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RDMA/bnxt_re: Implement the alloc/get_hw_stats callback 

Expose HW counters using the get_hw_stats callback

Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Somnath Kotur 2017-08-02 01:46:19 -07:00 committed by Doug Ledford
parent 6a5df91baf
commit 225937d6cc
4 changed files with 181 additions and 1 deletions
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2
drivers/infiniband/hw/bnxt_re/Makefile
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@ -3,4 +3,4 @@ ccflags-y := -Idrivers/net/ethernet/broadcom/bnxt
obj-$(CONFIG_INFINIBAND_BNXT_RE) += bnxt_re.o
bnxt_re-y := main.o ib_verbs.o \
qplib_res.o qplib_rcfw.o \
qplib_sp.o qplib_fp.o
qplib_sp.o qplib_fp.o hw_counters.o

114
drivers/infiniband/hw/bnxt_re/hw_counters.c Normal file
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@ -0,0 +1,114 @@
/*
* 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);
}

62
drivers/infiniband/hw/bnxt_re/hw_counters.h Normal file
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@ -0,0 +1,62 @@
/*
* 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 (header)
*
*/
#ifndef __BNXT_RE_HW_STATS_H__
#define __BNXT_RE_HW_STATS_H__
enum bnxt_re_hw_stats {
BNXT_RE_ACTIVE_QP,
BNXT_RE_ACTIVE_SRQ,
BNXT_RE_ACTIVE_CQ,
BNXT_RE_ACTIVE_MR,
BNXT_RE_ACTIVE_MW,
BNXT_RE_RX_PKTS,
BNXT_RE_RX_BYTES,
BNXT_RE_TX_PKTS,
BNXT_RE_TX_BYTES,
BNXT_RE_RECOVERABLE_ERRORS,
BNXT_RE_NUM_COUNTERS
};
struct rdma_hw_stats *bnxt_re_ib_alloc_hw_stats(struct ib_device *ibdev,
u8 port_num);
int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev,
struct rdma_hw_stats *stats,
u8 port, int index);
#endif /* __BNXT_RE_HW_STATS_H__ */

4
drivers/infiniband/hw/bnxt_re/main.c
View File

@ -64,6 +64,8 @@
#include "ib_verbs.h"
#include <rdma/bnxt_re-abi.h>
#include "bnxt.h"
#include "hw_counters.h"
static char version[] =
BNXT_RE_DESC " v" ROCE_DRV_MODULE_VERSION "\n";
@ -513,6 +515,8 @@ static int bnxt_re_register_ib(struct bnxt_re_dev *rdev)
ibdev->alloc_ucontext = bnxt_re_alloc_ucontext;
ibdev->dealloc_ucontext = bnxt_re_dealloc_ucontext;
ibdev->mmap = bnxt_re_mmap;
ibdev->get_hw_stats = bnxt_re_ib_get_hw_stats;
ibdev->alloc_hw_stats = bnxt_re_ib_alloc_hw_stats;
return ib_register_device(ibdev, NULL);
}