1989 lines
55 KiB
C
1989 lines
55 KiB
C
/*
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* Testsuite for BPF interpreter and BPF JIT compiler
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*
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* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/filter.h>
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#include <linux/skbuff.h>
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#include <linux/netdevice.h>
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#include <linux/if_vlan.h>
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/* General test specific settings */
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#define MAX_SUBTESTS 3
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#define MAX_TESTRUNS 10000
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#define MAX_DATA 128
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#define MAX_INSNS 512
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#define MAX_K 0xffffFFFF
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/* Few constants used to init test 'skb' */
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#define SKB_TYPE 3
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#define SKB_MARK 0x1234aaaa
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#define SKB_HASH 0x1234aaab
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#define SKB_QUEUE_MAP 123
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#define SKB_VLAN_TCI 0xffff
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#define SKB_DEV_IFINDEX 577
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#define SKB_DEV_TYPE 588
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/* Redefine REGs to make tests less verbose */
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#define R0 BPF_REG_0
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#define R1 BPF_REG_1
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#define R2 BPF_REG_2
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#define R3 BPF_REG_3
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#define R4 BPF_REG_4
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#define R5 BPF_REG_5
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#define R6 BPF_REG_6
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#define R7 BPF_REG_7
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#define R8 BPF_REG_8
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#define R9 BPF_REG_9
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#define R10 BPF_REG_10
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/* Flags that can be passed to test cases */
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#define FLAG_NO_DATA BIT(0)
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#define FLAG_EXPECTED_FAIL BIT(1)
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enum {
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CLASSIC = BIT(6), /* Old BPF instructions only. */
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INTERNAL = BIT(7), /* Extended instruction set. */
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};
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#define TEST_TYPE_MASK (CLASSIC | INTERNAL)
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struct bpf_test {
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const char *descr;
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union {
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struct sock_filter insns[MAX_INSNS];
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struct bpf_insn insns_int[MAX_INSNS];
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} u;
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__u8 aux;
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__u8 data[MAX_DATA];
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struct {
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int data_size;
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__u32 result;
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} test[MAX_SUBTESTS];
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};
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static struct bpf_test tests[] = {
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{
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"TAX",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_IMM, 1),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_ALU | BPF_NEG, 0), /* A == -3 */
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_LEN, 0),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_MISC | BPF_TAX, 0), /* X == len - 3 */
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BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ 10, 20, 30, 40, 50 },
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{ { 2, 10 }, { 3, 20 }, { 4, 30 } },
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},
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{
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"TXA",
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.u.insns = {
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BPF_STMT(BPF_LDX | BPF_LEN, 0),
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BPF_STMT(BPF_MISC | BPF_TXA, 0),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_RET | BPF_A, 0) /* A == len * 2 */
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},
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CLASSIC,
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{ 10, 20, 30, 40, 50 },
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{ { 1, 2 }, { 3, 6 }, { 4, 8 } },
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},
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{
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"ADD_SUB_MUL_K",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_IMM, 1),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 2),
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BPF_STMT(BPF_LDX | BPF_IMM, 3),
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BPF_STMT(BPF_ALU | BPF_SUB | BPF_X, 0),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 0xffffffff),
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BPF_STMT(BPF_ALU | BPF_MUL | BPF_K, 3),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC | FLAG_NO_DATA,
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{ },
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{ { 0, 0xfffffffd } }
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},
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{
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"DIV_KX",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_IMM, 8),
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BPF_STMT(BPF_ALU | BPF_DIV | BPF_K, 2),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_IMM, 0xffffffff),
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BPF_STMT(BPF_ALU | BPF_DIV | BPF_X, 0),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_IMM, 0xffffffff),
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BPF_STMT(BPF_ALU | BPF_DIV | BPF_K, 0x70000000),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC | FLAG_NO_DATA,
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{ },
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{ { 0, 0x40000001 } }
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},
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{
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"AND_OR_LSH_K",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_IMM, 0xff),
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BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xf0),
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BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 27),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_IMM, 0xf),
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BPF_STMT(BPF_ALU | BPF_OR | BPF_K, 0xf0),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC | FLAG_NO_DATA,
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{ },
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{ { 0, 0x800000ff }, { 1, 0x800000ff } },
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},
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{
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"LD_IMM_0",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_IMM, 0), /* ld #0 */
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BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, 1, 0),
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BPF_STMT(BPF_RET | BPF_K, 0),
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BPF_STMT(BPF_RET | BPF_K, 1),
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},
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CLASSIC,
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{ },
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{ { 1, 1 } },
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},
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{
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"LD_IND",
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.u.insns = {
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BPF_STMT(BPF_LDX | BPF_LEN, 0),
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BPF_STMT(BPF_LD | BPF_H | BPF_IND, MAX_K),
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BPF_STMT(BPF_RET | BPF_K, 1)
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},
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CLASSIC,
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{ },
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{ { 1, 0 }, { 10, 0 }, { 60, 0 } },
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},
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{
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"LD_ABS",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS, 1000),
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BPF_STMT(BPF_RET | BPF_K, 1)
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},
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CLASSIC,
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{ },
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{ { 1, 0 }, { 10, 0 }, { 60, 0 } },
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},
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{
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"LD_ABS_LL",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_B | BPF_ABS, SKF_LL_OFF),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_B | BPF_ABS, SKF_LL_OFF + 1),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ 1, 2, 3 },
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{ { 1, 0 }, { 2, 3 } },
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},
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{
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"LD_IND_LL",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_IMM, SKF_LL_OFF - 1),
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BPF_STMT(BPF_LDX | BPF_LEN, 0),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ 1, 2, 3, 0xff },
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{ { 1, 1 }, { 3, 3 }, { 4, 0xff } },
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},
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{
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"LD_ABS_NET",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_B | BPF_ABS, SKF_NET_OFF),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_B | BPF_ABS, SKF_NET_OFF + 1),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3 },
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{ { 15, 0 }, { 16, 3 } },
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},
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{
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"LD_IND_NET",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_IMM, SKF_NET_OFF - 15),
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BPF_STMT(BPF_LDX | BPF_LEN, 0),
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BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3 },
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{ { 14, 0 }, { 15, 1 }, { 17, 3 } },
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},
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{
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"LD_PKTTYPE",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_PKTTYPE),
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BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, SKB_TYPE, 1, 0),
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BPF_STMT(BPF_RET | BPF_K, 1),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_PKTTYPE),
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BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, SKB_TYPE, 1, 0),
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BPF_STMT(BPF_RET | BPF_K, 1),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_PKTTYPE),
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BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, SKB_TYPE, 1, 0),
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BPF_STMT(BPF_RET | BPF_K, 1),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{ { 1, 3 }, { 10, 3 } },
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},
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{
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"LD_MARK",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_MARK),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{ { 1, SKB_MARK}, { 10, SKB_MARK} },
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},
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{
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"LD_RXHASH",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_RXHASH),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{ { 1, SKB_HASH}, { 10, SKB_HASH} },
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},
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{
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"LD_QUEUE",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_QUEUE),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{ { 1, SKB_QUEUE_MAP }, { 10, SKB_QUEUE_MAP } },
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},
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{
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"LD_PROTOCOL",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 1),
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BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 20, 1, 0),
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BPF_STMT(BPF_RET | BPF_K, 0),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_PROTOCOL),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
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BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 30, 1, 0),
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BPF_STMT(BPF_RET | BPF_K, 0),
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BPF_STMT(BPF_MISC | BPF_TXA, 0),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ 10, 20, 30 },
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{ { 10, ETH_P_IP }, { 100, ETH_P_IP } },
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},
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{
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"LD_VLAN_TAG",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_VLAN_TAG),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{
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{ 1, SKB_VLAN_TCI & ~VLAN_TAG_PRESENT },
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{ 10, SKB_VLAN_TCI & ~VLAN_TAG_PRESENT }
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},
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},
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{
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"LD_VLAN_TAG_PRESENT",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_VLAN_TAG_PRESENT),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{
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{ 1, !!(SKB_VLAN_TCI & VLAN_TAG_PRESENT) },
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{ 10, !!(SKB_VLAN_TCI & VLAN_TAG_PRESENT) }
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},
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},
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{
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"LD_IFINDEX",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_IFINDEX),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{ { 1, SKB_DEV_IFINDEX }, { 10, SKB_DEV_IFINDEX } },
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},
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{
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"LD_HATYPE",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_HATYPE),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{ { 1, SKB_DEV_TYPE }, { 10, SKB_DEV_TYPE } },
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},
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{
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"LD_CPU",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_CPU),
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BPF_STMT(BPF_MISC | BPF_TAX, 0),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_CPU),
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BPF_STMT(BPF_ALU | BPF_SUB | BPF_X, 0),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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{ },
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{ { 1, 0 }, { 10, 0 } },
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},
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{
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"LD_NLATTR",
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.u.insns = {
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BPF_STMT(BPF_LDX | BPF_IMM, 2),
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BPF_STMT(BPF_MISC | BPF_TXA, 0),
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BPF_STMT(BPF_LDX | BPF_IMM, 3),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
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#ifdef __BIG_ENDIAN
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{ 0xff, 0xff, 0, 4, 0, 2, 0, 4, 0, 3 },
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#else
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{ 0xff, 0xff, 4, 0, 2, 0, 4, 0, 3, 0 },
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#endif
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{ { 4, 0 }, { 20, 6 } },
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},
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{
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"LD_NLATTR_NEST",
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.u.insns = {
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_LDX | BPF_IMM, 3),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR_NEST),
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR_NEST),
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR_NEST),
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR_NEST),
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR_NEST),
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR_NEST),
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR_NEST),
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BPF_STMT(BPF_LD | BPF_IMM, 2),
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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SKF_AD_OFF + SKF_AD_NLATTR_NEST),
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BPF_STMT(BPF_RET | BPF_A, 0)
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},
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CLASSIC,
|
|
#ifdef __BIG_ENDIAN
|
|
{ 0xff, 0xff, 0, 12, 0, 1, 0, 4, 0, 2, 0, 4, 0, 3 },
|
|
#else
|
|
{ 0xff, 0xff, 12, 0, 1, 0, 4, 0, 2, 0, 4, 0, 3, 0 },
|
|
#endif
|
|
{ { 4, 0 }, { 20, 10 } },
|
|
},
|
|
{
|
|
"LD_PAYLOAD_OFF",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
|
|
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
|
|
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
|
|
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
|
|
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
|
|
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
|
|
BPF_STMT(BPF_RET | BPF_A, 0)
|
|
},
|
|
CLASSIC,
|
|
/* 00:00:00:00:00:00 > 00:00:00:00:00:00, ethtype IPv4 (0x0800),
|
|
* length 98: 127.0.0.1 > 127.0.0.1: ICMP echo request,
|
|
* id 9737, seq 1, length 64
|
|
*/
|
|
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x08, 0x00,
|
|
0x45, 0x00, 0x00, 0x54, 0xac, 0x8b, 0x40, 0x00, 0x40,
|
|
0x01, 0x90, 0x1b, 0x7f, 0x00, 0x00, 0x01 },
|
|
{ { 30, 0 }, { 100, 42 } },
|
|
},
|
|
{
|
|
"LD_ANC_XOR",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LD | BPF_IMM, 10),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 300),
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
|
|
SKF_AD_OFF + SKF_AD_ALU_XOR_X),
|
|
BPF_STMT(BPF_RET | BPF_A, 0)
|
|
},
|
|
CLASSIC,
|
|
{ },
|
|
{ { 4, 10 ^ 300 }, { 20, 10 ^ 300 } },
|
|
},
|
|
{
|
|
"SPILL_FILL",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LDX | BPF_LEN, 0),
|
|
BPF_STMT(BPF_LD | BPF_IMM, 2),
|
|
BPF_STMT(BPF_ALU | BPF_RSH, 1),
|
|
BPF_STMT(BPF_ALU | BPF_XOR | BPF_X, 0),
|
|
BPF_STMT(BPF_ST, 1), /* M1 = 1 ^ len */
|
|
BPF_STMT(BPF_ALU | BPF_XOR | BPF_K, 0x80000000),
|
|
BPF_STMT(BPF_ST, 2), /* M2 = 1 ^ len ^ 0x80000000 */
|
|
BPF_STMT(BPF_STX, 15), /* M3 = len */
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 1),
|
|
BPF_STMT(BPF_LD | BPF_MEM, 2),
|
|
BPF_STMT(BPF_ALU | BPF_XOR | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 15),
|
|
BPF_STMT(BPF_ALU | BPF_XOR | BPF_X, 0),
|
|
BPF_STMT(BPF_RET | BPF_A, 0)
|
|
},
|
|
CLASSIC,
|
|
{ },
|
|
{ { 1, 0x80000001 }, { 2, 0x80000002 }, { 60, 0x80000000 ^ 60 } }
|
|
},
|
|
{
|
|
"JEQ",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LDX | BPF_LEN, 0),
|
|
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, 0, 1),
|
|
BPF_STMT(BPF_RET | BPF_K, 1),
|
|
BPF_STMT(BPF_RET | BPF_K, MAX_K)
|
|
},
|
|
CLASSIC,
|
|
{ 3, 3, 3, 3, 3 },
|
|
{ { 1, 0 }, { 3, 1 }, { 4, MAX_K } },
|
|
},
|
|
{
|
|
"JGT",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LDX | BPF_LEN, 0),
|
|
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
|
|
BPF_JUMP(BPF_JMP | BPF_JGT | BPF_X, 0, 0, 1),
|
|
BPF_STMT(BPF_RET | BPF_K, 1),
|
|
BPF_STMT(BPF_RET | BPF_K, MAX_K)
|
|
},
|
|
CLASSIC,
|
|
{ 4, 4, 4, 3, 3 },
|
|
{ { 2, 0 }, { 3, 1 }, { 4, MAX_K } },
|
|
},
|
|
{
|
|
"JGE",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LDX | BPF_LEN, 0),
|
|
BPF_STMT(BPF_LD | BPF_B | BPF_IND, MAX_K),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 1, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 10),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 2, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 20),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 3, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 30),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 4, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 40),
|
|
BPF_STMT(BPF_RET | BPF_K, MAX_K)
|
|
},
|
|
CLASSIC,
|
|
{ 1, 2, 3, 4, 5 },
|
|
{ { 1, 20 }, { 3, 40 }, { 5, MAX_K } },
|
|
},
|
|
{
|
|
"JSET",
|
|
.u.insns = {
|
|
BPF_JUMP(BPF_JMP | BPF_JA, 0, 0, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JA, 1, 1, 1),
|
|
BPF_JUMP(BPF_JMP | BPF_JA, 0, 0, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JA, 0, 0, 0),
|
|
BPF_STMT(BPF_LDX | BPF_LEN, 0),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_SUB | BPF_K, 4),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 1, 0, 1),
|
|
BPF_STMT(BPF_RET | BPF_K, 10),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0x80000000, 0, 1),
|
|
BPF_STMT(BPF_RET | BPF_K, 20),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 30),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 30),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 30),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 30),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 30),
|
|
BPF_STMT(BPF_RET | BPF_K, MAX_K)
|
|
},
|
|
CLASSIC,
|
|
{ 0, 0xAA, 0x55, 1 },
|
|
{ { 4, 10 }, { 5, 20 }, { 6, MAX_K } },
|
|
},
|
|
{
|
|
"tcpdump port 22",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 12),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x86dd, 0, 8), /* IPv6 */
|
|
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 20),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x84, 2, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x6, 1, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x11, 0, 17),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 54),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 14, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 56),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 12, 13),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0800, 0, 12), /* IPv4 */
|
|
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 23),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x84, 2, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x6, 1, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x11, 0, 8),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 20),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0x1fff, 6, 0),
|
|
BPF_STMT(BPF_LDX | BPF_B | BPF_MSH, 14),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_IND, 14),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 2, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_IND, 16),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 0, 1),
|
|
BPF_STMT(BPF_RET | BPF_K, 0xffff),
|
|
BPF_STMT(BPF_RET | BPF_K, 0),
|
|
},
|
|
CLASSIC,
|
|
/* 3c:07:54:43:e5:76 > 10:bf:48:d6:43:d6, ethertype IPv4(0x0800)
|
|
* length 114: 10.1.1.149.49700 > 10.1.2.10.22: Flags [P.],
|
|
* seq 1305692979:1305693027, ack 3650467037, win 65535,
|
|
* options [nop,nop,TS val 2502645400 ecr 3971138], length 48
|
|
*/
|
|
{ 0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6,
|
|
0x3c, 0x07, 0x54, 0x43, 0xe5, 0x76,
|
|
0x08, 0x00,
|
|
0x45, 0x10, 0x00, 0x64, 0x75, 0xb5,
|
|
0x40, 0x00, 0x40, 0x06, 0xad, 0x2e, /* IP header */
|
|
0x0a, 0x01, 0x01, 0x95, /* ip src */
|
|
0x0a, 0x01, 0x02, 0x0a, /* ip dst */
|
|
0xc2, 0x24,
|
|
0x00, 0x16 /* dst port */ },
|
|
{ { 10, 0 }, { 30, 0 }, { 100, 65535 } },
|
|
},
|
|
{
|
|
"tcpdump complex",
|
|
.u.insns = {
|
|
/* tcpdump -nei eth0 'tcp port 22 and (((ip[2:2] -
|
|
* ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0) and
|
|
* (len > 115 or len < 30000000000)' -d
|
|
*/
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 12),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x86dd, 30, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x800, 0, 29),
|
|
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 23),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x6, 0, 27),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 20),
|
|
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0x1fff, 25, 0),
|
|
BPF_STMT(BPF_LDX | BPF_B | BPF_MSH, 14),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_IND, 14),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 2, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_IND, 16),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 0, 20),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 16),
|
|
BPF_STMT(BPF_ST, 1),
|
|
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 14),
|
|
BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xf),
|
|
BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 2),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0x5), /* libpcap emits K on TAX */
|
|
BPF_STMT(BPF_LD | BPF_MEM, 1),
|
|
BPF_STMT(BPF_ALU | BPF_SUB | BPF_X, 0),
|
|
BPF_STMT(BPF_ST, 5),
|
|
BPF_STMT(BPF_LDX | BPF_B | BPF_MSH, 14),
|
|
BPF_STMT(BPF_LD | BPF_B | BPF_IND, 26),
|
|
BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xf0),
|
|
BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 2),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0x9), /* libpcap emits K on TAX */
|
|
BPF_STMT(BPF_LD | BPF_MEM, 5),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, 4, 0),
|
|
BPF_STMT(BPF_LD | BPF_LEN, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JGT | BPF_K, 0x73, 1, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 0xfc23ac00, 1, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 0xffff),
|
|
BPF_STMT(BPF_RET | BPF_K, 0),
|
|
},
|
|
CLASSIC,
|
|
{ 0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6,
|
|
0x3c, 0x07, 0x54, 0x43, 0xe5, 0x76,
|
|
0x08, 0x00,
|
|
0x45, 0x10, 0x00, 0x64, 0x75, 0xb5,
|
|
0x40, 0x00, 0x40, 0x06, 0xad, 0x2e, /* IP header */
|
|
0x0a, 0x01, 0x01, 0x95, /* ip src */
|
|
0x0a, 0x01, 0x02, 0x0a, /* ip dst */
|
|
0xc2, 0x24,
|
|
0x00, 0x16 /* dst port */ },
|
|
{ { 10, 0 }, { 30, 0 }, { 100, 65535 } },
|
|
},
|
|
{
|
|
"RET_A",
|
|
.u.insns = {
|
|
/* check that unitialized X and A contain zeros */
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_RET | BPF_A, 0)
|
|
},
|
|
CLASSIC,
|
|
{ },
|
|
{ {1, 0}, {2, 0} },
|
|
},
|
|
{
|
|
"INT: ADD trivial",
|
|
.u.insns_int = {
|
|
BPF_ALU64_IMM(BPF_MOV, R1, 1),
|
|
BPF_ALU64_IMM(BPF_ADD, R1, 2),
|
|
BPF_ALU64_IMM(BPF_MOV, R2, 3),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R2),
|
|
BPF_ALU64_IMM(BPF_ADD, R1, -1),
|
|
BPF_ALU64_IMM(BPF_MUL, R1, 3),
|
|
BPF_ALU64_REG(BPF_MOV, R0, R1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 0xfffffffd } }
|
|
},
|
|
{
|
|
"INT: MUL_X",
|
|
.u.insns_int = {
|
|
BPF_ALU64_IMM(BPF_MOV, R0, -1),
|
|
BPF_ALU64_IMM(BPF_MOV, R1, -1),
|
|
BPF_ALU64_IMM(BPF_MOV, R2, 3),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R2),
|
|
BPF_JMP_IMM(BPF_JEQ, R1, 0xfffffffd, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 1 } }
|
|
},
|
|
{
|
|
"INT: MUL_X2",
|
|
.u.insns_int = {
|
|
BPF_ALU32_IMM(BPF_MOV, R0, -1),
|
|
BPF_ALU32_IMM(BPF_MOV, R1, -1),
|
|
BPF_ALU32_IMM(BPF_MOV, R2, 3),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R2),
|
|
BPF_ALU64_IMM(BPF_RSH, R1, 8),
|
|
BPF_JMP_IMM(BPF_JEQ, R1, 0x2ffffff, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_IMM(BPF_MOV, R0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 1 } }
|
|
},
|
|
{
|
|
"INT: MUL32_X",
|
|
.u.insns_int = {
|
|
BPF_ALU32_IMM(BPF_MOV, R0, -1),
|
|
BPF_ALU64_IMM(BPF_MOV, R1, -1),
|
|
BPF_ALU32_IMM(BPF_MOV, R2, 3),
|
|
BPF_ALU32_REG(BPF_MUL, R1, R2),
|
|
BPF_ALU64_IMM(BPF_RSH, R1, 8),
|
|
BPF_JMP_IMM(BPF_JEQ, R1, 0xffffff, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_IMM(BPF_MOV, R0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 1 } }
|
|
},
|
|
{
|
|
/* Have to test all register combinations, since
|
|
* JITing of different registers will produce
|
|
* different asm code.
|
|
*/
|
|
"INT: ADD 64-bit",
|
|
.u.insns_int = {
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 0),
|
|
BPF_ALU64_IMM(BPF_MOV, R1, 1),
|
|
BPF_ALU64_IMM(BPF_MOV, R2, 2),
|
|
BPF_ALU64_IMM(BPF_MOV, R3, 3),
|
|
BPF_ALU64_IMM(BPF_MOV, R4, 4),
|
|
BPF_ALU64_IMM(BPF_MOV, R5, 5),
|
|
BPF_ALU64_IMM(BPF_MOV, R6, 6),
|
|
BPF_ALU64_IMM(BPF_MOV, R7, 7),
|
|
BPF_ALU64_IMM(BPF_MOV, R8, 8),
|
|
BPF_ALU64_IMM(BPF_MOV, R9, 9),
|
|
BPF_ALU64_IMM(BPF_ADD, R0, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R1, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R2, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R3, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R4, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R5, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R6, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R7, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R8, 20),
|
|
BPF_ALU64_IMM(BPF_ADD, R9, 20),
|
|
BPF_ALU64_IMM(BPF_SUB, R0, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R1, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R2, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R3, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R4, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R5, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R6, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R7, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R8, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R9, 10),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R0, R9), /* R0 == 155 */
|
|
BPF_JMP_IMM(BPF_JEQ, R0, 155, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R1, R9), /* R1 == 456 */
|
|
BPF_JMP_IMM(BPF_JEQ, R1, 456, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R2, R9), /* R2 == 1358 */
|
|
BPF_JMP_IMM(BPF_JEQ, R2, 1358, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R3, R9), /* R3 == 4063 */
|
|
BPF_JMP_IMM(BPF_JEQ, R3, 4063, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R4, R9), /* R4 == 12177 */
|
|
BPF_JMP_IMM(BPF_JEQ, R4, 12177, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R5, R9), /* R5 == 36518 */
|
|
BPF_JMP_IMM(BPF_JEQ, R5, 36518, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R6, R9), /* R6 == 109540 */
|
|
BPF_JMP_IMM(BPF_JEQ, R6, 109540, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R7, R9), /* R7 == 328605 */
|
|
BPF_JMP_IMM(BPF_JEQ, R7, 328605, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R9), /* R8 == 985799 */
|
|
BPF_JMP_IMM(BPF_JEQ, R8, 985799, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R0),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R1),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R2),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R3),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R4),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R5),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R6),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R7),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R8),
|
|
BPF_ALU64_REG(BPF_ADD, R9, R9), /* R9 == 2957380 */
|
|
BPF_ALU64_REG(BPF_MOV, R0, R9),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 2957380 } }
|
|
},
|
|
{
|
|
"INT: ADD 32-bit",
|
|
.u.insns_int = {
|
|
BPF_ALU32_IMM(BPF_MOV, R0, 20),
|
|
BPF_ALU32_IMM(BPF_MOV, R1, 1),
|
|
BPF_ALU32_IMM(BPF_MOV, R2, 2),
|
|
BPF_ALU32_IMM(BPF_MOV, R3, 3),
|
|
BPF_ALU32_IMM(BPF_MOV, R4, 4),
|
|
BPF_ALU32_IMM(BPF_MOV, R5, 5),
|
|
BPF_ALU32_IMM(BPF_MOV, R6, 6),
|
|
BPF_ALU32_IMM(BPF_MOV, R7, 7),
|
|
BPF_ALU32_IMM(BPF_MOV, R8, 8),
|
|
BPF_ALU32_IMM(BPF_MOV, R9, 9),
|
|
BPF_ALU64_IMM(BPF_ADD, R1, 10),
|
|
BPF_ALU64_IMM(BPF_ADD, R2, 10),
|
|
BPF_ALU64_IMM(BPF_ADD, R3, 10),
|
|
BPF_ALU64_IMM(BPF_ADD, R4, 10),
|
|
BPF_ALU64_IMM(BPF_ADD, R5, 10),
|
|
BPF_ALU64_IMM(BPF_ADD, R6, 10),
|
|
BPF_ALU64_IMM(BPF_ADD, R7, 10),
|
|
BPF_ALU64_IMM(BPF_ADD, R8, 10),
|
|
BPF_ALU64_IMM(BPF_ADD, R9, 10),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R0, R9), /* R0 == 155 */
|
|
BPF_JMP_IMM(BPF_JEQ, R0, 155, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R1, R9), /* R1 == 456 */
|
|
BPF_JMP_IMM(BPF_JEQ, R1, 456, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R2, R9), /* R2 == 1358 */
|
|
BPF_JMP_IMM(BPF_JEQ, R2, 1358, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R3, R9), /* R3 == 4063 */
|
|
BPF_JMP_IMM(BPF_JEQ, R3, 4063, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R4, R9), /* R4 == 12177 */
|
|
BPF_JMP_IMM(BPF_JEQ, R4, 12177, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R5, R9), /* R5 == 36518 */
|
|
BPF_JMP_IMM(BPF_JEQ, R5, 36518, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R6, R9), /* R6 == 109540 */
|
|
BPF_JMP_IMM(BPF_JEQ, R6, 109540, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R7, R9), /* R7 == 328605 */
|
|
BPF_JMP_IMM(BPF_JEQ, R7, 328605, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R8, R9), /* R8 == 985799 */
|
|
BPF_JMP_IMM(BPF_JEQ, R8, 985799, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R0),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R1),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R2),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R3),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R4),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R5),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R6),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R7),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R8),
|
|
BPF_ALU32_REG(BPF_ADD, R9, R9), /* R9 == 2957380 */
|
|
BPF_ALU32_REG(BPF_MOV, R0, R9),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 2957380 } }
|
|
},
|
|
{ /* Mainly checking JIT here. */
|
|
"INT: SUB",
|
|
.u.insns_int = {
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 0),
|
|
BPF_ALU64_IMM(BPF_MOV, R1, 1),
|
|
BPF_ALU64_IMM(BPF_MOV, R2, 2),
|
|
BPF_ALU64_IMM(BPF_MOV, R3, 3),
|
|
BPF_ALU64_IMM(BPF_MOV, R4, 4),
|
|
BPF_ALU64_IMM(BPF_MOV, R5, 5),
|
|
BPF_ALU64_IMM(BPF_MOV, R6, 6),
|
|
BPF_ALU64_IMM(BPF_MOV, R7, 7),
|
|
BPF_ALU64_IMM(BPF_MOV, R8, 8),
|
|
BPF_ALU64_IMM(BPF_MOV, R9, 9),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R0, 10),
|
|
BPF_JMP_IMM(BPF_JEQ, R0, -55, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R1, 10),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R2, 10),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R3, 10),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R4, 10),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R5, 10),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R6, 10),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R7, 10),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R9),
|
|
BPF_ALU64_IMM(BPF_SUB, R8, 10),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R0),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R8),
|
|
BPF_ALU64_IMM(BPF_SUB, R9, 10),
|
|
BPF_ALU64_IMM(BPF_SUB, R0, 10),
|
|
BPF_ALU64_IMM(BPF_NEG, R0, 0),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R1),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R2),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R3),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R4),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R5),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R6),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R7),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R8),
|
|
BPF_ALU64_REG(BPF_SUB, R0, R9),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 11 } }
|
|
},
|
|
{ /* Mainly checking JIT here. */
|
|
"INT: XOR",
|
|
.u.insns_int = {
|
|
BPF_ALU64_REG(BPF_SUB, R0, R0),
|
|
BPF_ALU64_REG(BPF_XOR, R1, R1),
|
|
BPF_JMP_REG(BPF_JEQ, R0, R1, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 10),
|
|
BPF_ALU64_IMM(BPF_MOV, R1, -1),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R1),
|
|
BPF_ALU64_REG(BPF_XOR, R2, R2),
|
|
BPF_JMP_REG(BPF_JEQ, R1, R2, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R2, R2),
|
|
BPF_ALU64_REG(BPF_XOR, R3, R3),
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 10),
|
|
BPF_ALU64_IMM(BPF_MOV, R1, -1),
|
|
BPF_JMP_REG(BPF_JEQ, R2, R3, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R3, R3),
|
|
BPF_ALU64_REG(BPF_XOR, R4, R4),
|
|
BPF_ALU64_IMM(BPF_MOV, R2, 1),
|
|
BPF_ALU64_IMM(BPF_MOV, R5, -1),
|
|
BPF_JMP_REG(BPF_JEQ, R3, R4, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R4, R4),
|
|
BPF_ALU64_REG(BPF_XOR, R5, R5),
|
|
BPF_ALU64_IMM(BPF_MOV, R3, 1),
|
|
BPF_ALU64_IMM(BPF_MOV, R7, -1),
|
|
BPF_JMP_REG(BPF_JEQ, R5, R4, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_MOV, R5, 1),
|
|
BPF_ALU64_REG(BPF_SUB, R5, R5),
|
|
BPF_ALU64_REG(BPF_XOR, R6, R6),
|
|
BPF_ALU64_IMM(BPF_MOV, R1, 1),
|
|
BPF_ALU64_IMM(BPF_MOV, R8, -1),
|
|
BPF_JMP_REG(BPF_JEQ, R5, R6, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R6, R6),
|
|
BPF_ALU64_REG(BPF_XOR, R7, R7),
|
|
BPF_JMP_REG(BPF_JEQ, R7, R6, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R7, R7),
|
|
BPF_ALU64_REG(BPF_XOR, R8, R8),
|
|
BPF_JMP_REG(BPF_JEQ, R7, R8, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R8, R8),
|
|
BPF_ALU64_REG(BPF_XOR, R9, R9),
|
|
BPF_JMP_REG(BPF_JEQ, R9, R8, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R9, R9),
|
|
BPF_ALU64_REG(BPF_XOR, R0, R0),
|
|
BPF_JMP_REG(BPF_JEQ, R9, R0, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_SUB, R1, R1),
|
|
BPF_ALU64_REG(BPF_XOR, R0, R0),
|
|
BPF_JMP_REG(BPF_JEQ, R9, R0, 2),
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 0),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 1 } }
|
|
},
|
|
{ /* Mainly checking JIT here. */
|
|
"INT: MUL",
|
|
.u.insns_int = {
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 11),
|
|
BPF_ALU64_IMM(BPF_MOV, R1, 1),
|
|
BPF_ALU64_IMM(BPF_MOV, R2, 2),
|
|
BPF_ALU64_IMM(BPF_MOV, R3, 3),
|
|
BPF_ALU64_IMM(BPF_MOV, R4, 4),
|
|
BPF_ALU64_IMM(BPF_MOV, R5, 5),
|
|
BPF_ALU64_IMM(BPF_MOV, R6, 6),
|
|
BPF_ALU64_IMM(BPF_MOV, R7, 7),
|
|
BPF_ALU64_IMM(BPF_MOV, R8, 8),
|
|
BPF_ALU64_IMM(BPF_MOV, R9, 9),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R0),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R1),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R2),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R3),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R4),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R5),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R6),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R7),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R8),
|
|
BPF_ALU64_REG(BPF_MUL, R0, R9),
|
|
BPF_ALU64_IMM(BPF_MUL, R0, 10),
|
|
BPF_JMP_IMM(BPF_JEQ, R0, 439084800, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R0),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R2),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R3),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R4),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R5),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R6),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R7),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R8),
|
|
BPF_ALU64_REG(BPF_MUL, R1, R9),
|
|
BPF_ALU64_IMM(BPF_MUL, R1, 10),
|
|
BPF_ALU64_REG(BPF_MOV, R2, R1),
|
|
BPF_ALU64_IMM(BPF_RSH, R2, 32),
|
|
BPF_JMP_IMM(BPF_JEQ, R2, 0x5a924, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_LSH, R1, 32),
|
|
BPF_ALU64_IMM(BPF_ARSH, R1, 32),
|
|
BPF_JMP_IMM(BPF_JEQ, R1, 0xebb90000, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R0),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R1),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R3),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R4),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R5),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R6),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R7),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R8),
|
|
BPF_ALU64_REG(BPF_MUL, R2, R9),
|
|
BPF_ALU64_IMM(BPF_MUL, R2, 10),
|
|
BPF_ALU64_IMM(BPF_RSH, R2, 32),
|
|
BPF_ALU64_REG(BPF_MOV, R0, R2),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 0x35d97ef2 } }
|
|
},
|
|
{
|
|
"INT: ALU MIX",
|
|
.u.insns_int = {
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 11),
|
|
BPF_ALU64_IMM(BPF_ADD, R0, -1),
|
|
BPF_ALU64_IMM(BPF_MOV, R2, 2),
|
|
BPF_ALU64_IMM(BPF_XOR, R2, 3),
|
|
BPF_ALU64_REG(BPF_DIV, R0, R2),
|
|
BPF_JMP_IMM(BPF_JEQ, R0, 10, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_MOD, R0, 3),
|
|
BPF_JMP_IMM(BPF_JEQ, R0, 1, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_MOV, R0, -1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, -1 } }
|
|
},
|
|
{
|
|
"INT: shifts by register",
|
|
.u.insns_int = {
|
|
BPF_MOV64_IMM(R0, -1234),
|
|
BPF_MOV64_IMM(R1, 1),
|
|
BPF_ALU32_REG(BPF_RSH, R0, R1),
|
|
BPF_JMP_IMM(BPF_JEQ, R0, 0x7ffffd97, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(R2, 1),
|
|
BPF_ALU64_REG(BPF_LSH, R0, R2),
|
|
BPF_MOV32_IMM(R4, -1234),
|
|
BPF_JMP_REG(BPF_JEQ, R0, R4, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_AND, R4, 63),
|
|
BPF_ALU64_REG(BPF_LSH, R0, R4), /* R0 <= 46 */
|
|
BPF_MOV64_IMM(R3, 47),
|
|
BPF_ALU64_REG(BPF_ARSH, R0, R3),
|
|
BPF_JMP_IMM(BPF_JEQ, R0, -617, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(R2, 1),
|
|
BPF_ALU64_REG(BPF_LSH, R4, R2), /* R4 = 46 << 1 */
|
|
BPF_JMP_IMM(BPF_JEQ, R4, 92, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(R4, 4),
|
|
BPF_ALU64_REG(BPF_LSH, R4, R4), /* R4 = 4 << 4 */
|
|
BPF_JMP_IMM(BPF_JEQ, R4, 64, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(R4, 5),
|
|
BPF_ALU32_REG(BPF_LSH, R4, R4), /* R4 = 5 << 5 */
|
|
BPF_JMP_IMM(BPF_JEQ, R4, 160, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(R0, -1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, -1 } }
|
|
},
|
|
{
|
|
"INT: DIV + ABS",
|
|
.u.insns_int = {
|
|
BPF_ALU64_REG(BPF_MOV, R6, R1),
|
|
BPF_LD_ABS(BPF_B, 3),
|
|
BPF_ALU64_IMM(BPF_MOV, R2, 2),
|
|
BPF_ALU32_REG(BPF_DIV, R0, R2),
|
|
BPF_ALU64_REG(BPF_MOV, R8, R0),
|
|
BPF_LD_ABS(BPF_B, 4),
|
|
BPF_ALU64_REG(BPF_ADD, R8, R0),
|
|
BPF_LD_IND(BPF_B, R8, -70),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ 10, 20, 30, 40, 50 },
|
|
{ { 4, 0 }, { 5, 10 } }
|
|
},
|
|
{
|
|
"INT: DIV by zero",
|
|
.u.insns_int = {
|
|
BPF_ALU64_REG(BPF_MOV, R6, R1),
|
|
BPF_ALU64_IMM(BPF_MOV, R7, 0),
|
|
BPF_LD_ABS(BPF_B, 3),
|
|
BPF_ALU32_REG(BPF_DIV, R0, R7),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ 10, 20, 30, 40, 50 },
|
|
{ { 3, 0 }, { 4, 0 } }
|
|
},
|
|
{
|
|
"check: missing ret",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LD | BPF_IMM, 1),
|
|
},
|
|
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
|
|
{ },
|
|
{ }
|
|
},
|
|
{
|
|
"check: div_k_0",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_ALU | BPF_DIV | BPF_K, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 0)
|
|
},
|
|
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
|
|
{ },
|
|
{ }
|
|
},
|
|
{
|
|
"check: unknown insn",
|
|
.u.insns = {
|
|
/* seccomp insn, rejected in socket filter */
|
|
BPF_STMT(BPF_LDX | BPF_W | BPF_ABS, 0),
|
|
BPF_STMT(BPF_RET | BPF_K, 0)
|
|
},
|
|
CLASSIC | FLAG_EXPECTED_FAIL,
|
|
{ },
|
|
{ }
|
|
},
|
|
{
|
|
"check: out of range spill/fill",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_STX, 16),
|
|
BPF_STMT(BPF_RET | BPF_K, 0)
|
|
},
|
|
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
|
|
{ },
|
|
{ }
|
|
},
|
|
{
|
|
"JUMPS + HOLES",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 13, 15),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x90c2894d, 3, 4),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x90c2894d, 1, 2),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 14, 15),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 13, 14),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x2ac28349, 2, 3),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x2ac28349, 1, 2),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 14, 15),
|
|
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 13, 14),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x90d2ff41, 2, 3),
|
|
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x90d2ff41, 1, 2),
|
|
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
|
|
BPF_STMT(BPF_RET | BPF_A, 0),
|
|
BPF_STMT(BPF_RET | BPF_A, 0),
|
|
},
|
|
CLASSIC,
|
|
{ 0x00, 0x1b, 0x21, 0x3c, 0x9d, 0xf8,
|
|
0x90, 0xe2, 0xba, 0x0a, 0x56, 0xb4,
|
|
0x08, 0x00,
|
|
0x45, 0x00, 0x00, 0x28, 0x00, 0x00,
|
|
0x20, 0x00, 0x40, 0x11, 0x00, 0x00, /* IP header */
|
|
0xc0, 0xa8, 0x33, 0x01,
|
|
0xc0, 0xa8, 0x33, 0x02,
|
|
0xbb, 0xb6,
|
|
0xa9, 0xfa,
|
|
0x00, 0x14, 0x00, 0x00,
|
|
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
|
|
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
|
|
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
|
|
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
|
|
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
|
|
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
|
|
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
|
|
0xcc, 0xcc, 0xcc, 0xcc },
|
|
{ { 88, 0x001b } }
|
|
},
|
|
{
|
|
"check: RET X",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_RET | BPF_X, 0),
|
|
},
|
|
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
|
|
{ },
|
|
{ },
|
|
},
|
|
{
|
|
"check: LDX + RET X",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 42),
|
|
BPF_STMT(BPF_RET | BPF_X, 0),
|
|
},
|
|
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
|
|
{ },
|
|
{ },
|
|
},
|
|
{ /* Mainly checking JIT here. */
|
|
"M[]: alt STX + LDX",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 100),
|
|
BPF_STMT(BPF_STX, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 0),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 1),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 2),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 2),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 3),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 3),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 4),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 4),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 5),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 5),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 6),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 6),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 7),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 7),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 8),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 8),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 9),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 9),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 10),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 10),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 11),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 11),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 12),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 12),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 13),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 13),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 14),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 14),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_STX, 15),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 15),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
|
|
BPF_STMT(BPF_MISC | BPF_TAX, 0),
|
|
BPF_STMT(BPF_RET | BPF_A, 0),
|
|
},
|
|
CLASSIC | FLAG_NO_DATA,
|
|
{ },
|
|
{ { 0, 116 } },
|
|
},
|
|
{ /* Mainly checking JIT here. */
|
|
"M[]: full STX + full LDX",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xbadfeedb),
|
|
BPF_STMT(BPF_STX, 0),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xecabedae),
|
|
BPF_STMT(BPF_STX, 1),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xafccfeaf),
|
|
BPF_STMT(BPF_STX, 2),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xbffdcedc),
|
|
BPF_STMT(BPF_STX, 3),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xfbbbdccb),
|
|
BPF_STMT(BPF_STX, 4),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xfbabcbda),
|
|
BPF_STMT(BPF_STX, 5),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xaedecbdb),
|
|
BPF_STMT(BPF_STX, 6),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xadebbade),
|
|
BPF_STMT(BPF_STX, 7),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xfcfcfaec),
|
|
BPF_STMT(BPF_STX, 8),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xbcdddbdc),
|
|
BPF_STMT(BPF_STX, 9),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xfeefdfac),
|
|
BPF_STMT(BPF_STX, 10),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xcddcdeea),
|
|
BPF_STMT(BPF_STX, 11),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xaccfaebb),
|
|
BPF_STMT(BPF_STX, 12),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xbdcccdcf),
|
|
BPF_STMT(BPF_STX, 13),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xaaedecde),
|
|
BPF_STMT(BPF_STX, 14),
|
|
BPF_STMT(BPF_LDX | BPF_IMM, 0xfaeacdad),
|
|
BPF_STMT(BPF_STX, 15),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 0),
|
|
BPF_STMT(BPF_MISC | BPF_TXA, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 1),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 2),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 3),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 4),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 5),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 6),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 7),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 8),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 9),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 10),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 11),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 12),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 13),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 14),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_LDX | BPF_MEM, 15),
|
|
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
|
|
BPF_STMT(BPF_RET | BPF_A, 0),
|
|
},
|
|
CLASSIC | FLAG_NO_DATA,
|
|
{ },
|
|
{ { 0, 0x2a5a5e5 } },
|
|
},
|
|
{
|
|
"check: SKF_AD_MAX",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
|
|
SKF_AD_OFF + SKF_AD_MAX),
|
|
BPF_STMT(BPF_RET | BPF_A, 0),
|
|
},
|
|
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
|
|
{ },
|
|
{ },
|
|
},
|
|
{ /* Passes checker but fails during runtime. */
|
|
"LD [SKF_AD_OFF-1]",
|
|
.u.insns = {
|
|
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
|
|
SKF_AD_OFF - 1),
|
|
BPF_STMT(BPF_RET | BPF_K, 1),
|
|
},
|
|
CLASSIC,
|
|
{ },
|
|
{ { 1, 0 } },
|
|
},
|
|
{
|
|
"load 64-bit immediate",
|
|
.u.insns_int = {
|
|
BPF_LD_IMM64(R1, 0x567800001234LL),
|
|
BPF_MOV64_REG(R2, R1),
|
|
BPF_MOV64_REG(R3, R2),
|
|
BPF_ALU64_IMM(BPF_RSH, R2, 32),
|
|
BPF_ALU64_IMM(BPF_LSH, R3, 32),
|
|
BPF_ALU64_IMM(BPF_RSH, R3, 32),
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 0),
|
|
BPF_JMP_IMM(BPF_JEQ, R2, 0x5678, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_JMP_IMM(BPF_JEQ, R3, 0x1234, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_ALU64_IMM(BPF_MOV, R0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
INTERNAL,
|
|
{ },
|
|
{ { 0, 1 } }
|
|
},
|
|
};
|
|
|
|
static struct net_device dev;
|
|
|
|
static struct sk_buff *populate_skb(char *buf, int size)
|
|
{
|
|
struct sk_buff *skb;
|
|
|
|
if (size >= MAX_DATA)
|
|
return NULL;
|
|
|
|
skb = alloc_skb(MAX_DATA, GFP_KERNEL);
|
|
if (!skb)
|
|
return NULL;
|
|
|
|
memcpy(__skb_put(skb, size), buf, size);
|
|
|
|
/* Initialize a fake skb with test pattern. */
|
|
skb_reset_mac_header(skb);
|
|
skb->protocol = htons(ETH_P_IP);
|
|
skb->pkt_type = SKB_TYPE;
|
|
skb->mark = SKB_MARK;
|
|
skb->hash = SKB_HASH;
|
|
skb->queue_mapping = SKB_QUEUE_MAP;
|
|
skb->vlan_tci = SKB_VLAN_TCI;
|
|
skb->dev = &dev;
|
|
skb->dev->ifindex = SKB_DEV_IFINDEX;
|
|
skb->dev->type = SKB_DEV_TYPE;
|
|
skb_set_network_header(skb, min(size, ETH_HLEN));
|
|
|
|
return skb;
|
|
}
|
|
|
|
static void *generate_test_data(struct bpf_test *test, int sub)
|
|
{
|
|
if (test->aux & FLAG_NO_DATA)
|
|
return NULL;
|
|
|
|
/* Test case expects an skb, so populate one. Various
|
|
* subtests generate skbs of different sizes based on
|
|
* the same data.
|
|
*/
|
|
return populate_skb(test->data, test->test[sub].data_size);
|
|
}
|
|
|
|
static void release_test_data(const struct bpf_test *test, void *data)
|
|
{
|
|
if (test->aux & FLAG_NO_DATA)
|
|
return;
|
|
|
|
kfree_skb(data);
|
|
}
|
|
|
|
static int probe_filter_length(struct sock_filter *fp)
|
|
{
|
|
int len = 0;
|
|
|
|
for (len = MAX_INSNS - 1; len > 0; --len)
|
|
if (fp[len].code != 0 || fp[len].k != 0)
|
|
break;
|
|
|
|
return len + 1;
|
|
}
|
|
|
|
static struct bpf_prog *generate_filter(int which, int *err)
|
|
{
|
|
struct bpf_prog *fp;
|
|
struct sock_fprog_kern fprog;
|
|
unsigned int flen = probe_filter_length(tests[which].u.insns);
|
|
__u8 test_type = tests[which].aux & TEST_TYPE_MASK;
|
|
|
|
switch (test_type) {
|
|
case CLASSIC:
|
|
fprog.filter = tests[which].u.insns;
|
|
fprog.len = flen;
|
|
|
|
*err = bpf_prog_create(&fp, &fprog);
|
|
if (tests[which].aux & FLAG_EXPECTED_FAIL) {
|
|
if (*err == -EINVAL) {
|
|
pr_cont("PASS\n");
|
|
/* Verifier rejected filter as expected. */
|
|
*err = 0;
|
|
return NULL;
|
|
} else {
|
|
pr_cont("UNEXPECTED_PASS\n");
|
|
/* Verifier didn't reject the test that's
|
|
* bad enough, just return!
|
|
*/
|
|
*err = -EINVAL;
|
|
return NULL;
|
|
}
|
|
}
|
|
/* We don't expect to fail. */
|
|
if (*err) {
|
|
pr_cont("FAIL to attach err=%d len=%d\n",
|
|
*err, fprog.len);
|
|
return NULL;
|
|
}
|
|
break;
|
|
|
|
case INTERNAL:
|
|
fp = bpf_prog_alloc(bpf_prog_size(flen), 0);
|
|
if (fp == NULL) {
|
|
pr_cont("UNEXPECTED_FAIL no memory left\n");
|
|
*err = -ENOMEM;
|
|
return NULL;
|
|
}
|
|
|
|
fp->len = flen;
|
|
memcpy(fp->insnsi, tests[which].u.insns_int,
|
|
fp->len * sizeof(struct bpf_insn));
|
|
|
|
bpf_prog_select_runtime(fp);
|
|
break;
|
|
}
|
|
|
|
*err = 0;
|
|
return fp;
|
|
}
|
|
|
|
static void release_filter(struct bpf_prog *fp, int which)
|
|
{
|
|
__u8 test_type = tests[which].aux & TEST_TYPE_MASK;
|
|
|
|
switch (test_type) {
|
|
case CLASSIC:
|
|
bpf_prog_destroy(fp);
|
|
break;
|
|
case INTERNAL:
|
|
bpf_prog_free(fp);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int __run_one(const struct bpf_prog *fp, const void *data,
|
|
int runs, u64 *duration)
|
|
{
|
|
u64 start, finish;
|
|
int ret = 0, i;
|
|
|
|
start = ktime_to_us(ktime_get());
|
|
|
|
for (i = 0; i < runs; i++)
|
|
ret = BPF_PROG_RUN(fp, data);
|
|
|
|
finish = ktime_to_us(ktime_get());
|
|
|
|
*duration = (finish - start) * 1000ULL;
|
|
do_div(*duration, runs);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int run_one(const struct bpf_prog *fp, struct bpf_test *test)
|
|
{
|
|
int err_cnt = 0, i, runs = MAX_TESTRUNS;
|
|
|
|
for (i = 0; i < MAX_SUBTESTS; i++) {
|
|
void *data;
|
|
u64 duration;
|
|
u32 ret;
|
|
|
|
if (test->test[i].data_size == 0 &&
|
|
test->test[i].result == 0)
|
|
break;
|
|
|
|
data = generate_test_data(test, i);
|
|
ret = __run_one(fp, data, runs, &duration);
|
|
release_test_data(test, data);
|
|
|
|
if (ret == test->test[i].result) {
|
|
pr_cont("%lld ", duration);
|
|
} else {
|
|
pr_cont("ret %d != %d ", ret,
|
|
test->test[i].result);
|
|
err_cnt++;
|
|
}
|
|
}
|
|
|
|
return err_cnt;
|
|
}
|
|
|
|
static __init int test_bpf(void)
|
|
{
|
|
int i, err_cnt = 0, pass_cnt = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(tests); i++) {
|
|
struct bpf_prog *fp;
|
|
int err;
|
|
|
|
pr_info("#%d %s ", i, tests[i].descr);
|
|
|
|
fp = generate_filter(i, &err);
|
|
if (fp == NULL) {
|
|
if (err == 0) {
|
|
pass_cnt++;
|
|
continue;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
err = run_one(fp, &tests[i]);
|
|
release_filter(fp, i);
|
|
|
|
if (err) {
|
|
pr_cont("FAIL (%d times)\n", err);
|
|
err_cnt++;
|
|
} else {
|
|
pr_cont("PASS\n");
|
|
pass_cnt++;
|
|
}
|
|
}
|
|
|
|
pr_info("Summary: %d PASSED, %d FAILED\n", pass_cnt, err_cnt);
|
|
return err_cnt ? -EINVAL : 0;
|
|
}
|
|
|
|
static int __init test_bpf_init(void)
|
|
{
|
|
return test_bpf();
|
|
}
|
|
|
|
static void __exit test_bpf_exit(void)
|
|
{
|
|
}
|
|
|
|
module_init(test_bpf_init);
|
|
module_exit(test_bpf_exit);
|
|
|
|
MODULE_LICENSE("GPL");
|