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
1200 switch (stringset) {
1201 case ETH_SS_TEST:
1202 memcpy(data, *qlcnic_gstrings_test,
1203 QLCNIC_TEST_LEN * ETH_GSTRING_LEN);
1204 break;
1205 case ETH_SS_STATS:
1206 num_stats = ARRAY_SIZE(qlcnic_tx_queue_stats_strings);
1207 for (i = 0; i < adapter->drv_tx_rings; i++) {
1208 for (index = 0; index < num_stats; index++) {
1209 sprintf(data, "tx_queue_%d %s", i,
1210 qlcnic_tx_queue_stats_strings[index]);
1211 data += ETH_GSTRING_LEN;
1212 }
1213 }
1214
1215 for (index = 0; index < QLCNIC_STATS_LEN; index++) {
1216 memcpy(data + index * ETH_GSTRING_LEN,
1217 qlcnic_gstrings_stats[index].stat_string,
1218 ETH_GSTRING_LEN);
1219 }
1220
1221 if (qlcnic_83xx_check(adapter)) {
1222 num_stats = ARRAY_SIZE(qlcnic_83xx_tx_stats_strings);
1223 for (i = 0; i < num_stats; i++, index++)
1224 memcpy(data + index * ETH_GSTRING_LEN,
1225 qlcnic_83xx_tx_stats_strings[i],
1226 ETH_GSTRING_LEN);
1227 num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
1228 for (i = 0; i < num_stats; i++, index++)
1229 memcpy(data + index * ETH_GSTRING_LEN,
1230 qlcnic_83xx_mac_stats_strings[i],
1231 ETH_GSTRING_LEN);
1232 num_stats = ARRAY_SIZE(qlcnic_83xx_rx_stats_strings);
1233 for (i = 0; i < num_stats; i++, index++)
1234 memcpy(data + index * ETH_GSTRING_LEN,
1235 qlcnic_83xx_rx_stats_strings[i],
1236 ETH_GSTRING_LEN);
1237 return;
1238 } else {
1239 num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
1240 for (i = 0; i < num_stats; i++, index++)
1241 memcpy(data + index * ETH_GSTRING_LEN,
1242 qlcnic_83xx_mac_stats_strings[i],
1243 ETH_GSTRING_LEN);
1244 }
1245 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1246 return;
1247 num_stats = ARRAY_SIZE(qlcnic_device_gstrings_stats);
1248 for (i = 0; i < num_stats; index++, i++) {
1249 memcpy(data + index * ETH_GSTRING_LEN,
1250 qlcnic_device_gstrings_stats[i],
1251 ETH_GSTRING_LEN);
1252 }
1253 }
1254 }
1255
qlcnic_fill_stats(u64 * data,void * stats,int type)1256 static u64 *qlcnic_fill_stats(u64 *data, void *stats, int type)
1257 {
1258 if (type == QLCNIC_MAC_STATS) {
1259 struct qlcnic_mac_statistics *mac_stats =
1260 (struct qlcnic_mac_statistics *)stats;
1261 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_frames);
1262 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bytes);
1263 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_mcast_pkts);
1264 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bcast_pkts);
1265 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_pause_cnt);
1266 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_ctrl_pkt);
1267 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_64b_pkts);
1268 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_127b_pkts);
1269 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_255b_pkts);
1270 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_511b_pkts);
1271 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1023b_pkts);
1272 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1518b_pkts);
1273 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_gt_1518b_pkts);
1274 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_frames);
1275 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bytes);
1276 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_mcast_pkts);
1277 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bcast_pkts);
1278 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_pause_cnt);
1279 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_ctrl_pkt);
1280 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_64b_pkts);
1281 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_127b_pkts);
1282 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_255b_pkts);
1283 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_511b_pkts);
1284 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1023b_pkts);
1285 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1518b_pkts);
1286 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_gt_1518b_pkts);
1287 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_error);
1288 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_small);
1289 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_large);
1290 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_jabber);
1291 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_dropped);
1292 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_crc_error);
1293 *data++ = QLCNIC_FILL_STATS(mac_stats->mac_align_error);
1294 } else if (type == QLCNIC_ESW_STATS) {
1295 struct __qlcnic_esw_statistics *esw_stats =
1296 (struct __qlcnic_esw_statistics *)stats;
1297 *data++ = QLCNIC_FILL_STATS(esw_stats->unicast_frames);
1298 *data++ = QLCNIC_FILL_STATS(esw_stats->multicast_frames);
1299 *data++ = QLCNIC_FILL_STATS(esw_stats->broadcast_frames);
1300 *data++ = QLCNIC_FILL_STATS(esw_stats->dropped_frames);
1301 *data++ = QLCNIC_FILL_STATS(esw_stats->errors);
1302 *data++ = QLCNIC_FILL_STATS(esw_stats->local_frames);
1303 *data++ = QLCNIC_FILL_STATS(esw_stats->numbytes);
1304 }
1305 return data;
1306 }
1307
qlcnic_update_stats(struct qlcnic_adapter * adapter)1308 void qlcnic_update_stats(struct qlcnic_adapter *adapter)
1309 {
1310 struct qlcnic_tx_queue_stats tx_stats;
1311 struct qlcnic_host_tx_ring *tx_ring;
1312 int ring;
1313
1314 memset(&tx_stats, 0, sizeof(tx_stats));
1315 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
1316 tx_ring = &adapter->tx_ring[ring];
1317 tx_stats.xmit_on += tx_ring->tx_stats.xmit_on;
1318 tx_stats.xmit_off += tx_ring->tx_stats.xmit_off;
1319 tx_stats.xmit_called += tx_ring->tx_stats.xmit_called;
1320 tx_stats.xmit_finished += tx_ring->tx_stats.xmit_finished;
1321 tx_stats.tx_bytes += tx_ring->tx_stats.tx_bytes;
1322 }
1323
1324 adapter->stats.xmit_on = tx_stats.xmit_on;
1325 adapter->stats.xmit_off = tx_stats.xmit_off;
1326 adapter->stats.xmitcalled = tx_stats.xmit_called;
1327 adapter->stats.xmitfinished = tx_stats.xmit_finished;
1328 adapter->stats.txbytes = tx_stats.tx_bytes;
1329 }
1330
qlcnic_fill_tx_queue_stats(u64 * data,void * stats)1331 static u64 *qlcnic_fill_tx_queue_stats(u64 *data, void *stats)
1332 {
1333 struct qlcnic_host_tx_ring *tx_ring;
1334
1335 tx_ring = (struct qlcnic_host_tx_ring *)stats;
1336
1337 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_on);
1338 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_off);
1339 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_called);
1340 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_finished);
1341 *data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.tx_bytes);
1342
1343 return data;
1344 }
1345
qlcnic_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)1346 static void qlcnic_get_ethtool_stats(struct net_device *dev,
1347 struct ethtool_stats *stats, u64 *data)
1348 {
1349 struct qlcnic_adapter *adapter = netdev_priv(dev);
1350 struct qlcnic_host_tx_ring *tx_ring;
1351 struct qlcnic_esw_statistics port_stats;
1352 struct qlcnic_mac_statistics mac_stats;
1353 int index, ret, length, size, ring;
1354 char *p;
1355
1356 memset(data, 0, stats->n_stats * sizeof(u64));
1357
1358 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
1359 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1360 tx_ring = &adapter->tx_ring[ring];
1361 data = qlcnic_fill_tx_queue_stats(data, tx_ring);
1362 qlcnic_update_stats(adapter);
1363 } else {
1364 data += QLCNIC_TX_STATS_LEN;
1365 }
1366 }
1367
1368 length = QLCNIC_STATS_LEN;
1369 for (index = 0; index < length; index++) {
1370 p = (char *)adapter + qlcnic_gstrings_stats[index].stat_offset;
1371 size = qlcnic_gstrings_stats[index].sizeof_stat;
1372 *data++ = (size == sizeof(u64)) ? (*(u64 *)p) : ((*(u32 *)p));
1373 }
1374
1375 if (qlcnic_83xx_check(adapter)) {
1376 if (adapter->ahw->linkup)
1377 qlcnic_83xx_get_stats(adapter, data);
1378 return;
1379 } else {
1380 /* Retrieve MAC statistics from firmware */
1381 memset(&mac_stats, 0, sizeof(struct qlcnic_mac_statistics));
1382 qlcnic_get_mac_stats(adapter, &mac_stats);
1383 data = qlcnic_fill_stats(data, &mac_stats, QLCNIC_MAC_STATS);
1384 }
1385
1386 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1387 return;
1388
1389 memset(&port_stats, 0, sizeof(struct qlcnic_esw_statistics));
1390 ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func,
1391 QLCNIC_QUERY_RX_COUNTER, &port_stats.rx);
1392 if (ret)
1393 return;
1394
1395 data = qlcnic_fill_stats(data, &port_stats.rx, QLCNIC_ESW_STATS);
1396 ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func,
1397 QLCNIC_QUERY_TX_COUNTER, &port_stats.tx);
1398 if (ret)
1399 return;
1400
1401 qlcnic_fill_stats(data, &port_stats.tx, QLCNIC_ESW_STATS);
1402 }
1403
qlcnic_set_led(struct net_device * dev,enum ethtool_phys_id_state state)1404 static int qlcnic_set_led(struct net_device *dev,
1405 enum ethtool_phys_id_state state)
1406 {
1407 struct qlcnic_adapter *adapter = netdev_priv(dev);
1408 int drv_sds_rings = adapter->drv_sds_rings;
1409 int err = -EIO, active = 1;
1410
1411 if (qlcnic_83xx_check(adapter))
1412 return qlcnic_83xx_set_led(dev, state);
1413
1414 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1415 netdev_warn(dev, "LED test not supported for non "
1416 "privilege function\n");
1417 return -EOPNOTSUPP;
1418 }
1419
1420 switch (state) {
1421 case ETHTOOL_ID_ACTIVE:
1422 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
1423 return -EBUSY;
1424
1425 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1426 break;
1427
1428 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
1429 if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
1430 break;
1431 set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
1432 }
1433
1434 if (adapter->nic_ops->config_led(adapter, 1, 0xf) == 0) {
1435 err = 0;
1436 break;
1437 }
1438
1439 dev_err(&adapter->pdev->dev,
1440 "Failed to set LED blink state.\n");
1441 break;
1442
1443 case ETHTOOL_ID_INACTIVE:
1444 active = 0;
1445
1446 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1447 break;
1448
1449 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
1450 if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
1451 break;
1452 set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
1453 }
1454
1455 if (adapter->nic_ops->config_led(adapter, 0, 0xf))
1456 dev_err(&adapter->pdev->dev,
1457 "Failed to reset LED blink state.\n");
1458
1459 break;
1460
1461 default:
1462 return -EINVAL;
1463 }
1464
1465 if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
1466 qlcnic_diag_free_res(dev, drv_sds_rings);
1467
1468 if (!active || err)
1469 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
1470
1471 return err;
1472 }
1473
1474 static void
qlcnic_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)1475 qlcnic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1476 {
1477 struct qlcnic_adapter *adapter = netdev_priv(dev);
1478 u32 wol_cfg;
1479 int err = 0;
1480
1481 if (qlcnic_83xx_check(adapter))
1482 return;
1483 wol->supported = 0;
1484 wol->wolopts = 0;
1485
1486 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err);
1487 if (err == -EIO)
1488 return;
1489 if (wol_cfg & (1UL << adapter->portnum))
1490 wol->supported |= WAKE_MAGIC;
1491
1492 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err);
1493 if (wol_cfg & (1UL << adapter->portnum))
1494 wol->wolopts |= WAKE_MAGIC;
1495 }
1496
1497 static int
qlcnic_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)1498 qlcnic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1499 {
1500 struct qlcnic_adapter *adapter = netdev_priv(dev);
1501 u32 wol_cfg;
1502 int err = 0;
1503
1504 if (qlcnic_83xx_check(adapter))
1505 return -EOPNOTSUPP;
1506 if (wol->wolopts & ~WAKE_MAGIC)
1507 return -EINVAL;
1508
1509 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err);
1510 if (err == -EIO)
1511 return err;
1512 if (!(wol_cfg & (1 << adapter->portnum)))
1513 return -EOPNOTSUPP;
1514
1515 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err);
1516 if (err == -EIO)
1517 return err;
1518 if (wol->wolopts & WAKE_MAGIC)
1519 wol_cfg |= 1UL << adapter->portnum;
1520 else
1521 wol_cfg &= ~(1UL << adapter->portnum);
1522
1523 QLCWR32(adapter, QLCNIC_WOL_CONFIG, wol_cfg);
1524
1525 return 0;
1526 }
1527
1528 /*
1529 * Set the coalescing parameters. Currently only normal is supported.
1530 * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
1531 * firmware coalescing to default.
1532 */
qlcnic_set_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)1533 static int qlcnic_set_intr_coalesce(struct net_device *netdev,
1534 struct ethtool_coalesce *ethcoal,
1535 struct kernel_ethtool_coalesce *kernel_coal,
1536 struct netlink_ext_ack *extack)
1537 {
1538 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1539 int err;
1540
1541 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
1542 return -EINVAL;
1543
1544 /*
1545 * Return Error if unsupported values or
1546 * unsupported parameters are set.
1547 */
1548 if (ethcoal->rx_coalesce_usecs > 0xffff ||
1549 ethcoal->rx_max_coalesced_frames > 0xffff ||
1550 ethcoal->tx_coalesce_usecs > 0xffff ||
1551 ethcoal->tx_max_coalesced_frames > 0xffff)
1552 return -EINVAL;
1553
1554 err = qlcnic_config_intr_coalesce(adapter, ethcoal);
1555
1556 return err;
1557 }
1558
qlcnic_get_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)1559 static int qlcnic_get_intr_coalesce(struct net_device *netdev,
1560 struct ethtool_coalesce *ethcoal,
1561 struct kernel_ethtool_coalesce *kernel_coal,
1562 struct netlink_ext_ack *extack)
1563 {
1564 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1565
1566 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1567 return -EINVAL;
1568
1569 ethcoal->rx_coalesce_usecs = adapter->ahw->coal.rx_time_us;
1570 ethcoal->rx_max_coalesced_frames = adapter->ahw->coal.rx_packets;
1571 ethcoal->tx_coalesce_usecs = adapter->ahw->coal.tx_time_us;
1572 ethcoal->tx_max_coalesced_frames = adapter->ahw->coal.tx_packets;
1573
1574 return 0;
1575 }
1576
qlcnic_get_msglevel(struct net_device * netdev)1577 static u32 qlcnic_get_msglevel(struct net_device *netdev)
1578 {
1579 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1580
1581 return adapter->ahw->msg_enable;
1582 }
1583
qlcnic_set_msglevel(struct net_device * netdev,u32 msglvl)1584 static void qlcnic_set_msglevel(struct net_device *netdev, u32 msglvl)
1585 {
1586 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1587
1588 adapter->ahw->msg_enable = msglvl;
1589 }
1590
qlcnic_enable_fw_dump_state(struct qlcnic_adapter * adapter)1591 int qlcnic_enable_fw_dump_state(struct qlcnic_adapter *adapter)
1592 {
1593 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1594 u32 val;
1595
1596 if (qlcnic_84xx_check(adapter)) {
1597 if (qlcnic_83xx_lock_driver(adapter))
1598 return -EBUSY;
1599
1600 val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1601 val &= ~QLC_83XX_IDC_DISABLE_FW_DUMP;
1602 QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val);
1603
1604 qlcnic_83xx_unlock_driver(adapter);
1605 } else {
1606 fw_dump->enable = true;
1607 }
1608
1609 dev_info(&adapter->pdev->dev, "FW dump enabled\n");
1610
1611 return 0;
1612 }
1613
qlcnic_disable_fw_dump_state(struct qlcnic_adapter * adapter)1614 static int qlcnic_disable_fw_dump_state(struct qlcnic_adapter *adapter)
1615 {
1616 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1617 u32 val;
1618
1619 if (qlcnic_84xx_check(adapter)) {
1620 if (qlcnic_83xx_lock_driver(adapter))
1621 return -EBUSY;
1622
1623 val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1624 val |= QLC_83XX_IDC_DISABLE_FW_DUMP;
1625 QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val);
1626
1627 qlcnic_83xx_unlock_driver(adapter);
1628 } else {
1629 fw_dump->enable = false;
1630 }
1631
1632 dev_info(&adapter->pdev->dev, "FW dump disabled\n");
1633
1634 return 0;
1635 }
1636
qlcnic_check_fw_dump_state(struct qlcnic_adapter * adapter)1637 bool qlcnic_check_fw_dump_state(struct qlcnic_adapter *adapter)
1638 {
1639 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1640 bool state;
1641 u32 val;
1642
1643 if (qlcnic_84xx_check(adapter)) {
1644 val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1645 state = (val & QLC_83XX_IDC_DISABLE_FW_DUMP) ? false : true;
1646 } else {
1647 state = fw_dump->enable;
1648 }
1649
1650 return state;
1651 }
1652
1653 static int
qlcnic_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)1654 qlcnic_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
1655 {
1656 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1657 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1658
1659 if (!fw_dump->tmpl_hdr) {
1660 netdev_err(adapter->netdev, "FW Dump not supported\n");
1661 return -ENOTSUPP;
1662 }
1663
1664 if (fw_dump->clr)
1665 dump->len = fw_dump->tmpl_hdr_size + fw_dump->size;
1666 else
1667 dump->len = 0;
1668
1669 if (!qlcnic_check_fw_dump_state(adapter))
1670 dump->flag = ETH_FW_DUMP_DISABLE;
1671 else
1672 dump->flag = fw_dump->cap_mask;
1673
1674 dump->version = adapter->fw_version;
1675 return 0;
1676 }
1677
1678 static int
qlcnic_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buffer)1679 qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
1680 void *buffer)
1681 {
1682 int i, copy_sz;
1683 u32 *hdr_ptr;
1684 __le32 *data;
1685 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1686 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1687
1688 if (!fw_dump->tmpl_hdr) {
1689 netdev_err(netdev, "FW Dump not supported\n");
1690 return -ENOTSUPP;
1691 }
1692
1693 if (!fw_dump->clr) {
1694 netdev_info(netdev, "Dump not available\n");
1695 return -EINVAL;
1696 }
1697
1698 /* Copy template header first */
1699 copy_sz = fw_dump->tmpl_hdr_size;
1700 hdr_ptr = (u32 *)fw_dump->tmpl_hdr;
1701 data = buffer;
1702 for (i = 0; i < copy_sz/sizeof(u32); i++)
1703 *data++ = cpu_to_le32(*hdr_ptr++);
1704
1705 /* Copy captured dump data */
1706 memcpy(buffer + copy_sz, fw_dump->data, fw_dump->size);
1707 dump->len = copy_sz + fw_dump->size;
1708 dump->flag = fw_dump->cap_mask;
1709
1710 /* Free dump area once data has been captured */
1711 vfree(fw_dump->data);
1712 fw_dump->data = NULL;
1713 fw_dump->clr = 0;
1714 netdev_info(netdev, "extracted the FW dump Successfully\n");
1715 return 0;
1716 }
1717
qlcnic_set_dump_mask(struct qlcnic_adapter * adapter,u32 mask)1718 static int qlcnic_set_dump_mask(struct qlcnic_adapter *adapter, u32 mask)
1719 {
1720 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1721 struct net_device *netdev = adapter->netdev;
1722
1723 if (!qlcnic_check_fw_dump_state(adapter)) {
1724 netdev_info(netdev,
1725 "Can not change driver mask to 0x%x. FW dump not enabled\n",
1726 mask);
1727 return -EOPNOTSUPP;
1728 }
1729
1730 fw_dump->cap_mask = mask;
1731
1732 /* Store new capture mask in template header as well*/
1733 qlcnic_store_cap_mask(adapter, fw_dump->tmpl_hdr, mask);
1734
1735 netdev_info(netdev, "Driver mask changed to: 0x%x\n", mask);
1736 return 0;
1737 }
1738
1739 static int
qlcnic_set_dump(struct net_device * netdev,struct ethtool_dump * val)1740 qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
1741 {
1742 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1743 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1744 bool valid_mask = false;
1745 int i, ret = 0;
1746
1747 switch (val->flag) {
1748 case QLCNIC_FORCE_FW_DUMP_KEY:
1749 if (!fw_dump->tmpl_hdr) {
1750 netdev_err(netdev, "FW dump not supported\n");
1751 ret = -EOPNOTSUPP;
1752 break;
1753 }
1754
1755 if (!qlcnic_check_fw_dump_state(adapter)) {
1756 netdev_info(netdev, "FW dump not enabled\n");
1757 ret = -EOPNOTSUPP;
1758 break;
1759 }
1760
1761 if (fw_dump->clr) {
1762 netdev_info(netdev,
1763 "Previous dump not cleared, not forcing dump\n");
1764 break;
1765 }
1766
1767 netdev_info(netdev, "Forcing a FW dump\n");
1768 qlcnic_dev_request_reset(adapter, val->flag);
1769 break;
1770 case QLCNIC_DISABLE_FW_DUMP:
1771 if (!fw_dump->tmpl_hdr) {
1772 netdev_err(netdev, "FW dump not supported\n");
1773 ret = -EOPNOTSUPP;
1774 break;
1775 }
1776
1777 ret = qlcnic_disable_fw_dump_state(adapter);
1778 break;
1779
1780 case QLCNIC_ENABLE_FW_DUMP:
1781 if (!fw_dump->tmpl_hdr) {
1782 netdev_err(netdev, "FW dump not supported\n");
1783 ret = -EOPNOTSUPP;
1784 break;
1785 }
1786
1787 ret = qlcnic_enable_fw_dump_state(adapter);
1788 break;
1789
1790 case QLCNIC_FORCE_FW_RESET:
1791 netdev_info(netdev, "Forcing a FW reset\n");
1792 qlcnic_dev_request_reset(adapter, val->flag);
1793 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
1794 break;
1795
1796 case QLCNIC_SET_QUIESCENT:
1797 case QLCNIC_RESET_QUIESCENT:
1798 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state))
1799 netdev_info(netdev, "Device is in non-operational state\n");
1800 break;
1801
1802 default:
1803 if (!fw_dump->tmpl_hdr) {
1804 netdev_err(netdev, "FW dump not supported\n");
1805 ret = -EOPNOTSUPP;
1806 break;
1807 }
1808
1809 for (i = 0; i < ARRAY_SIZE(qlcnic_fw_dump_level); i++) {
1810 if (val->flag == qlcnic_fw_dump_level[i]) {
1811 valid_mask = true;
1812 break;
1813 }
1814 }
1815
1816 if (valid_mask) {
1817 ret = qlcnic_set_dump_mask(adapter, val->flag);
1818 } else {
1819 netdev_info(netdev, "Invalid dump level: 0x%x\n",
1820 val->flag);
1821 ret = -EINVAL;
1822 }
1823 }
1824 return ret;
1825 }
1826
1827 const struct ethtool_ops qlcnic_ethtool_ops = {
1828 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1829 ETHTOOL_COALESCE_MAX_FRAMES,
1830 .get_drvinfo = qlcnic_get_drvinfo,
1831 .get_regs_len = qlcnic_get_regs_len,
1832 .get_regs = qlcnic_get_regs,
1833 .get_link = ethtool_op_get_link,
1834 .get_eeprom_len = qlcnic_get_eeprom_len,
1835 .get_eeprom = qlcnic_get_eeprom,
1836 .get_ringparam = qlcnic_get_ringparam,
1837 .set_ringparam = qlcnic_set_ringparam,
1838 .get_channels = qlcnic_get_channels,
1839 .set_channels = qlcnic_set_channels,
1840 .get_pauseparam = qlcnic_get_pauseparam,
1841 .set_pauseparam = qlcnic_set_pauseparam,
1842 .get_wol = qlcnic_get_wol,
1843 .set_wol = qlcnic_set_wol,
1844 .self_test = qlcnic_diag_test,
1845 .get_strings = qlcnic_get_strings,
1846 .get_ethtool_stats = qlcnic_get_ethtool_stats,
1847 .get_sset_count = qlcnic_get_sset_count,
1848 .get_coalesce = qlcnic_get_intr_coalesce,
1849 .set_coalesce = qlcnic_set_intr_coalesce,
1850 .set_phys_id = qlcnic_set_led,
1851 .set_msglevel = qlcnic_set_msglevel,
1852 .get_msglevel = qlcnic_get_msglevel,
1853 .get_dump_flag = qlcnic_get_dump_flag,
1854 .get_dump_data = qlcnic_get_dump_data,
1855 .set_dump = qlcnic_set_dump,
1856 .get_link_ksettings = qlcnic_get_link_ksettings,
1857 .set_link_ksettings = qlcnic_set_link_ksettings,
1858 };
1859
1860 const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = {
1861 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1862 ETHTOOL_COALESCE_MAX_FRAMES,
1863 .get_drvinfo = qlcnic_get_drvinfo,
1864 .get_regs_len = qlcnic_get_regs_len,
1865 .get_regs = qlcnic_get_regs,
1866 .get_link = ethtool_op_get_link,
1867 .get_eeprom_len = qlcnic_get_eeprom_len,
1868 .get_eeprom = qlcnic_get_eeprom,
1869 .get_ringparam = qlcnic_get_ringparam,
1870 .set_ringparam = qlcnic_set_ringparam,
1871 .get_channels = qlcnic_get_channels,
1872 .get_pauseparam = qlcnic_get_pauseparam,
1873 .get_wol = qlcnic_get_wol,
1874 .get_strings = qlcnic_get_strings,
1875 .get_ethtool_stats = qlcnic_get_ethtool_stats,
1876 .get_sset_count = qlcnic_get_sset_count,
1877 .get_coalesce = qlcnic_get_intr_coalesce,
1878 .set_coalesce = qlcnic_set_intr_coalesce,
1879 .set_msglevel = qlcnic_set_msglevel,
1880 .get_msglevel = qlcnic_get_msglevel,
1881 .get_link_ksettings = qlcnic_get_link_ksettings,
1882 };
1883
1884 const struct ethtool_ops qlcnic_ethtool_failed_ops = {
1885 .get_drvinfo = qlcnic_get_drvinfo,
1886 .set_msglevel = qlcnic_set_msglevel,
1887 .get_msglevel = qlcnic_get_msglevel,
1888 .set_dump = qlcnic_set_dump,
1889 .get_link_ksettings = qlcnic_get_link_ksettings,
1890 };
1891