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 * $FreeBSD: head/sys/dev/ena/ena_sysctl.c 325592 2017-11-09 13:36:42Z mw $
31 */
32
33 #include "ena_sysctl.h"
34
35 static void ena_sysctl_add_wd(struct ena_adapter *);
36 #if 0 /* XXX swildner counters */
37 static void ena_sysctl_add_stats(struct ena_adapter *);
38 #endif
39
40 void
ena_sysctl_add_nodes(struct ena_adapter * adapter)41 ena_sysctl_add_nodes(struct ena_adapter *adapter)
42 {
43 ena_sysctl_add_wd(adapter);
44 #if 0 /* XXX swildner counters */
45 ena_sysctl_add_stats(adapter);
46 #endif
47 }
48
49 static void
ena_sysctl_add_wd(struct ena_adapter * adapter)50 ena_sysctl_add_wd(struct ena_adapter *adapter)
51 {
52 device_t dev;
53
54 struct sysctl_ctx_list *ctx;
55 struct sysctl_oid *tree;
56 struct sysctl_oid_list *child;
57
58 dev = adapter->pdev;
59
60 ctx = device_get_sysctl_ctx(dev);
61 tree = device_get_sysctl_tree(dev);
62 child = SYSCTL_CHILDREN(tree);
63
64 /* Sysctl calls for Watchdog service */
65 SYSCTL_ADD_INT(ctx, child, OID_AUTO, "wd_active",
66 CTLFLAG_RW, &adapter->wd_active, 0,
67 "Watchdog is active");
68
69 SYSCTL_ADD_QUAD(ctx, child, OID_AUTO, "keep_alive_timeout",
70 CTLFLAG_RW, &adapter->keep_alive_timeout, 0,
71 "Timeout for Keep Alive messages");
72
73 SYSCTL_ADD_QUAD(ctx, child, OID_AUTO, "missing_tx_timeout",
74 CTLFLAG_RW, &adapter->missing_tx_timeout, 0,
75 "Timeout for TX completion");
76
77 SYSCTL_ADD_U32(ctx, child, OID_AUTO, "missing_tx_max_queues",
78 CTLFLAG_RW, &adapter->missing_tx_max_queues,
79 "Number of TX queues to check per run");
80
81 SYSCTL_ADD_U32(ctx, child, OID_AUTO, "missing_tx_threshold",
82 CTLFLAG_RW, &adapter->missing_tx_threshold,
83 "Max number of timeouted packets");
84 }
85
86 #if 0 /* XXX swildner counters */
87 static void
88 ena_sysctl_add_stats(struct ena_adapter *adapter)
89 {
90 device_t dev;
91
92 struct ena_ring *tx_ring;
93 struct ena_ring *rx_ring;
94
95 struct ena_hw_stats *hw_stats;
96 struct ena_stats_dev *dev_stats;
97 struct ena_stats_tx *tx_stats;
98 struct ena_stats_rx *rx_stats;
99 struct ena_com_stats_admin *admin_stats;
100
101 struct sysctl_ctx_list *ctx;
102 struct sysctl_oid *tree;
103 struct sysctl_oid_list *child;
104
105 struct sysctl_oid *queue_node, *tx_node, *rx_node, *hw_node;
106 struct sysctl_oid *admin_node;
107 struct sysctl_oid_list *queue_list, *tx_list, *rx_list, *hw_list;
108 struct sysctl_oid_list *admin_list;
109
110 #define QUEUE_NAME_LEN 32
111 char namebuf[QUEUE_NAME_LEN];
112 int i;
113
114 dev = adapter->pdev;
115
116 ctx = device_get_sysctl_ctx(dev);
117 tree = device_get_sysctl_tree(dev);
118 child = SYSCTL_CHILDREN(tree);
119
120 tx_ring = adapter->tx_ring;
121 rx_ring = adapter->rx_ring;
122
123 hw_stats = &adapter->hw_stats;
124 dev_stats = &adapter->dev_stats;
125 admin_stats = &adapter->ena_dev->admin_queue.stats;
126
127 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "wd_expired",
128 CTLFLAG_RD, &dev_stats->wd_expired,
129 "Watchdog expiry count");
130 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "interface_up",
131 CTLFLAG_RD, &dev_stats->interface_up,
132 "Network interface up count");
133 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "interface_down",
134 CTLFLAG_RD, &dev_stats->interface_down,
135 "Network interface down count");
136 SYSCTL_ADD_COUNTER_U64(ctx, child, OID_AUTO, "admin_q_pause",
137 CTLFLAG_RD, &dev_stats->admin_q_pause,
138 "Admin queue pauses");
139
140 for (i = 0; i < adapter->num_queues; ++i, ++tx_ring, ++rx_ring) {
141 ksnprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i);
142
143 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO,
144 namebuf, CTLFLAG_RD, NULL, "Queue Name");
145 queue_list = SYSCTL_CHILDREN(queue_node);
146
147 /* TX specific stats */
148 tx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO,
149 "tx_ring", CTLFLAG_RD, NULL, "TX ring");
150 tx_list = SYSCTL_CHILDREN(tx_node);
151
152 tx_stats = &tx_ring->tx_stats;
153
154 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
155 "count", CTLFLAG_RD,
156 &tx_stats->cnt, "Packets sent");
157 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
158 "bytes", CTLFLAG_RD,
159 &tx_stats->bytes, "Bytes sent");
160 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
161 "prepare_ctx_err", CTLFLAG_RD,
162 &tx_stats->prepare_ctx_err,
163 "TX buffer preparation failures");
164 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
165 "dma_mapping_err", CTLFLAG_RD,
166 &tx_stats->dma_mapping_err, "DMA mapping failures");
167 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
168 "doorbells", CTLFLAG_RD,
169 &tx_stats->doorbells, "Queue doorbells");
170 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
171 "missing_tx_comp", CTLFLAG_RD,
172 &tx_stats->missing_tx_comp, "TX completions missed");
173 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
174 "bad_req_id", CTLFLAG_RD,
175 &tx_stats->bad_req_id, "Bad request id count");
176 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
177 "mbuf_collapses", CTLFLAG_RD,
178 &tx_stats->collapse,
179 "Mbuf collapse count");
180 SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
181 "mbuf_collapse_err", CTLFLAG_RD,
182 &tx_stats->collapse_err,
183 "Mbuf collapse failures");
184
185 /* RX specific stats */
186 rx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO,
187 "rx_ring", CTLFLAG_RD, NULL, "RX ring");
188 rx_list = SYSCTL_CHILDREN(rx_node);
189
190 rx_stats = &rx_ring->rx_stats;
191
192 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
193 "count", CTLFLAG_RD,
194 &rx_stats->cnt, "Packets received");
195 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
196 "bytes", CTLFLAG_RD,
197 &rx_stats->bytes, "Bytes received");
198 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
199 "refil_partial", CTLFLAG_RD,
200 &rx_stats->refil_partial, "Partial refilled mbufs");
201 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
202 "bad_csum", CTLFLAG_RD,
203 &rx_stats->bad_csum, "Bad RX checksum");
204 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
205 "mbuf_alloc_fail", CTLFLAG_RD,
206 &rx_stats->mbuf_alloc_fail, "Failed mbuf allocs");
207 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
208 "mjum_alloc_fail", CTLFLAG_RD,
209 &rx_stats->mjum_alloc_fail, "Failed jumbo mbuf allocs");
210 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
211 "dma_mapping_err", CTLFLAG_RD,
212 &rx_stats->dma_mapping_err, "DMA mapping errors");
213 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
214 "bad_desc_num", CTLFLAG_RD,
215 &rx_stats->bad_desc_num, "Bad descriptor count");
216 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
217 "bad_req_id", CTLFLAG_RD,
218 &rx_stats->bad_req_id, "Bad request id count");
219 SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
220 "empty_rx_ring", CTLFLAG_RD,
221 &rx_stats->empty_rx_ring, "RX descriptors depletion count");
222 }
223
224 /* Stats read from device */
225 hw_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hw_stats",
226 CTLFLAG_RD, NULL, "Statistics from hardware");
227 hw_list = SYSCTL_CHILDREN(hw_node);
228
229 SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_packets", CTLFLAG_RD,
230 &hw_stats->rx_packets, "Packets received");
231 SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "tx_packets", CTLFLAG_RD,
232 &hw_stats->tx_packets, "Packets transmitted");
233 SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_bytes", CTLFLAG_RD,
234 &hw_stats->rx_bytes, "Bytes received");
235 SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "tx_bytes", CTLFLAG_RD,
236 &hw_stats->tx_bytes, "Bytes transmitted");
237 SYSCTL_ADD_COUNTER_U64(ctx, hw_list, OID_AUTO, "rx_drops", CTLFLAG_RD,
238 &hw_stats->rx_drops, "Receive packet drops");
239
240 /* ENA Admin queue stats */
241 admin_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "admin_stats",
242 CTLFLAG_RD, NULL, "ENA Admin Queue statistics");
243 admin_list = SYSCTL_CHILDREN(admin_node);
244
245 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "aborted_cmd", CTLFLAG_RD,
246 &admin_stats->aborted_cmd, "Aborted commands");
247 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "sumbitted_cmd", CTLFLAG_RD,
248 &admin_stats->submitted_cmd, "Submitted commands");
249 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "completed_cmd", CTLFLAG_RD,
250 &admin_stats->completed_cmd, "Completed commands");
251 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "out_of_space", CTLFLAG_RD,
252 &admin_stats->out_of_space, "Queue out of space");
253 SYSCTL_ADD_U32(ctx, admin_list, OID_AUTO, "no_completion", CTLFLAG_RD,
254 &admin_stats->no_completion, "Commands not completed");
255 }
256 #endif
257