tap: Add check for USO features

Tap indicates support for USO features according to
capabilities of current kernel module.

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Andrew Melnychecnko <andrew@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/net/net.c b/net/net.c
index 543e6dec43..b110e61f66 100644
--- a/net/net.c
+++ b/net/net.c
@@ -495,6 +495,15 @@ bool qemu_has_ufo(NetClientState *nc)
     return nc->info->has_ufo(nc);
 }
 
+bool qemu_has_uso(NetClientState *nc)
+{
+    if (!nc || !nc->info->has_uso) {
+        return false;
+    }
+
+    return nc->info->has_uso(nc);
+}
+
 bool qemu_has_vnet_hdr(NetClientState *nc)
 {
     if (!nc || !nc->info->has_vnet_hdr) {