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[2001:1c00:20d:1300:1b1c:4449:176a:89ea]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ac314a489c9sm411456766b.152.2025.03.15.13.02.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Mar 2025 13:02:01 -0700 (PDT) From: Eric Woudstra To: Jiri Pirko , Ivan Vecera , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Roopa Prabhu , Nikolay Aleksandrov , 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 v10 nf-next 1/3] netfilter: nft_flow_offload: Add DEV_PATH_MTK_WDMA to nft_dev_path_info() Date: Sat, 15 Mar 2025 21:01:45 +0100 Message-ID: <20250315200147.18016-2-ericwouds@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250315200147.18016-1-ericwouds@gmail.com> References: <20250315200147.18016-1-ericwouds@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250315_130204_564178_DCD3AB70 X-CRM114-Status: GOOD ( 11.87 ) 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 acfdf523bd3b..05786d856530 100644 --- a/net/netfilter/nft_flow_offload.c +++ b/net/netfilter/nft_flow_offload.c @@ -105,6 +105,7 @@ 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; @@ -117,6 +118,10 @@ 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) {