diff options
Diffstat (limited to 'test/test/test_bpf.c')
| -rw-r--r-- | test/test/test_bpf.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/test/test/test_bpf.c b/test/test/test_bpf.c index fa17c4f7..1d50401a 100644 --- a/test/test/test_bpf.c +++ b/test/test/test_bpf.c @@ -48,6 +48,12 @@ struct dummy_vect8 { #define TEST_JCC_3 5678 #define TEST_JCC_4 TEST_FILL_1 +#define TEST_IMM_1 UINT64_MAX +#define TEST_IMM_2 ((uint64_t)INT64_MIN) +#define TEST_IMM_3 ((uint64_t)INT64_MAX + INT32_MAX) +#define TEST_IMM_4 ((uint64_t)UINT32_MAX) +#define TEST_IMM_5 ((uint64_t)UINT32_MAX + 1) + struct bpf_test { const char *name; size_t arg_sz; @@ -268,6 +274,94 @@ test_load1_check(uint64_t rc, const void *arg) return cmp_res(__func__, v, rc, dft, dft, sizeof(*dft)); } +/* load immediate test-cases */ +static const struct ebpf_insn test_ldimm1_prog[] = { + + { + .code = (BPF_LD | BPF_IMM | EBPF_DW), + .dst_reg = EBPF_REG_0, + .imm = (uint32_t)TEST_IMM_1, + }, + { + .imm = TEST_IMM_1 >> 32, + }, + { + .code = (BPF_LD | BPF_IMM | EBPF_DW), + .dst_reg = EBPF_REG_3, + .imm = (uint32_t)TEST_IMM_2, + }, + { + .imm = TEST_IMM_2 >> 32, + }, + { + .code = (BPF_LD | BPF_IMM | EBPF_DW), + .dst_reg = EBPF_REG_5, + .imm = (uint32_t)TEST_IMM_3, + }, + { + .imm = TEST_IMM_3 >> 32, + }, + { + .code = (BPF_LD | BPF_IMM | EBPF_DW), + .dst_reg = EBPF_REG_7, + .imm = (uint32_t)TEST_IMM_4, + }, + { + .imm = TEST_IMM_4 >> 32, + }, + { + .code = (BPF_LD | BPF_IMM | EBPF_DW), + .dst_reg = EBPF_REG_9, + .imm = (uint32_t)TEST_IMM_5, + }, + { + .imm = TEST_IMM_5 >> 32, + }, + /* return sum */ + { + .code = (EBPF_ALU64 | BPF_ADD | BPF_X), + .dst_reg = EBPF_REG_0, + .src_reg = EBPF_REG_3, + }, + { + .code = (EBPF_ALU64 | BPF_ADD | BPF_X), + .dst_reg = EBPF_REG_0, + .src_reg = EBPF_REG_5, + }, + { + .code = (EBPF_ALU64 | BPF_ADD | BPF_X), + .dst_reg = EBPF_REG_0, + .src_reg = EBPF_REG_7, + }, + { + .code = (EBPF_ALU64 | BPF_ADD | BPF_X), + .dst_reg = EBPF_REG_0, + .src_reg = EBPF_REG_9, + }, + { + .code = (BPF_JMP | EBPF_EXIT), + }, +}; + +static int +test_ldimm1_check(uint64_t rc, const void *arg) +{ + uint64_t v1, v2; + + v1 = TEST_IMM_1; + v2 = TEST_IMM_2; + v1 += v2; + v2 = TEST_IMM_3; + v1 += v2; + v2 = TEST_IMM_4; + v1 += v2; + v2 = TEST_IMM_5; + v1 += v2; + + return cmp_res(__func__, v1, rc, arg, arg, 0); +} + + /* alu mul test-cases */ static const struct ebpf_insn test_mul1_prog[] = { @@ -1727,6 +1821,20 @@ static const struct bpf_test tests[] = { .check_result = test_load1_check, }, { + .name = "test_ldimm1", + .arg_sz = sizeof(struct dummy_offset), + .prm = { + .ins = test_ldimm1_prog, + .nb_ins = RTE_DIM(test_ldimm1_prog), + .prog_arg = { + .type = RTE_BPF_ARG_PTR, + .size = sizeof(struct dummy_offset), + }, + }, + .prepare = test_store1_prepare, + .check_result = test_ldimm1_check, + }, + { .name = "test_mul1", .arg_sz = sizeof(struct dummy_vect8), .prm = { |