diff mbox series

[iwl,next-queue,06/10] macvlan: Add function to test for destination filtering support

Message ID 20180403211624.7880.72399.stgit@ahduyck-green-test.jf.intel.com
State Awaiting Upstream, archived
Delegated to: David Miller
Headers show
Series Clean-up macvlan offloading | expand

Commit Message

Duyck, Alexander H April 3, 2018, 9:16 p.m. UTC
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.duyck@intel.com>
---
 include/linux/if_macvlan.h |    9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

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 */