diff options
author | osdl.net!shemminger <osdl.net!shemminger> | 2004-10-06 23:17:10 +0000 |
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committer | osdl.net!shemminger <osdl.net!shemminger> | 2004-10-06 23:17:10 +0000 |
commit | 6232f4b527b701f350675a3e399ee3681bd81688 (patch) | |
tree | 481e95efb3bcff51d9cc5c42d45111ec469c8d5d /include | |
parent | a42b1983eee1b653b068725cf11898aaeacc141a (diff) |
Initial revision
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/tcp.h | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index cca3ffb2..e69de29b 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -1,191 +0,0 @@ -/* - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * Definitions for the TCP protocol. - * - * Version: @(#)tcp.h 1.0.2 04/28/93 - * - * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#ifndef _LINUX_TCP_H -#define _LINUX_TCP_H - -#include <linux/types.h> -#include <asm/byteorder.h> - -struct tcphdr { - __u16 source; - __u16 dest; - __u32 seq; - __u32 ack_seq; -#if defined(__LITTLE_ENDIAN_BITFIELD) - __u16 res1:4, - doff:4, - fin:1, - syn:1, - rst:1, - psh:1, - ack:1, - urg:1, - ece:1, - cwr:1; -#elif defined(__BIG_ENDIAN_BITFIELD) - __u16 doff:4, - res1:4, - cwr:1, - ece:1, - urg:1, - ack:1, - psh:1, - rst:1, - syn:1, - fin:1; -#else -#error "Adjust your <asm/byteorder.h> defines" -#endif - __u16 window; - __u16 check; - __u16 urg_ptr; -}; - - -enum { - TCP_ESTABLISHED = 1, - TCP_SYN_SENT, - TCP_SYN_RECV, - TCP_FIN_WAIT1, - TCP_FIN_WAIT2, - TCP_TIME_WAIT, - TCP_CLOSE, - TCP_CLOSE_WAIT, - TCP_LAST_ACK, - TCP_LISTEN, - TCP_CLOSING, /* now a valid state */ - - TCP_MAX_STATES /* Leave at the end! */ -}; - -#define TCP_STATE_MASK 0xF -#define TCP_ACTION_FIN (1 << 7) - -enum { - TCPF_ESTABLISHED = (1 << 1), - TCPF_SYN_SENT = (1 << 2), - TCPF_SYN_RECV = (1 << 3), - TCPF_FIN_WAIT1 = (1 << 4), - TCPF_FIN_WAIT2 = (1 << 5), - TCPF_TIME_WAIT = (1 << 6), - TCPF_CLOSE = (1 << 7), - TCPF_CLOSE_WAIT = (1 << 8), - TCPF_LAST_ACK = (1 << 9), - TCPF_LISTEN = (1 << 10), - TCPF_CLOSING = (1 << 11) -}; - -/* - * The union cast uses a gcc extension to avoid aliasing problems - * (union is compatible to any of its members) - * This means this part of the code is -fstrict-aliasing safe now. - */ -union tcp_word_hdr { - struct tcphdr hdr; - __u32 words[5]; -}; - -#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3]) - -enum { - TCP_FLAG_CWR = __constant_htonl(0x00800000), - TCP_FLAG_ECE = __constant_htonl(0x00400000), - TCP_FLAG_URG = __constant_htonl(0x00200000), - TCP_FLAG_ACK = __constant_htonl(0x00100000), - TCP_FLAG_PSH = __constant_htonl(0x00080000), - TCP_FLAG_RST = __constant_htonl(0x00040000), - TCP_FLAG_SYN = __constant_htonl(0x00020000), - TCP_FLAG_FIN = __constant_htonl(0x00010000), - TCP_RESERVED_BITS = __constant_htonl(0x0F000000), - TCP_DATA_OFFSET = __constant_htonl(0xF0000000) -}; - -/* TCP socket options */ -#define TCP_NODELAY 1 /* Turn off Nagle's algorithm. */ -#define TCP_MAXSEG 2 /* Limit MSS */ -#define TCP_CORK 3 /* Never send partially complete segments */ -#define TCP_KEEPIDLE 4 /* Start keeplives after this period */ -#define TCP_KEEPINTVL 5 /* Interval between keepalives */ -#define TCP_KEEPCNT 6 /* Number of keepalives before death */ -#define TCP_SYNCNT 7 /* Number of SYN retransmits */ -#define TCP_LINGER2 8 /* Life time of orphaned FIN-WAIT-2 state */ -#define TCP_DEFER_ACCEPT 9 /* Wake up listener only when data arrive */ -#define TCP_WINDOW_CLAMP 10 /* Bound advertised window */ -#define TCP_INFO 11 /* Information about this connection. */ -#define TCP_QUICKACK 12 /* Block/reenable quick acks */ - -#define TCPI_OPT_TIMESTAMPS 1 -#define TCPI_OPT_SACK 2 -#define TCPI_OPT_WSCALE 4 -#define TCPI_OPT_ECN 8 - -enum tcp_ca_state -{ - TCP_CA_Open = 0, -#define TCPF_CA_Open (1<<TCP_CA_Open) - TCP_CA_Disorder = 1, -#define TCPF_CA_Disorder (1<<TCP_CA_Disorder) - TCP_CA_CWR = 2, -#define TCPF_CA_CWR (1<<TCP_CA_CWR) - TCP_CA_Recovery = 3, -#define TCPF_CA_Recovery (1<<TCP_CA_Recovery) - TCP_CA_Loss = 4 -#define TCPF_CA_Loss (1<<TCP_CA_Loss) -}; - -struct tcp_info -{ - __u8 tcpi_state; - __u8 tcpi_ca_state; - __u8 tcpi_retransmits; - __u8 tcpi_probes; - __u8 tcpi_backoff; - __u8 tcpi_options; - __u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4; - - __u32 tcpi_rto; - __u32 tcpi_ato; - __u32 tcpi_snd_mss; - __u32 tcpi_rcv_mss; - - __u32 tcpi_unacked; - __u32 tcpi_sacked; - __u32 tcpi_lost; - __u32 tcpi_retrans; - __u32 tcpi_fackets; - - /* Times. */ - __u32 tcpi_last_data_sent; - __u32 tcpi_last_ack_sent; /* Not remembered, sorry. */ - __u32 tcpi_last_data_recv; - __u32 tcpi_last_ack_recv; - - /* Metrics. */ - __u32 tcpi_pmtu; - __u32 tcpi_rcv_ssthresh; - __u32 tcpi_rtt; - __u32 tcpi_rttvar; - __u32 tcpi_snd_ssthresh; - __u32 tcpi_snd_cwnd; - __u32 tcpi_advmss; - __u32 tcpi_reordering; - - __u32 tcpi_rcv_rtt; - __u32 tcpi_rcv_space; -}; - -#endif /* _LINUX_TCP_H */ |