cddd879540
This patch implements following new test cases: - test_call4: test case to verify if stack corruption occurs across with multiple function calls. - test_jump2: test case with a default packet in memory, parse the packet and check if dest ip is part of a subnet. - test_call5: test case with string data in the stack and calling string comaprision. Signed-off-by: Harman Kalra <hkalra@marvell.com> Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2784 lines
55 KiB
C
2784 lines
55 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Intel Corporation
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <rte_memory.h>
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#include <rte_debug.h>
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#include <rte_hexdump.h>
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#include <rte_random.h>
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#include <rte_byteorder.h>
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#include <rte_errno.h>
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#include <rte_bpf.h>
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#include <rte_ether.h>
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#include <rte_ip.h>
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#include "test.h"
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/*
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* Basic functional tests for librte_bpf.
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* The main procedure - load eBPF program, execute it and
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* compare restuls with expected values.
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*/
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struct dummy_offset {
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uint64_t u64;
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uint32_t u32;
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uint16_t u16;
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uint8_t u8;
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};
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struct dummy_vect8 {
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struct dummy_offset in[8];
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struct dummy_offset out[8];
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};
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struct dummy_net {
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struct rte_ether_hdr eth_hdr;
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struct rte_vlan_hdr vlan_hdr;
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struct rte_ipv4_hdr ip_hdr;
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};
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#define TEST_FILL_1 0xDEADBEEF
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#define TEST_MUL_1 21
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#define TEST_MUL_2 -100
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#define TEST_SHIFT_1 15
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#define TEST_SHIFT_2 33
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#define TEST_JCC_1 0
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#define TEST_JCC_2 -123
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#define TEST_JCC_3 5678
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#define TEST_JCC_4 TEST_FILL_1
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#define TEST_IMM_1 UINT64_MAX
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#define TEST_IMM_2 ((uint64_t)INT64_MIN)
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#define TEST_IMM_3 ((uint64_t)INT64_MAX + INT32_MAX)
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#define TEST_IMM_4 ((uint64_t)UINT32_MAX)
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#define TEST_IMM_5 ((uint64_t)UINT32_MAX + 1)
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#define TEST_MEMFROB 0x2a2a2a2a
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#define STRING_GEEK 0x6B656567
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#define STRING_WEEK 0x6B656577
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#define TEST_NETMASK 0xffffff00
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#define TEST_SUBNET 0xaca80200
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uint8_t src_mac[] = { 0x00, 0xFF, 0xAA, 0xFF, 0xAA, 0xFF };
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uint8_t dst_mac[] = { 0x00, 0xAA, 0xFF, 0xAA, 0xFF, 0xAA };
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uint32_t ip_src_addr = (172U << 24) | (168U << 16) | (2 << 8) | 1;
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uint32_t ip_dst_addr = (172U << 24) | (168U << 16) | (2 << 8) | 2;
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struct bpf_test {
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const char *name;
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size_t arg_sz;
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struct rte_bpf_prm prm;
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void (*prepare)(void *);
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int (*check_result)(uint64_t, const void *);
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uint32_t allow_fail;
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};
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/*
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* Compare return value and result data with expected ones.
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* Report a failure if they don't match.
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*/
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static int
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cmp_res(const char *func, uint64_t exp_rc, uint64_t ret_rc,
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const void *exp_res, const void *ret_res, size_t res_sz)
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{
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int32_t ret;
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ret = 0;
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if (exp_rc != ret_rc) {
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printf("%s@%d: invalid return value, expected: 0x%" PRIx64
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",result: 0x%" PRIx64 "\n",
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func, __LINE__, exp_rc, ret_rc);
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ret |= -1;
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}
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if (memcmp(exp_res, ret_res, res_sz) != 0) {
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printf("%s: invalid value\n", func);
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rte_memdump(stdout, "expected", exp_res, res_sz);
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rte_memdump(stdout, "result", ret_res, res_sz);
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ret |= -1;
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}
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return ret;
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}
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/* store immediate test-cases */
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static const struct ebpf_insn test_store1_prog[] = {
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{
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.code = (BPF_ST | BPF_MEM | BPF_B),
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.dst_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_offset, u8),
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.imm = TEST_FILL_1,
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},
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{
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.code = (BPF_ST | BPF_MEM | BPF_H),
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.dst_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_offset, u16),
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.imm = TEST_FILL_1,
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},
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{
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.code = (BPF_ST | BPF_MEM | BPF_W),
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.dst_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_offset, u32),
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.imm = TEST_FILL_1,
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},
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{
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.code = (BPF_ST | BPF_MEM | EBPF_DW),
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.dst_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_offset, u64),
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.imm = TEST_FILL_1,
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},
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/* return 1 */
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{
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.code = (BPF_ALU | EBPF_MOV | BPF_K),
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.dst_reg = EBPF_REG_0,
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.imm = 1,
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},
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{
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.code = (BPF_JMP | EBPF_EXIT),
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},
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};
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static void
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test_store1_prepare(void *arg)
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{
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struct dummy_offset *df;
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df = arg;
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memset(df, 0, sizeof(*df));
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}
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static int
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test_store1_check(uint64_t rc, const void *arg)
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{
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const struct dummy_offset *dft;
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struct dummy_offset dfe;
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dft = arg;
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memset(&dfe, 0, sizeof(dfe));
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dfe.u64 = (int32_t)TEST_FILL_1;
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dfe.u32 = dfe.u64;
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dfe.u16 = dfe.u64;
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dfe.u8 = dfe.u64;
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return cmp_res(__func__, 1, rc, &dfe, dft, sizeof(dfe));
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}
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/* store register test-cases */
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static const struct ebpf_insn test_store2_prog[] = {
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{
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.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
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.dst_reg = EBPF_REG_2,
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.imm = TEST_FILL_1,
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},
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{
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.code = (BPF_STX | BPF_MEM | BPF_B),
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.dst_reg = EBPF_REG_1,
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.src_reg = EBPF_REG_2,
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.off = offsetof(struct dummy_offset, u8),
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},
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{
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.code = (BPF_STX | BPF_MEM | BPF_H),
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.dst_reg = EBPF_REG_1,
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.src_reg = EBPF_REG_2,
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.off = offsetof(struct dummy_offset, u16),
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},
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{
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.code = (BPF_STX | BPF_MEM | BPF_W),
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.dst_reg = EBPF_REG_1,
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.src_reg = EBPF_REG_2,
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.off = offsetof(struct dummy_offset, u32),
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},
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{
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.code = (BPF_STX | BPF_MEM | EBPF_DW),
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.dst_reg = EBPF_REG_1,
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.src_reg = EBPF_REG_2,
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.off = offsetof(struct dummy_offset, u64),
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},
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/* return 1 */
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{
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.code = (BPF_ALU | EBPF_MOV | BPF_K),
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.dst_reg = EBPF_REG_0,
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.imm = 1,
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},
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{
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.code = (BPF_JMP | EBPF_EXIT),
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},
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};
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/* load test-cases */
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static const struct ebpf_insn test_load1_prog[] = {
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{
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.code = (BPF_LDX | BPF_MEM | BPF_B),
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.dst_reg = EBPF_REG_2,
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.src_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_offset, u8),
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},
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{
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.code = (BPF_LDX | BPF_MEM | BPF_H),
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.dst_reg = EBPF_REG_3,
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.src_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_offset, u16),
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},
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{
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.code = (BPF_LDX | BPF_MEM | BPF_W),
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.dst_reg = EBPF_REG_4,
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.src_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_offset, u32),
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},
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{
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.code = (BPF_LDX | BPF_MEM | EBPF_DW),
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.dst_reg = EBPF_REG_0,
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.src_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_offset, u64),
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},
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/* return sum */
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{
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.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
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.dst_reg = EBPF_REG_0,
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.src_reg = EBPF_REG_4,
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},
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{
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.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
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.dst_reg = EBPF_REG_0,
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.src_reg = EBPF_REG_3,
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},
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{
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.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
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.dst_reg = EBPF_REG_0,
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.src_reg = EBPF_REG_2,
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},
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{
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.code = (BPF_JMP | EBPF_EXIT),
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},
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};
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static void
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test_load1_prepare(void *arg)
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{
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struct dummy_offset *df;
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df = arg;
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memset(df, 0, sizeof(*df));
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df->u64 = (int32_t)TEST_FILL_1;
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df->u32 = df->u64;
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df->u16 = df->u64;
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df->u8 = df->u64;
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}
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static int
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test_load1_check(uint64_t rc, const void *arg)
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{
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uint64_t v;
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const struct dummy_offset *dft;
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dft = arg;
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v = dft->u64;
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v += dft->u32;
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v += dft->u16;
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v += dft->u8;
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return cmp_res(__func__, v, rc, dft, dft, sizeof(*dft));
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}
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/* load immediate test-cases */
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static const struct ebpf_insn test_ldimm1_prog[] = {
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{
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.code = (BPF_LD | BPF_IMM | EBPF_DW),
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.dst_reg = EBPF_REG_0,
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.imm = (uint32_t)TEST_IMM_1,
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},
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{
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.imm = TEST_IMM_1 >> 32,
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},
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{
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.code = (BPF_LD | BPF_IMM | EBPF_DW),
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.dst_reg = EBPF_REG_3,
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.imm = (uint32_t)TEST_IMM_2,
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},
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{
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.imm = TEST_IMM_2 >> 32,
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},
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{
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.code = (BPF_LD | BPF_IMM | EBPF_DW),
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.dst_reg = EBPF_REG_5,
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.imm = (uint32_t)TEST_IMM_3,
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},
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{
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.imm = TEST_IMM_3 >> 32,
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},
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{
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.code = (BPF_LD | BPF_IMM | EBPF_DW),
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.dst_reg = EBPF_REG_7,
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.imm = (uint32_t)TEST_IMM_4,
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},
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{
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.imm = TEST_IMM_4 >> 32,
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},
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{
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.code = (BPF_LD | BPF_IMM | EBPF_DW),
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.dst_reg = EBPF_REG_9,
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.imm = (uint32_t)TEST_IMM_5,
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},
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{
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.imm = TEST_IMM_5 >> 32,
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},
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/* return sum */
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{
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.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
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.dst_reg = EBPF_REG_0,
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.src_reg = EBPF_REG_3,
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},
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{
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.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
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.dst_reg = EBPF_REG_0,
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.src_reg = EBPF_REG_5,
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},
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{
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.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
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.dst_reg = EBPF_REG_0,
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.src_reg = EBPF_REG_7,
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},
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{
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.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
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.dst_reg = EBPF_REG_0,
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.src_reg = EBPF_REG_9,
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},
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{
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.code = (BPF_JMP | EBPF_EXIT),
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},
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};
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static int
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test_ldimm1_check(uint64_t rc, const void *arg)
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{
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uint64_t v1, v2;
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v1 = TEST_IMM_1;
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v2 = TEST_IMM_2;
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v1 += v2;
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v2 = TEST_IMM_3;
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v1 += v2;
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v2 = TEST_IMM_4;
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v1 += v2;
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v2 = TEST_IMM_5;
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v1 += v2;
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return cmp_res(__func__, v1, rc, arg, arg, 0);
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}
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/* alu mul test-cases */
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static const struct ebpf_insn test_mul1_prog[] = {
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{
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.code = (BPF_LDX | BPF_MEM | BPF_W),
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.dst_reg = EBPF_REG_2,
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.src_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_vect8, in[0].u32),
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},
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{
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.code = (BPF_LDX | BPF_MEM | EBPF_DW),
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.dst_reg = EBPF_REG_3,
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.src_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_vect8, in[1].u64),
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},
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{
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.code = (BPF_LDX | BPF_MEM | BPF_W),
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.dst_reg = EBPF_REG_4,
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.src_reg = EBPF_REG_1,
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.off = offsetof(struct dummy_vect8, in[2].u32),
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},
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{
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.code = (BPF_ALU | BPF_MUL | BPF_K),
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.dst_reg = EBPF_REG_2,
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.imm = TEST_MUL_1,
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},
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{
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.code = (EBPF_ALU64 | BPF_MUL | BPF_K),
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.dst_reg = EBPF_REG_3,
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.imm = TEST_MUL_2,
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},
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{
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.code = (BPF_ALU | BPF_MUL | BPF_X),
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.dst_reg = EBPF_REG_4,
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.src_reg = EBPF_REG_2,
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},
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{
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.code = (EBPF_ALU64 | BPF_MUL | BPF_X),
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.dst_reg = EBPF_REG_4,
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.src_reg = EBPF_REG_3,
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},
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{
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.code = (BPF_STX | BPF_MEM | EBPF_DW),
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.dst_reg = EBPF_REG_1,
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.src_reg = EBPF_REG_2,
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.off = offsetof(struct dummy_vect8, out[0].u64),
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},
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{
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.code = (BPF_STX | BPF_MEM | EBPF_DW),
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.dst_reg = EBPF_REG_1,
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.src_reg = EBPF_REG_3,
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.off = offsetof(struct dummy_vect8, out[1].u64),
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},
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{
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.code = (BPF_STX | BPF_MEM | EBPF_DW),
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.dst_reg = EBPF_REG_1,
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.src_reg = EBPF_REG_4,
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.off = offsetof(struct dummy_vect8, out[2].u64),
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},
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/* return 1 */
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{
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.code = (BPF_ALU | EBPF_MOV | BPF_K),
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.dst_reg = EBPF_REG_0,
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.imm = 1,
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},
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{
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.code = (BPF_JMP | EBPF_EXIT),
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},
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};
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static void
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test_mul1_prepare(void *arg)
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{
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struct dummy_vect8 *dv;
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uint64_t v;
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dv = arg;
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v = rte_rand();
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memset(dv, 0, sizeof(*dv));
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dv->in[0].u32 = v;
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dv->in[1].u64 = v << 12 | v >> 6;
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dv->in[2].u32 = -v;
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}
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static int
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test_mul1_check(uint64_t rc, const void *arg)
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{
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uint64_t r2, r3, r4;
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const struct dummy_vect8 *dvt;
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struct dummy_vect8 dve;
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dvt = arg;
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memset(&dve, 0, sizeof(dve));
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r2 = dvt->in[0].u32;
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r3 = dvt->in[1].u64;
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r4 = dvt->in[2].u32;
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r2 = (uint32_t)r2 * TEST_MUL_1;
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r3 *= TEST_MUL_2;
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r4 = (uint32_t)(r4 * r2);
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r4 *= r3;
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dve.out[0].u64 = r2;
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dve.out[1].u64 = r3;
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dve.out[2].u64 = r4;
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return cmp_res(__func__, 1, rc, dve.out, dvt->out, sizeof(dve.out));
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}
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/* alu shift test-cases */
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static const struct ebpf_insn test_shift1_prog[] = {
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|
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{
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.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));
|
|
}
|
|
|
|
/* Jump test case - check ip4_dest in particular subnet */
|
|
static const struct ebpf_insn test_jump2_prog[] = {
|
|
|
|
[0] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_2,
|
|
.imm = 0xe,
|
|
},
|
|
[1] = {
|
|
.code = (BPF_LDX | BPF_MEM | BPF_H),
|
|
.dst_reg = EBPF_REG_3,
|
|
.src_reg = EBPF_REG_1,
|
|
.off = 12,
|
|
},
|
|
[2] = {
|
|
.code = (BPF_JMP | EBPF_JNE | BPF_K),
|
|
.dst_reg = EBPF_REG_3,
|
|
.off = 2,
|
|
.imm = 0x81,
|
|
},
|
|
[3] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_2,
|
|
.imm = 0x12,
|
|
},
|
|
[4] = {
|
|
.code = (BPF_LDX | BPF_MEM | BPF_H),
|
|
.dst_reg = EBPF_REG_3,
|
|
.src_reg = EBPF_REG_1,
|
|
.off = 16,
|
|
},
|
|
[5] = {
|
|
.code = (EBPF_ALU64 | BPF_AND | BPF_K),
|
|
.dst_reg = EBPF_REG_3,
|
|
.imm = 0xffff,
|
|
},
|
|
[6] = {
|
|
.code = (BPF_JMP | EBPF_JNE | BPF_K),
|
|
.dst_reg = EBPF_REG_3,
|
|
.off = 9,
|
|
.imm = 0x8,
|
|
},
|
|
[7] = {
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_2,
|
|
},
|
|
[8] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_0,
|
|
.imm = 0,
|
|
},
|
|
[9] = {
|
|
.code = (BPF_LDX | BPF_MEM | BPF_W),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_1,
|
|
.off = 16,
|
|
},
|
|
[10] = {
|
|
.code = (BPF_ALU | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_3,
|
|
.imm = TEST_NETMASK,
|
|
},
|
|
[11] = {
|
|
.code = (BPF_ALU | EBPF_END | EBPF_TO_BE),
|
|
.dst_reg = EBPF_REG_3,
|
|
.imm = sizeof(uint32_t) * CHAR_BIT,
|
|
},
|
|
[12] = {
|
|
.code = (BPF_ALU | BPF_AND | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_3,
|
|
},
|
|
[13] = {
|
|
.code = (BPF_ALU | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_3,
|
|
.imm = TEST_SUBNET,
|
|
},
|
|
[14] = {
|
|
.code = (BPF_ALU | EBPF_END | EBPF_TO_BE),
|
|
.dst_reg = EBPF_REG_3,
|
|
.imm = sizeof(uint32_t) * CHAR_BIT,
|
|
},
|
|
[15] = {
|
|
.code = (BPF_JMP | BPF_JEQ | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_3,
|
|
.off = 1,
|
|
},
|
|
[16] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_0,
|
|
.imm = -1,
|
|
},
|
|
[17] = {
|
|
.code = (BPF_JMP | EBPF_EXIT),
|
|
},
|
|
};
|
|
|
|
/* Preparing a vlan packet */
|
|
static void
|
|
test_jump2_prepare(void *arg)
|
|
{
|
|
struct dummy_net *dn;
|
|
|
|
dn = arg;
|
|
memset(dn, 0, sizeof(*dn));
|
|
|
|
/*
|
|
* Initialize ether header.
|
|
*/
|
|
rte_ether_addr_copy((struct rte_ether_addr *)dst_mac,
|
|
&dn->eth_hdr.d_addr);
|
|
rte_ether_addr_copy((struct rte_ether_addr *)src_mac,
|
|
&dn->eth_hdr.s_addr);
|
|
dn->eth_hdr.ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN);
|
|
|
|
/*
|
|
* Initialize vlan header.
|
|
*/
|
|
dn->vlan_hdr.eth_proto = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
|
|
dn->vlan_hdr.vlan_tci = 32;
|
|
|
|
/*
|
|
* Initialize IP header.
|
|
*/
|
|
dn->ip_hdr.version_ihl = 0x45; /*IP_VERSION | IP_HDRLEN*/
|
|
dn->ip_hdr.time_to_live = 64; /* IP_DEFTTL */
|
|
dn->ip_hdr.next_proto_id = IPPROTO_TCP;
|
|
dn->ip_hdr.packet_id = rte_cpu_to_be_16(0x463c);
|
|
dn->ip_hdr.total_length = rte_cpu_to_be_16(60);
|
|
dn->ip_hdr.src_addr = rte_cpu_to_be_32(ip_src_addr);
|
|
dn->ip_hdr.dst_addr = rte_cpu_to_be_32(ip_dst_addr);
|
|
}
|
|
|
|
static int
|
|
test_jump2_check(uint64_t rc, const void *arg)
|
|
{
|
|
const struct rte_ether_hdr *eth_hdr = arg;
|
|
const struct rte_ipv4_hdr *ipv4_hdr;
|
|
const void *next = eth_hdr;
|
|
uint16_t eth_type;
|
|
uint64_t v = -1;
|
|
|
|
if (eth_hdr->ether_type == htons(0x8100)) {
|
|
const struct rte_vlan_hdr *vlan_hdr =
|
|
(const void *)(eth_hdr + 1);
|
|
eth_type = vlan_hdr->eth_proto;
|
|
next = vlan_hdr + 1;
|
|
} else {
|
|
eth_type = eth_hdr->ether_type;
|
|
next = eth_hdr + 1;
|
|
}
|
|
|
|
if (eth_type == htons(0x0800)) {
|
|
ipv4_hdr = next;
|
|
if ((ipv4_hdr->dst_addr & rte_cpu_to_be_32(TEST_NETMASK)) ==
|
|
rte_cpu_to_be_32(TEST_SUBNET)) {
|
|
v = 0;
|
|
}
|
|
}
|
|
|
|
return cmp_res(__func__, v, rc, arg, arg, sizeof(arg));
|
|
}
|
|
|
|
/* 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 = {
|
|
.val = (void *)dummy_func1,
|
|
.nb_args = 3,
|
|
.args = {
|
|
[0] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_offset),
|
|
},
|
|
[1] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(uint32_t),
|
|
},
|
|
[2] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(uint64_t),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
};
|
|
|
|
static const struct ebpf_insn test_call2_prog[] = {
|
|
|
|
{
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_10,
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = -(int32_t)sizeof(struct dummy_offset),
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_2,
|
|
.src_reg = EBPF_REG_10,
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_K),
|
|
.dst_reg = EBPF_REG_2,
|
|
.imm = -2 * (int32_t)sizeof(struct dummy_offset),
|
|
},
|
|
{
|
|
.code = (BPF_JMP | EBPF_CALL),
|
|
.imm = 0,
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | EBPF_DW),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_10,
|
|
.off = -(int32_t)(sizeof(struct dummy_offset) -
|
|
offsetof(struct dummy_offset, u64)),
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_W),
|
|
.dst_reg = EBPF_REG_0,
|
|
.src_reg = EBPF_REG_10,
|
|
.off = -(int32_t)(sizeof(struct dummy_offset) -
|
|
offsetof(struct dummy_offset, u32)),
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
|
|
.dst_reg = EBPF_REG_0,
|
|
.src_reg = EBPF_REG_1,
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_H),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_10,
|
|
.off = -(int32_t)(2 * sizeof(struct dummy_offset) -
|
|
offsetof(struct dummy_offset, u16)),
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
|
|
.dst_reg = EBPF_REG_0,
|
|
.src_reg = EBPF_REG_1,
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_10,
|
|
.off = -(int32_t)(2 * sizeof(struct dummy_offset) -
|
|
offsetof(struct dummy_offset, u8)),
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_X),
|
|
.dst_reg = EBPF_REG_0,
|
|
.src_reg = EBPF_REG_1,
|
|
},
|
|
{
|
|
.code = (BPF_JMP | EBPF_EXIT),
|
|
},
|
|
|
|
};
|
|
|
|
static void
|
|
dummy_func2(struct dummy_offset *a, struct dummy_offset *b)
|
|
{
|
|
uint64_t v;
|
|
|
|
v = 0;
|
|
a->u64 = v++;
|
|
a->u32 = v++;
|
|
a->u16 = v++;
|
|
a->u8 = v++;
|
|
b->u64 = v++;
|
|
b->u32 = v++;
|
|
b->u16 = v++;
|
|
b->u8 = v++;
|
|
}
|
|
|
|
static int
|
|
test_call2_check(uint64_t rc, const void *arg)
|
|
{
|
|
uint64_t v;
|
|
struct dummy_offset a, b;
|
|
|
|
RTE_SET_USED(arg);
|
|
|
|
dummy_func2(&a, &b);
|
|
v = a.u64 + a.u32 + b.u16 + b.u8;
|
|
|
|
if (v != rc) {
|
|
printf("%s@%d: invalid return value "
|
|
"expected=0x%" PRIx64 ", actual=0x%" PRIx64 "\n",
|
|
__func__, __LINE__, v, rc);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const struct rte_bpf_xsym test_call2_xsym[] = {
|
|
{
|
|
.name = RTE_STR(dummy_func2),
|
|
.type = RTE_BPF_XTYPE_FUNC,
|
|
.func = {
|
|
.val = (void *)dummy_func2,
|
|
.nb_args = 2,
|
|
.args = {
|
|
[0] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_offset),
|
|
},
|
|
[1] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_offset),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
};
|
|
|
|
static const struct ebpf_insn test_call3_prog[] = {
|
|
|
|
{
|
|
.code = (BPF_JMP | EBPF_CALL),
|
|
.imm = 0,
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_2,
|
|
.src_reg = EBPF_REG_0,
|
|
.off = offsetof(struct dummy_offset, u8),
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_H),
|
|
.dst_reg = EBPF_REG_3,
|
|
.src_reg = EBPF_REG_0,
|
|
.off = offsetof(struct dummy_offset, u16),
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_W),
|
|
.dst_reg = EBPF_REG_4,
|
|
.src_reg = EBPF_REG_0,
|
|
.off = offsetof(struct dummy_offset, u32),
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | EBPF_DW),
|
|
.dst_reg = EBPF_REG_0,
|
|
.src_reg = EBPF_REG_0,
|
|
.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 const struct dummy_offset *
|
|
dummy_func3(const struct dummy_vect8 *p)
|
|
{
|
|
return &p->in[RTE_DIM(p->in) - 1];
|
|
}
|
|
|
|
static void
|
|
test_call3_prepare(void *arg)
|
|
{
|
|
struct dummy_vect8 *pv;
|
|
struct dummy_offset *df;
|
|
|
|
pv = arg;
|
|
df = (struct dummy_offset *)(uintptr_t)dummy_func3(pv);
|
|
|
|
memset(pv, 0, sizeof(*pv));
|
|
df->u64 = (int32_t)TEST_FILL_1;
|
|
df->u32 = df->u64;
|
|
df->u16 = df->u64;
|
|
df->u8 = df->u64;
|
|
}
|
|
|
|
static int
|
|
test_call3_check(uint64_t rc, const void *arg)
|
|
{
|
|
uint64_t v;
|
|
const struct dummy_vect8 *pv;
|
|
const struct dummy_offset *dft;
|
|
|
|
pv = arg;
|
|
dft = dummy_func3(pv);
|
|
|
|
v = dft->u64;
|
|
v += dft->u32;
|
|
v += dft->u16;
|
|
v += dft->u8;
|
|
|
|
return cmp_res(__func__, v, rc, pv, pv, sizeof(*pv));
|
|
}
|
|
|
|
static const struct rte_bpf_xsym test_call3_xsym[] = {
|
|
{
|
|
.name = RTE_STR(dummy_func3),
|
|
.type = RTE_BPF_XTYPE_FUNC,
|
|
.func = {
|
|
.val = (void *)dummy_func3,
|
|
.nb_args = 1,
|
|
.args = {
|
|
[0] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_vect8),
|
|
},
|
|
},
|
|
.ret = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_offset),
|
|
},
|
|
},
|
|
},
|
|
};
|
|
|
|
/* Test for stack corruption in multiple function calls */
|
|
static const struct ebpf_insn test_call4_prog[] = {
|
|
{
|
|
.code = (BPF_ST | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_10,
|
|
.off = -4,
|
|
.imm = 1,
|
|
},
|
|
{
|
|
.code = (BPF_ST | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_10,
|
|
.off = -3,
|
|
.imm = 2,
|
|
},
|
|
{
|
|
.code = (BPF_ST | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_10,
|
|
.off = -2,
|
|
.imm = 3,
|
|
},
|
|
{
|
|
.code = (BPF_ST | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_10,
|
|
.off = -1,
|
|
.imm = 4,
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_10,
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_2,
|
|
.imm = 4,
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | BPF_SUB | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_2,
|
|
},
|
|
{
|
|
.code = (BPF_JMP | EBPF_CALL),
|
|
.imm = 0,
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_10,
|
|
.off = -4,
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_2,
|
|
.src_reg = EBPF_REG_10,
|
|
.off = -3,
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_3,
|
|
.src_reg = EBPF_REG_10,
|
|
.off = -2,
|
|
},
|
|
{
|
|
.code = (BPF_LDX | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_4,
|
|
.src_reg = EBPF_REG_10,
|
|
.off = -1,
|
|
},
|
|
{
|
|
.code = (BPF_JMP | EBPF_CALL),
|
|
.imm = 1,
|
|
},
|
|
{
|
|
.code = (EBPF_ALU64 | BPF_XOR | BPF_K),
|
|
.dst_reg = EBPF_REG_0,
|
|
.imm = TEST_MEMFROB,
|
|
},
|
|
{
|
|
.code = (BPF_JMP | EBPF_EXIT),
|
|
},
|
|
};
|
|
|
|
/* Gathering the bytes together */
|
|
static uint32_t
|
|
dummy_func4_1(uint8_t a, uint8_t b, uint8_t c, uint8_t d)
|
|
{
|
|
return (a << 24) | (b << 16) | (c << 8) | (d << 0);
|
|
}
|
|
|
|
/* Implementation of memfrob */
|
|
static uint32_t
|
|
dummy_func4_0(uint32_t *s, uint8_t n)
|
|
{
|
|
char *p = (char *) s;
|
|
while (n-- > 0)
|
|
*p++ ^= 42;
|
|
return *s;
|
|
}
|
|
|
|
|
|
static int
|
|
test_call4_check(uint64_t rc, const void *arg)
|
|
{
|
|
uint8_t a[4] = {1, 2, 3, 4};
|
|
uint32_t s, v = 0;
|
|
|
|
RTE_SET_USED(arg);
|
|
|
|
s = dummy_func4_0((uint32_t *)a, 4);
|
|
|
|
s = dummy_func4_1(a[0], a[1], a[2], a[3]);
|
|
|
|
v = s ^ TEST_MEMFROB;
|
|
|
|
return cmp_res(__func__, v, rc, &v, &rc, sizeof(v));
|
|
}
|
|
|
|
static const struct rte_bpf_xsym test_call4_xsym[] = {
|
|
[0] = {
|
|
.name = RTE_STR(dummy_func4_0),
|
|
.type = RTE_BPF_XTYPE_FUNC,
|
|
.func = {
|
|
.val = (void *)dummy_func4_0,
|
|
.nb_args = 2,
|
|
.args = {
|
|
[0] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = 4 * sizeof(uint8_t),
|
|
},
|
|
[1] = {
|
|
.type = RTE_BPF_ARG_RAW,
|
|
.size = sizeof(uint8_t),
|
|
},
|
|
},
|
|
.ret = {
|
|
.type = RTE_BPF_ARG_RAW,
|
|
.size = sizeof(uint32_t),
|
|
},
|
|
},
|
|
},
|
|
[1] = {
|
|
.name = RTE_STR(dummy_func4_1),
|
|
.type = RTE_BPF_XTYPE_FUNC,
|
|
.func = {
|
|
.val = (void *)dummy_func4_1,
|
|
.nb_args = 4,
|
|
.args = {
|
|
[0] = {
|
|
.type = RTE_BPF_ARG_RAW,
|
|
.size = sizeof(uint8_t),
|
|
},
|
|
[1] = {
|
|
.type = RTE_BPF_ARG_RAW,
|
|
.size = sizeof(uint8_t),
|
|
},
|
|
[2] = {
|
|
.type = RTE_BPF_ARG_RAW,
|
|
.size = sizeof(uint8_t),
|
|
},
|
|
[3] = {
|
|
.type = RTE_BPF_ARG_RAW,
|
|
.size = sizeof(uint8_t),
|
|
},
|
|
},
|
|
.ret = {
|
|
.type = RTE_BPF_ARG_RAW,
|
|
.size = sizeof(uint32_t),
|
|
},
|
|
},
|
|
},
|
|
};
|
|
|
|
/* string compare test case */
|
|
static const struct ebpf_insn test_call5_prog[] = {
|
|
|
|
[0] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = STRING_GEEK,
|
|
},
|
|
[1] = {
|
|
.code = (BPF_STX | BPF_MEM | BPF_W),
|
|
.dst_reg = EBPF_REG_10,
|
|
.src_reg = EBPF_REG_1,
|
|
.off = -8,
|
|
},
|
|
[2] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_6,
|
|
.imm = 0,
|
|
},
|
|
[3] = {
|
|
.code = (BPF_STX | BPF_MEM | BPF_B),
|
|
.dst_reg = EBPF_REG_10,
|
|
.src_reg = EBPF_REG_6,
|
|
.off = -4,
|
|
},
|
|
[4] = {
|
|
.code = (BPF_STX | BPF_MEM | BPF_W),
|
|
.dst_reg = EBPF_REG_10,
|
|
.src_reg = EBPF_REG_6,
|
|
.off = -12,
|
|
},
|
|
[5] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = STRING_WEEK,
|
|
},
|
|
[6] = {
|
|
.code = (BPF_STX | BPF_MEM | BPF_W),
|
|
.dst_reg = EBPF_REG_10,
|
|
.src_reg = EBPF_REG_1,
|
|
.off = -16,
|
|
},
|
|
[7] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_10,
|
|
},
|
|
[8] = {
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = -8,
|
|
},
|
|
[9] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_2,
|
|
.src_reg = EBPF_REG_1,
|
|
},
|
|
[10] = {
|
|
.code = (BPF_JMP | EBPF_CALL),
|
|
.imm = 0,
|
|
},
|
|
[11] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_0,
|
|
},
|
|
[12] = {
|
|
.code = (BPF_ALU | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_0,
|
|
.imm = -1,
|
|
},
|
|
[13] = {
|
|
.code = (EBPF_ALU64 | BPF_LSH | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = 0x20,
|
|
},
|
|
[14] = {
|
|
.code = (EBPF_ALU64 | BPF_RSH | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = 0x20,
|
|
},
|
|
[15] = {
|
|
.code = (BPF_JMP | EBPF_JNE | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.off = 11,
|
|
.imm = 0,
|
|
},
|
|
[16] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_10,
|
|
},
|
|
[17] = {
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = -8,
|
|
},
|
|
[18] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_2,
|
|
.src_reg = EBPF_REG_10,
|
|
},
|
|
[19] = {
|
|
.code = (EBPF_ALU64 | BPF_ADD | BPF_K),
|
|
.dst_reg = EBPF_REG_2,
|
|
.imm = -16,
|
|
},
|
|
[20] = {
|
|
.code = (BPF_JMP | EBPF_CALL),
|
|
.imm = 0,
|
|
},
|
|
[21] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_0,
|
|
},
|
|
[22] = {
|
|
.code = (EBPF_ALU64 | BPF_LSH | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = 0x20,
|
|
},
|
|
[23] = {
|
|
.code = (EBPF_ALU64 | BPF_RSH | BPF_K),
|
|
.dst_reg = EBPF_REG_1,
|
|
.imm = 0x20,
|
|
},
|
|
[24] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_X),
|
|
.dst_reg = EBPF_REG_0,
|
|
.src_reg = EBPF_REG_1,
|
|
},
|
|
[25] = {
|
|
.code = (BPF_JMP | BPF_JEQ | BPF_X),
|
|
.dst_reg = EBPF_REG_1,
|
|
.src_reg = EBPF_REG_6,
|
|
.off = 1,
|
|
},
|
|
[26] = {
|
|
.code = (EBPF_ALU64 | EBPF_MOV | BPF_K),
|
|
.dst_reg = EBPF_REG_0,
|
|
.imm = 0,
|
|
},
|
|
[27] = {
|
|
.code = (BPF_JMP | EBPF_EXIT),
|
|
},
|
|
};
|
|
|
|
/* String comparision impelementation, return 0 if equal else difference */
|
|
static uint32_t
|
|
dummy_func5(const char *s1, const char *s2)
|
|
{
|
|
while (*s1 && (*s1 == *s2)) {
|
|
s1++;
|
|
s2++;
|
|
}
|
|
return *(const unsigned char *)s1 - *(const unsigned char *)s2;
|
|
}
|
|
|
|
static int
|
|
test_call5_check(uint64_t rc, const void *arg)
|
|
{
|
|
char a[] = "geek";
|
|
char b[] = "week";
|
|
uint32_t v;
|
|
|
|
RTE_SET_USED(arg);
|
|
|
|
v = dummy_func5(a, a);
|
|
if (v != 0) {
|
|
v = -1;
|
|
goto fail;
|
|
}
|
|
|
|
v = dummy_func5(a, b);
|
|
if (v == 0)
|
|
goto fail;
|
|
|
|
v = 0;
|
|
|
|
fail:
|
|
|
|
return cmp_res(__func__, v, rc, &v, &rc, sizeof(v));
|
|
}
|
|
|
|
static const struct rte_bpf_xsym test_call5_xsym[] = {
|
|
[0] = {
|
|
.name = RTE_STR(dummy_func5),
|
|
.type = RTE_BPF_XTYPE_FUNC,
|
|
.func = {
|
|
.val = (void *)dummy_func5,
|
|
.nb_args = 2,
|
|
.args = {
|
|
[0] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(char),
|
|
},
|
|
[1] = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(char),
|
|
},
|
|
},
|
|
.ret = {
|
|
.type = RTE_BPF_ARG_RAW,
|
|
.size = sizeof(uint32_t),
|
|
},
|
|
},
|
|
},
|
|
};
|
|
|
|
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_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 = {
|
|
.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_jump2",
|
|
.arg_sz = sizeof(struct dummy_net),
|
|
.prm = {
|
|
.ins = test_jump2_prog,
|
|
.nb_ins = RTE_DIM(test_jump2_prog),
|
|
.prog_arg = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_net),
|
|
},
|
|
},
|
|
.prepare = test_jump2_prepare,
|
|
.check_result = test_jump2_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)),
|
|
},
|
|
{
|
|
.name = "test_call2",
|
|
.arg_sz = sizeof(struct dummy_offset),
|
|
.prm = {
|
|
.ins = test_call2_prog,
|
|
.nb_ins = RTE_DIM(test_call2_prog),
|
|
.prog_arg = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_offset),
|
|
},
|
|
.xsym = test_call2_xsym,
|
|
.nb_xsym = RTE_DIM(test_call2_xsym),
|
|
},
|
|
.prepare = test_store1_prepare,
|
|
.check_result = test_call2_check,
|
|
/* for now don't support function calls on 32 bit platform */
|
|
.allow_fail = (sizeof(uint64_t) != sizeof(uintptr_t)),
|
|
},
|
|
{
|
|
.name = "test_call3",
|
|
.arg_sz = sizeof(struct dummy_vect8),
|
|
.prm = {
|
|
.ins = test_call3_prog,
|
|
.nb_ins = RTE_DIM(test_call3_prog),
|
|
.prog_arg = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_vect8),
|
|
},
|
|
.xsym = test_call3_xsym,
|
|
.nb_xsym = RTE_DIM(test_call3_xsym),
|
|
},
|
|
.prepare = test_call3_prepare,
|
|
.check_result = test_call3_check,
|
|
/* for now don't support function calls on 32 bit platform */
|
|
.allow_fail = (sizeof(uint64_t) != sizeof(uintptr_t)),
|
|
},
|
|
{
|
|
.name = "test_call4",
|
|
.arg_sz = sizeof(struct dummy_offset),
|
|
.prm = {
|
|
.ins = test_call4_prog,
|
|
.nb_ins = RTE_DIM(test_call4_prog),
|
|
.prog_arg = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = 2 * sizeof(struct dummy_offset),
|
|
},
|
|
.xsym = test_call4_xsym,
|
|
.nb_xsym = RTE_DIM(test_call4_xsym),
|
|
},
|
|
.prepare = test_store1_prepare,
|
|
.check_result = test_call4_check,
|
|
/* for now don't support function calls on 32 bit platform */
|
|
.allow_fail = (sizeof(uint64_t) != sizeof(uintptr_t)),
|
|
},
|
|
{
|
|
.name = "test_call5",
|
|
.arg_sz = sizeof(struct dummy_offset),
|
|
.prm = {
|
|
.ins = test_call5_prog,
|
|
.nb_ins = RTE_DIM(test_call5_prog),
|
|
.prog_arg = {
|
|
.type = RTE_BPF_ARG_PTR,
|
|
.size = sizeof(struct dummy_offset),
|
|
},
|
|
.xsym = test_call5_xsym,
|
|
.nb_xsym = RTE_DIM(test_call5_xsym),
|
|
},
|
|
.prepare = test_store1_prepare,
|
|
.check_result = test_call5_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);
|