From c0def9e3f55c1c79a9c5d952979e5ec16895b35b Mon Sep 17 00:00:00 2001 From: Michael S. Tsirkin Date: Wed, 3 Mar 2010 19:57:58 -0300 Subject: [PATCH 02/17] tap: add interface to get device fd RH-Author: Michael S. Tsirkin Message-id: Patchwork-id: 7477 O-Subject: [PATCHv3 02/17] tap: add interface to get device fd Bugzilla: 562958 RH-Acked-by: Juan Quintela RH-Acked-by: Amit Shah RH-Acked-by: Gerd Hoffmann 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(-) Signed-off-by: Eduardo Habkost --- 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 */ -- 1.6.3.rc4.29.g8146