Date: Mon, 24 Dec 2007 22:53:32 GMT From: Robert Watson <rwatson@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 131555 for review Message-ID: <200712242253.lBOMrWNn042303@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=131555 Change 131555 by rwatson@rwatson_cinnamon on 2007/12/24 22:53:16 Update README. Affected files ... .. //depot/projects/zcopybpf/README#3 edit Differences ... ==== //depot/projects/zcopybpf/README#3 (text+ko) ==== @@ -29,6 +29,12 @@ Build a fresh kernel and install it, with options BPF_ZEROCOPY if you want zero-copy buffer support. Build and install a fresh libpcap. +A new sysctl will be present, net.bpf.zerocopy_enable -- if it is set to 1 +(the default) then all new BPF sessions created by libpcap will use zero-copy +support. If set to 0, new sessions will use buffered reads. The +BPF_ZERO_COPY/BPF_ZEROCOPY environmental variables used in earlier prototypes +have now been removed in favour of this model. + Notes -----
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