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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* IEEE 802.3ad Link Aggregation.
*/
#include <sys/conf.h>
#include <sys/modctl.h>
#include <sys/aggr.h>
#include <sys/aggr_impl.h>
/* module description */
#define AGGR_LINKINFO "Link Aggregation MAC"
/* device info ptr, only one for instance 0 */
dev_info_t *aggr_dip = NULL;
static int aggr_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **);
static int aggr_attach(dev_info_t *, ddi_attach_cmd_t);
static int aggr_detach(dev_info_t *, ddi_detach_cmd_t);
DDI_DEFINE_STREAM_OPS(aggr_dev_ops, nulldev, nulldev, aggr_attach, aggr_detach,
nodev, aggr_getinfo, D_MP, NULL, ddi_quiesce_not_supported);
static struct modldrv aggr_modldrv = {
&mod_driverops, /* Type of module. This one is a driver */
AGGR_LINKINFO, /* short description */
&aggr_dev_ops /* driver specific ops */
};
static struct modlinkage modlinkage = {
MODREV_1, &aggr_modldrv, NULL
};
int
_init(void)
{
int err;
mac_init_ops(&aggr_dev_ops, "aggr");
if ((err = mod_install(&modlinkage)) != 0)
mac_fini_ops(&aggr_dev_ops);
return (err);
}
int
_fini(void)
{
int err;
if ((err = mod_remove(&modlinkage)) == 0)
mac_fini_ops(&aggr_dev_ops);
return (err);
}
int
_info(struct modinfo *modinfop)
{
return (mod_info(&modlinkage, modinfop));
}
/*ARGSUSED*/
static int
aggr_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg,
void **result)
{
switch (infocmd) {
case DDI_INFO_DEVT2DEVINFO:
*result = aggr_dip;
return (DDI_SUCCESS);
case DDI_INFO_DEVT2INSTANCE:
*result = 0;
return (DDI_SUCCESS);
}
return (DDI_FAILURE);
}
static int
aggr_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
{
switch (cmd) {
case DDI_ATTACH:
if (ddi_get_instance(dip) != 0) {
/* we only allow instance 0 to attach */
return (DDI_FAILURE);
}
if (aggr_ioc_init() != 0)
return (DDI_FAILURE);
aggr_dip = dip;
aggr_port_init();
aggr_grp_init();
aggr_lacp_init();
return (DDI_SUCCESS);
case DDI_RESUME:
return (DDI_SUCCESS);
default:
return (DDI_FAILURE);
}
}
/*ARGSUSED*/
static int
aggr_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
{
switch (cmd) {
case DDI_DETACH:
if (aggr_grp_count() > 0)
return (DDI_FAILURE);
aggr_dip = NULL;
aggr_port_fini();
aggr_grp_fini();
aggr_lacp_fini();
aggr_ioc_fini();
return (DDI_SUCCESS);
case DDI_SUSPEND:
return (DDI_SUCCESS);
default:
return (DDI_FAILURE);
}
}
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