From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B5687EADC for ; Tue, 29 Aug 2023 14:15:09 +0000 (UTC) Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91CD71A3 for ; Tue, 29 Aug 2023 07:15:04 -0700 (PDT) Received: by mail-pg1-x529.google.com with SMTP id 41be03b00d2f7-55b5a37acb6so273128a12.0 for ; Tue, 29 Aug 2023 07:15:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1693318504; x=1693923304; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=xeDylU+kXIFI8VAdQQpgMmEQl8NnsxokpRjlVOYRtKA=; b=AGSVVljt3aRF4LN3ayyc9rZw4RtXnf0clXTLwGTTzTYEyhZTPUeDuMqb1fzmSQtbA/ 7RQBRB72SCWz68W7Z9JIBXvxVcoB0beIbop+Cft+2xoHSk6BwUfi6C0YfabAuyYlLVJy OjZRDTyikVOaBj1/RAB0J/cTXd0HsPT97FkTPQBUNe10kzmDo1yVy/RoMyUjwtNUXgoY yFJazB1tS5lZZjLnX/3JsnHEWQ47nBmMXmfogb335h4VtXWM/E0Md93JwtQWQiEfzfMG MgdkvvKBx496dk0fz75vpKOLbaAEh8I1IG9fAyhKTHpyuLrerdIrwehDItTrfWwb7GUJ +jtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693318504; x=1693923304; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=xeDylU+kXIFI8VAdQQpgMmEQl8NnsxokpRjlVOYRtKA=; b=A96Y7PhNOEuKMypCyS7gmnNWYgJspn1JlW6z+7tteLbuFZtxiv+dM6Qw7eC7caFmdM 4vmbX7k4z7P1JzOus6rjVoeqI2hZnqqBHDLHIAeebzOyJXMEnt+0PC2b3LVAkLdwbzTv 9nkt2QRToodFejWYcdFR72ipSy7FnDC/hyqDdwv2KAuShwgj/rLbH0TdIFOuEQ0Fi3up T3vh8qQYhGufPr3TDR9FzzQmMzxZ3FbkHSFcadYVg34fM4fpbZsyIGdwaQwMbRX3S7Z1 aVAv5UtsvwdRc6M9eY0Cr7qbgbPM1zSqkpNZaR3aZ7pmRK4KM528WP7p80O6dpoAUGAr 6c8A== X-Gm-Message-State: AOJu0YwTcJEArKD6U2QXY7GJrzGGyId7yZrs69SIs77fAGT/MfpRx70e qBwJf+EoRckObizHPbKsft4= X-Google-Smtp-Source: AGHT+IG0hnW9A6TptY6/hdALT2AqqXTwK8YH8j4HVLGl9OI6OPvKnHGzHhHrVsjpvLcjEPcZA1ikXA== X-Received: by 2002:a17:90a:3041:b0:26d:412c:fc3c with SMTP id q1-20020a17090a304100b0026d412cfc3cmr26759955pjl.3.1693318503990; Tue, 29 Aug 2023 07:15:03 -0700 (PDT) Received: from hoboy.vegasvil.org ([2601:640:8000:54:e2d5:5eff:fea5:802f]) by smtp.gmail.com with ESMTPSA id t20-20020a17090b019400b002694fee879csm10854513pjs.36.2023.08.29.07.15.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Aug 2023 07:15:03 -0700 (PDT) Date: Tue, 29 Aug 2023 07:15:01 -0700 From: Richard Cochran To: Xabier Marquiegui Cc: chrony-dev@chrony.tuxfamily.org, mlichvar@redhat.com, netdev@vger.kernel.org, ntp-lists@mattcorallo.com Subject: Re: [PATCH] ptp: Demultiplexed timestamp channels Message-ID: References: <20230829114752.2695430-1-reibax@gmail.com> <20230829114752.2695430-2-reibax@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Tue, Aug 29, 2023 at 07:07:57AM -0700, Richard Cochran wrote: > > The operation can be controlled via sysfs. See file > > Documentation/ABI/testing/sysfs-ptp for more details. > > No need for new sysfs hooks. Just add a ioctl that adds a filter to an open file. The filter can be a simple bit mask of say, 1024 bits. Thanks, Richard