1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2003 - 2009 NetXen, Inc.
4  * Copyright (C) 2009 - QLogic Corporation.
5  * All rights reserved.
6  */
7 
8 #include <linux/types.h>
9 #include <linux/delay.h>
10 #include <linux/pci.h>
11 #include <asm/io.h>
12 #include <linux/netdevice.h>
13 #include <linux/ethtool.h>
14 
15 #include "netxen_nic.h"
16 #include "netxen_nic_hw.h"
17 
18 struct netxen_nic_stats {
19 	char stat_string[ETH_GSTRING_LEN];
20 	int sizeof_stat;
21 	int stat_offset;
22 };
23 
24 #define NETXEN_NIC_STAT(m) sizeof(((struct netxen_adapter *)0)->m), \
25 			offsetof(struct netxen_adapter, m)
26 
27 #define NETXEN_NIC_PORT_WINDOW 0x10000
28 #define NETXEN_NIC_INVALID_DATA 0xDEADBEEF
29 
30 static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
31 	{"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
32 	{"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
33 	{"rx_dropped", NETXEN_NIC_STAT(stats.rxdropped)},
34 	{"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
35 	{"csummed", NETXEN_NIC_STAT(stats.csummed)},
36 	{"rx_pkts", NETXEN_NIC_STAT(stats.rx_pkts)},
37 	{"lro_pkts", NETXEN_NIC_STAT(stats.lro_pkts)},
38 	{"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
39 	{"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
40 };
41 
42 #define NETXEN_NIC_STATS_LEN	ARRAY_SIZE(netxen_nic_gstrings_stats)
43 
44 static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
45 	"Register_Test_on_offline",
46 	"Link_Test_on_offline"
47 };
48 
49 #define NETXEN_NIC_TEST_LEN	ARRAY_SIZE(netxen_nic_gstrings_test)
50 
51 #define NETXEN_NIC_REGS_COUNT 30
52 #define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
53 #define NETXEN_MAX_EEPROM_LEN   1024
54 
55 static int netxen_nic_get_eeprom_len(struct net_device *dev)
56 {
57 	return NETXEN_FLASH_TOTAL_SIZE;
58 }
59 
60 static void
61 netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
62 {
63 	struct netxen_adapter *adapter = netdev_priv(dev);
64 	u32 fw_major = 0;
65 	u32 fw_minor = 0;
66 	u32 fw_build = 0;
67 
68 	strlcpy(drvinfo->driver, netxen_nic_driver_name,
69 		sizeof(drvinfo->driver));
70 	strlcpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID,
71 		sizeof(drvinfo->version));
72 	fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
73 	fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
74 	fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
75 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
76 		"%d.%d.%d", fw_major, fw_minor, fw_build);
77 
78 	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
79 		sizeof(drvinfo->bus_info));
80 }
81 
82 static int
83 netxen_nic_get_link_ksettings(struct net_device *dev,
84 			      struct ethtool_link_ksettings *cmd)
85 {
86 	struct netxen_adapter *adapter = netdev_priv(dev);
87 	int check_sfp_module = 0;
88 	u32 supported, advertising;
89 
90 	/* read which mode */
91 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
92 		supported = (SUPPORTED_10baseT_Half |
93 				   SUPPORTED_10baseT_Full |
94 				   SUPPORTED_100baseT_Half |
95 				   SUPPORTED_100baseT_Full |
96 				   SUPPORTED_1000baseT_Half |
97 				   SUPPORTED_1000baseT_Full);
98 
99 		advertising = (ADVERTISED_100baseT_Half |
100 				     ADVERTISED_100baseT_Full |
101 				     ADVERTISED_1000baseT_Half |
102 				     ADVERTISED_1000baseT_Full);
103 
104 		cmd->base.port = PORT_TP;
105 
106 		cmd->base.speed = adapter->link_speed;
107 		cmd->base.duplex = adapter->link_duplex;
108 		cmd->base.autoneg = adapter->link_autoneg;
109 
110 	} else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
111 		u32 val;
112 
113 		val = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
114 		if (val == NETXEN_PORT_MODE_802_3_AP) {
115 			supported = SUPPORTED_1000baseT_Full;
116 			advertising = ADVERTISED_1000baseT_Full;
117 		} else {
118 			supported = SUPPORTED_10000baseT_Full;
119 			advertising = ADVERTISED_10000baseT_Full;
120 		}
121 
122 		if (netif_running(dev) && adapter->has_link_events) {
123 			cmd->base.speed = adapter->link_speed;
124 			cmd->base.autoneg = adapter->link_autoneg;
125 			cmd->base.duplex = adapter->link_duplex;
126 			goto skip;
127 		}
128 
129 		cmd->base.port = PORT_TP;
130 
131 		if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
132 			u16 pcifn = adapter->ahw.pci_func;
133 
134 			val = NXRD32(adapter, P3_LINK_SPEED_REG(pcifn));
135 			cmd->base.speed = P3_LINK_SPEED_MHZ *
136 				P3_LINK_SPEED_VAL(pcifn, val);
137 		} else
138 			cmd->base.speed = SPEED_10000;
139 
140 		cmd->base.duplex = DUPLEX_FULL;
141 		cmd->base.autoneg = AUTONEG_DISABLE;
142 	} else
143 		return -EIO;
144 
145 skip:
146 	cmd->base.phy_address = adapter->physical_port;
147 
148 	switch (adapter->ahw.board_type) {
149 	case NETXEN_BRDTYPE_P2_SB35_4G:
150 	case NETXEN_BRDTYPE_P2_SB31_2G:
151 	case NETXEN_BRDTYPE_P3_REF_QG:
152 	case NETXEN_BRDTYPE_P3_4_GB:
153 	case NETXEN_BRDTYPE_P3_4_GB_MM:
154 		supported |= SUPPORTED_Autoneg;
155 		advertising |= ADVERTISED_Autoneg;
156 		/* fall through */
157 	case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
158 	case NETXEN_BRDTYPE_P3_10G_CX4:
159 	case NETXEN_BRDTYPE_P3_10G_CX4_LP:
160 	case NETXEN_BRDTYPE_P3_10000_BASE_T:
161 		supported |= SUPPORTED_TP;
162 		advertising |= ADVERTISED_TP;
163 		cmd->base.port = PORT_TP;
164 		cmd->base.autoneg = (adapter->ahw.board_type ==
165 				 NETXEN_BRDTYPE_P2_SB31_10G_CX4) ?
166 		    (AUTONEG_DISABLE) : (adapter->link_autoneg);
167 		break;
168 	case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
169 	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
170 	case NETXEN_BRDTYPE_P3_IMEZ:
171 	case NETXEN_BRDTYPE_P3_XG_LOM:
172 	case NETXEN_BRDTYPE_P3_HMEZ:
173 		supported |= SUPPORTED_MII;
174 		advertising |= ADVERTISED_MII;
175 		cmd->base.port = PORT_MII;
176 		cmd->base.autoneg = AUTONEG_DISABLE;
177 		break;
178 	case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
179 	case NETXEN_BRDTYPE_P3_10G_SFP_CT:
180 	case NETXEN_BRDTYPE_P3_10G_SFP_QT:
181 		advertising |= ADVERTISED_TP;
182 		supported |= SUPPORTED_TP;
183 		check_sfp_module = netif_running(dev) &&
184 			adapter->has_link_events;
185 		/* fall through */
186 	case NETXEN_BRDTYPE_P2_SB31_10G:
187 	case NETXEN_BRDTYPE_P3_10G_XFP:
188 		supported |= SUPPORTED_FIBRE;
189 		advertising |= ADVERTISED_FIBRE;
190 		cmd->base.port = PORT_FIBRE;
191 		cmd->base.autoneg = AUTONEG_DISABLE;
192 		break;
193 	case NETXEN_BRDTYPE_P3_10G_TP:
194 		if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
195 			cmd->base.autoneg = AUTONEG_DISABLE;
196 			supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
197 			advertising |=
198 				(ADVERTISED_FIBRE | ADVERTISED_TP);
199 			cmd->base.port = PORT_FIBRE;
200 			check_sfp_module = netif_running(dev) &&
201 				adapter->has_link_events;
202 		} else {
203 			supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
204 			advertising |=
205 				(ADVERTISED_TP | ADVERTISED_Autoneg);
206 			cmd->base.port = PORT_TP;
207 		}
208 		break;
209 	default:
210 		printk(KERN_ERR "netxen-nic: Unsupported board model %d\n",
211 				adapter->ahw.board_type);
212 		return -EIO;
213 	}
214 
215 	if (check_sfp_module) {
216 		switch (adapter->module_type) {
217 		case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
218 		case LINKEVENT_MODULE_OPTICAL_SRLR:
219 		case LINKEVENT_MODULE_OPTICAL_LRM:
220 		case LINKEVENT_MODULE_OPTICAL_SFP_1G:
221 			cmd->base.port = PORT_FIBRE;
222 			break;
223 		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
224 		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
225 		case LINKEVENT_MODULE_TWINAX:
226 			cmd->base.port = PORT_TP;
227 			break;
228 		default:
229 			cmd->base.port = -1;
230 		}
231 	}
232 
233 	if (!netif_running(dev) || !adapter->ahw.linkup) {
234 		cmd->base.duplex = DUPLEX_UNKNOWN;
235 		cmd->base.speed = SPEED_UNKNOWN;
236 	}
237 
238 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
239 						supported);
240 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
241 						advertising);
242 
243 	return 0;
244 }
245 
246 static int
247 netxen_nic_set_link_ksettings(struct net_device *dev,
248 			      const struct ethtool_link_ksettings *cmd)
249 {
250 	struct netxen_adapter *adapter = netdev_priv(dev);
251 	u32 speed = cmd->base.speed;
252 	int ret;
253 
254 	if (adapter->ahw.port_type != NETXEN_NIC_GBE)
255 		return -EOPNOTSUPP;
256 
257 	if (!(adapter->capabilities & NX_FW_CAPABILITY_GBE_LINK_CFG))
258 		return -EOPNOTSUPP;
259 
260 	ret = nx_fw_cmd_set_gbe_port(adapter, speed, cmd->base.duplex,
261 				     cmd->base.autoneg);
262 	if (ret == NX_RCODE_NOT_SUPPORTED)
263 		return -EOPNOTSUPP;
264 	else if (ret)
265 		return -EIO;
266 
267 	adapter->link_speed = speed;
268 	adapter->link_duplex = cmd->base.duplex;
269 	adapter->link_autoneg = cmd->base.autoneg;
270 
271 	if (!netif_running(dev))
272 		return 0;
273 
274 	dev->netdev_ops->ndo_stop(dev);
275 	return dev->netdev_ops->ndo_open(dev);
276 }
277 
278 static int netxen_nic_get_regs_len(struct net_device *dev)
279 {
280 	return NETXEN_NIC_REGS_LEN;
281 }
282 
283 static void
284 netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
285 {
286 	struct netxen_adapter *adapter = netdev_priv(dev);
287 	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
288 	struct nx_host_sds_ring *sds_ring;
289 	u32 *regs_buff = p;
290 	int ring, i = 0;
291 	int port = adapter->physical_port;
292 
293 	memset(p, 0, NETXEN_NIC_REGS_LEN);
294 
295 	regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
296 	    (adapter->pdev)->device;
297 
298 	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
299 		return;
300 
301 	regs_buff[i++] = NXRD32(adapter, CRB_CMDPEG_STATE);
302 	regs_buff[i++] = NXRD32(adapter, CRB_RCVPEG_STATE);
303 	regs_buff[i++] = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
304 	regs_buff[i++] = NXRDIO(adapter, adapter->crb_int_state_reg);
305 	regs_buff[i++] = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
306 	regs_buff[i++] = NXRD32(adapter, NX_CRB_DEV_STATE);
307 	regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
308 	regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
309 	regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_HALT_STATUS2);
310 
311 	regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_0+0x3c);
312 	regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_1+0x3c);
313 	regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_2+0x3c);
314 	regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_3+0x3c);
315 
316 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
317 
318 		regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_4+0x3c);
319 		i += 2;
320 
321 		regs_buff[i++] = NXRD32(adapter, CRB_XG_STATE_P3);
322 		regs_buff[i++] = le32_to_cpu(*(adapter->tx_ring->hw_consumer));
323 
324 	} else {
325 		i++;
326 
327 		regs_buff[i++] = NXRD32(adapter,
328 					NETXEN_NIU_XGE_CONFIG_0+(0x10000*port));
329 		regs_buff[i++] = NXRD32(adapter,
330 					NETXEN_NIU_XGE_CONFIG_1+(0x10000*port));
331 
332 		regs_buff[i++] = NXRD32(adapter, CRB_XG_STATE);
333 		regs_buff[i++] = NXRDIO(adapter,
334 				 adapter->tx_ring->crb_cmd_consumer);
335 	}
336 
337 	regs_buff[i++] = NXRDIO(adapter, adapter->tx_ring->crb_cmd_producer);
338 
339 	regs_buff[i++] = NXRDIO(adapter,
340 			 recv_ctx->rds_rings[0].crb_rcv_producer);
341 	regs_buff[i++] = NXRDIO(adapter,
342 			 recv_ctx->rds_rings[1].crb_rcv_producer);
343 
344 	regs_buff[i++] = adapter->max_sds_rings;
345 
346 	for (ring = 0; ring < adapter->max_sds_rings; ring++) {
347 		sds_ring = &(recv_ctx->sds_rings[ring]);
348 		regs_buff[i++] = NXRDIO(adapter,
349 					sds_ring->crb_sts_consumer);
350 	}
351 }
352 
353 static u32 netxen_nic_test_link(struct net_device *dev)
354 {
355 	struct netxen_adapter *adapter = netdev_priv(dev);
356 	u32 val, port;
357 
358 	port = adapter->physical_port;
359 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
360 		val = NXRD32(adapter, CRB_XG_STATE_P3);
361 		val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
362 		return (val == XG_LINK_UP_P3) ? 0 : 1;
363 	} else {
364 		val = NXRD32(adapter, CRB_XG_STATE);
365 		val = (val >> port*8) & 0xff;
366 		return (val == XG_LINK_UP) ? 0 : 1;
367 	}
368 }
369 
370 static int
371 netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
372 		      u8 *bytes)
373 {
374 	struct netxen_adapter *adapter = netdev_priv(dev);
375 	int offset;
376 	int ret;
377 
378 	if (eeprom->len == 0)
379 		return -EINVAL;
380 
381 	eeprom->magic = (adapter->pdev)->vendor |
382 			((adapter->pdev)->device << 16);
383 	offset = eeprom->offset;
384 
385 	ret = netxen_rom_fast_read_words(adapter, offset, bytes,
386 						eeprom->len);
387 	if (ret < 0)
388 		return ret;
389 
390 	return 0;
391 }
392 
393 static void
394 netxen_nic_get_ringparam(struct net_device *dev,
395 		struct ethtool_ringparam *ring)
396 {
397 	struct netxen_adapter *adapter = netdev_priv(dev);
398 
399 	ring->rx_pending = adapter->num_rxd;
400 	ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
401 	ring->rx_jumbo_pending += adapter->num_lro_rxd;
402 	ring->tx_pending = adapter->num_txd;
403 
404 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
405 		ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
406 		ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_1G;
407 	} else {
408 		ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
409 		ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_10G;
410 	}
411 
412 	ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
413 }
414 
415 static u32
416 netxen_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
417 {
418 	u32 num_desc;
419 	num_desc = max(val, min);
420 	num_desc = min(num_desc, max);
421 	num_desc = roundup_pow_of_two(num_desc);
422 
423 	if (val != num_desc) {
424 		printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
425 		       netxen_nic_driver_name, r_name, num_desc, val);
426 	}
427 
428 	return num_desc;
429 }
430 
431 static int
432 netxen_nic_set_ringparam(struct net_device *dev,
433 		struct ethtool_ringparam *ring)
434 {
435 	struct netxen_adapter *adapter = netdev_priv(dev);
436 	u16 max_rcv_desc = MAX_RCV_DESCRIPTORS_10G;
437 	u16 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
438 	u16 num_rxd, num_jumbo_rxd, num_txd;
439 
440 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
441 		return -EOPNOTSUPP;
442 
443 	if (ring->rx_mini_pending)
444 		return -EOPNOTSUPP;
445 
446 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
447 		max_rcv_desc = MAX_RCV_DESCRIPTORS_1G;
448 		max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
449 	}
450 
451 	num_rxd = netxen_validate_ringparam(ring->rx_pending,
452 			MIN_RCV_DESCRIPTORS, max_rcv_desc, "rx");
453 
454 	num_jumbo_rxd = netxen_validate_ringparam(ring->rx_jumbo_pending,
455 			MIN_JUMBO_DESCRIPTORS, max_jumbo_desc, "rx jumbo");
456 
457 	num_txd = netxen_validate_ringparam(ring->tx_pending,
458 			MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
459 
460 	if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
461 			num_jumbo_rxd == adapter->num_jumbo_rxd)
462 		return 0;
463 
464 	adapter->num_rxd = num_rxd;
465 	adapter->num_jumbo_rxd = num_jumbo_rxd;
466 	adapter->num_txd = num_txd;
467 
468 	return netxen_nic_reset_context(adapter);
469 }
470 
471 static void
472 netxen_nic_get_pauseparam(struct net_device *dev,
473 			  struct ethtool_pauseparam *pause)
474 {
475 	struct netxen_adapter *adapter = netdev_priv(dev);
476 	__u32 val;
477 	int port = adapter->physical_port;
478 
479 	pause->autoneg = 0;
480 
481 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
482 		if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
483 			return;
484 		/* get flow control settings */
485 		val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
486 		pause->rx_pause = netxen_gb_get_rx_flowctl(val);
487 		val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
488 		switch (port) {
489 		case 0:
490 			pause->tx_pause = !(netxen_gb_get_gb0_mask(val));
491 			break;
492 		case 1:
493 			pause->tx_pause = !(netxen_gb_get_gb1_mask(val));
494 			break;
495 		case 2:
496 			pause->tx_pause = !(netxen_gb_get_gb2_mask(val));
497 			break;
498 		case 3:
499 		default:
500 			pause->tx_pause = !(netxen_gb_get_gb3_mask(val));
501 			break;
502 		}
503 	} else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
504 		if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
505 			return;
506 		pause->rx_pause = 1;
507 		val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
508 		if (port == 0)
509 			pause->tx_pause = !(netxen_xg_get_xg0_mask(val));
510 		else
511 			pause->tx_pause = !(netxen_xg_get_xg1_mask(val));
512 	} else {
513 		printk(KERN_ERR"%s: Unknown board type: %x\n",
514 				netxen_nic_driver_name, adapter->ahw.port_type);
515 	}
516 }
517 
518 static int
519 netxen_nic_set_pauseparam(struct net_device *dev,
520 			  struct ethtool_pauseparam *pause)
521 {
522 	struct netxen_adapter *adapter = netdev_priv(dev);
523 	__u32 val;
524 	int port = adapter->physical_port;
525 
526 	/* not supported */
527 	if (pause->autoneg)
528 		return -EINVAL;
529 
530 	/* read mode */
531 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
532 		if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
533 			return -EIO;
534 		/* set flow control */
535 		val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
536 
537 		if (pause->rx_pause)
538 			netxen_gb_rx_flowctl(val);
539 		else
540 			netxen_gb_unset_rx_flowctl(val);
541 
542 		NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
543 				val);
544 		/* set autoneg */
545 		val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
546 		switch (port) {
547 		case 0:
548 			if (pause->tx_pause)
549 				netxen_gb_unset_gb0_mask(val);
550 			else
551 				netxen_gb_set_gb0_mask(val);
552 			break;
553 		case 1:
554 			if (pause->tx_pause)
555 				netxen_gb_unset_gb1_mask(val);
556 			else
557 				netxen_gb_set_gb1_mask(val);
558 			break;
559 		case 2:
560 			if (pause->tx_pause)
561 				netxen_gb_unset_gb2_mask(val);
562 			else
563 				netxen_gb_set_gb2_mask(val);
564 			break;
565 		case 3:
566 		default:
567 			if (pause->tx_pause)
568 				netxen_gb_unset_gb3_mask(val);
569 			else
570 				netxen_gb_set_gb3_mask(val);
571 			break;
572 		}
573 		NXWR32(adapter, NETXEN_NIU_GB_PAUSE_CTL, val);
574 	} else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
575 		if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
576 			return -EIO;
577 		val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
578 		if (port == 0) {
579 			if (pause->tx_pause)
580 				netxen_xg_unset_xg0_mask(val);
581 			else
582 				netxen_xg_set_xg0_mask(val);
583 		} else {
584 			if (pause->tx_pause)
585 				netxen_xg_unset_xg1_mask(val);
586 			else
587 				netxen_xg_set_xg1_mask(val);
588 		}
589 		NXWR32(adapter, NETXEN_NIU_XG_PAUSE_CTL, val);
590 	} else {
591 		printk(KERN_ERR "%s: Unknown board type: %x\n",
592 				netxen_nic_driver_name,
593 				adapter->ahw.port_type);
594 	}
595 	return 0;
596 }
597 
598 static int netxen_nic_reg_test(struct net_device *dev)
599 {
600 	struct netxen_adapter *adapter = netdev_priv(dev);
601 	u32 data_read, data_written;
602 
603 	data_read = NXRD32(adapter, NETXEN_PCIX_PH_REG(0));
604 	if ((data_read & 0xffff) != adapter->pdev->vendor)
605 		return 1;
606 
607 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
608 		return 0;
609 
610 	data_written = (u32)0xa5a5a5a5;
611 
612 	NXWR32(adapter, CRB_SCRATCHPAD_TEST, data_written);
613 	data_read = NXRD32(adapter, CRB_SCRATCHPAD_TEST);
614 	if (data_written != data_read)
615 		return 1;
616 
617 	return 0;
618 }
619 
620 static int netxen_get_sset_count(struct net_device *dev, int sset)
621 {
622 	switch (sset) {
623 	case ETH_SS_TEST:
624 		return NETXEN_NIC_TEST_LEN;
625 	case ETH_SS_STATS:
626 		return NETXEN_NIC_STATS_LEN;
627 	default:
628 		return -EOPNOTSUPP;
629 	}
630 }
631 
632 static void
633 netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
634 		     u64 *data)
635 {
636 	memset(data, 0, sizeof(uint64_t) * NETXEN_NIC_TEST_LEN);
637 	if ((data[0] = netxen_nic_reg_test(dev)))
638 		eth_test->flags |= ETH_TEST_FL_FAILED;
639 	/* link test */
640 	if ((data[1] = (u64) netxen_nic_test_link(dev)))
641 		eth_test->flags |= ETH_TEST_FL_FAILED;
642 }
643 
644 static void
645 netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
646 {
647 	int index;
648 
649 	switch (stringset) {
650 	case ETH_SS_TEST:
651 		memcpy(data, *netxen_nic_gstrings_test,
652 		       NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
653 		break;
654 	case ETH_SS_STATS:
655 		for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
656 			memcpy(data + index * ETH_GSTRING_LEN,
657 			       netxen_nic_gstrings_stats[index].stat_string,
658 			       ETH_GSTRING_LEN);
659 		}
660 		break;
661 	}
662 }
663 
664 static void
665 netxen_nic_get_ethtool_stats(struct net_device *dev,
666 			     struct ethtool_stats *stats, u64 *data)
667 {
668 	struct netxen_adapter *adapter = netdev_priv(dev);
669 	int index;
670 
671 	for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
672 		char *p =
673 		    (char *)adapter +
674 		    netxen_nic_gstrings_stats[index].stat_offset;
675 		data[index] =
676 		    (netxen_nic_gstrings_stats[index].sizeof_stat ==
677 		     sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
678 	}
679 }
680 
681 static void
682 netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
683 {
684 	struct netxen_adapter *adapter = netdev_priv(dev);
685 	u32 wol_cfg = 0;
686 
687 	wol->supported = 0;
688 	wol->wolopts = 0;
689 
690 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
691 		return;
692 
693 	wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
694 	if (wol_cfg & (1UL << adapter->portnum))
695 		wol->supported |= WAKE_MAGIC;
696 
697 	wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
698 	if (wol_cfg & (1UL << adapter->portnum))
699 		wol->wolopts |= WAKE_MAGIC;
700 }
701 
702 static int
703 netxen_nic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
704 {
705 	struct netxen_adapter *adapter = netdev_priv(dev);
706 	u32 wol_cfg = 0;
707 
708 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
709 		return -EOPNOTSUPP;
710 
711 	if (wol->wolopts & ~WAKE_MAGIC)
712 		return -EOPNOTSUPP;
713 
714 	wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
715 	if (!(wol_cfg & (1 << adapter->portnum)))
716 		return -EOPNOTSUPP;
717 
718 	wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
719 	if (wol->wolopts & WAKE_MAGIC)
720 		wol_cfg |= 1UL << adapter->portnum;
721 	else
722 		wol_cfg &= ~(1UL << adapter->portnum);
723 	NXWR32(adapter, NETXEN_WOL_CONFIG, wol_cfg);
724 
725 	return 0;
726 }
727 
728 /*
729  * Set the coalescing parameters. Currently only normal is supported.
730  * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
731  * firmware coalescing to default.
732  */
733 static int netxen_set_intr_coalesce(struct net_device *netdev,
734 			struct ethtool_coalesce *ethcoal)
735 {
736 	struct netxen_adapter *adapter = netdev_priv(netdev);
737 
738 	if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
739 		return -EINVAL;
740 
741 	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
742 		return -EINVAL;
743 
744 	/*
745 	* Return Error if unsupported values or
746 	* unsupported parameters are set.
747 	*/
748 	if (ethcoal->rx_coalesce_usecs > 0xffff ||
749 		ethcoal->rx_max_coalesced_frames > 0xffff ||
750 		ethcoal->tx_coalesce_usecs > 0xffff ||
751 		ethcoal->tx_max_coalesced_frames > 0xffff)
752 		return -EINVAL;
753 
754 	if (!ethcoal->rx_coalesce_usecs ||
755 		!ethcoal->rx_max_coalesced_frames) {
756 		adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
757 		adapter->coal.normal.data.rx_time_us =
758 			NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
759 		adapter->coal.normal.data.rx_packets =
760 			NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
761 	} else {
762 		adapter->coal.flags = 0;
763 		adapter->coal.normal.data.rx_time_us =
764 		ethcoal->rx_coalesce_usecs;
765 		adapter->coal.normal.data.rx_packets =
766 		ethcoal->rx_max_coalesced_frames;
767 	}
768 	adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
769 	adapter->coal.normal.data.tx_packets =
770 	ethcoal->tx_max_coalesced_frames;
771 
772 	netxen_config_intr_coalesce(adapter);
773 
774 	return 0;
775 }
776 
777 static int netxen_get_intr_coalesce(struct net_device *netdev,
778 			struct ethtool_coalesce *ethcoal)
779 {
780 	struct netxen_adapter *adapter = netdev_priv(netdev);
781 
782 	if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
783 		return -EINVAL;
784 
785 	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
786 		return -EINVAL;
787 
788 	ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
789 	ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
790 	ethcoal->rx_max_coalesced_frames =
791 		adapter->coal.normal.data.rx_packets;
792 	ethcoal->tx_max_coalesced_frames =
793 		adapter->coal.normal.data.tx_packets;
794 
795 	return 0;
796 }
797 
798 static int
799 netxen_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
800 {
801 	struct netxen_adapter *adapter = netdev_priv(netdev);
802 	struct netxen_minidump *mdump = &adapter->mdump;
803 	if (adapter->fw_mdump_rdy)
804 		dump->len = mdump->md_dump_size;
805 	else
806 		dump->len = 0;
807 
808 	if (!mdump->md_enabled)
809 		dump->flag = ETH_FW_DUMP_DISABLE;
810 	else
811 		dump->flag = mdump->md_capture_mask;
812 
813 	dump->version = adapter->fw_version;
814 	return 0;
815 }
816 
817 static int
818 netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val)
819 {
820 	int i;
821 	struct netxen_adapter *adapter = netdev_priv(netdev);
822 	struct netxen_minidump *mdump = &adapter->mdump;
823 
824 	switch (val->flag) {
825 	case NX_FORCE_FW_DUMP_KEY:
826 		if (!mdump->md_enabled) {
827 			netdev_info(netdev, "FW dump not enabled\n");
828 			return 0;
829 		}
830 		if (adapter->fw_mdump_rdy) {
831 			netdev_info(netdev, "Previous dump not cleared, not forcing dump\n");
832 			return 0;
833 		}
834 		netdev_info(netdev, "Forcing a fw dump\n");
835 		nx_dev_request_reset(adapter);
836 		break;
837 	case NX_DISABLE_FW_DUMP:
838 		if (mdump->md_enabled) {
839 			netdev_info(netdev, "Disabling FW Dump\n");
840 			mdump->md_enabled = 0;
841 		}
842 		break;
843 	case NX_ENABLE_FW_DUMP:
844 		if (!mdump->md_enabled) {
845 			netdev_info(netdev, "Enabling FW dump\n");
846 			mdump->md_enabled = 1;
847 		}
848 		break;
849 	case NX_FORCE_FW_RESET:
850 		netdev_info(netdev, "Forcing FW reset\n");
851 		nx_dev_request_reset(adapter);
852 		adapter->flags &= ~NETXEN_FW_RESET_OWNER;
853 		break;
854 	default:
855 		for (i = 0; i < ARRAY_SIZE(FW_DUMP_LEVELS); i++) {
856 			if (val->flag == FW_DUMP_LEVELS[i]) {
857 				mdump->md_capture_mask = val->flag;
858 				netdev_info(netdev,
859 					"Driver mask changed to: 0x%x\n",
860 					mdump->md_capture_mask);
861 				return 0;
862 			}
863 		}
864 		netdev_info(netdev,
865 			"Invalid dump level: 0x%x\n", val->flag);
866 		return -EINVAL;
867 	}
868 
869 	return 0;
870 }
871 
872 static int
873 netxen_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
874 			void *buffer)
875 {
876 	int i, copy_sz;
877 	u32 *hdr_ptr, *data;
878 	struct netxen_adapter *adapter = netdev_priv(netdev);
879 	struct netxen_minidump *mdump = &adapter->mdump;
880 
881 
882 	if (!adapter->fw_mdump_rdy) {
883 		netdev_info(netdev, "Dump not available\n");
884 		return -EINVAL;
885 	}
886 	/* Copy template header first */
887 	copy_sz = mdump->md_template_size;
888 	hdr_ptr = (u32 *) mdump->md_template;
889 	data = buffer;
890 	for (i = 0; i < copy_sz/sizeof(u32); i++)
891 		*data++ = cpu_to_le32(*hdr_ptr++);
892 
893 	/* Copy captured dump data */
894 	memcpy(buffer + copy_sz,
895 		mdump->md_capture_buff + mdump->md_template_size,
896 			mdump->md_capture_size);
897 	dump->len = copy_sz + mdump->md_capture_size;
898 	dump->flag = mdump->md_capture_mask;
899 
900 	/* Free dump area once data has been captured */
901 	vfree(mdump->md_capture_buff);
902 	mdump->md_capture_buff = NULL;
903 	adapter->fw_mdump_rdy = 0;
904 	netdev_info(netdev, "extracted the fw dump Successfully\n");
905 	return 0;
906 }
907 
908 const struct ethtool_ops netxen_nic_ethtool_ops = {
909 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
910 				     ETHTOOL_COALESCE_MAX_FRAMES,
911 	.get_drvinfo = netxen_nic_get_drvinfo,
912 	.get_regs_len = netxen_nic_get_regs_len,
913 	.get_regs = netxen_nic_get_regs,
914 	.get_link = ethtool_op_get_link,
915 	.get_eeprom_len = netxen_nic_get_eeprom_len,
916 	.get_eeprom = netxen_nic_get_eeprom,
917 	.get_ringparam = netxen_nic_get_ringparam,
918 	.set_ringparam = netxen_nic_set_ringparam,
919 	.get_pauseparam = netxen_nic_get_pauseparam,
920 	.set_pauseparam = netxen_nic_set_pauseparam,
921 	.get_wol = netxen_nic_get_wol,
922 	.set_wol = netxen_nic_set_wol,
923 	.self_test = netxen_nic_diag_test,
924 	.get_strings = netxen_nic_get_strings,
925 	.get_ethtool_stats = netxen_nic_get_ethtool_stats,
926 	.get_sset_count = netxen_get_sset_count,
927 	.get_coalesce = netxen_get_intr_coalesce,
928 	.set_coalesce = netxen_set_intr_coalesce,
929 	.get_dump_flag = netxen_get_dump_flag,
930 	.get_dump_data = netxen_get_dump_data,
931 	.set_dump = netxen_set_dump,
932 	.get_link_ksettings = netxen_nic_get_link_ksettings,
933 	.set_link_ksettings = netxen_nic_set_link_ksettings,
934 };
935