123743Skarels /* 2*35322Sbostic * Copyright (c) 1988 Regents of the University of California. 3*35322Sbostic * All rights reserved. 423743Skarels * 5*35322Sbostic * This code is derived from software contributed to Berkeley by 6*35322Sbostic * Tektronix Inc. 7*35322Sbostic * 8*35322Sbostic * Redistribution and use in source and binary forms are permitted 9*35322Sbostic * provided that the above copyright notice and this paragraph are 10*35322Sbostic * duplicated in all such forms and that any documentation, 11*35322Sbostic * advertising materials, and other materials related to such 12*35322Sbostic * distribution and use acknowledge that the software was developed 13*35322Sbostic * by the University of California, Berkeley. The name of the 14*35322Sbostic * University may not be used to endorse or promote products derived 15*35322Sbostic * from this software without specific prior written permission. 16*35322Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 17*35322Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 18*35322Sbostic * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 19*35322Sbostic * 20*35322Sbostic * @(#)raw_hy.c 7.2 (Berkeley) 08/04/88 21*35322Sbostic */ 22*35322Sbostic 23*35322Sbostic /* 2424798Skarels * 4.3 BSD Unix kernel - NSC HYPERchannel support 2523743Skarels * 2623743Skarels * $Header: raw_hy.c,v 3.1 84/02/15 04:27:44 steveg Exp $ 2723743Skarels * $Locker: $ 2823743Skarels * 2923743Skarels * Copyright (c) 1984, Tektronix Inc. 3023743Skarels * All Rights Reserved 3123743Skarels * 3223743Skarels */ 3323743Skarels 3425276Sbloom #include "hy.h" 3525276Sbloom #if NHY > 0 3623743Skarels 3723743Skarels #include "param.h" 3823743Skarels #include "mbuf.h" 3923743Skarels #include "socket.h" 4023743Skarels #include "protosw.h" 4123743Skarels #include "socketvar.h" 4223743Skarels #include "errno.h" 4323743Skarels 4423743Skarels #include "../net/if.h" 4523743Skarels #include "../net/route.h" 4623743Skarels #include "../net/raw_cb.h" 4723743Skarels 4823743Skarels #include "../netinet/in.h" 4923743Skarels #include "../netinet/in_systm.h" 5024798Skarels #include "../netinet/in_var.h" 5123743Skarels #include "if_hy.h" 5223743Skarels 5323743Skarels /* 5423743Skarels * Raw interface to HYPERchannel. 5523743Skarels */ 5623743Skarels 5723743Skarels /* 5823743Skarels * Generate HYPERchannel leader and pass packet to hyoutput. 5923743Skarels * The user must create a skeletal leader in order to 6023743Skarels * communicate message type, message subtype, etc. 6123743Skarels * We don't really check the header supplied by the user. 6223743Skarels */ 6323743Skarels rhy_output(m, so) 6423743Skarels register struct mbuf *m; 6523743Skarels struct socket *so; 6623743Skarels { 6723743Skarels int error = 0; 6823743Skarels register struct sockaddr_in *sin; 6923743Skarels register struct rawcb *rp = sotorawcb(so); 7024798Skarels struct in_ifaddr *ia; 7123743Skarels 7223743Skarels /* 7323743Skarels * Verify user has supplied necessary space 7423743Skarels * for the header. 7523743Skarels */ 7623743Skarels if ((m->m_off > MMAXOFF || m->m_len < sizeof(struct hym_hdr)) && 7723743Skarels (m = m_pullup(m, sizeof(struct hym_hdr))) == 0) { 7823743Skarels error = EMSGSIZE; /* XXX */ 7923743Skarels goto bad; 8023743Skarels } 8123743Skarels 8223743Skarels sin = (struct sockaddr_in *)&rp->rcb_faddr; 8323743Skarels /* no routing here */ 8424798Skarels ia = in_iaonnetof(in_netof(sin->sin_addr)); 8524798Skarels if (ia) 8624798Skarels return (hyoutput(ia->ia_ifp, m, (struct sockaddr *)sin)); 8723743Skarels error = ENETUNREACH; 8823743Skarels bad: 8923743Skarels m_freem(m); 9023743Skarels return (error); 9123743Skarels } 9225276Sbloom #endif 93