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i40e: check current configured input set when adding ntuple filters
[linux-2.6/btrfs-unstable.git] / drivers / net / ethernet / intel / i40e / i40e_ethtool.c
blob1815c149040f52a8b0096c4bce09f7c820134615
1 /*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2016 Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27 /* ethtool support for i40e */
28
29 #include "i40e.h"
30 #include "i40e_diag.h"
31
32 struct i40e_stats {
33 char stat_string[ETH_GSTRING_LEN];
34 int sizeof_stat;
35 int stat_offset;
36 };
37
38 #define I40E_STAT(_type, _name, _stat) { \
39 .stat_string = _name, \
40 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
41 .stat_offset = offsetof(_type, _stat) \
42 }
43
44 #define I40E_NETDEV_STAT(_net_stat) \
45 I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
46 #define I40E_PF_STAT(_name, _stat) \
47 I40E_STAT(struct i40e_pf, _name, _stat)
48 #define I40E_VSI_STAT(_name, _stat) \
49 I40E_STAT(struct i40e_vsi, _name, _stat)
50 #define I40E_VEB_STAT(_name, _stat) \
51 I40E_STAT(struct i40e_veb, _name, _stat)
52
53 static const struct i40e_stats i40e_gstrings_net_stats[] = {
54 I40E_NETDEV_STAT(rx_packets),
55 I40E_NETDEV_STAT(tx_packets),
56 I40E_NETDEV_STAT(rx_bytes),
57 I40E_NETDEV_STAT(tx_bytes),
58 I40E_NETDEV_STAT(rx_errors),
59 I40E_NETDEV_STAT(tx_errors),
60 I40E_NETDEV_STAT(rx_dropped),
61 I40E_NETDEV_STAT(tx_dropped),
62 I40E_NETDEV_STAT(collisions),
63 I40E_NETDEV_STAT(rx_length_errors),
64 I40E_NETDEV_STAT(rx_crc_errors),
65 };
66
67 static const struct i40e_stats i40e_gstrings_veb_stats[] = {
68 I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
69 I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
70 I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
71 I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
72 I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
73 I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
74 I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
75 I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
76 I40E_VEB_STAT("rx_discards", stats.rx_discards),
77 I40E_VEB_STAT("tx_discards", stats.tx_discards),
78 I40E_VEB_STAT("tx_errors", stats.tx_errors),
79 I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
80 };
81
82 static const struct i40e_stats i40e_gstrings_misc_stats[] = {
83 I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
84 I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
85 I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
86 I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
87 I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
88 I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
89 I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
90 I40E_VSI_STAT("tx_linearize", tx_linearize),
91 I40E_VSI_STAT("tx_force_wb", tx_force_wb),
92 I40E_VSI_STAT("tx_lost_interrupt", tx_lost_interrupt),
93 I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
94 I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
95 };
96
97 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
98 * but they are separate. This device supports Virtualization, and
99 * as such might have several netdevs supporting VMDq and FCoE going
100 * through a single port. The NETDEV_STATs are for individual netdevs
101 * seen at the top of the stack, and the PF_STATs are for the physical
102 * function at the bottom of the stack hosting those netdevs.
103 *
104 * The PF_STATs are appended to the netdev stats only when ethtool -S
105 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
106 */
107 static const struct i40e_stats i40e_gstrings_stats[] = {
108 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
109 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
110 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
111 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
112 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
113 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
114 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
115 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
116 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
117 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
118 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
119 I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
120 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
121 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
122 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
123 I40E_PF_STAT("tx_timeout", tx_timeout_count),
124 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
125 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
126 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
127 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
128 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
129 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
130 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
131 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
132 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
133 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
134 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
135 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
136 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
137 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
138 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
139 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
140 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
141 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
142 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
143 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
144 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
145 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
146 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
147 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
148 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
149 I40E_PF_STAT("arq_overflows", arq_overflows),
150 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
151 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
152 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
153 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
154 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
155 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
156 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
157
158 /* LPI stats */
159 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
160 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
161 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
162 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
163 };
164
165 #ifdef I40E_FCOE
166 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
167 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
168 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
169 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
170 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
171 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
172 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
173 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
174 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
175 };
176
177 #endif /* I40E_FCOE */
178 #define I40E_QUEUE_STATS_LEN(n) \
179 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
180 * 2 /* Tx and Rx together */ \
181 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
182 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
183 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
184 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
185 #ifdef I40E_FCOE
186 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats)
187 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
188 I40E_FCOE_STATS_LEN + \
189 I40E_MISC_STATS_LEN + \
190 I40E_QUEUE_STATS_LEN((n)))
191 #else
192 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
193 I40E_MISC_STATS_LEN + \
194 I40E_QUEUE_STATS_LEN((n)))
195 #endif /* I40E_FCOE */
196 #define I40E_PFC_STATS_LEN ( \
197 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
198 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
199 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
200 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
201 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
202 / sizeof(u64))
203 #define I40E_VEB_TC_STATS_LEN ( \
204 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
205 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
206 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
207 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
208 / sizeof(u64))
209 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
210 #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
211 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
212 I40E_PFC_STATS_LEN + \
213 I40E_VSI_STATS_LEN((n)))
214
215 enum i40e_ethtool_test_id {
216 I40E_ETH_TEST_REG = 0,
217 I40E_ETH_TEST_EEPROM,
218 I40E_ETH_TEST_INTR,
219 I40E_ETH_TEST_LINK,
220 };
221
222 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
223 "Register test (offline)",
224 "Eeprom test (offline)",
225 "Interrupt test (offline)",
226 "Link test (on/offline)"
227 };
228
229 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
230
231 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
232 "MFP",
233 "LinkPolling",
234 "flow-director-atr",
235 "veb-stats",
236 "hw-atr-eviction",
237 };
238
239 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
240
241 /* Private flags with a global effect, restricted to PF 0 */
242 static const char i40e_gl_priv_flags_strings[][ETH_GSTRING_LEN] = {
243 "vf-true-promisc-support",
244 };
245
246 #define I40E_GL_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gl_priv_flags_strings)
247
248 /**
249 * i40e_partition_setting_complaint - generic complaint for MFP restriction
250 * @pf: the PF struct
251 **/
252 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
253 {
254 dev_info(&pf->pdev->dev,
255 "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");
256 }
257
258 /**
259 * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
260 * @phy_types: PHY types to convert
261 * @supported: pointer to the ethtool supported variable to fill in
262 * @advertising: pointer to the ethtool advertising variable to fill in
263 *
264 **/
265 static void i40e_phy_type_to_ethtool(struct i40e_pf *pf, u32 *supported,
266 u32 *advertising)
267 {
268 struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
269 u64 phy_types = pf->hw.phy.phy_types;
270
271 *supported = 0x0;
272 *advertising = 0x0;
273
274 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
275 *supported |= SUPPORTED_Autoneg |
276 SUPPORTED_1000baseT_Full;
277 *advertising |= ADVERTISED_Autoneg;
278 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
279 *advertising |= ADVERTISED_1000baseT_Full;
280 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
281 *supported |= SUPPORTED_100baseT_Full;
282 *advertising |= ADVERTISED_100baseT_Full;
283 }
284 }
285 if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
286 phy_types & I40E_CAP_PHY_TYPE_XFI ||
287 phy_types & I40E_CAP_PHY_TYPE_SFI ||
288 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
289 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
290 *supported |= SUPPORTED_10000baseT_Full;
291 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
292 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
293 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
294 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
295 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
296 *supported |= SUPPORTED_Autoneg |
297 SUPPORTED_10000baseT_Full;
298 *advertising |= ADVERTISED_Autoneg;
299 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
300 *advertising |= ADVERTISED_10000baseT_Full;
301 }
302 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
303 phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
304 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
305 *supported |= SUPPORTED_40000baseCR4_Full;
306 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
307 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
308 *supported |= SUPPORTED_Autoneg |
309 SUPPORTED_40000baseCR4_Full;
310 *advertising |= ADVERTISED_Autoneg;
311 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
312 *advertising |= ADVERTISED_40000baseCR4_Full;
313 }
314 if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
315 *supported |= SUPPORTED_Autoneg |
316 SUPPORTED_100baseT_Full;
317 *advertising |= ADVERTISED_Autoneg;
318 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
319 *advertising |= ADVERTISED_100baseT_Full;
320 }
321 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
322 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
323 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
324 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
325 *supported |= SUPPORTED_Autoneg |
326 SUPPORTED_1000baseT_Full;
327 *advertising |= ADVERTISED_Autoneg;
328 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
329 *advertising |= ADVERTISED_1000baseT_Full;
330 }
331 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
332 *supported |= SUPPORTED_40000baseSR4_Full;
333 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
334 *supported |= SUPPORTED_40000baseLR4_Full;
335 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
336 *supported |= SUPPORTED_40000baseKR4_Full |
337 SUPPORTED_Autoneg;
338 *advertising |= ADVERTISED_40000baseKR4_Full |
339 ADVERTISED_Autoneg;
340 }
341 if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
342 *supported |= SUPPORTED_20000baseKR2_Full |
343 SUPPORTED_Autoneg;
344 *advertising |= ADVERTISED_Autoneg;
345 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
346 *advertising |= ADVERTISED_20000baseKR2_Full;
347 }
348 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
349 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
350 *supported |= SUPPORTED_10000baseKR_Full |
351 SUPPORTED_Autoneg;
352 *advertising |= ADVERTISED_Autoneg;
353 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
354 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
355 *advertising |= ADVERTISED_10000baseKR_Full;
356 }
357 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
358 *supported |= SUPPORTED_10000baseKX4_Full |
359 SUPPORTED_Autoneg;
360 *advertising |= ADVERTISED_Autoneg;
361 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
362 *advertising |= ADVERTISED_10000baseKX4_Full;
363 }
364 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
365 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
366 *supported |= SUPPORTED_1000baseKX_Full |
367 SUPPORTED_Autoneg;
368 *advertising |= ADVERTISED_Autoneg;
369 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
370 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
371 *advertising |= ADVERTISED_1000baseKX_Full;
372 }
373 if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR ||
374 phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR ||
375 phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR ||
376 phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR) {
377 *supported |= SUPPORTED_Autoneg;
378 *advertising |= ADVERTISED_Autoneg;
379 }
380 }
381
382 /**
383 * i40e_get_settings_link_up - Get the Link settings for when link is up
384 * @hw: hw structure
385 * @ecmd: ethtool command to fill in
386 * @netdev: network interface device structure
387 *
388 **/
389 static void i40e_get_settings_link_up(struct i40e_hw *hw,
390 struct ethtool_link_ksettings *cmd,
391 struct net_device *netdev,
392 struct i40e_pf *pf)
393 {
394 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
395 u32 link_speed = hw_link_info->link_speed;
396 u32 e_advertising = 0x0;
397 u32 e_supported = 0x0;
398 u32 supported, advertising;
399
400 ethtool_convert_link_mode_to_legacy_u32(&supported,
401 cmd->link_modes.supported);
402 ethtool_convert_link_mode_to_legacy_u32(&advertising,
403 cmd->link_modes.advertising);
404
405 /* Initialize supported and advertised settings based on phy settings */
406 switch (hw_link_info->phy_type) {
407 case I40E_PHY_TYPE_40GBASE_CR4:
408 case I40E_PHY_TYPE_40GBASE_CR4_CU:
409 supported = SUPPORTED_Autoneg |
410 SUPPORTED_40000baseCR4_Full;
411 advertising = ADVERTISED_Autoneg |
412 ADVERTISED_40000baseCR4_Full;
413 break;
414 case I40E_PHY_TYPE_XLAUI:
415 case I40E_PHY_TYPE_XLPPI:
416 case I40E_PHY_TYPE_40GBASE_AOC:
417 supported = SUPPORTED_40000baseCR4_Full;
418 break;
419 case I40E_PHY_TYPE_40GBASE_SR4:
420 supported = SUPPORTED_40000baseSR4_Full;
421 break;
422 case I40E_PHY_TYPE_40GBASE_LR4:
423 supported = SUPPORTED_40000baseLR4_Full;
424 break;
425 case I40E_PHY_TYPE_10GBASE_SR:
426 case I40E_PHY_TYPE_10GBASE_LR:
427 case I40E_PHY_TYPE_1000BASE_SX:
428 case I40E_PHY_TYPE_1000BASE_LX:
429 supported = SUPPORTED_10000baseT_Full;
430 if (hw_link_info->module_type[2] &
431 I40E_MODULE_TYPE_1000BASE_SX ||
432 hw_link_info->module_type[2] &
433 I40E_MODULE_TYPE_1000BASE_LX) {
434 supported |= SUPPORTED_1000baseT_Full;
435 if (hw_link_info->requested_speeds &
436 I40E_LINK_SPEED_1GB)
437 advertising |= ADVERTISED_1000baseT_Full;
438 }
439 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
440 advertising |= ADVERTISED_10000baseT_Full;
441 break;
442 case I40E_PHY_TYPE_10GBASE_T:
443 case I40E_PHY_TYPE_1000BASE_T:
444 case I40E_PHY_TYPE_100BASE_TX:
445 supported = SUPPORTED_Autoneg |
446 SUPPORTED_10000baseT_Full |
447 SUPPORTED_1000baseT_Full |
448 SUPPORTED_100baseT_Full;
449 advertising = ADVERTISED_Autoneg;
450 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
451 advertising |= ADVERTISED_10000baseT_Full;
452 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
453 advertising |= ADVERTISED_1000baseT_Full;
454 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
455 advertising |= ADVERTISED_100baseT_Full;
456 break;
457 case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
458 supported = SUPPORTED_Autoneg |
459 SUPPORTED_1000baseT_Full;
460 advertising = ADVERTISED_Autoneg |
461 ADVERTISED_1000baseT_Full;
462 break;
463 case I40E_PHY_TYPE_10GBASE_CR1_CU:
464 case I40E_PHY_TYPE_10GBASE_CR1:
465 supported = SUPPORTED_Autoneg |
466 SUPPORTED_10000baseT_Full;
467 advertising = ADVERTISED_Autoneg |
468 ADVERTISED_10000baseT_Full;
469 break;
470 case I40E_PHY_TYPE_XAUI:
471 case I40E_PHY_TYPE_XFI:
472 case I40E_PHY_TYPE_SFI:
473 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
474 case I40E_PHY_TYPE_10GBASE_AOC:
475 supported = SUPPORTED_10000baseT_Full;
476 advertising = SUPPORTED_10000baseT_Full;
477 break;
478 case I40E_PHY_TYPE_SGMII:
479 supported = SUPPORTED_Autoneg |
480 SUPPORTED_1000baseT_Full;
481 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
482 advertising |= ADVERTISED_1000baseT_Full;
483 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
484 supported |= SUPPORTED_100baseT_Full;
485 if (hw_link_info->requested_speeds &
486 I40E_LINK_SPEED_100MB)
487 advertising |= ADVERTISED_100baseT_Full;
488 }
489 break;
490 case I40E_PHY_TYPE_40GBASE_KR4:
491 case I40E_PHY_TYPE_20GBASE_KR2:
492 case I40E_PHY_TYPE_10GBASE_KR:
493 case I40E_PHY_TYPE_10GBASE_KX4:
494 case I40E_PHY_TYPE_1000BASE_KX:
495 supported |= SUPPORTED_40000baseKR4_Full |
496 SUPPORTED_20000baseKR2_Full |
497 SUPPORTED_10000baseKR_Full |
498 SUPPORTED_10000baseKX4_Full |
499 SUPPORTED_1000baseKX_Full |
500 SUPPORTED_Autoneg;
501 advertising |= ADVERTISED_40000baseKR4_Full |
502 ADVERTISED_20000baseKR2_Full |
503 ADVERTISED_10000baseKR_Full |
504 ADVERTISED_10000baseKX4_Full |
505 ADVERTISED_1000baseKX_Full |
506 ADVERTISED_Autoneg;
507 break;
508 case I40E_PHY_TYPE_25GBASE_KR:
509 case I40E_PHY_TYPE_25GBASE_CR:
510 case I40E_PHY_TYPE_25GBASE_SR:
511 case I40E_PHY_TYPE_25GBASE_LR:
512 supported = SUPPORTED_Autoneg;
513 advertising = ADVERTISED_Autoneg;
514 /* TODO: add speeds when ethtool is ready to support*/
515 break;
516 default:
517 /* if we got here and link is up something bad is afoot */
518 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
519 hw_link_info->phy_type);
520 }
521
522 /* Now that we've worked out everything that could be supported by the
523 * current PHY type, get what is supported by the NVM and them to
524 * get what is truly supported
525 */
526 i40e_phy_type_to_ethtool(pf, &e_supported,
527 &e_advertising);
528
529 supported = supported & e_supported;
530 advertising = advertising & e_advertising;
531
532 /* Set speed and duplex */
533 switch (link_speed) {
534 case I40E_LINK_SPEED_40GB:
535 cmd->base.speed = SPEED_40000;
536 break;
537 case I40E_LINK_SPEED_25GB:
538 #ifdef SPEED_25000
539 cmd->base.speed = SPEED_25000;
540 #else
541 netdev_info(netdev,
542 "Speed is 25G, display not supported by this version of ethtool.\n");
543 #endif
544 break;
545 case I40E_LINK_SPEED_20GB:
546 cmd->base.speed = SPEED_20000;
547 break;
548 case I40E_LINK_SPEED_10GB:
549 cmd->base.speed = SPEED_10000;
550 break;
551 case I40E_LINK_SPEED_1GB:
552 cmd->base.speed = SPEED_1000;
553 break;
554 case I40E_LINK_SPEED_100MB:
555 cmd->base.speed = SPEED_100;
556 break;
557 default:
558 break;
559 }
560 cmd->base.duplex = DUPLEX_FULL;
561
562 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
563 supported);
564 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
565 advertising);
566 }
567
568 /**
569 * i40e_get_settings_link_down - Get the Link settings for when link is down
570 * @hw: hw structure
571 * @ecmd: ethtool command to fill in
572 *
573 * Reports link settings that can be determined when link is down
574 **/
575 static void i40e_get_settings_link_down(struct i40e_hw *hw,
576 struct ethtool_link_ksettings *cmd,
577 struct i40e_pf *pf)
578 {
579 u32 supported, advertising;
580
581 /* link is down and the driver needs to fall back on
582 * supported phy types to figure out what info to display
583 */
584 i40e_phy_type_to_ethtool(pf, &supported, &advertising);
585
586 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
587 supported);
588 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
589 advertising);
590
591 /* With no link speed and duplex are unknown */
592 cmd->base.speed = SPEED_UNKNOWN;
593 cmd->base.duplex = DUPLEX_UNKNOWN;
594 }
595
596 /**
597 * i40e_get_settings - Get Link Speed and Duplex settings
598 * @netdev: network interface device structure
599 * @ecmd: ethtool command
600 *
601 * Reports speed/duplex settings based on media_type
602 **/
603 static int i40e_get_link_ksettings(struct net_device *netdev,
604 struct ethtool_link_ksettings *cmd)
605 {
606 struct i40e_netdev_priv *np = netdev_priv(netdev);
607 struct i40e_pf *pf = np->vsi->back;
608 struct i40e_hw *hw = &pf->hw;
609 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
610 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
611 u32 advertising;
612
613 if (link_up)
614 i40e_get_settings_link_up(hw, cmd, netdev, pf);
615 else
616 i40e_get_settings_link_down(hw, cmd, pf);
617
618 /* Now set the settings that don't rely on link being up/down */
619 /* Set autoneg settings */
620 cmd->base.autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
621 AUTONEG_ENABLE : AUTONEG_DISABLE);
622
623 switch (hw->phy.media_type) {
624 case I40E_MEDIA_TYPE_BACKPLANE:
625 ethtool_link_ksettings_add_link_mode(cmd, supported,
626 Autoneg);
627 ethtool_link_ksettings_add_link_mode(cmd, supported,
628 Backplane);
629 ethtool_link_ksettings_add_link_mode(cmd, advertising,
630 Autoneg);
631 ethtool_link_ksettings_add_link_mode(cmd, advertising,
632 Backplane);
633 cmd->base.port = PORT_NONE;
634 break;
635 case I40E_MEDIA_TYPE_BASET:
636 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
637 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
638 cmd->base.port = PORT_TP;
639 break;
640 case I40E_MEDIA_TYPE_DA:
641 case I40E_MEDIA_TYPE_CX4:
642 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
643 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
644 cmd->base.port = PORT_DA;
645 break;
646 case I40E_MEDIA_TYPE_FIBER:
647 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
648 cmd->base.port = PORT_FIBRE;
649 break;
650 case I40E_MEDIA_TYPE_UNKNOWN:
651 default:
652 cmd->base.port = PORT_OTHER;
653 break;
654 }
655
656 /* Set flow control settings */
657 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
658
659 switch (hw->fc.requested_mode) {
660 case I40E_FC_FULL:
661 ethtool_link_ksettings_add_link_mode(cmd, advertising,
662 Pause);
663 break;
664 case I40E_FC_TX_PAUSE:
665 ethtool_link_ksettings_add_link_mode(cmd, advertising,
666 Asym_Pause);
667 break;
668 case I40E_FC_RX_PAUSE:
669 ethtool_link_ksettings_add_link_mode(cmd, advertising,
670 Pause);
671 ethtool_link_ksettings_add_link_mode(cmd, advertising,
672 Asym_Pause);
673 break;
674 default:
675 ethtool_convert_link_mode_to_legacy_u32(
676 &advertising, cmd->link_modes.advertising);
677
678 advertising &= ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
679
680 ethtool_convert_legacy_u32_to_link_mode(
681 cmd->link_modes.advertising, advertising);
682 break;
683 }
684
685 return 0;
686 }
687
688 /**
689 * i40e_set_settings - Set Speed and Duplex
690 * @netdev: network interface device structure
691 * @ecmd: ethtool command
692 *
693 * Set speed/duplex per media_types advertised/forced
694 **/
695 static int i40e_set_link_ksettings(struct net_device *netdev,
696 const struct ethtool_link_ksettings *cmd)
697 {
698 struct i40e_netdev_priv *np = netdev_priv(netdev);
699 struct i40e_aq_get_phy_abilities_resp abilities;
700 struct i40e_aq_set_phy_config config;
701 struct i40e_pf *pf = np->vsi->back;
702 struct i40e_vsi *vsi = np->vsi;
703 struct i40e_hw *hw = &pf->hw;
704 struct ethtool_link_ksettings safe_cmd;
705 struct ethtool_link_ksettings copy_cmd;
706 i40e_status status = 0;
707 bool change = false;
708 int err = 0;
709 u32 autoneg;
710 u32 advertise;
711 u32 tmp;
712
713 /* Changing port settings is not supported if this isn't the
714 * port's controlling PF
715 */
716 if (hw->partition_id != 1) {
717 i40e_partition_setting_complaint(pf);
718 return -EOPNOTSUPP;
719 }
720
721 if (vsi != pf->vsi[pf->lan_vsi])
722 return -EOPNOTSUPP;
723
724 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
725 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
726 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
727 hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
728 hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
729 return -EOPNOTSUPP;
730
731 if (hw->device_id == I40E_DEV_ID_KX_B ||
732 hw->device_id == I40E_DEV_ID_KX_C ||
733 hw->device_id == I40E_DEV_ID_20G_KR2 ||
734 hw->device_id == I40E_DEV_ID_20G_KR2_A) {
735 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
736 return -EOPNOTSUPP;
737 }
738
739 /* copy the cmd to copy_cmd to avoid modifying the origin */
740 memcpy(&copy_cmd, cmd, sizeof(struct ethtool_link_ksettings));
741
742 /* get our own copy of the bits to check against */
743 memset(&safe_cmd, 0, sizeof(struct ethtool_link_ksettings));
744 i40e_get_link_ksettings(netdev, &safe_cmd);
745
746 /* save autoneg and speed out of cmd */
747 autoneg = cmd->base.autoneg;
748 ethtool_convert_link_mode_to_legacy_u32(&advertise,
749 cmd->link_modes.advertising);
750
751 /* set autoneg and speed back to what they currently are */
752 copy_cmd.base.autoneg = safe_cmd.base.autoneg;
753 ethtool_convert_link_mode_to_legacy_u32(
754 &tmp, safe_cmd.link_modes.advertising);
755 ethtool_convert_legacy_u32_to_link_mode(
756 copy_cmd.link_modes.advertising, tmp);
757
758 copy_cmd.base.cmd = safe_cmd.base.cmd;
759
760 /* If copy_cmd and safe_cmd are not the same now, then they are
761 * trying to set something that we do not support
762 */
763 if (memcmp(&copy_cmd, &safe_cmd, sizeof(struct ethtool_link_ksettings)))
764 return -EOPNOTSUPP;
765
766 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
767 usleep_range(1000, 2000);
768
769 /* Get the current phy config */
770 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
771 NULL);
772 if (status)
773 return -EAGAIN;
774
775 /* Copy abilities to config in case autoneg is not
776 * set below
777 */
778 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
779 config.abilities = abilities.abilities;
780
781 /* Check autoneg */
782 if (autoneg == AUTONEG_ENABLE) {
783 /* If autoneg was not already enabled */
784 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
785 /* If autoneg is not supported, return error */
786 if (!ethtool_link_ksettings_test_link_mode(
787 &safe_cmd, supported, Autoneg)) {
788 netdev_info(netdev, "Autoneg not supported on this phy\n");
789 return -EINVAL;
790 }
791 /* Autoneg is allowed to change */
792 config.abilities = abilities.abilities |
793 I40E_AQ_PHY_ENABLE_AN;
794 change = true;
795 }
796 } else {
797 /* If autoneg is currently enabled */
798 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
799 /* If autoneg is supported 10GBASE_T is the only PHY
800 * that can disable it, so otherwise return error
801 */
802 if (ethtool_link_ksettings_test_link_mode(
803 &safe_cmd, supported, Autoneg) &&
804 hw->phy.link_info.phy_type !=
805 I40E_PHY_TYPE_10GBASE_T) {
806 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
807 return -EINVAL;
808 }
809 /* Autoneg is allowed to change */
810 config.abilities = abilities.abilities &
811 ~I40E_AQ_PHY_ENABLE_AN;
812 change = true;
813 }
814 }
815
816 ethtool_convert_link_mode_to_legacy_u32(&tmp,
817 safe_cmd.link_modes.supported);
818 if (advertise & ~tmp)
819 return -EINVAL;
820
821 if (advertise & ADVERTISED_100baseT_Full)
822 config.link_speed |= I40E_LINK_SPEED_100MB;
823 if (advertise & ADVERTISED_1000baseT_Full ||
824 advertise & ADVERTISED_1000baseKX_Full)
825 config.link_speed |= I40E_LINK_SPEED_1GB;
826 if (advertise & ADVERTISED_10000baseT_Full ||
827 advertise & ADVERTISED_10000baseKX4_Full ||
828 advertise & ADVERTISED_10000baseKR_Full)
829 config.link_speed |= I40E_LINK_SPEED_10GB;
830 if (advertise & ADVERTISED_20000baseKR2_Full)
831 config.link_speed |= I40E_LINK_SPEED_20GB;
832 if (advertise & ADVERTISED_40000baseKR4_Full ||
833 advertise & ADVERTISED_40000baseCR4_Full ||
834 advertise & ADVERTISED_40000baseSR4_Full ||
835 advertise & ADVERTISED_40000baseLR4_Full)
836 config.link_speed |= I40E_LINK_SPEED_40GB;
837
838 /* If speed didn't get set, set it to what it currently is.
839 * This is needed because if advertise is 0 (as it is when autoneg
840 * is disabled) then speed won't get set.
841 */
842 if (!config.link_speed)
843 config.link_speed = abilities.link_speed;
844
845 if (change || (abilities.link_speed != config.link_speed)) {
846 /* copy over the rest of the abilities */
847 config.phy_type = abilities.phy_type;
848 config.phy_type_ext = abilities.phy_type_ext;
849 config.eee_capability = abilities.eee_capability;
850 config.eeer = abilities.eeer_val;
851 config.low_power_ctrl = abilities.d3_lpan;
852 config.fec_config = abilities.fec_cfg_curr_mod_ext_info &
853 I40E_AQ_PHY_FEC_CONFIG_MASK;
854
855 /* save the requested speeds */
856 hw->phy.link_info.requested_speeds = config.link_speed;
857 /* set link and auto negotiation so changes take effect */
858 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
859 /* If link is up put link down */
860 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
861 /* Tell the OS link is going down, the link will go
862 * back up when fw says it is ready asynchronously
863 */
864 i40e_print_link_message(vsi, false);
865 netif_carrier_off(netdev);
866 netif_tx_stop_all_queues(netdev);
867 }
868
869 /* make the aq call */
870 status = i40e_aq_set_phy_config(hw, &config, NULL);
871 if (status) {
872 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
873 i40e_stat_str(hw, status),
874 i40e_aq_str(hw, hw->aq.asq_last_status));
875 return -EAGAIN;
876 }
877
878 status = i40e_update_link_info(hw);
879 if (status)
880 netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
881 i40e_stat_str(hw, status),
882 i40e_aq_str(hw, hw->aq.asq_last_status));
883
884 } else {
885 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
886 }
887
888 return err;
889 }
890
891 static int i40e_nway_reset(struct net_device *netdev)
892 {
893 /* restart autonegotiation */
894 struct i40e_netdev_priv *np = netdev_priv(netdev);
895 struct i40e_pf *pf = np->vsi->back;
896 struct i40e_hw *hw = &pf->hw;
897 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
898 i40e_status ret = 0;
899
900 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
901 if (ret) {
902 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
903 i40e_stat_str(hw, ret),
904 i40e_aq_str(hw, hw->aq.asq_last_status));
905 return -EIO;
906 }
907
908 return 0;
909 }
910
911 /**
912 * i40e_get_pauseparam - Get Flow Control status
913 * Return tx/rx-pause status
914 **/
915 static void i40e_get_pauseparam(struct net_device *netdev,
916 struct ethtool_pauseparam *pause)
917 {
918 struct i40e_netdev_priv *np = netdev_priv(netdev);
919 struct i40e_pf *pf = np->vsi->back;
920 struct i40e_hw *hw = &pf->hw;
921 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
922 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
923
924 pause->autoneg =
925 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
926 AUTONEG_ENABLE : AUTONEG_DISABLE);
927
928 /* PFC enabled so report LFC as off */
929 if (dcbx_cfg->pfc.pfcenable) {
930 pause->rx_pause = 0;
931 pause->tx_pause = 0;
932 return;
933 }
934
935 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
936 pause->rx_pause = 1;
937 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
938 pause->tx_pause = 1;
939 } else if (hw->fc.current_mode == I40E_FC_FULL) {
940 pause->rx_pause = 1;
941 pause->tx_pause = 1;
942 }
943 }
944
945 /**
946 * i40e_set_pauseparam - Set Flow Control parameter
947 * @netdev: network interface device structure
948 * @pause: return tx/rx flow control status
949 **/
950 static int i40e_set_pauseparam(struct net_device *netdev,
951 struct ethtool_pauseparam *pause)
952 {
953 struct i40e_netdev_priv *np = netdev_priv(netdev);
954 struct i40e_pf *pf = np->vsi->back;
955 struct i40e_vsi *vsi = np->vsi;
956 struct i40e_hw *hw = &pf->hw;
957 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
958 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
959 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
960 i40e_status status;
961 u8 aq_failures;
962 int err = 0;
963
964 /* Changing the port's flow control is not supported if this isn't the
965 * port's controlling PF
966 */
967 if (hw->partition_id != 1) {
968 i40e_partition_setting_complaint(pf);
969 return -EOPNOTSUPP;
970 }
971
972 if (vsi != pf->vsi[pf->lan_vsi])
973 return -EOPNOTSUPP;
974
975 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
976 AUTONEG_ENABLE : AUTONEG_DISABLE)) {
977 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
978 return -EOPNOTSUPP;
979 }
980
981 /* If we have link and don't have autoneg */
982 if (!test_bit(__I40E_DOWN, &pf->state) &&
983 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
984 /* Send message that it might not necessarily work*/
985 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
986 }
987
988 if (dcbx_cfg->pfc.pfcenable) {
989 netdev_info(netdev,
990 "Priority flow control enabled. Cannot set link flow control.\n");
991 return -EOPNOTSUPP;
992 }
993
994 if (pause->rx_pause && pause->tx_pause)
995 hw->fc.requested_mode = I40E_FC_FULL;
996 else if (pause->rx_pause && !pause->tx_pause)
997 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
998 else if (!pause->rx_pause && pause->tx_pause)
999 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
1000 else if (!pause->rx_pause && !pause->tx_pause)
1001 hw->fc.requested_mode = I40E_FC_NONE;
1002 else
1003 return -EINVAL;
1004
1005 /* Tell the OS link is going down, the link will go back up when fw
1006 * says it is ready asynchronously
1007 */
1008 i40e_print_link_message(vsi, false);
1009 netif_carrier_off(netdev);
1010 netif_tx_stop_all_queues(netdev);
1011
1012 /* Set the fc mode and only restart an if link is up*/
1013 status = i40e_set_fc(hw, &aq_failures, link_up);
1014
1015 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
1016 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
1017 i40e_stat_str(hw, status),
1018 i40e_aq_str(hw, hw->aq.asq_last_status));
1019 err = -EAGAIN;
1020 }
1021 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
1022 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
1023 i40e_stat_str(hw, status),
1024 i40e_aq_str(hw, hw->aq.asq_last_status));
1025 err = -EAGAIN;
1026 }
1027 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
1028 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
1029 i40e_stat_str(hw, status),
1030 i40e_aq_str(hw, hw->aq.asq_last_status));
1031 err = -EAGAIN;
1032 }
1033
1034 if (!test_bit(__I40E_DOWN, &pf->state)) {
1035 /* Give it a little more time to try to come back */
1036 msleep(75);
1037 if (!test_bit(__I40E_DOWN, &pf->state))
1038 return i40e_nway_reset(netdev);
1039 }
1040
1041 return err;
1042 }
1043
1044 static u32 i40e_get_msglevel(struct net_device *netdev)
1045 {
1046 struct i40e_netdev_priv *np = netdev_priv(netdev);
1047 struct i40e_pf *pf = np->vsi->back;
1048 u32 debug_mask = pf->hw.debug_mask;
1049
1050 if (debug_mask)
1051 netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask);
1052
1053 return pf->msg_enable;
1054 }
1055
1056 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
1057 {
1058 struct i40e_netdev_priv *np = netdev_priv(netdev);
1059 struct i40e_pf *pf = np->vsi->back;
1060
1061 if (I40E_DEBUG_USER & data)
1062 pf->hw.debug_mask = data;
1063 else
1064 pf->msg_enable = data;
1065 }
1066
1067 static int i40e_get_regs_len(struct net_device *netdev)
1068 {
1069 int reg_count = 0;
1070 int i;
1071
1072 for (i = 0; i40e_reg_list[i].offset != 0; i++)
1073 reg_count += i40e_reg_list[i].elements;
1074
1075 return reg_count * sizeof(u32);
1076 }
1077
1078 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
1079 void *p)
1080 {
1081 struct i40e_netdev_priv *np = netdev_priv(netdev);
1082 struct i40e_pf *pf = np->vsi->back;
1083 struct i40e_hw *hw = &pf->hw;
1084 u32 *reg_buf = p;
1085 int i, j, ri;
1086 u32 reg;
1087
1088 /* Tell ethtool which driver-version-specific regs output we have.
1089 *
1090 * At some point, if we have ethtool doing special formatting of
1091 * this data, it will rely on this version number to know how to
1092 * interpret things. Hence, this needs to be updated if/when the
1093 * diags register table is changed.
1094 */
1095 regs->version = 1;
1096
1097 /* loop through the diags reg table for what to print */
1098 ri = 0;
1099 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
1100 for (j = 0; j < i40e_reg_list[i].elements; j++) {
1101 reg = i40e_reg_list[i].offset
1102 + (j * i40e_reg_list[i].stride);
1103 reg_buf[ri++] = rd32(hw, reg);
1104 }
1105 }
1106
1107 }
1108
1109 static int i40e_get_eeprom(struct net_device *netdev,
1110 struct ethtool_eeprom *eeprom, u8 *bytes)
1111 {
1112 struct i40e_netdev_priv *np = netdev_priv(netdev);
1113 struct i40e_hw *hw = &np->vsi->back->hw;
1114 struct i40e_pf *pf = np->vsi->back;
1115 int ret_val = 0, len, offset;
1116 u8 *eeprom_buff;
1117 u16 i, sectors;
1118 bool last;
1119 u32 magic;
1120
1121 #define I40E_NVM_SECTOR_SIZE 4096
1122 if (eeprom->len == 0)
1123 return -EINVAL;
1124
1125 /* check for NVMUpdate access method */
1126 magic = hw->vendor_id | (hw->device_id << 16);
1127 if (eeprom->magic && eeprom->magic != magic) {
1128 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1129 int errno = 0;
1130
1131 /* make sure it is the right magic for NVMUpdate */
1132 if ((eeprom->magic >> 16) != hw->device_id)
1133 errno = -EINVAL;
1134 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1135 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1136 errno = -EBUSY;
1137 else
1138 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1139
1140 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1141 dev_info(&pf->pdev->dev,
1142 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1143 ret_val, hw->aq.asq_last_status, errno,
1144 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1145 cmd->offset, cmd->data_size);
1146
1147 return errno;
1148 }
1149
1150 /* normal ethtool get_eeprom support */
1151 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1152
1153 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1154 if (!eeprom_buff)
1155 return -ENOMEM;
1156
1157 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1158 if (ret_val) {
1159 dev_info(&pf->pdev->dev,
1160 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1161 ret_val, hw->aq.asq_last_status);
1162 goto free_buff;
1163 }
1164
1165 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1166 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1167 len = I40E_NVM_SECTOR_SIZE;
1168 last = false;
1169 for (i = 0; i < sectors; i++) {
1170 if (i == (sectors - 1)) {
1171 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1172 last = true;
1173 }
1174 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1175 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1176 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1177 last, NULL);
1178 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1179 dev_info(&pf->pdev->dev,
1180 "read NVM failed, invalid offset 0x%x\n",
1181 offset);
1182 break;
1183 } else if (ret_val &&
1184 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1185 dev_info(&pf->pdev->dev,
1186 "read NVM failed, access, offset 0x%x\n",
1187 offset);
1188 break;
1189 } else if (ret_val) {
1190 dev_info(&pf->pdev->dev,
1191 "read NVM failed offset %d err=%d status=0x%x\n",
1192 offset, ret_val, hw->aq.asq_last_status);
1193 break;
1194 }
1195 }
1196
1197 i40e_release_nvm(hw);
1198 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1199 free_buff:
1200 kfree(eeprom_buff);
1201 return ret_val;
1202 }
1203
1204 static int i40e_get_eeprom_len(struct net_device *netdev)
1205 {
1206 struct i40e_netdev_priv *np = netdev_priv(netdev);
1207 struct i40e_hw *hw = &np->vsi->back->hw;
1208 u32 val;
1209
1210 #define X722_EEPROM_SCOPE_LIMIT 0x5B9FFF
1211 if (hw->mac.type == I40E_MAC_X722) {
1212 val = X722_EEPROM_SCOPE_LIMIT + 1;
1213 return val;
1214 }
1215 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1216 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1217 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1218 /* register returns value in power of 2, 64Kbyte chunks. */
1219 val = (64 * 1024) * BIT(val);
1220 return val;
1221 }
1222
1223 static int i40e_set_eeprom(struct net_device *netdev,
1224 struct ethtool_eeprom *eeprom, u8 *bytes)
1225 {
1226 struct i40e_netdev_priv *np = netdev_priv(netdev);
1227 struct i40e_hw *hw = &np->vsi->back->hw;
1228 struct i40e_pf *pf = np->vsi->back;
1229 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1230 int ret_val = 0;
1231 int errno = 0;
1232 u32 magic;
1233
1234 /* normal ethtool set_eeprom is not supported */
1235 magic = hw->vendor_id | (hw->device_id << 16);
1236 if (eeprom->magic == magic)
1237 errno = -EOPNOTSUPP;
1238 /* check for NVMUpdate access method */
1239 else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1240 errno = -EINVAL;
1241 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1242 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1243 errno = -EBUSY;
1244 else
1245 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1246
1247 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1248 dev_info(&pf->pdev->dev,
1249 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1250 ret_val, hw->aq.asq_last_status, errno,
1251 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1252 cmd->offset, cmd->data_size);
1253
1254 return errno;
1255 }
1256
1257 static void i40e_get_drvinfo(struct net_device *netdev,
1258 struct ethtool_drvinfo *drvinfo)
1259 {
1260 struct i40e_netdev_priv *np = netdev_priv(netdev);
1261 struct i40e_vsi *vsi = np->vsi;
1262 struct i40e_pf *pf = vsi->back;
1263
1264 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1265 strlcpy(drvinfo->version, i40e_driver_version_str,
1266 sizeof(drvinfo->version));
1267 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
1268 sizeof(drvinfo->fw_version));
1269 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1270 sizeof(drvinfo->bus_info));
1271 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1272 if (pf->hw.pf_id == 0)
1273 drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN;
1274 }
1275
1276 static void i40e_get_ringparam(struct net_device *netdev,
1277 struct ethtool_ringparam *ring)
1278 {
1279 struct i40e_netdev_priv *np = netdev_priv(netdev);
1280 struct i40e_pf *pf = np->vsi->back;
1281 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1282
1283 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1284 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1285 ring->rx_mini_max_pending = 0;
1286 ring->rx_jumbo_max_pending = 0;
1287 ring->rx_pending = vsi->rx_rings[0]->count;
1288 ring->tx_pending = vsi->tx_rings[0]->count;
1289 ring->rx_mini_pending = 0;
1290 ring->rx_jumbo_pending = 0;
1291 }
1292
1293 static int i40e_set_ringparam(struct net_device *netdev,
1294 struct ethtool_ringparam *ring)
1295 {
1296 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1297 struct i40e_netdev_priv *np = netdev_priv(netdev);
1298 struct i40e_hw *hw = &np->vsi->back->hw;
1299 struct i40e_vsi *vsi = np->vsi;
1300 struct i40e_pf *pf = vsi->back;
1301 u32 new_rx_count, new_tx_count;
1302 int i, err = 0;
1303
1304 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1305 return -EINVAL;
1306
1307 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1308 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1309 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1310 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1311 netdev_info(netdev,
1312 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1313 ring->tx_pending, ring->rx_pending,
1314 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1315 return -EINVAL;
1316 }
1317
1318 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1319 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1320
1321 /* if nothing to do return success */
1322 if ((new_tx_count == vsi->tx_rings[0]->count) &&
1323 (new_rx_count == vsi->rx_rings[0]->count))
1324 return 0;
1325
1326 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1327 usleep_range(1000, 2000);
1328
1329 if (!netif_running(vsi->netdev)) {
1330 /* simple case - set for the next time the netdev is started */
1331 for (i = 0; i < vsi->num_queue_pairs; i++) {
1332 vsi->tx_rings[i]->count = new_tx_count;
1333 vsi->rx_rings[i]->count = new_rx_count;
1334 }
1335 goto done;
1336 }
1337
1338 /* We can't just free everything and then setup again,
1339 * because the ISRs in MSI-X mode get passed pointers
1340 * to the Tx and Rx ring structs.
1341 */
1342
1343 /* alloc updated Tx resources */
1344 if (new_tx_count != vsi->tx_rings[0]->count) {
1345 netdev_info(netdev,
1346 "Changing Tx descriptor count from %d to %d.\n",
1347 vsi->tx_rings[0]->count, new_tx_count);
1348 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1349 sizeof(struct i40e_ring), GFP_KERNEL);
1350 if (!tx_rings) {
1351 err = -ENOMEM;
1352 goto done;
1353 }
1354
1355 for (i = 0; i < vsi->num_queue_pairs; i++) {
1356 /* clone ring and setup updated count */
1357 tx_rings[i] = *vsi->tx_rings[i];
1358 tx_rings[i].count = new_tx_count;
1359 /* the desc and bi pointers will be reallocated in the
1360 * setup call
1361 */
1362 tx_rings[i].desc = NULL;
1363 tx_rings[i].rx_bi = NULL;
1364 err = i40e_setup_tx_descriptors(&tx_rings[i]);
1365 if (err) {
1366 while (i) {
1367 i--;
1368 i40e_free_tx_resources(&tx_rings[i]);
1369 }
1370 kfree(tx_rings);
1371 tx_rings = NULL;
1372
1373 goto done;
1374 }
1375 }
1376 }
1377
1378 /* alloc updated Rx resources */
1379 if (new_rx_count != vsi->rx_rings[0]->count) {
1380 netdev_info(netdev,
1381 "Changing Rx descriptor count from %d to %d\n",
1382 vsi->rx_rings[0]->count, new_rx_count);
1383 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1384 sizeof(struct i40e_ring), GFP_KERNEL);
1385 if (!rx_rings) {
1386 err = -ENOMEM;
1387 goto free_tx;
1388 }
1389
1390 for (i = 0; i < vsi->num_queue_pairs; i++) {
1391 struct i40e_ring *ring;
1392 u16 unused;
1393
1394 /* clone ring and setup updated count */
1395 rx_rings[i] = *vsi->rx_rings[i];
1396 rx_rings[i].count = new_rx_count;
1397 /* the desc and bi pointers will be reallocated in the
1398 * setup call
1399 */
1400 rx_rings[i].desc = NULL;
1401 rx_rings[i].rx_bi = NULL;
1402 /* this is to allow wr32 to have something to write to
1403 * during early allocation of Rx buffers
1404 */
1405 rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
1406 err = i40e_setup_rx_descriptors(&rx_rings[i]);
1407 if (err)
1408 goto rx_unwind;
1409
1410 /* now allocate the Rx buffers to make sure the OS
1411 * has enough memory, any failure here means abort
1412 */
1413 ring = &rx_rings[i];
1414 unused = I40E_DESC_UNUSED(ring);
1415 err = i40e_alloc_rx_buffers(ring, unused);
1416 rx_unwind:
1417 if (err) {
1418 do {
1419 i40e_free_rx_resources(&rx_rings[i]);
1420 } while (i--);
1421 kfree(rx_rings);
1422 rx_rings = NULL;
1423
1424 goto free_tx;
1425 }
1426 }
1427 }
1428
1429 /* Bring interface down, copy in the new ring info,
1430 * then restore the interface
1431 */
1432 i40e_down(vsi);
1433
1434 if (tx_rings) {
1435 for (i = 0; i < vsi->num_queue_pairs; i++) {
1436 i40e_free_tx_resources(vsi->tx_rings[i]);
1437 *vsi->tx_rings[i] = tx_rings[i];
1438 }
1439 kfree(tx_rings);
1440 tx_rings = NULL;
1441 }
1442
1443 if (rx_rings) {
1444 for (i = 0; i < vsi->num_queue_pairs; i++) {
1445 i40e_free_rx_resources(vsi->rx_rings[i]);
1446 /* get the real tail offset */
1447 rx_rings[i].tail = vsi->rx_rings[i]->tail;
1448 /* this is to fake out the allocation routine
1449 * into thinking it has to realloc everything
1450 * but the recycling logic will let us re-use
1451 * the buffers allocated above
1452 */
1453 rx_rings[i].next_to_use = 0;
1454 rx_rings[i].next_to_clean = 0;
1455 rx_rings[i].next_to_alloc = 0;
1456 /* do a struct copy */
1457 *vsi->rx_rings[i] = rx_rings[i];
1458 }
1459 kfree(rx_rings);
1460 rx_rings = NULL;
1461 }
1462
1463 i40e_up(vsi);
1464
1465 free_tx:
1466 /* error cleanup if the Rx allocations failed after getting Tx */
1467 if (tx_rings) {
1468 for (i = 0; i < vsi->num_queue_pairs; i++)
1469 i40e_free_tx_resources(&tx_rings[i]);
1470 kfree(tx_rings);
1471 tx_rings = NULL;
1472 }
1473
1474 done:
1475 clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1476
1477 return err;
1478 }
1479
1480 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1481 {
1482 struct i40e_netdev_priv *np = netdev_priv(netdev);
1483 struct i40e_vsi *vsi = np->vsi;
1484 struct i40e_pf *pf = vsi->back;
1485
1486 switch (sset) {
1487 case ETH_SS_TEST:
1488 return I40E_TEST_LEN;
1489 case ETH_SS_STATS:
1490 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1491 int len = I40E_PF_STATS_LEN(netdev);
1492
1493 if ((pf->lan_veb != I40E_NO_VEB) &&
1494 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1495 len += I40E_VEB_STATS_TOTAL;
1496 return len;
1497 } else {
1498 return I40E_VSI_STATS_LEN(netdev);
1499 }
1500 case ETH_SS_PRIV_FLAGS:
1501 return I40E_PRIV_FLAGS_STR_LEN +
1502 (pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0);
1503 default:
1504 return -EOPNOTSUPP;
1505 }
1506 }
1507
1508 static void i40e_get_ethtool_stats(struct net_device *netdev,
1509 struct ethtool_stats *stats, u64 *data)
1510 {
1511 struct i40e_netdev_priv *np = netdev_priv(netdev);
1512 struct i40e_ring *tx_ring, *rx_ring;
1513 struct i40e_vsi *vsi = np->vsi;
1514 struct i40e_pf *pf = vsi->back;
1515 int i = 0;
1516 char *p;
1517 int j;
1518 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1519 unsigned int start;
1520
1521 i40e_update_stats(vsi);
1522
1523 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1524 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1525 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1526 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1527 }
1528 for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1529 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1530 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1531 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1532 }
1533 #ifdef I40E_FCOE
1534 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1535 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1536 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1537 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1538 }
1539 #endif
1540 rcu_read_lock();
1541 for (j = 0; j < vsi->num_queue_pairs; j++) {
1542 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1543
1544 if (!tx_ring)
1545 continue;
1546
1547 /* process Tx ring statistics */
1548 do {
1549 start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1550 data[i] = tx_ring->stats.packets;
1551 data[i + 1] = tx_ring->stats.bytes;
1552 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1553 i += 2;
1554
1555 /* Rx ring is the 2nd half of the queue pair */
1556 rx_ring = &tx_ring[1];
1557 do {
1558 start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1559 data[i] = rx_ring->stats.packets;
1560 data[i + 1] = rx_ring->stats.bytes;
1561 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1562 i += 2;
1563 }
1564 rcu_read_unlock();
1565 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1566 return;
1567
1568 if ((pf->lan_veb != I40E_NO_VEB) &&
1569 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1570 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1571
1572 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1573 p = (char *)veb;
1574 p += i40e_gstrings_veb_stats[j].stat_offset;
1575 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1576 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1577 }
1578 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1579 data[i++] = veb->tc_stats.tc_tx_packets[j];
1580 data[i++] = veb->tc_stats.tc_tx_bytes[j];
1581 data[i++] = veb->tc_stats.tc_rx_packets[j];
1582 data[i++] = veb->tc_stats.tc_rx_bytes[j];
1583 }
1584 }
1585 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1586 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1587 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1588 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1589 }
1590 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1591 data[i++] = pf->stats.priority_xon_tx[j];
1592 data[i++] = pf->stats.priority_xoff_tx[j];
1593 }
1594 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1595 data[i++] = pf->stats.priority_xon_rx[j];
1596 data[i++] = pf->stats.priority_xoff_rx[j];
1597 }
1598 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1599 data[i++] = pf->stats.priority_xon_2_xoff[j];
1600 }
1601
1602 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1603 u8 *data)
1604 {
1605 struct i40e_netdev_priv *np = netdev_priv(netdev);
1606 struct i40e_vsi *vsi = np->vsi;
1607 struct i40e_pf *pf = vsi->back;
1608 char *p = (char *)data;
1609 int i;
1610
1611 switch (stringset) {
1612 case ETH_SS_TEST:
1613 memcpy(data, i40e_gstrings_test,
1614 I40E_TEST_LEN * ETH_GSTRING_LEN);
1615 break;
1616 case ETH_SS_STATS:
1617 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1618 snprintf(p, ETH_GSTRING_LEN, "%s",
1619 i40e_gstrings_net_stats[i].stat_string);
1620 p += ETH_GSTRING_LEN;
1621 }
1622 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1623 snprintf(p, ETH_GSTRING_LEN, "%s",
1624 i40e_gstrings_misc_stats[i].stat_string);
1625 p += ETH_GSTRING_LEN;
1626 }
1627 #ifdef I40E_FCOE
1628 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1629 snprintf(p, ETH_GSTRING_LEN, "%s",
1630 i40e_gstrings_fcoe_stats[i].stat_string);
1631 p += ETH_GSTRING_LEN;
1632 }
1633 #endif
1634 for (i = 0; i < vsi->num_queue_pairs; i++) {
1635 snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
1636 p += ETH_GSTRING_LEN;
1637 snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
1638 p += ETH_GSTRING_LEN;
1639 snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
1640 p += ETH_GSTRING_LEN;
1641 snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
1642 p += ETH_GSTRING_LEN;
1643 }
1644 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1645 return;
1646
1647 if ((pf->lan_veb != I40E_NO_VEB) &&
1648 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1649 for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1650 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1651 i40e_gstrings_veb_stats[i].stat_string);
1652 p += ETH_GSTRING_LEN;
1653 }
1654 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1655 snprintf(p, ETH_GSTRING_LEN,
1656 "veb.tc_%d_tx_packets", i);
1657 p += ETH_GSTRING_LEN;
1658 snprintf(p, ETH_GSTRING_LEN,
1659 "veb.tc_%d_tx_bytes", i);
1660 p += ETH_GSTRING_LEN;
1661 snprintf(p, ETH_GSTRING_LEN,
1662 "veb.tc_%d_rx_packets", i);
1663 p += ETH_GSTRING_LEN;
1664 snprintf(p, ETH_GSTRING_LEN,
1665 "veb.tc_%d_rx_bytes", i);
1666 p += ETH_GSTRING_LEN;
1667 }
1668 }
1669 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1670 snprintf(p, ETH_GSTRING_LEN, "port.%s",
1671 i40e_gstrings_stats[i].stat_string);
1672 p += ETH_GSTRING_LEN;
1673 }
1674 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1675 snprintf(p, ETH_GSTRING_LEN,
1676 "port.tx_priority_%d_xon", i);
1677 p += ETH_GSTRING_LEN;
1678 snprintf(p, ETH_GSTRING_LEN,
1679 "port.tx_priority_%d_xoff", i);
1680 p += ETH_GSTRING_LEN;
1681 }
1682 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1683 snprintf(p, ETH_GSTRING_LEN,
1684 "port.rx_priority_%d_xon", i);
1685 p += ETH_GSTRING_LEN;
1686 snprintf(p, ETH_GSTRING_LEN,
1687 "port.rx_priority_%d_xoff", i);
1688 p += ETH_GSTRING_LEN;
1689 }
1690 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1691 snprintf(p, ETH_GSTRING_LEN,
1692 "port.rx_priority_%d_xon_2_xoff", i);
1693 p += ETH_GSTRING_LEN;
1694 }
1695 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1696 break;
1697 case ETH_SS_PRIV_FLAGS:
1698 memcpy(data, i40e_priv_flags_strings,
1699 I40E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1700 data += I40E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN;
1701 if (pf->hw.pf_id == 0)
1702 memcpy(data, i40e_gl_priv_flags_strings,
1703 I40E_GL_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1704 break;
1705 default:
1706 break;
1707 }
1708 }
1709
1710 static int i40e_get_ts_info(struct net_device *dev,
1711 struct ethtool_ts_info *info)
1712 {
1713 struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1714
1715 /* only report HW timestamping if PTP is enabled */
1716 if (!(pf->flags & I40E_FLAG_PTP))
1717 return ethtool_op_get_ts_info(dev, info);
1718
1719 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1720 SOF_TIMESTAMPING_RX_SOFTWARE |
1721 SOF_TIMESTAMPING_SOFTWARE |
1722 SOF_TIMESTAMPING_TX_HARDWARE |
1723 SOF_TIMESTAMPING_RX_HARDWARE |
1724 SOF_TIMESTAMPING_RAW_HARDWARE;
1725
1726 if (pf->ptp_clock)
1727 info->phc_index = ptp_clock_index(pf->ptp_clock);
1728 else
1729 info->phc_index = -1;
1730
1731 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1732
1733 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1734 BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
1735 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
1736 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ);
1737
1738 if (pf->flags & I40E_FLAG_PTP_L4_CAPABLE)
1739 info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1740 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1741 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
1742 BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1743 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
1744 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1745 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
1746 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
1747
1748 return 0;
1749 }
1750
1751 static int i40e_link_test(struct net_device *netdev, u64 *data)
1752 {
1753 struct i40e_netdev_priv *np = netdev_priv(netdev);
1754 struct i40e_pf *pf = np->vsi->back;
1755 i40e_status status;
1756 bool link_up = false;
1757
1758 netif_info(pf, hw, netdev, "link test\n");
1759 status = i40e_get_link_status(&pf->hw, &link_up);
1760 if (status) {
1761 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1762 *data = 1;
1763 return *data;
1764 }
1765
1766 if (link_up)
1767 *data = 0;
1768 else
1769 *data = 1;
1770
1771 return *data;
1772 }
1773
1774 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1775 {
1776 struct i40e_netdev_priv *np = netdev_priv(netdev);
1777 struct i40e_pf *pf = np->vsi->back;
1778
1779 netif_info(pf, hw, netdev, "register test\n");
1780 *data = i40e_diag_reg_test(&pf->hw);
1781
1782 return *data;
1783 }
1784
1785 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1786 {
1787 struct i40e_netdev_priv *np = netdev_priv(netdev);
1788 struct i40e_pf *pf = np->vsi->back;
1789
1790 netif_info(pf, hw, netdev, "eeprom test\n");
1791 *data = i40e_diag_eeprom_test(&pf->hw);
1792
1793 /* forcebly clear the NVM Update state machine */
1794 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1795
1796 return *data;
1797 }
1798
1799 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1800 {
1801 struct i40e_netdev_priv *np = netdev_priv(netdev);
1802 struct i40e_pf *pf = np->vsi->back;
1803 u16 swc_old = pf->sw_int_count;
1804
1805 netif_info(pf, hw, netdev, "interrupt test\n");
1806 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1807 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1808 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1809 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1810 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1811 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1812 usleep_range(1000, 2000);
1813 *data = (swc_old == pf->sw_int_count);
1814
1815 return *data;
1816 }
1817
1818 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1819 {
1820 struct i40e_vf *vfs = pf->vf;
1821 int i;
1822
1823 for (i = 0; i < pf->num_alloc_vfs; i++)
1824 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1825 return true;
1826 return false;
1827 }
1828
1829 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1830 {
1831 return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2);
1832 }
1833
1834 static void i40e_diag_test(struct net_device *netdev,
1835 struct ethtool_test *eth_test, u64 *data)
1836 {
1837 struct i40e_netdev_priv *np = netdev_priv(netdev);
1838 bool if_running = netif_running(netdev);
1839 struct i40e_pf *pf = np->vsi->back;
1840
1841 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1842 /* Offline tests */
1843 netif_info(pf, drv, netdev, "offline testing starting\n");
1844
1845 set_bit(__I40E_TESTING, &pf->state);
1846
1847 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1848 dev_warn(&pf->pdev->dev,
1849 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1850 data[I40E_ETH_TEST_REG] = 1;
1851 data[I40E_ETH_TEST_EEPROM] = 1;
1852 data[I40E_ETH_TEST_INTR] = 1;
1853 data[I40E_ETH_TEST_LINK] = 1;
1854 eth_test->flags |= ETH_TEST_FL_FAILED;
1855 clear_bit(__I40E_TESTING, &pf->state);
1856 goto skip_ol_tests;
1857 }
1858
1859 /* If the device is online then take it offline */
1860 if (if_running)
1861 /* indicate we're in test mode */
1862 i40e_close(netdev);
1863 else
1864 /* This reset does not affect link - if it is
1865 * changed to a type of reset that does affect
1866 * link then the following link test would have
1867 * to be moved to before the reset
1868 */
1869 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1870
1871 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1872 eth_test->flags |= ETH_TEST_FL_FAILED;
1873
1874 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1875 eth_test->flags |= ETH_TEST_FL_FAILED;
1876
1877 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1878 eth_test->flags |= ETH_TEST_FL_FAILED;
1879
1880 /* run reg test last, a reset is required after it */
1881 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1882 eth_test->flags |= ETH_TEST_FL_FAILED;
1883
1884 clear_bit(__I40E_TESTING, &pf->state);
1885 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1886
1887 if (if_running)
1888 i40e_open(netdev);
1889 } else {
1890 /* Online tests */
1891 netif_info(pf, drv, netdev, "online testing starting\n");
1892
1893 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1894 eth_test->flags |= ETH_TEST_FL_FAILED;
1895
1896 /* Offline only tests, not run in online; pass by default */
1897 data[I40E_ETH_TEST_REG] = 0;
1898 data[I40E_ETH_TEST_EEPROM] = 0;
1899 data[I40E_ETH_TEST_INTR] = 0;
1900 }
1901
1902 skip_ol_tests:
1903
1904 netif_info(pf, drv, netdev, "testing finished\n");
1905 }
1906
1907 static void i40e_get_wol(struct net_device *netdev,
1908 struct ethtool_wolinfo *wol)
1909 {
1910 struct i40e_netdev_priv *np = netdev_priv(netdev);
1911 struct i40e_pf *pf = np->vsi->back;
1912 struct i40e_hw *hw = &pf->hw;
1913 u16 wol_nvm_bits;
1914
1915 /* NVM bit on means WoL disabled for the port */
1916 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1917 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1918 wol->supported = 0;
1919 wol->wolopts = 0;
1920 } else {
1921 wol->supported = WAKE_MAGIC;
1922 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1923 }
1924 }
1925
1926 /**
1927 * i40e_set_wol - set the WakeOnLAN configuration
1928 * @netdev: the netdev in question
1929 * @wol: the ethtool WoL setting data
1930 **/
1931 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1932 {
1933 struct i40e_netdev_priv *np = netdev_priv(netdev);
1934 struct i40e_pf *pf = np->vsi->back;
1935 struct i40e_vsi *vsi = np->vsi;
1936 struct i40e_hw *hw = &pf->hw;
1937 u16 wol_nvm_bits;
1938
1939 /* WoL not supported if this isn't the controlling PF on the port */
1940 if (hw->partition_id != 1) {
1941 i40e_partition_setting_complaint(pf);
1942 return -EOPNOTSUPP;
1943 }
1944
1945 if (vsi != pf->vsi[pf->lan_vsi])
1946 return -EOPNOTSUPP;
1947
1948 /* NVM bit on means WoL disabled for the port */
1949 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1950 if (BIT(hw->port) & wol_nvm_bits)
1951 return -EOPNOTSUPP;
1952
1953 /* only magic packet is supported */
1954 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1955 return -EOPNOTSUPP;
1956
1957 /* is this a new value? */
1958 if (pf->wol_en != !!wol->wolopts) {
1959 pf->wol_en = !!wol->wolopts;
1960 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1961 }
1962
1963 return 0;
1964 }
1965
1966 static int i40e_set_phys_id(struct net_device *netdev,
1967 enum ethtool_phys_id_state state)
1968 {
1969 struct i40e_netdev_priv *np = netdev_priv(netdev);
1970 i40e_status ret = 0;
1971 struct i40e_pf *pf = np->vsi->back;
1972 struct i40e_hw *hw = &pf->hw;
1973 int blink_freq = 2;
1974 u16 temp_status;
1975
1976 switch (state) {
1977 case ETHTOOL_ID_ACTIVE:
1978 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) {
1979 pf->led_status = i40e_led_get(hw);
1980 } else {
1981 i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
1982 ret = i40e_led_get_phy(hw, &temp_status,
1983 &pf->phy_led_val);
1984 pf->led_status = temp_status;
1985 }
1986 return blink_freq;
1987 case ETHTOOL_ID_ON:
1988 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS))
1989 i40e_led_set(hw, 0xf, false);
1990 else
1991 ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
1992 break;
1993 case ETHTOOL_ID_OFF:
1994 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS))
1995 i40e_led_set(hw, 0x0, false);
1996 else
1997 ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
1998 break;
1999 case ETHTOOL_ID_INACTIVE:
2000 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) {
2001 i40e_led_set(hw, pf->led_status, false);
2002 } else {
2003 ret = i40e_led_set_phy(hw, false, pf->led_status,
2004 (pf->phy_led_val |
2005 I40E_PHY_LED_MODE_ORIG));
2006 i40e_aq_set_phy_debug(hw, 0, NULL);
2007 }
2008 break;
2009 default:
2010 break;
2011 }
2012 if (ret)
2013 return -ENOENT;
2014 else
2015 return 0;
2016 }
2017
2018 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
2019 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
2020 * 125us (8000 interrupts per second) == ITR(62)
2021 */
2022
2023 /**
2024 * __i40e_get_coalesce - get per-queue coalesce settings
2025 * @netdev: the netdev to check
2026 * @ec: ethtool coalesce data structure
2027 * @queue: which queue to pick
2028 *
2029 * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
2030 * are per queue. If queue is <0 then we default to queue 0 as the
2031 * representative value.
2032 **/
2033 static int __i40e_get_coalesce(struct net_device *netdev,
2034 struct ethtool_coalesce *ec,
2035 int queue)
2036 {
2037 struct i40e_netdev_priv *np = netdev_priv(netdev);
2038 struct i40e_ring *rx_ring, *tx_ring;
2039 struct i40e_vsi *vsi = np->vsi;
2040
2041 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
2042 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
2043
2044 /* rx and tx usecs has per queue value. If user doesn't specify the queue,
2045 * return queue 0's value to represent.
2046 */
2047 if (queue < 0) {
2048 queue = 0;
2049 } else if (queue >= vsi->num_queue_pairs) {
2050 return -EINVAL;
2051 }
2052
2053 rx_ring = vsi->rx_rings[queue];
2054 tx_ring = vsi->tx_rings[queue];
2055
2056 if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting))
2057 ec->use_adaptive_rx_coalesce = 1;
2058
2059 if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
2060 ec->use_adaptive_tx_coalesce = 1;
2061
2062 ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
2063 ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC;
2064
2065
2066 /* we use the _usecs_high to store/set the interrupt rate limit
2067 * that the hardware supports, that almost but not quite
2068 * fits the original intent of the ethtool variable,
2069 * the rx_coalesce_usecs_high limits total interrupts
2070 * per second from both tx/rx sources.
2071 */
2072 ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
2073 ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
2074
2075 return 0;
2076 }
2077
2078 /**
2079 * i40e_get_coalesce - get a netdev's coalesce settings
2080 * @netdev: the netdev to check
2081 * @ec: ethtool coalesce data structure
2082 *
2083 * Gets the coalesce settings for a particular netdev. Note that if user has
2084 * modified per-queue settings, this only guarantees to represent queue 0. See
2085 * __i40e_get_coalesce for more details.
2086 **/
2087 static int i40e_get_coalesce(struct net_device *netdev,
2088 struct ethtool_coalesce *ec)
2089 {
2090 return __i40e_get_coalesce(netdev, ec, -1);
2091 }
2092
2093 /**
2094 * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
2095 * @netdev: netdev structure
2096 * @ec: ethtool's coalesce settings
2097 * @queue: the particular queue to read
2098 *
2099 * Will read a specific queue's coalesce settings
2100 **/
2101 static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
2102 struct ethtool_coalesce *ec)
2103 {
2104 return __i40e_get_coalesce(netdev, ec, queue);
2105 }
2106
2107 /**
2108 * i40e_set_itr_per_queue - set ITR values for specific queue
2109 * @vsi: the VSI to set values for
2110 * @ec: coalesce settings from ethtool
2111 * @queue: the queue to modify
2112 *
2113 * Change the ITR settings for a specific queue.
2114 **/
2115
2116 static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
2117 struct ethtool_coalesce *ec,
2118 int queue)
2119 {
2120 struct i40e_pf *pf = vsi->back;
2121 struct i40e_hw *hw = &pf->hw;
2122 struct i40e_q_vector *q_vector;
2123 u16 vector, intrl;
2124
2125 intrl = i40e_intrl_usec_to_reg(vsi->int_rate_limit);
2126
2127 vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs;
2128 vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs;
2129
2130 if (ec->use_adaptive_rx_coalesce)
2131 vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC;
2132 else
2133 vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
2134
2135 if (ec->use_adaptive_tx_coalesce)
2136 vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC;
2137 else
2138 vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
2139
2140 q_vector = vsi->rx_rings[queue]->q_vector;
2141 q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting);
2142 vector = vsi->base_vector + q_vector->v_idx;
2143 wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr);
2144
2145 q_vector = vsi->tx_rings[queue]->q_vector;
2146 q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting);
2147 vector = vsi->base_vector + q_vector->v_idx;
2148 wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr);
2149
2150 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
2151 i40e_flush(hw);
2152 }
2153
2154 /**
2155 * __i40e_set_coalesce - set coalesce settings for particular queue
2156 * @netdev: the netdev to change
2157 * @ec: ethtool coalesce settings
2158 * @queue: the queue to change
2159 *
2160 * Sets the coalesce settings for a particular queue.
2161 **/
2162 static int __i40e_set_coalesce(struct net_device *netdev,
2163 struct ethtool_coalesce *ec,
2164 int queue)
2165 {
2166 struct i40e_netdev_priv *np = netdev_priv(netdev);
2167 struct i40e_vsi *vsi = np->vsi;
2168 struct i40e_pf *pf = vsi->back;
2169 u16 intrl_reg;
2170 int i;
2171
2172 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
2173 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
2174
2175 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
2176 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
2177 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
2178 return -EINVAL;
2179 }
2180
2181 if (ec->rx_coalesce_usecs_high > INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
2182 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-%lu\n",
2183 INTRL_REG_TO_USEC(I40E_MAX_INTRL));
2184 return -EINVAL;
2185 }
2186
2187 if (ec->rx_coalesce_usecs == 0) {
2188 if (ec->use_adaptive_rx_coalesce)
2189 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
2190 } else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2191 (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2192 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
2193 return -EINVAL;
2194 }
2195
2196 intrl_reg = i40e_intrl_usec_to_reg(ec->rx_coalesce_usecs_high);
2197 vsi->int_rate_limit = INTRL_REG_TO_USEC(intrl_reg);
2198 if (vsi->int_rate_limit != ec->rx_coalesce_usecs_high) {
2199 netif_info(pf, drv, netdev, "Interrupt rate limit rounded down to %d\n",
2200 vsi->int_rate_limit);
2201 }
2202
2203 if (ec->tx_coalesce_usecs == 0) {
2204 if (ec->use_adaptive_tx_coalesce)
2205 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
2206 } else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2207 (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2208 netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
2209 return -EINVAL;
2210 }
2211
2212 /* rx and tx usecs has per queue value. If user doesn't specify the queue,
2213 * apply to all queues.
2214 */
2215 if (queue < 0) {
2216 for (i = 0; i < vsi->num_queue_pairs; i++)
2217 i40e_set_itr_per_queue(vsi, ec, i);
2218 } else if (queue < vsi->num_queue_pairs) {
2219 i40e_set_itr_per_queue(vsi, ec, queue);
2220 } else {
2221 netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
2222 vsi->num_queue_pairs - 1);
2223 return -EINVAL;
2224 }
2225
2226 return 0;
2227 }
2228
2229 /**
2230 * i40e_set_coalesce - set coalesce settings for every queue on the netdev
2231 * @netdev: the netdev to change
2232 * @ec: ethtool coalesce settings
2233 *
2234 * This will set each queue to the same coalesce settings.
2235 **/
2236 static int i40e_set_coalesce(struct net_device *netdev,
2237 struct ethtool_coalesce *ec)
2238 {
2239 return __i40e_set_coalesce(netdev, ec, -1);
2240 }
2241
2242 /**
2243 * i40e_set_per_queue_coalesce - set specific queue's coalesce settings
2244 * @netdev: the netdev to change
2245 * @ec: ethtool's coalesce settings
2246 * @queue: the queue to change
2247 *
2248 * Sets the specified queue's coalesce settings.
2249 **/
2250 static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
2251 struct ethtool_coalesce *ec)
2252 {
2253 return __i40e_set_coalesce(netdev, ec, queue);
2254 }
2255
2256 /**
2257 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
2258 * @pf: pointer to the physical function struct
2259 * @cmd: ethtool rxnfc command
2260 *
2261 * Returns Success if the flow is supported, else Invalid Input.
2262 **/
2263 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
2264 {
2265 struct i40e_hw *hw = &pf->hw;
2266 u8 flow_pctype = 0;
2267 u64 i_set = 0;
2268
2269 cmd->data = 0;
2270
2271 switch (cmd->flow_type) {
2272 case TCP_V4_FLOW:
2273 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2274 break;
2275 case UDP_V4_FLOW:
2276 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2277 break;
2278 case TCP_V6_FLOW:
2279 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2280 break;
2281 case UDP_V6_FLOW:
2282 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2283 break;
2284 case SCTP_V4_FLOW:
2285 case AH_ESP_V4_FLOW:
2286 case AH_V4_FLOW:
2287 case ESP_V4_FLOW:
2288 case IPV4_FLOW:
2289 case SCTP_V6_FLOW:
2290 case AH_ESP_V6_FLOW:
2291 case AH_V6_FLOW:
2292 case ESP_V6_FLOW:
2293 case IPV6_FLOW:
2294 /* Default is src/dest for IP, no matter the L4 hashing */
2295 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2296 break;
2297 default:
2298 return -EINVAL;
2299 }
2300
2301 /* Read flow based hash input set register */
2302 if (flow_pctype) {
2303 i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2304 flow_pctype)) |
2305 ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2306 flow_pctype)) << 32);
2307 }
2308
2309 /* Process bits of hash input set */
2310 if (i_set) {
2311 if (i_set & I40E_L4_SRC_MASK)
2312 cmd->data |= RXH_L4_B_0_1;
2313 if (i_set & I40E_L4_DST_MASK)
2314 cmd->data |= RXH_L4_B_2_3;
2315
2316 if (cmd->flow_type == TCP_V4_FLOW ||
2317 cmd->flow_type == UDP_V4_FLOW) {
2318 if (i_set & I40E_L3_SRC_MASK)
2319 cmd->data |= RXH_IP_SRC;
2320 if (i_set & I40E_L3_DST_MASK)
2321 cmd->data |= RXH_IP_DST;
2322 } else if (cmd->flow_type == TCP_V6_FLOW ||
2323 cmd->flow_type == UDP_V6_FLOW) {
2324 if (i_set & I40E_L3_V6_SRC_MASK)
2325 cmd->data |= RXH_IP_SRC;
2326 if (i_set & I40E_L3_V6_DST_MASK)
2327 cmd->data |= RXH_IP_DST;
2328 }
2329 }
2330
2331 return 0;
2332 }
2333
2334 /**
2335 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
2336 * @pf: Pointer to the physical function struct
2337 * @cmd: The command to get or set Rx flow classification rules
2338 * @rule_locs: Array of used rule locations
2339 *
2340 * This function populates both the total and actual rule count of
2341 * the ethtool flow classification command
2342 *
2343 * Returns 0 on success or -EMSGSIZE if entry not found
2344 **/
2345 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2346 struct ethtool_rxnfc *cmd,
2347 u32 *rule_locs)
2348 {
2349 struct i40e_fdir_filter *rule;
2350 struct hlist_node *node2;
2351 int cnt = 0;
2352
2353 /* report total rule count */
2354 cmd->data = i40e_get_fd_cnt_all(pf);
2355
2356 hlist_for_each_entry_safe(rule, node2,
2357 &pf->fdir_filter_list, fdir_node) {
2358 if (cnt == cmd->rule_cnt)
2359 return -EMSGSIZE;
2360
2361 rule_locs[cnt] = rule->fd_id;
2362 cnt++;
2363 }
2364
2365 cmd->rule_cnt = cnt;
2366
2367 return 0;
2368 }
2369
2370 /**
2371 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2372 * @pf: Pointer to the physical function struct
2373 * @cmd: The command to get or set Rx flow classification rules
2374 *
2375 * This function looks up a filter based on the Rx flow classification
2376 * command and fills the flow spec info for it if found
2377 *
2378 * Returns 0 on success or -EINVAL if filter not found
2379 **/
2380 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2381 struct ethtool_rxnfc *cmd)
2382 {
2383 struct ethtool_rx_flow_spec *fsp =
2384 (struct ethtool_rx_flow_spec *)&cmd->fs;
2385 struct i40e_fdir_filter *rule = NULL;
2386 struct hlist_node *node2;
2387 u64 input_set;
2388 u16 index;
2389
2390 hlist_for_each_entry_safe(rule, node2,
2391 &pf->fdir_filter_list, fdir_node) {
2392 if (fsp->location <= rule->fd_id)
2393 break;
2394 }
2395
2396 if (!rule || fsp->location != rule->fd_id)
2397 return -EINVAL;
2398
2399 fsp->flow_type = rule->flow_type;
2400 if (fsp->flow_type == IP_USER_FLOW) {
2401 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2402 fsp->h_u.usr_ip4_spec.proto = 0;
2403 fsp->m_u.usr_ip4_spec.proto = 0;
2404 }
2405
2406 /* Reverse the src and dest notion, since the HW views them from
2407 * Tx perspective where as the user expects it from Rx filter view.
2408 */
2409 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2410 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2411 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip;
2412 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip;
2413
2414 switch (rule->flow_type) {
2415 case TCP_V4_FLOW:
2416 index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2417 break;
2418 case UDP_V4_FLOW:
2419 index = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2420 break;
2421 case IP_USER_FLOW:
2422 index = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
2423 break;
2424 default:
2425 /* If we have stored a filter with a flow type not listed here
2426 * it is almost certainly a driver bug. WARN(), and then
2427 * assign the input_set as if all fields are enabled to avoid
2428 * reading unassigned memory.
2429 */
2430 WARN(1, "Missing input set index for flow_type %d\n",
2431 rule->flow_type);
2432 input_set = 0xFFFFFFFFFFFFFFFFULL;
2433 goto no_input_set;
2434 }
2435
2436 input_set = i40e_read_fd_input_set(pf, index);
2437
2438 no_input_set:
2439 if (input_set & I40E_L3_SRC_MASK)
2440 fsp->m_u.tcp_ip4_spec.ip4src = htonl(0xFFFF);
2441
2442 if (input_set & I40E_L3_DST_MASK)
2443 fsp->m_u.tcp_ip4_spec.ip4dst = htonl(0xFFFF);
2444
2445 if (input_set & I40E_L4_SRC_MASK)
2446 fsp->m_u.tcp_ip4_spec.psrc = htons(0xFFFFFFFF);
2447
2448 if (input_set & I40E_L4_DST_MASK)
2449 fsp->m_u.tcp_ip4_spec.pdst = htons(0xFFFFFFFF);
2450
2451 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2452 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2453 else
2454 fsp->ring_cookie = rule->q_index;
2455
2456 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2457 struct i40e_vsi *vsi;
2458
2459 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2460 if (vsi && vsi->type == I40E_VSI_SRIOV) {
2461 fsp->h_ext.data[1] = htonl(vsi->vf_id);
2462 fsp->m_ext.data[1] = htonl(0x1);
2463 }
2464 }
2465
2466 return 0;
2467 }
2468
2469 /**
2470 * i40e_get_rxnfc - command to get RX flow classification rules
2471 * @netdev: network interface device structure
2472 * @cmd: ethtool rxnfc command
2473 *
2474 * Returns Success if the command is supported.
2475 **/
2476 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2477 u32 *rule_locs)
2478 {
2479 struct i40e_netdev_priv *np = netdev_priv(netdev);
2480 struct i40e_vsi *vsi = np->vsi;
2481 struct i40e_pf *pf = vsi->back;
2482 int ret = -EOPNOTSUPP;
2483
2484 switch (cmd->cmd) {
2485 case ETHTOOL_GRXRINGS:
2486 cmd->data = vsi->num_queue_pairs;
2487 ret = 0;
2488 break;
2489 case ETHTOOL_GRXFH:
2490 ret = i40e_get_rss_hash_opts(pf, cmd);
2491 break;
2492 case ETHTOOL_GRXCLSRLCNT:
2493 cmd->rule_cnt = pf->fdir_pf_active_filters;
2494 /* report total rule count */
2495 cmd->data = i40e_get_fd_cnt_all(pf);
2496 ret = 0;
2497 break;
2498 case ETHTOOL_GRXCLSRULE:
2499 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2500 break;
2501 case ETHTOOL_GRXCLSRLALL:
2502 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2503 break;
2504 default:
2505 break;
2506 }
2507
2508 return ret;
2509 }
2510
2511 /**
2512 * i40e_get_rss_hash_bits - Read RSS Hash bits from register
2513 * @nfc: pointer to user request
2514 * @i_setc bits currently set
2515 *
2516 * Returns value of bits to be set per user request
2517 **/
2518 static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
2519 {
2520 u64 i_set = i_setc;
2521 u64 src_l3 = 0, dst_l3 = 0;
2522
2523 if (nfc->data & RXH_L4_B_0_1)
2524 i_set |= I40E_L4_SRC_MASK;
2525 else
2526 i_set &= ~I40E_L4_SRC_MASK;
2527 if (nfc->data & RXH_L4_B_2_3)
2528 i_set |= I40E_L4_DST_MASK;
2529 else
2530 i_set &= ~I40E_L4_DST_MASK;
2531
2532 if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
2533 src_l3 = I40E_L3_V6_SRC_MASK;
2534 dst_l3 = I40E_L3_V6_DST_MASK;
2535 } else if (nfc->flow_type == TCP_V4_FLOW ||
2536 nfc->flow_type == UDP_V4_FLOW) {
2537 src_l3 = I40E_L3_SRC_MASK;
2538 dst_l3 = I40E_L3_DST_MASK;
2539 } else {
2540 /* Any other flow type are not supported here */
2541 return i_set;
2542 }
2543
2544 if (nfc->data & RXH_IP_SRC)
2545 i_set |= src_l3;
2546 else
2547 i_set &= ~src_l3;
2548 if (nfc->data & RXH_IP_DST)
2549 i_set |= dst_l3;
2550 else
2551 i_set &= ~dst_l3;
2552
2553 return i_set;
2554 }
2555
2556 /**
2557 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2558 * @pf: pointer to the physical function struct
2559 * @cmd: ethtool rxnfc command
2560 *
2561 * Returns Success if the flow input set is supported.
2562 **/
2563 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2564 {
2565 struct i40e_hw *hw = &pf->hw;
2566 u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
2567 ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
2568 u8 flow_pctype = 0;
2569 u64 i_set, i_setc;
2570
2571 /* RSS does not support anything other than hashing
2572 * to queues on src and dst IPs and ports
2573 */
2574 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2575 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2576 return -EINVAL;
2577
2578 switch (nfc->flow_type) {
2579 case TCP_V4_FLOW:
2580 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2581 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2582 hena |=
2583 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
2584 break;
2585 case TCP_V6_FLOW:
2586 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2587 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2588 hena |=
2589 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
2590 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2591 hena |=
2592 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
2593 break;
2594 case UDP_V4_FLOW:
2595 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2596 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2597 hena |=
2598 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
2599 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);
2600
2601 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2602 break;
2603 case UDP_V6_FLOW:
2604 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2605 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2606 hena |=
2607 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
2608 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);
2609
2610 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2611 break;
2612 case AH_ESP_V4_FLOW:
2613 case AH_V4_FLOW:
2614 case ESP_V4_FLOW:
2615 case SCTP_V4_FLOW:
2616 if ((nfc->data & RXH_L4_B_0_1) ||
2617 (nfc->data & RXH_L4_B_2_3))
2618 return -EINVAL;
2619 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2620 break;
2621 case AH_ESP_V6_FLOW:
2622 case AH_V6_FLOW:
2623 case ESP_V6_FLOW:
2624 case SCTP_V6_FLOW:
2625 if ((nfc->data & RXH_L4_B_0_1) ||
2626 (nfc->data & RXH_L4_B_2_3))
2627 return -EINVAL;
2628 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2629 break;
2630 case IPV4_FLOW:
2631 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2632 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2633 break;
2634 case IPV6_FLOW:
2635 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2636 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2637 break;
2638 default:
2639 return -EINVAL;
2640 }
2641
2642 if (flow_pctype) {
2643 i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2644 flow_pctype)) |
2645 ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2646 flow_pctype)) << 32);
2647 i_set = i40e_get_rss_hash_bits(nfc, i_setc);
2648 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
2649 (u32)i_set);
2650 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
2651 (u32)(i_set >> 32));
2652 hena |= BIT_ULL(flow_pctype);
2653 }
2654
2655 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
2656 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2657 i40e_flush(hw);
2658
2659 return 0;
2660 }
2661
2662 /**
2663 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2664 * @vsi: Pointer to the targeted VSI
2665 * @input: The filter to update or NULL to indicate deletion
2666 * @sw_idx: Software index to the filter
2667 * @cmd: The command to get or set Rx flow classification rules
2668 *
2669 * This function updates (or deletes) a Flow Director entry from
2670 * the hlist of the corresponding PF
2671 *
2672 * Returns 0 on success
2673 **/
2674 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2675 struct i40e_fdir_filter *input,
2676 u16 sw_idx,
2677 struct ethtool_rxnfc *cmd)
2678 {
2679 struct i40e_fdir_filter *rule, *parent;
2680 struct i40e_pf *pf = vsi->back;
2681 struct hlist_node *node2;
2682 int err = -EINVAL;
2683
2684 parent = NULL;
2685 rule = NULL;
2686
2687 hlist_for_each_entry_safe(rule, node2,
2688 &pf->fdir_filter_list, fdir_node) {
2689 /* hash found, or no matching entry */
2690 if (rule->fd_id >= sw_idx)
2691 break;
2692 parent = rule;
2693 }
2694
2695 /* if there is an old rule occupying our place remove it */
2696 if (rule && (rule->fd_id == sw_idx)) {
2697 /* Remove this rule, since we're either deleting it, or
2698 * replacing it.
2699 */
2700 err = i40e_add_del_fdir(vsi, rule, false);
2701 hlist_del(&rule->fdir_node);
2702 kfree(rule);
2703 pf->fdir_pf_active_filters--;
2704 }
2705
2706 /* If we weren't given an input, this is a delete, so just return the
2707 * error code indicating if there was an entry at the requested slot
2708 */
2709 if (!input)
2710 return err;
2711
2712 /* Otherwise, install the new rule as requested */
2713 INIT_HLIST_NODE(&input->fdir_node);
2714
2715 /* add filter to the list */
2716 if (parent)
2717 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2718 else
2719 hlist_add_head(&input->fdir_node,
2720 &pf->fdir_filter_list);
2721
2722 /* update counts */
2723 pf->fdir_pf_active_filters++;
2724
2725 return 0;
2726 }
2727
2728 /**
2729 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2730 * @vsi: Pointer to the targeted VSI
2731 * @cmd: The command to get or set Rx flow classification rules
2732 *
2733 * The function removes a Flow Director filter entry from the
2734 * hlist of the corresponding PF
2735 *
2736 * Returns 0 on success
2737 */
2738 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2739 struct ethtool_rxnfc *cmd)
2740 {
2741 struct ethtool_rx_flow_spec *fsp =
2742 (struct ethtool_rx_flow_spec *)&cmd->fs;
2743 struct i40e_pf *pf = vsi->back;
2744 int ret = 0;
2745
2746 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2747 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2748 return -EBUSY;
2749
2750 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2751 return -EBUSY;
2752
2753 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2754
2755 i40e_fdir_check_and_reenable(pf);
2756 return ret;
2757 }
2758
2759 /**
2760 * i40e_check_fdir_input_set - Check that a given rx_flow_spec mask is valid
2761 * @vsi: pointer to the targeted VSI
2762 * @fsp: pointer to Rx flow specification
2763 *
2764 * Ensures that a given ethtool_rx_flow_spec has a valid mask.
2765 **/
2766 static int i40e_check_fdir_input_set(struct i40e_vsi *vsi,
2767 struct ethtool_rx_flow_spec *fsp)
2768 {
2769 struct i40e_pf *pf = vsi->back;
2770 struct ethtool_tcpip4_spec *tcp_ip4_spec;
2771 struct ethtool_usrip4_spec *usr_ip4_spec;
2772 u64 current_mask, new_mask;
2773 u16 index;
2774
2775 switch (fsp->flow_type & ~FLOW_EXT) {
2776 case TCP_V4_FLOW:
2777 index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2778 break;
2779 case UDP_V4_FLOW:
2780 index = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2781 break;
2782 case IP_USER_FLOW:
2783 index = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
2784 break;
2785 default:
2786 return -EOPNOTSUPP;
2787 }
2788
2789 /* Read the current input set from register memory. */
2790 current_mask = i40e_read_fd_input_set(pf, index);
2791 new_mask = current_mask;
2792
2793 /* Verify the provided mask is valid. */
2794 switch (fsp->flow_type & ~FLOW_EXT) {
2795 case TCP_V4_FLOW:
2796 case UDP_V4_FLOW:
2797 tcp_ip4_spec = &fsp->m_u.tcp_ip4_spec;
2798
2799 /* IPv4 source address */
2800 if (tcp_ip4_spec->ip4src == htonl(0xFFFFFFFF))
2801 new_mask |= I40E_L3_SRC_MASK;
2802 else if (!tcp_ip4_spec->ip4src)
2803 new_mask &= ~I40E_L3_SRC_MASK;
2804 else
2805 return -EOPNOTSUPP;
2806
2807 /* IPv4 destination address */
2808 if (tcp_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
2809 new_mask |= I40E_L3_DST_MASK;
2810 else if (!tcp_ip4_spec->ip4dst)
2811 new_mask &= ~I40E_L3_DST_MASK;
2812 else
2813 return -EOPNOTSUPP;
2814
2815 /* L4 source port */
2816 if (tcp_ip4_spec->psrc == htons(0xFFFF))
2817 new_mask |= I40E_L4_SRC_MASK;
2818 else if (!tcp_ip4_spec->psrc)
2819 new_mask &= ~I40E_L4_SRC_MASK;
2820 else
2821 return -EOPNOTSUPP;
2822
2823 /* L4 destination port */
2824 if (tcp_ip4_spec->pdst == htons(0xFFFF))
2825 new_mask |= I40E_L4_DST_MASK;
2826 else if (!tcp_ip4_spec->pdst)
2827 new_mask &= ~I40E_L4_DST_MASK;
2828 else
2829 return -EOPNOTSUPP;
2830
2831 /* Filtering on Type of Service is not supported. */
2832 if (tcp_ip4_spec->tos)
2833 return -EOPNOTSUPP;
2834
2835 break;
2836 case IP_USER_FLOW:
2837 usr_ip4_spec = &fsp->m_u.usr_ip4_spec;
2838
2839 /* IPv4 source address */
2840 if (usr_ip4_spec->ip4src == htonl(0xFFFFFFFF))
2841 new_mask |= I40E_L3_SRC_MASK;
2842 else if (!usr_ip4_spec->ip4src)
2843 new_mask &= ~I40E_L3_SRC_MASK;
2844 else
2845 return -EOPNOTSUPP;
2846
2847 /* IPv4 destination address */
2848 if (usr_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
2849 new_mask |= I40E_L3_DST_MASK;
2850 else if (!usr_ip4_spec->ip4dst)
2851 new_mask &= ~I40E_L3_DST_MASK;
2852 else
2853 return -EOPNOTSUPP;
2854
2855 /* First 4 bytes of L4 header */
2856 if (usr_ip4_spec->l4_4_bytes == htonl(0xFFFFFFFF))
2857 new_mask |= I40E_L4_SRC_MASK | I40E_L4_DST_MASK;
2858 else if (!usr_ip4_spec->l4_4_bytes)
2859 new_mask &= ~(I40E_L4_SRC_MASK | I40E_L4_DST_MASK);
2860 else
2861 return -EOPNOTSUPP;
2862
2863 /* Filtering on Type of Service is not supported. */
2864 if (usr_ip4_spec->tos)
2865 return -EOPNOTSUPP;
2866
2867 /* IP version does not have a mask field. */
2868 if (usr_ip4_spec->ip_ver)
2869 return -EINVAL;
2870
2871 /* L4 protocol doesn't have a mask field. */
2872 if (usr_ip4_spec->proto)
2873 return -EINVAL;
2874
2875 break;
2876 default:
2877 return -EOPNOTSUPP;
2878 }
2879
2880 if (new_mask != current_mask)
2881 return -EOPNOTSUPP;
2882
2883 return 0;
2884 }
2885
2886 /**
2887 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2888 * @vsi: pointer to the targeted VSI
2889 * @cmd: command to get or set RX flow classification rules
2890 *
2891 * Add Flow Director filters for a specific flow spec based on their
2892 * protocol. Returns 0 if the filters were successfully added.
2893 **/
2894 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2895 struct ethtool_rxnfc *cmd)
2896 {
2897 struct ethtool_rx_flow_spec *fsp;
2898 struct i40e_fdir_filter *input;
2899 struct i40e_pf *pf;
2900 int ret = -EINVAL;
2901 u16 vf_id;
2902
2903 if (!vsi)
2904 return -EINVAL;
2905 pf = vsi->back;
2906
2907 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2908 return -EOPNOTSUPP;
2909
2910 if (pf->hw_disabled_flags & I40E_FLAG_FD_SB_ENABLED)
2911 return -ENOSPC;
2912
2913 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2914 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2915 return -EBUSY;
2916
2917 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2918 return -EBUSY;
2919
2920 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2921
2922 /* Extended MAC field is not supported */
2923 if (fsp->flow_type & FLOW_MAC_EXT)
2924 return -EINVAL;
2925
2926 ret = i40e_check_fdir_input_set(vsi, fsp);
2927 if (ret)
2928 return ret;
2929
2930 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2931 pf->hw.func_caps.fd_filters_guaranteed)) {
2932 return -EINVAL;
2933 }
2934
2935 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2936 (fsp->ring_cookie >= vsi->num_queue_pairs))
2937 return -EINVAL;
2938
2939 input = kzalloc(sizeof(*input), GFP_KERNEL);
2940
2941 if (!input)
2942 return -ENOMEM;
2943
2944 input->fd_id = fsp->location;
2945
2946 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2947 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2948 else
2949 input->dest_ctl =
2950 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2951
2952 input->q_index = fsp->ring_cookie;
2953 input->flex_off = 0;
2954 input->pctype = 0;
2955 input->dest_vsi = vsi->id;
2956 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2957 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2958 input->flow_type = fsp->flow_type;
2959 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2960
2961 /* Reverse the src and dest notion, since the HW expects them to be from
2962 * Tx perspective where as the input from user is from Rx filter view.
2963 */
2964 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2965 input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2966 input->dst_ip = fsp->h_u.tcp_ip4_spec.ip4src;
2967 input->src_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
2968
2969 if (ntohl(fsp->m_ext.data[1])) {
2970 vf_id = ntohl(fsp->h_ext.data[1]);
2971 if (vf_id >= pf->num_alloc_vfs) {
2972 netif_info(pf, drv, vsi->netdev,
2973 "Invalid VF id %d\n", vf_id);
2974 goto free_input;
2975 }
2976 /* Find vsi id from vf id and override dest vsi */
2977 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2978 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2979 netif_info(pf, drv, vsi->netdev,
2980 "Invalid queue id %d for VF %d\n",
2981 input->q_index, vf_id);
2982 goto free_input;
2983 }
2984 }
2985
2986 ret = i40e_add_del_fdir(vsi, input, true);
2987 if (ret)
2988 goto free_input;
2989
2990 /* Add the input filter to the fdir_input_list, possibly replacing
2991 * a previous filter. Do not free the input structure after adding it
2992 * to the list as this would cause a use-after-free bug.
2993 */
2994 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2995
2996 return 0;
2997
2998 free_input:
2999 kfree(input);
3000 return ret;
3001 }
3002
3003 /**
3004 * i40e_set_rxnfc - command to set RX flow classification rules
3005 * @netdev: network interface device structure
3006 * @cmd: ethtool rxnfc command
3007 *
3008 * Returns Success if the command is supported.
3009 **/
3010 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
3011 {
3012 struct i40e_netdev_priv *np = netdev_priv(netdev);
3013 struct i40e_vsi *vsi = np->vsi;
3014 struct i40e_pf *pf = vsi->back;
3015 int ret = -EOPNOTSUPP;
3016
3017 switch (cmd->cmd) {
3018 case ETHTOOL_SRXFH:
3019 ret = i40e_set_rss_hash_opt(pf, cmd);
3020 break;
3021 case ETHTOOL_SRXCLSRLINS:
3022 ret = i40e_add_fdir_ethtool(vsi, cmd);
3023 break;
3024 case ETHTOOL_SRXCLSRLDEL:
3025 ret = i40e_del_fdir_entry(vsi, cmd);
3026 break;
3027 default:
3028 break;
3029 }
3030
3031 return ret;
3032 }
3033
3034 /**
3035 * i40e_max_channels - get Max number of combined channels supported
3036 * @vsi: vsi pointer
3037 **/
3038 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
3039 {
3040 /* TODO: This code assumes DCB and FD is disabled for now. */
3041 return vsi->alloc_queue_pairs;
3042 }
3043
3044 /**
3045 * i40e_get_channels - Get the current channels enabled and max supported etc.
3046 * @netdev: network interface device structure
3047 * @ch: ethtool channels structure
3048 *
3049 * We don't support separate tx and rx queues as channels. The other count
3050 * represents how many queues are being used for control. max_combined counts
3051 * how many queue pairs we can support. They may not be mapped 1 to 1 with
3052 * q_vectors since we support a lot more queue pairs than q_vectors.
3053 **/
3054 static void i40e_get_channels(struct net_device *dev,
3055 struct ethtool_channels *ch)
3056 {
3057 struct i40e_netdev_priv *np = netdev_priv(dev);
3058 struct i40e_vsi *vsi = np->vsi;
3059 struct i40e_pf *pf = vsi->back;
3060
3061 /* report maximum channels */
3062 ch->max_combined = i40e_max_channels(vsi);
3063
3064 /* report info for other vector */
3065 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
3066 ch->max_other = ch->other_count;
3067
3068 /* Note: This code assumes DCB is disabled for now. */
3069 ch->combined_count = vsi->num_queue_pairs;
3070 }
3071
3072 /**
3073 * i40e_set_channels - Set the new channels count.
3074 * @netdev: network interface device structure
3075 * @ch: ethtool channels structure
3076 *
3077 * The new channels count may not be the same as requested by the user
3078 * since it gets rounded down to a power of 2 value.
3079 **/
3080 static int i40e_set_channels(struct net_device *dev,
3081 struct ethtool_channels *ch)
3082 {
3083 const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
3084 struct i40e_netdev_priv *np = netdev_priv(dev);
3085 unsigned int count = ch->combined_count;
3086 struct i40e_vsi *vsi = np->vsi;
3087 struct i40e_pf *pf = vsi->back;
3088 struct i40e_fdir_filter *rule;
3089 struct hlist_node *node2;
3090 int new_count;
3091 int err = 0;
3092
3093 /* We do not support setting channels for any other VSI at present */
3094 if (vsi->type != I40E_VSI_MAIN)
3095 return -EINVAL;
3096
3097 /* verify they are not requesting separate vectors */
3098 if (!count || ch->rx_count || ch->tx_count)
3099 return -EINVAL;
3100
3101 /* verify other_count has not changed */
3102 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
3103 return -EINVAL;
3104
3105 /* verify the number of channels does not exceed hardware limits */
3106 if (count > i40e_max_channels(vsi))
3107 return -EINVAL;
3108
3109 /* verify that the number of channels does not invalidate any current
3110 * flow director rules
3111 */
3112 hlist_for_each_entry_safe(rule, node2,
3113 &pf->fdir_filter_list, fdir_node) {
3114 if (rule->dest_ctl != drop && count <= rule->q_index) {
3115 dev_warn(&pf->pdev->dev,
3116 "Existing user defined filter %d assigns flow to queue %d\n",
3117 rule->fd_id, rule->q_index);
3118 err = -EINVAL;
3119 }
3120 }
3121
3122 if (err) {
3123 dev_err(&pf->pdev->dev,
3124 "Existing filter rules must be deleted to reduce combined channel count to %d\n",
3125 count);
3126 return err;
3127 }
3128
3129 /* update feature limits from largest to smallest supported values */
3130 /* TODO: Flow director limit, DCB etc */
3131
3132 /* use rss_reconfig to rebuild with new queue count and update traffic
3133 * class queue mapping
3134 */
3135 new_count = i40e_reconfig_rss_queues(pf, count);
3136 if (new_count > 0)
3137 return 0;
3138 else
3139 return -EINVAL;
3140 }
3141
3142 /**
3143 * i40e_get_rxfh_key_size - get the RSS hash key size
3144 * @netdev: network interface device structure
3145 *
3146 * Returns the table size.
3147 **/
3148 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
3149 {
3150 return I40E_HKEY_ARRAY_SIZE;
3151 }
3152
3153 /**
3154 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
3155 * @netdev: network interface device structure
3156 *
3157 * Returns the table size.
3158 **/
3159 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
3160 {
3161 return I40E_HLUT_ARRAY_SIZE;
3162 }
3163
3164 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
3165 u8 *hfunc)
3166 {
3167 struct i40e_netdev_priv *np = netdev_priv(netdev);
3168 struct i40e_vsi *vsi = np->vsi;
3169 u8 *lut, *seed = NULL;
3170 int ret;
3171 u16 i;
3172
3173 if (hfunc)
3174 *hfunc = ETH_RSS_HASH_TOP;
3175
3176 if (!indir)
3177 return 0;
3178
3179 seed = key;
3180 lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
3181 if (!lut)
3182 return -ENOMEM;
3183 ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
3184 if (ret)
3185 goto out;
3186 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
3187 indir[i] = (u32)(lut[i]);
3188
3189 out:
3190 kfree(lut);
3191
3192 return ret;
3193 }
3194
3195 /**
3196 * i40e_set_rxfh - set the rx flow hash indirection table
3197 * @netdev: network interface device structure
3198 * @indir: indirection table
3199 * @key: hash key
3200 *
3201 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
3202 * returns 0 after programming the table.
3203 **/
3204 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
3205 const u8 *key, const u8 hfunc)
3206 {
3207 struct i40e_netdev_priv *np = netdev_priv(netdev);
3208 struct i40e_vsi *vsi = np->vsi;
3209 struct i40e_pf *pf = vsi->back;
3210 u8 *seed = NULL;
3211 u16 i;
3212
3213 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3214 return -EOPNOTSUPP;
3215
3216 if (key) {
3217 if (!vsi->rss_hkey_user) {
3218 vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
3219 GFP_KERNEL);
3220 if (!vsi->rss_hkey_user)
3221 return -ENOMEM;
3222 }
3223 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
3224 seed = vsi->rss_hkey_user;
3225 }
3226 if (!vsi->rss_lut_user) {
3227 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
3228 if (!vsi->rss_lut_user)
3229 return -ENOMEM;
3230 }
3231
3232 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3233 if (indir)
3234 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
3235 vsi->rss_lut_user[i] = (u8)(indir[i]);
3236 else
3237 i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
3238 vsi->rss_size);
3239
3240 return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
3241 I40E_HLUT_ARRAY_SIZE);
3242 }
3243
3244 /**
3245 * i40e_get_priv_flags - report device private flags
3246 * @dev: network interface device structure
3247 *
3248 * The get string set count and the string set should be matched for each
3249 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
3250 * array.
3251 *
3252 * Returns a u32 bitmap of flags.
3253 **/
3254 static u32 i40e_get_priv_flags(struct net_device *dev)
3255 {
3256 struct i40e_netdev_priv *np = netdev_priv(dev);
3257 struct i40e_vsi *vsi = np->vsi;
3258 struct i40e_pf *pf = vsi->back;
3259 u32 ret_flags = 0;
3260
3261 ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
3262 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
3263 ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
3264 I40E_PRIV_FLAGS_FD_ATR : 0;
3265 ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
3266 I40E_PRIV_FLAGS_VEB_STATS : 0;
3267 ret_flags |= pf->hw_disabled_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ?
3268 0 : I40E_PRIV_FLAGS_HW_ATR_EVICT;
3269 if (pf->hw.pf_id == 0) {
3270 ret_flags |= pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT ?
3271 I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT : 0;
3272 }
3273
3274 return ret_flags;
3275 }
3276
3277 /**
3278 * i40e_set_priv_flags - set private flags
3279 * @dev: network interface device structure
3280 * @flags: bit flags to be set
3281 **/
3282 static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
3283 {
3284 struct i40e_netdev_priv *np = netdev_priv(dev);
3285 struct i40e_vsi *vsi = np->vsi;
3286 struct i40e_pf *pf = vsi->back;
3287 u16 sw_flags = 0, valid_flags = 0;
3288 bool reset_required = false;
3289 bool promisc_change = false;
3290 int ret;
3291
3292 /* NOTE: MFP is not settable */
3293
3294 if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
3295 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
3296 else
3297 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
3298
3299 /* allow the user to control the state of the Flow
3300 * Director ATR (Application Targeted Routing) feature
3301 * of the driver
3302 */
3303 if (flags & I40E_PRIV_FLAGS_FD_ATR) {
3304 pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
3305 } else {
3306 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
3307 pf->hw_disabled_flags |= I40E_FLAG_FD_ATR_ENABLED;
3308
3309 /* flush current ATR settings */
3310 set_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state);
3311 }
3312
3313 if ((flags & I40E_PRIV_FLAGS_VEB_STATS) &&
3314 !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3315 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
3316 reset_required = true;
3317 } else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) &&
3318 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3319 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
3320 reset_required = true;
3321 }
3322
3323 if (pf->hw.pf_id == 0) {
3324 if ((flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
3325 !(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
3326 pf->flags |= I40E_FLAG_TRUE_PROMISC_SUPPORT;
3327 promisc_change = true;
3328 } else if (!(flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
3329 (pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
3330 pf->flags &= ~I40E_FLAG_TRUE_PROMISC_SUPPORT;
3331 promisc_change = true;
3332 }
3333 }
3334 if (promisc_change) {
3335 if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
3336 sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
3337 valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
3338 ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
3339 NULL);
3340 if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
3341 dev_info(&pf->pdev->dev,
3342 "couldn't set switch config bits, err %s aq_err %s\n",
3343 i40e_stat_str(&pf->hw, ret),
3344 i40e_aq_str(&pf->hw,
3345 pf->hw.aq.asq_last_status));
3346 /* not a fatal problem, just keep going */
3347 }
3348 }
3349
3350 if ((flags & I40E_PRIV_FLAGS_HW_ATR_EVICT) &&
3351 (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE))
3352 pf->hw_disabled_flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE;
3353 else
3354 pf->hw_disabled_flags |= I40E_FLAG_HW_ATR_EVICT_CAPABLE;
3355
3356 /* if needed, issue reset to cause things to take effect */
3357 if (reset_required)
3358 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
3359
3360 return 0;
3361 }
3362
3363 static const struct ethtool_ops i40e_ethtool_ops = {
3364 .get_drvinfo = i40e_get_drvinfo,
3365 .get_regs_len = i40e_get_regs_len,
3366 .get_regs = i40e_get_regs,
3367 .nway_reset = i40e_nway_reset,
3368 .get_link = ethtool_op_get_link,
3369 .get_wol = i40e_get_wol,
3370 .set_wol = i40e_set_wol,
3371 .set_eeprom = i40e_set_eeprom,
3372 .get_eeprom_len = i40e_get_eeprom_len,
3373 .get_eeprom = i40e_get_eeprom,
3374 .get_ringparam = i40e_get_ringparam,
3375 .set_ringparam = i40e_set_ringparam,
3376 .get_pauseparam = i40e_get_pauseparam,
3377 .set_pauseparam = i40e_set_pauseparam,
3378 .get_msglevel = i40e_get_msglevel,
3379 .set_msglevel = i40e_set_msglevel,
3380 .get_rxnfc = i40e_get_rxnfc,
3381 .set_rxnfc = i40e_set_rxnfc,
3382 .self_test = i40e_diag_test,
3383 .get_strings = i40e_get_strings,
3384 .set_phys_id = i40e_set_phys_id,
3385 .get_sset_count = i40e_get_sset_count,
3386 .get_ethtool_stats = i40e_get_ethtool_stats,
3387 .get_coalesce = i40e_get_coalesce,
3388 .set_coalesce = i40e_set_coalesce,
3389 .get_rxfh_key_size = i40e_get_rxfh_key_size,
3390 .get_rxfh_indir_size = i40e_get_rxfh_indir_size,
3391 .get_rxfh = i40e_get_rxfh,
3392 .set_rxfh = i40e_set_rxfh,
3393 .get_channels = i40e_get_channels,
3394 .set_channels = i40e_set_channels,
3395 .get_ts_info = i40e_get_ts_info,
3396 .get_priv_flags = i40e_get_priv_flags,
3397 .set_priv_flags = i40e_set_priv_flags,
3398 .get_per_queue_coalesce = i40e_get_per_queue_coalesce,
3399 .set_per_queue_coalesce = i40e_set_per_queue_coalesce,
3400 .get_link_ksettings = i40e_get_link_ksettings,
3401 .set_link_ksettings = i40e_set_link_ksettings,
3402 };
3403
3404 void i40e_set_ethtool_ops(struct net_device *netdev)
3405 {
3406 netdev->ethtool_ops = &i40e_ethtool_ops;
3407 }
(deprecated) Btrfs devel tree