xref: /openbmc/linux/drivers/net/ethernet/intel/i40e/i40e_ethtool.c (revision eb3fcf007fffe5830d815e713591f3e858f2a365)
1 /*******************************************************************************
2  *
3  * Intel Ethernet Controller XL710 Family Linux Driver
4  * Copyright(c) 2013 - 2015 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
16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
17  *
18  * The full GNU General Public License is included in this distribution in
19  * the file called "COPYING".
20  *
21  * Contact Information:
22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24  *
25  ******************************************************************************/
26 
27 /* ethtool support for i40e */
28 
29 #include "i40e.h"
30 #include "i40e_diag.h"
31 
32 struct i40e_stats {
33 	char stat_string[ETH_GSTRING_LEN];
34 	int sizeof_stat;
35 	int stat_offset;
36 };
37 
38 #define I40E_STAT(_type, _name, _stat) { \
39 	.stat_string = _name, \
40 	.sizeof_stat = FIELD_SIZEOF(_type, _stat), \
41 	.stat_offset = offsetof(_type, _stat) \
42 }
43 
44 #define I40E_NETDEV_STAT(_net_stat) \
45 		I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
46 #define I40E_PF_STAT(_name, _stat) \
47 		I40E_STAT(struct i40e_pf, _name, _stat)
48 #define I40E_VSI_STAT(_name, _stat) \
49 		I40E_STAT(struct i40e_vsi, _name, _stat)
50 #define I40E_VEB_STAT(_name, _stat) \
51 		I40E_STAT(struct i40e_veb, _name, _stat)
52 
53 static const struct i40e_stats i40e_gstrings_net_stats[] = {
54 	I40E_NETDEV_STAT(rx_packets),
55 	I40E_NETDEV_STAT(tx_packets),
56 	I40E_NETDEV_STAT(rx_bytes),
57 	I40E_NETDEV_STAT(tx_bytes),
58 	I40E_NETDEV_STAT(rx_errors),
59 	I40E_NETDEV_STAT(tx_errors),
60 	I40E_NETDEV_STAT(rx_dropped),
61 	I40E_NETDEV_STAT(tx_dropped),
62 	I40E_NETDEV_STAT(collisions),
63 	I40E_NETDEV_STAT(rx_length_errors),
64 	I40E_NETDEV_STAT(rx_crc_errors),
65 };
66 
67 static const struct i40e_stats i40e_gstrings_veb_stats[] = {
68 	I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
69 	I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
70 	I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
71 	I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
72 	I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
73 	I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
74 	I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
75 	I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
76 	I40E_VEB_STAT("rx_discards", stats.rx_discards),
77 	I40E_VEB_STAT("tx_discards", stats.tx_discards),
78 	I40E_VEB_STAT("tx_errors", stats.tx_errors),
79 	I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
80 };
81 
82 static const struct i40e_stats i40e_gstrings_misc_stats[] = {
83 	I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
84 	I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
85 	I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
86 	I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
87 	I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
88 	I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
89 	I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
90 };
91 
92 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
93 				 struct ethtool_rxnfc *cmd);
94 
95 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
96  * but they are separate.  This device supports Virtualization, and
97  * as such might have several netdevs supporting VMDq and FCoE going
98  * through a single port.  The NETDEV_STATs are for individual netdevs
99  * seen at the top of the stack, and the PF_STATs are for the physical
100  * function at the bottom of the stack hosting those netdevs.
101  *
102  * The PF_STATs are appended to the netdev stats only when ethtool -S
103  * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
104  */
105 static struct i40e_stats i40e_gstrings_stats[] = {
106 	I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
107 	I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
108 	I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
109 	I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
110 	I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
111 	I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
112 	I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
113 	I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
114 	I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
115 	I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
116 	I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
117 	I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
118 	I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
119 	I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
120 	I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
121 	I40E_PF_STAT("tx_timeout", tx_timeout_count),
122 	I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
123 	I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
124 	I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
125 	I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
126 	I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
127 	I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
128 	I40E_PF_STAT("rx_size_64", stats.rx_size_64),
129 	I40E_PF_STAT("rx_size_127", stats.rx_size_127),
130 	I40E_PF_STAT("rx_size_255", stats.rx_size_255),
131 	I40E_PF_STAT("rx_size_511", stats.rx_size_511),
132 	I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
133 	I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
134 	I40E_PF_STAT("rx_size_big", stats.rx_size_big),
135 	I40E_PF_STAT("tx_size_64", stats.tx_size_64),
136 	I40E_PF_STAT("tx_size_127", stats.tx_size_127),
137 	I40E_PF_STAT("tx_size_255", stats.tx_size_255),
138 	I40E_PF_STAT("tx_size_511", stats.tx_size_511),
139 	I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
140 	I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
141 	I40E_PF_STAT("tx_size_big", stats.tx_size_big),
142 	I40E_PF_STAT("rx_undersize", stats.rx_undersize),
143 	I40E_PF_STAT("rx_fragments", stats.rx_fragments),
144 	I40E_PF_STAT("rx_oversize", stats.rx_oversize),
145 	I40E_PF_STAT("rx_jabber", stats.rx_jabber),
146 	I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
147 	I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
148 	I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
149 	I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
150 	I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
151 	I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
152 	I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
153 	I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
154 
155 	/* LPI stats */
156 	I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
157 	I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
158 	I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
159 	I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
160 };
161 
162 #ifdef I40E_FCOE
163 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
164 	I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
165 	I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
166 	I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
167 	I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
168 	I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
169 	I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
170 	I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
171 	I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
172 };
173 
174 #endif /* I40E_FCOE */
175 #define I40E_QUEUE_STATS_LEN(n) \
176 	(((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
177 	    * 2 /* Tx and Rx together */                                     \
178 	    * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
179 #define I40E_GLOBAL_STATS_LEN	ARRAY_SIZE(i40e_gstrings_stats)
180 #define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
181 #define I40E_MISC_STATS_LEN	ARRAY_SIZE(i40e_gstrings_misc_stats)
182 #ifdef I40E_FCOE
183 #define I40E_FCOE_STATS_LEN	ARRAY_SIZE(i40e_gstrings_fcoe_stats)
184 #define I40E_VSI_STATS_LEN(n)	(I40E_NETDEV_STATS_LEN + \
185 				 I40E_FCOE_STATS_LEN + \
186 				 I40E_MISC_STATS_LEN + \
187 				 I40E_QUEUE_STATS_LEN((n)))
188 #else
189 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
190 				 I40E_MISC_STATS_LEN + \
191 				 I40E_QUEUE_STATS_LEN((n)))
192 #endif /* I40E_FCOE */
193 #define I40E_PFC_STATS_LEN ( \
194 		(FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
195 		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
196 		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
197 		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
198 		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
199 		 / sizeof(u64))
200 #define I40E_VEB_TC_STATS_LEN ( \
201 		(FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
202 		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
203 		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
204 		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
205 		 / sizeof(u64))
206 #define I40E_VEB_STATS_LEN	ARRAY_SIZE(i40e_gstrings_veb_stats)
207 #define I40E_VEB_STATS_TOTAL	(I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
208 #define I40E_PF_STATS_LEN(n)	(I40E_GLOBAL_STATS_LEN + \
209 				 I40E_PFC_STATS_LEN + \
210 				 I40E_VSI_STATS_LEN((n)))
211 
212 enum i40e_ethtool_test_id {
213 	I40E_ETH_TEST_REG = 0,
214 	I40E_ETH_TEST_EEPROM,
215 	I40E_ETH_TEST_INTR,
216 	I40E_ETH_TEST_LOOPBACK,
217 	I40E_ETH_TEST_LINK,
218 };
219 
220 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
221 	"Register test  (offline)",
222 	"Eeprom test    (offline)",
223 	"Interrupt test (offline)",
224 	"Loopback test  (offline)",
225 	"Link test   (on/offline)"
226 };
227 
228 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
229 
230 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
231 	"NPAR",
232 };
233 
234 #define I40E_PRIV_FLAGS_STR_LEN \
235 	(sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN)
236 
237 /**
238  * i40e_partition_setting_complaint - generic complaint for MFP restriction
239  * @pf: the PF struct
240  **/
241 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
242 {
243 	dev_info(&pf->pdev->dev,
244 		 "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
245 }
246 
247 /**
248  * i40e_get_settings_link_up - Get the Link settings for when link is up
249  * @hw: hw structure
250  * @ecmd: ethtool command to fill in
251  * @netdev: network interface device structure
252  *
253  **/
254 static void i40e_get_settings_link_up(struct i40e_hw *hw,
255 				      struct ethtool_cmd *ecmd,
256 				      struct net_device *netdev)
257 {
258 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
259 	u32 link_speed = hw_link_info->link_speed;
260 
261 	/* Initialize supported and advertised settings based on phy settings */
262 	switch (hw_link_info->phy_type) {
263 	case I40E_PHY_TYPE_40GBASE_CR4:
264 	case I40E_PHY_TYPE_40GBASE_CR4_CU:
265 		ecmd->supported = SUPPORTED_Autoneg |
266 				  SUPPORTED_40000baseCR4_Full;
267 		ecmd->advertising = ADVERTISED_Autoneg |
268 				    ADVERTISED_40000baseCR4_Full;
269 		break;
270 	case I40E_PHY_TYPE_XLAUI:
271 	case I40E_PHY_TYPE_XLPPI:
272 	case I40E_PHY_TYPE_40GBASE_AOC:
273 		ecmd->supported = SUPPORTED_40000baseCR4_Full;
274 		break;
275 	case I40E_PHY_TYPE_40GBASE_KR4:
276 		ecmd->supported = SUPPORTED_Autoneg |
277 				  SUPPORTED_40000baseKR4_Full;
278 		ecmd->advertising = ADVERTISED_Autoneg |
279 				    ADVERTISED_40000baseKR4_Full;
280 		break;
281 	case I40E_PHY_TYPE_40GBASE_SR4:
282 		ecmd->supported = SUPPORTED_40000baseSR4_Full;
283 		break;
284 	case I40E_PHY_TYPE_40GBASE_LR4:
285 		ecmd->supported = SUPPORTED_40000baseLR4_Full;
286 		break;
287 	case I40E_PHY_TYPE_20GBASE_KR2:
288 		ecmd->supported = SUPPORTED_Autoneg |
289 				  SUPPORTED_20000baseKR2_Full;
290 		ecmd->advertising = ADVERTISED_Autoneg |
291 				    ADVERTISED_20000baseKR2_Full;
292 		break;
293 	case I40E_PHY_TYPE_10GBASE_KX4:
294 		ecmd->supported = SUPPORTED_Autoneg |
295 				  SUPPORTED_10000baseKX4_Full;
296 		ecmd->advertising = ADVERTISED_Autoneg |
297 				    ADVERTISED_10000baseKX4_Full;
298 		break;
299 	case I40E_PHY_TYPE_10GBASE_KR:
300 		ecmd->supported = SUPPORTED_Autoneg |
301 				  SUPPORTED_10000baseKR_Full;
302 		ecmd->advertising = ADVERTISED_Autoneg |
303 				    ADVERTISED_10000baseKR_Full;
304 		break;
305 	case I40E_PHY_TYPE_10GBASE_SR:
306 	case I40E_PHY_TYPE_10GBASE_LR:
307 	case I40E_PHY_TYPE_1000BASE_SX:
308 	case I40E_PHY_TYPE_1000BASE_LX:
309 		ecmd->supported = SUPPORTED_10000baseT_Full |
310 				  SUPPORTED_1000baseT_Full;
311 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
312 			ecmd->advertising |= ADVERTISED_10000baseT_Full;
313 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
314 			ecmd->advertising |= ADVERTISED_1000baseT_Full;
315 		break;
316 	case I40E_PHY_TYPE_1000BASE_KX:
317 		ecmd->supported = SUPPORTED_Autoneg |
318 				  SUPPORTED_1000baseKX_Full;
319 		ecmd->advertising = ADVERTISED_Autoneg |
320 				    ADVERTISED_1000baseKX_Full;
321 		break;
322 	case I40E_PHY_TYPE_10GBASE_T:
323 	case I40E_PHY_TYPE_1000BASE_T:
324 	case I40E_PHY_TYPE_100BASE_TX:
325 		ecmd->supported = SUPPORTED_Autoneg |
326 				  SUPPORTED_10000baseT_Full |
327 				  SUPPORTED_1000baseT_Full |
328 				  SUPPORTED_100baseT_Full;
329 		ecmd->advertising = ADVERTISED_Autoneg;
330 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
331 			ecmd->advertising |= ADVERTISED_10000baseT_Full;
332 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
333 			ecmd->advertising |= ADVERTISED_1000baseT_Full;
334 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
335 			ecmd->advertising |= ADVERTISED_100baseT_Full;
336 		break;
337 	case I40E_PHY_TYPE_10GBASE_CR1_CU:
338 	case I40E_PHY_TYPE_10GBASE_CR1:
339 		ecmd->supported = SUPPORTED_Autoneg |
340 				  SUPPORTED_10000baseT_Full;
341 		ecmd->advertising = ADVERTISED_Autoneg |
342 				    ADVERTISED_10000baseT_Full;
343 		break;
344 	case I40E_PHY_TYPE_XAUI:
345 	case I40E_PHY_TYPE_XFI:
346 	case I40E_PHY_TYPE_SFI:
347 	case I40E_PHY_TYPE_10GBASE_SFPP_CU:
348 	case I40E_PHY_TYPE_10GBASE_AOC:
349 		ecmd->supported = SUPPORTED_10000baseT_Full;
350 		break;
351 	case I40E_PHY_TYPE_SGMII:
352 		ecmd->supported = SUPPORTED_Autoneg |
353 				  SUPPORTED_1000baseT_Full |
354 				  SUPPORTED_100baseT_Full;
355 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
356 			ecmd->advertising |= ADVERTISED_1000baseT_Full;
357 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
358 			ecmd->advertising |= ADVERTISED_100baseT_Full;
359 		break;
360 	default:
361 		/* if we got here and link is up something bad is afoot */
362 		netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
363 			    hw_link_info->phy_type);
364 	}
365 
366 	/* Set speed and duplex */
367 	switch (link_speed) {
368 	case I40E_LINK_SPEED_40GB:
369 		ethtool_cmd_speed_set(ecmd, SPEED_40000);
370 		break;
371 	case I40E_LINK_SPEED_20GB:
372 		ethtool_cmd_speed_set(ecmd, SPEED_20000);
373 		break;
374 	case I40E_LINK_SPEED_10GB:
375 		ethtool_cmd_speed_set(ecmd, SPEED_10000);
376 		break;
377 	case I40E_LINK_SPEED_1GB:
378 		ethtool_cmd_speed_set(ecmd, SPEED_1000);
379 		break;
380 	case I40E_LINK_SPEED_100MB:
381 		ethtool_cmd_speed_set(ecmd, SPEED_100);
382 		break;
383 	default:
384 		break;
385 	}
386 	ecmd->duplex = DUPLEX_FULL;
387 }
388 
389 /**
390  * i40e_get_settings_link_down - Get the Link settings for when link is down
391  * @hw: hw structure
392  * @ecmd: ethtool command to fill in
393  *
394  * Reports link settings that can be determined when link is down
395  **/
396 static void i40e_get_settings_link_down(struct i40e_hw *hw,
397 					struct ethtool_cmd *ecmd)
398 {
399 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
400 
401 	/* link is down and the driver needs to fall back on
402 	 * device ID to determine what kinds of info to display,
403 	 * it's mostly a guess that may change when link is up
404 	 */
405 	switch (hw->device_id) {
406 	case I40E_DEV_ID_QSFP_A:
407 	case I40E_DEV_ID_QSFP_B:
408 	case I40E_DEV_ID_QSFP_C:
409 		/* pluggable QSFP */
410 		ecmd->supported = SUPPORTED_40000baseSR4_Full |
411 				  SUPPORTED_40000baseCR4_Full |
412 				  SUPPORTED_40000baseLR4_Full;
413 		ecmd->advertising = ADVERTISED_40000baseSR4_Full |
414 				    ADVERTISED_40000baseCR4_Full |
415 				    ADVERTISED_40000baseLR4_Full;
416 		break;
417 	case I40E_DEV_ID_KX_B:
418 		/* backplane 40G */
419 		ecmd->supported = SUPPORTED_40000baseKR4_Full;
420 		ecmd->advertising = ADVERTISED_40000baseKR4_Full;
421 		break;
422 	case I40E_DEV_ID_KX_C:
423 		/* backplane 10G */
424 		ecmd->supported = SUPPORTED_10000baseKR_Full;
425 		ecmd->advertising = ADVERTISED_10000baseKR_Full;
426 		break;
427 	case I40E_DEV_ID_10G_BASE_T:
428 		ecmd->supported = SUPPORTED_10000baseT_Full |
429 				  SUPPORTED_1000baseT_Full |
430 				  SUPPORTED_100baseT_Full;
431 		/* Figure out what has been requested */
432 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
433 			ecmd->advertising |= ADVERTISED_10000baseT_Full;
434 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
435 			ecmd->advertising |= ADVERTISED_1000baseT_Full;
436 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
437 			ecmd->advertising |= ADVERTISED_100baseT_Full;
438 		break;
439 	case I40E_DEV_ID_20G_KR2:
440 		/* backplane 20G */
441 		ecmd->supported = SUPPORTED_20000baseKR2_Full;
442 		ecmd->advertising = ADVERTISED_20000baseKR2_Full;
443 		break;
444 	default:
445 		/* all the rest are 10G/1G */
446 		ecmd->supported = SUPPORTED_10000baseT_Full |
447 				  SUPPORTED_1000baseT_Full;
448 		/* Figure out what has been requested */
449 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
450 			ecmd->advertising |= ADVERTISED_10000baseT_Full;
451 		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
452 			ecmd->advertising |= ADVERTISED_1000baseT_Full;
453 		break;
454 	}
455 
456 	/* With no link speed and duplex are unknown */
457 	ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
458 	ecmd->duplex = DUPLEX_UNKNOWN;
459 }
460 
461 /**
462  * i40e_get_settings - Get Link Speed and Duplex settings
463  * @netdev: network interface device structure
464  * @ecmd: ethtool command
465  *
466  * Reports speed/duplex settings based on media_type
467  **/
468 static int i40e_get_settings(struct net_device *netdev,
469 			     struct ethtool_cmd *ecmd)
470 {
471 	struct i40e_netdev_priv *np = netdev_priv(netdev);
472 	struct i40e_pf *pf = np->vsi->back;
473 	struct i40e_hw *hw = &pf->hw;
474 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
475 	bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
476 
477 	if (link_up)
478 		i40e_get_settings_link_up(hw, ecmd, netdev);
479 	else
480 		i40e_get_settings_link_down(hw, ecmd);
481 
482 	/* Now set the settings that don't rely on link being up/down */
483 
484 	/* Set autoneg settings */
485 	ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
486 			  AUTONEG_ENABLE : AUTONEG_DISABLE);
487 
488 	switch (hw->phy.media_type) {
489 	case I40E_MEDIA_TYPE_BACKPLANE:
490 		ecmd->supported |= SUPPORTED_Autoneg |
491 				   SUPPORTED_Backplane;
492 		ecmd->advertising |= ADVERTISED_Autoneg |
493 				     ADVERTISED_Backplane;
494 		ecmd->port = PORT_NONE;
495 		break;
496 	case I40E_MEDIA_TYPE_BASET:
497 		ecmd->supported |= SUPPORTED_TP;
498 		ecmd->advertising |= ADVERTISED_TP;
499 		ecmd->port = PORT_TP;
500 		break;
501 	case I40E_MEDIA_TYPE_DA:
502 	case I40E_MEDIA_TYPE_CX4:
503 		ecmd->supported |= SUPPORTED_FIBRE;
504 		ecmd->advertising |= ADVERTISED_FIBRE;
505 		ecmd->port = PORT_DA;
506 		break;
507 	case I40E_MEDIA_TYPE_FIBER:
508 		ecmd->supported |= SUPPORTED_FIBRE;
509 		ecmd->port = PORT_FIBRE;
510 		break;
511 	case I40E_MEDIA_TYPE_UNKNOWN:
512 	default:
513 		ecmd->port = PORT_OTHER;
514 		break;
515 	}
516 
517 	/* Set transceiver */
518 	ecmd->transceiver = XCVR_EXTERNAL;
519 
520 	/* Set flow control settings */
521 	ecmd->supported |= SUPPORTED_Pause;
522 
523 	switch (hw->fc.requested_mode) {
524 	case I40E_FC_FULL:
525 		ecmd->advertising |= ADVERTISED_Pause;
526 		break;
527 	case I40E_FC_TX_PAUSE:
528 		ecmd->advertising |= ADVERTISED_Asym_Pause;
529 		break;
530 	case I40E_FC_RX_PAUSE:
531 		ecmd->advertising |= (ADVERTISED_Pause |
532 				      ADVERTISED_Asym_Pause);
533 		break;
534 	default:
535 		ecmd->advertising &= ~(ADVERTISED_Pause |
536 				       ADVERTISED_Asym_Pause);
537 		break;
538 	}
539 
540 	return 0;
541 }
542 
543 /**
544  * i40e_set_settings - Set Speed and Duplex
545  * @netdev: network interface device structure
546  * @ecmd: ethtool command
547  *
548  * Set speed/duplex per media_types advertised/forced
549  **/
550 static int i40e_set_settings(struct net_device *netdev,
551 			     struct ethtool_cmd *ecmd)
552 {
553 	struct i40e_netdev_priv *np = netdev_priv(netdev);
554 	struct i40e_aq_get_phy_abilities_resp abilities;
555 	struct i40e_aq_set_phy_config config;
556 	struct i40e_pf *pf = np->vsi->back;
557 	struct i40e_vsi *vsi = np->vsi;
558 	struct i40e_hw *hw = &pf->hw;
559 	struct ethtool_cmd safe_ecmd;
560 	i40e_status status = 0;
561 	bool change = false;
562 	int err = 0;
563 	u8 autoneg;
564 	u32 advertise;
565 
566 	/* Changing port settings is not supported if this isn't the
567 	 * port's controlling PF
568 	 */
569 	if (hw->partition_id != 1) {
570 		i40e_partition_setting_complaint(pf);
571 		return -EOPNOTSUPP;
572 	}
573 
574 	if (vsi != pf->vsi[pf->lan_vsi])
575 		return -EOPNOTSUPP;
576 
577 	if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
578 	    hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
579 	    hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
580 	    hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
581 		return -EOPNOTSUPP;
582 
583 	/* get our own copy of the bits to check against */
584 	memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
585 	i40e_get_settings(netdev, &safe_ecmd);
586 
587 	/* save autoneg and speed out of ecmd */
588 	autoneg = ecmd->autoneg;
589 	advertise = ecmd->advertising;
590 
591 	/* set autoneg and speed back to what they currently are */
592 	ecmd->autoneg = safe_ecmd.autoneg;
593 	ecmd->advertising = safe_ecmd.advertising;
594 
595 	ecmd->cmd = safe_ecmd.cmd;
596 	/* If ecmd and safe_ecmd are not the same now, then they are
597 	 * trying to set something that we do not support
598 	 */
599 	if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
600 		return -EOPNOTSUPP;
601 
602 	while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
603 		usleep_range(1000, 2000);
604 
605 	/* Get the current phy config */
606 	status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
607 					      NULL);
608 	if (status)
609 		return -EAGAIN;
610 
611 	/* Copy abilities to config in case autoneg is not
612 	 * set below
613 	 */
614 	memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
615 	config.abilities = abilities.abilities;
616 
617 	/* Check autoneg */
618 	if (autoneg == AUTONEG_ENABLE) {
619 		/* If autoneg is not supported, return error */
620 		if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
621 			netdev_info(netdev, "Autoneg not supported on this phy\n");
622 			return -EINVAL;
623 		}
624 		/* If autoneg was not already enabled */
625 		if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
626 			config.abilities = abilities.abilities |
627 					   I40E_AQ_PHY_ENABLE_AN;
628 			change = true;
629 		}
630 	} else {
631 		/* If autoneg is supported 10GBASE_T is the only phy that
632 		 * can disable it, so otherwise return error
633 		 */
634 		if (safe_ecmd.supported & SUPPORTED_Autoneg &&
635 		    hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
636 			netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
637 			return -EINVAL;
638 		}
639 		/* If autoneg is currently enabled */
640 		if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
641 			config.abilities = abilities.abilities &
642 					   ~I40E_AQ_PHY_ENABLE_AN;
643 			change = true;
644 		}
645 	}
646 
647 	if (advertise & ~safe_ecmd.supported)
648 		return -EINVAL;
649 
650 	if (advertise & ADVERTISED_100baseT_Full)
651 		config.link_speed |= I40E_LINK_SPEED_100MB;
652 	if (advertise & ADVERTISED_1000baseT_Full ||
653 	    advertise & ADVERTISED_1000baseKX_Full)
654 		config.link_speed |= I40E_LINK_SPEED_1GB;
655 	if (advertise & ADVERTISED_10000baseT_Full ||
656 	    advertise & ADVERTISED_10000baseKX4_Full ||
657 	    advertise & ADVERTISED_10000baseKR_Full)
658 		config.link_speed |= I40E_LINK_SPEED_10GB;
659 	if (advertise & ADVERTISED_20000baseKR2_Full)
660 		config.link_speed |= I40E_LINK_SPEED_20GB;
661 	if (advertise & ADVERTISED_40000baseKR4_Full ||
662 	    advertise & ADVERTISED_40000baseCR4_Full ||
663 	    advertise & ADVERTISED_40000baseSR4_Full ||
664 	    advertise & ADVERTISED_40000baseLR4_Full)
665 		config.link_speed |= I40E_LINK_SPEED_40GB;
666 
667 	if (change || (abilities.link_speed != config.link_speed)) {
668 		/* copy over the rest of the abilities */
669 		config.phy_type = abilities.phy_type;
670 		config.eee_capability = abilities.eee_capability;
671 		config.eeer = abilities.eeer_val;
672 		config.low_power_ctrl = abilities.d3_lpan;
673 
674 		/* save the requested speeds */
675 		hw->phy.link_info.requested_speeds = config.link_speed;
676 		/* set link and auto negotiation so changes take effect */
677 		config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
678 		/* If link is up put link down */
679 		if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
680 			/* Tell the OS link is going down, the link will go
681 			 * back up when fw says it is ready asynchronously
682 			 */
683 			netdev_info(netdev, "PHY settings change requested, NIC Link is going down.\n");
684 			netif_carrier_off(netdev);
685 			netif_tx_stop_all_queues(netdev);
686 		}
687 
688 		/* make the aq call */
689 		status = i40e_aq_set_phy_config(hw, &config, NULL);
690 		if (status) {
691 			netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
692 				    i40e_stat_str(hw, status),
693 				    i40e_aq_str(hw, hw->aq.asq_last_status));
694 			return -EAGAIN;
695 		}
696 
697 		status = i40e_aq_get_link_info(hw, true, NULL, NULL);
698 		if (status)
699 			netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n",
700 				    i40e_stat_str(hw, status),
701 				    i40e_aq_str(hw, hw->aq.asq_last_status));
702 
703 	} else {
704 		netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
705 	}
706 
707 	return err;
708 }
709 
710 static int i40e_nway_reset(struct net_device *netdev)
711 {
712 	/* restart autonegotiation */
713 	struct i40e_netdev_priv *np = netdev_priv(netdev);
714 	struct i40e_pf *pf = np->vsi->back;
715 	struct i40e_hw *hw = &pf->hw;
716 	bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
717 	i40e_status ret = 0;
718 
719 	ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
720 	if (ret) {
721 		netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
722 			    i40e_stat_str(hw, ret),
723 			    i40e_aq_str(hw, hw->aq.asq_last_status));
724 		return -EIO;
725 	}
726 
727 	return 0;
728 }
729 
730 /**
731  * i40e_get_pauseparam -  Get Flow Control status
732  * Return tx/rx-pause status
733  **/
734 static void i40e_get_pauseparam(struct net_device *netdev,
735 				struct ethtool_pauseparam *pause)
736 {
737 	struct i40e_netdev_priv *np = netdev_priv(netdev);
738 	struct i40e_pf *pf = np->vsi->back;
739 	struct i40e_hw *hw = &pf->hw;
740 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
741 	struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
742 
743 	pause->autoneg =
744 		((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
745 		  AUTONEG_ENABLE : AUTONEG_DISABLE);
746 
747 	/* PFC enabled so report LFC as off */
748 	if (dcbx_cfg->pfc.pfcenable) {
749 		pause->rx_pause = 0;
750 		pause->tx_pause = 0;
751 		return;
752 	}
753 
754 	if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
755 		pause->rx_pause = 1;
756 	} else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
757 		pause->tx_pause = 1;
758 	} else if (hw->fc.current_mode == I40E_FC_FULL) {
759 		pause->rx_pause = 1;
760 		pause->tx_pause = 1;
761 	}
762 }
763 
764 /**
765  * i40e_set_pauseparam - Set Flow Control parameter
766  * @netdev: network interface device structure
767  * @pause: return tx/rx flow control status
768  **/
769 static int i40e_set_pauseparam(struct net_device *netdev,
770 			       struct ethtool_pauseparam *pause)
771 {
772 	struct i40e_netdev_priv *np = netdev_priv(netdev);
773 	struct i40e_pf *pf = np->vsi->back;
774 	struct i40e_vsi *vsi = np->vsi;
775 	struct i40e_hw *hw = &pf->hw;
776 	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
777 	struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
778 	bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
779 	i40e_status status;
780 	u8 aq_failures;
781 	int err = 0;
782 
783 	/* Changing the port's flow control is not supported if this isn't the
784 	 * port's controlling PF
785 	 */
786 	if (hw->partition_id != 1) {
787 		i40e_partition_setting_complaint(pf);
788 		return -EOPNOTSUPP;
789 	}
790 
791 	if (vsi != pf->vsi[pf->lan_vsi])
792 		return -EOPNOTSUPP;
793 
794 	if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
795 	    AUTONEG_ENABLE : AUTONEG_DISABLE)) {
796 		netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
797 		return -EOPNOTSUPP;
798 	}
799 
800 	/* If we have link and don't have autoneg */
801 	if (!test_bit(__I40E_DOWN, &pf->state) &&
802 	    !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
803 		/* Send message that it might not necessarily work*/
804 		netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
805 	}
806 
807 	if (dcbx_cfg->pfc.pfcenable) {
808 		netdev_info(netdev,
809 			    "Priority flow control enabled. Cannot set link flow control.\n");
810 		return -EOPNOTSUPP;
811 	}
812 
813 	if (pause->rx_pause && pause->tx_pause)
814 		hw->fc.requested_mode = I40E_FC_FULL;
815 	else if (pause->rx_pause && !pause->tx_pause)
816 		hw->fc.requested_mode = I40E_FC_RX_PAUSE;
817 	else if (!pause->rx_pause && pause->tx_pause)
818 		hw->fc.requested_mode = I40E_FC_TX_PAUSE;
819 	else if (!pause->rx_pause && !pause->tx_pause)
820 		hw->fc.requested_mode = I40E_FC_NONE;
821 	else
822 		 return -EINVAL;
823 
824 	/* Tell the OS link is going down, the link will go back up when fw
825 	 * says it is ready asynchronously
826 	 */
827 	netdev_info(netdev, "Flow control settings change requested, NIC Link is going down.\n");
828 	netif_carrier_off(netdev);
829 	netif_tx_stop_all_queues(netdev);
830 
831 	/* Set the fc mode and only restart an if link is up*/
832 	status = i40e_set_fc(hw, &aq_failures, link_up);
833 
834 	if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
835 		netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
836 			    i40e_stat_str(hw, status),
837 			    i40e_aq_str(hw, hw->aq.asq_last_status));
838 		err = -EAGAIN;
839 	}
840 	if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
841 		netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
842 			    i40e_stat_str(hw, status),
843 			    i40e_aq_str(hw, hw->aq.asq_last_status));
844 		err = -EAGAIN;
845 	}
846 	if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
847 		netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
848 			    i40e_stat_str(hw, status),
849 			    i40e_aq_str(hw, hw->aq.asq_last_status));
850 		err = -EAGAIN;
851 	}
852 
853 	if (!test_bit(__I40E_DOWN, &pf->state)) {
854 		/* Give it a little more time to try to come back */
855 		msleep(75);
856 		if (!test_bit(__I40E_DOWN, &pf->state))
857 			return i40e_nway_reset(netdev);
858 	}
859 
860 	return err;
861 }
862 
863 static u32 i40e_get_msglevel(struct net_device *netdev)
864 {
865 	struct i40e_netdev_priv *np = netdev_priv(netdev);
866 	struct i40e_pf *pf = np->vsi->back;
867 
868 	return pf->msg_enable;
869 }
870 
871 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
872 {
873 	struct i40e_netdev_priv *np = netdev_priv(netdev);
874 	struct i40e_pf *pf = np->vsi->back;
875 
876 	if (I40E_DEBUG_USER & data)
877 		pf->hw.debug_mask = data;
878 	pf->msg_enable = data;
879 }
880 
881 static int i40e_get_regs_len(struct net_device *netdev)
882 {
883 	int reg_count = 0;
884 	int i;
885 
886 	for (i = 0; i40e_reg_list[i].offset != 0; i++)
887 		reg_count += i40e_reg_list[i].elements;
888 
889 	return reg_count * sizeof(u32);
890 }
891 
892 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
893 			  void *p)
894 {
895 	struct i40e_netdev_priv *np = netdev_priv(netdev);
896 	struct i40e_pf *pf = np->vsi->back;
897 	struct i40e_hw *hw = &pf->hw;
898 	u32 *reg_buf = p;
899 	int i, j, ri;
900 	u32 reg;
901 
902 	/* Tell ethtool which driver-version-specific regs output we have.
903 	 *
904 	 * At some point, if we have ethtool doing special formatting of
905 	 * this data, it will rely on this version number to know how to
906 	 * interpret things.  Hence, this needs to be updated if/when the
907 	 * diags register table is changed.
908 	 */
909 	regs->version = 1;
910 
911 	/* loop through the diags reg table for what to print */
912 	ri = 0;
913 	for (i = 0; i40e_reg_list[i].offset != 0; i++) {
914 		for (j = 0; j < i40e_reg_list[i].elements; j++) {
915 			reg = i40e_reg_list[i].offset
916 				+ (j * i40e_reg_list[i].stride);
917 			reg_buf[ri++] = rd32(hw, reg);
918 		}
919 	}
920 
921 }
922 
923 static int i40e_get_eeprom(struct net_device *netdev,
924 			   struct ethtool_eeprom *eeprom, u8 *bytes)
925 {
926 	struct i40e_netdev_priv *np = netdev_priv(netdev);
927 	struct i40e_hw *hw = &np->vsi->back->hw;
928 	struct i40e_pf *pf = np->vsi->back;
929 	int ret_val = 0, len, offset;
930 	u8 *eeprom_buff;
931 	u16 i, sectors;
932 	bool last;
933 	u32 magic;
934 
935 #define I40E_NVM_SECTOR_SIZE  4096
936 	if (eeprom->len == 0)
937 		return -EINVAL;
938 
939 	/* check for NVMUpdate access method */
940 	magic = hw->vendor_id | (hw->device_id << 16);
941 	if (eeprom->magic && eeprom->magic != magic) {
942 		struct i40e_nvm_access *cmd;
943 		int errno;
944 
945 		/* make sure it is the right magic for NVMUpdate */
946 		if ((eeprom->magic >> 16) != hw->device_id)
947 			return -EINVAL;
948 
949 		cmd = (struct i40e_nvm_access *)eeprom;
950 		ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
951 		if (ret_val &&
952 		    ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
953 		     (hw->debug_mask & I40E_DEBUG_NVM)))
954 			dev_info(&pf->pdev->dev,
955 				 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
956 				 ret_val, hw->aq.asq_last_status, errno,
957 				 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
958 				 cmd->offset, cmd->data_size);
959 
960 		return errno;
961 	}
962 
963 	/* normal ethtool get_eeprom support */
964 	eeprom->magic = hw->vendor_id | (hw->device_id << 16);
965 
966 	eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
967 	if (!eeprom_buff)
968 		return -ENOMEM;
969 
970 	ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
971 	if (ret_val) {
972 		dev_info(&pf->pdev->dev,
973 			 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
974 			 ret_val, hw->aq.asq_last_status);
975 		goto free_buff;
976 	}
977 
978 	sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
979 	sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
980 	len = I40E_NVM_SECTOR_SIZE;
981 	last = false;
982 	for (i = 0; i < sectors; i++) {
983 		if (i == (sectors - 1)) {
984 			len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
985 			last = true;
986 		}
987 		offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
988 		ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
989 				(u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
990 				last, NULL);
991 		if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
992 			dev_info(&pf->pdev->dev,
993 				 "read NVM failed, invalid offset 0x%x\n",
994 				 offset);
995 			break;
996 		} else if (ret_val &&
997 			   hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
998 			dev_info(&pf->pdev->dev,
999 				 "read NVM failed, access, offset 0x%x\n",
1000 				 offset);
1001 			break;
1002 		} else if (ret_val) {
1003 			dev_info(&pf->pdev->dev,
1004 				 "read NVM failed offset %d err=%d status=0x%x\n",
1005 				 offset, ret_val, hw->aq.asq_last_status);
1006 			break;
1007 		}
1008 	}
1009 
1010 	i40e_release_nvm(hw);
1011 	memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1012 free_buff:
1013 	kfree(eeprom_buff);
1014 	return ret_val;
1015 }
1016 
1017 static int i40e_get_eeprom_len(struct net_device *netdev)
1018 {
1019 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1020 	struct i40e_hw *hw = &np->vsi->back->hw;
1021 	u32 val;
1022 
1023 	val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1024 		& I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1025 		>> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1026 	/* register returns value in power of 2, 64Kbyte chunks. */
1027 	val = (64 * 1024) * BIT(val);
1028 	return val;
1029 }
1030 
1031 static int i40e_set_eeprom(struct net_device *netdev,
1032 			   struct ethtool_eeprom *eeprom, u8 *bytes)
1033 {
1034 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1035 	struct i40e_hw *hw = &np->vsi->back->hw;
1036 	struct i40e_pf *pf = np->vsi->back;
1037 	struct i40e_nvm_access *cmd;
1038 	int ret_val = 0;
1039 	int errno;
1040 	u32 magic;
1041 
1042 	/* normal ethtool set_eeprom is not supported */
1043 	magic = hw->vendor_id | (hw->device_id << 16);
1044 	if (eeprom->magic == magic)
1045 		return -EOPNOTSUPP;
1046 
1047 	/* check for NVMUpdate access method */
1048 	if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1049 		return -EINVAL;
1050 
1051 	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1052 	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1053 		return -EBUSY;
1054 
1055 	cmd = (struct i40e_nvm_access *)eeprom;
1056 	ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1057 	if (ret_val &&
1058 	    ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
1059 	      hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
1060 	     (hw->debug_mask & I40E_DEBUG_NVM)))
1061 		dev_info(&pf->pdev->dev,
1062 			 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1063 			 ret_val, hw->aq.asq_last_status, errno,
1064 			 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1065 			 cmd->offset, cmd->data_size);
1066 
1067 	return errno;
1068 }
1069 
1070 static void i40e_get_drvinfo(struct net_device *netdev,
1071 			     struct ethtool_drvinfo *drvinfo)
1072 {
1073 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1074 	struct i40e_vsi *vsi = np->vsi;
1075 	struct i40e_pf *pf = vsi->back;
1076 
1077 	strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1078 	strlcpy(drvinfo->version, i40e_driver_version_str,
1079 		sizeof(drvinfo->version));
1080 	strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
1081 		sizeof(drvinfo->fw_version));
1082 	strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1083 		sizeof(drvinfo->bus_info));
1084 	drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1085 }
1086 
1087 static void i40e_get_ringparam(struct net_device *netdev,
1088 			       struct ethtool_ringparam *ring)
1089 {
1090 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1091 	struct i40e_pf *pf = np->vsi->back;
1092 	struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1093 
1094 	ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1095 	ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1096 	ring->rx_mini_max_pending = 0;
1097 	ring->rx_jumbo_max_pending = 0;
1098 	ring->rx_pending = vsi->rx_rings[0]->count;
1099 	ring->tx_pending = vsi->tx_rings[0]->count;
1100 	ring->rx_mini_pending = 0;
1101 	ring->rx_jumbo_pending = 0;
1102 }
1103 
1104 static int i40e_set_ringparam(struct net_device *netdev,
1105 			      struct ethtool_ringparam *ring)
1106 {
1107 	struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1108 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1109 	struct i40e_vsi *vsi = np->vsi;
1110 	struct i40e_pf *pf = vsi->back;
1111 	u32 new_rx_count, new_tx_count;
1112 	int i, err = 0;
1113 
1114 	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1115 		return -EINVAL;
1116 
1117 	if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1118 	    ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1119 	    ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1120 	    ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1121 		netdev_info(netdev,
1122 			    "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1123 			    ring->tx_pending, ring->rx_pending,
1124 			    I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1125 		return -EINVAL;
1126 	}
1127 
1128 	new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1129 	new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1130 
1131 	/* if nothing to do return success */
1132 	if ((new_tx_count == vsi->tx_rings[0]->count) &&
1133 	    (new_rx_count == vsi->rx_rings[0]->count))
1134 		return 0;
1135 
1136 	while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1137 		usleep_range(1000, 2000);
1138 
1139 	if (!netif_running(vsi->netdev)) {
1140 		/* simple case - set for the next time the netdev is started */
1141 		for (i = 0; i < vsi->num_queue_pairs; i++) {
1142 			vsi->tx_rings[i]->count = new_tx_count;
1143 			vsi->rx_rings[i]->count = new_rx_count;
1144 		}
1145 		goto done;
1146 	}
1147 
1148 	/* We can't just free everything and then setup again,
1149 	 * because the ISRs in MSI-X mode get passed pointers
1150 	 * to the Tx and Rx ring structs.
1151 	 */
1152 
1153 	/* alloc updated Tx resources */
1154 	if (new_tx_count != vsi->tx_rings[0]->count) {
1155 		netdev_info(netdev,
1156 			    "Changing Tx descriptor count from %d to %d.\n",
1157 			    vsi->tx_rings[0]->count, new_tx_count);
1158 		tx_rings = kcalloc(vsi->alloc_queue_pairs,
1159 				   sizeof(struct i40e_ring), GFP_KERNEL);
1160 		if (!tx_rings) {
1161 			err = -ENOMEM;
1162 			goto done;
1163 		}
1164 
1165 		for (i = 0; i < vsi->num_queue_pairs; i++) {
1166 			/* clone ring and setup updated count */
1167 			tx_rings[i] = *vsi->tx_rings[i];
1168 			tx_rings[i].count = new_tx_count;
1169 			err = i40e_setup_tx_descriptors(&tx_rings[i]);
1170 			if (err) {
1171 				while (i) {
1172 					i--;
1173 					i40e_free_tx_resources(&tx_rings[i]);
1174 				}
1175 				kfree(tx_rings);
1176 				tx_rings = NULL;
1177 
1178 				goto done;
1179 			}
1180 		}
1181 	}
1182 
1183 	/* alloc updated Rx resources */
1184 	if (new_rx_count != vsi->rx_rings[0]->count) {
1185 		netdev_info(netdev,
1186 			    "Changing Rx descriptor count from %d to %d\n",
1187 			    vsi->rx_rings[0]->count, new_rx_count);
1188 		rx_rings = kcalloc(vsi->alloc_queue_pairs,
1189 				   sizeof(struct i40e_ring), GFP_KERNEL);
1190 		if (!rx_rings) {
1191 			err = -ENOMEM;
1192 			goto free_tx;
1193 		}
1194 
1195 		for (i = 0; i < vsi->num_queue_pairs; i++) {
1196 			/* clone ring and setup updated count */
1197 			rx_rings[i] = *vsi->rx_rings[i];
1198 			rx_rings[i].count = new_rx_count;
1199 			err = i40e_setup_rx_descriptors(&rx_rings[i]);
1200 			if (err) {
1201 				while (i) {
1202 					i--;
1203 					i40e_free_rx_resources(&rx_rings[i]);
1204 				}
1205 				kfree(rx_rings);
1206 				rx_rings = NULL;
1207 
1208 				goto free_tx;
1209 			}
1210 		}
1211 	}
1212 
1213 	/* Bring interface down, copy in the new ring info,
1214 	 * then restore the interface
1215 	 */
1216 	i40e_down(vsi);
1217 
1218 	if (tx_rings) {
1219 		for (i = 0; i < vsi->num_queue_pairs; i++) {
1220 			i40e_free_tx_resources(vsi->tx_rings[i]);
1221 			*vsi->tx_rings[i] = tx_rings[i];
1222 		}
1223 		kfree(tx_rings);
1224 		tx_rings = NULL;
1225 	}
1226 
1227 	if (rx_rings) {
1228 		for (i = 0; i < vsi->num_queue_pairs; i++) {
1229 			i40e_free_rx_resources(vsi->rx_rings[i]);
1230 			*vsi->rx_rings[i] = rx_rings[i];
1231 		}
1232 		kfree(rx_rings);
1233 		rx_rings = NULL;
1234 	}
1235 
1236 	i40e_up(vsi);
1237 
1238 free_tx:
1239 	/* error cleanup if the Rx allocations failed after getting Tx */
1240 	if (tx_rings) {
1241 		for (i = 0; i < vsi->num_queue_pairs; i++)
1242 			i40e_free_tx_resources(&tx_rings[i]);
1243 		kfree(tx_rings);
1244 		tx_rings = NULL;
1245 	}
1246 
1247 done:
1248 	clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1249 
1250 	return err;
1251 }
1252 
1253 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1254 {
1255 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1256 	struct i40e_vsi *vsi = np->vsi;
1257 	struct i40e_pf *pf = vsi->back;
1258 
1259 	switch (sset) {
1260 	case ETH_SS_TEST:
1261 		return I40E_TEST_LEN;
1262 	case ETH_SS_STATS:
1263 		if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1264 			int len = I40E_PF_STATS_LEN(netdev);
1265 
1266 			if (pf->lan_veb != I40E_NO_VEB)
1267 				len += I40E_VEB_STATS_TOTAL;
1268 			return len;
1269 		} else {
1270 			return I40E_VSI_STATS_LEN(netdev);
1271 		}
1272 	case ETH_SS_PRIV_FLAGS:
1273 		return I40E_PRIV_FLAGS_STR_LEN;
1274 	default:
1275 		return -EOPNOTSUPP;
1276 	}
1277 }
1278 
1279 static void i40e_get_ethtool_stats(struct net_device *netdev,
1280 				   struct ethtool_stats *stats, u64 *data)
1281 {
1282 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1283 	struct i40e_ring *tx_ring, *rx_ring;
1284 	struct i40e_vsi *vsi = np->vsi;
1285 	struct i40e_pf *pf = vsi->back;
1286 	int i = 0;
1287 	char *p;
1288 	int j;
1289 	struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1290 	unsigned int start;
1291 
1292 	i40e_update_stats(vsi);
1293 
1294 	for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1295 		p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1296 		data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1297 			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1298 	}
1299 	for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1300 		p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1301 		data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1302 			    sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1303 	}
1304 #ifdef I40E_FCOE
1305 	for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1306 		p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1307 		data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1308 			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1309 	}
1310 #endif
1311 	rcu_read_lock();
1312 	for (j = 0; j < vsi->num_queue_pairs; j++) {
1313 		tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1314 
1315 		if (!tx_ring)
1316 			continue;
1317 
1318 		/* process Tx ring statistics */
1319 		do {
1320 			start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1321 			data[i] = tx_ring->stats.packets;
1322 			data[i + 1] = tx_ring->stats.bytes;
1323 		} while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1324 		i += 2;
1325 
1326 		/* Rx ring is the 2nd half of the queue pair */
1327 		rx_ring = &tx_ring[1];
1328 		do {
1329 			start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1330 			data[i] = rx_ring->stats.packets;
1331 			data[i + 1] = rx_ring->stats.bytes;
1332 		} while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1333 		i += 2;
1334 	}
1335 	rcu_read_unlock();
1336 	if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1337 		return;
1338 
1339 	if (pf->lan_veb != I40E_NO_VEB) {
1340 		struct i40e_veb *veb = pf->veb[pf->lan_veb];
1341 		for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1342 			p = (char *)veb;
1343 			p += i40e_gstrings_veb_stats[j].stat_offset;
1344 			data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1345 				     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1346 		}
1347 	}
1348 	for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1349 		p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1350 		data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1351 			     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1352 	}
1353 	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1354 		data[i++] = pf->stats.priority_xon_tx[j];
1355 		data[i++] = pf->stats.priority_xoff_tx[j];
1356 	}
1357 	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1358 		data[i++] = pf->stats.priority_xon_rx[j];
1359 		data[i++] = pf->stats.priority_xoff_rx[j];
1360 	}
1361 	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1362 		data[i++] = pf->stats.priority_xon_2_xoff[j];
1363 }
1364 
1365 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1366 			     u8 *data)
1367 {
1368 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1369 	struct i40e_vsi *vsi = np->vsi;
1370 	struct i40e_pf *pf = vsi->back;
1371 	char *p = (char *)data;
1372 	int i;
1373 
1374 	switch (stringset) {
1375 	case ETH_SS_TEST:
1376 		for (i = 0; i < I40E_TEST_LEN; i++) {
1377 			memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1378 			data += ETH_GSTRING_LEN;
1379 		}
1380 		break;
1381 	case ETH_SS_STATS:
1382 		for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1383 			snprintf(p, ETH_GSTRING_LEN, "%s",
1384 				 i40e_gstrings_net_stats[i].stat_string);
1385 			p += ETH_GSTRING_LEN;
1386 		}
1387 		for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1388 			snprintf(p, ETH_GSTRING_LEN, "%s",
1389 				 i40e_gstrings_misc_stats[i].stat_string);
1390 			p += ETH_GSTRING_LEN;
1391 		}
1392 #ifdef I40E_FCOE
1393 		for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1394 			snprintf(p, ETH_GSTRING_LEN, "%s",
1395 				 i40e_gstrings_fcoe_stats[i].stat_string);
1396 			p += ETH_GSTRING_LEN;
1397 		}
1398 #endif
1399 		for (i = 0; i < vsi->num_queue_pairs; i++) {
1400 			snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1401 			p += ETH_GSTRING_LEN;
1402 			snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1403 			p += ETH_GSTRING_LEN;
1404 			snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1405 			p += ETH_GSTRING_LEN;
1406 			snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1407 			p += ETH_GSTRING_LEN;
1408 		}
1409 		if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1410 			return;
1411 
1412 		if (pf->lan_veb != I40E_NO_VEB) {
1413 			for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1414 				snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1415 					i40e_gstrings_veb_stats[i].stat_string);
1416 				p += ETH_GSTRING_LEN;
1417 			}
1418 			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1419 				snprintf(p, ETH_GSTRING_LEN,
1420 					 "veb.tc_%u_tx_packets", i);
1421 				p += ETH_GSTRING_LEN;
1422 				snprintf(p, ETH_GSTRING_LEN,
1423 					 "veb.tc_%u_tx_bytes", i);
1424 				p += ETH_GSTRING_LEN;
1425 				snprintf(p, ETH_GSTRING_LEN,
1426 					 "veb.tc_%u_rx_packets", i);
1427 				p += ETH_GSTRING_LEN;
1428 				snprintf(p, ETH_GSTRING_LEN,
1429 					 "veb.tc_%u_rx_bytes", i);
1430 				p += ETH_GSTRING_LEN;
1431 			}
1432 		}
1433 		for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1434 			snprintf(p, ETH_GSTRING_LEN, "port.%s",
1435 				 i40e_gstrings_stats[i].stat_string);
1436 			p += ETH_GSTRING_LEN;
1437 		}
1438 		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1439 			snprintf(p, ETH_GSTRING_LEN,
1440 				 "port.tx_priority_%u_xon", i);
1441 			p += ETH_GSTRING_LEN;
1442 			snprintf(p, ETH_GSTRING_LEN,
1443 				 "port.tx_priority_%u_xoff", i);
1444 			p += ETH_GSTRING_LEN;
1445 		}
1446 		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1447 			snprintf(p, ETH_GSTRING_LEN,
1448 				 "port.rx_priority_%u_xon", i);
1449 			p += ETH_GSTRING_LEN;
1450 			snprintf(p, ETH_GSTRING_LEN,
1451 				 "port.rx_priority_%u_xoff", i);
1452 			p += ETH_GSTRING_LEN;
1453 		}
1454 		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1455 			snprintf(p, ETH_GSTRING_LEN,
1456 				 "port.rx_priority_%u_xon_2_xoff", i);
1457 			p += ETH_GSTRING_LEN;
1458 		}
1459 		/* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1460 		break;
1461 	case ETH_SS_PRIV_FLAGS:
1462 		for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1463 			memcpy(data, i40e_priv_flags_strings[i],
1464 			       ETH_GSTRING_LEN);
1465 			data += ETH_GSTRING_LEN;
1466 		}
1467 		break;
1468 	default:
1469 		break;
1470 	}
1471 }
1472 
1473 static int i40e_get_ts_info(struct net_device *dev,
1474 			    struct ethtool_ts_info *info)
1475 {
1476 	struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1477 
1478 	/* only report HW timestamping if PTP is enabled */
1479 	if (!(pf->flags & I40E_FLAG_PTP))
1480 		return ethtool_op_get_ts_info(dev, info);
1481 
1482 	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1483 				SOF_TIMESTAMPING_RX_SOFTWARE |
1484 				SOF_TIMESTAMPING_SOFTWARE |
1485 				SOF_TIMESTAMPING_TX_HARDWARE |
1486 				SOF_TIMESTAMPING_RX_HARDWARE |
1487 				SOF_TIMESTAMPING_RAW_HARDWARE;
1488 
1489 	if (pf->ptp_clock)
1490 		info->phc_index = ptp_clock_index(pf->ptp_clock);
1491 	else
1492 		info->phc_index = -1;
1493 
1494 	info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1495 
1496 	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1497 			   BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1498 			   BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1499 
1500 	return 0;
1501 }
1502 
1503 static int i40e_link_test(struct net_device *netdev, u64 *data)
1504 {
1505 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1506 	struct i40e_pf *pf = np->vsi->back;
1507 
1508 	netif_info(pf, hw, netdev, "link test\n");
1509 	if (i40e_get_link_status(&pf->hw))
1510 		*data = 0;
1511 	else
1512 		*data = 1;
1513 
1514 	return *data;
1515 }
1516 
1517 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1518 {
1519 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1520 	struct i40e_pf *pf = np->vsi->back;
1521 
1522 	netif_info(pf, hw, netdev, "register test\n");
1523 	*data = i40e_diag_reg_test(&pf->hw);
1524 
1525 	return *data;
1526 }
1527 
1528 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1529 {
1530 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1531 	struct i40e_pf *pf = np->vsi->back;
1532 
1533 	netif_info(pf, hw, netdev, "eeprom test\n");
1534 	*data = i40e_diag_eeprom_test(&pf->hw);
1535 
1536 	/* forcebly clear the NVM Update state machine */
1537 	pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1538 
1539 	return *data;
1540 }
1541 
1542 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1543 {
1544 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1545 	struct i40e_pf *pf = np->vsi->back;
1546 	u16 swc_old = pf->sw_int_count;
1547 
1548 	netif_info(pf, hw, netdev, "interrupt test\n");
1549 	wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1550 	     (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1551 	      I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1552 	      I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1553 	      I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1554 	      I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1555 	usleep_range(1000, 2000);
1556 	*data = (swc_old == pf->sw_int_count);
1557 
1558 	return *data;
1559 }
1560 
1561 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1562 {
1563 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1564 	struct i40e_pf *pf = np->vsi->back;
1565 
1566 	netif_info(pf, hw, netdev, "loopback test not implemented\n");
1567 	*data = 0;
1568 
1569 	return *data;
1570 }
1571 
1572 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1573 {
1574 	struct i40e_vf *vfs = pf->vf;
1575 	int i;
1576 
1577 	for (i = 0; i < pf->num_alloc_vfs; i++)
1578 		if (vfs[i].vf_states & I40E_VF_STAT_ACTIVE)
1579 			return true;
1580 	return false;
1581 }
1582 
1583 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1584 {
1585 	struct i40e_vsi **vsi = pf->vsi;
1586 	int i;
1587 
1588 	for (i = 0; i < pf->num_alloc_vsi; i++) {
1589 		if (!vsi[i])
1590 			continue;
1591 		if (vsi[i]->type == I40E_VSI_VMDQ2)
1592 			return true;
1593 	}
1594 
1595 	return false;
1596 }
1597 
1598 static void i40e_diag_test(struct net_device *netdev,
1599 			   struct ethtool_test *eth_test, u64 *data)
1600 {
1601 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1602 	bool if_running = netif_running(netdev);
1603 	struct i40e_pf *pf = np->vsi->back;
1604 
1605 	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1606 		/* Offline tests */
1607 		netif_info(pf, drv, netdev, "offline testing starting\n");
1608 
1609 		set_bit(__I40E_TESTING, &pf->state);
1610 
1611 		if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1612 			dev_warn(&pf->pdev->dev,
1613 				 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1614 			data[I40E_ETH_TEST_REG]		= 1;
1615 			data[I40E_ETH_TEST_EEPROM]	= 1;
1616 			data[I40E_ETH_TEST_INTR]	= 1;
1617 			data[I40E_ETH_TEST_LOOPBACK]	= 1;
1618 			data[I40E_ETH_TEST_LINK]	= 1;
1619 			eth_test->flags |= ETH_TEST_FL_FAILED;
1620 			clear_bit(__I40E_TESTING, &pf->state);
1621 			goto skip_ol_tests;
1622 		}
1623 
1624 		/* If the device is online then take it offline */
1625 		if (if_running)
1626 			/* indicate we're in test mode */
1627 			dev_close(netdev);
1628 		else
1629 			/* This reset does not affect link - if it is
1630 			 * changed to a type of reset that does affect
1631 			 * link then the following link test would have
1632 			 * to be moved to before the reset
1633 			 */
1634 			i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1635 
1636 		if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1637 			eth_test->flags |= ETH_TEST_FL_FAILED;
1638 
1639 		if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1640 			eth_test->flags |= ETH_TEST_FL_FAILED;
1641 
1642 		if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1643 			eth_test->flags |= ETH_TEST_FL_FAILED;
1644 
1645 		if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1646 			eth_test->flags |= ETH_TEST_FL_FAILED;
1647 
1648 		/* run reg test last, a reset is required after it */
1649 		if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1650 			eth_test->flags |= ETH_TEST_FL_FAILED;
1651 
1652 		clear_bit(__I40E_TESTING, &pf->state);
1653 		i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1654 
1655 		if (if_running)
1656 			dev_open(netdev);
1657 	} else {
1658 		/* Online tests */
1659 		netif_info(pf, drv, netdev, "online testing starting\n");
1660 
1661 		if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1662 			eth_test->flags |= ETH_TEST_FL_FAILED;
1663 
1664 		/* Offline only tests, not run in online; pass by default */
1665 		data[I40E_ETH_TEST_REG] = 0;
1666 		data[I40E_ETH_TEST_EEPROM] = 0;
1667 		data[I40E_ETH_TEST_INTR] = 0;
1668 		data[I40E_ETH_TEST_LOOPBACK] = 0;
1669 	}
1670 
1671 skip_ol_tests:
1672 
1673 	netif_info(pf, drv, netdev, "testing finished\n");
1674 }
1675 
1676 static void i40e_get_wol(struct net_device *netdev,
1677 			 struct ethtool_wolinfo *wol)
1678 {
1679 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1680 	struct i40e_pf *pf = np->vsi->back;
1681 	struct i40e_hw *hw = &pf->hw;
1682 	u16 wol_nvm_bits;
1683 
1684 	/* NVM bit on means WoL disabled for the port */
1685 	i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1686 	if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1687 		wol->supported = 0;
1688 		wol->wolopts = 0;
1689 	} else {
1690 		wol->supported = WAKE_MAGIC;
1691 		wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1692 	}
1693 }
1694 
1695 /**
1696  * i40e_set_wol - set the WakeOnLAN configuration
1697  * @netdev: the netdev in question
1698  * @wol: the ethtool WoL setting data
1699  **/
1700 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1701 {
1702 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1703 	struct i40e_pf *pf = np->vsi->back;
1704 	struct i40e_vsi *vsi = np->vsi;
1705 	struct i40e_hw *hw = &pf->hw;
1706 	u16 wol_nvm_bits;
1707 
1708 	/* WoL not supported if this isn't the controlling PF on the port */
1709 	if (hw->partition_id != 1) {
1710 		i40e_partition_setting_complaint(pf);
1711 		return -EOPNOTSUPP;
1712 	}
1713 
1714 	if (vsi != pf->vsi[pf->lan_vsi])
1715 		return -EOPNOTSUPP;
1716 
1717 	/* NVM bit on means WoL disabled for the port */
1718 	i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1719 	if (BIT(hw->port) & wol_nvm_bits)
1720 		return -EOPNOTSUPP;
1721 
1722 	/* only magic packet is supported */
1723 	if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1724 		return -EOPNOTSUPP;
1725 
1726 	/* is this a new value? */
1727 	if (pf->wol_en != !!wol->wolopts) {
1728 		pf->wol_en = !!wol->wolopts;
1729 		device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1730 	}
1731 
1732 	return 0;
1733 }
1734 
1735 static int i40e_set_phys_id(struct net_device *netdev,
1736 			    enum ethtool_phys_id_state state)
1737 {
1738 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1739 	struct i40e_pf *pf = np->vsi->back;
1740 	struct i40e_hw *hw = &pf->hw;
1741 	int blink_freq = 2;
1742 
1743 	switch (state) {
1744 	case ETHTOOL_ID_ACTIVE:
1745 		pf->led_status = i40e_led_get(hw);
1746 		return blink_freq;
1747 	case ETHTOOL_ID_ON:
1748 		i40e_led_set(hw, 0xF, false);
1749 		break;
1750 	case ETHTOOL_ID_OFF:
1751 		i40e_led_set(hw, 0x0, false);
1752 		break;
1753 	case ETHTOOL_ID_INACTIVE:
1754 		i40e_led_set(hw, pf->led_status, false);
1755 		break;
1756 	default:
1757 		break;
1758 	}
1759 
1760 	return 0;
1761 }
1762 
1763 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1764  * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1765  * 125us (8000 interrupts per second) == ITR(62)
1766  */
1767 
1768 static int i40e_get_coalesce(struct net_device *netdev,
1769 			     struct ethtool_coalesce *ec)
1770 {
1771 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1772 	struct i40e_vsi *vsi = np->vsi;
1773 
1774 	ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1775 	ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1776 
1777 	if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1778 		ec->use_adaptive_rx_coalesce = 1;
1779 
1780 	if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1781 		ec->use_adaptive_tx_coalesce = 1;
1782 
1783 	ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1784 	ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1785 
1786 	return 0;
1787 }
1788 
1789 static int i40e_set_coalesce(struct net_device *netdev,
1790 			     struct ethtool_coalesce *ec)
1791 {
1792 	struct i40e_netdev_priv *np = netdev_priv(netdev);
1793 	struct i40e_q_vector *q_vector;
1794 	struct i40e_vsi *vsi = np->vsi;
1795 	struct i40e_pf *pf = vsi->back;
1796 	struct i40e_hw *hw = &pf->hw;
1797 	u16 vector;
1798 	int i;
1799 
1800 	if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1801 		vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1802 
1803 	vector = vsi->base_vector;
1804 	if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1805 	    (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1806 		vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1807 	} else if (ec->rx_coalesce_usecs == 0) {
1808 		vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1809 		if (ec->use_adaptive_rx_coalesce)
1810 			netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1811 	} else {
1812 		netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1813 		return -EINVAL;
1814 	}
1815 
1816 	if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1817 	    (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1818 		vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1819 	} else if (ec->tx_coalesce_usecs == 0) {
1820 		vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1821 		if (ec->use_adaptive_tx_coalesce)
1822 			netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1823 	} else {
1824 		netif_info(pf, drv, netdev,
1825 			   "Invalid value, tx-usecs range is 0-8160\n");
1826 		return -EINVAL;
1827 	}
1828 
1829 	if (ec->use_adaptive_rx_coalesce)
1830 		vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1831 	else
1832 		vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1833 
1834 	if (ec->use_adaptive_tx_coalesce)
1835 		vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1836 	else
1837 		vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1838 
1839 	for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1840 		q_vector = vsi->q_vectors[i];
1841 		q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1842 		wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1843 		q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1844 		wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1845 		i40e_flush(hw);
1846 	}
1847 
1848 	return 0;
1849 }
1850 
1851 /**
1852  * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1853  * @pf: pointer to the physical function struct
1854  * @cmd: ethtool rxnfc command
1855  *
1856  * Returns Success if the flow is supported, else Invalid Input.
1857  **/
1858 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1859 {
1860 	cmd->data = 0;
1861 
1862 	if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1863 		cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1864 		cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1865 		return 0;
1866 	}
1867 	/* Report default options for RSS on i40e */
1868 	switch (cmd->flow_type) {
1869 	case TCP_V4_FLOW:
1870 	case UDP_V4_FLOW:
1871 		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1872 	/* fall through to add IP fields */
1873 	case SCTP_V4_FLOW:
1874 	case AH_ESP_V4_FLOW:
1875 	case AH_V4_FLOW:
1876 	case ESP_V4_FLOW:
1877 	case IPV4_FLOW:
1878 		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1879 		break;
1880 	case TCP_V6_FLOW:
1881 	case UDP_V6_FLOW:
1882 		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1883 	/* fall through to add IP fields */
1884 	case SCTP_V6_FLOW:
1885 	case AH_ESP_V6_FLOW:
1886 	case AH_V6_FLOW:
1887 	case ESP_V6_FLOW:
1888 	case IPV6_FLOW:
1889 		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1890 		break;
1891 	default:
1892 		return -EINVAL;
1893 	}
1894 
1895 	return 0;
1896 }
1897 
1898 /**
1899  * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1900  * @pf: Pointer to the physical function struct
1901  * @cmd: The command to get or set Rx flow classification rules
1902  * @rule_locs: Array of used rule locations
1903  *
1904  * This function populates both the total and actual rule count of
1905  * the ethtool flow classification command
1906  *
1907  * Returns 0 on success or -EMSGSIZE if entry not found
1908  **/
1909 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
1910 				     struct ethtool_rxnfc *cmd,
1911 				     u32 *rule_locs)
1912 {
1913 	struct i40e_fdir_filter *rule;
1914 	struct hlist_node *node2;
1915 	int cnt = 0;
1916 
1917 	/* report total rule count */
1918 	cmd->data = i40e_get_fd_cnt_all(pf);
1919 
1920 	hlist_for_each_entry_safe(rule, node2,
1921 				  &pf->fdir_filter_list, fdir_node) {
1922 		if (cnt == cmd->rule_cnt)
1923 			return -EMSGSIZE;
1924 
1925 		rule_locs[cnt] = rule->fd_id;
1926 		cnt++;
1927 	}
1928 
1929 	cmd->rule_cnt = cnt;
1930 
1931 	return 0;
1932 }
1933 
1934 /**
1935  * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
1936  * @pf: Pointer to the physical function struct
1937  * @cmd: The command to get or set Rx flow classification rules
1938  *
1939  * This function looks up a filter based on the Rx flow classification
1940  * command and fills the flow spec info for it if found
1941  *
1942  * Returns 0 on success or -EINVAL if filter not found
1943  **/
1944 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
1945 				       struct ethtool_rxnfc *cmd)
1946 {
1947 	struct ethtool_rx_flow_spec *fsp =
1948 			(struct ethtool_rx_flow_spec *)&cmd->fs;
1949 	struct i40e_fdir_filter *rule = NULL;
1950 	struct hlist_node *node2;
1951 
1952 	hlist_for_each_entry_safe(rule, node2,
1953 				  &pf->fdir_filter_list, fdir_node) {
1954 		if (fsp->location <= rule->fd_id)
1955 			break;
1956 	}
1957 
1958 	if (!rule || fsp->location != rule->fd_id)
1959 		return -EINVAL;
1960 
1961 	fsp->flow_type = rule->flow_type;
1962 	if (fsp->flow_type == IP_USER_FLOW) {
1963 		fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
1964 		fsp->h_u.usr_ip4_spec.proto = 0;
1965 		fsp->m_u.usr_ip4_spec.proto = 0;
1966 	}
1967 
1968 	/* Reverse the src and dest notion, since the HW views them from
1969 	 * Tx perspective where as the user expects it from Rx filter view.
1970 	 */
1971 	fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
1972 	fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
1973 	fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
1974 	fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
1975 
1976 	if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
1977 		fsp->ring_cookie = RX_CLS_FLOW_DISC;
1978 	else
1979 		fsp->ring_cookie = rule->q_index;
1980 
1981 	if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
1982 		struct i40e_vsi *vsi;
1983 
1984 		vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
1985 		if (vsi && vsi->type == I40E_VSI_SRIOV) {
1986 			fsp->h_ext.data[1] = htonl(vsi->vf_id);
1987 			fsp->m_ext.data[1] = htonl(0x1);
1988 		}
1989 	}
1990 
1991 	return 0;
1992 }
1993 
1994 /**
1995  * i40e_get_rxnfc - command to get RX flow classification rules
1996  * @netdev: network interface device structure
1997  * @cmd: ethtool rxnfc command
1998  *
1999  * Returns Success if the command is supported.
2000  **/
2001 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2002 			  u32 *rule_locs)
2003 {
2004 	struct i40e_netdev_priv *np = netdev_priv(netdev);
2005 	struct i40e_vsi *vsi = np->vsi;
2006 	struct i40e_pf *pf = vsi->back;
2007 	int ret = -EOPNOTSUPP;
2008 
2009 	switch (cmd->cmd) {
2010 	case ETHTOOL_GRXRINGS:
2011 		cmd->data = vsi->alloc_queue_pairs;
2012 		ret = 0;
2013 		break;
2014 	case ETHTOOL_GRXFH:
2015 		ret = i40e_get_rss_hash_opts(pf, cmd);
2016 		break;
2017 	case ETHTOOL_GRXCLSRLCNT:
2018 		cmd->rule_cnt = pf->fdir_pf_active_filters;
2019 		/* report total rule count */
2020 		cmd->data = i40e_get_fd_cnt_all(pf);
2021 		ret = 0;
2022 		break;
2023 	case ETHTOOL_GRXCLSRULE:
2024 		ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2025 		break;
2026 	case ETHTOOL_GRXCLSRLALL:
2027 		ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2028 		break;
2029 	default:
2030 		break;
2031 	}
2032 
2033 	return ret;
2034 }
2035 
2036 /**
2037  * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2038  * @pf: pointer to the physical function struct
2039  * @cmd: ethtool rxnfc command
2040  *
2041  * Returns Success if the flow input set is supported.
2042  **/
2043 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2044 {
2045 	struct i40e_hw *hw = &pf->hw;
2046 	u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2047 		   ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2048 
2049 	/* RSS does not support anything other than hashing
2050 	 * to queues on src and dst IPs and ports
2051 	 */
2052 	if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2053 			  RXH_L4_B_0_1 | RXH_L4_B_2_3))
2054 		return -EINVAL;
2055 
2056 	/* We need at least the IP SRC and DEST fields for hashing */
2057 	if (!(nfc->data & RXH_IP_SRC) ||
2058 	    !(nfc->data & RXH_IP_DST))
2059 		return -EINVAL;
2060 
2061 	switch (nfc->flow_type) {
2062 	case TCP_V4_FLOW:
2063 		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2064 		case 0:
2065 			hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2066 			break;
2067 		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2068 			hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2069 			break;
2070 		default:
2071 			return -EINVAL;
2072 		}
2073 		break;
2074 	case TCP_V6_FLOW:
2075 		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2076 		case 0:
2077 			hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2078 			break;
2079 		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2080 			hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2081 			break;
2082 		default:
2083 			return -EINVAL;
2084 		}
2085 		break;
2086 	case UDP_V4_FLOW:
2087 		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2088 		case 0:
2089 			hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2090 				  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2091 			break;
2092 		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2093 			hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2094 				 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2095 			break;
2096 		default:
2097 			return -EINVAL;
2098 		}
2099 		break;
2100 	case UDP_V6_FLOW:
2101 		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2102 		case 0:
2103 			hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2104 				  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2105 			break;
2106 		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2107 			hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2108 				 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2109 			break;
2110 		default:
2111 			return -EINVAL;
2112 		}
2113 		break;
2114 	case AH_ESP_V4_FLOW:
2115 	case AH_V4_FLOW:
2116 	case ESP_V4_FLOW:
2117 	case SCTP_V4_FLOW:
2118 		if ((nfc->data & RXH_L4_B_0_1) ||
2119 		    (nfc->data & RXH_L4_B_2_3))
2120 			return -EINVAL;
2121 		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2122 		break;
2123 	case AH_ESP_V6_FLOW:
2124 	case AH_V6_FLOW:
2125 	case ESP_V6_FLOW:
2126 	case SCTP_V6_FLOW:
2127 		if ((nfc->data & RXH_L4_B_0_1) ||
2128 		    (nfc->data & RXH_L4_B_2_3))
2129 			return -EINVAL;
2130 		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2131 		break;
2132 	case IPV4_FLOW:
2133 		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2134 			BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2135 		break;
2136 	case IPV6_FLOW:
2137 		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2138 			BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2139 		break;
2140 	default:
2141 		return -EINVAL;
2142 	}
2143 
2144 	wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2145 	wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2146 	i40e_flush(hw);
2147 
2148 	/* Save setting for future output/update */
2149 	pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2150 
2151 	return 0;
2152 }
2153 
2154 /**
2155  * i40e_match_fdir_input_set - Match a new filter against an existing one
2156  * @rule: The filter already added
2157  * @input: The new filter to comapre against
2158  *
2159  * Returns true if the two input set match
2160  **/
2161 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2162 				      struct i40e_fdir_filter *input)
2163 {
2164 	if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2165 	    (rule->src_ip[0] != input->src_ip[0]) ||
2166 	    (rule->dst_port != input->dst_port) ||
2167 	    (rule->src_port != input->src_port))
2168 		return false;
2169 	return true;
2170 }
2171 
2172 /**
2173  * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2174  * @vsi: Pointer to the targeted VSI
2175  * @input: The filter to update or NULL to indicate deletion
2176  * @sw_idx: Software index to the filter
2177  * @cmd: The command to get or set Rx flow classification rules
2178  *
2179  * This function updates (or deletes) a Flow Director entry from
2180  * the hlist of the corresponding PF
2181  *
2182  * Returns 0 on success
2183  **/
2184 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2185 					  struct i40e_fdir_filter *input,
2186 					  u16 sw_idx,
2187 					  struct ethtool_rxnfc *cmd)
2188 {
2189 	struct i40e_fdir_filter *rule, *parent;
2190 	struct i40e_pf *pf = vsi->back;
2191 	struct hlist_node *node2;
2192 	int err = -EINVAL;
2193 
2194 	parent = NULL;
2195 	rule = NULL;
2196 
2197 	hlist_for_each_entry_safe(rule, node2,
2198 				  &pf->fdir_filter_list, fdir_node) {
2199 		/* hash found, or no matching entry */
2200 		if (rule->fd_id >= sw_idx)
2201 			break;
2202 		parent = rule;
2203 	}
2204 
2205 	/* if there is an old rule occupying our place remove it */
2206 	if (rule && (rule->fd_id == sw_idx)) {
2207 		if (input && !i40e_match_fdir_input_set(rule, input))
2208 			err = i40e_add_del_fdir(vsi, rule, false);
2209 		else if (!input)
2210 			err = i40e_add_del_fdir(vsi, rule, false);
2211 		hlist_del(&rule->fdir_node);
2212 		kfree(rule);
2213 		pf->fdir_pf_active_filters--;
2214 	}
2215 
2216 	/* If no input this was a delete, err should be 0 if a rule was
2217 	 * successfully found and removed from the list else -EINVAL
2218 	 */
2219 	if (!input)
2220 		return err;
2221 
2222 	/* initialize node and set software index */
2223 	INIT_HLIST_NODE(&input->fdir_node);
2224 
2225 	/* add filter to the list */
2226 	if (parent)
2227 		hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2228 	else
2229 		hlist_add_head(&input->fdir_node,
2230 			       &pf->fdir_filter_list);
2231 
2232 	/* update counts */
2233 	pf->fdir_pf_active_filters++;
2234 
2235 	return 0;
2236 }
2237 
2238 /**
2239  * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2240  * @vsi: Pointer to the targeted VSI
2241  * @cmd: The command to get or set Rx flow classification rules
2242  *
2243  * The function removes a Flow Director filter entry from the
2244  * hlist of the corresponding PF
2245  *
2246  * Returns 0 on success
2247  */
2248 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2249 			       struct ethtool_rxnfc *cmd)
2250 {
2251 	struct ethtool_rx_flow_spec *fsp =
2252 		(struct ethtool_rx_flow_spec *)&cmd->fs;
2253 	struct i40e_pf *pf = vsi->back;
2254 	int ret = 0;
2255 
2256 	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2257 	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2258 		return -EBUSY;
2259 
2260 	if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2261 		return -EBUSY;
2262 
2263 	ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2264 
2265 	i40e_fdir_check_and_reenable(pf);
2266 	return ret;
2267 }
2268 
2269 /**
2270  * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2271  * @vsi: pointer to the targeted VSI
2272  * @cmd: command to get or set RX flow classification rules
2273  *
2274  * Add Flow Director filters for a specific flow spec based on their
2275  * protocol.  Returns 0 if the filters were successfully added.
2276  **/
2277 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2278 				 struct ethtool_rxnfc *cmd)
2279 {
2280 	struct ethtool_rx_flow_spec *fsp;
2281 	struct i40e_fdir_filter *input;
2282 	struct i40e_pf *pf;
2283 	int ret = -EINVAL;
2284 	u16 vf_id;
2285 
2286 	if (!vsi)
2287 		return -EINVAL;
2288 
2289 	pf = vsi->back;
2290 
2291 	if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2292 		return -EOPNOTSUPP;
2293 
2294 	if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2295 		return -ENOSPC;
2296 
2297 	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2298 	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2299 		return -EBUSY;
2300 
2301 	if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2302 		return -EBUSY;
2303 
2304 	fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2305 
2306 	if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2307 			      pf->hw.func_caps.fd_filters_guaranteed)) {
2308 		return -EINVAL;
2309 	}
2310 
2311 	if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2312 	    (fsp->ring_cookie >= vsi->num_queue_pairs))
2313 		return -EINVAL;
2314 
2315 	input = kzalloc(sizeof(*input), GFP_KERNEL);
2316 
2317 	if (!input)
2318 		return -ENOMEM;
2319 
2320 	input->fd_id = fsp->location;
2321 
2322 	if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2323 		input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2324 	else
2325 		input->dest_ctl =
2326 			     I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2327 
2328 	input->q_index = fsp->ring_cookie;
2329 	input->flex_off = 0;
2330 	input->pctype = 0;
2331 	input->dest_vsi = vsi->id;
2332 	input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2333 	input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2334 	input->flow_type = fsp->flow_type;
2335 	input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2336 
2337 	/* Reverse the src and dest notion, since the HW expects them to be from
2338 	 * Tx perspective where as the input from user is from Rx filter view.
2339 	 */
2340 	input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2341 	input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2342 	input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2343 	input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2344 
2345 	if (ntohl(fsp->m_ext.data[1])) {
2346 		if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2347 			netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2348 			goto free_input;
2349 		}
2350 		vf_id = ntohl(fsp->h_ext.data[1]);
2351 		/* Find vsi id from vf id and override dest vsi */
2352 		input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2353 		if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2354 			netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2355 			goto free_input;
2356 		}
2357 	}
2358 
2359 	ret = i40e_add_del_fdir(vsi, input, true);
2360 free_input:
2361 	if (ret)
2362 		kfree(input);
2363 	else
2364 		i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2365 
2366 	return ret;
2367 }
2368 
2369 /**
2370  * i40e_set_rxnfc - command to set RX flow classification rules
2371  * @netdev: network interface device structure
2372  * @cmd: ethtool rxnfc command
2373  *
2374  * Returns Success if the command is supported.
2375  **/
2376 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2377 {
2378 	struct i40e_netdev_priv *np = netdev_priv(netdev);
2379 	struct i40e_vsi *vsi = np->vsi;
2380 	struct i40e_pf *pf = vsi->back;
2381 	int ret = -EOPNOTSUPP;
2382 
2383 	switch (cmd->cmd) {
2384 	case ETHTOOL_SRXFH:
2385 		ret = i40e_set_rss_hash_opt(pf, cmd);
2386 		break;
2387 	case ETHTOOL_SRXCLSRLINS:
2388 		ret = i40e_add_fdir_ethtool(vsi, cmd);
2389 		break;
2390 	case ETHTOOL_SRXCLSRLDEL:
2391 		ret = i40e_del_fdir_entry(vsi, cmd);
2392 		break;
2393 	default:
2394 		break;
2395 	}
2396 
2397 	return ret;
2398 }
2399 
2400 /**
2401  * i40e_max_channels - get Max number of combined channels supported
2402  * @vsi: vsi pointer
2403  **/
2404 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2405 {
2406 	/* TODO: This code assumes DCB and FD is disabled for now. */
2407 	return vsi->alloc_queue_pairs;
2408 }
2409 
2410 /**
2411  * i40e_get_channels - Get the current channels enabled and max supported etc.
2412  * @netdev: network interface device structure
2413  * @ch: ethtool channels structure
2414  *
2415  * We don't support separate tx and rx queues as channels. The other count
2416  * represents how many queues are being used for control. max_combined counts
2417  * how many queue pairs we can support. They may not be mapped 1 to 1 with
2418  * q_vectors since we support a lot more queue pairs than q_vectors.
2419  **/
2420 static void i40e_get_channels(struct net_device *dev,
2421 			       struct ethtool_channels *ch)
2422 {
2423 	struct i40e_netdev_priv *np = netdev_priv(dev);
2424 	struct i40e_vsi *vsi = np->vsi;
2425 	struct i40e_pf *pf = vsi->back;
2426 
2427 	/* report maximum channels */
2428 	ch->max_combined = i40e_max_channels(vsi);
2429 
2430 	/* report info for other vector */
2431 	ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2432 	ch->max_other = ch->other_count;
2433 
2434 	/* Note: This code assumes DCB is disabled for now. */
2435 	ch->combined_count = vsi->num_queue_pairs;
2436 }
2437 
2438 /**
2439  * i40e_set_channels - Set the new channels count.
2440  * @netdev: network interface device structure
2441  * @ch: ethtool channels structure
2442  *
2443  * The new channels count may not be the same as requested by the user
2444  * since it gets rounded down to a power of 2 value.
2445  **/
2446 static int i40e_set_channels(struct net_device *dev,
2447 			      struct ethtool_channels *ch)
2448 {
2449 	struct i40e_netdev_priv *np = netdev_priv(dev);
2450 	unsigned int count = ch->combined_count;
2451 	struct i40e_vsi *vsi = np->vsi;
2452 	struct i40e_pf *pf = vsi->back;
2453 	int new_count;
2454 
2455 	/* We do not support setting channels for any other VSI at present */
2456 	if (vsi->type != I40E_VSI_MAIN)
2457 		return -EINVAL;
2458 
2459 	/* verify they are not requesting separate vectors */
2460 	if (!count || ch->rx_count || ch->tx_count)
2461 		return -EINVAL;
2462 
2463 	/* verify other_count has not changed */
2464 	if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2465 		return -EINVAL;
2466 
2467 	/* verify the number of channels does not exceed hardware limits */
2468 	if (count > i40e_max_channels(vsi))
2469 		return -EINVAL;
2470 
2471 	/* update feature limits from largest to smallest supported values */
2472 	/* TODO: Flow director limit, DCB etc */
2473 
2474 	/* use rss_reconfig to rebuild with new queue count and update traffic
2475 	 * class queue mapping
2476 	 */
2477 	new_count = i40e_reconfig_rss_queues(pf, count);
2478 	if (new_count > 0)
2479 		return 0;
2480 	else
2481 		return -EINVAL;
2482 }
2483 
2484 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2485 /**
2486  * i40e_get_rxfh_key_size - get the RSS hash key size
2487  * @netdev: network interface device structure
2488  *
2489  * Returns the table size.
2490  **/
2491 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2492 {
2493 	return I40E_HKEY_ARRAY_SIZE;
2494 }
2495 
2496 /**
2497  * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2498  * @netdev: network interface device structure
2499  *
2500  * Returns the table size.
2501  **/
2502 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2503 {
2504 	return I40E_HLUT_ARRAY_SIZE;
2505 }
2506 
2507 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2508 			 u8 *hfunc)
2509 {
2510 	struct i40e_netdev_priv *np = netdev_priv(netdev);
2511 	struct i40e_vsi *vsi = np->vsi;
2512 	struct i40e_pf *pf = vsi->back;
2513 	struct i40e_hw *hw = &pf->hw;
2514 	u32 reg_val;
2515 	int i, j;
2516 
2517 	if (hfunc)
2518 		*hfunc = ETH_RSS_HASH_TOP;
2519 
2520 	if (!indir)
2521 		return 0;
2522 
2523 	for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2524 		reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2525 		indir[j++] = reg_val & 0xff;
2526 		indir[j++] = (reg_val >> 8) & 0xff;
2527 		indir[j++] = (reg_val >> 16) & 0xff;
2528 		indir[j++] = (reg_val >> 24) & 0xff;
2529 	}
2530 
2531 	if (key) {
2532 		for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2533 			reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2534 			key[j++] = (u8)(reg_val & 0xff);
2535 			key[j++] = (u8)((reg_val >> 8) & 0xff);
2536 			key[j++] = (u8)((reg_val >> 16) & 0xff);
2537 			key[j++] = (u8)((reg_val >> 24) & 0xff);
2538 		}
2539 	}
2540 	return 0;
2541 }
2542 
2543 /**
2544  * i40e_set_rxfh - set the rx flow hash indirection table
2545  * @netdev: network interface device structure
2546  * @indir: indirection table
2547  * @key: hash key
2548  *
2549  * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2550  * returns 0 after programming the table.
2551  **/
2552 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2553 			 const u8 *key, const u8 hfunc)
2554 {
2555 	struct i40e_netdev_priv *np = netdev_priv(netdev);
2556 	struct i40e_vsi *vsi = np->vsi;
2557 	struct i40e_pf *pf = vsi->back;
2558 	struct i40e_hw *hw = &pf->hw;
2559 	u32 reg_val;
2560 	int i, j;
2561 
2562 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2563 		return -EOPNOTSUPP;
2564 
2565 	if (!indir)
2566 		return 0;
2567 
2568 	for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2569 		reg_val = indir[j++];
2570 		reg_val |= indir[j++] << 8;
2571 		reg_val |= indir[j++] << 16;
2572 		reg_val |= indir[j++] << 24;
2573 		wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2574 	}
2575 
2576 	if (key) {
2577 		for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2578 			reg_val = key[j++];
2579 			reg_val |= key[j++] << 8;
2580 			reg_val |= key[j++] << 16;
2581 			reg_val |= key[j++] << 24;
2582 			wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2583 		}
2584 	}
2585 	return 0;
2586 }
2587 
2588 /**
2589  * i40e_get_priv_flags - report device private flags
2590  * @dev: network interface device structure
2591  *
2592  * The get string set count and the string set should be matched for each
2593  * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
2594  * array.
2595  *
2596  * Returns a u32 bitmap of flags.
2597  **/
2598 static u32 i40e_get_priv_flags(struct net_device *dev)
2599 {
2600 	struct i40e_netdev_priv *np = netdev_priv(dev);
2601 	struct i40e_vsi *vsi = np->vsi;
2602 	struct i40e_pf *pf = vsi->back;
2603 	u32 ret_flags = 0;
2604 
2605 	ret_flags |= pf->hw.func_caps.npar_enable ?
2606 		I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2607 
2608 	return ret_flags;
2609 }
2610 
2611 static const struct ethtool_ops i40e_ethtool_ops = {
2612 	.get_settings		= i40e_get_settings,
2613 	.set_settings		= i40e_set_settings,
2614 	.get_drvinfo		= i40e_get_drvinfo,
2615 	.get_regs_len		= i40e_get_regs_len,
2616 	.get_regs		= i40e_get_regs,
2617 	.nway_reset		= i40e_nway_reset,
2618 	.get_link		= ethtool_op_get_link,
2619 	.get_wol		= i40e_get_wol,
2620 	.set_wol		= i40e_set_wol,
2621 	.set_eeprom		= i40e_set_eeprom,
2622 	.get_eeprom_len		= i40e_get_eeprom_len,
2623 	.get_eeprom		= i40e_get_eeprom,
2624 	.get_ringparam		= i40e_get_ringparam,
2625 	.set_ringparam		= i40e_set_ringparam,
2626 	.get_pauseparam		= i40e_get_pauseparam,
2627 	.set_pauseparam		= i40e_set_pauseparam,
2628 	.get_msglevel		= i40e_get_msglevel,
2629 	.set_msglevel		= i40e_set_msglevel,
2630 	.get_rxnfc		= i40e_get_rxnfc,
2631 	.set_rxnfc		= i40e_set_rxnfc,
2632 	.self_test		= i40e_diag_test,
2633 	.get_strings		= i40e_get_strings,
2634 	.set_phys_id		= i40e_set_phys_id,
2635 	.get_sset_count		= i40e_get_sset_count,
2636 	.get_ethtool_stats	= i40e_get_ethtool_stats,
2637 	.get_coalesce		= i40e_get_coalesce,
2638 	.set_coalesce		= i40e_set_coalesce,
2639 	.get_rxfh_key_size	= i40e_get_rxfh_key_size,
2640 	.get_rxfh_indir_size	= i40e_get_rxfh_indir_size,
2641 	.get_rxfh		= i40e_get_rxfh,
2642 	.set_rxfh		= i40e_set_rxfh,
2643 	.get_channels		= i40e_get_channels,
2644 	.set_channels		= i40e_set_channels,
2645 	.get_ts_info		= i40e_get_ts_info,
2646 	.get_priv_flags		= i40e_get_priv_flags,
2647 };
2648 
2649 void i40e_set_ethtool_ops(struct net_device *netdev)
2650 {
2651 	netdev->ethtool_ops = &i40e_ethtool_ops;
2652 }
2653