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author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 10:09:53 +0000 |
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committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 10:09:53 +0000 |
commit | 8fb65ce818b3e3c6f165b583b910af24000768a5 (patch) | |
tree | ba751e4f2166aefec707c9d7401c7ff432506642 /sys/kern/uipc_domain.c | |
parent | a6ce65d368e623088a4c1a29865889f431b15420 (diff) | |
download | FreeBSD-src-8fb65ce818b3e3c6f165b583b910af24000768a5.zip FreeBSD-src-8fb65ce818b3e3c6f165b583b910af24000768a5.tar.gz |
BSD 4.4 Lite Kernel Sources
Diffstat (limited to 'sys/kern/uipc_domain.c')
-rw-r--r-- | sys/kern/uipc_domain.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/sys/kern/uipc_domain.c b/sys/kern/uipc_domain.c new file mode 100644 index 0000000..8834dbf --- /dev/null +++ b/sys/kern/uipc_domain.c @@ -0,0 +1,220 @@ +/* + * 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 + */ + +#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); \ +} + +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); +} + +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); +} + +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); +} |