--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+#include <rte_memory.h>
+#include <rte_debug.h>
+#include <rte_hexdump.h>
+#include <rte_random.h>
+#include <rte_byteorder.h>
+#include <rte_errno.h>
+#include <rte_bpf.h>
+
+#include "test.h"
+
+/*
+ * Basic functional tests for librte_bpf.
+ * The main procedure - load eBPF program, execute it and
+ * compare restuls with expected values.
+ */
+
+struct dummy_offset {
+ uint64_t u64;
+ uint32_t u32;
+ uint16_t u16;
+ uint8_t u8;
+};
+
+struct dummy_vect8 {
+ struct dummy_offset in[8];
+ struct dummy_offset out[8];
+};
+
+#define TEST_FILL_1 0xDEADBEEF
+
+#define TEST_MUL_1 21
+#define TEST_MUL_2 -100
+
+#define TEST_SHIFT_1 15
+#define TEST_SHIFT_2 33
+
+#define TEST_JCC_1 0
+#define TEST_JCC_2 -123
+#define TEST_JCC_3 5678
+#define TEST_JCC_4 TEST_FILL_1
+
+struct bpf_test {
+ const char *name;
+ size_t arg_sz;
+ struct rte_bpf_prm prm;
+ void (*prepare)(void *);
+ int (*check_result)(uint64_t, const void *);
+ uint32_t allow_fail;
+};
+
+/*
+ * Compare return value and result data with expected ones.
+ * Report a failure if they don't match.
+ */
+static int
+cmp_res(const char *func, uint64_t exp_rc, uint64_t ret_rc,
+ const void *exp_res, const void *ret_res, size_t res_sz)
+{
+ int32_t ret;
+
+ ret = 0;
+ if (exp_rc != ret_rc) {
+ printf("%s@%d: invalid return value, expected: 0x%" PRIx64
+ ",result: 0x%" PRIx64 "\n",
+ func, __LINE__, exp_rc, ret_rc);
+ ret |= -1;
+ }
+
+ if (memcmp(exp_res, ret_res, res_sz) != 0) {
+ printf("%s: invalid value\n", func);
+ rte_memdump(stdout, "expected", exp_res, res_sz);
+ rte_memdump(stdout, "result", ret_res, res_sz);
+ ret |= -1;
+ }
+
+ return ret;
+}
+
+/* store immediate test-cases */
+static const struct ebpf_insn test_store1_prog[] = {
+ {
+ .code = (BPF_ST | BPF_MEM | BPF_B),
+ .dst_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u8),
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (BPF_ST | BPF_MEM | BPF_H),
+ .dst_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u16),
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (BPF_ST | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u32),
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (BPF_ST | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u64),
+ .imm = TEST_FILL_1,
+ },
+ /* return 1 */
+ {
+ .code = (BPF_ALU | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static void
+test_store1_prepare(void *arg)
+{
+ struct dummy_offset *df;
+
+ df = arg;
+ memset(df, 0, sizeof(*df));
+}
+
+static int
+test_store1_check(uint64_t rc, const void *arg)
+{
+ const struct dummy_offset *dft;
+ struct dummy_offset dfe;
+
+ dft = arg;
+
+ memset(&dfe, 0, sizeof(dfe));
+ dfe.u64 = (int32_t)TEST_FILL_1;
+ dfe.u32 = dfe.u64;
+ dfe.u16 = dfe.u64;
+ dfe.u8 = dfe.u64;
+
+ return cmp_res(__func__, 1, rc, &dfe, dft, sizeof(dfe));
+}
+
+/* store register test-cases */
+static const struct ebpf_insn test_store2_prog[] = {
+
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | BPF_B),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_offset, u8),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | BPF_H),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_offset, u16),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ /* return 1 */
+ {
+ .code = (BPF_ALU | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+/* load test-cases */
+static const struct ebpf_insn test_load1_prog[] = {
+
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_B),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u8),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_H),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u16),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_0,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ /* return sum */
+ {
+ .code = (EBPF_ALU64 | BPF_ADD | BPF_X),
+ .dst_reg = EBPF_REG_0,
+ .src_reg = EBPF_REG_4,
+ },
+ {
+ .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_2,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static void
+test_load1_prepare(void *arg)
+{
+ struct dummy_offset *df;
+
+ df = arg;
+
+ memset(df, 0, sizeof(*df));
+ df->u64 = (int32_t)TEST_FILL_1;
+ df->u32 = df->u64;
+ df->u16 = df->u64;
+ df->u8 = df->u64;
+}
+
+static int
+test_load1_check(uint64_t rc, const void *arg)
+{
+ uint64_t v;
+ const struct dummy_offset *dft;
+
+ dft = arg;
+ v = dft->u64;
+ v += dft->u32;
+ v += dft->u16;
+ v += dft->u8;
+
+ return cmp_res(__func__, v, rc, dft, dft, sizeof(*dft));
+}
+
+/* alu mul test-cases */
+static const struct ebpf_insn test_mul1_prog[] = {
+
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[1].u64),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[2].u32),
+ },
+ {
+ .code = (BPF_ALU | BPF_MUL | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = TEST_MUL_1,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_MUL | BPF_K),
+ .dst_reg = EBPF_REG_3,
+ .imm = TEST_MUL_2,
+ },
+ {
+ .code = (BPF_ALU | BPF_MUL | BPF_X),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_2,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_MUL | BPF_X),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_3,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_vect8, out[0].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[1].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_vect8, out[2].u64),
+ },
+ /* return 1 */
+ {
+ .code = (BPF_ALU | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static void
+test_mul1_prepare(void *arg)
+{
+ struct dummy_vect8 *dv;
+ uint64_t v;
+
+ dv = arg;
+
+ v = rte_rand();
+
+ memset(dv, 0, sizeof(*dv));
+ dv->in[0].u32 = v;
+ dv->in[1].u64 = v << 12 | v >> 6;
+ dv->in[2].u32 = -v;
+}
+
+static int
+test_mul1_check(uint64_t rc, const void *arg)
+{
+ uint64_t r2, r3, r4;
+ const struct dummy_vect8 *dvt;
+ struct dummy_vect8 dve;
+
+ dvt = arg;
+ memset(&dve, 0, sizeof(dve));
+
+ r2 = dvt->in[0].u32;
+ r3 = dvt->in[1].u64;
+ r4 = dvt->in[2].u32;
+
+ r2 = (uint32_t)r2 * TEST_MUL_1;
+ r3 *= TEST_MUL_2;
+ r4 = (uint32_t)(r4 * r2);
+ r4 *= r3;
+
+ dve.out[0].u64 = r2;
+ dve.out[1].u64 = r3;
+ dve.out[2].u64 = r4;
+
+ return cmp_res(__func__, 1, rc, dve.out, dvt->out, sizeof(dve.out));
+}
+
+/* alu shift test-cases */
+static const struct ebpf_insn test_shift1_prog[] = {
+
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[1].u64),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[2].u32),
+ },
+ {
+ .code = (BPF_ALU | BPF_LSH | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = TEST_SHIFT_1,
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_ARSH | BPF_K),
+ .dst_reg = EBPF_REG_3,
+ .imm = TEST_SHIFT_2,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_vect8, out[0].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[1].u64),
+ },
+ {
+ .code = (BPF_ALU | BPF_RSH | BPF_X),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_4,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_LSH | BPF_X),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_4,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_vect8, out[2].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[3].u64),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[1].u64),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[2].u32),
+ },
+ {
+ .code = (BPF_ALU | BPF_AND | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = sizeof(uint64_t) * CHAR_BIT - 1,
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_ARSH | BPF_X),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_2,
+ },
+ {
+ .code = (BPF_ALU | BPF_AND | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = sizeof(uint32_t) * CHAR_BIT - 1,
+ },
+ {
+ .code = (BPF_ALU | BPF_LSH | BPF_X),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_2,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_vect8, out[4].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[5].u64),
+ },
+ /* return 1 */
+ {
+ .code = (BPF_ALU | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static void
+test_shift1_prepare(void *arg)
+{
+ struct dummy_vect8 *dv;
+ uint64_t v;
+
+ dv = arg;
+
+ v = rte_rand();
+
+ memset(dv, 0, sizeof(*dv));
+ dv->in[0].u32 = v;
+ dv->in[1].u64 = v << 12 | v >> 6;
+ dv->in[2].u32 = (-v ^ 5);
+}
+
+static int
+test_shift1_check(uint64_t rc, const void *arg)
+{
+ uint64_t r2, r3, r4;
+ const struct dummy_vect8 *dvt;
+ struct dummy_vect8 dve;
+
+ dvt = arg;
+ memset(&dve, 0, sizeof(dve));
+
+ r2 = dvt->in[0].u32;
+ r3 = dvt->in[1].u64;
+ r4 = dvt->in[2].u32;
+
+ r2 = (uint32_t)r2 << TEST_SHIFT_1;
+ r3 = (int64_t)r3 >> TEST_SHIFT_2;
+
+ dve.out[0].u64 = r2;
+ dve.out[1].u64 = r3;
+
+ r2 = (uint32_t)r2 >> r4;
+ r3 <<= r4;
+
+ dve.out[2].u64 = r2;
+ dve.out[3].u64 = r3;
+
+ r2 = dvt->in[0].u32;
+ r3 = dvt->in[1].u64;
+ r4 = dvt->in[2].u32;
+
+ r2 &= sizeof(uint64_t) * CHAR_BIT - 1;
+ r3 = (int64_t)r3 >> r2;
+ r2 &= sizeof(uint32_t) * CHAR_BIT - 1;
+ r4 = (uint32_t)r4 << r2;
+
+ dve.out[4].u64 = r4;
+ dve.out[5].u64 = r3;
+
+ return cmp_res(__func__, 1, rc, dve.out, dvt->out, sizeof(dve.out));
+}
+
+/* jmp test-cases */
+static const struct ebpf_insn test_jump1_prog[] = {
+
+ [0] = {
+ .code = (BPF_ALU | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0,
+ },
+ [1] = {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u32),
+ },
+ [2] = {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u64),
+ },
+ [3] = {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[1].u32),
+ },
+ [4] = {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_5,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[1].u64),
+ },
+ [5] = {
+ .code = (BPF_JMP | BPF_JEQ | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = TEST_JCC_1,
+ .off = 8,
+ },
+ [6] = {
+ .code = (BPF_JMP | EBPF_JSLE | BPF_K),
+ .dst_reg = EBPF_REG_3,
+ .imm = TEST_JCC_2,
+ .off = 9,
+ },
+ [7] = {
+ .code = (BPF_JMP | BPF_JGT | BPF_K),
+ .dst_reg = EBPF_REG_4,
+ .imm = TEST_JCC_3,
+ .off = 10,
+ },
+ [8] = {
+ .code = (BPF_JMP | BPF_JSET | BPF_K),
+ .dst_reg = EBPF_REG_5,
+ .imm = TEST_JCC_4,
+ .off = 11,
+ },
+ [9] = {
+ .code = (BPF_JMP | EBPF_JNE | BPF_X),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_3,
+ .off = 12,
+ },
+ [10] = {
+ .code = (BPF_JMP | EBPF_JSGT | BPF_X),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_4,
+ .off = 13,
+ },
+ [11] = {
+ .code = (BPF_JMP | EBPF_JLE | BPF_X),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_5,
+ .off = 14,
+ },
+ [12] = {
+ .code = (BPF_JMP | BPF_JSET | BPF_X),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_5,
+ .off = 15,
+ },
+ [13] = {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+ [14] = {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0x1,
+ },
+ [15] = {
+ .code = (BPF_JMP | BPF_JA),
+ .off = -10,
+ },
+ [16] = {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0x2,
+ },
+ [17] = {
+ .code = (BPF_JMP | BPF_JA),
+ .off = -11,
+ },
+ [18] = {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0x4,
+ },
+ [19] = {
+ .code = (BPF_JMP | BPF_JA),
+ .off = -12,
+ },
+ [20] = {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0x8,
+ },
+ [21] = {
+ .code = (BPF_JMP | BPF_JA),
+ .off = -13,
+ },
+ [22] = {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0x10,
+ },
+ [23] = {
+ .code = (BPF_JMP | BPF_JA),
+ .off = -14,
+ },
+ [24] = {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0x20,
+ },
+ [25] = {
+ .code = (BPF_JMP | BPF_JA),
+ .off = -15,
+ },
+ [26] = {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0x40,
+ },
+ [27] = {
+ .code = (BPF_JMP | BPF_JA),
+ .off = -16,
+ },
+ [28] = {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 0x80,
+ },
+ [29] = {
+ .code = (BPF_JMP | BPF_JA),
+ .off = -17,
+ },
+};
+
+static void
+test_jump1_prepare(void *arg)
+{
+ struct dummy_vect8 *dv;
+ uint64_t v1, v2;
+
+ dv = arg;
+
+ v1 = rte_rand();
+ v2 = rte_rand();
+
+ memset(dv, 0, sizeof(*dv));
+ dv->in[0].u64 = v1;
+ dv->in[1].u64 = v2;
+ dv->in[0].u32 = (v1 << 12) + (v2 >> 6);
+ dv->in[1].u32 = (v2 << 12) - (v1 >> 6);
+}
+
+static int
+test_jump1_check(uint64_t rc, const void *arg)
+{
+ uint64_t r2, r3, r4, r5, rv;
+ const struct dummy_vect8 *dvt;
+
+ dvt = arg;
+
+ rv = 0;
+ r2 = dvt->in[0].u32;
+ r3 = dvt->in[0].u64;
+ r4 = dvt->in[1].u32;
+ r5 = dvt->in[1].u64;
+
+ if (r2 == TEST_JCC_1)
+ rv |= 0x1;
+ if ((int64_t)r3 <= TEST_JCC_2)
+ rv |= 0x2;
+ if (r4 > TEST_JCC_3)
+ rv |= 0x4;
+ if (r5 & TEST_JCC_4)
+ rv |= 0x8;
+ if (r2 != r3)
+ rv |= 0x10;
+ if ((int64_t)r2 > (int64_t)r4)
+ rv |= 0x20;
+ if (r2 <= r5)
+ rv |= 0x40;
+ if (r3 & r5)
+ rv |= 0x80;
+
+ return cmp_res(__func__, rv, rc, &rv, &rc, sizeof(rv));
+}
+
+/* alu (add, sub, and, or, xor, neg) test-cases */
+static const struct ebpf_insn test_alu1_prog[] = {
+
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u64),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[1].u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_5,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[1].u64),
+ },
+ {
+ .code = (BPF_ALU | BPF_AND | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_3,
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (BPF_ALU | BPF_XOR | BPF_K),
+ .dst_reg = EBPF_REG_4,
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_ADD | BPF_K),
+ .dst_reg = EBPF_REG_5,
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_vect8, out[0].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[1].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_vect8, out[2].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_5,
+ .off = offsetof(struct dummy_vect8, out[3].u64),
+ },
+ {
+ .code = (BPF_ALU | BPF_OR | BPF_X),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_3,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_XOR | BPF_X),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_4,
+ },
+ {
+ .code = (BPF_ALU | BPF_SUB | BPF_X),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_5,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_AND | BPF_X),
+ .dst_reg = EBPF_REG_5,
+ .src_reg = EBPF_REG_2,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_vect8, out[4].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[5].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_vect8, out[6].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_5,
+ .off = offsetof(struct dummy_vect8, out[7].u64),
+ },
+ /* return (-r2 + (-r3)) */
+ {
+ .code = (BPF_ALU | BPF_NEG),
+ .dst_reg = EBPF_REG_2,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_NEG),
+ .dst_reg = EBPF_REG_3,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_ADD | BPF_X),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_3,
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
+ .dst_reg = EBPF_REG_0,
+ .src_reg = EBPF_REG_2,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static int
+test_alu1_check(uint64_t rc, const void *arg)
+{
+ uint64_t r2, r3, r4, r5, rv;
+ const struct dummy_vect8 *dvt;
+ struct dummy_vect8 dve;
+
+ dvt = arg;
+ memset(&dve, 0, sizeof(dve));
+
+ r2 = dvt->in[0].u32;
+ r3 = dvt->in[0].u64;
+ r4 = dvt->in[1].u32;
+ r5 = dvt->in[1].u64;
+
+ r2 = (uint32_t)r2 & TEST_FILL_1;
+ r3 |= (int32_t) TEST_FILL_1;
+ r4 = (uint32_t)r4 ^ TEST_FILL_1;
+ r5 += (int32_t)TEST_FILL_1;
+
+ dve.out[0].u64 = r2;
+ dve.out[1].u64 = r3;
+ dve.out[2].u64 = r4;
+ dve.out[3].u64 = r5;
+
+ r2 = (uint32_t)r2 | (uint32_t)r3;
+ r3 ^= r4;
+ r4 = (uint32_t)r4 - (uint32_t)r5;
+ r5 &= r2;
+
+ dve.out[4].u64 = r2;
+ dve.out[5].u64 = r3;
+ dve.out[6].u64 = r4;
+ dve.out[7].u64 = r5;
+
+ r2 = -(int32_t)r2;
+ rv = (uint32_t)r2;
+ r3 = -r3;
+ rv += r3;
+
+ return cmp_res(__func__, rv, rc, dve.out, dvt->out, sizeof(dve.out));
+}
+
+/* endianness conversions (BE->LE/LE->BE) test-cases */
+static const struct ebpf_insn test_bele1_prog[] = {
+
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_H),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u16),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u64),
+ },
+ {
+ .code = (BPF_ALU | EBPF_END | EBPF_TO_BE),
+ .dst_reg = EBPF_REG_2,
+ .imm = sizeof(uint16_t) * CHAR_BIT,
+ },
+ {
+ .code = (BPF_ALU | EBPF_END | EBPF_TO_BE),
+ .dst_reg = EBPF_REG_3,
+ .imm = sizeof(uint32_t) * CHAR_BIT,
+ },
+ {
+ .code = (BPF_ALU | EBPF_END | EBPF_TO_BE),
+ .dst_reg = EBPF_REG_4,
+ .imm = sizeof(uint64_t) * CHAR_BIT,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_vect8, out[0].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[1].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_vect8, out[2].u64),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_H),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u16),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u64),
+ },
+ {
+ .code = (BPF_ALU | EBPF_END | EBPF_TO_LE),
+ .dst_reg = EBPF_REG_2,
+ .imm = sizeof(uint16_t) * CHAR_BIT,
+ },
+ {
+ .code = (BPF_ALU | EBPF_END | EBPF_TO_LE),
+ .dst_reg = EBPF_REG_3,
+ .imm = sizeof(uint32_t) * CHAR_BIT,
+ },
+ {
+ .code = (BPF_ALU | EBPF_END | EBPF_TO_LE),
+ .dst_reg = EBPF_REG_4,
+ .imm = sizeof(uint64_t) * CHAR_BIT,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_vect8, out[3].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[4].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_vect8, out[5].u64),
+ },
+ /* return 1 */
+ {
+ .code = (BPF_ALU | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static void
+test_bele1_prepare(void *arg)
+{
+ struct dummy_vect8 *dv;
+
+ dv = arg;
+
+ memset(dv, 0, sizeof(*dv));
+ dv->in[0].u64 = rte_rand();
+ dv->in[0].u32 = dv->in[0].u64;
+ dv->in[0].u16 = dv->in[0].u64;
+}
+
+static int
+test_bele1_check(uint64_t rc, const void *arg)
+{
+ uint64_t r2, r3, r4;
+ const struct dummy_vect8 *dvt;
+ struct dummy_vect8 dve;
+
+ dvt = arg;
+ memset(&dve, 0, sizeof(dve));
+
+ r2 = dvt->in[0].u16;
+ r3 = dvt->in[0].u32;
+ r4 = dvt->in[0].u64;
+
+ r2 = rte_cpu_to_be_16(r2);
+ r3 = rte_cpu_to_be_32(r3);
+ r4 = rte_cpu_to_be_64(r4);
+
+ dve.out[0].u64 = r2;
+ dve.out[1].u64 = r3;
+ dve.out[2].u64 = r4;
+
+ r2 = dvt->in[0].u16;
+ r3 = dvt->in[0].u32;
+ r4 = dvt->in[0].u64;
+
+ r2 = rte_cpu_to_le_16(r2);
+ r3 = rte_cpu_to_le_32(r3);
+ r4 = rte_cpu_to_le_64(r4);
+
+ dve.out[3].u64 = r2;
+ dve.out[4].u64 = r3;
+ dve.out[5].u64 = r4;
+
+ return cmp_res(__func__, 1, rc, dve.out, dvt->out, sizeof(dve.out));
+}
+
+/* atomic add test-cases */
+static const struct ebpf_insn test_xadd1_prog[] = {
+
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_3,
+ .imm = -1,
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_4,
+ .imm = TEST_FILL_1,
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_5,
+ .imm = TEST_MUL_1,
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_5,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_5,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_6,
+ .imm = TEST_MUL_2,
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_6,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_6,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_7,
+ .imm = TEST_JCC_2,
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_7,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_7,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_8,
+ .imm = TEST_JCC_3,
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | BPF_W),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_8,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_STX | EBPF_XADD | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_8,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ /* return 1 */
+ {
+ .code = (BPF_ALU | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static int
+test_xadd1_check(uint64_t rc, const void *arg)
+{
+ uint64_t rv;
+ const struct dummy_offset *dft;
+ struct dummy_offset dfe;
+
+ dft = arg;
+ memset(&dfe, 0, sizeof(dfe));
+
+ rv = 1;
+ rte_atomic32_add((rte_atomic32_t *)&dfe.u32, rv);
+ rte_atomic64_add((rte_atomic64_t *)&dfe.u64, rv);
+
+ rv = -1;
+ rte_atomic32_add((rte_atomic32_t *)&dfe.u32, rv);
+ rte_atomic64_add((rte_atomic64_t *)&dfe.u64, rv);
+
+ rv = (int32_t)TEST_FILL_1;
+ rte_atomic32_add((rte_atomic32_t *)&dfe.u32, rv);
+ rte_atomic64_add((rte_atomic64_t *)&dfe.u64, rv);
+
+ rv = TEST_MUL_1;
+ rte_atomic32_add((rte_atomic32_t *)&dfe.u32, rv);
+ rte_atomic64_add((rte_atomic64_t *)&dfe.u64, rv);
+
+ rv = TEST_MUL_2;
+ rte_atomic32_add((rte_atomic32_t *)&dfe.u32, rv);
+ rte_atomic64_add((rte_atomic64_t *)&dfe.u64, rv);
+
+ rv = TEST_JCC_2;
+ rte_atomic32_add((rte_atomic32_t *)&dfe.u32, rv);
+ rte_atomic64_add((rte_atomic64_t *)&dfe.u64, rv);
+
+ rv = TEST_JCC_3;
+ rte_atomic32_add((rte_atomic32_t *)&dfe.u32, rv);
+ rte_atomic64_add((rte_atomic64_t *)&dfe.u64, rv);
+
+ return cmp_res(__func__, 1, rc, &dfe, dft, sizeof(dfe));
+}
+
+/* alu div test-cases */
+static const struct ebpf_insn test_div1_prog[] = {
+
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[0].u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[1].u64),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[2].u32),
+ },
+ {
+ .code = (BPF_ALU | BPF_DIV | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = TEST_MUL_1,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_MOD | BPF_K),
+ .dst_reg = EBPF_REG_3,
+ .imm = TEST_MUL_2,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = 1,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_OR | BPF_K),
+ .dst_reg = EBPF_REG_3,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_ALU | BPF_MOD | BPF_X),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_2,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_DIV | BPF_X),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_3,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_2,
+ .off = offsetof(struct dummy_vect8, out[0].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_3,
+ .off = offsetof(struct dummy_vect8, out[1].u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_1,
+ .src_reg = EBPF_REG_4,
+ .off = offsetof(struct dummy_vect8, out[2].u64),
+ },
+ /* check that we can handle division by zero gracefully. */
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_vect8, in[3].u32),
+ },
+ {
+ .code = (BPF_ALU | BPF_DIV | BPF_X),
+ .dst_reg = EBPF_REG_4,
+ .src_reg = EBPF_REG_2,
+ },
+ /* return 1 */
+ {
+ .code = (BPF_ALU | EBPF_MOV | BPF_K),
+ .dst_reg = EBPF_REG_0,
+ .imm = 1,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static int
+test_div1_check(uint64_t rc, const void *arg)
+{
+ uint64_t r2, r3, r4;
+ const struct dummy_vect8 *dvt;
+ struct dummy_vect8 dve;
+
+ dvt = arg;
+ memset(&dve, 0, sizeof(dve));
+
+ r2 = dvt->in[0].u32;
+ r3 = dvt->in[1].u64;
+ r4 = dvt->in[2].u32;
+
+ r2 = (uint32_t)r2 / TEST_MUL_1;
+ r3 %= TEST_MUL_2;
+ r2 |= 1;
+ r3 |= 1;
+ r4 = (uint32_t)(r4 % r2);
+ r4 /= r3;
+
+ dve.out[0].u64 = r2;
+ dve.out[1].u64 = r3;
+ dve.out[2].u64 = r4;
+
+ /*
+ * in the test prog we attempted to divide by zero.
+ * so return value should return 0.
+ */
+ return cmp_res(__func__, 0, rc, dve.out, dvt->out, sizeof(dve.out));
+}
+
+/* call test-cases */
+static const struct ebpf_insn test_call1_prog[] = {
+
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u32),
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_1,
+ .off = offsetof(struct dummy_offset, u64),
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_10,
+ .src_reg = EBPF_REG_2,
+ .off = -4,
+ },
+ {
+ .code = (BPF_STX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_10,
+ .src_reg = EBPF_REG_3,
+ .off = -16,
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_10,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_SUB | BPF_K),
+ .dst_reg = EBPF_REG_2,
+ .imm = 4,
+ },
+ {
+ .code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
+ .dst_reg = EBPF_REG_3,
+ .src_reg = EBPF_REG_10,
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_SUB | BPF_K),
+ .dst_reg = EBPF_REG_3,
+ .imm = 16,
+ },
+ {
+ .code = (BPF_JMP | EBPF_CALL),
+ .imm = 0,
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | BPF_W),
+ .dst_reg = EBPF_REG_2,
+ .src_reg = EBPF_REG_10,
+ .off = -4,
+ },
+ {
+ .code = (BPF_LDX | BPF_MEM | EBPF_DW),
+ .dst_reg = EBPF_REG_0,
+ .src_reg = EBPF_REG_10,
+ .off = -16
+ },
+ {
+ .code = (EBPF_ALU64 | BPF_ADD | BPF_X),
+ .dst_reg = EBPF_REG_0,
+ .src_reg = EBPF_REG_2,
+ },
+ {
+ .code = (BPF_JMP | EBPF_EXIT),
+ },
+};
+
+static void
+dummy_func1(const void *p, uint32_t *v32, uint64_t *v64)
+{
+ const struct dummy_offset *dv;
+
+ dv = p;
+
+ v32[0] += dv->u16;
+ v64[0] += dv->u8;
+}
+
+static int
+test_call1_check(uint64_t rc, const void *arg)
+{
+ uint32_t v32;
+ uint64_t v64;
+ const struct dummy_offset *dv;
+
+ dv = arg;
+
+ v32 = dv->u32;
+ v64 = dv->u64;
+ dummy_func1(arg, &v32, &v64);
+ v64 += v32;
+
+ if (v64 != rc) {
+ printf("%s@%d: invalid return value "
+ "expected=0x%" PRIx64 ", actual=0x%" PRIx64 "\n",
+ __func__, __LINE__, v64, rc);
+ return -1;
+ }
+ return 0;
+ return cmp_res(__func__, v64, rc, dv, dv, sizeof(*dv));
+}
+
+static const struct rte_bpf_xsym test_call1_xsym[] = {
+ {
+ .name = RTE_STR(dummy_func1),
+ .type = RTE_BPF_XTYPE_FUNC,
+ .func = (void *)dummy_func1,
+ },
+};
+
+static const struct bpf_test tests[] = {
+ {
+ .name = "test_store1",
+ .arg_sz = sizeof(struct dummy_offset),
+ .prm = {
+ .ins = test_store1_prog,
+ .nb_ins = RTE_DIM(test_store1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_offset),
+ },
+ },
+ .prepare = test_store1_prepare,
+ .check_result = test_store1_check,
+ },
+ {
+ .name = "test_store2",
+ .arg_sz = sizeof(struct dummy_offset),
+ .prm = {
+ .ins = test_store2_prog,
+ .nb_ins = RTE_DIM(test_store2_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_offset),
+ },
+ },
+ .prepare = test_store1_prepare,
+ .check_result = test_store1_check,
+ },
+ {
+ .name = "test_load1",
+ .arg_sz = sizeof(struct dummy_offset),
+ .prm = {
+ .ins = test_load1_prog,
+ .nb_ins = RTE_DIM(test_load1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_offset),
+ },
+ },
+ .prepare = test_load1_prepare,
+ .check_result = test_load1_check,
+ },
+ {
+ .name = "test_mul1",
+ .arg_sz = sizeof(struct dummy_vect8),
+ .prm = {
+ .ins = test_mul1_prog,
+ .nb_ins = RTE_DIM(test_mul1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_vect8),
+ },
+ },
+ .prepare = test_mul1_prepare,
+ .check_result = test_mul1_check,
+ },
+ {
+ .name = "test_shift1",
+ .arg_sz = sizeof(struct dummy_vect8),
+ .prm = {
+ .ins = test_shift1_prog,
+ .nb_ins = RTE_DIM(test_shift1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_vect8),
+ },
+ },
+ .prepare = test_shift1_prepare,
+ .check_result = test_shift1_check,
+ },
+ {
+ .name = "test_jump1",
+ .arg_sz = sizeof(struct dummy_vect8),
+ .prm = {
+ .ins = test_jump1_prog,
+ .nb_ins = RTE_DIM(test_jump1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_vect8),
+ },
+ },
+ .prepare = test_jump1_prepare,
+ .check_result = test_jump1_check,
+ },
+ {
+ .name = "test_alu1",
+ .arg_sz = sizeof(struct dummy_vect8),
+ .prm = {
+ .ins = test_alu1_prog,
+ .nb_ins = RTE_DIM(test_alu1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_vect8),
+ },
+ },
+ .prepare = test_jump1_prepare,
+ .check_result = test_alu1_check,
+ },
+ {
+ .name = "test_bele1",
+ .arg_sz = sizeof(struct dummy_vect8),
+ .prm = {
+ .ins = test_bele1_prog,
+ .nb_ins = RTE_DIM(test_bele1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_vect8),
+ },
+ },
+ .prepare = test_bele1_prepare,
+ .check_result = test_bele1_check,
+ },
+ {
+ .name = "test_xadd1",
+ .arg_sz = sizeof(struct dummy_offset),
+ .prm = {
+ .ins = test_xadd1_prog,
+ .nb_ins = RTE_DIM(test_xadd1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_offset),
+ },
+ },
+ .prepare = test_store1_prepare,
+ .check_result = test_xadd1_check,
+ },
+ {
+ .name = "test_div1",
+ .arg_sz = sizeof(struct dummy_vect8),
+ .prm = {
+ .ins = test_div1_prog,
+ .nb_ins = RTE_DIM(test_div1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_vect8),
+ },
+ },
+ .prepare = test_mul1_prepare,
+ .check_result = test_div1_check,
+ },
+ {
+ .name = "test_call1",
+ .arg_sz = sizeof(struct dummy_offset),
+ .prm = {
+ .ins = test_call1_prog,
+ .nb_ins = RTE_DIM(test_call1_prog),
+ .prog_arg = {
+ .type = RTE_BPF_ARG_PTR,
+ .size = sizeof(struct dummy_offset),
+ },
+ .xsym = test_call1_xsym,
+ .nb_xsym = RTE_DIM(test_call1_xsym),
+ },
+ .prepare = test_load1_prepare,
+ .check_result = test_call1_check,
+ /* for now don't support function calls on 32 bit platform */
+ .allow_fail = (sizeof(uint64_t) != sizeof(uintptr_t)),
+ },
+};
+
+static int
+run_test(const struct bpf_test *tst)
+{
+ int32_t ret, rv;
+ int64_t rc;
+ struct rte_bpf *bpf;
+ struct rte_bpf_jit jit;
+ uint8_t tbuf[tst->arg_sz];
+
+ printf("%s(%s) start\n", __func__, tst->name);
+
+ bpf = rte_bpf_load(&tst->prm);
+ if (bpf == NULL) {
+ printf("%s@%d: failed to load bpf code, error=%d(%s);\n",
+ __func__, __LINE__, rte_errno, strerror(rte_errno));
+ return -1;
+ }
+
+ tst->prepare(tbuf);
+
+ rc = rte_bpf_exec(bpf, tbuf);
+ ret = tst->check_result(rc, tbuf);
+ if (ret != 0) {
+ printf("%s@%d: check_result(%s) failed, error: %d(%s);\n",
+ __func__, __LINE__, tst->name, ret, strerror(ret));
+ }
+
+ rte_bpf_get_jit(bpf, &jit);
+ if (jit.func == NULL)
+ return 0;
+
+ tst->prepare(tbuf);
+ rc = jit.func(tbuf);
+ rv = tst->check_result(rc, tbuf);
+ ret |= rv;
+ if (rv != 0) {
+ printf("%s@%d: check_result(%s) failed, error: %d(%s);\n",
+ __func__, __LINE__, tst->name, rv, strerror(ret));
+ }
+
+ rte_bpf_destroy(bpf);
+ return ret;
+
+}
+
+static int
+test_bpf(void)
+{
+ int32_t rc, rv;
+ uint32_t i;
+
+ rc = 0;
+ for (i = 0; i != RTE_DIM(tests); i++) {
+ rv = run_test(tests + i);
+ if (tests[i].allow_fail == 0)
+ rc |= rv;
+ }
+
+ return rc;
+}
+
+REGISTER_TEST_COMMAND(bpf_autotest, test_bpf);
git.droids-corp.org / dpdk.git / commitdiff