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57 lines
1.3 KiB
57 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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#ifndef _UAPI__LINUX_BPF_COMMON_H__ |
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#define _UAPI__LINUX_BPF_COMMON_H__ |
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/* Instruction classes */ |
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#define BPF_CLASS(code) ((code) & 0x07) |
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#define BPF_LD 0x00 |
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#define BPF_LDX 0x01 |
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#define BPF_ST 0x02 |
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#define BPF_STX 0x03 |
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#define BPF_ALU 0x04 |
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#define BPF_JMP 0x05 |
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#define BPF_RET 0x06 |
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#define BPF_MISC 0x07 |
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/* ld/ldx fields */ |
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#define BPF_SIZE(code) ((code) & 0x18) |
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#define BPF_W 0x00 /* 32-bit */ |
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#define BPF_H 0x08 /* 16-bit */ |
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#define BPF_B 0x10 /* 8-bit */ |
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/* eBPF BPF_DW 0x18 64-bit */ |
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#define BPF_MODE(code) ((code) & 0xe0) |
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#define BPF_IMM 0x00 |
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#define BPF_ABS 0x20 |
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#define BPF_IND 0x40 |
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#define BPF_MEM 0x60 |
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#define BPF_LEN 0x80 |
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#define BPF_MSH 0xa0 |
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/* alu/jmp fields */ |
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#define BPF_OP(code) ((code) & 0xf0) |
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#define BPF_ADD 0x00 |
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#define BPF_SUB 0x10 |
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#define BPF_MUL 0x20 |
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#define BPF_DIV 0x30 |
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#define BPF_OR 0x40 |
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#define BPF_AND 0x50 |
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#define BPF_LSH 0x60 |
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#define BPF_RSH 0x70 |
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#define BPF_NEG 0x80 |
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#define BPF_MOD 0x90 |
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#define BPF_XOR 0xa0 |
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#define BPF_JA 0x00 |
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#define BPF_JEQ 0x10 |
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#define BPF_JGT 0x20 |
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#define BPF_JGE 0x30 |
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#define BPF_JSET 0x40 |
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#define BPF_SRC(code) ((code) & 0x08) |
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#define BPF_K 0x00 |
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#define BPF_X 0x08 |
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#ifndef BPF_MAXINSNS |
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#define BPF_MAXINSNS 4096 |
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#endif |
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#endif /* _UAPI__LINUX_BPF_COMMON_H__ */
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