#define TCP_SYN_RCVD_TIME 600 /* 60s */
#define TCP_2MSL_TIME 300 /* 30s */
#define TCP_CLOSEWAIT_TIME 20 /* 2s */
-#define TCP_TIMEWAIT_TIME 20 /* 2s */
+#define TCP_TIMEWAIT_TIME 100 /* 10s */
#define TCP_CLEANUP_TIME 10 /* 1s Time to wait before cleanup */
#define TCP_TIMER_PERSIST_MIN 2 /* 0.2s */
#define foreach_tcp_connection_flag \
_(SNDACK, "Send ACK") \
_(FINSNT, "FIN sent") \
- _(SENT_RCV_WND0, "Sent 0 receive window") \
- _(RECOVERY, "Recovery on") \
- _(FAST_RECOVERY, "Fast Recovery on") \
+ _(SENT_RCV_WND0, "Sent 0 rcv_wnd") \
+ _(RECOVERY, "Recovery") \
+ _(FAST_RECOVERY, "Fast Recovery") \
_(FR_1_SMSS, "Sent 1 SMSS") \
_(HALF_OPEN_DONE, "Half-open completed") \
- _(FINPNDG, "FIN pending")
+ _(FINPNDG, "FIN pending") \
typedef enum _tcp_connection_flag_bits
{
/* Congestion control */
u32 cwnd; /**< Congestion window */
+ u32 cwnd_acc_bytes; /**< Bytes accumulated for cwnd increment */
u32 ssthresh; /**< Slow-start threshold */
u32 prev_ssthresh; /**< ssthresh before congestion */
u32 prev_cwnd; /**< ssthresh before congestion */
u16 mss; /**< Our max seg size that includes options */
u32 limited_transmit; /**< snd_nxt when limited transmit starts */
u32 last_fib_check; /**< Last time we checked fib route for peer */
+ u32 sw_if_index; /**< Interface for the connection */
} tcp_connection_t;
struct _tcp_cc_algorithm
tcp_connection_t *half_open_connections;
clib_spinlock_t half_open_lock;
- /* Pool of local TCP endpoints */
- transport_endpoint_t *local_endpoints;
-
- /* Local endpoints lookup table */
- transport_endpoint_table_t local_endpoints_table;
- clib_spinlock_t local_endpoints_lock;
-
/* Congestion control algorithms registered */
tcp_cc_algorithm_t *cc_algos;
u32 preallocated_connections;
u32 preallocated_half_open_connections;
- /** Transport table (preallocation) size parameters */
- u32 local_endpoints_table_memory;
- u32 local_endpoints_table_buckets;
-
/** Vectors of src addresses. Optional unless one needs > 63K active-opens */
ip4_address_t *ip4_src_addresses;
u32 last_v4_address_rotor;
u32 last_v6_address_rotor;
ip6_address_t *ip6_src_addresses;
- /** Port allocator random number generator seed */
- u32 port_allocator_seed;
-
/** vlib buffer size */
u32 bytes_per_buffer;
+
+ u8 punt_unknown4;
+ u8 punt_unknown6;
+
+ /** fault-injection */
+ f64 buffer_fail_fraction;
} tcp_main_t;
extern tcp_main_t tcp_main;
+ vnet_buffer (b)->tcp.hdr_offset);
}
+#if (VLIB_BUFFER_TRACE_TRAJECTORY)
+#define tcp_trajectory_add_start(b, start) \
+{ \
+ (*vlib_buffer_trace_trajectory_cb) (b, start); \
+}
+#else
+#define tcp_trajectory_add_start(b, start)
+#endif
+
clib_error_t *vnet_tcp_enable_disable (vlib_main_t * vm, u8 is_en);
+void tcp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add);
+
always_inline tcp_connection_t *
tcp_connection_get (u32 conn_index, u32 thread_index)
{
* Estimate of how many bytes we can still push into the network
*/
always_inline u32
-tcp_available_snd_space (const tcp_connection_t * tc)
+tcp_available_cc_snd_space (const tcp_connection_t * tc)
{
u32 available_wnd = tcp_available_snd_wnd (tc);
u32 flight_size = tcp_flight_size (tc);
/* Made public for unit testing only */
void tcp_update_sack_list (tcp_connection_t * tc, u32 start, u32 end);
+u32 tcp_sack_list_bytes (tcp_connection_t * tc);
always_inline u32
tcp_time_now (void)
return tcp_main.time_now[thread_index];
}
-always_inline void
-tcp_update_time (f64 now, u32 thread_index)
-{
- tcp_set_time_now (thread_index);
- tw_timer_expire_timers_16t_2w_512sl (&tcp_main.timer_wheels[thread_index],
- now);
- tcp_flush_frames_to_output (thread_index);
-}
-
-u32 tcp_push_header (transport_connection_t * tconn, vlib_buffer_t * b);
+u32 tcp_session_push_header (transport_connection_t * tconn,
+ vlib_buffer_t * b);
u32
tcp_prepare_retransmit_segment (tcp_connection_t * tc, u32 offset,
#define tcp_validate_txf_size(_tc, _a) \
ASSERT(_tc->state != TCP_STATE_ESTABLISHED \
- || stream_session_tx_fifo_max_dequeue (&_tc->connection) >= _a)
+ || session_tx_fifo_max_dequeue (&_tc->connection) >= _a)
void
scoreboard_remove_hole (sack_scoreboard_t * sb,
sack_scoreboard_hole_t * hole);
-void scoreboard_update_lost (tcp_connection_t * tc, sack_scoreboard_t * sb);
sack_scoreboard_hole_t *scoreboard_insert_hole (sack_scoreboard_t * sb,
u32 prev_index, u32 start,
u32 end);