Date: Mon, 19 Dec 2005 19:38:36 +0100 From: Jeremie Le Hen <jeremie@le-hen.org> To: Jung-uk Kim <jkim@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/amd64 bpf_jit_machdep.c bpf_jit_machdep.h src/sys/conf files files.amd64 files.i386 options.amd64 options.i386 src/sys/i386/i386 bpf_jit_machdep.c bpf_jit_machdep.h src/sys/net bpf.c bpf_jitter.c bpf_jitter.h bpfdesc.h Message-ID: <20051219183835.GC3512@obiwan.tataz.chchile.org> In-Reply-To: <200512060258.jB62wCnk084452@repoman.freebsd.org> References: <200512060258.jB62wCnk084452@repoman.freebsd.org>
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Hi, Jung-uk, On Tue, Dec 06, 2005 at 02:58:12AM +0000, Jung-uk Kim wrote: > jkim 2005-12-06 02:58:12 UTC > > FreeBSD src repository > > Modified files: > sys/conf files files.amd64 files.i386 > options.amd64 options.i386 > sys/net bpf.c bpfdesc.h > Added files: > sys/amd64/amd64 bpf_jit_machdep.c bpf_jit_machdep.h > sys/i386/i386 bpf_jit_machdep.c bpf_jit_machdep.h > sys/net bpf_jitter.c bpf_jitter.h > Log: > Add experimental BPF Just-In-Time compiler for amd64 and i386. > > Use the following kernel configuration option to enable: > > options BPF_JITTER > > If you want to use bpf_filter() instead (e. g., debugging), do: > > sysctl net.bpf.jitter.enable=0 > > to turn it off. > > Currently BIOCSETWF and bpf_mtap2() are unsupported, and bpf_mtap() is > partially supported because 1) no need, 2) avoid expensive m_copydata(9). > > Obtained from: WinPcap 3.1 (for i386) Though the name looks quite exciting, I don't really know what it is. I tried to look on WinPcap's website as well as searching on Google, but found nothing relevant. Could you explain in a few words what it is and the difference with the old bpf(4) behaviour, please ? Does this change will lead to a new note in bpf(4) manual page once it won't be experimental any more ? Best regards, -- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org >
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