From 80720032c0e2555aec705c26c845f8bb163bd1f3 Mon Sep 17 00:00:00 2001 From: Bernd Walter Date: Sun, 28 Feb 2010 18:06:54 +0000 Subject: [PATCH] simplify hash calculation --- sys/arm/at91/if_ate.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/sys/arm/at91/if_ate.c b/sys/arm/at91/if_ate.c index 41c3221a529..2f6b741cc10 100644 --- a/sys/arm/at91/if_ate.c +++ b/sys/arm/at91/if_ate.c @@ -384,12 +384,8 @@ static uint32_t ate_mac_hash(const uint8_t *buf) { uint32_t index = 0; - uint8_t bit; - uint8_t bitshift; for (int i = 0; i < 48; i++) { - bit = i / 6; - bitshift = i - bit * 6; - index ^= ((buf[i >> 3] >> (i & 7)) & 1) << bitshift; + index ^= ((buf[i >> 3] >> (i & 7)) & 1) << (i % 6); } return (index); }