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| author | Michael S. Tsirkin <mst@redhat.com> | 2010-03-17 13:07:50 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2010-04-01 13:56:43 -0500 |
| commit | 95d528a2fe9f1eaec11dc3256dc9dec49b557990 (patch) | |
| tree | 11c937b0f1f5e7810b82b8c00b626393be862f0c | |
| parent | 087431d1d1bf4e785edfa89e8cd05fcdac558dc3 (diff) | |
| download | focaccia-qemu-95d528a2fe9f1eaec11dc3256dc9dec49b557990.tar.gz focaccia-qemu-95d528a2fe9f1eaec11dc3256dc9dec49b557990.zip | |
tap: add interface to get device fd
Will be used by vhost to attach/detach to backend. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
| -rw-r--r-- | net/tap.c | 7 | ||||
| -rw-r--r-- | net/tap.h | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/net/tap.c b/net/tap.c index 672b0ee0b4..c19740b584 100644 --- a/net/tap.c +++ b/net/tap.c @@ -270,6 +270,13 @@ 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 538a562720..a244b28f82 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 */ |