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Jon Paul Maloy8826cde2014-03-12 11:31:09 -04001/* net/tipc/socket.h: Include file for TIPC socket code
2 *
3 * Copyright (c) 2014, Ericsson AB
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the names of the copyright holders nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * Alternatively, this software may be distributed under the terms of the
19 * GNU General Public License ("GPL") version 2 as published by the Free
20 * Software Foundation.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#ifndef _TIPC_SOCK_H
36#define _TIPC_SOCK_H
37
38#include "port.h"
39#include <net/sock.h>
40
41/**
42 * struct tipc_sock - TIPC socket structure
43 * @sk: socket - interacts with 'port' and with user via the socket API
44 * @port: port - interacts with 'sk' and with the rest of the TIPC stack
45 * @peer_name: the peer of the connection, if any
46 * @conn_timeout: the time we can wait for an unresponded setup request
Jon Paul Maloy4f4482d2014-05-14 05:39:09 -040047 * @dupl_rcvcnt: number of bytes counted twice, in both backlog and rcv queue
Jon Paul Maloy8826cde2014-03-12 11:31:09 -040048 */
49
50struct tipc_sock {
51 struct sock sk;
52 struct tipc_port port;
53 unsigned int conn_timeout;
Jon Paul Maloy4f4482d2014-05-14 05:39:09 -040054 atomic_t dupl_rcvcnt;
Jon Paul Maloy8826cde2014-03-12 11:31:09 -040055};
56
57static inline struct tipc_sock *tipc_sk(const struct sock *sk)
58{
59 return container_of(sk, struct tipc_sock, sk);
60}
61
Jon Paul Maloy58ed9442014-03-12 11:31:12 -040062static inline struct tipc_sock *tipc_port_to_sock(const struct tipc_port *port)
Jon Paul Maloy8826cde2014-03-12 11:31:09 -040063{
Jon Paul Maloy58ed9442014-03-12 11:31:12 -040064 return container_of(port, struct tipc_sock, port);
Jon Paul Maloy8826cde2014-03-12 11:31:09 -040065}
66
Jon Paul Maloy58ed9442014-03-12 11:31:12 -040067static inline void tipc_sock_wakeup(struct tipc_sock *tsk)
Jon Paul Maloy8826cde2014-03-12 11:31:09 -040068{
Jon Paul Maloy58ed9442014-03-12 11:31:12 -040069 tsk->sk.sk_write_space(&tsk->sk);
Jon Paul Maloy24be34b2014-03-12 11:31:10 -040070}
71
Jon Paul Maloy9816f062014-05-14 05:39:15 -040072int tipc_sk_rcv(struct sk_buff *buf);
Jon Paul Maloy24be34b2014-03-12 11:31:10 -040073
Jon Paul Maloy8826cde2014-03-12 11:31:09 -040074#endif