mirror of
https://github.com/adulau/aha.git
synced 2024-12-30 20:56:23 +00:00
3b04ddde02
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>
57 lines
1.4 KiB
C
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);
|