1 /*
2 * Copyright (c) 2007, 2014 Mellanox Technologies. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 *
32 */
33
34 #include <sys/types.h>
35 #include <linux/if_vlan.h>
36
37 #include <dev/mlx4/device.h>
38 #include <dev/mlx4/cmd.h>
39
40 #include "en_port.h"
41 #include "en.h"
42
43
mlx4_SET_VLAN_FLTR(struct mlx4_dev * dev,struct mlx4_en_priv * priv)44 int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv)
45 {
46 struct mlx4_cmd_mailbox *mailbox;
47 struct mlx4_set_vlan_fltr_mbox *filter;
48 int i;
49 int j;
50 int index = 0;
51 u32 entry;
52 int err = 0;
53
54 mailbox = mlx4_alloc_cmd_mailbox(dev);
55 if (IS_ERR(mailbox))
56 return PTR_ERR(mailbox);
57
58 filter = mailbox->buf;
59 for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) {
60 entry = 0;
61 for (j = 0; j < 32; j++) {
62 if (test_bit(index, priv->active_vlans))
63 entry |= 1 << j;
64 index++;
65 }
66 filter->entry[i] = cpu_to_be32(entry);
67 }
68 err = mlx4_cmd(dev, mailbox->dma, priv->port, 0, MLX4_CMD_SET_VLAN_FLTR,
69 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
70 mlx4_free_cmd_mailbox(dev, mailbox);
71 return err;
72 }
73
mlx4_en_QUERY_PORT(struct mlx4_en_dev * mdev,u8 port)74 int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
75 {
76 struct mlx4_en_query_port_context *qport_context;
77 struct mlx4_en_priv *priv = mlx4_netdev_priv(mdev->pndev[port]);
78 struct mlx4_en_port_state *state = &priv->port_state;
79 struct mlx4_cmd_mailbox *mailbox;
80 int err;
81
82 mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
83 if (IS_ERR(mailbox))
84 return PTR_ERR(mailbox);
85 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
86 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
87 MLX4_CMD_WRAPPED);
88 if (err)
89 goto out;
90 qport_context = mailbox->buf;
91
92 /* This command is always accessed from Ethtool context
93 * already synchronized, no need in locking */
94 state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
95 switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) {
96 case MLX4_EN_100M_SPEED:
97 state->link_speed = 100;
98 break;
99 case MLX4_EN_1G_SPEED:
100 state->link_speed = 1000;
101 break;
102 case MLX4_EN_10G_SPEED_XAUI:
103 case MLX4_EN_10G_SPEED_XFI:
104 state->link_speed = 10000;
105 break;
106 case MLX4_EN_20G_SPEED:
107 state->link_speed = 20000;
108 break;
109 case MLX4_EN_40G_SPEED:
110 state->link_speed = 40000;
111 break;
112 case MLX4_EN_56G_SPEED:
113 state->link_speed = 56000;
114 break;
115 default:
116 state->link_speed = -1;
117 break;
118 }
119
120 state->transceiver = qport_context->transceiver;
121
122 state->flags = 0; /* Reset and recalculate the port flags */
123 state->flags |= (qport_context->link_up & MLX4_EN_ANC_MASK) ?
124 MLX4_EN_PORT_ANC : 0;
125 state->flags |= (qport_context->autoneg & MLX4_EN_AUTONEG_MASK) ?
126 MLX4_EN_PORT_ANE : 0;
127
128 out:
129 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
130 return err;
131 }
132
133 /* Each counter set is located in struct mlx4_en_stat_out_mbox
134 * with a const offset between its prio components.
135 * This function runs over a counter set and sum all of it's prio components.
136 */
en_stats_adder(__be64 * start,__be64 * next,int num)137 static u64 en_stats_adder(__be64 *start, __be64 *next, int num)
138 {
139 __be64 *curr = start;
140 u64 ret = 0;
141 int i;
142 int offset = next - start;
143
144 for (i = 0; i < num; i++) {
145 ret += be64_to_cpu(*curr);
146 curr += offset;
147 }
148
149 return ret;
150 }
151
mlx4_en_fold_software_stats(if_t dev)152 static void mlx4_en_fold_software_stats(if_t dev)
153 {
154 struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
155 struct mlx4_en_dev *mdev = priv->mdev;
156 u64 packets, bytes;
157 int i;
158
159 if (!priv->port_up || mlx4_is_master(mdev->dev))
160 return;
161
162 packets = 0;
163 bytes = 0;
164 for (i = 0; i < priv->rx_ring_num; i++) {
165 const struct mlx4_en_rx_ring *ring = priv->rx_ring[i];
166
167 packets += READ_ONCE(ring->packets);
168 bytes += READ_ONCE(ring->bytes);
169 }
170 priv->pkstats.rx_packets = packets;
171 priv->pkstats.rx_bytes = bytes;
172
173 packets = 0;
174 bytes = 0;
175 for (i = 0; i < priv->tx_ring_num; i++) {
176 const struct mlx4_en_tx_ring *ring = priv->tx_ring[i];
177
178 packets += READ_ONCE(ring->packets);
179 bytes += READ_ONCE(ring->bytes);
180 }
181 priv->pkstats.tx_packets = packets;
182 priv->pkstats.tx_bytes = bytes;
183 }
184
mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev * mdev,u8 port,u8 reset)185 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
186 {
187 struct mlx4_counter tmp_vport_stats;
188 struct mlx4_en_stat_out_mbox *mlx4_en_stats;
189 struct mlx4_en_stat_out_flow_control_mbox *flowstats;
190 if_t dev = mdev->pndev[port];
191 struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
192 struct mlx4_en_vport_stats *vport_stats = &priv->vport_stats;
193 struct mlx4_cmd_mailbox *mailbox;
194 u64 in_mod = reset << 8 | port;
195 int err;
196 int i, counter_index;
197
198 mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
199 if (IS_ERR(mailbox))
200 return PTR_ERR(mailbox);
201 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
202 MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B,
203 MLX4_CMD_NATIVE);
204 if (err)
205 goto out;
206
207 mlx4_en_stats = mailbox->buf;
208
209 spin_lock(&priv->stats_lock);
210
211 priv->port_stats.rx_chksum_good = 0;
212 priv->port_stats.rx_chksum_none = 0;
213 for (i = 0; i < priv->rx_ring_num; i++) {
214 priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok;
215 priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none;
216 }
217 priv->port_stats.tx_chksum_offload = 0;
218 priv->port_stats.queue_stopped = 0;
219 priv->port_stats.wake_queue = 0;
220 priv->port_stats.oversized_packets = 0;
221 priv->port_stats.tso_packets = 0;
222 priv->port_stats.defrag_attempts = 0;
223
224 for (i = 0; i < priv->tx_ring_num; i++) {
225 const struct mlx4_en_tx_ring *ring;
226 ring = priv->tx_ring[i];
227
228 priv->port_stats.tx_chksum_offload += ring->tx_csum;
229 priv->port_stats.queue_stopped += ring->queue_stopped;
230 priv->port_stats.wake_queue += ring->wake_queue;
231 priv->port_stats.oversized_packets += ring->oversized_packets;
232 priv->port_stats.tso_packets += ring->tso_packets;
233 priv->port_stats.defrag_attempts += ring->defrag_attempts;
234 }
235
236 priv->pkstats.rx_errors =
237 be64_to_cpu(mlx4_en_stats->PCS) +
238 be32_to_cpu(mlx4_en_stats->RJBBR) +
239 be32_to_cpu(mlx4_en_stats->RCRC) +
240 be32_to_cpu(mlx4_en_stats->RRUNT) +
241 be64_to_cpu(mlx4_en_stats->RInRangeLengthErr) +
242 be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr) +
243 be32_to_cpu(mlx4_en_stats->RSHORT) +
244 en_stats_adder(&mlx4_en_stats->RGIANT_prio_0,
245 &mlx4_en_stats->RGIANT_prio_1,
246 NUM_PRIORITIES);
247 priv->pkstats.tx_errors =
248 en_stats_adder(&mlx4_en_stats->TGIANT_prio_0,
249 &mlx4_en_stats->TGIANT_prio_1,
250 NUM_PRIORITIES);
251 priv->pkstats.rx_multicast_packets =
252 en_stats_adder(&mlx4_en_stats->MCAST_prio_0,
253 &mlx4_en_stats->MCAST_prio_1,
254 NUM_PRIORITIES);
255 priv->pkstats.rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP);
256 priv->pkstats.rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
257 priv->pkstats.rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
258 priv->pkstats.rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
259 priv->pkstats.tx_dropped = be32_to_cpu(mlx4_en_stats->TDROP);
260
261 /* RX stats */
262 priv->pkstats.rx_packets = en_stats_adder(&mlx4_en_stats->RTOT_prio_0,
263 &mlx4_en_stats->RTOT_prio_1,
264 NUM_PRIORITIES);
265 priv->pkstats.rx_bytes = en_stats_adder(&mlx4_en_stats->ROCT_prio_0,
266 &mlx4_en_stats->ROCT_prio_1,
267 NUM_PRIORITIES);
268 priv->pkstats.rx_broadcast_packets =
269 en_stats_adder(&mlx4_en_stats->RBCAST_prio_0,
270 &mlx4_en_stats->RBCAST_prio_1,
271 NUM_PRIORITIES);
272 priv->pkstats.rx_jabbers = be32_to_cpu(mlx4_en_stats->RJBBR);
273 priv->pkstats.rx_in_range_length_error =
274 be64_to_cpu(mlx4_en_stats->RInRangeLengthErr);
275 priv->pkstats.rx_out_range_length_error =
276 be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr);
277
278 /* Tx stats */
279 priv->pkstats.tx_packets = en_stats_adder(&mlx4_en_stats->TTOT_prio_0,
280 &mlx4_en_stats->TTOT_prio_1,
281 NUM_PRIORITIES);
282 priv->pkstats.tx_bytes = en_stats_adder(&mlx4_en_stats->TOCT_prio_0,
283 &mlx4_en_stats->TOCT_prio_1,
284 NUM_PRIORITIES);
285 priv->pkstats.tx_multicast_packets =
286 en_stats_adder(&mlx4_en_stats->TMCAST_prio_0,
287 &mlx4_en_stats->TMCAST_prio_1,
288 NUM_PRIORITIES);
289 priv->pkstats.tx_broadcast_packets =
290 en_stats_adder(&mlx4_en_stats->TBCAST_prio_0,
291 &mlx4_en_stats->TBCAST_prio_1,
292 NUM_PRIORITIES);
293
294 priv->pkstats.rx_prio[0][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
295 priv->pkstats.rx_prio[0][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_0);
296 priv->pkstats.rx_prio[1][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
297 priv->pkstats.rx_prio[1][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_1);
298 priv->pkstats.rx_prio[2][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
299 priv->pkstats.rx_prio[2][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_2);
300 priv->pkstats.rx_prio[3][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
301 priv->pkstats.rx_prio[3][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_3);
302 priv->pkstats.rx_prio[4][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
303 priv->pkstats.rx_prio[4][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_4);
304 priv->pkstats.rx_prio[5][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
305 priv->pkstats.rx_prio[5][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_5);
306 priv->pkstats.rx_prio[6][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
307 priv->pkstats.rx_prio[6][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_6);
308 priv->pkstats.rx_prio[7][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
309 priv->pkstats.rx_prio[7][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_7);
310 priv->pkstats.rx_prio[8][0] = be64_to_cpu(mlx4_en_stats->RTOT_novlan);
311 priv->pkstats.rx_prio[8][1] = be64_to_cpu(mlx4_en_stats->ROCT_novlan);
312 priv->pkstats.tx_prio[0][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
313 priv->pkstats.tx_prio[0][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_0);
314 priv->pkstats.tx_prio[1][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
315 priv->pkstats.tx_prio[1][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_1);
316 priv->pkstats.tx_prio[2][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
317 priv->pkstats.tx_prio[2][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_2);
318 priv->pkstats.tx_prio[3][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
319 priv->pkstats.tx_prio[3][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_3);
320 priv->pkstats.tx_prio[4][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
321 priv->pkstats.tx_prio[4][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_4);
322 priv->pkstats.tx_prio[5][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
323 priv->pkstats.tx_prio[5][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_5);
324 priv->pkstats.tx_prio[6][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
325 priv->pkstats.tx_prio[6][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_6);
326 priv->pkstats.tx_prio[7][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
327 priv->pkstats.tx_prio[7][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_7);
328 priv->pkstats.tx_prio[8][0] = be64_to_cpu(mlx4_en_stats->TTOT_novlan);
329 priv->pkstats.tx_prio[8][1] = be64_to_cpu(mlx4_en_stats->TOCT_novlan);
330
331 mlx4_en_fold_software_stats(dev);
332
333 spin_unlock(&priv->stats_lock);
334
335 memset(&tmp_vport_stats, 0, sizeof(tmp_vport_stats));
336 counter_index = mlx4_get_default_counter_index(mdev->dev, port);
337 err = mlx4_get_counter_stats(mdev->dev, counter_index,
338 &tmp_vport_stats, reset);
339
340 spin_lock(&priv->stats_lock);
341 if (!err) {
342 /* ethtool stats format */
343 vport_stats->rx_bytes = be64_to_cpu(tmp_vport_stats.rx_bytes);
344 vport_stats->rx_frames = be64_to_cpu(tmp_vport_stats.rx_frames);
345 vport_stats->tx_bytes = be64_to_cpu(tmp_vport_stats.tx_bytes);
346 vport_stats->tx_frames = be64_to_cpu(tmp_vport_stats.tx_frames);
347 }
348
349 if (reset == 0) {
350 if_inc_counter(dev, IFCOUNTER_IPACKETS,
351 priv->pkstats.rx_packets - priv->pkstats_last.rx_packets);
352 if_inc_counter(dev, IFCOUNTER_OPACKETS,
353 priv->pkstats.tx_packets - priv->pkstats_last.tx_packets);
354 if_inc_counter(dev, IFCOUNTER_IBYTES,
355 priv->pkstats.rx_bytes - priv->pkstats_last.rx_bytes);
356 if_inc_counter(dev, IFCOUNTER_OBYTES,
357 priv->pkstats.tx_bytes - priv->pkstats_last.tx_bytes);
358 if_inc_counter(dev, IFCOUNTER_IERRORS,
359 priv->pkstats.rx_errors - priv->pkstats_last.rx_errors);
360 if_inc_counter(dev, IFCOUNTER_IQDROPS,
361 priv->pkstats.rx_dropped - priv->pkstats_last.rx_dropped);
362 if_inc_counter(dev, IFCOUNTER_IMCASTS,
363 priv->pkstats.rx_multicast_packets - priv->pkstats_last.rx_multicast_packets);
364 if_inc_counter(dev, IFCOUNTER_OMCASTS,
365 priv->pkstats.tx_multicast_packets - priv->pkstats_last.tx_multicast_packets);
366 }
367 priv->pkstats_last = priv->pkstats;
368
369 spin_unlock(&priv->stats_lock);
370
371 /* 0xffs indicates invalid value */
372 memset(mailbox->buf, 0xff, sizeof(*flowstats) * MLX4_NUM_PRIORITIES);
373
374 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN) {
375 memset(mailbox->buf, 0,
376 sizeof(*flowstats) * MLX4_NUM_PRIORITIES);
377 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma,
378 in_mod | MLX4_DUMP_ETH_STATS_FLOW_CONTROL,
379 0, MLX4_CMD_DUMP_ETH_STATS,
380 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
381 if (err)
382 goto out;
383 }
384
385 flowstats = mailbox->buf;
386
387 spin_lock(&priv->stats_lock);
388
389 for (i = 0; i < MLX4_NUM_PRIORITIES; i++) {
390 priv->rx_priority_flowstats[i].rx_pause =
391 be64_to_cpu(flowstats[i].rx_pause);
392 priv->rx_priority_flowstats[i].rx_pause_duration =
393 be64_to_cpu(flowstats[i].rx_pause_duration);
394 priv->rx_priority_flowstats[i].rx_pause_transition =
395 be64_to_cpu(flowstats[i].rx_pause_transition);
396 priv->tx_priority_flowstats[i].tx_pause =
397 be64_to_cpu(flowstats[i].tx_pause);
398 priv->tx_priority_flowstats[i].tx_pause_duration =
399 be64_to_cpu(flowstats[i].tx_pause_duration);
400 priv->tx_priority_flowstats[i].tx_pause_transition =
401 be64_to_cpu(flowstats[i].tx_pause_transition);
402 }
403
404 /* if pfc is not in use, all priorities counters have the same value */
405 priv->rx_flowstats.rx_pause =
406 be64_to_cpu(flowstats[0].rx_pause);
407 priv->rx_flowstats.rx_pause_duration =
408 be64_to_cpu(flowstats[0].rx_pause_duration);
409 priv->rx_flowstats.rx_pause_transition =
410 be64_to_cpu(flowstats[0].rx_pause_transition);
411 priv->tx_flowstats.tx_pause =
412 be64_to_cpu(flowstats[0].tx_pause);
413 priv->tx_flowstats.tx_pause_duration =
414 be64_to_cpu(flowstats[0].tx_pause_duration);
415 priv->tx_flowstats.tx_pause_transition =
416 be64_to_cpu(flowstats[0].tx_pause_transition);
417
418 spin_unlock(&priv->stats_lock);
419
420 out:
421 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
422 return err;
423 }
424
mlx4_en_get_vport_stats(struct mlx4_en_dev * mdev,u8 port)425 int mlx4_en_get_vport_stats(struct mlx4_en_dev *mdev, u8 port)
426 {
427 struct mlx4_en_priv *priv = mlx4_netdev_priv(mdev->pndev[port]);
428 struct mlx4_counter tmp_vport_stats;
429 struct mlx4_en_vf_stats *vf_stats = &priv->vf_stats;
430 int err, i, counter_index;
431
432 spin_lock(&priv->stats_lock);
433
434 priv->pkstats.rx_packets = 0;
435 priv->pkstats.rx_bytes = 0;
436 priv->port_stats.rx_chksum_good = 0;
437 priv->port_stats.rx_chksum_none = 0;
438 for (i = 0; i < priv->rx_ring_num; i++) {
439 priv->pkstats.rx_packets += priv->rx_ring[i]->packets;
440 priv->pkstats.rx_bytes += priv->rx_ring[i]->bytes;
441 priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok;
442 priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none;
443 }
444 priv->pkstats.tx_packets = 0;
445 priv->pkstats.tx_bytes = 0;
446 priv->port_stats.tx_chksum_offload = 0;
447 priv->port_stats.queue_stopped = 0;
448 priv->port_stats.wake_queue = 0;
449
450 for (i = 0; i < priv->tx_ring_num; i++) {
451 const struct mlx4_en_tx_ring *ring = priv->tx_ring[i];
452
453 priv->pkstats.tx_packets += ring->packets;
454 priv->pkstats.tx_bytes += ring->bytes;
455 priv->port_stats.tx_chksum_offload += ring->tx_csum;
456 priv->port_stats.queue_stopped += ring->queue_stopped;
457 priv->port_stats.wake_queue += ring->wake_queue;
458 priv->port_stats.oversized_packets += priv->tx_ring[i]->oversized_packets;
459 }
460
461 spin_unlock(&priv->stats_lock);
462
463 memset(&tmp_vport_stats, 0, sizeof(tmp_vport_stats));
464
465 counter_index = mlx4_get_default_counter_index(mdev->dev, port);
466 err = mlx4_get_counter_stats(mdev->dev, counter_index,
467 &tmp_vport_stats, 0);
468
469 if (!err) {
470 spin_lock(&priv->stats_lock);
471
472 vf_stats->rx_bytes = be64_to_cpu(tmp_vport_stats.rx_bytes);
473 vf_stats->rx_frames = be64_to_cpu(tmp_vport_stats.rx_frames);
474 vf_stats->tx_bytes = be64_to_cpu(tmp_vport_stats.tx_bytes);
475 vf_stats->tx_frames = be64_to_cpu(tmp_vport_stats.tx_frames);
476
477 priv->pkstats.rx_packets = vf_stats->rx_frames;
478 priv->pkstats.rx_bytes = vf_stats->rx_bytes;
479 priv->pkstats.tx_packets = vf_stats->tx_frames;
480 priv->pkstats.tx_bytes = vf_stats->tx_bytes;
481
482 /* PF&VFs are not expected to report errors in ifconfig.
483 * rx_errors will be reprted in PF's ethtool statistics,
484 * see: mlx4_en_DUMP_ETH_STATS
485 */
486 priv->pkstats.rx_errors = 0;
487 priv->pkstats.rx_dropped = 0;
488 priv->pkstats.tx_dropped = 0;
489 priv->pkstats.rx_multicast_packets = 0;
490
491 spin_unlock(&priv->stats_lock);
492 }
493
494 return err;
495 }
496