uspace/drv/nic/virtio-net/virtio-net.h

   1 /*
   2  * Copyright (c) 2018 Jakub Jermar
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef _VIRTIO_NET_H_
  30 #define _VIRTIO_NET_H_
  31
  32 #include <virtio-pci.h>
  33
  34 #define VIRTIO_NET_F_SELECT_PAGE_0      0
  35
  36 /** Device handles packets with partial checksum. */
  37 #define VIRTIO_NET_F_CSUM               0
  38 /** Driver handles packets with partial checksum. */
  39 #define VIRTIO_NET_F_GUEST_CSUM         2
  40 /** Device has given MAC address. */
  41 #define VIRTIO_NET_F_MAC                5
  42
  43 typedef struct {
  44         uint8_t mac[6];
  45 } virtio_net_cfg_t;
  46
  47 typedef struct {
  48         virtio_dev_t virtio_dev;
  49 } virtio_net_t;
  50
  51 #endif