From owner-freebsd-net@freebsd.org Fri Apr 8 21:51:55 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 03E16B084C7 for ; Fri, 8 Apr 2016 21:51:55 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-vk0-x22e.google.com (mail-vk0-x22e.google.com [IPv6:2607:f8b0:400c:c05::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B9D42130C for ; Fri, 8 Apr 2016 21:51:54 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: by mail-vk0-x22e.google.com with SMTP id e185so153739760vkb.1 for ; Fri, 08 Apr 2016 14:51:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to; bh=QK6BGlol9FEz42i37znCiLSZBGAS40DXeemWczbTrH8=; b=TRijVwsZgdjaco/i/1GMgw67zYP3kF30aYTUX2NHX0LzBLJm40y6eNpi62ewyTbL4z 1qUpaOFeYhKrkYa0evhRABhlv3okXJiCh6+4vusWDx9xwIBdlj4q6xSqSNAwhrJQ4Gl1 ST3QV0173/i4XkyNcfy/gvteIrqCPndLGxuaJCNYBqtUZzhafag7UsqxZNo6RK2RrMBt lCU7p3TcEk5oqSxrUC44SP1HpQ0RerA+rkBaZLbgr8xCjurf4EbSw0v9eV+l2aZs/sM4 YIQKs1gAnRVfpgqHrm0ERsOBCktO4uT+X1i1PJ7vEjnHsHEHb1EWJsISEtqM1k4JiGV7 UPCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=QK6BGlol9FEz42i37znCiLSZBGAS40DXeemWczbTrH8=; b=YJ/ykqx4kLi3FQ2P3FFvAmSVOawS2QOxq5o8/DamjuCUaod7xSZ2NgoKPYJiLhUIyw /udEdNDIQSAUqJFypm3XSNe+eX+OeACkGqJ/BacQba3EtyvB36bAlPeiN/uXb41c8nil b68AecdPQ2rFTWqsz4jAofAgAm204FomVgl+QHsseZ3RCKPeuTOdXLt3JhguoMwK7lmF APSDBnFlYZ5hSA6c+96p6BVRzmOIditlGBaqNoVde3VDA+hzC8LgpUovJOnil/NYmjgH IPOFvpJcrvZXGYJGiK3cjn4/6X/86/TyeW5ahBvHlcxT7Uvf65ds0plfXfbxprKfDN43 eQMg== X-Gm-Message-State: AD7BkJK7P9ewduEsE3AGsENvpd4zT9/VQcmT0kMI7f3wovOxQAxjBlxrhgqEhVZAtCUhk7CDKMlIbmuibIEpHw== MIME-Version: 1.0 X-Received: by 10.176.64.167 with SMTP id i36mr5467186uad.120.1460152313868; Fri, 08 Apr 2016 14:51:53 -0700 (PDT) Received: by 10.31.171.206 with HTTP; Fri, 8 Apr 2016 14:51:53 -0700 (PDT) Date: Fri, 8 Apr 2016 14:51:53 -0700 Message-ID: Subject: Question on sysctl tree handling From: Jack Vogel To: FreeBSD Net Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Apr 2016 21:51:55 -0000 I have a driver design where the queue/ring/irq layout is done in init rather than in attach, allowing easy reconfiguration. What I'm not sure about is how to handle the sysctl tree during a reinit, I don't see a procedure to free up things so I can restructure :( Am I missing something, any pointers or suggestions appreciated. Thanks, Jack