inet/sockmods/sockmod_sctp.c

0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning/*
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * CDDL HEADER START
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning *
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * The contents of this file are subject to the terms of the
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * Common Development and Distribution License (the "License").
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * You may not use this file except in compliance with the License.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning *
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * or http://www.opensolaris.org/os/licensing.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * See the License for the specific language governing permissions
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * and limitations under the License.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning *
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * When distributing Covered Code, include this CDDL HEADER in each
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * If applicable, add the following below this CDDL HEADER, with the
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * fields enclosed by brackets "[]" replaced with your own identifying
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * information: Portions Copyright [yyyy] [name of copyright owner]
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning *
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * CDDL HEADER END
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning */
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning/*
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * Use is subject to license terms.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning */
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include <sys/sysmacros.h>
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include <sys/strsubr.h>
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include <sys/socket.h>
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include <sys/socketvar.h>
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include <sys/modctl.h>
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include <sys/cmn_err.h>
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include <netinet/sctp.h>
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include <fs/sockfs/sockcommon.h>
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning#include "socksctp.h"
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstruct sonode   *socksctp_create(struct sockparams *, int, int, int,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning                int, int, int *, cred_t *);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningvoid        socksctp_destroy(struct sonode *);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic int  socksctp_constructor(void *, void *, int);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic void     socksctp_destructor(void *, void *);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic __smod_priv_t sosctp_priv = {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    socksctp_create,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    socksctp_destroy,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    NULL
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning};
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic smod_reg_t sinfo = {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    SOCKMOD_VERSION,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    "socksctp",
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    SOCK_UC_VERSION,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    SOCK_DC_VERSION,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    NULL,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    &sosctp_priv
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning};
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningkmem_cache_t *sosctp_assoccache;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic kmem_cache_t *sosctp_sockcache;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning/*
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * Module linkage information for the kernel.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning */
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic struct modlsockmod modlsockmod = {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    &mod_sockmodops, "SCTP socket module", &sinfo
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning};
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic struct modlinkage modlinkage = {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    MODREV_1,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    &modlsockmod,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    NULL
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning};
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic int
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningsocksctp_init(void)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    sosctp_sockcache = kmem_cache_create("sctpsock",
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        sizeof (struct sctp_sonode), 0, socksctp_constructor,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        socksctp_destructor, NULL, NULL, NULL, 0);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    sosctp_assoccache = kmem_cache_create("sctp_assoc",
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        sizeof (struct sctp_soassoc), 0, NULL, NULL, NULL, NULL, NULL, 0);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    return (0);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic void
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningsocksctp_fini(void)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    kmem_cache_destroy(sosctp_sockcache);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    kmem_cache_destroy(sosctp_assoccache);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning/*ARGSUSED*/
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic int
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningsocksctp_constructor(void *buf, void *cdrarg, int kmflags)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    struct sctp_sonode *ss = buf;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    struct sonode *so = &ss->ss_so;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    ss->ss_type = SOSCTP_SOCKET;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    return (sonode_constructor((void *)so, cdrarg, kmflags));
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning/*ARGSUSED*/
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstatic void
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningsocksctp_destructor(void *buf, void *cdrarg)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    struct sctp_sonode *ss = buf;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    struct sonode *so = &ss->ss_so;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    sonode_destructor((void *)so, cdrarg);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning/*
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * Creates a sctp socket data structure.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning */
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning/* ARGSUSED */
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningstruct sonode *
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningsocksctp_create(struct sockparams *sp, int family, int type, int protocol,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    int version, int sflags, int *errorp, cred_t *cr)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    struct sctp_sonode *ss;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    struct sonode *so;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    int kmflags = (sflags & SOCKET_NOSLEEP) ? KM_NOSLEEP : KM_SLEEP;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    if (version == SOV_STREAM) {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        *errorp = EINVAL;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        return (NULL);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    }
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    /*
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning     * We only support two types of SCTP socket.  Let sotpi_create()
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning     * handle all other cases, such as raw socket.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning     */
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    if (!(family == AF_INET || family == AF_INET6) ||
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        !(type == SOCK_STREAM || type == SOCK_SEQPACKET)) {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        *errorp = EINVAL;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        return (NULL);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    }
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    ss = kmem_cache_alloc(sosctp_sockcache, kmflags);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    if (ss == NULL) {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        *errorp = ENOMEM;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        return (NULL);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    }
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    so = &ss->ss_so;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    ss->ss_maxassoc = 0;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    ss->ss_assoccnt = 0;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    ss->ss_assocs   = NULL;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    if (type == SOCK_STREAM) {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        sonode_init(so, sp, family, type, protocol,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning            &sosctp_sonodeops);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    } else {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        sonode_init(so, sp, family, type, protocol,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning            &sosctp_seq_sonodeops);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        ASSERT(type == SOCK_SEQPACKET);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        mutex_enter(&so->so_lock);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        (void) sosctp_aid_grow(ss, 1, kmflags);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        mutex_exit(&so->so_lock);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    }
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    if (version == SOV_DEFAULT) {
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        version = so_default_version;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    }
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    so->so_version = (short)version;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    dprint(2, ("sosctp_create: %p domain %d type %d\n", (void *)so, family,
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        type));
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark    /*
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark     * set the default values to be INFPSZ
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark     * if a protocol desires it can change the value later
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark     */
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark    so->so_proto_props.sopp_rxhiwat = SOCKET_RECVHIWATER;
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark    so->so_proto_props.sopp_rxlowat = SOCKET_RECVLOWATER;
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark    so->so_proto_props.sopp_maxpsz = INFPSZ;
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark    so->so_proto_props.sopp_maxblk = INFPSZ;
d496d3f8834a66aac9da86c94e941d41fdeff23bErik Nordmark
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    return (so);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning/*
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning * Free SCTP socket data structure.
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning */
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningvoid
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningsocksctp_destroy(struct sonode *so)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    struct sctp_sonode *ss;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    ASSERT((so->so_type == SOCK_STREAM || so->so_type == SOCK_SEQPACKET) &&
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        so->so_protocol == IPPROTO_SCTP);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    sosctp_fini(so, CRED());
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    ss = SOTOSSO(so);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    kmem_cache_free(sosctp_sockcache, ss);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningint
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning_init(void)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    int error = 0;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    (void) socksctp_init();
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    if ((error = mod_install(&modlinkage)) != 0)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        socksctp_fini();
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    return (error);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningint
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning_fini(void)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    int error = 0;
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    if ((error = mod_remove(&modlinkage)) == 0)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning        socksctp_fini();
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    return (error);
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangningint
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning_info(struct modinfo *modinfop)
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning{
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning    return (mod_info(&modlinkage, modinfop));
0f1702c5201310f0529cd5abb77652e5e9b241b6Yu Xiangning}