X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftcp%2Ftcp.h;h=361abe2572938be813e94a19ada8462b2bc4a967;hb=db88ffba2a713442cb632382889c768e682fd47f;hp=1549efbeb7fdace27e49aed13927cf340f27f0e4;hpb=5e6305fb02ccdfd38c8c5e369a960deaa7602eba;p=vpp.git diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 1549efbeb7f..361abe25729 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -82,13 +82,6 @@ typedef enum _tcp_timers TCP_N_TIMERS } tcp_timers_e; -typedef void (timer_expiration_handler) (u32 index, u32 thread_index); - -extern timer_expiration_handler tcp_timer_delack_handler; -extern timer_expiration_handler tcp_timer_retransmit_handler; -extern timer_expiration_handler tcp_timer_persist_handler; -extern timer_expiration_handler tcp_timer_retransmit_syn_handler; - #define TCP_TIMER_HANDLE_INVALID ((u32) ~0) #define TCP_TIMER_TICK 0.1 /**< Timer tick in seconds */ @@ -270,6 +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; @@ -280,9 +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; @@ -427,6 +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 */ @@ -478,6 +477,13 @@ struct _tcp_cc_algorithm #define tcp_csum_offload(tc) (!((tc)->cfg_flags & TCP_CFG_F_NO_CSUM_OFFLOAD)) +typedef void (timer_expiration_handler) (tcp_connection_t * tc); + +extern timer_expiration_handler tcp_timer_delack_handler; +extern timer_expiration_handler tcp_timer_retransmit_handler; +extern timer_expiration_handler tcp_timer_persist_handler; +extern timer_expiration_handler tcp_timer_retransmit_syn_handler; + always_inline void tcp_cong_recovery_off (tcp_connection_t * tc) { @@ -507,7 +513,9 @@ typedef struct _tcp_lookup_dispatch _(rxt_segs, u64, "segments retransmitted") \ _(tr_events, u32, "timer retransmit events") \ _(to_closewait, u32, "timeout close-wait") \ + _(to_closewait2, u32, "timeout close-wait w/data") \ _(to_finwait1, u32, "timeout fin-wait-1") \ + _(to_finwait2, u32, "timeout fin-wait-2") \ _(to_lastack, u32, "timeout last-ack") \ _(to_closing, u32, "timeout closing") \ _(tr_abort, u32, "timer retransmit abort") \ @@ -520,6 +528,12 @@ typedef struct tcp_wrk_stats_ #undef _ } tcp_wrk_stats_t; +typedef struct tcp_free_req_ +{ + clib_time_type_t free_time; + u32 connection_index; +} tcp_cleanup_req_t; + typedef struct tcp_worker_ctx_ { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); @@ -542,6 +556,9 @@ typedef struct tcp_worker_ctx_ /** worker time */ u32 time_now; + /* Max timers to be handled per dispatch loop */ + u32 max_timers_per_loop; + /** tx frames for ip 4/6 lookup nodes */ vlib_frame_t *ip_lookup_tx_frames[2]; @@ -553,6 +570,12 @@ typedef struct tcp_worker_ctx_ /** tx buffer free list */ u32 *tx_buffers; + /* Fifo of pending timer expirations */ + u32 *pending_timers; + + /* fifo of pending free requests */ + tcp_cleanup_req_t *pending_cleanups; + /** worker timer wheel */ tw_timer_wheel_16t_2w_512sl_t timer_wheel; @@ -626,8 +649,8 @@ typedef struct tcp_configuration_ /** Timer ticks to wait in closing for fin ack */ u16 closing_time; - /** Timer ticks to wait before cleaning up the connection */ - u16 cleanup_time; + /** Time to wait (sec) before cleaning up the connection */ + f32 cleanup_time; /** Number of preallocated connections */ u32 preallocated_connections; @@ -830,7 +853,6 @@ void tcp_send_fin (tcp_connection_t * tc); void tcp_send_ack (tcp_connection_t * tc); void tcp_update_burst_snd_vars (tcp_connection_t * tc); void tcp_update_rto (tcp_connection_t * tc); -void tcp_flush_frames_to_output (tcp_worker_ctx_t * wrk); void tcp_send_window_update_ack (tcp_connection_t * tc); void tcp_program_ack (tcp_connection_t * tc); @@ -1020,6 +1042,12 @@ tcp_available_cc_snd_space (const tcp_connection_t * tc) return available_wnd - flight_size; } +static inline u8 +tcp_is_descheduled (tcp_connection_t * tc) +{ + return (transport_connection_is_descheduled (&tc->connection) ? 1 : 0); +} + always_inline u8 tcp_is_lost_fin (tcp_connection_t * tc) { @@ -1030,6 +1058,7 @@ tcp_is_lost_fin (tcp_connection_t * tc) u32 tcp_snd_space (tcp_connection_t * tc); int tcp_fastrecovery_prr_snd_space (tcp_connection_t * tc); +void tcp_reschedule (tcp_connection_t * tc); fib_node_index_t tcp_lookup_rmt_in_fib (tcp_connection_t * tc); @@ -1083,6 +1112,7 @@ void tcp_connection_init_vars (tcp_connection_t * tc); void tcp_connection_tx_pacer_update (tcp_connection_t * tc); void tcp_connection_tx_pacer_reset (tcp_connection_t * tc, u32 window, u32 start_bucket); +void tcp_program_cleanup (tcp_worker_ctx_t * wrk, tcp_connection_t * tc); always_inline void tcp_cc_rcv_ack (tcp_connection_t * tc, tcp_rate_sample_t * rs) @@ -1277,6 +1307,14 @@ tcp_cc_data (tcp_connection_t * tc) void newreno_rcv_cong_ack (tcp_connection_t * tc, tcp_cc_ack_t ack_type, tcp_rate_sample_t * rs); +/** + * Initialize connection by gleaning network and rcv params from buffer + * + * @param tc connection to initialize + * @param b buffer whose current data is pointing at ip + * @param is_ip4 flag set to 1 if using ip4 + */ +void tcp_init_w_buffer (tcp_connection_t * tc, vlib_buffer_t * b, u8 is_ip4); /** * Push TCP header to buffer