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- /*
- * Copyright (c) 1980, 1986 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 7.11 (Berkeley) 6/28/90
- */
-
- #include "param.h"
- #include "systm.h"
- #include "mbuf.h"
- #include "socket.h"
- #include "socketvar.h"
- #include "domain.h"
- #include "protosw.h"
- #include "errno.h"
-
- #include "if.h"
- #include "route.h"
- #include "raw_cb.h"
- #include "../netinet/in.h"
-
- #include "machine/mtpr.h"
-
- /*
- * 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;
-
- /*
- * Allocate a control block and a nominal amount
- * of buffer space for the socket.
- */
- raw_attach(so, proto)
- register struct socket *so;
- int proto;
- {
- register struct rawcb *rp = sotorawcb(so);
- int error;
-
- /*
- * It is assumed that raw_attach is called
- * after space has been allocated for the
- * rawcb.
- */
- if (rp == 0)
- return (ENOBUFS);
- if (error = soreserve(so, raw_sendspace, raw_recvspace))
- return (error);
- rp->rcb_socket = so;
- rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
- rp->rcb_proto.sp_protocol = proto;
- insque(rp, &rawcb);
- return (0);
- }
-
- /*
- * Detach the raw connection block and discard
- * socket resources.
- */
- raw_detach(rp)
- register struct rawcb *rp;
- {
- struct socket *so = rp->rcb_socket;
-
- 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((caddr_t)(rp), M_PCB);
- }
-
- /*
- * Disconnect and possibly release resources.
- */
- raw_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 notdef
- raw_bind(so, nam)
- register struct socket *so;
- struct mbuf *nam;
- {
- struct sockaddr *addr = mtod(nam, struct sockaddr *);
- register struct rawcb *rp;
-
- if (ifnet == 0)
- return (EADDRNOTAVAIL);
- rp = sotorawcb(so);
- nam = m_copym(nam, 0, M_COPYALL, M_WAITOK);
- rp->rcb_laddr = mtod(nam, struct sockaddr *);
- return (0);
- }
- #endif
-