From nobody Sat Mar 30 10:34:21 2024 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 4V6DDD2420z5FGXj for ; Sat, 30 Mar 2024 10:34:36 +0000 (UTC) (envelope-from benoitc@enki-multimedia.eu) Received: from mail-40136.proton.ch (mail-40136.proton.ch [185.70.40.136]) (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 "protonmail.com", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4V6DDB2FQHz4mKk for ; Sat, 30 Mar 2024 10:34:34 +0000 (UTC) (envelope-from benoitc@enki-multimedia.eu) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=enki-multimedia.eu header.s=protonmail2 header.b=KE3jBfxB; dmarc=pass (policy=none) header.from=enki-multimedia.eu; spf=pass (mx1.freebsd.org: domain of benoitc@enki-multimedia.eu designates 185.70.40.136 as permitted sender) smtp.mailfrom=benoitc@enki-multimedia.eu DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=enki-multimedia.eu; s=protonmail2; t=1711794870; x=1712054070; bh=NYU40RXcTbMSWAVLuoYfg9XH7YD99nzYlKWp+hY1lI8=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=KE3jBfxBIZsV/25WAXTIfBDcEUm4SQQ+U19wvLJLkKCAl6XGL6FdxbX29heTmAooC X8GJwax68R8G6sj10p6oxedm774MBb3KqlbLq1GibS8AOPM60srJgMiMg5zfTr9Azv sNMB827HX/kmQtrdqfO4DD2HqHLsEK7MqgetBl05bYuVk3P+ijX7ipIRPLk9TULMW0 Au8BrCMIrowwftVHNzzesarN/ZDaS6s9AJANoJ1aiRljl8JwYi4x1cI526D5kItchk 7q9cKSFfQziV+HDXm3HLUGeRXxh8PdNEVKYSB8p+9/MQRFDTiBeEISdiS8jzmyEvMh KDbQzoKKNdVrA== Date: Sat, 30 Mar 2024 10:34:21 +0000 To: Tom Jones From: Benoit Chesneau Cc: freebsd-net@freebsd.org Subject: Re: vnet with interfaces Message-ID: In-Reply-To: References: Feedback-ID: 9066678:user:proton 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 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.16 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.96)[-0.958]; DMARC_POLICY_ALLOW(-0.50)[enki-multimedia.eu,none]; R_SPF_ALLOW(-0.20)[+ip4:185.70.40.0/24]; R_DKIM_ALLOW(-0.20)[enki-multimedia.eu:s=protonmail2]; RWL_MAILSPIKE_VERYGOOD(-0.20)[185.70.40.136:from]; MIME_GOOD(-0.10)[text/plain]; ASN(0.00)[asn:62371, ipnet:185.70.40.0/24, country:CH]; ARC_NA(0.00)[]; MISSING_XM_UA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; FROM_HAS_DN(0.00)[]; RCVD_COUNT_ZERO(0.00)[0]; RCPT_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[enki-multimedia.eu:+] X-Rspamd-Queue-Id: 4V6DDB2FQHz4mKk Thanks for the link! the VIMAGE concept is such an interesting hack.. Beno=C3=AEt Chesneau, Enki Multimedia =E2=80=94 t. +33608655490=C2=A0 Sent with Proton Mail secure email. On Thursday, March 28th, 2024 at 10:17, Tom Jones wrote: >=20 > On Tue, Mar 26, 2024, at 18:31, Benoit Chesneau wrote: >=20 > > How does work VNET with interfaces? Is this as efficient as using pci > > passtrough in a vm ? >=20 >=20 > Overhead should be minimal, while the device is logically missing from th= e default vnet there isn't any more "in the way" for actual usage. Marco's = paper might be a good starting point for further digging: https://papers.fr= eebsd.org/2003/zec-vimage/ >=20 > Tom