linux/drivers/infiniband/hw/bnxt_re/hw_counters.c

115 lines
4.1 KiB
C

/*
* Broadcom NetXtreme-E RoCE driver.
*
* Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
* Broadcom refers to Broadcom Limited and/or its subsidiaries.
*
* 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
* BSD license below:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Description: Statistics
*
*/
#include <linux/interrupt.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/prefetch.h>
#include <linux/delay.h>
#include <rdma/ib_addr.h>
#include "bnxt_ulp.h"
#include "roce_hsi.h"
#include "qplib_res.h"
#include "qplib_sp.h"
#include "qplib_fp.h"
#include "qplib_rcfw.h"
#include "bnxt_re.h"
#include "hw_counters.h"
static const char * const bnxt_re_stat_name[] = {
[BNXT_RE_ACTIVE_QP] = "active_qps",
[BNXT_RE_ACTIVE_SRQ] = "active_srqs",
[BNXT_RE_ACTIVE_CQ] = "active_cqs",
[BNXT_RE_ACTIVE_MR] = "active_mrs",
[BNXT_RE_ACTIVE_MW] = "active_mws",
[BNXT_RE_RX_PKTS] = "rx_pkts",
[BNXT_RE_RX_BYTES] = "rx_bytes",
[BNXT_RE_TX_PKTS] = "tx_pkts",
[BNXT_RE_TX_BYTES] = "tx_bytes",
[BNXT_RE_RECOVERABLE_ERRORS] = "recoverable_errors"
};
int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev,
struct rdma_hw_stats *stats,
u8 port, int index)
{
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
struct ctx_hw_stats *bnxt_re_stats = rdev->qplib_ctx.stats.dma;
if (!port || !stats)
return -EINVAL;
stats->value[BNXT_RE_ACTIVE_QP] = atomic_read(&rdev->qp_count);
stats->value[BNXT_RE_ACTIVE_SRQ] = atomic_read(&rdev->srq_count);
stats->value[BNXT_RE_ACTIVE_CQ] = atomic_read(&rdev->cq_count);
stats->value[BNXT_RE_ACTIVE_MR] = atomic_read(&rdev->mr_count);
stats->value[BNXT_RE_ACTIVE_MW] = atomic_read(&rdev->mw_count);
if (bnxt_re_stats) {
stats->value[BNXT_RE_RECOVERABLE_ERRORS] =
le64_to_cpu(bnxt_re_stats->tx_bcast_pkts);
stats->value[BNXT_RE_RX_PKTS] =
le64_to_cpu(bnxt_re_stats->rx_ucast_pkts);
stats->value[BNXT_RE_RX_BYTES] =
le64_to_cpu(bnxt_re_stats->rx_ucast_bytes);
stats->value[BNXT_RE_TX_PKTS] =
le64_to_cpu(bnxt_re_stats->tx_ucast_pkts);
stats->value[BNXT_RE_TX_BYTES] =
le64_to_cpu(bnxt_re_stats->tx_ucast_bytes);
}
return ARRAY_SIZE(bnxt_re_stat_name);
}
struct rdma_hw_stats *bnxt_re_ib_alloc_hw_stats(struct ib_device *ibdev,
u8 port_num)
{
BUILD_BUG_ON(ARRAY_SIZE(bnxt_re_stat_name) != BNXT_RE_NUM_COUNTERS);
/* We support only per port stats */
if (!port_num)
return NULL;
return rdma_alloc_hw_stats_struct(bnxt_re_stat_name,
ARRAY_SIZE(bnxt_re_stat_name),
RDMA_HW_STATS_DEFAULT_LIFESPAN);
}