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-rw-r--r--c/src/exec/libnetworking/machine/in_cksum.h218
1 files changed, 0 insertions, 218 deletions
diff --git a/c/src/exec/libnetworking/machine/in_cksum.h b/c/src/exec/libnetworking/machine/in_cksum.h
deleted file mode 100644
index 81f2fe1c11..0000000000
--- a/c/src/exec/libnetworking/machine/in_cksum.h
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * from tahoe: in_cksum.c 1.2 86/01/05
- * from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91
- * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp
- * $Id$
- */
-
-#ifndef _MACHINE_IN_CKSUM_H_
-#define _MACHINE_IN_CKSUM_H_ 1
-
-#include <sys/cdefs.h>
-
-/*
- * It it useful to have an Internet checksum routine which is inlineable
- * and optimized specifically for the task of computing IP header checksums
- * in the normal case (where there are no options and the header length is
- * therefore always exactly five 32-bit words.
- */
-
-/*
- * Optimized version for the i386 family
- */
-
-#if (defined(__GNUC__) && defined(__i386__))
-
-static __inline u_int
-in_cksum_hdr(const struct ip *ip)
-{
- register u_int sum = 0;
-
-#define ADD(n) \
- __asm__ volatile ("addl " #n "(%2), %0" : "=r" (sum) : "0" (sum), "r" (ip))
-#define ADDC(n) \
- __asm__ volatile ("adcl " #n "(%2), %0" : "=r" (sum) : "0" (sum), "r" (ip))
-#define MOP \
- __asm__ volatile ("adcl $0, %0" : "=r" (sum) : "0" (sum))
-
- ADD(0);
- ADDC(4);
- ADDC(8);
- ADDC(12);
- ADDC(16);
- MOP;
- sum = (sum & 0xffff) + (sum >> 16);
- if (sum > 0xffff)
- sum -= 0xffff;
-
- return ~sum & 0xffff;
-}
-
-static __inline void
-in_cksum_update(struct ip *ip)
-{
- int __tmpsum;
- __tmpsum = (int)ntohs(ip->ip_sum) + 256;
- ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16));
-}
-
-/*
- * Optimized version for the MC68xxx and Coldfire families
- */
-
-#elif (defined(__GNUC__) && (defined(__mc68000__) || defined(__m68k__)))
-
-static __inline__ u_int
-in_cksum_hdr(const struct ip *ip)
-{
- register u_int *ap = (u_int *)ip;
- register u_int sum = *ap++;
- register u_int tmp;
-
- __asm__("addl %2@+,%0\n\t"
- "movel %2@+,%1\n\t"
- "addxl %1,%0\n\t"
- "movel %2@+,%1\n\t"
- "addxl %1,%0\n\t"
- "movel %2@,%1\n\t"
- "addxl %1,%0\n\t"
- "moveq #0,%1\n\t"
- "addxl %1,%0\n" :
- "=d" (sum), "=d" (tmp), "=a" (ap) :
- "0" (sum), "2" (ap));
- sum = (sum & 0xffff) + (sum >> 16);
- if (sum > 0xffff)
- sum -= 0xffff;
- return ~sum & 0xffff;
-}
-
-/*
- * Optimized version for the PowerPC family
- */
-
-#elif (defined(__GNUC__) && (defined(__PPC__) || defined(__ppc__)))
-
-static __inline u_int
-in_cksum_hdr(const struct ip *ip)
-{
- register u_int sum = 0;
- register u_int tmp;
-
-#define ADD(n) \
- __asm__ volatile ("addc %0,%0,%2" : "=r" (sum) : "0" (sum), "r" (n))
-#define ADDC(n) \
- __asm__ volatile ("adde %0,%0,%2" : "=r" (sum) : "0" (sum), "r" (n))
-#define MOP \
- __asm__ volatile ("addic %0,%0,0" : "=r" (sum) : "0" (sum))
-
- tmp = *(((u_int *) ip)); ADD(tmp);
- tmp = *(((u_int *) ip) + 1); ADDC(tmp);
- tmp = *(((u_int *) ip) + 2); ADDC(tmp);
- tmp = *(((u_int *) ip) + 3); ADDC(tmp);
- tmp = *(((u_int *) ip) + 4); ADDC(tmp);
- tmp = 0; ADDC(tmp);
- sum = (sum & 0xffff) + (sum >> 16);
- if (sum > 0xffff)
- sum -= 0xffff;
-
- return ~sum & 0xffff;
-}
-
-static __inline void
-in_cksum_update(struct ip *ip)
-{
- int __tmpsum;
- __tmpsum = (int)ntohs(ip->ip_sum) + 256;
- ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16));
-}
-
-/*
- * SPARC Version
- */
-
-#elif (defined(__GNUC__) && defined(sparc))
-
-static __inline u_int
-in_cksum_hdr(const struct ip *ip)
-{
- register u_int sum = 0;
- register u_int tmp_o2;
- register u_int tmp_o3;
-
- __asm__ volatile (" \
- ld [%0], %1 ; \
- ld [%0+4], %2 ; \
- addcc %1, %2, %1 ; \
- ld [%0+8], %2 ; \
- addxcc %1, %2, %1 ; \
- ld [%0+12], %2 ; \
- addxcc %1, %2, %1 ; \
- ld [%0+16], %2 ; \
- addxcc %1, %2, %1 ; \
- set 0x0ffff, %3 ; \
- srl %1, 16, %2 ; \
- and %1, %3, %1 ; \
- addx %1, %2, %1 ; \
- srl %1, 16, %1 ; \
- add %1, %%g0, %1 ; \
- neg %1 ; \
- and %1, %3, %1 ; \
- " : "=r" (ip), "=r" (sum), "=r" (tmp_o2), "=r" (tmp_o3)
- : "0" (ip), "1" (sum)
- );
- return sum;
-}
-
-#define in_cksum_update(ip) \
- do { \
- int __tmpsum; \
- __tmpsum = (int)ntohs(ip->ip_sum) + 256; \
- ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); \
- } while(0)
-/*
- * Here is the generic, portable, inefficient algorithm.
- */
-
-#else
-u_int in_cksum_hdr __P((const struct ip *));
-#define in_cksum_update(ip) \
- do { \
- int __tmpsum; \
- __tmpsum = (int)ntohs(ip->ip_sum) + 256; \
- ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); \
- } while(0)
-
-#endif
-
-#endif /* _MACHINE_IN_CKSUM_H_ */
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