linux-kernel - [PATCH 4.19 080/118] i40e: restore NETIF_F_GSO

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Message-Id: <20181126105104.873110907@linuxfoundation.org>
Date:   Mon, 26 Nov 2018 11:51:14 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jacob Keller <jacob.e.keller@...el.com>,
        Andrew Bowers <andrewx.bowers@...el.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 080/118] i40e: restore NETIF_F_GSO_IPXIP[46] to netdev features

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit ba766b8b99c30ad3c55ed8cf224d1185ecff1476 ]

Since commit bacd75cfac8a ("i40e/i40evf: Add capability exchange for
outer checksum", 2017-04-06) the i40e driver has not reported support
for IP-in-IP offloads. This likely occurred due to a bad rebase, as the
commit extracts hw_enc_features into its own variable. As part of this
change, it dropped the NETIF_F_FSO_IPXIP flags from the
netdev->hw_enc_features. This was unfortunately not caught during code
review.

Fix this by adding back the missing feature flags.

For reference, NETIF_F_GSO_IPXIP4 was added in commit 7e13318daa4a
("net: define gso types for IPx over IPv4 and IPv6", 2016-05-20),
replacing NETIF_F_GSO_IPIP and NETIF_F_GSO_SIT.

NETIF_F_GSO_IPXIP6 was added in commit bf2d1df39502 ("intel: Add support
for IPv6 IP-in-IP offload", 2016-05-20).

Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
Tested-by: Andrew Bowers <andrewx.bowers@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index ac685ad4d877..6eccfa82ca94 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -11926,6 +11926,8 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
 			  NETIF_F_GSO_GRE		|
 			  NETIF_F_GSO_GRE_CSUM		|
 			  NETIF_F_GSO_PARTIAL		|
+			  NETIF_F_GSO_IPXIP4		|
+			  NETIF_F_GSO_IPXIP6		|
 			  NETIF_F_GSO_UDP_TUNNEL	|
 			  NETIF_F_GSO_UDP_TUNNEL_CSUM	|
 			  NETIF_F_SCTP_CRC		|
-- 
2.17.1