X-Git-Url: https://git.distorted.org.uk/~mdw/userv-utils/blobdiff_plain/f9e59051127e72847e1bee84ad52670e875f7d2f..9c0139c59459dafe88ff0715898135d4926f9f92:/ipif/mech-sequence.c

diff --git a/ipif/mech-sequence.c b/ipif/mech-sequence.c
index 2090b37..beb14c3 100644
--- a/ipif/mech-sequence.c
+++ b/ipif/mech-sequence.c
@@ -1,10 +1,30 @@
 /*
- * Sequence number / nonce mechanism
+ * Sequence number / nonce mechanism for udp tunnel
  *
+ * mechanisms: nonce, sequence
  * arguments: none
  *
+ * restrictions: none
  * encoding: prepend 4 bytes of sequence arithmetic serial number
- * decoding: check increasingness, or ignore
+ * decoding: check increasingness (sequence), or ignore (nonce)
+ */
+/*
+ * Copyright (C) 2000,2003 Ian Jackson
+ * This file is part of ipif, part of userv-utils
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as 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 userv-utils; if not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
 #include <netinet/in.h>