diff options
Diffstat (limited to 'mdk-stage1/dietlibc/include/netinet/ip.h')
| -rw-r--r-- | mdk-stage1/dietlibc/include/netinet/ip.h | 117 |
1 files changed, 116 insertions, 1 deletions
diff --git a/mdk-stage1/dietlibc/include/netinet/ip.h b/mdk-stage1/dietlibc/include/netinet/ip.h index 35bf9cc42..4ebf21706 100644 --- a/mdk-stage1/dietlibc/include/netinet/ip.h +++ b/mdk-stage1/dietlibc/include/netinet/ip.h @@ -1,6 +1,121 @@ #ifndef _NETINET_IP_H #define _NETINET_IP_H -#include <linux/ip.h> +#include <inttypes.h> +#include <endian.h> +#include <netinet/in.h> + +#define IPVERSION 4 /* IP version number */ +#define IP_MAXPACKET 65535 /* maximum packet size */ + +#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_LOWCOST IPTOS_MINCOST + +#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 + + +/* IP options */ +#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 + +/* struct timestamp, struct route and MAX_ROUTES are removed. + + REASONS: it is clear that nobody used them because: + - MAX_ROUTES value was wrong. + - "struct route" was wrong. + - "struct timestamp" had fatally misaligned bitfields and was completely unusable. + */ + +#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 /* timestamps only */ +#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */ +#define IPOPT_TS_PRESPEC 3 /* specified modules only */ + +struct iphdr { /* size 20/0x14 */ +#if __BYTE_ORDER == __LITTLE_ENDIAN + unsigned int ihl:4, version:4; /* offset 0; version=ip version (4) */ +#else + unsigned int version:4, ihl:4; /* offset 0; ihl=ip header length, measured in words (5) */ +#endif + unsigned char tos; /* offset 1 */ + unsigned short tot_len; /* offset 2; total bytes in packet in network byte order */ + unsigned short id; /* offset 4 */ + unsigned short frag_off; /* offset 6 */ + unsigned char ttl; /* offset 8 */ + unsigned char protocol; /* offset 9; 1=ICMP, 6=TCP, 17=UDP (see netinet/in.h) */ + unsigned short check; /* offset 10/0xa */ + unsigned int saddr; /* offset 12/0xc */ + unsigned int daddr; /* offset 16/0x10 */ + /*The options start here. */ +}; + +struct ip { +#if __BYTE_ORDER == __LITTLE_ENDIAN + unsigned int ip_hl:4; /* header length */ + unsigned int ip_v:4; /* version */ +#endif +#if __BYTE_ORDER == __BIG_ENDIAN + unsigned int ip_v:4; /* version */ + unsigned int ip_hl:4; /* header length */ +#endif + unsigned char ip_tos; /* type of service */ + unsigned short ip_len; /* total length */ + unsigned short ip_id; /* identification */ + unsigned short ip_off; /* fragment offset field */ +#define IP_RF 0x8000 /* reserved fragment flag */ +#define IP_DF 0x4000 /* dont fragment flag */ +#define IP_MF 0x2000 /* more fragments flag */ +#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ + unsigned char ip_ttl; /* time to live */ + unsigned char ip_p; /* protocol */ + unsigned short ip_sum; /* checksum */ + struct in_addr ip_src, ip_dst; /* source and dest address */ +}; #endif |