Date: Wed, 25 Jan 2006 10:50:06 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: John-Mark Gurney <gurney_j@resnet.uoregon.edu> Cc: rizzo@icir.org, julian@elischer.org, sthaug@nethelp.no, current@freebsd.org Subject: Re: if_flags usage etc. Message-ID: <20060125104901.X70912@fledge.watson.org> In-Reply-To: <20060124223539.GH69162@funkthat.com> References: <20060124075437.B67285@xorpc.icir.org> <43D67C6E.7020403@errno.com> <43D6811D.9070309@elischer.org> <20060124.231504.74682748.sthaug@nethelp.no> <20060124223539.GH69162@funkthat.com>
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On Tue, 24 Jan 2006, John-Mark Gurney wrote: > sthaug@nethelp.no wrote this message on Tue, Jan 24, 2006 at 23:15 +0100: >>> We should probably better document the interface "interface". if we are >>> going to (as Sam suggests) >>> do some cleanups we might as well consider what other changes should be >>> put in at the same time. >> >> A couple of other suggestions: >> >> - For software routers (quagga, zebra etc.) it would be very nice to >> have "link up" / "link down" notifications to the routing process(es). > > already supported, either through kqueue, routing socket, or devd (I > believe)... However, I believe some interface drivers don't generate these events. Drivers not supporting a specific event delivered by an interrupt probably need to learn to poll for state changes so that they can generate an event. Robert N M Watson
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