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