Added 2 additional offlloads for USO(IPv4 & IPv6).
Separate offloads are required for Windows VM guests,
g.e. Windows may set USO rx only for IPv4.

Signed-off-by: Andrew Melnychenko <[email protected]>
---
 include/uapi/linux/if_tun.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h
index 2ec07de1d73b..65b58fbec335 100644
--- a/include/uapi/linux/if_tun.h
+++ b/include/uapi/linux/if_tun.h
@@ -88,6 +88,8 @@
 #define TUN_F_TSO6     0x04    /* I can handle TSO for IPv6 packets */
 #define TUN_F_TSO_ECN  0x08    /* I can handle TSO with ECN bits. */
 #define TUN_F_UFO      0x10    /* I can handle UFO packets */
+#define TUN_F_USO4     0x20    /* I can handle USO for IPv4 packets */
+#define TUN_F_USO6     0x40    /* I can handle USO for IPv6 packets */
 
 /* Protocol info prepended to the packets (when IFF_NO_PI is not set) */
 #define TUN_PKT_STRIP  0x0001
-- 
2.37.2

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