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i40e: Fix order of checks when enabling/disabling autoneg in ethtool
[deliverable/linux.git] / drivers / net / ethernet / intel / i40e / i40e_ethtool.c
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 I40E_VSI_STAT("tx_linearize", tx_linearize),
91 };
92
93 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
94 * but they are separate. This device supports Virtualization, and
95 * as such might have several netdevs supporting VMDq and FCoE going
96 * through a single port. The NETDEV_STATs are for individual netdevs
97 * seen at the top of the stack, and the PF_STATs are for the physical
98 * function at the bottom of the stack hosting those netdevs.
99 *
100 * The PF_STATs are appended to the netdev stats only when ethtool -S
101 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
102 */
103 static struct i40e_stats i40e_gstrings_stats[] = {
104 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
105 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
106 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
107 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
108 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
109 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
110 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
111 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
112 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
113 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
114 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
115 I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
116 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
117 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
118 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
119 I40E_PF_STAT("tx_timeout", tx_timeout_count),
120 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
121 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
122 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
123 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
124 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
125 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
126 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
127 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
128 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
129 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
130 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
131 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
132 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
133 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
134 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
135 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
136 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
137 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
138 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
139 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
140 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
141 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
142 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
143 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
144 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
145 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
146 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
147 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
148 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
149 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
150 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
151 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
152
153 /* LPI stats */
154 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
155 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
156 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
157 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
158 };
159
160 #ifdef I40E_FCOE
161 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
162 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
163 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
164 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
165 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
166 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
167 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
168 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
169 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
170 };
171
172 #endif /* I40E_FCOE */
173 #define I40E_QUEUE_STATS_LEN(n) \
174 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
175 * 2 /* Tx and Rx together */ \
176 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
177 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
178 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
179 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
180 #ifdef I40E_FCOE
181 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats)
182 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
183 I40E_FCOE_STATS_LEN + \
184 I40E_MISC_STATS_LEN + \
185 I40E_QUEUE_STATS_LEN((n)))
186 #else
187 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
188 I40E_MISC_STATS_LEN + \
189 I40E_QUEUE_STATS_LEN((n)))
190 #endif /* I40E_FCOE */
191 #define I40E_PFC_STATS_LEN ( \
192 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
193 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
194 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
195 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
196 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
197 / sizeof(u64))
198 #define I40E_VEB_TC_STATS_LEN ( \
199 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
200 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
201 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
202 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
203 / sizeof(u64))
204 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
205 #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
206 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
207 I40E_PFC_STATS_LEN + \
208 I40E_VSI_STATS_LEN((n)))
209
210 enum i40e_ethtool_test_id {
211 I40E_ETH_TEST_REG = 0,
212 I40E_ETH_TEST_EEPROM,
213 I40E_ETH_TEST_INTR,
214 I40E_ETH_TEST_LOOPBACK,
215 I40E_ETH_TEST_LINK,
216 };
217
218 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
219 "Register test (offline)",
220 "Eeprom test (offline)",
221 "Interrupt test (offline)",
222 "Loopback test (offline)",
223 "Link test (on/offline)"
224 };
225
226 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
227
228 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
229 "NPAR",
230 "LinkPolling",
231 "flow-director-atr",
232 "veb-stats",
233 };
234
235 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
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 struct i40e_pf *pf)
258 {
259 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
260 u32 link_speed = hw_link_info->link_speed;
261
262 /* Initialize supported and advertised settings based on phy settings */
263 switch (hw_link_info->phy_type) {
264 case I40E_PHY_TYPE_40GBASE_CR4:
265 case I40E_PHY_TYPE_40GBASE_CR4_CU:
266 ecmd->supported = SUPPORTED_Autoneg |
267 SUPPORTED_40000baseCR4_Full;
268 ecmd->advertising = ADVERTISED_Autoneg |
269 ADVERTISED_40000baseCR4_Full;
270 break;
271 case I40E_PHY_TYPE_XLAUI:
272 case I40E_PHY_TYPE_XLPPI:
273 case I40E_PHY_TYPE_40GBASE_AOC:
274 ecmd->supported = SUPPORTED_40000baseCR4_Full;
275 break;
276 case I40E_PHY_TYPE_40GBASE_SR4:
277 ecmd->supported = SUPPORTED_40000baseSR4_Full;
278 break;
279 case I40E_PHY_TYPE_40GBASE_LR4:
280 ecmd->supported = SUPPORTED_40000baseLR4_Full;
281 break;
282 case I40E_PHY_TYPE_10GBASE_SR:
283 case I40E_PHY_TYPE_10GBASE_LR:
284 case I40E_PHY_TYPE_1000BASE_SX:
285 case I40E_PHY_TYPE_1000BASE_LX:
286 ecmd->supported = SUPPORTED_10000baseT_Full;
287 if (hw_link_info->module_type[2] &
288 I40E_MODULE_TYPE_1000BASE_SX ||
289 hw_link_info->module_type[2] &
290 I40E_MODULE_TYPE_1000BASE_LX) {
291 ecmd->supported |= SUPPORTED_1000baseT_Full;
292 if (hw_link_info->requested_speeds &
293 I40E_LINK_SPEED_1GB)
294 ecmd->advertising |= ADVERTISED_1000baseT_Full;
295 }
296 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
297 ecmd->advertising |= ADVERTISED_10000baseT_Full;
298 break;
299 case I40E_PHY_TYPE_10GBASE_T:
300 case I40E_PHY_TYPE_1000BASE_T:
301 ecmd->supported = SUPPORTED_Autoneg |
302 SUPPORTED_10000baseT_Full |
303 SUPPORTED_1000baseT_Full;
304 ecmd->advertising = ADVERTISED_Autoneg;
305 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
306 ecmd->advertising |= ADVERTISED_10000baseT_Full;
307 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
308 ecmd->advertising |= ADVERTISED_1000baseT_Full;
309 break;
310 case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
311 ecmd->supported = SUPPORTED_Autoneg |
312 SUPPORTED_1000baseT_Full;
313 ecmd->advertising = ADVERTISED_Autoneg |
314 ADVERTISED_1000baseT_Full;
315 break;
316 case I40E_PHY_TYPE_100BASE_TX:
317 ecmd->supported = SUPPORTED_Autoneg |
318 SUPPORTED_100baseT_Full;
319 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
320 ecmd->advertising |= ADVERTISED_100baseT_Full;
321 break;
322 case I40E_PHY_TYPE_10GBASE_CR1_CU:
323 case I40E_PHY_TYPE_10GBASE_CR1:
324 ecmd->supported = SUPPORTED_Autoneg |
325 SUPPORTED_10000baseT_Full;
326 ecmd->advertising = ADVERTISED_Autoneg |
327 ADVERTISED_10000baseT_Full;
328 break;
329 case I40E_PHY_TYPE_XAUI:
330 case I40E_PHY_TYPE_XFI:
331 case I40E_PHY_TYPE_SFI:
332 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
333 case I40E_PHY_TYPE_10GBASE_AOC:
334 ecmd->supported = SUPPORTED_10000baseT_Full;
335 break;
336 case I40E_PHY_TYPE_SGMII:
337 ecmd->supported = SUPPORTED_Autoneg |
338 SUPPORTED_1000baseT_Full;
339 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
340 ecmd->advertising |= ADVERTISED_1000baseT_Full;
341 if (pf->hw.mac.type == I40E_MAC_X722) {
342 ecmd->supported |= SUPPORTED_100baseT_Full;
343 if (hw_link_info->requested_speeds &
344 I40E_LINK_SPEED_100MB)
345 ecmd->advertising |= ADVERTISED_100baseT_Full;
346 }
347 break;
348 /* Backplane is set based on supported phy types in get_settings
349 * so don't set anything here but don't warn either
350 */
351 case I40E_PHY_TYPE_40GBASE_KR4:
352 case I40E_PHY_TYPE_20GBASE_KR2:
353 case I40E_PHY_TYPE_10GBASE_KR:
354 case I40E_PHY_TYPE_10GBASE_KX4:
355 case I40E_PHY_TYPE_1000BASE_KX:
356 break;
357 default:
358 /* if we got here and link is up something bad is afoot */
359 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
360 hw_link_info->phy_type);
361 }
362
363 /* Set speed and duplex */
364 switch (link_speed) {
365 case I40E_LINK_SPEED_40GB:
366 ethtool_cmd_speed_set(ecmd, SPEED_40000);
367 break;
368 case I40E_LINK_SPEED_20GB:
369 ethtool_cmd_speed_set(ecmd, SPEED_20000);
370 break;
371 case I40E_LINK_SPEED_10GB:
372 ethtool_cmd_speed_set(ecmd, SPEED_10000);
373 break;
374 case I40E_LINK_SPEED_1GB:
375 ethtool_cmd_speed_set(ecmd, SPEED_1000);
376 break;
377 case I40E_LINK_SPEED_100MB:
378 ethtool_cmd_speed_set(ecmd, SPEED_100);
379 break;
380 default:
381 break;
382 }
383 ecmd->duplex = DUPLEX_FULL;
384 }
385
386 /**
387 * i40e_get_settings_link_down - Get the Link settings for when link is down
388 * @hw: hw structure
389 * @ecmd: ethtool command to fill in
390 *
391 * Reports link settings that can be determined when link is down
392 **/
393 static void i40e_get_settings_link_down(struct i40e_hw *hw,
394 struct ethtool_cmd *ecmd,
395 struct i40e_pf *pf)
396 {
397 enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types;
398
399 /* link is down and the driver needs to fall back on
400 * supported phy types to figure out what info to display
401 */
402 ecmd->supported = 0x0;
403 ecmd->advertising = 0x0;
404 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
405 ecmd->supported |= SUPPORTED_Autoneg |
406 SUPPORTED_1000baseT_Full;
407 ecmd->advertising |= ADVERTISED_Autoneg |
408 ADVERTISED_1000baseT_Full;
409 if (pf->hw.mac.type == I40E_MAC_X722) {
410 ecmd->supported |= SUPPORTED_100baseT_Full;
411 ecmd->advertising |= ADVERTISED_100baseT_Full;
412 }
413 }
414 if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
415 phy_types & I40E_CAP_PHY_TYPE_XFI ||
416 phy_types & I40E_CAP_PHY_TYPE_SFI ||
417 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
418 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
419 ecmd->supported |= SUPPORTED_10000baseT_Full;
420 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
421 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
422 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
423 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
424 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
425 ecmd->supported |= SUPPORTED_Autoneg |
426 SUPPORTED_10000baseT_Full;
427 ecmd->advertising |= ADVERTISED_Autoneg |
428 ADVERTISED_10000baseT_Full;
429 }
430 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
431 phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
432 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
433 ecmd->supported |= SUPPORTED_40000baseCR4_Full;
434 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
435 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
436 ecmd->supported |= SUPPORTED_Autoneg |
437 SUPPORTED_40000baseCR4_Full;
438 ecmd->advertising |= ADVERTISED_Autoneg |
439 ADVERTISED_40000baseCR4_Full;
440 }
441 if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) &&
442 !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) {
443 ecmd->supported |= SUPPORTED_Autoneg |
444 SUPPORTED_100baseT_Full;
445 ecmd->advertising |= ADVERTISED_Autoneg |
446 ADVERTISED_100baseT_Full;
447 }
448 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
449 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
450 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
451 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
452 ecmd->supported |= SUPPORTED_Autoneg |
453 SUPPORTED_1000baseT_Full;
454 ecmd->advertising |= ADVERTISED_Autoneg |
455 ADVERTISED_1000baseT_Full;
456 }
457 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
458 ecmd->supported |= SUPPORTED_40000baseSR4_Full;
459 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
460 ecmd->supported |= SUPPORTED_40000baseLR4_Full;
461
462 /* With no link speed and duplex are unknown */
463 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
464 ecmd->duplex = DUPLEX_UNKNOWN;
465 }
466
467 /**
468 * i40e_get_settings - Get Link Speed and Duplex settings
469 * @netdev: network interface device structure
470 * @ecmd: ethtool command
471 *
472 * Reports speed/duplex settings based on media_type
473 **/
474 static int i40e_get_settings(struct net_device *netdev,
475 struct ethtool_cmd *ecmd)
476 {
477 struct i40e_netdev_priv *np = netdev_priv(netdev);
478 struct i40e_pf *pf = np->vsi->back;
479 struct i40e_hw *hw = &pf->hw;
480 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
481 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
482
483 if (link_up)
484 i40e_get_settings_link_up(hw, ecmd, netdev, pf);
485 else
486 i40e_get_settings_link_down(hw, ecmd, pf);
487
488 /* Now set the settings that don't rely on link being up/down */
489
490 /* For backplane, supported and advertised are only reliant on the
491 * phy types the NVM specifies are supported.
492 */
493 if (hw->device_id == I40E_DEV_ID_KX_B ||
494 hw->device_id == I40E_DEV_ID_KX_C ||
495 hw->device_id == I40E_DEV_ID_20G_KR2 ||
496 hw->device_id == I40E_DEV_ID_20G_KR2_A) {
497 ecmd->supported = SUPPORTED_Autoneg;
498 ecmd->advertising = ADVERTISED_Autoneg;
499 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
500 ecmd->supported |= SUPPORTED_40000baseKR4_Full;
501 ecmd->advertising |= ADVERTISED_40000baseKR4_Full;
502 }
503 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
504 ecmd->supported |= SUPPORTED_20000baseKR2_Full;
505 ecmd->advertising |= ADVERTISED_20000baseKR2_Full;
506 }
507 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
508 ecmd->supported |= SUPPORTED_10000baseKR_Full;
509 ecmd->advertising |= ADVERTISED_10000baseKR_Full;
510 }
511 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
512 ecmd->supported |= SUPPORTED_10000baseKX4_Full;
513 ecmd->advertising |= ADVERTISED_10000baseKX4_Full;
514 }
515 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
516 ecmd->supported |= SUPPORTED_1000baseKX_Full;
517 ecmd->advertising |= ADVERTISED_1000baseKX_Full;
518 }
519 }
520
521 /* Set autoneg settings */
522 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
523 AUTONEG_ENABLE : AUTONEG_DISABLE);
524
525 switch (hw->phy.media_type) {
526 case I40E_MEDIA_TYPE_BACKPLANE:
527 ecmd->supported |= SUPPORTED_Autoneg |
528 SUPPORTED_Backplane;
529 ecmd->advertising |= ADVERTISED_Autoneg |
530 ADVERTISED_Backplane;
531 ecmd->port = PORT_NONE;
532 break;
533 case I40E_MEDIA_TYPE_BASET:
534 ecmd->supported |= SUPPORTED_TP;
535 ecmd->advertising |= ADVERTISED_TP;
536 ecmd->port = PORT_TP;
537 break;
538 case I40E_MEDIA_TYPE_DA:
539 case I40E_MEDIA_TYPE_CX4:
540 ecmd->supported |= SUPPORTED_FIBRE;
541 ecmd->advertising |= ADVERTISED_FIBRE;
542 ecmd->port = PORT_DA;
543 break;
544 case I40E_MEDIA_TYPE_FIBER:
545 ecmd->supported |= SUPPORTED_FIBRE;
546 ecmd->port = PORT_FIBRE;
547 break;
548 case I40E_MEDIA_TYPE_UNKNOWN:
549 default:
550 ecmd->port = PORT_OTHER;
551 break;
552 }
553
554 /* Set transceiver */
555 ecmd->transceiver = XCVR_EXTERNAL;
556
557 /* Set flow control settings */
558 ecmd->supported |= SUPPORTED_Pause;
559
560 switch (hw->fc.requested_mode) {
561 case I40E_FC_FULL:
562 ecmd->advertising |= ADVERTISED_Pause;
563 break;
564 case I40E_FC_TX_PAUSE:
565 ecmd->advertising |= ADVERTISED_Asym_Pause;
566 break;
567 case I40E_FC_RX_PAUSE:
568 ecmd->advertising |= (ADVERTISED_Pause |
569 ADVERTISED_Asym_Pause);
570 break;
571 default:
572 ecmd->advertising &= ~(ADVERTISED_Pause |
573 ADVERTISED_Asym_Pause);
574 break;
575 }
576
577 return 0;
578 }
579
580 /**
581 * i40e_set_settings - Set Speed and Duplex
582 * @netdev: network interface device structure
583 * @ecmd: ethtool command
584 *
585 * Set speed/duplex per media_types advertised/forced
586 **/
587 static int i40e_set_settings(struct net_device *netdev,
588 struct ethtool_cmd *ecmd)
589 {
590 struct i40e_netdev_priv *np = netdev_priv(netdev);
591 struct i40e_aq_get_phy_abilities_resp abilities;
592 struct i40e_aq_set_phy_config config;
593 struct i40e_pf *pf = np->vsi->back;
594 struct i40e_vsi *vsi = np->vsi;
595 struct i40e_hw *hw = &pf->hw;
596 struct ethtool_cmd safe_ecmd;
597 i40e_status status = 0;
598 bool change = false;
599 int err = 0;
600 u8 autoneg;
601 u32 advertise;
602
603 /* Changing port settings is not supported if this isn't the
604 * port's controlling PF
605 */
606 if (hw->partition_id != 1) {
607 i40e_partition_setting_complaint(pf);
608 return -EOPNOTSUPP;
609 }
610
611 if (vsi != pf->vsi[pf->lan_vsi])
612 return -EOPNOTSUPP;
613
614 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
615 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
616 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
617 hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
618 return -EOPNOTSUPP;
619
620 if (hw->device_id == I40E_DEV_ID_KX_B ||
621 hw->device_id == I40E_DEV_ID_KX_C ||
622 hw->device_id == I40E_DEV_ID_20G_KR2 ||
623 hw->device_id == I40E_DEV_ID_20G_KR2_A) {
624 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
625 return -EOPNOTSUPP;
626 }
627
628 /* get our own copy of the bits to check against */
629 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
630 i40e_get_settings(netdev, &safe_ecmd);
631
632 /* save autoneg and speed out of ecmd */
633 autoneg = ecmd->autoneg;
634 advertise = ecmd->advertising;
635
636 /* set autoneg and speed back to what they currently are */
637 ecmd->autoneg = safe_ecmd.autoneg;
638 ecmd->advertising = safe_ecmd.advertising;
639
640 ecmd->cmd = safe_ecmd.cmd;
641 /* If ecmd and safe_ecmd are not the same now, then they are
642 * trying to set something that we do not support
643 */
644 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
645 return -EOPNOTSUPP;
646
647 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
648 usleep_range(1000, 2000);
649
650 /* Get the current phy config */
651 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
652 NULL);
653 if (status)
654 return -EAGAIN;
655
656 /* Copy abilities to config in case autoneg is not
657 * set below
658 */
659 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
660 config.abilities = abilities.abilities;
661
662 /* Check autoneg */
663 if (autoneg == AUTONEG_ENABLE) {
664 /* If autoneg was not already enabled */
665 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
666 /* If autoneg is not supported, return error */
667 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
668 netdev_info(netdev, "Autoneg not supported on this phy\n");
669 return -EINVAL;
670 }
671 /* Autoneg is allowed to change */
672 config.abilities = abilities.abilities |
673 I40E_AQ_PHY_ENABLE_AN;
674 change = true;
675 }
676 } else {
677 /* If autoneg is currently enabled */
678 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
679 /* If autoneg is supported 10GBASE_T is the only PHY
680 * that can disable it, so otherwise return error
681 */
682 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
683 hw->phy.link_info.phy_type !=
684 I40E_PHY_TYPE_10GBASE_T) {
685 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
686 return -EINVAL;
687 }
688 /* Autoneg is allowed to change */
689 config.abilities = abilities.abilities &
690 ~I40E_AQ_PHY_ENABLE_AN;
691 change = true;
692 }
693 }
694
695 if (advertise & ~safe_ecmd.supported)
696 return -EINVAL;
697
698 if (advertise & ADVERTISED_100baseT_Full)
699 config.link_speed |= I40E_LINK_SPEED_100MB;
700 if (advertise & ADVERTISED_1000baseT_Full ||
701 advertise & ADVERTISED_1000baseKX_Full)
702 config.link_speed |= I40E_LINK_SPEED_1GB;
703 if (advertise & ADVERTISED_10000baseT_Full ||
704 advertise & ADVERTISED_10000baseKX4_Full ||
705 advertise & ADVERTISED_10000baseKR_Full)
706 config.link_speed |= I40E_LINK_SPEED_10GB;
707 if (advertise & ADVERTISED_20000baseKR2_Full)
708 config.link_speed |= I40E_LINK_SPEED_20GB;
709 if (advertise & ADVERTISED_40000baseKR4_Full ||
710 advertise & ADVERTISED_40000baseCR4_Full ||
711 advertise & ADVERTISED_40000baseSR4_Full ||
712 advertise & ADVERTISED_40000baseLR4_Full)
713 config.link_speed |= I40E_LINK_SPEED_40GB;
714
715 /* If speed didn't get set, set it to what it currently is.
716 * This is needed because if advertise is 0 (as it is when autoneg
717 * is disabled) then speed won't get set.
718 */
719 if (!config.link_speed)
720 config.link_speed = abilities.link_speed;
721
722 if (change || (abilities.link_speed != config.link_speed)) {
723 /* copy over the rest of the abilities */
724 config.phy_type = abilities.phy_type;
725 config.eee_capability = abilities.eee_capability;
726 config.eeer = abilities.eeer_val;
727 config.low_power_ctrl = abilities.d3_lpan;
728
729 /* save the requested speeds */
730 hw->phy.link_info.requested_speeds = config.link_speed;
731 /* set link and auto negotiation so changes take effect */
732 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
733 /* If link is up put link down */
734 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
735 /* Tell the OS link is going down, the link will go
736 * back up when fw says it is ready asynchronously
737 */
738 i40e_print_link_message(vsi, false);
739 netif_carrier_off(netdev);
740 netif_tx_stop_all_queues(netdev);
741 }
742
743 /* make the aq call */
744 status = i40e_aq_set_phy_config(hw, &config, NULL);
745 if (status) {
746 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
747 i40e_stat_str(hw, status),
748 i40e_aq_str(hw, hw->aq.asq_last_status));
749 return -EAGAIN;
750 }
751
752 status = i40e_update_link_info(hw);
753 if (status)
754 netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n",
755 i40e_stat_str(hw, status),
756 i40e_aq_str(hw, hw->aq.asq_last_status));
757
758 } else {
759 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
760 }
761
762 return err;
763 }
764
765 static int i40e_nway_reset(struct net_device *netdev)
766 {
767 /* restart autonegotiation */
768 struct i40e_netdev_priv *np = netdev_priv(netdev);
769 struct i40e_pf *pf = np->vsi->back;
770 struct i40e_hw *hw = &pf->hw;
771 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
772 i40e_status ret = 0;
773
774 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
775 if (ret) {
776 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
777 i40e_stat_str(hw, ret),
778 i40e_aq_str(hw, hw->aq.asq_last_status));
779 return -EIO;
780 }
781
782 return 0;
783 }
784
785 /**
786 * i40e_get_pauseparam - Get Flow Control status
787 * Return tx/rx-pause status
788 **/
789 static void i40e_get_pauseparam(struct net_device *netdev,
790 struct ethtool_pauseparam *pause)
791 {
792 struct i40e_netdev_priv *np = netdev_priv(netdev);
793 struct i40e_pf *pf = np->vsi->back;
794 struct i40e_hw *hw = &pf->hw;
795 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
796 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
797
798 pause->autoneg =
799 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
800 AUTONEG_ENABLE : AUTONEG_DISABLE);
801
802 /* PFC enabled so report LFC as off */
803 if (dcbx_cfg->pfc.pfcenable) {
804 pause->rx_pause = 0;
805 pause->tx_pause = 0;
806 return;
807 }
808
809 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
810 pause->rx_pause = 1;
811 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
812 pause->tx_pause = 1;
813 } else if (hw->fc.current_mode == I40E_FC_FULL) {
814 pause->rx_pause = 1;
815 pause->tx_pause = 1;
816 }
817 }
818
819 /**
820 * i40e_set_pauseparam - Set Flow Control parameter
821 * @netdev: network interface device structure
822 * @pause: return tx/rx flow control status
823 **/
824 static int i40e_set_pauseparam(struct net_device *netdev,
825 struct ethtool_pauseparam *pause)
826 {
827 struct i40e_netdev_priv *np = netdev_priv(netdev);
828 struct i40e_pf *pf = np->vsi->back;
829 struct i40e_vsi *vsi = np->vsi;
830 struct i40e_hw *hw = &pf->hw;
831 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
832 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
833 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
834 i40e_status status;
835 u8 aq_failures;
836 int err = 0;
837
838 /* Changing the port's flow control is not supported if this isn't the
839 * port's controlling PF
840 */
841 if (hw->partition_id != 1) {
842 i40e_partition_setting_complaint(pf);
843 return -EOPNOTSUPP;
844 }
845
846 if (vsi != pf->vsi[pf->lan_vsi])
847 return -EOPNOTSUPP;
848
849 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
850 AUTONEG_ENABLE : AUTONEG_DISABLE)) {
851 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
852 return -EOPNOTSUPP;
853 }
854
855 /* If we have link and don't have autoneg */
856 if (!test_bit(__I40E_DOWN, &pf->state) &&
857 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
858 /* Send message that it might not necessarily work*/
859 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
860 }
861
862 if (dcbx_cfg->pfc.pfcenable) {
863 netdev_info(netdev,
864 "Priority flow control enabled. Cannot set link flow control.\n");
865 return -EOPNOTSUPP;
866 }
867
868 if (pause->rx_pause && pause->tx_pause)
869 hw->fc.requested_mode = I40E_FC_FULL;
870 else if (pause->rx_pause && !pause->tx_pause)
871 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
872 else if (!pause->rx_pause && pause->tx_pause)
873 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
874 else if (!pause->rx_pause && !pause->tx_pause)
875 hw->fc.requested_mode = I40E_FC_NONE;
876 else
877 return -EINVAL;
878
879 /* Tell the OS link is going down, the link will go back up when fw
880 * says it is ready asynchronously
881 */
882 i40e_print_link_message(vsi, false);
883 netif_carrier_off(netdev);
884 netif_tx_stop_all_queues(netdev);
885
886 /* Set the fc mode and only restart an if link is up*/
887 status = i40e_set_fc(hw, &aq_failures, link_up);
888
889 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
890 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
891 i40e_stat_str(hw, status),
892 i40e_aq_str(hw, hw->aq.asq_last_status));
893 err = -EAGAIN;
894 }
895 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
896 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
897 i40e_stat_str(hw, status),
898 i40e_aq_str(hw, hw->aq.asq_last_status));
899 err = -EAGAIN;
900 }
901 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
902 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
903 i40e_stat_str(hw, status),
904 i40e_aq_str(hw, hw->aq.asq_last_status));
905 err = -EAGAIN;
906 }
907
908 if (!test_bit(__I40E_DOWN, &pf->state)) {
909 /* Give it a little more time to try to come back */
910 msleep(75);
911 if (!test_bit(__I40E_DOWN, &pf->state))
912 return i40e_nway_reset(netdev);
913 }
914
915 return err;
916 }
917
918 static u32 i40e_get_msglevel(struct net_device *netdev)
919 {
920 struct i40e_netdev_priv *np = netdev_priv(netdev);
921 struct i40e_pf *pf = np->vsi->back;
922
923 return pf->msg_enable;
924 }
925
926 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
927 {
928 struct i40e_netdev_priv *np = netdev_priv(netdev);
929 struct i40e_pf *pf = np->vsi->back;
930
931 if (I40E_DEBUG_USER & data)
932 pf->hw.debug_mask = data;
933 pf->msg_enable = data;
934 }
935
936 static int i40e_get_regs_len(struct net_device *netdev)
937 {
938 int reg_count = 0;
939 int i;
940
941 for (i = 0; i40e_reg_list[i].offset != 0; i++)
942 reg_count += i40e_reg_list[i].elements;
943
944 return reg_count * sizeof(u32);
945 }
946
947 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
948 void *p)
949 {
950 struct i40e_netdev_priv *np = netdev_priv(netdev);
951 struct i40e_pf *pf = np->vsi->back;
952 struct i40e_hw *hw = &pf->hw;
953 u32 *reg_buf = p;
954 int i, j, ri;
955 u32 reg;
956
957 /* Tell ethtool which driver-version-specific regs output we have.
958 *
959 * At some point, if we have ethtool doing special formatting of
960 * this data, it will rely on this version number to know how to
961 * interpret things. Hence, this needs to be updated if/when the
962 * diags register table is changed.
963 */
964 regs->version = 1;
965
966 /* loop through the diags reg table for what to print */
967 ri = 0;
968 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
969 for (j = 0; j < i40e_reg_list[i].elements; j++) {
970 reg = i40e_reg_list[i].offset
971 + (j * i40e_reg_list[i].stride);
972 reg_buf[ri++] = rd32(hw, reg);
973 }
974 }
975
976 }
977
978 static int i40e_get_eeprom(struct net_device *netdev,
979 struct ethtool_eeprom *eeprom, u8 *bytes)
980 {
981 struct i40e_netdev_priv *np = netdev_priv(netdev);
982 struct i40e_hw *hw = &np->vsi->back->hw;
983 struct i40e_pf *pf = np->vsi->back;
984 int ret_val = 0, len, offset;
985 u8 *eeprom_buff;
986 u16 i, sectors;
987 bool last;
988 u32 magic;
989
990 #define I40E_NVM_SECTOR_SIZE 4096
991 if (eeprom->len == 0)
992 return -EINVAL;
993
994 /* check for NVMUpdate access method */
995 magic = hw->vendor_id | (hw->device_id << 16);
996 if (eeprom->magic && eeprom->magic != magic) {
997 struct i40e_nvm_access *cmd;
998 int errno;
999
1000 /* make sure it is the right magic for NVMUpdate */
1001 if ((eeprom->magic >> 16) != hw->device_id)
1002 return -EINVAL;
1003
1004 cmd = (struct i40e_nvm_access *)eeprom;
1005 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1006 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM))
1007 dev_info(&pf->pdev->dev,
1008 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1009 ret_val, hw->aq.asq_last_status, errno,
1010 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1011 cmd->offset, cmd->data_size);
1012
1013 return errno;
1014 }
1015
1016 /* normal ethtool get_eeprom support */
1017 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1018
1019 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1020 if (!eeprom_buff)
1021 return -ENOMEM;
1022
1023 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1024 if (ret_val) {
1025 dev_info(&pf->pdev->dev,
1026 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1027 ret_val, hw->aq.asq_last_status);
1028 goto free_buff;
1029 }
1030
1031 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1032 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1033 len = I40E_NVM_SECTOR_SIZE;
1034 last = false;
1035 for (i = 0; i < sectors; i++) {
1036 if (i == (sectors - 1)) {
1037 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1038 last = true;
1039 }
1040 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1041 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1042 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1043 last, NULL);
1044 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1045 dev_info(&pf->pdev->dev,
1046 "read NVM failed, invalid offset 0x%x\n",
1047 offset);
1048 break;
1049 } else if (ret_val &&
1050 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1051 dev_info(&pf->pdev->dev,
1052 "read NVM failed, access, offset 0x%x\n",
1053 offset);
1054 break;
1055 } else if (ret_val) {
1056 dev_info(&pf->pdev->dev,
1057 "read NVM failed offset %d err=%d status=0x%x\n",
1058 offset, ret_val, hw->aq.asq_last_status);
1059 break;
1060 }
1061 }
1062
1063 i40e_release_nvm(hw);
1064 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1065 free_buff:
1066 kfree(eeprom_buff);
1067 return ret_val;
1068 }
1069
1070 static int i40e_get_eeprom_len(struct net_device *netdev)
1071 {
1072 struct i40e_netdev_priv *np = netdev_priv(netdev);
1073 struct i40e_hw *hw = &np->vsi->back->hw;
1074 u32 val;
1075
1076 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1077 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1078 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1079 /* register returns value in power of 2, 64Kbyte chunks. */
1080 val = (64 * 1024) * BIT(val);
1081 return val;
1082 }
1083
1084 static int i40e_set_eeprom(struct net_device *netdev,
1085 struct ethtool_eeprom *eeprom, u8 *bytes)
1086 {
1087 struct i40e_netdev_priv *np = netdev_priv(netdev);
1088 struct i40e_hw *hw = &np->vsi->back->hw;
1089 struct i40e_pf *pf = np->vsi->back;
1090 struct i40e_nvm_access *cmd;
1091 int ret_val = 0;
1092 int errno;
1093 u32 magic;
1094
1095 /* normal ethtool set_eeprom is not supported */
1096 magic = hw->vendor_id | (hw->device_id << 16);
1097 if (eeprom->magic == magic)
1098 return -EOPNOTSUPP;
1099
1100 /* check for NVMUpdate access method */
1101 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1102 return -EINVAL;
1103
1104 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1105 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1106 return -EBUSY;
1107
1108 cmd = (struct i40e_nvm_access *)eeprom;
1109 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1110 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM))
1111 dev_info(&pf->pdev->dev,
1112 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1113 ret_val, hw->aq.asq_last_status, errno,
1114 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1115 cmd->offset, cmd->data_size);
1116
1117 return errno;
1118 }
1119
1120 static void i40e_get_drvinfo(struct net_device *netdev,
1121 struct ethtool_drvinfo *drvinfo)
1122 {
1123 struct i40e_netdev_priv *np = netdev_priv(netdev);
1124 struct i40e_vsi *vsi = np->vsi;
1125 struct i40e_pf *pf = vsi->back;
1126
1127 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1128 strlcpy(drvinfo->version, i40e_driver_version_str,
1129 sizeof(drvinfo->version));
1130 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
1131 sizeof(drvinfo->fw_version));
1132 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1133 sizeof(drvinfo->bus_info));
1134 }
1135
1136 static void i40e_get_ringparam(struct net_device *netdev,
1137 struct ethtool_ringparam *ring)
1138 {
1139 struct i40e_netdev_priv *np = netdev_priv(netdev);
1140 struct i40e_pf *pf = np->vsi->back;
1141 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1142
1143 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1144 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1145 ring->rx_mini_max_pending = 0;
1146 ring->rx_jumbo_max_pending = 0;
1147 ring->rx_pending = vsi->rx_rings[0]->count;
1148 ring->tx_pending = vsi->tx_rings[0]->count;
1149 ring->rx_mini_pending = 0;
1150 ring->rx_jumbo_pending = 0;
1151 }
1152
1153 static int i40e_set_ringparam(struct net_device *netdev,
1154 struct ethtool_ringparam *ring)
1155 {
1156 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1157 struct i40e_netdev_priv *np = netdev_priv(netdev);
1158 struct i40e_vsi *vsi = np->vsi;
1159 struct i40e_pf *pf = vsi->back;
1160 u32 new_rx_count, new_tx_count;
1161 int i, err = 0;
1162
1163 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1164 return -EINVAL;
1165
1166 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1167 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1168 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1169 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1170 netdev_info(netdev,
1171 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1172 ring->tx_pending, ring->rx_pending,
1173 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1174 return -EINVAL;
1175 }
1176
1177 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1178 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1179
1180 /* if nothing to do return success */
1181 if ((new_tx_count == vsi->tx_rings[0]->count) &&
1182 (new_rx_count == vsi->rx_rings[0]->count))
1183 return 0;
1184
1185 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1186 usleep_range(1000, 2000);
1187
1188 if (!netif_running(vsi->netdev)) {
1189 /* simple case - set for the next time the netdev is started */
1190 for (i = 0; i < vsi->num_queue_pairs; i++) {
1191 vsi->tx_rings[i]->count = new_tx_count;
1192 vsi->rx_rings[i]->count = new_rx_count;
1193 }
1194 goto done;
1195 }
1196
1197 /* We can't just free everything and then setup again,
1198 * because the ISRs in MSI-X mode get passed pointers
1199 * to the Tx and Rx ring structs.
1200 */
1201
1202 /* alloc updated Tx resources */
1203 if (new_tx_count != vsi->tx_rings[0]->count) {
1204 netdev_info(netdev,
1205 "Changing Tx descriptor count from %d to %d.\n",
1206 vsi->tx_rings[0]->count, new_tx_count);
1207 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1208 sizeof(struct i40e_ring), GFP_KERNEL);
1209 if (!tx_rings) {
1210 err = -ENOMEM;
1211 goto done;
1212 }
1213
1214 for (i = 0; i < vsi->num_queue_pairs; i++) {
1215 /* clone ring and setup updated count */
1216 tx_rings[i] = *vsi->tx_rings[i];
1217 tx_rings[i].count = new_tx_count;
1218 /* the desc and bi pointers will be reallocated in the
1219 * setup call
1220 */
1221 tx_rings[i].desc = NULL;
1222 tx_rings[i].rx_bi = NULL;
1223 err = i40e_setup_tx_descriptors(&tx_rings[i]);
1224 if (err) {
1225 while (i) {
1226 i--;
1227 i40e_free_tx_resources(&tx_rings[i]);
1228 }
1229 kfree(tx_rings);
1230 tx_rings = NULL;
1231
1232 goto done;
1233 }
1234 }
1235 }
1236
1237 /* alloc updated Rx resources */
1238 if (new_rx_count != vsi->rx_rings[0]->count) {
1239 netdev_info(netdev,
1240 "Changing Rx descriptor count from %d to %d\n",
1241 vsi->rx_rings[0]->count, new_rx_count);
1242 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1243 sizeof(struct i40e_ring), GFP_KERNEL);
1244 if (!rx_rings) {
1245 err = -ENOMEM;
1246 goto free_tx;
1247 }
1248
1249 for (i = 0; i < vsi->num_queue_pairs; i++) {
1250 /* clone ring and setup updated count */
1251 rx_rings[i] = *vsi->rx_rings[i];
1252 rx_rings[i].count = new_rx_count;
1253 /* the desc and bi pointers will be reallocated in the
1254 * setup call
1255 */
1256 rx_rings[i].desc = NULL;
1257 rx_rings[i].rx_bi = NULL;
1258 err = i40e_setup_rx_descriptors(&rx_rings[i]);
1259 if (err) {
1260 while (i) {
1261 i--;
1262 i40e_free_rx_resources(&rx_rings[i]);
1263 }
1264 kfree(rx_rings);
1265 rx_rings = NULL;
1266
1267 goto free_tx;
1268 }
1269 }
1270 }
1271
1272 /* Bring interface down, copy in the new ring info,
1273 * then restore the interface
1274 */
1275 i40e_down(vsi);
1276
1277 if (tx_rings) {
1278 for (i = 0; i < vsi->num_queue_pairs; i++) {
1279 i40e_free_tx_resources(vsi->tx_rings[i]);
1280 *vsi->tx_rings[i] = tx_rings[i];
1281 }
1282 kfree(tx_rings);
1283 tx_rings = NULL;
1284 }
1285
1286 if (rx_rings) {
1287 for (i = 0; i < vsi->num_queue_pairs; i++) {
1288 i40e_free_rx_resources(vsi->rx_rings[i]);
1289 *vsi->rx_rings[i] = rx_rings[i];
1290 }
1291 kfree(rx_rings);
1292 rx_rings = NULL;
1293 }
1294
1295 i40e_up(vsi);
1296
1297 free_tx:
1298 /* error cleanup if the Rx allocations failed after getting Tx */
1299 if (tx_rings) {
1300 for (i = 0; i < vsi->num_queue_pairs; i++)
1301 i40e_free_tx_resources(&tx_rings[i]);
1302 kfree(tx_rings);
1303 tx_rings = NULL;
1304 }
1305
1306 done:
1307 clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1308
1309 return err;
1310 }
1311
1312 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1313 {
1314 struct i40e_netdev_priv *np = netdev_priv(netdev);
1315 struct i40e_vsi *vsi = np->vsi;
1316 struct i40e_pf *pf = vsi->back;
1317
1318 switch (sset) {
1319 case ETH_SS_TEST:
1320 return I40E_TEST_LEN;
1321 case ETH_SS_STATS:
1322 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1323 int len = I40E_PF_STATS_LEN(netdev);
1324
1325 if ((pf->lan_veb != I40E_NO_VEB) &&
1326 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1327 len += I40E_VEB_STATS_TOTAL;
1328 return len;
1329 } else {
1330 return I40E_VSI_STATS_LEN(netdev);
1331 }
1332 case ETH_SS_PRIV_FLAGS:
1333 return I40E_PRIV_FLAGS_STR_LEN;
1334 default:
1335 return -EOPNOTSUPP;
1336 }
1337 }
1338
1339 static void i40e_get_ethtool_stats(struct net_device *netdev,
1340 struct ethtool_stats *stats, u64 *data)
1341 {
1342 struct i40e_netdev_priv *np = netdev_priv(netdev);
1343 struct i40e_ring *tx_ring, *rx_ring;
1344 struct i40e_vsi *vsi = np->vsi;
1345 struct i40e_pf *pf = vsi->back;
1346 int i = 0;
1347 char *p;
1348 int j;
1349 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1350 unsigned int start;
1351
1352 i40e_update_stats(vsi);
1353
1354 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1355 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1356 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1357 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1358 }
1359 for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1360 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1361 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1362 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1363 }
1364 #ifdef I40E_FCOE
1365 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1366 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1367 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1368 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1369 }
1370 #endif
1371 rcu_read_lock();
1372 for (j = 0; j < vsi->num_queue_pairs; j++) {
1373 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1374
1375 if (!tx_ring)
1376 continue;
1377
1378 /* process Tx ring statistics */
1379 do {
1380 start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1381 data[i] = tx_ring->stats.packets;
1382 data[i + 1] = tx_ring->stats.bytes;
1383 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1384 i += 2;
1385
1386 /* Rx ring is the 2nd half of the queue pair */
1387 rx_ring = &tx_ring[1];
1388 do {
1389 start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1390 data[i] = rx_ring->stats.packets;
1391 data[i + 1] = rx_ring->stats.bytes;
1392 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1393 i += 2;
1394 }
1395 rcu_read_unlock();
1396 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1397 return;
1398
1399 if ((pf->lan_veb != I40E_NO_VEB) &&
1400 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1401 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1402
1403 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1404 p = (char *)veb;
1405 p += i40e_gstrings_veb_stats[j].stat_offset;
1406 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1407 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1408 }
1409 }
1410 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1411 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1412 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1413 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1414 }
1415 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1416 data[i++] = pf->stats.priority_xon_tx[j];
1417 data[i++] = pf->stats.priority_xoff_tx[j];
1418 }
1419 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1420 data[i++] = pf->stats.priority_xon_rx[j];
1421 data[i++] = pf->stats.priority_xoff_rx[j];
1422 }
1423 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1424 data[i++] = pf->stats.priority_xon_2_xoff[j];
1425 }
1426
1427 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1428 u8 *data)
1429 {
1430 struct i40e_netdev_priv *np = netdev_priv(netdev);
1431 struct i40e_vsi *vsi = np->vsi;
1432 struct i40e_pf *pf = vsi->back;
1433 char *p = (char *)data;
1434 int i;
1435
1436 switch (stringset) {
1437 case ETH_SS_TEST:
1438 for (i = 0; i < I40E_TEST_LEN; i++) {
1439 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1440 data += ETH_GSTRING_LEN;
1441 }
1442 break;
1443 case ETH_SS_STATS:
1444 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1445 snprintf(p, ETH_GSTRING_LEN, "%s",
1446 i40e_gstrings_net_stats[i].stat_string);
1447 p += ETH_GSTRING_LEN;
1448 }
1449 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1450 snprintf(p, ETH_GSTRING_LEN, "%s",
1451 i40e_gstrings_misc_stats[i].stat_string);
1452 p += ETH_GSTRING_LEN;
1453 }
1454 #ifdef I40E_FCOE
1455 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1456 snprintf(p, ETH_GSTRING_LEN, "%s",
1457 i40e_gstrings_fcoe_stats[i].stat_string);
1458 p += ETH_GSTRING_LEN;
1459 }
1460 #endif
1461 for (i = 0; i < vsi->num_queue_pairs; i++) {
1462 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1463 p += ETH_GSTRING_LEN;
1464 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1465 p += ETH_GSTRING_LEN;
1466 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1467 p += ETH_GSTRING_LEN;
1468 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1469 p += ETH_GSTRING_LEN;
1470 }
1471 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1472 return;
1473
1474 if ((pf->lan_veb != I40E_NO_VEB) &&
1475 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1476 for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1477 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1478 i40e_gstrings_veb_stats[i].stat_string);
1479 p += ETH_GSTRING_LEN;
1480 }
1481 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1482 snprintf(p, ETH_GSTRING_LEN,
1483 "veb.tc_%u_tx_packets", i);
1484 p += ETH_GSTRING_LEN;
1485 snprintf(p, ETH_GSTRING_LEN,
1486 "veb.tc_%u_tx_bytes", i);
1487 p += ETH_GSTRING_LEN;
1488 snprintf(p, ETH_GSTRING_LEN,
1489 "veb.tc_%u_rx_packets", i);
1490 p += ETH_GSTRING_LEN;
1491 snprintf(p, ETH_GSTRING_LEN,
1492 "veb.tc_%u_rx_bytes", i);
1493 p += ETH_GSTRING_LEN;
1494 }
1495 }
1496 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1497 snprintf(p, ETH_GSTRING_LEN, "port.%s",
1498 i40e_gstrings_stats[i].stat_string);
1499 p += ETH_GSTRING_LEN;
1500 }
1501 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1502 snprintf(p, ETH_GSTRING_LEN,
1503 "port.tx_priority_%u_xon", i);
1504 p += ETH_GSTRING_LEN;
1505 snprintf(p, ETH_GSTRING_LEN,
1506 "port.tx_priority_%u_xoff", i);
1507 p += ETH_GSTRING_LEN;
1508 }
1509 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1510 snprintf(p, ETH_GSTRING_LEN,
1511 "port.rx_priority_%u_xon", i);
1512 p += ETH_GSTRING_LEN;
1513 snprintf(p, ETH_GSTRING_LEN,
1514 "port.rx_priority_%u_xoff", i);
1515 p += ETH_GSTRING_LEN;
1516 }
1517 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1518 snprintf(p, ETH_GSTRING_LEN,
1519 "port.rx_priority_%u_xon_2_xoff", i);
1520 p += ETH_GSTRING_LEN;
1521 }
1522 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1523 break;
1524 case ETH_SS_PRIV_FLAGS:
1525 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1526 memcpy(data, i40e_priv_flags_strings[i],
1527 ETH_GSTRING_LEN);
1528 data += ETH_GSTRING_LEN;
1529 }
1530 break;
1531 default:
1532 break;
1533 }
1534 }
1535
1536 static int i40e_get_ts_info(struct net_device *dev,
1537 struct ethtool_ts_info *info)
1538 {
1539 struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1540
1541 /* only report HW timestamping if PTP is enabled */
1542 if (!(pf->flags & I40E_FLAG_PTP))
1543 return ethtool_op_get_ts_info(dev, info);
1544
1545 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1546 SOF_TIMESTAMPING_RX_SOFTWARE |
1547 SOF_TIMESTAMPING_SOFTWARE |
1548 SOF_TIMESTAMPING_TX_HARDWARE |
1549 SOF_TIMESTAMPING_RX_HARDWARE |
1550 SOF_TIMESTAMPING_RAW_HARDWARE;
1551
1552 if (pf->ptp_clock)
1553 info->phc_index = ptp_clock_index(pf->ptp_clock);
1554 else
1555 info->phc_index = -1;
1556
1557 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1558
1559 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1560 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1561 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1562
1563 return 0;
1564 }
1565
1566 static int i40e_link_test(struct net_device *netdev, u64 *data)
1567 {
1568 struct i40e_netdev_priv *np = netdev_priv(netdev);
1569 struct i40e_pf *pf = np->vsi->back;
1570 i40e_status status;
1571 bool link_up = false;
1572
1573 netif_info(pf, hw, netdev, "link test\n");
1574 status = i40e_get_link_status(&pf->hw, &link_up);
1575 if (status) {
1576 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1577 *data = 1;
1578 return *data;
1579 }
1580
1581 if (link_up)
1582 *data = 0;
1583 else
1584 *data = 1;
1585
1586 return *data;
1587 }
1588
1589 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1590 {
1591 struct i40e_netdev_priv *np = netdev_priv(netdev);
1592 struct i40e_pf *pf = np->vsi->back;
1593
1594 netif_info(pf, hw, netdev, "register test\n");
1595 *data = i40e_diag_reg_test(&pf->hw);
1596
1597 return *data;
1598 }
1599
1600 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1601 {
1602 struct i40e_netdev_priv *np = netdev_priv(netdev);
1603 struct i40e_pf *pf = np->vsi->back;
1604
1605 netif_info(pf, hw, netdev, "eeprom test\n");
1606 *data = i40e_diag_eeprom_test(&pf->hw);
1607
1608 /* forcebly clear the NVM Update state machine */
1609 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1610
1611 return *data;
1612 }
1613
1614 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1615 {
1616 struct i40e_netdev_priv *np = netdev_priv(netdev);
1617 struct i40e_pf *pf = np->vsi->back;
1618 u16 swc_old = pf->sw_int_count;
1619
1620 netif_info(pf, hw, netdev, "interrupt test\n");
1621 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1622 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1623 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1624 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1625 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1626 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1627 usleep_range(1000, 2000);
1628 *data = (swc_old == pf->sw_int_count);
1629
1630 return *data;
1631 }
1632
1633 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1634 {
1635 struct i40e_netdev_priv *np = netdev_priv(netdev);
1636 struct i40e_pf *pf = np->vsi->back;
1637
1638 netif_info(pf, hw, netdev, "loopback test not implemented\n");
1639 *data = 0;
1640
1641 return *data;
1642 }
1643
1644 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1645 {
1646 struct i40e_vf *vfs = pf->vf;
1647 int i;
1648
1649 for (i = 0; i < pf->num_alloc_vfs; i++)
1650 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1651 return true;
1652 return false;
1653 }
1654
1655 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1656 {
1657 struct i40e_vsi **vsi = pf->vsi;
1658 int i;
1659
1660 for (i = 0; i < pf->num_alloc_vsi; i++) {
1661 if (!vsi[i])
1662 continue;
1663 if (vsi[i]->type == I40E_VSI_VMDQ2)
1664 return true;
1665 }
1666
1667 return false;
1668 }
1669
1670 static void i40e_diag_test(struct net_device *netdev,
1671 struct ethtool_test *eth_test, u64 *data)
1672 {
1673 struct i40e_netdev_priv *np = netdev_priv(netdev);
1674 bool if_running = netif_running(netdev);
1675 struct i40e_pf *pf = np->vsi->back;
1676
1677 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1678 /* Offline tests */
1679 netif_info(pf, drv, netdev, "offline testing starting\n");
1680
1681 set_bit(__I40E_TESTING, &pf->state);
1682
1683 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1684 dev_warn(&pf->pdev->dev,
1685 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1686 data[I40E_ETH_TEST_REG] = 1;
1687 data[I40E_ETH_TEST_EEPROM] = 1;
1688 data[I40E_ETH_TEST_INTR] = 1;
1689 data[I40E_ETH_TEST_LOOPBACK] = 1;
1690 data[I40E_ETH_TEST_LINK] = 1;
1691 eth_test->flags |= ETH_TEST_FL_FAILED;
1692 clear_bit(__I40E_TESTING, &pf->state);
1693 goto skip_ol_tests;
1694 }
1695
1696 /* If the device is online then take it offline */
1697 if (if_running)
1698 /* indicate we're in test mode */
1699 dev_close(netdev);
1700 else
1701 /* This reset does not affect link - if it is
1702 * changed to a type of reset that does affect
1703 * link then the following link test would have
1704 * to be moved to before the reset
1705 */
1706 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1707
1708 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1709 eth_test->flags |= ETH_TEST_FL_FAILED;
1710
1711 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1712 eth_test->flags |= ETH_TEST_FL_FAILED;
1713
1714 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1715 eth_test->flags |= ETH_TEST_FL_FAILED;
1716
1717 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1718 eth_test->flags |= ETH_TEST_FL_FAILED;
1719
1720 /* run reg test last, a reset is required after it */
1721 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1722 eth_test->flags |= ETH_TEST_FL_FAILED;
1723
1724 clear_bit(__I40E_TESTING, &pf->state);
1725 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1726
1727 if (if_running)
1728 dev_open(netdev);
1729 } else {
1730 /* Online tests */
1731 netif_info(pf, drv, netdev, "online testing starting\n");
1732
1733 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1734 eth_test->flags |= ETH_TEST_FL_FAILED;
1735
1736 /* Offline only tests, not run in online; pass by default */
1737 data[I40E_ETH_TEST_REG] = 0;
1738 data[I40E_ETH_TEST_EEPROM] = 0;
1739 data[I40E_ETH_TEST_INTR] = 0;
1740 data[I40E_ETH_TEST_LOOPBACK] = 0;
1741 }
1742
1743 skip_ol_tests:
1744
1745 netif_info(pf, drv, netdev, "testing finished\n");
1746 }
1747
1748 static void i40e_get_wol(struct net_device *netdev,
1749 struct ethtool_wolinfo *wol)
1750 {
1751 struct i40e_netdev_priv *np = netdev_priv(netdev);
1752 struct i40e_pf *pf = np->vsi->back;
1753 struct i40e_hw *hw = &pf->hw;
1754 u16 wol_nvm_bits;
1755
1756 /* NVM bit on means WoL disabled for the port */
1757 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1758 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1759 wol->supported = 0;
1760 wol->wolopts = 0;
1761 } else {
1762 wol->supported = WAKE_MAGIC;
1763 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1764 }
1765 }
1766
1767 /**
1768 * i40e_set_wol - set the WakeOnLAN configuration
1769 * @netdev: the netdev in question
1770 * @wol: the ethtool WoL setting data
1771 **/
1772 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1773 {
1774 struct i40e_netdev_priv *np = netdev_priv(netdev);
1775 struct i40e_pf *pf = np->vsi->back;
1776 struct i40e_vsi *vsi = np->vsi;
1777 struct i40e_hw *hw = &pf->hw;
1778 u16 wol_nvm_bits;
1779
1780 /* WoL not supported if this isn't the controlling PF on the port */
1781 if (hw->partition_id != 1) {
1782 i40e_partition_setting_complaint(pf);
1783 return -EOPNOTSUPP;
1784 }
1785
1786 if (vsi != pf->vsi[pf->lan_vsi])
1787 return -EOPNOTSUPP;
1788
1789 /* NVM bit on means WoL disabled for the port */
1790 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1791 if (BIT(hw->port) & wol_nvm_bits)
1792 return -EOPNOTSUPP;
1793
1794 /* only magic packet is supported */
1795 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1796 return -EOPNOTSUPP;
1797
1798 /* is this a new value? */
1799 if (pf->wol_en != !!wol->wolopts) {
1800 pf->wol_en = !!wol->wolopts;
1801 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1802 }
1803
1804 return 0;
1805 }
1806
1807 static int i40e_set_phys_id(struct net_device *netdev,
1808 enum ethtool_phys_id_state state)
1809 {
1810 struct i40e_netdev_priv *np = netdev_priv(netdev);
1811 struct i40e_pf *pf = np->vsi->back;
1812 struct i40e_hw *hw = &pf->hw;
1813 int blink_freq = 2;
1814
1815 switch (state) {
1816 case ETHTOOL_ID_ACTIVE:
1817 pf->led_status = i40e_led_get(hw);
1818 return blink_freq;
1819 case ETHTOOL_ID_ON:
1820 i40e_led_set(hw, 0xF, false);
1821 break;
1822 case ETHTOOL_ID_OFF:
1823 i40e_led_set(hw, 0x0, false);
1824 break;
1825 case ETHTOOL_ID_INACTIVE:
1826 i40e_led_set(hw, pf->led_status, false);
1827 break;
1828 default:
1829 break;
1830 }
1831
1832 return 0;
1833 }
1834
1835 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1836 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1837 * 125us (8000 interrupts per second) == ITR(62)
1838 */
1839
1840 static int i40e_get_coalesce(struct net_device *netdev,
1841 struct ethtool_coalesce *ec)
1842 {
1843 struct i40e_netdev_priv *np = netdev_priv(netdev);
1844 struct i40e_vsi *vsi = np->vsi;
1845
1846 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1847 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1848
1849 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1850 ec->use_adaptive_rx_coalesce = 1;
1851
1852 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1853 ec->use_adaptive_tx_coalesce = 1;
1854
1855 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1856 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1857 /* we use the _usecs_high to store/set the interrupt rate limit
1858 * that the hardware supports, that almost but not quite
1859 * fits the original intent of the ethtool variable,
1860 * the rx_coalesce_usecs_high limits total interrupts
1861 * per second from both tx/rx sources.
1862 */
1863 ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
1864 ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
1865
1866 return 0;
1867 }
1868
1869 static int i40e_set_coalesce(struct net_device *netdev,
1870 struct ethtool_coalesce *ec)
1871 {
1872 struct i40e_netdev_priv *np = netdev_priv(netdev);
1873 struct i40e_q_vector *q_vector;
1874 struct i40e_vsi *vsi = np->vsi;
1875 struct i40e_pf *pf = vsi->back;
1876 struct i40e_hw *hw = &pf->hw;
1877 u16 vector;
1878 int i;
1879
1880 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1881 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1882
1883 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
1884 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
1885 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
1886 return -EINVAL;
1887 }
1888
1889 if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
1890 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n");
1891 return -EINVAL;
1892 }
1893
1894 vector = vsi->base_vector;
1895 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1896 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1897 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1898 } else if (ec->rx_coalesce_usecs == 0) {
1899 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1900 if (ec->use_adaptive_rx_coalesce)
1901 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1902 } else {
1903 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1904 return -EINVAL;
1905 }
1906
1907 vsi->int_rate_limit = ec->rx_coalesce_usecs_high;
1908
1909 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1910 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1911 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1912 } else if (ec->tx_coalesce_usecs == 0) {
1913 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1914 if (ec->use_adaptive_tx_coalesce)
1915 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1916 } else {
1917 netif_info(pf, drv, netdev,
1918 "Invalid value, tx-usecs range is 0-8160\n");
1919 return -EINVAL;
1920 }
1921
1922 if (ec->use_adaptive_rx_coalesce)
1923 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1924 else
1925 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1926
1927 if (ec->use_adaptive_tx_coalesce)
1928 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1929 else
1930 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1931
1932 for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1933 u16 intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit);
1934
1935 q_vector = vsi->q_vectors[i];
1936 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1937 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1938 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1939 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1940 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
1941 i40e_flush(hw);
1942 }
1943
1944 return 0;
1945 }
1946
1947 /**
1948 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1949 * @pf: pointer to the physical function struct
1950 * @cmd: ethtool rxnfc command
1951 *
1952 * Returns Success if the flow is supported, else Invalid Input.
1953 **/
1954 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1955 {
1956 cmd->data = 0;
1957
1958 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1959 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1960 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1961 return 0;
1962 }
1963 /* Report default options for RSS on i40e */
1964 switch (cmd->flow_type) {
1965 case TCP_V4_FLOW:
1966 case UDP_V4_FLOW:
1967 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1968 /* fall through to add IP fields */
1969 case SCTP_V4_FLOW:
1970 case AH_ESP_V4_FLOW:
1971 case AH_V4_FLOW:
1972 case ESP_V4_FLOW:
1973 case IPV4_FLOW:
1974 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1975 break;
1976 case TCP_V6_FLOW:
1977 case UDP_V6_FLOW:
1978 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1979 /* fall through to add IP fields */
1980 case SCTP_V6_FLOW:
1981 case AH_ESP_V6_FLOW:
1982 case AH_V6_FLOW:
1983 case ESP_V6_FLOW:
1984 case IPV6_FLOW:
1985 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1986 break;
1987 default:
1988 return -EINVAL;
1989 }
1990
1991 return 0;
1992 }
1993
1994 /**
1995 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1996 * @pf: Pointer to the physical function struct
1997 * @cmd: The command to get or set Rx flow classification rules
1998 * @rule_locs: Array of used rule locations
1999 *
2000 * This function populates both the total and actual rule count of
2001 * the ethtool flow classification command
2002 *
2003 * Returns 0 on success or -EMSGSIZE if entry not found
2004 **/
2005 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2006 struct ethtool_rxnfc *cmd,
2007 u32 *rule_locs)
2008 {
2009 struct i40e_fdir_filter *rule;
2010 struct hlist_node *node2;
2011 int cnt = 0;
2012
2013 /* report total rule count */
2014 cmd->data = i40e_get_fd_cnt_all(pf);
2015
2016 hlist_for_each_entry_safe(rule, node2,
2017 &pf->fdir_filter_list, fdir_node) {
2018 if (cnt == cmd->rule_cnt)
2019 return -EMSGSIZE;
2020
2021 rule_locs[cnt] = rule->fd_id;
2022 cnt++;
2023 }
2024
2025 cmd->rule_cnt = cnt;
2026
2027 return 0;
2028 }
2029
2030 /**
2031 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2032 * @pf: Pointer to the physical function struct
2033 * @cmd: The command to get or set Rx flow classification rules
2034 *
2035 * This function looks up a filter based on the Rx flow classification
2036 * command and fills the flow spec info for it if found
2037 *
2038 * Returns 0 on success or -EINVAL if filter not found
2039 **/
2040 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2041 struct ethtool_rxnfc *cmd)
2042 {
2043 struct ethtool_rx_flow_spec *fsp =
2044 (struct ethtool_rx_flow_spec *)&cmd->fs;
2045 struct i40e_fdir_filter *rule = NULL;
2046 struct hlist_node *node2;
2047
2048 hlist_for_each_entry_safe(rule, node2,
2049 &pf->fdir_filter_list, fdir_node) {
2050 if (fsp->location <= rule->fd_id)
2051 break;
2052 }
2053
2054 if (!rule || fsp->location != rule->fd_id)
2055 return -EINVAL;
2056
2057 fsp->flow_type = rule->flow_type;
2058 if (fsp->flow_type == IP_USER_FLOW) {
2059 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2060 fsp->h_u.usr_ip4_spec.proto = 0;
2061 fsp->m_u.usr_ip4_spec.proto = 0;
2062 }
2063
2064 /* Reverse the src and dest notion, since the HW views them from
2065 * Tx perspective where as the user expects it from Rx filter view.
2066 */
2067 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2068 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2069 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2070 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2071
2072 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2073 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2074 else
2075 fsp->ring_cookie = rule->q_index;
2076
2077 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2078 struct i40e_vsi *vsi;
2079
2080 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2081 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2082 fsp->h_ext.data[1] = htonl(vsi->vf_id);
2083 fsp->m_ext.data[1] = htonl(0x1);
2084 }
2085 }
2086
2087 return 0;
2088 }
2089
2090 /**
2091 * i40e_get_rxnfc - command to get RX flow classification rules
2092 * @netdev: network interface device structure
2093 * @cmd: ethtool rxnfc command
2094 *
2095 * Returns Success if the command is supported.
2096 **/
2097 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2098 u32 *rule_locs)
2099 {
2100 struct i40e_netdev_priv *np = netdev_priv(netdev);
2101 struct i40e_vsi *vsi = np->vsi;
2102 struct i40e_pf *pf = vsi->back;
2103 int ret = -EOPNOTSUPP;
2104
2105 switch (cmd->cmd) {
2106 case ETHTOOL_GRXRINGS:
2107 cmd->data = vsi->alloc_queue_pairs;
2108 ret = 0;
2109 break;
2110 case ETHTOOL_GRXFH:
2111 ret = i40e_get_rss_hash_opts(pf, cmd);
2112 break;
2113 case ETHTOOL_GRXCLSRLCNT:
2114 cmd->rule_cnt = pf->fdir_pf_active_filters;
2115 /* report total rule count */
2116 cmd->data = i40e_get_fd_cnt_all(pf);
2117 ret = 0;
2118 break;
2119 case ETHTOOL_GRXCLSRULE:
2120 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2121 break;
2122 case ETHTOOL_GRXCLSRLALL:
2123 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2124 break;
2125 default:
2126 break;
2127 }
2128
2129 return ret;
2130 }
2131
2132 /**
2133 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2134 * @pf: pointer to the physical function struct
2135 * @cmd: ethtool rxnfc command
2136 *
2137 * Returns Success if the flow input set is supported.
2138 **/
2139 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2140 {
2141 struct i40e_hw *hw = &pf->hw;
2142 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2143 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2144
2145 /* RSS does not support anything other than hashing
2146 * to queues on src and dst IPs and ports
2147 */
2148 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2149 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2150 return -EINVAL;
2151
2152 /* We need at least the IP SRC and DEST fields for hashing */
2153 if (!(nfc->data & RXH_IP_SRC) ||
2154 !(nfc->data & RXH_IP_DST))
2155 return -EINVAL;
2156
2157 switch (nfc->flow_type) {
2158 case TCP_V4_FLOW:
2159 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2160 case 0:
2161 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2162 break;
2163 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2164 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2165 break;
2166 default:
2167 return -EINVAL;
2168 }
2169 break;
2170 case TCP_V6_FLOW:
2171 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2172 case 0:
2173 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2174 break;
2175 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2176 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2177 break;
2178 default:
2179 return -EINVAL;
2180 }
2181 break;
2182 case UDP_V4_FLOW:
2183 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2184 case 0:
2185 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2186 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2187 break;
2188 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2189 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2190 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2191 break;
2192 default:
2193 return -EINVAL;
2194 }
2195 break;
2196 case UDP_V6_FLOW:
2197 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2198 case 0:
2199 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2200 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2201 break;
2202 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2203 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2204 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2205 break;
2206 default:
2207 return -EINVAL;
2208 }
2209 break;
2210 case AH_ESP_V4_FLOW:
2211 case AH_V4_FLOW:
2212 case ESP_V4_FLOW:
2213 case SCTP_V4_FLOW:
2214 if ((nfc->data & RXH_L4_B_0_1) ||
2215 (nfc->data & RXH_L4_B_2_3))
2216 return -EINVAL;
2217 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2218 break;
2219 case AH_ESP_V6_FLOW:
2220 case AH_V6_FLOW:
2221 case ESP_V6_FLOW:
2222 case SCTP_V6_FLOW:
2223 if ((nfc->data & RXH_L4_B_0_1) ||
2224 (nfc->data & RXH_L4_B_2_3))
2225 return -EINVAL;
2226 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2227 break;
2228 case IPV4_FLOW:
2229 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2230 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2231 break;
2232 case IPV6_FLOW:
2233 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2234 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2235 break;
2236 default:
2237 return -EINVAL;
2238 }
2239
2240 wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2241 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2242 i40e_flush(hw);
2243
2244 /* Save setting for future output/update */
2245 pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2246
2247 return 0;
2248 }
2249
2250 /**
2251 * i40e_match_fdir_input_set - Match a new filter against an existing one
2252 * @rule: The filter already added
2253 * @input: The new filter to comapre against
2254 *
2255 * Returns true if the two input set match
2256 **/
2257 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2258 struct i40e_fdir_filter *input)
2259 {
2260 if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2261 (rule->src_ip[0] != input->src_ip[0]) ||
2262 (rule->dst_port != input->dst_port) ||
2263 (rule->src_port != input->src_port))
2264 return false;
2265 return true;
2266 }
2267
2268 /**
2269 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2270 * @vsi: Pointer to the targeted VSI
2271 * @input: The filter to update or NULL to indicate deletion
2272 * @sw_idx: Software index to the filter
2273 * @cmd: The command to get or set Rx flow classification rules
2274 *
2275 * This function updates (or deletes) a Flow Director entry from
2276 * the hlist of the corresponding PF
2277 *
2278 * Returns 0 on success
2279 **/
2280 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2281 struct i40e_fdir_filter *input,
2282 u16 sw_idx,
2283 struct ethtool_rxnfc *cmd)
2284 {
2285 struct i40e_fdir_filter *rule, *parent;
2286 struct i40e_pf *pf = vsi->back;
2287 struct hlist_node *node2;
2288 int err = -EINVAL;
2289
2290 parent = NULL;
2291 rule = NULL;
2292
2293 hlist_for_each_entry_safe(rule, node2,
2294 &pf->fdir_filter_list, fdir_node) {
2295 /* hash found, or no matching entry */
2296 if (rule->fd_id >= sw_idx)
2297 break;
2298 parent = rule;
2299 }
2300
2301 /* if there is an old rule occupying our place remove it */
2302 if (rule && (rule->fd_id == sw_idx)) {
2303 if (input && !i40e_match_fdir_input_set(rule, input))
2304 err = i40e_add_del_fdir(vsi, rule, false);
2305 else if (!input)
2306 err = i40e_add_del_fdir(vsi, rule, false);
2307 hlist_del(&rule->fdir_node);
2308 kfree(rule);
2309 pf->fdir_pf_active_filters--;
2310 }
2311
2312 /* If no input this was a delete, err should be 0 if a rule was
2313 * successfully found and removed from the list else -EINVAL
2314 */
2315 if (!input)
2316 return err;
2317
2318 /* initialize node and set software index */
2319 INIT_HLIST_NODE(&input->fdir_node);
2320
2321 /* add filter to the list */
2322 if (parent)
2323 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2324 else
2325 hlist_add_head(&input->fdir_node,
2326 &pf->fdir_filter_list);
2327
2328 /* update counts */
2329 pf->fdir_pf_active_filters++;
2330
2331 return 0;
2332 }
2333
2334 /**
2335 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2336 * @vsi: Pointer to the targeted VSI
2337 * @cmd: The command to get or set Rx flow classification rules
2338 *
2339 * The function removes a Flow Director filter entry from the
2340 * hlist of the corresponding PF
2341 *
2342 * Returns 0 on success
2343 */
2344 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2345 struct ethtool_rxnfc *cmd)
2346 {
2347 struct ethtool_rx_flow_spec *fsp =
2348 (struct ethtool_rx_flow_spec *)&cmd->fs;
2349 struct i40e_pf *pf = vsi->back;
2350 int ret = 0;
2351
2352 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2353 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2354 return -EBUSY;
2355
2356 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2357 return -EBUSY;
2358
2359 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2360
2361 i40e_fdir_check_and_reenable(pf);
2362 return ret;
2363 }
2364
2365 /**
2366 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2367 * @vsi: pointer to the targeted VSI
2368 * @cmd: command to get or set RX flow classification rules
2369 *
2370 * Add Flow Director filters for a specific flow spec based on their
2371 * protocol. Returns 0 if the filters were successfully added.
2372 **/
2373 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2374 struct ethtool_rxnfc *cmd)
2375 {
2376 struct ethtool_rx_flow_spec *fsp;
2377 struct i40e_fdir_filter *input;
2378 struct i40e_pf *pf;
2379 int ret = -EINVAL;
2380 u16 vf_id;
2381
2382 if (!vsi)
2383 return -EINVAL;
2384
2385 pf = vsi->back;
2386
2387 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2388 return -EOPNOTSUPP;
2389
2390 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2391 return -ENOSPC;
2392
2393 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2394 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2395 return -EBUSY;
2396
2397 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2398 return -EBUSY;
2399
2400 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2401
2402 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2403 pf->hw.func_caps.fd_filters_guaranteed)) {
2404 return -EINVAL;
2405 }
2406
2407 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2408 (fsp->ring_cookie >= vsi->num_queue_pairs))
2409 return -EINVAL;
2410
2411 input = kzalloc(sizeof(*input), GFP_KERNEL);
2412
2413 if (!input)
2414 return -ENOMEM;
2415
2416 input->fd_id = fsp->location;
2417
2418 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2419 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2420 else
2421 input->dest_ctl =
2422 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2423
2424 input->q_index = fsp->ring_cookie;
2425 input->flex_off = 0;
2426 input->pctype = 0;
2427 input->dest_vsi = vsi->id;
2428 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2429 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2430 input->flow_type = fsp->flow_type;
2431 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2432
2433 /* Reverse the src and dest notion, since the HW expects them to be from
2434 * Tx perspective where as the input from user is from Rx filter view.
2435 */
2436 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2437 input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2438 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2439 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2440
2441 if (ntohl(fsp->m_ext.data[1])) {
2442 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2443 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2444 goto free_input;
2445 }
2446 vf_id = ntohl(fsp->h_ext.data[1]);
2447 /* Find vsi id from vf id and override dest vsi */
2448 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2449 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2450 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2451 goto free_input;
2452 }
2453 }
2454
2455 ret = i40e_add_del_fdir(vsi, input, true);
2456 free_input:
2457 if (ret)
2458 kfree(input);
2459 else
2460 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2461
2462 return ret;
2463 }
2464
2465 /**
2466 * i40e_set_rxnfc - command to set RX flow classification rules
2467 * @netdev: network interface device structure
2468 * @cmd: ethtool rxnfc command
2469 *
2470 * Returns Success if the command is supported.
2471 **/
2472 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2473 {
2474 struct i40e_netdev_priv *np = netdev_priv(netdev);
2475 struct i40e_vsi *vsi = np->vsi;
2476 struct i40e_pf *pf = vsi->back;
2477 int ret = -EOPNOTSUPP;
2478
2479 switch (cmd->cmd) {
2480 case ETHTOOL_SRXFH:
2481 ret = i40e_set_rss_hash_opt(pf, cmd);
2482 break;
2483 case ETHTOOL_SRXCLSRLINS:
2484 ret = i40e_add_fdir_ethtool(vsi, cmd);
2485 break;
2486 case ETHTOOL_SRXCLSRLDEL:
2487 ret = i40e_del_fdir_entry(vsi, cmd);
2488 break;
2489 default:
2490 break;
2491 }
2492
2493 return ret;
2494 }
2495
2496 /**
2497 * i40e_max_channels - get Max number of combined channels supported
2498 * @vsi: vsi pointer
2499 **/
2500 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2501 {
2502 /* TODO: This code assumes DCB and FD is disabled for now. */
2503 return vsi->alloc_queue_pairs;
2504 }
2505
2506 /**
2507 * i40e_get_channels - Get the current channels enabled and max supported etc.
2508 * @netdev: network interface device structure
2509 * @ch: ethtool channels structure
2510 *
2511 * We don't support separate tx and rx queues as channels. The other count
2512 * represents how many queues are being used for control. max_combined counts
2513 * how many queue pairs we can support. They may not be mapped 1 to 1 with
2514 * q_vectors since we support a lot more queue pairs than q_vectors.
2515 **/
2516 static void i40e_get_channels(struct net_device *dev,
2517 struct ethtool_channels *ch)
2518 {
2519 struct i40e_netdev_priv *np = netdev_priv(dev);
2520 struct i40e_vsi *vsi = np->vsi;
2521 struct i40e_pf *pf = vsi->back;
2522
2523 /* report maximum channels */
2524 ch->max_combined = i40e_max_channels(vsi);
2525
2526 /* report info for other vector */
2527 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2528 ch->max_other = ch->other_count;
2529
2530 /* Note: This code assumes DCB is disabled for now. */
2531 ch->combined_count = vsi->num_queue_pairs;
2532 }
2533
2534 /**
2535 * i40e_set_channels - Set the new channels count.
2536 * @netdev: network interface device structure
2537 * @ch: ethtool channels structure
2538 *
2539 * The new channels count may not be the same as requested by the user
2540 * since it gets rounded down to a power of 2 value.
2541 **/
2542 static int i40e_set_channels(struct net_device *dev,
2543 struct ethtool_channels *ch)
2544 {
2545 struct i40e_netdev_priv *np = netdev_priv(dev);
2546 unsigned int count = ch->combined_count;
2547 struct i40e_vsi *vsi = np->vsi;
2548 struct i40e_pf *pf = vsi->back;
2549 int new_count;
2550
2551 /* We do not support setting channels for any other VSI at present */
2552 if (vsi->type != I40E_VSI_MAIN)
2553 return -EINVAL;
2554
2555 /* verify they are not requesting separate vectors */
2556 if (!count || ch->rx_count || ch->tx_count)
2557 return -EINVAL;
2558
2559 /* verify other_count has not changed */
2560 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2561 return -EINVAL;
2562
2563 /* verify the number of channels does not exceed hardware limits */
2564 if (count > i40e_max_channels(vsi))
2565 return -EINVAL;
2566
2567 /* update feature limits from largest to smallest supported values */
2568 /* TODO: Flow director limit, DCB etc */
2569
2570 /* use rss_reconfig to rebuild with new queue count and update traffic
2571 * class queue mapping
2572 */
2573 new_count = i40e_reconfig_rss_queues(pf, count);
2574 if (new_count > 0)
2575 return 0;
2576 else
2577 return -EINVAL;
2578 }
2579
2580 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2581 /**
2582 * i40e_get_rxfh_key_size - get the RSS hash key size
2583 * @netdev: network interface device structure
2584 *
2585 * Returns the table size.
2586 **/
2587 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2588 {
2589 return I40E_HKEY_ARRAY_SIZE;
2590 }
2591
2592 /**
2593 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2594 * @netdev: network interface device structure
2595 *
2596 * Returns the table size.
2597 **/
2598 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2599 {
2600 return I40E_HLUT_ARRAY_SIZE;
2601 }
2602
2603 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2604 u8 *hfunc)
2605 {
2606 struct i40e_netdev_priv *np = netdev_priv(netdev);
2607 struct i40e_vsi *vsi = np->vsi;
2608 struct i40e_pf *pf = vsi->back;
2609 struct i40e_hw *hw = &pf->hw;
2610 u32 reg_val;
2611 int i, j;
2612
2613 if (hfunc)
2614 *hfunc = ETH_RSS_HASH_TOP;
2615
2616 if (!indir)
2617 return 0;
2618
2619 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2620 reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2621 indir[j++] = reg_val & 0xff;
2622 indir[j++] = (reg_val >> 8) & 0xff;
2623 indir[j++] = (reg_val >> 16) & 0xff;
2624 indir[j++] = (reg_val >> 24) & 0xff;
2625 }
2626
2627 if (key) {
2628 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2629 reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2630 key[j++] = (u8)(reg_val & 0xff);
2631 key[j++] = (u8)((reg_val >> 8) & 0xff);
2632 key[j++] = (u8)((reg_val >> 16) & 0xff);
2633 key[j++] = (u8)((reg_val >> 24) & 0xff);
2634 }
2635 }
2636 return 0;
2637 }
2638
2639 /**
2640 * i40e_set_rxfh - set the rx flow hash indirection table
2641 * @netdev: network interface device structure
2642 * @indir: indirection table
2643 * @key: hash key
2644 *
2645 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2646 * returns 0 after programming the table.
2647 **/
2648 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2649 const u8 *key, const u8 hfunc)
2650 {
2651 struct i40e_netdev_priv *np = netdev_priv(netdev);
2652 struct i40e_vsi *vsi = np->vsi;
2653 struct i40e_pf *pf = vsi->back;
2654 struct i40e_hw *hw = &pf->hw;
2655 u32 reg_val;
2656 int i, j;
2657
2658 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2659 return -EOPNOTSUPP;
2660
2661 if (!indir)
2662 return 0;
2663
2664 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2665 reg_val = indir[j++];
2666 reg_val |= indir[j++] << 8;
2667 reg_val |= indir[j++] << 16;
2668 reg_val |= indir[j++] << 24;
2669 wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2670 }
2671
2672 if (key) {
2673 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2674 reg_val = key[j++];
2675 reg_val |= key[j++] << 8;
2676 reg_val |= key[j++] << 16;
2677 reg_val |= key[j++] << 24;
2678 wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2679 }
2680 }
2681 return 0;
2682 }
2683
2684 /**
2685 * i40e_get_priv_flags - report device private flags
2686 * @dev: network interface device structure
2687 *
2688 * The get string set count and the string set should be matched for each
2689 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
2690 * array.
2691 *
2692 * Returns a u32 bitmap of flags.
2693 **/
2694 static u32 i40e_get_priv_flags(struct net_device *dev)
2695 {
2696 struct i40e_netdev_priv *np = netdev_priv(dev);
2697 struct i40e_vsi *vsi = np->vsi;
2698 struct i40e_pf *pf = vsi->back;
2699 u32 ret_flags = 0;
2700
2701 ret_flags |= pf->hw.func_caps.npar_enable ?
2702 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2703 ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
2704 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
2705 ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
2706 I40E_PRIV_FLAGS_FD_ATR : 0;
2707 ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
2708 I40E_PRIV_FLAGS_VEB_STATS : 0;
2709
2710 return ret_flags;
2711 }
2712
2713 /**
2714 * i40e_set_priv_flags - set private flags
2715 * @dev: network interface device structure
2716 * @flags: bit flags to be set
2717 **/
2718 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
2719 {
2720 struct i40e_netdev_priv *np = netdev_priv(dev);
2721 struct i40e_vsi *vsi = np->vsi;
2722 struct i40e_pf *pf = vsi->back;
2723
2724 if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
2725 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
2726 else
2727 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
2728
2729 /* allow the user to control the state of the Flow
2730 * Director ATR (Application Targeted Routing) feature
2731 * of the driver
2732 */
2733 if (flags & I40E_PRIV_FLAGS_FD_ATR) {
2734 pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
2735 } else {
2736 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
2737 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
2738 }
2739
2740 if (flags & I40E_PRIV_FLAGS_VEB_STATS)
2741 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
2742 else
2743 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
2744
2745 return 0;
2746 }
2747
2748 static const struct ethtool_ops i40e_ethtool_ops = {
2749 .get_settings = i40e_get_settings,
2750 .set_settings = i40e_set_settings,
2751 .get_drvinfo = i40e_get_drvinfo,
2752 .get_regs_len = i40e_get_regs_len,
2753 .get_regs = i40e_get_regs,
2754 .nway_reset = i40e_nway_reset,
2755 .get_link = ethtool_op_get_link,
2756 .get_wol = i40e_get_wol,
2757 .set_wol = i40e_set_wol,
2758 .set_eeprom = i40e_set_eeprom,
2759 .get_eeprom_len = i40e_get_eeprom_len,
2760 .get_eeprom = i40e_get_eeprom,
2761 .get_ringparam = i40e_get_ringparam,
2762 .set_ringparam = i40e_set_ringparam,
2763 .get_pauseparam = i40e_get_pauseparam,
2764 .set_pauseparam = i40e_set_pauseparam,
2765 .get_msglevel = i40e_get_msglevel,
2766 .set_msglevel = i40e_set_msglevel,
2767 .get_rxnfc = i40e_get_rxnfc,
2768 .set_rxnfc = i40e_set_rxnfc,
2769 .self_test = i40e_diag_test,
2770 .get_strings = i40e_get_strings,
2771 .set_phys_id = i40e_set_phys_id,
2772 .get_sset_count = i40e_get_sset_count,
2773 .get_ethtool_stats = i40e_get_ethtool_stats,
2774 .get_coalesce = i40e_get_coalesce,
2775 .set_coalesce = i40e_set_coalesce,
2776 .get_rxfh_key_size = i40e_get_rxfh_key_size,
2777 .get_rxfh_indir_size = i40e_get_rxfh_indir_size,
2778 .get_rxfh = i40e_get_rxfh,
2779 .set_rxfh = i40e_set_rxfh,
2780 .get_channels = i40e_get_channels,
2781 .set_channels = i40e_set_channels,
2782 .get_ts_info = i40e_get_ts_info,
2783 .get_priv_flags = i40e_get_priv_flags,
2784 .set_priv_flags = i40e_set_priv_flags,
2785 };
2786
2787 void i40e_set_ethtool_ops(struct net_device *netdev)
2788 {
2789 netdev->ethtool_ops = &i40e_ethtool_ops;
2790 }
Linux kernel - Deliverables
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