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/*
Copyright (C) 1995,96,98,99,2000 Free Software Foundation, Inc.
Written by Michael I. Bushnell, p/BSG.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include "pfinet.h"
#include <device/device.h>
#include <device/net_status.h>
#include <netinet/in.h>
#include <string.h>
#include <error.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
struct dummy_device
{
struct dummy_device *next;
struct device dev;
struct net_device_stats stats;
};
/* Linked list of all dummy devices. */
struct dummy_device *dummy_dev;
struct net_device_stats *
dummy_get_stats (struct device *dev)
{
struct dummy_device *ddev = (struct dummy_device *) dev->priv;
return &ddev->stats;
}
int
dummy_stop (struct device *dev)
{
return 0;
}
void
dummy_set_multi (struct device *dev)
{
}
int
dummy_open (struct device *dev)
{
return 0;
}
int
dummy_xmit (struct sk_buff *skb, struct device *dev)
{
struct dummy_device *ddev = (struct dummy_device *) dev->priv;
ddev->stats.tx_packets++;
ddev->stats.tx_bytes += skb->len;
dev_kfree_skb (skb);
return 0;
}
void
setup_dummy_device (char *name, struct device **device)
{
error_t err;
struct dummy_device *ddev;
struct device *dev;
ddev = calloc (1, sizeof (struct dummy_device));
if (!ddev)
error (2, ENOMEM, "%s", name);
ddev->next = dummy_dev;
dummy_dev = ddev;
*device = dev = &ddev->dev;
dev->name = strdup (name);
dev->priv = ddev;
dev->get_stats = dummy_get_stats;
dev->open = dummy_open;
dev->stop = dummy_stop;
dev->hard_start_xmit = dummy_xmit;
dev->set_multicast_list = dummy_set_multi;
/* These are the ones set by drivers/net/net_init.c::ether_setup. */
dev->hard_header = eth_header;
dev->rebuild_header = eth_rebuild_header;
dev->hard_header_cache = eth_header_cache;
dev->header_cache_update = eth_header_cache_update;
dev->hard_header_parse = eth_header_parse;
/* We can't do these two (and we never try anyway). */
/* dev->change_mtu = eth_change_mtu; */
/* dev->set_mac_address = eth_mac_addr; */
/* Some more fields */
dev->type = ARPHRD_ETHER;
dev->hard_header_len = ETH_HLEN;
dev->addr_len = ETH_ALEN;
memset (dev->broadcast, 0xff, ETH_ALEN);
dev->flags = IFF_BROADCAST | IFF_MULTICAST;
dev_init_buffers (dev);
dev->mtu = 1500;
dev->tx_queue_len = 0;
dev->flags |= IFF_NOARP;
dev->flags &= ~IFF_MULTICAST;
/* That should be enough. */
/* This call adds the device to the `dev_base' chain,
initializes its `ifindex' member (which matters!),
and tells the protocol stacks about the device. */
err = - register_netdevice (dev);
assert_perror (err);
}
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