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8199d3a7 CL |
1 | /***************************************************************************** |
2 | * * | |
3 | * File: cxgb2.c * | |
559fb51b SB |
4 | * $Revision: 1.25 $ * |
5 | * $Date: 2005/06/22 00:43:25 $ * | |
8199d3a7 CL |
6 | * Description: * |
7 | * Chelsio 10Gb Ethernet Driver. * | |
8 | * * | |
9 | * This program is free software; you can redistribute it and/or modify * | |
10 | * it under the terms of the GNU General Public License, version 2, as * | |
11 | * published by the Free Software Foundation. * | |
12 | * * | |
13 | * You should have received a copy of the GNU General Public License along * | |
14 | * with this program; if not, write to the Free Software Foundation, Inc., * | |
15 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * | |
16 | * * | |
17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * | |
18 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * | |
19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * | |
20 | * * | |
21 | * http://www.chelsio.com * | |
22 | * * | |
23 | * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * | |
24 | * All rights reserved. * | |
25 | * * | |
26 | * Maintainers: maintainers@chelsio.com * | |
27 | * * | |
28 | * Authors: Dimitrios Michailidis <dm@chelsio.com> * | |
29 | * Tina Yang <tainay@chelsio.com> * | |
30 | * Felix Marti <felix@chelsio.com> * | |
31 | * Scott Bardone <sbardone@chelsio.com> * | |
32 | * Kurt Ottaway <kottaway@chelsio.com> * | |
33 | * Frank DiMambro <frank@chelsio.com> * | |
34 | * * | |
35 | * History: * | |
36 | * * | |
37 | ****************************************************************************/ | |
38 | ||
39 | #include "common.h" | |
8199d3a7 CL |
40 | #include <linux/module.h> |
41 | #include <linux/init.h> | |
42 | #include <linux/pci.h> | |
43 | #include <linux/netdevice.h> | |
44 | #include <linux/etherdevice.h> | |
45 | #include <linux/if_vlan.h> | |
46 | #include <linux/mii.h> | |
47 | #include <linux/sockios.h> | |
48 | #include <linux/proc_fs.h> | |
559fb51b | 49 | #include <linux/dma-mapping.h> |
8199d3a7 CL |
50 | #include <asm/uaccess.h> |
51 | ||
8199d3a7 CL |
52 | #include "cpl5_cmd.h" |
53 | #include "regs.h" | |
54 | #include "gmac.h" | |
55 | #include "cphy.h" | |
56 | #include "sge.h" | |
8199d3a7 CL |
57 | #include "espi.h" |
58 | ||
559fb51b SB |
59 | #ifdef work_struct |
60 | #include <linux/tqueue.h> | |
61 | #define INIT_WORK INIT_TQUEUE | |
62 | #define schedule_work schedule_task | |
63 | #define flush_scheduled_work flush_scheduled_tasks | |
64 | ||
8199d3a7 CL |
65 | static inline void schedule_mac_stats_update(struct adapter *ap, int secs) |
66 | { | |
559fb51b | 67 | mod_timer(&ap->stats_update_timer, jiffies + secs * HZ); |
8199d3a7 CL |
68 | } |
69 | ||
70 | static inline void cancel_mac_stats_update(struct adapter *ap) | |
71 | { | |
559fb51b SB |
72 | del_timer_sync(&ap->stats_update_timer); |
73 | flush_scheduled_tasks(); | |
8199d3a7 CL |
74 | } |
75 | ||
559fb51b SB |
76 | /* |
77 | * Stats update timer for 2.4. It schedules a task to do the actual update as | |
78 | * we need to access MAC statistics in process context. | |
79 | */ | |
80 | static void mac_stats_timer(unsigned long data) | |
81 | { | |
82 | struct adapter *ap = (struct adapter *)data; | |
8199d3a7 | 83 | |
559fb51b SB |
84 | schedule_task(&ap->stats_update_task); |
85 | } | |
86 | #else | |
87 | #include <linux/workqueue.h> | |
8199d3a7 | 88 | |
559fb51b SB |
89 | static inline void schedule_mac_stats_update(struct adapter *ap, int secs) |
90 | { | |
91 | schedule_delayed_work(&ap->stats_update_task, secs * HZ); | |
92 | } | |
8199d3a7 | 93 | |
559fb51b SB |
94 | static inline void cancel_mac_stats_update(struct adapter *ap) |
95 | { | |
96 | cancel_delayed_work(&ap->stats_update_task); | |
97 | } | |
98 | #endif | |
8199d3a7 CL |
99 | |
100 | #define MAX_CMDQ_ENTRIES 16384 | |
101 | #define MAX_CMDQ1_ENTRIES 1024 | |
102 | #define MAX_RX_BUFFERS 16384 | |
103 | #define MAX_RX_JUMBO_BUFFERS 16384 | |
104 | #define MAX_TX_BUFFERS_HIGH 16384U | |
105 | #define MAX_TX_BUFFERS_LOW 1536U | |
106 | #define MIN_FL_ENTRIES 32 | |
107 | ||
108 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) | |
109 | ||
110 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ | |
111 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ | |
112 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) | |
113 | ||
114 | /* | |
115 | * The EEPROM is actually bigger but only the first few bytes are used so we | |
116 | * only report those. | |
117 | */ | |
118 | #define EEPROM_SIZE 32 | |
119 | ||
559fb51b | 120 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
8199d3a7 CL |
121 | MODULE_AUTHOR("Chelsio Communications"); |
122 | MODULE_LICENSE("GPL"); | |
8199d3a7 CL |
123 | |
124 | static int dflt_msg_enable = DFLT_MSG_ENABLE; | |
125 | ||
8d3b33f6 | 126 | module_param(dflt_msg_enable, int, 0); |
8199d3a7 CL |
127 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T1 message enable bitmap"); |
128 | ||
129 | ||
130 | static const char pci_speed[][4] = { | |
131 | "33", "66", "100", "133" | |
132 | }; | |
133 | ||
134 | /* | |
135 | * Setup MAC to receive the types of packets we want. | |
136 | */ | |
137 | static void t1_set_rxmode(struct net_device *dev) | |
138 | { | |
139 | struct adapter *adapter = dev->priv; | |
140 | struct cmac *mac = adapter->port[dev->if_port].mac; | |
141 | struct t1_rx_mode rm; | |
142 | ||
143 | rm.dev = dev; | |
144 | rm.idx = 0; | |
145 | rm.list = dev->mc_list; | |
146 | mac->ops->set_rx_mode(mac, &rm); | |
147 | } | |
148 | ||
149 | static void link_report(struct port_info *p) | |
150 | { | |
151 | if (!netif_carrier_ok(p->dev)) | |
559fb51b | 152 | printk(KERN_INFO "%s: link down\n", p->dev->name); |
8199d3a7 | 153 | else { |
559fb51b | 154 | const char *s = "10Mbps"; |
8199d3a7 CL |
155 | |
156 | switch (p->link_config.speed) { | |
559fb51b SB |
157 | case SPEED_10000: s = "10Gbps"; break; |
158 | case SPEED_1000: s = "1000Mbps"; break; | |
159 | case SPEED_100: s = "100Mbps"; break; | |
8199d3a7 CL |
160 | } |
161 | ||
559fb51b | 162 | printk(KERN_INFO "%s: link up, %s, %s-duplex\n", |
8199d3a7 CL |
163 | p->dev->name, s, |
164 | p->link_config.duplex == DUPLEX_FULL ? "full" : "half"); | |
165 | } | |
166 | } | |
167 | ||
168 | void t1_link_changed(struct adapter *adapter, int port_id, int link_stat, | |
169 | int speed, int duplex, int pause) | |
170 | { | |
171 | struct port_info *p = &adapter->port[port_id]; | |
172 | ||
173 | if (link_stat != netif_carrier_ok(p->dev)) { | |
174 | if (link_stat) | |
175 | netif_carrier_on(p->dev); | |
176 | else | |
177 | netif_carrier_off(p->dev); | |
178 | link_report(p); | |
179 | ||
180 | } | |
181 | } | |
182 | ||
183 | static void link_start(struct port_info *p) | |
184 | { | |
185 | struct cmac *mac = p->mac; | |
186 | ||
187 | mac->ops->reset(mac); | |
188 | if (mac->ops->macaddress_set) | |
189 | mac->ops->macaddress_set(mac, p->dev->dev_addr); | |
190 | t1_set_rxmode(p->dev); | |
191 | t1_link_start(p->phy, mac, &p->link_config); | |
192 | mac->ops->enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
193 | } | |
194 | ||
195 | static void enable_hw_csum(struct adapter *adapter) | |
196 | { | |
197 | if (adapter->flags & TSO_CAPABLE) | |
559fb51b SB |
198 | t1_tp_set_ip_checksum_offload(adapter, 1); /* for TSO only */ |
199 | t1_tp_set_tcp_checksum_offload(adapter, 1); | |
8199d3a7 CL |
200 | } |
201 | ||
202 | /* | |
203 | * Things to do upon first use of a card. | |
204 | * This must run with the rtnl lock held. | |
205 | */ | |
206 | static int cxgb_up(struct adapter *adapter) | |
207 | { | |
208 | int err = 0; | |
209 | ||
210 | if (!(adapter->flags & FULL_INIT_DONE)) { | |
211 | err = t1_init_hw_modules(adapter); | |
212 | if (err) | |
213 | goto out_err; | |
214 | ||
215 | enable_hw_csum(adapter); | |
216 | adapter->flags |= FULL_INIT_DONE; | |
217 | } | |
218 | ||
219 | t1_interrupts_clear(adapter); | |
559fb51b | 220 | if ((err = request_irq(adapter->pdev->irq, |
1fb9df5d | 221 | t1_select_intr_handler(adapter), IRQF_SHARED, |
559fb51b | 222 | adapter->name, adapter))) { |
8199d3a7 | 223 | goto out_err; |
559fb51b | 224 | } |
8199d3a7 CL |
225 | t1_sge_start(adapter->sge); |
226 | t1_interrupts_enable(adapter); | |
8199d3a7 CL |
227 | out_err: |
228 | return err; | |
229 | } | |
230 | ||
231 | /* | |
232 | * Release resources when all the ports have been stopped. | |
233 | */ | |
234 | static void cxgb_down(struct adapter *adapter) | |
235 | { | |
236 | t1_sge_stop(adapter->sge); | |
237 | t1_interrupts_disable(adapter); | |
238 | free_irq(adapter->pdev->irq, adapter); | |
239 | } | |
240 | ||
241 | static int cxgb_open(struct net_device *dev) | |
242 | { | |
243 | int err; | |
244 | struct adapter *adapter = dev->priv; | |
245 | int other_ports = adapter->open_device_map & PORT_MASK; | |
246 | ||
247 | if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) | |
248 | return err; | |
249 | ||
250 | __set_bit(dev->if_port, &adapter->open_device_map); | |
251 | link_start(&adapter->port[dev->if_port]); | |
252 | netif_start_queue(dev); | |
253 | if (!other_ports && adapter->params.stats_update_period) | |
254 | schedule_mac_stats_update(adapter, | |
255 | adapter->params.stats_update_period); | |
256 | return 0; | |
257 | } | |
258 | ||
259 | static int cxgb_close(struct net_device *dev) | |
260 | { | |
261 | struct adapter *adapter = dev->priv; | |
262 | struct port_info *p = &adapter->port[dev->if_port]; | |
263 | struct cmac *mac = p->mac; | |
264 | ||
265 | netif_stop_queue(dev); | |
266 | mac->ops->disable(mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); | |
267 | netif_carrier_off(dev); | |
268 | ||
269 | clear_bit(dev->if_port, &adapter->open_device_map); | |
270 | if (adapter->params.stats_update_period && | |
271 | !(adapter->open_device_map & PORT_MASK)) { | |
272 | /* Stop statistics accumulation. */ | |
273 | smp_mb__after_clear_bit(); | |
274 | spin_lock(&adapter->work_lock); /* sync with update task */ | |
275 | spin_unlock(&adapter->work_lock); | |
276 | cancel_mac_stats_update(adapter); | |
277 | } | |
278 | ||
279 | if (!adapter->open_device_map) | |
280 | cxgb_down(adapter); | |
281 | return 0; | |
282 | } | |
283 | ||
284 | static struct net_device_stats *t1_get_stats(struct net_device *dev) | |
285 | { | |
286 | struct adapter *adapter = dev->priv; | |
287 | struct port_info *p = &adapter->port[dev->if_port]; | |
288 | struct net_device_stats *ns = &p->netstats; | |
289 | const struct cmac_statistics *pstats; | |
290 | ||
291 | /* Do a full update of the MAC stats */ | |
292 | pstats = p->mac->ops->statistics_update(p->mac, | |
293 | MAC_STATS_UPDATE_FULL); | |
294 | ||
295 | ns->tx_packets = pstats->TxUnicastFramesOK + | |
296 | pstats->TxMulticastFramesOK + pstats->TxBroadcastFramesOK; | |
297 | ||
298 | ns->rx_packets = pstats->RxUnicastFramesOK + | |
299 | pstats->RxMulticastFramesOK + pstats->RxBroadcastFramesOK; | |
300 | ||
301 | ns->tx_bytes = pstats->TxOctetsOK; | |
302 | ns->rx_bytes = pstats->RxOctetsOK; | |
303 | ||
304 | ns->tx_errors = pstats->TxLateCollisions + pstats->TxLengthErrors + | |
305 | pstats->TxUnderrun + pstats->TxFramesAbortedDueToXSCollisions; | |
306 | ns->rx_errors = pstats->RxDataErrors + pstats->RxJabberErrors + | |
307 | pstats->RxFCSErrors + pstats->RxAlignErrors + | |
308 | pstats->RxSequenceErrors + pstats->RxFrameTooLongErrors + | |
309 | pstats->RxSymbolErrors + pstats->RxRuntErrors; | |
310 | ||
311 | ns->multicast = pstats->RxMulticastFramesOK; | |
312 | ns->collisions = pstats->TxTotalCollisions; | |
313 | ||
314 | /* detailed rx_errors */ | |
315 | ns->rx_length_errors = pstats->RxFrameTooLongErrors + | |
316 | pstats->RxJabberErrors; | |
317 | ns->rx_over_errors = 0; | |
318 | ns->rx_crc_errors = pstats->RxFCSErrors; | |
319 | ns->rx_frame_errors = pstats->RxAlignErrors; | |
320 | ns->rx_fifo_errors = 0; | |
321 | ns->rx_missed_errors = 0; | |
322 | ||
323 | /* detailed tx_errors */ | |
324 | ns->tx_aborted_errors = pstats->TxFramesAbortedDueToXSCollisions; | |
325 | ns->tx_carrier_errors = 0; | |
326 | ns->tx_fifo_errors = pstats->TxUnderrun; | |
327 | ns->tx_heartbeat_errors = 0; | |
328 | ns->tx_window_errors = pstats->TxLateCollisions; | |
329 | return ns; | |
330 | } | |
331 | ||
332 | static u32 get_msglevel(struct net_device *dev) | |
333 | { | |
334 | struct adapter *adapter = dev->priv; | |
335 | ||
336 | return adapter->msg_enable; | |
337 | } | |
338 | ||
339 | static void set_msglevel(struct net_device *dev, u32 val) | |
340 | { | |
341 | struct adapter *adapter = dev->priv; | |
342 | ||
343 | adapter->msg_enable = val; | |
344 | } | |
345 | ||
346 | static char stats_strings[][ETH_GSTRING_LEN] = { | |
559fb51b SB |
347 | "TxOctetsOK", |
348 | "TxOctetsBad", | |
349 | "TxUnicastFramesOK", | |
350 | "TxMulticastFramesOK", | |
351 | "TxBroadcastFramesOK", | |
352 | "TxPauseFrames", | |
353 | "TxFramesWithDeferredXmissions", | |
354 | "TxLateCollisions", | |
355 | "TxTotalCollisions", | |
356 | "TxFramesAbortedDueToXSCollisions", | |
357 | "TxUnderrun", | |
358 | "TxLengthErrors", | |
359 | "TxInternalMACXmitError", | |
360 | "TxFramesWithExcessiveDeferral", | |
361 | "TxFCSErrors", | |
362 | ||
363 | "RxOctetsOK", | |
364 | "RxOctetsBad", | |
365 | "RxUnicastFramesOK", | |
366 | "RxMulticastFramesOK", | |
367 | "RxBroadcastFramesOK", | |
368 | "RxPauseFrames", | |
369 | "RxFCSErrors", | |
370 | "RxAlignErrors", | |
371 | "RxSymbolErrors", | |
372 | "RxDataErrors", | |
373 | "RxSequenceErrors", | |
374 | "RxRuntErrors", | |
375 | "RxJabberErrors", | |
376 | "RxInternalMACRcvError", | |
377 | "RxInRangeLengthErrors", | |
378 | "RxOutOfRangeLengthField", | |
379 | "RxFrameTooLongErrors", | |
380 | ||
381 | "TSO", | |
382 | "VLANextractions", | |
383 | "VLANinsertions", | |
384 | "RxCsumGood", | |
385 | "TxCsumOffload", | |
386 | "RxDrops" | |
387 | ||
388 | "respQ_empty", | |
389 | "respQ_overflow", | |
390 | "freelistQ_empty", | |
391 | "pkt_too_big", | |
392 | "pkt_mismatch", | |
393 | "cmdQ_full0", | |
394 | "cmdQ_full1", | |
395 | "tx_ipfrags", | |
396 | "tx_reg_pkts", | |
397 | "tx_lso_pkts", | |
398 | "tx_do_cksum", | |
399 | ||
400 | "espi_DIP2ParityErr", | |
401 | "espi_DIP4Err", | |
402 | "espi_RxDrops", | |
403 | "espi_TxDrops", | |
404 | "espi_RxOvfl", | |
405 | "espi_ParityErr" | |
8199d3a7 | 406 | }; |
559fb51b SB |
407 | |
408 | #define T2_REGMAP_SIZE (3 * 1024) | |
409 | ||
410 | static int get_regs_len(struct net_device *dev) | |
411 | { | |
412 | return T2_REGMAP_SIZE; | |
413 | } | |
8199d3a7 CL |
414 | |
415 | static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
416 | { | |
417 | struct adapter *adapter = dev->priv; | |
418 | ||
559fb51b SB |
419 | strcpy(info->driver, DRV_NAME); |
420 | strcpy(info->version, DRV_VERSION); | |
8199d3a7 CL |
421 | strcpy(info->fw_version, "N/A"); |
422 | strcpy(info->bus_info, pci_name(adapter->pdev)); | |
423 | } | |
424 | ||
425 | static int get_stats_count(struct net_device *dev) | |
426 | { | |
427 | return ARRAY_SIZE(stats_strings); | |
428 | } | |
429 | ||
430 | static void get_strings(struct net_device *dev, u32 stringset, u8 *data) | |
431 | { | |
432 | if (stringset == ETH_SS_STATS) | |
433 | memcpy(data, stats_strings, sizeof(stats_strings)); | |
434 | } | |
435 | ||
436 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, | |
437 | u64 *data) | |
438 | { | |
439 | struct adapter *adapter = dev->priv; | |
440 | struct cmac *mac = adapter->port[dev->if_port].mac; | |
441 | const struct cmac_statistics *s; | |
559fb51b SB |
442 | const struct sge_port_stats *ss; |
443 | const struct sge_intr_counts *t; | |
8199d3a7 CL |
444 | |
445 | s = mac->ops->statistics_update(mac, MAC_STATS_UPDATE_FULL); | |
559fb51b SB |
446 | ss = t1_sge_get_port_stats(adapter->sge, dev->if_port); |
447 | t = t1_sge_get_intr_counts(adapter->sge); | |
448 | ||
449 | *data++ = s->TxOctetsOK; | |
450 | *data++ = s->TxOctetsBad; | |
451 | *data++ = s->TxUnicastFramesOK; | |
452 | *data++ = s->TxMulticastFramesOK; | |
453 | *data++ = s->TxBroadcastFramesOK; | |
454 | *data++ = s->TxPauseFrames; | |
455 | *data++ = s->TxFramesWithDeferredXmissions; | |
456 | *data++ = s->TxLateCollisions; | |
457 | *data++ = s->TxTotalCollisions; | |
458 | *data++ = s->TxFramesAbortedDueToXSCollisions; | |
459 | *data++ = s->TxUnderrun; | |
460 | *data++ = s->TxLengthErrors; | |
461 | *data++ = s->TxInternalMACXmitError; | |
462 | *data++ = s->TxFramesWithExcessiveDeferral; | |
463 | *data++ = s->TxFCSErrors; | |
464 | ||
465 | *data++ = s->RxOctetsOK; | |
466 | *data++ = s->RxOctetsBad; | |
467 | *data++ = s->RxUnicastFramesOK; | |
468 | *data++ = s->RxMulticastFramesOK; | |
469 | *data++ = s->RxBroadcastFramesOK; | |
470 | *data++ = s->RxPauseFrames; | |
471 | *data++ = s->RxFCSErrors; | |
472 | *data++ = s->RxAlignErrors; | |
473 | *data++ = s->RxSymbolErrors; | |
474 | *data++ = s->RxDataErrors; | |
475 | *data++ = s->RxSequenceErrors; | |
476 | *data++ = s->RxRuntErrors; | |
477 | *data++ = s->RxJabberErrors; | |
478 | *data++ = s->RxInternalMACRcvError; | |
479 | *data++ = s->RxInRangeLengthErrors; | |
480 | *data++ = s->RxOutOfRangeLengthField; | |
481 | *data++ = s->RxFrameTooLongErrors; | |
482 | ||
483 | *data++ = ss->tso; | |
484 | *data++ = ss->vlan_xtract; | |
485 | *data++ = ss->vlan_insert; | |
486 | *data++ = ss->rx_cso_good; | |
487 | *data++ = ss->tx_cso; | |
488 | *data++ = ss->rx_drops; | |
489 | ||
490 | *data++ = (u64)t->respQ_empty; | |
491 | *data++ = (u64)t->respQ_overflow; | |
492 | *data++ = (u64)t->freelistQ_empty; | |
493 | *data++ = (u64)t->pkt_too_big; | |
494 | *data++ = (u64)t->pkt_mismatch; | |
495 | *data++ = (u64)t->cmdQ_full[0]; | |
496 | *data++ = (u64)t->cmdQ_full[1]; | |
497 | *data++ = (u64)t->tx_ipfrags; | |
498 | *data++ = (u64)t->tx_reg_pkts; | |
499 | *data++ = (u64)t->tx_lso_pkts; | |
500 | *data++ = (u64)t->tx_do_cksum; | |
501 | } | |
502 | ||
503 | static inline void reg_block_dump(struct adapter *ap, void *buf, | |
504 | unsigned int start, unsigned int end) | |
505 | { | |
506 | u32 *p = buf + start; | |
507 | ||
508 | for ( ; start <= end; start += sizeof(u32)) | |
509 | *p++ = readl(ap->regs + start); | |
510 | } | |
8199d3a7 | 511 | |
559fb51b SB |
512 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, |
513 | void *buf) | |
514 | { | |
515 | struct adapter *ap = dev->priv; | |
516 | ||
517 | /* | |
518 | * Version scheme: bits 0..9: chip version, bits 10..15: chip revision | |
519 | */ | |
520 | regs->version = 2; | |
521 | ||
522 | memset(buf, 0, T2_REGMAP_SIZE); | |
523 | reg_block_dump(ap, buf, 0, A_SG_RESPACCUTIMER); | |
8199d3a7 CL |
524 | } |
525 | ||
526 | static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
527 | { | |
528 | struct adapter *adapter = dev->priv; | |
529 | struct port_info *p = &adapter->port[dev->if_port]; | |
530 | ||
531 | cmd->supported = p->link_config.supported; | |
532 | cmd->advertising = p->link_config.advertising; | |
533 | ||
534 | if (netif_carrier_ok(dev)) { | |
535 | cmd->speed = p->link_config.speed; | |
536 | cmd->duplex = p->link_config.duplex; | |
537 | } else { | |
538 | cmd->speed = -1; | |
539 | cmd->duplex = -1; | |
540 | } | |
541 | ||
559fb51b SB |
542 | cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; |
543 | cmd->phy_address = p->phy->addr; | |
544 | cmd->transceiver = XCVR_EXTERNAL; | |
545 | cmd->autoneg = p->link_config.autoneg; | |
546 | cmd->maxtxpkt = 0; | |
547 | cmd->maxrxpkt = 0; | |
8199d3a7 CL |
548 | return 0; |
549 | } | |
550 | ||
551 | static int speed_duplex_to_caps(int speed, int duplex) | |
552 | { | |
553 | int cap = 0; | |
554 | ||
555 | switch (speed) { | |
556 | case SPEED_10: | |
557 | if (duplex == DUPLEX_FULL) | |
558 | cap = SUPPORTED_10baseT_Full; | |
559 | else | |
560 | cap = SUPPORTED_10baseT_Half; | |
561 | break; | |
562 | case SPEED_100: | |
563 | if (duplex == DUPLEX_FULL) | |
564 | cap = SUPPORTED_100baseT_Full; | |
565 | else | |
566 | cap = SUPPORTED_100baseT_Half; | |
567 | break; | |
568 | case SPEED_1000: | |
569 | if (duplex == DUPLEX_FULL) | |
570 | cap = SUPPORTED_1000baseT_Full; | |
571 | else | |
572 | cap = SUPPORTED_1000baseT_Half; | |
573 | break; | |
574 | case SPEED_10000: | |
575 | if (duplex == DUPLEX_FULL) | |
576 | cap = SUPPORTED_10000baseT_Full; | |
577 | } | |
578 | return cap; | |
579 | } | |
580 | ||
581 | #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ | |
582 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ | |
583 | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ | |
584 | ADVERTISED_10000baseT_Full) | |
585 | ||
586 | static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
587 | { | |
588 | struct adapter *adapter = dev->priv; | |
589 | struct port_info *p = &adapter->port[dev->if_port]; | |
590 | struct link_config *lc = &p->link_config; | |
591 | ||
592 | if (!(lc->supported & SUPPORTED_Autoneg)) | |
559fb51b | 593 | return -EOPNOTSUPP; /* can't change speed/duplex */ |
8199d3a7 CL |
594 | |
595 | if (cmd->autoneg == AUTONEG_DISABLE) { | |
596 | int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); | |
597 | ||
598 | if (!(lc->supported & cap) || cmd->speed == SPEED_1000) | |
599 | return -EINVAL; | |
600 | lc->requested_speed = cmd->speed; | |
601 | lc->requested_duplex = cmd->duplex; | |
602 | lc->advertising = 0; | |
603 | } else { | |
604 | cmd->advertising &= ADVERTISED_MASK; | |
605 | if (cmd->advertising & (cmd->advertising - 1)) | |
606 | cmd->advertising = lc->supported; | |
607 | cmd->advertising &= lc->supported; | |
608 | if (!cmd->advertising) | |
609 | return -EINVAL; | |
610 | lc->requested_speed = SPEED_INVALID; | |
611 | lc->requested_duplex = DUPLEX_INVALID; | |
612 | lc->advertising = cmd->advertising | ADVERTISED_Autoneg; | |
613 | } | |
614 | lc->autoneg = cmd->autoneg; | |
615 | if (netif_running(dev)) | |
616 | t1_link_start(p->phy, p->mac, lc); | |
617 | return 0; | |
618 | } | |
619 | ||
620 | static void get_pauseparam(struct net_device *dev, | |
621 | struct ethtool_pauseparam *epause) | |
622 | { | |
623 | struct adapter *adapter = dev->priv; | |
624 | struct port_info *p = &adapter->port[dev->if_port]; | |
625 | ||
626 | epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; | |
627 | epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; | |
628 | epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; | |
629 | } | |
630 | ||
631 | static int set_pauseparam(struct net_device *dev, | |
632 | struct ethtool_pauseparam *epause) | |
633 | { | |
634 | struct adapter *adapter = dev->priv; | |
635 | struct port_info *p = &adapter->port[dev->if_port]; | |
636 | struct link_config *lc = &p->link_config; | |
637 | ||
638 | if (epause->autoneg == AUTONEG_DISABLE) | |
639 | lc->requested_fc = 0; | |
640 | else if (lc->supported & SUPPORTED_Autoneg) | |
641 | lc->requested_fc = PAUSE_AUTONEG; | |
642 | else | |
643 | return -EINVAL; | |
644 | ||
645 | if (epause->rx_pause) | |
646 | lc->requested_fc |= PAUSE_RX; | |
647 | if (epause->tx_pause) | |
648 | lc->requested_fc |= PAUSE_TX; | |
649 | if (lc->autoneg == AUTONEG_ENABLE) { | |
650 | if (netif_running(dev)) | |
651 | t1_link_start(p->phy, p->mac, lc); | |
652 | } else { | |
653 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
654 | if (netif_running(dev)) | |
655 | p->mac->ops->set_speed_duplex_fc(p->mac, -1, -1, | |
656 | lc->fc); | |
657 | } | |
658 | return 0; | |
659 | } | |
660 | ||
661 | static u32 get_rx_csum(struct net_device *dev) | |
662 | { | |
663 | struct adapter *adapter = dev->priv; | |
664 | ||
665 | return (adapter->flags & RX_CSUM_ENABLED) != 0; | |
666 | } | |
667 | ||
668 | static int set_rx_csum(struct net_device *dev, u32 data) | |
669 | { | |
670 | struct adapter *adapter = dev->priv; | |
671 | ||
672 | if (data) | |
673 | adapter->flags |= RX_CSUM_ENABLED; | |
674 | else | |
675 | adapter->flags &= ~RX_CSUM_ENABLED; | |
676 | return 0; | |
677 | } | |
678 | ||
679 | static int set_tso(struct net_device *dev, u32 value) | |
680 | { | |
681 | struct adapter *adapter = dev->priv; | |
682 | ||
683 | if (!(adapter->flags & TSO_CAPABLE)) | |
684 | return value ? -EOPNOTSUPP : 0; | |
685 | return ethtool_op_set_tso(dev, value); | |
686 | } | |
687 | ||
688 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
689 | { | |
690 | struct adapter *adapter = dev->priv; | |
691 | int jumbo_fl = t1_is_T1B(adapter) ? 1 : 0; | |
692 | ||
693 | e->rx_max_pending = MAX_RX_BUFFERS; | |
694 | e->rx_mini_max_pending = 0; | |
695 | e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; | |
696 | e->tx_max_pending = MAX_CMDQ_ENTRIES; | |
697 | ||
698 | e->rx_pending = adapter->params.sge.freelQ_size[!jumbo_fl]; | |
699 | e->rx_mini_pending = 0; | |
700 | e->rx_jumbo_pending = adapter->params.sge.freelQ_size[jumbo_fl]; | |
701 | e->tx_pending = adapter->params.sge.cmdQ_size[0]; | |
702 | } | |
703 | ||
704 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
705 | { | |
706 | struct adapter *adapter = dev->priv; | |
707 | int jumbo_fl = t1_is_T1B(adapter) ? 1 : 0; | |
708 | ||
709 | if (e->rx_pending > MAX_RX_BUFFERS || e->rx_mini_pending || | |
710 | e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || | |
711 | e->tx_pending > MAX_CMDQ_ENTRIES || | |
712 | e->rx_pending < MIN_FL_ENTRIES || | |
713 | e->rx_jumbo_pending < MIN_FL_ENTRIES || | |
714 | e->tx_pending < (adapter->params.nports + 1) * (MAX_SKB_FRAGS + 1)) | |
715 | return -EINVAL; | |
716 | ||
717 | if (adapter->flags & FULL_INIT_DONE) | |
559fb51b | 718 | return -EBUSY; |
8199d3a7 CL |
719 | |
720 | adapter->params.sge.freelQ_size[!jumbo_fl] = e->rx_pending; | |
721 | adapter->params.sge.freelQ_size[jumbo_fl] = e->rx_jumbo_pending; | |
722 | adapter->params.sge.cmdQ_size[0] = e->tx_pending; | |
723 | adapter->params.sge.cmdQ_size[1] = e->tx_pending > MAX_CMDQ1_ENTRIES ? | |
724 | MAX_CMDQ1_ENTRIES : e->tx_pending; | |
725 | return 0; | |
726 | } | |
727 | ||
728 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
729 | { | |
730 | struct adapter *adapter = dev->priv; | |
731 | ||
559fb51b SB |
732 | /* |
733 | * If RX coalescing is requested we use NAPI, otherwise interrupts. | |
734 | * This choice can be made only when all ports and the TOE are off. | |
735 | */ | |
736 | if (adapter->open_device_map == 0) | |
737 | adapter->params.sge.polling = c->use_adaptive_rx_coalesce; | |
8199d3a7 | 738 | |
559fb51b SB |
739 | if (adapter->params.sge.polling) { |
740 | adapter->params.sge.rx_coalesce_usecs = 0; | |
8199d3a7 CL |
741 | } else { |
742 | adapter->params.sge.rx_coalesce_usecs = c->rx_coalesce_usecs; | |
743 | } | |
559fb51b | 744 | adapter->params.sge.coalesce_enable = c->use_adaptive_rx_coalesce; |
8199d3a7 | 745 | adapter->params.sge.sample_interval_usecs = c->rate_sample_interval; |
8199d3a7 CL |
746 | t1_sge_set_coalesce_params(adapter->sge, &adapter->params.sge); |
747 | return 0; | |
748 | } | |
749 | ||
750 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
751 | { | |
752 | struct adapter *adapter = dev->priv; | |
753 | ||
559fb51b | 754 | c->rx_coalesce_usecs = adapter->params.sge.rx_coalesce_usecs; |
8199d3a7 CL |
755 | c->rate_sample_interval = adapter->params.sge.sample_interval_usecs; |
756 | c->use_adaptive_rx_coalesce = adapter->params.sge.coalesce_enable; | |
757 | return 0; | |
758 | } | |
759 | ||
760 | static int get_eeprom_len(struct net_device *dev) | |
761 | { | |
559fb51b | 762 | return EEPROM_SIZE; |
8199d3a7 CL |
763 | } |
764 | ||
765 | #define EEPROM_MAGIC(ap) \ | |
766 | (PCI_VENDOR_ID_CHELSIO | ((ap)->params.chip_version << 16)) | |
767 | ||
768 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, | |
769 | u8 *data) | |
770 | { | |
771 | int i; | |
772 | u8 buf[EEPROM_SIZE] __attribute__((aligned(4))); | |
773 | struct adapter *adapter = dev->priv; | |
774 | ||
775 | e->magic = EEPROM_MAGIC(adapter); | |
776 | for (i = e->offset & ~3; i < e->offset + e->len; i += sizeof(u32)) | |
777 | t1_seeprom_read(adapter, i, (u32 *)&buf[i]); | |
778 | memcpy(data, buf + e->offset, e->len); | |
779 | return 0; | |
780 | } | |
781 | ||
7282d491 | 782 | static const struct ethtool_ops t1_ethtool_ops = { |
8199d3a7 CL |
783 | .get_settings = get_settings, |
784 | .set_settings = set_settings, | |
785 | .get_drvinfo = get_drvinfo, | |
786 | .get_msglevel = get_msglevel, | |
787 | .set_msglevel = set_msglevel, | |
788 | .get_ringparam = get_sge_param, | |
789 | .set_ringparam = set_sge_param, | |
790 | .get_coalesce = get_coalesce, | |
791 | .set_coalesce = set_coalesce, | |
792 | .get_eeprom_len = get_eeprom_len, | |
793 | .get_eeprom = get_eeprom, | |
794 | .get_pauseparam = get_pauseparam, | |
795 | .set_pauseparam = set_pauseparam, | |
796 | .get_rx_csum = get_rx_csum, | |
797 | .set_rx_csum = set_rx_csum, | |
798 | .get_tx_csum = ethtool_op_get_tx_csum, | |
799 | .set_tx_csum = ethtool_op_set_tx_csum, | |
800 | .get_sg = ethtool_op_get_sg, | |
801 | .set_sg = ethtool_op_set_sg, | |
802 | .get_link = ethtool_op_get_link, | |
803 | .get_strings = get_strings, | |
804 | .get_stats_count = get_stats_count, | |
805 | .get_ethtool_stats = get_stats, | |
559fb51b SB |
806 | .get_regs_len = get_regs_len, |
807 | .get_regs = get_regs, | |
8199d3a7 CL |
808 | .get_tso = ethtool_op_get_tso, |
809 | .set_tso = set_tso, | |
810 | }; | |
811 | ||
559fb51b SB |
812 | static void cxgb_proc_cleanup(struct adapter *adapter, |
813 | struct proc_dir_entry *dir) | |
8199d3a7 | 814 | { |
559fb51b SB |
815 | const char *name; |
816 | name = adapter->name; | |
817 | remove_proc_entry(name, dir); | |
8199d3a7 | 818 | } |
559fb51b SB |
819 | //#define chtoe_setup_toedev(adapter) NULL |
820 | #define update_mtu_tab(adapter) | |
821 | #define write_smt_entry(adapter, idx) | |
8199d3a7 CL |
822 | |
823 | static int t1_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
824 | { | |
559fb51b | 825 | struct adapter *adapter = dev->priv; |
91fb4c96 | 826 | struct mii_ioctl_data *data = if_mii(req); |
8199d3a7 CL |
827 | |
828 | switch (cmd) { | |
559fb51b SB |
829 | case SIOCGMIIPHY: |
830 | data->phy_id = adapter->port[dev->if_port].phy->addr; | |
831 | /* FALLTHRU */ | |
832 | case SIOCGMIIREG: { | |
8199d3a7 CL |
833 | struct cphy *phy = adapter->port[dev->if_port].phy; |
834 | u32 val; | |
835 | ||
559fb51b SB |
836 | if (!phy->mdio_read) |
837 | return -EOPNOTSUPP; | |
8199d3a7 CL |
838 | phy->mdio_read(adapter, data->phy_id, 0, data->reg_num & 0x1f, |
839 | &val); | |
559fb51b SB |
840 | data->val_out = val; |
841 | break; | |
8199d3a7 | 842 | } |
559fb51b | 843 | case SIOCSMIIREG: { |
8199d3a7 CL |
844 | struct cphy *phy = adapter->port[dev->if_port].phy; |
845 | ||
559fb51b SB |
846 | if (!capable(CAP_NET_ADMIN)) |
847 | return -EPERM; | |
848 | if (!phy->mdio_write) | |
849 | return -EOPNOTSUPP; | |
8199d3a7 | 850 | phy->mdio_write(adapter, data->phy_id, 0, data->reg_num & 0x1f, |
559fb51b SB |
851 | data->val_in); |
852 | break; | |
8199d3a7 CL |
853 | } |
854 | ||
8199d3a7 CL |
855 | default: |
856 | return -EOPNOTSUPP; | |
857 | } | |
858 | return 0; | |
859 | } | |
860 | ||
861 | static int t1_change_mtu(struct net_device *dev, int new_mtu) | |
862 | { | |
863 | int ret; | |
864 | struct adapter *adapter = dev->priv; | |
865 | struct cmac *mac = adapter->port[dev->if_port].mac; | |
866 | ||
867 | if (!mac->ops->set_mtu) | |
559fb51b | 868 | return -EOPNOTSUPP; |
8199d3a7 | 869 | if (new_mtu < 68) |
559fb51b | 870 | return -EINVAL; |
8199d3a7 CL |
871 | if ((ret = mac->ops->set_mtu(mac, new_mtu))) |
872 | return ret; | |
873 | dev->mtu = new_mtu; | |
874 | return 0; | |
875 | } | |
876 | ||
877 | static int t1_set_mac_addr(struct net_device *dev, void *p) | |
878 | { | |
879 | struct adapter *adapter = dev->priv; | |
880 | struct cmac *mac = adapter->port[dev->if_port].mac; | |
881 | struct sockaddr *addr = p; | |
882 | ||
883 | if (!mac->ops->macaddress_set) | |
884 | return -EOPNOTSUPP; | |
885 | ||
886 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
887 | mac->ops->macaddress_set(mac, dev->dev_addr); | |
888 | return 0; | |
889 | } | |
890 | ||
891 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) | |
892 | static void vlan_rx_register(struct net_device *dev, | |
893 | struct vlan_group *grp) | |
894 | { | |
895 | struct adapter *adapter = dev->priv; | |
896 | ||
897 | spin_lock_irq(&adapter->async_lock); | |
898 | adapter->vlan_grp = grp; | |
899 | t1_set_vlan_accel(adapter, grp != NULL); | |
900 | spin_unlock_irq(&adapter->async_lock); | |
901 | } | |
902 | ||
903 | static void vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) | |
904 | { | |
905 | struct adapter *adapter = dev->priv; | |
906 | ||
907 | spin_lock_irq(&adapter->async_lock); | |
908 | if (adapter->vlan_grp) | |
909 | adapter->vlan_grp->vlan_devices[vid] = NULL; | |
910 | spin_unlock_irq(&adapter->async_lock); | |
911 | } | |
912 | #endif | |
913 | ||
914 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
915 | static void t1_netpoll(struct net_device *dev) | |
916 | { | |
559fb51b | 917 | unsigned long flags; |
8199d3a7 CL |
918 | struct adapter *adapter = dev->priv; |
919 | ||
559fb51b | 920 | local_irq_save(flags); |
7d12e780 | 921 | t1_select_intr_handler(adapter)(adapter->pdev->irq, adapter); |
559fb51b | 922 | local_irq_restore(flags); |
8199d3a7 CL |
923 | } |
924 | #endif | |
925 | ||
926 | /* | |
927 | * Periodic accumulation of MAC statistics. This is used only if the MAC | |
928 | * does not have any other way to prevent stats counter overflow. | |
929 | */ | |
930 | static void mac_stats_task(void *data) | |
931 | { | |
932 | int i; | |
933 | struct adapter *adapter = data; | |
934 | ||
935 | for_each_port(adapter, i) { | |
936 | struct port_info *p = &adapter->port[i]; | |
937 | ||
938 | if (netif_running(p->dev)) | |
939 | p->mac->ops->statistics_update(p->mac, | |
940 | MAC_STATS_UPDATE_FAST); | |
941 | } | |
942 | ||
943 | /* Schedule the next statistics update if any port is active. */ | |
944 | spin_lock(&adapter->work_lock); | |
945 | if (adapter->open_device_map & PORT_MASK) | |
946 | schedule_mac_stats_update(adapter, | |
947 | adapter->params.stats_update_period); | |
948 | spin_unlock(&adapter->work_lock); | |
949 | } | |
950 | ||
951 | /* | |
952 | * Processes elmer0 external interrupts in process context. | |
953 | */ | |
954 | static void ext_intr_task(void *data) | |
955 | { | |
8199d3a7 CL |
956 | struct adapter *adapter = data; |
957 | ||
958 | elmer0_ext_intr_handler(adapter); | |
959 | ||
960 | /* Now reenable external interrupts */ | |
559fb51b | 961 | spin_lock_irq(&adapter->async_lock); |
8199d3a7 | 962 | adapter->slow_intr_mask |= F_PL_INTR_EXT; |
559fb51b SB |
963 | writel(F_PL_INTR_EXT, adapter->regs + A_PL_CAUSE); |
964 | writel(adapter->slow_intr_mask | F_PL_INTR_SGE_DATA, | |
965 | adapter->regs + A_PL_ENABLE); | |
966 | spin_unlock_irq(&adapter->async_lock); | |
8199d3a7 CL |
967 | } |
968 | ||
969 | /* | |
970 | * Interrupt-context handler for elmer0 external interrupts. | |
971 | */ | |
972 | void t1_elmer0_ext_intr(struct adapter *adapter) | |
973 | { | |
8199d3a7 CL |
974 | /* |
975 | * Schedule a task to handle external interrupts as we require | |
976 | * a process context. We disable EXT interrupts in the interim | |
977 | * and let the task reenable them when it's done. | |
978 | */ | |
979 | adapter->slow_intr_mask &= ~F_PL_INTR_EXT; | |
559fb51b SB |
980 | writel(adapter->slow_intr_mask | F_PL_INTR_SGE_DATA, |
981 | adapter->regs + A_PL_ENABLE); | |
8199d3a7 CL |
982 | schedule_work(&adapter->ext_intr_handler_task); |
983 | } | |
984 | ||
985 | void t1_fatal_err(struct adapter *adapter) | |
986 | { | |
987 | if (adapter->flags & FULL_INIT_DONE) { | |
988 | t1_sge_stop(adapter->sge); | |
989 | t1_interrupts_disable(adapter); | |
990 | } | |
991 | CH_ALERT("%s: encountered fatal error, operation suspended\n", | |
992 | adapter->name); | |
993 | } | |
994 | ||
8199d3a7 CL |
995 | static int __devinit init_one(struct pci_dev *pdev, |
996 | const struct pci_device_id *ent) | |
997 | { | |
998 | static int version_printed; | |
999 | ||
1000 | int i, err, pci_using_dac = 0; | |
1001 | unsigned long mmio_start, mmio_len; | |
1002 | const struct board_info *bi; | |
1003 | struct adapter *adapter = NULL; | |
1004 | struct port_info *pi; | |
1005 | ||
1006 | if (!version_printed) { | |
559fb51b SB |
1007 | printk(KERN_INFO "%s - version %s\n", DRV_DESCRIPTION, |
1008 | DRV_VERSION); | |
8199d3a7 CL |
1009 | ++version_printed; |
1010 | } | |
1011 | ||
1012 | err = pci_enable_device(pdev); | |
1013 | if (err) | |
559fb51b | 1014 | return err; |
8199d3a7 CL |
1015 | |
1016 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1017 | CH_ERR("%s: cannot find PCI device memory base address\n", | |
1018 | pci_name(pdev)); | |
1019 | err = -ENODEV; | |
1020 | goto out_disable_pdev; | |
1021 | } | |
1022 | ||
559fb51b | 1023 | if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { |
8199d3a7 | 1024 | pci_using_dac = 1; |
559fb51b SB |
1025 | |
1026 | if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) { | |
8199d3a7 CL |
1027 | CH_ERR("%s: unable to obtain 64-bit DMA for" |
1028 | "consistent allocations\n", pci_name(pdev)); | |
1029 | err = -ENODEV; | |
1030 | goto out_disable_pdev; | |
1031 | } | |
559fb51b SB |
1032 | |
1033 | } else if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) { | |
8199d3a7 CL |
1034 | CH_ERR("%s: no usable DMA configuration\n", pci_name(pdev)); |
1035 | goto out_disable_pdev; | |
1036 | } | |
1037 | ||
559fb51b | 1038 | err = pci_request_regions(pdev, DRV_NAME); |
8199d3a7 CL |
1039 | if (err) { |
1040 | CH_ERR("%s: cannot obtain PCI resources\n", pci_name(pdev)); | |
1041 | goto out_disable_pdev; | |
1042 | } | |
1043 | ||
1044 | pci_set_master(pdev); | |
1045 | ||
559fb51b | 1046 | mmio_start = pci_resource_start(pdev, 0); |
8199d3a7 CL |
1047 | mmio_len = pci_resource_len(pdev, 0); |
1048 | bi = t1_get_board_info(ent->driver_data); | |
1049 | ||
1050 | for (i = 0; i < bi->port_number; ++i) { | |
1051 | struct net_device *netdev; | |
1052 | ||
1053 | netdev = alloc_etherdev(adapter ? 0 : sizeof(*adapter)); | |
1054 | if (!netdev) { | |
1055 | err = -ENOMEM; | |
1056 | goto out_free_dev; | |
1057 | } | |
1058 | ||
1059 | SET_MODULE_OWNER(netdev); | |
1060 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
1061 | ||
1062 | if (!adapter) { | |
1063 | adapter = netdev->priv; | |
1064 | adapter->pdev = pdev; | |
1065 | adapter->port[0].dev = netdev; /* so we don't leak it */ | |
1066 | ||
1067 | adapter->regs = ioremap(mmio_start, mmio_len); | |
1068 | if (!adapter->regs) { | |
1069 | CH_ERR("%s: cannot map device registers\n", | |
1070 | pci_name(pdev)); | |
1071 | err = -ENOMEM; | |
1072 | goto out_free_dev; | |
1073 | } | |
1074 | ||
1075 | if (t1_get_board_rev(adapter, bi, &adapter->params)) { | |
1076 | err = -ENODEV; /* Can't handle this chip rev */ | |
1077 | goto out_free_dev; | |
1078 | } | |
1079 | ||
1080 | adapter->name = pci_name(pdev); | |
1081 | adapter->msg_enable = dflt_msg_enable; | |
1082 | adapter->mmio_len = mmio_len; | |
1083 | ||
1084 | init_MUTEX(&adapter->mib_mutex); | |
1085 | spin_lock_init(&adapter->tpi_lock); | |
1086 | spin_lock_init(&adapter->work_lock); | |
1087 | spin_lock_init(&adapter->async_lock); | |
1088 | ||
1089 | INIT_WORK(&adapter->ext_intr_handler_task, | |
1090 | ext_intr_task, adapter); | |
1091 | INIT_WORK(&adapter->stats_update_task, mac_stats_task, | |
1092 | adapter); | |
559fb51b SB |
1093 | #ifdef work_struct |
1094 | init_timer(&adapter->stats_update_timer); | |
1095 | adapter->stats_update_timer.function = mac_stats_timer; | |
1096 | adapter->stats_update_timer.data = | |
1097 | (unsigned long)adapter; | |
1098 | #endif | |
8199d3a7 CL |
1099 | |
1100 | pci_set_drvdata(pdev, netdev); | |
8199d3a7 CL |
1101 | } |
1102 | ||
1103 | pi = &adapter->port[i]; | |
1104 | pi->dev = netdev; | |
1105 | netif_carrier_off(netdev); | |
1106 | netdev->irq = pdev->irq; | |
1107 | netdev->if_port = i; | |
1108 | netdev->mem_start = mmio_start; | |
1109 | netdev->mem_end = mmio_start + mmio_len - 1; | |
1110 | netdev->priv = adapter; | |
1111 | netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; | |
559fb51b SB |
1112 | netdev->features |= NETIF_F_LLTX; |
1113 | ||
8199d3a7 CL |
1114 | adapter->flags |= RX_CSUM_ENABLED | TCP_CSUM_CAPABLE; |
1115 | if (pci_using_dac) | |
1116 | netdev->features |= NETIF_F_HIGHDMA; | |
1117 | if (vlan_tso_capable(adapter)) { | |
8199d3a7 CL |
1118 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) |
1119 | adapter->flags |= VLAN_ACCEL_CAPABLE; | |
1120 | netdev->features |= | |
1121 | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
1122 | netdev->vlan_rx_register = vlan_rx_register; | |
1123 | netdev->vlan_rx_kill_vid = vlan_rx_kill_vid; | |
1124 | #endif | |
1125 | adapter->flags |= TSO_CAPABLE; | |
1126 | netdev->features |= NETIF_F_TSO; | |
1127 | } | |
1128 | ||
1129 | netdev->open = cxgb_open; | |
1130 | netdev->stop = cxgb_close; | |
1131 | netdev->hard_start_xmit = t1_start_xmit; | |
1132 | netdev->hard_header_len += (adapter->flags & TSO_CAPABLE) ? | |
1133 | sizeof(struct cpl_tx_pkt_lso) : | |
1134 | sizeof(struct cpl_tx_pkt); | |
1135 | netdev->get_stats = t1_get_stats; | |
1136 | netdev->set_multicast_list = t1_set_rxmode; | |
1137 | netdev->do_ioctl = t1_ioctl; | |
1138 | netdev->change_mtu = t1_change_mtu; | |
1139 | netdev->set_mac_address = t1_set_mac_addr; | |
1140 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1141 | netdev->poll_controller = t1_netpoll; | |
1142 | #endif | |
1143 | netdev->weight = 64; | |
1144 | ||
559fb51b | 1145 | SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops); |
8199d3a7 CL |
1146 | } |
1147 | ||
1148 | if (t1_init_sw_modules(adapter, bi) < 0) { | |
1149 | err = -ENODEV; | |
1150 | goto out_free_dev; | |
1151 | } | |
1152 | ||
1153 | /* | |
1154 | * The card is now ready to go. If any errors occur during device | |
1155 | * registration we do not fail the whole card but rather proceed only | |
1156 | * with the ports we manage to register successfully. However we must | |
1157 | * register at least one net device. | |
1158 | */ | |
1159 | for (i = 0; i < bi->port_number; ++i) { | |
1160 | err = register_netdev(adapter->port[i].dev); | |
1161 | if (err) | |
1162 | CH_WARN("%s: cannot register net device %s, skipping\n", | |
1163 | pci_name(pdev), adapter->port[i].dev->name); | |
1164 | else { | |
1165 | /* | |
1166 | * Change the name we use for messages to the name of | |
1167 | * the first successfully registered interface. | |
1168 | */ | |
1169 | if (!adapter->registered_device_map) | |
1170 | adapter->name = adapter->port[i].dev->name; | |
1171 | ||
559fb51b | 1172 | __set_bit(i, &adapter->registered_device_map); |
8199d3a7 CL |
1173 | } |
1174 | } | |
1175 | if (!adapter->registered_device_map) { | |
1176 | CH_ERR("%s: could not register any net devices\n", | |
1177 | pci_name(pdev)); | |
1178 | goto out_release_adapter_res; | |
1179 | } | |
1180 | ||
1181 | printk(KERN_INFO "%s: %s (rev %d), %s %dMHz/%d-bit\n", adapter->name, | |
1182 | bi->desc, adapter->params.chip_revision, | |
1183 | adapter->params.pci.is_pcix ? "PCIX" : "PCI", | |
1184 | adapter->params.pci.speed, adapter->params.pci.width); | |
1185 | return 0; | |
1186 | ||
1187 | out_release_adapter_res: | |
1188 | t1_free_sw_modules(adapter); | |
1189 | out_free_dev: | |
1190 | if (adapter) { | |
559fb51b | 1191 | if (adapter->regs) iounmap(adapter->regs); |
8199d3a7 | 1192 | for (i = bi->port_number - 1; i >= 0; --i) |
559fb51b SB |
1193 | if (adapter->port[i].dev) { |
1194 | cxgb_proc_cleanup(adapter, proc_root_driver); | |
1195 | kfree(adapter->port[i].dev); | |
1196 | } | |
8199d3a7 CL |
1197 | } |
1198 | pci_release_regions(pdev); | |
1199 | out_disable_pdev: | |
1200 | pci_disable_device(pdev); | |
1201 | pci_set_drvdata(pdev, NULL); | |
1202 | return err; | |
1203 | } | |
1204 | ||
1205 | static inline void t1_sw_reset(struct pci_dev *pdev) | |
1206 | { | |
1207 | pci_write_config_dword(pdev, A_PCICFG_PM_CSR, 3); | |
1208 | pci_write_config_dword(pdev, A_PCICFG_PM_CSR, 0); | |
1209 | } | |
1210 | ||
1211 | static void __devexit remove_one(struct pci_dev *pdev) | |
1212 | { | |
1213 | struct net_device *dev = pci_get_drvdata(pdev); | |
1214 | ||
1215 | if (dev) { | |
1216 | int i; | |
1217 | struct adapter *adapter = dev->priv; | |
1218 | ||
1219 | for_each_port(adapter, i) | |
1220 | if (test_bit(i, &adapter->registered_device_map)) | |
1221 | unregister_netdev(adapter->port[i].dev); | |
1222 | ||
1223 | t1_free_sw_modules(adapter); | |
1224 | iounmap(adapter->regs); | |
1225 | while (--i >= 0) | |
559fb51b SB |
1226 | if (adapter->port[i].dev) { |
1227 | cxgb_proc_cleanup(adapter, proc_root_driver); | |
1228 | kfree(adapter->port[i].dev); | |
1229 | } | |
8199d3a7 CL |
1230 | pci_release_regions(pdev); |
1231 | pci_disable_device(pdev); | |
1232 | pci_set_drvdata(pdev, NULL); | |
1233 | t1_sw_reset(pdev); | |
1234 | } | |
1235 | } | |
1236 | ||
1237 | static struct pci_driver driver = { | |
559fb51b | 1238 | .name = DRV_NAME, |
8199d3a7 CL |
1239 | .id_table = t1_pci_tbl, |
1240 | .probe = init_one, | |
1241 | .remove = __devexit_p(remove_one), | |
1242 | }; | |
1243 | ||
1244 | static int __init t1_init_module(void) | |
1245 | { | |
29917620 | 1246 | return pci_register_driver(&driver); |
8199d3a7 CL |
1247 | } |
1248 | ||
1249 | static void __exit t1_cleanup_module(void) | |
1250 | { | |
1251 | pci_unregister_driver(&driver); | |
1252 | } | |
1253 | ||
1254 | module_init(t1_init_module); | |
1255 | module_exit(t1_cleanup_module); |