1 /* $OpenBSD: natm_proto.c,v 1.4 2002/03/14 01:27:12 millert Exp $ */ 2 3 /* 4 * 5 * Copyright (c) 1996 Charles D. Cranor and Washington University. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Charles D. Cranor and 19 * Washington University. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * protocol layer for access to native mode ATM 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/queue.h> 43 #include <sys/socket.h> 44 #include <sys/protosw.h> 45 #include <sys/domain.h> 46 #include <sys/mbuf.h> 47 48 #include <net/if.h> 49 #include <net/radix.h> 50 #include <net/route.h> 51 52 #include <netinet/in.h> 53 54 #include <netnatm/natm.h> 55 56 extern struct domain natmdomain; 57 58 static void natm_init(void); 59 60 struct protosw natmsw[] = { 61 { SOCK_STREAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED, 62 0, 0, 0, 0, 63 natm_usrreq, 64 0, 0, 0, 0, 65 #if defined(__NetBSD__) || defined(__OpenBSD__) 66 natm5_sysctl 67 #endif 68 }, 69 { SOCK_DGRAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED | PR_ATOMIC, 70 0, 0, 0, 0, 71 natm_usrreq, 72 0, 0, 0, 0, 73 #if defined(__NetBSD__) || defined(__OpenBSD__) 74 natm5_sysctl 75 #endif 76 }, 77 { SOCK_STREAM, &natmdomain, PROTO_NATMAAL0, PR_CONNREQUIRED, 78 0, 0, 0, 0, 79 natm_usrreq, 80 0, 0, 0, 0, 81 #if defined(__NetBSD__) || defined(__OpenBSD__) 82 natm0_sysctl 83 #endif 84 }, 85 }; 86 87 struct domain natmdomain = 88 { AF_NATM, "natm", natm_init, 0, 0, 89 natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0, 90 0, 0, 0}; 91 92 struct ifqueue natmintrq; /* natm packet input queue */ 93 int natmqmaxlen = IFQ_MAXLEN; /* max # of packets on queue */ 94 #ifdef NATM_STAT 95 u_int natm_sodropcnt = 0; /* # mbufs dropped due to full sb */ 96 u_int natm_sodropbytes = 0; /* # of bytes dropped */ 97 u_int natm_sookcnt = 0; /* # mbufs ok */ 98 u_int natm_sookbytes = 0; /* # of bytes ok */ 99 #endif 100 101 102 103 void natm_init() 104 105 { 106 LIST_INIT(&natm_pcbs); 107 bzero(&natmintrq, sizeof(natmintrq)); 108 natmintrq.ifq_maxlen = natmqmaxlen; 109 } 110 111 #if defined(__FreeBSD__) 112 DOMAIN_SET(natm); 113 #endif