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
netxen_nic_get_eeprom_len(struct net_device * dev)55 static int netxen_nic_get_eeprom_len(struct net_device *dev)
56 {
57 return NETXEN_FLASH_TOTAL_SIZE;
58 }
59
60 static void
netxen_nic_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * drvinfo)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
netxen_nic_get_link_ksettings(struct net_device * dev,struct ethtool_link_ksettings * cmd)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 fallthrough;
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 fallthrough;
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
netxen_nic_set_link_ksettings(struct net_device * dev,const struct ethtool_link_ksettings * cmd)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
netxen_nic_get_regs_len(struct net_device * dev)278 static int netxen_nic_get_regs_len(struct net_device *dev)
279 {
280 return NETXEN_NIC_REGS_LEN;
281 }
282
283 static void
netxen_nic_get_regs(struct net_device * dev,struct ethtool_regs * regs,void * p)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
netxen_nic_test_link(struct net_device * dev)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
netxen_nic_get_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * bytes)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
netxen_nic_get_ringparam(struct net_device * dev,struct ethtool_ringparam * ring)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
netxen_validate_ringparam(u32 val,u32 min,u32 max,char * r_name)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
netxen_nic_set_ringparam(struct net_device * dev,struct ethtool_ringparam * ring)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
netxen_nic_get_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)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
netxen_nic_set_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)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
netxen_nic_reg_test(struct net_device * dev)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
netxen_get_sset_count(struct net_device * dev,int sset)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
netxen_nic_diag_test(struct net_device * dev,struct ethtool_test * eth_test,u64 * data)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
netxen_nic_get_strings(struct net_device * dev,u32 stringset,u8 * data)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
netxen_nic_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)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
netxen_nic_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)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
netxen_nic_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)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 */
netxen_set_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)733 static int netxen_set_intr_coalesce(struct net_device *netdev,
734 struct ethtool_coalesce *ethcoal,
735 struct kernel_ethtool_coalesce *kernel_coal,
736 struct netlink_ext_ack *extack)
737 {
738 struct netxen_adapter *adapter = netdev_priv(netdev);
739
740 if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
741 return -EINVAL;
742
743 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
744 return -EINVAL;
745
746 /*
747 * Return Error if unsupported values or
748 * unsupported parameters are set.
749 */
750 if (ethcoal->rx_coalesce_usecs > 0xffff ||
751 ethcoal->rx_max_coalesced_frames > 0xffff ||
752 ethcoal->tx_coalesce_usecs > 0xffff ||
753 ethcoal->tx_max_coalesced_frames > 0xffff)
754 return -EINVAL;
755
756 if (!ethcoal->rx_coalesce_usecs ||
757 !ethcoal->rx_max_coalesced_frames) {
758 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
759 adapter->coal.normal.data.rx_time_us =
760 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
761 adapter->coal.normal.data.rx_packets =
762 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
763 } else {
764 adapter->coal.flags = 0;
765 adapter->coal.normal.data.rx_time_us =
766 ethcoal->rx_coalesce_usecs;
767 adapter->coal.normal.data.rx_packets =
768 ethcoal->rx_max_coalesced_frames;
769 }
770 adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
771 adapter->coal.normal.data.tx_packets =
772 ethcoal->tx_max_coalesced_frames;
773
774 netxen_config_intr_coalesce(adapter);
775
776 return 0;
777 }
778
netxen_get_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)779 static int netxen_get_intr_coalesce(struct net_device *netdev,
780 struct ethtool_coalesce *ethcoal,
781 struct kernel_ethtool_coalesce *kernel_coal,
782 struct netlink_ext_ack *extack)
783 {
784 struct netxen_adapter *adapter = netdev_priv(netdev);
785
786 if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
787 return -EINVAL;
788
789 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
790 return -EINVAL;
791
792 ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
793 ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
794 ethcoal->rx_max_coalesced_frames =
795 adapter->coal.normal.data.rx_packets;
796 ethcoal->tx_max_coalesced_frames =
797 adapter->coal.normal.data.tx_packets;
798
799 return 0;
800 }
801
802 static int
netxen_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)803 netxen_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
804 {
805 struct netxen_adapter *adapter = netdev_priv(netdev);
806 struct netxen_minidump *mdump = &adapter->mdump;
807 if (adapter->fw_mdump_rdy)
808 dump->len = mdump->md_dump_size;
809 else
810 dump->len = 0;
811
812 if (!mdump->md_enabled)
813 dump->flag = ETH_FW_DUMP_DISABLE;
814 else
815 dump->flag = mdump->md_capture_mask;
816
817 dump->version = adapter->fw_version;
818 return 0;
819 }
820
821 /* Fw dump levels */
822 static const u32 FW_DUMP_LEVELS[] = { 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff };
823
824 static int
netxen_set_dump(struct net_device * netdev,struct ethtool_dump * val)825 netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val)
826 {
827 int i;
828 struct netxen_adapter *adapter = netdev_priv(netdev);
829 struct netxen_minidump *mdump = &adapter->mdump;
830
831 switch (val->flag) {
832 case NX_FORCE_FW_DUMP_KEY:
833 if (!mdump->md_enabled) {
834 netdev_info(netdev, "FW dump not enabled\n");
835 return 0;
836 }
837 if (adapter->fw_mdump_rdy) {
838 netdev_info(netdev, "Previous dump not cleared, not forcing dump\n");
839 return 0;
840 }
841 netdev_info(netdev, "Forcing a fw dump\n");
842 nx_dev_request_reset(adapter);
843 break;
844 case NX_DISABLE_FW_DUMP:
845 if (mdump->md_enabled) {
846 netdev_info(netdev, "Disabling FW Dump\n");
847 mdump->md_enabled = 0;
848 }
849 break;
850 case NX_ENABLE_FW_DUMP:
851 if (!mdump->md_enabled) {
852 netdev_info(netdev, "Enabling FW dump\n");
853 mdump->md_enabled = 1;
854 }
855 break;
856 case NX_FORCE_FW_RESET:
857 netdev_info(netdev, "Forcing FW reset\n");
858 nx_dev_request_reset(adapter);
859 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
860 break;
861 default:
862 for (i = 0; i < ARRAY_SIZE(FW_DUMP_LEVELS); i++) {
863 if (val->flag == FW_DUMP_LEVELS[i]) {
864 mdump->md_capture_mask = val->flag;
865 netdev_info(netdev,
866 "Driver mask changed to: 0x%x\n",
867 mdump->md_capture_mask);
868 return 0;
869 }
870 }
871 netdev_info(netdev,
872 "Invalid dump level: 0x%x\n", val->flag);
873 return -EINVAL;
874 }
875
876 return 0;
877 }
878
879 static int
netxen_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buffer)880 netxen_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
881 void *buffer)
882 {
883 int i, copy_sz;
884 u32 *hdr_ptr, *data;
885 struct netxen_adapter *adapter = netdev_priv(netdev);
886 struct netxen_minidump *mdump = &adapter->mdump;
887
888
889 if (!adapter->fw_mdump_rdy) {
890 netdev_info(netdev, "Dump not available\n");
891 return -EINVAL;
892 }
893 /* Copy template header first */
894 copy_sz = mdump->md_template_size;
895 hdr_ptr = (u32 *) mdump->md_template;
896 data = buffer;
897 for (i = 0; i < copy_sz/sizeof(u32); i++)
898 *data++ = cpu_to_le32(*hdr_ptr++);
899
900 /* Copy captured dump data */
901 memcpy(buffer + copy_sz,
902 mdump->md_capture_buff + mdump->md_template_size,
903 mdump->md_capture_size);
904 dump->len = copy_sz + mdump->md_capture_size;
905 dump->flag = mdump->md_capture_mask;
906
907 /* Free dump area once data has been captured */
908 vfree(mdump->md_capture_buff);
909 mdump->md_capture_buff = NULL;
910 adapter->fw_mdump_rdy = 0;
911 netdev_info(netdev, "extracted the fw dump Successfully\n");
912 return 0;
913 }
914
915 const struct ethtool_ops netxen_nic_ethtool_ops = {
916 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
917 ETHTOOL_COALESCE_MAX_FRAMES,
918 .get_drvinfo = netxen_nic_get_drvinfo,
919 .get_regs_len = netxen_nic_get_regs_len,
920 .get_regs = netxen_nic_get_regs,
921 .get_link = ethtool_op_get_link,
922 .get_eeprom_len = netxen_nic_get_eeprom_len,
923 .get_eeprom = netxen_nic_get_eeprom,
924 .get_ringparam = netxen_nic_get_ringparam,
925 .set_ringparam = netxen_nic_set_ringparam,
926 .get_pauseparam = netxen_nic_get_pauseparam,
927 .set_pauseparam = netxen_nic_set_pauseparam,
928 .get_wol = netxen_nic_get_wol,
929 .set_wol = netxen_nic_set_wol,
930 .self_test = netxen_nic_diag_test,
931 .get_strings = netxen_nic_get_strings,
932 .get_ethtool_stats = netxen_nic_get_ethtool_stats,
933 .get_sset_count = netxen_get_sset_count,
934 .get_coalesce = netxen_get_intr_coalesce,
935 .set_coalesce = netxen_set_intr_coalesce,
936 .get_dump_flag = netxen_get_dump_flag,
937 .get_dump_data = netxen_get_dump_data,
938 .set_dump = netxen_set_dump,
939 .get_link_ksettings = netxen_nic_get_link_ksettings,
940 .set_link_ksettings = netxen_nic_set_link_ksettings,
941 };
942
