Date: Fri, 02 Jun 2006 16:24:20 -0700 From: Sam Leffler <sam@errno.com> To: "Christian S.J. Peron" <csjp@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/ath if_ath.c src/sys/dev/ipw if_ipw.c src/sys/dev/iwi if_iwi.c src/sys/dev/ral rt2560.c rt2661.c src/sys/dev/usb if_ural.c src/sys/dev/wi if_wi.c src/sys/net bpf.c bpf.h bpfdesc.h if_disc.c if_gif.c if_gre.c if_loop.c if_sl.c ... Message-ID: <4480C8A4.2020403@errno.com> In-Reply-To: <200606021959.k52JxXlr022148@repoman.freebsd.org> References: <200606021959.k52JxXlr022148@repoman.freebsd.org>
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For the record we can eliminate the indirect ref through if_bpf if we embed the structure in the ifnet. For ifnet's that hookup to bpf this is a no-cost improvement. The downside is that ifnet's that don't work with bpf incur the overhead for the structure despite not using it. We decided to do this change separately in case anyone has an argument against it. Comments? Sam
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