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 } 234 235