123743Skarels /* 2*25276Sbloom * @(#)raw_hy.c 6.3 10/24/85 323743Skarels * 424798Skarels * 4.3 BSD Unix kernel - NSC HYPERchannel support 523743Skarels * 623743Skarels * $Header: raw_hy.c,v 3.1 84/02/15 04:27:44 steveg Exp $ 723743Skarels * $Locker: $ 823743Skarels * 923743Skarels * Copyright (c) 1984, Tektronix Inc. 1023743Skarels * All Rights Reserved 1123743Skarels * 1223743Skarels */ 1323743Skarels 14*25276Sbloom #include "hy.h" 15*25276Sbloom #if NHY > 0 1623743Skarels 1723743Skarels #include "param.h" 1823743Skarels #include "mbuf.h" 1923743Skarels #include "socket.h" 2023743Skarels #include "protosw.h" 2123743Skarels #include "socketvar.h" 2223743Skarels #include "errno.h" 2323743Skarels 2423743Skarels #include "../net/if.h" 2523743Skarels #include "../net/route.h" 2623743Skarels #include "../net/raw_cb.h" 2723743Skarels 2824798Skarels #ifdef BBNNET 2924798Skarels #define INET 3024798Skarels #endif 3123743Skarels #include "../netinet/in.h" 3223743Skarels #include "../netinet/in_systm.h" 3324798Skarels #include "../netinet/in_var.h" 3423743Skarels #include "if_hy.h" 3523743Skarels 3623743Skarels /* 3723743Skarels * Raw interface to HYPERchannel. 3823743Skarels */ 3923743Skarels 4023743Skarels /* 4123743Skarels * Generate HYPERchannel leader and pass packet to hyoutput. 4223743Skarels * The user must create a skeletal leader in order to 4323743Skarels * communicate message type, message subtype, etc. 4423743Skarels * We don't really check the header supplied by the user. 4523743Skarels */ 4623743Skarels rhy_output(m, so) 4723743Skarels register struct mbuf *m; 4823743Skarels struct socket *so; 4923743Skarels { 5023743Skarels struct mbuf *n; 5123743Skarels int error = 0; 5223743Skarels register struct sockaddr_in *sin; 5323743Skarels register struct rawcb *rp = sotorawcb(so); 5424798Skarels struct in_ifaddr *ia; 5523743Skarels 5623743Skarels /* 5723743Skarels * Verify user has supplied necessary space 5823743Skarels * for the header. 5923743Skarels */ 6023743Skarels if ((m->m_off > MMAXOFF || m->m_len < sizeof(struct hym_hdr)) && 6123743Skarels (m = m_pullup(m, sizeof(struct hym_hdr))) == 0) { 6223743Skarels error = EMSGSIZE; /* XXX */ 6323743Skarels goto bad; 6423743Skarels } 6523743Skarels 6623743Skarels sin = (struct sockaddr_in *)&rp->rcb_faddr; 6723743Skarels /* no routing here */ 6824798Skarels ia = in_iaonnetof(in_netof(sin->sin_addr)); 6924798Skarels if (ia) 7024798Skarels return (hyoutput(ia->ia_ifp, m, (struct sockaddr *)sin)); 7123743Skarels error = ENETUNREACH; 7223743Skarels bad: 7323743Skarels m_freem(m); 7423743Skarels return (error); 7523743Skarels } 76*25276Sbloom #endif 77