/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _XT_BPF_H
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#define _XT_BPF_H
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#include <linux/filter.h>
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#include <linux/limits.h>
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#include <linux/types.h>
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#define XT_BPF_MAX_NUM_INSTR 64
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#define XT_BPF_PATH_MAX (XT_BPF_MAX_NUM_INSTR * sizeof(struct sock_filter))
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struct bpf_prog;
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struct xt_bpf_info {
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__u16 bpf_program_num_elem;
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struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR];
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/* only used in the kernel */
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struct bpf_prog *filter __attribute__((aligned(8)));
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};
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enum xt_bpf_modes {
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XT_BPF_MODE_BYTECODE,
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XT_BPF_MODE_FD_PINNED,
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XT_BPF_MODE_FD_ELF,
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};
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#define XT_BPF_MODE_PATH_PINNED XT_BPF_MODE_FD_PINNED
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struct xt_bpf_info_v1 {
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__u16 mode;
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__u16 bpf_program_num_elem;
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__s32 fd;
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union {
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struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR];
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char path[XT_BPF_PATH_MAX];
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};
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/* only used in the kernel */
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struct bpf_prog *filter __attribute__((aligned(8)));
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};
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#endif /*_XT_BPF_H */
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