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Subject[PATCH net-next v2 6/7] net: mvneta: Verify hardware checksum only when offload checksum feature is set
Date
From: Yelena Krivosheev <yelena@marvell.com>

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 <yelena@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
---
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
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