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 strscpy(drvinfo->driver, netxen_nic_driver_name,
69 sizeof(drvinfo->driver));
70 strscpy(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 strscpy(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,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)394 netxen_nic_get_ringparam(struct net_device *dev,
395 struct ethtool_ringparam *ring,
396 struct kernel_ethtool_ringparam *kernel_ring,
397 struct netlink_ext_ack *extack)
398 {
399 struct netxen_adapter *adapter = netdev_priv(dev);
400
401 ring->rx_pending = adapter->num_rxd;
402 ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
403 ring->rx_jumbo_pending += adapter->num_lro_rxd;
404 ring->tx_pending = adapter->num_txd;
405
406 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
407 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
408 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_1G;
409 } else {
410 ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
411 ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_10G;
412 }
413
414 ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
415 }
416
417 static u32
netxen_validate_ringparam(u32 val,u32 min,u32 max,char * r_name)418 netxen_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
419 {
420 u32 num_desc;
421 num_desc = max(val, min);
422 num_desc = min(num_desc, max);
423 num_desc = roundup_pow_of_two(num_desc);
424
425 if (val != num_desc) {
426 printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
427 netxen_nic_driver_name, r_name, num_desc, val);
428 }
429
430 return num_desc;
431 }
432
433 static int
netxen_nic_set_ringparam(struct net_device * dev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)434 netxen_nic_set_ringparam(struct net_device *dev,
435 struct ethtool_ringparam *ring,
436 struct kernel_ethtool_ringparam *kernel_ring,
437 struct netlink_ext_ack *extack)
438 {
439 struct netxen_adapter *adapter = netdev_priv(dev);
440 u16 max_rcv_desc = MAX_RCV_DESCRIPTORS_10G;
441 u16 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
442 u16 num_rxd, num_jumbo_rxd, num_txd;
443
444 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
445 return -EOPNOTSUPP;
446
447 if (ring->rx_mini_pending)
448 return -EOPNOTSUPP;
449
450 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
451 max_rcv_desc = MAX_RCV_DESCRIPTORS_1G;
452 max_jumbo_desc = MAX_JUMBO_RCV_DESCRIPTORS_10G;
453 }
454
455 num_rxd = netxen_validate_ringparam(ring->rx_pending,
456 MIN_RCV_DESCRIPTORS, max_rcv_desc, "rx");
457
458 num_jumbo_rxd = netxen_validate_ringparam(ring->rx_jumbo_pending,
459 MIN_JUMBO_DESCRIPTORS, max_jumbo_desc, "rx jumbo");
460
461 num_txd = netxen_validate_ringparam(ring->tx_pending,
462 MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
463
464 if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
465 num_jumbo_rxd == adapter->num_jumbo_rxd)
466 return 0;
467
468 adapter->num_rxd = num_rxd;
469 adapter->num_jumbo_rxd = num_jumbo_rxd;
470 adapter->num_txd = num_txd;
471
472 return netxen_nic_reset_context(adapter);
473 }
474
475 static void
netxen_nic_get_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)476 netxen_nic_get_pauseparam(struct net_device *dev,
477 struct ethtool_pauseparam *pause)
478 {
479 struct netxen_adapter *adapter = netdev_priv(dev);
480 __u32 val;
481 int port = adapter->physical_port;
482
483 pause->autoneg = 0;
484
485 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
486 if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
487 return;
488 /* get flow control settings */
489 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
490 pause->rx_pause = netxen_gb_get_rx_flowctl(val);
491 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
492 switch (port) {
493 case 0:
494 pause->tx_pause = !(netxen_gb_get_gb0_mask(val));
495 break;
496 case 1:
497 pause->tx_pause = !(netxen_gb_get_gb1_mask(val));
498 break;
499 case 2:
500 pause->tx_pause = !(netxen_gb_get_gb2_mask(val));
501 break;
502 case 3:
503 default:
504 pause->tx_pause = !(netxen_gb_get_gb3_mask(val));
505 break;
506 }
507 } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
508 if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
509 return;
510 pause->rx_pause = 1;
511 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
512 if (port == 0)
513 pause->tx_pause = !(netxen_xg_get_xg0_mask(val));
514 else
515 pause->tx_pause = !(netxen_xg_get_xg1_mask(val));
516 } else {
517 printk(KERN_ERR"%s: Unknown board type: %x\n",
518 netxen_nic_driver_name, adapter->ahw.port_type);
519 }
520 }
521
522 static int
netxen_nic_set_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)523 netxen_nic_set_pauseparam(struct net_device *dev,
524 struct ethtool_pauseparam *pause)
525 {
526 struct netxen_adapter *adapter = netdev_priv(dev);
527 __u32 val;
528 int port = adapter->physical_port;
529
530 /* not supported */
531 if (pause->autoneg)
532 return -EINVAL;
533
534 /* read mode */
535 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
536 if ((port < 0) || (port >= NETXEN_NIU_MAX_GBE_PORTS))
537 return -EIO;
538 /* set flow control */
539 val = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port));
540
541 if (pause->rx_pause)
542 netxen_gb_rx_flowctl(val);
543 else
544 netxen_gb_unset_rx_flowctl(val);
545
546 NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
547 val);
548 /* set autoneg */
549 val = NXRD32(adapter, NETXEN_NIU_GB_PAUSE_CTL);
550 switch (port) {
551 case 0:
552 if (pause->tx_pause)
553 netxen_gb_unset_gb0_mask(val);
554 else
555 netxen_gb_set_gb0_mask(val);
556 break;
557 case 1:
558 if (pause->tx_pause)
559 netxen_gb_unset_gb1_mask(val);
560 else
561 netxen_gb_set_gb1_mask(val);
562 break;
563 case 2:
564 if (pause->tx_pause)
565 netxen_gb_unset_gb2_mask(val);
566 else
567 netxen_gb_set_gb2_mask(val);
568 break;
569 case 3:
570 default:
571 if (pause->tx_pause)
572 netxen_gb_unset_gb3_mask(val);
573 else
574 netxen_gb_set_gb3_mask(val);
575 break;
576 }
577 NXWR32(adapter, NETXEN_NIU_GB_PAUSE_CTL, val);
578 } else if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
579 if ((port < 0) || (port >= NETXEN_NIU_MAX_XG_PORTS))
580 return -EIO;
581 val = NXRD32(adapter, NETXEN_NIU_XG_PAUSE_CTL);
582 if (port == 0) {
583 if (pause->tx_pause)
584 netxen_xg_unset_xg0_mask(val);
585 else
586 netxen_xg_set_xg0_mask(val);
587 } else {
588 if (pause->tx_pause)
589 netxen_xg_unset_xg1_mask(val);
590 else
591 netxen_xg_set_xg1_mask(val);
592 }
593 NXWR32(adapter, NETXEN_NIU_XG_PAUSE_CTL, val);
594 } else {
595 printk(KERN_ERR "%s: Unknown board type: %x\n",
596 netxen_nic_driver_name,
597 adapter->ahw.port_type);
598 }
599 return 0;
600 }
601
netxen_nic_reg_test(struct net_device * dev)602 static int netxen_nic_reg_test(struct net_device *dev)
603 {
604 struct netxen_adapter *adapter = netdev_priv(dev);
605 u32 data_read, data_written;
606
607 data_read = NXRD32(adapter, NETXEN_PCIX_PH_REG(0));
608 if ((data_read & 0xffff) != adapter->pdev->vendor)
609 return 1;
610
611 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
612 return 0;
613
614 data_written = (u32)0xa5a5a5a5;
615
616 NXWR32(adapter, CRB_SCRATCHPAD_TEST, data_written);
617 data_read = NXRD32(adapter, CRB_SCRATCHPAD_TEST);
618 if (data_written != data_read)
619 return 1;
620
621 return 0;
622 }
623
netxen_get_sset_count(struct net_device * dev,int sset)624 static int netxen_get_sset_count(struct net_device *dev, int sset)
625 {
626 switch (sset) {
627 case ETH_SS_TEST:
628 return NETXEN_NIC_TEST_LEN;
629 case ETH_SS_STATS:
630 return NETXEN_NIC_STATS_LEN;
631 default:
632 return -EOPNOTSUPP;
633 }
634 }
635
636 static void
netxen_nic_diag_test(struct net_device * dev,struct ethtool_test * eth_test,u64 * data)637 netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
638 u64 *data)
639 {
640 memset(data, 0, sizeof(uint64_t) * NETXEN_NIC_TEST_LEN);
641 if ((data[0] = netxen_nic_reg_test(dev)))
642 eth_test->flags |= ETH_TEST_FL_FAILED;
643 /* link test */
644 if ((data[1] = (u64) netxen_nic_test_link(dev)))
645 eth_test->flags |= ETH_TEST_FL_FAILED;
646 }
647
648 static void
netxen_nic_get_strings(struct net_device * dev,u32 stringset,u8 * data)649 netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
650 {
651 int index;
652
653 switch (stringset) {
654 case ETH_SS_TEST:
655 memcpy(data, *netxen_nic_gstrings_test,
656 NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
657 break;
658 case ETH_SS_STATS:
659 for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
660 memcpy(data + index * ETH_GSTRING_LEN,
661 netxen_nic_gstrings_stats[index].stat_string,
662 ETH_GSTRING_LEN);
663 }
664 break;
665 }
666 }
667
668 static void
netxen_nic_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)669 netxen_nic_get_ethtool_stats(struct net_device *dev,
670 struct ethtool_stats *stats, u64 *data)
671 {
672 struct netxen_adapter *adapter = netdev_priv(dev);
673 int index;
674
675 for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
676 char *p =
677 (char *)adapter +
678 netxen_nic_gstrings_stats[index].stat_offset;
679 data[index] =
680 (netxen_nic_gstrings_stats[index].sizeof_stat ==
681 sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
682 }
683 }
684
685 static void
netxen_nic_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)686 netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
687 {
688 struct netxen_adapter *adapter = netdev_priv(dev);
689 u32 wol_cfg = 0;
690
691 wol->supported = 0;
692 wol->wolopts = 0;
693
694 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
695 return;
696
697 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
698 if (wol_cfg & (1UL << adapter->portnum))
699 wol->supported |= WAKE_MAGIC;
700
701 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
702 if (wol_cfg & (1UL << adapter->portnum))
703 wol->wolopts |= WAKE_MAGIC;
704 }
705
706 static int
netxen_nic_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)707 netxen_nic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
708 {
709 struct netxen_adapter *adapter = netdev_priv(dev);
710 u32 wol_cfg = 0;
711
712 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
713 return -EOPNOTSUPP;
714
715 if (wol->wolopts & ~WAKE_MAGIC)
716 return -EOPNOTSUPP;
717
718 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
719 if (!(wol_cfg & (1 << adapter->portnum)))
720 return -EOPNOTSUPP;
721
722 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
723 if (wol->wolopts & WAKE_MAGIC)
724 wol_cfg |= 1UL << adapter->portnum;
725 else
726 wol_cfg &= ~(1UL << adapter->portnum);
727 NXWR32(adapter, NETXEN_WOL_CONFIG, wol_cfg);
728
729 return 0;
730 }
731
732 /*
733 * Set the coalescing parameters. Currently only normal is supported.
734 * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
735 * firmware coalescing to default.
736 */
netxen_set_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)737 static int netxen_set_intr_coalesce(struct net_device *netdev,
738 struct ethtool_coalesce *ethcoal,
739 struct kernel_ethtool_coalesce *kernel_coal,
740 struct netlink_ext_ack *extack)
741 {
742 struct netxen_adapter *adapter = netdev_priv(netdev);
743
744 if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
745 return -EINVAL;
746
747 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
748 return -EINVAL;
749
750 /*
751 * Return Error if unsupported values or
752 * unsupported parameters are set.
753 */
754 if (ethcoal->rx_coalesce_usecs > 0xffff ||
755 ethcoal->rx_max_coalesced_frames > 0xffff ||
756 ethcoal->tx_coalesce_usecs > 0xffff ||
757 ethcoal->tx_max_coalesced_frames > 0xffff)
758 return -EINVAL;
759
760 if (!ethcoal->rx_coalesce_usecs ||
761 !ethcoal->rx_max_coalesced_frames) {
762 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
763 adapter->coal.normal.data.rx_time_us =
764 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
765 adapter->coal.normal.data.rx_packets =
766 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
767 } else {
768 adapter->coal.flags = 0;
769 adapter->coal.normal.data.rx_time_us =
770 ethcoal->rx_coalesce_usecs;
771 adapter->coal.normal.data.rx_packets =
772 ethcoal->rx_max_coalesced_frames;
773 }
774 adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
775 adapter->coal.normal.data.tx_packets =
776 ethcoal->tx_max_coalesced_frames;
777
778 netxen_config_intr_coalesce(adapter);
779
780 return 0;
781 }
782
netxen_get_intr_coalesce(struct net_device * netdev,struct ethtool_coalesce * ethcoal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)783 static int netxen_get_intr_coalesce(struct net_device *netdev,
784 struct ethtool_coalesce *ethcoal,
785 struct kernel_ethtool_coalesce *kernel_coal,
786 struct netlink_ext_ack *extack)
787 {
788 struct netxen_adapter *adapter = netdev_priv(netdev);
789
790 if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
791 return -EINVAL;
792
793 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
794 return -EINVAL;
795
796 ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
797 ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
798 ethcoal->rx_max_coalesced_frames =
799 adapter->coal.normal.data.rx_packets;
800 ethcoal->tx_max_coalesced_frames =
801 adapter->coal.normal.data.tx_packets;
802
803 return 0;
804 }
805
806 static int
netxen_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)807 netxen_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
808 {
809 struct netxen_adapter *adapter = netdev_priv(netdev);
810 struct netxen_minidump *mdump = &adapter->mdump;
811 if (adapter->fw_mdump_rdy)
812 dump->len = mdump->md_dump_size;
813 else
814 dump->len = 0;
815
816 if (!mdump->md_enabled)
817 dump->flag = ETH_FW_DUMP_DISABLE;
818 else
819 dump->flag = mdump->md_capture_mask;
820
821 dump->version = adapter->fw_version;
822 return 0;
823 }
824
825 /* Fw dump levels */
826 static const u32 FW_DUMP_LEVELS[] = { 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff };
827
828 static int
netxen_set_dump(struct net_device * netdev,struct ethtool_dump * val)829 netxen_set_dump(struct net_device *netdev, struct ethtool_dump *val)
830 {
831 int i;
832 struct netxen_adapter *adapter = netdev_priv(netdev);
833 struct netxen_minidump *mdump = &adapter->mdump;
834
835 switch (val->flag) {
836 case NX_FORCE_FW_DUMP_KEY:
837 if (!mdump->md_enabled) {
838 netdev_info(netdev, "FW dump not enabled\n");
839 return 0;
840 }
841 if (adapter->fw_mdump_rdy) {
842 netdev_info(netdev, "Previous dump not cleared, not forcing dump\n");
843 return 0;
844 }
845 netdev_info(netdev, "Forcing a fw dump\n");
846 nx_dev_request_reset(adapter);
847 break;
848 case NX_DISABLE_FW_DUMP:
849 if (mdump->md_enabled) {
850 netdev_info(netdev, "Disabling FW Dump\n");
851 mdump->md_enabled = 0;
852 }
853 break;
854 case NX_ENABLE_FW_DUMP:
855 if (!mdump->md_enabled) {
856 netdev_info(netdev, "Enabling FW dump\n");
857 mdump->md_enabled = 1;
858 }
859 break;
860 case NX_FORCE_FW_RESET:
861 netdev_info(netdev, "Forcing FW reset\n");
862 nx_dev_request_reset(adapter);
863 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
864 break;
865 default:
866 for (i = 0; i < ARRAY_SIZE(FW_DUMP_LEVELS); i++) {
867 if (val->flag == FW_DUMP_LEVELS[i]) {
868 mdump->md_capture_mask = val->flag;
869 netdev_info(netdev,
870 "Driver mask changed to: 0x%x\n",
871 mdump->md_capture_mask);
872 return 0;
873 }
874 }
875 netdev_info(netdev,
876 "Invalid dump level: 0x%x\n", val->flag);
877 return -EINVAL;
878 }
879
880 return 0;
881 }
882
883 static int
netxen_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buffer)884 netxen_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
885 void *buffer)
886 {
887 int i, copy_sz;
888 u32 *hdr_ptr, *data;
889 struct netxen_adapter *adapter = netdev_priv(netdev);
890 struct netxen_minidump *mdump = &adapter->mdump;
891
892
893 if (!adapter->fw_mdump_rdy) {
894 netdev_info(netdev, "Dump not available\n");
895 return -EINVAL;
896 }
897 /* Copy template header first */
898 copy_sz = mdump->md_template_size;
899 hdr_ptr = (u32 *) mdump->md_template;
900 data = buffer;
901 for (i = 0; i < copy_sz/sizeof(u32); i++)
902 *data++ = cpu_to_le32(*hdr_ptr++);
903
904 /* Copy captured dump data */
905 memcpy(buffer + copy_sz,
906 mdump->md_capture_buff + mdump->md_template_size,
907 mdump->md_capture_size);
908 dump->len = copy_sz + mdump->md_capture_size;
909 dump->flag = mdump->md_capture_mask;
910
911 /* Free dump area once data has been captured */
912 vfree(mdump->md_capture_buff);
913 mdump->md_capture_buff = NULL;
914 adapter->fw_mdump_rdy = 0;
915 netdev_info(netdev, "extracted the fw dump Successfully\n");
916 return 0;
917 }
918
919 const struct ethtool_ops netxen_nic_ethtool_ops = {
920 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
921 ETHTOOL_COALESCE_MAX_FRAMES,
922 .get_drvinfo = netxen_nic_get_drvinfo,
923 .get_regs_len = netxen_nic_get_regs_len,
924 .get_regs = netxen_nic_get_regs,
925 .get_link = ethtool_op_get_link,
926 .get_eeprom_len = netxen_nic_get_eeprom_len,
927 .get_eeprom = netxen_nic_get_eeprom,
928 .get_ringparam = netxen_nic_get_ringparam,
929 .set_ringparam = netxen_nic_set_ringparam,
930 .get_pauseparam = netxen_nic_get_pauseparam,
931 .set_pauseparam = netxen_nic_set_pauseparam,
932 .get_wol = netxen_nic_get_wol,
933 .set_wol = netxen_nic_set_wol,
934 .self_test = netxen_nic_diag_test,
935 .get_strings = netxen_nic_get_strings,
936 .get_ethtool_stats = netxen_nic_get_ethtool_stats,
937 .get_sset_count = netxen_get_sset_count,
938 .get_coalesce = netxen_get_intr_coalesce,
939 .set_coalesce = netxen_set_intr_coalesce,
940 .get_dump_flag = netxen_get_dump_flag,
941 .get_dump_data = netxen_get_dump_data,
942 .set_dump = netxen_set_dump,
943 .get_link_ksettings = netxen_nic_get_link_ksettings,
944 .set_link_ksettings = netxen_nic_set_link_ksettings,
945 };
946