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1 | /* |
2 | * Copyright (c) 1988 University of Utah. | |
3 | * Copyright (c) 1990 The Regents of the University of California. | |
4 | * All rights reserved. | |
5 | * | |
6 | * This code is derived from software contributed to Berkeley by | |
7 | * the Systems Programming Group of the University of Utah Computer | |
8 | * Science Department. | |
9 | * | |
c0567266 KB |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions | |
12 | * are met: | |
13 | * 1. Redistributions of source code must retain the above copyright | |
14 | * notice, this list of conditions and the following disclaimer. | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in the | |
17 | * documentation and/or other materials provided with the distribution. | |
18 | * 3. All advertising materials mentioning features or use of this software | |
19 | * must display the following acknowledgement: | |
20 | * This product includes software developed by the University of | |
21 | * California, Berkeley and its contributors. | |
22 | * 4. Neither the name of the University nor the names of its contributors | |
23 | * may be used to endorse or promote products derived from this software | |
24 | * without specific prior written permission. | |
25 | * | |
26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
36 | * SUCH DAMAGE. | |
a8fd2d0d KM |
37 | * |
38 | * from: Utah $Hdr: rmp.c 1.3 89/06/07$ | |
39 | * | |
1c15e888 | 40 | * @(#)rmp.c 7.1 (Berkeley) 5/8/90 |
a8fd2d0d KM |
41 | */ |
42 | ||
43 | #include "param.h" | |
44 | #include "mbuf.h" | |
45 | #include "socket.h" | |
46 | #include "socketvar.h" | |
47 | ||
48 | #include "../net/if.h" | |
49 | #include "../net/route.h" | |
50 | #include "../net/raw_cb.h" | |
51 | ||
52 | #include "../netrmp/rmp.h" | |
53 | #include "../netrmp/rmp_var.h" | |
54 | ||
55 | /* | |
56 | ** rmp_output: route packet to proper network interface. | |
57 | */ | |
58 | ||
59 | rmp_output(m, so) | |
60 | struct mbuf *m; | |
61 | struct socket *so; | |
62 | { | |
63 | struct ifnet *ifp; | |
64 | struct rawcb *rp = sotorawcb(so); | |
65 | struct rmp_packet *rmp; | |
66 | ||
67 | /* | |
68 | * Convert the mbuf back to an RMP packet so we can get the | |
69 | * address of the "ifnet struct" specifying the interface it | |
70 | * should go out on. | |
71 | */ | |
72 | rmp = mtod(m, struct rmp_packet *); | |
73 | ifp = rmp->ifp; | |
74 | ||
75 | /* | |
76 | * Strip off the "ifnet struct ptr" from the packet leaving | |
77 | * us with a complete IEEE 802.2 packet. | |
78 | */ | |
79 | m_adj(m, sizeof(struct ifnet *)); | |
80 | ||
81 | /* | |
82 | * Send the packet. | |
83 | */ | |
84 | return ((*ifp->if_output) (ifp, m, &rp->rcb_faddr)); | |
85 | } |