netdev - [PATCH net-next v2 06/13] e1000(e): use new helper tcp_v6_gso_csum

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Date:   Tue, 18 Feb 2020 21:05:02 +0100
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     David Miller <davem@...emloft.net>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        intel-wired-lan <intel-wired-lan@...ts.osuosl.org>
Subject: [PATCH net-next v2 06/13] e1000(e): use new helper
 tcp_v6_gso_csum_prep

Use new helper tcp_v6_gso_csum_prep in additional network drivers.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
Reviewed-by: Alexander Duyck <alexander.h.duyck@...ux.intel.com>
---
 drivers/net/ethernet/intel/e1000/e1000_main.c | 6 +-----
 drivers/net/ethernet/intel/e1000e/netdev.c    | 5 +----
 2 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 2bced34c1..f7103356e 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -2715,11 +2715,7 @@ static int e1000_tso(struct e1000_adapter *adapter,
 			cmd_length = E1000_TXD_CMD_IP;
 			ipcse = skb_transport_offset(skb) - 1;
 		} else if (skb_is_gso_v6(skb)) {
-			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);
 			ipcse = 0;
 		}
 		ipcss = skb_network_offset(skb);
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 0f02c7a5e..74379d2e9 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -5461,10 +5461,7 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb,
 		cmd_length = E1000_TXD_CMD_IP;
 		ipcse = skb_transport_offset(skb) - 1;
 	} else if (skb_is_gso_v6(skb)) {
-		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);
 		ipcse = 0;
 	}
 	ipcss = skb_network_offset(skb);
-- 
2.25.1