180 lines
4.3 KiB
C
180 lines
4.3 KiB
C
static char sccsid[] = "@(#)89 1.12 src/bos/kernel/net/raw_cb.c, sysnet, bos411, 9428A410j 4/25/94 17:11:54";
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/*
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* COMPONENT_NAME: SYSNET
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*
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* FUNCTIONS: raw_attach
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* raw_bind
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* raw_detach
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* raw_disconnect
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*
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*
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* ORIGINS: 26,27,85
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*
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*
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* (C) COPYRIGHT International Business Machines Corp. 1988,1993
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* All Rights Reserved
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* Licensed Materials - Property of IBM
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* US Government Users Restricted Rights - Use, duplication or
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* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
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*/
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/*
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*
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* (c) Copyright 1991, OPEN SOFTWARE FOUNDATION, INC.
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* ALL RIGHTS RESERVED
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*
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*/
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/*
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* OSF/1 1.2
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*/
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/*
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* Copyright (C) 1988,1989 Encore Computer Corporation. All Rights Reserved
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*
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* Property of Encore Computer Corporation.
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* This software is made available solely pursuant to the terms of
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* a software license agreement which governs its use. Unauthorized
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* duplication, distribution or sale are strictly prohibited.
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*
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*/
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/*
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* Copyright (c) 1980, 1986 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted provided
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* that: (1) source distributions retain this entire copyright notice and
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* comment, and (2) distributions including binaries display the following
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* acknowledgement: ``This product includes software developed by the
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* University of California, Berkeley and its contributors'' in the
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* documentation or other materials provided with the distribution and in
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* all advertising materials mentioning features or use of this software.
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* Neither the name of the University nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Base: raw_cb.c 7.9 (Berkeley) 4/25/89
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* Merged: raw_cb.c 7.11 (Berkeley) 6/28/90
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*/
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#include "net/net_globals.h"
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#include "sys/param.h"
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#include "sys/time.h"
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#include "sys/errno.h"
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#include "sys/mbuf.h"
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#include "sys/socket.h"
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#include "sys/socketvar.h"
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#include "sys/domain.h"
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#include "sys/protosw.h"
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#include "net/if.h"
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#include "net/route.h"
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#include "net/raw_cb.h"
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#include "net/net_malloc.h"
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LOCK_ASSERTL_DECL
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/*
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* Routines to manage the raw protocol control blocks.
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*
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* TODO:
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* hash lookups by protocol family/protocol + address family
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* take care of unique address problems per AF?
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* redo address binding to allow wildcards
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*/
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u_long raw_sendspace = RAWSNDQ;
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u_long raw_recvspace = RAWRCVQ;
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struct rawcb rawcb; /* head of list */
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#if NETSYNC_LOCK
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simple_lock_data_t global_raw_lock;
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int global_raw_intpri;
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#endif
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/*
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* Allocate a control block and a nominal amount
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* of buffer space for the socket.
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*/
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raw_attach(so, proto)
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register struct socket *so;
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int proto;
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{
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register struct rawcb *rp = sotorawcb(so);
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int error;
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/*
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* It is assumed that raw_attach is called
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* after space has been allocated for the
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* rawcb.
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*/
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if (rp == 0)
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return (ENOBUFS);
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if (error = soreserve(so, raw_sendspace, raw_recvspace))
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return (error);
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rp->rcb_socket = so;
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rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
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rp->rcb_proto.sp_protocol = proto;
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insque(rp, &rawcb); /* raw_usrreq provides the lock */
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return error;
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}
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/*
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* Detach the raw connection block and discard
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* socket resources.
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*/
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void
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raw_detach(rp)
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register struct rawcb *rp;
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{
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struct socket *so = rp->rcb_socket;
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so->so_pcb = 0;
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sofree(so);
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remque(rp); /* raw_usrreq provides the lock */
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#ifdef notdef
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if (rp->rcb_laddr)
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m_freem(dtom(rp->rcb_laddr));
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rp->rcb_laddr = 0;
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#endif
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NET_FREE(rp, M_PCB);
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}
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/*
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* Disconnect and possibly release resources.
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*/
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void
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raw_disconnect(rp)
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struct rawcb *rp;
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{
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#ifdef notdef
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if (rp->rcb_faddr)
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m_freem(dtom(rp->rcb_faddr));
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rp->rcb_faddr = 0;
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#endif
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if (rp->rcb_socket->so_state & SS_NOFDREF)
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raw_detach(rp);
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}
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#ifdef notdef
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raw_bind(so, nam)
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register struct socket *so;
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struct mbuf *nam;
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{
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struct sockaddr *addr = mtod(nam, struct sockaddr *);
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register struct rawcb *rp;
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if (ifnet == 0)
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return (EADDRNOTAVAIL);
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rp = sotorawcb(so);
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nam = m_copym(nam, 0, M_COPYALL, M_WAIT);
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rp->rcb_laddr = mtod(nam, struct sockaddr *);
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return (0);
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}
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#endif
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