RDMA/bnxt_re: Implement the alloc/get_hw_stats callback (225937d6) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/infiniband/hw/bnxt_re/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -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

drivers/infiniband/hw/bnxt_re/hw_counters.c

0 → 100644

+114 −0

Original line number	Diff line number	Diff line
		/*
		* 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);
		}

drivers/infiniband/hw/bnxt_re/hw_counters.h

0 → 100644

+62 −0

Original line number	Diff line number	Diff line
		/*
		* 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__ */

drivers/infiniband/hw/bnxt_re/main.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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);
		}