2 * Linux driver for VMware's vmxnet3 ethernet NIC.
4 * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
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.
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
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.
20 * The full GNU General Public License is included in this distribution in
21 * the file called "COPYING".
23 * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
28 #include "vmxnet3_int.h"
30 struct vmxnet3_stat_desc {
31 char desc[ETH_GSTRING_LEN];
36 /* per tq stats maintained by the device */
37 static const struct vmxnet3_stat_desc
38 vmxnet3_tq_dev_stats[] = {
39 /* description, offset */
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) },
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,
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,
67 { " ring full", offsetof(struct vmxnet3_tq_driver_stats,
69 { " pkts linearized", offsetof(struct vmxnet3_tq_driver_stats,
71 { " hdr cloned", offsetof(struct vmxnet3_tq_driver_stats,
73 { " giant hdr", offsetof(struct vmxnet3_tq_driver_stats,
77 /* per rq stats maintained by the device */
78 static const struct vmxnet3_stat_desc
79 vmxnet3_rq_dev_stats[] = {
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) },
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,
99 { " err", offsetof(struct vmxnet3_rq_driver_stats,
101 { " fcs", offsetof(struct vmxnet3_rq_driver_stats,
103 { " rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats,
104 rx_buf_alloc_failure) },
107 /* global 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,
116 struct rtnl_link_stats64 *
117 vmxnet3_get_stats64(struct net_device *netdev,
118 struct rtnl_link_stats64 *stats)
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;
128 adapter = netdev_priv(netdev);
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);
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;
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;
155 stats->rx_bytes += devRxStats->ucastBytesRxOK +
156 devRxStats->mcastBytesRxOK +
157 devRxStats->bcastBytesRxOK;
159 stats->rx_errors += devRxStats->pktsRxError;
160 stats->rx_dropped += drvRxStats->drop_total;
161 stats->multicast += devRxStats->mcastPktsRxOK;
168 vmxnet3_get_sset_count(struct net_device *netdev, int sset)
170 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
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);
186 /* This is a version 2 of the vmxnet3 ethtool_regs which goes hand in hand with
187 * the version 2 of the vmxnet3 support for ethtool(8) --register-dump.
188 * Therefore, if any registers are added, removed or modified, then a version
189 * bump and a corresponding change in the vmxnet3 support for ethtool(8)
190 * --register-dump would be required.
193 vmxnet3_get_regs_len(struct net_device *netdev)
195 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
197 return ((9 /* BAR1 registers */ +
198 (1 + adapter->intr.num_intrs) +
199 (1 + adapter->num_tx_queues * 17 /* Tx queue registers */) +
200 (1 + adapter->num_rx_queues * 23 /* Rx queue registers */)) *
206 vmxnet3_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
208 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
210 strlcpy(drvinfo->driver, vmxnet3_driver_name, sizeof(drvinfo->driver));
212 strlcpy(drvinfo->version, VMXNET3_DRIVER_VERSION_REPORT,
213 sizeof(drvinfo->version));
215 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
216 sizeof(drvinfo->bus_info));
217 drvinfo->n_stats = vmxnet3_get_sset_count(netdev, ETH_SS_STATS);
218 drvinfo->testinfo_len = 0;
219 drvinfo->eedump_len = 0;
220 drvinfo->regdump_len = vmxnet3_get_regs_len(netdev);
225 vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
227 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
228 if (stringset == ETH_SS_STATS) {
230 for (j = 0; j < adapter->num_tx_queues; j++) {
231 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++) {
232 memcpy(buf, vmxnet3_tq_dev_stats[i].desc,
234 buf += ETH_GSTRING_LEN;
236 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats);
238 memcpy(buf, vmxnet3_tq_driver_stats[i].desc,
240 buf += ETH_GSTRING_LEN;
244 for (j = 0; j < adapter->num_rx_queues; j++) {
245 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++) {
246 memcpy(buf, vmxnet3_rq_dev_stats[i].desc,
248 buf += ETH_GSTRING_LEN;
250 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats);
252 memcpy(buf, vmxnet3_rq_driver_stats[i].desc,
254 buf += ETH_GSTRING_LEN;
258 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++) {
259 memcpy(buf, vmxnet3_global_stats[i].desc,
261 buf += ETH_GSTRING_LEN;
266 int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features)
268 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
270 netdev_features_t changed = features ^ netdev->features;
272 if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO |
273 NETIF_F_HW_VLAN_CTAG_RX)) {
274 if (features & NETIF_F_RXCSUM)
275 adapter->shared->devRead.misc.uptFeatures |=
278 adapter->shared->devRead.misc.uptFeatures &=
281 /* update hardware LRO capability accordingly */
282 if (features & NETIF_F_LRO)
283 adapter->shared->devRead.misc.uptFeatures |=
286 adapter->shared->devRead.misc.uptFeatures &=
289 if (features & NETIF_F_HW_VLAN_CTAG_RX)
290 adapter->shared->devRead.misc.uptFeatures |=
293 adapter->shared->devRead.misc.uptFeatures &=
296 spin_lock_irqsave(&adapter->cmd_lock, flags);
297 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
298 VMXNET3_CMD_UPDATE_FEATURE);
299 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
305 vmxnet3_get_ethtool_stats(struct net_device *netdev,
306 struct ethtool_stats *stats, u64 *buf)
308 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
314 spin_lock_irqsave(&adapter->cmd_lock, flags);
315 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
316 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
318 /* this does assume each counter is 64-bit wide */
319 for (j = 0; j < adapter->num_tx_queues; j++) {
320 base = (u8 *)&adapter->tqd_start[j].stats;
322 for (i = 1; i < ARRAY_SIZE(vmxnet3_tq_dev_stats); i++)
323 *buf++ = *(u64 *)(base +
324 vmxnet3_tq_dev_stats[i].offset);
326 base = (u8 *)&adapter->tx_queue[j].stats;
327 for (i = 0; i < ARRAY_SIZE(vmxnet3_tq_driver_stats); i++)
328 *buf++ = *(u64 *)(base +
329 vmxnet3_tq_driver_stats[i].offset);
332 for (j = 0; j < adapter->num_rx_queues; j++) {
333 base = (u8 *)&adapter->rqd_start[j].stats;
335 for (i = 1; i < ARRAY_SIZE(vmxnet3_rq_dev_stats); i++)
336 *buf++ = *(u64 *)(base +
337 vmxnet3_rq_dev_stats[i].offset);
339 base = (u8 *)&adapter->rx_queue[j].stats;
340 for (i = 0; i < ARRAY_SIZE(vmxnet3_rq_driver_stats); i++)
341 *buf++ = *(u64 *)(base +
342 vmxnet3_rq_driver_stats[i].offset);
345 base = (u8 *)adapter;
346 for (i = 0; i < ARRAY_SIZE(vmxnet3_global_stats); i++)
347 *buf++ = *(u64 *)(base + vmxnet3_global_stats[i].offset);
351 /* This is a version 2 of the vmxnet3 ethtool_regs which goes hand in hand with
352 * the version 2 of the vmxnet3 support for ethtool(8) --register-dump.
353 * Therefore, if any registers are added, removed or modified, then a version
354 * bump and a corresponding change in the vmxnet3 support for ethtool(8)
355 * --register-dump would be required.
358 vmxnet3_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
360 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
364 memset(p, 0, vmxnet3_get_regs_len(netdev));
368 /* Update vmxnet3_get_regs_len if we want to dump more registers */
370 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_VRRS);
371 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_UVRS);
372 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_DSAL);
373 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_DSAH);
374 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
375 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACL);
376 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_MACH);
377 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_ICR);
378 buf[j++] = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_ECR);
380 buf[j++] = adapter->intr.num_intrs;
381 for (i = 0; i < adapter->intr.num_intrs; i++) {
382 buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_IMR
383 + i * VMXNET3_REG_ALIGN);
386 buf[j++] = adapter->num_tx_queues;
387 for (i = 0; i < adapter->num_tx_queues; i++) {
388 struct vmxnet3_tx_queue *tq = &adapter->tx_queue[i];
390 buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_TXPROD +
391 i * VMXNET3_REG_ALIGN);
393 buf[j++] = VMXNET3_GET_ADDR_LO(tq->tx_ring.basePA);
394 buf[j++] = VMXNET3_GET_ADDR_HI(tq->tx_ring.basePA);
395 buf[j++] = tq->tx_ring.size;
396 buf[j++] = tq->tx_ring.next2fill;
397 buf[j++] = tq->tx_ring.next2comp;
398 buf[j++] = tq->tx_ring.gen;
400 buf[j++] = VMXNET3_GET_ADDR_LO(tq->data_ring.basePA);
401 buf[j++] = VMXNET3_GET_ADDR_HI(tq->data_ring.basePA);
402 buf[j++] = tq->data_ring.size;
403 /* transmit data ring buffer size */
404 buf[j++] = VMXNET3_HDR_COPY_SIZE;
406 buf[j++] = VMXNET3_GET_ADDR_LO(tq->comp_ring.basePA);
407 buf[j++] = VMXNET3_GET_ADDR_HI(tq->comp_ring.basePA);
408 buf[j++] = tq->comp_ring.size;
409 buf[j++] = tq->comp_ring.next2proc;
410 buf[j++] = tq->comp_ring.gen;
412 buf[j++] = tq->stopped;
415 buf[j++] = adapter->num_rx_queues;
416 for (i = 0; i < adapter->num_rx_queues; i++) {
417 struct vmxnet3_rx_queue *rq = &adapter->rx_queue[i];
419 buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_RXPROD +
420 i * VMXNET3_REG_ALIGN);
421 buf[j++] = VMXNET3_READ_BAR0_REG(adapter, VMXNET3_REG_RXPROD2 +
422 i * VMXNET3_REG_ALIGN);
424 buf[j++] = VMXNET3_GET_ADDR_LO(rq->rx_ring[0].basePA);
425 buf[j++] = VMXNET3_GET_ADDR_HI(rq->rx_ring[0].basePA);
426 buf[j++] = rq->rx_ring[0].size;
427 buf[j++] = rq->rx_ring[0].next2fill;
428 buf[j++] = rq->rx_ring[0].next2comp;
429 buf[j++] = rq->rx_ring[0].gen;
431 buf[j++] = VMXNET3_GET_ADDR_LO(rq->rx_ring[1].basePA);
432 buf[j++] = VMXNET3_GET_ADDR_HI(rq->rx_ring[1].basePA);
433 buf[j++] = rq->rx_ring[1].size;
434 buf[j++] = rq->rx_ring[1].next2fill;
435 buf[j++] = rq->rx_ring[1].next2comp;
436 buf[j++] = rq->rx_ring[1].gen;
438 /* receive data ring */
444 buf[j++] = VMXNET3_GET_ADDR_LO(rq->comp_ring.basePA);
445 buf[j++] = VMXNET3_GET_ADDR_HI(rq->comp_ring.basePA);
446 buf[j++] = rq->comp_ring.size;
447 buf[j++] = rq->comp_ring.next2proc;
448 buf[j++] = rq->comp_ring.gen;
454 vmxnet3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
456 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
458 wol->supported = WAKE_UCAST | WAKE_ARP | WAKE_MAGIC;
459 wol->wolopts = adapter->wol;
464 vmxnet3_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
466 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
468 if (wol->wolopts & (WAKE_PHY | WAKE_MCAST | WAKE_BCAST |
473 adapter->wol = wol->wolopts;
475 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
482 vmxnet3_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
484 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
486 ecmd->supported = SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full |
488 ecmd->advertising = ADVERTISED_TP;
489 ecmd->port = PORT_TP;
490 ecmd->transceiver = XCVR_INTERNAL;
492 if (adapter->link_speed) {
493 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
494 ecmd->duplex = DUPLEX_FULL;
496 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
497 ecmd->duplex = DUPLEX_UNKNOWN;
504 vmxnet3_get_ringparam(struct net_device *netdev,
505 struct ethtool_ringparam *param)
507 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
509 param->rx_max_pending = VMXNET3_RX_RING_MAX_SIZE;
510 param->tx_max_pending = VMXNET3_TX_RING_MAX_SIZE;
511 param->rx_mini_max_pending = 0;
512 param->rx_jumbo_max_pending = VMXNET3_RX_RING2_MAX_SIZE;
514 param->rx_pending = adapter->rx_ring_size;
515 param->tx_pending = adapter->tx_ring_size;
516 param->rx_mini_pending = 0;
517 param->rx_jumbo_pending = adapter->rx_ring2_size;
522 vmxnet3_set_ringparam(struct net_device *netdev,
523 struct ethtool_ringparam *param)
525 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
526 u32 new_tx_ring_size, new_rx_ring_size, new_rx_ring2_size;
530 if (param->tx_pending == 0 || param->tx_pending >
531 VMXNET3_TX_RING_MAX_SIZE)
534 if (param->rx_pending == 0 || param->rx_pending >
535 VMXNET3_RX_RING_MAX_SIZE)
538 if (param->rx_jumbo_pending == 0 ||
539 param->rx_jumbo_pending > VMXNET3_RX_RING2_MAX_SIZE)
542 /* if adapter not yet initialized, do nothing */
543 if (adapter->rx_buf_per_pkt == 0) {
544 netdev_err(netdev, "adapter not completely initialized, "
545 "ring size cannot be changed yet\n");
549 /* round it up to a multiple of VMXNET3_RING_SIZE_ALIGN */
550 new_tx_ring_size = (param->tx_pending + VMXNET3_RING_SIZE_MASK) &
551 ~VMXNET3_RING_SIZE_MASK;
552 new_tx_ring_size = min_t(u32, new_tx_ring_size,
553 VMXNET3_TX_RING_MAX_SIZE);
554 if (new_tx_ring_size > VMXNET3_TX_RING_MAX_SIZE || (new_tx_ring_size %
555 VMXNET3_RING_SIZE_ALIGN) != 0)
558 /* ring0 has to be a multiple of
559 * rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN
561 sz = adapter->rx_buf_per_pkt * VMXNET3_RING_SIZE_ALIGN;
562 new_rx_ring_size = (param->rx_pending + sz - 1) / sz * sz;
563 new_rx_ring_size = min_t(u32, new_rx_ring_size,
564 VMXNET3_RX_RING_MAX_SIZE / sz * sz);
565 if (new_rx_ring_size > VMXNET3_RX_RING_MAX_SIZE || (new_rx_ring_size %
569 /* ring2 has to be a multiple of VMXNET3_RING_SIZE_ALIGN */
570 new_rx_ring2_size = (param->rx_jumbo_pending + VMXNET3_RING_SIZE_MASK) &
571 ~VMXNET3_RING_SIZE_MASK;
572 new_rx_ring2_size = min_t(u32, new_rx_ring2_size,
573 VMXNET3_RX_RING2_MAX_SIZE);
575 if (new_tx_ring_size == adapter->tx_ring_size &&
576 new_rx_ring_size == adapter->rx_ring_size &&
577 new_rx_ring2_size == adapter->rx_ring2_size) {
582 * Reset_work may be in the middle of resetting the device, wait for its
585 while (test_and_set_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state))
588 if (netif_running(netdev)) {
589 vmxnet3_quiesce_dev(adapter);
590 vmxnet3_reset_dev(adapter);
592 /* recreate the rx queue and the tx queue based on the
594 vmxnet3_tq_destroy_all(adapter);
595 vmxnet3_rq_destroy_all(adapter);
597 err = vmxnet3_create_queues(adapter, new_tx_ring_size,
598 new_rx_ring_size, new_rx_ring2_size);
601 /* failed, most likely because of OOM, try default
603 netdev_err(netdev, "failed to apply new sizes, "
604 "try the default ones\n");
605 new_rx_ring_size = VMXNET3_DEF_RX_RING_SIZE;
606 new_rx_ring2_size = VMXNET3_DEF_RX_RING2_SIZE;
607 new_tx_ring_size = VMXNET3_DEF_TX_RING_SIZE;
608 err = vmxnet3_create_queues(adapter,
613 netdev_err(netdev, "failed to create queues "
614 "with default sizes. Closing it\n");
619 err = vmxnet3_activate_dev(adapter);
621 netdev_err(netdev, "failed to re-activate, error %d."
622 " Closing it\n", err);
624 adapter->tx_ring_size = new_tx_ring_size;
625 adapter->rx_ring_size = new_rx_ring_size;
626 adapter->rx_ring2_size = new_rx_ring2_size;
629 clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state);
631 vmxnet3_force_close(adapter);
638 vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
641 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
643 case ETHTOOL_GRXRINGS:
644 info->data = adapter->num_rx_queues;
652 vmxnet3_get_rss_indir_size(struct net_device *netdev)
654 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
655 struct UPT1_RSSConf *rssConf = adapter->rss_conf;
657 return rssConf->indTableSize;
661 vmxnet3_get_rss(struct net_device *netdev, u32 *p, u8 *key, u8 *hfunc)
663 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
664 struct UPT1_RSSConf *rssConf = adapter->rss_conf;
665 unsigned int n = rssConf->indTableSize;
668 *hfunc = ETH_RSS_HASH_TOP;
672 p[n] = rssConf->indTable[n];
678 vmxnet3_set_rss(struct net_device *netdev, const u32 *p, const u8 *key,
683 struct vmxnet3_adapter *adapter = netdev_priv(netdev);
684 struct UPT1_RSSConf *rssConf = adapter->rss_conf;
686 /* We do not allow change in unsupported parameters */
688 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
692 for (i = 0; i < rssConf->indTableSize; i++)
693 rssConf->indTable[i] = p[i];
695 spin_lock_irqsave(&adapter->cmd_lock, flags);
696 VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
697 VMXNET3_CMD_UPDATE_RSSIDT);
698 spin_unlock_irqrestore(&adapter->cmd_lock, flags);
705 static const struct ethtool_ops vmxnet3_ethtool_ops = {
706 .get_settings = vmxnet3_get_settings,
707 .get_drvinfo = vmxnet3_get_drvinfo,
708 .get_regs_len = vmxnet3_get_regs_len,
709 .get_regs = vmxnet3_get_regs,
710 .get_wol = vmxnet3_get_wol,
711 .set_wol = vmxnet3_set_wol,
712 .get_link = ethtool_op_get_link,
713 .get_strings = vmxnet3_get_strings,
714 .get_sset_count = vmxnet3_get_sset_count,
715 .get_ethtool_stats = vmxnet3_get_ethtool_stats,
716 .get_ringparam = vmxnet3_get_ringparam,
717 .set_ringparam = vmxnet3_set_ringparam,
718 .get_rxnfc = vmxnet3_get_rxnfc,
720 .get_rxfh_indir_size = vmxnet3_get_rss_indir_size,
721 .get_rxfh = vmxnet3_get_rss,
722 .set_rxfh = vmxnet3_set_rss,
726 void vmxnet3_set_ethtool_ops(struct net_device *netdev)
728 netdev->ethtool_ops = &vmxnet3_ethtool_ops;