From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- net/appletalk/dev.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 net/appletalk/dev.c (limited to 'net/appletalk/dev.c') diff --git a/net/appletalk/dev.c b/net/appletalk/dev.c new file mode 100644 index 000000000..284c8e585 --- /dev/null +++ b/net/appletalk/dev.c @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Moved here from drivers/net/net_init.c, which is: + * Written 1993,1994,1995 by Donald Becker. + */ + +#include +#include +#include +#include +#include + +static void ltalk_setup(struct net_device *dev) +{ + /* Fill in the fields of the device structure with localtalk-generic values. */ + + 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", NET_NAME_UNKNOWN, + ltalk_setup); +} +EXPORT_SYMBOL(alloc_ltalkdev); -- cgit v1.2.3