From nobody Mon Dec 6 20:41:27 2021 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id A041C18D109B for ; Mon, 6 Dec 2021 20:41:32 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4J7FhX3D07z4tQd; Mon, 6 Dec 2021 20:41:32 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [IPv6:2a01:4f8:201:6350::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: lev/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 341E3FDBC; Mon, 6 Dec 2021 20:41:32 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [IPV6:2001:470:923f:1:5814:caef:e59:1326] (unknown [IPv6:2001:470:923f:1:5814:caef:e59:1326]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id 9F4B74321; Mon, 6 Dec 2021 23:41:28 +0300 (MSK) Message-ID: Date: Mon, 6 Dec 2021 23:41:27 +0300 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: Porting OpenBSD MPLS to FreeBSD Content-Language: en-US To: Lutz Donnerhacke , Neel Chauhan Cc: freebsd-net@FreeBSD.org References: <7de5f4bf0fdec027b5ae5d844a7cb0f5@FreeBSD.org> <20211119201637.GA3334@belenus.iks-jena.de> From: Lev Serebryakov Reply-To: lev@FreeBSD.org Organization: FreeBSD In-Reply-To: <20211119201637.GA3334@belenus.iks-jena.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1638823292; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lyd6msqx93G1n/Ymq1DwIT4BdZ5LHa6bReHBj0cwdPQ=; b=FNG9wvMcVHRgHjswsJ9bCVhSNodmyQJLFUNhL+tEZzL9Wn4nHL7nwxuvr4B1CNxq9j+9Gr HJsUPzLuEQB+qZp0YT8lGUJD3S1xaaUAse6K2BgOeY/hVVA0VM/icKH0E7yEFa8yD47BGu lBXRMPdrtDenPWBjBm1QwgRvBd6WeUovF6EDfkpB2y9gOG1V35s1UscHE4OLtEUWypRq+h 3uquOrXY9lXlsJZyTDVWbsYtHxQ4rG5JTl+pQvvyHSdEdLrV2HSTAaq5UlnjtRny1GX3y8 XjipwkrSvNJMj/ZvZoebAAX2XWFgwXQLQs0gK20o3G9DFnkkxBBM+Qk6jDipTw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1638823292; a=rsa-sha256; cv=none; b=eC14kq9xC7K0gTI8j7OZ50JG0y9OGvV9qNNIWvKiyTn56TSGwpGb0dsnQT9d6cBi9XWCKf 2m/RCzEgsfPDXu/PSj1v7FtgXm8T2007ktmDGRww1LfQb5buPDhjYuyW+nv+Ylc1vY+1Gq jOf6NHK9g3ysm3bKuaQ6KT/wP730xpcw3WbuvB2Sow4WuuG4UTZhnFZwj8esTE6LsELVfO wPuGPR0YDdLjz6SViK2sqfzKRtsJsLsx1AY5MoossDGxQkiS2It2/bRMpCLFcMdfh77BWE ij1L/9unYphRC9A2K5AFIUvo8Ke95gUoiYX0V2VrQnPKXsD6JJs6d8wxJlT2+g== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N On 19.11.2021 23:16, Lutz Donnerhacke wrote: >> * Is porting OpenBSD MPLS to FreeBSD feasible, or are we better off doing >> a from-scratch implementation based on netgraph? > > I'd prefer a netgraph approach, if possible. > It helps to concentrate on the important things. Isn't netgraph is very PPS-limited due to excessive logging? I thought, MPLS is carrier-grade stuff, and netgraph is very limited now. -- // Lev Serebryakov