projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| a8fd2d0d KM |
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 | * | |
| 10 | * %sccs.include.redist.c% | |
| 11 | * | |
| 12 | * from: Utah $Hdr: rmp.c 1.3 89/06/07$ | |
| 13 | * | |
| 14 | * @(#)rmp.c 7.1 (Berkeley) %G% | |
| 15 | */ | |
| 16 | ||
| 17 | #include "param.h" | |
| 18 | #include "mbuf.h" | |
| 19 | #include "socket.h" | |
| 20 | #include "socketvar.h" | |
| 21 | ||
| 22 | #include "../net/if.h" | |
| 23 | #include "../net/route.h" | |
| 24 | #include "../net/raw_cb.h" | |
| 25 | ||
| 26 | #include "../netrmp/rmp.h" | |
| 27 | #include "../netrmp/rmp_var.h" | |
| 28 | ||
| 29 | /* | |
| 30 | ** rmp_output: route packet to proper network interface. | |
| 31 | */ | |
| 32 | ||
| 33 | rmp_output(m, so) | |
| 34 | struct mbuf *m; | |
| 35 | struct socket *so; | |
| 36 | { | |
| 37 | struct ifnet *ifp; | |
| 38 | struct rawcb *rp = sotorawcb(so); | |
| 39 | struct rmp_packet *rmp; | |
| 40 | ||
| 41 | /* | |
| 42 | * Convert the mbuf back to an RMP packet so we can get the | |
| 43 | * address of the "ifnet struct" specifying the interface it | |
| 44 | * should go out on. | |
| 45 | */ | |
| 46 | rmp = mtod(m, struct rmp_packet *); | |
| 47 | ifp = rmp->ifp; | |
| 48 | ||
| 49 | /* | |
| 50 | * Strip off the "ifnet struct ptr" from the packet leaving | |
| 51 | * us with a complete IEEE 802.2 packet. | |
| 52 | */ | |
| 53 | m_adj(m, sizeof(struct ifnet *)); | |
| 54 | ||
| 55 | /* | |
| 56 | * Send the packet. | |
| 57 | */ | |
| 58 | return ((*ifp->if_output) (ifp, m, &rp->rcb_faddr)); | |
| 59 | } |