Blame qemu-tap-add-interface-to-get-device-fd.patch
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Will be used by vhost to attach/detach to backend.
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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---
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net/tap.c | 7 +++++++
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net/tap.h | 2 ++
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2 files changed, 9 insertions(+), 0 deletions(-)
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diff --git a/net/tap.c b/net/tap.c
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index d3492de..7e9ca79 100644
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--- a/net/tap.c
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+++ b/net/tap.c
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@@ -269,6 +269,13 @@ static void tap_poll(VLANClientState *nc, bool enable)
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tap_write_poll(s, enable);
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}
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+int tap_get_fd(VLANClientState *nc)
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+{
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+ TAPState *s = DO_UPCAST(TAPState, nc, nc);
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+ assert(nc->info->type == NET_CLIENT_TYPE_TAP);
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+ return s->fd;
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+}
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+
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/* fd support */
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static NetClientInfo net_tap_info = {
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diff --git a/net/tap.h b/net/tap.h
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index 538a562..a244b28 100644
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--- a/net/tap.h
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+++ b/net/tap.h
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@@ -48,4 +48,6 @@ int tap_probe_vnet_hdr(int fd);
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int tap_probe_has_ufo(int fd);
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void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
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+int tap_get_fd(VLANClientState *vc);
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+
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#endif /* QEMU_NET_TAP_H */
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--
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1.6.6.144.g5c3af
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