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 
ltalk_setup(struct net_device * dev)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 
alloc_ltalkdev(int sizeof_priv)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);
47