1 /* 2 * Broadcom NetXtreme-E RoCE driver. 3 * 4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term 5 * Broadcom refers to Broadcom Limited and/or its subsidiaries. 6 * 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 11 * BSD license below: 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 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 22 * distribution. 23 * 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. 35 * 36 * Description: Statistics 37 * 38 */ 39 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> 48 49 #include <rdma/ib_addr.h> 50 51 #include "bnxt_ulp.h" 52 #include "roce_hsi.h" 53 #include "qplib_res.h" 54 #include "qplib_sp.h" 55 #include "qplib_fp.h" 56 #include "qplib_rcfw.h" 57 #include "bnxt_re.h" 58 #include "hw_counters.h" 59 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" 71 }; 72 73 int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev, 74 struct rdma_hw_stats *stats, 75 u8 port, int index) 76 { 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; 79 80 if (!port || !stats) 81 return -EINVAL; 82 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); 88 if (bnxt_re_stats) { 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); 99 } 100 return ARRAY_SIZE(bnxt_re_stat_name); 101 } 102 103 struct rdma_hw_stats *bnxt_re_ib_alloc_hw_stats(struct ib_device *ibdev, 104 u8 port_num) 105 { 106 BUILD_BUG_ON(ARRAY_SIZE(bnxt_re_stat_name) != BNXT_RE_NUM_COUNTERS); 107 /* We support only per port stats */ 108 if (!port_num) 109 return NULL; 110 111 return rdma_alloc_hw_stats_struct(bnxt_re_stat_name, 112 ARRAY_SIZE(bnxt_re_stat_name), 113 RDMA_HW_STATS_DEFAULT_LIFESPAN); 114 } 115