From owner-freebsd-net@freebsd.org Tue Mar 7 15:11:06 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 DB5F8D01CE9 for ; Tue, 7 Mar 2017 15:11:06 +0000 (UTC) (envelope-from vegeta@tuxpowered.net) Received: from mail-wm0-x230.google.com (mail-wm0-x230.google.com [IPv6:2a00:1450:400c:c09::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 747B21F56 for ; Tue, 7 Mar 2017 15:11:06 +0000 (UTC) (envelope-from vegeta@tuxpowered.net) Received: by mail-wm0-x230.google.com with SMTP id n11so7479239wma.0 for ; Tue, 07 Mar 2017 07:11:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxpowered-net.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:organization:user-agent :in-reply-to:references:mime-version; bh=qezzfJfFl6eVBDJbWvMMPEVRFu56OX9va35C2FYYkis=; b=gw+PbRx8/OX8KNU1lIEhRj9HjRJkUL5G/re8j4NJFwGq+QONOSO4d85sZ7OsCdKozI XpRx36t4oJMcbRX2aKnWoMkKU3//lh9obCO65LUms3LwioJCvPvBY4Naqh3MTQrRO0rA WTfxwjwjzQMGclLyOJPI1neIwlDgKS6MJ/h9lZ6Bfk2q7YzUMqF/5ebMIO/+RCwB201N 2afERin92w6XbqEaNiFv87ASU+rd99My5sLf2phahZmrqyb6jjyh3YtDKb+THNBoFklb vQ16X4Kx3tqqJ1GRTIiMGMlUAKzycBIT5o3036SS+YeFPZXRQ+2tMWCTfilzAaBomMMD sysA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version; bh=qezzfJfFl6eVBDJbWvMMPEVRFu56OX9va35C2FYYkis=; b=LKHbAEutoCiFl6xDstdPz+mngJavXW2nb/XkkPQWa/IRgo8hWK+xeFHmE1wBmhGz14 vTX061QQ0NGRLorn89poaacrtlzlPUbMqjFgj4ph0fytrtkLkZ12ncqljyun0X/BY6+k ifAws3H07k4uXeq5Rbl1gtyTsTvZDJQDbhSXhYQTLhtPiAVWRj7s/+n2WF/Y0v7CF6cL 4tJPntBLgucjrhA219DYYB217jEEkpTtsNXVIF7BbeQEE3GomtIH6TAcq87uU2YPo/aB 3bv5VCmYqJ+rOshASXPqr94f+LCqQZVsYEfYtpJGfwh6vFmgZpeTMnFqxRDgHzXY45ol micg== X-Gm-Message-State: AMke39le/5w170dEShpyCHkyf5YbkKcQa5aLoVzYatuo3pxx1i/IXYORUCUUhIfa10/YmA== X-Received: by 10.28.18.134 with SMTP id 128mr1262853wms.53.1488899464513; Tue, 07 Mar 2017 07:11:04 -0800 (PST) Received: from energia.localnet ([2a02:8108:4b3f:d254::5]) by smtp.gmail.com with ESMTPSA id c9sm905179wmf.18.2017.03.07.07.11.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 07 Mar 2017 07:11:03 -0800 (PST) From: Kajetan Staszkiewicz To: Sepherosa Ziehau Cc: "freebsd-net@freebsd.org" Subject: Re: Why is MSI-X support disabled on bce(4)? Date: Tue, 07 Mar 2017 16:10:59 +0100 Message-ID: <4257854.XfJjHtrk4r@energia> Organization: tuxpowered.net User-Agent: KMail/5.2.3 (Linux/4.9.0-12.1-liquorix-amd64; KDE/5.28.0; x86_64; ; ) In-Reply-To: References: <1946092.tUUkk3b7I7@energia> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1572770.jZC0y4Ae39"; micalg="pgp-sha1"; protocol="application/pgp-signature" 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: Tue, 07 Mar 2017 15:11:07 -0000 --nextPart1572770.jZC0y4Ae39 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Dnia poniedzia=C5=82ek, 6 marca 2017 16:06:03 CET Sepherosa Ziehau pisze: > On Thu, Mar 2, 2017 at 10:02 PM, Kajetan Staszkiewicz >=20 > wrote: > > To whom it might concern: > >=20 > > Well, at least it does concern me. Why is support for multiple interrup= ts > > and queues not enabled on bce(4)? > >=20 > > Whole block of code is surrounded with #ifdef 0 ... #endif > >=20 > > https://github.com/freebsd/freebsd/blob/master/sys/dev/bce/if_bce.c#L11= 08 >=20 > It involves much more work than the commented out MSI-X allocation, like > this: > https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b42386ee03a4e688= c8 > 64ba8d7094064c63d93dce?hp=3Dbe5708901d52be5534d5075eec706f5570b6a0f3 That is sad news. Should I assume that porting this driver from DragonflyBS= D=20 to FreeBSD would be impossible? =2D-=20 | pozdrawiam / greetings | powered by Debian, FreeBSD and CentOS | | Kajetan Staszkiewicz | jabber,email: vegeta()tuxpowered net | | Vegeta | www: http://vegeta.tuxpowered.net | `------------------------^---------------------------------------' --nextPart1572770.jZC0y4Ae39 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQSOEQZObv2B8mf0JbnjtFCvbXs6FAUCWL7NgwAKCRDjtFCvbXs6 FLCyAKCPuJFkNiAug8zJp0ip+U1CBupR3wCdH5/8pj4+Ht/ZrnfeKUqWGa/26LM= =UtXb -----END PGP SIGNATURE----- --nextPart1572770.jZC0y4Ae39--