Date: Sun, 28 Feb 2010 18:06:54 +0000 (UTC) From: Bernd Walter <ticso@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r204476 - head/sys/arm/at91 Message-ID: <201002281806.o1SI6sGl052704@svn.freebsd.org>
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Author: ticso Date: Sun Feb 28 18:06:54 2010 New Revision: 204476 URL: http://svn.freebsd.org/changeset/base/204476 Log: simplify hash calculation Modified: head/sys/arm/at91/if_ate.c Modified: head/sys/arm/at91/if_ate.c ============================================================================== --- head/sys/arm/at91/if_ate.c Sun Feb 28 17:19:22 2010 (r204475) +++ head/sys/arm/at91/if_ate.c Sun Feb 28 18:06:54 2010 (r204476) @@ -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); }
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