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Date:      Tue, 22 Jan 2002 11:00:33 +0200
From:      Ruslan Ermilov <ru@FreeBSD.org>
To:        Dag-Erling Smorgrav <des@ofug.org>
Cc:        "M. Warner Losh" <imp@village.org>, rwatson@FreeBSD.org, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/net if.c if.h route.h rtsock.c src/share/man/man4 route.4 src/sbin/route route.c
Message-ID:  <20020122110033.D78733@sunbay.com>
In-Reply-To: <xzpbsfns97l.fsf@flood.ping.uio.no>
References:  <20020121103822.A16527@sunbay.com> <Pine.NEB.3.96L.1020121101217.69509A-100000@fledge.watson.org> <20020121173406.A77567@sunbay.com> <20020121.085527.98102760.imp@village.org> <20020121183947.A83821@sunbay.com> <xzpbsfns97l.fsf@flood.ping.uio.no>

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On Mon, Jan 21, 2002 at 10:08:46PM +0100, Dag-Erling Smorgrav wrote:
> Ruslan Ermilov <ru@FreeBSD.org> writes:
> > I've looked at several device drivers, and some get asynchronous
> > notifications about media status changes (like ti(4)), and some
> > don't (like dc(4) using dcphy_status() through mii_pollstat()).
> > This means that the only reliable way is to periodically query
> > the driver about media status changes through the SIOCGIFMEDIA
> > ioctl.
> 
> Could drivers that don't get asynchronous notification of media status
> changes, poll the media status once a second?
> 
How this is better than polling media status of a single interested
device from userland once a second?


Cheers,
-- 
Ruslan Ermilov		Oracle Developer/DBA,
ru@sunbay.com		Sunbay Software AG,
ru@FreeBSD.org		FreeBSD committer,
+380.652.512.251	Simferopol, Ukraine

http://www.FreeBSD.org	The Power To Serve
http://www.oracle.com	Enabling The Information Age

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