From c2ffc68afc0fce16923a54b2dad4d544463b9e0b Mon Sep 17 00:00:00 2001 From: Rabin Vincent Date: Fri, 22 May 2015 20:58:48 +0200 Subject: CRISv10: delete unused lib/old_checksum.c This file is never built. Signed-off-by: Rabin Vincent Signed-off-by: Jesper Nilsson 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 8f79163..0000000 --- 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, - * Arnt Gulbrandsen, - * Tom May, - * 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 -#include - -#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 -#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 - -__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); -- cgit v0.10.2