e8f97d5c9c239f14598aece1e865e469a1e5eb6f
[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/slab.h>
37 #include <linux/interrupt.h>
38 #include <linux/delay.h>
39 #include <linux/init.h>
40 #include <linux/bitops.h>
41 #include <asm/io.h>
42 #include <asm/idprom.h>
43 #include <asm/machines.h>
44 #include <asm/sun3mmu.h>
45 #include <asm/dvma.h>
46 #include <asm/byteorder.h>
47
48 #include <linux/netdevice.h>
49 #include <linux/etherdevice.h>
50 #include <linux/skbuff.h>
51
52 #include "sun3_82586.h"
53
54 #define DRV_NAME "sun3_82586"
55
56 #define DEBUG       /* debug on */
57 #define SYSBUSVAL 0 /* 16 Bit */
58 #define SUN3_82586_TOTAL_SIZE   PAGE_SIZE
59
60 #define sun3_attn586()  {*(volatile unsigned char *)(dev->base_addr) |= IEOB_ATTEN; *(volatile unsigned char *)(dev->base_addr) &= ~IEOB_ATTEN;}
61 #define sun3_reset586() {*(volatile unsigned char *)(dev->base_addr) = 0; udelay(100); *(volatile unsigned char *)(dev->base_addr) = IEOB_NORSET;}
62 #define sun3_disint()   {*(volatile unsigned char *)(dev->base_addr) &= ~IEOB_IENAB;}
63 #define sun3_enaint()   {*(volatile unsigned char *)(dev->base_addr) |= IEOB_IENAB;}
64 #define sun3_active()   {*(volatile unsigned char *)(dev->base_addr) |= (IEOB_IENAB|IEOB_ONAIR|IEOB_NORSET);}
65
66 #define make32(ptr16) (p->memtop + (swab16((unsigned short) (ptr16))) )
67 #define make24(ptr32) (char *)swab32(( ((unsigned long) (ptr32)) - p->base))
68 #define make16(ptr32) (swab16((unsigned short) ((unsigned long)(ptr32) - (unsigned long) p->memtop )))
69
70 /******************* how to calculate the buffers *****************************
71
72   * IMPORTANT NOTE: if you configure only one NUM_XMIT_BUFFS, the driver works
73   * --------------- in a different (more stable?) mode. Only in this mode it's
74   *                 possible to configure the driver with 'NO_NOPCOMMANDS'
75
76 sizeof(scp)=12; sizeof(scb)=16; sizeof(iscp)=8;
77 sizeof(scp)+sizeof(iscp)+sizeof(scb) = 36 = INIT
78 sizeof(rfd) = 24; sizeof(rbd) = 12;
79 sizeof(tbd) = 8; sizeof(transmit_cmd) = 16;
80 sizeof(nop_cmd) = 8;
81
82   * if you don't know the driver, better do not change these values: */
83
84 #define RECV_BUFF_SIZE 1536 /* slightly oversized */
85 #define XMIT_BUFF_SIZE 1536 /* slightly oversized */
86 #define NUM_XMIT_BUFFS 1    /* config for 32K shmem */
87 #define NUM_RECV_BUFFS_8 4 /* config for 32K shared mem */
88 #define NUM_RECV_BUFFS_16 9 /* config for 32K shared mem */
89 #define NUM_RECV_BUFFS_32 16 /* config for 32K shared mem */
90 #define NO_NOPCOMMANDS      /* only possible with NUM_XMIT_BUFFS=1 */
91
92 /**************************************************************************/
93
94 /* different DELAYs */
95 #define DELAY(x) mdelay(32 * x);
96 #define DELAY_16(); { udelay(16); }
97 #define DELAY_18(); { udelay(4); }
98
99 /* wait for command with timeout: */
100 #define WAIT_4_SCB_CMD() \
101 { int i; \
102   for(i=0;i<16384;i++) { \
103     if(!p->scb->cmd_cuc) break; \
104     DELAY_18(); \
105     if(i == 16383) { \
106       printk("%s: scb_cmd timed out: %04x,%04x .. disabling i82586!!\n",dev->name,p->scb->cmd_cuc,p->scb->cus); \
107        if(!p->reseted) { p->reseted = 1; sun3_reset586(); } } } }
108
109 #define WAIT_4_SCB_CMD_RUC() { int i; \
110   for(i=0;i<16384;i++) { \
111     if(!p->scb->cmd_ruc) break; \
112     DELAY_18(); \
113     if(i == 16383) { \
114       printk("%s: scb_cmd (ruc) timed out: %04x,%04x .. disabling i82586!!\n",dev->name,p->scb->cmd_ruc,p->scb->rus); \
115        if(!p->reseted) { p->reseted = 1; sun3_reset586(); } } } }
116
117 #define WAIT_4_STAT_COMPL(addr) { int i; \
118    for(i=0;i<32767;i++) { \
119      if(swab16((addr)->cmd_status) & STAT_COMPL) break; \
120      DELAY_16(); DELAY_16(); } }
121
122 static int     sun3_82586_probe1(struct net_device *dev,int ioaddr);
123 static irqreturn_t sun3_82586_interrupt(int irq,void *dev_id);
124 static int     sun3_82586_open(struct net_device *dev);
125 static int     sun3_82586_close(struct net_device *dev);
126 static int     sun3_82586_send_packet(struct sk_buff *,struct net_device *);
127 static struct  net_device_stats *sun3_82586_get_stats(struct net_device *dev);
128 static void    set_multicast_list(struct net_device *dev);
129 static void    sun3_82586_timeout(struct net_device *dev);
130 #if 0
131 static void    sun3_82586_dump(struct net_device *,void *);
132 #endif
133
134 /* helper-functions */
135 static int     init586(struct net_device *dev);
136 static int     check586(struct net_device *dev,char *where,unsigned size);
137 static void    alloc586(struct net_device *dev);
138 static void    startrecv586(struct net_device *dev);
139 static void   *alloc_rfa(struct net_device *dev,void *ptr);
140 static void    sun3_82586_rcv_int(struct net_device *dev);
141 static void    sun3_82586_xmt_int(struct net_device *dev);
142 static void    sun3_82586_rnr_int(struct net_device *dev);
143
144 struct priv
145 {
146         struct net_device_stats stats;
147         unsigned long base;
148         char *memtop;
149         long int lock;
150         int reseted;
151         volatile struct rfd_struct      *rfd_last,*rfd_top,*rfd_first;
152         volatile struct scp_struct      *scp;   /* volatile is important */
153         volatile struct iscp_struct     *iscp;  /* volatile is important */
154         volatile struct scb_struct      *scb;   /* volatile is important */
155         volatile struct tbd_struct      *xmit_buffs[NUM_XMIT_BUFFS];
156         volatile struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS];
157 #if (NUM_XMIT_BUFFS == 1)
158         volatile struct nop_cmd_struct *nop_cmds[2];
159 #else
160         volatile struct nop_cmd_struct *nop_cmds[NUM_XMIT_BUFFS];
161 #endif
162         volatile int            nop_point,num_recv_buffs;
163         volatile char           *xmit_cbuffs[NUM_XMIT_BUFFS];
164         volatile int            xmit_count,xmit_last;
165 };
166
167 /**********************************************
168  * close device
169  */
170 static int sun3_82586_close(struct net_device *dev)
171 {
172         free_irq(dev->irq, dev);
173
174         sun3_reset586(); /* the hard way to stop the receiver */
175
176         netif_stop_queue(dev);
177
178         return 0;
179 }
180
181 /**********************************************
182  * open device
183  */
184 static int sun3_82586_open(struct net_device *dev)
185 {
186         int ret;
187
188         sun3_disint();
189         alloc586(dev);
190         init586(dev);
191         startrecv586(dev);
192         sun3_enaint();
193
194         ret = request_irq(dev->irq, &sun3_82586_interrupt,0,dev->name,dev);
195         if (ret)
196         {
197                 sun3_reset586();
198                 return ret;
199         }
200
201         netif_start_queue(dev);
202
203         return 0; /* most done by init */
204 }
205
206 /**********************************************
207  * Check to see if there's an 82586 out there.
208  */
209 static int check586(struct net_device *dev,char *where,unsigned size)
210 {
211         struct priv pb;
212         struct priv *p = /* (struct priv *) dev->priv*/ &pb;
213         char *iscp_addr;
214         int i;
215
216         p->base = (unsigned long) dvma_btov(0);
217         p->memtop = (char *)dvma_btov((unsigned long)where);
218         p->scp = (struct scp_struct *)(p->base + SCP_DEFAULT_ADDRESS);
219         memset((char *)p->scp,0, sizeof(struct scp_struct));
220         for(i=0;i<sizeof(struct scp_struct);i++) /* memory was writeable? */
221                 if(((char *)p->scp)[i])
222                         return 0;
223         p->scp->sysbus = SYSBUSVAL;                             /* 1 = 8Bit-Bus, 0 = 16 Bit */
224         if(p->scp->sysbus != SYSBUSVAL)
225                 return 0;
226
227         iscp_addr = (char *)dvma_btov((unsigned long)where);
228
229         p->iscp = (struct iscp_struct *) iscp_addr;
230         memset((char *)p->iscp,0, sizeof(struct iscp_struct));
231
232         p->scp->iscp = make24(p->iscp);
233         p->iscp->busy = 1;
234
235         sun3_reset586();
236         sun3_attn586();
237         DELAY(1);       /* wait a while... */
238
239         if(p->iscp->busy) /* i82586 clears 'busy' after successful init */
240                 return 0;
241
242         return 1;
243 }
244
245 /******************************************************************
246  * set iscp at the right place, called by sun3_82586_probe1 and open586.
247  */
248 static void alloc586(struct net_device *dev)
249 {
250         struct priv *p = netdev_priv(dev);
251
252         sun3_reset586();
253         DELAY(1);
254
255         p->scp  = (struct scp_struct *) (p->base + SCP_DEFAULT_ADDRESS);
256         p->iscp = (struct iscp_struct *) dvma_btov(dev->mem_start);
257         p->scb  = (struct scb_struct *)  ((char *)p->iscp + sizeof(struct iscp_struct));
258
259         memset((char *) p->iscp,0,sizeof(struct iscp_struct));
260         memset((char *) p->scp ,0,sizeof(struct scp_struct));
261
262         p->scp->iscp = make24(p->iscp);
263         p->scp->sysbus = SYSBUSVAL;
264         p->iscp->scb_offset = make16(p->scb);
265         p->iscp->scb_base = make24(dvma_btov(dev->mem_start));
266
267         p->iscp->busy = 1;
268         sun3_reset586();
269         sun3_attn586();
270
271         DELAY(1);
272
273         if(p->iscp->busy)
274                 printk("%s: Init-Problems (alloc).\n",dev->name);
275
276         p->reseted = 0;
277
278         memset((char *)p->scb,0,sizeof(struct scb_struct));
279 }
280
281 struct net_device * __init sun3_82586_probe(int unit)
282 {
283         struct net_device *dev;
284         unsigned long ioaddr;
285         static int found = 0;
286         int err = -ENOMEM;
287
288         /* check that this machine has an onboard 82586 */
289         switch(idprom->id_machtype) {
290         case SM_SUN3|SM_3_160:
291         case SM_SUN3|SM_3_260:
292                 /* these machines have 82586 */
293                 break;
294
295         default:
296                 return ERR_PTR(-ENODEV);
297         }
298
299         if (found)
300                 return ERR_PTR(-ENODEV);
301
302         ioaddr = (unsigned long)ioremap(IE_OBIO, SUN3_82586_TOTAL_SIZE);
303         if (!ioaddr)
304                 return ERR_PTR(-ENOMEM);
305         found = 1;
306
307         dev = alloc_etherdev(sizeof(struct priv));
308         if (!dev)
309                 goto out;
310         if (unit >= 0) {
311                 sprintf(dev->name, "eth%d", unit);
312                 netdev_boot_setup_check(dev);
313         }
314
315         dev->irq = IE_IRQ;
316         dev->base_addr = ioaddr;
317         err = sun3_82586_probe1(dev, ioaddr);
318         if (err)
319                 goto out1;
320         err = register_netdev(dev);
321         if (err)
322                 goto out2;
323         return dev;
324
325 out2:
326         release_region(ioaddr, SUN3_82586_TOTAL_SIZE);
327 out1:
328         free_netdev(dev);
329 out:
330         iounmap((void __iomem *)ioaddr);
331         return ERR_PTR(err);
332 }
333
334 static int __init sun3_82586_probe1(struct net_device *dev,int ioaddr)
335 {
336         int i, size, retval;
337
338         if (!request_region(ioaddr, SUN3_82586_TOTAL_SIZE, DRV_NAME))
339                 return -EBUSY;
340
341         /* copy in the ethernet address from the prom */
342         for(i = 0; i < 6 ; i++)
343              dev->dev_addr[i] = idprom->id_ethaddr[i];
344
345         printk("%s: SUN3 Intel 82586 found at %lx, ",dev->name,dev->base_addr);
346
347         /*
348          * check (or search) IO-Memory, 32K
349          */
350         size = 0x8000;
351
352         dev->mem_start = (unsigned long)dvma_malloc_align(0x8000, 0x1000);
353         dev->mem_end = dev->mem_start + size;
354
355         if(size != 0x2000 && size != 0x4000 && size != 0x8000) {
356                 printk("\n%s: Illegal memory size %d. Allowed is 0x2000 or 0x4000 or 0x8000 bytes.\n",dev->name,size);
357                 retval = -ENODEV;
358                 goto out;
359         }
360         if(!check586(dev,(char *) dev->mem_start,size)) {
361                 printk("?memcheck, Can't find memory at 0x%lx with size %d!\n",dev->mem_start,size);
362                 retval = -ENODEV;
363                 goto out;
364         }
365
366         ((struct priv *)netdev_priv(dev))->memtop =
367                                         (char *)dvma_btov(dev->mem_start);
368         ((struct priv *)netdev_priv(dev))->base = (unsigned long) dvma_btov(0);
369         alloc586(dev);
370
371         /* set number of receive-buffs according to memsize */
372         if(size == 0x2000)
373                 ((struct priv *)netdev_priv(dev))->num_recv_buffs =
374                                                         NUM_RECV_BUFFS_8;
375         else if(size == 0x4000)
376                 ((struct priv *)netdev_priv(dev))->num_recv_buffs =
377                                                         NUM_RECV_BUFFS_16;
378         else
379                 ((struct priv *)netdev_priv(dev))->num_recv_buffs =
380                                                         NUM_RECV_BUFFS_32;
381
382         printk("Memaddr: 0x%lx, Memsize: %d, IRQ %d\n",dev->mem_start,size, dev->irq);
383
384         dev->open               = sun3_82586_open;
385         dev->stop               = sun3_82586_close;
386         dev->get_stats          = sun3_82586_get_stats;
387         dev->tx_timeout         = sun3_82586_timeout;
388         dev->watchdog_timeo     = HZ/20;
389         dev->hard_start_xmit    = sun3_82586_send_packet;
390         dev->set_multicast_list = set_multicast_list;
391
392         dev->if_port            = 0;
393         return 0;
394 out:
395         release_region(ioaddr, SUN3_82586_TOTAL_SIZE);
396         return retval;
397 }
398
399
400 static int init586(struct net_device *dev)
401 {
402         void *ptr;
403         int i,result=0;
404         struct priv *p = netdev_priv(dev);
405         volatile struct configure_cmd_struct    *cfg_cmd;
406         volatile struct iasetup_cmd_struct *ias_cmd;
407         volatile struct tdr_cmd_struct *tdr_cmd;
408         volatile struct mcsetup_cmd_struct *mc_cmd;
409         struct dev_mc_list *dmi=dev->mc_list;
410         int num_addrs=dev->mc_count;
411
412         ptr = (void *) ((char *)p->scb + sizeof(struct scb_struct));
413
414         cfg_cmd = (struct configure_cmd_struct *)ptr; /* configure-command */
415         cfg_cmd->cmd_status     = 0;
416         cfg_cmd->cmd_cmd        = swab16(CMD_CONFIGURE | CMD_LAST);
417         cfg_cmd->cmd_link       = 0xffff;
418
419         cfg_cmd->byte_cnt       = 0x0a; /* number of cfg bytes */
420         cfg_cmd->fifo           = fifo; /* fifo-limit (8=tx:32/rx:64) */
421         cfg_cmd->sav_bf         = 0x40; /* hold or discard bad recv frames (bit 7) */
422         cfg_cmd->adr_len        = 0x2e; /* addr_len |!src_insert |pre-len |loopback */
423         cfg_cmd->priority       = 0x00;
424         cfg_cmd->ifs            = 0x60;
425         cfg_cmd->time_low       = 0x00;
426         cfg_cmd->time_high      = 0xf2;
427         cfg_cmd->promisc        = 0;
428         if(dev->flags & IFF_ALLMULTI) {
429                 int len = ((char *) p->iscp - (char *) ptr - 8) / 6;
430                 if(num_addrs > len)     {
431                         printk("%s: switching to promisc. mode\n",dev->name);
432                         cfg_cmd->promisc = 1;
433                 }
434         }
435         if(dev->flags&IFF_PROMISC)
436                 cfg_cmd->promisc = 1;
437         cfg_cmd->carr_coll      = 0x00;
438
439         p->scb->cbl_offset      = make16(cfg_cmd);
440         p->scb->cmd_ruc         = 0;
441
442         p->scb->cmd_cuc         = CUC_START; /* cmd.-unit start */
443         sun3_attn586();
444
445         WAIT_4_STAT_COMPL(cfg_cmd);
446
447         if((swab16(cfg_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != (STAT_COMPL|STAT_OK))
448         {
449                 printk("%s: configure command failed: %x\n",dev->name,swab16(cfg_cmd->cmd_status));
450                 return 1;
451         }
452
453         /*
454          * individual address setup
455          */
456
457         ias_cmd = (struct iasetup_cmd_struct *)ptr;
458
459         ias_cmd->cmd_status     = 0;
460         ias_cmd->cmd_cmd        = swab16(CMD_IASETUP | CMD_LAST);
461         ias_cmd->cmd_link       = 0xffff;
462
463         memcpy((char *)&ias_cmd->iaddr,(char *) dev->dev_addr,ETH_ALEN);
464
465         p->scb->cbl_offset = make16(ias_cmd);
466
467         p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
468         sun3_attn586();
469
470         WAIT_4_STAT_COMPL(ias_cmd);
471
472         if((swab16(ias_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != (STAT_OK|STAT_COMPL)) {
473                 printk("%s (82586): individual address setup command failed: %04x\n",dev->name,swab16(ias_cmd->cmd_status));
474                 return 1;
475         }
476
477         /*
478          * TDR, wire check .. e.g. no resistor e.t.c
479          */
480
481         tdr_cmd = (struct tdr_cmd_struct *)ptr;
482
483         tdr_cmd->cmd_status     = 0;
484         tdr_cmd->cmd_cmd        = swab16(CMD_TDR | CMD_LAST);
485         tdr_cmd->cmd_link       = 0xffff;
486         tdr_cmd->status         = 0;
487
488         p->scb->cbl_offset = make16(tdr_cmd);
489         p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
490         sun3_attn586();
491
492         WAIT_4_STAT_COMPL(tdr_cmd);
493
494         if(!(swab16(tdr_cmd->cmd_status) & STAT_COMPL))
495         {
496                 printk("%s: Problems while running the TDR.\n",dev->name);
497         }
498         else
499         {
500                 DELAY_16(); /* wait for result */
501                 result = swab16(tdr_cmd->status);
502
503                 p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
504                 sun3_attn586(); /* ack the interrupts */
505
506                 if(result & TDR_LNK_OK)
507                         ;
508                 else if(result & TDR_XCVR_PRB)
509                         printk("%s: TDR: Transceiver problem. Check the cable(s)!\n",dev->name);
510                 else if(result & TDR_ET_OPN)
511                         printk("%s: TDR: No correct termination %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
512                 else if(result & TDR_ET_SRT)
513                 {
514                         if (result & TDR_TIMEMASK) /* time == 0 -> strange :-) */
515                                 printk("%s: TDR: Detected a short circuit %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
516                 }
517                 else
518                         printk("%s: TDR: Unknown status %04x\n",dev->name,result);
519         }
520
521         /*
522          * Multicast setup
523          */
524         if(num_addrs && !(dev->flags & IFF_PROMISC) )
525         {
526                 mc_cmd = (struct mcsetup_cmd_struct *) ptr;
527                 mc_cmd->cmd_status = 0;
528                 mc_cmd->cmd_cmd = swab16(CMD_MCSETUP | CMD_LAST);
529                 mc_cmd->cmd_link = 0xffff;
530                 mc_cmd->mc_cnt = swab16(num_addrs * 6);
531
532                 for(i=0;i<num_addrs;i++,dmi=dmi->next)
533                         memcpy((char *) mc_cmd->mc_list[i], dmi->dmi_addr,6);
534
535                 p->scb->cbl_offset = make16(mc_cmd);
536                 p->scb->cmd_cuc = CUC_START;
537                 sun3_attn586();
538
539                 WAIT_4_STAT_COMPL(mc_cmd);
540
541                 if( (swab16(mc_cmd->cmd_status) & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
542                         printk("%s: Can't apply multicast-address-list.\n",dev->name);
543         }
544
545         /*
546          * alloc nop/xmit-cmds
547          */
548 #if (NUM_XMIT_BUFFS == 1)
549         for(i=0;i<2;i++)
550         {
551                 p->nop_cmds[i]                  = (struct nop_cmd_struct *)ptr;
552                 p->nop_cmds[i]->cmd_cmd         = swab16(CMD_NOP);
553                 p->nop_cmds[i]->cmd_status      = 0;
554                 p->nop_cmds[i]->cmd_link        = make16((p->nop_cmds[i]));
555                 ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
556         }
557 #else
558         for(i=0;i<NUM_XMIT_BUFFS;i++)
559         {
560                 p->nop_cmds[i]                  = (struct nop_cmd_struct *)ptr;
561                 p->nop_cmds[i]->cmd_cmd         = swab16(CMD_NOP);
562                 p->nop_cmds[i]->cmd_status      = 0;
563                 p->nop_cmds[i]->cmd_link        = make16((p->nop_cmds[i]));
564                 ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
565         }
566 #endif
567
568         ptr = alloc_rfa(dev,(void *)ptr); /* init receive-frame-area */
569
570         /*
571          * alloc xmit-buffs / init xmit_cmds
572          */
573         for(i=0;i<NUM_XMIT_BUFFS;i++)
574         {
575                 p->xmit_cmds[i] = (struct transmit_cmd_struct *)ptr; /*transmit cmd/buff 0*/
576                 ptr = (char *) ptr + sizeof(struct transmit_cmd_struct);
577                 p->xmit_cbuffs[i] = (char *)ptr; /* char-buffs */
578                 ptr = (char *) ptr + XMIT_BUFF_SIZE;
579                 p->xmit_buffs[i] = (struct tbd_struct *)ptr; /* TBD */
580                 ptr = (char *) ptr + sizeof(struct tbd_struct);
581                 if((void *)ptr > (void *)dev->mem_end)
582                 {
583                         printk("%s: not enough shared-mem for your configuration!\n",dev->name);
584                         return 1;
585                 }
586                 memset((char *)(p->xmit_cmds[i]) ,0, sizeof(struct transmit_cmd_struct));
587                 memset((char *)(p->xmit_buffs[i]),0, sizeof(struct tbd_struct));
588                 p->xmit_cmds[i]->cmd_link = make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]);
589                 p->xmit_cmds[i]->cmd_status = swab16(STAT_COMPL);
590                 p->xmit_cmds[i]->cmd_cmd = swab16(CMD_XMIT | CMD_INT);
591                 p->xmit_cmds[i]->tbd_offset = make16((p->xmit_buffs[i]));
592                 p->xmit_buffs[i]->next = 0xffff;
593                 p->xmit_buffs[i]->buffer = make24((p->xmit_cbuffs[i]));
594         }
595
596         p->xmit_count = 0;
597         p->xmit_last    = 0;
598 #ifndef NO_NOPCOMMANDS
599         p->nop_point    = 0;
600 #endif
601
602          /*
603                 * 'start transmitter'
604                 */
605 #ifndef NO_NOPCOMMANDS
606         p->scb->cbl_offset = make16(p->nop_cmds[0]);
607         p->scb->cmd_cuc = CUC_START;
608         sun3_attn586();
609         WAIT_4_SCB_CMD();
610 #else
611         p->xmit_cmds[0]->cmd_link = make16(p->xmit_cmds[0]);
612         p->xmit_cmds[0]->cmd_cmd        = swab16(CMD_XMIT | CMD_SUSPEND | CMD_INT);
613 #endif
614
615         /*
616          * ack. interrupts
617          */
618         p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
619         sun3_attn586();
620         DELAY_16();
621
622         sun3_enaint();
623         sun3_active();
624
625         return 0;
626 }
627
628 /******************************************************
629  * This is a helper routine for sun3_82586_rnr_int() and init586().
630  * It sets up the Receive Frame Area (RFA).
631  */
632
633 static void *alloc_rfa(struct net_device *dev,void *ptr)
634 {
635         volatile struct rfd_struct *rfd = (struct rfd_struct *)ptr;
636         volatile struct rbd_struct *rbd;
637         int i;
638         struct priv *p = netdev_priv(dev);
639
640         memset((char *) rfd,0,sizeof(struct rfd_struct)*(p->num_recv_buffs+rfdadd));
641         p->rfd_first = rfd;
642
643         for(i = 0; i < (p->num_recv_buffs+rfdadd); i++) {
644                 rfd[i].next = make16(rfd + (i+1) % (p->num_recv_buffs+rfdadd) );
645                 rfd[i].rbd_offset = 0xffff;
646         }
647         rfd[p->num_recv_buffs-1+rfdadd].last = RFD_SUSP;         /* RU suspend */
648
649         ptr = (void *) (rfd + (p->num_recv_buffs + rfdadd) );
650
651         rbd = (struct rbd_struct *) ptr;
652         ptr = (void *) (rbd + p->num_recv_buffs);
653
654          /* clr descriptors */
655         memset((char *) rbd,0,sizeof(struct rbd_struct)*(p->num_recv_buffs));
656
657         for(i=0;i<p->num_recv_buffs;i++)
658         {
659                 rbd[i].next = make16((rbd + (i+1) % p->num_recv_buffs));
660                 rbd[i].size = swab16(RECV_BUFF_SIZE);
661                 rbd[i].buffer = make24(ptr);
662                 ptr = (char *) ptr + RECV_BUFF_SIZE;
663         }
664
665         p->rfd_top      = p->rfd_first;
666         p->rfd_last = p->rfd_first + (p->num_recv_buffs - 1 + rfdadd);
667
668         p->scb->rfa_offset              = make16(p->rfd_first);
669         p->rfd_first->rbd_offset        = make16(rbd);
670
671         return ptr;
672 }
673
674
675 /**************************************************
676  * Interrupt Handler ...
677  */
678
679 static irqreturn_t sun3_82586_interrupt(int irq,void *dev_id)
680 {
681         struct net_device *dev = dev_id;
682         unsigned short stat;
683         int cnt=0;
684         struct priv *p;
685
686         if (!dev) {
687                 printk ("sun3_82586-interrupt: irq %d for unknown device.\n",irq);
688                 return IRQ_NONE;
689         }
690         p = netdev_priv(dev);
691
692         if(debuglevel > 1)
693                 printk("I");
694
695         WAIT_4_SCB_CMD(); /* wait for last command      */
696
697         while((stat=p->scb->cus & STAT_MASK))
698         {
699                 p->scb->cmd_cuc = stat;
700                 sun3_attn586();
701
702                 if(stat & STAT_FR)       /* received a frame */
703                         sun3_82586_rcv_int(dev);
704
705                 if(stat & STAT_RNR) /* RU went 'not ready' */
706                 {
707                         printk("(R)");
708                         if(p->scb->rus & RU_SUSPEND) /* special case: RU_SUSPEND */
709                         {
710                                 WAIT_4_SCB_CMD();
711                                 p->scb->cmd_ruc = RUC_RESUME;
712                                 sun3_attn586();
713                                 WAIT_4_SCB_CMD_RUC();
714                         }
715                         else
716                         {
717                                 printk("%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->rus);
718                                 sun3_82586_rnr_int(dev);
719                         }
720                 }
721
722                 if(stat & STAT_CX)              /* command with I-bit set complete */
723                          sun3_82586_xmt_int(dev);
724
725 #ifndef NO_NOPCOMMANDS
726                 if(stat & STAT_CNA)     /* CU went 'not ready' */
727                 {
728                         if(netif_running(dev))
729                                 printk("%s: oops! CU has left active state. stat: %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->cus);
730                 }
731 #endif
732
733                 if(debuglevel > 1)
734                         printk("%d",cnt++);
735
736                 WAIT_4_SCB_CMD(); /* wait for ack. (sun3_82586_xmt_int can be faster than ack!!) */
737                 if(p->scb->cmd_cuc)      /* timed out? */
738                 {
739                         printk("%s: Acknowledge timed out.\n",dev->name);
740                         sun3_disint();
741                         break;
742                 }
743         }
744
745         if(debuglevel > 1)
746                 printk("i");
747         return IRQ_HANDLED;
748 }
749
750 /*******************************************************
751  * receive-interrupt
752  */
753
754 static void sun3_82586_rcv_int(struct net_device *dev)
755 {
756         int status,cnt=0;
757         unsigned short totlen;
758         struct sk_buff *skb;
759         struct rbd_struct *rbd;
760         struct priv *p = netdev_priv(dev);
761
762         if(debuglevel > 0)
763                 printk("R");
764
765         for(;(status = p->rfd_top->stat_high) & RFD_COMPL;)
766         {
767                         rbd = (struct rbd_struct *) make32(p->rfd_top->rbd_offset);
768
769                         if(status & RFD_OK) /* frame received without error? */
770                         {
771                                 if( (totlen = swab16(rbd->status)) & RBD_LAST) /* the first and the last buffer? */
772                                 {
773                                         totlen &= RBD_MASK; /* length of this frame */
774                                         rbd->status = 0;
775                                         skb = (struct sk_buff *) dev_alloc_skb(totlen+2);
776                                         if(skb != NULL)
777                                         {
778                                                 skb_reserve(skb,2);
779                                                 skb_put(skb,totlen);
780                                                 skb_copy_to_linear_data(skb,(char *) p->base+swab32((unsigned long) rbd->buffer),totlen);
781                                                 skb->protocol=eth_type_trans(skb,dev);
782                                                 netif_rx(skb);
783                                                 p->stats.rx_packets++;
784                                         }
785                                         else
786                                                 p->stats.rx_dropped++;
787                                 }
788                                 else
789                                 {
790                                         int rstat;
791                                                  /* free all RBD's until RBD_LAST is set */
792                                         totlen = 0;
793                                         while(!((rstat=swab16(rbd->status)) & RBD_LAST))
794                                         {
795                                                 totlen += rstat & RBD_MASK;
796                                                 if(!rstat)
797                                                 {
798                                                         printk("%s: Whoops .. no end mark in RBD list\n",dev->name);
799                                                         break;
800                                                 }
801                                                 rbd->status = 0;
802                                                 rbd = (struct rbd_struct *) make32(rbd->next);
803                                         }
804                                         totlen += rstat & RBD_MASK;
805                                         rbd->status = 0;
806                                         printk("%s: received oversized frame! length: %d\n",dev->name,totlen);
807                                         p->stats.rx_dropped++;
808                          }
809                 }
810                 else /* frame !(ok), only with 'save-bad-frames' */
811                 {
812                         printk("%s: oops! rfd-error-status: %04x\n",dev->name,status);
813                         p->stats.rx_errors++;
814                 }
815                 p->rfd_top->stat_high = 0;
816                 p->rfd_top->last = RFD_SUSP; /* maybe exchange by RFD_LAST */
817                 p->rfd_top->rbd_offset = 0xffff;
818                 p->rfd_last->last = 0;                          /* delete RFD_SUSP      */
819                 p->rfd_last = p->rfd_top;
820                 p->rfd_top = (struct rfd_struct *) make32(p->rfd_top->next); /* step to next RFD */
821                 p->scb->rfa_offset = make16(p->rfd_top);
822
823                 if(debuglevel > 0)
824                         printk("%d",cnt++);
825         }
826
827         if(automatic_resume)
828         {
829                 WAIT_4_SCB_CMD();
830                 p->scb->cmd_ruc = RUC_RESUME;
831                 sun3_attn586();
832                 WAIT_4_SCB_CMD_RUC();
833         }
834
835 #ifdef WAIT_4_BUSY
836         {
837                 int i;
838                 for(i=0;i<1024;i++)
839                 {
840                         if(p->rfd_top->status)
841                                 break;
842                         DELAY_16();
843                         if(i == 1023)
844                                 printk("%s: RU hasn't fetched next RFD (not busy/complete)\n",dev->name);
845                 }
846         }
847 #endif
848
849 #if 0
850         if(!at_least_one)
851         {
852                 int i;
853                 volatile struct rfd_struct *rfds=p->rfd_top;
854                 volatile struct rbd_struct *rbds;
855                 printk("%s: received a FC intr. without having a frame: %04x %d\n",dev->name,status,old_at_least);
856                 for(i=0;i< (p->num_recv_buffs+4);i++)
857                 {
858                         rbds = (struct rbd_struct *) make32(rfds->rbd_offset);
859                         printk("%04x:%04x ",rfds->status,rbds->status);
860                         rfds = (struct rfd_struct *) make32(rfds->next);
861                 }
862                 printk("\nerrs: %04x %04x stat: %04x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->status);
863                 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);
864         }
865         old_at_least = at_least_one;
866 #endif
867
868         if(debuglevel > 0)
869                 printk("r");
870 }
871
872 /**********************************************************
873  * handle 'Receiver went not ready'.
874  */
875
876 static void sun3_82586_rnr_int(struct net_device *dev)
877 {
878         struct priv *p = netdev_priv(dev);
879
880         p->stats.rx_errors++;
881
882         WAIT_4_SCB_CMD();               /* wait for the last cmd, WAIT_4_FULLSTAT?? */
883         p->scb->cmd_ruc = RUC_ABORT; /* usually the RU is in the 'no resource'-state .. abort it now. */
884         sun3_attn586();
885         WAIT_4_SCB_CMD_RUC();           /* wait for accept cmd. */
886
887         alloc_rfa(dev,(char *)p->rfd_first);
888 /* maybe add a check here, before restarting the RU */
889         startrecv586(dev); /* restart RU */
890
891         printk("%s: Receive-Unit restarted. Status: %04x\n",dev->name,p->scb->rus);
892
893 }
894
895 /**********************************************************
896  * handle xmit - interrupt
897  */
898
899 static void sun3_82586_xmt_int(struct net_device *dev)
900 {
901         int status;
902         struct priv *p = netdev_priv(dev);
903
904         if(debuglevel > 0)
905                 printk("X");
906
907         status = swab16(p->xmit_cmds[p->xmit_last]->cmd_status);
908         if(!(status & STAT_COMPL))
909                 printk("%s: strange .. xmit-int without a 'COMPLETE'\n",dev->name);
910
911         if(status & STAT_OK)
912         {
913                 p->stats.tx_packets++;
914                 p->stats.collisions += (status & TCMD_MAXCOLLMASK);
915         }
916         else
917         {
918                 p->stats.tx_errors++;
919                 if(status & TCMD_LATECOLL) {
920                         printk("%s: late collision detected.\n",dev->name);
921                         p->stats.collisions++;
922                 }
923                 else if(status & TCMD_NOCARRIER) {
924                         p->stats.tx_carrier_errors++;
925                         printk("%s: no carrier detected.\n",dev->name);
926                 }
927                 else if(status & TCMD_LOSTCTS)
928                         printk("%s: loss of CTS detected.\n",dev->name);
929                 else if(status & TCMD_UNDERRUN) {
930                         p->stats.tx_fifo_errors++;
931                         printk("%s: DMA underrun detected.\n",dev->name);
932                 }
933                 else if(status & TCMD_MAXCOLL) {
934                         printk("%s: Max. collisions exceeded.\n",dev->name);
935                         p->stats.collisions += 16;
936                 }
937         }
938
939 #if (NUM_XMIT_BUFFS > 1)
940         if( (++p->xmit_last) == NUM_XMIT_BUFFS)
941                 p->xmit_last = 0;
942 #endif
943         netif_wake_queue(dev);
944 }
945
946 /***********************************************************
947  * (re)start the receiver
948  */
949
950 static void startrecv586(struct net_device *dev)
951 {
952         struct priv *p = netdev_priv(dev);
953
954         WAIT_4_SCB_CMD();
955         WAIT_4_SCB_CMD_RUC();
956         p->scb->rfa_offset = make16(p->rfd_first);
957         p->scb->cmd_ruc = RUC_START;
958         sun3_attn586();         /* start cmd. */
959         WAIT_4_SCB_CMD_RUC();   /* wait for accept cmd. (no timeout!!) */
960 }
961
962 static void sun3_82586_timeout(struct net_device *dev)
963 {
964         struct priv *p = netdev_priv(dev);
965 #ifndef NO_NOPCOMMANDS
966         if(p->scb->cus & CU_ACTIVE) /* COMMAND-UNIT active? */
967         {
968                 netif_wake_queue(dev);
969 #ifdef DEBUG
970                 printk("%s: strange ... timeout with CU active?!?\n",dev->name);
971                 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);
972 #endif
973                 p->scb->cmd_cuc = CUC_ABORT;
974                 sun3_attn586();
975                 WAIT_4_SCB_CMD();
976                 p->scb->cbl_offset = make16(p->nop_cmds[p->nop_point]);
977                 p->scb->cmd_cuc = CUC_START;
978                 sun3_attn586();
979                 WAIT_4_SCB_CMD();
980                 dev->trans_start = jiffies;
981                 return 0;
982         }
983 #endif
984         {
985 #ifdef DEBUG
986                 printk("%s: xmitter timed out, try to restart! stat: %02x\n",dev->name,p->scb->cus);
987                 printk("%s: command-stats: %04x %04x\n",dev->name,swab16(p->xmit_cmds[0]->cmd_status),swab16(p->xmit_cmds[1]->cmd_status));
988                 printk("%s: check, whether you set the right interrupt number!\n",dev->name);
989 #endif
990                 sun3_82586_close(dev);
991                 sun3_82586_open(dev);
992         }
993         dev->trans_start = jiffies;
994 }
995
996 /******************************************************
997  * send frame
998  */
999
1000 static int sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev)
1001 {
1002         int len,i;
1003 #ifndef NO_NOPCOMMANDS
1004         int next_nop;
1005 #endif
1006         struct priv *p = netdev_priv(dev);
1007
1008         if(skb->len > XMIT_BUFF_SIZE)
1009         {
1010                 printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len);
1011                 return 0;
1012         }
1013
1014         netif_stop_queue(dev);
1015
1016 #if(NUM_XMIT_BUFFS > 1)
1017         if(test_and_set_bit(0,(void *) &p->lock)) {
1018                 printk("%s: Queue was locked\n",dev->name);
1019                 return 1;
1020         }
1021         else
1022 #endif
1023         {
1024                 len = skb->len;
1025                 if (len < ETH_ZLEN) {
1026                         memset((void *)p->xmit_cbuffs[p->xmit_count], 0,
1027                                ETH_ZLEN);
1028                         len = ETH_ZLEN;
1029                 }
1030                 skb_copy_from_linear_data(skb, (void *)p->xmit_cbuffs[p->xmit_count], skb->len);
1031
1032 #if (NUM_XMIT_BUFFS == 1)
1033 #       ifdef NO_NOPCOMMANDS
1034
1035 #ifdef DEBUG
1036                 if(p->scb->cus & CU_ACTIVE)
1037                 {
1038                         printk("%s: Hmmm .. CU is still running and we wanna send a new packet.\n",dev->name);
1039                         printk("%s: stat: %04x %04x\n",dev->name,p->scb->cus,swab16(p->xmit_cmds[0]->cmd_status));
1040                 }
1041 #endif
1042
1043                 p->xmit_buffs[0]->size = swab16(TBD_LAST | len);
1044                 for(i=0;i<16;i++)
1045                 {
1046                         p->xmit_cmds[0]->cmd_status = 0;
1047                         WAIT_4_SCB_CMD();
1048                         if( (p->scb->cus & CU_STATUS) == CU_SUSPEND)
1049                                 p->scb->cmd_cuc = CUC_RESUME;
1050                         else
1051                         {
1052                                 p->scb->cbl_offset = make16(p->xmit_cmds[0]);
1053                                 p->scb->cmd_cuc = CUC_START;
1054                         }
1055
1056                         sun3_attn586();
1057                         dev->trans_start = jiffies;
1058                         if(!i)
1059                                 dev_kfree_skb(skb);
1060                         WAIT_4_SCB_CMD();
1061                         if( (p->scb->cus & CU_ACTIVE)) /* test it, because CU sometimes doesn't start immediately */
1062                                 break;
1063                         if(p->xmit_cmds[0]->cmd_status)
1064                                 break;
1065                         if(i==15)
1066                                 printk("%s: Can't start transmit-command.\n",dev->name);
1067                 }
1068 #       else
1069                 next_nop = (p->nop_point + 1) & 0x1;
1070                 p->xmit_buffs[0]->size = swab16(TBD_LAST | len);
1071
1072                 p->xmit_cmds[0]->cmd_link        = p->nop_cmds[next_nop]->cmd_link
1073                         = make16((p->nop_cmds[next_nop]));
1074                 p->xmit_cmds[0]->cmd_status = p->nop_cmds[next_nop]->cmd_status = 0;
1075
1076                 p->nop_cmds[p->nop_point]->cmd_link = make16((p->xmit_cmds[0]));
1077                 dev->trans_start = jiffies;
1078                 p->nop_point = next_nop;
1079                 dev_kfree_skb(skb);
1080 #       endif
1081 #else
1082                 p->xmit_buffs[p->xmit_count]->size = swab16(TBD_LAST | len);
1083                 if( (next_nop = p->xmit_count + 1) == NUM_XMIT_BUFFS )
1084                         next_nop = 0;
1085
1086                 p->xmit_cmds[p->xmit_count]->cmd_status = 0;
1087                 /* linkpointer of xmit-command already points to next nop cmd */
1088                 p->nop_cmds[next_nop]->cmd_link = make16((p->nop_cmds[next_nop]));
1089                 p->nop_cmds[next_nop]->cmd_status = 0;
1090
1091                 p->nop_cmds[p->xmit_count]->cmd_link = make16((p->xmit_cmds[p->xmit_count]));
1092                 dev->trans_start = jiffies;
1093                 p->xmit_count = next_nop;
1094
1095                 {
1096                         unsigned long flags;
1097                         local_irq_save(flags);
1098                         if(p->xmit_count != p->xmit_last)
1099                                 netif_wake_queue(dev);
1100                         p->lock = 0;
1101                         local_irq_restore(flags);
1102                 }
1103                 dev_kfree_skb(skb);
1104 #endif
1105         }
1106         return 0;
1107 }
1108
1109 /*******************************************
1110  * Someone wanna have the statistics
1111  */
1112
1113 static struct net_device_stats *sun3_82586_get_stats(struct net_device *dev)
1114 {
1115         struct priv *p = netdev_priv(dev);
1116         unsigned short crc,aln,rsc,ovrn;
1117
1118         crc = swab16(p->scb->crc_errs); /* get error-statistic from the ni82586 */
1119         p->scb->crc_errs = 0;
1120         aln = swab16(p->scb->aln_errs);
1121         p->scb->aln_errs = 0;
1122         rsc = swab16(p->scb->rsc_errs);
1123         p->scb->rsc_errs = 0;
1124         ovrn = swab16(p->scb->ovrn_errs);
1125         p->scb->ovrn_errs = 0;
1126
1127         p->stats.rx_crc_errors += crc;
1128         p->stats.rx_fifo_errors += ovrn;
1129         p->stats.rx_frame_errors += aln;
1130         p->stats.rx_dropped += rsc;
1131
1132         return &p->stats;
1133 }
1134
1135 /********************************************************
1136  * Set MC list ..
1137  */
1138
1139 static void set_multicast_list(struct net_device *dev)
1140 {
1141         netif_stop_queue(dev);
1142         sun3_disint();
1143         alloc586(dev);
1144         init586(dev);
1145         startrecv586(dev);
1146         sun3_enaint();
1147         netif_wake_queue(dev);
1148 }
1149
1150 #ifdef MODULE
1151 #error This code is not currently supported as a module
1152 static struct net_device *dev_sun3_82586;
1153
1154 int init_module(void)
1155 {
1156         dev_sun3_82586 = sun3_82586_probe(-1);
1157         if (IS_ERR(dev_sun3_82586))
1158                 return PTR_ERR(dev_sun3_82586);
1159         return 0;
1160 }
1161
1162 void cleanup_module(void)
1163 {
1164         unsigned long ioaddr = dev_sun3_82586->base_addr;
1165         unregister_netdev(dev_sun3_82586);
1166         release_region(ioaddr, SUN3_82586_TOTAL_SIZE);
1167         iounmap((void *)ioaddr);
1168         free_netdev(dev_sun3_82586);
1169 }
1170 #endif /* MODULE */
1171
1172 #if 0
1173 /*
1174  * DUMP .. we expect a not running CMD unit and enough space
1175  */
1176 void sun3_82586_dump(struct net_device *dev,void *ptr)
1177 {
1178         struct priv *p = netdev_priv(dev);
1179         struct dump_cmd_struct *dump_cmd = (struct dump_cmd_struct *) ptr;
1180         int i;
1181
1182         p->scb->cmd_cuc = CUC_ABORT;
1183         sun3_attn586();
1184         WAIT_4_SCB_CMD();
1185         WAIT_4_SCB_CMD_RUC();
1186
1187         dump_cmd->cmd_status = 0;
1188         dump_cmd->cmd_cmd = CMD_DUMP | CMD_LAST;
1189         dump_cmd->dump_offset = make16((dump_cmd + 1));
1190         dump_cmd->cmd_link = 0xffff;
1191
1192         p->scb->cbl_offset = make16(dump_cmd);
1193         p->scb->cmd_cuc = CUC_START;
1194         sun3_attn586();
1195         WAIT_4_STAT_COMPL(dump_cmd);
1196
1197         if( (dump_cmd->cmd_status & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
1198                                 printk("%s: Can't get dump information.\n",dev->name);
1199
1200         for(i=0;i<170;i++) {
1201                 printk("%02x ",(int) ((unsigned char *) (dump_cmd + 1))[i]);
1202                 if(i % 24 == 23)
1203                         printk("\n");
1204         }
1205         printk("\n");
1206 }
1207 #endif
1208
1209 MODULE_LICENSE("GPL");