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

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