net: add tap_set_offload()

This API allows virtio-net to enable various offload features on a
tap interface - e.g. to tell the host kernel it can pass up partial
checksums to userspace.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/net.h b/net.h
index e0adc69660..c1bfdbe7cd 100644
--- a/net.h
+++ b/net.h
@@ -182,5 +182,6 @@ void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
 
 int tap_has_vnet_hdr(VLANClientState *vc);
 void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr);
+void tap_set_offload(VLANClientState *vc, int csum, int tso4, int tso6, int ecn);
 
 #endif