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Add linux-next specific files for 20110831
[linux-2.6/next.git] / drivers / net / vmxnet3 / vmxnet3_ethtool.c
blob27400edeef55466ec2a82d63072d3945bcb6b844
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
30 struct vmxnet3_stat_desc {
31 char desc[ETH_GSTRING_LEN];
32 int offset;
33 };
34
35
36 /* per tq stats maintained by the device */
37 static const struct vmxnet3_stat_desc
38 vmxnet3_tq_dev_stats[] = {
39 /* description, offset */
40 { "Tx Queue#", 0 },
41 { " TSO pkts tx", offsetof(struct UPT1_TxStats, TSOPktsTxOK) },
42 { " TSO bytes tx", offsetof(struct UPT1_TxStats, TSOBytesTxOK) },
43 { " ucast pkts tx", offsetof(struct UPT1_TxStats, ucastPktsTxOK) },
44 { " ucast bytes tx", offsetof(struct UPT1_TxStats, ucastBytesTxOK) },
45 { " mcast pkts tx", offsetof(struct UPT1_TxStats, mcastPktsTxOK) },
46 { " mcast bytes tx", offsetof(struct UPT1_TxStats, mcastBytesTxOK) },
47 { " bcast pkts tx", offsetof(struct UPT1_TxStats, bcastPktsTxOK) },
48 { " bcast bytes tx", offsetof(struct UPT1_TxStats, bcastBytesTxOK) },
49 { " pkts tx err", offsetof(struct UPT1_TxStats, pktsTxError) },
50 { " pkts tx discard", offsetof(struct UPT1_TxStats, pktsTxDiscard) },
51 };
52
53 /* per tq stats maintained by the driver */
54 static const struct vmxnet3_stat_desc
55 vmxnet3_tq_driver_stats[] = {
56 /* description, offset */
57 {" drv dropped tx total", offsetof(struct vmxnet3_tq_driver_stats,
58 drop_total) },
59 { " too many frags", offsetof(struct vmxnet3_tq_driver_stats,
60 drop_too_many_frags) },
61 { " giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
62 drop_oversized_hdr) },
63 { " hdr err", offsetof(struct vmxnet3_tq_driver_stats,
64 drop_hdr_inspect_err) },
65 { " tso", offsetof(struct vmxnet3_tq_driver_stats,
66 drop_tso) },
67 { " ring full", offsetof(struct vmxnet3_tq_driver_stats,
68 tx_ring_full) },
69 { " pkts linearized", offsetof(struct vmxnet3_tq_driver_stats,
70 linearized) },
71 { " hdr cloned", offsetof(struct vmxnet3_tq_driver_stats,
72 copy_skb_header) },
73 { " giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
74 oversized_hdr) },
75 };
76
77 /* per rq stats maintained by the device */
78 static const struct vmxnet3_stat_desc
79 vmxnet3_rq_dev_stats[] = {
80 { "Rx Queue#", 0 },
81 { " LRO pkts rx", offsetof(struct UPT1_RxStats, LROPktsRxOK) },
82 { " LRO byte rx", offsetof(struct UPT1_RxStats, LROBytesRxOK) },
83 { " ucast pkts rx", offsetof(struct UPT1_RxStats, ucastPktsRxOK) },
84 { " ucast bytes rx", offsetof(struct UPT1_RxStats, ucastBytesRxOK) },
85 { " mcast pkts rx", offsetof(struct UPT1_RxStats, mcastPktsRxOK) },
86 { " mcast bytes rx", offsetof(struct UPT1_RxStats, mcastBytesRxOK) },
87 { " bcast pkts rx", offsetof(struct UPT1_RxStats, bcastPktsRxOK) },
88 { " bcast bytes rx", offsetof(struct UPT1_RxStats, bcastBytesRxOK) },
89 { " pkts rx OOB", offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) },
90 { " pkts rx err", offsetof(struct UPT1_RxStats, pktsRxError) },
91 };
92
93 /* per rq stats maintained by the driver */
94 static const struct vmxnet3_stat_desc
95 vmxnet3_rq_driver_stats[] = {
96 /* description, offset */
97 { " drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats,
98 drop_total) },
99 { " err", offsetof(struct vmxnet3_rq_driver_stats,
100 drop_err) },
101 { " fcs", offsetof(struct vmxnet3_rq_driver_stats,
102 drop_fcs) },
103 { " rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats,
104 rx_buf_alloc_failure) },
105 };
106
107 /* gloabl stats maintained by the driver */
108 static const struct vmxnet3_stat_desc
109 vmxnet3_global_stats[] = {
110 /* description, offset */
111 { "tx timeout count", offsetof(struct vmxnet3_adapter,
112 tx_timeout_count) }
113 };
114
115
116 struct rtnl_link_stats64 *
117 vmxnet3_get_stats64(struct net_device *netdev,
118 struct rtnl_link_stats64 *stats)
119 {
120 struct vmxnet3_adapter *adapter;
121 struct vmxnet3_tq_driver_stats *drvTxStats;
122 struct vmxnet3_rq_driver_stats *drvRxStats;
123 struct UPT1_TxStats *devTxStats;
124 struct UPT1_RxStats *devRxStats;
125 unsigned long flags;
126 int i;
127
128 adapter = netdev_priv(netdev);
129
130 /* Collect the dev stats into the shared area */
131 spin_lock_irqsave(&adapter->cmd_lock, flags);
132 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
133 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
134
135 for (i = 0; i < adapter->num_tx_queues; i++) {
136 devTxStats = &adapter->tqd_start[i].stats;
137 drvTxStats = &adapter->tx_queue[i].stats;
138 stats->tx_packets += devTxStats->ucastPktsTxOK +
139 devTxStats->mcastPktsTxOK +
140 devTxStats->bcastPktsTxOK;
141 stats->tx_bytes += devTxStats->ucastBytesTxOK +
142 devTxStats->mcastBytesTxOK +
143 devTxStats->bcastBytesTxOK;
144 stats->tx_errors += devTxStats->pktsTxError;
145 stats->tx_dropped += drvTxStats->drop_total;
146 }
147
148 for (i = 0; i < adapter->num_rx_queues; i++) {
149 devRxStats = &adapter->rqd_start[i].stats;
150 drvRxStats = &adapter->rx_queue[i].stats;
151 stats->rx_packets += devRxStats->ucastPktsRxOK +
152 devRxStats->mcastPktsRxOK +
153 devRxStats->bcastPktsRxOK;
154
155 stats->rx_bytes += devRxStats->ucastBytesRxOK +
156 devRxStats->mcastBytesRxOK +
157 devRxStats->bcastBytesRxOK;
158
159 stats->rx_errors += devRxStats->pktsRxError;
160 stats->rx_dropped += drvRxStats->drop_total;
161 stats->multicast += devRxStats->mcastPktsRxOK;
162 }
163
164 return stats;
165 }
166
167 static int
168 vmxnet3_get_sset_count(struct net_device *netdev, int sset)
169 {
170 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
171 switch (sset) {
172 case ETH_SS_STATS:
173 return (ARRAY_SIZE(vmxnet3_tq_dev_stats) +
174 ARRAY_SIZE(vmxnet3_tq_driver_stats)) *
175 adapter->num_tx_queues +
176 (ARRAY_SIZE(vmxnet3_rq_dev_stats) +
177 ARRAY_SIZE(vmxnet3_rq_driver_stats)) *
178 adapter->num_rx_queues +
179 ARRAY_SIZE(vmxnet3_global_stats);
180 default:
181 return -EOPNOTSUPP;
182 }
183 }
184
185
186 /* Should be multiple of 4 */
187 #define NUM_TX_REGS 8
188 #define NUM_RX_REGS 12
189
190 static int
191 vmxnet3_get_regs_len(struct net_device *netdev)
192 {
193 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
194 return (adapter->num_tx_queues * NUM_TX_REGS * sizeof(u32) +
195 adapter->num_rx_queues * NUM_RX_REGS * sizeof(u32));
196 }
197
198
199 static void
200 vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
201 {
202 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
203
204 strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver));
205 drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
206
207 strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
208 sizeof(drvinfo->version));
209 drvinfo->driver[sizeof(drvinfo->version) - 1] = '\0';
210
211 strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
212 drvinfo->fw_version[sizeof(drvinfo->fw_version) - 1] = '\0';
213
214 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
215 ETHTOOL_BUSINFO_LEN);
216 drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS);
217 drvinfo->testinfo_len = 0;
218 drvinfo->eedump_len = 0;
219 drvinfo->regdump_len = vmxnet3_get_regs_len(netdev);
220 }
221
222
223 static void
224 vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
225 {
226 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
227 if (stringset == ETH_SS_STATS) {
228 int i, j;
229 for (j = 0; j < adapter->num_tx_queues; j++) {
230 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) {
231 memcpy(buf, vmxnet3_tq_dev_stats[i].desc,
232 ETH_GSTRING_LEN);
233 buf += ETH_GSTRING_LEN;
234 }
235 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats);
236 i++) {
237 memcpy(buf, vmxnet3_tq_driver_stats[i].desc,
238 ETH_GSTRING_LEN);
239 buf += ETH_GSTRING_LEN;
240 }
241 }
242
243 for (j = 0; j < adapter->num_rx_queues; j++) {
244 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) {
245 memcpy(buf, vmxnet3_rq_dev_stats[i].desc,
246 ETH_GSTRING_LEN);
247 buf += ETH_GSTRING_LEN;
248 }
249 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats);
250 i++) {
251 memcpy(buf, vmxnet3_rq_driver_stats[i].desc,
252 ETH_GSTRING_LEN);
253 buf += ETH_GSTRING_LEN;
254 }
255 }
256
257 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) {
258 memcpy(buf, vmxnet3_global_stats[i].desc,
259 ETH_GSTRING_LEN);
260 buf += ETH_GSTRING_LEN;
261 }
262 }
263 }
264
265 int vmxnet3_set_features(struct net_device *netdev, u32 features)
266 {
267 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
268 unsigned long flags;
269 u32 changed = features ^ netdev->features;
270
271 if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_RX)) {
272 if (features & NETIF_F_RXCSUM)
273 adapter->shared->devRead.misc.uptFeatures |=
274 UPT1_F_RXCSUM;
275 else
276 adapter->shared->devRead.misc.uptFeatures &=
277 ~UPT1_F_RXCSUM;
278
279 /* update harware LRO capability accordingly */
280 if (features & NETIF_F_LRO)
281 adapter->shared->devRead.misc.uptFeatures |=
282 UPT1_F_LRO;
283 else
284 adapter->shared->devRead.misc.uptFeatures &=
285 ~UPT1_F_LRO;
286
287 if (features & NETIF_F_HW_VLAN_RX)
288 adapter->shared->devRead.misc.uptFeatures |=
289 UPT1_F_RXVLAN;
290 else
291 adapter->shared->devRead.misc.uptFeatures &=
292 ~UPT1_F_RXVLAN;
293
294 spin_lock_irqsave(&adapter->cmd_lock, flags);
295 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
296 VMXNET3_CMD_UPDATE_FEATURE);
297 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
298 }
299 return 0;
300 }
301
302 static void
303 vmxnet3_get_ethtool_stats(struct net_device *netdev,
304 struct ethtool_stats *stats, u64 *buf)
305 {
306 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
307 unsigned long flags;
308 u8 *base;
309 int i;
310 int j = 0;
311
312 spin_lock_irqsave(&adapter->cmd_lock, flags);
313 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
314 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
315
316 /* this does assume each counter is 64-bit wide */
317 for (j = 0; j < adapter->num_tx_queues; j++) {
318 base = (u8 *)&adapter->tqd_start[j].stats;
319 *buf++ = (u64)j;
320 for (i = 1; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
321 *buf++ = *(u64 *)(base +
322 vmxnet3_tq_dev_stats[i].offset);
323
324 base = (u8 *)&adapter->tx_queue[j].stats;
325 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
326 *buf++ = *(u64 *)(base +
327 vmxnet3_tq_driver_stats[i].offset);
328 }
329
330 for (j = 0; j < adapter->num_tx_queues; j++) {
331 base = (u8 *)&adapter->rqd_start[j].stats;
332 *buf++ = (u64) j;
333 for (i = 1; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
334 *buf++ = *(u64 *)(base +
335 vmxnet3_rq_dev_stats[i].offset);
336
337 base = (u8 *)&adapter->rx_queue[j].stats;
338 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
339 *buf++ = *(u64 *)(base +
340 vmxnet3_rq_driver_stats[i].offset);
341 }
342
343 base = (u8 *)adapter;
344 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
345 *buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset);
346 }
347
348
349 static void
350 vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
351 {
352 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
353 u32 *buf = p;
354 int i = 0, j = 0;
355
356 memset(p, 0, vmxnet3_get_regs_len(netdev));
357
358 regs->version = 1;
359
360 /* Update vmxnet3_get_regs_len if we want to dump more registers */
361
362 /* make each ring use multiple of 16 bytes */
363 for (i = 0; i < adapter->num_tx_queues; i++) {
364 buf[j++] = adapter->tx_queue[i].tx_ring.next2fill;
365 buf[j++] = adapter->tx_queue[i].tx_ring.next2comp;
366 buf[j++] = adapter->tx_queue[i].tx_ring.gen;
367 buf[j++] = 0;
368
369 buf[j++] = adapter->tx_queue[i].comp_ring.next2proc;
370 buf[j++] = adapter->tx_queue[i].comp_ring.gen;
371 buf[j++] = adapter->tx_queue[i].stopped;
372 buf[j++] = 0;
373 }
374
375 for (i = 0; i < adapter->num_rx_queues; i++) {
376 buf[j++] = adapter->rx_queue[i].rx_ring[0].next2fill;
377 buf[j++] = adapter->rx_queue[i].rx_ring[0].next2comp;
378 buf[j++] = adapter->rx_queue[i].rx_ring[0].gen;
379 buf[j++] = 0;
380
381 buf[j++] = adapter->rx_queue[i].rx_ring[1].next2fill;
382 buf[j++] = adapter->rx_queue[i].rx_ring[1].next2comp;
383 buf[j++] = adapter->rx_queue[i].rx_ring[1].gen;
384 buf[j++] = 0;
385
386 buf[j++] = adapter->rx_queue[i].comp_ring.next2proc;
387 buf[j++] = adapter->rx_queue[i].comp_ring.gen;
388 buf[j++] = 0;
389 buf[j++] = 0;
390 }
391
392 }
393
394
395 static void
396 vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
397 {
398 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
399
400 wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
401 wol->wolopts = adapter->wol;
402 }
403
404
405 static int
406 vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
407 {
408 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
409
410 if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
411 WAKE_MAGICSECURE)) {
412 return -EOPNOTSUPP;
413 }
414
415 adapter->wol = wol->wolopts;
416
417 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
418
419 return 0;
420 }
421
422
423 static int
424 vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
425 {
426 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
427
428 ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full |
429 SUPPORTED_TP;
430 ecmd->advertising = ADVERTISED_TP;
431 ecmd->port = PORT_TP;
432 ecmd->transceiver = XCVR_INTERNAL;
433
434 if (adapter->link_speed) {
435 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
436 ecmd->duplex = DUPLEX_FULL;
437 } else {
438 ethtool_cmd_speed_set(ecmd, -1);
439 ecmd->duplex = -1;
440 }
441 return 0;
442 }
443
444
445 static void
446 vmxnet3_get_ringparam(struct net_device *netdev,
447 struct ethtool_ringparam *param)
448 {
449 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
450
451 param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
452 param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
453 param->rx_mini_max_pending = 0;
454 param->rx_jumbo_max_pending = 0;
455
456 param->rx_pending = adapter->rx_queue[0].rx_ring[0].size *
457 adapter->num_rx_queues;
458 param->tx_pending = adapter->tx_queue[0].tx_ring.size *
459 adapter->num_tx_queues;
460 param->rx_mini_pending = 0;
461 param->rx_jumbo_pending = 0;
462 }
463
464
465 static int
466 vmxnet3_set_ringparam(struct net_device *netdev,
467 struct ethtool_ringparam *param)
468 {
469 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
470 u32 new_tx_ring_size, new_rx_ring_size;
471 u32 sz;
472 int err = 0;
473
474 if (param->tx_pending == 0 || param->tx_pending >
475 VMXNET3_TX_RING_MAX_SIZE)
476 return -EINVAL;
477
478 if (param->rx_pending == 0 || param->rx_pending >
479 VMXNET3_RX_RING_MAX_SIZE)
480 return -EINVAL;
481
482
483 /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
484 new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
485 ~VMXNET3_RING_SIZE_MASK;
486 new_tx_ring_size = min_t(u32, new_tx_ring_size,
487 VMXNET3_TX_RING_MAX_SIZE);
488 if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
489 VMXNET3_RING_SIZE_ALIGN) != 0)
490 return -EINVAL;
491
492 /* ring0 has to be a multiple of
493 * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
494 */
495 sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
496 new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
497 new_rx_ring_size = min_t(u32, new_rx_ring_size,
498 VMXNET3_RX_RING_MAX_SIZE / sz * sz);
499 if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
500 sz) != 0)
501 return -EINVAL;
502
503 if (new_tx_ring_size == adapter->tx_queue[0].tx_ring.size &&
504 new_rx_ring_size == adapter->rx_queue[0].rx_ring[0].size) {
505 return 0;
506 }
507
508 /*
509 * Reset_work may be in the middle of resetting the device, wait for its
510 * completion.
511 */
512 while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
513 msleep(1);
514
515 if (netif_running(netdev)) {
516 vmxnet3_quiesce_dev(adapter);
517 vmxnet3_reset_dev(adapter);
518
519 /* recreate the rx queue and the tx queue based on the
520 * new sizes */
521 vmxnet3_tq_destroy_all(adapter);
522 vmxnet3_rq_destroy_all(adapter);
523
524 err = vmxnet3_create_queues(adapter, new_tx_ring_size,
525 new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE);
526
527 if (err) {
528 /* failed, most likely because of OOM, try default
529 * size */
530 printk(KERN_ERR "%s: failed to apply new sizes, try the"
531 " default ones\n", netdev->name);
532 err = vmxnet3_create_queues(adapter,
533 VMXNET3_DEF_TX_RING_SIZE,
534 VMXNET3_DEF_RX_RING_SIZE,
535 VMXNET3_DEF_RX_RING_SIZE);
536 if (err) {
537 printk(KERN_ERR "%s: failed to create queues "
538 "with default sizes. Closing it\n",
539 netdev->name);
540 goto out;
541 }
542 }
543
544 err = vmxnet3_activate_dev(adapter);
545 if (err)
546 printk(KERN_ERR "%s: failed to re-activate, error %d."
547 " Closing it\n", netdev->name, err);
548 }
549
550 out:
551 clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
552 if (err)
553 vmxnet3_force_close(adapter);
554
555 return err;
556 }
557
558
559 static int
560 vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
561 void *rules)
562 {
563 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
564 switch (info->cmd) {
565 case ETHTOOL_GRXRINGS:
566 info->data = adapter->num_rx_queues;
567 return 0;
568 }
569 return -EOPNOTSUPP;
570 }
571
572 #ifdef VMXNET3_RSS
573 static int
574 vmxnet3_get_rss_indir(struct net_device *netdev,
575 struct ethtool_rxfh_indir *p)
576 {
577 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
578 struct UPT1_RSSConf *rssConf = adapter->rss_conf;
579 unsigned int n = min_t(unsigned int, p->size, rssConf->indTableSize);
580
581 p->size = rssConf->indTableSize;
582 while (n--)
583 p->ring_index[n] = rssConf->indTable[n];
584 return 0;
585
586 }
587
588 static int
589 vmxnet3_set_rss_indir(struct net_device *netdev,
590 const struct ethtool_rxfh_indir *p)
591 {
592 unsigned int i;
593 unsigned long flags;
594 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
595 struct UPT1_RSSConf *rssConf = adapter->rss_conf;
596
597 if (p->size != rssConf->indTableSize)
598 return -EINVAL;
599 for (i = 0; i < rssConf->indTableSize; i++) {
600 /*
601 * Return with error code if any of the queue indices
602 * is out of range
603 */
604 if (p->ring_index[i] < 0 ||
605 p->ring_index[i] >= adapter->num_rx_queues)
606 return -EINVAL;
607 }
608
609 for (i = 0; i < rssConf->indTableSize; i++)
610 rssConf->indTable[i] = p->ring_index[i];
611
612 spin_lock_irqsave(&adapter->cmd_lock, flags);
613 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
614 VMXNET3_CMD_UPDATE_RSSIDT);
615 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
616
617 return 0;
618
619 }
620 #endif
621
622 static struct ethtool_ops vmxnet3_ethtool_ops = {
623 .get_settings = vmxnet3_get_settings,
624 .get_drvinfo = vmxnet3_get_drvinfo,
625 .get_regs_len = vmxnet3_get_regs_len,
626 .get_regs = vmxnet3_get_regs,
627 .get_wol = vmxnet3_get_wol,
628 .set_wol = vmxnet3_set_wol,
629 .get_link = ethtool_op_get_link,
630 .get_strings = vmxnet3_get_strings,
631 .get_sset_count = vmxnet3_get_sset_count,
632 .get_ethtool_stats = vmxnet3_get_ethtool_stats,
633 .get_ringparam = vmxnet3_get_ringparam,
634 .set_ringparam = vmxnet3_set_ringparam,
635 .get_rxnfc = vmxnet3_get_rxnfc,
636 #ifdef VMXNET3_RSS
637 .get_rxfh_indir = vmxnet3_get_rss_indir,
638 .set_rxfh_indir = vmxnet3_set_rss_indir,
639 #endif
640 };
641
642 void vmxnet3_set_ethtool_ops(struct net_device *netdev)
643 {
644 SET_ETHTOOL_OPS(netdev, &vmxnet3_ethtool_ops);
645 }
linux-next