[net-next PATCH 03/11] net: ravb: Drop IP protocol check from RX csum verification

Paul Barker
2024-09-30T16:09:27Z

From: Paul Barker <paul.barker.ct@bp.renesas.com>

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.

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
---
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 f1b487152555..f3913c164161 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