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([2601:282:800:fd80:d462:ea64:486f:4002]) by smtp.googlemail.com with ESMTPSA id u29sm4854918ill.62.2019.12.20.08.11.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Dec 2019 08:11:57 -0800 (PST) Subject: Re: [RFC net-next 11/14] tun: run XDP program in tx path To: Prashant Bhole , Jason Wang , =?UTF-8?Q?Toke_H=c3=b8iland-J=c3=b8rgense?= =?UTF-8?Q?n?= , 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> From: David Ahern Message-ID: <3e7bbc36-256f-757b-d4e0-aeaae7009d6c@gmail.com> Date: Fri, 20 Dec 2019 09:11:55 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <3654a205-b3fd-b531-80ac-42823e089b39@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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.