This patch adds a function indicating if a given macvlan can fully supports destination filtering, especially as it relates to unicast traffic. For those macvlan interfaces that do not support destination filtering such passthru or source mode filtering we should not be enabling offload support.
Signed-off-by: Alexander Duyck <alexander.h.du...@intel.com> --- include/linux/if_macvlan.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h index 80089d6..0221390 100644 --- a/include/linux/if_macvlan.h +++ b/include/linux/if_macvlan.h @@ -88,4 +88,13 @@ static inline void *macvlan_accel_priv(struct net_device *dev) return macvlan->accel_priv; } + +static inline bool macvlan_supports_dest_filter(struct net_device *dev) +{ + struct macvlan_dev *macvlan = netdev_priv(dev); + + return macvlan->mode == MACVLAN_MODE_PRIVATE || + macvlan->mode == MACVLAN_MODE_VEPA || + macvlan->mode == MACVLAN_MODE_BRIDGE; +} #endif /* _LINUX_IF_MACVLAN_H */