netdev - [PATCH net-next] macvlan: add offload features for encapsulation

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Message-Id: <20170816213446.10584-1-dmichail@google.com>
Date:   Wed, 16 Aug 2017 14:34:46 -0700
From:   Dimitris Michailidis <dmichail@...gle.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org
Subject: [PATCH net-next] macvlan: add offload features for encapsulation

Currently macvlan devices do not set their hw_enc_features making
encapsulated Tx packets resort to SW fallbacks. Add encapsulation GSO
offloads to ->features as is done for the other GSOs and set
->hw_enc_features.

Signed-off-by: Dimitris Michailidis <dmichail@...gle.com>
---
 drivers/net/macvlan.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index ca35c6ba7947..d2aea961e0f4 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -835,7 +835,7 @@ static struct lock_class_key macvlan_netdev_addr_lock_key;
 
 #define ALWAYS_ON_OFFLOADS \
 	(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE | \
-	 NETIF_F_GSO_ROBUST)
+	 NETIF_F_GSO_ROBUST | NETIF_F_GSO_ENCAP_ALL)
 
 #define ALWAYS_ON_FEATURES (ALWAYS_ON_OFFLOADS | NETIF_F_LLTX)
 
@@ -874,6 +874,7 @@ static int macvlan_init(struct net_device *dev)
 	dev->hw_features	|= NETIF_F_LRO;
 	dev->vlan_features	= lowerdev->vlan_features & MACVLAN_FEATURES;
 	dev->vlan_features	|= ALWAYS_ON_OFFLOADS;
+	dev->hw_enc_features    |= dev->features;
 	dev->gso_max_size	= lowerdev->gso_max_size;
 	dev->gso_max_segs	= lowerdev->gso_max_segs;
 	dev->hard_header_len	= lowerdev->hard_header_len;
-- 
2.14.1.480.gb18f417b89-goog