| /****************************************************************************** |
| * 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 |