upstream/1.1.0_cvsrelease/1.1.0_cvs

1 files changed, 89 insertions, 0 deletions

diff --git a/sys/netrmp/rmp.c b/sys/netrmp/rmp.c
new file mode 100644
index 000000000000..a1b1a0e2338f
--- /dev/null
+++ b/sys/netrmp/rmp.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * 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 the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ * from: Utah $Hdr: rmp.c 1.3 89/06/07$
+ *
+ *	From: @(#)rmp.c	7.1 (Berkeley) 5/8/90
+ *	$Id: rmp.c,v 1.3 1993/12/19 00:54:07 wollman Exp $
+ */
+
+#include "param.h"
+#include "systm.h"
+#include "mbuf.h"
+#include "socket.h"
+#include "socketvar.h"
+
+#include "../net/if.h"
+#include "../net/route.h"
+#include "../net/raw_cb.h"
+
+#include "../netrmp/rmp.h"
+#include "../netrmp/rmp_var.h"
+
+/*
+**  rmp_output: route packet to proper network interface.
+*/
+
+int
+rmp_output(m, so)
+	struct mbuf *m;
+	struct socket *so;
+{
+	struct ifnet *ifp;
+	struct rawcb *rp = sotorawcb(so);
+	struct rmp_packet *rmp;
+
+	/*
+	 *  Convert the mbuf back to an RMP packet so we can get the
+	 *  address of the "ifnet struct" specifying the interface it
+	 *  should go out on.
+	 */
+	rmp = mtod(m, struct rmp_packet *);
+	ifp = rmp->ifp;
+
+	/*
+	 *  Strip off the "ifnet struct ptr" from the packet leaving
+	 *  us with a complete IEEE 802.2 packet.
+	 */
+	m_adj(m, sizeof(struct ifnet *));
+
+	/*
+	 *  Send the packet.
+	 */
+	return (*ifp->if_output) (ifp, m, (struct sockaddr *)&rp->rcb_faddr,
+		(struct rtentry *)0);
+}