diff options
Diffstat (limited to 'include/linux/virtio_vsock.h')
| -rw-r--r-- | include/linux/virtio_vsock.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h index fbf30721bac9..36fb3edfa403 100644 --- a/include/linux/virtio_vsock.h +++ b/include/linux/virtio_vsock.h @@ -12,6 +12,7 @@ struct virtio_vsock_skb_cb { bool reply; bool tap_delivered; + u32 offset; }; #define VIRTIO_VSOCK_SKB_CB(skb) ((struct virtio_vsock_skb_cb *)((skb)->cb)) @@ -132,12 +133,14 @@ struct virtio_vsock_sock { u32 tx_cnt; u32 peer_fwd_cnt; u32 peer_buf_alloc; + size_t bytes_unsent; /* Protected by rx_lock */ u32 fwd_cnt; u32 last_fwd_cnt; u32 rx_bytes; u32 buf_alloc; + u32 buf_used; struct sk_buff_head rx_queue; u32 msg_count; }; @@ -159,6 +162,15 @@ struct virtio_transport { /* Takes ownership of the packet */ int (*send_pkt)(struct sk_buff *skb); + + /* Used in MSG_ZEROCOPY mode. Checks, that provided data + * (number of buffers) could be transmitted with zerocopy + * mode. If this callback is not implemented for the current + * transport - this means that this transport doesn't need + * extra checks and can perform zerocopy transmission by + * default. + */ + bool (*can_msgzerocopy)(int bufs_num); }; ssize_t @@ -183,6 +195,11 @@ s64 virtio_transport_stream_has_data(struct vsock_sock *vsk); s64 virtio_transport_stream_has_space(struct vsock_sock *vsk); u32 virtio_transport_seqpacket_has_data(struct vsock_sock *vsk); +ssize_t virtio_transport_unsent_bytes(struct vsock_sock *vsk); + +void virtio_transport_consume_skb_sent(struct sk_buff *skb, + bool consume); + int virtio_transport_do_socket_init(struct vsock_sock *vsk, struct vsock_sock *psk); int |