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#ifndef VHOST_NET_H
#define VHOST_NET_H
#include "net/net.h"
#include "hw/virtio/virtio-features.h"
#include "hw/virtio/vhost-backend.h"
struct vhost_net;
typedef struct vhost_net VHostNetState;
typedef uint64_t (GetAckedFeatures)(NetClientState *nc);
typedef void (SaveAcketFeatures)(NetClientState *nc);
typedef struct VhostNetOptions {
VhostBackendType backend_type;
NetClientState *net_backend;
uint32_t busyloop_timeout;
unsigned int nvqs;
const int *feature_bits;
int max_tx_queue_size;
bool is_vhost_user;
GetAckedFeatures *get_acked_features;
SaveAcketFeatures *save_acked_features;
void *opaque;
} VhostNetOptions;
uint64_t vhost_net_get_max_queues(VHostNetState *net);
struct vhost_net *vhost_net_init(VhostNetOptions *options);
int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
int data_queue_pairs, int cvq);
void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs,
int data_queue_pairs, int cvq);
void vhost_net_cleanup(VHostNetState *net);
void vhost_net_get_features_ex(VHostNetState *net, uint64_t *features);
static inline uint64_t vhost_net_get_features(VHostNetState *net,
uint64_t features)
{
uint64_t features_array[VIRTIO_FEATURES_NU64S];
virtio_features_from_u64(features_array, features);
vhost_net_get_features_ex(net, features_array);
return features_array[0];
}
void vhost_net_ack_features_ex(VHostNetState *net, const uint64_t *features);
static inline void vhost_net_ack_features(VHostNetState *net,
uint64_t features)
{
uint64_t features_array[VIRTIO_FEATURES_NU64S];
virtio_features_from_u64(features_array, features);
vhost_net_ack_features_ex(net, features_array);
}
int vhost_net_get_config(struct vhost_net *net, uint8_t *config,
uint32_t config_len);
int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
uint32_t offset, uint32_t size, uint32_t flags);
bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
int idx, bool mask);
bool vhost_net_config_pending(VHostNetState *net);
void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask);
int vhost_net_notify_migration_done(VHostNetState *net, char* mac_addr);
VHostNetState *get_vhost_net(NetClientState *nc);
int vhost_net_set_vring_enable(NetClientState *nc, int enable);
void vhost_net_get_acked_features_ex(VHostNetState *net, uint64_t *features);
static inline uint64_t vhost_net_get_acked_features(VHostNetState *net)
{
uint64_t features[VIRTIO_FEATURES_NU64S];
vhost_net_get_acked_features_ex(net, features);
assert(!virtio_features_use_ex(features));
return features[0];
}
int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu);
void vhost_net_virtqueue_reset(VirtIODevice *vdev, NetClientState *nc,
int vq_index);
int vhost_net_virtqueue_restart(VirtIODevice *vdev, NetClientState *nc,
int vq_index);
void vhost_net_save_acked_features(NetClientState *nc);
#endif
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