diff options
Diffstat (limited to 'src/vnet/tcp/tcp.h')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 34 |
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* */ |