linux/net/appletalk/dev.c
<<
>>
Prefs
   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
  13static 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
  41struct net_device *alloc_ltalkdev(int sizeof_priv)
  42{
  43        return alloc_netdev(sizeof_priv, "lt%d", NET_NAME_UNKNOWN,
  44                            ltalk_setup);
  45}
  46EXPORT_SYMBOL(alloc_ltalkdev);
  47