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i40e: default debug mask setting
[deliverable/linux.git] / drivers / net / ethernet / intel / i40e / i40e_ethtool.c
CommitLineData
c7d05ca8
JB		 1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 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 with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
21 *
22 * Contact Information:
23 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *
26 ******************************************************************************/
27
28/* ethtool support for i40e */
29
30#include "i40e.h"
31#include "i40e_diag.h"
32
33struct i40e_stats {
34 char stat_string[ETH_GSTRING_LEN];
35 int sizeof_stat;
36 int stat_offset;
37};
38
39#define I40E_STAT(_type, _name, _stat) { \
40 .stat_string = _name, \
41 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
42 .stat_offset = offsetof(_type, _stat) \
43}
44#define I40E_NETDEV_STAT(_net_stat) \
45 I40E_STAT(struct net_device_stats, #_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
51static const struct i40e_stats i40e_gstrings_net_stats[] = {
52 I40E_NETDEV_STAT(rx_packets),
53 I40E_NETDEV_STAT(tx_packets),
54 I40E_NETDEV_STAT(rx_bytes),
55 I40E_NETDEV_STAT(tx_bytes),
56 I40E_NETDEV_STAT(rx_errors),
57 I40E_NETDEV_STAT(tx_errors),
58 I40E_NETDEV_STAT(rx_dropped),
59 I40E_NETDEV_STAT(tx_dropped),
60 I40E_NETDEV_STAT(multicast),
61 I40E_NETDEV_STAT(collisions),
62 I40E_NETDEV_STAT(rx_length_errors),
63 I40E_NETDEV_STAT(rx_crc_errors),
64};
65
66/* These PF_STATs might look like duplicates of some NETDEV_STATs,
67 * but they are separate. This device supports Virtualization, and
68 * as such might have several netdevs supporting VMDq and FCoE going
69 * through a single port. The NETDEV_STATs are for individual netdevs
70 * seen at the top of the stack, and the PF_STATs are for the physical
71 * function at the bottom of the stack hosting those netdevs.
72 *
73 * The PF_STATs are appended to the netdev stats only when ethtool -S
74 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
75 */
76static struct i40e_stats i40e_gstrings_stats[] = {
77 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
78 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
79 I40E_PF_STAT("rx_errors", stats.eth.rx_errors),
80 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
81 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
82 I40E_PF_STAT("tx_dropped", stats.eth.tx_discards),
83 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
84 I40E_PF_STAT("crc_errors", stats.crc_errors),
85 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
86 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
87 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
88 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
89 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
90 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
91 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
92 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
93 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
94 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
95 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
96 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
97 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
98 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
99 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
100 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
101 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
102 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
103 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
104 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
105 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
106 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
107 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
108 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
109 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
110 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
111 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
112};
113
114#define I40E_QUEUE_STATS_LEN(n) \
115 ((((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs + \
116 ((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs) * 2)
117#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
118#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
119#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
120 I40E_QUEUE_STATS_LEN((n)))
121#define I40E_PFC_STATS_LEN ( \
122 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
123 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
124 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
125 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
126 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
127 / sizeof(u64))
128#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
129 I40E_PFC_STATS_LEN + \
130 I40E_VSI_STATS_LEN((n)))
131
132enum i40e_ethtool_test_id {
133 I40E_ETH_TEST_REG = 0,
134 I40E_ETH_TEST_EEPROM,
135 I40E_ETH_TEST_INTR,
136 I40E_ETH_TEST_LOOPBACK,
137 I40E_ETH_TEST_LINK,
138};
139
140static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
141 "Register test (offline)",
142 "Eeprom test (offline)",
143 "Interrupt test (offline)",
144 "Loopback test (offline)",
145 "Link test (on/offline)"
146};
147
148#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
149
150/**
151 * i40e_get_settings - Get Link Speed and Duplex settings
152 * @netdev: network interface device structure
153 * @ecmd: ethtool command
154 *
155 * Reports speed/duplex settings based on media_type
156 **/
157static int i40e_get_settings(struct net_device *netdev,
158 struct ethtool_cmd *ecmd)
159{
160 struct i40e_netdev_priv *np = netdev_priv(netdev);
161 struct i40e_pf *pf = np->vsi->back;
162 struct i40e_hw *hw = &pf->hw;
163 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
164 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
165 u32 link_speed = hw_link_info->link_speed;
166
167 /* hardware is either in 40G mode or 10G mode
168 * NOTE: this section initializes supported and advertising
169 */
170 switch (hw_link_info->phy_type) {
171 case I40E_PHY_TYPE_40GBASE_CR4:
172 case I40E_PHY_TYPE_40GBASE_CR4_CU:
173 ecmd->supported = SUPPORTED_40000baseCR4_Full;
174 ecmd->advertising = ADVERTISED_40000baseCR4_Full;
175 break;
176 case I40E_PHY_TYPE_40GBASE_KR4:
177 ecmd->supported = SUPPORTED_40000baseKR4_Full;
178 ecmd->advertising = ADVERTISED_40000baseKR4_Full;
179 break;
180 case I40E_PHY_TYPE_40GBASE_SR4:
181 ecmd->supported = SUPPORTED_40000baseSR4_Full;
182 ecmd->advertising = ADVERTISED_40000baseSR4_Full;
183 break;
184 case I40E_PHY_TYPE_40GBASE_LR4:
185 ecmd->supported = SUPPORTED_40000baseLR4_Full;
186 ecmd->advertising = ADVERTISED_40000baseLR4_Full;
187 break;
188 case I40E_PHY_TYPE_10GBASE_KX4:
189 ecmd->supported = SUPPORTED_10000baseKX4_Full;
190 ecmd->advertising = ADVERTISED_10000baseKX4_Full;
191 break;
192 case I40E_PHY_TYPE_10GBASE_KR:
193 ecmd->supported = SUPPORTED_10000baseKR_Full;
194 ecmd->advertising = ADVERTISED_10000baseKR_Full;
195 break;
196 case I40E_PHY_TYPE_10GBASE_T:
197 default:
198 ecmd->supported = SUPPORTED_10000baseT_Full;
199 ecmd->advertising = ADVERTISED_10000baseT_Full;
200 break;
201 }
202
203 /* for now just say autoneg all the time */
204 ecmd->supported |= SUPPORTED_Autoneg;
205
206 if (hw->phy.media_type == I40E_MEDIA_TYPE_BACKPLANE) {
207 ecmd->supported |= SUPPORTED_Backplane;
208 ecmd->advertising |= ADVERTISED_Backplane;
209 ecmd->port = PORT_NONE;
210 } else if (hw->phy.media_type == I40E_MEDIA_TYPE_BASET) {
211 ecmd->supported |= SUPPORTED_TP;
212 ecmd->advertising |= ADVERTISED_TP;
213 ecmd->port = PORT_TP;
214 } else {
215 ecmd->supported |= SUPPORTED_FIBRE;
216 ecmd->advertising |= ADVERTISED_FIBRE;
217 ecmd->port = PORT_FIBRE;
218 }
219
220 ecmd->transceiver = XCVR_EXTERNAL;
221
222 if (link_up) {
223 switch (link_speed) {
224 case I40E_LINK_SPEED_40GB:
225 /* need a SPEED_40000 in ethtool.h */
226 ethtool_cmd_speed_set(ecmd, 40000);
227 break;
228 case I40E_LINK_SPEED_10GB:
229 ethtool_cmd_speed_set(ecmd, SPEED_10000);
230 break;
231 default:
232 break;
233 }
234 ecmd->duplex = DUPLEX_FULL;
235 } else {
236 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
237 ecmd->duplex = DUPLEX_UNKNOWN;
238 }
239
240 return 0;
241}
242
243/**
244 * i40e_get_pauseparam - Get Flow Control status
245 * Return tx/rx-pause status
246 **/
247static void i40e_get_pauseparam(struct net_device *netdev,
248 struct ethtool_pauseparam *pause)
249{
250 struct i40e_netdev_priv *np = netdev_priv(netdev);
251 struct i40e_pf *pf = np->vsi->back;
252 struct i40e_hw *hw = &pf->hw;
253 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
254
255 pause->autoneg =
256 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
257 AUTONEG_ENABLE : AUTONEG_DISABLE);
258
259 pause->rx_pause = 0;
260 pause->tx_pause = 0;
261 if (hw_link_info->an_info & I40E_AQ_LINK_PAUSE_RX)
262 pause->rx_pause = 1;
263 if (hw_link_info->an_info & I40E_AQ_LINK_PAUSE_TX)
264 pause->tx_pause = 1;
265}
266
267static u32 i40e_get_msglevel(struct net_device *netdev)
268{
269 struct i40e_netdev_priv *np = netdev_priv(netdev);
270 struct i40e_pf *pf = np->vsi->back;
271
272 return pf->msg_enable;
273}
274
275static void i40e_set_msglevel(struct net_device *netdev, u32 data)
276{
277 struct i40e_netdev_priv *np = netdev_priv(netdev);
278 struct i40e_pf *pf = np->vsi->back;
279
280 if (I40E_DEBUG_USER & data)
281 pf->hw.debug_mask = data;
282 pf->msg_enable = data;
283}
284
285static int i40e_get_regs_len(struct net_device *netdev)
286{
287 int reg_count = 0;
288 int i;
289
290 for (i = 0; i40e_reg_list[i].offset != 0; i++)
291 reg_count += i40e_reg_list[i].elements;
292
293 return reg_count * sizeof(u32);
294}
295
296static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
297 void *p)
298{
299 struct i40e_netdev_priv *np = netdev_priv(netdev);
300 struct i40e_pf *pf = np->vsi->back;
301 struct i40e_hw *hw = &pf->hw;
302 u32 *reg_buf = p;
303 int i, j, ri;
304 u32 reg;
305
306 /* Tell ethtool which driver-version-specific regs output we have.
307 *
308 * At some point, if we have ethtool doing special formatting of
309 * this data, it will rely on this version number to know how to
310 * interpret things. Hence, this needs to be updated if/when the
311 * diags register table is changed.
312 */
313 regs->version = 1;
314
315 /* loop through the diags reg table for what to print */
316 ri = 0;
317 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
318 for (j = 0; j < i40e_reg_list[i].elements; j++) {
319 reg = i40e_reg_list[i].offset
320 + (j * i40e_reg_list[i].stride);
321 reg_buf[ri++] = rd32(hw, reg);
322 }
323 }
324
325}
326
327static int i40e_get_eeprom(struct net_device *netdev,
328 struct ethtool_eeprom *eeprom, u8 *bytes)
329{
330 struct i40e_netdev_priv *np = netdev_priv(netdev);
331 struct i40e_hw *hw = &np->vsi->back->hw;
332 int first_word, last_word;
333 u16 i, eeprom_len;
334 u16 *eeprom_buff;
335 int ret_val = 0;
336
337 if (eeprom->len == 0)
338 return -EINVAL;
339
340 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
341
342 first_word = eeprom->offset >> 1;
343 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
344 eeprom_len = last_word - first_word + 1;
345
346 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
347 if (!eeprom_buff)
348 return -ENOMEM;
349
350 ret_val = i40e_read_nvm_buffer(hw, first_word, &eeprom_len,
351 eeprom_buff);
352 if (eeprom_len == 0) {
353 kfree(eeprom_buff);
354 return -EACCES;
355 }
356
357 /* Device's eeprom is always little-endian, word addressable */
358 for (i = 0; i < eeprom_len; i++)
359 le16_to_cpus(&eeprom_buff[i]);
360
361 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
362 kfree(eeprom_buff);
363
364 return ret_val;
365}
366
367static int i40e_get_eeprom_len(struct net_device *netdev)
368{
369 struct i40e_netdev_priv *np = netdev_priv(netdev);
370 struct i40e_hw *hw = &np->vsi->back->hw;
371
372 return hw->nvm.sr_size * 2;
373}
374
375static void i40e_get_drvinfo(struct net_device *netdev,
376 struct ethtool_drvinfo *drvinfo)
377{
378 struct i40e_netdev_priv *np = netdev_priv(netdev);
379 struct i40e_vsi *vsi = np->vsi;
380 struct i40e_pf *pf = vsi->back;
381
382 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
383 strlcpy(drvinfo->version, i40e_driver_version_str,
384 sizeof(drvinfo->version));
385 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
386 sizeof(drvinfo->fw_version));
387 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
388 sizeof(drvinfo->bus_info));
389}
390
391static void i40e_get_ringparam(struct net_device *netdev,
392 struct ethtool_ringparam *ring)
393{
394 struct i40e_netdev_priv *np = netdev_priv(netdev);
395 struct i40e_pf *pf = np->vsi->back;
396 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
397
398 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
399 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
400 ring->rx_mini_max_pending = 0;
401 ring->rx_jumbo_max_pending = 0;
9f65e15b
AD		 402 ring->rx_pending = vsi->rx_rings[0]->count;
403 ring->tx_pending = vsi->tx_rings[0]->count;
c7d05ca8
JB		 404 ring->rx_mini_pending = 0;
405 ring->rx_jumbo_pending = 0;
406}
407
408static int i40e_set_ringparam(struct net_device *netdev,
409 struct ethtool_ringparam *ring)
410{
411 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
412 struct i40e_netdev_priv *np = netdev_priv(netdev);
413 struct i40e_vsi *vsi = np->vsi;
414 struct i40e_pf *pf = vsi->back;
415 u32 new_rx_count, new_tx_count;
416 int i, err = 0;
417
418 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
419 return -EINVAL;
420
421 new_tx_count = clamp_t(u32, ring->tx_pending,
422 I40E_MIN_NUM_DESCRIPTORS,
423 I40E_MAX_NUM_DESCRIPTORS);
424 new_tx_count = ALIGN(new_tx_count, I40E_REQ_DESCRIPTOR_MULTIPLE);
425
426 new_rx_count = clamp_t(u32, ring->rx_pending,
427 I40E_MIN_NUM_DESCRIPTORS,
428 I40E_MAX_NUM_DESCRIPTORS);
429 new_rx_count = ALIGN(new_rx_count, I40E_REQ_DESCRIPTOR_MULTIPLE);
430
431 /* if nothing to do return success */
9f65e15b
AD		 432 if ((new_tx_count == vsi->tx_rings[0]->count) &&
433 (new_rx_count == vsi->rx_rings[0]->count))
c7d05ca8
JB		 434 return 0;
435
436 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
437 usleep_range(1000, 2000);
438
439 if (!netif_running(vsi->netdev)) {
440 /* simple case - set for the next time the netdev is started */
441 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 442 vsi->tx_rings[i]->count = new_tx_count;
443 vsi->rx_rings[i]->count = new_rx_count;
c7d05ca8
JB		 444 }
445 goto done;
446 }
447
448 /* We can't just free everything and then setup again,
449 * because the ISRs in MSI-X mode get passed pointers
450 * to the Tx and Rx ring structs.
451 */
452
453 /* alloc updated Tx resources */
9f65e15b 454 if (new_tx_count != vsi->tx_rings[0]->count) {
c7d05ca8
JB		 455 netdev_info(netdev,
456 "Changing Tx descriptor count from %d to %d.\n",
9f65e15b 457 vsi->tx_rings[0]->count, new_tx_count);
c7d05ca8
JB		 458 tx_rings = kcalloc(vsi->alloc_queue_pairs,
459 sizeof(struct i40e_ring), GFP_KERNEL);
460 if (!tx_rings) {
461 err = -ENOMEM;
462 goto done;
463 }
464
465 for (i = 0; i < vsi->num_queue_pairs; i++) {
466 /* clone ring and setup updated count */
9f65e15b 467 tx_rings[i] = *vsi->tx_rings[i];
c7d05ca8
JB		 468 tx_rings[i].count = new_tx_count;
469 err = i40e_setup_tx_descriptors(&tx_rings[i]);
470 if (err) {
471 while (i) {
472 i--;
473 i40e_free_tx_resources(&tx_rings[i]);
474 }
475 kfree(tx_rings);
476 tx_rings = NULL;
477
478 goto done;
479 }
480 }
481 }
482
483 /* alloc updated Rx resources */
9f65e15b 484 if (new_rx_count != vsi->rx_rings[0]->count) {
c7d05ca8
JB		 485 netdev_info(netdev,
486 "Changing Rx descriptor count from %d to %d\n",
9f65e15b 487 vsi->rx_rings[0]->count, new_rx_count);
c7d05ca8
JB		 488 rx_rings = kcalloc(vsi->alloc_queue_pairs,
489 sizeof(struct i40e_ring), GFP_KERNEL);
490 if (!rx_rings) {
491 err = -ENOMEM;
492 goto free_tx;
493 }
494
495 for (i = 0; i < vsi->num_queue_pairs; i++) {
496 /* clone ring and setup updated count */
9f65e15b 497 rx_rings[i] = *vsi->rx_rings[i];
c7d05ca8
JB		 498 rx_rings[i].count = new_rx_count;
499 err = i40e_setup_rx_descriptors(&rx_rings[i]);
500 if (err) {
501 while (i) {
502 i--;
503 i40e_free_rx_resources(&rx_rings[i]);
504 }
505 kfree(rx_rings);
506 rx_rings = NULL;
507
508 goto free_tx;
509 }
510 }
511 }
512
513 /* Bring interface down, copy in the new ring info,
514 * then restore the interface
515 */
516 i40e_down(vsi);
517
518 if (tx_rings) {
519 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 520 i40e_free_tx_resources(vsi->tx_rings[i]);
521 *vsi->tx_rings[i] = tx_rings[i];
c7d05ca8
JB		 522 }
523 kfree(tx_rings);
524 tx_rings = NULL;
525 }
526
527 if (rx_rings) {
528 for (i = 0; i < vsi->num_queue_pairs; i++) {
9f65e15b
AD		 529 i40e_free_rx_resources(vsi->rx_rings[i]);
530 *vsi->rx_rings[i] = rx_rings[i];
c7d05ca8
JB		 531 }
532 kfree(rx_rings);
533 rx_rings = NULL;
534 }
535
536 i40e_up(vsi);
537
538free_tx:
539 /* error cleanup if the Rx allocations failed after getting Tx */
540 if (tx_rings) {
541 for (i = 0; i < vsi->num_queue_pairs; i++)
542 i40e_free_tx_resources(&tx_rings[i]);
543 kfree(tx_rings);
544 tx_rings = NULL;
545 }
546
547done:
548 clear_bit(__I40E_CONFIG_BUSY, &pf->state);
549
550 return err;
551}
552
553static int i40e_get_sset_count(struct net_device *netdev, int sset)
554{
555 struct i40e_netdev_priv *np = netdev_priv(netdev);
556 struct i40e_vsi *vsi = np->vsi;
557 struct i40e_pf *pf = vsi->back;
558
559 switch (sset) {
560 case ETH_SS_TEST:
561 return I40E_TEST_LEN;
562 case ETH_SS_STATS:
563 if (vsi == pf->vsi[pf->lan_vsi])
564 return I40E_PF_STATS_LEN(netdev);
565 else
566 return I40E_VSI_STATS_LEN(netdev);
567 default:
568 return -EOPNOTSUPP;
569 }
570}
571
572static void i40e_get_ethtool_stats(struct net_device *netdev,
573 struct ethtool_stats *stats, u64 *data)
574{
575 struct i40e_netdev_priv *np = netdev_priv(netdev);
576 struct i40e_vsi *vsi = np->vsi;
577 struct i40e_pf *pf = vsi->back;
578 int i = 0;
579 char *p;
580 int j;
581 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
980e9b11 582 unsigned int start;
c7d05ca8
JB		 583
584 i40e_update_stats(vsi);
585
586 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
587 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
588 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
589 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
590 }
980e9b11 591 rcu_read_lock();
a114d0a6 592 for (j = 0; j < vsi->num_queue_pairs; j++, i += 4) {
980e9b11
AD		 593 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
594 struct i40e_ring *rx_ring;
595
596 if (!tx_ring)
597 continue;
598
599 /* process Tx ring statistics */
600 do {
601 start = u64_stats_fetch_begin_bh(&tx_ring->syncp);
602 data[i] = tx_ring->stats.packets;
603 data[i + 1] = tx_ring->stats.bytes;
604 } while (u64_stats_fetch_retry_bh(&tx_ring->syncp, start));
605
606 /* Rx ring is the 2nd half of the queue pair */
607 rx_ring = &tx_ring[1];
608 do {
609 start = u64_stats_fetch_begin_bh(&rx_ring->syncp);
610 data[i + 2] = rx_ring->stats.packets;
611 data[i + 3] = rx_ring->stats.bytes;
612 } while (u64_stats_fetch_retry_bh(&rx_ring->syncp, start));
c7d05ca8 613 }
980e9b11 614 rcu_read_unlock();
c7d05ca8
JB		 615 if (vsi == pf->vsi[pf->lan_vsi]) {
616 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
617 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
618 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
619 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
620 }
621 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
622 data[i++] = pf->stats.priority_xon_tx[j];
623 data[i++] = pf->stats.priority_xoff_tx[j];
624 }
625 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
626 data[i++] = pf->stats.priority_xon_rx[j];
627 data[i++] = pf->stats.priority_xoff_rx[j];
628 }
629 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
630 data[i++] = pf->stats.priority_xon_2_xoff[j];
631 }
632}
633
634static void i40e_get_strings(struct net_device *netdev, u32 stringset,
635 u8 *data)
636{
637 struct i40e_netdev_priv *np = netdev_priv(netdev);
638 struct i40e_vsi *vsi = np->vsi;
639 struct i40e_pf *pf = vsi->back;
640 char *p = (char *)data;
641 int i;
642
643 switch (stringset) {
644 case ETH_SS_TEST:
645 for (i = 0; i < I40E_TEST_LEN; i++) {
646 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
647 data += ETH_GSTRING_LEN;
648 }
649 break;
650 case ETH_SS_STATS:
651 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
652 snprintf(p, ETH_GSTRING_LEN, "%s",
653 i40e_gstrings_net_stats[i].stat_string);
654 p += ETH_GSTRING_LEN;
655 }
656 for (i = 0; i < vsi->num_queue_pairs; i++) {
657 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
658 p += ETH_GSTRING_LEN;
659 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
660 p += ETH_GSTRING_LEN;
c7d05ca8
JB		 661 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
662 p += ETH_GSTRING_LEN;
663 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
664 p += ETH_GSTRING_LEN;
665 }
666 if (vsi == pf->vsi[pf->lan_vsi]) {
667 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
668 snprintf(p, ETH_GSTRING_LEN, "port.%s",
669 i40e_gstrings_stats[i].stat_string);
670 p += ETH_GSTRING_LEN;
671 }
672 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
673 snprintf(p, ETH_GSTRING_LEN,
674 "port.tx_priority_%u_xon", i);
675 p += ETH_GSTRING_LEN;
676 snprintf(p, ETH_GSTRING_LEN,
677 "port.tx_priority_%u_xoff", i);
678 p += ETH_GSTRING_LEN;
679 }
680 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
681 snprintf(p, ETH_GSTRING_LEN,
682 "port.rx_priority_%u_xon", i);
683 p += ETH_GSTRING_LEN;
684 snprintf(p, ETH_GSTRING_LEN,
685 "port.rx_priority_%u_xoff", i);
686 p += ETH_GSTRING_LEN;
687 }
688 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
689 snprintf(p, ETH_GSTRING_LEN,
690 "port.rx_priority_%u_xon_2_xoff", i);
691 p += ETH_GSTRING_LEN;
692 }
693 }
694 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
695 break;
696 }
697}
698
699static int i40e_get_ts_info(struct net_device *dev,
700 struct ethtool_ts_info *info)
701{
702 return ethtool_op_get_ts_info(dev, info);
703}
704
705static int i40e_link_test(struct i40e_pf *pf, u64 *data)
706{
707 if (i40e_get_link_status(&pf->hw))
708 *data = 0;
709 else
710 *data = 1;
711
712 return *data;
713}
714
715static int i40e_reg_test(struct i40e_pf *pf, u64 *data)
716{
717 i40e_status ret;
718
719 ret = i40e_diag_reg_test(&pf->hw);
720 *data = ret;
721
722 return ret;
723}
724
725static int i40e_eeprom_test(struct i40e_pf *pf, u64 *data)
726{
727 i40e_status ret;
728
729 ret = i40e_diag_eeprom_test(&pf->hw);
730 *data = ret;
731
732 return ret;
733}
734
735static int i40e_intr_test(struct i40e_pf *pf, u64 *data)
736{
737 *data = -ENOSYS;
738
739 return *data;
740}
741
742static int i40e_loopback_test(struct i40e_pf *pf, u64 *data)
743{
744 *data = -ENOSYS;
745
746 return *data;
747}
748
749static void i40e_diag_test(struct net_device *netdev,
750 struct ethtool_test *eth_test, u64 *data)
751{
752 struct i40e_netdev_priv *np = netdev_priv(netdev);
753 struct i40e_pf *pf = np->vsi->back;
754
755 set_bit(__I40E_TESTING, &pf->state);
756 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
757 /* Offline tests */
758
759 netdev_info(netdev, "offline testing starting\n");
760
761 /* Link test performed before hardware reset
762 * so autoneg doesn't interfere with test result
763 */
764 netdev_info(netdev, "link test starting\n");
765 if (i40e_link_test(pf, &data[I40E_ETH_TEST_LINK]))
766 eth_test->flags |= ETH_TEST_FL_FAILED;
767
768 netdev_info(netdev, "register test starting\n");
769 if (i40e_reg_test(pf, &data[I40E_ETH_TEST_REG]))
770 eth_test->flags |= ETH_TEST_FL_FAILED;
771
772 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
773 netdev_info(netdev, "eeprom test starting\n");
774 if (i40e_eeprom_test(pf, &data[I40E_ETH_TEST_EEPROM]))
775 eth_test->flags |= ETH_TEST_FL_FAILED;
776
777 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
778 netdev_info(netdev, "interrupt test starting\n");
779 if (i40e_intr_test(pf, &data[I40E_ETH_TEST_INTR]))
780 eth_test->flags |= ETH_TEST_FL_FAILED;
781
782 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
783 netdev_info(netdev, "loopback test starting\n");
784 if (i40e_loopback_test(pf, &data[I40E_ETH_TEST_LOOPBACK]))
785 eth_test->flags |= ETH_TEST_FL_FAILED;
786
787 } else {
788 netdev_info(netdev, "online test starting\n");
789 /* Online tests */
790 if (i40e_link_test(pf, &data[I40E_ETH_TEST_LINK]))
791 eth_test->flags |= ETH_TEST_FL_FAILED;
792
793 /* Offline only tests, not run in online; pass by default */
794 data[I40E_ETH_TEST_REG] = 0;
795 data[I40E_ETH_TEST_EEPROM] = 0;
796 data[I40E_ETH_TEST_INTR] = 0;
797 data[I40E_ETH_TEST_LOOPBACK] = 0;
798
799 clear_bit(__I40E_TESTING, &pf->state);
800 }
801}
802
803static void i40e_get_wol(struct net_device *netdev,
804 struct ethtool_wolinfo *wol)
805{
806 wol->supported = 0;
807 wol->wolopts = 0;
808}
809
810static int i40e_nway_reset(struct net_device *netdev)
811{
812 /* restart autonegotiation */
813 struct i40e_netdev_priv *np = netdev_priv(netdev);
814 struct i40e_pf *pf = np->vsi->back;
815 struct i40e_hw *hw = &pf->hw;
816 i40e_status ret = 0;
817
818 ret = i40e_aq_set_link_restart_an(hw, NULL);
819 if (ret) {
820 netdev_info(netdev, "link restart failed, aq_err=%d\n",
821 pf->hw.aq.asq_last_status);
822 return -EIO;
823 }
824
825 return 0;
826}
827
828static int i40e_set_phys_id(struct net_device *netdev,
829 enum ethtool_phys_id_state state)
830{
831 struct i40e_netdev_priv *np = netdev_priv(netdev);
832 struct i40e_pf *pf = np->vsi->back;
833 struct i40e_hw *hw = &pf->hw;
834 int blink_freq = 2;
835
836 switch (state) {
837 case ETHTOOL_ID_ACTIVE:
838 pf->led_status = i40e_led_get(hw);
839 return blink_freq;
840 case ETHTOOL_ID_ON:
841 i40e_led_set(hw, 0xF);
842 break;
843 case ETHTOOL_ID_OFF:
844 i40e_led_set(hw, 0x0);
845 break;
846 case ETHTOOL_ID_INACTIVE:
847 i40e_led_set(hw, pf->led_status);
848 break;
849 }
850
851 return 0;
852}
853
854/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
855 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
856 * 125us (8000 interrupts per second) == ITR(62)
857 */
858
859static int i40e_get_coalesce(struct net_device *netdev,
860 struct ethtool_coalesce *ec)
861{
862 struct i40e_netdev_priv *np = netdev_priv(netdev);
863 struct i40e_vsi *vsi = np->vsi;
864
865 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
866 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
867
868 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
869 ec->rx_coalesce_usecs = 1;
870 else
871 ec->rx_coalesce_usecs = vsi->rx_itr_setting;
872
873 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
874 ec->tx_coalesce_usecs = 1;
875 else
876 ec->tx_coalesce_usecs = vsi->tx_itr_setting;
877
878 return 0;
879}
880
881static int i40e_set_coalesce(struct net_device *netdev,
882 struct ethtool_coalesce *ec)
883{
884 struct i40e_netdev_priv *np = netdev_priv(netdev);
885 struct i40e_q_vector *q_vector;
886 struct i40e_vsi *vsi = np->vsi;
887 struct i40e_pf *pf = vsi->back;
888 struct i40e_hw *hw = &pf->hw;
889 u16 vector;
890 int i;
891
892 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
893 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
894
895 switch (ec->rx_coalesce_usecs) {
896 case 0:
897 vsi->rx_itr_setting = 0;
898 break;
899 case 1:
900 vsi->rx_itr_setting = (I40E_ITR_DYNAMIC |
901 ITR_REG_TO_USEC(I40E_ITR_RX_DEF));
902 break;
903 default:
904 if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
905 (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1)))
906 return -EINVAL;
907 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
908 break;
909 }
910
911 switch (ec->tx_coalesce_usecs) {
912 case 0:
913 vsi->tx_itr_setting = 0;
914 break;
915 case 1:
916 vsi->tx_itr_setting = (I40E_ITR_DYNAMIC |
917 ITR_REG_TO_USEC(I40E_ITR_TX_DEF));
918 break;
919 default:
920 if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
921 (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1)))
922 return -EINVAL;
923 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
924 break;
925 }
926
927 vector = vsi->base_vector;
493fb300
AD		 928 for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
929 q_vector = vsi->q_vectors[i];
c7d05ca8
JB		 930 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
931 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
932 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
933 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
934 i40e_flush(hw);
935 }
936
937 return 0;
938}
939
940/**
941 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
942 * @pf: pointer to the physical function struct
943 * @cmd: ethtool rxnfc command
944 *
945 * Returns Success if the flow is supported, else Invalid Input.
946 **/
947static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
948{
949 cmd->data = 0;
950
951 /* Report default options for RSS on i40e */
952 switch (cmd->flow_type) {
953 case TCP_V4_FLOW:
954 case UDP_V4_FLOW:
955 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
956 /* fall through to add IP fields */
957 case SCTP_V4_FLOW:
958 case AH_ESP_V4_FLOW:
959 case AH_V4_FLOW:
960 case ESP_V4_FLOW:
961 case IPV4_FLOW:
962 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
963 break;
964 case TCP_V6_FLOW:
965 case UDP_V6_FLOW:
966 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
967 /* fall through to add IP fields */
968 case SCTP_V6_FLOW:
969 case AH_ESP_V6_FLOW:
970 case AH_V6_FLOW:
971 case ESP_V6_FLOW:
972 case IPV6_FLOW:
973 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
974 break;
975 default:
976 return -EINVAL;
977 }
978
979 return 0;
980}
981
982/**
983 * i40e_get_rxnfc - command to get RX flow classification rules
984 * @netdev: network interface device structure
985 * @cmd: ethtool rxnfc command
986 *
987 * Returns Success if the command is supported.
988 **/
989static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
990 u32 *rule_locs)
991{
992 struct i40e_netdev_priv *np = netdev_priv(netdev);
993 struct i40e_vsi *vsi = np->vsi;
994 struct i40e_pf *pf = vsi->back;
995 int ret = -EOPNOTSUPP;
996
997 switch (cmd->cmd) {
998 case ETHTOOL_GRXRINGS:
999 cmd->data = vsi->alloc_queue_pairs;
1000 ret = 0;
1001 break;
1002 case ETHTOOL_GRXFH:
1003 ret = i40e_get_rss_hash_opts(pf, cmd);
1004 break;
1005 case ETHTOOL_GRXCLSRLCNT:
1006 ret = 0;
1007 break;
1008 case ETHTOOL_GRXCLSRULE:
1009 ret = 0;
1010 break;
1011 case ETHTOOL_GRXCLSRLALL:
1012 cmd->data = 500;
1013 ret = 0;
1014 default:
1015 break;
1016 }
1017
1018 return ret;
1019}
1020
1021/**
1022 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
1023 * @pf: pointer to the physical function struct
1024 * @cmd: ethtool rxnfc command
1025 *
1026 * Returns Success if the flow input set is supported.
1027 **/
1028static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
1029{
1030 struct i40e_hw *hw = &pf->hw;
1031 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
1032 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
1033
1034 /* RSS does not support anything other than hashing
1035 * to queues on src and dst IPs and ports
1036 */
1037 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
1038 RXH_L4_B_0_1 | RXH_L4_B_2_3))
1039 return -EINVAL;
1040
1041 /* We need at least the IP SRC and DEST fields for hashing */
1042 if (!(nfc->data & RXH_IP_SRC) ||
1043 !(nfc->data & RXH_IP_DST))
1044 return -EINVAL;
1045
1046 switch (nfc->flow_type) {
1047 case TCP_V4_FLOW:
1048 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1049 case 0:
1050 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
1051 break;
1052 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1053 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
1054 break;
1055 default:
1056 return -EINVAL;
1057 }
1058 break;
1059 case TCP_V6_FLOW:
1060 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1061 case 0:
1062 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
1063 break;
1064 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1065 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
1066 break;
1067 default:
1068 return -EINVAL;
1069 }
1070 break;
1071 case UDP_V4_FLOW:
1072 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1073 case 0:
1074 hena &=
1075 ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
1076 ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) |
1077 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
1078 break;
1079 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1080 hena |=
1081 (((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
1082 ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) |
1083 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
1084 break;
1085 default:
1086 return -EINVAL;
1087 }
1088 break;
1089 case UDP_V6_FLOW:
1090 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1091 case 0:
1092 hena &=
1093 ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
1094 ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) |
1095 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
1096 break;
1097 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1098 hena |=
1099 (((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
1100 ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) |
1101 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
1102 break;
1103 default:
1104 return -EINVAL;
1105 }
1106 break;
1107 case AH_ESP_V4_FLOW:
1108 case AH_V4_FLOW:
1109 case ESP_V4_FLOW:
1110 case SCTP_V4_FLOW:
1111 if ((nfc->data & RXH_L4_B_0_1) ||
1112 (nfc->data & RXH_L4_B_2_3))
1113 return -EINVAL;
1114 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
1115 break;
1116 case AH_ESP_V6_FLOW:
1117 case AH_V6_FLOW:
1118 case ESP_V6_FLOW:
1119 case SCTP_V6_FLOW:
1120 if ((nfc->data & RXH_L4_B_0_1) ||
1121 (nfc->data & RXH_L4_B_2_3))
1122 return -EINVAL;
1123 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
1124 break;
1125 case IPV4_FLOW:
1126 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
1127 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4);
1128 break;
1129 case IPV6_FLOW:
1130 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
1131 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6);
1132 break;
1133 default:
1134 return -EINVAL;
1135 }
1136
1137 wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
1138 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
1139 i40e_flush(hw);
1140
1141 return 0;
1142}
1143
1144#define IP_HEADER_OFFSET 14
1145/**
1146 * i40e_add_del_fdir_udpv4 - Add/Remove UDPv4 Flow Director filters for
1147 * a specific flow spec
1148 * @vsi: pointer to the targeted VSI
1149 * @fd_data: the flow director data required from the FDir descriptor
1150 * @ethtool_rx_flow_spec: the flow spec
1151 * @add: true adds a filter, false removes it
1152 *
1153 * Returns 0 if the filters were successfully added or removed
1154 **/
1155static int i40e_add_del_fdir_udpv4(struct i40e_vsi *vsi,
1156 struct i40e_fdir_data *fd_data,
1157 struct ethtool_rx_flow_spec *fsp, bool add)
1158{
1159 struct i40e_pf *pf = vsi->back;
1160 struct udphdr *udp;
1161 struct iphdr *ip;
1162 bool err = false;
1163 int ret;
1164 int i;
1165
1166 ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
1167 udp = (struct udphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET
1168 + sizeof(struct iphdr));
1169
1170 ip->saddr = fsp->h_u.tcp_ip4_spec.ip4src;
1171 ip->daddr = fsp->h_u.tcp_ip4_spec.ip4dst;
1172 udp->source = fsp->h_u.tcp_ip4_spec.psrc;
1173 udp->dest = fsp->h_u.tcp_ip4_spec.pdst;
1174
1175 for (i = I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP;
1176 i <= I40E_FILTER_PCTYPE_NONF_IPV4_UDP; i++) {
1177 fd_data->pctype = i;
1178 ret = i40e_program_fdir_filter(fd_data, pf, add);
1179
1180 if (ret) {
1181 dev_info(&pf->pdev->dev,
1182 "Filter command send failed for PCTYPE %d (ret = %d)\n",
1183 fd_data->pctype, ret);
1184 err = true;
1185 } else {
1186 dev_info(&pf->pdev->dev,
1187 "Filter OK for PCTYPE %d (ret = %d)\n",
1188 fd_data->pctype, ret);
1189 }
1190 }
1191
1192 return err ? -EOPNOTSUPP : 0;
1193}
1194
1195/**
1196 * i40e_add_del_fdir_tcpv4 - Add/Remove TCPv4 Flow Director filters for
1197 * a specific flow spec
1198 * @vsi: pointer to the targeted VSI
1199 * @fd_data: the flow director data required from the FDir descriptor
1200 * @ethtool_rx_flow_spec: the flow spec
1201 * @add: true adds a filter, false removes it
1202 *
1203 * Returns 0 if the filters were successfully added or removed
1204 **/
1205static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi,
1206 struct i40e_fdir_data *fd_data,
1207 struct ethtool_rx_flow_spec *fsp, bool add)
1208{
1209 struct i40e_pf *pf = vsi->back;
1210 struct tcphdr *tcp;
1211 struct iphdr *ip;
1212 bool err = false;
1213 int ret;
1214
1215 ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
1216 tcp = (struct tcphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET
1217 + sizeof(struct iphdr));
1218
1219 ip->daddr = fsp->h_u.tcp_ip4_spec.ip4dst;
1220 tcp->dest = fsp->h_u.tcp_ip4_spec.pdst;
1221
1222 fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN;
1223 ret = i40e_program_fdir_filter(fd_data, pf, add);
1224
1225 if (ret) {
1226 dev_info(&pf->pdev->dev,
1227 "Filter command send failed for PCTYPE %d (ret = %d)\n",
1228 fd_data->pctype, ret);
1229 err = true;
1230 } else {
1231 dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n",
1232 fd_data->pctype, ret);
1233 }
1234
1235 ip->saddr = fsp->h_u.tcp_ip4_spec.ip4src;
1236 tcp->source = fsp->h_u.tcp_ip4_spec.psrc;
1237
1238 fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
1239
1240 ret = i40e_program_fdir_filter(fd_data, pf, add);
1241 if (ret) {
1242 dev_info(&pf->pdev->dev,
1243 "Filter command send failed for PCTYPE %d (ret = %d)\n",
1244 fd_data->pctype, ret);
1245 err = true;
1246 } else {
1247 dev_info(&pf->pdev->dev, "Filter OK for PCTYPE %d (ret = %d)\n",
1248 fd_data->pctype, ret);
1249 }
1250
1251 return err ? -EOPNOTSUPP : 0;
1252}
1253
1254/**
1255 * i40e_add_del_fdir_sctpv4 - Add/Remove SCTPv4 Flow Director filters for
1256 * a specific flow spec
1257 * @vsi: pointer to the targeted VSI
1258 * @fd_data: the flow director data required from the FDir descriptor
1259 * @ethtool_rx_flow_spec: the flow spec
1260 * @add: true adds a filter, false removes it
1261 *
1262 * Returns 0 if the filters were successfully added or removed
1263 **/
1264static int i40e_add_del_fdir_sctpv4(struct i40e_vsi *vsi,
1265 struct i40e_fdir_data *fd_data,
1266 struct ethtool_rx_flow_spec *fsp, bool add)
1267{
1268 return -EOPNOTSUPP;
1269}
1270
1271/**
1272 * i40e_add_del_fdir_ipv4 - Add/Remove IPv4 Flow Director filters for
1273 * a specific flow spec
1274 * @vsi: pointer to the targeted VSI
1275 * @fd_data: the flow director data required for the FDir descriptor
1276 * @fsp: the ethtool flow spec
1277 * @add: true adds a filter, false removes it
1278 *
1279 * Returns 0 if the filters were successfully added or removed
1280 **/
1281static int i40e_add_del_fdir_ipv4(struct i40e_vsi *vsi,
1282 struct i40e_fdir_data *fd_data,
1283 struct ethtool_rx_flow_spec *fsp, bool add)
1284{
1285 struct i40e_pf *pf = vsi->back;
1286 struct iphdr *ip;
1287 bool err = false;
1288 int ret;
1289 int i;
1290
1291 ip = (struct iphdr *)(fd_data->raw_packet + IP_HEADER_OFFSET);
1292
1293 ip->saddr = fsp->h_u.usr_ip4_spec.ip4src;
1294 ip->daddr = fsp->h_u.usr_ip4_spec.ip4dst;
1295 ip->protocol = fsp->h_u.usr_ip4_spec.proto;
1296
1297 for (i = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
1298 i <= I40E_FILTER_PCTYPE_FRAG_IPV4; i++) {
1299 fd_data->pctype = i;
1300 ret = i40e_program_fdir_filter(fd_data, pf, add);
1301
1302 if (ret) {
1303 dev_info(&pf->pdev->dev,
1304 "Filter command send failed for PCTYPE %d (ret = %d)\n",
1305 fd_data->pctype, ret);
1306 err = true;
1307 } else {
1308 dev_info(&pf->pdev->dev,
1309 "Filter OK for PCTYPE %d (ret = %d)\n",
1310 fd_data->pctype, ret);
1311 }
1312 }
1313
1314 return err ? -EOPNOTSUPP : 0;
1315}
1316
1317/**
1318 * i40e_add_del_fdir_ethtool - Add/Remove Flow Director filters for
1319 * a specific flow spec based on their protocol
1320 * @vsi: pointer to the targeted VSI
1321 * @cmd: command to get or set RX flow classification rules
1322 * @add: true adds a filter, false removes it
1323 *
1324 * Returns 0 if the filters were successfully added or removed
1325 **/
1326static int i40e_add_del_fdir_ethtool(struct i40e_vsi *vsi,
1327 struct ethtool_rxnfc *cmd, bool add)
1328{
1329 struct i40e_fdir_data fd_data;
1330 int ret = -EINVAL;
1331 struct i40e_pf *pf;
1332 struct ethtool_rx_flow_spec *fsp =
1333 (struct ethtool_rx_flow_spec *)&cmd->fs;
1334
1335 if (!vsi)
1336 return -EINVAL;
1337
1338 pf = vsi->back;
1339
1340 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
1341 (fsp->ring_cookie >= vsi->num_queue_pairs))
1342 return -EINVAL;
1343
1344 /* Populate the Flow Director that we have at the moment
1345 * and allocate the raw packet buffer for the calling functions
1346 */
1347 fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP,
1348 GFP_KERNEL);
1349
1350 if (!fd_data.raw_packet) {
1351 dev_info(&pf->pdev->dev, "Could not allocate memory\n");
1352 return -ENOMEM;
1353 }
1354
1355 fd_data.q_index = fsp->ring_cookie;
1356 fd_data.flex_off = 0;
1357 fd_data.pctype = 0;
1358 fd_data.dest_vsi = vsi->id;
1359 fd_data.dest_ctl = 0;
1360 fd_data.fd_status = 0;
1361 fd_data.cnt_index = 0;
1362 fd_data.fd_id = 0;
1363
1364 switch (fsp->flow_type & ~FLOW_EXT) {
1365 case TCP_V4_FLOW:
1366 ret = i40e_add_del_fdir_tcpv4(vsi, &fd_data, fsp, add);
1367 break;
1368 case UDP_V4_FLOW:
1369 ret = i40e_add_del_fdir_udpv4(vsi, &fd_data, fsp, add);
1370 break;
1371 case SCTP_V4_FLOW:
1372 ret = i40e_add_del_fdir_sctpv4(vsi, &fd_data, fsp, add);
1373 break;
1374 case IPV4_FLOW:
1375 ret = i40e_add_del_fdir_ipv4(vsi, &fd_data, fsp, add);
1376 break;
1377 case IP_USER_FLOW:
1378 switch (fsp->h_u.usr_ip4_spec.proto) {
1379 case IPPROTO_TCP:
1380 ret = i40e_add_del_fdir_tcpv4(vsi, &fd_data, fsp, add);
1381 break;
1382 case IPPROTO_UDP:
1383 ret = i40e_add_del_fdir_udpv4(vsi, &fd_data, fsp, add);
1384 break;
1385 case IPPROTO_SCTP:
1386 ret = i40e_add_del_fdir_sctpv4(vsi, &fd_data, fsp, add);
1387 break;
1388 default:
1389 ret = i40e_add_del_fdir_ipv4(vsi, &fd_data, fsp, add);
1390 break;
1391 }
1392 break;
1393 default:
1394 dev_info(&pf->pdev->dev, "Could not specify spec type\n");
1395 ret = -EINVAL;
1396 }
1397
1398 kfree(fd_data.raw_packet);
1399 fd_data.raw_packet = NULL;
1400
1401 return ret;
1402}
1403/**
1404 * i40e_set_rxnfc - command to set RX flow classification rules
1405 * @netdev: network interface device structure
1406 * @cmd: ethtool rxnfc command
1407 *
1408 * Returns Success if the command is supported.
1409 **/
1410static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1411{
1412 struct i40e_netdev_priv *np = netdev_priv(netdev);
1413 struct i40e_vsi *vsi = np->vsi;
1414 struct i40e_pf *pf = vsi->back;
1415 int ret = -EOPNOTSUPP;
1416
1417 switch (cmd->cmd) {
1418 case ETHTOOL_SRXFH:
1419 ret = i40e_set_rss_hash_opt(pf, cmd);
1420 break;
1421 case ETHTOOL_SRXCLSRLINS:
1422 ret = i40e_add_del_fdir_ethtool(vsi, cmd, true);
1423 break;
1424 case ETHTOOL_SRXCLSRLDEL:
1425 ret = i40e_add_del_fdir_ethtool(vsi, cmd, false);
1426 break;
1427 default:
1428 break;
1429 }
1430
1431 return ret;
1432}
1433
1434static const struct ethtool_ops i40e_ethtool_ops = {
1435 .get_settings = i40e_get_settings,
1436 .get_drvinfo = i40e_get_drvinfo,
1437 .get_regs_len = i40e_get_regs_len,
1438 .get_regs = i40e_get_regs,
1439 .nway_reset = i40e_nway_reset,
1440 .get_link = ethtool_op_get_link,
1441 .get_wol = i40e_get_wol,
1442 .get_eeprom_len = i40e_get_eeprom_len,
1443 .get_eeprom = i40e_get_eeprom,
1444 .get_ringparam = i40e_get_ringparam,
1445 .set_ringparam = i40e_set_ringparam,
1446 .get_pauseparam = i40e_get_pauseparam,
1447 .get_msglevel = i40e_get_msglevel,
1448 .set_msglevel = i40e_set_msglevel,
1449 .get_rxnfc = i40e_get_rxnfc,
1450 .set_rxnfc = i40e_set_rxnfc,
1451 .self_test = i40e_diag_test,
1452 .get_strings = i40e_get_strings,
1453 .set_phys_id = i40e_set_phys_id,
1454 .get_sset_count = i40e_get_sset_count,
1455 .get_ethtool_stats = i40e_get_ethtool_stats,
1456 .get_coalesce = i40e_get_coalesce,
1457 .set_coalesce = i40e_set_coalesce,
1458 .get_ts_info = i40e_get_ts_info,
1459};
1460
1461void i40e_set_ethtool_ops(struct net_device *netdev)
1462{
1463 SET_ETHTOOL_OPS(netdev, &i40e_ethtool_ops);
1464}
Linux kernel - Deliverables
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