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Tue, 17 Mar 2026 03:15:39 -0700 (PDT) Received: from eric (2001-1c00-020d-1300-1b1c-4449-176a-89ea.cable.dynamic.v6.ziggo.nl. [2001:1c00:20d:1300:1b1c:4449:176a:89ea]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9781914f96sm656674666b.47.2026.03.17.03.15.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Mar 2026 03:15:39 -0700 (PDT) From: Eric Woudstra To: Pablo Neira Ayuso , Florian Westphal , Phil Sutter , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Matthias Brugger , AngeloGioacchino Del Regno Cc: netfilter-devel@vger.kernel.org, netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, Eric Woudstra , Nikolay Aleksandrov Subject: [PATCH v12 nf-next] netfilter: nft_flow_offload: Add DEV_PATH_MTK_WDMA to nft_dev_path_info() Date: Tue, 17 Mar 2026 11:15:25 +0100 Message-ID: <20260317101525.358016-1-ericwouds@gmail.com> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260317_101542_097848_DCA39033 X-CRM114-Status: GOOD ( 12.10 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org In case of using mediatek wireless, in nft_dev_fill_forward_path(), the forward path is filled, ending with mediatek wlan1. Because DEV_PATH_MTK_WDMA is unknown inside nft_dev_path_info() it returns with info.indev = NULL. Then nft_dev_forward_path() returns without setting the direct transmit parameters. This results in a neighbor transmit, and direct transmit not possible. So this patch adds DEV_PATH_MTK_WDMA to nft_dev_path_info() and makes direct transmission possible. (Also needed for flow between bridged interfaces, maybe implemented later.) Reviewed-by: Nikolay Aleksandrov [ Rebased; moved to nf_flow_table_path.c ] Signed-off-by: Eric Woudstra --- Changes in v12: -Split from [PATCH v11 nf-next] netfilter: fastpath fixes Changes in v11: (results of testing with bridge_fastpath.sh) - Dropped "No ingress_vlan forward info for dsa user port" patch. - Added Introduce DEV_PATH_BR_VLAN_KEEP_HW, which changed from applying only in the bridge-fastpath to all fastpaths. Added a better explanation to the description. Changes in v10: - Split from patch-set: bridge-fastpath and related improvements v9 net/netfilter/nf_flow_table_path.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/netfilter/nf_flow_table_path.c b/net/netfilter/nf_flow_table_path.c index 6bb9579dcc2a..f2d7822824bc 100644 --- a/net/netfilter/nf_flow_table_path.c +++ b/net/netfilter/nf_flow_table_path.c @@ -103,6 +103,7 @@ static void nft_dev_path_info(const struct net_device_path_stack *stack, switch (path->type) { case DEV_PATH_ETHERNET: case DEV_PATH_DSA: + case DEV_PATH_MTK_WDMA: case DEV_PATH_VLAN: case DEV_PATH_PPPOE: case DEV_PATH_TUN: @@ -116,6 +117,10 @@ static void nft_dev_path_info(const struct net_device_path_stack *stack, i = stack->num_paths; break; } + if (path->type == DEV_PATH_MTK_WDMA) { + i = stack->num_paths; + break; + } /* DEV_PATH_VLAN, DEV_PATH_PPPOE and DEV_PATH_TUN */ if (path->type == DEV_PATH_TUN) { -- 2.53.0