From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CF918ECAAD4 for ; Mon, 29 Aug 2022 12:06:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ZzNVlc1UI/dvbxd61vWi3Qt+C5vxXyTg3K+pdt6tBKY=; b=a+WaIsFlqHI8YwK4xxPwmJjTt+ EFfScSSTvDXK5/Ri/Ia4L90fIrwq6OQHqZ4DNOAGThbMW727vdtaAMlNDn0I9V54dypLiGSBufLr3 JP7N+LWLPZVt8HtPDKenFxXX97ioXJyV/MuoyatyUZO1SPJB/rVHsLr5r3xPHGU+x+IUIQiqJ31+e UgFrFCD/9OvRf53pWatyPBU7hLjjgdmK6sk0GuEqlXjmoGeCW7GyVzu4dO+MO7lfvxmiS7CLbZWKA 13vgmSGEuM0urC9mn040YsT9Cvq3QyiOSjfKcq+htELySs7unpgNiETOUOXKVS+Ni6Q6NoYZoMsff 2GbRkawg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oSdVo-008d3S-Ku; Mon, 29 Aug 2022 12:05:04 +0000 Received: from mailout-taastrup.gigahost.dk ([46.183.139.199]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oSdVW-008cpP-9A; Mon, 29 Aug 2022 12:04:55 +0000 Received: from mailout.gigahost.dk (mailout.gigahost.dk [89.186.169.112]) by mailout-taastrup.gigahost.dk (Postfix) with ESMTP id 0D4FD1884A19; Mon, 29 Aug 2022 12:04:43 +0000 (UTC) Received: from smtp.gigahost.dk (smtp.gigahost.dk [89.186.169.109]) by mailout.gigahost.dk (Postfix) with ESMTP id F05AD25032B8; Mon, 29 Aug 2022 12:04:42 +0000 (UTC) Received: by smtp.gigahost.dk (Postfix, from userid 1000) id E3B269EC000C; Mon, 29 Aug 2022 12:04:42 +0000 (UTC) X-Screener-Id: 413d8c6ce5bf6eab4824d0abaab02863e8e3f662 MIME-Version: 1.0 Date: Mon, 29 Aug 2022 14:04:42 +0200 From: netdev@kapio-technology.com To: Ido Schimmel Cc: davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, Florian Fainelli , Andrew Lunn , Vivien Didelot , Vladimir Oltean , Eric Dumazet , Paolo Abeni , Kurt Kanzenbach , Hauke Mehrtens , Woojung Huh , UNGLinuxDriver@microchip.com, Sean Wang , Landen Chao , DENG Qingfang , Matthias Brugger , Claudiu Manoil , Alexandre Belloni , Jiri Pirko , Ivan Vecera , Roopa Prabhu , Nikolay Aleksandrov , Shuah Khan , Christian Marangi , Daniel Borkmann , Yuwei Wang , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, bridge@lists.linux-foundation.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v5 net-next 6/6] selftests: forwarding: add test of MAC-Auth Bypass to locked port tests In-Reply-To: References: <20220826114538.705433-1-netdev@kapio-technology.com> <20220826114538.705433-7-netdev@kapio-technology.com> <7654860e4d7d43c15d482c6caeb6a773@kapio-technology.com> <2967ccc234bb672f5440a4b175b73768@kapio-technology.com> User-Agent: Gigahost Webmail Message-ID: <9e1a9eb218bbaa0d36cb98ff5d4b97d7@kapio-technology.com> X-Sender: netdev@kapio-technology.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220829_050451_579762_428FE2BA X-CRM114-Status: GOOD ( 24.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2022-08-29 13:32, Ido Schimmel wrote: >> The final decision on this rests with you I would say. > > If the requirement for this feature (with or without MAB) is to work > with dynamic entries (which is not what is currently implemented in the > selftests), then learning needs to be enabled for the sole reason of > refreshing the dynamic entries added by user space. That is, updating > 'fdb->updated' with current jiffies value. > > So, is this the requirement? I checked the hostapd fork you posted some > time ago and I get the impression that the answer is yes [1], but I > want > to verify I'm not missing something. > > [1] > https://github.com/westermo/hostapd/commit/95dc96f9e89131b2319f5eae8ae7ac99868b7cd0#diff-338b6fad34b4bdb015d7d96930974bd96796b754257473b6c91527789656d6edR11 > > I cannot say that it is a requirement with respect to the bridge implementation, but it is with the driver implementation. But you are right that it is to be used with dynamic entries. >> > # ip link set dev swp1 up >> > # ip link set dev swp2 up >> > # ip link set dev br0 up >> > >> > 2. Assuming h1 behind swp1 was authorized using 802.1X: >> > >> > # bridge fdb replace $H1_MAC dev swp1 master dynamic >> >> With the new MAB flag 'replace' is not needed when MAB is not enabled. > > Yes, but replace works in both cases. > Yes, of course. >> >> > >> > 3. Assuming 802.1X authentication failed for h2 behind swp2, enable MAB: >> > >> > # bridge link set dev swp2 mab on >> > >> > 4. Assuming $H2_MAC is in our allow list: >> > >> > # bridge fdb replace $H2_MAC dev swp2 master dynamic >> > >> > Learning is on in order to refresh the dynamic entries that user space >> > installed. >> >> Yes, port association is needed for those reasons. :-) > > Given that the current tests use "static" entries that cannot age, is > there a reason to have "learning on"? > Port association is needed for MAB to work at all on mv88e6xxx, but for 802.1X port association is only needed for dynamic ATU entries. >> >> > >> > (*) Need to add support for this option in iproute2. Already exposed >> > over netlink (see 'IFLA_BR_MULTI_BOOLOPT'). >> >> Should I do that in this patch set? > > No, I'm saying that this option is already exposed over netlink, but > missing iproute2 support. No kernel changes needed. Oh yes, I meant in the iproute2 accompanying patch set to this one? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel