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net: mvneta: Verify hardware checksum only when offload checksum feature is set 

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Yelena Krivosheev 2018-07-18 18:10:56 +02:00 committed by David S. Miller
parent 7e47fd84b5
commit f945cec88c
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/marvell/mvneta.c
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@ -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;