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