1 /* net/tipc/socket.h: Include file for TIPC socket code 2 * 3 * Copyright (c) 2014-2016, 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 <net/sock.h> 39 #include <net/genetlink.h> 40 41 /* Compatibility values for deprecated message based flow control */ 42 #define FLOWCTL_MSG_WIN 512 43 #define FLOWCTL_MSG_LIM ((FLOWCTL_MSG_WIN * 2 + 1) * SKB_TRUESIZE(MAX_MSG_SIZE)) 44 45 #define FLOWCTL_BLK_SZ 1024 46 47 /* Socket receive buffer sizes */ 48 #define RCVBUF_MIN (FLOWCTL_BLK_SZ * 512) 49 #define RCVBUF_DEF (FLOWCTL_BLK_SZ * 1024 * 2) 50 #define RCVBUF_MAX (FLOWCTL_BLK_SZ * 1024 * 16) 51 52 struct tipc_sock; 53 54 int tipc_socket_init(void); 55 void tipc_socket_stop(void); 56 void tipc_sk_rcv(struct net *net, struct sk_buff_head *inputq); 57 void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq, 58 struct sk_buff_head *inputq); 59 void tipc_sk_reinit(struct net *net); 60 int tipc_sk_rht_init(struct net *net); 61 void tipc_sk_rht_destroy(struct net *net); 62 int tipc_nl_sk_dump(struct sk_buff *skb, struct netlink_callback *cb); 63 int tipc_nl_publ_dump(struct sk_buff *skb, struct netlink_callback *cb); 64 int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct netlink_callback *cb, 65 struct tipc_sock *tsk, u32 sk_filter_state, 66 u64 (*tipc_diag_gen_cookie)(struct sock *sk)); 67 int tipc_nl_sk_walk(struct sk_buff *skb, struct netlink_callback *cb, 68 int (*skb_handler)(struct sk_buff *skb, 69 struct netlink_callback *cb, 70 struct tipc_sock *tsk)); 71 #endif 72