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authorJens Axboe <jens.axboe@oracle.com>2010-05-21 15:27:26 -0400
committerJens Axboe <jens.axboe@oracle.com>2010-05-21 15:27:26 -0400
commitee9a3607fb03e804ddf624544105f4e34260c380 (patch)
treece41b6e0fa10982a306f6c142a92dbf3c9961284 /net/tipc/addr.c
parentb492e95be0ae672922f4734acf3f5d35c30be948 (diff)
parentd515e86e639890b33a09390d062b0831664f04a2 (diff)
Merge branch 'master' into for-2.6.35
Conflicts: fs/ext3/fsync.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'net/tipc/addr.c')
-rw-r--r--net/tipc/addr.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/net/tipc/addr.c b/net/tipc/addr.c
index e5207a11edf6..c048543ffbeb 100644
--- a/net/tipc/addr.c
+++ b/net/tipc/addr.c
@@ -92,3 +92,35 @@ int tipc_addr_node_valid(u32 addr)
92 return (tipc_addr_domain_valid(addr) && tipc_node(addr)); 92 return (tipc_addr_domain_valid(addr) && tipc_node(addr));
93} 93}
94 94
95int tipc_in_scope(u32 domain, u32 addr)
96{
97 if (!domain || (domain == addr))
98 return 1;
99 if (domain == (addr & 0xfffff000u)) /* domain <Z.C.0> */
100 return 1;
101 if (domain == (addr & 0xff000000u)) /* domain <Z.0.0> */
102 return 1;
103 return 0;
104}
105
106/**
107 * tipc_addr_scope - convert message lookup domain to a 2-bit scope value
108 */
109
110int tipc_addr_scope(u32 domain)
111{
112 if (likely(!domain))
113 return TIPC_ZONE_SCOPE;
114 if (tipc_node(domain))
115 return TIPC_NODE_SCOPE;
116 if (tipc_cluster(domain))
117 return TIPC_CLUSTER_SCOPE;
118 return TIPC_ZONE_SCOPE;
119}
120
121char *tipc_addr_string_fill(char *string, u32 addr)
122{
123 snprintf(string, 16, "<%u.%u.%u>",
124 tipc_zone(addr), tipc_cluster(addr), tipc_node(addr));
125 return string;
126}