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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4F40C64ED6 for ; Fri, 24 Feb 2023 00:34:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229513AbjBXAeU (ORCPT ); Thu, 23 Feb 2023 19:34:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbjBXAeT (ORCPT ); Thu, 23 Feb 2023 19:34:19 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56EC54D604 for ; Thu, 23 Feb 2023 16:34:18 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E93BAB81B80 for ; Fri, 24 Feb 2023 00:34:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FE80C433EF; Fri, 24 Feb 2023 00:34:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677198855; bh=cQeUNwlYMtybqcy3gx5zULVUWJbw8RIYXERWpBLMH+g=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=n+LEVfpQ2APBGokJbIkuepQ60PTtg+hI+jEjFm9Zr8WHmIUWR5d2MJ57/GtVeg+u1 AeMKguMv3N2CgUUe4yipwBxcfObRXx5Rtejsr9XUtVWUv1fnuIjhzhwQ5VZ+eJn5aO AWDnARLJUWxyrefYJKAERcE6BC/G2DzwjECrPtr5OXyLZX40dRbYGJaJz98+NO7LXv xM5gGsNbB/wwTN+KuawJHop4aMYJhfhk+PdkFcXnsi3a8ousIUNOzTV4l+++qDP58R 9uVzNZ3G1eA+pSojJi/tmY1CLMqemP7CSi8EMgNzMLoJAc57fhq6kiAhmKn40Yq3qp NfCHX5rqEoLeQ== Date: Thu, 23 Feb 2023 16:34:14 -0800 From: Jakub Kicinski To: Saeed Mahameed Cc: "David S. Miller" , Paolo Abeni , Eric Dumazet , Saeed Mahameed , netdev@vger.kernel.org, Tariq Toukan , Maxim Mikityanskiy Subject: Re: [net 03/10] net/mlx5e: XDP, Allow growing tail for XDP multi buffer Message-ID: <20230223163414.6d860ecd@kernel.org> In-Reply-To: <20230223225247.586552-4-saeed@kernel.org> References: <20230223225247.586552-1-saeed@kernel.org> <20230223225247.586552-4-saeed@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, 23 Feb 2023 14:52:40 -0800 Saeed Mahameed wrote: > From: Maxim Mikityanskiy > > The cited commits missed passing frag_size to __xdp_rxq_info_reg, which > is required by bpf_xdp_adjust_tail to support growing the tail pointer > in fragmented packets. Pass the missing parameter when the current RQ > mode allows XDP multi buffer. Why is this a fix and not an (omitted) feature?