tcp: add lost and in flight to byte tracker
Type: improvement
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I3b0041d72d835cbb11e803cc56ac4c68a68238a0
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index 9988069..361abe2 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -263,6 +263,8 @@
f64 delivered_time; /**< Delivered time when sample taken */
f64 tx_time; /**< Transmit time for the burst */
f64 first_tx_time; /**< Connection first tx time at tx */
+ u64 tx_in_flight; /**< In flight at tx time */
+ u64 tx_lost; /**< Lost at tx time */
tcp_bts_flags_t flags; /**< Sample flag */
} tcp_bt_sample_t;
@@ -273,9 +275,12 @@
f64 prior_time; /**< Delivered time of sample used for rate */
f64 interval_time; /**< Time to ack the bytes delivered */
f64 rtt_time; /**< RTT for sample */
+ u64 tx_in_flight; /**< In flight at (re)transmit time */
+ u64 tx_lost; /**< Lost over interval */
u32 delivered; /**< Bytes delivered in interval_time */
u32 acked_and_sacked; /**< Bytes acked + sacked now */
- u32 lost; /**< Bytes lost now */
+ u32 last_lost; /**< Bytes lost now */
+ u32 lost; /**< Number of bytes lost over interval */
tcp_bts_flags_t flags; /**< Rate sample flags from bt sample */
} tcp_rate_sample_t;
@@ -420,6 +425,7 @@
u64 app_limited; /**< Delivered when app-limited detected */
f64 delivered_time; /**< Time last bytes were acked */
f64 first_tx_time; /**< Send time for recently delivered/sent */
+ u64 lost; /**< Total bytes lost */
tcp_byte_tracker_t *bt; /**< Tx byte tracker */
tcp_errors_t errors; /**< Soft connection errors */