Loading...
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4/* ethtool support for ixgbevf */
5
6#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
7
8#include <linux/types.h>
9#include <linux/module.h>
10#include <linux/slab.h>
11#include <linux/pci.h>
12#include <linux/netdevice.h>
13#include <linux/ethtool.h>
14#include <linux/vmalloc.h>
15#include <linux/if_vlan.h>
16#include <linux/uaccess.h>
17
18#include "ixgbevf.h"
19
20enum {NETDEV_STATS, IXGBEVF_STATS};
21
22struct ixgbe_stats {
23 char stat_string[ETH_GSTRING_LEN];
24 int type;
25 int sizeof_stat;
26 int stat_offset;
27};
28
29#define IXGBEVF_STAT(_name, _stat) { \
30 .stat_string = _name, \
31 .type = IXGBEVF_STATS, \
32 .sizeof_stat = sizeof_field(struct ixgbevf_adapter, _stat), \
33 .stat_offset = offsetof(struct ixgbevf_adapter, _stat) \
34}
35
36#define IXGBEVF_NETDEV_STAT(_net_stat) { \
37 .stat_string = #_net_stat, \
38 .type = NETDEV_STATS, \
39 .sizeof_stat = sizeof_field(struct net_device_stats, _net_stat), \
40 .stat_offset = offsetof(struct net_device_stats, _net_stat) \
41}
42
43static struct ixgbe_stats ixgbevf_gstrings_stats[] = {
44 IXGBEVF_NETDEV_STAT(rx_packets),
45 IXGBEVF_NETDEV_STAT(tx_packets),
46 IXGBEVF_NETDEV_STAT(rx_bytes),
47 IXGBEVF_NETDEV_STAT(tx_bytes),
48 IXGBEVF_STAT("tx_busy", tx_busy),
49 IXGBEVF_STAT("tx_restart_queue", restart_queue),
50 IXGBEVF_STAT("tx_timeout_count", tx_timeout_count),
51 IXGBEVF_NETDEV_STAT(multicast),
52 IXGBEVF_STAT("rx_csum_offload_errors", hw_csum_rx_error),
53 IXGBEVF_STAT("alloc_rx_page", alloc_rx_page),
54 IXGBEVF_STAT("alloc_rx_page_failed", alloc_rx_page_failed),
55 IXGBEVF_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
56 IXGBEVF_STAT("tx_ipsec", tx_ipsec),
57 IXGBEVF_STAT("rx_ipsec", rx_ipsec),
58};
59
60#define IXGBEVF_QUEUE_STATS_LEN ( \
61 (((struct ixgbevf_adapter *)netdev_priv(netdev))->num_tx_queues + \
62 ((struct ixgbevf_adapter *)netdev_priv(netdev))->num_xdp_queues + \
63 ((struct ixgbevf_adapter *)netdev_priv(netdev))->num_rx_queues) * \
64 (sizeof(struct ixgbevf_stats) / sizeof(u64)))
65#define IXGBEVF_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbevf_gstrings_stats)
66
67#define IXGBEVF_STATS_LEN (IXGBEVF_GLOBAL_STATS_LEN + IXGBEVF_QUEUE_STATS_LEN)
68static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
69 "Register test (offline)",
70 "Link test (on/offline)"
71};
72
73#define IXGBEVF_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
74
75static const char ixgbevf_priv_flags_strings[][ETH_GSTRING_LEN] = {
76#define IXGBEVF_PRIV_FLAGS_LEGACY_RX BIT(0)
77 "legacy-rx",
78};
79
80#define IXGBEVF_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbevf_priv_flags_strings)
81
82static int ixgbevf_get_link_ksettings(struct net_device *netdev,
83 struct ethtool_link_ksettings *cmd)
84{
85 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
86
87 ethtool_link_ksettings_zero_link_mode(cmd, supported);
88 ethtool_link_ksettings_add_link_mode(cmd, supported, 10000baseT_Full);
89 cmd->base.autoneg = AUTONEG_DISABLE;
90 cmd->base.port = -1;
91
92 if (adapter->link_up) {
93 __u32 speed = SPEED_10000;
94
95 switch (adapter->link_speed) {
96 case IXGBE_LINK_SPEED_10GB_FULL:
97 speed = SPEED_10000;
98 break;
99 case IXGBE_LINK_SPEED_1GB_FULL:
100 speed = SPEED_1000;
101 break;
102 case IXGBE_LINK_SPEED_100_FULL:
103 speed = SPEED_100;
104 break;
105 }
106
107 cmd->base.speed = speed;
108 cmd->base.duplex = DUPLEX_FULL;
109 } else {
110 cmd->base.speed = SPEED_UNKNOWN;
111 cmd->base.duplex = DUPLEX_UNKNOWN;
112 }
113
114 return 0;
115}
116
117static u32 ixgbevf_get_msglevel(struct net_device *netdev)
118{
119 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
120
121 return adapter->msg_enable;
122}
123
124static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
125{
126 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
127
128 adapter->msg_enable = data;
129}
130
131static int ixgbevf_get_regs_len(struct net_device *netdev)
132{
133#define IXGBE_REGS_LEN 45
134 return IXGBE_REGS_LEN * sizeof(u32);
135}
136
137static void ixgbevf_get_regs(struct net_device *netdev,
138 struct ethtool_regs *regs,
139 void *p)
140{
141 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
142 struct ixgbe_hw *hw = &adapter->hw;
143 u32 *regs_buff = p;
144 u32 regs_len = ixgbevf_get_regs_len(netdev);
145 u8 i;
146
147 memset(p, 0, regs_len);
148
149 /* generate a number suitable for ethtool's register version */
150 regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
151
152 /* General Registers */
153 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
154 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
155 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
156 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
157 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER);
158
159 /* Interrupt */
160 /* don't read EICR because it can clear interrupt causes, instead
161 * read EICS which is a shadow but doesn't clear EICR
162 */
163 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
164 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
165 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
166 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
167 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
168 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
169 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
170 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
171 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
172
173 /* Receive DMA */
174 for (i = 0; i < 2; i++)
175 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
176 for (i = 0; i < 2; i++)
177 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
178 for (i = 0; i < 2; i++)
179 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
180 for (i = 0; i < 2; i++)
181 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
182 for (i = 0; i < 2; i++)
183 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
184 for (i = 0; i < 2; i++)
185 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
186 for (i = 0; i < 2; i++)
187 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
188
189 /* Receive */
190 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
191
192 /* Transmit */
193 for (i = 0; i < 2; i++)
194 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
195 for (i = 0; i < 2; i++)
196 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
197 for (i = 0; i < 2; i++)
198 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
199 for (i = 0; i < 2; i++)
200 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
201 for (i = 0; i < 2; i++)
202 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
203 for (i = 0; i < 2; i++)
204 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
205 for (i = 0; i < 2; i++)
206 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
207 for (i = 0; i < 2; i++)
208 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
209}
210
211static void ixgbevf_get_drvinfo(struct net_device *netdev,
212 struct ethtool_drvinfo *drvinfo)
213{
214 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
215
216 strscpy(drvinfo->driver, ixgbevf_driver_name, sizeof(drvinfo->driver));
217 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
218 sizeof(drvinfo->bus_info));
219
220 drvinfo->n_priv_flags = IXGBEVF_PRIV_FLAGS_STR_LEN;
221}
222
223static void ixgbevf_get_ringparam(struct net_device *netdev,
224 struct ethtool_ringparam *ring,
225 struct kernel_ethtool_ringparam *kernel_ring,
226 struct netlink_ext_ack *extack)
227{
228 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
229
230 ring->rx_max_pending = IXGBEVF_MAX_RXD;
231 ring->tx_max_pending = IXGBEVF_MAX_TXD;
232 ring->rx_pending = adapter->rx_ring_count;
233 ring->tx_pending = adapter->tx_ring_count;
234}
235
236static int ixgbevf_set_ringparam(struct net_device *netdev,
237 struct ethtool_ringparam *ring,
238 struct kernel_ethtool_ringparam *kernel_ring,
239 struct netlink_ext_ack *extack)
240{
241 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
242 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
243 u32 new_rx_count, new_tx_count;
244 int i, j, err = 0;
245
246 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
247 return -EINVAL;
248
249 new_tx_count = max_t(u32, ring->tx_pending, IXGBEVF_MIN_TXD);
250 new_tx_count = min_t(u32, new_tx_count, IXGBEVF_MAX_TXD);
251 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
252
253 new_rx_count = max_t(u32, ring->rx_pending, IXGBEVF_MIN_RXD);
254 new_rx_count = min_t(u32, new_rx_count, IXGBEVF_MAX_RXD);
255 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
256
257 /* if nothing to do return success */
258 if ((new_tx_count == adapter->tx_ring_count) &&
259 (new_rx_count == adapter->rx_ring_count))
260 return 0;
261
262 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
263 usleep_range(1000, 2000);
264
265 if (!netif_running(adapter->netdev)) {
266 for (i = 0; i < adapter->num_tx_queues; i++)
267 adapter->tx_ring[i]->count = new_tx_count;
268 for (i = 0; i < adapter->num_xdp_queues; i++)
269 adapter->xdp_ring[i]->count = new_tx_count;
270 for (i = 0; i < adapter->num_rx_queues; i++)
271 adapter->rx_ring[i]->count = new_rx_count;
272 adapter->tx_ring_count = new_tx_count;
273 adapter->xdp_ring_count = new_tx_count;
274 adapter->rx_ring_count = new_rx_count;
275 goto clear_reset;
276 }
277
278 if (new_tx_count != adapter->tx_ring_count) {
279 tx_ring = vmalloc(array_size(sizeof(*tx_ring),
280 adapter->num_tx_queues +
281 adapter->num_xdp_queues));
282 if (!tx_ring) {
283 err = -ENOMEM;
284 goto clear_reset;
285 }
286
287 for (i = 0; i < adapter->num_tx_queues; i++) {
288 /* clone ring and setup updated count */
289 tx_ring[i] = *adapter->tx_ring[i];
290 tx_ring[i].count = new_tx_count;
291 err = ixgbevf_setup_tx_resources(&tx_ring[i]);
292 if (err) {
293 while (i) {
294 i--;
295 ixgbevf_free_tx_resources(&tx_ring[i]);
296 }
297
298 vfree(tx_ring);
299 tx_ring = NULL;
300
301 goto clear_reset;
302 }
303 }
304
305 for (j = 0; j < adapter->num_xdp_queues; i++, j++) {
306 /* clone ring and setup updated count */
307 tx_ring[i] = *adapter->xdp_ring[j];
308 tx_ring[i].count = new_tx_count;
309 err = ixgbevf_setup_tx_resources(&tx_ring[i]);
310 if (err) {
311 while (i) {
312 i--;
313 ixgbevf_free_tx_resources(&tx_ring[i]);
314 }
315
316 vfree(tx_ring);
317 tx_ring = NULL;
318
319 goto clear_reset;
320 }
321 }
322 }
323
324 if (new_rx_count != adapter->rx_ring_count) {
325 rx_ring = vmalloc(array_size(sizeof(*rx_ring),
326 adapter->num_rx_queues));
327 if (!rx_ring) {
328 err = -ENOMEM;
329 goto clear_reset;
330 }
331
332 for (i = 0; i < adapter->num_rx_queues; i++) {
333 /* clone ring and setup updated count */
334 rx_ring[i] = *adapter->rx_ring[i];
335
336 /* Clear copied XDP RX-queue info */
337 memset(&rx_ring[i].xdp_rxq, 0,
338 sizeof(rx_ring[i].xdp_rxq));
339
340 rx_ring[i].count = new_rx_count;
341 err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]);
342 if (err) {
343 while (i) {
344 i--;
345 ixgbevf_free_rx_resources(&rx_ring[i]);
346 }
347
348 vfree(rx_ring);
349 rx_ring = NULL;
350
351 goto clear_reset;
352 }
353 }
354 }
355
356 /* bring interface down to prepare for update */
357 ixgbevf_down(adapter);
358
359 /* Tx */
360 if (tx_ring) {
361 for (i = 0; i < adapter->num_tx_queues; i++) {
362 ixgbevf_free_tx_resources(adapter->tx_ring[i]);
363 *adapter->tx_ring[i] = tx_ring[i];
364 }
365 adapter->tx_ring_count = new_tx_count;
366
367 for (j = 0; j < adapter->num_xdp_queues; i++, j++) {
368 ixgbevf_free_tx_resources(adapter->xdp_ring[j]);
369 *adapter->xdp_ring[j] = tx_ring[i];
370 }
371 adapter->xdp_ring_count = new_tx_count;
372
373 vfree(tx_ring);
374 tx_ring = NULL;
375 }
376
377 /* Rx */
378 if (rx_ring) {
379 for (i = 0; i < adapter->num_rx_queues; i++) {
380 ixgbevf_free_rx_resources(adapter->rx_ring[i]);
381 *adapter->rx_ring[i] = rx_ring[i];
382 }
383 adapter->rx_ring_count = new_rx_count;
384
385 vfree(rx_ring);
386 rx_ring = NULL;
387 }
388
389 /* restore interface using new values */
390 ixgbevf_up(adapter);
391
392clear_reset:
393 /* free Tx resources if Rx error is encountered */
394 if (tx_ring) {
395 for (i = 0;
396 i < adapter->num_tx_queues + adapter->num_xdp_queues; i++)
397 ixgbevf_free_tx_resources(&tx_ring[i]);
398 vfree(tx_ring);
399 }
400
401 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
402 return err;
403}
404
405static int ixgbevf_get_sset_count(struct net_device *netdev, int stringset)
406{
407 switch (stringset) {
408 case ETH_SS_TEST:
409 return IXGBEVF_TEST_LEN;
410 case ETH_SS_STATS:
411 return IXGBEVF_STATS_LEN;
412 case ETH_SS_PRIV_FLAGS:
413 return IXGBEVF_PRIV_FLAGS_STR_LEN;
414 default:
415 return -EINVAL;
416 }
417}
418
419static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
420 struct ethtool_stats *stats, u64 *data)
421{
422 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
423 struct rtnl_link_stats64 temp;
424 const struct rtnl_link_stats64 *net_stats;
425 unsigned int start;
426 struct ixgbevf_ring *ring;
427 int i, j;
428 char *p;
429
430 ixgbevf_update_stats(adapter);
431 net_stats = dev_get_stats(netdev, &temp);
432 for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
433 switch (ixgbevf_gstrings_stats[i].type) {
434 case NETDEV_STATS:
435 p = (char *)net_stats +
436 ixgbevf_gstrings_stats[i].stat_offset;
437 break;
438 case IXGBEVF_STATS:
439 p = (char *)adapter +
440 ixgbevf_gstrings_stats[i].stat_offset;
441 break;
442 default:
443 data[i] = 0;
444 continue;
445 }
446
447 data[i] = (ixgbevf_gstrings_stats[i].sizeof_stat ==
448 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
449 }
450
451 /* populate Tx queue data */
452 for (j = 0; j < adapter->num_tx_queues; j++) {
453 ring = adapter->tx_ring[j];
454 if (!ring) {
455 data[i++] = 0;
456 data[i++] = 0;
457 continue;
458 }
459
460 do {
461 start = u64_stats_fetch_begin(&ring->syncp);
462 data[i] = ring->stats.packets;
463 data[i + 1] = ring->stats.bytes;
464 } while (u64_stats_fetch_retry(&ring->syncp, start));
465 i += 2;
466 }
467
468 /* populate XDP queue data */
469 for (j = 0; j < adapter->num_xdp_queues; j++) {
470 ring = adapter->xdp_ring[j];
471 if (!ring) {
472 data[i++] = 0;
473 data[i++] = 0;
474 continue;
475 }
476
477 do {
478 start = u64_stats_fetch_begin(&ring->syncp);
479 data[i] = ring->stats.packets;
480 data[i + 1] = ring->stats.bytes;
481 } while (u64_stats_fetch_retry(&ring->syncp, start));
482 i += 2;
483 }
484
485 /* populate Rx queue data */
486 for (j = 0; j < adapter->num_rx_queues; j++) {
487 ring = adapter->rx_ring[j];
488 if (!ring) {
489 data[i++] = 0;
490 data[i++] = 0;
491 continue;
492 }
493
494 do {
495 start = u64_stats_fetch_begin(&ring->syncp);
496 data[i] = ring->stats.packets;
497 data[i + 1] = ring->stats.bytes;
498 } while (u64_stats_fetch_retry(&ring->syncp, start));
499 i += 2;
500 }
501}
502
503static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
504 u8 *data)
505{
506 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
507 char *p = (char *)data;
508 int i;
509
510 switch (stringset) {
511 case ETH_SS_TEST:
512 memcpy(data, *ixgbe_gstrings_test,
513 IXGBEVF_TEST_LEN * ETH_GSTRING_LEN);
514 break;
515 case ETH_SS_STATS:
516 for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
517 memcpy(p, ixgbevf_gstrings_stats[i].stat_string,
518 ETH_GSTRING_LEN);
519 p += ETH_GSTRING_LEN;
520 }
521
522 for (i = 0; i < adapter->num_tx_queues; i++) {
523 sprintf(p, "tx_queue_%u_packets", i);
524 p += ETH_GSTRING_LEN;
525 sprintf(p, "tx_queue_%u_bytes", i);
526 p += ETH_GSTRING_LEN;
527 }
528 for (i = 0; i < adapter->num_xdp_queues; i++) {
529 sprintf(p, "xdp_queue_%u_packets", i);
530 p += ETH_GSTRING_LEN;
531 sprintf(p, "xdp_queue_%u_bytes", i);
532 p += ETH_GSTRING_LEN;
533 }
534 for (i = 0; i < adapter->num_rx_queues; i++) {
535 sprintf(p, "rx_queue_%u_packets", i);
536 p += ETH_GSTRING_LEN;
537 sprintf(p, "rx_queue_%u_bytes", i);
538 p += ETH_GSTRING_LEN;
539 }
540 break;
541 case ETH_SS_PRIV_FLAGS:
542 memcpy(data, ixgbevf_priv_flags_strings,
543 IXGBEVF_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
544 break;
545 }
546}
547
548static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
549{
550 struct ixgbe_hw *hw = &adapter->hw;
551 bool link_up;
552 u32 link_speed = 0;
553 *data = 0;
554
555 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
556 if (!link_up)
557 *data = 1;
558
559 return *data;
560}
561
562/* ethtool register test data */
563struct ixgbevf_reg_test {
564 u16 reg;
565 u8 array_len;
566 u8 test_type;
567 u32 mask;
568 u32 write;
569};
570
571/* In the hardware, registers are laid out either singly, in arrays
572 * spaced 0x40 bytes apart, or in contiguous tables. We assume
573 * most tests take place on arrays or single registers (handled
574 * as a single-element array) and special-case the tables.
575 * Table tests are always pattern tests.
576 *
577 * We also make provision for some required setup steps by specifying
578 * registers to be written without any read-back testing.
579 */
580
581#define PATTERN_TEST 1
582#define SET_READ_TEST 2
583#define WRITE_NO_TEST 3
584#define TABLE32_TEST 4
585#define TABLE64_TEST_LO 5
586#define TABLE64_TEST_HI 6
587
588/* default VF register test */
589static const struct ixgbevf_reg_test reg_test_vf[] = {
590 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
591 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
592 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
593 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
594 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
595 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
596 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
597 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
598 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
599 { .reg = 0 }
600};
601
602static const u32 register_test_patterns[] = {
603 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
604};
605
606static bool reg_pattern_test(struct ixgbevf_adapter *adapter, u64 *data,
607 int reg, u32 mask, u32 write)
608{
609 u32 pat, val, before;
610
611 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
612 *data = 1;
613 return true;
614 }
615 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) {
616 before = ixgbevf_read_reg(&adapter->hw, reg);
617 ixgbe_write_reg(&adapter->hw, reg,
618 register_test_patterns[pat] & write);
619 val = ixgbevf_read_reg(&adapter->hw, reg);
620 if (val != (register_test_patterns[pat] & write & mask)) {
621 hw_dbg(&adapter->hw,
622 "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
623 reg, val,
624 register_test_patterns[pat] & write & mask);
625 *data = reg;
626 ixgbe_write_reg(&adapter->hw, reg, before);
627 return true;
628 }
629 ixgbe_write_reg(&adapter->hw, reg, before);
630 }
631 return false;
632}
633
634static bool reg_set_and_check(struct ixgbevf_adapter *adapter, u64 *data,
635 int reg, u32 mask, u32 write)
636{
637 u32 val, before;
638
639 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
640 *data = 1;
641 return true;
642 }
643 before = ixgbevf_read_reg(&adapter->hw, reg);
644 ixgbe_write_reg(&adapter->hw, reg, write & mask);
645 val = ixgbevf_read_reg(&adapter->hw, reg);
646 if ((write & mask) != (val & mask)) {
647 pr_err("set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
648 reg, (val & mask), write & mask);
649 *data = reg;
650 ixgbe_write_reg(&adapter->hw, reg, before);
651 return true;
652 }
653 ixgbe_write_reg(&adapter->hw, reg, before);
654 return false;
655}
656
657static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
658{
659 const struct ixgbevf_reg_test *test;
660 u32 i;
661
662 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
663 dev_err(&adapter->pdev->dev,
664 "Adapter removed - register test blocked\n");
665 *data = 1;
666 return 1;
667 }
668 test = reg_test_vf;
669
670 /* Perform the register test, looping through the test table
671 * until we either fail or reach the null entry.
672 */
673 while (test->reg) {
674 for (i = 0; i < test->array_len; i++) {
675 bool b = false;
676
677 switch (test->test_type) {
678 case PATTERN_TEST:
679 b = reg_pattern_test(adapter, data,
680 test->reg + (i * 0x40),
681 test->mask,
682 test->write);
683 break;
684 case SET_READ_TEST:
685 b = reg_set_and_check(adapter, data,
686 test->reg + (i * 0x40),
687 test->mask,
688 test->write);
689 break;
690 case WRITE_NO_TEST:
691 ixgbe_write_reg(&adapter->hw,
692 test->reg + (i * 0x40),
693 test->write);
694 break;
695 case TABLE32_TEST:
696 b = reg_pattern_test(adapter, data,
697 test->reg + (i * 4),
698 test->mask,
699 test->write);
700 break;
701 case TABLE64_TEST_LO:
702 b = reg_pattern_test(adapter, data,
703 test->reg + (i * 8),
704 test->mask,
705 test->write);
706 break;
707 case TABLE64_TEST_HI:
708 b = reg_pattern_test(adapter, data,
709 test->reg + 4 + (i * 8),
710 test->mask,
711 test->write);
712 break;
713 }
714 if (b)
715 return 1;
716 }
717 test++;
718 }
719
720 *data = 0;
721 return *data;
722}
723
724static void ixgbevf_diag_test(struct net_device *netdev,
725 struct ethtool_test *eth_test, u64 *data)
726{
727 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
728 bool if_running = netif_running(netdev);
729
730 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
731 dev_err(&adapter->pdev->dev,
732 "Adapter removed - test blocked\n");
733 data[0] = 1;
734 data[1] = 1;
735 eth_test->flags |= ETH_TEST_FL_FAILED;
736 return;
737 }
738 set_bit(__IXGBEVF_TESTING, &adapter->state);
739 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
740 /* Offline tests */
741
742 hw_dbg(&adapter->hw, "offline testing starting\n");
743
744 /* Link test performed before hardware reset so autoneg doesn't
745 * interfere with test result
746 */
747 if (ixgbevf_link_test(adapter, &data[1]))
748 eth_test->flags |= ETH_TEST_FL_FAILED;
749
750 if (if_running)
751 /* indicate we're in test mode */
752 ixgbevf_close(netdev);
753 else
754 ixgbevf_reset(adapter);
755
756 hw_dbg(&adapter->hw, "register testing starting\n");
757 if (ixgbevf_reg_test(adapter, &data[0]))
758 eth_test->flags |= ETH_TEST_FL_FAILED;
759
760 ixgbevf_reset(adapter);
761
762 clear_bit(__IXGBEVF_TESTING, &adapter->state);
763 if (if_running)
764 ixgbevf_open(netdev);
765 } else {
766 hw_dbg(&adapter->hw, "online testing starting\n");
767 /* Online tests */
768 if (ixgbevf_link_test(adapter, &data[1]))
769 eth_test->flags |= ETH_TEST_FL_FAILED;
770
771 /* Online tests aren't run; pass by default */
772 data[0] = 0;
773
774 clear_bit(__IXGBEVF_TESTING, &adapter->state);
775 }
776 msleep_interruptible(4 * 1000);
777}
778
779static int ixgbevf_nway_reset(struct net_device *netdev)
780{
781 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
782
783 if (netif_running(netdev))
784 ixgbevf_reinit_locked(adapter);
785
786 return 0;
787}
788
789static int ixgbevf_get_coalesce(struct net_device *netdev,
790 struct ethtool_coalesce *ec,
791 struct kernel_ethtool_coalesce *kernel_coal,
792 struct netlink_ext_ack *extack)
793{
794 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
795
796 /* only valid if in constant ITR mode */
797 if (adapter->rx_itr_setting <= 1)
798 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
799 else
800 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
801
802 /* if in mixed Tx/Rx queues per vector mode, report only Rx settings */
803 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
804 return 0;
805
806 /* only valid if in constant ITR mode */
807 if (adapter->tx_itr_setting <= 1)
808 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
809 else
810 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
811
812 return 0;
813}
814
815static int ixgbevf_set_coalesce(struct net_device *netdev,
816 struct ethtool_coalesce *ec,
817 struct kernel_ethtool_coalesce *kernel_coal,
818 struct netlink_ext_ack *extack)
819{
820 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
821 struct ixgbevf_q_vector *q_vector;
822 int num_vectors, i;
823 u16 tx_itr_param, rx_itr_param;
824
825 /* don't accept Tx specific changes if we've got mixed RxTx vectors */
826 if (adapter->q_vector[0]->tx.count &&
827 adapter->q_vector[0]->rx.count && ec->tx_coalesce_usecs)
828 return -EINVAL;
829
830 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
831 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
832 return -EINVAL;
833
834 if (ec->rx_coalesce_usecs > 1)
835 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
836 else
837 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
838
839 if (adapter->rx_itr_setting == 1)
840 rx_itr_param = IXGBE_20K_ITR;
841 else
842 rx_itr_param = adapter->rx_itr_setting;
843
844 if (ec->tx_coalesce_usecs > 1)
845 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
846 else
847 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
848
849 if (adapter->tx_itr_setting == 1)
850 tx_itr_param = IXGBE_12K_ITR;
851 else
852 tx_itr_param = adapter->tx_itr_setting;
853
854 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
855
856 for (i = 0; i < num_vectors; i++) {
857 q_vector = adapter->q_vector[i];
858 if (q_vector->tx.count && !q_vector->rx.count)
859 /* Tx only */
860 q_vector->itr = tx_itr_param;
861 else
862 /* Rx only or mixed */
863 q_vector->itr = rx_itr_param;
864 ixgbevf_write_eitr(q_vector);
865 }
866
867 return 0;
868}
869
870static int ixgbevf_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
871 u32 *rules __always_unused)
872{
873 struct ixgbevf_adapter *adapter = netdev_priv(dev);
874
875 switch (info->cmd) {
876 case ETHTOOL_GRXRINGS:
877 info->data = adapter->num_rx_queues;
878 return 0;
879 default:
880 hw_dbg(&adapter->hw, "Command parameters not supported\n");
881 return -EOPNOTSUPP;
882 }
883}
884
885static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev)
886{
887 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
888
889 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf)
890 return IXGBEVF_X550_VFRETA_SIZE;
891
892 return IXGBEVF_82599_RETA_SIZE;
893}
894
895static u32 ixgbevf_get_rxfh_key_size(struct net_device *netdev)
896{
897 return IXGBEVF_RSS_HASH_KEY_SIZE;
898}
899
900static int ixgbevf_get_rxfh(struct net_device *netdev,
901 struct ethtool_rxfh_param *rxfh)
902{
903 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
904 int err = 0;
905
906 rxfh->hfunc = ETH_RSS_HASH_TOP;
907
908 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf) {
909 if (rxfh->key)
910 memcpy(rxfh->key, adapter->rss_key,
911 ixgbevf_get_rxfh_key_size(netdev));
912
913 if (rxfh->indir) {
914 int i;
915
916 for (i = 0; i < IXGBEVF_X550_VFRETA_SIZE; i++)
917 rxfh->indir[i] = adapter->rss_indir_tbl[i];
918 }
919 } else {
920 /* If neither indirection table nor hash key was requested
921 * - just return a success avoiding taking any locks.
922 */
923 if (!rxfh->indir && !rxfh->key)
924 return 0;
925
926 spin_lock_bh(&adapter->mbx_lock);
927 if (rxfh->indir)
928 err = ixgbevf_get_reta_locked(&adapter->hw,
929 rxfh->indir,
930 adapter->num_rx_queues);
931
932 if (!err && rxfh->key)
933 err = ixgbevf_get_rss_key_locked(&adapter->hw,
934 rxfh->key);
935
936 spin_unlock_bh(&adapter->mbx_lock);
937 }
938
939 return err;
940}
941
942static u32 ixgbevf_get_priv_flags(struct net_device *netdev)
943{
944 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
945 u32 priv_flags = 0;
946
947 if (adapter->flags & IXGBEVF_FLAGS_LEGACY_RX)
948 priv_flags |= IXGBEVF_PRIV_FLAGS_LEGACY_RX;
949
950 return priv_flags;
951}
952
953static int ixgbevf_set_priv_flags(struct net_device *netdev, u32 priv_flags)
954{
955 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
956 unsigned int flags = adapter->flags;
957
958 flags &= ~IXGBEVF_FLAGS_LEGACY_RX;
959 if (priv_flags & IXGBEVF_PRIV_FLAGS_LEGACY_RX)
960 flags |= IXGBEVF_FLAGS_LEGACY_RX;
961
962 if (flags != adapter->flags) {
963 adapter->flags = flags;
964
965 /* reset interface to repopulate queues */
966 if (netif_running(netdev))
967 ixgbevf_reinit_locked(adapter);
968 }
969
970 return 0;
971}
972
973static const struct ethtool_ops ixgbevf_ethtool_ops = {
974 .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
975 .get_drvinfo = ixgbevf_get_drvinfo,
976 .get_regs_len = ixgbevf_get_regs_len,
977 .get_regs = ixgbevf_get_regs,
978 .nway_reset = ixgbevf_nway_reset,
979 .get_link = ethtool_op_get_link,
980 .get_ringparam = ixgbevf_get_ringparam,
981 .set_ringparam = ixgbevf_set_ringparam,
982 .get_msglevel = ixgbevf_get_msglevel,
983 .set_msglevel = ixgbevf_set_msglevel,
984 .self_test = ixgbevf_diag_test,
985 .get_sset_count = ixgbevf_get_sset_count,
986 .get_strings = ixgbevf_get_strings,
987 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
988 .get_coalesce = ixgbevf_get_coalesce,
989 .set_coalesce = ixgbevf_set_coalesce,
990 .get_rxnfc = ixgbevf_get_rxnfc,
991 .get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size,
992 .get_rxfh_key_size = ixgbevf_get_rxfh_key_size,
993 .get_rxfh = ixgbevf_get_rxfh,
994 .get_link_ksettings = ixgbevf_get_link_ksettings,
995 .get_priv_flags = ixgbevf_get_priv_flags,
996 .set_priv_flags = ixgbevf_set_priv_flags,
997};
998
999void ixgbevf_set_ethtool_ops(struct net_device *netdev)
1000{
1001 netdev->ethtool_ops = &ixgbevf_ethtool_ops;
1002}
1/*******************************************************************************
2
3 Intel 82599 Virtual Function driver
4 Copyright(c) 1999 - 2015 Intel Corporation.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, see <http://www.gnu.org/licenses/>.
17
18 The full GNU General Public License is included in this distribution in
19 the file called "COPYING".
20
21 Contact Information:
22 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24
25*******************************************************************************/
26
27/* ethtool support for ixgbevf */
28
29#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
30
31#include <linux/types.h>
32#include <linux/module.h>
33#include <linux/slab.h>
34#include <linux/pci.h>
35#include <linux/netdevice.h>
36#include <linux/ethtool.h>
37#include <linux/vmalloc.h>
38#include <linux/if_vlan.h>
39#include <linux/uaccess.h>
40
41#include "ixgbevf.h"
42
43#define IXGBE_ALL_RAR_ENTRIES 16
44
45struct ixgbe_stats {
46 char stat_string[ETH_GSTRING_LEN];
47 struct {
48 int sizeof_stat;
49 int stat_offset;
50 int base_stat_offset;
51 int saved_reset_offset;
52 };
53};
54
55#define IXGBEVF_STAT(m, b, r) { \
56 .sizeof_stat = FIELD_SIZEOF(struct ixgbevf_adapter, m), \
57 .stat_offset = offsetof(struct ixgbevf_adapter, m), \
58 .base_stat_offset = offsetof(struct ixgbevf_adapter, b), \
59 .saved_reset_offset = offsetof(struct ixgbevf_adapter, r) \
60}
61
62#define IXGBEVF_ZSTAT(m) { \
63 .sizeof_stat = FIELD_SIZEOF(struct ixgbevf_adapter, m), \
64 .stat_offset = offsetof(struct ixgbevf_adapter, m), \
65 .base_stat_offset = -1, \
66 .saved_reset_offset = -1 \
67}
68
69static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
70 {"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc,
71 stats.saved_reset_vfgprc)},
72 {"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc,
73 stats.saved_reset_vfgptc)},
74 {"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc,
75 stats.saved_reset_vfgorc)},
76 {"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc,
77 stats.saved_reset_vfgotc)},
78 {"tx_busy", IXGBEVF_ZSTAT(tx_busy)},
79 {"tx_restart_queue", IXGBEVF_ZSTAT(restart_queue)},
80 {"tx_timeout_count", IXGBEVF_ZSTAT(tx_timeout_count)},
81 {"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc,
82 stats.saved_reset_vfmprc)},
83 {"rx_csum_offload_errors", IXGBEVF_ZSTAT(hw_csum_rx_error)},
84#ifdef BP_EXTENDED_STATS
85 {"rx_bp_poll_yield", IXGBEVF_ZSTAT(bp_rx_yields)},
86 {"rx_bp_cleaned", IXGBEVF_ZSTAT(bp_rx_cleaned)},
87 {"rx_bp_misses", IXGBEVF_ZSTAT(bp_rx_missed)},
88 {"tx_bp_napi_yield", IXGBEVF_ZSTAT(bp_tx_yields)},
89 {"tx_bp_cleaned", IXGBEVF_ZSTAT(bp_tx_cleaned)},
90 {"tx_bp_misses", IXGBEVF_ZSTAT(bp_tx_missed)},
91#endif
92};
93
94#define IXGBE_QUEUE_STATS_LEN 0
95#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
96
97#define IXGBEVF_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN)
98static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
99 "Register test (offline)",
100 "Link test (on/offline)"
101};
102
103#define IXGBE_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
104
105static int ixgbevf_get_settings(struct net_device *netdev,
106 struct ethtool_cmd *ecmd)
107{
108 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
109 struct ixgbe_hw *hw = &adapter->hw;
110 u32 link_speed = 0;
111 bool link_up;
112
113 ecmd->supported = SUPPORTED_10000baseT_Full;
114 ecmd->autoneg = AUTONEG_DISABLE;
115 ecmd->transceiver = XCVR_DUMMY1;
116 ecmd->port = -1;
117
118 hw->mac.get_link_status = 1;
119 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
120
121 if (link_up) {
122 __u32 speed = SPEED_10000;
123
124 switch (link_speed) {
125 case IXGBE_LINK_SPEED_10GB_FULL:
126 speed = SPEED_10000;
127 break;
128 case IXGBE_LINK_SPEED_1GB_FULL:
129 speed = SPEED_1000;
130 break;
131 case IXGBE_LINK_SPEED_100_FULL:
132 speed = SPEED_100;
133 break;
134 }
135
136 ethtool_cmd_speed_set(ecmd, speed);
137 ecmd->duplex = DUPLEX_FULL;
138 } else {
139 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
140 ecmd->duplex = DUPLEX_UNKNOWN;
141 }
142
143 return 0;
144}
145
146static u32 ixgbevf_get_msglevel(struct net_device *netdev)
147{
148 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
149
150 return adapter->msg_enable;
151}
152
153static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
154{
155 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
156
157 adapter->msg_enable = data;
158}
159
160#define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
161
162static int ixgbevf_get_regs_len(struct net_device *netdev)
163{
164#define IXGBE_REGS_LEN 45
165 return IXGBE_REGS_LEN * sizeof(u32);
166}
167
168static void ixgbevf_get_regs(struct net_device *netdev,
169 struct ethtool_regs *regs,
170 void *p)
171{
172 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
173 struct ixgbe_hw *hw = &adapter->hw;
174 u32 *regs_buff = p;
175 u32 regs_len = ixgbevf_get_regs_len(netdev);
176 u8 i;
177
178 memset(p, 0, regs_len);
179
180 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
181
182 /* General Registers */
183 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
184 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
185 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
186 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
187 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER);
188
189 /* Interrupt */
190 /* don't read EICR because it can clear interrupt causes, instead
191 * read EICS which is a shadow but doesn't clear EICR
192 */
193 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
194 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
195 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
196 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
197 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
198 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
199 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
200 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
201 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
202
203 /* Receive DMA */
204 for (i = 0; i < 2; i++)
205 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
206 for (i = 0; i < 2; i++)
207 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
208 for (i = 0; i < 2; i++)
209 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
210 for (i = 0; i < 2; i++)
211 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
212 for (i = 0; i < 2; i++)
213 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
214 for (i = 0; i < 2; i++)
215 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
216 for (i = 0; i < 2; i++)
217 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
218
219 /* Receive */
220 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
221
222 /* Transmit */
223 for (i = 0; i < 2; i++)
224 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
225 for (i = 0; i < 2; i++)
226 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
227 for (i = 0; i < 2; i++)
228 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
229 for (i = 0; i < 2; i++)
230 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
231 for (i = 0; i < 2; i++)
232 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
233 for (i = 0; i < 2; i++)
234 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
235 for (i = 0; i < 2; i++)
236 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
237 for (i = 0; i < 2; i++)
238 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
239}
240
241static void ixgbevf_get_drvinfo(struct net_device *netdev,
242 struct ethtool_drvinfo *drvinfo)
243{
244 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
245
246 strlcpy(drvinfo->driver, ixgbevf_driver_name, sizeof(drvinfo->driver));
247 strlcpy(drvinfo->version, ixgbevf_driver_version,
248 sizeof(drvinfo->version));
249 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
250 sizeof(drvinfo->bus_info));
251}
252
253static void ixgbevf_get_ringparam(struct net_device *netdev,
254 struct ethtool_ringparam *ring)
255{
256 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
257
258 ring->rx_max_pending = IXGBEVF_MAX_RXD;
259 ring->tx_max_pending = IXGBEVF_MAX_TXD;
260 ring->rx_pending = adapter->rx_ring_count;
261 ring->tx_pending = adapter->tx_ring_count;
262}
263
264static int ixgbevf_set_ringparam(struct net_device *netdev,
265 struct ethtool_ringparam *ring)
266{
267 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
268 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
269 u32 new_rx_count, new_tx_count;
270 int i, err = 0;
271
272 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
273 return -EINVAL;
274
275 new_tx_count = max_t(u32, ring->tx_pending, IXGBEVF_MIN_TXD);
276 new_tx_count = min_t(u32, new_tx_count, IXGBEVF_MAX_TXD);
277 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
278
279 new_rx_count = max_t(u32, ring->rx_pending, IXGBEVF_MIN_RXD);
280 new_rx_count = min_t(u32, new_rx_count, IXGBEVF_MAX_RXD);
281 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
282
283 /* if nothing to do return success */
284 if ((new_tx_count == adapter->tx_ring_count) &&
285 (new_rx_count == adapter->rx_ring_count))
286 return 0;
287
288 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
289 usleep_range(1000, 2000);
290
291 if (!netif_running(adapter->netdev)) {
292 for (i = 0; i < adapter->num_tx_queues; i++)
293 adapter->tx_ring[i]->count = new_tx_count;
294 for (i = 0; i < adapter->num_rx_queues; i++)
295 adapter->rx_ring[i]->count = new_rx_count;
296 adapter->tx_ring_count = new_tx_count;
297 adapter->rx_ring_count = new_rx_count;
298 goto clear_reset;
299 }
300
301 if (new_tx_count != adapter->tx_ring_count) {
302 tx_ring = vmalloc(adapter->num_tx_queues * sizeof(*tx_ring));
303 if (!tx_ring) {
304 err = -ENOMEM;
305 goto clear_reset;
306 }
307
308 for (i = 0; i < adapter->num_tx_queues; i++) {
309 /* clone ring and setup updated count */
310 tx_ring[i] = *adapter->tx_ring[i];
311 tx_ring[i].count = new_tx_count;
312 err = ixgbevf_setup_tx_resources(&tx_ring[i]);
313 if (err) {
314 while (i) {
315 i--;
316 ixgbevf_free_tx_resources(&tx_ring[i]);
317 }
318
319 vfree(tx_ring);
320 tx_ring = NULL;
321
322 goto clear_reset;
323 }
324 }
325 }
326
327 if (new_rx_count != adapter->rx_ring_count) {
328 rx_ring = vmalloc(adapter->num_rx_queues * sizeof(*rx_ring));
329 if (!rx_ring) {
330 err = -ENOMEM;
331 goto clear_reset;
332 }
333
334 for (i = 0; i < adapter->num_rx_queues; i++) {
335 /* clone ring and setup updated count */
336 rx_ring[i] = *adapter->rx_ring[i];
337 rx_ring[i].count = new_rx_count;
338 err = ixgbevf_setup_rx_resources(&rx_ring[i]);
339 if (err) {
340 while (i) {
341 i--;
342 ixgbevf_free_rx_resources(&rx_ring[i]);
343 }
344
345 vfree(rx_ring);
346 rx_ring = NULL;
347
348 goto clear_reset;
349 }
350 }
351 }
352
353 /* bring interface down to prepare for update */
354 ixgbevf_down(adapter);
355
356 /* Tx */
357 if (tx_ring) {
358 for (i = 0; i < adapter->num_tx_queues; i++) {
359 ixgbevf_free_tx_resources(adapter->tx_ring[i]);
360 *adapter->tx_ring[i] = tx_ring[i];
361 }
362 adapter->tx_ring_count = new_tx_count;
363
364 vfree(tx_ring);
365 tx_ring = NULL;
366 }
367
368 /* Rx */
369 if (rx_ring) {
370 for (i = 0; i < adapter->num_rx_queues; i++) {
371 ixgbevf_free_rx_resources(adapter->rx_ring[i]);
372 *adapter->rx_ring[i] = rx_ring[i];
373 }
374 adapter->rx_ring_count = new_rx_count;
375
376 vfree(rx_ring);
377 rx_ring = NULL;
378 }
379
380 /* restore interface using new values */
381 ixgbevf_up(adapter);
382
383clear_reset:
384 /* free Tx resources if Rx error is encountered */
385 if (tx_ring) {
386 for (i = 0; i < adapter->num_tx_queues; i++)
387 ixgbevf_free_tx_resources(&tx_ring[i]);
388 vfree(tx_ring);
389 }
390
391 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
392 return err;
393}
394
395static int ixgbevf_get_sset_count(struct net_device *dev, int stringset)
396{
397 switch (stringset) {
398 case ETH_SS_TEST:
399 return IXGBE_TEST_LEN;
400 case ETH_SS_STATS:
401 return IXGBE_GLOBAL_STATS_LEN;
402 default:
403 return -EINVAL;
404 }
405}
406
407static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
408 struct ethtool_stats *stats, u64 *data)
409{
410 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
411 char *base = (char *)adapter;
412 int i;
413#ifdef BP_EXTENDED_STATS
414 u64 rx_yields = 0, rx_cleaned = 0, rx_missed = 0,
415 tx_yields = 0, tx_cleaned = 0, tx_missed = 0;
416
417 for (i = 0; i < adapter->num_rx_queues; i++) {
418 rx_yields += adapter->rx_ring[i]->stats.yields;
419 rx_cleaned += adapter->rx_ring[i]->stats.cleaned;
420 rx_yields += adapter->rx_ring[i]->stats.yields;
421 }
422
423 for (i = 0; i < adapter->num_tx_queues; i++) {
424 tx_yields += adapter->tx_ring[i]->stats.yields;
425 tx_cleaned += adapter->tx_ring[i]->stats.cleaned;
426 tx_yields += adapter->tx_ring[i]->stats.yields;
427 }
428
429 adapter->bp_rx_yields = rx_yields;
430 adapter->bp_rx_cleaned = rx_cleaned;
431 adapter->bp_rx_missed = rx_missed;
432
433 adapter->bp_tx_yields = tx_yields;
434 adapter->bp_tx_cleaned = tx_cleaned;
435 adapter->bp_tx_missed = tx_missed;
436#endif
437
438 ixgbevf_update_stats(adapter);
439 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
440 char *p = base + ixgbe_gstrings_stats[i].stat_offset;
441 char *b = base + ixgbe_gstrings_stats[i].base_stat_offset;
442 char *r = base + ixgbe_gstrings_stats[i].saved_reset_offset;
443
444 if (ixgbe_gstrings_stats[i].sizeof_stat == sizeof(u64)) {
445 if (ixgbe_gstrings_stats[i].base_stat_offset >= 0)
446 data[i] = *(u64 *)p - *(u64 *)b + *(u64 *)r;
447 else
448 data[i] = *(u64 *)p;
449 } else {
450 if (ixgbe_gstrings_stats[i].base_stat_offset >= 0)
451 data[i] = *(u32 *)p - *(u32 *)b + *(u32 *)r;
452 else
453 data[i] = *(u32 *)p;
454 }
455 }
456}
457
458static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
459 u8 *data)
460{
461 char *p = (char *)data;
462 int i;
463
464 switch (stringset) {
465 case ETH_SS_TEST:
466 memcpy(data, *ixgbe_gstrings_test,
467 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
468 break;
469 case ETH_SS_STATS:
470 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
471 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
472 ETH_GSTRING_LEN);
473 p += ETH_GSTRING_LEN;
474 }
475 break;
476 }
477}
478
479static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
480{
481 struct ixgbe_hw *hw = &adapter->hw;
482 bool link_up;
483 u32 link_speed = 0;
484 *data = 0;
485
486 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
487 if (!link_up)
488 *data = 1;
489
490 return *data;
491}
492
493/* ethtool register test data */
494struct ixgbevf_reg_test {
495 u16 reg;
496 u8 array_len;
497 u8 test_type;
498 u32 mask;
499 u32 write;
500};
501
502/* In the hardware, registers are laid out either singly, in arrays
503 * spaced 0x40 bytes apart, or in contiguous tables. We assume
504 * most tests take place on arrays or single registers (handled
505 * as a single-element array) and special-case the tables.
506 * Table tests are always pattern tests.
507 *
508 * We also make provision for some required setup steps by specifying
509 * registers to be written without any read-back testing.
510 */
511
512#define PATTERN_TEST 1
513#define SET_READ_TEST 2
514#define WRITE_NO_TEST 3
515#define TABLE32_TEST 4
516#define TABLE64_TEST_LO 5
517#define TABLE64_TEST_HI 6
518
519/* default VF register test */
520static const struct ixgbevf_reg_test reg_test_vf[] = {
521 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
522 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
523 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
524 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
525 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
526 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
527 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
528 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
529 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
530 { .reg = 0 }
531};
532
533static const u32 register_test_patterns[] = {
534 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
535};
536
537static bool reg_pattern_test(struct ixgbevf_adapter *adapter, u64 *data,
538 int reg, u32 mask, u32 write)
539{
540 u32 pat, val, before;
541
542 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
543 *data = 1;
544 return true;
545 }
546 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) {
547 before = ixgbevf_read_reg(&adapter->hw, reg);
548 ixgbe_write_reg(&adapter->hw, reg,
549 register_test_patterns[pat] & write);
550 val = ixgbevf_read_reg(&adapter->hw, reg);
551 if (val != (register_test_patterns[pat] & write & mask)) {
552 hw_dbg(&adapter->hw,
553 "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
554 reg, val,
555 register_test_patterns[pat] & write & mask);
556 *data = reg;
557 ixgbe_write_reg(&adapter->hw, reg, before);
558 return true;
559 }
560 ixgbe_write_reg(&adapter->hw, reg, before);
561 }
562 return false;
563}
564
565static bool reg_set_and_check(struct ixgbevf_adapter *adapter, u64 *data,
566 int reg, u32 mask, u32 write)
567{
568 u32 val, before;
569
570 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
571 *data = 1;
572 return true;
573 }
574 before = ixgbevf_read_reg(&adapter->hw, reg);
575 ixgbe_write_reg(&adapter->hw, reg, write & mask);
576 val = ixgbevf_read_reg(&adapter->hw, reg);
577 if ((write & mask) != (val & mask)) {
578 pr_err("set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
579 reg, (val & mask), write & mask);
580 *data = reg;
581 ixgbe_write_reg(&adapter->hw, reg, before);
582 return true;
583 }
584 ixgbe_write_reg(&adapter->hw, reg, before);
585 return false;
586}
587
588static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
589{
590 const struct ixgbevf_reg_test *test;
591 u32 i;
592
593 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
594 dev_err(&adapter->pdev->dev,
595 "Adapter removed - register test blocked\n");
596 *data = 1;
597 return 1;
598 }
599 test = reg_test_vf;
600
601 /* Perform the register test, looping through the test table
602 * until we either fail or reach the null entry.
603 */
604 while (test->reg) {
605 for (i = 0; i < test->array_len; i++) {
606 bool b = false;
607
608 switch (test->test_type) {
609 case PATTERN_TEST:
610 b = reg_pattern_test(adapter, data,
611 test->reg + (i * 0x40),
612 test->mask,
613 test->write);
614 break;
615 case SET_READ_TEST:
616 b = reg_set_and_check(adapter, data,
617 test->reg + (i * 0x40),
618 test->mask,
619 test->write);
620 break;
621 case WRITE_NO_TEST:
622 ixgbe_write_reg(&adapter->hw,
623 test->reg + (i * 0x40),
624 test->write);
625 break;
626 case TABLE32_TEST:
627 b = reg_pattern_test(adapter, data,
628 test->reg + (i * 4),
629 test->mask,
630 test->write);
631 break;
632 case TABLE64_TEST_LO:
633 b = reg_pattern_test(adapter, data,
634 test->reg + (i * 8),
635 test->mask,
636 test->write);
637 break;
638 case TABLE64_TEST_HI:
639 b = reg_pattern_test(adapter, data,
640 test->reg + 4 + (i * 8),
641 test->mask,
642 test->write);
643 break;
644 }
645 if (b)
646 return 1;
647 }
648 test++;
649 }
650
651 *data = 0;
652 return *data;
653}
654
655static void ixgbevf_diag_test(struct net_device *netdev,
656 struct ethtool_test *eth_test, u64 *data)
657{
658 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
659 bool if_running = netif_running(netdev);
660
661 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
662 dev_err(&adapter->pdev->dev,
663 "Adapter removed - test blocked\n");
664 data[0] = 1;
665 data[1] = 1;
666 eth_test->flags |= ETH_TEST_FL_FAILED;
667 return;
668 }
669 set_bit(__IXGBEVF_TESTING, &adapter->state);
670 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
671 /* Offline tests */
672
673 hw_dbg(&adapter->hw, "offline testing starting\n");
674
675 /* Link test performed before hardware reset so autoneg doesn't
676 * interfere with test result
677 */
678 if (ixgbevf_link_test(adapter, &data[1]))
679 eth_test->flags |= ETH_TEST_FL_FAILED;
680
681 if (if_running)
682 /* indicate we're in test mode */
683 ixgbevf_close(netdev);
684 else
685 ixgbevf_reset(adapter);
686
687 hw_dbg(&adapter->hw, "register testing starting\n");
688 if (ixgbevf_reg_test(adapter, &data[0]))
689 eth_test->flags |= ETH_TEST_FL_FAILED;
690
691 ixgbevf_reset(adapter);
692
693 clear_bit(__IXGBEVF_TESTING, &adapter->state);
694 if (if_running)
695 ixgbevf_open(netdev);
696 } else {
697 hw_dbg(&adapter->hw, "online testing starting\n");
698 /* Online tests */
699 if (ixgbevf_link_test(adapter, &data[1]))
700 eth_test->flags |= ETH_TEST_FL_FAILED;
701
702 /* Online tests aren't run; pass by default */
703 data[0] = 0;
704
705 clear_bit(__IXGBEVF_TESTING, &adapter->state);
706 }
707 msleep_interruptible(4 * 1000);
708}
709
710static int ixgbevf_nway_reset(struct net_device *netdev)
711{
712 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
713
714 if (netif_running(netdev))
715 ixgbevf_reinit_locked(adapter);
716
717 return 0;
718}
719
720static int ixgbevf_get_coalesce(struct net_device *netdev,
721 struct ethtool_coalesce *ec)
722{
723 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
724
725 /* only valid if in constant ITR mode */
726 if (adapter->rx_itr_setting <= 1)
727 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
728 else
729 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
730
731 /* if in mixed Tx/Rx queues per vector mode, report only Rx settings */
732 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
733 return 0;
734
735 /* only valid if in constant ITR mode */
736 if (adapter->tx_itr_setting <= 1)
737 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
738 else
739 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
740
741 return 0;
742}
743
744static int ixgbevf_set_coalesce(struct net_device *netdev,
745 struct ethtool_coalesce *ec)
746{
747 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
748 struct ixgbevf_q_vector *q_vector;
749 int num_vectors, i;
750 u16 tx_itr_param, rx_itr_param;
751
752 /* don't accept Tx specific changes if we've got mixed RxTx vectors */
753 if (adapter->q_vector[0]->tx.count &&
754 adapter->q_vector[0]->rx.count && ec->tx_coalesce_usecs)
755 return -EINVAL;
756
757 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
758 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
759 return -EINVAL;
760
761 if (ec->rx_coalesce_usecs > 1)
762 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
763 else
764 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
765
766 if (adapter->rx_itr_setting == 1)
767 rx_itr_param = IXGBE_20K_ITR;
768 else
769 rx_itr_param = adapter->rx_itr_setting;
770
771 if (ec->tx_coalesce_usecs > 1)
772 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
773 else
774 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
775
776 if (adapter->tx_itr_setting == 1)
777 tx_itr_param = IXGBE_12K_ITR;
778 else
779 tx_itr_param = adapter->tx_itr_setting;
780
781 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
782
783 for (i = 0; i < num_vectors; i++) {
784 q_vector = adapter->q_vector[i];
785 if (q_vector->tx.count && !q_vector->rx.count)
786 /* Tx only */
787 q_vector->itr = tx_itr_param;
788 else
789 /* Rx only or mixed */
790 q_vector->itr = rx_itr_param;
791 ixgbevf_write_eitr(q_vector);
792 }
793
794 return 0;
795}
796
797static int ixgbevf_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
798 u32 *rules __always_unused)
799{
800 struct ixgbevf_adapter *adapter = netdev_priv(dev);
801
802 switch (info->cmd) {
803 case ETHTOOL_GRXRINGS:
804 info->data = adapter->num_rx_queues;
805 return 0;
806 default:
807 hw_dbg(&adapter->hw, "Command parameters not supported\n");
808 return -EOPNOTSUPP;
809 }
810}
811
812static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev)
813{
814 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
815
816 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf)
817 return IXGBEVF_X550_VFRETA_SIZE;
818
819 return IXGBEVF_82599_RETA_SIZE;
820}
821
822static u32 ixgbevf_get_rxfh_key_size(struct net_device *netdev)
823{
824 return IXGBEVF_RSS_HASH_KEY_SIZE;
825}
826
827static int ixgbevf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
828 u8 *hfunc)
829{
830 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
831 int err = 0;
832
833 if (hfunc)
834 *hfunc = ETH_RSS_HASH_TOP;
835
836 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf) {
837 if (key)
838 memcpy(key, adapter->rss_key, sizeof(adapter->rss_key));
839
840 if (indir) {
841 int i;
842
843 for (i = 0; i < IXGBEVF_X550_VFRETA_SIZE; i++)
844 indir[i] = adapter->rss_indir_tbl[i];
845 }
846 } else {
847 /* If neither indirection table nor hash key was requested
848 * - just return a success avoiding taking any locks.
849 */
850 if (!indir && !key)
851 return 0;
852
853 spin_lock_bh(&adapter->mbx_lock);
854 if (indir)
855 err = ixgbevf_get_reta_locked(&adapter->hw, indir,
856 adapter->num_rx_queues);
857
858 if (!err && key)
859 err = ixgbevf_get_rss_key_locked(&adapter->hw, key);
860
861 spin_unlock_bh(&adapter->mbx_lock);
862 }
863
864 return err;
865}
866
867static const struct ethtool_ops ixgbevf_ethtool_ops = {
868 .get_settings = ixgbevf_get_settings,
869 .get_drvinfo = ixgbevf_get_drvinfo,
870 .get_regs_len = ixgbevf_get_regs_len,
871 .get_regs = ixgbevf_get_regs,
872 .nway_reset = ixgbevf_nway_reset,
873 .get_link = ethtool_op_get_link,
874 .get_ringparam = ixgbevf_get_ringparam,
875 .set_ringparam = ixgbevf_set_ringparam,
876 .get_msglevel = ixgbevf_get_msglevel,
877 .set_msglevel = ixgbevf_set_msglevel,
878 .self_test = ixgbevf_diag_test,
879 .get_sset_count = ixgbevf_get_sset_count,
880 .get_strings = ixgbevf_get_strings,
881 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
882 .get_coalesce = ixgbevf_get_coalesce,
883 .set_coalesce = ixgbevf_set_coalesce,
884 .get_rxnfc = ixgbevf_get_rxnfc,
885 .get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size,
886 .get_rxfh_key_size = ixgbevf_get_rxfh_key_size,
887 .get_rxfh = ixgbevf_get_rxfh,
888};
889
890void ixgbevf_set_ethtool_ops(struct net_device *netdev)
891{
892 netdev->ethtool_ops = &ixgbevf_ethtool_ops;
893}