From owner-freebsd-net@FreeBSD.ORG Tue Apr 7 22:00:21 2009 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 2FE24106578D for ; Tue, 7 Apr 2009 22:00:21 +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 A0A098FC08 for ; Tue, 7 Apr 2009 22:00:20 +0000 (UTC) (envelope-from freebsd-net@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LrJL8-0005TA-HE for freebsd-net@freebsd.org; Tue, 07 Apr 2009 22:00:19 +0000 Received: from 93-141-119-106.adsl.net.t-com.hr ([93.141.119.106]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 07 Apr 2009 22:00:18 +0000 Received: from ivoras by 93-141-119-106.adsl.net.t-com.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 07 Apr 2009 22:00:18 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-net@freebsd.org From: Ivan Voras Date: Tue, 07 Apr 2009 23:59:34 +0200 Lines: 40 Message-ID: References: <409843.2186.qm@web63904.mail.re1.yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigB390DE759E042013D08A7D71" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 93-141-119-106.adsl.net.t-com.hr User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) In-Reply-To: <409843.2186.qm@web63904.mail.re1.yahoo.com> X-Enigmail-Version: 0.95.7 Sender: news Subject: Re: Advice on a multithreaded netisr patch? 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: Tue, 07 Apr 2009 22:00:22 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigB390DE759E042013D08A7D71 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Barney Cordoba wrote: > 1) Multiple TX queues are not supported. There's some hokey code to > test, but it doesn't properly separate flows to the queues. > 2) 2 Rx queues don't work, so only 1 and 4 work > 3) With 4 queues, it just sucks up CPU under heavy load on 4 cpus. It w= ill > blow 4 cpus at a lower load than em will with 1 > 4) You'll need to fix DMA setup, as it sets the alignment requirement > to PAGE_SIZE. I haven't been able to convince Jack that its wrong, not > that I've tried very hard since its easy to just fix myself. Reading this thread it looks like the development of both Intel drivers is a bit stalled, doesn't it? AFAIK the em driver is also semi-officially abandoned, and both from my experience and others it looks like new development and patches are being rejected. Time to shop other hardware? --------------enigB390DE759E042013D08A7D71 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAknbzNIACgkQldnAQVacBcikhgCfesB1stCznijfA0tadxj3CjtE Nj8AnRXVnKZT8gLCDh4EODY9JM2ICE5p =x0kZ -----END PGP SIGNATURE----- --------------enigB390DE759E042013D08A7D71--