linux/net/appletalk/dev.c
Stephen Hemminger 3b04ddde02 [NET]: Move hardware header operations out of netdevice.
Since hardware header operations are part of the protocol class
not the device instance, make them into a separate object and
save memory.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:52:52 -07:00

57 lines
1.4 KiB
C

/*
* 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);