19495cff74b0dc51,
0x625558ec2ae8944a,
0x46e87ccd238e1f29,
0x507ed7ab3d1b58ba,
0x41b71efb2eb141f2,
0x7545e14679e2a9e3,
0x5bd062c2515f007c,
0x4db127f812200854,
0x1f16e9e80216231b,
0x66ef438d1190cde7,
0x3352255a140e0f76,
0x0ded7263109cf92e,
0x1befd79f7fdcc233,
0x6b68079a41a7c4c9,
0x25e45d324e6afb66,
0x431bd7b7519b500d,
0x7c83e4583f2dba31,
0x62bbd95a257130a3,
0x628c895d436c6125,
0x721da317333ab105,
0x2d1d5ae92443a858,
0x75a2a8d46763845e,
0x79838cb208edbdab,
0x0b03e0c64353d0cd,
0x54e49eb4189a769b,
0x2ca8861171f32454,
0x02901d820836c40e,
0x081386413a95f874,
0x7c3dbd3d1e7ff521,
0x6ceaf087737b8ddc,
0x4516dde922221a70,
0x614fd4a13006c83e,
0x5577f8e1419ac241,
0x05072367440badfc,
0x77465f013804823e,
0x5c482a977724c67e,
0x5e884adc2463b9ea,
0x2d51779651ead36b,
0x153ea438580bd78f,
0x70a64e2a3855585c,
0x2a487cb06a2342ec,
0x725a06fb1d4ed43b,
0x57e4ccaf2cd89a32,
0x4b588f547a6d8d3c,
0x6de91b18542289ec,
0x7644a45c38437fdb,
0x684a481a32fff902,
0x749abb43579478fe,
0x1ba026fa3dc240fb,
0x75c6c33a79a1deaa,
0x70c6a52912e685fb,
0x374a3fe6520eedd1,
0x23f9c13c4f4ef005,
0x275ac794649bb77c,
0x1cf10fd839386575,
0x235ba861180115be,
0x354fe9f947398c89,
0x741226bb15b5af5c,
0x10233c990d34b6a8,
0x615740953f6ab60f,
0x77ae35eb7e0c57b1,
0x310c50b3579be4f1,
},
.to_buff_len = 512,
.from_buff = {},
.from_buff_len = 0,
.seed = 0xffff,
.result = 0xca45
},
};
#define NUM_PULL_TESTS 4
struct testcase pull_tests[NUM_PULL_TESTS] = {
{
.from_buff = {
0xdeadbeefdeadbeef,
},
.from_buff_len = 8,
.to_buff = {},
.to_buff_len = 0,
.seed = 0,
.result = 0xc4c4
},
{
.from_buff = {
0xdeadbeefdeadbeef,
0xbeefdeadbeefdead,
},
.from_buff_len = 16,
.to_buff = {},
.to_buff_len = 0,
.seed = 0x1234,
.result = 0x9bbd
},
{
.from_buff = {
0xdeadbeefdeadbeef,
0xbeefdeadbeefdead,
},
.from_buff_len = 15,
.to_buff = {},
.to_buff_len = 0,
.seed = 0x1234,
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
.result = 0x59be
#else
.result = 0x9c6a
#endif
},
{
.from_buff = {
0x327b23c66b8b4567,
0x66334873643c9869,
0x19495cff74b0dc51,
0x625558ec2ae8944a,
0x46e87ccd238e1f29,
0x507ed7ab3d1b58ba,
0x41b71efb2eb141f2,
0x7545e14679e2a9e3,
0x5bd062c2515f007c,
0x4db127f812200854,
0x1f16e9e80216231b,
0x66ef438d1190cde7,
0x3352255a140e0f76,
0x0ded7263109cf92e,
0x1befd79f7fdcc233,
0x6b68079a41a7c4c9,
0x25e45d324e6afb66,
0x431bd7b7519b500d,
0x7c83e4583f2dba31,
0x62bbd95a257130a3,
0x628c895d436c6125,
0x721da317333ab105,
0x2d1d5ae92443a858,
0x75a2a8d46763845e,
0x79838cb208edbdab,
0x0b03e0c64353d0cd,
0x54e49eb4189a769b,
0x2ca8861171f32454,
0x02901d820836c40e,
0x081386413a95f874,
0x7c3dbd3d1e7ff521,
0x6ceaf087737b8ddc,
0x4516dde922221a70,
0x614fd4a13006c83e,
0x5577f8e1419ac241,
0x05072367440badfc,
0x77465f013804823e,
0x5c482a977724c67e,
0x5e884adc2463b9ea,
0x2d51779651ead36b,
0x153ea438580bd78f,
0x70a64e2a3855585c,
0x2a487cb06a2342ec,
0x725a06fb1d4ed43b,
0x57e4ccaf2cd89a32,
0x4b588f547a6d8d3c,
0x6de91b18542289ec,
0x7644a45c38437fdb,
0x684a481a32fff902,
0x749abb43579478fe,
0x1ba026fa3dc240fb,
0x75c6c33a79a1deaa,
0x70c6a52912e685fb,
0x374a3fe6520eedd1,
0x23f9c13c4f4ef005,
0x275ac794649bb77c,
0x1cf10fd839386575,
0x235ba861180115be,
0x354fe9f947398c89,
0x741226bb15b5af5c,
0x10233c990d34b6a8,
0x615740953f6ab60f,
0x77ae35eb7e0c57b1,
0x310c50b3579be4f1,
},
.from_buff_len = 512,
.to_buff = {},
.to_buff_len = 0,
.seed = 0xffff,
.result = 0x35ba
},
};
#define NUM_DIFF_TESTS 4
struct testcase diff_tests[NUM_DIFF_TESTS] = {
{
.from_buff = {
0xdeadbeefdeadbeef,
},
.from_buff_len = 8,
.to_buff = {
0xabababababababab,
},
.to_buff_len = 8,
.seed = 0,
.result = 0x7373
},
{
.from_buff = {
0xdeadbeefdeadbeef,
},
.from_buff_len = 7,
.to_buff = {
0xabababababababab,
},
.to_buff_len = 7,
.seed = 0,
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
.result = 0xa673
#else
.result = 0x73b7
#endif
},
{
.from_buff = {
0,
},
.from_buff_len = 8,
.to_buff = {
0xabababababababab,
},
.to_buff_len = 8,
.seed = 0,
.result = 0xaeae
},
{
.from_buff = {
0xdeadbeefdeadbeef
},
.from_buff_len = 8,
.to_buff = {
0,
},
.to_buff_len = 8,
.seed = 0xffff,
.result = 0xc4c4
},
};
#define NUM_EDGE_TESTS 4
struct testcase edge_tests[NUM_EDGE_TESTS] = {
{
.from_buff = {},
.from_buff_len = 0,
.to_buff = {},
.to_buff_len = 0,
.seed = 0,
.result = 0
},
{
.from_buff = {
0x1234
},
.from_buff_len = 0,
.to_buff = {
0x1234
},
.to_buff_len = 0,
.seed = 0,
.result = 0
},
{
.from_buff = {},
.from_buff_len = 0,
.to_buff = {},
.to_buff_len = 0,
.seed = 0x1234,
.result = 0x1234
},
{
.from_buff = {},
.from_buff_len = 512,
.to_buff = {},
.to_buff_len = 0,
.seed = 0xffff,
.result = 0xffff
},
};
static unsigned short trigger_csum_diff(const struct csum_diff_test *skel)
{
u8 tmp_out[64 << 2] = {};
u8 tmp_in[64] = {};
int err;
int pfd;
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = tmp_in,
.data_size_in = sizeof(tmp_in),
.data_out = tmp_out,
.data_size_out = sizeof(tmp_out),
.repeat = 1,
);
pfd = bpf_program__fd(skel->progs.compute_checksum);
err = bpf_prog_test_run_opts(pfd, &topts);
if (err)
return -1;
return skel->bss->result;
}
static void test_csum_diff(struct testcase *tests, int num_tests)
{
struct csum_diff_test *skel;
unsigned short got;
int err;
for (int i = 0; i < num_tests; i++) {
skel = csum_diff_test__open();
if (!ASSERT_OK_PTR(skel, "csum_diff_test open"))
return;
skel->rodata->to_buff_len = tests[i].to_buff_len;
skel->rodata->from_buff_len = tests[i].from_buff_len;
err = csum_diff_test__load(skel);
if (!ASSERT_EQ(err, 0, "csum_diff_test load"))
goto out;
memcpy(skel->bss->to_buff, tests[i].to_buff, tests[i].to_buff_len);
memcpy(skel->bss->from_buff, tests[i].from_buff, tests[i].from_buff_len);
skel->bss->seed = tests[i].seed;
got = trigger_csum_diff(skel);
ASSERT_EQ(got, tests[i].result, "csum_diff result");
csum_diff_test__destroy(skel);
}
return;
out:
csum_diff_test__destroy(skel);
}
void test_test_csum_diff(void)
{
if (test__start_subtest("csum_diff_push"))
test_csum_diff(push_tests, NUM_PUSH_TESTS);
if (test__start_subtest("csum_diff_pull"))
test_csum_diff(pull_tests, NUM_PULL_TESTS);
if (test__start_subtest("csum_diff_diff"))
test_csum_diff(diff_tests, NUM_DIFF_TESTS);
if (test__start_subtest("csum_diff_edge"))
test_csum_diff(edge_tests, NUM_EDGE_TESTS);
}
