From owner-freebsd-net@freebsd.org Fri May 26 09:10:59 2017 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 43766D82E02 for ; Fri, 26 May 2017 09:10:59 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward2m.cmail.yandex.net (forward2m.cmail.yandex.net [IPv6:2a02:6b8:b030::19]) (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 C154C167E for ; Fri, 26 May 2017 09:10:58 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from smtp3m.mail.yandex.net (smtp3m.mail.yandex.net [IPv6:2a02:6b8:0:2519::125]) by forward2m.cmail.yandex.net (Yandex) with ESMTP id 4EFA5216B3; Fri, 26 May 2017 12:10:47 +0300 (MSK) Received: from smtp3m.mail.yandex.net (localhost.localdomain [127.0.0.1]) by smtp3m.mail.yandex.net (Yandex) with ESMTP id AF3462840BDB; Fri, 26 May 2017 12:10:46 +0300 (MSK) Received: by smtp3m.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id 6ku0RBSXFF-AjPOlWWI; Fri, 26 May 2017 12:10:45 +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=1495789845; bh=f3kWwqBK9t7Ww1NsWtht4tl51Wd9w0vPJ9L3Zt9IXKY=; h=Subject:To:Cc:References:From:Message-ID:Date:In-Reply-To; b=jFynhFcCBZSstdWyyozTq4S2pWj7phPDwtqU4wf0OE1LQHBxF4at+eMGLhL1mNIsN yfNjnzlKCYaJ+TKTfQY0QTfWNgvffxABlj3rXir/NU+0O8jo3SobzkNPlgYb/WMCqp nMKjgt0hZi2bByBObx9vFWYZFiSZnrqWEjrqni9A= Authentication-Results: smtp3m.mail.yandex.net; dkim=pass header.i=@yandex.ru X-Yandex-Suid-Status: 1 0,1 0 Subject: Re: Is "-vlanhwcsum" without effect? [Was: Re: if_igb(4) VLAN(4) and [RT]XCSUM_IPV6, TSO6 To: Harry Schmalzbauer Cc: "freebsd-net@freebsd.org" References: <58CAD8CB.3060101@omnilan.de> <283742a4-5314-eef3-ed53-958a1f6e7492@yandex.ru> <58E641B8.5050108@omnilan.de> <59271B5C.7020306@omnilan.de> From: "Andrey V. Elsukov" Openpgp: id=E6591E1B41DA1516F0C9BC0001C5EA0410C8A17A Message-ID: <2e80ee51-8311-8d64-d290-0cdbe26dcd58@yandex.ru> Date: Fri, 26 May 2017 12:09:10 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.0.1 MIME-Version: 1.0 In-Reply-To: <59271B5C.7020306@omnilan.de> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="S2X06TciDo1Px14vCMbdbfi1SJtJgCHoj" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 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, 26 May 2017 09:10:59 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --S2X06TciDo1Px14vCMbdbfi1SJtJgCHoj Content-Type: multipart/mixed; boundary="HmDQ92xp1uwraEQIIEoeEaUml2nnBen4T"; protected-headers="v1" From: "Andrey V. Elsukov" To: Harry Schmalzbauer Cc: "freebsd-net@freebsd.org" Message-ID: <2e80ee51-8311-8d64-d290-0cdbe26dcd58@yandex.ru> Subject: Re: Is "-vlanhwcsum" without effect? [Was: Re: if_igb(4) VLAN(4) and [RT]XCSUM_IPV6, TSO6 References: <58CAD8CB.3060101@omnilan.de> <283742a4-5314-eef3-ed53-958a1f6e7492@yandex.ru> <58E641B8.5050108@omnilan.de> <59271B5C.7020306@omnilan.de> In-Reply-To: <59271B5C.7020306@omnilan.de> --HmDQ92xp1uwraEQIIEoeEaUml2nnBen4T Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 25.05.2017 20:58, Harry Schmalzbauer wrote: > thank you for your fix, which made it into stable/11 in the meantime, > where I can confirm it does work. >=20 > But I noticed a possibly related oddity: > Setting "-vlanhwcsum" seems to have no effect, at least ifconfig(8) > reports always 'VLAN_HWCSUM'. > Haven't done any further tests, maybe your eye-brain-connection find th= e > answer quicker than any test I can do. I think it is driver specific bug. I tested with cxgbe(4), mlx5en(4), ixgbe(4), igb(4) and em(4) drivers, only cxgbe(4) sets/clears this flag correctly. --=20 WBR, Andrey V. Elsukov --HmDQ92xp1uwraEQIIEoeEaUml2nnBen4T-- --S2X06TciDo1Px14vCMbdbfi1SJtJgCHoj Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAlkn8LYACgkQAcXqBBDI oXqpgAf/f9HfZ3+CboK7N+KZA46jMsq9N+WPsF3cBFtE0gDoVZ5KdUKJGKheifcQ Hu7sTLRzInLqZN3XuByWrtlhmZAVzJcWbS8ufE2QYprWki3iwGslVeBvbSDnetBH zXgOhw/lvsUcBvPJEjnsvR3CqS0ReoHusUgBUKJkapx8DfpmNkoEGkvdwe8gM3Gz yC8m5e+QISzgQqeqiE+ZYHxt0qD1mykN836wfHD4HQOTI7ap978R0L50wEE/fM7Q nC+7H/1I1yfO4YCOQNmLEYxDQqsh7aWbk+pjRy+7npkRoYqWE4WBY9rmd4L1qim7 tCrmU3tUlW90/nKLrNDd7jd+GyDyqg== =XNyf -----END PGP SIGNATURE----- --S2X06TciDo1Px14vCMbdbfi1SJtJgCHoj--