Date: Thu, 18 Nov 2004 09:49:29 +0200 From: Ruslan Ermilov <ru@freebsd.org> To: Mark Magiera <mark@hyow.eu.org> Cc: net@freebsd.org Subject: Re: polling(4) rocks! Message-ID: <20041118074929.GC60828@ip.net.ua> In-Reply-To: <54762.10.0.0.11.1100757084.squirrel@10.0.0.11> 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>
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--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--
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