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i40e: Fix multiple link up messages
[linux-2.6-block.git] / drivers / net / ethernet / intel / i40e / i40e_ethtool.c
CommitLineData
c7d05ca8
JB		 1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
e827845c 4 * Copyright(c) 2013 - 2015 Intel Corporation.
c7d05ca8
JB		 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 *
dc641b73
GR		 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/>.
c7d05ca8
JB		 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
32struct 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}
fad177dc 43
c7d05ca8 44#define I40E_NETDEV_STAT(_net_stat) \
fad177dc 45 I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
c7d05ca8
JB		 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)
8eab9cfd
SN		 50#define I40E_VEB_STAT(_name, _stat) \
51 I40E_STAT(struct i40e_veb, _name, _stat)
c7d05ca8
JB		 52
53static 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),
c7d05ca8
JB		 62 I40E_NETDEV_STAT(collisions),
63 I40E_NETDEV_STAT(rx_length_errors),
64 I40E_NETDEV_STAT(rx_crc_errors),
65};
66
8eab9cfd
SN		 67static 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
41a9e55c 82static const struct i40e_stats i40e_gstrings_misc_stats[] = {
418631d4
SN		 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),
41a9e55c
SN		 87 I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
88 I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
418631d4 89 I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
2fc3d715 90 I40E_VSI_STAT("tx_linearize", tx_linearize),
41a9e55c
SN		 91};
92
1eaa3840
ASJ		 93static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
94 struct ethtool_rxnfc *cmd);
17a73f6b 95
c7d05ca8
JB		 96/* These PF_STATs might look like duplicates of some NETDEV_STATs,
97 * but they are separate. This device supports Virtualization, and
98 * as such might have several netdevs supporting VMDq and FCoE going
99 * through a single port. The NETDEV_STATs are for individual netdevs
100 * seen at the top of the stack, and the PF_STATs are for the physical
101 * function at the bottom of the stack hosting those netdevs.
102 *
103 * The PF_STATs are appended to the netdev stats only when ethtool -S
104 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
105 */
106static struct i40e_stats i40e_gstrings_stats[] = {
107 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
108 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
532d283d
SN		 109 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
110 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
111 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
112 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
113 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
114 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
c7d05ca8
JB		 115 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
116 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
c7d05ca8 117 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
9f7c9448 118 I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
c7d05ca8
JB		 119 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
120 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
121 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
a47a15f4 122 I40E_PF_STAT("tx_timeout", tx_timeout_count),
8a3c91cc 123 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
c7d05ca8
JB		 124 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
125 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
126 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
127 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
128 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
129 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
130 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
131 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
132 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
133 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
134 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
135 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
136 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
137 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
138 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
139 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
140 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
141 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
142 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
143 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
144 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
145 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
146 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
147 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
beb0dff1 148 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
60793f4a 149 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
433c47de 150 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
60ccd45c 151 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
d0389e51 152 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
433c47de 153 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
d0389e51 154 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
433c47de 155
bee5af7e
ASJ		 156 /* LPI stats */
157 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
158 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
159 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
160 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
c7d05ca8
JB		 161};
162
38e00438
VD		 163#ifdef I40E_FCOE
164static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
165 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
166 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
167 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
168 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
169 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
170 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
171 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
172 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
173};
174
175#endif /* I40E_FCOE */
c7d05ca8 176#define I40E_QUEUE_STATS_LEN(n) \
31cd840e
SN		 177 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
178 * 2 /* Tx and Rx together */ \
179 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
c7d05ca8
JB		 180#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
181#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
41a9e55c 182#define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
38e00438
VD		 183#ifdef I40E_FCOE
184#define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats)
185#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
186 I40E_FCOE_STATS_LEN + \
187 I40E_MISC_STATS_LEN + \
188 I40E_QUEUE_STATS_LEN((n)))
189#else
c7d05ca8 190#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
41a9e55c 191 I40E_MISC_STATS_LEN + \
c7d05ca8 192 I40E_QUEUE_STATS_LEN((n)))
38e00438 193#endif /* I40E_FCOE */
c7d05ca8
JB		 194#define I40E_PFC_STATS_LEN ( \
195 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
196 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
197 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
198 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
199 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
200 / sizeof(u64))
fe860afb
NP		 201#define I40E_VEB_TC_STATS_LEN ( \
202 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
203 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
204 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
205 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
206 / sizeof(u64))
8eab9cfd 207#define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
fe860afb 208#define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
c7d05ca8
JB		 209#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
210 I40E_PFC_STATS_LEN + \
211 I40E_VSI_STATS_LEN((n)))
212
213enum i40e_ethtool_test_id {
214 I40E_ETH_TEST_REG = 0,
215 I40E_ETH_TEST_EEPROM,
216 I40E_ETH_TEST_INTR,
217 I40E_ETH_TEST_LOOPBACK,
218 I40E_ETH_TEST_LINK,
219};
220
221static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
222 "Register test (offline)",
223 "Eeprom test (offline)",
224 "Interrupt test (offline)",
225 "Loopback test (offline)",
226 "Link test (on/offline)"
227};
228
229#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
230
7e45ab44
GR		 231static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
232 "NPAR",
233};
234
235#define I40E_PRIV_FLAGS_STR_LEN \
236 (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN)
237
f0d8c733
SN		 238/**
239 * i40e_partition_setting_complaint - generic complaint for MFP restriction
240 * @pf: the PF struct
241 **/
242static void i40e_partition_setting_complaint(struct i40e_pf *pf)
243{
244 dev_info(&pf->pdev->dev,
245 "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");
246}
247
c7d05ca8 248/**
e827845c
CS		 249 * i40e_get_settings_link_up - Get the Link settings for when link is up
250 * @hw: hw structure
251 * @ecmd: ethtool command to fill in
c7d05ca8 252 * @netdev: network interface device structure
c7d05ca8 253 *
c7d05ca8 254 **/
e827845c
CS		 255static void i40e_get_settings_link_up(struct i40e_hw *hw,
256 struct ethtool_cmd *ecmd,
257 struct net_device *netdev)
c7d05ca8 258{
c7d05ca8 259 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
c7d05ca8
JB		 260 u32 link_speed = hw_link_info->link_speed;
261
e827845c 262 /* Initialize supported and advertised settings based on phy settings */
c7d05ca8
JB		 263 switch (hw_link_info->phy_type) {
264 case I40E_PHY_TYPE_40GBASE_CR4:
265 case I40E_PHY_TYPE_40GBASE_CR4_CU:
4e91bcd5
JB		 266 ecmd->supported = SUPPORTED_Autoneg |
267 SUPPORTED_40000baseCR4_Full;
268 ecmd->advertising = ADVERTISED_Autoneg |
269 ADVERTISED_40000baseCR4_Full;
c7d05ca8 270 break;
e827845c
CS		 271 case I40E_PHY_TYPE_XLAUI:
272 case I40E_PHY_TYPE_XLPPI:
180204c7 273 case I40E_PHY_TYPE_40GBASE_AOC:
e827845c
CS		 274 ecmd->supported = SUPPORTED_40000baseCR4_Full;
275 break;
c7d05ca8 276 case I40E_PHY_TYPE_40GBASE_KR4:
4e91bcd5
JB		 277 ecmd->supported = SUPPORTED_Autoneg |
278 SUPPORTED_40000baseKR4_Full;
279 ecmd->advertising = ADVERTISED_Autoneg |
280 ADVERTISED_40000baseKR4_Full;
c7d05ca8
JB		 281 break;
282 case I40E_PHY_TYPE_40GBASE_SR4:
283 ecmd->supported = SUPPORTED_40000baseSR4_Full;
c7d05ca8
JB		 284 break;
285 case I40E_PHY_TYPE_40GBASE_LR4:
286 ecmd->supported = SUPPORTED_40000baseLR4_Full;
c7d05ca8 287 break;
ae24b409
JB		 288 case I40E_PHY_TYPE_20GBASE_KR2:
289 ecmd->supported = SUPPORTED_Autoneg |
290 SUPPORTED_20000baseKR2_Full;
291 ecmd->advertising = ADVERTISED_Autoneg |
292 ADVERTISED_20000baseKR2_Full;
293 break;
c7d05ca8 294 case I40E_PHY_TYPE_10GBASE_KX4:
4e91bcd5
JB		 295 ecmd->supported = SUPPORTED_Autoneg |
296 SUPPORTED_10000baseKX4_Full;
297 ecmd->advertising = ADVERTISED_Autoneg |
298 ADVERTISED_10000baseKX4_Full;
c7d05ca8
JB		 299 break;
300 case I40E_PHY_TYPE_10GBASE_KR:
4e91bcd5
JB		 301 ecmd->supported = SUPPORTED_Autoneg |
302 SUPPORTED_10000baseKR_Full;
303 ecmd->advertising = ADVERTISED_Autoneg |
304 ADVERTISED_10000baseKR_Full;
c7d05ca8 305 break;
4e91bcd5
JB		 306 case I40E_PHY_TYPE_10GBASE_SR:
307 case I40E_PHY_TYPE_10GBASE_LR:
124ed15b
CS		 308 case I40E_PHY_TYPE_1000BASE_SX:
309 case I40E_PHY_TYPE_1000BASE_LX:
e827845c
CS		 310 ecmd->supported = SUPPORTED_10000baseT_Full |
311 SUPPORTED_1000baseT_Full;
312 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
313 ecmd->advertising |= ADVERTISED_10000baseT_Full;
314 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
315 ecmd->advertising |= ADVERTISED_1000baseT_Full;
316 break;
317 case I40E_PHY_TYPE_1000BASE_KX:
318 ecmd->supported = SUPPORTED_Autoneg |
319 SUPPORTED_1000baseKX_Full;
320 ecmd->advertising = ADVERTISED_Autoneg |
321 ADVERTISED_1000baseKX_Full;
4e91bcd5 322 break;
4e91bcd5 323 case I40E_PHY_TYPE_10GBASE_T:
e827845c
CS		 324 case I40E_PHY_TYPE_1000BASE_T:
325 case I40E_PHY_TYPE_100BASE_TX:
4e91bcd5 326 ecmd->supported = SUPPORTED_Autoneg |
5960d33f
MW		 327 SUPPORTED_10000baseT_Full |
328 SUPPORTED_1000baseT_Full |
329 SUPPORTED_100baseT_Full;
e827845c
CS		 330 ecmd->advertising = ADVERTISED_Autoneg;
331 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
332 ecmd->advertising |= ADVERTISED_10000baseT_Full;
333 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
334 ecmd->advertising |= ADVERTISED_1000baseT_Full;
335 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
336 ecmd->advertising |= ADVERTISED_100baseT_Full;
337 break;
338 case I40E_PHY_TYPE_10GBASE_CR1_CU:
339 case I40E_PHY_TYPE_10GBASE_CR1:
340 ecmd->supported = SUPPORTED_Autoneg |
341 SUPPORTED_10000baseT_Full;
4e91bcd5 342 ecmd->advertising = ADVERTISED_Autoneg |
e827845c 343 ADVERTISED_10000baseT_Full;
4e91bcd5
JB		 344 break;
345 case I40E_PHY_TYPE_XAUI:
346 case I40E_PHY_TYPE_XFI:
347 case I40E_PHY_TYPE_SFI:
348 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
180204c7 349 case I40E_PHY_TYPE_10GBASE_AOC:
4e91bcd5
JB		 350 ecmd->supported = SUPPORTED_10000baseT_Full;
351 break;
4e91bcd5
JB		 352 case I40E_PHY_TYPE_SGMII:
353 ecmd->supported = SUPPORTED_Autoneg |
354 SUPPORTED_1000baseT_Full |
355 SUPPORTED_100baseT_Full;
e827845c
CS		 356 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
357 ecmd->advertising |= ADVERTISED_1000baseT_Full;
358 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
359 ecmd->advertising |= ADVERTISED_100baseT_Full;
4e91bcd5
JB		 360 break;
361 default:
362 /* if we got here and link is up something bad is afoot */
124ed15b
CS		 363 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
364 hw_link_info->phy_type);
c7d05ca8
JB		 365 }
366
e827845c
CS		 367 /* Set speed and duplex */
368 switch (link_speed) {
369 case I40E_LINK_SPEED_40GB:
edf5cffd 370 ethtool_cmd_speed_set(ecmd, SPEED_40000);
e827845c 371 break;
ae24b409
JB		 372 case I40E_LINK_SPEED_20GB:
373 ethtool_cmd_speed_set(ecmd, SPEED_20000);
374 break;
e827845c
CS		 375 case I40E_LINK_SPEED_10GB:
376 ethtool_cmd_speed_set(ecmd, SPEED_10000);
377 break;
378 case I40E_LINK_SPEED_1GB:
379 ethtool_cmd_speed_set(ecmd, SPEED_1000);
380 break;
381 case I40E_LINK_SPEED_100MB:
382 ethtool_cmd_speed_set(ecmd, SPEED_100);
383 break;
384 default:
385 break;
386 }
387 ecmd->duplex = DUPLEX_FULL;
388}
389
390/**
391 * i40e_get_settings_link_down - Get the Link settings for when link is down
392 * @hw: hw structure
393 * @ecmd: ethtool command to fill in
394 *
395 * Reports link settings that can be determined when link is down
396 **/
397static void i40e_get_settings_link_down(struct i40e_hw *hw,
398 struct ethtool_cmd *ecmd)
399{
400 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
401
402 /* link is down and the driver needs to fall back on
403 * device ID to determine what kinds of info to display,
404 * it's mostly a guess that may change when link is up
405 */
406 switch (hw->device_id) {
407 case I40E_DEV_ID_QSFP_A:
408 case I40E_DEV_ID_QSFP_B:
409 case I40E_DEV_ID_QSFP_C:
410 /* pluggable QSFP */
411 ecmd->supported = SUPPORTED_40000baseSR4_Full |
412 SUPPORTED_40000baseCR4_Full |
413 SUPPORTED_40000baseLR4_Full;
414 ecmd->advertising = ADVERTISED_40000baseSR4_Full |
415 ADVERTISED_40000baseCR4_Full |
416 ADVERTISED_40000baseLR4_Full;
417 break;
418 case I40E_DEV_ID_KX_B:
419 /* backplane 40G */
420 ecmd->supported = SUPPORTED_40000baseKR4_Full;
421 ecmd->advertising = ADVERTISED_40000baseKR4_Full;
422 break;
423 case I40E_DEV_ID_KX_C:
424 /* backplane 10G */
425 ecmd->supported = SUPPORTED_10000baseKR_Full;
426 ecmd->advertising = ADVERTISED_10000baseKR_Full;
427 break;
428 case I40E_DEV_ID_10G_BASE_T:
bc5166b9 429 case I40E_DEV_ID_10G_BASE_T4:
e827845c
CS		 430 ecmd->supported = SUPPORTED_10000baseT_Full |
431 SUPPORTED_1000baseT_Full |
432 SUPPORTED_100baseT_Full;
433 /* Figure out what has been requested */
434 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
435 ecmd->advertising |= ADVERTISED_10000baseT_Full;
436 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
437 ecmd->advertising |= ADVERTISED_1000baseT_Full;
438 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
439 ecmd->advertising |= ADVERTISED_100baseT_Full;
440 break;
ae24b409 441 case I40E_DEV_ID_20G_KR2:
48a3b512 442 case I40E_DEV_ID_20G_KR2_A:
ae24b409
JB		 443 /* backplane 20G */
444 ecmd->supported = SUPPORTED_20000baseKR2_Full;
445 ecmd->advertising = ADVERTISED_20000baseKR2_Full;
446 break;
e827845c
CS		 447 default:
448 /* all the rest are 10G/1G */
449 ecmd->supported = SUPPORTED_10000baseT_Full |
450 SUPPORTED_1000baseT_Full;
451 /* Figure out what has been requested */
452 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
453 ecmd->advertising |= ADVERTISED_10000baseT_Full;
454 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
455 ecmd->advertising |= ADVERTISED_1000baseT_Full;
456 break;
457 }
458
459 /* With no link speed and duplex are unknown */
460 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
461 ecmd->duplex = DUPLEX_UNKNOWN;
462}
463
464/**
465 * i40e_get_settings - Get Link Speed and Duplex settings
466 * @netdev: network interface device structure
467 * @ecmd: ethtool command
468 *
469 * Reports speed/duplex settings based on media_type
470 **/
471static int i40e_get_settings(struct net_device *netdev,
472 struct ethtool_cmd *ecmd)
473{
474 struct i40e_netdev_priv *np = netdev_priv(netdev);
475 struct i40e_pf *pf = np->vsi->back;
476 struct i40e_hw *hw = &pf->hw;
477 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
478 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
479
480 if (link_up)
481 i40e_get_settings_link_up(hw, ecmd, netdev);
482 else
483 i40e_get_settings_link_down(hw, ecmd);
484
485 /* Now set the settings that don't rely on link being up/down */
486
487 /* Set autoneg settings */
c9a3d471
JB		 488 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
489 AUTONEG_ENABLE : AUTONEG_DISABLE);
c7d05ca8 490
c9a3d471
JB		 491 switch (hw->phy.media_type) {
492 case I40E_MEDIA_TYPE_BACKPLANE:
4e91bcd5
JB		 493 ecmd->supported |= SUPPORTED_Autoneg |
494 SUPPORTED_Backplane;
495 ecmd->advertising |= ADVERTISED_Autoneg |
496 ADVERTISED_Backplane;
c7d05ca8 497 ecmd->port = PORT_NONE;
c9a3d471
JB		 498 break;
499 case I40E_MEDIA_TYPE_BASET:
c7d05ca8
JB		 500 ecmd->supported |= SUPPORTED_TP;
501 ecmd->advertising |= ADVERTISED_TP;
502 ecmd->port = PORT_TP;
c9a3d471
JB		 503 break;
504 case I40E_MEDIA_TYPE_DA:
505 case I40E_MEDIA_TYPE_CX4:
be405eb0
JB		 506 ecmd->supported |= SUPPORTED_FIBRE;
507 ecmd->advertising |= ADVERTISED_FIBRE;
508 ecmd->port = PORT_DA;
c9a3d471
JB		 509 break;
510 case I40E_MEDIA_TYPE_FIBER:
c7d05ca8 511 ecmd->supported |= SUPPORTED_FIBRE;
c7d05ca8 512 ecmd->port = PORT_FIBRE;
c9a3d471
JB		 513 break;
514 case I40E_MEDIA_TYPE_UNKNOWN:
515 default:
516 ecmd->port = PORT_OTHER;
517 break;
c7d05ca8
JB		 518 }
519
e827845c 520 /* Set transceiver */
c7d05ca8
JB		 521 ecmd->transceiver = XCVR_EXTERNAL;
522
e827845c 523 /* Set flow control settings */
4e91bcd5
JB		 524 ecmd->supported |= SUPPORTED_Pause;
525
e827845c 526 switch (hw->fc.requested_mode) {
4e91bcd5
JB		 527 case I40E_FC_FULL:
528 ecmd->advertising |= ADVERTISED_Pause;
529 break;
530 case I40E_FC_TX_PAUSE:
531 ecmd->advertising |= ADVERTISED_Asym_Pause;
532 break;
533 case I40E_FC_RX_PAUSE:
534 ecmd->advertising |= (ADVERTISED_Pause |
535 ADVERTISED_Asym_Pause);
536 break;
537 default:
538 ecmd->advertising &= ~(ADVERTISED_Pause |
539 ADVERTISED_Asym_Pause);
540 break;
541 }
542
c7d05ca8
JB		 543 return 0;
544}
545
bf9c7141
CS		 546/**
547 * i40e_set_settings - Set Speed and Duplex
548 * @netdev: network interface device structure
549 * @ecmd: ethtool command
550 *
551 * Set speed/duplex per media_types advertised/forced
552 **/
553static int i40e_set_settings(struct net_device *netdev,
554 struct ethtool_cmd *ecmd)
555{
556 struct i40e_netdev_priv *np = netdev_priv(netdev);
557 struct i40e_aq_get_phy_abilities_resp abilities;
558 struct i40e_aq_set_phy_config config;
559 struct i40e_pf *pf = np->vsi->back;
560 struct i40e_vsi *vsi = np->vsi;
561 struct i40e_hw *hw = &pf->hw;
562 struct ethtool_cmd safe_ecmd;
563 i40e_status status = 0;
564 bool change = false;
565 int err = 0;
566 u8 autoneg;
567 u32 advertise;
568
f0d8c733
SN		 569 /* Changing port settings is not supported if this isn't the
570 * port's controlling PF
571 */
572 if (hw->partition_id != 1) {
573 i40e_partition_setting_complaint(pf);
574 return -EOPNOTSUPP;
575 }
576
bf9c7141
CS		 577 if (vsi != pf->vsi[pf->lan_vsi])
578 return -EOPNOTSUPP;
579
580 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
581 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
c57e9f17
CS		 582 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
583 hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
bf9c7141
CS		 584 return -EOPNOTSUPP;
585
586 /* get our own copy of the bits to check against */
587 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
588 i40e_get_settings(netdev, &safe_ecmd);
589
590 /* save autoneg and speed out of ecmd */
591 autoneg = ecmd->autoneg;
592 advertise = ecmd->advertising;
593
594 /* set autoneg and speed back to what they currently are */
595 ecmd->autoneg = safe_ecmd.autoneg;
596 ecmd->advertising = safe_ecmd.advertising;
597
598 ecmd->cmd = safe_ecmd.cmd;
599 /* If ecmd and safe_ecmd are not the same now, then they are
600 * trying to set something that we do not support
601 */
602 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
603 return -EOPNOTSUPP;
604
605 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
606 usleep_range(1000, 2000);
607
608 /* Get the current phy config */
609 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
610 NULL);
611 if (status)
612 return -EAGAIN;
613
124ed15b 614 /* Copy abilities to config in case autoneg is not
bf9c7141
CS		 615 * set below
616 */
617 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
bf9c7141
CS		 618 config.abilities = abilities.abilities;
619
620 /* Check autoneg */
621 if (autoneg == AUTONEG_ENABLE) {
622 /* If autoneg is not supported, return error */
623 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
624 netdev_info(netdev, "Autoneg not supported on this phy\n");
625 return -EINVAL;
626 }
627 /* If autoneg was not already enabled */
628 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
629 config.abilities = abilities.abilities |
630 I40E_AQ_PHY_ENABLE_AN;
631 change = true;
632 }
633 } else {
634 /* If autoneg is supported 10GBASE_T is the only phy that
635 * can disable it, so otherwise return error
636 */
637 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
638 hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
639 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
640 return -EINVAL;
641 }
642 /* If autoneg is currently enabled */
643 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
5960d33f 644 config.abilities = abilities.abilities &
bf9c7141
CS		 645 ~I40E_AQ_PHY_ENABLE_AN;
646 change = true;
647 }
648 }
649
650 if (advertise & ~safe_ecmd.supported)
651 return -EINVAL;
652
653 if (advertise & ADVERTISED_100baseT_Full)
124ed15b 654 config.link_speed |= I40E_LINK_SPEED_100MB;
bf9c7141
CS		 655 if (advertise & ADVERTISED_1000baseT_Full ||
656 advertise & ADVERTISED_1000baseKX_Full)
124ed15b 657 config.link_speed |= I40E_LINK_SPEED_1GB;
bf9c7141
CS		 658 if (advertise & ADVERTISED_10000baseT_Full ||
659 advertise & ADVERTISED_10000baseKX4_Full ||
660 advertise & ADVERTISED_10000baseKR_Full)
124ed15b 661 config.link_speed |= I40E_LINK_SPEED_10GB;
ae24b409
JB		 662 if (advertise & ADVERTISED_20000baseKR2_Full)
663 config.link_speed |= I40E_LINK_SPEED_20GB;
bf9c7141
CS		 664 if (advertise & ADVERTISED_40000baseKR4_Full ||
665 advertise & ADVERTISED_40000baseCR4_Full ||
666 advertise & ADVERTISED_40000baseSR4_Full ||
667 advertise & ADVERTISED_40000baseLR4_Full)
124ed15b 668 config.link_speed |= I40E_LINK_SPEED_40GB;
bf9c7141 669
0002e118
CS		 670 /* If speed didn't get set, set it to what it currently is.
671 * This is needed because if advertise is 0 (as it is when autoneg
672 * is disabled) then speed won't get set.
673 */
674 if (!config.link_speed)
675 config.link_speed = abilities.link_speed;
676
124ed15b 677 if (change || (abilities.link_speed != config.link_speed)) {
bf9c7141
CS		 678 /* copy over the rest of the abilities */
679 config.phy_type = abilities.phy_type;
680 config.eee_capability = abilities.eee_capability;
681 config.eeer = abilities.eeer_val;
682 config.low_power_ctrl = abilities.d3_lpan;
683
e827845c
CS		 684 /* save the requested speeds */
685 hw->phy.link_info.requested_speeds = config.link_speed;
94128516
CS		 686 /* set link and auto negotiation so changes take effect */
687 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
688 /* If link is up put link down */
689 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
690 /* Tell the OS link is going down, the link will go
691 * back up when fw says it is ready asynchronously
692 */
c156f856 693 i40e_print_link_message(vsi, false);
94128516
CS		 694 netif_carrier_off(netdev);
695 netif_tx_stop_all_queues(netdev);
696 }
bf9c7141
CS		 697
698 /* make the aq call */
699 status = i40e_aq_set_phy_config(hw, &config, NULL);
700 if (status) {
f1c7e72e
SN		 701 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
702 i40e_stat_str(hw, status),
703 i40e_aq_str(hw, hw->aq.asq_last_status));
bf9c7141
CS		 704 return -EAGAIN;
705 }
706
21af70fb 707 status = i40e_aq_get_link_info(hw, true, NULL, NULL);
bf9c7141 708 if (status)
f1c7e72e
SN		 709 netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n",
710 i40e_stat_str(hw, status),
711 i40e_aq_str(hw, hw->aq.asq_last_status));
bf9c7141
CS		 712
713 } else {
714 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
715 }
716
717 return err;
718}
719
a6599721
JB		 720static int i40e_nway_reset(struct net_device *netdev)
721{
722 /* restart autonegotiation */
723 struct i40e_netdev_priv *np = netdev_priv(netdev);
724 struct i40e_pf *pf = np->vsi->back;
725 struct i40e_hw *hw = &pf->hw;
726 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
727 i40e_status ret = 0;
728
729 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
730 if (ret) {
f1c7e72e
SN		 731 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
732 i40e_stat_str(hw, ret),
733 i40e_aq_str(hw, hw->aq.asq_last_status));
a6599721
JB		 734 return -EIO;
735 }
736
737 return 0;
738}
739
c7d05ca8
JB		 740/**
741 * i40e_get_pauseparam - Get Flow Control status
742 * Return tx/rx-pause status
743 **/
744static void i40e_get_pauseparam(struct net_device *netdev,
745 struct ethtool_pauseparam *pause)
746{
747 struct i40e_netdev_priv *np = netdev_priv(netdev);
748 struct i40e_pf *pf = np->vsi->back;
749 struct i40e_hw *hw = &pf->hw;
750 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
4b7698cb 751 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
c7d05ca8
JB		 752
753 pause->autoneg =
754 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
755 AUTONEG_ENABLE : AUTONEG_DISABLE);
756
4b7698cb
NP		 757 /* PFC enabled so report LFC as off */
758 if (dcbx_cfg->pfc.pfcenable) {
759 pause->rx_pause = 0;
760 pause->tx_pause = 0;
761 return;
762 }
763
d52c20b7 764 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
c7d05ca8 765 pause->rx_pause = 1;
d52c20b7 766 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
c7d05ca8 767 pause->tx_pause = 1;
d52c20b7
JB		 768 } else if (hw->fc.current_mode == I40E_FC_FULL) {
769 pause->rx_pause = 1;
770 pause->tx_pause = 1;
771 }
c7d05ca8
JB		 772}
773
2becc35a
CS		 774/**
775 * i40e_set_pauseparam - Set Flow Control parameter
776 * @netdev: network interface device structure
777 * @pause: return tx/rx flow control status
778 **/
779static int i40e_set_pauseparam(struct net_device *netdev,
780 struct ethtool_pauseparam *pause)
781{
782 struct i40e_netdev_priv *np = netdev_priv(netdev);
783 struct i40e_pf *pf = np->vsi->back;
784 struct i40e_vsi *vsi = np->vsi;
785 struct i40e_hw *hw = &pf->hw;
786 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
4b7698cb 787 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
2becc35a
CS		 788 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
789 i40e_status status;
790 u8 aq_failures;
7d62dac6 791 int err = 0;
2becc35a 792
f0d8c733
SN		 793 /* Changing the port's flow control is not supported if this isn't the
794 * port's controlling PF
795 */
796 if (hw->partition_id != 1) {
797 i40e_partition_setting_complaint(pf);
798 return -EOPNOTSUPP;
799 }
800
2becc35a
CS		 801 if (vsi != pf->vsi[pf->lan_vsi])
802 return -EOPNOTSUPP;
803
804 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
805 AUTONEG_ENABLE : AUTONEG_DISABLE)) {
806 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
807 return -EOPNOTSUPP;
808 }
809
810 /* If we have link and don't have autoneg */
811 if (!test_bit(__I40E_DOWN, &pf->state) &&
812 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
813 /* Send message that it might not necessarily work*/
814 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
815 }
816
4b7698cb
NP		 817 if (dcbx_cfg->pfc.pfcenable) {
818 netdev_info(netdev,
819 "Priority flow control enabled. Cannot set link flow control.\n");
2becc35a
CS		 820 return -EOPNOTSUPP;
821 }
822
823 if (pause->rx_pause && pause->tx_pause)
824 hw->fc.requested_mode = I40E_FC_FULL;
825 else if (pause->rx_pause && !pause->tx_pause)
826 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
827 else if (!pause->rx_pause && pause->tx_pause)
828 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
829 else if (!pause->rx_pause && !pause->tx_pause)
830 hw->fc.requested_mode = I40E_FC_NONE;
831 else
832 return -EINVAL;
833
94128516
CS		 834 /* Tell the OS link is going down, the link will go back up when fw
835 * says it is ready asynchronously
836 */
c156f856 837 i40e_print_link_message(vsi, false);
94128516
CS		 838 netif_carrier_off(netdev);
839 netif_tx_stop_all_queues(netdev);
840
2becc35a
CS		 841 /* Set the fc mode and only restart an if link is up*/
842 status = i40e_set_fc(hw, &aq_failures, link_up);
843
844 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
f1c7e72e
SN		 845 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
846 i40e_stat_str(hw, status),
847 i40e_aq_str(hw, hw->aq.asq_last_status));
2becc35a
CS		 848 err = -EAGAIN;
849 }
850 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
f1c7e72e
SN		 851 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
852 i40e_stat_str(hw, status),
853 i40e_aq_str(hw, hw->aq.asq_last_status));
2becc35a
CS		 854 err = -EAGAIN;
855 }
856 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
f1c7e72e
SN		 857 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
858 i40e_stat_str(hw, status),
859 i40e_aq_str(hw, hw->aq.asq_last_status));
2becc35a
CS		 860 err = -EAGAIN;
861 }
862
7d62dac6
CS		 863 if (!test_bit(__I40E_DOWN, &pf->state)) {
864 /* Give it a little more time to try to come back */
865 msleep(75);
866 if (!test_bit(__I40E_DOWN, &pf->state))
867 return i40e_nway_reset(netdev);
868 }
2becc35a
CS		 869
870 return err;
871}
872
c7d05ca8
JB		 873static u32 i40e_get_msglevel(struct net_device *netdev)
874{
875 struct i40e_netdev_priv *np = netdev_priv(netdev);
876 struct i40e_pf *pf = np->vsi->back;
877
878 return pf->msg_enable;
879}
880
881static void i40e_set_msglevel(struct net_device *netdev, u32 data)
882{
883 struct i40e_netdev_priv *np = netdev_priv(netdev);
884 struct i40e_pf *pf = np->vsi->back;
885
886 if (I40E_DEBUG_USER & data)
887 pf->hw.debug_mask = data;
888 pf->msg_enable = data;
889}
890
891static int i40e_get_regs_len(struct net_device *netdev)
892{
893 int reg_count = 0;
894 int i;
895
896 for (i = 0; i40e_reg_list[i].offset != 0; i++)
897 reg_count += i40e_reg_list[i].elements;
898
899 return reg_count * sizeof(u32);
900}
901
902static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
903 void *p)
904{
905 struct i40e_netdev_priv *np = netdev_priv(netdev);
906 struct i40e_pf *pf = np->vsi->back;
907 struct i40e_hw *hw = &pf->hw;
908 u32 *reg_buf = p;
909 int i, j, ri;
910 u32 reg;
911
912 /* Tell ethtool which driver-version-specific regs output we have.
913 *
914 * At some point, if we have ethtool doing special formatting of
915 * this data, it will rely on this version number to know how to
916 * interpret things. Hence, this needs to be updated if/when the
917 * diags register table is changed.
918 */
919 regs->version = 1;
920
921 /* loop through the diags reg table for what to print */
922 ri = 0;
923 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
924 for (j = 0; j < i40e_reg_list[i].elements; j++) {
925 reg = i40e_reg_list[i].offset
926 + (j * i40e_reg_list[i].stride);
927 reg_buf[ri++] = rd32(hw, reg);
928 }
929 }
930
931}
932
933static int i40e_get_eeprom(struct net_device *netdev,
934 struct ethtool_eeprom *eeprom, u8 *bytes)
935{
936 struct i40e_netdev_priv *np = netdev_priv(netdev);
937 struct i40e_hw *hw = &np->vsi->back->hw;
e5e0a5db 938 struct i40e_pf *pf = np->vsi->back;
c150a502 939 int ret_val = 0, len, offset;
e5e0a5db
ASJ		 940 u8 *eeprom_buff;
941 u16 i, sectors;
942 bool last;
cd552cb4
SN		 943 u32 magic;
944
e5e0a5db 945#define I40E_NVM_SECTOR_SIZE 4096
c7d05ca8
JB		 946 if (eeprom->len == 0)
947 return -EINVAL;
948
cd552cb4
SN		 949 /* check for NVMUpdate access method */
950 magic = hw->vendor_id | (hw->device_id << 16);
951 if (eeprom->magic && eeprom->magic != magic) {
c150a502 952 struct i40e_nvm_access *cmd;
cd552cb4
SN		 953 int errno;
954
955 /* make sure it is the right magic for NVMUpdate */
956 if ((eeprom->magic >> 16) != hw->device_id)
957 return -EINVAL;
958
c150a502
SN		 959 cmd = (struct i40e_nvm_access *)eeprom;
960 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
29a0645c
SN		 961 if (ret_val &&
962 ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
963 (hw->debug_mask & I40E_DEBUG_NVM)))
cd552cb4 964 dev_info(&pf->pdev->dev,
c150a502
SN		 965 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
966 ret_val, hw->aq.asq_last_status, errno,
967 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
968 cmd->offset, cmd->data_size);
cd552cb4
SN		 969
970 return errno;
971 }
972
973 /* normal ethtool get_eeprom support */
c7d05ca8
JB		 974 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
975
e5e0a5db 976 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
c7d05ca8
JB		 977 if (!eeprom_buff)
978 return -ENOMEM;
979
e5e0a5db
ASJ		 980 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
981 if (ret_val) {
982 dev_info(&pf->pdev->dev,
983 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
984 ret_val, hw->aq.asq_last_status);
985 goto free_buff;
c7d05ca8
JB		 986 }
987
e5e0a5db
ASJ		 988 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
989 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
990 len = I40E_NVM_SECTOR_SIZE;
991 last = false;
992 for (i = 0; i < sectors; i++) {
993 if (i == (sectors - 1)) {
994 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
995 last = true;
996 }
c150a502
SN		 997 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
998 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
cd552cb4 999 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
e5e0a5db 1000 last, NULL);
c150a502 1001 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
e5e0a5db 1002 dev_info(&pf->pdev->dev,
c150a502
SN		 1003 "read NVM failed, invalid offset 0x%x\n",
1004 offset);
1005 break;
1006 } else if (ret_val &&
1007 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1008 dev_info(&pf->pdev->dev,
1009 "read NVM failed, access, offset 0x%x\n",
1010 offset);
1011 break;
1012 } else if (ret_val) {
1013 dev_info(&pf->pdev->dev,
1014 "read NVM failed offset %d err=%d status=0x%x\n",
1015 offset, ret_val, hw->aq.asq_last_status);
1016 break;
e5e0a5db
ASJ		 1017 }
1018 }
c7d05ca8 1019
e5e0a5db 1020 i40e_release_nvm(hw);
cd552cb4 1021 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
e5e0a5db 1022free_buff:
c7d05ca8 1023 kfree(eeprom_buff);
c7d05ca8
JB		 1024 return ret_val;
1025}
1026
1027static int i40e_get_eeprom_len(struct net_device *netdev)
1028{
1029 struct i40e_netdev_priv *np = netdev_priv(netdev);
1030 struct i40e_hw *hw = &np->vsi->back->hw;
e5e0a5db
ASJ		 1031 u32 val;
1032
1033 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1034 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1035 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1036 /* register returns value in power of 2, 64Kbyte chunks. */
41a1d04b 1037 val = (64 * 1024) * BIT(val);
e5e0a5db 1038 return val;
c7d05ca8
JB		 1039}
1040
cd552cb4
SN		 1041static int i40e_set_eeprom(struct net_device *netdev,
1042 struct ethtool_eeprom *eeprom, u8 *bytes)
1043{
1044 struct i40e_netdev_priv *np = netdev_priv(netdev);
1045 struct i40e_hw *hw = &np->vsi->back->hw;
1046 struct i40e_pf *pf = np->vsi->back;
c150a502 1047 struct i40e_nvm_access *cmd;
cd552cb4
SN		 1048 int ret_val = 0;
1049 int errno;
1050 u32 magic;
1051
1052 /* normal ethtool set_eeprom is not supported */
1053 magic = hw->vendor_id | (hw->device_id << 16);
1054 if (eeprom->magic == magic)
1055 return -EOPNOTSUPP;
1056
1057 /* check for NVMUpdate access method */
1058 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1059 return -EINVAL;
1060
1061 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1062 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1063 return -EBUSY;
1064
c150a502
SN		 1065 cmd = (struct i40e_nvm_access *)eeprom;
1066 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
29a0645c
SN		 1067 if (ret_val &&
1068 ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
1069 hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
1070 (hw->debug_mask & I40E_DEBUG_NVM)))
cd552cb4 1071 dev_info(&pf->pdev->dev,
c150a502
SN		 1072 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1073 ret_val, hw->aq.asq_last_status, errno,
1074 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1075 cmd->offset, cmd->data_size);
cd552cb4
SN		 1076
1077 return errno;
1078}
1079
c7d05ca8
JB		 1080static void i40e_get_drvinfo(struct net_device *netdev,
1081 struct ethtool_drvinfo *drvinfo)
1082{
1083 struct i40e_netdev_priv *np = netdev_priv(netdev);
1084 struct i40e_vsi *vsi = np->vsi;
1085 struct i40e_pf *pf = vsi->back;
1086
1087 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1088 strlcpy(drvinfo->version, i40e_driver_version_str,
1089 sizeof(drvinfo->version));
1090 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
1091 sizeof(drvinfo->fw_version));
1092 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1093 sizeof(drvinfo->bus_info));
7e45ab44 1094 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
c7d05ca8
JB		 1095}
1096
1097static void i40e_get_ringparam(struct net_device *netdev,
1098 struct ethtool_ringparam *ring)
1099{
1100 struct i40e_netdev_priv *np = netdev_priv(netdev);
1101 struct i40e_pf *pf = np->vsi->back;
1102 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1103
1104 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1105 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1106 ring->rx_mini_max_pending = 0;
1107 ring->rx_jumbo_max_pending = 0;
9f65e15b
AD		 1108 ring->rx_pending = vsi->rx_rings[0]->count;
1109 ring->tx_pending = vsi->tx_rings[0]->count;
c7d05ca8
JB		 1110 ring->rx_mini_pending = 0;
1111 ring->rx_jumbo_pending = 0;
1112}
1113
1114static int i40e_set_ringparam(struct net_device *netdev,
1115 struct ethtool_ringparam *ring)
1116{
1117 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1118 struct i40e_netdev_priv *np = netdev_priv(netdev);
1119 struct i40e_vsi *vsi = np->vsi;
1120 struct i40e_pf *pf = vsi->back;
1121 u32 new_rx_count, new_tx_count;
1122 int i, err = 0;
1123
1124 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1125 return -EINVAL;
1126
1fa18370
SN		 1127 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1128 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1129 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1130 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1131 netdev_info(netdev,
1132 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1133 ring->tx_pending, ring->rx_pending,
1134 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1135 return -EINVAL;
1136 }
1137
1138 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1139 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
c7d05ca8
JB		 1140
1141 /* if nothing to do return success */
9f65e15b
AD		 1142 if ((new_tx_count == vsi->tx_rings[0]->count) &&
1143 (new_rx_count == vsi->rx_rings[0]->count))
c7d05ca8
JB		 1144 return 0;
1145
1146 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1147 usleep_range(1000, 2000);
1148
1149 if (!netif_running(vsi->netdev)) {
1150 /* simple case - set for the next time the netdev is started */
1151 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 1152 vsi->tx_rings[i]->count = new_tx_count;
1153 vsi->rx_rings[i]->count = new_rx_count;
c7d05ca8
JB		 1154 }
1155 goto done;
1156 }
1157
1158 /* We can't just free everything and then setup again,
1159 * because the ISRs in MSI-X mode get passed pointers
1160 * to the Tx and Rx ring structs.
1161 */
1162
1163 /* alloc updated Tx resources */
9f65e15b 1164 if (new_tx_count != vsi->tx_rings[0]->count) {
c7d05ca8
JB		 1165 netdev_info(netdev,
1166 "Changing Tx descriptor count from %d to %d.\n",
9f65e15b 1167 vsi->tx_rings[0]->count, new_tx_count);
c7d05ca8
JB		 1168 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1169 sizeof(struct i40e_ring), GFP_KERNEL);
1170 if (!tx_rings) {
1171 err = -ENOMEM;
1172 goto done;
1173 }
1174
1175 for (i = 0; i < vsi->num_queue_pairs; i++) {
1176 /* clone ring and setup updated count */
9f65e15b 1177 tx_rings[i] = *vsi->tx_rings[i];
c7d05ca8 1178 tx_rings[i].count = new_tx_count;
1e8efb42
JB		 1179 /* the desc and bi pointers will be reallocated in the
1180 * setup call
1181 */
1182 tx_rings[i].desc = NULL;
1183 tx_rings[i].rx_bi = NULL;
c7d05ca8
JB		 1184 err = i40e_setup_tx_descriptors(&tx_rings[i]);
1185 if (err) {
1186 while (i) {
1187 i--;
1188 i40e_free_tx_resources(&tx_rings[i]);
1189 }
1190 kfree(tx_rings);
1191 tx_rings = NULL;
1192
1193 goto done;
1194 }
1195 }
1196 }
1197
1198 /* alloc updated Rx resources */
9f65e15b 1199 if (new_rx_count != vsi->rx_rings[0]->count) {
c7d05ca8
JB		 1200 netdev_info(netdev,
1201 "Changing Rx descriptor count from %d to %d\n",
9f65e15b 1202 vsi->rx_rings[0]->count, new_rx_count);
c7d05ca8
JB		 1203 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1204 sizeof(struct i40e_ring), GFP_KERNEL);
1205 if (!rx_rings) {
1206 err = -ENOMEM;
1207 goto free_tx;
1208 }
1209
1210 for (i = 0; i < vsi->num_queue_pairs; i++) {
1211 /* clone ring and setup updated count */
9f65e15b 1212 rx_rings[i] = *vsi->rx_rings[i];
c7d05ca8 1213 rx_rings[i].count = new_rx_count;
1e8efb42
JB		 1214 /* the desc and bi pointers will be reallocated in the
1215 * setup call
1216 */
1217 rx_rings[i].desc = NULL;
1218 rx_rings[i].rx_bi = NULL;
c7d05ca8
JB		 1219 err = i40e_setup_rx_descriptors(&rx_rings[i]);
1220 if (err) {
1221 while (i) {
1222 i--;
1223 i40e_free_rx_resources(&rx_rings[i]);
1224 }
1225 kfree(rx_rings);
1226 rx_rings = NULL;
1227
1228 goto free_tx;
1229 }
1230 }
1231 }
1232
1233 /* Bring interface down, copy in the new ring info,
1234 * then restore the interface
1235 */
1236 i40e_down(vsi);
1237
1238 if (tx_rings) {
1239 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 1240 i40e_free_tx_resources(vsi->tx_rings[i]);
1241 *vsi->tx_rings[i] = tx_rings[i];
c7d05ca8
JB		 1242 }
1243 kfree(tx_rings);
1244 tx_rings = NULL;
1245 }
1246
1247 if (rx_rings) {
1248 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 1249 i40e_free_rx_resources(vsi->rx_rings[i]);
1250 *vsi->rx_rings[i] = rx_rings[i];
c7d05ca8
JB		 1251 }
1252 kfree(rx_rings);
1253 rx_rings = NULL;
1254 }
1255
1256 i40e_up(vsi);
1257
1258free_tx:
1259 /* error cleanup if the Rx allocations failed after getting Tx */
1260 if (tx_rings) {
1261 for (i = 0; i < vsi->num_queue_pairs; i++)
1262 i40e_free_tx_resources(&tx_rings[i]);
1263 kfree(tx_rings);
1264 tx_rings = NULL;
1265 }
1266
1267done:
1268 clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1269
1270 return err;
1271}
1272
1273static int i40e_get_sset_count(struct net_device *netdev, int sset)
1274{
1275 struct i40e_netdev_priv *np = netdev_priv(netdev);
1276 struct i40e_vsi *vsi = np->vsi;
1277 struct i40e_pf *pf = vsi->back;
1278
1279 switch (sset) {
1280 case ETH_SS_TEST:
1281 return I40E_TEST_LEN;
1282 case ETH_SS_STATS:
58ce5175 1283 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
8eab9cfd
SN		 1284 int len = I40E_PF_STATS_LEN(netdev);
1285
d1a8d275
ASJ		 1286 if ((pf->lan_veb != I40E_NO_VEB) &&
1287 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
fe860afb 1288 len += I40E_VEB_STATS_TOTAL;
8eab9cfd
SN		 1289 return len;
1290 } else {
c7d05ca8 1291 return I40E_VSI_STATS_LEN(netdev);
8eab9cfd 1292 }
7e45ab44
GR		 1293 case ETH_SS_PRIV_FLAGS:
1294 return I40E_PRIV_FLAGS_STR_LEN;
c7d05ca8
JB		 1295 default:
1296 return -EOPNOTSUPP;
1297 }
1298}
1299
1300static void i40e_get_ethtool_stats(struct net_device *netdev,
1301 struct ethtool_stats *stats, u64 *data)
1302{
1303 struct i40e_netdev_priv *np = netdev_priv(netdev);
e7046ee1 1304 struct i40e_ring *tx_ring, *rx_ring;
c7d05ca8
JB		 1305 struct i40e_vsi *vsi = np->vsi;
1306 struct i40e_pf *pf = vsi->back;
1307 int i = 0;
1308 char *p;
1309 int j;
1310 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
980e9b11 1311 unsigned int start;
c7d05ca8
JB		 1312
1313 i40e_update_stats(vsi);
1314
1315 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1316 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1317 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1318 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1319 }
41a9e55c
SN		 1320 for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1321 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1322 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1323 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1324 }
38e00438
VD		 1325#ifdef I40E_FCOE
1326 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1327 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1328 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1329 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1330 }
1331#endif
980e9b11 1332 rcu_read_lock();
99c472a3 1333 for (j = 0; j < vsi->num_queue_pairs; j++) {
e7046ee1 1334 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
980e9b11
AD		 1335
1336 if (!tx_ring)
1337 continue;
1338
1339 /* process Tx ring statistics */
1340 do {
57a7744e 1341 start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
980e9b11
AD		 1342 data[i] = tx_ring->stats.packets;
1343 data[i + 1] = tx_ring->stats.bytes;
57a7744e 1344 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
99c472a3 1345 i += 2;
980e9b11
AD		 1346
1347 /* Rx ring is the 2nd half of the queue pair */
1348 rx_ring = &tx_ring[1];
1349 do {
57a7744e 1350 start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
99c472a3
CS		 1351 data[i] = rx_ring->stats.packets;
1352 data[i + 1] = rx_ring->stats.bytes;
57a7744e 1353 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
99c472a3 1354 i += 2;
c7d05ca8 1355 }
980e9b11 1356 rcu_read_unlock();
58ce5175 1357 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
8eab9cfd
SN		 1358 return;
1359
d1a8d275
ASJ		 1360 if ((pf->lan_veb != I40E_NO_VEB) &&
1361 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
8eab9cfd
SN		 1362 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1363 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1364 p = (char *)veb;
1365 p += i40e_gstrings_veb_stats[j].stat_offset;
1366 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1367 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
c7d05ca8 1368 }
c7d05ca8 1369 }
8eab9cfd
SN		 1370 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1371 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1372 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1373 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1374 }
1375 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1376 data[i++] = pf->stats.priority_xon_tx[j];
1377 data[i++] = pf->stats.priority_xoff_tx[j];
1378 }
1379 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1380 data[i++] = pf->stats.priority_xon_rx[j];
1381 data[i++] = pf->stats.priority_xoff_rx[j];
1382 }
1383 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1384 data[i++] = pf->stats.priority_xon_2_xoff[j];
c7d05ca8
JB		 1385}
1386
1387static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1388 u8 *data)
1389{
1390 struct i40e_netdev_priv *np = netdev_priv(netdev);
1391 struct i40e_vsi *vsi = np->vsi;
1392 struct i40e_pf *pf = vsi->back;
1393 char *p = (char *)data;
1394 int i;
1395
1396 switch (stringset) {
1397 case ETH_SS_TEST:
1398 for (i = 0; i < I40E_TEST_LEN; i++) {
1399 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1400 data += ETH_GSTRING_LEN;
1401 }
1402 break;
1403 case ETH_SS_STATS:
1404 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1405 snprintf(p, ETH_GSTRING_LEN, "%s",
1406 i40e_gstrings_net_stats[i].stat_string);
1407 p += ETH_GSTRING_LEN;
1408 }
41a9e55c
SN		 1409 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1410 snprintf(p, ETH_GSTRING_LEN, "%s",
1411 i40e_gstrings_misc_stats[i].stat_string);
1412 p += ETH_GSTRING_LEN;
1413 }
38e00438
VD		 1414#ifdef I40E_FCOE
1415 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1416 snprintf(p, ETH_GSTRING_LEN, "%s",
1417 i40e_gstrings_fcoe_stats[i].stat_string);
1418 p += ETH_GSTRING_LEN;
1419 }
1420#endif
c7d05ca8
JB		 1421 for (i = 0; i < vsi->num_queue_pairs; i++) {
1422 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1423 p += ETH_GSTRING_LEN;
1424 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1425 p += ETH_GSTRING_LEN;
c7d05ca8
JB		 1426 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1427 p += ETH_GSTRING_LEN;
1428 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1429 p += ETH_GSTRING_LEN;
1430 }
58ce5175 1431 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
8eab9cfd
SN		 1432 return;
1433
d1a8d275
ASJ		 1434 if ((pf->lan_veb != I40E_NO_VEB) &&
1435 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
8eab9cfd
SN		 1436 for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1437 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1438 i40e_gstrings_veb_stats[i].stat_string);
c7d05ca8
JB		 1439 p += ETH_GSTRING_LEN;
1440 }
fe860afb
NP		 1441 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1442 snprintf(p, ETH_GSTRING_LEN,
1443 "veb.tc_%u_tx_packets", i);
1444 p += ETH_GSTRING_LEN;
1445 snprintf(p, ETH_GSTRING_LEN,
1446 "veb.tc_%u_tx_bytes", i);
1447 p += ETH_GSTRING_LEN;
1448 snprintf(p, ETH_GSTRING_LEN,
1449 "veb.tc_%u_rx_packets", i);
1450 p += ETH_GSTRING_LEN;
1451 snprintf(p, ETH_GSTRING_LEN,
1452 "veb.tc_%u_rx_bytes", i);
1453 p += ETH_GSTRING_LEN;
1454 }
c7d05ca8 1455 }
8eab9cfd
SN		 1456 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1457 snprintf(p, ETH_GSTRING_LEN, "port.%s",
1458 i40e_gstrings_stats[i].stat_string);
1459 p += ETH_GSTRING_LEN;
1460 }
1461 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1462 snprintf(p, ETH_GSTRING_LEN,
1463 "port.tx_priority_%u_xon", i);
1464 p += ETH_GSTRING_LEN;
1465 snprintf(p, ETH_GSTRING_LEN,
1466 "port.tx_priority_%u_xoff", i);
1467 p += ETH_GSTRING_LEN;
1468 }
1469 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1470 snprintf(p, ETH_GSTRING_LEN,
1471 "port.rx_priority_%u_xon", i);
1472 p += ETH_GSTRING_LEN;
1473 snprintf(p, ETH_GSTRING_LEN,
1474 "port.rx_priority_%u_xoff", i);
1475 p += ETH_GSTRING_LEN;
1476 }
1477 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1478 snprintf(p, ETH_GSTRING_LEN,
1479 "port.rx_priority_%u_xon_2_xoff", i);
1480 p += ETH_GSTRING_LEN;
1481 }
c7d05ca8
JB		 1482 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1483 break;
7e45ab44
GR		 1484 case ETH_SS_PRIV_FLAGS:
1485 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1486 memcpy(data, i40e_priv_flags_strings[i],
1487 ETH_GSTRING_LEN);
1488 data += ETH_GSTRING_LEN;
1489 }
1490 break;
579b23d8
AA		 1491 default:
1492 break;
c7d05ca8
JB		 1493 }
1494}
1495
1496static int i40e_get_ts_info(struct net_device *dev,
1497 struct ethtool_ts_info *info)
1498{
beb0dff1
JK		 1499 struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1500
fe88bda9
JK		 1501 /* only report HW timestamping if PTP is enabled */
1502 if (!(pf->flags & I40E_FLAG_PTP))
1503 return ethtool_op_get_ts_info(dev, info);
1504
beb0dff1
JK		 1505 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1506 SOF_TIMESTAMPING_RX_SOFTWARE |
1507 SOF_TIMESTAMPING_SOFTWARE |
1508 SOF_TIMESTAMPING_TX_HARDWARE |
1509 SOF_TIMESTAMPING_RX_HARDWARE |
1510 SOF_TIMESTAMPING_RAW_HARDWARE;
1511
1512 if (pf->ptp_clock)
1513 info->phc_index = ptp_clock_index(pf->ptp_clock);
1514 else
1515 info->phc_index = -1;
1516
41a1d04b 1517 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
beb0dff1 1518
41a1d04b
JB		 1519 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1520 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1521 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
beb0dff1
JK		 1522
1523 return 0;
c7d05ca8
JB		 1524}
1525
7b086397 1526static int i40e_link_test(struct net_device *netdev, u64 *data)
c7d05ca8 1527{
7b086397
SN		 1528 struct i40e_netdev_priv *np = netdev_priv(netdev);
1529 struct i40e_pf *pf = np->vsi->back;
a72a5abc
JB		 1530 i40e_status status;
1531 bool link_up = false;
7b086397 1532
b03aaa9c 1533 netif_info(pf, hw, netdev, "link test\n");
a72a5abc
JB		 1534 status = i40e_get_link_status(&pf->hw, &link_up);
1535 if (status) {
1536 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1537 *data = 1;
1538 return *data;
1539 }
1540
1541 if (link_up)
c7d05ca8
JB		 1542 *data = 0;
1543 else
1544 *data = 1;
1545
1546 return *data;
1547}
1548
7b086397 1549static int i40e_reg_test(struct net_device *netdev, u64 *data)
c7d05ca8 1550{
7b086397
SN		 1551 struct i40e_netdev_priv *np = netdev_priv(netdev);
1552 struct i40e_pf *pf = np->vsi->back;
c7d05ca8 1553
b03aaa9c 1554 netif_info(pf, hw, netdev, "register test\n");
7b086397 1555 *data = i40e_diag_reg_test(&pf->hw);
c7d05ca8 1556
7b086397 1557 return *data;
c7d05ca8
JB		 1558}
1559
7b086397 1560static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
c7d05ca8 1561{
7b086397
SN		 1562 struct i40e_netdev_priv *np = netdev_priv(netdev);
1563 struct i40e_pf *pf = np->vsi->back;
c7d05ca8 1564
b03aaa9c 1565 netif_info(pf, hw, netdev, "eeprom test\n");
7b086397 1566 *data = i40e_diag_eeprom_test(&pf->hw);
c7d05ca8 1567
4443ec94
SN		 1568 /* forcebly clear the NVM Update state machine */
1569 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1570
7b086397 1571 return *data;
c7d05ca8
JB		 1572}
1573
7b086397 1574static int i40e_intr_test(struct net_device *netdev, u64 *data)
c7d05ca8 1575{
7b086397
SN		 1576 struct i40e_netdev_priv *np = netdev_priv(netdev);
1577 struct i40e_pf *pf = np->vsi->back;
cd92e72f
SN		 1578 u16 swc_old = pf->sw_int_count;
1579
b03aaa9c 1580 netif_info(pf, hw, netdev, "interrupt test\n");
cd92e72f
SN		 1581 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1582 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
5d1ff106
SN		 1583 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1584 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1585 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1586 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
cd92e72f
SN		 1587 usleep_range(1000, 2000);
1588 *data = (swc_old == pf->sw_int_count);
c7d05ca8
JB		 1589
1590 return *data;
1591}
1592
7b086397 1593static int i40e_loopback_test(struct net_device *netdev, u64 *data)
c7d05ca8 1594{
b03aaa9c
SN		 1595 struct i40e_netdev_priv *np = netdev_priv(netdev);
1596 struct i40e_pf *pf = np->vsi->back;
1597
1598 netif_info(pf, hw, netdev, "loopback test not implemented\n");
cd92e72f 1599 *data = 0;
c7d05ca8
JB		 1600
1601 return *data;
1602}
1603
e17bc411
GR		 1604static inline bool i40e_active_vfs(struct i40e_pf *pf)
1605{
1606 struct i40e_vf *vfs = pf->vf;
1607 int i;
1608
1609 for (i = 0; i < pf->num_alloc_vfs; i++)
1610 if (vfs[i].vf_states & I40E_VF_STAT_ACTIVE)
1611 return true;
1612 return false;
1613}
1614
510efb26
GR		 1615static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1616{
1617 struct i40e_vsi **vsi = pf->vsi;
1618 int i;
1619
1620 for (i = 0; i < pf->num_alloc_vsi; i++) {
1621 if (!vsi[i])
1622 continue;
1623 if (vsi[i]->type == I40E_VSI_VMDQ2)
1624 return true;
1625 }
1626
1627 return false;
1628}
1629
c7d05ca8
JB		 1630static void i40e_diag_test(struct net_device *netdev,
1631 struct ethtool_test *eth_test, u64 *data)
1632{
1633 struct i40e_netdev_priv *np = netdev_priv(netdev);
5b86c5cf 1634 bool if_running = netif_running(netdev);
c7d05ca8
JB		 1635 struct i40e_pf *pf = np->vsi->back;
1636
c7d05ca8
JB		 1637 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1638 /* Offline tests */
b03aaa9c 1639 netif_info(pf, drv, netdev, "offline testing starting\n");
c7d05ca8 1640
f551b438 1641 set_bit(__I40E_TESTING, &pf->state);
e17bc411 1642
510efb26 1643 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
e17bc411 1644 dev_warn(&pf->pdev->dev,
510efb26 1645 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
e17bc411
GR		 1646 data[I40E_ETH_TEST_REG] = 1;
1647 data[I40E_ETH_TEST_EEPROM] = 1;
1648 data[I40E_ETH_TEST_INTR] = 1;
1649 data[I40E_ETH_TEST_LOOPBACK] = 1;
1650 data[I40E_ETH_TEST_LINK] = 1;
1651 eth_test->flags |= ETH_TEST_FL_FAILED;
1652 clear_bit(__I40E_TESTING, &pf->state);
1653 goto skip_ol_tests;
1654 }
1655
5b86c5cf
GR		 1656 /* If the device is online then take it offline */
1657 if (if_running)
1658 /* indicate we're in test mode */
1659 dev_close(netdev);
1660 else
b4e53f02
GR		 1661 /* This reset does not affect link - if it is
1662 * changed to a type of reset that does affect
1663 * link then the following link test would have
1664 * to be moved to before the reset
1665 */
41a1d04b 1666 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
f551b438 1667
7b086397 1668 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
c7d05ca8
JB		 1669 eth_test->flags |= ETH_TEST_FL_FAILED;
1670
7b086397 1671 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
c7d05ca8
JB		 1672 eth_test->flags |= ETH_TEST_FL_FAILED;
1673
7b086397 1674 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
c7d05ca8
JB		 1675 eth_test->flags |= ETH_TEST_FL_FAILED;
1676
7b086397 1677 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
c7d05ca8
JB		 1678 eth_test->flags |= ETH_TEST_FL_FAILED;
1679
f551b438
SN		 1680 /* run reg test last, a reset is required after it */
1681 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1682 eth_test->flags |= ETH_TEST_FL_FAILED;
1683
1684 clear_bit(__I40E_TESTING, &pf->state);
41a1d04b 1685 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
5b86c5cf
GR		 1686
1687 if (if_running)
1688 dev_open(netdev);
c7d05ca8 1689 } else {
c7d05ca8 1690 /* Online tests */
b03aaa9c
SN		 1691 netif_info(pf, drv, netdev, "online testing starting\n");
1692
7b086397 1693 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
c7d05ca8
JB		 1694 eth_test->flags |= ETH_TEST_FL_FAILED;
1695
1696 /* Offline only tests, not run in online; pass by default */
1697 data[I40E_ETH_TEST_REG] = 0;
1698 data[I40E_ETH_TEST_EEPROM] = 0;
1699 data[I40E_ETH_TEST_INTR] = 0;
1700 data[I40E_ETH_TEST_LOOPBACK] = 0;
c7d05ca8 1701 }
c140c17b 1702
e17bc411
GR		 1703skip_ol_tests:
1704
b03aaa9c 1705 netif_info(pf, drv, netdev, "testing finished\n");
c7d05ca8
JB		 1706}
1707
1708static void i40e_get_wol(struct net_device *netdev,
1709 struct ethtool_wolinfo *wol)
1710{
8e2773ae
SN		 1711 struct i40e_netdev_priv *np = netdev_priv(netdev);
1712 struct i40e_pf *pf = np->vsi->back;
1713 struct i40e_hw *hw = &pf->hw;
1714 u16 wol_nvm_bits;
1715
1716 /* NVM bit on means WoL disabled for the port */
1717 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
41a1d04b 1718 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
8e2773ae
SN		 1719 wol->supported = 0;
1720 wol->wolopts = 0;
1721 } else {
1722 wol->supported = WAKE_MAGIC;
1723 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1724 }
1725}
1726
f0d8c733
SN		 1727/**
1728 * i40e_set_wol - set the WakeOnLAN configuration
1729 * @netdev: the netdev in question
1730 * @wol: the ethtool WoL setting data
1731 **/
8e2773ae
SN		 1732static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1733{
1734 struct i40e_netdev_priv *np = netdev_priv(netdev);
1735 struct i40e_pf *pf = np->vsi->back;
f0d8c733 1736 struct i40e_vsi *vsi = np->vsi;
8e2773ae
SN		 1737 struct i40e_hw *hw = &pf->hw;
1738 u16 wol_nvm_bits;
1739
f0d8c733
SN		 1740 /* WoL not supported if this isn't the controlling PF on the port */
1741 if (hw->partition_id != 1) {
1742 i40e_partition_setting_complaint(pf);
1743 return -EOPNOTSUPP;
1744 }
1745
1746 if (vsi != pf->vsi[pf->lan_vsi])
1747 return -EOPNOTSUPP;
1748
8e2773ae
SN		 1749 /* NVM bit on means WoL disabled for the port */
1750 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
41a1d04b 1751 if (BIT(hw->port) & wol_nvm_bits)
8e2773ae
SN		 1752 return -EOPNOTSUPP;
1753
1754 /* only magic packet is supported */
1755 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1756 return -EOPNOTSUPP;
1757
1758 /* is this a new value? */
1759 if (pf->wol_en != !!wol->wolopts) {
1760 pf->wol_en = !!wol->wolopts;
1761 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1762 }
1763
c7d05ca8
JB		 1764 return 0;
1765}
1766
1767static int i40e_set_phys_id(struct net_device *netdev,
1768 enum ethtool_phys_id_state state)
1769{
1770 struct i40e_netdev_priv *np = netdev_priv(netdev);
1771 struct i40e_pf *pf = np->vsi->back;
1772 struct i40e_hw *hw = &pf->hw;
1773 int blink_freq = 2;
1774
1775 switch (state) {
1776 case ETHTOOL_ID_ACTIVE:
1777 pf->led_status = i40e_led_get(hw);
1778 return blink_freq;
1779 case ETHTOOL_ID_ON:
0556a9e3 1780 i40e_led_set(hw, 0xF, false);
c7d05ca8
JB		 1781 break;
1782 case ETHTOOL_ID_OFF:
0556a9e3 1783 i40e_led_set(hw, 0x0, false);
c7d05ca8
JB		 1784 break;
1785 case ETHTOOL_ID_INACTIVE:
0556a9e3 1786 i40e_led_set(hw, pf->led_status, false);
c7d05ca8 1787 break;
579b23d8
AA		 1788 default:
1789 break;
c7d05ca8
JB		 1790 }
1791
1792 return 0;
1793}
1794
1795/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1796 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1797 * 125us (8000 interrupts per second) == ITR(62)
1798 */
1799
1800static int i40e_get_coalesce(struct net_device *netdev,
1801 struct ethtool_coalesce *ec)
1802{
1803 struct i40e_netdev_priv *np = netdev_priv(netdev);
1804 struct i40e_vsi *vsi = np->vsi;
1805
1806 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1807 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1808
1809 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
32f5f54a 1810 ec->use_adaptive_rx_coalesce = 1;
c7d05ca8
JB		 1811
1812 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
32f5f54a
MW		 1813 ec->use_adaptive_tx_coalesce = 1;
1814
1815 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1816 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
c7d05ca8
JB		 1817
1818 return 0;
1819}
1820
1821static int i40e_set_coalesce(struct net_device *netdev,
1822 struct ethtool_coalesce *ec)
1823{
1824 struct i40e_netdev_priv *np = netdev_priv(netdev);
1825 struct i40e_q_vector *q_vector;
1826 struct i40e_vsi *vsi = np->vsi;
1827 struct i40e_pf *pf = vsi->back;
1828 struct i40e_hw *hw = &pf->hw;
1829 u16 vector;
1830 int i;
1831
1832 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1833 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1834
5c2cebda 1835 vector = vsi->base_vector;
32f5f54a 1836 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
5c2cebda 1837 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
c7d05ca8 1838 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
5c2cebda
CW		 1839 } else if (ec->rx_coalesce_usecs == 0) {
1840 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
5c2cebda 1841 if (ec->use_adaptive_rx_coalesce)
79442d38 1842 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
5c2cebda 1843 } else {
79442d38 1844 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
32f5f54a 1845 return -EINVAL;
5c2cebda 1846 }
c7d05ca8 1847
32f5f54a 1848 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
5c2cebda 1849 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
c7d05ca8 1850 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
5c2cebda
CW		 1851 } else if (ec->tx_coalesce_usecs == 0) {
1852 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
5c2cebda 1853 if (ec->use_adaptive_tx_coalesce)
79442d38 1854 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
5c2cebda
CW		 1855 } else {
1856 netif_info(pf, drv, netdev,
79442d38 1857 "Invalid value, tx-usecs range is 0-8160\n");
32f5f54a 1858 return -EINVAL;
5c2cebda 1859 }
32f5f54a
MW		 1860
1861 if (ec->use_adaptive_rx_coalesce)
1862 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1863 else
1864 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1865
1866 if (ec->use_adaptive_tx_coalesce)
1867 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1868 else
1869 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
c7d05ca8 1870
493fb300
AD		 1871 for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1872 q_vector = vsi->q_vectors[i];
c7d05ca8
JB		 1873 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1874 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1875 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1876 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1877 i40e_flush(hw);
1878 }
1879
1880 return 0;
1881}
1882
1883/**
1884 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1885 * @pf: pointer to the physical function struct
1886 * @cmd: ethtool rxnfc command
1887 *
1888 * Returns Success if the flow is supported, else Invalid Input.
1889 **/
1890static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1891{
1892 cmd->data = 0;
1893
88eee9bc
CW		 1894 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1895 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1896 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1897 return 0;
1898 }
c7d05ca8
JB		 1899 /* Report default options for RSS on i40e */
1900 switch (cmd->flow_type) {
1901 case TCP_V4_FLOW:
1902 case UDP_V4_FLOW:
1903 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1904 /* fall through to add IP fields */
1905 case SCTP_V4_FLOW:
1906 case AH_ESP_V4_FLOW:
1907 case AH_V4_FLOW:
1908 case ESP_V4_FLOW:
1909 case IPV4_FLOW:
1910 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1911 break;
1912 case TCP_V6_FLOW:
1913 case UDP_V6_FLOW:
1914 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1915 /* fall through to add IP fields */
1916 case SCTP_V6_FLOW:
1917 case AH_ESP_V6_FLOW:
1918 case AH_V6_FLOW:
1919 case ESP_V6_FLOW:
1920 case IPV6_FLOW:
1921 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1922 break;
1923 default:
1924 return -EINVAL;
1925 }
1926
1927 return 0;
1928}
1929
17a73f6b
JG		 1930/**
1931 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1932 * @pf: Pointer to the physical function struct
1933 * @cmd: The command to get or set Rx flow classification rules
1934 * @rule_locs: Array of used rule locations
1935 *
1936 * This function populates both the total and actual rule count of
1937 * the ethtool flow classification command
1938 *
1939 * Returns 0 on success or -EMSGSIZE if entry not found
1940 **/
1941static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
1942 struct ethtool_rxnfc *cmd,
1943 u32 *rule_locs)
1944{
1945 struct i40e_fdir_filter *rule;
1946 struct hlist_node *node2;
1947 int cnt = 0;
1948
1949 /* report total rule count */
082def10 1950 cmd->data = i40e_get_fd_cnt_all(pf);
17a73f6b
JG		 1951
1952 hlist_for_each_entry_safe(rule, node2,
1953 &pf->fdir_filter_list, fdir_node) {
1954 if (cnt == cmd->rule_cnt)
1955 return -EMSGSIZE;
1956
1957 rule_locs[cnt] = rule->fd_id;
1958 cnt++;
1959 }
1960
1961 cmd->rule_cnt = cnt;
1962
1963 return 0;
1964}
1965
1966/**
1967 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
1968 * @pf: Pointer to the physical function struct
1969 * @cmd: The command to get or set Rx flow classification rules
1970 *
1971 * This function looks up a filter based on the Rx flow classification
1972 * command and fills the flow spec info for it if found
1973 *
1974 * Returns 0 on success or -EINVAL if filter not found
1975 **/
1976static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
1977 struct ethtool_rxnfc *cmd)
1978{
1979 struct ethtool_rx_flow_spec *fsp =
1980 (struct ethtool_rx_flow_spec *)&cmd->fs;
1981 struct i40e_fdir_filter *rule = NULL;
1982 struct hlist_node *node2;
1983
17a73f6b
JG		 1984 hlist_for_each_entry_safe(rule, node2,
1985 &pf->fdir_filter_list, fdir_node) {
1986 if (fsp->location <= rule->fd_id)
1987 break;
1988 }
1989
1990 if (!rule || fsp->location != rule->fd_id)
1991 return -EINVAL;
1992
1993 fsp->flow_type = rule->flow_type;
7d54eb2c
ASJ		 1994 if (fsp->flow_type == IP_USER_FLOW) {
1995 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
1996 fsp->h_u.usr_ip4_spec.proto = 0;
1997 fsp->m_u.usr_ip4_spec.proto = 0;
1998 }
1999
04b73bd7
ASJ		 2000 /* Reverse the src and dest notion, since the HW views them from
2001 * Tx perspective where as the user expects it from Rx filter view.
2002 */
2003 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2004 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2005 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2006 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
387ce1a9
ASJ		 2007
2008 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2009 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2010 else
2011 fsp->ring_cookie = rule->q_index;
17a73f6b 2012
e7c8c60b
ASJ		 2013 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2014 struct i40e_vsi *vsi;
2015
2016 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2017 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2018 fsp->h_ext.data[1] = htonl(vsi->vf_id);
2019 fsp->m_ext.data[1] = htonl(0x1);
2020 }
2021 }
2022
17a73f6b
JG		 2023 return 0;
2024}
2025
c7d05ca8
JB		 2026/**
2027 * i40e_get_rxnfc - command to get RX flow classification rules
2028 * @netdev: network interface device structure
2029 * @cmd: ethtool rxnfc command
2030 *
2031 * Returns Success if the command is supported.
2032 **/
2033static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2034 u32 *rule_locs)
2035{
2036 struct i40e_netdev_priv *np = netdev_priv(netdev);
2037 struct i40e_vsi *vsi = np->vsi;
2038 struct i40e_pf *pf = vsi->back;
2039 int ret = -EOPNOTSUPP;
2040
2041 switch (cmd->cmd) {
2042 case ETHTOOL_GRXRINGS:
2043 cmd->data = vsi->alloc_queue_pairs;
2044 ret = 0;
2045 break;
2046 case ETHTOOL_GRXFH:
2047 ret = i40e_get_rss_hash_opts(pf, cmd);
2048 break;
2049 case ETHTOOL_GRXCLSRLCNT:
17a73f6b 2050 cmd->rule_cnt = pf->fdir_pf_active_filters;
082def10
ASJ		 2051 /* report total rule count */
2052 cmd->data = i40e_get_fd_cnt_all(pf);
c7d05ca8
JB		 2053 ret = 0;
2054 break;
2055 case ETHTOOL_GRXCLSRULE:
17a73f6b 2056 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
c7d05ca8
JB		 2057 break;
2058 case ETHTOOL_GRXCLSRLALL:
17a73f6b
JG		 2059 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2060 break;
c7d05ca8
JB		 2061 default:
2062 break;
2063 }
2064
2065 return ret;
2066}
2067
2068/**
2069 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2070 * @pf: pointer to the physical function struct
2071 * @cmd: ethtool rxnfc command
2072 *
2073 * Returns Success if the flow input set is supported.
2074 **/
2075static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2076{
2077 struct i40e_hw *hw = &pf->hw;
2078 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2079 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2080
2081 /* RSS does not support anything other than hashing
2082 * to queues on src and dst IPs and ports
2083 */
2084 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2085 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2086 return -EINVAL;
2087
2088 /* We need at least the IP SRC and DEST fields for hashing */
2089 if (!(nfc->data & RXH_IP_SRC) ||
2090 !(nfc->data & RXH_IP_DST))
2091 return -EINVAL;
2092
2093 switch (nfc->flow_type) {
2094 case TCP_V4_FLOW:
2095 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2096 case 0:
41a1d04b 2097 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
c7d05ca8
JB		 2098 break;
2099 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
41a1d04b 2100 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
c7d05ca8
JB		 2101 break;
2102 default:
2103 return -EINVAL;
2104 }
2105 break;
2106 case TCP_V6_FLOW:
2107 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2108 case 0:
41a1d04b 2109 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
c7d05ca8
JB		 2110 break;
2111 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
41a1d04b 2112 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
c7d05ca8
JB		 2113 break;
2114 default:
2115 return -EINVAL;
2116 }
2117 break;
2118 case UDP_V4_FLOW:
2119 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2120 case 0:
41a1d04b
JB		 2121 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2122 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
c7d05ca8
JB		 2123 break;
2124 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
41a1d04b
JB		 2125 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2126 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
c7d05ca8
JB		 2127 break;
2128 default:
2129 return -EINVAL;
2130 }
2131 break;
2132 case UDP_V6_FLOW:
2133 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2134 case 0:
41a1d04b
JB		 2135 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2136 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
c7d05ca8
JB		 2137 break;
2138 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
41a1d04b
JB		 2139 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2140 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
c7d05ca8
JB		 2141 break;
2142 default:
2143 return -EINVAL;
2144 }
2145 break;
2146 case AH_ESP_V4_FLOW:
2147 case AH_V4_FLOW:
2148 case ESP_V4_FLOW:
2149 case SCTP_V4_FLOW:
2150 if ((nfc->data & RXH_L4_B_0_1) ||
2151 (nfc->data & RXH_L4_B_2_3))
2152 return -EINVAL;
41a1d04b 2153 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
c7d05ca8
JB		 2154 break;
2155 case AH_ESP_V6_FLOW:
2156 case AH_V6_FLOW:
2157 case ESP_V6_FLOW:
2158 case SCTP_V6_FLOW:
2159 if ((nfc->data & RXH_L4_B_0_1) ||
2160 (nfc->data & RXH_L4_B_2_3))
2161 return -EINVAL;
41a1d04b 2162 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
c7d05ca8
JB		 2163 break;
2164 case IPV4_FLOW:
41a1d04b
JB		 2165 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2166 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
c7d05ca8
JB		 2167 break;
2168 case IPV6_FLOW:
41a1d04b
JB		 2169 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2170 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
c7d05ca8
JB		 2171 break;
2172 default:
2173 return -EINVAL;
2174 }
2175
2176 wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2177 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2178 i40e_flush(hw);
2179
88eee9bc
CW		 2180 /* Save setting for future output/update */
2181 pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2182
c7d05ca8
JB		 2183 return 0;
2184}
2185
43fddb75
ASJ		 2186/**
2187 * i40e_match_fdir_input_set - Match a new filter against an existing one
2188 * @rule: The filter already added
2189 * @input: The new filter to comapre against
2190 *
2191 * Returns true if the two input set match
2192 **/
2193static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2194 struct i40e_fdir_filter *input)
2195{
2196 if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2197 (rule->src_ip[0] != input->src_ip[0]) ||
2198 (rule->dst_port != input->dst_port) ||
2199 (rule->src_port != input->src_port))
2200 return false;
2201 return true;
2202}
2203
c7d05ca8 2204/**
17a73f6b
JG		 2205 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2206 * @vsi: Pointer to the targeted VSI
2207 * @input: The filter to update or NULL to indicate deletion
2208 * @sw_idx: Software index to the filter
2209 * @cmd: The command to get or set Rx flow classification rules
c7d05ca8 2210 *
17a73f6b
JG		 2211 * This function updates (or deletes) a Flow Director entry from
2212 * the hlist of the corresponding PF
2213 *
2214 * Returns 0 on success
c7d05ca8 2215 **/
17a73f6b
JG		 2216static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2217 struct i40e_fdir_filter *input,
2218 u16 sw_idx,
2219 struct ethtool_rxnfc *cmd)
c7d05ca8 2220{
17a73f6b 2221 struct i40e_fdir_filter *rule, *parent;
c7d05ca8 2222 struct i40e_pf *pf = vsi->back;
17a73f6b
JG		 2223 struct hlist_node *node2;
2224 int err = -EINVAL;
c7d05ca8 2225
17a73f6b
JG		 2226 parent = NULL;
2227 rule = NULL;
c7d05ca8 2228
17a73f6b
JG		 2229 hlist_for_each_entry_safe(rule, node2,
2230 &pf->fdir_filter_list, fdir_node) {
2231 /* hash found, or no matching entry */
2232 if (rule->fd_id >= sw_idx)
2233 break;
2234 parent = rule;
c7d05ca8
JB		 2235 }
2236
17a73f6b
JG		 2237 /* if there is an old rule occupying our place remove it */
2238 if (rule && (rule->fd_id == sw_idx)) {
43fddb75
ASJ		 2239 if (input && !i40e_match_fdir_input_set(rule, input))
2240 err = i40e_add_del_fdir(vsi, rule, false);
2241 else if (!input)
2242 err = i40e_add_del_fdir(vsi, rule, false);
17a73f6b
JG		 2243 hlist_del(&rule->fdir_node);
2244 kfree(rule);
2245 pf->fdir_pf_active_filters--;
cbf61325
ASJ		 2246 }
2247
17a73f6b
JG		 2248 /* If no input this was a delete, err should be 0 if a rule was
2249 * successfully found and removed from the list else -EINVAL
2250 */
2251 if (!input)
2252 return err;
c7d05ca8 2253
17a73f6b
JG		 2254 /* initialize node and set software index */
2255 INIT_HLIST_NODE(&input->fdir_node);
c7d05ca8 2256
17a73f6b
JG		 2257 /* add filter to the list */
2258 if (parent)
1d023284 2259 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
17a73f6b
JG		 2260 else
2261 hlist_add_head(&input->fdir_node,
2262 &pf->fdir_filter_list);
c7d05ca8 2263
17a73f6b
JG		 2264 /* update counts */
2265 pf->fdir_pf_active_filters++;
c7d05ca8 2266
17a73f6b 2267 return 0;
c7d05ca8
JB		 2268}
2269
2270/**
17a73f6b
JG		 2271 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2272 * @vsi: Pointer to the targeted VSI
2273 * @cmd: The command to get or set Rx flow classification rules
c7d05ca8 2274 *
17a73f6b
JG		 2275 * The function removes a Flow Director filter entry from the
2276 * hlist of the corresponding PF
c7d05ca8 2277 *
17a73f6b
JG		 2278 * Returns 0 on success
2279 */
2280static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2281 struct ethtool_rxnfc *cmd)
c7d05ca8 2282{
17a73f6b
JG		 2283 struct ethtool_rx_flow_spec *fsp =
2284 (struct ethtool_rx_flow_spec *)&cmd->fs;
c7d05ca8 2285 struct i40e_pf *pf = vsi->back;
17a73f6b 2286 int ret = 0;
c7d05ca8 2287
60793f4a
ASJ		 2288 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2289 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2290 return -EBUSY;
2291
1e1be8f6
ASJ		 2292 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2293 return -EBUSY;
2294
17a73f6b 2295 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
c7d05ca8 2296
55a5e60b 2297 i40e_fdir_check_and_reenable(pf);
17a73f6b 2298 return ret;
c7d05ca8
JB		 2299}
2300
2301/**
1eaa3840 2302 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
c7d05ca8
JB		 2303 * @vsi: pointer to the targeted VSI
2304 * @cmd: command to get or set RX flow classification rules
c7d05ca8 2305 *
1eaa3840
ASJ		 2306 * Add Flow Director filters for a specific flow spec based on their
2307 * protocol. Returns 0 if the filters were successfully added.
c7d05ca8 2308 **/
1eaa3840
ASJ		 2309static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2310 struct ethtool_rxnfc *cmd)
c7d05ca8 2311{
17a73f6b
JG		 2312 struct ethtool_rx_flow_spec *fsp;
2313 struct i40e_fdir_filter *input;
c7d05ca8 2314 struct i40e_pf *pf;
17a73f6b 2315 int ret = -EINVAL;
e7c8c60b 2316 u16 vf_id;
c7d05ca8
JB		 2317
2318 if (!vsi)
2319 return -EINVAL;
2320
2321 pf = vsi->back;
2322
55a5e60b
ASJ		 2323 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2324 return -EOPNOTSUPP;
2325
1eaa3840 2326 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
55a5e60b
ASJ		 2327 return -ENOSPC;
2328
60793f4a
ASJ		 2329 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2330 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2331 return -EBUSY;
2332
1e1be8f6
ASJ		 2333 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2334 return -EBUSY;
2335
55a5e60b
ASJ		 2336 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2337
17a73f6b
JG		 2338 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2339 pf->hw.func_caps.fd_filters_guaranteed)) {
c7d05ca8 2340 return -EINVAL;
17a73f6b 2341 }
c7d05ca8 2342
387ce1a9
ASJ		 2343 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2344 (fsp->ring_cookie >= vsi->num_queue_pairs))
17a73f6b 2345 return -EINVAL;
c7d05ca8 2346
17a73f6b 2347 input = kzalloc(sizeof(*input), GFP_KERNEL);
c7d05ca8 2348
17a73f6b
JG		 2349 if (!input)
2350 return -ENOMEM;
c7d05ca8 2351
17a73f6b
JG		 2352 input->fd_id = fsp->location;
2353
35a91fdd
ASJ		 2354 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2355 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2356 else
2357 input->dest_ctl =
2358 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2359
17a73f6b
JG		 2360 input->q_index = fsp->ring_cookie;
2361 input->flex_off = 0;
2362 input->pctype = 0;
2363 input->dest_vsi = vsi->id;
17a73f6b 2364 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
0bf4b1b0 2365 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
17a73f6b
JG		 2366 input->flow_type = fsp->flow_type;
2367 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
04b73bd7
ASJ		 2368
2369 /* Reverse the src and dest notion, since the HW expects them to be from
2370 * Tx perspective where as the input from user is from Rx filter view.
2371 */
2372 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2373 input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2374 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2375 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
17a73f6b 2376
e7c8c60b
ASJ		 2377 if (ntohl(fsp->m_ext.data[1])) {
2378 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2379 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2380 goto free_input;
2381 }
2382 vf_id = ntohl(fsp->h_ext.data[1]);
2383 /* Find vsi id from vf id and override dest vsi */
2384 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2385 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2386 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2387 goto free_input;
2388 }
2389 }
2390
1eaa3840 2391 ret = i40e_add_del_fdir(vsi, input, true);
e7c8c60b 2392free_input:
1eaa3840 2393 if (ret)
17a73f6b 2394 kfree(input);
17a73f6b 2395 else
1eaa3840 2396 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
c7d05ca8
JB		 2397
2398 return ret;
2399}
8fb905b3 2400
c7d05ca8
JB		 2401/**
2402 * i40e_set_rxnfc - command to set RX flow classification rules
2403 * @netdev: network interface device structure
2404 * @cmd: ethtool rxnfc command
2405 *
2406 * Returns Success if the command is supported.
2407 **/
2408static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2409{
2410 struct i40e_netdev_priv *np = netdev_priv(netdev);
2411 struct i40e_vsi *vsi = np->vsi;
2412 struct i40e_pf *pf = vsi->back;
2413 int ret = -EOPNOTSUPP;
2414
2415 switch (cmd->cmd) {
2416 case ETHTOOL_SRXFH:
2417 ret = i40e_set_rss_hash_opt(pf, cmd);
2418 break;
2419 case ETHTOOL_SRXCLSRLINS:
1eaa3840 2420 ret = i40e_add_fdir_ethtool(vsi, cmd);
c7d05ca8
JB		 2421 break;
2422 case ETHTOOL_SRXCLSRLDEL:
17a73f6b 2423 ret = i40e_del_fdir_entry(vsi, cmd);
c7d05ca8
JB		 2424 break;
2425 default:
2426 break;
2427 }
2428
2429 return ret;
2430}
2431
4b7820ca
ASJ		 2432/**
2433 * i40e_max_channels - get Max number of combined channels supported
2434 * @vsi: vsi pointer
2435 **/
2436static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2437{
2438 /* TODO: This code assumes DCB and FD is disabled for now. */
2439 return vsi->alloc_queue_pairs;
2440}
2441
2442/**
2443 * i40e_get_channels - Get the current channels enabled and max supported etc.
2444 * @netdev: network interface device structure
2445 * @ch: ethtool channels structure
2446 *
2447 * We don't support separate tx and rx queues as channels. The other count
2448 * represents how many queues are being used for control. max_combined counts
2449 * how many queue pairs we can support. They may not be mapped 1 to 1 with
2450 * q_vectors since we support a lot more queue pairs than q_vectors.
2451 **/
2452static void i40e_get_channels(struct net_device *dev,
2453 struct ethtool_channels *ch)
2454{
2455 struct i40e_netdev_priv *np = netdev_priv(dev);
2456 struct i40e_vsi *vsi = np->vsi;
2457 struct i40e_pf *pf = vsi->back;
2458
2459 /* report maximum channels */
2460 ch->max_combined = i40e_max_channels(vsi);
2461
2462 /* report info for other vector */
60ea5f83 2463 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
4b7820ca
ASJ		 2464 ch->max_other = ch->other_count;
2465
2466 /* Note: This code assumes DCB is disabled for now. */
2467 ch->combined_count = vsi->num_queue_pairs;
2468}
2469
2470/**
2471 * i40e_set_channels - Set the new channels count.
2472 * @netdev: network interface device structure
2473 * @ch: ethtool channels structure
2474 *
2475 * The new channels count may not be the same as requested by the user
2476 * since it gets rounded down to a power of 2 value.
2477 **/
2478static int i40e_set_channels(struct net_device *dev,
2479 struct ethtool_channels *ch)
2480{
2481 struct i40e_netdev_priv *np = netdev_priv(dev);
2482 unsigned int count = ch->combined_count;
2483 struct i40e_vsi *vsi = np->vsi;
2484 struct i40e_pf *pf = vsi->back;
2485 int new_count;
2486
2487 /* We do not support setting channels for any other VSI at present */
2488 if (vsi->type != I40E_VSI_MAIN)
2489 return -EINVAL;
2490
2491 /* verify they are not requesting separate vectors */
2492 if (!count || ch->rx_count || ch->tx_count)
2493 return -EINVAL;
2494
2495 /* verify other_count has not changed */
60ea5f83 2496 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
4b7820ca
ASJ		 2497 return -EINVAL;
2498
2499 /* verify the number of channels does not exceed hardware limits */
2500 if (count > i40e_max_channels(vsi))
2501 return -EINVAL;
2502
2503 /* update feature limits from largest to smallest supported values */
2504 /* TODO: Flow director limit, DCB etc */
2505
4b7820ca
ASJ		 2506 /* use rss_reconfig to rebuild with new queue count and update traffic
2507 * class queue mapping
2508 */
2509 new_count = i40e_reconfig_rss_queues(pf, count);
5f90f422 2510 if (new_count > 0)
4b7820ca
ASJ		 2511 return 0;
2512 else
2513 return -EINVAL;
2514}
2515
b29e13bb
MW		 2516#define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2517/**
2518 * i40e_get_rxfh_key_size - get the RSS hash key size
2519 * @netdev: network interface device structure
2520 *
2521 * Returns the table size.
2522 **/
2523static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2524{
2525 return I40E_HKEY_ARRAY_SIZE;
2526}
2527
2528/**
2529 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2530 * @netdev: network interface device structure
2531 *
2532 * Returns the table size.
2533 **/
2534static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2535{
2536 return I40E_HLUT_ARRAY_SIZE;
2537}
2538
2539static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2540 u8 *hfunc)
2541{
2542 struct i40e_netdev_priv *np = netdev_priv(netdev);
2543 struct i40e_vsi *vsi = np->vsi;
2544 struct i40e_pf *pf = vsi->back;
2545 struct i40e_hw *hw = &pf->hw;
2546 u32 reg_val;
2547 int i, j;
2548
2549 if (hfunc)
2550 *hfunc = ETH_RSS_HASH_TOP;
2551
2552 if (!indir)
2553 return 0;
2554
2555 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2556 reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2557 indir[j++] = reg_val & 0xff;
2558 indir[j++] = (reg_val >> 8) & 0xff;
2559 indir[j++] = (reg_val >> 16) & 0xff;
2560 indir[j++] = (reg_val >> 24) & 0xff;
2561 }
2562
2563 if (key) {
2564 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2565 reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2566 key[j++] = (u8)(reg_val & 0xff);
2567 key[j++] = (u8)((reg_val >> 8) & 0xff);
2568 key[j++] = (u8)((reg_val >> 16) & 0xff);
2569 key[j++] = (u8)((reg_val >> 24) & 0xff);
2570 }
2571 }
2572 return 0;
2573}
2574
2575/**
2576 * i40e_set_rxfh - set the rx flow hash indirection table
2577 * @netdev: network interface device structure
2578 * @indir: indirection table
2579 * @key: hash key
2580 *
cd494fb4 2581 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
b29e13bb
MW		 2582 * returns 0 after programming the table.
2583 **/
2584static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2585 const u8 *key, const u8 hfunc)
2586{
2587 struct i40e_netdev_priv *np = netdev_priv(netdev);
2588 struct i40e_vsi *vsi = np->vsi;
2589 struct i40e_pf *pf = vsi->back;
2590 struct i40e_hw *hw = &pf->hw;
2591 u32 reg_val;
2592 int i, j;
2593
2594 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2595 return -EOPNOTSUPP;
2596
2597 if (!indir)
2598 return 0;
2599
2600 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2601 reg_val = indir[j++];
2602 reg_val |= indir[j++] << 8;
2603 reg_val |= indir[j++] << 16;
2604 reg_val |= indir[j++] << 24;
2605 wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2606 }
2607
2608 if (key) {
2609 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2610 reg_val = key[j++];
2611 reg_val |= key[j++] << 8;
2612 reg_val |= key[j++] << 16;
2613 reg_val |= key[j++] << 24;
2614 wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2615 }
2616 }
2617 return 0;
2618}
2619
7e45ab44
GR		 2620/**
2621 * i40e_get_priv_flags - report device private flags
2622 * @dev: network interface device structure
2623 *
2624 * The get string set count and the string set should be matched for each
2625 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
2626 * array.
2627 *
2628 * Returns a u32 bitmap of flags.
2629 **/
5bbc3301 2630static u32 i40e_get_priv_flags(struct net_device *dev)
7e45ab44
GR		 2631{
2632 struct i40e_netdev_priv *np = netdev_priv(dev);
2633 struct i40e_vsi *vsi = np->vsi;
2634 struct i40e_pf *pf = vsi->back;
2635 u32 ret_flags = 0;
2636
2637 ret_flags |= pf->hw.func_caps.npar_enable ?
2638 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2639
2640 return ret_flags;
2641}
2642
c7d05ca8
JB		 2643static const struct ethtool_ops i40e_ethtool_ops = {
2644 .get_settings = i40e_get_settings,
bf9c7141 2645 .set_settings = i40e_set_settings,
c7d05ca8
JB		 2646 .get_drvinfo = i40e_get_drvinfo,
2647 .get_regs_len = i40e_get_regs_len,
2648 .get_regs = i40e_get_regs,
2649 .nway_reset = i40e_nway_reset,
2650 .get_link = ethtool_op_get_link,
2651 .get_wol = i40e_get_wol,
8e2773ae 2652 .set_wol = i40e_set_wol,
cd552cb4 2653 .set_eeprom = i40e_set_eeprom,
c7d05ca8
JB		 2654 .get_eeprom_len = i40e_get_eeprom_len,
2655 .get_eeprom = i40e_get_eeprom,
2656 .get_ringparam = i40e_get_ringparam,
2657 .set_ringparam = i40e_set_ringparam,
2658 .get_pauseparam = i40e_get_pauseparam,
2becc35a 2659 .set_pauseparam = i40e_set_pauseparam,
c7d05ca8
JB		 2660 .get_msglevel = i40e_get_msglevel,
2661 .set_msglevel = i40e_set_msglevel,
2662 .get_rxnfc = i40e_get_rxnfc,
2663 .set_rxnfc = i40e_set_rxnfc,
2664 .self_test = i40e_diag_test,
2665 .get_strings = i40e_get_strings,
2666 .set_phys_id = i40e_set_phys_id,
2667 .get_sset_count = i40e_get_sset_count,
2668 .get_ethtool_stats = i40e_get_ethtool_stats,
2669 .get_coalesce = i40e_get_coalesce,
2670 .set_coalesce = i40e_set_coalesce,
b29e13bb
MW		 2671 .get_rxfh_key_size = i40e_get_rxfh_key_size,
2672 .get_rxfh_indir_size = i40e_get_rxfh_indir_size,
2673 .get_rxfh = i40e_get_rxfh,
2674 .set_rxfh = i40e_set_rxfh,
4b7820ca
ASJ		 2675 .get_channels = i40e_get_channels,
2676 .set_channels = i40e_set_channels,
c7d05ca8 2677 .get_ts_info = i40e_get_ts_info,
7e45ab44 2678 .get_priv_flags = i40e_get_priv_flags,
c7d05ca8
JB		 2679};
2680
2681void i40e_set_ethtool_ops(struct net_device *netdev)
2682{
7ad24ea4 2683 netdev->ethtool_ops = &i40e_ethtool_ops;
c7d05ca8 2684}
Linux 6.x block layer and io_uring tree(s)