LXR linux/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
  12static int ltalk_change_mtu(struct net_device *dev, int mtu)
  13{
  14        return -EINVAL;
  15}
  16
  17static int ltalk_mac_addr(struct net_device *dev, void *addr)
  18{
  19        return -EINVAL;
  20}
  21
  22static void ltalk_setup(struct net_device *dev)
  23{
  24        /* Fill in the fields of the device structure with localtalk-generic values. */
  25
  26        dev->change_mtu         = ltalk_change_mtu;
  27        dev->set_mac_address    = ltalk_mac_addr;
  28
  29        dev->type               = ARPHRD_LOCALTLK;
  30        dev->hard_header_len    = LTALK_HLEN;
  31        dev->mtu                = LTALK_MTU;
  32        dev->addr_len           = LTALK_ALEN;
  33        dev->tx_queue_len       = 10;
  34
  35        dev->broadcast[0]       = 0xFF;
  36
  37        dev->flags              = IFF_BROADCAST|IFF_MULTICAST|IFF_NOARP;
  38}
  39
  40/**
  41 * alloc_ltalkdev - Allocates and sets up an localtalk device
  42 * @sizeof_priv: Size of additional driver-private structure to be allocated
  43 *      for this localtalk device
  44 *
  45 * Fill in the fields of the device structure with localtalk-generic
  46 * values. Basically does everything except registering the device.
  47 *
  48 * Constructs a new net device, complete with a private data area of
  49 * size @sizeof_priv.  A 32-byte (not bit) alignment is enforced for
  50 * this private data area.
  51 */
  52
  53struct net_device *alloc_ltalkdev(int sizeof_priv)
  54{
  55        return alloc_netdev(sizeof_priv, "lt%d", ltalk_setup);
  56}
  57EXPORT_SYMBOL(alloc_ltalkdev);
  58