diff options
Diffstat (limited to 'freebsd/sys/arm64/include/machine/in_cksum.h')
| -rw-r--r-- | freebsd/sys/arm64/include/machine/in_cksum.h | 43 |
1 files changed, 6 insertions, 37 deletions
diff --git a/freebsd/sys/arm64/include/machine/in_cksum.h b/freebsd/sys/arm64/include/machine/in_cksum.h index d55b838b..522ba005 100644 --- a/freebsd/sys/arm64/include/machine/in_cksum.h +++ b/freebsd/sys/arm64/include/machine/in_cksum.h @@ -1,6 +1,4 @@ /*- - * SPDX-License-Identifier: BSD-3-Clause - * * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * @@ -31,7 +29,6 @@ * 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 - * from: src/sys/alpha/include/in_cksum.h,v 1.7 2005/03/02 21:33:20 joerg * $FreeBSD$ */ @@ -40,44 +37,16 @@ #include <sys/cdefs.h> +#ifdef _KERNEL #define in_cksum(m, len) in_cksum_skip(m, len, 0) - +u_short in_addword(u_short sum, u_short b); +u_short in_cksum_skip(struct mbuf *m, int len, int skip); +u_int do_cksum(const void *, int); #if defined(IPVERSION) && (IPVERSION == 4) -/* - * 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. - */ -#ifdef __CC_SUPPORTS___INLINE - -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)); -} - -#else - -#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 +u_int in_cksum_hdr(const struct ip *); #endif -#ifdef _KERNEL -#if defined(IPVERSION) && (IPVERSION == 4) -u_int in_cksum_hdr(const struct ip *ip); -#endif -u_short in_addword(u_short sum, u_short b); u_short in_pseudo(u_int sum, u_int b, u_int c); -u_short in_cksum_skip(struct mbuf *m, int len, int skip); -#endif +#endif /* _KERNEL */ #endif /* _MACHINE_IN_CKSUM_H_ */ |