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[deliverable/linux.git] / drivers / net / vmxnet3 / vmxnet3_ethtool.c
CommitLineData
d1a890fa
SB		 1/*
2 * Linux driver for VMware's vmxnet3 ethernet NIC.
3 *
4 * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; version 2 of the License and no later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13 * NON INFRINGEMENT. See the GNU General Public License for more
14 * details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * The full GNU General Public License is included in this distribution in
21 * the file called "COPYING".
22 *
23 * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
24 *
25 */
26
27
28#include "vmxnet3_int.h"
29
30struct vmxnet3_stat_desc {
31 char desc[ETH_GSTRING_LEN];
32 int offset;
33};
34
35
36static u32
37vmxnet3_get_rx_csum(struct net_device *netdev)
38{
39 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
40 return adapter->rxcsum;
41}
42
43
44static int
45vmxnet3_set_rx_csum(struct net_device *netdev, u32 val)
46{
47 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
48
49 if (adapter->rxcsum != val) {
50 adapter->rxcsum = val;
51 if (netif_running(netdev)) {
52 if (val)
115924b6
SB		 53 set_flag_le64(
54 &adapter->shared->devRead.misc.uptFeatures,
55 UPT1_F_RXCSUM);
d1a890fa 56 else
115924b6
SB		 57 reset_flag_le64(
58 &adapter->shared->devRead.misc.uptFeatures,
59 UPT1_F_RXCSUM);
d1a890fa
SB		 60
61 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
62 VMXNET3_CMD_UPDATE_FEATURE);
63 }
64 }
65 return 0;
66}
67
68
69/* per tq stats maintained by the device */
70static const struct vmxnet3_stat_desc
71vmxnet3_tq_dev_stats[] = {
72 /* description, offset */
73 { "TSO pkts tx", offsetof(struct UPT1_TxStats, TSOPktsTxOK) },
74 { "TSO bytes tx", offsetof(struct UPT1_TxStats, TSOBytesTxOK) },
75 { "ucast pkts tx", offsetof(struct UPT1_TxStats, ucastPktsTxOK) },
76 { "ucast bytes tx", offsetof(struct UPT1_TxStats, ucastBytesTxOK) },
77 { "mcast pkts tx", offsetof(struct UPT1_TxStats, mcastPktsTxOK) },
78 { "mcast bytes tx", offsetof(struct UPT1_TxStats, mcastBytesTxOK) },
79 { "bcast pkts tx", offsetof(struct UPT1_TxStats, bcastPktsTxOK) },
80 { "bcast bytes tx", offsetof(struct UPT1_TxStats, bcastBytesTxOK) },
81 { "pkts tx err", offsetof(struct UPT1_TxStats, pktsTxError) },
82 { "pkts tx discard", offsetof(struct UPT1_TxStats, pktsTxDiscard) },
83};
84
85/* per tq stats maintained by the driver */
86static const struct vmxnet3_stat_desc
87vmxnet3_tq_driver_stats[] = {
88 /* description, offset */
89 {"drv dropped tx total", offsetof(struct vmxnet3_tq_driver_stats,
90 drop_total) },
91 { " too many frags", offsetof(struct vmxnet3_tq_driver_stats,
92 drop_too_many_frags) },
93 { " giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
94 drop_oversized_hdr) },
95 { " hdr err", offsetof(struct vmxnet3_tq_driver_stats,
96 drop_hdr_inspect_err) },
97 { " tso", offsetof(struct vmxnet3_tq_driver_stats,
98 drop_tso) },
99 { "ring full", offsetof(struct vmxnet3_tq_driver_stats,
100 tx_ring_full) },
101 { "pkts linearized", offsetof(struct vmxnet3_tq_driver_stats,
102 linearized) },
103 { "hdr cloned", offsetof(struct vmxnet3_tq_driver_stats,
104 copy_skb_header) },
105 { "giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
106 oversized_hdr) },
107};
108
109/* per rq stats maintained by the device */
110static const struct vmxnet3_stat_desc
111vmxnet3_rq_dev_stats[] = {
112 { "LRO pkts rx", offsetof(struct UPT1_RxStats, LROPktsRxOK) },
113 { "LRO byte rx", offsetof(struct UPT1_RxStats, LROBytesRxOK) },
114 { "ucast pkts rx", offsetof(struct UPT1_RxStats, ucastPktsRxOK) },
115 { "ucast bytes rx", offsetof(struct UPT1_RxStats, ucastBytesRxOK) },
116 { "mcast pkts rx", offsetof(struct UPT1_RxStats, mcastPktsRxOK) },
117 { "mcast bytes rx", offsetof(struct UPT1_RxStats, mcastBytesRxOK) },
118 { "bcast pkts rx", offsetof(struct UPT1_RxStats, bcastPktsRxOK) },
119 { "bcast bytes rx", offsetof(struct UPT1_RxStats, bcastBytesRxOK) },
120 { "pkts rx out of buf", offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) },
121 { "pkts rx err", offsetof(struct UPT1_RxStats, pktsRxError) },
122};
123
124/* per rq stats maintained by the driver */
125static const struct vmxnet3_stat_desc
126vmxnet3_rq_driver_stats[] = {
127 /* description, offset */
128 { "drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats,
129 drop_total) },
130 { " err", offsetof(struct vmxnet3_rq_driver_stats,
131 drop_err) },
132 { " fcs", offsetof(struct vmxnet3_rq_driver_stats,
133 drop_fcs) },
134 { "rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats,
135 rx_buf_alloc_failure) },
136};
137
138/* gloabl stats maintained by the driver */
139static const struct vmxnet3_stat_desc
140vmxnet3_global_stats[] = {
141 /* description, offset */
142 { "tx timeout count", offsetof(struct vmxnet3_adapter,
143 tx_timeout_count) }
144};
145
146
147struct net_device_stats *
148vmxnet3_get_stats(struct net_device *netdev)
149{
150 struct vmxnet3_adapter *adapter;
151 struct vmxnet3_tq_driver_stats *drvTxStats;
152 struct vmxnet3_rq_driver_stats *drvRxStats;
153 struct UPT1_TxStats *devTxStats;
154 struct UPT1_RxStats *devRxStats;
155 struct net_device_stats *net_stats = &netdev->stats;
156
157 adapter = netdev_priv(netdev);
158
159 /* Collect the dev stats into the shared area */
160 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
161
162 /* Assuming that we have a single queue device */
163 devTxStats = &adapter->tqd_start->stats;
164 devRxStats = &adapter->rqd_start->stats;
165
166 /* Get access to the driver stats per queue */
167 drvTxStats = &adapter->tx_queue.stats;
168 drvRxStats = &adapter->rx_queue.stats;
169
170 memset(net_stats, 0, sizeof(*net_stats));
171
172 net_stats->rx_packets = devRxStats->ucastPktsRxOK +
173 devRxStats->mcastPktsRxOK +
174 devRxStats->bcastPktsRxOK;
175
176 net_stats->tx_packets = devTxStats->ucastPktsTxOK +
177 devTxStats->mcastPktsTxOK +
178 devTxStats->bcastPktsTxOK;
179
180 net_stats->rx_bytes = devRxStats->ucastBytesRxOK +
181 devRxStats->mcastBytesRxOK +
182 devRxStats->bcastBytesRxOK;
183
184 net_stats->tx_bytes = devTxStats->ucastBytesTxOK +
185 devTxStats->mcastBytesTxOK +
186 devTxStats->bcastBytesTxOK;
187
188 net_stats->rx_errors = devRxStats->pktsRxError;
189 net_stats->tx_errors = devTxStats->pktsTxError;
190 net_stats->rx_dropped = drvRxStats->drop_total;
191 net_stats->tx_dropped = drvTxStats->drop_total;
192 net_stats->multicast = devRxStats->mcastPktsRxOK;
193
194 return net_stats;
195}
196
197static int
198vmxnet3_get_sset_count(struct net_device *netdev, int sset)
199{
200 switch (sset) {
201 case ETH_SS_STATS:
202 return ARRAY_SIZE(vmxnet3_tq_dev_stats) +
203 ARRAY_SIZE(vmxnet3_tq_driver_stats) +
204 ARRAY_SIZE(vmxnet3_rq_dev_stats) +
205 ARRAY_SIZE(vmxnet3_rq_driver_stats) +
206 ARRAY_SIZE(vmxnet3_global_stats);
207 default:
208 return -EOPNOTSUPP;
209 }
210}
211
212
213static int
214vmxnet3_get_regs_len(struct net_device *netdev)
215{
216 return 20 * sizeof(u32);
217}
218
219
220static void
221vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
222{
223 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
224
225 strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver));
226 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
227
228 strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
229 sizeof(drvinfo->version));
230 drvinfo->driver[sizeof(drvinfo->version) - 1] = '\0';
231
232 strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
233 drvinfo->fw_version[sizeof(drvinfo->fw_version) - 1] = '\0';
234
235 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
236 ETHTOOL_BUSINFO_LEN);
237 drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS);
238 drvinfo->testinfo_len = 0;
239 drvinfo->eedump_len = 0;
240 drvinfo->regdump_len = vmxnet3_get_regs_len(netdev);
241}
242
243
244static void
245vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
246{
247 if (stringset == ETH_SS_STATS) {
248 int i;
249
250 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) {
251 memcpy(buf, vmxnet3_tq_dev_stats[i].desc,
252 ETH_GSTRING_LEN);
253 buf += ETH_GSTRING_LEN;
254 }
255 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++) {
256 memcpy(buf, vmxnet3_tq_driver_stats[i].desc,
257 ETH_GSTRING_LEN);
258 buf += ETH_GSTRING_LEN;
259 }
260 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) {
261 memcpy(buf, vmxnet3_rq_dev_stats[i].desc,
262 ETH_GSTRING_LEN);
263 buf += ETH_GSTRING_LEN;
264 }
265 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++) {
266 memcpy(buf, vmxnet3_rq_driver_stats[i].desc,
267 ETH_GSTRING_LEN);
268 buf += ETH_GSTRING_LEN;
269 }
270 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) {
271 memcpy(buf, vmxnet3_global_stats[i].desc,
272 ETH_GSTRING_LEN);
273 buf += ETH_GSTRING_LEN;
274 }
275 }
276}
277
d1a890fa 278static int
d92be4b1
SG		 279vmxnet3_set_flags(struct net_device *netdev, u32 data)
280{
d1a890fa
SB		 281 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
282 u8 lro_requested = (data & ETH_FLAG_LRO) == 0 ? 0 : 1;
283 u8 lro_present = (netdev->features & NETIF_F_LRO) == 0 ? 0 : 1;
284
d92be4b1
SG		 285 if (data & ~ETH_FLAG_LRO)
286 return -EOPNOTSUPP;
287
d1a890fa
SB		 288 if (lro_requested ^ lro_present) {
289 /* toggle the LRO feature*/
290 netdev->features ^= NETIF_F_LRO;
291
292 /* update harware LRO capability accordingly */
293 if (lro_requested)
294 adapter->shared->devRead.misc.uptFeatures &= UPT1_F_LRO;
295 else
296 adapter->shared->devRead.misc.uptFeatures &=
297 ~UPT1_F_LRO;
298 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
299 VMXNET3_CMD_UPDATE_FEATURE);
300 }
301 return 0;
302}
303
304static void
305vmxnet3_get_ethtool_stats(struct net_device *netdev,
306 struct ethtool_stats *stats, u64 *buf)
307{
308 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
309 u8 *base;
310 int i;
311
312 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
313
314 /* this does assume each counter is 64-bit wide */
315
316 base = (u8 *)&adapter->tqd_start->stats;
317 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
318 *buf++ = *(u64 *)(base + vmxnet3_tq_dev_stats[i].offset);
319
320 base = (u8 *)&adapter->tx_queue.stats;
321 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
322 *buf++ = *(u64 *)(base + vmxnet3_tq_driver_stats[i].offset);
323
324 base = (u8 *)&adapter->rqd_start->stats;
325 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
326 *buf++ = *(u64 *)(base + vmxnet3_rq_dev_stats[i].offset);
327
328 base = (u8 *)&adapter->rx_queue.stats;
329 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
330 *buf++ = *(u64 *)(base + vmxnet3_rq_driver_stats[i].offset);
331
332 base = (u8 *)adapter;
333 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
334 *buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset);
335}
336
337
338static void
339vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
340{
341 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
342 u32 *buf = p;
343
344 memset(p, 0, vmxnet3_get_regs_len(netdev));
345
346 regs->version = 1;
347
348 /* Update vmxnet3_get_regs_len if we want to dump more registers */
349
350 /* make each ring use multiple of 16 bytes */
351 buf[0] = adapter->tx_queue.tx_ring.next2fill;
352 buf[1] = adapter->tx_queue.tx_ring.next2comp;
353 buf[2] = adapter->tx_queue.tx_ring.gen;
354 buf[3] = 0;
355
356 buf[4] = adapter->tx_queue.comp_ring.next2proc;
357 buf[5] = adapter->tx_queue.comp_ring.gen;
358 buf[6] = adapter->tx_queue.stopped;
359 buf[7] = 0;
360
361 buf[8] = adapter->rx_queue.rx_ring[0].next2fill;
362 buf[9] = adapter->rx_queue.rx_ring[0].next2comp;
363 buf[10] = adapter->rx_queue.rx_ring[0].gen;
364 buf[11] = 0;
365
366 buf[12] = adapter->rx_queue.rx_ring[1].next2fill;
367 buf[13] = adapter->rx_queue.rx_ring[1].next2comp;
368 buf[14] = adapter->rx_queue.rx_ring[1].gen;
369 buf[15] = 0;
370
371 buf[16] = adapter->rx_queue.comp_ring.next2proc;
372 buf[17] = adapter->rx_queue.comp_ring.gen;
373 buf[18] = 0;
374 buf[19] = 0;
375}
376
377
378static void
379vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
380{
381 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
382
383 wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
384 wol->wolopts = adapter->wol;
385}
386
387
388static int
389vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
390{
391 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
392
393 if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
394 WAKE_MAGICSECURE)) {
395 return -EOPNOTSUPP;
396 }
397
398 adapter->wol = wol->wolopts;
399
400 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
401
402 return 0;
403}
404
405
406static int
407vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
408{
409 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
410
411 ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full |
412 SUPPORTED_TP;
413 ecmd->advertising = ADVERTISED_TP;
414 ecmd->port = PORT_TP;
415 ecmd->transceiver = XCVR_INTERNAL;
416
417 if (adapter->link_speed) {
418 ecmd->speed = adapter->link_speed;
419 ecmd->duplex = DUPLEX_FULL;
420 } else {
421 ecmd->speed = -1;
422 ecmd->duplex = -1;
423 }
424 return 0;
425}
426
427
428static void
429vmxnet3_get_ringparam(struct net_device *netdev,
430 struct ethtool_ringparam *param)
431{
432 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
433
434 param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
435 param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
436 param->rx_mini_max_pending = 0;
437 param->rx_jumbo_max_pending = 0;
438
439 param->rx_pending = adapter->rx_queue.rx_ring[0].size;
440 param->tx_pending = adapter->tx_queue.tx_ring.size;
441 param->rx_mini_pending = 0;
442 param->rx_jumbo_pending = 0;
443}
444
445
446static int
447vmxnet3_set_ringparam(struct net_device *netdev,
448 struct ethtool_ringparam *param)
449{
450 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
451 u32 new_tx_ring_size, new_rx_ring_size;
452 u32 sz;
453 int err = 0;
454
455 if (param->tx_pending == 0 || param->tx_pending >
456 VMXNET3_TX_RING_MAX_SIZE)
457 return -EINVAL;
458
459 if (param->rx_pending == 0 || param->rx_pending >
460 VMXNET3_RX_RING_MAX_SIZE)
461 return -EINVAL;
462
463
464 /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
465 new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
466 ~VMXNET3_RING_SIZE_MASK;
467 new_tx_ring_size = min_t(u32, new_tx_ring_size,
468 VMXNET3_TX_RING_MAX_SIZE);
469 if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
470 VMXNET3_RING_SIZE_ALIGN) != 0)
471 return -EINVAL;
472
473 /* ring0 has to be a multiple of
474 * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
475 */
476 sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
477 new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
478 new_rx_ring_size = min_t(u32, new_rx_ring_size,
479 VMXNET3_RX_RING_MAX_SIZE / sz * sz);
480 if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
481 sz) != 0)
482 return -EINVAL;
483
484 if (new_tx_ring_size == adapter->tx_queue.tx_ring.size &&
485 new_rx_ring_size == adapter->rx_queue.rx_ring[0].size) {
486 return 0;
487 }
488
489 /*
490 * Reset_work may be in the middle of resetting the device, wait for its
491 * completion.
492 */
493 while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
494 msleep(1);
495
496 if (netif_running(netdev)) {
497 vmxnet3_quiesce_dev(adapter);
498 vmxnet3_reset_dev(adapter);
499
500 /* recreate the rx queue and the tx queue based on the
501 * new sizes */
502 vmxnet3_tq_destroy(&adapter->tx_queue, adapter);
503 vmxnet3_rq_destroy(&adapter->rx_queue, adapter);
504
505 err = vmxnet3_create_queues(adapter, new_tx_ring_size,
506 new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE);
507 if (err) {
508 /* failed, most likely because of OOM, try default
509 * size */
510 printk(KERN_ERR "%s: failed to apply new sizes, try the"
511 " default ones\n", netdev->name);
512 err = vmxnet3_create_queues(adapter,
513 VMXNET3_DEF_TX_RING_SIZE,
514 VMXNET3_DEF_RX_RING_SIZE,
515 VMXNET3_DEF_RX_RING_SIZE);
516 if (err) {
517 printk(KERN_ERR "%s: failed to create queues "
518 "with default sizes. Closing it\n",
519 netdev->name);
520 goto out;
521 }
522 }
523
524 err = vmxnet3_activate_dev(adapter);
525 if (err)
526 printk(KERN_ERR "%s: failed to re-activate, error %d."
527 " Closing it\n", netdev->name, err);
528 }
529
530out:
531 clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
532 if (err)
533 vmxnet3_force_close(adapter);
534
535 return err;
536}
537
538
539static struct ethtool_ops vmxnet3_ethtool_ops = {
540 .get_settings = vmxnet3_get_settings,
541 .get_drvinfo = vmxnet3_get_drvinfo,
542 .get_regs_len = vmxnet3_get_regs_len,
543 .get_regs = vmxnet3_get_regs,
544 .get_wol = vmxnet3_get_wol,
545 .set_wol = vmxnet3_set_wol,
546 .get_link = ethtool_op_get_link,
547 .get_rx_csum = vmxnet3_get_rx_csum,
548 .set_rx_csum = vmxnet3_set_rx_csum,
549 .get_tx_csum = ethtool_op_get_tx_csum,
550 .set_tx_csum = ethtool_op_set_tx_hw_csum,
551 .get_sg = ethtool_op_get_sg,
552 .set_sg = ethtool_op_set_sg,
553 .get_tso = ethtool_op_get_tso,
554 .set_tso = ethtool_op_set_tso,
555 .get_strings = vmxnet3_get_strings,
cbf2d604 556 .get_flags = ethtool_op_get_flags,
d1a890fa
SB		 557 .set_flags = vmxnet3_set_flags,
558 .get_sset_count = vmxnet3_get_sset_count,
559 .get_ethtool_stats = vmxnet3_get_ethtool_stats,
560 .get_ringparam = vmxnet3_get_ringparam,
561 .set_ringparam = vmxnet3_set_ringparam,
562};
563
564void vmxnet3_set_ethtool_ops(struct net_device *netdev)
565{
566 SET_ETHTOOL_OPS(netdev, &vmxnet3_ethtool_ops);
567}
Linux kernel - Deliverables
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