#define TCP_DUPACK_THRESHOLD 3
#define TCP_MAX_RX_FIFO_SIZE 4 << 20
+#define TCP_MIN_RX_FIFO_SIZE 4 << 10
#define TCP_IW_N_SEGMENTS 10
#define TCP_ALWAYS_ACK 1 /**< On/off delayed acks */
#define TCP_USE_SACKS 1 /**< Disable only for testing */
/* Per worker-thread timer wheel for connections timers */
tw_timer_wheel_16t_2w_512sl_t *timer_wheels;
-// /* Convenience per worker-thread vector of connections to DELACK */
-// u32 **delack_connections;
-
/* Pool of half-open connections on which we've sent a SYN */
tcp_connection_t *half_open_connections;
+ clib_spinlock_t half_open_lock;
/* Pool of local TCP endpoints */
transport_endpoint_t *local_endpoints;
void tcp_connection_close (tcp_connection_t * tc);
void tcp_connection_cleanup (tcp_connection_t * tc);
void tcp_connection_del (tcp_connection_t * tc);
+void tcp_half_open_connection_del (tcp_connection_t * tc);
+tcp_connection_t *tcp_connection_new (u8 thread_index);
void tcp_connection_reset (tcp_connection_t * tc);
u8 *format_tcp_connection_id (u8 * s, va_list * args);
always_inline tcp_connection_t *
tcp_half_open_connection_get (u32 conn_index)
{
+ if (pool_is_free_index (tcp_main.half_open_connections, conn_index))
+ return 0;
return pool_elt_at_index (tcp_main.half_open_connections, conn_index);
}
void tcp_make_ack (tcp_connection_t * ts, vlib_buffer_t * b);
void tcp_make_fin (tcp_connection_t * tc, vlib_buffer_t * b);
void tcp_make_synack (tcp_connection_t * ts, vlib_buffer_t * b);
-void tcp_send_reset (vlib_buffer_t * pkt, u8 is_ip4);
+void tcp_send_reset (tcp_connection_t * tc, vlib_buffer_t * pkt, u8 is_ip4);
void tcp_send_syn (tcp_connection_t * tc);
void tcp_send_fin (tcp_connection_t * tc);
void tcp_init_mss (tcp_connection_t * tc);
tc->c_c_index, timer_id, interval);
}
-/* XXX Switch retransmit to faster TW */
always_inline void
tcp_retransmit_timer_set (tcp_connection_t * tc)
{