#include <vnet/session/transport.h>
#include <vppinfra/tw_timer_16t_2w_512sl.h>
-#define TCP_TICK 0.001 /**< TCP tick period (s) */
-#define THZ (u32) (1/TCP_TICK) /**< TCP tick frequency */
-#define TCP_TSTAMP_RESOLUTION TCP_TICK /**< Time stamp resolution */
-#define TCP_PAWS_IDLE 24 * 24 * 60 * 60 * THZ /**< 24 days */
+#define TCP_TICK 0.000001 /**< TCP tick period (s) */
+#define THZ (u32) (1/TCP_TICK) /**< TCP tick frequency */
+
+#define TCP_TSTP_TICK 0.001 /**< Timestamp tick (s) */
+#define TCP_TSTP_HZ (u32) (1/TCP_TSTP_TICK) /**< Timestamp freq */
+#define TCP_PAWS_IDLE (24 * 86400 * TCP_TSTP_HZ)/**< 24 days */
+#define TCP_TSTP_TO_HZ (u32) (TCP_TSTP_TICK * THZ)
+
#define TCP_FIB_RECHECK_PERIOD 1 * THZ /**< Recheck every 1s */
#define TCP_MAX_OPTION_SPACE 40
#define TCP_CC_DATA_SZ 24
/* RTT and RTO */
u32 rto; /**< Retransmission timeout */
u32 rto_boff; /**< Index for RTO backoff */
- u32 srtt; /**< Smoothed RTT */
+ u32 srtt; /**< Smoothed RTT measured in @ref TCP_TICK */
u32 rttvar; /**< Smoothed mean RTT difference. Approximates variance */
u32 rtt_seq; /**< Sequence number for tracked ACK */
f64 rtt_ts; /**< Timestamp for tracked ACK */