Initial revision
diff --git a/isisd/isis_common.h b/isisd/isis_common.h
new file mode 100644
index 0000000..951e637
--- /dev/null
+++ b/isisd/isis_common.h
@@ -0,0 +1,65 @@
+/*
+ * IS-IS Rout(e)ing protocol - isis_common.h
+ * some common data structures
+ *
+ * Copyright (C) 2001,2002 Sampo Saaristo
+ * Tampere University of Technology
+ * Institute of Communications Engineering
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public Licenseas published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Area Address
+ */
+struct area_addr {
+ u_char addr_len;
+ u_char area_addr[20];
+};
+
+struct isis_passwd {
+ u_char len;
+#define ISIS_PASSWD_TYPE_UNUSED 0
+#define ISIS_PASSWD_TYPE_CLEARTXT 1
+#define ISIS_PASSWD_TYPE_PRIVATE 255
+ u_char type;
+ u_char passwd[255];
+};
+
+/*
+ * (Dynamic) Hostname
+ * one struct for cache list
+ * one struct for LSP TLV
+ */
+struct hostname {
+ u_char namelen;
+ u_char name[255];
+};
+
+/*
+ * Supported Protocol IDs
+ */
+struct nlpids {
+ u_char count;
+ u_char nlpids[4]; /* FIXME: enough ? */
+};
+
+/*
+ * Flags structure for SSN and SRM flags
+ */
+struct flags {
+ int maxindex;
+ struct list *free_idcs;
+};