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Staging: strip: delete the driver
[linux/fpc-iii.git] / drivers / net / ixgbevf / ethtool.c
blob4680b069b84fe5d953841ecdf98717088ce21bb1
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
45 struct 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)
57 static 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
84 static 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
91 static 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 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
108 SPEED_10000 : SPEED_1000;
109 ecmd->duplex = DUPLEX_FULL;
110 } else {
111 ecmd->speed = -1;
112 ecmd->duplex = -1;
113 }
114
115 return 0;
116 }
117
118 static u32 ixgbevf_get_rx_csum(struct net_device *netdev)
119 {
120 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
121 return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED;
122 }
123
124 static int ixgbevf_set_rx_csum(struct net_device *netdev, u32 data)
125 {
126 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
127 if (data)
128 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
129 else
130 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
131
132 if (netif_running(netdev)) {
133 if (!adapter->dev_closed)
134 ixgbevf_reinit_locked(adapter);
135 } else {
136 ixgbevf_reset(adapter);
137 }
138
139 return 0;
140 }
141
142 static int ixgbevf_set_tso(struct net_device *netdev, u32 data)
143 {
144 if (data) {
145 netdev->features |= NETIF_F_TSO;
146 netdev->features |= NETIF_F_TSO6;
147 } else {
148 netif_tx_stop_all_queues(netdev);
149 netdev->features &= ~NETIF_F_TSO;
150 netdev->features &= ~NETIF_F_TSO6;
151 netif_tx_start_all_queues(netdev);
152 }
153 return 0;
154 }
155
156 static u32 ixgbevf_get_msglevel(struct net_device *netdev)
157 {
158 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
159 return adapter->msg_enable;
160 }
161
162 static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
163 {
164 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
165 adapter->msg_enable = data;
166 }
167
168 #define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
169
170 static char *ixgbevf_reg_names[] = {
171 "IXGBE_VFCTRL",
172 "IXGBE_VFSTATUS",
173 "IXGBE_VFLINKS",
174 "IXGBE_VFRXMEMWRAP",
175 "IXGBE_VFRTIMER",
176 "IXGBE_VTEICR",
177 "IXGBE_VTEICS",
178 "IXGBE_VTEIMS",
179 "IXGBE_VTEIMC",
180 "IXGBE_VTEIAC",
181 "IXGBE_VTEIAM",
182 "IXGBE_VTEITR",
183 "IXGBE_VTIVAR",
184 "IXGBE_VTIVAR_MISC",
185 "IXGBE_VFRDBAL0",
186 "IXGBE_VFRDBAL1",
187 "IXGBE_VFRDBAH0",
188 "IXGBE_VFRDBAH1",
189 "IXGBE_VFRDLEN0",
190 "IXGBE_VFRDLEN1",
191 "IXGBE_VFRDH0",
192 "IXGBE_VFRDH1",
193 "IXGBE_VFRDT0",
194 "IXGBE_VFRDT1",
195 "IXGBE_VFRXDCTL0",
196 "IXGBE_VFRXDCTL1",
197 "IXGBE_VFSRRCTL0",
198 "IXGBE_VFSRRCTL1",
199 "IXGBE_VFPSRTYPE",
200 "IXGBE_VFTDBAL0",
201 "IXGBE_VFTDBAL1",
202 "IXGBE_VFTDBAH0",
203 "IXGBE_VFTDBAH1",
204 "IXGBE_VFTDLEN0",
205 "IXGBE_VFTDLEN1",
206 "IXGBE_VFTDH0",
207 "IXGBE_VFTDH1",
208 "IXGBE_VFTDT0",
209 "IXGBE_VFTDT1",
210 "IXGBE_VFTXDCTL0",
211 "IXGBE_VFTXDCTL1",
212 "IXGBE_VFTDWBAL0",
213 "IXGBE_VFTDWBAL1",
214 "IXGBE_VFTDWBAH0",
215 "IXGBE_VFTDWBAH1"
216 };
217
218
219 static int ixgbevf_get_regs_len(struct net_device *netdev)
220 {
221 return (ARRAY_SIZE(ixgbevf_reg_names)) * sizeof(u32);
222 }
223
224 static void ixgbevf_get_regs(struct net_device *netdev,
225 struct ethtool_regs *regs,
226 void *p)
227 {
228 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
229 struct ixgbe_hw *hw = &adapter->hw;
230 u32 *regs_buff = p;
231 u32 regs_len = ixgbevf_get_regs_len(netdev);
232 u8 i;
233
234 memset(p, 0, regs_len);
235
236 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
237
238 /* General Registers */
239 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
240 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
241 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
242 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
243 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFRTIMER);
244
245 /* Interrupt */
246 /* don't read EICR because it can clear interrupt causes, instead
247 * read EICS which is a shadow but doesn't clear EICR */
248 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
249 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
250 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
251 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
252 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
253 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
254 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
255 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
256 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
257
258 /* Receive DMA */
259 for (i = 0; i < 2; i++)
260 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
261 for (i = 0; i < 2; i++)
262 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
263 for (i = 0; i < 2; i++)
264 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
265 for (i = 0; i < 2; i++)
266 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
267 for (i = 0; i < 2; i++)
268 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
269 for (i = 0; i < 2; i++)
270 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
271 for (i = 0; i < 2; i++)
272 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
273
274 /* Receive */
275 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
276
277 /* Transmit */
278 for (i = 0; i < 2; i++)
279 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
280 for (i = 0; i < 2; i++)
281 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
282 for (i = 0; i < 2; i++)
283 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
284 for (i = 0; i < 2; i++)
285 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
286 for (i = 0; i < 2; i++)
287 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
288 for (i = 0; i < 2; i++)
289 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
290 for (i = 0; i < 2; i++)
291 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
292 for (i = 0; i < 2; i++)
293 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
294
295 for (i = 0; i < ARRAY_SIZE(ixgbevf_reg_names); i++)
296 hw_dbg(hw, "%s\t%8.8x\n", ixgbevf_reg_names[i], regs_buff[i]);
297 }
298
299 static void ixgbevf_get_drvinfo(struct net_device *netdev,
300 struct ethtool_drvinfo *drvinfo)
301 {
302 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
303
304 strlcpy(drvinfo->driver, ixgbevf_driver_name, 32);
305 strlcpy(drvinfo->version, ixgbevf_driver_version, 32);
306
307 strlcpy(drvinfo->fw_version, "N/A", 4);
308 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
309 }
310
311 static void ixgbevf_get_ringparam(struct net_device *netdev,
312 struct ethtool_ringparam *ring)
313 {
314 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
315 struct ixgbevf_ring *tx_ring = adapter->tx_ring;
316 struct ixgbevf_ring *rx_ring = adapter->rx_ring;
317
318 ring->rx_max_pending = IXGBEVF_MAX_RXD;
319 ring->tx_max_pending = IXGBEVF_MAX_TXD;
320 ring->rx_mini_max_pending = 0;
321 ring->rx_jumbo_max_pending = 0;
322 ring->rx_pending = rx_ring->count;
323 ring->tx_pending = tx_ring->count;
324 ring->rx_mini_pending = 0;
325 ring->rx_jumbo_pending = 0;
326 }
327
328 static int ixgbevf_set_ringparam(struct net_device *netdev,
329 struct ethtool_ringparam *ring)
330 {
331 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
332 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
333 int i, err;
334 u32 new_rx_count, new_tx_count;
335 bool need_tx_update = false;
336 bool need_rx_update = false;
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 if (new_tx_count != adapter->tx_ring_count) {
359 tx_ring = kcalloc(adapter->num_tx_queues,
360 sizeof(struct ixgbevf_ring), GFP_KERNEL);
361 if (!tx_ring) {
362 err = -ENOMEM;
363 goto err_setup;
364 }
365 memcpy(tx_ring, adapter->tx_ring,
366 adapter->num_tx_queues * sizeof(struct ixgbevf_ring));
367 for (i = 0; i < adapter->num_tx_queues; i++) {
368 tx_ring[i].count = new_tx_count;
369 err = ixgbevf_setup_tx_resources(adapter,
370 &tx_ring[i]);
371 if (err) {
372 while (i) {
373 i--;
374 ixgbevf_free_tx_resources(adapter,
375 &tx_ring[i]);
376 }
377 kfree(tx_ring);
378 goto err_setup;
379 }
380 tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
381 }
382 need_tx_update = true;
383 }
384
385 if (new_rx_count != adapter->rx_ring_count) {
386 rx_ring = kcalloc(adapter->num_rx_queues,
387 sizeof(struct ixgbevf_ring), GFP_KERNEL);
388 if ((!rx_ring) && (need_tx_update)) {
389 err = -ENOMEM;
390 goto err_rx_setup;
391 }
392 memcpy(rx_ring, adapter->rx_ring,
393 adapter->num_rx_queues * sizeof(struct ixgbevf_ring));
394 for (i = 0; i < adapter->num_rx_queues; i++) {
395 rx_ring[i].count = new_rx_count;
396 err = ixgbevf_setup_rx_resources(adapter,
397 &rx_ring[i]);
398 if (err) {
399 while (i) {
400 i--;
401 ixgbevf_free_rx_resources(adapter,
402 &rx_ring[i]);
403 }
404 kfree(rx_ring);
405 goto err_rx_setup;
406 }
407 rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
408 }
409 need_rx_update = true;
410 }
411
412 err_rx_setup:
413 /* if rings need to be updated, here's the place to do it in one shot */
414 if (need_tx_update || need_rx_update) {
415 if (netif_running(netdev))
416 ixgbevf_down(adapter);
417 }
418
419 /* tx */
420 if (need_tx_update) {
421 kfree(adapter->tx_ring);
422 adapter->tx_ring = tx_ring;
423 tx_ring = NULL;
424 adapter->tx_ring_count = new_tx_count;
425 }
426
427 /* rx */
428 if (need_rx_update) {
429 kfree(adapter->rx_ring);
430 adapter->rx_ring = rx_ring;
431 rx_ring = NULL;
432 adapter->rx_ring_count = new_rx_count;
433 }
434
435 /* success! */
436 err = 0;
437 if (netif_running(netdev))
438 ixgbevf_up(adapter);
439
440 err_setup:
441 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
442 return err;
443 }
444
445 static int ixgbevf_get_sset_count(struct net_device *dev, int stringset)
446 {
447 switch (stringset) {
448 case ETH_SS_TEST:
449 return IXGBE_TEST_LEN;
450 case ETH_SS_STATS:
451 return IXGBE_GLOBAL_STATS_LEN;
452 default:
453 return -EINVAL;
454 }
455 }
456
457 static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
458 struct ethtool_stats *stats, u64 *data)
459 {
460 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
461 int i;
462
463 ixgbevf_update_stats(adapter);
464 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
465 char *p = (char *)adapter +
466 ixgbe_gstrings_stats[i].stat_offset;
467 char *b = (char *)adapter +
468 ixgbe_gstrings_stats[i].base_stat_offset;
469 char *r = (char *)adapter +
470 ixgbe_gstrings_stats[i].saved_reset_offset;
471 data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat ==
472 sizeof(u64)) ? *(u64 *)p : *(u32 *)p) -
473 ((ixgbe_gstrings_stats[i].sizeof_stat ==
474 sizeof(u64)) ? *(u64 *)b : *(u32 *)b) +
475 ((ixgbe_gstrings_stats[i].sizeof_stat ==
476 sizeof(u64)) ? *(u64 *)r : *(u32 *)r);
477 }
478 }
479
480 static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
481 u8 *data)
482 {
483 char *p = (char *)data;
484 int i;
485
486 switch (stringset) {
487 case ETH_SS_TEST:
488 memcpy(data, *ixgbe_gstrings_test,
489 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
490 break;
491 case ETH_SS_STATS:
492 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
493 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
494 ETH_GSTRING_LEN);
495 p += ETH_GSTRING_LEN;
496 }
497 break;
498 }
499 }
500
501 static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
502 {
503 struct ixgbe_hw *hw = &adapter->hw;
504 bool link_up;
505 u32 link_speed = 0;
506 *data = 0;
507
508 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
509 if (!link_up)
510 *data = 1;
511
512 return *data;
513 }
514
515 /* ethtool register test data */
516 struct ixgbevf_reg_test {
517 u16 reg;
518 u8 array_len;
519 u8 test_type;
520 u32 mask;
521 u32 write;
522 };
523
524 /* In the hardware, registers are laid out either singly, in arrays
525 * spaced 0x40 bytes apart, or in contiguous tables. We assume
526 * most tests take place on arrays or single registers (handled
527 * as a single-element array) and special-case the tables.
528 * Table tests are always pattern tests.
529 *
530 * We also make provision for some required setup steps by specifying
531 * registers to be written without any read-back testing.
532 */
533
534 #define PATTERN_TEST 1
535 #define SET_READ_TEST 2
536 #define WRITE_NO_TEST 3
537 #define TABLE32_TEST 4
538 #define TABLE64_TEST_LO 5
539 #define TABLE64_TEST_HI 6
540
541 /* default VF register test */
542 static struct ixgbevf_reg_test reg_test_vf[] = {
543 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
544 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
545 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
546 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
547 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
548 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
549 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
550 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
551 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
552 { 0, 0, 0, 0 }
553 };
554
555 #define REG_PATTERN_TEST(R, M, W) \
556 { \
557 u32 pat, val, before; \
558 const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
559 for (pat = 0; pat < ARRAY_SIZE(_test); pat++) { \
560 before = readl(adapter->hw.hw_addr + R); \
561 writel((_test[pat] & W), (adapter->hw.hw_addr + R)); \
562 val = readl(adapter->hw.hw_addr + R); \
563 if (val != (_test[pat] & W & M)) { \
564 hw_dbg(&adapter->hw, \
565 "pattern test reg %04X failed: got " \
566 "0x%08X expected 0x%08X\n", \
567 R, val, (_test[pat] & W & M)); \
568 *data = R; \
569 writel(before, adapter->hw.hw_addr + R); \
570 return 1; \
571 } \
572 writel(before, adapter->hw.hw_addr + R); \
573 } \
574 }
575
576 #define REG_SET_AND_CHECK(R, M, W) \
577 { \
578 u32 val, before; \
579 before = readl(adapter->hw.hw_addr + R); \
580 writel((W & M), (adapter->hw.hw_addr + R)); \
581 val = readl(adapter->hw.hw_addr + R); \
582 if ((W & M) != (val & M)) { \
583 printk(KERN_ERR "set/check reg %04X test failed: got 0x%08X " \
584 "expected 0x%08X\n", R, (val & M), (W & M)); \
585 *data = R; \
586 writel(before, (adapter->hw.hw_addr + R)); \
587 return 1; \
588 } \
589 writel(before, (adapter->hw.hw_addr + R)); \
590 }
591
592 static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
593 {
594 struct ixgbevf_reg_test *test;
595 u32 i;
596
597 test = reg_test_vf;
598
599 /*
600 * Perform the register test, looping through the test table
601 * until we either fail or reach the null entry.
602 */
603 while (test->reg) {
604 for (i = 0; i < test->array_len; i++) {
605 switch (test->test_type) {
606 case PATTERN_TEST:
607 REG_PATTERN_TEST(test->reg + (i * 0x40),
608 test->mask,
609 test->write);
610 break;
611 case SET_READ_TEST:
612 REG_SET_AND_CHECK(test->reg + (i * 0x40),
613 test->mask,
614 test->write);
615 break;
616 case WRITE_NO_TEST:
617 writel(test->write,
618 (adapter->hw.hw_addr + test->reg)
619 + (i * 0x40));
620 break;
621 case TABLE32_TEST:
622 REG_PATTERN_TEST(test->reg + (i * 4),
623 test->mask,
624 test->write);
625 break;
626 case TABLE64_TEST_LO:
627 REG_PATTERN_TEST(test->reg + (i * 8),
628 test->mask,
629 test->write);
630 break;
631 case TABLE64_TEST_HI:
632 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
633 test->mask,
634 test->write);
635 break;
636 }
637 }
638 test++;
639 }
640
641 *data = 0;
642 return *data;
643 }
644
645 static void ixgbevf_diag_test(struct net_device *netdev,
646 struct ethtool_test *eth_test, u64 *data)
647 {
648 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
649 bool if_running = netif_running(netdev);
650
651 set_bit(__IXGBEVF_TESTING, &adapter->state);
652 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
653 /* Offline tests */
654
655 hw_dbg(&adapter->hw, "offline testing starting\n");
656
657 /* Link test performed before hardware reset so autoneg doesn't
658 * interfere with test result */
659 if (ixgbevf_link_test(adapter, &data[1]))
660 eth_test->flags |= ETH_TEST_FL_FAILED;
661
662 if (if_running)
663 /* indicate we're in test mode */
664 dev_close(netdev);
665 else
666 ixgbevf_reset(adapter);
667
668 hw_dbg(&adapter->hw, "register testing starting\n");
669 if (ixgbevf_reg_test(adapter, &data[0]))
670 eth_test->flags |= ETH_TEST_FL_FAILED;
671
672 ixgbevf_reset(adapter);
673
674 clear_bit(__IXGBEVF_TESTING, &adapter->state);
675 if (if_running)
676 dev_open(netdev);
677 } else {
678 hw_dbg(&adapter->hw, "online testing starting\n");
679 /* Online tests */
680 if (ixgbevf_link_test(adapter, &data[1]))
681 eth_test->flags |= ETH_TEST_FL_FAILED;
682
683 /* Online tests aren't run; pass by default */
684 data[0] = 0;
685
686 clear_bit(__IXGBEVF_TESTING, &adapter->state);
687 }
688 msleep_interruptible(4 * 1000);
689 }
690
691 static int ixgbevf_nway_reset(struct net_device *netdev)
692 {
693 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
694
695 if (netif_running(netdev)) {
696 if (!adapter->dev_closed)
697 ixgbevf_reinit_locked(adapter);
698 }
699
700 return 0;
701 }
702
703 static struct ethtool_ops ixgbevf_ethtool_ops = {
704 .get_settings = ixgbevf_get_settings,
705 .get_drvinfo = ixgbevf_get_drvinfo,
706 .get_regs_len = ixgbevf_get_regs_len,
707 .get_regs = ixgbevf_get_regs,
708 .nway_reset = ixgbevf_nway_reset,
709 .get_link = ethtool_op_get_link,
710 .get_ringparam = ixgbevf_get_ringparam,
711 .set_ringparam = ixgbevf_set_ringparam,
712 .get_rx_csum = ixgbevf_get_rx_csum,
713 .set_rx_csum = ixgbevf_set_rx_csum,
714 .get_tx_csum = ethtool_op_get_tx_csum,
715 .set_tx_csum = ethtool_op_set_tx_ipv6_csum,
716 .get_sg = ethtool_op_get_sg,
717 .set_sg = ethtool_op_set_sg,
718 .get_msglevel = ixgbevf_get_msglevel,
719 .set_msglevel = ixgbevf_set_msglevel,
720 .get_tso = ethtool_op_get_tso,
721 .set_tso = ixgbevf_set_tso,
722 .self_test = ixgbevf_diag_test,
723 .get_sset_count = ixgbevf_get_sset_count,
724 .get_strings = ixgbevf_get_strings,
725 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
726 };
727
728 void ixgbevf_set_ethtool_ops(struct net_device *netdev)
729 {
730 SET_ETHTOOL_OPS(netdev, &ixgbevf_ethtool_ops);
731 }
Linux with added FPC-III support