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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / net / ethernet / qlogic / netxen / netxen_nic_ethtool.c
blob8a371985319f6ef8afed68ae184329bb18aa93ee
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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19 * MA 02111-1307, USA.
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called "COPYING".
23 *
24 */
25
26 #include <linux/types.h>
27 #include <linux/delay.h>
28 #include <linux/pci.h>
29 #include <asm/io.h>
30 #include <linux/netdevice.h>
31 #include <linux/ethtool.h>
32
33 #include "netxen_nic.h"
34 #include "netxen_nic_hw.h"
35
36 struct netxen_nic_stats {
37 char stat_string[ETH_GSTRING_LEN];
38 int sizeof_stat;
39 int stat_offset;
40 };
41
42 #define NETXEN_NIC_STAT(m) sizeof(((struct netxen_adapter *)0)->m), \
43 offsetof(struct netxen_adapter, m)
44
45 #define NETXEN_NIC_PORT_WINDOW 0x10000
46 #define NETXEN_NIC_INVALID_DATA 0xDEADBEEF
47
48 static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
49 {"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
50 {"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
51 {"rx_dropped", NETXEN_NIC_STAT(stats.rxdropped)},
52 {"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
53 {"csummed", NETXEN_NIC_STAT(stats.csummed)},
54 {"rx_pkts", NETXEN_NIC_STAT(stats.rx_pkts)},
55 {"lro_pkts", NETXEN_NIC_STAT(stats.lro_pkts)},
56 {"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
57 {"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
58 };
59
60 #define NETXEN_NIC_STATS_LEN ARRAY_SIZE(netxen_nic_gstrings_stats)
61
62 static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
63 "Register_Test_on_offline",
64 "Link_Test_on_offline"
65 };
66
67 #define NETXEN_NIC_TEST_LEN ARRAY_SIZE(netxen_nic_gstrings_test)
68
69 #define NETXEN_NIC_REGS_COUNT 30
70 #define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
71 #define NETXEN_MAX_EEPROM_LEN 1024
72
73 static int netxen_nic_get_eeprom_len(struct net_device *dev)
74 {
75 return NETXEN_FLASH_TOTAL_SIZE;
76 }
77
78 static void
79 netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
80 {
81 struct netxen_adapter *adapter = netdev_priv(dev);
82 u32 fw_major = 0;
83 u32 fw_minor = 0;
84 u32 fw_build = 0;
85
86 strlcpy(drvinfo->driver, netxen_nic_driver_name,
87 sizeof(drvinfo->driver));
88 strlcpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID,
89 sizeof(drvinfo->version));
90 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
91 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
92 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
93 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
94 "%d.%d.%d", fw_major, fw_minor, fw_build);
95
96 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
97 sizeof(drvinfo->bus_info));
98 drvinfo->regdump_len = NETXEN_NIC_REGS_LEN;
99 drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev);
100 }
101
102 static int
103 netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
104 {
105 struct netxen_adapter *adapter = netdev_priv(dev);
106 int check_sfp_module = 0;
107
108 /* read which mode */
109 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
110 ecmd->supported = (SUPPORTED_10baseT_Half |
111 SUPPORTED_10baseT_Full |
112 SUPPORTED_100baseT_Half |
113 SUPPORTED_100baseT_Full |
114 SUPPORTED_1000baseT_Half |
115 SUPPORTED_1000baseT_Full);
116
117 ecmd->advertising = (ADVERTISED_100baseT_Half |
118 ADVERTISED_100baseT_Full |
119 ADVERTISED_1000baseT_Half |
120 ADVERTISED_1000baseT_Full);
121
122 ecmd->port = PORT_TP;
123
124 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
125 ecmd->duplex = adapter->link_duplex;
126 ecmd->autoneg = adapter->link_autoneg;
127
128 } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
129 u32 val;
130
131 val = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
132 if (val == NETXEN_PORT_MODE_802_3_AP) {
133 ecmd->supported = SUPPORTED_1000baseT_Full;
134 ecmd->advertising = ADVERTISED_1000baseT_Full;
135 } else {
136 ecmd->supported = SUPPORTED_10000baseT_Full;
137 ecmd->advertising = ADVERTISED_10000baseT_Full;
138 }
139
140 if (netif_running(dev) && adapter->has_link_events) {
141 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
142 ecmd->autoneg = adapter->link_autoneg;
143 ecmd->duplex = adapter->link_duplex;
144 goto skip;
145 }
146
147 ecmd->port = PORT_TP;
148
149 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
150 u16 pcifn = adapter->ahw.pci_func;
151
152 val = NXRD32(adapter, P3_LINK_SPEED_REG(pcifn));
153 ethtool_cmd_speed_set(ecmd, P3_LINK_SPEED_MHZ *
154 P3_LINK_SPEED_VAL(pcifn, val));
155 } else
156 ethtool_cmd_speed_set(ecmd, SPEED_10000);
157
158 ecmd->duplex = DUPLEX_FULL;
159 ecmd->autoneg = AUTONEG_DISABLE;
160 } else
161 return -EIO;
162
163 skip:
164 ecmd->phy_address = adapter->physical_port;
165 ecmd->transceiver = XCVR_EXTERNAL;
166
167 switch (adapter->ahw.board_type) {
168 case NETXEN_BRDTYPE_P2_SB35_4G:
169 case NETXEN_BRDTYPE_P2_SB31_2G:
170 case NETXEN_BRDTYPE_P3_REF_QG:
171 case NETXEN_BRDTYPE_P3_4_GB:
172 case NETXEN_BRDTYPE_P3_4_GB_MM:
173
174 ecmd->supported |= SUPPORTED_Autoneg;
175 ecmd->advertising |= ADVERTISED_Autoneg;
176 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
177 case NETXEN_BRDTYPE_P3_10G_CX4:
178 case NETXEN_BRDTYPE_P3_10G_CX4_LP:
179 case NETXEN_BRDTYPE_P3_10000_BASE_T:
180 ecmd->supported |= SUPPORTED_TP;
181 ecmd->advertising |= ADVERTISED_TP;
182 ecmd->port = PORT_TP;
183 ecmd->autoneg = (adapter->ahw.board_type ==
184 NETXEN_BRDTYPE_P2_SB31_10G_CX4) ?
185 (AUTONEG_DISABLE) : (adapter->link_autoneg);
186 break;
187 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
188 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
189 case NETXEN_BRDTYPE_P3_IMEZ:
190 case NETXEN_BRDTYPE_P3_XG_LOM:
191 case NETXEN_BRDTYPE_P3_HMEZ:
192 ecmd->supported |= SUPPORTED_MII;
193 ecmd->advertising |= ADVERTISED_MII;
194 ecmd->port = PORT_MII;
195 ecmd->autoneg = AUTONEG_DISABLE;
196 break;
197 case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
198 case NETXEN_BRDTYPE_P3_10G_SFP_CT:
199 case NETXEN_BRDTYPE_P3_10G_SFP_QT:
200 ecmd->advertising |= ADVERTISED_TP;
201 ecmd->supported |= SUPPORTED_TP;
202 check_sfp_module = netif_running(dev) &&
203 adapter->has_link_events;
204 case NETXEN_BRDTYPE_P2_SB31_10G:
205 case NETXEN_BRDTYPE_P3_10G_XFP:
206 ecmd->supported |= SUPPORTED_FIBRE;
207 ecmd->advertising |= ADVERTISED_FIBRE;
208 ecmd->port = PORT_FIBRE;
209 ecmd->autoneg = AUTONEG_DISABLE;
210 break;
211 case NETXEN_BRDTYPE_P3_10G_TP:
212 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
213 ecmd->autoneg = AUTONEG_DISABLE;
214 ecmd->supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
215 ecmd->advertising |=
216 (ADVERTISED_FIBRE | ADVERTISED_TP);
217 ecmd->port = PORT_FIBRE;
218 check_sfp_module = netif_running(dev) &&
219 adapter->has_link_events;
220 } else {
221 ecmd->supported |= (SUPPORTED_TP |SUPPORTED_Autoneg);
222 ecmd->advertising |=
223 (ADVERTISED_TP | ADVERTISED_Autoneg);
224 ecmd->port = PORT_TP;
225 }
226 break;
227 default:
228 printk(KERN_ERR "netxen-nic: Unsupported board model %d\n",
229 adapter->ahw.board_type);
230 return -EIO;
231 }
232
233 if (check_sfp_module) {
234 switch (adapter->module_type) {
235 case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
236 case LINKEVENT_MODULE_OPTICAL_SRLR:
237 case LINKEVENT_MODULE_OPTICAL_LRM:
238 case LINKEVENT_MODULE_OPTICAL_SFP_1G:
239 ecmd->port = PORT_FIBRE;
240 break;
241 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
242 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
243 case LINKEVENT_MODULE_TWINAX:
244 ecmd->port = PORT_TP;
245 break;
246 default:
247 ecmd->port = -1;
248 }
249 }
250
251 return 0;
252 }
253
254 static int
255 netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
256 {
257 struct netxen_adapter *adapter = netdev_priv(dev);
258 u32 speed = ethtool_cmd_speed(ecmd);
259 int ret;
260
261 if (adapter->ahw.port_type != NETXEN_NIC_GBE)
262 return -EOPNOTSUPP;
263
264 if (!(adapter->capabilities & NX_FW_CAPABILITY_GBE_LINK_CFG))
265 return -EOPNOTSUPP;
266
267 ret = nx_fw_cmd_set_gbe_port(adapter, speed, ecmd->duplex,
268 ecmd->autoneg);
269 if (ret == NX_RCODE_NOT_SUPPORTED)
270 return -EOPNOTSUPP;
271 else if (ret)
272 return -EIO;
273
274 adapter->link_speed = speed;
275 adapter->link_duplex = ecmd->duplex;
276 adapter->link_autoneg = ecmd->autoneg;
277
278 if (!netif_running(dev))
279 return 0;
280
281 dev->netdev_ops->ndo_stop(dev);
282 return dev->netdev_ops->ndo_open(dev);
283 }
284
285 static int netxen_nic_get_regs_len(struct net_device *dev)
286 {
287 return NETXEN_NIC_REGS_LEN;
288 }
289
290 static void
291 netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
292 {
293 struct netxen_adapter *adapter = netdev_priv(dev);
294 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
295 struct nx_host_sds_ring *sds_ring;
296 u32 *regs_buff = p;
297 int ring, i = 0;
298 int port = adapter->physical_port;
299
300 memset(p, 0, NETXEN_NIC_REGS_LEN);
301
302 regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
303 (adapter->pdev)->device;
304
305 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
306 return;
307
308 regs_buff[i++] = NXRD32(adapter, CRB_CMDPEG_STATE);
309 regs_buff[i++] = NXRD32(adapter, CRB_RCVPEG_STATE);
310 regs_buff[i++] = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
311 regs_buff[i++] = NXRDIO(adapter, adapter->crb_int_state_reg);
312 regs_buff[i++] = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
313 regs_buff[i++] = NXRD32(adapter, NX_CRB_DEV_STATE);
314 regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
315 regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
316 regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_HALT_STATUS2);
317
318 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_0+0x3c);
319 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_1+0x3c);
320 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_2+0x3c);
321 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_3+0x3c);
322
323 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
324
325 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_4+0x3c);
326 i += 2;
327
328 regs_buff[i++] = NXRD32(adapter, CRB_XG_STATE_P3);
329 regs_buff[i++] = le32_to_cpu(*(adapter->tx_ring->hw_consumer));
330
331 } else {
332 i++;
333
334 regs_buff[i++] = NXRD32(adapter,
335 NETXEN_NIU_XGE_CONFIG_0+(0x10000*port));
336 regs_buff[i++] = NXRD32(adapter,
337 NETXEN_NIU_XGE_CONFIG_1+(0x10000*port));
338
339 regs_buff[i++] = NXRD32(adapter, CRB_XG_STATE);
340 regs_buff[i++] = NXRDIO(adapter,
341 adapter->tx_ring->crb_cmd_consumer);
342 }
343
344 regs_buff[i++] = NXRDIO(adapter, adapter->tx_ring->crb_cmd_producer);
345
346 regs_buff[i++] = NXRDIO(adapter,
347 recv_ctx->rds_rings[0].crb_rcv_producer);
348 regs_buff[i++] = NXRDIO(adapter,
349 recv_ctx->rds_rings[1].crb_rcv_producer);
350
351 regs_buff[i++] = adapter->max_sds_rings;
352
353 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
354 sds_ring = &(recv_ctx->sds_rings[ring]);
355 regs_buff[i++] = NXRDIO(adapter,
356 sds_ring->crb_sts_consumer);
357 }
358 }
359
360 static u32 netxen_nic_test_link(struct net_device *dev)
361 {
362 struct netxen_adapter *adapter = netdev_priv(dev);
363 u32 val, port;
364
365 port = adapter->physical_port;
366 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
367 val = NXRD32(adapter, CRB_XG_STATE_P3);
368 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
369 return (val == XG_LINK_UP_P3) ? 0 : 1;
370 } else {
371 val = NXRD32(adapter, CRB_XG_STATE);
372 val = (val >> port*8) & 0xff;
373 return (val == XG_LINK_UP) ? 0 : 1;
374 }
375 }
376
377 static int
378 netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
379 u8 * bytes)
380 {
381 struct netxen_adapter *adapter = netdev_priv(dev);
382 int offset;
383 int ret;
384
385 if (eeprom->len == 0)
386 return -EINVAL;
387
388 eeprom->magic = (adapter->pdev)->vendor |
389 ((adapter->pdev)->device << 16);
390 offset = eeprom->offset;
391
392 ret = netxen_rom_fast_read_words(adapter, offset, bytes,
393 eeprom->len);
394 if (ret < 0)
395 return ret;
396
397 return 0;
398 }
399
400 static void
401 netxen_nic_get_ringparam(struct net_device *dev,
402 struct ethtool_ringparam *ring)
403 {
404 struct netxen_adapter *adapter = netdev_priv(dev);
405
406 ring->rx_pending = adapter->num_rxd;
407 ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
408 ring->rx_jumbo_pending += adapter->num_lro_rxd;
409 ring->tx_pending = adapter->num_txd;
410
411 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
412 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
413 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_1G;
414 } else {
415 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
416 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_10G;
417 }
418
419 ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
420 }
421
422 static u32
423 netxen_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
424 {
425 u32 num_desc;
426 num_desc = max(val, min);
427 num_desc = min(num_desc, max);
428 num_desc = roundup_pow_of_two(num_desc);
429
430 if (val != num_desc) {
431 printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
432 netxen_nic_driver_name, r_name, num_desc, val);
433 }
434
435 return num_desc;
436 }
437
438 static int
439 netxen_nic_set_ringparam(struct net_device *dev,
440 struct ethtool_ringparam *ring)
441 {
442 struct netxen_adapter *adapter = netdev_priv(dev);
443 u16 max_rcv_desc = MAX_RCV_DESCRIPTORS_10G;
444 u16 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
445 u16 num_rxd, num_jumbo_rxd, num_txd;
446
447 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
448 return -EOPNOTSUPP;
449
450 if (ring->rx_mini_pending)
451 return -EOPNOTSUPP;
452
453 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
454 max_rcv_desc = MAX_RCV_DESCRIPTORS_1G;
455 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
456 }
457
458 num_rxd = netxen_validate_ringparam(ring->rx_pending,
459 MIN_RCV_DESCRIPTORS, max_rcv_desc, "rx");
460
461 num_jumbo_rxd = netxen_validate_ringparam(ring->rx_jumbo_pending,
462 MIN_JUMBO_DESCRIPTORS, max_jumbo_desc, "rx jumbo");
463
464 num_txd = netxen_validate_ringparam(ring->tx_pending,
465 MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
466
467 if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
468 num_jumbo_rxd == adapter->num_jumbo_rxd)
469 return 0;
470
471 adapter->num_rxd = num_rxd;
472 adapter->num_jumbo_rxd = num_jumbo_rxd;
473 adapter->num_txd = num_txd;
474
475 return netxen_nic_reset_context(adapter);
476 }
477
478 static void
479 netxen_nic_get_pauseparam(struct net_device *dev,
480 struct ethtool_pauseparam *pause)
481 {
482 struct netxen_adapter *adapter = netdev_priv(dev);
483 __u32 val;
484 int port = adapter->physical_port;
485
486 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
487 if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
488 return;
489 /* get flow control settings */
490 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
491 pause->rx_pause = netxen_gb_get_rx_flowctl(val);
492 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
493 switch (port) {
494 case 0:
495 pause->tx_pause = !(netxen_gb_get_gb0_mask(val));
496 break;
497 case 1:
498 pause->tx_pause = !(netxen_gb_get_gb1_mask(val));
499 break;
500 case 2:
501 pause->tx_pause = !(netxen_gb_get_gb2_mask(val));
502 break;
503 case 3:
504 default:
505 pause->tx_pause = !(netxen_gb_get_gb3_mask(val));
506 break;
507 }
508 } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
509 if ((port < 0) || (port > NETXEN_NIU_MAX_XG_PORTS))
510 return;
511 pause->rx_pause = 1;
512 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
513 if (port == 0)
514 pause->tx_pause = !(netxen_xg_get_xg0_mask(val));
515 else
516 pause->tx_pause = !(netxen_xg_get_xg1_mask(val));
517 } else {
518 printk(KERN_ERR"%s: Unknown board type: %x\n",
519 netxen_nic_driver_name, adapter->ahw.port_type);
520 }
521 }
522
523 static int
524 netxen_nic_set_pauseparam(struct net_device *dev,
525 struct ethtool_pauseparam *pause)
526 {
527 struct netxen_adapter *adapter = netdev_priv(dev);
528 __u32 val;
529 int port = adapter->physical_port;
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 ethcoal->rx_coalesce_usecs_irq ||
753 ethcoal->rx_max_coalesced_frames_irq ||
754 ethcoal->tx_coalesce_usecs_irq ||
755 ethcoal->tx_max_coalesced_frames_irq ||
756 ethcoal->stats_block_coalesce_usecs ||
757 ethcoal->use_adaptive_rx_coalesce ||
758 ethcoal->use_adaptive_tx_coalesce ||
759 ethcoal->pkt_rate_low ||
760 ethcoal->rx_coalesce_usecs_low ||
761 ethcoal->rx_max_coalesced_frames_low ||
762 ethcoal->tx_coalesce_usecs_low ||
763 ethcoal->tx_max_coalesced_frames_low ||
764 ethcoal->pkt_rate_high ||
765 ethcoal->rx_coalesce_usecs_high ||
766 ethcoal->rx_max_coalesced_frames_high ||
767 ethcoal->tx_coalesce_usecs_high ||
768 ethcoal->tx_max_coalesced_frames_high)
769 return -EINVAL;
770
771 if (!ethcoal->rx_coalesce_usecs ||
772 !ethcoal->rx_max_coalesced_frames) {
773 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
774 adapter->coal.normal.data.rx_time_us =
775 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
776 adapter->coal.normal.data.rx_packets =
777 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
778 } else {
779 adapter->coal.flags = 0;
780 adapter->coal.normal.data.rx_time_us =
781 ethcoal->rx_coalesce_usecs;
782 adapter->coal.normal.data.rx_packets =
783 ethcoal->rx_max_coalesced_frames;
784 }
785 adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
786 adapter->coal.normal.data.tx_packets =
787 ethcoal->tx_max_coalesced_frames;
788
789 netxen_config_intr_coalesce(adapter);
790
791 return 0;
792 }
793
794 static int netxen_get_intr_coalesce(struct net_device *netdev,
795 struct ethtool_coalesce *ethcoal)
796 {
797 struct netxen_adapter *adapter = netdev_priv(netdev);
798
799 if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
800 return -EINVAL;
801
802 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
803 return -EINVAL;
804
805 ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
806 ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
807 ethcoal->rx_max_coalesced_frames =
808 adapter->coal.normal.data.rx_packets;
809 ethcoal->tx_max_coalesced_frames =
810 adapter->coal.normal.data.tx_packets;
811
812 return 0;
813 }
814
815 const struct ethtool_ops netxen_nic_ethtool_ops = {
816 .get_settings = netxen_nic_get_settings,
817 .set_settings = netxen_nic_set_settings,
818 .get_drvinfo = netxen_nic_get_drvinfo,
819 .get_regs_len = netxen_nic_get_regs_len,
820 .get_regs = netxen_nic_get_regs,
821 .get_link = ethtool_op_get_link,
822 .get_eeprom_len = netxen_nic_get_eeprom_len,
823 .get_eeprom = netxen_nic_get_eeprom,
824 .get_ringparam = netxen_nic_get_ringparam,
825 .set_ringparam = netxen_nic_set_ringparam,
826 .get_pauseparam = netxen_nic_get_pauseparam,
827 .set_pauseparam = netxen_nic_set_pauseparam,
828 .get_wol = netxen_nic_get_wol,
829 .set_wol = netxen_nic_set_wol,
830 .self_test = netxen_nic_diag_test,
831 .get_strings = netxen_nic_get_strings,
832 .get_ethtool_stats = netxen_nic_get_ethtool_stats,
833 .get_sset_count = netxen_get_sset_count,
834 .get_coalesce = netxen_get_intr_coalesce,
835 .set_coalesce = netxen_set_intr_coalesce,
836 };