1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ***   To edit the content of this header, modify the corresponding
11 ***   source file (e.g. under external/kernel-headers/original/) then
12 ***   run bionic/libc/kernel/tools/update_all.py
13 ***
14 ***   Any manual change here will be lost the next time this script will
15 ***   be run. You've been warned!
16 ***
17 ****************************************************************************
18 ****************************************************************************/
19#ifndef _UAPI_LINUX_VIRTIO_NET_H
20#define _UAPI_LINUX_VIRTIO_NET_H
21#include <linux/types.h>
22#include <linux/virtio_ids.h>
23#include <linux/virtio_config.h>
24#include <linux/virtio_types.h>
25#include <linux/if_ether.h>
26#define VIRTIO_NET_F_CSUM 0
27#define VIRTIO_NET_F_GUEST_CSUM 1
28#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2
29#define VIRTIO_NET_F_MTU 3
30#define VIRTIO_NET_F_MAC 5
31#define VIRTIO_NET_F_GUEST_TSO4 7
32#define VIRTIO_NET_F_GUEST_TSO6 8
33#define VIRTIO_NET_F_GUEST_ECN 9
34#define VIRTIO_NET_F_GUEST_UFO 10
35#define VIRTIO_NET_F_HOST_TSO4 11
36#define VIRTIO_NET_F_HOST_TSO6 12
37#define VIRTIO_NET_F_HOST_ECN 13
38#define VIRTIO_NET_F_HOST_UFO 14
39#define VIRTIO_NET_F_MRG_RXBUF 15
40#define VIRTIO_NET_F_STATUS 16
41#define VIRTIO_NET_F_CTRL_VQ 17
42#define VIRTIO_NET_F_CTRL_RX 18
43#define VIRTIO_NET_F_CTRL_VLAN 19
44#define VIRTIO_NET_F_CTRL_RX_EXTRA 20
45#define VIRTIO_NET_F_GUEST_ANNOUNCE 21
46#define VIRTIO_NET_F_MQ 22
47#define VIRTIO_NET_F_CTRL_MAC_ADDR 23
48#ifndef VIRTIO_NET_NO_LEGACY
49#define VIRTIO_NET_F_GSO 6
50#endif
51#define VIRTIO_NET_S_LINK_UP 1
52#define VIRTIO_NET_S_ANNOUNCE 2
53struct virtio_net_config {
54  __u8 mac[ETH_ALEN];
55  __u16 status;
56  __u16 max_virtqueue_pairs;
57  __u16 mtu;
58} __attribute__((packed));
59struct virtio_net_hdr_v1 {
60#define VIRTIO_NET_HDR_F_NEEDS_CSUM 1
61#define VIRTIO_NET_HDR_F_DATA_VALID 2
62  __u8 flags;
63#define VIRTIO_NET_HDR_GSO_NONE 0
64#define VIRTIO_NET_HDR_GSO_TCPV4 1
65#define VIRTIO_NET_HDR_GSO_UDP 3
66#define VIRTIO_NET_HDR_GSO_TCPV6 4
67#define VIRTIO_NET_HDR_GSO_ECN 0x80
68  __u8 gso_type;
69  __virtio16 hdr_len;
70  __virtio16 gso_size;
71  __virtio16 csum_start;
72  __virtio16 csum_offset;
73  __virtio16 num_buffers;
74};
75#ifndef VIRTIO_NET_NO_LEGACY
76struct virtio_net_hdr {
77  __u8 flags;
78  __u8 gso_type;
79  __virtio16 hdr_len;
80  __virtio16 gso_size;
81  __virtio16 csum_start;
82  __virtio16 csum_offset;
83};
84struct virtio_net_hdr_mrg_rxbuf {
85  struct virtio_net_hdr hdr;
86  __virtio16 num_buffers;
87};
88#endif
89struct virtio_net_ctrl_hdr {
90  __u8 class;
91  __u8 cmd;
92} __attribute__((packed));
93typedef __u8 virtio_net_ctrl_ack;
94#define VIRTIO_NET_OK 0
95#define VIRTIO_NET_ERR 1
96#define VIRTIO_NET_CTRL_RX 0
97#define VIRTIO_NET_CTRL_RX_PROMISC 0
98#define VIRTIO_NET_CTRL_RX_ALLMULTI 1
99#define VIRTIO_NET_CTRL_RX_ALLUNI 2
100#define VIRTIO_NET_CTRL_RX_NOMULTI 3
101#define VIRTIO_NET_CTRL_RX_NOUNI 4
102#define VIRTIO_NET_CTRL_RX_NOBCAST 5
103struct virtio_net_ctrl_mac {
104  __virtio32 entries;
105  __u8 macs[][ETH_ALEN];
106} __attribute__((packed));
107#define VIRTIO_NET_CTRL_MAC 1
108#define VIRTIO_NET_CTRL_MAC_TABLE_SET 0
109#define VIRTIO_NET_CTRL_MAC_ADDR_SET 1
110#define VIRTIO_NET_CTRL_VLAN 2
111#define VIRTIO_NET_CTRL_VLAN_ADD 0
112#define VIRTIO_NET_CTRL_VLAN_DEL 1
113#define VIRTIO_NET_CTRL_ANNOUNCE 3
114#define VIRTIO_NET_CTRL_ANNOUNCE_ACK 0
115struct virtio_net_ctrl_mq {
116  __virtio16 virtqueue_pairs;
117};
118#define VIRTIO_NET_CTRL_MQ 4
119#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0
120#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1
121#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000
122#define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5
123#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0
124#endif
125