From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregory.clement@bootlin.com (Gregory CLEMENT) Date: Fri, 13 Jul 2018 18:18:40 +0200 Subject: [PATCH net-next v2 6/7] net: mvneta: Verify hardware checksum only when offload checksum feature is set In-Reply-To: <20180713161841.11202-1-gregory.clement@bootlin.com> References: <20180713161841.11202-1-gregory.clement@bootlin.com> Message-ID: <20180713161841.11202-7-gregory.clement@bootlin.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Yelena Krivosheev If the checksum offload feature is not set, then there is no point to check the status of the hardware. [gregory: extract from a larger patch] Signed-off-by: Yelena Krivosheev Signed-off-by: Gregory CLEMENT --- drivers/net/ethernet/marvell/mvneta.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index c203ea061ab9..fdd4c9ecea04 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1720,7 +1720,8 @@ static void mvneta_rx_error(struct mvneta_port *pp, static void mvneta_rx_csum(struct mvneta_port *pp, u32 status, struct sk_buff *skb) { - if ((status & MVNETA_RXD_L3_IP4) && + if ((pp->dev->features & NETIF_F_RXCSUM) && + (status & MVNETA_RXD_L3_IP4) && (status & MVNETA_RXD_L4_CSUM_OK)) { skb->csum = 0; skb->ip_summed = CHECKSUM_UNNECESSARY; -- 2.18.0