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[/] [or1k/] [trunk/] [ecos-2.0/] [packages/] [net/] [tcpip/] [v2_0/] [include/] [netinet/] [tcp_fsm.h] - Rev 1765
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//========================================================================== // // include/netinet_tcp_fsm.h // // // //========================================================================== //####BSDCOPYRIGHTBEGIN#### // // ------------------------------------------- // // Portions of this software may have been derived from OpenBSD or other sources, // and are covered by the appropriate copyright disclaimers included herein. // // ------------------------------------------- // //####BSDCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): gthomas // Contributors: gthomas // Date: 2000-01-10 // Purpose: // Description: // // //####DESCRIPTIONEND#### // //========================================================================== /* $OpenBSD: tcp_fsm.h,v 1.4 1997/11/08 19:54:12 deraadt Exp $ */ /* $NetBSD: tcp_fsm.h,v 1.6 1994/10/14 16:01:48 mycroft Exp $ */ /* * 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_fsm.h 8.1 (Berkeley) 6/10/93 */ #ifndef _NETINET_TCP_FSM_H_ #define _NETINET_TCP_FSM_H_ /* * TCP FSM state definitions. * Per RFC793, September, 1981. */ #define TCP_NSTATES 11 #define TCPS_CLOSED 0 /* closed */ #define TCPS_LISTEN 1 /* listening for connection */ #define TCPS_SYN_SENT 2 /* active, have sent syn */ #define TCPS_SYN_RECEIVED 3 /* have sent and received syn */ /* states < TCPS_ESTABLISHED are those where connections not established */ #define TCPS_ESTABLISHED 4 /* established */ #define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ /* states > TCPS_CLOSE_WAIT are those where user has closed */ #define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ #define TCPS_CLOSING 7 /* closed xchd FIN; await ACK */ #define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ /* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */ #define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ #define TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ #define TCPS_HAVERCVDSYN(s) ((s) >= TCPS_SYN_RECEIVED) #define TCPS_HAVEESTABLISHED(s) ((s) >= TCPS_ESTABLISHED) #define TCPS_HAVERCVDFIN(s) ((s) >= TCPS_TIME_WAIT) #ifdef TCPOUTFLAGS /* * Flags used when sending segments in tcp_output. * Basic flags (TH_RST,TH_ACK,TH_SYN,TH_FIN) are totally * determined by state, with the proviso that TH_FIN is sent only * if all data queued for output is included in the segment. */ u_char tcp_outflags[TCP_NSTATES] = { TH_RST|TH_ACK, 0, TH_SYN, TH_SYN|TH_ACK, TH_ACK, TH_ACK, TH_FIN|TH_ACK, TH_ACK, TH_FIN|TH_ACK, TH_ACK, TH_ACK, }; #endif #ifdef KPROF int tcp_acounts[TCP_NSTATES][PRU_NREQ]; #endif #ifdef TCPSTATES char *tcpstates[] = { "CLOSED", "LISTEN", "SYN_SENT", "SYN_RCVD", "ESTABLISHED", "CLOSE_WAIT", "FIN_WAIT_1", "CLOSING", "LAST_ACK", "FIN_WAIT_2", "TIME_WAIT", }; #endif #endif // _NETINET_TCP_FSM_H_