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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
/*
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* Moved here from drivers/net/net_init.c, which is:
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* Written 1993,1994,1995 by Donald Becker.
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*/
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#include <linux/errno.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/if_arp.h>
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#include <linux/if_ltalk.h>
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static int ltalk_change_mtu(struct net_device *dev, int mtu)
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{
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return -EINVAL;
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}
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static int ltalk_mac_addr(struct net_device *dev, void *addr)
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{
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return -EINVAL;
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}
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static void ltalk_setup(struct net_device *dev)
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{
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/* Fill in the fields of the device structure with localtalk-generic values. */
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dev->change_mtu = ltalk_change_mtu;
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dev->set_mac_address = ltalk_mac_addr;
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dev->type = ARPHRD_LOCALTLK;
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dev->hard_header_len = LTALK_HLEN;
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dev->mtu = LTALK_MTU;
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dev->addr_len = LTALK_ALEN;
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dev->tx_queue_len = 10;
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dev->broadcast[0] = 0xFF;
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dev->flags = IFF_BROADCAST|IFF_MULTICAST|IFF_NOARP;
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}
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/**
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* alloc_ltalkdev - Allocates and sets up an localtalk device
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* @sizeof_priv: Size of additional driver-private structure to be allocated
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* for this localtalk device
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*
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* Fill in the fields of the device structure with localtalk-generic
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* values. Basically does everything except registering the device.
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*
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* Constructs a new net device, complete with a private data area of
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* size @sizeof_priv. A 32-byte (not bit) alignment is enforced for
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* this private data area.
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*/
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struct net_device *alloc_ltalkdev(int sizeof_priv)
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{
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return alloc_netdev(sizeof_priv, "lt%d", ltalk_setup);
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}
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EXPORT_SYMBOL(alloc_ltalkdev);
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