root/net/appletalk/dev.c

DEFINITIONS

1. ltalk_change_mtu
2. ltalk_mac_addr
3. ltalk_setup
4. alloc_ltalkdev

/*
 * Moved here from drivers/net/net_init.c, which is:
 *      Written 1993,1994,1995 by Donald Becker.
 */

#include <linux/errno.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/if_ltalk.h>

static int ltalk_change_mtu(struct net_device *dev, int mtu)
{
        return -EINVAL;
}

static int ltalk_mac_addr(struct net_device *dev, void *addr)
{
        return -EINVAL;
}

static void ltalk_setup(struct net_device *dev)
{
        /* Fill in the fields of the device structure with localtalk-generic values. */

        dev->change_mtu         = ltalk_change_mtu;
        dev->set_mac_address    = ltalk_mac_addr;

        dev->type               = ARPHRD_LOCALTLK;
        dev->hard_header_len    = LTALK_HLEN;
        dev->mtu                = LTALK_MTU;
        dev->addr_len           = LTALK_ALEN;
        dev->tx_queue_len       = 10;

        dev->broadcast[0]       = 0xFF;

        dev->flags              = IFF_BROADCAST|IFF_MULTICAST|IFF_NOARP;
}

/**
 * alloc_ltalkdev - Allocates and sets up an localtalk device
 * @sizeof_priv: Size of additional driver-private structure to be allocated
 *      for this localtalk device
 *
 * Fill in the fields of the device structure with localtalk-generic
 * values. Basically does everything except registering the device.
 *
 * Constructs a new net device, complete with a private data area of
 * size @sizeof_priv.  A 32-byte (not bit) alignment is enforced for
 * this private data area.
 */

struct net_device *alloc_ltalkdev(int sizeof_priv)
{
        return alloc_netdev(sizeof_priv, "lt%d", ltalk_setup);
}
EXPORT_SYMBOL(alloc_ltalkdev);