mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
225 lines
5.7 KiB
C
225 lines
5.7 KiB
C
/*
|
|
* Copyright (c) 1982, 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.
|
|
*
|
|
* @(#)uipc_domain.c 8.2 (Berkeley) 10/18/93
|
|
* $Id$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/domain.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/time.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/proc.h>
|
|
#include <vm/vm.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
void pffasttimo __P((void *));
|
|
void pfslowtimo __P((void *));
|
|
|
|
#define ADDDOMAIN(x) { \
|
|
extern struct domain __CONCAT(x,domain); \
|
|
__CONCAT(x,domain.dom_next) = domains; \
|
|
domains = &__CONCAT(x,domain); \
|
|
}
|
|
|
|
void
|
|
domaininit()
|
|
{
|
|
register struct domain *dp;
|
|
register struct protosw *pr;
|
|
|
|
#undef unix
|
|
#ifndef lint
|
|
ADDDOMAIN(unix);
|
|
ADDDOMAIN(route);
|
|
#ifdef INET
|
|
ADDDOMAIN(inet);
|
|
#endif
|
|
#ifdef NS
|
|
ADDDOMAIN(ns);
|
|
#endif
|
|
#ifdef ISO
|
|
ADDDOMAIN(iso);
|
|
#endif
|
|
#ifdef CCITT
|
|
ADDDOMAIN(ccitt);
|
|
#endif
|
|
#include "imp.h"
|
|
#if NIMP > 0
|
|
ADDDOMAIN(imp);
|
|
#endif
|
|
#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)();
|
|
}
|
|
|
|
if (max_linkhdr < 16) /* XXX */
|
|
max_linkhdr = 16;
|
|
max_hdr = max_linkhdr + max_protohdr;
|
|
max_datalen = MHLEN - max_hdr;
|
|
timeout(pffasttimo, (void *)0, 1);
|
|
timeout(pfslowtimo, (void *)0, 1);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
int
|
|
net_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
|
|
int *name;
|
|
u_int namelen;
|
|
void *oldp;
|
|
size_t *oldlenp;
|
|
void *newp;
|
|
size_t newlen;
|
|
struct proc *p;
|
|
{
|
|
register struct domain *dp;
|
|
register struct protosw *pr;
|
|
int family, protocol;
|
|
|
|
/*
|
|
* All sysctl names at this level are nonterminal;
|
|
* next two components are protocol family and protocol number,
|
|
* then at least one addition component.
|
|
*/
|
|
if (namelen < 3)
|
|
return (EISDIR); /* overloaded */
|
|
family = name[0];
|
|
protocol = name[1];
|
|
|
|
if (family == 0)
|
|
return (0);
|
|
for (dp = domains; dp; dp = dp->dom_next)
|
|
if (dp->dom_family == family)
|
|
goto found;
|
|
return (ENOPROTOOPT);
|
|
found:
|
|
for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
|
|
if (pr->pr_protocol == protocol && pr->pr_sysctl)
|
|
return ((*pr->pr_sysctl)(name + 2, namelen - 2,
|
|
oldp, oldlenp, newp, newlen));
|
|
return (ENOPROTOOPT);
|
|
}
|
|
|
|
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(arg)
|
|
void *arg;
|
|
{
|
|
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)();
|
|
timeout(pfslowtimo, (void *)0, hz/2);
|
|
}
|
|
|
|
void
|
|
pffasttimo(arg)
|
|
void *arg;
|
|
{
|
|
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)();
|
|
timeout(pffasttimo, (void *)0, hz/5);
|
|
}
|