From owner-freebsd-net@FreeBSD.ORG Fri Oct 24 14:40:39 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A10B01065671 for ; Fri, 24 Oct 2008 14:40:39 +0000 (UTC) (envelope-from freebsd-net@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id BFE458FC19 for ; Fri, 24 Oct 2008 14:40:38 +0000 (UTC) (envelope-from freebsd-net@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1KtNq7-0003kq-2I for freebsd-net@freebsd.org; Fri, 24 Oct 2008 14:40:35 +0000 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 24 Oct 2008 14:40:35 +0000 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 24 Oct 2008 14:40:35 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-net@freebsd.org From: Ivan Voras Date: Fri, 24 Oct 2008 16:40:58 +0200 Lines: 47 Message-ID: References: <200810241612.04764.gizmen@blurp.pl> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigF385824B6A8B7CB3ED271B83" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Thunderbird 2.0.0.17 (X11/20080925) In-Reply-To: <200810241612.04764.gizmen@blurp.pl> X-Enigmail-Version: 0.95.0 Sender: news Subject: Re: does freebsd support so called Scalable I/O on intel NIC ? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Oct 2008 14:40:39 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF385824B6A8B7CB3ED271B83 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Bartosz Giza wrote: > Hi, >=20 > i am looking for a good NIC from NIC to put on our quite busy router ba= sed=20 > on freebsd 6.3 (soon 7.x) > I've found server NIC from intel and there is such a thing like scalabl= e I/O=20 > on windows and linux. > (from web page) >=20 > "load balancing on multiple CPUs Increases > performance on multi-processor systems by efficiently > balancing network loads across CPU cores when used > with Receive-Side Scaling from Microsoft or Scalable > I/O on Linux*" >=20 > Is such thing supported on freebsd ? I don't think so - I've run into problems when IO handling is limited to a single CPU. There are apparently unofficial patches for this here: http://people.yandex-team.ru/~wawa/ but I haven't tried them yet. Other components of "scalable IO" are present - interrupt moderation, TSO= =2E --------------enigF385824B6A8B7CB3ED271B83 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFJAd56ldnAQVacBcgRAlyrAKCI1k2afTDmeUqXNE0sG+z4Kw+FGACfUYOV 6WQz8u2wKKa2zrWV9/6TrJo= =Dtfr -----END PGP SIGNATURE----- --------------enigF385824B6A8B7CB3ED271B83--