diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/netinet/ip.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/netinet/ip.h | 168 |
1 files changed, 94 insertions, 74 deletions
diff --git a/sysdeps/unix/sysv/linux/netinet/ip.h b/sysdeps/unix/sysv/linux/netinet/ip.h index c779db4e87..89c2b1d296 100644 --- a/sysdeps/unix/sysv/linux/netinet/ip.h +++ b/sysdeps/unix/sysv/linux/netinet/ip.h @@ -26,62 +26,65 @@ __BEGIN_DECLS -struct timestamp { - u_int8_t len; - u_int8_t ptr; +struct timestamp + { + u_int8_t len; + u_int8_t ptr; #if __BYTE_ORDER == __LITTLE_ENDIAN - u_int8_t flags:4, - overflow:4; + u_int8_t flags:4; + u_int8_t overflow:4; #elif __BYTE_ORDER == __BIG_ENDIAN - u_int8_t overflow:4, - flags:4; + u_int8_t overflow:4; + u_int8_t flags:4; #else #error "Please fix <bytesex.h>" -#endif - u_int32_t data[9]; -}; - -struct ip_options { - u_int32_t faddr; /* Saved first hop address */ - u_int8_t optlen; - u_int8_t srr; - u_int8_t rr; - u_int8_t ts; - u_int8_t is_setbyuser:1, /* Set by setsockopt? */ - is_data:1, /* Options in __data, rather than skb */ - is_strictroute:1, /* Strict source route */ - srr_is_hit:1, /* Packet destination addr was our one */ - is_changed:1, /* IP checksum more not valid */ - rr_needaddr:1, /* Need to record addr of outgoing dev */ - ts_needtime:1, /* Need to record timestamp */ - ts_needaddr:1; /* Need to record addr of outgoing dev */ - u_int8_t router_alert; - u_int8_t __pad1; - u_int8_t __pad2; - u_int8_t __data[0]; -}; - -struct iphdr { +#endif + u_int32_t data[9]; + }; + +struct ip_options + { + u_int32_t faddr; /* Saved first hop address */ + u_int8_t optlen; + u_int8_t srr; + u_int8_t rr; + u_int8_t ts; + u_int8_t is_setbyuser:1; /* Set by setsockopt? */ + u_int8_t is_data:1; /* Options in __data, rather than skb */ + u_int8_t is_strictroute:1; /* Strict source route */ + u_int8_t srr_is_hit:1; /* Packet destination addr was our one */ + u_int8_t is_changed:1; /* IP checksum more not valid */ + u_int8_t rr_needaddr:1; /* Need to record addr of outgoing dev */ + u_int8_t ts_needtime:1; /* Need to record timestamp */ + u_int8_t ts_needaddr:1; /* Need to record addr of outgoing dev */ + u_int8_t router_alert; + u_int8_t __pad1; + u_int8_t __pad2; + u_int8_t __data[0]; + }; + +struct iphdr + { #if __BYTE_ORDER == __LITTLE_ENDIAN - u_int8_t ihl:4, - version:4; + u_int8_t ihl:4; + u_int8_t version:4; #elif __BYTE_ORDER == __BIG_ENDIAN - u_int8_t version:4, - ihl:4; + u_int8_t version:4; + u_int8_t ihl:4; #else #error "Please fix <bytesex.h>" #endif - u_int8_t tos; - u_int16_t tot_len; - u_int16_t id; - u_int16_t frag_off; - u_int8_t ttl; - u_int8_t protocol; - u_int16_t check; - u_int32_t saddr; - u_int32_t daddr; - /*The options start here. */ -}; + u_int8_t tos; + u_int16_t tot_len; + u_int16_t id; + u_int16_t frag_off; + u_int8_t ttl; + u_int8_t protocol; + u_int16_t check; + u_int32_t saddr; + u_int32_t daddr; + /*The options start here. */ + }; #ifdef __USE_BSD /* @@ -127,46 +130,48 @@ struct iphdr { /* * Structure of an internet header, naked of options. */ -struct ip { +struct ip + { #if __BYTE_ORDER == __LITTLE_ENDIAN - u_int8_t ip_hl:4, /* header length */ - ip_v:4; /* version */ + u_int8_t ip_hl:4; /* header length */ + u_int8_t ip_v:4; /* version */ #endif #if __BYTE_ORDER == __BIG_ENDIAN - u_int8_t ip_v:4, /* version */ - ip_hl:4; /* header length */ + u_int8_t ip_v:4; /* version */ + u_int8_t ip_hl:4; /* header length */ #endif - u_int8_t ip_tos; /* type of service */ - u_short ip_len; /* total length */ - u_short ip_id; /* identification */ - u_short ip_off; /* fragment offset field */ + u_int8_t ip_tos; /* type of service */ + u_short ip_len; /* total length */ + u_short ip_id; /* identification */ + u_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 */ - u_int8_t ip_ttl; /* time to live */ - u_int8_t ip_p; /* protocol */ - u_short ip_sum; /* checksum */ - struct in_addr ip_src, ip_dst; /* source and dest address */ -}; + u_int8_t ip_ttl; /* time to live */ + u_int8_t ip_p; /* protocol */ + u_short ip_sum; /* checksum */ + struct in_addr ip_src, ip_dst; /* source and dest address */ + }; /* * Time stamp option structure. */ -struct ip_timestamp { - u_int8_t ipt_code; /* IPOPT_TS */ - u_int8_t ipt_len; /* size of structure (variable) */ - u_int8_t ipt_ptr; /* index of current entry */ +struct ip_timestamp + { + u_int8_t ipt_code; /* IPOPT_TS */ + u_int8_t ipt_len; /* size of structure (variable) */ + u_int8_t ipt_ptr; /* index of current entry */ #if __BYTE_ORDER == __LITTLE_ENDIAN - u_int8_t ipt_flg:4, /* flags, see below */ - ipt_oflw:4; /* overflow counter */ + u_int8_t ipt_flg:4, /* flags, see below */ + u_int8_t ipt_oflw:4; /* overflow counter */ #endif #if __BYTE_ORDER == __BIG_ENDIAN - u_int8_t ipt_oflw:4, /* overflow counter */ - ipt_flg:4; /* flags, see below */ + u_int8_t ipt_oflw:4, /* overflow counter */ + u_int8_t ipt_flg:4; /* flags, see below */ #endif - u_int32_t data[9]; -}; + u_int32_t data[9]; + }; #endif /* __USE_BSD */ #define IPVERSION 4 /* IP version number */ @@ -175,6 +180,8 @@ struct ip_timestamp { /* * Definitions for IP type of service (ip_tos) */ +#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 @@ -184,6 +191,8 @@ struct ip_timestamp { /* * Definitions for IP precedence (also in ip_tos) (hopefully unused) */ +#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 @@ -196,24 +205,35 @@ struct ip_timestamp { /* * Definitions for options. */ -#define IPOPT_COPIED(o) ((o)&0x80) -#define IPOPT_CLASS(o) ((o)&0x60) -#define IPOPT_NUMBER(o) ((o)&0x1f) +#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_DEBMEAS 0x40 +#define IPOPT_MEASUREMENT IPOPT_DEBMEAS #define IPOPT_RESERVED2 0x60 #define IPOPT_EOL 0 /* end of option list */ +#define IPOPT_END IPOPT_EOL #define IPOPT_NOP 1 /* no operation */ +#define IPOPT_NOOP IP_NOP #define IPOPT_RR 7 /* record packet route */ #define IPOPT_TS 68 /* timestamp */ +#define IPOPT_TIMESTAMP IPOPT_TS #define IPOPT_SECURITY 130 /* provide s,c,h,tcc */ +#define IPOPT_SEC IPOPT_SECURITY #define IPOPT_LSRR 131 /* loose source route */ #define IPOPT_SATID 136 /* satnet id */ +#define IPOPT_SID IPOPT_SATID #define IPOPT_SSRR 137 /* strict source route */ +#define IPOPT_RA 148 /* router alert */ /* * Offsets to fields in options other than EOL and NOP. |