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authorJeff Garzik <jeff@garzik.org>2006-09-13 13:24:59 -0400
committerJeff Garzik <jeff@garzik.org>2006-09-13 13:24:59 -0400
commit6aa20a2235535605db6d6d2bd850298b2fe7f31e (patch)
treedf0b855043407b831d57f2f2c271f8aab48444f4 /drivers/net/sun3lance.c
parent7a291083225af6e22ffaa46b3d91cfc1a1ccaab4 (diff)
drivers/net: Trim trailing whitespace
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/sun3lance.c')
-rw-r--r--drivers/net/sun3lance.c72
1 files changed, 36 insertions, 36 deletions
diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c
index 0d76e221476..61a832ce7cc 100644
--- a/drivers/net/sun3lance.c
+++ b/drivers/net/sun3lance.c
@@ -1,24 +1,24 @@
1/* sun3lance.c: Ethernet driver for SUN3 Lance chip */ 1/* sun3lance.c: Ethernet driver for SUN3 Lance chip */
2/* 2/*
3 3
4 Sun3 Lance ethernet driver, by Sam Creasey (sammy@users.qual.net). 4 Sun3 Lance ethernet driver, by Sam Creasey (sammy@users.qual.net).
5 This driver is a part of the linux kernel, and is thus distributed 5 This driver is a part of the linux kernel, and is thus distributed
6 under the GNU General Public License. 6 under the GNU General Public License.
7 7
8 The values used in LANCE_OBIO and LANCE_IRQ seem to be empirically 8 The values used in LANCE_OBIO and LANCE_IRQ seem to be empirically
9 true for the correct IRQ and address of the lance registers. They 9 true for the correct IRQ and address of the lance registers. They
10 have not been widely tested, however. What we probably need is a 10 have not been widely tested, however. What we probably need is a
11 "proper" way to search for a device in the sun3's prom, but, alas, 11 "proper" way to search for a device in the sun3's prom, but, alas,
12 linux has no such thing. 12 linux has no such thing.
13 13
14 This driver is largely based on atarilance.c, by Roman Hodek. Other 14 This driver is largely based on atarilance.c, by Roman Hodek. Other
15 sources of inspiration were the NetBSD sun3 am7990 driver, and the 15 sources of inspiration were the NetBSD sun3 am7990 driver, and the
16 linux sparc lance driver (sunlance.c). 16 linux sparc lance driver (sunlance.c).
17 17
18 There are more assumptions made throughout this driver, it almost 18 There are more assumptions made throughout this driver, it almost
19 certainly still needs work, but it does work at least for RARP/BOOTP and 19 certainly still needs work, but it does work at least for RARP/BOOTP and
20 mounting the root NFS filesystem. 20 mounting the root NFS filesystem.
21 21
22*/ 22*/
23 23
24static char *version = "sun3lance.c: v1.2 1/12/2001 Sam Creasey (sammy@sammy.net)\n"; 24static char *version = "sun3lance.c: v1.2 1/12/2001 Sam Creasey (sammy@sammy.net)\n";
@@ -294,9 +294,9 @@ out:
294} 294}
295 295
296static int __init lance_probe( struct net_device *dev) 296static int __init lance_probe( struct net_device *dev)
297{ 297{
298 unsigned long ioaddr; 298 unsigned long ioaddr;
299 299
300 struct lance_private *lp; 300 struct lance_private *lp;
301 int i; 301 int i;
302 static int did_version; 302 static int did_version;
@@ -313,7 +313,7 @@ static int __init lance_probe( struct net_device *dev)
313 313
314 /* test to see if there's really a lance here */ 314 /* test to see if there's really a lance here */
315 /* (CSRO_INIT shouldn't be readable) */ 315 /* (CSRO_INIT shouldn't be readable) */
316 316
317 ioaddr_probe = (volatile unsigned short *)ioaddr; 317 ioaddr_probe = (volatile unsigned short *)ioaddr;
318 tmp1 = ioaddr_probe[0]; 318 tmp1 = ioaddr_probe[0];
319 tmp2 = ioaddr_probe[1]; 319 tmp2 = ioaddr_probe[1];
@@ -339,7 +339,7 @@ static int __init lance_probe( struct net_device *dev)
339 lp->iobase = (volatile unsigned short *)ioaddr; 339 lp->iobase = (volatile unsigned short *)ioaddr;
340 dev->base_addr = (unsigned long)ioaddr; /* informational only */ 340 dev->base_addr = (unsigned long)ioaddr; /* informational only */
341 341
342 REGA(CSR0) = CSR0_STOP; 342 REGA(CSR0) = CSR0_STOP;
343 343
344 request_irq(LANCE_IRQ, lance_interrupt, IRQF_DISABLED, "SUN3 Lance", dev); 344 request_irq(LANCE_IRQ, lance_interrupt, IRQF_DISABLED, "SUN3 Lance", dev);
345 dev->irq = (unsigned short)LANCE_IRQ; 345 dev->irq = (unsigned short)LANCE_IRQ;
@@ -378,7 +378,7 @@ static int __init lance_probe( struct net_device *dev)
378 378
379 DPRINTK(2, ("initaddr: %08lx rx_ring: %08lx tx_ring: %08lx\n", 379 DPRINTK(2, ("initaddr: %08lx rx_ring: %08lx tx_ring: %08lx\n",
380 dvma_vtob(&(MEM->init)), dvma_vtob(MEM->rx_head), 380 dvma_vtob(&(MEM->init)), dvma_vtob(MEM->rx_head),
381 (dvma_vtob(MEM->tx_head)))); 381 (dvma_vtob(MEM->tx_head))));
382 382
383 if (did_version++ == 0) 383 if (did_version++ == 0)
384 printk( version ); 384 printk( version );
@@ -427,7 +427,7 @@ static int lance_open( struct net_device *dev )
427 DREG = CSR0_IDON | CSR0_STRT | CSR0_INEA; 427 DREG = CSR0_IDON | CSR0_STRT | CSR0_INEA;
428 428
429 netif_start_queue(dev); 429 netif_start_queue(dev);
430 430
431 DPRINTK( 2, ( "%s: LANCE is open, csr0 %04x\n", dev->name, DREG )); 431 DPRINTK( 2, ( "%s: LANCE is open, csr0 %04x\n", dev->name, DREG ));
432 432
433 return( 0 ); 433 return( 0 );
@@ -449,7 +449,7 @@ static void lance_init_ring( struct net_device *dev )
449 for( i = 0; i < TX_RING_SIZE; i++ ) { 449 for( i = 0; i < TX_RING_SIZE; i++ ) {
450 MEM->tx_head[i].base = dvma_vtob(MEM->tx_data[i]); 450 MEM->tx_head[i].base = dvma_vtob(MEM->tx_data[i]);
451 MEM->tx_head[i].flag = 0; 451 MEM->tx_head[i].flag = 0;
452 MEM->tx_head[i].base_hi = 452 MEM->tx_head[i].base_hi =
453 (dvma_vtob(MEM->tx_data[i])) >>16; 453 (dvma_vtob(MEM->tx_data[i])) >>16;
454 MEM->tx_head[i].length = 0; 454 MEM->tx_head[i].length = 0;
455 MEM->tx_head[i].misc = 0; 455 MEM->tx_head[i].misc = 0;
@@ -458,7 +458,7 @@ static void lance_init_ring( struct net_device *dev )
458 for( i = 0; i < RX_RING_SIZE; i++ ) { 458 for( i = 0; i < RX_RING_SIZE; i++ ) {
459 MEM->rx_head[i].base = dvma_vtob(MEM->rx_data[i]); 459 MEM->rx_head[i].base = dvma_vtob(MEM->rx_data[i]);
460 MEM->rx_head[i].flag = RMD1_OWN_CHIP; 460 MEM->rx_head[i].flag = RMD1_OWN_CHIP;
461 MEM->rx_head[i].base_hi = 461 MEM->rx_head[i].base_hi =
462 (dvma_vtob(MEM->rx_data[i])) >> 16; 462 (dvma_vtob(MEM->rx_data[i])) >> 16;
463 MEM->rx_head[i].buf_length = -PKT_BUF_SZ | 0xf000; 463 MEM->rx_head[i].buf_length = -PKT_BUF_SZ | 0xf000;
464 MEM->rx_head[i].msg_length = 0; 464 MEM->rx_head[i].msg_length = 0;
@@ -542,22 +542,22 @@ static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev )
542 542
543 lance_init_ring(dev); 543 lance_init_ring(dev);
544 REGA( CSR0 ) = CSR0_INEA | CSR0_INIT | CSR0_STRT; 544 REGA( CSR0 ) = CSR0_INEA | CSR0_INIT | CSR0_STRT;
545 545
546 netif_start_queue(dev); 546 netif_start_queue(dev);
547 dev->trans_start = jiffies; 547 dev->trans_start = jiffies;
548 548
549 return 0; 549 return 0;
550 } 550 }
551 551
552 552
553 /* Block a timer-based transmit from overlapping. This could better be 553 /* Block a timer-based transmit from overlapping. This could better be
554 done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */ 554 done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */
555 555
556 /* Block a timer-based transmit from overlapping with us by 556 /* Block a timer-based transmit from overlapping with us by
557 stopping the queue for a bit... */ 557 stopping the queue for a bit... */
558 558
559 netif_stop_queue(dev); 559 netif_stop_queue(dev);
560 560
561 if (test_and_set_bit( 0, (void*)&lp->lock ) != 0) { 561 if (test_and_set_bit( 0, (void*)&lp->lock ) != 0) {
562 printk( "%s: tx queue lock!.\n", dev->name); 562 printk( "%s: tx queue lock!.\n", dev->name);
563 /* don't clear dev->tbusy flag. */ 563 /* don't clear dev->tbusy flag. */
@@ -593,7 +593,7 @@ static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev )
593 printk(" data at 0x%08x len %d\n", (int)skb->data, 593 printk(" data at 0x%08x len %d\n", (int)skb->data,
594 (int)skb->len ); 594 (int)skb->len );
595 } 595 }
596#endif 596#endif
597 /* We're not prepared for the int until the last flags are set/reset. 597 /* We're not prepared for the int until the last flags are set/reset.
598 * And the int may happen already after setting the OWN_CHIP... */ 598 * And the int may happen already after setting the OWN_CHIP... */
599 local_irq_save(flags); 599 local_irq_save(flags);
@@ -632,7 +632,7 @@ static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev )
632 632
633 lp->lock = 0; 633 lp->lock = 0;
634 if ((MEM->tx_head[(entry+1) & TX_RING_MOD_MASK].flag & TMD1_OWN) == 634 if ((MEM->tx_head[(entry+1) & TX_RING_MOD_MASK].flag & TMD1_OWN) ==
635 TMD1_OWN_HOST) 635 TMD1_OWN_HOST)
636 netif_start_queue(dev); 636 netif_start_queue(dev);
637 637
638 local_irq_restore(flags); 638 local_irq_restore(flags);
@@ -657,10 +657,10 @@ static irqreturn_t lance_interrupt( int irq, void *dev_id, struct pt_regs *fp)
657 if (in_interrupt) 657 if (in_interrupt)
658 DPRINTK( 2, ( "%s: Re-entering the interrupt handler.\n", dev->name )); 658 DPRINTK( 2, ( "%s: Re-entering the interrupt handler.\n", dev->name ));
659 in_interrupt = 1; 659 in_interrupt = 1;
660 660
661 still_more: 661 still_more:
662 flush_cache_all(); 662 flush_cache_all();
663 663
664 AREG = CSR0; 664 AREG = CSR0;
665 csr0 = DREG; 665 csr0 = DREG;
666 666
@@ -680,22 +680,22 @@ static irqreturn_t lance_interrupt( int irq, void *dev_id, struct pt_regs *fp)
680 680
681// if(lance_debug >= 3) { 681// if(lance_debug >= 3) {
682// int i; 682// int i;
683// 683//
684// printk("%s: tx int\n", dev->name); 684// printk("%s: tx int\n", dev->name);
685// 685//
686// for(i = 0; i < TX_RING_SIZE; i++) 686// for(i = 0; i < TX_RING_SIZE; i++)
687// printk("ring %d flag=%04x\n", i, 687// printk("ring %d flag=%04x\n", i,
688// MEM->tx_head[i].flag); 688// MEM->tx_head[i].flag);
689// } 689// }
690 690
691 while( old_tx != lp->new_tx) { 691 while( old_tx != lp->new_tx) {
692 struct lance_tx_head *head = &(MEM->tx_head[old_tx]); 692 struct lance_tx_head *head = &(MEM->tx_head[old_tx]);
693 693
694 DPRINTK(3, ("on tx_ring %d\n", old_tx)); 694 DPRINTK(3, ("on tx_ring %d\n", old_tx));
695 695
696 if (head->flag & TMD1_OWN_CHIP) 696 if (head->flag & TMD1_OWN_CHIP)
697 break; /* It still hasn't been Txed */ 697 break; /* It still hasn't been Txed */
698 698
699 if (head->flag & TMD1_ERR) { 699 if (head->flag & TMD1_ERR) {
700 int status = head->misc; 700 int status = head->misc;
701 lp->stats.tx_errors++; 701 lp->stats.tx_errors++;
@@ -705,7 +705,7 @@ static irqreturn_t lance_interrupt( int irq, void *dev_id, struct pt_regs *fp)
705 if (status & (TMD3_UFLO | TMD3_BUFF)) { 705 if (status & (TMD3_UFLO | TMD3_BUFF)) {
706 lp->stats.tx_fifo_errors++; 706 lp->stats.tx_fifo_errors++;
707 printk("%s: Tx FIFO error\n", 707 printk("%s: Tx FIFO error\n",
708 dev->name); 708 dev->name);
709 REGA(CSR0) = CSR0_STOP; 709 REGA(CSR0) = CSR0_STOP;
710 REGA(CSR3) = CSR3_BSWP; 710 REGA(CSR3) = CSR3_BSWP;
711 lance_init_ring(dev); 711 lance_init_ring(dev);
@@ -713,11 +713,11 @@ static irqreturn_t lance_interrupt( int irq, void *dev_id, struct pt_regs *fp)
713 return IRQ_HANDLED; 713 return IRQ_HANDLED;
714 } 714 }
715 } else if(head->flag & (TMD1_ENP | TMD1_STP)) { 715 } else if(head->flag & (TMD1_ENP | TMD1_STP)) {
716 716
717 head->flag &= ~(TMD1_ENP | TMD1_STP); 717 head->flag &= ~(TMD1_ENP | TMD1_STP);
718 if(head->flag & (TMD1_ONE | TMD1_MORE)) 718 if(head->flag & (TMD1_ONE | TMD1_MORE))
719 lp->stats.collisions++; 719 lp->stats.collisions++;
720 720
721 lp->stats.tx_packets++; 721 lp->stats.tx_packets++;
722 DPRINTK(3, ("cleared tx ring %d\n", old_tx)); 722 DPRINTK(3, ("cleared tx ring %d\n", old_tx));
723 } 723 }
@@ -736,7 +736,7 @@ static irqreturn_t lance_interrupt( int irq, void *dev_id, struct pt_regs *fp)
736 736
737 if (csr0 & CSR0_RINT) /* Rx interrupt */ 737 if (csr0 & CSR0_RINT) /* Rx interrupt */
738 lance_rx( dev ); 738 lance_rx( dev );
739 739
740 /* Log misc errors. */ 740 /* Log misc errors. */
741 if (csr0 & CSR0_BABL) lp->stats.tx_errors++; /* Tx babble. */ 741 if (csr0 & CSR0_BABL) lp->stats.tx_errors++; /* Tx babble. */
742 if (csr0 & CSR0_MISS) lp->stats.rx_errors++; /* Missed a Rx frame. */ 742 if (csr0 & CSR0_MISS) lp->stats.rx_errors++; /* Missed a Rx frame. */
@@ -778,10 +778,10 @@ static int lance_rx( struct net_device *dev )
778 while( (MEM->rx_head[entry].flag & RMD1_OWN) == RMD1_OWN_HOST ) { 778 while( (MEM->rx_head[entry].flag & RMD1_OWN) == RMD1_OWN_HOST ) {
779 struct lance_rx_head *head = &(MEM->rx_head[entry]); 779 struct lance_rx_head *head = &(MEM->rx_head[entry]);
780 int status = head->flag; 780 int status = head->flag;
781 781
782 if (status != (RMD1_ENP|RMD1_STP)) { /* There was an error. */ 782 if (status != (RMD1_ENP|RMD1_STP)) { /* There was an error. */
783 /* There is a tricky error noted by John Murphy, 783 /* There is a tricky error noted by John Murphy,
784 <murf@perftech.com> to Russ Nelson: Even with 784 <murf@perftech.com> to Russ Nelson: Even with
785 full-sized buffers it's possible for a jabber packet to use two 785 full-sized buffers it's possible for a jabber packet to use two
786 buffers, with only the last correctly noting the error. */ 786 buffers, with only the last correctly noting the error. */
787 if (status & RMD1_ENP) /* Only count a general error at the */ 787 if (status & RMD1_ENP) /* Only count a general error at the */
@@ -806,7 +806,7 @@ static int lance_rx( struct net_device *dev )
806 if (skb == NULL) { 806 if (skb == NULL) {
807 DPRINTK( 1, ( "%s: Memory squeeze, deferring packet.\n", 807 DPRINTK( 1, ( "%s: Memory squeeze, deferring packet.\n",
808 dev->name )); 808 dev->name ));
809 809
810 lp->stats.rx_dropped++; 810 lp->stats.rx_dropped++;
811 head->msg_length = 0; 811 head->msg_length = 0;
812 head->flag |= RMD1_OWN_CHIP; 812 head->flag |= RMD1_OWN_CHIP;
@@ -833,7 +833,7 @@ static int lance_rx( struct net_device *dev )
833 if (lance_debug >= 3) { 833 if (lance_debug >= 3) {
834 u_char *data = PKTBUF_ADDR(head); 834 u_char *data = PKTBUF_ADDR(head);
835 printk( "%s: RX pkt %d type 0x%04x len %d\n ", dev->name, entry, ((u_short *)data)[6], pkt_len); 835 printk( "%s: RX pkt %d type 0x%04x len %d\n ", dev->name, entry, ((u_short *)data)[6], pkt_len);
836 } 836 }
837 837
838 838
839 skb->dev = dev; 839 skb->dev = dev;