From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Nd1A2-0004D4-Uf for qemu-devel@nongnu.org; Thu, 04 Feb 2010 07:50:18 -0500 Received: from [199.232.76.173] (port=55479 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Nd1A2-0004Cn-Hk for qemu-devel@nongnu.org; Thu, 04 Feb 2010 07:50:18 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1Nd1A1-00084m-6E for qemu-devel@nongnu.org; Thu, 04 Feb 2010 07:50:18 -0500 Received: from mx1.redhat.com ([209.132.183.28]:50440) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Nd1A0-00084d-Pv for qemu-devel@nongnu.org; Thu, 04 Feb 2010 07:50:17 -0500 Date: Thu, 4 Feb 2010 14:47:03 +0200 From: "Michael S. Tsirkin" Message-ID: <20100204124703.GL22559@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: [Qemu-devel] [PATCH 11/15] tap: add interface to get device fd List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori , qemu-devel@nongnu.org Will be used by vhost to attach/detach to backend. Signed-off-by: Michael S. Tsirkin --- 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