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 int ena_sysctl_update_stats(SYSCTL_HANDLER_ARGS); 36 static void ena_sysctl_add_stats(struct ena_adapter *); 37 38 void 39 ena_sysctl_add_nodes(struct ena_adapter *adapter) 40 { 41 ena_sysctl_add_stats(adapter); 42 } 43 44 static void 45 ena_sysctl_add_stats(struct ena_adapter *adapter) 46 { 47 device_t dev; 48 49 struct ena_ring *tx_ring; 50 struct ena_ring *rx_ring; 51 52 struct ena_hw_stats *hw_stats; 53 struct ena_stats_dev *dev_stats; 54 struct ena_stats_tx *tx_stats; 55 struct ena_stats_rx *rx_stats; 56 struct ena_com_stats_admin *admin_stats; 57 58 struct sysctl_ctx_list *ctx; 59 struct sysctl_oid *tree; 60 struct sysctl_oid_list *child; 61 62 struct sysctl_oid *queue_node, *tx_node, *rx_node, *hw_node; 63 struct sysctl_oid *admin_node; 64 struct sysctl_oid_list *queue_list, *tx_list, *rx_list, *hw_list; 65 struct sysctl_oid_list *admin_list; 66 67 #define QUEUE_NAME_LEN 32 68 char namebuf[QUEUE_NAME_LEN]; 69 int i; 70 71 dev = adapter->pdev; 72 73 ctx = device_get_sysctl_ctx(dev); 74 tree = device_get_sysctl_tree(dev); 75 child = SYSCTL_CHILDREN(tree); 76 77 tx_ring = adapter->tx_ring; 78 rx_ring = adapter->rx_ring; 79 80 hw_stats = &adapter->hw_stats; 81 dev_stats = &adapter->dev_stats; 82 admin_stats = &adapter->ena_dev->admin_queue.stats; 83 84 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "tx_timeout", 85 CTLFLAG_RD, &dev_stats->tx_timeout, 86 "Driver TX timeouts"); 87 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "io_suspend", 88 CTLFLAG_RD, &dev_stats->io_suspend, 89 "IO queue suspends"); 90 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "io_resume", 91 CTLFLAG_RD, &dev_stats->io_resume, 92 "IO queue resumes"); 93 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "wd_expired", 94 CTLFLAG_RD, &dev_stats->wd_expired, 95 "Watchdog expiry count"); 96 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "interface_up", 97 CTLFLAG_RD, &dev_stats->interface_up, 98 "Network interface up count"); 99 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "interface_down", 100 CTLFLAG_RD, &dev_stats->interface_down, 101 "Network interface down count"); 102 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "admin_q_pause", 103 CTLFLAG_RD, &dev_stats->admin_q_pause, 104 "Admin queue pauses"); 105 106 for (i = 0; i < adapter->num_queues; ++i, ++tx_ring, ++rx_ring) { 107 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i); 108 109 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, 110 namebuf, CTLFLAG_RD, NULL, "Queue Name"); 111 queue_list = SYSCTL_CHILDREN(queue_node); 112 113 /* TX specific stats */ 114 tx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO, 115 "tx_ring", CTLFLAG_RD, NULL, "TX ring"); 116 tx_list = SYSCTL_CHILDREN(tx_node); 117 118 tx_stats = &tx_ring->tx_stats; 119 120 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 121 "count", CTLFLAG_RD, 122 &tx_stats->cnt, "Packets sent"); 123 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 124 "bytes", CTLFLAG_RD, 125 &tx_stats->bytes, "Bytes sent"); 126 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 127 "prepare_ctx_err", CTLFLAG_RD, 128 &tx_stats->prepare_ctx_err, 129 "TX buffer preparation failures"); 130 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 131 "queue_wakeup", CTLFLAG_RD, 132 &tx_stats->queue_wakeup, "Queue wakeups"); 133 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 134 "dma_mapping_err", CTLFLAG_RD, 135 &tx_stats->dma_mapping_err, "DMA mapping failures"); 136 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 137 "unsupported_desc_num", CTLFLAG_RD, 138 &tx_stats->unsupported_desc_num, 139 "Excessive descriptor packet discards"); 140 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 141 "napi_comp", CTLFLAG_RD, 142 &tx_stats->napi_comp, "Napi completions"); 143 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 144 "tx_poll", CTLFLAG_RD, 145 &tx_stats->tx_poll, "TX poll count"); 146 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 147 "doorbells", CTLFLAG_RD, 148 &tx_stats->doorbells, "Queue doorbells"); 149 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 150 "missing_tx_comp", CTLFLAG_RD, 151 &tx_stats->missing_tx_comp, "TX completions missed"); 152 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 153 "bad_req_id", CTLFLAG_RD, 154 &tx_stats->bad_req_id, "Bad request id count"); 155 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO, 156 "stops", CTLFLAG_RD, 157 &tx_stats->queue_stop, "Queue stops"); 158 159 /* RX specific stats */ 160 rx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO, 161 "rx_ring", CTLFLAG_RD, NULL, "RX ring"); 162 rx_list = SYSCTL_CHILDREN(rx_node); 163 164 rx_stats = &rx_ring->rx_stats; 165 166 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 167 "count", CTLFLAG_RD, 168 &rx_stats->cnt, "Packets received"); 169 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 170 "bytes", CTLFLAG_RD, 171 &rx_stats->bytes, "Bytes received"); 172 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 173 "refil_partial", CTLFLAG_RD, 174 &rx_stats->refil_partial, "Partial refilled mbufs"); 175 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 176 "bad_csum", CTLFLAG_RD, 177 &rx_stats->bad_csum, "Bad RX checksum"); 178 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 179 "page_alloc_fail", CTLFLAG_RD, 180 &rx_stats->page_alloc_fail, "Failed page allocs"); 181 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 182 "mbuf_alloc_fail", CTLFLAG_RD, 183 &rx_stats->mbuf_alloc_fail, "Failed mbuf allocs"); 184 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 185 "dma_mapping_err", CTLFLAG_RD, 186 &rx_stats->dma_mapping_err, "DMA mapping errors"); 187 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 188 "bad_desc_num", CTLFLAG_RD, 189 &rx_stats->bad_desc_num, "Bad descriptor count"); 190 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO, 191 "small_copy_len_pkt", CTLFLAG_RD, 192 &rx_stats->small_copy_len_pkt, "Small copy packet count"); 193 } 194 195 /* Stats read from device */ 196 hw_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hw_stats", 197 CTLFLAG_RD, NULL, "Statistics from hardware"); 198 hw_list = SYSCTL_CHILDREN(hw_node); 199 200 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "rx_packets", CTLFLAG_RD, 201 &hw_stats->rx_packets, 0, "Packets received"); 202 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "tx_packets", CTLFLAG_RD, 203 &hw_stats->tx_packets, 0, "Packets transmitted"); 204 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "rx_bytes", CTLFLAG_RD, 205 &hw_stats->rx_bytes, 0, "Bytes received"); 206 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "tx_bytes", CTLFLAG_RD, 207 &hw_stats->tx_bytes, 0, "Bytes transmitted"); 208 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "rx_drops", CTLFLAG_RD, 209 &hw_stats->rx_drops, 0, "Receive packet drops"); 210 211 SYSCTL_ADD_PROC(ctx, hw_list, OID_AUTO, "update_stats", 212 CTLTYPE_INT|CTLFLAG_RD, adapter, 0, ena_sysctl_update_stats, 213 "A", "Update stats from hardware"); 214 /* ENA Admin queue stats */ 215 admin_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "admin_stats", 216 CTLFLAG_RD, NULL, "ENA Admin Queue statistics"); 217 admin_list = SYSCTL_CHILDREN(admin_node); 218 219 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "aborted_cmd", CTLFLAG_RD, 220 &admin_stats->aborted_cmd, 0, "Aborted commands"); 221 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "sumbitted_cmd", CTLFLAG_RD, 222 &admin_stats->submitted_cmd, 0, "Submitted commands"); 223 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "completed_cmd", CTLFLAG_RD, 224 &admin_stats->completed_cmd, 0, "Completed commands"); 225 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "out_of_space", CTLFLAG_RD, 226 &admin_stats->out_of_space, 0, "Queue out of space"); 227 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "no_completion", CTLFLAG_RD, 228 &admin_stats->no_completion, 0, "Commands not completed"); 229 } 230 231 static int 232 ena_sysctl_update_stats(SYSCTL_HANDLER_ARGS) 233 { 234 struct ena_adapter *adapter = (struct ena_adapter *)arg1; 235 int rc; 236 237 if (adapter->up) 238 ena_update_stats_counters(adapter); 239 240 rc = sysctl_handle_string(oidp, "", 1, req); 241 return (rc); 242 } 243 244