linux/net/vmw_vsock/vmci_transport_notify.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * VMware vSockets Driver
 *
 * Copyright (C) 2009-2013 VMware, Inc. All rights reserved.
 */

#include <linux/types.h>
#include <linux/socket.h>
#include <linux/stddef.h>
#include <net/sock.h>

#include "vmci_transport_notify.h"

#define PKT_FIELD(vsk, field_name) …

static bool vmci_transport_notify_waiting_write(struct vsock_sock *vsk)
{ … }

static bool vmci_transport_notify_waiting_read(struct vsock_sock *vsk)
{ … }

static void
vmci_transport_handle_waiting_read(struct sock *sk,
				   struct vmci_transport_packet *pkt,
				   bool bottom_half,
				   struct sockaddr_vm *dst,
				   struct sockaddr_vm *src)
{ … }

static void
vmci_transport_handle_waiting_write(struct sock *sk,
				    struct vmci_transport_packet *pkt,
				    bool bottom_half,
				    struct sockaddr_vm *dst,
				    struct sockaddr_vm *src)
{ … }

static void
vmci_transport_handle_read(struct sock *sk,
			   struct vmci_transport_packet *pkt,
			   bool bottom_half,
			   struct sockaddr_vm *dst, struct sockaddr_vm *src)
{ … }

static bool send_waiting_read(struct sock *sk, u64 room_needed)
{ … }

static bool send_waiting_write(struct sock *sk, u64 room_needed)
{ … }

static int vmci_transport_send_read_notification(struct sock *sk)
{ … }

static void
vmci_transport_handle_wrote(struct sock *sk,
			    struct vmci_transport_packet *pkt,
			    bool bottom_half,
			    struct sockaddr_vm *dst, struct sockaddr_vm *src)
{ … }

static void vmci_transport_notify_pkt_socket_init(struct sock *sk)
{ … }

static void vmci_transport_notify_pkt_socket_destruct(struct vsock_sock *vsk)
{ … }

static int
vmci_transport_notify_pkt_poll_in(struct sock *sk,
				  size_t target, bool *data_ready_now)
{ … }

static int
vmci_transport_notify_pkt_poll_out(struct sock *sk,
				   size_t target, bool *space_avail_now)
{ … }

static int
vmci_transport_notify_pkt_recv_init(
			struct sock *sk,
			size_t target,
			struct vmci_transport_recv_notify_data *data)
{ … }

static int
vmci_transport_notify_pkt_recv_pre_block(
				struct sock *sk,
				size_t target,
				struct vmci_transport_recv_notify_data *data)
{ … }

static int
vmci_transport_notify_pkt_recv_pre_dequeue(
				struct sock *sk,
				size_t target,
				struct vmci_transport_recv_notify_data *data)
{ … }

static int
vmci_transport_notify_pkt_recv_post_dequeue(
				struct sock *sk,
				size_t target,
				ssize_t copied,
				bool data_read,
				struct vmci_transport_recv_notify_data *data)
{ … }

static int
vmci_transport_notify_pkt_send_init(
			struct sock *sk,
			struct vmci_transport_send_notify_data *data)
{ … }

static int
vmci_transport_notify_pkt_send_pre_block(
				struct sock *sk,
				struct vmci_transport_send_notify_data *data)
{ … }

static int
vmci_transport_notify_pkt_send_pre_enqueue(
				struct sock *sk,
				struct vmci_transport_send_notify_data *data)
{ … }

static int
vmci_transport_notify_pkt_send_post_enqueue(
				struct sock *sk,
				ssize_t written,
				struct vmci_transport_send_notify_data *data)
{ … }

static void
vmci_transport_notify_pkt_handle_pkt(
			struct sock *sk,
			struct vmci_transport_packet *pkt,
			bool bottom_half,
			struct sockaddr_vm *dst,
			struct sockaddr_vm *src, bool *pkt_processed)
{ … }

static void vmci_transport_notify_pkt_process_request(struct sock *sk)
{ … }

static void vmci_transport_notify_pkt_process_negotiate(struct sock *sk)
{ … }

/* Socket control packet based operations. */
const struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops = …;