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74#define HP100_DEFAULT_PRIORITY_TX 0
75
76#undef HP100_DEBUG
77#undef HP100_DEBUG_B
78#undef HP100_DEBUG_BM
79
80#undef HP100_DEBUG_TRAINING
81#undef HP100_DEBUG_TX
82#undef HP100_DEBUG_IRQ
83#undef HP100_DEBUG_RX
84
85#undef HP100_MULTICAST_FILTER
86
87#include <linux/module.h>
88#include <linux/kernel.h>
89#include <linux/sched.h>
90#include <linux/string.h>
91#include <linux/errno.h>
92#include <linux/ioport.h>
93#include <linux/interrupt.h>
94#include <linux/eisa.h>
95#include <linux/pci.h>
96#include <linux/dma-mapping.h>
97#include <linux/spinlock.h>
98#include <linux/netdevice.h>
99#include <linux/etherdevice.h>
100#include <linux/skbuff.h>
101#include <linux/types.h>
102#include <linux/delay.h>
103#include <linux/init.h>
104#include <linux/bitops.h>
105#include <linux/jiffies.h>
106
107#include <asm/io.h>
108
109#include "hp100.h"
110
111
112
113
114
115#define HP100_BUS_ISA 0
116#define HP100_BUS_EISA 1
117#define HP100_BUS_PCI 2
118
119#define HP100_REGION_SIZE 0x20
120#define HP100_SIG_LEN 8
121
122#define HP100_MAX_PACKET_SIZE (1536+4)
123#define HP100_MIN_PACKET_SIZE 60
124
125#ifndef HP100_DEFAULT_RX_RATIO
126
127#define HP100_DEFAULT_RX_RATIO 75
128#endif
129
130#ifndef HP100_DEFAULT_PRIORITY_TX
131
132#define HP100_DEFAULT_PRIORITY_TX 0
133#endif
134
135
136
137
138
139struct hp100_private {
140 spinlock_t lock;
141 char id[HP100_SIG_LEN];
142 u_short chip;
143 u_short soft_model;
144 u_int memory_size;
145 u_int virt_memory_size;
146 u_short rx_ratio;
147 u_short priority_tx;
148 u_short mode;
149 u_char bus;
150 struct pci_dev *pci_dev;
151 short mem_mapped;
152 void __iomem *mem_ptr_virt;
153 unsigned long mem_ptr_phys;
154 short lan_type;
155 int hub_status;
156 u_char mac1_mode;
157 u_char mac2_mode;
158 u_char hash_bytes[8];
159
160
161 hp100_ring_t *rxrhead;
162 hp100_ring_t *rxrtail;
163 hp100_ring_t *txrhead;
164 hp100_ring_t *txrtail;
165
166 hp100_ring_t rxring[MAX_RX_PDL];
167 hp100_ring_t txring[MAX_TX_PDL];
168
169 u_int *page_vaddr_algn;
170 u_long whatever_offset;
171 int rxrcommit;
172 int txrcommit;
173};
174
175
176
177
178#ifdef CONFIG_ISA
179static const char *hp100_isa_tbl[] = {
180 "HWPF150",
181 "HWP1950",
182};
183#endif
184
185static const struct eisa_device_id hp100_eisa_tbl[] = {
186 { "HWPF180" },
187 { "HWP1920" },
188 { "HWP1940" },
189 { "HWP1990" },
190 { "CPX0301" },
191 { "CPX0401" },
192 { "" }
193};
194MODULE_DEVICE_TABLE(eisa, hp100_eisa_tbl);
195
196static const struct pci_device_id hp100_pci_tbl[] = {
197 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2585A, PCI_ANY_ID, PCI_ANY_ID,},
198 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2585B, PCI_ANY_ID, PCI_ANY_ID,},
199 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2970A, PCI_ANY_ID, PCI_ANY_ID,},
200 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_J2973A, PCI_ANY_ID, PCI_ANY_ID,},
201 {PCI_VENDOR_ID_COMPEX, PCI_DEVICE_ID_COMPEX_ENET100VG4, PCI_ANY_ID, PCI_ANY_ID,},
202 {PCI_VENDOR_ID_COMPEX2, PCI_DEVICE_ID_COMPEX2_100VG, PCI_ANY_ID, PCI_ANY_ID,},
203
204 {}
205};
206MODULE_DEVICE_TABLE(pci, hp100_pci_tbl);
207
208static int hp100_rx_ratio = HP100_DEFAULT_RX_RATIO;
209static int hp100_priority_tx = HP100_DEFAULT_PRIORITY_TX;
210static int hp100_mode = 1;
211
212module_param(hp100_rx_ratio, int, 0);
213module_param(hp100_priority_tx, int, 0);
214module_param(hp100_mode, int, 0);
215
216
217
218
219
220static int hp100_probe1(struct net_device *dev, int ioaddr, u_char bus,
221 struct pci_dev *pci_dev);
222
223
224static int hp100_open(struct net_device *dev);
225static int hp100_close(struct net_device *dev);
226static netdev_tx_t hp100_start_xmit(struct sk_buff *skb,
227 struct net_device *dev);
228static netdev_tx_t hp100_start_xmit_bm(struct sk_buff *skb,
229 struct net_device *dev);
230static void hp100_rx(struct net_device *dev);
231static struct net_device_stats *hp100_get_stats(struct net_device *dev);
232static void hp100_misc_interrupt(struct net_device *dev);
233static void hp100_update_stats(struct net_device *dev);
234static void hp100_clear_stats(struct hp100_private *lp, int ioaddr);
235static void hp100_set_multicast_list(struct net_device *dev);
236static irqreturn_t hp100_interrupt(int irq, void *dev_id);
237static void hp100_start_interface(struct net_device *dev);
238static void hp100_stop_interface(struct net_device *dev);
239static void hp100_load_eeprom(struct net_device *dev, u_short ioaddr);
240static int hp100_sense_lan(struct net_device *dev);
241static int hp100_login_to_vg_hub(struct net_device *dev,
242 u_short force_relogin);
243static int hp100_down_vg_link(struct net_device *dev);
244static void hp100_cascade_reset(struct net_device *dev, u_short enable);
245static void hp100_BM_shutdown(struct net_device *dev);
246static void hp100_mmuinit(struct net_device *dev);
247static void hp100_init_pdls(struct net_device *dev);
248static int hp100_init_rxpdl(struct net_device *dev,
249 register hp100_ring_t * ringptr,
250 register u_int * pdlptr);
251static int hp100_init_txpdl(struct net_device *dev,
252 register hp100_ring_t * ringptr,
253 register u_int * pdlptr);
254static void hp100_rxfill(struct net_device *dev);
255static void hp100_hwinit(struct net_device *dev);
256static void hp100_clean_txring(struct net_device *dev);
257#ifdef HP100_DEBUG
258static void hp100_RegisterDump(struct net_device *dev);
259#endif
260
261
262
263
264
265
266
267static inline dma_addr_t virt_to_whatever(struct net_device *dev, u32 * ptr)
268{
269 struct hp100_private *lp = netdev_priv(dev);
270 return ((u_long) ptr) + lp->whatever_offset;
271}
272
273static inline u_int pdl_map_data(struct hp100_private *lp, void *data)
274{
275 return pci_map_single(lp->pci_dev, data,
276 MAX_ETHER_SIZE, PCI_DMA_FROMDEVICE);
277}
278
279
280static void wait(void)
281{
282 mdelay(1);
283}
284
285
286
287
288
289
290
291
292
293
294
295static const char *hp100_read_id(int ioaddr)
296{
297 int i;
298 static char str[HP100_SIG_LEN];
299 unsigned char sig[4], sum;
300 unsigned short rev;
301
302 hp100_page(ID_MAC_ADDR);
303 sum = 0;
304 for (i = 0; i < 4; i++) {
305 sig[i] = hp100_inb(BOARD_ID + i);
306 sum += sig[i];
307 }
308
309 sum += hp100_inb(BOARD_ID + i);
310 if (sum != 0xff)
311 return NULL;
312
313 str[0] = ((sig[0] >> 2) & 0x1f) + ('A' - 1);
314 str[1] = (((sig[0] & 3) << 3) | (sig[1] >> 5)) + ('A' - 1);
315 str[2] = (sig[1] & 0x1f) + ('A' - 1);
316 rev = (sig[2] << 8) | sig[3];
317 sprintf(str + 3, "%04X", rev);
318
319 return str;
320}
321
322#ifdef CONFIG_ISA
323static __init int hp100_isa_probe1(struct net_device *dev, int ioaddr)
324{
325 const char *sig;
326 int i;
327
328 if (!request_region(ioaddr, HP100_REGION_SIZE, "hp100"))
329 goto err;
330
331 if (hp100_inw(HW_ID) != HP100_HW_ID_CASCADE) {
332 release_region(ioaddr, HP100_REGION_SIZE);
333 goto err;
334 }
335
336 sig = hp100_read_id(ioaddr);
337 release_region(ioaddr, HP100_REGION_SIZE);
338
339 if (sig == NULL)
340 goto err;
341
342 i = match_string(hp100_isa_tbl, ARRAY_SIZE(hp100_isa_tbl), sig);
343 if (i < 0)
344 goto err;
345
346 return hp100_probe1(dev, ioaddr, HP100_BUS_ISA, NULL);
347 err:
348 return -ENODEV;
349
350}
351
352
353
354
355
356static int __init hp100_isa_probe(struct net_device *dev, int addr)
357{
358 int err = -ENODEV;
359
360
361 if (addr > 0xff && addr < 0x400)
362 err = hp100_isa_probe1(dev, addr);
363
364 else if (addr != 0)
365 err = -ENXIO;
366
367 else {
368
369 for (addr = 0x100; addr < 0x400; addr += 0x20) {
370 err = hp100_isa_probe1(dev, addr);
371 if (!err)
372 break;
373 }
374 }
375 return err;
376}
377#endif
378
379#if !defined(MODULE) && defined(CONFIG_ISA)
380struct net_device * __init hp100_probe(int unit)
381{
382 struct net_device *dev = alloc_etherdev(sizeof(struct hp100_private));
383 int err;
384
385 if (!dev)
386 return ERR_PTR(-ENODEV);
387
388#ifdef HP100_DEBUG_B
389 hp100_outw(0x4200, TRACE);
390 printk("hp100: %s: probe\n", dev->name);
391#endif
392
393 if (unit >= 0) {
394 sprintf(dev->name, "eth%d", unit);
395 netdev_boot_setup_check(dev);
396 }
397
398 err = hp100_isa_probe(dev, dev->base_addr);
399 if (err)
400 goto out;
401
402 return dev;
403 out:
404 free_netdev(dev);
405 return ERR_PTR(err);
406}
407#endif
408
409static const struct net_device_ops hp100_bm_netdev_ops = {
410 .ndo_open = hp100_open,
411 .ndo_stop = hp100_close,
412 .ndo_start_xmit = hp100_start_xmit_bm,
413 .ndo_get_stats = hp100_get_stats,
414 .ndo_set_rx_mode = hp100_set_multicast_list,
415 .ndo_set_mac_address = eth_mac_addr,
416 .ndo_validate_addr = eth_validate_addr,
417};
418
419static const struct net_device_ops hp100_netdev_ops = {
420 .ndo_open = hp100_open,
421 .ndo_stop = hp100_close,
422 .ndo_start_xmit = hp100_start_xmit,
423 .ndo_get_stats = hp100_get_stats,
424 .ndo_set_rx_mode = hp100_set_multicast_list,
425 .ndo_set_mac_address = eth_mac_addr,
426 .ndo_validate_addr = eth_validate_addr,
427};
428
429static int hp100_probe1(struct net_device *dev, int ioaddr, u_char bus,
430 struct pci_dev *pci_dev)
431{
432 int i;
433 int err = -ENODEV;
434 const char *eid;
435 u_int chip;
436 u_char uc;
437 u_int memory_size = 0, virt_memory_size = 0;
438 u_short local_mode, lsw;
439 short mem_mapped;
440 unsigned long mem_ptr_phys;
441 void __iomem *mem_ptr_virt;
442 struct hp100_private *lp;
443
444#ifdef HP100_DEBUG_B
445 hp100_outw(0x4201, TRACE);
446 printk("hp100: %s: probe1\n", dev->name);
447#endif
448
449
450 if (!request_region(ioaddr, HP100_REGION_SIZE, "hp100"))
451 goto out1;
452
453 if (hp100_inw(HW_ID) != HP100_HW_ID_CASCADE)
454 goto out2;
455
456 chip = hp100_inw(PAGING) & HP100_CHIPID_MASK;
457#ifdef HP100_DEBUG
458 if (chip == HP100_CHIPID_SHASTA)
459 printk("hp100: %s: Shasta Chip detected. (This is a pre 802.12 chip)\n", dev->name);
460 else if (chip == HP100_CHIPID_RAINIER)
461 printk("hp100: %s: Rainier Chip detected. (This is a pre 802.12 chip)\n", dev->name);
462 else if (chip == HP100_CHIPID_LASSEN)
463 printk("hp100: %s: Lassen Chip detected.\n", dev->name);
464 else
465 printk("hp100: %s: Warning: Unknown CASCADE chip (id=0x%.4x).\n", dev->name, chip);
466#endif
467
468 dev->base_addr = ioaddr;
469
470 eid = hp100_read_id(ioaddr);
471 if (eid == NULL) {
472 printk(KERN_WARNING "%s: bad ID checksum at base port 0x%x\n",
473 __func__, ioaddr);
474 goto out2;
475 }
476
477 hp100_page(ID_MAC_ADDR);
478 for (i = uc = 0; i < 7; i++)
479 uc += hp100_inb(LAN_ADDR + i);
480 if (uc != 0xff) {
481 printk(KERN_WARNING
482 "%s: bad lan address checksum at port 0x%x)\n",
483 __func__, ioaddr);
484 err = -EIO;
485 goto out2;
486 }
487
488
489
490 hp100_load_eeprom(dev, ioaddr);
491 wait();
492
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513
514#if 0
515 local_mode = 0x2270;
516 hp100_outw(0xfefe, OPTION_LSW);
517 hp100_outw(local_mode | HP100_SET_LB | HP100_SET_HB, OPTION_LSW);
518#endif
519
520
521 local_mode = hp100_mode;
522 if (local_mode < 1 || local_mode > 4)
523 local_mode = 1;
524#ifdef HP100_DEBUG
525 printk("hp100: %s: original LSW = 0x%x\n", dev->name,
526 hp100_inw(OPTION_LSW));
527#endif
528
529 if (local_mode == 3) {
530 hp100_outw(HP100_MEM_EN | HP100_RESET_LB, OPTION_LSW);
531 hp100_outw(HP100_IO_EN | HP100_SET_LB, OPTION_LSW);
532 hp100_outw(HP100_BM_WRITE | HP100_BM_READ | HP100_RESET_HB, OPTION_LSW);
533 printk("hp100: IO mapped mode forced.\n");
534 } else if (local_mode == 2) {
535 hp100_outw(HP100_MEM_EN | HP100_SET_LB, OPTION_LSW);
536 hp100_outw(HP100_IO_EN | HP100_SET_LB, OPTION_LSW);
537 hp100_outw(HP100_BM_WRITE | HP100_BM_READ | HP100_RESET_HB, OPTION_LSW);
538 printk("hp100: Shared memory mode requested.\n");
539 } else if (local_mode == 4) {
540 if (chip == HP100_CHIPID_LASSEN) {
541 hp100_outw(HP100_BM_WRITE | HP100_BM_READ | HP100_SET_HB, OPTION_LSW);
542 hp100_outw(HP100_IO_EN | HP100_MEM_EN | HP100_RESET_LB, OPTION_LSW);
543 printk("hp100: Busmaster mode requested.\n");
544 }
545 local_mode = 1;
546 }
547
548 if (local_mode == 1) {
549 lsw = hp100_inw(OPTION_LSW);
550
551 if ((lsw & HP100_IO_EN) && (~lsw & HP100_MEM_EN) &&
552 (~lsw & (HP100_BM_WRITE | HP100_BM_READ))) {
553#ifdef HP100_DEBUG
554 printk("hp100: %s: IO_EN bit is set on card.\n", dev->name);
555#endif
556 local_mode = 3;
557 } else if (chip == HP100_CHIPID_LASSEN &&
558 (lsw & (HP100_BM_WRITE | HP100_BM_READ)) == (HP100_BM_WRITE | HP100_BM_READ)) {
559
560
561
562
563
564 if((bus == HP100_BUS_PCI) &&
565 (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)))) {
566
567 goto busmasterfail;
568 }
569 printk("hp100: Busmaster mode enabled.\n");
570 hp100_outw(HP100_MEM_EN | HP100_IO_EN | HP100_RESET_LB, OPTION_LSW);
571 } else {
572 busmasterfail:
573#ifdef HP100_DEBUG
574 printk("hp100: %s: Card not configured for BM or BM not supported with this card.\n", dev->name);
575 printk("hp100: %s: Trying shared memory mode.\n", dev->name);
576#endif
577
578 local_mode = 2;
579 hp100_outw(HP100_MEM_EN | HP100_SET_LB, OPTION_LSW);
580
581 }
582 }
583#ifdef HP100_DEBUG
584 printk("hp100: %s: new LSW = 0x%x\n", dev->name, hp100_inw(OPTION_LSW));
585#endif
586
587
588 hp100_page(HW_MAP);
589 mem_mapped = ((hp100_inw(OPTION_LSW) & (HP100_MEM_EN)) != 0);
590 mem_ptr_phys = 0UL;
591 mem_ptr_virt = NULL;
592 memory_size = (8192 << ((hp100_inb(SRAM) >> 5) & 0x07));
593 virt_memory_size = 0;
594
595
596 if (mem_mapped || (local_mode == 1)) {
597 mem_ptr_phys = (hp100_inw(MEM_MAP_LSW) | (hp100_inw(MEM_MAP_MSW) << 16));
598 mem_ptr_phys &= ~0x1fff;
599
600 if (bus == HP100_BUS_ISA && (mem_ptr_phys & ~0xfffff) != 0) {
601 printk("hp100: Can only use programmed i/o mode.\n");
602 mem_ptr_phys = 0;
603 mem_mapped = 0;
604 local_mode = 3;
605 }
606
607
608
609 if (local_mode != 1) {
610
611 for (virt_memory_size = memory_size; virt_memory_size > 16383; virt_memory_size >>= 1) {
612 if ((mem_ptr_virt = ioremap((u_long) mem_ptr_phys, virt_memory_size)) == NULL) {
613#ifdef HP100_DEBUG
614 printk("hp100: %s: ioremap for 0x%x bytes high PCI memory at 0x%lx failed\n", dev->name, virt_memory_size, mem_ptr_phys);
615#endif
616 } else {
617#ifdef HP100_DEBUG
618 printk("hp100: %s: remapped 0x%x bytes high PCI memory at 0x%lx to %p.\n", dev->name, virt_memory_size, mem_ptr_phys, mem_ptr_virt);
619#endif
620 break;
621 }
622 }
623
624 if (mem_ptr_virt == NULL) {
625 printk("hp100: Failed to ioremap the PCI card memory. Will have to use i/o mapped mode.\n");
626 local_mode = 3;
627 virt_memory_size = 0;
628 }
629 }
630 }
631
632 if (local_mode == 3) {
633 mem_mapped = 0;
634 mem_ptr_phys = 0;
635 mem_ptr_virt = NULL;
636 printk("hp100: Using (slow) programmed i/o mode.\n");
637 }
638
639
640 lp = netdev_priv(dev);
641
642 spin_lock_init(&lp->lock);
643 strlcpy(lp->id, eid, HP100_SIG_LEN);
644 lp->chip = chip;
645 lp->mode = local_mode;
646 lp->bus = bus;
647 lp->pci_dev = pci_dev;
648 lp->priority_tx = hp100_priority_tx;
649 lp->rx_ratio = hp100_rx_ratio;
650 lp->mem_ptr_phys = mem_ptr_phys;
651 lp->mem_ptr_virt = mem_ptr_virt;
652 hp100_page(ID_MAC_ADDR);
653 lp->soft_model = hp100_inb(SOFT_MODEL);
654 lp->mac1_mode = HP100_MAC1MODE3;
655 lp->mac2_mode = HP100_MAC2MODE3;
656 memset(&lp->hash_bytes, 0x00, 8);
657
658 dev->base_addr = ioaddr;
659
660 lp->memory_size = memory_size;
661 lp->virt_memory_size = virt_memory_size;
662 lp->rx_ratio = hp100_rx_ratio;
663
664 if (lp->mode == 1)
665 dev->netdev_ops = &hp100_bm_netdev_ops;
666 else
667 dev->netdev_ops = &hp100_netdev_ops;
668
669
670 if (bus == HP100_BUS_PCI) {
671 dev->irq = pci_dev->irq;
672 } else {
673 hp100_page(HW_MAP);
674 dev->irq = hp100_inb(IRQ_CHANNEL) & HP100_IRQMASK;
675 if (dev->irq == 2)
676 dev->irq = 9;
677 }
678
679 if (lp->mode == 1)
680 dev->dma = 4;
681
682
683 hp100_page(ID_MAC_ADDR);
684 for (i = uc = 0; i < 6; i++)
685 dev->dev_addr[i] = hp100_inb(LAN_ADDR + i);
686
687
688 hp100_clear_stats(lp, ioaddr);
689
690
691
692
693
694
695
696
697
698
699 if (lp->mode == 1) {
700 dma_addr_t page_baddr;
701
702
703
704
705 lp->page_vaddr_algn = pci_alloc_consistent(lp->pci_dev, MAX_RINGSIZE, &page_baddr);
706 if (!lp->page_vaddr_algn) {
707 err = -ENOMEM;
708 goto out_mem_ptr;
709 }
710 lp->whatever_offset = ((u_long) page_baddr) - ((u_long) lp->page_vaddr_algn);
711
712#ifdef HP100_DEBUG_BM
713 printk("hp100: %s: Reserved DMA memory from 0x%x to 0x%x\n", dev->name, (u_int) lp->page_vaddr_algn, (u_int) lp->page_vaddr_algn + MAX_RINGSIZE);
714#endif
715 lp->rxrcommit = lp->txrcommit = 0;
716 lp->rxrhead = lp->rxrtail = &(lp->rxring[0]);
717 lp->txrhead = lp->txrtail = &(lp->txring[0]);
718 }
719
720
721
722
723
724
725 hp100_hwinit(dev);
726
727
728 lp->lan_type = hp100_sense_lan(dev);
729
730
731 printk("hp100: at 0x%x, IRQ %d, ", ioaddr, dev->irq);
732 switch (bus) {
733 case HP100_BUS_EISA:
734 printk("EISA");
735 break;
736 case HP100_BUS_PCI:
737 printk("PCI");
738 break;
739 default:
740 printk("ISA");
741 break;
742 }
743 printk(" bus, %dk SRAM (rx/tx %d%%).\n", lp->memory_size >> 10, lp->rx_ratio);
744
745 if (lp->mode == 2) {
746 printk("hp100: Memory area at 0x%lx-0x%lx", mem_ptr_phys,
747 (mem_ptr_phys + (mem_ptr_phys > 0x100000 ? (u_long) lp->memory_size : 16 * 1024)) - 1);
748 if (mem_ptr_virt)
749 printk(" (virtual base %p)", mem_ptr_virt);
750 printk(".\n");
751
752
753 dev->mem_start = mem_ptr_phys;
754 dev->mem_end = mem_ptr_phys + lp->memory_size;
755 }
756
757 printk("hp100: ");
758 if (lp->lan_type != HP100_LAN_ERR)
759 printk("Adapter is attached to ");
760 switch (lp->lan_type) {
761 case HP100_LAN_100:
762 printk("100Mb/s Voice Grade AnyLAN network.\n");
763 break;
764 case HP100_LAN_10:
765 printk("10Mb/s network (10baseT).\n");
766 break;
767 case HP100_LAN_COAX:
768 printk("10Mb/s network (coax).\n");
769 break;
770 default:
771 printk("Warning! Link down.\n");
772 }
773
774 err = register_netdev(dev);
775 if (err)
776 goto out3;
777
778 return 0;
779out3:
780 if (local_mode == 1)
781 pci_free_consistent(lp->pci_dev, MAX_RINGSIZE + 0x0f,
782 lp->page_vaddr_algn,
783 virt_to_whatever(dev, lp->page_vaddr_algn));
784out_mem_ptr:
785 if (mem_ptr_virt)
786 iounmap(mem_ptr_virt);
787out2:
788 release_region(ioaddr, HP100_REGION_SIZE);
789out1:
790 return err;
791}
792
793
794static void hp100_hwinit(struct net_device *dev)
795{
796 int ioaddr = dev->base_addr;
797 struct hp100_private *lp = netdev_priv(dev);
798
799#ifdef HP100_DEBUG_B
800 hp100_outw(0x4202, TRACE);
801 printk("hp100: %s: hwinit\n", dev->name);
802#endif
803
804
805
806
807 hp100_page(PERFORMANCE);
808 hp100_outw(0xfefe, IRQ_MASK);
809 hp100_outw(0xffff, IRQ_STATUS);
810
811 hp100_outw(HP100_INT_EN | HP100_RESET_LB, OPTION_LSW);
812 hp100_outw(HP100_TRI_INT | HP100_SET_HB, OPTION_LSW);
813
814 if (lp->mode == 1) {
815 hp100_BM_shutdown(dev);
816 wait();
817 } else {
818 hp100_outw(HP100_INT_EN | HP100_RESET_LB, OPTION_LSW);
819 hp100_cascade_reset(dev, 1);
820 hp100_page(MAC_CTRL);
821 hp100_andb(~(HP100_RX_EN | HP100_TX_EN), MAC_CFG_1);
822 }
823
824
825 hp100_load_eeprom(dev, 0);
826
827 wait();
828
829
830 hp100_cascade_reset(dev, 1);
831
832
833 hp100_outw(HP100_DEBUG_EN |
834 HP100_RX_HDR |
835 HP100_EE_EN |
836 HP100_BM_WRITE |
837 HP100_BM_READ | HP100_RESET_HB |
838 HP100_FAKE_INT |
839 HP100_INT_EN |
840 HP100_MEM_EN |
841 HP100_IO_EN | HP100_RESET_LB, OPTION_LSW);
842
843 hp100_outw(HP100_TRI_INT |
844 HP100_MMAP_DIS | HP100_SET_HB, OPTION_LSW);
845
846 hp100_outb(HP100_PRIORITY_TX |
847 HP100_ADV_NXT_PKT |
848 HP100_TX_CMD | HP100_RESET_LB, OPTION_MSW);
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867 hp100_mmuinit(dev);
868
869
870 wait();
871
872
873 hp100_cascade_reset(dev, 0);
874
875
876
877
878 if ((lp->lan_type == HP100_LAN_100) || (lp->lan_type == HP100_LAN_ERR))
879 hp100_login_to_vg_hub(dev, 0);
880
881}
882
883
884
885
886
887
888static void hp100_mmuinit(struct net_device *dev)
889{
890 int ioaddr = dev->base_addr;
891 struct hp100_private *lp = netdev_priv(dev);
892 int i;
893
894#ifdef HP100_DEBUG_B
895 hp100_outw(0x4203, TRACE);
896 printk("hp100: %s: mmuinit\n", dev->name);
897#endif
898
899#ifdef HP100_DEBUG
900 if (0 != (hp100_inw(OPTION_LSW) & HP100_HW_RST)) {
901 printk("hp100: %s: Not in reset when entering mmuinit. Fix me.\n", dev->name);
902 return;
903 }
904#endif
905
906
907 hp100_page(PERFORMANCE);
908 hp100_outw(0xfefe, IRQ_MASK);
909 hp100_outw(0xffff, IRQ_STATUS);
910
911
912
913
914
915
916
917
918 hp100_outw(HP100_DEBUG_EN |
919 HP100_RX_HDR |
920 HP100_EE_EN | HP100_RESET_HB |
921 HP100_IO_EN |
922 HP100_FAKE_INT |
923 HP100_INT_EN | HP100_RESET_LB, OPTION_LSW);
924
925 hp100_outw(HP100_TRI_INT | HP100_SET_HB, OPTION_LSW);
926
927 if (lp->mode == 1) {
928 hp100_outw(HP100_BM_WRITE |
929 HP100_BM_READ |
930 HP100_MMAP_DIS | HP100_SET_HB, OPTION_LSW);
931 } else if (lp->mode == 2) {
932 hp100_outw(HP100_BM_WRITE |
933 HP100_BM_READ | HP100_RESET_HB, OPTION_LSW);
934 hp100_outw(HP100_MMAP_DIS | HP100_RESET_HB, OPTION_LSW);
935 hp100_outw(HP100_MEM_EN | HP100_SET_LB, OPTION_LSW);
936 hp100_outw(HP100_IO_EN | HP100_SET_LB, OPTION_LSW);
937 } else if (lp->mode == 3) {
938 hp100_outw(HP100_MMAP_DIS | HP100_SET_HB |
939 HP100_IO_EN | HP100_SET_LB, OPTION_LSW);
940 }
941
942 hp100_page(HW_MAP);
943 hp100_outb(0, EARLYRXCFG);
944 hp100_outw(0, EARLYTXCFG);
945
946
947
948
949 if (lp->mode == 1) {
950
951 hp100_page(HW_MAP);
952 hp100_andb(~HP100_PDL_USE3, MODECTRL1);
953 hp100_andb(~HP100_TX_DUALQ, MODECTRL1);
954
955
956 hp100_orb(HP100_EN_BUS_FAIL, MODECTRL2);
957
958 hp100_outw(HP100_BM_READ | HP100_BM_WRITE | HP100_SET_HB, OPTION_LSW);
959 hp100_page(HW_MAP);
960
961 hp100_orb(HP100_BM_BURST_RD | HP100_BM_BURST_WR, BM);
962 if ((lp->chip == HP100_CHIPID_RAINIER) || (lp->chip == HP100_CHIPID_SHASTA))
963 hp100_orb(HP100_BM_PAGE_CK, BM);
964 hp100_orb(HP100_BM_MASTER, BM);
965 } else {
966
967 hp100_page(HW_MAP);
968 hp100_andb(~HP100_BM_MASTER, BM);
969 }
970
971
972
973
974 hp100_page(MMU_CFG);
975 if (lp->mode == 1) {
976 int xmit_stop, recv_stop;
977
978 if ((lp->chip == HP100_CHIPID_RAINIER) ||
979 (lp->chip == HP100_CHIPID_SHASTA)) {
980 int pdl_stop;
981
982
983
984
985
986
987
988
989 pdl_stop = lp->memory_size;
990 xmit_stop = (pdl_stop - 508 * (MAX_RX_PDL) - 16) & ~(0x03ff);
991 recv_stop = (xmit_stop * (lp->rx_ratio) / 100) & ~(0x03ff);
992 hp100_outw((pdl_stop >> 4) - 1, PDL_MEM_STOP);
993#ifdef HP100_DEBUG_BM
994 printk("hp100: %s: PDL_STOP = 0x%x\n", dev->name, pdl_stop);
995#endif
996 } else {
997
998 xmit_stop = (lp->memory_size) - 1;
999 recv_stop = ((lp->memory_size * lp->rx_ratio) / 100) & ~(0x03ff);
1000 }
1001
1002 hp100_outw(xmit_stop >> 4, TX_MEM_STOP);
1003 hp100_outw(recv_stop >> 4, RX_MEM_STOP);
1004#ifdef HP100_DEBUG_BM
1005 printk("hp100: %s: TX_STOP = 0x%x\n", dev->name, xmit_stop >> 4);
1006 printk("hp100: %s: RX_STOP = 0x%x\n", dev->name, recv_stop >> 4);
1007#endif
1008 } else {
1009
1010 hp100_outw((((lp->memory_size * lp->rx_ratio) / 100) >> 4), RX_MEM_STOP);
1011 hp100_outw(((lp->memory_size - 1) >> 4), TX_MEM_STOP);
1012#ifdef HP100_DEBUG
1013 printk("hp100: %s: TX_MEM_STOP: 0x%x\n", dev->name, hp100_inw(TX_MEM_STOP));
1014 printk("hp100: %s: RX_MEM_STOP: 0x%x\n", dev->name, hp100_inw(RX_MEM_STOP));
1015#endif
1016 }
1017
1018
1019 hp100_page(MAC_ADDRESS);
1020 for (i = 0; i < 6; i++)
1021 hp100_outb(dev->dev_addr[i], MAC_ADDR + i);
1022
1023
1024 for (i = 0; i < 8; i++)
1025 hp100_outb(0x0, HASH_BYTE0 + i);
1026
1027
1028 hp100_page(MAC_CTRL);
1029
1030
1031
1032
1033 hp100_andb(~(HP100_RX_EN |
1034 HP100_TX_EN |
1035 HP100_ACC_ERRORED |
1036 HP100_ACC_MC |
1037 HP100_ACC_BC | HP100_ACC_PHY), MAC_CFG_1);
1038
1039 hp100_outb(0x00, MAC_CFG_2);
1040
1041
1042
1043 hp100_outb(0x00, VG_LAN_CFG_2);
1044
1045 if (lp->priority_tx)
1046 hp100_outb(HP100_PRIORITY_TX | HP100_SET_LB, OPTION_MSW);
1047 else
1048 hp100_outb(HP100_PRIORITY_TX | HP100_RESET_LB, OPTION_MSW);
1049
1050 hp100_outb(HP100_ADV_NXT_PKT |
1051 HP100_TX_CMD | HP100_RESET_LB, OPTION_MSW);
1052
1053
1054 if (lp->mode == 1)
1055 hp100_init_pdls(dev);
1056
1057
1058 hp100_page(PERFORMANCE);
1059 hp100_outw(0xfefe, IRQ_MASK);
1060 hp100_outw(0xffff, IRQ_STATUS);
1061}
1062
1063
1064
1065
1066
1067static int hp100_open(struct net_device *dev)
1068{
1069 struct hp100_private *lp = netdev_priv(dev);
1070#ifdef HP100_DEBUG_B
1071 int ioaddr = dev->base_addr;
1072#endif
1073
1074#ifdef HP100_DEBUG_B
1075 hp100_outw(0x4204, TRACE);
1076 printk("hp100: %s: open\n", dev->name);
1077#endif
1078
1079
1080 if (request_irq(dev->irq, hp100_interrupt,
1081 lp->bus == HP100_BUS_PCI || lp->bus ==
1082 HP100_BUS_EISA ? IRQF_SHARED : 0,
1083 dev->name, dev)) {
1084 printk("hp100: %s: unable to get IRQ %d\n", dev->name, dev->irq);
1085 return -EAGAIN;
1086 }
1087
1088 netif_trans_update(dev);
1089 netif_start_queue(dev);
1090
1091 lp->lan_type = hp100_sense_lan(dev);
1092 lp->mac1_mode = HP100_MAC1MODE3;
1093 lp->mac2_mode = HP100_MAC2MODE3;
1094 memset(&lp->hash_bytes, 0x00, 8);
1095
1096 hp100_stop_interface(dev);
1097
1098 hp100_hwinit(dev);
1099
1100 hp100_start_interface(dev);
1101
1102 return 0;
1103}
1104
1105
1106static int hp100_close(struct net_device *dev)
1107{
1108 int ioaddr = dev->base_addr;
1109 struct hp100_private *lp = netdev_priv(dev);
1110
1111#ifdef HP100_DEBUG_B
1112 hp100_outw(0x4205, TRACE);
1113 printk("hp100: %s: close\n", dev->name);
1114#endif
1115
1116 hp100_page(PERFORMANCE);
1117 hp100_outw(0xfefe, IRQ_MASK);
1118
1119 hp100_stop_interface(dev);
1120
1121 if (lp->lan_type == HP100_LAN_100)
1122 lp->hub_status = hp100_login_to_vg_hub(dev, 0);
1123
1124 netif_stop_queue(dev);
1125
1126 free_irq(dev->irq, dev);
1127
1128#ifdef HP100_DEBUG
1129 printk("hp100: %s: close LSW = 0x%x\n", dev->name,
1130 hp100_inw(OPTION_LSW));
1131#endif
1132
1133 return 0;
1134}
1135
1136
1137
1138
1139
1140static void hp100_init_pdls(struct net_device *dev)
1141{
1142 struct hp100_private *lp = netdev_priv(dev);
1143 hp100_ring_t *ringptr;
1144 u_int *pageptr;
1145 int i;
1146
1147#ifdef HP100_DEBUG_B
1148 int ioaddr = dev->base_addr;
1149#endif
1150
1151#ifdef HP100_DEBUG_B
1152 hp100_outw(0x4206, TRACE);
1153 printk("hp100: %s: init pdls\n", dev->name);
1154#endif
1155
1156 if (!lp->page_vaddr_algn)
1157 printk("hp100: %s: Warning: lp->page_vaddr_algn not initialised!\n", dev->name);
1158 else {
1159
1160
1161
1162
1163 memset(lp->page_vaddr_algn, 0, MAX_RINGSIZE);
1164 pageptr = lp->page_vaddr_algn;
1165
1166 lp->rxrcommit = 0;
1167 ringptr = lp->rxrhead = lp->rxrtail = &(lp->rxring[0]);
1168
1169
1170 for (i = MAX_RX_PDL - 1; i >= 0; i--) {
1171 lp->rxring[i].next = ringptr;
1172 ringptr = &(lp->rxring[i]);
1173 pageptr += hp100_init_rxpdl(dev, ringptr, pageptr);
1174 }
1175
1176
1177 lp->txrcommit = 0;
1178 ringptr = lp->txrhead = lp->txrtail = &(lp->txring[0]);
1179 for (i = MAX_TX_PDL - 1; i >= 0; i--) {
1180 lp->txring[i].next = ringptr;
1181 ringptr = &(lp->txring[i]);
1182 pageptr += hp100_init_txpdl(dev, ringptr, pageptr);
1183 }
1184 }
1185}
1186
1187
1188
1189
1190static int hp100_init_rxpdl(struct net_device *dev,
1191 register hp100_ring_t * ringptr,
1192 register u32 * pdlptr)
1193{
1194
1195
1196 if (0 != (((unsigned long) pdlptr) & 0xf))
1197 printk("hp100: %s: Init rxpdl: Unaligned pdlptr 0x%lx.\n",
1198 dev->name, (unsigned long) pdlptr);
1199
1200 ringptr->pdl = pdlptr + 1;
1201 ringptr->pdl_paddr = virt_to_whatever(dev, pdlptr + 1);
1202 ringptr->skb = NULL;
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212 *(pdlptr + 2) = (u_int) virt_to_whatever(dev, pdlptr);
1213 *(pdlptr + 3) = 4;
1214
1215 return roundup(MAX_RX_FRAG * 2 + 2, 4);
1216}
1217
1218
1219static int hp100_init_txpdl(struct net_device *dev,
1220 register hp100_ring_t * ringptr,
1221 register u32 * pdlptr)
1222{
1223 if (0 != (((unsigned long) pdlptr) & 0xf))
1224 printk("hp100: %s: Init txpdl: Unaligned pdlptr 0x%lx.\n", dev->name, (unsigned long) pdlptr);
1225
1226 ringptr->pdl = pdlptr;
1227 ringptr->pdl_paddr = virt_to_whatever(dev, pdlptr);
1228 ringptr->skb = NULL;
1229
1230 return roundup(MAX_TX_FRAG * 2 + 2, 4);
1231}
1232
1233
1234
1235
1236
1237
1238
1239
1240static int hp100_build_rx_pdl(hp100_ring_t * ringptr,
1241 struct net_device *dev)
1242{
1243#ifdef HP100_DEBUG_B
1244 int ioaddr = dev->base_addr;
1245#endif
1246#ifdef HP100_DEBUG_BM
1247 u_int *p;
1248#endif
1249
1250#ifdef HP100_DEBUG_B
1251 hp100_outw(0x4207, TRACE);
1252 printk("hp100: %s: build rx pdl\n", dev->name);
1253#endif
1254
1255
1256
1257
1258
1259 ringptr->skb = netdev_alloc_skb(dev, roundup(MAX_ETHER_SIZE + 2, 4));
1260
1261 if (NULL != ringptr->skb) {
1262
1263
1264
1265
1266
1267 skb_reserve(ringptr->skb, 2);
1268
1269 ringptr->skb->data = skb_put(ringptr->skb, MAX_ETHER_SIZE);
1270
1271
1272
1273
1274
1275
1276
1277
1278#ifdef HP100_DEBUG_BM
1279 printk("hp100: %s: build_rx_pdl: PDH@0x%x, skb->data (len %d) at 0x%x\n",
1280 dev->name, (u_int) ringptr->pdl,
1281 roundup(MAX_ETHER_SIZE + 2, 4),
1282 (unsigned int) ringptr->skb->data);
1283#endif
1284
1285
1286
1287 ringptr->pdl[0] = 0x00020000;
1288 ringptr->pdl[3] = pdl_map_data(netdev_priv(dev),
1289 ringptr->skb->data);
1290 ringptr->pdl[4] = MAX_ETHER_SIZE;
1291
1292#ifdef HP100_DEBUG_BM
1293 for (p = (ringptr->pdl); p < (ringptr->pdl + 5); p++)
1294 printk("hp100: %s: Adr 0x%.8x = 0x%.8x\n", dev->name, (u_int) p, (u_int) * p);
1295#endif
1296 return 1;
1297 }
1298
1299
1300
1301
1302
1303#ifdef HP100_DEBUG_BM
1304 printk("hp100: %s: build_rx_pdl: PDH@0x%x, No space for skb.\n", dev->name, (u_int) ringptr->pdl);
1305#endif
1306
1307 ringptr->pdl[0] = 0x00010000;
1308
1309 return 0;
1310}
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322static void hp100_rxfill(struct net_device *dev)
1323{
1324 int ioaddr = dev->base_addr;
1325
1326 struct hp100_private *lp = netdev_priv(dev);
1327 hp100_ring_t *ringptr;
1328
1329#ifdef HP100_DEBUG_B
1330 hp100_outw(0x4208, TRACE);
1331 printk("hp100: %s: rxfill\n", dev->name);
1332#endif
1333
1334 hp100_page(PERFORMANCE);
1335
1336 while (lp->rxrcommit < MAX_RX_PDL) {
1337
1338
1339
1340 ringptr = lp->rxrtail;
1341 if (0 == hp100_build_rx_pdl(ringptr, dev)) {
1342 return;
1343 }
1344
1345
1346
1347#ifdef HP100_DEBUG_BM
1348 printk("hp100: %s: rxfill: Hand to card: pdl #%d @0x%x phys:0x%x, buffer: 0x%x\n",
1349 dev->name, lp->rxrcommit, (u_int) ringptr->pdl,
1350 (u_int) ringptr->pdl_paddr, (u_int) ringptr->pdl[3]);
1351#endif
1352
1353 hp100_outl((u32) ringptr->pdl_paddr, RX_PDA);
1354
1355 lp->rxrcommit += 1;
1356 lp->rxrtail = ringptr->next;
1357 }
1358}
1359
1360
1361
1362
1363
1364static void hp100_BM_shutdown(struct net_device *dev)
1365{
1366 int ioaddr = dev->base_addr;
1367 struct hp100_private *lp = netdev_priv(dev);
1368 unsigned long time;
1369
1370#ifdef HP100_DEBUG_B
1371 hp100_outw(0x4209, TRACE);
1372 printk("hp100: %s: bm shutdown\n", dev->name);
1373#endif
1374
1375 hp100_page(PERFORMANCE);
1376 hp100_outw(0xfefe, IRQ_MASK);
1377 hp100_outw(0xffff, IRQ_STATUS);
1378
1379
1380 hp100_outw(HP100_INT_EN | HP100_RESET_LB, OPTION_LSW);
1381
1382
1383 hp100_page(MAC_CTRL);
1384 hp100_andb(~(HP100_RX_EN | HP100_TX_EN), MAC_CFG_1);
1385
1386
1387 if (0 != (hp100_inw(OPTION_LSW) & HP100_HW_RST)) {
1388
1389
1390
1391 hp100_page(MAC_CTRL);
1392 for (time = 0; time < 5000; time++) {
1393 if ((hp100_inb(MAC_CFG_1) & (HP100_TX_IDLE | HP100_RX_IDLE)) == (HP100_TX_IDLE | HP100_RX_IDLE))
1394 break;
1395 }
1396
1397
1398 if (lp->chip == HP100_CHIPID_LASSEN) {
1399
1400 hp100_page(HW_MAP);
1401 hp100_andb(~HP100_BM_MASTER, BM);
1402
1403 for (time = 0; time < 32000; time++) {
1404 if (0 == (hp100_inb(BM) & HP100_BM_MASTER))
1405 break;
1406 }
1407 } else {
1408
1409
1410
1411 hp100_page(PERFORMANCE);
1412
1413 for (time = 0; time < 10000; time++) {
1414
1415
1416 if ((hp100_inb(RX_PDL) == 0) && (hp100_inb(RX_PKT_CNT) == 0))
1417 break;
1418 }
1419
1420 if (time >= 10000)
1421 printk("hp100: %s: BM shutdown error.\n", dev->name);
1422
1423
1424
1425
1426
1427
1428 for (time = 0; time < 10000; time++) {
1429 if ((0 == hp100_inb(TX_PKT_CNT)) &&
1430 (0 != (hp100_inb(TX_MEM_FREE) & HP100_AUTO_COMPARE)))
1431 break;
1432 }
1433
1434
1435 hp100_page(HW_MAP);
1436 hp100_andb(~HP100_BM_MASTER, BM);
1437 }
1438
1439 hp100_cascade_reset(dev, 1);
1440 }
1441 hp100_page(PERFORMANCE);
1442
1443
1444}
1445
1446static int hp100_check_lan(struct net_device *dev)
1447{
1448 struct hp100_private *lp = netdev_priv(dev);
1449
1450 if (lp->lan_type < 0) {
1451 hp100_stop_interface(dev);
1452 if ((lp->lan_type = hp100_sense_lan(dev)) < 0) {
1453 printk("hp100: %s: no connection found - check wire\n", dev->name);
1454 hp100_start_interface(dev);
1455 return -EIO;
1456 }
1457 if (lp->lan_type == HP100_LAN_100)
1458 lp->hub_status = hp100_login_to_vg_hub(dev, 0);
1459 hp100_start_interface(dev);
1460 }
1461 return 0;
1462}
1463
1464
1465
1466
1467
1468
1469static netdev_tx_t hp100_start_xmit_bm(struct sk_buff *skb,
1470 struct net_device *dev)
1471{
1472 unsigned long flags;
1473 int i, ok_flag;
1474 int ioaddr = dev->base_addr;
1475 struct hp100_private *lp = netdev_priv(dev);
1476 hp100_ring_t *ringptr;
1477
1478#ifdef HP100_DEBUG_B
1479 hp100_outw(0x4210, TRACE);
1480 printk("hp100: %s: start_xmit_bm\n", dev->name);
1481#endif
1482 if (skb->len <= 0)
1483 goto drop;
1484
1485 if (lp->chip == HP100_CHIPID_SHASTA && skb_padto(skb, ETH_ZLEN))
1486 return NETDEV_TX_OK;
1487
1488
1489 if (lp->txrtail->next == lp->txrhead) {
1490
1491#ifdef HP100_DEBUG
1492 printk("hp100: %s: start_xmit_bm: No TX PDL available.\n", dev->name);
1493#endif
1494
1495 if (time_before(jiffies, dev_trans_start(dev) + HZ))
1496 goto drop;
1497
1498 if (hp100_check_lan(dev))
1499 goto drop;
1500
1501 if (lp->lan_type == HP100_LAN_100 && lp->hub_status < 0) {
1502
1503 printk("hp100: %s: login to 100Mb/s hub retry\n", dev->name);
1504 hp100_stop_interface(dev);
1505 lp->hub_status = hp100_login_to_vg_hub(dev, 0);
1506 hp100_start_interface(dev);
1507 } else {
1508 spin_lock_irqsave(&lp->lock, flags);
1509 hp100_ints_off();
1510 i = hp100_sense_lan(dev);
1511 hp100_ints_on();
1512 spin_unlock_irqrestore(&lp->lock, flags);
1513 if (i == HP100_LAN_ERR)
1514 printk("hp100: %s: link down detected\n", dev->name);
1515 else if (lp->lan_type != i) {
1516
1517 printk("hp100: %s: cable change 10Mb/s <-> 100Mb/s detected\n", dev->name);
1518 lp->lan_type = i;
1519 hp100_stop_interface(dev);
1520 if (lp->lan_type == HP100_LAN_100)
1521 lp->hub_status = hp100_login_to_vg_hub(dev, 0);
1522 hp100_start_interface(dev);
1523 } else {
1524 printk("hp100: %s: interface reset\n", dev->name);
1525 hp100_stop_interface(dev);
1526 if (lp->lan_type == HP100_LAN_100)
1527 lp->hub_status = hp100_login_to_vg_hub(dev, 0);
1528 hp100_start_interface(dev);
1529 }
1530 }
1531
1532 goto drop;
1533 }
1534
1535
1536
1537
1538
1539 spin_lock_irqsave(&lp->lock, flags);
1540 ringptr = lp->txrtail;
1541 lp->txrtail = ringptr->next;
1542
1543
1544 ok_flag = skb->len >= HP100_MIN_PACKET_SIZE;
1545 i = ok_flag ? skb->len : HP100_MIN_PACKET_SIZE;
1546
1547 ringptr->skb = skb;
1548 ringptr->pdl[0] = ((1 << 16) | i);
1549 if (lp->chip == HP100_CHIPID_SHASTA) {
1550
1551 ringptr->pdl[2] = i;
1552 } else {
1553
1554 ringptr->pdl[2] = skb->len;
1555 }
1556
1557
1558 ringptr->pdl[1] = ((u32) pci_map_single(lp->pci_dev, skb->data, ringptr->pdl[2], PCI_DMA_TODEVICE));
1559
1560
1561 hp100_outl(ringptr->pdl_paddr, TX_PDA_L);
1562
1563 lp->txrcommit++;
1564
1565 dev->stats.tx_packets++;
1566 dev->stats.tx_bytes += skb->len;
1567
1568 spin_unlock_irqrestore(&lp->lock, flags);
1569
1570 return NETDEV_TX_OK;
1571
1572drop:
1573 dev_kfree_skb(skb);
1574 return NETDEV_TX_OK;
1575}
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585static void hp100_clean_txring(struct net_device *dev)
1586{
1587 struct hp100_private *lp = netdev_priv(dev);
1588 int ioaddr = dev->base_addr;
1589 int donecount;
1590
1591#ifdef HP100_DEBUG_B
1592 hp100_outw(0x4211, TRACE);
1593 printk("hp100: %s: clean txring\n", dev->name);
1594#endif
1595
1596
1597 donecount = (lp->txrcommit) - hp100_inb(TX_PDL);
1598
1599#ifdef HP100_DEBUG
1600 if (donecount > MAX_TX_PDL)
1601 printk("hp100: %s: Warning: More PDLs transmitted than committed to card???\n", dev->name);
1602#endif
1603
1604 for (; 0 != donecount; donecount--) {
1605#ifdef HP100_DEBUG_BM
1606 printk("hp100: %s: Free skb: data @0x%.8x txrcommit=0x%x TXPDL=0x%x, done=0x%x\n",
1607 dev->name, (u_int) lp->txrhead->skb->data,
1608 lp->txrcommit, hp100_inb(TX_PDL), donecount);
1609#endif
1610
1611 pci_unmap_single(lp->pci_dev, (dma_addr_t) lp->txrhead->pdl[1], lp->txrhead->pdl[2], PCI_DMA_TODEVICE);
1612 dev_consume_skb_any(lp->txrhead->skb);
1613 lp->txrhead->skb = NULL;
1614 lp->txrhead = lp->txrhead->next;
1615 lp->txrcommit--;
1616 }
1617}
1618
1619
1620static netdev_tx_t hp100_start_xmit(struct sk_buff *skb,
1621 struct net_device *dev)
1622{
1623 unsigned long flags;
1624 int i, ok_flag;
1625 int ioaddr = dev->base_addr;
1626 u_short val;
1627 struct hp100_private *lp = netdev_priv(dev);
1628
1629#ifdef HP100_DEBUG_B
1630 hp100_outw(0x4212, TRACE);
1631 printk("hp100: %s: start_xmit\n", dev->name);
1632#endif
1633 if (skb->len <= 0)
1634 goto drop;
1635
1636 if (hp100_check_lan(dev))
1637 goto drop;
1638
1639
1640 i = hp100_inl(TX_MEM_FREE) & 0x7fffffff;
1641 if (!(((i / 2) - 539) > (skb->len + 16) && (hp100_inb(TX_PKT_CNT) < 255))) {
1642#ifdef HP100_DEBUG
1643 printk("hp100: %s: start_xmit: tx free mem = 0x%x\n", dev->name, i);
1644#endif
1645
1646 if (time_before(jiffies, dev_trans_start(dev) + HZ)) {
1647#ifdef HP100_DEBUG
1648 printk("hp100: %s: trans_start timing problem\n",
1649 dev->name);
1650#endif
1651 goto drop;
1652 }
1653 if (lp->lan_type == HP100_LAN_100 && lp->hub_status < 0) {
1654
1655 printk("hp100: %s: login to 100Mb/s hub retry\n", dev->name);
1656 hp100_stop_interface(dev);
1657 lp->hub_status = hp100_login_to_vg_hub(dev, 0);
1658 hp100_start_interface(dev);
1659 } else {
1660 spin_lock_irqsave(&lp->lock, flags);
1661 hp100_ints_off();
1662 i = hp100_sense_lan(dev);
1663 hp100_ints_on();
1664 spin_unlock_irqrestore(&lp->lock, flags);
1665 if (i == HP100_LAN_ERR)
1666 printk("hp100: %s: link down detected\n", dev->name);
1667 else if (lp->lan_type != i) {
1668
1669 printk("hp100: %s: cable change 10Mb/s <-> 100Mb/s detected\n", dev->name);
1670 lp->lan_type = i;
1671 hp100_stop_interface(dev);
1672 if (lp->lan_type == HP100_LAN_100)
1673 lp->hub_status = hp100_login_to_vg_hub(dev, 0);
1674 hp100_start_interface(dev);
1675 } else {
1676 printk("hp100: %s: interface reset\n", dev->name);
1677 hp100_stop_interface(dev);
1678 if (lp->lan_type == HP100_LAN_100)
1679 lp->hub_status = hp100_login_to_vg_hub(dev, 0);
1680 hp100_start_interface(dev);
1681 mdelay(1);
1682 }
1683 }
1684 goto drop;
1685 }
1686
1687 for (i = 0; i < 6000 && (hp100_inb(OPTION_MSW) & HP100_TX_CMD); i++) {
1688#ifdef HP100_DEBUG_TX
1689 printk("hp100: %s: start_xmit: busy\n", dev->name);
1690#endif
1691 }
1692
1693 spin_lock_irqsave(&lp->lock, flags);
1694 hp100_ints_off();
1695 val = hp100_inw(IRQ_STATUS);
1696
1697
1698 hp100_outw(HP100_TX_COMPLETE, IRQ_STATUS);
1699#ifdef HP100_DEBUG_TX
1700 printk("hp100: %s: start_xmit: irq_status=0x%.4x, irqmask=0x%.4x, len=%d\n",
1701 dev->name, val, hp100_inw(IRQ_MASK), (int) skb->len);
1702#endif
1703
1704 ok_flag = skb->len >= HP100_MIN_PACKET_SIZE;
1705 i = ok_flag ? skb->len : HP100_MIN_PACKET_SIZE;
1706
1707 hp100_outw(i, DATA32);
1708 hp100_outw(i, FRAGMENT_LEN);
1709
1710 if (lp->mode == 2) {
1711
1712 memcpy_toio(lp->mem_ptr_virt, skb->data, (skb->len + 3) & ~3);
1713 if (!ok_flag)
1714 memset_io(lp->mem_ptr_virt, 0, HP100_MIN_PACKET_SIZE - skb->len);
1715 } else {
1716 outsl(ioaddr + HP100_REG_DATA32, skb->data,
1717 (skb->len + 3) >> 2);
1718 if (!ok_flag)
1719 for (i = (skb->len + 3) & ~3; i < HP100_MIN_PACKET_SIZE; i += 4)
1720 hp100_outl(0, DATA32);
1721 }
1722
1723 hp100_outb(HP100_TX_CMD | HP100_SET_LB, OPTION_MSW);
1724
1725 dev->stats.tx_packets++;
1726 dev->stats.tx_bytes += skb->len;
1727 hp100_ints_on();
1728 spin_unlock_irqrestore(&lp->lock, flags);
1729
1730 dev_consume_skb_any(skb);
1731
1732#ifdef HP100_DEBUG_TX
1733 printk("hp100: %s: start_xmit: end\n", dev->name);
1734#endif
1735
1736 return NETDEV_TX_OK;
1737
1738drop:
1739 dev_kfree_skb(skb);
1740 return NETDEV_TX_OK;
1741
1742}
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754static void hp100_rx(struct net_device *dev)
1755{
1756 int packets, pkt_len;
1757 int ioaddr = dev->base_addr;
1758 struct hp100_private *lp = netdev_priv(dev);
1759 u_int header;
1760 struct sk_buff *skb;
1761
1762#ifdef DEBUG_B
1763 hp100_outw(0x4213, TRACE);
1764 printk("hp100: %s: rx\n", dev->name);
1765#endif
1766
1767
1768
1769
1770 packets = hp100_inb(RX_PKT_CNT);
1771#ifdef HP100_DEBUG_RX
1772 if (packets > 1)
1773 printk("hp100: %s: rx: waiting packets = %d\n", dev->name, packets);
1774#endif
1775
1776 while (packets-- > 0) {
1777
1778
1779 for (pkt_len = 0; pkt_len < 6000 && (hp100_inb(OPTION_MSW) & HP100_ADV_NXT_PKT); pkt_len++) {
1780#ifdef HP100_DEBUG_RX
1781 printk ("hp100: %s: rx: busy, remaining packets = %d\n", dev->name, packets);
1782#endif
1783 }
1784
1785
1786
1787 if (lp->mode == 2) {
1788 header = readl(lp->mem_ptr_virt);
1789 } else
1790 header = hp100_inl(DATA32);
1791
1792 pkt_len = ((header & HP100_PKT_LEN_MASK) + 3) & ~3;
1793
1794#ifdef HP100_DEBUG_RX
1795 printk("hp100: %s: rx: new packet - length=%d, errors=0x%x, dest=0x%x\n",
1796 dev->name, header & HP100_PKT_LEN_MASK,
1797 (header >> 16) & 0xfff8, (header >> 16) & 7);
1798#endif
1799
1800
1801 skb = netdev_alloc_skb(dev, pkt_len + 2);
1802 if (skb == NULL) {
1803#ifdef HP100_DEBUG
1804 printk("hp100: %s: rx: couldn't allocate a sk_buff of size %d\n",
1805 dev->name, pkt_len);
1806#endif
1807 dev->stats.rx_dropped++;
1808 } else {
1809
1810 u_char *ptr;
1811
1812 skb_reserve(skb,2);
1813
1814
1815 skb_put(skb, pkt_len);
1816 ptr = skb->data;
1817
1818
1819 if (lp->mode == 2)
1820 memcpy_fromio(ptr, lp->mem_ptr_virt,pkt_len);
1821 else
1822 insl(ioaddr + HP100_REG_DATA32, ptr, pkt_len >> 2);
1823
1824 skb->protocol = eth_type_trans(skb, dev);
1825
1826#ifdef HP100_DEBUG_RX
1827 printk("hp100: %s: rx: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
1828 dev->name, ptr[0], ptr[1], ptr[2], ptr[3],
1829 ptr[4], ptr[5], ptr[6], ptr[7], ptr[8],
1830 ptr[9], ptr[10], ptr[11]);
1831#endif
1832 netif_rx(skb);
1833 dev->stats.rx_packets++;
1834 dev->stats.rx_bytes += pkt_len;
1835 }
1836
1837
1838 hp100_outb(HP100_ADV_NXT_PKT | HP100_SET_LB, OPTION_MSW);
1839
1840 switch (header & 0x00070000) {
1841 case (HP100_MULTI_ADDR_HASH << 16):
1842 case (HP100_MULTI_ADDR_NO_HASH << 16):
1843 dev->stats.multicast++;
1844 break;
1845 }
1846 }
1847#ifdef HP100_DEBUG_RX
1848 printk("hp100_rx: %s: end\n", dev->name);
1849#endif
1850}
1851
1852
1853
1854
1855static void hp100_rx_bm(struct net_device *dev)
1856{
1857 int ioaddr = dev->base_addr;
1858 struct hp100_private *lp = netdev_priv(dev);
1859 hp100_ring_t *ptr;
1860 u_int header;
1861 int pkt_len;
1862
1863#ifdef HP100_DEBUG_B
1864 hp100_outw(0x4214, TRACE);
1865 printk("hp100: %s: rx_bm\n", dev->name);
1866#endif
1867
1868#ifdef HP100_DEBUG
1869 if (0 == lp->rxrcommit) {
1870 printk("hp100: %s: rx_bm called although no PDLs were committed to adapter?\n", dev->name);
1871 return;
1872 } else
1873
1874
1875 if ((hp100_inw(RX_PKT_CNT) & 0x00ff) >= lp->rxrcommit) {
1876 printk("hp100: %s: More packets received than committed? RX_PKT_CNT=0x%x, commit=0x%x\n",
1877 dev->name, hp100_inw(RX_PKT_CNT) & 0x00ff,
1878 lp->rxrcommit);
1879 return;
1880 }
1881#endif
1882
1883 while ((lp->rxrcommit > hp100_inb(RX_PDL))) {
1884
1885
1886
1887
1888
1889
1890
1891
1892 ptr = lp->rxrhead;
1893
1894 header = *(ptr->pdl - 1);
1895 pkt_len = (header & HP100_PKT_LEN_MASK);
1896
1897
1898 pci_unmap_single(lp->pci_dev, (dma_addr_t) ptr->pdl[3], MAX_ETHER_SIZE, PCI_DMA_FROMDEVICE);
1899
1900#ifdef HP100_DEBUG_BM
1901 printk("hp100: %s: rx_bm: header@0x%x=0x%x length=%d, errors=0x%x, dest=0x%x\n",
1902 dev->name, (u_int) (ptr->pdl - 1), (u_int) header,
1903 pkt_len, (header >> 16) & 0xfff8, (header >> 16) & 7);
1904 printk("hp100: %s: RX_PDL_COUNT:0x%x TX_PDL_COUNT:0x%x, RX_PKT_CNT=0x%x PDH=0x%x, Data@0x%x len=0x%x\n",
1905 dev->name, hp100_inb(RX_PDL), hp100_inb(TX_PDL),
1906 hp100_inb(RX_PKT_CNT), (u_int) * (ptr->pdl),
1907 (u_int) * (ptr->pdl + 3), (u_int) * (ptr->pdl + 4));
1908#endif
1909
1910 if ((pkt_len >= MIN_ETHER_SIZE) &&
1911 (pkt_len <= MAX_ETHER_SIZE)) {
1912 if (ptr->skb == NULL) {
1913 printk("hp100: %s: rx_bm: skb null\n", dev->name);
1914
1915 dev->stats.rx_dropped++;
1916 } else {
1917 skb_trim(ptr->skb, pkt_len);
1918 ptr->skb->protocol =
1919 eth_type_trans(ptr->skb, dev);
1920
1921 netif_rx(ptr->skb);
1922
1923 dev->stats.rx_packets++;
1924 dev->stats.rx_bytes += pkt_len;
1925 }
1926
1927 switch (header & 0x00070000) {
1928 case (HP100_MULTI_ADDR_HASH << 16):
1929 case (HP100_MULTI_ADDR_NO_HASH << 16):
1930 dev->stats.multicast++;
1931 break;
1932 }
1933 } else {
1934#ifdef HP100_DEBUG
1935 printk("hp100: %s: rx_bm: Received bad packet (length=%d)\n", dev->name, pkt_len);
1936#endif
1937 if (ptr->skb != NULL)
1938 dev_kfree_skb_any(ptr->skb);
1939 dev->stats.rx_errors++;
1940 }
1941
1942 lp->rxrhead = lp->rxrhead->next;
1943
1944
1945 if (0 == hp100_build_rx_pdl(lp->rxrtail, dev)) {
1946
1947#ifdef HP100_DEBUG
1948 printk("hp100: %s: rx_bm: No space for new PDL.\n", dev->name);
1949#endif
1950 return;
1951 } else {
1952 hp100_outl((u32) lp->rxrtail->pdl_paddr, RX_PDA);
1953 lp->rxrtail = lp->rxrtail->next;
1954 }
1955
1956 }
1957}
1958
1959
1960
1961
1962static struct net_device_stats *hp100_get_stats(struct net_device *dev)
1963{
1964 unsigned long flags;
1965 int ioaddr = dev->base_addr;
1966 struct hp100_private *lp = netdev_priv(dev);
1967
1968#ifdef HP100_DEBUG_B
1969 hp100_outw(0x4215, TRACE);
1970#endif
1971
1972 spin_lock_irqsave(&lp->lock, flags);
1973 hp100_ints_off();
1974 hp100_update_stats(dev);
1975 hp100_ints_on();
1976 spin_unlock_irqrestore(&lp->lock, flags);
1977 return &(dev->stats);
1978}
1979
1980static void hp100_update_stats(struct net_device *dev)
1981{
1982 int ioaddr = dev->base_addr;
1983 u_short val;
1984
1985#ifdef HP100_DEBUG_B
1986 hp100_outw(0x4216, TRACE);
1987 printk("hp100: %s: update-stats\n", dev->name);
1988#endif
1989
1990
1991 hp100_page(MAC_CTRL);
1992 val = hp100_inw(DROPPED) & 0x0fff;
1993 dev->stats.rx_errors += val;
1994 dev->stats.rx_over_errors += val;
1995 val = hp100_inb(CRC);
1996 dev->stats.rx_errors += val;
1997 dev->stats.rx_crc_errors += val;
1998 val = hp100_inb(ABORT);
1999 dev->stats.tx_errors += val;
2000 dev->stats.tx_aborted_errors += val;
2001 hp100_page(PERFORMANCE);
2002}
2003
2004static void hp100_misc_interrupt(struct net_device *dev)
2005{
2006#ifdef HP100_DEBUG_B
2007 int ioaddr = dev->base_addr;
2008#endif
2009
2010#ifdef HP100_DEBUG_B
2011 int ioaddr = dev->base_addr;
2012 hp100_outw(0x4216, TRACE);
2013 printk("hp100: %s: misc_interrupt\n", dev->name);
2014#endif
2015
2016
2017 dev->stats.rx_errors++;
2018 dev->stats.tx_errors++;
2019}
2020
2021static void hp100_clear_stats(struct hp100_private *lp, int ioaddr)
2022{
2023 unsigned long flags;
2024
2025#ifdef HP100_DEBUG_B
2026 hp100_outw(0x4217, TRACE);
2027 printk("hp100: %s: clear_stats\n", dev->name);
2028#endif
2029
2030 spin_lock_irqsave(&lp->lock, flags);
2031 hp100_page(MAC_CTRL);
2032 hp100_inw(DROPPED);
2033 hp100_inb(CRC);
2034 hp100_inb(ABORT);
2035 hp100_page(PERFORMANCE);
2036 spin_unlock_irqrestore(&lp->lock, flags);
2037}
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048static void hp100_set_multicast_list(struct net_device *dev)
2049{
2050 unsigned long flags;
2051 int ioaddr = dev->base_addr;
2052 struct hp100_private *lp = netdev_priv(dev);
2053
2054#ifdef HP100_DEBUG_B
2055 hp100_outw(0x4218, TRACE);
2056 printk("hp100: %s: set_mc_list\n", dev->name);
2057#endif
2058
2059 spin_lock_irqsave(&lp->lock, flags);
2060 hp100_ints_off();
2061 hp100_page(MAC_CTRL);
2062 hp100_andb(~(HP100_RX_EN | HP100_TX_EN), MAC_CFG_1);
2063
2064 if (dev->flags & IFF_PROMISC) {
2065 lp->mac2_mode = HP100_MAC2MODE6;
2066 lp->mac1_mode = HP100_MAC1MODE6;
2067 memset(&lp->hash_bytes, 0xff, 8);
2068 } else if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI)) {
2069 lp->mac2_mode = HP100_MAC2MODE5;
2070 lp->mac1_mode = HP100_MAC1MODE5;
2071#ifdef HP100_MULTICAST_FILTER
2072 if (dev->flags & IFF_ALLMULTI) {
2073
2074 memset(&lp->hash_bytes, 0xff, 8);
2075 } else {
2076 int i, idx;
2077 u_char *addrs;
2078 struct netdev_hw_addr *ha;
2079
2080 memset(&lp->hash_bytes, 0x00, 8);
2081#ifdef HP100_DEBUG
2082 printk("hp100: %s: computing hash filter - mc_count = %i\n",
2083 dev->name, netdev_mc_count(dev));
2084#endif
2085 netdev_for_each_mc_addr(ha, dev) {
2086 addrs = ha->addr;
2087#ifdef HP100_DEBUG
2088 printk("hp100: %s: multicast = %pM, ",
2089 dev->name, addrs);
2090#endif
2091 for (i = idx = 0; i < 6; i++) {
2092 idx ^= *addrs++ & 0x3f;
2093 printk(":%02x:", idx);
2094 }
2095#ifdef HP100_DEBUG
2096 printk("idx = %i\n", idx);
2097#endif
2098 lp->hash_bytes[idx >> 3] |= (1 << (idx & 7));
2099 }
2100 }
2101#else
2102 memset(&lp->hash_bytes, 0xff, 8);
2103#endif
2104 } else {
2105 lp->mac2_mode = HP100_MAC2MODE3;
2106 lp->mac1_mode = HP100_MAC1MODE3;
2107 memset(&lp->hash_bytes, 0x00, 8);
2108 }
2109
2110 if (((hp100_inb(MAC_CFG_1) & 0x0f) != lp->mac1_mode) ||
2111 (hp100_inb(MAC_CFG_2) != lp->mac2_mode)) {
2112 int i;
2113
2114 hp100_outb(lp->mac2_mode, MAC_CFG_2);
2115 hp100_andb(HP100_MAC1MODEMASK, MAC_CFG_1);
2116 hp100_orb(lp->mac1_mode, MAC_CFG_1);
2117
2118 hp100_page(MAC_ADDRESS);
2119 for (i = 0; i < 8; i++)
2120 hp100_outb(lp->hash_bytes[i], HASH_BYTE0 + i);
2121#ifdef HP100_DEBUG
2122 printk("hp100: %s: mac1 = 0x%x, mac2 = 0x%x, multicast hash = %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
2123 dev->name, lp->mac1_mode, lp->mac2_mode,
2124 lp->hash_bytes[0], lp->hash_bytes[1],
2125 lp->hash_bytes[2], lp->hash_bytes[3],
2126 lp->hash_bytes[4], lp->hash_bytes[5],
2127 lp->hash_bytes[6], lp->hash_bytes[7]);
2128#endif
2129
2130 if (lp->lan_type == HP100_LAN_100) {
2131#ifdef HP100_DEBUG
2132 printk("hp100: %s: 100VG MAC settings have changed - relogin.\n", dev->name);
2133#endif
2134 lp->hub_status = hp100_login_to_vg_hub(dev, 1);
2135 }
2136 } else {
2137 int i;
2138 u_char old_hash_bytes[8];
2139
2140 hp100_page(MAC_ADDRESS);
2141 for (i = 0; i < 8; i++)
2142 old_hash_bytes[i] = hp100_inb(HASH_BYTE0 + i);
2143 if (memcmp(old_hash_bytes, &lp->hash_bytes, 8)) {
2144 for (i = 0; i < 8; i++)
2145 hp100_outb(lp->hash_bytes[i], HASH_BYTE0 + i);
2146#ifdef HP100_DEBUG
2147 printk("hp100: %s: multicast hash = %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
2148 dev->name, lp->hash_bytes[0],
2149 lp->hash_bytes[1], lp->hash_bytes[2],
2150 lp->hash_bytes[3], lp->hash_bytes[4],
2151 lp->hash_bytes[5], lp->hash_bytes[6],
2152 lp->hash_bytes[7]);
2153#endif
2154
2155 if (lp->lan_type == HP100_LAN_100) {
2156#ifdef HP100_DEBUG
2157 printk("hp100: %s: 100VG MAC settings have changed - relogin.\n", dev->name);
2158#endif
2159 lp->hub_status = hp100_login_to_vg_hub(dev, 1);
2160 }
2161 }
2162 }
2163
2164 hp100_page(MAC_CTRL);
2165 hp100_orb(HP100_RX_EN | HP100_RX_IDLE |
2166 HP100_TX_EN | HP100_TX_IDLE, MAC_CFG_1);
2167
2168 hp100_page(PERFORMANCE);
2169 hp100_ints_on();
2170 spin_unlock_irqrestore(&lp->lock, flags);
2171}
2172
2173
2174
2175
2176
2177static irqreturn_t hp100_interrupt(int irq, void *dev_id)
2178{
2179 struct net_device *dev = (struct net_device *) dev_id;
2180 struct hp100_private *lp = netdev_priv(dev);
2181
2182 int ioaddr;
2183 u_int val;
2184
2185 if (dev == NULL)
2186 return IRQ_NONE;
2187 ioaddr = dev->base_addr;
2188
2189 spin_lock(&lp->lock);
2190
2191 hp100_ints_off();
2192
2193#ifdef HP100_DEBUG_B
2194 hp100_outw(0x4219, TRACE);
2195#endif
2196
2197
2198 val = hp100_inw(IRQ_STATUS);
2199#ifdef HP100_DEBUG_IRQ
2200 printk("hp100: %s: mode=%x,IRQ_STAT=0x%.4x,RXPKTCNT=0x%.2x RXPDL=0x%.2x TXPKTCNT=0x%.2x TXPDL=0x%.2x\n",
2201 dev->name, lp->mode, (u_int) val, hp100_inb(RX_PKT_CNT),
2202 hp100_inb(RX_PDL), hp100_inb(TX_PKT_CNT), hp100_inb(TX_PDL));
2203#endif
2204
2205 if (val == 0) {
2206 spin_unlock(&lp->lock);
2207 hp100_ints_on();
2208 return IRQ_NONE;
2209 }
2210
2211
2212
2213
2214
2215
2216
2217
2218 if (val & HP100_RX_PDL_FILL_COMPL) {
2219 if (lp->mode == 1)
2220 hp100_rx_bm(dev);
2221 else {
2222 printk("hp100: %s: rx_pdl_fill_compl interrupt although not busmaster?\n", dev->name);
2223 }
2224 }
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234 if (val & HP100_RX_PACKET) {
2235 if (lp->mode != 1)
2236 hp100_rx(dev);
2237 else if (!(val & HP100_RX_PDL_FILL_COMPL)) {
2238
2239 hp100_rx_bm(dev);
2240 }
2241 }
2242
2243
2244
2245
2246
2247
2248
2249 hp100_outw(val, IRQ_STATUS);
2250
2251
2252
2253
2254
2255
2256
2257 if (val & (HP100_TX_ERROR | HP100_RX_ERROR)) {
2258#ifdef HP100_DEBUG_IRQ
2259 printk("hp100: %s: TX/RX Error IRQ\n", dev->name);
2260#endif
2261 hp100_update_stats(dev);
2262 if (lp->mode == 1) {
2263 hp100_rxfill(dev);
2264 hp100_clean_txring(dev);
2265 }
2266 }
2267
2268
2269
2270
2271 if ((lp->mode == 1) && (val & (HP100_RX_PDA_ZERO)))
2272 hp100_rxfill(dev);
2273
2274
2275
2276
2277
2278 if ((lp->mode == 1) && (val & (HP100_TX_COMPLETE)))
2279 hp100_clean_txring(dev);
2280
2281
2282
2283
2284
2285 if (val & HP100_MISC_ERROR) {
2286#ifdef HP100_DEBUG_IRQ
2287 printk
2288 ("hp100: %s: Misc. Error Interrupt - Check cabling.\n",
2289 dev->name);
2290#endif
2291 if (lp->mode == 1) {
2292 hp100_clean_txring(dev);
2293 hp100_rxfill(dev);
2294 }
2295 hp100_misc_interrupt(dev);
2296 }
2297
2298 spin_unlock(&lp->lock);
2299 hp100_ints_on();
2300 return IRQ_HANDLED;
2301}
2302
2303
2304
2305
2306
2307static void hp100_start_interface(struct net_device *dev)
2308{
2309 unsigned long flags;
2310 int ioaddr = dev->base_addr;
2311 struct hp100_private *lp = netdev_priv(dev);
2312
2313#ifdef HP100_DEBUG_B
2314 hp100_outw(0x4220, TRACE);
2315 printk("hp100: %s: hp100_start_interface\n", dev->name);
2316#endif
2317
2318 spin_lock_irqsave(&lp->lock, flags);
2319
2320
2321
2322 hp100_page(PERFORMANCE);
2323 hp100_outw(0xfefe, IRQ_MASK);
2324 hp100_outw(0xffff, IRQ_STATUS);
2325 hp100_outw(HP100_FAKE_INT | HP100_INT_EN | HP100_RESET_LB,
2326 OPTION_LSW);
2327
2328 hp100_outw(HP100_TRI_INT | HP100_RESET_HB, OPTION_LSW);
2329
2330 if (lp->mode == 1) {
2331
2332 hp100_page(HW_MAP);
2333 hp100_orb(HP100_BM_MASTER, BM);
2334 hp100_rxfill(dev);
2335 } else if (lp->mode == 2) {
2336
2337 hp100_outw(HP100_MMAP_DIS | HP100_RESET_HB, OPTION_LSW);
2338 }
2339
2340 hp100_page(PERFORMANCE);
2341 hp100_outw(0xfefe, IRQ_MASK);
2342 hp100_outw(0xffff, IRQ_STATUS);
2343
2344
2345 if (lp->mode == 1) {
2346 hp100_outw(HP100_RX_PDL_FILL_COMPL |
2347 HP100_RX_PDA_ZERO | HP100_RX_ERROR |
2348
2349 HP100_SET_HB |
2350
2351 HP100_TX_COMPLETE |
2352
2353 HP100_TX_ERROR | HP100_SET_LB, IRQ_MASK);
2354 } else {
2355 hp100_outw(HP100_RX_PACKET |
2356 HP100_RX_ERROR | HP100_SET_HB |
2357 HP100_TX_ERROR | HP100_SET_LB, IRQ_MASK);
2358 }
2359
2360
2361
2362 spin_unlock_irqrestore(&lp->lock, flags);
2363
2364
2365 hp100_set_multicast_list(dev);
2366}
2367
2368static void hp100_stop_interface(struct net_device *dev)
2369{
2370 struct hp100_private *lp = netdev_priv(dev);
2371 int ioaddr = dev->base_addr;
2372 u_int val;
2373
2374#ifdef HP100_DEBUG_B
2375 printk("hp100: %s: hp100_stop_interface\n", dev->name);
2376 hp100_outw(0x4221, TRACE);
2377#endif
2378
2379 if (lp->mode == 1)
2380 hp100_BM_shutdown(dev);
2381 else {
2382
2383 hp100_outw(HP100_INT_EN | HP100_RESET_LB |
2384 HP100_TRI_INT | HP100_MMAP_DIS | HP100_SET_HB,
2385 OPTION_LSW);
2386 val = hp100_inw(OPTION_LSW);
2387
2388 hp100_page(MAC_CTRL);
2389 hp100_andb(~(HP100_RX_EN | HP100_TX_EN), MAC_CFG_1);
2390
2391 if (!(val & HP100_HW_RST))
2392 return;
2393
2394 for (val = 0; val < 6000; val++)
2395 if ((hp100_inb(MAC_CFG_1) & (HP100_TX_IDLE | HP100_RX_IDLE)) == (HP100_TX_IDLE | HP100_RX_IDLE)) {
2396 hp100_page(PERFORMANCE);
2397 return;
2398 }
2399 printk("hp100: %s: hp100_stop_interface - timeout\n", dev->name);
2400 hp100_page(PERFORMANCE);
2401 }
2402}
2403
2404static void hp100_load_eeprom(struct net_device *dev, u_short probe_ioaddr)
2405{
2406 int i;
2407 int ioaddr = probe_ioaddr > 0 ? probe_ioaddr : dev->base_addr;
2408
2409#ifdef HP100_DEBUG_B
2410 hp100_outw(0x4222, TRACE);
2411#endif
2412
2413 hp100_page(EEPROM_CTRL);
2414 hp100_andw(~HP100_EEPROM_LOAD, EEPROM_CTRL);
2415 hp100_orw(HP100_EEPROM_LOAD, EEPROM_CTRL);
2416 for (i = 0; i < 10000; i++)
2417 if (!(hp100_inb(OPTION_MSW) & HP100_EE_LOAD))
2418 return;
2419 printk("hp100: %s: hp100_load_eeprom - timeout\n", dev->name);
2420}
2421
2422
2423
2424
2425
2426
2427static int hp100_sense_lan(struct net_device *dev)
2428{
2429 int ioaddr = dev->base_addr;
2430 u_short val_VG, val_10;
2431 struct hp100_private *lp = netdev_priv(dev);
2432
2433#ifdef HP100_DEBUG_B
2434 hp100_outw(0x4223, TRACE);
2435#endif
2436
2437 hp100_page(MAC_CTRL);
2438 val_10 = hp100_inb(10_LAN_CFG_1);
2439 val_VG = hp100_inb(VG_LAN_CFG_1);
2440 hp100_page(PERFORMANCE);
2441#ifdef HP100_DEBUG
2442 printk("hp100: %s: sense_lan: val_VG = 0x%04x, val_10 = 0x%04x\n",
2443 dev->name, val_VG, val_10);
2444#endif
2445
2446 if (val_10 & HP100_LINK_BEAT_ST)
2447 return HP100_LAN_10;
2448
2449 if (val_10 & HP100_AUI_ST) {
2450
2451
2452
2453
2454
2455 val_10 |= HP100_AUI_SEL | HP100_LOW_TH;
2456 hp100_page(MAC_CTRL);
2457 hp100_outb(val_10, 10_LAN_CFG_1);
2458 hp100_page(PERFORMANCE);
2459 return HP100_LAN_COAX;
2460 }
2461
2462
2463 if ( !strcmp(lp->id, "HWP1920") ||
2464 (lp->pci_dev &&
2465 lp->pci_dev->vendor == PCI_VENDOR_ID &&
2466 (lp->pci_dev->device == PCI_DEVICE_ID_HP_J2970A ||
2467 lp->pci_dev->device == PCI_DEVICE_ID_HP_J2973A)))
2468 return HP100_LAN_ERR;
2469
2470 if (val_VG & HP100_LINK_CABLE_ST)
2471 return HP100_LAN_100;
2472 return HP100_LAN_ERR;
2473}
2474
2475static int hp100_down_vg_link(struct net_device *dev)
2476{
2477 struct hp100_private *lp = netdev_priv(dev);
2478 int ioaddr = dev->base_addr;
2479 unsigned long time;
2480 long savelan, newlan;
2481
2482#ifdef HP100_DEBUG_B
2483 hp100_outw(0x4224, TRACE);
2484 printk("hp100: %s: down_vg_link\n", dev->name);
2485#endif
2486
2487 hp100_page(MAC_CTRL);
2488 time = jiffies + (HZ / 4);
2489 do {
2490 if (hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST)
2491 break;
2492 if (!in_interrupt())
2493 schedule_timeout_interruptible(1);
2494 } while (time_after(time, jiffies));
2495
2496 if (time_after_eq(jiffies, time))
2497 return 0;
2498
2499
2500
2501 hp100_andb(~(HP100_LOAD_ADDR | HP100_LINK_CMD), VG_LAN_CFG_1);
2502 hp100_orb(HP100_VG_SEL, VG_LAN_CFG_1);
2503
2504
2505 time = jiffies + (HZ / 2);
2506 do {
2507 if (!(hp100_inb(VG_LAN_CFG_1) & HP100_LINK_UP_ST))
2508 break;
2509 if (!in_interrupt())
2510 schedule_timeout_interruptible(1);
2511 } while (time_after(time, jiffies));
2512
2513#ifdef HP100_DEBUG
2514 if (time_after_eq(jiffies, time))
2515 printk("hp100: %s: down_vg_link: Link does not go down?\n", dev->name);
2516#endif
2517
2518
2519
2520
2521 if (lp->chip == HP100_CHIPID_LASSEN) {
2522
2523
2524 hp100_andb(~HP100_VG_RESET, VG_LAN_CFG_1);
2525 udelay(1500);
2526 hp100_orb(HP100_VG_RESET, VG_LAN_CFG_1);
2527 udelay(1500);
2528 }
2529
2530
2531
2532
2533
2534
2535 if (lp->chip == HP100_CHIPID_LASSEN) {
2536
2537 savelan = newlan = hp100_inl(10_LAN_CFG_1);
2538 newlan &= ~(HP100_VG_SEL << 16);
2539 newlan |= (HP100_DOT3_MAC) << 8;
2540 hp100_andb(~HP100_AUTO_MODE, MAC_CFG_3);
2541 hp100_outl(newlan, 10_LAN_CFG_1);
2542
2543
2544 time = jiffies + (HZ * 5);
2545 do {
2546 if (!(hp100_inb(MAC_CFG_4) & HP100_MAC_SEL_ST))
2547 break;
2548 if (!in_interrupt())
2549 schedule_timeout_interruptible(1);
2550 } while (time_after(time, jiffies));
2551
2552 hp100_orb(HP100_AUTO_MODE, MAC_CFG_3);
2553 hp100_outl(savelan, 10_LAN_CFG_1);
2554 }
2555
2556 time = jiffies + (3 * HZ);
2557 do {
2558 if ((hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST) == 0)
2559 break;
2560 if (!in_interrupt())
2561 schedule_timeout_interruptible(1);
2562 } while (time_after(time, jiffies));
2563
2564 if (time_before_eq(time, jiffies)) {
2565#ifdef HP100_DEBUG
2566 printk("hp100: %s: down_vg_link: timeout\n", dev->name);
2567#endif
2568 return -EIO;
2569 }
2570
2571 time = jiffies + (2 * HZ);
2572 do {
2573 if (!in_interrupt())
2574 schedule_timeout_interruptible(1);
2575 } while (time_after(time, jiffies));
2576
2577 return 0;
2578}
2579
2580static int hp100_login_to_vg_hub(struct net_device *dev, u_short force_relogin)
2581{
2582 int ioaddr = dev->base_addr;
2583 struct hp100_private *lp = netdev_priv(dev);
2584 u_short val = 0;
2585 unsigned long time;
2586 int startst;
2587
2588#ifdef HP100_DEBUG_B
2589 hp100_outw(0x4225, TRACE);
2590 printk("hp100: %s: login_to_vg_hub\n", dev->name);
2591#endif
2592
2593
2594
2595
2596
2597 hp100_page(MAC_CTRL);
2598 startst = hp100_inb(VG_LAN_CFG_1);
2599 if ((force_relogin == 1) || (hp100_inb(MAC_CFG_4) & HP100_MAC_SEL_ST)) {
2600#ifdef HP100_DEBUG_TRAINING
2601 printk("hp100: %s: Start training\n", dev->name);
2602#endif
2603
2604
2605 hp100_orb(HP100_VG_RESET, VG_LAN_CFG_1);
2606
2607
2608
2609 if ((lp->chip == HP100_CHIPID_LASSEN) && (startst & HP100_LINK_CABLE_ST))
2610 hp100_andb(~HP100_DOT3_MAC, 10_LAN_CFG_2);
2611
2612
2613 hp100_andb(~(HP100_LINK_CMD ), VG_LAN_CFG_1);
2614
2615#ifdef HP100_DEBUG_TRAINING
2616 printk("hp100: %s: Bring down the link\n", dev->name);
2617#endif
2618
2619
2620 time = jiffies + (HZ / 10);
2621 do {
2622 if (!(hp100_inb(VG_LAN_CFG_1) & HP100_LINK_UP_ST))
2623 break;
2624 if (!in_interrupt())
2625 schedule_timeout_interruptible(1);
2626 } while (time_after(time, jiffies));
2627
2628
2629 if ((dev->flags) & IFF_PROMISC) {
2630 hp100_orb(HP100_PROM_MODE, VG_LAN_CFG_2);
2631 if (lp->chip == HP100_CHIPID_LASSEN)
2632 hp100_orw(HP100_MACRQ_PROMSC, TRAIN_REQUEST);
2633 } else {
2634 hp100_andb(~HP100_PROM_MODE, VG_LAN_CFG_2);
2635
2636
2637
2638 if (lp->chip == HP100_CHIPID_LASSEN) {
2639 hp100_andw(~HP100_MACRQ_PROMSC, TRAIN_REQUEST);
2640 }
2641 }
2642
2643
2644 if (lp->chip == HP100_CHIPID_LASSEN)
2645 hp100_orb(HP100_MACRQ_FRAMEFMT_EITHER, TRAIN_REQUEST);
2646
2647 hp100_orb(HP100_LINK_CMD | HP100_LOAD_ADDR | HP100_VG_RESET, VG_LAN_CFG_1);
2648
2649
2650
2651
2652
2653
2654
2655 hp100_page(MAC_CTRL);
2656 time = jiffies + (1 * HZ);
2657 do {
2658 if (hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST)
2659 break;
2660 if (!in_interrupt())
2661 schedule_timeout_interruptible(1);
2662 } while (time_before(jiffies, time));
2663
2664 if (time_after_eq(jiffies, time)) {
2665#ifdef HP100_DEBUG_TRAINING
2666 printk("hp100: %s: Link cable status not ok? Training aborted.\n", dev->name);
2667#endif
2668 } else {
2669#ifdef HP100_DEBUG_TRAINING
2670 printk
2671 ("hp100: %s: HUB tones detected. Trying to train.\n",
2672 dev->name);
2673#endif
2674
2675 time = jiffies + (2 * HZ);
2676 do {
2677 val = hp100_inb(VG_LAN_CFG_1);
2678 if ((val & (HP100_LINK_UP_ST))) {
2679#ifdef HP100_DEBUG_TRAINING
2680 printk("hp100: %s: Passed training.\n", dev->name);
2681#endif
2682 break;
2683 }
2684 if (!in_interrupt())
2685 schedule_timeout_interruptible(1);
2686 } while (time_after(time, jiffies));
2687 }
2688
2689
2690 if (time_before_eq(jiffies, time) && (val & HP100_LINK_UP_ST)) {
2691#ifdef HP100_DEBUG_TRAINING
2692 printk("hp100: %s: Successfully logged into the HUB.\n", dev->name);
2693 if (lp->chip == HP100_CHIPID_LASSEN) {
2694 val = hp100_inw(TRAIN_ALLOW);
2695 printk("hp100: %s: Card supports 100VG MAC Version \"%s\" ",
2696 dev->name, (hp100_inw(TRAIN_REQUEST) & HP100_CARD_MACVER) ? "802.12" : "Pre");
2697 printk("Driver will use MAC Version \"%s\"\n", (val & HP100_HUB_MACVER) ? "802.12" : "Pre");
2698 printk("hp100: %s: Frame format is %s.\n", dev->name, (val & HP100_MALLOW_FRAMEFMT) ? "802.5" : "802.3");
2699 }
2700#endif
2701 } else {
2702
2703 printk("hp100: %s: Problem logging into the HUB.\n", dev->name);
2704 if (lp->chip == HP100_CHIPID_LASSEN) {
2705
2706 val = hp100_inw(TRAIN_ALLOW);
2707#ifdef HP100_DEBUG_TRAINING
2708 printk("hp100: %s: MAC Configuration requested: 0x%04x, HUB allowed: 0x%04x\n", dev->name, hp100_inw(TRAIN_REQUEST), val);
2709#endif
2710 if (val & HP100_MALLOW_ACCDENIED)
2711 printk("hp100: %s: HUB access denied.\n", dev->name);
2712 if (val & HP100_MALLOW_CONFIGURE)
2713 printk("hp100: %s: MAC Configuration is incompatible with the Network.\n", dev->name);
2714 if (val & HP100_MALLOW_DUPADDR)
2715 printk("hp100: %s: Duplicate MAC Address on the Network.\n", dev->name);
2716 }
2717 }
2718
2719
2720
2721
2722 if ((lp->chip == HP100_CHIPID_LASSEN) && (startst & HP100_LINK_CABLE_ST)) {
2723 hp100_page(MAC_CTRL);
2724 hp100_orb(HP100_DOT3_MAC, 10_LAN_CFG_2);
2725 }
2726
2727 val = hp100_inb(VG_LAN_CFG_1);
2728
2729
2730 hp100_page(PERFORMANCE);
2731 hp100_outw(HP100_MISC_ERROR, IRQ_STATUS);
2732
2733 if (val & HP100_LINK_UP_ST)
2734 return 0;
2735 else {
2736 printk("hp100: %s: Training failed.\n", dev->name);
2737 hp100_down_vg_link(dev);
2738 return -EIO;
2739 }
2740 }
2741
2742 return -EIO;
2743}
2744
2745static void hp100_cascade_reset(struct net_device *dev, u_short enable)
2746{
2747 int ioaddr = dev->base_addr;
2748 struct hp100_private *lp = netdev_priv(dev);
2749
2750#ifdef HP100_DEBUG_B
2751 hp100_outw(0x4226, TRACE);
2752 printk("hp100: %s: cascade_reset\n", dev->name);
2753#endif
2754
2755 if (enable) {
2756 hp100_outw(HP100_HW_RST | HP100_RESET_LB, OPTION_LSW);
2757 if (lp->chip == HP100_CHIPID_LASSEN) {
2758
2759 hp100_page(HW_MAP);
2760 hp100_andb(~HP100_PCI_RESET, PCICTRL2);
2761 hp100_orb(HP100_PCI_RESET, PCICTRL2);
2762
2763
2764
2765 udelay(400);
2766 hp100_andb(~HP100_PCI_RESET, PCICTRL2);
2767 hp100_page(PERFORMANCE);
2768 }
2769 } else {
2770 hp100_outw(HP100_HW_RST | HP100_SET_LB, OPTION_LSW);
2771 udelay(400);
2772 hp100_page(PERFORMANCE);
2773 }
2774}
2775
2776#ifdef HP100_DEBUG
2777void hp100_RegisterDump(struct net_device *dev)
2778{
2779 int ioaddr = dev->base_addr;
2780 int Page;
2781 int Register;
2782
2783
2784 printk("hp100: %s: Cascade Register Dump\n", dev->name);
2785 printk("hardware id #1: 0x%.2x\n", hp100_inb(HW_ID));
2786 printk("hardware id #2/paging: 0x%.2x\n", hp100_inb(PAGING));
2787 printk("option #1: 0x%.4x\n", hp100_inw(OPTION_LSW));
2788 printk("option #2: 0x%.4x\n", hp100_inw(OPTION_MSW));
2789
2790
2791 for (Page = 0; Page < 8; Page++) {
2792
2793 printk("page: 0x%.2x\n", Page);
2794 outw(Page, ioaddr + 0x02);
2795 for (Register = 0x8; Register < 0x22; Register += 2) {
2796
2797 if (((Register != 0x10) && (Register != 0x12)) || (Page > 0)) {
2798 printk("0x%.2x = 0x%.4x\n", Register, inw(ioaddr + Register));
2799 }
2800 }
2801 }
2802 hp100_page(PERFORMANCE);
2803}
2804#endif
2805
2806
2807static void cleanup_dev(struct net_device *d)
2808{
2809 struct hp100_private *p = netdev_priv(d);
2810
2811 unregister_netdev(d);
2812 release_region(d->base_addr, HP100_REGION_SIZE);
2813
2814 if (p->mode == 1)
2815 pci_free_consistent(p->pci_dev, MAX_RINGSIZE + 0x0f,
2816 p->page_vaddr_algn,
2817 virt_to_whatever(d, p->page_vaddr_algn));
2818 if (p->mem_ptr_virt)
2819 iounmap(p->mem_ptr_virt);
2820
2821 free_netdev(d);
2822}
2823
2824static int hp100_eisa_probe(struct device *gendev)
2825{
2826 struct net_device *dev = alloc_etherdev(sizeof(struct hp100_private));
2827 struct eisa_device *edev = to_eisa_device(gendev);
2828 int err;
2829
2830 if (!dev)
2831 return -ENOMEM;
2832
2833 SET_NETDEV_DEV(dev, &edev->dev);
2834
2835 err = hp100_probe1(dev, edev->base_addr + 0xC38, HP100_BUS_EISA, NULL);
2836 if (err)
2837 goto out1;
2838
2839#ifdef HP100_DEBUG
2840 printk("hp100: %s: EISA adapter found at 0x%x\n", dev->name,
2841 dev->base_addr);
2842#endif
2843 dev_set_drvdata(gendev, dev);
2844 return 0;
2845 out1:
2846 free_netdev(dev);
2847 return err;
2848}
2849
2850static int hp100_eisa_remove(struct device *gendev)
2851{
2852 struct net_device *dev = dev_get_drvdata(gendev);
2853 cleanup_dev(dev);
2854 return 0;
2855}
2856
2857static struct eisa_driver hp100_eisa_driver = {
2858 .id_table = hp100_eisa_tbl,
2859 .driver = {
2860 .name = "hp100",
2861 .probe = hp100_eisa_probe,
2862 .remove = hp100_eisa_remove,
2863 }
2864};
2865
2866static int hp100_pci_probe(struct pci_dev *pdev,
2867 const struct pci_device_id *ent)
2868{
2869 struct net_device *dev;
2870 int ioaddr;
2871 u_short pci_command;
2872 int err;
2873
2874 if (pci_enable_device(pdev))
2875 return -ENODEV;
2876
2877 dev = alloc_etherdev(sizeof(struct hp100_private));
2878 if (!dev) {
2879 err = -ENOMEM;
2880 goto out0;
2881 }
2882
2883 SET_NETDEV_DEV(dev, &pdev->dev);
2884
2885 pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
2886 if (!(pci_command & PCI_COMMAND_IO)) {
2887#ifdef HP100_DEBUG
2888 printk("hp100: %s: PCI I/O Bit has not been set. Setting...\n", dev->name);
2889#endif
2890 pci_command |= PCI_COMMAND_IO;
2891 pci_write_config_word(pdev, PCI_COMMAND, pci_command);
2892 }
2893
2894 if (!(pci_command & PCI_COMMAND_MASTER)) {
2895#ifdef HP100_DEBUG
2896 printk("hp100: %s: PCI Master Bit has not been set. Setting...\n", dev->name);
2897#endif
2898 pci_command |= PCI_COMMAND_MASTER;
2899 pci_write_config_word(pdev, PCI_COMMAND, pci_command);
2900 }
2901
2902 ioaddr = pci_resource_start(pdev, 0);
2903 err = hp100_probe1(dev, ioaddr, HP100_BUS_PCI, pdev);
2904 if (err)
2905 goto out1;
2906
2907#ifdef HP100_DEBUG
2908 printk("hp100: %s: PCI adapter found at 0x%x\n", dev->name, ioaddr);
2909#endif
2910 pci_set_drvdata(pdev, dev);
2911 return 0;
2912 out1:
2913 free_netdev(dev);
2914 out0:
2915 pci_disable_device(pdev);
2916 return err;
2917}
2918
2919static void hp100_pci_remove(struct pci_dev *pdev)
2920{
2921 struct net_device *dev = pci_get_drvdata(pdev);
2922
2923 cleanup_dev(dev);
2924 pci_disable_device(pdev);
2925}
2926
2927
2928static struct pci_driver hp100_pci_driver = {
2929 .name = "hp100",
2930 .id_table = hp100_pci_tbl,
2931 .probe = hp100_pci_probe,
2932 .remove = hp100_pci_remove,
2933};
2934
2935
2936
2937
2938
2939MODULE_LICENSE("GPL");
2940MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, "
2941 "Siegfried \"Frieder\" Loeffler (dg1sek) <floeff@mathematik.uni-stuttgart.de>");
2942MODULE_DESCRIPTION("HP CASCADE Architecture Driver for 100VG-AnyLan Network Adapters");
2943
2944
2945
2946
2947
2948
2949
2950#if defined(MODULE) && defined(CONFIG_ISA)
2951#define HP100_DEVICES 5
2952
2953static int hp100_port[HP100_DEVICES] = { 0, [1 ... (HP100_DEVICES-1)] = -1 };
2954module_param_hw_array(hp100_port, int, ioport, NULL, 0);
2955
2956
2957static struct net_device *hp100_devlist[HP100_DEVICES];
2958
2959static int __init hp100_isa_init(void)
2960{
2961 struct net_device *dev;
2962 int i, err, cards = 0;
2963
2964
2965 if (hp100_port[0] == 0)
2966 return -ENODEV;
2967
2968
2969 for (i = 0; i < HP100_DEVICES && hp100_port[i] != -1; ++i) {
2970 dev = alloc_etherdev(sizeof(struct hp100_private));
2971 if (!dev) {
2972 while (cards > 0)
2973 cleanup_dev(hp100_devlist[--cards]);
2974
2975 return -ENOMEM;
2976 }
2977
2978 err = hp100_isa_probe(dev, hp100_port[i]);
2979 if (!err)
2980 hp100_devlist[cards++] = dev;
2981 else
2982 free_netdev(dev);
2983 }
2984
2985 return cards > 0 ? 0 : -ENODEV;
2986}
2987
2988static void hp100_isa_cleanup(void)
2989{
2990 int i;
2991
2992 for (i = 0; i < HP100_DEVICES; i++) {
2993 struct net_device *dev = hp100_devlist[i];
2994 if (dev)
2995 cleanup_dev(dev);
2996 }
2997}
2998#else
2999#define hp100_isa_init() (0)
3000#define hp100_isa_cleanup() do { } while(0)
3001#endif
3002
3003static int __init hp100_module_init(void)
3004{
3005 int err;
3006
3007 err = hp100_isa_init();
3008 if (err && err != -ENODEV)
3009 goto out;
3010 err = eisa_driver_register(&hp100_eisa_driver);
3011 if (err && err != -ENODEV)
3012 goto out2;
3013 err = pci_register_driver(&hp100_pci_driver);
3014 if (err && err != -ENODEV)
3015 goto out3;
3016 out:
3017 return err;
3018 out3:
3019 eisa_driver_unregister (&hp100_eisa_driver);
3020 out2:
3021 hp100_isa_cleanup();
3022 goto out;
3023}
3024
3025
3026static void __exit hp100_module_exit(void)
3027{
3028 hp100_isa_cleanup();
3029 eisa_driver_unregister (&hp100_eisa_driver);
3030 pci_unregister_driver (&hp100_pci_driver);
3031}
3032
3033module_init(hp100_module_init)
3034module_exit(hp100_module_exit)
3035