diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 8 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp_bt.c | 9 |
2 files changed, 15 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 99880696937..361abe25729 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -263,6 +263,8 @@ typedef struct tcp_bt_sample_ 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 @@ typedef struct tcp_rate_sample_ 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 @@ typedef struct _tcp_connection 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 */ diff --git a/src/vnet/tcp/tcp_bt.c b/src/vnet/tcp/tcp_bt.c index b6649444eb5..e8dc5c9c068 100644 --- a/src/vnet/tcp/tcp_bt.c +++ b/src/vnet/tcp/tcp_bt.c @@ -275,6 +275,8 @@ tcp_bt_alloc_tx_sample (tcp_connection_t * tc, u32 min_seq, u32 max_seq) bts->tx_time = tcp_time_now_us (tc->c_thread_index); bts->first_tx_time = tc->first_tx_time; bts->flags |= tc->app_limited ? TCP_BTS_IS_APP_LIMITED : 0; + bts->tx_in_flight = tcp_flight_size (tc); + bts->tx_lost = tc->lost; return bts; } @@ -475,6 +477,8 @@ tcp_bt_sample_to_rate_sample (tcp_connection_t * tc, tcp_bt_sample_t * bts, rs->interval_time = bts->tx_time - bts->first_tx_time; rs->rtt_time = tc->delivered_time - bts->tx_time; rs->flags = bts->flags; + rs->tx_in_flight = bts->tx_in_flight; + rs->tx_lost = bts->tx_lost; tc->first_tx_time = bts->tx_time; } @@ -586,6 +590,8 @@ tcp_bt_sample_delivery_rate (tcp_connection_t * tc, tcp_rate_sample_t * rs) if (PREDICT_FALSE (tc->flags & TCP_CONN_FINSNT)) return; + tc->lost += tc->sack_sb.last_lost_bytes; + delivered = tc->bytes_acked + tc->sack_sb.last_sacked_bytes; if (!delivered || tc->bt->head == TCP_BTS_INVALID_INDEX) return; @@ -607,7 +613,8 @@ tcp_bt_sample_delivery_rate (tcp_connection_t * tc, tcp_rate_sample_t * rs) rs->interval_time); rs->delivered = tc->delivered - rs->prior_delivered; rs->acked_and_sacked = delivered; - rs->lost = tc->sack_sb.last_lost_bytes; + rs->last_lost = tc->sack_sb.last_lost_bytes; + rs->lost = tc->lost - rs->tx_lost; } void |