/*
* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/dma-mapping.h>
#include <net/addrconf.h>
#include "rxe.h"
#include "rxe_loc.h"
#include "rxe_queue.h"
#include "rxe_hw_counters.h"
static int rxe_query_device(struct ib_device *dev,
struct ib_device_attr *attr,
struct ib_udata *uhw)
{
struct rxe_dev *rxe = to_rdev(dev);
if (uhw->inlen || uhw->outlen)
return -EINVAL;
*attr = rxe->attr;
return 0;
}
static int rxe_query_port(struct ib_device *dev,
u8 port_num, struct ib_port_attr *attr)
{
struct rxe_dev *rxe = to_rdev(dev);
struct rxe_port *port;
int rc;
port = &rxe->port;
/* *attr being zeroed by the caller, avoid zeroing it here */
*attr = port->attr;
mutex_lock(&rxe->usdev_lock);
rc = ib_get_eth_speed(dev, port_num, &attr->active_speed,
&attr->active_width);
if (attr->state == IB_PORT_ACTIVE)
attr->phys_state = RDMA_LINK_PHYS_STATE_LINK_UP;
else if (dev_get_flags(rxe->ndev) & IFF_UP)
attr->phys_state = RDMA_LINK_PHYS_STATE_POLLING;
else
attr->phys_state = RDMA_LINK_PHYS_STATE_DISABLED;
mutex_unlock(&rxe->usdev_lock);
return rc;
}
static struct net_device *rxe_get_netdev(struct ib_device *device,
u8 port_num)
{
struct rxe_dev *rxe = to_rdev(device);
if (rxe->ndev) {
dev_hold(rxe->ndev);
return rxe->ndev;
}
return NULL;
}
static int rxe_query_pkey(struct ib_device *device,
u8 port_num, u16 index, u16 *