[mirror_ubuntu-focal-kernel.git] / include / uapi / linux / netfilter / xt_bpf.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _XT_BPF_H
#define _XT_BPF_H

#include <linux/filter.h>
#include <linux/limits.h>
#include <linux/types.h>

#define XT_BPF_MAX_NUM_INSTR	64
#define XT_BPF_PATH_MAX		(XT_BPF_MAX_NUM_INSTR * sizeof(struct sock_filter))

struct bpf_prog;

struct xt_bpf_info {
	__u16 bpf_program_num_elem;
	struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR];

	/* only used in the kernel */
	struct bpf_prog *filter __attribute__((aligned(8)));
};

enum xt_bpf_modes {
	XT_BPF_MODE_BYTECODE,
	XT_BPF_MODE_FD_PINNED,
	XT_BPF_MODE_FD_ELF,
};
#define XT_BPF_MODE_PATH_PINNED XT_BPF_MODE_FD_PINNED

struct xt_bpf_info_v1 {
	__u16 mode;
	__u16 bpf_program_num_elem;
	__s32 fd;
	union {
		struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR];
		char path[XT_BPF_PATH_MAX];
	};

	/* only used in the kernel */
	struct bpf_prog *filter __attribute__((aligned(8)));
};

#endif /*_XT_BPF_H */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
e6f30c73 WB	2	#ifndef _XT_BPF_H
	3	#define _XT_BPF_H
	4
	5	#include <linux/filter.h>
2c16d603	6	#include <linux/limits.h>
e6f30c73 WB	7	#include <linux/types.h>
	8
	9	#define XT_BPF_MAX_NUM_INSTR 64
2c16d603	10	#define XT_BPF_PATH_MAX (XT_BPF_MAX_NUM_INSTR * sizeof(struct sock_filter))
e6f30c73	11
7ae457c1	12	struct bpf_prog;
e10038a8	13
e6f30c73 WB	14	struct xt_bpf_info {
	15	__u16 bpf_program_num_elem;
	16	struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR];
	17
	18	/* only used in the kernel */
7ae457c1	19	struct bpf_prog *filter __attribute__((aligned(8)));
e6f30c73 WB	20	};
e6f30c73 WB	21
2c16d603 WB	22	enum xt_bpf_modes {
	23	XT_BPF_MODE_BYTECODE,
	24	XT_BPF_MODE_FD_PINNED,
	25	XT_BPF_MODE_FD_ELF,
	26	};
98589a09	27	#define XT_BPF_MODE_PATH_PINNED XT_BPF_MODE_FD_PINNED
2c16d603 WB	28
	29	struct xt_bpf_info_v1 {
	30	__u16 mode;
	31	__u16 bpf_program_num_elem;
	32	__s32 fd;
	33	union {
	34	struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR];
	35	char path[XT_BPF_PATH_MAX];
	36	};
	37
	38	/* only used in the kernel */
	39	struct bpf_prog *filter __attribute__((aligned(8)));
	40	};
	41
e6f30c73	42	#endif /_XT_BPF_H /