Patchwork [PATCHv6,10/11] tap: add API to retrieve vhost net header

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Submitter Michael S. Tsirkin
Date March 17, 2010, 11:08 a.m.
Message ID <5869ed18c6dc05740873ad6674c06a4169694ea4.1268823114.git.mst@redhat.com>
Download mbox | patch
Permalink /patch/47934/
State New
Headers show

Comments

Michael S. Tsirkin - March 17, 2010, 11:08 a.m.
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(-)

Patch

diff --git a/net/tap.c b/net/tap.c
index 19c4fa2..35c05d7 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -487,3 +487,10 @@  int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan
 
     return 0;
 }
+
+VHostNetState *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 */