mirror of https://gitee.com/openkylin/linux.git
81 lines
3.5 KiB
C
81 lines
3.5 KiB
C
/* net/tipc/socket.h: Include file for TIPC socket code
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*
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* Copyright (c) 2014-2016, Ericsson AB
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TIPC_SOCK_H
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#define _TIPC_SOCK_H
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#include <net/sock.h>
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#include <net/genetlink.h>
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/* Compatibility values for deprecated message based flow control */
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#define FLOWCTL_MSG_WIN 512
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#define FLOWCTL_MSG_LIM ((FLOWCTL_MSG_WIN * 2 + 1) * SKB_TRUESIZE(MAX_MSG_SIZE))
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#define FLOWCTL_BLK_SZ 1024
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/* Socket receive buffer sizes */
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#define RCVBUF_MIN (FLOWCTL_BLK_SZ * 512)
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#define RCVBUF_DEF (FLOWCTL_BLK_SZ * 1024 * 2)
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#define RCVBUF_MAX (FLOWCTL_BLK_SZ * 1024 * 16)
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struct tipc_sock;
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int tipc_socket_init(void);
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void tipc_socket_stop(void);
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void tipc_sk_rcv(struct net *net, struct sk_buff_head *inputq);
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void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
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struct sk_buff_head *inputq);
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void tipc_sk_reinit(struct net *net);
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int tipc_sk_rht_init(struct net *net);
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void tipc_sk_rht_destroy(struct net *net);
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int tipc_nl_sk_dump(struct sk_buff *skb, struct netlink_callback *cb);
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int tipc_nl_publ_dump(struct sk_buff *skb, struct netlink_callback *cb);
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int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct netlink_callback *cb,
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struct tipc_sock *tsk, u32 sk_filter_state,
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u64 (*tipc_diag_gen_cookie)(struct sock *sk));
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int tipc_nl_sk_walk(struct sk_buff *skb, struct netlink_callback *cb,
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int (*skb_handler)(struct sk_buff *skb,
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struct netlink_callback *cb,
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struct tipc_sock *tsk));
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int tipc_dump_start(struct netlink_callback *cb);
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int __tipc_dump_start(struct netlink_callback *cb, struct net *net);
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int tipc_dump_done(struct netlink_callback *cb);
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u32 tipc_sock_get_portid(struct sock *sk);
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bool tipc_sk_overlimit1(struct sock *sk, struct sk_buff *skb);
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bool tipc_sk_overlimit2(struct sock *sk, struct sk_buff *skb);
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int tsk_set_importance(struct sock *sk, int imp);
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#endif
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