/* raw_cb.c - raw protocol control block handling routines *//* Copyright 1984 - 2001 Wind River Systems, Inc. */#include "copyright_wrs.h"/* * Copyright (c) 1980, 1986, 1993 *	The Regents of the University of California.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * *	@(#)raw_cb.c	8.1 (Berkeley) 6/10/93 *//*modification history--------------------01d,12oct01,rae  merge from truestack ver 01f, base 01c01c,02jul97,vin  fixed warnings.01b,05dec96,vin  replaced free with FREE(),01a,03mar96,vin  created from BSD4.4 stuff,integrated with 02i of raw_cb.c*//*DESCRIPTION*/#include "vxWorks.h"#include "net/systm.h"#include "net/mbuf.h"#include "sys/socket.h"#include "net/socketvar.h"#include "net/domain.h"#include "net/protosw.h"#include "errno.h"#include "net/if.h"#include "net/route.h"#include "net/raw_cb.h"#include "netinet/in.h"#ifdef WV_INSTRUMENTATION#ifdef INCLUDE_WVNET#include "wvNetLib.h"#endif#endif#ifdef VIRTUAL_STACK#include "netinet/vsLib.h"#endifextern void _insque ();extern void _remque (); #ifndef VIRTUAL_STACKstruct rawcb rawcb;			/* head of list *//* * Routines to manage the raw protocol control blocks. * * TODO: *	hash lookups by protocol family/protocol + address family *	take care of unique address problems per AF? *	redo address binding to allow wildcards */u_long  raw_sendspace = RAWSNDQ;u_long  raw_recvspace = RAWRCVQ;#endif#ifdef WV_INSTRUMENTATION#ifdef INCLUDE_WVNET    /* Set common fields of event identifiers for this module. */LOCAL UCHAR wvNetModuleId = WV_NET_RAWCB_MODULE;   /* Value for raw_cb.c */LOCAL UCHAR wvNetLocalFilter = WV_NET_NONE;     /* Available event filter */LOCAL ULONG wvNetEventId;       /* Event identifier: see wvNetLib.h */#endif    /* INCLUDE_WVNET */#endif/* * Allocate a control block and a nominal amount * of buffer space for the socket. */intraw_attach(so, proto)	register struct socket *so;	int proto;{	register struct rawcb *rp = sotorawcb(so);	int error;#ifdef WV_INSTRUMENTATION#ifdef INCLUDE_WVNET    /* WV_NET_VERBOSE event */    WV_NET_MARKER_1 (NET_CORE_EVENT, WV_NET_VERBOSE, 28, 4,                     WV_NETEVENT_RAWATTACH_START, so->so_fd)#endif  /* INCLUDE_WVNET */#endif	/*	 * It is assumed that raw_attach is called	 * after space has been allocated for the	 * rawcb.	 */	if (rp == 0)            {/*  * XXX - This event cannot currently occur: the route_usrreq() routine *       already checks for failure to allocate the control block.#ifdef WV_INSTRUMENTATION#ifdef INCLUDE_WVNET    /@ WV_NET_CRITICAL event @/        WV_NET_MARKER_1 (NET_CORE_EVENT, WV_NET_CRITICAL, 24, 1,                         WV_NETEVENT_RAWATTACH_NOPCBMEM, so->so_fd)#endif  /@ INCLUDE_WVNET @/#endif * XXX - end of unused event */		return (ENOBUFS);            }	if ((error = soreserve(so, raw_sendspace, raw_recvspace)))            {/* XXX - This event does not currently indicate a memory allocation failure. *       The soreserve() routine only sets high and low water mark values *       and does not attempt to commit any memory, although it should.#ifdef WV_INSTRUMENTATION#ifdef INCLUDE_WVNET    /@ WV_NET_CRITICAL event @/        WV_NET_MARKER_1 (NET_CORE_EVENT, WV_NET_CRITICAL, 25, 2,                         WV_NETEVENT_RAWATTACH_NOSOCKBUFMEM, so->so_fd)#endif  /@ INCLUDE_WVNET @/#endif * XXX - end of unused event */		return (error);            }	rp->rcb_socket = so;	rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;	rp->rcb_proto.sp_protocol = proto;#ifdef VIRTUAL_STACK	insque(rp, &_rawcb);#else    /* VIRTUAL_STACK */	insque(rp, &rawcb);#endif    /* VIRTUAL_STACK */	return (0);}/* * Detach the raw connection block and discard * socket resources. */voidraw_detach(rp)	register struct rawcb *rp;{	struct socket *so = rp->rcb_socket;#ifdef WV_INSTRUMENTATION#ifdef INCLUDE_WVNET    /* WV_NET_VERBOSE event */    WV_NET_MARKER_1 (NET_CORE_EVENT, WV_NET_VERBOSE, 29, 5,                     WV_NETEVENT_RAWDETACH_START, so->so_fd)#endif  /* INCLUDE_WVNET */#endif	so->so_pcb = 0;	sofree(so);	remque(rp);#ifdef notdef	if (rp->rcb_laddr)		m_freem(dtom(rp->rcb_laddr));	rp->rcb_laddr = 0;#endif	FREE(rp, MT_PCB);}/* * Disconnect and possibly release resources. */voidraw_disconnect(rp)	struct rawcb *rp;{#ifdef notdef	if (rp->rcb_faddr)		m_freem(dtom(rp->rcb_faddr));	rp->rcb_faddr = 0;#endif	if (rp->rcb_socket->so_state & SS_NOFDREF)		raw_detach(rp);}#ifdef notdefintraw_bind(so, nam)	register struct socket *so;	struct mbuf *nam;{	struct sockaddr *addr = mtod(nam, struct sockaddr *);	register struct rawcb *rp;/* XXX - This event does not occur because this routine is never called *       by the existing network stack since the PRU_BIND option within *       the raw_usrreq switch statement is unsupported.#ifdef WV_INSTRUMENTATION#ifdef INCLUDE_WVNET    /@ WV_NET_VERBOSE event @/    WV_NET_MARKER_1 (NET_CORE_EVENT, WV_NET_VERBOSE, 30, 6,                     WV_NETEVENT_RAWBIND_START, so->so_fd)#endif  /@ INCLUDE_WVNET @/#endif * XXX -end of unused event */	if (ifnet == 0)            {/* XXX - This event does not occur because this routine is never called *       by the existing network stack since the PRU_BIND option within *       the raw_usrreq switch statement is unsupported.#ifdef WV_INSTRUMENTATION#ifdef INCLUDE_WVNET    /@ WV_NET_ERROR event @/        WV_NET_MARKER_1 (NET_CORE_EVENT, WV_NET_ERROR, 31, 3,                         WV_NETEVENT_RAWBIND_NOIF, so->so_fd)#endif  /@ INCLUDE_WVNET @/#endif * XXX -end of unused event */		return (EADDRNOTAVAIL);            }	rp = sotorawcb(so);	nam = m_copym(nam, 0, M_COPYALL, M_WAIT);	rp->rcb_laddr = mtod(nam, struct sockaddr *);	return (0);}#endif