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Merge tag 'xfs-for-linus-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git...
[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 I40E_VSI_STAT("tx_force_wb", tx_force_wb),
92 };
93
94 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
95 * but they are separate. This device supports Virtualization, and
96 * as such might have several netdevs supporting VMDq and FCoE going
97 * through a single port. The NETDEV_STATs are for individual netdevs
98 * seen at the top of the stack, and the PF_STATs are for the physical
99 * function at the bottom of the stack hosting those netdevs.
100 *
101 * The PF_STATs are appended to the netdev stats only when ethtool -S
102 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
103 */
104 static struct i40e_stats i40e_gstrings_stats[] = {
105 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
106 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
107 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
108 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
109 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
110 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
111 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
112 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
113 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
114 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
115 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
116 I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
117 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
118 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
119 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
120 I40E_PF_STAT("tx_timeout", tx_timeout_count),
121 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
122 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
123 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
124 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
125 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
126 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
127 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
128 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
129 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
130 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
131 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
132 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
133 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
134 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
135 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
136 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
137 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
138 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
139 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
140 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
141 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
142 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
143 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
144 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
145 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
146 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
147 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
148 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
149 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
150 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
151 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
152 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
153
154 /* LPI stats */
155 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
156 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
157 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
158 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
159 };
160
161 #ifdef I40E_FCOE
162 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
163 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
164 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
165 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
166 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
167 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
168 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
169 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
170 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
171 };
172
173 #endif /* I40E_FCOE */
174 #define I40E_QUEUE_STATS_LEN(n) \
175 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
176 * 2 /* Tx and Rx together */ \
177 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
178 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
179 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
180 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
181 #ifdef I40E_FCOE
182 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats)
183 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
184 I40E_FCOE_STATS_LEN + \
185 I40E_MISC_STATS_LEN + \
186 I40E_QUEUE_STATS_LEN((n)))
187 #else
188 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
189 I40E_MISC_STATS_LEN + \
190 I40E_QUEUE_STATS_LEN((n)))
191 #endif /* I40E_FCOE */
192 #define I40E_PFC_STATS_LEN ( \
193 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
194 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
195 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
196 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
197 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
198 / sizeof(u64))
199 #define I40E_VEB_TC_STATS_LEN ( \
200 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
201 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
202 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
203 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
204 / sizeof(u64))
205 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
206 #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
207 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
208 I40E_PFC_STATS_LEN + \
209 I40E_VSI_STATS_LEN((n)))
210
211 enum i40e_ethtool_test_id {
212 I40E_ETH_TEST_REG = 0,
213 I40E_ETH_TEST_EEPROM,
214 I40E_ETH_TEST_INTR,
215 I40E_ETH_TEST_LOOPBACK,
216 I40E_ETH_TEST_LINK,
217 };
218
219 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
220 "Register test (offline)",
221 "Eeprom test (offline)",
222 "Interrupt test (offline)",
223 "Loopback test (offline)",
224 "Link test (on/offline)"
225 };
226
227 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
228
229 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
230 "NPAR",
231 "LinkPolling",
232 "flow-director-atr",
233 "veb-stats",
234 "packet-split",
235 };
236
237 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
238
239 /**
240 * i40e_partition_setting_complaint - generic complaint for MFP restriction
241 * @pf: the PF struct
242 **/
243 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
244 {
245 dev_info(&pf->pdev->dev,
246 "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");
247 }
248
249 /**
250 * i40e_get_settings_link_up - Get the Link settings for when link is up
251 * @hw: hw structure
252 * @ecmd: ethtool command to fill in
253 * @netdev: network interface device structure
254 *
255 **/
256 static void i40e_get_settings_link_up(struct i40e_hw *hw,
257 struct ethtool_cmd *ecmd,
258 struct net_device *netdev,
259 struct i40e_pf *pf)
260 {
261 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
262 u32 link_speed = hw_link_info->link_speed;
263
264 /* Initialize supported and advertised settings based on phy settings */
265 switch (hw_link_info->phy_type) {
266 case I40E_PHY_TYPE_40GBASE_CR4:
267 case I40E_PHY_TYPE_40GBASE_CR4_CU:
268 ecmd->supported = SUPPORTED_Autoneg |
269 SUPPORTED_40000baseCR4_Full;
270 ecmd->advertising = ADVERTISED_Autoneg |
271 ADVERTISED_40000baseCR4_Full;
272 break;
273 case I40E_PHY_TYPE_XLAUI:
274 case I40E_PHY_TYPE_XLPPI:
275 case I40E_PHY_TYPE_40GBASE_AOC:
276 ecmd->supported = SUPPORTED_40000baseCR4_Full;
277 break;
278 case I40E_PHY_TYPE_40GBASE_SR4:
279 ecmd->supported = SUPPORTED_40000baseSR4_Full;
280 break;
281 case I40E_PHY_TYPE_40GBASE_LR4:
282 ecmd->supported = SUPPORTED_40000baseLR4_Full;
283 break;
284 case I40E_PHY_TYPE_10GBASE_SR:
285 case I40E_PHY_TYPE_10GBASE_LR:
286 case I40E_PHY_TYPE_1000BASE_SX:
287 case I40E_PHY_TYPE_1000BASE_LX:
288 ecmd->supported = SUPPORTED_10000baseT_Full;
289 if (hw_link_info->module_type[2] &
290 I40E_MODULE_TYPE_1000BASE_SX ||
291 hw_link_info->module_type[2] &
292 I40E_MODULE_TYPE_1000BASE_LX) {
293 ecmd->supported |= SUPPORTED_1000baseT_Full;
294 if (hw_link_info->requested_speeds &
295 I40E_LINK_SPEED_1GB)
296 ecmd->advertising |= ADVERTISED_1000baseT_Full;
297 }
298 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
299 ecmd->advertising |= ADVERTISED_10000baseT_Full;
300 break;
301 case I40E_PHY_TYPE_10GBASE_T:
302 case I40E_PHY_TYPE_1000BASE_T:
303 ecmd->supported = SUPPORTED_Autoneg |
304 SUPPORTED_10000baseT_Full |
305 SUPPORTED_1000baseT_Full;
306 ecmd->advertising = ADVERTISED_Autoneg;
307 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
308 ecmd->advertising |= ADVERTISED_10000baseT_Full;
309 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
310 ecmd->advertising |= ADVERTISED_1000baseT_Full;
311 break;
312 case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
313 ecmd->supported = SUPPORTED_Autoneg |
314 SUPPORTED_1000baseT_Full;
315 ecmd->advertising = ADVERTISED_Autoneg |
316 ADVERTISED_1000baseT_Full;
317 break;
318 case I40E_PHY_TYPE_100BASE_TX:
319 ecmd->supported = SUPPORTED_Autoneg |
320 SUPPORTED_100baseT_Full;
321 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
322 ecmd->advertising |= ADVERTISED_100baseT_Full;
323 break;
324 case I40E_PHY_TYPE_10GBASE_CR1_CU:
325 case I40E_PHY_TYPE_10GBASE_CR1:
326 ecmd->supported = SUPPORTED_Autoneg |
327 SUPPORTED_10000baseT_Full;
328 ecmd->advertising = ADVERTISED_Autoneg |
329 ADVERTISED_10000baseT_Full;
330 break;
331 case I40E_PHY_TYPE_XAUI:
332 case I40E_PHY_TYPE_XFI:
333 case I40E_PHY_TYPE_SFI:
334 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
335 case I40E_PHY_TYPE_10GBASE_AOC:
336 ecmd->supported = SUPPORTED_10000baseT_Full;
337 break;
338 case I40E_PHY_TYPE_SGMII:
339 ecmd->supported = SUPPORTED_Autoneg |
340 SUPPORTED_1000baseT_Full;
341 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
342 ecmd->advertising |= ADVERTISED_1000baseT_Full;
343 if (pf->hw.mac.type == I40E_MAC_X722) {
344 ecmd->supported |= SUPPORTED_100baseT_Full;
345 if (hw_link_info->requested_speeds &
346 I40E_LINK_SPEED_100MB)
347 ecmd->advertising |= ADVERTISED_100baseT_Full;
348 }
349 break;
350 /* Backplane is set based on supported phy types in get_settings
351 * so don't set anything here but don't warn either
352 */
353 case I40E_PHY_TYPE_40GBASE_KR4:
354 case I40E_PHY_TYPE_20GBASE_KR2:
355 case I40E_PHY_TYPE_10GBASE_KR:
356 case I40E_PHY_TYPE_10GBASE_KX4:
357 case I40E_PHY_TYPE_1000BASE_KX:
358 break;
359 default:
360 /* if we got here and link is up something bad is afoot */
361 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
362 hw_link_info->phy_type);
363 }
364
365 /* Set speed and duplex */
366 switch (link_speed) {
367 case I40E_LINK_SPEED_40GB:
368 ethtool_cmd_speed_set(ecmd, SPEED_40000);
369 break;
370 case I40E_LINK_SPEED_20GB:
371 ethtool_cmd_speed_set(ecmd, SPEED_20000);
372 break;
373 case I40E_LINK_SPEED_10GB:
374 ethtool_cmd_speed_set(ecmd, SPEED_10000);
375 break;
376 case I40E_LINK_SPEED_1GB:
377 ethtool_cmd_speed_set(ecmd, SPEED_1000);
378 break;
379 case I40E_LINK_SPEED_100MB:
380 ethtool_cmd_speed_set(ecmd, SPEED_100);
381 break;
382 default:
383 break;
384 }
385 ecmd->duplex = DUPLEX_FULL;
386 }
387
388 /**
389 * i40e_get_settings_link_down - Get the Link settings for when link is down
390 * @hw: hw structure
391 * @ecmd: ethtool command to fill in
392 *
393 * Reports link settings that can be determined when link is down
394 **/
395 static void i40e_get_settings_link_down(struct i40e_hw *hw,
396 struct ethtool_cmd *ecmd,
397 struct i40e_pf *pf)
398 {
399 enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types;
400
401 /* link is down and the driver needs to fall back on
402 * supported phy types to figure out what info to display
403 */
404 ecmd->supported = 0x0;
405 ecmd->advertising = 0x0;
406 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
407 ecmd->supported |= SUPPORTED_Autoneg |
408 SUPPORTED_1000baseT_Full;
409 ecmd->advertising |= ADVERTISED_Autoneg |
410 ADVERTISED_1000baseT_Full;
411 if (pf->hw.mac.type == I40E_MAC_X722) {
412 ecmd->supported |= SUPPORTED_100baseT_Full;
413 ecmd->advertising |= ADVERTISED_100baseT_Full;
414 }
415 }
416 if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
417 phy_types & I40E_CAP_PHY_TYPE_XFI ||
418 phy_types & I40E_CAP_PHY_TYPE_SFI ||
419 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
420 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
421 ecmd->supported |= SUPPORTED_10000baseT_Full;
422 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
423 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
424 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
425 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
426 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
427 ecmd->supported |= SUPPORTED_Autoneg |
428 SUPPORTED_10000baseT_Full;
429 ecmd->advertising |= ADVERTISED_Autoneg |
430 ADVERTISED_10000baseT_Full;
431 }
432 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
433 phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
434 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
435 ecmd->supported |= SUPPORTED_40000baseCR4_Full;
436 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
437 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
438 ecmd->supported |= SUPPORTED_Autoneg |
439 SUPPORTED_40000baseCR4_Full;
440 ecmd->advertising |= ADVERTISED_Autoneg |
441 ADVERTISED_40000baseCR4_Full;
442 }
443 if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) &&
444 !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) {
445 ecmd->supported |= SUPPORTED_Autoneg |
446 SUPPORTED_100baseT_Full;
447 ecmd->advertising |= ADVERTISED_Autoneg |
448 ADVERTISED_100baseT_Full;
449 }
450 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
451 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
452 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
453 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
454 ecmd->supported |= SUPPORTED_Autoneg |
455 SUPPORTED_1000baseT_Full;
456 ecmd->advertising |= ADVERTISED_Autoneg |
457 ADVERTISED_1000baseT_Full;
458 }
459 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
460 ecmd->supported |= SUPPORTED_40000baseSR4_Full;
461 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
462 ecmd->supported |= SUPPORTED_40000baseLR4_Full;
463
464 /* With no link speed and duplex are unknown */
465 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
466 ecmd->duplex = DUPLEX_UNKNOWN;
467 }
468
469 /**
470 * i40e_get_settings - Get Link Speed and Duplex settings
471 * @netdev: network interface device structure
472 * @ecmd: ethtool command
473 *
474 * Reports speed/duplex settings based on media_type
475 **/
476 static int i40e_get_settings(struct net_device *netdev,
477 struct ethtool_cmd *ecmd)
478 {
479 struct i40e_netdev_priv *np = netdev_priv(netdev);
480 struct i40e_pf *pf = np->vsi->back;
481 struct i40e_hw *hw = &pf->hw;
482 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
483 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
484
485 if (link_up)
486 i40e_get_settings_link_up(hw, ecmd, netdev, pf);
487 else
488 i40e_get_settings_link_down(hw, ecmd, pf);
489
490 /* Now set the settings that don't rely on link being up/down */
491
492 /* For backplane, supported and advertised are only reliant on the
493 * phy types the NVM specifies are supported.
494 */
495 if (hw->device_id == I40E_DEV_ID_KX_B ||
496 hw->device_id == I40E_DEV_ID_KX_C ||
497 hw->device_id == I40E_DEV_ID_20G_KR2 ||
498 hw->device_id == I40E_DEV_ID_20G_KR2_A) {
499 ecmd->supported = SUPPORTED_Autoneg;
500 ecmd->advertising = ADVERTISED_Autoneg;
501 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
502 ecmd->supported |= SUPPORTED_40000baseKR4_Full;
503 ecmd->advertising |= ADVERTISED_40000baseKR4_Full;
504 }
505 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
506 ecmd->supported |= SUPPORTED_20000baseKR2_Full;
507 ecmd->advertising |= ADVERTISED_20000baseKR2_Full;
508 }
509 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
510 ecmd->supported |= SUPPORTED_10000baseKR_Full;
511 ecmd->advertising |= ADVERTISED_10000baseKR_Full;
512 }
513 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
514 ecmd->supported |= SUPPORTED_10000baseKX4_Full;
515 ecmd->advertising |= ADVERTISED_10000baseKX4_Full;
516 }
517 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
518 ecmd->supported |= SUPPORTED_1000baseKX_Full;
519 ecmd->advertising |= ADVERTISED_1000baseKX_Full;
520 }
521 }
522
523 /* Set autoneg settings */
524 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
525 AUTONEG_ENABLE : AUTONEG_DISABLE);
526
527 switch (hw->phy.media_type) {
528 case I40E_MEDIA_TYPE_BACKPLANE:
529 ecmd->supported |= SUPPORTED_Autoneg |
530 SUPPORTED_Backplane;
531 ecmd->advertising |= ADVERTISED_Autoneg |
532 ADVERTISED_Backplane;
533 ecmd->port = PORT_NONE;
534 break;
535 case I40E_MEDIA_TYPE_BASET:
536 ecmd->supported |= SUPPORTED_TP;
537 ecmd->advertising |= ADVERTISED_TP;
538 ecmd->port = PORT_TP;
539 break;
540 case I40E_MEDIA_TYPE_DA:
541 case I40E_MEDIA_TYPE_CX4:
542 ecmd->supported |= SUPPORTED_FIBRE;
543 ecmd->advertising |= ADVERTISED_FIBRE;
544 ecmd->port = PORT_DA;
545 break;
546 case I40E_MEDIA_TYPE_FIBER:
547 ecmd->supported |= SUPPORTED_FIBRE;
548 ecmd->port = PORT_FIBRE;
549 break;
550 case I40E_MEDIA_TYPE_UNKNOWN:
551 default:
552 ecmd->port = PORT_OTHER;
553 break;
554 }
555
556 /* Set transceiver */
557 ecmd->transceiver = XCVR_EXTERNAL;
558
559 /* Set flow control settings */
560 ecmd->supported |= SUPPORTED_Pause;
561
562 switch (hw->fc.requested_mode) {
563 case I40E_FC_FULL:
564 ecmd->advertising |= ADVERTISED_Pause;
565 break;
566 case I40E_FC_TX_PAUSE:
567 ecmd->advertising |= ADVERTISED_Asym_Pause;
568 break;
569 case I40E_FC_RX_PAUSE:
570 ecmd->advertising |= (ADVERTISED_Pause |
571 ADVERTISED_Asym_Pause);
572 break;
573 default:
574 ecmd->advertising &= ~(ADVERTISED_Pause |
575 ADVERTISED_Asym_Pause);
576 break;
577 }
578
579 return 0;
580 }
581
582 /**
583 * i40e_set_settings - Set Speed and Duplex
584 * @netdev: network interface device structure
585 * @ecmd: ethtool command
586 *
587 * Set speed/duplex per media_types advertised/forced
588 **/
589 static int i40e_set_settings(struct net_device *netdev,
590 struct ethtool_cmd *ecmd)
591 {
592 struct i40e_netdev_priv *np = netdev_priv(netdev);
593 struct i40e_aq_get_phy_abilities_resp abilities;
594 struct i40e_aq_set_phy_config config;
595 struct i40e_pf *pf = np->vsi->back;
596 struct i40e_vsi *vsi = np->vsi;
597 struct i40e_hw *hw = &pf->hw;
598 struct ethtool_cmd safe_ecmd;
599 i40e_status status = 0;
600 bool change = false;
601 int err = 0;
602 u8 autoneg;
603 u32 advertise;
604
605 /* Changing port settings is not supported if this isn't the
606 * port's controlling PF
607 */
608 if (hw->partition_id != 1) {
609 i40e_partition_setting_complaint(pf);
610 return -EOPNOTSUPP;
611 }
612
613 if (vsi != pf->vsi[pf->lan_vsi])
614 return -EOPNOTSUPP;
615
616 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
617 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
618 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
619 hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
620 return -EOPNOTSUPP;
621
622 if (hw->device_id == I40E_DEV_ID_KX_B ||
623 hw->device_id == I40E_DEV_ID_KX_C ||
624 hw->device_id == I40E_DEV_ID_20G_KR2 ||
625 hw->device_id == I40E_DEV_ID_20G_KR2_A) {
626 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
627 return -EOPNOTSUPP;
628 }
629
630 /* get our own copy of the bits to check against */
631 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
632 i40e_get_settings(netdev, &safe_ecmd);
633
634 /* save autoneg and speed out of ecmd */
635 autoneg = ecmd->autoneg;
636 advertise = ecmd->advertising;
637
638 /* set autoneg and speed back to what they currently are */
639 ecmd->autoneg = safe_ecmd.autoneg;
640 ecmd->advertising = safe_ecmd.advertising;
641
642 ecmd->cmd = safe_ecmd.cmd;
643 /* If ecmd and safe_ecmd are not the same now, then they are
644 * trying to set something that we do not support
645 */
646 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
647 return -EOPNOTSUPP;
648
649 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
650 usleep_range(1000, 2000);
651
652 /* Get the current phy config */
653 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
654 NULL);
655 if (status)
656 return -EAGAIN;
657
658 /* Copy abilities to config in case autoneg is not
659 * set below
660 */
661 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
662 config.abilities = abilities.abilities;
663
664 /* Check autoneg */
665 if (autoneg == AUTONEG_ENABLE) {
666 /* If autoneg was not already enabled */
667 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
668 /* If autoneg is not supported, return error */
669 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
670 netdev_info(netdev, "Autoneg not supported on this phy\n");
671 return -EINVAL;
672 }
673 /* Autoneg is allowed to change */
674 config.abilities = abilities.abilities |
675 I40E_AQ_PHY_ENABLE_AN;
676 change = true;
677 }
678 } else {
679 /* If autoneg is currently enabled */
680 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
681 /* If autoneg is supported 10GBASE_T is the only PHY
682 * that can disable it, so otherwise return error
683 */
684 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
685 hw->phy.link_info.phy_type !=
686 I40E_PHY_TYPE_10GBASE_T) {
687 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
688 return -EINVAL;
689 }
690 /* Autoneg is allowed to change */
691 config.abilities = abilities.abilities &
692 ~I40E_AQ_PHY_ENABLE_AN;
693 change = true;
694 }
695 }
696
697 if (advertise & ~safe_ecmd.supported)
698 return -EINVAL;
699
700 if (advertise & ADVERTISED_100baseT_Full)
701 config.link_speed |= I40E_LINK_SPEED_100MB;
702 if (advertise & ADVERTISED_1000baseT_Full ||
703 advertise & ADVERTISED_1000baseKX_Full)
704 config.link_speed |= I40E_LINK_SPEED_1GB;
705 if (advertise & ADVERTISED_10000baseT_Full ||
706 advertise & ADVERTISED_10000baseKX4_Full ||
707 advertise & ADVERTISED_10000baseKR_Full)
708 config.link_speed |= I40E_LINK_SPEED_10GB;
709 if (advertise & ADVERTISED_20000baseKR2_Full)
710 config.link_speed |= I40E_LINK_SPEED_20GB;
711 if (advertise & ADVERTISED_40000baseKR4_Full ||
712 advertise & ADVERTISED_40000baseCR4_Full ||
713 advertise & ADVERTISED_40000baseSR4_Full ||
714 advertise & ADVERTISED_40000baseLR4_Full)
715 config.link_speed |= I40E_LINK_SPEED_40GB;
716
717 /* If speed didn't get set, set it to what it currently is.
718 * This is needed because if advertise is 0 (as it is when autoneg
719 * is disabled) then speed won't get set.
720 */
721 if (!config.link_speed)
722 config.link_speed = abilities.link_speed;
723
724 if (change || (abilities.link_speed != config.link_speed)) {
725 /* copy over the rest of the abilities */
726 config.phy_type = abilities.phy_type;
727 config.eee_capability = abilities.eee_capability;
728 config.eeer = abilities.eeer_val;
729 config.low_power_ctrl = abilities.d3_lpan;
730
731 /* save the requested speeds */
732 hw->phy.link_info.requested_speeds = config.link_speed;
733 /* set link and auto negotiation so changes take effect */
734 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
735 /* If link is up put link down */
736 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
737 /* Tell the OS link is going down, the link will go
738 * back up when fw says it is ready asynchronously
739 */
740 i40e_print_link_message(vsi, false);
741 netif_carrier_off(netdev);
742 netif_tx_stop_all_queues(netdev);
743 }
744
745 /* make the aq call */
746 status = i40e_aq_set_phy_config(hw, &config, NULL);
747 if (status) {
748 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
749 i40e_stat_str(hw, status),
750 i40e_aq_str(hw, hw->aq.asq_last_status));
751 return -EAGAIN;
752 }
753
754 status = i40e_update_link_info(hw);
755 if (status)
756 netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
757 i40e_stat_str(hw, status),
758 i40e_aq_str(hw, hw->aq.asq_last_status));
759
760 } else {
761 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
762 }
763
764 return err;
765 }
766
767 static int i40e_nway_reset(struct net_device *netdev)
768 {
769 /* restart autonegotiation */
770 struct i40e_netdev_priv *np = netdev_priv(netdev);
771 struct i40e_pf *pf = np->vsi->back;
772 struct i40e_hw *hw = &pf->hw;
773 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
774 i40e_status ret = 0;
775
776 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
777 if (ret) {
778 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
779 i40e_stat_str(hw, ret),
780 i40e_aq_str(hw, hw->aq.asq_last_status));
781 return -EIO;
782 }
783
784 return 0;
785 }
786
787 /**
788 * i40e_get_pauseparam - Get Flow Control status
789 * Return tx/rx-pause status
790 **/
791 static void i40e_get_pauseparam(struct net_device *netdev,
792 struct ethtool_pauseparam *pause)
793 {
794 struct i40e_netdev_priv *np = netdev_priv(netdev);
795 struct i40e_pf *pf = np->vsi->back;
796 struct i40e_hw *hw = &pf->hw;
797 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
798 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
799
800 pause->autoneg =
801 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
802 AUTONEG_ENABLE : AUTONEG_DISABLE);
803
804 /* PFC enabled so report LFC as off */
805 if (dcbx_cfg->pfc.pfcenable) {
806 pause->rx_pause = 0;
807 pause->tx_pause = 0;
808 return;
809 }
810
811 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
812 pause->rx_pause = 1;
813 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
814 pause->tx_pause = 1;
815 } else if (hw->fc.current_mode == I40E_FC_FULL) {
816 pause->rx_pause = 1;
817 pause->tx_pause = 1;
818 }
819 }
820
821 /**
822 * i40e_set_pauseparam - Set Flow Control parameter
823 * @netdev: network interface device structure
824 * @pause: return tx/rx flow control status
825 **/
826 static int i40e_set_pauseparam(struct net_device *netdev,
827 struct ethtool_pauseparam *pause)
828 {
829 struct i40e_netdev_priv *np = netdev_priv(netdev);
830 struct i40e_pf *pf = np->vsi->back;
831 struct i40e_vsi *vsi = np->vsi;
832 struct i40e_hw *hw = &pf->hw;
833 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
834 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
835 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
836 i40e_status status;
837 u8 aq_failures;
838 int err = 0;
839
840 /* Changing the port's flow control is not supported if this isn't the
841 * port's controlling PF
842 */
843 if (hw->partition_id != 1) {
844 i40e_partition_setting_complaint(pf);
845 return -EOPNOTSUPP;
846 }
847
848 if (vsi != pf->vsi[pf->lan_vsi])
849 return -EOPNOTSUPP;
850
851 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
852 AUTONEG_ENABLE : AUTONEG_DISABLE)) {
853 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
854 return -EOPNOTSUPP;
855 }
856
857 /* If we have link and don't have autoneg */
858 if (!test_bit(__I40E_DOWN, &pf->state) &&
859 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
860 /* Send message that it might not necessarily work*/
861 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
862 }
863
864 if (dcbx_cfg->pfc.pfcenable) {
865 netdev_info(netdev,
866 "Priority flow control enabled. Cannot set link flow control.\n");
867 return -EOPNOTSUPP;
868 }
869
870 if (pause->rx_pause && pause->tx_pause)
871 hw->fc.requested_mode = I40E_FC_FULL;
872 else if (pause->rx_pause && !pause->tx_pause)
873 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
874 else if (!pause->rx_pause && pause->tx_pause)
875 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
876 else if (!pause->rx_pause && !pause->tx_pause)
877 hw->fc.requested_mode = I40E_FC_NONE;
878 else
879 return -EINVAL;
880
881 /* Tell the OS link is going down, the link will go back up when fw
882 * says it is ready asynchronously
883 */
884 i40e_print_link_message(vsi, false);
885 netif_carrier_off(netdev);
886 netif_tx_stop_all_queues(netdev);
887
888 /* Set the fc mode and only restart an if link is up*/
889 status = i40e_set_fc(hw, &aq_failures, link_up);
890
891 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
892 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
893 i40e_stat_str(hw, status),
894 i40e_aq_str(hw, hw->aq.asq_last_status));
895 err = -EAGAIN;
896 }
897 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
898 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
899 i40e_stat_str(hw, status),
900 i40e_aq_str(hw, hw->aq.asq_last_status));
901 err = -EAGAIN;
902 }
903 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
904 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
905 i40e_stat_str(hw, status),
906 i40e_aq_str(hw, hw->aq.asq_last_status));
907 err = -EAGAIN;
908 }
909
910 if (!test_bit(__I40E_DOWN, &pf->state)) {
911 /* Give it a little more time to try to come back */
912 msleep(75);
913 if (!test_bit(__I40E_DOWN, &pf->state))
914 return i40e_nway_reset(netdev);
915 }
916
917 return err;
918 }
919
920 static u32 i40e_get_msglevel(struct net_device *netdev)
921 {
922 struct i40e_netdev_priv *np = netdev_priv(netdev);
923 struct i40e_pf *pf = np->vsi->back;
924
925 return pf->msg_enable;
926 }
927
928 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
929 {
930 struct i40e_netdev_priv *np = netdev_priv(netdev);
931 struct i40e_pf *pf = np->vsi->back;
932
933 if (I40E_DEBUG_USER & data)
934 pf->hw.debug_mask = data;
935 pf->msg_enable = data;
936 }
937
938 static int i40e_get_regs_len(struct net_device *netdev)
939 {
940 int reg_count = 0;
941 int i;
942
943 for (i = 0; i40e_reg_list[i].offset != 0; i++)
944 reg_count += i40e_reg_list[i].elements;
945
946 return reg_count * sizeof(u32);
947 }
948
949 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
950 void *p)
951 {
952 struct i40e_netdev_priv *np = netdev_priv(netdev);
953 struct i40e_pf *pf = np->vsi->back;
954 struct i40e_hw *hw = &pf->hw;
955 u32 *reg_buf = p;
956 int i, j, ri;
957 u32 reg;
958
959 /* Tell ethtool which driver-version-specific regs output we have.
960 *
961 * At some point, if we have ethtool doing special formatting of
962 * this data, it will rely on this version number to know how to
963 * interpret things. Hence, this needs to be updated if/when the
964 * diags register table is changed.
965 */
966 regs->version = 1;
967
968 /* loop through the diags reg table for what to print */
969 ri = 0;
970 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
971 for (j = 0; j < i40e_reg_list[i].elements; j++) {
972 reg = i40e_reg_list[i].offset
973 + (j * i40e_reg_list[i].stride);
974 reg_buf[ri++] = rd32(hw, reg);
975 }
976 }
977
978 }
979
980 static int i40e_get_eeprom(struct net_device *netdev,
981 struct ethtool_eeprom *eeprom, u8 *bytes)
982 {
983 struct i40e_netdev_priv *np = netdev_priv(netdev);
984 struct i40e_hw *hw = &np->vsi->back->hw;
985 struct i40e_pf *pf = np->vsi->back;
986 int ret_val = 0, len, offset;
987 u8 *eeprom_buff;
988 u16 i, sectors;
989 bool last;
990 u32 magic;
991
992 #define I40E_NVM_SECTOR_SIZE 4096
993 if (eeprom->len == 0)
994 return -EINVAL;
995
996 /* check for NVMUpdate access method */
997 magic = hw->vendor_id | (hw->device_id << 16);
998 if (eeprom->magic && eeprom->magic != magic) {
999 struct i40e_nvm_access *cmd;
1000 int errno;
1001
1002 /* make sure it is the right magic for NVMUpdate */
1003 if ((eeprom->magic >> 16) != hw->device_id)
1004 return -EINVAL;
1005
1006 cmd = (struct i40e_nvm_access *)eeprom;
1007 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1008 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM))
1009 dev_info(&pf->pdev->dev,
1010 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1011 ret_val, hw->aq.asq_last_status, errno,
1012 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1013 cmd->offset, cmd->data_size);
1014
1015 return errno;
1016 }
1017
1018 /* normal ethtool get_eeprom support */
1019 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1020
1021 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1022 if (!eeprom_buff)
1023 return -ENOMEM;
1024
1025 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1026 if (ret_val) {
1027 dev_info(&pf->pdev->dev,
1028 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1029 ret_val, hw->aq.asq_last_status);
1030 goto free_buff;
1031 }
1032
1033 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1034 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1035 len = I40E_NVM_SECTOR_SIZE;
1036 last = false;
1037 for (i = 0; i < sectors; i++) {
1038 if (i == (sectors - 1)) {
1039 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1040 last = true;
1041 }
1042 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1043 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1044 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1045 last, NULL);
1046 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1047 dev_info(&pf->pdev->dev,
1048 "read NVM failed, invalid offset 0x%x\n",
1049 offset);
1050 break;
1051 } else if (ret_val &&
1052 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1053 dev_info(&pf->pdev->dev,
1054 "read NVM failed, access, offset 0x%x\n",
1055 offset);
1056 break;
1057 } else if (ret_val) {
1058 dev_info(&pf->pdev->dev,
1059 "read NVM failed offset %d err=%d status=0x%x\n",
1060 offset, ret_val, hw->aq.asq_last_status);
1061 break;
1062 }
1063 }
1064
1065 i40e_release_nvm(hw);
1066 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1067 free_buff:
1068 kfree(eeprom_buff);
1069 return ret_val;
1070 }
1071
1072 static int i40e_get_eeprom_len(struct net_device *netdev)
1073 {
1074 struct i40e_netdev_priv *np = netdev_priv(netdev);
1075 struct i40e_hw *hw = &np->vsi->back->hw;
1076 u32 val;
1077
1078 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1079 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1080 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1081 /* register returns value in power of 2, 64Kbyte chunks. */
1082 val = (64 * 1024) * BIT(val);
1083 return val;
1084 }
1085
1086 static int i40e_set_eeprom(struct net_device *netdev,
1087 struct ethtool_eeprom *eeprom, u8 *bytes)
1088 {
1089 struct i40e_netdev_priv *np = netdev_priv(netdev);
1090 struct i40e_hw *hw = &np->vsi->back->hw;
1091 struct i40e_pf *pf = np->vsi->back;
1092 struct i40e_nvm_access *cmd;
1093 int ret_val = 0;
1094 int errno;
1095 u32 magic;
1096
1097 /* normal ethtool set_eeprom is not supported */
1098 magic = hw->vendor_id | (hw->device_id << 16);
1099 if (eeprom->magic == magic)
1100 return -EOPNOTSUPP;
1101
1102 /* check for NVMUpdate access method */
1103 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1104 return -EINVAL;
1105
1106 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1107 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1108 return -EBUSY;
1109
1110 cmd = (struct i40e_nvm_access *)eeprom;
1111 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1112 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM))
1113 dev_info(&pf->pdev->dev,
1114 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1115 ret_val, hw->aq.asq_last_status, errno,
1116 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1117 cmd->offset, cmd->data_size);
1118
1119 return errno;
1120 }
1121
1122 static void i40e_get_drvinfo(struct net_device *netdev,
1123 struct ethtool_drvinfo *drvinfo)
1124 {
1125 struct i40e_netdev_priv *np = netdev_priv(netdev);
1126 struct i40e_vsi *vsi = np->vsi;
1127 struct i40e_pf *pf = vsi->back;
1128
1129 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1130 strlcpy(drvinfo->version, i40e_driver_version_str,
1131 sizeof(drvinfo->version));
1132 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
1133 sizeof(drvinfo->fw_version));
1134 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1135 sizeof(drvinfo->bus_info));
1136 }
1137
1138 static void i40e_get_ringparam(struct net_device *netdev,
1139 struct ethtool_ringparam *ring)
1140 {
1141 struct i40e_netdev_priv *np = netdev_priv(netdev);
1142 struct i40e_pf *pf = np->vsi->back;
1143 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1144
1145 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1146 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1147 ring->rx_mini_max_pending = 0;
1148 ring->rx_jumbo_max_pending = 0;
1149 ring->rx_pending = vsi->rx_rings[0]->count;
1150 ring->tx_pending = vsi->tx_rings[0]->count;
1151 ring->rx_mini_pending = 0;
1152 ring->rx_jumbo_pending = 0;
1153 }
1154
1155 static int i40e_set_ringparam(struct net_device *netdev,
1156 struct ethtool_ringparam *ring)
1157 {
1158 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1159 struct i40e_netdev_priv *np = netdev_priv(netdev);
1160 struct i40e_vsi *vsi = np->vsi;
1161 struct i40e_pf *pf = vsi->back;
1162 u32 new_rx_count, new_tx_count;
1163 int i, err = 0;
1164
1165 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1166 return -EINVAL;
1167
1168 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1169 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1170 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1171 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1172 netdev_info(netdev,
1173 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1174 ring->tx_pending, ring->rx_pending,
1175 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1176 return -EINVAL;
1177 }
1178
1179 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1180 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1181
1182 /* if nothing to do return success */
1183 if ((new_tx_count == vsi->tx_rings[0]->count) &&
1184 (new_rx_count == vsi->rx_rings[0]->count))
1185 return 0;
1186
1187 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1188 usleep_range(1000, 2000);
1189
1190 if (!netif_running(vsi->netdev)) {
1191 /* simple case - set for the next time the netdev is started */
1192 for (i = 0; i < vsi->num_queue_pairs; i++) {
1193 vsi->tx_rings[i]->count = new_tx_count;
1194 vsi->rx_rings[i]->count = new_rx_count;
1195 }
1196 goto done;
1197 }
1198
1199 /* We can't just free everything and then setup again,
1200 * because the ISRs in MSI-X mode get passed pointers
1201 * to the Tx and Rx ring structs.
1202 */
1203
1204 /* alloc updated Tx resources */
1205 if (new_tx_count != vsi->tx_rings[0]->count) {
1206 netdev_info(netdev,
1207 "Changing Tx descriptor count from %d to %d.\n",
1208 vsi->tx_rings[0]->count, new_tx_count);
1209 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1210 sizeof(struct i40e_ring), GFP_KERNEL);
1211 if (!tx_rings) {
1212 err = -ENOMEM;
1213 goto done;
1214 }
1215
1216 for (i = 0; i < vsi->num_queue_pairs; i++) {
1217 /* clone ring and setup updated count */
1218 tx_rings[i] = *vsi->tx_rings[i];
1219 tx_rings[i].count = new_tx_count;
1220 /* the desc and bi pointers will be reallocated in the
1221 * setup call
1222 */
1223 tx_rings[i].desc = NULL;
1224 tx_rings[i].rx_bi = NULL;
1225 err = i40e_setup_tx_descriptors(&tx_rings[i]);
1226 if (err) {
1227 while (i) {
1228 i--;
1229 i40e_free_tx_resources(&tx_rings[i]);
1230 }
1231 kfree(tx_rings);
1232 tx_rings = NULL;
1233
1234 goto done;
1235 }
1236 }
1237 }
1238
1239 /* alloc updated Rx resources */
1240 if (new_rx_count != vsi->rx_rings[0]->count) {
1241 netdev_info(netdev,
1242 "Changing Rx descriptor count from %d to %d\n",
1243 vsi->rx_rings[0]->count, new_rx_count);
1244 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1245 sizeof(struct i40e_ring), GFP_KERNEL);
1246 if (!rx_rings) {
1247 err = -ENOMEM;
1248 goto free_tx;
1249 }
1250
1251 for (i = 0; i < vsi->num_queue_pairs; i++) {
1252 /* clone ring and setup updated count */
1253 rx_rings[i] = *vsi->rx_rings[i];
1254 rx_rings[i].count = new_rx_count;
1255 /* the desc and bi pointers will be reallocated in the
1256 * setup call
1257 */
1258 rx_rings[i].desc = NULL;
1259 rx_rings[i].rx_bi = NULL;
1260 err = i40e_setup_rx_descriptors(&rx_rings[i]);
1261 if (err) {
1262 while (i) {
1263 i--;
1264 i40e_free_rx_resources(&rx_rings[i]);
1265 }
1266 kfree(rx_rings);
1267 rx_rings = NULL;
1268
1269 goto free_tx;
1270 }
1271 }
1272 }
1273
1274 /* Bring interface down, copy in the new ring info,
1275 * then restore the interface
1276 */
1277 i40e_down(vsi);
1278
1279 if (tx_rings) {
1280 for (i = 0; i < vsi->num_queue_pairs; i++) {
1281 i40e_free_tx_resources(vsi->tx_rings[i]);
1282 *vsi->tx_rings[i] = tx_rings[i];
1283 }
1284 kfree(tx_rings);
1285 tx_rings = NULL;
1286 }
1287
1288 if (rx_rings) {
1289 for (i = 0; i < vsi->num_queue_pairs; i++) {
1290 i40e_free_rx_resources(vsi->rx_rings[i]);
1291 *vsi->rx_rings[i] = rx_rings[i];
1292 }
1293 kfree(rx_rings);
1294 rx_rings = NULL;
1295 }
1296
1297 i40e_up(vsi);
1298
1299 free_tx:
1300 /* error cleanup if the Rx allocations failed after getting Tx */
1301 if (tx_rings) {
1302 for (i = 0; i < vsi->num_queue_pairs; i++)
1303 i40e_free_tx_resources(&tx_rings[i]);
1304 kfree(tx_rings);
1305 tx_rings = NULL;
1306 }
1307
1308 done:
1309 clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1310
1311 return err;
1312 }
1313
1314 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1315 {
1316 struct i40e_netdev_priv *np = netdev_priv(netdev);
1317 struct i40e_vsi *vsi = np->vsi;
1318 struct i40e_pf *pf = vsi->back;
1319
1320 switch (sset) {
1321 case ETH_SS_TEST:
1322 return I40E_TEST_LEN;
1323 case ETH_SS_STATS:
1324 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1325 int len = I40E_PF_STATS_LEN(netdev);
1326
1327 if ((pf->lan_veb != I40E_NO_VEB) &&
1328 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1329 len += I40E_VEB_STATS_TOTAL;
1330 return len;
1331 } else {
1332 return I40E_VSI_STATS_LEN(netdev);
1333 }
1334 case ETH_SS_PRIV_FLAGS:
1335 return I40E_PRIV_FLAGS_STR_LEN;
1336 default:
1337 return -EOPNOTSUPP;
1338 }
1339 }
1340
1341 static void i40e_get_ethtool_stats(struct net_device *netdev,
1342 struct ethtool_stats *stats, u64 *data)
1343 {
1344 struct i40e_netdev_priv *np = netdev_priv(netdev);
1345 struct i40e_ring *tx_ring, *rx_ring;
1346 struct i40e_vsi *vsi = np->vsi;
1347 struct i40e_pf *pf = vsi->back;
1348 int i = 0;
1349 char *p;
1350 int j;
1351 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1352 unsigned int start;
1353
1354 i40e_update_stats(vsi);
1355
1356 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1357 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1358 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1359 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1360 }
1361 for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1362 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1363 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1364 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1365 }
1366 #ifdef I40E_FCOE
1367 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1368 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1369 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1370 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1371 }
1372 #endif
1373 rcu_read_lock();
1374 for (j = 0; j < vsi->num_queue_pairs; j++) {
1375 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1376
1377 if (!tx_ring)
1378 continue;
1379
1380 /* process Tx ring statistics */
1381 do {
1382 start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1383 data[i] = tx_ring->stats.packets;
1384 data[i + 1] = tx_ring->stats.bytes;
1385 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1386 i += 2;
1387
1388 /* Rx ring is the 2nd half of the queue pair */
1389 rx_ring = &tx_ring[1];
1390 do {
1391 start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1392 data[i] = rx_ring->stats.packets;
1393 data[i + 1] = rx_ring->stats.bytes;
1394 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1395 i += 2;
1396 }
1397 rcu_read_unlock();
1398 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1399 return;
1400
1401 if ((pf->lan_veb != I40E_NO_VEB) &&
1402 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1403 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1404
1405 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1406 p = (char *)veb;
1407 p += i40e_gstrings_veb_stats[j].stat_offset;
1408 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1409 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1410 }
1411 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1412 data[i++] = veb->tc_stats.tc_tx_packets[j];
1413 data[i++] = veb->tc_stats.tc_tx_bytes[j];
1414 data[i++] = veb->tc_stats.tc_rx_packets[j];
1415 data[i++] = veb->tc_stats.tc_rx_bytes[j];
1416 }
1417 }
1418 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1419 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1420 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1421 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1422 }
1423 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1424 data[i++] = pf->stats.priority_xon_tx[j];
1425 data[i++] = pf->stats.priority_xoff_tx[j];
1426 }
1427 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1428 data[i++] = pf->stats.priority_xon_rx[j];
1429 data[i++] = pf->stats.priority_xoff_rx[j];
1430 }
1431 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1432 data[i++] = pf->stats.priority_xon_2_xoff[j];
1433 }
1434
1435 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1436 u8 *data)
1437 {
1438 struct i40e_netdev_priv *np = netdev_priv(netdev);
1439 struct i40e_vsi *vsi = np->vsi;
1440 struct i40e_pf *pf = vsi->back;
1441 char *p = (char *)data;
1442 int i;
1443
1444 switch (stringset) {
1445 case ETH_SS_TEST:
1446 for (i = 0; i < I40E_TEST_LEN; i++) {
1447 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1448 data += ETH_GSTRING_LEN;
1449 }
1450 break;
1451 case ETH_SS_STATS:
1452 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1453 snprintf(p, ETH_GSTRING_LEN, "%s",
1454 i40e_gstrings_net_stats[i].stat_string);
1455 p += ETH_GSTRING_LEN;
1456 }
1457 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1458 snprintf(p, ETH_GSTRING_LEN, "%s",
1459 i40e_gstrings_misc_stats[i].stat_string);
1460 p += ETH_GSTRING_LEN;
1461 }
1462 #ifdef I40E_FCOE
1463 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1464 snprintf(p, ETH_GSTRING_LEN, "%s",
1465 i40e_gstrings_fcoe_stats[i].stat_string);
1466 p += ETH_GSTRING_LEN;
1467 }
1468 #endif
1469 for (i = 0; i < vsi->num_queue_pairs; i++) {
1470 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1471 p += ETH_GSTRING_LEN;
1472 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1473 p += ETH_GSTRING_LEN;
1474 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1475 p += ETH_GSTRING_LEN;
1476 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1477 p += ETH_GSTRING_LEN;
1478 }
1479 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1480 return;
1481
1482 if ((pf->lan_veb != I40E_NO_VEB) &&
1483 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1484 for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1485 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1486 i40e_gstrings_veb_stats[i].stat_string);
1487 p += ETH_GSTRING_LEN;
1488 }
1489 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1490 snprintf(p, ETH_GSTRING_LEN,
1491 "veb.tc_%u_tx_packets", i);
1492 p += ETH_GSTRING_LEN;
1493 snprintf(p, ETH_GSTRING_LEN,
1494 "veb.tc_%u_tx_bytes", i);
1495 p += ETH_GSTRING_LEN;
1496 snprintf(p, ETH_GSTRING_LEN,
1497 "veb.tc_%u_rx_packets", i);
1498 p += ETH_GSTRING_LEN;
1499 snprintf(p, ETH_GSTRING_LEN,
1500 "veb.tc_%u_rx_bytes", i);
1501 p += ETH_GSTRING_LEN;
1502 }
1503 }
1504 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1505 snprintf(p, ETH_GSTRING_LEN, "port.%s",
1506 i40e_gstrings_stats[i].stat_string);
1507 p += ETH_GSTRING_LEN;
1508 }
1509 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1510 snprintf(p, ETH_GSTRING_LEN,
1511 "port.tx_priority_%u_xon", i);
1512 p += ETH_GSTRING_LEN;
1513 snprintf(p, ETH_GSTRING_LEN,
1514 "port.tx_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", i);
1520 p += ETH_GSTRING_LEN;
1521 snprintf(p, ETH_GSTRING_LEN,
1522 "port.rx_priority_%u_xoff", i);
1523 p += ETH_GSTRING_LEN;
1524 }
1525 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1526 snprintf(p, ETH_GSTRING_LEN,
1527 "port.rx_priority_%u_xon_2_xoff", i);
1528 p += ETH_GSTRING_LEN;
1529 }
1530 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1531 break;
1532 case ETH_SS_PRIV_FLAGS:
1533 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1534 memcpy(data, i40e_priv_flags_strings[i],
1535 ETH_GSTRING_LEN);
1536 data += ETH_GSTRING_LEN;
1537 }
1538 break;
1539 default:
1540 break;
1541 }
1542 }
1543
1544 static int i40e_get_ts_info(struct net_device *dev,
1545 struct ethtool_ts_info *info)
1546 {
1547 struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1548
1549 /* only report HW timestamping if PTP is enabled */
1550 if (!(pf->flags & I40E_FLAG_PTP))
1551 return ethtool_op_get_ts_info(dev, info);
1552
1553 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1554 SOF_TIMESTAMPING_RX_SOFTWARE |
1555 SOF_TIMESTAMPING_SOFTWARE |
1556 SOF_TIMESTAMPING_TX_HARDWARE |
1557 SOF_TIMESTAMPING_RX_HARDWARE |
1558 SOF_TIMESTAMPING_RAW_HARDWARE;
1559
1560 if (pf->ptp_clock)
1561 info->phc_index = ptp_clock_index(pf->ptp_clock);
1562 else
1563 info->phc_index = -1;
1564
1565 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1566
1567 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1568 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1569 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1570
1571 return 0;
1572 }
1573
1574 static int i40e_link_test(struct net_device *netdev, u64 *data)
1575 {
1576 struct i40e_netdev_priv *np = netdev_priv(netdev);
1577 struct i40e_pf *pf = np->vsi->back;
1578 i40e_status status;
1579 bool link_up = false;
1580
1581 netif_info(pf, hw, netdev, "link test\n");
1582 status = i40e_get_link_status(&pf->hw, &link_up);
1583 if (status) {
1584 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1585 *data = 1;
1586 return *data;
1587 }
1588
1589 if (link_up)
1590 *data = 0;
1591 else
1592 *data = 1;
1593
1594 return *data;
1595 }
1596
1597 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1598 {
1599 struct i40e_netdev_priv *np = netdev_priv(netdev);
1600 struct i40e_pf *pf = np->vsi->back;
1601
1602 netif_info(pf, hw, netdev, "register test\n");
1603 *data = i40e_diag_reg_test(&pf->hw);
1604
1605 return *data;
1606 }
1607
1608 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1609 {
1610 struct i40e_netdev_priv *np = netdev_priv(netdev);
1611 struct i40e_pf *pf = np->vsi->back;
1612
1613 netif_info(pf, hw, netdev, "eeprom test\n");
1614 *data = i40e_diag_eeprom_test(&pf->hw);
1615
1616 /* forcebly clear the NVM Update state machine */
1617 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1618
1619 return *data;
1620 }
1621
1622 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1623 {
1624 struct i40e_netdev_priv *np = netdev_priv(netdev);
1625 struct i40e_pf *pf = np->vsi->back;
1626 u16 swc_old = pf->sw_int_count;
1627
1628 netif_info(pf, hw, netdev, "interrupt test\n");
1629 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1630 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1631 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1632 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1633 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1634 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1635 usleep_range(1000, 2000);
1636 *data = (swc_old == pf->sw_int_count);
1637
1638 return *data;
1639 }
1640
1641 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1642 {
1643 struct i40e_netdev_priv *np = netdev_priv(netdev);
1644 struct i40e_pf *pf = np->vsi->back;
1645
1646 netif_info(pf, hw, netdev, "loopback test not implemented\n");
1647 *data = 0;
1648
1649 return *data;
1650 }
1651
1652 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1653 {
1654 struct i40e_vf *vfs = pf->vf;
1655 int i;
1656
1657 for (i = 0; i < pf->num_alloc_vfs; i++)
1658 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1659 return true;
1660 return false;
1661 }
1662
1663 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1664 {
1665 struct i40e_vsi **vsi = pf->vsi;
1666 int i;
1667
1668 for (i = 0; i < pf->num_alloc_vsi; i++) {
1669 if (!vsi[i])
1670 continue;
1671 if (vsi[i]->type == I40E_VSI_VMDQ2)
1672 return true;
1673 }
1674
1675 return false;
1676 }
1677
1678 static void i40e_diag_test(struct net_device *netdev,
1679 struct ethtool_test *eth_test, u64 *data)
1680 {
1681 struct i40e_netdev_priv *np = netdev_priv(netdev);
1682 bool if_running = netif_running(netdev);
1683 struct i40e_pf *pf = np->vsi->back;
1684
1685 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1686 /* Offline tests */
1687 netif_info(pf, drv, netdev, "offline testing starting\n");
1688
1689 set_bit(__I40E_TESTING, &pf->state);
1690
1691 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1692 dev_warn(&pf->pdev->dev,
1693 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1694 data[I40E_ETH_TEST_REG] = 1;
1695 data[I40E_ETH_TEST_EEPROM] = 1;
1696 data[I40E_ETH_TEST_INTR] = 1;
1697 data[I40E_ETH_TEST_LOOPBACK] = 1;
1698 data[I40E_ETH_TEST_LINK] = 1;
1699 eth_test->flags |= ETH_TEST_FL_FAILED;
1700 clear_bit(__I40E_TESTING, &pf->state);
1701 goto skip_ol_tests;
1702 }
1703
1704 /* If the device is online then take it offline */
1705 if (if_running)
1706 /* indicate we're in test mode */
1707 dev_close(netdev);
1708 else
1709 /* This reset does not affect link - if it is
1710 * changed to a type of reset that does affect
1711 * link then the following link test would have
1712 * to be moved to before the reset
1713 */
1714 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1715
1716 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1717 eth_test->flags |= ETH_TEST_FL_FAILED;
1718
1719 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1720 eth_test->flags |= ETH_TEST_FL_FAILED;
1721
1722 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1723 eth_test->flags |= ETH_TEST_FL_FAILED;
1724
1725 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1726 eth_test->flags |= ETH_TEST_FL_FAILED;
1727
1728 /* run reg test last, a reset is required after it */
1729 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1730 eth_test->flags |= ETH_TEST_FL_FAILED;
1731
1732 clear_bit(__I40E_TESTING, &pf->state);
1733 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1734
1735 if (if_running)
1736 dev_open(netdev);
1737 } else {
1738 /* Online tests */
1739 netif_info(pf, drv, netdev, "online testing starting\n");
1740
1741 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1742 eth_test->flags |= ETH_TEST_FL_FAILED;
1743
1744 /* Offline only tests, not run in online; pass by default */
1745 data[I40E_ETH_TEST_REG] = 0;
1746 data[I40E_ETH_TEST_EEPROM] = 0;
1747 data[I40E_ETH_TEST_INTR] = 0;
1748 data[I40E_ETH_TEST_LOOPBACK] = 0;
1749 }
1750
1751 skip_ol_tests:
1752
1753 netif_info(pf, drv, netdev, "testing finished\n");
1754 }
1755
1756 static void i40e_get_wol(struct net_device *netdev,
1757 struct ethtool_wolinfo *wol)
1758 {
1759 struct i40e_netdev_priv *np = netdev_priv(netdev);
1760 struct i40e_pf *pf = np->vsi->back;
1761 struct i40e_hw *hw = &pf->hw;
1762 u16 wol_nvm_bits;
1763
1764 /* NVM bit on means WoL disabled for the port */
1765 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1766 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1767 wol->supported = 0;
1768 wol->wolopts = 0;
1769 } else {
1770 wol->supported = WAKE_MAGIC;
1771 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1772 }
1773 }
1774
1775 /**
1776 * i40e_set_wol - set the WakeOnLAN configuration
1777 * @netdev: the netdev in question
1778 * @wol: the ethtool WoL setting data
1779 **/
1780 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1781 {
1782 struct i40e_netdev_priv *np = netdev_priv(netdev);
1783 struct i40e_pf *pf = np->vsi->back;
1784 struct i40e_vsi *vsi = np->vsi;
1785 struct i40e_hw *hw = &pf->hw;
1786 u16 wol_nvm_bits;
1787
1788 /* WoL not supported if this isn't the controlling PF on the port */
1789 if (hw->partition_id != 1) {
1790 i40e_partition_setting_complaint(pf);
1791 return -EOPNOTSUPP;
1792 }
1793
1794 if (vsi != pf->vsi[pf->lan_vsi])
1795 return -EOPNOTSUPP;
1796
1797 /* NVM bit on means WoL disabled for the port */
1798 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1799 if (BIT(hw->port) & wol_nvm_bits)
1800 return -EOPNOTSUPP;
1801
1802 /* only magic packet is supported */
1803 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1804 return -EOPNOTSUPP;
1805
1806 /* is this a new value? */
1807 if (pf->wol_en != !!wol->wolopts) {
1808 pf->wol_en = !!wol->wolopts;
1809 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1810 }
1811
1812 return 0;
1813 }
1814
1815 static int i40e_set_phys_id(struct net_device *netdev,
1816 enum ethtool_phys_id_state state)
1817 {
1818 struct i40e_netdev_priv *np = netdev_priv(netdev);
1819 struct i40e_pf *pf = np->vsi->back;
1820 struct i40e_hw *hw = &pf->hw;
1821 int blink_freq = 2;
1822
1823 switch (state) {
1824 case ETHTOOL_ID_ACTIVE:
1825 pf->led_status = i40e_led_get(hw);
1826 return blink_freq;
1827 case ETHTOOL_ID_ON:
1828 i40e_led_set(hw, 0xF, false);
1829 break;
1830 case ETHTOOL_ID_OFF:
1831 i40e_led_set(hw, 0x0, false);
1832 break;
1833 case ETHTOOL_ID_INACTIVE:
1834 i40e_led_set(hw, pf->led_status, false);
1835 break;
1836 default:
1837 break;
1838 }
1839
1840 return 0;
1841 }
1842
1843 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1844 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1845 * 125us (8000 interrupts per second) == ITR(62)
1846 */
1847
1848 static int i40e_get_coalesce(struct net_device *netdev,
1849 struct ethtool_coalesce *ec)
1850 {
1851 struct i40e_netdev_priv *np = netdev_priv(netdev);
1852 struct i40e_vsi *vsi = np->vsi;
1853
1854 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1855 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1856
1857 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1858 ec->use_adaptive_rx_coalesce = 1;
1859
1860 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1861 ec->use_adaptive_tx_coalesce = 1;
1862
1863 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1864 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1865 /* we use the _usecs_high to store/set the interrupt rate limit
1866 * that the hardware supports, that almost but not quite
1867 * fits the original intent of the ethtool variable,
1868 * the rx_coalesce_usecs_high limits total interrupts
1869 * per second from both tx/rx sources.
1870 */
1871 ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
1872 ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
1873
1874 return 0;
1875 }
1876
1877 static int i40e_set_coalesce(struct net_device *netdev,
1878 struct ethtool_coalesce *ec)
1879 {
1880 struct i40e_netdev_priv *np = netdev_priv(netdev);
1881 struct i40e_q_vector *q_vector;
1882 struct i40e_vsi *vsi = np->vsi;
1883 struct i40e_pf *pf = vsi->back;
1884 struct i40e_hw *hw = &pf->hw;
1885 u16 vector;
1886 int i;
1887
1888 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1889 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1890
1891 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
1892 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
1893 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
1894 return -EINVAL;
1895 }
1896
1897 if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
1898 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n");
1899 return -EINVAL;
1900 }
1901
1902 vector = vsi->base_vector;
1903 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1904 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1905 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1906 } else if (ec->rx_coalesce_usecs == 0) {
1907 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1908 if (ec->use_adaptive_rx_coalesce)
1909 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1910 } else {
1911 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1912 return -EINVAL;
1913 }
1914
1915 vsi->int_rate_limit = ec->rx_coalesce_usecs_high;
1916
1917 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1918 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1919 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1920 } else if (ec->tx_coalesce_usecs == 0) {
1921 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1922 if (ec->use_adaptive_tx_coalesce)
1923 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1924 } else {
1925 netif_info(pf, drv, netdev,
1926 "Invalid value, tx-usecs range is 0-8160\n");
1927 return -EINVAL;
1928 }
1929
1930 if (ec->use_adaptive_rx_coalesce)
1931 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1932 else
1933 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1934
1935 if (ec->use_adaptive_tx_coalesce)
1936 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1937 else
1938 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1939
1940 for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1941 u16 intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit);
1942
1943 q_vector = vsi->q_vectors[i];
1944 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1945 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1946 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1947 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1948 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
1949 i40e_flush(hw);
1950 }
1951
1952 return 0;
1953 }
1954
1955 /**
1956 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1957 * @pf: pointer to the physical function struct
1958 * @cmd: ethtool rxnfc command
1959 *
1960 * Returns Success if the flow is supported, else Invalid Input.
1961 **/
1962 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1963 {
1964 cmd->data = 0;
1965
1966 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1967 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1968 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1969 return 0;
1970 }
1971 /* Report default options for RSS on i40e */
1972 switch (cmd->flow_type) {
1973 case TCP_V4_FLOW:
1974 case UDP_V4_FLOW:
1975 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1976 /* fall through to add IP fields */
1977 case SCTP_V4_FLOW:
1978 case AH_ESP_V4_FLOW:
1979 case AH_V4_FLOW:
1980 case ESP_V4_FLOW:
1981 case IPV4_FLOW:
1982 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1983 break;
1984 case TCP_V6_FLOW:
1985 case UDP_V6_FLOW:
1986 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1987 /* fall through to add IP fields */
1988 case SCTP_V6_FLOW:
1989 case AH_ESP_V6_FLOW:
1990 case AH_V6_FLOW:
1991 case ESP_V6_FLOW:
1992 case IPV6_FLOW:
1993 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1994 break;
1995 default:
1996 return -EINVAL;
1997 }
1998
1999 return 0;
2000 }
2001
2002 /**
2003 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
2004 * @pf: Pointer to the physical function struct
2005 * @cmd: The command to get or set Rx flow classification rules
2006 * @rule_locs: Array of used rule locations
2007 *
2008 * This function populates both the total and actual rule count of
2009 * the ethtool flow classification command
2010 *
2011 * Returns 0 on success or -EMSGSIZE if entry not found
2012 **/
2013 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2014 struct ethtool_rxnfc *cmd,
2015 u32 *rule_locs)
2016 {
2017 struct i40e_fdir_filter *rule;
2018 struct hlist_node *node2;
2019 int cnt = 0;
2020
2021 /* report total rule count */
2022 cmd->data = i40e_get_fd_cnt_all(pf);
2023
2024 hlist_for_each_entry_safe(rule, node2,
2025 &pf->fdir_filter_list, fdir_node) {
2026 if (cnt == cmd->rule_cnt)
2027 return -EMSGSIZE;
2028
2029 rule_locs[cnt] = rule->fd_id;
2030 cnt++;
2031 }
2032
2033 cmd->rule_cnt = cnt;
2034
2035 return 0;
2036 }
2037
2038 /**
2039 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2040 * @pf: Pointer to the physical function struct
2041 * @cmd: The command to get or set Rx flow classification rules
2042 *
2043 * This function looks up a filter based on the Rx flow classification
2044 * command and fills the flow spec info for it if found
2045 *
2046 * Returns 0 on success or -EINVAL if filter not found
2047 **/
2048 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2049 struct ethtool_rxnfc *cmd)
2050 {
2051 struct ethtool_rx_flow_spec *fsp =
2052 (struct ethtool_rx_flow_spec *)&cmd->fs;
2053 struct i40e_fdir_filter *rule = NULL;
2054 struct hlist_node *node2;
2055
2056 hlist_for_each_entry_safe(rule, node2,
2057 &pf->fdir_filter_list, fdir_node) {
2058 if (fsp->location <= rule->fd_id)
2059 break;
2060 }
2061
2062 if (!rule || fsp->location != rule->fd_id)
2063 return -EINVAL;
2064
2065 fsp->flow_type = rule->flow_type;
2066 if (fsp->flow_type == IP_USER_FLOW) {
2067 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2068 fsp->h_u.usr_ip4_spec.proto = 0;
2069 fsp->m_u.usr_ip4_spec.proto = 0;
2070 }
2071
2072 /* Reverse the src and dest notion, since the HW views them from
2073 * Tx perspective where as the user expects it from Rx filter view.
2074 */
2075 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2076 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2077 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2078 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2079
2080 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2081 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2082 else
2083 fsp->ring_cookie = rule->q_index;
2084
2085 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2086 struct i40e_vsi *vsi;
2087
2088 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2089 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2090 fsp->h_ext.data[1] = htonl(vsi->vf_id);
2091 fsp->m_ext.data[1] = htonl(0x1);
2092 }
2093 }
2094
2095 return 0;
2096 }
2097
2098 /**
2099 * i40e_get_rxnfc - command to get RX flow classification rules
2100 * @netdev: network interface device structure
2101 * @cmd: ethtool rxnfc command
2102 *
2103 * Returns Success if the command is supported.
2104 **/
2105 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2106 u32 *rule_locs)
2107 {
2108 struct i40e_netdev_priv *np = netdev_priv(netdev);
2109 struct i40e_vsi *vsi = np->vsi;
2110 struct i40e_pf *pf = vsi->back;
2111 int ret = -EOPNOTSUPP;
2112
2113 switch (cmd->cmd) {
2114 case ETHTOOL_GRXRINGS:
2115 cmd->data = vsi->num_queue_pairs;
2116 ret = 0;
2117 break;
2118 case ETHTOOL_GRXFH:
2119 ret = i40e_get_rss_hash_opts(pf, cmd);
2120 break;
2121 case ETHTOOL_GRXCLSRLCNT:
2122 cmd->rule_cnt = pf->fdir_pf_active_filters;
2123 /* report total rule count */
2124 cmd->data = i40e_get_fd_cnt_all(pf);
2125 ret = 0;
2126 break;
2127 case ETHTOOL_GRXCLSRULE:
2128 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2129 break;
2130 case ETHTOOL_GRXCLSRLALL:
2131 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2132 break;
2133 default:
2134 break;
2135 }
2136
2137 return ret;
2138 }
2139
2140 /**
2141 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2142 * @pf: pointer to the physical function struct
2143 * @cmd: ethtool rxnfc command
2144 *
2145 * Returns Success if the flow input set is supported.
2146 **/
2147 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2148 {
2149 struct i40e_hw *hw = &pf->hw;
2150 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2151 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2152
2153 /* RSS does not support anything other than hashing
2154 * to queues on src and dst IPs and ports
2155 */
2156 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2157 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2158 return -EINVAL;
2159
2160 /* We need at least the IP SRC and DEST fields for hashing */
2161 if (!(nfc->data & RXH_IP_SRC) ||
2162 !(nfc->data & RXH_IP_DST))
2163 return -EINVAL;
2164
2165 switch (nfc->flow_type) {
2166 case TCP_V4_FLOW:
2167 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2168 case 0:
2169 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2170 break;
2171 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2172 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2173 break;
2174 default:
2175 return -EINVAL;
2176 }
2177 break;
2178 case TCP_V6_FLOW:
2179 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2180 case 0:
2181 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2182 break;
2183 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2184 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2185 break;
2186 default:
2187 return -EINVAL;
2188 }
2189 break;
2190 case UDP_V4_FLOW:
2191 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2192 case 0:
2193 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2194 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2195 break;
2196 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2197 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2198 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2199 break;
2200 default:
2201 return -EINVAL;
2202 }
2203 break;
2204 case UDP_V6_FLOW:
2205 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2206 case 0:
2207 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2208 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2209 break;
2210 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2211 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2212 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2213 break;
2214 default:
2215 return -EINVAL;
2216 }
2217 break;
2218 case AH_ESP_V4_FLOW:
2219 case AH_V4_FLOW:
2220 case ESP_V4_FLOW:
2221 case SCTP_V4_FLOW:
2222 if ((nfc->data & RXH_L4_B_0_1) ||
2223 (nfc->data & RXH_L4_B_2_3))
2224 return -EINVAL;
2225 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2226 break;
2227 case AH_ESP_V6_FLOW:
2228 case AH_V6_FLOW:
2229 case ESP_V6_FLOW:
2230 case SCTP_V6_FLOW:
2231 if ((nfc->data & RXH_L4_B_0_1) ||
2232 (nfc->data & RXH_L4_B_2_3))
2233 return -EINVAL;
2234 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2235 break;
2236 case IPV4_FLOW:
2237 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2238 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2239 break;
2240 case IPV6_FLOW:
2241 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2242 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2243 break;
2244 default:
2245 return -EINVAL;
2246 }
2247
2248 wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2249 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2250 i40e_flush(hw);
2251
2252 /* Save setting for future output/update */
2253 pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2254
2255 return 0;
2256 }
2257
2258 /**
2259 * i40e_match_fdir_input_set - Match a new filter against an existing one
2260 * @rule: The filter already added
2261 * @input: The new filter to comapre against
2262 *
2263 * Returns true if the two input set match
2264 **/
2265 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2266 struct i40e_fdir_filter *input)
2267 {
2268 if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2269 (rule->src_ip[0] != input->src_ip[0]) ||
2270 (rule->dst_port != input->dst_port) ||
2271 (rule->src_port != input->src_port))
2272 return false;
2273 return true;
2274 }
2275
2276 /**
2277 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2278 * @vsi: Pointer to the targeted VSI
2279 * @input: The filter to update or NULL to indicate deletion
2280 * @sw_idx: Software index to the filter
2281 * @cmd: The command to get or set Rx flow classification rules
2282 *
2283 * This function updates (or deletes) a Flow Director entry from
2284 * the hlist of the corresponding PF
2285 *
2286 * Returns 0 on success
2287 **/
2288 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2289 struct i40e_fdir_filter *input,
2290 u16 sw_idx,
2291 struct ethtool_rxnfc *cmd)
2292 {
2293 struct i40e_fdir_filter *rule, *parent;
2294 struct i40e_pf *pf = vsi->back;
2295 struct hlist_node *node2;
2296 int err = -EINVAL;
2297
2298 parent = NULL;
2299 rule = NULL;
2300
2301 hlist_for_each_entry_safe(rule, node2,
2302 &pf->fdir_filter_list, fdir_node) {
2303 /* hash found, or no matching entry */
2304 if (rule->fd_id >= sw_idx)
2305 break;
2306 parent = rule;
2307 }
2308
2309 /* if there is an old rule occupying our place remove it */
2310 if (rule && (rule->fd_id == sw_idx)) {
2311 if (input && !i40e_match_fdir_input_set(rule, input))
2312 err = i40e_add_del_fdir(vsi, rule, false);
2313 else if (!input)
2314 err = i40e_add_del_fdir(vsi, rule, false);
2315 hlist_del(&rule->fdir_node);
2316 kfree(rule);
2317 pf->fdir_pf_active_filters--;
2318 }
2319
2320 /* If no input this was a delete, err should be 0 if a rule was
2321 * successfully found and removed from the list else -EINVAL
2322 */
2323 if (!input)
2324 return err;
2325
2326 /* initialize node and set software index */
2327 INIT_HLIST_NODE(&input->fdir_node);
2328
2329 /* add filter to the list */
2330 if (parent)
2331 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2332 else
2333 hlist_add_head(&input->fdir_node,
2334 &pf->fdir_filter_list);
2335
2336 /* update counts */
2337 pf->fdir_pf_active_filters++;
2338
2339 return 0;
2340 }
2341
2342 /**
2343 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2344 * @vsi: Pointer to the targeted VSI
2345 * @cmd: The command to get or set Rx flow classification rules
2346 *
2347 * The function removes a Flow Director filter entry from the
2348 * hlist of the corresponding PF
2349 *
2350 * Returns 0 on success
2351 */
2352 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2353 struct ethtool_rxnfc *cmd)
2354 {
2355 struct ethtool_rx_flow_spec *fsp =
2356 (struct ethtool_rx_flow_spec *)&cmd->fs;
2357 struct i40e_pf *pf = vsi->back;
2358 int ret = 0;
2359
2360 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2361 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2362 return -EBUSY;
2363
2364 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2365 return -EBUSY;
2366
2367 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2368
2369 i40e_fdir_check_and_reenable(pf);
2370 return ret;
2371 }
2372
2373 /**
2374 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2375 * @vsi: pointer to the targeted VSI
2376 * @cmd: command to get or set RX flow classification rules
2377 *
2378 * Add Flow Director filters for a specific flow spec based on their
2379 * protocol. Returns 0 if the filters were successfully added.
2380 **/
2381 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2382 struct ethtool_rxnfc *cmd)
2383 {
2384 struct ethtool_rx_flow_spec *fsp;
2385 struct i40e_fdir_filter *input;
2386 struct i40e_pf *pf;
2387 int ret = -EINVAL;
2388 u16 vf_id;
2389
2390 if (!vsi)
2391 return -EINVAL;
2392
2393 pf = vsi->back;
2394
2395 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2396 return -EOPNOTSUPP;
2397
2398 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2399 return -ENOSPC;
2400
2401 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2402 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2403 return -EBUSY;
2404
2405 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2406 return -EBUSY;
2407
2408 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2409
2410 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2411 pf->hw.func_caps.fd_filters_guaranteed)) {
2412 return -EINVAL;
2413 }
2414
2415 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2416 (fsp->ring_cookie >= vsi->num_queue_pairs))
2417 return -EINVAL;
2418
2419 input = kzalloc(sizeof(*input), GFP_KERNEL);
2420
2421 if (!input)
2422 return -ENOMEM;
2423
2424 input->fd_id = fsp->location;
2425
2426 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2427 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2428 else
2429 input->dest_ctl =
2430 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2431
2432 input->q_index = fsp->ring_cookie;
2433 input->flex_off = 0;
2434 input->pctype = 0;
2435 input->dest_vsi = vsi->id;
2436 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2437 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2438 input->flow_type = fsp->flow_type;
2439 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2440
2441 /* Reverse the src and dest notion, since the HW expects them to be from
2442 * Tx perspective where as the input from user is from Rx filter view.
2443 */
2444 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2445 input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2446 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2447 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2448
2449 if (ntohl(fsp->m_ext.data[1])) {
2450 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2451 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2452 goto free_input;
2453 }
2454 vf_id = ntohl(fsp->h_ext.data[1]);
2455 /* Find vsi id from vf id and override dest vsi */
2456 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2457 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2458 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2459 goto free_input;
2460 }
2461 }
2462
2463 ret = i40e_add_del_fdir(vsi, input, true);
2464 free_input:
2465 if (ret)
2466 kfree(input);
2467 else
2468 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2469
2470 return ret;
2471 }
2472
2473 /**
2474 * i40e_set_rxnfc - command to set RX flow classification rules
2475 * @netdev: network interface device structure
2476 * @cmd: ethtool rxnfc command
2477 *
2478 * Returns Success if the command is supported.
2479 **/
2480 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2481 {
2482 struct i40e_netdev_priv *np = netdev_priv(netdev);
2483 struct i40e_vsi *vsi = np->vsi;
2484 struct i40e_pf *pf = vsi->back;
2485 int ret = -EOPNOTSUPP;
2486
2487 switch (cmd->cmd) {
2488 case ETHTOOL_SRXFH:
2489 ret = i40e_set_rss_hash_opt(pf, cmd);
2490 break;
2491 case ETHTOOL_SRXCLSRLINS:
2492 ret = i40e_add_fdir_ethtool(vsi, cmd);
2493 break;
2494 case ETHTOOL_SRXCLSRLDEL:
2495 ret = i40e_del_fdir_entry(vsi, cmd);
2496 break;
2497 default:
2498 break;
2499 }
2500
2501 return ret;
2502 }
2503
2504 /**
2505 * i40e_max_channels - get Max number of combined channels supported
2506 * @vsi: vsi pointer
2507 **/
2508 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2509 {
2510 /* TODO: This code assumes DCB and FD is disabled for now. */
2511 return vsi->alloc_queue_pairs;
2512 }
2513
2514 /**
2515 * i40e_get_channels - Get the current channels enabled and max supported etc.
2516 * @netdev: network interface device structure
2517 * @ch: ethtool channels structure
2518 *
2519 * We don't support separate tx and rx queues as channels. The other count
2520 * represents how many queues are being used for control. max_combined counts
2521 * how many queue pairs we can support. They may not be mapped 1 to 1 with
2522 * q_vectors since we support a lot more queue pairs than q_vectors.
2523 **/
2524 static void i40e_get_channels(struct net_device *dev,
2525 struct ethtool_channels *ch)
2526 {
2527 struct i40e_netdev_priv *np = netdev_priv(dev);
2528 struct i40e_vsi *vsi = np->vsi;
2529 struct i40e_pf *pf = vsi->back;
2530
2531 /* report maximum channels */
2532 ch->max_combined = i40e_max_channels(vsi);
2533
2534 /* report info for other vector */
2535 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2536 ch->max_other = ch->other_count;
2537
2538 /* Note: This code assumes DCB is disabled for now. */
2539 ch->combined_count = vsi->num_queue_pairs;
2540 }
2541
2542 /**
2543 * i40e_set_channels - Set the new channels count.
2544 * @netdev: network interface device structure
2545 * @ch: ethtool channels structure
2546 *
2547 * The new channels count may not be the same as requested by the user
2548 * since it gets rounded down to a power of 2 value.
2549 **/
2550 static int i40e_set_channels(struct net_device *dev,
2551 struct ethtool_channels *ch)
2552 {
2553 struct i40e_netdev_priv *np = netdev_priv(dev);
2554 unsigned int count = ch->combined_count;
2555 struct i40e_vsi *vsi = np->vsi;
2556 struct i40e_pf *pf = vsi->back;
2557 int new_count;
2558
2559 /* We do not support setting channels for any other VSI at present */
2560 if (vsi->type != I40E_VSI_MAIN)
2561 return -EINVAL;
2562
2563 /* verify they are not requesting separate vectors */
2564 if (!count || ch->rx_count || ch->tx_count)
2565 return -EINVAL;
2566
2567 /* verify other_count has not changed */
2568 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2569 return -EINVAL;
2570
2571 /* verify the number of channels does not exceed hardware limits */
2572 if (count > i40e_max_channels(vsi))
2573 return -EINVAL;
2574
2575 /* update feature limits from largest to smallest supported values */
2576 /* TODO: Flow director limit, DCB etc */
2577
2578 /* use rss_reconfig to rebuild with new queue count and update traffic
2579 * class queue mapping
2580 */
2581 new_count = i40e_reconfig_rss_queues(pf, count);
2582 if (new_count > 0)
2583 return 0;
2584 else
2585 return -EINVAL;
2586 }
2587
2588 /**
2589 * i40e_get_rxfh_key_size - get the RSS hash key size
2590 * @netdev: network interface device structure
2591 *
2592 * Returns the table size.
2593 **/
2594 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2595 {
2596 return I40E_HKEY_ARRAY_SIZE;
2597 }
2598
2599 /**
2600 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2601 * @netdev: network interface device structure
2602 *
2603 * Returns the table size.
2604 **/
2605 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2606 {
2607 return I40E_HLUT_ARRAY_SIZE;
2608 }
2609
2610 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2611 u8 *hfunc)
2612 {
2613 struct i40e_netdev_priv *np = netdev_priv(netdev);
2614 struct i40e_vsi *vsi = np->vsi;
2615 u8 *lut, *seed = NULL;
2616 int ret;
2617 u16 i;
2618
2619 if (hfunc)
2620 *hfunc = ETH_RSS_HASH_TOP;
2621
2622 if (!indir)
2623 return 0;
2624
2625 seed = key;
2626 lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
2627 if (!lut)
2628 return -ENOMEM;
2629 ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
2630 if (ret)
2631 goto out;
2632 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
2633 indir[i] = (u32)(lut[i]);
2634
2635 out:
2636 kfree(lut);
2637
2638 return ret;
2639 }
2640
2641 /**
2642 * i40e_set_rxfh - set the rx flow hash indirection table
2643 * @netdev: network interface device structure
2644 * @indir: indirection table
2645 * @key: hash key
2646 *
2647 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2648 * returns 0 after programming the table.
2649 **/
2650 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2651 const u8 *key, const u8 hfunc)
2652 {
2653 struct i40e_netdev_priv *np = netdev_priv(netdev);
2654 struct i40e_vsi *vsi = np->vsi;
2655 u8 *seed = NULL;
2656 u16 i;
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 if (key) {
2665 if (!vsi->rss_hkey_user) {
2666 vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
2667 GFP_KERNEL);
2668 if (!vsi->rss_hkey_user)
2669 return -ENOMEM;
2670 }
2671 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
2672 seed = vsi->rss_hkey_user;
2673 }
2674 if (!vsi->rss_lut_user) {
2675 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
2676 if (!vsi->rss_lut_user)
2677 return -ENOMEM;
2678 }
2679
2680 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
2681 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
2682 vsi->rss_lut_user[i] = (u8)(indir[i]);
2683
2684 return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
2685 I40E_HLUT_ARRAY_SIZE);
2686 }
2687
2688 /**
2689 * i40e_get_priv_flags - report device private flags
2690 * @dev: network interface device structure
2691 *
2692 * The get string set count and the string set should be matched for each
2693 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
2694 * array.
2695 *
2696 * Returns a u32 bitmap of flags.
2697 **/
2698 static u32 i40e_get_priv_flags(struct net_device *dev)
2699 {
2700 struct i40e_netdev_priv *np = netdev_priv(dev);
2701 struct i40e_vsi *vsi = np->vsi;
2702 struct i40e_pf *pf = vsi->back;
2703 u32 ret_flags = 0;
2704
2705 ret_flags |= pf->hw.func_caps.npar_enable ?
2706 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2707 ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
2708 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
2709 ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
2710 I40E_PRIV_FLAGS_FD_ATR : 0;
2711 ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
2712 I40E_PRIV_FLAGS_VEB_STATS : 0;
2713 ret_flags |= pf->flags & I40E_FLAG_RX_PS_ENABLED ?
2714 I40E_PRIV_FLAGS_PS : 0;
2715
2716 return ret_flags;
2717 }
2718
2719 /**
2720 * i40e_set_priv_flags - set private flags
2721 * @dev: network interface device structure
2722 * @flags: bit flags to be set
2723 **/
2724 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
2725 {
2726 struct i40e_netdev_priv *np = netdev_priv(dev);
2727 struct i40e_vsi *vsi = np->vsi;
2728 struct i40e_pf *pf = vsi->back;
2729 bool reset_required = false;
2730
2731 /* NOTE: MFP is not settable */
2732
2733 /* allow the user to control the method of receive
2734 * buffer DMA, whether the packet is split at header
2735 * boundaries into two separate buffers. In some cases
2736 * one routine or the other will perform better.
2737 */
2738 if ((flags & I40E_PRIV_FLAGS_PS) &&
2739 !(pf->flags & I40E_FLAG_RX_PS_ENABLED)) {
2740 pf->flags |= I40E_FLAG_RX_PS_ENABLED;
2741 pf->flags &= ~I40E_FLAG_RX_1BUF_ENABLED;
2742 reset_required = true;
2743 } else if (!(flags & I40E_PRIV_FLAGS_PS) &&
2744 (pf->flags & I40E_FLAG_RX_PS_ENABLED)) {
2745 pf->flags &= ~I40E_FLAG_RX_PS_ENABLED;
2746 pf->flags |= I40E_FLAG_RX_1BUF_ENABLED;
2747 reset_required = true;
2748 }
2749
2750 if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
2751 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
2752 else
2753 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
2754
2755 /* allow the user to control the state of the Flow
2756 * Director ATR (Application Targeted Routing) feature
2757 * of the driver
2758 */
2759 if (flags & I40E_PRIV_FLAGS_FD_ATR) {
2760 pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
2761 } else {
2762 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
2763 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
2764 }
2765
2766 if (flags & I40E_PRIV_FLAGS_VEB_STATS)
2767 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
2768 else
2769 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
2770
2771 /* if needed, issue reset to cause things to take effect */
2772 if (reset_required)
2773 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
2774
2775 return 0;
2776 }
2777
2778 static const struct ethtool_ops i40e_ethtool_ops = {
2779 .get_settings = i40e_get_settings,
2780 .set_settings = i40e_set_settings,
2781 .get_drvinfo = i40e_get_drvinfo,
2782 .get_regs_len = i40e_get_regs_len,
2783 .get_regs = i40e_get_regs,
2784 .nway_reset = i40e_nway_reset,
2785 .get_link = ethtool_op_get_link,
2786 .get_wol = i40e_get_wol,
2787 .set_wol = i40e_set_wol,
2788 .set_eeprom = i40e_set_eeprom,
2789 .get_eeprom_len = i40e_get_eeprom_len,
2790 .get_eeprom = i40e_get_eeprom,
2791 .get_ringparam = i40e_get_ringparam,
2792 .set_ringparam = i40e_set_ringparam,
2793 .get_pauseparam = i40e_get_pauseparam,
2794 .set_pauseparam = i40e_set_pauseparam,
2795 .get_msglevel = i40e_get_msglevel,
2796 .set_msglevel = i40e_set_msglevel,
2797 .get_rxnfc = i40e_get_rxnfc,
2798 .set_rxnfc = i40e_set_rxnfc,
2799 .self_test = i40e_diag_test,
2800 .get_strings = i40e_get_strings,
2801 .set_phys_id = i40e_set_phys_id,
2802 .get_sset_count = i40e_get_sset_count,
2803 .get_ethtool_stats = i40e_get_ethtool_stats,
2804 .get_coalesce = i40e_get_coalesce,
2805 .set_coalesce = i40e_set_coalesce,
2806 .get_rxfh_key_size = i40e_get_rxfh_key_size,
2807 .get_rxfh_indir_size = i40e_get_rxfh_indir_size,
2808 .get_rxfh = i40e_get_rxfh,
2809 .set_rxfh = i40e_set_rxfh,
2810 .get_channels = i40e_get_channels,
2811 .set_channels = i40e_set_channels,
2812 .get_ts_info = i40e_get_ts_info,
2813 .get_priv_flags = i40e_get_priv_flags,
2814 .set_priv_flags = i40e_set_priv_flags,
2815 };
2816
2817 void i40e_set_ethtool_ops(struct net_device *netdev)
2818 {
2819 netdev->ethtool_ops = &i40e_ethtool_ops;
2820 }
Linux kernel - Deliverables
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