From: dlg <dlg@openbsd.org>
Date: Wed, 17 May 2023 10:22:17 +0000 (+0000)
Subject: fix stoeplitz_hash_h32.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=2c85293ca1a6616298520f9f157b476222578b11;p=openbsd

fix stoeplitz_hash_h32.

discussed with and ok tb@
---

diff --git a/sys/net/toeplitz.h b/sys/net/toeplitz.h
index 03060828408..52933eb30c8 100644
--- a/sys/net/toeplitz.h
+++ b/sys/net/toeplitz.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: toeplitz.h,v 1.10 2022/12/27 20:13:03 patrick Exp $ */
+/*	$OpenBSD: toeplitz.h,v 1.11 2023/05/17 10:22:17 dlg Exp $ */
 
 /*
  * Copyright (c) 2019 David Gwynne <dlg@openbsd.org>
@@ -92,9 +92,9 @@ stoeplitz_hash_h16(const struct stoeplitz_cache *scache, uint16_t h16)
 }
 
 static __unused inline uint16_t
-stoeplitz_hash_h32(const struct stoeplitz_cache *scache, uint64_t h32)
+stoeplitz_hash_h32(const struct stoeplitz_cache *scache, uint32_t h32)
 {
-	return (stoeplitz_hash_h16(scache, h32 & (h32 >> 16)));
+	return (stoeplitz_hash_h16(scache, h32 ^ (h32 >> 16)));
 }
 
 static __unused inline uint16_t