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[5.12.227.87]) by smtp.gmail.com with ESMTPSA id n8sm1019587eju.33.2021.01.06.01.52.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Jan 2021 01:52:05 -0800 (PST) From: Vladimir Oltean To: Andrew Lunn , Vivien Didelot , Florian Fainelli , Jakub Kicinski , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bridge@lists.linux-foundation.org, Roopa Prabhu , Nikolay Aleksandrov , "David S. Miller" Cc: DENG Qingfang , Tobias Waldekranz , Marek Behun , Russell King - ARM Linux admin , Alexandra Winter , Jiri Pirko , Ido Schimmel , Claudiu Manoil , UNGLinuxDriver@microchip.com Subject: [PATCH v4 net-next 0/7] Offload software learnt bridge addresses to DSA Date: Wed, 6 Jan 2021 11:51:29 +0200 Message-Id: <20210106095136.224739-1-olteanv@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vladimir Oltean This series tries to make DSA behave a bit more sanely when bridged with "foreign" (non-DSA) interfaces and source address learning is not supported on the hardware CPU port (which would make things work more seamlessly without software intervention). When a station A connected to a DSA switch port needs to talk to another station B connected to a non-DSA port through the Linux bridge, DSA must explicitly add a route for station B towards its CPU port. Initial RFC was posted here: https://patchwork.ozlabs.org/project/netdev/cover/20201108131953.2462644-1-olteanv@gmail.com/ v2 was posted here: https://patchwork.kernel.org/project/netdevbpf/cover/20201213024018.772586-1-vladimir.oltean@nxp.com/ v3 was posted here: https://patchwork.kernel.org/project/netdevbpf/cover/20201213140710.1198050-1-vladimir.oltean@nxp.com/ This is a resend of the previous v3 with some added Reviewed-by tags. Vladimir Oltean (7): net: bridge: notify switchdev of disappearance of old FDB entry upon migration net: dsa: be louder when a non-legacy FDB operation fails net: dsa: don't use switchdev_notifier_fdb_info in dsa_switchdev_event_work net: dsa: move switchdev event implementation under the same switch/case statement net: dsa: exit early in dsa_slave_switchdev_event if we can't program the FDB net: dsa: listen for SWITCHDEV_{FDB,DEL}_ADD_TO_DEVICE on foreign bridge neighbors net: dsa: ocelot: request DSA to fix up lack of address learning on CPU port drivers/net/dsa/ocelot/felix.c | 1 + include/net/dsa.h | 5 + net/bridge/br_fdb.c | 1 + net/dsa/dsa_priv.h | 12 +++ net/dsa/slave.c | 174 +++++++++++++++++++++------------ 5 files changed, 130 insertions(+), 63 deletions(-) -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=wFYVdNCGZo254Md4m2v48sFF9I2fZhhCJRCbYo96ynw=; b=r2hEt3YhyZtRbtTbKEgM7AOCqI7maZ7J138o7yqh2U812EyJXex68bYOO1VKErnc7a TyfLHIvKIAN4jpLN8ISxdbLNv5IGt6zkxgcqC8Zfj+O0TPMTrjyfeYatRMLY3rPQnPV9 WHooaDbovRFSuCmtx1hbVe13OkZL+o8IkJwLi5v2X2etGgPp7z61ORFGyvkwknDoqaTy OZgvBQoXxLT2LhjIOllhwVtZBGj7ehBLwJ8dh0AJZzj2qqWbu/Aj5n6inx9EBArJQlW/ EWDrGYPKnqKaayDO+8Ke/iXzt1PnKp22uvAd/uQlcBfKvO1YD7AYlqDdKMdg+UHGP8JK 9zLg== From: Vladimir Oltean Date: Wed, 6 Jan 2021 11:51:29 +0200 Message-Id: <20210106095136.224739-1-olteanv@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Bridge] [PATCH v4 net-next 0/7] Offload software learnt bridge addresses to DSA List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andrew Lunn , Vivien Didelot , Florian Fainelli , Jakub Kicinski , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bridge@lists.linux-foundation.org, Roopa Prabhu , Nikolay Aleksandrov , "David S. Miller" Cc: Jiri Pirko , Alexandra Winter , Ido Schimmel , Russell King - ARM Linux admin , Marek Behun , DENG Qingfang , Claudiu Manoil , UNGLinuxDriver@microchip.com, Tobias Waldekranz From: Vladimir Oltean This series tries to make DSA behave a bit more sanely when bridged with "foreign" (non-DSA) interfaces and source address learning is not supported on the hardware CPU port (which would make things work more seamlessly without software intervention). When a station A connected to a DSA switch port needs to talk to another station B connected to a non-DSA port through the Linux bridge, DSA must explicitly add a route for station B towards its CPU port. Initial RFC was posted here: https://patchwork.ozlabs.org/project/netdev/cover/20201108131953.2462644-1-olteanv@gmail.com/ v2 was posted here: https://patchwork.kernel.org/project/netdevbpf/cover/20201213024018.772586-1-vladimir.oltean@nxp.com/ v3 was posted here: https://patchwork.kernel.org/project/netdevbpf/cover/20201213140710.1198050-1-vladimir.oltean@nxp.com/ This is a resend of the previous v3 with some added Reviewed-by tags. Vladimir Oltean (7): net: bridge: notify switchdev of disappearance of old FDB entry upon migration net: dsa: be louder when a non-legacy FDB operation fails net: dsa: don't use switchdev_notifier_fdb_info in dsa_switchdev_event_work net: dsa: move switchdev event implementation under the same switch/case statement net: dsa: exit early in dsa_slave_switchdev_event if we can't program the FDB net: dsa: listen for SWITCHDEV_{FDB,DEL}_ADD_TO_DEVICE on foreign bridge neighbors net: dsa: ocelot: request DSA to fix up lack of address learning on CPU port drivers/net/dsa/ocelot/felix.c | 1 + include/net/dsa.h | 5 + net/bridge/br_fdb.c | 1 + net/dsa/dsa_priv.h | 12 +++ net/dsa/slave.c | 174 +++++++++++++++++++++------------ 5 files changed, 130 insertions(+), 63 deletions(-) -- 2.25.1