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Merge branch 'mlx4'
[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
d1a890fa
SB		 36/* per tq stats maintained by the device */
37static const struct vmxnet3_stat_desc
38vmxnet3_tq_dev_stats[] = {
39 /* description, offset */
76d39dae
SB		 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) },
d1a890fa
SB		 51};
52
53/* per tq stats maintained by the driver */
54static const struct vmxnet3_stat_desc
55vmxnet3_tq_driver_stats[] = {
56 /* description, offset */
76d39dae
SB		 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) },
d1a890fa
SB		 75};
76
77/* per rq stats maintained by the device */
78static const struct vmxnet3_stat_desc
79vmxnet3_rq_dev_stats[] = {
76d39dae
SB		 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) },
d1a890fa
SB		 91};
92
93/* per rq stats maintained by the driver */
94static const struct vmxnet3_stat_desc
95vmxnet3_rq_driver_stats[] = {
96 /* description, offset */
76d39dae
SB		 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) },
d1a890fa
SB		 105};
106
107/* gloabl stats maintained by the driver */
108static const struct vmxnet3_stat_desc
109vmxnet3_global_stats[] = {
110 /* description, offset */
76d39dae 111 { "tx timeout count", offsetof(struct vmxnet3_adapter,
d1a890fa
SB		 112 tx_timeout_count) }
113};
114
115
95305f6c 116struct rtnl_link_stats64 *
117vmxnet3_get_stats64(struct net_device *netdev,
118 struct rtnl_link_stats64 *stats)
d1a890fa
SB		 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;
83d0feff 125 unsigned long flags;
09c5088e 126 int i;
d1a890fa
SB		 127
128 adapter = netdev_priv(netdev);
129
130 /* Collect the dev stats into the shared area */
83d0feff 131 spin_lock_irqsave(&adapter->cmd_lock, flags);
d1a890fa 132 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
83d0feff 133 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
d1a890fa 134
09c5088e
SB		 135 for (i = 0; i < adapter->num_tx_queues; i++) {
136 devTxStats = &adapter->tqd_start[i].stats;
137 drvTxStats = &adapter->tx_queue[i].stats;
95305f6c 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;
09c5088e 146 }
d1a890fa 147
09c5088e
SB		 148 for (i = 0; i < adapter->num_rx_queues; i++) {
149 devRxStats = &adapter->rqd_start[i].stats;
150 drvRxStats = &adapter->rx_queue[i].stats;
95305f6c 151 stats->rx_packets += devRxStats->ucastPktsRxOK +
152 devRxStats->mcastPktsRxOK +
153 devRxStats->bcastPktsRxOK;
d1a890fa 154
95305f6c 155 stats->rx_bytes += devRxStats->ucastBytesRxOK +
156 devRxStats->mcastBytesRxOK +
157 devRxStats->bcastBytesRxOK;
d1a890fa 158
95305f6c 159 stats->rx_errors += devRxStats->pktsRxError;
160 stats->rx_dropped += drvRxStats->drop_total;
161 stats->multicast += devRxStats->mcastPktsRxOK;
09c5088e 162 }
95305f6c 163
164 return stats;
d1a890fa
SB		 165}
166
167static int
168vmxnet3_get_sset_count(struct net_device *netdev, int sset)
169{
76d39dae 170 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
d1a890fa
SB		 171 switch (sset) {
172 case ETH_SS_STATS:
76d39dae
SB		 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 +
d1a890fa
SB		 179 ARRAY_SIZE(vmxnet3_global_stats);
180 default:
181 return -EOPNOTSUPP;
182 }
183}
184
185
76d39dae
SB		 186/* Should be multiple of 4 */
187#define NUM_TX_REGS 8
188#define NUM_RX_REGS 12
189
d1a890fa
SB		 190static int
191vmxnet3_get_regs_len(struct net_device *netdev)
192{
76d39dae
SB		 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));
d1a890fa
SB		 196}
197
198
199static void
200vmxnet3_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));
d1a890fa
SB		 205
206 strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
207 sizeof(drvinfo->version));
d1a890fa
SB		 208
209 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
7826d43f 210 sizeof(drvinfo->bus_info));
d1a890fa
SB		 211 drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS);
212 drvinfo->testinfo_len = 0;
213 drvinfo->eedump_len = 0;
214 drvinfo->regdump_len = vmxnet3_get_regs_len(netdev);
215}
216
217
218static void
219vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
220{
76d39dae 221 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
d1a890fa 222 if (stringset == ETH_SS_STATS) {
76d39dae
SB		 223 int i, j;
224 for (j = 0; j < adapter->num_tx_queues; j++) {
225 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) {
226 memcpy(buf, vmxnet3_tq_dev_stats[i].desc,
227 ETH_GSTRING_LEN);
228 buf += ETH_GSTRING_LEN;
229 }
230 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats);
231 i++) {
232 memcpy(buf, vmxnet3_tq_driver_stats[i].desc,
233 ETH_GSTRING_LEN);
234 buf += ETH_GSTRING_LEN;
235 }
d1a890fa 236 }
76d39dae
SB		 237
238 for (j = 0; j < adapter->num_rx_queues; j++) {
239 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) {
240 memcpy(buf, vmxnet3_rq_dev_stats[i].desc,
241 ETH_GSTRING_LEN);
242 buf += ETH_GSTRING_LEN;
243 }
244 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats);
245 i++) {
246 memcpy(buf, vmxnet3_rq_driver_stats[i].desc,
247 ETH_GSTRING_LEN);
248 buf += ETH_GSTRING_LEN;
249 }
d1a890fa 250 }
76d39dae 251
d1a890fa
SB		 252 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) {
253 memcpy(buf, vmxnet3_global_stats[i].desc,
254 ETH_GSTRING_LEN);
255 buf += ETH_GSTRING_LEN;
256 }
257 }
258}
259
c8f44aff 260int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features)
d92be4b1 261{
d1a890fa 262 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
83d0feff 263 unsigned long flags;
c8f44aff 264 netdev_features_t changed = features ^ netdev->features;
d1a890fa 265
72e85c45 266 if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_RX)) {
a0d2730c
MM		 267 if (features & NETIF_F_RXCSUM)
268 adapter->shared->devRead.misc.uptFeatures |=
269 UPT1_F_RXCSUM;
270 else
271 adapter->shared->devRead.misc.uptFeatures &=
272 ~UPT1_F_RXCSUM;
d1a890fa
SB		 273
274 /* update harware LRO capability accordingly */
a0d2730c 275 if (features & NETIF_F_LRO)
ca802447 276 adapter->shared->devRead.misc.uptFeatures |=
3843e515 277 UPT1_F_LRO;
d1a890fa
SB		 278 else
279 adapter->shared->devRead.misc.uptFeatures &=
3843e515 280 ~UPT1_F_LRO;
a0d2730c 281
72e85c45
JG		 282 if (features & NETIF_F_HW_VLAN_RX)
283 adapter->shared->devRead.misc.uptFeatures |=
284 UPT1_F_RXVLAN;
285 else
286 adapter->shared->devRead.misc.uptFeatures &=
287 ~UPT1_F_RXVLAN;
288
83d0feff 289 spin_lock_irqsave(&adapter->cmd_lock, flags);
d1a890fa
SB		 290 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
291 VMXNET3_CMD_UPDATE_FEATURE);
83d0feff 292 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
d1a890fa
SB		 293 }
294 return 0;
295}
296
297static void
298vmxnet3_get_ethtool_stats(struct net_device *netdev,
299 struct ethtool_stats *stats, u64 *buf)
300{
301 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
83d0feff 302 unsigned long flags;
d1a890fa
SB		 303 u8 *base;
304 int i;
09c5088e 305 int j = 0;
d1a890fa 306
83d0feff 307 spin_lock_irqsave(&adapter->cmd_lock, flags);
d1a890fa 308 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
83d0feff 309 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
d1a890fa
SB		 310
311 /* this does assume each counter is 64-bit wide */
76d39dae
SB		 312 for (j = 0; j < adapter->num_tx_queues; j++) {
313 base = (u8 *)&adapter->tqd_start[j].stats;
314 *buf++ = (u64)j;
315 for (i = 1; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
316 *buf++ = *(u64 *)(base +
317 vmxnet3_tq_dev_stats[i].offset);
318
319 base = (u8 *)&adapter->tx_queue[j].stats;
320 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
321 *buf++ = *(u64 *)(base +
322 vmxnet3_tq_driver_stats[i].offset);
323 }
d1a890fa 324
76d39dae
SB		 325 for (j = 0; j < adapter->num_tx_queues; j++) {
326 base = (u8 *)&adapter->rqd_start[j].stats;
327 *buf++ = (u64) j;
328 for (i = 1; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
329 *buf++ = *(u64 *)(base +
330 vmxnet3_rq_dev_stats[i].offset);
331
332 base = (u8 *)&adapter->rx_queue[j].stats;
333 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
334 *buf++ = *(u64 *)(base +
335 vmxnet3_rq_driver_stats[i].offset);
336 }
d1a890fa
SB		 337
338 base = (u8 *)adapter;
339 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
340 *buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset);
341}
342
343
344static void
345vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
346{
347 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
348 u32 *buf = p;
76d39dae 349 int i = 0, j = 0;
d1a890fa
SB		 350
351 memset(p, 0, vmxnet3_get_regs_len(netdev));
352
353 regs->version = 1;
354
355 /* Update vmxnet3_get_regs_len if we want to dump more registers */
356
357 /* make each ring use multiple of 16 bytes */
76d39dae
SB		 358 for (i = 0; i < adapter->num_tx_queues; i++) {
359 buf[j++] = adapter->tx_queue[i].tx_ring.next2fill;
360 buf[j++] = adapter->tx_queue[i].tx_ring.next2comp;
361 buf[j++] = adapter->tx_queue[i].tx_ring.gen;
362 buf[j++] = 0;
363
364 buf[j++] = adapter->tx_queue[i].comp_ring.next2proc;
365 buf[j++] = adapter->tx_queue[i].comp_ring.gen;
366 buf[j++] = adapter->tx_queue[i].stopped;
367 buf[j++] = 0;
368 }
369
370 for (i = 0; i < adapter->num_rx_queues; i++) {
371 buf[j++] = adapter->rx_queue[i].rx_ring[0].next2fill;
372 buf[j++] = adapter->rx_queue[i].rx_ring[0].next2comp;
373 buf[j++] = adapter->rx_queue[i].rx_ring[0].gen;
374 buf[j++] = 0;
375
376 buf[j++] = adapter->rx_queue[i].rx_ring[1].next2fill;
377 buf[j++] = adapter->rx_queue[i].rx_ring[1].next2comp;
378 buf[j++] = adapter->rx_queue[i].rx_ring[1].gen;
379 buf[j++] = 0;
380
381 buf[j++] = adapter->rx_queue[i].comp_ring.next2proc;
382 buf[j++] = adapter->rx_queue[i].comp_ring.gen;
383 buf[j++] = 0;
384 buf[j++] = 0;
385 }
386
d1a890fa
SB		 387}
388
389
390static void
391vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
392{
393 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
394
395 wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
396 wol->wolopts = adapter->wol;
397}
398
399
400static int
401vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
402{
403 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
404
405 if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
406 WAKE_MAGICSECURE)) {
407 return -EOPNOTSUPP;
408 }
409
410 adapter->wol = wol->wolopts;
411
412 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
413
414 return 0;
415}
416
417
418static int
419vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
420{
421 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
422
423 ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full |
424 SUPPORTED_TP;
425 ecmd->advertising = ADVERTISED_TP;
426 ecmd->port = PORT_TP;
427 ecmd->transceiver = XCVR_INTERNAL;
428
429 if (adapter->link_speed) {
70739497 430 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
d1a890fa
SB		 431 ecmd->duplex = DUPLEX_FULL;
432 } else {
70739497 433 ethtool_cmd_speed_set(ecmd, -1);
d1a890fa
SB		 434 ecmd->duplex = -1;
435 }
436 return 0;
437}
438
439
440static void
441vmxnet3_get_ringparam(struct net_device *netdev,
442 struct ethtool_ringparam *param)
443{
444 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
445
446 param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
447 param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
448 param->rx_mini_max_pending = 0;
449 param->rx_jumbo_max_pending = 0;
450
48412a7e
NH		 451 param->rx_pending = adapter->rx_queue[0].rx_ring[0].size;
452 param->tx_pending = adapter->tx_queue[0].tx_ring.size;
d1a890fa
SB		 453 param->rx_mini_pending = 0;
454 param->rx_jumbo_pending = 0;
455}
456
457
458static int
459vmxnet3_set_ringparam(struct net_device *netdev,
460 struct ethtool_ringparam *param)
461{
462 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
463 u32 new_tx_ring_size, new_rx_ring_size;
464 u32 sz;
465 int err = 0;
466
467 if (param->tx_pending == 0 || param->tx_pending >
468 VMXNET3_TX_RING_MAX_SIZE)
469 return -EINVAL;
470
471 if (param->rx_pending == 0 || param->rx_pending >
472 VMXNET3_RX_RING_MAX_SIZE)
473 return -EINVAL;
474
475
476 /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
477 new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
478 ~VMXNET3_RING_SIZE_MASK;
479 new_tx_ring_size = min_t(u32, new_tx_ring_size,
480 VMXNET3_TX_RING_MAX_SIZE);
481 if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
482 VMXNET3_RING_SIZE_ALIGN) != 0)
483 return -EINVAL;
484
485 /* ring0 has to be a multiple of
486 * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
487 */
488 sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
489 new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
490 new_rx_ring_size = min_t(u32, new_rx_ring_size,
491 VMXNET3_RX_RING_MAX_SIZE / sz * sz);
492 if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
493 sz) != 0)
494 return -EINVAL;
495
09c5088e
SB		 496 if (new_tx_ring_size == adapter->tx_queue[0].tx_ring.size &&
497 new_rx_ring_size == adapter->rx_queue[0].rx_ring[0].size) {
d1a890fa
SB		 498 return 0;
499 }
500
501 /*
502 * Reset_work may be in the middle of resetting the device, wait for its
503 * completion.
504 */
505 while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
506 msleep(1);
507
508 if (netif_running(netdev)) {
509 vmxnet3_quiesce_dev(adapter);
510 vmxnet3_reset_dev(adapter);
511
512 /* recreate the rx queue and the tx queue based on the
513 * new sizes */
09c5088e
SB		 514 vmxnet3_tq_destroy_all(adapter);
515 vmxnet3_rq_destroy_all(adapter);
d1a890fa
SB		 516
517 err = vmxnet3_create_queues(adapter, new_tx_ring_size,
518 new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE);
09c5088e 519
d1a890fa
SB		 520 if (err) {
521 /* failed, most likely because of OOM, try default
522 * size */
204a6e65
SH		 523 netdev_err(netdev, "failed to apply new sizes, "
524 "try the default ones\n");
d1a890fa
SB		 525 err = vmxnet3_create_queues(adapter,
526 VMXNET3_DEF_TX_RING_SIZE,
527 VMXNET3_DEF_RX_RING_SIZE,
528 VMXNET3_DEF_RX_RING_SIZE);
529 if (err) {
204a6e65
SH		 530 netdev_err(netdev, "failed to create queues "
531 "with default sizes. Closing it\n");
d1a890fa
SB		 532 goto out;
533 }
534 }
535
536 err = vmxnet3_activate_dev(adapter);
537 if (err)
204a6e65
SH		 538 netdev_err(netdev, "failed to re-activate, error %d."
539 " Closing it\n", err);
d1a890fa
SB		 540 }
541
542out:
543 clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
544 if (err)
545 vmxnet3_force_close(adapter);
546
547 return err;
548}
549
550
09c5088e
SB		 551static int
552vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
815c7db5 553 u32 *rules)
09c5088e
SB		 554{
555 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
556 switch (info->cmd) {
557 case ETHTOOL_GRXRINGS:
558 info->data = adapter->num_rx_queues;
559 return 0;
560 }
561 return -EOPNOTSUPP;
562}
563
e9248fbd 564#ifdef VMXNET3_RSS
7850f63f
BH		 565static u32
566vmxnet3_get_rss_indir_size(struct net_device *netdev)
567{
568 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
569 struct UPT1_RSSConf *rssConf = adapter->rss_conf;
570
571 return rssConf->indTableSize;
572}
573
09c5088e 574static int
7850f63f 575vmxnet3_get_rss_indir(struct net_device *netdev, u32 *p)
09c5088e
SB		 576{
577 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
578 struct UPT1_RSSConf *rssConf = adapter->rss_conf;
7850f63f 579 unsigned int n = rssConf->indTableSize;
09c5088e 580
09c5088e 581 while (n--)
7850f63f 582 p[n] = rssConf->indTable[n];
09c5088e
SB		 583 return 0;
584
585}
586
587static int
7850f63f 588vmxnet3_set_rss_indir(struct net_device *netdev, const u32 *p)
09c5088e
SB		 589{
590 unsigned int i;
83d0feff 591 unsigned long flags;
09c5088e
SB		 592 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
593 struct UPT1_RSSConf *rssConf = adapter->rss_conf;
594
09c5088e 595 for (i = 0; i < rssConf->indTableSize; i++)
7850f63f 596 rssConf->indTable[i] = p[i];
09c5088e 597
83d0feff 598 spin_lock_irqsave(&adapter->cmd_lock, flags);
09c5088e
SB		 599 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
600 VMXNET3_CMD_UPDATE_RSSIDT);
83d0feff 601 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
09c5088e
SB		 602
603 return 0;
604
605}
e9248fbd 606#endif
09c5088e 607
c8b88efc 608static const struct ethtool_ops vmxnet3_ethtool_ops = {
d1a890fa
SB		 609 .get_settings = vmxnet3_get_settings,
610 .get_drvinfo = vmxnet3_get_drvinfo,
611 .get_regs_len = vmxnet3_get_regs_len,
612 .get_regs = vmxnet3_get_regs,
613 .get_wol = vmxnet3_get_wol,
614 .set_wol = vmxnet3_set_wol,
615 .get_link = ethtool_op_get_link,
d1a890fa 616 .get_strings = vmxnet3_get_strings,
d1a890fa
SB		 617 .get_sset_count = vmxnet3_get_sset_count,
618 .get_ethtool_stats = vmxnet3_get_ethtool_stats,
619 .get_ringparam = vmxnet3_get_ringparam,
620 .set_ringparam = vmxnet3_set_ringparam,
09c5088e 621 .get_rxnfc = vmxnet3_get_rxnfc,
e9248fbd 622#ifdef VMXNET3_RSS
7850f63f 623 .get_rxfh_indir_size = vmxnet3_get_rss_indir_size,
09c5088e
SB		 624 .get_rxfh_indir = vmxnet3_get_rss_indir,
625 .set_rxfh_indir = vmxnet3_set_rss_indir,
e9248fbd 626#endif
d1a890fa
SB		 627};
628
629void vmxnet3_set_ethtool_ops(struct net_device *netdev)
630{
631 SET_ETHTOOL_OPS(netdev, &vmxnet3_ethtool_ops);
632}
Linux kernel - Deliverables
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