move in6_cksum_phdr from in6.h to ip6_output.c to mirror in_cksum_phdr

ok henning@

1 files changed, 1 insertions, 50 deletions

diff --git a/sys/netinet6/in6.h b/sys/netinet6/in6.h
index 7a17a3e9c8f..78cd3e32a72 100644
--- a/sys/netinet6/in6.h
+++ b/sys/netinet6/in6.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: in6.h,v 1.70 2014/01/22 14:27:20 naddy Exp $	*/
+/*	$OpenBSD: in6.h,v 1.71 2014/04/20 16:48:22 naddy Exp $	*/
 /*	$KAME: in6.h,v 1.83 2001/03/29 02:55:07 jinmei Exp $	*/
 
 /*
@@ -416,55 +416,6 @@ typedef	__socklen_t	socklen_t;	/* length type for network syscalls */
 #endif /* __BSD_VISIBLE */
 
 #ifdef _KERNEL
-/*
- * in6_cksum_phdr:
- *
- *	Compute significant parts of the IPv6 checksum pseudo-header
- *	for use in a delayed TCP/UDP checksum calculation.
- *
- *	Args:
- *
- *		src		Source IPv6 address
- *		dst		Destination IPv6 address
- *		len		htonl(proto-hdr-len)
- *		nxt		htonl(next-proto-number)
- *
- *	NOTE: We expect the src and dst addresses to be 16-bit
- *	aligned!
- */
-static __inline u_int16_t __attribute__((__unused__))
-in6_cksum_phdr(const struct in6_addr *src, const struct in6_addr *dst,
-    u_int32_t len, u_int32_t nxt)
-{
-	u_int32_t sum = 0;
-	const u_int16_t *w;
-
-	w = (const u_int16_t *) src;
-	sum += w[0];
-	if (!IN6_IS_SCOPE_EMBED(src))
-		sum += w[1];
-	sum += w[2]; sum += w[3]; sum += w[4]; sum += w[5];
-	sum += w[6]; sum += w[7];
-
-	w = (const u_int16_t *) dst;
-	sum += w[0];
-	if (!IN6_IS_SCOPE_EMBED(dst))
-		sum += w[1];
-	sum += w[2]; sum += w[3]; sum += w[4]; sum += w[5];
-	sum += w[6]; sum += w[7];
-
-	sum += (u_int16_t)(len >> 16) + (u_int16_t)(len /*& 0xffff*/);
-
-	sum += (u_int16_t)(nxt >> 16) + (u_int16_t)(nxt /*& 0xffff*/);
-
-	sum = (u_int16_t)(sum >> 16) + (u_int16_t)(sum /*& 0xffff*/);
-
-	if (sum > 0xffff)
-		sum -= 0xffff;
-
-	return (sum);
-}
-
 extern	u_char inet6ctlerrmap[];
 extern	struct ifqueue ip6intrq;	/* IP6 packet input queue */
 extern	struct in6_addr zeroin6_addr;