2005-01-07 02:35:34 +00:00
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/*-
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2005-02-18 10:53:00 +00:00
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* Copyright (c) 2004-2005 Robert N. M. Watson
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2007-01-08 17:58:27 +00:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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2007-01-12 15:07:51 +00:00
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* Copyright (c) 1990, 1994 Regents of The University of Michigan.
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2005-01-07 02:35:34 +00:00
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* All Rights Reserved.
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation, and that the name of The University
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* of Michigan not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. This software is supplied as is without expressed or
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* implied warranties of any kind.
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*
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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*
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* Research Systems Unix Group
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* The University of Michigan
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* c/o Wesley Craig
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* 535 W. William Street
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* Ann Arbor, Michigan
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* +1-313-764-2278
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* netatalk@umich.edu
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2000-10-29 16:06:56 +00:00
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*
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* $FreeBSD$
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1996-05-24 01:35:45 +00:00
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
|
1997-09-02 01:19:47 +00:00
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#include <sys/malloc.h>
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1996-05-24 01:35:45 +00:00
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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/protosw.h>
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#include <net/if.h>
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#include <net/route.h>
|
2003-03-04 23:19:55 +00:00
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#include <net/netisr.h>
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1996-05-24 01:35:45 +00:00
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1996-09-10 08:32:01 +00:00
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#include <netatalk/at.h>
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#include <netatalk/at_var.h>
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#include <netatalk/ddp_var.h>
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2004-03-19 07:21:22 +00:00
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#include <netatalk/ddp_pcb.h>
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1996-05-24 01:35:45 +00:00
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#include <netatalk/at_extern.h>
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1998-02-09 06:11:36 +00:00
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static u_long ddp_sendspace = DDP_MAXSZ; /* Max ddp size + 1 (ddp_type) */
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2004-03-22 03:24:10 +00:00
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static u_long ddp_recvspace = 10 * (587 + sizeof(struct sockaddr_at));
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1996-05-24 01:35:45 +00:00
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2003-03-04 23:19:55 +00:00
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static struct ifqueue atintrq1, atintrq2, aarpintrq;
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1996-05-24 01:35:45 +00:00
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1997-05-13 21:01:45 +00:00
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static int
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2001-09-12 08:38:13 +00:00
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ddp_attach(struct socket *so, int proto, struct thread *td)
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1997-05-13 21:01:45 +00:00
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{
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2007-01-12 15:07:51 +00:00
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struct ddpcb *ddp;
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int error = 0;
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1997-05-13 21:01:45 +00:00
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2004-03-22 03:24:10 +00:00
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ddp = sotoddpcb(so);
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2006-03-17 20:40:17 +00:00
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KASSERT(ddp == NULL, ("ddp_attach: ddp != NULL"));
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1997-05-13 21:01:45 +00:00
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2004-07-12 18:39:59 +00:00
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/*
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* Allocate socket buffer space first so that it's present
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* before first use.
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*/
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error = soreserve(so, ddp_sendspace, ddp_recvspace);
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if (error)
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return (error);
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DDP_LIST_XLOCK();
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2004-03-22 03:24:10 +00:00
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error = at_pcballoc(so);
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2004-07-12 18:39:59 +00:00
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DDP_LIST_XUNLOCK();
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return (error);
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1997-05-13 21:01:45 +00:00
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}
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1996-05-24 01:35:45 +00:00
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Chance protocol switch method pru_detach() so that it returns void
rather than an error. Detaches do not "fail", they other occur or
the protocol flags SS_PROTOREF to take ownership of the socket.
soclose() no longer looks at so_pcb to see if it's NULL, relying
entirely on the protocol to decide whether it's time to free the
socket or not using SS_PROTOREF. so_pcb is now entirely owned and
managed by the protocol code. Likewise, no longer test so_pcb in
other socket functions, such as soreceive(), which have no business
digging into protocol internals.
Protocol detach routines no longer try to free the socket on detach,
this is performed in the socket code if the protocol permits it.
In rts_detach(), no longer test for rp != NULL in detach, and
likewise in other protocols that don't permit a NULL so_pcb, reduce
the incidence of testing for it during detach.
netinet and netinet6 are not fully updated to this change, which
will be in an upcoming commit. In their current state they may leak
memory or panic.
MFC after: 3 months
2006-04-01 15:42:02 +00:00
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static void
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1997-05-13 21:01:45 +00:00
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ddp_detach(struct socket *so)
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{
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2007-01-12 15:07:51 +00:00
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struct ddpcb *ddp;
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1997-05-13 21:01:45 +00:00
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2004-03-22 03:24:10 +00:00
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ddp = sotoddpcb(so);
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2006-03-17 20:40:17 +00:00
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KASSERT(ddp != NULL, ("ddp_detach: ddp == NULL"));
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2004-07-12 18:39:59 +00:00
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DDP_LIST_XLOCK();
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DDP_LOCK(ddp);
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2004-03-22 03:24:10 +00:00
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at_pcbdetach(so, ddp);
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2004-07-12 18:39:59 +00:00
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DDP_LIST_XUNLOCK();
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1997-05-13 21:01:45 +00:00
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}
|
1996-05-24 01:35:45 +00:00
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1997-05-13 21:01:45 +00:00
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static int
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2001-09-12 08:38:13 +00:00
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ddp_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
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1997-05-13 21:01:45 +00:00
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{
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2007-01-12 15:07:51 +00:00
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struct ddpcb *ddp;
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int error = 0;
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1997-05-13 21:01:45 +00:00
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2004-03-22 03:24:10 +00:00
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ddp = sotoddpcb(so);
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2006-03-17 20:40:17 +00:00
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KASSERT(ddp != NULL, ("ddp_bind: ddp == NULL"));
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2006-04-01 16:54:37 +00:00
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2004-07-12 18:39:59 +00:00
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DDP_LIST_XLOCK();
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DDP_LOCK(ddp);
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2001-09-12 08:38:13 +00:00
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error = at_pcbsetaddr(ddp, nam, td);
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2004-07-12 18:39:59 +00:00
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DDP_UNLOCK(ddp);
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DDP_LIST_XUNLOCK();
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1997-05-13 21:01:45 +00:00
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return (error);
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}
|
1996-05-24 01:35:45 +00:00
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1997-05-13 21:01:45 +00:00
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static int
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2001-09-12 08:38:13 +00:00
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ddp_connect(struct socket *so, struct sockaddr *nam, struct thread *td)
|
1997-05-13 21:01:45 +00:00
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{
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2007-01-12 15:07:51 +00:00
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struct ddpcb *ddp;
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int error = 0;
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1997-05-13 21:01:45 +00:00
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2004-03-22 03:24:10 +00:00
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ddp = sotoddpcb(so);
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2006-03-17 20:40:17 +00:00
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KASSERT(ddp != NULL, ("ddp_connect: ddp == NULL"));
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2006-04-01 16:54:37 +00:00
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2004-07-12 18:39:59 +00:00
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DDP_LIST_XLOCK();
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DDP_LOCK(ddp);
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2004-03-22 03:24:10 +00:00
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if (ddp->ddp_fsat.sat_port != ATADDR_ANYPORT) {
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2007-01-12 15:07:51 +00:00
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DDP_UNLOCK(ddp);
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DDP_LIST_XUNLOCK();
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return (EISCONN);
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1996-05-24 01:35:45 +00:00
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}
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2004-07-12 18:39:59 +00:00
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error = at_pcbconnect( ddp, nam, td );
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DDP_UNLOCK(ddp);
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DDP_LIST_XUNLOCK();
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2004-03-22 03:24:10 +00:00
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if (error == 0)
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2007-01-12 15:07:51 +00:00
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soisconnected(so);
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2004-03-22 03:24:10 +00:00
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return (error);
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1997-05-13 21:01:45 +00:00
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}
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1996-05-24 01:35:45 +00:00
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1997-05-13 21:01:45 +00:00
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static int
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ddp_disconnect(struct socket *so)
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{
|
2007-01-12 15:07:51 +00:00
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struct ddpcb *ddp;
|
1997-05-13 21:01:45 +00:00
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2004-03-22 03:24:10 +00:00
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ddp = sotoddpcb(so);
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2006-03-17 20:40:17 +00:00
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KASSERT(ddp != NULL, ("ddp_disconnect: ddp == NULL"));
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2006-04-01 16:54:37 +00:00
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2004-07-12 18:39:59 +00:00
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DDP_LOCK(ddp);
|
2004-03-22 03:24:10 +00:00
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if (ddp->ddp_fsat.sat_addr.s_node == ATADDR_ANYNODE) {
|
2007-01-12 15:07:51 +00:00
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DDP_UNLOCK(ddp);
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return (ENOTCONN);
|
1996-05-24 01:35:45 +00:00
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}
|
1997-05-13 21:01:45 +00:00
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2004-03-22 03:24:10 +00:00
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at_pcbdisconnect(ddp);
|
1997-05-13 21:01:45 +00:00
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ddp->ddp_fsat.sat_addr.s_node = ATADDR_ANYNODE;
|
2004-07-12 18:39:59 +00:00
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DDP_UNLOCK(ddp);
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2004-03-22 03:24:10 +00:00
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soisdisconnected(so);
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return (0);
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1997-05-13 21:01:45 +00:00
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}
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1996-05-24 01:35:45 +00:00
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1997-05-13 21:01:45 +00:00
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static int
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ddp_shutdown(struct socket *so)
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|
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{
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struct ddpcb *ddp;
|
1998-12-07 21:58:50 +00:00
|
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|
2004-03-22 03:24:10 +00:00
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ddp = sotoddpcb(so);
|
2006-03-17 20:40:17 +00:00
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KASSERT(ddp != NULL, ("ddp_shutdown: ddp == NULL"));
|
2006-04-01 16:54:37 +00:00
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2004-03-22 03:24:10 +00:00
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socantsendmore(so);
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return (0);
|
1997-05-13 21:01:45 +00:00
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}
|
1996-05-24 01:35:45 +00:00
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1997-05-13 21:01:45 +00:00
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static int
|
1997-08-16 19:16:27 +00:00
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ddp_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
|
2007-01-12 15:07:51 +00:00
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struct mbuf *control, struct thread *td)
|
1997-05-13 21:01:45 +00:00
|
|
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{
|
2007-01-12 15:07:51 +00:00
|
|
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struct ddpcb *ddp;
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int error = 0;
|
1997-05-13 21:01:45 +00:00
|
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|
2004-03-22 03:24:10 +00:00
|
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ddp = sotoddpcb(so);
|
2006-03-17 20:40:17 +00:00
|
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KASSERT(ddp != NULL, ("ddp_send: ddp == NULL"));
|
1997-05-13 21:01:45 +00:00
|
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|
2006-04-01 16:54:37 +00:00
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if (control && control->m_len)
|
2004-03-22 03:24:10 +00:00
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return (EINVAL);
|
1996-05-24 01:35:45 +00:00
|
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|
2004-03-22 03:57:01 +00:00
|
|
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if (addr != NULL) {
|
2004-07-12 18:39:59 +00:00
|
|
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DDP_LIST_XLOCK();
|
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DDP_LOCK(ddp);
|
2004-03-22 03:24:10 +00:00
|
|
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if (ddp->ddp_fsat.sat_port != ATADDR_ANYPORT) {
|
2004-07-12 18:39:59 +00:00
|
|
|
error = EISCONN;
|
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goto out;
|
1997-05-13 21:01:45 +00:00
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}
|
1996-05-24 01:35:45 +00:00
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|
2001-09-12 08:38:13 +00:00
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|
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error = at_pcbconnect(ddp, addr, td);
|
2004-07-12 18:39:59 +00:00
|
|
|
if (error == 0) {
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|
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error = ddp_output(m, so);
|
|
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at_pcbdisconnect(ddp);
|
1997-05-13 21:01:45 +00:00
|
|
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}
|
2004-07-12 18:39:59 +00:00
|
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out:
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|
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DDP_UNLOCK(ddp);
|
|
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DDP_LIST_XUNLOCK();
|
1996-05-24 01:35:45 +00:00
|
|
|
} else {
|
2004-07-12 18:39:59 +00:00
|
|
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DDP_LOCK(ddp);
|
|
|
|
if (ddp->ddp_fsat.sat_port == ATADDR_ANYPORT)
|
|
|
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error = ENOTCONN;
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else
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|
|
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error = ddp_output(m, so);
|
|
|
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DDP_UNLOCK(ddp);
|
1996-05-24 01:35:45 +00:00
|
|
|
}
|
2004-03-22 03:24:10 +00:00
|
|
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return (error);
|
1997-05-13 21:01:45 +00:00
|
|
|
}
|
1996-05-24 01:35:45 +00:00
|
|
|
|
2006-07-21 17:11:15 +00:00
|
|
|
/*
|
|
|
|
* XXXRW: This is never called because we only invoke abort on stream
|
|
|
|
* protocols.
|
|
|
|
*/
|
2006-04-01 15:15:05 +00:00
|
|
|
static void
|
1997-05-13 21:01:45 +00:00
|
|
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ddp_abort(struct socket *so)
|
|
|
|
{
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|
|
|
struct ddpcb *ddp;
|
|
|
|
|
2004-03-22 03:24:10 +00:00
|
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|
ddp = sotoddpcb(so);
|
2006-03-17 20:40:17 +00:00
|
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|
KASSERT(ddp != NULL, ("ddp_abort: ddp == NULL"));
|
2006-04-01 16:54:37 +00:00
|
|
|
|
2004-07-12 18:39:59 +00:00
|
|
|
DDP_LOCK(ddp);
|
2006-07-21 17:11:15 +00:00
|
|
|
at_pcbdisconnect(ddp);
|
|
|
|
DDP_UNLOCK(ddp);
|
2006-08-05 14:14:34 +00:00
|
|
|
soisdisconnected(so);
|
2006-07-21 17:11:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
ddp_close(struct socket *so)
|
|
|
|
{
|
|
|
|
struct ddpcb *ddp;
|
|
|
|
|
|
|
|
ddp = sotoddpcb(so);
|
|
|
|
KASSERT(ddp != NULL, ("ddp_close: ddp == NULL"));
|
|
|
|
|
|
|
|
DDP_LOCK(ddp);
|
|
|
|
at_pcbdisconnect(ddp);
|
|
|
|
DDP_UNLOCK(ddp);
|
2006-08-05 14:14:34 +00:00
|
|
|
soisdisconnected(so);
|
1996-05-24 01:35:45 +00:00
|
|
|
}
|
|
|
|
|
2004-03-19 07:21:22 +00:00
|
|
|
void
|
|
|
|
ddp_init(void)
|
1996-05-24 01:35:45 +00:00
|
|
|
{
|
2007-01-12 15:07:51 +00:00
|
|
|
|
2004-03-19 07:21:22 +00:00
|
|
|
atintrq1.ifq_maxlen = IFQ_MAXLEN;
|
|
|
|
atintrq2.ifq_maxlen = IFQ_MAXLEN;
|
|
|
|
aarpintrq.ifq_maxlen = IFQ_MAXLEN;
|
|
|
|
mtx_init(&atintrq1.ifq_mtx, "at1_inq", NULL, MTX_DEF);
|
|
|
|
mtx_init(&atintrq2.ifq_mtx, "at2_inq", NULL, MTX_DEF);
|
|
|
|
mtx_init(&aarpintrq.ifq_mtx, "aarp_inq", NULL, MTX_DEF);
|
2004-07-12 18:39:59 +00:00
|
|
|
DDP_LIST_LOCK_INIT();
|
2005-02-18 10:53:00 +00:00
|
|
|
netisr_register(NETISR_ATALK1, at1intr, &atintrq1, NETISR_MPSAFE);
|
|
|
|
netisr_register(NETISR_ATALK2, at2intr, &atintrq2, NETISR_MPSAFE);
|
|
|
|
netisr_register(NETISR_AARP, aarpintr, &aarpintrq, NETISR_MPSAFE);
|
1996-05-24 01:35:45 +00:00
|
|
|
}
|
|
|
|
|
2004-03-19 07:21:22 +00:00
|
|
|
#if 0
|
1996-05-24 01:35:45 +00:00
|
|
|
static void
|
2004-03-22 03:24:10 +00:00
|
|
|
ddp_clean(void)
|
1996-05-24 01:35:45 +00:00
|
|
|
{
|
2007-01-12 15:07:51 +00:00
|
|
|
struct ddpcp *ddp;
|
1996-05-24 01:35:45 +00:00
|
|
|
|
2007-01-12 15:07:51 +00:00
|
|
|
for (ddp = ddpcb_list; ddp != NULL; ddp = ddp->ddp_next)
|
|
|
|
at_pcbdetach(ddp->ddp_socket, ddp);
|
|
|
|
DDP_LIST_LOCK_DESTROY();
|
1996-05-24 01:35:45 +00:00
|
|
|
}
|
2004-03-19 07:21:22 +00:00
|
|
|
#endif
|
|
|
|
|
1997-05-13 21:01:45 +00:00
|
|
|
static int
|
1997-08-16 19:16:27 +00:00
|
|
|
at_setpeeraddr(struct socket *so, struct sockaddr **nam)
|
1997-05-13 21:01:45 +00:00
|
|
|
{
|
2007-01-12 15:07:51 +00:00
|
|
|
|
2004-03-22 03:24:10 +00:00
|
|
|
return (EOPNOTSUPP);
|
1997-05-13 21:01:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
1997-08-16 19:16:27 +00:00
|
|
|
at_setsockaddr(struct socket *so, struct sockaddr **nam)
|
1997-05-13 21:01:45 +00:00
|
|
|
{
|
|
|
|
struct ddpcb *ddp;
|
1998-12-07 21:58:50 +00:00
|
|
|
|
2004-03-22 03:24:10 +00:00
|
|
|
ddp = sotoddpcb(so);
|
2006-03-25 18:54:17 +00:00
|
|
|
KASSERT(ddp != NULL, ("at_setsockaddr: ddp == NULL"));
|
|
|
|
|
2004-07-12 18:39:59 +00:00
|
|
|
DDP_LOCK(ddp);
|
2004-03-22 03:24:10 +00:00
|
|
|
at_sockaddr(ddp, nam);
|
2004-07-12 18:39:59 +00:00
|
|
|
DDP_UNLOCK(ddp);
|
2004-03-22 03:24:10 +00:00
|
|
|
return (0);
|
1997-05-13 21:01:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
struct pr_usrreqs ddp_usrreqs = {
|
2004-11-08 14:44:54 +00:00
|
|
|
.pru_abort = ddp_abort,
|
|
|
|
.pru_attach = ddp_attach,
|
|
|
|
.pru_bind = ddp_bind,
|
|
|
|
.pru_connect = ddp_connect,
|
|
|
|
.pru_control = at_control,
|
|
|
|
.pru_detach = ddp_detach,
|
|
|
|
.pru_disconnect = ddp_disconnect,
|
|
|
|
.pru_peeraddr = at_setpeeraddr,
|
|
|
|
.pru_send = ddp_send,
|
|
|
|
.pru_shutdown = ddp_shutdown,
|
|
|
|
.pru_sockaddr = at_setsockaddr,
|
2006-07-21 17:11:15 +00:00
|
|
|
.pru_close = ddp_close,
|
1997-05-13 21:01:45 +00:00
|
|
|
};
|