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Mon, 20 Oct 2025 02:55:15 -0700 (PDT) Received: from localhost ([218.76.62.144]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-33d5dfc89d2sm7654264a91.23.2025.10.20.02.55.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Oct 2025 02:55:14 -0700 (PDT) From: zuoqian To: nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, zuoqian Subject: [RFC] net: macb: enable IPv6 support for TSO Date: Mon, 20 Oct 2025 09:55:08 +0000 Message-ID: <20251020095509.2204-1-zuoqian113@gmail.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" New Cadence GEM hardware support TSO for both ipv4 and IPv6 protocols, but the driver currently lacks the NETIF_F_TSO6 feature flag for IPv6 TSO. Signed-off-by: zuoqian --- drivers/net/ethernet/cadence/macb_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/etherne= t/cadence/macb_main.c index 214f543af3b8..a154c9f3c325 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -78,7 +78,7 @@ struct sifive_fu540_macb_mgmt { #define GEM_MAX_TX_LEN (unsigned int)(0x3FC0) =20 #define GEM_MTU_MIN_SIZE ETH_MIN_MTU -#define MACB_NETIF_LSO NETIF_F_TSO +#define MACB_NETIF_LSO (NETIF_F_TSO | NETIF_F_TSO6) =20 #define MACB_WOL_ENABLED BIT(0) =20 --=20 2.49.0