1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _XT_BPF_H 20 #define _XT_BPF_H 21 #include <linux/filter.h> 22 #include <linux/limits.h> 23 #include <linux/types.h> 24 #define XT_BPF_MAX_NUM_INSTR 64 25 #define XT_BPF_PATH_MAX (XT_BPF_MAX_NUM_INSTR * sizeof(struct sock_filter)) 26 struct bpf_prog; 27 struct xt_bpf_info { 28 __u16 bpf_program_num_elem; 29 struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR]; 30 struct bpf_prog * filter __attribute__((aligned(8))); 31 }; 32 enum xt_bpf_modes { 33 XT_BPF_MODE_BYTECODE, 34 XT_BPF_MODE_FD_PINNED, 35 XT_BPF_MODE_FD_ELF, 36 }; 37 #define XT_BPF_MODE_PATH_PINNED XT_BPF_MODE_FD_PINNED 38 struct xt_bpf_info_v1 { 39 __u16 mode; 40 __u16 bpf_program_num_elem; 41 __s32 fd; 42 union { 43 struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR]; 44 char path[XT_BPF_PATH_MAX]; 45 }; 46 struct bpf_prog * filter __attribute__((aligned(8))); 47 }; 48 #endif 49
