net: move tap_probe_vnet_hdr() to tap-linux.c

Only Linux has support for IFF_VNET_HDR

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/tap.h b/net/tap.h
index 0d67c249cf..de729a79db 100644
--- a/net/tap.h
+++ b/net/tap.h
@@ -44,5 +44,6 @@ 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, int ufo);
 
 int tap_set_sndbuf(int fd, QemuOpts *opts);
+int tap_probe_vnet_hdr(int fd);
 
 #endif /* QEMU_NET_TAP_H */