From owner-freebsd-net@freebsd.org Thu Jul 21 22:39:35 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 C33C1BA1D41 for ; Thu, 21 Jul 2016 22:39:35 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-io0-x232.google.com (mail-io0-x232.google.com [IPv6:2607:f8b0:4001:c06::232]) (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 8D7A8157F for ; Thu, 21 Jul 2016 22:39:35 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-io0-x232.google.com with SMTP id q83so89644083iod.1 for ; Thu, 21 Jul 2016 15:39:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=ydDguXEC/sQsfxSeci/K7XnieiH5tlvocfdDCZdFYYo=; b=ooZq4sXxRZHsie1W0ADwtIIw1HFlepfYDPNvKUXNHXE+856+NA79WvU6CZ6gK6X0Xy KBNG7z0dg+gBhbY0YNfjVNTsRFasLrOYf8O5XWieqkPjC2w/bTzPKXItQUnygi2JtIMT lA4dO2dTv0RKlIXMPX1o7vcysOT60+Y3y2xopi72eIjnIEUZm5MRqEvGpC6zaACw38pl LSWMaTBe0kbLS6RWRy85GGRlr2MrX5zGcr5FeqRMldsh3TM3nMekqmV5KClA5qTOIfbJ Qvp8k5wTruJJdh+7azyYBfYRxSA/GKOVadpESBZ5IPUWVybtcUTLcfgrGCEXjiGdbArO TYKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=ydDguXEC/sQsfxSeci/K7XnieiH5tlvocfdDCZdFYYo=; b=OfZFArCMsi1QLsG2rCmF9u2ulNoXQdp2BzdFj8SOOGXkoLHABsjlMmJktsRyvt2yha 9RzQIAiF0w3vRji68184fljCTptcZNTvBA3oLtM6bZqAaUO/Cr91NJE0eG0EF/QCm0KN u+0sUlM5u8fNZdo6WXs0BQ1ll1PUpqcJHl+RzrLaR0OS/4eGUo9T3oaAUCuCD/PhC3kd RwuodhNEDQ63skIsswqrtX8cuxHfVxRFsCVBxs7SwqU2d8M5twYIy0MJHRUlCgKqz7yX /iS/1zWYOyiPLMaagYjvJUi8eYrRWQQz+NZWoQhP3TKjZYCZr6XX3L1dPwb2Dq/AhrPG jKDA== X-Gm-Message-State: AEkooutCP0uSXPC3BkjsClqT3LpV20aG8IxQsvSobt9Q0fZfd8m9lPKYk9heso+pft30e/zHapuWpWChWtX7fg== X-Received: by 10.107.144.10 with SMTP id s10mr811684iod.165.1469140774760; Thu, 21 Jul 2016 15:39:34 -0700 (PDT) MIME-Version: 1.0 Sender: adrian.chadd@gmail.com Received: by 10.36.141.129 with HTTP; Thu, 21 Jul 2016 15:39:33 -0700 (PDT) In-Reply-To: <306af514-70ff-f3bf-5b4f-da7ac1ec6580@cs.duke.edu> References: <306af514-70ff-f3bf-5b4f-da7ac1ec6580@cs.duke.edu> From: Adrian Chadd Date: Thu, 21 Jul 2016 15:39:33 -0700 X-Google-Sender-Auth: rN2n3JNUJkPLDEnRqtQs1l7-PnA Message-ID: Subject: Re: proposal: splitting NIC RSS up from stack RSS To: Andrew Gallatin Cc: FreeBSD Net Content-Type: text/plain; charset=UTF-8 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: Thu, 21 Jul 2016 22:39:35 -0000 hi, Cool! Yeah, the RSS bits thing can be removed, as it's just doing a bitmask instead of a % operator to do mapping. I think we can just go to % and if people need the extra speed from a power-of-two operation, they can reintroduce it. I'll add that to the list. There's a librss, I don't think I committed it to -HEAD. I'll go dig it out and throw it into freebsd-head soon. -adrian