From owner-freebsd-net@freebsd.org Tue Jun 7 12:44:18 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D04B7B6D256 for ; Tue, 7 Jun 2016 12:44:18 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward4j.cmail.yandex.net (forward4j.cmail.yandex.net [IPv6:2a02:6b8:0:1630::17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "forwards.mail.yandex.net", Issuer "Yandex CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5323E12E5 for ; Tue, 7 Jun 2016 12:44:18 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from smtp14.mail.yandex.net (smtp14.mail.yandex.net [IPv6:2a02:6b8:0:801:1::13]) by forward4j.cmail.yandex.net (Yandex) with ESMTP id 8E55221011; Tue, 7 Jun 2016 15:44:02 +0300 (MSK) Received: from smtp14.mail.yandex.net (localhost [127.0.0.1]) by smtp14.mail.yandex.net (Yandex) with ESMTP id ECDF91B60357; Tue, 7 Jun 2016 15:44:01 +0300 (MSK) Received: by smtp14.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id 9g6JDzx6vW-i1WOVZca; Tue, 07 Jun 2016 15:44:01 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1465303441; bh=kPklKzAz9/szRF5HhZZhTJMJPDM+BWgjSsq27kr+fVc=; h=Subject:To:References:Cc:From:Message-ID:Date:User-Agent: MIME-Version:In-Reply-To:Content-Type; b=aRh3Zjw9oyK6T0ML+2urevCFiMNLIte/sFa5Xa+X0rGh8rqFhrw17FwSBZR3Ccy8O IgDX7pSHtGELekaaQbFNJD5UxQeWfIAeUNdGh9XOwFfTDCq44yJNYVzI0pUYtUIezF GIWUt2COwhiO3n61NXBN+mbjqufukbBsnCXEa91Q= Authentication-Results: smtp14.mail.yandex.net; dkim=pass header.i=@yandex.ru X-Yandex-Suid-Status: 1 0,1 0,1 0,1 0 Subject: Re: Is netmap jumbo frames broken in STABLE? To: Andrew Vylegzhanin , "freebsd-net@freebsd.org" References: Cc: Ryan Stone , Luigi Rizzo From: "Andrey V. Elsukov" Message-ID: <5756C17D.1090409@yandex.ru> Date: Tue, 7 Jun 2016 15:43:41 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="cPEtbGKx7erBTgBdGKgdWWvSV0JERXWi5" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 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 Jun 2016 12:44:18 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --cPEtbGKx7erBTgBdGKgdWWvSV0JERXWi5 Content-Type: multipart/mixed; boundary="6E0JO9m0tg2pjRP7HmtWlBmwx1AeO0Nsx" From: "Andrey V. Elsukov" To: Andrew Vylegzhanin , "freebsd-net@freebsd.org" Cc: Ryan Stone , Luigi Rizzo Message-ID: <5756C17D.1090409@yandex.ru> Subject: Re: Is netmap jumbo frames broken in STABLE? References: In-Reply-To: --6E0JO9m0tg2pjRP7HmtWlBmwx1AeO0Nsx Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 07.06.16 15:22, Andrew Vylegzhanin wrote: > Just for support Luigi assumption. >=20 > I've tested on 11.0-ALPHA1 (r301204). > Same situation with frame size 5166 and works _well_ with frame size 40= 32. This was changed in https://svnweb.freebsd.org/base?view=3Drevision&revision=3D283883 In the ixgbe_init_locked() initialization of adapter->rx_mbuf_sz was limited to MJUMPAGESIZE. But I'm agree with Ryan, with this configuration it works more reliable. --=20 WBR, Andrey V. Elsukov --6E0JO9m0tg2pjRP7HmtWlBmwx1AeO0Nsx-- --cPEtbGKx7erBTgBdGKgdWWvSV0JERXWi5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJXVsGBAAoJEAHF6gQQyKF6tJ8H/131BlPBIh9UIoSmyKdQqUDv OJTpqik0ldhz7l8m77OSTNNbAlMBa+lKTV48pPC7OMXLg4A4V3uhgH+gqIMtGcYk F1LJFw9/UsxpZ1hrHi6RMhE7V+rMwC9Z47V+9DqdK8FH+q+/bnrN2SJnD6KQ++dx 8MOekPTAVFhhEr45F7UGpyZFtoFCnX3QVAUDvhbmMy4OloNlgr8hkgZNkqlzd/I4 lt8R9oegc4mVJG4W5AttWZ0DtJyI9tsIUuYU2aF8cSP943E5YNU0Lni/A9iBasFt mjMw7hc0OukNM2fvfoQdC8ut0thU0LUvB7QAIEUivNFMCVru9/f2JCmy8H+OdvY= =7XFd -----END PGP SIGNATURE----- --cPEtbGKx7erBTgBdGKgdWWvSV0JERXWi5--