MercurialSymaptic / file revision
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | raw | help
os/ossrv/genericopenlibs/cstdlib/LINCINET/TCP.H
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 /* TCP.H

     2  * 

     3  * Portions Copyright (c) 1997-1999 Nokia Corporation and/or its subsidiary(-ies).

     4  * All rights reserved.

     5  */

     6 

     7 /** @file

     8 @publishedAll

     9 @released

    10 */

    11 

    12 /*

    13  * Copyright (c) 1982, 1986 Regents of the University of California.

    14  * All rights reserved.  The Berkeley software License Agreement

    15  * specifies the terms and conditions for redistribution.

    16  */

    17 

    18 #ifndef	_NETINET_TCP_H

    19 #define	_NETINET_TCP_H

    20 

    21 #ifdef	__cplusplus

    22 extern "C" {

    23 #endif

    24 

    25 typedef	u_long	tcp_seq;

    26 /**

    27 TCP header.

    28 Per RFC 793, September, 1981.

    29 @PublishedAll

    30 */

    31 struct tcphdr {

    32 	u_short	th_sport;		/* source port */

    33 	u_short	th_dport;		/* destination port */

    34 	tcp_seq	th_seq;			/* sequence number */

    35 	tcp_seq	th_ack;			/* acknowledgement number */

    36 #ifdef _BIT_FIELDS_LTOH

    37 	u_int	th_x2:4,		/* (unused) */

    38 		th_off:4;		/* data offset */

    39 #else

    40 	u_int	th_off:4,		/* data offset */

    41 		th_x2:4;		/* (unused) */

    42 #endif

    43 	u_char	th_flags;

    44 /**

    45 @PublishedAll

    46 */

    47 #define	TH_FIN	0x01

    48 /**

    49 @PublishedAll

    50 */

    51 #define	TH_SYN	0x02

    52 /**

    53 @PublishedAll

    54 */

    55 #define	TH_RST	0x04

    56 /**

    57 @PublishedAll

    58 */

    59 #define	TH_PUSH	0x08

    60 /**

    61 @PublishedAll

    62 */

    63 #define	TH_ACK	0x10

    64 /**

    65 @PublishedAll

    66 */

    67 #define	TH_URG	0x20

    68 	u_short	th_win;			/* window */

    69 	u_short	th_sum;			/* checksum */

    70 	u_short	th_urp;			/* urgent pointer */

    71 };

    72 

    73 #define	TCPOPT_EOL	0

    74 #define	TCPOPT_NOP	1

    75 #define	TCPOPT_MAXSEG	2

    76 

    77 /**

    78 Default maximum segment size for TCP.

    79 With an IP MSS of 576, this is 536,

    80 but 512 is probably more convenient.

    81 */

    82 #ifdef	lint

    83 #define	TCP_MSS	536

    84 #else

    85 #define	TCP_MSS	MIN(512, IP_MSS - sizeof (struct tcpiphdr))

    86 #endif

    87 

    88 /**

    89 User-settable options (used with setsockopt).

    90 */

    91 #define	TCP_NODELAY	0x01	/* don't delay send to coalesce packets */

    92 #define	TCP_MAXSEG	0x02	/* set maximum segment size */

    93 

    94 #define	TCP_NOTIFY_THRESHOLD		0x10

    95 #define	TCP_ABORT_THRESHOLD		0x11

    96 #define	TCP_CONN_NOTIFY_THRESHOLD	0x12

    97 #define	TCP_CONN_ABORT_THRESHOLD	0x13

    98 

    99 

   100 #ifdef	__cplusplus

   101 }

   102 #endif

   103 

   104 #endif	/* _NETINET_TCP_H */
Symaptic