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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/config.h> |
41 | #include <linux/module.h> | |
42 | #include <linux/init.h> | |
43 | #include <linux/pci.h> | |
44 | #include <linux/netdevice.h> | |
45 | #include <linux/etherdevice.h> | |
46 | #include <linux/if_vlan.h> | |
47 | #include <linux/mii.h> | |
48 | #include <linux/sockios.h> | |
49 | #include <linux/proc_fs.h> | |
559fb51b | 50 | #include <linux/dma-mapping.h> |
8199d3a7 CL |
51 | #include <asm/uaccess.h> |
52 | ||
8199d3a7 CL |
53 | #include "cpl5_cmd.h" |
54 | #include "regs.h" | |
55 | #include "gmac.h" | |
56 | #include "cphy.h" | |
57 | #include "sge.h" | |
8199d3a7 CL |
58 | #include "espi.h" |
59 | ||
559fb51b SB |
60 | #ifdef work_struct |
61 | #include <linux/tqueue.h> | |
62 | #define INIT_WORK INIT_TQUEUE | |
63 | #define schedule_work schedule_task | |
64 | #define flush_scheduled_work flush_scheduled_tasks | |
65 | ||
8199d3a7 CL |
66 | static inline void schedule_mac_stats_update(struct adapter *ap, int secs) |
67 | { | |
559fb51b | 68 | mod_timer(&ap->stats_update_timer, jiffies + secs * HZ); |
8199d3a7 CL |
69 | } |
70 | ||
71 | static inline void cancel_mac_stats_update(struct adapter *ap) | |
72 | { | |
559fb51b SB |
73 | del_timer_sync(&ap->stats_update_timer); |
74 | flush_scheduled_tasks(); | |
8199d3a7 CL |
75 | } |
76 | ||
559fb51b SB |
77 | /* |
78 | * Stats update timer for 2.4. It schedules a task to do the actual update as | |
79 | * we need to access MAC statistics in process context. | |
80 | */ | |
81 | static void mac_stats_timer(unsigned long data) | |
82 | { | |
83 | struct adapter *ap = (struct adapter *)data; | |
8199d3a7 | 84 | |
559fb51b SB |
85 | schedule_task(&ap->stats_update_task); |
86 | } | |
87 | #else | |
88 | #include <linux/workqueue.h> | |
8199d3a7 | 89 | |
559fb51b SB |
90 | static inline void schedule_mac_stats_update(struct adapter *ap, int secs) |
91 | { | |
92 | schedule_delayed_work(&ap->stats_update_task, secs * HZ); | |
93 | } | |
8199d3a7 | 94 | |
559fb51b SB |
95 | static inline void cancel_mac_stats_update(struct adapter *ap) |
96 | { | |
97 | cancel_delayed_work(&ap->stats_update_task); | |
98 | } | |
99 | #endif | |
8199d3a7 CL |
100 | |
101 | #define MAX_CMDQ_ENTRIES 16384 | |
102 | #define MAX_CMDQ1_ENTRIES 1024 | |
103 | #define MAX_RX_BUFFERS 16384 | |
104 | #define MAX_RX_JUMBO_BUFFERS 16384 | |
105 | #define MAX_TX_BUFFERS_HIGH 16384U | |
106 | #define MAX_TX_BUFFERS_LOW 1536U | |
107 | #define MIN_FL_ENTRIES 32 | |
108 | ||
109 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) | |
110 | ||
111 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ | |
112 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ | |
113 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) | |
114 | ||
115 | /* | |
116 | * The EEPROM is actually bigger but only the first few bytes are used so we | |
117 | * only report those. | |
118 | */ | |
119 | #define EEPROM_SIZE 32 | |
120 | ||
559fb51b | 121 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
8199d3a7 CL |
122 | MODULE_AUTHOR("Chelsio Communications"); |
123 | MODULE_LICENSE("GPL"); | |
8199d3a7 CL |
124 | |
125 | static int dflt_msg_enable = DFLT_MSG_ENABLE; | |
126 | ||
8d3b33f6 | 127 | module_param(dflt_msg_enable, int, 0); |
8199d3a7 CL |
128 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T1 message enable bitmap"); |
129 | ||
130 | ||
131 | static const char pci_speed[][4] = { | |
132 | "33", "66", "100", "133" | |
133 | }; | |
134 | ||
135 | /* | |
136 | * Setup MAC to receive the types of packets we want. | |
137 | */ | |
138 | static void t1_set_rxmode(struct net_device *dev) | |
139 | { | |
140 | struct adapter *adapter = dev->priv; | |
141 | struct cmac *mac = adapter->port[dev->if_port].mac; | |
142 | struct t1_rx_mode rm; | |
143 | ||
144 | rm.dev = dev; | |
145 | rm.idx = 0; | |
146 | rm.list = dev->mc_list; | |
147 | mac->ops->set_rx_mode(mac, &rm); | |
148 | } | |
149 | ||
150 | static void link_report(struct port_info *p) | |
151 | { | |
152 | if (!netif_carrier_ok(p->dev)) | |
559fb51b | 153 | printk(KERN_INFO "%s: link down\n", p->dev->name); |
8199d3a7 | 154 | else { |
559fb51b | 155 | const char *s = "10Mbps"; |
8199d3a7 CL |
156 | |
157 | switch (p->link_config.speed) { | |
559fb51b SB |
158 | case SPEED_10000: s = "10Gbps"; break; |
159 | case SPEED_1000: s = "1000Mbps"; break; | |
160 | case SPEED_100: s = "100Mbps"; break; | |
8199d3a7 CL |
161 | } |
162 | ||
559fb51b | 163 | printk(KERN_INFO "%s: link up, %s, %s-duplex\n", |
8199d3a7 CL |
164 | p->dev->name, s, |
165 | p->link_config.duplex == DUPLEX_FULL ? "full" : "half"); | |
166 | } | |
167 | } | |
168 | ||
169 | void t1_link_changed(struct adapter *adapter, int port_id, int link_stat, | |
170 | int speed, int duplex, int pause) | |
171 | { | |
172 | struct port_info *p = &adapter->port[port_id]; | |
173 | ||
174 | if (link_stat != netif_carrier_ok(p->dev)) { | |
175 | if (link_stat) | |
176 | netif_carrier_on(p->dev); | |
177 | else | |
178 | netif_carrier_off(p->dev); | |
179 | link_report(p); | |
180 | ||
181 | } | |
182 | } | |
183 | ||
184 | static void link_start(struct port_info *p) | |
185 | { | |
186 | struct cmac *mac = p->mac; | |
187 | ||
188 | mac->ops->reset(mac); | |
189 | if (mac->ops->macaddress_set) | |
190 | mac->ops->macaddress_set(mac, p->dev->dev_addr); | |
191 | t1_set_rxmode(p->dev); | |
192 | t1_link_start(p->phy, mac, &p->link_config); | |
193 | mac->ops->enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
194 | } | |
195 | ||
196 | static void enable_hw_csum(struct adapter *adapter) | |
197 | { | |
198 | if (adapter->flags & TSO_CAPABLE) | |
559fb51b SB |
199 | t1_tp_set_ip_checksum_offload(adapter, 1); /* for TSO only */ |
200 | t1_tp_set_tcp_checksum_offload(adapter, 1); | |
8199d3a7 CL |
201 | } |
202 | ||
203 | /* | |
204 | * Things to do upon first use of a card. | |
205 | * This must run with the rtnl lock held. | |
206 | */ | |
207 | static int cxgb_up(struct adapter *adapter) | |
208 | { | |
209 | int err = 0; | |
210 | ||
211 | if (!(adapter->flags & FULL_INIT_DONE)) { | |
212 | err = t1_init_hw_modules(adapter); | |
213 | if (err) | |
214 | goto out_err; | |
215 | ||
216 | enable_hw_csum(adapter); | |
217 | adapter->flags |= FULL_INIT_DONE; | |
218 | } | |
219 | ||
220 | t1_interrupts_clear(adapter); | |
559fb51b SB |
221 | if ((err = request_irq(adapter->pdev->irq, |
222 | t1_select_intr_handler(adapter), SA_SHIRQ, | |
223 | adapter->name, adapter))) { | |
8199d3a7 | 224 | goto out_err; |
559fb51b | 225 | } |
8199d3a7 CL |
226 | t1_sge_start(adapter->sge); |
227 | t1_interrupts_enable(adapter); | |
8199d3a7 CL |
228 | out_err: |
229 | return err; | |
230 | } | |
231 | ||
232 | /* | |
233 | * Release resources when all the ports have been stopped. | |
234 | */ | |
235 | static void cxgb_down(struct adapter *adapter) | |
236 | { | |
237 | t1_sge_stop(adapter->sge); | |
238 | t1_interrupts_disable(adapter); | |
239 | free_irq(adapter->pdev->irq, adapter); | |
240 | } | |
241 | ||
242 | static int cxgb_open(struct net_device *dev) | |
243 | { | |
244 | int err; | |
245 | struct adapter *adapter = dev->priv; | |
246 | int other_ports = adapter->open_device_map & PORT_MASK; | |
247 | ||
248 | if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) | |
249 | return err; | |
250 | ||
251 | __set_bit(dev->if_port, &adapter->open_device_map); | |
252 | link_start(&adapter->port[dev->if_port]); | |
253 | netif_start_queue(dev); | |
254 | if (!other_ports && adapter->params.stats_update_period) | |
255 | schedule_mac_stats_update(adapter, | |
256 | adapter->params.stats_update_period); | |
257 | return 0; | |
258 | } | |
259 | ||
260 | static int cxgb_close(struct net_device *dev) | |
261 | { | |
262 | struct adapter *adapter = dev->priv; | |
263 | struct port_info *p = &adapter->port[dev->if_port]; | |
264 | struct cmac *mac = p->mac; | |
265 | ||
266 | netif_stop_queue(dev); | |
267 | mac->ops->disable(mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); | |
268 | netif_carrier_off(dev); | |
269 | ||
270 | clear_bit(dev->if_port, &adapter->open_device_map); | |
271 | if (adapter->params.stats_update_period && | |
272 | !(adapter->open_device_map & PORT_MASK)) { | |
273 | /* Stop statistics accumulation. */ | |
274 | smp_mb__after_clear_bit(); | |
275 | spin_lock(&adapter->work_lock); /* sync with update task */ | |
276 | spin_unlock(&adapter->work_lock); | |
277 | cancel_mac_stats_update(adapter); | |
278 | } | |
279 | ||
280 | if (!adapter->open_device_map) | |
281 | cxgb_down(adapter); | |
282 | return 0; | |
283 | } | |
284 | ||
285 | static struct net_device_stats *t1_get_stats(struct net_device *dev) | |
286 | { | |
287 | struct adapter *adapter = dev->priv; | |
288 | struct port_info *p = &adapter->port[dev->if_port]; | |
289 | struct net_device_stats *ns = &p->netstats; | |
290 | const struct cmac_statistics *pstats; | |
291 | ||
292 | /* Do a full update of the MAC stats */ | |
293 | pstats = p->mac->ops->statistics_update(p->mac, | |
294 | MAC_STATS_UPDATE_FULL); | |
295 | ||
296 | ns->tx_packets = pstats->TxUnicastFramesOK + | |
297 | pstats->TxMulticastFramesOK + pstats->TxBroadcastFramesOK; | |
298 | ||
299 | ns->rx_packets = pstats->RxUnicastFramesOK + | |
300 | pstats->RxMulticastFramesOK + pstats->RxBroadcastFramesOK; | |
301 | ||
302 | ns->tx_bytes = pstats->TxOctetsOK; | |
303 | ns->rx_bytes = pstats->RxOctetsOK; | |
304 | ||
305 | ns->tx_errors = pstats->TxLateCollisions + pstats->TxLengthErrors + | |
306 | pstats->TxUnderrun + pstats->TxFramesAbortedDueToXSCollisions; | |
307 | ns->rx_errors = pstats->RxDataErrors + pstats->RxJabberErrors + | |
308 | pstats->RxFCSErrors + pstats->RxAlignErrors + | |
309 | pstats->RxSequenceErrors + pstats->RxFrameTooLongErrors + | |
310 | pstats->RxSymbolErrors + pstats->RxRuntErrors; | |
311 | ||
312 | ns->multicast = pstats->RxMulticastFramesOK; | |
313 | ns->collisions = pstats->TxTotalCollisions; | |
314 | ||
315 | /* detailed rx_errors */ | |
316 | ns->rx_length_errors = pstats->RxFrameTooLongErrors + | |
317 | pstats->RxJabberErrors; | |
318 | ns->rx_over_errors = 0; | |
319 | ns->rx_crc_errors = pstats->RxFCSErrors; | |
320 | ns->rx_frame_errors = pstats->RxAlignErrors; | |
321 | ns->rx_fifo_errors = 0; | |
322 | ns->rx_missed_errors = 0; | |
323 | ||
324 | /* detailed tx_errors */ | |
325 | ns->tx_aborted_errors = pstats->TxFramesAbortedDueToXSCollisions; | |
326 | ns->tx_carrier_errors = 0; | |
327 | ns->tx_fifo_errors = pstats->TxUnderrun; | |
328 | ns->tx_heartbeat_errors = 0; | |
329 | ns->tx_window_errors = pstats->TxLateCollisions; | |
330 | return ns; | |
331 | } | |
332 | ||
333 | static u32 get_msglevel(struct net_device *dev) | |
334 | { | |
335 | struct adapter *adapter = dev->priv; | |
336 | ||
337 | return adapter->msg_enable; | |
338 | } | |
339 | ||
340 | static void set_msglevel(struct net_device *dev, u32 val) | |
341 | { | |
342 | struct adapter *adapter = dev->priv; | |
343 | ||
344 | adapter->msg_enable = val; | |
345 | } | |
346 | ||
347 | static char stats_strings[][ETH_GSTRING_LEN] = { | |
559fb51b SB |
348 | "TxOctetsOK", |
349 | "TxOctetsBad", | |
350 | "TxUnicastFramesOK", | |
351 | "TxMulticastFramesOK", | |
352 | "TxBroadcastFramesOK", | |
353 | "TxPauseFrames", | |
354 | "TxFramesWithDeferredXmissions", | |
355 | "TxLateCollisions", | |
356 | "TxTotalCollisions", | |
357 | "TxFramesAbortedDueToXSCollisions", | |
358 | "TxUnderrun", | |
359 | "TxLengthErrors", | |
360 | "TxInternalMACXmitError", | |
361 | "TxFramesWithExcessiveDeferral", | |
362 | "TxFCSErrors", | |
363 | ||
364 | "RxOctetsOK", | |
365 | "RxOctetsBad", | |
366 | "RxUnicastFramesOK", | |
367 | "RxMulticastFramesOK", | |
368 | "RxBroadcastFramesOK", | |
369 | "RxPauseFrames", | |
370 | "RxFCSErrors", | |
371 | "RxAlignErrors", | |
372 | "RxSymbolErrors", | |
373 | "RxDataErrors", | |
374 | "RxSequenceErrors", | |
375 | "RxRuntErrors", | |
376 | "RxJabberErrors", | |
377 | "RxInternalMACRcvError", | |
378 | "RxInRangeLengthErrors", | |
379 | "RxOutOfRangeLengthField", | |
380 | "RxFrameTooLongErrors", | |
381 | ||
382 | "TSO", | |
383 | "VLANextractions", | |
384 | "VLANinsertions", | |
385 | "RxCsumGood", | |
386 | "TxCsumOffload", | |
387 | "RxDrops" | |
388 | ||
389 | "respQ_empty", | |
390 | "respQ_overflow", | |
391 | "freelistQ_empty", | |
392 | "pkt_too_big", | |
393 | "pkt_mismatch", | |
394 | "cmdQ_full0", | |
395 | "cmdQ_full1", | |
396 | "tx_ipfrags", | |
397 | "tx_reg_pkts", | |
398 | "tx_lso_pkts", | |
399 | "tx_do_cksum", | |
400 | ||
401 | "espi_DIP2ParityErr", | |
402 | "espi_DIP4Err", | |
403 | "espi_RxDrops", | |
404 | "espi_TxDrops", | |
405 | "espi_RxOvfl", | |
406 | "espi_ParityErr" | |
8199d3a7 | 407 | }; |
559fb51b SB |
408 | |
409 | #define T2_REGMAP_SIZE (3 * 1024) | |
410 | ||
411 | static int get_regs_len(struct net_device *dev) | |
412 | { | |
413 | return T2_REGMAP_SIZE; | |
414 | } | |
8199d3a7 CL |
415 | |
416 | static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
417 | { | |
418 | struct adapter *adapter = dev->priv; | |
419 | ||
559fb51b SB |
420 | strcpy(info->driver, DRV_NAME); |
421 | strcpy(info->version, DRV_VERSION); | |
8199d3a7 CL |
422 | strcpy(info->fw_version, "N/A"); |
423 | strcpy(info->bus_info, pci_name(adapter->pdev)); | |
424 | } | |
425 | ||
426 | static int get_stats_count(struct net_device *dev) | |
427 | { | |
428 | return ARRAY_SIZE(stats_strings); | |
429 | } | |
430 | ||
431 | static void get_strings(struct net_device *dev, u32 stringset, u8 *data) | |
432 | { | |
433 | if (stringset == ETH_SS_STATS) | |
434 | memcpy(data, stats_strings, sizeof(stats_strings)); | |
435 | } | |
436 | ||
437 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, | |
438 | u64 *data) | |
439 | { | |
440 | struct adapter *adapter = dev->priv; | |
441 | struct cmac *mac = adapter->port[dev->if_port].mac; | |
442 | const struct cmac_statistics *s; | |
559fb51b SB |
443 | const struct sge_port_stats *ss; |
444 | const struct sge_intr_counts *t; | |
8199d3a7 CL |
445 | |
446 | s = mac->ops->statistics_update(mac, MAC_STATS_UPDATE_FULL); | |
559fb51b SB |
447 | ss = t1_sge_get_port_stats(adapter->sge, dev->if_port); |
448 | t = t1_sge_get_intr_counts(adapter->sge); | |
449 | ||
450 | *data++ = s->TxOctetsOK; | |
451 | *data++ = s->TxOctetsBad; | |
452 | *data++ = s->TxUnicastFramesOK; | |
453 | *data++ = s->TxMulticastFramesOK; | |
454 | *data++ = s->TxBroadcastFramesOK; | |
455 | *data++ = s->TxPauseFrames; | |
456 | *data++ = s->TxFramesWithDeferredXmissions; | |
457 | *data++ = s->TxLateCollisions; | |
458 | *data++ = s->TxTotalCollisions; | |
459 | *data++ = s->TxFramesAbortedDueToXSCollisions; | |
460 | *data++ = s->TxUnderrun; | |
461 | *data++ = s->TxLengthErrors; | |
462 | *data++ = s->TxInternalMACXmitError; | |
463 | *data++ = s->TxFramesWithExcessiveDeferral; | |
464 | *data++ = s->TxFCSErrors; | |
465 | ||
466 | *data++ = s->RxOctetsOK; | |
467 | *data++ = s->RxOctetsBad; | |
468 | *data++ = s->RxUnicastFramesOK; | |
469 | *data++ = s->RxMulticastFramesOK; | |
470 | *data++ = s->RxBroadcastFramesOK; | |
471 | *data++ = s->RxPauseFrames; | |
472 | *data++ = s->RxFCSErrors; | |
473 | *data++ = s->RxAlignErrors; | |
474 | *data++ = s->RxSymbolErrors; | |
475 | *data++ = s->RxDataErrors; | |
476 | *data++ = s->RxSequenceErrors; | |
477 | *data++ = s->RxRuntErrors; | |
478 | *data++ = s->RxJabberErrors; | |
479 | *data++ = s->RxInternalMACRcvError; | |
480 | *data++ = s->RxInRangeLengthErrors; | |
481 | *data++ = s->RxOutOfRangeLengthField; | |
482 | *data++ = s->RxFrameTooLongErrors; | |
483 | ||
484 | *data++ = ss->tso; | |
485 | *data++ = ss->vlan_xtract; | |
486 | *data++ = ss->vlan_insert; | |
487 | *data++ = ss->rx_cso_good; | |
488 | *data++ = ss->tx_cso; | |
489 | *data++ = ss->rx_drops; | |
490 | ||
491 | *data++ = (u64)t->respQ_empty; | |
492 | *data++ = (u64)t->respQ_overflow; | |
493 | *data++ = (u64)t->freelistQ_empty; | |
494 | *data++ = (u64)t->pkt_too_big; | |
495 | *data++ = (u64)t->pkt_mismatch; | |
496 | *data++ = (u64)t->cmdQ_full[0]; | |
497 | *data++ = (u64)t->cmdQ_full[1]; | |
498 | *data++ = (u64)t->tx_ipfrags; | |
499 | *data++ = (u64)t->tx_reg_pkts; | |
500 | *data++ = (u64)t->tx_lso_pkts; | |
501 | *data++ = (u64)t->tx_do_cksum; | |
502 | } | |
503 | ||
504 | static inline void reg_block_dump(struct adapter *ap, void *buf, | |
505 | unsigned int start, unsigned int end) | |
506 | { | |
507 | u32 *p = buf + start; | |
508 | ||
509 | for ( ; start <= end; start += sizeof(u32)) | |
510 | *p++ = readl(ap->regs + start); | |
511 | } | |
8199d3a7 | 512 | |
559fb51b SB |
513 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, |
514 | void *buf) | |
515 | { | |
516 | struct adapter *ap = dev->priv; | |
517 | ||
518 | /* | |
519 | * Version scheme: bits 0..9: chip version, bits 10..15: chip revision | |
520 | */ | |
521 | regs->version = 2; | |
522 | ||
523 | memset(buf, 0, T2_REGMAP_SIZE); | |
524 | reg_block_dump(ap, buf, 0, A_SG_RESPACCUTIMER); | |
8199d3a7 CL |
525 | } |
526 | ||
527 | static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
528 | { | |
529 | struct adapter *adapter = dev->priv; | |
530 | struct port_info *p = &adapter->port[dev->if_port]; | |
531 | ||
532 | cmd->supported = p->link_config.supported; | |
533 | cmd->advertising = p->link_config.advertising; | |
534 | ||
535 | if (netif_carrier_ok(dev)) { | |
536 | cmd->speed = p->link_config.speed; | |
537 | cmd->duplex = p->link_config.duplex; | |
538 | } else { | |
539 | cmd->speed = -1; | |
540 | cmd->duplex = -1; | |
541 | } | |
542 | ||
559fb51b SB |
543 | cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; |
544 | cmd->phy_address = p->phy->addr; | |
545 | cmd->transceiver = XCVR_EXTERNAL; | |
546 | cmd->autoneg = p->link_config.autoneg; | |
547 | cmd->maxtxpkt = 0; | |
548 | cmd->maxrxpkt = 0; | |
8199d3a7 CL |
549 | return 0; |
550 | } | |
551 | ||
552 | static int speed_duplex_to_caps(int speed, int duplex) | |
553 | { | |
554 | int cap = 0; | |
555 | ||
556 | switch (speed) { | |
557 | case SPEED_10: | |
558 | if (duplex == DUPLEX_FULL) | |
559 | cap = SUPPORTED_10baseT_Full; | |
560 | else | |
561 | cap = SUPPORTED_10baseT_Half; | |
562 | break; | |
563 | case SPEED_100: | |
564 | if (duplex == DUPLEX_FULL) | |
565 | cap = SUPPORTED_100baseT_Full; | |
566 | else | |
567 | cap = SUPPORTED_100baseT_Half; | |
568 | break; | |
569 | case SPEED_1000: | |
570 | if (duplex == DUPLEX_FULL) | |
571 | cap = SUPPORTED_1000baseT_Full; | |
572 | else | |
573 | cap = SUPPORTED_1000baseT_Half; | |
574 | break; | |
575 | case SPEED_10000: | |
576 | if (duplex == DUPLEX_FULL) | |
577 | cap = SUPPORTED_10000baseT_Full; | |
578 | } | |
579 | return cap; | |
580 | } | |
581 | ||
582 | #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ | |
583 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ | |
584 | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ | |
585 | ADVERTISED_10000baseT_Full) | |
586 | ||
587 | static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
588 | { | |
589 | struct adapter *adapter = dev->priv; | |
590 | struct port_info *p = &adapter->port[dev->if_port]; | |
591 | struct link_config *lc = &p->link_config; | |
592 | ||
593 | if (!(lc->supported & SUPPORTED_Autoneg)) | |
559fb51b | 594 | return -EOPNOTSUPP; /* can't change speed/duplex */ |
8199d3a7 CL |
595 | |
596 | if (cmd->autoneg == AUTONEG_DISABLE) { | |
597 | int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); | |
598 | ||
599 | if (!(lc->supported & cap) || cmd->speed == SPEED_1000) | |
600 | return -EINVAL; | |
601 | lc->requested_speed = cmd->speed; | |
602 | lc->requested_duplex = cmd->duplex; | |
603 | lc->advertising = 0; | |
604 | } else { | |
605 | cmd->advertising &= ADVERTISED_MASK; | |
606 | if (cmd->advertising & (cmd->advertising - 1)) | |
607 | cmd->advertising = lc->supported; | |
608 | cmd->advertising &= lc->supported; | |
609 | if (!cmd->advertising) | |
610 | return -EINVAL; | |
611 | lc->requested_speed = SPEED_INVALID; | |
612 | lc->requested_duplex = DUPLEX_INVALID; | |
613 | lc->advertising = cmd->advertising | ADVERTISED_Autoneg; | |
614 | } | |
615 | lc->autoneg = cmd->autoneg; | |
616 | if (netif_running(dev)) | |
617 | t1_link_start(p->phy, p->mac, lc); | |
618 | return 0; | |
619 | } | |
620 | ||
621 | static void get_pauseparam(struct net_device *dev, | |
622 | struct ethtool_pauseparam *epause) | |
623 | { | |
624 | struct adapter *adapter = dev->priv; | |
625 | struct port_info *p = &adapter->port[dev->if_port]; | |
626 | ||
627 | epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; | |
628 | epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; | |
629 | epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; | |
630 | } | |
631 | ||
632 | static int set_pauseparam(struct net_device *dev, | |
633 | struct ethtool_pauseparam *epause) | |
634 | { | |
635 | struct adapter *adapter = dev->priv; | |
636 | struct port_info *p = &adapter->port[dev->if_port]; | |
637 | struct link_config *lc = &p->link_config; | |
638 | ||
639 | if (epause->autoneg == AUTONEG_DISABLE) | |
640 | lc->requested_fc = 0; | |
641 | else if (lc->supported & SUPPORTED_Autoneg) | |
642 | lc->requested_fc = PAUSE_AUTONEG; | |
643 | else | |
644 | return -EINVAL; | |
645 | ||
646 | if (epause->rx_pause) | |
647 | lc->requested_fc |= PAUSE_RX; | |
648 | if (epause->tx_pause) | |
649 | lc->requested_fc |= PAUSE_TX; | |
650 | if (lc->autoneg == AUTONEG_ENABLE) { | |
651 | if (netif_running(dev)) | |
652 | t1_link_start(p->phy, p->mac, lc); | |
653 | } else { | |
654 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
655 | if (netif_running(dev)) | |
656 | p->mac->ops->set_speed_duplex_fc(p->mac, -1, -1, | |
657 | lc->fc); | |
658 | } | |
659 | return 0; | |
660 | } | |
661 | ||
662 | static u32 get_rx_csum(struct net_device *dev) | |
663 | { | |
664 | struct adapter *adapter = dev->priv; | |
665 | ||
666 | return (adapter->flags & RX_CSUM_ENABLED) != 0; | |
667 | } | |
668 | ||
669 | static int set_rx_csum(struct net_device *dev, u32 data) | |
670 | { | |
671 | struct adapter *adapter = dev->priv; | |
672 | ||
673 | if (data) | |
674 | adapter->flags |= RX_CSUM_ENABLED; | |
675 | else | |
676 | adapter->flags &= ~RX_CSUM_ENABLED; | |
677 | return 0; | |
678 | } | |
679 | ||
680 | static int set_tso(struct net_device *dev, u32 value) | |
681 | { | |
682 | struct adapter *adapter = dev->priv; | |
683 | ||
684 | if (!(adapter->flags & TSO_CAPABLE)) | |
685 | return value ? -EOPNOTSUPP : 0; | |
686 | return ethtool_op_set_tso(dev, value); | |
687 | } | |
688 | ||
689 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
690 | { | |
691 | struct adapter *adapter = dev->priv; | |
692 | int jumbo_fl = t1_is_T1B(adapter) ? 1 : 0; | |
693 | ||
694 | e->rx_max_pending = MAX_RX_BUFFERS; | |
695 | e->rx_mini_max_pending = 0; | |
696 | e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; | |
697 | e->tx_max_pending = MAX_CMDQ_ENTRIES; | |
698 | ||
699 | e->rx_pending = adapter->params.sge.freelQ_size[!jumbo_fl]; | |
700 | e->rx_mini_pending = 0; | |
701 | e->rx_jumbo_pending = adapter->params.sge.freelQ_size[jumbo_fl]; | |
702 | e->tx_pending = adapter->params.sge.cmdQ_size[0]; | |
703 | } | |
704 | ||
705 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
706 | { | |
707 | struct adapter *adapter = dev->priv; | |
708 | int jumbo_fl = t1_is_T1B(adapter) ? 1 : 0; | |
709 | ||
710 | if (e->rx_pending > MAX_RX_BUFFERS || e->rx_mini_pending || | |
711 | e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || | |
712 | e->tx_pending > MAX_CMDQ_ENTRIES || | |
713 | e->rx_pending < MIN_FL_ENTRIES || | |
714 | e->rx_jumbo_pending < MIN_FL_ENTRIES || | |
715 | e->tx_pending < (adapter->params.nports + 1) * (MAX_SKB_FRAGS + 1)) | |
716 | return -EINVAL; | |
717 | ||
718 | if (adapter->flags & FULL_INIT_DONE) | |
559fb51b | 719 | return -EBUSY; |
8199d3a7 CL |
720 | |
721 | adapter->params.sge.freelQ_size[!jumbo_fl] = e->rx_pending; | |
722 | adapter->params.sge.freelQ_size[jumbo_fl] = e->rx_jumbo_pending; | |
723 | adapter->params.sge.cmdQ_size[0] = e->tx_pending; | |
724 | adapter->params.sge.cmdQ_size[1] = e->tx_pending > MAX_CMDQ1_ENTRIES ? | |
725 | MAX_CMDQ1_ENTRIES : e->tx_pending; | |
726 | return 0; | |
727 | } | |
728 | ||
729 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
730 | { | |
731 | struct adapter *adapter = dev->priv; | |
732 | ||
559fb51b SB |
733 | /* |
734 | * If RX coalescing is requested we use NAPI, otherwise interrupts. | |
735 | * This choice can be made only when all ports and the TOE are off. | |
736 | */ | |
737 | if (adapter->open_device_map == 0) | |
738 | adapter->params.sge.polling = c->use_adaptive_rx_coalesce; | |
8199d3a7 | 739 | |
559fb51b SB |
740 | if (adapter->params.sge.polling) { |
741 | adapter->params.sge.rx_coalesce_usecs = 0; | |
8199d3a7 CL |
742 | } else { |
743 | adapter->params.sge.rx_coalesce_usecs = c->rx_coalesce_usecs; | |
744 | } | |
559fb51b | 745 | adapter->params.sge.coalesce_enable = c->use_adaptive_rx_coalesce; |
8199d3a7 | 746 | adapter->params.sge.sample_interval_usecs = c->rate_sample_interval; |
8199d3a7 CL |
747 | t1_sge_set_coalesce_params(adapter->sge, &adapter->params.sge); |
748 | return 0; | |
749 | } | |
750 | ||
751 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
752 | { | |
753 | struct adapter *adapter = dev->priv; | |
754 | ||
559fb51b | 755 | c->rx_coalesce_usecs = adapter->params.sge.rx_coalesce_usecs; |
8199d3a7 CL |
756 | c->rate_sample_interval = adapter->params.sge.sample_interval_usecs; |
757 | c->use_adaptive_rx_coalesce = adapter->params.sge.coalesce_enable; | |
758 | return 0; | |
759 | } | |
760 | ||
761 | static int get_eeprom_len(struct net_device *dev) | |
762 | { | |
559fb51b | 763 | return EEPROM_SIZE; |
8199d3a7 CL |
764 | } |
765 | ||
766 | #define EEPROM_MAGIC(ap) \ | |
767 | (PCI_VENDOR_ID_CHELSIO | ((ap)->params.chip_version << 16)) | |
768 | ||
769 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, | |
770 | u8 *data) | |
771 | { | |
772 | int i; | |
773 | u8 buf[EEPROM_SIZE] __attribute__((aligned(4))); | |
774 | struct adapter *adapter = dev->priv; | |
775 | ||
776 | e->magic = EEPROM_MAGIC(adapter); | |
777 | for (i = e->offset & ~3; i < e->offset + e->len; i += sizeof(u32)) | |
778 | t1_seeprom_read(adapter, i, (u32 *)&buf[i]); | |
779 | memcpy(data, buf + e->offset, e->len); | |
780 | return 0; | |
781 | } | |
782 | ||
783 | static struct ethtool_ops t1_ethtool_ops = { | |
784 | .get_settings = get_settings, | |
785 | .set_settings = set_settings, | |
786 | .get_drvinfo = get_drvinfo, | |
787 | .get_msglevel = get_msglevel, | |
788 | .set_msglevel = set_msglevel, | |
789 | .get_ringparam = get_sge_param, | |
790 | .set_ringparam = set_sge_param, | |
791 | .get_coalesce = get_coalesce, | |
792 | .set_coalesce = set_coalesce, | |
793 | .get_eeprom_len = get_eeprom_len, | |
794 | .get_eeprom = get_eeprom, | |
795 | .get_pauseparam = get_pauseparam, | |
796 | .set_pauseparam = set_pauseparam, | |
797 | .get_rx_csum = get_rx_csum, | |
798 | .set_rx_csum = set_rx_csum, | |
799 | .get_tx_csum = ethtool_op_get_tx_csum, | |
800 | .set_tx_csum = ethtool_op_set_tx_csum, | |
801 | .get_sg = ethtool_op_get_sg, | |
802 | .set_sg = ethtool_op_set_sg, | |
803 | .get_link = ethtool_op_get_link, | |
804 | .get_strings = get_strings, | |
805 | .get_stats_count = get_stats_count, | |
806 | .get_ethtool_stats = get_stats, | |
559fb51b SB |
807 | .get_regs_len = get_regs_len, |
808 | .get_regs = get_regs, | |
8199d3a7 CL |
809 | .get_tso = ethtool_op_get_tso, |
810 | .set_tso = set_tso, | |
811 | }; | |
812 | ||
559fb51b SB |
813 | static void cxgb_proc_cleanup(struct adapter *adapter, |
814 | struct proc_dir_entry *dir) | |
8199d3a7 | 815 | { |
559fb51b SB |
816 | const char *name; |
817 | name = adapter->name; | |
818 | remove_proc_entry(name, dir); | |
8199d3a7 | 819 | } |
559fb51b SB |
820 | //#define chtoe_setup_toedev(adapter) NULL |
821 | #define update_mtu_tab(adapter) | |
822 | #define write_smt_entry(adapter, idx) | |
8199d3a7 CL |
823 | |
824 | static int t1_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
825 | { | |
559fb51b | 826 | struct adapter *adapter = dev->priv; |
91fb4c96 | 827 | struct mii_ioctl_data *data = if_mii(req); |
8199d3a7 CL |
828 | |
829 | switch (cmd) { | |
559fb51b SB |
830 | case SIOCGMIIPHY: |
831 | data->phy_id = adapter->port[dev->if_port].phy->addr; | |
832 | /* FALLTHRU */ | |
833 | case SIOCGMIIREG: { | |
8199d3a7 CL |
834 | struct cphy *phy = adapter->port[dev->if_port].phy; |
835 | u32 val; | |
836 | ||
559fb51b SB |
837 | if (!phy->mdio_read) |
838 | return -EOPNOTSUPP; | |
8199d3a7 CL |
839 | phy->mdio_read(adapter, data->phy_id, 0, data->reg_num & 0x1f, |
840 | &val); | |
559fb51b SB |
841 | data->val_out = val; |
842 | break; | |
8199d3a7 | 843 | } |
559fb51b | 844 | case SIOCSMIIREG: { |
8199d3a7 CL |
845 | struct cphy *phy = adapter->port[dev->if_port].phy; |
846 | ||
559fb51b SB |
847 | if (!capable(CAP_NET_ADMIN)) |
848 | return -EPERM; | |
849 | if (!phy->mdio_write) | |
850 | return -EOPNOTSUPP; | |
8199d3a7 | 851 | phy->mdio_write(adapter, data->phy_id, 0, data->reg_num & 0x1f, |
559fb51b SB |
852 | data->val_in); |
853 | break; | |
8199d3a7 CL |
854 | } |
855 | ||
8199d3a7 CL |
856 | default: |
857 | return -EOPNOTSUPP; | |
858 | } | |
859 | return 0; | |
860 | } | |
861 | ||
862 | static int t1_change_mtu(struct net_device *dev, int new_mtu) | |
863 | { | |
864 | int ret; | |
865 | struct adapter *adapter = dev->priv; | |
866 | struct cmac *mac = adapter->port[dev->if_port].mac; | |
867 | ||
868 | if (!mac->ops->set_mtu) | |
559fb51b | 869 | return -EOPNOTSUPP; |
8199d3a7 | 870 | if (new_mtu < 68) |
559fb51b | 871 | return -EINVAL; |
8199d3a7 CL |
872 | if ((ret = mac->ops->set_mtu(mac, new_mtu))) |
873 | return ret; | |
874 | dev->mtu = new_mtu; | |
875 | return 0; | |
876 | } | |
877 | ||
878 | static int t1_set_mac_addr(struct net_device *dev, void *p) | |
879 | { | |
880 | struct adapter *adapter = dev->priv; | |
881 | struct cmac *mac = adapter->port[dev->if_port].mac; | |
882 | struct sockaddr *addr = p; | |
883 | ||
884 | if (!mac->ops->macaddress_set) | |
885 | return -EOPNOTSUPP; | |
886 | ||
887 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
888 | mac->ops->macaddress_set(mac, dev->dev_addr); | |
889 | return 0; | |
890 | } | |
891 | ||
892 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) | |
893 | static void vlan_rx_register(struct net_device *dev, | |
894 | struct vlan_group *grp) | |
895 | { | |
896 | struct adapter *adapter = dev->priv; | |
897 | ||
898 | spin_lock_irq(&adapter->async_lock); | |
899 | adapter->vlan_grp = grp; | |
900 | t1_set_vlan_accel(adapter, grp != NULL); | |
901 | spin_unlock_irq(&adapter->async_lock); | |
902 | } | |
903 | ||
904 | static void vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) | |
905 | { | |
906 | struct adapter *adapter = dev->priv; | |
907 | ||
908 | spin_lock_irq(&adapter->async_lock); | |
909 | if (adapter->vlan_grp) | |
910 | adapter->vlan_grp->vlan_devices[vid] = NULL; | |
911 | spin_unlock_irq(&adapter->async_lock); | |
912 | } | |
913 | #endif | |
914 | ||
915 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
916 | static void t1_netpoll(struct net_device *dev) | |
917 | { | |
559fb51b | 918 | unsigned long flags; |
8199d3a7 CL |
919 | struct adapter *adapter = dev->priv; |
920 | ||
559fb51b SB |
921 | local_irq_save(flags); |
922 | t1_select_intr_handler(adapter)(adapter->pdev->irq, adapter, NULL); | |
923 | local_irq_restore(flags); | |
8199d3a7 CL |
924 | } |
925 | #endif | |
926 | ||
927 | /* | |
928 | * Periodic accumulation of MAC statistics. This is used only if the MAC | |
929 | * does not have any other way to prevent stats counter overflow. | |
930 | */ | |
931 | static void mac_stats_task(void *data) | |
932 | { | |
933 | int i; | |
934 | struct adapter *adapter = data; | |
935 | ||
936 | for_each_port(adapter, i) { | |
937 | struct port_info *p = &adapter->port[i]; | |
938 | ||
939 | if (netif_running(p->dev)) | |
940 | p->mac->ops->statistics_update(p->mac, | |
941 | MAC_STATS_UPDATE_FAST); | |
942 | } | |
943 | ||
944 | /* Schedule the next statistics update if any port is active. */ | |
945 | spin_lock(&adapter->work_lock); | |
946 | if (adapter->open_device_map & PORT_MASK) | |
947 | schedule_mac_stats_update(adapter, | |
948 | adapter->params.stats_update_period); | |
949 | spin_unlock(&adapter->work_lock); | |
950 | } | |
951 | ||
952 | /* | |
953 | * Processes elmer0 external interrupts in process context. | |
954 | */ | |
955 | static void ext_intr_task(void *data) | |
956 | { | |
8199d3a7 CL |
957 | struct adapter *adapter = data; |
958 | ||
959 | elmer0_ext_intr_handler(adapter); | |
960 | ||
961 | /* Now reenable external interrupts */ | |
559fb51b | 962 | spin_lock_irq(&adapter->async_lock); |
8199d3a7 | 963 | adapter->slow_intr_mask |= F_PL_INTR_EXT; |
559fb51b SB |
964 | writel(F_PL_INTR_EXT, adapter->regs + A_PL_CAUSE); |
965 | writel(adapter->slow_intr_mask | F_PL_INTR_SGE_DATA, | |
966 | adapter->regs + A_PL_ENABLE); | |
967 | spin_unlock_irq(&adapter->async_lock); | |
8199d3a7 CL |
968 | } |
969 | ||
970 | /* | |
971 | * Interrupt-context handler for elmer0 external interrupts. | |
972 | */ | |
973 | void t1_elmer0_ext_intr(struct adapter *adapter) | |
974 | { | |
8199d3a7 CL |
975 | /* |
976 | * Schedule a task to handle external interrupts as we require | |
977 | * a process context. We disable EXT interrupts in the interim | |
978 | * and let the task reenable them when it's done. | |
979 | */ | |
980 | adapter->slow_intr_mask &= ~F_PL_INTR_EXT; | |
559fb51b SB |
981 | writel(adapter->slow_intr_mask | F_PL_INTR_SGE_DATA, |
982 | adapter->regs + A_PL_ENABLE); | |
8199d3a7 CL |
983 | schedule_work(&adapter->ext_intr_handler_task); |
984 | } | |
985 | ||
986 | void t1_fatal_err(struct adapter *adapter) | |
987 | { | |
988 | if (adapter->flags & FULL_INIT_DONE) { | |
989 | t1_sge_stop(adapter->sge); | |
990 | t1_interrupts_disable(adapter); | |
991 | } | |
992 | CH_ALERT("%s: encountered fatal error, operation suspended\n", | |
993 | adapter->name); | |
994 | } | |
995 | ||
8199d3a7 CL |
996 | static int __devinit init_one(struct pci_dev *pdev, |
997 | const struct pci_device_id *ent) | |
998 | { | |
999 | static int version_printed; | |
1000 | ||
1001 | int i, err, pci_using_dac = 0; | |
1002 | unsigned long mmio_start, mmio_len; | |
1003 | const struct board_info *bi; | |
1004 | struct adapter *adapter = NULL; | |
1005 | struct port_info *pi; | |
1006 | ||
1007 | if (!version_printed) { | |
559fb51b SB |
1008 | printk(KERN_INFO "%s - version %s\n", DRV_DESCRIPTION, |
1009 | DRV_VERSION); | |
8199d3a7 CL |
1010 | ++version_printed; |
1011 | } | |
1012 | ||
1013 | err = pci_enable_device(pdev); | |
1014 | if (err) | |
559fb51b | 1015 | return err; |
8199d3a7 CL |
1016 | |
1017 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1018 | CH_ERR("%s: cannot find PCI device memory base address\n", | |
1019 | pci_name(pdev)); | |
1020 | err = -ENODEV; | |
1021 | goto out_disable_pdev; | |
1022 | } | |
1023 | ||
559fb51b | 1024 | if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { |
8199d3a7 | 1025 | pci_using_dac = 1; |
559fb51b SB |
1026 | |
1027 | if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) { | |
8199d3a7 CL |
1028 | CH_ERR("%s: unable to obtain 64-bit DMA for" |
1029 | "consistent allocations\n", pci_name(pdev)); | |
1030 | err = -ENODEV; | |
1031 | goto out_disable_pdev; | |
1032 | } | |
559fb51b SB |
1033 | |
1034 | } else if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) { | |
8199d3a7 CL |
1035 | CH_ERR("%s: no usable DMA configuration\n", pci_name(pdev)); |
1036 | goto out_disable_pdev; | |
1037 | } | |
1038 | ||
559fb51b | 1039 | err = pci_request_regions(pdev, DRV_NAME); |
8199d3a7 CL |
1040 | if (err) { |
1041 | CH_ERR("%s: cannot obtain PCI resources\n", pci_name(pdev)); | |
1042 | goto out_disable_pdev; | |
1043 | } | |
1044 | ||
1045 | pci_set_master(pdev); | |
1046 | ||
559fb51b | 1047 | mmio_start = pci_resource_start(pdev, 0); |
8199d3a7 CL |
1048 | mmio_len = pci_resource_len(pdev, 0); |
1049 | bi = t1_get_board_info(ent->driver_data); | |
1050 | ||
1051 | for (i = 0; i < bi->port_number; ++i) { | |
1052 | struct net_device *netdev; | |
1053 | ||
1054 | netdev = alloc_etherdev(adapter ? 0 : sizeof(*adapter)); | |
1055 | if (!netdev) { | |
1056 | err = -ENOMEM; | |
1057 | goto out_free_dev; | |
1058 | } | |
1059 | ||
1060 | SET_MODULE_OWNER(netdev); | |
1061 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
1062 | ||
1063 | if (!adapter) { | |
1064 | adapter = netdev->priv; | |
1065 | adapter->pdev = pdev; | |
1066 | adapter->port[0].dev = netdev; /* so we don't leak it */ | |
1067 | ||
1068 | adapter->regs = ioremap(mmio_start, mmio_len); | |
1069 | if (!adapter->regs) { | |
1070 | CH_ERR("%s: cannot map device registers\n", | |
1071 | pci_name(pdev)); | |
1072 | err = -ENOMEM; | |
1073 | goto out_free_dev; | |
1074 | } | |
1075 | ||
1076 | if (t1_get_board_rev(adapter, bi, &adapter->params)) { | |
1077 | err = -ENODEV; /* Can't handle this chip rev */ | |
1078 | goto out_free_dev; | |
1079 | } | |
1080 | ||
1081 | adapter->name = pci_name(pdev); | |
1082 | adapter->msg_enable = dflt_msg_enable; | |
1083 | adapter->mmio_len = mmio_len; | |
1084 | ||
1085 | init_MUTEX(&adapter->mib_mutex); | |
1086 | spin_lock_init(&adapter->tpi_lock); | |
1087 | spin_lock_init(&adapter->work_lock); | |
1088 | spin_lock_init(&adapter->async_lock); | |
1089 | ||
1090 | INIT_WORK(&adapter->ext_intr_handler_task, | |
1091 | ext_intr_task, adapter); | |
1092 | INIT_WORK(&adapter->stats_update_task, mac_stats_task, | |
1093 | adapter); | |
559fb51b SB |
1094 | #ifdef work_struct |
1095 | init_timer(&adapter->stats_update_timer); | |
1096 | adapter->stats_update_timer.function = mac_stats_timer; | |
1097 | adapter->stats_update_timer.data = | |
1098 | (unsigned long)adapter; | |
1099 | #endif | |
8199d3a7 CL |
1100 | |
1101 | pci_set_drvdata(pdev, netdev); | |
8199d3a7 CL |
1102 | } |
1103 | ||
1104 | pi = &adapter->port[i]; | |
1105 | pi->dev = netdev; | |
1106 | netif_carrier_off(netdev); | |
1107 | netdev->irq = pdev->irq; | |
1108 | netdev->if_port = i; | |
1109 | netdev->mem_start = mmio_start; | |
1110 | netdev->mem_end = mmio_start + mmio_len - 1; | |
1111 | netdev->priv = adapter; | |
1112 | netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; | |
559fb51b SB |
1113 | netdev->features |= NETIF_F_LLTX; |
1114 | ||
8199d3a7 CL |
1115 | adapter->flags |= RX_CSUM_ENABLED | TCP_CSUM_CAPABLE; |
1116 | if (pci_using_dac) | |
1117 | netdev->features |= NETIF_F_HIGHDMA; | |
1118 | if (vlan_tso_capable(adapter)) { | |
8199d3a7 CL |
1119 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) |
1120 | adapter->flags |= VLAN_ACCEL_CAPABLE; | |
1121 | netdev->features |= | |
1122 | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
1123 | netdev->vlan_rx_register = vlan_rx_register; | |
1124 | netdev->vlan_rx_kill_vid = vlan_rx_kill_vid; | |
1125 | #endif | |
1126 | adapter->flags |= TSO_CAPABLE; | |
1127 | netdev->features |= NETIF_F_TSO; | |
1128 | } | |
1129 | ||
1130 | netdev->open = cxgb_open; | |
1131 | netdev->stop = cxgb_close; | |
1132 | netdev->hard_start_xmit = t1_start_xmit; | |
1133 | netdev->hard_header_len += (adapter->flags & TSO_CAPABLE) ? | |
1134 | sizeof(struct cpl_tx_pkt_lso) : | |
1135 | sizeof(struct cpl_tx_pkt); | |
1136 | netdev->get_stats = t1_get_stats; | |
1137 | netdev->set_multicast_list = t1_set_rxmode; | |
1138 | netdev->do_ioctl = t1_ioctl; | |
1139 | netdev->change_mtu = t1_change_mtu; | |
1140 | netdev->set_mac_address = t1_set_mac_addr; | |
1141 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
1142 | netdev->poll_controller = t1_netpoll; | |
1143 | #endif | |
1144 | netdev->weight = 64; | |
1145 | ||
559fb51b | 1146 | SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops); |
8199d3a7 CL |
1147 | } |
1148 | ||
1149 | if (t1_init_sw_modules(adapter, bi) < 0) { | |
1150 | err = -ENODEV; | |
1151 | goto out_free_dev; | |
1152 | } | |
1153 | ||
1154 | /* | |
1155 | * The card is now ready to go. If any errors occur during device | |
1156 | * registration we do not fail the whole card but rather proceed only | |
1157 | * with the ports we manage to register successfully. However we must | |
1158 | * register at least one net device. | |
1159 | */ | |
1160 | for (i = 0; i < bi->port_number; ++i) { | |
1161 | err = register_netdev(adapter->port[i].dev); | |
1162 | if (err) | |
1163 | CH_WARN("%s: cannot register net device %s, skipping\n", | |
1164 | pci_name(pdev), adapter->port[i].dev->name); | |
1165 | else { | |
1166 | /* | |
1167 | * Change the name we use for messages to the name of | |
1168 | * the first successfully registered interface. | |
1169 | */ | |
1170 | if (!adapter->registered_device_map) | |
1171 | adapter->name = adapter->port[i].dev->name; | |
1172 | ||
559fb51b | 1173 | __set_bit(i, &adapter->registered_device_map); |
8199d3a7 CL |
1174 | } |
1175 | } | |
1176 | if (!adapter->registered_device_map) { | |
1177 | CH_ERR("%s: could not register any net devices\n", | |
1178 | pci_name(pdev)); | |
1179 | goto out_release_adapter_res; | |
1180 | } | |
1181 | ||
1182 | printk(KERN_INFO "%s: %s (rev %d), %s %dMHz/%d-bit\n", adapter->name, | |
1183 | bi->desc, adapter->params.chip_revision, | |
1184 | adapter->params.pci.is_pcix ? "PCIX" : "PCI", | |
1185 | adapter->params.pci.speed, adapter->params.pci.width); | |
1186 | return 0; | |
1187 | ||
1188 | out_release_adapter_res: | |
1189 | t1_free_sw_modules(adapter); | |
1190 | out_free_dev: | |
1191 | if (adapter) { | |
559fb51b | 1192 | if (adapter->regs) iounmap(adapter->regs); |
8199d3a7 | 1193 | for (i = bi->port_number - 1; i >= 0; --i) |
559fb51b SB |
1194 | if (adapter->port[i].dev) { |
1195 | cxgb_proc_cleanup(adapter, proc_root_driver); | |
1196 | kfree(adapter->port[i].dev); | |
1197 | } | |
8199d3a7 CL |
1198 | } |
1199 | pci_release_regions(pdev); | |
1200 | out_disable_pdev: | |
1201 | pci_disable_device(pdev); | |
1202 | pci_set_drvdata(pdev, NULL); | |
1203 | return err; | |
1204 | } | |
1205 | ||
1206 | static inline void t1_sw_reset(struct pci_dev *pdev) | |
1207 | { | |
1208 | pci_write_config_dword(pdev, A_PCICFG_PM_CSR, 3); | |
1209 | pci_write_config_dword(pdev, A_PCICFG_PM_CSR, 0); | |
1210 | } | |
1211 | ||
1212 | static void __devexit remove_one(struct pci_dev *pdev) | |
1213 | { | |
1214 | struct net_device *dev = pci_get_drvdata(pdev); | |
1215 | ||
1216 | if (dev) { | |
1217 | int i; | |
1218 | struct adapter *adapter = dev->priv; | |
1219 | ||
1220 | for_each_port(adapter, i) | |
1221 | if (test_bit(i, &adapter->registered_device_map)) | |
1222 | unregister_netdev(adapter->port[i].dev); | |
1223 | ||
1224 | t1_free_sw_modules(adapter); | |
1225 | iounmap(adapter->regs); | |
1226 | while (--i >= 0) | |
559fb51b SB |
1227 | if (adapter->port[i].dev) { |
1228 | cxgb_proc_cleanup(adapter, proc_root_driver); | |
1229 | kfree(adapter->port[i].dev); | |
1230 | } | |
8199d3a7 CL |
1231 | pci_release_regions(pdev); |
1232 | pci_disable_device(pdev); | |
1233 | pci_set_drvdata(pdev, NULL); | |
1234 | t1_sw_reset(pdev); | |
1235 | } | |
1236 | } | |
1237 | ||
1238 | static struct pci_driver driver = { | |
559fb51b | 1239 | .name = DRV_NAME, |
8199d3a7 CL |
1240 | .id_table = t1_pci_tbl, |
1241 | .probe = init_one, | |
1242 | .remove = __devexit_p(remove_one), | |
1243 | }; | |
1244 | ||
1245 | static int __init t1_init_module(void) | |
1246 | { | |
1247 | return pci_module_init(&driver); | |
1248 | } | |
1249 | ||
1250 | static void __exit t1_cleanup_module(void) | |
1251 | { | |
1252 | pci_unregister_driver(&driver); | |
1253 | } | |
1254 | ||
1255 | module_init(t1_init_module); | |
1256 | module_exit(t1_cleanup_module); |