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;
_(to_closing, u32, "timeout closing") \
_(tr_abort, u32, "timer retransmit abort") \
_(rst_unread, u32, "reset on close due to unread data") \
+ _(no_buffer, u32, "out of buffers") \
typedef struct tcp_wrk_stats_
{
/** convenience pointer to this thread's vlib main */
vlib_main_t *vm;
- /** worker time */
- u32 time_now;
+ /** Time used for high precision (us) measurements in seconds */
+ f64 time_us;
+
+ /** Time measured in @ref TCP_TSTAMP_TICK used for time stamps */
+ u32 time_tstamp;
/* Max timers to be handled per dispatch loop */
u32 max_timers_per_loop;
- /** Session layer edge indices to tcp output */
- u32 tco_next_node[2];
-
/* Fifo of pending timer expirations */
u32 *pending_timers;
/* fifo of pending free requests */
tcp_cleanup_req_t *pending_cleanups;
+ /** Session layer edge indices to tcp output */
+ u32 tco_next_node[2];
+
/** worker timer wheel */
tcp_timer_wheel_t timer_wheel;
* a zero rwnd advertisement */
u32 rwnd_min_update_ack;
- /** Delayed ack time (disabled) */
- u16 delack_time;
-
/** Timer ticks to wait for close from app */
- u16 closewait_time;
+ u32 closewait_time;
/** Timer ticks to wait in time-wait. Also known as 2MSL */
- u16 timewait_time;
+ u32 timewait_time;
/** Timer ticks to wait in fin-wait1 to send fin and rcv fin-ack */
- u16 finwait1_time;
+ u32 finwait1_time;
/** Timer ticks to wait in last ack for ack */
- u16 lastack_time;
+ u32 lastack_time;
/** Timer ticks to wait in fin-wait2 for fin */
- u16 finwait2_time;
+ u32 finwait2_time;
/** Timer ticks to wait in closing for fin ack */
- u16 closing_time;
+ u32 closing_time;
/** Time to wait (sec) before cleaning up the connection */
f32 cleanup_time;
/** Number of preallocated half-open connections */
u32 preallocated_half_open_connections;
+ /** Maxium allowed GSO packet size */
+ u32 max_gso_size;
+
/** Vectors of src addresses. Optional unless one needs > 63K active-opens */
ip4_address_t *ip4_src_addrs;
ip6_address_t *ip6_src_addrs;
/* Pool of listeners. */
tcp_connection_t *listener_pool;
- f64 tstamp_ticks_per_clock;
-
/** vlib buffer size */
u32 bytes_per_buffer;
return &tcp_main.wrk_ctx[thread_index];
}
-#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
-
tcp_connection_t *tcp_connection_alloc (u8 thread_index);
tcp_connection_t *tcp_connection_alloc_w_base (u8 thread_index,
tcp_connection_t * base);
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);
+void tcp_check_gso (tcp_connection_t *tc);
void tcp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add);
int tcp_configure_v4_source_address_range (vlib_main_t * vm,