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Merge remote-tracking branch 'cleancache/linux-next'
[linux-2.6/next.git] / drivers / net / ixgbe / ixgbe_ethtool.c
blobbcba057b510fb5dfcb627e1f34432670fbef3ed7
1 /*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2011 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 ixgbe */
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/uaccess.h>
38
39 #include "ixgbe.h"
40
41
42 #define IXGBE_ALL_RAR_ENTRIES 16
43
44 enum {NETDEV_STATS, IXGBE_STATS};
45
46 struct ixgbe_stats {
47 char stat_string[ETH_GSTRING_LEN];
48 int type;
49 int sizeof_stat;
50 int stat_offset;
51 };
52
53 #define IXGBE_STAT(m) IXGBE_STATS, \
54 sizeof(((struct ixgbe_adapter *)0)->m), \
55 offsetof(struct ixgbe_adapter, m)
56 #define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
57 sizeof(((struct rtnl_link_stats64 *)0)->m), \
58 offsetof(struct rtnl_link_stats64, m)
59
60 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
61 {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
62 {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
63 {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
64 {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
65 {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
66 {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
67 {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
68 {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
69 {"lsc_int", IXGBE_STAT(lsc_int)},
70 {"tx_busy", IXGBE_STAT(tx_busy)},
71 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
72 {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
73 {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
74 {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
75 {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
76 {"multicast", IXGBE_NETDEV_STAT(multicast)},
77 {"broadcast", IXGBE_STAT(stats.bprc)},
78 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
79 {"collisions", IXGBE_NETDEV_STAT(collisions)},
80 {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
81 {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
82 {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
83 {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
84 {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
85 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
86 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
87 {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
88 {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
89 {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
90 {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
91 {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
92 {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
93 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
94 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
95 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
96 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
97 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
98 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
99 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
100 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
101 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
102 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
103 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
104 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
105 #ifdef IXGBE_FCOE
106 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
107 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
108 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
109 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
110 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
111 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
112 #endif /* IXGBE_FCOE */
113 };
114
115 #define IXGBE_QUEUE_STATS_LEN \
116 ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
117 ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
118 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
119 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
120 #define IXGBE_PB_STATS_LEN ( \
121 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
122 IXGBE_FLAG_DCB_ENABLED) ? \
123 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
124 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
125 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
126 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
127 / sizeof(u64) : 0)
128 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
129 IXGBE_PB_STATS_LEN + \
130 IXGBE_QUEUE_STATS_LEN)
131
132 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
133 "Register test (offline)", "Eeprom test (offline)",
134 "Interrupt test (offline)", "Loopback test (offline)",
135 "Link test (on/offline)"
136 };
137 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
138
139 static int ixgbe_get_settings(struct net_device *netdev,
140 struct ethtool_cmd *ecmd)
141 {
142 struct ixgbe_adapter *adapter = netdev_priv(netdev);
143 struct ixgbe_hw *hw = &adapter->hw;
144 u32 link_speed = 0;
145 bool link_up;
146
147 ecmd->supported = SUPPORTED_10000baseT_Full;
148 ecmd->autoneg = AUTONEG_ENABLE;
149 ecmd->transceiver = XCVR_EXTERNAL;
150 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
151 (hw->phy.multispeed_fiber)) {
152 ecmd->supported |= (SUPPORTED_1000baseT_Full |
153 SUPPORTED_Autoneg);
154
155 switch (hw->mac.type) {
156 case ixgbe_mac_X540:
157 ecmd->supported |= SUPPORTED_100baseT_Full;
158 break;
159 default:
160 break;
161 }
162
163 ecmd->advertising = ADVERTISED_Autoneg;
164 if (hw->phy.autoneg_advertised) {
165 if (hw->phy.autoneg_advertised &
166 IXGBE_LINK_SPEED_100_FULL)
167 ecmd->advertising |= ADVERTISED_100baseT_Full;
168 if (hw->phy.autoneg_advertised &
169 IXGBE_LINK_SPEED_10GB_FULL)
170 ecmd->advertising |= ADVERTISED_10000baseT_Full;
171 if (hw->phy.autoneg_advertised &
172 IXGBE_LINK_SPEED_1GB_FULL)
173 ecmd->advertising |= ADVERTISED_1000baseT_Full;
174 } else {
175 /*
176 * Default advertised modes in case
177 * phy.autoneg_advertised isn't set.
178 */
179 ecmd->advertising |= (ADVERTISED_10000baseT_Full |
180 ADVERTISED_1000baseT_Full);
181 if (hw->mac.type == ixgbe_mac_X540)
182 ecmd->advertising |= ADVERTISED_100baseT_Full;
183 }
184
185 if (hw->phy.media_type == ixgbe_media_type_copper) {
186 ecmd->supported |= SUPPORTED_TP;
187 ecmd->advertising |= ADVERTISED_TP;
188 ecmd->port = PORT_TP;
189 } else {
190 ecmd->supported |= SUPPORTED_FIBRE;
191 ecmd->advertising |= ADVERTISED_FIBRE;
192 ecmd->port = PORT_FIBRE;
193 }
194 } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
195 /* Set as FIBRE until SERDES defined in kernel */
196 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
197 ecmd->supported = (SUPPORTED_1000baseT_Full |
198 SUPPORTED_FIBRE);
199 ecmd->advertising = (ADVERTISED_1000baseT_Full |
200 ADVERTISED_FIBRE);
201 ecmd->port = PORT_FIBRE;
202 ecmd->autoneg = AUTONEG_DISABLE;
203 } else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE) ||
204 (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) {
205 ecmd->supported |= (SUPPORTED_1000baseT_Full |
206 SUPPORTED_Autoneg |
207 SUPPORTED_FIBRE);
208 ecmd->advertising = (ADVERTISED_10000baseT_Full |
209 ADVERTISED_1000baseT_Full |
210 ADVERTISED_Autoneg |
211 ADVERTISED_FIBRE);
212 ecmd->port = PORT_FIBRE;
213 } else {
214 ecmd->supported |= (SUPPORTED_1000baseT_Full |
215 SUPPORTED_FIBRE);
216 ecmd->advertising = (ADVERTISED_10000baseT_Full |
217 ADVERTISED_1000baseT_Full |
218 ADVERTISED_FIBRE);
219 ecmd->port = PORT_FIBRE;
220 }
221 } else {
222 ecmd->supported |= SUPPORTED_FIBRE;
223 ecmd->advertising = (ADVERTISED_10000baseT_Full |
224 ADVERTISED_FIBRE);
225 ecmd->port = PORT_FIBRE;
226 ecmd->autoneg = AUTONEG_DISABLE;
227 }
228
229 /* Get PHY type */
230 switch (adapter->hw.phy.type) {
231 case ixgbe_phy_tn:
232 case ixgbe_phy_aq:
233 case ixgbe_phy_cu_unknown:
234 /* Copper 10G-BASET */
235 ecmd->port = PORT_TP;
236 break;
237 case ixgbe_phy_qt:
238 ecmd->port = PORT_FIBRE;
239 break;
240 case ixgbe_phy_nl:
241 case ixgbe_phy_sfp_passive_tyco:
242 case ixgbe_phy_sfp_passive_unknown:
243 case ixgbe_phy_sfp_ftl:
244 case ixgbe_phy_sfp_avago:
245 case ixgbe_phy_sfp_intel:
246 case ixgbe_phy_sfp_unknown:
247 switch (adapter->hw.phy.sfp_type) {
248 /* SFP+ devices, further checking needed */
249 case ixgbe_sfp_type_da_cu:
250 case ixgbe_sfp_type_da_cu_core0:
251 case ixgbe_sfp_type_da_cu_core1:
252 ecmd->port = PORT_DA;
253 break;
254 case ixgbe_sfp_type_sr:
255 case ixgbe_sfp_type_lr:
256 case ixgbe_sfp_type_srlr_core0:
257 case ixgbe_sfp_type_srlr_core1:
258 ecmd->port = PORT_FIBRE;
259 break;
260 case ixgbe_sfp_type_not_present:
261 ecmd->port = PORT_NONE;
262 break;
263 case ixgbe_sfp_type_1g_cu_core0:
264 case ixgbe_sfp_type_1g_cu_core1:
265 ecmd->port = PORT_TP;
266 ecmd->supported = SUPPORTED_TP;
267 ecmd->advertising = (ADVERTISED_1000baseT_Full |
268 ADVERTISED_TP);
269 break;
270 case ixgbe_sfp_type_unknown:
271 default:
272 ecmd->port = PORT_OTHER;
273 break;
274 }
275 break;
276 case ixgbe_phy_xaui:
277 ecmd->port = PORT_NONE;
278 break;
279 case ixgbe_phy_unknown:
280 case ixgbe_phy_generic:
281 case ixgbe_phy_sfp_unsupported:
282 default:
283 ecmd->port = PORT_OTHER;
284 break;
285 }
286
287 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
288 if (link_up) {
289 switch (link_speed) {
290 case IXGBE_LINK_SPEED_10GB_FULL:
291 ethtool_cmd_speed_set(ecmd, SPEED_10000);
292 break;
293 case IXGBE_LINK_SPEED_1GB_FULL:
294 ethtool_cmd_speed_set(ecmd, SPEED_1000);
295 break;
296 case IXGBE_LINK_SPEED_100_FULL:
297 ethtool_cmd_speed_set(ecmd, SPEED_100);
298 break;
299 default:
300 break;
301 }
302 ecmd->duplex = DUPLEX_FULL;
303 } else {
304 ethtool_cmd_speed_set(ecmd, -1);
305 ecmd->duplex = -1;
306 }
307
308 return 0;
309 }
310
311 static int ixgbe_set_settings(struct net_device *netdev,
312 struct ethtool_cmd *ecmd)
313 {
314 struct ixgbe_adapter *adapter = netdev_priv(netdev);
315 struct ixgbe_hw *hw = &adapter->hw;
316 u32 advertised, old;
317 s32 err = 0;
318
319 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
320 (hw->phy.multispeed_fiber)) {
321 /* 10000/copper and 1000/copper must autoneg
322 * this function does not support any duplex forcing, but can
323 * limit the advertising of the adapter to only 10000 or 1000 */
324 if (ecmd->autoneg == AUTONEG_DISABLE)
325 return -EINVAL;
326
327 old = hw->phy.autoneg_advertised;
328 advertised = 0;
329 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
330 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
331
332 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
333 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
334
335 if (ecmd->advertising & ADVERTISED_100baseT_Full)
336 advertised |= IXGBE_LINK_SPEED_100_FULL;
337
338 if (old == advertised)
339 return err;
340 /* this sets the link speed and restarts auto-neg */
341 hw->mac.autotry_restart = true;
342 err = hw->mac.ops.setup_link(hw, advertised, true, true);
343 if (err) {
344 e_info(probe, "setup link failed with code %d\n", err);
345 hw->mac.ops.setup_link(hw, old, true, true);
346 }
347 } else {
348 /* in this case we currently only support 10Gb/FULL */
349 u32 speed = ethtool_cmd_speed(ecmd);
350 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
351 (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
352 (speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
353 return -EINVAL;
354 }
355
356 return err;
357 }
358
359 static void ixgbe_get_pauseparam(struct net_device *netdev,
360 struct ethtool_pauseparam *pause)
361 {
362 struct ixgbe_adapter *adapter = netdev_priv(netdev);
363 struct ixgbe_hw *hw = &adapter->hw;
364
365 /*
366 * Flow Control Autoneg isn't on if
367 * - we didn't ask for it OR
368 * - it failed, we know this by tx & rx being off
369 */
370 if (hw->fc.disable_fc_autoneg ||
371 (hw->fc.current_mode == ixgbe_fc_none))
372 pause->autoneg = 0;
373 else
374 pause->autoneg = 1;
375
376 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
377 pause->rx_pause = 1;
378 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
379 pause->tx_pause = 1;
380 } else if (hw->fc.current_mode == ixgbe_fc_full) {
381 pause->rx_pause = 1;
382 pause->tx_pause = 1;
383 #ifdef CONFIG_DCB
384 } else if (hw->fc.current_mode == ixgbe_fc_pfc) {
385 pause->rx_pause = 0;
386 pause->tx_pause = 0;
387 #endif
388 }
389 }
390
391 static int ixgbe_set_pauseparam(struct net_device *netdev,
392 struct ethtool_pauseparam *pause)
393 {
394 struct ixgbe_adapter *adapter = netdev_priv(netdev);
395 struct ixgbe_hw *hw = &adapter->hw;
396 struct ixgbe_fc_info fc;
397
398 #ifdef CONFIG_DCB
399 if (adapter->dcb_cfg.pfc_mode_enable ||
400 ((hw->mac.type == ixgbe_mac_82598EB) &&
401 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
402 return -EINVAL;
403
404 #endif
405 fc = hw->fc;
406
407 if (pause->autoneg != AUTONEG_ENABLE)
408 fc.disable_fc_autoneg = true;
409 else
410 fc.disable_fc_autoneg = false;
411
412 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
413 fc.requested_mode = ixgbe_fc_full;
414 else if (pause->rx_pause && !pause->tx_pause)
415 fc.requested_mode = ixgbe_fc_rx_pause;
416 else if (!pause->rx_pause && pause->tx_pause)
417 fc.requested_mode = ixgbe_fc_tx_pause;
418 else if (!pause->rx_pause && !pause->tx_pause)
419 fc.requested_mode = ixgbe_fc_none;
420 else
421 return -EINVAL;
422
423 #ifdef CONFIG_DCB
424 adapter->last_lfc_mode = fc.requested_mode;
425 #endif
426
427 /* if the thing changed then we'll update and use new autoneg */
428 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
429 hw->fc = fc;
430 if (netif_running(netdev))
431 ixgbe_reinit_locked(adapter);
432 else
433 ixgbe_reset(adapter);
434 }
435
436 return 0;
437 }
438
439 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
440 {
441 struct ixgbe_adapter *adapter = netdev_priv(netdev);
442 return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED;
443 }
444
445 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
446 {
447 struct ixgbe_adapter *adapter = netdev_priv(netdev);
448 if (data)
449 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
450 else
451 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
452
453 return 0;
454 }
455
456 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
457 {
458 return (netdev->features & NETIF_F_IP_CSUM) != 0;
459 }
460
461 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
462 {
463 struct ixgbe_adapter *adapter = netdev_priv(netdev);
464 u32 feature_list;
465
466 feature_list = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
467 switch (adapter->hw.mac.type) {
468 case ixgbe_mac_82599EB:
469 case ixgbe_mac_X540:
470 feature_list |= NETIF_F_SCTP_CSUM;
471 break;
472 default:
473 break;
474 }
475 if (data)
476 netdev->features |= feature_list;
477 else
478 netdev->features &= ~feature_list;
479
480 return 0;
481 }
482
483 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
484 {
485 if (data) {
486 netdev->features |= NETIF_F_TSO;
487 netdev->features |= NETIF_F_TSO6;
488 } else {
489 netdev->features &= ~NETIF_F_TSO;
490 netdev->features &= ~NETIF_F_TSO6;
491 }
492 return 0;
493 }
494
495 static u32 ixgbe_get_msglevel(struct net_device *netdev)
496 {
497 struct ixgbe_adapter *adapter = netdev_priv(netdev);
498 return adapter->msg_enable;
499 }
500
501 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
502 {
503 struct ixgbe_adapter *adapter = netdev_priv(netdev);
504 adapter->msg_enable = data;
505 }
506
507 static int ixgbe_get_regs_len(struct net_device *netdev)
508 {
509 #define IXGBE_REGS_LEN 1128
510 return IXGBE_REGS_LEN * sizeof(u32);
511 }
512
513 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
514
515 static void ixgbe_get_regs(struct net_device *netdev,
516 struct ethtool_regs *regs, void *p)
517 {
518 struct ixgbe_adapter *adapter = netdev_priv(netdev);
519 struct ixgbe_hw *hw = &adapter->hw;
520 u32 *regs_buff = p;
521 u8 i;
522
523 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
524
525 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
526
527 /* General Registers */
528 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
529 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
530 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
531 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
532 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
533 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
534 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
535 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
536
537 /* NVM Register */
538 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
539 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
540 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
541 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
542 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
543 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
544 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
545 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
546 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
547 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
548
549 /* Interrupt */
550 /* don't read EICR because it can clear interrupt causes, instead
551 * read EICS which is a shadow but doesn't clear EICR */
552 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
553 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
554 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
555 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
556 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
557 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
558 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
559 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
560 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
561 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
562 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
563 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
564
565 /* Flow Control */
566 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
567 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
568 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
569 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
570 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
571 for (i = 0; i < 8; i++) {
572 switch (hw->mac.type) {
573 case ixgbe_mac_82598EB:
574 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
575 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
576 break;
577 case ixgbe_mac_82599EB:
578 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
579 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
580 break;
581 default:
582 break;
583 }
584 }
585 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
586 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
587
588 /* Receive DMA */
589 for (i = 0; i < 64; i++)
590 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
591 for (i = 0; i < 64; i++)
592 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
593 for (i = 0; i < 64; i++)
594 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
595 for (i = 0; i < 64; i++)
596 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
597 for (i = 0; i < 64; i++)
598 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
599 for (i = 0; i < 64; i++)
600 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
601 for (i = 0; i < 16; i++)
602 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
603 for (i = 0; i < 16; i++)
604 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
605 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
606 for (i = 0; i < 8; i++)
607 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
608 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
609 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
610
611 /* Receive */
612 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
613 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
614 for (i = 0; i < 16; i++)
615 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
616 for (i = 0; i < 16; i++)
617 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
618 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
619 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
620 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
621 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
622 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
623 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
624 for (i = 0; i < 8; i++)
625 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
626 for (i = 0; i < 8; i++)
627 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
628 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
629
630 /* Transmit */
631 for (i = 0; i < 32; i++)
632 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
633 for (i = 0; i < 32; i++)
634 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
635 for (i = 0; i < 32; i++)
636 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
637 for (i = 0; i < 32; i++)
638 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
639 for (i = 0; i < 32; i++)
640 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
641 for (i = 0; i < 32; i++)
642 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
643 for (i = 0; i < 32; i++)
644 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
645 for (i = 0; i < 32; i++)
646 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
647 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
648 for (i = 0; i < 16; i++)
649 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
650 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
651 for (i = 0; i < 8; i++)
652 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
653 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
654
655 /* Wake Up */
656 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
657 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
658 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
659 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
660 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
661 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
662 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
663 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
664 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
665
666 /* DCB */
667 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
668 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
669 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
670 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
671 for (i = 0; i < 8; i++)
672 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
673 for (i = 0; i < 8; i++)
674 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
675 for (i = 0; i < 8; i++)
676 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
677 for (i = 0; i < 8; i++)
678 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
679 for (i = 0; i < 8; i++)
680 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
681 for (i = 0; i < 8; i++)
682 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
683
684 /* Statistics */
685 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
686 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
687 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
688 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
689 for (i = 0; i < 8; i++)
690 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
691 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
692 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
693 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
694 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
695 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
696 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
697 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
698 for (i = 0; i < 8; i++)
699 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
700 for (i = 0; i < 8; i++)
701 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
702 for (i = 0; i < 8; i++)
703 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
704 for (i = 0; i < 8; i++)
705 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
706 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
707 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
708 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
709 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
710 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
711 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
712 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
713 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
714 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
715 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
716 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
717 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
718 for (i = 0; i < 8; i++)
719 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
720 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
721 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
722 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
723 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
724 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
725 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
726 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
727 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
728 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
729 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
730 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
731 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
732 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
733 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
734 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
735 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
736 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
737 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
738 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
739 for (i = 0; i < 16; i++)
740 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
741 for (i = 0; i < 16; i++)
742 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
743 for (i = 0; i < 16; i++)
744 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
745 for (i = 0; i < 16; i++)
746 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
747
748 /* MAC */
749 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
750 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
751 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
752 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
753 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
754 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
755 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
756 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
757 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
758 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
759 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
760 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
761 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
762 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
763 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
764 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
765 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
766 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
767 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
768 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
769 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
770 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
771 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
772 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
773 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
774 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
775 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
776 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
777 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
778 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
779 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
780 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
781 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
782
783 /* Diagnostic */
784 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
785 for (i = 0; i < 8; i++)
786 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
787 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
788 for (i = 0; i < 4; i++)
789 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
790 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
791 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
792 for (i = 0; i < 8; i++)
793 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
794 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
795 for (i = 0; i < 4; i++)
796 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
797 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
798 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
799 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
800 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
801 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
802 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
803 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
804 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
805 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
806 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
807 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
808 for (i = 0; i < 8; i++)
809 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
810 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
811 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
812 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
813 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
814 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
815 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
816 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
817 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
818 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
819 }
820
821 static int ixgbe_get_eeprom_len(struct net_device *netdev)
822 {
823 struct ixgbe_adapter *adapter = netdev_priv(netdev);
824 return adapter->hw.eeprom.word_size * 2;
825 }
826
827 static int ixgbe_get_eeprom(struct net_device *netdev,
828 struct ethtool_eeprom *eeprom, u8 *bytes)
829 {
830 struct ixgbe_adapter *adapter = netdev_priv(netdev);
831 struct ixgbe_hw *hw = &adapter->hw;
832 u16 *eeprom_buff;
833 int first_word, last_word, eeprom_len;
834 int ret_val = 0;
835 u16 i;
836
837 if (eeprom->len == 0)
838 return -EINVAL;
839
840 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
841
842 first_word = eeprom->offset >> 1;
843 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
844 eeprom_len = last_word - first_word + 1;
845
846 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
847 if (!eeprom_buff)
848 return -ENOMEM;
849
850 for (i = 0; i < eeprom_len; i++) {
851 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
852 &eeprom_buff[i])))
853 break;
854 }
855
856 /* Device's eeprom is always little-endian, word addressable */
857 for (i = 0; i < eeprom_len; i++)
858 le16_to_cpus(&eeprom_buff[i]);
859
860 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
861 kfree(eeprom_buff);
862
863 return ret_val;
864 }
865
866 static void ixgbe_get_drvinfo(struct net_device *netdev,
867 struct ethtool_drvinfo *drvinfo)
868 {
869 struct ixgbe_adapter *adapter = netdev_priv(netdev);
870 char firmware_version[32];
871
872 strncpy(drvinfo->driver, ixgbe_driver_name,
873 sizeof(drvinfo->driver) - 1);
874 strncpy(drvinfo->version, ixgbe_driver_version,
875 sizeof(drvinfo->version) - 1);
876
877 snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
878 (adapter->eeprom_version & 0xF000) >> 12,
879 (adapter->eeprom_version & 0x0FF0) >> 4,
880 adapter->eeprom_version & 0x000F);
881
882 strncpy(drvinfo->fw_version, firmware_version,
883 sizeof(drvinfo->fw_version));
884 strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
885 sizeof(drvinfo->bus_info));
886 drvinfo->n_stats = IXGBE_STATS_LEN;
887 drvinfo->testinfo_len = IXGBE_TEST_LEN;
888 drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
889 }
890
891 static void ixgbe_get_ringparam(struct net_device *netdev,
892 struct ethtool_ringparam *ring)
893 {
894 struct ixgbe_adapter *adapter = netdev_priv(netdev);
895 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
896 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
897
898 ring->rx_max_pending = IXGBE_MAX_RXD;
899 ring->tx_max_pending = IXGBE_MAX_TXD;
900 ring->rx_mini_max_pending = 0;
901 ring->rx_jumbo_max_pending = 0;
902 ring->rx_pending = rx_ring->count;
903 ring->tx_pending = tx_ring->count;
904 ring->rx_mini_pending = 0;
905 ring->rx_jumbo_pending = 0;
906 }
907
908 static int ixgbe_set_ringparam(struct net_device *netdev,
909 struct ethtool_ringparam *ring)
910 {
911 struct ixgbe_adapter *adapter = netdev_priv(netdev);
912 struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
913 int i, err = 0;
914 u32 new_rx_count, new_tx_count;
915 bool need_update = false;
916
917 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
918 return -EINVAL;
919
920 new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
921 new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
922 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
923
924 new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
925 new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
926 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
927
928 if ((new_tx_count == adapter->tx_ring[0]->count) &&
929 (new_rx_count == adapter->rx_ring[0]->count)) {
930 /* nothing to do */
931 return 0;
932 }
933
934 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
935 usleep_range(1000, 2000);
936
937 if (!netif_running(adapter->netdev)) {
938 for (i = 0; i < adapter->num_tx_queues; i++)
939 adapter->tx_ring[i]->count = new_tx_count;
940 for (i = 0; i < adapter->num_rx_queues; i++)
941 adapter->rx_ring[i]->count = new_rx_count;
942 adapter->tx_ring_count = new_tx_count;
943 adapter->rx_ring_count = new_rx_count;
944 goto clear_reset;
945 }
946
947 temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring));
948 if (!temp_tx_ring) {
949 err = -ENOMEM;
950 goto clear_reset;
951 }
952
953 if (new_tx_count != adapter->tx_ring_count) {
954 for (i = 0; i < adapter->num_tx_queues; i++) {
955 memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
956 sizeof(struct ixgbe_ring));
957 temp_tx_ring[i].count = new_tx_count;
958 err = ixgbe_setup_tx_resources(&temp_tx_ring[i]);
959 if (err) {
960 while (i) {
961 i--;
962 ixgbe_free_tx_resources(&temp_tx_ring[i]);
963 }
964 goto clear_reset;
965 }
966 }
967 need_update = true;
968 }
969
970 temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring));
971 if (!temp_rx_ring) {
972 err = -ENOMEM;
973 goto err_setup;
974 }
975
976 if (new_rx_count != adapter->rx_ring_count) {
977 for (i = 0; i < adapter->num_rx_queues; i++) {
978 memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
979 sizeof(struct ixgbe_ring));
980 temp_rx_ring[i].count = new_rx_count;
981 err = ixgbe_setup_rx_resources(&temp_rx_ring[i]);
982 if (err) {
983 while (i) {
984 i--;
985 ixgbe_free_rx_resources(&temp_rx_ring[i]);
986 }
987 goto err_setup;
988 }
989 }
990 need_update = true;
991 }
992
993 /* if rings need to be updated, here's the place to do it in one shot */
994 if (need_update) {
995 ixgbe_down(adapter);
996
997 /* tx */
998 if (new_tx_count != adapter->tx_ring_count) {
999 for (i = 0; i < adapter->num_tx_queues; i++) {
1000 ixgbe_free_tx_resources(adapter->tx_ring[i]);
1001 memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
1002 sizeof(struct ixgbe_ring));
1003 }
1004 adapter->tx_ring_count = new_tx_count;
1005 }
1006
1007 /* rx */
1008 if (new_rx_count != adapter->rx_ring_count) {
1009 for (i = 0; i < adapter->num_rx_queues; i++) {
1010 ixgbe_free_rx_resources(adapter->rx_ring[i]);
1011 memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
1012 sizeof(struct ixgbe_ring));
1013 }
1014 adapter->rx_ring_count = new_rx_count;
1015 }
1016 ixgbe_up(adapter);
1017 }
1018
1019 vfree(temp_rx_ring);
1020 err_setup:
1021 vfree(temp_tx_ring);
1022 clear_reset:
1023 clear_bit(__IXGBE_RESETTING, &adapter->state);
1024 return err;
1025 }
1026
1027 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1028 {
1029 switch (sset) {
1030 case ETH_SS_TEST:
1031 return IXGBE_TEST_LEN;
1032 case ETH_SS_STATS:
1033 return IXGBE_STATS_LEN;
1034 default:
1035 return -EOPNOTSUPP;
1036 }
1037 }
1038
1039 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1040 struct ethtool_stats *stats, u64 *data)
1041 {
1042 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1043 struct rtnl_link_stats64 temp;
1044 const struct rtnl_link_stats64 *net_stats;
1045 unsigned int start;
1046 struct ixgbe_ring *ring;
1047 int i, j;
1048 char *p = NULL;
1049
1050 ixgbe_update_stats(adapter);
1051 net_stats = dev_get_stats(netdev, &temp);
1052 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1053 switch (ixgbe_gstrings_stats[i].type) {
1054 case NETDEV_STATS:
1055 p = (char *) net_stats +
1056 ixgbe_gstrings_stats[i].stat_offset;
1057 break;
1058 case IXGBE_STATS:
1059 p = (char *) adapter +
1060 ixgbe_gstrings_stats[i].stat_offset;
1061 break;
1062 }
1063
1064 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1065 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1066 }
1067 for (j = 0; j < adapter->num_tx_queues; j++) {
1068 ring = adapter->tx_ring[j];
1069 do {
1070 start = u64_stats_fetch_begin_bh(&ring->syncp);
1071 data[i] = ring->stats.packets;
1072 data[i+1] = ring->stats.bytes;
1073 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1074 i += 2;
1075 }
1076 for (j = 0; j < adapter->num_rx_queues; j++) {
1077 ring = adapter->rx_ring[j];
1078 do {
1079 start = u64_stats_fetch_begin_bh(&ring->syncp);
1080 data[i] = ring->stats.packets;
1081 data[i+1] = ring->stats.bytes;
1082 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1083 i += 2;
1084 }
1085 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1086 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1087 data[i++] = adapter->stats.pxontxc[j];
1088 data[i++] = adapter->stats.pxofftxc[j];
1089 }
1090 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1091 data[i++] = adapter->stats.pxonrxc[j];
1092 data[i++] = adapter->stats.pxoffrxc[j];
1093 }
1094 }
1095 }
1096
1097 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1098 u8 *data)
1099 {
1100 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1101 char *p = (char *)data;
1102 int i;
1103
1104 switch (stringset) {
1105 case ETH_SS_TEST:
1106 memcpy(data, *ixgbe_gstrings_test,
1107 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1108 break;
1109 case ETH_SS_STATS:
1110 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1111 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1112 ETH_GSTRING_LEN);
1113 p += ETH_GSTRING_LEN;
1114 }
1115 for (i = 0; i < adapter->num_tx_queues; i++) {
1116 sprintf(p, "tx_queue_%u_packets", i);
1117 p += ETH_GSTRING_LEN;
1118 sprintf(p, "tx_queue_%u_bytes", i);
1119 p += ETH_GSTRING_LEN;
1120 }
1121 for (i = 0; i < adapter->num_rx_queues; i++) {
1122 sprintf(p, "rx_queue_%u_packets", i);
1123 p += ETH_GSTRING_LEN;
1124 sprintf(p, "rx_queue_%u_bytes", i);
1125 p += ETH_GSTRING_LEN;
1126 }
1127 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1128 for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1129 sprintf(p, "tx_pb_%u_pxon", i);
1130 p += ETH_GSTRING_LEN;
1131 sprintf(p, "tx_pb_%u_pxoff", i);
1132 p += ETH_GSTRING_LEN;
1133 }
1134 for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1135 sprintf(p, "rx_pb_%u_pxon", i);
1136 p += ETH_GSTRING_LEN;
1137 sprintf(p, "rx_pb_%u_pxoff", i);
1138 p += ETH_GSTRING_LEN;
1139 }
1140 }
1141 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1142 break;
1143 }
1144 }
1145
1146 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1147 {
1148 struct ixgbe_hw *hw = &adapter->hw;
1149 bool link_up;
1150 u32 link_speed = 0;
1151 *data = 0;
1152
1153 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1154 if (link_up)
1155 return *data;
1156 else
1157 *data = 1;
1158 return *data;
1159 }
1160
1161 /* ethtool register test data */
1162 struct ixgbe_reg_test {
1163 u16 reg;
1164 u8 array_len;
1165 u8 test_type;
1166 u32 mask;
1167 u32 write;
1168 };
1169
1170 /* In the hardware, registers are laid out either singly, in arrays
1171 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1172 * most tests take place on arrays or single registers (handled
1173 * as a single-element array) and special-case the tables.
1174 * Table tests are always pattern tests.
1175 *
1176 * We also make provision for some required setup steps by specifying
1177 * registers to be written without any read-back testing.
1178 */
1179
1180 #define PATTERN_TEST 1
1181 #define SET_READ_TEST 2
1182 #define WRITE_NO_TEST 3
1183 #define TABLE32_TEST 4
1184 #define TABLE64_TEST_LO 5
1185 #define TABLE64_TEST_HI 6
1186
1187 /* default 82599 register test */
1188 static const struct ixgbe_reg_test reg_test_82599[] = {
1189 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1190 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1191 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1192 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1193 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1194 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1195 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1196 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1197 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1198 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1199 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1200 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1201 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1202 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1203 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1204 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1205 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1206 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1207 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1208 { 0, 0, 0, 0 }
1209 };
1210
1211 /* default 82598 register test */
1212 static const struct ixgbe_reg_test reg_test_82598[] = {
1213 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1214 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1215 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1216 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1217 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1218 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1219 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1220 /* Enable all four RX queues before testing. */
1221 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1222 /* RDH is read-only for 82598, only test RDT. */
1223 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1224 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1225 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1226 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1227 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1228 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1229 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1230 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1231 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1232 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1233 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1234 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1235 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1236 { 0, 0, 0, 0 }
1237 };
1238
1239 static const u32 register_test_patterns[] = {
1240 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
1241 };
1242
1243 #define REG_PATTERN_TEST(R, M, W) \
1244 { \
1245 u32 pat, val, before; \
1246 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \
1247 before = readl(adapter->hw.hw_addr + R); \
1248 writel((register_test_patterns[pat] & W), \
1249 (adapter->hw.hw_addr + R)); \
1250 val = readl(adapter->hw.hw_addr + R); \
1251 if (val != (register_test_patterns[pat] & W & M)) { \
1252 e_err(drv, "pattern test reg %04X failed: got " \
1253 "0x%08X expected 0x%08X\n", \
1254 R, val, (register_test_patterns[pat] & W & M)); \
1255 *data = R; \
1256 writel(before, adapter->hw.hw_addr + R); \
1257 return 1; \
1258 } \
1259 writel(before, adapter->hw.hw_addr + R); \
1260 } \
1261 }
1262
1263 #define REG_SET_AND_CHECK(R, M, W) \
1264 { \
1265 u32 val, before; \
1266 before = readl(adapter->hw.hw_addr + R); \
1267 writel((W & M), (adapter->hw.hw_addr + R)); \
1268 val = readl(adapter->hw.hw_addr + R); \
1269 if ((W & M) != (val & M)) { \
1270 e_err(drv, "set/check reg %04X test failed: got 0x%08X " \
1271 "expected 0x%08X\n", R, (val & M), (W & M)); \
1272 *data = R; \
1273 writel(before, (adapter->hw.hw_addr + R)); \
1274 return 1; \
1275 } \
1276 writel(before, (adapter->hw.hw_addr + R)); \
1277 }
1278
1279 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1280 {
1281 const struct ixgbe_reg_test *test;
1282 u32 value, before, after;
1283 u32 i, toggle;
1284
1285 switch (adapter->hw.mac.type) {
1286 case ixgbe_mac_82598EB:
1287 toggle = 0x7FFFF3FF;
1288 test = reg_test_82598;
1289 break;
1290 case ixgbe_mac_82599EB:
1291 case ixgbe_mac_X540:
1292 toggle = 0x7FFFF30F;
1293 test = reg_test_82599;
1294 break;
1295 default:
1296 *data = 1;
1297 return 1;
1298 break;
1299 }
1300
1301 /*
1302 * Because the status register is such a special case,
1303 * we handle it separately from the rest of the register
1304 * tests. Some bits are read-only, some toggle, and some
1305 * are writeable on newer MACs.
1306 */
1307 before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1308 value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1309 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1310 after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1311 if (value != after) {
1312 e_err(drv, "failed STATUS register test got: 0x%08X "
1313 "expected: 0x%08X\n", after, value);
1314 *data = 1;
1315 return 1;
1316 }
1317 /* restore previous status */
1318 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1319
1320 /*
1321 * Perform the remainder of the register test, looping through
1322 * the test table until we either fail or reach the null entry.
1323 */
1324 while (test->reg) {
1325 for (i = 0; i < test->array_len; i++) {
1326 switch (test->test_type) {
1327 case PATTERN_TEST:
1328 REG_PATTERN_TEST(test->reg + (i * 0x40),
1329 test->mask,
1330 test->write);
1331 break;
1332 case SET_READ_TEST:
1333 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1334 test->mask,
1335 test->write);
1336 break;
1337 case WRITE_NO_TEST:
1338 writel(test->write,
1339 (adapter->hw.hw_addr + test->reg)
1340 + (i * 0x40));
1341 break;
1342 case TABLE32_TEST:
1343 REG_PATTERN_TEST(test->reg + (i * 4),
1344 test->mask,
1345 test->write);
1346 break;
1347 case TABLE64_TEST_LO:
1348 REG_PATTERN_TEST(test->reg + (i * 8),
1349 test->mask,
1350 test->write);
1351 break;
1352 case TABLE64_TEST_HI:
1353 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1354 test->mask,
1355 test->write);
1356 break;
1357 }
1358 }
1359 test++;
1360 }
1361
1362 *data = 0;
1363 return 0;
1364 }
1365
1366 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1367 {
1368 struct ixgbe_hw *hw = &adapter->hw;
1369 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1370 *data = 1;
1371 else
1372 *data = 0;
1373 return *data;
1374 }
1375
1376 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1377 {
1378 struct net_device *netdev = (struct net_device *) data;
1379 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1380
1381 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1382
1383 return IRQ_HANDLED;
1384 }
1385
1386 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1387 {
1388 struct net_device *netdev = adapter->netdev;
1389 u32 mask, i = 0, shared_int = true;
1390 u32 irq = adapter->pdev->irq;
1391
1392 *data = 0;
1393
1394 /* Hook up test interrupt handler just for this test */
1395 if (adapter->msix_entries) {
1396 /* NOTE: we don't test MSI-X interrupts here, yet */
1397 return 0;
1398 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1399 shared_int = false;
1400 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1401 netdev)) {
1402 *data = 1;
1403 return -1;
1404 }
1405 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1406 netdev->name, netdev)) {
1407 shared_int = false;
1408 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1409 netdev->name, netdev)) {
1410 *data = 1;
1411 return -1;
1412 }
1413 e_info(hw, "testing %s interrupt\n", shared_int ?
1414 "shared" : "unshared");
1415
1416 /* Disable all the interrupts */
1417 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1418 usleep_range(10000, 20000);
1419
1420 /* Test each interrupt */
1421 for (; i < 10; i++) {
1422 /* Interrupt to test */
1423 mask = 1 << i;
1424
1425 if (!shared_int) {
1426 /*
1427 * Disable the interrupts to be reported in
1428 * the cause register and then force the same
1429 * interrupt and see if one gets posted. If
1430 * an interrupt was posted to the bus, the
1431 * test failed.
1432 */
1433 adapter->test_icr = 0;
1434 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1435 ~mask & 0x00007FFF);
1436 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1437 ~mask & 0x00007FFF);
1438 usleep_range(10000, 20000);
1439
1440 if (adapter->test_icr & mask) {
1441 *data = 3;
1442 break;
1443 }
1444 }
1445
1446 /*
1447 * Enable the interrupt to be reported in the cause
1448 * register and then force the same interrupt and see
1449 * if one gets posted. If an interrupt was not posted
1450 * to the bus, the test failed.
1451 */
1452 adapter->test_icr = 0;
1453 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1454 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1455 usleep_range(10000, 20000);
1456
1457 if (!(adapter->test_icr &mask)) {
1458 *data = 4;
1459 break;
1460 }
1461
1462 if (!shared_int) {
1463 /*
1464 * Disable the other interrupts to be reported in
1465 * the cause register and then force the other
1466 * interrupts and see if any get posted. If
1467 * an interrupt was posted to the bus, the
1468 * test failed.
1469 */
1470 adapter->test_icr = 0;
1471 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1472 ~mask & 0x00007FFF);
1473 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1474 ~mask & 0x00007FFF);
1475 usleep_range(10000, 20000);
1476
1477 if (adapter->test_icr) {
1478 *data = 5;
1479 break;
1480 }
1481 }
1482 }
1483
1484 /* Disable all the interrupts */
1485 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1486 usleep_range(10000, 20000);
1487
1488 /* Unhook test interrupt handler */
1489 free_irq(irq, netdev);
1490
1491 return *data;
1492 }
1493
1494 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1495 {
1496 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1497 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1498 struct ixgbe_hw *hw = &adapter->hw;
1499 u32 reg_ctl;
1500
1501 /* shut down the DMA engines now so they can be reinitialized later */
1502
1503 /* first Rx */
1504 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1505 reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1506 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1507 ixgbe_disable_rx_queue(adapter, rx_ring);
1508
1509 /* now Tx */
1510 reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1511 reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1512 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1513
1514 switch (hw->mac.type) {
1515 case ixgbe_mac_82599EB:
1516 case ixgbe_mac_X540:
1517 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1518 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1519 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1520 break;
1521 default:
1522 break;
1523 }
1524
1525 ixgbe_reset(adapter);
1526
1527 ixgbe_free_tx_resources(&adapter->test_tx_ring);
1528 ixgbe_free_rx_resources(&adapter->test_rx_ring);
1529 }
1530
1531 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1532 {
1533 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1534 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1535 u32 rctl, reg_data;
1536 int ret_val;
1537 int err;
1538
1539 /* Setup Tx descriptor ring and Tx buffers */
1540 tx_ring->count = IXGBE_DEFAULT_TXD;
1541 tx_ring->queue_index = 0;
1542 tx_ring->dev = &adapter->pdev->dev;
1543 tx_ring->netdev = adapter->netdev;
1544 tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1545 tx_ring->numa_node = adapter->node;
1546
1547 err = ixgbe_setup_tx_resources(tx_ring);
1548 if (err)
1549 return 1;
1550
1551 switch (adapter->hw.mac.type) {
1552 case ixgbe_mac_82599EB:
1553 case ixgbe_mac_X540:
1554 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1555 reg_data |= IXGBE_DMATXCTL_TE;
1556 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1557 break;
1558 default:
1559 break;
1560 }
1561
1562 ixgbe_configure_tx_ring(adapter, tx_ring);
1563
1564 /* Setup Rx Descriptor ring and Rx buffers */
1565 rx_ring->count = IXGBE_DEFAULT_RXD;
1566 rx_ring->queue_index = 0;
1567 rx_ring->dev = &adapter->pdev->dev;
1568 rx_ring->netdev = adapter->netdev;
1569 rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1570 rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048;
1571 rx_ring->numa_node = adapter->node;
1572
1573 err = ixgbe_setup_rx_resources(rx_ring);
1574 if (err) {
1575 ret_val = 4;
1576 goto err_nomem;
1577 }
1578
1579 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1580 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1581
1582 ixgbe_configure_rx_ring(adapter, rx_ring);
1583
1584 rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1585 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1586
1587 return 0;
1588
1589 err_nomem:
1590 ixgbe_free_desc_rings(adapter);
1591 return ret_val;
1592 }
1593
1594 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1595 {
1596 struct ixgbe_hw *hw = &adapter->hw;
1597 u32 reg_data;
1598
1599 /* X540 needs to set the MACC.FLU bit to force link up */
1600 if (adapter->hw.mac.type == ixgbe_mac_X540) {
1601 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MACC);
1602 reg_data |= IXGBE_MACC_FLU;
1603 IXGBE_WRITE_REG(&adapter->hw, IXGBE_MACC, reg_data);
1604 }
1605
1606 /* right now we only support MAC loopback in the driver */
1607 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1608 /* Setup MAC loopback */
1609 reg_data |= IXGBE_HLREG0_LPBK;
1610 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1611
1612 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
1613 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1614 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
1615
1616 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
1617 reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1618 reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1619 IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
1620 IXGBE_WRITE_FLUSH(&adapter->hw);
1621 usleep_range(10000, 20000);
1622
1623 /* Disable Atlas Tx lanes; re-enabled in reset path */
1624 if (hw->mac.type == ixgbe_mac_82598EB) {
1625 u8 atlas;
1626
1627 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1628 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1629 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1630
1631 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1632 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1633 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1634
1635 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1636 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1637 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1638
1639 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1640 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1641 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1642 }
1643
1644 return 0;
1645 }
1646
1647 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1648 {
1649 u32 reg_data;
1650
1651 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1652 reg_data &= ~IXGBE_HLREG0_LPBK;
1653 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1654 }
1655
1656 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1657 unsigned int frame_size)
1658 {
1659 memset(skb->data, 0xFF, frame_size);
1660 frame_size &= ~1;
1661 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1662 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1663 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1664 }
1665
1666 static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
1667 unsigned int frame_size)
1668 {
1669 frame_size &= ~1;
1670 if (*(skb->data + 3) == 0xFF) {
1671 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1672 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1673 return 0;
1674 }
1675 }
1676 return 13;
1677 }
1678
1679 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1680 struct ixgbe_ring *tx_ring,
1681 unsigned int size)
1682 {
1683 union ixgbe_adv_rx_desc *rx_desc;
1684 struct ixgbe_rx_buffer *rx_buffer_info;
1685 struct ixgbe_tx_buffer *tx_buffer_info;
1686 const int bufsz = rx_ring->rx_buf_len;
1687 u32 staterr;
1688 u16 rx_ntc, tx_ntc, count = 0;
1689
1690 /* initialize next to clean and descriptor values */
1691 rx_ntc = rx_ring->next_to_clean;
1692 tx_ntc = tx_ring->next_to_clean;
1693 rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1694 staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1695
1696 while (staterr & IXGBE_RXD_STAT_DD) {
1697 /* check Rx buffer */
1698 rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
1699
1700 /* unmap Rx buffer, will be remapped by alloc_rx_buffers */
1701 dma_unmap_single(rx_ring->dev,
1702 rx_buffer_info->dma,
1703 bufsz,
1704 DMA_FROM_DEVICE);
1705 rx_buffer_info->dma = 0;
1706
1707 /* verify contents of skb */
1708 if (!ixgbe_check_lbtest_frame(rx_buffer_info->skb, size))
1709 count++;
1710
1711 /* unmap buffer on Tx side */
1712 tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
1713 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info);
1714
1715 /* increment Rx/Tx next to clean counters */
1716 rx_ntc++;
1717 if (rx_ntc == rx_ring->count)
1718 rx_ntc = 0;
1719 tx_ntc++;
1720 if (tx_ntc == tx_ring->count)
1721 tx_ntc = 0;
1722
1723 /* fetch next descriptor */
1724 rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1725 staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1726 }
1727
1728 /* re-map buffers to ring, store next to clean values */
1729 ixgbe_alloc_rx_buffers(rx_ring, count);
1730 rx_ring->next_to_clean = rx_ntc;
1731 tx_ring->next_to_clean = tx_ntc;
1732
1733 return count;
1734 }
1735
1736 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1737 {
1738 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1739 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1740 int i, j, lc, good_cnt, ret_val = 0;
1741 unsigned int size = 1024;
1742 netdev_tx_t tx_ret_val;
1743 struct sk_buff *skb;
1744
1745 /* allocate test skb */
1746 skb = alloc_skb(size, GFP_KERNEL);
1747 if (!skb)
1748 return 11;
1749
1750 /* place data into test skb */
1751 ixgbe_create_lbtest_frame(skb, size);
1752 skb_put(skb, size);
1753
1754 /*
1755 * Calculate the loop count based on the largest descriptor ring
1756 * The idea is to wrap the largest ring a number of times using 64
1757 * send/receive pairs during each loop
1758 */
1759
1760 if (rx_ring->count <= tx_ring->count)
1761 lc = ((tx_ring->count / 64) * 2) + 1;
1762 else
1763 lc = ((rx_ring->count / 64) * 2) + 1;
1764
1765 for (j = 0; j <= lc; j++) {
1766 /* reset count of good packets */
1767 good_cnt = 0;
1768
1769 /* place 64 packets on the transmit queue*/
1770 for (i = 0; i < 64; i++) {
1771 skb_get(skb);
1772 tx_ret_val = ixgbe_xmit_frame_ring(skb,
1773 adapter,
1774 tx_ring);
1775 if (tx_ret_val == NETDEV_TX_OK)
1776 good_cnt++;
1777 }
1778
1779 if (good_cnt != 64) {
1780 ret_val = 12;
1781 break;
1782 }
1783
1784 /* allow 200 milliseconds for packets to go from Tx to Rx */
1785 msleep(200);
1786
1787 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
1788 if (good_cnt != 64) {
1789 ret_val = 13;
1790 break;
1791 }
1792 }
1793
1794 /* free the original skb */
1795 kfree_skb(skb);
1796
1797 return ret_val;
1798 }
1799
1800 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1801 {
1802 *data = ixgbe_setup_desc_rings(adapter);
1803 if (*data)
1804 goto out;
1805 *data = ixgbe_setup_loopback_test(adapter);
1806 if (*data)
1807 goto err_loopback;
1808 *data = ixgbe_run_loopback_test(adapter);
1809 ixgbe_loopback_cleanup(adapter);
1810
1811 err_loopback:
1812 ixgbe_free_desc_rings(adapter);
1813 out:
1814 return *data;
1815 }
1816
1817 static void ixgbe_diag_test(struct net_device *netdev,
1818 struct ethtool_test *eth_test, u64 *data)
1819 {
1820 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1821 bool if_running = netif_running(netdev);
1822
1823 set_bit(__IXGBE_TESTING, &adapter->state);
1824 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1825 /* Offline tests */
1826
1827 e_info(hw, "offline testing starting\n");
1828
1829 /* Link test performed before hardware reset so autoneg doesn't
1830 * interfere with test result */
1831 if (ixgbe_link_test(adapter, &data[4]))
1832 eth_test->flags |= ETH_TEST_FL_FAILED;
1833
1834 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1835 int i;
1836 for (i = 0; i < adapter->num_vfs; i++) {
1837 if (adapter->vfinfo[i].clear_to_send) {
1838 netdev_warn(netdev, "%s",
1839 "offline diagnostic is not "
1840 "supported when VFs are "
1841 "present\n");
1842 data[0] = 1;
1843 data[1] = 1;
1844 data[2] = 1;
1845 data[3] = 1;
1846 eth_test->flags |= ETH_TEST_FL_FAILED;
1847 clear_bit(__IXGBE_TESTING,
1848 &adapter->state);
1849 goto skip_ol_tests;
1850 }
1851 }
1852 }
1853
1854 if (if_running)
1855 /* indicate we're in test mode */
1856 dev_close(netdev);
1857 else
1858 ixgbe_reset(adapter);
1859
1860 e_info(hw, "register testing starting\n");
1861 if (ixgbe_reg_test(adapter, &data[0]))
1862 eth_test->flags |= ETH_TEST_FL_FAILED;
1863
1864 ixgbe_reset(adapter);
1865 e_info(hw, "eeprom testing starting\n");
1866 if (ixgbe_eeprom_test(adapter, &data[1]))
1867 eth_test->flags |= ETH_TEST_FL_FAILED;
1868
1869 ixgbe_reset(adapter);
1870 e_info(hw, "interrupt testing starting\n");
1871 if (ixgbe_intr_test(adapter, &data[2]))
1872 eth_test->flags |= ETH_TEST_FL_FAILED;
1873
1874 /* If SRIOV or VMDq is enabled then skip MAC
1875 * loopback diagnostic. */
1876 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1877 IXGBE_FLAG_VMDQ_ENABLED)) {
1878 e_info(hw, "Skip MAC loopback diagnostic in VT "
1879 "mode\n");
1880 data[3] = 0;
1881 goto skip_loopback;
1882 }
1883
1884 ixgbe_reset(adapter);
1885 e_info(hw, "loopback testing starting\n");
1886 if (ixgbe_loopback_test(adapter, &data[3]))
1887 eth_test->flags |= ETH_TEST_FL_FAILED;
1888
1889 skip_loopback:
1890 ixgbe_reset(adapter);
1891
1892 clear_bit(__IXGBE_TESTING, &adapter->state);
1893 if (if_running)
1894 dev_open(netdev);
1895 } else {
1896 e_info(hw, "online testing starting\n");
1897 /* Online tests */
1898 if (ixgbe_link_test(adapter, &data[4]))
1899 eth_test->flags |= ETH_TEST_FL_FAILED;
1900
1901 /* Online tests aren't run; pass by default */
1902 data[0] = 0;
1903 data[1] = 0;
1904 data[2] = 0;
1905 data[3] = 0;
1906
1907 clear_bit(__IXGBE_TESTING, &adapter->state);
1908 }
1909 skip_ol_tests:
1910 msleep_interruptible(4 * 1000);
1911 }
1912
1913 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1914 struct ethtool_wolinfo *wol)
1915 {
1916 struct ixgbe_hw *hw = &adapter->hw;
1917 int retval = 1;
1918
1919 /* WOL not supported except for the following */
1920 switch(hw->device_id) {
1921 case IXGBE_DEV_ID_82599_SFP:
1922 /* Only this subdevice supports WOL */
1923 if (hw->subsystem_device_id != IXGBE_SUBDEV_ID_82599_SFP) {
1924 wol->supported = 0;
1925 break;
1926 }
1927 retval = 0;
1928 break;
1929 case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
1930 /* All except this subdevice support WOL */
1931 if (hw->subsystem_device_id ==
1932 IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
1933 wol->supported = 0;
1934 break;
1935 }
1936 retval = 0;
1937 break;
1938 case IXGBE_DEV_ID_82599_KX4:
1939 retval = 0;
1940 break;
1941 default:
1942 wol->supported = 0;
1943 }
1944
1945 return retval;
1946 }
1947
1948 static void ixgbe_get_wol(struct net_device *netdev,
1949 struct ethtool_wolinfo *wol)
1950 {
1951 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1952
1953 wol->supported = WAKE_UCAST | WAKE_MCAST |
1954 WAKE_BCAST | WAKE_MAGIC;
1955 wol->wolopts = 0;
1956
1957 if (ixgbe_wol_exclusion(adapter, wol) ||
1958 !device_can_wakeup(&adapter->pdev->dev))
1959 return;
1960
1961 if (adapter->wol & IXGBE_WUFC_EX)
1962 wol->wolopts |= WAKE_UCAST;
1963 if (adapter->wol & IXGBE_WUFC_MC)
1964 wol->wolopts |= WAKE_MCAST;
1965 if (adapter->wol & IXGBE_WUFC_BC)
1966 wol->wolopts |= WAKE_BCAST;
1967 if (adapter->wol & IXGBE_WUFC_MAG)
1968 wol->wolopts |= WAKE_MAGIC;
1969 }
1970
1971 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1972 {
1973 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1974
1975 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1976 return -EOPNOTSUPP;
1977
1978 if (ixgbe_wol_exclusion(adapter, wol))
1979 return wol->wolopts ? -EOPNOTSUPP : 0;
1980
1981 adapter->wol = 0;
1982
1983 if (wol->wolopts & WAKE_UCAST)
1984 adapter->wol |= IXGBE_WUFC_EX;
1985 if (wol->wolopts & WAKE_MCAST)
1986 adapter->wol |= IXGBE_WUFC_MC;
1987 if (wol->wolopts & WAKE_BCAST)
1988 adapter->wol |= IXGBE_WUFC_BC;
1989 if (wol->wolopts & WAKE_MAGIC)
1990 adapter->wol |= IXGBE_WUFC_MAG;
1991
1992 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1993
1994 return 0;
1995 }
1996
1997 static int ixgbe_nway_reset(struct net_device *netdev)
1998 {
1999 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2000
2001 if (netif_running(netdev))
2002 ixgbe_reinit_locked(adapter);
2003
2004 return 0;
2005 }
2006
2007 static int ixgbe_set_phys_id(struct net_device *netdev,
2008 enum ethtool_phys_id_state state)
2009 {
2010 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2011 struct ixgbe_hw *hw = &adapter->hw;
2012
2013 switch (state) {
2014 case ETHTOOL_ID_ACTIVE:
2015 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2016 return 2;
2017
2018 case ETHTOOL_ID_ON:
2019 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
2020 break;
2021
2022 case ETHTOOL_ID_OFF:
2023 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
2024 break;
2025
2026 case ETHTOOL_ID_INACTIVE:
2027 /* Restore LED settings */
2028 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2029 break;
2030 }
2031
2032 return 0;
2033 }
2034
2035 static int ixgbe_get_coalesce(struct net_device *netdev,
2036 struct ethtool_coalesce *ec)
2037 {
2038 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2039
2040 ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0]->work_limit;
2041
2042 /* only valid if in constant ITR mode */
2043 switch (adapter->rx_itr_setting) {
2044 case 0:
2045 /* throttling disabled */
2046 ec->rx_coalesce_usecs = 0;
2047 break;
2048 case 1:
2049 /* dynamic ITR mode */
2050 ec->rx_coalesce_usecs = 1;
2051 break;
2052 default:
2053 /* fixed interrupt rate mode */
2054 ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param;
2055 break;
2056 }
2057
2058 /* if in mixed tx/rx queues per vector mode, report only rx settings */
2059 if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count)
2060 return 0;
2061
2062 /* only valid if in constant ITR mode */
2063 switch (adapter->tx_itr_setting) {
2064 case 0:
2065 /* throttling disabled */
2066 ec->tx_coalesce_usecs = 0;
2067 break;
2068 case 1:
2069 /* dynamic ITR mode */
2070 ec->tx_coalesce_usecs = 1;
2071 break;
2072 default:
2073 ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param;
2074 break;
2075 }
2076
2077 return 0;
2078 }
2079
2080 /*
2081 * this function must be called before setting the new value of
2082 * rx_itr_setting
2083 */
2084 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter,
2085 struct ethtool_coalesce *ec)
2086 {
2087 struct net_device *netdev = adapter->netdev;
2088
2089 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
2090 return false;
2091
2092 /* if interrupt rate is too high then disable RSC */
2093 if (ec->rx_coalesce_usecs != 1 &&
2094 ec->rx_coalesce_usecs <= 1000000/IXGBE_MAX_RSC_INT_RATE) {
2095 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2096 e_info(probe, "rx-usecs set too low, "
2097 "disabling RSC\n");
2098 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2099 return true;
2100 }
2101 } else {
2102 /* check the feature flag value and enable RSC if necessary */
2103 if ((netdev->features & NETIF_F_LRO) &&
2104 !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2105 e_info(probe, "rx-usecs set to %d, "
2106 "re-enabling RSC\n",
2107 ec->rx_coalesce_usecs);
2108 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2109 return true;
2110 }
2111 }
2112 return false;
2113 }
2114
2115 static int ixgbe_set_coalesce(struct net_device *netdev,
2116 struct ethtool_coalesce *ec)
2117 {
2118 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2119 struct ixgbe_q_vector *q_vector;
2120 int i;
2121 bool need_reset = false;
2122
2123 /* don't accept tx specific changes if we've got mixed RxTx vectors */
2124 if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count
2125 && ec->tx_coalesce_usecs)
2126 return -EINVAL;
2127
2128 if (ec->tx_max_coalesced_frames_irq)
2129 adapter->tx_ring[0]->work_limit = ec->tx_max_coalesced_frames_irq;
2130
2131 if (ec->rx_coalesce_usecs > 1) {
2132 /* check the limits */
2133 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2134 (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2135 return -EINVAL;
2136
2137 /* check the old value and enable RSC if necessary */
2138 need_reset = ixgbe_update_rsc(adapter, ec);
2139
2140 /* store the value in ints/second */
2141 adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
2142
2143 /* static value of interrupt rate */
2144 adapter->rx_itr_setting = adapter->rx_eitr_param;
2145 /* clear the lower bit as its used for dynamic state */
2146 adapter->rx_itr_setting &= ~1;
2147 } else if (ec->rx_coalesce_usecs == 1) {
2148 /* check the old value and enable RSC if necessary */
2149 need_reset = ixgbe_update_rsc(adapter, ec);
2150
2151 /* 1 means dynamic mode */
2152 adapter->rx_eitr_param = 20000;
2153 adapter->rx_itr_setting = 1;
2154 } else {
2155 /* check the old value and enable RSC if necessary */
2156 need_reset = ixgbe_update_rsc(adapter, ec);
2157 /*
2158 * any other value means disable eitr, which is best
2159 * served by setting the interrupt rate very high
2160 */
2161 adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
2162 adapter->rx_itr_setting = 0;
2163 }
2164
2165 if (ec->tx_coalesce_usecs > 1) {
2166 /*
2167 * don't have to worry about max_int as above because
2168 * tx vectors don't do hardware RSC (an rx function)
2169 */
2170 /* check the limits */
2171 if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2172 (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2173 return -EINVAL;
2174
2175 /* store the value in ints/second */
2176 adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs;
2177
2178 /* static value of interrupt rate */
2179 adapter->tx_itr_setting = adapter->tx_eitr_param;
2180
2181 /* clear the lower bit as its used for dynamic state */
2182 adapter->tx_itr_setting &= ~1;
2183 } else if (ec->tx_coalesce_usecs == 1) {
2184 /* 1 means dynamic mode */
2185 adapter->tx_eitr_param = 10000;
2186 adapter->tx_itr_setting = 1;
2187 } else {
2188 adapter->tx_eitr_param = IXGBE_MAX_INT_RATE;
2189 adapter->tx_itr_setting = 0;
2190 }
2191
2192 /* MSI/MSIx Interrupt Mode */
2193 if (adapter->flags &
2194 (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) {
2195 int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2196 for (i = 0; i < num_vectors; i++) {
2197 q_vector = adapter->q_vector[i];
2198 if (q_vector->txr_count && !q_vector->rxr_count)
2199 /* tx only */
2200 q_vector->eitr = adapter->tx_eitr_param;
2201 else
2202 /* rx only or mixed */
2203 q_vector->eitr = adapter->rx_eitr_param;
2204 ixgbe_write_eitr(q_vector);
2205 }
2206 /* Legacy Interrupt Mode */
2207 } else {
2208 q_vector = adapter->q_vector[0];
2209 q_vector->eitr = adapter->rx_eitr_param;
2210 ixgbe_write_eitr(q_vector);
2211 }
2212
2213 /*
2214 * do reset here at the end to make sure EITR==0 case is handled
2215 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2216 * also locks in RSC enable/disable which requires reset
2217 */
2218 if (need_reset) {
2219 if (netif_running(netdev))
2220 ixgbe_reinit_locked(adapter);
2221 else
2222 ixgbe_reset(adapter);
2223 }
2224
2225 return 0;
2226 }
2227
2228 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2229 {
2230 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2231 bool need_reset = false;
2232 int rc;
2233
2234 #ifdef CONFIG_IXGBE_DCB
2235 if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
2236 !(data & ETH_FLAG_RXVLAN))
2237 return -EINVAL;
2238 #endif
2239
2240 need_reset = (data & ETH_FLAG_RXVLAN) !=
2241 (netdev->features & NETIF_F_HW_VLAN_RX);
2242
2243 rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO | ETH_FLAG_NTUPLE |
2244 ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN);
2245 if (rc)
2246 return rc;
2247
2248 /* if state changes we need to update adapter->flags and reset */
2249 if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) &&
2250 (!!(data & ETH_FLAG_LRO) !=
2251 !!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) {
2252 if ((data & ETH_FLAG_LRO) &&
2253 (!adapter->rx_itr_setting ||
2254 (adapter->rx_itr_setting > IXGBE_MAX_RSC_INT_RATE))) {
2255 e_info(probe, "rx-usecs set too low, "
2256 "not enabling RSC.\n");
2257 } else {
2258 adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
2259 switch (adapter->hw.mac.type) {
2260 case ixgbe_mac_82599EB:
2261 need_reset = true;
2262 break;
2263 case ixgbe_mac_X540: {
2264 int i;
2265 for (i = 0; i < adapter->num_rx_queues; i++) {
2266 struct ixgbe_ring *ring =
2267 adapter->rx_ring[i];
2268 if (adapter->flags2 &
2269 IXGBE_FLAG2_RSC_ENABLED) {
2270 ixgbe_configure_rscctl(adapter,
2271 ring);
2272 } else {
2273 ixgbe_clear_rscctl(adapter,
2274 ring);
2275 }
2276 }
2277 }
2278 break;
2279 default:
2280 break;
2281 }
2282 }
2283 }
2284
2285 /*
2286 * Check if Flow Director n-tuple support was enabled or disabled. If
2287 * the state changed, we need to reset.
2288 */
2289 if ((adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) &&
2290 (!(data & ETH_FLAG_NTUPLE))) {
2291 /* turn off Flow Director perfect, set hash and reset */
2292 adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2293 adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
2294 need_reset = true;
2295 } else if ((!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) &&
2296 (data & ETH_FLAG_NTUPLE)) {
2297 /* turn off Flow Director hash, enable perfect and reset */
2298 adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
2299 adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2300 need_reset = true;
2301 } else {
2302 /* no state change */
2303 }
2304
2305 if (need_reset) {
2306 if (netif_running(netdev))
2307 ixgbe_reinit_locked(adapter);
2308 else
2309 ixgbe_reset(adapter);
2310 }
2311
2312 return 0;
2313 }
2314
2315 static int ixgbe_set_rx_ntuple(struct net_device *dev,
2316 struct ethtool_rx_ntuple *cmd)
2317 {
2318 struct ixgbe_adapter *adapter = netdev_priv(dev);
2319 struct ethtool_rx_ntuple_flow_spec *fs = &cmd->fs;
2320 union ixgbe_atr_input input_struct;
2321 struct ixgbe_atr_input_masks input_masks;
2322 int target_queue;
2323 int err;
2324
2325 if (adapter->hw.mac.type == ixgbe_mac_82598EB)
2326 return -EOPNOTSUPP;
2327
2328 /*
2329 * Don't allow programming if the action is a queue greater than
2330 * the number of online Tx queues.
2331 */
2332 if ((fs->action >= adapter->num_tx_queues) ||
2333 (fs->action < ETHTOOL_RXNTUPLE_ACTION_DROP))
2334 return -EINVAL;
2335
2336 memset(&input_struct, 0, sizeof(union ixgbe_atr_input));
2337 memset(&input_masks, 0, sizeof(struct ixgbe_atr_input_masks));
2338
2339 /* record flow type */
2340 switch (fs->flow_type) {
2341 case IPV4_FLOW:
2342 input_struct.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2343 break;
2344 case TCP_V4_FLOW:
2345 input_struct.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2346 break;
2347 case UDP_V4_FLOW:
2348 input_struct.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2349 break;
2350 case SCTP_V4_FLOW:
2351 input_struct.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2352 break;
2353 default:
2354 return -1;
2355 }
2356
2357 /* copy vlan tag minus the CFI bit */
2358 if ((fs->vlan_tag & 0xEFFF) || (~fs->vlan_tag_mask & 0xEFFF)) {
2359 input_struct.formatted.vlan_id = htons(fs->vlan_tag & 0xEFFF);
2360 if (!fs->vlan_tag_mask) {
2361 input_masks.vlan_id_mask = htons(0xEFFF);
2362 } else {
2363 switch (~fs->vlan_tag_mask & 0xEFFF) {
2364 /* all of these are valid vlan-mask values */
2365 case 0xEFFF:
2366 case 0xE000:
2367 case 0x0FFF:
2368 case 0x0000:
2369 input_masks.vlan_id_mask =
2370 htons(~fs->vlan_tag_mask);
2371 break;
2372 /* exit with error if vlan-mask is invalid */
2373 default:
2374 e_err(drv, "Partial VLAN ID or "
2375 "priority mask in vlan-mask is not "
2376 "supported by hardware\n");
2377 return -1;
2378 }
2379 }
2380 }
2381
2382 /* make sure we only use the first 2 bytes of user data */
2383 if ((fs->data & 0xFFFF) || (~fs->data_mask & 0xFFFF)) {
2384 input_struct.formatted.flex_bytes = htons(fs->data & 0xFFFF);
2385 if (!(fs->data_mask & 0xFFFF)) {
2386 input_masks.flex_mask = 0xFFFF;
2387 } else if (~fs->data_mask & 0xFFFF) {
2388 e_err(drv, "Partial user-def-mask is not "
2389 "supported by hardware\n");
2390 return -1;
2391 }
2392 }
2393
2394 /*
2395 * Copy input into formatted structures
2396 *
2397 * These assignments are based on the following logic
2398 * If neither input or mask are set assume value is masked out.
2399 * If input is set, but mask is not mask should default to accept all.
2400 * If input is not set, but mask is set then mask likely results in 0.
2401 * If input is set and mask is set then assign both.
2402 */
2403 if (fs->h_u.tcp_ip4_spec.ip4src || ~fs->m_u.tcp_ip4_spec.ip4src) {
2404 input_struct.formatted.src_ip[0] = fs->h_u.tcp_ip4_spec.ip4src;
2405 if (!fs->m_u.tcp_ip4_spec.ip4src)
2406 input_masks.src_ip_mask[0] = 0xFFFFFFFF;
2407 else
2408 input_masks.src_ip_mask[0] =
2409 ~fs->m_u.tcp_ip4_spec.ip4src;
2410 }
2411 if (fs->h_u.tcp_ip4_spec.ip4dst || ~fs->m_u.tcp_ip4_spec.ip4dst) {
2412 input_struct.formatted.dst_ip[0] = fs->h_u.tcp_ip4_spec.ip4dst;
2413 if (!fs->m_u.tcp_ip4_spec.ip4dst)
2414 input_masks.dst_ip_mask[0] = 0xFFFFFFFF;
2415 else
2416 input_masks.dst_ip_mask[0] =
2417 ~fs->m_u.tcp_ip4_spec.ip4dst;
2418 }
2419 if (fs->h_u.tcp_ip4_spec.psrc || ~fs->m_u.tcp_ip4_spec.psrc) {
2420 input_struct.formatted.src_port = fs->h_u.tcp_ip4_spec.psrc;
2421 if (!fs->m_u.tcp_ip4_spec.psrc)
2422 input_masks.src_port_mask = 0xFFFF;
2423 else
2424 input_masks.src_port_mask = ~fs->m_u.tcp_ip4_spec.psrc;
2425 }
2426 if (fs->h_u.tcp_ip4_spec.pdst || ~fs->m_u.tcp_ip4_spec.pdst) {
2427 input_struct.formatted.dst_port = fs->h_u.tcp_ip4_spec.pdst;
2428 if (!fs->m_u.tcp_ip4_spec.pdst)
2429 input_masks.dst_port_mask = 0xFFFF;
2430 else
2431 input_masks.dst_port_mask = ~fs->m_u.tcp_ip4_spec.pdst;
2432 }
2433
2434 /* determine if we need to drop or route the packet */
2435 if (fs->action == ETHTOOL_RXNTUPLE_ACTION_DROP)
2436 target_queue = MAX_RX_QUEUES - 1;
2437 else
2438 target_queue = fs->action;
2439
2440 spin_lock(&adapter->fdir_perfect_lock);
2441 err = ixgbe_fdir_add_perfect_filter_82599(&adapter->hw,
2442 &input_struct,
2443 &input_masks, 0,
2444 target_queue);
2445 spin_unlock(&adapter->fdir_perfect_lock);
2446
2447 return err ? -1 : 0;
2448 }
2449
2450 static const struct ethtool_ops ixgbe_ethtool_ops = {
2451 .get_settings = ixgbe_get_settings,
2452 .set_settings = ixgbe_set_settings,
2453 .get_drvinfo = ixgbe_get_drvinfo,
2454 .get_regs_len = ixgbe_get_regs_len,
2455 .get_regs = ixgbe_get_regs,
2456 .get_wol = ixgbe_get_wol,
2457 .set_wol = ixgbe_set_wol,
2458 .nway_reset = ixgbe_nway_reset,
2459 .get_link = ethtool_op_get_link,
2460 .get_eeprom_len = ixgbe_get_eeprom_len,
2461 .get_eeprom = ixgbe_get_eeprom,
2462 .get_ringparam = ixgbe_get_ringparam,
2463 .set_ringparam = ixgbe_set_ringparam,
2464 .get_pauseparam = ixgbe_get_pauseparam,
2465 .set_pauseparam = ixgbe_set_pauseparam,
2466 .get_rx_csum = ixgbe_get_rx_csum,
2467 .set_rx_csum = ixgbe_set_rx_csum,
2468 .get_tx_csum = ixgbe_get_tx_csum,
2469 .set_tx_csum = ixgbe_set_tx_csum,
2470 .get_sg = ethtool_op_get_sg,
2471 .set_sg = ethtool_op_set_sg,
2472 .get_msglevel = ixgbe_get_msglevel,
2473 .set_msglevel = ixgbe_set_msglevel,
2474 .get_tso = ethtool_op_get_tso,
2475 .set_tso = ixgbe_set_tso,
2476 .self_test = ixgbe_diag_test,
2477 .get_strings = ixgbe_get_strings,
2478 .set_phys_id = ixgbe_set_phys_id,
2479 .get_sset_count = ixgbe_get_sset_count,
2480 .get_ethtool_stats = ixgbe_get_ethtool_stats,
2481 .get_coalesce = ixgbe_get_coalesce,
2482 .set_coalesce = ixgbe_set_coalesce,
2483 .get_flags = ethtool_op_get_flags,
2484 .set_flags = ixgbe_set_flags,
2485 .set_rx_ntuple = ixgbe_set_rx_ntuple,
2486 };
2487
2488 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2489 {
2490 SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2491 }
linux-next