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/******************************************************************************
* Copyright (c) 2011 IBM Corporation
* All rights reserved.
* This program and the accompanying materials
* are made available under the terms of the BSD License
* which accompanies this distribution, and is available at
* http://www.opensource.org/licenses/bsd-license.php
*
* Contributors:
* IBM Corporation - initial implementation
*****************************************************************************/
#ifndef VIRTIO_NET_H
#define VIRTIO_NET_H
#include <netdriver.h>
#define RX_QUEUE_SIZE 128
#define BUFFER_ENTRY_SIZE 1514
enum {
VQ_RX = 0, /* Receive Queue */
VQ_TX = 1, /* Transmit Queue */
};
struct vqs {
uint64_t id; /* Queue ID */
uint32_t size;
void *buf_mem;
struct vring_desc *desc;
struct vring_avail *avail;
struct vring_used *used;
};
/* Device is identified by RX queue ID: */
#define DEVICE_ID vq[0].id
extern net_driver_t *virtionet_open(char *mac_addr, int len, struct virtio_device *dev);
extern void virtionet_close(net_driver_t *driver);
extern int virtionet_read(char *buf, int len);
extern int virtionet_write(char *buf, int len);
#endif
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