netdev - [RFC PATCH net-next 01/11] net: geneve: enable vlan offloads

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Date:   Wed, 27 May 2020 14:25:02 -0700
From:   Edwin Peer <edwin.peer@...adcom.com>
To:     netdev@...r.kernel.org
Cc:     Edwin Peer <edwin.peer@...adcom.com>, edumazet@...gle.com,
        linville@...driver.com, shemminger@...tta.com,
        mirq-linux@...e.qmqm.pl, jesse.brandeburg@...el.com,
        jchapman@...alix.com, david@...ve.works, j.vosburgh@...il.com,
        vfalico@...il.com, andy@...yhouse.net, sridhar.samudrala@...el.com,
        jiri@...lanox.com, geoff@...radead.org, mokuno@...sony.co.jp,
        msink@...monline.ru, mporter@...nel.crashing.org,
        inaky.perez-gonzalez@...el.com, jwi@...ux.ibm.com,
        kgraul@...ux.ibm.com, ubraun@...ux.ibm.com,
        grant.likely@...retlab.ca, hadi@...erus.ca, dsahern@...nel.org,
        shrijeet@...il.com, jon.mason@...el.com, dave.jiang@...el.com,
        saeedm@...lanox.com, hadarh@...lanox.com, ogerlitz@...lanox.com,
        allenbh@...il.com, michael.chan@...adcom.com
Subject: [RFC PATCH net-next 01/11] net: geneve: enable vlan offloads

Support offloads for nested VLANs in the same fashion as is done for
VXLAN interfaces. In particular, this allows software GSO and checksum
offload to function when VLANs are encapsulated inside Geneve tunnels.

Signed-off-by: Edwin Peer <edwin.peer@...adcom.com>
---
 drivers/net/geneve.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 6b461be1820b..8d790cf85b21 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1137,6 +1137,8 @@ static void geneve_setup(struct net_device *dev)
 	dev->features    |= NETIF_F_RXCSUM;
 	dev->features    |= NETIF_F_GSO_SOFTWARE;
 
+	dev->vlan_features = dev->features;
+
 	dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
 	dev->hw_features |= NETIF_F_GSO_SOFTWARE;
 
-- 
2.26.2