mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 12:39:23 +00:00
9a0e0ac21c
fix the following 'make headers_check' warning:
usr/include/linux/virtio_net.h:28: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
58 lines
2.3 KiB
C
58 lines
2.3 KiB
C
#ifndef _LINUX_VIRTIO_NET_H
|
|
#define _LINUX_VIRTIO_NET_H
|
|
/* This header is BSD licensed so anyone can use the definitions to implement
|
|
* compatible drivers/servers. */
|
|
#include <linux/types.h>
|
|
#include <linux/virtio_config.h>
|
|
|
|
/* The ID for virtio_net */
|
|
#define VIRTIO_ID_NET 1
|
|
|
|
/* The feature bitmap for virtio net */
|
|
#define VIRTIO_NET_F_CSUM 0 /* Host handles pkts w/ partial csum */
|
|
#define VIRTIO_NET_F_GUEST_CSUM 1 /* Guest handles pkts w/ partial csum */
|
|
#define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */
|
|
#define VIRTIO_NET_F_GSO 6 /* Host handles pkts w/ any GSO type */
|
|
#define VIRTIO_NET_F_GUEST_TSO4 7 /* Guest can handle TSOv4 in. */
|
|
#define VIRTIO_NET_F_GUEST_TSO6 8 /* Guest can handle TSOv6 in. */
|
|
#define VIRTIO_NET_F_GUEST_ECN 9 /* Guest can handle TSO[6] w/ ECN in. */
|
|
#define VIRTIO_NET_F_GUEST_UFO 10 /* Guest can handle UFO in. */
|
|
#define VIRTIO_NET_F_HOST_TSO4 11 /* Host can handle TSOv4 in. */
|
|
#define VIRTIO_NET_F_HOST_TSO6 12 /* Host can handle TSOv6 in. */
|
|
#define VIRTIO_NET_F_HOST_ECN 13 /* Host can handle TSO[6] w/ ECN in. */
|
|
#define VIRTIO_NET_F_HOST_UFO 14 /* Host can handle UFO in. */
|
|
#define VIRTIO_NET_F_MRG_RXBUF 15 /* Host can merge receive buffers. */
|
|
|
|
struct virtio_net_config
|
|
{
|
|
/* The config defining mac address (if VIRTIO_NET_F_MAC) */
|
|
__u8 mac[6];
|
|
} __attribute__((packed));
|
|
|
|
/* This is the first element of the scatter-gather list. If you don't
|
|
* specify GSO or CSUM features, you can simply ignore the header. */
|
|
struct virtio_net_hdr
|
|
{
|
|
#define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 // Use csum_start, csum_offset
|
|
__u8 flags;
|
|
#define VIRTIO_NET_HDR_GSO_NONE 0 // Not a GSO frame
|
|
#define VIRTIO_NET_HDR_GSO_TCPV4 1 // GSO frame, IPv4 TCP (TSO)
|
|
#define VIRTIO_NET_HDR_GSO_UDP 3 // GSO frame, IPv4 UDP (UFO)
|
|
#define VIRTIO_NET_HDR_GSO_TCPV6 4 // GSO frame, IPv6 TCP
|
|
#define VIRTIO_NET_HDR_GSO_ECN 0x80 // TCP has ECN set
|
|
__u8 gso_type;
|
|
__u16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */
|
|
__u16 gso_size; /* Bytes to append to hdr_len per frame */
|
|
__u16 csum_start; /* Position to start checksumming from */
|
|
__u16 csum_offset; /* Offset after that to place checksum */
|
|
};
|
|
|
|
/* This is the version of the header to use when the MRG_RXBUF
|
|
* feature has been negotiated. */
|
|
struct virtio_net_hdr_mrg_rxbuf {
|
|
struct virtio_net_hdr hdr;
|
|
__u16 num_buffers; /* Number of merged rx buffers */
|
|
};
|
|
|
|
#endif /* _LINUX_VIRTIO_NET_H */
|