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 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _ARPTABLES_H 13 #define _ARPTABLES_H 14 15 #include <linux/compiler.h> 16 #include <linux/netfilter_arp.h> 17 18 #include <linux/netfilter/x_tables.h> 19 20 #define ARPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN 21 #define ARPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN 22 #define arpt_target xt_target 23 #define arpt_table xt_table 24 25 #define ARPT_DEV_ADDR_LEN_MAX 16 26 27 struct arpt_devaddr_info { 28 char addr[ARPT_DEV_ADDR_LEN_MAX]; 29 char mask[ARPT_DEV_ADDR_LEN_MAX]; 30 }; 31 32 struct arpt_arp { 33 34 struct in_addr src, tgt; 35 36 struct in_addr smsk, tmsk; 37 38 u_int8_t arhln, arhln_mask; 39 struct arpt_devaddr_info src_devaddr; 40 struct arpt_devaddr_info tgt_devaddr; 41 42 u_int16_t arpop, arpop_mask; 43 44 u_int16_t arhrd, arhrd_mask; 45 u_int16_t arpro, arpro_mask; 46 47 char iniface[IFNAMSIZ], outiface[IFNAMSIZ]; 48 unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ]; 49 50 u_int8_t flags; 51 52 u_int16_t invflags; 53 }; 54 55 #define arpt_entry_target xt_entry_target 56 #define arpt_standard_target xt_standard_target 57 58 #define ARPT_F_MASK 0x00 59 60 #define ARPT_INV_VIA_IN 0x0001 61 #define ARPT_INV_VIA_OUT 0x0002 62 #define ARPT_INV_SRCIP 0x0004 63 #define ARPT_INV_TGTIP 0x0008 64 #define ARPT_INV_SRCDEVADDR 0x0010 65 #define ARPT_INV_TGTDEVADDR 0x0020 66 #define ARPT_INV_ARPOP 0x0040 67 #define ARPT_INV_ARPHRD 0x0080 68 #define ARPT_INV_ARPPRO 0x0100 69 #define ARPT_INV_ARPHLN 0x0200 70 #define ARPT_INV_MASK 0x03FF 71 72 struct arpt_entry 73 { 74 struct arpt_arp arp; 75 76 u_int16_t target_offset; 77 78 u_int16_t next_offset; 79 80 unsigned int comefrom; 81 82 struct xt_counters counters; 83 84 unsigned char elems[0]; 85 }; 86 87 #define ARPT_CTL_OFFSET 32 88 #define ARPT_BASE_CTL (XT_BASE_CTL+ARPT_CTL_OFFSET) 89 90 #define ARPT_SO_SET_REPLACE (XT_SO_SET_REPLACE+ARPT_CTL_OFFSET) 91 #define ARPT_SO_SET_ADD_COUNTERS (XT_SO_SET_ADD_COUNTERS+ARPT_CTL_OFFSET) 92 #define ARPT_SO_SET_MAX (XT_SO_SET_MAX+ARPT_CTL_OFFSET) 93 94 #define ARPT_SO_GET_INFO (XT_SO_GET_INFO+ARPT_CTL_OFFSET) 95 #define ARPT_SO_GET_ENTRIES (XT_SO_GET_ENTRIES+ARPT_CTL_OFFSET) 96 97 #define ARPT_SO_GET_REVISION_TARGET (XT_SO_GET_REVISION_TARGET+ARPT_CTL_OFFSET) 98 #define ARPT_SO_GET_MAX (XT_SO_GET_REVISION_TARGET+ARPT_CTL_OFFSET) 99 100 #define ARPT_CONTINUE XT_CONTINUE 101 102 #define ARPT_RETURN XT_RETURN 103 104 struct arpt_getinfo 105 { 106 107 char name[ARPT_TABLE_MAXNAMELEN]; 108 109 unsigned int valid_hooks; 110 111 unsigned int hook_entry[NF_ARP_NUMHOOKS]; 112 113 unsigned int underflow[NF_ARP_NUMHOOKS]; 114 115 unsigned int num_entries; 116 117 unsigned int size; 118 }; 119 120 struct arpt_replace 121 { 122 123 char name[ARPT_TABLE_MAXNAMELEN]; 124 125 unsigned int valid_hooks; 126 127 unsigned int num_entries; 128 129 unsigned int size; 130 131 unsigned int hook_entry[NF_ARP_NUMHOOKS]; 132 133 unsigned int underflow[NF_ARP_NUMHOOKS]; 134 135 unsigned int num_counters; 136 137 struct xt_counters __user *counters; 138 139 struct arpt_entry entries[0]; 140 }; 141 142 #define arpt_counters_info xt_counters_info 143 144 struct arpt_get_entries 145 { 146 147 char name[ARPT_TABLE_MAXNAMELEN]; 148 149 unsigned int size; 150 151 struct arpt_entry entrytable[0]; 152 }; 153 154 #define ARPT_STANDARD_TARGET XT_STANDARD_TARGET 155 156 #define ARPT_ERROR_TARGET XT_ERROR_TARGET 157 158 #define ARPT_ENTRY_ITERATE(entries, size, fn, args...) ({ unsigned int __i; int __ret = 0; struct arpt_entry *__entry; for (__i = 0; __i < (size); __i += __entry->next_offset) { __entry = (void *)(entries) + __i; __ret = fn(__entry , ## args); if (__ret != 0) break; } __ret; }) 159 #endif 160
