diff options
Diffstat (limited to 'src/vnet/tcp/tcp_types.h')
| -rw-r--r-- | src/vnet/tcp/tcp_types.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/vnet/tcp/tcp_types.h b/src/vnet/tcp/tcp_types.h index 3cf4e9e33ef..d7bcac5e3bc 100644 --- a/src/vnet/tcp/tcp_types.h +++ b/src/vnet/tcp/tcp_types.h @@ -22,10 +22,14 @@ #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 @@ -355,7 +359,7 @@ typedef struct _tcp_connection /* 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 */ |