mirror of https://gitee.com/openkylin/linux.git
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/*
|
|
* net/tipc/addr.h: Include file for TIPC address utility routines
|
|
*
|
|
* Copyright (c) 2000-2006, 2018, Ericsson AB
|
|
* Copyright (c) 2004-2005, Wind River Systems
|
|
* Copyright (c) 2020, Red Hat Inc
|
|
* 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_ADDR_H
|
|
#define _TIPC_ADDR_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/tipc.h>
|
|
#include <net/net_namespace.h>
|
|
#include <net/netns/generic.h>
|
|
#include "core.h"
|
|
|
|
static inline u32 tipc_own_addr(struct net *net)
|
|
{
|
|
return tipc_net(net)->node_addr;
|
|
}
|
|
|
|
static inline u8 *tipc_own_id(struct net *net)
|
|
{
|
|
struct tipc_net *tn = tipc_net(net);
|
|
|
|
if (!strlen(tn->node_id_string))
|
|
return NULL;
|
|
return tn->node_id;
|
|
}
|
|
|
|
static inline char *tipc_own_id_string(struct net *net)
|
|
{
|
|
return tipc_net(net)->node_id_string;
|
|
}
|
|
|
|
static inline u32 tipc_cluster_mask(u32 addr)
|
|
{
|
|
return addr & TIPC_ZONE_CLUSTER_MASK;
|
|
}
|
|
|
|
static inline int tipc_node2scope(u32 node)
|
|
{
|
|
return node ? TIPC_NODE_SCOPE : TIPC_CLUSTER_SCOPE;
|
|
}
|
|
|
|
static inline int tipc_scope2node(struct net *net, int sc)
|
|
{
|
|
return sc != TIPC_NODE_SCOPE ? 0 : tipc_own_addr(net);
|
|
}
|
|
|
|
static inline int in_own_node(struct net *net, u32 addr)
|
|
{
|
|
return addr == tipc_own_addr(net) || !addr;
|
|
}
|
|
|
|
bool tipc_in_scope(bool legacy_format, u32 domain, u32 addr);
|
|
void tipc_set_node_id(struct net *net, u8 *id);
|
|
void tipc_set_node_addr(struct net *net, u32 addr);
|
|
char *tipc_nodeid2string(char *str, u8 *id);
|
|
u32 tipc_node_id2hash(u8 *id128);
|
|
|
|
#endif
|