/* * net/tipc/addr.h: Include file for TIPC address utility routines * * Copyright (c) 2000-2006, Ericsson AB * Copyright (c) 2004-2005, Wind River Systems * 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 #define TIPC_ZONE_MASK		0xff000000u#define TIPC_CLUSTER_MASK	0xfffff000u static inline u32 tipc_zone_mask(u32 addr){	return addr & TIPC_ZONE_MASK;} static inline u32 tipc_cluster_mask(u32 addr){	return addr & TIPC_CLUSTER_MASK;} static inline int in_own_cluster_exact(u32 addr){	return !((addr ^ tipc_own_addr) >> 12);} /** * in_own_node - test for node inclusion; <0.0.0> always matches */static inline int in_own_node(u32 addr){	return (addr == tipc_own_addr) || !addr;} /** * in_own_cluster - test for cluster inclusion; <0.0.0> always matches */static inline int in_own_cluster(u32 addr){	return in_own_cluster_exact(addr) || !addr;} /** * addr_domain - convert 2-bit scope value to equivalent message lookup domain * * Needed when address of a named message must be looked up a second time * after a network hop. */static inline u32 addr_domain(u32 sc){	if (likely(sc == TIPC_NODE_SCOPE))		return tipc_own_addr;	if (sc == TIPC_CLUSTER_SCOPE)		return tipc_cluster_mask(tipc_own_addr);	return tipc_zone_mask(tipc_own_addr);} int tipc_addr_domain_valid(u32);int tipc_addr_node_valid(u32 addr);int tipc_in_scope(u32 domain, u32 addr);int tipc_addr_scope(u32 domain);char *tipc_addr_string_fill(char *string, u32 addr);#endif