1481 lines
40 KiB
C
1481 lines
40 KiB
C
/*
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* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
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* Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved.
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* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "core_priv.h"
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#include <linux/slab.h>
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#include <linux/stat.h>
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#include <linux/string.h>
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <rdma/ib_mad.h>
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#include <rdma/ib_pma.h>
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#include <rdma/ib_cache.h>
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#include <rdma/rdma_counter.h>
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#include <rdma/ib_sysfs.h>
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struct port_table_attribute {
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struct ib_port_attribute attr;
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char name[8];
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int index;
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__be16 attr_id;
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};
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struct gid_attr_group {
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struct ib_port *port;
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struct kobject kobj;
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struct attribute_group groups[2];
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const struct attribute_group *groups_list[3];
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struct port_table_attribute attrs_list[];
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};
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struct ib_port {
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struct kobject kobj;
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struct ib_device *ibdev;
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struct gid_attr_group *gid_attr_group;
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struct hw_stats_port_data *hw_stats_data;
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struct attribute_group groups[3];
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const struct attribute_group *groups_list[5];
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u32 port_num;
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struct port_table_attribute attrs_list[];
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};
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struct hw_stats_device_attribute {
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struct device_attribute attr;
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ssize_t (*show)(struct ib_device *ibdev, struct rdma_hw_stats *stats,
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unsigned int index, unsigned int port_num, char *buf);
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ssize_t (*store)(struct ib_device *ibdev, struct rdma_hw_stats *stats,
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unsigned int index, unsigned int port_num,
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const char *buf, size_t count);
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};
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struct hw_stats_port_attribute {
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struct ib_port_attribute attr;
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ssize_t (*show)(struct ib_device *ibdev, struct rdma_hw_stats *stats,
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unsigned int index, unsigned int port_num, char *buf);
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ssize_t (*store)(struct ib_device *ibdev, struct rdma_hw_stats *stats,
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unsigned int index, unsigned int port_num,
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const char *buf, size_t count);
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};
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struct hw_stats_device_data {
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struct attribute_group group;
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struct rdma_hw_stats *stats;
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struct hw_stats_device_attribute attrs[];
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};
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struct hw_stats_port_data {
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struct rdma_hw_stats *stats;
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struct hw_stats_port_attribute attrs[];
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};
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static ssize_t port_attr_show(struct kobject *kobj,
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struct attribute *attr, char *buf)
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{
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struct ib_port_attribute *port_attr =
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container_of(attr, struct ib_port_attribute, attr);
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struct ib_port *p = container_of(kobj, struct ib_port, kobj);
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if (!port_attr->show)
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return -EIO;
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return port_attr->show(p->ibdev, p->port_num, port_attr, buf);
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}
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static ssize_t port_attr_store(struct kobject *kobj,
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struct attribute *attr,
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const char *buf, size_t count)
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{
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struct ib_port_attribute *port_attr =
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container_of(attr, struct ib_port_attribute, attr);
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struct ib_port *p = container_of(kobj, struct ib_port, kobj);
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if (!port_attr->store)
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return -EIO;
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return port_attr->store(p->ibdev, p->port_num, port_attr, buf, count);
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}
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struct ib_device *ib_port_sysfs_get_ibdev_kobj(struct kobject *kobj,
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u32 *port_num)
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{
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struct ib_port *port = container_of(kobj, struct ib_port, kobj);
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*port_num = port->port_num;
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return port->ibdev;
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}
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EXPORT_SYMBOL(ib_port_sysfs_get_ibdev_kobj);
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static const struct sysfs_ops port_sysfs_ops = {
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.show = port_attr_show,
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.store = port_attr_store
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};
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static ssize_t hw_stat_device_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hw_stats_device_attribute *stat_attr =
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container_of(attr, struct hw_stats_device_attribute, attr);
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struct ib_device *ibdev = container_of(dev, struct ib_device, dev);
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return stat_attr->show(ibdev, ibdev->hw_stats_data->stats,
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stat_attr - ibdev->hw_stats_data->attrs, 0, buf);
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}
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static ssize_t hw_stat_device_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct hw_stats_device_attribute *stat_attr =
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container_of(attr, struct hw_stats_device_attribute, attr);
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struct ib_device *ibdev = container_of(dev, struct ib_device, dev);
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return stat_attr->store(ibdev, ibdev->hw_stats_data->stats,
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stat_attr - ibdev->hw_stats_data->attrs, 0, buf,
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count);
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}
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static ssize_t hw_stat_port_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *attr, char *buf)
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{
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struct hw_stats_port_attribute *stat_attr =
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container_of(attr, struct hw_stats_port_attribute, attr);
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struct ib_port *port = ibdev->port_data[port_num].sysfs;
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return stat_attr->show(ibdev, port->hw_stats_data->stats,
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stat_attr - port->hw_stats_data->attrs,
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port->port_num, buf);
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}
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static ssize_t hw_stat_port_store(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *attr,
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const char *buf, size_t count)
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{
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struct hw_stats_port_attribute *stat_attr =
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container_of(attr, struct hw_stats_port_attribute, attr);
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struct ib_port *port = ibdev->port_data[port_num].sysfs;
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return stat_attr->store(ibdev, port->hw_stats_data->stats,
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stat_attr - port->hw_stats_data->attrs,
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port->port_num, buf, count);
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}
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static ssize_t gid_attr_show(struct kobject *kobj,
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struct attribute *attr, char *buf)
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{
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struct ib_port_attribute *port_attr =
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container_of(attr, struct ib_port_attribute, attr);
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struct ib_port *p = container_of(kobj, struct gid_attr_group,
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kobj)->port;
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if (!port_attr->show)
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return -EIO;
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return port_attr->show(p->ibdev, p->port_num, port_attr, buf);
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}
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static const struct sysfs_ops gid_attr_sysfs_ops = {
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.show = gid_attr_show
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};
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static ssize_t state_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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struct ib_port_attr attr;
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ssize_t ret;
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static const char *state_name[] = {
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[IB_PORT_NOP] = "NOP",
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[IB_PORT_DOWN] = "DOWN",
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[IB_PORT_INIT] = "INIT",
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[IB_PORT_ARMED] = "ARMED",
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[IB_PORT_ACTIVE] = "ACTIVE",
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[IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER"
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};
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ret = ib_query_port(ibdev, port_num, &attr);
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if (ret)
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return ret;
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return sysfs_emit(buf, "%d: %s\n", attr.state,
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attr.state >= 0 &&
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attr.state < ARRAY_SIZE(state_name) ?
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state_name[attr.state] :
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"UNKNOWN");
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}
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static ssize_t lid_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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struct ib_port_attr attr;
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ssize_t ret;
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ret = ib_query_port(ibdev, port_num, &attr);
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if (ret)
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return ret;
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return sysfs_emit(buf, "0x%x\n", attr.lid);
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}
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static ssize_t lid_mask_count_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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struct ib_port_attr attr;
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ssize_t ret;
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ret = ib_query_port(ibdev, port_num, &attr);
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if (ret)
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return ret;
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return sysfs_emit(buf, "%u\n", attr.lmc);
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}
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static ssize_t sm_lid_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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struct ib_port_attr attr;
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ssize_t ret;
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ret = ib_query_port(ibdev, port_num, &attr);
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if (ret)
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return ret;
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return sysfs_emit(buf, "0x%x\n", attr.sm_lid);
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}
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static ssize_t sm_sl_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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struct ib_port_attr attr;
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ssize_t ret;
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ret = ib_query_port(ibdev, port_num, &attr);
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if (ret)
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return ret;
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return sysfs_emit(buf, "%u\n", attr.sm_sl);
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}
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static ssize_t cap_mask_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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struct ib_port_attr attr;
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ssize_t ret;
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ret = ib_query_port(ibdev, port_num, &attr);
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if (ret)
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return ret;
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return sysfs_emit(buf, "0x%08x\n", attr.port_cap_flags);
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}
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static ssize_t rate_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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struct ib_port_attr attr;
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char *speed = "";
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int rate; /* in deci-Gb/sec */
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ssize_t ret;
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ret = ib_query_port(ibdev, port_num, &attr);
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if (ret)
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return ret;
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switch (attr.active_speed) {
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case IB_SPEED_DDR:
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speed = " DDR";
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rate = 50;
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break;
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case IB_SPEED_QDR:
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speed = " QDR";
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rate = 100;
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break;
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case IB_SPEED_FDR10:
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speed = " FDR10";
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rate = 100;
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break;
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case IB_SPEED_FDR:
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speed = " FDR";
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rate = 140;
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break;
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case IB_SPEED_EDR:
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speed = " EDR";
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rate = 250;
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break;
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case IB_SPEED_HDR:
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speed = " HDR";
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rate = 500;
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break;
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case IB_SPEED_NDR:
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speed = " NDR";
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rate = 1000;
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break;
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case IB_SPEED_SDR:
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default: /* default to SDR for invalid rates */
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speed = " SDR";
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rate = 25;
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break;
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}
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rate *= ib_width_enum_to_int(attr.active_width);
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if (rate < 0)
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return -EINVAL;
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return sysfs_emit(buf, "%d%s Gb/sec (%dX%s)\n", rate / 10,
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rate % 10 ? ".5" : "",
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ib_width_enum_to_int(attr.active_width), speed);
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}
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static const char *phys_state_to_str(enum ib_port_phys_state phys_state)
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{
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static const char *phys_state_str[] = {
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"<unknown>",
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"Sleep",
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"Polling",
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"Disabled",
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"PortConfigurationTraining",
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"LinkUp",
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"LinkErrorRecovery",
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"Phy Test",
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};
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if (phys_state < ARRAY_SIZE(phys_state_str))
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return phys_state_str[phys_state];
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return "<unknown>";
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}
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static ssize_t phys_state_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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struct ib_port_attr attr;
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ssize_t ret;
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ret = ib_query_port(ibdev, port_num, &attr);
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if (ret)
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return ret;
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return sysfs_emit(buf, "%u: %s\n", attr.phys_state,
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phys_state_to_str(attr.phys_state));
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}
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static ssize_t link_layer_show(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *unused, char *buf)
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{
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const char *output;
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switch (rdma_port_get_link_layer(ibdev, port_num)) {
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case IB_LINK_LAYER_INFINIBAND:
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output = "InfiniBand";
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break;
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case IB_LINK_LAYER_ETHERNET:
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output = "Ethernet";
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break;
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default:
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output = "Unknown";
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break;
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}
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return sysfs_emit(buf, "%s\n", output);
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}
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static IB_PORT_ATTR_RO(state);
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static IB_PORT_ATTR_RO(lid);
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static IB_PORT_ATTR_RO(lid_mask_count);
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static IB_PORT_ATTR_RO(sm_lid);
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static IB_PORT_ATTR_RO(sm_sl);
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static IB_PORT_ATTR_RO(cap_mask);
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static IB_PORT_ATTR_RO(rate);
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static IB_PORT_ATTR_RO(phys_state);
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static IB_PORT_ATTR_RO(link_layer);
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static struct attribute *port_default_attrs[] = {
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&ib_port_attr_state.attr,
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&ib_port_attr_lid.attr,
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&ib_port_attr_lid_mask_count.attr,
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&ib_port_attr_sm_lid.attr,
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&ib_port_attr_sm_sl.attr,
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&ib_port_attr_cap_mask.attr,
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&ib_port_attr_rate.attr,
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&ib_port_attr_phys_state.attr,
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&ib_port_attr_link_layer.attr,
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NULL
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};
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ATTRIBUTE_GROUPS(port_default);
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static ssize_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf)
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{
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struct net_device *ndev;
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int ret = -EINVAL;
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rcu_read_lock();
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ndev = rcu_dereference(gid_attr->ndev);
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if (ndev)
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ret = sysfs_emit(buf, "%s\n", ndev->name);
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rcu_read_unlock();
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return ret;
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}
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static ssize_t print_gid_type(const struct ib_gid_attr *gid_attr, char *buf)
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{
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return sysfs_emit(buf, "%s\n",
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ib_cache_gid_type_str(gid_attr->gid_type));
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}
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static ssize_t _show_port_gid_attr(
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struct ib_device *ibdev, u32 port_num, struct ib_port_attribute *attr,
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char *buf,
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ssize_t (*print)(const struct ib_gid_attr *gid_attr, char *buf))
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{
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struct port_table_attribute *tab_attr =
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container_of(attr, struct port_table_attribute, attr);
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const struct ib_gid_attr *gid_attr;
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ssize_t ret;
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gid_attr = rdma_get_gid_attr(ibdev, port_num, tab_attr->index);
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if (IS_ERR(gid_attr))
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/* -EINVAL is returned for user space compatibility reasons. */
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return -EINVAL;
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ret = print(gid_attr, buf);
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rdma_put_gid_attr(gid_attr);
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return ret;
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}
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static ssize_t show_port_gid(struct ib_device *ibdev, u32 port_num,
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struct ib_port_attribute *attr, char *buf)
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{
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struct port_table_attribute *tab_attr =
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container_of(attr, struct port_table_attribute, attr);
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const struct ib_gid_attr *gid_attr;
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int len;
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gid_attr = rdma_get_gid_attr(ibdev, port_num, tab_attr->index);
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if (IS_ERR(gid_attr)) {
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const union ib_gid zgid = {};
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/* If reading GID fails, it is likely due to GID entry being
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* empty (invalid) or reserved GID in the table. User space
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* expects to read GID table entries as long as it given index
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* is within GID table size. Administrative/debugging tool
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* fails to query rest of the GID entries if it hits error
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* while querying a GID of the given index. To avoid user
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* space throwing such error on fail to read gid, return zero
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* GID as before. This maintains backward compatibility.
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*/
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return sysfs_emit(buf, "%pI6\n", zgid.raw);
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}
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len = sysfs_emit(buf, "%pI6\n", gid_attr->gid.raw);
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rdma_put_gid_attr(gid_attr);
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return len;
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}
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|
|
static ssize_t show_port_gid_attr_ndev(struct ib_device *ibdev, u32 port_num,
|
|
struct ib_port_attribute *attr,
|
|
char *buf)
|
|
{
|
|
return _show_port_gid_attr(ibdev, port_num, attr, buf, print_ndev);
|
|
}
|
|
|
|
static ssize_t show_port_gid_attr_gid_type(struct ib_device *ibdev,
|
|
u32 port_num,
|
|
struct ib_port_attribute *attr,
|
|
char *buf)
|
|
{
|
|
return _show_port_gid_attr(ibdev, port_num, attr, buf, print_gid_type);
|
|
}
|
|
|
|
static ssize_t show_port_pkey(struct ib_device *ibdev, u32 port_num,
|
|
struct ib_port_attribute *attr, char *buf)
|
|
{
|
|
struct port_table_attribute *tab_attr =
|
|
container_of(attr, struct port_table_attribute, attr);
|
|
u16 pkey;
|
|
int ret;
|
|
|
|
ret = ib_query_pkey(ibdev, port_num, tab_attr->index, &pkey);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return sysfs_emit(buf, "0x%04x\n", pkey);
|
|
}
|
|
|
|
#define PORT_PMA_ATTR(_name, _counter, _width, _offset) \
|
|
struct port_table_attribute port_pma_attr_##_name = { \
|
|
.attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \
|
|
.index = (_offset) | ((_width) << 16) | ((_counter) << 24), \
|
|
.attr_id = IB_PMA_PORT_COUNTERS, \
|
|
}
|
|
|
|
#define PORT_PMA_ATTR_EXT(_name, _width, _offset) \
|
|
struct port_table_attribute port_pma_attr_ext_##_name = { \
|
|
.attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \
|
|
.index = (_offset) | ((_width) << 16), \
|
|
.attr_id = IB_PMA_PORT_COUNTERS_EXT, \
|
|
}
|
|
|
|
/*
|
|
* Get a Perfmgmt MAD block of data.
|
|
* Returns error code or the number of bytes retrieved.
|
|
*/
|
|
static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr,
|
|
void *data, int offset, size_t size)
|
|
{
|
|
struct ib_mad *in_mad;
|
|
struct ib_mad *out_mad;
|
|
size_t mad_size = sizeof(*out_mad);
|
|
u16 out_mad_pkey_index = 0;
|
|
ssize_t ret;
|
|
|
|
if (!dev->ops.process_mad)
|
|
return -ENOSYS;
|
|
|
|
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
|
|
out_mad = kzalloc(sizeof(*out_mad), GFP_KERNEL);
|
|
if (!in_mad || !out_mad) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
in_mad->mad_hdr.base_version = 1;
|
|
in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT;
|
|
in_mad->mad_hdr.class_version = 1;
|
|
in_mad->mad_hdr.method = IB_MGMT_METHOD_GET;
|
|
in_mad->mad_hdr.attr_id = attr;
|
|
|
|
if (attr != IB_PMA_CLASS_PORT_INFO)
|
|
in_mad->data[41] = port_num; /* PortSelect field */
|
|
|
|
if ((dev->ops.process_mad(dev, IB_MAD_IGNORE_MKEY, port_num, NULL, NULL,
|
|
in_mad, out_mad, &mad_size,
|
|
&out_mad_pkey_index) &
|
|
(IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) !=
|
|
(IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
memcpy(data, out_mad->data + offset, size);
|
|
ret = size;
|
|
out:
|
|
kfree(in_mad);
|
|
kfree(out_mad);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t show_pma_counter(struct ib_device *ibdev, u32 port_num,
|
|
struct ib_port_attribute *attr, char *buf)
|
|
{
|
|
struct port_table_attribute *tab_attr =
|
|
container_of(attr, struct port_table_attribute, attr);
|
|
int offset = tab_attr->index & 0xffff;
|
|
int width = (tab_attr->index >> 16) & 0xff;
|
|
int ret;
|
|
u8 data[8];
|
|
int len;
|
|
|
|
ret = get_perf_mad(ibdev, port_num, tab_attr->attr_id, &data,
|
|
40 + offset / 8, sizeof(data));
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
switch (width) {
|
|
case 4:
|
|
len = sysfs_emit(buf, "%d\n",
|
|
(*data >> (4 - (offset % 8))) & 0xf);
|
|
break;
|
|
case 8:
|
|
len = sysfs_emit(buf, "%u\n", *data);
|
|
break;
|
|
case 16:
|
|
len = sysfs_emit(buf, "%u\n", be16_to_cpup((__be16 *)data));
|
|
break;
|
|
case 32:
|
|
len = sysfs_emit(buf, "%u\n", be32_to_cpup((__be32 *)data));
|
|
break;
|
|
case 64:
|
|
len = sysfs_emit(buf, "%llu\n", be64_to_cpup((__be64 *)data));
|
|
break;
|
|
default:
|
|
len = 0;
|
|
break;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
static PORT_PMA_ATTR(symbol_error , 0, 16, 32);
|
|
static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48);
|
|
static PORT_PMA_ATTR(link_downed , 2, 8, 56);
|
|
static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64);
|
|
static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80);
|
|
static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96);
|
|
static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112);
|
|
static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128);
|
|
static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136);
|
|
static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152);
|
|
static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156);
|
|
static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176);
|
|
static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192);
|
|
static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224);
|
|
static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256);
|
|
static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288);
|
|
static PORT_PMA_ATTR(port_xmit_wait , 0, 32, 320);
|
|
|
|
/*
|
|
* Counters added by extended set
|
|
*/
|
|
static PORT_PMA_ATTR_EXT(port_xmit_data , 64, 64);
|
|
static PORT_PMA_ATTR_EXT(port_rcv_data , 64, 128);
|
|
static PORT_PMA_ATTR_EXT(port_xmit_packets , 64, 192);
|
|
static PORT_PMA_ATTR_EXT(port_rcv_packets , 64, 256);
|
|
static PORT_PMA_ATTR_EXT(unicast_xmit_packets , 64, 320);
|
|
static PORT_PMA_ATTR_EXT(unicast_rcv_packets , 64, 384);
|
|
static PORT_PMA_ATTR_EXT(multicast_xmit_packets , 64, 448);
|
|
static PORT_PMA_ATTR_EXT(multicast_rcv_packets , 64, 512);
|
|
|
|
static struct attribute *pma_attrs[] = {
|
|
&port_pma_attr_symbol_error.attr.attr,
|
|
&port_pma_attr_link_error_recovery.attr.attr,
|
|
&port_pma_attr_link_downed.attr.attr,
|
|
&port_pma_attr_port_rcv_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
|
|
&port_pma_attr_port_xmit_discards.attr.attr,
|
|
&port_pma_attr_port_xmit_constraint_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_constraint_errors.attr.attr,
|
|
&port_pma_attr_local_link_integrity_errors.attr.attr,
|
|
&port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
|
|
&port_pma_attr_VL15_dropped.attr.attr,
|
|
&port_pma_attr_port_xmit_data.attr.attr,
|
|
&port_pma_attr_port_rcv_data.attr.attr,
|
|
&port_pma_attr_port_xmit_packets.attr.attr,
|
|
&port_pma_attr_port_rcv_packets.attr.attr,
|
|
&port_pma_attr_port_xmit_wait.attr.attr,
|
|
NULL
|
|
};
|
|
|
|
static struct attribute *pma_attrs_ext[] = {
|
|
&port_pma_attr_symbol_error.attr.attr,
|
|
&port_pma_attr_link_error_recovery.attr.attr,
|
|
&port_pma_attr_link_downed.attr.attr,
|
|
&port_pma_attr_port_rcv_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
|
|
&port_pma_attr_port_xmit_discards.attr.attr,
|
|
&port_pma_attr_port_xmit_constraint_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_constraint_errors.attr.attr,
|
|
&port_pma_attr_local_link_integrity_errors.attr.attr,
|
|
&port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
|
|
&port_pma_attr_VL15_dropped.attr.attr,
|
|
&port_pma_attr_ext_port_xmit_data.attr.attr,
|
|
&port_pma_attr_ext_port_rcv_data.attr.attr,
|
|
&port_pma_attr_ext_port_xmit_packets.attr.attr,
|
|
&port_pma_attr_port_xmit_wait.attr.attr,
|
|
&port_pma_attr_ext_port_rcv_packets.attr.attr,
|
|
&port_pma_attr_ext_unicast_rcv_packets.attr.attr,
|
|
&port_pma_attr_ext_unicast_xmit_packets.attr.attr,
|
|
&port_pma_attr_ext_multicast_rcv_packets.attr.attr,
|
|
&port_pma_attr_ext_multicast_xmit_packets.attr.attr,
|
|
NULL
|
|
};
|
|
|
|
static struct attribute *pma_attrs_noietf[] = {
|
|
&port_pma_attr_symbol_error.attr.attr,
|
|
&port_pma_attr_link_error_recovery.attr.attr,
|
|
&port_pma_attr_link_downed.attr.attr,
|
|
&port_pma_attr_port_rcv_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
|
|
&port_pma_attr_port_xmit_discards.attr.attr,
|
|
&port_pma_attr_port_xmit_constraint_errors.attr.attr,
|
|
&port_pma_attr_port_rcv_constraint_errors.attr.attr,
|
|
&port_pma_attr_local_link_integrity_errors.attr.attr,
|
|
&port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
|
|
&port_pma_attr_VL15_dropped.attr.attr,
|
|
&port_pma_attr_ext_port_xmit_data.attr.attr,
|
|
&port_pma_attr_ext_port_rcv_data.attr.attr,
|
|
&port_pma_attr_ext_port_xmit_packets.attr.attr,
|
|
&port_pma_attr_ext_port_rcv_packets.attr.attr,
|
|
&port_pma_attr_port_xmit_wait.attr.attr,
|
|
NULL
|
|
};
|
|
|
|
static const struct attribute_group pma_group = {
|
|
.name = "counters",
|
|
.attrs = pma_attrs
|
|
};
|
|
|
|
static const struct attribute_group pma_group_ext = {
|
|
.name = "counters",
|
|
.attrs = pma_attrs_ext
|
|
};
|
|
|
|
static const struct attribute_group pma_group_noietf = {
|
|
.name = "counters",
|
|
.attrs = pma_attrs_noietf
|
|
};
|
|
|
|
static void ib_port_release(struct kobject *kobj)
|
|
{
|
|
struct ib_port *port = container_of(kobj, struct ib_port, kobj);
|
|
int i;
|
|
|
|
for (i = 0; i != ARRAY_SIZE(port->groups); i++)
|
|
kfree(port->groups[i].attrs);
|
|
if (port->hw_stats_data)
|
|
rdma_free_hw_stats_struct(port->hw_stats_data->stats);
|
|
kfree(port->hw_stats_data);
|
|
kvfree(port);
|
|
}
|
|
|
|
static void ib_port_gid_attr_release(struct kobject *kobj)
|
|
{
|
|
struct gid_attr_group *gid_attr_group =
|
|
container_of(kobj, struct gid_attr_group, kobj);
|
|
int i;
|
|
|
|
for (i = 0; i != ARRAY_SIZE(gid_attr_group->groups); i++)
|
|
kfree(gid_attr_group->groups[i].attrs);
|
|
kfree(gid_attr_group);
|
|
}
|
|
|
|
static struct kobj_type port_type = {
|
|
.release = ib_port_release,
|
|
.sysfs_ops = &port_sysfs_ops,
|
|
.default_groups = port_default_groups,
|
|
};
|
|
|
|
static struct kobj_type gid_attr_type = {
|
|
.sysfs_ops = &gid_attr_sysfs_ops,
|
|
.release = ib_port_gid_attr_release
|
|
};
|
|
|
|
/*
|
|
* Figure out which counter table to use depending on
|
|
* the device capabilities.
|
|
*/
|
|
static const struct attribute_group *get_counter_table(struct ib_device *dev,
|
|
int port_num)
|
|
{
|
|
struct ib_class_port_info cpi;
|
|
|
|
if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO,
|
|
&cpi, 40, sizeof(cpi)) >= 0) {
|
|
if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH)
|
|
/* We have extended counters */
|
|
return &pma_group_ext;
|
|
|
|
if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF)
|
|
/* But not the IETF ones */
|
|
return &pma_group_noietf;
|
|
}
|
|
|
|
/* Fall back to normal counters */
|
|
return &pma_group;
|
|
}
|
|
|
|
static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats,
|
|
u32 port_num, int index)
|
|
{
|
|
int ret;
|
|
|
|
if (time_is_after_eq_jiffies(stats->timestamp + stats->lifespan))
|
|
return 0;
|
|
ret = dev->ops.get_hw_stats(dev, stats, port_num, index);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (ret == stats->num_counters)
|
|
stats->timestamp = jiffies;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int print_hw_stat(struct ib_device *dev, int port_num,
|
|
struct rdma_hw_stats *stats, int index, char *buf)
|
|
{
|
|
u64 v = rdma_counter_get_hwstat_value(dev, port_num, index);
|
|
|
|
return sysfs_emit(buf, "%llu\n", stats->value[index] + v);
|
|
}
|
|
|
|
static ssize_t show_hw_stats(struct ib_device *ibdev,
|
|
struct rdma_hw_stats *stats, unsigned int index,
|
|
unsigned int port_num, char *buf)
|
|
{
|
|
int ret;
|
|
|
|
mutex_lock(&stats->lock);
|
|
ret = update_hw_stats(ibdev, stats, port_num, index);
|
|
if (ret)
|
|
goto unlock;
|
|
ret = print_hw_stat(ibdev, port_num, stats, index, buf);
|
|
unlock:
|
|
mutex_unlock(&stats->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t show_stats_lifespan(struct ib_device *ibdev,
|
|
struct rdma_hw_stats *stats,
|
|
unsigned int index, unsigned int port_num,
|
|
char *buf)
|
|
{
|
|
int msecs;
|
|
|
|
mutex_lock(&stats->lock);
|
|
msecs = jiffies_to_msecs(stats->lifespan);
|
|
mutex_unlock(&stats->lock);
|
|
|
|
return sysfs_emit(buf, "%d\n", msecs);
|
|
}
|
|
|
|
static ssize_t set_stats_lifespan(struct ib_device *ibdev,
|
|
struct rdma_hw_stats *stats,
|
|
unsigned int index, unsigned int port_num,
|
|
const char *buf, size_t count)
|
|
{
|
|
int msecs;
|
|
int jiffies;
|
|
int ret;
|
|
|
|
ret = kstrtoint(buf, 10, &msecs);
|
|
if (ret)
|
|
return ret;
|
|
if (msecs < 0 || msecs > 10000)
|
|
return -EINVAL;
|
|
jiffies = msecs_to_jiffies(msecs);
|
|
|
|
mutex_lock(&stats->lock);
|
|
stats->lifespan = jiffies;
|
|
mutex_unlock(&stats->lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
static struct hw_stats_device_data *
|
|
alloc_hw_stats_device(struct ib_device *ibdev)
|
|
{
|
|
struct hw_stats_device_data *data;
|
|
struct rdma_hw_stats *stats;
|
|
|
|
if (!ibdev->ops.alloc_hw_device_stats)
|
|
return ERR_PTR(-EOPNOTSUPP);
|
|
stats = ibdev->ops.alloc_hw_device_stats(ibdev);
|
|
if (!stats)
|
|
return ERR_PTR(-ENOMEM);
|
|
if (!stats->descs || stats->num_counters <= 0)
|
|
goto err_free_stats;
|
|
|
|
/*
|
|
* Two extra attribue elements here, one for the lifespan entry and
|
|
* one to NULL terminate the list for the sysfs core code
|
|
*/
|
|
data = kzalloc(struct_size(data, attrs, size_add(stats->num_counters, 1)),
|
|
GFP_KERNEL);
|
|
if (!data)
|
|
goto err_free_stats;
|
|
data->group.attrs = kcalloc(stats->num_counters + 2,
|
|
sizeof(*data->group.attrs), GFP_KERNEL);
|
|
if (!data->group.attrs)
|
|
goto err_free_data;
|
|
|
|
data->group.name = "hw_counters";
|
|
data->stats = stats;
|
|
return data;
|
|
|
|
err_free_data:
|
|
kfree(data);
|
|
err_free_stats:
|
|
rdma_free_hw_stats_struct(stats);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
void ib_device_release_hw_stats(struct hw_stats_device_data *data)
|
|
{
|
|
kfree(data->group.attrs);
|
|
rdma_free_hw_stats_struct(data->stats);
|
|
kfree(data);
|
|
}
|
|
|
|
int ib_setup_device_attrs(struct ib_device *ibdev)
|
|
{
|
|
struct hw_stats_device_attribute *attr;
|
|
struct hw_stats_device_data *data;
|
|
bool opstat_skipped = false;
|
|
int i, ret, pos = 0;
|
|
|
|
data = alloc_hw_stats_device(ibdev);
|
|
if (IS_ERR(data)) {
|
|
if (PTR_ERR(data) == -EOPNOTSUPP)
|
|
return 0;
|
|
return PTR_ERR(data);
|
|
}
|
|
ibdev->hw_stats_data = data;
|
|
|
|
ret = ibdev->ops.get_hw_stats(ibdev, data->stats, 0,
|
|
data->stats->num_counters);
|
|
if (ret != data->stats->num_counters) {
|
|
if (WARN_ON(ret >= 0))
|
|
return -EINVAL;
|
|
return ret;
|
|
}
|
|
|
|
data->stats->timestamp = jiffies;
|
|
|
|
for (i = 0; i < data->stats->num_counters; i++) {
|
|
if (data->stats->descs[i].flags & IB_STAT_FLAG_OPTIONAL) {
|
|
opstat_skipped = true;
|
|
continue;
|
|
}
|
|
|
|
WARN_ON(opstat_skipped);
|
|
attr = &data->attrs[pos];
|
|
sysfs_attr_init(&attr->attr.attr);
|
|
attr->attr.attr.name = data->stats->descs[i].name;
|
|
attr->attr.attr.mode = 0444;
|
|
attr->attr.show = hw_stat_device_show;
|
|
attr->show = show_hw_stats;
|
|
data->group.attrs[pos] = &attr->attr.attr;
|
|
pos++;
|
|
}
|
|
|
|
attr = &data->attrs[pos];
|
|
sysfs_attr_init(&attr->attr.attr);
|
|
attr->attr.attr.name = "lifespan";
|
|
attr->attr.attr.mode = 0644;
|
|
attr->attr.show = hw_stat_device_show;
|
|
attr->show = show_stats_lifespan;
|
|
attr->attr.store = hw_stat_device_store;
|
|
attr->store = set_stats_lifespan;
|
|
data->group.attrs[pos] = &attr->attr.attr;
|
|
for (i = 0; i != ARRAY_SIZE(ibdev->groups); i++)
|
|
if (!ibdev->groups[i]) {
|
|
ibdev->groups[i] = &data->group;
|
|
return 0;
|
|
}
|
|
WARN(true, "struct ib_device->groups is too small");
|
|
return -EINVAL;
|
|
}
|
|
|
|
static struct hw_stats_port_data *
|
|
alloc_hw_stats_port(struct ib_port *port, struct attribute_group *group)
|
|
{
|
|
struct ib_device *ibdev = port->ibdev;
|
|
struct hw_stats_port_data *data;
|
|
struct rdma_hw_stats *stats;
|
|
|
|
if (!ibdev->ops.alloc_hw_port_stats)
|
|
return ERR_PTR(-EOPNOTSUPP);
|
|
stats = ibdev->ops.alloc_hw_port_stats(port->ibdev, port->port_num);
|
|
if (!stats)
|
|
return ERR_PTR(-ENOMEM);
|
|
if (!stats->descs || stats->num_counters <= 0)
|
|
goto err_free_stats;
|
|
|
|
/*
|
|
* Two extra attribue elements here, one for the lifespan entry and
|
|
* one to NULL terminate the list for the sysfs core code
|
|
*/
|
|
data = kzalloc(struct_size(data, attrs, size_add(stats->num_counters, 1)),
|
|
GFP_KERNEL);
|
|
if (!data)
|
|
goto err_free_stats;
|
|
group->attrs = kcalloc(stats->num_counters + 2,
|
|
sizeof(*group->attrs), GFP_KERNEL);
|
|
if (!group->attrs)
|
|
goto err_free_data;
|
|
|
|
group->name = "hw_counters";
|
|
data->stats = stats;
|
|
return data;
|
|
|
|
err_free_data:
|
|
kfree(data);
|
|
err_free_stats:
|
|
rdma_free_hw_stats_struct(stats);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
static int setup_hw_port_stats(struct ib_port *port,
|
|
struct attribute_group *group)
|
|
{
|
|
struct hw_stats_port_attribute *attr;
|
|
struct hw_stats_port_data *data;
|
|
bool opstat_skipped = false;
|
|
int i, ret, pos = 0;
|
|
|
|
data = alloc_hw_stats_port(port, group);
|
|
if (IS_ERR(data))
|
|
return PTR_ERR(data);
|
|
|
|
ret = port->ibdev->ops.get_hw_stats(port->ibdev, data->stats,
|
|
port->port_num,
|
|
data->stats->num_counters);
|
|
if (ret != data->stats->num_counters) {
|
|
if (WARN_ON(ret >= 0))
|
|
return -EINVAL;
|
|
return ret;
|
|
}
|
|
|
|
data->stats->timestamp = jiffies;
|
|
|
|
for (i = 0; i < data->stats->num_counters; i++) {
|
|
if (data->stats->descs[i].flags & IB_STAT_FLAG_OPTIONAL) {
|
|
opstat_skipped = true;
|
|
continue;
|
|
}
|
|
|
|
WARN_ON(opstat_skipped);
|
|
attr = &data->attrs[pos];
|
|
sysfs_attr_init(&attr->attr.attr);
|
|
attr->attr.attr.name = data->stats->descs[i].name;
|
|
attr->attr.attr.mode = 0444;
|
|
attr->attr.show = hw_stat_port_show;
|
|
attr->show = show_hw_stats;
|
|
group->attrs[pos] = &attr->attr.attr;
|
|
pos++;
|
|
}
|
|
|
|
attr = &data->attrs[pos];
|
|
sysfs_attr_init(&attr->attr.attr);
|
|
attr->attr.attr.name = "lifespan";
|
|
attr->attr.attr.mode = 0644;
|
|
attr->attr.show = hw_stat_port_show;
|
|
attr->show = show_stats_lifespan;
|
|
attr->attr.store = hw_stat_port_store;
|
|
attr->store = set_stats_lifespan;
|
|
group->attrs[pos] = &attr->attr.attr;
|
|
|
|
port->hw_stats_data = data;
|
|
return 0;
|
|
}
|
|
|
|
struct rdma_hw_stats *ib_get_hw_stats_port(struct ib_device *ibdev,
|
|
u32 port_num)
|
|
{
|
|
if (!ibdev->port_data || !rdma_is_port_valid(ibdev, port_num) ||
|
|
!ibdev->port_data[port_num].sysfs->hw_stats_data)
|
|
return NULL;
|
|
return ibdev->port_data[port_num].sysfs->hw_stats_data->stats;
|
|
}
|
|
|
|
static int
|
|
alloc_port_table_group(const char *name, struct attribute_group *group,
|
|
struct port_table_attribute *attrs, size_t num,
|
|
ssize_t (*show)(struct ib_device *ibdev, u32 port_num,
|
|
struct ib_port_attribute *, char *buf))
|
|
{
|
|
struct attribute **attr_list;
|
|
int i;
|
|
|
|
attr_list = kcalloc(num + 1, sizeof(*attr_list), GFP_KERNEL);
|
|
if (!attr_list)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < num; i++) {
|
|
struct port_table_attribute *element = &attrs[i];
|
|
|
|
if (snprintf(element->name, sizeof(element->name), "%d", i) >=
|
|
sizeof(element->name))
|
|
goto err;
|
|
|
|
sysfs_attr_init(&element->attr.attr);
|
|
element->attr.attr.name = element->name;
|
|
element->attr.attr.mode = 0444;
|
|
element->attr.show = show;
|
|
element->index = i;
|
|
|
|
attr_list[i] = &element->attr.attr;
|
|
}
|
|
group->name = name;
|
|
group->attrs = attr_list;
|
|
return 0;
|
|
err:
|
|
kfree(attr_list);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/*
|
|
* Create the sysfs:
|
|
* ibp0s9/ports/XX/gid_attrs/{ndevs,types}/YYY
|
|
* YYY is the gid table index in decimal
|
|
*/
|
|
static int setup_gid_attrs(struct ib_port *port,
|
|
const struct ib_port_attr *attr)
|
|
{
|
|
struct gid_attr_group *gid_attr_group;
|
|
int ret;
|
|
|
|
gid_attr_group = kzalloc(struct_size(gid_attr_group, attrs_list,
|
|
size_mul(attr->gid_tbl_len, 2)),
|
|
GFP_KERNEL);
|
|
if (!gid_attr_group)
|
|
return -ENOMEM;
|
|
gid_attr_group->port = port;
|
|
kobject_init(&gid_attr_group->kobj, &gid_attr_type);
|
|
|
|
ret = alloc_port_table_group("ndevs", &gid_attr_group->groups[0],
|
|
gid_attr_group->attrs_list,
|
|
attr->gid_tbl_len,
|
|
show_port_gid_attr_ndev);
|
|
if (ret)
|
|
goto err_put;
|
|
gid_attr_group->groups_list[0] = &gid_attr_group->groups[0];
|
|
|
|
ret = alloc_port_table_group(
|
|
"types", &gid_attr_group->groups[1],
|
|
gid_attr_group->attrs_list + attr->gid_tbl_len,
|
|
attr->gid_tbl_len, show_port_gid_attr_gid_type);
|
|
if (ret)
|
|
goto err_put;
|
|
gid_attr_group->groups_list[1] = &gid_attr_group->groups[1];
|
|
|
|
ret = kobject_add(&gid_attr_group->kobj, &port->kobj, "gid_attrs");
|
|
if (ret)
|
|
goto err_put;
|
|
ret = sysfs_create_groups(&gid_attr_group->kobj,
|
|
gid_attr_group->groups_list);
|
|
if (ret)
|
|
goto err_del;
|
|
port->gid_attr_group = gid_attr_group;
|
|
return 0;
|
|
|
|
err_del:
|
|
kobject_del(&gid_attr_group->kobj);
|
|
err_put:
|
|
kobject_put(&gid_attr_group->kobj);
|
|
return ret;
|
|
}
|
|
|
|
static void destroy_gid_attrs(struct ib_port *port)
|
|
{
|
|
struct gid_attr_group *gid_attr_group = port->gid_attr_group;
|
|
|
|
if (!gid_attr_group)
|
|
return;
|
|
sysfs_remove_groups(&gid_attr_group->kobj, gid_attr_group->groups_list);
|
|
kobject_del(&gid_attr_group->kobj);
|
|
kobject_put(&gid_attr_group->kobj);
|
|
}
|
|
|
|
/*
|
|
* Create the sysfs:
|
|
* ibp0s9/ports/XX/{gids,pkeys,counters}/YYY
|
|
*/
|
|
static struct ib_port *setup_port(struct ib_core_device *coredev, int port_num,
|
|
const struct ib_port_attr *attr)
|
|
{
|
|
struct ib_device *device = rdma_device_to_ibdev(&coredev->dev);
|
|
bool is_full_dev = &device->coredev == coredev;
|
|
const struct attribute_group **cur_group;
|
|
struct ib_port *p;
|
|
int ret;
|
|
|
|
p = kvzalloc(struct_size(p, attrs_list,
|
|
size_add(attr->gid_tbl_len, attr->pkey_tbl_len)),
|
|
GFP_KERNEL);
|
|
if (!p)
|
|
return ERR_PTR(-ENOMEM);
|
|
p->ibdev = device;
|
|
p->port_num = port_num;
|
|
kobject_init(&p->kobj, &port_type);
|
|
|
|
if (device->port_data && is_full_dev)
|
|
device->port_data[port_num].sysfs = p;
|
|
|
|
cur_group = p->groups_list;
|
|
ret = alloc_port_table_group("gids", &p->groups[0], p->attrs_list,
|
|
attr->gid_tbl_len, show_port_gid);
|
|
if (ret)
|
|
goto err_put;
|
|
*cur_group++ = &p->groups[0];
|
|
|
|
if (attr->pkey_tbl_len) {
|
|
ret = alloc_port_table_group("pkeys", &p->groups[1],
|
|
p->attrs_list + attr->gid_tbl_len,
|
|
attr->pkey_tbl_len, show_port_pkey);
|
|
if (ret)
|
|
goto err_put;
|
|
*cur_group++ = &p->groups[1];
|
|
}
|
|
|
|
/*
|
|
* If port == 0, it means hw_counters are per device and not per
|
|
* port, so holder should be device. Therefore skip per port
|
|
* counter initialization.
|
|
*/
|
|
if (port_num && is_full_dev) {
|
|
ret = setup_hw_port_stats(p, &p->groups[2]);
|
|
if (ret && ret != -EOPNOTSUPP)
|
|
goto err_put;
|
|
if (!ret)
|
|
*cur_group++ = &p->groups[2];
|
|
}
|
|
|
|
if (device->ops.process_mad && is_full_dev)
|
|
*cur_group++ = get_counter_table(device, port_num);
|
|
|
|
ret = kobject_add(&p->kobj, coredev->ports_kobj, "%d", port_num);
|
|
if (ret)
|
|
goto err_put;
|
|
ret = sysfs_create_groups(&p->kobj, p->groups_list);
|
|
if (ret)
|
|
goto err_del;
|
|
if (is_full_dev) {
|
|
ret = sysfs_create_groups(&p->kobj, device->ops.port_groups);
|
|
if (ret)
|
|
goto err_groups;
|
|
}
|
|
|
|
list_add_tail(&p->kobj.entry, &coredev->port_list);
|
|
return p;
|
|
|
|
err_groups:
|
|
sysfs_remove_groups(&p->kobj, p->groups_list);
|
|
err_del:
|
|
kobject_del(&p->kobj);
|
|
err_put:
|
|
if (device->port_data && is_full_dev)
|
|
device->port_data[port_num].sysfs = NULL;
|
|
kobject_put(&p->kobj);
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
static void destroy_port(struct ib_core_device *coredev, struct ib_port *port)
|
|
{
|
|
bool is_full_dev = &port->ibdev->coredev == coredev;
|
|
|
|
list_del(&port->kobj.entry);
|
|
if (is_full_dev)
|
|
sysfs_remove_groups(&port->kobj, port->ibdev->ops.port_groups);
|
|
|
|
sysfs_remove_groups(&port->kobj, port->groups_list);
|
|
kobject_del(&port->kobj);
|
|
|
|
if (port->ibdev->port_data &&
|
|
port->ibdev->port_data[port->port_num].sysfs == port)
|
|
port->ibdev->port_data[port->port_num].sysfs = NULL;
|
|
|
|
kobject_put(&port->kobj);
|
|
}
|
|
|
|
static const char *node_type_string(int node_type)
|
|
{
|
|
switch (node_type) {
|
|
case RDMA_NODE_IB_CA:
|
|
return "CA";
|
|
case RDMA_NODE_IB_SWITCH:
|
|
return "switch";
|
|
case RDMA_NODE_IB_ROUTER:
|
|
return "router";
|
|
case RDMA_NODE_RNIC:
|
|
return "RNIC";
|
|
case RDMA_NODE_USNIC:
|
|
return "usNIC";
|
|
case RDMA_NODE_USNIC_UDP:
|
|
return "usNIC UDP";
|
|
case RDMA_NODE_UNSPECIFIED:
|
|
return "unspecified";
|
|
}
|
|
return "<unknown>";
|
|
}
|
|
|
|
static ssize_t node_type_show(struct device *device,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct ib_device *dev = rdma_device_to_ibdev(device);
|
|
|
|
return sysfs_emit(buf, "%u: %s\n", dev->node_type,
|
|
node_type_string(dev->node_type));
|
|
}
|
|
static DEVICE_ATTR_RO(node_type);
|
|
|
|
static ssize_t sys_image_guid_show(struct device *device,
|
|
struct device_attribute *dev_attr, char *buf)
|
|
{
|
|
struct ib_device *dev = rdma_device_to_ibdev(device);
|
|
__be16 *guid = (__be16 *)&dev->attrs.sys_image_guid;
|
|
|
|
return sysfs_emit(buf, "%04x:%04x:%04x:%04x\n",
|
|
be16_to_cpu(guid[0]),
|
|
be16_to_cpu(guid[1]),
|
|
be16_to_cpu(guid[2]),
|
|
be16_to_cpu(guid[3]));
|
|
}
|
|
static DEVICE_ATTR_RO(sys_image_guid);
|
|
|
|
static ssize_t node_guid_show(struct device *device,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct ib_device *dev = rdma_device_to_ibdev(device);
|
|
__be16 *node_guid = (__be16 *)&dev->node_guid;
|
|
|
|
return sysfs_emit(buf, "%04x:%04x:%04x:%04x\n",
|
|
be16_to_cpu(node_guid[0]),
|
|
be16_to_cpu(node_guid[1]),
|
|
be16_to_cpu(node_guid[2]),
|
|
be16_to_cpu(node_guid[3]));
|
|
}
|
|
static DEVICE_ATTR_RO(node_guid);
|
|
|
|
static ssize_t node_desc_show(struct device *device,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct ib_device *dev = rdma_device_to_ibdev(device);
|
|
|
|
return sysfs_emit(buf, "%.64s\n", dev->node_desc);
|
|
}
|
|
|
|
static ssize_t node_desc_store(struct device *device,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct ib_device *dev = rdma_device_to_ibdev(device);
|
|
struct ib_device_modify desc = {};
|
|
int ret;
|
|
|
|
if (!dev->ops.modify_device)
|
|
return -EOPNOTSUPP;
|
|
|
|
memcpy(desc.node_desc, buf, min_t(int, count, IB_DEVICE_NODE_DESC_MAX));
|
|
ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR_RW(node_desc);
|
|
|
|
static ssize_t fw_ver_show(struct device *device, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct ib_device *dev = rdma_device_to_ibdev(device);
|
|
char version[IB_FW_VERSION_NAME_MAX] = {};
|
|
|
|
ib_get_device_fw_str(dev, version);
|
|
|
|
return sysfs_emit(buf, "%s\n", version);
|
|
}
|
|
static DEVICE_ATTR_RO(fw_ver);
|
|
|
|
static struct attribute *ib_dev_attrs[] = {
|
|
&dev_attr_node_type.attr,
|
|
&dev_attr_node_guid.attr,
|
|
&dev_attr_sys_image_guid.attr,
|
|
&dev_attr_fw_ver.attr,
|
|
&dev_attr_node_desc.attr,
|
|
NULL,
|
|
};
|
|
|
|
const struct attribute_group ib_dev_attr_group = {
|
|
.attrs = ib_dev_attrs,
|
|
};
|
|
|
|
void ib_free_port_attrs(struct ib_core_device *coredev)
|
|
{
|
|
struct kobject *p, *t;
|
|
|
|
list_for_each_entry_safe(p, t, &coredev->port_list, entry) {
|
|
struct ib_port *port = container_of(p, struct ib_port, kobj);
|
|
|
|
destroy_gid_attrs(port);
|
|
destroy_port(coredev, port);
|
|
}
|
|
|
|
kobject_put(coredev->ports_kobj);
|
|
}
|
|
|
|
int ib_setup_port_attrs(struct ib_core_device *coredev)
|
|
{
|
|
struct ib_device *device = rdma_device_to_ibdev(&coredev->dev);
|
|
u32 port_num;
|
|
int ret;
|
|
|
|
coredev->ports_kobj = kobject_create_and_add("ports",
|
|
&coredev->dev.kobj);
|
|
if (!coredev->ports_kobj)
|
|
return -ENOMEM;
|
|
|
|
rdma_for_each_port (device, port_num) {
|
|
struct ib_port_attr attr;
|
|
struct ib_port *port;
|
|
|
|
ret = ib_query_port(device, port_num, &attr);
|
|
if (ret)
|
|
goto err_put;
|
|
|
|
port = setup_port(coredev, port_num, &attr);
|
|
if (IS_ERR(port)) {
|
|
ret = PTR_ERR(port);
|
|
goto err_put;
|
|
}
|
|
|
|
ret = setup_gid_attrs(port, &attr);
|
|
if (ret)
|
|
goto err_put;
|
|
}
|
|
return 0;
|
|
|
|
err_put:
|
|
ib_free_port_attrs(coredev);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ib_port_register_client_groups - Add an ib_client's attributes to the port
|
|
*
|
|
* @ibdev: IB device to add counters
|
|
* @port_num: valid port number
|
|
* @groups: Group list of attributes
|
|
*
|
|
* Do not use. Only for legacy sysfs compatibility.
|
|
*/
|
|
int ib_port_register_client_groups(struct ib_device *ibdev, u32 port_num,
|
|
const struct attribute_group **groups)
|
|
{
|
|
return sysfs_create_groups(&ibdev->port_data[port_num].sysfs->kobj,
|
|
groups);
|
|
}
|
|
EXPORT_SYMBOL(ib_port_register_client_groups);
|
|
|
|
void ib_port_unregister_client_groups(struct ib_device *ibdev, u32 port_num,
|
|
const struct attribute_group **groups)
|
|
{
|
|
return sysfs_remove_groups(&ibdev->port_data[port_num].sysfs->kobj,
|
|
groups);
|
|
}
|
|
EXPORT_SYMBOL(ib_port_unregister_client_groups);
|