qemu/include/net/vhost_net.h


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#ifndef VHOST_NET_H
#define VHOST_NET_H

#include "net/net.h"
#include "hw/virtio/vhost-backend.h"

struct vhost_net;
typedef struct vhost_net VHostNetState;

typedef struct VhostNetOptions {
    VhostBackendType backend_type;
    NetClientState *net_backend;
    void *opaque;
} VhostNetOptions;

struct vhost_net *vhost_net_init(VhostNetOptions *options);

int vhost_net_start(VirtIODevice *dev, NetClientState *ncs, int total_queues);
void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs, int total_queues);

void vhost_net_cleanup(VHostNetState *net);

uint64_t vhost_net_get_features(VHostNetState *net, uint64_t features);
void vhost_net_ack_features(VHostNetState *net, uint64_t features);

bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
                              int idx, bool mask);
VHostNetState *get_vhost_net(NetClientState *nc);
#endif