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[124.211.219.252]) by smtp.gmail.com with ESMTPSA id k3sm22301785pgc.3.2019.12.23.03.06.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Dec 2019 03:06:58 -0800 (PST) Subject: Re: [RFC net-next 11/14] tun: run XDP program in tx path To: Jason Wang , David Ahern , =?UTF-8?Q?Toke_H=c3=b8iland-J=c3=b8rgensen?= , Alexei Starovoitov , Jesper Dangaard Brouer Cc: "David S . Miller" , "Michael S . Tsirkin" , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , Jakub Kicinski , John Fastabend , Toshiaki Makita , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , netdev@vger.kernel.org, Ilias Apalodimas References: <20191218081050.10170-1-prashantbhole.linux@gmail.com> <20191218081050.10170-12-prashantbhole.linux@gmail.com> <20191218110732.33494957@carbon> <87fthh6ehg.fsf@toke.dk> <20191218181944.3ws2oy72hpyxshhb@ast-mbp.dhcp.thefacebook.com> <35a07230-3184-40bf-69ff-852bdfaf03c6@gmail.com> <874kxw4o4r.fsf@toke.dk> <5eb791bf-1876-0b4b-f721-cb3c607f846c@gmail.com> <75228f98-338e-453c-3ace-b6d36b26c51c@redhat.com> <3654a205-b3fd-b531-80ac-42823e089b39@gmail.com> <3e7bbc36-256f-757b-d4e0-aeaae7009d6c@gmail.com> <58e0f61d-cb17-f517-d76d-8a665af31618@gmail.com> <4d1847f1-73c2-7cf2-11e4-ce66c268b386@redhat.com> <09118670-b0c7-897c-961d-022ad4dfb093@gmail.com> <2ca3d486-a5ee-5c78-e957-74f8932f1f62@redhat.com> From: Prashant Bhole Message-ID: Date: Mon, 23 Dec 2019 20:06:53 +0900 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <2ca3d486-a5ee-5c78-e957-74f8932f1f62@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 12/23/2019 5:34 PM, Jason Wang wrote: > > On 2019/12/23 下午4:09, Prashant Bhole wrote: >> >> >> On 12/23/19 3:05 PM, Jason Wang wrote: >>> >>> On 2019/12/21 上午6:17, Prashant Bhole wrote: >>>> >>>> >>>> On 12/21/2019 1:11 AM, David Ahern wrote: >>>>> On 12/19/19 9:46 PM, Prashant Bhole wrote: >>>>>> >>>>>> "It can improve container networking where veth pair links the >>>>>> host and >>>>>> the container. Host can set ACL by setting tx path XDP to the veth >>>>>> iface." >>>>> >>>>> Just to be clear, this is the use case of interest to me, not the >>>>> offloading. I want programs managed by and viewable by the host OS and >>>>> not necessarily viewable by the guest OS or container programs. >>>>> >>>> >>>> Yes the plan is to implement this while having a provision to implement >>>> offload feature on top of it. >>> >>> >>> I wonder maybe it's easier to focus on the TX path first then >>> consider building offloading support on top. >> Currently working on TX path. I will try make sure that we will be able >> to implement offloading on top of it later. >> >> Thanks. > > > Right, then I think it's better to drop patch 13 and bring it back in > the offloading series. > Yes that patch actually makes sense in offloading series.