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authorFlorin Coras <fcoras@cisco.com>2019-07-29 18:13:25 -0700
committerDave Barach <openvpp@barachs.net>2019-08-02 16:32:34 +0000
commitedfe0eea7a938e650074fcb82a971187a7beb12e (patch)
tree36e42838e4fc3f90594ee48b8eef3ce9c461e0e2 /src/vnet/tcp/tcp.h
parentc62a83daeac52c8642206ac1660e4e3e6ead77bf (diff)
tcp: add more connection stats
Type:feature Change-Id: If02884d0f1f26bfe31ec609ea9611cb27b699868 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp.h')
-rw-r--r--src/vnet/tcp/tcp.h34
1 files changed, 31 insertions, 3 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index 698173ee28a..fe02640f249 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -300,6 +300,17 @@ typedef enum tcp_cc_event_
TCP_CC_EVT_START_TX,
} tcp_cc_event_t;
+/*
+ * As per RFC4898 tcpEStatsStackSoftErrors
+ */
+typedef struct tcp_errors_
+{
+ u32 below_data_wnd; /**< All data in seg is below snd_una */
+ u32 above_data_wnd; /**< Some data in segment is above snd_wnd */
+ u32 below_ack_wnd; /**< Acks for data below snd_una */
+ u32 above_ack_wnd; /**< Acks for data not sent */
+} tcp_errors_t;
+
typedef struct _tcp_connection
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
@@ -309,7 +320,10 @@ typedef struct _tcp_connection
u16 flags; /**< Connection flags (see tcp_conn_flags_e) */
u32 timers[TCP_N_TIMERS]; /**< Timer handles into timer wheel */
- /* TODO RFC4898 */
+ u64 segs_in; /** RFC4022/4898 tcpHCInSegs/tcpEStatsPerfSegsIn */
+ u64 bytes_in; /** RFC4898 tcpEStatsPerfHCDataOctetsIn */
+ u64 segs_out; /** RFC4898 tcpEStatsPerfSegsOut */
+ u64 bytes_out; /** RFC4898 tcpEStatsPerfHCDataOctetsOut */
/** Send sequence variables RFC793 */
u32 snd_una; /**< oldest unacknowledged sequence number */
@@ -320,6 +334,9 @@ typedef struct _tcp_connection
u32 snd_nxt; /**< next seq number to be sent */
u16 snd_mss; /**< Effective send max seg (data) size */
+ u64 data_segs_in; /** RFC4898 tcpEStatsPerfDataSegsIn */
+ u64 data_segs_out; /** RFC4898 tcpEStatsPerfDataSegsOut */
+
/** Receive sequence variables RFC793 */
u32 rcv_nxt; /**< next sequence number expected */
u32 rcv_wnd; /**< receive window we expect */
@@ -342,8 +359,10 @@ typedef struct _tcp_connection
sack_block_t *snd_sacks_fl; /**< Vector for building new list */
sack_scoreboard_t sack_sb; /**< SACK "scoreboard" that tracks holes */
- u16 rcv_dupacks; /**< Number of DUPACKs received */
+ u16 rcv_dupacks; /**< Number of recent DUPACKs received */
+ u32 dupacks_in; /**< RFC4898 tcpEStatsStackDupAcksIn*/
u8 pending_dupacks; /**< Number of DUPACKs to be sent */
+ u32 dupacks_out; /**< RFC4898 tcpEStatsPathDupAcksOut */
/* Congestion control */
u32 cwnd; /**< Congestion window */
@@ -361,6 +380,12 @@ typedef struct _tcp_connection
tcp_cc_algorithm_t *cc_algo; /**< Congestion control algorithm */
u8 cc_data[TCP_CC_DATA_SZ]; /**< Congestion control algo private data */
+ u32 fr_occurences; /**< fast-retransmit occurrences RFC4898
+ tcpEStatsStackFastRetran */
+ u32 tr_occurences; /**< timer-retransmit occurrences */
+ u64 bytes_retrans; /**< RFC4898 tcpEStatsPerfOctetsRetrans */
+ u64 segs_retrans; /**< RFC4898 tcpEStatsPerfSegsRetrans*/
+
/* RTT and RTO */
u32 rto; /**< Retransmission timeout */
u32 rto_boff; /**< Index for RTO backoff */
@@ -382,9 +407,12 @@ typedef struct _tcp_connection
f64 delivered_time; /**< Time last bytes were acked */
tcp_byte_tracker_t *bt; /**< Tx byte tracker */
+ tcp_errors_t errors; /**< Soft connection errors */
+
+ f64 start_ts; /**< Timestamp when connection initialized */
u32 last_fib_check; /**< Last time we checked fib route for peer */
u16 mss; /**< Our max seg size that includes options */
- u32 timestamp_delta;
+ u32 timestamp_delta; /**< Offset for timestamp */
} tcp_connection_t;
/* *INDENT-OFF* */