summaryrefslogtreecommitdiff
path: root/net/tipc/addr.c
diff options
context:
space:
mode:
authorJens Axboe <jens.axboe@oracle.com>2010-05-21 23:27:26 +0400
committerJens Axboe <jens.axboe@oracle.com>2010-05-21 23:27:26 +0400
commitee9a3607fb03e804ddf624544105f4e34260c380 (patch)
treece41b6e0fa10982a306f6c142a92dbf3c9961284 /net/tipc/addr.c
parentb492e95be0ae672922f4734acf3f5d35c30be948 (diff)
parentd515e86e639890b33a09390d062b0831664f04a2 (diff)
downloadlinux-ee9a3607fb03e804ddf624544105f4e34260c380.tar.xz
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)
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;
+}