You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
160 lines
5.0 KiB
160 lines
5.0 KiB
/* |
|
* Copyright (c) 1982, 1986, 1993 |
|
* The Regents of the University of California. All rights reserved. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in the |
|
* documentation and/or other materials provided with the distribution. |
|
* 3. All advertising materials mentioning features or use of this software |
|
* must display the following acknowledgement: |
|
* This product includes software developed by the University of |
|
* California, Berkeley and its contributors. |
|
* 4. Neither the name of the University nor the names of its contributors |
|
* may be used to endorse or promote products derived from this software |
|
* without specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
|
* SUCH DAMAGE. |
|
* |
|
* @(#)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; |
|
|
|
#define TH_OFF(th) (((th)->th_offx2 & 0xf0) >> 4) |
|
|
|
/* TCP flags */ |
|
#define TH_FIN 0x01 |
|
#define TH_SYN 0x02 |
|
#define TH_RST 0x04 |
|
#define TH_PUSH 0x08 |
|
#define TH_ACK 0x10 |
|
#define TH_URG 0x20 |
|
#define TH_ECNECHO 0x40 /* ECN Echo */ |
|
#define TH_CWR 0x80 /* ECN Cwnd Reduced */ |
|
|
|
|
|
#define TCPOPT_EOL 0 |
|
#define TCPOPT_NOP 1 |
|
#define TCPOPT_MAXSEG 2 |
|
#define TCPOLEN_MAXSEG 4 |
|
#define TCPOPT_WSCALE 3 /* window scale factor (rfc1323) */ |
|
#define TCPOPT_SACKOK 4 /* selective ack ok (rfc2018) */ |
|
#define TCPOPT_SACK 5 /* selective ack (rfc2018) */ |
|
#define TCPOPT_ECHO 6 /* echo (rfc1072) */ |
|
#define TCPOPT_ECHOREPLY 7 /* echo (rfc1072) */ |
|
#define TCPOPT_TIMESTAMP 8 /* timestamp (rfc1323) */ |
|
#define TCPOLEN_TIMESTAMP 10 |
|
#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */ |
|
#define TCPOPT_CC 11 /* T/TCP CC options (rfc1644) */ |
|
#define TCPOPT_CCNEW 12 /* T/TCP CC options (rfc1644) */ |
|
#define TCPOPT_CCECHO 13 /* T/TCP CC options (rfc1644) */ |
|
#define TCPOPT_SIGNATURE 19 /* Keyed MD5 (rfc2385) */ |
|
#define TCPOLEN_SIGNATURE 18 |
|
#define TCP_SIGLEN 16 /* length of an option 19 digest */ |
|
#define TCPOPT_SCPS 20 /* SCPS-TP (CCSDS 714.0-B-2) */ |
|
#define TCPOPT_UTO 28 /* tcp user timeout (rfc5482) */ |
|
#define TCPOLEN_UTO 4 |
|
#define TCPOPT_TCPAO 29 /* TCP authentication option (rfc5925) */ |
|
#define TCPOPT_MPTCP 30 /* MPTCP options */ |
|
#define TCPOPT_FASTOPEN 34 /* TCP Fast Open (rfc7413) */ |
|
#define TCPOPT_EXPERIMENT2 254 /* experimental headers (rfc4727) */ |
|
|
|
#define TCPOPT_TSTAMP_HDR \ |
|
(TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP) |
|
|
|
#ifndef FTP_PORT |
|
#define FTP_PORT 21 |
|
#endif |
|
#ifndef SSH_PORT |
|
#define SSH_PORT 22 |
|
#endif |
|
#ifndef TELNET_PORT |
|
#define TELNET_PORT 23 |
|
#endif |
|
#ifndef SMTP_PORT |
|
#define SMTP_PORT 25 |
|
#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 |
|
#ifndef BGP_PORT |
|
#define BGP_PORT 179 |
|
#endif |
|
#ifndef RPKI_RTR_PORT |
|
#define RPKI_RTR_PORT 323 |
|
#endif |
|
#ifndef SMB_PORT |
|
#define SMB_PORT 445 |
|
#endif |
|
#ifndef RTSP_PORT |
|
#define RTSP_PORT 554 |
|
#endif |
|
#ifndef MSDP_PORT |
|
#define MSDP_PORT 639 |
|
#endif |
|
#ifndef LDP_PORT |
|
#define LDP_PORT 646 |
|
#endif |
|
#ifndef PPTP_PORT |
|
#define PPTP_PORT 1723 |
|
#endif |
|
#ifndef NFS_PORT |
|
#define NFS_PORT 2049 |
|
#endif |
|
#ifndef OPENFLOW_PORT_OLD |
|
#define OPENFLOW_PORT_OLD 6633 |
|
#endif |
|
#ifndef OPENFLOW_PORT_IANA |
|
#define OPENFLOW_PORT_IANA 6653 |
|
#endif |
|
#ifndef HTTP_PORT_ALT |
|
#define HTTP_PORT_ALT 8080 |
|
#endif |
|
#ifndef RTSP_PORT_ALT |
|
#define RTSP_PORT_ALT 8554 |
|
#endif |
|
#ifndef BEEP_PORT |
|
#define BEEP_PORT 10288 |
|
#endif |
|
#ifndef REDIS_PORT |
|
#define REDIS_PORT 6379 |
|
#endif
|
|
|