1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * QLogic qlcnic NIC Driver
4 * Copyright (c) 2009-2013 QLogic Corporation
5 */
6
7 #include <linux/types.h>
8 #include <linux/delay.h>
9 #include <linux/pci.h>
10 #include <linux/io.h>
11 #include <linux/netdevice.h>
12 #include <linux/ethtool.h>
13
14 #include "qlcnic.h"
15
16 struct qlcnic_stats {
17 char stat_string[ETH_GSTRING_LEN];
18 int sizeof_stat;
19 int stat_offset;
20 };
21
22 #define QLC_SIZEOF(m) sizeof_field(struct qlcnic_adapter, m)
23 #define QLC_OFF(m) offsetof(struct qlcnic_adapter, m)
24 static const u32 qlcnic_fw_dump_level[] = {
25 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff
26 };
27
28 static const struct qlcnic_stats qlcnic_gstrings_stats[] = {
29 {"xmit_on", QLC_SIZEOF(stats.xmit_on), QLC_OFF(stats.xmit_on)},
30 {"xmit_off", QLC_SIZEOF(stats.xmit_off), QLC_OFF(stats.xmit_off)},
31 {"xmit_called", QLC_SIZEOF(stats.xmitcalled),
32 QLC_OFF(stats.xmitcalled)},
33 {"xmit_finished", QLC_SIZEOF(stats.xmitfinished),
34 QLC_OFF(stats.xmitfinished)},
35 {"tx dma map error", QLC_SIZEOF(stats.tx_dma_map_error),
36 QLC_OFF(stats.tx_dma_map_error)},
37 {"tx_bytes", QLC_SIZEOF(stats.txbytes), QLC_OFF(stats.txbytes)},
38 {"tx_dropped", QLC_SIZEOF(stats.txdropped), QLC_OFF(stats.txdropped)},
39 {"rx dma map error", QLC_SIZEOF(stats.rx_dma_map_error),
40 QLC_OFF(stats.rx_dma_map_error)},
41 {"rx_pkts", QLC_SIZEOF(stats.rx_pkts), QLC_OFF(stats.rx_pkts)},
42 {"rx_bytes", QLC_SIZEOF(stats.rxbytes), QLC_OFF(stats.rxbytes)},
43 {"rx_dropped", QLC_SIZEOF(stats.rxdropped), QLC_OFF(stats.rxdropped)},
44 {"null rxbuf", QLC_SIZEOF(stats.null_rxbuf), QLC_OFF(stats.null_rxbuf)},
45 {"csummed", QLC_SIZEOF(stats.csummed), QLC_OFF(stats.csummed)},
46 {"lro_pkts", QLC_SIZEOF(stats.lro_pkts), QLC_OFF(stats.lro_pkts)},
47 {"lrobytes", QLC_SIZEOF(stats.lrobytes), QLC_OFF(stats.lrobytes)},
48 {"lso_frames", QLC_SIZEOF(stats.lso_frames), QLC_OFF(stats.lso_frames)},
49 {"encap_lso_frames", QLC_SIZEOF(stats.encap_lso_frames),
50 QLC_OFF(stats.encap_lso_frames)},
51 {"encap_tx_csummed", QLC_SIZEOF(stats.encap_tx_csummed),
52 QLC_OFF(stats.encap_tx_csummed)},
53 {"encap_rx_csummed", QLC_SIZEOF(stats.encap_rx_csummed),
54 QLC_OFF(stats.encap_rx_csummed)},
55 {"skb_alloc_failure", QLC_SIZEOF(stats.skb_alloc_failure),
56 QLC_OFF(stats.skb_alloc_failure)},
57 {"mac_filter_limit_overrun", QLC_SIZEOF(stats.mac_filter_limit_overrun),
58 QLC_OFF(stats.mac_filter_limit_overrun)},
59 {"spurious intr", QLC_SIZEOF(stats.spurious_intr),
60 QLC_OFF(stats.spurious_intr)},
61 {"mbx spurious intr", QLC_SIZEOF(stats.mbx_spurious_intr),
62 QLC_OFF(stats.mbx_spurious_intr)},
63 };
64
65 static const char qlcnic_device_gstrings_stats[][ETH_GSTRING_LEN] = {
66 "tx unicast frames",
67 "tx multicast frames",
68 "tx broadcast frames",
69 "tx dropped frames",
70 "tx errors",
71 "tx local frames",
72 "tx numbytes",
73 "rx unicast frames",
74 "rx multicast frames",
75 "rx broadcast frames",
76 "rx dropped frames",
77 "rx errors",
78 "rx local frames",
79 "rx numbytes",
80 };
81
82 static const char qlcnic_83xx_tx_stats_strings[][ETH_GSTRING_LEN] = {
83 "ctx_tx_bytes",
84 "ctx_tx_pkts",
85 "ctx_tx_errors",
86 "ctx_tx_dropped_pkts",
87 "ctx_tx_num_buffers",
88 };
89
90 static const char qlcnic_83xx_mac_stats_strings[][ETH_GSTRING_LEN] = {
91 "mac_tx_frames",
92 "mac_tx_bytes",
93 "mac_tx_mcast_pkts",
94 "mac_tx_bcast_pkts",
95 "mac_tx_pause_cnt",
96 "mac_tx_ctrl_pkt",
97 "mac_tx_lt_64b_pkts",
98 "mac_tx_lt_127b_pkts",
99 "mac_tx_lt_255b_pkts",
100 "mac_tx_lt_511b_pkts",
101 "mac_tx_lt_1023b_pkts",
102 "mac_tx_lt_1518b_pkts",
103 "mac_tx_gt_1518b_pkts",
104 "mac_rx_frames",
105 "mac_rx_bytes",
106 "mac_rx_mcast_pkts",
107 "mac_rx_bcast_pkts",
108 "mac_rx_pause_cnt",
109 "mac_rx_ctrl_pkt",
110 "mac_rx_lt_64b_pkts",
111 "mac_rx_lt_127b_pkts",
112 "mac_rx_lt_255b_pkts",
113 "mac_rx_lt_511b_pkts",
114 "mac_rx_lt_1023b_pkts",
115 "mac_rx_lt_1518b_pkts",
116 "mac_rx_gt_1518b_pkts",
117 "mac_rx_length_error",
118 "mac_rx_length_small",
119 "mac_rx_length_large",
120 "mac_rx_jabber",
121 "mac_rx_dropped",
122 "mac_crc_error",
123 "mac_align_error",
124 "eswitch_frames",
125 "eswitch_bytes",
126 "eswitch_multicast_frames",
127 "eswitch_broadcast_frames",
128 "eswitch_unicast_frames",
129 "eswitch_error_free_frames",
130 "eswitch_error_free_bytes",
131 };
132
133 #define QLCNIC_STATS_LEN ARRAY_SIZE(qlcnic_gstrings_stats)
134
135 static const char qlcnic_tx_queue_stats_strings[][ETH_GSTRING_LEN] = {
136 "xmit_on",
137 "xmit_off",
138 "xmit_called",
139 "xmit_finished",
140 "tx_bytes",
141 };
142
143 #define QLCNIC_TX_STATS_LEN ARRAY_SIZE(qlcnic_tx_queue_stats_strings)
144
145 static const char qlcnic_83xx_rx_stats_strings[][ETH_GSTRING_LEN] = {
146 "ctx_rx_bytes",
147 "ctx_rx_pkts",
148 "ctx_lro_pkt_cnt",
149 "ctx_ip_csum_error",
150 "ctx_rx_pkts_wo_ctx",
151 "ctx_rx_pkts_drop_wo_sds_on_card",
152 "ctx_rx_pkts_drop_wo_sds_on_host",
153 "ctx_rx_osized_pkts",
154 "ctx_rx_pkts_dropped_wo_rds",
155 "ctx_rx_unexpected_mcast_pkts",
156 "ctx_invalid_mac_address",
157 "ctx_rx_rds_ring_prim_attempted",
158 "ctx_rx_rds_ring_prim_success",
159 "ctx_num_lro_flows_added",
160 "ctx_num_lro_flows_removed",
161 "ctx_num_lro_flows_active",
162 "ctx_pkts_dropped_unknown",
163 };
164
165 static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
166 "Register_Test_on_offline",
167 "Link_Test_on_offline",
168 "Interrupt_Test_offline",
169 "Internal_Loopback_offline",
170 "External_Loopback_offline",
171 "EEPROM_Test_offline"
172 };
173
174 #define QLCNIC_TEST_LEN ARRAY_SIZE(qlcnic_gstrings_test)
175
qlcnic_82xx_statistics(struct qlcnic_adapter * adapter)176 static inline int qlcnic_82xx_statistics(struct qlcnic_adapter *adapter)
177 {
178 return ARRAY_SIZE(qlcnic_gstrings_stats) +
179 ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
180 QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings;
181 }
182
qlcnic_83xx_statistics(struct qlcnic_adapter * adapter)183 static inline int qlcnic_83xx_statistics(struct qlcnic_adapter *adapter)
184 {
185 return ARRAY_SIZE(qlcnic_gstrings_stats) +
186 ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) +
187 ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
188 ARRAY_SIZE(qlcnic_83xx_rx_stats_strings) +
189 QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings;
190 }
191
qlcnic_dev_statistics_len(struct qlcnic_adapter * adapter)192 static int qlcnic_dev_statistics_len(struct qlcnic_adapter *adapter)
193 {
194 int len = -1;
195
196 if (qlcnic_82xx_check(adapter)) {
197 len = qlcnic_82xx_statistics(adapter);
198 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
199 len += ARRAY_SIZE(qlcnic_device_gstrings_stats);
200 } else if (qlcnic_83xx_check(adapter)) {
201 len = qlcnic_83xx_statistics(adapter);
202 }
203
204 return len;
205 }
206
207 #define QLCNIC_TX_INTR_NOT_CONFIGURED 0X78563412
208
209 #define QLCNIC_MAX_EEPROM_LEN 1024
210
211 static const u32 diag_registers[] = {
212 QLCNIC_CMDPEG_STATE,
213 QLCNIC_RCVPEG_STATE,
214 QLCNIC_FW_CAPABILITIES,
215 QLCNIC_CRB_DRV_ACTIVE,
216 QLCNIC_CRB_DEV_STATE,
217 QLCNIC_CRB_DRV_STATE,
218 QLCNIC_CRB_DRV_SCRATCH,
219 QLCNIC_CRB_DEV_PARTITION_INFO,
220 QLCNIC_CRB_DRV_IDC_VER,
221 QLCNIC_PEG_ALIVE_COUNTER,
222 QLCNIC_PEG_HALT_STATUS1,
223 QLCNIC_PEG_HALT_STATUS2,
224 -1
225 };
226
227
228 static const u32 ext_diag_registers[] = {
229 CRB_XG_STATE_P3P,
230 ISR_INT_STATE_REG,
231 QLCNIC_CRB_PEG_NET_0+0x3c,
232 QLCNIC_CRB_PEG_NET_1+0x3c,
233 QLCNIC_CRB_PEG_NET_2+0x3c,
234 QLCNIC_CRB_PEG_NET_4+0x3c,
235 -1
236 };
237
238 #define QLCNIC_MGMT_API_VERSION 3
239 #define QLCNIC_ETHTOOL_REGS_VER 4
240
qlcnic_get_ring_regs_len(struct qlcnic_adapter * adapter)241 static inline int qlcnic_get_ring_regs_len(struct qlcnic_adapter *adapter)
242 {
243 int ring_regs_cnt = (adapter->drv_tx_rings * 5) +
244 (adapter->max_rds_rings * 2) +
245 (adapter->drv_sds_rings * 3) + 5;
246 return ring_regs_cnt * sizeof(u32);
247 }
248
qlcnic_get_regs_len(struct net_device * dev)249 static int qlcnic_get_regs_len(struct net_device *dev)
250 {
251 struct qlcnic_adapter *adapter = netdev_priv(dev);
252 u32 len;
253
254 if (qlcnic_83xx_check(adapter))
255 len = qlcnic_83xx_get_regs_len(adapter);
256 else
257 len = sizeof(ext_diag_registers) + sizeof(diag_registers);
258
259 len += ((QLCNIC_DEV_INFO_SIZE + 2) * sizeof(u32));
260 len += qlcnic_get_ring_regs_len(adapter);
261 return len;
262 }
263
qlcnic_get_eeprom_len(struct net_device * dev)264 static int qlcnic_get_eeprom_len(struct net_device *dev)
265 {
266 return QLCNIC_FLASH_TOTAL_SIZE;
267 }
268
269 static void
qlcnic_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * drvinfo)270 qlcnic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
271 {
272 struct qlcnic_adapter *adapter = netdev_priv(dev);
273 u32 fw_major, fw_minor, fw_build;
274 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
275 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
276 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
277 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
278 "%d.%d.%d", fw_major, fw_minor, fw_build);
279
280 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
281 sizeof(drvinfo->bus_info));
282 strscpy(drvinfo->driver, qlcnic_driver_name, sizeof(drvinfo->driver));
283 strscpy(drvinfo->version, QLCNIC_LINUX_VERSIONID,
284 sizeof(drvinfo->version));
285 }
286
qlcnic_82xx_get_link_ksettings(struct qlcnic_adapter * adapter,struct ethtool_link_ksettings * ecmd)287 static int qlcnic_82xx_get_link_ksettings(struct qlcnic_adapter *adapter,
288 struct ethtool_link_ksettings *ecmd)
289 {
290 struct qlcnic_hardware_context *ahw = adapter->ahw;
291 u32 speed, reg;
292 int check_sfp_module = 0, err = 0;
293 u16 pcifn = ahw->pci_func;
294 u32 supported, advertising;
295
296 /* read which mode */
297 if (adapter->ahw->port_type == QLCNIC_GBE) {
298 supported = (SUPPORTED_10baseT_Half |
299 SUPPORTED_10baseT_Full |
300 SUPPORTED_100baseT_Half |
301 SUPPORTED_100baseT_Full |
302 SUPPORTED_1000baseT_Half |
303 SUPPORTED_1000baseT_Full);
304
305 advertising = (ADVERTISED_100baseT_Half |
306 ADVERTISED_100baseT_Full |
307 ADVERTISED_1000baseT_Half |
308 ADVERTISED_1000baseT_Full);
309
310 ecmd->base.speed = adapter->ahw->link_speed;
311 ecmd->base.duplex = adapter->ahw->link_duplex;
312 ecmd->base.autoneg = adapter->ahw->link_autoneg;
313
314 } else if (adapter->ahw->port_type == QLCNIC_XGBE) {
315 u32 val = 0;
316 val = QLCRD32(adapter, QLCNIC_PORT_MODE_ADDR, &err);
317
318 if (val == QLCNIC_PORT_MODE_802_3_AP) {
319 supported = SUPPORTED_1000baseT_Full;
320 advertising = ADVERTISED_1000baseT_Full;
321 } else {
322 supported = SUPPORTED_10000baseT_Full;
323 advertising = ADVERTISED_10000baseT_Full;
324 }
325
326 if (netif_running(adapter->netdev) && ahw->has_link_events) {
327 if (ahw->linkup) {
328 reg = QLCRD32(adapter,
329 P3P_LINK_SPEED_REG(pcifn), &err);
330 speed = P3P_LINK_SPEED_VAL(pcifn, reg);
331 ahw->link_speed = speed * P3P_LINK_SPEED_MHZ;
332 }
333
334 ecmd->base.speed = ahw->link_speed;
335 ecmd->base.autoneg = ahw->link_autoneg;
336 ecmd->base.duplex = ahw->link_duplex;
337 goto skip;
338 }
339
340 ecmd->base.speed = SPEED_UNKNOWN;
341 ecmd->base.duplex = DUPLEX_UNKNOWN;
342 ecmd->base.autoneg = AUTONEG_DISABLE;
343 } else
344 return -EIO;
345
346 skip:
347 ecmd->base.phy_address = adapter->ahw->physical_port;
348
349 switch (adapter->ahw->board_type) {
350 case QLCNIC_BRDTYPE_P3P_REF_QG:
351 case QLCNIC_BRDTYPE_P3P_4_GB:
352 case QLCNIC_BRDTYPE_P3P_4_GB_MM:
353 supported |= SUPPORTED_Autoneg;
354 advertising |= ADVERTISED_Autoneg;
355 fallthrough;
356 case QLCNIC_BRDTYPE_P3P_10G_CX4:
357 case QLCNIC_BRDTYPE_P3P_10G_CX4_LP:
358 case QLCNIC_BRDTYPE_P3P_10000_BASE_T:
359 supported |= SUPPORTED_TP;
360 advertising |= ADVERTISED_TP;
361 ecmd->base.port = PORT_TP;
362 ecmd->base.autoneg = adapter->ahw->link_autoneg;
363 break;
364 case QLCNIC_BRDTYPE_P3P_IMEZ:
365 case QLCNIC_BRDTYPE_P3P_XG_LOM:
366 case QLCNIC_BRDTYPE_P3P_HMEZ:
367 supported |= SUPPORTED_MII;
368 advertising |= ADVERTISED_MII;
369 ecmd->base.port = PORT_MII;
370 ecmd->base.autoneg = AUTONEG_DISABLE;
371 break;
372 case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS:
373 case QLCNIC_BRDTYPE_P3P_10G_SFP_CT:
374 case QLCNIC_BRDTYPE_P3P_10G_SFP_QT:
375 advertising |= ADVERTISED_TP;
376 supported |= SUPPORTED_TP;
377 check_sfp_module = netif_running(adapter->netdev) &&
378 ahw->has_link_events;
379 fallthrough;
380 case QLCNIC_BRDTYPE_P3P_10G_XFP:
381 supported |= SUPPORTED_FIBRE;
382 advertising |= ADVERTISED_FIBRE;
383 ecmd->base.port = PORT_FIBRE;
384 ecmd->base.autoneg = AUTONEG_DISABLE;
385 break;
386 case QLCNIC_BRDTYPE_P3P_10G_TP:
387 if (adapter->ahw->port_type == QLCNIC_XGBE) {
388 ecmd->base.autoneg = AUTONEG_DISABLE;
389 supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
390 advertising |=
391 (ADVERTISED_FIBRE | ADVERTISED_TP);
392 ecmd->base.port = PORT_FIBRE;
393 check_sfp_module = netif_running(adapter->netdev) &&
394 ahw->has_link_events;
395 } else {
396 ecmd->base.autoneg = AUTONEG_ENABLE;
397 supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
398 advertising |=
399 (ADVERTISED_TP | ADVERTISED_Autoneg);
400 ecmd->base.port = PORT_TP;
401 }
402 break;
403 default:
404 dev_err(&adapter->pdev->dev, "Unsupported board model %d\n",
405 adapter->ahw->board_type);
406 return -EIO;
407 }
408
409 if (check_sfp_module) {
410 switch (adapter->ahw->module_type) {
411 case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
412 case LINKEVENT_MODULE_OPTICAL_SRLR:
413 case LINKEVENT_MODULE_OPTICAL_LRM:
414 case LINKEVENT_MODULE_OPTICAL_SFP_1G:
415 ecmd->base.port = PORT_FIBRE;
416 break;
417 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
418 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
419 case LINKEVENT_MODULE_TWINAX:
420 ecmd->base.port = PORT_TP;
421 break;
422 default:
423 ecmd->base.port = PORT_OTHER;
424 }
425 }
426
427 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported,
428 supported);
429 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising,
430 advertising);
431
432 return 0;
433 }
434
qlcnic_get_link_ksettings(struct net_device * dev,struct ethtool_link_ksettings * ecmd)435 static int qlcnic_get_link_ksettings(struct net_device *dev,
436 struct ethtool_link_ksettings *ecmd)
437 {
438 struct qlcnic_adapter *adapter = netdev_priv(dev);
439
440 if (qlcnic_82xx_check(adapter))
441 return qlcnic_82xx_get_link_ksettings(adapter, ecmd);
442 else if (qlcnic_83xx_check(adapter))
443 return qlcnic_83xx_get_link_ksettings(adapter, ecmd);
444
445 return -EIO;
446 }
447
448
qlcnic_set_port_config(struct qlcnic_adapter * adapter,const struct ethtool_link_ksettings * ecmd)449 static int qlcnic_set_port_config(struct qlcnic_adapter *adapter,
450 const struct ethtool_link_ksettings *ecmd)
451 {
452 u32 ret = 0, config = 0;
453 /* read which mode */
454 if (ecmd->base.duplex)
455 config |= 0x1;
456
457 if (ecmd->base.autoneg)
458 config |= 0x2;
459
460 switch (ecmd->base.speed) {
461 case SPEED_10:
462 config |= (0 << 8);
463 break;
464 case SPEED_100:
465 config |= (1 << 8);
466 break;
467 case SPEED_1000:
468 config |= (10 << 8);
469 break;
470 default:
471 return -EIO;
472 }
473
474 ret = qlcnic_fw_cmd_set_port(adapter, config);
475
476 if (ret == QLCNIC_RCODE_NOT_SUPPORTED)
477 return -EOPNOTSUPP;
478 else if (ret)
479 return -EIO;
480 return ret;
481 }
482
qlcnic_set_link_ksettings(struct net_device * dev,const struct ethtool_link_ksettings * ecmd)483 static int qlcnic_set_link_ksettings(struct net_device *dev,
484 const struct ethtool_link_ksettings *ecmd)
485 {
486 u32 ret = 0;
487 struct qlcnic_adapter *adapter = netdev_priv(dev);
488
489 if (qlcnic_83xx_check(adapter))
490 qlcnic_83xx_get_port_type(adapter);
491
492 if (adapter->ahw->port_type != QLCNIC_GBE)
493 return -EOPNOTSUPP;
494
495 if (qlcnic_83xx_check(adapter))
496 ret = qlcnic_83xx_set_link_ksettings(adapter, ecmd);
497 else
498 ret = qlcnic_set_port_config(adapter, ecmd);
499
500 if (!ret)
501 return ret;
502
503 adapter->ahw->link_speed = ecmd->base.speed;
504 adapter->ahw->link_duplex = ecmd->base.duplex;
505 adapter->ahw->link_autoneg = ecmd->base.autoneg;
506
507 if (!netif_running(dev))
508 return 0;
509
510 dev->netdev_ops->ndo_stop(dev);
511 return dev->netdev_ops->ndo_open(dev);
512 }
513
qlcnic_82xx_get_registers(struct qlcnic_adapter * adapter,u32 * regs_buff)514 static int qlcnic_82xx_get_registers(struct qlcnic_adapter *adapter,
515 u32 *regs_buff)
516 {
517 int i, j = 0, err = 0;
518
519 for (i = QLCNIC_DEV_INFO_SIZE + 1; diag_registers[j] != -1; j++, i++)
520 regs_buff[i] = QLC_SHARED_REG_RD32(adapter, diag_registers[j]);
521 j = 0;
522 while (ext_diag_registers[j] != -1)
523 regs_buff[i++] = QLCRD32(adapter, ext_diag_registers[j++],
524 &err);
525 return i;
526 }
527
528 static void
qlcnic_get_regs(struct net_device * dev,struct ethtool_regs * regs,void * p)529 qlcnic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
530 {
531 struct qlcnic_adapter *adapter = netdev_priv(dev);
532 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
533 struct qlcnic_host_sds_ring *sds_ring;
534 struct qlcnic_host_rds_ring *rds_rings;
535 struct qlcnic_host_tx_ring *tx_ring;
536 u32 *regs_buff = p;
537 int ring, i = 0;
538
539 memset(p, 0, qlcnic_get_regs_len(dev));
540
541 regs->version = (QLCNIC_ETHTOOL_REGS_VER << 24) |
542 (adapter->ahw->revision_id << 16) | (adapter->pdev)->device;
543
544 regs_buff[0] = (0xcafe0000 | (QLCNIC_DEV_INFO_SIZE & 0xffff));
545 regs_buff[1] = QLCNIC_MGMT_API_VERSION;
546
547 if (adapter->ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY)
548 regs_buff[2] = adapter->ahw->max_vnic_func;
549
550 if (qlcnic_82xx_check(adapter))
551 i = qlcnic_82xx_get_registers(adapter, regs_buff);
552 else
553 i = qlcnic_83xx_get_registers(adapter, regs_buff);
554
555 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
556 return;
557
558 /* Marker btw regs and TX ring count */
559 regs_buff[i++] = 0xFFEFCDAB;
560
561 regs_buff[i++] = adapter->drv_tx_rings; /* No. of TX ring */
562 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
563 tx_ring = &adapter->tx_ring[ring];
564 regs_buff[i++] = le32_to_cpu(*(tx_ring->hw_consumer));
565 regs_buff[i++] = tx_ring->sw_consumer;
566 regs_buff[i++] = readl(tx_ring->crb_cmd_producer);
567 regs_buff[i++] = tx_ring->producer;
568 if (tx_ring->crb_intr_mask)
569 regs_buff[i++] = readl(tx_ring->crb_intr_mask);
570 else
571 regs_buff[i++] = QLCNIC_TX_INTR_NOT_CONFIGURED;
572 }
573
574 regs_buff[i++] = adapter->max_rds_rings; /* No. of RX ring */
575 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
576 rds_rings = &recv_ctx->rds_rings[ring];
577 regs_buff[i++] = readl(rds_rings->crb_rcv_producer);
578 regs_buff[i++] = rds_rings->producer;
579 }
580
581 regs_buff[i++] = adapter->drv_sds_rings; /* No. of SDS ring */
582 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
583 sds_ring = &(recv_ctx->sds_rings[ring]);
584 regs_buff[i++] = readl(sds_ring->crb_sts_consumer);
585 regs_buff[i++] = sds_ring->consumer;
586 regs_buff[i++] = readl(sds_ring->crb_intr_mask);
587 }
588 }
589
qlcnic_test_link(struct net_device * dev)590 static u32 qlcnic_test_link(struct net_device *dev)
591 {
592 struct qlcnic_adapter *adapter = netdev_priv(dev);
593 int err = 0;
594 u32 val;
595
596 if (qlcnic_83xx_check(adapter)) {
597 val = qlcnic_83xx_test_link(adapter);
598 return (val & 1) ? 0 : 1;
599 }
600 val = QLCRD32(adapter, CRB_XG_STATE_P3P, &err);
601 if (err == -EIO)
602 return err;
603 val = XG_LINK_STATE_P3P(adapter->ahw->pci_func, val);
604 return (val == XG_LINK_UP_P3P) ? 0 : 1;
605 }
606
607 static int
qlcnic_get_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * bytes)608 qlcnic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
609 u8 *bytes)
610 {
611 struct qlcnic_adapter *adapter = netdev_priv(dev);
612 int offset;
613 int ret = -1;
614
615 if (qlcnic_83xx_check(adapter))
616 return 0;
617 if (eeprom->len == 0)
618 return -EINVAL;
619
620 eeprom->magic = (adapter->pdev)->vendor |
621 ((adapter->pdev)->device << 16);
622 offset = eeprom->offset;
623
624 if (qlcnic_82xx_check(adapter))
625 ret = qlcnic_rom_fast_read_words(adapter, offset, bytes,
626 eeprom->len);
627 if (ret < 0)
628 return ret;
629
630 return 0;
631 }
632
633 static void
qlcnic_get_ringparam(struct net_device * dev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)634 qlcnic_get_ringparam(struct net_device *dev,
635 struct ethtool_ringparam *ring,
636 struct kernel_ethtool_ringparam *kernel_ring,
637 struct netlink_ext_ack *extack)
638 {
639 struct qlcnic_adapter *adapter = netdev_priv(dev);
640
641 ring->rx_pending = adapter->num_rxd;
642 ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
643 ring->tx_pending = adapter->num_txd;
644
645 ring->rx_max_pending = adapter->max_rxd;
646 ring->rx_jumbo_max_pending = adapter->max_jumbo_rxd;
647 ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
648 }
649
650 static u32
qlcnic_validate_ringparam(u32 val,u32 min,u32 max,char * r_name)651 qlcnic_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
652 {
653 u32 num_desc;
654 num_desc = max(val, min);
655 num_desc = min(num_desc, max);
656 num_desc = roundup_pow_of_two(num_desc);
657
658 if (val != num_desc) {
659 printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
660 qlcnic_driver_name, r_name, num_desc, val);
661 }
662
663 return num_desc;
664 }
665
666 static int
qlcnic_set_ringparam(struct net_device * dev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)667 qlcnic_set_ringparam(struct net_device *dev,
668 struct ethtool_ringparam *ring,
669 struct kernel_ethtool_ringparam *kernel_ring,
670 struct netlink_ext_ack *extack)
671 {
672 struct qlcnic_adapter *adapter = netdev_priv(dev);
673 u16 num_rxd, num_jumbo_rxd, num_txd;
674
675 if (ring->rx_mini_pending)
676 return -EOPNOTSUPP;
677
678 num_rxd = qlcnic_validate_ringparam(ring->rx_pending,
679 MIN_RCV_DESCRIPTORS, adapter->max_rxd, "rx");
680
681 num_jumbo_rxd = qlcnic_validate_ringparam(ring->rx_jumbo_pending,
682 MIN_JUMBO_DESCRIPTORS, adapter->max_jumbo_rxd,
683 "rx jumbo");
684
685 num_txd = qlcnic_validate_ringparam(ring->tx_pending,
686 MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
687
688 if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
689 num_jumbo_rxd == adapter->num_jumbo_rxd)
690 return 0;
691
692 adapter->num_rxd = num_rxd;
693 adapter->num_jumbo_rxd = num_jumbo_rxd;
694 adapter->num_txd = num_txd;
695
696 return qlcnic_reset_context(adapter);
697 }
698
qlcnic_validate_ring_count(struct qlcnic_adapter * adapter,u8 rx_ring,u8 tx_ring)699 static int qlcnic_validate_ring_count(struct qlcnic_adapter *adapter,
700 u8 rx_ring, u8 tx_ring)
701 {
702 if (rx_ring == 0 || tx_ring == 0)
703 return -EINVAL;
704
705 if (rx_ring != 0) {
706 if (rx_ring > adapter->max_sds_rings) {
707 netdev_err(adapter->netdev,
708 "Invalid ring count, SDS ring count %d should not be greater than max %d driver sds rings.\n",
709 rx_ring, adapter->max_sds_rings);
710 return -EINVAL;
711 }
712 }
713
714 if (tx_ring != 0) {
715 if (tx_ring > adapter->max_tx_rings) {
716 netdev_err(adapter->netdev,
717 "Invalid ring count, Tx ring count %d should not be greater than max %d driver Tx rings.\n",
718 tx_ring, adapter->max_tx_rings);
719 return -EINVAL;
720 }
721 }
722
723 return 0;
724 }
725
qlcnic_get_channels(struct net_device * dev,struct ethtool_channels * channel)726 static void qlcnic_get_channels(struct net_device *dev,
727 struct ethtool_channels *channel)
728 {
729 struct qlcnic_adapter *adapter = netdev_priv(dev);
730
731 channel->max_rx = adapter->max_sds_rings;
732 channel->max_tx = adapter->max_tx_rings;
733 channel->rx_count = adapter->drv_sds_rings;
734 channel->tx_count = adapter->drv_tx_rings;
735 }
736
qlcnic_set_channels(struct net_device * dev,struct ethtool_channels * channel)737 static int qlcnic_set_channels(struct net_device *dev,
738 struct ethtool_channels *channel)
739 {
740 struct qlcnic_adapter *adapter = netdev_priv(dev);
741 int err;
742
743 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
744 netdev_err(dev, "No RSS/TSS support in non MSI-X mode\n");
745 return -EINVAL;
746 }
747
748 if (channel->other_count || channel->combined_count)
749 return -EINVAL;
750
751 err = qlcnic_validate_ring_count(adapter, channel->rx_count,
752 channel->tx_count);
753 if (err)
754 return err;
755
756 if (adapter->drv_sds_rings != channel->rx_count) {
757 err = qlcnic_validate_rings(adapter, channel->rx_count,
758 QLCNIC_RX_QUEUE);
759 if (err) {
760 netdev_err(dev, "Unable to configure %u SDS rings\n",
761 channel->rx_count);
762 return err;
763 }
764 adapter->drv_rss_rings = channel->rx_count;
765 }
766
767 if (adapter->drv_tx_rings != channel->tx_count) {
768 err = qlcnic_validate_rings(adapter, channel->tx_count,
769 QLCNIC_TX_QUEUE);
770 if (err) {
771 netdev_err(dev, "Unable to configure %u Tx rings\n",
772 channel->tx_count);
773 return err;
774 }
775 adapter->drv_tss_rings = channel->tx_count;
776 }
777
778 adapter->flags |= QLCNIC_TSS_RSS;
779
780 err = qlcnic_setup_rings(adapter);
781 netdev_info(dev, "Allocated %d SDS rings and %d Tx rings\n",
782 adapter->drv_sds_rings, adapter->drv_tx_rings);
783
784 return err;
785 }
786
787 static void
qlcnic_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)788 qlcnic_get_pauseparam(struct net_device *netdev,
789 struct ethtool_pauseparam *pause)
790 {
791 struct qlcnic_adapter *adapter = netdev_priv(netdev);
792 int port = adapter->ahw->physical_port;
793 int err = 0;
794 __u32 val;
795
796 if (qlcnic_83xx_check(adapter)) {
797 qlcnic_83xx_get_pauseparam(adapter, pause);
798 return;
799 }
800 if (adapter->ahw->port_type == QLCNIC_GBE) {
801 if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS))
802 return;
803 /* get flow control settings */
804 val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err);
805 if (err == -EIO)
806 return;
807 pause->rx_pause = qlcnic_gb_get_rx_flowctl(val);
808 val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err);
809 if (err == -EIO)
810 return;
811 switch (port) {
812 case 0:
813 pause->tx_pause = !(qlcnic_gb_get_gb0_mask(val));
814 break;
815 case 1:
816 pause->tx_pause = !(qlcnic_gb_get_gb1_mask(val));
817 break;
818 case 2:
819 pause->tx_pause = !(qlcnic_gb_get_gb2_mask(val));
820 break;
821 case 3:
822 default:
823 pause->tx_pause = !(qlcnic_gb_get_gb3_mask(val));
824 break;
825 }
826 } else if (adapter->ahw->port_type == QLCNIC_XGBE) {
827 if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS))
828 return;
829 pause->rx_pause = 1;
830 val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err);
831 if (err == -EIO)
832 return;
833 if (port == 0)
834 pause->tx_pause = !(qlcnic_xg_get_xg0_mask(val));
835 else
836 pause->tx_pause = !(qlcnic_xg_get_xg1_mask(val));
837 } else {
838 dev_err(&netdev->dev, "Unknown board type: %x\n",
839 adapter->ahw->port_type);
840 }
841 }
842
843 static int
qlcnic_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)844 qlcnic_set_pauseparam(struct net_device *netdev,
845 struct ethtool_pauseparam *pause)
846 {
847 struct qlcnic_adapter *adapter = netdev_priv(netdev);
848 int port = adapter->ahw->physical_port;
849 int err = 0;
850 __u32 val;
851
852 if (qlcnic_83xx_check(adapter))
853 return qlcnic_83xx_set_pauseparam(adapter, pause);
854
855 /* read mode */
856 if (adapter->ahw->port_type == QLCNIC_GBE) {
857 if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS))
858 return -EIO;
859 /* set flow control */
860 val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err);
861 if (err == -EIO)
862 return err;
863
864 if (pause->rx_pause)
865 qlcnic_gb_rx_flowctl(val);
866 else
867 qlcnic_gb_unset_rx_flowctl(val);
868
869 QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port),
870 val);
871 QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), val);
872 /* set autoneg */
873 val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err);
874 if (err == -EIO)
875 return err;
876 switch (port) {
877 case 0:
878 if (pause->tx_pause)
879 qlcnic_gb_unset_gb0_mask(val);
880 else
881 qlcnic_gb_set_gb0_mask(val);
882 break;
883 case 1:
884 if (pause->tx_pause)
885 qlcnic_gb_unset_gb1_mask(val);
886 else
887 qlcnic_gb_set_gb1_mask(val);
888 break;
889 case 2:
890 if (pause->tx_pause)
891 qlcnic_gb_unset_gb2_mask(val);
892 else
893 qlcnic_gb_set_gb2_mask(val);
894 break;
895 case 3:
896 default:
897 if (pause->tx_pause)
898 qlcnic_gb_unset_gb3_mask(val);
899 else
900 qlcnic_gb_set_gb3_mask(val);
901 break;
902 }
903 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, val);
904 } else if (adapter->ahw->port_type == QLCNIC_XGBE) {
905 if (!pause->rx_pause || pause->autoneg)
906 return -EOPNOTSUPP;
907
908 if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS))
909 return -EIO;
910
911 val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err);
912 if (err == -EIO)
913 return err;
914 if (port == 0) {
915 if (pause->tx_pause)
916 qlcnic_xg_unset_xg0_mask(val);
917 else
918 qlcnic_xg_set_xg0_mask(val);
919 } else {
920 if (pause->tx_pause)
921 qlcnic_xg_unset_xg1_mask(val);
922 else
923 qlcnic_xg_set_xg1_mask(val);
924 }
925 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, val);
926 } else {
927 dev_err(&netdev->dev, "Unknown board type: %x\n",
928 adapter->ahw->port_type);
929 }
930 return 0;
931 }
932
qlcnic_reg_test(struct net_device * dev)933 static int qlcnic_reg_test(struct net_device *dev)
934 {
935 struct qlcnic_adapter *adapter = netdev_priv(dev);
936 u32 data_read;
937 int err = 0;
938
939 if (qlcnic_83xx_check(adapter))
940 return qlcnic_83xx_reg_test(adapter);
941
942 data_read = QLCRD32(adapter, QLCNIC_PCIX_PH_REG(0), &err);
943 if (err == -EIO)
944 return err;
945 if ((data_read & 0xffff) != adapter->pdev->vendor)
946 return 1;
947
948 return 0;
949 }
950
qlcnic_eeprom_test(struct net_device * dev)951 static int qlcnic_eeprom_test(struct net_device *dev)
952 {
953 struct qlcnic_adapter *adapter = netdev_priv(dev);
954
955 if (qlcnic_82xx_check(adapter))
956 return 0;
957
958 return qlcnic_83xx_flash_test(adapter);
959 }
960
qlcnic_get_sset_count(struct net_device * dev,int sset)961 static int qlcnic_get_sset_count(struct net_device *dev, int sset)
962 {
963
964 struct qlcnic_adapter *adapter = netdev_priv(dev);
965 switch (sset) {
966 case ETH_SS_TEST:
967 return QLCNIC_TEST_LEN;
968 case ETH_SS_STATS:
969 return qlcnic_dev_statistics_len(adapter);
970 default:
971 return -EOPNOTSUPP;
972 }
973 }
974
qlcnic_irq_test(struct net_device * netdev)975 static int qlcnic_irq_test(struct net_device *netdev)
976 {
977 struct qlcnic_adapter *adapter = netdev_priv(netdev);
978 struct qlcnic_hardware_context *ahw = adapter->ahw;
979 struct qlcnic_cmd_args cmd;
980 int ret, drv_sds_rings = adapter->drv_sds_rings;
981 int drv_tx_rings = adapter->drv_tx_rings;
982
983 if (qlcnic_83xx_check(adapter))
984 return qlcnic_83xx_interrupt_test(netdev);
985
986 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
987 return -EIO;
988
989 ret = qlcnic_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST);
990 if (ret)
991 goto clear_diag_irq;
992
993 ahw->diag_cnt = 0;
994 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
995 if (ret)
996 goto free_diag_res;
997
998 cmd.req.arg[1] = ahw->pci_func;
999 ret = qlcnic_issue_cmd(adapter, &cmd);
1000 if (ret)
1001 goto done;
1002
1003 usleep_range(1000, 12000);
1004 ret = !ahw->diag_cnt;
1005
1006 done:
1007 qlcnic_free_mbx_args(&cmd);
1008
1009 free_diag_res:
1010 qlcnic_diag_free_res(netdev, drv_sds_rings);
1011
1012 clear_diag_irq:
1013 adapter->drv_sds_rings = drv_sds_rings;
1014 adapter->drv_tx_rings = drv_tx_rings;
1015 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1016
1017 return ret;
1018 }
1019
1020 #define QLCNIC_ILB_PKT_SIZE 64
1021 #define QLCNIC_NUM_ILB_PKT 16
1022 #define QLCNIC_ILB_MAX_RCV_LOOP 10
1023 #define QLCNIC_LB_PKT_POLL_DELAY_MSEC 1
1024 #define QLCNIC_LB_PKT_POLL_COUNT 20
1025
qlcnic_create_loopback_buff(unsigned char * data,u8 mac[])1026 static void qlcnic_create_loopback_buff(unsigned char *data, u8 mac[])
1027 {
1028 static const unsigned char random_data[] = {0xa8, 0x06, 0x45, 0x00};
1029
1030 memset(data, 0x4e, QLCNIC_ILB_PKT_SIZE);
1031
1032 memcpy(data, mac, ETH_ALEN);
1033 memcpy(data + ETH_ALEN, mac, ETH_ALEN);
1034
1035 memcpy(data + 2 * ETH_ALEN, random_data, sizeof(random_data));
1036 }
1037
qlcnic_check_loopback_buff(unsigned char * data,u8 mac[])1038 int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[])
1039 {
1040 unsigned char buff[QLCNIC_ILB_PKT_SIZE];
1041 qlcnic_create_loopback_buff(buff, mac);
1042 return memcmp(data, buff, QLCNIC_ILB_PKT_SIZE);
1043 }
1044
qlcnic_do_lb_test(struct qlcnic_adapter * adapter,u8 mode)1045 int qlcnic_do_lb_test(struct qlcnic_adapter *adapter, u8 mode)
1046 {
1047 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1048 struct qlcnic_host_sds_ring *sds_ring = &recv_ctx->sds_rings[0];
1049 struct sk_buff *skb;
1050 int i, loop, cnt = 0;
1051
1052 for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) {
1053 skb = netdev_alloc_skb(adapter->netdev, QLCNIC_ILB_PKT_SIZE);
1054 if (!skb)
1055 goto error;
1056 qlcnic_create_loopback_buff(skb->data, adapter->mac_addr);
1057 skb_put(skb, QLCNIC_ILB_PKT_SIZE);
1058 adapter->ahw->diag_cnt = 0;
1059 qlcnic_xmit_frame(skb, adapter->netdev);
1060 loop = 0;
1061
1062 do {
1063 msleep(QLCNIC_LB_PKT_POLL_DELAY_MSEC);
1064 qlcnic_process_rcv_ring_diag(sds_ring);
1065 if (loop++ > QLCNIC_LB_PKT_POLL_COUNT)
1066 break;
1067 } while (!adapter->ahw->diag_cnt);
1068
1069 dev_kfree_skb_any(skb);
1070
1071 if (!adapter->ahw->diag_cnt)
1072 dev_warn(&adapter->pdev->dev,
1073 "LB Test: packet #%d was not received\n",
1074 i + 1);
1075 else
1076 cnt++;
1077 }
1078 if (cnt != i) {
1079 error:
1080 dev_err(&adapter->pdev->dev,
1081 "LB Test: failed, TX[%d], RX[%d]\n", i, cnt);
1082 if (mode != QLCNIC_ILB_MODE)
1083 dev_warn(&adapter->pdev->dev,
1084 "WARNING: Please check loopback cable\n");
1085 return -1;
1086 }
1087 return 0;
1088 }
1089
qlcnic_loopback_test(struct net_device * netdev,u8 mode)1090 static int qlcnic_loopback_test(struct net_device *netdev, u8 mode)
1091 {
1092 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1093 int drv_tx_rings = adapter->drv_tx_rings;
1094 int drv_sds_rings = adapter->drv_sds_rings;
1095 struct qlcnic_host_sds_ring *sds_ring;
1096 struct qlcnic_hardware_context *ahw = adapter->ahw;
1097 int loop = 0;
1098 int ret;
1099
1100 if (qlcnic_83xx_check(adapter))
1101 return qlcnic_83xx_loopback_test(netdev, mode);
1102
1103 if (!(ahw->capabilities & QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK)) {
1104 dev_info(&adapter->pdev->dev,
1105 "Firmware do not support loopback test\n");
1106 return -EOPNOTSUPP;
1107 }
1108
1109 dev_warn(&adapter->pdev->dev, "%s loopback test in progress\n",
1110 mode == QLCNIC_ILB_MODE ? "internal" : "external");
1111 if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1112 dev_warn(&adapter->pdev->dev,
1113 "Loopback test not supported in nonprivileged mode\n");
1114 return 0;
1115 }
1116
1117 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1118 return -EBUSY;
1119
1120 ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST);
1121 if (ret)
1122 goto clear_it;
1123
1124 sds_ring = &adapter->recv_ctx->sds_rings[0];
1125 ret = qlcnic_set_lb_mode(adapter, mode);
1126 if (ret)
1127 goto free_res;
1128
1129 ahw->diag_cnt = 0;
1130 do {
1131 msleep(500);
1132 qlcnic_process_rcv_ring_diag(sds_ring);
1133 if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
1134 netdev_info(netdev,
1135 "Firmware didn't sent link up event to loopback request\n");
1136 ret = -ETIMEDOUT;
1137 goto free_res;
1138 } else if (adapter->ahw->diag_cnt) {
1139 ret = adapter->ahw->diag_cnt;
1140 goto free_res;
1141 }
1142 } while (!QLCNIC_IS_LB_CONFIGURED(ahw->loopback_state));
1143
1144 ret = qlcnic_do_lb_test(adapter, mode);
1145
1146 qlcnic_clear_lb_mode(adapter, mode);
1147
1148 free_res:
1149 qlcnic_diag_free_res(netdev, drv_sds_rings);
1150
1151 clear_it:
1152 adapter->drv_sds_rings = drv_sds_rings;
1153 adapter->drv_tx_rings = drv_tx_rings;
1154 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1155 return ret;
1156 }
1157
1158 static void
qlcnic_diag_test(struct net_device * dev,struct ethtool_test * eth_test,u64 * data)1159 qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
1160 u64 *data)
1161 {
1162 memset(data, 0, sizeof(u64) * QLCNIC_TEST_LEN);
1163
1164 data[0] = qlcnic_reg_test(dev);
1165 if (data[0])
1166 eth_test->flags |= ETH_TEST_FL_FAILED;
1167
1168 data[1] = (u64) qlcnic_test_link(dev);
1169 if (data[1])
1170 eth_test->flags |= ETH_TEST_FL_FAILED;
1171
1172 if (eth_test->flags & ETH_TEST_FL_OFFLINE) {
1173 data[2] = qlcnic_irq_test(dev);
1174 if (data[2])
1175 eth_test->flags |= ETH_TEST_FL_FAILED;
1176
1177 data[3] = qlcnic_loopback_test(dev, QLCNIC_ILB_MODE);
1178 if (data[3])
1179 eth_test->flags |= ETH_TEST_FL_FAILED;
1180
1181 if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) {
1182 data[4] = qlcnic_loopback_test(dev, QLCNIC_ELB_MODE);
1183 if (data[4])
1184 eth_test->flags |= ETH_TEST_FL_FAILED;
1185 eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
1186 }
1187
1188 data[5] = qlcnic_eeprom_test(dev);
1189 if (data[5])
1190 eth_test->flags |= ETH_TEST_FL_FAILED;
1191 }
1192 }
1193
1194 static void
qlcnic_get_strings(struct net_device * dev,u32 stringset,u8 * data)1195 qlcnic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1196 {
1197 struct qlcnic_adapter *adapter = netdev_priv(dev);
1198 int index, i, num_stats;
1199 const char *str;
1200
1201 switch (stringset) {
1202 case ETH_SS_TEST:
1203 for (i = 0; i < QLCNIC_TEST_LEN; i++)
1204 ethtool_puts(&data, qlcnic_gstrings_test[i]);
1205 break;
1206 case ETH_SS_STATS:
1207 num_stats = ARRAY_SIZE(qlcnic_tx_queue_stats_strings);
1208 for (i = 0; i < adapter->drv_tx_rings; i++)
1209 for (index = 0; index < num_stats; index++) {
1210 str = qlcnic_tx_queue_stats_strings[index];
1211 ethtool_sprintf(&data, "tx_queue_%d %s", i,
1212 str);
1213 }
1214
1215 for (i = 0; i < QLCNIC_STATS_LEN; i++) {
1216 str = qlcnic_gstrings_stats[i].stat_string;
1217 ethtool_puts(&data, str);
1218 }
1219
1220 if (qlcnic_83xx_check(adapter)) {
1221 num_stats = ARRAY_SIZE(qlcnic_83xx_tx_stats_strings);
1222 for (i = 0; i < num_stats; i++) {
1223 str = qlcnic_83xx_tx_stats_strings[i];
1224 ethtool_puts(&data, str);
1225 }
1226 num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
1227 for (i = 0; i < num_stats; i++) {
1228 str = qlcnic_83xx_mac_stats_strings[i];
1229 ethtool_puts(&data, str);
1230 }
1231 num_stats = ARRAY_SIZE(qlcnic_83xx_rx_stats_strings);
1232 for (i = 0; i < num_stats; i++) {
1233 str = qlcnic_83xx_rx_stats_strings[i];
1234 ethtool_puts(&data, str);
1235 }
1236 return;
1237 } else {
1238 num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
1239 for (i = 0; i < num_stats; i++) {
1240 str = qlcnic_83xx_mac_stats_strings[i];
1241 ethtool_puts(&data, str);
1242 }
1243 }
1244 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1245 return;
1246 num_stats = ARRAY_SIZE(qlcnic_device_gstrings_stats);
1247 for (i = 0; i < num_stats; i++)
1248 ethtool_puts(&data, qlcnic_device_gstrings_stats[i]);
1249 }
1250 }
1251
qlcnic_fill_stats(u64 * data,void * stats,int type)1252 static u64 *qlcnic_fill_stats(u64 *data, void *stats, int type)
1253 {
1254 if (type == QLCNIC_MAC_STATS) {
1255 struct qlcnic_mac_statistics *mac_stats =
1256 (struct qlcnic_mac_statistics *)stats;
1257 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_frames);
1258 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bytes);
1259 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_mcast_pkts);
1260 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bcast_pkts);
1261 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_pause_cnt);
1262 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_ctrl_pkt);
1263 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_64b_pkts);
1264 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_127b_pkts);
1265 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_255b_pkts);
1266 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_511b_pkts);
1267 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1023b_pkts);
1268 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1518b_pkts);
1269 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_gt_1518b_pkts);
1270 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_frames);
1271 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bytes);
1272 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_mcast_pkts);
1273 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bcast_pkts);
1274 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_pause_cnt);
1275 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_ctrl_pkt);
1276 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_64b_pkts);
1277 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_127b_pkts);
1278 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_255b_pkts);
1279 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_511b_pkts);
1280 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1023b_pkts);
1281 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1518b_pkts);
1282 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_gt_1518b_pkts);
1283 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_error);
1284 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_small);
1285 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_large);
1286 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_jabber);
1287 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_dropped);
1288 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_crc_error);
1289 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_align_error);
1290 } else if (type == QLCNIC_ESW_STATS) {
1291 struct __qlcnic_esw_statistics *esw_stats =
1292 (struct __qlcnic_esw_statistics *)stats;
1293 *data++ = QLCNIC_FILL_STATS(esw_stats->unicast_frames);
1294 *data++ = QLCNIC_FILL_STATS(esw_stats->multicast_frames);
1295 *data++ = QLCNIC_FILL_STATS(esw_stats->broadcast_frames);
1296 *data++ = QLCNIC_FILL_STATS(esw_stats->dropped_frames);
1297 *data++ = QLCNIC_FILL_STATS(esw_stats->errors);
1298 *data++ = QLCNIC_FILL_STATS(esw_stats->local_frames);
1299 *data++ = QLCNIC_FILL_STATS(esw_stats->numbytes);
1300 }
1301 return data;
1302 }
1303
qlcnic_update_stats(struct qlcnic_adapter * adapter)1304 void qlcnic_update_stats(struct qlcnic_adapter *adapter)
1305 {
1306 struct qlcnic_tx_queue_stats tx_stats;
1307 struct qlcnic_host_tx_ring *tx_ring;
1308 int ring;
1309
1310 memset(&tx_stats, 0, sizeof(tx_stats));
1311 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
1312 tx_ring = &adapter->tx_ring[ring];
1313 tx_stats.xmit_on += tx_ring->tx_stats.xmit_on;
1314 tx_stats.xmit_off += tx_ring->tx_stats.xmit_off;
1315 tx_stats.xmit_called += tx_ring->tx_stats.xmit_called;
1316 tx_stats.xmit_finished += tx_ring->tx_stats.xmit_finished;
1317 tx_stats.tx_bytes += tx_ring->tx_stats.tx_bytes;
1318 }
1319
1320 adapter->stats.xmit_on = tx_stats.xmit_on;
1321 adapter->stats.xmit_off = tx_stats.xmit_off;
1322 adapter->stats.xmitcalled = tx_stats.xmit_called;
1323 adapter->stats.xmitfinished = tx_stats.xmit_finished;
1324 adapter->stats.txbytes = tx_stats.tx_bytes;
1325 }
1326
qlcnic_fill_tx_queue_stats(u64 * data,void * stats)1327 static u64 *qlcnic_fill_tx_queue_stats(u64 *data, void *stats)
1328 {
1329 struct qlcnic_host_tx_ring *tx_ring;
1330
1331 tx_ring = (struct qlcnic_host_tx_ring *)stats;
1332
1333 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_on);
1334 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_off);
1335 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_called);
1336 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_finished);
1337 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.tx_bytes);
1338
1339 return data;
1340 }
1341
qlcnic_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)1342 static void qlcnic_get_ethtool_stats(struct net_device *dev,
1343 struct ethtool_stats *stats, u64 *data)
1344 {
1345 struct qlcnic_adapter *adapter = netdev_priv(dev);
1346 struct qlcnic_host_tx_ring *tx_ring;
1347 struct qlcnic_esw_statistics port_stats;
1348 struct qlcnic_mac_statistics mac_stats;
1349 int index, ret, length, size, ring;
1350 char *p;
1351
1352 memset(data, 0, stats->n_stats * sizeof(u64));
1353
1354 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
1355 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1356 tx_ring = &adapter->tx_ring[ring];
1357 data = qlcnic_fill_tx_queue_stats(data, tx_ring);
1358 qlcnic_update_stats(adapter);
1359 } else {
1360 data += QLCNIC_TX_STATS_LEN;
1361 }
1362 }
1363
1364 length = QLCNIC_STATS_LEN;
1365 for (index = 0; index < length; index++) {
1366 p = (char *)adapter + qlcnic_gstrings_stats[index].stat_offset;
1367 size = qlcnic_gstrings_stats[index].sizeof_stat;
1368 *data++ = (size == sizeof(u64)) ? (*(u64 *)p) : ((*(u32 *)p));
1369 }
1370
1371 if (qlcnic_83xx_check(adapter)) {
1372 if (adapter->ahw->linkup)
1373 qlcnic_83xx_get_stats(adapter, data);
1374 return;
1375 } else {
1376 /* Retrieve MAC statistics from firmware */
1377 memset(&mac_stats, 0, sizeof(struct qlcnic_mac_statistics));
1378 qlcnic_get_mac_stats(adapter, &mac_stats);
1379 data = qlcnic_fill_stats(data, &mac_stats, QLCNIC_MAC_STATS);
1380 }
1381
1382 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1383 return;
1384
1385 memset(&port_stats, 0, sizeof(struct qlcnic_esw_statistics));
1386 ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func,
1387 QLCNIC_QUERY_RX_COUNTER, &port_stats.rx);
1388 if (ret)
1389 return;
1390
1391 data = qlcnic_fill_stats(data, &port_stats.rx, QLCNIC_ESW_STATS);
1392 ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func,
1393 QLCNIC_QUERY_TX_COUNTER, &port_stats.tx);
1394 if (ret)
1395 return;
1396
1397 qlcnic_fill_stats(data, &port_stats.tx, QLCNIC_ESW_STATS);
1398 }
1399
qlcnic_set_led(struct net_device * dev,enum ethtool_phys_id_state state)1400 static int qlcnic_set_led(struct net_device *dev,
1401 enum ethtool_phys_id_state state)
1402 {
1403 struct qlcnic_adapter *adapter = netdev_priv(dev);
1404 int drv_sds_rings = adapter->drv_sds_rings;
1405 int err = -EIO, active = 1;
1406
1407 if (qlcnic_83xx_check(adapter))
1408 return qlcnic_83xx_set_led(dev, state);
1409
1410 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1411 netdev_warn(dev, "LED test not supported for non "
1412 "privilege function\n");
1413 return -EOPNOTSUPP;
1414 }
1415
1416 switch (state) {
1417 case ETHTOOL_ID_ACTIVE:
1418 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
1419 return -EBUSY;
1420
1421 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1422 break;
1423
1424 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
1425 if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
1426 break;
1427 set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
1428 }
1429
1430 if (adapter->nic_ops->config_led(adapter, 1, 0xf) == 0) {
1431 err = 0;
1432 break;
1433 }
1434
1435 dev_err(&adapter->pdev->dev,
1436 "Failed to set LED blink state.\n");
1437 break;
1438
1439 case ETHTOOL_ID_INACTIVE:
1440 active = 0;
1441
1442 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1443 break;
1444
1445 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
1446 if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
1447 break;
1448 set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
1449 }
1450
1451 if (adapter->nic_ops->config_led(adapter, 0, 0xf))
1452 dev_err(&adapter->pdev->dev,
1453 "Failed to reset LED blink state.\n");
1454
1455 break;
1456
1457 default:
1458 return -EINVAL;
1459 }
1460
1461 if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
1462 qlcnic_diag_free_res(dev, drv_sds_rings);
1463
1464 if (!active || err)
1465 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
1466
1467 return err;
1468 }
1469
1470 static void
qlcnic_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)1471 qlcnic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1472 {
1473 struct qlcnic_adapter *adapter = netdev_priv(dev);
1474 u32 wol_cfg;
1475 int err = 0;
1476
1477 if (qlcnic_83xx_check(adapter))
1478 return;
1479 wol->supported = 0;
1480 wol->wolopts = 0;
1481
1482 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err);
1483 if (err == -EIO)
1484 return;
1485 if (wol_cfg & (1UL << adapter->portnum))
1486 wol->supported |= WAKE_MAGIC;
1487
1488 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err);
1489 if (wol_cfg & (1UL << adapter->portnum))
1490 wol->wolopts |= WAKE_MAGIC;
1491 }
1492
1493 static int
qlcnic_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)1494 qlcnic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1495 {
1496 struct qlcnic_adapter *adapter = netdev_priv(dev);
1497 u32 wol_cfg;
1498 int err = 0;
1499
1500 if (qlcnic_83xx_check(adapter))
1501 return -EOPNOTSUPP;
1502 if (wol->wolopts & ~WAKE_MAGIC)
1503 return -EINVAL;
1504
1505 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err);
1506 if (err == -EIO)
1507 return err;
1508 if (!(wol_cfg & (1 << adapter->portnum)))
1509 return -EOPNOTSUPP;
1510
1511 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err);
1512 if (err == -EIO)
1513 return err;
1514 if (wol->wolopts & WAKE_MAGIC)
1515 wol_cfg |= 1UL << adapter->portnum;
1516 else
1517 wol_cfg &= ~(1UL << adapter->portnum);
1518
1519 QLCWR32(adapter, QLCNIC_WOL_CONFIG, wol_cfg);
1520
1521 return 0;
1522 }
1523
1524 /*
1525 * Set the coalescing parameters. Currently only normal is supported.
1526 * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
1527 * firmware coalescing to default.
1528 */
qlcnic_set_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)1529 static int qlcnic_set_intr_coalesce(struct net_device *netdev,
1530 struct ethtool_coalesce *ethcoal,
1531 struct kernel_ethtool_coalesce *kernel_coal,
1532 struct netlink_ext_ack *extack)
1533 {
1534 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1535 int err;
1536
1537 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
1538 return -EINVAL;
1539
1540 /*
1541 * Return Error if unsupported values or
1542 * unsupported parameters are set.
1543 */
1544 if (ethcoal->rx_coalesce_usecs > 0xffff ||
1545 ethcoal->rx_max_coalesced_frames > 0xffff ||
1546 ethcoal->tx_coalesce_usecs > 0xffff ||
1547 ethcoal->tx_max_coalesced_frames > 0xffff)
1548 return -EINVAL;
1549
1550 err = qlcnic_config_intr_coalesce(adapter, ethcoal);
1551
1552 return err;
1553 }
1554
qlcnic_get_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)1555 static int qlcnic_get_intr_coalesce(struct net_device *netdev,
1556 struct ethtool_coalesce *ethcoal,
1557 struct kernel_ethtool_coalesce *kernel_coal,
1558 struct netlink_ext_ack *extack)
1559 {
1560 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1561
1562 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1563 return -EINVAL;
1564
1565 ethcoal->rx_coalesce_usecs = adapter->ahw->coal.rx_time_us;
1566 ethcoal->rx_max_coalesced_frames = adapter->ahw->coal.rx_packets;
1567 ethcoal->tx_coalesce_usecs = adapter->ahw->coal.tx_time_us;
1568 ethcoal->tx_max_coalesced_frames = adapter->ahw->coal.tx_packets;
1569
1570 return 0;
1571 }
1572
qlcnic_get_msglevel(struct net_device * netdev)1573 static u32 qlcnic_get_msglevel(struct net_device *netdev)
1574 {
1575 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1576
1577 return adapter->ahw->msg_enable;
1578 }
1579
qlcnic_set_msglevel(struct net_device * netdev,u32 msglvl)1580 static void qlcnic_set_msglevel(struct net_device *netdev, u32 msglvl)
1581 {
1582 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1583
1584 adapter->ahw->msg_enable = msglvl;
1585 }
1586
qlcnic_enable_fw_dump_state(struct qlcnic_adapter * adapter)1587 int qlcnic_enable_fw_dump_state(struct qlcnic_adapter *adapter)
1588 {
1589 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1590 u32 val;
1591
1592 if (qlcnic_84xx_check(adapter)) {
1593 if (qlcnic_83xx_lock_driver(adapter))
1594 return -EBUSY;
1595
1596 val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1597 val &= ~QLC_83XX_IDC_DISABLE_FW_DUMP;
1598 QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val);
1599
1600 qlcnic_83xx_unlock_driver(adapter);
1601 } else {
1602 fw_dump->enable = true;
1603 }
1604
1605 dev_info(&adapter->pdev->dev, "FW dump enabled\n");
1606
1607 return 0;
1608 }
1609
qlcnic_disable_fw_dump_state(struct qlcnic_adapter * adapter)1610 static int qlcnic_disable_fw_dump_state(struct qlcnic_adapter *adapter)
1611 {
1612 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1613 u32 val;
1614
1615 if (qlcnic_84xx_check(adapter)) {
1616 if (qlcnic_83xx_lock_driver(adapter))
1617 return -EBUSY;
1618
1619 val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1620 val |= QLC_83XX_IDC_DISABLE_FW_DUMP;
1621 QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val);
1622
1623 qlcnic_83xx_unlock_driver(adapter);
1624 } else {
1625 fw_dump->enable = false;
1626 }
1627
1628 dev_info(&adapter->pdev->dev, "FW dump disabled\n");
1629
1630 return 0;
1631 }
1632
qlcnic_check_fw_dump_state(struct qlcnic_adapter * adapter)1633 bool qlcnic_check_fw_dump_state(struct qlcnic_adapter *adapter)
1634 {
1635 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1636 bool state;
1637 u32 val;
1638
1639 if (qlcnic_84xx_check(adapter)) {
1640 val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1641 state = (val & QLC_83XX_IDC_DISABLE_FW_DUMP) ? false : true;
1642 } else {
1643 state = fw_dump->enable;
1644 }
1645
1646 return state;
1647 }
1648
1649 static int
qlcnic_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)1650 qlcnic_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
1651 {
1652 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1653 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1654
1655 if (!fw_dump->tmpl_hdr) {
1656 netdev_err(adapter->netdev, "FW Dump not supported\n");
1657 return -ENOTSUPP;
1658 }
1659
1660 if (fw_dump->clr)
1661 dump->len = fw_dump->tmpl_hdr_size + fw_dump->size;
1662 else
1663 dump->len = 0;
1664
1665 if (!qlcnic_check_fw_dump_state(adapter))
1666 dump->flag = ETH_FW_DUMP_DISABLE;
1667 else
1668 dump->flag = fw_dump->cap_mask;
1669
1670 dump->version = adapter->fw_version;
1671 return 0;
1672 }
1673
1674 static int
qlcnic_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buffer)1675 qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
1676 void *buffer)
1677 {
1678 int i, copy_sz;
1679 u32 *hdr_ptr;
1680 __le32 *data;
1681 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1682 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1683
1684 if (!fw_dump->tmpl_hdr) {
1685 netdev_err(netdev, "FW Dump not supported\n");
1686 return -ENOTSUPP;
1687 }
1688
1689 if (!fw_dump->clr) {
1690 netdev_info(netdev, "Dump not available\n");
1691 return -EINVAL;
1692 }
1693
1694 /* Copy template header first */
1695 copy_sz = fw_dump->tmpl_hdr_size;
1696 hdr_ptr = (u32 *)fw_dump->tmpl_hdr;
1697 data = buffer;
1698 for (i = 0; i < copy_sz/sizeof(u32); i++)
1699 *data++ = cpu_to_le32(*hdr_ptr++);
1700
1701 /* Copy captured dump data */
1702 memcpy(buffer + copy_sz, fw_dump->data, fw_dump->size);
1703 dump->len = copy_sz + fw_dump->size;
1704 dump->flag = fw_dump->cap_mask;
1705
1706 /* Free dump area once data has been captured */
1707 vfree(fw_dump->data);
1708 fw_dump->data = NULL;
1709 fw_dump->clr = 0;
1710 netdev_info(netdev, "extracted the FW dump Successfully\n");
1711 return 0;
1712 }
1713
qlcnic_set_dump_mask(struct qlcnic_adapter * adapter,u32 mask)1714 static int qlcnic_set_dump_mask(struct qlcnic_adapter *adapter, u32 mask)
1715 {
1716 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1717 struct net_device *netdev = adapter->netdev;
1718
1719 if (!qlcnic_check_fw_dump_state(adapter)) {
1720 netdev_info(netdev,
1721 "Can not change driver mask to 0x%x. FW dump not enabled\n",
1722 mask);
1723 return -EOPNOTSUPP;
1724 }
1725
1726 fw_dump->cap_mask = mask;
1727
1728 /* Store new capture mask in template header as well*/
1729 qlcnic_store_cap_mask(adapter, fw_dump->tmpl_hdr, mask);
1730
1731 netdev_info(netdev, "Driver mask changed to: 0x%x\n", mask);
1732 return 0;
1733 }
1734
1735 static int
qlcnic_set_dump(struct net_device * netdev,struct ethtool_dump * val)1736 qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
1737 {
1738 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1739 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1740 bool valid_mask = false;
1741 int i, ret = 0;
1742
1743 switch (val->flag) {
1744 case QLCNIC_FORCE_FW_DUMP_KEY:
1745 if (!fw_dump->tmpl_hdr) {
1746 netdev_err(netdev, "FW dump not supported\n");
1747 ret = -EOPNOTSUPP;
1748 break;
1749 }
1750
1751 if (!qlcnic_check_fw_dump_state(adapter)) {
1752 netdev_info(netdev, "FW dump not enabled\n");
1753 ret = -EOPNOTSUPP;
1754 break;
1755 }
1756
1757 if (fw_dump->clr) {
1758 netdev_info(netdev,
1759 "Previous dump not cleared, not forcing dump\n");
1760 break;
1761 }
1762
1763 netdev_info(netdev, "Forcing a FW dump\n");
1764 qlcnic_dev_request_reset(adapter, val->flag);
1765 break;
1766 case QLCNIC_DISABLE_FW_DUMP:
1767 if (!fw_dump->tmpl_hdr) {
1768 netdev_err(netdev, "FW dump not supported\n");
1769 ret = -EOPNOTSUPP;
1770 break;
1771 }
1772
1773 ret = qlcnic_disable_fw_dump_state(adapter);
1774 break;
1775
1776 case QLCNIC_ENABLE_FW_DUMP:
1777 if (!fw_dump->tmpl_hdr) {
1778 netdev_err(netdev, "FW dump not supported\n");
1779 ret = -EOPNOTSUPP;
1780 break;
1781 }
1782
1783 ret = qlcnic_enable_fw_dump_state(adapter);
1784 break;
1785
1786 case QLCNIC_FORCE_FW_RESET:
1787 netdev_info(netdev, "Forcing a FW reset\n");
1788 qlcnic_dev_request_reset(adapter, val->flag);
1789 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
1790 break;
1791
1792 case QLCNIC_SET_QUIESCENT:
1793 case QLCNIC_RESET_QUIESCENT:
1794 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state))
1795 netdev_info(netdev, "Device is in non-operational state\n");
1796 break;
1797
1798 default:
1799 if (!fw_dump->tmpl_hdr) {
1800 netdev_err(netdev, "FW dump not supported\n");
1801 ret = -EOPNOTSUPP;
1802 break;
1803 }
1804
1805 for (i = 0; i < ARRAY_SIZE(qlcnic_fw_dump_level); i++) {
1806 if (val->flag == qlcnic_fw_dump_level[i]) {
1807 valid_mask = true;
1808 break;
1809 }
1810 }
1811
1812 if (valid_mask) {
1813 ret = qlcnic_set_dump_mask(adapter, val->flag);
1814 } else {
1815 netdev_info(netdev, "Invalid dump level: 0x%x\n",
1816 val->flag);
1817 ret = -EINVAL;
1818 }
1819 }
1820 return ret;
1821 }
1822
1823 const struct ethtool_ops qlcnic_ethtool_ops = {
1824 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1825 ETHTOOL_COALESCE_MAX_FRAMES,
1826 .get_drvinfo = qlcnic_get_drvinfo,
1827 .get_regs_len = qlcnic_get_regs_len,
1828 .get_regs = qlcnic_get_regs,
1829 .get_link = ethtool_op_get_link,
1830 .get_eeprom_len = qlcnic_get_eeprom_len,
1831 .get_eeprom = qlcnic_get_eeprom,
1832 .get_ringparam = qlcnic_get_ringparam,
1833 .set_ringparam = qlcnic_set_ringparam,
1834 .get_channels = qlcnic_get_channels,
1835 .set_channels = qlcnic_set_channels,
1836 .get_pauseparam = qlcnic_get_pauseparam,
1837 .set_pauseparam = qlcnic_set_pauseparam,
1838 .get_wol = qlcnic_get_wol,
1839 .set_wol = qlcnic_set_wol,
1840 .self_test = qlcnic_diag_test,
1841 .get_strings = qlcnic_get_strings,
1842 .get_ethtool_stats = qlcnic_get_ethtool_stats,
1843 .get_sset_count = qlcnic_get_sset_count,
1844 .get_coalesce = qlcnic_get_intr_coalesce,
1845 .set_coalesce = qlcnic_set_intr_coalesce,
1846 .set_phys_id = qlcnic_set_led,
1847 .set_msglevel = qlcnic_set_msglevel,
1848 .get_msglevel = qlcnic_get_msglevel,
1849 .get_dump_flag = qlcnic_get_dump_flag,
1850 .get_dump_data = qlcnic_get_dump_data,
1851 .set_dump = qlcnic_set_dump,
1852 .get_link_ksettings = qlcnic_get_link_ksettings,
1853 .set_link_ksettings = qlcnic_set_link_ksettings,
1854 };
1855
1856 const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = {
1857 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1858 ETHTOOL_COALESCE_MAX_FRAMES,
1859 .get_drvinfo = qlcnic_get_drvinfo,
1860 .get_regs_len = qlcnic_get_regs_len,
1861 .get_regs = qlcnic_get_regs,
1862 .get_link = ethtool_op_get_link,
1863 .get_eeprom_len = qlcnic_get_eeprom_len,
1864 .get_eeprom = qlcnic_get_eeprom,
1865 .get_ringparam = qlcnic_get_ringparam,
1866 .set_ringparam = qlcnic_set_ringparam,
1867 .get_channels = qlcnic_get_channels,
1868 .get_pauseparam = qlcnic_get_pauseparam,
1869 .get_wol = qlcnic_get_wol,
1870 .get_strings = qlcnic_get_strings,
1871 .get_ethtool_stats = qlcnic_get_ethtool_stats,
1872 .get_sset_count = qlcnic_get_sset_count,
1873 .get_coalesce = qlcnic_get_intr_coalesce,
1874 .set_coalesce = qlcnic_set_intr_coalesce,
1875 .set_msglevel = qlcnic_set_msglevel,
1876 .get_msglevel = qlcnic_get_msglevel,
1877 .get_link_ksettings = qlcnic_get_link_ksettings,
1878 };
1879
1880 const struct ethtool_ops qlcnic_ethtool_failed_ops = {
1881 .get_drvinfo = qlcnic_get_drvinfo,
1882 .set_msglevel = qlcnic_set_msglevel,
1883 .get_msglevel = qlcnic_get_msglevel,
1884 .set_dump = qlcnic_set_dump,
1885 .get_link_ksettings = qlcnic_get_link_ksettings,
1886 };
1887