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Subject: [PATCH net-next v2 11/13] hv_netvsc: use new helper
 tcp_v6_gso_csum_prep
From:   Heiner Kallweit <hkallweit1@gmail.com>
To:     David Miller <davem@davemloft.net>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        Sasha Levin <sashal@kernel.org>
Cc:     "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-hyperv@vger.kernel.org
References: <fffc8b6d-68ed-7501-18f1-94cf548821fb@gmail.com>
Message-ID: <52eb76b1-5acd-9d88-1496-889504b60e92@gmail.com>
Date:   Tue, 18 Feb 2020 21:11:43 +0100
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Use new helper tcp_v6_gso_csum_prep in additional network drivers.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/net/hyperv/netvsc_drv.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 65e12cb07..5ee282b20 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -638,10 +638,7 @@ static int netvsc_xmit(struct sk_buff *skb, struct net_device *net, bool xdp_tx)
 		} else {
 			lso_info->lso_v2_transmit.ip_version =
 				NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6;
-			ipv6_hdr(skb)->payload_len = 0;
-			tcp_hdr(skb)->check =
-				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
-						 &ipv6_hdr(skb)->daddr, 0, IPPROTO_TCP, 0);
+			tcp_v6_gso_csum_prep(skb);
 		}
 		lso_info->lso_v2_transmit.tcp_header_offset = skb_transport_offset(skb);
 		lso_info->lso_v2_transmit.mss = skb_shinfo(skb)->gso_size;
-- 
2.25.1