From owner-freebsd-net@FreeBSD.ORG Thu Nov 18 07:49:33 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3624616A4CE for ; Thu, 18 Nov 2004 07:49:33 +0000 (GMT) Received: from tigra.ip.net.ua (tigra.ip.net.ua [82.193.96.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 581BC43D3F for ; Thu, 18 Nov 2004 07:49:32 +0000 (GMT) (envelope-from ru@ip.net.ua) Received: from localhost (rocky.ip.net.ua [82.193.96.2]) by tigra.ip.net.ua (8.12.11/8.12.11) with ESMTP id iAI7nSnk079449; Thu, 18 Nov 2004 09:49:28 +0200 (EET) (envelope-from ru@ip.net.ua) Received: from tigra.ip.net.ua ([82.193.96.10]) by localhost (rocky.ipnet [82.193.96.2]) (amavisd-new, port 10024) with LMTP id 10587-06; Thu, 18 Nov 2004 09:49:27 +0200 (EET) Received: from heffalump.ip.net.ua (heffalump.ip.net.ua [82.193.96.213]) by tigra.ip.net.ua (8.12.11/8.12.11) with ESMTP id iAI7nRJt079446 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 18 Nov 2004 09:49:27 +0200 (EET) (envelope-from ru@ip.net.ua) Received: (from ru@localhost) by heffalump.ip.net.ua (8.13.1/8.13.1) id iAI7nUM5063056; Thu, 18 Nov 2004 09:49:30 +0200 (EET) (envelope-from ru) Date: Thu, 18 Nov 2004 09:49:29 +0200 From: Ruslan Ermilov To: Mark Magiera Message-ID: <20041118074929.GC60828@ip.net.ua> References: <20041117181351.GA48071@comp.chem.msu.su> <20041118052417.GR66822@squash.dsto.defence.gov.au> <54762.10.0.0.11.1100757084.squirrel@10.0.0.11> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="OBd5C1Lgu00Gd/Tn" Content-Disposition: inline In-Reply-To: <54762.10.0.0.11.1100757084.squirrel@10.0.0.11> User-Agent: Mutt/1.5.6i X-Virus-Scanned: by amavisd-new at ip.net.ua cc: "Wilkinson, Alex" cc: net@freebsd.org Subject: Re: polling(4) rocks! X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Nov 2004 07:49:33 -0000 --OBd5C1Lgu00Gd/Tn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 18, 2004 at 05:51:24AM -0000, Mark Magiera wrote: > > Why can some NIC use polling and others not ? > > > > eg I went to turn on polling on my BCM5782 Broadcom NetXtreme Gigabit > > Ethernet Card. And bge(4) doesn't mention anything about polling. > > > > Is it a hardware feature of the NIC ? > > > > - aW > > >=20 > >From `man 4 polling`: > SUPPORTED DEVICES > Polling requires explicit modifications to the device drivers. As of > this writing, the dc(4), em(4), fxp(4), rl(4), and sis(4) devices are > supported, with other in the works. >=20 > This seems to suggest all hardware supports it, just some drivers don't at > this/that(2002) moment in time. >=20 The polling(4) in -CURRENT has much more devices supported: : Device polling requires explicit modifications to the device drivers. : As of this writing, the dc(4), em(4), fwe(4), fxp(4), ixgb(4), : nge(4), re(4), rl(4), sf(4), sis(4), ste(4), vge(4), and vr(4) : devices are supported, with others in the works. Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --OBd5C1Lgu00Gd/Tn Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBnFQJqRfpzJluFF4RAv2PAJ9+4bRLD3EaMhYSiexSRNqFACutoACeJLDy +ilE866BEKbjv6E7vJXKdko= =Xfa1 -----END PGP SIGNATURE----- --OBd5C1Lgu00Gd/Tn--