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authorJason Wang <jasowang@redhat.com>2013-01-30 19:12:32 +0800
committerAnthony Liguori <aliguori@us.ibm.com>2013-02-01 11:03:02 -0600
commit16dbaf905b72636d1bb066968bceabd64eaa1a9d (patch)
treebe250670ab1dc6f35a705ca2ebbcd59c973eb486 /include/net
parent94fdc6d03034f594c53d5413590e23fcb7ffc268 (diff)
downloadhqemu-16dbaf905b72636d1bb066968bceabd64eaa1a9d.zip
hqemu-16dbaf905b72636d1bb066968bceabd64eaa1a9d.tar.gz
tap: support enabling or disabling a queue
This patch introduce a new bit - enabled in TAPState which tracks whether a specific queue/fd is enabled. The tap/fd is enabled during initialization and could be enabled/disabled by tap_enalbe() and tap_disable() which calls platform specific helpers to do the real work. Polling of a tap fd can only done when the tap was enabled. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/tap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/tap.h b/include/net/tap.h
index 883cebf..a994f20 100644
--- a/include/net/tap.h
+++ b/include/net/tap.h
@@ -35,6 +35,8 @@ int tap_has_vnet_hdr_len(NetClientState *nc, int len);
void tap_using_vnet_hdr(NetClientState *nc, bool using_vnet_hdr);
void tap_set_offload(NetClientState *nc, int csum, int tso4, int tso6, int ecn, int ufo);
void tap_set_vnet_hdr_len(NetClientState *nc, int len);
+int tap_enable(NetClientState *nc);
+int tap_disable(NetClientState *nc);
int tap_get_fd(NetClientState *nc);
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