| in_cksum.h (127977) | in_cksum.h (143063) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * from tahoe: in_cksum.c 1.2 86/01/05 30 * from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91 31 * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * from tahoe: in_cksum.c 1.2 86/01/05 30 * from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91 31 * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp |
| 32 * $FreeBSD: head/sys/powerpc/include/in_cksum.h 127977 2004-04-07 05:00:01Z imp $ | 32 * $FreeBSD: head/sys/powerpc/include/in_cksum.h 143063 2005-03-02 21:33:29Z joerg $ |
| 33 */ 34 35#ifndef _MACHINE_IN_CKSUM_H_ 36#define _MACHINE_IN_CKSUM_H_ 1 37 38#include <sys/cdefs.h> 39 40#define in_cksum(m, len) in_cksum_skip(m, len, 0) 41 42/* 43 * It it useful to have an Internet checksum routine which is inlineable 44 * and optimized specifically for the task of computing IP header checksums 45 * in the normal case (where there are no options and the header length is 46 * therefore always exactly five 32-bit words. 47 */ | 33 */ 34 35#ifndef _MACHINE_IN_CKSUM_H_ 36#define _MACHINE_IN_CKSUM_H_ 1 37 38#include <sys/cdefs.h> 39 40#define in_cksum(m, len) in_cksum_skip(m, len, 0) 41 42/* 43 * It it useful to have an Internet checksum routine which is inlineable 44 * and optimized specifically for the task of computing IP header checksums 45 * in the normal case (where there are no options and the header length is 46 * therefore always exactly five 32-bit words. 47 */ |
| 48#ifdef __GNUC__ | 48#ifdef __CC_SUPPORTS___INLINE |
| 49 50static __inline void 51in_cksum_update(struct ip *ip) 52{ 53 int __tmpsum; 54 __tmpsum = (int)ntohs(ip->ip_sum) + 256; 55 ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); 56} --- 20 unchanged lines hidden --- | 49 50static __inline void 51in_cksum_update(struct ip *ip) 52{ 53 int __tmpsum; 54 __tmpsum = (int)ntohs(ip->ip_sum) + 256; 55 ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); 56} --- 20 unchanged lines hidden --- |