[net-next PATCH v2 03/10] net: ravb: Drop IP protocol check from RX csum verification

From: Paul Barker
Date: Tue Oct 15 2024 - 09:39:23 EST


We do not need to confirm that the protocol is IPv4. If the hardware
encounters an unsupported protocol, it will set the checksum value to
0xFFFF.

Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
Signed-off-by: Paul Barker <paul.barker.ct@xxxxxxxxxxxxxx>
---
drivers/net/ethernet/renesas/ravb_main.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 43db69d03684..4bc2532706c2 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -781,8 +781,7 @@ static void ravb_rx_csum_gbeth(struct sk_buff *skb)
else
skb_trim(skb, skb->len - 2 * sizeof(__sum16));

- /* TODO: IPV6 Rx checksum */
- if (skb->protocol == htons(ETH_P_IP) && !csum_proto)
+ if (!csum_proto)
skb->ip_summed = CHECKSUM_UNNECESSARY;
}

--
2.43.0