From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 392C115A8; Fri, 1 Aug 2025 22:33:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754087625; cv=none; b=md71cK4Grx2Aj48tPnfBr2KmJr4CHGo3MGLYFk2eQhtcG1kaxau/4YvuTsIAI1UvF/0QbWfwvOq5NyilIUim3oseD3vUZThalfkWEtsuwV7p332JnBk7Oge1YiWGGKtSOZbpIpY0WnzEnouytvczNLdH0+Dkq4IfAbpviPhoA/A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754087625; c=relaxed/simple; bh=rHvT7XzTyZKGUqrO5uQ6yfryUOqdTr9MuHLG9FWPxR0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=k92p33Vgc+RTNIhfNUaEk6jgfNpNgGoVZGqBVckSc3unfGfpZS3tnYe5iUXybA93rzcbmjps/YH+zK3PYLqkgm61Bh2rEyZTe0lvn7XBlhFueVu7ZU7SOE1oWgGQo+AVlMSZ2bm1VZ/o52W8yC596rgJ+8OE+Mt1O2owtxOIawE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DrMIMpTF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DrMIMpTF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3249FC4CEE7; Fri, 1 Aug 2025 22:33:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754087624; bh=rHvT7XzTyZKGUqrO5uQ6yfryUOqdTr9MuHLG9FWPxR0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=DrMIMpTF7juPOgfakhioYc3zyLfUzAVsbQo2H4ycDqIN5WYj1t/s+UiYa66L9Y5LZ fYuKKBFrsZNJdfw4UyR1ZaZF+HlFiWGc/ex3N3VThZOPcdILaL9qKEgws7dQQUhuMK fn/2hCTLlQl65fStSZv2lr4uYzZWqkd1pUo0RuQ3xRUF72EHubgFbrSjmP2vO5exqR AcCWr53Atg0J2H5OXohHWUaq0i9FxCJ7fbpYPY+W4M3G8qeDYIWT5mfaepB76fPEb4 AP7SjAWTHFvHeVzrOMvFgJptg2RFy3thhVnZ/2pYY1YhtZUfdkip75NPeAN2E+lmup fIJ93hX7SvGOg== Date: Fri, 1 Aug 2025 15:33:43 -0700 From: Jakub Kicinski To: Alexander Lobakin Cc: intel-wired-lan@lists.osuosl.org, Michal Kubiak , Maciej Fijalkowski , Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Simon Horman , nxne.cnse.osdt.itp.upstreaming@intel.com, bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH iwl-next v3 16/18] idpf: add support for XDP on Rx Message-ID: <20250801153343.74e0884b@kernel.org> In-Reply-To: <20250730160717.28976-17-aleksander.lobakin@intel.com> References: <20250730160717.28976-1-aleksander.lobakin@intel.com> <20250730160717.28976-17-aleksander.lobakin@intel.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 30 Jul 2025 18:07:15 +0200 Alexander Lobakin wrote: > Use __LIBETH_WORD_ACCESS to parse descriptors more efficiently when > applicable. It really gives some good boosts and code size reduction > on x86_64. Could you perhaps quantify the goodness of the boost with a number? :) From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CAC45C87FCA for ; Fri, 1 Aug 2025 22:33:48 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 8A9A4413C8; Fri, 1 Aug 2025 22:33:48 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id FjXfGs_IbBUm; Fri, 1 Aug 2025 22:33:48 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 0D2C5413D6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1754087628; bh=rHvT7XzTyZKGUqrO5uQ6yfryUOqdTr9MuHLG9FWPxR0=; h=Date:From:To:Cc:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=zNkbpN42BJ6n0/byOvUHlb+Il38h0HQ+UDbBKfXkad1QDbg0f7ZxFI7zjuGI40z7y iVxj3VWpYFj1DNRZs5q7Nog2l7nHnJALDYf/2kDXuRsZey8WxYRq8bfr9aJ2GPU3QB +r3qNriecmyY8hzYk7RULHz4LpzpL8co/tOdGph0VC0Tjxw7tptapWl8zXEmls2r9b GiSwzKJ50VaUXzrQxZlM6cdih4X5KLOnsvoVhfVhjAj1XQTm9YB9wT/ycooie+DXiZ JXqNq/uY9t9TbU1PU1eYnAmGBIDwINW53yiDP7AtzGvC3TmfvCzEVgRNFn9xTDRiIF XkBoPCFpU0/mw== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp4.osuosl.org (Postfix) with ESMTP id 0D2C5413D6; Fri, 1 Aug 2025 22:33:48 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists1.osuosl.org (Postfix) with ESMTP id 038C2C8 for ; Fri, 1 Aug 2025 22:33:47 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id E990A413D6 for ; Fri, 1 Aug 2025 22:33:46 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id Yh4X9QiZSvt1 for ; Fri, 1 Aug 2025 22:33:46 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=147.75.193.91; helo=nyc.source.kernel.org; envelope-from=kuba@kernel.org; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp4.osuosl.org 56F0B413C8 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 56F0B413C8 Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by smtp4.osuosl.org (Postfix) with ESMTPS id 56F0B413C8 for ; Fri, 1 Aug 2025 22:33:46 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 16E3BA5545B; Fri, 1 Aug 2025 22:33:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3249FC4CEE7; Fri, 1 Aug 2025 22:33:44 +0000 (UTC) Date: Fri, 1 Aug 2025 15:33:43 -0700 From: Jakub Kicinski To: Alexander Lobakin Cc: intel-wired-lan@lists.osuosl.org, Michal Kubiak , Maciej Fijalkowski , Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Simon Horman , nxne.cnse.osdt.itp.upstreaming@intel.com, bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: <20250801153343.74e0884b@kernel.org> In-Reply-To: <20250730160717.28976-17-aleksander.lobakin@intel.com> References: <20250730160717.28976-1-aleksander.lobakin@intel.com> <20250730160717.28976-17-aleksander.lobakin@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754087624; bh=rHvT7XzTyZKGUqrO5uQ6yfryUOqdTr9MuHLG9FWPxR0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=DrMIMpTF7juPOgfakhioYc3zyLfUzAVsbQo2H4ycDqIN5WYj1t/s+UiYa66L9Y5LZ fYuKKBFrsZNJdfw4UyR1ZaZF+HlFiWGc/ex3N3VThZOPcdILaL9qKEgws7dQQUhuMK fn/2hCTLlQl65fStSZv2lr4uYzZWqkd1pUo0RuQ3xRUF72EHubgFbrSjmP2vO5exqR AcCWr53Atg0J2H5OXohHWUaq0i9FxCJ7fbpYPY+W4M3G8qeDYIWT5mfaepB76fPEb4 AP7SjAWTHFvHeVzrOMvFgJptg2RFy3thhVnZ/2pYY1YhtZUfdkip75NPeAN2E+lmup fIJ93hX7SvGOg== X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=DrMIMpTF Subject: Re: [Intel-wired-lan] [PATCH iwl-next v3 16/18] idpf: add support for XDP on Rx X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Wed, 30 Jul 2025 18:07:15 +0200 Alexander Lobakin wrote: > Use __LIBETH_WORD_ACCESS to parse descriptors more efficiently when > applicable. It really gives some good boosts and code size reduction > on x86_64. Could you perhaps quantify the goodness of the boost with a number? :)