diff options
Diffstat (limited to 'include/net/af_vsock.h')
| -rw-r--r-- | include/net/af_vsock.h | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h index b1c717286993..d56e6e135158 100644 --- a/include/net/af_vsock.h +++ b/include/net/af_vsock.h @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/workqueue.h> +#include <net/sock.h> #include <uapi/linux/vm_sockets.h> #include "vsock_addr.h" @@ -74,9 +75,11 @@ struct vsock_sock { void *trans; }; +s64 vsock_connectible_has_data(struct vsock_sock *vsk); s64 vsock_stream_has_data(struct vsock_sock *vsk); s64 vsock_stream_has_space(struct vsock_sock *vsk); struct sock *vsock_create_connected(struct sock *parent); +void vsock_data_ready(struct sock *sk); /**** TRANSPORT ****/ @@ -135,6 +138,14 @@ struct vsock_transport { bool (*stream_is_active)(struct vsock_sock *); bool (*stream_allow)(u32 cid, u32 port); + /* SEQ_PACKET. */ + ssize_t (*seqpacket_dequeue)(struct vsock_sock *vsk, struct msghdr *msg, + int flags); + int (*seqpacket_enqueue)(struct vsock_sock *vsk, struct msghdr *msg, + size_t len); + bool (*seqpacket_allow)(u32 remote_cid); + u32 (*seqpacket_has_data)(struct vsock_sock *vsk); + /* Notification. */ int (*notify_poll_in)(struct vsock_sock *, size_t, bool *); int (*notify_poll_out)(struct vsock_sock *, size_t, bool *); @@ -156,12 +167,22 @@ struct vsock_transport { struct vsock_transport_send_notify_data *); /* sk_lock held by the caller */ void (*notify_buffer_size)(struct vsock_sock *, u64 *); + int (*notify_set_rcvlowat)(struct vsock_sock *vsk, int val); + + /* SIOCOUTQ ioctl */ + ssize_t (*unsent_bytes)(struct vsock_sock *vsk); /* Shutdown. */ int (*shutdown)(struct vsock_sock *, int); /* Addressing. */ u32 (*get_local_cid)(void); + + /* Read a single skb */ + int (*read_skb)(struct vsock_sock *, skb_read_actor_t); + + /* Zero-copy. */ + bool (*msgzerocopy_allow)(void); }; /**** CORE ****/ @@ -186,7 +207,6 @@ static inline bool __vsock_in_connected_table(struct vsock_sock *vsk) return !list_empty(&vsk->connected_table); } -void vsock_release_pending(struct sock *pending); void vsock_add_pending(struct sock *listener, struct sock *pending); void vsock_remove_pending(struct sock *listener, struct sock *pending); void vsock_enqueue_accept(struct sock *listener, struct sock *connected); @@ -197,9 +217,11 @@ struct sock *vsock_find_bound_socket(struct sockaddr_vm *addr); struct sock *vsock_find_connected_socket(struct sockaddr_vm *src, struct sockaddr_vm *dst); void vsock_remove_sock(struct vsock_sock *vsk); -void vsock_for_each_connected_socket(void (*fn)(struct sock *sk)); +void vsock_for_each_connected_socket(struct vsock_transport *transport, + void (*fn)(struct sock *sk)); int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk); bool vsock_find_cid(unsigned int cid); +void vsock_linger(struct sock *sk); /**** TAP ****/ @@ -209,9 +231,29 @@ struct vsock_tap { struct list_head list; }; -int vsock_init_tap(void); int vsock_add_tap(struct vsock_tap *vt); int vsock_remove_tap(struct vsock_tap *vt); void vsock_deliver_tap(struct sk_buff *build_skb(void *opaque), void *opaque); - +int __vsock_connectible_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, + int flags); +int vsock_connectible_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, + int flags); +int __vsock_dgram_recvmsg(struct socket *sock, struct msghdr *msg, + size_t len, int flags); +int vsock_dgram_recvmsg(struct socket *sock, struct msghdr *msg, + size_t len, int flags); + +#ifdef CONFIG_BPF_SYSCALL +extern struct proto vsock_proto; +int vsock_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore); +void __init vsock_bpf_build_proto(void); +#else +static inline void __init vsock_bpf_build_proto(void) +{} +#endif + +static inline bool vsock_msgzerocopy_allow(const struct vsock_transport *t) +{ + return t->msgzerocopy_allow && t->msgzerocopy_allow(); +} #endif /* __AF_VSOCK_H__ */ |