Loading...
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
45enum {NETDEV_STATS, IXGBEVF_STATS};
46
47struct ixgbe_stats {
48 char stat_string[ETH_GSTRING_LEN];
49 int type;
50 int sizeof_stat;
51 int stat_offset;
52};
53
54#define IXGBEVF_STAT(_name, _stat) { \
55 .stat_string = _name, \
56 .type = IXGBEVF_STATS, \
57 .sizeof_stat = FIELD_SIZEOF(struct ixgbevf_adapter, _stat), \
58 .stat_offset = offsetof(struct ixgbevf_adapter, _stat) \
59}
60
61#define IXGBEVF_NETDEV_STAT(_net_stat) { \
62 .stat_string = #_net_stat, \
63 .type = NETDEV_STATS, \
64 .sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
65 .stat_offset = offsetof(struct net_device_stats, _net_stat) \
66}
67
68static struct ixgbe_stats ixgbevf_gstrings_stats[] = {
69 IXGBEVF_NETDEV_STAT(rx_packets),
70 IXGBEVF_NETDEV_STAT(tx_packets),
71 IXGBEVF_NETDEV_STAT(rx_bytes),
72 IXGBEVF_NETDEV_STAT(tx_bytes),
73 IXGBEVF_STAT("tx_busy", tx_busy),
74 IXGBEVF_STAT("tx_restart_queue", restart_queue),
75 IXGBEVF_STAT("tx_timeout_count", tx_timeout_count),
76 IXGBEVF_NETDEV_STAT(multicast),
77 IXGBEVF_STAT("rx_csum_offload_errors", hw_csum_rx_error),
78};
79
80#define IXGBEVF_QUEUE_STATS_LEN ( \
81 (((struct ixgbevf_adapter *)netdev_priv(netdev))->num_tx_queues + \
82 ((struct ixgbevf_adapter *)netdev_priv(netdev))->num_rx_queues) * \
83 (sizeof(struct ixgbe_stats) / sizeof(u64)))
84#define IXGBEVF_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbevf_gstrings_stats)
85
86#define IXGBEVF_STATS_LEN (IXGBEVF_GLOBAL_STATS_LEN + IXGBEVF_QUEUE_STATS_LEN)
87static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
88 "Register test (offline)",
89 "Link test (on/offline)"
90};
91
92#define IXGBEVF_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
93
94static int ixgbevf_get_settings(struct net_device *netdev,
95 struct ethtool_cmd *ecmd)
96{
97 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
98 struct ixgbe_hw *hw = &adapter->hw;
99 u32 link_speed = 0;
100 bool link_up;
101
102 ecmd->supported = SUPPORTED_10000baseT_Full;
103 ecmd->autoneg = AUTONEG_DISABLE;
104 ecmd->transceiver = XCVR_DUMMY1;
105 ecmd->port = -1;
106
107 hw->mac.get_link_status = 1;
108 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
109
110 if (link_up) {
111 __u32 speed = SPEED_10000;
112
113 switch (link_speed) {
114 case IXGBE_LINK_SPEED_10GB_FULL:
115 speed = SPEED_10000;
116 break;
117 case IXGBE_LINK_SPEED_1GB_FULL:
118 speed = SPEED_1000;
119 break;
120 case IXGBE_LINK_SPEED_100_FULL:
121 speed = SPEED_100;
122 break;
123 }
124
125 ethtool_cmd_speed_set(ecmd, speed);
126 ecmd->duplex = DUPLEX_FULL;
127 } else {
128 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
129 ecmd->duplex = DUPLEX_UNKNOWN;
130 }
131
132 return 0;
133}
134
135static u32 ixgbevf_get_msglevel(struct net_device *netdev)
136{
137 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
138
139 return adapter->msg_enable;
140}
141
142static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
143{
144 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
145
146 adapter->msg_enable = data;
147}
148
149#define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
150
151static int ixgbevf_get_regs_len(struct net_device *netdev)
152{
153#define IXGBE_REGS_LEN 45
154 return IXGBE_REGS_LEN * sizeof(u32);
155}
156
157static void ixgbevf_get_regs(struct net_device *netdev,
158 struct ethtool_regs *regs,
159 void *p)
160{
161 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
162 struct ixgbe_hw *hw = &adapter->hw;
163 u32 *regs_buff = p;
164 u32 regs_len = ixgbevf_get_regs_len(netdev);
165 u8 i;
166
167 memset(p, 0, regs_len);
168
169 /* generate a number suitable for ethtool's register version */
170 regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
171
172 /* General Registers */
173 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
174 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
175 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
176 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
177 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER);
178
179 /* Interrupt */
180 /* don't read EICR because it can clear interrupt causes, instead
181 * read EICS which is a shadow but doesn't clear EICR
182 */
183 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
184 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
185 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
186 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
187 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
188 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
189 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
190 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
191 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
192
193 /* Receive DMA */
194 for (i = 0; i < 2; i++)
195 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
196 for (i = 0; i < 2; i++)
197 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
198 for (i = 0; i < 2; i++)
199 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
200 for (i = 0; i < 2; i++)
201 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
202 for (i = 0; i < 2; i++)
203 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
204 for (i = 0; i < 2; i++)
205 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
206 for (i = 0; i < 2; i++)
207 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
208
209 /* Receive */
210 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
211
212 /* Transmit */
213 for (i = 0; i < 2; i++)
214 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
215 for (i = 0; i < 2; i++)
216 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
217 for (i = 0; i < 2; i++)
218 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
219 for (i = 0; i < 2; i++)
220 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
221 for (i = 0; i < 2; i++)
222 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
223 for (i = 0; i < 2; i++)
224 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
225 for (i = 0; i < 2; i++)
226 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
227 for (i = 0; i < 2; i++)
228 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
229}
230
231static void ixgbevf_get_drvinfo(struct net_device *netdev,
232 struct ethtool_drvinfo *drvinfo)
233{
234 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
235
236 strlcpy(drvinfo->driver, ixgbevf_driver_name, sizeof(drvinfo->driver));
237 strlcpy(drvinfo->version, ixgbevf_driver_version,
238 sizeof(drvinfo->version));
239 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
240 sizeof(drvinfo->bus_info));
241}
242
243static void ixgbevf_get_ringparam(struct net_device *netdev,
244 struct ethtool_ringparam *ring)
245{
246 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
247
248 ring->rx_max_pending = IXGBEVF_MAX_RXD;
249 ring->tx_max_pending = IXGBEVF_MAX_TXD;
250 ring->rx_pending = adapter->rx_ring_count;
251 ring->tx_pending = adapter->tx_ring_count;
252}
253
254static int ixgbevf_set_ringparam(struct net_device *netdev,
255 struct ethtool_ringparam *ring)
256{
257 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
258 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
259 u32 new_rx_count, new_tx_count;
260 int i, err = 0;
261
262 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
263 return -EINVAL;
264
265 new_tx_count = max_t(u32, ring->tx_pending, IXGBEVF_MIN_TXD);
266 new_tx_count = min_t(u32, new_tx_count, IXGBEVF_MAX_TXD);
267 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
268
269 new_rx_count = max_t(u32, ring->rx_pending, IXGBEVF_MIN_RXD);
270 new_rx_count = min_t(u32, new_rx_count, IXGBEVF_MAX_RXD);
271 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
272
273 /* if nothing to do return success */
274 if ((new_tx_count == adapter->tx_ring_count) &&
275 (new_rx_count == adapter->rx_ring_count))
276 return 0;
277
278 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
279 usleep_range(1000, 2000);
280
281 if (!netif_running(adapter->netdev)) {
282 for (i = 0; i < adapter->num_tx_queues; i++)
283 adapter->tx_ring[i]->count = new_tx_count;
284 for (i = 0; i < adapter->num_rx_queues; i++)
285 adapter->rx_ring[i]->count = new_rx_count;
286 adapter->tx_ring_count = new_tx_count;
287 adapter->rx_ring_count = new_rx_count;
288 goto clear_reset;
289 }
290
291 if (new_tx_count != adapter->tx_ring_count) {
292 tx_ring = vmalloc(adapter->num_tx_queues * sizeof(*tx_ring));
293 if (!tx_ring) {
294 err = -ENOMEM;
295 goto clear_reset;
296 }
297
298 for (i = 0; i < adapter->num_tx_queues; i++) {
299 /* clone ring and setup updated count */
300 tx_ring[i] = *adapter->tx_ring[i];
301 tx_ring[i].count = new_tx_count;
302 err = ixgbevf_setup_tx_resources(&tx_ring[i]);
303 if (err) {
304 while (i) {
305 i--;
306 ixgbevf_free_tx_resources(&tx_ring[i]);
307 }
308
309 vfree(tx_ring);
310 tx_ring = NULL;
311
312 goto clear_reset;
313 }
314 }
315 }
316
317 if (new_rx_count != adapter->rx_ring_count) {
318 rx_ring = vmalloc(adapter->num_rx_queues * sizeof(*rx_ring));
319 if (!rx_ring) {
320 err = -ENOMEM;
321 goto clear_reset;
322 }
323
324 for (i = 0; i < adapter->num_rx_queues; i++) {
325 /* clone ring and setup updated count */
326 rx_ring[i] = *adapter->rx_ring[i];
327 rx_ring[i].count = new_rx_count;
328 err = ixgbevf_setup_rx_resources(&rx_ring[i]);
329 if (err) {
330 while (i) {
331 i--;
332 ixgbevf_free_rx_resources(&rx_ring[i]);
333 }
334
335 vfree(rx_ring);
336 rx_ring = NULL;
337
338 goto clear_reset;
339 }
340 }
341 }
342
343 /* bring interface down to prepare for update */
344 ixgbevf_down(adapter);
345
346 /* Tx */
347 if (tx_ring) {
348 for (i = 0; i < adapter->num_tx_queues; i++) {
349 ixgbevf_free_tx_resources(adapter->tx_ring[i]);
350 *adapter->tx_ring[i] = tx_ring[i];
351 }
352 adapter->tx_ring_count = new_tx_count;
353
354 vfree(tx_ring);
355 tx_ring = NULL;
356 }
357
358 /* Rx */
359 if (rx_ring) {
360 for (i = 0; i < adapter->num_rx_queues; i++) {
361 ixgbevf_free_rx_resources(adapter->rx_ring[i]);
362 *adapter->rx_ring[i] = rx_ring[i];
363 }
364 adapter->rx_ring_count = new_rx_count;
365
366 vfree(rx_ring);
367 rx_ring = NULL;
368 }
369
370 /* restore interface using new values */
371 ixgbevf_up(adapter);
372
373clear_reset:
374 /* free Tx resources if Rx error is encountered */
375 if (tx_ring) {
376 for (i = 0; i < adapter->num_tx_queues; i++)
377 ixgbevf_free_tx_resources(&tx_ring[i]);
378 vfree(tx_ring);
379 }
380
381 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
382 return err;
383}
384
385static int ixgbevf_get_sset_count(struct net_device *netdev, int stringset)
386{
387 switch (stringset) {
388 case ETH_SS_TEST:
389 return IXGBEVF_TEST_LEN;
390 case ETH_SS_STATS:
391 return IXGBEVF_STATS_LEN;
392 default:
393 return -EINVAL;
394 }
395}
396
397static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
398 struct ethtool_stats *stats, u64 *data)
399{
400 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
401 struct rtnl_link_stats64 temp;
402 const struct rtnl_link_stats64 *net_stats;
403 unsigned int start;
404 struct ixgbevf_ring *ring;
405 int i, j;
406 char *p;
407
408 ixgbevf_update_stats(adapter);
409 net_stats = dev_get_stats(netdev, &temp);
410 for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
411 switch (ixgbevf_gstrings_stats[i].type) {
412 case NETDEV_STATS:
413 p = (char *)net_stats +
414 ixgbevf_gstrings_stats[i].stat_offset;
415 break;
416 case IXGBEVF_STATS:
417 p = (char *)adapter +
418 ixgbevf_gstrings_stats[i].stat_offset;
419 break;
420 default:
421 data[i] = 0;
422 continue;
423 }
424
425 data[i] = (ixgbevf_gstrings_stats[i].sizeof_stat ==
426 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
427 }
428
429 /* populate Tx queue data */
430 for (j = 0; j < adapter->num_tx_queues; j++) {
431 ring = adapter->tx_ring[j];
432 if (!ring) {
433 data[i++] = 0;
434 data[i++] = 0;
435#ifdef BP_EXTENDED_STATS
436 data[i++] = 0;
437 data[i++] = 0;
438 data[i++] = 0;
439#endif
440 continue;
441 }
442
443 do {
444 start = u64_stats_fetch_begin_irq(&ring->syncp);
445 data[i] = ring->stats.packets;
446 data[i + 1] = ring->stats.bytes;
447 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
448 i += 2;
449#ifdef BP_EXTENDED_STATS
450 data[i] = ring->stats.yields;
451 data[i + 1] = ring->stats.misses;
452 data[i + 2] = ring->stats.cleaned;
453 i += 3;
454#endif
455 }
456
457 /* populate Rx queue data */
458 for (j = 0; j < adapter->num_rx_queues; j++) {
459 ring = adapter->rx_ring[j];
460 if (!ring) {
461 data[i++] = 0;
462 data[i++] = 0;
463#ifdef BP_EXTENDED_STATS
464 data[i++] = 0;
465 data[i++] = 0;
466 data[i++] = 0;
467#endif
468 continue;
469 }
470
471 do {
472 start = u64_stats_fetch_begin_irq(&ring->syncp);
473 data[i] = ring->stats.packets;
474 data[i + 1] = ring->stats.bytes;
475 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
476 i += 2;
477#ifdef BP_EXTENDED_STATS
478 data[i] = ring->stats.yields;
479 data[i + 1] = ring->stats.misses;
480 data[i + 2] = ring->stats.cleaned;
481 i += 3;
482#endif
483 }
484}
485
486static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
487 u8 *data)
488{
489 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
490 char *p = (char *)data;
491 int i;
492
493 switch (stringset) {
494 case ETH_SS_TEST:
495 memcpy(data, *ixgbe_gstrings_test,
496 IXGBEVF_TEST_LEN * ETH_GSTRING_LEN);
497 break;
498 case ETH_SS_STATS:
499 for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
500 memcpy(p, ixgbevf_gstrings_stats[i].stat_string,
501 ETH_GSTRING_LEN);
502 p += ETH_GSTRING_LEN;
503 }
504
505 for (i = 0; i < adapter->num_tx_queues; i++) {
506 sprintf(p, "tx_queue_%u_packets", i);
507 p += ETH_GSTRING_LEN;
508 sprintf(p, "tx_queue_%u_bytes", i);
509 p += ETH_GSTRING_LEN;
510#ifdef BP_EXTENDED_STATS
511 sprintf(p, "tx_queue_%u_bp_napi_yield", i);
512 p += ETH_GSTRING_LEN;
513 sprintf(p, "tx_queue_%u_bp_misses", i);
514 p += ETH_GSTRING_LEN;
515 sprintf(p, "tx_queue_%u_bp_cleaned", i);
516 p += ETH_GSTRING_LEN;
517#endif /* BP_EXTENDED_STATS */
518 }
519 for (i = 0; i < adapter->num_rx_queues; i++) {
520 sprintf(p, "rx_queue_%u_packets", i);
521 p += ETH_GSTRING_LEN;
522 sprintf(p, "rx_queue_%u_bytes", i);
523 p += ETH_GSTRING_LEN;
524#ifdef BP_EXTENDED_STATS
525 sprintf(p, "rx_queue_%u_bp_poll_yield", i);
526 p += ETH_GSTRING_LEN;
527 sprintf(p, "rx_queue_%u_bp_misses", i);
528 p += ETH_GSTRING_LEN;
529 sprintf(p, "rx_queue_%u_bp_cleaned", i);
530 p += ETH_GSTRING_LEN;
531#endif /* BP_EXTENDED_STATS */
532 }
533 break;
534 }
535}
536
537static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
538{
539 struct ixgbe_hw *hw = &adapter->hw;
540 bool link_up;
541 u32 link_speed = 0;
542 *data = 0;
543
544 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
545 if (!link_up)
546 *data = 1;
547
548 return *data;
549}
550
551/* ethtool register test data */
552struct ixgbevf_reg_test {
553 u16 reg;
554 u8 array_len;
555 u8 test_type;
556 u32 mask;
557 u32 write;
558};
559
560/* In the hardware, registers are laid out either singly, in arrays
561 * spaced 0x40 bytes apart, or in contiguous tables. We assume
562 * most tests take place on arrays or single registers (handled
563 * as a single-element array) and special-case the tables.
564 * Table tests are always pattern tests.
565 *
566 * We also make provision for some required setup steps by specifying
567 * registers to be written without any read-back testing.
568 */
569
570#define PATTERN_TEST 1
571#define SET_READ_TEST 2
572#define WRITE_NO_TEST 3
573#define TABLE32_TEST 4
574#define TABLE64_TEST_LO 5
575#define TABLE64_TEST_HI 6
576
577/* default VF register test */
578static const struct ixgbevf_reg_test reg_test_vf[] = {
579 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
580 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
581 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
582 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
583 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
584 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
585 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
586 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
587 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
588 { .reg = 0 }
589};
590
591static const u32 register_test_patterns[] = {
592 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
593};
594
595static bool reg_pattern_test(struct ixgbevf_adapter *adapter, u64 *data,
596 int reg, u32 mask, u32 write)
597{
598 u32 pat, val, before;
599
600 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
601 *data = 1;
602 return true;
603 }
604 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) {
605 before = ixgbevf_read_reg(&adapter->hw, reg);
606 ixgbe_write_reg(&adapter->hw, reg,
607 register_test_patterns[pat] & write);
608 val = ixgbevf_read_reg(&adapter->hw, reg);
609 if (val != (register_test_patterns[pat] & write & mask)) {
610 hw_dbg(&adapter->hw,
611 "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
612 reg, val,
613 register_test_patterns[pat] & write & mask);
614 *data = reg;
615 ixgbe_write_reg(&adapter->hw, reg, before);
616 return true;
617 }
618 ixgbe_write_reg(&adapter->hw, reg, before);
619 }
620 return false;
621}
622
623static bool reg_set_and_check(struct ixgbevf_adapter *adapter, u64 *data,
624 int reg, u32 mask, u32 write)
625{
626 u32 val, before;
627
628 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
629 *data = 1;
630 return true;
631 }
632 before = ixgbevf_read_reg(&adapter->hw, reg);
633 ixgbe_write_reg(&adapter->hw, reg, write & mask);
634 val = ixgbevf_read_reg(&adapter->hw, reg);
635 if ((write & mask) != (val & mask)) {
636 pr_err("set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
637 reg, (val & mask), write & mask);
638 *data = reg;
639 ixgbe_write_reg(&adapter->hw, reg, before);
640 return true;
641 }
642 ixgbe_write_reg(&adapter->hw, reg, before);
643 return false;
644}
645
646static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
647{
648 const struct ixgbevf_reg_test *test;
649 u32 i;
650
651 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
652 dev_err(&adapter->pdev->dev,
653 "Adapter removed - register test blocked\n");
654 *data = 1;
655 return 1;
656 }
657 test = reg_test_vf;
658
659 /* Perform the register test, looping through the test table
660 * until we either fail or reach the null entry.
661 */
662 while (test->reg) {
663 for (i = 0; i < test->array_len; i++) {
664 bool b = false;
665
666 switch (test->test_type) {
667 case PATTERN_TEST:
668 b = reg_pattern_test(adapter, data,
669 test->reg + (i * 0x40),
670 test->mask,
671 test->write);
672 break;
673 case SET_READ_TEST:
674 b = reg_set_and_check(adapter, data,
675 test->reg + (i * 0x40),
676 test->mask,
677 test->write);
678 break;
679 case WRITE_NO_TEST:
680 ixgbe_write_reg(&adapter->hw,
681 test->reg + (i * 0x40),
682 test->write);
683 break;
684 case TABLE32_TEST:
685 b = reg_pattern_test(adapter, data,
686 test->reg + (i * 4),
687 test->mask,
688 test->write);
689 break;
690 case TABLE64_TEST_LO:
691 b = reg_pattern_test(adapter, data,
692 test->reg + (i * 8),
693 test->mask,
694 test->write);
695 break;
696 case TABLE64_TEST_HI:
697 b = reg_pattern_test(adapter, data,
698 test->reg + 4 + (i * 8),
699 test->mask,
700 test->write);
701 break;
702 }
703 if (b)
704 return 1;
705 }
706 test++;
707 }
708
709 *data = 0;
710 return *data;
711}
712
713static void ixgbevf_diag_test(struct net_device *netdev,
714 struct ethtool_test *eth_test, u64 *data)
715{
716 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
717 bool if_running = netif_running(netdev);
718
719 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
720 dev_err(&adapter->pdev->dev,
721 "Adapter removed - test blocked\n");
722 data[0] = 1;
723 data[1] = 1;
724 eth_test->flags |= ETH_TEST_FL_FAILED;
725 return;
726 }
727 set_bit(__IXGBEVF_TESTING, &adapter->state);
728 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
729 /* Offline tests */
730
731 hw_dbg(&adapter->hw, "offline testing starting\n");
732
733 /* Link test performed before hardware reset so autoneg doesn't
734 * interfere with test result
735 */
736 if (ixgbevf_link_test(adapter, &data[1]))
737 eth_test->flags |= ETH_TEST_FL_FAILED;
738
739 if (if_running)
740 /* indicate we're in test mode */
741 ixgbevf_close(netdev);
742 else
743 ixgbevf_reset(adapter);
744
745 hw_dbg(&adapter->hw, "register testing starting\n");
746 if (ixgbevf_reg_test(adapter, &data[0]))
747 eth_test->flags |= ETH_TEST_FL_FAILED;
748
749 ixgbevf_reset(adapter);
750
751 clear_bit(__IXGBEVF_TESTING, &adapter->state);
752 if (if_running)
753 ixgbevf_open(netdev);
754 } else {
755 hw_dbg(&adapter->hw, "online testing starting\n");
756 /* Online tests */
757 if (ixgbevf_link_test(adapter, &data[1]))
758 eth_test->flags |= ETH_TEST_FL_FAILED;
759
760 /* Online tests aren't run; pass by default */
761 data[0] = 0;
762
763 clear_bit(__IXGBEVF_TESTING, &adapter->state);
764 }
765 msleep_interruptible(4 * 1000);
766}
767
768static int ixgbevf_nway_reset(struct net_device *netdev)
769{
770 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
771
772 if (netif_running(netdev))
773 ixgbevf_reinit_locked(adapter);
774
775 return 0;
776}
777
778static int ixgbevf_get_coalesce(struct net_device *netdev,
779 struct ethtool_coalesce *ec)
780{
781 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
782
783 /* only valid if in constant ITR mode */
784 if (adapter->rx_itr_setting <= 1)
785 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
786 else
787 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
788
789 /* if in mixed Tx/Rx queues per vector mode, report only Rx settings */
790 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
791 return 0;
792
793 /* only valid if in constant ITR mode */
794 if (adapter->tx_itr_setting <= 1)
795 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
796 else
797 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
798
799 return 0;
800}
801
802static int ixgbevf_set_coalesce(struct net_device *netdev,
803 struct ethtool_coalesce *ec)
804{
805 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
806 struct ixgbevf_q_vector *q_vector;
807 int num_vectors, i;
808 u16 tx_itr_param, rx_itr_param;
809
810 /* don't accept Tx specific changes if we've got mixed RxTx vectors */
811 if (adapter->q_vector[0]->tx.count &&
812 adapter->q_vector[0]->rx.count && ec->tx_coalesce_usecs)
813 return -EINVAL;
814
815 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
816 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
817 return -EINVAL;
818
819 if (ec->rx_coalesce_usecs > 1)
820 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
821 else
822 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
823
824 if (adapter->rx_itr_setting == 1)
825 rx_itr_param = IXGBE_20K_ITR;
826 else
827 rx_itr_param = adapter->rx_itr_setting;
828
829 if (ec->tx_coalesce_usecs > 1)
830 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
831 else
832 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
833
834 if (adapter->tx_itr_setting == 1)
835 tx_itr_param = IXGBE_12K_ITR;
836 else
837 tx_itr_param = adapter->tx_itr_setting;
838
839 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
840
841 for (i = 0; i < num_vectors; i++) {
842 q_vector = adapter->q_vector[i];
843 if (q_vector->tx.count && !q_vector->rx.count)
844 /* Tx only */
845 q_vector->itr = tx_itr_param;
846 else
847 /* Rx only or mixed */
848 q_vector->itr = rx_itr_param;
849 ixgbevf_write_eitr(q_vector);
850 }
851
852 return 0;
853}
854
855static int ixgbevf_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
856 u32 *rules __always_unused)
857{
858 struct ixgbevf_adapter *adapter = netdev_priv(dev);
859
860 switch (info->cmd) {
861 case ETHTOOL_GRXRINGS:
862 info->data = adapter->num_rx_queues;
863 return 0;
864 default:
865 hw_dbg(&adapter->hw, "Command parameters not supported\n");
866 return -EOPNOTSUPP;
867 }
868}
869
870static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev)
871{
872 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
873
874 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf)
875 return IXGBEVF_X550_VFRETA_SIZE;
876
877 return IXGBEVF_82599_RETA_SIZE;
878}
879
880static u32 ixgbevf_get_rxfh_key_size(struct net_device *netdev)
881{
882 return IXGBEVF_RSS_HASH_KEY_SIZE;
883}
884
885static int ixgbevf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
886 u8 *hfunc)
887{
888 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
889 int err = 0;
890
891 if (hfunc)
892 *hfunc = ETH_RSS_HASH_TOP;
893
894 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf) {
895 if (key)
896 memcpy(key, adapter->rss_key, sizeof(adapter->rss_key));
897
898 if (indir) {
899 int i;
900
901 for (i = 0; i < IXGBEVF_X550_VFRETA_SIZE; i++)
902 indir[i] = adapter->rss_indir_tbl[i];
903 }
904 } else {
905 /* If neither indirection table nor hash key was requested
906 * - just return a success avoiding taking any locks.
907 */
908 if (!indir && !key)
909 return 0;
910
911 spin_lock_bh(&adapter->mbx_lock);
912 if (indir)
913 err = ixgbevf_get_reta_locked(&adapter->hw, indir,
914 adapter->num_rx_queues);
915
916 if (!err && key)
917 err = ixgbevf_get_rss_key_locked(&adapter->hw, key);
918
919 spin_unlock_bh(&adapter->mbx_lock);
920 }
921
922 return err;
923}
924
925static const struct ethtool_ops ixgbevf_ethtool_ops = {
926 .get_settings = ixgbevf_get_settings,
927 .get_drvinfo = ixgbevf_get_drvinfo,
928 .get_regs_len = ixgbevf_get_regs_len,
929 .get_regs = ixgbevf_get_regs,
930 .nway_reset = ixgbevf_nway_reset,
931 .get_link = ethtool_op_get_link,
932 .get_ringparam = ixgbevf_get_ringparam,
933 .set_ringparam = ixgbevf_set_ringparam,
934 .get_msglevel = ixgbevf_get_msglevel,
935 .set_msglevel = ixgbevf_set_msglevel,
936 .self_test = ixgbevf_diag_test,
937 .get_sset_count = ixgbevf_get_sset_count,
938 .get_strings = ixgbevf_get_strings,
939 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
940 .get_coalesce = ixgbevf_get_coalesce,
941 .set_coalesce = ixgbevf_set_coalesce,
942 .get_rxnfc = ixgbevf_get_rxnfc,
943 .get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size,
944 .get_rxfh_key_size = ixgbevf_get_rxfh_key_size,
945 .get_rxfh = ixgbevf_get_rxfh,
946};
947
948void ixgbevf_set_ethtool_ops(struct net_device *netdev)
949{
950 netdev->ethtool_ops = &ixgbevf_ethtool_ops;
951}
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}