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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22 * Software Foundation.
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40 static inline u32
own_node(void)
42 return tipc_node(tipc_own_addr
);
45 static inline u32
own_cluster(void)
47 return tipc_cluster(tipc_own_addr
);
50 static inline u32
own_zone(void)
52 return tipc_zone(tipc_own_addr
);
55 static inline int in_own_cluster(u32 addr
)
57 return !((addr
^ tipc_own_addr
) >> 12);
60 static inline int is_slave(u32 addr
)
65 static inline int may_route(u32 addr
)
67 return(addr
^ tipc_own_addr
) >> 11;
70 static inline int in_scope(u32 domain
, u32 addr
)
72 if (!domain
|| (domain
== addr
))
74 if (domain
== (addr
& 0xfffff000u
)) /* domain <Z.C.0> */
76 if (domain
== (addr
& 0xff000000u
)) /* domain <Z.0.0> */
82 * addr_scope - convert message lookup domain to equivalent 2-bit scope value
85 static inline int addr_scope(u32 domain
)
88 return TIPC_ZONE_SCOPE
;
89 if (tipc_node(domain
))
90 return TIPC_NODE_SCOPE
;
91 if (tipc_cluster(domain
))
92 return TIPC_CLUSTER_SCOPE
;
93 return TIPC_ZONE_SCOPE
;
97 * addr_domain - convert 2-bit scope value to equivalent message lookup domain
99 * Needed when address of a named message must be looked up a second time
100 * after a network hop.
103 static inline int addr_domain(int sc
)
105 if (likely(sc
== TIPC_NODE_SCOPE
))
106 return tipc_own_addr
;
107 if (sc
== TIPC_CLUSTER_SCOPE
)
108 return tipc_addr(tipc_zone(tipc_own_addr
),
109 tipc_cluster(tipc_own_addr
), 0);
110 return tipc_addr(tipc_zone(tipc_own_addr
), 0, 0);
113 static inline char *addr_string_fill(char *string
, u32 addr
)
115 snprintf(string
, 16, "<%u.%u.%u>",
116 tipc_zone(addr
), tipc_cluster(addr
), tipc_node(addr
));
120 int tipc_addr_domain_valid(u32
);
121 int tipc_addr_node_valid(u32 addr
);
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