linux/net/tipc/socket.h

81 lines
3.6 KiB
C

/* net/tipc/socket.h: Include file for TIPC socket code
*
* Copyright (c) 2014-2016, 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 <net/sock.h>
#include <net/genetlink.h>
/* Compatibility values for deprecated message based flow control */
#define FLOWCTL_MSG_WIN 512
#define FLOWCTL_MSG_LIM ((FLOWCTL_MSG_WIN * 2 + 1) * SKB_TRUESIZE(MAX_MSG_SIZE))
#define FLOWCTL_BLK_SZ 1024
/* Socket receive buffer sizes */
#define RCVBUF_MIN (FLOWCTL_BLK_SZ * 512)
#define RCVBUF_DEF (FLOWCTL_BLK_SZ * 1024 * 2)
#define RCVBUF_MAX (FLOWCTL_BLK_SZ * 1024 * 16)
struct tipc_sock;
int tipc_socket_init(void);
void tipc_socket_stop(void);
void tipc_sk_rcv(struct net *net, struct sk_buff_head *inputq);
void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
struct sk_buff_head *inputq);
void tipc_sk_reinit(struct net *net);
int tipc_sk_rht_init(struct net *net);
void tipc_sk_rht_destroy(struct net *net);
int tipc_nl_sk_dump(struct sk_buff *skb, struct netlink_callback *cb);
int tipc_nl_publ_dump(struct sk_buff *skb, struct netlink_callback *cb);
int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct netlink_callback *cb,
struct tipc_sock *tsk, u32 sk_filter_state,
u64 (*tipc_diag_gen_cookie)(struct sock *sk));
int tipc_nl_sk_walk(struct sk_buff *skb, struct netlink_callback *cb,
int (*skb_handler)(struct sk_buff *skb,
struct netlink_callback *cb,
struct tipc_sock *tsk));
int tipc_dump_start(struct netlink_callback *cb);
int __tipc_dump_start(struct netlink_callback *cb, struct net *net);
int tipc_dump_done(struct netlink_callback *cb);
u32 tipc_sock_get_portid(struct sock *sk);
bool tipc_sk_overlimit1(struct sock *sk, struct sk_buff *skb);
bool tipc_sk_overlimit2(struct sock *sk, struct sk_buff *skb);
int tipc_sk_bind(struct socket *sock, struct sockaddr *skaddr, int alen);
int tsk_set_importance(struct sock *sk, int imp);
#endif