projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
i40e: Strip VEB stats if they are disabled in HW
[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 };
91
92 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
93 struct ethtool_rxnfc *cmd);
94
95 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
96 * but they are separate. This device supports Virtualization, and
97 * as such might have several netdevs supporting VMDq and FCoE going
98 * through a single port. The NETDEV_STATs are for individual netdevs
99 * seen at the top of the stack, and the PF_STATs are for the physical
100 * function at the bottom of the stack hosting those netdevs.
101 *
102 * The PF_STATs are appended to the netdev stats only when ethtool -S
103 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
104 */
105 static struct i40e_stats i40e_gstrings_stats[] = {
106 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
107 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
108 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
109 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
110 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
111 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
112 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
113 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
114 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
115 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
116 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
117 I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
118 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
119 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
120 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
121 I40E_PF_STAT("tx_timeout", tx_timeout_count),
122 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
123 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
124 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
125 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
126 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
127 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
128 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
129 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
130 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
131 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
132 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
133 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
134 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
135 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
136 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
137 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
138 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
139 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
140 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
141 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
142 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
143 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
144 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
145 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
146 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
147 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
148 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
149 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
150 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
151 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
152 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
153 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
154
155 /* LPI stats */
156 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
157 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
158 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
159 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
160 };
161
162 #ifdef I40E_FCOE
163 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
164 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
165 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
166 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
167 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
168 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
169 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
170 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
171 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
172 };
173
174 #endif /* I40E_FCOE */
175 #define I40E_QUEUE_STATS_LEN(n) \
176 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
177 * 2 /* Tx and Rx together */ \
178 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
179 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
180 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
181 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
182 #ifdef I40E_FCOE
183 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats)
184 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
185 I40E_FCOE_STATS_LEN + \
186 I40E_MISC_STATS_LEN + \
187 I40E_QUEUE_STATS_LEN((n)))
188 #else
189 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
190 I40E_MISC_STATS_LEN + \
191 I40E_QUEUE_STATS_LEN((n)))
192 #endif /* I40E_FCOE */
193 #define I40E_PFC_STATS_LEN ( \
194 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
195 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
196 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
197 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
198 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
199 / sizeof(u64))
200 #define I40E_VEB_TC_STATS_LEN ( \
201 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
202 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
203 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
204 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
205 / sizeof(u64))
206 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
207 #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
208 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
209 I40E_PFC_STATS_LEN + \
210 I40E_VSI_STATS_LEN((n)))
211
212 enum i40e_ethtool_test_id {
213 I40E_ETH_TEST_REG = 0,
214 I40E_ETH_TEST_EEPROM,
215 I40E_ETH_TEST_INTR,
216 I40E_ETH_TEST_LOOPBACK,
217 I40E_ETH_TEST_LINK,
218 };
219
220 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
221 "Register test (offline)",
222 "Eeprom test (offline)",
223 "Interrupt test (offline)",
224 "Loopback test (offline)",
225 "Link test (on/offline)"
226 };
227
228 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
229
230 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
231 "NPAR",
232 };
233
234 #define I40E_PRIV_FLAGS_STR_LEN \
235 (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN)
236
237 /**
238 * i40e_partition_setting_complaint - generic complaint for MFP restriction
239 * @pf: the PF struct
240 **/
241 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
242 {
243 dev_info(&pf->pdev->dev,
244 "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
245 }
246
247 /**
248 * i40e_get_settings_link_up - Get the Link settings for when link is up
249 * @hw: hw structure
250 * @ecmd: ethtool command to fill in
251 * @netdev: network interface device structure
252 *
253 **/
254 static void i40e_get_settings_link_up(struct i40e_hw *hw,
255 struct ethtool_cmd *ecmd,
256 struct net_device *netdev)
257 {
258 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
259 u32 link_speed = hw_link_info->link_speed;
260
261 /* Initialize supported and advertised settings based on phy settings */
262 switch (hw_link_info->phy_type) {
263 case I40E_PHY_TYPE_40GBASE_CR4:
264 case I40E_PHY_TYPE_40GBASE_CR4_CU:
265 ecmd->supported = SUPPORTED_Autoneg |
266 SUPPORTED_40000baseCR4_Full;
267 ecmd->advertising = ADVERTISED_Autoneg |
268 ADVERTISED_40000baseCR4_Full;
269 break;
270 case I40E_PHY_TYPE_XLAUI:
271 case I40E_PHY_TYPE_XLPPI:
272 case I40E_PHY_TYPE_40GBASE_AOC:
273 ecmd->supported = SUPPORTED_40000baseCR4_Full;
274 break;
275 case I40E_PHY_TYPE_40GBASE_KR4:
276 ecmd->supported = SUPPORTED_Autoneg |
277 SUPPORTED_40000baseKR4_Full;
278 ecmd->advertising = ADVERTISED_Autoneg |
279 ADVERTISED_40000baseKR4_Full;
280 break;
281 case I40E_PHY_TYPE_40GBASE_SR4:
282 ecmd->supported = SUPPORTED_40000baseSR4_Full;
283 break;
284 case I40E_PHY_TYPE_40GBASE_LR4:
285 ecmd->supported = SUPPORTED_40000baseLR4_Full;
286 break;
287 case I40E_PHY_TYPE_20GBASE_KR2:
288 ecmd->supported = SUPPORTED_Autoneg |
289 SUPPORTED_20000baseKR2_Full;
290 ecmd->advertising = ADVERTISED_Autoneg |
291 ADVERTISED_20000baseKR2_Full;
292 break;
293 case I40E_PHY_TYPE_10GBASE_KX4:
294 ecmd->supported = SUPPORTED_Autoneg |
295 SUPPORTED_10000baseKX4_Full;
296 ecmd->advertising = ADVERTISED_Autoneg |
297 ADVERTISED_10000baseKX4_Full;
298 break;
299 case I40E_PHY_TYPE_10GBASE_KR:
300 ecmd->supported = SUPPORTED_Autoneg |
301 SUPPORTED_10000baseKR_Full;
302 ecmd->advertising = ADVERTISED_Autoneg |
303 ADVERTISED_10000baseKR_Full;
304 break;
305 case I40E_PHY_TYPE_10GBASE_SR:
306 case I40E_PHY_TYPE_10GBASE_LR:
307 case I40E_PHY_TYPE_1000BASE_SX:
308 case I40E_PHY_TYPE_1000BASE_LX:
309 ecmd->supported = SUPPORTED_10000baseT_Full |
310 SUPPORTED_1000baseT_Full;
311 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
312 ecmd->advertising |= ADVERTISED_10000baseT_Full;
313 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
314 ecmd->advertising |= ADVERTISED_1000baseT_Full;
315 break;
316 case I40E_PHY_TYPE_1000BASE_KX:
317 ecmd->supported = SUPPORTED_Autoneg |
318 SUPPORTED_1000baseKX_Full;
319 ecmd->advertising = ADVERTISED_Autoneg |
320 ADVERTISED_1000baseKX_Full;
321 break;
322 case I40E_PHY_TYPE_10GBASE_T:
323 case I40E_PHY_TYPE_1000BASE_T:
324 case I40E_PHY_TYPE_100BASE_TX:
325 ecmd->supported = SUPPORTED_Autoneg |
326 SUPPORTED_10000baseT_Full |
327 SUPPORTED_1000baseT_Full |
328 SUPPORTED_100baseT_Full;
329 ecmd->advertising = ADVERTISED_Autoneg;
330 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
331 ecmd->advertising |= ADVERTISED_10000baseT_Full;
332 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
333 ecmd->advertising |= ADVERTISED_1000baseT_Full;
334 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
335 ecmd->advertising |= ADVERTISED_100baseT_Full;
336 break;
337 case I40E_PHY_TYPE_10GBASE_CR1_CU:
338 case I40E_PHY_TYPE_10GBASE_CR1:
339 ecmd->supported = SUPPORTED_Autoneg |
340 SUPPORTED_10000baseT_Full;
341 ecmd->advertising = ADVERTISED_Autoneg |
342 ADVERTISED_10000baseT_Full;
343 break;
344 case I40E_PHY_TYPE_XAUI:
345 case I40E_PHY_TYPE_XFI:
346 case I40E_PHY_TYPE_SFI:
347 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
348 case I40E_PHY_TYPE_10GBASE_AOC:
349 ecmd->supported = SUPPORTED_10000baseT_Full;
350 break;
351 case I40E_PHY_TYPE_SGMII:
352 ecmd->supported = SUPPORTED_Autoneg |
353 SUPPORTED_1000baseT_Full |
354 SUPPORTED_100baseT_Full;
355 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
356 ecmd->advertising |= ADVERTISED_1000baseT_Full;
357 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
358 ecmd->advertising |= ADVERTISED_100baseT_Full;
359 break;
360 default:
361 /* if we got here and link is up something bad is afoot */
362 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
363 hw_link_info->phy_type);
364 }
365
366 /* Set speed and duplex */
367 switch (link_speed) {
368 case I40E_LINK_SPEED_40GB:
369 ethtool_cmd_speed_set(ecmd, SPEED_40000);
370 break;
371 case I40E_LINK_SPEED_20GB:
372 ethtool_cmd_speed_set(ecmd, SPEED_20000);
373 break;
374 case I40E_LINK_SPEED_10GB:
375 ethtool_cmd_speed_set(ecmd, SPEED_10000);
376 break;
377 case I40E_LINK_SPEED_1GB:
378 ethtool_cmd_speed_set(ecmd, SPEED_1000);
379 break;
380 case I40E_LINK_SPEED_100MB:
381 ethtool_cmd_speed_set(ecmd, SPEED_100);
382 break;
383 default:
384 break;
385 }
386 ecmd->duplex = DUPLEX_FULL;
387 }
388
389 /**
390 * i40e_get_settings_link_down - Get the Link settings for when link is down
391 * @hw: hw structure
392 * @ecmd: ethtool command to fill in
393 *
394 * Reports link settings that can be determined when link is down
395 **/
396 static void i40e_get_settings_link_down(struct i40e_hw *hw,
397 struct ethtool_cmd *ecmd)
398 {
399 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
400
401 /* link is down and the driver needs to fall back on
402 * device ID to determine what kinds of info to display,
403 * it's mostly a guess that may change when link is up
404 */
405 switch (hw->device_id) {
406 case I40E_DEV_ID_QSFP_A:
407 case I40E_DEV_ID_QSFP_B:
408 case I40E_DEV_ID_QSFP_C:
409 /* pluggable QSFP */
410 ecmd->supported = SUPPORTED_40000baseSR4_Full |
411 SUPPORTED_40000baseCR4_Full |
412 SUPPORTED_40000baseLR4_Full;
413 ecmd->advertising = ADVERTISED_40000baseSR4_Full |
414 ADVERTISED_40000baseCR4_Full |
415 ADVERTISED_40000baseLR4_Full;
416 break;
417 case I40E_DEV_ID_KX_B:
418 /* backplane 40G */
419 ecmd->supported = SUPPORTED_40000baseKR4_Full;
420 ecmd->advertising = ADVERTISED_40000baseKR4_Full;
421 break;
422 case I40E_DEV_ID_KX_C:
423 /* backplane 10G */
424 ecmd->supported = SUPPORTED_10000baseKR_Full;
425 ecmd->advertising = ADVERTISED_10000baseKR_Full;
426 break;
427 case I40E_DEV_ID_10G_BASE_T:
428 ecmd->supported = SUPPORTED_10000baseT_Full |
429 SUPPORTED_1000baseT_Full |
430 SUPPORTED_100baseT_Full;
431 /* Figure out what has been requested */
432 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
433 ecmd->advertising |= ADVERTISED_10000baseT_Full;
434 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
435 ecmd->advertising |= ADVERTISED_1000baseT_Full;
436 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
437 ecmd->advertising |= ADVERTISED_100baseT_Full;
438 break;
439 case I40E_DEV_ID_20G_KR2:
440 case I40E_DEV_ID_20G_KR2_A:
441 /* backplane 20G */
442 ecmd->supported = SUPPORTED_20000baseKR2_Full;
443 ecmd->advertising = ADVERTISED_20000baseKR2_Full;
444 break;
445 default:
446 /* all the rest are 10G/1G */
447 ecmd->supported = SUPPORTED_10000baseT_Full |
448 SUPPORTED_1000baseT_Full;
449 /* Figure out what has been requested */
450 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
451 ecmd->advertising |= ADVERTISED_10000baseT_Full;
452 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
453 ecmd->advertising |= ADVERTISED_1000baseT_Full;
454 break;
455 }
456
457 /* With no link speed and duplex are unknown */
458 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
459 ecmd->duplex = DUPLEX_UNKNOWN;
460 }
461
462 /**
463 * i40e_get_settings - Get Link Speed and Duplex settings
464 * @netdev: network interface device structure
465 * @ecmd: ethtool command
466 *
467 * Reports speed/duplex settings based on media_type
468 **/
469 static int i40e_get_settings(struct net_device *netdev,
470 struct ethtool_cmd *ecmd)
471 {
472 struct i40e_netdev_priv *np = netdev_priv(netdev);
473 struct i40e_pf *pf = np->vsi->back;
474 struct i40e_hw *hw = &pf->hw;
475 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
476 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
477
478 if (link_up)
479 i40e_get_settings_link_up(hw, ecmd, netdev);
480 else
481 i40e_get_settings_link_down(hw, ecmd);
482
483 /* Now set the settings that don't rely on link being up/down */
484
485 /* Set autoneg settings */
486 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
487 AUTONEG_ENABLE : AUTONEG_DISABLE);
488
489 switch (hw->phy.media_type) {
490 case I40E_MEDIA_TYPE_BACKPLANE:
491 ecmd->supported |= SUPPORTED_Autoneg |
492 SUPPORTED_Backplane;
493 ecmd->advertising |= ADVERTISED_Autoneg |
494 ADVERTISED_Backplane;
495 ecmd->port = PORT_NONE;
496 break;
497 case I40E_MEDIA_TYPE_BASET:
498 ecmd->supported |= SUPPORTED_TP;
499 ecmd->advertising |= ADVERTISED_TP;
500 ecmd->port = PORT_TP;
501 break;
502 case I40E_MEDIA_TYPE_DA:
503 case I40E_MEDIA_TYPE_CX4:
504 ecmd->supported |= SUPPORTED_FIBRE;
505 ecmd->advertising |= ADVERTISED_FIBRE;
506 ecmd->port = PORT_DA;
507 break;
508 case I40E_MEDIA_TYPE_FIBER:
509 ecmd->supported |= SUPPORTED_FIBRE;
510 ecmd->port = PORT_FIBRE;
511 break;
512 case I40E_MEDIA_TYPE_UNKNOWN:
513 default:
514 ecmd->port = PORT_OTHER;
515 break;
516 }
517
518 /* Set transceiver */
519 ecmd->transceiver = XCVR_EXTERNAL;
520
521 /* Set flow control settings */
522 ecmd->supported |= SUPPORTED_Pause;
523
524 switch (hw->fc.requested_mode) {
525 case I40E_FC_FULL:
526 ecmd->advertising |= ADVERTISED_Pause;
527 break;
528 case I40E_FC_TX_PAUSE:
529 ecmd->advertising |= ADVERTISED_Asym_Pause;
530 break;
531 case I40E_FC_RX_PAUSE:
532 ecmd->advertising |= (ADVERTISED_Pause |
533 ADVERTISED_Asym_Pause);
534 break;
535 default:
536 ecmd->advertising &= ~(ADVERTISED_Pause |
537 ADVERTISED_Asym_Pause);
538 break;
539 }
540
541 return 0;
542 }
543
544 /**
545 * i40e_set_settings - Set Speed and Duplex
546 * @netdev: network interface device structure
547 * @ecmd: ethtool command
548 *
549 * Set speed/duplex per media_types advertised/forced
550 **/
551 static int i40e_set_settings(struct net_device *netdev,
552 struct ethtool_cmd *ecmd)
553 {
554 struct i40e_netdev_priv *np = netdev_priv(netdev);
555 struct i40e_aq_get_phy_abilities_resp abilities;
556 struct i40e_aq_set_phy_config config;
557 struct i40e_pf *pf = np->vsi->back;
558 struct i40e_vsi *vsi = np->vsi;
559 struct i40e_hw *hw = &pf->hw;
560 struct ethtool_cmd safe_ecmd;
561 i40e_status status = 0;
562 bool change = false;
563 int err = 0;
564 u8 autoneg;
565 u32 advertise;
566
567 /* Changing port settings is not supported if this isn't the
568 * port's controlling PF
569 */
570 if (hw->partition_id != 1) {
571 i40e_partition_setting_complaint(pf);
572 return -EOPNOTSUPP;
573 }
574
575 if (vsi != pf->vsi[pf->lan_vsi])
576 return -EOPNOTSUPP;
577
578 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
579 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
580 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
581 hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
582 return -EOPNOTSUPP;
583
584 /* get our own copy of the bits to check against */
585 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
586 i40e_get_settings(netdev, &safe_ecmd);
587
588 /* save autoneg and speed out of ecmd */
589 autoneg = ecmd->autoneg;
590 advertise = ecmd->advertising;
591
592 /* set autoneg and speed back to what they currently are */
593 ecmd->autoneg = safe_ecmd.autoneg;
594 ecmd->advertising = safe_ecmd.advertising;
595
596 ecmd->cmd = safe_ecmd.cmd;
597 /* If ecmd and safe_ecmd are not the same now, then they are
598 * trying to set something that we do not support
599 */
600 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
601 return -EOPNOTSUPP;
602
603 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
604 usleep_range(1000, 2000);
605
606 /* Get the current phy config */
607 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
608 NULL);
609 if (status)
610 return -EAGAIN;
611
612 /* Copy abilities to config in case autoneg is not
613 * set below
614 */
615 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
616 config.abilities = abilities.abilities;
617
618 /* Check autoneg */
619 if (autoneg == AUTONEG_ENABLE) {
620 /* If autoneg is not supported, return error */
621 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
622 netdev_info(netdev, "Autoneg not supported on this phy\n");
623 return -EINVAL;
624 }
625 /* If autoneg was not already enabled */
626 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
627 config.abilities = abilities.abilities |
628 I40E_AQ_PHY_ENABLE_AN;
629 change = true;
630 }
631 } else {
632 /* If autoneg is supported 10GBASE_T is the only phy that
633 * can disable it, so otherwise return error
634 */
635 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
636 hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
637 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
638 return -EINVAL;
639 }
640 /* If autoneg is currently enabled */
641 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
642 config.abilities = abilities.abilities &
643 ~I40E_AQ_PHY_ENABLE_AN;
644 change = true;
645 }
646 }
647
648 if (advertise & ~safe_ecmd.supported)
649 return -EINVAL;
650
651 if (advertise & ADVERTISED_100baseT_Full)
652 config.link_speed |= I40E_LINK_SPEED_100MB;
653 if (advertise & ADVERTISED_1000baseT_Full ||
654 advertise & ADVERTISED_1000baseKX_Full)
655 config.link_speed |= I40E_LINK_SPEED_1GB;
656 if (advertise & ADVERTISED_10000baseT_Full ||
657 advertise & ADVERTISED_10000baseKX4_Full ||
658 advertise & ADVERTISED_10000baseKR_Full)
659 config.link_speed |= I40E_LINK_SPEED_10GB;
660 if (advertise & ADVERTISED_20000baseKR2_Full)
661 config.link_speed |= I40E_LINK_SPEED_20GB;
662 if (advertise & ADVERTISED_40000baseKR4_Full ||
663 advertise & ADVERTISED_40000baseCR4_Full ||
664 advertise & ADVERTISED_40000baseSR4_Full ||
665 advertise & ADVERTISED_40000baseLR4_Full)
666 config.link_speed |= I40E_LINK_SPEED_40GB;
667
668 if (change || (abilities.link_speed != config.link_speed)) {
669 /* copy over the rest of the abilities */
670 config.phy_type = abilities.phy_type;
671 config.eee_capability = abilities.eee_capability;
672 config.eeer = abilities.eeer_val;
673 config.low_power_ctrl = abilities.d3_lpan;
674
675 /* save the requested speeds */
676 hw->phy.link_info.requested_speeds = config.link_speed;
677 /* set link and auto negotiation so changes take effect */
678 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
679 /* If link is up put link down */
680 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
681 /* Tell the OS link is going down, the link will go
682 * back up when fw says it is ready asynchronously
683 */
684 netdev_info(netdev, "PHY settings change requested, NIC Link is going down.\n");
685 netif_carrier_off(netdev);
686 netif_tx_stop_all_queues(netdev);
687 }
688
689 /* make the aq call */
690 status = i40e_aq_set_phy_config(hw, &config, NULL);
691 if (status) {
692 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
693 i40e_stat_str(hw, status),
694 i40e_aq_str(hw, hw->aq.asq_last_status));
695 return -EAGAIN;
696 }
697
698 status = i40e_aq_get_link_info(hw, true, NULL, NULL);
699 if (status)
700 netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n",
701 i40e_stat_str(hw, status),
702 i40e_aq_str(hw, hw->aq.asq_last_status));
703
704 } else {
705 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
706 }
707
708 return err;
709 }
710
711 static int i40e_nway_reset(struct net_device *netdev)
712 {
713 /* restart autonegotiation */
714 struct i40e_netdev_priv *np = netdev_priv(netdev);
715 struct i40e_pf *pf = np->vsi->back;
716 struct i40e_hw *hw = &pf->hw;
717 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
718 i40e_status ret = 0;
719
720 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
721 if (ret) {
722 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
723 i40e_stat_str(hw, ret),
724 i40e_aq_str(hw, hw->aq.asq_last_status));
725 return -EIO;
726 }
727
728 return 0;
729 }
730
731 /**
732 * i40e_get_pauseparam - Get Flow Control status
733 * Return tx/rx-pause status
734 **/
735 static void i40e_get_pauseparam(struct net_device *netdev,
736 struct ethtool_pauseparam *pause)
737 {
738 struct i40e_netdev_priv *np = netdev_priv(netdev);
739 struct i40e_pf *pf = np->vsi->back;
740 struct i40e_hw *hw = &pf->hw;
741 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
742 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
743
744 pause->autoneg =
745 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
746 AUTONEG_ENABLE : AUTONEG_DISABLE);
747
748 /* PFC enabled so report LFC as off */
749 if (dcbx_cfg->pfc.pfcenable) {
750 pause->rx_pause = 0;
751 pause->tx_pause = 0;
752 return;
753 }
754
755 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
756 pause->rx_pause = 1;
757 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
758 pause->tx_pause = 1;
759 } else if (hw->fc.current_mode == I40E_FC_FULL) {
760 pause->rx_pause = 1;
761 pause->tx_pause = 1;
762 }
763 }
764
765 /**
766 * i40e_set_pauseparam - Set Flow Control parameter
767 * @netdev: network interface device structure
768 * @pause: return tx/rx flow control status
769 **/
770 static int i40e_set_pauseparam(struct net_device *netdev,
771 struct ethtool_pauseparam *pause)
772 {
773 struct i40e_netdev_priv *np = netdev_priv(netdev);
774 struct i40e_pf *pf = np->vsi->back;
775 struct i40e_vsi *vsi = np->vsi;
776 struct i40e_hw *hw = &pf->hw;
777 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
778 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
779 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
780 i40e_status status;
781 u8 aq_failures;
782 int err = 0;
783
784 /* Changing the port's flow control is not supported if this isn't the
785 * port's controlling PF
786 */
787 if (hw->partition_id != 1) {
788 i40e_partition_setting_complaint(pf);
789 return -EOPNOTSUPP;
790 }
791
792 if (vsi != pf->vsi[pf->lan_vsi])
793 return -EOPNOTSUPP;
794
795 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
796 AUTONEG_ENABLE : AUTONEG_DISABLE)) {
797 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
798 return -EOPNOTSUPP;
799 }
800
801 /* If we have link and don't have autoneg */
802 if (!test_bit(__I40E_DOWN, &pf->state) &&
803 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
804 /* Send message that it might not necessarily work*/
805 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
806 }
807
808 if (dcbx_cfg->pfc.pfcenable) {
809 netdev_info(netdev,
810 "Priority flow control enabled. Cannot set link flow control.\n");
811 return -EOPNOTSUPP;
812 }
813
814 if (pause->rx_pause && pause->tx_pause)
815 hw->fc.requested_mode = I40E_FC_FULL;
816 else if (pause->rx_pause && !pause->tx_pause)
817 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
818 else if (!pause->rx_pause && pause->tx_pause)
819 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
820 else if (!pause->rx_pause && !pause->tx_pause)
821 hw->fc.requested_mode = I40E_FC_NONE;
822 else
823 return -EINVAL;
824
825 /* Tell the OS link is going down, the link will go back up when fw
826 * says it is ready asynchronously
827 */
828 netdev_info(netdev, "Flow control settings change requested, NIC Link is going down.\n");
829 netif_carrier_off(netdev);
830 netif_tx_stop_all_queues(netdev);
831
832 /* Set the fc mode and only restart an if link is up*/
833 status = i40e_set_fc(hw, &aq_failures, link_up);
834
835 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
836 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
837 i40e_stat_str(hw, status),
838 i40e_aq_str(hw, hw->aq.asq_last_status));
839 err = -EAGAIN;
840 }
841 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
842 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
843 i40e_stat_str(hw, status),
844 i40e_aq_str(hw, hw->aq.asq_last_status));
845 err = -EAGAIN;
846 }
847 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
848 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
849 i40e_stat_str(hw, status),
850 i40e_aq_str(hw, hw->aq.asq_last_status));
851 err = -EAGAIN;
852 }
853
854 if (!test_bit(__I40E_DOWN, &pf->state)) {
855 /* Give it a little more time to try to come back */
856 msleep(75);
857 if (!test_bit(__I40E_DOWN, &pf->state))
858 return i40e_nway_reset(netdev);
859 }
860
861 return err;
862 }
863
864 static u32 i40e_get_msglevel(struct net_device *netdev)
865 {
866 struct i40e_netdev_priv *np = netdev_priv(netdev);
867 struct i40e_pf *pf = np->vsi->back;
868
869 return pf->msg_enable;
870 }
871
872 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
873 {
874 struct i40e_netdev_priv *np = netdev_priv(netdev);
875 struct i40e_pf *pf = np->vsi->back;
876
877 if (I40E_DEBUG_USER & data)
878 pf->hw.debug_mask = data;
879 pf->msg_enable = data;
880 }
881
882 static int i40e_get_regs_len(struct net_device *netdev)
883 {
884 int reg_count = 0;
885 int i;
886
887 for (i = 0; i40e_reg_list[i].offset != 0; i++)
888 reg_count += i40e_reg_list[i].elements;
889
890 return reg_count * sizeof(u32);
891 }
892
893 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
894 void *p)
895 {
896 struct i40e_netdev_priv *np = netdev_priv(netdev);
897 struct i40e_pf *pf = np->vsi->back;
898 struct i40e_hw *hw = &pf->hw;
899 u32 *reg_buf = p;
900 int i, j, ri;
901 u32 reg;
902
903 /* Tell ethtool which driver-version-specific regs output we have.
904 *
905 * At some point, if we have ethtool doing special formatting of
906 * this data, it will rely on this version number to know how to
907 * interpret things. Hence, this needs to be updated if/when the
908 * diags register table is changed.
909 */
910 regs->version = 1;
911
912 /* loop through the diags reg table for what to print */
913 ri = 0;
914 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
915 for (j = 0; j < i40e_reg_list[i].elements; j++) {
916 reg = i40e_reg_list[i].offset
917 + (j * i40e_reg_list[i].stride);
918 reg_buf[ri++] = rd32(hw, reg);
919 }
920 }
921
922 }
923
924 static int i40e_get_eeprom(struct net_device *netdev,
925 struct ethtool_eeprom *eeprom, u8 *bytes)
926 {
927 struct i40e_netdev_priv *np = netdev_priv(netdev);
928 struct i40e_hw *hw = &np->vsi->back->hw;
929 struct i40e_pf *pf = np->vsi->back;
930 int ret_val = 0, len, offset;
931 u8 *eeprom_buff;
932 u16 i, sectors;
933 bool last;
934 u32 magic;
935
936 #define I40E_NVM_SECTOR_SIZE 4096
937 if (eeprom->len == 0)
938 return -EINVAL;
939
940 /* check for NVMUpdate access method */
941 magic = hw->vendor_id | (hw->device_id << 16);
942 if (eeprom->magic && eeprom->magic != magic) {
943 struct i40e_nvm_access *cmd;
944 int errno;
945
946 /* make sure it is the right magic for NVMUpdate */
947 if ((eeprom->magic >> 16) != hw->device_id)
948 return -EINVAL;
949
950 cmd = (struct i40e_nvm_access *)eeprom;
951 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
952 if (ret_val &&
953 ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
954 (hw->debug_mask & I40E_DEBUG_NVM)))
955 dev_info(&pf->pdev->dev,
956 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
957 ret_val, hw->aq.asq_last_status, errno,
958 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
959 cmd->offset, cmd->data_size);
960
961 return errno;
962 }
963
964 /* normal ethtool get_eeprom support */
965 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
966
967 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
968 if (!eeprom_buff)
969 return -ENOMEM;
970
971 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
972 if (ret_val) {
973 dev_info(&pf->pdev->dev,
974 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
975 ret_val, hw->aq.asq_last_status);
976 goto free_buff;
977 }
978
979 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
980 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
981 len = I40E_NVM_SECTOR_SIZE;
982 last = false;
983 for (i = 0; i < sectors; i++) {
984 if (i == (sectors - 1)) {
985 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
986 last = true;
987 }
988 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
989 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
990 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
991 last, NULL);
992 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
993 dev_info(&pf->pdev->dev,
994 "read NVM failed, invalid offset 0x%x\n",
995 offset);
996 break;
997 } else if (ret_val &&
998 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
999 dev_info(&pf->pdev->dev,
1000 "read NVM failed, access, offset 0x%x\n",
1001 offset);
1002 break;
1003 } else if (ret_val) {
1004 dev_info(&pf->pdev->dev,
1005 "read NVM failed offset %d err=%d status=0x%x\n",
1006 offset, ret_val, hw->aq.asq_last_status);
1007 break;
1008 }
1009 }
1010
1011 i40e_release_nvm(hw);
1012 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1013 free_buff:
1014 kfree(eeprom_buff);
1015 return ret_val;
1016 }
1017
1018 static int i40e_get_eeprom_len(struct net_device *netdev)
1019 {
1020 struct i40e_netdev_priv *np = netdev_priv(netdev);
1021 struct i40e_hw *hw = &np->vsi->back->hw;
1022 u32 val;
1023
1024 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1025 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1026 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1027 /* register returns value in power of 2, 64Kbyte chunks. */
1028 val = (64 * 1024) * BIT(val);
1029 return val;
1030 }
1031
1032 static int i40e_set_eeprom(struct net_device *netdev,
1033 struct ethtool_eeprom *eeprom, u8 *bytes)
1034 {
1035 struct i40e_netdev_priv *np = netdev_priv(netdev);
1036 struct i40e_hw *hw = &np->vsi->back->hw;
1037 struct i40e_pf *pf = np->vsi->back;
1038 struct i40e_nvm_access *cmd;
1039 int ret_val = 0;
1040 int errno;
1041 u32 magic;
1042
1043 /* normal ethtool set_eeprom is not supported */
1044 magic = hw->vendor_id | (hw->device_id << 16);
1045 if (eeprom->magic == magic)
1046 return -EOPNOTSUPP;
1047
1048 /* check for NVMUpdate access method */
1049 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1050 return -EINVAL;
1051
1052 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1053 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1054 return -EBUSY;
1055
1056 cmd = (struct i40e_nvm_access *)eeprom;
1057 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1058 if (ret_val &&
1059 ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
1060 hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
1061 (hw->debug_mask & I40E_DEBUG_NVM)))
1062 dev_info(&pf->pdev->dev,
1063 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1064 ret_val, hw->aq.asq_last_status, errno,
1065 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1066 cmd->offset, cmd->data_size);
1067
1068 return errno;
1069 }
1070
1071 static void i40e_get_drvinfo(struct net_device *netdev,
1072 struct ethtool_drvinfo *drvinfo)
1073 {
1074 struct i40e_netdev_priv *np = netdev_priv(netdev);
1075 struct i40e_vsi *vsi = np->vsi;
1076 struct i40e_pf *pf = vsi->back;
1077
1078 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1079 strlcpy(drvinfo->version, i40e_driver_version_str,
1080 sizeof(drvinfo->version));
1081 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
1082 sizeof(drvinfo->fw_version));
1083 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1084 sizeof(drvinfo->bus_info));
1085 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1086 }
1087
1088 static void i40e_get_ringparam(struct net_device *netdev,
1089 struct ethtool_ringparam *ring)
1090 {
1091 struct i40e_netdev_priv *np = netdev_priv(netdev);
1092 struct i40e_pf *pf = np->vsi->back;
1093 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1094
1095 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1096 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1097 ring->rx_mini_max_pending = 0;
1098 ring->rx_jumbo_max_pending = 0;
1099 ring->rx_pending = vsi->rx_rings[0]->count;
1100 ring->tx_pending = vsi->tx_rings[0]->count;
1101 ring->rx_mini_pending = 0;
1102 ring->rx_jumbo_pending = 0;
1103 }
1104
1105 static int i40e_set_ringparam(struct net_device *netdev,
1106 struct ethtool_ringparam *ring)
1107 {
1108 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1109 struct i40e_netdev_priv *np = netdev_priv(netdev);
1110 struct i40e_vsi *vsi = np->vsi;
1111 struct i40e_pf *pf = vsi->back;
1112 u32 new_rx_count, new_tx_count;
1113 int i, err = 0;
1114
1115 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1116 return -EINVAL;
1117
1118 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1119 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1120 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1121 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1122 netdev_info(netdev,
1123 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1124 ring->tx_pending, ring->rx_pending,
1125 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1126 return -EINVAL;
1127 }
1128
1129 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1130 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1131
1132 /* if nothing to do return success */
1133 if ((new_tx_count == vsi->tx_rings[0]->count) &&
1134 (new_rx_count == vsi->rx_rings[0]->count))
1135 return 0;
1136
1137 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1138 usleep_range(1000, 2000);
1139
1140 if (!netif_running(vsi->netdev)) {
1141 /* simple case - set for the next time the netdev is started */
1142 for (i = 0; i < vsi->num_queue_pairs; i++) {
1143 vsi->tx_rings[i]->count = new_tx_count;
1144 vsi->rx_rings[i]->count = new_rx_count;
1145 }
1146 goto done;
1147 }
1148
1149 /* We can't just free everything and then setup again,
1150 * because the ISRs in MSI-X mode get passed pointers
1151 * to the Tx and Rx ring structs.
1152 */
1153
1154 /* alloc updated Tx resources */
1155 if (new_tx_count != vsi->tx_rings[0]->count) {
1156 netdev_info(netdev,
1157 "Changing Tx descriptor count from %d to %d.\n",
1158 vsi->tx_rings[0]->count, new_tx_count);
1159 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1160 sizeof(struct i40e_ring), GFP_KERNEL);
1161 if (!tx_rings) {
1162 err = -ENOMEM;
1163 goto done;
1164 }
1165
1166 for (i = 0; i < vsi->num_queue_pairs; i++) {
1167 /* clone ring and setup updated count */
1168 tx_rings[i] = *vsi->tx_rings[i];
1169 tx_rings[i].count = new_tx_count;
1170 err = i40e_setup_tx_descriptors(&tx_rings[i]);
1171 if (err) {
1172 while (i) {
1173 i--;
1174 i40e_free_tx_resources(&tx_rings[i]);
1175 }
1176 kfree(tx_rings);
1177 tx_rings = NULL;
1178
1179 goto done;
1180 }
1181 }
1182 }
1183
1184 /* alloc updated Rx resources */
1185 if (new_rx_count != vsi->rx_rings[0]->count) {
1186 netdev_info(netdev,
1187 "Changing Rx descriptor count from %d to %d\n",
1188 vsi->rx_rings[0]->count, new_rx_count);
1189 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1190 sizeof(struct i40e_ring), GFP_KERNEL);
1191 if (!rx_rings) {
1192 err = -ENOMEM;
1193 goto free_tx;
1194 }
1195
1196 for (i = 0; i < vsi->num_queue_pairs; i++) {
1197 /* clone ring and setup updated count */
1198 rx_rings[i] = *vsi->rx_rings[i];
1199 rx_rings[i].count = new_rx_count;
1200 err = i40e_setup_rx_descriptors(&rx_rings[i]);
1201 if (err) {
1202 while (i) {
1203 i--;
1204 i40e_free_rx_resources(&rx_rings[i]);
1205 }
1206 kfree(rx_rings);
1207 rx_rings = NULL;
1208
1209 goto free_tx;
1210 }
1211 }
1212 }
1213
1214 /* Bring interface down, copy in the new ring info,
1215 * then restore the interface
1216 */
1217 i40e_down(vsi);
1218
1219 if (tx_rings) {
1220 for (i = 0; i < vsi->num_queue_pairs; i++) {
1221 i40e_free_tx_resources(vsi->tx_rings[i]);
1222 *vsi->tx_rings[i] = tx_rings[i];
1223 }
1224 kfree(tx_rings);
1225 tx_rings = NULL;
1226 }
1227
1228 if (rx_rings) {
1229 for (i = 0; i < vsi->num_queue_pairs; i++) {
1230 i40e_free_rx_resources(vsi->rx_rings[i]);
1231 *vsi->rx_rings[i] = rx_rings[i];
1232 }
1233 kfree(rx_rings);
1234 rx_rings = NULL;
1235 }
1236
1237 i40e_up(vsi);
1238
1239 free_tx:
1240 /* error cleanup if the Rx allocations failed after getting Tx */
1241 if (tx_rings) {
1242 for (i = 0; i < vsi->num_queue_pairs; i++)
1243 i40e_free_tx_resources(&tx_rings[i]);
1244 kfree(tx_rings);
1245 tx_rings = NULL;
1246 }
1247
1248 done:
1249 clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1250
1251 return err;
1252 }
1253
1254 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1255 {
1256 struct i40e_netdev_priv *np = netdev_priv(netdev);
1257 struct i40e_vsi *vsi = np->vsi;
1258 struct i40e_pf *pf = vsi->back;
1259
1260 switch (sset) {
1261 case ETH_SS_TEST:
1262 return I40E_TEST_LEN;
1263 case ETH_SS_STATS:
1264 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1265 int len = I40E_PF_STATS_LEN(netdev);
1266
1267 if ((pf->lan_veb != I40E_NO_VEB) &&
1268 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1269 len += I40E_VEB_STATS_TOTAL;
1270 return len;
1271 } else {
1272 return I40E_VSI_STATS_LEN(netdev);
1273 }
1274 case ETH_SS_PRIV_FLAGS:
1275 return I40E_PRIV_FLAGS_STR_LEN;
1276 default:
1277 return -EOPNOTSUPP;
1278 }
1279 }
1280
1281 static void i40e_get_ethtool_stats(struct net_device *netdev,
1282 struct ethtool_stats *stats, u64 *data)
1283 {
1284 struct i40e_netdev_priv *np = netdev_priv(netdev);
1285 struct i40e_ring *tx_ring, *rx_ring;
1286 struct i40e_vsi *vsi = np->vsi;
1287 struct i40e_pf *pf = vsi->back;
1288 int i = 0;
1289 char *p;
1290 int j;
1291 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1292 unsigned int start;
1293
1294 i40e_update_stats(vsi);
1295
1296 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1297 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1298 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1299 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1300 }
1301 for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1302 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1303 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1304 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1305 }
1306 #ifdef I40E_FCOE
1307 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1308 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1309 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1310 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1311 }
1312 #endif
1313 rcu_read_lock();
1314 for (j = 0; j < vsi->num_queue_pairs; j++) {
1315 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1316
1317 if (!tx_ring)
1318 continue;
1319
1320 /* process Tx ring statistics */
1321 do {
1322 start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1323 data[i] = tx_ring->stats.packets;
1324 data[i + 1] = tx_ring->stats.bytes;
1325 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1326 i += 2;
1327
1328 /* Rx ring is the 2nd half of the queue pair */
1329 rx_ring = &tx_ring[1];
1330 do {
1331 start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1332 data[i] = rx_ring->stats.packets;
1333 data[i + 1] = rx_ring->stats.bytes;
1334 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1335 i += 2;
1336 }
1337 rcu_read_unlock();
1338 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1339 return;
1340
1341 if ((pf->lan_veb != I40E_NO_VEB) &&
1342 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1343 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1344 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1345 p = (char *)veb;
1346 p += i40e_gstrings_veb_stats[j].stat_offset;
1347 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1348 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1349 }
1350 }
1351 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1352 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1353 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1354 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1355 }
1356 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1357 data[i++] = pf->stats.priority_xon_tx[j];
1358 data[i++] = pf->stats.priority_xoff_tx[j];
1359 }
1360 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1361 data[i++] = pf->stats.priority_xon_rx[j];
1362 data[i++] = pf->stats.priority_xoff_rx[j];
1363 }
1364 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1365 data[i++] = pf->stats.priority_xon_2_xoff[j];
1366 }
1367
1368 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1369 u8 *data)
1370 {
1371 struct i40e_netdev_priv *np = netdev_priv(netdev);
1372 struct i40e_vsi *vsi = np->vsi;
1373 struct i40e_pf *pf = vsi->back;
1374 char *p = (char *)data;
1375 int i;
1376
1377 switch (stringset) {
1378 case ETH_SS_TEST:
1379 for (i = 0; i < I40E_TEST_LEN; i++) {
1380 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1381 data += ETH_GSTRING_LEN;
1382 }
1383 break;
1384 case ETH_SS_STATS:
1385 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1386 snprintf(p, ETH_GSTRING_LEN, "%s",
1387 i40e_gstrings_net_stats[i].stat_string);
1388 p += ETH_GSTRING_LEN;
1389 }
1390 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1391 snprintf(p, ETH_GSTRING_LEN, "%s",
1392 i40e_gstrings_misc_stats[i].stat_string);
1393 p += ETH_GSTRING_LEN;
1394 }
1395 #ifdef I40E_FCOE
1396 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1397 snprintf(p, ETH_GSTRING_LEN, "%s",
1398 i40e_gstrings_fcoe_stats[i].stat_string);
1399 p += ETH_GSTRING_LEN;
1400 }
1401 #endif
1402 for (i = 0; i < vsi->num_queue_pairs; i++) {
1403 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1404 p += ETH_GSTRING_LEN;
1405 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1406 p += ETH_GSTRING_LEN;
1407 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1408 p += ETH_GSTRING_LEN;
1409 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1410 p += ETH_GSTRING_LEN;
1411 }
1412 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1413 return;
1414
1415 if ((pf->lan_veb != I40E_NO_VEB) &&
1416 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1417 for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1418 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1419 i40e_gstrings_veb_stats[i].stat_string);
1420 p += ETH_GSTRING_LEN;
1421 }
1422 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1423 snprintf(p, ETH_GSTRING_LEN,
1424 "veb.tc_%u_tx_packets", i);
1425 p += ETH_GSTRING_LEN;
1426 snprintf(p, ETH_GSTRING_LEN,
1427 "veb.tc_%u_tx_bytes", i);
1428 p += ETH_GSTRING_LEN;
1429 snprintf(p, ETH_GSTRING_LEN,
1430 "veb.tc_%u_rx_packets", i);
1431 p += ETH_GSTRING_LEN;
1432 snprintf(p, ETH_GSTRING_LEN,
1433 "veb.tc_%u_rx_bytes", i);
1434 p += ETH_GSTRING_LEN;
1435 }
1436 }
1437 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1438 snprintf(p, ETH_GSTRING_LEN, "port.%s",
1439 i40e_gstrings_stats[i].stat_string);
1440 p += ETH_GSTRING_LEN;
1441 }
1442 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1443 snprintf(p, ETH_GSTRING_LEN,
1444 "port.tx_priority_%u_xon", i);
1445 p += ETH_GSTRING_LEN;
1446 snprintf(p, ETH_GSTRING_LEN,
1447 "port.tx_priority_%u_xoff", i);
1448 p += ETH_GSTRING_LEN;
1449 }
1450 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1451 snprintf(p, ETH_GSTRING_LEN,
1452 "port.rx_priority_%u_xon", i);
1453 p += ETH_GSTRING_LEN;
1454 snprintf(p, ETH_GSTRING_LEN,
1455 "port.rx_priority_%u_xoff", i);
1456 p += ETH_GSTRING_LEN;
1457 }
1458 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1459 snprintf(p, ETH_GSTRING_LEN,
1460 "port.rx_priority_%u_xon_2_xoff", i);
1461 p += ETH_GSTRING_LEN;
1462 }
1463 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1464 break;
1465 case ETH_SS_PRIV_FLAGS:
1466 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1467 memcpy(data, i40e_priv_flags_strings[i],
1468 ETH_GSTRING_LEN);
1469 data += ETH_GSTRING_LEN;
1470 }
1471 break;
1472 default:
1473 break;
1474 }
1475 }
1476
1477 static int i40e_get_ts_info(struct net_device *dev,
1478 struct ethtool_ts_info *info)
1479 {
1480 struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1481
1482 /* only report HW timestamping if PTP is enabled */
1483 if (!(pf->flags & I40E_FLAG_PTP))
1484 return ethtool_op_get_ts_info(dev, info);
1485
1486 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1487 SOF_TIMESTAMPING_RX_SOFTWARE |
1488 SOF_TIMESTAMPING_SOFTWARE |
1489 SOF_TIMESTAMPING_TX_HARDWARE |
1490 SOF_TIMESTAMPING_RX_HARDWARE |
1491 SOF_TIMESTAMPING_RAW_HARDWARE;
1492
1493 if (pf->ptp_clock)
1494 info->phc_index = ptp_clock_index(pf->ptp_clock);
1495 else
1496 info->phc_index = -1;
1497
1498 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1499
1500 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1501 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1502 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1503
1504 return 0;
1505 }
1506
1507 static int i40e_link_test(struct net_device *netdev, u64 *data)
1508 {
1509 struct i40e_netdev_priv *np = netdev_priv(netdev);
1510 struct i40e_pf *pf = np->vsi->back;
1511
1512 netif_info(pf, hw, netdev, "link test\n");
1513 if (i40e_get_link_status(&pf->hw))
1514 *data = 0;
1515 else
1516 *data = 1;
1517
1518 return *data;
1519 }
1520
1521 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1522 {
1523 struct i40e_netdev_priv *np = netdev_priv(netdev);
1524 struct i40e_pf *pf = np->vsi->back;
1525
1526 netif_info(pf, hw, netdev, "register test\n");
1527 *data = i40e_diag_reg_test(&pf->hw);
1528
1529 return *data;
1530 }
1531
1532 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1533 {
1534 struct i40e_netdev_priv *np = netdev_priv(netdev);
1535 struct i40e_pf *pf = np->vsi->back;
1536
1537 netif_info(pf, hw, netdev, "eeprom test\n");
1538 *data = i40e_diag_eeprom_test(&pf->hw);
1539
1540 /* forcebly clear the NVM Update state machine */
1541 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1542
1543 return *data;
1544 }
1545
1546 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1547 {
1548 struct i40e_netdev_priv *np = netdev_priv(netdev);
1549 struct i40e_pf *pf = np->vsi->back;
1550 u16 swc_old = pf->sw_int_count;
1551
1552 netif_info(pf, hw, netdev, "interrupt test\n");
1553 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1554 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1555 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1556 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1557 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1558 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1559 usleep_range(1000, 2000);
1560 *data = (swc_old == pf->sw_int_count);
1561
1562 return *data;
1563 }
1564
1565 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1566 {
1567 struct i40e_netdev_priv *np = netdev_priv(netdev);
1568 struct i40e_pf *pf = np->vsi->back;
1569
1570 netif_info(pf, hw, netdev, "loopback test not implemented\n");
1571 *data = 0;
1572
1573 return *data;
1574 }
1575
1576 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1577 {
1578 struct i40e_vf *vfs = pf->vf;
1579 int i;
1580
1581 for (i = 0; i < pf->num_alloc_vfs; i++)
1582 if (vfs[i].vf_states & I40E_VF_STAT_ACTIVE)
1583 return true;
1584 return false;
1585 }
1586
1587 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1588 {
1589 struct i40e_vsi **vsi = pf->vsi;
1590 int i;
1591
1592 for (i = 0; i < pf->num_alloc_vsi; i++) {
1593 if (!vsi[i])
1594 continue;
1595 if (vsi[i]->type == I40E_VSI_VMDQ2)
1596 return true;
1597 }
1598
1599 return false;
1600 }
1601
1602 static void i40e_diag_test(struct net_device *netdev,
1603 struct ethtool_test *eth_test, u64 *data)
1604 {
1605 struct i40e_netdev_priv *np = netdev_priv(netdev);
1606 bool if_running = netif_running(netdev);
1607 struct i40e_pf *pf = np->vsi->back;
1608
1609 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1610 /* Offline tests */
1611 netif_info(pf, drv, netdev, "offline testing starting\n");
1612
1613 set_bit(__I40E_TESTING, &pf->state);
1614
1615 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1616 dev_warn(&pf->pdev->dev,
1617 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1618 data[I40E_ETH_TEST_REG] = 1;
1619 data[I40E_ETH_TEST_EEPROM] = 1;
1620 data[I40E_ETH_TEST_INTR] = 1;
1621 data[I40E_ETH_TEST_LOOPBACK] = 1;
1622 data[I40E_ETH_TEST_LINK] = 1;
1623 eth_test->flags |= ETH_TEST_FL_FAILED;
1624 clear_bit(__I40E_TESTING, &pf->state);
1625 goto skip_ol_tests;
1626 }
1627
1628 /* If the device is online then take it offline */
1629 if (if_running)
1630 /* indicate we're in test mode */
1631 dev_close(netdev);
1632 else
1633 /* This reset does not affect link - if it is
1634 * changed to a type of reset that does affect
1635 * link then the following link test would have
1636 * to be moved to before the reset
1637 */
1638 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1639
1640 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1641 eth_test->flags |= ETH_TEST_FL_FAILED;
1642
1643 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1644 eth_test->flags |= ETH_TEST_FL_FAILED;
1645
1646 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1647 eth_test->flags |= ETH_TEST_FL_FAILED;
1648
1649 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1650 eth_test->flags |= ETH_TEST_FL_FAILED;
1651
1652 /* run reg test last, a reset is required after it */
1653 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1654 eth_test->flags |= ETH_TEST_FL_FAILED;
1655
1656 clear_bit(__I40E_TESTING, &pf->state);
1657 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1658
1659 if (if_running)
1660 dev_open(netdev);
1661 } else {
1662 /* Online tests */
1663 netif_info(pf, drv, netdev, "online testing starting\n");
1664
1665 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1666 eth_test->flags |= ETH_TEST_FL_FAILED;
1667
1668 /* Offline only tests, not run in online; pass by default */
1669 data[I40E_ETH_TEST_REG] = 0;
1670 data[I40E_ETH_TEST_EEPROM] = 0;
1671 data[I40E_ETH_TEST_INTR] = 0;
1672 data[I40E_ETH_TEST_LOOPBACK] = 0;
1673 }
1674
1675 skip_ol_tests:
1676
1677 netif_info(pf, drv, netdev, "testing finished\n");
1678 }
1679
1680 static void i40e_get_wol(struct net_device *netdev,
1681 struct ethtool_wolinfo *wol)
1682 {
1683 struct i40e_netdev_priv *np = netdev_priv(netdev);
1684 struct i40e_pf *pf = np->vsi->back;
1685 struct i40e_hw *hw = &pf->hw;
1686 u16 wol_nvm_bits;
1687
1688 /* NVM bit on means WoL disabled for the port */
1689 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1690 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1691 wol->supported = 0;
1692 wol->wolopts = 0;
1693 } else {
1694 wol->supported = WAKE_MAGIC;
1695 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1696 }
1697 }
1698
1699 /**
1700 * i40e_set_wol - set the WakeOnLAN configuration
1701 * @netdev: the netdev in question
1702 * @wol: the ethtool WoL setting data
1703 **/
1704 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1705 {
1706 struct i40e_netdev_priv *np = netdev_priv(netdev);
1707 struct i40e_pf *pf = np->vsi->back;
1708 struct i40e_vsi *vsi = np->vsi;
1709 struct i40e_hw *hw = &pf->hw;
1710 u16 wol_nvm_bits;
1711
1712 /* WoL not supported if this isn't the controlling PF on the port */
1713 if (hw->partition_id != 1) {
1714 i40e_partition_setting_complaint(pf);
1715 return -EOPNOTSUPP;
1716 }
1717
1718 if (vsi != pf->vsi[pf->lan_vsi])
1719 return -EOPNOTSUPP;
1720
1721 /* NVM bit on means WoL disabled for the port */
1722 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1723 if (BIT(hw->port) & wol_nvm_bits)
1724 return -EOPNOTSUPP;
1725
1726 /* only magic packet is supported */
1727 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1728 return -EOPNOTSUPP;
1729
1730 /* is this a new value? */
1731 if (pf->wol_en != !!wol->wolopts) {
1732 pf->wol_en = !!wol->wolopts;
1733 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1734 }
1735
1736 return 0;
1737 }
1738
1739 static int i40e_set_phys_id(struct net_device *netdev,
1740 enum ethtool_phys_id_state state)
1741 {
1742 struct i40e_netdev_priv *np = netdev_priv(netdev);
1743 struct i40e_pf *pf = np->vsi->back;
1744 struct i40e_hw *hw = &pf->hw;
1745 int blink_freq = 2;
1746
1747 switch (state) {
1748 case ETHTOOL_ID_ACTIVE:
1749 pf->led_status = i40e_led_get(hw);
1750 return blink_freq;
1751 case ETHTOOL_ID_ON:
1752 i40e_led_set(hw, 0xF, false);
1753 break;
1754 case ETHTOOL_ID_OFF:
1755 i40e_led_set(hw, 0x0, false);
1756 break;
1757 case ETHTOOL_ID_INACTIVE:
1758 i40e_led_set(hw, pf->led_status, false);
1759 break;
1760 default:
1761 break;
1762 }
1763
1764 return 0;
1765 }
1766
1767 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1768 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1769 * 125us (8000 interrupts per second) == ITR(62)
1770 */
1771
1772 static int i40e_get_coalesce(struct net_device *netdev,
1773 struct ethtool_coalesce *ec)
1774 {
1775 struct i40e_netdev_priv *np = netdev_priv(netdev);
1776 struct i40e_vsi *vsi = np->vsi;
1777
1778 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1779 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1780
1781 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1782 ec->use_adaptive_rx_coalesce = 1;
1783
1784 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1785 ec->use_adaptive_tx_coalesce = 1;
1786
1787 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1788 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1789
1790 return 0;
1791 }
1792
1793 static int i40e_set_coalesce(struct net_device *netdev,
1794 struct ethtool_coalesce *ec)
1795 {
1796 struct i40e_netdev_priv *np = netdev_priv(netdev);
1797 struct i40e_q_vector *q_vector;
1798 struct i40e_vsi *vsi = np->vsi;
1799 struct i40e_pf *pf = vsi->back;
1800 struct i40e_hw *hw = &pf->hw;
1801 u16 vector;
1802 int i;
1803
1804 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1805 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1806
1807 vector = vsi->base_vector;
1808 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1809 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1810 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1811 } else if (ec->rx_coalesce_usecs == 0) {
1812 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1813 if (ec->use_adaptive_rx_coalesce)
1814 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1815 } else {
1816 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1817 return -EINVAL;
1818 }
1819
1820 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1821 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1822 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1823 } else if (ec->tx_coalesce_usecs == 0) {
1824 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1825 if (ec->use_adaptive_tx_coalesce)
1826 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1827 } else {
1828 netif_info(pf, drv, netdev,
1829 "Invalid value, tx-usecs range is 0-8160\n");
1830 return -EINVAL;
1831 }
1832
1833 if (ec->use_adaptive_rx_coalesce)
1834 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1835 else
1836 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1837
1838 if (ec->use_adaptive_tx_coalesce)
1839 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1840 else
1841 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1842
1843 for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1844 q_vector = vsi->q_vectors[i];
1845 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1846 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1847 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1848 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1849 i40e_flush(hw);
1850 }
1851
1852 return 0;
1853 }
1854
1855 /**
1856 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1857 * @pf: pointer to the physical function struct
1858 * @cmd: ethtool rxnfc command
1859 *
1860 * Returns Success if the flow is supported, else Invalid Input.
1861 **/
1862 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1863 {
1864 cmd->data = 0;
1865
1866 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1867 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1868 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1869 return 0;
1870 }
1871 /* Report default options for RSS on i40e */
1872 switch (cmd->flow_type) {
1873 case TCP_V4_FLOW:
1874 case UDP_V4_FLOW:
1875 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1876 /* fall through to add IP fields */
1877 case SCTP_V4_FLOW:
1878 case AH_ESP_V4_FLOW:
1879 case AH_V4_FLOW:
1880 case ESP_V4_FLOW:
1881 case IPV4_FLOW:
1882 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1883 break;
1884 case TCP_V6_FLOW:
1885 case UDP_V6_FLOW:
1886 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1887 /* fall through to add IP fields */
1888 case SCTP_V6_FLOW:
1889 case AH_ESP_V6_FLOW:
1890 case AH_V6_FLOW:
1891 case ESP_V6_FLOW:
1892 case IPV6_FLOW:
1893 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1894 break;
1895 default:
1896 return -EINVAL;
1897 }
1898
1899 return 0;
1900 }
1901
1902 /**
1903 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1904 * @pf: Pointer to the physical function struct
1905 * @cmd: The command to get or set Rx flow classification rules
1906 * @rule_locs: Array of used rule locations
1907 *
1908 * This function populates both the total and actual rule count of
1909 * the ethtool flow classification command
1910 *
1911 * Returns 0 on success or -EMSGSIZE if entry not found
1912 **/
1913 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
1914 struct ethtool_rxnfc *cmd,
1915 u32 *rule_locs)
1916 {
1917 struct i40e_fdir_filter *rule;
1918 struct hlist_node *node2;
1919 int cnt = 0;
1920
1921 /* report total rule count */
1922 cmd->data = i40e_get_fd_cnt_all(pf);
1923
1924 hlist_for_each_entry_safe(rule, node2,
1925 &pf->fdir_filter_list, fdir_node) {
1926 if (cnt == cmd->rule_cnt)
1927 return -EMSGSIZE;
1928
1929 rule_locs[cnt] = rule->fd_id;
1930 cnt++;
1931 }
1932
1933 cmd->rule_cnt = cnt;
1934
1935 return 0;
1936 }
1937
1938 /**
1939 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
1940 * @pf: Pointer to the physical function struct
1941 * @cmd: The command to get or set Rx flow classification rules
1942 *
1943 * This function looks up a filter based on the Rx flow classification
1944 * command and fills the flow spec info for it if found
1945 *
1946 * Returns 0 on success or -EINVAL if filter not found
1947 **/
1948 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
1949 struct ethtool_rxnfc *cmd)
1950 {
1951 struct ethtool_rx_flow_spec *fsp =
1952 (struct ethtool_rx_flow_spec *)&cmd->fs;
1953 struct i40e_fdir_filter *rule = NULL;
1954 struct hlist_node *node2;
1955
1956 hlist_for_each_entry_safe(rule, node2,
1957 &pf->fdir_filter_list, fdir_node) {
1958 if (fsp->location <= rule->fd_id)
1959 break;
1960 }
1961
1962 if (!rule || fsp->location != rule->fd_id)
1963 return -EINVAL;
1964
1965 fsp->flow_type = rule->flow_type;
1966 if (fsp->flow_type == IP_USER_FLOW) {
1967 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
1968 fsp->h_u.usr_ip4_spec.proto = 0;
1969 fsp->m_u.usr_ip4_spec.proto = 0;
1970 }
1971
1972 /* Reverse the src and dest notion, since the HW views them from
1973 * Tx perspective where as the user expects it from Rx filter view.
1974 */
1975 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
1976 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
1977 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
1978 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
1979
1980 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
1981 fsp->ring_cookie = RX_CLS_FLOW_DISC;
1982 else
1983 fsp->ring_cookie = rule->q_index;
1984
1985 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
1986 struct i40e_vsi *vsi;
1987
1988 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
1989 if (vsi && vsi->type == I40E_VSI_SRIOV) {
1990 fsp->h_ext.data[1] = htonl(vsi->vf_id);
1991 fsp->m_ext.data[1] = htonl(0x1);
1992 }
1993 }
1994
1995 return 0;
1996 }
1997
1998 /**
1999 * i40e_get_rxnfc - command to get RX flow classification rules
2000 * @netdev: network interface device structure
2001 * @cmd: ethtool rxnfc command
2002 *
2003 * Returns Success if the command is supported.
2004 **/
2005 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2006 u32 *rule_locs)
2007 {
2008 struct i40e_netdev_priv *np = netdev_priv(netdev);
2009 struct i40e_vsi *vsi = np->vsi;
2010 struct i40e_pf *pf = vsi->back;
2011 int ret = -EOPNOTSUPP;
2012
2013 switch (cmd->cmd) {
2014 case ETHTOOL_GRXRINGS:
2015 cmd->data = vsi->alloc_queue_pairs;
2016 ret = 0;
2017 break;
2018 case ETHTOOL_GRXFH:
2019 ret = i40e_get_rss_hash_opts(pf, cmd);
2020 break;
2021 case ETHTOOL_GRXCLSRLCNT:
2022 cmd->rule_cnt = pf->fdir_pf_active_filters;
2023 /* report total rule count */
2024 cmd->data = i40e_get_fd_cnt_all(pf);
2025 ret = 0;
2026 break;
2027 case ETHTOOL_GRXCLSRULE:
2028 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2029 break;
2030 case ETHTOOL_GRXCLSRLALL:
2031 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2032 break;
2033 default:
2034 break;
2035 }
2036
2037 return ret;
2038 }
2039
2040 /**
2041 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2042 * @pf: pointer to the physical function struct
2043 * @cmd: ethtool rxnfc command
2044 *
2045 * Returns Success if the flow input set is supported.
2046 **/
2047 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2048 {
2049 struct i40e_hw *hw = &pf->hw;
2050 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2051 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2052
2053 /* RSS does not support anything other than hashing
2054 * to queues on src and dst IPs and ports
2055 */
2056 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2057 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2058 return -EINVAL;
2059
2060 /* We need at least the IP SRC and DEST fields for hashing */
2061 if (!(nfc->data & RXH_IP_SRC) ||
2062 !(nfc->data & RXH_IP_DST))
2063 return -EINVAL;
2064
2065 switch (nfc->flow_type) {
2066 case TCP_V4_FLOW:
2067 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2068 case 0:
2069 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2070 break;
2071 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2072 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2073 break;
2074 default:
2075 return -EINVAL;
2076 }
2077 break;
2078 case TCP_V6_FLOW:
2079 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2080 case 0:
2081 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2082 break;
2083 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2084 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2085 break;
2086 default:
2087 return -EINVAL;
2088 }
2089 break;
2090 case UDP_V4_FLOW:
2091 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2092 case 0:
2093 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2094 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2095 break;
2096 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2097 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2098 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2099 break;
2100 default:
2101 return -EINVAL;
2102 }
2103 break;
2104 case UDP_V6_FLOW:
2105 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2106 case 0:
2107 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2108 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2109 break;
2110 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2111 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2112 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2113 break;
2114 default:
2115 return -EINVAL;
2116 }
2117 break;
2118 case AH_ESP_V4_FLOW:
2119 case AH_V4_FLOW:
2120 case ESP_V4_FLOW:
2121 case SCTP_V4_FLOW:
2122 if ((nfc->data & RXH_L4_B_0_1) ||
2123 (nfc->data & RXH_L4_B_2_3))
2124 return -EINVAL;
2125 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2126 break;
2127 case AH_ESP_V6_FLOW:
2128 case AH_V6_FLOW:
2129 case ESP_V6_FLOW:
2130 case SCTP_V6_FLOW:
2131 if ((nfc->data & RXH_L4_B_0_1) ||
2132 (nfc->data & RXH_L4_B_2_3))
2133 return -EINVAL;
2134 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2135 break;
2136 case IPV4_FLOW:
2137 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2138 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2139 break;
2140 case IPV6_FLOW:
2141 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2142 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2143 break;
2144 default:
2145 return -EINVAL;
2146 }
2147
2148 wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2149 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2150 i40e_flush(hw);
2151
2152 /* Save setting for future output/update */
2153 pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2154
2155 return 0;
2156 }
2157
2158 /**
2159 * i40e_match_fdir_input_set - Match a new filter against an existing one
2160 * @rule: The filter already added
2161 * @input: The new filter to comapre against
2162 *
2163 * Returns true if the two input set match
2164 **/
2165 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2166 struct i40e_fdir_filter *input)
2167 {
2168 if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2169 (rule->src_ip[0] != input->src_ip[0]) ||
2170 (rule->dst_port != input->dst_port) ||
2171 (rule->src_port != input->src_port))
2172 return false;
2173 return true;
2174 }
2175
2176 /**
2177 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2178 * @vsi: Pointer to the targeted VSI
2179 * @input: The filter to update or NULL to indicate deletion
2180 * @sw_idx: Software index to the filter
2181 * @cmd: The command to get or set Rx flow classification rules
2182 *
2183 * This function updates (or deletes) a Flow Director entry from
2184 * the hlist of the corresponding PF
2185 *
2186 * Returns 0 on success
2187 **/
2188 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2189 struct i40e_fdir_filter *input,
2190 u16 sw_idx,
2191 struct ethtool_rxnfc *cmd)
2192 {
2193 struct i40e_fdir_filter *rule, *parent;
2194 struct i40e_pf *pf = vsi->back;
2195 struct hlist_node *node2;
2196 int err = -EINVAL;
2197
2198 parent = NULL;
2199 rule = NULL;
2200
2201 hlist_for_each_entry_safe(rule, node2,
2202 &pf->fdir_filter_list, fdir_node) {
2203 /* hash found, or no matching entry */
2204 if (rule->fd_id >= sw_idx)
2205 break;
2206 parent = rule;
2207 }
2208
2209 /* if there is an old rule occupying our place remove it */
2210 if (rule && (rule->fd_id == sw_idx)) {
2211 if (input && !i40e_match_fdir_input_set(rule, input))
2212 err = i40e_add_del_fdir(vsi, rule, false);
2213 else if (!input)
2214 err = i40e_add_del_fdir(vsi, rule, false);
2215 hlist_del(&rule->fdir_node);
2216 kfree(rule);
2217 pf->fdir_pf_active_filters--;
2218 }
2219
2220 /* If no input this was a delete, err should be 0 if a rule was
2221 * successfully found and removed from the list else -EINVAL
2222 */
2223 if (!input)
2224 return err;
2225
2226 /* initialize node and set software index */
2227 INIT_HLIST_NODE(&input->fdir_node);
2228
2229 /* add filter to the list */
2230 if (parent)
2231 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2232 else
2233 hlist_add_head(&input->fdir_node,
2234 &pf->fdir_filter_list);
2235
2236 /* update counts */
2237 pf->fdir_pf_active_filters++;
2238
2239 return 0;
2240 }
2241
2242 /**
2243 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2244 * @vsi: Pointer to the targeted VSI
2245 * @cmd: The command to get or set Rx flow classification rules
2246 *
2247 * The function removes a Flow Director filter entry from the
2248 * hlist of the corresponding PF
2249 *
2250 * Returns 0 on success
2251 */
2252 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2253 struct ethtool_rxnfc *cmd)
2254 {
2255 struct ethtool_rx_flow_spec *fsp =
2256 (struct ethtool_rx_flow_spec *)&cmd->fs;
2257 struct i40e_pf *pf = vsi->back;
2258 int ret = 0;
2259
2260 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2261 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2262 return -EBUSY;
2263
2264 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2265 return -EBUSY;
2266
2267 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2268
2269 i40e_fdir_check_and_reenable(pf);
2270 return ret;
2271 }
2272
2273 /**
2274 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2275 * @vsi: pointer to the targeted VSI
2276 * @cmd: command to get or set RX flow classification rules
2277 *
2278 * Add Flow Director filters for a specific flow spec based on their
2279 * protocol. Returns 0 if the filters were successfully added.
2280 **/
2281 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2282 struct ethtool_rxnfc *cmd)
2283 {
2284 struct ethtool_rx_flow_spec *fsp;
2285 struct i40e_fdir_filter *input;
2286 struct i40e_pf *pf;
2287 int ret = -EINVAL;
2288 u16 vf_id;
2289
2290 if (!vsi)
2291 return -EINVAL;
2292
2293 pf = vsi->back;
2294
2295 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2296 return -EOPNOTSUPP;
2297
2298 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2299 return -ENOSPC;
2300
2301 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2302 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2303 return -EBUSY;
2304
2305 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2306 return -EBUSY;
2307
2308 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2309
2310 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2311 pf->hw.func_caps.fd_filters_guaranteed)) {
2312 return -EINVAL;
2313 }
2314
2315 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2316 (fsp->ring_cookie >= vsi->num_queue_pairs))
2317 return -EINVAL;
2318
2319 input = kzalloc(sizeof(*input), GFP_KERNEL);
2320
2321 if (!input)
2322 return -ENOMEM;
2323
2324 input->fd_id = fsp->location;
2325
2326 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2327 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2328 else
2329 input->dest_ctl =
2330 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2331
2332 input->q_index = fsp->ring_cookie;
2333 input->flex_off = 0;
2334 input->pctype = 0;
2335 input->dest_vsi = vsi->id;
2336 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2337 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2338 input->flow_type = fsp->flow_type;
2339 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2340
2341 /* Reverse the src and dest notion, since the HW expects them to be from
2342 * Tx perspective where as the input from user is from Rx filter view.
2343 */
2344 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2345 input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2346 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2347 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2348
2349 if (ntohl(fsp->m_ext.data[1])) {
2350 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2351 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2352 goto free_input;
2353 }
2354 vf_id = ntohl(fsp->h_ext.data[1]);
2355 /* Find vsi id from vf id and override dest vsi */
2356 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2357 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2358 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2359 goto free_input;
2360 }
2361 }
2362
2363 ret = i40e_add_del_fdir(vsi, input, true);
2364 free_input:
2365 if (ret)
2366 kfree(input);
2367 else
2368 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2369
2370 return ret;
2371 }
2372
2373 /**
2374 * i40e_set_rxnfc - command to set RX flow classification rules
2375 * @netdev: network interface device structure
2376 * @cmd: ethtool rxnfc command
2377 *
2378 * Returns Success if the command is supported.
2379 **/
2380 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2381 {
2382 struct i40e_netdev_priv *np = netdev_priv(netdev);
2383 struct i40e_vsi *vsi = np->vsi;
2384 struct i40e_pf *pf = vsi->back;
2385 int ret = -EOPNOTSUPP;
2386
2387 switch (cmd->cmd) {
2388 case ETHTOOL_SRXFH:
2389 ret = i40e_set_rss_hash_opt(pf, cmd);
2390 break;
2391 case ETHTOOL_SRXCLSRLINS:
2392 ret = i40e_add_fdir_ethtool(vsi, cmd);
2393 break;
2394 case ETHTOOL_SRXCLSRLDEL:
2395 ret = i40e_del_fdir_entry(vsi, cmd);
2396 break;
2397 default:
2398 break;
2399 }
2400
2401 return ret;
2402 }
2403
2404 /**
2405 * i40e_max_channels - get Max number of combined channels supported
2406 * @vsi: vsi pointer
2407 **/
2408 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2409 {
2410 /* TODO: This code assumes DCB and FD is disabled for now. */
2411 return vsi->alloc_queue_pairs;
2412 }
2413
2414 /**
2415 * i40e_get_channels - Get the current channels enabled and max supported etc.
2416 * @netdev: network interface device structure
2417 * @ch: ethtool channels structure
2418 *
2419 * We don't support separate tx and rx queues as channels. The other count
2420 * represents how many queues are being used for control. max_combined counts
2421 * how many queue pairs we can support. They may not be mapped 1 to 1 with
2422 * q_vectors since we support a lot more queue pairs than q_vectors.
2423 **/
2424 static void i40e_get_channels(struct net_device *dev,
2425 struct ethtool_channels *ch)
2426 {
2427 struct i40e_netdev_priv *np = netdev_priv(dev);
2428 struct i40e_vsi *vsi = np->vsi;
2429 struct i40e_pf *pf = vsi->back;
2430
2431 /* report maximum channels */
2432 ch->max_combined = i40e_max_channels(vsi);
2433
2434 /* report info for other vector */
2435 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2436 ch->max_other = ch->other_count;
2437
2438 /* Note: This code assumes DCB is disabled for now. */
2439 ch->combined_count = vsi->num_queue_pairs;
2440 }
2441
2442 /**
2443 * i40e_set_channels - Set the new channels count.
2444 * @netdev: network interface device structure
2445 * @ch: ethtool channels structure
2446 *
2447 * The new channels count may not be the same as requested by the user
2448 * since it gets rounded down to a power of 2 value.
2449 **/
2450 static int i40e_set_channels(struct net_device *dev,
2451 struct ethtool_channels *ch)
2452 {
2453 struct i40e_netdev_priv *np = netdev_priv(dev);
2454 unsigned int count = ch->combined_count;
2455 struct i40e_vsi *vsi = np->vsi;
2456 struct i40e_pf *pf = vsi->back;
2457 int new_count;
2458
2459 /* We do not support setting channels for any other VSI at present */
2460 if (vsi->type != I40E_VSI_MAIN)
2461 return -EINVAL;
2462
2463 /* verify they are not requesting separate vectors */
2464 if (!count || ch->rx_count || ch->tx_count)
2465 return -EINVAL;
2466
2467 /* verify other_count has not changed */
2468 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2469 return -EINVAL;
2470
2471 /* verify the number of channels does not exceed hardware limits */
2472 if (count > i40e_max_channels(vsi))
2473 return -EINVAL;
2474
2475 /* update feature limits from largest to smallest supported values */
2476 /* TODO: Flow director limit, DCB etc */
2477
2478 /* use rss_reconfig to rebuild with new queue count and update traffic
2479 * class queue mapping
2480 */
2481 new_count = i40e_reconfig_rss_queues(pf, count);
2482 if (new_count > 0)
2483 return 0;
2484 else
2485 return -EINVAL;
2486 }
2487
2488 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2489 /**
2490 * i40e_get_rxfh_key_size - get the RSS hash key size
2491 * @netdev: network interface device structure
2492 *
2493 * Returns the table size.
2494 **/
2495 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2496 {
2497 return I40E_HKEY_ARRAY_SIZE;
2498 }
2499
2500 /**
2501 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2502 * @netdev: network interface device structure
2503 *
2504 * Returns the table size.
2505 **/
2506 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2507 {
2508 return I40E_HLUT_ARRAY_SIZE;
2509 }
2510
2511 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2512 u8 *hfunc)
2513 {
2514 struct i40e_netdev_priv *np = netdev_priv(netdev);
2515 struct i40e_vsi *vsi = np->vsi;
2516 struct i40e_pf *pf = vsi->back;
2517 struct i40e_hw *hw = &pf->hw;
2518 u32 reg_val;
2519 int i, j;
2520
2521 if (hfunc)
2522 *hfunc = ETH_RSS_HASH_TOP;
2523
2524 if (!indir)
2525 return 0;
2526
2527 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2528 reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2529 indir[j++] = reg_val & 0xff;
2530 indir[j++] = (reg_val >> 8) & 0xff;
2531 indir[j++] = (reg_val >> 16) & 0xff;
2532 indir[j++] = (reg_val >> 24) & 0xff;
2533 }
2534
2535 if (key) {
2536 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2537 reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2538 key[j++] = (u8)(reg_val & 0xff);
2539 key[j++] = (u8)((reg_val >> 8) & 0xff);
2540 key[j++] = (u8)((reg_val >> 16) & 0xff);
2541 key[j++] = (u8)((reg_val >> 24) & 0xff);
2542 }
2543 }
2544 return 0;
2545 }
2546
2547 /**
2548 * i40e_set_rxfh - set the rx flow hash indirection table
2549 * @netdev: network interface device structure
2550 * @indir: indirection table
2551 * @key: hash key
2552 *
2553 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2554 * returns 0 after programming the table.
2555 **/
2556 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2557 const u8 *key, const u8 hfunc)
2558 {
2559 struct i40e_netdev_priv *np = netdev_priv(netdev);
2560 struct i40e_vsi *vsi = np->vsi;
2561 struct i40e_pf *pf = vsi->back;
2562 struct i40e_hw *hw = &pf->hw;
2563 u32 reg_val;
2564 int i, j;
2565
2566 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2567 return -EOPNOTSUPP;
2568
2569 if (!indir)
2570 return 0;
2571
2572 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2573 reg_val = indir[j++];
2574 reg_val |= indir[j++] << 8;
2575 reg_val |= indir[j++] << 16;
2576 reg_val |= indir[j++] << 24;
2577 wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2578 }
2579
2580 if (key) {
2581 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2582 reg_val = key[j++];
2583 reg_val |= key[j++] << 8;
2584 reg_val |= key[j++] << 16;
2585 reg_val |= key[j++] << 24;
2586 wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2587 }
2588 }
2589 return 0;
2590 }
2591
2592 /**
2593 * i40e_get_priv_flags - report device private flags
2594 * @dev: network interface device structure
2595 *
2596 * The get string set count and the string set should be matched for each
2597 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
2598 * array.
2599 *
2600 * Returns a u32 bitmap of flags.
2601 **/
2602 static u32 i40e_get_priv_flags(struct net_device *dev)
2603 {
2604 struct i40e_netdev_priv *np = netdev_priv(dev);
2605 struct i40e_vsi *vsi = np->vsi;
2606 struct i40e_pf *pf = vsi->back;
2607 u32 ret_flags = 0;
2608
2609 ret_flags |= pf->hw.func_caps.npar_enable ?
2610 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2611
2612 return ret_flags;
2613 }
2614
2615 static const struct ethtool_ops i40e_ethtool_ops = {
2616 .get_settings = i40e_get_settings,
2617 .set_settings = i40e_set_settings,
2618 .get_drvinfo = i40e_get_drvinfo,
2619 .get_regs_len = i40e_get_regs_len,
2620 .get_regs = i40e_get_regs,
2621 .nway_reset = i40e_nway_reset,
2622 .get_link = ethtool_op_get_link,
2623 .get_wol = i40e_get_wol,
2624 .set_wol = i40e_set_wol,
2625 .set_eeprom = i40e_set_eeprom,
2626 .get_eeprom_len = i40e_get_eeprom_len,
2627 .get_eeprom = i40e_get_eeprom,
2628 .get_ringparam = i40e_get_ringparam,
2629 .set_ringparam = i40e_set_ringparam,
2630 .get_pauseparam = i40e_get_pauseparam,
2631 .set_pauseparam = i40e_set_pauseparam,
2632 .get_msglevel = i40e_get_msglevel,
2633 .set_msglevel = i40e_set_msglevel,
2634 .get_rxnfc = i40e_get_rxnfc,
2635 .set_rxnfc = i40e_set_rxnfc,
2636 .self_test = i40e_diag_test,
2637 .get_strings = i40e_get_strings,
2638 .set_phys_id = i40e_set_phys_id,
2639 .get_sset_count = i40e_get_sset_count,
2640 .get_ethtool_stats = i40e_get_ethtool_stats,
2641 .get_coalesce = i40e_get_coalesce,
2642 .set_coalesce = i40e_set_coalesce,
2643 .get_rxfh_key_size = i40e_get_rxfh_key_size,
2644 .get_rxfh_indir_size = i40e_get_rxfh_indir_size,
2645 .get_rxfh = i40e_get_rxfh,
2646 .set_rxfh = i40e_set_rxfh,
2647 .get_channels = i40e_get_channels,
2648 .set_channels = i40e_set_channels,
2649 .get_ts_info = i40e_get_ts_info,
2650 .get_priv_flags = i40e_get_priv_flags,
2651 };
2652
2653 void i40e_set_ethtool_ops(struct net_device *netdev)
2654 {
2655 netdev->ethtool_ops = &i40e_ethtool_ops;
2656 }
Linux kernel - Deliverables
This page took 0.086088 seconds and 6 git commands to generate.