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-rw-r--r--include/linux/tcp.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 67309ece0772..1a7adb411647 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -115,6 +115,7 @@ struct tcp_request_sock {
u32 rcv_isn;
u32 snt_isn;
u32 snt_synack; /* synack sent time */
+ u32 last_oow_ack_time; /* last SYNACK */
u32 rcv_nxt; /* the ack # by SYNACK. For
* FastOpen it's the seq#
* after data-in-SYN.
@@ -152,6 +153,7 @@ struct tcp_sock {
u32 snd_sml; /* Last byte of the most recently transmitted small packet */
u32 rcv_tstamp; /* timestamp of last received ACK (for keepalives) */
u32 lsndtime; /* timestamp of last sent data packet (for restart window) */
+ u32 last_oow_ack_time; /* timestamp of last out-of-window ACK */
u32 tsoffset; /* timestamp offset */
@@ -340,6 +342,10 @@ struct tcp_timewait_sock {
u32 tw_rcv_wnd;
u32 tw_ts_offset;
u32 tw_ts_recent;
+
+ /* The time we sent the last out-of-window ACK: */
+ u32 tw_last_oow_ack_time;
+
long tw_ts_recent_stamp;
#ifdef CONFIG_TCP_MD5SIG
struct tcp_md5sig_key *tw_md5_key;