/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* IEEE 802.3ad Link Aggregation -- IOCTL processing.
*/
#include <sys/aggr.h>
#include <sys/aggr_impl.h>
#include <sys/policy.h>
/*
* Process a LAIOC_MODIFY request.
*/
/* ARGSUSED */
static int
aggr_ioc_modify(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
{
laioc_modify_t *modify_arg = karg;
uint32_t policy;
boolean_t mac_fixed;
uchar_t mac_addr[ETHERADDRL];
uint8_t modify_mask_arg, modify_mask = 0;
aggr_lacp_mode_t lacp_mode;
aggr_lacp_timer_t lacp_timer;
modify_mask_arg = modify_arg->lu_modify_mask;
if (modify_mask_arg & LAIOC_MODIFY_POLICY) {
modify_mask |= AGGR_MODIFY_POLICY;
policy = modify_arg->lu_policy;
}
if (modify_mask_arg & LAIOC_MODIFY_MAC) {
modify_mask |= AGGR_MODIFY_MAC;
bcopy(modify_arg->lu_mac, mac_addr, ETHERADDRL);
mac_fixed = modify_arg->lu_mac_fixed;
}
if (modify_mask_arg & LAIOC_MODIFY_LACP_MODE) {
modify_mask |= AGGR_MODIFY_LACP_MODE;
lacp_mode = modify_arg->lu_lacp_mode;
}
if (modify_mask_arg & LAIOC_MODIFY_LACP_TIMER) {
modify_mask |= AGGR_MODIFY_LACP_TIMER;
lacp_timer = modify_arg->lu_lacp_timer;
}
return (aggr_grp_modify(modify_arg->lu_linkid, modify_mask, policy,
mac_fixed, mac_addr, lacp_mode, lacp_timer));
}
/*
* Process a LAIOC_CREATE request.
*/
/* ARGSUSED */
static int
aggr_ioc_create(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
{
laioc_create_t *create_arg = karg;
uint16_t nports;
laioc_port_t *ports = NULL;
size_t ports_size;
uint32_t policy;
boolean_t mac_fixed;
boolean_t force;
uchar_t mac_addr[ETHERADDRL];
aggr_lacp_mode_t lacp_mode;
aggr_lacp_timer_t lacp_timer;
int rc;
nports = create_arg->lc_nports;
if (nports > AGGR_MAX_PORTS)
return (EINVAL);
policy = create_arg->lc_policy;
lacp_mode = create_arg->lc_lacp_mode;
lacp_timer = create_arg->lc_lacp_timer;
ports_size = nports * sizeof (laioc_port_t);
ports = kmem_alloc(ports_size, KM_SLEEP);
if (ddi_copyin((uchar_t *)arg + sizeof (*create_arg), ports,
ports_size, mode) != 0) {
rc = EFAULT;
goto done;
}
bcopy(create_arg->lc_mac, mac_addr, ETHERADDRL);
mac_fixed = create_arg->lc_mac_fixed;
force = create_arg->lc_force;
rc = aggr_grp_create(create_arg->lc_linkid, create_arg->lc_key, nports,
ports, policy, mac_fixed, force, mac_addr, lacp_mode, lacp_timer,
cred);
done:
kmem_free(ports, ports_size);
return (rc);
}
/* ARGSUSED */
static int
aggr_ioc_delete(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
{
laioc_delete_t *delete_arg = karg;
return (aggr_grp_delete(delete_arg->ld_linkid, cred));
}
typedef struct aggr_ioc_info_state {
uint32_t bytes_left;
uchar_t *where; /* in user buffer */
int mode;
} aggr_ioc_info_state_t;
static int
aggr_ioc_info_new_grp(void *arg, datalink_id_t linkid, uint32_t key,
uchar_t *mac, boolean_t mac_fixed, boolean_t force, uint32_t policy,
uint32_t nports, aggr_lacp_mode_t lacp_mode, aggr_lacp_timer_t lacp_timer)
{
aggr_ioc_info_state_t *state = arg;
laioc_info_group_t grp;
if (state->bytes_left < sizeof (grp))
return (ENOSPC);
grp.lg_linkid = linkid;
grp.lg_key = key;
bcopy(mac, grp.lg_mac, ETHERADDRL);
grp.lg_mac_fixed = mac_fixed;
grp.lg_force = force;
grp.lg_policy = policy;
grp.lg_nports = nports;
grp.lg_lacp_mode = lacp_mode;
grp.lg_lacp_timer = lacp_timer;
if (ddi_copyout(&grp, state->where, sizeof (grp), state->mode) != 0)
return (EFAULT);
state->where += sizeof (grp);
state->bytes_left -= sizeof (grp);
return (0);
}
static int
aggr_ioc_info_new_port(void *arg, datalink_id_t linkid, uchar_t *mac,
aggr_port_state_t portstate, aggr_lacp_state_t *lacp_state)
{
aggr_ioc_info_state_t *state = arg;
laioc_info_port_t port;
if (state->bytes_left < sizeof (port))
return (ENOSPC);
port.lp_linkid = linkid;
bcopy(mac, port.lp_mac, ETHERADDRL);
port.lp_state = portstate;
port.lp_lacp_state = *lacp_state;
if (ddi_copyout(&port, state->where, sizeof (port), state->mode) != 0)
return (EFAULT);
state->where += sizeof (port);
state->bytes_left -= sizeof (port);
return (0);
}
/*ARGSUSED*/
static int
aggr_ioc_info(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
{
laioc_info_t *info_argp = karg;
aggr_ioc_info_state_t state;
state.bytes_left = info_argp->li_bufsize - sizeof (laioc_info_t);
state.where = (uchar_t *)arg + sizeof (laioc_info_t);
state.mode = mode;
return (aggr_grp_info(info_argp->li_group_linkid, &state,
aggr_ioc_info_new_grp, aggr_ioc_info_new_port, cred));
}
static int
aggr_ioc_add_remove(laioc_add_rem_t *add_rem_arg, intptr_t arg, int cmd,
int mode)
{
uint16_t nports;
laioc_port_t *ports = NULL;
size_t ports_size;
int rc;
nports = add_rem_arg->la_nports;
if (nports > AGGR_MAX_PORTS)
return (EINVAL);
ports_size = nports * sizeof (laioc_port_t);
ports = kmem_alloc(ports_size, KM_SLEEP);
if (ddi_copyin((uchar_t *)arg + sizeof (*add_rem_arg), ports,
ports_size, mode) != 0) {
rc = EFAULT;
goto done;
}
switch (cmd) {
case LAIOC_ADD:
rc = aggr_grp_add_ports(add_rem_arg->la_linkid, nports,
add_rem_arg->la_force, ports);
break;
case LAIOC_REMOVE:
rc = aggr_grp_rem_ports(add_rem_arg->la_linkid, nports, ports);
break;
}
done:
kmem_free(ports, ports_size);
return (rc);
}
/* ARGSUSED */
static int
aggr_ioc_add(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
{
return (aggr_ioc_add_remove(karg, arg, LAIOC_ADD, mode));
}
/* ARGSUSED */
static int
aggr_ioc_remove(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
{
return (aggr_ioc_add_remove(karg, arg, LAIOC_REMOVE, mode));
}
static dld_ioc_info_t aggr_ioc_list[] = {
{LAIOC_CREATE, DLDCOPYIN, sizeof (laioc_create_t), aggr_ioc_create,
secpolicy_dl_config},
{LAIOC_DELETE, DLDCOPYIN, sizeof (laioc_delete_t), aggr_ioc_delete,
secpolicy_dl_config},
{LAIOC_INFO, DLDCOPYINOUT, sizeof (laioc_info_t), aggr_ioc_info, NULL},
{LAIOC_ADD, DLDCOPYIN, sizeof (laioc_add_rem_t), aggr_ioc_add,
secpolicy_dl_config},
{LAIOC_REMOVE, DLDCOPYIN, sizeof (laioc_add_rem_t), aggr_ioc_remove,
secpolicy_dl_config},
{LAIOC_MODIFY, DLDCOPYIN, sizeof (laioc_modify_t), aggr_ioc_modify,
secpolicy_dl_config}
};
int
aggr_ioc_init(void)
{
return (dld_ioc_register(AGGR_IOC, aggr_ioc_list,
DLDIOCCNT(aggr_ioc_list)));
}
void
aggr_ioc_fini(void)
{
dld_ioc_unregister(AGGR_IOC);
}