/* Modified for emx by hv 1996 * * Copyright (c) 1982, 1986 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. * * from: @(#)tcp_var.h 7.10 (Berkeley) 6/28/90 * $Id: tcp_var.h,v 1.7 1994/01/10 23:27:47 mycroft Exp $ */ #ifndef _NETINET_TCP_VAR_H_ #define _NETINET_TCP_VAR_H_ /* * TCP statistics. * Many of these should be kept per connection, * but that's inconvenient at the moment. */ struct tcpstat { u_long tcps_connattempt; /* connections initiated */ u_long tcps_accepts; /* connections accepted */ u_long tcps_connects; /* connections established */ u_long tcps_drops; /* connections dropped */ u_long tcps_conndrops; /* embryonic connections dropped */ u_long tcps_closed; /* conn. closed (includes drops) */ u_long tcps_segstimed; /* segs where we tried to get rtt */ u_long tcps_rttupdated; /* times we succeeded */ u_long tcps_delack; /* delayed acks sent */ u_long tcps_timeoutdrop; /* conn. dropped in rxmt timeout */ u_long tcps_rexmttimeo; /* retransmit timeouts */ u_long tcps_persisttimeo; /* persist timeouts */ u_long tcps_keeptimeo; /* keepalive timeouts */ u_long tcps_keepprobe; /* keepalive probes sent */ u_long tcps_keepdrops; /* connections dropped in keepalive */ u_long tcps_sndtotal; /* total packets sent */ u_long tcps_sndpack; /* data packets sent */ u_long tcps_sndbyte; /* data bytes sent */ u_long tcps_sndrexmitpack; /* data packets retransmitted */ u_long tcps_sndrexmitbyte; /* data bytes retransmitted */ u_long tcps_sndacks; /* ack-only packets sent */ u_long tcps_sndprobe; /* window probes sent */ u_long tcps_sndurg; /* packets sent with URG only */ u_long tcps_sndwinup; /* window update-only packets sent */ u_long tcps_sndctrl; /* control (SYN|FIN|RST) packets sent */ u_long tcps_sndrst; /* RST packets sent, MIB II ... */ u_long tcps_rcvtotal; /* total packets received */ u_long tcps_rcvpack; /* packets received in sequence */ u_long tcps_rcvbyte; /* bytes received in sequence */ u_long tcps_rcvbadsum; /* packets received with ccksum errs */ u_long tcps_rcvbadoff; /* packets received with bad offset */ u_long tcps_rcvshort; /* packets received too short */ u_long tcps_rcvduppack; /* duplicate-only packets received */ u_long tcps_rcvdupbyte; /* duplicate-only bytes received */ u_long tcps_rcvpartduppack; /* packets with some duplicate data */ u_long tcps_rcvpartdupbyte; /* dup. bytes in part-dup. packets */ u_long tcps_rcvoopack; /* out-of-order packets received */ u_long tcps_rcvoobyte; /* out-of-order bytes received */ u_long tcps_rcvpackafterwin; /* packets with data after window */ u_long tcps_rcvbyteafterwin; /* bytes rcvd after window */ u_long tcps_rcvafterclose; /* packets rcvd after "close" */ u_long tcps_rcvwinprobe; /* rcvd window probe packets */ u_long tcps_rcvdupack; /* rcvd duplicate acks */ u_long tcps_rcvacktoomuch; /* rcvd acks for unsent data */ u_long tcps_rcvackpack; /* rcvd ack packets */ u_long tcps_rcvackbyte; /* bytes acked by rcvd acks */ u_long tcps_rcvwinupd; /* rcvd window update packets */ #ifndef TCPV40HDRS u_long tcps_pawsdrop; /* segments dropped due to PAWS */ u_long tcps_predack; /* times hdr predict ok for acks */ u_long tcps_preddat; /* times hdr predict ok for data pkts*/ u_long tcps_pcbcachemiss; u_long tcps_persistdrop; /* timeout in persist state */ u_long tcps_badsyn; /* bogus SYN, e.g. premature ACK */ /* the fillowing 7 are for mtudisco and ttcp */ u_long tcps_mturesent; /* resends due to MTU discovery */ u_long tcps_cachedrtt; /* times cached RTT in route updated */ u_long tcps_cachedrttvar; /* times cached rttvar updated */ u_long tcps_cachedssthresh; /* times cached ssthresh updated */ u_long tcps_usedrtt; /* times RTT initialized from route */ u_long tcps_usedrttvar; /* times RTTVAR initialized from rt */ u_long tcps_usedssthresh; /* times ssthresh initialized from rt*/ #endif }; #ifndef TCPV40HDRS /* * Names for TCP sysctl objects */ #define TCPCTL_MSSDFLT 1 /* MSS default */ #define TCPCTL_STATS 2 /* statistics (read-only) */ #define TCPCTL_RTTDFLT 3 /* default RTT estimate */ #define TCPCTL_MSL 4 /* No Of Keepalive probes */ #define TCPCTL_INETCFG 6 /* Generic TCP Inetcfg switching */ #define TCPCTL_LINGERTIME 7 /* Linger On close timer */ #define TCPCTL_KEEPCNT 8 /* No Of Keepalive probes */ #define TCPCTL_TCPSWIN 9 /* TCP Send Window Size */ #define TCPCTL_TCPRWIN 10 /* TCP Recieve Window Size */ #define TCPCTL_TTL 11 /* TTL for TCP packets */ #define TCPCTL_MTU 12 /* Path MTU Discovery ON/OFF flg */ #define TCPCTL_WINSCALE 13 /* Winow Scale (Fat Pipe) ON/OFF flg */ #define TCPCTL_TIMESTMP 14 /* TCP TimeStamp ON/OFF flg */ #define TCPCTL_CC 15 /* Cc, CCnew & Echo ON/OFF flg */ #define TCPCTL_REALSLOW 16 /* Real Slow Timer for Time Wait Q */ #define TCPCTL_REUSETW 17 /* Reuse TW inetcfg */ #define TCPCTL_SYNCOOKIE 18 /* Syncookie inetcfg */ #define TCPCTL_PERFHTTP 19 /* Fast Path HTTP */ /*Inetcfg ioctl constants */ #define ICFG_SETKEEPALIVE 20 /* sysctl code:Set the KeepAlive timer */ #define ICFG_GETKEEPALIVE 21 /* sysctl code:Get the KeepAlive timer defaults */ #define TCPCTL_NAMES { \ { 0, 0 }, \ { "mssdflt", CTLTYPE_INT }, \ { "stats", CTLTYPE_STRUCT }, \ { "rttdflt", CTLTYPE_INT }, \ { "inetcfg", CTLTYPE_INETCFG },\ } #endif /* !TCPV40HDRS */ #endif /* !_NETINET_TCP_VAR_H_ */