Need to set dev features, use same values that are used in GREv6.

Signed-off-by: Tom Herbert <t...@herbertland.com>
---
 net/ipv6/ip6_tunnel.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 74b35e4..cabf492 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1640,6 +1640,11 @@ static const struct net_device_ops ip6_tnl_netdev_ops = {
        .ndo_get_iflink = ip6_tnl_get_iflink,
 };
 
+#define IPXIPX_FEATURES (NETIF_F_SG |          \
+                        NETIF_F_FRAGLIST |     \
+                        NETIF_F_HIGHDMA |      \
+                        NETIF_F_GSO_SOFTWARE | \
+                        NETIF_F_HW_CSUM)
 
 /**
  * ip6_tnl_dev_setup - setup virtual tunnel device
@@ -1659,6 +1664,10 @@ static void ip6_tnl_dev_setup(struct net_device *dev)
        dev->addr_len = sizeof(struct in6_addr);
        dev->features |= NETIF_F_LLTX;
        netif_keep_dst(dev);
+
+       dev->features           |= IPXIPX_FEATURES;
+       dev->hw_features        |= IPXIPX_FEATURES;
+
        /* This perm addr will be used as interface identifier by IPv6 */
        dev->addr_assign_type = NET_ADDR_RANDOM;
        eth_random_addr(dev->perm_addr);
-- 
2.8.0.rc2

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