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[mirror_ubuntu-bionic-kernel.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_ethtool.c
1 /*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2012 Intel Corporation.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26 *******************************************************************************/
27
28 /* ethtool support for ixgbe */
29
30 #include <linux/interrupt.h>
31 #include <linux/types.h>
32 #include <linux/module.h>
33 #include <linux/slab.h>
34 #include <linux/pci.h>
35 #include <linux/netdevice.h>
36 #include <linux/ethtool.h>
37 #include <linux/vmalloc.h>
38 #include <linux/highmem.h>
39 #include <linux/uaccess.h>
40
41 #include "ixgbe.h"
42
43
44 #define IXGBE_ALL_RAR_ENTRIES 16
45
46 enum {NETDEV_STATS, IXGBE_STATS};
47
48 struct ixgbe_stats {
49 char stat_string[ETH_GSTRING_LEN];
50 int type;
51 int sizeof_stat;
52 int stat_offset;
53 };
54
55 #define IXGBE_STAT(m) IXGBE_STATS, \
56 sizeof(((struct ixgbe_adapter *)0)->m), \
57 offsetof(struct ixgbe_adapter, m)
58 #define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
59 sizeof(((struct rtnl_link_stats64 *)0)->m), \
60 offsetof(struct rtnl_link_stats64, m)
61
62 static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
63 {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
64 {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
65 {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
66 {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
67 {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
68 {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
69 {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
70 {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
71 {"lsc_int", IXGBE_STAT(lsc_int)},
72 {"tx_busy", IXGBE_STAT(tx_busy)},
73 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
74 {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
75 {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
76 {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
77 {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
78 {"multicast", IXGBE_NETDEV_STAT(multicast)},
79 {"broadcast", IXGBE_STAT(stats.bprc)},
80 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
81 {"collisions", IXGBE_NETDEV_STAT(collisions)},
82 {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
83 {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
84 {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
85 {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
86 {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
87 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
88 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
89 {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
90 {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
91 {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
92 {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
93 {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
94 {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
95 {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
96 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
97 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
98 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
99 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
100 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
101 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
102 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
103 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
104 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
105 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
106 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
107 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
108 {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
109 {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
110 {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
111 {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
112 #ifdef IXGBE_FCOE
113 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
114 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
115 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
116 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
117 {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
118 {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
119 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
120 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
121 #endif /* IXGBE_FCOE */
122 };
123
124 /* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
125 * we set the num_rx_queues to evaluate to num_tx_queues. This is
126 * used because we do not have a good way to get the max number of
127 * rx queues with CONFIG_RPS disabled.
128 */
129 #define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
130
131 #define IXGBE_QUEUE_STATS_LEN ( \
132 (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
133 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
134 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
135 #define IXGBE_PB_STATS_LEN ( \
136 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
137 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
138 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
139 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
140 / sizeof(u64))
141 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
142 IXGBE_PB_STATS_LEN + \
143 IXGBE_QUEUE_STATS_LEN)
144
145 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
146 "Register test (offline)", "Eeprom test (offline)",
147 "Interrupt test (offline)", "Loopback test (offline)",
148 "Link test (on/offline)"
149 };
150 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
151
152 static int ixgbe_get_settings(struct net_device *netdev,
153 struct ethtool_cmd *ecmd)
154 {
155 struct ixgbe_adapter *adapter = netdev_priv(netdev);
156 struct ixgbe_hw *hw = &adapter->hw;
157 ixgbe_link_speed supported_link;
158 u32 link_speed = 0;
159 bool autoneg;
160 bool link_up;
161
162 hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
163
164 /* set the supported link speeds */
165 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
166 ecmd->supported |= SUPPORTED_10000baseT_Full;
167 if (supported_link & IXGBE_LINK_SPEED_1GB_FULL)
168 ecmd->supported |= SUPPORTED_1000baseT_Full;
169 if (supported_link & IXGBE_LINK_SPEED_100_FULL)
170 ecmd->supported |= SUPPORTED_100baseT_Full;
171
172 /* set the advertised speeds */
173 if (hw->phy.autoneg_advertised) {
174 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
175 ecmd->advertising |= ADVERTISED_100baseT_Full;
176 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
177 ecmd->advertising |= ADVERTISED_10000baseT_Full;
178 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
179 ecmd->advertising |= ADVERTISED_1000baseT_Full;
180 } else {
181 /* default modes in case phy.autoneg_advertised isn't set */
182 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
183 ecmd->advertising |= ADVERTISED_10000baseT_Full;
184 if (supported_link & IXGBE_LINK_SPEED_1GB_FULL)
185 ecmd->advertising |= ADVERTISED_1000baseT_Full;
186 if (supported_link & IXGBE_LINK_SPEED_100_FULL)
187 ecmd->advertising |= ADVERTISED_100baseT_Full;
188 }
189
190 if (autoneg) {
191 ecmd->supported |= SUPPORTED_Autoneg;
192 ecmd->advertising |= ADVERTISED_Autoneg;
193 ecmd->autoneg = AUTONEG_ENABLE;
194 } else
195 ecmd->autoneg = AUTONEG_DISABLE;
196
197 ecmd->transceiver = XCVR_EXTERNAL;
198
199 /* Determine the remaining settings based on the PHY type. */
200 switch (adapter->hw.phy.type) {
201 case ixgbe_phy_tn:
202 case ixgbe_phy_aq:
203 case ixgbe_phy_cu_unknown:
204 ecmd->supported |= SUPPORTED_TP;
205 ecmd->advertising |= ADVERTISED_TP;
206 ecmd->port = PORT_TP;
207 break;
208 case ixgbe_phy_qt:
209 ecmd->supported |= SUPPORTED_FIBRE;
210 ecmd->advertising |= ADVERTISED_FIBRE;
211 ecmd->port = PORT_FIBRE;
212 break;
213 case ixgbe_phy_nl:
214 case ixgbe_phy_sfp_passive_tyco:
215 case ixgbe_phy_sfp_passive_unknown:
216 case ixgbe_phy_sfp_ftl:
217 case ixgbe_phy_sfp_avago:
218 case ixgbe_phy_sfp_intel:
219 case ixgbe_phy_sfp_unknown:
220 /* SFP+ devices, further checking needed */
221 switch (adapter->hw.phy.sfp_type) {
222 case ixgbe_sfp_type_da_cu:
223 case ixgbe_sfp_type_da_cu_core0:
224 case ixgbe_sfp_type_da_cu_core1:
225 ecmd->supported |= SUPPORTED_FIBRE;
226 ecmd->advertising |= ADVERTISED_FIBRE;
227 ecmd->port = PORT_DA;
228 break;
229 case ixgbe_sfp_type_sr:
230 case ixgbe_sfp_type_lr:
231 case ixgbe_sfp_type_srlr_core0:
232 case ixgbe_sfp_type_srlr_core1:
233 ecmd->supported |= SUPPORTED_FIBRE;
234 ecmd->advertising |= ADVERTISED_FIBRE;
235 ecmd->port = PORT_FIBRE;
236 break;
237 case ixgbe_sfp_type_not_present:
238 ecmd->supported |= SUPPORTED_FIBRE;
239 ecmd->advertising |= ADVERTISED_FIBRE;
240 ecmd->port = PORT_NONE;
241 break;
242 case ixgbe_sfp_type_1g_cu_core0:
243 case ixgbe_sfp_type_1g_cu_core1:
244 ecmd->supported |= SUPPORTED_TP;
245 ecmd->advertising |= ADVERTISED_TP;
246 ecmd->port = PORT_TP;
247 break;
248 case ixgbe_sfp_type_1g_sx_core0:
249 case ixgbe_sfp_type_1g_sx_core1:
250 ecmd->supported |= SUPPORTED_FIBRE;
251 ecmd->advertising |= ADVERTISED_FIBRE;
252 ecmd->port = PORT_FIBRE;
253 break;
254 case ixgbe_sfp_type_unknown:
255 default:
256 ecmd->supported |= SUPPORTED_FIBRE;
257 ecmd->advertising |= ADVERTISED_FIBRE;
258 ecmd->port = PORT_OTHER;
259 break;
260 }
261 break;
262 case ixgbe_phy_xaui:
263 ecmd->supported |= SUPPORTED_FIBRE;
264 ecmd->advertising |= ADVERTISED_FIBRE;
265 ecmd->port = PORT_NONE;
266 break;
267 case ixgbe_phy_unknown:
268 case ixgbe_phy_generic:
269 case ixgbe_phy_sfp_unsupported:
270 default:
271 ecmd->supported |= SUPPORTED_FIBRE;
272 ecmd->advertising |= ADVERTISED_FIBRE;
273 ecmd->port = PORT_OTHER;
274 break;
275 }
276
277 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
278 if (link_up) {
279 switch (link_speed) {
280 case IXGBE_LINK_SPEED_10GB_FULL:
281 ethtool_cmd_speed_set(ecmd, SPEED_10000);
282 break;
283 case IXGBE_LINK_SPEED_1GB_FULL:
284 ethtool_cmd_speed_set(ecmd, SPEED_1000);
285 break;
286 case IXGBE_LINK_SPEED_100_FULL:
287 ethtool_cmd_speed_set(ecmd, SPEED_100);
288 break;
289 default:
290 break;
291 }
292 ecmd->duplex = DUPLEX_FULL;
293 } else {
294 ethtool_cmd_speed_set(ecmd, -1);
295 ecmd->duplex = -1;
296 }
297
298 return 0;
299 }
300
301 static int ixgbe_set_settings(struct net_device *netdev,
302 struct ethtool_cmd *ecmd)
303 {
304 struct ixgbe_adapter *adapter = netdev_priv(netdev);
305 struct ixgbe_hw *hw = &adapter->hw;
306 u32 advertised, old;
307 s32 err = 0;
308
309 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
310 (hw->phy.multispeed_fiber)) {
311 /*
312 * this function does not support duplex forcing, but can
313 * limit the advertising of the adapter to the specified speed
314 */
315 if (ecmd->autoneg == AUTONEG_DISABLE)
316 return -EINVAL;
317
318 if (ecmd->advertising & ~ecmd->supported)
319 return -EINVAL;
320
321 old = hw->phy.autoneg_advertised;
322 advertised = 0;
323 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
324 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
325
326 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
327 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
328
329 if (ecmd->advertising & ADVERTISED_100baseT_Full)
330 advertised |= IXGBE_LINK_SPEED_100_FULL;
331
332 if (old == advertised)
333 return err;
334 /* this sets the link speed and restarts auto-neg */
335 hw->mac.autotry_restart = true;
336 err = hw->mac.ops.setup_link(hw, advertised, true, true);
337 if (err) {
338 e_info(probe, "setup link failed with code %d\n", err);
339 hw->mac.ops.setup_link(hw, old, true, true);
340 }
341 } else {
342 /* in this case we currently only support 10Gb/FULL */
343 u32 speed = ethtool_cmd_speed(ecmd);
344 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
345 (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
346 (speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
347 return -EINVAL;
348 }
349
350 return err;
351 }
352
353 static void ixgbe_get_pauseparam(struct net_device *netdev,
354 struct ethtool_pauseparam *pause)
355 {
356 struct ixgbe_adapter *adapter = netdev_priv(netdev);
357 struct ixgbe_hw *hw = &adapter->hw;
358
359 if (hw->fc.disable_fc_autoneg)
360 pause->autoneg = 0;
361 else
362 pause->autoneg = 1;
363
364 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
365 pause->rx_pause = 1;
366 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
367 pause->tx_pause = 1;
368 } else if (hw->fc.current_mode == ixgbe_fc_full) {
369 pause->rx_pause = 1;
370 pause->tx_pause = 1;
371 }
372 }
373
374 static int ixgbe_set_pauseparam(struct net_device *netdev,
375 struct ethtool_pauseparam *pause)
376 {
377 struct ixgbe_adapter *adapter = netdev_priv(netdev);
378 struct ixgbe_hw *hw = &adapter->hw;
379 struct ixgbe_fc_info fc = hw->fc;
380
381 /* 82598 does no support link flow control with DCB enabled */
382 if ((hw->mac.type == ixgbe_mac_82598EB) &&
383 (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
384 return -EINVAL;
385
386 fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
387
388 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
389 fc.requested_mode = ixgbe_fc_full;
390 else if (pause->rx_pause && !pause->tx_pause)
391 fc.requested_mode = ixgbe_fc_rx_pause;
392 else if (!pause->rx_pause && pause->tx_pause)
393 fc.requested_mode = ixgbe_fc_tx_pause;
394 else
395 fc.requested_mode = ixgbe_fc_none;
396
397 /* if the thing changed then we'll update and use new autoneg */
398 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
399 hw->fc = fc;
400 if (netif_running(netdev))
401 ixgbe_reinit_locked(adapter);
402 else
403 ixgbe_reset(adapter);
404 }
405
406 return 0;
407 }
408
409 static u32 ixgbe_get_msglevel(struct net_device *netdev)
410 {
411 struct ixgbe_adapter *adapter = netdev_priv(netdev);
412 return adapter->msg_enable;
413 }
414
415 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
416 {
417 struct ixgbe_adapter *adapter = netdev_priv(netdev);
418 adapter->msg_enable = data;
419 }
420
421 static int ixgbe_get_regs_len(struct net_device *netdev)
422 {
423 #define IXGBE_REGS_LEN 1129
424 return IXGBE_REGS_LEN * sizeof(u32);
425 }
426
427 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
428
429 static void ixgbe_get_regs(struct net_device *netdev,
430 struct ethtool_regs *regs, void *p)
431 {
432 struct ixgbe_adapter *adapter = netdev_priv(netdev);
433 struct ixgbe_hw *hw = &adapter->hw;
434 u32 *regs_buff = p;
435 u8 i;
436
437 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
438
439 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
440
441 /* General Registers */
442 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
443 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
444 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
445 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
446 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
447 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
448 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
449 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
450
451 /* NVM Register */
452 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
453 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
454 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
455 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
456 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
457 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
458 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
459 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
460 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
461 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
462
463 /* Interrupt */
464 /* don't read EICR because it can clear interrupt causes, instead
465 * read EICS which is a shadow but doesn't clear EICR */
466 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
467 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
468 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
469 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
470 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
471 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
472 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
473 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
474 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
475 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
476 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
477 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
478
479 /* Flow Control */
480 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
481 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
482 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
483 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
484 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
485 for (i = 0; i < 8; i++) {
486 switch (hw->mac.type) {
487 case ixgbe_mac_82598EB:
488 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
489 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
490 break;
491 case ixgbe_mac_82599EB:
492 case ixgbe_mac_X540:
493 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
494 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
495 break;
496 default:
497 break;
498 }
499 }
500 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
501 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
502
503 /* Receive DMA */
504 for (i = 0; i < 64; i++)
505 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
506 for (i = 0; i < 64; i++)
507 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
508 for (i = 0; i < 64; i++)
509 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
510 for (i = 0; i < 64; i++)
511 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
512 for (i = 0; i < 64; i++)
513 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
514 for (i = 0; i < 64; i++)
515 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
516 for (i = 0; i < 16; i++)
517 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
518 for (i = 0; i < 16; i++)
519 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
520 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
521 for (i = 0; i < 8; i++)
522 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
523 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
524 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
525
526 /* Receive */
527 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
528 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
529 for (i = 0; i < 16; i++)
530 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
531 for (i = 0; i < 16; i++)
532 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
533 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
534 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
535 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
536 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
537 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
538 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
539 for (i = 0; i < 8; i++)
540 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
541 for (i = 0; i < 8; i++)
542 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
543 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
544
545 /* Transmit */
546 for (i = 0; i < 32; i++)
547 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
548 for (i = 0; i < 32; i++)
549 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
550 for (i = 0; i < 32; i++)
551 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
552 for (i = 0; i < 32; i++)
553 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
554 for (i = 0; i < 32; i++)
555 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
556 for (i = 0; i < 32; i++)
557 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
558 for (i = 0; i < 32; i++)
559 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
560 for (i = 0; i < 32; i++)
561 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
562 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
563 for (i = 0; i < 16; i++)
564 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
565 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
566 for (i = 0; i < 8; i++)
567 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
568 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
569
570 /* Wake Up */
571 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
572 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
573 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
574 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
575 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
576 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
577 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
578 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
579 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
580
581 /* DCB */
582 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
583 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
584 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
585 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
586 for (i = 0; i < 8; i++)
587 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
588 for (i = 0; i < 8; i++)
589 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
590 for (i = 0; i < 8; i++)
591 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
592 for (i = 0; i < 8; i++)
593 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
594 for (i = 0; i < 8; i++)
595 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
596 for (i = 0; i < 8; i++)
597 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
598
599 /* Statistics */
600 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
601 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
602 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
603 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
604 for (i = 0; i < 8; i++)
605 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
606 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
607 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
608 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
609 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
610 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
611 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
612 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
613 for (i = 0; i < 8; i++)
614 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
615 for (i = 0; i < 8; i++)
616 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
617 for (i = 0; i < 8; i++)
618 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
619 for (i = 0; i < 8; i++)
620 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
621 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
622 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
623 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
624 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
625 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
626 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
627 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
628 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
629 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
630 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
631 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
632 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
633 for (i = 0; i < 8; i++)
634 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
635 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
636 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
637 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
638 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
639 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
640 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
641 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
642 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
643 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
644 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
645 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
646 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
647 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
648 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
649 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
650 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
651 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
652 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
653 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
654 for (i = 0; i < 16; i++)
655 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
656 for (i = 0; i < 16; i++)
657 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
658 for (i = 0; i < 16; i++)
659 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
660 for (i = 0; i < 16; i++)
661 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
662
663 /* MAC */
664 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
665 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
666 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
667 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
668 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
669 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
670 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
671 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
672 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
673 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
674 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
675 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
676 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
677 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
678 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
679 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
680 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
681 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
682 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
683 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
684 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
685 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
686 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
687 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
688 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
689 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
690 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
691 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
692 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
693 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
694 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
695 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
696 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
697
698 /* Diagnostic */
699 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
700 for (i = 0; i < 8; i++)
701 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
702 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
703 for (i = 0; i < 4; i++)
704 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
705 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
706 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
707 for (i = 0; i < 8; i++)
708 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
709 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
710 for (i = 0; i < 4; i++)
711 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
712 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
713 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
714 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
715 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
716 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
717 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
718 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
719 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
720 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
721 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
722 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
723 for (i = 0; i < 8; i++)
724 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
725 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
726 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
727 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
728 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
729 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
730 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
731 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
732 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
733 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
734
735 /* 82599 X540 specific registers */
736 regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
737 }
738
739 static int ixgbe_get_eeprom_len(struct net_device *netdev)
740 {
741 struct ixgbe_adapter *adapter = netdev_priv(netdev);
742 return adapter->hw.eeprom.word_size * 2;
743 }
744
745 static int ixgbe_get_eeprom(struct net_device *netdev,
746 struct ethtool_eeprom *eeprom, u8 *bytes)
747 {
748 struct ixgbe_adapter *adapter = netdev_priv(netdev);
749 struct ixgbe_hw *hw = &adapter->hw;
750 u16 *eeprom_buff;
751 int first_word, last_word, eeprom_len;
752 int ret_val = 0;
753 u16 i;
754
755 if (eeprom->len == 0)
756 return -EINVAL;
757
758 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
759
760 first_word = eeprom->offset >> 1;
761 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
762 eeprom_len = last_word - first_word + 1;
763
764 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
765 if (!eeprom_buff)
766 return -ENOMEM;
767
768 ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
769 eeprom_buff);
770
771 /* Device's eeprom is always little-endian, word addressable */
772 for (i = 0; i < eeprom_len; i++)
773 le16_to_cpus(&eeprom_buff[i]);
774
775 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
776 kfree(eeprom_buff);
777
778 return ret_val;
779 }
780
781 static int ixgbe_set_eeprom(struct net_device *netdev,
782 struct ethtool_eeprom *eeprom, u8 *bytes)
783 {
784 struct ixgbe_adapter *adapter = netdev_priv(netdev);
785 struct ixgbe_hw *hw = &adapter->hw;
786 u16 *eeprom_buff;
787 void *ptr;
788 int max_len, first_word, last_word, ret_val = 0;
789 u16 i;
790
791 if (eeprom->len == 0)
792 return -EINVAL;
793
794 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
795 return -EINVAL;
796
797 max_len = hw->eeprom.word_size * 2;
798
799 first_word = eeprom->offset >> 1;
800 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
801 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
802 if (!eeprom_buff)
803 return -ENOMEM;
804
805 ptr = eeprom_buff;
806
807 if (eeprom->offset & 1) {
808 /*
809 * need read/modify/write of first changed EEPROM word
810 * only the second byte of the word is being modified
811 */
812 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
813 if (ret_val)
814 goto err;
815
816 ptr++;
817 }
818 if ((eeprom->offset + eeprom->len) & 1) {
819 /*
820 * need read/modify/write of last changed EEPROM word
821 * only the first byte of the word is being modified
822 */
823 ret_val = hw->eeprom.ops.read(hw, last_word,
824 &eeprom_buff[last_word - first_word]);
825 if (ret_val)
826 goto err;
827 }
828
829 /* Device's eeprom is always little-endian, word addressable */
830 for (i = 0; i < last_word - first_word + 1; i++)
831 le16_to_cpus(&eeprom_buff[i]);
832
833 memcpy(ptr, bytes, eeprom->len);
834
835 for (i = 0; i < last_word - first_word + 1; i++)
836 cpu_to_le16s(&eeprom_buff[i]);
837
838 ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
839 last_word - first_word + 1,
840 eeprom_buff);
841
842 /* Update the checksum */
843 if (ret_val == 0)
844 hw->eeprom.ops.update_checksum(hw);
845
846 err:
847 kfree(eeprom_buff);
848 return ret_val;
849 }
850
851 static void ixgbe_get_drvinfo(struct net_device *netdev,
852 struct ethtool_drvinfo *drvinfo)
853 {
854 struct ixgbe_adapter *adapter = netdev_priv(netdev);
855 u32 nvm_track_id;
856
857 strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
858 strlcpy(drvinfo->version, ixgbe_driver_version,
859 sizeof(drvinfo->version));
860
861 nvm_track_id = (adapter->eeprom_verh << 16) |
862 adapter->eeprom_verl;
863 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
864 nvm_track_id);
865
866 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
867 sizeof(drvinfo->bus_info));
868 drvinfo->n_stats = IXGBE_STATS_LEN;
869 drvinfo->testinfo_len = IXGBE_TEST_LEN;
870 drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
871 }
872
873 static void ixgbe_get_ringparam(struct net_device *netdev,
874 struct ethtool_ringparam *ring)
875 {
876 struct ixgbe_adapter *adapter = netdev_priv(netdev);
877 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
878 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
879
880 ring->rx_max_pending = IXGBE_MAX_RXD;
881 ring->tx_max_pending = IXGBE_MAX_TXD;
882 ring->rx_pending = rx_ring->count;
883 ring->tx_pending = tx_ring->count;
884 }
885
886 static int ixgbe_set_ringparam(struct net_device *netdev,
887 struct ethtool_ringparam *ring)
888 {
889 struct ixgbe_adapter *adapter = netdev_priv(netdev);
890 struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
891 int i, err = 0;
892 u32 new_rx_count, new_tx_count;
893 bool need_update = false;
894
895 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
896 return -EINVAL;
897
898 new_rx_count = max_t(u32, ring->rx_pending, IXGBE_MIN_RXD);
899 new_rx_count = min_t(u32, new_rx_count, IXGBE_MAX_RXD);
900 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
901
902 new_tx_count = max_t(u32, ring->tx_pending, IXGBE_MIN_TXD);
903 new_tx_count = min_t(u32, new_tx_count, IXGBE_MAX_TXD);
904 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
905
906 if ((new_tx_count == adapter->tx_ring[0]->count) &&
907 (new_rx_count == adapter->rx_ring[0]->count)) {
908 /* nothing to do */
909 return 0;
910 }
911
912 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
913 usleep_range(1000, 2000);
914
915 if (!netif_running(adapter->netdev)) {
916 for (i = 0; i < adapter->num_tx_queues; i++)
917 adapter->tx_ring[i]->count = new_tx_count;
918 for (i = 0; i < adapter->num_rx_queues; i++)
919 adapter->rx_ring[i]->count = new_rx_count;
920 adapter->tx_ring_count = new_tx_count;
921 adapter->rx_ring_count = new_rx_count;
922 goto clear_reset;
923 }
924
925 temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring));
926 if (!temp_tx_ring) {
927 err = -ENOMEM;
928 goto clear_reset;
929 }
930
931 if (new_tx_count != adapter->tx_ring_count) {
932 for (i = 0; i < adapter->num_tx_queues; i++) {
933 memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
934 sizeof(struct ixgbe_ring));
935 temp_tx_ring[i].count = new_tx_count;
936 err = ixgbe_setup_tx_resources(&temp_tx_ring[i]);
937 if (err) {
938 while (i) {
939 i--;
940 ixgbe_free_tx_resources(&temp_tx_ring[i]);
941 }
942 goto clear_reset;
943 }
944 }
945 need_update = true;
946 }
947
948 temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring));
949 if (!temp_rx_ring) {
950 err = -ENOMEM;
951 goto err_setup;
952 }
953
954 if (new_rx_count != adapter->rx_ring_count) {
955 for (i = 0; i < adapter->num_rx_queues; i++) {
956 memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
957 sizeof(struct ixgbe_ring));
958 temp_rx_ring[i].count = new_rx_count;
959 err = ixgbe_setup_rx_resources(&temp_rx_ring[i]);
960 if (err) {
961 while (i) {
962 i--;
963 ixgbe_free_rx_resources(&temp_rx_ring[i]);
964 }
965 goto err_setup;
966 }
967 }
968 need_update = true;
969 }
970
971 /* if rings need to be updated, here's the place to do it in one shot */
972 if (need_update) {
973 ixgbe_down(adapter);
974
975 /* tx */
976 if (new_tx_count != adapter->tx_ring_count) {
977 for (i = 0; i < adapter->num_tx_queues; i++) {
978 ixgbe_free_tx_resources(adapter->tx_ring[i]);
979 memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
980 sizeof(struct ixgbe_ring));
981 }
982 adapter->tx_ring_count = new_tx_count;
983 }
984
985 /* rx */
986 if (new_rx_count != adapter->rx_ring_count) {
987 for (i = 0; i < adapter->num_rx_queues; i++) {
988 ixgbe_free_rx_resources(adapter->rx_ring[i]);
989 memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
990 sizeof(struct ixgbe_ring));
991 }
992 adapter->rx_ring_count = new_rx_count;
993 }
994 ixgbe_up(adapter);
995 }
996
997 vfree(temp_rx_ring);
998 err_setup:
999 vfree(temp_tx_ring);
1000 clear_reset:
1001 clear_bit(__IXGBE_RESETTING, &adapter->state);
1002 return err;
1003 }
1004
1005 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1006 {
1007 switch (sset) {
1008 case ETH_SS_TEST:
1009 return IXGBE_TEST_LEN;
1010 case ETH_SS_STATS:
1011 return IXGBE_STATS_LEN;
1012 default:
1013 return -EOPNOTSUPP;
1014 }
1015 }
1016
1017 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1018 struct ethtool_stats *stats, u64 *data)
1019 {
1020 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1021 struct rtnl_link_stats64 temp;
1022 const struct rtnl_link_stats64 *net_stats;
1023 unsigned int start;
1024 struct ixgbe_ring *ring;
1025 int i, j;
1026 char *p = NULL;
1027
1028 ixgbe_update_stats(adapter);
1029 net_stats = dev_get_stats(netdev, &temp);
1030 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1031 switch (ixgbe_gstrings_stats[i].type) {
1032 case NETDEV_STATS:
1033 p = (char *) net_stats +
1034 ixgbe_gstrings_stats[i].stat_offset;
1035 break;
1036 case IXGBE_STATS:
1037 p = (char *) adapter +
1038 ixgbe_gstrings_stats[i].stat_offset;
1039 break;
1040 }
1041
1042 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1043 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1044 }
1045 for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1046 ring = adapter->tx_ring[j];
1047 if (!ring) {
1048 data[i] = 0;
1049 data[i+1] = 0;
1050 i += 2;
1051 continue;
1052 }
1053
1054 do {
1055 start = u64_stats_fetch_begin_bh(&ring->syncp);
1056 data[i] = ring->stats.packets;
1057 data[i+1] = ring->stats.bytes;
1058 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1059 i += 2;
1060 }
1061 for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1062 ring = adapter->rx_ring[j];
1063 if (!ring) {
1064 data[i] = 0;
1065 data[i+1] = 0;
1066 i += 2;
1067 continue;
1068 }
1069
1070 do {
1071 start = u64_stats_fetch_begin_bh(&ring->syncp);
1072 data[i] = ring->stats.packets;
1073 data[i+1] = ring->stats.bytes;
1074 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1075 i += 2;
1076 }
1077
1078 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1079 data[i++] = adapter->stats.pxontxc[j];
1080 data[i++] = adapter->stats.pxofftxc[j];
1081 }
1082 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1083 data[i++] = adapter->stats.pxonrxc[j];
1084 data[i++] = adapter->stats.pxoffrxc[j];
1085 }
1086 }
1087
1088 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1089 u8 *data)
1090 {
1091 char *p = (char *)data;
1092 int i;
1093
1094 switch (stringset) {
1095 case ETH_SS_TEST:
1096 memcpy(data, *ixgbe_gstrings_test,
1097 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1098 break;
1099 case ETH_SS_STATS:
1100 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1101 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1102 ETH_GSTRING_LEN);
1103 p += ETH_GSTRING_LEN;
1104 }
1105 for (i = 0; i < netdev->num_tx_queues; i++) {
1106 sprintf(p, "tx_queue_%u_packets", i);
1107 p += ETH_GSTRING_LEN;
1108 sprintf(p, "tx_queue_%u_bytes", i);
1109 p += ETH_GSTRING_LEN;
1110 }
1111 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1112 sprintf(p, "rx_queue_%u_packets", i);
1113 p += ETH_GSTRING_LEN;
1114 sprintf(p, "rx_queue_%u_bytes", i);
1115 p += ETH_GSTRING_LEN;
1116 }
1117 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1118 sprintf(p, "tx_pb_%u_pxon", i);
1119 p += ETH_GSTRING_LEN;
1120 sprintf(p, "tx_pb_%u_pxoff", i);
1121 p += ETH_GSTRING_LEN;
1122 }
1123 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1124 sprintf(p, "rx_pb_%u_pxon", i);
1125 p += ETH_GSTRING_LEN;
1126 sprintf(p, "rx_pb_%u_pxoff", i);
1127 p += ETH_GSTRING_LEN;
1128 }
1129 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1130 break;
1131 }
1132 }
1133
1134 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1135 {
1136 struct ixgbe_hw *hw = &adapter->hw;
1137 bool link_up;
1138 u32 link_speed = 0;
1139 *data = 0;
1140
1141 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1142 if (link_up)
1143 return *data;
1144 else
1145 *data = 1;
1146 return *data;
1147 }
1148
1149 /* ethtool register test data */
1150 struct ixgbe_reg_test {
1151 u16 reg;
1152 u8 array_len;
1153 u8 test_type;
1154 u32 mask;
1155 u32 write;
1156 };
1157
1158 /* In the hardware, registers are laid out either singly, in arrays
1159 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1160 * most tests take place on arrays or single registers (handled
1161 * as a single-element array) and special-case the tables.
1162 * Table tests are always pattern tests.
1163 *
1164 * We also make provision for some required setup steps by specifying
1165 * registers to be written without any read-back testing.
1166 */
1167
1168 #define PATTERN_TEST 1
1169 #define SET_READ_TEST 2
1170 #define WRITE_NO_TEST 3
1171 #define TABLE32_TEST 4
1172 #define TABLE64_TEST_LO 5
1173 #define TABLE64_TEST_HI 6
1174
1175 /* default 82599 register test */
1176 static const struct ixgbe_reg_test reg_test_82599[] = {
1177 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1178 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1179 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1180 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1181 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1182 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1183 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1184 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1185 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1186 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1187 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1188 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1189 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1190 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1191 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1192 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1193 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1194 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1195 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1196 { 0, 0, 0, 0 }
1197 };
1198
1199 /* default 82598 register test */
1200 static const struct ixgbe_reg_test reg_test_82598[] = {
1201 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1202 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1203 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1204 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1205 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1206 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1207 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1208 /* Enable all four RX queues before testing. */
1209 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1210 /* RDH is read-only for 82598, only test RDT. */
1211 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1212 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1213 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1214 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1215 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1216 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1217 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1218 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1219 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1220 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1221 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1222 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1223 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1224 { 0, 0, 0, 0 }
1225 };
1226
1227 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1228 u32 mask, u32 write)
1229 {
1230 u32 pat, val, before;
1231 static const u32 test_pattern[] = {
1232 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1233
1234 for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1235 before = readl(adapter->hw.hw_addr + reg);
1236 writel((test_pattern[pat] & write),
1237 (adapter->hw.hw_addr + reg));
1238 val = readl(adapter->hw.hw_addr + reg);
1239 if (val != (test_pattern[pat] & write & mask)) {
1240 e_err(drv, "pattern test reg %04X failed: got "
1241 "0x%08X expected 0x%08X\n",
1242 reg, val, (test_pattern[pat] & write & mask));
1243 *data = reg;
1244 writel(before, adapter->hw.hw_addr + reg);
1245 return 1;
1246 }
1247 writel(before, adapter->hw.hw_addr + reg);
1248 }
1249 return 0;
1250 }
1251
1252 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1253 u32 mask, u32 write)
1254 {
1255 u32 val, before;
1256 before = readl(adapter->hw.hw_addr + reg);
1257 writel((write & mask), (adapter->hw.hw_addr + reg));
1258 val = readl(adapter->hw.hw_addr + reg);
1259 if ((write & mask) != (val & mask)) {
1260 e_err(drv, "set/check reg %04X test failed: got 0x%08X "
1261 "expected 0x%08X\n", reg, (val & mask), (write & mask));
1262 *data = reg;
1263 writel(before, (adapter->hw.hw_addr + reg));
1264 return 1;
1265 }
1266 writel(before, (adapter->hw.hw_addr + reg));
1267 return 0;
1268 }
1269
1270 #define REG_PATTERN_TEST(reg, mask, write) \
1271 do { \
1272 if (reg_pattern_test(adapter, data, reg, mask, write)) \
1273 return 1; \
1274 } while (0) \
1275
1276
1277 #define REG_SET_AND_CHECK(reg, mask, write) \
1278 do { \
1279 if (reg_set_and_check(adapter, data, reg, mask, write)) \
1280 return 1; \
1281 } while (0) \
1282
1283 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1284 {
1285 const struct ixgbe_reg_test *test;
1286 u32 value, before, after;
1287 u32 i, toggle;
1288
1289 switch (adapter->hw.mac.type) {
1290 case ixgbe_mac_82598EB:
1291 toggle = 0x7FFFF3FF;
1292 test = reg_test_82598;
1293 break;
1294 case ixgbe_mac_82599EB:
1295 case ixgbe_mac_X540:
1296 toggle = 0x7FFFF30F;
1297 test = reg_test_82599;
1298 break;
1299 default:
1300 *data = 1;
1301 return 1;
1302 break;
1303 }
1304
1305 /*
1306 * Because the status register is such a special case,
1307 * we handle it separately from the rest of the register
1308 * tests. Some bits are read-only, some toggle, and some
1309 * are writeable on newer MACs.
1310 */
1311 before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1312 value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1313 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1314 after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1315 if (value != after) {
1316 e_err(drv, "failed STATUS register test got: 0x%08X "
1317 "expected: 0x%08X\n", after, value);
1318 *data = 1;
1319 return 1;
1320 }
1321 /* restore previous status */
1322 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1323
1324 /*
1325 * Perform the remainder of the register test, looping through
1326 * the test table until we either fail or reach the null entry.
1327 */
1328 while (test->reg) {
1329 for (i = 0; i < test->array_len; i++) {
1330 switch (test->test_type) {
1331 case PATTERN_TEST:
1332 REG_PATTERN_TEST(test->reg + (i * 0x40),
1333 test->mask,
1334 test->write);
1335 break;
1336 case SET_READ_TEST:
1337 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1338 test->mask,
1339 test->write);
1340 break;
1341 case WRITE_NO_TEST:
1342 writel(test->write,
1343 (adapter->hw.hw_addr + test->reg)
1344 + (i * 0x40));
1345 break;
1346 case TABLE32_TEST:
1347 REG_PATTERN_TEST(test->reg + (i * 4),
1348 test->mask,
1349 test->write);
1350 break;
1351 case TABLE64_TEST_LO:
1352 REG_PATTERN_TEST(test->reg + (i * 8),
1353 test->mask,
1354 test->write);
1355 break;
1356 case TABLE64_TEST_HI:
1357 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1358 test->mask,
1359 test->write);
1360 break;
1361 }
1362 }
1363 test++;
1364 }
1365
1366 *data = 0;
1367 return 0;
1368 }
1369
1370 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1371 {
1372 struct ixgbe_hw *hw = &adapter->hw;
1373 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1374 *data = 1;
1375 else
1376 *data = 0;
1377 return *data;
1378 }
1379
1380 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1381 {
1382 struct net_device *netdev = (struct net_device *) data;
1383 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1384
1385 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1386
1387 return IRQ_HANDLED;
1388 }
1389
1390 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1391 {
1392 struct net_device *netdev = adapter->netdev;
1393 u32 mask, i = 0, shared_int = true;
1394 u32 irq = adapter->pdev->irq;
1395
1396 *data = 0;
1397
1398 /* Hook up test interrupt handler just for this test */
1399 if (adapter->msix_entries) {
1400 /* NOTE: we don't test MSI-X interrupts here, yet */
1401 return 0;
1402 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1403 shared_int = false;
1404 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1405 netdev)) {
1406 *data = 1;
1407 return -1;
1408 }
1409 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1410 netdev->name, netdev)) {
1411 shared_int = false;
1412 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1413 netdev->name, netdev)) {
1414 *data = 1;
1415 return -1;
1416 }
1417 e_info(hw, "testing %s interrupt\n", shared_int ?
1418 "shared" : "unshared");
1419
1420 /* Disable all the interrupts */
1421 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1422 IXGBE_WRITE_FLUSH(&adapter->hw);
1423 usleep_range(10000, 20000);
1424
1425 /* Test each interrupt */
1426 for (; i < 10; i++) {
1427 /* Interrupt to test */
1428 mask = 1 << i;
1429
1430 if (!shared_int) {
1431 /*
1432 * Disable the interrupts to be reported in
1433 * the cause register and then force the same
1434 * interrupt and see if one gets posted. If
1435 * an interrupt was posted to the bus, the
1436 * test failed.
1437 */
1438 adapter->test_icr = 0;
1439 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1440 ~mask & 0x00007FFF);
1441 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1442 ~mask & 0x00007FFF);
1443 IXGBE_WRITE_FLUSH(&adapter->hw);
1444 usleep_range(10000, 20000);
1445
1446 if (adapter->test_icr & mask) {
1447 *data = 3;
1448 break;
1449 }
1450 }
1451
1452 /*
1453 * Enable the interrupt to be reported in the cause
1454 * register and then force the same interrupt and see
1455 * if one gets posted. If an interrupt was not posted
1456 * to the bus, the test failed.
1457 */
1458 adapter->test_icr = 0;
1459 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1460 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1461 IXGBE_WRITE_FLUSH(&adapter->hw);
1462 usleep_range(10000, 20000);
1463
1464 if (!(adapter->test_icr &mask)) {
1465 *data = 4;
1466 break;
1467 }
1468
1469 if (!shared_int) {
1470 /*
1471 * Disable the other interrupts to be reported in
1472 * the cause register and then force the other
1473 * interrupts and see if any get posted. If
1474 * an interrupt was posted to the bus, the
1475 * test failed.
1476 */
1477 adapter->test_icr = 0;
1478 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1479 ~mask & 0x00007FFF);
1480 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1481 ~mask & 0x00007FFF);
1482 IXGBE_WRITE_FLUSH(&adapter->hw);
1483 usleep_range(10000, 20000);
1484
1485 if (adapter->test_icr) {
1486 *data = 5;
1487 break;
1488 }
1489 }
1490 }
1491
1492 /* Disable all the interrupts */
1493 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1494 IXGBE_WRITE_FLUSH(&adapter->hw);
1495 usleep_range(10000, 20000);
1496
1497 /* Unhook test interrupt handler */
1498 free_irq(irq, netdev);
1499
1500 return *data;
1501 }
1502
1503 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1504 {
1505 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1506 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1507 struct ixgbe_hw *hw = &adapter->hw;
1508 u32 reg_ctl;
1509
1510 /* shut down the DMA engines now so they can be reinitialized later */
1511
1512 /* first Rx */
1513 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1514 reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1515 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1516 ixgbe_disable_rx_queue(adapter, rx_ring);
1517
1518 /* now Tx */
1519 reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1520 reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1521 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1522
1523 switch (hw->mac.type) {
1524 case ixgbe_mac_82599EB:
1525 case ixgbe_mac_X540:
1526 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1527 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1528 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1529 break;
1530 default:
1531 break;
1532 }
1533
1534 ixgbe_reset(adapter);
1535
1536 ixgbe_free_tx_resources(&adapter->test_tx_ring);
1537 ixgbe_free_rx_resources(&adapter->test_rx_ring);
1538 }
1539
1540 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1541 {
1542 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1543 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1544 u32 rctl, reg_data;
1545 int ret_val;
1546 int err;
1547
1548 /* Setup Tx descriptor ring and Tx buffers */
1549 tx_ring->count = IXGBE_DEFAULT_TXD;
1550 tx_ring->queue_index = 0;
1551 tx_ring->dev = &adapter->pdev->dev;
1552 tx_ring->netdev = adapter->netdev;
1553 tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1554
1555 err = ixgbe_setup_tx_resources(tx_ring);
1556 if (err)
1557 return 1;
1558
1559 switch (adapter->hw.mac.type) {
1560 case ixgbe_mac_82599EB:
1561 case ixgbe_mac_X540:
1562 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1563 reg_data |= IXGBE_DMATXCTL_TE;
1564 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1565 break;
1566 default:
1567 break;
1568 }
1569
1570 ixgbe_configure_tx_ring(adapter, tx_ring);
1571
1572 /* Setup Rx Descriptor ring and Rx buffers */
1573 rx_ring->count = IXGBE_DEFAULT_RXD;
1574 rx_ring->queue_index = 0;
1575 rx_ring->dev = &adapter->pdev->dev;
1576 rx_ring->netdev = adapter->netdev;
1577 rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1578
1579 err = ixgbe_setup_rx_resources(rx_ring);
1580 if (err) {
1581 ret_val = 4;
1582 goto err_nomem;
1583 }
1584
1585 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1586 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1587
1588 ixgbe_configure_rx_ring(adapter, rx_ring);
1589
1590 rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1591 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1592
1593 return 0;
1594
1595 err_nomem:
1596 ixgbe_free_desc_rings(adapter);
1597 return ret_val;
1598 }
1599
1600 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1601 {
1602 struct ixgbe_hw *hw = &adapter->hw;
1603 u32 reg_data;
1604
1605 /* X540 needs to set the MACC.FLU bit to force link up */
1606 if (adapter->hw.mac.type == ixgbe_mac_X540) {
1607 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1608 reg_data |= IXGBE_MACC_FLU;
1609 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1610 }
1611
1612 /* right now we only support MAC loopback in the driver */
1613 reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1614 /* Setup MAC loopback */
1615 reg_data |= IXGBE_HLREG0_LPBK;
1616 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1617
1618 reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1619 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1620 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1621
1622 reg_data = IXGBE_READ_REG(hw, IXGBE_AUTOC);
1623 reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1624 reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1625 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1626 IXGBE_WRITE_FLUSH(hw);
1627 usleep_range(10000, 20000);
1628
1629 /* Disable Atlas Tx lanes; re-enabled in reset path */
1630 if (hw->mac.type == ixgbe_mac_82598EB) {
1631 u8 atlas;
1632
1633 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1634 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1635 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1636
1637 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1638 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1639 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1640
1641 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1642 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1643 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1644
1645 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1646 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1647 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1648 }
1649
1650 return 0;
1651 }
1652
1653 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1654 {
1655 u32 reg_data;
1656
1657 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1658 reg_data &= ~IXGBE_HLREG0_LPBK;
1659 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1660 }
1661
1662 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1663 unsigned int frame_size)
1664 {
1665 memset(skb->data, 0xFF, frame_size);
1666 frame_size >>= 1;
1667 memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
1668 memset(&skb->data[frame_size + 10], 0xBE, 1);
1669 memset(&skb->data[frame_size + 12], 0xAF, 1);
1670 }
1671
1672 static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
1673 unsigned int frame_size)
1674 {
1675 unsigned char *data;
1676 bool match = true;
1677
1678 frame_size >>= 1;
1679
1680 data = kmap(rx_buffer->page) + rx_buffer->page_offset;
1681
1682 if (data[3] != 0xFF ||
1683 data[frame_size + 10] != 0xBE ||
1684 data[frame_size + 12] != 0xAF)
1685 match = false;
1686
1687 kunmap(rx_buffer->page);
1688
1689 return match;
1690 }
1691
1692 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1693 struct ixgbe_ring *tx_ring,
1694 unsigned int size)
1695 {
1696 union ixgbe_adv_rx_desc *rx_desc;
1697 struct ixgbe_rx_buffer *rx_buffer;
1698 struct ixgbe_tx_buffer *tx_buffer;
1699 u16 rx_ntc, tx_ntc, count = 0;
1700
1701 /* initialize next to clean and descriptor values */
1702 rx_ntc = rx_ring->next_to_clean;
1703 tx_ntc = tx_ring->next_to_clean;
1704 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1705
1706 while (ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_DD)) {
1707 /* check Rx buffer */
1708 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
1709
1710 /* sync Rx buffer for CPU read */
1711 dma_sync_single_for_cpu(rx_ring->dev,
1712 rx_buffer->dma,
1713 ixgbe_rx_bufsz(rx_ring),
1714 DMA_FROM_DEVICE);
1715
1716 /* verify contents of skb */
1717 if (ixgbe_check_lbtest_frame(rx_buffer, size))
1718 count++;
1719
1720 /* sync Rx buffer for device write */
1721 dma_sync_single_for_device(rx_ring->dev,
1722 rx_buffer->dma,
1723 ixgbe_rx_bufsz(rx_ring),
1724 DMA_FROM_DEVICE);
1725
1726 /* unmap buffer on Tx side */
1727 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
1728 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer);
1729
1730 /* increment Rx/Tx next to clean counters */
1731 rx_ntc++;
1732 if (rx_ntc == rx_ring->count)
1733 rx_ntc = 0;
1734 tx_ntc++;
1735 if (tx_ntc == tx_ring->count)
1736 tx_ntc = 0;
1737
1738 /* fetch next descriptor */
1739 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1740 }
1741
1742 netdev_tx_reset_queue(txring_txq(tx_ring));
1743
1744 /* re-map buffers to ring, store next to clean values */
1745 ixgbe_alloc_rx_buffers(rx_ring, count);
1746 rx_ring->next_to_clean = rx_ntc;
1747 tx_ring->next_to_clean = tx_ntc;
1748
1749 return count;
1750 }
1751
1752 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1753 {
1754 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1755 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1756 int i, j, lc, good_cnt, ret_val = 0;
1757 unsigned int size = 1024;
1758 netdev_tx_t tx_ret_val;
1759 struct sk_buff *skb;
1760
1761 /* allocate test skb */
1762 skb = alloc_skb(size, GFP_KERNEL);
1763 if (!skb)
1764 return 11;
1765
1766 /* place data into test skb */
1767 ixgbe_create_lbtest_frame(skb, size);
1768 skb_put(skb, size);
1769
1770 /*
1771 * Calculate the loop count based on the largest descriptor ring
1772 * The idea is to wrap the largest ring a number of times using 64
1773 * send/receive pairs during each loop
1774 */
1775
1776 if (rx_ring->count <= tx_ring->count)
1777 lc = ((tx_ring->count / 64) * 2) + 1;
1778 else
1779 lc = ((rx_ring->count / 64) * 2) + 1;
1780
1781 for (j = 0; j <= lc; j++) {
1782 /* reset count of good packets */
1783 good_cnt = 0;
1784
1785 /* place 64 packets on the transmit queue*/
1786 for (i = 0; i < 64; i++) {
1787 skb_get(skb);
1788 tx_ret_val = ixgbe_xmit_frame_ring(skb,
1789 adapter,
1790 tx_ring);
1791 if (tx_ret_val == NETDEV_TX_OK)
1792 good_cnt++;
1793 }
1794
1795 if (good_cnt != 64) {
1796 ret_val = 12;
1797 break;
1798 }
1799
1800 /* allow 200 milliseconds for packets to go from Tx to Rx */
1801 msleep(200);
1802
1803 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
1804 if (good_cnt != 64) {
1805 ret_val = 13;
1806 break;
1807 }
1808 }
1809
1810 /* free the original skb */
1811 kfree_skb(skb);
1812
1813 return ret_val;
1814 }
1815
1816 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1817 {
1818 *data = ixgbe_setup_desc_rings(adapter);
1819 if (*data)
1820 goto out;
1821 *data = ixgbe_setup_loopback_test(adapter);
1822 if (*data)
1823 goto err_loopback;
1824 *data = ixgbe_run_loopback_test(adapter);
1825 ixgbe_loopback_cleanup(adapter);
1826
1827 err_loopback:
1828 ixgbe_free_desc_rings(adapter);
1829 out:
1830 return *data;
1831 }
1832
1833 static void ixgbe_diag_test(struct net_device *netdev,
1834 struct ethtool_test *eth_test, u64 *data)
1835 {
1836 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1837 bool if_running = netif_running(netdev);
1838
1839 set_bit(__IXGBE_TESTING, &adapter->state);
1840 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1841 /* Offline tests */
1842
1843 e_info(hw, "offline testing starting\n");
1844
1845 /* Link test performed before hardware reset so autoneg doesn't
1846 * interfere with test result */
1847 if (ixgbe_link_test(adapter, &data[4]))
1848 eth_test->flags |= ETH_TEST_FL_FAILED;
1849
1850 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1851 int i;
1852 for (i = 0; i < adapter->num_vfs; i++) {
1853 if (adapter->vfinfo[i].clear_to_send) {
1854 netdev_warn(netdev, "%s",
1855 "offline diagnostic is not "
1856 "supported when VFs are "
1857 "present\n");
1858 data[0] = 1;
1859 data[1] = 1;
1860 data[2] = 1;
1861 data[3] = 1;
1862 eth_test->flags |= ETH_TEST_FL_FAILED;
1863 clear_bit(__IXGBE_TESTING,
1864 &adapter->state);
1865 goto skip_ol_tests;
1866 }
1867 }
1868 }
1869
1870 if (if_running)
1871 /* indicate we're in test mode */
1872 dev_close(netdev);
1873 else
1874 ixgbe_reset(adapter);
1875
1876 e_info(hw, "register testing starting\n");
1877 if (ixgbe_reg_test(adapter, &data[0]))
1878 eth_test->flags |= ETH_TEST_FL_FAILED;
1879
1880 ixgbe_reset(adapter);
1881 e_info(hw, "eeprom testing starting\n");
1882 if (ixgbe_eeprom_test(adapter, &data[1]))
1883 eth_test->flags |= ETH_TEST_FL_FAILED;
1884
1885 ixgbe_reset(adapter);
1886 e_info(hw, "interrupt testing starting\n");
1887 if (ixgbe_intr_test(adapter, &data[2]))
1888 eth_test->flags |= ETH_TEST_FL_FAILED;
1889
1890 /* If SRIOV or VMDq is enabled then skip MAC
1891 * loopback diagnostic. */
1892 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1893 IXGBE_FLAG_VMDQ_ENABLED)) {
1894 e_info(hw, "Skip MAC loopback diagnostic in VT "
1895 "mode\n");
1896 data[3] = 0;
1897 goto skip_loopback;
1898 }
1899
1900 ixgbe_reset(adapter);
1901 e_info(hw, "loopback testing starting\n");
1902 if (ixgbe_loopback_test(adapter, &data[3]))
1903 eth_test->flags |= ETH_TEST_FL_FAILED;
1904
1905 skip_loopback:
1906 ixgbe_reset(adapter);
1907
1908 clear_bit(__IXGBE_TESTING, &adapter->state);
1909 if (if_running)
1910 dev_open(netdev);
1911 } else {
1912 e_info(hw, "online testing starting\n");
1913 /* Online tests */
1914 if (ixgbe_link_test(adapter, &data[4]))
1915 eth_test->flags |= ETH_TEST_FL_FAILED;
1916
1917 /* Online tests aren't run; pass by default */
1918 data[0] = 0;
1919 data[1] = 0;
1920 data[2] = 0;
1921 data[3] = 0;
1922
1923 clear_bit(__IXGBE_TESTING, &adapter->state);
1924 }
1925 skip_ol_tests:
1926 msleep_interruptible(4 * 1000);
1927 }
1928
1929 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1930 struct ethtool_wolinfo *wol)
1931 {
1932 struct ixgbe_hw *hw = &adapter->hw;
1933 int retval = 0;
1934
1935 /* WOL not supported for all devices */
1936 if (!ixgbe_wol_supported(adapter, hw->device_id,
1937 hw->subsystem_device_id)) {
1938 retval = 1;
1939 wol->supported = 0;
1940 }
1941
1942 return retval;
1943 }
1944
1945 static void ixgbe_get_wol(struct net_device *netdev,
1946 struct ethtool_wolinfo *wol)
1947 {
1948 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1949
1950 wol->supported = WAKE_UCAST | WAKE_MCAST |
1951 WAKE_BCAST | WAKE_MAGIC;
1952 wol->wolopts = 0;
1953
1954 if (ixgbe_wol_exclusion(adapter, wol) ||
1955 !device_can_wakeup(&adapter->pdev->dev))
1956 return;
1957
1958 if (adapter->wol & IXGBE_WUFC_EX)
1959 wol->wolopts |= WAKE_UCAST;
1960 if (adapter->wol & IXGBE_WUFC_MC)
1961 wol->wolopts |= WAKE_MCAST;
1962 if (adapter->wol & IXGBE_WUFC_BC)
1963 wol->wolopts |= WAKE_BCAST;
1964 if (adapter->wol & IXGBE_WUFC_MAG)
1965 wol->wolopts |= WAKE_MAGIC;
1966 }
1967
1968 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1969 {
1970 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1971
1972 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1973 return -EOPNOTSUPP;
1974
1975 if (ixgbe_wol_exclusion(adapter, wol))
1976 return wol->wolopts ? -EOPNOTSUPP : 0;
1977
1978 adapter->wol = 0;
1979
1980 if (wol->wolopts & WAKE_UCAST)
1981 adapter->wol |= IXGBE_WUFC_EX;
1982 if (wol->wolopts & WAKE_MCAST)
1983 adapter->wol |= IXGBE_WUFC_MC;
1984 if (wol->wolopts & WAKE_BCAST)
1985 adapter->wol |= IXGBE_WUFC_BC;
1986 if (wol->wolopts & WAKE_MAGIC)
1987 adapter->wol |= IXGBE_WUFC_MAG;
1988
1989 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1990
1991 return 0;
1992 }
1993
1994 static int ixgbe_nway_reset(struct net_device *netdev)
1995 {
1996 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1997
1998 if (netif_running(netdev))
1999 ixgbe_reinit_locked(adapter);
2000
2001 return 0;
2002 }
2003
2004 static int ixgbe_set_phys_id(struct net_device *netdev,
2005 enum ethtool_phys_id_state state)
2006 {
2007 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2008 struct ixgbe_hw *hw = &adapter->hw;
2009
2010 switch (state) {
2011 case ETHTOOL_ID_ACTIVE:
2012 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2013 return 2;
2014
2015 case ETHTOOL_ID_ON:
2016 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
2017 break;
2018
2019 case ETHTOOL_ID_OFF:
2020 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
2021 break;
2022
2023 case ETHTOOL_ID_INACTIVE:
2024 /* Restore LED settings */
2025 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2026 break;
2027 }
2028
2029 return 0;
2030 }
2031
2032 static int ixgbe_get_coalesce(struct net_device *netdev,
2033 struct ethtool_coalesce *ec)
2034 {
2035 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2036
2037 /* only valid if in constant ITR mode */
2038 if (adapter->rx_itr_setting <= 1)
2039 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2040 else
2041 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2042
2043 /* if in mixed tx/rx queues per vector mode, report only rx settings */
2044 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2045 return 0;
2046
2047 /* only valid if in constant ITR mode */
2048 if (adapter->tx_itr_setting <= 1)
2049 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2050 else
2051 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2052
2053 return 0;
2054 }
2055
2056 /*
2057 * this function must be called before setting the new value of
2058 * rx_itr_setting
2059 */
2060 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2061 {
2062 struct net_device *netdev = adapter->netdev;
2063
2064 /* nothing to do if LRO or RSC are not enabled */
2065 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2066 !(netdev->features & NETIF_F_LRO))
2067 return false;
2068
2069 /* check the feature flag value and enable RSC if necessary */
2070 if (adapter->rx_itr_setting == 1 ||
2071 adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2072 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2073 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2074 e_info(probe, "rx-usecs value high enough "
2075 "to re-enable RSC\n");
2076 return true;
2077 }
2078 /* if interrupt rate is too high then disable RSC */
2079 } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2080 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2081 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2082 return true;
2083 }
2084 return false;
2085 }
2086
2087 static int ixgbe_set_coalesce(struct net_device *netdev,
2088 struct ethtool_coalesce *ec)
2089 {
2090 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2091 struct ixgbe_q_vector *q_vector;
2092 int i;
2093 u16 tx_itr_param, rx_itr_param;
2094 bool need_reset = false;
2095
2096 /* don't accept tx specific changes if we've got mixed RxTx vectors */
2097 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count
2098 && ec->tx_coalesce_usecs)
2099 return -EINVAL;
2100
2101 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2102 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2103 return -EINVAL;
2104
2105 if (ec->rx_coalesce_usecs > 1)
2106 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2107 else
2108 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2109
2110 if (adapter->rx_itr_setting == 1)
2111 rx_itr_param = IXGBE_20K_ITR;
2112 else
2113 rx_itr_param = adapter->rx_itr_setting;
2114
2115 if (ec->tx_coalesce_usecs > 1)
2116 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2117 else
2118 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2119
2120 if (adapter->tx_itr_setting == 1)
2121 tx_itr_param = IXGBE_10K_ITR;
2122 else
2123 tx_itr_param = adapter->tx_itr_setting;
2124
2125 /* check the old value and enable RSC if necessary */
2126 need_reset = ixgbe_update_rsc(adapter);
2127
2128 for (i = 0; i < adapter->num_q_vectors; i++) {
2129 q_vector = adapter->q_vector[i];
2130 if (q_vector->tx.count && !q_vector->rx.count)
2131 /* tx only */
2132 q_vector->itr = tx_itr_param;
2133 else
2134 /* rx only or mixed */
2135 q_vector->itr = rx_itr_param;
2136 ixgbe_write_eitr(q_vector);
2137 }
2138
2139 /*
2140 * do reset here at the end to make sure EITR==0 case is handled
2141 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2142 * also locks in RSC enable/disable which requires reset
2143 */
2144 if (need_reset)
2145 ixgbe_do_reset(netdev);
2146
2147 return 0;
2148 }
2149
2150 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2151 struct ethtool_rxnfc *cmd)
2152 {
2153 union ixgbe_atr_input *mask = &adapter->fdir_mask;
2154 struct ethtool_rx_flow_spec *fsp =
2155 (struct ethtool_rx_flow_spec *)&cmd->fs;
2156 struct hlist_node *node, *node2;
2157 struct ixgbe_fdir_filter *rule = NULL;
2158
2159 /* report total rule count */
2160 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2161
2162 hlist_for_each_entry_safe(rule, node, node2,
2163 &adapter->fdir_filter_list, fdir_node) {
2164 if (fsp->location <= rule->sw_idx)
2165 break;
2166 }
2167
2168 if (!rule || fsp->location != rule->sw_idx)
2169 return -EINVAL;
2170
2171 /* fill out the flow spec entry */
2172
2173 /* set flow type field */
2174 switch (rule->filter.formatted.flow_type) {
2175 case IXGBE_ATR_FLOW_TYPE_TCPV4:
2176 fsp->flow_type = TCP_V4_FLOW;
2177 break;
2178 case IXGBE_ATR_FLOW_TYPE_UDPV4:
2179 fsp->flow_type = UDP_V4_FLOW;
2180 break;
2181 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2182 fsp->flow_type = SCTP_V4_FLOW;
2183 break;
2184 case IXGBE_ATR_FLOW_TYPE_IPV4:
2185 fsp->flow_type = IP_USER_FLOW;
2186 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2187 fsp->h_u.usr_ip4_spec.proto = 0;
2188 fsp->m_u.usr_ip4_spec.proto = 0;
2189 break;
2190 default:
2191 return -EINVAL;
2192 }
2193
2194 fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2195 fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2196 fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2197 fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2198 fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2199 fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2200 fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2201 fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2202 fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2203 fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2204 fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2205 fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2206 fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2207 fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2208 fsp->flow_type |= FLOW_EXT;
2209
2210 /* record action */
2211 if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2212 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2213 else
2214 fsp->ring_cookie = rule->action;
2215
2216 return 0;
2217 }
2218
2219 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2220 struct ethtool_rxnfc *cmd,
2221 u32 *rule_locs)
2222 {
2223 struct hlist_node *node, *node2;
2224 struct ixgbe_fdir_filter *rule;
2225 int cnt = 0;
2226
2227 /* report total rule count */
2228 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2229
2230 hlist_for_each_entry_safe(rule, node, node2,
2231 &adapter->fdir_filter_list, fdir_node) {
2232 if (cnt == cmd->rule_cnt)
2233 return -EMSGSIZE;
2234 rule_locs[cnt] = rule->sw_idx;
2235 cnt++;
2236 }
2237
2238 cmd->rule_cnt = cnt;
2239
2240 return 0;
2241 }
2242
2243 static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2244 struct ethtool_rxnfc *cmd)
2245 {
2246 cmd->data = 0;
2247
2248 /* Report default options for RSS on ixgbe */
2249 switch (cmd->flow_type) {
2250 case TCP_V4_FLOW:
2251 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2252 case UDP_V4_FLOW:
2253 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2254 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2255 case SCTP_V4_FLOW:
2256 case AH_ESP_V4_FLOW:
2257 case AH_V4_FLOW:
2258 case ESP_V4_FLOW:
2259 case IPV4_FLOW:
2260 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2261 break;
2262 case TCP_V6_FLOW:
2263 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2264 case UDP_V6_FLOW:
2265 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2266 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2267 case SCTP_V6_FLOW:
2268 case AH_ESP_V6_FLOW:
2269 case AH_V6_FLOW:
2270 case ESP_V6_FLOW:
2271 case IPV6_FLOW:
2272 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2273 break;
2274 default:
2275 return -EINVAL;
2276 }
2277
2278 return 0;
2279 }
2280
2281 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2282 u32 *rule_locs)
2283 {
2284 struct ixgbe_adapter *adapter = netdev_priv(dev);
2285 int ret = -EOPNOTSUPP;
2286
2287 switch (cmd->cmd) {
2288 case ETHTOOL_GRXRINGS:
2289 cmd->data = adapter->num_rx_queues;
2290 ret = 0;
2291 break;
2292 case ETHTOOL_GRXCLSRLCNT:
2293 cmd->rule_cnt = adapter->fdir_filter_count;
2294 ret = 0;
2295 break;
2296 case ETHTOOL_GRXCLSRULE:
2297 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2298 break;
2299 case ETHTOOL_GRXCLSRLALL:
2300 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2301 break;
2302 case ETHTOOL_GRXFH:
2303 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2304 break;
2305 default:
2306 break;
2307 }
2308
2309 return ret;
2310 }
2311
2312 static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2313 struct ixgbe_fdir_filter *input,
2314 u16 sw_idx)
2315 {
2316 struct ixgbe_hw *hw = &adapter->hw;
2317 struct hlist_node *node, *node2, *parent;
2318 struct ixgbe_fdir_filter *rule;
2319 int err = -EINVAL;
2320
2321 parent = NULL;
2322 rule = NULL;
2323
2324 hlist_for_each_entry_safe(rule, node, node2,
2325 &adapter->fdir_filter_list, fdir_node) {
2326 /* hash found, or no matching entry */
2327 if (rule->sw_idx >= sw_idx)
2328 break;
2329 parent = node;
2330 }
2331
2332 /* if there is an old rule occupying our place remove it */
2333 if (rule && (rule->sw_idx == sw_idx)) {
2334 if (!input || (rule->filter.formatted.bkt_hash !=
2335 input->filter.formatted.bkt_hash)) {
2336 err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2337 &rule->filter,
2338 sw_idx);
2339 }
2340
2341 hlist_del(&rule->fdir_node);
2342 kfree(rule);
2343 adapter->fdir_filter_count--;
2344 }
2345
2346 /*
2347 * If no input this was a delete, err should be 0 if a rule was
2348 * successfully found and removed from the list else -EINVAL
2349 */
2350 if (!input)
2351 return err;
2352
2353 /* initialize node and set software index */
2354 INIT_HLIST_NODE(&input->fdir_node);
2355
2356 /* add filter to the list */
2357 if (parent)
2358 hlist_add_after(parent, &input->fdir_node);
2359 else
2360 hlist_add_head(&input->fdir_node,
2361 &adapter->fdir_filter_list);
2362
2363 /* update counts */
2364 adapter->fdir_filter_count++;
2365
2366 return 0;
2367 }
2368
2369 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2370 u8 *flow_type)
2371 {
2372 switch (fsp->flow_type & ~FLOW_EXT) {
2373 case TCP_V4_FLOW:
2374 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2375 break;
2376 case UDP_V4_FLOW:
2377 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2378 break;
2379 case SCTP_V4_FLOW:
2380 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2381 break;
2382 case IP_USER_FLOW:
2383 switch (fsp->h_u.usr_ip4_spec.proto) {
2384 case IPPROTO_TCP:
2385 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2386 break;
2387 case IPPROTO_UDP:
2388 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2389 break;
2390 case IPPROTO_SCTP:
2391 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2392 break;
2393 case 0:
2394 if (!fsp->m_u.usr_ip4_spec.proto) {
2395 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2396 break;
2397 }
2398 default:
2399 return 0;
2400 }
2401 break;
2402 default:
2403 return 0;
2404 }
2405
2406 return 1;
2407 }
2408
2409 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2410 struct ethtool_rxnfc *cmd)
2411 {
2412 struct ethtool_rx_flow_spec *fsp =
2413 (struct ethtool_rx_flow_spec *)&cmd->fs;
2414 struct ixgbe_hw *hw = &adapter->hw;
2415 struct ixgbe_fdir_filter *input;
2416 union ixgbe_atr_input mask;
2417 int err;
2418
2419 if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2420 return -EOPNOTSUPP;
2421
2422 /*
2423 * Don't allow programming if the action is a queue greater than
2424 * the number of online Rx queues.
2425 */
2426 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2427 (fsp->ring_cookie >= adapter->num_rx_queues))
2428 return -EINVAL;
2429
2430 /* Don't allow indexes to exist outside of available space */
2431 if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2432 e_err(drv, "Location out of range\n");
2433 return -EINVAL;
2434 }
2435
2436 input = kzalloc(sizeof(*input), GFP_ATOMIC);
2437 if (!input)
2438 return -ENOMEM;
2439
2440 memset(&mask, 0, sizeof(union ixgbe_atr_input));
2441
2442 /* set SW index */
2443 input->sw_idx = fsp->location;
2444
2445 /* record flow type */
2446 if (!ixgbe_flowspec_to_flow_type(fsp,
2447 &input->filter.formatted.flow_type)) {
2448 e_err(drv, "Unrecognized flow type\n");
2449 goto err_out;
2450 }
2451
2452 mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2453 IXGBE_ATR_L4TYPE_MASK;
2454
2455 if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2456 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2457
2458 /* Copy input into formatted structures */
2459 input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2460 mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2461 input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2462 mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2463 input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2464 mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2465 input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2466 mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2467
2468 if (fsp->flow_type & FLOW_EXT) {
2469 input->filter.formatted.vm_pool =
2470 (unsigned char)ntohl(fsp->h_ext.data[1]);
2471 mask.formatted.vm_pool =
2472 (unsigned char)ntohl(fsp->m_ext.data[1]);
2473 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2474 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2475 input->filter.formatted.flex_bytes =
2476 fsp->h_ext.vlan_etype;
2477 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2478 }
2479
2480 /* determine if we need to drop or route the packet */
2481 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2482 input->action = IXGBE_FDIR_DROP_QUEUE;
2483 else
2484 input->action = fsp->ring_cookie;
2485
2486 spin_lock(&adapter->fdir_perfect_lock);
2487
2488 if (hlist_empty(&adapter->fdir_filter_list)) {
2489 /* save mask and program input mask into HW */
2490 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2491 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2492 if (err) {
2493 e_err(drv, "Error writing mask\n");
2494 goto err_out_w_lock;
2495 }
2496 } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2497 e_err(drv, "Only one mask supported per port\n");
2498 goto err_out_w_lock;
2499 }
2500
2501 /* apply mask and compute/store hash */
2502 ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2503
2504 /* program filters to filter memory */
2505 err = ixgbe_fdir_write_perfect_filter_82599(hw,
2506 &input->filter, input->sw_idx,
2507 (input->action == IXGBE_FDIR_DROP_QUEUE) ?
2508 IXGBE_FDIR_DROP_QUEUE :
2509 adapter->rx_ring[input->action]->reg_idx);
2510 if (err)
2511 goto err_out_w_lock;
2512
2513 ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2514
2515 spin_unlock(&adapter->fdir_perfect_lock);
2516
2517 return err;
2518 err_out_w_lock:
2519 spin_unlock(&adapter->fdir_perfect_lock);
2520 err_out:
2521 kfree(input);
2522 return -EINVAL;
2523 }
2524
2525 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2526 struct ethtool_rxnfc *cmd)
2527 {
2528 struct ethtool_rx_flow_spec *fsp =
2529 (struct ethtool_rx_flow_spec *)&cmd->fs;
2530 int err;
2531
2532 spin_lock(&adapter->fdir_perfect_lock);
2533 err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2534 spin_unlock(&adapter->fdir_perfect_lock);
2535
2536 return err;
2537 }
2538
2539 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2540 IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2541 static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2542 struct ethtool_rxnfc *nfc)
2543 {
2544 u32 flags2 = adapter->flags2;
2545
2546 /*
2547 * RSS does not support anything other than hashing
2548 * to queues on src and dst IPs and ports
2549 */
2550 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2551 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2552 return -EINVAL;
2553
2554 switch (nfc->flow_type) {
2555 case TCP_V4_FLOW:
2556 case TCP_V6_FLOW:
2557 if (!(nfc->data & RXH_IP_SRC) ||
2558 !(nfc->data & RXH_IP_DST) ||
2559 !(nfc->data & RXH_L4_B_0_1) ||
2560 !(nfc->data & RXH_L4_B_2_3))
2561 return -EINVAL;
2562 break;
2563 case UDP_V4_FLOW:
2564 if (!(nfc->data & RXH_IP_SRC) ||
2565 !(nfc->data & RXH_IP_DST))
2566 return -EINVAL;
2567 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2568 case 0:
2569 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2570 break;
2571 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2572 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2573 break;
2574 default:
2575 return -EINVAL;
2576 }
2577 break;
2578 case UDP_V6_FLOW:
2579 if (!(nfc->data & RXH_IP_SRC) ||
2580 !(nfc->data & RXH_IP_DST))
2581 return -EINVAL;
2582 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2583 case 0:
2584 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2585 break;
2586 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2587 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2588 break;
2589 default:
2590 return -EINVAL;
2591 }
2592 break;
2593 case AH_ESP_V4_FLOW:
2594 case AH_V4_FLOW:
2595 case ESP_V4_FLOW:
2596 case SCTP_V4_FLOW:
2597 case AH_ESP_V6_FLOW:
2598 case AH_V6_FLOW:
2599 case ESP_V6_FLOW:
2600 case SCTP_V6_FLOW:
2601 if (!(nfc->data & RXH_IP_SRC) ||
2602 !(nfc->data & RXH_IP_DST) ||
2603 (nfc->data & RXH_L4_B_0_1) ||
2604 (nfc->data & RXH_L4_B_2_3))
2605 return -EINVAL;
2606 break;
2607 default:
2608 return -EINVAL;
2609 }
2610
2611 /* if we changed something we need to update flags */
2612 if (flags2 != adapter->flags2) {
2613 struct ixgbe_hw *hw = &adapter->hw;
2614 u32 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2615
2616 if ((flags2 & UDP_RSS_FLAGS) &&
2617 !(adapter->flags2 & UDP_RSS_FLAGS))
2618 e_warn(drv, "enabling UDP RSS: fragmented packets"
2619 " may arrive out of order to the stack above\n");
2620
2621 adapter->flags2 = flags2;
2622
2623 /* Perform hash on these packet types */
2624 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
2625 | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
2626 | IXGBE_MRQC_RSS_FIELD_IPV6
2627 | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
2628
2629 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
2630 IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
2631
2632 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2633 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
2634
2635 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2636 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
2637
2638 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
2639 }
2640
2641 return 0;
2642 }
2643
2644 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2645 {
2646 struct ixgbe_adapter *adapter = netdev_priv(dev);
2647 int ret = -EOPNOTSUPP;
2648
2649 switch (cmd->cmd) {
2650 case ETHTOOL_SRXCLSRLINS:
2651 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2652 break;
2653 case ETHTOOL_SRXCLSRLDEL:
2654 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2655 break;
2656 case ETHTOOL_SRXFH:
2657 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
2658 break;
2659 default:
2660 break;
2661 }
2662
2663 return ret;
2664 }
2665
2666 static int ixgbe_get_ts_info(struct net_device *dev,
2667 struct ethtool_ts_info *info)
2668 {
2669 struct ixgbe_adapter *adapter = netdev_priv(dev);
2670
2671 switch (adapter->hw.mac.type) {
2672 #ifdef CONFIG_IXGBE_PTP
2673 case ixgbe_mac_X540:
2674 case ixgbe_mac_82599EB:
2675 info->so_timestamping =
2676 SOF_TIMESTAMPING_TX_HARDWARE |
2677 SOF_TIMESTAMPING_RX_HARDWARE |
2678 SOF_TIMESTAMPING_RAW_HARDWARE;
2679
2680 if (adapter->ptp_clock)
2681 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2682 else
2683 info->phc_index = -1;
2684
2685 info->tx_types =
2686 (1 << HWTSTAMP_TX_OFF) |
2687 (1 << HWTSTAMP_TX_ON);
2688
2689 info->rx_filters =
2690 (1 << HWTSTAMP_FILTER_NONE) |
2691 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2692 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2693 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
2694 break;
2695 #endif /* CONFIG_IXGBE_PTP */
2696 default:
2697 return ethtool_op_get_ts_info(dev, info);
2698 break;
2699 }
2700 return 0;
2701 }
2702
2703 static const struct ethtool_ops ixgbe_ethtool_ops = {
2704 .get_settings = ixgbe_get_settings,
2705 .set_settings = ixgbe_set_settings,
2706 .get_drvinfo = ixgbe_get_drvinfo,
2707 .get_regs_len = ixgbe_get_regs_len,
2708 .get_regs = ixgbe_get_regs,
2709 .get_wol = ixgbe_get_wol,
2710 .set_wol = ixgbe_set_wol,
2711 .nway_reset = ixgbe_nway_reset,
2712 .get_link = ethtool_op_get_link,
2713 .get_eeprom_len = ixgbe_get_eeprom_len,
2714 .get_eeprom = ixgbe_get_eeprom,
2715 .set_eeprom = ixgbe_set_eeprom,
2716 .get_ringparam = ixgbe_get_ringparam,
2717 .set_ringparam = ixgbe_set_ringparam,
2718 .get_pauseparam = ixgbe_get_pauseparam,
2719 .set_pauseparam = ixgbe_set_pauseparam,
2720 .get_msglevel = ixgbe_get_msglevel,
2721 .set_msglevel = ixgbe_set_msglevel,
2722 .self_test = ixgbe_diag_test,
2723 .get_strings = ixgbe_get_strings,
2724 .set_phys_id = ixgbe_set_phys_id,
2725 .get_sset_count = ixgbe_get_sset_count,
2726 .get_ethtool_stats = ixgbe_get_ethtool_stats,
2727 .get_coalesce = ixgbe_get_coalesce,
2728 .set_coalesce = ixgbe_set_coalesce,
2729 .get_rxnfc = ixgbe_get_rxnfc,
2730 .set_rxnfc = ixgbe_set_rxnfc,
2731 .get_ts_info = ixgbe_get_ts_info,
2732 };
2733
2734 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2735 {
2736 SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2737 }
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