- corrected a trivial comment typo.

[fs/lustre-release.git] / lnet / klnds / socklnd / socklnd_lib-winnt.h

diff --git a/lnet/klnds/socklnd/socklnd_lib-winnt.h b/lnet/klnds/socklnd/socklnd_lib-winnt.h
index 178eadf..6bc9311 100755 (executable)
--- a/lnet/klnds/socklnd/socklnd_lib-winnt.h
+++ b/lnet/klnds/socklnd/socklnd_lib-winnt.h
@@ -1,3 +1,39 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
 #define DEBUG_PORTAL_ALLOC
 #ifndef EXPORT_SYMTAB
 # define EXPORT_SYMTAB
@@ -38,4 +74,12 @@ ksocknal_irqsched2cpu(int i)
 
 #endif
 
+static inline __u32 ksocknal_csum(__u32 crc, unsigned char const *p, size_t len)
+{
+        while (len-- > 0)
+                crc = ((crc + 0x100) & ~0xff) | ((crc + *p++) & 0xff) ;
+        return crc;
+}
+
+
 #endif