diff options
author | Jeff Garzik <jeff@garzik.org> | 2006-05-26 21:39:03 -0400 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-05-26 21:39:03 -0400 |
commit | f3b197ac26ed0e57989856494c495818dcc7f9ac (patch) | |
tree | 5451adb0bc6c219d0a794ea32e3c598740c82bdf /drivers/net/tulip/xircom_cb.c | |
parent | 4c0c2fd486b6598e37c77b5d81a08bc2d948aa7b (diff) |
[netdrvr] trim trailing whitespace: 8139*.c, epic100, forcedeth, tulip/*
Diffstat (limited to 'drivers/net/tulip/xircom_cb.c')
-rw-r--r-- | drivers/net/tulip/xircom_cb.c | 208 |
1 files changed, 104 insertions, 104 deletions
diff --git a/drivers/net/tulip/xircom_cb.c b/drivers/net/tulip/xircom_cb.c index 56344103ac23..63c2175ed138 100644 --- a/drivers/net/tulip/xircom_cb.c +++ b/drivers/net/tulip/xircom_cb.c | |||
@@ -1,11 +1,11 @@ | |||
1 | /* | 1 | /* |
2 | * xircom_cb: A driver for the (tulip-like) Xircom Cardbus ethernet cards | 2 | * xircom_cb: A driver for the (tulip-like) Xircom Cardbus ethernet cards |
3 | * | 3 | * |
4 | * This software is (C) by the respective authors, and licensed under the GPL | 4 | * This software is (C) by the respective authors, and licensed under the GPL |
5 | * License. | 5 | * License. |
6 | * | 6 | * |
7 | * Written by Arjan van de Ven for Red Hat, Inc. | 7 | * Written by Arjan van de Ven for Red Hat, Inc. |
8 | * Based on work by Jeff Garzik, Doug Ledford and Donald Becker | 8 | * Based on work by Jeff Garzik, Doug Ledford and Donald Becker |
9 | * | 9 | * |
10 | * This software may be used and distributed according to the terms | 10 | * This software may be used and distributed according to the terms |
11 | * of the GNU General Public License, incorporated herein by reference. | 11 | * of the GNU General Public License, incorporated herein by reference. |
@@ -93,7 +93,7 @@ struct xircom_private { | |||
93 | 93 | ||
94 | unsigned long io_port; | 94 | unsigned long io_port; |
95 | int open; | 95 | int open; |
96 | 96 | ||
97 | /* transmit_used is the rotating counter that indicates which transmit | 97 | /* transmit_used is the rotating counter that indicates which transmit |
98 | descriptor has to be used next */ | 98 | descriptor has to be used next */ |
99 | int transmit_used; | 99 | int transmit_used; |
@@ -153,10 +153,10 @@ static struct pci_device_id xircom_pci_table[] = { | |||
153 | MODULE_DEVICE_TABLE(pci, xircom_pci_table); | 153 | MODULE_DEVICE_TABLE(pci, xircom_pci_table); |
154 | 154 | ||
155 | static struct pci_driver xircom_ops = { | 155 | static struct pci_driver xircom_ops = { |
156 | .name = "xircom_cb", | 156 | .name = "xircom_cb", |
157 | .id_table = xircom_pci_table, | 157 | .id_table = xircom_pci_table, |
158 | .probe = xircom_probe, | 158 | .probe = xircom_probe, |
159 | .remove = xircom_remove, | 159 | .remove = xircom_remove, |
160 | .suspend =NULL, | 160 | .suspend =NULL, |
161 | .resume =NULL | 161 | .resume =NULL |
162 | }; | 162 | }; |
@@ -174,7 +174,7 @@ static void print_binary(unsigned int number) | |||
174 | buffer[i2++]='1'; | 174 | buffer[i2++]='1'; |
175 | else | 175 | else |
176 | buffer[i2++]='0'; | 176 | buffer[i2++]='0'; |
177 | if ((i&3)==0) | 177 | if ((i&3)==0) |
178 | buffer[i2++]=' '; | 178 | buffer[i2++]=' '; |
179 | } | 179 | } |
180 | printk("%s\n",buffer); | 180 | printk("%s\n",buffer); |
@@ -196,10 +196,10 @@ static struct ethtool_ops netdev_ethtool_ops = { | |||
196 | 196 | ||
197 | /* xircom_probe is the code that gets called on device insertion. | 197 | /* xircom_probe is the code that gets called on device insertion. |
198 | it sets up the hardware and registers the device to the networklayer. | 198 | it sets up the hardware and registers the device to the networklayer. |
199 | 199 | ||
200 | TODO: Send 1 or 2 "dummy" packets here as the card seems to discard the | 200 | TODO: Send 1 or 2 "dummy" packets here as the card seems to discard the |
201 | first two packets that get send, and pump hates that. | 201 | first two packets that get send, and pump hates that. |
202 | 202 | ||
203 | */ | 203 | */ |
204 | static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_id *id) | 204 | static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
205 | { | 205 | { |
@@ -209,7 +209,7 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ | |||
209 | unsigned long flags; | 209 | unsigned long flags; |
210 | unsigned short tmp16; | 210 | unsigned short tmp16; |
211 | enter("xircom_probe"); | 211 | enter("xircom_probe"); |
212 | 212 | ||
213 | /* First do the PCI initialisation */ | 213 | /* First do the PCI initialisation */ |
214 | 214 | ||
215 | if (pci_enable_device(pdev)) | 215 | if (pci_enable_device(pdev)) |
@@ -217,24 +217,24 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ | |||
217 | 217 | ||
218 | /* disable all powermanagement */ | 218 | /* disable all powermanagement */ |
219 | pci_write_config_dword(pdev, PCI_POWERMGMT, 0x0000); | 219 | pci_write_config_dword(pdev, PCI_POWERMGMT, 0x0000); |
220 | 220 | ||
221 | pci_set_master(pdev); /* Why isn't this done by pci_enable_device ?*/ | 221 | pci_set_master(pdev); /* Why isn't this done by pci_enable_device ?*/ |
222 | 222 | ||
223 | /* clear PCI status, if any */ | 223 | /* clear PCI status, if any */ |
224 | pci_read_config_word (pdev,PCI_STATUS, &tmp16); | 224 | pci_read_config_word (pdev,PCI_STATUS, &tmp16); |
225 | pci_write_config_word (pdev, PCI_STATUS,tmp16); | 225 | pci_write_config_word (pdev, PCI_STATUS,tmp16); |
226 | 226 | ||
227 | pci_read_config_byte(pdev, PCI_REVISION_ID, &chip_rev); | 227 | pci_read_config_byte(pdev, PCI_REVISION_ID, &chip_rev); |
228 | 228 | ||
229 | if (!request_region(pci_resource_start(pdev, 0), 128, "xircom_cb")) { | 229 | if (!request_region(pci_resource_start(pdev, 0), 128, "xircom_cb")) { |
230 | printk(KERN_ERR "xircom_probe: failed to allocate io-region\n"); | 230 | printk(KERN_ERR "xircom_probe: failed to allocate io-region\n"); |
231 | return -ENODEV; | 231 | return -ENODEV; |
232 | } | 232 | } |
233 | 233 | ||
234 | /* | 234 | /* |
235 | Before changing the hardware, allocate the memory. | 235 | Before changing the hardware, allocate the memory. |
236 | This way, we can fail gracefully if not enough memory | 236 | This way, we can fail gracefully if not enough memory |
237 | is available. | 237 | is available. |
238 | */ | 238 | */ |
239 | dev = alloc_etherdev(sizeof(struct xircom_private)); | 239 | dev = alloc_etherdev(sizeof(struct xircom_private)); |
240 | if (!dev) { | 240 | if (!dev) { |
@@ -242,13 +242,13 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ | |||
242 | goto device_fail; | 242 | goto device_fail; |
243 | } | 243 | } |
244 | private = netdev_priv(dev); | 244 | private = netdev_priv(dev); |
245 | 245 | ||
246 | /* Allocate the send/receive buffers */ | 246 | /* Allocate the send/receive buffers */ |
247 | private->rx_buffer = pci_alloc_consistent(pdev,8192,&private->rx_dma_handle); | 247 | private->rx_buffer = pci_alloc_consistent(pdev,8192,&private->rx_dma_handle); |
248 | if (private->rx_buffer == NULL) { | 248 | if (private->rx_buffer == NULL) { |
249 | printk(KERN_ERR "xircom_probe: no memory for rx buffer \n"); | 249 | printk(KERN_ERR "xircom_probe: no memory for rx buffer \n"); |
250 | goto rx_buf_fail; | 250 | goto rx_buf_fail; |
251 | } | 251 | } |
252 | private->tx_buffer = pci_alloc_consistent(pdev,8192,&private->tx_dma_handle); | 252 | private->tx_buffer = pci_alloc_consistent(pdev,8192,&private->tx_dma_handle); |
253 | if (private->tx_buffer == NULL) { | 253 | if (private->tx_buffer == NULL) { |
254 | printk(KERN_ERR "xircom_probe: no memory for tx buffer \n"); | 254 | printk(KERN_ERR "xircom_probe: no memory for tx buffer \n"); |
@@ -265,11 +265,11 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ | |||
265 | spin_lock_init(&private->lock); | 265 | spin_lock_init(&private->lock); |
266 | dev->irq = pdev->irq; | 266 | dev->irq = pdev->irq; |
267 | dev->base_addr = private->io_port; | 267 | dev->base_addr = private->io_port; |
268 | 268 | ||
269 | initialize_card(private); | 269 | initialize_card(private); |
270 | read_mac_address(private); | 270 | read_mac_address(private); |
271 | setup_descriptors(private); | 271 | setup_descriptors(private); |
272 | 272 | ||
273 | dev->open = &xircom_open; | 273 | dev->open = &xircom_open; |
274 | dev->hard_start_xmit = &xircom_start_xmit; | 274 | dev->hard_start_xmit = &xircom_start_xmit; |
275 | dev->stop = &xircom_close; | 275 | dev->stop = &xircom_close; |
@@ -285,19 +285,19 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ | |||
285 | printk(KERN_ERR "xircom_probe: netdevice registration failed.\n"); | 285 | printk(KERN_ERR "xircom_probe: netdevice registration failed.\n"); |
286 | goto reg_fail; | 286 | goto reg_fail; |
287 | } | 287 | } |
288 | 288 | ||
289 | printk(KERN_INFO "%s: Xircom cardbus revision %i at irq %i \n", dev->name, chip_rev, pdev->irq); | 289 | printk(KERN_INFO "%s: Xircom cardbus revision %i at irq %i \n", dev->name, chip_rev, pdev->irq); |
290 | /* start the transmitter to get a heartbeat */ | 290 | /* start the transmitter to get a heartbeat */ |
291 | /* TODO: send 2 dummy packets here */ | 291 | /* TODO: send 2 dummy packets here */ |
292 | transceiver_voodoo(private); | 292 | transceiver_voodoo(private); |
293 | 293 | ||
294 | spin_lock_irqsave(&private->lock,flags); | 294 | spin_lock_irqsave(&private->lock,flags); |
295 | activate_transmitter(private); | 295 | activate_transmitter(private); |
296 | activate_receiver(private); | 296 | activate_receiver(private); |
297 | spin_unlock_irqrestore(&private->lock,flags); | 297 | spin_unlock_irqrestore(&private->lock,flags); |
298 | 298 | ||
299 | trigger_receive(private); | 299 | trigger_receive(private); |
300 | 300 | ||
301 | leave("xircom_probe"); | 301 | leave("xircom_probe"); |
302 | return 0; | 302 | return 0; |
303 | 303 | ||
@@ -332,7 +332,7 @@ static void __devexit xircom_remove(struct pci_dev *pdev) | |||
332 | free_netdev(dev); | 332 | free_netdev(dev); |
333 | pci_set_drvdata(pdev, NULL); | 333 | pci_set_drvdata(pdev, NULL); |
334 | leave("xircom_remove"); | 334 | leave("xircom_remove"); |
335 | } | 335 | } |
336 | 336 | ||
337 | static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs) | 337 | static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs) |
338 | { | 338 | { |
@@ -346,11 +346,11 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs | |||
346 | spin_lock(&card->lock); | 346 | spin_lock(&card->lock); |
347 | status = inl(card->io_port+CSR5); | 347 | status = inl(card->io_port+CSR5); |
348 | 348 | ||
349 | #ifdef DEBUG | 349 | #ifdef DEBUG |
350 | print_binary(status); | 350 | print_binary(status); |
351 | printk("tx status 0x%08x 0x%08x \n",card->tx_buffer[0],card->tx_buffer[4]); | 351 | printk("tx status 0x%08x 0x%08x \n",card->tx_buffer[0],card->tx_buffer[4]); |
352 | printk("rx status 0x%08x 0x%08x \n",card->rx_buffer[0],card->rx_buffer[4]); | 352 | printk("rx status 0x%08x 0x%08x \n",card->rx_buffer[0],card->rx_buffer[4]); |
353 | #endif | 353 | #endif |
354 | /* Handle shared irq and hotplug */ | 354 | /* Handle shared irq and hotplug */ |
355 | if (status == 0 || status == 0xffffffff) { | 355 | if (status == 0 || status == 0xffffffff) { |
356 | spin_unlock(&card->lock); | 356 | spin_unlock(&card->lock); |
@@ -366,21 +366,21 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs | |||
366 | netif_carrier_on(dev); | 366 | netif_carrier_on(dev); |
367 | else | 367 | else |
368 | netif_carrier_off(dev); | 368 | netif_carrier_off(dev); |
369 | 369 | ||
370 | } | 370 | } |
371 | 371 | ||
372 | /* Clear all remaining interrupts */ | 372 | /* Clear all remaining interrupts */ |
373 | status |= 0xffffffff; /* FIXME: make this clear only the | 373 | status |= 0xffffffff; /* FIXME: make this clear only the |
374 | real existing bits */ | 374 | real existing bits */ |
375 | outl(status,card->io_port+CSR5); | 375 | outl(status,card->io_port+CSR5); |
376 | |||
377 | 376 | ||
378 | for (i=0;i<NUMDESCRIPTORS;i++) | 377 | |
378 | for (i=0;i<NUMDESCRIPTORS;i++) | ||
379 | investigate_write_descriptor(dev,card,i,bufferoffsets[i]); | 379 | investigate_write_descriptor(dev,card,i,bufferoffsets[i]); |
380 | for (i=0;i<NUMDESCRIPTORS;i++) | 380 | for (i=0;i<NUMDESCRIPTORS;i++) |
381 | investigate_read_descriptor(dev,card,i,bufferoffsets[i]); | 381 | investigate_read_descriptor(dev,card,i,bufferoffsets[i]); |
382 | 382 | ||
383 | 383 | ||
384 | spin_unlock(&card->lock); | 384 | spin_unlock(&card->lock); |
385 | leave("xircom_interrupt"); | 385 | leave("xircom_interrupt"); |
386 | return IRQ_HANDLED; | 386 | return IRQ_HANDLED; |
@@ -393,38 +393,38 @@ static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev) | |||
393 | int nextdescriptor; | 393 | int nextdescriptor; |
394 | int desc; | 394 | int desc; |
395 | enter("xircom_start_xmit"); | 395 | enter("xircom_start_xmit"); |
396 | 396 | ||
397 | card = netdev_priv(dev); | 397 | card = netdev_priv(dev); |
398 | spin_lock_irqsave(&card->lock,flags); | 398 | spin_lock_irqsave(&card->lock,flags); |
399 | 399 | ||
400 | /* First see if we can free some descriptors */ | 400 | /* First see if we can free some descriptors */ |
401 | for (desc=0;desc<NUMDESCRIPTORS;desc++) | 401 | for (desc=0;desc<NUMDESCRIPTORS;desc++) |
402 | investigate_write_descriptor(dev,card,desc,bufferoffsets[desc]); | 402 | investigate_write_descriptor(dev,card,desc,bufferoffsets[desc]); |
403 | 403 | ||
404 | 404 | ||
405 | nextdescriptor = (card->transmit_used +1) % (NUMDESCRIPTORS); | 405 | nextdescriptor = (card->transmit_used +1) % (NUMDESCRIPTORS); |
406 | desc = card->transmit_used; | 406 | desc = card->transmit_used; |
407 | 407 | ||
408 | /* only send the packet if the descriptor is free */ | 408 | /* only send the packet if the descriptor is free */ |
409 | if (card->tx_buffer[4*desc]==0) { | 409 | if (card->tx_buffer[4*desc]==0) { |
410 | /* Copy the packet data; zero the memory first as the card | 410 | /* Copy the packet data; zero the memory first as the card |
411 | sometimes sends more than you ask it to. */ | 411 | sometimes sends more than you ask it to. */ |
412 | 412 | ||
413 | memset(&card->tx_buffer[bufferoffsets[desc]/4],0,1536); | 413 | memset(&card->tx_buffer[bufferoffsets[desc]/4],0,1536); |
414 | memcpy(&(card->tx_buffer[bufferoffsets[desc]/4]),skb->data,skb->len); | 414 | memcpy(&(card->tx_buffer[bufferoffsets[desc]/4]),skb->data,skb->len); |
415 | 415 | ||
416 | 416 | ||
417 | /* FIXME: The specification tells us that the length we send HAS to be a multiple of | 417 | /* FIXME: The specification tells us that the length we send HAS to be a multiple of |
418 | 4 bytes. */ | 418 | 4 bytes. */ |
419 | 419 | ||
420 | card->tx_buffer[4*desc+1] = skb->len; | 420 | card->tx_buffer[4*desc+1] = skb->len; |
421 | if (desc == NUMDESCRIPTORS-1) | 421 | if (desc == NUMDESCRIPTORS-1) |
422 | card->tx_buffer[4*desc+1] |= (1<<25); /* bit 25: last descriptor of the ring */ | 422 | card->tx_buffer[4*desc+1] |= (1<<25); /* bit 25: last descriptor of the ring */ |
423 | 423 | ||
424 | card->tx_buffer[4*desc+1] |= 0xF0000000; | 424 | card->tx_buffer[4*desc+1] |= 0xF0000000; |
425 | /* 0xF0... means want interrupts*/ | 425 | /* 0xF0... means want interrupts*/ |
426 | card->tx_skb[desc] = skb; | 426 | card->tx_skb[desc] = skb; |
427 | 427 | ||
428 | wmb(); | 428 | wmb(); |
429 | /* This gives the descriptor to the card */ | 429 | /* This gives the descriptor to the card */ |
430 | card->tx_buffer[4*desc] = 0x80000000; | 430 | card->tx_buffer[4*desc] = 0x80000000; |
@@ -433,18 +433,18 @@ static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev) | |||
433 | netif_stop_queue(dev); | 433 | netif_stop_queue(dev); |
434 | } | 434 | } |
435 | card->transmit_used = nextdescriptor; | 435 | card->transmit_used = nextdescriptor; |
436 | leave("xircom-start_xmit - sent"); | 436 | leave("xircom-start_xmit - sent"); |
437 | spin_unlock_irqrestore(&card->lock,flags); | 437 | spin_unlock_irqrestore(&card->lock,flags); |
438 | return 0; | 438 | return 0; |
439 | } | 439 | } |
440 | 440 | ||
441 | 441 | ||
442 | 442 | ||
443 | /* Uh oh... no free descriptor... drop the packet */ | 443 | /* Uh oh... no free descriptor... drop the packet */ |
444 | netif_stop_queue(dev); | 444 | netif_stop_queue(dev); |
445 | spin_unlock_irqrestore(&card->lock,flags); | 445 | spin_unlock_irqrestore(&card->lock,flags); |
446 | trigger_transmit(card); | 446 | trigger_transmit(card); |
447 | 447 | ||
448 | return -EIO; | 448 | return -EIO; |
449 | } | 449 | } |
450 | 450 | ||
@@ -462,7 +462,7 @@ static int xircom_open(struct net_device *dev) | |||
462 | leave("xircom_open - No IRQ"); | 462 | leave("xircom_open - No IRQ"); |
463 | return retval; | 463 | return retval; |
464 | } | 464 | } |
465 | 465 | ||
466 | xircom_up(xp); | 466 | xircom_up(xp); |
467 | xp->open = 1; | 467 | xp->open = 1; |
468 | leave("xircom_open"); | 468 | leave("xircom_open"); |
@@ -473,31 +473,31 @@ static int xircom_close(struct net_device *dev) | |||
473 | { | 473 | { |
474 | struct xircom_private *card; | 474 | struct xircom_private *card; |
475 | unsigned long flags; | 475 | unsigned long flags; |
476 | 476 | ||
477 | enter("xircom_close"); | 477 | enter("xircom_close"); |
478 | card = netdev_priv(dev); | 478 | card = netdev_priv(dev); |
479 | netif_stop_queue(dev); /* we don't want new packets */ | 479 | netif_stop_queue(dev); /* we don't want new packets */ |
480 | 480 | ||
481 | 481 | ||
482 | spin_lock_irqsave(&card->lock,flags); | 482 | spin_lock_irqsave(&card->lock,flags); |
483 | 483 | ||
484 | disable_all_interrupts(card); | 484 | disable_all_interrupts(card); |
485 | #if 0 | 485 | #if 0 |
486 | /* We can enable this again once we send dummy packets on ifconfig ethX up */ | 486 | /* We can enable this again once we send dummy packets on ifconfig ethX up */ |
487 | deactivate_receiver(card); | 487 | deactivate_receiver(card); |
488 | deactivate_transmitter(card); | 488 | deactivate_transmitter(card); |
489 | #endif | 489 | #endif |
490 | remove_descriptors(card); | 490 | remove_descriptors(card); |
491 | 491 | ||
492 | spin_unlock_irqrestore(&card->lock,flags); | 492 | spin_unlock_irqrestore(&card->lock,flags); |
493 | 493 | ||
494 | card->open = 0; | 494 | card->open = 0; |
495 | free_irq(dev->irq,dev); | 495 | free_irq(dev->irq,dev); |
496 | 496 | ||
497 | leave("xircom_close"); | 497 | leave("xircom_close"); |
498 | 498 | ||
499 | return 0; | 499 | return 0; |
500 | 500 | ||
501 | } | 501 | } |
502 | 502 | ||
503 | 503 | ||
@@ -506,8 +506,8 @@ static struct net_device_stats *xircom_get_stats(struct net_device *dev) | |||
506 | { | 506 | { |
507 | struct xircom_private *card = netdev_priv(dev); | 507 | struct xircom_private *card = netdev_priv(dev); |
508 | return &card->stats; | 508 | return &card->stats; |
509 | } | 509 | } |
510 | 510 | ||
511 | 511 | ||
512 | #ifdef CONFIG_NET_POLL_CONTROLLER | 512 | #ifdef CONFIG_NET_POLL_CONTROLLER |
513 | static void xircom_poll_controller(struct net_device *dev) | 513 | static void xircom_poll_controller(struct net_device *dev) |
@@ -540,7 +540,7 @@ static void initialize_card(struct xircom_private *card) | |||
540 | outl(val, card->io_port + CSR0); | 540 | outl(val, card->io_port + CSR0); |
541 | 541 | ||
542 | 542 | ||
543 | val = 0; /* Value 0x00 is a safe and conservative value | 543 | val = 0; /* Value 0x00 is a safe and conservative value |
544 | for the PCI configuration settings */ | 544 | for the PCI configuration settings */ |
545 | outl(val, card->io_port + CSR0); | 545 | outl(val, card->io_port + CSR0); |
546 | 546 | ||
@@ -617,23 +617,23 @@ static void setup_descriptors(struct xircom_private *card) | |||
617 | 617 | ||
618 | /* Rx Descr2: address of the buffer | 618 | /* Rx Descr2: address of the buffer |
619 | we store the buffer at the 2nd half of the page */ | 619 | we store the buffer at the 2nd half of the page */ |
620 | 620 | ||
621 | address = (unsigned long) card->rx_dma_handle; | 621 | address = (unsigned long) card->rx_dma_handle; |
622 | card->rx_buffer[i*4 + 2] = cpu_to_le32(address + bufferoffsets[i]); | 622 | card->rx_buffer[i*4 + 2] = cpu_to_le32(address + bufferoffsets[i]); |
623 | /* Rx Desc3: address of 2nd buffer -> 0 */ | 623 | /* Rx Desc3: address of 2nd buffer -> 0 */ |
624 | card->rx_buffer[i*4 + 3] = 0; | 624 | card->rx_buffer[i*4 + 3] = 0; |
625 | } | 625 | } |
626 | 626 | ||
627 | wmb(); | 627 | wmb(); |
628 | /* Write the receive descriptor ring address to the card */ | 628 | /* Write the receive descriptor ring address to the card */ |
629 | address = (unsigned long) card->rx_dma_handle; | 629 | address = (unsigned long) card->rx_dma_handle; |
630 | val = cpu_to_le32(address); | 630 | val = cpu_to_le32(address); |
631 | outl(val, card->io_port + CSR3); /* Receive descr list address */ | 631 | outl(val, card->io_port + CSR3); /* Receive descr list address */ |
632 | 632 | ||
633 | 633 | ||
634 | /* transmit descriptors */ | 634 | /* transmit descriptors */ |
635 | memset(card->tx_buffer, 0, 128); /* clear the descriptors */ | 635 | memset(card->tx_buffer, 0, 128); /* clear the descriptors */ |
636 | 636 | ||
637 | for (i=0;i<NUMDESCRIPTORS;i++ ) { | 637 | for (i=0;i<NUMDESCRIPTORS;i++ ) { |
638 | /* Tx Descr0: Empty, we own it, no errors -> 0x00000000 */ | 638 | /* Tx Descr0: Empty, we own it, no errors -> 0x00000000 */ |
639 | card->tx_buffer[i*4 + 0] = 0x00000000; | 639 | card->tx_buffer[i*4 + 0] = 0x00000000; |
@@ -641,7 +641,7 @@ static void setup_descriptors(struct xircom_private *card) | |||
641 | card->tx_buffer[i*4 + 1] = 1536; | 641 | card->tx_buffer[i*4 + 1] = 1536; |
642 | if (i==NUMDESCRIPTORS-1) | 642 | if (i==NUMDESCRIPTORS-1) |
643 | card->tx_buffer[i*4 + 1] |= (1 << 25); /* bit 25 is "last descriptor" */ | 643 | card->tx_buffer[i*4 + 1] |= (1 << 25); /* bit 25 is "last descriptor" */ |
644 | 644 | ||
645 | /* Tx Descr2: address of the buffer | 645 | /* Tx Descr2: address of the buffer |
646 | we store the buffer at the 2nd half of the page */ | 646 | we store the buffer at the 2nd half of the page */ |
647 | address = (unsigned long) card->tx_dma_handle; | 647 | address = (unsigned long) card->tx_dma_handle; |
@@ -748,7 +748,7 @@ static int receive_active(struct xircom_private *card) | |||
748 | activate_receiver enables the receiver on the card. | 748 | activate_receiver enables the receiver on the card. |
749 | Before being allowed to active the receiver, the receiver | 749 | Before being allowed to active the receiver, the receiver |
750 | must be completely de-activated. To achieve this, | 750 | must be completely de-activated. To achieve this, |
751 | this code actually disables the receiver first; then it waits for the | 751 | this code actually disables the receiver first; then it waits for the |
752 | receiver to become inactive, then it activates the receiver and then | 752 | receiver to become inactive, then it activates the receiver and then |
753 | it waits for the receiver to be active. | 753 | it waits for the receiver to be active. |
754 | 754 | ||
@@ -762,13 +762,13 @@ static void activate_receiver(struct xircom_private *card) | |||
762 | 762 | ||
763 | 763 | ||
764 | val = inl(card->io_port + CSR6); /* Operation mode */ | 764 | val = inl(card->io_port + CSR6); /* Operation mode */ |
765 | 765 | ||
766 | /* If the "active" bit is set and the receiver is already | 766 | /* If the "active" bit is set and the receiver is already |
767 | active, no need to do the expensive thing */ | 767 | active, no need to do the expensive thing */ |
768 | if ((val&2) && (receive_active(card))) | 768 | if ((val&2) && (receive_active(card))) |
769 | return; | 769 | return; |
770 | 770 | ||
771 | 771 | ||
772 | val = val & ~2; /* disable the receiver */ | 772 | val = val & ~2; /* disable the receiver */ |
773 | outl(val, card->io_port + CSR6); | 773 | outl(val, card->io_port + CSR6); |
774 | 774 | ||
@@ -805,7 +805,7 @@ static void activate_receiver(struct xircom_private *card) | |||
805 | 805 | ||
806 | /* | 806 | /* |
807 | deactivate_receiver disables the receiver on the card. | 807 | deactivate_receiver disables the receiver on the card. |
808 | To achieve this this code disables the receiver first; | 808 | To achieve this this code disables the receiver first; |
809 | then it waits for the receiver to become inactive. | 809 | then it waits for the receiver to become inactive. |
810 | 810 | ||
811 | must be called with the lock held and interrupts disabled. | 811 | must be called with the lock held and interrupts disabled. |
@@ -840,7 +840,7 @@ static void deactivate_receiver(struct xircom_private *card) | |||
840 | activate_transmitter enables the transmitter on the card. | 840 | activate_transmitter enables the transmitter on the card. |
841 | Before being allowed to active the transmitter, the transmitter | 841 | Before being allowed to active the transmitter, the transmitter |
842 | must be completely de-activated. To achieve this, | 842 | must be completely de-activated. To achieve this, |
843 | this code actually disables the transmitter first; then it waits for the | 843 | this code actually disables the transmitter first; then it waits for the |
844 | transmitter to become inactive, then it activates the transmitter and then | 844 | transmitter to become inactive, then it activates the transmitter and then |
845 | it waits for the transmitter to be active again. | 845 | it waits for the transmitter to be active again. |
846 | 846 | ||
@@ -856,7 +856,7 @@ static void activate_transmitter(struct xircom_private *card) | |||
856 | val = inl(card->io_port + CSR6); /* Operation mode */ | 856 | val = inl(card->io_port + CSR6); /* Operation mode */ |
857 | 857 | ||
858 | /* If the "active" bit is set and the receiver is already | 858 | /* If the "active" bit is set and the receiver is already |
859 | active, no need to do the expensive thing */ | 859 | active, no need to do the expensive thing */ |
860 | if ((val&(1<<13)) && (transmit_active(card))) | 860 | if ((val&(1<<13)) && (transmit_active(card))) |
861 | return; | 861 | return; |
862 | 862 | ||
@@ -896,7 +896,7 @@ static void activate_transmitter(struct xircom_private *card) | |||
896 | 896 | ||
897 | /* | 897 | /* |
898 | deactivate_transmitter disables the transmitter on the card. | 898 | deactivate_transmitter disables the transmitter on the card. |
899 | To achieve this this code disables the transmitter first; | 899 | To achieve this this code disables the transmitter first; |
900 | then it waits for the transmitter to become inactive. | 900 | then it waits for the transmitter to become inactive. |
901 | 901 | ||
902 | must be called with the lock held and interrupts disabled. | 902 | must be called with the lock held and interrupts disabled. |
@@ -990,7 +990,7 @@ static void disable_all_interrupts(struct xircom_private *card) | |||
990 | { | 990 | { |
991 | unsigned int val; | 991 | unsigned int val; |
992 | enter("enable_all_interrupts"); | 992 | enter("enable_all_interrupts"); |
993 | 993 | ||
994 | val = 0; /* disable all interrupts */ | 994 | val = 0; /* disable all interrupts */ |
995 | outl(val, card->io_port + CSR7); | 995 | outl(val, card->io_port + CSR7); |
996 | 996 | ||
@@ -1031,8 +1031,8 @@ static int enable_promisc(struct xircom_private *card) | |||
1031 | unsigned int val; | 1031 | unsigned int val; |
1032 | enter("enable_promisc"); | 1032 | enter("enable_promisc"); |
1033 | 1033 | ||
1034 | val = inl(card->io_port + CSR6); | 1034 | val = inl(card->io_port + CSR6); |
1035 | val = val | (1 << 6); | 1035 | val = val | (1 << 6); |
1036 | outl(val, card->io_port + CSR6); | 1036 | outl(val, card->io_port + CSR6); |
1037 | 1037 | ||
1038 | leave("enable_promisc"); | 1038 | leave("enable_promisc"); |
@@ -1042,7 +1042,7 @@ static int enable_promisc(struct xircom_private *card) | |||
1042 | 1042 | ||
1043 | 1043 | ||
1044 | 1044 | ||
1045 | /* | 1045 | /* |
1046 | link_status() checks the the links status and will return 0 for no link, 10 for 10mbit link and 100 for.. guess what. | 1046 | link_status() checks the the links status and will return 0 for no link, 10 for 10mbit link and 100 for.. guess what. |
1047 | 1047 | ||
1048 | Must be called in locked state with interrupts disabled | 1048 | Must be called in locked state with interrupts disabled |
@@ -1051,15 +1051,15 @@ static int link_status(struct xircom_private *card) | |||
1051 | { | 1051 | { |
1052 | unsigned int val; | 1052 | unsigned int val; |
1053 | enter("link_status"); | 1053 | enter("link_status"); |
1054 | 1054 | ||
1055 | val = inb(card->io_port + CSR12); | 1055 | val = inb(card->io_port + CSR12); |
1056 | 1056 | ||
1057 | if (!(val&(1<<2))) /* bit 2 is 0 for 10mbit link, 1 for not an 10mbit link */ | 1057 | if (!(val&(1<<2))) /* bit 2 is 0 for 10mbit link, 1 for not an 10mbit link */ |
1058 | return 10; | 1058 | return 10; |
1059 | if (!(val&(1<<1))) /* bit 1 is 0 for 100mbit link, 1 for not an 100mbit link */ | 1059 | if (!(val&(1<<1))) /* bit 1 is 0 for 100mbit link, 1 for not an 100mbit link */ |
1060 | return 100; | 1060 | return 100; |
1061 | 1061 | ||
1062 | /* If we get here -> no link at all */ | 1062 | /* If we get here -> no link at all */ |
1063 | 1063 | ||
1064 | leave("link_status"); | 1064 | leave("link_status"); |
1065 | return 0; | 1065 | return 0; |
@@ -1071,7 +1071,7 @@ static int link_status(struct xircom_private *card) | |||
1071 | 1071 | ||
1072 | /* | 1072 | /* |
1073 | read_mac_address() reads the MAC address from the NIC and stores it in the "dev" structure. | 1073 | read_mac_address() reads the MAC address from the NIC and stores it in the "dev" structure. |
1074 | 1074 | ||
1075 | This function will take the spinlock itself and can, as a result, not be called with the lock helt. | 1075 | This function will take the spinlock itself and can, as a result, not be called with the lock helt. |
1076 | */ | 1076 | */ |
1077 | static void read_mac_address(struct xircom_private *card) | 1077 | static void read_mac_address(struct xircom_private *card) |
@@ -1081,7 +1081,7 @@ static void read_mac_address(struct xircom_private *card) | |||
1081 | int i; | 1081 | int i; |
1082 | 1082 | ||
1083 | enter("read_mac_address"); | 1083 | enter("read_mac_address"); |
1084 | 1084 | ||
1085 | spin_lock_irqsave(&card->lock, flags); | 1085 | spin_lock_irqsave(&card->lock, flags); |
1086 | 1086 | ||
1087 | outl(1 << 12, card->io_port + CSR9); /* enable boot rom access */ | 1087 | outl(1 << 12, card->io_port + CSR9); /* enable boot rom access */ |
@@ -1095,7 +1095,7 @@ static void read_mac_address(struct xircom_private *card) | |||
1095 | outl(i + 3, card->io_port + CSR10); | 1095 | outl(i + 3, card->io_port + CSR10); |
1096 | data_count = inl(card->io_port + CSR9) & 0xff; | 1096 | data_count = inl(card->io_port + CSR9) & 0xff; |
1097 | if ((tuple == 0x22) && (data_id == 0x04) && (data_count == 0x06)) { | 1097 | if ((tuple == 0x22) && (data_id == 0x04) && (data_count == 0x06)) { |
1098 | /* | 1098 | /* |
1099 | * This is it. We have the data we want. | 1099 | * This is it. We have the data we want. |
1100 | */ | 1100 | */ |
1101 | for (j = 0; j < 6; j++) { | 1101 | for (j = 0; j < 6; j++) { |
@@ -1136,12 +1136,12 @@ static void transceiver_voodoo(struct xircom_private *card) | |||
1136 | spin_lock_irqsave(&card->lock, flags); | 1136 | spin_lock_irqsave(&card->lock, flags); |
1137 | 1137 | ||
1138 | outl(0x0008, card->io_port + CSR15); | 1138 | outl(0x0008, card->io_port + CSR15); |
1139 | udelay(25); | 1139 | udelay(25); |
1140 | outl(0xa8050000, card->io_port + CSR15); | 1140 | outl(0xa8050000, card->io_port + CSR15); |
1141 | udelay(25); | 1141 | udelay(25); |
1142 | outl(0xa00f0000, card->io_port + CSR15); | 1142 | outl(0xa00f0000, card->io_port + CSR15); |
1143 | udelay(25); | 1143 | udelay(25); |
1144 | 1144 | ||
1145 | spin_unlock_irqrestore(&card->lock, flags); | 1145 | spin_unlock_irqrestore(&card->lock, flags); |
1146 | 1146 | ||
1147 | netif_start_queue(card->dev); | 1147 | netif_start_queue(card->dev); |
@@ -1163,15 +1163,15 @@ static void xircom_up(struct xircom_private *card) | |||
1163 | 1163 | ||
1164 | spin_lock_irqsave(&card->lock, flags); | 1164 | spin_lock_irqsave(&card->lock, flags); |
1165 | 1165 | ||
1166 | 1166 | ||
1167 | enable_link_interrupt(card); | 1167 | enable_link_interrupt(card); |
1168 | enable_transmit_interrupt(card); | 1168 | enable_transmit_interrupt(card); |
1169 | enable_receive_interrupt(card); | 1169 | enable_receive_interrupt(card); |
1170 | enable_common_interrupts(card); | 1170 | enable_common_interrupts(card); |
1171 | enable_promisc(card); | 1171 | enable_promisc(card); |
1172 | 1172 | ||
1173 | /* The card can have received packets already, read them away now */ | 1173 | /* The card can have received packets already, read them away now */ |
1174 | for (i=0;i<NUMDESCRIPTORS;i++) | 1174 | for (i=0;i<NUMDESCRIPTORS;i++) |
1175 | investigate_read_descriptor(card->dev,card,i,bufferoffsets[i]); | 1175 | investigate_read_descriptor(card->dev,card,i,bufferoffsets[i]); |
1176 | 1176 | ||
1177 | 1177 | ||
@@ -1185,15 +1185,15 @@ static void xircom_up(struct xircom_private *card) | |||
1185 | /* Bufferoffset is in BYTES */ | 1185 | /* Bufferoffset is in BYTES */ |
1186 | static void investigate_read_descriptor(struct net_device *dev,struct xircom_private *card, int descnr, unsigned int bufferoffset) | 1186 | static void investigate_read_descriptor(struct net_device *dev,struct xircom_private *card, int descnr, unsigned int bufferoffset) |
1187 | { | 1187 | { |
1188 | int status; | 1188 | int status; |
1189 | 1189 | ||
1190 | enter("investigate_read_descriptor"); | 1190 | enter("investigate_read_descriptor"); |
1191 | status = card->rx_buffer[4*descnr]; | 1191 | status = card->rx_buffer[4*descnr]; |
1192 | 1192 | ||
1193 | if ((status > 0)) { /* packet received */ | 1193 | if ((status > 0)) { /* packet received */ |
1194 | 1194 | ||
1195 | /* TODO: discard error packets */ | 1195 | /* TODO: discard error packets */ |
1196 | 1196 | ||
1197 | short pkt_len = ((status >> 16) & 0x7ff) - 4; /* minus 4, we don't want the CRC */ | 1197 | short pkt_len = ((status >> 16) & 0x7ff) - 4; /* minus 4, we don't want the CRC */ |
1198 | struct sk_buff *skb; | 1198 | struct sk_buff *skb; |
1199 | 1199 | ||
@@ -1216,7 +1216,7 @@ static void investigate_read_descriptor(struct net_device *dev,struct xircom_pri | |||
1216 | dev->last_rx = jiffies; | 1216 | dev->last_rx = jiffies; |
1217 | card->stats.rx_packets++; | 1217 | card->stats.rx_packets++; |
1218 | card->stats.rx_bytes += pkt_len; | 1218 | card->stats.rx_bytes += pkt_len; |
1219 | 1219 | ||
1220 | out: | 1220 | out: |
1221 | /* give the buffer back to the card */ | 1221 | /* give the buffer back to the card */ |
1222 | card->rx_buffer[4*descnr] = 0x80000000; | 1222 | card->rx_buffer[4*descnr] = 0x80000000; |
@@ -1234,9 +1234,9 @@ static void investigate_write_descriptor(struct net_device *dev, struct xircom_p | |||
1234 | int status; | 1234 | int status; |
1235 | 1235 | ||
1236 | enter("investigate_write_descriptor"); | 1236 | enter("investigate_write_descriptor"); |
1237 | 1237 | ||
1238 | status = card->tx_buffer[4*descnr]; | 1238 | status = card->tx_buffer[4*descnr]; |
1239 | #if 0 | 1239 | #if 0 |
1240 | if (status & 0x8000) { /* Major error */ | 1240 | if (status & 0x8000) { /* Major error */ |
1241 | printk(KERN_ERR "Major transmit error status %x \n", status); | 1241 | printk(KERN_ERR "Major transmit error status %x \n", status); |
1242 | card->tx_buffer[4*descnr] = 0; | 1242 | card->tx_buffer[4*descnr] = 0; |
@@ -1258,7 +1258,7 @@ static void investigate_write_descriptor(struct net_device *dev, struct xircom_p | |||
1258 | } | 1258 | } |
1259 | 1259 | ||
1260 | leave("investigate_write_descriptor"); | 1260 | leave("investigate_write_descriptor"); |
1261 | 1261 | ||
1262 | } | 1262 | } |
1263 | 1263 | ||
1264 | 1264 | ||
@@ -1271,8 +1271,8 @@ static int __init xircom_init(void) | |||
1271 | static void __exit xircom_exit(void) | 1271 | static void __exit xircom_exit(void) |
1272 | { | 1272 | { |
1273 | pci_unregister_driver(&xircom_ops); | 1273 | pci_unregister_driver(&xircom_ops); |
1274 | } | 1274 | } |
1275 | 1275 | ||
1276 | module_init(xircom_init) | 1276 | module_init(xircom_init) |
1277 | module_exit(xircom_exit) | 1277 | module_exit(xircom_exit) |
1278 | 1278 | ||