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
13 static 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
32 static 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
124 static 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
140 static 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
155 #define IONIC_NUM_LIF_STATS ARRAY_SIZE(ionic_lif_stats_desc)
156 #define IONIC_NUM_PORT_STATS ARRAY_SIZE(ionic_port_stats_desc)
157 #define IONIC_NUM_TX_STATS ARRAY_SIZE(ionic_tx_stats_desc)
158 #define IONIC_NUM_RX_STATS ARRAY_SIZE(ionic_rx_stats_desc)
159
160 #define MAX_Q(lif) ((lif)->netdev->real_num_tx_queues)
161
ionic_add_lif_txq_stats(struct ionic_lif * lif,int q_num,struct ionic_lif_sw_stats * stats)162 static void ionic_add_lif_txq_stats(struct ionic_lif *lif, int q_num,
163 struct ionic_lif_sw_stats *stats)
164 {
165 struct ionic_tx_stats *txstats = &lif->txqstats[q_num];
166
167 stats->tx_packets += txstats->pkts;
168 stats->tx_bytes += txstats->bytes;
169 stats->tx_tso += txstats->tso;
170 stats->tx_tso_bytes += txstats->tso_bytes;
171 stats->tx_csum_none += txstats->csum_none;
172 stats->tx_csum += txstats->csum;
173 stats->tx_hwstamp_valid += txstats->hwstamp_valid;
174 stats->tx_hwstamp_invalid += txstats->hwstamp_invalid;
175 }
176
ionic_add_lif_rxq_stats(struct ionic_lif * lif,int q_num,struct ionic_lif_sw_stats * stats)177 static void ionic_add_lif_rxq_stats(struct ionic_lif *lif, int q_num,
178 struct ionic_lif_sw_stats *stats)
179 {
180 struct ionic_rx_stats *rxstats = &lif->rxqstats[q_num];
181
182 stats->rx_packets += rxstats->pkts;
183 stats->rx_bytes += rxstats->bytes;
184 stats->rx_csum_none += rxstats->csum_none;
185 stats->rx_csum_complete += rxstats->csum_complete;
186 stats->rx_csum_error += rxstats->csum_error;
187 stats->rx_hwstamp_valid += rxstats->hwstamp_valid;
188 stats->rx_hwstamp_invalid += rxstats->hwstamp_invalid;
189 }
190
ionic_get_lif_stats(struct ionic_lif * lif,struct ionic_lif_sw_stats * stats)191 static void ionic_get_lif_stats(struct ionic_lif *lif,
192 struct ionic_lif_sw_stats *stats)
193 {
194 struct rtnl_link_stats64 ns;
195 int q_num;
196
197 memset(stats, 0, sizeof(*stats));
198
199 for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
200 ionic_add_lif_txq_stats(lif, q_num, stats);
201 ionic_add_lif_rxq_stats(lif, q_num, stats);
202 }
203
204 if (lif->hwstamp_txq)
205 ionic_add_lif_txq_stats(lif, lif->hwstamp_txq->q.index, stats);
206
207 if (lif->hwstamp_rxq)
208 ionic_add_lif_rxq_stats(lif, lif->hwstamp_rxq->q.index, stats);
209
210 ionic_get_stats64(lif->netdev, &ns);
211 stats->hw_tx_dropped = ns.tx_dropped;
212 stats->hw_rx_dropped = ns.rx_dropped;
213 stats->hw_rx_over_errors = ns.rx_over_errors;
214 stats->hw_rx_missed_errors = ns.rx_missed_errors;
215 stats->hw_tx_aborted_errors = ns.tx_aborted_errors;
216 }
217
ionic_sw_stats_get_count(struct ionic_lif * lif)218 static u64 ionic_sw_stats_get_count(struct ionic_lif *lif)
219 {
220 u64 total = 0, tx_queues = MAX_Q(lif), rx_queues = MAX_Q(lif);
221
222 if (lif->hwstamp_txq)
223 tx_queues += 1;
224
225 if (lif->hwstamp_rxq)
226 rx_queues += 1;
227
228 total += IONIC_NUM_LIF_STATS;
229 total += IONIC_NUM_PORT_STATS;
230
231 total += tx_queues * IONIC_NUM_TX_STATS;
232 total += rx_queues * IONIC_NUM_RX_STATS;
233
234 return total;
235 }
236
ionic_sw_stats_get_tx_strings(struct ionic_lif * lif,u8 ** buf,int q_num)237 static void ionic_sw_stats_get_tx_strings(struct ionic_lif *lif, u8 **buf,
238 int q_num)
239 {
240 int i;
241
242 for (i = 0; i < IONIC_NUM_TX_STATS; i++)
243 ethtool_sprintf(buf, "tx_%d_%s", q_num,
244 ionic_tx_stats_desc[i].name);
245 }
246
ionic_sw_stats_get_rx_strings(struct ionic_lif * lif,u8 ** buf,int q_num)247 static void ionic_sw_stats_get_rx_strings(struct ionic_lif *lif, u8 **buf,
248 int q_num)
249 {
250 int i;
251
252 for (i = 0; i < IONIC_NUM_RX_STATS; i++)
253 ethtool_sprintf(buf, "rx_%d_%s", q_num,
254 ionic_rx_stats_desc[i].name);
255 }
256
ionic_sw_stats_get_strings(struct ionic_lif * lif,u8 ** buf)257 static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf)
258 {
259 int i, q_num;
260
261 for (i = 0; i < IONIC_NUM_LIF_STATS; i++)
262 ethtool_sprintf(buf, ionic_lif_stats_desc[i].name);
263
264 for (i = 0; i < IONIC_NUM_PORT_STATS; i++)
265 ethtool_sprintf(buf, ionic_port_stats_desc[i].name);
266
267 for (q_num = 0; q_num < MAX_Q(lif); q_num++)
268 ionic_sw_stats_get_tx_strings(lif, buf, q_num);
269
270 if (lif->hwstamp_txq)
271 ionic_sw_stats_get_tx_strings(lif, buf, lif->hwstamp_txq->q.index);
272
273 for (q_num = 0; q_num < MAX_Q(lif); q_num++)
274 ionic_sw_stats_get_rx_strings(lif, buf, q_num);
275
276 if (lif->hwstamp_rxq)
277 ionic_sw_stats_get_rx_strings(lif, buf, lif->hwstamp_rxq->q.index);
278 }
279
ionic_sw_stats_get_txq_values(struct ionic_lif * lif,u64 ** buf,int q_num)280 static void ionic_sw_stats_get_txq_values(struct ionic_lif *lif, u64 **buf,
281 int q_num)
282 {
283 struct ionic_tx_stats *txstats;
284 int i;
285
286 txstats = &lif->txqstats[q_num];
287
288 for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
289 **buf = IONIC_READ_STAT64(txstats, &ionic_tx_stats_desc[i]);
290 (*buf)++;
291 }
292 }
293
ionic_sw_stats_get_rxq_values(struct ionic_lif * lif,u64 ** buf,int q_num)294 static void ionic_sw_stats_get_rxq_values(struct ionic_lif *lif, u64 **buf,
295 int q_num)
296 {
297 struct ionic_rx_stats *rxstats;
298 int i;
299
300 rxstats = &lif->rxqstats[q_num];
301
302 for (i = 0; i < IONIC_NUM_RX_STATS; i++) {
303 **buf = IONIC_READ_STAT64(rxstats, &ionic_rx_stats_desc[i]);
304 (*buf)++;
305 }
306 }
307
ionic_sw_stats_get_values(struct ionic_lif * lif,u64 ** buf)308 static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf)
309 {
310 struct ionic_port_stats *port_stats;
311 struct ionic_lif_sw_stats lif_stats;
312 int i, q_num;
313
314 ionic_get_lif_stats(lif, &lif_stats);
315
316 for (i = 0; i < IONIC_NUM_LIF_STATS; i++) {
317 **buf = IONIC_READ_STAT64(&lif_stats, &ionic_lif_stats_desc[i]);
318 (*buf)++;
319 }
320
321 port_stats = &lif->ionic->idev.port_info->stats;
322 for (i = 0; i < IONIC_NUM_PORT_STATS; i++) {
323 **buf = IONIC_READ_STAT_LE64(port_stats,
324 &ionic_port_stats_desc[i]);
325 (*buf)++;
326 }
327
328 for (q_num = 0; q_num < MAX_Q(lif); q_num++)
329 ionic_sw_stats_get_txq_values(lif, buf, q_num);
330
331 if (lif->hwstamp_txq)
332 ionic_sw_stats_get_txq_values(lif, buf, lif->hwstamp_txq->q.index);
333
334 for (q_num = 0; q_num < MAX_Q(lif); q_num++)
335 ionic_sw_stats_get_rxq_values(lif, buf, q_num);
336
337 if (lif->hwstamp_rxq)
338 ionic_sw_stats_get_rxq_values(lif, buf, lif->hwstamp_rxq->q.index);
339 }
340
341 const struct ionic_stats_group_intf ionic_stats_groups[] = {
342 /* SW Stats group */
343 {
344 .get_strings = ionic_sw_stats_get_strings,
345 .get_values = ionic_sw_stats_get_values,
346 .get_count = ionic_sw_stats_get_count,
347 },
348 /* Add more stat groups here */
349 };
350
351 const int ionic_num_stats_grps = ARRAY_SIZE(ionic_stats_groups);
352