drivers/infiniband/hw/bnxt_re/hw_counters.c

   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         [BNXT_RE_RX_DROPS]              =  "rx_roce_drops",
  72         [BNXT_RE_RX_DISCARDS]           =  "rx_roce_discards",
  73         [BNXT_RE_TO_RETRANSMITS]        = "to_retransmits",
  74         [BNXT_RE_SEQ_ERR_NAKS_RCVD]     = "seq_err_naks_rcvd",
  75         [BNXT_RE_MAX_RETRY_EXCEEDED]    = "max_retry_exceeded",
  76         [BNXT_RE_RNR_NAKS_RCVD]         = "rnr_naks_rcvd",
  77         [BNXT_RE_MISSING_RESP]          = "missing_resp",
  78         [BNXT_RE_UNRECOVERABLE_ERR]     = "unrecoverable_err",
  79         [BNXT_RE_BAD_RESP_ERR]          = "bad_resp_err",
  80         [BNXT_RE_LOCAL_QP_OP_ERR]       = "local_qp_op_err",
  81         [BNXT_RE_LOCAL_PROTECTION_ERR]  = "local_protection_err",
  82         [BNXT_RE_MEM_MGMT_OP_ERR]       = "mem_mgmt_op_err",
  83         [BNXT_RE_REMOTE_INVALID_REQ_ERR] = "remote_invalid_req_err",
  84         [BNXT_RE_REMOTE_ACCESS_ERR]     = "remote_access_err",
  85         [BNXT_RE_REMOTE_OP_ERR]         = "remote_op_err",
  86         [BNXT_RE_DUP_REQ]               = "dup_req",
  87         [BNXT_RE_RES_EXCEED_MAX]        = "res_exceed_max",
  88         [BNXT_RE_RES_LENGTH_MISMATCH]   = "res_length_mismatch",
  89         [BNXT_RE_RES_EXCEEDS_WQE]       = "res_exceeds_wqe",
  90         [BNXT_RE_RES_OPCODE_ERR]        = "res_opcode_err",
  91         [BNXT_RE_RES_RX_INVALID_RKEY]   = "res_rx_invalid_rkey",
  92         [BNXT_RE_RES_RX_DOMAIN_ERR]     = "res_rx_domain_err",
  93         [BNXT_RE_RES_RX_NO_PERM]        = "res_rx_no_perm",
  94         [BNXT_RE_RES_RX_RANGE_ERR]      = "res_rx_range_err",
  95         [BNXT_RE_RES_TX_INVALID_RKEY]   = "res_tx_invalid_rkey",
  96         [BNXT_RE_RES_TX_DOMAIN_ERR]     = "res_tx_domain_err",
  97         [BNXT_RE_RES_TX_NO_PERM]        = "res_tx_no_perm",
  98         [BNXT_RE_RES_TX_RANGE_ERR]      = "res_tx_range_err",
  99         [BNXT_RE_RES_IRRQ_OFLOW]        = "res_irrq_oflow",
 100         [BNXT_RE_RES_UNSUP_OPCODE]      = "res_unsup_opcode",
 101         [BNXT_RE_RES_UNALIGNED_ATOMIC]  = "res_unaligned_atomic",
 102         [BNXT_RE_RES_REM_INV_ERR]       = "res_rem_inv_err",
 103         [BNXT_RE_RES_MEM_ERROR]         = "res_mem_err",
 104         [BNXT_RE_RES_SRQ_ERR]           = "res_srq_err",
 105         [BNXT_RE_RES_CMP_ERR]           = "res_cmp_err",
 106         [BNXT_RE_RES_INVALID_DUP_RKEY]  = "res_invalid_dup_rkey",
 107         [BNXT_RE_RES_WQE_FORMAT_ERR]    = "res_wqe_format_err",
 108         [BNXT_RE_RES_CQ_LOAD_ERR]       = "res_cq_load_err",
 109         [BNXT_RE_RES_SRQ_LOAD_ERR]      = "res_srq_load_err",
 110         [BNXT_RE_RES_TX_PCI_ERR]        = "res_tx_pci_err",
 111         [BNXT_RE_RES_RX_PCI_ERR]        = "res_rx_pci_err",
 112         [BNXT_RE_OUT_OF_SEQ_ERR]        = "oos_drop_count"
 113 };
 114
 115 int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev,
 116                             struct rdma_hw_stats *stats,
 117                             u8 port, int index)
 118 {
 119         struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
 120         struct ctx_hw_stats *bnxt_re_stats = rdev->qplib_ctx.stats.dma;
 121         int rc  = 0;
 122
 123         if (!port || !stats)
 124                 return -EINVAL;
 125
 126         stats->value[BNXT_RE_ACTIVE_QP] = atomic_read(&rdev->qp_count);
 127         stats->value[BNXT_RE_ACTIVE_SRQ] = atomic_read(&rdev->srq_count);
 128         stats->value[BNXT_RE_ACTIVE_CQ] = atomic_read(&rdev->cq_count);
 129         stats->value[BNXT_RE_ACTIVE_MR] = atomic_read(&rdev->mr_count);
 130         stats->value[BNXT_RE_ACTIVE_MW] = atomic_read(&rdev->mw_count);
 131         if (bnxt_re_stats) {
 132                 stats->value[BNXT_RE_RECOVERABLE_ERRORS] =
 133                         le64_to_cpu(bnxt_re_stats->tx_bcast_pkts);
 134                 stats->value[BNXT_RE_RX_DROPS] =
 135                         le64_to_cpu(bnxt_re_stats->rx_drop_pkts);
 136                 stats->value[BNXT_RE_RX_DISCARDS] =
 137                         le64_to_cpu(bnxt_re_stats->rx_discard_pkts);
 138                 stats->value[BNXT_RE_RX_PKTS] =
 139                         le64_to_cpu(bnxt_re_stats->rx_ucast_pkts);
 140                 stats->value[BNXT_RE_RX_BYTES] =
 141                         le64_to_cpu(bnxt_re_stats->rx_ucast_bytes);
 142                 stats->value[BNXT_RE_TX_PKTS] =
 143                         le64_to_cpu(bnxt_re_stats->tx_ucast_pkts);
 144                 stats->value[BNXT_RE_TX_BYTES] =
 145                         le64_to_cpu(bnxt_re_stats->tx_ucast_bytes);
 146         }
 147         if (test_bit(BNXT_RE_FLAG_ISSUE_ROCE_STATS, &rdev->flags)) {
 148                 rc = bnxt_qplib_get_roce_stats(&rdev->rcfw, &rdev->stats);
 149                 if (rc)
 150                         clear_bit(BNXT_RE_FLAG_ISSUE_ROCE_STATS,
 151                                   &rdev->flags);
 152                 stats->value[BNXT_RE_TO_RETRANSMITS] =
 153                                         rdev->stats.to_retransmits;
 154                 stats->value[BNXT_RE_SEQ_ERR_NAKS_RCVD] =
 155                                         rdev->stats.seq_err_naks_rcvd;
 156                 stats->value[BNXT_RE_MAX_RETRY_EXCEEDED] =
 157                                         rdev->stats.max_retry_exceeded;
 158                 stats->value[BNXT_RE_RNR_NAKS_RCVD] =
 159                                         rdev->stats.rnr_naks_rcvd;
 160                 stats->value[BNXT_RE_MISSING_RESP] =
 161                                         rdev->stats.missing_resp;
 162                 stats->value[BNXT_RE_UNRECOVERABLE_ERR] =
 163                                         rdev->stats.unrecoverable_err;
 164                 stats->value[BNXT_RE_BAD_RESP_ERR] =
 165                                         rdev->stats.bad_resp_err;
 166                 stats->value[BNXT_RE_LOCAL_QP_OP_ERR]   =
 167                                 rdev->stats.local_qp_op_err;
 168                 stats->value[BNXT_RE_LOCAL_PROTECTION_ERR] =
 169                                 rdev->stats.local_protection_err;
 170                 stats->value[BNXT_RE_MEM_MGMT_OP_ERR] =
 171                                 rdev->stats.mem_mgmt_op_err;
 172                 stats->value[BNXT_RE_REMOTE_INVALID_REQ_ERR] =
 173                                 rdev->stats.remote_invalid_req_err;
 174                 stats->value[BNXT_RE_REMOTE_ACCESS_ERR] =
 175                                 rdev->stats.remote_access_err;
 176                 stats->value[BNXT_RE_REMOTE_OP_ERR] =
 177                                 rdev->stats.remote_op_err;
 178                 stats->value[BNXT_RE_DUP_REQ] =
 179                                 rdev->stats.dup_req;
 180                 stats->value[BNXT_RE_RES_EXCEED_MAX] =
 181                                 rdev->stats.res_exceed_max;
 182                 stats->value[BNXT_RE_RES_LENGTH_MISMATCH] =
 183                                 rdev->stats.res_length_mismatch;
 184                 stats->value[BNXT_RE_RES_EXCEEDS_WQE] =
 185                                 rdev->stats.res_exceeds_wqe;
 186                 stats->value[BNXT_RE_RES_OPCODE_ERR] =
 187                                 rdev->stats.res_opcode_err;
 188                 stats->value[BNXT_RE_RES_RX_INVALID_RKEY] =
 189                                 rdev->stats.res_rx_invalid_rkey;
 190                 stats->value[BNXT_RE_RES_RX_DOMAIN_ERR] =
 191                                 rdev->stats.res_rx_domain_err;
 192                 stats->value[BNXT_RE_RES_RX_NO_PERM] =
 193                                 rdev->stats.res_rx_no_perm;
 194                 stats->value[BNXT_RE_RES_RX_RANGE_ERR]  =
 195                                 rdev->stats.res_rx_range_err;
 196                 stats->value[BNXT_RE_RES_TX_INVALID_RKEY] =
 197                                 rdev->stats.res_tx_invalid_rkey;
 198                 stats->value[BNXT_RE_RES_TX_DOMAIN_ERR] =
 199                                 rdev->stats.res_tx_domain_err;
 200                 stats->value[BNXT_RE_RES_TX_NO_PERM] =
 201                                 rdev->stats.res_tx_no_perm;
 202                 stats->value[BNXT_RE_RES_TX_RANGE_ERR]  =
 203                                 rdev->stats.res_tx_range_err;
 204                 stats->value[BNXT_RE_RES_IRRQ_OFLOW] =
 205                                 rdev->stats.res_irrq_oflow;
 206                 stats->value[BNXT_RE_RES_UNSUP_OPCODE]  =
 207                                 rdev->stats.res_unsup_opcode;
 208                 stats->value[BNXT_RE_RES_UNALIGNED_ATOMIC] =
 209                                 rdev->stats.res_unaligned_atomic;
 210                 stats->value[BNXT_RE_RES_REM_INV_ERR]   =
 211                                 rdev->stats.res_rem_inv_err;
 212                 stats->value[BNXT_RE_RES_MEM_ERROR] =
 213                                 rdev->stats.res_mem_error;
 214                 stats->value[BNXT_RE_RES_SRQ_ERR] =
 215                                 rdev->stats.res_srq_err;
 216                 stats->value[BNXT_RE_RES_CMP_ERR] =
 217                                 rdev->stats.res_cmp_err;
 218                 stats->value[BNXT_RE_RES_INVALID_DUP_RKEY] =
 219                                 rdev->stats.res_invalid_dup_rkey;
 220                 stats->value[BNXT_RE_RES_WQE_FORMAT_ERR] =
 221                                 rdev->stats.res_wqe_format_err;
 222                 stats->value[BNXT_RE_RES_CQ_LOAD_ERR]   =
 223                                 rdev->stats.res_cq_load_err;
 224                 stats->value[BNXT_RE_RES_SRQ_LOAD_ERR]  =
 225                                 rdev->stats.res_srq_load_err;
 226                 stats->value[BNXT_RE_RES_TX_PCI_ERR]    =
 227                                 rdev->stats.res_tx_pci_err;
 228                 stats->value[BNXT_RE_RES_RX_PCI_ERR]    =
 229                                 rdev->stats.res_rx_pci_err;
 230                 stats->value[BNXT_RE_OUT_OF_SEQ_ERR]    =
 231                                 rdev->stats.res_oos_drop_count;
 232         }
 233
 234         return ARRAY_SIZE(bnxt_re_stat_name);
 235 }
 236
 237 struct rdma_hw_stats *bnxt_re_ib_alloc_hw_stats(struct ib_device *ibdev,
 238                                                 u8 port_num)
 239 {
 240         BUILD_BUG_ON(ARRAY_SIZE(bnxt_re_stat_name) != BNXT_RE_NUM_COUNTERS);
 241         /* We support only per port stats */
 242         if (!port_num)
 243                 return NULL;
 244
 245         return rdma_alloc_hw_stats_struct(bnxt_re_stat_name,
 246                                           ARRAY_SIZE(bnxt_re_stat_name),
 247                                           RDMA_HW_STATS_DEFAULT_LIFESPAN);
 248 }