|  | /**************************************************************************** | 
|  | **************************************************************************** | 
|  | *** | 
|  | ***   This header was automatically generated from a Linux kernel header | 
|  | ***   of the same name, to make information necessary for userspace to | 
|  | ***   call into the kernel available to libc.  It contains only constants, | 
|  | ***   structures, and macros generated from the original header, and thus, | 
|  | ***   contains no copyrightable information. | 
|  | *** | 
|  | **************************************************************************** | 
|  | ****************************************************************************/ | 
|  | #ifndef _LINUX_IP_H | 
|  | #define _LINUX_IP_H | 
|  | #include <linux/types.h> | 
|  | #include <asm/byteorder.h> | 
|  |  | 
|  | #define IPTOS_TOS_MASK 0x1E | 
|  | #define IPTOS_TOS(tos) ((tos)&IPTOS_TOS_MASK) | 
|  | #define IPTOS_LOWDELAY 0x10 | 
|  | #define IPTOS_THROUGHPUT 0x08 | 
|  | #define IPTOS_RELIABILITY 0x04 | 
|  | #define IPTOS_MINCOST 0x02 | 
|  |  | 
|  | #define IPTOS_PREC_MASK 0xE0 | 
|  | #define IPTOS_PREC(tos) ((tos)&IPTOS_PREC_MASK) | 
|  | #define IPTOS_PREC_NETCONTROL 0xe0 | 
|  | #define IPTOS_PREC_INTERNETCONTROL 0xc0 | 
|  | #define IPTOS_PREC_CRITIC_ECP 0xa0 | 
|  | #define IPTOS_PREC_FLASHOVERRIDE 0x80 | 
|  | #define IPTOS_PREC_FLASH 0x60 | 
|  | #define IPTOS_PREC_IMMEDIATE 0x40 | 
|  | #define IPTOS_PREC_PRIORITY 0x20 | 
|  | #define IPTOS_PREC_ROUTINE 0x00 | 
|  |  | 
|  | #define IPOPT_COPY 0x80 | 
|  | #define IPOPT_CLASS_MASK 0x60 | 
|  | #define IPOPT_NUMBER_MASK 0x1f | 
|  |  | 
|  | #define IPOPT_COPIED(o) ((o)&IPOPT_COPY) | 
|  | #define IPOPT_CLASS(o) ((o)&IPOPT_CLASS_MASK) | 
|  | #define IPOPT_NUMBER(o) ((o)&IPOPT_NUMBER_MASK) | 
|  |  | 
|  | #define IPOPT_CONTROL 0x00 | 
|  | #define IPOPT_RESERVED1 0x20 | 
|  | #define IPOPT_MEASUREMENT 0x40 | 
|  | #define IPOPT_RESERVED2 0x60 | 
|  |  | 
|  | #define IPOPT_END (0 |IPOPT_CONTROL) | 
|  | #define IPOPT_NOOP (1 |IPOPT_CONTROL) | 
|  | #define IPOPT_SEC (2 |IPOPT_CONTROL|IPOPT_COPY) | 
|  | #define IPOPT_LSRR (3 |IPOPT_CONTROL|IPOPT_COPY) | 
|  | #define IPOPT_TIMESTAMP (4 |IPOPT_MEASUREMENT) | 
|  | #define IPOPT_RR (7 |IPOPT_CONTROL) | 
|  | #define IPOPT_SID (8 |IPOPT_CONTROL|IPOPT_COPY) | 
|  | #define IPOPT_SSRR (9 |IPOPT_CONTROL|IPOPT_COPY) | 
|  | #define IPOPT_RA (20|IPOPT_CONTROL|IPOPT_COPY) | 
|  |  | 
|  | #define IPVERSION 4 | 
|  | #define MAXTTL 255 | 
|  | #define IPDEFTTL 64 | 
|  |  | 
|  | #define IPOPT_OPTVAL 0 | 
|  | #define IPOPT_OLEN 1 | 
|  | #define IPOPT_OFFSET 2 | 
|  | #define IPOPT_MINOFF 4 | 
|  | #define MAX_IPOPTLEN 40 | 
|  | #define IPOPT_NOP IPOPT_NOOP | 
|  | #define IPOPT_EOL IPOPT_END | 
|  | #define IPOPT_TS IPOPT_TIMESTAMP | 
|  |  | 
|  | #define IPOPT_TS_TSONLY 0 | 
|  | #define IPOPT_TS_TSANDADDR 1 | 
|  | #define IPOPT_TS_PRESPEC 3 | 
|  |  | 
|  | struct iphdr { | 
|  | #ifdef __LITTLE_ENDIAN_BITFIELD | 
|  | __u8 ihl:4, | 
|  | version:4; | 
|  | #elif defined (__BIG_ENDIAN_BITFIELD) | 
|  | __u8 version:4, | 
|  | ihl:4; | 
|  | #else | 
|  | #error "Please fix <asm/byteorder.h>" | 
|  | #endif | 
|  | __u8 tos; | 
|  | __be16 tot_len; | 
|  | __be16 id; | 
|  | __be16 frag_off; | 
|  | __u8 ttl; | 
|  | __u8 protocol; | 
|  | __u16 check; | 
|  | __be32 saddr; | 
|  | __be32 daddr; | 
|  |  | 
|  | }; | 
|  |  | 
|  | struct ip_auth_hdr { | 
|  | __u8 nexthdr; | 
|  | __u8 hdrlen; | 
|  | __u16 reserved; | 
|  | __u32 spi; | 
|  | __u32 seq_no; | 
|  | __u8 auth_data[0]; | 
|  | }; | 
|  |  | 
|  | struct ip_esp_hdr { | 
|  | __u32 spi; | 
|  | __u32 seq_no; | 
|  | __u8 enc_data[0]; | 
|  | }; | 
|  |  | 
|  | struct ip_comp_hdr { | 
|  | __u8 nexthdr; | 
|  | __u8 flags; | 
|  | __u16 cpi; | 
|  | }; | 
|  |  | 
|  | #endif |