Return to raw_hy.c CVS log

Up to [CSRG BSD Unix] / 43BSDReno / sys / vaxif

BSD 4.3reno

/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Tektronix Inc.
 *
 * Redistribution is only permitted until one year after the first shipment
 * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
 * binary forms are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  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 AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)raw_hy.c	7.3 (Berkeley) 6/28/90
 */

/*
 * 4.3 BSD Unix kernel - NSC HYPERchannel support
 *
 * $Header: /var/lib/cvsd/repos/CSRG/43BSDReno/sys/vaxif/raw_hy.c,v 1.1.1.1 2018/04/24 16:12:57 root Exp $
 * $Locker:  $
 *
 * Copyright (c) 1984, Tektronix Inc.
 * All Rights Reserved
 *
 */

#include "hy.h"
#if NHY > 0

#include "param.h"
#include "mbuf.h"
#include "socket.h"
#include "protosw.h"
#include "socketvar.h"
#include "errno.h"

#include "../net/if.h"
#include "../net/route.h"
#include "../net/raw_cb.h"

#include "../netinet/in.h"
#include "../netinet/in_systm.h"
#include "../netinet/in_var.h"
#include "if_hy.h"

/*
 * Raw interface to HYPERchannel.
 */

/*
 * Generate HYPERchannel leader and pass packet to hyoutput.
 * The user must create a skeletal leader in order to
 * communicate message type, message subtype, etc.
 * We don't really check the header supplied by the user.
 */
rhy_output(m, so)
	register struct mbuf *m;
	struct socket *so;
{
	int error = 0;
	register struct sockaddr_in *sin;
	register struct rawcb *rp = sotorawcb(so);
	struct in_ifaddr *ia;

	/*
	 * Verify user has supplied necessary space
	 * for the header.
	 */
	if ((m->m_off > MMAXOFF || m->m_len < sizeof(struct hym_hdr)) &&
	    (m = m_pullup(m, sizeof(struct hym_hdr))) == 0) {
		error = EMSGSIZE;	/* XXX */
		goto bad;
	}

	sin = (struct sockaddr_in *)&rp->rcb_faddr;
	/* no routing here */
	ia = in_iaonnetof(in_netof(sin->sin_addr));
	if (ia)
		return (hyoutput(ia->ia_ifp, m, (struct sockaddr *)sin));
	error = ENETUNREACH;
bad:
	m_freem(m);
	return (error);
}
#endif

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.