2 * Broadcom NetXtreme-E RoCE driver.
4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
5 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in
21 * the documentation and/or other materials provided with the
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
26 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
33 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
34 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 * Description: Statistics
40 #include <linux/interrupt.h>
41 #include <linux/types.h>
42 #include <linux/spinlock.h>
43 #include <linux/sched.h>
44 #include <linux/slab.h>
45 #include <linux/pci.h>
46 #include <linux/prefetch.h>
47 #include <linux/delay.h>
49 #include <rdma/ib_addr.h>
53 #include "qplib_res.h"
56 #include "qplib_rcfw.h"
58 #include "hw_counters.h"
60 static const char * const bnxt_re_stat_name[] = {
61 [BNXT_RE_ACTIVE_QP] = "active_qps",
62 [BNXT_RE_ACTIVE_SRQ] = "active_srqs",
63 [BNXT_RE_ACTIVE_CQ] = "active_cqs",
64 [BNXT_RE_ACTIVE_MR] = "active_mrs",
65 [BNXT_RE_ACTIVE_MW] = "active_mws",
66 [BNXT_RE_RX_PKTS] = "rx_pkts",
67 [BNXT_RE_RX_BYTES] = "rx_bytes",
68 [BNXT_RE_TX_PKTS] = "tx_pkts",
69 [BNXT_RE_TX_BYTES] = "tx_bytes",
70 [BNXT_RE_RECOVERABLE_ERRORS] = "recoverable_errors"
73 int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev,
74 struct rdma_hw_stats *stats,
77 struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
78 struct ctx_hw_stats *bnxt_re_stats = rdev->qplib_ctx.stats.dma;
83 stats->value[BNXT_RE_ACTIVE_QP] = atomic_read(&rdev->qp_count);
84 stats->value[BNXT_RE_ACTIVE_SRQ] = atomic_read(&rdev->srq_count);
85 stats->value[BNXT_RE_ACTIVE_CQ] = atomic_read(&rdev->cq_count);
86 stats->value[BNXT_RE_ACTIVE_MR] = atomic_read(&rdev->mr_count);
87 stats->value[BNXT_RE_ACTIVE_MW] = atomic_read(&rdev->mw_count);
89 stats->value[BNXT_RE_RECOVERABLE_ERRORS] =
90 le64_to_cpu(bnxt_re_stats->tx_bcast_pkts);
91 stats->value[BNXT_RE_RX_PKTS] =
92 le64_to_cpu(bnxt_re_stats->rx_ucast_pkts);
93 stats->value[BNXT_RE_RX_BYTES] =
94 le64_to_cpu(bnxt_re_stats->rx_ucast_bytes);
95 stats->value[BNXT_RE_TX_PKTS] =
96 le64_to_cpu(bnxt_re_stats->tx_ucast_pkts);
97 stats->value[BNXT_RE_TX_BYTES] =
98 le64_to_cpu(bnxt_re_stats->tx_ucast_bytes);
100 return ARRAY_SIZE(bnxt_re_stat_name);
103 struct rdma_hw_stats *bnxt_re_ib_alloc_hw_stats(struct ib_device *ibdev,
106 BUILD_BUG_ON(ARRAY_SIZE(bnxt_re_stat_name) != BNXT_RE_NUM_COUNTERS);
107 /* We support only per port stats */
111 return rdma_alloc_hw_stats_struct(bnxt_re_stat_name,
112 ARRAY_SIZE(bnxt_re_stat_name),
113 RDMA_HW_STATS_DEFAULT_LIFESPAN);