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Merge tag 'for-linus-3.11-merge-window-part-1' of git://git.kernel.org/pub/scm/linux...
[deliverable/linux.git] / drivers / net / ethernet / intel / ixgbevf / ethtool.c
CommitLineData
92915f71
GR		 1/*******************************************************************************
2
3 Intel 82599 Virtual Function driver
5c47a2b6 4 Copyright(c) 1999 - 2012 Intel Corporation.
92915f71
GR		 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
dbd9636e
JK		 30#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
31
92915f71
GR		 32#include <linux/types.h>
33#include <linux/module.h>
5a0e3ad6 34#include <linux/slab.h>
92915f71
GR		 35#include <linux/pci.h>
36#include <linux/netdevice.h>
37#include <linux/ethtool.h>
38#include <linux/vmalloc.h>
39#include <linux/if_vlan.h>
40#include <linux/uaccess.h>
41
42#include "ixgbevf.h"
43
44#define IXGBE_ALL_RAR_ENTRIES 16
45
92915f71
GR		 46struct ixgbe_stats {
47 char stat_string[ETH_GSTRING_LEN];
48 int sizeof_stat;
49 int stat_offset;
50 int base_stat_offset;
33bd9f60 51 int saved_reset_offset;
92915f71
GR		 52};
53
33bd9f60
GR		 54#define IXGBEVF_STAT(m, b, r) sizeof(((struct ixgbevf_adapter *)0)->m), \
55 offsetof(struct ixgbevf_adapter, m), \
56 offsetof(struct ixgbevf_adapter, b), \
57 offsetof(struct ixgbevf_adapter, r)
b47aca13
SH		 58
59static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
33bd9f60
GR		 60 {"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc,
61 stats.saved_reset_vfgprc)},
62 {"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc,
63 stats.saved_reset_vfgptc)},
64 {"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc,
65 stats.saved_reset_vfgorc)},
66 {"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc,
67 stats.saved_reset_vfgotc)},
68 {"tx_busy", IXGBEVF_STAT(tx_busy, zero_base, zero_base)},
69 {"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc,
70 stats.saved_reset_vfmprc)},
71 {"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base,
72 zero_base)},
73 {"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base,
74 zero_base)},
75 {"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base,
76 zero_base)},
92915f71
GR		 77};
78
79#define IXGBE_QUEUE_STATS_LEN 0
80#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
81
82#define IXGBEVF_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN)
92915f71
GR		 83static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
84 "Register test (offline)",
85 "Link test (on/offline)"
86};
87#define IXGBE_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
92915f71
GR		 88
89static int ixgbevf_get_settings(struct net_device *netdev,
90 struct ethtool_cmd *ecmd)
91{
92 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
93 struct ixgbe_hw *hw = &adapter->hw;
94 u32 link_speed = 0;
95 bool link_up;
96
97 ecmd->supported = SUPPORTED_10000baseT_Full;
98 ecmd->autoneg = AUTONEG_DISABLE;
99 ecmd->transceiver = XCVR_DUMMY1;
100 ecmd->port = -1;
101
aa19c295 102 hw->mac.get_link_status = 1;
92915f71
GR		 103 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
104
105 if (link_up) {
31a1b375
GR		 106 __u32 speed = SPEED_10000;
107 switch (link_speed) {
108 case IXGBE_LINK_SPEED_10GB_FULL:
109 speed = SPEED_10000;
110 break;
111 case IXGBE_LINK_SPEED_1GB_FULL:
112 speed = SPEED_1000;
113 break;
114 case IXGBE_LINK_SPEED_100_FULL:
115 speed = SPEED_100;
116 break;
117 }
118
119 ethtool_cmd_speed_set(ecmd, speed);
92915f71
GR		 120 ecmd->duplex = DUPLEX_FULL;
121 } else {
70739497 122 ethtool_cmd_speed_set(ecmd, -1);
92915f71
GR		 123 ecmd->duplex = -1;
124 }
125
126 return 0;
127}
128
92915f71
GR		 129static u32 ixgbevf_get_msglevel(struct net_device *netdev)
130{
131 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
132 return adapter->msg_enable;
133}
134
135static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
136{
137 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
138 adapter->msg_enable = data;
139}
140
141#define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
142
143static char *ixgbevf_reg_names[] = {
144 "IXGBE_VFCTRL",
145 "IXGBE_VFSTATUS",
146 "IXGBE_VFLINKS",
147 "IXGBE_VFRXMEMWRAP",
6fb456a0 148 "IXGBE_VFFRTIMER",
92915f71
GR		 149 "IXGBE_VTEICR",
150 "IXGBE_VTEICS",
151 "IXGBE_VTEIMS",
152 "IXGBE_VTEIMC",
153 "IXGBE_VTEIAC",
154 "IXGBE_VTEIAM",
155 "IXGBE_VTEITR",
156 "IXGBE_VTIVAR",
157 "IXGBE_VTIVAR_MISC",
158 "IXGBE_VFRDBAL0",
159 "IXGBE_VFRDBAL1",
160 "IXGBE_VFRDBAH0",
161 "IXGBE_VFRDBAH1",
162 "IXGBE_VFRDLEN0",
163 "IXGBE_VFRDLEN1",
164 "IXGBE_VFRDH0",
165 "IXGBE_VFRDH1",
166 "IXGBE_VFRDT0",
167 "IXGBE_VFRDT1",
168 "IXGBE_VFRXDCTL0",
169 "IXGBE_VFRXDCTL1",
170 "IXGBE_VFSRRCTL0",
171 "IXGBE_VFSRRCTL1",
172 "IXGBE_VFPSRTYPE",
173 "IXGBE_VFTDBAL0",
174 "IXGBE_VFTDBAL1",
175 "IXGBE_VFTDBAH0",
176 "IXGBE_VFTDBAH1",
177 "IXGBE_VFTDLEN0",
178 "IXGBE_VFTDLEN1",
179 "IXGBE_VFTDH0",
180 "IXGBE_VFTDH1",
181 "IXGBE_VFTDT0",
182 "IXGBE_VFTDT1",
183 "IXGBE_VFTXDCTL0",
184 "IXGBE_VFTXDCTL1",
185 "IXGBE_VFTDWBAL0",
186 "IXGBE_VFTDWBAL1",
187 "IXGBE_VFTDWBAH0",
188 "IXGBE_VFTDWBAH1"
189};
190
191
192static int ixgbevf_get_regs_len(struct net_device *netdev)
193{
194 return (ARRAY_SIZE(ixgbevf_reg_names)) * sizeof(u32);
195}
196
197static void ixgbevf_get_regs(struct net_device *netdev,
198 struct ethtool_regs *regs,
199 void *p)
200{
201 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
202 struct ixgbe_hw *hw = &adapter->hw;
203 u32 *regs_buff = p;
204 u32 regs_len = ixgbevf_get_regs_len(netdev);
205 u8 i;
206
207 memset(p, 0, regs_len);
208
209 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
210
211 /* General Registers */
212 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
213 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
214 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
215 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
6fb456a0 216 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER);
92915f71
GR		 217
218 /* Interrupt */
219 /* don't read EICR because it can clear interrupt causes, instead
220 * read EICS which is a shadow but doesn't clear EICR */
221 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
222 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
223 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
224 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
225 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
226 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
227 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
228 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
229 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
230
231 /* Receive DMA */
232 for (i = 0; i < 2; i++)
233 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
234 for (i = 0; i < 2; i++)
235 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
236 for (i = 0; i < 2; i++)
237 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
238 for (i = 0; i < 2; i++)
239 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
240 for (i = 0; i < 2; i++)
241 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
242 for (i = 0; i < 2; i++)
243 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
244 for (i = 0; i < 2; i++)
245 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
246
247 /* Receive */
248 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
249
250 /* Transmit */
251 for (i = 0; i < 2; i++)
252 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
253 for (i = 0; i < 2; i++)
254 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
255 for (i = 0; i < 2; i++)
256 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
257 for (i = 0; i < 2; i++)
258 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
259 for (i = 0; i < 2; i++)
260 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
261 for (i = 0; i < 2; i++)
262 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
263 for (i = 0; i < 2; i++)
264 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
265 for (i = 0; i < 2; i++)
266 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
267
268 for (i = 0; i < ARRAY_SIZE(ixgbevf_reg_names); i++)
269 hw_dbg(hw, "%s\t%8.8x\n", ixgbevf_reg_names[i], regs_buff[i]);
270}
271
272static void ixgbevf_get_drvinfo(struct net_device *netdev,
273 struct ethtool_drvinfo *drvinfo)
274{
275 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
276
84b40501
RJ		 277 strlcpy(drvinfo->driver, ixgbevf_driver_name, sizeof(drvinfo->driver));
278 strlcpy(drvinfo->version, ixgbevf_driver_version,
279 sizeof(drvinfo->version));
280 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
281 sizeof(drvinfo->bus_info));
92915f71
GR		 282}
283
284static void ixgbevf_get_ringparam(struct net_device *netdev,
285 struct ethtool_ringparam *ring)
286{
287 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
92915f71
GR		 288
289 ring->rx_max_pending = IXGBEVF_MAX_RXD;
290 ring->tx_max_pending = IXGBEVF_MAX_TXD;
eb022d05
AD		 291 ring->rx_pending = adapter->rx_ring_count;
292 ring->tx_pending = adapter->tx_ring_count;
92915f71
GR		 293}
294
295static int ixgbevf_set_ringparam(struct net_device *netdev,
296 struct ethtool_ringparam *ring)
297{
298 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
299 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
92915f71 300 u32 new_rx_count, new_tx_count;
eb022d05 301 int i, err = 0;
92915f71
GR		 302
303 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
304 return -EINVAL;
305
eb022d05
AD		 306 new_tx_count = max_t(u32, ring->tx_pending, IXGBEVF_MIN_TXD);
307 new_tx_count = min_t(u32, new_tx_count, IXGBEVF_MAX_TXD);
92915f71
GR		 308 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
309
eb022d05
AD		 310 new_rx_count = max_t(u32, ring->rx_pending, IXGBEVF_MIN_RXD);
311 new_rx_count = min_t(u32, new_rx_count, IXGBEVF_MAX_RXD);
312 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
313
314 /* if nothing to do return success */
315 if ((new_tx_count == adapter->tx_ring_count) &&
316 (new_rx_count == adapter->rx_ring_count))
92915f71 317 return 0;
92915f71
GR		 318
319 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
eb022d05 320 usleep_range(1000, 2000);
92915f71 321
bba50b99
GR		 322 if (!netif_running(adapter->netdev)) {
323 for (i = 0; i < adapter->num_tx_queues; i++)
324 adapter->tx_ring[i].count = new_tx_count;
325 for (i = 0; i < adapter->num_rx_queues; i++)
326 adapter->rx_ring[i].count = new_rx_count;
327 adapter->tx_ring_count = new_tx_count;
328 adapter->rx_ring_count = new_rx_count;
329 goto clear_reset;
92915f71
GR		 330 }
331
eb022d05
AD		 332 if (new_tx_count != adapter->tx_ring_count) {
333 tx_ring = vmalloc(adapter->num_tx_queues * sizeof(*tx_ring));
334 if (!tx_ring) {
335 err = -ENOMEM;
336 goto clear_reset;
337 }
bba50b99 338
eb022d05
AD		 339 for (i = 0; i < adapter->num_tx_queues; i++) {
340 /* clone ring and setup updated count */
341 tx_ring[i] = adapter->tx_ring[i];
342 tx_ring[i].count = new_tx_count;
343 err = ixgbevf_setup_tx_resources(adapter, &tx_ring[i]);
344 if (!err)
345 continue;
bba50b99
GR		 346 while (i) {
347 i--;
fb40195c 348 ixgbevf_free_tx_resources(adapter, &tx_ring[i]);
bba50b99 349 }
eb022d05
AD		 350
351 vfree(tx_ring);
352 tx_ring = NULL;
353
354 goto clear_reset;
bba50b99 355 }
92915f71
GR		 356 }
357
eb022d05
AD		 358 if (new_rx_count != adapter->rx_ring_count) {
359 rx_ring = vmalloc(adapter->num_rx_queues * sizeof(*rx_ring));
360 if (!rx_ring) {
361 err = -ENOMEM;
362 goto clear_reset;
363 }
364
365 for (i = 0; i < adapter->num_rx_queues; i++) {
366 /* clone ring and setup updated count */
367 rx_ring[i] = adapter->rx_ring[i];
368 rx_ring[i].count = new_rx_count;
369 err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]);
370 if (!err)
371 continue;
bba50b99
GR		 372 while (i) {
373 i--;
fb40195c 374 ixgbevf_free_rx_resources(adapter, &rx_ring[i]);
bba50b99 375 }
eb022d05
AD		 376
377 vfree(rx_ring);
378 rx_ring = NULL;
379
380 goto clear_reset;
bba50b99 381 }
92915f71
GR		 382 }
383
eb022d05
AD		 384 /* bring interface down to prepare for update */
385 ixgbevf_down(adapter);
bba50b99 386
eb022d05
AD		 387 /* Tx */
388 if (tx_ring) {
389 for (i = 0; i < adapter->num_tx_queues; i++) {
390 ixgbevf_free_tx_resources(adapter,
391 &adapter->tx_ring[i]);
392 adapter->tx_ring[i] = tx_ring[i];
393 }
394 adapter->tx_ring_count = new_tx_count;
bba50b99 395
eb022d05
AD		 396 vfree(tx_ring);
397 tx_ring = NULL;
398 }
bba50b99 399
eb022d05
AD		 400 /* Rx */
401 if (rx_ring) {
402 for (i = 0; i < adapter->num_rx_queues; i++) {
403 ixgbevf_free_rx_resources(adapter,
404 &adapter->rx_ring[i]);
405 adapter->rx_ring[i] = rx_ring[i];
406 }
407 adapter->rx_ring_count = new_rx_count;
bba50b99 408
eb022d05
AD		 409 vfree(rx_ring);
410 rx_ring = NULL;
411 }
bba50b99 412
eb022d05
AD		 413 /* restore interface using new values */
414 ixgbevf_up(adapter);
92915f71 415
bba50b99 416clear_reset:
eb022d05
AD		 417 /* free Tx resources if Rx error is encountered */
418 if (tx_ring) {
419 for (i = 0; i < adapter->num_tx_queues; i++)
420 ixgbevf_free_tx_resources(adapter, &tx_ring[i]);
421 vfree(tx_ring);
422 }
423
92915f71
GR		 424 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
425 return err;
426}
427
428static int ixgbevf_get_sset_count(struct net_device *dev, int stringset)
429{
430 switch (stringset) {
431 case ETH_SS_TEST:
432 return IXGBE_TEST_LEN;
433 case ETH_SS_STATS:
434 return IXGBE_GLOBAL_STATS_LEN;
435 default:
436 return -EINVAL;
437 }
438}
439
440static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
441 struct ethtool_stats *stats, u64 *data)
442{
443 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
444 int i;
445
446 ixgbevf_update_stats(adapter);
447 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
448 char *p = (char *)adapter +
449 ixgbe_gstrings_stats[i].stat_offset;
450 char *b = (char *)adapter +
451 ixgbe_gstrings_stats[i].base_stat_offset;
33bd9f60
GR		 452 char *r = (char *)adapter +
453 ixgbe_gstrings_stats[i].saved_reset_offset;
92915f71
GR		 454 data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat ==
455 sizeof(u64)) ? *(u64 *)p : *(u32 *)p) -
456 ((ixgbe_gstrings_stats[i].sizeof_stat ==
33bd9f60
GR		 457 sizeof(u64)) ? *(u64 *)b : *(u32 *)b) +
458 ((ixgbe_gstrings_stats[i].sizeof_stat ==
459 sizeof(u64)) ? *(u64 *)r : *(u32 *)r);
92915f71
GR		 460 }
461}
462
463static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
464 u8 *data)
465{
466 char *p = (char *)data;
467 int i;
468
469 switch (stringset) {
470 case ETH_SS_TEST:
471 memcpy(data, *ixgbe_gstrings_test,
472 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
473 break;
474 case ETH_SS_STATS:
475 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
476 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
477 ETH_GSTRING_LEN);
478 p += ETH_GSTRING_LEN;
479 }
480 break;
481 }
482}
483
484static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
485{
486 struct ixgbe_hw *hw = &adapter->hw;
487 bool link_up;
488 u32 link_speed = 0;
489 *data = 0;
490
491 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
492 if (!link_up)
493 *data = 1;
494
495 return *data;
496}
497
498/* ethtool register test data */
499struct ixgbevf_reg_test {
500 u16 reg;
501 u8 array_len;
502 u8 test_type;
503 u32 mask;
504 u32 write;
505};
506
507/* In the hardware, registers are laid out either singly, in arrays
508 * spaced 0x40 bytes apart, or in contiguous tables. We assume
509 * most tests take place on arrays or single registers (handled
510 * as a single-element array) and special-case the tables.
511 * Table tests are always pattern tests.
512 *
513 * We also make provision for some required setup steps by specifying
514 * registers to be written without any read-back testing.
515 */
516
517#define PATTERN_TEST 1
518#define SET_READ_TEST 2
519#define WRITE_NO_TEST 3
520#define TABLE32_TEST 4
521#define TABLE64_TEST_LO 5
522#define TABLE64_TEST_HI 6
523
524/* default VF register test */
66744500 525static const struct ixgbevf_reg_test reg_test_vf[] = {
92915f71
GR		 526 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
527 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
528 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
529 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
530 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
531 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
532 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
533 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
534 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
535 { 0, 0, 0, 0 }
536};
537
66744500
JK		 538static const u32 register_test_patterns[] = {
539 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
540};
541
92915f71
GR		 542#define REG_PATTERN_TEST(R, M, W) \
543{ \
544 u32 pat, val, before; \
66744500 545 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \
92915f71 546 before = readl(adapter->hw.hw_addr + R); \
66744500
JK		 547 writel((register_test_patterns[pat] & W), \
548 (adapter->hw.hw_addr + R)); \
92915f71 549 val = readl(adapter->hw.hw_addr + R); \
66744500 550 if (val != (register_test_patterns[pat] & W & M)) { \
92915f71
GR		 551 hw_dbg(&adapter->hw, \
552 "pattern test reg %04X failed: got " \
553 "0x%08X expected 0x%08X\n", \
66744500 554 R, val, (register_test_patterns[pat] & W & M)); \
92915f71
GR		 555 *data = R; \
556 writel(before, adapter->hw.hw_addr + R); \
557 return 1; \
558 } \
559 writel(before, adapter->hw.hw_addr + R); \
560 } \
561}
562
563#define REG_SET_AND_CHECK(R, M, W) \
564{ \
565 u32 val, before; \
566 before = readl(adapter->hw.hw_addr + R); \
567 writel((W & M), (adapter->hw.hw_addr + R)); \
568 val = readl(adapter->hw.hw_addr + R); \
569 if ((W & M) != (val & M)) { \
dbd9636e
JK		 570 pr_err("set/check reg %04X test failed: got 0x%08X expected " \
571 "0x%08X\n", R, (val & M), (W & M)); \
92915f71
GR		 572 *data = R; \
573 writel(before, (adapter->hw.hw_addr + R)); \
574 return 1; \
575 } \
576 writel(before, (adapter->hw.hw_addr + R)); \
577}
578
579static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
580{
66744500 581 const struct ixgbevf_reg_test *test;
92915f71
GR		 582 u32 i;
583
584 test = reg_test_vf;
585
586 /*
587 * Perform the register test, looping through the test table
588 * until we either fail or reach the null entry.
589 */
590 while (test->reg) {
591 for (i = 0; i < test->array_len; i++) {
592 switch (test->test_type) {
593 case PATTERN_TEST:
594 REG_PATTERN_TEST(test->reg + (i * 0x40),
595 test->mask,
596 test->write);
597 break;
598 case SET_READ_TEST:
599 REG_SET_AND_CHECK(test->reg + (i * 0x40),
600 test->mask,
601 test->write);
602 break;
603 case WRITE_NO_TEST:
604 writel(test->write,
605 (adapter->hw.hw_addr + test->reg)
606 + (i * 0x40));
607 break;
608 case TABLE32_TEST:
609 REG_PATTERN_TEST(test->reg + (i * 4),
610 test->mask,
611 test->write);
612 break;
613 case TABLE64_TEST_LO:
614 REG_PATTERN_TEST(test->reg + (i * 8),
615 test->mask,
616 test->write);
617 break;
618 case TABLE64_TEST_HI:
619 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
620 test->mask,
621 test->write);
622 break;
623 }
624 }
625 test++;
626 }
627
628 *data = 0;
629 return *data;
630}
631
632static void ixgbevf_diag_test(struct net_device *netdev,
633 struct ethtool_test *eth_test, u64 *data)
634{
635 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
636 bool if_running = netif_running(netdev);
637
638 set_bit(__IXGBEVF_TESTING, &adapter->state);
639 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
640 /* Offline tests */
641
642 hw_dbg(&adapter->hw, "offline testing starting\n");
643
644 /* Link test performed before hardware reset so autoneg doesn't
645 * interfere with test result */
646 if (ixgbevf_link_test(adapter, &data[1]))
647 eth_test->flags |= ETH_TEST_FL_FAILED;
648
649 if (if_running)
650 /* indicate we're in test mode */
651 dev_close(netdev);
652 else
653 ixgbevf_reset(adapter);
654
655 hw_dbg(&adapter->hw, "register testing starting\n");
656 if (ixgbevf_reg_test(adapter, &data[0]))
657 eth_test->flags |= ETH_TEST_FL_FAILED;
658
659 ixgbevf_reset(adapter);
660
661 clear_bit(__IXGBEVF_TESTING, &adapter->state);
662 if (if_running)
663 dev_open(netdev);
664 } else {
665 hw_dbg(&adapter->hw, "online testing starting\n");
666 /* Online tests */
667 if (ixgbevf_link_test(adapter, &data[1]))
668 eth_test->flags |= ETH_TEST_FL_FAILED;
669
670 /* Online tests aren't run; pass by default */
671 data[0] = 0;
672
673 clear_bit(__IXGBEVF_TESTING, &adapter->state);
674 }
675 msleep_interruptible(4 * 1000);
676}
677
678static int ixgbevf_nway_reset(struct net_device *netdev)
679{
680 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
681
77d5dfca
AD		 682 if (netif_running(netdev))
683 ixgbevf_reinit_locked(adapter);
92915f71
GR		 684
685 return 0;
686}
687
b47aca13 688static const struct ethtool_ops ixgbevf_ethtool_ops = {
92915f71
GR		 689 .get_settings = ixgbevf_get_settings,
690 .get_drvinfo = ixgbevf_get_drvinfo,
691 .get_regs_len = ixgbevf_get_regs_len,
692 .get_regs = ixgbevf_get_regs,
693 .nway_reset = ixgbevf_nway_reset,
694 .get_link = ethtool_op_get_link,
695 .get_ringparam = ixgbevf_get_ringparam,
696 .set_ringparam = ixgbevf_set_ringparam,
92915f71
GR		 697 .get_msglevel = ixgbevf_get_msglevel,
698 .set_msglevel = ixgbevf_set_msglevel,
92915f71
GR		 699 .self_test = ixgbevf_diag_test,
700 .get_sset_count = ixgbevf_get_sset_count,
701 .get_strings = ixgbevf_get_strings,
702 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
703};
704
705void ixgbevf_set_ethtool_ops(struct net_device *netdev)
706{
707 SET_ETHTOOL_OPS(netdev, &ixgbevf_ethtool_ops);
708}
Linux kernel - Deliverables
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