1 /**********************************************************************
2 * Author: Cavium, Inc.
3 *
4 * Contact: support@cavium.com
5 * Please include "LiquidIO" in the subject.
6 *
7 * Copyright (c) 2003-2016 Cavium, Inc.
8 *
9 * This file is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License, Version 2, as
11 * published by the Free Software Foundation.
12 *
13 * This file is distributed in the hope that it will be useful, but
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
16 * NONINFRINGEMENT. See the GNU General Public License for more details.
17 ***********************************************************************/
18 #include <linux/ethtool.h>
19 #include <linux/netdevice.h>
20 #include <linux/net_tstamp.h>
21 #include <linux/pci.h>
22 #include "liquidio_common.h"
23 #include "octeon_droq.h"
24 #include "octeon_iq.h"
25 #include "response_manager.h"
26 #include "octeon_device.h"
27 #include "octeon_nic.h"
28 #include "octeon_main.h"
29 #include "octeon_network.h"
30 #include "cn66xx_regs.h"
31 #include "cn66xx_device.h"
32 #include "cn23xx_pf_device.h"
33 #include "cn23xx_vf_device.h"
34
35 static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs);
36
37 struct oct_intrmod_resp {
38 u64 rh;
39 struct oct_intrmod_cfg intrmod;
40 u64 status;
41 };
42
43 struct oct_mdio_cmd_resp {
44 u64 rh;
45 struct oct_mdio_cmd resp;
46 u64 status;
47 };
48
49 #define OCT_MDIO45_RESP_SIZE (sizeof(struct oct_mdio_cmd_resp))
50
51 /* Octeon's interface mode of operation */
52 enum {
53 INTERFACE_MODE_DISABLED,
54 INTERFACE_MODE_RGMII,
55 INTERFACE_MODE_GMII,
56 INTERFACE_MODE_SPI,
57 INTERFACE_MODE_PCIE,
58 INTERFACE_MODE_XAUI,
59 INTERFACE_MODE_SGMII,
60 INTERFACE_MODE_PICMG,
61 INTERFACE_MODE_NPI,
62 INTERFACE_MODE_LOOP,
63 INTERFACE_MODE_SRIO,
64 INTERFACE_MODE_ILK,
65 INTERFACE_MODE_RXAUI,
66 INTERFACE_MODE_QSGMII,
67 INTERFACE_MODE_AGL,
68 INTERFACE_MODE_XLAUI,
69 INTERFACE_MODE_XFI,
70 INTERFACE_MODE_10G_KR,
71 INTERFACE_MODE_40G_KR4,
72 INTERFACE_MODE_MIXED,
73 };
74
75 #define OCT_ETHTOOL_REGDUMP_LEN 4096
76 #define OCT_ETHTOOL_REGDUMP_LEN_23XX (4096 * 11)
77 #define OCT_ETHTOOL_REGDUMP_LEN_23XX_VF (4096 * 2)
78 #define OCT_ETHTOOL_REGSVER 1
79
80 /* statistics of PF */
81 static const char oct_stats_strings[][ETH_GSTRING_LEN] = {
82 "rx_packets",
83 "tx_packets",
84 "rx_bytes",
85 "tx_bytes",
86 "rx_errors",
87 "tx_errors",
88 "rx_dropped",
89 "tx_dropped",
90
91 "tx_total_sent",
92 "tx_total_fwd",
93 "tx_err_pko",
94 "tx_err_pki",
95 "tx_err_link",
96 "tx_err_drop",
97
98 "tx_tso",
99 "tx_tso_packets",
100 "tx_tso_err",
101 "tx_vxlan",
102
103 "tx_mcast",
104 "tx_bcast",
105
106 "mac_tx_total_pkts",
107 "mac_tx_total_bytes",
108 "mac_tx_mcast_pkts",
109 "mac_tx_bcast_pkts",
110 "mac_tx_ctl_packets",
111 "mac_tx_total_collisions",
112 "mac_tx_one_collision",
113 "mac_tx_multi_collision",
114 "mac_tx_max_collision_fail",
115 "mac_tx_max_deferral_fail",
116 "mac_tx_fifo_err",
117 "mac_tx_runts",
118
119 "rx_total_rcvd",
120 "rx_total_fwd",
121 "rx_mcast",
122 "rx_bcast",
123 "rx_jabber_err",
124 "rx_l2_err",
125 "rx_frame_err",
126 "rx_err_pko",
127 "rx_err_link",
128 "rx_err_drop",
129
130 "rx_vxlan",
131 "rx_vxlan_err",
132
133 "rx_lro_pkts",
134 "rx_lro_bytes",
135 "rx_total_lro",
136
137 "rx_lro_aborts",
138 "rx_lro_aborts_port",
139 "rx_lro_aborts_seq",
140 "rx_lro_aborts_tsval",
141 "rx_lro_aborts_timer",
142 "rx_fwd_rate",
143
144 "mac_rx_total_rcvd",
145 "mac_rx_bytes",
146 "mac_rx_total_bcst",
147 "mac_rx_total_mcst",
148 "mac_rx_runts",
149 "mac_rx_ctl_packets",
150 "mac_rx_fifo_err",
151 "mac_rx_dma_drop",
152 "mac_rx_fcs_err",
153
154 "link_state_changes",
155 };
156
157 /* statistics of VF */
158 static const char oct_vf_stats_strings[][ETH_GSTRING_LEN] = {
159 "rx_packets",
160 "tx_packets",
161 "rx_bytes",
162 "tx_bytes",
163 "rx_errors",
164 "tx_errors",
165 "rx_dropped",
166 "tx_dropped",
167 "rx_mcast",
168 "tx_mcast",
169 "rx_bcast",
170 "tx_bcast",
171 "link_state_changes",
172 };
173
174 /* statistics of host tx queue */
175 static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = {
176 "packets",
177 "bytes",
178 "dropped",
179 "iq_busy",
180 "sgentry_sent",
181
182 "fw_instr_posted",
183 "fw_instr_processed",
184 "fw_instr_dropped",
185 "fw_bytes_sent",
186
187 "tso",
188 "vxlan",
189 "txq_restart",
190 };
191
192 /* statistics of host rx queue */
193 static const char oct_droq_stats_strings[][ETH_GSTRING_LEN] = {
194 "packets",
195 "bytes",
196 "dropped",
197 "dropped_nomem",
198 "dropped_toomany",
199 "fw_dropped",
200 "fw_pkts_received",
201 "fw_bytes_received",
202 "fw_dropped_nodispatch",
203
204 "vxlan",
205 "buffer_alloc_failure",
206 };
207
208 /* LiquidIO driver private flags */
209 static const char oct_priv_flags_strings[][ETH_GSTRING_LEN] = {
210 };
211
212 #define OCTNIC_NCMD_AUTONEG_ON 0x1
213 #define OCTNIC_NCMD_PHY_ON 0x2
214
lio_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * ecmd)215 static int lio_get_link_ksettings(struct net_device *netdev,
216 struct ethtool_link_ksettings *ecmd)
217 {
218 struct lio *lio = GET_LIO(netdev);
219 struct octeon_device *oct = lio->oct_dev;
220 struct oct_link_info *linfo;
221
222 linfo = &lio->linfo;
223
224 ethtool_link_ksettings_zero_link_mode(ecmd, supported);
225 ethtool_link_ksettings_zero_link_mode(ecmd, advertising);
226
227 switch (linfo->link.s.phy_type) {
228 case LIO_PHY_PORT_TP:
229 ecmd->base.port = PORT_TP;
230 ecmd->base.autoneg = AUTONEG_DISABLE;
231 ethtool_link_ksettings_add_link_mode(ecmd, supported, TP);
232 ethtool_link_ksettings_add_link_mode(ecmd, supported, Pause);
233 ethtool_link_ksettings_add_link_mode(ecmd, supported,
234 10000baseT_Full);
235
236 ethtool_link_ksettings_add_link_mode(ecmd, advertising, Pause);
237 ethtool_link_ksettings_add_link_mode(ecmd, advertising,
238 10000baseT_Full);
239
240 break;
241
242 case LIO_PHY_PORT_FIBRE:
243 if (linfo->link.s.if_mode == INTERFACE_MODE_XAUI ||
244 linfo->link.s.if_mode == INTERFACE_MODE_RXAUI ||
245 linfo->link.s.if_mode == INTERFACE_MODE_XLAUI ||
246 linfo->link.s.if_mode == INTERFACE_MODE_XFI) {
247 dev_dbg(&oct->pci_dev->dev, "ecmd->base.transceiver is XCVR_EXTERNAL\n");
248 ecmd->base.transceiver = XCVR_EXTERNAL;
249 } else {
250 dev_err(&oct->pci_dev->dev, "Unknown link interface mode: %d\n",
251 linfo->link.s.if_mode);
252 }
253
254 ecmd->base.port = PORT_FIBRE;
255 ecmd->base.autoneg = AUTONEG_DISABLE;
256 ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE);
257
258 ethtool_link_ksettings_add_link_mode(ecmd, supported, Pause);
259 ethtool_link_ksettings_add_link_mode(ecmd, advertising, Pause);
260 if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID ||
261 oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) {
262 if (OCTEON_CN23XX_PF(oct)) {
263 ethtool_link_ksettings_add_link_mode
264 (ecmd, supported, 25000baseSR_Full);
265 ethtool_link_ksettings_add_link_mode
266 (ecmd, supported, 25000baseKR_Full);
267 ethtool_link_ksettings_add_link_mode
268 (ecmd, supported, 25000baseCR_Full);
269
270 if (oct->no_speed_setting == 0) {
271 ethtool_link_ksettings_add_link_mode
272 (ecmd, supported,
273 10000baseSR_Full);
274 ethtool_link_ksettings_add_link_mode
275 (ecmd, supported,
276 10000baseKR_Full);
277 ethtool_link_ksettings_add_link_mode
278 (ecmd, supported,
279 10000baseCR_Full);
280 }
281
282 if (oct->no_speed_setting == 0) {
283 liquidio_get_speed(lio);
284 liquidio_get_fec(lio);
285 } else {
286 oct->speed_setting = 25;
287 }
288
289 if (oct->speed_setting == 10) {
290 ethtool_link_ksettings_add_link_mode
291 (ecmd, advertising,
292 10000baseSR_Full);
293 ethtool_link_ksettings_add_link_mode
294 (ecmd, advertising,
295 10000baseKR_Full);
296 ethtool_link_ksettings_add_link_mode
297 (ecmd, advertising,
298 10000baseCR_Full);
299 }
300 if (oct->speed_setting == 25) {
301 ethtool_link_ksettings_add_link_mode
302 (ecmd, advertising,
303 25000baseSR_Full);
304 ethtool_link_ksettings_add_link_mode
305 (ecmd, advertising,
306 25000baseKR_Full);
307 ethtool_link_ksettings_add_link_mode
308 (ecmd, advertising,
309 25000baseCR_Full);
310 }
311
312 if (oct->no_speed_setting)
313 break;
314
315 ethtool_link_ksettings_add_link_mode
316 (ecmd, supported, FEC_RS);
317 ethtool_link_ksettings_add_link_mode
318 (ecmd, supported, FEC_NONE);
319 /*FEC_OFF*/
320 if (oct->props[lio->ifidx].fec == 1) {
321 /* ETHTOOL_FEC_RS */
322 ethtool_link_ksettings_add_link_mode
323 (ecmd, advertising, FEC_RS);
324 } else {
325 /* ETHTOOL_FEC_OFF */
326 ethtool_link_ksettings_add_link_mode
327 (ecmd, advertising, FEC_NONE);
328 }
329 } else { /* VF */
330 if (linfo->link.s.speed == 10000) {
331 ethtool_link_ksettings_add_link_mode
332 (ecmd, supported,
333 10000baseSR_Full);
334 ethtool_link_ksettings_add_link_mode
335 (ecmd, supported,
336 10000baseKR_Full);
337 ethtool_link_ksettings_add_link_mode
338 (ecmd, supported,
339 10000baseCR_Full);
340
341 ethtool_link_ksettings_add_link_mode
342 (ecmd, advertising,
343 10000baseSR_Full);
344 ethtool_link_ksettings_add_link_mode
345 (ecmd, advertising,
346 10000baseKR_Full);
347 ethtool_link_ksettings_add_link_mode
348 (ecmd, advertising,
349 10000baseCR_Full);
350 }
351
352 if (linfo->link.s.speed == 25000) {
353 ethtool_link_ksettings_add_link_mode
354 (ecmd, supported,
355 25000baseSR_Full);
356 ethtool_link_ksettings_add_link_mode
357 (ecmd, supported,
358 25000baseKR_Full);
359 ethtool_link_ksettings_add_link_mode
360 (ecmd, supported,
361 25000baseCR_Full);
362
363 ethtool_link_ksettings_add_link_mode
364 (ecmd, advertising,
365 25000baseSR_Full);
366 ethtool_link_ksettings_add_link_mode
367 (ecmd, advertising,
368 25000baseKR_Full);
369 ethtool_link_ksettings_add_link_mode
370 (ecmd, advertising,
371 25000baseCR_Full);
372 }
373 }
374 } else {
375 ethtool_link_ksettings_add_link_mode(ecmd, supported,
376 10000baseT_Full);
377 ethtool_link_ksettings_add_link_mode(ecmd, advertising,
378 10000baseT_Full);
379 }
380 break;
381 }
382
383 if (linfo->link.s.link_up) {
384 ecmd->base.speed = linfo->link.s.speed;
385 ecmd->base.duplex = linfo->link.s.duplex;
386 } else {
387 ecmd->base.speed = SPEED_UNKNOWN;
388 ecmd->base.duplex = DUPLEX_UNKNOWN;
389 }
390
391 return 0;
392 }
393
lio_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * ecmd)394 static int lio_set_link_ksettings(struct net_device *netdev,
395 const struct ethtool_link_ksettings *ecmd)
396 {
397 const int speed = ecmd->base.speed;
398 struct lio *lio = GET_LIO(netdev);
399 struct oct_link_info *linfo;
400 struct octeon_device *oct;
401
402 oct = lio->oct_dev;
403
404 linfo = &lio->linfo;
405
406 if (!(oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID ||
407 oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID))
408 return -EOPNOTSUPP;
409
410 if (oct->no_speed_setting) {
411 dev_err(&oct->pci_dev->dev, "%s: Changing speed is not supported\n",
412 __func__);
413 return -EOPNOTSUPP;
414 }
415
416 if ((ecmd->base.duplex != DUPLEX_UNKNOWN &&
417 ecmd->base.duplex != linfo->link.s.duplex) ||
418 ecmd->base.autoneg != AUTONEG_DISABLE ||
419 (ecmd->base.speed != 10000 && ecmd->base.speed != 25000 &&
420 ecmd->base.speed != SPEED_UNKNOWN))
421 return -EOPNOTSUPP;
422
423 if ((oct->speed_boot == speed / 1000) &&
424 oct->speed_boot == oct->speed_setting)
425 return 0;
426
427 liquidio_set_speed(lio, speed / 1000);
428
429 dev_dbg(&oct->pci_dev->dev, "Port speed is set to %dG\n",
430 oct->speed_setting);
431
432 return 0;
433 }
434
435 static void
lio_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)436 lio_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
437 {
438 struct lio *lio;
439 struct octeon_device *oct;
440
441 lio = GET_LIO(netdev);
442 oct = lio->oct_dev;
443
444 memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
445 strcpy(drvinfo->driver, "liquidio");
446 strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,
447 ETHTOOL_FWVERS_LEN);
448 strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);
449 }
450
451 static void
lio_get_vf_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)452 lio_get_vf_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
453 {
454 struct octeon_device *oct;
455 struct lio *lio;
456
457 lio = GET_LIO(netdev);
458 oct = lio->oct_dev;
459
460 memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
461 strcpy(drvinfo->driver, "liquidio_vf");
462 strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,
463 ETHTOOL_FWVERS_LEN);
464 strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);
465 }
466
467 static int
lio_send_queue_count_update(struct net_device * netdev,uint32_t num_queues)468 lio_send_queue_count_update(struct net_device *netdev, uint32_t num_queues)
469 {
470 struct lio *lio = GET_LIO(netdev);
471 struct octeon_device *oct = lio->oct_dev;
472 struct octnic_ctrl_pkt nctrl;
473 int ret = 0;
474
475 memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
476
477 nctrl.ncmd.u64 = 0;
478 nctrl.ncmd.s.cmd = OCTNET_CMD_QUEUE_COUNT_CTL;
479 nctrl.ncmd.s.param1 = num_queues;
480 nctrl.ncmd.s.param2 = num_queues;
481 nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
482 nctrl.netpndev = (u64)netdev;
483 nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
484
485 ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
486 if (ret) {
487 dev_err(&oct->pci_dev->dev, "Failed to send Queue reset command (ret: 0x%x)\n",
488 ret);
489 return -1;
490 }
491
492 return 0;
493 }
494
495 static void
lio_ethtool_get_channels(struct net_device * dev,struct ethtool_channels * channel)496 lio_ethtool_get_channels(struct net_device *dev,
497 struct ethtool_channels *channel)
498 {
499 struct lio *lio = GET_LIO(dev);
500 struct octeon_device *oct = lio->oct_dev;
501 u32 max_rx = 0, max_tx = 0, tx_count = 0, rx_count = 0;
502 u32 combined_count = 0, max_combined = 0;
503
504 if (OCTEON_CN6XXX(oct)) {
505 struct octeon_config *conf6x = CHIP_CONF(oct, cn6xxx);
506
507 max_rx = CFG_GET_OQ_MAX_Q(conf6x);
508 max_tx = CFG_GET_IQ_MAX_Q(conf6x);
509 rx_count = CFG_GET_NUM_RXQS_NIC_IF(conf6x, lio->ifidx);
510 tx_count = CFG_GET_NUM_TXQS_NIC_IF(conf6x, lio->ifidx);
511 } else if (OCTEON_CN23XX_PF(oct)) {
512 if (oct->sriov_info.sriov_enabled) {
513 max_combined = lio->linfo.num_txpciq;
514 } else {
515 struct octeon_config *conf23_pf =
516 CHIP_CONF(oct, cn23xx_pf);
517
518 max_combined = CFG_GET_IQ_MAX_Q(conf23_pf);
519 }
520 combined_count = oct->num_iqs;
521 } else if (OCTEON_CN23XX_VF(oct)) {
522 u64 reg_val = 0ULL;
523 u64 ctrl = CN23XX_VF_SLI_IQ_PKT_CONTROL64(0);
524
525 reg_val = octeon_read_csr64(oct, ctrl);
526 reg_val = reg_val >> CN23XX_PKT_INPUT_CTL_RPVF_POS;
527 max_combined = reg_val & CN23XX_PKT_INPUT_CTL_RPVF_MASK;
528 combined_count = oct->num_iqs;
529 }
530
531 channel->max_rx = max_rx;
532 channel->max_tx = max_tx;
533 channel->max_combined = max_combined;
534 channel->rx_count = rx_count;
535 channel->tx_count = tx_count;
536 channel->combined_count = combined_count;
537 }
538
539 static int
lio_irq_reallocate_irqs(struct octeon_device * oct,uint32_t num_ioqs)540 lio_irq_reallocate_irqs(struct octeon_device *oct, uint32_t num_ioqs)
541 {
542 struct msix_entry *msix_entries;
543 int num_msix_irqs = 0;
544 int i;
545
546 if (!oct->msix_on)
547 return 0;
548
549 /* Disable the input and output queues now. No more packets will
550 * arrive from Octeon.
551 */
552 oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR);
553
554 if (oct->msix_on) {
555 if (OCTEON_CN23XX_PF(oct))
556 num_msix_irqs = oct->num_msix_irqs - 1;
557 else if (OCTEON_CN23XX_VF(oct))
558 num_msix_irqs = oct->num_msix_irqs;
559
560 msix_entries = (struct msix_entry *)oct->msix_entries;
561 for (i = 0; i < num_msix_irqs; i++) {
562 if (oct->ioq_vector[i].vector) {
563 /* clear the affinity_cpumask */
564 irq_set_affinity_hint(msix_entries[i].vector,
565 NULL);
566 free_irq(msix_entries[i].vector,
567 &oct->ioq_vector[i]);
568 oct->ioq_vector[i].vector = 0;
569 }
570 }
571
572 /* non-iov vector's argument is oct struct */
573 if (OCTEON_CN23XX_PF(oct))
574 free_irq(msix_entries[i].vector, oct);
575
576 pci_disable_msix(oct->pci_dev);
577 kfree(oct->msix_entries);
578 oct->msix_entries = NULL;
579 }
580
581 kfree(oct->irq_name_storage);
582 oct->irq_name_storage = NULL;
583
584 if (octeon_allocate_ioq_vector(oct, num_ioqs)) {
585 dev_err(&oct->pci_dev->dev, "OCTEON: ioq vector allocation failed\n");
586 return -1;
587 }
588
589 if (octeon_setup_interrupt(oct, num_ioqs)) {
590 dev_info(&oct->pci_dev->dev, "Setup interrupt failed\n");
591 return -1;
592 }
593
594 /* Enable Octeon device interrupts */
595 oct->fn_list.enable_interrupt(oct, OCTEON_ALL_INTR);
596
597 return 0;
598 }
599
600 static int
lio_ethtool_set_channels(struct net_device * dev,struct ethtool_channels * channel)601 lio_ethtool_set_channels(struct net_device *dev,
602 struct ethtool_channels *channel)
603 {
604 u32 combined_count, max_combined;
605 struct lio *lio = GET_LIO(dev);
606 struct octeon_device *oct = lio->oct_dev;
607 int stopped = 0;
608
609 if (strcmp(oct->fw_info.liquidio_firmware_version, "1.6.1") < 0) {
610 dev_err(&oct->pci_dev->dev, "Minimum firmware version required is 1.6.1\n");
611 return -EINVAL;
612 }
613
614 if (!channel->combined_count || channel->other_count ||
615 channel->rx_count || channel->tx_count)
616 return -EINVAL;
617
618 combined_count = channel->combined_count;
619
620 if (OCTEON_CN23XX_PF(oct)) {
621 if (oct->sriov_info.sriov_enabled) {
622 max_combined = lio->linfo.num_txpciq;
623 } else {
624 struct octeon_config *conf23_pf =
625 CHIP_CONF(oct,
626 cn23xx_pf);
627
628 max_combined =
629 CFG_GET_IQ_MAX_Q(conf23_pf);
630 }
631 } else if (OCTEON_CN23XX_VF(oct)) {
632 u64 reg_val = 0ULL;
633 u64 ctrl = CN23XX_VF_SLI_IQ_PKT_CONTROL64(0);
634
635 reg_val = octeon_read_csr64(oct, ctrl);
636 reg_val = reg_val >> CN23XX_PKT_INPUT_CTL_RPVF_POS;
637 max_combined = reg_val & CN23XX_PKT_INPUT_CTL_RPVF_MASK;
638 } else {
639 return -EINVAL;
640 }
641
642 if (combined_count > max_combined || combined_count < 1)
643 return -EINVAL;
644
645 if (combined_count == oct->num_iqs)
646 return 0;
647
648 ifstate_set(lio, LIO_IFSTATE_RESETTING);
649
650 if (netif_running(dev)) {
651 dev->netdev_ops->ndo_stop(dev);
652 stopped = 1;
653 }
654
655 if (lio_reset_queues(dev, combined_count))
656 return -EINVAL;
657
658 if (stopped)
659 dev->netdev_ops->ndo_open(dev);
660
661 ifstate_reset(lio, LIO_IFSTATE_RESETTING);
662
663 return 0;
664 }
665
lio_get_eeprom_len(struct net_device * netdev)666 static int lio_get_eeprom_len(struct net_device *netdev)
667 {
668 u8 buf[192];
669 struct lio *lio = GET_LIO(netdev);
670 struct octeon_device *oct_dev = lio->oct_dev;
671 struct octeon_board_info *board_info;
672 int len;
673
674 board_info = (struct octeon_board_info *)(&oct_dev->boardinfo);
675 len = sprintf(buf, "boardname:%s serialnum:%s maj:%lld min:%lld\n",
676 board_info->name, board_info->serial_number,
677 board_info->major, board_info->minor);
678
679 return len;
680 }
681
682 static int
lio_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)683 lio_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
684 u8 *bytes)
685 {
686 struct lio *lio = GET_LIO(netdev);
687 struct octeon_device *oct_dev = lio->oct_dev;
688 struct octeon_board_info *board_info;
689
690 if (eeprom->offset)
691 return -EINVAL;
692
693 eeprom->magic = oct_dev->pci_dev->vendor;
694 board_info = (struct octeon_board_info *)(&oct_dev->boardinfo);
695 sprintf((char *)bytes,
696 "boardname:%s serialnum:%s maj:%lld min:%lld\n",
697 board_info->name, board_info->serial_number,
698 board_info->major, board_info->minor);
699
700 return 0;
701 }
702
octnet_gpio_access(struct net_device * netdev,int addr,int val)703 static int octnet_gpio_access(struct net_device *netdev, int addr, int val)
704 {
705 struct lio *lio = GET_LIO(netdev);
706 struct octeon_device *oct = lio->oct_dev;
707 struct octnic_ctrl_pkt nctrl;
708 int ret = 0;
709
710 memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
711
712 nctrl.ncmd.u64 = 0;
713 nctrl.ncmd.s.cmd = OCTNET_CMD_GPIO_ACCESS;
714 nctrl.ncmd.s.param1 = addr;
715 nctrl.ncmd.s.param2 = val;
716 nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
717 nctrl.netpndev = (u64)netdev;
718 nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
719
720 ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
721 if (ret) {
722 dev_err(&oct->pci_dev->dev,
723 "Failed to configure gpio value, ret=%d\n", ret);
724 return -EINVAL;
725 }
726
727 return 0;
728 }
729
octnet_id_active(struct net_device * netdev,int val)730 static int octnet_id_active(struct net_device *netdev, int val)
731 {
732 struct lio *lio = GET_LIO(netdev);
733 struct octeon_device *oct = lio->oct_dev;
734 struct octnic_ctrl_pkt nctrl;
735 int ret = 0;
736
737 memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
738
739 nctrl.ncmd.u64 = 0;
740 nctrl.ncmd.s.cmd = OCTNET_CMD_ID_ACTIVE;
741 nctrl.ncmd.s.param1 = val;
742 nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
743 nctrl.netpndev = (u64)netdev;
744 nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
745
746 ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
747 if (ret) {
748 dev_err(&oct->pci_dev->dev,
749 "Failed to configure gpio value, ret=%d\n", ret);
750 return -EINVAL;
751 }
752
753 return 0;
754 }
755
756 /* This routine provides PHY access routines for
757 * mdio clause45 .
758 */
759 static int
octnet_mdio45_access(struct lio * lio,int op,int loc,int * value)760 octnet_mdio45_access(struct lio *lio, int op, int loc, int *value)
761 {
762 struct octeon_device *oct_dev = lio->oct_dev;
763 struct octeon_soft_command *sc;
764 struct oct_mdio_cmd_resp *mdio_cmd_rsp;
765 struct oct_mdio_cmd *mdio_cmd;
766 int retval = 0;
767
768 sc = (struct octeon_soft_command *)
769 octeon_alloc_soft_command(oct_dev,
770 sizeof(struct oct_mdio_cmd),
771 sizeof(struct oct_mdio_cmd_resp), 0);
772
773 if (!sc)
774 return -ENOMEM;
775
776 mdio_cmd_rsp = (struct oct_mdio_cmd_resp *)sc->virtrptr;
777 mdio_cmd = (struct oct_mdio_cmd *)sc->virtdptr;
778
779 mdio_cmd->op = op;
780 mdio_cmd->mdio_addr = loc;
781 if (op)
782 mdio_cmd->value1 = *value;
783 octeon_swap_8B_data((u64 *)mdio_cmd, sizeof(struct oct_mdio_cmd) / 8);
784
785 sc->iq_no = lio->linfo.txpciq[0].s.q_no;
786
787 octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, OPCODE_NIC_MDIO45,
788 0, 0, 0);
789
790 init_completion(&sc->complete);
791 sc->sc_status = OCTEON_REQUEST_PENDING;
792
793 retval = octeon_send_soft_command(oct_dev, sc);
794 if (retval == IQ_SEND_FAILED) {
795 dev_err(&oct_dev->pci_dev->dev,
796 "octnet_mdio45_access instruction failed status: %x\n",
797 retval);
798 octeon_free_soft_command(oct_dev, sc);
799 return -EBUSY;
800 } else {
801 /* Sleep on a wait queue till the cond flag indicates that the
802 * response arrived
803 */
804 retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
805 if (retval)
806 return retval;
807
808 retval = mdio_cmd_rsp->status;
809 if (retval) {
810 dev_err(&oct_dev->pci_dev->dev,
811 "octnet mdio45 access failed: %x\n", retval);
812 WRITE_ONCE(sc->caller_is_done, true);
813 return -EBUSY;
814 }
815
816 octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp),
817 sizeof(struct oct_mdio_cmd) / 8);
818
819 if (!op)
820 *value = mdio_cmd_rsp->resp.value1;
821
822 WRITE_ONCE(sc->caller_is_done, true);
823 }
824
825 return retval;
826 }
827
lio_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)828 static int lio_set_phys_id(struct net_device *netdev,
829 enum ethtool_phys_id_state state)
830 {
831 struct lio *lio = GET_LIO(netdev);
832 struct octeon_device *oct = lio->oct_dev;
833 struct oct_link_info *linfo;
834 int value, ret;
835 u32 cur_ver;
836
837 linfo = &lio->linfo;
838 cur_ver = OCT_FW_VER(oct->fw_info.ver.maj,
839 oct->fw_info.ver.min,
840 oct->fw_info.ver.rev);
841
842 switch (state) {
843 case ETHTOOL_ID_ACTIVE:
844 if (oct->chip_id == OCTEON_CN66XX) {
845 octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
846 VITESSE_PHY_GPIO_DRIVEON);
847 return 2;
848
849 } else if (oct->chip_id == OCTEON_CN68XX) {
850 /* Save the current LED settings */
851 ret = octnet_mdio45_access(lio, 0,
852 LIO68XX_LED_BEACON_ADDR,
853 &lio->phy_beacon_val);
854 if (ret)
855 return ret;
856
857 ret = octnet_mdio45_access(lio, 0,
858 LIO68XX_LED_CTRL_ADDR,
859 &lio->led_ctrl_val);
860 if (ret)
861 return ret;
862
863 /* Configure Beacon values */
864 value = LIO68XX_LED_BEACON_CFGON;
865 ret = octnet_mdio45_access(lio, 1,
866 LIO68XX_LED_BEACON_ADDR,
867 &value);
868 if (ret)
869 return ret;
870
871 value = LIO68XX_LED_CTRL_CFGON;
872 ret = octnet_mdio45_access(lio, 1,
873 LIO68XX_LED_CTRL_ADDR,
874 &value);
875 if (ret)
876 return ret;
877 } else if (oct->chip_id == OCTEON_CN23XX_PF_VID) {
878 octnet_id_active(netdev, LED_IDENTIFICATION_ON);
879 if (linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
880 cur_ver > OCT_FW_VER(1, 7, 2))
881 return 2;
882 else
883 return 0;
884 } else {
885 return -EINVAL;
886 }
887 break;
888
889 case ETHTOOL_ID_ON:
890 if (oct->chip_id == OCTEON_CN23XX_PF_VID &&
891 linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
892 cur_ver > OCT_FW_VER(1, 7, 2))
893 octnet_id_active(netdev, LED_IDENTIFICATION_ON);
894 else if (oct->chip_id == OCTEON_CN66XX)
895 octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
896 VITESSE_PHY_GPIO_HIGH);
897 else
898 return -EINVAL;
899
900 break;
901
902 case ETHTOOL_ID_OFF:
903 if (oct->chip_id == OCTEON_CN23XX_PF_VID &&
904 linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
905 cur_ver > OCT_FW_VER(1, 7, 2))
906 octnet_id_active(netdev, LED_IDENTIFICATION_OFF);
907 else if (oct->chip_id == OCTEON_CN66XX)
908 octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
909 VITESSE_PHY_GPIO_LOW);
910 else
911 return -EINVAL;
912
913 break;
914
915 case ETHTOOL_ID_INACTIVE:
916 if (oct->chip_id == OCTEON_CN66XX) {
917 octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
918 VITESSE_PHY_GPIO_DRIVEOFF);
919 } else if (oct->chip_id == OCTEON_CN68XX) {
920 /* Restore LED settings */
921 ret = octnet_mdio45_access(lio, 1,
922 LIO68XX_LED_CTRL_ADDR,
923 &lio->led_ctrl_val);
924 if (ret)
925 return ret;
926
927 ret = octnet_mdio45_access(lio, 1,
928 LIO68XX_LED_BEACON_ADDR,
929 &lio->phy_beacon_val);
930 if (ret)
931 return ret;
932 } else if (oct->chip_id == OCTEON_CN23XX_PF_VID) {
933 octnet_id_active(netdev, LED_IDENTIFICATION_OFF);
934
935 return 0;
936 } else {
937 return -EINVAL;
938 }
939 break;
940
941 default:
942 return -EINVAL;
943 }
944
945 return 0;
946 }
947
948 static void
lio_ethtool_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ering,struct kernel_ethtool_ringparam * kernel_ering,struct netlink_ext_ack * extack)949 lio_ethtool_get_ringparam(struct net_device *netdev,
950 struct ethtool_ringparam *ering,
951 struct kernel_ethtool_ringparam *kernel_ering,
952 struct netlink_ext_ack *extack)
953 {
954 struct lio *lio = GET_LIO(netdev);
955 struct octeon_device *oct = lio->oct_dev;
956 u32 tx_max_pending = 0, rx_max_pending = 0, tx_pending = 0,
957 rx_pending = 0;
958
959 if (ifstate_check(lio, LIO_IFSTATE_RESETTING))
960 return;
961
962 if (OCTEON_CN6XXX(oct)) {
963 struct octeon_config *conf6x = CHIP_CONF(oct, cn6xxx);
964
965 tx_max_pending = CN6XXX_MAX_IQ_DESCRIPTORS;
966 rx_max_pending = CN6XXX_MAX_OQ_DESCRIPTORS;
967 rx_pending = CFG_GET_NUM_RX_DESCS_NIC_IF(conf6x, lio->ifidx);
968 tx_pending = CFG_GET_NUM_TX_DESCS_NIC_IF(conf6x, lio->ifidx);
969 } else if (OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct)) {
970 tx_max_pending = CN23XX_MAX_IQ_DESCRIPTORS;
971 rx_max_pending = CN23XX_MAX_OQ_DESCRIPTORS;
972 rx_pending = oct->droq[0]->max_count;
973 tx_pending = oct->instr_queue[0]->max_count;
974 }
975
976 ering->tx_pending = tx_pending;
977 ering->tx_max_pending = tx_max_pending;
978 ering->rx_pending = rx_pending;
979 ering->rx_max_pending = rx_max_pending;
980 ering->rx_mini_pending = 0;
981 ering->rx_jumbo_pending = 0;
982 ering->rx_mini_max_pending = 0;
983 ering->rx_jumbo_max_pending = 0;
984 }
985
lio_23xx_reconfigure_queue_count(struct lio * lio)986 static int lio_23xx_reconfigure_queue_count(struct lio *lio)
987 {
988 struct octeon_device *oct = lio->oct_dev;
989 u32 resp_size, data_size;
990 struct liquidio_if_cfg_resp *resp;
991 struct octeon_soft_command *sc;
992 union oct_nic_if_cfg if_cfg;
993 struct lio_version *vdata;
994 u32 ifidx_or_pfnum;
995 int retval;
996 int j;
997
998 resp_size = sizeof(struct liquidio_if_cfg_resp);
999 data_size = sizeof(struct lio_version);
1000 sc = (struct octeon_soft_command *)
1001 octeon_alloc_soft_command(oct, data_size,
1002 resp_size, 0);
1003 if (!sc) {
1004 dev_err(&oct->pci_dev->dev, "%s: Failed to allocate soft command\n",
1005 __func__);
1006 return -1;
1007 }
1008
1009 resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
1010 vdata = (struct lio_version *)sc->virtdptr;
1011
1012 vdata->major = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MAJOR_VERSION);
1013 vdata->minor = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MINOR_VERSION);
1014 vdata->micro = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MICRO_VERSION);
1015
1016 ifidx_or_pfnum = oct->pf_num;
1017
1018 if_cfg.u64 = 0;
1019 if_cfg.s.num_iqueues = oct->sriov_info.num_pf_rings;
1020 if_cfg.s.num_oqueues = oct->sriov_info.num_pf_rings;
1021 if_cfg.s.base_queue = oct->sriov_info.pf_srn;
1022 if_cfg.s.gmx_port_id = oct->pf_num;
1023
1024 sc->iq_no = 0;
1025 octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
1026 OPCODE_NIC_QCOUNT_UPDATE, 0,
1027 if_cfg.u64, 0);
1028
1029 init_completion(&sc->complete);
1030 sc->sc_status = OCTEON_REQUEST_PENDING;
1031
1032 retval = octeon_send_soft_command(oct, sc);
1033 if (retval == IQ_SEND_FAILED) {
1034 dev_err(&oct->pci_dev->dev,
1035 "Sending iq/oq config failed status: %x\n",
1036 retval);
1037 octeon_free_soft_command(oct, sc);
1038 return -EIO;
1039 }
1040
1041 retval = wait_for_sc_completion_timeout(oct, sc, 0);
1042 if (retval)
1043 return retval;
1044
1045 retval = resp->status;
1046 if (retval) {
1047 dev_err(&oct->pci_dev->dev,
1048 "iq/oq config failed: %x\n", retval);
1049 WRITE_ONCE(sc->caller_is_done, true);
1050 return -1;
1051 }
1052
1053 octeon_swap_8B_data((u64 *)(&resp->cfg_info),
1054 (sizeof(struct liquidio_if_cfg_info)) >> 3);
1055
1056 lio->ifidx = ifidx_or_pfnum;
1057 lio->linfo.num_rxpciq = hweight64(resp->cfg_info.iqmask);
1058 lio->linfo.num_txpciq = hweight64(resp->cfg_info.iqmask);
1059 for (j = 0; j < lio->linfo.num_rxpciq; j++) {
1060 lio->linfo.rxpciq[j].u64 =
1061 resp->cfg_info.linfo.rxpciq[j].u64;
1062 }
1063
1064 for (j = 0; j < lio->linfo.num_txpciq; j++) {
1065 lio->linfo.txpciq[j].u64 =
1066 resp->cfg_info.linfo.txpciq[j].u64;
1067 }
1068
1069 lio->linfo.hw_addr = resp->cfg_info.linfo.hw_addr;
1070 lio->linfo.gmxport = resp->cfg_info.linfo.gmxport;
1071 lio->linfo.link.u64 = resp->cfg_info.linfo.link.u64;
1072 lio->txq = lio->linfo.txpciq[0].s.q_no;
1073 lio->rxq = lio->linfo.rxpciq[0].s.q_no;
1074
1075 dev_info(&oct->pci_dev->dev, "Queue count updated to %d\n",
1076 lio->linfo.num_rxpciq);
1077
1078 WRITE_ONCE(sc->caller_is_done, true);
1079
1080 return 0;
1081 }
1082
lio_reset_queues(struct net_device * netdev,uint32_t num_qs)1083 static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs)
1084 {
1085 struct lio *lio = GET_LIO(netdev);
1086 struct octeon_device *oct = lio->oct_dev;
1087 int i, queue_count_update = 0;
1088 struct napi_struct *napi, *n;
1089 int ret;
1090
1091 schedule_timeout_uninterruptible(msecs_to_jiffies(100));
1092
1093 if (wait_for_pending_requests(oct))
1094 dev_err(&oct->pci_dev->dev, "There were pending requests\n");
1095
1096 if (lio_wait_for_instr_fetch(oct))
1097 dev_err(&oct->pci_dev->dev, "IQ had pending instructions\n");
1098
1099 if (octeon_set_io_queues_off(oct)) {
1100 dev_err(&oct->pci_dev->dev, "Setting io queues off failed\n");
1101 return -1;
1102 }
1103
1104 /* Disable the input and output queues now. No more packets will
1105 * arrive from Octeon.
1106 */
1107 oct->fn_list.disable_io_queues(oct);
1108 /* Delete NAPI */
1109 list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list)
1110 netif_napi_del(napi);
1111
1112 if (num_qs != oct->num_iqs) {
1113 ret = netif_set_real_num_rx_queues(netdev, num_qs);
1114 if (ret) {
1115 dev_err(&oct->pci_dev->dev,
1116 "Setting real number rx failed\n");
1117 return ret;
1118 }
1119
1120 ret = netif_set_real_num_tx_queues(netdev, num_qs);
1121 if (ret) {
1122 dev_err(&oct->pci_dev->dev,
1123 "Setting real number tx failed\n");
1124 return ret;
1125 }
1126
1127 /* The value of queue_count_update decides whether it is the
1128 * queue count or the descriptor count that is being
1129 * re-configured.
1130 */
1131 queue_count_update = 1;
1132 }
1133
1134 /* Re-configuration of queues can happen in two scenarios, SRIOV enabled
1135 * and SRIOV disabled. Few things like recreating queue zero, resetting
1136 * glists and IRQs are required for both. For the latter, some more
1137 * steps like updating sriov_info for the octeon device need to be done.
1138 */
1139 if (queue_count_update) {
1140 cleanup_rx_oom_poll_fn(netdev);
1141
1142 lio_delete_glists(lio);
1143
1144 /* Delete mbox for PF which is SRIOV disabled because sriov_info
1145 * will be now changed.
1146 */
1147 if ((OCTEON_CN23XX_PF(oct)) && !oct->sriov_info.sriov_enabled)
1148 oct->fn_list.free_mbox(oct);
1149 }
1150
1151 for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct); i++) {
1152 if (!(oct->io_qmask.oq & BIT_ULL(i)))
1153 continue;
1154 octeon_delete_droq(oct, i);
1155 }
1156
1157 for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) {
1158 if (!(oct->io_qmask.iq & BIT_ULL(i)))
1159 continue;
1160 octeon_delete_instr_queue(oct, i);
1161 }
1162
1163 if (queue_count_update) {
1164 /* For PF re-configure sriov related information */
1165 if ((OCTEON_CN23XX_PF(oct)) &&
1166 !oct->sriov_info.sriov_enabled) {
1167 oct->sriov_info.num_pf_rings = num_qs;
1168 if (cn23xx_sriov_config(oct)) {
1169 dev_err(&oct->pci_dev->dev,
1170 "Queue reset aborted: SRIOV config failed\n");
1171 return -1;
1172 }
1173
1174 num_qs = oct->sriov_info.num_pf_rings;
1175 }
1176 }
1177
1178 if (oct->fn_list.setup_device_regs(oct)) {
1179 dev_err(&oct->pci_dev->dev, "Failed to configure device registers\n");
1180 return -1;
1181 }
1182
1183 /* The following are needed in case of queue count re-configuration and
1184 * not for descriptor count re-configuration.
1185 */
1186 if (queue_count_update) {
1187 if (octeon_setup_instr_queues(oct))
1188 return -1;
1189
1190 if (octeon_setup_output_queues(oct))
1191 return -1;
1192
1193 /* Recreating mbox for PF that is SRIOV disabled */
1194 if (OCTEON_CN23XX_PF(oct) && !oct->sriov_info.sriov_enabled) {
1195 if (oct->fn_list.setup_mbox(oct)) {
1196 dev_err(&oct->pci_dev->dev, "Mailbox setup failed\n");
1197 return -1;
1198 }
1199 }
1200
1201 /* Deleting and recreating IRQs whether the interface is SRIOV
1202 * enabled or disabled.
1203 */
1204 if (lio_irq_reallocate_irqs(oct, num_qs)) {
1205 dev_err(&oct->pci_dev->dev, "IRQs could not be allocated\n");
1206 return -1;
1207 }
1208
1209 /* Enable the input and output queues for this Octeon device */
1210 if (oct->fn_list.enable_io_queues(oct)) {
1211 dev_err(&oct->pci_dev->dev, "Failed to enable input/output queues\n");
1212 return -1;
1213 }
1214
1215 for (i = 0; i < oct->num_oqs; i++)
1216 writel(oct->droq[i]->max_count,
1217 oct->droq[i]->pkts_credit_reg);
1218
1219 /* Informing firmware about the new queue count. It is required
1220 * for firmware to allocate more number of queues than those at
1221 * load time.
1222 */
1223 if (OCTEON_CN23XX_PF(oct) && !oct->sriov_info.sriov_enabled) {
1224 if (lio_23xx_reconfigure_queue_count(lio))
1225 return -1;
1226 }
1227 }
1228
1229 /* Once firmware is aware of the new value, queues can be recreated */
1230 if (liquidio_setup_io_queues(oct, 0, num_qs, num_qs)) {
1231 dev_err(&oct->pci_dev->dev, "I/O queues creation failed\n");
1232 return -1;
1233 }
1234
1235 if (queue_count_update) {
1236 if (lio_setup_glists(oct, lio, num_qs)) {
1237 dev_err(&oct->pci_dev->dev, "Gather list allocation failed\n");
1238 return -1;
1239 }
1240
1241 if (setup_rx_oom_poll_fn(netdev)) {
1242 dev_err(&oct->pci_dev->dev, "lio_setup_rx_oom_poll_fn failed\n");
1243 return 1;
1244 }
1245
1246 /* Send firmware the information about new number of queues
1247 * if the interface is a VF or a PF that is SRIOV enabled.
1248 */
1249 if (oct->sriov_info.sriov_enabled || OCTEON_CN23XX_VF(oct))
1250 if (lio_send_queue_count_update(netdev, num_qs))
1251 return -1;
1252 }
1253
1254 return 0;
1255 }
1256
1257 static int
lio_ethtool_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ering,struct kernel_ethtool_ringparam * kernel_ering,struct netlink_ext_ack * extack)1258 lio_ethtool_set_ringparam(struct net_device *netdev,
1259 struct ethtool_ringparam *ering,
1260 struct kernel_ethtool_ringparam *kernel_ering,
1261 struct netlink_ext_ack *extack)
1262 {
1263 u32 rx_count, tx_count, rx_count_old, tx_count_old;
1264 struct lio *lio = GET_LIO(netdev);
1265 struct octeon_device *oct = lio->oct_dev;
1266 int stopped = 0;
1267
1268 if (!OCTEON_CN23XX_PF(oct) && !OCTEON_CN23XX_VF(oct))
1269 return -EINVAL;
1270
1271 if (ering->rx_mini_pending || ering->rx_jumbo_pending)
1272 return -EINVAL;
1273
1274 rx_count = clamp_t(u32, ering->rx_pending, CN23XX_MIN_OQ_DESCRIPTORS,
1275 CN23XX_MAX_OQ_DESCRIPTORS);
1276 tx_count = clamp_t(u32, ering->tx_pending, CN23XX_MIN_IQ_DESCRIPTORS,
1277 CN23XX_MAX_IQ_DESCRIPTORS);
1278
1279 rx_count_old = oct->droq[0]->max_count;
1280 tx_count_old = oct->instr_queue[0]->max_count;
1281
1282 if (rx_count == rx_count_old && tx_count == tx_count_old)
1283 return 0;
1284
1285 ifstate_set(lio, LIO_IFSTATE_RESETTING);
1286
1287 if (netif_running(netdev)) {
1288 netdev->netdev_ops->ndo_stop(netdev);
1289 stopped = 1;
1290 }
1291
1292 /* Change RX/TX DESCS count */
1293 if (tx_count != tx_count_old)
1294 CFG_SET_NUM_TX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx,
1295 tx_count);
1296 if (rx_count != rx_count_old)
1297 CFG_SET_NUM_RX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx,
1298 rx_count);
1299
1300 if (lio_reset_queues(netdev, oct->num_iqs))
1301 goto err_lio_reset_queues;
1302
1303 if (stopped)
1304 netdev->netdev_ops->ndo_open(netdev);
1305
1306 ifstate_reset(lio, LIO_IFSTATE_RESETTING);
1307
1308 return 0;
1309
1310 err_lio_reset_queues:
1311 if (tx_count != tx_count_old)
1312 CFG_SET_NUM_TX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx,
1313 tx_count_old);
1314 if (rx_count != rx_count_old)
1315 CFG_SET_NUM_RX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx,
1316 rx_count_old);
1317 return -EINVAL;
1318 }
1319
lio_get_msglevel(struct net_device * netdev)1320 static u32 lio_get_msglevel(struct net_device *netdev)
1321 {
1322 struct lio *lio = GET_LIO(netdev);
1323
1324 return lio->msg_enable;
1325 }
1326
lio_set_msglevel(struct net_device * netdev,u32 msglvl)1327 static void lio_set_msglevel(struct net_device *netdev, u32 msglvl)
1328 {
1329 struct lio *lio = GET_LIO(netdev);
1330
1331 if ((msglvl ^ lio->msg_enable) & NETIF_MSG_HW) {
1332 if (msglvl & NETIF_MSG_HW)
1333 liquidio_set_feature(netdev,
1334 OCTNET_CMD_VERBOSE_ENABLE, 0);
1335 else
1336 liquidio_set_feature(netdev,
1337 OCTNET_CMD_VERBOSE_DISABLE, 0);
1338 }
1339
1340 lio->msg_enable = msglvl;
1341 }
1342
lio_vf_set_msglevel(struct net_device * netdev,u32 msglvl)1343 static void lio_vf_set_msglevel(struct net_device *netdev, u32 msglvl)
1344 {
1345 struct lio *lio = GET_LIO(netdev);
1346
1347 lio->msg_enable = msglvl;
1348 }
1349
1350 static void
lio_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)1351 lio_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
1352 {
1353 /* Notes: Not supporting any auto negotiation in these
1354 * drivers. Just report pause frame support.
1355 */
1356 struct lio *lio = GET_LIO(netdev);
1357 struct octeon_device *oct = lio->oct_dev;
1358
1359 pause->autoneg = 0;
1360
1361 pause->tx_pause = oct->tx_pause;
1362 pause->rx_pause = oct->rx_pause;
1363 }
1364
1365 static int
lio_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)1366 lio_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
1367 {
1368 /* Notes: Not supporting any auto negotiation in these
1369 * drivers.
1370 */
1371 struct lio *lio = GET_LIO(netdev);
1372 struct octeon_device *oct = lio->oct_dev;
1373 struct octnic_ctrl_pkt nctrl;
1374 struct oct_link_info *linfo = &lio->linfo;
1375
1376 int ret = 0;
1377
1378 if (oct->chip_id != OCTEON_CN23XX_PF_VID)
1379 return -EINVAL;
1380
1381 if (linfo->link.s.duplex == 0) {
1382 /*no flow control for half duplex*/
1383 if (pause->rx_pause || pause->tx_pause)
1384 return -EINVAL;
1385 }
1386
1387 /*do not support autoneg of link flow control*/
1388 if (pause->autoneg == AUTONEG_ENABLE)
1389 return -EINVAL;
1390
1391 memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt));
1392
1393 nctrl.ncmd.u64 = 0;
1394 nctrl.ncmd.s.cmd = OCTNET_CMD_SET_FLOW_CTL;
1395 nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
1396 nctrl.netpndev = (u64)netdev;
1397 nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
1398
1399 if (pause->rx_pause) {
1400 /*enable rx pause*/
1401 nctrl.ncmd.s.param1 = 1;
1402 } else {
1403 /*disable rx pause*/
1404 nctrl.ncmd.s.param1 = 0;
1405 }
1406
1407 if (pause->tx_pause) {
1408 /*enable tx pause*/
1409 nctrl.ncmd.s.param2 = 1;
1410 } else {
1411 /*disable tx pause*/
1412 nctrl.ncmd.s.param2 = 0;
1413 }
1414
1415 ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
1416 if (ret) {
1417 dev_err(&oct->pci_dev->dev,
1418 "Failed to set pause parameter, ret=%d\n", ret);
1419 return -EINVAL;
1420 }
1421
1422 oct->rx_pause = pause->rx_pause;
1423 oct->tx_pause = pause->tx_pause;
1424
1425 return 0;
1426 }
1427
1428 static void
lio_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)1429 lio_get_ethtool_stats(struct net_device *netdev,
1430 struct ethtool_stats *stats __attribute__((unused)),
1431 u64 *data)
1432 {
1433 struct lio *lio = GET_LIO(netdev);
1434 struct octeon_device *oct_dev = lio->oct_dev;
1435 struct rtnl_link_stats64 lstats;
1436 int i = 0, j;
1437
1438 if (ifstate_check(lio, LIO_IFSTATE_RESETTING))
1439 return;
1440
1441 netdev->netdev_ops->ndo_get_stats64(netdev, &lstats);
1442 /*sum of oct->droq[oq_no]->stats->rx_pkts_received */
1443 data[i++] = lstats.rx_packets;
1444 /*sum of oct->instr_queue[iq_no]->stats.tx_done */
1445 data[i++] = lstats.tx_packets;
1446 /*sum of oct->droq[oq_no]->stats->rx_bytes_received */
1447 data[i++] = lstats.rx_bytes;
1448 /*sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */
1449 data[i++] = lstats.tx_bytes;
1450 data[i++] = lstats.rx_errors +
1451 oct_dev->link_stats.fromwire.fcs_err +
1452 oct_dev->link_stats.fromwire.jabber_err +
1453 oct_dev->link_stats.fromwire.l2_err +
1454 oct_dev->link_stats.fromwire.frame_err;
1455 data[i++] = lstats.tx_errors;
1456 /*sum of oct->droq[oq_no]->stats->rx_dropped +
1457 *oct->droq[oq_no]->stats->dropped_nodispatch +
1458 *oct->droq[oq_no]->stats->dropped_toomany +
1459 *oct->droq[oq_no]->stats->dropped_nomem
1460 */
1461 data[i++] = lstats.rx_dropped +
1462 oct_dev->link_stats.fromwire.fifo_err +
1463 oct_dev->link_stats.fromwire.dmac_drop +
1464 oct_dev->link_stats.fromwire.red_drops +
1465 oct_dev->link_stats.fromwire.fw_err_pko +
1466 oct_dev->link_stats.fromwire.fw_err_link +
1467 oct_dev->link_stats.fromwire.fw_err_drop;
1468 /*sum of oct->instr_queue[iq_no]->stats.tx_dropped */
1469 data[i++] = lstats.tx_dropped +
1470 oct_dev->link_stats.fromhost.max_collision_fail +
1471 oct_dev->link_stats.fromhost.max_deferral_fail +
1472 oct_dev->link_stats.fromhost.total_collisions +
1473 oct_dev->link_stats.fromhost.fw_err_pko +
1474 oct_dev->link_stats.fromhost.fw_err_link +
1475 oct_dev->link_stats.fromhost.fw_err_drop +
1476 oct_dev->link_stats.fromhost.fw_err_pki;
1477
1478 /* firmware tx stats */
1479 /*per_core_stats[cvmx_get_core_num()].link_stats[mdata->from_ifidx].
1480 *fromhost.fw_total_sent
1481 */
1482 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_sent);
1483 /*per_core_stats[i].link_stats[port].fromwire.fw_total_fwd */
1484 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_fwd);
1485 /*per_core_stats[j].link_stats[i].fromhost.fw_err_pko */
1486 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_pko);
1487 /*per_core_stats[j].link_stats[i].fromhost.fw_err_pki */
1488 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_pki);
1489 /*per_core_stats[j].link_stats[i].fromhost.fw_err_link */
1490 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_link);
1491 /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
1492 *fw_err_drop
1493 */
1494 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_drop);
1495
1496 /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.fw_tso */
1497 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso);
1498 /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
1499 *fw_tso_fwd
1500 */
1501 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso_fwd);
1502 /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
1503 *fw_err_tso
1504 */
1505 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_tso);
1506 /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.
1507 *fw_tx_vxlan
1508 */
1509 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tx_vxlan);
1510
1511 /* Multicast packets sent by this port */
1512 data[i++] = oct_dev->link_stats.fromhost.fw_total_mcast_sent;
1513 data[i++] = oct_dev->link_stats.fromhost.fw_total_bcast_sent;
1514
1515 /* mac tx statistics */
1516 /*CVMX_BGXX_CMRX_TX_STAT5 */
1517 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_pkts_sent);
1518 /*CVMX_BGXX_CMRX_TX_STAT4 */
1519 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_bytes_sent);
1520 /*CVMX_BGXX_CMRX_TX_STAT15 */
1521 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.mcast_pkts_sent);
1522 /*CVMX_BGXX_CMRX_TX_STAT14 */
1523 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.bcast_pkts_sent);
1524 /*CVMX_BGXX_CMRX_TX_STAT17 */
1525 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.ctl_sent);
1526 /*CVMX_BGXX_CMRX_TX_STAT0 */
1527 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_collisions);
1528 /*CVMX_BGXX_CMRX_TX_STAT3 */
1529 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.one_collision_sent);
1530 /*CVMX_BGXX_CMRX_TX_STAT2 */
1531 data[i++] =
1532 CVM_CAST64(oct_dev->link_stats.fromhost.multi_collision_sent);
1533 /*CVMX_BGXX_CMRX_TX_STAT0 */
1534 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_collision_fail);
1535 /*CVMX_BGXX_CMRX_TX_STAT1 */
1536 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_deferral_fail);
1537 /*CVMX_BGXX_CMRX_TX_STAT16 */
1538 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fifo_err);
1539 /*CVMX_BGXX_CMRX_TX_STAT6 */
1540 data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.runts);
1541
1542 /* RX firmware stats */
1543 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1544 *fw_total_rcvd
1545 */
1546 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_rcvd);
1547 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1548 *fw_total_fwd
1549 */
1550 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_fwd);
1551 /* Multicast packets received on this port */
1552 data[i++] = oct_dev->link_stats.fromwire.fw_total_mcast;
1553 data[i++] = oct_dev->link_stats.fromwire.fw_total_bcast;
1554 /*per_core_stats[core_id].link_stats[ifidx].fromwire.jabber_err */
1555 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.jabber_err);
1556 /*per_core_stats[core_id].link_stats[ifidx].fromwire.l2_err */
1557 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.l2_err);
1558 /*per_core_stats[core_id].link_stats[ifidx].fromwire.frame_err */
1559 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.frame_err);
1560 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1561 *fw_err_pko
1562 */
1563 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_pko);
1564 /*per_core_stats[j].link_stats[i].fromwire.fw_err_link */
1565 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_link);
1566 /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx].
1567 *fromwire.fw_err_drop
1568 */
1569 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_drop);
1570
1571 /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx].
1572 *fromwire.fw_rx_vxlan
1573 */
1574 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_rx_vxlan);
1575 /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx].
1576 *fromwire.fw_rx_vxlan_err
1577 */
1578 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_rx_vxlan_err);
1579
1580 /* LRO */
1581 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1582 *fw_lro_pkts
1583 */
1584 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_pkts);
1585 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1586 *fw_lro_octs
1587 */
1588 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_octs);
1589 /*per_core_stats[j].link_stats[i].fromwire.fw_total_lro */
1590 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_lro);
1591 /*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */
1592 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts);
1593 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1594 *fw_lro_aborts_port
1595 */
1596 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_port);
1597 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1598 *fw_lro_aborts_seq
1599 */
1600 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_seq);
1601 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1602 *fw_lro_aborts_tsval
1603 */
1604 data[i++] =
1605 CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_tsval);
1606 /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire.
1607 *fw_lro_aborts_timer
1608 */
1609 /* intrmod: packet forward rate */
1610 data[i++] =
1611 CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_timer);
1612 /*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */
1613 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fwd_rate);
1614
1615 /* mac: link-level stats */
1616 /*CVMX_BGXX_CMRX_RX_STAT0 */
1617 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_rcvd);
1618 /*CVMX_BGXX_CMRX_RX_STAT1 */
1619 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.bytes_rcvd);
1620 /*CVMX_PKI_STATX_STAT5 */
1621 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_bcst);
1622 /*CVMX_PKI_STATX_STAT5 */
1623 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_mcst);
1624 /*wqe->word2.err_code or wqe->word2.err_level */
1625 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.runts);
1626 /*CVMX_BGXX_CMRX_RX_STAT2 */
1627 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.ctl_rcvd);
1628 /*CVMX_BGXX_CMRX_RX_STAT6 */
1629 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fifo_err);
1630 /*CVMX_BGXX_CMRX_RX_STAT4 */
1631 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.dmac_drop);
1632 /*wqe->word2.err_code or wqe->word2.err_level */
1633 data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fcs_err);
1634 /*lio->link_changes*/
1635 data[i++] = CVM_CAST64(lio->link_changes);
1636
1637 for (j = 0; j < MAX_OCTEON_INSTR_QUEUES(oct_dev); j++) {
1638 if (!(oct_dev->io_qmask.iq & BIT_ULL(j)))
1639 continue;
1640 /*packets to network port*/
1641 /*# of packets tx to network */
1642 data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done);
1643 /*# of bytes tx to network */
1644 data[i++] =
1645 CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_tot_bytes);
1646 /*# of packets dropped */
1647 data[i++] =
1648 CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_dropped);
1649 /*# of tx fails due to queue full */
1650 data[i++] =
1651 CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_iq_busy);
1652 /*XXX gather entries sent */
1653 data[i++] =
1654 CVM_CAST64(oct_dev->instr_queue[j]->stats.sgentry_sent);
1655
1656 /*instruction to firmware: data and control */
1657 /*# of instructions to the queue */
1658 data[i++] =
1659 CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_posted);
1660 /*# of instructions processed */
1661 data[i++] = CVM_CAST64(
1662 oct_dev->instr_queue[j]->stats.instr_processed);
1663 /*# of instructions could not be processed */
1664 data[i++] = CVM_CAST64(
1665 oct_dev->instr_queue[j]->stats.instr_dropped);
1666 /*bytes sent through the queue */
1667 data[i++] =
1668 CVM_CAST64(oct_dev->instr_queue[j]->stats.bytes_sent);
1669
1670 /*tso request*/
1671 data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso);
1672 /*vxlan request*/
1673 data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_vxlan);
1674 /*txq restart*/
1675 data[i++] =
1676 CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_restart);
1677 }
1678
1679 /* RX */
1680 for (j = 0; j < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); j++) {
1681 if (!(oct_dev->io_qmask.oq & BIT_ULL(j)))
1682 continue;
1683
1684 /*packets send to TCP/IP network stack */
1685 /*# of packets to network stack */
1686 data[i++] =
1687 CVM_CAST64(oct_dev->droq[j]->stats.rx_pkts_received);
1688 /*# of bytes to network stack */
1689 data[i++] =
1690 CVM_CAST64(oct_dev->droq[j]->stats.rx_bytes_received);
1691 /*# of packets dropped */
1692 data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem +
1693 oct_dev->droq[j]->stats.dropped_toomany +
1694 oct_dev->droq[j]->stats.rx_dropped);
1695 data[i++] =
1696 CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem);
1697 data[i++] =
1698 CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany);
1699 data[i++] =
1700 CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped);
1701
1702 /*control and data path*/
1703 data[i++] =
1704 CVM_CAST64(oct_dev->droq[j]->stats.pkts_received);
1705 data[i++] =
1706 CVM_CAST64(oct_dev->droq[j]->stats.bytes_received);
1707 data[i++] =
1708 CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch);
1709
1710 data[i++] =
1711 CVM_CAST64(oct_dev->droq[j]->stats.rx_vxlan);
1712 data[i++] =
1713 CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure);
1714 }
1715 }
1716
lio_vf_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)1717 static void lio_vf_get_ethtool_stats(struct net_device *netdev,
1718 struct ethtool_stats *stats
1719 __attribute__((unused)),
1720 u64 *data)
1721 {
1722 struct rtnl_link_stats64 lstats;
1723 struct lio *lio = GET_LIO(netdev);
1724 struct octeon_device *oct_dev = lio->oct_dev;
1725 int i = 0, j, vj;
1726
1727 if (ifstate_check(lio, LIO_IFSTATE_RESETTING))
1728 return;
1729
1730 netdev->netdev_ops->ndo_get_stats64(netdev, &lstats);
1731 /* sum of oct->droq[oq_no]->stats->rx_pkts_received */
1732 data[i++] = lstats.rx_packets;
1733 /* sum of oct->instr_queue[iq_no]->stats.tx_done */
1734 data[i++] = lstats.tx_packets;
1735 /* sum of oct->droq[oq_no]->stats->rx_bytes_received */
1736 data[i++] = lstats.rx_bytes;
1737 /* sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */
1738 data[i++] = lstats.tx_bytes;
1739 data[i++] = lstats.rx_errors;
1740 data[i++] = lstats.tx_errors;
1741 /* sum of oct->droq[oq_no]->stats->rx_dropped +
1742 * oct->droq[oq_no]->stats->dropped_nodispatch +
1743 * oct->droq[oq_no]->stats->dropped_toomany +
1744 * oct->droq[oq_no]->stats->dropped_nomem
1745 */
1746 data[i++] = lstats.rx_dropped;
1747 /* sum of oct->instr_queue[iq_no]->stats.tx_dropped */
1748 data[i++] = lstats.tx_dropped +
1749 oct_dev->link_stats.fromhost.fw_err_drop;
1750
1751 data[i++] = oct_dev->link_stats.fromwire.fw_total_mcast;
1752 data[i++] = oct_dev->link_stats.fromhost.fw_total_mcast_sent;
1753 data[i++] = oct_dev->link_stats.fromwire.fw_total_bcast;
1754 data[i++] = oct_dev->link_stats.fromhost.fw_total_bcast_sent;
1755
1756 /* lio->link_changes */
1757 data[i++] = CVM_CAST64(lio->link_changes);
1758
1759 for (vj = 0; vj < oct_dev->num_iqs; vj++) {
1760 j = lio->linfo.txpciq[vj].s.q_no;
1761
1762 /* packets to network port */
1763 /* # of packets tx to network */
1764 data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done);
1765 /* # of bytes tx to network */
1766 data[i++] = CVM_CAST64(
1767 oct_dev->instr_queue[j]->stats.tx_tot_bytes);
1768 /* # of packets dropped */
1769 data[i++] = CVM_CAST64(
1770 oct_dev->instr_queue[j]->stats.tx_dropped);
1771 /* # of tx fails due to queue full */
1772 data[i++] = CVM_CAST64(
1773 oct_dev->instr_queue[j]->stats.tx_iq_busy);
1774 /* XXX gather entries sent */
1775 data[i++] = CVM_CAST64(
1776 oct_dev->instr_queue[j]->stats.sgentry_sent);
1777
1778 /* instruction to firmware: data and control */
1779 /* # of instructions to the queue */
1780 data[i++] = CVM_CAST64(
1781 oct_dev->instr_queue[j]->stats.instr_posted);
1782 /* # of instructions processed */
1783 data[i++] =
1784 CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_processed);
1785 /* # of instructions could not be processed */
1786 data[i++] =
1787 CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_dropped);
1788 /* bytes sent through the queue */
1789 data[i++] = CVM_CAST64(
1790 oct_dev->instr_queue[j]->stats.bytes_sent);
1791 /* tso request */
1792 data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso);
1793 /* vxlan request */
1794 data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_vxlan);
1795 /* txq restart */
1796 data[i++] = CVM_CAST64(
1797 oct_dev->instr_queue[j]->stats.tx_restart);
1798 }
1799
1800 /* RX */
1801 for (vj = 0; vj < oct_dev->num_oqs; vj++) {
1802 j = lio->linfo.rxpciq[vj].s.q_no;
1803
1804 /* packets send to TCP/IP network stack */
1805 /* # of packets to network stack */
1806 data[i++] = CVM_CAST64(
1807 oct_dev->droq[j]->stats.rx_pkts_received);
1808 /* # of bytes to network stack */
1809 data[i++] = CVM_CAST64(
1810 oct_dev->droq[j]->stats.rx_bytes_received);
1811 data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem +
1812 oct_dev->droq[j]->stats.dropped_toomany +
1813 oct_dev->droq[j]->stats.rx_dropped);
1814 data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem);
1815 data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany);
1816 data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped);
1817
1818 /* control and data path */
1819 data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.pkts_received);
1820 data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.bytes_received);
1821 data[i++] =
1822 CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch);
1823
1824 data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_vxlan);
1825 data[i++] =
1826 CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure);
1827 }
1828 }
1829
lio_get_priv_flags_strings(struct lio * lio,u8 * data)1830 static void lio_get_priv_flags_strings(struct lio *lio, u8 *data)
1831 {
1832 struct octeon_device *oct_dev = lio->oct_dev;
1833 int i;
1834
1835 switch (oct_dev->chip_id) {
1836 case OCTEON_CN23XX_PF_VID:
1837 case OCTEON_CN23XX_VF_VID:
1838 for (i = 0; i < ARRAY_SIZE(oct_priv_flags_strings); i++) {
1839 sprintf(data, "%s", oct_priv_flags_strings[i]);
1840 data += ETH_GSTRING_LEN;
1841 }
1842 break;
1843 case OCTEON_CN68XX:
1844 case OCTEON_CN66XX:
1845 break;
1846 default:
1847 netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n");
1848 break;
1849 }
1850 }
1851
lio_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1852 static void lio_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1853 {
1854 struct lio *lio = GET_LIO(netdev);
1855 struct octeon_device *oct_dev = lio->oct_dev;
1856 int num_iq_stats, num_oq_stats, i, j;
1857 int num_stats;
1858
1859 switch (stringset) {
1860 case ETH_SS_STATS:
1861 num_stats = ARRAY_SIZE(oct_stats_strings);
1862 for (j = 0; j < num_stats; j++) {
1863 sprintf(data, "%s", oct_stats_strings[j]);
1864 data += ETH_GSTRING_LEN;
1865 }
1866
1867 num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings);
1868 for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct_dev); i++) {
1869 if (!(oct_dev->io_qmask.iq & BIT_ULL(i)))
1870 continue;
1871 for (j = 0; j < num_iq_stats; j++) {
1872 sprintf(data, "tx-%d-%s", i,
1873 oct_iq_stats_strings[j]);
1874 data += ETH_GSTRING_LEN;
1875 }
1876 }
1877
1878 num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings);
1879 for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) {
1880 if (!(oct_dev->io_qmask.oq & BIT_ULL(i)))
1881 continue;
1882 for (j = 0; j < num_oq_stats; j++) {
1883 sprintf(data, "rx-%d-%s", i,
1884 oct_droq_stats_strings[j]);
1885 data += ETH_GSTRING_LEN;
1886 }
1887 }
1888 break;
1889
1890 case ETH_SS_PRIV_FLAGS:
1891 lio_get_priv_flags_strings(lio, data);
1892 break;
1893 default:
1894 netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n");
1895 break;
1896 }
1897 }
1898
lio_vf_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1899 static void lio_vf_get_strings(struct net_device *netdev, u32 stringset,
1900 u8 *data)
1901 {
1902 int num_iq_stats, num_oq_stats, i, j;
1903 struct lio *lio = GET_LIO(netdev);
1904 struct octeon_device *oct_dev = lio->oct_dev;
1905 int num_stats;
1906
1907 switch (stringset) {
1908 case ETH_SS_STATS:
1909 num_stats = ARRAY_SIZE(oct_vf_stats_strings);
1910 for (j = 0; j < num_stats; j++) {
1911 sprintf(data, "%s", oct_vf_stats_strings[j]);
1912 data += ETH_GSTRING_LEN;
1913 }
1914
1915 num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings);
1916 for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct_dev); i++) {
1917 if (!(oct_dev->io_qmask.iq & BIT_ULL(i)))
1918 continue;
1919 for (j = 0; j < num_iq_stats; j++) {
1920 sprintf(data, "tx-%d-%s", i,
1921 oct_iq_stats_strings[j]);
1922 data += ETH_GSTRING_LEN;
1923 }
1924 }
1925
1926 num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings);
1927 for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) {
1928 if (!(oct_dev->io_qmask.oq & BIT_ULL(i)))
1929 continue;
1930 for (j = 0; j < num_oq_stats; j++) {
1931 sprintf(data, "rx-%d-%s", i,
1932 oct_droq_stats_strings[j]);
1933 data += ETH_GSTRING_LEN;
1934 }
1935 }
1936 break;
1937
1938 case ETH_SS_PRIV_FLAGS:
1939 lio_get_priv_flags_strings(lio, data);
1940 break;
1941 default:
1942 netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n");
1943 break;
1944 }
1945 }
1946
lio_get_priv_flags_ss_count(struct lio * lio)1947 static int lio_get_priv_flags_ss_count(struct lio *lio)
1948 {
1949 struct octeon_device *oct_dev = lio->oct_dev;
1950
1951 switch (oct_dev->chip_id) {
1952 case OCTEON_CN23XX_PF_VID:
1953 case OCTEON_CN23XX_VF_VID:
1954 return ARRAY_SIZE(oct_priv_flags_strings);
1955 case OCTEON_CN68XX:
1956 case OCTEON_CN66XX:
1957 return -EOPNOTSUPP;
1958 default:
1959 netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n");
1960 return -EOPNOTSUPP;
1961 }
1962 }
1963
lio_get_sset_count(struct net_device * netdev,int sset)1964 static int lio_get_sset_count(struct net_device *netdev, int sset)
1965 {
1966 struct lio *lio = GET_LIO(netdev);
1967 struct octeon_device *oct_dev = lio->oct_dev;
1968
1969 switch (sset) {
1970 case ETH_SS_STATS:
1971 return (ARRAY_SIZE(oct_stats_strings) +
1972 ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs +
1973 ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs);
1974 case ETH_SS_PRIV_FLAGS:
1975 return lio_get_priv_flags_ss_count(lio);
1976 default:
1977 return -EOPNOTSUPP;
1978 }
1979 }
1980
lio_vf_get_sset_count(struct net_device * netdev,int sset)1981 static int lio_vf_get_sset_count(struct net_device *netdev, int sset)
1982 {
1983 struct lio *lio = GET_LIO(netdev);
1984 struct octeon_device *oct_dev = lio->oct_dev;
1985
1986 switch (sset) {
1987 case ETH_SS_STATS:
1988 return (ARRAY_SIZE(oct_vf_stats_strings) +
1989 ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs +
1990 ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs);
1991 case ETH_SS_PRIV_FLAGS:
1992 return lio_get_priv_flags_ss_count(lio);
1993 default:
1994 return -EOPNOTSUPP;
1995 }
1996 }
1997
1998 /* get interrupt moderation parameters */
octnet_get_intrmod_cfg(struct lio * lio,struct oct_intrmod_cfg * intr_cfg)1999 static int octnet_get_intrmod_cfg(struct lio *lio,
2000 struct oct_intrmod_cfg *intr_cfg)
2001 {
2002 struct octeon_soft_command *sc;
2003 struct oct_intrmod_resp *resp;
2004 int retval;
2005 struct octeon_device *oct_dev = lio->oct_dev;
2006
2007 /* Alloc soft command */
2008 sc = (struct octeon_soft_command *)
2009 octeon_alloc_soft_command(oct_dev,
2010 0,
2011 sizeof(struct oct_intrmod_resp), 0);
2012
2013 if (!sc)
2014 return -ENOMEM;
2015
2016 resp = (struct oct_intrmod_resp *)sc->virtrptr;
2017 memset(resp, 0, sizeof(struct oct_intrmod_resp));
2018
2019 sc->iq_no = lio->linfo.txpciq[0].s.q_no;
2020
2021 octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
2022 OPCODE_NIC_INTRMOD_PARAMS, 0, 0, 0);
2023
2024 init_completion(&sc->complete);
2025 sc->sc_status = OCTEON_REQUEST_PENDING;
2026
2027 retval = octeon_send_soft_command(oct_dev, sc);
2028 if (retval == IQ_SEND_FAILED) {
2029 octeon_free_soft_command(oct_dev, sc);
2030 return -EINVAL;
2031 }
2032
2033 /* Sleep on a wait queue till the cond flag indicates that the
2034 * response arrived or timed-out.
2035 */
2036 retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
2037 if (retval)
2038 return -ENODEV;
2039
2040 if (resp->status) {
2041 dev_err(&oct_dev->pci_dev->dev,
2042 "Get interrupt moderation parameters failed\n");
2043 WRITE_ONCE(sc->caller_is_done, true);
2044 return -ENODEV;
2045 }
2046
2047 octeon_swap_8B_data((u64 *)&resp->intrmod,
2048 (sizeof(struct oct_intrmod_cfg)) / 8);
2049 memcpy(intr_cfg, &resp->intrmod, sizeof(struct oct_intrmod_cfg));
2050 WRITE_ONCE(sc->caller_is_done, true);
2051
2052 return 0;
2053 }
2054
2055 /* Configure interrupt moderation parameters */
octnet_set_intrmod_cfg(struct lio * lio,struct oct_intrmod_cfg * intr_cfg)2056 static int octnet_set_intrmod_cfg(struct lio *lio,
2057 struct oct_intrmod_cfg *intr_cfg)
2058 {
2059 struct octeon_soft_command *sc;
2060 struct oct_intrmod_cfg *cfg;
2061 int retval;
2062 struct octeon_device *oct_dev = lio->oct_dev;
2063
2064 /* Alloc soft command */
2065 sc = (struct octeon_soft_command *)
2066 octeon_alloc_soft_command(oct_dev,
2067 sizeof(struct oct_intrmod_cfg),
2068 16, 0);
2069
2070 if (!sc)
2071 return -ENOMEM;
2072
2073 cfg = (struct oct_intrmod_cfg *)sc->virtdptr;
2074
2075 memcpy(cfg, intr_cfg, sizeof(struct oct_intrmod_cfg));
2076 octeon_swap_8B_data((u64 *)cfg, (sizeof(struct oct_intrmod_cfg)) / 8);
2077
2078 sc->iq_no = lio->linfo.txpciq[0].s.q_no;
2079
2080 octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
2081 OPCODE_NIC_INTRMOD_CFG, 0, 0, 0);
2082
2083 init_completion(&sc->complete);
2084 sc->sc_status = OCTEON_REQUEST_PENDING;
2085
2086 retval = octeon_send_soft_command(oct_dev, sc);
2087 if (retval == IQ_SEND_FAILED) {
2088 octeon_free_soft_command(oct_dev, sc);
2089 return -EINVAL;
2090 }
2091
2092 /* Sleep on a wait queue till the cond flag indicates that the
2093 * response arrived or timed-out.
2094 */
2095 retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
2096 if (retval)
2097 return retval;
2098
2099 retval = sc->sc_status;
2100 if (retval == 0) {
2101 dev_info(&oct_dev->pci_dev->dev,
2102 "Rx-Adaptive Interrupt moderation %s\n",
2103 (intr_cfg->rx_enable) ?
2104 "enabled" : "disabled");
2105 WRITE_ONCE(sc->caller_is_done, true);
2106 return 0;
2107 }
2108
2109 dev_err(&oct_dev->pci_dev->dev,
2110 "intrmod config failed. Status: %x\n", retval);
2111 WRITE_ONCE(sc->caller_is_done, true);
2112 return -ENODEV;
2113 }
2114
lio_get_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * intr_coal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)2115 static int lio_get_intr_coalesce(struct net_device *netdev,
2116 struct ethtool_coalesce *intr_coal,
2117 struct kernel_ethtool_coalesce *kernel_coal,
2118 struct netlink_ext_ack *extack)
2119 {
2120 struct lio *lio = GET_LIO(netdev);
2121 struct octeon_device *oct = lio->oct_dev;
2122 struct octeon_instr_queue *iq;
2123 struct oct_intrmod_cfg intrmod_cfg;
2124
2125 if (octnet_get_intrmod_cfg(lio, &intrmod_cfg))
2126 return -ENODEV;
2127
2128 switch (oct->chip_id) {
2129 case OCTEON_CN23XX_PF_VID:
2130 case OCTEON_CN23XX_VF_VID: {
2131 if (!intrmod_cfg.rx_enable) {
2132 intr_coal->rx_coalesce_usecs = oct->rx_coalesce_usecs;
2133 intr_coal->rx_max_coalesced_frames =
2134 oct->rx_max_coalesced_frames;
2135 }
2136 if (!intrmod_cfg.tx_enable)
2137 intr_coal->tx_max_coalesced_frames =
2138 oct->tx_max_coalesced_frames;
2139 break;
2140 }
2141 case OCTEON_CN68XX:
2142 case OCTEON_CN66XX: {
2143 struct octeon_cn6xxx *cn6xxx =
2144 (struct octeon_cn6xxx *)oct->chip;
2145
2146 if (!intrmod_cfg.rx_enable) {
2147 intr_coal->rx_coalesce_usecs =
2148 CFG_GET_OQ_INTR_TIME(cn6xxx->conf);
2149 intr_coal->rx_max_coalesced_frames =
2150 CFG_GET_OQ_INTR_PKT(cn6xxx->conf);
2151 }
2152 iq = oct->instr_queue[lio->linfo.txpciq[0].s.q_no];
2153 intr_coal->tx_max_coalesced_frames = iq->fill_threshold;
2154 break;
2155 }
2156 default:
2157 netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n");
2158 return -EINVAL;
2159 }
2160 if (intrmod_cfg.rx_enable) {
2161 intr_coal->use_adaptive_rx_coalesce =
2162 intrmod_cfg.rx_enable;
2163 intr_coal->rate_sample_interval =
2164 intrmod_cfg.check_intrvl;
2165 intr_coal->pkt_rate_high =
2166 intrmod_cfg.maxpkt_ratethr;
2167 intr_coal->pkt_rate_low =
2168 intrmod_cfg.minpkt_ratethr;
2169 intr_coal->rx_max_coalesced_frames_high =
2170 intrmod_cfg.rx_maxcnt_trigger;
2171 intr_coal->rx_coalesce_usecs_high =
2172 intrmod_cfg.rx_maxtmr_trigger;
2173 intr_coal->rx_coalesce_usecs_low =
2174 intrmod_cfg.rx_mintmr_trigger;
2175 intr_coal->rx_max_coalesced_frames_low =
2176 intrmod_cfg.rx_mincnt_trigger;
2177 }
2178 if ((OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct)) &&
2179 (intrmod_cfg.tx_enable)) {
2180 intr_coal->use_adaptive_tx_coalesce =
2181 intrmod_cfg.tx_enable;
2182 intr_coal->tx_max_coalesced_frames_high =
2183 intrmod_cfg.tx_maxcnt_trigger;
2184 intr_coal->tx_max_coalesced_frames_low =
2185 intrmod_cfg.tx_mincnt_trigger;
2186 }
2187 return 0;
2188 }
2189
2190 /* Enable/Disable auto interrupt Moderation */
oct_cfg_adaptive_intr(struct lio * lio,struct oct_intrmod_cfg * intrmod_cfg,struct ethtool_coalesce * intr_coal)2191 static int oct_cfg_adaptive_intr(struct lio *lio,
2192 struct oct_intrmod_cfg *intrmod_cfg,
2193 struct ethtool_coalesce *intr_coal)
2194 {
2195 int ret = 0;
2196
2197 if (intrmod_cfg->rx_enable || intrmod_cfg->tx_enable) {
2198 intrmod_cfg->check_intrvl = intr_coal->rate_sample_interval;
2199 intrmod_cfg->maxpkt_ratethr = intr_coal->pkt_rate_high;
2200 intrmod_cfg->minpkt_ratethr = intr_coal->pkt_rate_low;
2201 }
2202 if (intrmod_cfg->rx_enable) {
2203 intrmod_cfg->rx_maxcnt_trigger =
2204 intr_coal->rx_max_coalesced_frames_high;
2205 intrmod_cfg->rx_maxtmr_trigger =
2206 intr_coal->rx_coalesce_usecs_high;
2207 intrmod_cfg->rx_mintmr_trigger =
2208 intr_coal->rx_coalesce_usecs_low;
2209 intrmod_cfg->rx_mincnt_trigger =
2210 intr_coal->rx_max_coalesced_frames_low;
2211 }
2212 if (intrmod_cfg->tx_enable) {
2213 intrmod_cfg->tx_maxcnt_trigger =
2214 intr_coal->tx_max_coalesced_frames_high;
2215 intrmod_cfg->tx_mincnt_trigger =
2216 intr_coal->tx_max_coalesced_frames_low;
2217 }
2218
2219 ret = octnet_set_intrmod_cfg(lio, intrmod_cfg);
2220
2221 return ret;
2222 }
2223
2224 static int
oct_cfg_rx_intrcnt(struct lio * lio,struct oct_intrmod_cfg * intrmod,struct ethtool_coalesce * intr_coal)2225 oct_cfg_rx_intrcnt(struct lio *lio,
2226 struct oct_intrmod_cfg *intrmod,
2227 struct ethtool_coalesce *intr_coal)
2228 {
2229 struct octeon_device *oct = lio->oct_dev;
2230 u32 rx_max_coalesced_frames;
2231
2232 /* Config Cnt based interrupt values */
2233 switch (oct->chip_id) {
2234 case OCTEON_CN68XX:
2235 case OCTEON_CN66XX: {
2236 struct octeon_cn6xxx *cn6xxx =
2237 (struct octeon_cn6xxx *)oct->chip;
2238
2239 if (!intr_coal->rx_max_coalesced_frames)
2240 rx_max_coalesced_frames = CN6XXX_OQ_INTR_PKT;
2241 else
2242 rx_max_coalesced_frames =
2243 intr_coal->rx_max_coalesced_frames;
2244 octeon_write_csr(oct, CN6XXX_SLI_OQ_INT_LEVEL_PKTS,
2245 rx_max_coalesced_frames);
2246 CFG_SET_OQ_INTR_PKT(cn6xxx->conf, rx_max_coalesced_frames);
2247 break;
2248 }
2249 case OCTEON_CN23XX_PF_VID: {
2250 int q_no;
2251
2252 if (!intr_coal->rx_max_coalesced_frames)
2253 rx_max_coalesced_frames = intrmod->rx_frames;
2254 else
2255 rx_max_coalesced_frames =
2256 intr_coal->rx_max_coalesced_frames;
2257 for (q_no = 0; q_no < oct->num_oqs; q_no++) {
2258 q_no += oct->sriov_info.pf_srn;
2259 octeon_write_csr64(
2260 oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no),
2261 (octeon_read_csr64(
2262 oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no)) &
2263 (0x3fffff00000000UL)) |
2264 (rx_max_coalesced_frames - 1));
2265 /*consider setting resend bit*/
2266 }
2267 intrmod->rx_frames = rx_max_coalesced_frames;
2268 oct->rx_max_coalesced_frames = rx_max_coalesced_frames;
2269 break;
2270 }
2271 case OCTEON_CN23XX_VF_VID: {
2272 int q_no;
2273
2274 if (!intr_coal->rx_max_coalesced_frames)
2275 rx_max_coalesced_frames = intrmod->rx_frames;
2276 else
2277 rx_max_coalesced_frames =
2278 intr_coal->rx_max_coalesced_frames;
2279 for (q_no = 0; q_no < oct->num_oqs; q_no++) {
2280 octeon_write_csr64(
2281 oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no),
2282 (octeon_read_csr64(
2283 oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no)) &
2284 (0x3fffff00000000UL)) |
2285 (rx_max_coalesced_frames - 1));
2286 /*consider writing to resend bit here*/
2287 }
2288 intrmod->rx_frames = rx_max_coalesced_frames;
2289 oct->rx_max_coalesced_frames = rx_max_coalesced_frames;
2290 break;
2291 }
2292 default:
2293 return -EINVAL;
2294 }
2295 return 0;
2296 }
2297
oct_cfg_rx_intrtime(struct lio * lio,struct oct_intrmod_cfg * intrmod,struct ethtool_coalesce * intr_coal)2298 static int oct_cfg_rx_intrtime(struct lio *lio,
2299 struct oct_intrmod_cfg *intrmod,
2300 struct ethtool_coalesce *intr_coal)
2301 {
2302 struct octeon_device *oct = lio->oct_dev;
2303 u32 time_threshold, rx_coalesce_usecs;
2304
2305 /* Config Time based interrupt values */
2306 switch (oct->chip_id) {
2307 case OCTEON_CN68XX:
2308 case OCTEON_CN66XX: {
2309 struct octeon_cn6xxx *cn6xxx =
2310 (struct octeon_cn6xxx *)oct->chip;
2311 if (!intr_coal->rx_coalesce_usecs)
2312 rx_coalesce_usecs = CN6XXX_OQ_INTR_TIME;
2313 else
2314 rx_coalesce_usecs = intr_coal->rx_coalesce_usecs;
2315
2316 time_threshold = lio_cn6xxx_get_oq_ticks(oct,
2317 rx_coalesce_usecs);
2318 octeon_write_csr(oct,
2319 CN6XXX_SLI_OQ_INT_LEVEL_TIME,
2320 time_threshold);
2321
2322 CFG_SET_OQ_INTR_TIME(cn6xxx->conf, rx_coalesce_usecs);
2323 break;
2324 }
2325 case OCTEON_CN23XX_PF_VID: {
2326 u64 time_threshold;
2327 int q_no;
2328
2329 if (!intr_coal->rx_coalesce_usecs)
2330 rx_coalesce_usecs = intrmod->rx_usecs;
2331 else
2332 rx_coalesce_usecs = intr_coal->rx_coalesce_usecs;
2333 time_threshold =
2334 cn23xx_pf_get_oq_ticks(oct, (u32)rx_coalesce_usecs);
2335 for (q_no = 0; q_no < oct->num_oqs; q_no++) {
2336 q_no += oct->sriov_info.pf_srn;
2337 octeon_write_csr64(oct,
2338 CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no),
2339 (intrmod->rx_frames |
2340 ((u64)time_threshold << 32)));
2341 /*consider writing to resend bit here*/
2342 }
2343 intrmod->rx_usecs = rx_coalesce_usecs;
2344 oct->rx_coalesce_usecs = rx_coalesce_usecs;
2345 break;
2346 }
2347 case OCTEON_CN23XX_VF_VID: {
2348 u64 time_threshold;
2349 int q_no;
2350
2351 if (!intr_coal->rx_coalesce_usecs)
2352 rx_coalesce_usecs = intrmod->rx_usecs;
2353 else
2354 rx_coalesce_usecs = intr_coal->rx_coalesce_usecs;
2355
2356 time_threshold =
2357 cn23xx_vf_get_oq_ticks(oct, (u32)rx_coalesce_usecs);
2358 for (q_no = 0; q_no < oct->num_oqs; q_no++) {
2359 octeon_write_csr64(
2360 oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no),
2361 (intrmod->rx_frames |
2362 ((u64)time_threshold << 32)));
2363 /*consider setting resend bit*/
2364 }
2365 intrmod->rx_usecs = rx_coalesce_usecs;
2366 oct->rx_coalesce_usecs = rx_coalesce_usecs;
2367 break;
2368 }
2369 default:
2370 return -EINVAL;
2371 }
2372
2373 return 0;
2374 }
2375
2376 static int
oct_cfg_tx_intrcnt(struct lio * lio,struct oct_intrmod_cfg * intrmod,struct ethtool_coalesce * intr_coal)2377 oct_cfg_tx_intrcnt(struct lio *lio,
2378 struct oct_intrmod_cfg *intrmod,
2379 struct ethtool_coalesce *intr_coal)
2380 {
2381 struct octeon_device *oct = lio->oct_dev;
2382 u32 iq_intr_pkt;
2383 void __iomem *inst_cnt_reg;
2384 u64 val;
2385
2386 /* Config Cnt based interrupt values */
2387 switch (oct->chip_id) {
2388 case OCTEON_CN68XX:
2389 case OCTEON_CN66XX:
2390 break;
2391 case OCTEON_CN23XX_VF_VID:
2392 case OCTEON_CN23XX_PF_VID: {
2393 int q_no;
2394
2395 if (!intr_coal->tx_max_coalesced_frames)
2396 iq_intr_pkt = CN23XX_DEF_IQ_INTR_THRESHOLD &
2397 CN23XX_PKT_IN_DONE_WMARK_MASK;
2398 else
2399 iq_intr_pkt = intr_coal->tx_max_coalesced_frames &
2400 CN23XX_PKT_IN_DONE_WMARK_MASK;
2401 for (q_no = 0; q_no < oct->num_iqs; q_no++) {
2402 inst_cnt_reg = (oct->instr_queue[q_no])->inst_cnt_reg;
2403 val = readq(inst_cnt_reg);
2404 /*clear wmark and count.dont want to write count back*/
2405 val = (val & 0xFFFF000000000000ULL) |
2406 ((u64)(iq_intr_pkt - 1)
2407 << CN23XX_PKT_IN_DONE_WMARK_BIT_POS);
2408 writeq(val, inst_cnt_reg);
2409 /*consider setting resend bit*/
2410 }
2411 intrmod->tx_frames = iq_intr_pkt;
2412 oct->tx_max_coalesced_frames = iq_intr_pkt;
2413 break;
2414 }
2415 default:
2416 return -EINVAL;
2417 }
2418 return 0;
2419 }
2420
lio_set_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * intr_coal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)2421 static int lio_set_intr_coalesce(struct net_device *netdev,
2422 struct ethtool_coalesce *intr_coal,
2423 struct kernel_ethtool_coalesce *kernel_coal,
2424 struct netlink_ext_ack *extack)
2425 {
2426 struct lio *lio = GET_LIO(netdev);
2427 int ret;
2428 struct octeon_device *oct = lio->oct_dev;
2429 struct oct_intrmod_cfg intrmod = {0};
2430 u32 j, q_no;
2431 int db_max, db_min;
2432
2433 switch (oct->chip_id) {
2434 case OCTEON_CN68XX:
2435 case OCTEON_CN66XX:
2436 db_min = CN6XXX_DB_MIN;
2437 db_max = CN6XXX_DB_MAX;
2438 if ((intr_coal->tx_max_coalesced_frames >= db_min) &&
2439 (intr_coal->tx_max_coalesced_frames <= db_max)) {
2440 for (j = 0; j < lio->linfo.num_txpciq; j++) {
2441 q_no = lio->linfo.txpciq[j].s.q_no;
2442 oct->instr_queue[q_no]->fill_threshold =
2443 intr_coal->tx_max_coalesced_frames;
2444 }
2445 } else {
2446 dev_err(&oct->pci_dev->dev,
2447 "LIQUIDIO: Invalid tx-frames:%d. Range is min:%d max:%d\n",
2448 intr_coal->tx_max_coalesced_frames,
2449 db_min, db_max);
2450 return -EINVAL;
2451 }
2452 break;
2453 case OCTEON_CN23XX_PF_VID:
2454 case OCTEON_CN23XX_VF_VID:
2455 break;
2456 default:
2457 return -EINVAL;
2458 }
2459
2460 intrmod.rx_enable = intr_coal->use_adaptive_rx_coalesce ? 1 : 0;
2461 intrmod.tx_enable = intr_coal->use_adaptive_tx_coalesce ? 1 : 0;
2462 intrmod.rx_frames = CFG_GET_OQ_INTR_PKT(octeon_get_conf(oct));
2463 intrmod.rx_usecs = CFG_GET_OQ_INTR_TIME(octeon_get_conf(oct));
2464 intrmod.tx_frames = CFG_GET_IQ_INTR_PKT(octeon_get_conf(oct));
2465
2466 ret = oct_cfg_adaptive_intr(lio, &intrmod, intr_coal);
2467
2468 if (!intr_coal->use_adaptive_rx_coalesce) {
2469 ret = oct_cfg_rx_intrtime(lio, &intrmod, intr_coal);
2470 if (ret)
2471 goto ret_intrmod;
2472
2473 ret = oct_cfg_rx_intrcnt(lio, &intrmod, intr_coal);
2474 if (ret)
2475 goto ret_intrmod;
2476 } else {
2477 oct->rx_coalesce_usecs =
2478 CFG_GET_OQ_INTR_TIME(octeon_get_conf(oct));
2479 oct->rx_max_coalesced_frames =
2480 CFG_GET_OQ_INTR_PKT(octeon_get_conf(oct));
2481 }
2482
2483 if (!intr_coal->use_adaptive_tx_coalesce) {
2484 ret = oct_cfg_tx_intrcnt(lio, &intrmod, intr_coal);
2485 if (ret)
2486 goto ret_intrmod;
2487 } else {
2488 oct->tx_max_coalesced_frames =
2489 CFG_GET_IQ_INTR_PKT(octeon_get_conf(oct));
2490 }
2491
2492 return 0;
2493 ret_intrmod:
2494 return ret;
2495 }
2496
lio_get_ts_info(struct net_device * netdev,struct ethtool_ts_info * info)2497 static int lio_get_ts_info(struct net_device *netdev,
2498 struct ethtool_ts_info *info)
2499 {
2500 struct lio *lio = GET_LIO(netdev);
2501
2502 info->so_timestamping =
2503 #ifdef PTP_HARDWARE_TIMESTAMPING
2504 SOF_TIMESTAMPING_TX_HARDWARE |
2505 SOF_TIMESTAMPING_RX_HARDWARE |
2506 SOF_TIMESTAMPING_RAW_HARDWARE |
2507 SOF_TIMESTAMPING_TX_SOFTWARE |
2508 #endif
2509 SOF_TIMESTAMPING_RX_SOFTWARE |
2510 SOF_TIMESTAMPING_SOFTWARE;
2511
2512 if (lio->ptp_clock)
2513 info->phc_index = ptp_clock_index(lio->ptp_clock);
2514 else
2515 info->phc_index = -1;
2516
2517 #ifdef PTP_HARDWARE_TIMESTAMPING
2518 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2519
2520 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
2521 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
2522 (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
2523 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
2524 #endif
2525
2526 return 0;
2527 }
2528
2529 /* Return register dump len. */
lio_get_regs_len(struct net_device * dev)2530 static int lio_get_regs_len(struct net_device *dev)
2531 {
2532 struct lio *lio = GET_LIO(dev);
2533 struct octeon_device *oct = lio->oct_dev;
2534
2535 switch (oct->chip_id) {
2536 case OCTEON_CN23XX_PF_VID:
2537 return OCT_ETHTOOL_REGDUMP_LEN_23XX;
2538 case OCTEON_CN23XX_VF_VID:
2539 return OCT_ETHTOOL_REGDUMP_LEN_23XX_VF;
2540 default:
2541 return OCT_ETHTOOL_REGDUMP_LEN;
2542 }
2543 }
2544
cn23xx_read_csr_reg(char * s,struct octeon_device * oct)2545 static int cn23xx_read_csr_reg(char *s, struct octeon_device *oct)
2546 {
2547 u32 reg;
2548 u8 pf_num = oct->pf_num;
2549 int len = 0;
2550 int i;
2551
2552 /* PCI Window Registers */
2553
2554 len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n");
2555
2556 /*0x29030 or 0x29040*/
2557 reg = CN23XX_SLI_PKT_MAC_RINFO64(oct->pcie_port, oct->pf_num);
2558 len += sprintf(s + len,
2559 "\n[%08x] (SLI_PKT_MAC%d_PF%d_RINFO): %016llx\n",
2560 reg, oct->pcie_port, oct->pf_num,
2561 (u64)octeon_read_csr64(oct, reg));
2562
2563 /*0x27080 or 0x27090*/
2564 reg = CN23XX_SLI_MAC_PF_INT_ENB64(oct->pcie_port, oct->pf_num);
2565 len +=
2566 sprintf(s + len, "\n[%08x] (SLI_MAC%d_PF%d_INT_ENB): %016llx\n",
2567 reg, oct->pcie_port, oct->pf_num,
2568 (u64)octeon_read_csr64(oct, reg));
2569
2570 /*0x27000 or 0x27010*/
2571 reg = CN23XX_SLI_MAC_PF_INT_SUM64(oct->pcie_port, oct->pf_num);
2572 len +=
2573 sprintf(s + len, "\n[%08x] (SLI_MAC%d_PF%d_INT_SUM): %016llx\n",
2574 reg, oct->pcie_port, oct->pf_num,
2575 (u64)octeon_read_csr64(oct, reg));
2576
2577 /*0x29120*/
2578 reg = 0x29120;
2579 len += sprintf(s + len, "\n[%08x] (SLI_PKT_MEM_CTL): %016llx\n", reg,
2580 (u64)octeon_read_csr64(oct, reg));
2581
2582 /*0x27300*/
2583 reg = 0x27300 + oct->pcie_port * CN23XX_MAC_INT_OFFSET +
2584 (oct->pf_num) * CN23XX_PF_INT_OFFSET;
2585 len += sprintf(
2586 s + len, "\n[%08x] (SLI_MAC%d_PF%d_PKT_VF_INT): %016llx\n", reg,
2587 oct->pcie_port, oct->pf_num, (u64)octeon_read_csr64(oct, reg));
2588
2589 /*0x27200*/
2590 reg = 0x27200 + oct->pcie_port * CN23XX_MAC_INT_OFFSET +
2591 (oct->pf_num) * CN23XX_PF_INT_OFFSET;
2592 len += sprintf(s + len,
2593 "\n[%08x] (SLI_MAC%d_PF%d_PP_VF_INT): %016llx\n",
2594 reg, oct->pcie_port, oct->pf_num,
2595 (u64)octeon_read_csr64(oct, reg));
2596
2597 /*29130*/
2598 reg = CN23XX_SLI_PKT_CNT_INT;
2599 len += sprintf(s + len, "\n[%08x] (SLI_PKT_CNT_INT): %016llx\n", reg,
2600 (u64)octeon_read_csr64(oct, reg));
2601
2602 /*0x29140*/
2603 reg = CN23XX_SLI_PKT_TIME_INT;
2604 len += sprintf(s + len, "\n[%08x] (SLI_PKT_TIME_INT): %016llx\n", reg,
2605 (u64)octeon_read_csr64(oct, reg));
2606
2607 /*0x29160*/
2608 reg = 0x29160;
2609 len += sprintf(s + len, "\n[%08x] (SLI_PKT_INT): %016llx\n", reg,
2610 (u64)octeon_read_csr64(oct, reg));
2611
2612 /*0x29180*/
2613 reg = CN23XX_SLI_OQ_WMARK;
2614 len += sprintf(s + len, "\n[%08x] (SLI_PKT_OUTPUT_WMARK): %016llx\n",
2615 reg, (u64)octeon_read_csr64(oct, reg));
2616
2617 /*0x291E0*/
2618 reg = CN23XX_SLI_PKT_IOQ_RING_RST;
2619 len += sprintf(s + len, "\n[%08x] (SLI_PKT_RING_RST): %016llx\n", reg,
2620 (u64)octeon_read_csr64(oct, reg));
2621
2622 /*0x29210*/
2623 reg = CN23XX_SLI_GBL_CONTROL;
2624 len += sprintf(s + len,
2625 "\n[%08x] (SLI_PKT_GBL_CONTROL): %016llx\n", reg,
2626 (u64)octeon_read_csr64(oct, reg));
2627
2628 /*0x29220*/
2629 reg = 0x29220;
2630 len += sprintf(s + len, "\n[%08x] (SLI_PKT_BIST_STATUS): %016llx\n",
2631 reg, (u64)octeon_read_csr64(oct, reg));
2632
2633 /*PF only*/
2634 if (pf_num == 0) {
2635 /*0x29260*/
2636 reg = CN23XX_SLI_OUT_BP_EN_W1S;
2637 len += sprintf(s + len,
2638 "\n[%08x] (SLI_PKT_OUT_BP_EN_W1S): %016llx\n",
2639 reg, (u64)octeon_read_csr64(oct, reg));
2640 } else if (pf_num == 1) {
2641 /*0x29270*/
2642 reg = CN23XX_SLI_OUT_BP_EN2_W1S;
2643 len += sprintf(s + len,
2644 "\n[%08x] (SLI_PKT_OUT_BP_EN2_W1S): %016llx\n",
2645 reg, (u64)octeon_read_csr64(oct, reg));
2646 }
2647
2648 for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2649 reg = CN23XX_SLI_OQ_BUFF_INFO_SIZE(i);
2650 len +=
2651 sprintf(s + len, "\n[%08x] (SLI_PKT%d_OUT_SIZE): %016llx\n",
2652 reg, i, (u64)octeon_read_csr64(oct, reg));
2653 }
2654
2655 /*0x10040*/
2656 for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2657 reg = CN23XX_SLI_IQ_INSTR_COUNT64(i);
2658 len += sprintf(s + len,
2659 "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",
2660 reg, i, (u64)octeon_read_csr64(oct, reg));
2661 }
2662
2663 /*0x10080*/
2664 for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2665 reg = CN23XX_SLI_OQ_PKTS_CREDIT(i);
2666 len += sprintf(s + len,
2667 "\n[%08x] (SLI_PKT%d_SLIST_BAOFF_DBELL): %016llx\n",
2668 reg, i, (u64)octeon_read_csr64(oct, reg));
2669 }
2670
2671 /*0x10090*/
2672 for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2673 reg = CN23XX_SLI_OQ_SIZE(i);
2674 len += sprintf(
2675 s + len, "\n[%08x] (SLI_PKT%d_SLIST_FIFO_RSIZE): %016llx\n",
2676 reg, i, (u64)octeon_read_csr64(oct, reg));
2677 }
2678
2679 /*0x10050*/
2680 for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2681 reg = CN23XX_SLI_OQ_PKT_CONTROL(i);
2682 len += sprintf(
2683 s + len,
2684 "\n[%08x] (SLI_PKT%d__OUTPUT_CONTROL): %016llx\n",
2685 reg, i, (u64)octeon_read_csr64(oct, reg));
2686 }
2687
2688 /*0x10070*/
2689 for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2690 reg = CN23XX_SLI_OQ_BASE_ADDR64(i);
2691 len += sprintf(s + len,
2692 "\n[%08x] (SLI_PKT%d_SLIST_BADDR): %016llx\n",
2693 reg, i, (u64)octeon_read_csr64(oct, reg));
2694 }
2695
2696 /*0x100a0*/
2697 for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2698 reg = CN23XX_SLI_OQ_PKT_INT_LEVELS(i);
2699 len += sprintf(s + len,
2700 "\n[%08x] (SLI_PKT%d_INT_LEVELS): %016llx\n",
2701 reg, i, (u64)octeon_read_csr64(oct, reg));
2702 }
2703
2704 /*0x100b0*/
2705 for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2706 reg = CN23XX_SLI_OQ_PKTS_SENT(i);
2707 len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_CNTS): %016llx\n",
2708 reg, i, (u64)octeon_read_csr64(oct, reg));
2709 }
2710
2711 /*0x100c0*/
2712 for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) {
2713 reg = 0x100c0 + i * CN23XX_OQ_OFFSET;
2714 len += sprintf(s + len,
2715 "\n[%08x] (SLI_PKT%d_ERROR_INFO): %016llx\n",
2716 reg, i, (u64)octeon_read_csr64(oct, reg));
2717
2718 /*0x10000*/
2719 for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2720 reg = CN23XX_SLI_IQ_PKT_CONTROL64(i);
2721 len += sprintf(
2722 s + len,
2723 "\n[%08x] (SLI_PKT%d_INPUT_CONTROL): %016llx\n",
2724 reg, i, (u64)octeon_read_csr64(oct, reg));
2725 }
2726
2727 /*0x10010*/
2728 for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2729 reg = CN23XX_SLI_IQ_BASE_ADDR64(i);
2730 len += sprintf(
2731 s + len,
2732 "\n[%08x] (SLI_PKT%d_INSTR_BADDR): %016llx\n", reg,
2733 i, (u64)octeon_read_csr64(oct, reg));
2734 }
2735
2736 /*0x10020*/
2737 for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2738 reg = CN23XX_SLI_IQ_DOORBELL(i);
2739 len += sprintf(
2740 s + len,
2741 "\n[%08x] (SLI_PKT%d_INSTR_BAOFF_DBELL): %016llx\n",
2742 reg, i, (u64)octeon_read_csr64(oct, reg));
2743 }
2744
2745 /*0x10030*/
2746 for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) {
2747 reg = CN23XX_SLI_IQ_SIZE(i);
2748 len += sprintf(
2749 s + len,
2750 "\n[%08x] (SLI_PKT%d_INSTR_FIFO_RSIZE): %016llx\n",
2751 reg, i, (u64)octeon_read_csr64(oct, reg));
2752 }
2753
2754 /*0x10040*/
2755 for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++)
2756 reg = CN23XX_SLI_IQ_INSTR_COUNT64(i);
2757 len += sprintf(s + len,
2758 "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",
2759 reg, i, (u64)octeon_read_csr64(oct, reg));
2760 }
2761
2762 return len;
2763 }
2764
cn23xx_vf_read_csr_reg(char * s,struct octeon_device * oct)2765 static int cn23xx_vf_read_csr_reg(char *s, struct octeon_device *oct)
2766 {
2767 int len = 0;
2768 u32 reg;
2769 int i;
2770
2771 /* PCI Window Registers */
2772
2773 len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n");
2774
2775 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2776 reg = CN23XX_VF_SLI_OQ_BUFF_INFO_SIZE(i);
2777 len += sprintf(s + len,
2778 "\n[%08x] (SLI_PKT%d_OUT_SIZE): %016llx\n",
2779 reg, i, (u64)octeon_read_csr64(oct, reg));
2780 }
2781
2782 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2783 reg = CN23XX_VF_SLI_IQ_INSTR_COUNT64(i);
2784 len += sprintf(s + len,
2785 "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",
2786 reg, i, (u64)octeon_read_csr64(oct, reg));
2787 }
2788
2789 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2790 reg = CN23XX_VF_SLI_OQ_PKTS_CREDIT(i);
2791 len += sprintf(s + len,
2792 "\n[%08x] (SLI_PKT%d_SLIST_BAOFF_DBELL): %016llx\n",
2793 reg, i, (u64)octeon_read_csr64(oct, reg));
2794 }
2795
2796 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2797 reg = CN23XX_VF_SLI_OQ_SIZE(i);
2798 len += sprintf(s + len,
2799 "\n[%08x] (SLI_PKT%d_SLIST_FIFO_RSIZE): %016llx\n",
2800 reg, i, (u64)octeon_read_csr64(oct, reg));
2801 }
2802
2803 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2804 reg = CN23XX_VF_SLI_OQ_PKT_CONTROL(i);
2805 len += sprintf(s + len,
2806 "\n[%08x] (SLI_PKT%d__OUTPUT_CONTROL): %016llx\n",
2807 reg, i, (u64)octeon_read_csr64(oct, reg));
2808 }
2809
2810 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2811 reg = CN23XX_VF_SLI_OQ_BASE_ADDR64(i);
2812 len += sprintf(s + len,
2813 "\n[%08x] (SLI_PKT%d_SLIST_BADDR): %016llx\n",
2814 reg, i, (u64)octeon_read_csr64(oct, reg));
2815 }
2816
2817 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2818 reg = CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(i);
2819 len += sprintf(s + len,
2820 "\n[%08x] (SLI_PKT%d_INT_LEVELS): %016llx\n",
2821 reg, i, (u64)octeon_read_csr64(oct, reg));
2822 }
2823
2824 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2825 reg = CN23XX_VF_SLI_OQ_PKTS_SENT(i);
2826 len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_CNTS): %016llx\n",
2827 reg, i, (u64)octeon_read_csr64(oct, reg));
2828 }
2829
2830 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2831 reg = 0x100c0 + i * CN23XX_VF_OQ_OFFSET;
2832 len += sprintf(s + len,
2833 "\n[%08x] (SLI_PKT%d_ERROR_INFO): %016llx\n",
2834 reg, i, (u64)octeon_read_csr64(oct, reg));
2835 }
2836
2837 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2838 reg = 0x100d0 + i * CN23XX_VF_IQ_OFFSET;
2839 len += sprintf(s + len,
2840 "\n[%08x] (SLI_PKT%d_VF_INT_SUM): %016llx\n",
2841 reg, i, (u64)octeon_read_csr64(oct, reg));
2842 }
2843
2844 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2845 reg = CN23XX_VF_SLI_IQ_PKT_CONTROL64(i);
2846 len += sprintf(s + len,
2847 "\n[%08x] (SLI_PKT%d_INPUT_CONTROL): %016llx\n",
2848 reg, i, (u64)octeon_read_csr64(oct, reg));
2849 }
2850
2851 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2852 reg = CN23XX_VF_SLI_IQ_BASE_ADDR64(i);
2853 len += sprintf(s + len,
2854 "\n[%08x] (SLI_PKT%d_INSTR_BADDR): %016llx\n",
2855 reg, i, (u64)octeon_read_csr64(oct, reg));
2856 }
2857
2858 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2859 reg = CN23XX_VF_SLI_IQ_DOORBELL(i);
2860 len += sprintf(s + len,
2861 "\n[%08x] (SLI_PKT%d_INSTR_BAOFF_DBELL): %016llx\n",
2862 reg, i, (u64)octeon_read_csr64(oct, reg));
2863 }
2864
2865 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2866 reg = CN23XX_VF_SLI_IQ_SIZE(i);
2867 len += sprintf(s + len,
2868 "\n[%08x] (SLI_PKT%d_INSTR_FIFO_RSIZE): %016llx\n",
2869 reg, i, (u64)octeon_read_csr64(oct, reg));
2870 }
2871
2872 for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) {
2873 reg = CN23XX_VF_SLI_IQ_INSTR_COUNT64(i);
2874 len += sprintf(s + len,
2875 "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n",
2876 reg, i, (u64)octeon_read_csr64(oct, reg));
2877 }
2878
2879 return len;
2880 }
2881
cn6xxx_read_csr_reg(char * s,struct octeon_device * oct)2882 static int cn6xxx_read_csr_reg(char *s, struct octeon_device *oct)
2883 {
2884 u32 reg;
2885 int i, len = 0;
2886
2887 /* PCI Window Registers */
2888
2889 len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n");
2890 reg = CN6XXX_WIN_WR_ADDR_LO;
2891 len += sprintf(s + len, "\n[%02x] (WIN_WR_ADDR_LO): %08x\n",
2892 CN6XXX_WIN_WR_ADDR_LO, octeon_read_csr(oct, reg));
2893 reg = CN6XXX_WIN_WR_ADDR_HI;
2894 len += sprintf(s + len, "[%02x] (WIN_WR_ADDR_HI): %08x\n",
2895 CN6XXX_WIN_WR_ADDR_HI, octeon_read_csr(oct, reg));
2896 reg = CN6XXX_WIN_RD_ADDR_LO;
2897 len += sprintf(s + len, "[%02x] (WIN_RD_ADDR_LO): %08x\n",
2898 CN6XXX_WIN_RD_ADDR_LO, octeon_read_csr(oct, reg));
2899 reg = CN6XXX_WIN_RD_ADDR_HI;
2900 len += sprintf(s + len, "[%02x] (WIN_RD_ADDR_HI): %08x\n",
2901 CN6XXX_WIN_RD_ADDR_HI, octeon_read_csr(oct, reg));
2902 reg = CN6XXX_WIN_WR_DATA_LO;
2903 len += sprintf(s + len, "[%02x] (WIN_WR_DATA_LO): %08x\n",
2904 CN6XXX_WIN_WR_DATA_LO, octeon_read_csr(oct, reg));
2905 reg = CN6XXX_WIN_WR_DATA_HI;
2906 len += sprintf(s + len, "[%02x] (WIN_WR_DATA_HI): %08x\n",
2907 CN6XXX_WIN_WR_DATA_HI, octeon_read_csr(oct, reg));
2908 len += sprintf(s + len, "[%02x] (WIN_WR_MASK_REG): %08x\n",
2909 CN6XXX_WIN_WR_MASK_REG,
2910 octeon_read_csr(oct, CN6XXX_WIN_WR_MASK_REG));
2911
2912 /* PCI Interrupt Register */
2913 len += sprintf(s + len, "\n[%x] (INT_ENABLE PORT 0): %08x\n",
2914 CN6XXX_SLI_INT_ENB64_PORT0, octeon_read_csr(oct,
2915 CN6XXX_SLI_INT_ENB64_PORT0));
2916 len += sprintf(s + len, "\n[%x] (INT_ENABLE PORT 1): %08x\n",
2917 CN6XXX_SLI_INT_ENB64_PORT1,
2918 octeon_read_csr(oct, CN6XXX_SLI_INT_ENB64_PORT1));
2919 len += sprintf(s + len, "[%x] (INT_SUM): %08x\n", CN6XXX_SLI_INT_SUM64,
2920 octeon_read_csr(oct, CN6XXX_SLI_INT_SUM64));
2921
2922 /* PCI Output queue registers */
2923 for (i = 0; i < oct->num_oqs; i++) {
2924 reg = CN6XXX_SLI_OQ_PKTS_SENT(i);
2925 len += sprintf(s + len, "\n[%x] (PKTS_SENT_%d): %08x\n",
2926 reg, i, octeon_read_csr(oct, reg));
2927 reg = CN6XXX_SLI_OQ_PKTS_CREDIT(i);
2928 len += sprintf(s + len, "[%x] (PKT_CREDITS_%d): %08x\n",
2929 reg, i, octeon_read_csr(oct, reg));
2930 }
2931 reg = CN6XXX_SLI_OQ_INT_LEVEL_PKTS;
2932 len += sprintf(s + len, "\n[%x] (PKTS_SENT_INT_LEVEL): %08x\n",
2933 reg, octeon_read_csr(oct, reg));
2934 reg = CN6XXX_SLI_OQ_INT_LEVEL_TIME;
2935 len += sprintf(s + len, "[%x] (PKTS_SENT_TIME): %08x\n",
2936 reg, octeon_read_csr(oct, reg));
2937
2938 /* PCI Input queue registers */
2939 for (i = 0; i <= 3; i++) {
2940 u32 reg;
2941
2942 reg = CN6XXX_SLI_IQ_DOORBELL(i);
2943 len += sprintf(s + len, "\n[%x] (INSTR_DOORBELL_%d): %08x\n",
2944 reg, i, octeon_read_csr(oct, reg));
2945 reg = CN6XXX_SLI_IQ_INSTR_COUNT(i);
2946 len += sprintf(s + len, "[%x] (INSTR_COUNT_%d): %08x\n",
2947 reg, i, octeon_read_csr(oct, reg));
2948 }
2949
2950 /* PCI DMA registers */
2951
2952 len += sprintf(s + len, "\n[%x] (DMA_CNT_0): %08x\n",
2953 CN6XXX_DMA_CNT(0),
2954 octeon_read_csr(oct, CN6XXX_DMA_CNT(0)));
2955 reg = CN6XXX_DMA_PKT_INT_LEVEL(0);
2956 len += sprintf(s + len, "[%x] (DMA_INT_LEV_0): %08x\n",
2957 CN6XXX_DMA_PKT_INT_LEVEL(0), octeon_read_csr(oct, reg));
2958 reg = CN6XXX_DMA_TIME_INT_LEVEL(0);
2959 len += sprintf(s + len, "[%x] (DMA_TIME_0): %08x\n",
2960 CN6XXX_DMA_TIME_INT_LEVEL(0),
2961 octeon_read_csr(oct, reg));
2962
2963 len += sprintf(s + len, "\n[%x] (DMA_CNT_1): %08x\n",
2964 CN6XXX_DMA_CNT(1),
2965 octeon_read_csr(oct, CN6XXX_DMA_CNT(1)));
2966 reg = CN6XXX_DMA_PKT_INT_LEVEL(1);
2967 len += sprintf(s + len, "[%x] (DMA_INT_LEV_1): %08x\n",
2968 CN6XXX_DMA_PKT_INT_LEVEL(1),
2969 octeon_read_csr(oct, reg));
2970 reg = CN6XXX_DMA_PKT_INT_LEVEL(1);
2971 len += sprintf(s + len, "[%x] (DMA_TIME_1): %08x\n",
2972 CN6XXX_DMA_TIME_INT_LEVEL(1),
2973 octeon_read_csr(oct, reg));
2974
2975 /* PCI Index registers */
2976
2977 len += sprintf(s + len, "\n");
2978
2979 for (i = 0; i < 16; i++) {
2980 reg = lio_pci_readq(oct, CN6XXX_BAR1_REG(i, oct->pcie_port));
2981 len += sprintf(s + len, "[%llx] (BAR1_INDEX_%02d): %08x\n",
2982 CN6XXX_BAR1_REG(i, oct->pcie_port), i, reg);
2983 }
2984
2985 return len;
2986 }
2987
cn6xxx_read_config_reg(char * s,struct octeon_device * oct)2988 static int cn6xxx_read_config_reg(char *s, struct octeon_device *oct)
2989 {
2990 u32 val;
2991 int i, len = 0;
2992
2993 /* PCI CONFIG Registers */
2994
2995 len += sprintf(s + len,
2996 "\n\t Octeon Config space Registers\n\n");
2997
2998 for (i = 0; i <= 13; i++) {
2999 pci_read_config_dword(oct->pci_dev, (i * 4), &val);
3000 len += sprintf(s + len, "[0x%x] (Config[%d]): 0x%08x\n",
3001 (i * 4), i, val);
3002 }
3003
3004 for (i = 30; i <= 34; i++) {
3005 pci_read_config_dword(oct->pci_dev, (i * 4), &val);
3006 len += sprintf(s + len, "[0x%x] (Config[%d]): 0x%08x\n",
3007 (i * 4), i, val);
3008 }
3009
3010 return len;
3011 }
3012
3013 /* Return register dump user app. */
lio_get_regs(struct net_device * dev,struct ethtool_regs * regs,void * regbuf)3014 static void lio_get_regs(struct net_device *dev,
3015 struct ethtool_regs *regs, void *regbuf)
3016 {
3017 struct lio *lio = GET_LIO(dev);
3018 int len = 0;
3019 struct octeon_device *oct = lio->oct_dev;
3020
3021 regs->version = OCT_ETHTOOL_REGSVER;
3022
3023 switch (oct->chip_id) {
3024 case OCTEON_CN23XX_PF_VID:
3025 memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN_23XX);
3026 len += cn23xx_read_csr_reg(regbuf + len, oct);
3027 break;
3028 case OCTEON_CN23XX_VF_VID:
3029 memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN_23XX_VF);
3030 len += cn23xx_vf_read_csr_reg(regbuf + len, oct);
3031 break;
3032 case OCTEON_CN68XX:
3033 case OCTEON_CN66XX:
3034 memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN);
3035 len += cn6xxx_read_csr_reg(regbuf + len, oct);
3036 len += cn6xxx_read_config_reg(regbuf + len, oct);
3037 break;
3038 default:
3039 dev_err(&oct->pci_dev->dev, "%s Unknown chipid: %d\n",
3040 __func__, oct->chip_id);
3041 }
3042 }
3043
lio_get_priv_flags(struct net_device * netdev)3044 static u32 lio_get_priv_flags(struct net_device *netdev)
3045 {
3046 struct lio *lio = GET_LIO(netdev);
3047
3048 return lio->oct_dev->priv_flags;
3049 }
3050
lio_set_priv_flags(struct net_device * netdev,u32 flags)3051 static int lio_set_priv_flags(struct net_device *netdev, u32 flags)
3052 {
3053 struct lio *lio = GET_LIO(netdev);
3054 bool intr_by_tx_bytes = !!(flags & (0x1 << OCT_PRIV_FLAG_TX_BYTES));
3055
3056 lio_set_priv_flag(lio->oct_dev, OCT_PRIV_FLAG_TX_BYTES,
3057 intr_by_tx_bytes);
3058 return 0;
3059 }
3060
lio_get_fecparam(struct net_device * netdev,struct ethtool_fecparam * fec)3061 static int lio_get_fecparam(struct net_device *netdev,
3062 struct ethtool_fecparam *fec)
3063 {
3064 struct lio *lio = GET_LIO(netdev);
3065 struct octeon_device *oct = lio->oct_dev;
3066
3067 fec->active_fec = ETHTOOL_FEC_NONE;
3068 fec->fec = ETHTOOL_FEC_NONE;
3069
3070 if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID ||
3071 oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) {
3072 if (oct->no_speed_setting == 1)
3073 return 0;
3074
3075 liquidio_get_fec(lio);
3076 fec->fec = (ETHTOOL_FEC_RS | ETHTOOL_FEC_OFF);
3077 if (oct->props[lio->ifidx].fec == 1)
3078 fec->active_fec = ETHTOOL_FEC_RS;
3079 else
3080 fec->active_fec = ETHTOOL_FEC_OFF;
3081 }
3082
3083 return 0;
3084 }
3085
lio_set_fecparam(struct net_device * netdev,struct ethtool_fecparam * fec)3086 static int lio_set_fecparam(struct net_device *netdev,
3087 struct ethtool_fecparam *fec)
3088 {
3089 struct lio *lio = GET_LIO(netdev);
3090 struct octeon_device *oct = lio->oct_dev;
3091
3092 if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID ||
3093 oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) {
3094 if (oct->no_speed_setting == 1)
3095 return -EOPNOTSUPP;
3096
3097 if (fec->fec & ETHTOOL_FEC_OFF)
3098 liquidio_set_fec(lio, 0);
3099 else if (fec->fec & ETHTOOL_FEC_RS)
3100 liquidio_set_fec(lio, 1);
3101 else
3102 return -EOPNOTSUPP;
3103 } else {
3104 return -EOPNOTSUPP;
3105 }
3106
3107 return 0;
3108 }
3109
3110 #define LIO_ETHTOOL_COALESCE (ETHTOOL_COALESCE_RX_USECS | \
3111 ETHTOOL_COALESCE_MAX_FRAMES | \
3112 ETHTOOL_COALESCE_USE_ADAPTIVE | \
3113 ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW | \
3114 ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW | \
3115 ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH | \
3116 ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH | \
3117 ETHTOOL_COALESCE_PKT_RATE_RX_USECS)
3118
3119 static const struct ethtool_ops lio_ethtool_ops = {
3120 .supported_coalesce_params = LIO_ETHTOOL_COALESCE,
3121 .get_link_ksettings = lio_get_link_ksettings,
3122 .set_link_ksettings = lio_set_link_ksettings,
3123 .get_fecparam = lio_get_fecparam,
3124 .set_fecparam = lio_set_fecparam,
3125 .get_link = ethtool_op_get_link,
3126 .get_drvinfo = lio_get_drvinfo,
3127 .get_ringparam = lio_ethtool_get_ringparam,
3128 .set_ringparam = lio_ethtool_set_ringparam,
3129 .get_channels = lio_ethtool_get_channels,
3130 .set_channels = lio_ethtool_set_channels,
3131 .set_phys_id = lio_set_phys_id,
3132 .get_eeprom_len = lio_get_eeprom_len,
3133 .get_eeprom = lio_get_eeprom,
3134 .get_strings = lio_get_strings,
3135 .get_ethtool_stats = lio_get_ethtool_stats,
3136 .get_pauseparam = lio_get_pauseparam,
3137 .set_pauseparam = lio_set_pauseparam,
3138 .get_regs_len = lio_get_regs_len,
3139 .get_regs = lio_get_regs,
3140 .get_msglevel = lio_get_msglevel,
3141 .set_msglevel = lio_set_msglevel,
3142 .get_sset_count = lio_get_sset_count,
3143 .get_coalesce = lio_get_intr_coalesce,
3144 .set_coalesce = lio_set_intr_coalesce,
3145 .get_priv_flags = lio_get_priv_flags,
3146 .set_priv_flags = lio_set_priv_flags,
3147 .get_ts_info = lio_get_ts_info,
3148 };
3149
3150 static const struct ethtool_ops lio_vf_ethtool_ops = {
3151 .supported_coalesce_params = LIO_ETHTOOL_COALESCE,
3152 .get_link_ksettings = lio_get_link_ksettings,
3153 .get_link = ethtool_op_get_link,
3154 .get_drvinfo = lio_get_vf_drvinfo,
3155 .get_ringparam = lio_ethtool_get_ringparam,
3156 .set_ringparam = lio_ethtool_set_ringparam,
3157 .get_channels = lio_ethtool_get_channels,
3158 .set_channels = lio_ethtool_set_channels,
3159 .get_strings = lio_vf_get_strings,
3160 .get_ethtool_stats = lio_vf_get_ethtool_stats,
3161 .get_regs_len = lio_get_regs_len,
3162 .get_regs = lio_get_regs,
3163 .get_msglevel = lio_get_msglevel,
3164 .set_msglevel = lio_vf_set_msglevel,
3165 .get_sset_count = lio_vf_get_sset_count,
3166 .get_coalesce = lio_get_intr_coalesce,
3167 .set_coalesce = lio_set_intr_coalesce,
3168 .get_priv_flags = lio_get_priv_flags,
3169 .set_priv_flags = lio_set_priv_flags,
3170 .get_ts_info = lio_get_ts_info,
3171 };
3172
liquidio_set_ethtool_ops(struct net_device * netdev)3173 void liquidio_set_ethtool_ops(struct net_device *netdev)
3174 {
3175 struct lio *lio = GET_LIO(netdev);
3176 struct octeon_device *oct = lio->oct_dev;
3177
3178 if (OCTEON_CN23XX_VF(oct))
3179 netdev->ethtool_ops = &lio_vf_ethtool_ops;
3180 else
3181 netdev->ethtool_ops = &lio_ethtool_ops;
3182 }
3183 EXPORT_SYMBOL_GPL(liquidio_set_ethtool_ops);
3184