1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2015 Intel Corporation.
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.
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
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/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
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
25 ******************************************************************************/
27 /* ethtool support for i40e */
30 #include "i40e_diag.h"
33 char stat_string
[ETH_GSTRING_LEN
];
38 #define I40E_STAT(_type, _name, _stat) { \
39 .stat_string = _name, \
40 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
41 .stat_offset = offsetof(_type, _stat) \
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)
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
),
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
),
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
),
92 static int i40e_add_fdir_ethtool(struct i40e_vsi
*vsi
,
93 struct ethtool_rxnfc
*cmd
);
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.
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.
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
),
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
),
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
),
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)
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)))
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)) \
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)) \
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)))
212 enum i40e_ethtool_test_id
{
213 I40E_ETH_TEST_REG
= 0,
214 I40E_ETH_TEST_EEPROM
,
216 I40E_ETH_TEST_LOOPBACK
,
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)"
228 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
230 static const char i40e_priv_flags_strings
[][ETH_GSTRING_LEN
] = {
234 #define I40E_PRIV_FLAGS_STR_LEN \
235 (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN)
238 * i40e_partition_setting_complaint - generic complaint for MFP restriction
241 static void i40e_partition_setting_complaint(struct i40e_pf
*pf
)
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");
248 * i40e_get_settings_link_up - Get the Link settings for when link is up
250 * @ecmd: ethtool command to fill in
251 * @netdev: network interface device structure
254 static void i40e_get_settings_link_up(struct i40e_hw
*hw
,
255 struct ethtool_cmd
*ecmd
,
256 struct net_device
*netdev
)
258 struct i40e_link_status
*hw_link_info
= &hw
->phy
.link_info
;
259 u32 link_speed
= hw_link_info
->link_speed
;
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
;
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
;
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
;
281 case I40E_PHY_TYPE_40GBASE_SR4
:
282 ecmd
->supported
= SUPPORTED_40000baseSR4_Full
;
284 case I40E_PHY_TYPE_40GBASE_LR4
:
285 ecmd
->supported
= SUPPORTED_40000baseLR4_Full
;
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
;
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
;
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
;
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
;
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
;
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
;
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
;
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
;
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
;
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
);
366 /* Set speed and duplex */
367 switch (link_speed
) {
368 case I40E_LINK_SPEED_40GB
:
369 ethtool_cmd_speed_set(ecmd
, SPEED_40000
);
371 case I40E_LINK_SPEED_20GB
:
372 ethtool_cmd_speed_set(ecmd
, SPEED_20000
);
374 case I40E_LINK_SPEED_10GB
:
375 ethtool_cmd_speed_set(ecmd
, SPEED_10000
);
377 case I40E_LINK_SPEED_1GB
:
378 ethtool_cmd_speed_set(ecmd
, SPEED_1000
);
380 case I40E_LINK_SPEED_100MB
:
381 ethtool_cmd_speed_set(ecmd
, SPEED_100
);
386 ecmd
->duplex
= DUPLEX_FULL
;
390 * i40e_get_settings_link_down - Get the Link settings for when link is down
392 * @ecmd: ethtool command to fill in
394 * Reports link settings that can be determined when link is down
396 static void i40e_get_settings_link_down(struct i40e_hw
*hw
,
397 struct ethtool_cmd
*ecmd
)
399 struct i40e_link_status
*hw_link_info
= &hw
->phy
.link_info
;
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
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
:
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
;
417 case I40E_DEV_ID_KX_B
:
419 ecmd
->supported
= SUPPORTED_40000baseKR4_Full
;
420 ecmd
->advertising
= ADVERTISED_40000baseKR4_Full
;
422 case I40E_DEV_ID_KX_C
:
424 ecmd
->supported
= SUPPORTED_10000baseKR_Full
;
425 ecmd
->advertising
= ADVERTISED_10000baseKR_Full
;
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
;
439 case I40E_DEV_ID_20G_KR2
:
441 ecmd
->supported
= SUPPORTED_20000baseKR2_Full
;
442 ecmd
->advertising
= ADVERTISED_20000baseKR2_Full
;
445 /* all the rest are 10G/1G */
446 ecmd
->supported
= SUPPORTED_10000baseT_Full
|
447 SUPPORTED_1000baseT_Full
;
448 /* Figure out what has been requested */
449 if (hw_link_info
->requested_speeds
& I40E_LINK_SPEED_10GB
)
450 ecmd
->advertising
|= ADVERTISED_10000baseT_Full
;
451 if (hw_link_info
->requested_speeds
& I40E_LINK_SPEED_1GB
)
452 ecmd
->advertising
|= ADVERTISED_1000baseT_Full
;
456 /* With no link speed and duplex are unknown */
457 ethtool_cmd_speed_set(ecmd
, SPEED_UNKNOWN
);
458 ecmd
->duplex
= DUPLEX_UNKNOWN
;
462 * i40e_get_settings - Get Link Speed and Duplex settings
463 * @netdev: network interface device structure
464 * @ecmd: ethtool command
466 * Reports speed/duplex settings based on media_type
468 static int i40e_get_settings(struct net_device
*netdev
,
469 struct ethtool_cmd
*ecmd
)
471 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
472 struct i40e_pf
*pf
= np
->vsi
->back
;
473 struct i40e_hw
*hw
= &pf
->hw
;
474 struct i40e_link_status
*hw_link_info
= &hw
->phy
.link_info
;
475 bool link_up
= hw_link_info
->link_info
& I40E_AQ_LINK_UP
;
478 i40e_get_settings_link_up(hw
, ecmd
, netdev
);
480 i40e_get_settings_link_down(hw
, ecmd
);
482 /* Now set the settings that don't rely on link being up/down */
484 /* Set autoneg settings */
485 ecmd
->autoneg
= ((hw_link_info
->an_info
& I40E_AQ_AN_COMPLETED
) ?
486 AUTONEG_ENABLE
: AUTONEG_DISABLE
);
488 switch (hw
->phy
.media_type
) {
489 case I40E_MEDIA_TYPE_BACKPLANE
:
490 ecmd
->supported
|= SUPPORTED_Autoneg
|
492 ecmd
->advertising
|= ADVERTISED_Autoneg
|
493 ADVERTISED_Backplane
;
494 ecmd
->port
= PORT_NONE
;
496 case I40E_MEDIA_TYPE_BASET
:
497 ecmd
->supported
|= SUPPORTED_TP
;
498 ecmd
->advertising
|= ADVERTISED_TP
;
499 ecmd
->port
= PORT_TP
;
501 case I40E_MEDIA_TYPE_DA
:
502 case I40E_MEDIA_TYPE_CX4
:
503 ecmd
->supported
|= SUPPORTED_FIBRE
;
504 ecmd
->advertising
|= ADVERTISED_FIBRE
;
505 ecmd
->port
= PORT_DA
;
507 case I40E_MEDIA_TYPE_FIBER
:
508 ecmd
->supported
|= SUPPORTED_FIBRE
;
509 ecmd
->port
= PORT_FIBRE
;
511 case I40E_MEDIA_TYPE_UNKNOWN
:
513 ecmd
->port
= PORT_OTHER
;
517 /* Set transceiver */
518 ecmd
->transceiver
= XCVR_EXTERNAL
;
520 /* Set flow control settings */
521 ecmd
->supported
|= SUPPORTED_Pause
;
523 switch (hw
->fc
.requested_mode
) {
525 ecmd
->advertising
|= ADVERTISED_Pause
;
527 case I40E_FC_TX_PAUSE
:
528 ecmd
->advertising
|= ADVERTISED_Asym_Pause
;
530 case I40E_FC_RX_PAUSE
:
531 ecmd
->advertising
|= (ADVERTISED_Pause
|
532 ADVERTISED_Asym_Pause
);
535 ecmd
->advertising
&= ~(ADVERTISED_Pause
|
536 ADVERTISED_Asym_Pause
);
544 * i40e_set_settings - Set Speed and Duplex
545 * @netdev: network interface device structure
546 * @ecmd: ethtool command
548 * Set speed/duplex per media_types advertised/forced
550 static int i40e_set_settings(struct net_device
*netdev
,
551 struct ethtool_cmd
*ecmd
)
553 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
554 struct i40e_aq_get_phy_abilities_resp abilities
;
555 struct i40e_aq_set_phy_config config
;
556 struct i40e_pf
*pf
= np
->vsi
->back
;
557 struct i40e_vsi
*vsi
= np
->vsi
;
558 struct i40e_hw
*hw
= &pf
->hw
;
559 struct ethtool_cmd safe_ecmd
;
560 i40e_status status
= 0;
566 /* Changing port settings is not supported if this isn't the
567 * port's controlling PF
569 if (hw
->partition_id
!= 1) {
570 i40e_partition_setting_complaint(pf
);
574 if (vsi
!= pf
->vsi
[pf
->lan_vsi
])
577 if (hw
->phy
.media_type
!= I40E_MEDIA_TYPE_BASET
&&
578 hw
->phy
.media_type
!= I40E_MEDIA_TYPE_FIBER
&&
579 hw
->phy
.media_type
!= I40E_MEDIA_TYPE_BACKPLANE
&&
580 hw
->phy
.link_info
.link_info
& I40E_AQ_LINK_UP
)
583 /* get our own copy of the bits to check against */
584 memset(&safe_ecmd
, 0, sizeof(struct ethtool_cmd
));
585 i40e_get_settings(netdev
, &safe_ecmd
);
587 /* save autoneg and speed out of ecmd */
588 autoneg
= ecmd
->autoneg
;
589 advertise
= ecmd
->advertising
;
591 /* set autoneg and speed back to what they currently are */
592 ecmd
->autoneg
= safe_ecmd
.autoneg
;
593 ecmd
->advertising
= safe_ecmd
.advertising
;
595 ecmd
->cmd
= safe_ecmd
.cmd
;
596 /* If ecmd and safe_ecmd are not the same now, then they are
597 * trying to set something that we do not support
599 if (memcmp(ecmd
, &safe_ecmd
, sizeof(struct ethtool_cmd
)))
602 while (test_bit(__I40E_CONFIG_BUSY
, &vsi
->state
))
603 usleep_range(1000, 2000);
605 /* Get the current phy config */
606 status
= i40e_aq_get_phy_capabilities(hw
, false, false, &abilities
,
611 /* Copy abilities to config in case autoneg is not
614 memset(&config
, 0, sizeof(struct i40e_aq_set_phy_config
));
615 config
.abilities
= abilities
.abilities
;
618 if (autoneg
== AUTONEG_ENABLE
) {
619 /* If autoneg is not supported, return error */
620 if (!(safe_ecmd
.supported
& SUPPORTED_Autoneg
)) {
621 netdev_info(netdev
, "Autoneg not supported on this phy\n");
624 /* If autoneg was not already enabled */
625 if (!(hw
->phy
.link_info
.an_info
& I40E_AQ_AN_COMPLETED
)) {
626 config
.abilities
= abilities
.abilities
|
627 I40E_AQ_PHY_ENABLE_AN
;
631 /* If autoneg is supported 10GBASE_T is the only phy that
632 * can disable it, so otherwise return error
634 if (safe_ecmd
.supported
& SUPPORTED_Autoneg
&&
635 hw
->phy
.link_info
.phy_type
!= I40E_PHY_TYPE_10GBASE_T
) {
636 netdev_info(netdev
, "Autoneg cannot be disabled on this phy\n");
639 /* If autoneg is currently enabled */
640 if (hw
->phy
.link_info
.an_info
& I40E_AQ_AN_COMPLETED
) {
641 config
.abilities
= abilities
.abilities
&
642 ~I40E_AQ_PHY_ENABLE_AN
;
647 if (advertise
& ~safe_ecmd
.supported
)
650 if (advertise
& ADVERTISED_100baseT_Full
)
651 config
.link_speed
|= I40E_LINK_SPEED_100MB
;
652 if (advertise
& ADVERTISED_1000baseT_Full
||
653 advertise
& ADVERTISED_1000baseKX_Full
)
654 config
.link_speed
|= I40E_LINK_SPEED_1GB
;
655 if (advertise
& ADVERTISED_10000baseT_Full
||
656 advertise
& ADVERTISED_10000baseKX4_Full
||
657 advertise
& ADVERTISED_10000baseKR_Full
)
658 config
.link_speed
|= I40E_LINK_SPEED_10GB
;
659 if (advertise
& ADVERTISED_20000baseKR2_Full
)
660 config
.link_speed
|= I40E_LINK_SPEED_20GB
;
661 if (advertise
& ADVERTISED_40000baseKR4_Full
||
662 advertise
& ADVERTISED_40000baseCR4_Full
||
663 advertise
& ADVERTISED_40000baseSR4_Full
||
664 advertise
& ADVERTISED_40000baseLR4_Full
)
665 config
.link_speed
|= I40E_LINK_SPEED_40GB
;
667 if (change
|| (abilities
.link_speed
!= config
.link_speed
)) {
668 /* copy over the rest of the abilities */
669 config
.phy_type
= abilities
.phy_type
;
670 config
.eee_capability
= abilities
.eee_capability
;
671 config
.eeer
= abilities
.eeer_val
;
672 config
.low_power_ctrl
= abilities
.d3_lpan
;
674 /* save the requested speeds */
675 hw
->phy
.link_info
.requested_speeds
= config
.link_speed
;
676 /* set link and auto negotiation so changes take effect */
677 config
.abilities
|= I40E_AQ_PHY_ENABLE_ATOMIC_LINK
;
678 /* If link is up put link down */
679 if (hw
->phy
.link_info
.link_info
& I40E_AQ_LINK_UP
) {
680 /* Tell the OS link is going down, the link will go
681 * back up when fw says it is ready asynchronously
683 netdev_info(netdev
, "PHY settings change requested, NIC Link is going down.\n");
684 netif_carrier_off(netdev
);
685 netif_tx_stop_all_queues(netdev
);
688 /* make the aq call */
689 status
= i40e_aq_set_phy_config(hw
, &config
, NULL
);
691 netdev_info(netdev
, "Set phy config failed, err %s aq_err %s\n",
692 i40e_stat_str(hw
, status
),
693 i40e_aq_str(hw
, hw
->aq
.asq_last_status
));
697 status
= i40e_aq_get_link_info(hw
, true, NULL
, NULL
);
699 netdev_info(netdev
, "Updating link info failed with err %s aq_err %s\n",
700 i40e_stat_str(hw
, status
),
701 i40e_aq_str(hw
, hw
->aq
.asq_last_status
));
704 netdev_info(netdev
, "Nothing changed, exiting without setting anything.\n");
710 static int i40e_nway_reset(struct net_device
*netdev
)
712 /* restart autonegotiation */
713 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
714 struct i40e_pf
*pf
= np
->vsi
->back
;
715 struct i40e_hw
*hw
= &pf
->hw
;
716 bool link_up
= hw
->phy
.link_info
.link_info
& I40E_AQ_LINK_UP
;
719 ret
= i40e_aq_set_link_restart_an(hw
, link_up
, NULL
);
721 netdev_info(netdev
, "link restart failed, err %s aq_err %s\n",
722 i40e_stat_str(hw
, ret
),
723 i40e_aq_str(hw
, hw
->aq
.asq_last_status
));
731 * i40e_get_pauseparam - Get Flow Control status
732 * Return tx/rx-pause status
734 static void i40e_get_pauseparam(struct net_device
*netdev
,
735 struct ethtool_pauseparam
*pause
)
737 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
738 struct i40e_pf
*pf
= np
->vsi
->back
;
739 struct i40e_hw
*hw
= &pf
->hw
;
740 struct i40e_link_status
*hw_link_info
= &hw
->phy
.link_info
;
741 struct i40e_dcbx_config
*dcbx_cfg
= &hw
->local_dcbx_config
;
744 ((hw_link_info
->an_info
& I40E_AQ_AN_COMPLETED
) ?
745 AUTONEG_ENABLE
: AUTONEG_DISABLE
);
747 /* PFC enabled so report LFC as off */
748 if (dcbx_cfg
->pfc
.pfcenable
) {
754 if (hw
->fc
.current_mode
== I40E_FC_RX_PAUSE
) {
756 } else if (hw
->fc
.current_mode
== I40E_FC_TX_PAUSE
) {
758 } else if (hw
->fc
.current_mode
== I40E_FC_FULL
) {
765 * i40e_set_pauseparam - Set Flow Control parameter
766 * @netdev: network interface device structure
767 * @pause: return tx/rx flow control status
769 static int i40e_set_pauseparam(struct net_device
*netdev
,
770 struct ethtool_pauseparam
*pause
)
772 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
773 struct i40e_pf
*pf
= np
->vsi
->back
;
774 struct i40e_vsi
*vsi
= np
->vsi
;
775 struct i40e_hw
*hw
= &pf
->hw
;
776 struct i40e_link_status
*hw_link_info
= &hw
->phy
.link_info
;
777 struct i40e_dcbx_config
*dcbx_cfg
= &hw
->local_dcbx_config
;
778 bool link_up
= hw_link_info
->link_info
& I40E_AQ_LINK_UP
;
783 /* Changing the port's flow control is not supported if this isn't the
784 * port's controlling PF
786 if (hw
->partition_id
!= 1) {
787 i40e_partition_setting_complaint(pf
);
791 if (vsi
!= pf
->vsi
[pf
->lan_vsi
])
794 if (pause
->autoneg
!= ((hw_link_info
->an_info
& I40E_AQ_AN_COMPLETED
) ?
795 AUTONEG_ENABLE
: AUTONEG_DISABLE
)) {
796 netdev_info(netdev
, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
800 /* If we have link and don't have autoneg */
801 if (!test_bit(__I40E_DOWN
, &pf
->state
) &&
802 !(hw_link_info
->an_info
& I40E_AQ_AN_COMPLETED
)) {
803 /* Send message that it might not necessarily work*/
804 netdev_info(netdev
, "Autoneg did not complete so changing settings may not result in an actual change.\n");
807 if (dcbx_cfg
->pfc
.pfcenable
) {
809 "Priority flow control enabled. Cannot set link flow control.\n");
813 if (pause
->rx_pause
&& pause
->tx_pause
)
814 hw
->fc
.requested_mode
= I40E_FC_FULL
;
815 else if (pause
->rx_pause
&& !pause
->tx_pause
)
816 hw
->fc
.requested_mode
= I40E_FC_RX_PAUSE
;
817 else if (!pause
->rx_pause
&& pause
->tx_pause
)
818 hw
->fc
.requested_mode
= I40E_FC_TX_PAUSE
;
819 else if (!pause
->rx_pause
&& !pause
->tx_pause
)
820 hw
->fc
.requested_mode
= I40E_FC_NONE
;
824 /* Tell the OS link is going down, the link will go back up when fw
825 * says it is ready asynchronously
827 netdev_info(netdev
, "Flow control settings change requested, NIC Link is going down.\n");
828 netif_carrier_off(netdev
);
829 netif_tx_stop_all_queues(netdev
);
831 /* Set the fc mode and only restart an if link is up*/
832 status
= i40e_set_fc(hw
, &aq_failures
, link_up
);
834 if (aq_failures
& I40E_SET_FC_AQ_FAIL_GET
) {
835 netdev_info(netdev
, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
836 i40e_stat_str(hw
, status
),
837 i40e_aq_str(hw
, hw
->aq
.asq_last_status
));
840 if (aq_failures
& I40E_SET_FC_AQ_FAIL_SET
) {
841 netdev_info(netdev
, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
842 i40e_stat_str(hw
, status
),
843 i40e_aq_str(hw
, hw
->aq
.asq_last_status
));
846 if (aq_failures
& I40E_SET_FC_AQ_FAIL_UPDATE
) {
847 netdev_info(netdev
, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
848 i40e_stat_str(hw
, status
),
849 i40e_aq_str(hw
, hw
->aq
.asq_last_status
));
853 if (!test_bit(__I40E_DOWN
, &pf
->state
)) {
854 /* Give it a little more time to try to come back */
856 if (!test_bit(__I40E_DOWN
, &pf
->state
))
857 return i40e_nway_reset(netdev
);
863 static u32
i40e_get_msglevel(struct net_device
*netdev
)
865 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
866 struct i40e_pf
*pf
= np
->vsi
->back
;
868 return pf
->msg_enable
;
871 static void i40e_set_msglevel(struct net_device
*netdev
, u32 data
)
873 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
874 struct i40e_pf
*pf
= np
->vsi
->back
;
876 if (I40E_DEBUG_USER
& data
)
877 pf
->hw
.debug_mask
= data
;
878 pf
->msg_enable
= data
;
881 static int i40e_get_regs_len(struct net_device
*netdev
)
886 for (i
= 0; i40e_reg_list
[i
].offset
!= 0; i
++)
887 reg_count
+= i40e_reg_list
[i
].elements
;
889 return reg_count
* sizeof(u32
);
892 static void i40e_get_regs(struct net_device
*netdev
, struct ethtool_regs
*regs
,
895 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
896 struct i40e_pf
*pf
= np
->vsi
->back
;
897 struct i40e_hw
*hw
= &pf
->hw
;
902 /* Tell ethtool which driver-version-specific regs output we have.
904 * At some point, if we have ethtool doing special formatting of
905 * this data, it will rely on this version number to know how to
906 * interpret things. Hence, this needs to be updated if/when the
907 * diags register table is changed.
911 /* loop through the diags reg table for what to print */
913 for (i
= 0; i40e_reg_list
[i
].offset
!= 0; i
++) {
914 for (j
= 0; j
< i40e_reg_list
[i
].elements
; j
++) {
915 reg
= i40e_reg_list
[i
].offset
916 + (j
* i40e_reg_list
[i
].stride
);
917 reg_buf
[ri
++] = rd32(hw
, reg
);
923 static int i40e_get_eeprom(struct net_device
*netdev
,
924 struct ethtool_eeprom
*eeprom
, u8
*bytes
)
926 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
927 struct i40e_hw
*hw
= &np
->vsi
->back
->hw
;
928 struct i40e_pf
*pf
= np
->vsi
->back
;
929 int ret_val
= 0, len
, offset
;
935 #define I40E_NVM_SECTOR_SIZE 4096
936 if (eeprom
->len
== 0)
939 /* check for NVMUpdate access method */
940 magic
= hw
->vendor_id
| (hw
->device_id
<< 16);
941 if (eeprom
->magic
&& eeprom
->magic
!= magic
) {
942 struct i40e_nvm_access
*cmd
;
945 /* make sure it is the right magic for NVMUpdate */
946 if ((eeprom
->magic
>> 16) != hw
->device_id
)
949 cmd
= (struct i40e_nvm_access
*)eeprom
;
950 ret_val
= i40e_nvmupd_command(hw
, cmd
, bytes
, &errno
);
952 ((hw
->aq
.asq_last_status
!= I40E_AQ_RC_EACCES
) ||
953 (hw
->debug_mask
& I40E_DEBUG_NVM
)))
954 dev_info(&pf
->pdev
->dev
,
955 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
956 ret_val
, hw
->aq
.asq_last_status
, errno
,
957 (u8
)(cmd
->config
& I40E_NVM_MOD_PNT_MASK
),
958 cmd
->offset
, cmd
->data_size
);
963 /* normal ethtool get_eeprom support */
964 eeprom
->magic
= hw
->vendor_id
| (hw
->device_id
<< 16);
966 eeprom_buff
= kzalloc(eeprom
->len
, GFP_KERNEL
);
970 ret_val
= i40e_acquire_nvm(hw
, I40E_RESOURCE_READ
);
972 dev_info(&pf
->pdev
->dev
,
973 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
974 ret_val
, hw
->aq
.asq_last_status
);
978 sectors
= eeprom
->len
/ I40E_NVM_SECTOR_SIZE
;
979 sectors
+= (eeprom
->len
% I40E_NVM_SECTOR_SIZE
) ? 1 : 0;
980 len
= I40E_NVM_SECTOR_SIZE
;
982 for (i
= 0; i
< sectors
; i
++) {
983 if (i
== (sectors
- 1)) {
984 len
= eeprom
->len
- (I40E_NVM_SECTOR_SIZE
* i
);
987 offset
= eeprom
->offset
+ (I40E_NVM_SECTOR_SIZE
* i
),
988 ret_val
= i40e_aq_read_nvm(hw
, 0x0, offset
, len
,
989 (u8
*)eeprom_buff
+ (I40E_NVM_SECTOR_SIZE
* i
),
991 if (ret_val
&& hw
->aq
.asq_last_status
== I40E_AQ_RC_EPERM
) {
992 dev_info(&pf
->pdev
->dev
,
993 "read NVM failed, invalid offset 0x%x\n",
996 } else if (ret_val
&&
997 hw
->aq
.asq_last_status
== I40E_AQ_RC_EACCES
) {
998 dev_info(&pf
->pdev
->dev
,
999 "read NVM failed, access, offset 0x%x\n",
1002 } else if (ret_val
) {
1003 dev_info(&pf
->pdev
->dev
,
1004 "read NVM failed offset %d err=%d status=0x%x\n",
1005 offset
, ret_val
, hw
->aq
.asq_last_status
);
1010 i40e_release_nvm(hw
);
1011 memcpy(bytes
, (u8
*)eeprom_buff
, eeprom
->len
);
1017 static int i40e_get_eeprom_len(struct net_device
*netdev
)
1019 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1020 struct i40e_hw
*hw
= &np
->vsi
->back
->hw
;
1023 val
= (rd32(hw
, I40E_GLPCI_LBARCTRL
)
1024 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK
)
1025 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT
;
1026 /* register returns value in power of 2, 64Kbyte chunks. */
1027 val
= (64 * 1024) * BIT(val
);
1031 static int i40e_set_eeprom(struct net_device
*netdev
,
1032 struct ethtool_eeprom
*eeprom
, u8
*bytes
)
1034 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1035 struct i40e_hw
*hw
= &np
->vsi
->back
->hw
;
1036 struct i40e_pf
*pf
= np
->vsi
->back
;
1037 struct i40e_nvm_access
*cmd
;
1042 /* normal ethtool set_eeprom is not supported */
1043 magic
= hw
->vendor_id
| (hw
->device_id
<< 16);
1044 if (eeprom
->magic
== magic
)
1047 /* check for NVMUpdate access method */
1048 if (!eeprom
->magic
|| (eeprom
->magic
>> 16) != hw
->device_id
)
1051 if (test_bit(__I40E_RESET_RECOVERY_PENDING
, &pf
->state
) ||
1052 test_bit(__I40E_RESET_INTR_RECEIVED
, &pf
->state
))
1055 cmd
= (struct i40e_nvm_access
*)eeprom
;
1056 ret_val
= i40e_nvmupd_command(hw
, cmd
, bytes
, &errno
);
1058 ((hw
->aq
.asq_last_status
!= I40E_AQ_RC_EPERM
&&
1059 hw
->aq
.asq_last_status
!= I40E_AQ_RC_EBUSY
) ||
1060 (hw
->debug_mask
& I40E_DEBUG_NVM
)))
1061 dev_info(&pf
->pdev
->dev
,
1062 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1063 ret_val
, hw
->aq
.asq_last_status
, errno
,
1064 (u8
)(cmd
->config
& I40E_NVM_MOD_PNT_MASK
),
1065 cmd
->offset
, cmd
->data_size
);
1070 static void i40e_get_drvinfo(struct net_device
*netdev
,
1071 struct ethtool_drvinfo
*drvinfo
)
1073 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1074 struct i40e_vsi
*vsi
= np
->vsi
;
1075 struct i40e_pf
*pf
= vsi
->back
;
1077 strlcpy(drvinfo
->driver
, i40e_driver_name
, sizeof(drvinfo
->driver
));
1078 strlcpy(drvinfo
->version
, i40e_driver_version_str
,
1079 sizeof(drvinfo
->version
));
1080 strlcpy(drvinfo
->fw_version
, i40e_fw_version_str(&pf
->hw
),
1081 sizeof(drvinfo
->fw_version
));
1082 strlcpy(drvinfo
->bus_info
, pci_name(pf
->pdev
),
1083 sizeof(drvinfo
->bus_info
));
1084 drvinfo
->n_priv_flags
= I40E_PRIV_FLAGS_STR_LEN
;
1087 static void i40e_get_ringparam(struct net_device
*netdev
,
1088 struct ethtool_ringparam
*ring
)
1090 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1091 struct i40e_pf
*pf
= np
->vsi
->back
;
1092 struct i40e_vsi
*vsi
= pf
->vsi
[pf
->lan_vsi
];
1094 ring
->rx_max_pending
= I40E_MAX_NUM_DESCRIPTORS
;
1095 ring
->tx_max_pending
= I40E_MAX_NUM_DESCRIPTORS
;
1096 ring
->rx_mini_max_pending
= 0;
1097 ring
->rx_jumbo_max_pending
= 0;
1098 ring
->rx_pending
= vsi
->rx_rings
[0]->count
;
1099 ring
->tx_pending
= vsi
->tx_rings
[0]->count
;
1100 ring
->rx_mini_pending
= 0;
1101 ring
->rx_jumbo_pending
= 0;
1104 static int i40e_set_ringparam(struct net_device
*netdev
,
1105 struct ethtool_ringparam
*ring
)
1107 struct i40e_ring
*tx_rings
= NULL
, *rx_rings
= NULL
;
1108 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1109 struct i40e_vsi
*vsi
= np
->vsi
;
1110 struct i40e_pf
*pf
= vsi
->back
;
1111 u32 new_rx_count
, new_tx_count
;
1114 if ((ring
->rx_mini_pending
) || (ring
->rx_jumbo_pending
))
1117 if (ring
->tx_pending
> I40E_MAX_NUM_DESCRIPTORS
||
1118 ring
->tx_pending
< I40E_MIN_NUM_DESCRIPTORS
||
1119 ring
->rx_pending
> I40E_MAX_NUM_DESCRIPTORS
||
1120 ring
->rx_pending
< I40E_MIN_NUM_DESCRIPTORS
) {
1122 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1123 ring
->tx_pending
, ring
->rx_pending
,
1124 I40E_MIN_NUM_DESCRIPTORS
, I40E_MAX_NUM_DESCRIPTORS
);
1128 new_tx_count
= ALIGN(ring
->tx_pending
, I40E_REQ_DESCRIPTOR_MULTIPLE
);
1129 new_rx_count
= ALIGN(ring
->rx_pending
, I40E_REQ_DESCRIPTOR_MULTIPLE
);
1131 /* if nothing to do return success */
1132 if ((new_tx_count
== vsi
->tx_rings
[0]->count
) &&
1133 (new_rx_count
== vsi
->rx_rings
[0]->count
))
1136 while (test_and_set_bit(__I40E_CONFIG_BUSY
, &pf
->state
))
1137 usleep_range(1000, 2000);
1139 if (!netif_running(vsi
->netdev
)) {
1140 /* simple case - set for the next time the netdev is started */
1141 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++) {
1142 vsi
->tx_rings
[i
]->count
= new_tx_count
;
1143 vsi
->rx_rings
[i
]->count
= new_rx_count
;
1148 /* We can't just free everything and then setup again,
1149 * because the ISRs in MSI-X mode get passed pointers
1150 * to the Tx and Rx ring structs.
1153 /* alloc updated Tx resources */
1154 if (new_tx_count
!= vsi
->tx_rings
[0]->count
) {
1156 "Changing Tx descriptor count from %d to %d.\n",
1157 vsi
->tx_rings
[0]->count
, new_tx_count
);
1158 tx_rings
= kcalloc(vsi
->alloc_queue_pairs
,
1159 sizeof(struct i40e_ring
), GFP_KERNEL
);
1165 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++) {
1166 /* clone ring and setup updated count */
1167 tx_rings
[i
] = *vsi
->tx_rings
[i
];
1168 tx_rings
[i
].count
= new_tx_count
;
1169 err
= i40e_setup_tx_descriptors(&tx_rings
[i
]);
1173 i40e_free_tx_resources(&tx_rings
[i
]);
1183 /* alloc updated Rx resources */
1184 if (new_rx_count
!= vsi
->rx_rings
[0]->count
) {
1186 "Changing Rx descriptor count from %d to %d\n",
1187 vsi
->rx_rings
[0]->count
, new_rx_count
);
1188 rx_rings
= kcalloc(vsi
->alloc_queue_pairs
,
1189 sizeof(struct i40e_ring
), GFP_KERNEL
);
1195 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++) {
1196 /* clone ring and setup updated count */
1197 rx_rings
[i
] = *vsi
->rx_rings
[i
];
1198 rx_rings
[i
].count
= new_rx_count
;
1199 err
= i40e_setup_rx_descriptors(&rx_rings
[i
]);
1203 i40e_free_rx_resources(&rx_rings
[i
]);
1213 /* Bring interface down, copy in the new ring info,
1214 * then restore the interface
1219 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++) {
1220 i40e_free_tx_resources(vsi
->tx_rings
[i
]);
1221 *vsi
->tx_rings
[i
] = tx_rings
[i
];
1228 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++) {
1229 i40e_free_rx_resources(vsi
->rx_rings
[i
]);
1230 *vsi
->rx_rings
[i
] = rx_rings
[i
];
1239 /* error cleanup if the Rx allocations failed after getting Tx */
1241 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++)
1242 i40e_free_tx_resources(&tx_rings
[i
]);
1248 clear_bit(__I40E_CONFIG_BUSY
, &pf
->state
);
1253 static int i40e_get_sset_count(struct net_device
*netdev
, int sset
)
1255 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1256 struct i40e_vsi
*vsi
= np
->vsi
;
1257 struct i40e_pf
*pf
= vsi
->back
;
1261 return I40E_TEST_LEN
;
1263 if (vsi
== pf
->vsi
[pf
->lan_vsi
] && pf
->hw
.partition_id
== 1) {
1264 int len
= I40E_PF_STATS_LEN(netdev
);
1266 if (pf
->lan_veb
!= I40E_NO_VEB
)
1267 len
+= I40E_VEB_STATS_TOTAL
;
1270 return I40E_VSI_STATS_LEN(netdev
);
1272 case ETH_SS_PRIV_FLAGS
:
1273 return I40E_PRIV_FLAGS_STR_LEN
;
1279 static void i40e_get_ethtool_stats(struct net_device
*netdev
,
1280 struct ethtool_stats
*stats
, u64
*data
)
1282 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1283 struct i40e_ring
*tx_ring
, *rx_ring
;
1284 struct i40e_vsi
*vsi
= np
->vsi
;
1285 struct i40e_pf
*pf
= vsi
->back
;
1289 struct rtnl_link_stats64
*net_stats
= i40e_get_vsi_stats_struct(vsi
);
1292 i40e_update_stats(vsi
);
1294 for (j
= 0; j
< I40E_NETDEV_STATS_LEN
; j
++) {
1295 p
= (char *)net_stats
+ i40e_gstrings_net_stats
[j
].stat_offset
;
1296 data
[i
++] = (i40e_gstrings_net_stats
[j
].sizeof_stat
==
1297 sizeof(u64
)) ? *(u64
*)p
: *(u32
*)p
;
1299 for (j
= 0; j
< I40E_MISC_STATS_LEN
; j
++) {
1300 p
= (char *)vsi
+ i40e_gstrings_misc_stats
[j
].stat_offset
;
1301 data
[i
++] = (i40e_gstrings_misc_stats
[j
].sizeof_stat
==
1302 sizeof(u64
)) ? *(u64
*)p
: *(u32
*)p
;
1305 for (j
= 0; j
< I40E_FCOE_STATS_LEN
; j
++) {
1306 p
= (char *)vsi
+ i40e_gstrings_fcoe_stats
[j
].stat_offset
;
1307 data
[i
++] = (i40e_gstrings_fcoe_stats
[j
].sizeof_stat
==
1308 sizeof(u64
)) ? *(u64
*)p
: *(u32
*)p
;
1312 for (j
= 0; j
< vsi
->num_queue_pairs
; j
++) {
1313 tx_ring
= ACCESS_ONCE(vsi
->tx_rings
[j
]);
1318 /* process Tx ring statistics */
1320 start
= u64_stats_fetch_begin_irq(&tx_ring
->syncp
);
1321 data
[i
] = tx_ring
->stats
.packets
;
1322 data
[i
+ 1] = tx_ring
->stats
.bytes
;
1323 } while (u64_stats_fetch_retry_irq(&tx_ring
->syncp
, start
));
1326 /* Rx ring is the 2nd half of the queue pair */
1327 rx_ring
= &tx_ring
[1];
1329 start
= u64_stats_fetch_begin_irq(&rx_ring
->syncp
);
1330 data
[i
] = rx_ring
->stats
.packets
;
1331 data
[i
+ 1] = rx_ring
->stats
.bytes
;
1332 } while (u64_stats_fetch_retry_irq(&rx_ring
->syncp
, start
));
1336 if (vsi
!= pf
->vsi
[pf
->lan_vsi
] || pf
->hw
.partition_id
!= 1)
1339 if (pf
->lan_veb
!= I40E_NO_VEB
) {
1340 struct i40e_veb
*veb
= pf
->veb
[pf
->lan_veb
];
1341 for (j
= 0; j
< I40E_VEB_STATS_LEN
; j
++) {
1343 p
+= i40e_gstrings_veb_stats
[j
].stat_offset
;
1344 data
[i
++] = (i40e_gstrings_veb_stats
[j
].sizeof_stat
==
1345 sizeof(u64
)) ? *(u64
*)p
: *(u32
*)p
;
1348 for (j
= 0; j
< I40E_GLOBAL_STATS_LEN
; j
++) {
1349 p
= (char *)pf
+ i40e_gstrings_stats
[j
].stat_offset
;
1350 data
[i
++] = (i40e_gstrings_stats
[j
].sizeof_stat
==
1351 sizeof(u64
)) ? *(u64
*)p
: *(u32
*)p
;
1353 for (j
= 0; j
< I40E_MAX_USER_PRIORITY
; j
++) {
1354 data
[i
++] = pf
->stats
.priority_xon_tx
[j
];
1355 data
[i
++] = pf
->stats
.priority_xoff_tx
[j
];
1357 for (j
= 0; j
< I40E_MAX_USER_PRIORITY
; j
++) {
1358 data
[i
++] = pf
->stats
.priority_xon_rx
[j
];
1359 data
[i
++] = pf
->stats
.priority_xoff_rx
[j
];
1361 for (j
= 0; j
< I40E_MAX_USER_PRIORITY
; j
++)
1362 data
[i
++] = pf
->stats
.priority_xon_2_xoff
[j
];
1365 static void i40e_get_strings(struct net_device
*netdev
, u32 stringset
,
1368 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1369 struct i40e_vsi
*vsi
= np
->vsi
;
1370 struct i40e_pf
*pf
= vsi
->back
;
1371 char *p
= (char *)data
;
1374 switch (stringset
) {
1376 for (i
= 0; i
< I40E_TEST_LEN
; i
++) {
1377 memcpy(data
, i40e_gstrings_test
[i
], ETH_GSTRING_LEN
);
1378 data
+= ETH_GSTRING_LEN
;
1382 for (i
= 0; i
< I40E_NETDEV_STATS_LEN
; i
++) {
1383 snprintf(p
, ETH_GSTRING_LEN
, "%s",
1384 i40e_gstrings_net_stats
[i
].stat_string
);
1385 p
+= ETH_GSTRING_LEN
;
1387 for (i
= 0; i
< I40E_MISC_STATS_LEN
; i
++) {
1388 snprintf(p
, ETH_GSTRING_LEN
, "%s",
1389 i40e_gstrings_misc_stats
[i
].stat_string
);
1390 p
+= ETH_GSTRING_LEN
;
1393 for (i
= 0; i
< I40E_FCOE_STATS_LEN
; i
++) {
1394 snprintf(p
, ETH_GSTRING_LEN
, "%s",
1395 i40e_gstrings_fcoe_stats
[i
].stat_string
);
1396 p
+= ETH_GSTRING_LEN
;
1399 for (i
= 0; i
< vsi
->num_queue_pairs
; i
++) {
1400 snprintf(p
, ETH_GSTRING_LEN
, "tx-%u.tx_packets", i
);
1401 p
+= ETH_GSTRING_LEN
;
1402 snprintf(p
, ETH_GSTRING_LEN
, "tx-%u.tx_bytes", i
);
1403 p
+= ETH_GSTRING_LEN
;
1404 snprintf(p
, ETH_GSTRING_LEN
, "rx-%u.rx_packets", i
);
1405 p
+= ETH_GSTRING_LEN
;
1406 snprintf(p
, ETH_GSTRING_LEN
, "rx-%u.rx_bytes", i
);
1407 p
+= ETH_GSTRING_LEN
;
1409 if (vsi
!= pf
->vsi
[pf
->lan_vsi
] || pf
->hw
.partition_id
!= 1)
1412 if (pf
->lan_veb
!= I40E_NO_VEB
) {
1413 for (i
= 0; i
< I40E_VEB_STATS_LEN
; i
++) {
1414 snprintf(p
, ETH_GSTRING_LEN
, "veb.%s",
1415 i40e_gstrings_veb_stats
[i
].stat_string
);
1416 p
+= ETH_GSTRING_LEN
;
1418 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++) {
1419 snprintf(p
, ETH_GSTRING_LEN
,
1420 "veb.tc_%u_tx_packets", i
);
1421 p
+= ETH_GSTRING_LEN
;
1422 snprintf(p
, ETH_GSTRING_LEN
,
1423 "veb.tc_%u_tx_bytes", i
);
1424 p
+= ETH_GSTRING_LEN
;
1425 snprintf(p
, ETH_GSTRING_LEN
,
1426 "veb.tc_%u_rx_packets", i
);
1427 p
+= ETH_GSTRING_LEN
;
1428 snprintf(p
, ETH_GSTRING_LEN
,
1429 "veb.tc_%u_rx_bytes", i
);
1430 p
+= ETH_GSTRING_LEN
;
1433 for (i
= 0; i
< I40E_GLOBAL_STATS_LEN
; i
++) {
1434 snprintf(p
, ETH_GSTRING_LEN
, "port.%s",
1435 i40e_gstrings_stats
[i
].stat_string
);
1436 p
+= ETH_GSTRING_LEN
;
1438 for (i
= 0; i
< I40E_MAX_USER_PRIORITY
; i
++) {
1439 snprintf(p
, ETH_GSTRING_LEN
,
1440 "port.tx_priority_%u_xon", i
);
1441 p
+= ETH_GSTRING_LEN
;
1442 snprintf(p
, ETH_GSTRING_LEN
,
1443 "port.tx_priority_%u_xoff", i
);
1444 p
+= ETH_GSTRING_LEN
;
1446 for (i
= 0; i
< I40E_MAX_USER_PRIORITY
; i
++) {
1447 snprintf(p
, ETH_GSTRING_LEN
,
1448 "port.rx_priority_%u_xon", i
);
1449 p
+= ETH_GSTRING_LEN
;
1450 snprintf(p
, ETH_GSTRING_LEN
,
1451 "port.rx_priority_%u_xoff", i
);
1452 p
+= ETH_GSTRING_LEN
;
1454 for (i
= 0; i
< I40E_MAX_USER_PRIORITY
; i
++) {
1455 snprintf(p
, ETH_GSTRING_LEN
,
1456 "port.rx_priority_%u_xon_2_xoff", i
);
1457 p
+= ETH_GSTRING_LEN
;
1459 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1461 case ETH_SS_PRIV_FLAGS
:
1462 for (i
= 0; i
< I40E_PRIV_FLAGS_STR_LEN
; i
++) {
1463 memcpy(data
, i40e_priv_flags_strings
[i
],
1465 data
+= ETH_GSTRING_LEN
;
1473 static int i40e_get_ts_info(struct net_device
*dev
,
1474 struct ethtool_ts_info
*info
)
1476 struct i40e_pf
*pf
= i40e_netdev_to_pf(dev
);
1478 /* only report HW timestamping if PTP is enabled */
1479 if (!(pf
->flags
& I40E_FLAG_PTP
))
1480 return ethtool_op_get_ts_info(dev
, info
);
1482 info
->so_timestamping
= SOF_TIMESTAMPING_TX_SOFTWARE
|
1483 SOF_TIMESTAMPING_RX_SOFTWARE
|
1484 SOF_TIMESTAMPING_SOFTWARE
|
1485 SOF_TIMESTAMPING_TX_HARDWARE
|
1486 SOF_TIMESTAMPING_RX_HARDWARE
|
1487 SOF_TIMESTAMPING_RAW_HARDWARE
;
1490 info
->phc_index
= ptp_clock_index(pf
->ptp_clock
);
1492 info
->phc_index
= -1;
1494 info
->tx_types
= BIT(HWTSTAMP_TX_OFF
) | BIT(HWTSTAMP_TX_ON
);
1496 info
->rx_filters
= BIT(HWTSTAMP_FILTER_NONE
) |
1497 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT
) |
1498 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT
);
1503 static int i40e_link_test(struct net_device
*netdev
, u64
*data
)
1505 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1506 struct i40e_pf
*pf
= np
->vsi
->back
;
1508 netif_info(pf
, hw
, netdev
, "link test\n");
1509 if (i40e_get_link_status(&pf
->hw
))
1517 static int i40e_reg_test(struct net_device
*netdev
, u64
*data
)
1519 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1520 struct i40e_pf
*pf
= np
->vsi
->back
;
1522 netif_info(pf
, hw
, netdev
, "register test\n");
1523 *data
= i40e_diag_reg_test(&pf
->hw
);
1528 static int i40e_eeprom_test(struct net_device
*netdev
, u64
*data
)
1530 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1531 struct i40e_pf
*pf
= np
->vsi
->back
;
1533 netif_info(pf
, hw
, netdev
, "eeprom test\n");
1534 *data
= i40e_diag_eeprom_test(&pf
->hw
);
1536 /* forcebly clear the NVM Update state machine */
1537 pf
->hw
.nvmupd_state
= I40E_NVMUPD_STATE_INIT
;
1542 static int i40e_intr_test(struct net_device
*netdev
, u64
*data
)
1544 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1545 struct i40e_pf
*pf
= np
->vsi
->back
;
1546 u16 swc_old
= pf
->sw_int_count
;
1548 netif_info(pf
, hw
, netdev
, "interrupt test\n");
1549 wr32(&pf
->hw
, I40E_PFINT_DYN_CTL0
,
1550 (I40E_PFINT_DYN_CTL0_INTENA_MASK
|
1551 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK
|
1552 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK
|
1553 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK
|
1554 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK
));
1555 usleep_range(1000, 2000);
1556 *data
= (swc_old
== pf
->sw_int_count
);
1561 static int i40e_loopback_test(struct net_device
*netdev
, u64
*data
)
1563 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1564 struct i40e_pf
*pf
= np
->vsi
->back
;
1566 netif_info(pf
, hw
, netdev
, "loopback test not implemented\n");
1572 static inline bool i40e_active_vfs(struct i40e_pf
*pf
)
1574 struct i40e_vf
*vfs
= pf
->vf
;
1577 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++)
1578 if (vfs
[i
].vf_states
& I40E_VF_STAT_ACTIVE
)
1583 static inline bool i40e_active_vmdqs(struct i40e_pf
*pf
)
1585 struct i40e_vsi
**vsi
= pf
->vsi
;
1588 for (i
= 0; i
< pf
->num_alloc_vsi
; i
++) {
1591 if (vsi
[i
]->type
== I40E_VSI_VMDQ2
)
1598 static void i40e_diag_test(struct net_device
*netdev
,
1599 struct ethtool_test
*eth_test
, u64
*data
)
1601 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1602 bool if_running
= netif_running(netdev
);
1603 struct i40e_pf
*pf
= np
->vsi
->back
;
1605 if (eth_test
->flags
== ETH_TEST_FL_OFFLINE
) {
1607 netif_info(pf
, drv
, netdev
, "offline testing starting\n");
1609 set_bit(__I40E_TESTING
, &pf
->state
);
1611 if (i40e_active_vfs(pf
) || i40e_active_vmdqs(pf
)) {
1612 dev_warn(&pf
->pdev
->dev
,
1613 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1614 data
[I40E_ETH_TEST_REG
] = 1;
1615 data
[I40E_ETH_TEST_EEPROM
] = 1;
1616 data
[I40E_ETH_TEST_INTR
] = 1;
1617 data
[I40E_ETH_TEST_LOOPBACK
] = 1;
1618 data
[I40E_ETH_TEST_LINK
] = 1;
1619 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1620 clear_bit(__I40E_TESTING
, &pf
->state
);
1624 /* If the device is online then take it offline */
1626 /* indicate we're in test mode */
1629 /* This reset does not affect link - if it is
1630 * changed to a type of reset that does affect
1631 * link then the following link test would have
1632 * to be moved to before the reset
1634 i40e_do_reset(pf
, BIT(__I40E_PF_RESET_REQUESTED
));
1636 if (i40e_link_test(netdev
, &data
[I40E_ETH_TEST_LINK
]))
1637 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1639 if (i40e_eeprom_test(netdev
, &data
[I40E_ETH_TEST_EEPROM
]))
1640 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1642 if (i40e_intr_test(netdev
, &data
[I40E_ETH_TEST_INTR
]))
1643 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1645 if (i40e_loopback_test(netdev
, &data
[I40E_ETH_TEST_LOOPBACK
]))
1646 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1648 /* run reg test last, a reset is required after it */
1649 if (i40e_reg_test(netdev
, &data
[I40E_ETH_TEST_REG
]))
1650 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1652 clear_bit(__I40E_TESTING
, &pf
->state
);
1653 i40e_do_reset(pf
, BIT(__I40E_PF_RESET_REQUESTED
));
1659 netif_info(pf
, drv
, netdev
, "online testing starting\n");
1661 if (i40e_link_test(netdev
, &data
[I40E_ETH_TEST_LINK
]))
1662 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1664 /* Offline only tests, not run in online; pass by default */
1665 data
[I40E_ETH_TEST_REG
] = 0;
1666 data
[I40E_ETH_TEST_EEPROM
] = 0;
1667 data
[I40E_ETH_TEST_INTR
] = 0;
1668 data
[I40E_ETH_TEST_LOOPBACK
] = 0;
1673 netif_info(pf
, drv
, netdev
, "testing finished\n");
1676 static void i40e_get_wol(struct net_device
*netdev
,
1677 struct ethtool_wolinfo
*wol
)
1679 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1680 struct i40e_pf
*pf
= np
->vsi
->back
;
1681 struct i40e_hw
*hw
= &pf
->hw
;
1684 /* NVM bit on means WoL disabled for the port */
1685 i40e_read_nvm_word(hw
, I40E_SR_NVM_WAKE_ON_LAN
, &wol_nvm_bits
);
1686 if ((BIT(hw
->port
) & wol_nvm_bits
) || (hw
->partition_id
!= 1)) {
1690 wol
->supported
= WAKE_MAGIC
;
1691 wol
->wolopts
= (pf
->wol_en
? WAKE_MAGIC
: 0);
1696 * i40e_set_wol - set the WakeOnLAN configuration
1697 * @netdev: the netdev in question
1698 * @wol: the ethtool WoL setting data
1700 static int i40e_set_wol(struct net_device
*netdev
, struct ethtool_wolinfo
*wol
)
1702 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1703 struct i40e_pf
*pf
= np
->vsi
->back
;
1704 struct i40e_vsi
*vsi
= np
->vsi
;
1705 struct i40e_hw
*hw
= &pf
->hw
;
1708 /* WoL not supported if this isn't the controlling PF on the port */
1709 if (hw
->partition_id
!= 1) {
1710 i40e_partition_setting_complaint(pf
);
1714 if (vsi
!= pf
->vsi
[pf
->lan_vsi
])
1717 /* NVM bit on means WoL disabled for the port */
1718 i40e_read_nvm_word(hw
, I40E_SR_NVM_WAKE_ON_LAN
, &wol_nvm_bits
);
1719 if (BIT(hw
->port
) & wol_nvm_bits
)
1722 /* only magic packet is supported */
1723 if (wol
->wolopts
&& (wol
->wolopts
!= WAKE_MAGIC
))
1726 /* is this a new value? */
1727 if (pf
->wol_en
!= !!wol
->wolopts
) {
1728 pf
->wol_en
= !!wol
->wolopts
;
1729 device_set_wakeup_enable(&pf
->pdev
->dev
, pf
->wol_en
);
1735 static int i40e_set_phys_id(struct net_device
*netdev
,
1736 enum ethtool_phys_id_state state
)
1738 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1739 struct i40e_pf
*pf
= np
->vsi
->back
;
1740 struct i40e_hw
*hw
= &pf
->hw
;
1744 case ETHTOOL_ID_ACTIVE
:
1745 pf
->led_status
= i40e_led_get(hw
);
1748 i40e_led_set(hw
, 0xF, false);
1750 case ETHTOOL_ID_OFF
:
1751 i40e_led_set(hw
, 0x0, false);
1753 case ETHTOOL_ID_INACTIVE
:
1754 i40e_led_set(hw
, pf
->led_status
, false);
1763 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1764 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1765 * 125us (8000 interrupts per second) == ITR(62)
1768 static int i40e_get_coalesce(struct net_device
*netdev
,
1769 struct ethtool_coalesce
*ec
)
1771 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1772 struct i40e_vsi
*vsi
= np
->vsi
;
1774 ec
->tx_max_coalesced_frames_irq
= vsi
->work_limit
;
1775 ec
->rx_max_coalesced_frames_irq
= vsi
->work_limit
;
1777 if (ITR_IS_DYNAMIC(vsi
->rx_itr_setting
))
1778 ec
->use_adaptive_rx_coalesce
= 1;
1780 if (ITR_IS_DYNAMIC(vsi
->tx_itr_setting
))
1781 ec
->use_adaptive_tx_coalesce
= 1;
1783 ec
->rx_coalesce_usecs
= vsi
->rx_itr_setting
& ~I40E_ITR_DYNAMIC
;
1784 ec
->tx_coalesce_usecs
= vsi
->tx_itr_setting
& ~I40E_ITR_DYNAMIC
;
1789 static int i40e_set_coalesce(struct net_device
*netdev
,
1790 struct ethtool_coalesce
*ec
)
1792 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
1793 struct i40e_q_vector
*q_vector
;
1794 struct i40e_vsi
*vsi
= np
->vsi
;
1795 struct i40e_pf
*pf
= vsi
->back
;
1796 struct i40e_hw
*hw
= &pf
->hw
;
1800 if (ec
->tx_max_coalesced_frames_irq
|| ec
->rx_max_coalesced_frames_irq
)
1801 vsi
->work_limit
= ec
->tx_max_coalesced_frames_irq
;
1803 vector
= vsi
->base_vector
;
1804 if ((ec
->rx_coalesce_usecs
>= (I40E_MIN_ITR
<< 1)) &&
1805 (ec
->rx_coalesce_usecs
<= (I40E_MAX_ITR
<< 1))) {
1806 vsi
->rx_itr_setting
= ec
->rx_coalesce_usecs
;
1807 } else if (ec
->rx_coalesce_usecs
== 0) {
1808 vsi
->rx_itr_setting
= ec
->rx_coalesce_usecs
;
1809 if (ec
->use_adaptive_rx_coalesce
)
1810 netif_info(pf
, drv
, netdev
, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1812 netif_info(pf
, drv
, netdev
, "Invalid value, rx-usecs range is 0-8160\n");
1816 if ((ec
->tx_coalesce_usecs
>= (I40E_MIN_ITR
<< 1)) &&
1817 (ec
->tx_coalesce_usecs
<= (I40E_MAX_ITR
<< 1))) {
1818 vsi
->tx_itr_setting
= ec
->tx_coalesce_usecs
;
1819 } else if (ec
->tx_coalesce_usecs
== 0) {
1820 vsi
->tx_itr_setting
= ec
->tx_coalesce_usecs
;
1821 if (ec
->use_adaptive_tx_coalesce
)
1822 netif_info(pf
, drv
, netdev
, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1824 netif_info(pf
, drv
, netdev
,
1825 "Invalid value, tx-usecs range is 0-8160\n");
1829 if (ec
->use_adaptive_rx_coalesce
)
1830 vsi
->rx_itr_setting
|= I40E_ITR_DYNAMIC
;
1832 vsi
->rx_itr_setting
&= ~I40E_ITR_DYNAMIC
;
1834 if (ec
->use_adaptive_tx_coalesce
)
1835 vsi
->tx_itr_setting
|= I40E_ITR_DYNAMIC
;
1837 vsi
->tx_itr_setting
&= ~I40E_ITR_DYNAMIC
;
1839 for (i
= 0; i
< vsi
->num_q_vectors
; i
++, vector
++) {
1840 q_vector
= vsi
->q_vectors
[i
];
1841 q_vector
->rx
.itr
= ITR_TO_REG(vsi
->rx_itr_setting
);
1842 wr32(hw
, I40E_PFINT_ITRN(0, vector
- 1), q_vector
->rx
.itr
);
1843 q_vector
->tx
.itr
= ITR_TO_REG(vsi
->tx_itr_setting
);
1844 wr32(hw
, I40E_PFINT_ITRN(1, vector
- 1), q_vector
->tx
.itr
);
1852 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1853 * @pf: pointer to the physical function struct
1854 * @cmd: ethtool rxnfc command
1856 * Returns Success if the flow is supported, else Invalid Input.
1858 static int i40e_get_rss_hash_opts(struct i40e_pf
*pf
, struct ethtool_rxnfc
*cmd
)
1862 if (pf
->vsi
[pf
->lan_vsi
]->rxnfc
.data
!= 0) {
1863 cmd
->data
= pf
->vsi
[pf
->lan_vsi
]->rxnfc
.data
;
1864 cmd
->flow_type
= pf
->vsi
[pf
->lan_vsi
]->rxnfc
.flow_type
;
1867 /* Report default options for RSS on i40e */
1868 switch (cmd
->flow_type
) {
1871 cmd
->data
|= RXH_L4_B_0_1
| RXH_L4_B_2_3
;
1872 /* fall through to add IP fields */
1874 case AH_ESP_V4_FLOW
:
1878 cmd
->data
|= RXH_IP_SRC
| RXH_IP_DST
;
1882 cmd
->data
|= RXH_L4_B_0_1
| RXH_L4_B_2_3
;
1883 /* fall through to add IP fields */
1885 case AH_ESP_V6_FLOW
:
1889 cmd
->data
|= RXH_IP_SRC
| RXH_IP_DST
;
1899 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1900 * @pf: Pointer to the physical function struct
1901 * @cmd: The command to get or set Rx flow classification rules
1902 * @rule_locs: Array of used rule locations
1904 * This function populates both the total and actual rule count of
1905 * the ethtool flow classification command
1907 * Returns 0 on success or -EMSGSIZE if entry not found
1909 static int i40e_get_ethtool_fdir_all(struct i40e_pf
*pf
,
1910 struct ethtool_rxnfc
*cmd
,
1913 struct i40e_fdir_filter
*rule
;
1914 struct hlist_node
*node2
;
1917 /* report total rule count */
1918 cmd
->data
= i40e_get_fd_cnt_all(pf
);
1920 hlist_for_each_entry_safe(rule
, node2
,
1921 &pf
->fdir_filter_list
, fdir_node
) {
1922 if (cnt
== cmd
->rule_cnt
)
1925 rule_locs
[cnt
] = rule
->fd_id
;
1929 cmd
->rule_cnt
= cnt
;
1935 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
1936 * @pf: Pointer to the physical function struct
1937 * @cmd: The command to get or set Rx flow classification rules
1939 * This function looks up a filter based on the Rx flow classification
1940 * command and fills the flow spec info for it if found
1942 * Returns 0 on success or -EINVAL if filter not found
1944 static int i40e_get_ethtool_fdir_entry(struct i40e_pf
*pf
,
1945 struct ethtool_rxnfc
*cmd
)
1947 struct ethtool_rx_flow_spec
*fsp
=
1948 (struct ethtool_rx_flow_spec
*)&cmd
->fs
;
1949 struct i40e_fdir_filter
*rule
= NULL
;
1950 struct hlist_node
*node2
;
1952 hlist_for_each_entry_safe(rule
, node2
,
1953 &pf
->fdir_filter_list
, fdir_node
) {
1954 if (fsp
->location
<= rule
->fd_id
)
1958 if (!rule
|| fsp
->location
!= rule
->fd_id
)
1961 fsp
->flow_type
= rule
->flow_type
;
1962 if (fsp
->flow_type
== IP_USER_FLOW
) {
1963 fsp
->h_u
.usr_ip4_spec
.ip_ver
= ETH_RX_NFC_IP4
;
1964 fsp
->h_u
.usr_ip4_spec
.proto
= 0;
1965 fsp
->m_u
.usr_ip4_spec
.proto
= 0;
1968 /* Reverse the src and dest notion, since the HW views them from
1969 * Tx perspective where as the user expects it from Rx filter view.
1971 fsp
->h_u
.tcp_ip4_spec
.psrc
= rule
->dst_port
;
1972 fsp
->h_u
.tcp_ip4_spec
.pdst
= rule
->src_port
;
1973 fsp
->h_u
.tcp_ip4_spec
.ip4src
= rule
->dst_ip
[0];
1974 fsp
->h_u
.tcp_ip4_spec
.ip4dst
= rule
->src_ip
[0];
1976 if (rule
->dest_ctl
== I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET
)
1977 fsp
->ring_cookie
= RX_CLS_FLOW_DISC
;
1979 fsp
->ring_cookie
= rule
->q_index
;
1981 if (rule
->dest_vsi
!= pf
->vsi
[pf
->lan_vsi
]->id
) {
1982 struct i40e_vsi
*vsi
;
1984 vsi
= i40e_find_vsi_from_id(pf
, rule
->dest_vsi
);
1985 if (vsi
&& vsi
->type
== I40E_VSI_SRIOV
) {
1986 fsp
->h_ext
.data
[1] = htonl(vsi
->vf_id
);
1987 fsp
->m_ext
.data
[1] = htonl(0x1);
1995 * i40e_get_rxnfc - command to get RX flow classification rules
1996 * @netdev: network interface device structure
1997 * @cmd: ethtool rxnfc command
1999 * Returns Success if the command is supported.
2001 static int i40e_get_rxnfc(struct net_device
*netdev
, struct ethtool_rxnfc
*cmd
,
2004 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2005 struct i40e_vsi
*vsi
= np
->vsi
;
2006 struct i40e_pf
*pf
= vsi
->back
;
2007 int ret
= -EOPNOTSUPP
;
2010 case ETHTOOL_GRXRINGS
:
2011 cmd
->data
= vsi
->alloc_queue_pairs
;
2015 ret
= i40e_get_rss_hash_opts(pf
, cmd
);
2017 case ETHTOOL_GRXCLSRLCNT
:
2018 cmd
->rule_cnt
= pf
->fdir_pf_active_filters
;
2019 /* report total rule count */
2020 cmd
->data
= i40e_get_fd_cnt_all(pf
);
2023 case ETHTOOL_GRXCLSRULE
:
2024 ret
= i40e_get_ethtool_fdir_entry(pf
, cmd
);
2026 case ETHTOOL_GRXCLSRLALL
:
2027 ret
= i40e_get_ethtool_fdir_all(pf
, cmd
, rule_locs
);
2037 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2038 * @pf: pointer to the physical function struct
2039 * @cmd: ethtool rxnfc command
2041 * Returns Success if the flow input set is supported.
2043 static int i40e_set_rss_hash_opt(struct i40e_pf
*pf
, struct ethtool_rxnfc
*nfc
)
2045 struct i40e_hw
*hw
= &pf
->hw
;
2046 u64 hena
= (u64
)rd32(hw
, I40E_PFQF_HENA(0)) |
2047 ((u64
)rd32(hw
, I40E_PFQF_HENA(1)) << 32);
2049 /* RSS does not support anything other than hashing
2050 * to queues on src and dst IPs and ports
2052 if (nfc
->data
& ~(RXH_IP_SRC
| RXH_IP_DST
|
2053 RXH_L4_B_0_1
| RXH_L4_B_2_3
))
2056 /* We need at least the IP SRC and DEST fields for hashing */
2057 if (!(nfc
->data
& RXH_IP_SRC
) ||
2058 !(nfc
->data
& RXH_IP_DST
))
2061 switch (nfc
->flow_type
) {
2063 switch (nfc
->data
& (RXH_L4_B_0_1
| RXH_L4_B_2_3
)) {
2065 hena
&= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP
);
2067 case (RXH_L4_B_0_1
| RXH_L4_B_2_3
):
2068 hena
|= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP
);
2075 switch (nfc
->data
& (RXH_L4_B_0_1
| RXH_L4_B_2_3
)) {
2077 hena
&= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP
);
2079 case (RXH_L4_B_0_1
| RXH_L4_B_2_3
):
2080 hena
|= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP
);
2087 switch (nfc
->data
& (RXH_L4_B_0_1
| RXH_L4_B_2_3
)) {
2089 hena
&= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP
) |
2090 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4
));
2092 case (RXH_L4_B_0_1
| RXH_L4_B_2_3
):
2093 hena
|= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP
) |
2094 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4
));
2101 switch (nfc
->data
& (RXH_L4_B_0_1
| RXH_L4_B_2_3
)) {
2103 hena
&= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP
) |
2104 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6
));
2106 case (RXH_L4_B_0_1
| RXH_L4_B_2_3
):
2107 hena
|= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP
) |
2108 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6
));
2114 case AH_ESP_V4_FLOW
:
2118 if ((nfc
->data
& RXH_L4_B_0_1
) ||
2119 (nfc
->data
& RXH_L4_B_2_3
))
2121 hena
|= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER
);
2123 case AH_ESP_V6_FLOW
:
2127 if ((nfc
->data
& RXH_L4_B_0_1
) ||
2128 (nfc
->data
& RXH_L4_B_2_3
))
2130 hena
|= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER
);
2133 hena
|= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER
) |
2134 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4
);
2137 hena
|= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER
) |
2138 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6
);
2144 wr32(hw
, I40E_PFQF_HENA(0), (u32
)hena
);
2145 wr32(hw
, I40E_PFQF_HENA(1), (u32
)(hena
>> 32));
2148 /* Save setting for future output/update */
2149 pf
->vsi
[pf
->lan_vsi
]->rxnfc
= *nfc
;
2155 * i40e_match_fdir_input_set - Match a new filter against an existing one
2156 * @rule: The filter already added
2157 * @input: The new filter to comapre against
2159 * Returns true if the two input set match
2161 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter
*rule
,
2162 struct i40e_fdir_filter
*input
)
2164 if ((rule
->dst_ip
[0] != input
->dst_ip
[0]) ||
2165 (rule
->src_ip
[0] != input
->src_ip
[0]) ||
2166 (rule
->dst_port
!= input
->dst_port
) ||
2167 (rule
->src_port
!= input
->src_port
))
2173 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2174 * @vsi: Pointer to the targeted VSI
2175 * @input: The filter to update or NULL to indicate deletion
2176 * @sw_idx: Software index to the filter
2177 * @cmd: The command to get or set Rx flow classification rules
2179 * This function updates (or deletes) a Flow Director entry from
2180 * the hlist of the corresponding PF
2182 * Returns 0 on success
2184 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi
*vsi
,
2185 struct i40e_fdir_filter
*input
,
2187 struct ethtool_rxnfc
*cmd
)
2189 struct i40e_fdir_filter
*rule
, *parent
;
2190 struct i40e_pf
*pf
= vsi
->back
;
2191 struct hlist_node
*node2
;
2197 hlist_for_each_entry_safe(rule
, node2
,
2198 &pf
->fdir_filter_list
, fdir_node
) {
2199 /* hash found, or no matching entry */
2200 if (rule
->fd_id
>= sw_idx
)
2205 /* if there is an old rule occupying our place remove it */
2206 if (rule
&& (rule
->fd_id
== sw_idx
)) {
2207 if (input
&& !i40e_match_fdir_input_set(rule
, input
))
2208 err
= i40e_add_del_fdir(vsi
, rule
, false);
2210 err
= i40e_add_del_fdir(vsi
, rule
, false);
2211 hlist_del(&rule
->fdir_node
);
2213 pf
->fdir_pf_active_filters
--;
2216 /* If no input this was a delete, err should be 0 if a rule was
2217 * successfully found and removed from the list else -EINVAL
2222 /* initialize node and set software index */
2223 INIT_HLIST_NODE(&input
->fdir_node
);
2225 /* add filter to the list */
2227 hlist_add_behind(&input
->fdir_node
, &parent
->fdir_node
);
2229 hlist_add_head(&input
->fdir_node
,
2230 &pf
->fdir_filter_list
);
2233 pf
->fdir_pf_active_filters
++;
2239 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2240 * @vsi: Pointer to the targeted VSI
2241 * @cmd: The command to get or set Rx flow classification rules
2243 * The function removes a Flow Director filter entry from the
2244 * hlist of the corresponding PF
2246 * Returns 0 on success
2248 static int i40e_del_fdir_entry(struct i40e_vsi
*vsi
,
2249 struct ethtool_rxnfc
*cmd
)
2251 struct ethtool_rx_flow_spec
*fsp
=
2252 (struct ethtool_rx_flow_spec
*)&cmd
->fs
;
2253 struct i40e_pf
*pf
= vsi
->back
;
2256 if (test_bit(__I40E_RESET_RECOVERY_PENDING
, &pf
->state
) ||
2257 test_bit(__I40E_RESET_INTR_RECEIVED
, &pf
->state
))
2260 if (test_bit(__I40E_FD_FLUSH_REQUESTED
, &pf
->state
))
2263 ret
= i40e_update_ethtool_fdir_entry(vsi
, NULL
, fsp
->location
, cmd
);
2265 i40e_fdir_check_and_reenable(pf
);
2270 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2271 * @vsi: pointer to the targeted VSI
2272 * @cmd: command to get or set RX flow classification rules
2274 * Add Flow Director filters for a specific flow spec based on their
2275 * protocol. Returns 0 if the filters were successfully added.
2277 static int i40e_add_fdir_ethtool(struct i40e_vsi
*vsi
,
2278 struct ethtool_rxnfc
*cmd
)
2280 struct ethtool_rx_flow_spec
*fsp
;
2281 struct i40e_fdir_filter
*input
;
2291 if (!(pf
->flags
& I40E_FLAG_FD_SB_ENABLED
))
2294 if (pf
->auto_disable_flags
& I40E_FLAG_FD_SB_ENABLED
)
2297 if (test_bit(__I40E_RESET_RECOVERY_PENDING
, &pf
->state
) ||
2298 test_bit(__I40E_RESET_INTR_RECEIVED
, &pf
->state
))
2301 if (test_bit(__I40E_FD_FLUSH_REQUESTED
, &pf
->state
))
2304 fsp
= (struct ethtool_rx_flow_spec
*)&cmd
->fs
;
2306 if (fsp
->location
>= (pf
->hw
.func_caps
.fd_filters_best_effort
+
2307 pf
->hw
.func_caps
.fd_filters_guaranteed
)) {
2311 if ((fsp
->ring_cookie
!= RX_CLS_FLOW_DISC
) &&
2312 (fsp
->ring_cookie
>= vsi
->num_queue_pairs
))
2315 input
= kzalloc(sizeof(*input
), GFP_KERNEL
);
2320 input
->fd_id
= fsp
->location
;
2322 if (fsp
->ring_cookie
== RX_CLS_FLOW_DISC
)
2323 input
->dest_ctl
= I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET
;
2326 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX
;
2328 input
->q_index
= fsp
->ring_cookie
;
2329 input
->flex_off
= 0;
2331 input
->dest_vsi
= vsi
->id
;
2332 input
->fd_status
= I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID
;
2333 input
->cnt_index
= I40E_FD_SB_STAT_IDX(pf
->hw
.pf_id
);
2334 input
->flow_type
= fsp
->flow_type
;
2335 input
->ip4_proto
= fsp
->h_u
.usr_ip4_spec
.proto
;
2337 /* Reverse the src and dest notion, since the HW expects them to be from
2338 * Tx perspective where as the input from user is from Rx filter view.
2340 input
->dst_port
= fsp
->h_u
.tcp_ip4_spec
.psrc
;
2341 input
->src_port
= fsp
->h_u
.tcp_ip4_spec
.pdst
;
2342 input
->dst_ip
[0] = fsp
->h_u
.tcp_ip4_spec
.ip4src
;
2343 input
->src_ip
[0] = fsp
->h_u
.tcp_ip4_spec
.ip4dst
;
2345 if (ntohl(fsp
->m_ext
.data
[1])) {
2346 if (ntohl(fsp
->h_ext
.data
[1]) >= pf
->num_alloc_vfs
) {
2347 netif_info(pf
, drv
, vsi
->netdev
, "Invalid VF id\n");
2350 vf_id
= ntohl(fsp
->h_ext
.data
[1]);
2351 /* Find vsi id from vf id and override dest vsi */
2352 input
->dest_vsi
= pf
->vf
[vf_id
].lan_vsi_id
;
2353 if (input
->q_index
>= pf
->vf
[vf_id
].num_queue_pairs
) {
2354 netif_info(pf
, drv
, vsi
->netdev
, "Invalid queue id\n");
2359 ret
= i40e_add_del_fdir(vsi
, input
, true);
2364 i40e_update_ethtool_fdir_entry(vsi
, input
, fsp
->location
, NULL
);
2370 * i40e_set_rxnfc - command to set RX flow classification rules
2371 * @netdev: network interface device structure
2372 * @cmd: ethtool rxnfc command
2374 * Returns Success if the command is supported.
2376 static int i40e_set_rxnfc(struct net_device
*netdev
, struct ethtool_rxnfc
*cmd
)
2378 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2379 struct i40e_vsi
*vsi
= np
->vsi
;
2380 struct i40e_pf
*pf
= vsi
->back
;
2381 int ret
= -EOPNOTSUPP
;
2385 ret
= i40e_set_rss_hash_opt(pf
, cmd
);
2387 case ETHTOOL_SRXCLSRLINS
:
2388 ret
= i40e_add_fdir_ethtool(vsi
, cmd
);
2390 case ETHTOOL_SRXCLSRLDEL
:
2391 ret
= i40e_del_fdir_entry(vsi
, cmd
);
2401 * i40e_max_channels - get Max number of combined channels supported
2404 static unsigned int i40e_max_channels(struct i40e_vsi
*vsi
)
2406 /* TODO: This code assumes DCB and FD is disabled for now. */
2407 return vsi
->alloc_queue_pairs
;
2411 * i40e_get_channels - Get the current channels enabled and max supported etc.
2412 * @netdev: network interface device structure
2413 * @ch: ethtool channels structure
2415 * We don't support separate tx and rx queues as channels. The other count
2416 * represents how many queues are being used for control. max_combined counts
2417 * how many queue pairs we can support. They may not be mapped 1 to 1 with
2418 * q_vectors since we support a lot more queue pairs than q_vectors.
2420 static void i40e_get_channels(struct net_device
*dev
,
2421 struct ethtool_channels
*ch
)
2423 struct i40e_netdev_priv
*np
= netdev_priv(dev
);
2424 struct i40e_vsi
*vsi
= np
->vsi
;
2425 struct i40e_pf
*pf
= vsi
->back
;
2427 /* report maximum channels */
2428 ch
->max_combined
= i40e_max_channels(vsi
);
2430 /* report info for other vector */
2431 ch
->other_count
= (pf
->flags
& I40E_FLAG_FD_SB_ENABLED
) ? 1 : 0;
2432 ch
->max_other
= ch
->other_count
;
2434 /* Note: This code assumes DCB is disabled for now. */
2435 ch
->combined_count
= vsi
->num_queue_pairs
;
2439 * i40e_set_channels - Set the new channels count.
2440 * @netdev: network interface device structure
2441 * @ch: ethtool channels structure
2443 * The new channels count may not be the same as requested by the user
2444 * since it gets rounded down to a power of 2 value.
2446 static int i40e_set_channels(struct net_device
*dev
,
2447 struct ethtool_channels
*ch
)
2449 struct i40e_netdev_priv
*np
= netdev_priv(dev
);
2450 unsigned int count
= ch
->combined_count
;
2451 struct i40e_vsi
*vsi
= np
->vsi
;
2452 struct i40e_pf
*pf
= vsi
->back
;
2455 /* We do not support setting channels for any other VSI at present */
2456 if (vsi
->type
!= I40E_VSI_MAIN
)
2459 /* verify they are not requesting separate vectors */
2460 if (!count
|| ch
->rx_count
|| ch
->tx_count
)
2463 /* verify other_count has not changed */
2464 if (ch
->other_count
!= ((pf
->flags
& I40E_FLAG_FD_SB_ENABLED
) ? 1 : 0))
2467 /* verify the number of channels does not exceed hardware limits */
2468 if (count
> i40e_max_channels(vsi
))
2471 /* update feature limits from largest to smallest supported values */
2472 /* TODO: Flow director limit, DCB etc */
2474 /* use rss_reconfig to rebuild with new queue count and update traffic
2475 * class queue mapping
2477 new_count
= i40e_reconfig_rss_queues(pf
, count
);
2484 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2486 * i40e_get_rxfh_key_size - get the RSS hash key size
2487 * @netdev: network interface device structure
2489 * Returns the table size.
2491 static u32
i40e_get_rxfh_key_size(struct net_device
*netdev
)
2493 return I40E_HKEY_ARRAY_SIZE
;
2497 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2498 * @netdev: network interface device structure
2500 * Returns the table size.
2502 static u32
i40e_get_rxfh_indir_size(struct net_device
*netdev
)
2504 return I40E_HLUT_ARRAY_SIZE
;
2507 static int i40e_get_rxfh(struct net_device
*netdev
, u32
*indir
, u8
*key
,
2510 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2511 struct i40e_vsi
*vsi
= np
->vsi
;
2512 struct i40e_pf
*pf
= vsi
->back
;
2513 struct i40e_hw
*hw
= &pf
->hw
;
2518 *hfunc
= ETH_RSS_HASH_TOP
;
2523 for (i
= 0, j
= 0; i
<= I40E_PFQF_HLUT_MAX_INDEX
; i
++) {
2524 reg_val
= rd32(hw
, I40E_PFQF_HLUT(i
));
2525 indir
[j
++] = reg_val
& 0xff;
2526 indir
[j
++] = (reg_val
>> 8) & 0xff;
2527 indir
[j
++] = (reg_val
>> 16) & 0xff;
2528 indir
[j
++] = (reg_val
>> 24) & 0xff;
2532 for (i
= 0, j
= 0; i
<= I40E_PFQF_HKEY_MAX_INDEX
; i
++) {
2533 reg_val
= rd32(hw
, I40E_PFQF_HKEY(i
));
2534 key
[j
++] = (u8
)(reg_val
& 0xff);
2535 key
[j
++] = (u8
)((reg_val
>> 8) & 0xff);
2536 key
[j
++] = (u8
)((reg_val
>> 16) & 0xff);
2537 key
[j
++] = (u8
)((reg_val
>> 24) & 0xff);
2544 * i40e_set_rxfh - set the rx flow hash indirection table
2545 * @netdev: network interface device structure
2546 * @indir: indirection table
2549 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2550 * returns 0 after programming the table.
2552 static int i40e_set_rxfh(struct net_device
*netdev
, const u32
*indir
,
2553 const u8
*key
, const u8 hfunc
)
2555 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2556 struct i40e_vsi
*vsi
= np
->vsi
;
2557 struct i40e_pf
*pf
= vsi
->back
;
2558 struct i40e_hw
*hw
= &pf
->hw
;
2562 if (hfunc
!= ETH_RSS_HASH_NO_CHANGE
&& hfunc
!= ETH_RSS_HASH_TOP
)
2568 for (i
= 0, j
= 0; i
<= I40E_PFQF_HLUT_MAX_INDEX
; i
++) {
2569 reg_val
= indir
[j
++];
2570 reg_val
|= indir
[j
++] << 8;
2571 reg_val
|= indir
[j
++] << 16;
2572 reg_val
|= indir
[j
++] << 24;
2573 wr32(hw
, I40E_PFQF_HLUT(i
), reg_val
);
2577 for (i
= 0, j
= 0; i
<= I40E_PFQF_HKEY_MAX_INDEX
; i
++) {
2579 reg_val
|= key
[j
++] << 8;
2580 reg_val
|= key
[j
++] << 16;
2581 reg_val
|= key
[j
++] << 24;
2582 wr32(hw
, I40E_PFQF_HKEY(i
), reg_val
);
2589 * i40e_get_priv_flags - report device private flags
2590 * @dev: network interface device structure
2592 * The get string set count and the string set should be matched for each
2593 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
2596 * Returns a u32 bitmap of flags.
2598 static u32
i40e_get_priv_flags(struct net_device
*dev
)
2600 struct i40e_netdev_priv
*np
= netdev_priv(dev
);
2601 struct i40e_vsi
*vsi
= np
->vsi
;
2602 struct i40e_pf
*pf
= vsi
->back
;
2605 ret_flags
|= pf
->hw
.func_caps
.npar_enable
?
2606 I40E_PRIV_FLAGS_NPAR_FLAG
: 0;
2611 static const struct ethtool_ops i40e_ethtool_ops
= {
2612 .get_settings
= i40e_get_settings
,
2613 .set_settings
= i40e_set_settings
,
2614 .get_drvinfo
= i40e_get_drvinfo
,
2615 .get_regs_len
= i40e_get_regs_len
,
2616 .get_regs
= i40e_get_regs
,
2617 .nway_reset
= i40e_nway_reset
,
2618 .get_link
= ethtool_op_get_link
,
2619 .get_wol
= i40e_get_wol
,
2620 .set_wol
= i40e_set_wol
,
2621 .set_eeprom
= i40e_set_eeprom
,
2622 .get_eeprom_len
= i40e_get_eeprom_len
,
2623 .get_eeprom
= i40e_get_eeprom
,
2624 .get_ringparam
= i40e_get_ringparam
,
2625 .set_ringparam
= i40e_set_ringparam
,
2626 .get_pauseparam
= i40e_get_pauseparam
,
2627 .set_pauseparam
= i40e_set_pauseparam
,
2628 .get_msglevel
= i40e_get_msglevel
,
2629 .set_msglevel
= i40e_set_msglevel
,
2630 .get_rxnfc
= i40e_get_rxnfc
,
2631 .set_rxnfc
= i40e_set_rxnfc
,
2632 .self_test
= i40e_diag_test
,
2633 .get_strings
= i40e_get_strings
,
2634 .set_phys_id
= i40e_set_phys_id
,
2635 .get_sset_count
= i40e_get_sset_count
,
2636 .get_ethtool_stats
= i40e_get_ethtool_stats
,
2637 .get_coalesce
= i40e_get_coalesce
,
2638 .set_coalesce
= i40e_set_coalesce
,
2639 .get_rxfh_key_size
= i40e_get_rxfh_key_size
,
2640 .get_rxfh_indir_size
= i40e_get_rxfh_indir_size
,
2641 .get_rxfh
= i40e_get_rxfh
,
2642 .set_rxfh
= i40e_set_rxfh
,
2643 .get_channels
= i40e_get_channels
,
2644 .set_channels
= i40e_set_channels
,
2645 .get_ts_info
= i40e_get_ts_info
,
2646 .get_priv_flags
= i40e_get_priv_flags
,
2649 void i40e_set_ethtool_ops(struct net_device
*netdev
)
2651 netdev
->ethtool_ops
= &i40e_ethtool_ops
;