net/appletalk/dev.c

   1 /*
   2  * Moved here from drivers/net/net_init.c, which is:
   3  *      Written 1993,1994,1995 by Donald Becker.
   4  */
   5
   6 #include <linux/errno.h>
   7 #include <linux/module.h>
   8 #include <linux/netdevice.h>
   9 #include <linux/if_arp.h>
  10 #include <linux/if_ltalk.h>
  11
  12 static void ltalk_setup(struct net_device *dev)
  13 {
  14         /* Fill in the fields of the device structure with localtalk-generic values. */
  15
  16         dev->type               = ARPHRD_LOCALTLK;
  17         dev->hard_header_len    = LTALK_HLEN;
  18         dev->mtu                = LTALK_MTU;
  19         dev->addr_len           = LTALK_ALEN;
  20         dev->tx_queue_len       = 10;
  21
  22         dev->broadcast[0]       = 0xFF;
  23
  24         dev->flags              = IFF_BROADCAST|IFF_MULTICAST|IFF_NOARP;
  25 }
  26
  27 /**
  28  * alloc_ltalkdev - Allocates and sets up an localtalk device
  29  * @sizeof_priv: Size of additional driver-private structure to be allocated
  30  *      for this localtalk device
  31  *
  32  * Fill in the fields of the device structure with localtalk-generic
  33  * values. Basically does everything except registering the device.
  34  *
  35  * Constructs a new net device, complete with a private data area of
  36  * size @sizeof_priv.  A 32-byte (not bit) alignment is enforced for
  37  * this private data area.
  38  */
  39
  40 struct net_device *alloc_ltalkdev(int sizeof_priv)
  41 {
  42         return alloc_netdev(sizeof_priv, "lt%d", ltalk_setup);
  43 }
  44 EXPORT_SYMBOL(alloc_ltalkdev);