From owner-freebsd-net@freebsd.org Thu Oct 11 09:44:00 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5677110B3E46 for ; Thu, 11 Oct 2018 09:44:00 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward102o.mail.yandex.net (forward102o.mail.yandex.net [IPv6:2a02:6b8:0:1a2d::602]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "forwards.mail.yandex.net", Issuer "Yandex CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C827390B8B for ; Thu, 11 Oct 2018 09:43:59 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from mxback10g.mail.yandex.net (mxback10g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:171]) by forward102o.mail.yandex.net (Yandex) with ESMTP id 6DC3D5A05B37; Thu, 11 Oct 2018 12:42:34 +0300 (MSK) Received: from smtp1j.mail.yandex.net (smtp1j.mail.yandex.net [2a02:6b8:0:801::ab]) by mxback10g.mail.yandex.net (nwsmtp/Yandex) with ESMTP id mCxXM2c7dS-gXLWTDF2; Thu, 11 Oct 2018 12:42:34 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1539250954; bh=Vmd82BpNmts/v7m7ANCu8DRe2owbSk2NQRxrYxvN4Do=; h=Subject:To:References:From:Message-ID:Date:In-Reply-To; b=UcaA+FGnpBS6m7EAJzdIhsJjmNVmf7mPePa5IuVE3erKrY9F9hBTZkTh1lfe4ugCa pUsO/Dh4kPYgODx/1zwDkCavrEP6nQxOcfPjWH7lDX/gY27Mk2xDXMnvtPI2UQEbry 9Kcg/iSYIAVYah8HMFGCwBeulKKdniMTclz8NyoQ= Received: by smtp1j.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id jEVbcc3mAR-gWEGipaW; Thu, 11 Oct 2018 12:42:32 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1539250952; bh=Vmd82BpNmts/v7m7ANCu8DRe2owbSk2NQRxrYxvN4Do=; h=Subject:To:References:From:Message-ID:Date:In-Reply-To; b=jxJuWeuGNmZA93qYsQKJ+iKQ4nFayTdgKl+/7NDQDxir5xMTfZBfm7DBT4DxynmoM SoVBeSQGQ7jjrQPaarDUkpTehIg6pVhXPKrPxiPHEvNhoXVxKWlkyFnKCOWJpg+kjb lFyPlYo/LNrayJen8sYhdQjyNGqTXqQ2MenuqtYo= Authentication-Results: smtp1j.mail.yandex.net; dkim=pass header.i=@yandex.ru Subject: Re: Patching ng_iface to allow setting the MTU via netgraph API To: Andreas Kempe , freebsd-net@freebsd.org References: <33666112-c7e1-df6c-dfd5-22de0c1166fa@lysator.liu.se> From: "Andrey V. Elsukov" Openpgp: id=E6591E1B41DA1516F0C9BC0001C5EA0410C8A17A Autocrypt: addr=bu7cher@yandex.ru; prefer-encrypt=mutual; keydata= xsBNBEwBF1kBCADB9sXFhBEUy8qQ4X63Y8eBatYMHGEFWN9ypS5lI3RE6qQW2EYbxNk7qUC5 21YIIS1mMFVBEfvR7J9uc7yaYgFCEb6Sce1RSO4ULN2mRKGHP3/Sl0ijZEjWHV91hY1YTHEF ZW/0GYinDf56sYpDDehaBF5wkWIo1+QK5nmj3vl0DIDCMNd7QEiWpyLVwECgLX2eOAXByT8B bCqVhJGcG6iFP7/B9Ll6uX5gb8thM9LM+ibwErDBVDGiOgvfxqidab7fdkh893IBCXa82H9N CNwnEtcgzh+BSKK5BgvPohFMgRwjti37TSxwLu63QejRGbZWSz3OK3jMOoF63tCgn7FvABEB AAHNIkFuZHJleSBWLiBFbHN1a292IDxhZUBmcmVlYnNkLm9yZz7CwHsEEwECACUCGwMGCwkI BwMCBhUIAgkKCwQWAgMBAh4BAheABQJMB/ruAhkBAAoJEAHF6gQQyKF6MLwH/3Ri/TZl9uo0 SepYWXOnxL6EaDVXDA+dLb1eLKC4PRBBjX29ttQ0KaWapiE6y5/AfzOPmRtHLrHYHjd/aiHX GMLHcYRXD+5GvdkK8iMALrZ28X0JXyuuZa8rAxWIWmCbYHNSBy2unqWgTI04Erodk90IALgM 9JeHN9sFqTM6zalrMnTzlcmel4kcjT3lyYw3vOKgoYLtsLhKZSbJoVVVlvRlGBpHFJI5AoYJ SyfXoN0rcX6k9X7Isp2K50YjqxV4v78xluh1puhwZyC0p8IShPrmrp9Oy9JkMX90o6UAXdGU KfdExJuGJfUZOFBTtNIMNIAKfMTjhpRhxONIr0emxxDOwE0ETAEXWQEIAJ2p6l9LBoqdH/0J PEFDY2t2gTvAuzz+8zs3R03dFuHcNbOwjvWCG0aOmVpAzkRa8egn5JB4sZaFUtKPYJEQ1Iu+ LUBwgvtXf4vWpzC67zs2dDuiW4LamH5p6xkTD61aHR7mCB3bg2TUjrDWn2Jt44cvoYxj3dz4 S49U1rc9ZPgD5axCNv45j72tggWlZvpefThP7xT1OlNTUqye2gAwQravXpZkl5JG4eOqJVIU X316iE3qso0iXRUtO7OseBf0PiVmk+wCahdreHOeOxK5jMhYkPKVn7z1sZiB7W2H2TojbmcK HZC22sz7Z/H36Lhg1+/RCnGzdEcjGc8oFHXHCxUAEQEAAcLAXwQYAQIACQUCTAEXWQIbDAAK CRABxeoEEMihegkYCAC3ivGYNe2taNm/4Nx5GPdzuaAJGKWksV+w9mo7dQvU+NmI2az5w8vw 98OmX7G0OV9snxMW+6cyNqBrVFTu33VVNzz9pnqNCHxGvj5dL5ltP160JV2zw2bUwJBYsgYQ WfyJJIM7l3gv5ZS3DGqaGIm9gOK1ANxfrR5PgPzvI9VxDhlr2juEVMZYAqPLEJe+SSxbwLoz BcFCNdDAyXcaAzXsx/E02YWm1hIWNRxanAe7Vlg7OL+gvLpdtrYCMg28PNqKNyrQ87LQ49O9 50IIZDOtNFeR0FGucjcLPdS9PiEqCoH7/waJxWp6ydJ+g4OYRBYNM0EmMgy1N85JJrV1mi5i Message-ID: <2f2c70df-c8fc-6fd7-ec9b-04e6c217ae72@yandex.ru> Date: Thu, 11 Oct 2018 12:40:59 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <33666112-c7e1-df6c-dfd5-22de0c1166fa@lysator.liu.se> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Oct 2018 09:44:00 -0000 On 10.10.2018 22:43, Andreas Kempe wrote: > Hello! > > I am working on a meshnet concept and am using netgraph to put it right > on top of the MAC layer. I am using ng_iface to do some tunneling of IP > over my protocol and I thought it would be nice to be able to set the > MTU of the created interface using the netgraph interface. > > I created a patch to do just that and thought I could share it if > someone would find it worthwhile using for something, but I couldn't > really figure out where to share it. I couldn't really get clarity from > the contribution section in the handbook. > > If someone could point me in the right direction, it would be > appreciated. I'll attach the patch to this mail as well since it is a > quite small one. Hi, take a look at this review https://reviews.freebsd.org/D17180 You can use the same way. -- WBR, Andrey V. Elsukov