From 16dbaf905b72636d1bb066968bceabd64eaa1a9d Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Wed, 30 Jan 2013 19:12:32 +0800 Subject: 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 Signed-off-by: Anthony Liguori --- include/net/tap.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/net') 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); -- cgit v1.1