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[2001:1c00:20d:1300:1b1c:4449:176a:89ea]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ac7bfe9be67sm910393266b.46.2025.04.08.07.27.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Apr 2025 07:27:28 -0700 (PDT) From: Eric Woudstra To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Andrew Lunn , Jiri Pirko , Ivan Vecera , Nikolay Aleksandrov , Ido Schimmel , Pablo Neira Ayuso , Jozsef Kadlecsik , Matthias Brugger , AngeloGioacchino Del Regno Cc: netdev@vger.kernel.org, bridge@lists.linux.dev, netfilter-devel@vger.kernel.org, linux-mediatek@lists.infradead.org, Eric Woudstra Subject: [PATCH v11 nf-next 1/3] netfilter: nft_flow_offload: Add DEV_PATH_MTK_WDMA to nft_dev_path_info() Date: Tue, 8 Apr 2025 16:27:14 +0200 Message-ID: <20250408142716.95855-2-ericwouds@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250408142716.95855-1-ericwouds@gmail.com> References: <20250408142716.95855-1-ericwouds@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250408_072731_471011_0AD6B157 X-CRM114-Status: GOOD ( 12.83 ) 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. But we want to use it for flow between bridged interfaces. So this patch adds DEV_PATH_MTK_WDMA to nft_dev_path_info() and makes direct transmission possible. Reviewed-by: Nikolay Aleksandrov Signed-off-by: Eric Woudstra --- net/netfilter/nft_flow_offload.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c index 221d50223018..d84e677384da 100644 --- a/net/netfilter/nft_flow_offload.c +++ b/net/netfilter/nft_flow_offload.c @@ -106,6 +106,7 @@ 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: info->indev = path->dev; @@ -118,6 +119,10 @@ 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 and DEV_PATH_PPPOE */ if (info->num_encaps >= NF_FLOW_TABLE_ENCAP_MAX) { -- 2.47.1