1 #ifndef VHOST_NET_H 2 #define VHOST_NET_H 3 4 #include "net/net.h" 5 #include "hw/virtio/vhost-backend.h" 6 7 struct vhost_net; 8 typedef struct vhost_net VHostNetState; 9 10 typedef uint64_t (GetAckedFeatures)(NetClientState *nc); 11 typedef void (SaveAcketFeatures)(NetClientState *nc); 12 13 typedef struct VhostNetOptions { 14 VhostBackendType backend_type; 15 NetClientState *net_backend; 16 uint32_t busyloop_timeout; 17 unsigned int nvqs; 18 const int *feature_bits; 19 int max_tx_queue_size; 20 bool is_vhost_user; 21 GetAckedFeatures *get_acked_features; 22 SaveAcketFeatures *save_acked_features; 23 void *opaque; 24 } VhostNetOptions; 25 26 uint64_t vhost_net_get_max_queues(VHostNetState *net); 27 struct vhost_net *vhost_net_init(VhostNetOptions *options); 28 29 int vhost_net_start(VirtIODevice *dev, NetClientState *ncs, 30 int data_queue_pairs, int cvq); 31 void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs, 32 int data_queue_pairs, int cvq); 33 34 void vhost_net_cleanup(VHostNetState *net); 35 36 uint64_t vhost_net_get_features(VHostNetState *net, uint64_t features); 37 void vhost_net_ack_features(VHostNetState *net, uint64_t features); 38 39 int vhost_net_get_config(struct vhost_net *net, uint8_t *config, 40 uint32_t config_len); 41 42 int vhost_net_set_config(struct vhost_net *net, const uint8_t *data, 43 uint32_t offset, uint32_t size, uint32_t flags); 44 bool vhost_net_virtqueue_pending(VHostNetState *net, int n); 45 void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev, 46 int idx, bool mask); 47 bool vhost_net_config_pending(VHostNetState *net); 48 void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask); 49 int vhost_net_notify_migration_done(VHostNetState *net, char* mac_addr); 50 VHostNetState *get_vhost_net(NetClientState *nc); 51 52 int vhost_net_set_vring_enable(NetClientState *nc, int enable); 53 54 uint64_t vhost_net_get_acked_features(VHostNetState *net); 55 56 int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu); 57 58 void vhost_net_virtqueue_reset(VirtIODevice *vdev, NetClientState *nc, 59 int vq_index); 60 int vhost_net_virtqueue_restart(VirtIODevice *vdev, NetClientState *nc, 61 int vq_index); 62 63 void vhost_net_save_acked_features(NetClientState *nc); 64 #endif 65