Thread (9 messages) flat view 9 messages, 1 author, 2018-07-18
STALE2950d

Revision v3 of 2 in this series.

Revisions (2)
  1. v2 [diff vs current]
  2. v3 current

[PATCH net-next v3 7/8] net: mvneta: Verify hardware checksum only when offload checksum feature is set

From: Gregory CLEMENT <gregory.clement@bootlin.com>
Date: 2018-07-18 16:11:32
Also in: linux-arm-kernel, lkml
Subsystem: marvell mvneta ethernet driver, networking drivers, the rest · Maintainers: Marcin Wojtas, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Yelena Krivosheev <redacted>

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 <redacted>
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 6af583ef2af2..079b515c54c1 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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