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1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
3
4#include <linux/ethtool.h>
5#include <linux/kernel.h>
6#include <linux/mutex.h>
7#include <linux/netdevice.h>
8
9#include "ionic.h"
10#include "ionic_lif.h"
11#include "ionic_stats.h"
12
13static const struct ionic_stat_desc ionic_lif_stats_desc[] = {
14 IONIC_LIF_STAT_DESC(tx_packets),
15 IONIC_LIF_STAT_DESC(tx_bytes),
16 IONIC_LIF_STAT_DESC(rx_packets),
17 IONIC_LIF_STAT_DESC(rx_bytes),
18 IONIC_LIF_STAT_DESC(tx_tso),
19 IONIC_LIF_STAT_DESC(tx_tso_bytes),
20 IONIC_LIF_STAT_DESC(tx_csum_none),
21 IONIC_LIF_STAT_DESC(tx_csum),
22 IONIC_LIF_STAT_DESC(rx_csum_none),
23 IONIC_LIF_STAT_DESC(rx_csum_complete),
24 IONIC_LIF_STAT_DESC(rx_csum_error),
25 IONIC_LIF_STAT_DESC(hw_tx_dropped),
26 IONIC_LIF_STAT_DESC(hw_rx_dropped),
27 IONIC_LIF_STAT_DESC(hw_rx_over_errors),
28 IONIC_LIF_STAT_DESC(hw_rx_missed_errors),
29 IONIC_LIF_STAT_DESC(hw_tx_aborted_errors),
30};
31
32static const struct ionic_stat_desc ionic_port_stats_desc[] = {
33 IONIC_PORT_STAT_DESC(frames_rx_ok),
34 IONIC_PORT_STAT_DESC(frames_rx_all),
35 IONIC_PORT_STAT_DESC(frames_rx_bad_fcs),
36 IONIC_PORT_STAT_DESC(frames_rx_bad_all),
37 IONIC_PORT_STAT_DESC(octets_rx_ok),
38 IONIC_PORT_STAT_DESC(octets_rx_all),
39 IONIC_PORT_STAT_DESC(frames_rx_unicast),
40 IONIC_PORT_STAT_DESC(frames_rx_multicast),
41 IONIC_PORT_STAT_DESC(frames_rx_broadcast),
42 IONIC_PORT_STAT_DESC(frames_rx_pause),
43 IONIC_PORT_STAT_DESC(frames_rx_bad_length),
44 IONIC_PORT_STAT_DESC(frames_rx_undersized),
45 IONIC_PORT_STAT_DESC(frames_rx_oversized),
46 IONIC_PORT_STAT_DESC(frames_rx_fragments),
47 IONIC_PORT_STAT_DESC(frames_rx_jabber),
48 IONIC_PORT_STAT_DESC(frames_rx_pripause),
49 IONIC_PORT_STAT_DESC(frames_rx_stomped_crc),
50 IONIC_PORT_STAT_DESC(frames_rx_too_long),
51 IONIC_PORT_STAT_DESC(frames_rx_vlan_good),
52 IONIC_PORT_STAT_DESC(frames_rx_dropped),
53 IONIC_PORT_STAT_DESC(frames_rx_less_than_64b),
54 IONIC_PORT_STAT_DESC(frames_rx_64b),
55 IONIC_PORT_STAT_DESC(frames_rx_65b_127b),
56 IONIC_PORT_STAT_DESC(frames_rx_128b_255b),
57 IONIC_PORT_STAT_DESC(frames_rx_256b_511b),
58 IONIC_PORT_STAT_DESC(frames_rx_512b_1023b),
59 IONIC_PORT_STAT_DESC(frames_rx_1024b_1518b),
60 IONIC_PORT_STAT_DESC(frames_rx_1519b_2047b),
61 IONIC_PORT_STAT_DESC(frames_rx_2048b_4095b),
62 IONIC_PORT_STAT_DESC(frames_rx_4096b_8191b),
63 IONIC_PORT_STAT_DESC(frames_rx_8192b_9215b),
64 IONIC_PORT_STAT_DESC(frames_rx_other),
65 IONIC_PORT_STAT_DESC(frames_tx_ok),
66 IONIC_PORT_STAT_DESC(frames_tx_all),
67 IONIC_PORT_STAT_DESC(frames_tx_bad),
68 IONIC_PORT_STAT_DESC(octets_tx_ok),
69 IONIC_PORT_STAT_DESC(octets_tx_total),
70 IONIC_PORT_STAT_DESC(frames_tx_unicast),
71 IONIC_PORT_STAT_DESC(frames_tx_multicast),
72 IONIC_PORT_STAT_DESC(frames_tx_broadcast),
73 IONIC_PORT_STAT_DESC(frames_tx_pause),
74 IONIC_PORT_STAT_DESC(frames_tx_pripause),
75 IONIC_PORT_STAT_DESC(frames_tx_vlan),
76 IONIC_PORT_STAT_DESC(frames_tx_less_than_64b),
77 IONIC_PORT_STAT_DESC(frames_tx_64b),
78 IONIC_PORT_STAT_DESC(frames_tx_65b_127b),
79 IONIC_PORT_STAT_DESC(frames_tx_128b_255b),
80 IONIC_PORT_STAT_DESC(frames_tx_256b_511b),
81 IONIC_PORT_STAT_DESC(frames_tx_512b_1023b),
82 IONIC_PORT_STAT_DESC(frames_tx_1024b_1518b),
83 IONIC_PORT_STAT_DESC(frames_tx_1519b_2047b),
84 IONIC_PORT_STAT_DESC(frames_tx_2048b_4095b),
85 IONIC_PORT_STAT_DESC(frames_tx_4096b_8191b),
86 IONIC_PORT_STAT_DESC(frames_tx_8192b_9215b),
87 IONIC_PORT_STAT_DESC(frames_tx_other),
88 IONIC_PORT_STAT_DESC(frames_tx_pri_0),
89 IONIC_PORT_STAT_DESC(frames_tx_pri_1),
90 IONIC_PORT_STAT_DESC(frames_tx_pri_2),
91 IONIC_PORT_STAT_DESC(frames_tx_pri_3),
92 IONIC_PORT_STAT_DESC(frames_tx_pri_4),
93 IONIC_PORT_STAT_DESC(frames_tx_pri_5),
94 IONIC_PORT_STAT_DESC(frames_tx_pri_6),
95 IONIC_PORT_STAT_DESC(frames_tx_pri_7),
96 IONIC_PORT_STAT_DESC(frames_rx_pri_0),
97 IONIC_PORT_STAT_DESC(frames_rx_pri_1),
98 IONIC_PORT_STAT_DESC(frames_rx_pri_2),
99 IONIC_PORT_STAT_DESC(frames_rx_pri_3),
100 IONIC_PORT_STAT_DESC(frames_rx_pri_4),
101 IONIC_PORT_STAT_DESC(frames_rx_pri_5),
102 IONIC_PORT_STAT_DESC(frames_rx_pri_6),
103 IONIC_PORT_STAT_DESC(frames_rx_pri_7),
104 IONIC_PORT_STAT_DESC(tx_pripause_0_1us_count),
105 IONIC_PORT_STAT_DESC(tx_pripause_1_1us_count),
106 IONIC_PORT_STAT_DESC(tx_pripause_2_1us_count),
107 IONIC_PORT_STAT_DESC(tx_pripause_3_1us_count),
108 IONIC_PORT_STAT_DESC(tx_pripause_4_1us_count),
109 IONIC_PORT_STAT_DESC(tx_pripause_5_1us_count),
110 IONIC_PORT_STAT_DESC(tx_pripause_6_1us_count),
111 IONIC_PORT_STAT_DESC(tx_pripause_7_1us_count),
112 IONIC_PORT_STAT_DESC(rx_pripause_0_1us_count),
113 IONIC_PORT_STAT_DESC(rx_pripause_1_1us_count),
114 IONIC_PORT_STAT_DESC(rx_pripause_2_1us_count),
115 IONIC_PORT_STAT_DESC(rx_pripause_3_1us_count),
116 IONIC_PORT_STAT_DESC(rx_pripause_4_1us_count),
117 IONIC_PORT_STAT_DESC(rx_pripause_5_1us_count),
118 IONIC_PORT_STAT_DESC(rx_pripause_6_1us_count),
119 IONIC_PORT_STAT_DESC(rx_pripause_7_1us_count),
120 IONIC_PORT_STAT_DESC(rx_pause_1us_count),
121 IONIC_PORT_STAT_DESC(frames_tx_truncated),
122};
123
124static const struct ionic_stat_desc ionic_tx_stats_desc[] = {
125 IONIC_TX_STAT_DESC(pkts),
126 IONIC_TX_STAT_DESC(bytes),
127 IONIC_TX_STAT_DESC(clean),
128 IONIC_TX_STAT_DESC(dma_map_err),
129 IONIC_TX_STAT_DESC(linearize),
130 IONIC_TX_STAT_DESC(frags),
131 IONIC_TX_STAT_DESC(tso),
132 IONIC_TX_STAT_DESC(tso_bytes),
133 IONIC_TX_STAT_DESC(hwstamp_valid),
134 IONIC_TX_STAT_DESC(hwstamp_invalid),
135 IONIC_TX_STAT_DESC(csum_none),
136 IONIC_TX_STAT_DESC(csum),
137 IONIC_TX_STAT_DESC(vlan_inserted),
138};
139
140static const struct ionic_stat_desc ionic_rx_stats_desc[] = {
141 IONIC_RX_STAT_DESC(pkts),
142 IONIC_RX_STAT_DESC(bytes),
143 IONIC_RX_STAT_DESC(dma_map_err),
144 IONIC_RX_STAT_DESC(alloc_err),
145 IONIC_RX_STAT_DESC(csum_none),
146 IONIC_RX_STAT_DESC(csum_complete),
147 IONIC_RX_STAT_DESC(csum_error),
148 IONIC_RX_STAT_DESC(hwstamp_valid),
149 IONIC_RX_STAT_DESC(hwstamp_invalid),
150 IONIC_RX_STAT_DESC(dropped),
151 IONIC_RX_STAT_DESC(vlan_stripped),
152};
153
154#define IONIC_NUM_LIF_STATS ARRAY_SIZE(ionic_lif_stats_desc)
155#define IONIC_NUM_PORT_STATS ARRAY_SIZE(ionic_port_stats_desc)
156#define IONIC_NUM_TX_STATS ARRAY_SIZE(ionic_tx_stats_desc)
157#define IONIC_NUM_RX_STATS ARRAY_SIZE(ionic_rx_stats_desc)
158
159#define MAX_Q(lif) ((lif)->netdev->real_num_tx_queues)
160
161static void ionic_add_lif_txq_stats(struct ionic_lif *lif, int q_num,
162 struct ionic_lif_sw_stats *stats)
163{
164 struct ionic_tx_stats *txstats = &lif->txqstats[q_num];
165
166 stats->tx_packets += txstats->pkts;
167 stats->tx_bytes += txstats->bytes;
168 stats->tx_tso += txstats->tso;
169 stats->tx_tso_bytes += txstats->tso_bytes;
170 stats->tx_csum_none += txstats->csum_none;
171 stats->tx_csum += txstats->csum;
172 stats->tx_hwstamp_valid += txstats->hwstamp_valid;
173 stats->tx_hwstamp_invalid += txstats->hwstamp_invalid;
174}
175
176static void ionic_add_lif_rxq_stats(struct ionic_lif *lif, int q_num,
177 struct ionic_lif_sw_stats *stats)
178{
179 struct ionic_rx_stats *rxstats = &lif->rxqstats[q_num];
180
181 stats->rx_packets += rxstats->pkts;
182 stats->rx_bytes += rxstats->bytes;
183 stats->rx_csum_none += rxstats->csum_none;
184 stats->rx_csum_complete += rxstats->csum_complete;
185 stats->rx_csum_error += rxstats->csum_error;
186 stats->rx_hwstamp_valid += rxstats->hwstamp_valid;
187 stats->rx_hwstamp_invalid += rxstats->hwstamp_invalid;
188}
189
190static void ionic_get_lif_stats(struct ionic_lif *lif,
191 struct ionic_lif_sw_stats *stats)
192{
193 struct rtnl_link_stats64 ns;
194 int q_num;
195
196 memset(stats, 0, sizeof(*stats));
197
198 for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
199 ionic_add_lif_txq_stats(lif, q_num, stats);
200 ionic_add_lif_rxq_stats(lif, q_num, stats);
201 }
202
203 if (lif->hwstamp_txq)
204 ionic_add_lif_txq_stats(lif, lif->hwstamp_txq->q.index, stats);
205
206 if (lif->hwstamp_rxq)
207 ionic_add_lif_rxq_stats(lif, lif->hwstamp_rxq->q.index, stats);
208
209 ionic_get_stats64(lif->netdev, &ns);
210 stats->hw_tx_dropped = ns.tx_dropped;
211 stats->hw_rx_dropped = ns.rx_dropped;
212 stats->hw_rx_over_errors = ns.rx_over_errors;
213 stats->hw_rx_missed_errors = ns.rx_missed_errors;
214 stats->hw_tx_aborted_errors = ns.tx_aborted_errors;
215}
216
217static u64 ionic_sw_stats_get_count(struct ionic_lif *lif)
218{
219 u64 total = 0, tx_queues = MAX_Q(lif), rx_queues = MAX_Q(lif);
220
221 if (lif->hwstamp_txq)
222 tx_queues += 1;
223
224 if (lif->hwstamp_rxq)
225 rx_queues += 1;
226
227 total += IONIC_NUM_LIF_STATS;
228 total += IONIC_NUM_PORT_STATS;
229
230 total += tx_queues * IONIC_NUM_TX_STATS;
231 total += rx_queues * IONIC_NUM_RX_STATS;
232
233 return total;
234}
235
236static void ionic_sw_stats_get_tx_strings(struct ionic_lif *lif, u8 **buf,
237 int q_num)
238{
239 int i;
240
241 for (i = 0; i < IONIC_NUM_TX_STATS; i++)
242 ethtool_sprintf(buf, "tx_%d_%s", q_num,
243 ionic_tx_stats_desc[i].name);
244}
245
246static void ionic_sw_stats_get_rx_strings(struct ionic_lif *lif, u8 **buf,
247 int q_num)
248{
249 int i;
250
251 for (i = 0; i < IONIC_NUM_RX_STATS; i++)
252 ethtool_sprintf(buf, "rx_%d_%s", q_num,
253 ionic_rx_stats_desc[i].name);
254}
255
256static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf)
257{
258 int i, q_num;
259
260 for (i = 0; i < IONIC_NUM_LIF_STATS; i++)
261 ethtool_sprintf(buf, ionic_lif_stats_desc[i].name);
262
263 for (i = 0; i < IONIC_NUM_PORT_STATS; i++)
264 ethtool_sprintf(buf, ionic_port_stats_desc[i].name);
265
266 for (q_num = 0; q_num < MAX_Q(lif); q_num++)
267 ionic_sw_stats_get_tx_strings(lif, buf, q_num);
268
269 if (lif->hwstamp_txq)
270 ionic_sw_stats_get_tx_strings(lif, buf, lif->hwstamp_txq->q.index);
271
272 for (q_num = 0; q_num < MAX_Q(lif); q_num++)
273 ionic_sw_stats_get_rx_strings(lif, buf, q_num);
274
275 if (lif->hwstamp_rxq)
276 ionic_sw_stats_get_rx_strings(lif, buf, lif->hwstamp_rxq->q.index);
277}
278
279static void ionic_sw_stats_get_txq_values(struct ionic_lif *lif, u64 **buf,
280 int q_num)
281{
282 struct ionic_tx_stats *txstats;
283 int i;
284
285 txstats = &lif->txqstats[q_num];
286
287 for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
288 **buf = IONIC_READ_STAT64(txstats, &ionic_tx_stats_desc[i]);
289 (*buf)++;
290 }
291}
292
293static void ionic_sw_stats_get_rxq_values(struct ionic_lif *lif, u64 **buf,
294 int q_num)
295{
296 struct ionic_rx_stats *rxstats;
297 int i;
298
299 rxstats = &lif->rxqstats[q_num];
300
301 for (i = 0; i < IONIC_NUM_RX_STATS; i++) {
302 **buf = IONIC_READ_STAT64(rxstats, &ionic_rx_stats_desc[i]);
303 (*buf)++;
304 }
305}
306
307static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf)
308{
309 struct ionic_port_stats *port_stats;
310 struct ionic_lif_sw_stats lif_stats;
311 int i, q_num;
312
313 ionic_get_lif_stats(lif, &lif_stats);
314
315 for (i = 0; i < IONIC_NUM_LIF_STATS; i++) {
316 **buf = IONIC_READ_STAT64(&lif_stats, &ionic_lif_stats_desc[i]);
317 (*buf)++;
318 }
319
320 port_stats = &lif->ionic->idev.port_info->stats;
321 for (i = 0; i < IONIC_NUM_PORT_STATS; i++) {
322 **buf = IONIC_READ_STAT_LE64(port_stats,
323 &ionic_port_stats_desc[i]);
324 (*buf)++;
325 }
326
327 for (q_num = 0; q_num < MAX_Q(lif); q_num++)
328 ionic_sw_stats_get_txq_values(lif, buf, q_num);
329
330 if (lif->hwstamp_txq)
331 ionic_sw_stats_get_txq_values(lif, buf, lif->hwstamp_txq->q.index);
332
333 for (q_num = 0; q_num < MAX_Q(lif); q_num++)
334 ionic_sw_stats_get_rxq_values(lif, buf, q_num);
335
336 if (lif->hwstamp_rxq)
337 ionic_sw_stats_get_rxq_values(lif, buf, lif->hwstamp_rxq->q.index);
338}
339
340const struct ionic_stats_group_intf ionic_stats_groups[] = {
341 /* SW Stats group */
342 {
343 .get_strings = ionic_sw_stats_get_strings,
344 .get_values = ionic_sw_stats_get_values,
345 .get_count = ionic_sw_stats_get_count,
346 },
347 /* Add more stat groups here */
348};
349
350const int ionic_num_stats_grps = ARRAY_SIZE(ionic_stats_groups);