qemu/qemu-tap-add-interface-to-g...

40 lines
991 B
Diff

Will be used by vhost to attach/detach to backend.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
net/tap.c | 7 +++++++
net/tap.h | 2 ++
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/net/tap.c b/net/tap.c
index d3492de..7e9ca79 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -269,6 +269,13 @@ static void tap_poll(VLANClientState *nc, bool enable)
tap_write_poll(s, enable);
}
+int tap_get_fd(VLANClientState *nc)
+{
+ TAPState *s = DO_UPCAST(TAPState, nc, nc);
+ assert(nc->info->type == NET_CLIENT_TYPE_TAP);
+ return s->fd;
+}
+
/* fd support */
static NetClientInfo net_tap_info = {
diff --git a/net/tap.h b/net/tap.h
index 538a562..a244b28 100644
--- a/net/tap.h
+++ b/net/tap.h
@@ -48,4 +48,6 @@ int tap_probe_vnet_hdr(int fd);
int tap_probe_has_ufo(int fd);
void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
+int tap_get_fd(VLANClientState *vc);
+
#endif /* QEMU_NET_TAP_H */
--
1.6.6.144.g5c3af