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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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20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
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42 #define TIPC_ZONE_MASK 0xff000000u
43 #define TIPC_CLUSTER_MASK 0xfffff000u
45 static inline u32
tipc_zone_mask(u32 addr
)
47 return addr
& TIPC_ZONE_MASK
;
50 static inline u32
tipc_cluster_mask(u32 addr
)
52 return addr
& TIPC_CLUSTER_MASK
;
55 static inline int in_own_cluster_exact(u32 addr
)
57 return !((addr
^ tipc_own_addr
) >> 12);
61 * in_own_node - test for node inclusion; <0.0.0> always matches
63 static inline int in_own_node(u32 addr
)
65 return (addr
== tipc_own_addr
) || !addr
;
69 * in_own_cluster - test for cluster inclusion; <0.0.0> always matches
71 static inline int in_own_cluster(u32 addr
)
73 return in_own_cluster_exact(addr
) || !addr
;
77 * addr_domain - convert 2-bit scope value to equivalent message lookup domain
79 * Needed when address of a named message must be looked up a second time
80 * after a network hop.
82 static inline u32
addr_domain(u32 sc
)
84 if (likely(sc
== TIPC_NODE_SCOPE
))
86 if (sc
== TIPC_CLUSTER_SCOPE
)
87 return tipc_cluster_mask(tipc_own_addr
);
88 return tipc_zone_mask(tipc_own_addr
);
91 int tipc_addr_domain_valid(u32
);
92 int tipc_addr_node_valid(u32 addr
);
93 int tipc_in_scope(u32 domain
, u32 addr
);
94 int tipc_addr_scope(u32 domain
);
95 char *tipc_addr_string_fill(char *string
, u32 addr
);