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1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4/* ethtool support for ixgbe */
5
6#include <linux/interrupt.h>
7#include <linux/types.h>
8#include <linux/module.h>
9#include <linux/slab.h>
10#include <linux/pci.h>
11#include <linux/netdevice.h>
12#include <linux/ethtool.h>
13#include <linux/vmalloc.h>
14#include <linux/highmem.h>
15#include <linux/uaccess.h>
16
17#include "ixgbe.h"
18#include "ixgbe_phy.h"
19
20
21enum {NETDEV_STATS, IXGBE_STATS};
22
23struct ixgbe_stats {
24 char stat_string[ETH_GSTRING_LEN];
25 int type;
26 int sizeof_stat;
27 int stat_offset;
28};
29
30#define IXGBE_STAT(m) IXGBE_STATS, \
31 sizeof(((struct ixgbe_adapter *)0)->m), \
32 offsetof(struct ixgbe_adapter, m)
33#define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
34 sizeof(((struct rtnl_link_stats64 *)0)->m), \
35 offsetof(struct rtnl_link_stats64, m)
36
37static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
38 {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
39 {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
40 {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
41 {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
42 {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
43 {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
44 {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
45 {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
46 {"lsc_int", IXGBE_STAT(lsc_int)},
47 {"tx_busy", IXGBE_STAT(tx_busy)},
48 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
49 {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
50 {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
51 {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
52 {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
53 {"multicast", IXGBE_NETDEV_STAT(multicast)},
54 {"broadcast", IXGBE_STAT(stats.bprc)},
55 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
56 {"collisions", IXGBE_NETDEV_STAT(collisions)},
57 {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
58 {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
59 {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
60 {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
61 {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
62 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
63 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
64 {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
65 {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
66 {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
67 {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
68 {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
69 {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
70 {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
71 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
72 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
73 {"rx_length_errors", IXGBE_STAT(stats.rlec)},
74 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
75 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
76 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
77 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
78 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
79 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
80 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
81 {"alloc_rx_page", IXGBE_STAT(alloc_rx_page)},
82 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
83 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
84 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
85 {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
86 {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
87 {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
88 {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
89 {"tx_hwtstamp_timeouts", IXGBE_STAT(tx_hwtstamp_timeouts)},
90 {"tx_hwtstamp_skipped", IXGBE_STAT(tx_hwtstamp_skipped)},
91 {"rx_hwtstamp_cleared", IXGBE_STAT(rx_hwtstamp_cleared)},
92 {"tx_ipsec", IXGBE_STAT(tx_ipsec)},
93 {"rx_ipsec", IXGBE_STAT(rx_ipsec)},
94#ifdef IXGBE_FCOE
95 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
96 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
97 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
98 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
99 {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
100 {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
101 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
102 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
103#endif /* IXGBE_FCOE */
104};
105
106/* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
107 * we set the num_rx_queues to evaluate to num_tx_queues. This is
108 * used because we do not have a good way to get the max number of
109 * rx queues with CONFIG_RPS disabled.
110 */
111#define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
112
113#define IXGBE_QUEUE_STATS_LEN ( \
114 (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
115 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
116#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
117#define IXGBE_PB_STATS_LEN ( \
118 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
119 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
120 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
121 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
122 / sizeof(u64))
123#define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
124 IXGBE_PB_STATS_LEN + \
125 IXGBE_QUEUE_STATS_LEN)
126
127static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
128 "Register test (offline)", "Eeprom test (offline)",
129 "Interrupt test (offline)", "Loopback test (offline)",
130 "Link test (on/offline)"
131};
132#define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
133
134static const char ixgbe_priv_flags_strings[][ETH_GSTRING_LEN] = {
135#define IXGBE_PRIV_FLAGS_LEGACY_RX BIT(0)
136 "legacy-rx",
137#define IXGBE_PRIV_FLAGS_VF_IPSEC_EN BIT(1)
138 "vf-ipsec",
139#define IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF BIT(2)
140 "mdd-disable-vf",
141};
142
143#define IXGBE_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbe_priv_flags_strings)
144
145#define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane)
146
147static void ixgbe_set_supported_10gtypes(struct ixgbe_hw *hw,
148 struct ethtool_link_ksettings *cmd)
149{
150 if (!ixgbe_isbackplane(hw->phy.media_type)) {
151 ethtool_link_ksettings_add_link_mode(cmd, supported,
152 10000baseT_Full);
153 return;
154 }
155
156 switch (hw->device_id) {
157 case IXGBE_DEV_ID_82598:
158 case IXGBE_DEV_ID_82599_KX4:
159 case IXGBE_DEV_ID_82599_KX4_MEZZ:
160 case IXGBE_DEV_ID_X550EM_X_KX4:
161 ethtool_link_ksettings_add_link_mode
162 (cmd, supported, 10000baseKX4_Full);
163 break;
164 case IXGBE_DEV_ID_82598_BX:
165 case IXGBE_DEV_ID_82599_KR:
166 case IXGBE_DEV_ID_X550EM_X_KR:
167 case IXGBE_DEV_ID_X550EM_X_XFI:
168 ethtool_link_ksettings_add_link_mode
169 (cmd, supported, 10000baseKR_Full);
170 break;
171 default:
172 ethtool_link_ksettings_add_link_mode
173 (cmd, supported, 10000baseKX4_Full);
174 ethtool_link_ksettings_add_link_mode
175 (cmd, supported, 10000baseKR_Full);
176 break;
177 }
178}
179
180static void ixgbe_set_advertising_10gtypes(struct ixgbe_hw *hw,
181 struct ethtool_link_ksettings *cmd)
182{
183 if (!ixgbe_isbackplane(hw->phy.media_type)) {
184 ethtool_link_ksettings_add_link_mode(cmd, advertising,
185 10000baseT_Full);
186 return;
187 }
188
189 switch (hw->device_id) {
190 case IXGBE_DEV_ID_82598:
191 case IXGBE_DEV_ID_82599_KX4:
192 case IXGBE_DEV_ID_82599_KX4_MEZZ:
193 case IXGBE_DEV_ID_X550EM_X_KX4:
194 ethtool_link_ksettings_add_link_mode
195 (cmd, advertising, 10000baseKX4_Full);
196 break;
197 case IXGBE_DEV_ID_82598_BX:
198 case IXGBE_DEV_ID_82599_KR:
199 case IXGBE_DEV_ID_X550EM_X_KR:
200 case IXGBE_DEV_ID_X550EM_X_XFI:
201 ethtool_link_ksettings_add_link_mode
202 (cmd, advertising, 10000baseKR_Full);
203 break;
204 default:
205 ethtool_link_ksettings_add_link_mode
206 (cmd, advertising, 10000baseKX4_Full);
207 ethtool_link_ksettings_add_link_mode
208 (cmd, advertising, 10000baseKR_Full);
209 break;
210 }
211}
212
213static int ixgbe_get_link_ksettings(struct net_device *netdev,
214 struct ethtool_link_ksettings *cmd)
215{
216 struct ixgbe_adapter *adapter = netdev_priv(netdev);
217 struct ixgbe_hw *hw = &adapter->hw;
218 ixgbe_link_speed supported_link;
219 bool autoneg = false;
220
221 ethtool_link_ksettings_zero_link_mode(cmd, supported);
222 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
223
224 hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
225
226 /* set the supported link speeds */
227 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) {
228 ixgbe_set_supported_10gtypes(hw, cmd);
229 ixgbe_set_advertising_10gtypes(hw, cmd);
230 }
231 if (supported_link & IXGBE_LINK_SPEED_5GB_FULL)
232 ethtool_link_ksettings_add_link_mode(cmd, supported,
233 5000baseT_Full);
234
235 if (supported_link & IXGBE_LINK_SPEED_2_5GB_FULL)
236 ethtool_link_ksettings_add_link_mode(cmd, supported,
237 2500baseT_Full);
238
239 if (supported_link & IXGBE_LINK_SPEED_1GB_FULL) {
240 if (ixgbe_isbackplane(hw->phy.media_type)) {
241 ethtool_link_ksettings_add_link_mode(cmd, supported,
242 1000baseKX_Full);
243 ethtool_link_ksettings_add_link_mode(cmd, advertising,
244 1000baseKX_Full);
245 } else {
246 ethtool_link_ksettings_add_link_mode(cmd, supported,
247 1000baseT_Full);
248 ethtool_link_ksettings_add_link_mode(cmd, advertising,
249 1000baseT_Full);
250 }
251 }
252 if (supported_link & IXGBE_LINK_SPEED_100_FULL) {
253 ethtool_link_ksettings_add_link_mode(cmd, supported,
254 100baseT_Full);
255 ethtool_link_ksettings_add_link_mode(cmd, advertising,
256 100baseT_Full);
257 }
258 if (supported_link & IXGBE_LINK_SPEED_10_FULL) {
259 ethtool_link_ksettings_add_link_mode(cmd, supported,
260 10baseT_Full);
261 ethtool_link_ksettings_add_link_mode(cmd, advertising,
262 10baseT_Full);
263 }
264
265 /* set the advertised speeds */
266 if (hw->phy.autoneg_advertised) {
267 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
268 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10_FULL)
269 ethtool_link_ksettings_add_link_mode(cmd, advertising,
270 10baseT_Full);
271 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
272 ethtool_link_ksettings_add_link_mode(cmd, advertising,
273 100baseT_Full);
274 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
275 ixgbe_set_advertising_10gtypes(hw, cmd);
276 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) {
277 if (ethtool_link_ksettings_test_link_mode
278 (cmd, supported, 1000baseKX_Full))
279 ethtool_link_ksettings_add_link_mode
280 (cmd, advertising, 1000baseKX_Full);
281 else
282 ethtool_link_ksettings_add_link_mode
283 (cmd, advertising, 1000baseT_Full);
284 }
285 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_5GB_FULL)
286 ethtool_link_ksettings_add_link_mode(cmd, advertising,
287 5000baseT_Full);
288 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
289 ethtool_link_ksettings_add_link_mode(cmd, advertising,
290 2500baseT_Full);
291 } else {
292 if (hw->phy.multispeed_fiber && !autoneg) {
293 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
294 ethtool_link_ksettings_add_link_mode
295 (cmd, advertising, 10000baseT_Full);
296 }
297 }
298
299 if (autoneg) {
300 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
301 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
302 cmd->base.autoneg = AUTONEG_ENABLE;
303 } else
304 cmd->base.autoneg = AUTONEG_DISABLE;
305
306 /* Determine the remaining settings based on the PHY type. */
307 switch (adapter->hw.phy.type) {
308 case ixgbe_phy_tn:
309 case ixgbe_phy_aq:
310 case ixgbe_phy_x550em_ext_t:
311 case ixgbe_phy_fw:
312 case ixgbe_phy_cu_unknown:
313 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
314 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
315 cmd->base.port = PORT_TP;
316 break;
317 case ixgbe_phy_qt:
318 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
319 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
320 cmd->base.port = PORT_FIBRE;
321 break;
322 case ixgbe_phy_nl:
323 case ixgbe_phy_sfp_passive_tyco:
324 case ixgbe_phy_sfp_passive_unknown:
325 case ixgbe_phy_sfp_ftl:
326 case ixgbe_phy_sfp_avago:
327 case ixgbe_phy_sfp_intel:
328 case ixgbe_phy_sfp_unknown:
329 case ixgbe_phy_qsfp_passive_unknown:
330 case ixgbe_phy_qsfp_active_unknown:
331 case ixgbe_phy_qsfp_intel:
332 case ixgbe_phy_qsfp_unknown:
333 /* SFP+ devices, further checking needed */
334 switch (adapter->hw.phy.sfp_type) {
335 case ixgbe_sfp_type_da_cu:
336 case ixgbe_sfp_type_da_cu_core0:
337 case ixgbe_sfp_type_da_cu_core1:
338 ethtool_link_ksettings_add_link_mode(cmd, supported,
339 FIBRE);
340 ethtool_link_ksettings_add_link_mode(cmd, advertising,
341 FIBRE);
342 cmd->base.port = PORT_DA;
343 break;
344 case ixgbe_sfp_type_sr:
345 case ixgbe_sfp_type_lr:
346 case ixgbe_sfp_type_srlr_core0:
347 case ixgbe_sfp_type_srlr_core1:
348 case ixgbe_sfp_type_1g_sx_core0:
349 case ixgbe_sfp_type_1g_sx_core1:
350 case ixgbe_sfp_type_1g_lx_core0:
351 case ixgbe_sfp_type_1g_lx_core1:
352 ethtool_link_ksettings_add_link_mode(cmd, supported,
353 FIBRE);
354 ethtool_link_ksettings_add_link_mode(cmd, advertising,
355 FIBRE);
356 cmd->base.port = PORT_FIBRE;
357 break;
358 case ixgbe_sfp_type_not_present:
359 ethtool_link_ksettings_add_link_mode(cmd, supported,
360 FIBRE);
361 ethtool_link_ksettings_add_link_mode(cmd, advertising,
362 FIBRE);
363 cmd->base.port = PORT_NONE;
364 break;
365 case ixgbe_sfp_type_1g_cu_core0:
366 case ixgbe_sfp_type_1g_cu_core1:
367 ethtool_link_ksettings_add_link_mode(cmd, supported,
368 TP);
369 ethtool_link_ksettings_add_link_mode(cmd, advertising,
370 TP);
371 cmd->base.port = PORT_TP;
372 break;
373 case ixgbe_sfp_type_unknown:
374 default:
375 ethtool_link_ksettings_add_link_mode(cmd, supported,
376 FIBRE);
377 ethtool_link_ksettings_add_link_mode(cmd, advertising,
378 FIBRE);
379 cmd->base.port = PORT_OTHER;
380 break;
381 }
382 break;
383 case ixgbe_phy_xaui:
384 ethtool_link_ksettings_add_link_mode(cmd, supported,
385 FIBRE);
386 ethtool_link_ksettings_add_link_mode(cmd, advertising,
387 FIBRE);
388 cmd->base.port = PORT_NONE;
389 break;
390 case ixgbe_phy_unknown:
391 case ixgbe_phy_generic:
392 case ixgbe_phy_sfp_unsupported:
393 default:
394 ethtool_link_ksettings_add_link_mode(cmd, supported,
395 FIBRE);
396 ethtool_link_ksettings_add_link_mode(cmd, advertising,
397 FIBRE);
398 cmd->base.port = PORT_OTHER;
399 break;
400 }
401
402 /* Indicate pause support */
403 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
404
405 switch (hw->fc.requested_mode) {
406 case ixgbe_fc_full:
407 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
408 break;
409 case ixgbe_fc_rx_pause:
410 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
411 ethtool_link_ksettings_add_link_mode(cmd, advertising,
412 Asym_Pause);
413 break;
414 case ixgbe_fc_tx_pause:
415 ethtool_link_ksettings_add_link_mode(cmd, advertising,
416 Asym_Pause);
417 break;
418 default:
419 ethtool_link_ksettings_del_link_mode(cmd, advertising, Pause);
420 ethtool_link_ksettings_del_link_mode(cmd, advertising,
421 Asym_Pause);
422 }
423
424 if (netif_carrier_ok(netdev)) {
425 switch (adapter->link_speed) {
426 case IXGBE_LINK_SPEED_10GB_FULL:
427 cmd->base.speed = SPEED_10000;
428 break;
429 case IXGBE_LINK_SPEED_5GB_FULL:
430 cmd->base.speed = SPEED_5000;
431 break;
432 case IXGBE_LINK_SPEED_2_5GB_FULL:
433 cmd->base.speed = SPEED_2500;
434 break;
435 case IXGBE_LINK_SPEED_1GB_FULL:
436 cmd->base.speed = SPEED_1000;
437 break;
438 case IXGBE_LINK_SPEED_100_FULL:
439 cmd->base.speed = SPEED_100;
440 break;
441 case IXGBE_LINK_SPEED_10_FULL:
442 cmd->base.speed = SPEED_10;
443 break;
444 default:
445 break;
446 }
447 cmd->base.duplex = DUPLEX_FULL;
448 } else {
449 cmd->base.speed = SPEED_UNKNOWN;
450 cmd->base.duplex = DUPLEX_UNKNOWN;
451 }
452
453 return 0;
454}
455
456static int ixgbe_set_link_ksettings(struct net_device *netdev,
457 const struct ethtool_link_ksettings *cmd)
458{
459 struct ixgbe_adapter *adapter = netdev_priv(netdev);
460 struct ixgbe_hw *hw = &adapter->hw;
461 u32 advertised, old;
462 s32 err = 0;
463
464 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
465 (hw->phy.multispeed_fiber)) {
466 /*
467 * this function does not support duplex forcing, but can
468 * limit the advertising of the adapter to the specified speed
469 */
470 if (!linkmode_subset(cmd->link_modes.advertising,
471 cmd->link_modes.supported))
472 return -EINVAL;
473
474 /* only allow one speed at a time if no autoneg */
475 if (!cmd->base.autoneg && hw->phy.multispeed_fiber) {
476 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
477 10000baseT_Full) &&
478 ethtool_link_ksettings_test_link_mode(cmd, advertising,
479 1000baseT_Full))
480 return -EINVAL;
481 }
482
483 old = hw->phy.autoneg_advertised;
484 advertised = 0;
485 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
486 10000baseT_Full))
487 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
488 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
489 5000baseT_Full))
490 advertised |= IXGBE_LINK_SPEED_5GB_FULL;
491 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
492 2500baseT_Full))
493 advertised |= IXGBE_LINK_SPEED_2_5GB_FULL;
494 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
495 1000baseT_Full))
496 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
497
498 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
499 100baseT_Full))
500 advertised |= IXGBE_LINK_SPEED_100_FULL;
501
502 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
503 10baseT_Full))
504 advertised |= IXGBE_LINK_SPEED_10_FULL;
505
506 if (old == advertised)
507 return err;
508 /* this sets the link speed and restarts auto-neg */
509 while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
510 usleep_range(1000, 2000);
511
512 hw->mac.autotry_restart = true;
513 err = hw->mac.ops.setup_link(hw, advertised, true);
514 if (err) {
515 e_info(probe, "setup link failed with code %d\n", err);
516 hw->mac.ops.setup_link(hw, old, true);
517 }
518 clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
519 } else {
520 /* in this case we currently only support 10Gb/FULL */
521 u32 speed = cmd->base.speed;
522
523 if ((cmd->base.autoneg == AUTONEG_ENABLE) ||
524 (!ethtool_link_ksettings_test_link_mode(cmd, advertising,
525 10000baseT_Full)) ||
526 (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
527 return -EINVAL;
528 }
529
530 return err;
531}
532
533static void ixgbe_get_pause_stats(struct net_device *netdev,
534 struct ethtool_pause_stats *stats)
535{
536 struct ixgbe_adapter *adapter = netdev_priv(netdev);
537 struct ixgbe_hw_stats *hwstats = &adapter->stats;
538
539 stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc;
540 stats->rx_pause_frames = hwstats->lxonrxc + hwstats->lxoffrxc;
541}
542
543static void ixgbe_get_pauseparam(struct net_device *netdev,
544 struct ethtool_pauseparam *pause)
545{
546 struct ixgbe_adapter *adapter = netdev_priv(netdev);
547 struct ixgbe_hw *hw = &adapter->hw;
548
549 if (ixgbe_device_supports_autoneg_fc(hw) &&
550 !hw->fc.disable_fc_autoneg)
551 pause->autoneg = 1;
552 else
553 pause->autoneg = 0;
554
555 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
556 pause->rx_pause = 1;
557 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
558 pause->tx_pause = 1;
559 } else if (hw->fc.current_mode == ixgbe_fc_full) {
560 pause->rx_pause = 1;
561 pause->tx_pause = 1;
562 }
563}
564
565static int ixgbe_set_pauseparam(struct net_device *netdev,
566 struct ethtool_pauseparam *pause)
567{
568 struct ixgbe_adapter *adapter = netdev_priv(netdev);
569 struct ixgbe_hw *hw = &adapter->hw;
570 struct ixgbe_fc_info fc = hw->fc;
571
572 /* 82598 does no support link flow control with DCB enabled */
573 if ((hw->mac.type == ixgbe_mac_82598EB) &&
574 (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
575 return -EINVAL;
576
577 /* some devices do not support autoneg of link flow control */
578 if ((pause->autoneg == AUTONEG_ENABLE) &&
579 !ixgbe_device_supports_autoneg_fc(hw))
580 return -EINVAL;
581
582 fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
583
584 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
585 fc.requested_mode = ixgbe_fc_full;
586 else if (pause->rx_pause && !pause->tx_pause)
587 fc.requested_mode = ixgbe_fc_rx_pause;
588 else if (!pause->rx_pause && pause->tx_pause)
589 fc.requested_mode = ixgbe_fc_tx_pause;
590 else
591 fc.requested_mode = ixgbe_fc_none;
592
593 /* if the thing changed then we'll update and use new autoneg */
594 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
595 hw->fc = fc;
596 if (netif_running(netdev))
597 ixgbe_reinit_locked(adapter);
598 else
599 ixgbe_reset(adapter);
600 }
601
602 return 0;
603}
604
605static u32 ixgbe_get_msglevel(struct net_device *netdev)
606{
607 struct ixgbe_adapter *adapter = netdev_priv(netdev);
608 return adapter->msg_enable;
609}
610
611static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
612{
613 struct ixgbe_adapter *adapter = netdev_priv(netdev);
614 adapter->msg_enable = data;
615}
616
617static int ixgbe_get_regs_len(struct net_device *netdev)
618{
619#define IXGBE_REGS_LEN 1145
620 return IXGBE_REGS_LEN * sizeof(u32);
621}
622
623#define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
624
625static void ixgbe_get_regs(struct net_device *netdev,
626 struct ethtool_regs *regs, void *p)
627{
628 struct ixgbe_adapter *adapter = netdev_priv(netdev);
629 struct ixgbe_hw *hw = &adapter->hw;
630 u32 *regs_buff = p;
631 u8 i;
632
633 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
634
635 regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
636 hw->device_id;
637
638 /* General Registers */
639 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
640 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
641 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
642 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
643 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
644 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
645 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
646 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
647
648 /* NVM Register */
649 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
650 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
651 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA(hw));
652 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
653 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
654 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
655 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
656 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
657 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
658 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC(hw));
659
660 /* Interrupt */
661 /* don't read EICR because it can clear interrupt causes, instead
662 * read EICS which is a shadow but doesn't clear EICR */
663 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
664 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
665 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
666 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
667 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
668 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
669 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
670 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
671 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
672 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
673 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
674 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
675
676 /* Flow Control */
677 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
678 for (i = 0; i < 4; i++)
679 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_FCTTV(i));
680 for (i = 0; i < 8; i++) {
681 switch (hw->mac.type) {
682 case ixgbe_mac_82598EB:
683 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
684 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
685 break;
686 case ixgbe_mac_82599EB:
687 case ixgbe_mac_X540:
688 case ixgbe_mac_X550:
689 case ixgbe_mac_X550EM_x:
690 case ixgbe_mac_x550em_a:
691 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
692 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
693 break;
694 default:
695 break;
696 }
697 }
698 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
699 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
700
701 /* Receive DMA */
702 for (i = 0; i < 64; i++)
703 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
704 for (i = 0; i < 64; i++)
705 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
706 for (i = 0; i < 64; i++)
707 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
708 for (i = 0; i < 64; i++)
709 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
710 for (i = 0; i < 64; i++)
711 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
712 for (i = 0; i < 64; i++)
713 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
714 for (i = 0; i < 16; i++)
715 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
716 for (i = 0; i < 16; i++)
717 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
718 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
719 for (i = 0; i < 8; i++)
720 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
721 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
722 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
723
724 /* Receive */
725 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
726 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
727 for (i = 0; i < 16; i++)
728 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
729 for (i = 0; i < 16; i++)
730 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
731 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
732 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
733 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
734 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
735 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
736 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
737 for (i = 0; i < 8; i++)
738 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
739 for (i = 0; i < 8; i++)
740 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
741 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
742
743 /* Transmit */
744 for (i = 0; i < 32; i++)
745 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
746 for (i = 0; i < 32; i++)
747 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
748 for (i = 0; i < 32; i++)
749 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
750 for (i = 0; i < 32; i++)
751 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
752 for (i = 0; i < 32; i++)
753 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
754 for (i = 0; i < 32; i++)
755 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
756 for (i = 0; i < 32; i++)
757 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
758 for (i = 0; i < 32; i++)
759 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
760 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
761 for (i = 0; i < 16; i++)
762 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
763 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
764 for (i = 0; i < 8; i++)
765 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
766 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
767
768 /* Wake Up */
769 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
770 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
771 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
772 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
773 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
774 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
775 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
776 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
777 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
778
779 /* DCB */
780 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS); /* same as FCCFG */
781 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
782
783 switch (hw->mac.type) {
784 case ixgbe_mac_82598EB:
785 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
786 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
787 for (i = 0; i < 8; i++)
788 regs_buff[833 + i] =
789 IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
790 for (i = 0; i < 8; i++)
791 regs_buff[841 + i] =
792 IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
793 for (i = 0; i < 8; i++)
794 regs_buff[849 + i] =
795 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
796 for (i = 0; i < 8; i++)
797 regs_buff[857 + i] =
798 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
799 break;
800 case ixgbe_mac_82599EB:
801 case ixgbe_mac_X540:
802 case ixgbe_mac_X550:
803 case ixgbe_mac_X550EM_x:
804 case ixgbe_mac_x550em_a:
805 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
806 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
807 for (i = 0; i < 8; i++)
808 regs_buff[833 + i] =
809 IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
810 for (i = 0; i < 8; i++)
811 regs_buff[841 + i] =
812 IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
813 for (i = 0; i < 8; i++)
814 regs_buff[849 + i] =
815 IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
816 for (i = 0; i < 8; i++)
817 regs_buff[857 + i] =
818 IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
819 break;
820 default:
821 break;
822 }
823
824 for (i = 0; i < 8; i++)
825 regs_buff[865 + i] =
826 IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
827 for (i = 0; i < 8; i++)
828 regs_buff[873 + i] =
829 IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
830
831 /* Statistics */
832 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
833 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
834 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
835 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
836 for (i = 0; i < 8; i++)
837 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
838 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
839 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
840 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
841 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
842 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
843 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
844 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
845 for (i = 0; i < 8; i++)
846 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
847 for (i = 0; i < 8; i++)
848 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
849 for (i = 0; i < 8; i++)
850 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
851 for (i = 0; i < 8; i++)
852 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
853 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
854 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
855 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
856 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
857 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
858 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
859 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
860 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
861 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
862 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
863 regs_buff[942] = (u32)IXGBE_GET_STAT(adapter, gorc);
864 regs_buff[943] = (u32)(IXGBE_GET_STAT(adapter, gorc) >> 32);
865 regs_buff[944] = (u32)IXGBE_GET_STAT(adapter, gotc);
866 regs_buff[945] = (u32)(IXGBE_GET_STAT(adapter, gotc) >> 32);
867 for (i = 0; i < 8; i++)
868 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
869 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
870 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
871 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
872 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
873 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
874 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
875 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
876 regs_buff[961] = (u32)IXGBE_GET_STAT(adapter, tor);
877 regs_buff[962] = (u32)(IXGBE_GET_STAT(adapter, tor) >> 32);
878 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
879 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
880 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
881 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
882 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
883 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
884 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
885 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
886 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
887 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
888 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
889 for (i = 0; i < 16; i++)
890 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
891 for (i = 0; i < 16; i++)
892 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
893 for (i = 0; i < 16; i++)
894 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
895 for (i = 0; i < 16; i++)
896 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
897
898 /* MAC */
899 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
900 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
901 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
902 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
903 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
904 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
905 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
906 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
907 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
908 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
909 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
910 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
911 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
912 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
913 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
914 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
915 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
916 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
917 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
918 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
919 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
920 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
921 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
922 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
923 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
924 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
925 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
926 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
927 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
928 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
929 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
930 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
931 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
932
933 /* Diagnostic */
934 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
935 for (i = 0; i < 8; i++)
936 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
937 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
938 for (i = 0; i < 4; i++)
939 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
940 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
941 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
942 for (i = 0; i < 8; i++)
943 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
944 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
945 for (i = 0; i < 4; i++)
946 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
947 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
948 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
949 for (i = 0; i < 4; i++)
950 regs_buff[1102 + i] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA(i));
951 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
952 for (i = 0; i < 4; i++)
953 regs_buff[1107 + i] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA(i));
954 for (i = 0; i < 8; i++)
955 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
956 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
957 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
958 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
959 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
960 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
961 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
962 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
963 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
964 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
965
966 /* 82599 X540 specific registers */
967 regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
968
969 /* 82599 X540 specific DCB registers */
970 regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
971 regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
972 for (i = 0; i < 4; i++)
973 regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
974 regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
975 /* same as RTTQCNRM */
976 regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
977 /* same as RTTQCNRR */
978
979 /* X540 specific DCB registers */
980 regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
981 regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
982
983 /* Security config registers */
984 regs_buff[1139] = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL);
985 regs_buff[1140] = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT);
986 regs_buff[1141] = IXGBE_READ_REG(hw, IXGBE_SECTXBUFFAF);
987 regs_buff[1142] = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
988 regs_buff[1143] = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
989 regs_buff[1144] = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
990}
991
992static int ixgbe_get_eeprom_len(struct net_device *netdev)
993{
994 struct ixgbe_adapter *adapter = netdev_priv(netdev);
995 return adapter->hw.eeprom.word_size * 2;
996}
997
998static int ixgbe_get_eeprom(struct net_device *netdev,
999 struct ethtool_eeprom *eeprom, u8 *bytes)
1000{
1001 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1002 struct ixgbe_hw *hw = &adapter->hw;
1003 u16 *eeprom_buff;
1004 int first_word, last_word, eeprom_len;
1005 int ret_val = 0;
1006 u16 i;
1007
1008 if (eeprom->len == 0)
1009 return -EINVAL;
1010
1011 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1012
1013 first_word = eeprom->offset >> 1;
1014 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1015 eeprom_len = last_word - first_word + 1;
1016
1017 eeprom_buff = kmalloc_array(eeprom_len, sizeof(u16), GFP_KERNEL);
1018 if (!eeprom_buff)
1019 return -ENOMEM;
1020
1021 ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
1022 eeprom_buff);
1023
1024 /* Device's eeprom is always little-endian, word addressable */
1025 for (i = 0; i < eeprom_len; i++)
1026 le16_to_cpus(&eeprom_buff[i]);
1027
1028 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
1029 kfree(eeprom_buff);
1030
1031 return ret_val;
1032}
1033
1034static int ixgbe_set_eeprom(struct net_device *netdev,
1035 struct ethtool_eeprom *eeprom, u8 *bytes)
1036{
1037 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1038 struct ixgbe_hw *hw = &adapter->hw;
1039 u16 *eeprom_buff;
1040 void *ptr;
1041 int max_len, first_word, last_word, ret_val = 0;
1042 u16 i;
1043
1044 if (eeprom->len == 0)
1045 return -EINVAL;
1046
1047 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
1048 return -EINVAL;
1049
1050 max_len = hw->eeprom.word_size * 2;
1051
1052 first_word = eeprom->offset >> 1;
1053 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1054 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
1055 if (!eeprom_buff)
1056 return -ENOMEM;
1057
1058 ptr = eeprom_buff;
1059
1060 if (eeprom->offset & 1) {
1061 /*
1062 * need read/modify/write of first changed EEPROM word
1063 * only the second byte of the word is being modified
1064 */
1065 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
1066 if (ret_val)
1067 goto err;
1068
1069 ptr++;
1070 }
1071 if ((eeprom->offset + eeprom->len) & 1) {
1072 /*
1073 * need read/modify/write of last changed EEPROM word
1074 * only the first byte of the word is being modified
1075 */
1076 ret_val = hw->eeprom.ops.read(hw, last_word,
1077 &eeprom_buff[last_word - first_word]);
1078 if (ret_val)
1079 goto err;
1080 }
1081
1082 /* Device's eeprom is always little-endian, word addressable */
1083 for (i = 0; i < last_word - first_word + 1; i++)
1084 le16_to_cpus(&eeprom_buff[i]);
1085
1086 memcpy(ptr, bytes, eeprom->len);
1087
1088 for (i = 0; i < last_word - first_word + 1; i++)
1089 cpu_to_le16s(&eeprom_buff[i]);
1090
1091 ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
1092 last_word - first_word + 1,
1093 eeprom_buff);
1094
1095 /* Update the checksum */
1096 if (ret_val == 0)
1097 hw->eeprom.ops.update_checksum(hw);
1098
1099err:
1100 kfree(eeprom_buff);
1101 return ret_val;
1102}
1103
1104static void ixgbe_get_drvinfo(struct net_device *netdev,
1105 struct ethtool_drvinfo *drvinfo)
1106{
1107 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1108
1109 strscpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
1110
1111 strscpy(drvinfo->fw_version, adapter->eeprom_id,
1112 sizeof(drvinfo->fw_version));
1113
1114 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
1115 sizeof(drvinfo->bus_info));
1116
1117 drvinfo->n_priv_flags = IXGBE_PRIV_FLAGS_STR_LEN;
1118}
1119
1120static u32 ixgbe_get_max_rxd(struct ixgbe_adapter *adapter)
1121{
1122 switch (adapter->hw.mac.type) {
1123 case ixgbe_mac_82598EB:
1124 return IXGBE_MAX_RXD_82598;
1125 case ixgbe_mac_82599EB:
1126 return IXGBE_MAX_RXD_82599;
1127 case ixgbe_mac_X540:
1128 return IXGBE_MAX_RXD_X540;
1129 case ixgbe_mac_X550:
1130 case ixgbe_mac_X550EM_x:
1131 case ixgbe_mac_x550em_a:
1132 return IXGBE_MAX_RXD_X550;
1133 default:
1134 return IXGBE_MAX_RXD_82598;
1135 }
1136}
1137
1138static u32 ixgbe_get_max_txd(struct ixgbe_adapter *adapter)
1139{
1140 switch (adapter->hw.mac.type) {
1141 case ixgbe_mac_82598EB:
1142 return IXGBE_MAX_TXD_82598;
1143 case ixgbe_mac_82599EB:
1144 return IXGBE_MAX_TXD_82599;
1145 case ixgbe_mac_X540:
1146 return IXGBE_MAX_TXD_X540;
1147 case ixgbe_mac_X550:
1148 case ixgbe_mac_X550EM_x:
1149 case ixgbe_mac_x550em_a:
1150 return IXGBE_MAX_TXD_X550;
1151 default:
1152 return IXGBE_MAX_TXD_82598;
1153 }
1154}
1155
1156static void ixgbe_get_ringparam(struct net_device *netdev,
1157 struct ethtool_ringparam *ring,
1158 struct kernel_ethtool_ringparam *kernel_ring,
1159 struct netlink_ext_ack *extack)
1160{
1161 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1162 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
1163 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
1164
1165 ring->rx_max_pending = ixgbe_get_max_rxd(adapter);
1166 ring->tx_max_pending = ixgbe_get_max_txd(adapter);
1167 ring->rx_pending = rx_ring->count;
1168 ring->tx_pending = tx_ring->count;
1169}
1170
1171static int ixgbe_set_ringparam(struct net_device *netdev,
1172 struct ethtool_ringparam *ring,
1173 struct kernel_ethtool_ringparam *kernel_ring,
1174 struct netlink_ext_ack *extack)
1175{
1176 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1177 struct ixgbe_ring *temp_ring;
1178 int i, j, err = 0;
1179 u32 new_rx_count, new_tx_count;
1180
1181 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1182 return -EINVAL;
1183
1184 new_tx_count = clamp_t(u32, ring->tx_pending,
1185 IXGBE_MIN_TXD, ixgbe_get_max_txd(adapter));
1186 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
1187
1188 new_rx_count = clamp_t(u32, ring->rx_pending,
1189 IXGBE_MIN_RXD, ixgbe_get_max_rxd(adapter));
1190 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
1191
1192 if ((new_tx_count == adapter->tx_ring_count) &&
1193 (new_rx_count == adapter->rx_ring_count)) {
1194 /* nothing to do */
1195 return 0;
1196 }
1197
1198 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
1199 usleep_range(1000, 2000);
1200
1201 if (!netif_running(adapter->netdev)) {
1202 for (i = 0; i < adapter->num_tx_queues; i++)
1203 adapter->tx_ring[i]->count = new_tx_count;
1204 for (i = 0; i < adapter->num_xdp_queues; i++)
1205 adapter->xdp_ring[i]->count = new_tx_count;
1206 for (i = 0; i < adapter->num_rx_queues; i++)
1207 adapter->rx_ring[i]->count = new_rx_count;
1208 adapter->tx_ring_count = new_tx_count;
1209 adapter->xdp_ring_count = new_tx_count;
1210 adapter->rx_ring_count = new_rx_count;
1211 goto clear_reset;
1212 }
1213
1214 /* allocate temporary buffer to store rings in */
1215 i = max_t(int, adapter->num_tx_queues + adapter->num_xdp_queues,
1216 adapter->num_rx_queues);
1217 temp_ring = vmalloc(array_size(i, sizeof(struct ixgbe_ring)));
1218
1219 if (!temp_ring) {
1220 err = -ENOMEM;
1221 goto clear_reset;
1222 }
1223
1224 ixgbe_down(adapter);
1225
1226 /*
1227 * Setup new Tx resources and free the old Tx resources in that order.
1228 * We can then assign the new resources to the rings via a memcpy.
1229 * The advantage to this approach is that we are guaranteed to still
1230 * have resources even in the case of an allocation failure.
1231 */
1232 if (new_tx_count != adapter->tx_ring_count) {
1233 for (i = 0; i < adapter->num_tx_queues; i++) {
1234 memcpy(&temp_ring[i], adapter->tx_ring[i],
1235 sizeof(struct ixgbe_ring));
1236
1237 temp_ring[i].count = new_tx_count;
1238 err = ixgbe_setup_tx_resources(&temp_ring[i]);
1239 if (err) {
1240 while (i) {
1241 i--;
1242 ixgbe_free_tx_resources(&temp_ring[i]);
1243 }
1244 goto err_setup;
1245 }
1246 }
1247
1248 for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1249 memcpy(&temp_ring[i], adapter->xdp_ring[j],
1250 sizeof(struct ixgbe_ring));
1251
1252 temp_ring[i].count = new_tx_count;
1253 err = ixgbe_setup_tx_resources(&temp_ring[i]);
1254 if (err) {
1255 while (i) {
1256 i--;
1257 ixgbe_free_tx_resources(&temp_ring[i]);
1258 }
1259 goto err_setup;
1260 }
1261 }
1262
1263 for (i = 0; i < adapter->num_tx_queues; i++) {
1264 ixgbe_free_tx_resources(adapter->tx_ring[i]);
1265
1266 memcpy(adapter->tx_ring[i], &temp_ring[i],
1267 sizeof(struct ixgbe_ring));
1268 }
1269 for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1270 ixgbe_free_tx_resources(adapter->xdp_ring[j]);
1271
1272 memcpy(adapter->xdp_ring[j], &temp_ring[i],
1273 sizeof(struct ixgbe_ring));
1274 }
1275
1276 adapter->tx_ring_count = new_tx_count;
1277 }
1278
1279 /* Repeat the process for the Rx rings if needed */
1280 if (new_rx_count != adapter->rx_ring_count) {
1281 for (i = 0; i < adapter->num_rx_queues; i++) {
1282 memcpy(&temp_ring[i], adapter->rx_ring[i],
1283 sizeof(struct ixgbe_ring));
1284
1285 /* Clear copied XDP RX-queue info */
1286 memset(&temp_ring[i].xdp_rxq, 0,
1287 sizeof(temp_ring[i].xdp_rxq));
1288
1289 temp_ring[i].count = new_rx_count;
1290 err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
1291 if (err) {
1292 while (i) {
1293 i--;
1294 ixgbe_free_rx_resources(&temp_ring[i]);
1295 }
1296 goto err_setup;
1297 }
1298
1299 }
1300
1301 for (i = 0; i < adapter->num_rx_queues; i++) {
1302 ixgbe_free_rx_resources(adapter->rx_ring[i]);
1303
1304 memcpy(adapter->rx_ring[i], &temp_ring[i],
1305 sizeof(struct ixgbe_ring));
1306 }
1307
1308 adapter->rx_ring_count = new_rx_count;
1309 }
1310
1311err_setup:
1312 ixgbe_up(adapter);
1313 vfree(temp_ring);
1314clear_reset:
1315 clear_bit(__IXGBE_RESETTING, &adapter->state);
1316 return err;
1317}
1318
1319static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1320{
1321 switch (sset) {
1322 case ETH_SS_TEST:
1323 return IXGBE_TEST_LEN;
1324 case ETH_SS_STATS:
1325 return IXGBE_STATS_LEN;
1326 case ETH_SS_PRIV_FLAGS:
1327 return IXGBE_PRIV_FLAGS_STR_LEN;
1328 default:
1329 return -EOPNOTSUPP;
1330 }
1331}
1332
1333static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1334 struct ethtool_stats *stats, u64 *data)
1335{
1336 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1337 struct rtnl_link_stats64 temp;
1338 const struct rtnl_link_stats64 *net_stats;
1339 unsigned int start;
1340 struct ixgbe_ring *ring;
1341 int i, j;
1342 char *p = NULL;
1343
1344 ixgbe_update_stats(adapter);
1345 net_stats = dev_get_stats(netdev, &temp);
1346 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1347 switch (ixgbe_gstrings_stats[i].type) {
1348 case NETDEV_STATS:
1349 p = (char *) net_stats +
1350 ixgbe_gstrings_stats[i].stat_offset;
1351 break;
1352 case IXGBE_STATS:
1353 p = (char *) adapter +
1354 ixgbe_gstrings_stats[i].stat_offset;
1355 break;
1356 default:
1357 data[i] = 0;
1358 continue;
1359 }
1360
1361 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1362 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1363 }
1364 for (j = 0; j < netdev->num_tx_queues; j++) {
1365 ring = adapter->tx_ring[j];
1366 if (!ring) {
1367 data[i] = 0;
1368 data[i+1] = 0;
1369 i += 2;
1370 continue;
1371 }
1372
1373 do {
1374 start = u64_stats_fetch_begin(&ring->syncp);
1375 data[i] = ring->stats.packets;
1376 data[i+1] = ring->stats.bytes;
1377 } while (u64_stats_fetch_retry(&ring->syncp, start));
1378 i += 2;
1379 }
1380 for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1381 ring = adapter->rx_ring[j];
1382 if (!ring) {
1383 data[i] = 0;
1384 data[i+1] = 0;
1385 i += 2;
1386 continue;
1387 }
1388
1389 do {
1390 start = u64_stats_fetch_begin(&ring->syncp);
1391 data[i] = ring->stats.packets;
1392 data[i+1] = ring->stats.bytes;
1393 } while (u64_stats_fetch_retry(&ring->syncp, start));
1394 i += 2;
1395 }
1396
1397 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1398 data[i++] = adapter->stats.pxontxc[j];
1399 data[i++] = adapter->stats.pxofftxc[j];
1400 }
1401 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1402 data[i++] = adapter->stats.pxonrxc[j];
1403 data[i++] = adapter->stats.pxoffrxc[j];
1404 }
1405}
1406
1407static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1408 u8 *data)
1409{
1410 unsigned int i;
1411 u8 *p = data;
1412
1413 switch (stringset) {
1414 case ETH_SS_TEST:
1415 for (i = 0; i < IXGBE_TEST_LEN; i++)
1416 ethtool_puts(&p, ixgbe_gstrings_test[i]);
1417 break;
1418 case ETH_SS_STATS:
1419 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++)
1420 ethtool_puts(&p, ixgbe_gstrings_stats[i].stat_string);
1421 for (i = 0; i < netdev->num_tx_queues; i++) {
1422 ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1423 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1424 }
1425 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1426 ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1427 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1428 }
1429 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1430 ethtool_sprintf(&p, "tx_pb_%u_pxon", i);
1431 ethtool_sprintf(&p, "tx_pb_%u_pxoff", i);
1432 }
1433 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1434 ethtool_sprintf(&p, "rx_pb_%u_pxon", i);
1435 ethtool_sprintf(&p, "rx_pb_%u_pxoff", i);
1436 }
1437 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1438 break;
1439 case ETH_SS_PRIV_FLAGS:
1440 memcpy(data, ixgbe_priv_flags_strings,
1441 IXGBE_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1442 }
1443}
1444
1445static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1446{
1447 struct ixgbe_hw *hw = &adapter->hw;
1448 bool link_up;
1449 u32 link_speed = 0;
1450
1451 if (ixgbe_removed(hw->hw_addr)) {
1452 *data = 1;
1453 return 1;
1454 }
1455 *data = 0;
1456
1457 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1458 if (link_up)
1459 return *data;
1460 else
1461 *data = 1;
1462 return *data;
1463}
1464
1465/* ethtool register test data */
1466struct ixgbe_reg_test {
1467 u16 reg;
1468 u8 array_len;
1469 u8 test_type;
1470 u32 mask;
1471 u32 write;
1472};
1473
1474/* In the hardware, registers are laid out either singly, in arrays
1475 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1476 * most tests take place on arrays or single registers (handled
1477 * as a single-element array) and special-case the tables.
1478 * Table tests are always pattern tests.
1479 *
1480 * We also make provision for some required setup steps by specifying
1481 * registers to be written without any read-back testing.
1482 */
1483
1484#define PATTERN_TEST 1
1485#define SET_READ_TEST 2
1486#define WRITE_NO_TEST 3
1487#define TABLE32_TEST 4
1488#define TABLE64_TEST_LO 5
1489#define TABLE64_TEST_HI 6
1490
1491/* default 82599 register test */
1492static const struct ixgbe_reg_test reg_test_82599[] = {
1493 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1494 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1495 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1496 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1497 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1498 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1499 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1500 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1501 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1502 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1503 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1504 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1505 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1506 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1507 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1508 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1509 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1510 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1511 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1512 { .reg = 0 }
1513};
1514
1515/* default 82598 register test */
1516static const struct ixgbe_reg_test reg_test_82598[] = {
1517 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1518 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1519 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1520 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1521 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1522 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1523 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1524 /* Enable all four RX queues before testing. */
1525 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1526 /* RDH is read-only for 82598, only test RDT. */
1527 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1528 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1529 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1530 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1531 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1532 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1533 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1534 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1535 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1536 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1537 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1538 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1539 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1540 { .reg = 0 }
1541};
1542
1543static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1544 u32 mask, u32 write)
1545{
1546 u32 pat, val, before;
1547 static const u32 test_pattern[] = {
1548 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1549
1550 if (ixgbe_removed(adapter->hw.hw_addr)) {
1551 *data = 1;
1552 return true;
1553 }
1554 for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1555 before = ixgbe_read_reg(&adapter->hw, reg);
1556 ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1557 val = ixgbe_read_reg(&adapter->hw, reg);
1558 if (val != (test_pattern[pat] & write & mask)) {
1559 e_err(drv, "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1560 reg, val, (test_pattern[pat] & write & mask));
1561 *data = reg;
1562 ixgbe_write_reg(&adapter->hw, reg, before);
1563 return true;
1564 }
1565 ixgbe_write_reg(&adapter->hw, reg, before);
1566 }
1567 return false;
1568}
1569
1570static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1571 u32 mask, u32 write)
1572{
1573 u32 val, before;
1574
1575 if (ixgbe_removed(adapter->hw.hw_addr)) {
1576 *data = 1;
1577 return true;
1578 }
1579 before = ixgbe_read_reg(&adapter->hw, reg);
1580 ixgbe_write_reg(&adapter->hw, reg, write & mask);
1581 val = ixgbe_read_reg(&adapter->hw, reg);
1582 if ((write & mask) != (val & mask)) {
1583 e_err(drv, "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1584 reg, (val & mask), (write & mask));
1585 *data = reg;
1586 ixgbe_write_reg(&adapter->hw, reg, before);
1587 return true;
1588 }
1589 ixgbe_write_reg(&adapter->hw, reg, before);
1590 return false;
1591}
1592
1593static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1594{
1595 const struct ixgbe_reg_test *test;
1596 u32 value, before, after;
1597 u32 i, toggle;
1598
1599 if (ixgbe_removed(adapter->hw.hw_addr)) {
1600 e_err(drv, "Adapter removed - register test blocked\n");
1601 *data = 1;
1602 return 1;
1603 }
1604 switch (adapter->hw.mac.type) {
1605 case ixgbe_mac_82598EB:
1606 toggle = 0x7FFFF3FF;
1607 test = reg_test_82598;
1608 break;
1609 case ixgbe_mac_82599EB:
1610 case ixgbe_mac_X540:
1611 case ixgbe_mac_X550:
1612 case ixgbe_mac_X550EM_x:
1613 case ixgbe_mac_x550em_a:
1614 toggle = 0x7FFFF30F;
1615 test = reg_test_82599;
1616 break;
1617 default:
1618 *data = 1;
1619 return 1;
1620 }
1621
1622 /*
1623 * Because the status register is such a special case,
1624 * we handle it separately from the rest of the register
1625 * tests. Some bits are read-only, some toggle, and some
1626 * are writeable on newer MACs.
1627 */
1628 before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1629 value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1630 ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1631 after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
1632 if (value != after) {
1633 e_err(drv, "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1634 after, value);
1635 *data = 1;
1636 return 1;
1637 }
1638 /* restore previous status */
1639 ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
1640
1641 /*
1642 * Perform the remainder of the register test, looping through
1643 * the test table until we either fail or reach the null entry.
1644 */
1645 while (test->reg) {
1646 for (i = 0; i < test->array_len; i++) {
1647 bool b = false;
1648
1649 switch (test->test_type) {
1650 case PATTERN_TEST:
1651 b = reg_pattern_test(adapter, data,
1652 test->reg + (i * 0x40),
1653 test->mask,
1654 test->write);
1655 break;
1656 case SET_READ_TEST:
1657 b = reg_set_and_check(adapter, data,
1658 test->reg + (i * 0x40),
1659 test->mask,
1660 test->write);
1661 break;
1662 case WRITE_NO_TEST:
1663 ixgbe_write_reg(&adapter->hw,
1664 test->reg + (i * 0x40),
1665 test->write);
1666 break;
1667 case TABLE32_TEST:
1668 b = reg_pattern_test(adapter, data,
1669 test->reg + (i * 4),
1670 test->mask,
1671 test->write);
1672 break;
1673 case TABLE64_TEST_LO:
1674 b = reg_pattern_test(adapter, data,
1675 test->reg + (i * 8),
1676 test->mask,
1677 test->write);
1678 break;
1679 case TABLE64_TEST_HI:
1680 b = reg_pattern_test(adapter, data,
1681 (test->reg + 4) + (i * 8),
1682 test->mask,
1683 test->write);
1684 break;
1685 }
1686 if (b)
1687 return 1;
1688 }
1689 test++;
1690 }
1691
1692 *data = 0;
1693 return 0;
1694}
1695
1696static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1697{
1698 struct ixgbe_hw *hw = &adapter->hw;
1699 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1700 *data = 1;
1701 else
1702 *data = 0;
1703 return *data;
1704}
1705
1706static irqreturn_t ixgbe_test_intr(int irq, void *data)
1707{
1708 struct net_device *netdev = (struct net_device *) data;
1709 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1710
1711 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1712
1713 return IRQ_HANDLED;
1714}
1715
1716static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1717{
1718 struct net_device *netdev = adapter->netdev;
1719 u32 mask, i = 0, shared_int = true;
1720 u32 irq = adapter->pdev->irq;
1721
1722 *data = 0;
1723
1724 /* Hook up test interrupt handler just for this test */
1725 if (adapter->msix_entries) {
1726 /* NOTE: we don't test MSI-X interrupts here, yet */
1727 return 0;
1728 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1729 shared_int = false;
1730 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1731 netdev)) {
1732 *data = 1;
1733 return -1;
1734 }
1735 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1736 netdev->name, netdev)) {
1737 shared_int = false;
1738 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1739 netdev->name, netdev)) {
1740 *data = 1;
1741 return -1;
1742 }
1743 e_info(hw, "testing %s interrupt\n", shared_int ?
1744 "shared" : "unshared");
1745
1746 /* Disable all the interrupts */
1747 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1748 IXGBE_WRITE_FLUSH(&adapter->hw);
1749 usleep_range(10000, 20000);
1750
1751 /* Test each interrupt */
1752 for (; i < 10; i++) {
1753 /* Interrupt to test */
1754 mask = BIT(i);
1755
1756 if (!shared_int) {
1757 /*
1758 * Disable the interrupts to be reported in
1759 * the cause register and then force the same
1760 * interrupt and see if one gets posted. If
1761 * an interrupt was posted to the bus, the
1762 * test failed.
1763 */
1764 adapter->test_icr = 0;
1765 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1766 ~mask & 0x00007FFF);
1767 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1768 ~mask & 0x00007FFF);
1769 IXGBE_WRITE_FLUSH(&adapter->hw);
1770 usleep_range(10000, 20000);
1771
1772 if (adapter->test_icr & mask) {
1773 *data = 3;
1774 break;
1775 }
1776 }
1777
1778 /*
1779 * Enable the interrupt to be reported in the cause
1780 * register and then force the same interrupt and see
1781 * if one gets posted. If an interrupt was not posted
1782 * to the bus, the test failed.
1783 */
1784 adapter->test_icr = 0;
1785 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1786 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1787 IXGBE_WRITE_FLUSH(&adapter->hw);
1788 usleep_range(10000, 20000);
1789
1790 if (!(adapter->test_icr & mask)) {
1791 *data = 4;
1792 break;
1793 }
1794
1795 if (!shared_int) {
1796 /*
1797 * Disable the other interrupts to be reported in
1798 * the cause register and then force the other
1799 * interrupts and see if any get posted. If
1800 * an interrupt was posted to the bus, the
1801 * test failed.
1802 */
1803 adapter->test_icr = 0;
1804 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1805 ~mask & 0x00007FFF);
1806 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1807 ~mask & 0x00007FFF);
1808 IXGBE_WRITE_FLUSH(&adapter->hw);
1809 usleep_range(10000, 20000);
1810
1811 if (adapter->test_icr) {
1812 *data = 5;
1813 break;
1814 }
1815 }
1816 }
1817
1818 /* Disable all the interrupts */
1819 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1820 IXGBE_WRITE_FLUSH(&adapter->hw);
1821 usleep_range(10000, 20000);
1822
1823 /* Unhook test interrupt handler */
1824 free_irq(irq, netdev);
1825
1826 return *data;
1827}
1828
1829static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1830{
1831 /* Shut down the DMA engines now so they can be reinitialized later,
1832 * since the test rings and normally used rings should overlap on
1833 * queue 0 we can just use the standard disable Rx/Tx calls and they
1834 * will take care of disabling the test rings for us.
1835 */
1836
1837 /* first Rx */
1838 ixgbe_disable_rx(adapter);
1839
1840 /* now Tx */
1841 ixgbe_disable_tx(adapter);
1842
1843 ixgbe_reset(adapter);
1844
1845 ixgbe_free_tx_resources(&adapter->test_tx_ring);
1846 ixgbe_free_rx_resources(&adapter->test_rx_ring);
1847}
1848
1849static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1850{
1851 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1852 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1853 struct ixgbe_hw *hw = &adapter->hw;
1854 u32 rctl, reg_data;
1855 int ret_val;
1856 int err;
1857
1858 /* Setup Tx descriptor ring and Tx buffers */
1859 tx_ring->count = IXGBE_DEFAULT_TXD;
1860 tx_ring->queue_index = 0;
1861 tx_ring->dev = &adapter->pdev->dev;
1862 tx_ring->netdev = adapter->netdev;
1863 tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1864
1865 err = ixgbe_setup_tx_resources(tx_ring);
1866 if (err)
1867 return 1;
1868
1869 switch (adapter->hw.mac.type) {
1870 case ixgbe_mac_82599EB:
1871 case ixgbe_mac_X540:
1872 case ixgbe_mac_X550:
1873 case ixgbe_mac_X550EM_x:
1874 case ixgbe_mac_x550em_a:
1875 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1876 reg_data |= IXGBE_DMATXCTL_TE;
1877 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1878 break;
1879 default:
1880 break;
1881 }
1882
1883 ixgbe_configure_tx_ring(adapter, tx_ring);
1884
1885 /* Setup Rx Descriptor ring and Rx buffers */
1886 rx_ring->count = IXGBE_DEFAULT_RXD;
1887 rx_ring->queue_index = 0;
1888 rx_ring->dev = &adapter->pdev->dev;
1889 rx_ring->netdev = adapter->netdev;
1890 rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1891
1892 err = ixgbe_setup_rx_resources(adapter, rx_ring);
1893 if (err) {
1894 ret_val = 4;
1895 goto err_nomem;
1896 }
1897
1898 hw->mac.ops.disable_rx(hw);
1899
1900 ixgbe_configure_rx_ring(adapter, rx_ring);
1901
1902 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1903 rctl |= IXGBE_RXCTRL_DMBYPS;
1904 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1905
1906 hw->mac.ops.enable_rx(hw);
1907
1908 return 0;
1909
1910err_nomem:
1911 ixgbe_free_desc_rings(adapter);
1912 return ret_val;
1913}
1914
1915static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1916{
1917 struct ixgbe_hw *hw = &adapter->hw;
1918 u32 reg_data;
1919
1920
1921 /* Setup MAC loopback */
1922 reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1923 reg_data |= IXGBE_HLREG0_LPBK;
1924 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1925
1926 reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1927 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1928 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1929
1930 /* X540 and X550 needs to set the MACC.FLU bit to force link up */
1931 switch (adapter->hw.mac.type) {
1932 case ixgbe_mac_X540:
1933 case ixgbe_mac_X550:
1934 case ixgbe_mac_X550EM_x:
1935 case ixgbe_mac_x550em_a:
1936 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1937 reg_data |= IXGBE_MACC_FLU;
1938 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1939 break;
1940 default:
1941 if (hw->mac.orig_autoc) {
1942 reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
1943 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1944 } else {
1945 return 10;
1946 }
1947 }
1948 IXGBE_WRITE_FLUSH(hw);
1949 usleep_range(10000, 20000);
1950
1951 /* Disable Atlas Tx lanes; re-enabled in reset path */
1952 if (hw->mac.type == ixgbe_mac_82598EB) {
1953 u8 atlas;
1954
1955 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1956 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1957 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1958
1959 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1960 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1961 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1962
1963 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1964 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1965 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1966
1967 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1968 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1969 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1970 }
1971
1972 return 0;
1973}
1974
1975static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1976{
1977 u32 reg_data;
1978
1979 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1980 reg_data &= ~IXGBE_HLREG0_LPBK;
1981 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1982}
1983
1984static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1985 unsigned int frame_size)
1986{
1987 memset(skb->data, 0xFF, frame_size);
1988 frame_size >>= 1;
1989 memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
1990 skb->data[frame_size + 10] = 0xBE;
1991 skb->data[frame_size + 12] = 0xAF;
1992}
1993
1994static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
1995 unsigned int frame_size)
1996{
1997 unsigned char *data;
1998
1999 frame_size >>= 1;
2000
2001 data = page_address(rx_buffer->page) + rx_buffer->page_offset;
2002
2003 return data[3] == 0xFF && data[frame_size + 10] == 0xBE &&
2004 data[frame_size + 12] == 0xAF;
2005}
2006
2007static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
2008 struct ixgbe_ring *tx_ring,
2009 unsigned int size)
2010{
2011 union ixgbe_adv_rx_desc *rx_desc;
2012 u16 rx_ntc, tx_ntc, count = 0;
2013
2014 /* initialize next to clean and descriptor values */
2015 rx_ntc = rx_ring->next_to_clean;
2016 tx_ntc = tx_ring->next_to_clean;
2017 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
2018
2019 while (tx_ntc != tx_ring->next_to_use) {
2020 union ixgbe_adv_tx_desc *tx_desc;
2021 struct ixgbe_tx_buffer *tx_buffer;
2022
2023 tx_desc = IXGBE_TX_DESC(tx_ring, tx_ntc);
2024
2025 /* if DD is not set transmit has not completed */
2026 if (!(tx_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)))
2027 return count;
2028
2029 /* unmap buffer on Tx side */
2030 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
2031
2032 /* Free all the Tx ring sk_buffs */
2033 dev_kfree_skb_any(tx_buffer->skb);
2034
2035 /* unmap skb header data */
2036 dma_unmap_single(tx_ring->dev,
2037 dma_unmap_addr(tx_buffer, dma),
2038 dma_unmap_len(tx_buffer, len),
2039 DMA_TO_DEVICE);
2040 dma_unmap_len_set(tx_buffer, len, 0);
2041
2042 /* increment Tx next to clean counter */
2043 tx_ntc++;
2044 if (tx_ntc == tx_ring->count)
2045 tx_ntc = 0;
2046 }
2047
2048 while (rx_desc->wb.upper.length) {
2049 struct ixgbe_rx_buffer *rx_buffer;
2050
2051 /* check Rx buffer */
2052 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
2053
2054 /* sync Rx buffer for CPU read */
2055 dma_sync_single_for_cpu(rx_ring->dev,
2056 rx_buffer->dma,
2057 ixgbe_rx_bufsz(rx_ring),
2058 DMA_FROM_DEVICE);
2059
2060 /* verify contents of skb */
2061 if (ixgbe_check_lbtest_frame(rx_buffer, size))
2062 count++;
2063 else
2064 break;
2065
2066 /* sync Rx buffer for device write */
2067 dma_sync_single_for_device(rx_ring->dev,
2068 rx_buffer->dma,
2069 ixgbe_rx_bufsz(rx_ring),
2070 DMA_FROM_DEVICE);
2071
2072 /* increment Rx next to clean counter */
2073 rx_ntc++;
2074 if (rx_ntc == rx_ring->count)
2075 rx_ntc = 0;
2076
2077 /* fetch next descriptor */
2078 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
2079 }
2080
2081 netdev_tx_reset_queue(txring_txq(tx_ring));
2082
2083 /* re-map buffers to ring, store next to clean values */
2084 ixgbe_alloc_rx_buffers(rx_ring, count);
2085 rx_ring->next_to_clean = rx_ntc;
2086 tx_ring->next_to_clean = tx_ntc;
2087
2088 return count;
2089}
2090
2091static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
2092{
2093 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
2094 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
2095 int i, j, lc, good_cnt, ret_val = 0;
2096 unsigned int size = 1024;
2097 netdev_tx_t tx_ret_val;
2098 struct sk_buff *skb;
2099 u32 flags_orig = adapter->flags;
2100
2101 /* DCB can modify the frames on Tx */
2102 adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
2103
2104 /* allocate test skb */
2105 skb = alloc_skb(size, GFP_KERNEL);
2106 if (!skb)
2107 return 11;
2108
2109 /* place data into test skb */
2110 ixgbe_create_lbtest_frame(skb, size);
2111 skb_put(skb, size);
2112
2113 /*
2114 * Calculate the loop count based on the largest descriptor ring
2115 * The idea is to wrap the largest ring a number of times using 64
2116 * send/receive pairs during each loop
2117 */
2118
2119 if (rx_ring->count <= tx_ring->count)
2120 lc = ((tx_ring->count / 64) * 2) + 1;
2121 else
2122 lc = ((rx_ring->count / 64) * 2) + 1;
2123
2124 for (j = 0; j <= lc; j++) {
2125 /* reset count of good packets */
2126 good_cnt = 0;
2127
2128 /* place 64 packets on the transmit queue*/
2129 for (i = 0; i < 64; i++) {
2130 skb_get(skb);
2131 tx_ret_val = ixgbe_xmit_frame_ring(skb,
2132 adapter,
2133 tx_ring);
2134 if (tx_ret_val == NETDEV_TX_OK)
2135 good_cnt++;
2136 }
2137
2138 if (good_cnt != 64) {
2139 ret_val = 12;
2140 break;
2141 }
2142
2143 /* allow 200 milliseconds for packets to go from Tx to Rx */
2144 msleep(200);
2145
2146 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
2147 if (good_cnt != 64) {
2148 ret_val = 13;
2149 break;
2150 }
2151 }
2152
2153 /* free the original skb */
2154 kfree_skb(skb);
2155 adapter->flags = flags_orig;
2156
2157 return ret_val;
2158}
2159
2160static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
2161{
2162 *data = ixgbe_setup_desc_rings(adapter);
2163 if (*data)
2164 goto out;
2165 *data = ixgbe_setup_loopback_test(adapter);
2166 if (*data)
2167 goto err_loopback;
2168 *data = ixgbe_run_loopback_test(adapter);
2169 ixgbe_loopback_cleanup(adapter);
2170
2171err_loopback:
2172 ixgbe_free_desc_rings(adapter);
2173out:
2174 return *data;
2175}
2176
2177static void ixgbe_diag_test(struct net_device *netdev,
2178 struct ethtool_test *eth_test, u64 *data)
2179{
2180 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2181 bool if_running = netif_running(netdev);
2182
2183 if (ixgbe_removed(adapter->hw.hw_addr)) {
2184 e_err(hw, "Adapter removed - test blocked\n");
2185 data[0] = 1;
2186 data[1] = 1;
2187 data[2] = 1;
2188 data[3] = 1;
2189 data[4] = 1;
2190 eth_test->flags |= ETH_TEST_FL_FAILED;
2191 return;
2192 }
2193 set_bit(__IXGBE_TESTING, &adapter->state);
2194 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2195 struct ixgbe_hw *hw = &adapter->hw;
2196
2197 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2198 int i;
2199 for (i = 0; i < adapter->num_vfs; i++) {
2200 if (adapter->vfinfo[i].clear_to_send) {
2201 netdev_warn(netdev, "offline diagnostic is not supported when VFs are present\n");
2202 data[0] = 1;
2203 data[1] = 1;
2204 data[2] = 1;
2205 data[3] = 1;
2206 data[4] = 1;
2207 eth_test->flags |= ETH_TEST_FL_FAILED;
2208 clear_bit(__IXGBE_TESTING,
2209 &adapter->state);
2210 return;
2211 }
2212 }
2213 }
2214
2215 /* Offline tests */
2216 e_info(hw, "offline testing starting\n");
2217
2218 /* Link test performed before hardware reset so autoneg doesn't
2219 * interfere with test result
2220 */
2221 if (ixgbe_link_test(adapter, &data[4]))
2222 eth_test->flags |= ETH_TEST_FL_FAILED;
2223
2224 if (if_running)
2225 /* indicate we're in test mode */
2226 ixgbe_close(netdev);
2227 else
2228 ixgbe_reset(adapter);
2229
2230 e_info(hw, "register testing starting\n");
2231 if (ixgbe_reg_test(adapter, &data[0]))
2232 eth_test->flags |= ETH_TEST_FL_FAILED;
2233
2234 ixgbe_reset(adapter);
2235 e_info(hw, "eeprom testing starting\n");
2236 if (ixgbe_eeprom_test(adapter, &data[1]))
2237 eth_test->flags |= ETH_TEST_FL_FAILED;
2238
2239 ixgbe_reset(adapter);
2240 e_info(hw, "interrupt testing starting\n");
2241 if (ixgbe_intr_test(adapter, &data[2]))
2242 eth_test->flags |= ETH_TEST_FL_FAILED;
2243
2244 /* If SRIOV or VMDq is enabled then skip MAC
2245 * loopback diagnostic. */
2246 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2247 IXGBE_FLAG_VMDQ_ENABLED)) {
2248 e_info(hw, "Skip MAC loopback diagnostic in VT mode\n");
2249 data[3] = 0;
2250 goto skip_loopback;
2251 }
2252
2253 ixgbe_reset(adapter);
2254 e_info(hw, "loopback testing starting\n");
2255 if (ixgbe_loopback_test(adapter, &data[3]))
2256 eth_test->flags |= ETH_TEST_FL_FAILED;
2257
2258skip_loopback:
2259 ixgbe_reset(adapter);
2260
2261 /* clear testing bit and return adapter to previous state */
2262 clear_bit(__IXGBE_TESTING, &adapter->state);
2263 if (if_running)
2264 ixgbe_open(netdev);
2265 else if (hw->mac.ops.disable_tx_laser)
2266 hw->mac.ops.disable_tx_laser(hw);
2267 } else {
2268 e_info(hw, "online testing starting\n");
2269
2270 /* Online tests */
2271 if (ixgbe_link_test(adapter, &data[4]))
2272 eth_test->flags |= ETH_TEST_FL_FAILED;
2273
2274 /* Offline tests aren't run; pass by default */
2275 data[0] = 0;
2276 data[1] = 0;
2277 data[2] = 0;
2278 data[3] = 0;
2279
2280 clear_bit(__IXGBE_TESTING, &adapter->state);
2281 }
2282}
2283
2284static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
2285 struct ethtool_wolinfo *wol)
2286{
2287 struct ixgbe_hw *hw = &adapter->hw;
2288 int retval = 0;
2289
2290 /* WOL not supported for all devices */
2291 if (!ixgbe_wol_supported(adapter, hw->device_id,
2292 hw->subsystem_device_id)) {
2293 retval = 1;
2294 wol->supported = 0;
2295 }
2296
2297 return retval;
2298}
2299
2300static void ixgbe_get_wol(struct net_device *netdev,
2301 struct ethtool_wolinfo *wol)
2302{
2303 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2304
2305 wol->supported = WAKE_UCAST | WAKE_MCAST |
2306 WAKE_BCAST | WAKE_MAGIC;
2307 wol->wolopts = 0;
2308
2309 if (ixgbe_wol_exclusion(adapter, wol) ||
2310 !device_can_wakeup(&adapter->pdev->dev))
2311 return;
2312
2313 if (adapter->wol & IXGBE_WUFC_EX)
2314 wol->wolopts |= WAKE_UCAST;
2315 if (adapter->wol & IXGBE_WUFC_MC)
2316 wol->wolopts |= WAKE_MCAST;
2317 if (adapter->wol & IXGBE_WUFC_BC)
2318 wol->wolopts |= WAKE_BCAST;
2319 if (adapter->wol & IXGBE_WUFC_MAG)
2320 wol->wolopts |= WAKE_MAGIC;
2321}
2322
2323static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2324{
2325 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2326
2327 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE |
2328 WAKE_FILTER))
2329 return -EOPNOTSUPP;
2330
2331 if (ixgbe_wol_exclusion(adapter, wol))
2332 return wol->wolopts ? -EOPNOTSUPP : 0;
2333
2334 adapter->wol = 0;
2335
2336 if (wol->wolopts & WAKE_UCAST)
2337 adapter->wol |= IXGBE_WUFC_EX;
2338 if (wol->wolopts & WAKE_MCAST)
2339 adapter->wol |= IXGBE_WUFC_MC;
2340 if (wol->wolopts & WAKE_BCAST)
2341 adapter->wol |= IXGBE_WUFC_BC;
2342 if (wol->wolopts & WAKE_MAGIC)
2343 adapter->wol |= IXGBE_WUFC_MAG;
2344
2345 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2346
2347 return 0;
2348}
2349
2350static int ixgbe_nway_reset(struct net_device *netdev)
2351{
2352 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2353
2354 if (netif_running(netdev))
2355 ixgbe_reinit_locked(adapter);
2356
2357 return 0;
2358}
2359
2360static int ixgbe_set_phys_id(struct net_device *netdev,
2361 enum ethtool_phys_id_state state)
2362{
2363 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2364 struct ixgbe_hw *hw = &adapter->hw;
2365
2366 if (!hw->mac.ops.led_on || !hw->mac.ops.led_off)
2367 return -EOPNOTSUPP;
2368
2369 switch (state) {
2370 case ETHTOOL_ID_ACTIVE:
2371 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2372 return 2;
2373
2374 case ETHTOOL_ID_ON:
2375 hw->mac.ops.led_on(hw, hw->mac.led_link_act);
2376 break;
2377
2378 case ETHTOOL_ID_OFF:
2379 hw->mac.ops.led_off(hw, hw->mac.led_link_act);
2380 break;
2381
2382 case ETHTOOL_ID_INACTIVE:
2383 /* Restore LED settings */
2384 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2385 break;
2386 }
2387
2388 return 0;
2389}
2390
2391static int ixgbe_get_coalesce(struct net_device *netdev,
2392 struct ethtool_coalesce *ec,
2393 struct kernel_ethtool_coalesce *kernel_coal,
2394 struct netlink_ext_ack *extack)
2395{
2396 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2397
2398 /* only valid if in constant ITR mode */
2399 if (adapter->rx_itr_setting <= 1)
2400 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2401 else
2402 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2403
2404 /* if in mixed tx/rx queues per vector mode, report only rx settings */
2405 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2406 return 0;
2407
2408 /* only valid if in constant ITR mode */
2409 if (adapter->tx_itr_setting <= 1)
2410 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2411 else
2412 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2413
2414 return 0;
2415}
2416
2417/*
2418 * this function must be called before setting the new value of
2419 * rx_itr_setting
2420 */
2421static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2422{
2423 struct net_device *netdev = adapter->netdev;
2424
2425 /* nothing to do if LRO or RSC are not enabled */
2426 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2427 !(netdev->features & NETIF_F_LRO))
2428 return false;
2429
2430 /* check the feature flag value and enable RSC if necessary */
2431 if (adapter->rx_itr_setting == 1 ||
2432 adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2433 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2434 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2435 e_info(probe, "rx-usecs value high enough to re-enable RSC\n");
2436 return true;
2437 }
2438 /* if interrupt rate is too high then disable RSC */
2439 } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2440 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2441 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2442 return true;
2443 }
2444 return false;
2445}
2446
2447static int ixgbe_set_coalesce(struct net_device *netdev,
2448 struct ethtool_coalesce *ec,
2449 struct kernel_ethtool_coalesce *kernel_coal,
2450 struct netlink_ext_ack *extack)
2451{
2452 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2453 struct ixgbe_q_vector *q_vector;
2454 int i;
2455 u16 tx_itr_param, rx_itr_param, tx_itr_prev;
2456 bool need_reset = false;
2457
2458 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2459 /* reject Tx specific changes in case of mixed RxTx vectors */
2460 if (ec->tx_coalesce_usecs)
2461 return -EINVAL;
2462 tx_itr_prev = adapter->rx_itr_setting;
2463 } else {
2464 tx_itr_prev = adapter->tx_itr_setting;
2465 }
2466
2467 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2468 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2469 return -EINVAL;
2470
2471 if (ec->rx_coalesce_usecs > 1)
2472 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2473 else
2474 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2475
2476 if (adapter->rx_itr_setting == 1)
2477 rx_itr_param = IXGBE_20K_ITR;
2478 else
2479 rx_itr_param = adapter->rx_itr_setting;
2480
2481 if (ec->tx_coalesce_usecs > 1)
2482 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2483 else
2484 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2485
2486 if (adapter->tx_itr_setting == 1)
2487 tx_itr_param = IXGBE_12K_ITR;
2488 else
2489 tx_itr_param = adapter->tx_itr_setting;
2490
2491 /* mixed Rx/Tx */
2492 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2493 adapter->tx_itr_setting = adapter->rx_itr_setting;
2494
2495 /* detect ITR changes that require update of TXDCTL.WTHRESH */
2496 if ((adapter->tx_itr_setting != 1) &&
2497 (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2498 if ((tx_itr_prev == 1) ||
2499 (tx_itr_prev >= IXGBE_100K_ITR))
2500 need_reset = true;
2501 } else {
2502 if ((tx_itr_prev != 1) &&
2503 (tx_itr_prev < IXGBE_100K_ITR))
2504 need_reset = true;
2505 }
2506
2507 /* check the old value and enable RSC if necessary */
2508 need_reset |= ixgbe_update_rsc(adapter);
2509
2510 for (i = 0; i < adapter->num_q_vectors; i++) {
2511 q_vector = adapter->q_vector[i];
2512 if (q_vector->tx.count && !q_vector->rx.count)
2513 /* tx only */
2514 q_vector->itr = tx_itr_param;
2515 else
2516 /* rx only or mixed */
2517 q_vector->itr = rx_itr_param;
2518 ixgbe_write_eitr(q_vector);
2519 }
2520
2521 /*
2522 * do reset here at the end to make sure EITR==0 case is handled
2523 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2524 * also locks in RSC enable/disable which requires reset
2525 */
2526 if (need_reset)
2527 ixgbe_do_reset(netdev);
2528
2529 return 0;
2530}
2531
2532static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2533 struct ethtool_rxnfc *cmd)
2534{
2535 union ixgbe_atr_input *mask = &adapter->fdir_mask;
2536 struct ethtool_rx_flow_spec *fsp =
2537 (struct ethtool_rx_flow_spec *)&cmd->fs;
2538 struct hlist_node *node2;
2539 struct ixgbe_fdir_filter *rule = NULL;
2540
2541 /* report total rule count */
2542 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2543
2544 hlist_for_each_entry_safe(rule, node2,
2545 &adapter->fdir_filter_list, fdir_node) {
2546 if (fsp->location <= rule->sw_idx)
2547 break;
2548 }
2549
2550 if (!rule || fsp->location != rule->sw_idx)
2551 return -EINVAL;
2552
2553 /* fill out the flow spec entry */
2554
2555 /* set flow type field */
2556 switch (rule->filter.formatted.flow_type) {
2557 case IXGBE_ATR_FLOW_TYPE_TCPV4:
2558 fsp->flow_type = TCP_V4_FLOW;
2559 break;
2560 case IXGBE_ATR_FLOW_TYPE_UDPV4:
2561 fsp->flow_type = UDP_V4_FLOW;
2562 break;
2563 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2564 fsp->flow_type = SCTP_V4_FLOW;
2565 break;
2566 case IXGBE_ATR_FLOW_TYPE_IPV4:
2567 fsp->flow_type = IP_USER_FLOW;
2568 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2569 fsp->h_u.usr_ip4_spec.proto = 0;
2570 fsp->m_u.usr_ip4_spec.proto = 0;
2571 break;
2572 default:
2573 return -EINVAL;
2574 }
2575
2576 fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2577 fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2578 fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2579 fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2580 fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2581 fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2582 fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2583 fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2584 fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2585 fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2586 fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2587 fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2588 fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2589 fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2590 fsp->flow_type |= FLOW_EXT;
2591
2592 /* record action */
2593 if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2594 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2595 else
2596 fsp->ring_cookie = rule->action;
2597
2598 return 0;
2599}
2600
2601static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2602 struct ethtool_rxnfc *cmd,
2603 u32 *rule_locs)
2604{
2605 struct hlist_node *node2;
2606 struct ixgbe_fdir_filter *rule;
2607 int cnt = 0;
2608
2609 /* report total rule count */
2610 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2611
2612 hlist_for_each_entry_safe(rule, node2,
2613 &adapter->fdir_filter_list, fdir_node) {
2614 if (cnt == cmd->rule_cnt)
2615 return -EMSGSIZE;
2616 rule_locs[cnt] = rule->sw_idx;
2617 cnt++;
2618 }
2619
2620 cmd->rule_cnt = cnt;
2621
2622 return 0;
2623}
2624
2625static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2626 struct ethtool_rxnfc *cmd)
2627{
2628 cmd->data = 0;
2629
2630 /* Report default options for RSS on ixgbe */
2631 switch (cmd->flow_type) {
2632 case TCP_V4_FLOW:
2633 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2634 fallthrough;
2635 case UDP_V4_FLOW:
2636 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2637 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2638 fallthrough;
2639 case SCTP_V4_FLOW:
2640 case AH_ESP_V4_FLOW:
2641 case AH_V4_FLOW:
2642 case ESP_V4_FLOW:
2643 case IPV4_FLOW:
2644 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2645 break;
2646 case TCP_V6_FLOW:
2647 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2648 fallthrough;
2649 case UDP_V6_FLOW:
2650 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2651 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2652 fallthrough;
2653 case SCTP_V6_FLOW:
2654 case AH_ESP_V6_FLOW:
2655 case AH_V6_FLOW:
2656 case ESP_V6_FLOW:
2657 case IPV6_FLOW:
2658 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2659 break;
2660 default:
2661 return -EINVAL;
2662 }
2663
2664 return 0;
2665}
2666
2667static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter)
2668{
2669 if (adapter->hw.mac.type < ixgbe_mac_X550)
2670 return 16;
2671 else
2672 return 64;
2673}
2674
2675static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2676 u32 *rule_locs)
2677{
2678 struct ixgbe_adapter *adapter = netdev_priv(dev);
2679 int ret = -EOPNOTSUPP;
2680
2681 switch (cmd->cmd) {
2682 case ETHTOOL_GRXRINGS:
2683 cmd->data = min_t(int, adapter->num_rx_queues,
2684 ixgbe_rss_indir_tbl_max(adapter));
2685 ret = 0;
2686 break;
2687 case ETHTOOL_GRXCLSRLCNT:
2688 cmd->rule_cnt = adapter->fdir_filter_count;
2689 ret = 0;
2690 break;
2691 case ETHTOOL_GRXCLSRULE:
2692 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2693 break;
2694 case ETHTOOL_GRXCLSRLALL:
2695 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2696 break;
2697 case ETHTOOL_GRXFH:
2698 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2699 break;
2700 default:
2701 break;
2702 }
2703
2704 return ret;
2705}
2706
2707int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2708 struct ixgbe_fdir_filter *input,
2709 u16 sw_idx)
2710{
2711 struct ixgbe_hw *hw = &adapter->hw;
2712 struct hlist_node *node2;
2713 struct ixgbe_fdir_filter *rule, *parent;
2714 int err = -EINVAL;
2715
2716 parent = NULL;
2717 rule = NULL;
2718
2719 hlist_for_each_entry_safe(rule, node2,
2720 &adapter->fdir_filter_list, fdir_node) {
2721 /* hash found, or no matching entry */
2722 if (rule->sw_idx >= sw_idx)
2723 break;
2724 parent = rule;
2725 }
2726
2727 /* if there is an old rule occupying our place remove it */
2728 if (rule && (rule->sw_idx == sw_idx)) {
2729 if (!input || (rule->filter.formatted.bkt_hash !=
2730 input->filter.formatted.bkt_hash)) {
2731 err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2732 &rule->filter,
2733 sw_idx);
2734 }
2735
2736 hlist_del(&rule->fdir_node);
2737 kfree(rule);
2738 adapter->fdir_filter_count--;
2739 }
2740
2741 /*
2742 * If no input this was a delete, err should be 0 if a rule was
2743 * successfully found and removed from the list else -EINVAL
2744 */
2745 if (!input)
2746 return err;
2747
2748 /* initialize node and set software index */
2749 INIT_HLIST_NODE(&input->fdir_node);
2750
2751 /* add filter to the list */
2752 if (parent)
2753 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2754 else
2755 hlist_add_head(&input->fdir_node,
2756 &adapter->fdir_filter_list);
2757
2758 /* update counts */
2759 adapter->fdir_filter_count++;
2760
2761 return 0;
2762}
2763
2764static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2765 u8 *flow_type)
2766{
2767 switch (fsp->flow_type & ~FLOW_EXT) {
2768 case TCP_V4_FLOW:
2769 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2770 break;
2771 case UDP_V4_FLOW:
2772 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2773 break;
2774 case SCTP_V4_FLOW:
2775 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2776 break;
2777 case IP_USER_FLOW:
2778 switch (fsp->h_u.usr_ip4_spec.proto) {
2779 case IPPROTO_TCP:
2780 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2781 break;
2782 case IPPROTO_UDP:
2783 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2784 break;
2785 case IPPROTO_SCTP:
2786 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2787 break;
2788 case 0:
2789 if (!fsp->m_u.usr_ip4_spec.proto) {
2790 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2791 break;
2792 }
2793 fallthrough;
2794 default:
2795 return 0;
2796 }
2797 break;
2798 default:
2799 return 0;
2800 }
2801
2802 return 1;
2803}
2804
2805static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2806 struct ethtool_rxnfc *cmd)
2807{
2808 struct ethtool_rx_flow_spec *fsp =
2809 (struct ethtool_rx_flow_spec *)&cmd->fs;
2810 struct ixgbe_hw *hw = &adapter->hw;
2811 struct ixgbe_fdir_filter *input;
2812 union ixgbe_atr_input mask;
2813 u8 queue;
2814 int err;
2815
2816 if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2817 return -EOPNOTSUPP;
2818
2819 /* ring_cookie is a masked into a set of queues and ixgbe pools or
2820 * we use the drop index.
2821 */
2822 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
2823 queue = IXGBE_FDIR_DROP_QUEUE;
2824 } else {
2825 u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
2826 u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
2827
2828 if (!vf && (ring >= adapter->num_rx_queues))
2829 return -EINVAL;
2830 else if (vf &&
2831 ((vf > adapter->num_vfs) ||
2832 ring >= adapter->num_rx_queues_per_pool))
2833 return -EINVAL;
2834
2835 /* Map the ring onto the absolute queue index */
2836 if (!vf)
2837 queue = adapter->rx_ring[ring]->reg_idx;
2838 else
2839 queue = ((vf - 1) *
2840 adapter->num_rx_queues_per_pool) + ring;
2841 }
2842
2843 /* Don't allow indexes to exist outside of available space */
2844 if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2845 e_err(drv, "Location out of range\n");
2846 return -EINVAL;
2847 }
2848
2849 input = kzalloc(sizeof(*input), GFP_ATOMIC);
2850 if (!input)
2851 return -ENOMEM;
2852
2853 memset(&mask, 0, sizeof(union ixgbe_atr_input));
2854
2855 /* set SW index */
2856 input->sw_idx = fsp->location;
2857
2858 /* record flow type */
2859 if (!ixgbe_flowspec_to_flow_type(fsp,
2860 &input->filter.formatted.flow_type)) {
2861 e_err(drv, "Unrecognized flow type\n");
2862 goto err_out;
2863 }
2864
2865 mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2866 IXGBE_ATR_L4TYPE_MASK;
2867
2868 if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2869 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2870
2871 /* Copy input into formatted structures */
2872 input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2873 mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2874 input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2875 mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2876 input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2877 mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2878 input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2879 mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2880
2881 if (fsp->flow_type & FLOW_EXT) {
2882 input->filter.formatted.vm_pool =
2883 (unsigned char)ntohl(fsp->h_ext.data[1]);
2884 mask.formatted.vm_pool =
2885 (unsigned char)ntohl(fsp->m_ext.data[1]);
2886 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2887 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2888 input->filter.formatted.flex_bytes =
2889 fsp->h_ext.vlan_etype;
2890 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2891 }
2892
2893 /* determine if we need to drop or route the packet */
2894 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2895 input->action = IXGBE_FDIR_DROP_QUEUE;
2896 else
2897 input->action = fsp->ring_cookie;
2898
2899 spin_lock(&adapter->fdir_perfect_lock);
2900
2901 if (hlist_empty(&adapter->fdir_filter_list)) {
2902 /* save mask and program input mask into HW */
2903 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2904 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2905 if (err) {
2906 e_err(drv, "Error writing mask\n");
2907 goto err_out_w_lock;
2908 }
2909 } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2910 e_err(drv, "Only one mask supported per port\n");
2911 goto err_out_w_lock;
2912 }
2913
2914 /* apply mask and compute/store hash */
2915 ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2916
2917 /* program filters to filter memory */
2918 err = ixgbe_fdir_write_perfect_filter_82599(hw,
2919 &input->filter, input->sw_idx, queue);
2920 if (err)
2921 goto err_out_w_lock;
2922
2923 ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2924
2925 spin_unlock(&adapter->fdir_perfect_lock);
2926
2927 return err;
2928err_out_w_lock:
2929 spin_unlock(&adapter->fdir_perfect_lock);
2930err_out:
2931 kfree(input);
2932 return -EINVAL;
2933}
2934
2935static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2936 struct ethtool_rxnfc *cmd)
2937{
2938 struct ethtool_rx_flow_spec *fsp =
2939 (struct ethtool_rx_flow_spec *)&cmd->fs;
2940 int err;
2941
2942 spin_lock(&adapter->fdir_perfect_lock);
2943 err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2944 spin_unlock(&adapter->fdir_perfect_lock);
2945
2946 return err;
2947}
2948
2949#define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2950 IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2951static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2952 struct ethtool_rxnfc *nfc)
2953{
2954 u32 flags2 = adapter->flags2;
2955
2956 /*
2957 * RSS does not support anything other than hashing
2958 * to queues on src and dst IPs and ports
2959 */
2960 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2961 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2962 return -EINVAL;
2963
2964 switch (nfc->flow_type) {
2965 case TCP_V4_FLOW:
2966 case TCP_V6_FLOW:
2967 if (!(nfc->data & RXH_IP_SRC) ||
2968 !(nfc->data & RXH_IP_DST) ||
2969 !(nfc->data & RXH_L4_B_0_1) ||
2970 !(nfc->data & RXH_L4_B_2_3))
2971 return -EINVAL;
2972 break;
2973 case UDP_V4_FLOW:
2974 if (!(nfc->data & RXH_IP_SRC) ||
2975 !(nfc->data & RXH_IP_DST))
2976 return -EINVAL;
2977 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2978 case 0:
2979 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2980 break;
2981 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2982 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2983 break;
2984 default:
2985 return -EINVAL;
2986 }
2987 break;
2988 case UDP_V6_FLOW:
2989 if (!(nfc->data & RXH_IP_SRC) ||
2990 !(nfc->data & RXH_IP_DST))
2991 return -EINVAL;
2992 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2993 case 0:
2994 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2995 break;
2996 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2997 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2998 break;
2999 default:
3000 return -EINVAL;
3001 }
3002 break;
3003 case AH_ESP_V4_FLOW:
3004 case AH_V4_FLOW:
3005 case ESP_V4_FLOW:
3006 case SCTP_V4_FLOW:
3007 case AH_ESP_V6_FLOW:
3008 case AH_V6_FLOW:
3009 case ESP_V6_FLOW:
3010 case SCTP_V6_FLOW:
3011 if (!(nfc->data & RXH_IP_SRC) ||
3012 !(nfc->data & RXH_IP_DST) ||
3013 (nfc->data & RXH_L4_B_0_1) ||
3014 (nfc->data & RXH_L4_B_2_3))
3015 return -EINVAL;
3016 break;
3017 default:
3018 return -EINVAL;
3019 }
3020
3021 /* if we changed something we need to update flags */
3022 if (flags2 != adapter->flags2) {
3023 struct ixgbe_hw *hw = &adapter->hw;
3024 u32 mrqc;
3025 unsigned int pf_pool = adapter->num_vfs;
3026
3027 if ((hw->mac.type >= ixgbe_mac_X550) &&
3028 (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3029 mrqc = IXGBE_READ_REG(hw, IXGBE_PFVFMRQC(pf_pool));
3030 else
3031 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
3032
3033 if ((flags2 & UDP_RSS_FLAGS) &&
3034 !(adapter->flags2 & UDP_RSS_FLAGS))
3035 e_warn(drv, "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
3036
3037 adapter->flags2 = flags2;
3038
3039 /* Perform hash on these packet types */
3040 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
3041 | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
3042 | IXGBE_MRQC_RSS_FIELD_IPV6
3043 | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
3044
3045 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
3046 IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
3047
3048 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
3049 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
3050
3051 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
3052 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
3053
3054 if ((hw->mac.type >= ixgbe_mac_X550) &&
3055 (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3056 IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), mrqc);
3057 else
3058 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
3059 }
3060
3061 return 0;
3062}
3063
3064static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
3065{
3066 struct ixgbe_adapter *adapter = netdev_priv(dev);
3067 int ret = -EOPNOTSUPP;
3068
3069 switch (cmd->cmd) {
3070 case ETHTOOL_SRXCLSRLINS:
3071 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
3072 break;
3073 case ETHTOOL_SRXCLSRLDEL:
3074 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
3075 break;
3076 case ETHTOOL_SRXFH:
3077 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
3078 break;
3079 default:
3080 break;
3081 }
3082
3083 return ret;
3084}
3085
3086static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev)
3087{
3088 return IXGBE_RSS_KEY_SIZE;
3089}
3090
3091static u32 ixgbe_rss_indir_size(struct net_device *netdev)
3092{
3093 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3094
3095 return ixgbe_rss_indir_tbl_entries(adapter);
3096}
3097
3098static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir)
3099{
3100 int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter);
3101 u16 rss_m = adapter->ring_feature[RING_F_RSS].mask;
3102
3103 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3104 rss_m = adapter->ring_feature[RING_F_RSS].indices - 1;
3105
3106 for (i = 0; i < reta_size; i++)
3107 indir[i] = adapter->rss_indir_tbl[i] & rss_m;
3108}
3109
3110static int ixgbe_get_rxfh(struct net_device *netdev,
3111 struct ethtool_rxfh_param *rxfh)
3112{
3113 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3114
3115 rxfh->hfunc = ETH_RSS_HASH_TOP;
3116
3117 if (rxfh->indir)
3118 ixgbe_get_reta(adapter, rxfh->indir);
3119
3120 if (rxfh->key)
3121 memcpy(rxfh->key, adapter->rss_key,
3122 ixgbe_get_rxfh_key_size(netdev));
3123
3124 return 0;
3125}
3126
3127static int ixgbe_set_rxfh(struct net_device *netdev,
3128 struct ethtool_rxfh_param *rxfh,
3129 struct netlink_ext_ack *extack)
3130{
3131 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3132 int i;
3133 u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
3134
3135 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
3136 rxfh->hfunc != ETH_RSS_HASH_TOP)
3137 return -EOPNOTSUPP;
3138
3139 /* Fill out the redirection table */
3140 if (rxfh->indir) {
3141 int max_queues = min_t(int, adapter->num_rx_queues,
3142 ixgbe_rss_indir_tbl_max(adapter));
3143
3144 /*Allow at least 2 queues w/ SR-IOV.*/
3145 if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
3146 (max_queues < 2))
3147 max_queues = 2;
3148
3149 /* Verify user input. */
3150 for (i = 0; i < reta_entries; i++)
3151 if (rxfh->indir[i] >= max_queues)
3152 return -EINVAL;
3153
3154 for (i = 0; i < reta_entries; i++)
3155 adapter->rss_indir_tbl[i] = rxfh->indir[i];
3156
3157 ixgbe_store_reta(adapter);
3158 }
3159
3160 /* Fill out the rss hash key */
3161 if (rxfh->key) {
3162 memcpy(adapter->rss_key, rxfh->key,
3163 ixgbe_get_rxfh_key_size(netdev));
3164 ixgbe_store_key(adapter);
3165 }
3166
3167 return 0;
3168}
3169
3170static int ixgbe_get_ts_info(struct net_device *dev,
3171 struct ethtool_ts_info *info)
3172{
3173 struct ixgbe_adapter *adapter = netdev_priv(dev);
3174
3175 /* we always support timestamping disabled */
3176 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
3177
3178 switch (adapter->hw.mac.type) {
3179 case ixgbe_mac_X550:
3180 case ixgbe_mac_X550EM_x:
3181 case ixgbe_mac_x550em_a:
3182 info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
3183 break;
3184 case ixgbe_mac_X540:
3185 case ixgbe_mac_82599EB:
3186 info->rx_filters |=
3187 BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3188 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3189 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
3190 break;
3191 default:
3192 return ethtool_op_get_ts_info(dev, info);
3193 }
3194
3195 info->so_timestamping =
3196 SOF_TIMESTAMPING_TX_SOFTWARE |
3197 SOF_TIMESTAMPING_RX_SOFTWARE |
3198 SOF_TIMESTAMPING_SOFTWARE |
3199 SOF_TIMESTAMPING_TX_HARDWARE |
3200 SOF_TIMESTAMPING_RX_HARDWARE |
3201 SOF_TIMESTAMPING_RAW_HARDWARE;
3202
3203 if (adapter->ptp_clock)
3204 info->phc_index = ptp_clock_index(adapter->ptp_clock);
3205 else
3206 info->phc_index = -1;
3207
3208 info->tx_types =
3209 BIT(HWTSTAMP_TX_OFF) |
3210 BIT(HWTSTAMP_TX_ON);
3211
3212 return 0;
3213}
3214
3215static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
3216{
3217 unsigned int max_combined;
3218 u8 tcs = adapter->hw_tcs;
3219
3220 if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
3221 /* We only support one q_vector without MSI-X */
3222 max_combined = 1;
3223 } else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
3224 /* Limit value based on the queue mask */
3225 max_combined = adapter->ring_feature[RING_F_RSS].mask + 1;
3226 } else if (tcs > 1) {
3227 /* For DCB report channels per traffic class */
3228 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
3229 /* 8 TC w/ 4 queues per TC */
3230 max_combined = 4;
3231 } else if (tcs > 4) {
3232 /* 8 TC w/ 8 queues per TC */
3233 max_combined = 8;
3234 } else {
3235 /* 4 TC w/ 16 queues per TC */
3236 max_combined = 16;
3237 }
3238 } else if (adapter->atr_sample_rate) {
3239 /* support up to 64 queues with ATR */
3240 max_combined = IXGBE_MAX_FDIR_INDICES;
3241 } else {
3242 /* support up to 16 queues with RSS */
3243 max_combined = ixgbe_max_rss_indices(adapter);
3244 }
3245
3246 return min_t(int, max_combined, num_online_cpus());
3247}
3248
3249static void ixgbe_get_channels(struct net_device *dev,
3250 struct ethtool_channels *ch)
3251{
3252 struct ixgbe_adapter *adapter = netdev_priv(dev);
3253
3254 /* report maximum channels */
3255 ch->max_combined = ixgbe_max_channels(adapter);
3256
3257 /* report info for other vector */
3258 if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
3259 ch->max_other = NON_Q_VECTORS;
3260 ch->other_count = NON_Q_VECTORS;
3261 }
3262
3263 /* record RSS queues */
3264 ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
3265
3266 /* nothing else to report if RSS is disabled */
3267 if (ch->combined_count == 1)
3268 return;
3269
3270 /* we do not support ATR queueing if SR-IOV is enabled */
3271 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3272 return;
3273
3274 /* same thing goes for being DCB enabled */
3275 if (adapter->hw_tcs > 1)
3276 return;
3277
3278 /* if ATR is disabled we can exit */
3279 if (!adapter->atr_sample_rate)
3280 return;
3281
3282 /* report flow director queues as maximum channels */
3283 ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
3284}
3285
3286static int ixgbe_set_channels(struct net_device *dev,
3287 struct ethtool_channels *ch)
3288{
3289 struct ixgbe_adapter *adapter = netdev_priv(dev);
3290 unsigned int count = ch->combined_count;
3291 u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
3292
3293 /* verify they are not requesting separate vectors */
3294 if (!count || ch->rx_count || ch->tx_count)
3295 return -EINVAL;
3296
3297 /* verify other_count has not changed */
3298 if (ch->other_count != NON_Q_VECTORS)
3299 return -EINVAL;
3300
3301 /* verify the number of channels does not exceed hardware limits */
3302 if (count > ixgbe_max_channels(adapter))
3303 return -EINVAL;
3304
3305 /* update feature limits from largest to smallest supported values */
3306 adapter->ring_feature[RING_F_FDIR].limit = count;
3307
3308 /* cap RSS limit */
3309 if (count > max_rss_indices)
3310 count = max_rss_indices;
3311 adapter->ring_feature[RING_F_RSS].limit = count;
3312
3313#ifdef IXGBE_FCOE
3314 /* cap FCoE limit at 8 */
3315 if (count > IXGBE_FCRETA_SIZE)
3316 count = IXGBE_FCRETA_SIZE;
3317 adapter->ring_feature[RING_F_FCOE].limit = count;
3318
3319#endif
3320 /* use setup TC to update any traffic class queue mapping */
3321 return ixgbe_setup_tc(dev, adapter->hw_tcs);
3322}
3323
3324static int ixgbe_get_module_info(struct net_device *dev,
3325 struct ethtool_modinfo *modinfo)
3326{
3327 struct ixgbe_adapter *adapter = netdev_priv(dev);
3328 struct ixgbe_hw *hw = &adapter->hw;
3329 s32 status;
3330 u8 sff8472_rev, addr_mode;
3331 bool page_swap = false;
3332
3333 if (hw->phy.type == ixgbe_phy_fw)
3334 return -ENXIO;
3335
3336 /* Check whether we support SFF-8472 or not */
3337 status = hw->phy.ops.read_i2c_eeprom(hw,
3338 IXGBE_SFF_SFF_8472_COMP,
3339 &sff8472_rev);
3340 if (status)
3341 return -EIO;
3342
3343 /* addressing mode is not supported */
3344 status = hw->phy.ops.read_i2c_eeprom(hw,
3345 IXGBE_SFF_SFF_8472_SWAP,
3346 &addr_mode);
3347 if (status)
3348 return -EIO;
3349
3350 if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3351 e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3352 page_swap = true;
3353 }
3354
3355 if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap ||
3356 !(addr_mode & IXGBE_SFF_DDM_IMPLEMENTED)) {
3357 /* We have a SFP, but it does not support SFF-8472 */
3358 modinfo->type = ETH_MODULE_SFF_8079;
3359 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3360 } else {
3361 /* We have a SFP which supports a revision of SFF-8472. */
3362 modinfo->type = ETH_MODULE_SFF_8472;
3363 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3364 }
3365
3366 return 0;
3367}
3368
3369static int ixgbe_get_module_eeprom(struct net_device *dev,
3370 struct ethtool_eeprom *ee,
3371 u8 *data)
3372{
3373 struct ixgbe_adapter *adapter = netdev_priv(dev);
3374 struct ixgbe_hw *hw = &adapter->hw;
3375 s32 status = -EFAULT;
3376 u8 databyte = 0xFF;
3377 int i = 0;
3378
3379 if (ee->len == 0)
3380 return -EINVAL;
3381
3382 if (hw->phy.type == ixgbe_phy_fw)
3383 return -ENXIO;
3384
3385 for (i = ee->offset; i < ee->offset + ee->len; i++) {
3386 /* I2C reads can take long time */
3387 if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3388 return -EBUSY;
3389
3390 if (i < ETH_MODULE_SFF_8079_LEN)
3391 status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
3392 else
3393 status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3394
3395 if (status)
3396 return -EIO;
3397
3398 data[i - ee->offset] = databyte;
3399 }
3400
3401 return 0;
3402}
3403
3404static const struct {
3405 ixgbe_link_speed mac_speed;
3406 u32 supported;
3407} ixgbe_ls_map[] = {
3408 { IXGBE_LINK_SPEED_10_FULL, SUPPORTED_10baseT_Full },
3409 { IXGBE_LINK_SPEED_100_FULL, SUPPORTED_100baseT_Full },
3410 { IXGBE_LINK_SPEED_1GB_FULL, SUPPORTED_1000baseT_Full },
3411 { IXGBE_LINK_SPEED_2_5GB_FULL, SUPPORTED_2500baseX_Full },
3412 { IXGBE_LINK_SPEED_10GB_FULL, SUPPORTED_10000baseT_Full },
3413};
3414
3415static const struct {
3416 u32 lp_advertised;
3417 u32 mac_speed;
3418} ixgbe_lp_map[] = {
3419 { FW_PHY_ACT_UD_2_100M_TX_EEE, SUPPORTED_100baseT_Full },
3420 { FW_PHY_ACT_UD_2_1G_T_EEE, SUPPORTED_1000baseT_Full },
3421 { FW_PHY_ACT_UD_2_10G_T_EEE, SUPPORTED_10000baseT_Full },
3422 { FW_PHY_ACT_UD_2_1G_KX_EEE, SUPPORTED_1000baseKX_Full },
3423 { FW_PHY_ACT_UD_2_10G_KX4_EEE, SUPPORTED_10000baseKX4_Full },
3424 { FW_PHY_ACT_UD_2_10G_KR_EEE, SUPPORTED_10000baseKR_Full},
3425};
3426
3427static int
3428ixgbe_get_eee_fw(struct ixgbe_adapter *adapter, struct ethtool_eee *edata)
3429{
3430 u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
3431 struct ixgbe_hw *hw = &adapter->hw;
3432 s32 rc;
3433 u16 i;
3434
3435 rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_UD_2, &info);
3436 if (rc)
3437 return rc;
3438
3439 edata->lp_advertised = 0;
3440 for (i = 0; i < ARRAY_SIZE(ixgbe_lp_map); ++i) {
3441 if (info[0] & ixgbe_lp_map[i].lp_advertised)
3442 edata->lp_advertised |= ixgbe_lp_map[i].mac_speed;
3443 }
3444
3445 edata->supported = 0;
3446 for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3447 if (hw->phy.eee_speeds_supported & ixgbe_ls_map[i].mac_speed)
3448 edata->supported |= ixgbe_ls_map[i].supported;
3449 }
3450
3451 edata->advertised = 0;
3452 for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3453 if (hw->phy.eee_speeds_advertised & ixgbe_ls_map[i].mac_speed)
3454 edata->advertised |= ixgbe_ls_map[i].supported;
3455 }
3456
3457 edata->eee_enabled = !!edata->advertised;
3458 edata->tx_lpi_enabled = edata->eee_enabled;
3459 if (edata->advertised & edata->lp_advertised)
3460 edata->eee_active = true;
3461
3462 return 0;
3463}
3464
3465static int ixgbe_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
3466{
3467 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3468 struct ixgbe_hw *hw = &adapter->hw;
3469
3470 if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3471 return -EOPNOTSUPP;
3472
3473 if (hw->phy.eee_speeds_supported && hw->phy.type == ixgbe_phy_fw)
3474 return ixgbe_get_eee_fw(adapter, edata);
3475
3476 return -EOPNOTSUPP;
3477}
3478
3479static int ixgbe_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
3480{
3481 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3482 struct ixgbe_hw *hw = &adapter->hw;
3483 struct ethtool_eee eee_data;
3484 s32 ret_val;
3485
3486 if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3487 return -EOPNOTSUPP;
3488
3489 memset(&eee_data, 0, sizeof(struct ethtool_eee));
3490
3491 ret_val = ixgbe_get_eee(netdev, &eee_data);
3492 if (ret_val)
3493 return ret_val;
3494
3495 if (eee_data.eee_enabled && !edata->eee_enabled) {
3496 if (eee_data.tx_lpi_enabled != edata->tx_lpi_enabled) {
3497 e_err(drv, "Setting EEE tx-lpi is not supported\n");
3498 return -EINVAL;
3499 }
3500
3501 if (eee_data.tx_lpi_timer != edata->tx_lpi_timer) {
3502 e_err(drv,
3503 "Setting EEE Tx LPI timer is not supported\n");
3504 return -EINVAL;
3505 }
3506
3507 if (eee_data.advertised != edata->advertised) {
3508 e_err(drv,
3509 "Setting EEE advertised speeds is not supported\n");
3510 return -EINVAL;
3511 }
3512 }
3513
3514 if (eee_data.eee_enabled != edata->eee_enabled) {
3515 if (edata->eee_enabled) {
3516 adapter->flags2 |= IXGBE_FLAG2_EEE_ENABLED;
3517 hw->phy.eee_speeds_advertised =
3518 hw->phy.eee_speeds_supported;
3519 } else {
3520 adapter->flags2 &= ~IXGBE_FLAG2_EEE_ENABLED;
3521 hw->phy.eee_speeds_advertised = 0;
3522 }
3523
3524 /* reset link */
3525 if (netif_running(netdev))
3526 ixgbe_reinit_locked(adapter);
3527 else
3528 ixgbe_reset(adapter);
3529 }
3530
3531 return 0;
3532}
3533
3534static u32 ixgbe_get_priv_flags(struct net_device *netdev)
3535{
3536 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3537 u32 priv_flags = 0;
3538
3539 if (adapter->flags2 & IXGBE_FLAG2_RX_LEGACY)
3540 priv_flags |= IXGBE_PRIV_FLAGS_LEGACY_RX;
3541
3542 if (adapter->flags2 & IXGBE_FLAG2_VF_IPSEC_ENABLED)
3543 priv_flags |= IXGBE_PRIV_FLAGS_VF_IPSEC_EN;
3544
3545 if (adapter->flags2 & IXGBE_FLAG2_AUTO_DISABLE_VF)
3546 priv_flags |= IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF;
3547
3548 return priv_flags;
3549}
3550
3551static int ixgbe_set_priv_flags(struct net_device *netdev, u32 priv_flags)
3552{
3553 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3554 unsigned int flags2 = adapter->flags2;
3555 unsigned int i;
3556
3557 flags2 &= ~IXGBE_FLAG2_RX_LEGACY;
3558 if (priv_flags & IXGBE_PRIV_FLAGS_LEGACY_RX)
3559 flags2 |= IXGBE_FLAG2_RX_LEGACY;
3560
3561 flags2 &= ~IXGBE_FLAG2_VF_IPSEC_ENABLED;
3562 if (priv_flags & IXGBE_PRIV_FLAGS_VF_IPSEC_EN)
3563 flags2 |= IXGBE_FLAG2_VF_IPSEC_ENABLED;
3564
3565 flags2 &= ~IXGBE_FLAG2_AUTO_DISABLE_VF;
3566 if (priv_flags & IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF) {
3567 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
3568 /* Reset primary abort counter */
3569 for (i = 0; i < adapter->num_vfs; i++)
3570 adapter->vfinfo[i].primary_abort_count = 0;
3571
3572 flags2 |= IXGBE_FLAG2_AUTO_DISABLE_VF;
3573 } else {
3574 e_info(probe,
3575 "Cannot set private flags: Operation not supported\n");
3576 return -EOPNOTSUPP;
3577 }
3578 }
3579
3580 if (flags2 != adapter->flags2) {
3581 adapter->flags2 = flags2;
3582
3583 /* reset interface to repopulate queues */
3584 if (netif_running(netdev))
3585 ixgbe_reinit_locked(adapter);
3586 }
3587
3588 return 0;
3589}
3590
3591static const struct ethtool_ops ixgbe_ethtool_ops = {
3592 .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3593 .get_drvinfo = ixgbe_get_drvinfo,
3594 .get_regs_len = ixgbe_get_regs_len,
3595 .get_regs = ixgbe_get_regs,
3596 .get_wol = ixgbe_get_wol,
3597 .set_wol = ixgbe_set_wol,
3598 .nway_reset = ixgbe_nway_reset,
3599 .get_link = ethtool_op_get_link,
3600 .get_eeprom_len = ixgbe_get_eeprom_len,
3601 .get_eeprom = ixgbe_get_eeprom,
3602 .set_eeprom = ixgbe_set_eeprom,
3603 .get_ringparam = ixgbe_get_ringparam,
3604 .set_ringparam = ixgbe_set_ringparam,
3605 .get_pause_stats = ixgbe_get_pause_stats,
3606 .get_pauseparam = ixgbe_get_pauseparam,
3607 .set_pauseparam = ixgbe_set_pauseparam,
3608 .get_msglevel = ixgbe_get_msglevel,
3609 .set_msglevel = ixgbe_set_msglevel,
3610 .self_test = ixgbe_diag_test,
3611 .get_strings = ixgbe_get_strings,
3612 .set_phys_id = ixgbe_set_phys_id,
3613 .get_sset_count = ixgbe_get_sset_count,
3614 .get_ethtool_stats = ixgbe_get_ethtool_stats,
3615 .get_coalesce = ixgbe_get_coalesce,
3616 .set_coalesce = ixgbe_set_coalesce,
3617 .get_rxnfc = ixgbe_get_rxnfc,
3618 .set_rxnfc = ixgbe_set_rxnfc,
3619 .get_rxfh_indir_size = ixgbe_rss_indir_size,
3620 .get_rxfh_key_size = ixgbe_get_rxfh_key_size,
3621 .get_rxfh = ixgbe_get_rxfh,
3622 .set_rxfh = ixgbe_set_rxfh,
3623 .get_eee = ixgbe_get_eee,
3624 .set_eee = ixgbe_set_eee,
3625 .get_channels = ixgbe_get_channels,
3626 .set_channels = ixgbe_set_channels,
3627 .get_priv_flags = ixgbe_get_priv_flags,
3628 .set_priv_flags = ixgbe_set_priv_flags,
3629 .get_ts_info = ixgbe_get_ts_info,
3630 .get_module_info = ixgbe_get_module_info,
3631 .get_module_eeprom = ixgbe_get_module_eeprom,
3632 .get_link_ksettings = ixgbe_get_link_ksettings,
3633 .set_link_ksettings = ixgbe_set_link_ksettings,
3634};
3635
3636void ixgbe_set_ethtool_ops(struct net_device *netdev)
3637{
3638 netdev->ethtool_ops = &ixgbe_ethtool_ops;
3639}
1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2014 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 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29/* ethtool support for ixgbe */
30
31#include <linux/interrupt.h>
32#include <linux/types.h>
33#include <linux/module.h>
34#include <linux/slab.h>
35#include <linux/pci.h>
36#include <linux/netdevice.h>
37#include <linux/ethtool.h>
38#include <linux/vmalloc.h>
39#include <linux/highmem.h>
40#include <linux/uaccess.h>
41
42#include "ixgbe.h"
43#include "ixgbe_phy.h"
44
45
46#define IXGBE_ALL_RAR_ENTRIES 16
47
48enum {NETDEV_STATS, IXGBE_STATS};
49
50struct ixgbe_stats {
51 char stat_string[ETH_GSTRING_LEN];
52 int type;
53 int sizeof_stat;
54 int stat_offset;
55};
56
57#define IXGBE_STAT(m) IXGBE_STATS, \
58 sizeof(((struct ixgbe_adapter *)0)->m), \
59 offsetof(struct ixgbe_adapter, m)
60#define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
61 sizeof(((struct rtnl_link_stats64 *)0)->m), \
62 offsetof(struct rtnl_link_stats64, m)
63
64static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
65 {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
66 {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
67 {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
68 {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
69 {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
70 {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
71 {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
72 {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
73 {"lsc_int", IXGBE_STAT(lsc_int)},
74 {"tx_busy", IXGBE_STAT(tx_busy)},
75 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
76 {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
77 {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
78 {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
79 {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
80 {"multicast", IXGBE_NETDEV_STAT(multicast)},
81 {"broadcast", IXGBE_STAT(stats.bprc)},
82 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
83 {"collisions", IXGBE_NETDEV_STAT(collisions)},
84 {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
85 {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
86 {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
87 {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
88 {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
89 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
90 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
91 {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
92 {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
93 {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
94 {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
95 {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
96 {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
97 {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
98 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
99 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
100 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
101 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
102 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
103 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
104 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
105 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
106 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
107 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
108 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
109 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
110 {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
111 {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
112 {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
113 {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
114#ifdef IXGBE_FCOE
115 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
116 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
117 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
118 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
119 {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
120 {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
121 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
122 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
123#endif /* IXGBE_FCOE */
124};
125
126/* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
127 * we set the num_rx_queues to evaluate to num_tx_queues. This is
128 * used because we do not have a good way to get the max number of
129 * rx queues with CONFIG_RPS disabled.
130 */
131#define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
132
133#define IXGBE_QUEUE_STATS_LEN ( \
134 (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
135 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
136#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
137#define IXGBE_PB_STATS_LEN ( \
138 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
139 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
140 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
141 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
142 / sizeof(u64))
143#define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
144 IXGBE_PB_STATS_LEN + \
145 IXGBE_QUEUE_STATS_LEN)
146
147static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
148 "Register test (offline)", "Eeprom test (offline)",
149 "Interrupt test (offline)", "Loopback test (offline)",
150 "Link test (on/offline)"
151};
152#define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
153
154/* currently supported speeds for 10G */
155#define ADVRTSD_MSK_10G (SUPPORTED_10000baseT_Full | \
156 SUPPORTED_10000baseKX4_Full | \
157 SUPPORTED_10000baseKR_Full)
158
159#define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane)
160
161static u32 ixgbe_get_supported_10gtypes(struct ixgbe_hw *hw)
162{
163 if (!ixgbe_isbackplane(hw->phy.media_type))
164 return SUPPORTED_10000baseT_Full;
165
166 switch (hw->device_id) {
167 case IXGBE_DEV_ID_82598:
168 case IXGBE_DEV_ID_82599_KX4:
169 case IXGBE_DEV_ID_82599_KX4_MEZZ:
170 case IXGBE_DEV_ID_X550EM_X_KX4:
171 return SUPPORTED_10000baseKX4_Full;
172 case IXGBE_DEV_ID_82598_BX:
173 case IXGBE_DEV_ID_82599_KR:
174 case IXGBE_DEV_ID_X550EM_X_KR:
175 return SUPPORTED_10000baseKR_Full;
176 default:
177 return SUPPORTED_10000baseKX4_Full |
178 SUPPORTED_10000baseKR_Full;
179 }
180}
181
182static int ixgbe_get_settings(struct net_device *netdev,
183 struct ethtool_cmd *ecmd)
184{
185 struct ixgbe_adapter *adapter = netdev_priv(netdev);
186 struct ixgbe_hw *hw = &adapter->hw;
187 ixgbe_link_speed supported_link;
188 bool autoneg = false;
189
190 hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
191
192 /* set the supported link speeds */
193 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
194 ecmd->supported |= ixgbe_get_supported_10gtypes(hw);
195 if (supported_link & IXGBE_LINK_SPEED_1GB_FULL)
196 ecmd->supported |= SUPPORTED_1000baseT_Full;
197 if (supported_link & IXGBE_LINK_SPEED_100_FULL)
198 ecmd->supported |= ixgbe_isbackplane(hw->phy.media_type) ?
199 SUPPORTED_1000baseKX_Full :
200 SUPPORTED_1000baseT_Full;
201
202 /* default advertised speed if phy.autoneg_advertised isn't set */
203 ecmd->advertising = ecmd->supported;
204 /* set the advertised speeds */
205 if (hw->phy.autoneg_advertised) {
206 ecmd->advertising = 0;
207 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
208 ecmd->advertising |= ADVERTISED_100baseT_Full;
209 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
210 ecmd->advertising |= ecmd->supported & ADVRTSD_MSK_10G;
211 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) {
212 if (ecmd->supported & SUPPORTED_1000baseKX_Full)
213 ecmd->advertising |= ADVERTISED_1000baseKX_Full;
214 else
215 ecmd->advertising |= ADVERTISED_1000baseT_Full;
216 }
217 } else {
218 if (hw->phy.multispeed_fiber && !autoneg) {
219 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
220 ecmd->advertising = ADVERTISED_10000baseT_Full;
221 }
222 }
223
224 if (autoneg) {
225 ecmd->supported |= SUPPORTED_Autoneg;
226 ecmd->advertising |= ADVERTISED_Autoneg;
227 ecmd->autoneg = AUTONEG_ENABLE;
228 } else
229 ecmd->autoneg = AUTONEG_DISABLE;
230
231 ecmd->transceiver = XCVR_EXTERNAL;
232
233 /* Determine the remaining settings based on the PHY type. */
234 switch (adapter->hw.phy.type) {
235 case ixgbe_phy_tn:
236 case ixgbe_phy_aq:
237 case ixgbe_phy_x550em_ext_t:
238 case ixgbe_phy_cu_unknown:
239 ecmd->supported |= SUPPORTED_TP;
240 ecmd->advertising |= ADVERTISED_TP;
241 ecmd->port = PORT_TP;
242 break;
243 case ixgbe_phy_qt:
244 ecmd->supported |= SUPPORTED_FIBRE;
245 ecmd->advertising |= ADVERTISED_FIBRE;
246 ecmd->port = PORT_FIBRE;
247 break;
248 case ixgbe_phy_nl:
249 case ixgbe_phy_sfp_passive_tyco:
250 case ixgbe_phy_sfp_passive_unknown:
251 case ixgbe_phy_sfp_ftl:
252 case ixgbe_phy_sfp_avago:
253 case ixgbe_phy_sfp_intel:
254 case ixgbe_phy_sfp_unknown:
255 case ixgbe_phy_qsfp_passive_unknown:
256 case ixgbe_phy_qsfp_active_unknown:
257 case ixgbe_phy_qsfp_intel:
258 case ixgbe_phy_qsfp_unknown:
259 /* SFP+ devices, further checking needed */
260 switch (adapter->hw.phy.sfp_type) {
261 case ixgbe_sfp_type_da_cu:
262 case ixgbe_sfp_type_da_cu_core0:
263 case ixgbe_sfp_type_da_cu_core1:
264 ecmd->supported |= SUPPORTED_FIBRE;
265 ecmd->advertising |= ADVERTISED_FIBRE;
266 ecmd->port = PORT_DA;
267 break;
268 case ixgbe_sfp_type_sr:
269 case ixgbe_sfp_type_lr:
270 case ixgbe_sfp_type_srlr_core0:
271 case ixgbe_sfp_type_srlr_core1:
272 case ixgbe_sfp_type_1g_sx_core0:
273 case ixgbe_sfp_type_1g_sx_core1:
274 case ixgbe_sfp_type_1g_lx_core0:
275 case ixgbe_sfp_type_1g_lx_core1:
276 ecmd->supported |= SUPPORTED_FIBRE;
277 ecmd->advertising |= ADVERTISED_FIBRE;
278 ecmd->port = PORT_FIBRE;
279 break;
280 case ixgbe_sfp_type_not_present:
281 ecmd->supported |= SUPPORTED_FIBRE;
282 ecmd->advertising |= ADVERTISED_FIBRE;
283 ecmd->port = PORT_NONE;
284 break;
285 case ixgbe_sfp_type_1g_cu_core0:
286 case ixgbe_sfp_type_1g_cu_core1:
287 ecmd->supported |= SUPPORTED_TP;
288 ecmd->advertising |= ADVERTISED_TP;
289 ecmd->port = PORT_TP;
290 break;
291 case ixgbe_sfp_type_unknown:
292 default:
293 ecmd->supported |= SUPPORTED_FIBRE;
294 ecmd->advertising |= ADVERTISED_FIBRE;
295 ecmd->port = PORT_OTHER;
296 break;
297 }
298 break;
299 case ixgbe_phy_xaui:
300 ecmd->supported |= SUPPORTED_FIBRE;
301 ecmd->advertising |= ADVERTISED_FIBRE;
302 ecmd->port = PORT_NONE;
303 break;
304 case ixgbe_phy_unknown:
305 case ixgbe_phy_generic:
306 case ixgbe_phy_sfp_unsupported:
307 default:
308 ecmd->supported |= SUPPORTED_FIBRE;
309 ecmd->advertising |= ADVERTISED_FIBRE;
310 ecmd->port = PORT_OTHER;
311 break;
312 }
313
314 if (netif_carrier_ok(netdev)) {
315 switch (adapter->link_speed) {
316 case IXGBE_LINK_SPEED_10GB_FULL:
317 ethtool_cmd_speed_set(ecmd, SPEED_10000);
318 break;
319 case IXGBE_LINK_SPEED_2_5GB_FULL:
320 ethtool_cmd_speed_set(ecmd, SPEED_2500);
321 break;
322 case IXGBE_LINK_SPEED_1GB_FULL:
323 ethtool_cmd_speed_set(ecmd, SPEED_1000);
324 break;
325 case IXGBE_LINK_SPEED_100_FULL:
326 ethtool_cmd_speed_set(ecmd, SPEED_100);
327 break;
328 default:
329 break;
330 }
331 ecmd->duplex = DUPLEX_FULL;
332 } else {
333 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
334 ecmd->duplex = DUPLEX_UNKNOWN;
335 }
336
337 return 0;
338}
339
340static int ixgbe_set_settings(struct net_device *netdev,
341 struct ethtool_cmd *ecmd)
342{
343 struct ixgbe_adapter *adapter = netdev_priv(netdev);
344 struct ixgbe_hw *hw = &adapter->hw;
345 u32 advertised, old;
346 s32 err = 0;
347
348 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
349 (hw->phy.multispeed_fiber)) {
350 /*
351 * this function does not support duplex forcing, but can
352 * limit the advertising of the adapter to the specified speed
353 */
354 if (ecmd->advertising & ~ecmd->supported)
355 return -EINVAL;
356
357 /* only allow one speed at a time if no autoneg */
358 if (!ecmd->autoneg && hw->phy.multispeed_fiber) {
359 if (ecmd->advertising ==
360 (ADVERTISED_10000baseT_Full |
361 ADVERTISED_1000baseT_Full))
362 return -EINVAL;
363 }
364
365 old = hw->phy.autoneg_advertised;
366 advertised = 0;
367 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
368 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
369
370 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
371 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
372
373 if (ecmd->advertising & ADVERTISED_100baseT_Full)
374 advertised |= IXGBE_LINK_SPEED_100_FULL;
375
376 if (old == advertised)
377 return err;
378 /* this sets the link speed and restarts auto-neg */
379 while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
380 usleep_range(1000, 2000);
381
382 hw->mac.autotry_restart = true;
383 err = hw->mac.ops.setup_link(hw, advertised, true);
384 if (err) {
385 e_info(probe, "setup link failed with code %d\n", err);
386 hw->mac.ops.setup_link(hw, old, true);
387 }
388 clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
389 } else {
390 /* in this case we currently only support 10Gb/FULL */
391 u32 speed = ethtool_cmd_speed(ecmd);
392 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
393 (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
394 (speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
395 return -EINVAL;
396 }
397
398 return err;
399}
400
401static void ixgbe_get_pauseparam(struct net_device *netdev,
402 struct ethtool_pauseparam *pause)
403{
404 struct ixgbe_adapter *adapter = netdev_priv(netdev);
405 struct ixgbe_hw *hw = &adapter->hw;
406
407 if (ixgbe_device_supports_autoneg_fc(hw) &&
408 !hw->fc.disable_fc_autoneg)
409 pause->autoneg = 1;
410 else
411 pause->autoneg = 0;
412
413 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
414 pause->rx_pause = 1;
415 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
416 pause->tx_pause = 1;
417 } else if (hw->fc.current_mode == ixgbe_fc_full) {
418 pause->rx_pause = 1;
419 pause->tx_pause = 1;
420 }
421}
422
423static int ixgbe_set_pauseparam(struct net_device *netdev,
424 struct ethtool_pauseparam *pause)
425{
426 struct ixgbe_adapter *adapter = netdev_priv(netdev);
427 struct ixgbe_hw *hw = &adapter->hw;
428 struct ixgbe_fc_info fc = hw->fc;
429
430 /* 82598 does no support link flow control with DCB enabled */
431 if ((hw->mac.type == ixgbe_mac_82598EB) &&
432 (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
433 return -EINVAL;
434
435 /* some devices do not support autoneg of link flow control */
436 if ((pause->autoneg == AUTONEG_ENABLE) &&
437 !ixgbe_device_supports_autoneg_fc(hw))
438 return -EINVAL;
439
440 fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
441
442 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
443 fc.requested_mode = ixgbe_fc_full;
444 else if (pause->rx_pause && !pause->tx_pause)
445 fc.requested_mode = ixgbe_fc_rx_pause;
446 else if (!pause->rx_pause && pause->tx_pause)
447 fc.requested_mode = ixgbe_fc_tx_pause;
448 else
449 fc.requested_mode = ixgbe_fc_none;
450
451 /* if the thing changed then we'll update and use new autoneg */
452 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
453 hw->fc = fc;
454 if (netif_running(netdev))
455 ixgbe_reinit_locked(adapter);
456 else
457 ixgbe_reset(adapter);
458 }
459
460 return 0;
461}
462
463static u32 ixgbe_get_msglevel(struct net_device *netdev)
464{
465 struct ixgbe_adapter *adapter = netdev_priv(netdev);
466 return adapter->msg_enable;
467}
468
469static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
470{
471 struct ixgbe_adapter *adapter = netdev_priv(netdev);
472 adapter->msg_enable = data;
473}
474
475static int ixgbe_get_regs_len(struct net_device *netdev)
476{
477#define IXGBE_REGS_LEN 1139
478 return IXGBE_REGS_LEN * sizeof(u32);
479}
480
481#define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
482
483static void ixgbe_get_regs(struct net_device *netdev,
484 struct ethtool_regs *regs, void *p)
485{
486 struct ixgbe_adapter *adapter = netdev_priv(netdev);
487 struct ixgbe_hw *hw = &adapter->hw;
488 u32 *regs_buff = p;
489 u8 i;
490
491 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
492
493 regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
494 hw->device_id;
495
496 /* General Registers */
497 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
498 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
499 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
500 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
501 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
502 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
503 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
504 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
505
506 /* NVM Register */
507 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
508 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
509 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA(hw));
510 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
511 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
512 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
513 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
514 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
515 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
516 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC(hw));
517
518 /* Interrupt */
519 /* don't read EICR because it can clear interrupt causes, instead
520 * read EICS which is a shadow but doesn't clear EICR */
521 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
522 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
523 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
524 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
525 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
526 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
527 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
528 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
529 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
530 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
531 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
532 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
533
534 /* Flow Control */
535 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
536 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
537 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
538 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
539 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
540 for (i = 0; i < 8; i++) {
541 switch (hw->mac.type) {
542 case ixgbe_mac_82598EB:
543 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
544 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
545 break;
546 case ixgbe_mac_82599EB:
547 case ixgbe_mac_X540:
548 case ixgbe_mac_X550:
549 case ixgbe_mac_X550EM_x:
550 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
551 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
552 break;
553 default:
554 break;
555 }
556 }
557 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
558 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
559
560 /* Receive DMA */
561 for (i = 0; i < 64; i++)
562 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
563 for (i = 0; i < 64; i++)
564 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
565 for (i = 0; i < 64; i++)
566 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
567 for (i = 0; i < 64; i++)
568 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
569 for (i = 0; i < 64; i++)
570 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
571 for (i = 0; i < 64; i++)
572 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
573 for (i = 0; i < 16; i++)
574 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
575 for (i = 0; i < 16; i++)
576 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
577 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
578 for (i = 0; i < 8; i++)
579 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
580 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
581 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
582
583 /* Receive */
584 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
585 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
586 for (i = 0; i < 16; i++)
587 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
588 for (i = 0; i < 16; i++)
589 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
590 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
591 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
592 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
593 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
594 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
595 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
596 for (i = 0; i < 8; i++)
597 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
598 for (i = 0; i < 8; i++)
599 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
600 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
601
602 /* Transmit */
603 for (i = 0; i < 32; i++)
604 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
605 for (i = 0; i < 32; i++)
606 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
607 for (i = 0; i < 32; i++)
608 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
609 for (i = 0; i < 32; i++)
610 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
611 for (i = 0; i < 32; i++)
612 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
613 for (i = 0; i < 32; i++)
614 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
615 for (i = 0; i < 32; i++)
616 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
617 for (i = 0; i < 32; i++)
618 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
619 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
620 for (i = 0; i < 16; i++)
621 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
622 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
623 for (i = 0; i < 8; i++)
624 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
625 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
626
627 /* Wake Up */
628 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
629 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
630 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
631 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
632 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
633 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
634 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
635 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
636 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
637
638 /* DCB */
639 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS); /* same as FCCFG */
640 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
641
642 switch (hw->mac.type) {
643 case ixgbe_mac_82598EB:
644 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
645 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
646 for (i = 0; i < 8; i++)
647 regs_buff[833 + i] =
648 IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
649 for (i = 0; i < 8; i++)
650 regs_buff[841 + i] =
651 IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
652 for (i = 0; i < 8; i++)
653 regs_buff[849 + i] =
654 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
655 for (i = 0; i < 8; i++)
656 regs_buff[857 + i] =
657 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
658 break;
659 case ixgbe_mac_82599EB:
660 case ixgbe_mac_X540:
661 case ixgbe_mac_X550:
662 case ixgbe_mac_X550EM_x:
663 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
664 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
665 for (i = 0; i < 8; i++)
666 regs_buff[833 + i] =
667 IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
668 for (i = 0; i < 8; i++)
669 regs_buff[841 + i] =
670 IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
671 for (i = 0; i < 8; i++)
672 regs_buff[849 + i] =
673 IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
674 for (i = 0; i < 8; i++)
675 regs_buff[857 + i] =
676 IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
677 break;
678 default:
679 break;
680 }
681
682 for (i = 0; i < 8; i++)
683 regs_buff[865 + i] =
684 IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
685 for (i = 0; i < 8; i++)
686 regs_buff[873 + i] =
687 IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
688
689 /* Statistics */
690 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
691 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
692 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
693 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
694 for (i = 0; i < 8; i++)
695 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
696 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
697 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
698 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
699 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
700 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
701 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
702 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
703 for (i = 0; i < 8; i++)
704 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
705 for (i = 0; i < 8; i++)
706 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
707 for (i = 0; i < 8; i++)
708 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
709 for (i = 0; i < 8; i++)
710 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
711 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
712 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
713 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
714 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
715 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
716 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
717 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
718 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
719 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
720 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
721 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
722 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
723 for (i = 0; i < 8; i++)
724 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
725 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
726 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
727 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
728 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
729 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
730 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
731 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
732 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
733 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
734 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
735 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
736 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
737 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
738 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
739 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
740 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
741 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
742 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
743 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
744 for (i = 0; i < 16; i++)
745 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
746 for (i = 0; i < 16; i++)
747 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
748 for (i = 0; i < 16; i++)
749 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
750 for (i = 0; i < 16; i++)
751 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
752
753 /* MAC */
754 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
755 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
756 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
757 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
758 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
759 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
760 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
761 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
762 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
763 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
764 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
765 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
766 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
767 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
768 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
769 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
770 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
771 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
772 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
773 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
774 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
775 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
776 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
777 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
778 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
779 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
780 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
781 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
782 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
783 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
784 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
785 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
786 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
787
788 /* Diagnostic */
789 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
790 for (i = 0; i < 8; i++)
791 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
792 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
793 for (i = 0; i < 4; i++)
794 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
795 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
796 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
797 for (i = 0; i < 8; i++)
798 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
799 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
800 for (i = 0; i < 4; i++)
801 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
802 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
803 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
804 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
805 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
806 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
807 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
808 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
809 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
810 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
811 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
812 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
813 for (i = 0; i < 8; i++)
814 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
815 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
816 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
817 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
818 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
819 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
820 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
821 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
822 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
823 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
824
825 /* 82599 X540 specific registers */
826 regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
827
828 /* 82599 X540 specific DCB registers */
829 regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
830 regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
831 for (i = 0; i < 4; i++)
832 regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
833 regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
834 /* same as RTTQCNRM */
835 regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
836 /* same as RTTQCNRR */
837
838 /* X540 specific DCB registers */
839 regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
840 regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
841}
842
843static int ixgbe_get_eeprom_len(struct net_device *netdev)
844{
845 struct ixgbe_adapter *adapter = netdev_priv(netdev);
846 return adapter->hw.eeprom.word_size * 2;
847}
848
849static int ixgbe_get_eeprom(struct net_device *netdev,
850 struct ethtool_eeprom *eeprom, u8 *bytes)
851{
852 struct ixgbe_adapter *adapter = netdev_priv(netdev);
853 struct ixgbe_hw *hw = &adapter->hw;
854 u16 *eeprom_buff;
855 int first_word, last_word, eeprom_len;
856 int ret_val = 0;
857 u16 i;
858
859 if (eeprom->len == 0)
860 return -EINVAL;
861
862 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
863
864 first_word = eeprom->offset >> 1;
865 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
866 eeprom_len = last_word - first_word + 1;
867
868 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
869 if (!eeprom_buff)
870 return -ENOMEM;
871
872 ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
873 eeprom_buff);
874
875 /* Device's eeprom is always little-endian, word addressable */
876 for (i = 0; i < eeprom_len; i++)
877 le16_to_cpus(&eeprom_buff[i]);
878
879 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
880 kfree(eeprom_buff);
881
882 return ret_val;
883}
884
885static int ixgbe_set_eeprom(struct net_device *netdev,
886 struct ethtool_eeprom *eeprom, u8 *bytes)
887{
888 struct ixgbe_adapter *adapter = netdev_priv(netdev);
889 struct ixgbe_hw *hw = &adapter->hw;
890 u16 *eeprom_buff;
891 void *ptr;
892 int max_len, first_word, last_word, ret_val = 0;
893 u16 i;
894
895 if (eeprom->len == 0)
896 return -EINVAL;
897
898 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
899 return -EINVAL;
900
901 max_len = hw->eeprom.word_size * 2;
902
903 first_word = eeprom->offset >> 1;
904 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
905 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
906 if (!eeprom_buff)
907 return -ENOMEM;
908
909 ptr = eeprom_buff;
910
911 if (eeprom->offset & 1) {
912 /*
913 * need read/modify/write of first changed EEPROM word
914 * only the second byte of the word is being modified
915 */
916 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
917 if (ret_val)
918 goto err;
919
920 ptr++;
921 }
922 if ((eeprom->offset + eeprom->len) & 1) {
923 /*
924 * need read/modify/write of last changed EEPROM word
925 * only the first byte of the word is being modified
926 */
927 ret_val = hw->eeprom.ops.read(hw, last_word,
928 &eeprom_buff[last_word - first_word]);
929 if (ret_val)
930 goto err;
931 }
932
933 /* Device's eeprom is always little-endian, word addressable */
934 for (i = 0; i < last_word - first_word + 1; i++)
935 le16_to_cpus(&eeprom_buff[i]);
936
937 memcpy(ptr, bytes, eeprom->len);
938
939 for (i = 0; i < last_word - first_word + 1; i++)
940 cpu_to_le16s(&eeprom_buff[i]);
941
942 ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
943 last_word - first_word + 1,
944 eeprom_buff);
945
946 /* Update the checksum */
947 if (ret_val == 0)
948 hw->eeprom.ops.update_checksum(hw);
949
950err:
951 kfree(eeprom_buff);
952 return ret_val;
953}
954
955static void ixgbe_get_drvinfo(struct net_device *netdev,
956 struct ethtool_drvinfo *drvinfo)
957{
958 struct ixgbe_adapter *adapter = netdev_priv(netdev);
959 u32 nvm_track_id;
960
961 strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
962 strlcpy(drvinfo->version, ixgbe_driver_version,
963 sizeof(drvinfo->version));
964
965 nvm_track_id = (adapter->eeprom_verh << 16) |
966 adapter->eeprom_verl;
967 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
968 nvm_track_id);
969
970 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
971 sizeof(drvinfo->bus_info));
972}
973
974static void ixgbe_get_ringparam(struct net_device *netdev,
975 struct ethtool_ringparam *ring)
976{
977 struct ixgbe_adapter *adapter = netdev_priv(netdev);
978 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
979 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
980
981 ring->rx_max_pending = IXGBE_MAX_RXD;
982 ring->tx_max_pending = IXGBE_MAX_TXD;
983 ring->rx_pending = rx_ring->count;
984 ring->tx_pending = tx_ring->count;
985}
986
987static int ixgbe_set_ringparam(struct net_device *netdev,
988 struct ethtool_ringparam *ring)
989{
990 struct ixgbe_adapter *adapter = netdev_priv(netdev);
991 struct ixgbe_ring *temp_ring;
992 int i, err = 0;
993 u32 new_rx_count, new_tx_count;
994
995 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
996 return -EINVAL;
997
998 new_tx_count = clamp_t(u32, ring->tx_pending,
999 IXGBE_MIN_TXD, IXGBE_MAX_TXD);
1000 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
1001
1002 new_rx_count = clamp_t(u32, ring->rx_pending,
1003 IXGBE_MIN_RXD, IXGBE_MAX_RXD);
1004 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
1005
1006 if ((new_tx_count == adapter->tx_ring_count) &&
1007 (new_rx_count == adapter->rx_ring_count)) {
1008 /* nothing to do */
1009 return 0;
1010 }
1011
1012 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
1013 usleep_range(1000, 2000);
1014
1015 if (!netif_running(adapter->netdev)) {
1016 for (i = 0; i < adapter->num_tx_queues; i++)
1017 adapter->tx_ring[i]->count = new_tx_count;
1018 for (i = 0; i < adapter->num_rx_queues; i++)
1019 adapter->rx_ring[i]->count = new_rx_count;
1020 adapter->tx_ring_count = new_tx_count;
1021 adapter->rx_ring_count = new_rx_count;
1022 goto clear_reset;
1023 }
1024
1025 /* allocate temporary buffer to store rings in */
1026 i = max_t(int, adapter->num_tx_queues, adapter->num_rx_queues);
1027 temp_ring = vmalloc(i * sizeof(struct ixgbe_ring));
1028
1029 if (!temp_ring) {
1030 err = -ENOMEM;
1031 goto clear_reset;
1032 }
1033
1034 ixgbe_down(adapter);
1035
1036 /*
1037 * Setup new Tx resources and free the old Tx resources in that order.
1038 * We can then assign the new resources to the rings via a memcpy.
1039 * The advantage to this approach is that we are guaranteed to still
1040 * have resources even in the case of an allocation failure.
1041 */
1042 if (new_tx_count != adapter->tx_ring_count) {
1043 for (i = 0; i < adapter->num_tx_queues; i++) {
1044 memcpy(&temp_ring[i], adapter->tx_ring[i],
1045 sizeof(struct ixgbe_ring));
1046
1047 temp_ring[i].count = new_tx_count;
1048 err = ixgbe_setup_tx_resources(&temp_ring[i]);
1049 if (err) {
1050 while (i) {
1051 i--;
1052 ixgbe_free_tx_resources(&temp_ring[i]);
1053 }
1054 goto err_setup;
1055 }
1056 }
1057
1058 for (i = 0; i < adapter->num_tx_queues; i++) {
1059 ixgbe_free_tx_resources(adapter->tx_ring[i]);
1060
1061 memcpy(adapter->tx_ring[i], &temp_ring[i],
1062 sizeof(struct ixgbe_ring));
1063 }
1064
1065 adapter->tx_ring_count = new_tx_count;
1066 }
1067
1068 /* Repeat the process for the Rx rings if needed */
1069 if (new_rx_count != adapter->rx_ring_count) {
1070 for (i = 0; i < adapter->num_rx_queues; i++) {
1071 memcpy(&temp_ring[i], adapter->rx_ring[i],
1072 sizeof(struct ixgbe_ring));
1073
1074 temp_ring[i].count = new_rx_count;
1075 err = ixgbe_setup_rx_resources(&temp_ring[i]);
1076 if (err) {
1077 while (i) {
1078 i--;
1079 ixgbe_free_rx_resources(&temp_ring[i]);
1080 }
1081 goto err_setup;
1082 }
1083
1084 }
1085
1086 for (i = 0; i < adapter->num_rx_queues; i++) {
1087 ixgbe_free_rx_resources(adapter->rx_ring[i]);
1088
1089 memcpy(adapter->rx_ring[i], &temp_ring[i],
1090 sizeof(struct ixgbe_ring));
1091 }
1092
1093 adapter->rx_ring_count = new_rx_count;
1094 }
1095
1096err_setup:
1097 ixgbe_up(adapter);
1098 vfree(temp_ring);
1099clear_reset:
1100 clear_bit(__IXGBE_RESETTING, &adapter->state);
1101 return err;
1102}
1103
1104static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1105{
1106 switch (sset) {
1107 case ETH_SS_TEST:
1108 return IXGBE_TEST_LEN;
1109 case ETH_SS_STATS:
1110 return IXGBE_STATS_LEN;
1111 default:
1112 return -EOPNOTSUPP;
1113 }
1114}
1115
1116static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1117 struct ethtool_stats *stats, u64 *data)
1118{
1119 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1120 struct rtnl_link_stats64 temp;
1121 const struct rtnl_link_stats64 *net_stats;
1122 unsigned int start;
1123 struct ixgbe_ring *ring;
1124 int i, j;
1125 char *p = NULL;
1126
1127 ixgbe_update_stats(adapter);
1128 net_stats = dev_get_stats(netdev, &temp);
1129 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1130 switch (ixgbe_gstrings_stats[i].type) {
1131 case NETDEV_STATS:
1132 p = (char *) net_stats +
1133 ixgbe_gstrings_stats[i].stat_offset;
1134 break;
1135 case IXGBE_STATS:
1136 p = (char *) adapter +
1137 ixgbe_gstrings_stats[i].stat_offset;
1138 break;
1139 default:
1140 data[i] = 0;
1141 continue;
1142 }
1143
1144 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1145 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1146 }
1147 for (j = 0; j < netdev->num_tx_queues; j++) {
1148 ring = adapter->tx_ring[j];
1149 if (!ring) {
1150 data[i] = 0;
1151 data[i+1] = 0;
1152 i += 2;
1153#ifdef BP_EXTENDED_STATS
1154 data[i] = 0;
1155 data[i+1] = 0;
1156 data[i+2] = 0;
1157 i += 3;
1158#endif
1159 continue;
1160 }
1161
1162 do {
1163 start = u64_stats_fetch_begin_irq(&ring->syncp);
1164 data[i] = ring->stats.packets;
1165 data[i+1] = ring->stats.bytes;
1166 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
1167 i += 2;
1168#ifdef BP_EXTENDED_STATS
1169 data[i] = ring->stats.yields;
1170 data[i+1] = ring->stats.misses;
1171 data[i+2] = ring->stats.cleaned;
1172 i += 3;
1173#endif
1174 }
1175 for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1176 ring = adapter->rx_ring[j];
1177 if (!ring) {
1178 data[i] = 0;
1179 data[i+1] = 0;
1180 i += 2;
1181#ifdef BP_EXTENDED_STATS
1182 data[i] = 0;
1183 data[i+1] = 0;
1184 data[i+2] = 0;
1185 i += 3;
1186#endif
1187 continue;
1188 }
1189
1190 do {
1191 start = u64_stats_fetch_begin_irq(&ring->syncp);
1192 data[i] = ring->stats.packets;
1193 data[i+1] = ring->stats.bytes;
1194 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
1195 i += 2;
1196#ifdef BP_EXTENDED_STATS
1197 data[i] = ring->stats.yields;
1198 data[i+1] = ring->stats.misses;
1199 data[i+2] = ring->stats.cleaned;
1200 i += 3;
1201#endif
1202 }
1203
1204 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1205 data[i++] = adapter->stats.pxontxc[j];
1206 data[i++] = adapter->stats.pxofftxc[j];
1207 }
1208 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1209 data[i++] = adapter->stats.pxonrxc[j];
1210 data[i++] = adapter->stats.pxoffrxc[j];
1211 }
1212}
1213
1214static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1215 u8 *data)
1216{
1217 char *p = (char *)data;
1218 int i;
1219
1220 switch (stringset) {
1221 case ETH_SS_TEST:
1222 for (i = 0; i < IXGBE_TEST_LEN; i++) {
1223 memcpy(data, ixgbe_gstrings_test[i], ETH_GSTRING_LEN);
1224 data += ETH_GSTRING_LEN;
1225 }
1226 break;
1227 case ETH_SS_STATS:
1228 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1229 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1230 ETH_GSTRING_LEN);
1231 p += ETH_GSTRING_LEN;
1232 }
1233 for (i = 0; i < netdev->num_tx_queues; i++) {
1234 sprintf(p, "tx_queue_%u_packets", i);
1235 p += ETH_GSTRING_LEN;
1236 sprintf(p, "tx_queue_%u_bytes", i);
1237 p += ETH_GSTRING_LEN;
1238#ifdef BP_EXTENDED_STATS
1239 sprintf(p, "tx_queue_%u_bp_napi_yield", i);
1240 p += ETH_GSTRING_LEN;
1241 sprintf(p, "tx_queue_%u_bp_misses", i);
1242 p += ETH_GSTRING_LEN;
1243 sprintf(p, "tx_queue_%u_bp_cleaned", i);
1244 p += ETH_GSTRING_LEN;
1245#endif /* BP_EXTENDED_STATS */
1246 }
1247 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1248 sprintf(p, "rx_queue_%u_packets", i);
1249 p += ETH_GSTRING_LEN;
1250 sprintf(p, "rx_queue_%u_bytes", i);
1251 p += ETH_GSTRING_LEN;
1252#ifdef BP_EXTENDED_STATS
1253 sprintf(p, "rx_queue_%u_bp_poll_yield", i);
1254 p += ETH_GSTRING_LEN;
1255 sprintf(p, "rx_queue_%u_bp_misses", i);
1256 p += ETH_GSTRING_LEN;
1257 sprintf(p, "rx_queue_%u_bp_cleaned", i);
1258 p += ETH_GSTRING_LEN;
1259#endif /* BP_EXTENDED_STATS */
1260 }
1261 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1262 sprintf(p, "tx_pb_%u_pxon", i);
1263 p += ETH_GSTRING_LEN;
1264 sprintf(p, "tx_pb_%u_pxoff", i);
1265 p += ETH_GSTRING_LEN;
1266 }
1267 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1268 sprintf(p, "rx_pb_%u_pxon", i);
1269 p += ETH_GSTRING_LEN;
1270 sprintf(p, "rx_pb_%u_pxoff", i);
1271 p += ETH_GSTRING_LEN;
1272 }
1273 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1274 break;
1275 }
1276}
1277
1278static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1279{
1280 struct ixgbe_hw *hw = &adapter->hw;
1281 bool link_up;
1282 u32 link_speed = 0;
1283
1284 if (ixgbe_removed(hw->hw_addr)) {
1285 *data = 1;
1286 return 1;
1287 }
1288 *data = 0;
1289
1290 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1291 if (link_up)
1292 return *data;
1293 else
1294 *data = 1;
1295 return *data;
1296}
1297
1298/* ethtool register test data */
1299struct ixgbe_reg_test {
1300 u16 reg;
1301 u8 array_len;
1302 u8 test_type;
1303 u32 mask;
1304 u32 write;
1305};
1306
1307/* In the hardware, registers are laid out either singly, in arrays
1308 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1309 * most tests take place on arrays or single registers (handled
1310 * as a single-element array) and special-case the tables.
1311 * Table tests are always pattern tests.
1312 *
1313 * We also make provision for some required setup steps by specifying
1314 * registers to be written without any read-back testing.
1315 */
1316
1317#define PATTERN_TEST 1
1318#define SET_READ_TEST 2
1319#define WRITE_NO_TEST 3
1320#define TABLE32_TEST 4
1321#define TABLE64_TEST_LO 5
1322#define TABLE64_TEST_HI 6
1323
1324/* default 82599 register test */
1325static const struct ixgbe_reg_test reg_test_82599[] = {
1326 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1327 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1328 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1329 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1330 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1331 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1332 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1333 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1334 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1335 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1336 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1337 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1338 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1339 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1340 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1341 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1342 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1343 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1344 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1345 { .reg = 0 }
1346};
1347
1348/* default 82598 register test */
1349static const struct ixgbe_reg_test reg_test_82598[] = {
1350 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1351 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1352 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1353 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1354 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1355 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1356 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1357 /* Enable all four RX queues before testing. */
1358 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1359 /* RDH is read-only for 82598, only test RDT. */
1360 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1361 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1362 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1363 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1364 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1365 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1366 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1367 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1368 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1369 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1370 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1371 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1372 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1373 { .reg = 0 }
1374};
1375
1376static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1377 u32 mask, u32 write)
1378{
1379 u32 pat, val, before;
1380 static const u32 test_pattern[] = {
1381 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1382
1383 if (ixgbe_removed(adapter->hw.hw_addr)) {
1384 *data = 1;
1385 return true;
1386 }
1387 for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1388 before = ixgbe_read_reg(&adapter->hw, reg);
1389 ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1390 val = ixgbe_read_reg(&adapter->hw, reg);
1391 if (val != (test_pattern[pat] & write & mask)) {
1392 e_err(drv, "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1393 reg, val, (test_pattern[pat] & write & mask));
1394 *data = reg;
1395 ixgbe_write_reg(&adapter->hw, reg, before);
1396 return true;
1397 }
1398 ixgbe_write_reg(&adapter->hw, reg, before);
1399 }
1400 return false;
1401}
1402
1403static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1404 u32 mask, u32 write)
1405{
1406 u32 val, before;
1407
1408 if (ixgbe_removed(adapter->hw.hw_addr)) {
1409 *data = 1;
1410 return true;
1411 }
1412 before = ixgbe_read_reg(&adapter->hw, reg);
1413 ixgbe_write_reg(&adapter->hw, reg, write & mask);
1414 val = ixgbe_read_reg(&adapter->hw, reg);
1415 if ((write & mask) != (val & mask)) {
1416 e_err(drv, "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1417 reg, (val & mask), (write & mask));
1418 *data = reg;
1419 ixgbe_write_reg(&adapter->hw, reg, before);
1420 return true;
1421 }
1422 ixgbe_write_reg(&adapter->hw, reg, before);
1423 return false;
1424}
1425
1426static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1427{
1428 const struct ixgbe_reg_test *test;
1429 u32 value, before, after;
1430 u32 i, toggle;
1431
1432 if (ixgbe_removed(adapter->hw.hw_addr)) {
1433 e_err(drv, "Adapter removed - register test blocked\n");
1434 *data = 1;
1435 return 1;
1436 }
1437 switch (adapter->hw.mac.type) {
1438 case ixgbe_mac_82598EB:
1439 toggle = 0x7FFFF3FF;
1440 test = reg_test_82598;
1441 break;
1442 case ixgbe_mac_82599EB:
1443 case ixgbe_mac_X540:
1444 case ixgbe_mac_X550:
1445 case ixgbe_mac_X550EM_x:
1446 toggle = 0x7FFFF30F;
1447 test = reg_test_82599;
1448 break;
1449 default:
1450 *data = 1;
1451 return 1;
1452 }
1453
1454 /*
1455 * Because the status register is such a special case,
1456 * we handle it separately from the rest of the register
1457 * tests. Some bits are read-only, some toggle, and some
1458 * are writeable on newer MACs.
1459 */
1460 before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1461 value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1462 ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1463 after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
1464 if (value != after) {
1465 e_err(drv, "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1466 after, value);
1467 *data = 1;
1468 return 1;
1469 }
1470 /* restore previous status */
1471 ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
1472
1473 /*
1474 * Perform the remainder of the register test, looping through
1475 * the test table until we either fail or reach the null entry.
1476 */
1477 while (test->reg) {
1478 for (i = 0; i < test->array_len; i++) {
1479 bool b = false;
1480
1481 switch (test->test_type) {
1482 case PATTERN_TEST:
1483 b = reg_pattern_test(adapter, data,
1484 test->reg + (i * 0x40),
1485 test->mask,
1486 test->write);
1487 break;
1488 case SET_READ_TEST:
1489 b = reg_set_and_check(adapter, data,
1490 test->reg + (i * 0x40),
1491 test->mask,
1492 test->write);
1493 break;
1494 case WRITE_NO_TEST:
1495 ixgbe_write_reg(&adapter->hw,
1496 test->reg + (i * 0x40),
1497 test->write);
1498 break;
1499 case TABLE32_TEST:
1500 b = reg_pattern_test(adapter, data,
1501 test->reg + (i * 4),
1502 test->mask,
1503 test->write);
1504 break;
1505 case TABLE64_TEST_LO:
1506 b = reg_pattern_test(adapter, data,
1507 test->reg + (i * 8),
1508 test->mask,
1509 test->write);
1510 break;
1511 case TABLE64_TEST_HI:
1512 b = reg_pattern_test(adapter, data,
1513 (test->reg + 4) + (i * 8),
1514 test->mask,
1515 test->write);
1516 break;
1517 }
1518 if (b)
1519 return 1;
1520 }
1521 test++;
1522 }
1523
1524 *data = 0;
1525 return 0;
1526}
1527
1528static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1529{
1530 struct ixgbe_hw *hw = &adapter->hw;
1531 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1532 *data = 1;
1533 else
1534 *data = 0;
1535 return *data;
1536}
1537
1538static irqreturn_t ixgbe_test_intr(int irq, void *data)
1539{
1540 struct net_device *netdev = (struct net_device *) data;
1541 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1542
1543 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1544
1545 return IRQ_HANDLED;
1546}
1547
1548static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1549{
1550 struct net_device *netdev = adapter->netdev;
1551 u32 mask, i = 0, shared_int = true;
1552 u32 irq = adapter->pdev->irq;
1553
1554 *data = 0;
1555
1556 /* Hook up test interrupt handler just for this test */
1557 if (adapter->msix_entries) {
1558 /* NOTE: we don't test MSI-X interrupts here, yet */
1559 return 0;
1560 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1561 shared_int = false;
1562 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1563 netdev)) {
1564 *data = 1;
1565 return -1;
1566 }
1567 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1568 netdev->name, netdev)) {
1569 shared_int = false;
1570 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1571 netdev->name, netdev)) {
1572 *data = 1;
1573 return -1;
1574 }
1575 e_info(hw, "testing %s interrupt\n", shared_int ?
1576 "shared" : "unshared");
1577
1578 /* Disable all the interrupts */
1579 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1580 IXGBE_WRITE_FLUSH(&adapter->hw);
1581 usleep_range(10000, 20000);
1582
1583 /* Test each interrupt */
1584 for (; i < 10; i++) {
1585 /* Interrupt to test */
1586 mask = 1 << i;
1587
1588 if (!shared_int) {
1589 /*
1590 * Disable the interrupts to be reported in
1591 * the cause register and then force the same
1592 * interrupt and see if one gets posted. If
1593 * an interrupt was posted to the bus, the
1594 * test failed.
1595 */
1596 adapter->test_icr = 0;
1597 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1598 ~mask & 0x00007FFF);
1599 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1600 ~mask & 0x00007FFF);
1601 IXGBE_WRITE_FLUSH(&adapter->hw);
1602 usleep_range(10000, 20000);
1603
1604 if (adapter->test_icr & mask) {
1605 *data = 3;
1606 break;
1607 }
1608 }
1609
1610 /*
1611 * Enable the interrupt to be reported in the cause
1612 * register and then force the same interrupt and see
1613 * if one gets posted. If an interrupt was not posted
1614 * to the bus, the test failed.
1615 */
1616 adapter->test_icr = 0;
1617 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1618 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1619 IXGBE_WRITE_FLUSH(&adapter->hw);
1620 usleep_range(10000, 20000);
1621
1622 if (!(adapter->test_icr & mask)) {
1623 *data = 4;
1624 break;
1625 }
1626
1627 if (!shared_int) {
1628 /*
1629 * Disable the other interrupts to be reported in
1630 * the cause register and then force the other
1631 * interrupts and see if any get posted. If
1632 * an interrupt was posted to the bus, the
1633 * test failed.
1634 */
1635 adapter->test_icr = 0;
1636 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1637 ~mask & 0x00007FFF);
1638 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1639 ~mask & 0x00007FFF);
1640 IXGBE_WRITE_FLUSH(&adapter->hw);
1641 usleep_range(10000, 20000);
1642
1643 if (adapter->test_icr) {
1644 *data = 5;
1645 break;
1646 }
1647 }
1648 }
1649
1650 /* Disable all the interrupts */
1651 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1652 IXGBE_WRITE_FLUSH(&adapter->hw);
1653 usleep_range(10000, 20000);
1654
1655 /* Unhook test interrupt handler */
1656 free_irq(irq, netdev);
1657
1658 return *data;
1659}
1660
1661static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1662{
1663 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1664 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1665 struct ixgbe_hw *hw = &adapter->hw;
1666 u32 reg_ctl;
1667
1668 /* shut down the DMA engines now so they can be reinitialized later */
1669
1670 /* first Rx */
1671 hw->mac.ops.disable_rx(hw);
1672 ixgbe_disable_rx_queue(adapter, rx_ring);
1673
1674 /* now Tx */
1675 reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1676 reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1677 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1678
1679 switch (hw->mac.type) {
1680 case ixgbe_mac_82599EB:
1681 case ixgbe_mac_X540:
1682 case ixgbe_mac_X550:
1683 case ixgbe_mac_X550EM_x:
1684 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1685 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1686 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1687 break;
1688 default:
1689 break;
1690 }
1691
1692 ixgbe_reset(adapter);
1693
1694 ixgbe_free_tx_resources(&adapter->test_tx_ring);
1695 ixgbe_free_rx_resources(&adapter->test_rx_ring);
1696}
1697
1698static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1699{
1700 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1701 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1702 struct ixgbe_hw *hw = &adapter->hw;
1703 u32 rctl, reg_data;
1704 int ret_val;
1705 int err;
1706
1707 /* Setup Tx descriptor ring and Tx buffers */
1708 tx_ring->count = IXGBE_DEFAULT_TXD;
1709 tx_ring->queue_index = 0;
1710 tx_ring->dev = &adapter->pdev->dev;
1711 tx_ring->netdev = adapter->netdev;
1712 tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1713
1714 err = ixgbe_setup_tx_resources(tx_ring);
1715 if (err)
1716 return 1;
1717
1718 switch (adapter->hw.mac.type) {
1719 case ixgbe_mac_82599EB:
1720 case ixgbe_mac_X540:
1721 case ixgbe_mac_X550:
1722 case ixgbe_mac_X550EM_x:
1723 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1724 reg_data |= IXGBE_DMATXCTL_TE;
1725 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1726 break;
1727 default:
1728 break;
1729 }
1730
1731 ixgbe_configure_tx_ring(adapter, tx_ring);
1732
1733 /* Setup Rx Descriptor ring and Rx buffers */
1734 rx_ring->count = IXGBE_DEFAULT_RXD;
1735 rx_ring->queue_index = 0;
1736 rx_ring->dev = &adapter->pdev->dev;
1737 rx_ring->netdev = adapter->netdev;
1738 rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1739
1740 err = ixgbe_setup_rx_resources(rx_ring);
1741 if (err) {
1742 ret_val = 4;
1743 goto err_nomem;
1744 }
1745
1746 hw->mac.ops.disable_rx(hw);
1747
1748 ixgbe_configure_rx_ring(adapter, rx_ring);
1749
1750 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1751 rctl |= IXGBE_RXCTRL_DMBYPS;
1752 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1753
1754 hw->mac.ops.enable_rx(hw);
1755
1756 return 0;
1757
1758err_nomem:
1759 ixgbe_free_desc_rings(adapter);
1760 return ret_val;
1761}
1762
1763static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1764{
1765 struct ixgbe_hw *hw = &adapter->hw;
1766 u32 reg_data;
1767
1768
1769 /* Setup MAC loopback */
1770 reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1771 reg_data |= IXGBE_HLREG0_LPBK;
1772 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1773
1774 reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1775 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1776 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1777
1778 /* X540 and X550 needs to set the MACC.FLU bit to force link up */
1779 switch (adapter->hw.mac.type) {
1780 case ixgbe_mac_X540:
1781 case ixgbe_mac_X550:
1782 case ixgbe_mac_X550EM_x:
1783 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1784 reg_data |= IXGBE_MACC_FLU;
1785 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1786 break;
1787 default:
1788 if (hw->mac.orig_autoc) {
1789 reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
1790 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1791 } else {
1792 return 10;
1793 }
1794 }
1795 IXGBE_WRITE_FLUSH(hw);
1796 usleep_range(10000, 20000);
1797
1798 /* Disable Atlas Tx lanes; re-enabled in reset path */
1799 if (hw->mac.type == ixgbe_mac_82598EB) {
1800 u8 atlas;
1801
1802 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1803 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1804 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1805
1806 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1807 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1808 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1809
1810 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1811 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1812 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1813
1814 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1815 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1816 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1817 }
1818
1819 return 0;
1820}
1821
1822static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1823{
1824 u32 reg_data;
1825
1826 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1827 reg_data &= ~IXGBE_HLREG0_LPBK;
1828 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1829}
1830
1831static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1832 unsigned int frame_size)
1833{
1834 memset(skb->data, 0xFF, frame_size);
1835 frame_size >>= 1;
1836 memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
1837 memset(&skb->data[frame_size + 10], 0xBE, 1);
1838 memset(&skb->data[frame_size + 12], 0xAF, 1);
1839}
1840
1841static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
1842 unsigned int frame_size)
1843{
1844 unsigned char *data;
1845 bool match = true;
1846
1847 frame_size >>= 1;
1848
1849 data = kmap(rx_buffer->page) + rx_buffer->page_offset;
1850
1851 if (data[3] != 0xFF ||
1852 data[frame_size + 10] != 0xBE ||
1853 data[frame_size + 12] != 0xAF)
1854 match = false;
1855
1856 kunmap(rx_buffer->page);
1857
1858 return match;
1859}
1860
1861static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1862 struct ixgbe_ring *tx_ring,
1863 unsigned int size)
1864{
1865 union ixgbe_adv_rx_desc *rx_desc;
1866 struct ixgbe_rx_buffer *rx_buffer;
1867 struct ixgbe_tx_buffer *tx_buffer;
1868 u16 rx_ntc, tx_ntc, count = 0;
1869
1870 /* initialize next to clean and descriptor values */
1871 rx_ntc = rx_ring->next_to_clean;
1872 tx_ntc = tx_ring->next_to_clean;
1873 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1874
1875 while (ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_DD)) {
1876 /* check Rx buffer */
1877 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
1878
1879 /* sync Rx buffer for CPU read */
1880 dma_sync_single_for_cpu(rx_ring->dev,
1881 rx_buffer->dma,
1882 ixgbe_rx_bufsz(rx_ring),
1883 DMA_FROM_DEVICE);
1884
1885 /* verify contents of skb */
1886 if (ixgbe_check_lbtest_frame(rx_buffer, size))
1887 count++;
1888
1889 /* sync Rx buffer for device write */
1890 dma_sync_single_for_device(rx_ring->dev,
1891 rx_buffer->dma,
1892 ixgbe_rx_bufsz(rx_ring),
1893 DMA_FROM_DEVICE);
1894
1895 /* unmap buffer on Tx side */
1896 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
1897 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer);
1898
1899 /* increment Rx/Tx next to clean counters */
1900 rx_ntc++;
1901 if (rx_ntc == rx_ring->count)
1902 rx_ntc = 0;
1903 tx_ntc++;
1904 if (tx_ntc == tx_ring->count)
1905 tx_ntc = 0;
1906
1907 /* fetch next descriptor */
1908 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1909 }
1910
1911 netdev_tx_reset_queue(txring_txq(tx_ring));
1912
1913 /* re-map buffers to ring, store next to clean values */
1914 ixgbe_alloc_rx_buffers(rx_ring, count);
1915 rx_ring->next_to_clean = rx_ntc;
1916 tx_ring->next_to_clean = tx_ntc;
1917
1918 return count;
1919}
1920
1921static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1922{
1923 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1924 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1925 int i, j, lc, good_cnt, ret_val = 0;
1926 unsigned int size = 1024;
1927 netdev_tx_t tx_ret_val;
1928 struct sk_buff *skb;
1929 u32 flags_orig = adapter->flags;
1930
1931 /* DCB can modify the frames on Tx */
1932 adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
1933
1934 /* allocate test skb */
1935 skb = alloc_skb(size, GFP_KERNEL);
1936 if (!skb)
1937 return 11;
1938
1939 /* place data into test skb */
1940 ixgbe_create_lbtest_frame(skb, size);
1941 skb_put(skb, size);
1942
1943 /*
1944 * Calculate the loop count based on the largest descriptor ring
1945 * The idea is to wrap the largest ring a number of times using 64
1946 * send/receive pairs during each loop
1947 */
1948
1949 if (rx_ring->count <= tx_ring->count)
1950 lc = ((tx_ring->count / 64) * 2) + 1;
1951 else
1952 lc = ((rx_ring->count / 64) * 2) + 1;
1953
1954 for (j = 0; j <= lc; j++) {
1955 /* reset count of good packets */
1956 good_cnt = 0;
1957
1958 /* place 64 packets on the transmit queue*/
1959 for (i = 0; i < 64; i++) {
1960 skb_get(skb);
1961 tx_ret_val = ixgbe_xmit_frame_ring(skb,
1962 adapter,
1963 tx_ring);
1964 if (tx_ret_val == NETDEV_TX_OK)
1965 good_cnt++;
1966 }
1967
1968 if (good_cnt != 64) {
1969 ret_val = 12;
1970 break;
1971 }
1972
1973 /* allow 200 milliseconds for packets to go from Tx to Rx */
1974 msleep(200);
1975
1976 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
1977 if (good_cnt != 64) {
1978 ret_val = 13;
1979 break;
1980 }
1981 }
1982
1983 /* free the original skb */
1984 kfree_skb(skb);
1985 adapter->flags = flags_orig;
1986
1987 return ret_val;
1988}
1989
1990static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1991{
1992 *data = ixgbe_setup_desc_rings(adapter);
1993 if (*data)
1994 goto out;
1995 *data = ixgbe_setup_loopback_test(adapter);
1996 if (*data)
1997 goto err_loopback;
1998 *data = ixgbe_run_loopback_test(adapter);
1999 ixgbe_loopback_cleanup(adapter);
2000
2001err_loopback:
2002 ixgbe_free_desc_rings(adapter);
2003out:
2004 return *data;
2005}
2006
2007static void ixgbe_diag_test(struct net_device *netdev,
2008 struct ethtool_test *eth_test, u64 *data)
2009{
2010 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2011 bool if_running = netif_running(netdev);
2012
2013 if (ixgbe_removed(adapter->hw.hw_addr)) {
2014 e_err(hw, "Adapter removed - test blocked\n");
2015 data[0] = 1;
2016 data[1] = 1;
2017 data[2] = 1;
2018 data[3] = 1;
2019 data[4] = 1;
2020 eth_test->flags |= ETH_TEST_FL_FAILED;
2021 return;
2022 }
2023 set_bit(__IXGBE_TESTING, &adapter->state);
2024 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2025 struct ixgbe_hw *hw = &adapter->hw;
2026
2027 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2028 int i;
2029 for (i = 0; i < adapter->num_vfs; i++) {
2030 if (adapter->vfinfo[i].clear_to_send) {
2031 netdev_warn(netdev, "offline diagnostic is not supported when VFs are present\n");
2032 data[0] = 1;
2033 data[1] = 1;
2034 data[2] = 1;
2035 data[3] = 1;
2036 data[4] = 1;
2037 eth_test->flags |= ETH_TEST_FL_FAILED;
2038 clear_bit(__IXGBE_TESTING,
2039 &adapter->state);
2040 goto skip_ol_tests;
2041 }
2042 }
2043 }
2044
2045 /* Offline tests */
2046 e_info(hw, "offline testing starting\n");
2047
2048 /* Link test performed before hardware reset so autoneg doesn't
2049 * interfere with test result
2050 */
2051 if (ixgbe_link_test(adapter, &data[4]))
2052 eth_test->flags |= ETH_TEST_FL_FAILED;
2053
2054 if (if_running)
2055 /* indicate we're in test mode */
2056 ixgbe_close(netdev);
2057 else
2058 ixgbe_reset(adapter);
2059
2060 e_info(hw, "register testing starting\n");
2061 if (ixgbe_reg_test(adapter, &data[0]))
2062 eth_test->flags |= ETH_TEST_FL_FAILED;
2063
2064 ixgbe_reset(adapter);
2065 e_info(hw, "eeprom testing starting\n");
2066 if (ixgbe_eeprom_test(adapter, &data[1]))
2067 eth_test->flags |= ETH_TEST_FL_FAILED;
2068
2069 ixgbe_reset(adapter);
2070 e_info(hw, "interrupt testing starting\n");
2071 if (ixgbe_intr_test(adapter, &data[2]))
2072 eth_test->flags |= ETH_TEST_FL_FAILED;
2073
2074 /* If SRIOV or VMDq is enabled then skip MAC
2075 * loopback diagnostic. */
2076 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2077 IXGBE_FLAG_VMDQ_ENABLED)) {
2078 e_info(hw, "Skip MAC loopback diagnostic in VT mode\n");
2079 data[3] = 0;
2080 goto skip_loopback;
2081 }
2082
2083 ixgbe_reset(adapter);
2084 e_info(hw, "loopback testing starting\n");
2085 if (ixgbe_loopback_test(adapter, &data[3]))
2086 eth_test->flags |= ETH_TEST_FL_FAILED;
2087
2088skip_loopback:
2089 ixgbe_reset(adapter);
2090
2091 /* clear testing bit and return adapter to previous state */
2092 clear_bit(__IXGBE_TESTING, &adapter->state);
2093 if (if_running)
2094 ixgbe_open(netdev);
2095 else if (hw->mac.ops.disable_tx_laser)
2096 hw->mac.ops.disable_tx_laser(hw);
2097 } else {
2098 e_info(hw, "online testing starting\n");
2099
2100 /* Online tests */
2101 if (ixgbe_link_test(adapter, &data[4]))
2102 eth_test->flags |= ETH_TEST_FL_FAILED;
2103
2104 /* Offline tests aren't run; pass by default */
2105 data[0] = 0;
2106 data[1] = 0;
2107 data[2] = 0;
2108 data[3] = 0;
2109
2110 clear_bit(__IXGBE_TESTING, &adapter->state);
2111 }
2112
2113skip_ol_tests:
2114 msleep_interruptible(4 * 1000);
2115}
2116
2117static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
2118 struct ethtool_wolinfo *wol)
2119{
2120 struct ixgbe_hw *hw = &adapter->hw;
2121 int retval = 0;
2122
2123 /* WOL not supported for all devices */
2124 if (!ixgbe_wol_supported(adapter, hw->device_id,
2125 hw->subsystem_device_id)) {
2126 retval = 1;
2127 wol->supported = 0;
2128 }
2129
2130 return retval;
2131}
2132
2133static void ixgbe_get_wol(struct net_device *netdev,
2134 struct ethtool_wolinfo *wol)
2135{
2136 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2137
2138 wol->supported = WAKE_UCAST | WAKE_MCAST |
2139 WAKE_BCAST | WAKE_MAGIC;
2140 wol->wolopts = 0;
2141
2142 if (ixgbe_wol_exclusion(adapter, wol) ||
2143 !device_can_wakeup(&adapter->pdev->dev))
2144 return;
2145
2146 if (adapter->wol & IXGBE_WUFC_EX)
2147 wol->wolopts |= WAKE_UCAST;
2148 if (adapter->wol & IXGBE_WUFC_MC)
2149 wol->wolopts |= WAKE_MCAST;
2150 if (adapter->wol & IXGBE_WUFC_BC)
2151 wol->wolopts |= WAKE_BCAST;
2152 if (adapter->wol & IXGBE_WUFC_MAG)
2153 wol->wolopts |= WAKE_MAGIC;
2154}
2155
2156static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2157{
2158 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2159
2160 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
2161 return -EOPNOTSUPP;
2162
2163 if (ixgbe_wol_exclusion(adapter, wol))
2164 return wol->wolopts ? -EOPNOTSUPP : 0;
2165
2166 adapter->wol = 0;
2167
2168 if (wol->wolopts & WAKE_UCAST)
2169 adapter->wol |= IXGBE_WUFC_EX;
2170 if (wol->wolopts & WAKE_MCAST)
2171 adapter->wol |= IXGBE_WUFC_MC;
2172 if (wol->wolopts & WAKE_BCAST)
2173 adapter->wol |= IXGBE_WUFC_BC;
2174 if (wol->wolopts & WAKE_MAGIC)
2175 adapter->wol |= IXGBE_WUFC_MAG;
2176
2177 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2178
2179 return 0;
2180}
2181
2182static int ixgbe_nway_reset(struct net_device *netdev)
2183{
2184 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2185
2186 if (netif_running(netdev))
2187 ixgbe_reinit_locked(adapter);
2188
2189 return 0;
2190}
2191
2192static int ixgbe_set_phys_id(struct net_device *netdev,
2193 enum ethtool_phys_id_state state)
2194{
2195 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2196 struct ixgbe_hw *hw = &adapter->hw;
2197
2198 switch (state) {
2199 case ETHTOOL_ID_ACTIVE:
2200 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2201 return 2;
2202
2203 case ETHTOOL_ID_ON:
2204 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
2205 break;
2206
2207 case ETHTOOL_ID_OFF:
2208 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
2209 break;
2210
2211 case ETHTOOL_ID_INACTIVE:
2212 /* Restore LED settings */
2213 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2214 break;
2215 }
2216
2217 return 0;
2218}
2219
2220static int ixgbe_get_coalesce(struct net_device *netdev,
2221 struct ethtool_coalesce *ec)
2222{
2223 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2224
2225 /* only valid if in constant ITR mode */
2226 if (adapter->rx_itr_setting <= 1)
2227 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2228 else
2229 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2230
2231 /* if in mixed tx/rx queues per vector mode, report only rx settings */
2232 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2233 return 0;
2234
2235 /* only valid if in constant ITR mode */
2236 if (adapter->tx_itr_setting <= 1)
2237 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2238 else
2239 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2240
2241 return 0;
2242}
2243
2244/*
2245 * this function must be called before setting the new value of
2246 * rx_itr_setting
2247 */
2248static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2249{
2250 struct net_device *netdev = adapter->netdev;
2251
2252 /* nothing to do if LRO or RSC are not enabled */
2253 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2254 !(netdev->features & NETIF_F_LRO))
2255 return false;
2256
2257 /* check the feature flag value and enable RSC if necessary */
2258 if (adapter->rx_itr_setting == 1 ||
2259 adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2260 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2261 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2262 e_info(probe, "rx-usecs value high enough to re-enable RSC\n");
2263 return true;
2264 }
2265 /* if interrupt rate is too high then disable RSC */
2266 } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2267 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2268 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2269 return true;
2270 }
2271 return false;
2272}
2273
2274static int ixgbe_set_coalesce(struct net_device *netdev,
2275 struct ethtool_coalesce *ec)
2276{
2277 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2278 struct ixgbe_q_vector *q_vector;
2279 int i;
2280 u16 tx_itr_param, rx_itr_param, tx_itr_prev;
2281 bool need_reset = false;
2282
2283 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2284 /* reject Tx specific changes in case of mixed RxTx vectors */
2285 if (ec->tx_coalesce_usecs)
2286 return -EINVAL;
2287 tx_itr_prev = adapter->rx_itr_setting;
2288 } else {
2289 tx_itr_prev = adapter->tx_itr_setting;
2290 }
2291
2292 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2293 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2294 return -EINVAL;
2295
2296 if (ec->rx_coalesce_usecs > 1)
2297 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2298 else
2299 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2300
2301 if (adapter->rx_itr_setting == 1)
2302 rx_itr_param = IXGBE_20K_ITR;
2303 else
2304 rx_itr_param = adapter->rx_itr_setting;
2305
2306 if (ec->tx_coalesce_usecs > 1)
2307 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2308 else
2309 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2310
2311 if (adapter->tx_itr_setting == 1)
2312 tx_itr_param = IXGBE_12K_ITR;
2313 else
2314 tx_itr_param = adapter->tx_itr_setting;
2315
2316 /* mixed Rx/Tx */
2317 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2318 adapter->tx_itr_setting = adapter->rx_itr_setting;
2319
2320 /* detect ITR changes that require update of TXDCTL.WTHRESH */
2321 if ((adapter->tx_itr_setting != 1) &&
2322 (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2323 if ((tx_itr_prev == 1) ||
2324 (tx_itr_prev >= IXGBE_100K_ITR))
2325 need_reset = true;
2326 } else {
2327 if ((tx_itr_prev != 1) &&
2328 (tx_itr_prev < IXGBE_100K_ITR))
2329 need_reset = true;
2330 }
2331
2332 /* check the old value and enable RSC if necessary */
2333 need_reset |= ixgbe_update_rsc(adapter);
2334
2335 for (i = 0; i < adapter->num_q_vectors; i++) {
2336 q_vector = adapter->q_vector[i];
2337 if (q_vector->tx.count && !q_vector->rx.count)
2338 /* tx only */
2339 q_vector->itr = tx_itr_param;
2340 else
2341 /* rx only or mixed */
2342 q_vector->itr = rx_itr_param;
2343 ixgbe_write_eitr(q_vector);
2344 }
2345
2346 /*
2347 * do reset here at the end to make sure EITR==0 case is handled
2348 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2349 * also locks in RSC enable/disable which requires reset
2350 */
2351 if (need_reset)
2352 ixgbe_do_reset(netdev);
2353
2354 return 0;
2355}
2356
2357static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2358 struct ethtool_rxnfc *cmd)
2359{
2360 union ixgbe_atr_input *mask = &adapter->fdir_mask;
2361 struct ethtool_rx_flow_spec *fsp =
2362 (struct ethtool_rx_flow_spec *)&cmd->fs;
2363 struct hlist_node *node2;
2364 struct ixgbe_fdir_filter *rule = NULL;
2365
2366 /* report total rule count */
2367 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2368
2369 hlist_for_each_entry_safe(rule, node2,
2370 &adapter->fdir_filter_list, fdir_node) {
2371 if (fsp->location <= rule->sw_idx)
2372 break;
2373 }
2374
2375 if (!rule || fsp->location != rule->sw_idx)
2376 return -EINVAL;
2377
2378 /* fill out the flow spec entry */
2379
2380 /* set flow type field */
2381 switch (rule->filter.formatted.flow_type) {
2382 case IXGBE_ATR_FLOW_TYPE_TCPV4:
2383 fsp->flow_type = TCP_V4_FLOW;
2384 break;
2385 case IXGBE_ATR_FLOW_TYPE_UDPV4:
2386 fsp->flow_type = UDP_V4_FLOW;
2387 break;
2388 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2389 fsp->flow_type = SCTP_V4_FLOW;
2390 break;
2391 case IXGBE_ATR_FLOW_TYPE_IPV4:
2392 fsp->flow_type = IP_USER_FLOW;
2393 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2394 fsp->h_u.usr_ip4_spec.proto = 0;
2395 fsp->m_u.usr_ip4_spec.proto = 0;
2396 break;
2397 default:
2398 return -EINVAL;
2399 }
2400
2401 fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2402 fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2403 fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2404 fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2405 fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2406 fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2407 fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2408 fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2409 fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2410 fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2411 fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2412 fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2413 fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2414 fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2415 fsp->flow_type |= FLOW_EXT;
2416
2417 /* record action */
2418 if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2419 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2420 else
2421 fsp->ring_cookie = rule->action;
2422
2423 return 0;
2424}
2425
2426static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2427 struct ethtool_rxnfc *cmd,
2428 u32 *rule_locs)
2429{
2430 struct hlist_node *node2;
2431 struct ixgbe_fdir_filter *rule;
2432 int cnt = 0;
2433
2434 /* report total rule count */
2435 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2436
2437 hlist_for_each_entry_safe(rule, node2,
2438 &adapter->fdir_filter_list, fdir_node) {
2439 if (cnt == cmd->rule_cnt)
2440 return -EMSGSIZE;
2441 rule_locs[cnt] = rule->sw_idx;
2442 cnt++;
2443 }
2444
2445 cmd->rule_cnt = cnt;
2446
2447 return 0;
2448}
2449
2450static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2451 struct ethtool_rxnfc *cmd)
2452{
2453 cmd->data = 0;
2454
2455 /* Report default options for RSS on ixgbe */
2456 switch (cmd->flow_type) {
2457 case TCP_V4_FLOW:
2458 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2459 /* fallthrough */
2460 case UDP_V4_FLOW:
2461 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2462 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2463 /* fallthrough */
2464 case SCTP_V4_FLOW:
2465 case AH_ESP_V4_FLOW:
2466 case AH_V4_FLOW:
2467 case ESP_V4_FLOW:
2468 case IPV4_FLOW:
2469 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2470 break;
2471 case TCP_V6_FLOW:
2472 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2473 /* fallthrough */
2474 case UDP_V6_FLOW:
2475 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2476 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2477 /* fallthrough */
2478 case SCTP_V6_FLOW:
2479 case AH_ESP_V6_FLOW:
2480 case AH_V6_FLOW:
2481 case ESP_V6_FLOW:
2482 case IPV6_FLOW:
2483 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2484 break;
2485 default:
2486 return -EINVAL;
2487 }
2488
2489 return 0;
2490}
2491
2492static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2493 u32 *rule_locs)
2494{
2495 struct ixgbe_adapter *adapter = netdev_priv(dev);
2496 int ret = -EOPNOTSUPP;
2497
2498 switch (cmd->cmd) {
2499 case ETHTOOL_GRXRINGS:
2500 cmd->data = adapter->num_rx_queues;
2501 ret = 0;
2502 break;
2503 case ETHTOOL_GRXCLSRLCNT:
2504 cmd->rule_cnt = adapter->fdir_filter_count;
2505 ret = 0;
2506 break;
2507 case ETHTOOL_GRXCLSRULE:
2508 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2509 break;
2510 case ETHTOOL_GRXCLSRLALL:
2511 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2512 break;
2513 case ETHTOOL_GRXFH:
2514 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2515 break;
2516 default:
2517 break;
2518 }
2519
2520 return ret;
2521}
2522
2523int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2524 struct ixgbe_fdir_filter *input,
2525 u16 sw_idx)
2526{
2527 struct ixgbe_hw *hw = &adapter->hw;
2528 struct hlist_node *node2;
2529 struct ixgbe_fdir_filter *rule, *parent;
2530 int err = -EINVAL;
2531
2532 parent = NULL;
2533 rule = NULL;
2534
2535 hlist_for_each_entry_safe(rule, node2,
2536 &adapter->fdir_filter_list, fdir_node) {
2537 /* hash found, or no matching entry */
2538 if (rule->sw_idx >= sw_idx)
2539 break;
2540 parent = rule;
2541 }
2542
2543 /* if there is an old rule occupying our place remove it */
2544 if (rule && (rule->sw_idx == sw_idx)) {
2545 if (!input || (rule->filter.formatted.bkt_hash !=
2546 input->filter.formatted.bkt_hash)) {
2547 err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2548 &rule->filter,
2549 sw_idx);
2550 }
2551
2552 hlist_del(&rule->fdir_node);
2553 kfree(rule);
2554 adapter->fdir_filter_count--;
2555 }
2556
2557 /*
2558 * If no input this was a delete, err should be 0 if a rule was
2559 * successfully found and removed from the list else -EINVAL
2560 */
2561 if (!input)
2562 return err;
2563
2564 /* initialize node and set software index */
2565 INIT_HLIST_NODE(&input->fdir_node);
2566
2567 /* add filter to the list */
2568 if (parent)
2569 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2570 else
2571 hlist_add_head(&input->fdir_node,
2572 &adapter->fdir_filter_list);
2573
2574 /* update counts */
2575 adapter->fdir_filter_count++;
2576
2577 return 0;
2578}
2579
2580static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2581 u8 *flow_type)
2582{
2583 switch (fsp->flow_type & ~FLOW_EXT) {
2584 case TCP_V4_FLOW:
2585 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2586 break;
2587 case UDP_V4_FLOW:
2588 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2589 break;
2590 case SCTP_V4_FLOW:
2591 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2592 break;
2593 case IP_USER_FLOW:
2594 switch (fsp->h_u.usr_ip4_spec.proto) {
2595 case IPPROTO_TCP:
2596 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2597 break;
2598 case IPPROTO_UDP:
2599 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2600 break;
2601 case IPPROTO_SCTP:
2602 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2603 break;
2604 case 0:
2605 if (!fsp->m_u.usr_ip4_spec.proto) {
2606 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2607 break;
2608 }
2609 default:
2610 return 0;
2611 }
2612 break;
2613 default:
2614 return 0;
2615 }
2616
2617 return 1;
2618}
2619
2620static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2621 struct ethtool_rxnfc *cmd)
2622{
2623 struct ethtool_rx_flow_spec *fsp =
2624 (struct ethtool_rx_flow_spec *)&cmd->fs;
2625 struct ixgbe_hw *hw = &adapter->hw;
2626 struct ixgbe_fdir_filter *input;
2627 union ixgbe_atr_input mask;
2628 u8 queue;
2629 int err;
2630
2631 if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2632 return -EOPNOTSUPP;
2633
2634 /* ring_cookie is a masked into a set of queues and ixgbe pools or
2635 * we use the drop index.
2636 */
2637 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
2638 queue = IXGBE_FDIR_DROP_QUEUE;
2639 } else {
2640 u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
2641 u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
2642
2643 if (!vf && (ring >= adapter->num_rx_queues))
2644 return -EINVAL;
2645 else if (vf &&
2646 ((vf > adapter->num_vfs) ||
2647 ring >= adapter->num_rx_queues_per_pool))
2648 return -EINVAL;
2649
2650 /* Map the ring onto the absolute queue index */
2651 if (!vf)
2652 queue = adapter->rx_ring[ring]->reg_idx;
2653 else
2654 queue = ((vf - 1) *
2655 adapter->num_rx_queues_per_pool) + ring;
2656 }
2657
2658 /* Don't allow indexes to exist outside of available space */
2659 if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2660 e_err(drv, "Location out of range\n");
2661 return -EINVAL;
2662 }
2663
2664 input = kzalloc(sizeof(*input), GFP_ATOMIC);
2665 if (!input)
2666 return -ENOMEM;
2667
2668 memset(&mask, 0, sizeof(union ixgbe_atr_input));
2669
2670 /* set SW index */
2671 input->sw_idx = fsp->location;
2672
2673 /* record flow type */
2674 if (!ixgbe_flowspec_to_flow_type(fsp,
2675 &input->filter.formatted.flow_type)) {
2676 e_err(drv, "Unrecognized flow type\n");
2677 goto err_out;
2678 }
2679
2680 mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2681 IXGBE_ATR_L4TYPE_MASK;
2682
2683 if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2684 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2685
2686 /* Copy input into formatted structures */
2687 input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2688 mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2689 input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2690 mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2691 input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2692 mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2693 input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2694 mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2695
2696 if (fsp->flow_type & FLOW_EXT) {
2697 input->filter.formatted.vm_pool =
2698 (unsigned char)ntohl(fsp->h_ext.data[1]);
2699 mask.formatted.vm_pool =
2700 (unsigned char)ntohl(fsp->m_ext.data[1]);
2701 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2702 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2703 input->filter.formatted.flex_bytes =
2704 fsp->h_ext.vlan_etype;
2705 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2706 }
2707
2708 /* determine if we need to drop or route the packet */
2709 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2710 input->action = IXGBE_FDIR_DROP_QUEUE;
2711 else
2712 input->action = fsp->ring_cookie;
2713
2714 spin_lock(&adapter->fdir_perfect_lock);
2715
2716 if (hlist_empty(&adapter->fdir_filter_list)) {
2717 /* save mask and program input mask into HW */
2718 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2719 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2720 if (err) {
2721 e_err(drv, "Error writing mask\n");
2722 goto err_out_w_lock;
2723 }
2724 } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2725 e_err(drv, "Only one mask supported per port\n");
2726 goto err_out_w_lock;
2727 }
2728
2729 /* apply mask and compute/store hash */
2730 ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2731
2732 /* program filters to filter memory */
2733 err = ixgbe_fdir_write_perfect_filter_82599(hw,
2734 &input->filter, input->sw_idx, queue);
2735 if (err)
2736 goto err_out_w_lock;
2737
2738 ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2739
2740 spin_unlock(&adapter->fdir_perfect_lock);
2741
2742 return err;
2743err_out_w_lock:
2744 spin_unlock(&adapter->fdir_perfect_lock);
2745err_out:
2746 kfree(input);
2747 return -EINVAL;
2748}
2749
2750static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2751 struct ethtool_rxnfc *cmd)
2752{
2753 struct ethtool_rx_flow_spec *fsp =
2754 (struct ethtool_rx_flow_spec *)&cmd->fs;
2755 int err;
2756
2757 spin_lock(&adapter->fdir_perfect_lock);
2758 err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2759 spin_unlock(&adapter->fdir_perfect_lock);
2760
2761 return err;
2762}
2763
2764#define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2765 IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2766static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2767 struct ethtool_rxnfc *nfc)
2768{
2769 u32 flags2 = adapter->flags2;
2770
2771 /*
2772 * RSS does not support anything other than hashing
2773 * to queues on src and dst IPs and ports
2774 */
2775 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2776 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2777 return -EINVAL;
2778
2779 switch (nfc->flow_type) {
2780 case TCP_V4_FLOW:
2781 case TCP_V6_FLOW:
2782 if (!(nfc->data & RXH_IP_SRC) ||
2783 !(nfc->data & RXH_IP_DST) ||
2784 !(nfc->data & RXH_L4_B_0_1) ||
2785 !(nfc->data & RXH_L4_B_2_3))
2786 return -EINVAL;
2787 break;
2788 case UDP_V4_FLOW:
2789 if (!(nfc->data & RXH_IP_SRC) ||
2790 !(nfc->data & RXH_IP_DST))
2791 return -EINVAL;
2792 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2793 case 0:
2794 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2795 break;
2796 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2797 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2798 break;
2799 default:
2800 return -EINVAL;
2801 }
2802 break;
2803 case UDP_V6_FLOW:
2804 if (!(nfc->data & RXH_IP_SRC) ||
2805 !(nfc->data & RXH_IP_DST))
2806 return -EINVAL;
2807 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2808 case 0:
2809 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2810 break;
2811 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2812 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2813 break;
2814 default:
2815 return -EINVAL;
2816 }
2817 break;
2818 case AH_ESP_V4_FLOW:
2819 case AH_V4_FLOW:
2820 case ESP_V4_FLOW:
2821 case SCTP_V4_FLOW:
2822 case AH_ESP_V6_FLOW:
2823 case AH_V6_FLOW:
2824 case ESP_V6_FLOW:
2825 case SCTP_V6_FLOW:
2826 if (!(nfc->data & RXH_IP_SRC) ||
2827 !(nfc->data & RXH_IP_DST) ||
2828 (nfc->data & RXH_L4_B_0_1) ||
2829 (nfc->data & RXH_L4_B_2_3))
2830 return -EINVAL;
2831 break;
2832 default:
2833 return -EINVAL;
2834 }
2835
2836 /* if we changed something we need to update flags */
2837 if (flags2 != adapter->flags2) {
2838 struct ixgbe_hw *hw = &adapter->hw;
2839 u32 mrqc;
2840 unsigned int pf_pool = adapter->num_vfs;
2841
2842 if ((hw->mac.type >= ixgbe_mac_X550) &&
2843 (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
2844 mrqc = IXGBE_READ_REG(hw, IXGBE_PFVFMRQC(pf_pool));
2845 else
2846 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2847
2848 if ((flags2 & UDP_RSS_FLAGS) &&
2849 !(adapter->flags2 & UDP_RSS_FLAGS))
2850 e_warn(drv, "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
2851
2852 adapter->flags2 = flags2;
2853
2854 /* Perform hash on these packet types */
2855 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
2856 | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
2857 | IXGBE_MRQC_RSS_FIELD_IPV6
2858 | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
2859
2860 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
2861 IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
2862
2863 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2864 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
2865
2866 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2867 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
2868
2869 if ((hw->mac.type >= ixgbe_mac_X550) &&
2870 (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
2871 IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), mrqc);
2872 else
2873 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
2874 }
2875
2876 return 0;
2877}
2878
2879static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2880{
2881 struct ixgbe_adapter *adapter = netdev_priv(dev);
2882 int ret = -EOPNOTSUPP;
2883
2884 switch (cmd->cmd) {
2885 case ETHTOOL_SRXCLSRLINS:
2886 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2887 break;
2888 case ETHTOOL_SRXCLSRLDEL:
2889 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2890 break;
2891 case ETHTOOL_SRXFH:
2892 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
2893 break;
2894 default:
2895 break;
2896 }
2897
2898 return ret;
2899}
2900
2901static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter)
2902{
2903 if (adapter->hw.mac.type < ixgbe_mac_X550)
2904 return 16;
2905 else
2906 return 64;
2907}
2908
2909static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev)
2910{
2911 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2912
2913 return sizeof(adapter->rss_key);
2914}
2915
2916static u32 ixgbe_rss_indir_size(struct net_device *netdev)
2917{
2918 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2919
2920 return ixgbe_rss_indir_tbl_entries(adapter);
2921}
2922
2923static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir)
2924{
2925 int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter);
2926
2927 for (i = 0; i < reta_size; i++)
2928 indir[i] = adapter->rss_indir_tbl[i];
2929}
2930
2931static int ixgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2932 u8 *hfunc)
2933{
2934 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2935
2936 if (hfunc)
2937 *hfunc = ETH_RSS_HASH_TOP;
2938
2939 if (indir)
2940 ixgbe_get_reta(adapter, indir);
2941
2942 if (key)
2943 memcpy(key, adapter->rss_key, ixgbe_get_rxfh_key_size(netdev));
2944
2945 return 0;
2946}
2947
2948static int ixgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
2949 const u8 *key, const u8 hfunc)
2950{
2951 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2952 int i;
2953 u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
2954
2955 if (hfunc)
2956 return -EINVAL;
2957
2958 /* Fill out the redirection table */
2959 if (indir) {
2960 int max_queues = min_t(int, adapter->num_rx_queues,
2961 ixgbe_rss_indir_tbl_max(adapter));
2962
2963 /*Allow at least 2 queues w/ SR-IOV.*/
2964 if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
2965 (max_queues < 2))
2966 max_queues = 2;
2967
2968 /* Verify user input. */
2969 for (i = 0; i < reta_entries; i++)
2970 if (indir[i] >= max_queues)
2971 return -EINVAL;
2972
2973 for (i = 0; i < reta_entries; i++)
2974 adapter->rss_indir_tbl[i] = indir[i];
2975 }
2976
2977 /* Fill out the rss hash key */
2978 if (key)
2979 memcpy(adapter->rss_key, key, ixgbe_get_rxfh_key_size(netdev));
2980
2981 ixgbe_store_reta(adapter);
2982
2983 return 0;
2984}
2985
2986static int ixgbe_get_ts_info(struct net_device *dev,
2987 struct ethtool_ts_info *info)
2988{
2989 struct ixgbe_adapter *adapter = netdev_priv(dev);
2990
2991 switch (adapter->hw.mac.type) {
2992 case ixgbe_mac_X550:
2993 case ixgbe_mac_X550EM_x:
2994 case ixgbe_mac_X540:
2995 case ixgbe_mac_82599EB:
2996 info->so_timestamping =
2997 SOF_TIMESTAMPING_TX_SOFTWARE |
2998 SOF_TIMESTAMPING_RX_SOFTWARE |
2999 SOF_TIMESTAMPING_SOFTWARE |
3000 SOF_TIMESTAMPING_TX_HARDWARE |
3001 SOF_TIMESTAMPING_RX_HARDWARE |
3002 SOF_TIMESTAMPING_RAW_HARDWARE;
3003
3004 if (adapter->ptp_clock)
3005 info->phc_index = ptp_clock_index(adapter->ptp_clock);
3006 else
3007 info->phc_index = -1;
3008
3009 info->tx_types =
3010 (1 << HWTSTAMP_TX_OFF) |
3011 (1 << HWTSTAMP_TX_ON);
3012
3013 info->rx_filters =
3014 (1 << HWTSTAMP_FILTER_NONE) |
3015 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3016 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3017 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
3018 break;
3019 default:
3020 return ethtool_op_get_ts_info(dev, info);
3021 }
3022 return 0;
3023}
3024
3025static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
3026{
3027 unsigned int max_combined;
3028 u8 tcs = netdev_get_num_tc(adapter->netdev);
3029
3030 if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
3031 /* We only support one q_vector without MSI-X */
3032 max_combined = 1;
3033 } else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
3034 /* SR-IOV currently only allows one queue on the PF */
3035 max_combined = 1;
3036 } else if (tcs > 1) {
3037 /* For DCB report channels per traffic class */
3038 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
3039 /* 8 TC w/ 4 queues per TC */
3040 max_combined = 4;
3041 } else if (tcs > 4) {
3042 /* 8 TC w/ 8 queues per TC */
3043 max_combined = 8;
3044 } else {
3045 /* 4 TC w/ 16 queues per TC */
3046 max_combined = 16;
3047 }
3048 } else if (adapter->atr_sample_rate) {
3049 /* support up to 64 queues with ATR */
3050 max_combined = IXGBE_MAX_FDIR_INDICES;
3051 } else {
3052 /* support up to 16 queues with RSS */
3053 max_combined = ixgbe_max_rss_indices(adapter);
3054 }
3055
3056 return max_combined;
3057}
3058
3059static void ixgbe_get_channels(struct net_device *dev,
3060 struct ethtool_channels *ch)
3061{
3062 struct ixgbe_adapter *adapter = netdev_priv(dev);
3063
3064 /* report maximum channels */
3065 ch->max_combined = ixgbe_max_channels(adapter);
3066
3067 /* report info for other vector */
3068 if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
3069 ch->max_other = NON_Q_VECTORS;
3070 ch->other_count = NON_Q_VECTORS;
3071 }
3072
3073 /* record RSS queues */
3074 ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
3075
3076 /* nothing else to report if RSS is disabled */
3077 if (ch->combined_count == 1)
3078 return;
3079
3080 /* we do not support ATR queueing if SR-IOV is enabled */
3081 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3082 return;
3083
3084 /* same thing goes for being DCB enabled */
3085 if (netdev_get_num_tc(dev) > 1)
3086 return;
3087
3088 /* if ATR is disabled we can exit */
3089 if (!adapter->atr_sample_rate)
3090 return;
3091
3092 /* report flow director queues as maximum channels */
3093 ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
3094}
3095
3096static int ixgbe_set_channels(struct net_device *dev,
3097 struct ethtool_channels *ch)
3098{
3099 struct ixgbe_adapter *adapter = netdev_priv(dev);
3100 unsigned int count = ch->combined_count;
3101 u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
3102
3103 /* verify they are not requesting separate vectors */
3104 if (!count || ch->rx_count || ch->tx_count)
3105 return -EINVAL;
3106
3107 /* verify other_count has not changed */
3108 if (ch->other_count != NON_Q_VECTORS)
3109 return -EINVAL;
3110
3111 /* verify the number of channels does not exceed hardware limits */
3112 if (count > ixgbe_max_channels(adapter))
3113 return -EINVAL;
3114
3115 /* update feature limits from largest to smallest supported values */
3116 adapter->ring_feature[RING_F_FDIR].limit = count;
3117
3118 /* cap RSS limit */
3119 if (count > max_rss_indices)
3120 count = max_rss_indices;
3121 adapter->ring_feature[RING_F_RSS].limit = count;
3122
3123#ifdef IXGBE_FCOE
3124 /* cap FCoE limit at 8 */
3125 if (count > IXGBE_FCRETA_SIZE)
3126 count = IXGBE_FCRETA_SIZE;
3127 adapter->ring_feature[RING_F_FCOE].limit = count;
3128
3129#endif
3130 /* use setup TC to update any traffic class queue mapping */
3131 return ixgbe_setup_tc(dev, netdev_get_num_tc(dev));
3132}
3133
3134static int ixgbe_get_module_info(struct net_device *dev,
3135 struct ethtool_modinfo *modinfo)
3136{
3137 struct ixgbe_adapter *adapter = netdev_priv(dev);
3138 struct ixgbe_hw *hw = &adapter->hw;
3139 s32 status;
3140 u8 sff8472_rev, addr_mode;
3141 bool page_swap = false;
3142
3143 /* Check whether we support SFF-8472 or not */
3144 status = hw->phy.ops.read_i2c_eeprom(hw,
3145 IXGBE_SFF_SFF_8472_COMP,
3146 &sff8472_rev);
3147 if (status)
3148 return -EIO;
3149
3150 /* addressing mode is not supported */
3151 status = hw->phy.ops.read_i2c_eeprom(hw,
3152 IXGBE_SFF_SFF_8472_SWAP,
3153 &addr_mode);
3154 if (status)
3155 return -EIO;
3156
3157 if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3158 e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3159 page_swap = true;
3160 }
3161
3162 if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap) {
3163 /* We have a SFP, but it does not support SFF-8472 */
3164 modinfo->type = ETH_MODULE_SFF_8079;
3165 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3166 } else {
3167 /* We have a SFP which supports a revision of SFF-8472. */
3168 modinfo->type = ETH_MODULE_SFF_8472;
3169 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3170 }
3171
3172 return 0;
3173}
3174
3175static int ixgbe_get_module_eeprom(struct net_device *dev,
3176 struct ethtool_eeprom *ee,
3177 u8 *data)
3178{
3179 struct ixgbe_adapter *adapter = netdev_priv(dev);
3180 struct ixgbe_hw *hw = &adapter->hw;
3181 s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
3182 u8 databyte = 0xFF;
3183 int i = 0;
3184
3185 if (ee->len == 0)
3186 return -EINVAL;
3187
3188 for (i = ee->offset; i < ee->offset + ee->len; i++) {
3189 /* I2C reads can take long time */
3190 if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3191 return -EBUSY;
3192
3193 if (i < ETH_MODULE_SFF_8079_LEN)
3194 status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
3195 else
3196 status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3197
3198 if (status)
3199 return -EIO;
3200
3201 data[i - ee->offset] = databyte;
3202 }
3203
3204 return 0;
3205}
3206
3207static const struct ethtool_ops ixgbe_ethtool_ops = {
3208 .get_settings = ixgbe_get_settings,
3209 .set_settings = ixgbe_set_settings,
3210 .get_drvinfo = ixgbe_get_drvinfo,
3211 .get_regs_len = ixgbe_get_regs_len,
3212 .get_regs = ixgbe_get_regs,
3213 .get_wol = ixgbe_get_wol,
3214 .set_wol = ixgbe_set_wol,
3215 .nway_reset = ixgbe_nway_reset,
3216 .get_link = ethtool_op_get_link,
3217 .get_eeprom_len = ixgbe_get_eeprom_len,
3218 .get_eeprom = ixgbe_get_eeprom,
3219 .set_eeprom = ixgbe_set_eeprom,
3220 .get_ringparam = ixgbe_get_ringparam,
3221 .set_ringparam = ixgbe_set_ringparam,
3222 .get_pauseparam = ixgbe_get_pauseparam,
3223 .set_pauseparam = ixgbe_set_pauseparam,
3224 .get_msglevel = ixgbe_get_msglevel,
3225 .set_msglevel = ixgbe_set_msglevel,
3226 .self_test = ixgbe_diag_test,
3227 .get_strings = ixgbe_get_strings,
3228 .set_phys_id = ixgbe_set_phys_id,
3229 .get_sset_count = ixgbe_get_sset_count,
3230 .get_ethtool_stats = ixgbe_get_ethtool_stats,
3231 .get_coalesce = ixgbe_get_coalesce,
3232 .set_coalesce = ixgbe_set_coalesce,
3233 .get_rxnfc = ixgbe_get_rxnfc,
3234 .set_rxnfc = ixgbe_set_rxnfc,
3235 .get_rxfh_indir_size = ixgbe_rss_indir_size,
3236 .get_rxfh_key_size = ixgbe_get_rxfh_key_size,
3237 .get_rxfh = ixgbe_get_rxfh,
3238 .set_rxfh = ixgbe_set_rxfh,
3239 .get_channels = ixgbe_get_channels,
3240 .set_channels = ixgbe_set_channels,
3241 .get_ts_info = ixgbe_get_ts_info,
3242 .get_module_info = ixgbe_get_module_info,
3243 .get_module_eeprom = ixgbe_get_module_eeprom,
3244};
3245
3246void ixgbe_set_ethtool_ops(struct net_device *netdev)
3247{
3248 netdev->ethtool_ops = &ixgbe_ethtool_ops;
3249}