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-rw-r--r--include/uapi/linux/tcp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h
index 92a2e79222ea..a126b3860e63 100644
--- a/include/uapi/linux/tcp.h
+++ b/include/uapi/linux/tcp.h
@@ -140,6 +140,7 @@ enum {
#define TCP_IS_MPTCP 43 /* Is MPTCP being used? */
#define TCP_RTO_MAX_MS 44 /* max rto time in ms */
+#define TCP_RTO_MIN_US 45 /* min rto time in us */
#define TCP_REPAIR_ON 1
#define TCP_REPAIR_OFF 0