will be used by virtio-net for vhost net support

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

---

 net/tap.c |    7 +++++++

 net/tap.h |    3 +++

 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/net/tap.c b/net/tap.c

index d9f2e41..166cf05 100644

--- a/net/tap.c

+++ b/net/tap.c

@@ -491,3 +491,10 @@ int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan

     return 0;

 }

+

+struct vhost_net *tap_get_vhost_net(VLANClientState *nc)

+{

+    TAPState *s = DO_UPCAST(TAPState, nc, nc);

+    assert(nc->info->type == NET_CLIENT_TYPE_TAP);

+    return s->vhost_net;

+}

diff --git a/net/tap.h b/net/tap.h

index a244b28..b8cec83 100644

--- a/net/tap.h

+++ b/net/tap.h

@@ -50,4 +50,7 @@ void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);

 int tap_get_fd(VLANClientState *vc);

+struct vhost_net;

+struct vhost_net *tap_get_vhost_net(VLANClientState *vc);

+

 #endif /* QEMU_NET_TAP_H */

-- 

1.6.6.144.g5c3af