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i40e: Fix GPL header
[deliverable/linux.git] / drivers / net / ethernet / intel / i40e / i40e_ethtool.c
CommitLineData
c7d05ca8
JB		 1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
dc641b73 4 * Copyright(c) 2013 - 2014 Intel Corporation.
c7d05ca8
JB		 5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
dc641b73
GR		 15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
c7d05ca8
JB		 17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27/* ethtool support for i40e */
28
29#include "i40e.h"
30#include "i40e_diag.h"
31
32struct i40e_stats {
33 char stat_string[ETH_GSTRING_LEN];
34 int sizeof_stat;
35 int stat_offset;
36};
37
38#define I40E_STAT(_type, _name, _stat) { \
39 .stat_string = _name, \
40 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
41 .stat_offset = offsetof(_type, _stat) \
42}
43#define I40E_NETDEV_STAT(_net_stat) \
44 I40E_STAT(struct net_device_stats, #_net_stat, _net_stat)
45#define I40E_PF_STAT(_name, _stat) \
46 I40E_STAT(struct i40e_pf, _name, _stat)
47#define I40E_VSI_STAT(_name, _stat) \
48 I40E_STAT(struct i40e_vsi, _name, _stat)
49
50static const struct i40e_stats i40e_gstrings_net_stats[] = {
51 I40E_NETDEV_STAT(rx_packets),
52 I40E_NETDEV_STAT(tx_packets),
53 I40E_NETDEV_STAT(rx_bytes),
54 I40E_NETDEV_STAT(tx_bytes),
55 I40E_NETDEV_STAT(rx_errors),
56 I40E_NETDEV_STAT(tx_errors),
57 I40E_NETDEV_STAT(rx_dropped),
58 I40E_NETDEV_STAT(tx_dropped),
59 I40E_NETDEV_STAT(multicast),
60 I40E_NETDEV_STAT(collisions),
61 I40E_NETDEV_STAT(rx_length_errors),
62 I40E_NETDEV_STAT(rx_crc_errors),
63};
64
65/* These PF_STATs might look like duplicates of some NETDEV_STATs,
66 * but they are separate. This device supports Virtualization, and
67 * as such might have several netdevs supporting VMDq and FCoE going
68 * through a single port. The NETDEV_STATs are for individual netdevs
69 * seen at the top of the stack, and the PF_STATs are for the physical
70 * function at the bottom of the stack hosting those netdevs.
71 *
72 * The PF_STATs are appended to the netdev stats only when ethtool -S
73 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
74 */
75static struct i40e_stats i40e_gstrings_stats[] = {
76 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
77 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
78 I40E_PF_STAT("rx_errors", stats.eth.rx_errors),
79 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
80 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
81 I40E_PF_STAT("tx_dropped", stats.eth.tx_discards),
82 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
83 I40E_PF_STAT("crc_errors", stats.crc_errors),
84 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
85 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
86 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
87 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
88 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
89 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
90 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
91 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
92 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
93 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
94 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
95 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
96 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
97 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
98 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
99 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
100 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
101 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
102 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
103 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
104 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
105 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
106 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
107 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
108 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
109 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
110 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
111};
112
113#define I40E_QUEUE_STATS_LEN(n) \
114 ((((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs + \
115 ((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs) * 2)
116#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
117#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
118#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
119 I40E_QUEUE_STATS_LEN((n)))
120#define I40E_PFC_STATS_LEN ( \
121 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
122 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
123 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
124 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
125 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
126 / sizeof(u64))
127#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
128 I40E_PFC_STATS_LEN + \
129 I40E_VSI_STATS_LEN((n)))
130
131enum i40e_ethtool_test_id {
132 I40E_ETH_TEST_REG = 0,
133 I40E_ETH_TEST_EEPROM,
134 I40E_ETH_TEST_INTR,
135 I40E_ETH_TEST_LOOPBACK,
136 I40E_ETH_TEST_LINK,
137};
138
139static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
140 "Register test (offline)",
141 "Eeprom test (offline)",
142 "Interrupt test (offline)",
143 "Loopback test (offline)",
144 "Link test (on/offline)"
145};
146
147#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
148
149/**
150 * i40e_get_settings - Get Link Speed and Duplex settings
151 * @netdev: network interface device structure
152 * @ecmd: ethtool command
153 *
154 * Reports speed/duplex settings based on media_type
155 **/
156static int i40e_get_settings(struct net_device *netdev,
157 struct ethtool_cmd *ecmd)
158{
159 struct i40e_netdev_priv *np = netdev_priv(netdev);
160 struct i40e_pf *pf = np->vsi->back;
161 struct i40e_hw *hw = &pf->hw;
162 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
163 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
164 u32 link_speed = hw_link_info->link_speed;
165
166 /* hardware is either in 40G mode or 10G mode
167 * NOTE: this section initializes supported and advertising
168 */
169 switch (hw_link_info->phy_type) {
170 case I40E_PHY_TYPE_40GBASE_CR4:
171 case I40E_PHY_TYPE_40GBASE_CR4_CU:
172 ecmd->supported = SUPPORTED_40000baseCR4_Full;
173 ecmd->advertising = ADVERTISED_40000baseCR4_Full;
174 break;
175 case I40E_PHY_TYPE_40GBASE_KR4:
176 ecmd->supported = SUPPORTED_40000baseKR4_Full;
177 ecmd->advertising = ADVERTISED_40000baseKR4_Full;
178 break;
179 case I40E_PHY_TYPE_40GBASE_SR4:
180 ecmd->supported = SUPPORTED_40000baseSR4_Full;
181 ecmd->advertising = ADVERTISED_40000baseSR4_Full;
182 break;
183 case I40E_PHY_TYPE_40GBASE_LR4:
184 ecmd->supported = SUPPORTED_40000baseLR4_Full;
185 ecmd->advertising = ADVERTISED_40000baseLR4_Full;
186 break;
187 case I40E_PHY_TYPE_10GBASE_KX4:
188 ecmd->supported = SUPPORTED_10000baseKX4_Full;
189 ecmd->advertising = ADVERTISED_10000baseKX4_Full;
190 break;
191 case I40E_PHY_TYPE_10GBASE_KR:
192 ecmd->supported = SUPPORTED_10000baseKR_Full;
193 ecmd->advertising = ADVERTISED_10000baseKR_Full;
194 break;
c7d05ca8 195 default:
c9a3d471
JB		 196 if (i40e_is_40G_device(hw->device_id)) {
197 ecmd->supported = SUPPORTED_40000baseSR4_Full;
198 ecmd->advertising = ADVERTISED_40000baseSR4_Full;
199 } else {
200 ecmd->supported = SUPPORTED_10000baseT_Full;
201 ecmd->advertising = ADVERTISED_10000baseT_Full;
202 }
c7d05ca8
JB		 203 break;
204 }
205
c7d05ca8 206 ecmd->supported |= SUPPORTED_Autoneg;
c9a3d471
JB		 207 ecmd->advertising |= ADVERTISED_Autoneg;
208 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
209 AUTONEG_ENABLE : AUTONEG_DISABLE);
c7d05ca8 210
c9a3d471
JB		 211 switch (hw->phy.media_type) {
212 case I40E_MEDIA_TYPE_BACKPLANE:
c7d05ca8
JB		 213 ecmd->supported |= SUPPORTED_Backplane;
214 ecmd->advertising |= ADVERTISED_Backplane;
215 ecmd->port = PORT_NONE;
c9a3d471
JB		 216 break;
217 case I40E_MEDIA_TYPE_BASET:
c7d05ca8
JB		 218 ecmd->supported |= SUPPORTED_TP;
219 ecmd->advertising |= ADVERTISED_TP;
220 ecmd->port = PORT_TP;
c9a3d471
JB		 221 break;
222 case I40E_MEDIA_TYPE_DA:
223 case I40E_MEDIA_TYPE_CX4:
be405eb0
JB		 224 ecmd->supported |= SUPPORTED_FIBRE;
225 ecmd->advertising |= ADVERTISED_FIBRE;
226 ecmd->port = PORT_DA;
c9a3d471
JB		 227 break;
228 case I40E_MEDIA_TYPE_FIBER:
c7d05ca8
JB		 229 ecmd->supported |= SUPPORTED_FIBRE;
230 ecmd->advertising |= ADVERTISED_FIBRE;
231 ecmd->port = PORT_FIBRE;
c9a3d471
JB		 232 break;
233 case I40E_MEDIA_TYPE_UNKNOWN:
234 default:
235 ecmd->port = PORT_OTHER;
236 break;
c7d05ca8
JB		 237 }
238
239 ecmd->transceiver = XCVR_EXTERNAL;
240
241 if (link_up) {
242 switch (link_speed) {
243 case I40E_LINK_SPEED_40GB:
244 /* need a SPEED_40000 in ethtool.h */
245 ethtool_cmd_speed_set(ecmd, 40000);
246 break;
247 case I40E_LINK_SPEED_10GB:
248 ethtool_cmd_speed_set(ecmd, SPEED_10000);
249 break;
250 default:
251 break;
252 }
253 ecmd->duplex = DUPLEX_FULL;
254 } else {
255 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
256 ecmd->duplex = DUPLEX_UNKNOWN;
257 }
258
259 return 0;
260}
261
262/**
263 * i40e_get_pauseparam - Get Flow Control status
264 * Return tx/rx-pause status
265 **/
266static void i40e_get_pauseparam(struct net_device *netdev,
267 struct ethtool_pauseparam *pause)
268{
269 struct i40e_netdev_priv *np = netdev_priv(netdev);
270 struct i40e_pf *pf = np->vsi->back;
271 struct i40e_hw *hw = &pf->hw;
272 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
273
274 pause->autoneg =
275 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
276 AUTONEG_ENABLE : AUTONEG_DISABLE);
277
d52c20b7 278 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
c7d05ca8 279 pause->rx_pause = 1;
d52c20b7 280 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
c7d05ca8 281 pause->tx_pause = 1;
d52c20b7
JB		 282 } else if (hw->fc.current_mode == I40E_FC_FULL) {
283 pause->rx_pause = 1;
284 pause->tx_pause = 1;
285 }
c7d05ca8
JB		 286}
287
288static u32 i40e_get_msglevel(struct net_device *netdev)
289{
290 struct i40e_netdev_priv *np = netdev_priv(netdev);
291 struct i40e_pf *pf = np->vsi->back;
292
293 return pf->msg_enable;
294}
295
296static void i40e_set_msglevel(struct net_device *netdev, u32 data)
297{
298 struct i40e_netdev_priv *np = netdev_priv(netdev);
299 struct i40e_pf *pf = np->vsi->back;
300
301 if (I40E_DEBUG_USER & data)
302 pf->hw.debug_mask = data;
303 pf->msg_enable = data;
304}
305
306static int i40e_get_regs_len(struct net_device *netdev)
307{
308 int reg_count = 0;
309 int i;
310
311 for (i = 0; i40e_reg_list[i].offset != 0; i++)
312 reg_count += i40e_reg_list[i].elements;
313
314 return reg_count * sizeof(u32);
315}
316
317static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
318 void *p)
319{
320 struct i40e_netdev_priv *np = netdev_priv(netdev);
321 struct i40e_pf *pf = np->vsi->back;
322 struct i40e_hw *hw = &pf->hw;
323 u32 *reg_buf = p;
324 int i, j, ri;
325 u32 reg;
326
327 /* Tell ethtool which driver-version-specific regs output we have.
328 *
329 * At some point, if we have ethtool doing special formatting of
330 * this data, it will rely on this version number to know how to
331 * interpret things. Hence, this needs to be updated if/when the
332 * diags register table is changed.
333 */
334 regs->version = 1;
335
336 /* loop through the diags reg table for what to print */
337 ri = 0;
338 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
339 for (j = 0; j < i40e_reg_list[i].elements; j++) {
340 reg = i40e_reg_list[i].offset
341 + (j * i40e_reg_list[i].stride);
342 reg_buf[ri++] = rd32(hw, reg);
343 }
344 }
345
346}
347
348static int i40e_get_eeprom(struct net_device *netdev,
349 struct ethtool_eeprom *eeprom, u8 *bytes)
350{
351 struct i40e_netdev_priv *np = netdev_priv(netdev);
352 struct i40e_hw *hw = &np->vsi->back->hw;
e5e0a5db
ASJ		 353 struct i40e_pf *pf = np->vsi->back;
354 int ret_val = 0, len;
355 u8 *eeprom_buff;
356 u16 i, sectors;
357 bool last;
358#define I40E_NVM_SECTOR_SIZE 4096
c7d05ca8
JB		 359 if (eeprom->len == 0)
360 return -EINVAL;
361
362 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
363
e5e0a5db 364 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
c7d05ca8
JB		 365 if (!eeprom_buff)
366 return -ENOMEM;
367
e5e0a5db
ASJ		 368 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
369 if (ret_val) {
370 dev_info(&pf->pdev->dev,
371 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
372 ret_val, hw->aq.asq_last_status);
373 goto free_buff;
c7d05ca8
JB		 374 }
375
e5e0a5db
ASJ		 376 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
377 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
378 len = I40E_NVM_SECTOR_SIZE;
379 last = false;
380 for (i = 0; i < sectors; i++) {
381 if (i == (sectors - 1)) {
382 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
383 last = true;
384 }
385 ret_val = i40e_aq_read_nvm(hw, 0x0,
386 eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
387 len,
388 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
389 last, NULL);
390 if (ret_val) {
391 dev_info(&pf->pdev->dev,
392 "read NVM failed err=%d status=0x%x\n",
393 ret_val, hw->aq.asq_last_status);
394 goto release_nvm;
395 }
396 }
c7d05ca8 397
e5e0a5db
ASJ		 398release_nvm:
399 i40e_release_nvm(hw);
400 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
401free_buff:
c7d05ca8 402 kfree(eeprom_buff);
c7d05ca8
JB		 403 return ret_val;
404}
405
406static int i40e_get_eeprom_len(struct net_device *netdev)
407{
408 struct i40e_netdev_priv *np = netdev_priv(netdev);
409 struct i40e_hw *hw = &np->vsi->back->hw;
e5e0a5db
ASJ		 410 u32 val;
411
412 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
413 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
414 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
415 /* register returns value in power of 2, 64Kbyte chunks. */
416 val = (64 * 1024) * (1 << val);
417 return val;
c7d05ca8
JB		 418}
419
420static void i40e_get_drvinfo(struct net_device *netdev,
421 struct ethtool_drvinfo *drvinfo)
422{
423 struct i40e_netdev_priv *np = netdev_priv(netdev);
424 struct i40e_vsi *vsi = np->vsi;
425 struct i40e_pf *pf = vsi->back;
426
427 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
428 strlcpy(drvinfo->version, i40e_driver_version_str,
429 sizeof(drvinfo->version));
430 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
431 sizeof(drvinfo->fw_version));
432 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
433 sizeof(drvinfo->bus_info));
434}
435
436static void i40e_get_ringparam(struct net_device *netdev,
437 struct ethtool_ringparam *ring)
438{
439 struct i40e_netdev_priv *np = netdev_priv(netdev);
440 struct i40e_pf *pf = np->vsi->back;
441 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
442
443 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
444 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
445 ring->rx_mini_max_pending = 0;
446 ring->rx_jumbo_max_pending = 0;
9f65e15b
AD		 447 ring->rx_pending = vsi->rx_rings[0]->count;
448 ring->tx_pending = vsi->tx_rings[0]->count;
c7d05ca8
JB		 449 ring->rx_mini_pending = 0;
450 ring->rx_jumbo_pending = 0;
451}
452
453static int i40e_set_ringparam(struct net_device *netdev,
454 struct ethtool_ringparam *ring)
455{
456 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
457 struct i40e_netdev_priv *np = netdev_priv(netdev);
458 struct i40e_vsi *vsi = np->vsi;
459 struct i40e_pf *pf = vsi->back;
460 u32 new_rx_count, new_tx_count;
461 int i, err = 0;
462
463 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
464 return -EINVAL;
465
1fa18370
SN		 466 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
467 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
468 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
469 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
470 netdev_info(netdev,
471 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
472 ring->tx_pending, ring->rx_pending,
473 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
474 return -EINVAL;
475 }
476
477 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
478 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
c7d05ca8
JB		 479
480 /* if nothing to do return success */
9f65e15b
AD		 481 if ((new_tx_count == vsi->tx_rings[0]->count) &&
482 (new_rx_count == vsi->rx_rings[0]->count))
c7d05ca8
JB		 483 return 0;
484
485 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
486 usleep_range(1000, 2000);
487
488 if (!netif_running(vsi->netdev)) {
489 /* simple case - set for the next time the netdev is started */
490 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 491 vsi->tx_rings[i]->count = new_tx_count;
492 vsi->rx_rings[i]->count = new_rx_count;
c7d05ca8
JB		 493 }
494 goto done;
495 }
496
497 /* We can't just free everything and then setup again,
498 * because the ISRs in MSI-X mode get passed pointers
499 * to the Tx and Rx ring structs.
500 */
501
502 /* alloc updated Tx resources */
9f65e15b 503 if (new_tx_count != vsi->tx_rings[0]->count) {
c7d05ca8
JB		 504 netdev_info(netdev,
505 "Changing Tx descriptor count from %d to %d.\n",
9f65e15b 506 vsi->tx_rings[0]->count, new_tx_count);
c7d05ca8
JB		 507 tx_rings = kcalloc(vsi->alloc_queue_pairs,
508 sizeof(struct i40e_ring), GFP_KERNEL);
509 if (!tx_rings) {
510 err = -ENOMEM;
511 goto done;
512 }
513
514 for (i = 0; i < vsi->num_queue_pairs; i++) {
515 /* clone ring and setup updated count */
9f65e15b 516 tx_rings[i] = *vsi->tx_rings[i];
c7d05ca8
JB		 517 tx_rings[i].count = new_tx_count;
518 err = i40e_setup_tx_descriptors(&tx_rings[i]);
519 if (err) {
520 while (i) {
521 i--;
522 i40e_free_tx_resources(&tx_rings[i]);
523 }
524 kfree(tx_rings);
525 tx_rings = NULL;
526
527 goto done;
528 }
529 }
530 }
531
532 /* alloc updated Rx resources */
9f65e15b 533 if (new_rx_count != vsi->rx_rings[0]->count) {
c7d05ca8
JB		 534 netdev_info(netdev,
535 "Changing Rx descriptor count from %d to %d\n",
9f65e15b 536 vsi->rx_rings[0]->count, new_rx_count);
c7d05ca8
JB		 537 rx_rings = kcalloc(vsi->alloc_queue_pairs,
538 sizeof(struct i40e_ring), GFP_KERNEL);
539 if (!rx_rings) {
540 err = -ENOMEM;
541 goto free_tx;
542 }
543
544 for (i = 0; i < vsi->num_queue_pairs; i++) {
545 /* clone ring and setup updated count */
9f65e15b 546 rx_rings[i] = *vsi->rx_rings[i];
c7d05ca8
JB		 547 rx_rings[i].count = new_rx_count;
548 err = i40e_setup_rx_descriptors(&rx_rings[i]);
549 if (err) {
550 while (i) {
551 i--;
552 i40e_free_rx_resources(&rx_rings[i]);
553 }
554 kfree(rx_rings);
555 rx_rings = NULL;
556
557 goto free_tx;
558 }
559 }
560 }
561
562 /* Bring interface down, copy in the new ring info,
563 * then restore the interface
564 */
565 i40e_down(vsi);
566
567 if (tx_rings) {
568 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 569 i40e_free_tx_resources(vsi->tx_rings[i]);
570 *vsi->tx_rings[i] = tx_rings[i];
c7d05ca8
JB		 571 }
572 kfree(tx_rings);
573 tx_rings = NULL;
574 }
575
576 if (rx_rings) {
577 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 578 i40e_free_rx_resources(vsi->rx_rings[i]);
579 *vsi->rx_rings[i] = rx_rings[i];
c7d05ca8
JB		 580 }
581 kfree(rx_rings);
582 rx_rings = NULL;
583 }
584
585 i40e_up(vsi);
586
587free_tx:
588 /* error cleanup if the Rx allocations failed after getting Tx */
589 if (tx_rings) {
590 for (i = 0; i < vsi->num_queue_pairs; i++)
591 i40e_free_tx_resources(&tx_rings[i]);
592 kfree(tx_rings);
593 tx_rings = NULL;
594 }
595
596done:
597 clear_bit(__I40E_CONFIG_BUSY, &pf->state);
598
599 return err;
600}
601
602static int i40e_get_sset_count(struct net_device *netdev, int sset)
603{
604 struct i40e_netdev_priv *np = netdev_priv(netdev);
605 struct i40e_vsi *vsi = np->vsi;
606 struct i40e_pf *pf = vsi->back;
607
608 switch (sset) {
609 case ETH_SS_TEST:
610 return I40E_TEST_LEN;
611 case ETH_SS_STATS:
612 if (vsi == pf->vsi[pf->lan_vsi])
613 return I40E_PF_STATS_LEN(netdev);
614 else
615 return I40E_VSI_STATS_LEN(netdev);
616 default:
617 return -EOPNOTSUPP;
618 }
619}
620
621static void i40e_get_ethtool_stats(struct net_device *netdev,
622 struct ethtool_stats *stats, u64 *data)
623{
624 struct i40e_netdev_priv *np = netdev_priv(netdev);
625 struct i40e_vsi *vsi = np->vsi;
626 struct i40e_pf *pf = vsi->back;
627 int i = 0;
628 char *p;
629 int j;
630 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
980e9b11 631 unsigned int start;
c7d05ca8
JB		 632
633 i40e_update_stats(vsi);
634
635 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
636 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
637 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
638 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
639 }
980e9b11 640 rcu_read_lock();
a114d0a6 641 for (j = 0; j < vsi->num_queue_pairs; j++, i += 4) {
980e9b11
AD		 642 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
643 struct i40e_ring *rx_ring;
644
645 if (!tx_ring)
646 continue;
647
648 /* process Tx ring statistics */
649 do {
650 start = u64_stats_fetch_begin_bh(&tx_ring->syncp);
651 data[i] = tx_ring->stats.packets;
652 data[i + 1] = tx_ring->stats.bytes;
653 } while (u64_stats_fetch_retry_bh(&tx_ring->syncp, start));
654
655 /* Rx ring is the 2nd half of the queue pair */
656 rx_ring = &tx_ring[1];
657 do {
658 start = u64_stats_fetch_begin_bh(&rx_ring->syncp);
659 data[i + 2] = rx_ring->stats.packets;
660 data[i + 3] = rx_ring->stats.bytes;
661 } while (u64_stats_fetch_retry_bh(&rx_ring->syncp, start));
c7d05ca8 662 }
980e9b11 663 rcu_read_unlock();
c7d05ca8
JB		 664 if (vsi == pf->vsi[pf->lan_vsi]) {
665 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
666 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
667 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
668 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
669 }
670 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
671 data[i++] = pf->stats.priority_xon_tx[j];
672 data[i++] = pf->stats.priority_xoff_tx[j];
673 }
674 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
675 data[i++] = pf->stats.priority_xon_rx[j];
676 data[i++] = pf->stats.priority_xoff_rx[j];
677 }
678 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
679 data[i++] = pf->stats.priority_xon_2_xoff[j];
680 }
681}
682
683static void i40e_get_strings(struct net_device *netdev, u32 stringset,
684 u8 *data)
685{
686 struct i40e_netdev_priv *np = netdev_priv(netdev);
687 struct i40e_vsi *vsi = np->vsi;
688 struct i40e_pf *pf = vsi->back;
689 char *p = (char *)data;
690 int i;
691
692 switch (stringset) {
693 case ETH_SS_TEST:
694 for (i = 0; i < I40E_TEST_LEN; i++) {
695 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
696 data += ETH_GSTRING_LEN;
697 }
698 break;
699 case ETH_SS_STATS:
700 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
701 snprintf(p, ETH_GSTRING_LEN, "%s",
702 i40e_gstrings_net_stats[i].stat_string);
703 p += ETH_GSTRING_LEN;
704 }
705 for (i = 0; i < vsi->num_queue_pairs; i++) {
706 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
707 p += ETH_GSTRING_LEN;
708 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
709 p += ETH_GSTRING_LEN;
c7d05ca8
JB		 710 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
711 p += ETH_GSTRING_LEN;
712 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
713 p += ETH_GSTRING_LEN;
714 }
715 if (vsi == pf->vsi[pf->lan_vsi]) {
716 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
717 snprintf(p, ETH_GSTRING_LEN, "port.%s",
718 i40e_gstrings_stats[i].stat_string);
719 p += ETH_GSTRING_LEN;
720 }
721 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
722 snprintf(p, ETH_GSTRING_LEN,
723 "port.tx_priority_%u_xon", i);
724 p += ETH_GSTRING_LEN;
725 snprintf(p, ETH_GSTRING_LEN,
726 "port.tx_priority_%u_xoff", i);
727 p += ETH_GSTRING_LEN;
728 }
729 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
730 snprintf(p, ETH_GSTRING_LEN,
731 "port.rx_priority_%u_xon", i);
732 p += ETH_GSTRING_LEN;
733 snprintf(p, ETH_GSTRING_LEN,
734 "port.rx_priority_%u_xoff", i);
735 p += ETH_GSTRING_LEN;
736 }
737 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
738 snprintf(p, ETH_GSTRING_LEN,
739 "port.rx_priority_%u_xon_2_xoff", i);
740 p += ETH_GSTRING_LEN;
741 }
742 }
743 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
744 break;
745 }
746}
747
748static int i40e_get_ts_info(struct net_device *dev,
749 struct ethtool_ts_info *info)
750{
751 return ethtool_op_get_ts_info(dev, info);
752}
753
7b086397 754static int i40e_link_test(struct net_device *netdev, u64 *data)
c7d05ca8 755{
7b086397
SN		 756 struct i40e_netdev_priv *np = netdev_priv(netdev);
757 struct i40e_pf *pf = np->vsi->back;
758
b03aaa9c 759 netif_info(pf, hw, netdev, "link test\n");
c7d05ca8
JB		 760 if (i40e_get_link_status(&pf->hw))
761 *data = 0;
762 else
763 *data = 1;
764
765 return *data;
766}
767
7b086397 768static int i40e_reg_test(struct net_device *netdev, u64 *data)
c7d05ca8 769{
7b086397
SN		 770 struct i40e_netdev_priv *np = netdev_priv(netdev);
771 struct i40e_pf *pf = np->vsi->back;
c7d05ca8 772
b03aaa9c 773 netif_info(pf, hw, netdev, "register test\n");
7b086397 774 *data = i40e_diag_reg_test(&pf->hw);
c7d05ca8 775
7b086397 776 return *data;
c7d05ca8
JB		 777}
778
7b086397 779static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
c7d05ca8 780{
7b086397
SN		 781 struct i40e_netdev_priv *np = netdev_priv(netdev);
782 struct i40e_pf *pf = np->vsi->back;
c7d05ca8 783
b03aaa9c 784 netif_info(pf, hw, netdev, "eeprom test\n");
7b086397 785 *data = i40e_diag_eeprom_test(&pf->hw);
c7d05ca8 786
7b086397 787 return *data;
c7d05ca8
JB		 788}
789
7b086397 790static int i40e_intr_test(struct net_device *netdev, u64 *data)
c7d05ca8 791{
7b086397
SN		 792 struct i40e_netdev_priv *np = netdev_priv(netdev);
793 struct i40e_pf *pf = np->vsi->back;
cd92e72f
SN		 794 u16 swc_old = pf->sw_int_count;
795
b03aaa9c 796 netif_info(pf, hw, netdev, "interrupt test\n");
cd92e72f
SN		 797 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
798 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
799 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK));
800 usleep_range(1000, 2000);
801 *data = (swc_old == pf->sw_int_count);
c7d05ca8
JB		 802
803 return *data;
804}
805
7b086397 806static int i40e_loopback_test(struct net_device *netdev, u64 *data)
c7d05ca8 807{
b03aaa9c
SN		 808 struct i40e_netdev_priv *np = netdev_priv(netdev);
809 struct i40e_pf *pf = np->vsi->back;
810
811 netif_info(pf, hw, netdev, "loopback test not implemented\n");
cd92e72f 812 *data = 0;
c7d05ca8
JB		 813
814 return *data;
815}
816
817static void i40e_diag_test(struct net_device *netdev,
818 struct ethtool_test *eth_test, u64 *data)
819{
820 struct i40e_netdev_priv *np = netdev_priv(netdev);
821 struct i40e_pf *pf = np->vsi->back;
822
c7d05ca8
JB		 823 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
824 /* Offline tests */
b03aaa9c 825 netif_info(pf, drv, netdev, "offline testing starting\n");
c7d05ca8 826
f551b438
SN		 827 set_bit(__I40E_TESTING, &pf->state);
828
c7d05ca8
JB		 829 /* Link test performed before hardware reset
830 * so autoneg doesn't interfere with test result
831 */
7b086397 832 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
c7d05ca8
JB		 833 eth_test->flags |= ETH_TEST_FL_FAILED;
834
7b086397 835 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
c7d05ca8
JB		 836 eth_test->flags |= ETH_TEST_FL_FAILED;
837
7b086397 838 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
c7d05ca8
JB		 839 eth_test->flags |= ETH_TEST_FL_FAILED;
840
7b086397 841 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
c7d05ca8
JB		 842 eth_test->flags |= ETH_TEST_FL_FAILED;
843
f551b438
SN		 844 /* run reg test last, a reset is required after it */
845 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
846 eth_test->flags |= ETH_TEST_FL_FAILED;
847
848 clear_bit(__I40E_TESTING, &pf->state);
849 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
c7d05ca8 850 } else {
c7d05ca8 851 /* Online tests */
b03aaa9c
SN		 852 netif_info(pf, drv, netdev, "online testing starting\n");
853
7b086397 854 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
c7d05ca8
JB		 855 eth_test->flags |= ETH_TEST_FL_FAILED;
856
857 /* Offline only tests, not run in online; pass by default */
858 data[I40E_ETH_TEST_REG] = 0;
859 data[I40E_ETH_TEST_EEPROM] = 0;
860 data[I40E_ETH_TEST_INTR] = 0;
861 data[I40E_ETH_TEST_LOOPBACK] = 0;
c7d05ca8 862 }
c140c17b 863
b03aaa9c 864 netif_info(pf, drv, netdev, "testing finished\n");
c7d05ca8
JB		 865}
866
867static void i40e_get_wol(struct net_device *netdev,
868 struct ethtool_wolinfo *wol)
869{
8e2773ae
SN		 870 struct i40e_netdev_priv *np = netdev_priv(netdev);
871 struct i40e_pf *pf = np->vsi->back;
872 struct i40e_hw *hw = &pf->hw;
873 u16 wol_nvm_bits;
874
875 /* NVM bit on means WoL disabled for the port */
876 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
877 if ((1 << hw->port) & wol_nvm_bits) {
878 wol->supported = 0;
879 wol->wolopts = 0;
880 } else {
881 wol->supported = WAKE_MAGIC;
882 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
883 }
884}
885
886static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
887{
888 struct i40e_netdev_priv *np = netdev_priv(netdev);
889 struct i40e_pf *pf = np->vsi->back;
890 struct i40e_hw *hw = &pf->hw;
891 u16 wol_nvm_bits;
892
893 /* NVM bit on means WoL disabled for the port */
894 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
895 if (((1 << hw->port) & wol_nvm_bits))
896 return -EOPNOTSUPP;
897
898 /* only magic packet is supported */
899 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
900 return -EOPNOTSUPP;
901
902 /* is this a new value? */
903 if (pf->wol_en != !!wol->wolopts) {
904 pf->wol_en = !!wol->wolopts;
905 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
906 }
907
908 return 0;
c7d05ca8
JB		 909}
910
911static int i40e_nway_reset(struct net_device *netdev)
912{
913 /* restart autonegotiation */
914 struct i40e_netdev_priv *np = netdev_priv(netdev);
915 struct i40e_pf *pf = np->vsi->back;
916 struct i40e_hw *hw = &pf->hw;
917 i40e_status ret = 0;
918
919 ret = i40e_aq_set_link_restart_an(hw, NULL);
920 if (ret) {
921 netdev_info(netdev, "link restart failed, aq_err=%d\n",
922 pf->hw.aq.asq_last_status);
923 return -EIO;
924 }
925
926 return 0;
927}
928
929static int i40e_set_phys_id(struct net_device *netdev,
930 enum ethtool_phys_id_state state)
931{
932 struct i40e_netdev_priv *np = netdev_priv(netdev);
933 struct i40e_pf *pf = np->vsi->back;
934 struct i40e_hw *hw = &pf->hw;
935 int blink_freq = 2;
936
937 switch (state) {
938 case ETHTOOL_ID_ACTIVE:
939 pf->led_status = i40e_led_get(hw);
940 return blink_freq;
941 case ETHTOOL_ID_ON:
0556a9e3 942 i40e_led_set(hw, 0xF, false);
c7d05ca8
JB		 943 break;
944 case ETHTOOL_ID_OFF:
0556a9e3 945 i40e_led_set(hw, 0x0, false);
c7d05ca8
JB		 946 break;
947 case ETHTOOL_ID_INACTIVE:
0556a9e3 948 i40e_led_set(hw, pf->led_status, false);
c7d05ca8
JB		 949 break;
950 }
951
952 return 0;
953}
954
955/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
956 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
957 * 125us (8000 interrupts per second) == ITR(62)
958 */
959
960static int i40e_get_coalesce(struct net_device *netdev,
961 struct ethtool_coalesce *ec)
962{
963 struct i40e_netdev_priv *np = netdev_priv(netdev);
964 struct i40e_vsi *vsi = np->vsi;
965
966 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
967 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
968
969 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
970 ec->rx_coalesce_usecs = 1;
971 else
972 ec->rx_coalesce_usecs = vsi->rx_itr_setting;
973
974 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
975 ec->tx_coalesce_usecs = 1;
976 else
977 ec->tx_coalesce_usecs = vsi->tx_itr_setting;
978
979 return 0;
980}
981
982static int i40e_set_coalesce(struct net_device *netdev,
983 struct ethtool_coalesce *ec)
984{
985 struct i40e_netdev_priv *np = netdev_priv(netdev);
986 struct i40e_q_vector *q_vector;
987 struct i40e_vsi *vsi = np->vsi;
988 struct i40e_pf *pf = vsi->back;
989 struct i40e_hw *hw = &pf->hw;
990 u16 vector;
991 int i;
992
993 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
994 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
995
996 switch (ec->rx_coalesce_usecs) {
997 case 0:
998 vsi->rx_itr_setting = 0;
999 break;
1000 case 1:
1001 vsi->rx_itr_setting = (I40E_ITR_DYNAMIC |
1002 ITR_REG_TO_USEC(I40E_ITR_RX_DEF));
1003 break;
1004 default:
1005 if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
1006 (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1)))
1007 return -EINVAL;
1008 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1009 break;
1010 }
1011
1012 switch (ec->tx_coalesce_usecs) {
1013 case 0:
1014 vsi->tx_itr_setting = 0;
1015 break;
1016 case 1:
1017 vsi->tx_itr_setting = (I40E_ITR_DYNAMIC |
1018 ITR_REG_TO_USEC(I40E_ITR_TX_DEF));
1019 break;
1020 default:
1021 if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
1022 (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1)))
1023 return -EINVAL;
1024 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1025 break;
1026 }
1027
1028 vector = vsi->base_vector;
493fb300
AD		 1029 for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1030 q_vector = vsi->q_vectors[i];
c7d05ca8
JB		 1031 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1032 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1033 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1034 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1035 i40e_flush(hw);
1036 }
1037
1038 return 0;
1039}
1040
1041/**
1042 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1043 * @pf: pointer to the physical function struct
1044 * @cmd: ethtool rxnfc command
1045 *
1046 * Returns Success if the flow is supported, else Invalid Input.
1047 **/
1048static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1049{
1050 cmd->data = 0;
1051
1052 /* Report default options for RSS on i40e */
1053 switch (cmd->flow_type) {
1054 case TCP_V4_FLOW:
1055 case UDP_V4_FLOW:
1056 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1057 /* fall through to add IP fields */
1058 case SCTP_V4_FLOW:
1059 case AH_ESP_V4_FLOW:
1060 case AH_V4_FLOW:
1061 case ESP_V4_FLOW:
1062 case IPV4_FLOW:
1063 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1064 break;
1065 case TCP_V6_FLOW:
1066 case UDP_V6_FLOW:
1067 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1068 /* fall through to add IP fields */
1069 case SCTP_V6_FLOW:
1070 case AH_ESP_V6_FLOW:
1071 case AH_V6_FLOW:
1072 case ESP_V6_FLOW:
1073 case IPV6_FLOW:
1074 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1075 break;
1076 default:
1077 return -EINVAL;
1078 }
1079
1080 return 0;
1081}
1082
1083/**
1084 * i40e_get_rxnfc - command to get RX flow classification rules
1085 * @netdev: network interface device structure
1086 * @cmd: ethtool rxnfc command
1087 *
1088 * Returns Success if the command is supported.
1089 **/
1090static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1091 u32 *rule_locs)
1092{
1093 struct i40e_netdev_priv *np = netdev_priv(netdev);
1094 struct i40e_vsi *vsi = np->vsi;
1095 struct i40e_pf *pf = vsi->back;
1096 int ret = -EOPNOTSUPP;
1097
1098 switch (cmd->cmd) {
1099 case ETHTOOL_GRXRINGS:
1100 cmd->data = vsi->alloc_queue_pairs;
1101 ret = 0;
1102 break;
1103 case ETHTOOL_GRXFH:
1104 ret = i40e_get_rss_hash_opts(pf, cmd);
1105 break;
1106 case ETHTOOL_GRXCLSRLCNT:
1107 ret = 0;
1108 break;
1109 case ETHTOOL_GRXCLSRULE:
1110 ret = 0;
1111 break;
1112 case ETHTOOL_GRXCLSRLALL:
1113 cmd->data = 500;
1114 ret = 0;
1115 default:
1116 break;
1117 }
1118
1119 return ret;
1120}
1121
1122/**
1123 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
1124 * @pf: pointer to the physical function struct
1125 * @cmd: ethtool rxnfc command
1126 *
1127 * Returns Success if the flow input set is supported.
1128 **/
1129static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
1130{
1131 struct i40e_hw *hw = &pf->hw;
1132 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
1133 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
1134
1135 /* RSS does not support anything other than hashing
1136 * to queues on src and dst IPs and ports
1137 */
1138 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
1139 RXH_L4_B_0_1 | RXH_L4_B_2_3))
1140 return -EINVAL;
1141
1142 /* We need at least the IP SRC and DEST fields for hashing */
1143 if (!(nfc->data & RXH_IP_SRC) ||
1144 !(nfc->data & RXH_IP_DST))
1145 return -EINVAL;
1146
1147 switch (nfc->flow_type) {
1148 case TCP_V4_FLOW:
1149 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1150 case 0:
1151 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
1152 break;
1153 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1154 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
1155 break;
1156 default:
1157 return -EINVAL;
1158 }
1159 break;
1160 case TCP_V6_FLOW:
1161 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1162 case 0:
1163 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
1164 break;
1165 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1166 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
1167 break;
1168 default:
1169 return -EINVAL;
1170 }
1171 break;
1172 case UDP_V4_FLOW:
1173 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1174 case 0:
1175 hena &=
1176 ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
1177 ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) |
1178 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
1179 break;
1180 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1181 hena |=
1182 (((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
1183 ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) |
1184 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
1185 break;
1186 default:
1187 return -EINVAL;
1188 }
1189 break;
1190 case UDP_V6_FLOW:
1191 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1192 case 0:
1193 hena &=
1194 ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
1195 ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) |
1196 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
1197 break;
1198 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1199 hena |=
1200 (((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
1201 ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) |
1202 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
1203 break;
1204 default:
1205 return -EINVAL;
1206 }
1207 break;
1208 case AH_ESP_V4_FLOW:
1209 case AH_V4_FLOW:
1210 case ESP_V4_FLOW:
1211 case SCTP_V4_FLOW:
1212 if ((nfc->data & RXH_L4_B_0_1) ||
1213 (nfc->data & RXH_L4_B_2_3))
1214 return -EINVAL;
1215 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
1216 break;
1217 case AH_ESP_V6_FLOW:
1218 case AH_V6_FLOW:
1219 case ESP_V6_FLOW:
1220 case SCTP_V6_FLOW:
1221 if ((nfc->data & RXH_L4_B_0_1) ||
1222 (nfc->data & RXH_L4_B_2_3))
1223 return -EINVAL;
1224 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
1225 break;
1226 case IPV4_FLOW:
1227 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
1228 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4);
1229 break;
1230 case IPV6_FLOW:
1231 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
1232 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6);
1233 break;
1234 default:
1235 return -EINVAL;
1236 }
1237
1238 wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
1239 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
1240 i40e_flush(hw);
1241
1242 return 0;
1243}
1244
1245#define IP_HEADER_OFFSET 14
1246/**
1247 * i40e_add_del_fdir_udpv4 - Add/Remove UDPv4 Flow Director filters for
1248 * a specific flow spec
1249 * @vsi: pointer to the targeted VSI
1250 * @fd_data: the flow director data required from the FDir descriptor
1251 * @ethtool_rx_flow_spec: the flow spec
1252 * @add: true adds a filter, false removes it
1253 *
1254 * Returns 0 if the filters were successfully added or removed
1255 **/
1256static int i40e_add_del_fdir_udpv4(struct i40e_vsi *vsi,
1257 struct i40e_fdir_data *fd_data,
1258 struct ethtool_rx_flow_spec *fsp, bool add)
1259{
1260 struct i40e_pf *pf = vsi->back;
1261 struct udphdr *udp;
1262 struct iphdr *ip;
1263 bool err = false;
1264 int ret;
1265 int i;
1266
1267 ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
1268 udp = (struct udphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET
1269 + sizeof(struct iphdr));
1270
1271 ip->saddr = fsp->h_u.tcp_ip4_spec.ip4src;
1272 ip->daddr = fsp->h_u.tcp_ip4_spec.ip4dst;
1273 udp->source = fsp->h_u.tcp_ip4_spec.psrc;
1274 udp->dest = fsp->h_u.tcp_ip4_spec.pdst;
1275
1276 for (i = I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP;
1277 i <= I40E_FILTER_PCTYPE_NONF_IPV4_UDP; i++) {
1278 fd_data->pctype = i;
1279 ret = i40e_program_fdir_filter(fd_data, pf, add);
1280
1281 if (ret) {
1282 dev_info(&pf->pdev->dev,
1283 "Filter command send failed for PCTYPE %d (ret = %d)\n",
1284 fd_data->pctype, ret);
1285 err = true;
1286 } else {
1287 dev_info(&pf->pdev->dev,
1288 "Filter OK for PCTYPE %d (ret = %d)\n",
1289 fd_data->pctype, ret);
1290 }
1291 }
1292
1293 return err ? -EOPNOTSUPP : 0;
1294}
1295
1296/**
1297 * i40e_add_del_fdir_tcpv4 - Add/Remove TCPv4 Flow Director filters for
1298 * a specific flow spec
1299 * @vsi: pointer to the targeted VSI
1300 * @fd_data: the flow director data required from the FDir descriptor
1301 * @ethtool_rx_flow_spec: the flow spec
1302 * @add: true adds a filter, false removes it
1303 *
1304 * Returns 0 if the filters were successfully added or removed
1305 **/
1306static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi,
1307 struct i40e_fdir_data *fd_data,
1308 struct ethtool_rx_flow_spec *fsp, bool add)
1309{
1310 struct i40e_pf *pf = vsi->back;
1311 struct tcphdr *tcp;
1312 struct iphdr *ip;
1313 bool err = false;
1314 int ret;
1315
1316 ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
1317 tcp = (struct tcphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET
1318 + sizeof(struct iphdr));
1319
1320 ip->daddr = fsp->h_u.tcp_ip4_spec.ip4dst;
1321 tcp->dest = fsp->h_u.tcp_ip4_spec.pdst;
1322
1323 fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN;
1324 ret = i40e_program_fdir_filter(fd_data, pf, add);
1325
1326 if (ret) {
1327 dev_info(&pf->pdev->dev,
1328 "Filter command send failed for PCTYPE %d (ret = %d)\n",
1329 fd_data->pctype, ret);
1330 err = true;
1331 } else {
1332 dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n",
1333 fd_data->pctype, ret);
1334 }
1335
1336 ip->saddr = fsp->h_u.tcp_ip4_spec.ip4src;
1337 tcp->source = fsp->h_u.tcp_ip4_spec.psrc;
1338
1339 fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
1340
1341 ret = i40e_program_fdir_filter(fd_data, pf, add);
1342 if (ret) {
1343 dev_info(&pf->pdev->dev,
1344 "Filter command send failed for PCTYPE %d (ret = %d)\n",
1345 fd_data->pctype, ret);
1346 err = true;
1347 } else {
1348 dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n",
1349 fd_data->pctype, ret);
1350 }
1351
1352 return err ? -EOPNOTSUPP : 0;
1353}
1354
1355/**
1356 * i40e_add_del_fdir_sctpv4 - Add/Remove SCTPv4 Flow Director filters for
1357 * a specific flow spec
1358 * @vsi: pointer to the targeted VSI
1359 * @fd_data: the flow director data required from the FDir descriptor
1360 * @ethtool_rx_flow_spec: the flow spec
1361 * @add: true adds a filter, false removes it
1362 *
1363 * Returns 0 if the filters were successfully added or removed
1364 **/
1365static int i40e_add_del_fdir_sctpv4(struct i40e_vsi *vsi,
1366 struct i40e_fdir_data *fd_data,
1367 struct ethtool_rx_flow_spec *fsp, bool add)
1368{
1369 return -EOPNOTSUPP;
1370}
1371
1372/**
1373 * i40e_add_del_fdir_ipv4 - Add/Remove IPv4 Flow Director filters for
1374 * a specific flow spec
1375 * @vsi: pointer to the targeted VSI
1376 * @fd_data: the flow director data required for the FDir descriptor
1377 * @fsp: the ethtool flow spec
1378 * @add: true adds a filter, false removes it
1379 *
1380 * Returns 0 if the filters were successfully added or removed
1381 **/
1382static int i40e_add_del_fdir_ipv4(struct i40e_vsi *vsi,
1383 struct i40e_fdir_data *fd_data,
1384 struct ethtool_rx_flow_spec *fsp, bool add)
1385{
1386 struct i40e_pf *pf = vsi->back;
1387 struct iphdr *ip;
1388 bool err = false;
1389 int ret;
1390 int i;
1391
1392 ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
1393
1394 ip->saddr = fsp->h_u.usr_ip4_spec.ip4src;
1395 ip->daddr = fsp->h_u.usr_ip4_spec.ip4dst;
1396 ip->protocol = fsp->h_u.usr_ip4_spec.proto;
1397
1398 for (i = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
1399 i <= I40E_FILTER_PCTYPE_FRAG_IPV4; i++) {
1400 fd_data->pctype = i;
1401 ret = i40e_program_fdir_filter(fd_data, pf, add);
1402
1403 if (ret) {
1404 dev_info(&pf->pdev->dev,
1405 "Filter command send failed for PCTYPE %d (ret = %d)\n",
1406 fd_data->pctype, ret);
1407 err = true;
1408 } else {
1409 dev_info(&pf->pdev->dev,
1410 "Filter OK for PCTYPE %d (ret = %d)\n",
1411 fd_data->pctype, ret);
1412 }
1413 }
1414
1415 return err ? -EOPNOTSUPP : 0;
1416}
1417
1418/**
1419 * i40e_add_del_fdir_ethtool - Add/Remove Flow Director filters for
1420 * a specific flow spec based on their protocol
1421 * @vsi: pointer to the targeted VSI
1422 * @cmd: command to get or set RX flow classification rules
1423 * @add: true adds a filter, false removes it
1424 *
1425 * Returns 0 if the filters were successfully added or removed
1426 **/
1427static int i40e_add_del_fdir_ethtool(struct i40e_vsi *vsi,
1428 struct ethtool_rxnfc *cmd, bool add)
1429{
1430 struct i40e_fdir_data fd_data;
1431 int ret = -EINVAL;
1432 struct i40e_pf *pf;
1433 struct ethtool_rx_flow_spec *fsp =
1434 (struct ethtool_rx_flow_spec *)&cmd->fs;
1435
1436 if (!vsi)
1437 return -EINVAL;
1438
1439 pf = vsi->back;
1440
1441 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
1442 (fsp->ring_cookie >= vsi->num_queue_pairs))
1443 return -EINVAL;
1444
1445 /* Populate the Flow Director that we have at the moment
1446 * and allocate the raw packet buffer for the calling functions
1447 */
1448 fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
1449 GFP_KERNEL);
1450
1451 if (!fd_data.raw_packet) {
1452 dev_info(&pf->pdev->dev, "Could not allocate memory\n");
1453 return -ENOMEM;
1454 }
1455
1456 fd_data.q_index = fsp->ring_cookie;
1457 fd_data.flex_off = 0;
1458 fd_data.pctype = 0;
1459 fd_data.dest_vsi = vsi->id;
1460 fd_data.dest_ctl = 0;
1461 fd_data.fd_status = 0;
1462 fd_data.cnt_index = 0;
1463 fd_data.fd_id = 0;
1464
1465 switch (fsp->flow_type & ~FLOW_EXT) {
1466 case TCP_V4_FLOW:
1467 ret = i40e_add_del_fdir_tcpv4(vsi, &fd_data, fsp, add);
1468 break;
1469 case UDP_V4_FLOW:
1470 ret = i40e_add_del_fdir_udpv4(vsi, &fd_data, fsp, add);
1471 break;
1472 case SCTP_V4_FLOW:
1473 ret = i40e_add_del_fdir_sctpv4(vsi, &fd_data, fsp, add);
1474 break;
1475 case IPV4_FLOW:
1476 ret = i40e_add_del_fdir_ipv4(vsi, &fd_data, fsp, add);
1477 break;
1478 case IP_USER_FLOW:
1479 switch (fsp->h_u.usr_ip4_spec.proto) {
1480 case IPPROTO_TCP:
1481 ret = i40e_add_del_fdir_tcpv4(vsi, &fd_data, fsp, add);
1482 break;
1483 case IPPROTO_UDP:
1484 ret = i40e_add_del_fdir_udpv4(vsi, &fd_data, fsp, add);
1485 break;
1486 case IPPROTO_SCTP:
1487 ret = i40e_add_del_fdir_sctpv4(vsi, &fd_data, fsp, add);
1488 break;
1489 default:
1490 ret = i40e_add_del_fdir_ipv4(vsi, &fd_data, fsp, add);
1491 break;
1492 }
1493 break;
1494 default:
1495 dev_info(&pf->pdev->dev, "Could not specify spec type\n");
1496 ret = -EINVAL;
1497 }
1498
1499 kfree(fd_data.raw_packet);
1500 fd_data.raw_packet = NULL;
1501
1502 return ret;
1503}
1504/**
1505 * i40e_set_rxnfc - command to set RX flow classification rules
1506 * @netdev: network interface device structure
1507 * @cmd: ethtool rxnfc command
1508 *
1509 * Returns Success if the command is supported.
1510 **/
1511static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1512{
1513 struct i40e_netdev_priv *np = netdev_priv(netdev);
1514 struct i40e_vsi *vsi = np->vsi;
1515 struct i40e_pf *pf = vsi->back;
1516 int ret = -EOPNOTSUPP;
1517
1518 switch (cmd->cmd) {
1519 case ETHTOOL_SRXFH:
1520 ret = i40e_set_rss_hash_opt(pf, cmd);
1521 break;
1522 case ETHTOOL_SRXCLSRLINS:
1523 ret = i40e_add_del_fdir_ethtool(vsi, cmd, true);
1524 break;
1525 case ETHTOOL_SRXCLSRLDEL:
1526 ret = i40e_add_del_fdir_ethtool(vsi, cmd, false);
1527 break;
1528 default:
1529 break;
1530 }
1531
1532 return ret;
1533}
1534
4b7820ca
ASJ		 1535/**
1536 * i40e_max_channels - get Max number of combined channels supported
1537 * @vsi: vsi pointer
1538 **/
1539static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
1540{
1541 /* TODO: This code assumes DCB and FD is disabled for now. */
1542 return vsi->alloc_queue_pairs;
1543}
1544
1545/**
1546 * i40e_get_channels - Get the current channels enabled and max supported etc.
1547 * @netdev: network interface device structure
1548 * @ch: ethtool channels structure
1549 *
1550 * We don't support separate tx and rx queues as channels. The other count
1551 * represents how many queues are being used for control. max_combined counts
1552 * how many queue pairs we can support. They may not be mapped 1 to 1 with
1553 * q_vectors since we support a lot more queue pairs than q_vectors.
1554 **/
1555static void i40e_get_channels(struct net_device *dev,
1556 struct ethtool_channels *ch)
1557{
1558 struct i40e_netdev_priv *np = netdev_priv(dev);
1559 struct i40e_vsi *vsi = np->vsi;
1560 struct i40e_pf *pf = vsi->back;
1561
1562 /* report maximum channels */
1563 ch->max_combined = i40e_max_channels(vsi);
1564
1565 /* report info for other vector */
1566 ch->other_count = (pf->flags & I40E_FLAG_FDIR_ENABLED) ? 1 : 0;
1567 ch->max_other = ch->other_count;
1568
1569 /* Note: This code assumes DCB is disabled for now. */
1570 ch->combined_count = vsi->num_queue_pairs;
1571}
1572
1573/**
1574 * i40e_set_channels - Set the new channels count.
1575 * @netdev: network interface device structure
1576 * @ch: ethtool channels structure
1577 *
1578 * The new channels count may not be the same as requested by the user
1579 * since it gets rounded down to a power of 2 value.
1580 **/
1581static int i40e_set_channels(struct net_device *dev,
1582 struct ethtool_channels *ch)
1583{
1584 struct i40e_netdev_priv *np = netdev_priv(dev);
1585 unsigned int count = ch->combined_count;
1586 struct i40e_vsi *vsi = np->vsi;
1587 struct i40e_pf *pf = vsi->back;
1588 int new_count;
1589
1590 /* We do not support setting channels for any other VSI at present */
1591 if (vsi->type != I40E_VSI_MAIN)
1592 return -EINVAL;
1593
1594 /* verify they are not requesting separate vectors */
1595 if (!count || ch->rx_count || ch->tx_count)
1596 return -EINVAL;
1597
1598 /* verify other_count has not changed */
1599 if (ch->other_count != ((pf->flags & I40E_FLAG_FDIR_ENABLED) ? 1 : 0))
1600 return -EINVAL;
1601
1602 /* verify the number of channels does not exceed hardware limits */
1603 if (count > i40e_max_channels(vsi))
1604 return -EINVAL;
1605
1606 /* update feature limits from largest to smallest supported values */
1607 /* TODO: Flow director limit, DCB etc */
1608
1609 /* cap RSS limit */
1610 if (count > pf->rss_size_max)
1611 count = pf->rss_size_max;
1612
1613 /* use rss_reconfig to rebuild with new queue count and update traffic
1614 * class queue mapping
1615 */
1616 new_count = i40e_reconfig_rss_queues(pf, count);
1617 if (new_count > 1)
1618 return 0;
1619 else
1620 return -EINVAL;
1621}
1622
c7d05ca8
JB		 1623static const struct ethtool_ops i40e_ethtool_ops = {
1624 .get_settings = i40e_get_settings,
1625 .get_drvinfo = i40e_get_drvinfo,
1626 .get_regs_len = i40e_get_regs_len,
1627 .get_regs = i40e_get_regs,
1628 .nway_reset = i40e_nway_reset,
1629 .get_link = ethtool_op_get_link,
1630 .get_wol = i40e_get_wol,
8e2773ae 1631 .set_wol = i40e_set_wol,
c7d05ca8
JB		 1632 .get_eeprom_len = i40e_get_eeprom_len,
1633 .get_eeprom = i40e_get_eeprom,
1634 .get_ringparam = i40e_get_ringparam,
1635 .set_ringparam = i40e_set_ringparam,
1636 .get_pauseparam = i40e_get_pauseparam,
1637 .get_msglevel = i40e_get_msglevel,
1638 .set_msglevel = i40e_set_msglevel,
1639 .get_rxnfc = i40e_get_rxnfc,
1640 .set_rxnfc = i40e_set_rxnfc,
1641 .self_test = i40e_diag_test,
1642 .get_strings = i40e_get_strings,
1643 .set_phys_id = i40e_set_phys_id,
1644 .get_sset_count = i40e_get_sset_count,
1645 .get_ethtool_stats = i40e_get_ethtool_stats,
1646 .get_coalesce = i40e_get_coalesce,
1647 .set_coalesce = i40e_set_coalesce,
4b7820ca
ASJ		 1648 .get_channels = i40e_get_channels,
1649 .set_channels = i40e_set_channels,
c7d05ca8
JB		 1650 .get_ts_info = i40e_get_ts_info,
1651};
1652
1653void i40e_set_ethtool_ops(struct net_device *netdev)
1654{
1655 SET_ETHTOOL_OPS(netdev, &i40e_ethtool_ops);
1656}
Linux kernel - Deliverables
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