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
netxen_nic_get_eeprom_len(struct net_device * dev)71 static int netxen_nic_get_eeprom_len(struct net_device *dev)
72 {
73 return NETXEN_FLASH_TOTAL_SIZE;
74 }
75
76 static void
netxen_nic_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * drvinfo)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 }
97
98 static int
netxen_nic_get_link_ksettings(struct net_device * dev,struct ethtool_link_ksettings * cmd)99 netxen_nic_get_link_ksettings(struct net_device *dev,
100 struct ethtool_link_ksettings *cmd)
101 {
102 struct netxen_adapter *adapter = netdev_priv(dev);
103 int check_sfp_module = 0;
104 u32 supported, advertising;
105
106 /* read which mode */
107 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
108 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 advertising = (ADVERTISED_100baseT_Half |
116 ADVERTISED_100baseT_Full |
117 ADVERTISED_1000baseT_Half |
118 ADVERTISED_1000baseT_Full);
119
120 cmd->base.port = PORT_TP;
121
122 cmd->base.speed = adapter->link_speed;
123 cmd->base.duplex = adapter->link_duplex;
124 cmd->base.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 supported = SUPPORTED_1000baseT_Full;
132 advertising = ADVERTISED_1000baseT_Full;
133 } else {
134 supported = SUPPORTED_10000baseT_Full;
135 advertising = ADVERTISED_10000baseT_Full;
136 }
137
138 if (netif_running(dev) && adapter->has_link_events) {
139 cmd->base.speed = adapter->link_speed;
140 cmd->base.autoneg = adapter->link_autoneg;
141 cmd->base.duplex = adapter->link_duplex;
142 goto skip;
143 }
144
145 cmd->base.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 cmd->base.speed = P3_LINK_SPEED_MHZ *
152 P3_LINK_SPEED_VAL(pcifn, val);
153 } else
154 cmd->base.speed = SPEED_10000;
155
156 cmd->base.duplex = DUPLEX_FULL;
157 cmd->base.autoneg = AUTONEG_DISABLE;
158 } else
159 return -EIO;
160
161 skip:
162 cmd->base.phy_address = adapter->physical_port;
163
164 switch (adapter->ahw.board_type) {
165 case NETXEN_BRDTYPE_P2_SB35_4G:
166 case NETXEN_BRDTYPE_P2_SB31_2G:
167 case NETXEN_BRDTYPE_P3_REF_QG:
168 case NETXEN_BRDTYPE_P3_4_GB:
169 case NETXEN_BRDTYPE_P3_4_GB_MM:
170
171 supported |= SUPPORTED_Autoneg;
172 advertising |= ADVERTISED_Autoneg;
173 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
174 case NETXEN_BRDTYPE_P3_10G_CX4:
175 case NETXEN_BRDTYPE_P3_10G_CX4_LP:
176 case NETXEN_BRDTYPE_P3_10000_BASE_T:
177 supported |= SUPPORTED_TP;
178 advertising |= ADVERTISED_TP;
179 cmd->base.port = PORT_TP;
180 cmd->base.autoneg = (adapter->ahw.board_type ==
181 NETXEN_BRDTYPE_P2_SB31_10G_CX4) ?
182 (AUTONEG_DISABLE) : (adapter->link_autoneg);
183 break;
184 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
185 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
186 case NETXEN_BRDTYPE_P3_IMEZ:
187 case NETXEN_BRDTYPE_P3_XG_LOM:
188 case NETXEN_BRDTYPE_P3_HMEZ:
189 supported |= SUPPORTED_MII;
190 advertising |= ADVERTISED_MII;
191 cmd->base.port = PORT_MII;
192 cmd->base.autoneg = AUTONEG_DISABLE;
193 break;
194 case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
195 case NETXEN_BRDTYPE_P3_10G_SFP_CT:
196 case NETXEN_BRDTYPE_P3_10G_SFP_QT:
197 advertising |= ADVERTISED_TP;
198 supported |= SUPPORTED_TP;
199 check_sfp_module = netif_running(dev) &&
200 adapter->has_link_events;
201 case NETXEN_BRDTYPE_P2_SB31_10G:
202 case NETXEN_BRDTYPE_P3_10G_XFP:
203 supported |= SUPPORTED_FIBRE;
204 advertising |= ADVERTISED_FIBRE;
205 cmd->base.port = PORT_FIBRE;
206 cmd->base.autoneg = AUTONEG_DISABLE;
207 break;
208 case NETXEN_BRDTYPE_P3_10G_TP:
209 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
210 cmd->base.autoneg = AUTONEG_DISABLE;
211 supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
212 advertising |=
213 (ADVERTISED_FIBRE | ADVERTISED_TP);
214 cmd->base.port = PORT_FIBRE;
215 check_sfp_module = netif_running(dev) &&
216 adapter->has_link_events;
217 } else {
218 supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
219 advertising |=
220 (ADVERTISED_TP | ADVERTISED_Autoneg);
221 cmd->base.port = PORT_TP;
222 }
223 break;
224 default:
225 printk(KERN_ERR "netxen-nic: Unsupported board model %d\n",
226 adapter->ahw.board_type);
227 return -EIO;
228 }
229
230 if (check_sfp_module) {
231 switch (adapter->module_type) {
232 case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
233 case LINKEVENT_MODULE_OPTICAL_SRLR:
234 case LINKEVENT_MODULE_OPTICAL_LRM:
235 case LINKEVENT_MODULE_OPTICAL_SFP_1G:
236 cmd->base.port = PORT_FIBRE;
237 break;
238 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
239 case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
240 case LINKEVENT_MODULE_TWINAX:
241 cmd->base.port = PORT_TP;
242 break;
243 default:
244 cmd->base.port = -1;
245 }
246 }
247
248 if (!netif_running(dev) || !adapter->ahw.linkup) {
249 cmd->base.duplex = DUPLEX_UNKNOWN;
250 cmd->base.speed = SPEED_UNKNOWN;
251 }
252
253 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
254 supported);
255 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
256 advertising);
257
258 return 0;
259 }
260
261 static int
netxen_nic_set_link_ksettings(struct net_device * dev,const struct ethtool_link_ksettings * cmd)262 netxen_nic_set_link_ksettings(struct net_device *dev,
263 const struct ethtool_link_ksettings *cmd)
264 {
265 struct netxen_adapter *adapter = netdev_priv(dev);
266 u32 speed = cmd->base.speed;
267 int ret;
268
269 if (adapter->ahw.port_type != NETXEN_NIC_GBE)
270 return -EOPNOTSUPP;
271
272 if (!(adapter->capabilities & NX_FW_CAPABILITY_GBE_LINK_CFG))
273 return -EOPNOTSUPP;
274
275 ret = nx_fw_cmd_set_gbe_port(adapter, speed, cmd->base.duplex,
276 cmd->base.autoneg);
277 if (ret == NX_RCODE_NOT_SUPPORTED)
278 return -EOPNOTSUPP;
279 else if (ret)
280 return -EIO;
281
282 adapter->link_speed = speed;
283 adapter->link_duplex = cmd->base.duplex;
284 adapter->link_autoneg = cmd->base.autoneg;
285
286 if (!netif_running(dev))
287 return 0;
288
289 dev->netdev_ops->ndo_stop(dev);
290 return dev->netdev_ops->ndo_open(dev);
291 }
292
netxen_nic_get_regs_len(struct net_device * dev)293 static int netxen_nic_get_regs_len(struct net_device *dev)
294 {
295 return NETXEN_NIC_REGS_LEN;
296 }
297
298 static void
netxen_nic_get_regs(struct net_device * dev,struct ethtool_regs * regs,void * p)299 netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
300 {
301 struct netxen_adapter *adapter = netdev_priv(dev);
302 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
303 struct nx_host_sds_ring *sds_ring;
304 u32 *regs_buff = p;
305 int ring, i = 0;
306 int port = adapter->physical_port;
307
308 memset(p, 0, NETXEN_NIC_REGS_LEN);
309
310 regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
311 (adapter->pdev)->device;
312
313 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
314 return;
315
316 regs_buff[i++] = NXRD32(adapter, CRB_CMDPEG_STATE);
317 regs_buff[i++] = NXRD32(adapter, CRB_RCVPEG_STATE);
318 regs_buff[i++] = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
319 regs_buff[i++] = NXRDIO(adapter, adapter->crb_int_state_reg);
320 regs_buff[i++] = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
321 regs_buff[i++] = NXRD32(adapter, NX_CRB_DEV_STATE);
322 regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
323 regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
324 regs_buff[i++] = NXRD32(adapter, NETXEN_PEG_HALT_STATUS2);
325
326 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_0+0x3c);
327 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_1+0x3c);
328 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_2+0x3c);
329 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_3+0x3c);
330
331 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
332
333 regs_buff[i++] = NXRD32(adapter, NETXEN_CRB_PEG_NET_4+0x3c);
334 i += 2;
335
336 regs_buff[i++] = NXRD32(adapter, CRB_XG_STATE_P3);
337 regs_buff[i++] = le32_to_cpu(*(adapter->tx_ring->hw_consumer));
338
339 } else {
340 i++;
341
342 regs_buff[i++] = NXRD32(adapter,
343 NETXEN_NIU_XGE_CONFIG_0+(0x10000*port));
344 regs_buff[i++] = NXRD32(adapter,
345 NETXEN_NIU_XGE_CONFIG_1+(0x10000*port));
346
347 regs_buff[i++] = NXRD32(adapter, CRB_XG_STATE);
348 regs_buff[i++] = NXRDIO(adapter,
349 adapter->tx_ring->crb_cmd_consumer);
350 }
351
352 regs_buff[i++] = NXRDIO(adapter, adapter->tx_ring->crb_cmd_producer);
353
354 regs_buff[i++] = NXRDIO(adapter,
355 recv_ctx->rds_rings[0].crb_rcv_producer);
356 regs_buff[i++] = NXRDIO(adapter,
357 recv_ctx->rds_rings[1].crb_rcv_producer);
358
359 regs_buff[i++] = adapter->max_sds_rings;
360
361 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
362 sds_ring = &(recv_ctx->sds_rings[ring]);
363 regs_buff[i++] = NXRDIO(adapter,
364 sds_ring->crb_sts_consumer);
365 }
366 }
367
netxen_nic_test_link(struct net_device * dev)368 static u32 netxen_nic_test_link(struct net_device *dev)
369 {
370 struct netxen_adapter *adapter = netdev_priv(dev);
371 u32 val, port;
372
373 port = adapter->physical_port;
374 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
375 val = NXRD32(adapter, CRB_XG_STATE_P3);
376 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
377 return (val == XG_LINK_UP_P3) ? 0 : 1;
378 } else {
379 val = NXRD32(adapter, CRB_XG_STATE);
380 val = (val >> port*8) & 0xff;
381 return (val == XG_LINK_UP) ? 0 : 1;
382 }
383 }
384
385 static int
netxen_nic_get_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * bytes)386 netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
387 u8 *bytes)
388 {
389 struct netxen_adapter *adapter = netdev_priv(dev);
390 int offset;
391 int ret;
392
393 if (eeprom->len == 0)
394 return -EINVAL;
395
396 eeprom->magic = (adapter->pdev)->vendor |
397 ((adapter->pdev)->device << 16);
398 offset = eeprom->offset;
399
400 ret = netxen_rom_fast_read_words(adapter, offset, bytes,
401 eeprom->len);
402 if (ret < 0)
403 return ret;
404
405 return 0;
406 }
407
408 static void
netxen_nic_get_ringparam(struct net_device * dev,struct ethtool_ringparam * ring)409 netxen_nic_get_ringparam(struct net_device *dev,
410 struct ethtool_ringparam *ring)
411 {
412 struct netxen_adapter *adapter = netdev_priv(dev);
413
414 ring->rx_pending = adapter->num_rxd;
415 ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
416 ring->rx_jumbo_pending += adapter->num_lro_rxd;
417 ring->tx_pending = adapter->num_txd;
418
419 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
420 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
421 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_1G;
422 } else {
423 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
424 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_10G;
425 }
426
427 ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
428 }
429
430 static u32
netxen_validate_ringparam(u32 val,u32 min,u32 max,char * r_name)431 netxen_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
432 {
433 u32 num_desc;
434 num_desc = max(val, min);
435 num_desc = min(num_desc, max);
436 num_desc = roundup_pow_of_two(num_desc);
437
438 if (val != num_desc) {
439 printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
440 netxen_nic_driver_name, r_name, num_desc, val);
441 }
442
443 return num_desc;
444 }
445
446 static int
netxen_nic_set_ringparam(struct net_device * dev,struct ethtool_ringparam * ring)447 netxen_nic_set_ringparam(struct net_device *dev,
448 struct ethtool_ringparam *ring)
449 {
450 struct netxen_adapter *adapter = netdev_priv(dev);
451 u16 max_rcv_desc = MAX_RCV_DESCRIPTORS_10G;
452 u16 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
453 u16 num_rxd, num_jumbo_rxd, num_txd;
454
455 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
456 return -EOPNOTSUPP;
457
458 if (ring->rx_mini_pending)
459 return -EOPNOTSUPP;
460
461 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
462 max_rcv_desc = MAX_RCV_DESCRIPTORS_1G;
463 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
464 }
465
466 num_rxd = netxen_validate_ringparam(ring->rx_pending,
467 MIN_RCV_DESCRIPTORS, max_rcv_desc, "rx");
468
469 num_jumbo_rxd = netxen_validate_ringparam(ring->rx_jumbo_pending,
470 MIN_JUMBO_DESCRIPTORS, max_jumbo_desc, "rx jumbo");
471
472 num_txd = netxen_validate_ringparam(ring->tx_pending,
473 MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
474
475 if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
476 num_jumbo_rxd == adapter->num_jumbo_rxd)
477 return 0;
478
479 adapter->num_rxd = num_rxd;
480 adapter->num_jumbo_rxd = num_jumbo_rxd;
481 adapter->num_txd = num_txd;
482
483 return netxen_nic_reset_context(adapter);
484 }
485
486 static void
netxen_nic_get_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)487 netxen_nic_get_pauseparam(struct net_device *dev,
488 struct ethtool_pauseparam *pause)
489 {
490 struct netxen_adapter *adapter = netdev_priv(dev);
491 __u32 val;
492 int port = adapter->physical_port;
493
494 pause->autoneg = 0;
495
496 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
497 if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
498 return;
499 /* get flow control settings */
500 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
501 pause->rx_pause = netxen_gb_get_rx_flowctl(val);
502 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
503 switch (port) {
504 case 0:
505 pause->tx_pause = !(netxen_gb_get_gb0_mask(val));
506 break;
507 case 1:
508 pause->tx_pause = !(netxen_gb_get_gb1_mask(val));
509 break;
510 case 2:
511 pause->tx_pause = !(netxen_gb_get_gb2_mask(val));
512 break;
513 case 3:
514 default:
515 pause->tx_pause = !(netxen_gb_get_gb3_mask(val));
516 break;
517 }
518 } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
519 if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
520 return;
521 pause->rx_pause = 1;
522 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
523 if (port == 0)
524 pause->tx_pause = !(netxen_xg_get_xg0_mask(val));
525 else
526 pause->tx_pause = !(netxen_xg_get_xg1_mask(val));
527 } else {
528 printk(KERN_ERR"%s: Unknown board type: %x\n",
529 netxen_nic_driver_name, adapter->ahw.port_type);
530 }
531 }
532
533 static int
netxen_nic_set_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)534 netxen_nic_set_pauseparam(struct net_device *dev,
535 struct ethtool_pauseparam *pause)
536 {
537 struct netxen_adapter *adapter = netdev_priv(dev);
538 __u32 val;
539 int port = adapter->physical_port;
540
541 /* not supported */
542 if (pause->autoneg)
543 return -EINVAL;
544
545 /* read mode */
546 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
547 if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
548 return -EIO;
549 /* set flow control */
550 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
551
552 if (pause->rx_pause)
553 netxen_gb_rx_flowctl(val);
554 else
555 netxen_gb_unset_rx_flowctl(val);
556
557 NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
558 val);
559 /* set autoneg */
560 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
561 switch (port) {
562 case 0:
563 if (pause->tx_pause)
564 netxen_gb_unset_gb0_mask(val);
565 else
566 netxen_gb_set_gb0_mask(val);
567 break;
568 case 1:
569 if (pause->tx_pause)
570 netxen_gb_unset_gb1_mask(val);
571 else
572 netxen_gb_set_gb1_mask(val);
573 break;
574 case 2:
575 if (pause->tx_pause)
576 netxen_gb_unset_gb2_mask(val);
577 else
578 netxen_gb_set_gb2_mask(val);
579 break;
580 case 3:
581 default:
582 if (pause->tx_pause)
583 netxen_gb_unset_gb3_mask(val);
584 else
585 netxen_gb_set_gb3_mask(val);
586 break;
587 }
588 NXWR32(adapter, NETXEN_NIU_GB_PAUSE_CTL, val);
589 } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
590 if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
591 return -EIO;
592 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
593 if (port == 0) {
594 if (pause->tx_pause)
595 netxen_xg_unset_xg0_mask(val);
596 else
597 netxen_xg_set_xg0_mask(val);
598 } else {
599 if (pause->tx_pause)
600 netxen_xg_unset_xg1_mask(val);
601 else
602 netxen_xg_set_xg1_mask(val);
603 }
604 NXWR32(adapter, NETXEN_NIU_XG_PAUSE_CTL, val);
605 } else {
606 printk(KERN_ERR "%s: Unknown board type: %x\n",
607 netxen_nic_driver_name,
608 adapter->ahw.port_type);
609 }
610 return 0;
611 }
612
netxen_nic_reg_test(struct net_device * dev)613 static int netxen_nic_reg_test(struct net_device *dev)
614 {
615 struct netxen_adapter *adapter = netdev_priv(dev);
616 u32 data_read, data_written;
617
618 data_read = NXRD32(adapter, NETXEN_PCIX_PH_REG(0));
619 if ((data_read & 0xffff) != adapter->pdev->vendor)
620 return 1;
621
622 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
623 return 0;
624
625 data_written = (u32)0xa5a5a5a5;
626
627 NXWR32(adapter, CRB_SCRATCHPAD_TEST, data_written);
628 data_read = NXRD32(adapter, CRB_SCRATCHPAD_TEST);
629 if (data_written != data_read)
630 return 1;
631
632 return 0;
633 }
634
netxen_get_sset_count(struct net_device * dev,int sset)635 static int netxen_get_sset_count(struct net_device *dev, int sset)
636 {
637 switch (sset) {
638 case ETH_SS_TEST:
639 return NETXEN_NIC_TEST_LEN;
640 case ETH_SS_STATS:
641 return NETXEN_NIC_STATS_LEN;
642 default:
643 return -EOPNOTSUPP;
644 }
645 }
646
647 static void
netxen_nic_diag_test(struct net_device * dev,struct ethtool_test * eth_test,u64 * data)648 netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
649 u64 *data)
650 {
651 memset(data, 0, sizeof(uint64_t) * NETXEN_NIC_TEST_LEN);
652 if ((data[0] = netxen_nic_reg_test(dev)))
653 eth_test->flags |= ETH_TEST_FL_FAILED;
654 /* link test */
655 if ((data[1] = (u64) netxen_nic_test_link(dev)))
656 eth_test->flags |= ETH_TEST_FL_FAILED;
657 }
658
659 static void
netxen_nic_get_strings(struct net_device * dev,u32 stringset,u8 * data)660 netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
661 {
662 int index;
663
664 switch (stringset) {
665 case ETH_SS_TEST:
666 memcpy(data, *netxen_nic_gstrings_test,
667 NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
668 break;
669 case ETH_SS_STATS:
670 for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
671 memcpy(data + index * ETH_GSTRING_LEN,
672 netxen_nic_gstrings_stats[index].stat_string,
673 ETH_GSTRING_LEN);
674 }
675 break;
676 }
677 }
678
679 static void
netxen_nic_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)680 netxen_nic_get_ethtool_stats(struct net_device *dev,
681 struct ethtool_stats *stats, u64 *data)
682 {
683 struct netxen_adapter *adapter = netdev_priv(dev);
684 int index;
685
686 for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
687 char *p =
688 (char *)adapter +
689 netxen_nic_gstrings_stats[index].stat_offset;
690 data[index] =
691 (netxen_nic_gstrings_stats[index].sizeof_stat ==
692 sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
693 }
694 }
695
696 static void
netxen_nic_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)697 netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
698 {
699 struct netxen_adapter *adapter = netdev_priv(dev);
700 u32 wol_cfg = 0;
701
702 wol->supported = 0;
703 wol->wolopts = 0;
704
705 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
706 return;
707
708 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
709 if (wol_cfg & (1UL << adapter->portnum))
710 wol->supported |= WAKE_MAGIC;
711
712 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
713 if (wol_cfg & (1UL << adapter->portnum))
714 wol->wolopts |= WAKE_MAGIC;
715 }
716
717 static int
netxen_nic_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)718 netxen_nic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
719 {
720 struct netxen_adapter *adapter = netdev_priv(dev);
721 u32 wol_cfg = 0;
722
723 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
724 return -EOPNOTSUPP;
725
726 if (wol->wolopts & ~WAKE_MAGIC)
727 return -EOPNOTSUPP;
728
729 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
730 if (!(wol_cfg & (1 << adapter->portnum)))
731 return -EOPNOTSUPP;
732
733 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
734 if (wol->wolopts & WAKE_MAGIC)
735 wol_cfg |= 1UL << adapter->portnum;
736 else
737 wol_cfg &= ~(1UL << adapter->portnum);
738 NXWR32(adapter, NETXEN_WOL_CONFIG, wol_cfg);
739
740 return 0;
741 }
742
743 /*
744 * Set the coalescing parameters. Currently only normal is supported.
745 * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
746 * firmware coalescing to default.
747 */
netxen_set_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal)748 static int netxen_set_intr_coalesce(struct net_device *netdev,
749 struct ethtool_coalesce *ethcoal)
750 {
751 struct netxen_adapter *adapter = netdev_priv(netdev);
752
753 if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
754 return -EINVAL;
755
756 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
757 return -EINVAL;
758
759 /*
760 * Return Error if unsupported values or
761 * unsupported parameters are set.
762 */
763 if (ethcoal->rx_coalesce_usecs > 0xffff ||
764 ethcoal->rx_max_coalesced_frames > 0xffff ||
765 ethcoal->tx_coalesce_usecs > 0xffff ||
766 ethcoal->tx_max_coalesced_frames > 0xffff ||
767 ethcoal->rx_coalesce_usecs_irq ||
768 ethcoal->rx_max_coalesced_frames_irq ||
769 ethcoal->tx_coalesce_usecs_irq ||
770 ethcoal->tx_max_coalesced_frames_irq ||
771 ethcoal->stats_block_coalesce_usecs ||
772 ethcoal->use_adaptive_rx_coalesce ||
773 ethcoal->use_adaptive_tx_coalesce ||
774 ethcoal->pkt_rate_low ||
775 ethcoal->rx_coalesce_usecs_low ||
776 ethcoal->rx_max_coalesced_frames_low ||
777 ethcoal->tx_coalesce_usecs_low ||
778 ethcoal->tx_max_coalesced_frames_low ||
779 ethcoal->pkt_rate_high ||
780 ethcoal->rx_coalesce_usecs_high ||
781 ethcoal->rx_max_coalesced_frames_high ||
782 ethcoal->tx_coalesce_usecs_high ||
783 ethcoal->tx_max_coalesced_frames_high)
784 return -EINVAL;
785
786 if (!ethcoal->rx_coalesce_usecs ||
787 !ethcoal->rx_max_coalesced_frames) {
788 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
789 adapter->coal.normal.data.rx_time_us =
790 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
791 adapter->coal.normal.data.rx_packets =
792 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
793 } else {
794 adapter->coal.flags = 0;
795 adapter->coal.normal.data.rx_time_us =
796 ethcoal->rx_coalesce_usecs;
797 adapter->coal.normal.data.rx_packets =
798 ethcoal->rx_max_coalesced_frames;
799 }
800 adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
801 adapter->coal.normal.data.tx_packets =
802 ethcoal->tx_max_coalesced_frames;
803
804 netxen_config_intr_coalesce(adapter);
805
806 return 0;
807 }
808
netxen_get_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal)809 static int netxen_get_intr_coalesce(struct net_device *netdev,
810 struct ethtool_coalesce *ethcoal)
811 {
812 struct netxen_adapter *adapter = netdev_priv(netdev);
813
814 if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
815 return -EINVAL;
816
817 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
818 return -EINVAL;
819
820 ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
821 ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
822 ethcoal->rx_max_coalesced_frames =
823 adapter->coal.normal.data.rx_packets;
824 ethcoal->tx_max_coalesced_frames =
825 adapter->coal.normal.data.tx_packets;
826
827 return 0;
828 }
829
830 static int
netxen_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)831 netxen_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
832 {
833 struct netxen_adapter *adapter = netdev_priv(netdev);
834 struct netxen_minidump *mdump = &adapter->mdump;
835 if (adapter->fw_mdump_rdy)
836 dump->len = mdump->md_dump_size;
837 else
838 dump->len = 0;
839
840 if (!mdump->md_enabled)
841 dump->flag = ETH_FW_DUMP_DISABLE;
842 else
843 dump->flag = mdump->md_capture_mask;
844
845 dump->version = adapter->fw_version;
846 return 0;
847 }
848
849 static int
netxen_set_dump(struct net_device * netdev,struct ethtool_dump * val)850 netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val)
851 {
852 int i;
853 struct netxen_adapter *adapter = netdev_priv(netdev);
854 struct netxen_minidump *mdump = &adapter->mdump;
855
856 switch (val->flag) {
857 case NX_FORCE_FW_DUMP_KEY:
858 if (!mdump->md_enabled) {
859 netdev_info(netdev, "FW dump not enabled\n");
860 return 0;
861 }
862 if (adapter->fw_mdump_rdy) {
863 netdev_info(netdev, "Previous dump not cleared, not forcing dump\n");
864 return 0;
865 }
866 netdev_info(netdev, "Forcing a fw dump\n");
867 nx_dev_request_reset(adapter);
868 break;
869 case NX_DISABLE_FW_DUMP:
870 if (mdump->md_enabled) {
871 netdev_info(netdev, "Disabling FW Dump\n");
872 mdump->md_enabled = 0;
873 }
874 break;
875 case NX_ENABLE_FW_DUMP:
876 if (!mdump->md_enabled) {
877 netdev_info(netdev, "Enabling FW dump\n");
878 mdump->md_enabled = 1;
879 }
880 break;
881 case NX_FORCE_FW_RESET:
882 netdev_info(netdev, "Forcing FW reset\n");
883 nx_dev_request_reset(adapter);
884 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
885 break;
886 default:
887 for (i = 0; i < ARRAY_SIZE(FW_DUMP_LEVELS); i++) {
888 if (val->flag == FW_DUMP_LEVELS[i]) {
889 mdump->md_capture_mask = val->flag;
890 netdev_info(netdev,
891 "Driver mask changed to: 0x%x\n",
892 mdump->md_capture_mask);
893 return 0;
894 }
895 }
896 netdev_info(netdev,
897 "Invalid dump level: 0x%x\n", val->flag);
898 return -EINVAL;
899 }
900
901 return 0;
902 }
903
904 static int
netxen_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buffer)905 netxen_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
906 void *buffer)
907 {
908 int i, copy_sz;
909 u32 *hdr_ptr, *data;
910 struct netxen_adapter *adapter = netdev_priv(netdev);
911 struct netxen_minidump *mdump = &adapter->mdump;
912
913
914 if (!adapter->fw_mdump_rdy) {
915 netdev_info(netdev, "Dump not available\n");
916 return -EINVAL;
917 }
918 /* Copy template header first */
919 copy_sz = mdump->md_template_size;
920 hdr_ptr = (u32 *) mdump->md_template;
921 data = buffer;
922 for (i = 0; i < copy_sz/sizeof(u32); i++)
923 *data++ = cpu_to_le32(*hdr_ptr++);
924
925 /* Copy captured dump data */
926 memcpy(buffer + copy_sz,
927 mdump->md_capture_buff + mdump->md_template_size,
928 mdump->md_capture_size);
929 dump->len = copy_sz + mdump->md_capture_size;
930 dump->flag = mdump->md_capture_mask;
931
932 /* Free dump area once data has been captured */
933 vfree(mdump->md_capture_buff);
934 mdump->md_capture_buff = NULL;
935 adapter->fw_mdump_rdy = 0;
936 netdev_info(netdev, "extracted the fw dump Successfully\n");
937 return 0;
938 }
939
940 const struct ethtool_ops netxen_nic_ethtool_ops = {
941 .get_drvinfo = netxen_nic_get_drvinfo,
942 .get_regs_len = netxen_nic_get_regs_len,
943 .get_regs = netxen_nic_get_regs,
944 .get_link = ethtool_op_get_link,
945 .get_eeprom_len = netxen_nic_get_eeprom_len,
946 .get_eeprom = netxen_nic_get_eeprom,
947 .get_ringparam = netxen_nic_get_ringparam,
948 .set_ringparam = netxen_nic_set_ringparam,
949 .get_pauseparam = netxen_nic_get_pauseparam,
950 .set_pauseparam = netxen_nic_set_pauseparam,
951 .get_wol = netxen_nic_get_wol,
952 .set_wol = netxen_nic_set_wol,
953 .self_test = netxen_nic_diag_test,
954 .get_strings = netxen_nic_get_strings,
955 .get_ethtool_stats = netxen_nic_get_ethtool_stats,
956 .get_sset_count = netxen_get_sset_count,
957 .get_coalesce = netxen_get_intr_coalesce,
958 .set_coalesce = netxen_set_intr_coalesce,
959 .get_dump_flag = netxen_get_dump_flag,
960 .get_dump_data = netxen_get_dump_data,
961 .set_dump = netxen_set_dump,
962 .get_link_ksettings = netxen_nic_get_link_ksettings,
963 .set_link_ksettings = netxen_nic_set_link_ksettings,
964 };
965