31ab4ab0796f47a3aeb66ed24e2c8729cbe61482
[linux-2.6.git] / drivers / net / sun3_82586.c
1 /*
2  * Sun3 i82586 Ethernet driver
3  *
4  * Cloned from ni52.c for the Sun3 by Sam Creasey (sammy@sammy.net)
5  *
6  * Original copyright follows:
7  * --------------------------
8  *
9  * net-3-driver for the NI5210 card (i82586 Ethernet chip)
10  *
11  * This is an extension to the Linux operating system, and is covered by the
12  * same Gnu Public License that covers that work.
13  *
14  * Alphacode 0.82 (96/09/29) for Linux 2.0.0 (or later)
15  * Copyrights (c) 1994,1995,1996 by M.Hipp (hippm@informatik.uni-tuebingen.de)
16  * --------------------------
17  *
18  * Consult ni52.c for further notes from the original driver.
19  *
20  * This incarnation currently supports the OBIO version of the i82586 chip
21  * used in certain sun3 models.  It should be fairly doable to expand this
22  * to support VME if I should every acquire such a board.
23  *
24  */
25
26 static int debuglevel = 0; /* debug-printk 0: off 1: a few 2: more */
27 static int automatic_resume = 0; /* experimental .. better should be zero */
28 static int rfdadd = 0; /* rfdadd=1 may be better for 8K MEM cards */
29 static int fifo=0x8;    /* don't change */
30
31 #include <linux/module.h>
32 #include <linux/kernel.h>
33 #include <linux/string.h>
34 #include <linux/errno.h>
35 #include <linux/ioport.h>
36 #include <linux/interrupt.h>
37 #include <linux/delay.h>
38 #include <linux/init.h>
39 #include <linux/bitops.h>
40 #include <asm/io.h>
41 #include <asm/idprom.h>
42 #include <asm/machines.h>
43 #include <asm/sun3mmu.h>
44 #include <asm/dvma.h>
45 #include <asm/byteorder.h>
46
47 #include <linux/netdevice.h>
48 #include <linux/etherdevice.h>
49 #include <linux/skbuff.h>
50
51 #include "sun3_82586.h"
52
53 #define DRV_NAME "sun3_82586"
54
55 #define DEBUG       /* debug on */
56 #define SYSBUSVAL 0 /* 16 Bit */
57 #define SUN3_82586_TOTAL_SIZE   PAGE_SIZE
58
59 #define sun3_attn586()  {*(volatile unsigned char *)(dev->base_addr) |= IEOB_ATTEN; *(volatile unsigned char *)(dev->base_addr) &= ~IEOB_ATTEN;}
60 #define sun3_reset586() {*(volatile unsigned char *)(dev->base_addr) = 0; udelay(100); *(volatile unsigned char *)(dev->base_addr) = IEOB_NORSET;}
61 #define sun3_disint()   {*(volatile unsigned char *)(dev->base_addr) &= ~IEOB_IENAB;}
62 #define sun3_enaint()   {*(volatile unsigned char *)(dev->base_addr) |= IEOB_IENAB;}
63 #define sun3_active()   {*(volatile unsigned char *)(dev->base_addr) |= (IEOB_IENAB|IEOB_ONAIR|IEOB_NORSET);}
64
65 #define make32(ptr16) (p->memtop + (swab16((unsigned short) (ptr16))) )
66 #define make24(ptr32) (char *)swab32(( ((unsigned long) (ptr32)) - p->base))
67 #define make16(ptr32) (swab16((unsigned short) ((unsigned long)(ptr32) - (unsigned long) p->memtop )))
68
69 /******************* how to calculate the buffers *****************************
70
71   * IMPORTANT NOTE: if you configure only one NUM_XMIT_BUFFS, the driver works
72   * --------------- in a different (more stable?) mode. Only in this mode it's
73   *                 possible to configure the driver with 'NO_NOPCOMMANDS'
74
75 sizeof(scp)=12; sizeof(scb)=16; sizeof(iscp)=8;
76 sizeof(scp)+sizeof(iscp)+sizeof(scb) = 36 = INIT
77 sizeof(rfd) = 24; sizeof(rbd) = 12;
78 sizeof(tbd) = 8; sizeof(transmit_cmd) = 16;
79 sizeof(nop_cmd) = 8;
80
81   * if you don't know the driver, better do not change these values: */
82
83 #define RECV_BUFF_SIZE 1536 /* slightly oversized */
84 #define XMIT_BUFF_SIZE 1536 /* slightly oversized */
85 #define NUM_XMIT_BUFFS 1    /* config for 32K shmem */
86 #define NUM_RECV_BUFFS_8 4 /* config for 32K shared mem */
87 #define NUM_RECV_BUFFS_16 9 /* config for 32K shared mem */
88 #define NUM_RECV_BUFFS_32 16 /* config for 32K shared mem */
89 #define NO_NOPCOMMANDS      /* only possible with NUM_XMIT_BUFFS=1 */
90
91 /**************************************************************************/
92
93 /* different DELAYs */
94 #define DELAY(x) mdelay(32 * x);
95 #define DELAY_16(); { udelay(16); }
96 #define DELAY_18(); { udelay(4); }
97
98 /* wait for command with timeout: */
99 #define WAIT_4_SCB_CMD() \
100 { int i; \
101   for(i=0;i<16384;i++) { \
102     if(!p->scb->cmd_cuc) break; \
103     DELAY_18(); \
104     if(i == 16383) { \
105       printk("%s: scb_cmd timed out: %04x,%04x .. disabling i82586!!\n",dev->name,p->scb->cmd_cuc,p->scb->cus); \
106        if(!p->reseted) { p->reseted = 1; sun3_reset586(); } } } }
107
108 #define WAIT_4_SCB_CMD_RUC() { int i; \
109   for(i=0;i<16384;i++) { \
110     if(!p->scb->cmd_ruc) break; \
111     DELAY_18(); \
112     if(i == 16383) { \
113       printk("%s: scb_cmd (ruc) timed out: %04x,%04x .. disabling i82586!!\n",dev->name,p->scb->cmd_ruc,p->scb->rus); \
114        if(!p->reseted) { p->reseted = 1; sun3_reset586(); } } } }
115
116 #define WAIT_4_STAT_COMPL(addr) { int i; \
117    for(i=0;i<32767;i++) { \
118      if(swab16((addr)->cmd_status) & STAT_COMPL) break; \
119      DELAY_16(); DELAY_16(); } }
120
121 static int     sun3_82586_probe1(struct net_device *dev,int ioaddr);
122 static irqreturn_t sun3_82586_interrupt(int irq,void *dev_id);
123 static int     sun3_82586_open(struct net_device *dev);
124 static int     sun3_82586_close(struct net_device *dev);
125 static int     sun3_82586_send_packet(struct sk_buff *,struct net_device *);
126 static struct  net_device_stats *sun3_82586_get_stats(struct net_device *dev);
127 static void    set_multicast_list(struct net_device *dev);
128 static void    sun3_82586_timeout(struct net_device *dev);
129 #if 0
130 static void    sun3_82586_dump(struct net_device *,void *);
131 #endif
132
133 /* helper-functions */
134 static int     init586(struct net_device *dev);
135 static int     check586(struct net_device *dev,char *where,unsigned size);
136 static void    alloc586(struct net_device *dev);
137 static void    startrecv586(struct net_device *dev);
138 static void   *alloc_rfa(struct net_device *dev,void *ptr);
139 static void    sun3_82586_rcv_int(struct net_device *dev);
140 static void    sun3_82586_xmt_int(struct net_device *dev);
141 static void    sun3_82586_rnr_int(struct net_device *dev);
142
143 struct priv
144 {
145         struct net_device_stats stats;
146         unsigned long base;
147         char *memtop;
148         long int lock;
149         int reseted;
150         volatile struct rfd_struct      *rfd_last,*rfd_top,*rfd_first;
151         volatile struct scp_struct      *scp;   /* volatile is important */
152         volatile struct iscp_struct     *iscp;  /* volatile is important */
153         volatile struct scb_struct      *scb;   /* volatile is important */
154         volatile struct tbd_struct      *xmit_buffs[NUM_XMIT_BUFFS];
155         volatile struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS];
156 #if (NUM_XMIT_BUFFS == 1)
157         volatile struct nop_cmd_struct *nop_cmds[2];
158 #else
159         volatile struct nop_cmd_struct *nop_cmds[NUM_XMIT_BUFFS];
160 #endif
161         volatile int            nop_point,num_recv_buffs;
162         volatile char           *xmit_cbuffs[NUM_XMIT_BUFFS];
163         volatile int            xmit_count,xmit_last;
164 };
165
166 /**********************************************
167  * close device
168  */
169 static int sun3_82586_close(struct net_device *dev)
170 {
171         free_irq(dev->irq, dev);
172
173         sun3_reset586(); /* the hard way to stop the receiver */
174
175         netif_stop_queue(dev);
176
177         return 0;
178 }
179
180 /**********************************************
181  * open device
182  */
183 static int sun3_82586_open(struct net_device *dev)
184 {
185         int ret;
186
187         sun3_disint();
188         alloc586(dev);
189         init586(dev);
190         startrecv586(dev);
191         sun3_enaint();
192
193         ret = request_irq(dev->irq, sun3_82586_interrupt,0,dev->name,dev);
194         if (ret)
195         {
196                 sun3_reset586();
197                 return ret;
198         }
199
200         netif_start_queue(dev);
201
202         return 0; /* most done by init */
203 }
204
205 /**********************************************
206  * Check to see if there's an 82586 out there.
207  */
208 static int check586(struct net_device *dev,char *where,unsigned size)
209 {
210         struct priv pb;
211         struct priv *p = &pb;
212         char *iscp_addr;
213         int i;
214
215         p->base = (unsigned long) dvma_btov(0);
216         p->memtop = (char *)dvma_btov((unsigned long)where);
217         p->scp = (struct scp_struct *)(p->base + SCP_DEFAULT_ADDRESS);
218         memset((char *)p->scp,0, sizeof(struct scp_struct));
219         for(i=0;i<sizeof(struct scp_struct);i++) /* memory was writeable? */
220                 if(((char *)p->scp)[i])
221                         return 0;
222         p->scp->sysbus = SYSBUSVAL;                             /* 1 = 8Bit-Bus, 0 = 16 Bit */
223         if(p->scp->sysbus != SYSBUSVAL)
224                 return 0;
225
226         iscp_addr = (char *)dvma_btov((unsigned long)where);
227
228         p->iscp = (struct iscp_struct *) iscp_addr;
229         memset((char *)p->iscp,0, sizeof(struct iscp_struct));
230
231         p->scp->iscp = make24(p->iscp);
232         p->iscp->busy = 1;
233
234         sun3_reset586();
235         sun3_attn586();
236         DELAY(1);       /* wait a while... */
237
238         if(p->iscp->busy) /* i82586 clears 'busy' after successful init */
239                 return 0;
240
241         return 1;
242 }
243
244 /******************************************************************
245  * set iscp at the right place, called by sun3_82586_probe1 and open586.
246  */
247 static void alloc586(struct net_device *dev)
248 {
249         struct priv *p = netdev_priv(dev);
250
251         sun3_reset586();
252         DELAY(1);
253
254         p->scp  = (struct scp_struct *) (p->base + SCP_DEFAULT_ADDRESS);
255         p->iscp = (struct iscp_struct *) dvma_btov(dev->mem_start);
256         p->scb  = (struct scb_struct *)  ((char *)p->iscp + sizeof(struct iscp_struct));
257
258         memset((char *) p->iscp,0,sizeof(struct iscp_struct));
259         memset((char *) p->scp ,0,sizeof(struct scp_struct));
260
261         p->scp->iscp = make24(p->iscp);
262         p->scp->sysbus = SYSBUSVAL;
263         p->iscp->scb_offset = make16(p->scb);
264         p->iscp->scb_base = make24(dvma_btov(dev->mem_start));
265
266         p->iscp->busy = 1;
267         sun3_reset586();
268         sun3_attn586();
269
270         DELAY(1);
271
272         if(p->iscp->busy)
273                 printk("%s: Init-Problems (alloc).\n",dev->name);
274
275         p->reseted = 0;
276
277         memset((char *)p->scb,0,sizeof(struct scb_struct));
278 }
279
280 struct net_device * __init sun3_82586_probe(int unit)
281 {
282         struct net_device *dev;
283         unsigned long ioaddr;
284         static int found = 0;
285         int err = -ENOMEM;
286
287         /* check that this machine has an onboard 82586 */
288         switch(idprom->id_machtype) {
289         case SM_SUN3|SM_3_160:
290         case SM_SUN3|SM_3_260:
291                 /* these machines have 82586 */
292                 break;
293
294         default:
295                 return ERR_PTR(-ENODEV);
296         }
297
298         if (found)
299                 return ERR_PTR(-ENODEV);
300
301         ioaddr = (unsigned long)ioremap(IE_OBIO, SUN3_82586_TOTAL_SIZE);
302         if (!ioaddr)
303                 return ERR_PTR(-ENOMEM);
304         found = 1;
305
306         dev = alloc_etherdev(sizeof(struct priv));
307         if (!dev)
308                 goto out;
309         if (unit >= 0) {
310                 sprintf(dev->name, "eth%d", unit);
311                 netdev_boot_setup_check(dev);
312         }
313
314         dev->irq = IE_IRQ;
315         dev->base_addr = ioaddr;
316         err = sun3_82586_probe1(dev, ioaddr);
317         if (err)
318                 goto out1;
319         err = register_netdev(dev);
320         if (err)
321                 goto out2;
322         return dev;
323
324 out2:
325         release_region(ioaddr, SUN3_82586_TOTAL_SIZE);
326 out1:
327         free_netdev(dev);
328 out:
329         iounmap((void __iomem *)ioaddr);
330         return ERR_PTR(err);
331 }
332
333 static const struct net_device_ops sun3_82586_netdev_ops = {
334         .ndo_open               = sun3_82586_open,
335         .ndo_stop               = sun3_82586_close,
336         .ndo_start_xmit         = sun3_82586_send_packet,
337         .ndo_set_multicast_list = set_multicast_list,
338         .ndo_tx_timeout         = sun3_82586_timeout,
339         .ndo_get_stats          = sun3_82586_get_stats,
340         .ndo_validate_addr      = eth_validate_addr,
341         .ndo_set_mac_address    = eth_mac_addr,
342         .ndo_change_mtu         = eth_change_mtu,
343 };
344
345 static int __init sun3_82586_probe1(struct net_device *dev,int ioaddr)
346 {
347         int i, size, retval;
348
349         if (!request_region(ioaddr, SUN3_82586_TOTAL_SIZE, DRV_NAME))
350                 return -EBUSY;
351
352         /* copy in the ethernet address from the prom */
353         for(i = 0; i < 6 ; i++)
354              dev->dev_addr[i] = idprom->id_ethaddr[i];
355
356         printk("%s: SUN3 Intel 82586 found at %lx, ",dev->name,dev->base_addr);
357
358         /*
359          * check (or search) IO-Memory, 32K
360          */
361         size = 0x8000;
362
363         dev->mem_start = (unsigned long)dvma_malloc_align(0x8000, 0x1000);
364         dev->mem_end = dev->mem_start + size;
365
366         if(size != 0x2000 && size != 0x4000 && size != 0x8000) {
367                 printk("\n%s: Illegal memory size %d. Allowed is 0x2000 or 0x4000 or 0x8000 bytes.\n",dev->name,size);
368                 retval = -ENODEV;
369                 goto out;
370         }
371         if(!check586(dev,(char *) dev->mem_start,size)) {
372                 printk("?memcheck, Can't find memory at 0x%lx with size %d!\n",dev->mem_start,size);
373                 retval = -ENODEV;
374                 goto out;
375         }
376
377         ((struct priv *)netdev_priv(dev))->memtop =
378                                         (char *)dvma_btov(dev->mem_start);
379         ((struct priv *)netdev_priv(dev))->base = (unsigned long) dvma_btov(0);
380         alloc586(dev);
381
382         /* set number of receive-buffs according to memsize */
383         if(size == 0x2000)
384                 ((struct priv *)netdev_priv(dev))->num_recv_buffs =
385                                                         NUM_RECV_BUFFS_8;
386         else if(size == 0x4000)
387                 ((struct priv *)netdev_priv(dev))->num_recv_buffs =
388                                                         NUM_RECV_BUFFS_16;
389         else
390                 ((struct priv *)netdev_priv(dev))->num_recv_buffs =
391                                                         NUM_RECV_BUFFS_32;
392
393         printk("Memaddr: 0x%lx, Memsize: %d, IRQ %d\n",dev->mem_start,size, dev->irq);
394
395         dev->netdev_ops         = &sun3_82586_netdev_ops;
396         dev->watchdog_timeo     = HZ/20;
397
398         dev->if_port            = 0;
399         return 0;
400 out:
401         release_region(ioaddr, SUN3_82586_TOTAL_SIZE);
402         return retval;
403 }
404
405
406 static int init586(struct net_device *dev)
407 {
408         void *ptr;
409         int i,result=0;
410         struct priv *p = netdev_priv(dev);
411         volatile struct configure_cmd_struct    *cfg_cmd;
412         volatile struct iasetup_cmd_struct *ias_cmd;
413         volatile struct tdr_cmd_struct *tdr_cmd;
414         volatile struct mcsetup_cmd_struct *mc_cmd;
415         struct netdev_hw_addr *ha;
416         int num_addrs=netdev_mc_count(dev);
417
418         ptr = (void *) ((char *)p->scb + sizeof(struct scb_struct));
419
420         cfg_cmd = (struct configure_cmd_struct *)ptr; /* configure-command */
421         cfg_cmd->cmd_status     = 0;
422         cfg_cmd->cmd_cmd        = swab16(CMD_CONFIGURE | CMD_LAST);
423         cfg_cmd->cmd_link       = 0xffff;
424
425         cfg_cmd->byte_cnt       = 0x0a; /* number of cfg bytes */
426         cfg_cmd->fifo           = fifo; /* fifo-limit (8=tx:32/rx:64) */
427         cfg_cmd->sav_bf         = 0x40; /* hold or discard bad recv frames (bit 7) */
428         cfg_cmd->adr_len        = 0x2e; /* addr_len |!src_insert |pre-len |loopback */
429         cfg_cmd->priority       = 0x00;
430         cfg_cmd->ifs            = 0x60;
431         cfg_cmd->time_low       = 0x00;
432         cfg_cmd->time_high      = 0xf2;
433         cfg_cmd->promisc        = 0;
434         if(dev->flags & IFF_ALLMULTI) {
435                 int len = ((char *) p->iscp - (char *) ptr - 8) / 6;
436                 if(num_addrs > len)     {
437                         printk("%s: switching to promisc. mode\n",dev->name);
438                         cfg_cmd->promisc = 1;
439                 }
440         }
441         if(dev->flags&IFF_PROMISC)
442                 cfg_cmd->promisc = 1;
443         cfg_cmd->carr_coll      = 0x00;
444
445         p->scb->cbl_offset      = make16(cfg_cmd);
446         p->scb->cmd_ruc         = 0;
447
448         p->scb->cmd_cuc         = CUC_START; /* cmd.-unit start */
449         sun3_attn586();
450
451         WAIT_4_STAT_COMPL(cfg_cmd);
452
453         if((swab16(cfg_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != (STAT_COMPL|STAT_OK))
454         {
455                 printk("%s: configure command failed: %x\n",dev->name,swab16(cfg_cmd->cmd_status));
456                 return 1;
457         }
458
459         /*
460          * individual address setup
461          */
462
463         ias_cmd = (struct iasetup_cmd_struct *)ptr;
464
465         ias_cmd->cmd_status     = 0;
466         ias_cmd->cmd_cmd        = swab16(CMD_IASETUP | CMD_LAST);
467         ias_cmd->cmd_link       = 0xffff;
468
469         memcpy((char *)&ias_cmd->iaddr,(char *) dev->dev_addr,ETH_ALEN);
470
471         p->scb->cbl_offset = make16(ias_cmd);
472
473         p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
474         sun3_attn586();
475
476         WAIT_4_STAT_COMPL(ias_cmd);
477
478         if((swab16(ias_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != (STAT_OK|STAT_COMPL)) {
479                 printk("%s (82586): individual address setup command failed: %04x\n",dev->name,swab16(ias_cmd->cmd_status));
480                 return 1;
481         }
482
483         /*
484          * TDR, wire check .. e.g. no resistor e.t.c
485          */
486
487         tdr_cmd = (struct tdr_cmd_struct *)ptr;
488
489         tdr_cmd->cmd_status     = 0;
490         tdr_cmd->cmd_cmd        = swab16(CMD_TDR | CMD_LAST);
491         tdr_cmd->cmd_link       = 0xffff;
492         tdr_cmd->status         = 0;
493
494         p->scb->cbl_offset = make16(tdr_cmd);
495         p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
496         sun3_attn586();
497
498         WAIT_4_STAT_COMPL(tdr_cmd);
499
500         if(!(swab16(tdr_cmd->cmd_status) & STAT_COMPL))
501         {
502                 printk("%s: Problems while running the TDR.\n",dev->name);
503         }
504         else
505         {
506                 DELAY_16(); /* wait for result */
507                 result = swab16(tdr_cmd->status);
508
509                 p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
510                 sun3_attn586(); /* ack the interrupts */
511
512                 if(result & TDR_LNK_OK)
513                         ;
514                 else if(result & TDR_XCVR_PRB)
515                         printk("%s: TDR: Transceiver problem. Check the cable(s)!\n",dev->name);
516                 else if(result & TDR_ET_OPN)
517                         printk("%s: TDR: No correct termination %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
518                 else if(result & TDR_ET_SRT)
519                 {
520                         if (result & TDR_TIMEMASK) /* time == 0 -> strange :-) */
521                                 printk("%s: TDR: Detected a short circuit %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
522                 }
523                 else
524                         printk("%s: TDR: Unknown status %04x\n",dev->name,result);
525         }
526
527         /*
528          * Multicast setup
529          */
530         if(num_addrs && !(dev->flags & IFF_PROMISC) )
531         {
532                 mc_cmd = (struct mcsetup_cmd_struct *) ptr;
533                 mc_cmd->cmd_status = 0;
534                 mc_cmd->cmd_cmd = swab16(CMD_MCSETUP | CMD_LAST);
535                 mc_cmd->cmd_link = 0xffff;
536                 mc_cmd->mc_cnt = swab16(num_addrs * 6);
537
538                 i = 0;
539                 netdev_for_each_mc_addr(ha, dev)
540                         memcpy((char *) mc_cmd->mc_list[i++],
541                                ha->addr, ETH_ALEN);
542
543                 p->scb->cbl_offset = make16(mc_cmd);
544                 p->scb->cmd_cuc = CUC_START;
545                 sun3_attn586();
546
547                 WAIT_4_STAT_COMPL(mc_cmd);
548
549                 if( (swab16(mc_cmd->cmd_status) & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
550                         printk("%s: Can't apply multicast-address-list.\n",dev->name);
551         }
552
553         /*
554          * alloc nop/xmit-cmds
555          */
556 #if (NUM_XMIT_BUFFS == 1)
557         for(i=0;i<2;i++)
558         {
559                 p->nop_cmds[i]                  = (struct nop_cmd_struct *)ptr;
560                 p->nop_cmds[i]->cmd_cmd         = swab16(CMD_NOP);
561                 p->nop_cmds[i]->cmd_status      = 0;
562                 p->nop_cmds[i]->cmd_link        = make16((p->nop_cmds[i]));
563                 ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
564         }
565 #else
566         for(i=0;i<NUM_XMIT_BUFFS;i++)
567         {
568                 p->nop_cmds[i]                  = (struct nop_cmd_struct *)ptr;
569                 p->nop_cmds[i]->cmd_cmd         = swab16(CMD_NOP);
570                 p->nop_cmds[i]->cmd_status      = 0;
571                 p->nop_cmds[i]->cmd_link        = make16((p->nop_cmds[i]));
572                 ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
573         }
574 #endif
575
576         ptr = alloc_rfa(dev,(void *)ptr); /* init receive-frame-area */
577
578         /*
579          * alloc xmit-buffs / init xmit_cmds
580          */
581         for(i=0;i<NUM_XMIT_BUFFS;i++)
582         {
583                 p->xmit_cmds[i] = (struct transmit_cmd_struct *)ptr; /*transmit cmd/buff 0*/
584                 ptr = (char *) ptr + sizeof(struct transmit_cmd_struct);
585                 p->xmit_cbuffs[i] = (char *)ptr; /* char-buffs */
586                 ptr = (char *) ptr + XMIT_BUFF_SIZE;
587                 p->xmit_buffs[i] = (struct tbd_struct *)ptr; /* TBD */
588                 ptr = (char *) ptr + sizeof(struct tbd_struct);
589                 if((void *)ptr > (void *)dev->mem_end)
590                 {
591                         printk("%s: not enough shared-mem for your configuration!\n",dev->name);
592                         return 1;
593                 }
594                 memset((char *)(p->xmit_cmds[i]) ,0, sizeof(struct transmit_cmd_struct));
595                 memset((char *)(p->xmit_buffs[i]),0, sizeof(struct tbd_struct));
596                 p->xmit_cmds[i]->cmd_link = make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]);
597                 p->xmit_cmds[i]->cmd_status = swab16(STAT_COMPL);
598                 p->xmit_cmds[i]->cmd_cmd = swab16(CMD_XMIT | CMD_INT);
599                 p->xmit_cmds[i]->tbd_offset = make16((p->xmit_buffs[i]));
600                 p->xmit_buffs[i]->next = 0xffff;
601                 p->xmit_buffs[i]->buffer = make24((p->xmit_cbuffs[i]));
602         }
603
604         p->xmit_count = 0;
605         p->xmit_last    = 0;
606 #ifndef NO_NOPCOMMANDS
607         p->nop_point    = 0;
608 #endif
609
610          /*
611                 * 'start transmitter'
612                 */
613 #ifndef NO_NOPCOMMANDS
614         p->scb->cbl_offset = make16(p->nop_cmds[0]);
615         p->scb->cmd_cuc = CUC_START;
616         sun3_attn586();
617         WAIT_4_SCB_CMD();
618 #else
619         p->xmit_cmds[0]->cmd_link = make16(p->xmit_cmds[0]);
620         p->xmit_cmds[0]->cmd_cmd        = swab16(CMD_XMIT | CMD_SUSPEND | CMD_INT);
621 #endif
622
623         /*
624          * ack. interrupts
625          */
626         p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
627         sun3_attn586();
628         DELAY_16();
629
630         sun3_enaint();
631         sun3_active();
632
633         return 0;
634 }
635
636 /******************************************************
637  * This is a helper routine for sun3_82586_rnr_int() and init586().
638  * It sets up the Receive Frame Area (RFA).
639  */
640
641 static void *alloc_rfa(struct net_device *dev,void *ptr)
642 {
643         volatile struct rfd_struct *rfd = (struct rfd_struct *)ptr;
644         volatile struct rbd_struct *rbd;
645         int i;
646         struct priv *p = netdev_priv(dev);
647
648         memset((char *) rfd,0,sizeof(struct rfd_struct)*(p->num_recv_buffs+rfdadd));
649         p->rfd_first = rfd;
650
651         for(i = 0; i < (p->num_recv_buffs+rfdadd); i++) {
652                 rfd[i].next = make16(rfd + (i+1) % (p->num_recv_buffs+rfdadd) );
653                 rfd[i].rbd_offset = 0xffff;
654         }
655         rfd[p->num_recv_buffs-1+rfdadd].last = RFD_SUSP;         /* RU suspend */
656
657         ptr = (void *) (rfd + (p->num_recv_buffs + rfdadd) );
658
659         rbd = (struct rbd_struct *) ptr;
660         ptr = (void *) (rbd + p->num_recv_buffs);
661
662          /* clr descriptors */
663         memset((char *) rbd,0,sizeof(struct rbd_struct)*(p->num_recv_buffs));
664
665         for(i=0;i<p->num_recv_buffs;i++)
666         {
667                 rbd[i].next = make16((rbd + (i+1) % p->num_recv_buffs));
668                 rbd[i].size = swab16(RECV_BUFF_SIZE);
669                 rbd[i].buffer = make24(ptr);
670                 ptr = (char *) ptr + RECV_BUFF_SIZE;
671         }
672
673         p->rfd_top      = p->rfd_first;
674         p->rfd_last = p->rfd_first + (p->num_recv_buffs - 1 + rfdadd);
675
676         p->scb->rfa_offset              = make16(p->rfd_first);
677         p->rfd_first->rbd_offset        = make16(rbd);
678
679         return ptr;
680 }
681
682
683 /**************************************************
684  * Interrupt Handler ...
685  */
686
687 static irqreturn_t sun3_82586_interrupt(int irq,void *dev_id)
688 {
689         struct net_device *dev = dev_id;
690         unsigned short stat;
691         int cnt=0;
692         struct priv *p;
693
694         if (!dev) {
695                 printk ("sun3_82586-interrupt: irq %d for unknown device.\n",irq);
696                 return IRQ_NONE;
697         }
698         p = netdev_priv(dev);
699
700         if(debuglevel > 1)
701                 printk("I");
702
703         WAIT_4_SCB_CMD(); /* wait for last command      */
704
705         while((stat=p->scb->cus & STAT_MASK))
706         {
707                 p->scb->cmd_cuc = stat;
708                 sun3_attn586();
709
710                 if(stat & STAT_FR)       /* received a frame */
711                         sun3_82586_rcv_int(dev);
712
713                 if(stat & STAT_RNR) /* RU went 'not ready' */
714                 {
715                         printk("(R)");
716                         if(p->scb->rus & RU_SUSPEND) /* special case: RU_SUSPEND */
717                         {
718                                 WAIT_4_SCB_CMD();
719                                 p->scb->cmd_ruc = RUC_RESUME;
720                                 sun3_attn586();
721                                 WAIT_4_SCB_CMD_RUC();
722                         }
723                         else
724                         {
725                                 printk("%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->rus);
726                                 sun3_82586_rnr_int(dev);
727                         }
728                 }
729
730                 if(stat & STAT_CX)              /* command with I-bit set complete */
731                          sun3_82586_xmt_int(dev);
732
733 #ifndef NO_NOPCOMMANDS
734                 if(stat & STAT_CNA)     /* CU went 'not ready' */
735                 {
736                         if(netif_running(dev))
737                                 printk("%s: oops! CU has left active state. stat: %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->cus);
738                 }
739 #endif
740
741                 if(debuglevel > 1)
742                         printk("%d",cnt++);
743
744                 WAIT_4_SCB_CMD(); /* wait for ack. (sun3_82586_xmt_int can be faster than ack!!) */
745                 if(p->scb->cmd_cuc)      /* timed out? */
746                 {
747                         printk("%s: Acknowledge timed out.\n",dev->name);
748                         sun3_disint();
749                         break;
750                 }
751         }
752
753         if(debuglevel > 1)
754                 printk("i");
755         return IRQ_HANDLED;
756 }
757
758 /*******************************************************
759  * receive-interrupt
760  */
761
762 static void sun3_82586_rcv_int(struct net_device *dev)
763 {
764         int status,cnt=0;
765         unsigned short totlen;
766         struct sk_buff *skb;
767         struct rbd_struct *rbd;
768         struct priv *p = netdev_priv(dev);
769
770         if(debuglevel > 0)
771                 printk("R");
772
773         for(;(status = p->rfd_top->stat_high) & RFD_COMPL;)
774         {
775                         rbd = (struct rbd_struct *) make32(p->rfd_top->rbd_offset);
776
777                         if(status & RFD_OK) /* frame received without error? */
778                         {
779                                 if( (totlen = swab16(rbd->status)) & RBD_LAST) /* the first and the last buffer? */
780                                 {
781                                         totlen &= RBD_MASK; /* length of this frame */
782                                         rbd->status = 0;
783                                         skb = (struct sk_buff *) dev_alloc_skb(totlen+2);
784                                         if(skb != NULL)
785                                         {
786                                                 skb_reserve(skb,2);
787                                                 skb_put(skb,totlen);
788                                                 skb_copy_to_linear_data(skb,(char *) p->base+swab32((unsigned long) rbd->buffer),totlen);
789                                                 skb->protocol=eth_type_trans(skb,dev);
790                                                 netif_rx(skb);
791                                                 p->stats.rx_packets++;
792                                         }
793                                         else
794                                                 p->stats.rx_dropped++;
795                                 }
796                                 else
797                                 {
798                                         int rstat;
799                                                  /* free all RBD's until RBD_LAST is set */
800                                         totlen = 0;
801                                         while(!((rstat=swab16(rbd->status)) & RBD_LAST))
802                                         {
803                                                 totlen += rstat & RBD_MASK;
804                                                 if(!rstat)
805                                                 {
806                                                         printk("%s: Whoops .. no end mark in RBD list\n",dev->name);
807                                                         break;
808                                                 }
809                                                 rbd->status = 0;
810                                                 rbd = (struct rbd_struct *) make32(rbd->next);
811                                         }
812                                         totlen += rstat & RBD_MASK;
813                                         rbd->status = 0;
814                                         printk("%s: received oversized frame! length: %d\n",dev->name,totlen);
815                                         p->stats.rx_dropped++;
816                          }
817                 }
818                 else /* frame !(ok), only with 'save-bad-frames' */
819                 {
820                         printk("%s: oops! rfd-error-status: %04x\n",dev->name,status);
821                         p->stats.rx_errors++;
822                 }
823                 p->rfd_top->stat_high = 0;
824                 p->rfd_top->last = RFD_SUSP; /* maybe exchange by RFD_LAST */
825                 p->rfd_top->rbd_offset = 0xffff;
826                 p->rfd_last->last = 0;                          /* delete RFD_SUSP      */
827                 p->rfd_last = p->rfd_top;
828                 p->rfd_top = (struct rfd_struct *) make32(p->rfd_top->next); /* step to next RFD */
829                 p->scb->rfa_offset = make16(p->rfd_top);
830
831                 if(debuglevel > 0)
832                         printk("%d",cnt++);
833         }
834
835         if(automatic_resume)
836         {
837                 WAIT_4_SCB_CMD();
838                 p->scb->cmd_ruc = RUC_RESUME;
839                 sun3_attn586();
840                 WAIT_4_SCB_CMD_RUC();
841         }
842
843 #ifdef WAIT_4_BUSY
844         {
845                 int i;
846                 for(i=0;i<1024;i++)
847                 {
848                         if(p->rfd_top->status)
849                                 break;
850                         DELAY_16();
851                         if(i == 1023)
852                                 printk("%s: RU hasn't fetched next RFD (not busy/complete)\n",dev->name);
853                 }
854         }
855 #endif
856
857 #if 0
858         if(!at_least_one)
859         {
860                 int i;
861                 volatile struct rfd_struct *rfds=p->rfd_top;
862                 volatile struct rbd_struct *rbds;
863                 printk("%s: received a FC intr. without having a frame: %04x %d\n",dev->name,status,old_at_least);
864                 for(i=0;i< (p->num_recv_buffs+4);i++)
865                 {
866                         rbds = (struct rbd_struct *) make32(rfds->rbd_offset);
867                         printk("%04x:%04x ",rfds->status,rbds->status);
868                         rfds = (struct rfd_struct *) make32(rfds->next);
869                 }
870                 printk("\nerrs: %04x %04x stat: %04x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->status);
871                 printk("\nerrs: %04x %04x rus: %02x, cus: %02x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->rus,(int)p->scb->cus);
872         }
873         old_at_least = at_least_one;
874 #endif
875
876         if(debuglevel > 0)
877                 printk("r");
878 }
879
880 /**********************************************************
881  * handle 'Receiver went not ready'.
882  */
883
884 static void sun3_82586_rnr_int(struct net_device *dev)
885 {
886         struct priv *p = netdev_priv(dev);
887
888         p->stats.rx_errors++;
889
890         WAIT_4_SCB_CMD();               /* wait for the last cmd, WAIT_4_FULLSTAT?? */
891         p->scb->cmd_ruc = RUC_ABORT; /* usually the RU is in the 'no resource'-state .. abort it now. */
892         sun3_attn586();
893         WAIT_4_SCB_CMD_RUC();           /* wait for accept cmd. */
894
895         alloc_rfa(dev,(char *)p->rfd_first);
896 /* maybe add a check here, before restarting the RU */
897         startrecv586(dev); /* restart RU */
898
899         printk("%s: Receive-Unit restarted. Status: %04x\n",dev->name,p->scb->rus);
900
901 }
902
903 /**********************************************************
904  * handle xmit - interrupt
905  */
906
907 static void sun3_82586_xmt_int(struct net_device *dev)
908 {
909         int status;
910         struct priv *p = netdev_priv(dev);
911
912         if(debuglevel > 0)
913                 printk("X");
914
915         status = swab16(p->xmit_cmds[p->xmit_last]->cmd_status);
916         if(!(status & STAT_COMPL))
917                 printk("%s: strange .. xmit-int without a 'COMPLETE'\n",dev->name);
918
919         if(status & STAT_OK)
920         {
921                 p->stats.tx_packets++;
922                 p->stats.collisions += (status & TCMD_MAXCOLLMASK);
923         }
924         else
925         {
926                 p->stats.tx_errors++;
927                 if(status & TCMD_LATECOLL) {
928                         printk("%s: late collision detected.\n",dev->name);
929                         p->stats.collisions++;
930                 }
931                 else if(status & TCMD_NOCARRIER) {
932                         p->stats.tx_carrier_errors++;
933                         printk("%s: no carrier detected.\n",dev->name);
934                 }
935                 else if(status & TCMD_LOSTCTS)
936                         printk("%s: loss of CTS detected.\n",dev->name);
937                 else if(status & TCMD_UNDERRUN) {
938                         p->stats.tx_fifo_errors++;
939                         printk("%s: DMA underrun detected.\n",dev->name);
940                 }
941                 else if(status & TCMD_MAXCOLL) {
942                         printk("%s: Max. collisions exceeded.\n",dev->name);
943                         p->stats.collisions += 16;
944                 }
945         }
946
947 #if (NUM_XMIT_BUFFS > 1)
948         if( (++p->xmit_last) == NUM_XMIT_BUFFS)
949                 p->xmit_last = 0;
950 #endif
951         netif_wake_queue(dev);
952 }
953
954 /***********************************************************
955  * (re)start the receiver
956  */
957
958 static void startrecv586(struct net_device *dev)
959 {
960         struct priv *p = netdev_priv(dev);
961
962         WAIT_4_SCB_CMD();
963         WAIT_4_SCB_CMD_RUC();
964         p->scb->rfa_offset = make16(p->rfd_first);
965         p->scb->cmd_ruc = RUC_START;
966         sun3_attn586();         /* start cmd. */
967         WAIT_4_SCB_CMD_RUC();   /* wait for accept cmd. (no timeout!!) */
968 }
969
970 static void sun3_82586_timeout(struct net_device *dev)
971 {
972         struct priv *p = netdev_priv(dev);
973 #ifndef NO_NOPCOMMANDS
974         if(p->scb->cus & CU_ACTIVE) /* COMMAND-UNIT active? */
975         {
976                 netif_wake_queue(dev);
977 #ifdef DEBUG
978                 printk("%s: strange ... timeout with CU active?!?\n",dev->name);
979                 printk("%s: X0: %04x N0: %04x N1: %04x %d\n",dev->name,(int)swab16(p->xmit_cmds[0]->cmd_status),(int)swab16(p->nop_cmds[0]->cmd_status),(int)swab16(p->nop_cmds[1]->cmd_status),(int)p->nop_point);
980 #endif
981                 p->scb->cmd_cuc = CUC_ABORT;
982                 sun3_attn586();
983                 WAIT_4_SCB_CMD();
984                 p->scb->cbl_offset = make16(p->nop_cmds[p->nop_point]);
985                 p->scb->cmd_cuc = CUC_START;
986                 sun3_attn586();
987                 WAIT_4_SCB_CMD();
988                 dev->trans_start = jiffies;
989                 return 0;
990         }
991 #endif
992         {
993 #ifdef DEBUG
994                 printk("%s: xmitter timed out, try to restart! stat: %02x\n",dev->name,p->scb->cus);
995                 printk("%s: command-stats: %04x %04x\n",dev->name,swab16(p->xmit_cmds[0]->cmd_status),swab16(p->xmit_cmds[1]->cmd_status));
996                 printk("%s: check, whether you set the right interrupt number!\n",dev->name);
997 #endif
998                 sun3_82586_close(dev);
999                 sun3_82586_open(dev);
1000         }
1001         dev->trans_start = jiffies;
1002 }
1003
1004 /******************************************************
1005  * send frame
1006  */
1007
1008 static int sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev)
1009 {
1010         int len,i;
1011 #ifndef NO_NOPCOMMANDS
1012         int next_nop;
1013 #endif
1014         struct priv *p = netdev_priv(dev);
1015
1016         if(skb->len > XMIT_BUFF_SIZE)
1017         {
1018                 printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len);
1019                 return NETDEV_TX_OK;
1020         }
1021
1022         netif_stop_queue(dev);
1023
1024 #if(NUM_XMIT_BUFFS > 1)
1025         if(test_and_set_bit(0,(void *) &p->lock)) {
1026                 printk("%s: Queue was locked\n",dev->name);
1027                 return NETDEV_TX_BUSY;
1028         }
1029         else
1030 #endif
1031         {
1032                 len = skb->len;
1033                 if (len < ETH_ZLEN) {
1034                         memset((void *)p->xmit_cbuffs[p->xmit_count], 0,
1035                                ETH_ZLEN);
1036                         len = ETH_ZLEN;
1037                 }
1038                 skb_copy_from_linear_data(skb, (void *)p->xmit_cbuffs[p->xmit_count], skb->len);
1039
1040 #if (NUM_XMIT_BUFFS == 1)
1041 #       ifdef NO_NOPCOMMANDS
1042
1043 #ifdef DEBUG
1044                 if(p->scb->cus & CU_ACTIVE)
1045                 {
1046                         printk("%s: Hmmm .. CU is still running and we wanna send a new packet.\n",dev->name);
1047                         printk("%s: stat: %04x %04x\n",dev->name,p->scb->cus,swab16(p->xmit_cmds[0]->cmd_status));
1048                 }
1049 #endif
1050
1051                 p->xmit_buffs[0]->size = swab16(TBD_LAST | len);
1052                 for(i=0;i<16;i++)
1053                 {
1054                         p->xmit_cmds[0]->cmd_status = 0;
1055                         WAIT_4_SCB_CMD();
1056                         if( (p->scb->cus & CU_STATUS) == CU_SUSPEND)
1057                                 p->scb->cmd_cuc = CUC_RESUME;
1058                         else
1059                         {
1060                                 p->scb->cbl_offset = make16(p->xmit_cmds[0]);
1061                                 p->scb->cmd_cuc = CUC_START;
1062                         }
1063
1064                         sun3_attn586();
1065                         dev->trans_start = jiffies;
1066                         if(!i)
1067                                 dev_kfree_skb(skb);
1068                         WAIT_4_SCB_CMD();
1069                         if( (p->scb->cus & CU_ACTIVE)) /* test it, because CU sometimes doesn't start immediately */
1070                                 break;
1071                         if(p->xmit_cmds[0]->cmd_status)
1072                                 break;
1073                         if(i==15)
1074                                 printk("%s: Can't start transmit-command.\n",dev->name);
1075                 }
1076 #       else
1077                 next_nop = (p->nop_point + 1) & 0x1;
1078                 p->xmit_buffs[0]->size = swab16(TBD_LAST | len);
1079
1080                 p->xmit_cmds[0]->cmd_link        = p->nop_cmds[next_nop]->cmd_link
1081                         = make16((p->nop_cmds[next_nop]));
1082                 p->xmit_cmds[0]->cmd_status = p->nop_cmds[next_nop]->cmd_status = 0;
1083
1084                 p->nop_cmds[p->nop_point]->cmd_link = make16((p->xmit_cmds[0]));
1085                 dev->trans_start = jiffies;
1086                 p->nop_point = next_nop;
1087                 dev_kfree_skb(skb);
1088 #       endif
1089 #else
1090                 p->xmit_buffs[p->xmit_count]->size = swab16(TBD_LAST | len);
1091                 if( (next_nop = p->xmit_count + 1) == NUM_XMIT_BUFFS )
1092                         next_nop = 0;
1093
1094                 p->xmit_cmds[p->xmit_count]->cmd_status = 0;
1095                 /* linkpointer of xmit-command already points to next nop cmd */
1096                 p->nop_cmds[next_nop]->cmd_link = make16((p->nop_cmds[next_nop]));
1097                 p->nop_cmds[next_nop]->cmd_status = 0;
1098
1099                 p->nop_cmds[p->xmit_count]->cmd_link = make16((p->xmit_cmds[p->xmit_count]));
1100                 dev->trans_start = jiffies;
1101                 p->xmit_count = next_nop;
1102
1103                 {
1104                         unsigned long flags;
1105                         local_irq_save(flags);
1106                         if(p->xmit_count != p->xmit_last)
1107                                 netif_wake_queue(dev);
1108                         p->lock = 0;
1109                         local_irq_restore(flags);
1110                 }
1111                 dev_kfree_skb(skb);
1112 #endif
1113         }
1114         return NETDEV_TX_OK;
1115 }
1116
1117 /*******************************************
1118  * Someone wanna have the statistics
1119  */
1120
1121 static struct net_device_stats *sun3_82586_get_stats(struct net_device *dev)
1122 {
1123         struct priv *p = netdev_priv(dev);
1124         unsigned short crc,aln,rsc,ovrn;
1125
1126         crc = swab16(p->scb->crc_errs); /* get error-statistic from the ni82586 */
1127         p->scb->crc_errs = 0;
1128         aln = swab16(p->scb->aln_errs);
1129         p->scb->aln_errs = 0;
1130         rsc = swab16(p->scb->rsc_errs);
1131         p->scb->rsc_errs = 0;
1132         ovrn = swab16(p->scb->ovrn_errs);
1133         p->scb->ovrn_errs = 0;
1134
1135         p->stats.rx_crc_errors += crc;
1136         p->stats.rx_fifo_errors += ovrn;
1137         p->stats.rx_frame_errors += aln;
1138         p->stats.rx_dropped += rsc;
1139
1140         return &p->stats;
1141 }
1142
1143 /********************************************************
1144  * Set MC list ..
1145  */
1146
1147 static void set_multicast_list(struct net_device *dev)
1148 {
1149         netif_stop_queue(dev);
1150         sun3_disint();
1151         alloc586(dev);
1152         init586(dev);
1153         startrecv586(dev);
1154         sun3_enaint();
1155         netif_wake_queue(dev);
1156 }
1157
1158 #ifdef MODULE
1159 #error This code is not currently supported as a module
1160 static struct net_device *dev_sun3_82586;
1161
1162 int init_module(void)
1163 {
1164         dev_sun3_82586 = sun3_82586_probe(-1);
1165         if (IS_ERR(dev_sun3_82586))
1166                 return PTR_ERR(dev_sun3_82586);
1167         return 0;
1168 }
1169
1170 void cleanup_module(void)
1171 {
1172         unsigned long ioaddr = dev_sun3_82586->base_addr;
1173         unregister_netdev(dev_sun3_82586);
1174         release_region(ioaddr, SUN3_82586_TOTAL_SIZE);
1175         iounmap((void *)ioaddr);
1176         free_netdev(dev_sun3_82586);
1177 }
1178 #endif /* MODULE */
1179
1180 #if 0
1181 /*
1182  * DUMP .. we expect a not running CMD unit and enough space
1183  */
1184 void sun3_82586_dump(struct net_device *dev,void *ptr)
1185 {
1186         struct priv *p = netdev_priv(dev);
1187         struct dump_cmd_struct *dump_cmd = (struct dump_cmd_struct *) ptr;
1188         int i;
1189
1190         p->scb->cmd_cuc = CUC_ABORT;
1191         sun3_attn586();
1192         WAIT_4_SCB_CMD();
1193         WAIT_4_SCB_CMD_RUC();
1194
1195         dump_cmd->cmd_status = 0;
1196         dump_cmd->cmd_cmd = CMD_DUMP | CMD_LAST;
1197         dump_cmd->dump_offset = make16((dump_cmd + 1));
1198         dump_cmd->cmd_link = 0xffff;
1199
1200         p->scb->cbl_offset = make16(dump_cmd);
1201         p->scb->cmd_cuc = CUC_START;
1202         sun3_attn586();
1203         WAIT_4_STAT_COMPL(dump_cmd);
1204
1205         if( (dump_cmd->cmd_status & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
1206                                 printk("%s: Can't get dump information.\n",dev->name);
1207
1208         for(i=0;i<170;i++) {
1209                 printk("%02x ",(int) ((unsigned char *) (dump_cmd + 1))[i]);
1210                 if(i % 24 == 23)
1211                         printk("\n");
1212         }
1213         printk("\n");
1214 }
1215 #endif
1216
1217 MODULE_LICENSE("GPL");