natm_proto.c revision 139823
1/* $NetBSD: natm_proto.c,v 1.3 1996/09/18 00:56:41 chuck Exp $ */ 2/*- 3 * 4 * Copyright (c) 1996 Charles D. Cranor and Washington University. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Charles D. Cranor and 18 * Washington University. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34/* 35 * protocol layer for access to native mode ATM 36 */ 37 38#include <sys/cdefs.h> 39__FBSDID("$FreeBSD: head/sys/netnatm/natm_proto.c 139823 2005-01-07 01:45:51Z imp $"); 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/kernel.h> 44#include <sys/socket.h> 45#include <sys/protosw.h> 46#include <sys/domain.h> 47 48#include <net/if.h> 49#include <net/netisr.h> 50 51#include <netinet/in.h> 52 53#include <netnatm/natm.h> 54 55extern struct domain natmdomain; 56 57static void natm_init(void); 58 59static struct protosw natmsw[] = { 60{ SOCK_STREAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED, 61 0, 0, 0, 0, 62#ifdef FREEBSD_USRREQS 63 0, 64#else 65 natm_usrreq, 66#endif 67 0, 0, 0, 0, 68#if defined(__NetBSD__) || defined(__OpenBSD__) 69 natm5_sysctl 70#elif defined(FREEBSD_USRREQS) 71 &natm_usrreqs 72#endif 73}, 74{ SOCK_DGRAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED | PR_ATOMIC, 75 0, 0, 0, 0, 76#ifdef FREEBSD_USRREQS 77 0, 78#else 79 natm_usrreq, 80#endif 81 0, 0, 0, 0, 82#if defined(__NetBSD__) || defined(__OpenBSD__) 83 natm5_sysctl 84#elif defined(FREEBSD_USRREQS) 85 &natm_usrreqs 86#endif 87}, 88{ SOCK_STREAM, &natmdomain, PROTO_NATMAAL0, PR_CONNREQUIRED, 89 0, 0, 0, 0, 90#ifdef FREEBSD_USRREQS 91 0, 92#else 93 natm_usrreq, 94#endif 95 0, 0, 0, 0, 96#if defined(__NetBSD__) || defined(__OpenBSD__) 97 natm0_sysctl 98#elif defined(FREEBSD_USRREQS) 99 &natm_usrreqs 100#endif 101}, 102}; 103 104static struct domain natmdomain = 105 { AF_NATM, "natm", natm_init, 0, 0, 106 natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0, 107 0, 0, 0}; 108 109static int natmqmaxlen = 1000 /* IFQ_MAXLEN */; /* max # of packets on queue */ 110static struct ifqueue natmintrq; 111#ifdef NATM_STAT 112u_int natm_sodropcnt; /* # mbufs dropped due to full sb */ 113u_int natm_sodropbytes; /* # of bytes dropped */ 114u_int natm_sookcnt; /* # mbufs ok */ 115u_int natm_sookbytes; /* # of bytes ok */ 116#endif 117 118static void 119natm_init(void) 120{ 121 LIST_INIT(&natm_pcbs); 122 bzero(&natmintrq, sizeof(natmintrq)); 123 natmintrq.ifq_maxlen = natmqmaxlen; 124 mtx_init(&natmintrq.ifq_mtx, "natm_inq", NULL, MTX_DEF); 125 netisr_register(NETISR_NATM, natmintr, &natmintrq, 0); 126} 127 128#if defined(__FreeBSD__) 129DOMAIN_SET(natm); 130#endif 131