xref: /linux/drivers/net/ethernet/qlogic/netxen/netxen_nic_ethtool.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Copyright (C) 2003 - 2009 NetXen, Inc.
3  * Copyright (C) 2009 - QLogic Corporation.
4  * All rights reserved.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
18  *
19  * The full GNU General Public License is included in this distribution
20  * in the file called "COPYING".
21  *
22  */
23 
24 #include <linux/types.h>
25 #include <linux/delay.h>
26 #include <linux/pci.h>
27 #include <asm/io.h>
28 #include <linux/netdevice.h>
29 #include <linux/ethtool.h>
30 
31 #include "netxen_nic.h"
32 #include "netxen_nic_hw.h"
33 
34 struct netxen_nic_stats {
35 	char stat_string[ETH_GSTRING_LEN];
36 	int sizeof_stat;
37 	int stat_offset;
38 };
39 
40 #define NETXEN_NIC_STAT(m) sizeof(((struct netxen_adapter *)0)->m), \
41 			offsetof(struct netxen_adapter, m)
42 
43 #define NETXEN_NIC_PORT_WINDOW 0x10000
44 #define NETXEN_NIC_INVALID_DATA 0xDEADBEEF
45 
46 static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
47 	{"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
48 	{"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
49 	{"rx_dropped", NETXEN_NIC_STAT(stats.rxdropped)},
50 	{"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
51 	{"csummed", NETXEN_NIC_STAT(stats.csummed)},
52 	{"rx_pkts", NETXEN_NIC_STAT(stats.rx_pkts)},
53 	{"lro_pkts", NETXEN_NIC_STAT(stats.lro_pkts)},
54 	{"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
55 	{"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
56 };
57 
58 #define NETXEN_NIC_STATS_LEN	ARRAY_SIZE(netxen_nic_gstrings_stats)
59 
60 static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
61 	"Register_Test_on_offline",
62 	"Link_Test_on_offline"
63 };
64 
65 #define NETXEN_NIC_TEST_LEN	ARRAY_SIZE(netxen_nic_gstrings_test)
66 
67 #define NETXEN_NIC_REGS_COUNT 30
68 #define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
69 #define NETXEN_MAX_EEPROM_LEN   1024
70 
71 static int netxen_nic_get_eeprom_len(struct net_device *dev)
72 {
73 	return NETXEN_FLASH_TOTAL_SIZE;
74 }
75 
76 static void
77 netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
78 {
79 	struct netxen_adapter *adapter = netdev_priv(dev);
80 	u32 fw_major = 0;
81 	u32 fw_minor = 0;
82 	u32 fw_build = 0;
83 
84 	strlcpy(drvinfo->driver, netxen_nic_driver_name,
85 		sizeof(drvinfo->driver));
86 	strlcpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID,
87 		sizeof(drvinfo->version));
88 	fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
89 	fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
90 	fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
91 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
92 		"%d.%d.%d", fw_major, fw_minor, fw_build);
93 
94 	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
95 		sizeof(drvinfo->bus_info));
96 	drvinfo->regdump_len = NETXEN_NIC_REGS_LEN;
97 	drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev);
98 }
99 
100 static int
101 netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
102 {
103 	struct netxen_adapter *adapter = netdev_priv(dev);
104 	int check_sfp_module = 0;
105 
106 	/* read which mode */
107 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
108 		ecmd->supported = (SUPPORTED_10baseT_Half |
109 				   SUPPORTED_10baseT_Full |
110 				   SUPPORTED_100baseT_Half |
111 				   SUPPORTED_100baseT_Full |
112 				   SUPPORTED_1000baseT_Half |
113 				   SUPPORTED_1000baseT_Full);
114 
115 		ecmd->advertising = (ADVERTISED_100baseT_Half |
116 				     ADVERTISED_100baseT_Full |
117 				     ADVERTISED_1000baseT_Half |
118 				     ADVERTISED_1000baseT_Full);
119 
120 		ecmd->port = PORT_TP;
121 
122 		ethtool_cmd_speed_set(ecmd, adapter->link_speed);
123 		ecmd->duplex = adapter->link_duplex;
124 		ecmd->autoneg = adapter->link_autoneg;
125 
126 	} else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
127 		u32 val;
128 
129 		val = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
130 		if (val == NETXEN_PORT_MODE_802_3_AP) {
131 			ecmd->supported = SUPPORTED_1000baseT_Full;
132 			ecmd->advertising = ADVERTISED_1000baseT_Full;
133 		} else {
134 			ecmd->supported = SUPPORTED_10000baseT_Full;
135 			ecmd->advertising = ADVERTISED_10000baseT_Full;
136 		}
137 
138 		if (netif_running(dev) && adapter->has_link_events) {
139 			ethtool_cmd_speed_set(ecmd, adapter->link_speed);
140 			ecmd->autoneg = adapter->link_autoneg;
141 			ecmd->duplex = adapter->link_duplex;
142 			goto skip;
143 		}
144 
145 		ecmd->port = PORT_TP;
146 
147 		if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
148 			u16 pcifn = adapter->ahw.pci_func;
149 
150 			val = NXRD32(adapter, P3_LINK_SPEED_REG(pcifn));
151 			ethtool_cmd_speed_set(ecmd, P3_LINK_SPEED_MHZ *
152 					      P3_LINK_SPEED_VAL(pcifn, val));
153 		} else
154 			ethtool_cmd_speed_set(ecmd, SPEED_10000);
155 
156 		ecmd->duplex = DUPLEX_FULL;
157 		ecmd->autoneg = AUTONEG_DISABLE;
158 	} else
159 		return -EIO;
160 
161 skip:
162 	ecmd->phy_address = adapter->physical_port;
163 	ecmd->transceiver = XCVR_EXTERNAL;
164 
165 	switch (adapter->ahw.board_type) {
166 	case NETXEN_BRDTYPE_P2_SB35_4G:
167 	case NETXEN_BRDTYPE_P2_SB31_2G:
168 	case NETXEN_BRDTYPE_P3_REF_QG:
169 	case NETXEN_BRDTYPE_P3_4_GB:
170 	case NETXEN_BRDTYPE_P3_4_GB_MM:
171 
172 		ecmd->supported |= SUPPORTED_Autoneg;
173 		ecmd->advertising |= ADVERTISED_Autoneg;
174 	case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
175 	case NETXEN_BRDTYPE_P3_10G_CX4:
176 	case NETXEN_BRDTYPE_P3_10G_CX4_LP:
177 	case NETXEN_BRDTYPE_P3_10000_BASE_T:
178 		ecmd->supported |= SUPPORTED_TP;
179 		ecmd->advertising |= ADVERTISED_TP;
180 		ecmd->port = PORT_TP;
181 		ecmd->autoneg = (adapter->ahw.board_type ==
182 				 NETXEN_BRDTYPE_P2_SB31_10G_CX4) ?
183 		    (AUTONEG_DISABLE) : (adapter->link_autoneg);
184 		break;
185 	case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
186 	case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
187 	case NETXEN_BRDTYPE_P3_IMEZ:
188 	case NETXEN_BRDTYPE_P3_XG_LOM:
189 	case NETXEN_BRDTYPE_P3_HMEZ:
190 		ecmd->supported |= SUPPORTED_MII;
191 		ecmd->advertising |= ADVERTISED_MII;
192 		ecmd->port = PORT_MII;
193 		ecmd->autoneg = AUTONEG_DISABLE;
194 		break;
195 	case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
196 	case NETXEN_BRDTYPE_P3_10G_SFP_CT:
197 	case NETXEN_BRDTYPE_P3_10G_SFP_QT:
198 		ecmd->advertising |= ADVERTISED_TP;
199 		ecmd->supported |= SUPPORTED_TP;
200 		check_sfp_module = netif_running(dev) &&
201 			adapter->has_link_events;
202 	case NETXEN_BRDTYPE_P2_SB31_10G:
203 	case NETXEN_BRDTYPE_P3_10G_XFP:
204 		ecmd->supported |= SUPPORTED_FIBRE;
205 		ecmd->advertising |= ADVERTISED_FIBRE;
206 		ecmd->port = PORT_FIBRE;
207 		ecmd->autoneg = AUTONEG_DISABLE;
208 		break;
209 	case NETXEN_BRDTYPE_P3_10G_TP:
210 		if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
211 			ecmd->autoneg = AUTONEG_DISABLE;
212 			ecmd->supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
213 			ecmd->advertising |=
214 				(ADVERTISED_FIBRE | ADVERTISED_TP);
215 			ecmd->port = PORT_FIBRE;
216 			check_sfp_module = netif_running(dev) &&
217 				adapter->has_link_events;
218 		} else {
219 			ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
220 			ecmd->advertising |=
221 				(ADVERTISED_TP | ADVERTISED_Autoneg);
222 			ecmd->port = PORT_TP;
223 		}
224 		break;
225 	default:
226 		printk(KERN_ERR "netxen-nic: Unsupported board model %d\n",
227 				adapter->ahw.board_type);
228 		return -EIO;
229 	}
230 
231 	if (check_sfp_module) {
232 		switch (adapter->module_type) {
233 		case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
234 		case LINKEVENT_MODULE_OPTICAL_SRLR:
235 		case LINKEVENT_MODULE_OPTICAL_LRM:
236 		case LINKEVENT_MODULE_OPTICAL_SFP_1G:
237 			ecmd->port = PORT_FIBRE;
238 			break;
239 		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
240 		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
241 		case LINKEVENT_MODULE_TWINAX:
242 			ecmd->port = PORT_TP;
243 			break;
244 		default:
245 			ecmd->port = -1;
246 		}
247 	}
248 
249 	if (!netif_running(dev) || !adapter->ahw.linkup) {
250 		ecmd->duplex = DUPLEX_UNKNOWN;
251 		ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
252 	}
253 
254 	return 0;
255 }
256 
257 static int
258 netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
259 {
260 	struct netxen_adapter *adapter = netdev_priv(dev);
261 	u32 speed = ethtool_cmd_speed(ecmd);
262 	int ret;
263 
264 	if (adapter->ahw.port_type != NETXEN_NIC_GBE)
265 		return -EOPNOTSUPP;
266 
267 	if (!(adapter->capabilities & NX_FW_CAPABILITY_GBE_LINK_CFG))
268 		return -EOPNOTSUPP;
269 
270 	ret = nx_fw_cmd_set_gbe_port(adapter, speed, ecmd->duplex,
271 				     ecmd->autoneg);
272 	if (ret == NX_RCODE_NOT_SUPPORTED)
273 		return -EOPNOTSUPP;
274 	else if (ret)
275 		return -EIO;
276 
277 	adapter->link_speed = speed;
278 	adapter->link_duplex = ecmd->duplex;
279 	adapter->link_autoneg = ecmd->autoneg;
280 
281 	if (!netif_running(dev))
282 		return 0;
283 
284 	dev->netdev_ops->ndo_stop(dev);
285 	return dev->netdev_ops->ndo_open(dev);
286 }
287 
288 static int netxen_nic_get_regs_len(struct net_device *dev)
289 {
290 	return NETXEN_NIC_REGS_LEN;
291 }
292 
293 static void
294 netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
295 {
296 	struct netxen_adapter *adapter = netdev_priv(dev);
297 	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
298 	struct nx_host_sds_ring *sds_ring;
299 	u32 *regs_buff = p;
300 	int ring, i = 0;
301 	int port = adapter->physical_port;
302 
303 	memset(p, 0, NETXEN_NIC_REGS_LEN);
304 
305 	regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
306 	    (adapter->pdev)->device;
307 
308 	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
309 		return;
310 
311 	regs_buff[i++] = NXRD32(adapter, CRB_CMDPEG_STATE);
312 	regs_buff[i++] = NXRD32(adapter, CRB_RCVPEG_STATE);
313 	regs_buff[i++] = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
314 	regs_buff[i++] = NXRDIO(adapter, adapter->crb_int_state_reg);
315 	regs_buff[i++] = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
316 	regs_buff[i++] = NXRD32(adapter, NX_CRB_DEV_STATE);
317 	regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
318 	regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
319 	regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_HALT_STATUS2);
320 
321 	regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_0+0x3c);
322 	regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_1+0x3c);
323 	regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_2+0x3c);
324 	regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_3+0x3c);
325 
326 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
327 
328 		regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_4+0x3c);
329 		i += 2;
330 
331 		regs_buff[i++] = NXRD32(adapter, CRB_XG_STATE_P3);
332 		regs_buff[i++] = le32_to_cpu(*(adapter->tx_ring->hw_consumer));
333 
334 	} else {
335 		i++;
336 
337 		regs_buff[i++] = NXRD32(adapter,
338 					NETXEN_NIU_XGE_CONFIG_0+(0x10000*port));
339 		regs_buff[i++] = NXRD32(adapter,
340 					NETXEN_NIU_XGE_CONFIG_1+(0x10000*port));
341 
342 		regs_buff[i++] = NXRD32(adapter, CRB_XG_STATE);
343 		regs_buff[i++] = NXRDIO(adapter,
344 				 adapter->tx_ring->crb_cmd_consumer);
345 	}
346 
347 	regs_buff[i++] = NXRDIO(adapter, adapter->tx_ring->crb_cmd_producer);
348 
349 	regs_buff[i++] = NXRDIO(adapter,
350 			 recv_ctx->rds_rings[0].crb_rcv_producer);
351 	regs_buff[i++] = NXRDIO(adapter,
352 			 recv_ctx->rds_rings[1].crb_rcv_producer);
353 
354 	regs_buff[i++] = adapter->max_sds_rings;
355 
356 	for (ring = 0; ring < adapter->max_sds_rings; ring++) {
357 		sds_ring = &(recv_ctx->sds_rings[ring]);
358 		regs_buff[i++] = NXRDIO(adapter,
359 					sds_ring->crb_sts_consumer);
360 	}
361 }
362 
363 static u32 netxen_nic_test_link(struct net_device *dev)
364 {
365 	struct netxen_adapter *adapter = netdev_priv(dev);
366 	u32 val, port;
367 
368 	port = adapter->physical_port;
369 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
370 		val = NXRD32(adapter, CRB_XG_STATE_P3);
371 		val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
372 		return (val == XG_LINK_UP_P3) ? 0 : 1;
373 	} else {
374 		val = NXRD32(adapter, CRB_XG_STATE);
375 		val = (val >> port*8) & 0xff;
376 		return (val == XG_LINK_UP) ? 0 : 1;
377 	}
378 }
379 
380 static int
381 netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
382 		      u8 *bytes)
383 {
384 	struct netxen_adapter *adapter = netdev_priv(dev);
385 	int offset;
386 	int ret;
387 
388 	if (eeprom->len == 0)
389 		return -EINVAL;
390 
391 	eeprom->magic = (adapter->pdev)->vendor |
392 			((adapter->pdev)->device << 16);
393 	offset = eeprom->offset;
394 
395 	ret = netxen_rom_fast_read_words(adapter, offset, bytes,
396 						eeprom->len);
397 	if (ret < 0)
398 		return ret;
399 
400 	return 0;
401 }
402 
403 static void
404 netxen_nic_get_ringparam(struct net_device *dev,
405 		struct ethtool_ringparam *ring)
406 {
407 	struct netxen_adapter *adapter = netdev_priv(dev);
408 
409 	ring->rx_pending = adapter->num_rxd;
410 	ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
411 	ring->rx_jumbo_pending += adapter->num_lro_rxd;
412 	ring->tx_pending = adapter->num_txd;
413 
414 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
415 		ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
416 		ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_1G;
417 	} else {
418 		ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
419 		ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_10G;
420 	}
421 
422 	ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
423 }
424 
425 static u32
426 netxen_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
427 {
428 	u32 num_desc;
429 	num_desc = max(val, min);
430 	num_desc = min(num_desc, max);
431 	num_desc = roundup_pow_of_two(num_desc);
432 
433 	if (val != num_desc) {
434 		printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
435 		       netxen_nic_driver_name, r_name, num_desc, val);
436 	}
437 
438 	return num_desc;
439 }
440 
441 static int
442 netxen_nic_set_ringparam(struct net_device *dev,
443 		struct ethtool_ringparam *ring)
444 {
445 	struct netxen_adapter *adapter = netdev_priv(dev);
446 	u16 max_rcv_desc = MAX_RCV_DESCRIPTORS_10G;
447 	u16 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
448 	u16 num_rxd, num_jumbo_rxd, num_txd;
449 
450 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
451 		return -EOPNOTSUPP;
452 
453 	if (ring->rx_mini_pending)
454 		return -EOPNOTSUPP;
455 
456 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
457 		max_rcv_desc = MAX_RCV_DESCRIPTORS_1G;
458 		max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
459 	}
460 
461 	num_rxd = netxen_validate_ringparam(ring->rx_pending,
462 			MIN_RCV_DESCRIPTORS, max_rcv_desc, "rx");
463 
464 	num_jumbo_rxd = netxen_validate_ringparam(ring->rx_jumbo_pending,
465 			MIN_JUMBO_DESCRIPTORS, max_jumbo_desc, "rx jumbo");
466 
467 	num_txd = netxen_validate_ringparam(ring->tx_pending,
468 			MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
469 
470 	if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
471 			num_jumbo_rxd == adapter->num_jumbo_rxd)
472 		return 0;
473 
474 	adapter->num_rxd = num_rxd;
475 	adapter->num_jumbo_rxd = num_jumbo_rxd;
476 	adapter->num_txd = num_txd;
477 
478 	return netxen_nic_reset_context(adapter);
479 }
480 
481 static void
482 netxen_nic_get_pauseparam(struct net_device *dev,
483 			  struct ethtool_pauseparam *pause)
484 {
485 	struct netxen_adapter *adapter = netdev_priv(dev);
486 	__u32 val;
487 	int port = adapter->physical_port;
488 
489 	pause->autoneg = 0;
490 
491 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
492 		if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
493 			return;
494 		/* get flow control settings */
495 		val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
496 		pause->rx_pause = netxen_gb_get_rx_flowctl(val);
497 		val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
498 		switch (port) {
499 		case 0:
500 			pause->tx_pause = !(netxen_gb_get_gb0_mask(val));
501 			break;
502 		case 1:
503 			pause->tx_pause = !(netxen_gb_get_gb1_mask(val));
504 			break;
505 		case 2:
506 			pause->tx_pause = !(netxen_gb_get_gb2_mask(val));
507 			break;
508 		case 3:
509 		default:
510 			pause->tx_pause = !(netxen_gb_get_gb3_mask(val));
511 			break;
512 		}
513 	} else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
514 		if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
515 			return;
516 		pause->rx_pause = 1;
517 		val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
518 		if (port == 0)
519 			pause->tx_pause = !(netxen_xg_get_xg0_mask(val));
520 		else
521 			pause->tx_pause = !(netxen_xg_get_xg1_mask(val));
522 	} else {
523 		printk(KERN_ERR"%s: Unknown board type: %x\n",
524 				netxen_nic_driver_name, adapter->ahw.port_type);
525 	}
526 }
527 
528 static int
529 netxen_nic_set_pauseparam(struct net_device *dev,
530 			  struct ethtool_pauseparam *pause)
531 {
532 	struct netxen_adapter *adapter = netdev_priv(dev);
533 	__u32 val;
534 	int port = adapter->physical_port;
535 
536 	/* not supported */
537 	if (pause->autoneg)
538 		return -EINVAL;
539 
540 	/* read mode */
541 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
542 		if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
543 			return -EIO;
544 		/* set flow control */
545 		val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
546 
547 		if (pause->rx_pause)
548 			netxen_gb_rx_flowctl(val);
549 		else
550 			netxen_gb_unset_rx_flowctl(val);
551 
552 		NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
553 				val);
554 		/* set autoneg */
555 		val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
556 		switch (port) {
557 		case 0:
558 			if (pause->tx_pause)
559 				netxen_gb_unset_gb0_mask(val);
560 			else
561 				netxen_gb_set_gb0_mask(val);
562 			break;
563 		case 1:
564 			if (pause->tx_pause)
565 				netxen_gb_unset_gb1_mask(val);
566 			else
567 				netxen_gb_set_gb1_mask(val);
568 			break;
569 		case 2:
570 			if (pause->tx_pause)
571 				netxen_gb_unset_gb2_mask(val);
572 			else
573 				netxen_gb_set_gb2_mask(val);
574 			break;
575 		case 3:
576 		default:
577 			if (pause->tx_pause)
578 				netxen_gb_unset_gb3_mask(val);
579 			else
580 				netxen_gb_set_gb3_mask(val);
581 			break;
582 		}
583 		NXWR32(adapter, NETXEN_NIU_GB_PAUSE_CTL, val);
584 	} else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
585 		if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
586 			return -EIO;
587 		val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
588 		if (port == 0) {
589 			if (pause->tx_pause)
590 				netxen_xg_unset_xg0_mask(val);
591 			else
592 				netxen_xg_set_xg0_mask(val);
593 		} else {
594 			if (pause->tx_pause)
595 				netxen_xg_unset_xg1_mask(val);
596 			else
597 				netxen_xg_set_xg1_mask(val);
598 		}
599 		NXWR32(adapter, NETXEN_NIU_XG_PAUSE_CTL, val);
600 	} else {
601 		printk(KERN_ERR "%s: Unknown board type: %x\n",
602 				netxen_nic_driver_name,
603 				adapter->ahw.port_type);
604 	}
605 	return 0;
606 }
607 
608 static int netxen_nic_reg_test(struct net_device *dev)
609 {
610 	struct netxen_adapter *adapter = netdev_priv(dev);
611 	u32 data_read, data_written;
612 
613 	data_read = NXRD32(adapter, NETXEN_PCIX_PH_REG(0));
614 	if ((data_read & 0xffff) != adapter->pdev->vendor)
615 		return 1;
616 
617 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
618 		return 0;
619 
620 	data_written = (u32)0xa5a5a5a5;
621 
622 	NXWR32(adapter, CRB_SCRATCHPAD_TEST, data_written);
623 	data_read = NXRD32(adapter, CRB_SCRATCHPAD_TEST);
624 	if (data_written != data_read)
625 		return 1;
626 
627 	return 0;
628 }
629 
630 static int netxen_get_sset_count(struct net_device *dev, int sset)
631 {
632 	switch (sset) {
633 	case ETH_SS_TEST:
634 		return NETXEN_NIC_TEST_LEN;
635 	case ETH_SS_STATS:
636 		return NETXEN_NIC_STATS_LEN;
637 	default:
638 		return -EOPNOTSUPP;
639 	}
640 }
641 
642 static void
643 netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
644 		     u64 *data)
645 {
646 	memset(data, 0, sizeof(uint64_t) * NETXEN_NIC_TEST_LEN);
647 	if ((data[0] = netxen_nic_reg_test(dev)))
648 		eth_test->flags |= ETH_TEST_FL_FAILED;
649 	/* link test */
650 	if ((data[1] = (u64) netxen_nic_test_link(dev)))
651 		eth_test->flags |= ETH_TEST_FL_FAILED;
652 }
653 
654 static void
655 netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
656 {
657 	int index;
658 
659 	switch (stringset) {
660 	case ETH_SS_TEST:
661 		memcpy(data, *netxen_nic_gstrings_test,
662 		       NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
663 		break;
664 	case ETH_SS_STATS:
665 		for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
666 			memcpy(data + index * ETH_GSTRING_LEN,
667 			       netxen_nic_gstrings_stats[index].stat_string,
668 			       ETH_GSTRING_LEN);
669 		}
670 		break;
671 	}
672 }
673 
674 static void
675 netxen_nic_get_ethtool_stats(struct net_device *dev,
676 			     struct ethtool_stats *stats, u64 *data)
677 {
678 	struct netxen_adapter *adapter = netdev_priv(dev);
679 	int index;
680 
681 	for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
682 		char *p =
683 		    (char *)adapter +
684 		    netxen_nic_gstrings_stats[index].stat_offset;
685 		data[index] =
686 		    (netxen_nic_gstrings_stats[index].sizeof_stat ==
687 		     sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
688 	}
689 }
690 
691 static void
692 netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
693 {
694 	struct netxen_adapter *adapter = netdev_priv(dev);
695 	u32 wol_cfg = 0;
696 
697 	wol->supported = 0;
698 	wol->wolopts = 0;
699 
700 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
701 		return;
702 
703 	wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
704 	if (wol_cfg & (1UL << adapter->portnum))
705 		wol->supported |= WAKE_MAGIC;
706 
707 	wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
708 	if (wol_cfg & (1UL << adapter->portnum))
709 		wol->wolopts |= WAKE_MAGIC;
710 }
711 
712 static int
713 netxen_nic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
714 {
715 	struct netxen_adapter *adapter = netdev_priv(dev);
716 	u32 wol_cfg = 0;
717 
718 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
719 		return -EOPNOTSUPP;
720 
721 	if (wol->wolopts & ~WAKE_MAGIC)
722 		return -EOPNOTSUPP;
723 
724 	wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
725 	if (!(wol_cfg & (1 << adapter->portnum)))
726 		return -EOPNOTSUPP;
727 
728 	wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
729 	if (wol->wolopts & WAKE_MAGIC)
730 		wol_cfg |= 1UL << adapter->portnum;
731 	else
732 		wol_cfg &= ~(1UL << adapter->portnum);
733 	NXWR32(adapter, NETXEN_WOL_CONFIG, wol_cfg);
734 
735 	return 0;
736 }
737 
738 /*
739  * Set the coalescing parameters. Currently only normal is supported.
740  * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
741  * firmware coalescing to default.
742  */
743 static int netxen_set_intr_coalesce(struct net_device *netdev,
744 			struct ethtool_coalesce *ethcoal)
745 {
746 	struct netxen_adapter *adapter = netdev_priv(netdev);
747 
748 	if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
749 		return -EINVAL;
750 
751 	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
752 		return -EINVAL;
753 
754 	/*
755 	* Return Error if unsupported values or
756 	* unsupported parameters are set.
757 	*/
758 	if (ethcoal->rx_coalesce_usecs > 0xffff ||
759 		ethcoal->rx_max_coalesced_frames > 0xffff ||
760 		ethcoal->tx_coalesce_usecs > 0xffff ||
761 		ethcoal->tx_max_coalesced_frames > 0xffff ||
762 		ethcoal->rx_coalesce_usecs_irq ||
763 		ethcoal->rx_max_coalesced_frames_irq ||
764 		ethcoal->tx_coalesce_usecs_irq ||
765 		ethcoal->tx_max_coalesced_frames_irq ||
766 		ethcoal->stats_block_coalesce_usecs ||
767 		ethcoal->use_adaptive_rx_coalesce ||
768 		ethcoal->use_adaptive_tx_coalesce ||
769 		ethcoal->pkt_rate_low ||
770 		ethcoal->rx_coalesce_usecs_low ||
771 		ethcoal->rx_max_coalesced_frames_low ||
772 		ethcoal->tx_coalesce_usecs_low ||
773 		ethcoal->tx_max_coalesced_frames_low ||
774 		ethcoal->pkt_rate_high ||
775 		ethcoal->rx_coalesce_usecs_high ||
776 		ethcoal->rx_max_coalesced_frames_high ||
777 		ethcoal->tx_coalesce_usecs_high ||
778 		ethcoal->tx_max_coalesced_frames_high)
779 		return -EINVAL;
780 
781 	if (!ethcoal->rx_coalesce_usecs ||
782 		!ethcoal->rx_max_coalesced_frames) {
783 		adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
784 		adapter->coal.normal.data.rx_time_us =
785 			NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
786 		adapter->coal.normal.data.rx_packets =
787 			NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
788 	} else {
789 		adapter->coal.flags = 0;
790 		adapter->coal.normal.data.rx_time_us =
791 		ethcoal->rx_coalesce_usecs;
792 		adapter->coal.normal.data.rx_packets =
793 		ethcoal->rx_max_coalesced_frames;
794 	}
795 	adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
796 	adapter->coal.normal.data.tx_packets =
797 	ethcoal->tx_max_coalesced_frames;
798 
799 	netxen_config_intr_coalesce(adapter);
800 
801 	return 0;
802 }
803 
804 static int netxen_get_intr_coalesce(struct net_device *netdev,
805 			struct ethtool_coalesce *ethcoal)
806 {
807 	struct netxen_adapter *adapter = netdev_priv(netdev);
808 
809 	if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
810 		return -EINVAL;
811 
812 	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
813 		return -EINVAL;
814 
815 	ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
816 	ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
817 	ethcoal->rx_max_coalesced_frames =
818 		adapter->coal.normal.data.rx_packets;
819 	ethcoal->tx_max_coalesced_frames =
820 		adapter->coal.normal.data.tx_packets;
821 
822 	return 0;
823 }
824 
825 static int
826 netxen_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
827 {
828 	struct netxen_adapter *adapter = netdev_priv(netdev);
829 	struct netxen_minidump *mdump = &adapter->mdump;
830 	if (adapter->fw_mdump_rdy)
831 		dump->len = mdump->md_dump_size;
832 	else
833 		dump->len = 0;
834 
835 	if (!mdump->md_enabled)
836 		dump->flag = ETH_FW_DUMP_DISABLE;
837 	else
838 		dump->flag = mdump->md_capture_mask;
839 
840 	dump->version = adapter->fw_version;
841 	return 0;
842 }
843 
844 static int
845 netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val)
846 {
847 	int i;
848 	struct netxen_adapter *adapter = netdev_priv(netdev);
849 	struct netxen_minidump *mdump = &adapter->mdump;
850 
851 	switch (val->flag) {
852 	case NX_FORCE_FW_DUMP_KEY:
853 		if (!mdump->md_enabled) {
854 			netdev_info(netdev, "FW dump not enabled\n");
855 			return 0;
856 		}
857 		if (adapter->fw_mdump_rdy) {
858 			netdev_info(netdev, "Previous dump not cleared, not forcing dump\n");
859 			return 0;
860 		}
861 		netdev_info(netdev, "Forcing a fw dump\n");
862 		nx_dev_request_reset(adapter);
863 		break;
864 	case NX_DISABLE_FW_DUMP:
865 		if (mdump->md_enabled) {
866 			netdev_info(netdev, "Disabling FW Dump\n");
867 			mdump->md_enabled = 0;
868 		}
869 		break;
870 	case NX_ENABLE_FW_DUMP:
871 		if (!mdump->md_enabled) {
872 			netdev_info(netdev, "Enabling FW dump\n");
873 			mdump->md_enabled = 1;
874 		}
875 		break;
876 	case NX_FORCE_FW_RESET:
877 		netdev_info(netdev, "Forcing FW reset\n");
878 		nx_dev_request_reset(adapter);
879 		adapter->flags &= ~NETXEN_FW_RESET_OWNER;
880 		break;
881 	default:
882 		for (i = 0; i < ARRAY_SIZE(FW_DUMP_LEVELS); i++) {
883 			if (val->flag == FW_DUMP_LEVELS[i]) {
884 				mdump->md_capture_mask = val->flag;
885 				netdev_info(netdev,
886 					"Driver mask changed to: 0x%x\n",
887 					mdump->md_capture_mask);
888 				return 0;
889 			}
890 		}
891 		netdev_info(netdev,
892 			"Invalid dump level: 0x%x\n", val->flag);
893 		return -EINVAL;
894 	}
895 
896 	return 0;
897 }
898 
899 static int
900 netxen_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
901 			void *buffer)
902 {
903 	int i, copy_sz;
904 	u32 *hdr_ptr, *data;
905 	struct netxen_adapter *adapter = netdev_priv(netdev);
906 	struct netxen_minidump *mdump = &adapter->mdump;
907 
908 
909 	if (!adapter->fw_mdump_rdy) {
910 		netdev_info(netdev, "Dump not available\n");
911 		return -EINVAL;
912 	}
913 	/* Copy template header first */
914 	copy_sz = mdump->md_template_size;
915 	hdr_ptr = (u32 *) mdump->md_template;
916 	data = buffer;
917 	for (i = 0; i < copy_sz/sizeof(u32); i++)
918 		*data++ = cpu_to_le32(*hdr_ptr++);
919 
920 	/* Copy captured dump data */
921 	memcpy(buffer + copy_sz,
922 		mdump->md_capture_buff + mdump->md_template_size,
923 			mdump->md_capture_size);
924 	dump->len = copy_sz + mdump->md_capture_size;
925 	dump->flag = mdump->md_capture_mask;
926 
927 	/* Free dump area once data has been captured */
928 	vfree(mdump->md_capture_buff);
929 	mdump->md_capture_buff = NULL;
930 	adapter->fw_mdump_rdy = 0;
931 	netdev_info(netdev, "extracted the fw dump Successfully\n");
932 	return 0;
933 }
934 
935 const struct ethtool_ops netxen_nic_ethtool_ops = {
936 	.get_settings = netxen_nic_get_settings,
937 	.set_settings = netxen_nic_set_settings,
938 	.get_drvinfo = netxen_nic_get_drvinfo,
939 	.get_regs_len = netxen_nic_get_regs_len,
940 	.get_regs = netxen_nic_get_regs,
941 	.get_link = ethtool_op_get_link,
942 	.get_eeprom_len = netxen_nic_get_eeprom_len,
943 	.get_eeprom = netxen_nic_get_eeprom,
944 	.get_ringparam = netxen_nic_get_ringparam,
945 	.set_ringparam = netxen_nic_set_ringparam,
946 	.get_pauseparam = netxen_nic_get_pauseparam,
947 	.set_pauseparam = netxen_nic_set_pauseparam,
948 	.get_wol = netxen_nic_get_wol,
949 	.set_wol = netxen_nic_set_wol,
950 	.self_test = netxen_nic_diag_test,
951 	.get_strings = netxen_nic_get_strings,
952 	.get_ethtool_stats = netxen_nic_get_ethtool_stats,
953 	.get_sset_count = netxen_get_sset_count,
954 	.get_coalesce = netxen_get_intr_coalesce,
955 	.set_coalesce = netxen_set_intr_coalesce,
956 	.get_dump_flag = netxen_get_dump_flag,
957 	.get_dump_data = netxen_get_dump_data,
958 	.set_dump = netxen_set_dump,
959 };
960