freebsd-skq/sys/netnatm/natm_proto.c
pfg a7d40a88c9 kernel: use our nitems() macro when it is available through param.h.
No functional change, only trivial cases are done in this sweep,

Discussed in:	freebsd-current
2016-04-19 23:48:27 +00:00

117 lines
3.4 KiB
C

/*-
* 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.
*
* $NetBSD: natm_proto.c,v 1.3 1996/09/18 00:56:41 chuck Exp $
*/
/*
* protocol layer for access to native mode ATM
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/domain.h>
#include <net/if.h>
#include <net/netisr.h>
#include <netinet/in.h>
#include <netnatm/natm.h>
static void natm_init(void);
static struct domain natmdomain;
static struct protosw natmsw[] = {
{
.pr_type = SOCK_STREAM,
.pr_domain = &natmdomain,
.pr_protocol = PROTO_NATMAAL5,
.pr_flags = PR_CONNREQUIRED,
.pr_usrreqs = &natm_usrreqs
},
{
.pr_type = SOCK_DGRAM,
.pr_domain = &natmdomain,
.pr_protocol = PROTO_NATMAAL5,
.pr_flags = PR_CONNREQUIRED|PR_ATOMIC,
.pr_usrreqs = &natm_usrreqs
},
{
.pr_type = SOCK_STREAM,
.pr_domain = &natmdomain,
.pr_protocol = PROTO_NATMAAL0,
.pr_flags = PR_CONNREQUIRED,
.pr_usrreqs = &natm_usrreqs
},
};
static struct domain natmdomain = {
.dom_family = AF_NATM,
.dom_name = "natm",
.dom_init = natm_init,
.dom_protosw = natmsw,
.dom_protoswNPROTOSW = &natmsw[nitems(natmsw)],
};
static struct netisr_handler natm_nh = {
.nh_name = "natm",
.nh_handler = natmintr,
.nh_proto = NETISR_NATM,
.nh_qlimit = 1000,
.nh_policy = NETISR_POLICY_SOURCE,
};
#ifdef NATM_STAT
u_int natm_sodropcnt; /* # mbufs dropped due to full sb */
u_int natm_sodropbytes; /* # of bytes dropped */
u_int natm_sookcnt; /* # mbufs ok */
u_int natm_sookbytes; /* # of bytes ok */
#endif
static void
natm_init(void)
{
LIST_INIT(&natm_pcbs);
NATM_LOCK_INIT();
netisr_register(&natm_nh);
}
DOMAIN_SET(natm);