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13#define DRV_NAME "DL2000/TC902x-based linux driver"
14#define DRV_VERSION "v1.19"
15#define DRV_RELDATE "2007/08/12"
16#include "dl2k.h"
17#include <linux/dma-mapping.h>
18
19#define dw32(reg, val) iowrite32(val, ioaddr + (reg))
20#define dw16(reg, val) iowrite16(val, ioaddr + (reg))
21#define dw8(reg, val) iowrite8(val, ioaddr + (reg))
22#define dr32(reg) ioread32(ioaddr + (reg))
23#define dr16(reg) ioread16(ioaddr + (reg))
24#define dr8(reg) ioread8(ioaddr + (reg))
25
26static char version[] =
27 KERN_INFO DRV_NAME " " DRV_VERSION " " DRV_RELDATE "\n";
28#define MAX_UNITS 8
29static int mtu[MAX_UNITS];
30static int vlan[MAX_UNITS];
31static int jumbo[MAX_UNITS];
32static char *media[MAX_UNITS];
33static int tx_flow=-1;
34static int rx_flow=-1;
35static int copy_thresh;
36static int rx_coalesce=10;
37static int rx_timeout=200;
38static int tx_coalesce=16;
39
40
41MODULE_AUTHOR ("Edward Peng");
42MODULE_DESCRIPTION ("D-Link DL2000-based Gigabit Ethernet Adapter");
43MODULE_LICENSE("GPL");
44module_param_array(mtu, int, NULL, 0);
45module_param_array(media, charp, NULL, 0);
46module_param_array(vlan, int, NULL, 0);
47module_param_array(jumbo, int, NULL, 0);
48module_param(tx_flow, int, 0);
49module_param(rx_flow, int, 0);
50module_param(copy_thresh, int, 0);
51module_param(rx_coalesce, int, 0);
52module_param(rx_timeout, int, 0);
53module_param(tx_coalesce, int, 0);
54
55
56
57#define DEFAULT_INTR (RxDMAComplete | HostError | IntRequested | TxDMAComplete| \
58 UpdateStats | LinkEvent)
59
60static void dl2k_enable_int(struct netdev_private *np)
61{
62 void __iomem *ioaddr = np->ioaddr;
63
64 dw16(IntEnable, DEFAULT_INTR);
65}
66
67static const int max_intrloop = 50;
68static const int multicast_filter_limit = 0x40;
69
70static int rio_open (struct net_device *dev);
71static void rio_timer (unsigned long data);
72static void rio_tx_timeout (struct net_device *dev);
73static netdev_tx_t start_xmit (struct sk_buff *skb, struct net_device *dev);
74static irqreturn_t rio_interrupt (int irq, void *dev_instance);
75static void rio_free_tx (struct net_device *dev, int irq);
76static void tx_error (struct net_device *dev, int tx_status);
77static int receive_packet (struct net_device *dev);
78static void rio_error (struct net_device *dev, int int_status);
79static void set_multicast (struct net_device *dev);
80static struct net_device_stats *get_stats (struct net_device *dev);
81static int clear_stats (struct net_device *dev);
82static int rio_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
83static int rio_close (struct net_device *dev);
84static int find_miiphy (struct net_device *dev);
85static int parse_eeprom (struct net_device *dev);
86static int read_eeprom (struct netdev_private *, int eep_addr);
87static int mii_wait_link (struct net_device *dev, int wait);
88static int mii_set_media (struct net_device *dev);
89static int mii_get_media (struct net_device *dev);
90static int mii_set_media_pcs (struct net_device *dev);
91static int mii_get_media_pcs (struct net_device *dev);
92static int mii_read (struct net_device *dev, int phy_addr, int reg_num);
93static int mii_write (struct net_device *dev, int phy_addr, int reg_num,
94 u16 data);
95
96static const struct ethtool_ops ethtool_ops;
97
98static const struct net_device_ops netdev_ops = {
99 .ndo_open = rio_open,
100 .ndo_start_xmit = start_xmit,
101 .ndo_stop = rio_close,
102 .ndo_get_stats = get_stats,
103 .ndo_validate_addr = eth_validate_addr,
104 .ndo_set_mac_address = eth_mac_addr,
105 .ndo_set_rx_mode = set_multicast,
106 .ndo_do_ioctl = rio_ioctl,
107 .ndo_tx_timeout = rio_tx_timeout,
108};
109
110static int
111rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent)
112{
113 struct net_device *dev;
114 struct netdev_private *np;
115 static int card_idx;
116 int chip_idx = ent->driver_data;
117 int err, irq;
118 void __iomem *ioaddr;
119 static int version_printed;
120 void *ring_space;
121 dma_addr_t ring_dma;
122
123 if (!version_printed++)
124 printk ("%s", version);
125
126 err = pci_enable_device (pdev);
127 if (err)
128 return err;
129
130 irq = pdev->irq;
131 err = pci_request_regions (pdev, "dl2k");
132 if (err)
133 goto err_out_disable;
134
135 pci_set_master (pdev);
136
137 err = -ENOMEM;
138
139 dev = alloc_etherdev (sizeof (*np));
140 if (!dev)
141 goto err_out_res;
142 SET_NETDEV_DEV(dev, &pdev->dev);
143
144 np = netdev_priv(dev);
145
146
147 ioaddr = pci_iomap(pdev, 0, 0);
148 if (!ioaddr)
149 goto err_out_dev;
150 np->eeprom_addr = ioaddr;
151
152#ifdef MEM_MAPPING
153
154 ioaddr = pci_iomap(pdev, 1, 0);
155 if (!ioaddr)
156 goto err_out_iounmap;
157#endif
158 np->ioaddr = ioaddr;
159 np->chip_id = chip_idx;
160 np->pdev = pdev;
161 spin_lock_init (&np->tx_lock);
162 spin_lock_init (&np->rx_lock);
163
164
165 np->an_enable = 1;
166 np->tx_coalesce = 1;
167 if (card_idx < MAX_UNITS) {
168 if (media[card_idx] != NULL) {
169 np->an_enable = 0;
170 if (strcmp (media[card_idx], "auto") == 0 ||
171 strcmp (media[card_idx], "autosense") == 0 ||
172 strcmp (media[card_idx], "0") == 0 ) {
173 np->an_enable = 2;
174 } else if (strcmp (media[card_idx], "100mbps_fd") == 0 ||
175 strcmp (media[card_idx], "4") == 0) {
176 np->speed = 100;
177 np->full_duplex = 1;
178 } else if (strcmp (media[card_idx], "100mbps_hd") == 0 ||
179 strcmp (media[card_idx], "3") == 0) {
180 np->speed = 100;
181 np->full_duplex = 0;
182 } else if (strcmp (media[card_idx], "10mbps_fd") == 0 ||
183 strcmp (media[card_idx], "2") == 0) {
184 np->speed = 10;
185 np->full_duplex = 1;
186 } else if (strcmp (media[card_idx], "10mbps_hd") == 0 ||
187 strcmp (media[card_idx], "1") == 0) {
188 np->speed = 10;
189 np->full_duplex = 0;
190 } else if (strcmp (media[card_idx], "1000mbps_fd") == 0 ||
191 strcmp (media[card_idx], "6") == 0) {
192 np->speed=1000;
193 np->full_duplex=1;
194 } else if (strcmp (media[card_idx], "1000mbps_hd") == 0 ||
195 strcmp (media[card_idx], "5") == 0) {
196 np->speed = 1000;
197 np->full_duplex = 0;
198 } else {
199 np->an_enable = 1;
200 }
201 }
202 if (jumbo[card_idx] != 0) {
203 np->jumbo = 1;
204 dev->mtu = MAX_JUMBO;
205 } else {
206 np->jumbo = 0;
207 if (mtu[card_idx] > 0 && mtu[card_idx] < PACKET_SIZE)
208 dev->mtu = mtu[card_idx];
209 }
210 np->vlan = (vlan[card_idx] > 0 && vlan[card_idx] < 4096) ?
211 vlan[card_idx] : 0;
212 if (rx_coalesce > 0 && rx_timeout > 0) {
213 np->rx_coalesce = rx_coalesce;
214 np->rx_timeout = rx_timeout;
215 np->coalesce = 1;
216 }
217 np->tx_flow = (tx_flow == 0) ? 0 : 1;
218 np->rx_flow = (rx_flow == 0) ? 0 : 1;
219
220 if (tx_coalesce < 1)
221 tx_coalesce = 1;
222 else if (tx_coalesce > TX_RING_SIZE-1)
223 tx_coalesce = TX_RING_SIZE - 1;
224 }
225 dev->netdev_ops = &netdev_ops;
226 dev->watchdog_timeo = TX_TIMEOUT;
227 dev->ethtool_ops = ðtool_ops;
228#if 0
229 dev->features = NETIF_F_IP_CSUM;
230#endif
231
232 dev->min_mtu = ETH_MIN_MTU;
233 dev->max_mtu = np->jumbo ? MAX_JUMBO : PACKET_SIZE;
234
235 pci_set_drvdata (pdev, dev);
236
237 ring_space = pci_alloc_consistent (pdev, TX_TOTAL_SIZE, &ring_dma);
238 if (!ring_space)
239 goto err_out_iounmap;
240 np->tx_ring = ring_space;
241 np->tx_ring_dma = ring_dma;
242
243 ring_space = pci_alloc_consistent (pdev, RX_TOTAL_SIZE, &ring_dma);
244 if (!ring_space)
245 goto err_out_unmap_tx;
246 np->rx_ring = ring_space;
247 np->rx_ring_dma = ring_dma;
248
249
250 parse_eeprom (dev);
251
252
253 err = find_miiphy (dev);
254 if (err)
255 goto err_out_unmap_rx;
256
257
258 np->phy_media = (dr16(ASICCtrl) & PhyMedia) ? 1 : 0;
259 np->link_status = 0;
260
261 if (np->phy_media) {
262
263 if (np->an_enable == 2) {
264 np->an_enable = 1;
265 }
266 } else {
267
268
269 if (np->speed == 1000)
270 np->an_enable = 1;
271 }
272
273 err = register_netdev (dev);
274 if (err)
275 goto err_out_unmap_rx;
276
277 card_idx++;
278
279 printk (KERN_INFO "%s: %s, %pM, IRQ %d\n",
280 dev->name, np->name, dev->dev_addr, irq);
281 if (tx_coalesce > 1)
282 printk(KERN_INFO "tx_coalesce:\t%d packets\n",
283 tx_coalesce);
284 if (np->coalesce)
285 printk(KERN_INFO
286 "rx_coalesce:\t%d packets\n"
287 "rx_timeout: \t%d ns\n",
288 np->rx_coalesce, np->rx_timeout*640);
289 if (np->vlan)
290 printk(KERN_INFO "vlan(id):\t%d\n", np->vlan);
291 return 0;
292
293err_out_unmap_rx:
294 pci_free_consistent (pdev, RX_TOTAL_SIZE, np->rx_ring, np->rx_ring_dma);
295err_out_unmap_tx:
296 pci_free_consistent (pdev, TX_TOTAL_SIZE, np->tx_ring, np->tx_ring_dma);
297err_out_iounmap:
298#ifdef MEM_MAPPING
299 pci_iounmap(pdev, np->ioaddr);
300#endif
301 pci_iounmap(pdev, np->eeprom_addr);
302err_out_dev:
303 free_netdev (dev);
304err_out_res:
305 pci_release_regions (pdev);
306err_out_disable:
307 pci_disable_device (pdev);
308 return err;
309}
310
311static int
312find_miiphy (struct net_device *dev)
313{
314 struct netdev_private *np = netdev_priv(dev);
315 int i, phy_found = 0;
316 np = netdev_priv(dev);
317 np->phy_addr = 1;
318
319 for (i = 31; i >= 0; i--) {
320 int mii_status = mii_read (dev, i, 1);
321 if (mii_status != 0xffff && mii_status != 0x0000) {
322 np->phy_addr = i;
323 phy_found++;
324 }
325 }
326 if (!phy_found) {
327 printk (KERN_ERR "%s: No MII PHY found!\n", dev->name);
328 return -ENODEV;
329 }
330 return 0;
331}
332
333static int
334parse_eeprom (struct net_device *dev)
335{
336 struct netdev_private *np = netdev_priv(dev);
337 void __iomem *ioaddr = np->ioaddr;
338 int i, j;
339 u8 sromdata[256];
340 u8 *psib;
341 u32 crc;
342 PSROM_t psrom = (PSROM_t) sromdata;
343
344 int cid, next;
345
346 for (i = 0; i < 128; i++)
347 ((__le16 *) sromdata)[i] = cpu_to_le16(read_eeprom(np, i));
348
349 if (np->pdev->vendor == PCI_VENDOR_ID_DLINK) {
350
351 crc = ~ether_crc_le (256 - 4, sromdata);
352 if (psrom->crc != cpu_to_le32(crc)) {
353 printk (KERN_ERR "%s: EEPROM data CRC error.\n",
354 dev->name);
355 return -1;
356 }
357 }
358
359
360 for (i = 0; i < 6; i++)
361 dev->dev_addr[i] = psrom->mac_addr[i];
362
363 if (np->chip_id == CHIP_IP1000A) {
364 np->led_mode = psrom->led_mode;
365 return 0;
366 }
367
368 if (np->pdev->vendor != PCI_VENDOR_ID_DLINK) {
369 return 0;
370 }
371
372
373 i = 0x30;
374 psib = (u8 *) sromdata;
375 do {
376 cid = psib[i++];
377 next = psib[i++];
378 if ((cid == 0 && next == 0) || (cid == 0xff && next == 0xff)) {
379 printk (KERN_ERR "Cell data error\n");
380 return -1;
381 }
382 switch (cid) {
383 case 0:
384 break;
385 case 1:
386 return 0;
387 case 2:
388 np->duplex_polarity = psib[i];
389 dw8(PhyCtrl, dr8(PhyCtrl) | psib[i]);
390 break;
391 case 3:
392 np->wake_polarity = psib[i];
393 break;
394 case 9:
395 j = (next - i > 255) ? 255 : next - i;
396 memcpy (np->name, &(psib[i]), j);
397 break;
398 case 4:
399 case 5:
400 case 6:
401 case 7:
402 case 8:
403 break;
404 default:
405 return -1;
406 }
407 i = next;
408 } while (1);
409
410 return 0;
411}
412
413static void rio_set_led_mode(struct net_device *dev)
414{
415 struct netdev_private *np = netdev_priv(dev);
416 void __iomem *ioaddr = np->ioaddr;
417 u32 mode;
418
419 if (np->chip_id != CHIP_IP1000A)
420 return;
421
422 mode = dr32(ASICCtrl);
423 mode &= ~(IPG_AC_LED_MODE_BIT_1 | IPG_AC_LED_MODE | IPG_AC_LED_SPEED);
424
425 if (np->led_mode & 0x01)
426 mode |= IPG_AC_LED_MODE;
427 if (np->led_mode & 0x02)
428 mode |= IPG_AC_LED_MODE_BIT_1;
429 if (np->led_mode & 0x08)
430 mode |= IPG_AC_LED_SPEED;
431
432 dw32(ASICCtrl, mode);
433}
434
435static inline dma_addr_t desc_to_dma(struct netdev_desc *desc)
436{
437 return le64_to_cpu(desc->fraginfo) & DMA_BIT_MASK(48);
438}
439
440static void free_list(struct net_device *dev)
441{
442 struct netdev_private *np = netdev_priv(dev);
443 struct sk_buff *skb;
444 int i;
445
446
447 for (i = 0; i < RX_RING_SIZE; i++) {
448 skb = np->rx_skbuff[i];
449 if (skb) {
450 pci_unmap_single(np->pdev, desc_to_dma(&np->rx_ring[i]),
451 skb->len, PCI_DMA_FROMDEVICE);
452 dev_kfree_skb(skb);
453 np->rx_skbuff[i] = NULL;
454 }
455 np->rx_ring[i].status = 0;
456 np->rx_ring[i].fraginfo = 0;
457 }
458 for (i = 0; i < TX_RING_SIZE; i++) {
459 skb = np->tx_skbuff[i];
460 if (skb) {
461 pci_unmap_single(np->pdev, desc_to_dma(&np->tx_ring[i]),
462 skb->len, PCI_DMA_TODEVICE);
463 dev_kfree_skb(skb);
464 np->tx_skbuff[i] = NULL;
465 }
466 }
467}
468
469static void rio_reset_ring(struct netdev_private *np)
470{
471 int i;
472
473 np->cur_rx = 0;
474 np->cur_tx = 0;
475 np->old_rx = 0;
476 np->old_tx = 0;
477
478 for (i = 0; i < TX_RING_SIZE; i++)
479 np->tx_ring[i].status = cpu_to_le64(TFDDone);
480
481 for (i = 0; i < RX_RING_SIZE; i++)
482 np->rx_ring[i].status = 0;
483}
484
485
486static int alloc_list(struct net_device *dev)
487{
488 struct netdev_private *np = netdev_priv(dev);
489 int i;
490
491 rio_reset_ring(np);
492 np->rx_buf_sz = (dev->mtu <= 1500 ? PACKET_SIZE : dev->mtu + 32);
493
494
495 for (i = 0; i < TX_RING_SIZE; i++) {
496 np->tx_skbuff[i] = NULL;
497 np->tx_ring[i].next_desc = cpu_to_le64(np->tx_ring_dma +
498 ((i + 1) % TX_RING_SIZE) *
499 sizeof(struct netdev_desc));
500 }
501
502
503 for (i = 0; i < RX_RING_SIZE; i++) {
504
505 struct sk_buff *skb;
506
507 skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz);
508 np->rx_skbuff[i] = skb;
509 if (!skb) {
510 free_list(dev);
511 return -ENOMEM;
512 }
513
514 np->rx_ring[i].next_desc = cpu_to_le64(np->rx_ring_dma +
515 ((i + 1) % RX_RING_SIZE) *
516 sizeof(struct netdev_desc));
517
518 np->rx_ring[i].fraginfo =
519 cpu_to_le64(pci_map_single(
520 np->pdev, skb->data, np->rx_buf_sz,
521 PCI_DMA_FROMDEVICE));
522 np->rx_ring[i].fraginfo |= cpu_to_le64((u64)np->rx_buf_sz << 48);
523 }
524
525 return 0;
526}
527
528static void rio_hw_init(struct net_device *dev)
529{
530 struct netdev_private *np = netdev_priv(dev);
531 void __iomem *ioaddr = np->ioaddr;
532 int i;
533 u16 macctrl;
534
535
536 dw16(ASICCtrl + 2,
537 GlobalReset | DMAReset | FIFOReset | NetworkReset | HostReset);
538 mdelay(10);
539
540 rio_set_led_mode(dev);
541
542
543 dw32(DebugCtrl, dr32(DebugCtrl) | 0x0230);
544
545 if (np->chip_id == CHIP_IP1000A &&
546 (np->pdev->revision == 0x40 || np->pdev->revision == 0x41)) {
547
548 mii_write(dev, np->phy_addr, 31, 0x0001);
549 mii_write(dev, np->phy_addr, 27, 0x01e0);
550 mii_write(dev, np->phy_addr, 31, 0x0002);
551 mii_write(dev, np->phy_addr, 27, 0xeb8e);
552 mii_write(dev, np->phy_addr, 31, 0x0000);
553 mii_write(dev, np->phy_addr, 30, 0x005e);
554
555 mii_write(dev, np->phy_addr, MII_CTRL1000, 0x0700);
556 }
557
558 if (np->phy_media)
559 mii_set_media_pcs(dev);
560 else
561 mii_set_media(dev);
562
563
564 if (np->jumbo != 0)
565 dw16(MaxFrameSize, MAX_JUMBO+14);
566
567
568 dw32(RFDListPtr0, np->rx_ring_dma);
569 dw32(RFDListPtr1, 0);
570
571
572
573
574
575 for (i = 0; i < 3; i++)
576 dw16(StationAddr0 + 2 * i,
577 cpu_to_le16(((u16 *)dev->dev_addr)[i]));
578
579 set_multicast (dev);
580 if (np->coalesce) {
581 dw32(RxDMAIntCtrl, np->rx_coalesce | np->rx_timeout << 16);
582 }
583
584 dw8(RxDMAPollPeriod, 0x20);
585 dw8(TxDMAPollPeriod, 0xff);
586 dw8(RxDMABurstThresh, 0x30);
587 dw8(RxDMAUrgentThresh, 0x30);
588 dw32(RmonStatMask, 0x0007ffff);
589
590 clear_stats (dev);
591
592
593 if (np->vlan) {
594
595 dw32(RxDMAIntCtrl, dr32(RxDMAIntCtrl) | 0x7 << 10);
596
597 dw16(VLANId, np->vlan);
598
599 dw32(VLANTag, 0x8100 << 16 | np->vlan);
600
601
602 dw32(MACCtrl, dr32(MACCtrl) | AutoVLANuntagging);
603 }
604
605
606 dw32(MACCtrl, dr32(MACCtrl) | StatsEnable | RxEnable | TxEnable);
607
608 macctrl = 0;
609 macctrl |= (np->vlan) ? AutoVLANuntagging : 0;
610 macctrl |= (np->full_duplex) ? DuplexSelect : 0;
611 macctrl |= (np->tx_flow) ? TxFlowControlEnable : 0;
612 macctrl |= (np->rx_flow) ? RxFlowControlEnable : 0;
613 dw16(MACCtrl, macctrl);
614}
615
616static void rio_hw_stop(struct net_device *dev)
617{
618 struct netdev_private *np = netdev_priv(dev);
619 void __iomem *ioaddr = np->ioaddr;
620
621
622 dw16(IntEnable, 0);
623
624
625 dw32(MACCtrl, TxDisable | RxDisable | StatsDisable);
626}
627
628static int rio_open(struct net_device *dev)
629{
630 struct netdev_private *np = netdev_priv(dev);
631 const int irq = np->pdev->irq;
632 int i;
633
634 i = alloc_list(dev);
635 if (i)
636 return i;
637
638 rio_hw_init(dev);
639
640 i = request_irq(irq, rio_interrupt, IRQF_SHARED, dev->name, dev);
641 if (i) {
642 rio_hw_stop(dev);
643 free_list(dev);
644 return i;
645 }
646
647 setup_timer(&np->timer, rio_timer, (unsigned long)dev);
648 np->timer.expires = jiffies + 1 * HZ;
649 add_timer(&np->timer);
650
651 netif_start_queue (dev);
652
653 dl2k_enable_int(np);
654 return 0;
655}
656
657static void
658rio_timer (unsigned long data)
659{
660 struct net_device *dev = (struct net_device *)data;
661 struct netdev_private *np = netdev_priv(dev);
662 unsigned int entry;
663 int next_tick = 1*HZ;
664 unsigned long flags;
665
666 spin_lock_irqsave(&np->rx_lock, flags);
667
668 if (np->cur_rx - np->old_rx >= RX_RING_SIZE) {
669 printk(KERN_INFO "Try to recover rx ring exhausted...\n");
670
671 for (; np->cur_rx - np->old_rx > 0; np->old_rx++) {
672 struct sk_buff *skb;
673 entry = np->old_rx % RX_RING_SIZE;
674
675 if (np->rx_skbuff[entry] == NULL) {
676 skb = netdev_alloc_skb_ip_align(dev,
677 np->rx_buf_sz);
678 if (skb == NULL) {
679 np->rx_ring[entry].fraginfo = 0;
680 printk (KERN_INFO
681 "%s: Still unable to re-allocate Rx skbuff.#%d\n",
682 dev->name, entry);
683 break;
684 }
685 np->rx_skbuff[entry] = skb;
686 np->rx_ring[entry].fraginfo =
687 cpu_to_le64 (pci_map_single
688 (np->pdev, skb->data, np->rx_buf_sz,
689 PCI_DMA_FROMDEVICE));
690 }
691 np->rx_ring[entry].fraginfo |=
692 cpu_to_le64((u64)np->rx_buf_sz << 48);
693 np->rx_ring[entry].status = 0;
694 }
695 }
696 spin_unlock_irqrestore (&np->rx_lock, flags);
697 np->timer.expires = jiffies + next_tick;
698 add_timer(&np->timer);
699}
700
701static void
702rio_tx_timeout (struct net_device *dev)
703{
704 struct netdev_private *np = netdev_priv(dev);
705 void __iomem *ioaddr = np->ioaddr;
706
707 printk (KERN_INFO "%s: Tx timed out (%4.4x), is buffer full?\n",
708 dev->name, dr32(TxStatus));
709 rio_free_tx(dev, 0);
710 dev->if_port = 0;
711 netif_trans_update(dev);
712}
713
714static netdev_tx_t
715start_xmit (struct sk_buff *skb, struct net_device *dev)
716{
717 struct netdev_private *np = netdev_priv(dev);
718 void __iomem *ioaddr = np->ioaddr;
719 struct netdev_desc *txdesc;
720 unsigned entry;
721 u64 tfc_vlan_tag = 0;
722
723 if (np->link_status == 0) {
724 dev_kfree_skb(skb);
725 return NETDEV_TX_OK;
726 }
727 entry = np->cur_tx % TX_RING_SIZE;
728 np->tx_skbuff[entry] = skb;
729 txdesc = &np->tx_ring[entry];
730
731#if 0
732 if (skb->ip_summed == CHECKSUM_PARTIAL) {
733 txdesc->status |=
734 cpu_to_le64 (TCPChecksumEnable | UDPChecksumEnable |
735 IPChecksumEnable);
736 }
737#endif
738 if (np->vlan) {
739 tfc_vlan_tag = VLANTagInsert |
740 ((u64)np->vlan << 32) |
741 ((u64)skb->priority << 45);
742 }
743 txdesc->fraginfo = cpu_to_le64 (pci_map_single (np->pdev, skb->data,
744 skb->len,
745 PCI_DMA_TODEVICE));
746 txdesc->fraginfo |= cpu_to_le64((u64)skb->len << 48);
747
748
749
750 if (entry % np->tx_coalesce == 0 || np->speed == 10)
751 txdesc->status = cpu_to_le64 (entry | tfc_vlan_tag |
752 WordAlignDisable |
753 TxDMAIndicate |
754 (1 << FragCountShift));
755 else
756 txdesc->status = cpu_to_le64 (entry | tfc_vlan_tag |
757 WordAlignDisable |
758 (1 << FragCountShift));
759
760
761 dw32(DMACtrl, dr32(DMACtrl) | 0x00001000);
762
763 dw32(CountDown, 10000);
764 np->cur_tx = (np->cur_tx + 1) % TX_RING_SIZE;
765 if ((np->cur_tx - np->old_tx + TX_RING_SIZE) % TX_RING_SIZE
766 < TX_QUEUE_LEN - 1 && np->speed != 10) {
767
768 } else if (!netif_queue_stopped(dev)) {
769 netif_stop_queue (dev);
770 }
771
772
773 if (!dr32(TFDListPtr0)) {
774 dw32(TFDListPtr0, np->tx_ring_dma +
775 entry * sizeof (struct netdev_desc));
776 dw32(TFDListPtr1, 0);
777 }
778
779 return NETDEV_TX_OK;
780}
781
782static irqreturn_t
783rio_interrupt (int irq, void *dev_instance)
784{
785 struct net_device *dev = dev_instance;
786 struct netdev_private *np = netdev_priv(dev);
787 void __iomem *ioaddr = np->ioaddr;
788 unsigned int_status;
789 int cnt = max_intrloop;
790 int handled = 0;
791
792 while (1) {
793 int_status = dr16(IntStatus);
794 dw16(IntStatus, int_status);
795 int_status &= DEFAULT_INTR;
796 if (int_status == 0 || --cnt < 0)
797 break;
798 handled = 1;
799
800 if (int_status & RxDMAComplete)
801 receive_packet (dev);
802
803 if ((int_status & (TxDMAComplete|IntRequested))) {
804 int tx_status;
805 tx_status = dr32(TxStatus);
806 if (tx_status & 0x01)
807 tx_error (dev, tx_status);
808
809 rio_free_tx (dev, 1);
810 }
811
812
813 if (int_status &
814 (HostError | LinkEvent | UpdateStats))
815 rio_error (dev, int_status);
816 }
817 if (np->cur_tx != np->old_tx)
818 dw32(CountDown, 100);
819 return IRQ_RETVAL(handled);
820}
821
822static void
823rio_free_tx (struct net_device *dev, int irq)
824{
825 struct netdev_private *np = netdev_priv(dev);
826 int entry = np->old_tx % TX_RING_SIZE;
827 int tx_use = 0;
828 unsigned long flag = 0;
829
830 if (irq)
831 spin_lock(&np->tx_lock);
832 else
833 spin_lock_irqsave(&np->tx_lock, flag);
834
835
836 while (entry != np->cur_tx) {
837 struct sk_buff *skb;
838
839 if (!(np->tx_ring[entry].status & cpu_to_le64(TFDDone)))
840 break;
841 skb = np->tx_skbuff[entry];
842 pci_unmap_single (np->pdev,
843 desc_to_dma(&np->tx_ring[entry]),
844 skb->len, PCI_DMA_TODEVICE);
845 if (irq)
846 dev_kfree_skb_irq (skb);
847 else
848 dev_kfree_skb (skb);
849
850 np->tx_skbuff[entry] = NULL;
851 entry = (entry + 1) % TX_RING_SIZE;
852 tx_use++;
853 }
854 if (irq)
855 spin_unlock(&np->tx_lock);
856 else
857 spin_unlock_irqrestore(&np->tx_lock, flag);
858 np->old_tx = entry;
859
860
861
862
863 if (netif_queue_stopped(dev) &&
864 ((np->cur_tx - np->old_tx + TX_RING_SIZE) % TX_RING_SIZE
865 < TX_QUEUE_LEN - 1 || np->speed == 10)) {
866 netif_wake_queue (dev);
867 }
868}
869
870static void
871tx_error (struct net_device *dev, int tx_status)
872{
873 struct netdev_private *np = netdev_priv(dev);
874 void __iomem *ioaddr = np->ioaddr;
875 int frame_id;
876 int i;
877
878 frame_id = (tx_status & 0xffff0000);
879 printk (KERN_ERR "%s: Transmit error, TxStatus %4.4x, FrameId %d.\n",
880 dev->name, tx_status, frame_id);
881 np->stats.tx_errors++;
882
883 if (tx_status & 0x10) {
884 np->stats.tx_fifo_errors++;
885 dw16(TxStartThresh, dr16(TxStartThresh) + 0x10);
886
887 dw16(ASICCtrl + 2,
888 TxReset | DMAReset | FIFOReset | NetworkReset);
889
890 for (i = 50; i > 0; i--) {
891 if (!(dr16(ASICCtrl + 2) & ResetBusy))
892 break;
893 mdelay (1);
894 }
895 rio_set_led_mode(dev);
896 rio_free_tx (dev, 1);
897
898 dw32(TFDListPtr0, np->tx_ring_dma +
899 np->old_tx * sizeof (struct netdev_desc));
900 dw32(TFDListPtr1, 0);
901
902
903 }
904
905 if (tx_status & 0x04) {
906 np->stats.tx_fifo_errors++;
907
908 dw16(ASICCtrl + 2, TxReset | FIFOReset);
909
910 for (i = 50; i > 0; i--) {
911 if (!(dr16(ASICCtrl + 2) & ResetBusy))
912 break;
913 mdelay (1);
914 }
915 rio_set_led_mode(dev);
916
917 }
918
919#ifdef ETHER_STATS
920 if (tx_status & 0x08)
921 np->stats.collisions16++;
922#else
923 if (tx_status & 0x08)
924 np->stats.collisions++;
925#endif
926
927 dw32(MACCtrl, dr16(MACCtrl) | TxEnable);
928}
929
930static int
931receive_packet (struct net_device *dev)
932{
933 struct netdev_private *np = netdev_priv(dev);
934 int entry = np->cur_rx % RX_RING_SIZE;
935 int cnt = 30;
936
937
938 while (1) {
939 struct netdev_desc *desc = &np->rx_ring[entry];
940 int pkt_len;
941 u64 frame_status;
942
943 if (!(desc->status & cpu_to_le64(RFDDone)) ||
944 !(desc->status & cpu_to_le64(FrameStart)) ||
945 !(desc->status & cpu_to_le64(FrameEnd)))
946 break;
947
948
949 frame_status = le64_to_cpu(desc->status);
950 pkt_len = frame_status & 0xffff;
951 if (--cnt < 0)
952 break;
953
954 if (frame_status & RFS_Errors) {
955 np->stats.rx_errors++;
956 if (frame_status & (RxRuntFrame | RxLengthError))
957 np->stats.rx_length_errors++;
958 if (frame_status & RxFCSError)
959 np->stats.rx_crc_errors++;
960 if (frame_status & RxAlignmentError && np->speed != 1000)
961 np->stats.rx_frame_errors++;
962 if (frame_status & RxFIFOOverrun)
963 np->stats.rx_fifo_errors++;
964 } else {
965 struct sk_buff *skb;
966
967
968 if (pkt_len > copy_thresh) {
969 pci_unmap_single (np->pdev,
970 desc_to_dma(desc),
971 np->rx_buf_sz,
972 PCI_DMA_FROMDEVICE);
973 skb_put (skb = np->rx_skbuff[entry], pkt_len);
974 np->rx_skbuff[entry] = NULL;
975 } else if ((skb = netdev_alloc_skb_ip_align(dev, pkt_len))) {
976 pci_dma_sync_single_for_cpu(np->pdev,
977 desc_to_dma(desc),
978 np->rx_buf_sz,
979 PCI_DMA_FROMDEVICE);
980 skb_copy_to_linear_data (skb,
981 np->rx_skbuff[entry]->data,
982 pkt_len);
983 skb_put (skb, pkt_len);
984 pci_dma_sync_single_for_device(np->pdev,
985 desc_to_dma(desc),
986 np->rx_buf_sz,
987 PCI_DMA_FROMDEVICE);
988 }
989 skb->protocol = eth_type_trans (skb, dev);
990#if 0
991
992 if (np->pdev->pci_rev_id >= 0x0c &&
993 !(frame_status & (TCPError | UDPError | IPError))) {
994 skb->ip_summed = CHECKSUM_UNNECESSARY;
995 }
996#endif
997 netif_rx (skb);
998 }
999 entry = (entry + 1) % RX_RING_SIZE;
1000 }
1001 spin_lock(&np->rx_lock);
1002 np->cur_rx = entry;
1003
1004 entry = np->old_rx;
1005 while (entry != np->cur_rx) {
1006 struct sk_buff *skb;
1007
1008 if (np->rx_skbuff[entry] == NULL) {
1009 skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz);
1010 if (skb == NULL) {
1011 np->rx_ring[entry].fraginfo = 0;
1012 printk (KERN_INFO
1013 "%s: receive_packet: "
1014 "Unable to re-allocate Rx skbuff.#%d\n",
1015 dev->name, entry);
1016 break;
1017 }
1018 np->rx_skbuff[entry] = skb;
1019 np->rx_ring[entry].fraginfo =
1020 cpu_to_le64 (pci_map_single
1021 (np->pdev, skb->data, np->rx_buf_sz,
1022 PCI_DMA_FROMDEVICE));
1023 }
1024 np->rx_ring[entry].fraginfo |=
1025 cpu_to_le64((u64)np->rx_buf_sz << 48);
1026 np->rx_ring[entry].status = 0;
1027 entry = (entry + 1) % RX_RING_SIZE;
1028 }
1029 np->old_rx = entry;
1030 spin_unlock(&np->rx_lock);
1031 return 0;
1032}
1033
1034static void
1035rio_error (struct net_device *dev, int int_status)
1036{
1037 struct netdev_private *np = netdev_priv(dev);
1038 void __iomem *ioaddr = np->ioaddr;
1039 u16 macctrl;
1040
1041
1042 if (int_status & LinkEvent) {
1043 if (mii_wait_link (dev, 10) == 0) {
1044 printk (KERN_INFO "%s: Link up\n", dev->name);
1045 if (np->phy_media)
1046 mii_get_media_pcs (dev);
1047 else
1048 mii_get_media (dev);
1049 if (np->speed == 1000)
1050 np->tx_coalesce = tx_coalesce;
1051 else
1052 np->tx_coalesce = 1;
1053 macctrl = 0;
1054 macctrl |= (np->vlan) ? AutoVLANuntagging : 0;
1055 macctrl |= (np->full_duplex) ? DuplexSelect : 0;
1056 macctrl |= (np->tx_flow) ?
1057 TxFlowControlEnable : 0;
1058 macctrl |= (np->rx_flow) ?
1059 RxFlowControlEnable : 0;
1060 dw16(MACCtrl, macctrl);
1061 np->link_status = 1;
1062 netif_carrier_on(dev);
1063 } else {
1064 printk (KERN_INFO "%s: Link off\n", dev->name);
1065 np->link_status = 0;
1066 netif_carrier_off(dev);
1067 }
1068 }
1069
1070
1071 if (int_status & UpdateStats) {
1072 get_stats (dev);
1073 }
1074
1075
1076
1077 if (int_status & HostError) {
1078 printk (KERN_ERR "%s: HostError! IntStatus %4.4x.\n",
1079 dev->name, int_status);
1080 dw16(ASICCtrl + 2, GlobalReset | HostReset);
1081 mdelay (500);
1082 rio_set_led_mode(dev);
1083 }
1084}
1085
1086static struct net_device_stats *
1087get_stats (struct net_device *dev)
1088{
1089 struct netdev_private *np = netdev_priv(dev);
1090 void __iomem *ioaddr = np->ioaddr;
1091#ifdef MEM_MAPPING
1092 int i;
1093#endif
1094 unsigned int stat_reg;
1095
1096
1097
1098
1099 np->stats.rx_packets += dr32(FramesRcvOk);
1100 np->stats.tx_packets += dr32(FramesXmtOk);
1101 np->stats.rx_bytes += dr32(OctetRcvOk);
1102 np->stats.tx_bytes += dr32(OctetXmtOk);
1103
1104 np->stats.multicast = dr32(McstFramesRcvdOk);
1105 np->stats.collisions += dr32(SingleColFrames)
1106 + dr32(MultiColFrames);
1107
1108
1109 stat_reg = dr16(FramesAbortXSColls);
1110 np->stats.tx_aborted_errors += stat_reg;
1111 np->stats.tx_errors += stat_reg;
1112
1113 stat_reg = dr16(CarrierSenseErrors);
1114 np->stats.tx_carrier_errors += stat_reg;
1115 np->stats.tx_errors += stat_reg;
1116
1117
1118 dr32(McstOctetXmtOk);
1119 dr16(BcstFramesXmtdOk);
1120 dr32(McstFramesXmtdOk);
1121 dr16(BcstFramesRcvdOk);
1122 dr16(MacControlFramesRcvd);
1123 dr16(FrameTooLongErrors);
1124 dr16(InRangeLengthErrors);
1125 dr16(FramesCheckSeqErrors);
1126 dr16(FramesLostRxErrors);
1127 dr32(McstOctetXmtOk);
1128 dr32(BcstOctetXmtOk);
1129 dr32(McstFramesXmtdOk);
1130 dr32(FramesWDeferredXmt);
1131 dr32(LateCollisions);
1132 dr16(BcstFramesXmtdOk);
1133 dr16(MacControlFramesXmtd);
1134 dr16(FramesWEXDeferal);
1135
1136#ifdef MEM_MAPPING
1137 for (i = 0x100; i <= 0x150; i += 4)
1138 dr32(i);
1139#endif
1140 dr16(TxJumboFrames);
1141 dr16(RxJumboFrames);
1142 dr16(TCPCheckSumErrors);
1143 dr16(UDPCheckSumErrors);
1144 dr16(IPCheckSumErrors);
1145 return &np->stats;
1146}
1147
1148static int
1149clear_stats (struct net_device *dev)
1150{
1151 struct netdev_private *np = netdev_priv(dev);
1152 void __iomem *ioaddr = np->ioaddr;
1153#ifdef MEM_MAPPING
1154 int i;
1155#endif
1156
1157
1158
1159 dr32(FramesRcvOk);
1160 dr32(FramesXmtOk);
1161 dr32(OctetRcvOk);
1162 dr32(OctetXmtOk);
1163
1164 dr32(McstFramesRcvdOk);
1165 dr32(SingleColFrames);
1166 dr32(MultiColFrames);
1167 dr32(LateCollisions);
1168
1169 dr16(FrameTooLongErrors);
1170 dr16(InRangeLengthErrors);
1171 dr16(FramesCheckSeqErrors);
1172 dr16(FramesLostRxErrors);
1173
1174
1175 dr16(FramesAbortXSColls);
1176 dr16(CarrierSenseErrors);
1177
1178
1179 dr32(McstOctetXmtOk);
1180 dr16(BcstFramesXmtdOk);
1181 dr32(McstFramesXmtdOk);
1182 dr16(BcstFramesRcvdOk);
1183 dr16(MacControlFramesRcvd);
1184 dr32(McstOctetXmtOk);
1185 dr32(BcstOctetXmtOk);
1186 dr32(McstFramesXmtdOk);
1187 dr32(FramesWDeferredXmt);
1188 dr16(BcstFramesXmtdOk);
1189 dr16(MacControlFramesXmtd);
1190 dr16(FramesWEXDeferal);
1191#ifdef MEM_MAPPING
1192 for (i = 0x100; i <= 0x150; i += 4)
1193 dr32(i);
1194#endif
1195 dr16(TxJumboFrames);
1196 dr16(RxJumboFrames);
1197 dr16(TCPCheckSumErrors);
1198 dr16(UDPCheckSumErrors);
1199 dr16(IPCheckSumErrors);
1200 return 0;
1201}
1202
1203static void
1204set_multicast (struct net_device *dev)
1205{
1206 struct netdev_private *np = netdev_priv(dev);
1207 void __iomem *ioaddr = np->ioaddr;
1208 u32 hash_table[2];
1209 u16 rx_mode = 0;
1210
1211 hash_table[0] = hash_table[1] = 0;
1212
1213 hash_table[1] |= 0x02000000;
1214 if (dev->flags & IFF_PROMISC) {
1215
1216 rx_mode = ReceiveAllFrames;
1217 } else if ((dev->flags & IFF_ALLMULTI) ||
1218 (netdev_mc_count(dev) > multicast_filter_limit)) {
1219
1220 rx_mode = ReceiveBroadcast | ReceiveMulticast | ReceiveUnicast;
1221 } else if (!netdev_mc_empty(dev)) {
1222 struct netdev_hw_addr *ha;
1223
1224
1225 rx_mode =
1226 ReceiveBroadcast | ReceiveMulticastHash | ReceiveUnicast;
1227 netdev_for_each_mc_addr(ha, dev) {
1228 int bit, index = 0;
1229 int crc = ether_crc_le(ETH_ALEN, ha->addr);
1230
1231
1232 for (bit = 0; bit < 6; bit++)
1233 if (crc & (1 << (31 - bit)))
1234 index |= (1 << bit);
1235 hash_table[index / 32] |= (1 << (index % 32));
1236 }
1237 } else {
1238 rx_mode = ReceiveBroadcast | ReceiveUnicast;
1239 }
1240 if (np->vlan) {
1241
1242 rx_mode |= ReceiveVLANMatch;
1243 }
1244
1245 dw32(HashTable0, hash_table[0]);
1246 dw32(HashTable1, hash_table[1]);
1247 dw16(ReceiveMode, rx_mode);
1248}
1249
1250static void rio_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
1251{
1252 struct netdev_private *np = netdev_priv(dev);
1253
1254 strlcpy(info->driver, "dl2k", sizeof(info->driver));
1255 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
1256 strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
1257}
1258
1259static int rio_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1260{
1261 struct netdev_private *np = netdev_priv(dev);
1262 if (np->phy_media) {
1263
1264 cmd->supported = SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1265 cmd->advertising= ADVERTISED_Autoneg | ADVERTISED_FIBRE;
1266 cmd->port = PORT_FIBRE;
1267 cmd->transceiver = XCVR_INTERNAL;
1268 } else {
1269
1270 cmd->supported = SUPPORTED_10baseT_Half |
1271 SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half
1272 | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full |
1273 SUPPORTED_Autoneg | SUPPORTED_MII;
1274 cmd->advertising = ADVERTISED_10baseT_Half |
1275 ADVERTISED_10baseT_Full | ADVERTISED_100baseT_Half |
1276 ADVERTISED_100baseT_Full | ADVERTISED_1000baseT_Full|
1277 ADVERTISED_Autoneg | ADVERTISED_MII;
1278 cmd->port = PORT_MII;
1279 cmd->transceiver = XCVR_INTERNAL;
1280 }
1281 if ( np->link_status ) {
1282 ethtool_cmd_speed_set(cmd, np->speed);
1283 cmd->duplex = np->full_duplex ? DUPLEX_FULL : DUPLEX_HALF;
1284 } else {
1285 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
1286 cmd->duplex = DUPLEX_UNKNOWN;
1287 }
1288 if ( np->an_enable)
1289 cmd->autoneg = AUTONEG_ENABLE;
1290 else
1291 cmd->autoneg = AUTONEG_DISABLE;
1292
1293 cmd->phy_address = np->phy_addr;
1294 return 0;
1295}
1296
1297static int rio_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1298{
1299 struct netdev_private *np = netdev_priv(dev);
1300 netif_carrier_off(dev);
1301 if (cmd->autoneg == AUTONEG_ENABLE) {
1302 if (np->an_enable)
1303 return 0;
1304 else {
1305 np->an_enable = 1;
1306 mii_set_media(dev);
1307 return 0;
1308 }
1309 } else {
1310 np->an_enable = 0;
1311 if (np->speed == 1000) {
1312 ethtool_cmd_speed_set(cmd, SPEED_100);
1313 cmd->duplex = DUPLEX_FULL;
1314 printk("Warning!! Can't disable Auto negotiation in 1000Mbps, change to Manual 100Mbps, Full duplex.\n");
1315 }
1316 switch (ethtool_cmd_speed(cmd)) {
1317 case SPEED_10:
1318 np->speed = 10;
1319 np->full_duplex = (cmd->duplex == DUPLEX_FULL);
1320 break;
1321 case SPEED_100:
1322 np->speed = 100;
1323 np->full_duplex = (cmd->duplex == DUPLEX_FULL);
1324 break;
1325 case SPEED_1000:
1326 default:
1327 return -EINVAL;
1328 }
1329 mii_set_media(dev);
1330 }
1331 return 0;
1332}
1333
1334static u32 rio_get_link(struct net_device *dev)
1335{
1336 struct netdev_private *np = netdev_priv(dev);
1337 return np->link_status;
1338}
1339
1340static const struct ethtool_ops ethtool_ops = {
1341 .get_drvinfo = rio_get_drvinfo,
1342 .get_settings = rio_get_settings,
1343 .set_settings = rio_set_settings,
1344 .get_link = rio_get_link,
1345};
1346
1347static int
1348rio_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
1349{
1350 int phy_addr;
1351 struct netdev_private *np = netdev_priv(dev);
1352 struct mii_ioctl_data *miidata = if_mii(rq);
1353
1354 phy_addr = np->phy_addr;
1355 switch (cmd) {
1356 case SIOCGMIIPHY:
1357 miidata->phy_id = phy_addr;
1358 break;
1359 case SIOCGMIIREG:
1360 miidata->val_out = mii_read (dev, phy_addr, miidata->reg_num);
1361 break;
1362 case SIOCSMIIREG:
1363 if (!capable(CAP_NET_ADMIN))
1364 return -EPERM;
1365 mii_write (dev, phy_addr, miidata->reg_num, miidata->val_in);
1366 break;
1367 default:
1368 return -EOPNOTSUPP;
1369 }
1370 return 0;
1371}
1372
1373#define EEP_READ 0x0200
1374#define EEP_BUSY 0x8000
1375
1376
1377static int read_eeprom(struct netdev_private *np, int eep_addr)
1378{
1379 void __iomem *ioaddr = np->eeprom_addr;
1380 int i = 1000;
1381
1382 dw16(EepromCtrl, EEP_READ | (eep_addr & 0xff));
1383 while (i-- > 0) {
1384 if (!(dr16(EepromCtrl) & EEP_BUSY))
1385 return dr16(EepromData);
1386 }
1387 return 0;
1388}
1389
1390enum phy_ctrl_bits {
1391 MII_READ = 0x00, MII_CLK = 0x01, MII_DATA1 = 0x02, MII_WRITE = 0x04,
1392 MII_DUPLEX = 0x08,
1393};
1394
1395#define mii_delay() dr8(PhyCtrl)
1396static void
1397mii_sendbit (struct net_device *dev, u32 data)
1398{
1399 struct netdev_private *np = netdev_priv(dev);
1400 void __iomem *ioaddr = np->ioaddr;
1401
1402 data = ((data) ? MII_DATA1 : 0) | (dr8(PhyCtrl) & 0xf8) | MII_WRITE;
1403 dw8(PhyCtrl, data);
1404 mii_delay ();
1405 dw8(PhyCtrl, data | MII_CLK);
1406 mii_delay ();
1407}
1408
1409static int
1410mii_getbit (struct net_device *dev)
1411{
1412 struct netdev_private *np = netdev_priv(dev);
1413 void __iomem *ioaddr = np->ioaddr;
1414 u8 data;
1415
1416 data = (dr8(PhyCtrl) & 0xf8) | MII_READ;
1417 dw8(PhyCtrl, data);
1418 mii_delay ();
1419 dw8(PhyCtrl, data | MII_CLK);
1420 mii_delay ();
1421 return (dr8(PhyCtrl) >> 1) & 1;
1422}
1423
1424static void
1425mii_send_bits (struct net_device *dev, u32 data, int len)
1426{
1427 int i;
1428
1429 for (i = len - 1; i >= 0; i--) {
1430 mii_sendbit (dev, data & (1 << i));
1431 }
1432}
1433
1434static int
1435mii_read (struct net_device *dev, int phy_addr, int reg_num)
1436{
1437 u32 cmd;
1438 int i;
1439 u32 retval = 0;
1440
1441
1442 mii_send_bits (dev, 0xffffffff, 32);
1443
1444
1445 cmd = (0x06 << 10 | phy_addr << 5 | reg_num);
1446 mii_send_bits (dev, cmd, 14);
1447
1448 if (mii_getbit (dev))
1449 goto err_out;
1450
1451 for (i = 0; i < 16; i++) {
1452 retval |= mii_getbit (dev);
1453 retval <<= 1;
1454 }
1455
1456 mii_getbit (dev);
1457 return (retval >> 1) & 0xffff;
1458
1459 err_out:
1460 return 0;
1461}
1462static int
1463mii_write (struct net_device *dev, int phy_addr, int reg_num, u16 data)
1464{
1465 u32 cmd;
1466
1467
1468 mii_send_bits (dev, 0xffffffff, 32);
1469
1470
1471 cmd = (0x5002 << 16) | (phy_addr << 23) | (reg_num << 18) | data;
1472 mii_send_bits (dev, cmd, 32);
1473
1474 mii_getbit (dev);
1475 return 0;
1476}
1477static int
1478mii_wait_link (struct net_device *dev, int wait)
1479{
1480 __u16 bmsr;
1481 int phy_addr;
1482 struct netdev_private *np;
1483
1484 np = netdev_priv(dev);
1485 phy_addr = np->phy_addr;
1486
1487 do {
1488 bmsr = mii_read (dev, phy_addr, MII_BMSR);
1489 if (bmsr & BMSR_LSTATUS)
1490 return 0;
1491 mdelay (1);
1492 } while (--wait > 0);
1493 return -1;
1494}
1495static int
1496mii_get_media (struct net_device *dev)
1497{
1498 __u16 negotiate;
1499 __u16 bmsr;
1500 __u16 mscr;
1501 __u16 mssr;
1502 int phy_addr;
1503 struct netdev_private *np;
1504
1505 np = netdev_priv(dev);
1506 phy_addr = np->phy_addr;
1507
1508 bmsr = mii_read (dev, phy_addr, MII_BMSR);
1509 if (np->an_enable) {
1510 if (!(bmsr & BMSR_ANEGCOMPLETE)) {
1511
1512 return -1;
1513 }
1514 negotiate = mii_read (dev, phy_addr, MII_ADVERTISE) &
1515 mii_read (dev, phy_addr, MII_LPA);
1516 mscr = mii_read (dev, phy_addr, MII_CTRL1000);
1517 mssr = mii_read (dev, phy_addr, MII_STAT1000);
1518 if (mscr & ADVERTISE_1000FULL && mssr & LPA_1000FULL) {
1519 np->speed = 1000;
1520 np->full_duplex = 1;
1521 printk (KERN_INFO "Auto 1000 Mbps, Full duplex\n");
1522 } else if (mscr & ADVERTISE_1000HALF && mssr & LPA_1000HALF) {
1523 np->speed = 1000;
1524 np->full_duplex = 0;
1525 printk (KERN_INFO "Auto 1000 Mbps, Half duplex\n");
1526 } else if (negotiate & ADVERTISE_100FULL) {
1527 np->speed = 100;
1528 np->full_duplex = 1;
1529 printk (KERN_INFO "Auto 100 Mbps, Full duplex\n");
1530 } else if (negotiate & ADVERTISE_100HALF) {
1531 np->speed = 100;
1532 np->full_duplex = 0;
1533 printk (KERN_INFO "Auto 100 Mbps, Half duplex\n");
1534 } else if (negotiate & ADVERTISE_10FULL) {
1535 np->speed = 10;
1536 np->full_duplex = 1;
1537 printk (KERN_INFO "Auto 10 Mbps, Full duplex\n");
1538 } else if (negotiate & ADVERTISE_10HALF) {
1539 np->speed = 10;
1540 np->full_duplex = 0;
1541 printk (KERN_INFO "Auto 10 Mbps, Half duplex\n");
1542 }
1543 if (negotiate & ADVERTISE_PAUSE_CAP) {
1544 np->tx_flow &= 1;
1545 np->rx_flow &= 1;
1546 } else if (negotiate & ADVERTISE_PAUSE_ASYM) {
1547 np->tx_flow = 0;
1548 np->rx_flow &= 1;
1549 }
1550
1551 } else {
1552 __u16 bmcr = mii_read (dev, phy_addr, MII_BMCR);
1553 switch (bmcr & (BMCR_SPEED100 | BMCR_SPEED1000)) {
1554 case BMCR_SPEED1000:
1555 printk (KERN_INFO "Operating at 1000 Mbps, ");
1556 break;
1557 case BMCR_SPEED100:
1558 printk (KERN_INFO "Operating at 100 Mbps, ");
1559 break;
1560 case 0:
1561 printk (KERN_INFO "Operating at 10 Mbps, ");
1562 }
1563 if (bmcr & BMCR_FULLDPLX) {
1564 printk (KERN_CONT "Full duplex\n");
1565 } else {
1566 printk (KERN_CONT "Half duplex\n");
1567 }
1568 }
1569 if (np->tx_flow)
1570 printk(KERN_INFO "Enable Tx Flow Control\n");
1571 else
1572 printk(KERN_INFO "Disable Tx Flow Control\n");
1573 if (np->rx_flow)
1574 printk(KERN_INFO "Enable Rx Flow Control\n");
1575 else
1576 printk(KERN_INFO "Disable Rx Flow Control\n");
1577
1578 return 0;
1579}
1580
1581static int
1582mii_set_media (struct net_device *dev)
1583{
1584 __u16 pscr;
1585 __u16 bmcr;
1586 __u16 bmsr;
1587 __u16 anar;
1588 int phy_addr;
1589 struct netdev_private *np;
1590 np = netdev_priv(dev);
1591 phy_addr = np->phy_addr;
1592
1593
1594 if (np->an_enable) {
1595
1596 bmsr = mii_read (dev, phy_addr, MII_BMSR);
1597 anar = mii_read (dev, phy_addr, MII_ADVERTISE) &
1598 ~(ADVERTISE_100FULL | ADVERTISE_10FULL |
1599 ADVERTISE_100HALF | ADVERTISE_10HALF |
1600 ADVERTISE_100BASE4);
1601 if (bmsr & BMSR_100FULL)
1602 anar |= ADVERTISE_100FULL;
1603 if (bmsr & BMSR_100HALF)
1604 anar |= ADVERTISE_100HALF;
1605 if (bmsr & BMSR_100BASE4)
1606 anar |= ADVERTISE_100BASE4;
1607 if (bmsr & BMSR_10FULL)
1608 anar |= ADVERTISE_10FULL;
1609 if (bmsr & BMSR_10HALF)
1610 anar |= ADVERTISE_10HALF;
1611 anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1612 mii_write (dev, phy_addr, MII_ADVERTISE, anar);
1613
1614
1615 pscr = mii_read (dev, phy_addr, MII_PHY_SCR);
1616 pscr |= 3 << 5;
1617 mii_write (dev, phy_addr, MII_PHY_SCR, pscr);
1618
1619
1620 mii_write (dev, phy_addr, MII_BMCR, BMCR_RESET);
1621 bmcr = BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET;
1622 mii_write (dev, phy_addr, MII_BMCR, bmcr);
1623 mdelay(1);
1624 } else {
1625
1626
1627 pscr = mii_read (dev, phy_addr, MII_PHY_SCR);
1628 pscr &= ~(3 << 5);
1629 mii_write (dev, phy_addr, MII_PHY_SCR, pscr);
1630
1631
1632 bmcr = mii_read (dev, phy_addr, MII_BMCR);
1633 bmcr |= BMCR_RESET;
1634 mii_write (dev, phy_addr, MII_BMCR, bmcr);
1635
1636
1637 bmcr = 0x1940;
1638 mii_write (dev, phy_addr, MII_BMCR, bmcr);
1639 mdelay (100);
1640
1641
1642 mii_write (dev, phy_addr, MII_ADVERTISE, 0);
1643
1644
1645 bmcr = BMCR_PDOWN;
1646 if (np->speed == 100) {
1647 bmcr |= BMCR_SPEED100;
1648 printk (KERN_INFO "Manual 100 Mbps, ");
1649 } else if (np->speed == 10) {
1650 printk (KERN_INFO "Manual 10 Mbps, ");
1651 }
1652 if (np->full_duplex) {
1653 bmcr |= BMCR_FULLDPLX;
1654 printk (KERN_CONT "Full duplex\n");
1655 } else {
1656 printk (KERN_CONT "Half duplex\n");
1657 }
1658#if 0
1659
1660 mscr = mii_read (dev, phy_addr, MII_CTRL1000);
1661 mscr |= MII_MSCR_CFG_ENABLE;
1662 mscr &= ~MII_MSCR_CFG_VALUE = 0;
1663#endif
1664 mii_write (dev, phy_addr, MII_BMCR, bmcr);
1665 mdelay(10);
1666 }
1667 return 0;
1668}
1669
1670static int
1671mii_get_media_pcs (struct net_device *dev)
1672{
1673 __u16 negotiate;
1674 __u16 bmsr;
1675 int phy_addr;
1676 struct netdev_private *np;
1677
1678 np = netdev_priv(dev);
1679 phy_addr = np->phy_addr;
1680
1681 bmsr = mii_read (dev, phy_addr, PCS_BMSR);
1682 if (np->an_enable) {
1683 if (!(bmsr & BMSR_ANEGCOMPLETE)) {
1684
1685 return -1;
1686 }
1687 negotiate = mii_read (dev, phy_addr, PCS_ANAR) &
1688 mii_read (dev, phy_addr, PCS_ANLPAR);
1689 np->speed = 1000;
1690 if (negotiate & PCS_ANAR_FULL_DUPLEX) {
1691 printk (KERN_INFO "Auto 1000 Mbps, Full duplex\n");
1692 np->full_duplex = 1;
1693 } else {
1694 printk (KERN_INFO "Auto 1000 Mbps, half duplex\n");
1695 np->full_duplex = 0;
1696 }
1697 if (negotiate & PCS_ANAR_PAUSE) {
1698 np->tx_flow &= 1;
1699 np->rx_flow &= 1;
1700 } else if (negotiate & PCS_ANAR_ASYMMETRIC) {
1701 np->tx_flow = 0;
1702 np->rx_flow &= 1;
1703 }
1704
1705 } else {
1706 __u16 bmcr = mii_read (dev, phy_addr, PCS_BMCR);
1707 printk (KERN_INFO "Operating at 1000 Mbps, ");
1708 if (bmcr & BMCR_FULLDPLX) {
1709 printk (KERN_CONT "Full duplex\n");
1710 } else {
1711 printk (KERN_CONT "Half duplex\n");
1712 }
1713 }
1714 if (np->tx_flow)
1715 printk(KERN_INFO "Enable Tx Flow Control\n");
1716 else
1717 printk(KERN_INFO "Disable Tx Flow Control\n");
1718 if (np->rx_flow)
1719 printk(KERN_INFO "Enable Rx Flow Control\n");
1720 else
1721 printk(KERN_INFO "Disable Rx Flow Control\n");
1722
1723 return 0;
1724}
1725
1726static int
1727mii_set_media_pcs (struct net_device *dev)
1728{
1729 __u16 bmcr;
1730 __u16 esr;
1731 __u16 anar;
1732 int phy_addr;
1733 struct netdev_private *np;
1734 np = netdev_priv(dev);
1735 phy_addr = np->phy_addr;
1736
1737
1738 if (np->an_enable) {
1739
1740 esr = mii_read (dev, phy_addr, PCS_ESR);
1741 anar = mii_read (dev, phy_addr, MII_ADVERTISE) &
1742 ~PCS_ANAR_HALF_DUPLEX &
1743 ~PCS_ANAR_FULL_DUPLEX;
1744 if (esr & (MII_ESR_1000BT_HD | MII_ESR_1000BX_HD))
1745 anar |= PCS_ANAR_HALF_DUPLEX;
1746 if (esr & (MII_ESR_1000BT_FD | MII_ESR_1000BX_FD))
1747 anar |= PCS_ANAR_FULL_DUPLEX;
1748 anar |= PCS_ANAR_PAUSE | PCS_ANAR_ASYMMETRIC;
1749 mii_write (dev, phy_addr, MII_ADVERTISE, anar);
1750
1751
1752 mii_write (dev, phy_addr, MII_BMCR, BMCR_RESET);
1753 bmcr = BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET;
1754 mii_write (dev, phy_addr, MII_BMCR, bmcr);
1755 mdelay(1);
1756 } else {
1757
1758
1759 bmcr = BMCR_RESET;
1760 mii_write (dev, phy_addr, MII_BMCR, bmcr);
1761 mdelay(10);
1762 if (np->full_duplex) {
1763 bmcr = BMCR_FULLDPLX;
1764 printk (KERN_INFO "Manual full duplex\n");
1765 } else {
1766 bmcr = 0;
1767 printk (KERN_INFO "Manual half duplex\n");
1768 }
1769 mii_write (dev, phy_addr, MII_BMCR, bmcr);
1770 mdelay(10);
1771
1772
1773 mii_write (dev, phy_addr, MII_ADVERTISE, 0);
1774 }
1775 return 0;
1776}
1777
1778
1779static int
1780rio_close (struct net_device *dev)
1781{
1782 struct netdev_private *np = netdev_priv(dev);
1783 struct pci_dev *pdev = np->pdev;
1784
1785 netif_stop_queue (dev);
1786
1787 rio_hw_stop(dev);
1788
1789 free_irq(pdev->irq, dev);
1790 del_timer_sync (&np->timer);
1791
1792 free_list(dev);
1793
1794 return 0;
1795}
1796
1797static void
1798rio_remove1 (struct pci_dev *pdev)
1799{
1800 struct net_device *dev = pci_get_drvdata (pdev);
1801
1802 if (dev) {
1803 struct netdev_private *np = netdev_priv(dev);
1804
1805 unregister_netdev (dev);
1806 pci_free_consistent (pdev, RX_TOTAL_SIZE, np->rx_ring,
1807 np->rx_ring_dma);
1808 pci_free_consistent (pdev, TX_TOTAL_SIZE, np->tx_ring,
1809 np->tx_ring_dma);
1810#ifdef MEM_MAPPING
1811 pci_iounmap(pdev, np->ioaddr);
1812#endif
1813 pci_iounmap(pdev, np->eeprom_addr);
1814 free_netdev (dev);
1815 pci_release_regions (pdev);
1816 pci_disable_device (pdev);
1817 }
1818}
1819
1820#ifdef CONFIG_PM_SLEEP
1821static int rio_suspend(struct device *device)
1822{
1823 struct net_device *dev = dev_get_drvdata(device);
1824 struct netdev_private *np = netdev_priv(dev);
1825
1826 if (!netif_running(dev))
1827 return 0;
1828
1829 netif_device_detach(dev);
1830 del_timer_sync(&np->timer);
1831 rio_hw_stop(dev);
1832
1833 return 0;
1834}
1835
1836static int rio_resume(struct device *device)
1837{
1838 struct net_device *dev = dev_get_drvdata(device);
1839 struct netdev_private *np = netdev_priv(dev);
1840
1841 if (!netif_running(dev))
1842 return 0;
1843
1844 rio_reset_ring(np);
1845 rio_hw_init(dev);
1846 np->timer.expires = jiffies + 1 * HZ;
1847 add_timer(&np->timer);
1848 netif_device_attach(dev);
1849 dl2k_enable_int(np);
1850
1851 return 0;
1852}
1853
1854static SIMPLE_DEV_PM_OPS(rio_pm_ops, rio_suspend, rio_resume);
1855#define RIO_PM_OPS (&rio_pm_ops)
1856
1857#else
1858
1859#define RIO_PM_OPS NULL
1860
1861#endif
1862
1863static struct pci_driver rio_driver = {
1864 .name = "dl2k",
1865 .id_table = rio_pci_tbl,
1866 .probe = rio_probe1,
1867 .remove = rio_remove1,
1868 .driver.pm = RIO_PM_OPS,
1869};
1870
1871module_pci_driver(rio_driver);
1872
1873
1874
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