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[2001:1c00:20d:1300:1b1c:4449:176a:89ea]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ae3f6ac5fd7sm219476366b.103.2025.07.04.12.12.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Jul 2025 12:12:08 -0700 (PDT) From: Eric Woudstra To: Pablo Neira Ayuso , Jozsef Kadlecsik , Nikolay Aleksandrov , Ido Schimmel , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: netfilter-devel@vger.kernel.org, bridge@lists.linux.dev, netdev@vger.kernel.org, Eric Woudstra Subject: [PATCH v13 nf-next 0/3] conntrack: bridge: add double vlan, pppoe and pppoe-in-q Date: Fri, 4 Jul 2025 21:11:32 +0200 Message-ID: <20250704191135.1815969-1-ericwouds@gmail.com> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Conntrack bridge only tracks untagged and 802.1q. To make the bridge-fastpath experience more similar to the forward-fastpath experience, add double vlan, pppoe and pppoe-in-q tagged packets to bridge conntrack and to bridge filter chain. Changes in v13: - Do not use pull/push before/after calling nf_conntrack_in() or nft_do_chain(). - Add patch to correct calculating checksum when skb->data != skb_network_header(skb). Changes in v12: - Only allow tracking this traffic when a conntrack zone is set. - nf_ct_bridge_pre(): skb pull/push without touching the checksum, because the pull is always restored with push. - nft_do_chain_bridge(): handle the extra header similar to nf_ct_bridge_pre(), using pull/push. Changes in v11: - nft_do_chain_bridge(): Proper readout of encapsulated proto. - nft_do_chain_bridge(): Use skb_set_network_header() instead of thoff. - removed test script, it is now in separate patch. v10 split from patch-set: bridge-fastpath and related improvements v9 Eric Woudstra (3): netfilter: utils: nf_checksum(_partial) correct data!=networkheader netfilter: bridge: Add conntrack double vlan and pppoe netfilter: nft_chain_filter: Add bridge double vlan and pppoe net/bridge/netfilter/nf_conntrack_bridge.c | 88 ++++++++++++++++++---- net/netfilter/nft_chain_filter.c | 52 ++++++++++++- net/netfilter/utils.c | 22 ++++-- 3 files changed, 139 insertions(+), 23 deletions(-) -- 2.47.1