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 _UAPI_ARPTABLES_H 20 #define _UAPI_ARPTABLES_H 21 #include <linux/types.h> 22 #include <linux/compiler.h> 23 #include <linux/if.h> 24 #include <linux/netfilter_arp.h> 25 #include <linux/netfilter/x_tables.h> 26 #define ARPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN 27 #define ARPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN 28 #define arpt_entry_target xt_entry_target 29 #define arpt_standard_target xt_standard_target 30 #define arpt_error_target xt_error_target 31 #define ARPT_CONTINUE XT_CONTINUE 32 #define ARPT_RETURN XT_RETURN 33 #define arpt_counters_info xt_counters_info 34 #define arpt_counters xt_counters 35 #define ARPT_STANDARD_TARGET XT_STANDARD_TARGET 36 #define ARPT_ERROR_TARGET XT_ERROR_TARGET 37 #define ARPT_ENTRY_ITERATE(entries,size,fn,args...) XT_ENTRY_ITERATE(struct arpt_entry, entries, size, fn, ##args) 38 #define ARPT_DEV_ADDR_LEN_MAX 16 39 struct arpt_devaddr_info { 40 char addr[ARPT_DEV_ADDR_LEN_MAX]; 41 char mask[ARPT_DEV_ADDR_LEN_MAX]; 42 }; 43 struct arpt_arp { 44 struct in_addr src, tgt; 45 struct in_addr smsk, tmsk; 46 __u8 arhln, arhln_mask; 47 struct arpt_devaddr_info src_devaddr; 48 struct arpt_devaddr_info tgt_devaddr; 49 __be16 arpop, arpop_mask; 50 __be16 arhrd, arhrd_mask; 51 __be16 arpro, arpro_mask; 52 char iniface[IFNAMSIZ], outiface[IFNAMSIZ]; 53 unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ]; 54 __u8 flags; 55 __u16 invflags; 56 }; 57 #define ARPT_F_MASK 0x00 58 #define ARPT_INV_VIA_IN 0x0001 59 #define ARPT_INV_VIA_OUT 0x0002 60 #define ARPT_INV_SRCIP 0x0004 61 #define ARPT_INV_TGTIP 0x0008 62 #define ARPT_INV_SRCDEVADDR 0x0010 63 #define ARPT_INV_TGTDEVADDR 0x0020 64 #define ARPT_INV_ARPOP 0x0040 65 #define ARPT_INV_ARPHRD 0x0080 66 #define ARPT_INV_ARPPRO 0x0100 67 #define ARPT_INV_ARPHLN 0x0200 68 #define ARPT_INV_MASK 0x03FF 69 struct arpt_entry { 70 struct arpt_arp arp; 71 __u16 target_offset; 72 __u16 next_offset; 73 unsigned int comefrom; 74 struct xt_counters counters; 75 unsigned char elems[0]; 76 }; 77 #define ARPT_BASE_CTL 96 78 #define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL) 79 #define ARPT_SO_SET_ADD_COUNTERS (ARPT_BASE_CTL + 1) 80 #define ARPT_SO_SET_MAX ARPT_SO_SET_ADD_COUNTERS 81 #define ARPT_SO_GET_INFO (ARPT_BASE_CTL) 82 #define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1) 83 #define ARPT_SO_GET_REVISION_TARGET (ARPT_BASE_CTL + 3) 84 #define ARPT_SO_GET_MAX (ARPT_SO_GET_REVISION_TARGET) 85 struct arpt_getinfo { 86 char name[XT_TABLE_MAXNAMELEN]; 87 unsigned int valid_hooks; 88 unsigned int hook_entry[NF_ARP_NUMHOOKS]; 89 unsigned int underflow[NF_ARP_NUMHOOKS]; 90 unsigned int num_entries; 91 unsigned int size; 92 }; 93 struct arpt_replace { 94 char name[XT_TABLE_MAXNAMELEN]; 95 unsigned int valid_hooks; 96 unsigned int num_entries; 97 unsigned int size; 98 unsigned int hook_entry[NF_ARP_NUMHOOKS]; 99 unsigned int underflow[NF_ARP_NUMHOOKS]; 100 unsigned int num_counters; 101 struct xt_counters __user * counters; 102 struct arpt_entry entries[0]; 103 }; 104 struct arpt_get_entries { 105 char name[XT_TABLE_MAXNAMELEN]; 106 unsigned int size; 107 struct arpt_entry entrytable[0]; 108 }; 109 #endif 110