Date: Tue, 21 Feb 2012 01:15:52 +0100 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Brooks Davis <brooks@freebsd.org> Cc: net@freebsd.org, Marcel Moolenaar <marcel@xcllnt.net> Subject: Re: Abstracting struct ifnet Message-ID: <20120221001552.GA60050@onelab2.iet.unipi.it> In-Reply-To: <20120220231601.GA51310@lor.one-eyed-alien.net> References: <338757D1-6B1E-49CF-983F-5D5851066FD3@xcllnt.net> <20120220231601.GA51310@lor.one-eyed-alien.net>
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On Mon, Feb 20, 2012 at 05:16:02PM -0600, Brooks Davis wrote: > > The concept seems fine to me and I like that it might simplify future > API changes. Have you verified that if_get_*() accessors don't add > significant overhead? the vast majority of these fields are only accessed in the control path, not on each packet, so there isn't really a performance issue. Besides they can be trivially implemted as macros or inline functions. cheers luigi
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