From: Paul Barker <paul.barker.ct@bp.renesas.com>
Date: Tue, 15 Oct 2024 13:36:27 +0000 (+0100)
Subject: net: ravb: Drop IP protocol check from RX csum verification
X-Git-Tag: v6.13-rc1~135^2~286
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d2109c1a51525c3586c5bf6f78ab1ce3c2908f8;p=thirdparty%2Fkernel%2Flinux.git

net: ravb: Drop IP protocol check from RX csum verification

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@omp.ru>
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
---

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 43db69d03684e..4bc2532706c20 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;
 }