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-rw-r--r--include/net/tcp.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index f8bb4a4ed3d1..a23282996ca9 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -754,7 +754,8 @@ struct tcp_skb_cb {
TCPCB_REPAIRED)
__u8 ip_dsfield; /* IPv4 tos or IPv6 dsfield */
- /* 1 byte hole */
+ __u8 txstamp_ack:1, /* Record TX timestamp for ack? */
+ unused:7;
__u32 ack_seq; /* Sequence number ACK'd */
union {
struct inet_skb_parm h4;