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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// 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
20#define IXGBE_ALL_RAR_ENTRIES 16
21
22enum {NETDEV_STATS, IXGBEVF_STATS};
23
24struct ixgbe_stats {
25 char stat_string[ETH_GSTRING_LEN];
26 int type;
27 int sizeof_stat;
28 int stat_offset;
29};
30
31#define IXGBEVF_STAT(_name, _stat) { \
32 .stat_string = _name, \
33 .type = IXGBEVF_STATS, \
34 .sizeof_stat = FIELD_SIZEOF(struct ixgbevf_adapter, _stat), \
35 .stat_offset = offsetof(struct ixgbevf_adapter, _stat) \
36}
37
38#define IXGBEVF_NETDEV_STAT(_net_stat) { \
39 .stat_string = #_net_stat, \
40 .type = NETDEV_STATS, \
41 .sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
42 .stat_offset = offsetof(struct net_device_stats, _net_stat) \
43}
44
45static struct ixgbe_stats ixgbevf_gstrings_stats[] = {
46 IXGBEVF_NETDEV_STAT(rx_packets),
47 IXGBEVF_NETDEV_STAT(tx_packets),
48 IXGBEVF_NETDEV_STAT(rx_bytes),
49 IXGBEVF_NETDEV_STAT(tx_bytes),
50 IXGBEVF_STAT("tx_busy", tx_busy),
51 IXGBEVF_STAT("tx_restart_queue", restart_queue),
52 IXGBEVF_STAT("tx_timeout_count", tx_timeout_count),
53 IXGBEVF_NETDEV_STAT(multicast),
54 IXGBEVF_STAT("rx_csum_offload_errors", hw_csum_rx_error),
55 IXGBEVF_STAT("alloc_rx_page", alloc_rx_page),
56 IXGBEVF_STAT("alloc_rx_page_failed", alloc_rx_page_failed),
57 IXGBEVF_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
58 IXGBEVF_STAT("tx_ipsec", tx_ipsec),
59 IXGBEVF_STAT("rx_ipsec", rx_ipsec),
60};
61
62#define IXGBEVF_QUEUE_STATS_LEN ( \
63 (((struct ixgbevf_adapter *)netdev_priv(netdev))->num_tx_queues + \
64 ((struct ixgbevf_adapter *)netdev_priv(netdev))->num_xdp_queues + \
65 ((struct ixgbevf_adapter *)netdev_priv(netdev))->num_rx_queues) * \
66 (sizeof(struct ixgbevf_stats) / sizeof(u64)))
67#define IXGBEVF_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbevf_gstrings_stats)
68
69#define IXGBEVF_STATS_LEN (IXGBEVF_GLOBAL_STATS_LEN + IXGBEVF_QUEUE_STATS_LEN)
70static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
71 "Register test (offline)",
72 "Link test (on/offline)"
73};
74
75#define IXGBEVF_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
76
77static const char ixgbevf_priv_flags_strings[][ETH_GSTRING_LEN] = {
78#define IXGBEVF_PRIV_FLAGS_LEGACY_RX BIT(0)
79 "legacy-rx",
80};
81
82#define IXGBEVF_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbevf_priv_flags_strings)
83
84static int ixgbevf_get_link_ksettings(struct net_device *netdev,
85 struct ethtool_link_ksettings *cmd)
86{
87 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
88
89 ethtool_link_ksettings_zero_link_mode(cmd, supported);
90 ethtool_link_ksettings_add_link_mode(cmd, supported, 10000baseT_Full);
91 cmd->base.autoneg = AUTONEG_DISABLE;
92 cmd->base.port = -1;
93
94 if (adapter->link_up) {
95 __u32 speed = SPEED_10000;
96
97 switch (adapter->link_speed) {
98 case IXGBE_LINK_SPEED_10GB_FULL:
99 speed = SPEED_10000;
100 break;
101 case IXGBE_LINK_SPEED_1GB_FULL:
102 speed = SPEED_1000;
103 break;
104 case IXGBE_LINK_SPEED_100_FULL:
105 speed = SPEED_100;
106 break;
107 }
108
109 cmd->base.speed = speed;
110 cmd->base.duplex = DUPLEX_FULL;
111 } else {
112 cmd->base.speed = SPEED_UNKNOWN;
113 cmd->base.duplex = DUPLEX_UNKNOWN;
114 }
115
116 return 0;
117}
118
119static u32 ixgbevf_get_msglevel(struct net_device *netdev)
120{
121 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
122
123 return adapter->msg_enable;
124}
125
126static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
127{
128 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
129
130 adapter->msg_enable = data;
131}
132
133#define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
134
135static int ixgbevf_get_regs_len(struct net_device *netdev)
136{
137#define IXGBE_REGS_LEN 45
138 return IXGBE_REGS_LEN * sizeof(u32);
139}
140
141static void ixgbevf_get_regs(struct net_device *netdev,
142 struct ethtool_regs *regs,
143 void *p)
144{
145 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
146 struct ixgbe_hw *hw = &adapter->hw;
147 u32 *regs_buff = p;
148 u32 regs_len = ixgbevf_get_regs_len(netdev);
149 u8 i;
150
151 memset(p, 0, regs_len);
152
153 /* generate a number suitable for ethtool's register version */
154 regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
155
156 /* General Registers */
157 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
158 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
159 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
160 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
161 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER);
162
163 /* Interrupt */
164 /* don't read EICR because it can clear interrupt causes, instead
165 * read EICS which is a shadow but doesn't clear EICR
166 */
167 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
168 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
169 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
170 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
171 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
172 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
173 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
174 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
175 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
176
177 /* Receive DMA */
178 for (i = 0; i < 2; i++)
179 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
180 for (i = 0; i < 2; i++)
181 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
182 for (i = 0; i < 2; i++)
183 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
184 for (i = 0; i < 2; i++)
185 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
186 for (i = 0; i < 2; i++)
187 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
188 for (i = 0; i < 2; i++)
189 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
190 for (i = 0; i < 2; i++)
191 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
192
193 /* Receive */
194 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
195
196 /* Transmit */
197 for (i = 0; i < 2; i++)
198 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
199 for (i = 0; i < 2; i++)
200 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
201 for (i = 0; i < 2; i++)
202 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
203 for (i = 0; i < 2; i++)
204 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
205 for (i = 0; i < 2; i++)
206 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
207 for (i = 0; i < 2; i++)
208 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
209 for (i = 0; i < 2; i++)
210 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
211 for (i = 0; i < 2; i++)
212 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
213}
214
215static void ixgbevf_get_drvinfo(struct net_device *netdev,
216 struct ethtool_drvinfo *drvinfo)
217{
218 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
219
220 strlcpy(drvinfo->driver, ixgbevf_driver_name, sizeof(drvinfo->driver));
221 strlcpy(drvinfo->version, ixgbevf_driver_version,
222 sizeof(drvinfo->version));
223 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
224 sizeof(drvinfo->bus_info));
225
226 drvinfo->n_priv_flags = IXGBEVF_PRIV_FLAGS_STR_LEN;
227}
228
229static void ixgbevf_get_ringparam(struct net_device *netdev,
230 struct ethtool_ringparam *ring)
231{
232 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
233
234 ring->rx_max_pending = IXGBEVF_MAX_RXD;
235 ring->tx_max_pending = IXGBEVF_MAX_TXD;
236 ring->rx_pending = adapter->rx_ring_count;
237 ring->tx_pending = adapter->tx_ring_count;
238}
239
240static int ixgbevf_set_ringparam(struct net_device *netdev,
241 struct ethtool_ringparam *ring)
242{
243 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
244 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
245 u32 new_rx_count, new_tx_count;
246 int i, j, err = 0;
247
248 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
249 return -EINVAL;
250
251 new_tx_count = max_t(u32, ring->tx_pending, IXGBEVF_MIN_TXD);
252 new_tx_count = min_t(u32, new_tx_count, IXGBEVF_MAX_TXD);
253 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
254
255 new_rx_count = max_t(u32, ring->rx_pending, IXGBEVF_MIN_RXD);
256 new_rx_count = min_t(u32, new_rx_count, IXGBEVF_MAX_RXD);
257 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
258
259 /* if nothing to do return success */
260 if ((new_tx_count == adapter->tx_ring_count) &&
261 (new_rx_count == adapter->rx_ring_count))
262 return 0;
263
264 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
265 usleep_range(1000, 2000);
266
267 if (!netif_running(adapter->netdev)) {
268 for (i = 0; i < adapter->num_tx_queues; i++)
269 adapter->tx_ring[i]->count = new_tx_count;
270 for (i = 0; i < adapter->num_xdp_queues; i++)
271 adapter->xdp_ring[i]->count = new_tx_count;
272 for (i = 0; i < adapter->num_rx_queues; i++)
273 adapter->rx_ring[i]->count = new_rx_count;
274 adapter->tx_ring_count = new_tx_count;
275 adapter->xdp_ring_count = new_tx_count;
276 adapter->rx_ring_count = new_rx_count;
277 goto clear_reset;
278 }
279
280 if (new_tx_count != adapter->tx_ring_count) {
281 tx_ring = vmalloc(array_size(sizeof(*tx_ring),
282 adapter->num_tx_queues +
283 adapter->num_xdp_queues));
284 if (!tx_ring) {
285 err = -ENOMEM;
286 goto clear_reset;
287 }
288
289 for (i = 0; i < adapter->num_tx_queues; i++) {
290 /* clone ring and setup updated count */
291 tx_ring[i] = *adapter->tx_ring[i];
292 tx_ring[i].count = new_tx_count;
293 err = ixgbevf_setup_tx_resources(&tx_ring[i]);
294 if (err) {
295 while (i) {
296 i--;
297 ixgbevf_free_tx_resources(&tx_ring[i]);
298 }
299
300 vfree(tx_ring);
301 tx_ring = NULL;
302
303 goto clear_reset;
304 }
305 }
306
307 for (j = 0; j < adapter->num_xdp_queues; i++, j++) {
308 /* clone ring and setup updated count */
309 tx_ring[i] = *adapter->xdp_ring[j];
310 tx_ring[i].count = new_tx_count;
311 err = ixgbevf_setup_tx_resources(&tx_ring[i]);
312 if (err) {
313 while (i) {
314 i--;
315 ixgbevf_free_tx_resources(&tx_ring[i]);
316 }
317
318 vfree(tx_ring);
319 tx_ring = NULL;
320
321 goto clear_reset;
322 }
323 }
324 }
325
326 if (new_rx_count != adapter->rx_ring_count) {
327 rx_ring = vmalloc(array_size(sizeof(*rx_ring),
328 adapter->num_rx_queues));
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
338 /* Clear copied XDP RX-queue info */
339 memset(&rx_ring[i].xdp_rxq, 0,
340 sizeof(rx_ring[i].xdp_rxq));
341
342 rx_ring[i].count = new_rx_count;
343 err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]);
344 if (err) {
345 while (i) {
346 i--;
347 ixgbevf_free_rx_resources(&rx_ring[i]);
348 }
349
350 vfree(rx_ring);
351 rx_ring = NULL;
352
353 goto clear_reset;
354 }
355 }
356 }
357
358 /* bring interface down to prepare for update */
359 ixgbevf_down(adapter);
360
361 /* Tx */
362 if (tx_ring) {
363 for (i = 0; i < adapter->num_tx_queues; i++) {
364 ixgbevf_free_tx_resources(adapter->tx_ring[i]);
365 *adapter->tx_ring[i] = tx_ring[i];
366 }
367 adapter->tx_ring_count = new_tx_count;
368
369 for (j = 0; j < adapter->num_xdp_queues; i++, j++) {
370 ixgbevf_free_tx_resources(adapter->xdp_ring[j]);
371 *adapter->xdp_ring[j] = tx_ring[i];
372 }
373 adapter->xdp_ring_count = new_tx_count;
374
375 vfree(tx_ring);
376 tx_ring = NULL;
377 }
378
379 /* Rx */
380 if (rx_ring) {
381 for (i = 0; i < adapter->num_rx_queues; i++) {
382 ixgbevf_free_rx_resources(adapter->rx_ring[i]);
383 *adapter->rx_ring[i] = rx_ring[i];
384 }
385 adapter->rx_ring_count = new_rx_count;
386
387 vfree(rx_ring);
388 rx_ring = NULL;
389 }
390
391 /* restore interface using new values */
392 ixgbevf_up(adapter);
393
394clear_reset:
395 /* free Tx resources if Rx error is encountered */
396 if (tx_ring) {
397 for (i = 0;
398 i < adapter->num_tx_queues + adapter->num_xdp_queues; i++)
399 ixgbevf_free_tx_resources(&tx_ring[i]);
400 vfree(tx_ring);
401 }
402
403 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
404 return err;
405}
406
407static int ixgbevf_get_sset_count(struct net_device *netdev, int stringset)
408{
409 switch (stringset) {
410 case ETH_SS_TEST:
411 return IXGBEVF_TEST_LEN;
412 case ETH_SS_STATS:
413 return IXGBEVF_STATS_LEN;
414 case ETH_SS_PRIV_FLAGS:
415 return IXGBEVF_PRIV_FLAGS_STR_LEN;
416 default:
417 return -EINVAL;
418 }
419}
420
421static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
422 struct ethtool_stats *stats, u64 *data)
423{
424 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
425 struct rtnl_link_stats64 temp;
426 const struct rtnl_link_stats64 *net_stats;
427 unsigned int start;
428 struct ixgbevf_ring *ring;
429 int i, j;
430 char *p;
431
432 ixgbevf_update_stats(adapter);
433 net_stats = dev_get_stats(netdev, &temp);
434 for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
435 switch (ixgbevf_gstrings_stats[i].type) {
436 case NETDEV_STATS:
437 p = (char *)net_stats +
438 ixgbevf_gstrings_stats[i].stat_offset;
439 break;
440 case IXGBEVF_STATS:
441 p = (char *)adapter +
442 ixgbevf_gstrings_stats[i].stat_offset;
443 break;
444 default:
445 data[i] = 0;
446 continue;
447 }
448
449 data[i] = (ixgbevf_gstrings_stats[i].sizeof_stat ==
450 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
451 }
452
453 /* populate Tx queue data */
454 for (j = 0; j < adapter->num_tx_queues; j++) {
455 ring = adapter->tx_ring[j];
456 if (!ring) {
457 data[i++] = 0;
458 data[i++] = 0;
459 continue;
460 }
461
462 do {
463 start = u64_stats_fetch_begin_irq(&ring->syncp);
464 data[i] = ring->stats.packets;
465 data[i + 1] = ring->stats.bytes;
466 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
467 i += 2;
468 }
469
470 /* populate XDP queue data */
471 for (j = 0; j < adapter->num_xdp_queues; j++) {
472 ring = adapter->xdp_ring[j];
473 if (!ring) {
474 data[i++] = 0;
475 data[i++] = 0;
476 continue;
477 }
478
479 do {
480 start = u64_stats_fetch_begin_irq(&ring->syncp);
481 data[i] = ring->stats.packets;
482 data[i + 1] = ring->stats.bytes;
483 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
484 i += 2;
485 }
486
487 /* populate Rx queue data */
488 for (j = 0; j < adapter->num_rx_queues; j++) {
489 ring = adapter->rx_ring[j];
490 if (!ring) {
491 data[i++] = 0;
492 data[i++] = 0;
493 continue;
494 }
495
496 do {
497 start = u64_stats_fetch_begin_irq(&ring->syncp);
498 data[i] = ring->stats.packets;
499 data[i + 1] = ring->stats.bytes;
500 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
501 i += 2;
502 }
503}
504
505static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
506 u8 *data)
507{
508 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
509 char *p = (char *)data;
510 int i;
511
512 switch (stringset) {
513 case ETH_SS_TEST:
514 memcpy(data, *ixgbe_gstrings_test,
515 IXGBEVF_TEST_LEN * ETH_GSTRING_LEN);
516 break;
517 case ETH_SS_STATS:
518 for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
519 memcpy(p, ixgbevf_gstrings_stats[i].stat_string,
520 ETH_GSTRING_LEN);
521 p += ETH_GSTRING_LEN;
522 }
523
524 for (i = 0; i < adapter->num_tx_queues; i++) {
525 sprintf(p, "tx_queue_%u_packets", i);
526 p += ETH_GSTRING_LEN;
527 sprintf(p, "tx_queue_%u_bytes", i);
528 p += ETH_GSTRING_LEN;
529 }
530 for (i = 0; i < adapter->num_xdp_queues; i++) {
531 sprintf(p, "xdp_queue_%u_packets", i);
532 p += ETH_GSTRING_LEN;
533 sprintf(p, "xdp_queue_%u_bytes", i);
534 p += ETH_GSTRING_LEN;
535 }
536 for (i = 0; i < adapter->num_rx_queues; i++) {
537 sprintf(p, "rx_queue_%u_packets", i);
538 p += ETH_GSTRING_LEN;
539 sprintf(p, "rx_queue_%u_bytes", i);
540 p += ETH_GSTRING_LEN;
541 }
542 break;
543 case ETH_SS_PRIV_FLAGS:
544 memcpy(data, ixgbevf_priv_flags_strings,
545 IXGBEVF_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
546 break;
547 }
548}
549
550static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
551{
552 struct ixgbe_hw *hw = &adapter->hw;
553 bool link_up;
554 u32 link_speed = 0;
555 *data = 0;
556
557 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
558 if (!link_up)
559 *data = 1;
560
561 return *data;
562}
563
564/* ethtool register test data */
565struct ixgbevf_reg_test {
566 u16 reg;
567 u8 array_len;
568 u8 test_type;
569 u32 mask;
570 u32 write;
571};
572
573/* In the hardware, registers are laid out either singly, in arrays
574 * spaced 0x40 bytes apart, or in contiguous tables. We assume
575 * most tests take place on arrays or single registers (handled
576 * as a single-element array) and special-case the tables.
577 * Table tests are always pattern tests.
578 *
579 * We also make provision for some required setup steps by specifying
580 * registers to be written without any read-back testing.
581 */
582
583#define PATTERN_TEST 1
584#define SET_READ_TEST 2
585#define WRITE_NO_TEST 3
586#define TABLE32_TEST 4
587#define TABLE64_TEST_LO 5
588#define TABLE64_TEST_HI 6
589
590/* default VF register test */
591static const struct ixgbevf_reg_test reg_test_vf[] = {
592 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
593 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
594 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
595 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
596 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
597 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
598 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
599 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
600 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
601 { .reg = 0 }
602};
603
604static const u32 register_test_patterns[] = {
605 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
606};
607
608static bool reg_pattern_test(struct ixgbevf_adapter *adapter, u64 *data,
609 int reg, u32 mask, u32 write)
610{
611 u32 pat, val, before;
612
613 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
614 *data = 1;
615 return true;
616 }
617 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) {
618 before = ixgbevf_read_reg(&adapter->hw, reg);
619 ixgbe_write_reg(&adapter->hw, reg,
620 register_test_patterns[pat] & write);
621 val = ixgbevf_read_reg(&adapter->hw, reg);
622 if (val != (register_test_patterns[pat] & write & mask)) {
623 hw_dbg(&adapter->hw,
624 "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
625 reg, val,
626 register_test_patterns[pat] & write & mask);
627 *data = reg;
628 ixgbe_write_reg(&adapter->hw, reg, before);
629 return true;
630 }
631 ixgbe_write_reg(&adapter->hw, reg, before);
632 }
633 return false;
634}
635
636static bool reg_set_and_check(struct ixgbevf_adapter *adapter, u64 *data,
637 int reg, u32 mask, u32 write)
638{
639 u32 val, before;
640
641 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
642 *data = 1;
643 return true;
644 }
645 before = ixgbevf_read_reg(&adapter->hw, reg);
646 ixgbe_write_reg(&adapter->hw, reg, write & mask);
647 val = ixgbevf_read_reg(&adapter->hw, reg);
648 if ((write & mask) != (val & mask)) {
649 pr_err("set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
650 reg, (val & mask), write & mask);
651 *data = reg;
652 ixgbe_write_reg(&adapter->hw, reg, before);
653 return true;
654 }
655 ixgbe_write_reg(&adapter->hw, reg, before);
656 return false;
657}
658
659static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
660{
661 const struct ixgbevf_reg_test *test;
662 u32 i;
663
664 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
665 dev_err(&adapter->pdev->dev,
666 "Adapter removed - register test blocked\n");
667 *data = 1;
668 return 1;
669 }
670 test = reg_test_vf;
671
672 /* Perform the register test, looping through the test table
673 * until we either fail or reach the null entry.
674 */
675 while (test->reg) {
676 for (i = 0; i < test->array_len; i++) {
677 bool b = false;
678
679 switch (test->test_type) {
680 case PATTERN_TEST:
681 b = reg_pattern_test(adapter, data,
682 test->reg + (i * 0x40),
683 test->mask,
684 test->write);
685 break;
686 case SET_READ_TEST:
687 b = reg_set_and_check(adapter, data,
688 test->reg + (i * 0x40),
689 test->mask,
690 test->write);
691 break;
692 case WRITE_NO_TEST:
693 ixgbe_write_reg(&adapter->hw,
694 test->reg + (i * 0x40),
695 test->write);
696 break;
697 case TABLE32_TEST:
698 b = reg_pattern_test(adapter, data,
699 test->reg + (i * 4),
700 test->mask,
701 test->write);
702 break;
703 case TABLE64_TEST_LO:
704 b = reg_pattern_test(adapter, data,
705 test->reg + (i * 8),
706 test->mask,
707 test->write);
708 break;
709 case TABLE64_TEST_HI:
710 b = reg_pattern_test(adapter, data,
711 test->reg + 4 + (i * 8),
712 test->mask,
713 test->write);
714 break;
715 }
716 if (b)
717 return 1;
718 }
719 test++;
720 }
721
722 *data = 0;
723 return *data;
724}
725
726static void ixgbevf_diag_test(struct net_device *netdev,
727 struct ethtool_test *eth_test, u64 *data)
728{
729 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
730 bool if_running = netif_running(netdev);
731
732 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
733 dev_err(&adapter->pdev->dev,
734 "Adapter removed - test blocked\n");
735 data[0] = 1;
736 data[1] = 1;
737 eth_test->flags |= ETH_TEST_FL_FAILED;
738 return;
739 }
740 set_bit(__IXGBEVF_TESTING, &adapter->state);
741 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
742 /* Offline tests */
743
744 hw_dbg(&adapter->hw, "offline testing starting\n");
745
746 /* Link test performed before hardware reset so autoneg doesn't
747 * interfere with test result
748 */
749 if (ixgbevf_link_test(adapter, &data[1]))
750 eth_test->flags |= ETH_TEST_FL_FAILED;
751
752 if (if_running)
753 /* indicate we're in test mode */
754 ixgbevf_close(netdev);
755 else
756 ixgbevf_reset(adapter);
757
758 hw_dbg(&adapter->hw, "register testing starting\n");
759 if (ixgbevf_reg_test(adapter, &data[0]))
760 eth_test->flags |= ETH_TEST_FL_FAILED;
761
762 ixgbevf_reset(adapter);
763
764 clear_bit(__IXGBEVF_TESTING, &adapter->state);
765 if (if_running)
766 ixgbevf_open(netdev);
767 } else {
768 hw_dbg(&adapter->hw, "online testing starting\n");
769 /* Online tests */
770 if (ixgbevf_link_test(adapter, &data[1]))
771 eth_test->flags |= ETH_TEST_FL_FAILED;
772
773 /* Online tests aren't run; pass by default */
774 data[0] = 0;
775
776 clear_bit(__IXGBEVF_TESTING, &adapter->state);
777 }
778 msleep_interruptible(4 * 1000);
779}
780
781static int ixgbevf_nway_reset(struct net_device *netdev)
782{
783 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
784
785 if (netif_running(netdev))
786 ixgbevf_reinit_locked(adapter);
787
788 return 0;
789}
790
791static int ixgbevf_get_coalesce(struct net_device *netdev,
792 struct ethtool_coalesce *ec)
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{
818 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
819 struct ixgbevf_q_vector *q_vector;
820 int num_vectors, i;
821 u16 tx_itr_param, rx_itr_param;
822
823 /* don't accept Tx specific changes if we've got mixed RxTx vectors */
824 if (adapter->q_vector[0]->tx.count &&
825 adapter->q_vector[0]->rx.count && ec->tx_coalesce_usecs)
826 return -EINVAL;
827
828 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
829 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
830 return -EINVAL;
831
832 if (ec->rx_coalesce_usecs > 1)
833 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
834 else
835 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
836
837 if (adapter->rx_itr_setting == 1)
838 rx_itr_param = IXGBE_20K_ITR;
839 else
840 rx_itr_param = adapter->rx_itr_setting;
841
842 if (ec->tx_coalesce_usecs > 1)
843 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
844 else
845 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
846
847 if (adapter->tx_itr_setting == 1)
848 tx_itr_param = IXGBE_12K_ITR;
849 else
850 tx_itr_param = adapter->tx_itr_setting;
851
852 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
853
854 for (i = 0; i < num_vectors; i++) {
855 q_vector = adapter->q_vector[i];
856 if (q_vector->tx.count && !q_vector->rx.count)
857 /* Tx only */
858 q_vector->itr = tx_itr_param;
859 else
860 /* Rx only or mixed */
861 q_vector->itr = rx_itr_param;
862 ixgbevf_write_eitr(q_vector);
863 }
864
865 return 0;
866}
867
868static int ixgbevf_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
869 u32 *rules __always_unused)
870{
871 struct ixgbevf_adapter *adapter = netdev_priv(dev);
872
873 switch (info->cmd) {
874 case ETHTOOL_GRXRINGS:
875 info->data = adapter->num_rx_queues;
876 return 0;
877 default:
878 hw_dbg(&adapter->hw, "Command parameters not supported\n");
879 return -EOPNOTSUPP;
880 }
881}
882
883static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev)
884{
885 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
886
887 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf)
888 return IXGBEVF_X550_VFRETA_SIZE;
889
890 return IXGBEVF_82599_RETA_SIZE;
891}
892
893static u32 ixgbevf_get_rxfh_key_size(struct net_device *netdev)
894{
895 return IXGBEVF_RSS_HASH_KEY_SIZE;
896}
897
898static int ixgbevf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
899 u8 *hfunc)
900{
901 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
902 int err = 0;
903
904 if (hfunc)
905 *hfunc = ETH_RSS_HASH_TOP;
906
907 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf) {
908 if (key)
909 memcpy(key, adapter->rss_key,
910 ixgbevf_get_rxfh_key_size(netdev));
911
912 if (indir) {
913 int i;
914
915 for (i = 0; i < IXGBEVF_X550_VFRETA_SIZE; i++)
916 indir[i] = adapter->rss_indir_tbl[i];
917 }
918 } else {
919 /* If neither indirection table nor hash key was requested
920 * - just return a success avoiding taking any locks.
921 */
922 if (!indir && !key)
923 return 0;
924
925 spin_lock_bh(&adapter->mbx_lock);
926 if (indir)
927 err = ixgbevf_get_reta_locked(&adapter->hw, indir,
928 adapter->num_rx_queues);
929
930 if (!err && key)
931 err = ixgbevf_get_rss_key_locked(&adapter->hw, key);
932
933 spin_unlock_bh(&adapter->mbx_lock);
934 }
935
936 return err;
937}
938
939static u32 ixgbevf_get_priv_flags(struct net_device *netdev)
940{
941 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
942 u32 priv_flags = 0;
943
944 if (adapter->flags & IXGBEVF_FLAGS_LEGACY_RX)
945 priv_flags |= IXGBEVF_PRIV_FLAGS_LEGACY_RX;
946
947 return priv_flags;
948}
949
950static int ixgbevf_set_priv_flags(struct net_device *netdev, u32 priv_flags)
951{
952 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
953 unsigned int flags = adapter->flags;
954
955 flags &= ~IXGBEVF_FLAGS_LEGACY_RX;
956 if (priv_flags & IXGBEVF_PRIV_FLAGS_LEGACY_RX)
957 flags |= IXGBEVF_FLAGS_LEGACY_RX;
958
959 if (flags != adapter->flags) {
960 adapter->flags = flags;
961
962 /* reset interface to repopulate queues */
963 if (netif_running(netdev))
964 ixgbevf_reinit_locked(adapter);
965 }
966
967 return 0;
968}
969
970static const struct ethtool_ops ixgbevf_ethtool_ops = {
971 .get_drvinfo = ixgbevf_get_drvinfo,
972 .get_regs_len = ixgbevf_get_regs_len,
973 .get_regs = ixgbevf_get_regs,
974 .nway_reset = ixgbevf_nway_reset,
975 .get_link = ethtool_op_get_link,
976 .get_ringparam = ixgbevf_get_ringparam,
977 .set_ringparam = ixgbevf_set_ringparam,
978 .get_msglevel = ixgbevf_get_msglevel,
979 .set_msglevel = ixgbevf_set_msglevel,
980 .self_test = ixgbevf_diag_test,
981 .get_sset_count = ixgbevf_get_sset_count,
982 .get_strings = ixgbevf_get_strings,
983 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
984 .get_coalesce = ixgbevf_get_coalesce,
985 .set_coalesce = ixgbevf_set_coalesce,
986 .get_rxnfc = ixgbevf_get_rxnfc,
987 .get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size,
988 .get_rxfh_key_size = ixgbevf_get_rxfh_key_size,
989 .get_rxfh = ixgbevf_get_rxfh,
990 .get_link_ksettings = ixgbevf_get_link_ksettings,
991 .get_priv_flags = ixgbevf_get_priv_flags,
992 .set_priv_flags = ixgbevf_set_priv_flags,
993};
994
995void ixgbevf_set_ethtool_ops(struct net_device *netdev)
996{
997 netdev->ethtool_ops = &ixgbevf_ethtool_ops;
998}