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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 */
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