2 * net/tipc/addr.h: Include file for TIPC address utility routines
4 * Copyright (c) 2000-2006, Ericsson AB
5 * Copyright (c) 2004-2005, Wind River Systems
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40 #define TIPC_ZONE_MASK 0xff000000u
41 #define TIPC_CLUSTER_MASK 0xfffff000u
43 static inline u32 tipc_zone_mask(u32 addr)
45 return addr & TIPC_ZONE_MASK;
48 static inline u32 tipc_cluster_mask(u32 addr)
50 return addr & TIPC_CLUSTER_MASK;
53 static inline int in_own_cluster_exact(u32 addr)
55 return !((addr ^ tipc_own_addr) >> 12);
59 * in_own_node - test for node inclusion; <0.0.0> always matches
61 static inline int in_own_node(u32 addr)
63 return (addr == tipc_own_addr) || !addr;
67 * in_own_cluster - test for cluster inclusion; <0.0.0> always matches
69 static inline int in_own_cluster(u32 addr)
71 return in_own_cluster_exact(addr) || !addr;
75 * addr_domain - convert 2-bit scope value to equivalent message lookup domain
77 * Needed when address of a named message must be looked up a second time
78 * after a network hop.
80 static inline u32 addr_domain(u32 sc)
82 if (likely(sc == TIPC_NODE_SCOPE))
84 if (sc == TIPC_CLUSTER_SCOPE)
85 return tipc_cluster_mask(tipc_own_addr);
86 return tipc_zone_mask(tipc_own_addr);
89 int tipc_addr_domain_valid(u32);
90 int tipc_addr_node_valid(u32 addr);
91 int tipc_in_scope(u32 domain, u32 addr);
92 int tipc_addr_scope(u32 domain);
93 char *tipc_addr_string_fill(char *string, u32 addr);