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net: vlan: pass thru all GSO_SOFTWARE in hw_enc_features 

Currently UDP tunnel devices on top of VLANs lose the ability
to offload UDP GSO. Widen the pass thru features from TSO
to all GSO_SOFTWARE.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2021-06-17 21:55:56 -07:00 committed by David S. Miller
parent 68277749a0
commit 9d72b8da9f
1 changed files with 2 additions and 1 deletions
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net/8021q/vlan.h
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@ -108,7 +108,8 @@ static inline netdev_features_t vlan_tnl_features(struct net_device *real_dev)
netdev_features_t ret;
ret = real_dev->hw_enc_features &
(NETIF_F_CSUM_MASK | NETIF_F_ALL_TSO | NETIF_F_GSO_ENCAP_ALL);
(NETIF_F_CSUM_MASK | NETIF_F_GSO_SOFTWARE |
NETIF_F_GSO_ENCAP_ALL);
if ((ret & NETIF_F_GSO_ENCAP_ALL) && (ret & NETIF_F_CSUM_MASK))
return (ret & ~NETIF_F_CSUM_MASK) | NETIF_F_HW_CSUM;