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authorDavide Caratti <dcaratti@redhat.com>2018-10-03 15:20:58 +0200
committerDavid S. Miller <davem@davemloft.net>2018-10-05 00:59:21 -0700
commit2d52527e80c2dc0c5f43f50adf183781262ec565 (patch)
tree9236400b15184a6d52116da13cdcd0dec1cda418 /drivers/staging/Makefile
parent9d2f67e43b73e8af7438be219b66a5de0cfa8bd9 (diff)
be2net: don't flip hw_features when VXLANs are added/deleted
the be2net implementation of .ndo_tunnel_{add,del}() changes the value of NETIF_F_GSO_UDP_TUNNEL bit in 'features' and 'hw_features', but it forgets to call netdev_features_change(). Moreover, ethtool setting for that bit can potentially be reverted after a tunnel is added or removed. GSO already does software segmentation when 'hw_enc_features' is 0, even if VXLAN offload is turned on. In addition, commit 096de2f83ebc ("benet: stricter vxlan offloading check in be_features_check") avoids hardware segmentation of non-VXLAN tunneled packets, or VXLAN packets having wrong destination port. So, it's safe to avoid flipping the above feature on addition/deletion of VXLAN tunnels. Fixes: 630f4b70567f ("be2net: Export tunnel offloads only when a VxLAN tunnel is created") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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