1 files changed, 79 insertions, 0 deletions
diff --git a/net/tipc/addr.h b/net/tipc/addr.h
new file mode 100644
index 00000000..e4f35afe
--- /dev/null
+++ b/net/tipc/addr.h
@@ -0,0 +1,79 @@
+/*
+ * net/tipc/addr.h: Include file for TIPC address utility routines
+ *
+ * Copyright (c) 2000-2006, Ericsson AB
+ * Copyright (c) 2004-2005, Wind River Systems
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the names of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _TIPC_ADDR_H
+#define _TIPC_ADDR_H
+
+#define TIPC_ZONE_MASK		0xff000000u
+#define TIPC_CLUSTER_MASK	0xfffff000u
+
+static inline u32 tipc_zone_mask(u32 addr)
+{
+	return addr & TIPC_ZONE_MASK;
+}
+
+static inline u32 tipc_cluster_mask(u32 addr)
+{
+	return addr & TIPC_CLUSTER_MASK;
+}
+
+static inline int in_own_cluster(u32 addr)
+{
+	return !((addr ^ tipc_own_addr) >> 12);
+}
+
+/**
+ * addr_domain - convert 2-bit scope value to equivalent message lookup domain
+ *
+ * Needed when address of a named message must be looked up a second time
+ * after a network hop.
+ */
+
+static inline u32 addr_domain(u32 sc)
+{
+	if (likely(sc == TIPC_NODE_SCOPE))
+		return tipc_own_addr;
+	if (sc == TIPC_CLUSTER_SCOPE)
+		return tipc_cluster_mask(tipc_own_addr);
+	return tipc_zone_mask(tipc_own_addr);
+}
+
+int tipc_addr_domain_valid(u32);
+int tipc_addr_node_valid(u32 addr);
+int tipc_in_scope(u32 domain, u32 addr);
+int tipc_addr_scope(u32 domain);
+char *tipc_addr_string_fill(char *string, u32 addr);
+#endif