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1/*******************************************************************************
2
3 Intel 82599 Virtual Function driver
4 Copyright(c) 1999 - 2009 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, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26*******************************************************************************/
27
28/* ethtool support for ixgbevf */
29
30#include <linux/types.h>
31#include <linux/module.h>
32#include <linux/slab.h>
33#include <linux/pci.h>
34#include <linux/netdevice.h>
35#include <linux/ethtool.h>
36#include <linux/vmalloc.h>
37#include <linux/if_vlan.h>
38#include <linux/uaccess.h>
39
40#include "ixgbevf.h"
41
42#define IXGBE_ALL_RAR_ENTRIES 16
43
44#ifdef ETHTOOL_GSTATS
45struct ixgbe_stats {
46 char stat_string[ETH_GSTRING_LEN];
47 int sizeof_stat;
48 int stat_offset;
49 int base_stat_offset;
50 int saved_reset_offset;
51};
52
53#define IXGBEVF_STAT(m, b, r) sizeof(((struct ixgbevf_adapter *)0)->m), \
54 offsetof(struct ixgbevf_adapter, m), \
55 offsetof(struct ixgbevf_adapter, b), \
56 offsetof(struct ixgbevf_adapter, r)
57static struct ixgbe_stats ixgbe_gstrings_stats[] = {
58 {"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc,
59 stats.saved_reset_vfgprc)},
60 {"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc,
61 stats.saved_reset_vfgptc)},
62 {"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc,
63 stats.saved_reset_vfgorc)},
64 {"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc,
65 stats.saved_reset_vfgotc)},
66 {"tx_busy", IXGBEVF_STAT(tx_busy, zero_base, zero_base)},
67 {"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc,
68 stats.saved_reset_vfmprc)},
69 {"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base,
70 zero_base)},
71 {"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base,
72 zero_base)},
73 {"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base,
74 zero_base)},
75 {"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base, zero_base)},
76};
77
78#define IXGBE_QUEUE_STATS_LEN 0
79#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
80
81#define IXGBEVF_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN)
82#endif /* ETHTOOL_GSTATS */
83#ifdef ETHTOOL_TEST
84static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
85 "Register test (offline)",
86 "Link test (on/offline)"
87};
88#define IXGBE_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
89#endif /* ETHTOOL_TEST */
90
91static int ixgbevf_get_settings(struct net_device *netdev,
92 struct ethtool_cmd *ecmd)
93{
94 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
95 struct ixgbe_hw *hw = &adapter->hw;
96 u32 link_speed = 0;
97 bool link_up;
98
99 ecmd->supported = SUPPORTED_10000baseT_Full;
100 ecmd->autoneg = AUTONEG_DISABLE;
101 ecmd->transceiver = XCVR_DUMMY1;
102 ecmd->port = -1;
103
104 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
105
106 if (link_up) {
107 ethtool_cmd_speed_set(
108 ecmd,
109 (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
110 SPEED_10000 : SPEED_1000);
111 ecmd->duplex = DUPLEX_FULL;
112 } else {
113 ethtool_cmd_speed_set(ecmd, -1);
114 ecmd->duplex = -1;
115 }
116
117 return 0;
118}
119
120static u32 ixgbevf_get_rx_csum(struct net_device *netdev)
121{
122 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
123 return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED;
124}
125
126static int ixgbevf_set_rx_csum(struct net_device *netdev, u32 data)
127{
128 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
129 if (data)
130 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
131 else
132 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
133
134 if (netif_running(netdev)) {
135 if (!adapter->dev_closed)
136 ixgbevf_reinit_locked(adapter);
137 } else {
138 ixgbevf_reset(adapter);
139 }
140
141 return 0;
142}
143
144static int ixgbevf_set_tso(struct net_device *netdev, u32 data)
145{
146 if (data) {
147 netdev->features |= NETIF_F_TSO;
148 netdev->features |= NETIF_F_TSO6;
149 } else {
150 netif_tx_stop_all_queues(netdev);
151 netdev->features &= ~NETIF_F_TSO;
152 netdev->features &= ~NETIF_F_TSO6;
153 netif_tx_start_all_queues(netdev);
154 }
155 return 0;
156}
157
158static u32 ixgbevf_get_msglevel(struct net_device *netdev)
159{
160 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
161 return adapter->msg_enable;
162}
163
164static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
165{
166 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
167 adapter->msg_enable = data;
168}
169
170#define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
171
172static char *ixgbevf_reg_names[] = {
173 "IXGBE_VFCTRL",
174 "IXGBE_VFSTATUS",
175 "IXGBE_VFLINKS",
176 "IXGBE_VFRXMEMWRAP",
177 "IXGBE_VFFRTIMER",
178 "IXGBE_VTEICR",
179 "IXGBE_VTEICS",
180 "IXGBE_VTEIMS",
181 "IXGBE_VTEIMC",
182 "IXGBE_VTEIAC",
183 "IXGBE_VTEIAM",
184 "IXGBE_VTEITR",
185 "IXGBE_VTIVAR",
186 "IXGBE_VTIVAR_MISC",
187 "IXGBE_VFRDBAL0",
188 "IXGBE_VFRDBAL1",
189 "IXGBE_VFRDBAH0",
190 "IXGBE_VFRDBAH1",
191 "IXGBE_VFRDLEN0",
192 "IXGBE_VFRDLEN1",
193 "IXGBE_VFRDH0",
194 "IXGBE_VFRDH1",
195 "IXGBE_VFRDT0",
196 "IXGBE_VFRDT1",
197 "IXGBE_VFRXDCTL0",
198 "IXGBE_VFRXDCTL1",
199 "IXGBE_VFSRRCTL0",
200 "IXGBE_VFSRRCTL1",
201 "IXGBE_VFPSRTYPE",
202 "IXGBE_VFTDBAL0",
203 "IXGBE_VFTDBAL1",
204 "IXGBE_VFTDBAH0",
205 "IXGBE_VFTDBAH1",
206 "IXGBE_VFTDLEN0",
207 "IXGBE_VFTDLEN1",
208 "IXGBE_VFTDH0",
209 "IXGBE_VFTDH1",
210 "IXGBE_VFTDT0",
211 "IXGBE_VFTDT1",
212 "IXGBE_VFTXDCTL0",
213 "IXGBE_VFTXDCTL1",
214 "IXGBE_VFTDWBAL0",
215 "IXGBE_VFTDWBAL1",
216 "IXGBE_VFTDWBAH0",
217 "IXGBE_VFTDWBAH1"
218};
219
220
221static int ixgbevf_get_regs_len(struct net_device *netdev)
222{
223 return (ARRAY_SIZE(ixgbevf_reg_names)) * sizeof(u32);
224}
225
226static void ixgbevf_get_regs(struct net_device *netdev,
227 struct ethtool_regs *regs,
228 void *p)
229{
230 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
231 struct ixgbe_hw *hw = &adapter->hw;
232 u32 *regs_buff = p;
233 u32 regs_len = ixgbevf_get_regs_len(netdev);
234 u8 i;
235
236 memset(p, 0, regs_len);
237
238 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
239
240 /* General Registers */
241 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
242 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
243 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
244 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
245 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER);
246
247 /* Interrupt */
248 /* don't read EICR because it can clear interrupt causes, instead
249 * read EICS which is a shadow but doesn't clear EICR */
250 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
251 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
252 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
253 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
254 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
255 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
256 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
257 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
258 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
259
260 /* Receive DMA */
261 for (i = 0; i < 2; i++)
262 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
263 for (i = 0; i < 2; i++)
264 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
265 for (i = 0; i < 2; i++)
266 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
267 for (i = 0; i < 2; i++)
268 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
269 for (i = 0; i < 2; i++)
270 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
271 for (i = 0; i < 2; i++)
272 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
273 for (i = 0; i < 2; i++)
274 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
275
276 /* Receive */
277 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
278
279 /* Transmit */
280 for (i = 0; i < 2; i++)
281 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
282 for (i = 0; i < 2; i++)
283 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
284 for (i = 0; i < 2; i++)
285 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
286 for (i = 0; i < 2; i++)
287 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
288 for (i = 0; i < 2; i++)
289 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
290 for (i = 0; i < 2; i++)
291 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
292 for (i = 0; i < 2; i++)
293 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
294 for (i = 0; i < 2; i++)
295 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
296
297 for (i = 0; i < ARRAY_SIZE(ixgbevf_reg_names); i++)
298 hw_dbg(hw, "%s\t%8.8x\n", ixgbevf_reg_names[i], regs_buff[i]);
299}
300
301static void ixgbevf_get_drvinfo(struct net_device *netdev,
302 struct ethtool_drvinfo *drvinfo)
303{
304 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
305
306 strlcpy(drvinfo->driver, ixgbevf_driver_name, 32);
307 strlcpy(drvinfo->version, ixgbevf_driver_version, 32);
308
309 strlcpy(drvinfo->fw_version, "N/A", 4);
310 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
311}
312
313static void ixgbevf_get_ringparam(struct net_device *netdev,
314 struct ethtool_ringparam *ring)
315{
316 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
317 struct ixgbevf_ring *tx_ring = adapter->tx_ring;
318 struct ixgbevf_ring *rx_ring = adapter->rx_ring;
319
320 ring->rx_max_pending = IXGBEVF_MAX_RXD;
321 ring->tx_max_pending = IXGBEVF_MAX_TXD;
322 ring->rx_mini_max_pending = 0;
323 ring->rx_jumbo_max_pending = 0;
324 ring->rx_pending = rx_ring->count;
325 ring->tx_pending = tx_ring->count;
326 ring->rx_mini_pending = 0;
327 ring->rx_jumbo_pending = 0;
328}
329
330static int ixgbevf_set_ringparam(struct net_device *netdev,
331 struct ethtool_ringparam *ring)
332{
333 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
334 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
335 int i, err = 0;
336 u32 new_rx_count, new_tx_count;
337
338 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
339 return -EINVAL;
340
341 new_rx_count = max(ring->rx_pending, (u32)IXGBEVF_MIN_RXD);
342 new_rx_count = min(new_rx_count, (u32)IXGBEVF_MAX_RXD);
343 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
344
345 new_tx_count = max(ring->tx_pending, (u32)IXGBEVF_MIN_TXD);
346 new_tx_count = min(new_tx_count, (u32)IXGBEVF_MAX_TXD);
347 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
348
349 if ((new_tx_count == adapter->tx_ring->count) &&
350 (new_rx_count == adapter->rx_ring->count)) {
351 /* nothing to do */
352 return 0;
353 }
354
355 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
356 msleep(1);
357
358 /*
359 * If the adapter isn't up and running then just set the
360 * new parameters and scurry for the exits.
361 */
362 if (!netif_running(adapter->netdev)) {
363 for (i = 0; i < adapter->num_tx_queues; i++)
364 adapter->tx_ring[i].count = new_tx_count;
365 for (i = 0; i < adapter->num_rx_queues; i++)
366 adapter->rx_ring[i].count = new_rx_count;
367 adapter->tx_ring_count = new_tx_count;
368 adapter->rx_ring_count = new_rx_count;
369 goto clear_reset;
370 }
371
372 tx_ring = kcalloc(adapter->num_tx_queues,
373 sizeof(struct ixgbevf_ring), GFP_KERNEL);
374 if (!tx_ring) {
375 err = -ENOMEM;
376 goto clear_reset;
377 }
378
379 rx_ring = kcalloc(adapter->num_rx_queues,
380 sizeof(struct ixgbevf_ring), GFP_KERNEL);
381 if (!rx_ring) {
382 err = -ENOMEM;
383 goto err_rx_setup;
384 }
385
386 ixgbevf_down(adapter);
387
388 memcpy(tx_ring, adapter->tx_ring,
389 adapter->num_tx_queues * sizeof(struct ixgbevf_ring));
390 for (i = 0; i < adapter->num_tx_queues; i++) {
391 tx_ring[i].count = new_tx_count;
392 err = ixgbevf_setup_tx_resources(adapter, &tx_ring[i]);
393 if (err) {
394 while (i) {
395 i--;
396 ixgbevf_free_tx_resources(adapter,
397 &tx_ring[i]);
398 }
399 goto err_tx_ring_setup;
400 }
401 tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
402 }
403
404 memcpy(rx_ring, adapter->rx_ring,
405 adapter->num_rx_queues * sizeof(struct ixgbevf_ring));
406 for (i = 0; i < adapter->num_rx_queues; i++) {
407 rx_ring[i].count = new_rx_count;
408 err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]);
409 if (err) {
410 while (i) {
411 i--;
412 ixgbevf_free_rx_resources(adapter,
413 &rx_ring[i]);
414 }
415 goto err_rx_ring_setup;
416 }
417 rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
418 }
419
420 /*
421 * Only switch to new rings if all the prior allocations
422 * and ring setups have succeeded.
423 */
424 kfree(adapter->tx_ring);
425 adapter->tx_ring = tx_ring;
426 adapter->tx_ring_count = new_tx_count;
427
428 kfree(adapter->rx_ring);
429 adapter->rx_ring = rx_ring;
430 adapter->rx_ring_count = new_rx_count;
431
432 /* success! */
433 ixgbevf_up(adapter);
434
435 goto clear_reset;
436
437err_rx_ring_setup:
438 for(i = 0; i < adapter->num_tx_queues; i++)
439 ixgbevf_free_tx_resources(adapter, &tx_ring[i]);
440
441err_tx_ring_setup:
442 kfree(rx_ring);
443
444err_rx_setup:
445 kfree(tx_ring);
446
447clear_reset:
448 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
449 return err;
450}
451
452static int ixgbevf_get_sset_count(struct net_device *dev, int stringset)
453{
454 switch (stringset) {
455 case ETH_SS_TEST:
456 return IXGBE_TEST_LEN;
457 case ETH_SS_STATS:
458 return IXGBE_GLOBAL_STATS_LEN;
459 default:
460 return -EINVAL;
461 }
462}
463
464static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
465 struct ethtool_stats *stats, u64 *data)
466{
467 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
468 int i;
469
470 ixgbevf_update_stats(adapter);
471 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
472 char *p = (char *)adapter +
473 ixgbe_gstrings_stats[i].stat_offset;
474 char *b = (char *)adapter +
475 ixgbe_gstrings_stats[i].base_stat_offset;
476 char *r = (char *)adapter +
477 ixgbe_gstrings_stats[i].saved_reset_offset;
478 data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat ==
479 sizeof(u64)) ? *(u64 *)p : *(u32 *)p) -
480 ((ixgbe_gstrings_stats[i].sizeof_stat ==
481 sizeof(u64)) ? *(u64 *)b : *(u32 *)b) +
482 ((ixgbe_gstrings_stats[i].sizeof_stat ==
483 sizeof(u64)) ? *(u64 *)r : *(u32 *)r);
484 }
485}
486
487static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
488 u8 *data)
489{
490 char *p = (char *)data;
491 int i;
492
493 switch (stringset) {
494 case ETH_SS_TEST:
495 memcpy(data, *ixgbe_gstrings_test,
496 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
497 break;
498 case ETH_SS_STATS:
499 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
500 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
501 ETH_GSTRING_LEN);
502 p += ETH_GSTRING_LEN;
503 }
504 break;
505 }
506}
507
508static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
509{
510 struct ixgbe_hw *hw = &adapter->hw;
511 bool link_up;
512 u32 link_speed = 0;
513 *data = 0;
514
515 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
516 if (!link_up)
517 *data = 1;
518
519 return *data;
520}
521
522/* ethtool register test data */
523struct ixgbevf_reg_test {
524 u16 reg;
525 u8 array_len;
526 u8 test_type;
527 u32 mask;
528 u32 write;
529};
530
531/* In the hardware, registers are laid out either singly, in arrays
532 * spaced 0x40 bytes apart, or in contiguous tables. We assume
533 * most tests take place on arrays or single registers (handled
534 * as a single-element array) and special-case the tables.
535 * Table tests are always pattern tests.
536 *
537 * We also make provision for some required setup steps by specifying
538 * registers to be written without any read-back testing.
539 */
540
541#define PATTERN_TEST 1
542#define SET_READ_TEST 2
543#define WRITE_NO_TEST 3
544#define TABLE32_TEST 4
545#define TABLE64_TEST_LO 5
546#define TABLE64_TEST_HI 6
547
548/* default VF register test */
549static const struct ixgbevf_reg_test reg_test_vf[] = {
550 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
551 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
552 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
553 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
554 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
555 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
556 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
557 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
558 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
559 { 0, 0, 0, 0 }
560};
561
562static const u32 register_test_patterns[] = {
563 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
564};
565
566#define REG_PATTERN_TEST(R, M, W) \
567{ \
568 u32 pat, val, before; \
569 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \
570 before = readl(adapter->hw.hw_addr + R); \
571 writel((register_test_patterns[pat] & W), \
572 (adapter->hw.hw_addr + R)); \
573 val = readl(adapter->hw.hw_addr + R); \
574 if (val != (register_test_patterns[pat] & W & M)) { \
575 hw_dbg(&adapter->hw, \
576 "pattern test reg %04X failed: got " \
577 "0x%08X expected 0x%08X\n", \
578 R, val, (register_test_patterns[pat] & W & M)); \
579 *data = R; \
580 writel(before, adapter->hw.hw_addr + R); \
581 return 1; \
582 } \
583 writel(before, adapter->hw.hw_addr + R); \
584 } \
585}
586
587#define REG_SET_AND_CHECK(R, M, W) \
588{ \
589 u32 val, before; \
590 before = readl(adapter->hw.hw_addr + R); \
591 writel((W & M), (adapter->hw.hw_addr + R)); \
592 val = readl(adapter->hw.hw_addr + R); \
593 if ((W & M) != (val & M)) { \
594 printk(KERN_ERR "set/check reg %04X test failed: got 0x%08X " \
595 "expected 0x%08X\n", R, (val & M), (W & M)); \
596 *data = R; \
597 writel(before, (adapter->hw.hw_addr + R)); \
598 return 1; \
599 } \
600 writel(before, (adapter->hw.hw_addr + R)); \
601}
602
603static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
604{
605 const struct ixgbevf_reg_test *test;
606 u32 i;
607
608 test = reg_test_vf;
609
610 /*
611 * Perform the register test, looping through the test table
612 * until we either fail or reach the null entry.
613 */
614 while (test->reg) {
615 for (i = 0; i < test->array_len; i++) {
616 switch (test->test_type) {
617 case PATTERN_TEST:
618 REG_PATTERN_TEST(test->reg + (i * 0x40),
619 test->mask,
620 test->write);
621 break;
622 case SET_READ_TEST:
623 REG_SET_AND_CHECK(test->reg + (i * 0x40),
624 test->mask,
625 test->write);
626 break;
627 case WRITE_NO_TEST:
628 writel(test->write,
629 (adapter->hw.hw_addr + test->reg)
630 + (i * 0x40));
631 break;
632 case TABLE32_TEST:
633 REG_PATTERN_TEST(test->reg + (i * 4),
634 test->mask,
635 test->write);
636 break;
637 case TABLE64_TEST_LO:
638 REG_PATTERN_TEST(test->reg + (i * 8),
639 test->mask,
640 test->write);
641 break;
642 case TABLE64_TEST_HI:
643 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
644 test->mask,
645 test->write);
646 break;
647 }
648 }
649 test++;
650 }
651
652 *data = 0;
653 return *data;
654}
655
656static void ixgbevf_diag_test(struct net_device *netdev,
657 struct ethtool_test *eth_test, u64 *data)
658{
659 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
660 bool if_running = netif_running(netdev);
661
662 set_bit(__IXGBEVF_TESTING, &adapter->state);
663 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
664 /* Offline tests */
665
666 hw_dbg(&adapter->hw, "offline testing starting\n");
667
668 /* Link test performed before hardware reset so autoneg doesn't
669 * interfere with test result */
670 if (ixgbevf_link_test(adapter, &data[1]))
671 eth_test->flags |= ETH_TEST_FL_FAILED;
672
673 if (if_running)
674 /* indicate we're in test mode */
675 dev_close(netdev);
676 else
677 ixgbevf_reset(adapter);
678
679 hw_dbg(&adapter->hw, "register testing starting\n");
680 if (ixgbevf_reg_test(adapter, &data[0]))
681 eth_test->flags |= ETH_TEST_FL_FAILED;
682
683 ixgbevf_reset(adapter);
684
685 clear_bit(__IXGBEVF_TESTING, &adapter->state);
686 if (if_running)
687 dev_open(netdev);
688 } else {
689 hw_dbg(&adapter->hw, "online testing starting\n");
690 /* Online tests */
691 if (ixgbevf_link_test(adapter, &data[1]))
692 eth_test->flags |= ETH_TEST_FL_FAILED;
693
694 /* Online tests aren't run; pass by default */
695 data[0] = 0;
696
697 clear_bit(__IXGBEVF_TESTING, &adapter->state);
698 }
699 msleep_interruptible(4 * 1000);
700}
701
702static int ixgbevf_nway_reset(struct net_device *netdev)
703{
704 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
705
706 if (netif_running(netdev)) {
707 if (!adapter->dev_closed)
708 ixgbevf_reinit_locked(adapter);
709 }
710
711 return 0;
712}
713
714static struct ethtool_ops ixgbevf_ethtool_ops = {
715 .get_settings = ixgbevf_get_settings,
716 .get_drvinfo = ixgbevf_get_drvinfo,
717 .get_regs_len = ixgbevf_get_regs_len,
718 .get_regs = ixgbevf_get_regs,
719 .nway_reset = ixgbevf_nway_reset,
720 .get_link = ethtool_op_get_link,
721 .get_ringparam = ixgbevf_get_ringparam,
722 .set_ringparam = ixgbevf_set_ringparam,
723 .get_rx_csum = ixgbevf_get_rx_csum,
724 .set_rx_csum = ixgbevf_set_rx_csum,
725 .get_tx_csum = ethtool_op_get_tx_csum,
726 .set_tx_csum = ethtool_op_set_tx_ipv6_csum,
727 .get_sg = ethtool_op_get_sg,
728 .set_sg = ethtool_op_set_sg,
729 .get_msglevel = ixgbevf_get_msglevel,
730 .set_msglevel = ixgbevf_set_msglevel,
731 .get_tso = ethtool_op_get_tso,
732 .set_tso = ixgbevf_set_tso,
733 .self_test = ixgbevf_diag_test,
734 .get_sset_count = ixgbevf_get_sset_count,
735 .get_strings = ixgbevf_get_strings,
736 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
737};
738
739void ixgbevf_set_ethtool_ops(struct net_device *netdev)
740{
741 SET_ETHTOOL_OPS(netdev, &ixgbevf_ethtool_ops);
742}