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 X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31FE8C2D0DB for ; Sun, 26 Jan 2020 22:17:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EDE9720716 for ; Sun, 26 Jan 2020 22:17:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580077024; bh=G0YQljacqyGi60baxOGuuxA3tsDozb7ynGvgJM9FoSw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=ythe2CNlfQJ2v0kAuBbCRcvmTjHc8bIO32jYGJYG0xEIu9p60X04YoVdHC8R81BcU fzoM3ZYgaiP93VONawfeJYtAXoHojpF+fdcxhmWm185r111/P6kyaWjiuEOA1qGae9 cgekNX+Po/jiRoA3UILEyQEAu55d/4uMrrsraWjc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727161AbgAZWRD (ORCPT ); Sun, 26 Jan 2020 17:17:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:40194 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726144AbgAZWRD (ORCPT ); Sun, 26 Jan 2020 17:17:03 -0500 Received: from cakuba (c-73-93-4-247.hsd1.ca.comcast.net [73.93.4.247]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0538C206F0; Sun, 26 Jan 2020 22:17:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580077022; bh=G0YQljacqyGi60baxOGuuxA3tsDozb7ynGvgJM9FoSw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=uJpHRyui7Xc+240diNmKRK4PzUNzS3zCygiKGGPiB4JoX/1p+idVechGYSwRlSzif F/vjvKWeFz2mfqNIfIBo5dgUHWyPFO+IIGO1axdcJxXURaaW+e9szskwnRX9wUbM3N fWFJgcvw4jFRqkk4xxE0XZQ586S0+YcLmlrT3abU= Date: Sun, 26 Jan 2020 14:17:01 -0800 From: Jakub Kicinski To: Jesper Dangaard Brouer Cc: David Ahern , Toke =?UTF-8?B?SMO4aWxhbmQtSsO4cmdl?= =?UTF-8?B?bnNlbg==?= , David Ahern , netdev@vger.kernel.org, prashantbhole.linux@gmail.com, jasowang@redhat.com, davem@davemloft.net, mst@redhat.com, toshiaki.makita1@gmail.com, daniel@iogearbox.net, john.fastabend@gmail.com, ast@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, andriin@fb.com, David Ahern Subject: Re: [PATCH bpf-next 03/12] net: Add IFLA_XDP_EGRESS for XDP programs in the egress path Message-ID: <20200126141701.3f27b03c@cakuba> In-Reply-To: <20200126134933.2514b2ab@carbon> References: <20200123014210.38412-1-dsahern@kernel.org> <20200123014210.38412-4-dsahern@kernel.org> <87tv4m9zio.fsf@toke.dk> <335b624a-655a-c0c6-ca27-102e6dac790b@gmail.com> <20200124072128.4fcb4bd1@cakuba> <87o8usg92d.fsf@toke.dk> <1d84d8be-6812-d63a-97ca-ebc68cc266b9@gmail.com> <20200126134933.2514b2ab@carbon> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sun, 26 Jan 2020 13:49:33 +0100, Jesper Dangaard Brouer wrote: > Yes, please. I want this NIC TX hook to see both SKBs and xdp_frames. Any pointers on what for? Unless we see actual use cases there's a justifiable concern of the entire thing just being an application of "We can solve any problem by introducing an extra level of indirection."