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IPVS: fix netns if reading ip_vs_* procfs entries
[linux-2.6/linux-mips.git] / drivers / net / ixgbe / ixgbe_ethtool.c
blob76380a2b35aa6aeafe05c20f1b056a1ea355a240
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 ecmd->speed = SPEED_10000;
292 break;
293 case IXGBE_LINK_SPEED_1GB_FULL:
294 ecmd->speed = SPEED_1000;
295 break;
296 case IXGBE_LINK_SPEED_100_FULL:
297 ecmd->speed = SPEED_100;
298 break;
299 default:
300 break;
301 }
302 ecmd->duplex = DUPLEX_FULL;
303 } else {
304 ecmd->speed = -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 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
350 (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
351 (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
352 return -EINVAL;
353 }
354
355 return err;
356 }
357
358 static void ixgbe_get_pauseparam(struct net_device *netdev,
359 struct ethtool_pauseparam *pause)
360 {
361 struct ixgbe_adapter *adapter = netdev_priv(netdev);
362 struct ixgbe_hw *hw = &adapter->hw;
363
364 /*
365 * Flow Control Autoneg isn't on if
366 * - we didn't ask for it OR
367 * - it failed, we know this by tx & rx being off
368 */
369 if (hw->fc.disable_fc_autoneg ||
370 (hw->fc.current_mode == ixgbe_fc_none))
371 pause->autoneg = 0;
372 else
373 pause->autoneg = 1;
374
375 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
376 pause->rx_pause = 1;
377 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
378 pause->tx_pause = 1;
379 } else if (hw->fc.current_mode == ixgbe_fc_full) {
380 pause->rx_pause = 1;
381 pause->tx_pause = 1;
382 #ifdef CONFIG_DCB
383 } else if (hw->fc.current_mode == ixgbe_fc_pfc) {
384 pause->rx_pause = 0;
385 pause->tx_pause = 0;
386 #endif
387 }
388 }
389
390 static int ixgbe_set_pauseparam(struct net_device *netdev,
391 struct ethtool_pauseparam *pause)
392 {
393 struct ixgbe_adapter *adapter = netdev_priv(netdev);
394 struct ixgbe_hw *hw = &adapter->hw;
395 struct ixgbe_fc_info fc;
396
397 #ifdef CONFIG_DCB
398 if (adapter->dcb_cfg.pfc_mode_enable ||
399 ((hw->mac.type == ixgbe_mac_82598EB) &&
400 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
401 return -EINVAL;
402
403 #endif
404 fc = hw->fc;
405
406 if (pause->autoneg != AUTONEG_ENABLE)
407 fc.disable_fc_autoneg = true;
408 else
409 fc.disable_fc_autoneg = false;
410
411 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
412 fc.requested_mode = ixgbe_fc_full;
413 else if (pause->rx_pause && !pause->tx_pause)
414 fc.requested_mode = ixgbe_fc_rx_pause;
415 else if (!pause->rx_pause && pause->tx_pause)
416 fc.requested_mode = ixgbe_fc_tx_pause;
417 else if (!pause->rx_pause && !pause->tx_pause)
418 fc.requested_mode = ixgbe_fc_none;
419 else
420 return -EINVAL;
421
422 #ifdef CONFIG_DCB
423 adapter->last_lfc_mode = fc.requested_mode;
424 #endif
425
426 /* if the thing changed then we'll update and use new autoneg */
427 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
428 hw->fc = fc;
429 if (netif_running(netdev))
430 ixgbe_reinit_locked(adapter);
431 else
432 ixgbe_reset(adapter);
433 }
434
435 return 0;
436 }
437
438 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
439 {
440 struct ixgbe_adapter *adapter = netdev_priv(netdev);
441 return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED;
442 }
443
444 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
445 {
446 struct ixgbe_adapter *adapter = netdev_priv(netdev);
447 if (data)
448 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
449 else
450 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
451
452 return 0;
453 }
454
455 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
456 {
457 return (netdev->features & NETIF_F_IP_CSUM) != 0;
458 }
459
460 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
461 {
462 struct ixgbe_adapter *adapter = netdev_priv(netdev);
463 u32 feature_list;
464
465 feature_list = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
466 switch (adapter->hw.mac.type) {
467 case ixgbe_mac_82599EB:
468 case ixgbe_mac_X540:
469 feature_list |= NETIF_F_SCTP_CSUM;
470 break;
471 default:
472 break;
473 }
474 if (data)
475 netdev->features |= feature_list;
476 else
477 netdev->features &= ~feature_list;
478
479 return 0;
480 }
481
482 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
483 {
484 if (data) {
485 netdev->features |= NETIF_F_TSO;
486 netdev->features |= NETIF_F_TSO6;
487 } else {
488 netdev->features &= ~NETIF_F_TSO;
489 netdev->features &= ~NETIF_F_TSO6;
490 }
491 return 0;
492 }
493
494 static u32 ixgbe_get_msglevel(struct net_device *netdev)
495 {
496 struct ixgbe_adapter *adapter = netdev_priv(netdev);
497 return adapter->msg_enable;
498 }
499
500 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
501 {
502 struct ixgbe_adapter *adapter = netdev_priv(netdev);
503 adapter->msg_enable = data;
504 }
505
506 static int ixgbe_get_regs_len(struct net_device *netdev)
507 {
508 #define IXGBE_REGS_LEN 1128
509 return IXGBE_REGS_LEN * sizeof(u32);
510 }
511
512 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
513
514 static void ixgbe_get_regs(struct net_device *netdev,
515 struct ethtool_regs *regs, void *p)
516 {
517 struct ixgbe_adapter *adapter = netdev_priv(netdev);
518 struct ixgbe_hw *hw = &adapter->hw;
519 u32 *regs_buff = p;
520 u8 i;
521
522 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
523
524 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
525
526 /* General Registers */
527 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
528 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
529 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
530 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
531 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
532 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
533 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
534 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
535
536 /* NVM Register */
537 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
538 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
539 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
540 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
541 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
542 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
543 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
544 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
545 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
546 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
547
548 /* Interrupt */
549 /* don't read EICR because it can clear interrupt causes, instead
550 * read EICS which is a shadow but doesn't clear EICR */
551 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
552 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
553 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
554 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
555 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
556 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
557 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
558 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
559 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
560 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
561 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
562 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
563
564 /* Flow Control */
565 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
566 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
567 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
568 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
569 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
570 for (i = 0; i < 8; i++) {
571 switch (hw->mac.type) {
572 case ixgbe_mac_82598EB:
573 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
574 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
575 break;
576 case ixgbe_mac_82599EB:
577 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
578 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
579 break;
580 default:
581 break;
582 }
583 }
584 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
585 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
586
587 /* Receive DMA */
588 for (i = 0; i < 64; i++)
589 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
590 for (i = 0; i < 64; i++)
591 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
592 for (i = 0; i < 64; i++)
593 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
594 for (i = 0; i < 64; i++)
595 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
596 for (i = 0; i < 64; i++)
597 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
598 for (i = 0; i < 64; i++)
599 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
600 for (i = 0; i < 16; i++)
601 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
602 for (i = 0; i < 16; i++)
603 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
604 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
605 for (i = 0; i < 8; i++)
606 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
607 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
608 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
609
610 /* Receive */
611 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
612 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
613 for (i = 0; i < 16; i++)
614 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
615 for (i = 0; i < 16; i++)
616 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
617 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
618 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
619 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
620 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
621 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
622 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
623 for (i = 0; i < 8; i++)
624 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
625 for (i = 0; i < 8; i++)
626 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
627 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
628
629 /* Transmit */
630 for (i = 0; i < 32; i++)
631 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
632 for (i = 0; i < 32; i++)
633 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
634 for (i = 0; i < 32; i++)
635 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
636 for (i = 0; i < 32; i++)
637 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
638 for (i = 0; i < 32; i++)
639 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
640 for (i = 0; i < 32; i++)
641 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
642 for (i = 0; i < 32; i++)
643 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
644 for (i = 0; i < 32; i++)
645 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
646 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
647 for (i = 0; i < 16; i++)
648 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
649 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
650 for (i = 0; i < 8; i++)
651 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
652 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
653
654 /* Wake Up */
655 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
656 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
657 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
658 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
659 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
660 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
661 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
662 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
663 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
664
665 /* DCB */
666 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
667 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
668 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
669 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
670 for (i = 0; i < 8; i++)
671 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
672 for (i = 0; i < 8; i++)
673 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
674 for (i = 0; i < 8; i++)
675 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
676 for (i = 0; i < 8; i++)
677 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
678 for (i = 0; i < 8; i++)
679 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
680 for (i = 0; i < 8; i++)
681 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
682
683 /* Statistics */
684 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
685 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
686 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
687 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
688 for (i = 0; i < 8; i++)
689 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
690 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
691 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
692 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
693 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
694 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
695 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
696 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
697 for (i = 0; i < 8; i++)
698 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
699 for (i = 0; i < 8; i++)
700 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
701 for (i = 0; i < 8; i++)
702 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
703 for (i = 0; i < 8; i++)
704 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
705 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
706 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
707 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
708 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
709 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
710 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
711 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
712 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
713 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
714 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
715 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
716 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
717 for (i = 0; i < 8; i++)
718 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
719 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
720 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
721 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
722 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
723 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
724 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
725 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
726 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
727 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
728 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
729 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
730 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
731 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
732 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
733 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
734 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
735 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
736 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
737 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
738 for (i = 0; i < 16; i++)
739 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
740 for (i = 0; i < 16; i++)
741 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
742 for (i = 0; i < 16; i++)
743 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
744 for (i = 0; i < 16; i++)
745 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
746
747 /* MAC */
748 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
749 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
750 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
751 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
752 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
753 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
754 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
755 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
756 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
757 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
758 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
759 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
760 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
761 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
762 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
763 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
764 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
765 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
766 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
767 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
768 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
769 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
770 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
771 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
772 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
773 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
774 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
775 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
776 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
777 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
778 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
779 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
780 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
781
782 /* Diagnostic */
783 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
784 for (i = 0; i < 8; i++)
785 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
786 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
787 for (i = 0; i < 4; i++)
788 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
789 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
790 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
791 for (i = 0; i < 8; i++)
792 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
793 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
794 for (i = 0; i < 4; i++)
795 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
796 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
797 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
798 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
799 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
800 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
801 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
802 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
803 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
804 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
805 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
806 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
807 for (i = 0; i < 8; i++)
808 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
809 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
810 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
811 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
812 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
813 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
814 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
815 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
816 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
817 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
818 }
819
820 static int ixgbe_get_eeprom_len(struct net_device *netdev)
821 {
822 struct ixgbe_adapter *adapter = netdev_priv(netdev);
823 return adapter->hw.eeprom.word_size * 2;
824 }
825
826 static int ixgbe_get_eeprom(struct net_device *netdev,
827 struct ethtool_eeprom *eeprom, u8 *bytes)
828 {
829 struct ixgbe_adapter *adapter = netdev_priv(netdev);
830 struct ixgbe_hw *hw = &adapter->hw;
831 u16 *eeprom_buff;
832 int first_word, last_word, eeprom_len;
833 int ret_val = 0;
834 u16 i;
835
836 if (eeprom->len == 0)
837 return -EINVAL;
838
839 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
840
841 first_word = eeprom->offset >> 1;
842 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
843 eeprom_len = last_word - first_word + 1;
844
845 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
846 if (!eeprom_buff)
847 return -ENOMEM;
848
849 for (i = 0; i < eeprom_len; i++) {
850 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
851 &eeprom_buff[i])))
852 break;
853 }
854
855 /* Device's eeprom is always little-endian, word addressable */
856 for (i = 0; i < eeprom_len; i++)
857 le16_to_cpus(&eeprom_buff[i]);
858
859 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
860 kfree(eeprom_buff);
861
862 return ret_val;
863 }
864
865 static void ixgbe_get_drvinfo(struct net_device *netdev,
866 struct ethtool_drvinfo *drvinfo)
867 {
868 struct ixgbe_adapter *adapter = netdev_priv(netdev);
869 char firmware_version[32];
870
871 strncpy(drvinfo->driver, ixgbe_driver_name,
872 sizeof(drvinfo->driver) - 1);
873 strncpy(drvinfo->version, ixgbe_driver_version,
874 sizeof(drvinfo->version) - 1);
875
876 snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
877 (adapter->eeprom_version & 0xF000) >> 12,
878 (adapter->eeprom_version & 0x0FF0) >> 4,
879 adapter->eeprom_version & 0x000F);
880
881 strncpy(drvinfo->fw_version, firmware_version,
882 sizeof(drvinfo->fw_version));
883 strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
884 sizeof(drvinfo->bus_info));
885 drvinfo->n_stats = IXGBE_STATS_LEN;
886 drvinfo->testinfo_len = IXGBE_TEST_LEN;
887 drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
888 }
889
890 static void ixgbe_get_ringparam(struct net_device *netdev,
891 struct ethtool_ringparam *ring)
892 {
893 struct ixgbe_adapter *adapter = netdev_priv(netdev);
894 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
895 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
896
897 ring->rx_max_pending = IXGBE_MAX_RXD;
898 ring->tx_max_pending = IXGBE_MAX_TXD;
899 ring->rx_mini_max_pending = 0;
900 ring->rx_jumbo_max_pending = 0;
901 ring->rx_pending = rx_ring->count;
902 ring->tx_pending = tx_ring->count;
903 ring->rx_mini_pending = 0;
904 ring->rx_jumbo_pending = 0;
905 }
906
907 static int ixgbe_set_ringparam(struct net_device *netdev,
908 struct ethtool_ringparam *ring)
909 {
910 struct ixgbe_adapter *adapter = netdev_priv(netdev);
911 struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
912 int i, err = 0;
913 u32 new_rx_count, new_tx_count;
914 bool need_update = false;
915
916 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
917 return -EINVAL;
918
919 new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
920 new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
921 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
922
923 new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
924 new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
925 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
926
927 if ((new_tx_count == adapter->tx_ring[0]->count) &&
928 (new_rx_count == adapter->rx_ring[0]->count)) {
929 /* nothing to do */
930 return 0;
931 }
932
933 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
934 msleep(1);
935
936 if (!netif_running(adapter->netdev)) {
937 for (i = 0; i < adapter->num_tx_queues; i++)
938 adapter->tx_ring[i]->count = new_tx_count;
939 for (i = 0; i < adapter->num_rx_queues; i++)
940 adapter->rx_ring[i]->count = new_rx_count;
941 adapter->tx_ring_count = new_tx_count;
942 adapter->rx_ring_count = new_rx_count;
943 goto clear_reset;
944 }
945
946 temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring));
947 if (!temp_tx_ring) {
948 err = -ENOMEM;
949 goto clear_reset;
950 }
951
952 if (new_tx_count != adapter->tx_ring_count) {
953 for (i = 0; i < adapter->num_tx_queues; i++) {
954 memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
955 sizeof(struct ixgbe_ring));
956 temp_tx_ring[i].count = new_tx_count;
957 err = ixgbe_setup_tx_resources(&temp_tx_ring[i]);
958 if (err) {
959 while (i) {
960 i--;
961 ixgbe_free_tx_resources(&temp_tx_ring[i]);
962 }
963 goto clear_reset;
964 }
965 }
966 need_update = true;
967 }
968
969 temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring));
970 if (!temp_rx_ring) {
971 err = -ENOMEM;
972 goto err_setup;
973 }
974
975 if (new_rx_count != adapter->rx_ring_count) {
976 for (i = 0; i < adapter->num_rx_queues; i++) {
977 memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
978 sizeof(struct ixgbe_ring));
979 temp_rx_ring[i].count = new_rx_count;
980 err = ixgbe_setup_rx_resources(&temp_rx_ring[i]);
981 if (err) {
982 while (i) {
983 i--;
984 ixgbe_free_rx_resources(&temp_rx_ring[i]);
985 }
986 goto err_setup;
987 }
988 }
989 need_update = true;
990 }
991
992 /* if rings need to be updated, here's the place to do it in one shot */
993 if (need_update) {
994 ixgbe_down(adapter);
995
996 /* tx */
997 if (new_tx_count != adapter->tx_ring_count) {
998 for (i = 0; i < adapter->num_tx_queues; i++) {
999 ixgbe_free_tx_resources(adapter->tx_ring[i]);
1000 memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
1001 sizeof(struct ixgbe_ring));
1002 }
1003 adapter->tx_ring_count = new_tx_count;
1004 }
1005
1006 /* rx */
1007 if (new_rx_count != adapter->rx_ring_count) {
1008 for (i = 0; i < adapter->num_rx_queues; i++) {
1009 ixgbe_free_rx_resources(adapter->rx_ring[i]);
1010 memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
1011 sizeof(struct ixgbe_ring));
1012 }
1013 adapter->rx_ring_count = new_rx_count;
1014 }
1015 ixgbe_up(adapter);
1016 }
1017
1018 vfree(temp_rx_ring);
1019 err_setup:
1020 vfree(temp_tx_ring);
1021 clear_reset:
1022 clear_bit(__IXGBE_RESETTING, &adapter->state);
1023 return err;
1024 }
1025
1026 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1027 {
1028 switch (sset) {
1029 case ETH_SS_TEST:
1030 return IXGBE_TEST_LEN;
1031 case ETH_SS_STATS:
1032 return IXGBE_STATS_LEN;
1033 case ETH_SS_NTUPLE_FILTERS:
1034 return ETHTOOL_MAX_NTUPLE_LIST_ENTRY *
1035 ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY;
1036 default:
1037 return -EOPNOTSUPP;
1038 }
1039 }
1040
1041 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1042 struct ethtool_stats *stats, u64 *data)
1043 {
1044 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1045 struct rtnl_link_stats64 temp;
1046 const struct rtnl_link_stats64 *net_stats;
1047 unsigned int start;
1048 struct ixgbe_ring *ring;
1049 int i, j;
1050 char *p = NULL;
1051
1052 ixgbe_update_stats(adapter);
1053 net_stats = dev_get_stats(netdev, &temp);
1054 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1055 switch (ixgbe_gstrings_stats[i].type) {
1056 case NETDEV_STATS:
1057 p = (char *) net_stats +
1058 ixgbe_gstrings_stats[i].stat_offset;
1059 break;
1060 case IXGBE_STATS:
1061 p = (char *) adapter +
1062 ixgbe_gstrings_stats[i].stat_offset;
1063 break;
1064 }
1065
1066 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1067 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1068 }
1069 for (j = 0; j < adapter->num_tx_queues; j++) {
1070 ring = adapter->tx_ring[j];
1071 do {
1072 start = u64_stats_fetch_begin_bh(&ring->syncp);
1073 data[i] = ring->stats.packets;
1074 data[i+1] = ring->stats.bytes;
1075 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1076 i += 2;
1077 }
1078 for (j = 0; j < adapter->num_rx_queues; j++) {
1079 ring = adapter->rx_ring[j];
1080 do {
1081 start = u64_stats_fetch_begin_bh(&ring->syncp);
1082 data[i] = ring->stats.packets;
1083 data[i+1] = ring->stats.bytes;
1084 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1085 i += 2;
1086 }
1087 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1088 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1089 data[i++] = adapter->stats.pxontxc[j];
1090 data[i++] = adapter->stats.pxofftxc[j];
1091 }
1092 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1093 data[i++] = adapter->stats.pxonrxc[j];
1094 data[i++] = adapter->stats.pxoffrxc[j];
1095 }
1096 }
1097 }
1098
1099 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1100 u8 *data)
1101 {
1102 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1103 char *p = (char *)data;
1104 int i;
1105
1106 switch (stringset) {
1107 case ETH_SS_TEST:
1108 memcpy(data, *ixgbe_gstrings_test,
1109 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1110 break;
1111 case ETH_SS_STATS:
1112 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1113 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1114 ETH_GSTRING_LEN);
1115 p += ETH_GSTRING_LEN;
1116 }
1117 for (i = 0; i < adapter->num_tx_queues; i++) {
1118 sprintf(p, "tx_queue_%u_packets", i);
1119 p += ETH_GSTRING_LEN;
1120 sprintf(p, "tx_queue_%u_bytes", i);
1121 p += ETH_GSTRING_LEN;
1122 }
1123 for (i = 0; i < adapter->num_rx_queues; i++) {
1124 sprintf(p, "rx_queue_%u_packets", i);
1125 p += ETH_GSTRING_LEN;
1126 sprintf(p, "rx_queue_%u_bytes", i);
1127 p += ETH_GSTRING_LEN;
1128 }
1129 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1130 for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1131 sprintf(p, "tx_pb_%u_pxon", i);
1132 p += ETH_GSTRING_LEN;
1133 sprintf(p, "tx_pb_%u_pxoff", i);
1134 p += ETH_GSTRING_LEN;
1135 }
1136 for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1137 sprintf(p, "rx_pb_%u_pxon", i);
1138 p += ETH_GSTRING_LEN;
1139 sprintf(p, "rx_pb_%u_pxoff", i);
1140 p += ETH_GSTRING_LEN;
1141 }
1142 }
1143 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1144 break;
1145 }
1146 }
1147
1148 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1149 {
1150 struct ixgbe_hw *hw = &adapter->hw;
1151 bool link_up;
1152 u32 link_speed = 0;
1153 *data = 0;
1154
1155 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1156 if (link_up)
1157 return *data;
1158 else
1159 *data = 1;
1160 return *data;
1161 }
1162
1163 /* ethtool register test data */
1164 struct ixgbe_reg_test {
1165 u16 reg;
1166 u8 array_len;
1167 u8 test_type;
1168 u32 mask;
1169 u32 write;
1170 };
1171
1172 /* In the hardware, registers are laid out either singly, in arrays
1173 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1174 * most tests take place on arrays or single registers (handled
1175 * as a single-element array) and special-case the tables.
1176 * Table tests are always pattern tests.
1177 *
1178 * We also make provision for some required setup steps by specifying
1179 * registers to be written without any read-back testing.
1180 */
1181
1182 #define PATTERN_TEST 1
1183 #define SET_READ_TEST 2
1184 #define WRITE_NO_TEST 3
1185 #define TABLE32_TEST 4
1186 #define TABLE64_TEST_LO 5
1187 #define TABLE64_TEST_HI 6
1188
1189 /* default 82599 register test */
1190 static const struct ixgbe_reg_test reg_test_82599[] = {
1191 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1192 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1193 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1194 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1195 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1196 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1197 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1198 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1199 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1200 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1201 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1202 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1203 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1204 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1205 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1206 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1207 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1208 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1209 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1210 { 0, 0, 0, 0 }
1211 };
1212
1213 /* default 82598 register test */
1214 static const struct ixgbe_reg_test reg_test_82598[] = {
1215 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1216 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1217 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1218 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1219 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1220 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1221 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1222 /* Enable all four RX queues before testing. */
1223 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1224 /* RDH is read-only for 82598, only test RDT. */
1225 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1226 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1227 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1228 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1229 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1230 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1231 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1232 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1233 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1234 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1235 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1236 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1237 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1238 { 0, 0, 0, 0 }
1239 };
1240
1241 static const u32 register_test_patterns[] = {
1242 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
1243 };
1244
1245 #define REG_PATTERN_TEST(R, M, W) \
1246 { \
1247 u32 pat, val, before; \
1248 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \
1249 before = readl(adapter->hw.hw_addr + R); \
1250 writel((register_test_patterns[pat] & W), \
1251 (adapter->hw.hw_addr + R)); \
1252 val = readl(adapter->hw.hw_addr + R); \
1253 if (val != (register_test_patterns[pat] & W & M)) { \
1254 e_err(drv, "pattern test reg %04X failed: got " \
1255 "0x%08X expected 0x%08X\n", \
1256 R, val, (register_test_patterns[pat] & W & M)); \
1257 *data = R; \
1258 writel(before, adapter->hw.hw_addr + R); \
1259 return 1; \
1260 } \
1261 writel(before, adapter->hw.hw_addr + R); \
1262 } \
1263 }
1264
1265 #define REG_SET_AND_CHECK(R, M, W) \
1266 { \
1267 u32 val, before; \
1268 before = readl(adapter->hw.hw_addr + R); \
1269 writel((W & M), (adapter->hw.hw_addr + R)); \
1270 val = readl(adapter->hw.hw_addr + R); \
1271 if ((W & M) != (val & M)) { \
1272 e_err(drv, "set/check reg %04X test failed: got 0x%08X " \
1273 "expected 0x%08X\n", R, (val & M), (W & M)); \
1274 *data = R; \
1275 writel(before, (adapter->hw.hw_addr + R)); \
1276 return 1; \
1277 } \
1278 writel(before, (adapter->hw.hw_addr + R)); \
1279 }
1280
1281 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1282 {
1283 const struct ixgbe_reg_test *test;
1284 u32 value, before, after;
1285 u32 i, toggle;
1286
1287 switch (adapter->hw.mac.type) {
1288 case ixgbe_mac_82598EB:
1289 toggle = 0x7FFFF3FF;
1290 test = reg_test_82598;
1291 break;
1292 case ixgbe_mac_82599EB:
1293 case ixgbe_mac_X540:
1294 toggle = 0x7FFFF30F;
1295 test = reg_test_82599;
1296 break;
1297 default:
1298 *data = 1;
1299 return 1;
1300 break;
1301 }
1302
1303 /*
1304 * Because the status register is such a special case,
1305 * we handle it separately from the rest of the register
1306 * tests. Some bits are read-only, some toggle, and some
1307 * are writeable on newer MACs.
1308 */
1309 before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1310 value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1311 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1312 after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1313 if (value != after) {
1314 e_err(drv, "failed STATUS register test got: 0x%08X "
1315 "expected: 0x%08X\n", after, value);
1316 *data = 1;
1317 return 1;
1318 }
1319 /* restore previous status */
1320 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1321
1322 /*
1323 * Perform the remainder of the register test, looping through
1324 * the test table until we either fail or reach the null entry.
1325 */
1326 while (test->reg) {
1327 for (i = 0; i < test->array_len; i++) {
1328 switch (test->test_type) {
1329 case PATTERN_TEST:
1330 REG_PATTERN_TEST(test->reg + (i * 0x40),
1331 test->mask,
1332 test->write);
1333 break;
1334 case SET_READ_TEST:
1335 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1336 test->mask,
1337 test->write);
1338 break;
1339 case WRITE_NO_TEST:
1340 writel(test->write,
1341 (adapter->hw.hw_addr + test->reg)
1342 + (i * 0x40));
1343 break;
1344 case TABLE32_TEST:
1345 REG_PATTERN_TEST(test->reg + (i * 4),
1346 test->mask,
1347 test->write);
1348 break;
1349 case TABLE64_TEST_LO:
1350 REG_PATTERN_TEST(test->reg + (i * 8),
1351 test->mask,
1352 test->write);
1353 break;
1354 case TABLE64_TEST_HI:
1355 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1356 test->mask,
1357 test->write);
1358 break;
1359 }
1360 }
1361 test++;
1362 }
1363
1364 *data = 0;
1365 return 0;
1366 }
1367
1368 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1369 {
1370 struct ixgbe_hw *hw = &adapter->hw;
1371 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1372 *data = 1;
1373 else
1374 *data = 0;
1375 return *data;
1376 }
1377
1378 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1379 {
1380 struct net_device *netdev = (struct net_device *) data;
1381 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1382
1383 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1384
1385 return IRQ_HANDLED;
1386 }
1387
1388 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1389 {
1390 struct net_device *netdev = adapter->netdev;
1391 u32 mask, i = 0, shared_int = true;
1392 u32 irq = adapter->pdev->irq;
1393
1394 *data = 0;
1395
1396 /* Hook up test interrupt handler just for this test */
1397 if (adapter->msix_entries) {
1398 /* NOTE: we don't test MSI-X interrupts here, yet */
1399 return 0;
1400 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1401 shared_int = false;
1402 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1403 netdev)) {
1404 *data = 1;
1405 return -1;
1406 }
1407 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1408 netdev->name, netdev)) {
1409 shared_int = false;
1410 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1411 netdev->name, netdev)) {
1412 *data = 1;
1413 return -1;
1414 }
1415 e_info(hw, "testing %s interrupt\n", shared_int ?
1416 "shared" : "unshared");
1417
1418 /* Disable all the interrupts */
1419 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1420 msleep(10);
1421
1422 /* Test each interrupt */
1423 for (; i < 10; i++) {
1424 /* Interrupt to test */
1425 mask = 1 << i;
1426
1427 if (!shared_int) {
1428 /*
1429 * Disable the interrupts to be reported in
1430 * the cause register and then force the same
1431 * interrupt and see if one gets posted. If
1432 * an interrupt was posted to the bus, the
1433 * test failed.
1434 */
1435 adapter->test_icr = 0;
1436 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1437 ~mask & 0x00007FFF);
1438 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1439 ~mask & 0x00007FFF);
1440 msleep(10);
1441
1442 if (adapter->test_icr & mask) {
1443 *data = 3;
1444 break;
1445 }
1446 }
1447
1448 /*
1449 * Enable the interrupt to be reported in the cause
1450 * register and then force the same interrupt and see
1451 * if one gets posted. If an interrupt was not posted
1452 * to the bus, the test failed.
1453 */
1454 adapter->test_icr = 0;
1455 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1456 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1457 msleep(10);
1458
1459 if (!(adapter->test_icr &mask)) {
1460 *data = 4;
1461 break;
1462 }
1463
1464 if (!shared_int) {
1465 /*
1466 * Disable the other interrupts to be reported in
1467 * the cause register and then force the other
1468 * interrupts and see if any get posted. If
1469 * an interrupt was posted to the bus, the
1470 * test failed.
1471 */
1472 adapter->test_icr = 0;
1473 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1474 ~mask & 0x00007FFF);
1475 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1476 ~mask & 0x00007FFF);
1477 msleep(10);
1478
1479 if (adapter->test_icr) {
1480 *data = 5;
1481 break;
1482 }
1483 }
1484 }
1485
1486 /* Disable all the interrupts */
1487 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1488 msleep(10);
1489
1490 /* Unhook test interrupt handler */
1491 free_irq(irq, netdev);
1492
1493 return *data;
1494 }
1495
1496 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1497 {
1498 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1499 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1500 struct ixgbe_hw *hw = &adapter->hw;
1501 u32 reg_ctl;
1502
1503 /* shut down the DMA engines now so they can be reinitialized later */
1504
1505 /* first Rx */
1506 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1507 reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1508 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1509 ixgbe_disable_rx_queue(adapter, rx_ring);
1510
1511 /* now Tx */
1512 reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1513 reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1514 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1515
1516 switch (hw->mac.type) {
1517 case ixgbe_mac_82599EB:
1518 case ixgbe_mac_X540:
1519 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1520 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1521 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1522 break;
1523 default:
1524 break;
1525 }
1526
1527 ixgbe_reset(adapter);
1528
1529 ixgbe_free_tx_resources(&adapter->test_tx_ring);
1530 ixgbe_free_rx_resources(&adapter->test_rx_ring);
1531 }
1532
1533 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1534 {
1535 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1536 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1537 u32 rctl, reg_data;
1538 int ret_val;
1539 int err;
1540
1541 /* Setup Tx descriptor ring and Tx buffers */
1542 tx_ring->count = IXGBE_DEFAULT_TXD;
1543 tx_ring->queue_index = 0;
1544 tx_ring->dev = &adapter->pdev->dev;
1545 tx_ring->netdev = adapter->netdev;
1546 tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1547 tx_ring->numa_node = adapter->node;
1548
1549 err = ixgbe_setup_tx_resources(tx_ring);
1550 if (err)
1551 return 1;
1552
1553 switch (adapter->hw.mac.type) {
1554 case ixgbe_mac_82599EB:
1555 case ixgbe_mac_X540:
1556 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1557 reg_data |= IXGBE_DMATXCTL_TE;
1558 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1559 break;
1560 default:
1561 break;
1562 }
1563
1564 ixgbe_configure_tx_ring(adapter, tx_ring);
1565
1566 /* Setup Rx Descriptor ring and Rx buffers */
1567 rx_ring->count = IXGBE_DEFAULT_RXD;
1568 rx_ring->queue_index = 0;
1569 rx_ring->dev = &adapter->pdev->dev;
1570 rx_ring->netdev = adapter->netdev;
1571 rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1572 rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048;
1573 rx_ring->numa_node = adapter->node;
1574
1575 err = ixgbe_setup_rx_resources(rx_ring);
1576 if (err) {
1577 ret_val = 4;
1578 goto err_nomem;
1579 }
1580
1581 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1582 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1583
1584 ixgbe_configure_rx_ring(adapter, rx_ring);
1585
1586 rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1587 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1588
1589 return 0;
1590
1591 err_nomem:
1592 ixgbe_free_desc_rings(adapter);
1593 return ret_val;
1594 }
1595
1596 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1597 {
1598 struct ixgbe_hw *hw = &adapter->hw;
1599 u32 reg_data;
1600
1601 /* right now we only support MAC loopback in the driver */
1602 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1603 /* Setup MAC loopback */
1604 reg_data |= IXGBE_HLREG0_LPBK;
1605 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1606
1607 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
1608 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1609 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
1610
1611 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
1612 reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1613 reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1614 IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
1615 IXGBE_WRITE_FLUSH(&adapter->hw);
1616 msleep(10);
1617
1618 /* Disable Atlas Tx lanes; re-enabled in reset path */
1619 if (hw->mac.type == ixgbe_mac_82598EB) {
1620 u8 atlas;
1621
1622 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1623 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1624 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1625
1626 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1627 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1628 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1629
1630 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1631 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1632 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1633
1634 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1635 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1636 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1637 }
1638
1639 return 0;
1640 }
1641
1642 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1643 {
1644 u32 reg_data;
1645
1646 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1647 reg_data &= ~IXGBE_HLREG0_LPBK;
1648 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1649 }
1650
1651 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1652 unsigned int frame_size)
1653 {
1654 memset(skb->data, 0xFF, frame_size);
1655 frame_size &= ~1;
1656 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1657 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1658 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1659 }
1660
1661 static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
1662 unsigned int frame_size)
1663 {
1664 frame_size &= ~1;
1665 if (*(skb->data + 3) == 0xFF) {
1666 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1667 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1668 return 0;
1669 }
1670 }
1671 return 13;
1672 }
1673
1674 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1675 struct ixgbe_ring *tx_ring,
1676 unsigned int size)
1677 {
1678 union ixgbe_adv_rx_desc *rx_desc;
1679 struct ixgbe_rx_buffer *rx_buffer_info;
1680 struct ixgbe_tx_buffer *tx_buffer_info;
1681 const int bufsz = rx_ring->rx_buf_len;
1682 u32 staterr;
1683 u16 rx_ntc, tx_ntc, count = 0;
1684
1685 /* initialize next to clean and descriptor values */
1686 rx_ntc = rx_ring->next_to_clean;
1687 tx_ntc = tx_ring->next_to_clean;
1688 rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1689 staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1690
1691 while (staterr & IXGBE_RXD_STAT_DD) {
1692 /* check Rx buffer */
1693 rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
1694
1695 /* unmap Rx buffer, will be remapped by alloc_rx_buffers */
1696 dma_unmap_single(rx_ring->dev,
1697 rx_buffer_info->dma,
1698 bufsz,
1699 DMA_FROM_DEVICE);
1700 rx_buffer_info->dma = 0;
1701
1702 /* verify contents of skb */
1703 if (!ixgbe_check_lbtest_frame(rx_buffer_info->skb, size))
1704 count++;
1705
1706 /* unmap buffer on Tx side */
1707 tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
1708 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info);
1709
1710 /* increment Rx/Tx next to clean counters */
1711 rx_ntc++;
1712 if (rx_ntc == rx_ring->count)
1713 rx_ntc = 0;
1714 tx_ntc++;
1715 if (tx_ntc == tx_ring->count)
1716 tx_ntc = 0;
1717
1718 /* fetch next descriptor */
1719 rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1720 staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1721 }
1722
1723 /* re-map buffers to ring, store next to clean values */
1724 ixgbe_alloc_rx_buffers(rx_ring, count);
1725 rx_ring->next_to_clean = rx_ntc;
1726 tx_ring->next_to_clean = tx_ntc;
1727
1728 return count;
1729 }
1730
1731 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1732 {
1733 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1734 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1735 int i, j, lc, good_cnt, ret_val = 0;
1736 unsigned int size = 1024;
1737 netdev_tx_t tx_ret_val;
1738 struct sk_buff *skb;
1739
1740 /* allocate test skb */
1741 skb = alloc_skb(size, GFP_KERNEL);
1742 if (!skb)
1743 return 11;
1744
1745 /* place data into test skb */
1746 ixgbe_create_lbtest_frame(skb, size);
1747 skb_put(skb, size);
1748
1749 /*
1750 * Calculate the loop count based on the largest descriptor ring
1751 * The idea is to wrap the largest ring a number of times using 64
1752 * send/receive pairs during each loop
1753 */
1754
1755 if (rx_ring->count <= tx_ring->count)
1756 lc = ((tx_ring->count / 64) * 2) + 1;
1757 else
1758 lc = ((rx_ring->count / 64) * 2) + 1;
1759
1760 for (j = 0; j <= lc; j++) {
1761 /* reset count of good packets */
1762 good_cnt = 0;
1763
1764 /* place 64 packets on the transmit queue*/
1765 for (i = 0; i < 64; i++) {
1766 skb_get(skb);
1767 tx_ret_val = ixgbe_xmit_frame_ring(skb,
1768 adapter,
1769 tx_ring);
1770 if (tx_ret_val == NETDEV_TX_OK)
1771 good_cnt++;
1772 }
1773
1774 if (good_cnt != 64) {
1775 ret_val = 12;
1776 break;
1777 }
1778
1779 /* allow 200 milliseconds for packets to go from Tx to Rx */
1780 msleep(200);
1781
1782 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
1783 if (good_cnt != 64) {
1784 ret_val = 13;
1785 break;
1786 }
1787 }
1788
1789 /* free the original skb */
1790 kfree_skb(skb);
1791
1792 return ret_val;
1793 }
1794
1795 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1796 {
1797 *data = ixgbe_setup_desc_rings(adapter);
1798 if (*data)
1799 goto out;
1800 *data = ixgbe_setup_loopback_test(adapter);
1801 if (*data)
1802 goto err_loopback;
1803 *data = ixgbe_run_loopback_test(adapter);
1804 ixgbe_loopback_cleanup(adapter);
1805
1806 err_loopback:
1807 ixgbe_free_desc_rings(adapter);
1808 out:
1809 return *data;
1810 }
1811
1812 static void ixgbe_diag_test(struct net_device *netdev,
1813 struct ethtool_test *eth_test, u64 *data)
1814 {
1815 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1816 bool if_running = netif_running(netdev);
1817
1818 set_bit(__IXGBE_TESTING, &adapter->state);
1819 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1820 /* Offline tests */
1821
1822 e_info(hw, "offline testing starting\n");
1823
1824 /* Link test performed before hardware reset so autoneg doesn't
1825 * interfere with test result */
1826 if (ixgbe_link_test(adapter, &data[4]))
1827 eth_test->flags |= ETH_TEST_FL_FAILED;
1828
1829 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1830 int i;
1831 for (i = 0; i < adapter->num_vfs; i++) {
1832 if (adapter->vfinfo[i].clear_to_send) {
1833 netdev_warn(netdev, "%s",
1834 "offline diagnostic is not "
1835 "supported when VFs are "
1836 "present\n");
1837 data[0] = 1;
1838 data[1] = 1;
1839 data[2] = 1;
1840 data[3] = 1;
1841 eth_test->flags |= ETH_TEST_FL_FAILED;
1842 clear_bit(__IXGBE_TESTING,
1843 &adapter->state);
1844 goto skip_ol_tests;
1845 }
1846 }
1847 }
1848
1849 if (if_running)
1850 /* indicate we're in test mode */
1851 dev_close(netdev);
1852 else
1853 ixgbe_reset(adapter);
1854
1855 e_info(hw, "register testing starting\n");
1856 if (ixgbe_reg_test(adapter, &data[0]))
1857 eth_test->flags |= ETH_TEST_FL_FAILED;
1858
1859 ixgbe_reset(adapter);
1860 e_info(hw, "eeprom testing starting\n");
1861 if (ixgbe_eeprom_test(adapter, &data[1]))
1862 eth_test->flags |= ETH_TEST_FL_FAILED;
1863
1864 ixgbe_reset(adapter);
1865 e_info(hw, "interrupt testing starting\n");
1866 if (ixgbe_intr_test(adapter, &data[2]))
1867 eth_test->flags |= ETH_TEST_FL_FAILED;
1868
1869 /* If SRIOV or VMDq is enabled then skip MAC
1870 * loopback diagnostic. */
1871 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1872 IXGBE_FLAG_VMDQ_ENABLED)) {
1873 e_info(hw, "Skip MAC loopback diagnostic in VT "
1874 "mode\n");
1875 data[3] = 0;
1876 goto skip_loopback;
1877 }
1878
1879 ixgbe_reset(adapter);
1880 e_info(hw, "loopback testing starting\n");
1881 if (ixgbe_loopback_test(adapter, &data[3]))
1882 eth_test->flags |= ETH_TEST_FL_FAILED;
1883
1884 skip_loopback:
1885 ixgbe_reset(adapter);
1886
1887 clear_bit(__IXGBE_TESTING, &adapter->state);
1888 if (if_running)
1889 dev_open(netdev);
1890 } else {
1891 e_info(hw, "online testing starting\n");
1892 /* Online tests */
1893 if (ixgbe_link_test(adapter, &data[4]))
1894 eth_test->flags |= ETH_TEST_FL_FAILED;
1895
1896 /* Online tests aren't run; pass by default */
1897 data[0] = 0;
1898 data[1] = 0;
1899 data[2] = 0;
1900 data[3] = 0;
1901
1902 clear_bit(__IXGBE_TESTING, &adapter->state);
1903 }
1904 skip_ol_tests:
1905 msleep_interruptible(4 * 1000);
1906 }
1907
1908 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1909 struct ethtool_wolinfo *wol)
1910 {
1911 struct ixgbe_hw *hw = &adapter->hw;
1912 int retval = 1;
1913
1914 /* WOL not supported except for the following */
1915 switch(hw->device_id) {
1916 case IXGBE_DEV_ID_82599_SFP:
1917 /* Only this subdevice supports WOL */
1918 if (hw->subsystem_device_id != IXGBE_SUBDEV_ID_82599_SFP) {
1919 wol->supported = 0;
1920 break;
1921 }
1922 retval = 0;
1923 break;
1924 case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
1925 /* All except this subdevice support WOL */
1926 if (hw->subsystem_device_id ==
1927 IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
1928 wol->supported = 0;
1929 break;
1930 }
1931 retval = 0;
1932 break;
1933 case IXGBE_DEV_ID_82599_KX4:
1934 retval = 0;
1935 break;
1936 default:
1937 wol->supported = 0;
1938 }
1939
1940 return retval;
1941 }
1942
1943 static void ixgbe_get_wol(struct net_device *netdev,
1944 struct ethtool_wolinfo *wol)
1945 {
1946 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1947
1948 wol->supported = WAKE_UCAST | WAKE_MCAST |
1949 WAKE_BCAST | WAKE_MAGIC;
1950 wol->wolopts = 0;
1951
1952 if (ixgbe_wol_exclusion(adapter, wol) ||
1953 !device_can_wakeup(&adapter->pdev->dev))
1954 return;
1955
1956 if (adapter->wol & IXGBE_WUFC_EX)
1957 wol->wolopts |= WAKE_UCAST;
1958 if (adapter->wol & IXGBE_WUFC_MC)
1959 wol->wolopts |= WAKE_MCAST;
1960 if (adapter->wol & IXGBE_WUFC_BC)
1961 wol->wolopts |= WAKE_BCAST;
1962 if (adapter->wol & IXGBE_WUFC_MAG)
1963 wol->wolopts |= WAKE_MAGIC;
1964 }
1965
1966 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1967 {
1968 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1969
1970 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1971 return -EOPNOTSUPP;
1972
1973 if (ixgbe_wol_exclusion(adapter, wol))
1974 return wol->wolopts ? -EOPNOTSUPP : 0;
1975
1976 adapter->wol = 0;
1977
1978 if (wol->wolopts & WAKE_UCAST)
1979 adapter->wol |= IXGBE_WUFC_EX;
1980 if (wol->wolopts & WAKE_MCAST)
1981 adapter->wol |= IXGBE_WUFC_MC;
1982 if (wol->wolopts & WAKE_BCAST)
1983 adapter->wol |= IXGBE_WUFC_BC;
1984 if (wol->wolopts & WAKE_MAGIC)
1985 adapter->wol |= IXGBE_WUFC_MAG;
1986
1987 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1988
1989 return 0;
1990 }
1991
1992 static int ixgbe_nway_reset(struct net_device *netdev)
1993 {
1994 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1995
1996 if (netif_running(netdev))
1997 ixgbe_reinit_locked(adapter);
1998
1999 return 0;
2000 }
2001
2002 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
2003 {
2004 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2005 struct ixgbe_hw *hw = &adapter->hw;
2006 u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2007 u32 i;
2008
2009 if (!data || data > 300)
2010 data = 300;
2011
2012 for (i = 0; i < (data * 1000); i += 400) {
2013 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
2014 msleep_interruptible(200);
2015 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
2016 msleep_interruptible(200);
2017 }
2018
2019 /* Restore LED settings */
2020 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
2021
2022 return 0;
2023 }
2024
2025 static int ixgbe_get_coalesce(struct net_device *netdev,
2026 struct ethtool_coalesce *ec)
2027 {
2028 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2029
2030 ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0]->work_limit;
2031
2032 /* only valid if in constant ITR mode */
2033 switch (adapter->rx_itr_setting) {
2034 case 0:
2035 /* throttling disabled */
2036 ec->rx_coalesce_usecs = 0;
2037 break;
2038 case 1:
2039 /* dynamic ITR mode */
2040 ec->rx_coalesce_usecs = 1;
2041 break;
2042 default:
2043 /* fixed interrupt rate mode */
2044 ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param;
2045 break;
2046 }
2047
2048 /* if in mixed tx/rx queues per vector mode, report only rx settings */
2049 if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count)
2050 return 0;
2051
2052 /* only valid if in constant ITR mode */
2053 switch (adapter->tx_itr_setting) {
2054 case 0:
2055 /* throttling disabled */
2056 ec->tx_coalesce_usecs = 0;
2057 break;
2058 case 1:
2059 /* dynamic ITR mode */
2060 ec->tx_coalesce_usecs = 1;
2061 break;
2062 default:
2063 ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param;
2064 break;
2065 }
2066
2067 return 0;
2068 }
2069
2070 /*
2071 * this function must be called before setting the new value of
2072 * rx_itr_setting
2073 */
2074 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter,
2075 struct ethtool_coalesce *ec)
2076 {
2077 struct net_device *netdev = adapter->netdev;
2078
2079 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
2080 return false;
2081
2082 /* if interrupt rate is too high then disable RSC */
2083 if (ec->rx_coalesce_usecs != 1 &&
2084 ec->rx_coalesce_usecs <= 1000000/IXGBE_MAX_RSC_INT_RATE) {
2085 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2086 e_info(probe, "rx-usecs set too low, "
2087 "disabling RSC\n");
2088 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2089 return true;
2090 }
2091 } else {
2092 /* check the feature flag value and enable RSC if necessary */
2093 if ((netdev->features & NETIF_F_LRO) &&
2094 !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2095 e_info(probe, "rx-usecs set to %d, "
2096 "re-enabling RSC\n",
2097 ec->rx_coalesce_usecs);
2098 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2099 return true;
2100 }
2101 }
2102 return false;
2103 }
2104
2105 static int ixgbe_set_coalesce(struct net_device *netdev,
2106 struct ethtool_coalesce *ec)
2107 {
2108 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2109 struct ixgbe_q_vector *q_vector;
2110 int i;
2111 bool need_reset = false;
2112
2113 /* don't accept tx specific changes if we've got mixed RxTx vectors */
2114 if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count
2115 && ec->tx_coalesce_usecs)
2116 return -EINVAL;
2117
2118 if (ec->tx_max_coalesced_frames_irq)
2119 adapter->tx_ring[0]->work_limit = ec->tx_max_coalesced_frames_irq;
2120
2121 if (ec->rx_coalesce_usecs > 1) {
2122 /* check the limits */
2123 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2124 (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2125 return -EINVAL;
2126
2127 /* check the old value and enable RSC if necessary */
2128 need_reset = ixgbe_update_rsc(adapter, ec);
2129
2130 /* store the value in ints/second */
2131 adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
2132
2133 /* static value of interrupt rate */
2134 adapter->rx_itr_setting = adapter->rx_eitr_param;
2135 /* clear the lower bit as its used for dynamic state */
2136 adapter->rx_itr_setting &= ~1;
2137 } else if (ec->rx_coalesce_usecs == 1) {
2138 /* check the old value and enable RSC if necessary */
2139 need_reset = ixgbe_update_rsc(adapter, ec);
2140
2141 /* 1 means dynamic mode */
2142 adapter->rx_eitr_param = 20000;
2143 adapter->rx_itr_setting = 1;
2144 } else {
2145 /* check the old value and enable RSC if necessary */
2146 need_reset = ixgbe_update_rsc(adapter, ec);
2147 /*
2148 * any other value means disable eitr, which is best
2149 * served by setting the interrupt rate very high
2150 */
2151 adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
2152 adapter->rx_itr_setting = 0;
2153 }
2154
2155 if (ec->tx_coalesce_usecs > 1) {
2156 /*
2157 * don't have to worry about max_int as above because
2158 * tx vectors don't do hardware RSC (an rx function)
2159 */
2160 /* check the limits */
2161 if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2162 (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2163 return -EINVAL;
2164
2165 /* store the value in ints/second */
2166 adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs;
2167
2168 /* static value of interrupt rate */
2169 adapter->tx_itr_setting = adapter->tx_eitr_param;
2170
2171 /* clear the lower bit as its used for dynamic state */
2172 adapter->tx_itr_setting &= ~1;
2173 } else if (ec->tx_coalesce_usecs == 1) {
2174 /* 1 means dynamic mode */
2175 adapter->tx_eitr_param = 10000;
2176 adapter->tx_itr_setting = 1;
2177 } else {
2178 adapter->tx_eitr_param = IXGBE_MAX_INT_RATE;
2179 adapter->tx_itr_setting = 0;
2180 }
2181
2182 /* MSI/MSIx Interrupt Mode */
2183 if (adapter->flags &
2184 (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) {
2185 int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2186 for (i = 0; i < num_vectors; i++) {
2187 q_vector = adapter->q_vector[i];
2188 if (q_vector->txr_count && !q_vector->rxr_count)
2189 /* tx only */
2190 q_vector->eitr = adapter->tx_eitr_param;
2191 else
2192 /* rx only or mixed */
2193 q_vector->eitr = adapter->rx_eitr_param;
2194 ixgbe_write_eitr(q_vector);
2195 }
2196 /* Legacy Interrupt Mode */
2197 } else {
2198 q_vector = adapter->q_vector[0];
2199 q_vector->eitr = adapter->rx_eitr_param;
2200 ixgbe_write_eitr(q_vector);
2201 }
2202
2203 /*
2204 * do reset here at the end to make sure EITR==0 case is handled
2205 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2206 * also locks in RSC enable/disable which requires reset
2207 */
2208 if (need_reset) {
2209 if (netif_running(netdev))
2210 ixgbe_reinit_locked(adapter);
2211 else
2212 ixgbe_reset(adapter);
2213 }
2214
2215 return 0;
2216 }
2217
2218 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2219 {
2220 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2221 bool need_reset = false;
2222 int rc;
2223
2224 #ifdef CONFIG_IXGBE_DCB
2225 if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
2226 !(data & ETH_FLAG_RXVLAN))
2227 return -EINVAL;
2228 #endif
2229
2230 need_reset = (data & ETH_FLAG_RXVLAN) !=
2231 (netdev->features & NETIF_F_HW_VLAN_RX);
2232
2233 rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO | ETH_FLAG_NTUPLE |
2234 ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN);
2235 if (rc)
2236 return rc;
2237
2238 /* if state changes we need to update adapter->flags and reset */
2239 if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) &&
2240 (!!(data & ETH_FLAG_LRO) !=
2241 !!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) {
2242 if ((data & ETH_FLAG_LRO) &&
2243 (!adapter->rx_itr_setting ||
2244 (adapter->rx_itr_setting > IXGBE_MAX_RSC_INT_RATE))) {
2245 e_info(probe, "rx-usecs set too low, "
2246 "not enabling RSC.\n");
2247 } else {
2248 adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
2249 switch (adapter->hw.mac.type) {
2250 case ixgbe_mac_82599EB:
2251 need_reset = true;
2252 break;
2253 case ixgbe_mac_X540: {
2254 int i;
2255 for (i = 0; i < adapter->num_rx_queues; i++) {
2256 struct ixgbe_ring *ring =
2257 adapter->rx_ring[i];
2258 if (adapter->flags2 &
2259 IXGBE_FLAG2_RSC_ENABLED) {
2260 ixgbe_configure_rscctl(adapter,
2261 ring);
2262 } else {
2263 ixgbe_clear_rscctl(adapter,
2264 ring);
2265 }
2266 }
2267 }
2268 break;
2269 default:
2270 break;
2271 }
2272 }
2273 }
2274
2275 /*
2276 * Check if Flow Director n-tuple support was enabled or disabled. If
2277 * the state changed, we need to reset.
2278 */
2279 if ((adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) &&
2280 (!(data & ETH_FLAG_NTUPLE))) {
2281 /* turn off Flow Director perfect, set hash and reset */
2282 adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2283 adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
2284 need_reset = true;
2285 } else if ((!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) &&
2286 (data & ETH_FLAG_NTUPLE)) {
2287 /* turn off Flow Director hash, enable perfect and reset */
2288 adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
2289 adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2290 need_reset = true;
2291 } else {
2292 /* no state change */
2293 }
2294
2295 if (need_reset) {
2296 if (netif_running(netdev))
2297 ixgbe_reinit_locked(adapter);
2298 else
2299 ixgbe_reset(adapter);
2300 }
2301
2302 return 0;
2303 }
2304
2305 static int ixgbe_set_rx_ntuple(struct net_device *dev,
2306 struct ethtool_rx_ntuple *cmd)
2307 {
2308 struct ixgbe_adapter *adapter = netdev_priv(dev);
2309 struct ethtool_rx_ntuple_flow_spec *fs = &cmd->fs;
2310 union ixgbe_atr_input input_struct;
2311 struct ixgbe_atr_input_masks input_masks;
2312 int target_queue;
2313 int err;
2314
2315 if (adapter->hw.mac.type == ixgbe_mac_82598EB)
2316 return -EOPNOTSUPP;
2317
2318 /*
2319 * Don't allow programming if the action is a queue greater than
2320 * the number of online Tx queues.
2321 */
2322 if ((fs->action >= adapter->num_tx_queues) ||
2323 (fs->action < ETHTOOL_RXNTUPLE_ACTION_DROP))
2324 return -EINVAL;
2325
2326 memset(&input_struct, 0, sizeof(union ixgbe_atr_input));
2327 memset(&input_masks, 0, sizeof(struct ixgbe_atr_input_masks));
2328
2329 /* record flow type */
2330 switch (fs->flow_type) {
2331 case IPV4_FLOW:
2332 input_struct.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2333 break;
2334 case TCP_V4_FLOW:
2335 input_struct.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2336 break;
2337 case UDP_V4_FLOW:
2338 input_struct.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2339 break;
2340 case SCTP_V4_FLOW:
2341 input_struct.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2342 break;
2343 default:
2344 return -1;
2345 }
2346
2347 /* copy vlan tag minus the CFI bit */
2348 if ((fs->vlan_tag & 0xEFFF) || (~fs->vlan_tag_mask & 0xEFFF)) {
2349 input_struct.formatted.vlan_id = htons(fs->vlan_tag & 0xEFFF);
2350 if (!fs->vlan_tag_mask) {
2351 input_masks.vlan_id_mask = htons(0xEFFF);
2352 } else {
2353 switch (~fs->vlan_tag_mask & 0xEFFF) {
2354 /* all of these are valid vlan-mask values */
2355 case 0xEFFF:
2356 case 0xE000:
2357 case 0x0FFF:
2358 case 0x0000:
2359 input_masks.vlan_id_mask =
2360 htons(~fs->vlan_tag_mask);
2361 break;
2362 /* exit with error if vlan-mask is invalid */
2363 default:
2364 e_err(drv, "Partial VLAN ID or "
2365 "priority mask in vlan-mask is not "
2366 "supported by hardware\n");
2367 return -1;
2368 }
2369 }
2370 }
2371
2372 /* make sure we only use the first 2 bytes of user data */
2373 if ((fs->data & 0xFFFF) || (~fs->data_mask & 0xFFFF)) {
2374 input_struct.formatted.flex_bytes = htons(fs->data & 0xFFFF);
2375 if (!(fs->data_mask & 0xFFFF)) {
2376 input_masks.flex_mask = 0xFFFF;
2377 } else if (~fs->data_mask & 0xFFFF) {
2378 e_err(drv, "Partial user-def-mask is not "
2379 "supported by hardware\n");
2380 return -1;
2381 }
2382 }
2383
2384 /*
2385 * Copy input into formatted structures
2386 *
2387 * These assignments are based on the following logic
2388 * If neither input or mask are set assume value is masked out.
2389 * If input is set, but mask is not mask should default to accept all.
2390 * If input is not set, but mask is set then mask likely results in 0.
2391 * If input is set and mask is set then assign both.
2392 */
2393 if (fs->h_u.tcp_ip4_spec.ip4src || ~fs->m_u.tcp_ip4_spec.ip4src) {
2394 input_struct.formatted.src_ip[0] = fs->h_u.tcp_ip4_spec.ip4src;
2395 if (!fs->m_u.tcp_ip4_spec.ip4src)
2396 input_masks.src_ip_mask[0] = 0xFFFFFFFF;
2397 else
2398 input_masks.src_ip_mask[0] =
2399 ~fs->m_u.tcp_ip4_spec.ip4src;
2400 }
2401 if (fs->h_u.tcp_ip4_spec.ip4dst || ~fs->m_u.tcp_ip4_spec.ip4dst) {
2402 input_struct.formatted.dst_ip[0] = fs->h_u.tcp_ip4_spec.ip4dst;
2403 if (!fs->m_u.tcp_ip4_spec.ip4dst)
2404 input_masks.dst_ip_mask[0] = 0xFFFFFFFF;
2405 else
2406 input_masks.dst_ip_mask[0] =
2407 ~fs->m_u.tcp_ip4_spec.ip4dst;
2408 }
2409 if (fs->h_u.tcp_ip4_spec.psrc || ~fs->m_u.tcp_ip4_spec.psrc) {
2410 input_struct.formatted.src_port = fs->h_u.tcp_ip4_spec.psrc;
2411 if (!fs->m_u.tcp_ip4_spec.psrc)
2412 input_masks.src_port_mask = 0xFFFF;
2413 else
2414 input_masks.src_port_mask = ~fs->m_u.tcp_ip4_spec.psrc;
2415 }
2416 if (fs->h_u.tcp_ip4_spec.pdst || ~fs->m_u.tcp_ip4_spec.pdst) {
2417 input_struct.formatted.dst_port = fs->h_u.tcp_ip4_spec.pdst;
2418 if (!fs->m_u.tcp_ip4_spec.pdst)
2419 input_masks.dst_port_mask = 0xFFFF;
2420 else
2421 input_masks.dst_port_mask = ~fs->m_u.tcp_ip4_spec.pdst;
2422 }
2423
2424 /* determine if we need to drop or route the packet */
2425 if (fs->action == ETHTOOL_RXNTUPLE_ACTION_DROP)
2426 target_queue = MAX_RX_QUEUES - 1;
2427 else
2428 target_queue = fs->action;
2429
2430 spin_lock(&adapter->fdir_perfect_lock);
2431 err = ixgbe_fdir_add_perfect_filter_82599(&adapter->hw,
2432 &input_struct,
2433 &input_masks, 0,
2434 target_queue);
2435 spin_unlock(&adapter->fdir_perfect_lock);
2436
2437 return err ? -1 : 0;
2438 }
2439
2440 static const struct ethtool_ops ixgbe_ethtool_ops = {
2441 .get_settings = ixgbe_get_settings,
2442 .set_settings = ixgbe_set_settings,
2443 .get_drvinfo = ixgbe_get_drvinfo,
2444 .get_regs_len = ixgbe_get_regs_len,
2445 .get_regs = ixgbe_get_regs,
2446 .get_wol = ixgbe_get_wol,
2447 .set_wol = ixgbe_set_wol,
2448 .nway_reset = ixgbe_nway_reset,
2449 .get_link = ethtool_op_get_link,
2450 .get_eeprom_len = ixgbe_get_eeprom_len,
2451 .get_eeprom = ixgbe_get_eeprom,
2452 .get_ringparam = ixgbe_get_ringparam,
2453 .set_ringparam = ixgbe_set_ringparam,
2454 .get_pauseparam = ixgbe_get_pauseparam,
2455 .set_pauseparam = ixgbe_set_pauseparam,
2456 .get_rx_csum = ixgbe_get_rx_csum,
2457 .set_rx_csum = ixgbe_set_rx_csum,
2458 .get_tx_csum = ixgbe_get_tx_csum,
2459 .set_tx_csum = ixgbe_set_tx_csum,
2460 .get_sg = ethtool_op_get_sg,
2461 .set_sg = ethtool_op_set_sg,
2462 .get_msglevel = ixgbe_get_msglevel,
2463 .set_msglevel = ixgbe_set_msglevel,
2464 .get_tso = ethtool_op_get_tso,
2465 .set_tso = ixgbe_set_tso,
2466 .self_test = ixgbe_diag_test,
2467 .get_strings = ixgbe_get_strings,
2468 .phys_id = ixgbe_phys_id,
2469 .get_sset_count = ixgbe_get_sset_count,
2470 .get_ethtool_stats = ixgbe_get_ethtool_stats,
2471 .get_coalesce = ixgbe_get_coalesce,
2472 .set_coalesce = ixgbe_set_coalesce,
2473 .get_flags = ethtool_op_get_flags,
2474 .set_flags = ixgbe_set_flags,
2475 .set_rx_ntuple = ixgbe_set_rx_ntuple,
2476 };
2477
2478 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2479 {
2480 SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2481 }
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