4 * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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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.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include "ena_sysctl.h"
35 static int ena_sysctl_update_stats(SYSCTL_HANDLER_ARGS);
36 static void ena_sysctl_add_stats(struct ena_adapter *);
39 ena_sysctl_add_nodes(struct ena_adapter *adapter)
41 ena_sysctl_add_stats(adapter);
45 ena_sysctl_add_stats(struct ena_adapter *adapter)
49 struct ena_ring *tx_ring;
50 struct ena_ring *rx_ring;
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;
58 struct sysctl_ctx_list *ctx;
59 struct sysctl_oid *tree;
60 struct sysctl_oid_list *child;
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;
67 #define QUEUE_NAME_LEN 32
68 char namebuf[QUEUE_NAME_LEN];
73 ctx = device_get_sysctl_ctx(dev);
74 tree = device_get_sysctl_tree(dev);
75 child = SYSCTL_CHILDREN(tree);
77 tx_ring = adapter->tx_ring;
78 rx_ring = adapter->rx_ring;
80 hw_stats = &adapter->hw_stats;
81 dev_stats = &adapter->dev_stats;
82 admin_stats = &adapter->ena_dev->admin_queue.stats;
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,
90 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "io_resume",
91 CTLFLAG_RD, &dev_stats->io_resume,
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");
106 for (i = 0; i < adapter->num_queues; ++i, ++tx_ring, ++rx_ring) {
107 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i);
109 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO,
110 namebuf, CTLFLAG_RD, NULL, "Queue Name");
111 queue_list = SYSCTL_CHILDREN(queue_node);
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);
118 tx_stats = &tx_ring->tx_stats;
120 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
122 &tx_stats->cnt, "Packets sent");
123 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
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,
157 &tx_stats->queue_stop, "Queue stops");
158 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
159 "mbuf_collapses", CTLFLAG_RD,
161 "Mbuf collapse count");
162 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
163 "mbuf_collapse_err", CTLFLAG_RD,
164 &tx_stats->collapse_err,
165 "Mbuf collapse failures");
167 /* RX specific stats */
168 rx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO,
169 "rx_ring", CTLFLAG_RD, NULL, "RX ring");
170 rx_list = SYSCTL_CHILDREN(rx_node);
172 rx_stats = &rx_ring->rx_stats;
174 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
176 &rx_stats->cnt, "Packets received");
177 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
179 &rx_stats->bytes, "Bytes received");
180 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
181 "refil_partial", CTLFLAG_RD,
182 &rx_stats->refil_partial, "Partial refilled mbufs");
183 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
184 "bad_csum", CTLFLAG_RD,
185 &rx_stats->bad_csum, "Bad RX checksum");
186 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
187 "page_alloc_fail", CTLFLAG_RD,
188 &rx_stats->page_alloc_fail, "Failed page allocs");
189 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
190 "mbuf_alloc_fail", CTLFLAG_RD,
191 &rx_stats->mbuf_alloc_fail, "Failed mbuf allocs");
192 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
193 "dma_mapping_err", CTLFLAG_RD,
194 &rx_stats->dma_mapping_err, "DMA mapping errors");
195 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
196 "bad_desc_num", CTLFLAG_RD,
197 &rx_stats->bad_desc_num, "Bad descriptor count");
198 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
199 "small_copy_len_pkt", CTLFLAG_RD,
200 &rx_stats->small_copy_len_pkt, "Small copy packet count");
203 /* Stats read from device */
204 hw_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hw_stats",
205 CTLFLAG_RD, NULL, "Statistics from hardware");
206 hw_list = SYSCTL_CHILDREN(hw_node);
208 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "rx_packets", CTLFLAG_RD,
209 &hw_stats->rx_packets, 0, "Packets received");
210 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "tx_packets", CTLFLAG_RD,
211 &hw_stats->tx_packets, 0, "Packets transmitted");
212 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "rx_bytes", CTLFLAG_RD,
213 &hw_stats->rx_bytes, 0, "Bytes received");
214 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "tx_bytes", CTLFLAG_RD,
215 &hw_stats->tx_bytes, 0, "Bytes transmitted");
216 SYSCTL_ADD_U64(ctx, hw_list, OID_AUTO, "rx_drops", CTLFLAG_RD,
217 &hw_stats->rx_drops, 0, "Receive packet drops");
219 SYSCTL_ADD_PROC(ctx, hw_list, OID_AUTO, "update_stats",
220 CTLTYPE_INT|CTLFLAG_RD, adapter, 0, ena_sysctl_update_stats,
221 "A", "Update stats from hardware");
222 /* ENA Admin queue stats */
223 admin_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "admin_stats",
224 CTLFLAG_RD, NULL, "ENA Admin Queue statistics");
225 admin_list = SYSCTL_CHILDREN(admin_node);
227 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "aborted_cmd", CTLFLAG_RD,
228 &admin_stats->aborted_cmd, 0, "Aborted commands");
229 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "sumbitted_cmd", CTLFLAG_RD,
230 &admin_stats->submitted_cmd, 0, "Submitted commands");
231 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "completed_cmd", CTLFLAG_RD,
232 &admin_stats->completed_cmd, 0, "Completed commands");
233 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "out_of_space", CTLFLAG_RD,
234 &admin_stats->out_of_space, 0, "Queue out of space");
235 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "no_completion", CTLFLAG_RD,
236 &admin_stats->no_completion, 0, "Commands not completed");
240 ena_sysctl_update_stats(SYSCTL_HANDLER_ARGS)
242 struct ena_adapter *adapter = (struct ena_adapter *)arg1;
246 ena_update_stats_counters(adapter);
248 rc = sysctl_handle_string(oidp, "", 1, req);