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[PATCHv2,11/12] tap: add API to retrieve vhost net header

Message ID 1ee20179661f1da6b0cc5bdcd74955bd5b28aead.1267122331.git.mst@redhat.com
State New
Headers show

Commit Message

Michael S. Tsirkin Feb. 25, 2010, 6:28 p.m. UTC 
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(-)
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Patch

diff --git a/net/tap.c b/net/tap.c
index 65797ef..9bb11fc 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 */