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authorRabin Vincent <rabin@rab.in>2015-05-22 20:58:48 +0200
committerJesper Nilsson <jespern@axis.com>2015-09-05 00:56:51 +0200
commitc2ffc68afc0fce16923a54b2dad4d544463b9e0b (patch)
treec2838c2f31959ed4da939cea8958819cd6b6d792 /arch/cris
parent7f0144e7779a8c62e3177301d4b2179432ce5460 (diff)
downloadlinux-c2ffc68afc0fce16923a54b2dad4d544463b9e0b.tar.bz2
CRISv10: delete unused lib/old_checksum.c
This file is never built. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris')
-rw-r--r--arch/cris/arch-v10/lib/old_checksum.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c
deleted file mode 100644
index 8f79163f1394..000000000000
--- a/arch/cris/arch-v10/lib/old_checksum.c
+++ /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);