CRISv10: delete unused lib/old_checksum.c
authorRabin Vincent <rabin@rab.in>
Fri, 22 May 2015 18:58:48 +0000 (20:58 +0200)
committerJesper Nilsson <jespern@axis.com>
Fri, 4 Sep 2015 22:56:51 +0000 (00:56 +0200)
This file is never built.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
arch/cris/arch-v10/lib/old_checksum.c [deleted file]

diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c
deleted file mode 100644 (file)
index 8f79163..0000000
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * INET                An implementation of the TCP/IP protocol suite for the LINUX
- *             operating system.  INET is implemented using the  BSD Socket
- *             interface as the means of communication with the user level.
- *
- *             IP/TCP/UDP checksumming routines
- *
- * Authors:    Jorge Cwik, <jorge@laser.satlink.net>
- *             Arnt Gulbrandsen, <agulbra@nvg.unit.no>
- *             Tom May, <ftom@netcom.com>
- *             Lots of code moved from tcp.c and ip.c; see those files
- *             for more names.
- *
- *             This program 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.
- */
-
-#include <net/checksum.h>
-#include <net/module.h>
-
-#undef PROFILE_CHECKSUM
-
-#ifdef PROFILE_CHECKSUM
-/* these are just for profiling the checksum code with an oscillioscope.. uh */
-#if 0
-#define BITOFF *((unsigned char *)0xb0000030) = 0xff
-#define BITON *((unsigned char *)0xb0000030) = 0x0
-#endif
-#include <asm/io.h>
-#define CBITON LED_ACTIVE_SET(1)
-#define CBITOFF LED_ACTIVE_SET(0)
-#define BITOFF
-#define BITON
-#else
-#define BITOFF
-#define BITON
-#define CBITOFF
-#define CBITON
-#endif
-
-/*
- * computes a partial checksum, e.g. for TCP/UDP fragments
- */
-
-#include <asm/delay.h>
-
-__wsum csum_partial(const void *p, int len, __wsum __sum)
-{
-       u32 sum = (__force u32)__sum;
-       const u16 *buff = p;
-       /*
-       * Experiments with ethernet and slip connections show that buff
-       * is aligned on either a 2-byte or 4-byte boundary.
-       */
-       const void *endMarker = p + len;
-       const void *marker = endMarker - (len % 16);
-#if 0
-       if((int)buff & 0x3)
-               printk("unaligned buff %p\n", buff);
-       __delay(900); /* extra delay of 90 us to test performance hit */
-#endif
-       BITON;
-       while (buff < marker) {
-               sum += *buff++;
-               sum += *buff++;
-               sum += *buff++;
-               sum += *buff++;
-               sum += *buff++;
-               sum += *buff++;
-               sum += *buff++;
-               sum += *buff++;
-       }
-       marker = endMarker - (len % 2);
-       while (buff < marker)
-               sum += *buff++;
-
-       if (endMarker > buff)
-               sum += *(const u8 *)buff;       /* add extra byte separately */
-
-       BITOFF;
-       return (__force __wsum)sum;
-}
-
-EXPORT_SYMBOL(csum_partial);