diff options
Diffstat (limited to 'sys/netrmp/rmp.c')
| -rw-r--r-- | sys/netrmp/rmp.c | 89 |
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); +} |