| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the License |
| | 10 | * may not be used to create, or enable the creation or redistribution of, |
| | 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| | 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| | 13 | * terms of an Apple operating system software license agreement. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 18 | * The Original Code and all software distributed under the License are |
| | 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 23 | * Please see the License for the specific language governing rights and |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | /* |
| | 29 | * Copyright (c) 1982, 1986, 1993 |
| | 30 | * The Regents of the University of California. All rights reserved. |
| | 31 | * |
| | 32 | * Redistribution and use in source and binary forms, with or without |
| | 33 | * modification, are permitted provided that the following conditions |
| | 34 | * are met: |
| | 35 | * 1. Redistributions of source code must retain the above copyright |
| | 36 | * notice, this list of conditions and the following disclaimer. |
| | 37 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 38 | * notice, this list of conditions and the following disclaimer in the |
| | 39 | * documentation and/or other materials provided with the distribution. |
| | 40 | * 3. All advertising materials mentioning features or use of this software |
| | 41 | * must display the following acknowledgement: |
| | 42 | * This product includes software developed by the University of |
| | 43 | * California, Berkeley and its contributors. |
| | 44 | * 4. Neither the name of the University nor the names of its contributors |
| | 45 | * may be used to endorse or promote products derived from this software |
| | 46 | * without specific prior written permission. |
| | 47 | * |
| | 48 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 49 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 51 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 54 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 55 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 56 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 57 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 58 | * SUCH DAMAGE. |
| | 59 | * |
| | 60 | * @(#)tcp_fsm.h 8.1 (Berkeley) 6/10/93 |
| | 61 | * $FreeBSD: src/sys/netinet/tcp_fsm.h,v 1.14 1999/11/07 04:18:30 jlemon Exp $ |
| | 62 | */ |
| | 63 | |
| | 64 | #ifndef _NETINET_TCP_FSM_H_ |
| | 65 | #define _NETINET_TCP_FSM_H_ |
| | 66 | #include <sys/appleapiopts.h> |
| | 67 | |
| | 68 | /* |
| | 69 | * TCP FSM state definitions. |
| | 70 | * Per RFC793, September, 1981. |
| | 71 | */ |
| | 72 | |
| | 73 | #define TCP_NSTATES 11 |
| | 74 | |
| | 75 | #define TCPS_CLOSED 0 /* closed */ |
| | 76 | #define TCPS_LISTEN 1 /* listening for connection */ |
| | 77 | #define TCPS_SYN_SENT 2 /* active, have sent syn */ |
| | 78 | #define TCPS_SYN_RECEIVED 3 /* have send and received syn */ |
| | 79 | /* states < TCPS_ESTABLISHED are those where connections not established */ |
| | 80 | #define TCPS_ESTABLISHED 4 /* established */ |
| | 81 | #define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ |
| | 82 | /* states > TCPS_CLOSE_WAIT are those where user has closed */ |
| | 83 | #define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ |
| | 84 | #define TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ |
| | 85 | #define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ |
| | 86 | /* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */ |
| | 87 | #define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ |
| | 88 | #define TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ |
| | 89 | |
| | 90 | /* for KAME src sync over BSD*'s */ |
| | 91 | #define TCP6_NSTATES TCP_NSTATES |
| | 92 | #define TCP6S_CLOSED TCPS_CLOSED |
| | 93 | #define TCP6S_LISTEN TCPS_LISTEN |
| | 94 | #define TCP6S_SYN_SENT TCPS_SYN_SENT |
| | 95 | #define TCP6S_SYN_RECEIVED TCPS_SYN_RECEIVED |
| | 96 | #define TCP6S_ESTABLISHED TCPS_ESTABLISHED |
| | 97 | #define TCP6S_CLOSE_WAIT TCPS_CLOSE_WAIT |
| | 98 | #define TCP6S_FIN_WAIT_1 TCPS_FIN_WAIT_1 |
| | 99 | #define TCP6S_CLOSING TCPS_CLOSING |
| | 100 | #define TCP6S_LAST_ACK TCPS_LAST_ACK |
| | 101 | #define TCP6S_FIN_WAIT_2 TCPS_FIN_WAIT_2 |
| | 102 | #define TCP6S_TIME_WAIT TCPS_TIME_WAIT |
| | 103 | |
| | 104 | #define TCPS_HAVERCVDSYN(s) ((s) >= TCPS_SYN_RECEIVED) |
| | 105 | #define TCPS_HAVEESTABLISHED(s) ((s) >= TCPS_ESTABLISHED) |
| | 106 | #define TCPS_HAVERCVDFIN(s) ((s) >= TCPS_TIME_WAIT) |
| | 107 | #define TCPS_HAVERCVDFIN2(s) ((s) == TCPS_CLOSE_WAIT || \ |
| | 108 | (s) == TCPS_CLOSING || \ |
| | 109 | (s) == TCPS_LAST_ACK || \ |
| | 110 | (s) == TCPS_TIME_WAIT) |
| | 111 | |
| | 112 | #ifdef KERNEL_PRIVATE |
| | 113 | #ifdef TCPOUTFLAGS |
| | 114 | /* |
| | 115 | * Flags used when sending segments in tcp_output. |
| | 116 | * Basic flags (TH_RST,TH_ACK,TH_SYN,TH_FIN) are totally |
| | 117 | * determined by state, with the proviso that TH_FIN is sent only |
| | 118 | * if all data queued for output is included in the segment. |
| | 119 | */ |
| | 120 | static u_char tcp_outflags[TCP_NSTATES] = { |
| | 121 | TH_RST|TH_ACK, /* 0, CLOSED */ |
| | 122 | 0, /* 1, LISTEN */ |
| | 123 | TH_SYN, /* 2, SYN_SENT */ |
| | 124 | TH_SYN|TH_ACK, /* 3, SYN_RECEIVED */ |
| | 125 | TH_ACK, /* 4, ESTABLISHED */ |
| | 126 | TH_ACK, /* 5, CLOSE_WAIT */ |
| | 127 | TH_FIN|TH_ACK, /* 6, FIN_WAIT_1 */ |
| | 128 | TH_FIN|TH_ACK, /* 7, CLOSING */ |
| | 129 | TH_FIN|TH_ACK, /* 8, LAST_ACK */ |
| | 130 | TH_ACK, /* 9, FIN_WAIT_2 */ |
| | 131 | TH_ACK, /* 10, TIME_WAIT */ |
| | 132 | }; |
| | 133 | #endif |
| | 134 | #endif /* KERNEL_PRIVATE */ |
| | 135 | |
| | 136 | #if KPROF |
| | 137 | #ifdef KERNEL_PRIVATE |
| | 138 | int tcp_acounts[TCP_NSTATES][PRU_NREQ]; |
| | 139 | #endif /* KERNEL_PRIVATE */ |
| | 140 | #endif |
| | 141 | |
| | 142 | #ifdef TCPSTATES |
| | 143 | char *tcpstates[] = { |
| | 144 | "CLOSED", "LISTEN", "SYN_SENT", "SYN_RCVD", |
| | 145 | "ESTABLISHED", "CLOSE_WAIT", "FIN_WAIT_1", "CLOSING", |
| | 146 | "LAST_ACK", "FIN_WAIT_2", "TIME_WAIT" |
| | 147 | }; |
| | 148 | #endif |
| | 149 | |
| | 150 | #endif |
projects / apple / xnu.git / blame_incremental