libdladm/common/libdlsim.c

2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
2N/A */
2N/A
2N/A#include <sys/types.h>
2N/A#include <string.h>
2N/A#include <strings.h>
2N/A#include <sys/mac.h>
2N/A#include <sys/dls_mgmt.h>
2N/A#include <sys/dlpi.h>
2N/A#include <net/simnet.h>
2N/A#include <errno.h>
2N/A#include <unistd.h>
2N/A
2N/A#include <libdladm_impl.h>
2N/A#include <libdllink.h>
2N/A#include <libdlaggr.h>
2N/A#include <libdlsim.h>
2N/A
2N/Astatic dladm_status_t dladm_simnet_persist_conf(dladm_handle_t, const char *,
2N/A    dladm_simnet_attr_t *);
2N/A
2N/A/* New simnet instance creation */
2N/Astatic dladm_status_t
2N/Ai_dladm_create_simnet(dladm_handle_t handle, dladm_simnet_attr_t *attrp)
2N/A{
2N/A    int rc;
2N/A    dladm_status_t status = DLADM_STATUS_OK;
2N/A    simnet_ioc_create_t ioc;
2N/A
2N/A    bzero(&ioc, sizeof (ioc));
2N/A    ioc.sic_link_id = attrp->sna_link_id;
2N/A    ioc.sic_type = attrp->sna_type;
2N/A    if (attrp->sna_mac_len > 0 && attrp->sna_mac_len <= MAXMACADDRLEN) {
2N/A        ioc.sic_mac_len = attrp->sna_mac_len;
2N/A        bcopy(attrp->sna_mac_addr, ioc.sic_mac_addr, ioc.sic_mac_len);
2N/A    }
2N/A
2N/A    rc = ioctl(dladm_dld_fd(handle), SIMNET_IOC_CREATE, &ioc);
2N/A    if (rc < 0)
2N/A        status = dladm_errno2status(errno);
2N/A
2N/A    if (status != DLADM_STATUS_OK)
2N/A        return (status);
2N/A
2N/A    bcopy(ioc.sic_mac_addr, attrp->sna_mac_addr, MAXMACADDRLEN);
2N/A    attrp->sna_mac_len = ioc.sic_mac_len;
2N/A    return (status);
2N/A}
2N/A
2N/A/* Modify existing simnet instance */
2N/Astatic dladm_status_t
2N/Ai_dladm_modify_simnet(dladm_handle_t handle, dladm_simnet_attr_t *attrp)
2N/A{
2N/A    int rc;
2N/A    dladm_status_t status = DLADM_STATUS_OK;
2N/A    simnet_ioc_modify_t ioc;
2N/A
2N/A    bzero(&ioc, sizeof (ioc));
2N/A    ioc.sim_link_id = attrp->sna_link_id;
2N/A    ioc.sim_peer_link_id = attrp->sna_peer_link_id;
2N/A
2N/A    rc = ioctl(dladm_dld_fd(handle), SIMNET_IOC_MODIFY, &ioc);
2N/A    if (rc < 0)
2N/A        status = dladm_errno2status(errno);
2N/A
2N/A    return (status);
2N/A}
2N/A
2N/A/* Delete simnet instance */
2N/Astatic dladm_status_t
2N/Ai_dladm_delete_simnet(dladm_handle_t handle, dladm_simnet_attr_t *attrp)
2N/A{
2N/A    int rc;
2N/A    simnet_ioc_delete_t ioc;
2N/A
2N/A    bzero(&ioc, sizeof (ioc));
2N/A    ioc.sid_link_id = attrp->sna_link_id;
2N/A
2N/A    rc = ioctl(dladm_dld_fd(handle), SIMNET_IOC_DELETE, &ioc);
2N/A    if (rc < 0)
2N/A        return (dladm_errno2status(errno));
2N/A
2N/A    (void) dladm_destroy_datalink_id(handle, attrp->sna_link_id,
2N/A        DLADM_OPT_ACTIVE);
2N/A    return (DLADM_STATUS_OK);
2N/A}
2N/A
2N/A/* Retrieve simnet instance information */
2N/Astatic dladm_status_t
2N/Ai_dladm_get_simnet_info(dladm_handle_t handle, dladm_simnet_attr_t *attrp)
2N/A{
2N/A    int rc;
2N/A    dladm_status_t status = DLADM_STATUS_OK;
2N/A    simnet_ioc_info_t ioc;
2N/A
2N/A    bzero(&ioc, sizeof (ioc));
2N/A    ioc.sii_link_id = attrp->sna_link_id;
2N/A
2N/A    rc = ioctl(dladm_dld_fd(handle), SIMNET_IOC_INFO, &ioc);
2N/A    if (rc < 0) {
2N/A        status = dladm_errno2status(errno);
2N/A        return (status);
2N/A    }
2N/A
2N/A    bcopy(ioc.sii_mac_addr, attrp->sna_mac_addr, MAXMACADDRLEN);
2N/A    attrp->sna_mac_len = ioc.sii_mac_len;
2N/A    attrp->sna_peer_link_id = ioc.sii_peer_link_id;
2N/A    attrp->sna_type = ioc.sii_type;
2N/A    return (status);
2N/A}
2N/A
2N/A/* Retrieve simnet configuratin */
2N/Astatic dladm_status_t
2N/Ai_dladm_get_simnet_info_persist(dladm_handle_t handle,
2N/A    dladm_simnet_attr_t *attrp)
2N/A{
2N/A    dladm_conf_t conf;
2N/A    dladm_status_t status;
2N/A    char macstr[ETHERADDRL * 3];
2N/A    char simnetpeer[MAXLINKNAMELEN];
2N/A    uint64_t u64;
2N/A    boolean_t mac_fixed;
2N/A
2N/A    if ((status = dladm_getsnap_conf(handle, attrp->sna_link_id,
2N/A        &conf)) != DLADM_STATUS_OK)
2N/A        return (status);
2N/A
2N/A    status = dladm_get_conf_field(handle, conf, FSIMNETTYPE, &u64,
2N/A        sizeof (u64));
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A    attrp->sna_type = (uint_t)u64;
2N/A
2N/A    status = dladm_get_conf_field(handle, conf, FMADDRLEN, &u64,
2N/A        sizeof (u64));
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A    attrp->sna_mac_len = (uint_t)u64;
2N/A
2N/A    status = dladm_get_conf_field(handle, conf, FMACADDR, macstr,
2N/A        sizeof (macstr));
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A    (void) dladm_aggr_str2macaddr(macstr, &mac_fixed, attrp->sna_mac_addr);
2N/A
2N/A    /* Peer field is optional and only set when peer is attached */
2N/A    if (dladm_get_conf_field(handle, conf, FSIMNETPEER, simnetpeer,
2N/A        sizeof (simnetpeer)) == DLADM_STATUS_OK) {
2N/A        status = dladm_name2info(handle, simnetpeer,
2N/A            &attrp->sna_peer_link_id, NULL, NULL, NULL);
2N/A    } else {
2N/A        attrp->sna_peer_link_id = DATALINK_INVALID_LINKID;
2N/A    }
2N/Adone:
2N/A    dladm_destroy_conf(handle, conf);
2N/A    return (status);
2N/A}
2N/A
2N/Adladm_status_t
2N/Adladm_simnet_create(dladm_handle_t handle, const char *simnetname,
2N/A    uint_t media, uint32_t flags)
2N/A{
2N/A    datalink_id_t simnet_id;
2N/A    dladm_status_t status;
2N/A    dladm_simnet_attr_t attr;
2N/A
2N/A    if (!(flags & DLADM_OPT_ACTIVE))
2N/A        return (DLADM_STATUS_NOTSUP);
2N/A
2N/A    flags &= (DLADM_OPT_ACTIVE | DLADM_OPT_PERSIST);
2N/A    if ((status = dladm_create_datalink_id(handle, simnetname,
2N/A        DATALINK_CLASS_SIMNET, media, flags,
2N/A        &simnet_id)) != DLADM_STATUS_OK)
2N/A        return (status);
2N/A
2N/A    bzero(&attr, sizeof (attr));
2N/A    attr.sna_link_id = simnet_id;
2N/A    attr.sna_type = media;
2N/A    status = i_dladm_create_simnet(handle, &attr);
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A
2N/A    if (!(flags & DLADM_OPT_PERSIST))
2N/A        goto done;
2N/A
2N/A    status = dladm_simnet_persist_conf(handle, simnetname, &attr);
2N/A    if (status != DLADM_STATUS_OK) {
2N/A        (void) i_dladm_delete_simnet(handle, &attr);
2N/A        goto done;
2N/A    }
2N/A
2N/A    (void) dladm_set_linkprop(handle, simnet_id, NULL, NULL, 0, flags);
2N/A
2N/Adone:
2N/A    if (status != DLADM_STATUS_OK) {
2N/A        (void) dladm_destroy_datalink_id(handle, simnet_id, flags);
2N/A    }
2N/A    return (status);
2N/A}
2N/A
2N/A/* Update existing simnet configuration */
2N/Astatic dladm_status_t
2N/Ai_dladm_simnet_update_conf(dladm_handle_t handle, datalink_id_t simnet_id,
2N/A    datalink_id_t peer_simnet_id)
2N/A{
2N/A    dladm_status_t status;
2N/A    dladm_conf_t conf;
2N/A    char simnetpeer[MAXLINKNAMELEN];
2N/A
2N/A    status = dladm_open_conf(handle, simnet_id, &conf);
2N/A    if (status != DLADM_STATUS_OK)
2N/A        return (status);
2N/A
2N/A    /* First clear previous peer if any in configuration */
2N/A    (void) dladm_unset_conf_field(handle, conf, FSIMNETPEER);
2N/A    if (peer_simnet_id != DATALINK_INVALID_LINKID) {
2N/A        if ((status = dladm_datalink_id2info(handle,
2N/A            peer_simnet_id, NULL, NULL, NULL, simnetpeer,
2N/A            sizeof (simnetpeer))) == DLADM_STATUS_OK) {
2N/A            status = dladm_set_conf_field(handle, conf,
2N/A                FSIMNETPEER, DLADM_TYPE_STR, simnetpeer);
2N/A        }
2N/A        if (status != DLADM_STATUS_OK)
2N/A            goto fail;
2N/A    }
2N/A
2N/A    status = dladm_write_conf(handle, conf, simnet_id);
2N/Afail:
2N/A    dladm_destroy_conf(handle, conf);
2N/A    return (status);
2N/A}
2N/A
2N/A/* Modify attached simnet peer */
2N/Adladm_status_t
2N/Adladm_simnet_modify(dladm_handle_t handle, datalink_id_t simnet_id,
2N/A    datalink_id_t peer_simnet_id, uint32_t flags)
2N/A{
2N/A    dladm_simnet_attr_t attr;
2N/A    dladm_simnet_attr_t prevattr;
2N/A    dladm_status_t status;
2N/A    datalink_class_t class;
2N/A    uint32_t linkflags;
2N/A    uint32_t peerlinkflags;
2N/A
2N/A    if (!(flags & DLADM_OPT_ACTIVE))
2N/A        return (DLADM_STATUS_NOTSUP);
2N/A
2N/A    if ((dladm_datalink_id2info(handle, simnet_id, &linkflags, &class,
2N/A        NULL, NULL, 0) != DLADM_STATUS_OK))
2N/A        return (DLADM_STATUS_BADARG);
2N/A    if (class != DATALINK_CLASS_SIMNET)
2N/A        return (DLADM_STATUS_BADARG);
2N/A
2N/A    if (peer_simnet_id != DATALINK_INVALID_LINKID) {
2N/A        if (dladm_datalink_id2info(handle, peer_simnet_id,
2N/A            &peerlinkflags, &class, NULL, NULL, 0) != DLADM_STATUS_OK)
2N/A            return (DLADM_STATUS_BADARG);
2N/A        if (class != DATALINK_CLASS_SIMNET)
2N/A            return (DLADM_STATUS_BADARG);
2N/A        /* Check to ensure the peer link has identical flags */
2N/A        if (peerlinkflags != linkflags)
2N/A            return (DLADM_STATUS_BADARG);
2N/A    }
2N/A
2N/A    /* Retrieve previous attrs before modification */
2N/A    bzero(&prevattr, sizeof (prevattr));
2N/A    if ((status = dladm_simnet_info(handle, simnet_id, &prevattr,
2N/A        flags)) != DLADM_STATUS_OK)
2N/A        return (status);
2N/A
2N/A    bzero(&attr, sizeof (attr));
2N/A    attr.sna_link_id = simnet_id;
2N/A    attr.sna_peer_link_id = peer_simnet_id;
2N/A    status = i_dladm_modify_simnet(handle, &attr);
2N/A    if ((status != DLADM_STATUS_OK) || !(flags & DLADM_OPT_PERSIST))
2N/A        return (status);
2N/A
2N/A    /* First we clear link's existing peer field in config */
2N/A    status = i_dladm_simnet_update_conf(handle, simnet_id,
2N/A        DATALINK_INVALID_LINKID);
2N/A    if (status != DLADM_STATUS_OK)
2N/A        return (status);
2N/A
2N/A    /* Clear the previous peer link's existing peer field in config */
2N/A    if (prevattr.sna_peer_link_id != DATALINK_INVALID_LINKID) {
2N/A        status = i_dladm_simnet_update_conf(handle,
2N/A            prevattr.sna_peer_link_id, DATALINK_INVALID_LINKID);
2N/A        if (status != DLADM_STATUS_OK)
2N/A            return (status);
2N/A    }
2N/A
2N/A    /* Update the configuration in both simnets with any new peer link */
2N/A    if (peer_simnet_id != DATALINK_INVALID_LINKID) {
2N/A        status = i_dladm_simnet_update_conf(handle, simnet_id,
2N/A            peer_simnet_id);
2N/A        if (status == DLADM_STATUS_OK)
2N/A            status = i_dladm_simnet_update_conf(handle,
2N/A                peer_simnet_id, simnet_id);
2N/A    }
2N/A
2N/A    return (status);
2N/A}
2N/A
2N/Adladm_status_t
2N/Adladm_simnet_delete(dladm_handle_t handle, datalink_id_t simnet_id,
2N/A    uint32_t flags)
2N/A{
2N/A    dladm_simnet_attr_t attr;
2N/A    dladm_simnet_attr_t prevattr;
2N/A    dladm_status_t status;
2N/A    datalink_class_t class;
2N/A
2N/A    if ((dladm_datalink_id2info(handle, simnet_id, NULL, &class,
2N/A        NULL, NULL, 0) != DLADM_STATUS_OK))
2N/A        return (DLADM_STATUS_BADARG);
2N/A
2N/A    if (class != DATALINK_CLASS_SIMNET)
2N/A        return (DLADM_STATUS_BADARG);
2N/A
2N/A    /* Check current simnet attributes before deletion */
2N/A    flags &= (DLADM_OPT_ACTIVE | DLADM_OPT_PERSIST);
2N/A    bzero(&prevattr, sizeof (prevattr));
2N/A    if ((status = dladm_simnet_info(handle, simnet_id, &prevattr,
2N/A        flags)) != DLADM_STATUS_OK)
2N/A        return (status);
2N/A
2N/A    bzero(&attr, sizeof (attr));
2N/A    attr.sna_link_id = simnet_id;
2N/A    if (flags & DLADM_OPT_ACTIVE) {
2N/A        status = i_dladm_delete_simnet(handle, &attr);
2N/A        if (status == DLADM_STATUS_OK ||
2N/A            status == DLADM_STATUS_NOTFOUND) {
2N/A            (void) dladm_set_linkprop(handle, simnet_id, NULL,
2N/A                NULL, 0, DLADM_OPT_ACTIVE);
2N/A            (void) dladm_destroy_datalink_id(handle, simnet_id,
2N/A                DLADM_OPT_ACTIVE);
2N/A        } else {
2N/A            return (status);
2N/A        }
2N/A    }
2N/A
2N/A    if (flags & DLADM_OPT_PERSIST) {
2N/A        (void) dladm_remove_conf(handle, simnet_id);
2N/A        (void) dladm_destroy_datalink_id(handle, simnet_id,
2N/A            DLADM_OPT_PERSIST);
2N/A
2N/A        /* Update any attached peer configuration */
2N/A        if (prevattr.sna_peer_link_id != DATALINK_INVALID_LINKID)
2N/A            status = i_dladm_simnet_update_conf(handle,
2N/A                prevattr.sna_peer_link_id, DATALINK_INVALID_LINKID);
2N/A    }
2N/A    return (status);
2N/A}
2N/A
2N/A/* Retrieve simnet information either active or from configuration */
2N/Adladm_status_t
2N/Adladm_simnet_info(dladm_handle_t handle, datalink_id_t simnet_id,
2N/A    dladm_simnet_attr_t *attrp, uint32_t flags)
2N/A{
2N/A    datalink_class_t class;
2N/A    dladm_status_t status;
2N/A
2N/A    if ((dladm_datalink_id2info(handle, simnet_id, NULL, &class,
2N/A        NULL, NULL, 0) != DLADM_STATUS_OK))
2N/A        return (DLADM_STATUS_BADARG);
2N/A
2N/A    if (class != DATALINK_CLASS_SIMNET)
2N/A        return (DLADM_STATUS_BADARG);
2N/A
2N/A    bzero(attrp, sizeof (attrp));
2N/A    attrp->sna_link_id = simnet_id;
2N/A
2N/A    if (flags & DLADM_OPT_ACTIVE) {
2N/A        status = i_dladm_get_simnet_info(handle, attrp);
2N/A        /*
2N/A         * If no active simnet found then return any simnet
2N/A         * from stored config if requested.
2N/A         */
2N/A        if (status == DLADM_STATUS_NOTFOUND &&
2N/A            (flags & DLADM_OPT_PERSIST))
2N/A            return (i_dladm_get_simnet_info_persist(handle, attrp));
2N/A        return (status);
2N/A    } else if (flags & DLADM_OPT_PERSIST) {
2N/A        return (i_dladm_get_simnet_info_persist(handle, attrp));
2N/A    } else {
2N/A        return (DLADM_STATUS_BADARG);
2N/A    }
2N/A}
2N/A
2N/A/* Bring up simnet from stored configuration */
2N/Astatic int
2N/Ai_dladm_simnet_up(dladm_handle_t handle, datalink_id_t simnet_id, void *arg)
2N/A{
2N/A    dladm_status_t *statusp = arg;
2N/A    dladm_status_t status;
2N/A    dladm_simnet_attr_t attr;
2N/A    dladm_simnet_attr_t peer_attr;
2N/A
2N/A    bzero(&attr, sizeof (attr));
2N/A    attr.sna_link_id = simnet_id;
2N/A    status = dladm_simnet_info(handle, simnet_id, &attr,
2N/A        DLADM_OPT_PERSIST);
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A
2N/A    status = i_dladm_create_simnet(handle, &attr);
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A
2N/A    /*
2N/A     * When bringing up check if the peer link is available, if it
2N/A     * is then modify the simnet and attach the peer link.
2N/A     */
2N/A    if ((attr.sna_peer_link_id != DATALINK_INVALID_LINKID) &&
2N/A        (dladm_simnet_info(handle, attr.sna_peer_link_id, &peer_attr,
2N/A        DLADM_OPT_ACTIVE) == DLADM_STATUS_OK)) {
2N/A        status = i_dladm_modify_simnet(handle, &attr);
2N/A        if (status != DLADM_STATUS_OK)
2N/A            goto done;
2N/A    }
2N/A
2N/A    if ((status = dladm_up_datalink_id(handle, simnet_id)) !=
2N/A        DLADM_STATUS_OK) {
2N/A        (void) dladm_simnet_delete(handle, simnet_id,
2N/A            DLADM_OPT_PERSIST);
2N/A        goto done;
2N/A    }
2N/Adone:
2N/A    *statusp = status;
2N/A    return (DLADM_WALK_CONTINUE);
2N/A}
2N/A
2N/A/* Bring up simnet instance(s) from configuration */
2N/A/* ARGSUSED */
2N/Adladm_status_t
2N/Adladm_simnet_up(dladm_handle_t handle, datalink_id_t simnet_id,
2N/A    uint32_t flags)
2N/A{
2N/A    dladm_status_t status;
2N/A
2N/A    if (simnet_id == DATALINK_ALL_LINKID) {
2N/A        (void) dladm_walk_datalink_id(i_dladm_simnet_up, handle,
2N/A            &status, DATALINK_CLASS_SIMNET, DATALINK_ANY_MEDIATYPE,
2N/A            DLADM_OPT_PERSIST);
2N/A        return (DLADM_STATUS_OK);
2N/A    } else {
2N/A        (void) i_dladm_simnet_up(handle, simnet_id, &status);
2N/A        return (status);
2N/A    }
2N/A}
2N/A
2N/A/* Bring down a simnet.  Persistent configuration is not changed. */
2N/Astatic int
2N/Ai_dladm_simnet_down(dladm_handle_t handle, datalink_id_t simnet_id, void *arg)
2N/A{
2N/A    dladm_status_t *statusp = arg;
2N/A    dladm_simnet_attr_t attr;
2N/A    dladm_status_t status;
2N/A
2N/A    bzero(&attr, sizeof (attr));
2N/A    attr.sna_link_id = simnet_id;
2N/A
2N/A    status = i_dladm_delete_simnet(handle, &attr);
2N/A    if (statusp != NULL)
2N/A        *statusp = status;
2N/A    return (DLADM_WALK_CONTINUE);
2N/A}
2N/A
2N/A/*
2N/A * Bring down simnet instance(s).  Persistent configuration and linkid mapping
2N/A * in dlmgmtd is not removed.  Downed simnet instance(s) can be brought up
2N/A * with dladm_simnet_up().
2N/A */
2N/A/* ARGSUSED */
2N/Adladm_status_t
2N/Adladm_simnet_down(dladm_handle_t handle, datalink_id_t simnet_id,
2N/A    uint32_t flags)
2N/A{
2N/A    dladm_status_t status = DLADM_STATUS_OK;
2N/A
2N/A    if (simnet_id == DATALINK_ALL_LINKID) {
2N/A        (void) dladm_walk_datalink_id(i_dladm_simnet_down, handle, NULL,
2N/A            DATALINK_CLASS_SIMNET, DATALINK_ANY_MEDIATYPE,
2N/A            DLADM_OPT_ACTIVE);
2N/A    } else {
2N/A        (void) i_dladm_simnet_down(handle, simnet_id, &status);
2N/A    }
2N/A    return (status);
2N/A}
2N/A
2N/A/* Store simnet configuration */
2N/Astatic dladm_status_t
2N/Adladm_simnet_persist_conf(dladm_handle_t handle, const char *name,
2N/A    dladm_simnet_attr_t *attrp)
2N/A{
2N/A    dladm_conf_t conf;
2N/A    dladm_status_t status;
2N/A    char mstr[ETHERADDRL * 3];
2N/A    uint64_t u64;
2N/A
2N/A    if ((status = dladm_create_conf(handle, name, attrp->sna_link_id,
2N/A        DATALINK_CLASS_SIMNET, attrp->sna_type, &conf)) != DLADM_STATUS_OK)
2N/A        return (status);
2N/A
2N/A    status = dladm_set_conf_field(handle, conf, FMACADDR,
2N/A        DLADM_TYPE_STR, dladm_aggr_macaddr2str(attrp->sna_mac_addr, mstr));
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A
2N/A    u64 = attrp->sna_type;
2N/A    status = dladm_set_conf_field(handle, conf, FSIMNETTYPE,
2N/A        DLADM_TYPE_UINT64, &u64);
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A
2N/A    u64 = attrp->sna_mac_len;
2N/A    status = dladm_set_conf_field(handle, conf, FMADDRLEN,
2N/A        DLADM_TYPE_UINT64, &u64);
2N/A    if (status != DLADM_STATUS_OK)
2N/A        goto done;
2N/A
2N/A    status = dladm_write_conf(handle, conf, attrp->sna_link_id);
2N/Adone:
2N/A    dladm_destroy_conf(handle, conf);
2N/A    return (status);
2N/A}