sys/dev/ena/ena_sysctl.c

   1 /*-
   2  * BSD LICENSE
   3  *
   4  * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30 #include <sys/cdefs.h>
  31 __FBSDID("$FreeBSD$");
  32
  33 #include "ena_sysctl.h"
  34
  35 static void     ena_sysctl_add_stats(struct ena_adapter *);
  36
  37 void
  38 ena_sysctl_add_nodes(struct ena_adapter *adapter)
  39 {
  40         ena_sysctl_add_stats(adapter);
  41 }
  42
  43 static void
  44 ena_sysctl_add_stats(struct ena_adapter *adapter)
  45 {
  46         device_t dev;
  47
  48         struct ena_ring *tx_ring;
  49         struct ena_ring *rx_ring;
  50
  51         struct ena_hw_stats *hw_stats;
  52         struct ena_stats_dev *dev_stats;
  53         struct ena_stats_tx *tx_stats;
  54         struct ena_stats_rx *rx_stats;
  55         struct ena_com_stats_admin *admin_stats;
  56
  57         struct sysctl_ctx_list *ctx;
  58         struct sysctl_oid *tree;
  59         struct sysctl_oid_list *child;
  60
  61         struct sysctl_oid *queue_node, *tx_node, *rx_node, *hw_node;
  62         struct sysctl_oid *admin_node;
  63         struct sysctl_oid_list *queue_list, *tx_list, *rx_list, *hw_list;
  64         struct sysctl_oid_list *admin_list;
  65
  66 #define QUEUE_NAME_LEN 32
  67         char namebuf[QUEUE_NAME_LEN];
  68         int i;
  69
  70         dev = adapter->pdev;
  71
  72         ctx = device_get_sysctl_ctx(dev);
  73         tree = device_get_sysctl_tree(dev);
  74         child = SYSCTL_CHILDREN(tree);
  75
  76         tx_ring = adapter->tx_ring;
  77         rx_ring = adapter->rx_ring;
  78
  79         hw_stats = &adapter->hw_stats;
  80         dev_stats = &adapter->dev_stats;
  81         admin_stats = &adapter->ena_dev->admin_queue.stats;
  82
  83         SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "tx_timeout",
  84             CTLFLAG_RD, &dev_stats->tx_timeout,
  85             "Driver TX timeouts");
  86         SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "io_suspend",
  87             CTLFLAG_RD, &dev_stats->io_suspend,
  88             "IO queue suspends");
  89         SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "io_resume",
  90             CTLFLAG_RD, &dev_stats->io_resume,
  91             "IO queue resumes");
  92         SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "wd_expired",
  93             CTLFLAG_RD, &dev_stats->wd_expired,
  94             "Watchdog expiry count");
  95         SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "interface_up",
  96             CTLFLAG_RD, &dev_stats->interface_up,
  97             "Network interface up count");
  98         SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "interface_down",
  99             CTLFLAG_RD, &dev_stats->interface_down,
 100             "Network interface down count");
 101         SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "admin_q_pause",
 102             CTLFLAG_RD, &dev_stats->admin_q_pause,
 103             "Admin queue pauses");
 104
 105         for (i = 0; i < adapter->num_queues; ++i, ++tx_ring, ++rx_ring) {
 106                 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i);
 107
 108                 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO,
 109                     namebuf, CTLFLAG_RD, NULL, "Queue Name");
 110                 queue_list = SYSCTL_CHILDREN(queue_node);
 111
 112                 /* TX specific stats */
 113                 tx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO,
 114                     "tx_ring", CTLFLAG_RD, NULL, "TX ring");
 115                 tx_list = SYSCTL_CHILDREN(tx_node);
 116
 117                 tx_stats = &tx_ring->tx_stats;
 118
 119                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 120                     "count", CTLFLAG_RD,
 121                     &tx_stats->cnt, "Packets sent");
 122                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 123                     "bytes", CTLFLAG_RD,
 124                     &tx_stats->bytes, "Bytes sent");
 125                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 126                     "prepare_ctx_err", CTLFLAG_RD,
 127                     &tx_stats->prepare_ctx_err,
 128                     "TX buffer preparation failures");
 129                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 130                     "queue_wakeup", CTLFLAG_RD,
 131                     &tx_stats->queue_wakeup, "Queue wakeups");
 132                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 133                     "dma_mapping_err", CTLFLAG_RD,
 134                     &tx_stats->dma_mapping_err, "DMA mapping failures");
 135                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 136                     "unsupported_desc_num", CTLFLAG_RD,
 137                     &tx_stats->unsupported_desc_num,
 138                     "Excessive descriptor packet discards");
 139                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 140                     "napi_comp", CTLFLAG_RD,
 141                     &tx_stats->napi_comp, "Napi completions");
 142                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 143                     "tx_poll", CTLFLAG_RD,
 144                     &tx_stats->tx_poll, "TX poll count");
 145                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 146                     "doorbells", CTLFLAG_RD,
 147                     &tx_stats->doorbells, "Queue doorbells");
 148                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 149                     "missing_tx_comp", CTLFLAG_RD,
 150                     &tx_stats->missing_tx_comp, "TX completions missed");
 151                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 152                     "bad_req_id", CTLFLAG_RD,
 153                     &tx_stats->bad_req_id, "Bad request id count");
 154                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 155                     "stops", CTLFLAG_RD,
 156                     &tx_stats->queue_stop, "Queue stops");
 157                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 158                         "mbuf_collapses", CTLFLAG_RD,
 159                         &tx_stats->collapse,
 160                         "Mbuf collapse count");
 161                 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
 162                         "mbuf_collapse_err", CTLFLAG_RD,
 163                         &tx_stats->collapse_err,
 164                         "Mbuf collapse failures");
 165
 166                 /* RX specific stats */
 167                 rx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO,
 168                     "rx_ring", CTLFLAG_RD, NULL, "RX ring");
 169                 rx_list = SYSCTL_CHILDREN(rx_node);
 170
 171                 rx_stats = &rx_ring->rx_stats;
 172
 173                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 174                     "count", CTLFLAG_RD,
 175                     &rx_stats->cnt, "Packets received");
 176                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 177                     "bytes", CTLFLAG_RD,
 178                     &rx_stats->bytes, "Bytes received");
 179                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 180                     "refil_partial", CTLFLAG_RD,
 181                     &rx_stats->refil_partial, "Partial refilled mbufs");
 182                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 183                     "bad_csum", CTLFLAG_RD,
 184                     &rx_stats->bad_csum, "Bad RX checksum");
 185                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 186                     "page_alloc_fail", CTLFLAG_RD,
 187                     &rx_stats->page_alloc_fail, "Failed page allocs");
 188                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 189                     "mbuf_alloc_fail", CTLFLAG_RD,
 190                     &rx_stats->mbuf_alloc_fail, "Failed mbuf allocs");
 191                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 192                     "dma_mapping_err", CTLFLAG_RD,
 193                     &rx_stats->dma_mapping_err, "DMA mapping errors");
 194                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 195                     "bad_desc_num", CTLFLAG_RD,
 196                     &rx_stats->bad_desc_num, "Bad descriptor count");
 197                 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
 198                     "small_copy_len_pkt", CTLFLAG_RD,
 199                     &rx_stats->small_copy_len_pkt, "Small copy packet count");
 200         }
 201
 202         /* Stats read from device */
 203         hw_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hw_stats",
 204             CTLFLAG_RD, NULL, "Statistics from hardware");
 205         hw_list = SYSCTL_CHILDREN(hw_node);
 206
 207         SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_packets", CTLFLAG_RD,
 208             &hw_stats->rx_packets, "Packets received");
 209         SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "tx_packets", CTLFLAG_RD,
 210             &hw_stats->tx_packets, "Packets transmitted");
 211         SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_bytes", CTLFLAG_RD,
 212             &hw_stats->rx_bytes, "Bytes received");
 213         SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "tx_bytes", CTLFLAG_RD,
 214             &hw_stats->tx_bytes, "Bytes transmitted");
 215         SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_drops", CTLFLAG_RD,
 216             &hw_stats->rx_drops, "Receive packet drops");
 217
 218         /* ENA Admin queue stats */
 219         admin_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "admin_stats",
 220             CTLFLAG_RD, NULL, "ENA Admin Queue statistics");
 221         admin_list = SYSCTL_CHILDREN(admin_node);
 222
 223         SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "aborted_cmd", CTLFLAG_RD,
 224             &admin_stats->aborted_cmd, 0, "Aborted commands");
 225         SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "sumbitted_cmd", CTLFLAG_RD,
 226             &admin_stats->submitted_cmd, 0, "Submitted commands");
 227         SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "completed_cmd", CTLFLAG_RD,
 228             &admin_stats->completed_cmd, 0, "Completed commands");
 229         SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "out_of_space", CTLFLAG_RD,
 230             &admin_stats->out_of_space, 0, "Queue out of space");
 231         SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "no_completion", CTLFLAG_RD,
 232             &admin_stats->no_completion, 0, "Commands not completed");
 233 }
 234