NetBSD/sys/netnatm/natm_proto.c

105 lines
3.4 KiB
C

/* $NetBSD: natm_proto.c,v 1.11 2007/05/02 20:40:29 dyoung Exp $ */
/*
*
* Copyright (c) 1996 Charles D. Cranor and Washington University.
* 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 Charles D. Cranor and
* Washington University.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* protocol layer for access to native mode ATM
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: natm_proto.c,v 1.11 2007/05/02 20:40:29 dyoung Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/domain.h>
#include <sys/mbuf.h>
#include <net/if.h>
#include <net/radix.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netnatm/natm.h>
DOMAIN_DEFINE(natmdomain);
static void natm_init(void);
struct npcblist natm_pcbs = LIST_HEAD_INITIALIZER(natm_pcbs);
struct ifqueue natmintrq; /* natm packet input queue */
int natmqmaxlen = IFQ_MAXLEN; /* max # of packets on queue */
const struct protosw natmsw[] = {
{ SOCK_STREAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED,
0, 0, 0, 0,
natm_usrreq,
0, 0, 0, 0,
},
{ SOCK_DGRAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED | PR_ATOMIC,
0, 0, 0, 0,
natm_usrreq,
0, 0, 0, 0,
},
{ SOCK_STREAM, &natmdomain, PROTO_NATMAAL0, PR_CONNREQUIRED,
0, 0, 0, 0,
natm_usrreq,
0, 0, 0, 0,
},
};
struct domain natmdomain = {
.dom_family = PF_NATM,
.dom_name = "natm",
.dom_init = natm_init,
.dom_protosw = natmsw,
.dom_protoswNPROTOSW = &natmsw[sizeof(natmsw)/sizeof(natmsw[0])],
.dom_ifqueues = { &natmintrq, NULL },
.dom_rtcache = LIST_HEAD_INITIALIZER(natmdomain.dom_rtcache)
};
#ifdef NATM_STAT
u_int natm_sodropcnt = 0; /* # mbufs dropped due to full sb */
u_int natm_sodropbytes = 0; /* # of bytes dropped */
u_int natm_sookcnt = 0; /* # mbufs ok */
u_int natm_sookbytes = 0; /* # of bytes ok */
#endif
void natm_init(void)
{
natmintrq.ifq_maxlen = natmqmaxlen;
}