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-rw-r--r--include/linux/tcp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 3b2911502a8c..e8bbf403618f 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -158,6 +158,8 @@ struct tcp_sock {
* sum(delta(snd_una)), or how many bytes
* were acked.
*/
+ struct u64_stats_sync syncp; /* protects 64bit vars (cf tcp_get_info()) */
+
u32 snd_una; /* First byte we want an ack for */
u32 snd_sml; /* Last byte of the most recently transmitted small packet */
u32 rcv_tstamp; /* timestamp of last received ACK (for keepalives) */