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[185.107.14.3]) by smtp.gmail.com with ESMTPSA id s3sm1982831ejs.145.2022.01.14.08.50.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 14 Jan 2022 08:50:25 -0800 (PST) From: Jesper Dangaard Brouer X-Google-Original-From: Jesper Dangaard Brouer Message-ID: Date: Fri, 14 Jan 2022 17:50:23 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Cc: brouer@redhat.com, Jesper Dangaard Brouer , =?UTF-8?Q?Toke_H=c3=b8iland-J=c3=b8rgensen?= , Lorenzo Bianconi , Zvi Effron , Andrii Nakryiko , bpf , Networking , "David S. Miller" , Jakub Kicinski , Alexei Starovoitov , Daniel Borkmann , Shay Agroskin , john fastabend , David Ahern , Eelco Chaudron , Jason Wang , Alexander Duyck , Saeed Mahameed , Maciej Fijalkowski , Magnus Karlsson , tirthendu.sarkar@intel.com Subject: Re: [PATCH v21 bpf-next 18/23] libbpf: Add SEC name for xdp_mb programs Content-Language: en-US To: Alexei Starovoitov , Lorenzo Bianconi References: <8735lshapk.fsf@toke.dk> <47a3863b-080c-3ac2-ff2d-466b74d82c1c@redhat.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 14/01/2022 03.09, Alexei Starovoitov wrote: > On Thu, Jan 13, 2022 at 3:58 PM Lorenzo Bianconi wrote: >>> >>> Btw "xdp_cpumap" should be cleaned up. >>> xdp_cpumap is an attach type. It's not prog type. >>> Probably it should be "xdp/cpumap" to align with "cgroup/bind[46]" ? >> >> so for xdp "mb" or xdp "frags" it will be xdp/cpumap.mb (xdp/devmap.mb) or >> xdp/cpumap.frags (xdp/devmap.frags), right? > > xdp.frags/cpumap > xdp.frags/devmap > > The current de-facto standard for SEC("") in libbpf: > prog_type.prog_flags/attach_place Ups, did we make a mistake with SEC("xdp_devmap/") and can we correct without breaking existing programs? > "attach_place" is either function_name for fentry/, tp/, lsm/, etc. > or attach_type/hook/target for cgroup/bind4, cgroup_skb/egress. > > lsm.s/socket_bind -> prog_type = LSM, flags = SLEEPABLE > lsm/socket_bind -> prog_type = LSM, non sleepable. >