diff options
Diffstat (limited to 'tcp.h')
| -rw-r--r-- | tcp.h | 29 |
1 files changed, 14 insertions, 15 deletions
@@ -33,24 +33,23 @@ * @(#)tcp.h 8.1 (Berkeley) 6/10/93 */ -typedef uint32_t tcp_seq; /* * TCP header. * Per RFC 793, September, 1981. */ struct tcphdr { - uint16_t th_sport; /* source port */ - uint16_t th_dport; /* destination port */ - tcp_seq th_seq; /* sequence number */ - tcp_seq th_ack; /* acknowledgement number */ - uint8_t th_offx2; /* data offset, rsvd */ - uint8_t th_flags; - uint16_t th_win; /* window */ - uint16_t th_sum; /* checksum */ - uint16_t th_urp; /* urgent pointer */ -} UNALIGNED; + nd_uint16_t th_sport; /* source port */ + nd_uint16_t th_dport; /* destination port */ + nd_uint32_t th_seq; /* sequence number */ + nd_uint32_t th_ack; /* acknowledgement number */ + nd_uint8_t th_offx2; /* data offset, rsvd */ + nd_uint8_t th_flags; + nd_uint16_t th_win; /* window */ + nd_uint16_t th_sum; /* checksum */ + nd_uint16_t th_urp; /* urgent pointer */ +}; -#define TH_OFF(th) (((th)->th_offx2 & 0xf0) >> 4) +#define TH_OFF(th) ((GET_U_1((th)->th_offx2) & 0xf0) >> 4) /* TCP flags */ #define TH_FIN 0x01 @@ -104,15 +103,15 @@ struct tcphdr { #ifndef SMTP_PORT #define SMTP_PORT 25 #endif +#ifndef WHOIS_PORT +#define WHOIS_PORT 43 +#endif #ifndef NAMESERVER_PORT #define NAMESERVER_PORT 53 #endif #ifndef HTTP_PORT #define HTTP_PORT 80 #endif -#ifndef NETBIOS_NS_PORT -#define NETBIOS_NS_PORT 137 /* RFC 1001, RFC 1002 */ -#endif #ifndef NETBIOS_SSN_PORT #define NETBIOS_SSN_PORT 139 /* RFC 1001, RFC 1002 */ #endif |