| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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 | int tipc_dump_start(struct netlink_callback *cb); |
| 72 | int __tipc_dump_start(struct netlink_callback *cb, struct net *net); |
| 73 | int tipc_dump_done(struct netlink_callback *cb); |
| 74 | #endif |