/* net/tipc/socket.h: Include file for TIPC socket code * * Copyright (c) 2014, Ericsson AB * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its *    contributors may be used to endorse or promote products derived from *    this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _TIPC_SOCK_H#define _TIPC_SOCK_H #include "port.h"#include <net/sock.h> #define TIPC_CONN_OK      0#define TIPC_CONN_PROBING 1 /** * struct tipc_sock - TIPC socket structure * @sk: socket - interacts with 'port' and with user via the socket API * @port: port - interacts with 'sk' and with the rest of the TIPC stack * @peer_name: the peer of the connection, if any * @conn_timeout: the time we can wait for an unresponded setup request * @dupl_rcvcnt: number of bytes counted twice, in both backlog and rcv queue * @link_cong: non-zero if owner must sleep because of link congestion * @sent_unacked: # messages sent by socket, and not yet acked by peer * @rcv_unacked: # messages read by user, but not yet acked back to peer */ struct tipc_sock {	struct sock sk;	struct tipc_port port;	unsigned int conn_timeout;	atomic_t dupl_rcvcnt;	int link_cong;	uint sent_unacked;	uint rcv_unacked;}; static inline struct tipc_sock *tipc_sk(const struct sock *sk){	return container_of(sk, struct tipc_sock, sk);} static inline struct tipc_sock *tipc_port_to_sock(const struct tipc_port *port){	return container_of(port, struct tipc_sock, port);} static inline void tipc_sock_wakeup(struct tipc_sock *tsk){	tsk->sk.sk_write_space(&tsk->sk);} static inline int tipc_sk_conn_cong(struct tipc_sock *tsk){	return tsk->sent_unacked >= TIPC_FLOWCTRL_WIN;} int tipc_sk_rcv(struct sk_buff *buf); void tipc_sk_mcast_rcv(struct sk_buff *buf); #endif