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-rw-r--r--include/uapi/linux/tcp.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h
index 201b3cbd6020..be34d7c5c531 100644
--- a/include/uapi/linux/tcp.h
+++ b/include/uapi/linux/tcp.h
@@ -396,7 +396,8 @@ struct tcp_ao_del { /* setsockopt(TCP_AO_DEL_KEY) */
__s32 ifindex; /* L3 dev index for VRF */
__u32 set_current :1, /* corresponding ::current_key */
set_rnext :1, /* corresponding ::rnext */
- reserved :30; /* must be 0 */
+ del_async :1, /* only valid for listen sockets */
+ reserved :29; /* must be 0 */
__u16 reserved2; /* padding, must be 0 */
__u8 prefix; /* peer's address prefix */
__u8 sndid; /* SendID for outgoing segments */