import Chuck Cranor's ATM driver

1 files changed, 131 insertions, 0 deletions

diff --git a/sys/netnatm/natm_proto.c b/sys/netnatm/natm_proto.c
new file mode 100644
index 0000000..c0e0499
--- /dev/null
+++ b/sys/netnatm/natm_proto.c
@@ -0,0 +1,131 @@
+/*	$NetBSD: natm_proto.c,v 1.3 1996/09/18 00:56:41 chuck 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/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>
+
+extern	struct domain natmdomain;
+
+static	void natm_init __P((void));
+
+struct protosw natmsw[] = {
+{ SOCK_STREAM,	&natmdomain,	PROTO_NATMAAL5, PR_CONNREQUIRED,
+  0,	0,	0,	0,
+#ifdef FREEBSD_USRREQS
+  0,
+#else
+  natm_usrreq,
+#endif
+  0,	0,	0,	0,	
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+	natm5_sysctl
+#elif defined(FREEBSD_USRREQS)
+        &natm_usrreqs
+#endif
+},
+{ SOCK_DGRAM,	&natmdomain,	PROTO_NATMAAL5,	PR_CONNREQUIRED | PR_ATOMIC,
+  0,	0,	0,	0,
+#ifdef FREEBSD_USRREQS
+  0,
+#else
+  natm_usrreq,
+#endif
+  0,	0,	0,	0,	
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+	natm5_sysctl
+#elif defined(FREEBSD_USRREQS)
+        &natm_usrreqs
+#endif
+},
+{ SOCK_STREAM,	&natmdomain,	PROTO_NATMAAL0, PR_CONNREQUIRED,
+  0,	0,	0,	0,
+#ifdef FREEBSD_USRREQS
+  0,
+#else
+  natm_usrreq,
+#endif
+  0,	0,	0,	0,	
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+	natm0_sysctl
+#elif defined(FREEBSD_USRREQS)
+        &natm_usrreqs
+#endif
+},
+};
+
+struct domain natmdomain =
+    { AF_NATM, "natm", natm_init, 0, 0, 
+      natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0,
+      0, 0, 0};
+
+struct	ifqueue natmintrq;       	/* natm packet input queue */
+int	natmqmaxlen = IFQ_MAXLEN;	/* max # of packets on queue */
+#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()
+
+{
+  LIST_INIT(&natm_pcbs);
+  bzero(&natmintrq, sizeof(natmintrq));
+  natmintrq.ifq_maxlen = natmqmaxlen;
+}
+
+#if defined(__FreeBSD__)
+DOMAIN_SET(natm);
+#endif