Date: Fri, 14 Dec 2001 16:17:35 -0600 From: Jonathan Lemon <jlemon@flugsvamp.com> To: Luigi Rizzo <rizzo@aciri.org> Cc: Jonathan Lemon <jlemon@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/net if_var.h Message-ID: <20011214161735.Y377@prism.flugsvamp.com> In-Reply-To: <20011214140547.A53193@iguana.aciri.org> References: <200112141938.fBEJcao39840@freefall.freebsd.org> <20011214140547.A53193@iguana.aciri.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Dec 14, 2001 at 02:05:47PM -0800, Luigi Rizzo wrote: > On Fri, Dec 14, 2001 at 11:38:36AM -0800, Jonathan Lemon wrote: > > jlemon 2001/12/14 11:38:36 PST > > > > Modified files: (Branch: RELENG_4) > > sys/net if_var.h > > Log: > > MFC: r1.37; add entries for network device capabilitis. > > > > This is done in a different form; instead of adding new entries to > > 'struct ifnet', we coopt several unused fields in the structure instead, > > in order to preserve binary compatability with previous releases. > > I don't understand this. > > Since you haven't put a #define for if_done and if_poll_recv, any > code that might have used them is going to break, so you might as > well have just replaced the old fields with the new ones. > > Am I wrong ? No; but I did it this way to insure that the structure size didn't change on any of the architectures that we run on. -- Jonathan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20011214161735.Y377>