drivers/net/ni65.c

/* */
This source file includes following definitions.
ni65_open
ni65_close
ni65_probe
ni65_probe1
am7990_reinit
ni65_interrupt
xmit_intr
recv_intr
ni65_send_packet
ni65_get_stats
set_multicast_list
   1 /*
   2  * ni6510 (am7990 'lance' chip) driver for Linux-net-3 by MH
   3  * Alphacode v0.33 (94/08/22) for 1.1.47 (or later)
   4  *
   5  * ----------------------------------------------------------
   6  * WARNING: DOESN'T WORK ON MACHINES WITH MORE THAN 16MB !!!!
   7  * ----------------------------------------------------------
   8  *
   9  * copyright (c) 1994 M.Hipp
  10  *
  11  * This is an extension to the Linux operating system, and is covered by the
  12  * same Gnu Public License that covers the Linux-kernel.
  13  *
  14  * comments/bugs/suggestions can be sent to:
  15  *    Michael Hipp
  16  *    email: mhipp@student.uni-tuebingen.de
  17  *
  18  * sources:
  19  *  some things are from the 'ni6510-packet-driver for dos by Russ Nelson'
  20  *  and from the original drivers by D.Becker
  21  */
  22 
  23 /*
  24  * Aug.22: changes in xmit_intr (ack more than one xmitted-packet), ni65_send_packet (p->lock) (MH)
  25  *
  26  * July.16: fixed bugs in recv_skb and skb-alloc stuff  (MH)
  27  */
  28 
  29 /*
  30  * known BUGS: 16MB limit
  31  */
  32 
  33 #include <linux/kernel.h>
  34 #include <linux/sched.h>
  35 #include <linux/string.h>
  36 #include <linux/ptrace.h>
  37 #include <linux/errno.h>
  38 #include <linux/ioport.h>
  39 #include <linux/malloc.h>
  40 #include <linux/interrupt.h>
  41 #include <asm/bitops.h>
  42 #include <asm/io.h>
  43 #include <asm/dma.h>
  44 
  45 #include <linux/netdevice.h>
  46 #include <linux/etherdevice.h>
  47 #include <linux/skbuff.h>
  48 
  49 #include "ni65.h"
  50 
  51 /************************************
  52  * skeleton-stuff
  53  */
  54 
  55 #ifndef HAVE_PORTRESERVE
  56 #define check_region(ioaddr, size)              0
  57 #define request_region(ioaddr, size,name)       do ; while (0)
  58 #endif
  59 
  60 #ifndef NET_DEBUG
  61 #define NET_DEBUG 2
  62 #endif
  63 /*
  64 static unsigned int net_debug = NET_DEBUG;
  65 */
  66 
  67 #define NI65_TOTAL_SIZE    16
  68 
  69 #define SA_ADDR0 0x02
  70 #define SA_ADDR1 0x07
  71 #define SA_ADDR2 0x01
  72 #define CARD_ID0 0x00
  73 #define CARD_ID1 0x55
  74 
  75 /*****************************************/
  76 
  77 #define PORT dev->base_addr
  78 
  79 #define RMDNUM 8
  80 #define RMDNUMMASK 0x6000 /* log2(RMDNUM)<<13 */
  81 #define TMDNUM 4
  82 #define TMDNUMMASK 0x4000 /* log2(TMDNUM)<<13 */
  83 
  84 #define R_BUF_SIZE 1518
  85 #define T_BUF_SIZE 1518
  86 
  87 #define MEMSIZE 8+RMDNUM*8+TMDNUM*8
  88 
  89 #define L_DATAREG 0x00
  90 #define L_ADDRREG 0x02
  91 
  92 #define L_RESET   0x04
  93 #define L_CONFIG  0x05
  94 #define L_EBASE   0x08
  95 
  96 /* 
  97  * to access the am7990-regs, you have to write
  98  * reg-number into L_ADDRREG, then you can access it using L_DATAREG
  99  */
 100 #define CSR0 0x00
 101 #define CSR1 0x01
 102 #define CSR2 0x02
 103 #define CSR3 0x03
 104 
 105 /* if you #define NO_STATIC the driver is faster but you will have (more) problems with >16MB memory */
 106 #undef NO_STATIC
 107 
 108 #define writereg(val,reg) {outw(reg,PORT+L_ADDRREG);inw(PORT+L_ADDRREG); \
 109                            outw(val,PORT+L_DATAREG);inw(PORT+L_DATAREG);}
 110 #define readreg(reg) (outw(reg,PORT+L_ADDRREG),inw(PORT+L_ADDRREG),\
 111                        inw(PORT+L_DATAREG))
 112 #define writedatareg(val) {outw(val,PORT+L_DATAREG);inw(PORT+L_DATAREG);}
 113 
 114 static int   ni65_probe1(struct device *dev,int);
 115 static void  ni65_interrupt(int irq, struct pt_regs *regs);
 116   static void recv_intr(struct device *dev);
 117   static void xmit_intr(struct device *dev);
 118 static int   ni65_open(struct device *dev);
 119    static int am7990_reinit(struct device *dev);
 120 static int   ni65_send_packet(struct sk_buff *skb, struct device *dev);
 121 static int   ni65_close(struct device *dev);
 122 static struct enet_statistics *ni65_get_stats(struct device *);
 123 
 124 static void set_multicast_list(struct device *dev, int num_addrs, void *addrs);
 125 
 126 struct priv 
 127 {
 128   struct init_block ib; 
 129   void *memptr;
 130   struct rmd *rmdhead;
 131   struct tmd *tmdhead;
 132   int rmdnum;
 133   int tmdnum,tmdlast;
 134   struct sk_buff *recv_skb[RMDNUM];
 135   void *tmdbufs[TMDNUM];
 136   int lock,xmit_queued;
 137   struct enet_statistics stats;
 138 }; 
 139 
 140 int irqtab[] = { 9,12,15,5 }; /* irq config-translate */
 141 int dmatab[] = { 0,3,5,6 };   /* dma config-translate */
 142 
 143 /*
 144  * open (most done by init) 
 145  */
 146 
 147 static int ni65_open(struct device *dev)
     /*  */
 148 {
 149   if(am7990_reinit(dev))
 150   {
 151     dev->tbusy     = 0;
 152     dev->interrupt = 0;
 153     dev->start     = 1;
 154     return 0;
 155   }
 156   else
 157   {
 158     dev->start = 0;
 159     return -EAGAIN;
 160   }
 161 }
 162 
 163 static int ni65_close(struct device *dev)
     /*  */
 164 {
 165   outw(0,PORT+L_RESET); /* that's the hard way */
 166   dev->tbusy = 1;
 167   dev->start = 0;
 168   return 0; 
 169 }
 170 
 171 /* 
 172  * Probe The Card (not the lance-chip) 
 173  * and set hardaddress
 174  */ 
 175 
 176 int ni65_probe(struct device *dev)
     /*  */
 177 {
 178   int *port, ports[] = {0x300,0x320,0x340,0x360, 0};
 179   int base_addr = dev->base_addr;
 180 
 181   if (base_addr > 0x1ff)          /* Check a single specified location. */
 182      return ni65_probe1(dev, base_addr);
 183   else if (base_addr > 0)         /* Don't probe at all. */
 184      return ENXIO;
 185 
 186   for (port = ports; *port; port++) 
 187   {
 188     int ioaddr = *port;
 189     if (check_region(ioaddr, NI65_TOTAL_SIZE))
 190        continue;
 191     if( !(inb(ioaddr+L_EBASE+6) == CARD_ID0) || 
 192         !(inb(ioaddr+L_EBASE+7) == CARD_ID1) )
 193        continue;
 194     dev->base_addr = ioaddr;
 195     if (ni65_probe1(dev, ioaddr) == 0)
 196        return 0;
 197   }
 198 
 199   dev->base_addr = base_addr;
 200   return ENODEV;
 201 }
 202 
 203 
 204 static int ni65_probe1(struct device *dev,int ioaddr)
     /*  */
 205 {
 206   int i;
 207   unsigned char station_addr[6];
 208   struct priv *p; 
 209 
 210   for(i=0;i<6;i++)
 211     station_addr[i] = dev->dev_addr[i] = inb(PORT+L_EBASE+i);
 212 
 213   if(station_addr[0] != SA_ADDR0 || station_addr[1] != SA_ADDR1)
 214   {
 215     printk("%s: wrong Hardaddress \n",dev->name);
 216     return ENODEV;
 217   }
 218 
 219   if(dev->irq == 0) 
 220     dev->irq = irqtab[(inw(PORT+L_CONFIG)>>2)&3];
 221   if(dev->dma == 0)  
 222     dev->dma = dmatab[inw(PORT+L_CONFIG)&3];
 223 
 224   printk("%s: %s found at %#3lx, IRQ %d DMA %d.\n", dev->name,
 225            "network card", dev->base_addr, dev->irq,dev->dma);
 226 
 227   {        
 228     int irqval = request_irq(dev->irq, &ni65_interrupt,0,"ni65");
 229     if (irqval) {
 230       printk ("%s: unable to get IRQ %d (irqval=%d).\n", 
 231                 dev->name,dev->irq, irqval);
 232       return EAGAIN;
 233     }
 234     if(request_dma(dev->dma, "ni65") != 0)
 235     {
 236       printk("%s: Can't request dma-channel %d\n",dev->name,(int) dev->dma);
 237       free_irq(dev->irq);
 238       return EAGAIN;
 239     }
 240   }
 241   irq2dev_map[dev->irq] = dev;
 242 
 243   /* Grab the region so we can find another board if autoIRQ fails. */
 244         request_region(ioaddr,NI65_TOTAL_SIZE,"ni65");
 245 
 246   p = dev->priv = (void *) kmalloc(sizeof(struct priv),GFP_KERNEL);
 247   if (p == NULL)
 248         return -ENOMEM;
 249   memset((char *) dev->priv,0,sizeof(struct priv));
 250 
 251   dev->open               = ni65_open;
 252   dev->stop               = ni65_close;
 253   dev->hard_start_xmit    = ni65_send_packet;
 254   dev->get_stats          = ni65_get_stats;
 255   dev->set_multicast_list = set_multicast_list;
 256 
 257   ether_setup(dev);
 258 
 259   dev->flags         &= ~IFF_MULTICAST;
 260   dev->interrupt      = 0;
 261   dev->tbusy          = 0;
 262   dev->start          = 0;
 263 
 264   if( (p->memptr = kmalloc(MEMSIZE,GFP_KERNEL)) == NULL) {
 265     printk("%s: Can't alloc TMD/RMD-buffer.\n",dev->name);
 266     return EAGAIN;
 267   }
 268   if( (unsigned long) (p->memptr + MEMSIZE) & 0xff000000) {
 269     printk("%s: Can't alloc TMD/RMD buffer in lower 16MB!\n",dev->name);
 270     return EAGAIN;
 271   }
 272   p->tmdhead = (struct tmd *) ((( (unsigned long)p->memptr ) + 8) & 0xfffffff8);
 273   p->rmdhead = (struct rmd *) (p->tmdhead + TMDNUM);   
 274 
 275 #ifndef NO_STATIC
 276    for(i=0;i<TMDNUM;i++)
 277    {
 278      if( (p->tmdbufs[i] = kmalloc(T_BUF_SIZE,GFP_ATOMIC)) == NULL) {
 279        printk("%s: Can't alloc Xmit-Mem.\n",dev->name);
 280        return EAGAIN;
 281      }
 282      if( (unsigned long) (p->tmdbufs[i]+T_BUF_SIZE) & 0xff000000) {
 283        printk("%s: Can't alloc Xmit-Mem in lower 16MB!\n",dev->name);
 284        return EAGAIN;
 285      }
 286    }
 287 #endif
 288 
 289    for(i=0;i<RMDNUM;i++)
 290    {
 291      if( (p->recv_skb[i] = dev_alloc_skb(R_BUF_SIZE)) == NULL) {
 292        printk("%s: unable to alloc recv-mem\n",dev->name);
 293        return EAGAIN;
 294      }
 295      if( (unsigned long) (p->recv_skb[i]->data + R_BUF_SIZE) & 0xff000000) {
 296        printk("%s: unable to alloc receive-memory in lower 16MB!\n",dev->name);
 297        return EAGAIN;
 298      }
 299    }
 300 
 301   return 0; /* we've found everything */
 302 }
 303 
 304 /* 
 305  * init lance (write init-values .. init-buffers) (open-helper)
 306  */
 307 
 308 static int am7990_reinit(struct device *dev)
     /*  */
 309 {
 310    int i,j;
 311    struct tmd *tmdp;
 312    struct rmd *rmdp;
 313    struct priv *p = (struct priv *) dev->priv;
 314 
 315    p->lock = 0;
 316    p->xmit_queued = 0;
 317 
 318    disable_dma(dev->dma); /* I've never worked with dma, but we do it like the packetdriver */
 319    set_dma_mode(dev->dma,DMA_MODE_CASCADE);
 320    enable_dma(dev->dma); 
 321 
 322    outw(0,PORT+L_RESET); /* first: reset the card */
 323    if(inw(PORT+L_DATAREG) != 0x4)
 324    {
 325      printk("%s: can't RESET ni6510 card: %04x\n",dev->name,(int) inw(PORT+L_DATAREG));
 326      disable_dma(dev->dma);
 327      free_dma(dev->dma);
 328      free_irq(dev->irq);
 329      return 0;
 330    }
 331 
 332    /* here: memset all buffs to zero */
 333 
 334    memset(p->memptr,0,MEMSIZE);
 335 
 336    p->tmdnum = 0; p->tmdlast = 0;
 337    for(i=0;i<TMDNUM;i++)
 338    {
 339      tmdp = p->tmdhead + i;
 340 #ifndef NO_STATIC
 341      tmdp->u.buffer = (unsigned long) p->tmdbufs[i];     
 342 #endif
 343      tmdp->u.s.status = XMIT_START | XMIT_END;
 344    }
 345 
 346    p->rmdnum = 0;
 347    for(i=0;i<RMDNUM;i++)
 348    {
 349      rmdp = p->rmdhead + i;
 350      rmdp->u.buffer = (unsigned long) p->recv_skb[i]->data;
 351      rmdp->u.s.status = RCV_OWN;
 352      rmdp->blen = -R_BUF_SIZE;
 353      rmdp->mlen = 0;
 354    }
 355    
 356    for(i=0;i<6;i++)
 357    {
 358      p->ib.eaddr[i] = dev->dev_addr[i];
 359    }
 360    p->ib.mode = 0;
 361    for(i=0;i<8;i++) 
 362      p->ib.filter[i] = 0;
 363    p->ib.trplow = (unsigned short) (( (unsigned long) p->tmdhead ) & 0xffff);
 364    p->ib.trphigh = (unsigned short) ((( (unsigned long) p->tmdhead )>>16) & 0x00ff) | TMDNUMMASK; 
 365    p->ib.rrplow = (unsigned short) (( (unsigned long) p->rmdhead ) & 0xffff);
 366    p->ib.rrphigh = (unsigned short) ((( (unsigned long) p->rmdhead )>>16) & 0x00ff) | RMDNUMMASK;
 367 
 368    writereg(0,CSR3);  /* busmaster/no word-swap */
 369    writereg((unsigned short) (((unsigned long) &(p->ib)) & 0xffff),CSR1);
 370    writereg((unsigned short) (((unsigned long) &(p->ib))>>16),CSR2);
 371    
 372    writereg(CSR0_INIT,CSR0); /* this changes L_ADDRREG to CSR0 */
 373 
 374   /*
 375    * NOW, WE NEVER WILL CHANGE THE L_ADDRREG, CSR0 IS ALWAYS SELECTED 
 376    */
 377 
 378     for(i=0;i<5;i++)
 379     {
 380       for(j=0;j<2000000;j++); /* wait a while */
 381       if(inw(PORT+L_DATAREG) & CSR0_IDON) break; /* init ok ? */
 382     }
 383     if(i == 5) 
 384     {
 385       printk("%s: can't init am7990, status: %04x\n",dev->name,(int) inw(PORT+L_DATAREG));
 386       disable_dma(dev->dma);
 387       free_dma(dev->dma);
 388       free_irq(dev->irq);
 389       return 0; /* false */
 390     } 
 391 
 392     writedatareg(CSR0_CLRALL | CSR0_INEA | CSR0_STRT); /* start lance , enable interrupts */
 393 
 394     return 1; /* OK */
 395 }
 396  
 397 /* 
 398  * interrupt handler  
 399  */
 400 
 401 static void ni65_interrupt(int irq, struct pt_regs * regs)
     /*  */
 402 {
 403   int csr0;
 404   struct device *dev = (struct device *) irq2dev_map[irq];
 405 
 406   if (dev == NULL) {
 407     printk ("net_interrupt(): irq %d for unknown device.\n", irq);
 408     return;
 409   }
 410 
 411   csr0 = inw(PORT+L_DATAREG);
 412   writedatareg(csr0 & CSR0_CLRALL); /* ack interrupts, disable int. */
 413 
 414   dev->interrupt = 1;
 415 
 416   if(csr0 & CSR0_ERR)
 417   {
 418      struct priv *p = (struct priv *) dev->priv;
 419 
 420      if(csr0 & CSR0_BABL)
 421        p->stats.tx_errors++;
 422      if(csr0 & CSR0_MISS)
 423        p->stats.rx_errors++;
 424   }
 425 
 426   if(csr0 & CSR0_RINT) /* RECV-int? */
 427   { 
 428     recv_intr(dev);
 429   }
 430   if(csr0 & CSR0_TINT) /* XMIT-int? */
 431   {  
 432     xmit_intr(dev);
 433   }
 434 
 435   writedatareg(CSR0_INEA);  /* reenable inter. */
 436   dev->interrupt = 0;
 437 
 438   return;
 439 }
 440 
 441 /*
 442  * We have received an Xmit-Interrupt ..
 443  * send a new packet if necessary
 444  */
 445 
 446 static void xmit_intr(struct device *dev)
     /*  */
 447 {
 448   int tmdstat;
 449   struct tmd *tmdp;
 450   struct priv *p = (struct priv *) dev->priv;
 451 
 452 #ifdef NO_STATIC
 453   struct sk_buff *skb;
 454 #endif
 455 
 456   while(p->xmit_queued)
 457   {
 458     tmdp = p->tmdhead + p->tmdlast;
 459     tmdstat = tmdp->u.s.status;
 460     if(tmdstat & XMIT_OWN)
 461       break;
 462 #ifdef NO_STATIC
 463     skb = (struct sk_buff *) p->tmdbufs[p->tmdlast];
 464     dev_kfree_skb(skb,FREE_WRITE); 
 465 #endif
 466 
 467     if(tmdstat & XMIT_ERR)
 468     {
 469       printk("%s: xmit-error: %04x %04x\n",dev->name,(int) tmdstat,(int) tmdp->status2);
 470       if(tmdp->status2 & XMIT_TDRMASK) 
 471         printk("%s: tdr-problems (e.g. no resistor)\n",dev->name);
 472 
 473      /* checking some errors */
 474       if(tmdp->status2 & XMIT_RTRY) 
 475         p->stats.tx_aborted_errors++;
 476       if(tmdp->status2 & XMIT_LCAR) 
 477         p->stats.tx_carrier_errors++;
 478       p->stats.tx_errors++;
 479       tmdp->status2 = 0;
 480     }
 481     else
 482       p->stats.tx_packets++;
 483 
 484     p->tmdlast = (p->tmdlast + 1) & (TMDNUM-1);
 485     if(p->tmdlast == p->tmdnum)
 486       p->xmit_queued = 0;
 487   }
 488 
 489   dev->tbusy = 0;
 490   mark_bh(NET_BH);
 491 }
 492 
 493 /*
 494  * We have received a packet
 495  */
 496 
 497 static void recv_intr(struct device *dev)
     /*  */
 498 {
 499   struct rmd *rmdp; 
 500   int rmdstat,len;
 501   struct sk_buff *skb,*skb1;
 502   struct priv *p = (struct priv *) dev->priv;
 503 
 504   rmdp = p->rmdhead + p->rmdnum;
 505   while(!( (rmdstat = rmdp->u.s.status) & RCV_OWN))
 506   {
 507     if( (rmdstat & (RCV_START | RCV_END)) != (RCV_START | RCV_END) ) /* is packet start & end? */ 
 508     {
 509       if(rmdstat & RCV_START)
 510       {
 511         p->stats.rx_errors++;
 512         p->stats.rx_length_errors++;
 513         printk("%s: packet too long\n",dev->name);
 514       }
 515       rmdp->u.s.status = RCV_OWN; /* change owner */
 516     }
 517     else if(rmdstat & RCV_ERR)
 518     {
 519       printk("%s: receive-error: %04x\n",dev->name,(int) rmdstat );
 520       p->stats.rx_errors++;
 521       if(rmdstat & RCV_FRAM) p->stats.rx_frame_errors++;
 522       if(rmdstat & RCV_OFLO) p->stats.rx_over_errors++;
 523       if(rmdstat & RCV_CRC)  p->stats.rx_crc_errors++;
 524       rmdp->u.s.status = RCV_OWN;
 525       printk("%s: lance-status: %04x\n",dev->name,(int) inw(PORT+L_DATAREG));
 526     }
 527     else
 528     {
 529       len = (rmdp->mlen & 0x0fff) - 4; /* -4: ignore FCS */
 530       skb = dev_alloc_skb(R_BUF_SIZE);
 531       if(skb != NULL)
 532       {
 533         if( (unsigned long) (skb->data + R_BUF_SIZE) & 0xff000000) {
 534           memcpy(skb_put(skb,len),p->recv_skb[p->rmdnum]->data,len);
 535           skb1 = skb;
 536         }
 537         else {
 538           skb1 = p->recv_skb[p->rmdnum];
 539           p->recv_skb[p->rmdnum] = skb;
 540           rmdp->u.buffer = (unsigned long) skb_put(skb1,len);
 541         }
 542         rmdp->u.s.status = RCV_OWN;
 543         rmdp->mlen = 0;   /* not necc ???? */
 544         skb1->dev = dev;
 545         p->stats.rx_packets++;
 546         skb1->protocol=eth_type_trans(skb1,dev);
 547         netif_rx(skb1);
 548       }
 549       else
 550       {
 551         rmdp->u.s.status = RCV_OWN;
 552         printk("%s: can't alloc new sk_buff\n",dev->name);
 553         p->stats.rx_dropped++;
 554       }
 555     }
 556     p->rmdnum++; p->rmdnum &= RMDNUM-1;
 557     rmdp = p->rmdhead + p->rmdnum;
 558   }
 559 }
 560 
 561 /*
 562  * kick xmitter ..
 563  */
 564 
 565 static int ni65_send_packet(struct sk_buff *skb, struct device *dev)
     /*  */
 566 {
 567   struct priv *p = (struct priv *) dev->priv;
 568   struct tmd *tmdp;
 569 
 570   if(dev->tbusy)
 571   {
 572     int tickssofar = jiffies - dev->trans_start;
 573     if (tickssofar < 25)
 574       return 1;
 575 
 576     printk("%s: xmitter timed out, try to restart!\n",dev->name);
 577     am7990_reinit(dev);
 578     dev->tbusy=0;
 579     dev->trans_start = jiffies;
 580   }
 581 
 582   if(skb == NULL)
 583   {
 584     dev_tint(dev);
 585     return 0;
 586   }
 587 
 588   if (skb->len <= 0)
 589     return 0;
 590 
 591   if (set_bit(0, (void*)&dev->tbusy) != 0)
 592   {
 593      printk("%s: Transmitter access conflict.\n", dev->name);
 594      return 1;
 595   }
 596   if(set_bit(0,(void*) &p->lock) != 0)
 597   {
 598     printk("%s: Queue was locked!\n",dev->name);
 599     return 1;
 600   }
 601 
 602   {
 603     short len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
 604 
 605     tmdp = p->tmdhead + p->tmdnum;
 606 
 607 #ifdef NO_STATIC
 608     tmdp->u.buffer = (unsigned long) (skb->data);
 609     p->tmdbufs[p->tmdnum] = skb;
 610 #else
 611     memcpy((char *) (tmdp->u.buffer & 0x00ffffff),(char *)skb->data,skb->len);
 612     dev_kfree_skb (skb, FREE_WRITE);
 613 #endif
 614     tmdp->blen = -len;
 615     tmdp->u.s.status = XMIT_OWN | XMIT_START | XMIT_END;
 616 
 617     cli();
 618     p->xmit_queued = 1;
 619     writedatareg(CSR0_TDMD | CSR0_INEA); /* enable xmit & interrupt */
 620     p->tmdnum++; p->tmdnum &= TMDNUM-1;
 621  
 622     if( !((p->tmdhead + p->tmdnum)->u.s.status & XMIT_OWN) ) 
 623       dev->tbusy = 0;
 624     p->lock = 0;
 625     sti();
 626 
 627     dev->trans_start = jiffies;
 628 
 629   }
 630 
 631   return 0;
 632 }
 633 
 634 static struct enet_statistics *ni65_get_stats(struct device *dev)
     /*  */
 635 {
 636   return &((struct priv *) dev->priv)->stats;
 637 }
 638 
 639 static void set_multicast_list(struct device *dev, int num_addrs, void *addrs)
     /*  */
 640 {
 641 }
 642 
 643 /*
 644  * END of ni65.c 
 645  */
 646
/* */
root/drivers/net/ni65.c

DEFINITIONS
