Re: [PATCH net] macvlan: Fix performance issues with vlan tagged packets

2017-05-15 Thread David Miller
From: Vladislav Yasevich Date: Thu, 11 May 2017 11:09:52 -0400 > Macvlan always turns on offload features that have sofware > fallback (NETIF_GSO_SOFTWARE). This allows much higher guest-guest > communications over macvtap. > > However, macvtap does not turn on these features for vlan tagged tr

[PATCH net] macvlan: Fix performance issues with vlan tagged packets

2017-05-11 Thread Vladislav Yasevich
Macvlan always turns on offload features that have sofware fallback (NETIF_GSO_SOFTWARE). This allows much higher guest-guest communications over macvtap. However, macvtap does not turn on these features for vlan tagged traffic. As a result, depending on the HW that mactap is configured on, the p