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authorHerbert Xu <herbert@gondor.apana.org.au>2010-05-26 11:36:58 +1000
committerHerbert Xu <herbert@gondor.apana.org.au>2010-05-26 11:36:58 +1000
commit50d1e9302bab7d35dae7146f8c468e0943015616 (patch)
treefa05320f4a297bd582686574cf94ba444e264b3f /net/tipc/addr.c
parent7cc2835083aedfde42de02301005a5555e00c4b1 (diff)
parentdc4ccfd15d4fc7a91ddf222bc5eed5cc4bcf10e6 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/crypto-2.6
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 e5207a11edf..c048543ffbe 100644
--- a/net/tipc/addr.c
+++ b/net/tipc/addr.c
@@ -92,3 +92,35 @@ int tipc_addr_node_valid(u32 addr)
return (tipc_addr_domain_valid(addr) && tipc_node(addr));
}
+int tipc_in_scope(u32 domain, u32 addr)
+{
+ if (!domain || (domain == addr))
+ return 1;
+ if (domain == (addr & 0xfffff000u)) /* domain <Z.C.0> */
+ return 1;
+ if (domain == (addr & 0xff000000u)) /* domain <Z.0.0> */
+ return 1;
+ return 0;
+}
+
+/**
+ * tipc_addr_scope - convert message lookup domain to a 2-bit scope value
+ */
+
+int tipc_addr_scope(u32 domain)
+{
+ if (likely(!domain))
+ return TIPC_ZONE_SCOPE;
+ if (tipc_node(domain))
+ return TIPC_NODE_SCOPE;
+ if (tipc_cluster(domain))
+ return TIPC_CLUSTER_SCOPE;
+ return TIPC_ZONE_SCOPE;
+}
+
+char *tipc_addr_string_fill(char *string, u32 addr)
+{
+ snprintf(string, 16, "<%u.%u.%u>",
+ tipc_zone(addr), tipc_cluster(addr), tipc_node(addr));
+ return string;
+}