net/appletalk/dev.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Moved here from drivers/net/net_init.c, which is:
   4  *      Written 1993,1994,1995 by Donald Becker.
   5  */
   6
   7 #include <linux/errno.h>
   8 #include <linux/module.h>
   9 #include <linux/netdevice.h>
  10 #include <linux/if_arp.h>
  11 #include <linux/if_ltalk.h>
  12
  13 static void ltalk_setup(struct net_device *dev)
  14 {
  15         /* Fill in the fields of the device structure with localtalk-generic values. */
  16
  17         dev->type               = ARPHRD_LOCALTLK;
  18         dev->hard_header_len    = LTALK_HLEN;
  19         dev->mtu                = LTALK_MTU;
  20         dev->addr_len           = LTALK_ALEN;
  21         dev->tx_queue_len       = 10;
  22
  23         dev->broadcast[0]       = 0xFF;
  24
  25         dev->flags              = IFF_BROADCAST|IFF_MULTICAST|IFF_NOARP;
  26 }
  27
  28 /**
  29  * alloc_ltalkdev - Allocates and sets up an localtalk device
  30  * @sizeof_priv: Size of additional driver-private structure to be allocated
  31  *      for this localtalk device
  32  *
  33  * Fill in the fields of the device structure with localtalk-generic
  34  * values. Basically does everything except registering the device.
  35  *
  36  * Constructs a new net device, complete with a private data area of
  37  * size @sizeof_priv.  A 32-byte (not bit) alignment is enforced for
  38  * this private data area.
  39  */
  40
  41 struct net_device *alloc_ltalkdev(int sizeof_priv)
  42 {
  43         return alloc_netdev(sizeof_priv, "lt%d", NET_NAME_UNKNOWN,
  44                             ltalk_setup);
  45 }
  46 EXPORT_SYMBOL(alloc_ltalkdev);