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 _LINUX_IP_H 13 #define _LINUX_IP_H 14 #include <linux/types.h> 15 #include <asm/byteorder.h> 16 17 #define IPTOS_TOS_MASK 0x1E 18 #define IPTOS_TOS(tos) ((tos)&IPTOS_TOS_MASK) 19 #define IPTOS_LOWDELAY 0x10 20 #define IPTOS_THROUGHPUT 0x08 21 #define IPTOS_RELIABILITY 0x04 22 #define IPTOS_MINCOST 0x02 23 24 #define IPTOS_PREC_MASK 0xE0 25 #define IPTOS_PREC(tos) ((tos)&IPTOS_PREC_MASK) 26 #define IPTOS_PREC_NETCONTROL 0xe0 27 #define IPTOS_PREC_INTERNETCONTROL 0xc0 28 #define IPTOS_PREC_CRITIC_ECP 0xa0 29 #define IPTOS_PREC_FLASHOVERRIDE 0x80 30 #define IPTOS_PREC_FLASH 0x60 31 #define IPTOS_PREC_IMMEDIATE 0x40 32 #define IPTOS_PREC_PRIORITY 0x20 33 #define IPTOS_PREC_ROUTINE 0x00 34 35 #define IPOPT_COPY 0x80 36 #define IPOPT_CLASS_MASK 0x60 37 #define IPOPT_NUMBER_MASK 0x1f 38 39 #define IPOPT_COPIED(o) ((o)&IPOPT_COPY) 40 #define IPOPT_CLASS(o) ((o)&IPOPT_CLASS_MASK) 41 #define IPOPT_NUMBER(o) ((o)&IPOPT_NUMBER_MASK) 42 43 #define IPOPT_CONTROL 0x00 44 #define IPOPT_RESERVED1 0x20 45 #define IPOPT_MEASUREMENT 0x40 46 #define IPOPT_RESERVED2 0x60 47 48 #define IPOPT_END (0 |IPOPT_CONTROL) 49 #define IPOPT_NOOP (1 |IPOPT_CONTROL) 50 #define IPOPT_SEC (2 |IPOPT_CONTROL|IPOPT_COPY) 51 #define IPOPT_LSRR (3 |IPOPT_CONTROL|IPOPT_COPY) 52 #define IPOPT_TIMESTAMP (4 |IPOPT_MEASUREMENT) 53 #define IPOPT_RR (7 |IPOPT_CONTROL) 54 #define IPOPT_SID (8 |IPOPT_CONTROL|IPOPT_COPY) 55 #define IPOPT_SSRR (9 |IPOPT_CONTROL|IPOPT_COPY) 56 #define IPOPT_RA (20|IPOPT_CONTROL|IPOPT_COPY) 57 58 #define IPVERSION 4 59 #define MAXTTL 255 60 #define IPDEFTTL 64 61 62 #define IPOPT_OPTVAL 0 63 #define IPOPT_OLEN 1 64 #define IPOPT_OFFSET 2 65 #define IPOPT_MINOFF 4 66 #define MAX_IPOPTLEN 40 67 #define IPOPT_NOP IPOPT_NOOP 68 #define IPOPT_EOL IPOPT_END 69 #define IPOPT_TS IPOPT_TIMESTAMP 70 71 #define IPOPT_TS_TSONLY 0 72 #define IPOPT_TS_TSANDADDR 1 73 #define IPOPT_TS_PRESPEC 3 74 75 struct iphdr { 76 #ifdef __LITTLE_ENDIAN_BITFIELD 77 __u8 ihl:4, 78 version:4; 79 #elif defined (__BIG_ENDIAN_BITFIELD) 80 __u8 version:4, 81 ihl:4; 82 #else 83 #error "Please fix <asm/byteorder.h>" 84 #endif 85 __u8 tos; 86 __be16 tot_len; 87 __be16 id; 88 __be16 frag_off; 89 __u8 ttl; 90 __u8 protocol; 91 __u16 check; 92 __be32 saddr; 93 __be32 daddr; 94 95 }; 96 97 struct ip_auth_hdr { 98 __u8 nexthdr; 99 __u8 hdrlen; 100 __u16 reserved; 101 __u32 spi; 102 __u32 seq_no; 103 __u8 auth_data[0]; 104 }; 105 106 struct ip_esp_hdr { 107 __u32 spi; 108 __u32 seq_no; 109 __u8 enc_data[0]; 110 }; 111 112 struct ip_comp_hdr { 113 __u8 nexthdr; 114 __u8 flags; 115 __u16 cpi; 116 }; 117 118 #endif 119