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uipc_domain.c
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1993-08-12
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RCS_ID_C="$Id: uipc_domain.c,v 1.11 1993/06/04 11:16:15 jraja Exp $";
/*
* Copyright (c) 1993 AmiTCP/IP Group, <amitcp-group@hut.fi>
* Helsinki University of Technology, Finland.
* All rights reserved.
*
* HISTORY
* $Log: uipc_domain.c,v $
* Revision 1.11 1993/06/04 11:16:15 jraja
* Fixes for first public release.
*
* Revision 1.10 1993/05/17 01:07:47 ppessi
* Changed RCS version.
*
* Revision 1.9 1993/04/06 15:16:00 jraja
* Changed spl function return value storage to spl_t,
* changed bcopys and bzeros to aligned and/or const when possible,
* added inclusion of conf.h to every .c file.
*
* Revision 1.8 93/03/13 17:13:03 17:13:03 ppessi (Pekka Pessi)
* Fixed bugs with variable initializations. Works with UDP.
*
* Revision 1.7 93/03/05 03:26:19 03:26:19 ppessi (Pekka Pessi)
* Compiles with SASC. Initial test version.
*
* Revision 1.6 93/03/04 09:57:53 09:57:53 jraja (Jarno Tapio Rajahalme)
* Fixed includes.
*
* Revision 1.5 93/03/03 19:56:06 19:56:06 jraja (Jarno Tapio Rajahalme)
* Moved 'domains' definition here from sys/domain.h.
*
* Revision 1.4 93/02/24 12:55:09 12:55:09 jraja (Jarno Tapio Rajahalme)
* Changed init to remember if initialized.
*
* Revision 1.3 93/02/24 10:28:25 10:28:25 jraja (Jarno Tapio Rajahalme)
* Changed max_linkhdr to 0.
*
* Revision 1.2 93/02/24 09:59:36 09:59:36 jraja (Jarno Tapio Rajahalme)
* Fixed timeout()'s, commented out unix and route domains.
*
* Revision 1.1 92/11/19 12:06:47 12:06:47 jraja (Jarno Tapio Rajahalme)
* Initial revision
*
*
*/
/*
* Copyright (c) 1982, 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.
*
* @(#)uipc_domain.c 7.9 (Berkeley) 3/4/91
*/
#include <conf.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/domain.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <kern/amiga_includes.h>
#include <kern/uipc_domain_protos.h>
/* --- start moved from sys/domain.h --- */
struct domain *domains = NULL;
/* --- end moved from sys/domain.h --- */
static BOOL domain_initialized = FALSE;
#define ADDDOMAIN(x) { \
extern struct domain __CONCAT(x,domain); \
__CONCAT(x,domain.dom_next) = domains; \
domains = &__CONCAT(x,domain); \
}
BOOL
domaininit()
{
register struct domain *dp;
register struct protosw *pr;
if (domain_initialized)
return TRUE;
#undef unix
#ifndef AMITCP
ADDDOMAIN(unix);
#endif /* AMITCP */
ADDDOMAIN(route);
#if INET
ADDDOMAIN(inet);
#endif
#if NS
ADDDOMAIN(ns);
#endif
#if ISO
ADDDOMAIN(iso);
#endif
#if RMP
ADDDOMAIN(rmp);
#endif
#if CCITT
ADDDOMAIN(ccitt);
#endif
#if NIMP > 0
ADDDOMAIN(imp);
#endif
for (dp = domains; dp; dp = dp->dom_next) {
if (dp->dom_init)
(*dp->dom_init)();
for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
if (pr->pr_init)
(*pr->pr_init)();
}
#ifdef AMITCP
/*
* No space needed for the link header with SanaII drivers
*/
max_linkhdr = 0;
#else
if (max_linkhdr < 16) /* XXX */
max_linkhdr = 16;
#endif
max_hdr = max_linkhdr + max_protohdr;
max_datalen = MHLEN - max_hdr;
#ifndef AMITCP
/*
* Timeouts are scheduled from amiga_main.c in AmiTCP/IP
*/
pffasttimo();
pfslowtimo();
#endif
domain_initialized = TRUE;
return TRUE;
}
struct protosw *
pffindtype(family, type)
int family, type;
{
register struct domain *dp;
register struct protosw *pr;
for (dp = domains; dp; dp = dp->dom_next)
if (dp->dom_family == family)
goto found;
return (0);
found:
for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
if (pr->pr_type && pr->pr_type == type)
return (pr);
return (0);
}
struct protosw *
pffindproto(family, protocol, type)
int family, protocol, type;
{
register struct domain *dp;
register struct protosw *pr;
struct protosw *maybe = 0;
if (family == 0)
return (0);
for (dp = domains; dp; dp = dp->dom_next)
if (dp->dom_family == family)
goto found;
return (0);
found:
for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) {
if ((pr->pr_protocol == protocol) && (pr->pr_type == type))
return (pr);
if (type == SOCK_RAW && pr->pr_type == SOCK_RAW &&
pr->pr_protocol == 0 && maybe == (struct protosw *)0)
maybe = pr;
}
return (maybe);
}
void
pfctlinput(cmd, sa)
int cmd;
struct sockaddr *sa;
{
register struct domain *dp;
register struct protosw *pr;
for (dp = domains; dp; dp = dp->dom_next)
for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
if (pr->pr_ctlinput)
(*pr->pr_ctlinput)(cmd, sa, (caddr_t) 0);
}
void
pfslowtimo()
{
register struct domain *dp;
register struct protosw *pr;
for (dp = domains; dp; dp = dp->dom_next)
for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
if (pr->pr_slowtimo)
(*pr->pr_slowtimo)();
#ifndef AMITCP
/*
* Timeouts are scheduled from amiga_main.c in AmiTCP/IP
*/
timeout(pfslowtimo, (caddr_t)0, hz/2);
#endif /* AMITCP */
}
void
pffasttimo()
{
register struct domain *dp;
register struct protosw *pr;
for (dp = domains; dp; dp = dp->dom_next)
for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
if (pr->pr_fasttimo)
(*pr->pr_fasttimo)();
#ifndef AMITCP
/*
* Timeouts are scheduled from amiga_main.c in AmiTCP/IP
*/
timeout(pffasttimo, (caddr_t)0, hz/5);
#endif /* AMITCP */
}