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 */
- tw_timer_wheel_16t_2w_512sl_t timer_wheel;
+ tcp_timer_wheel_t timer_wheel;
CLIB_CACHE_LINE_ALIGN_MARK (cacheline2);
tcp_wrk_stats_t stats;
} tcp_worker_ctx_t;
-#define tcp_worker_stats_inc(_ti,_stat,_val) \
- tcp_main.wrk_ctx[_ti].stats._stat += _val
-
-#define tcp_workerp_stats_inc(_wrk,_stat,_val) \
+#define tcp_worker_stats_inc(_wrk,_stat,_val) \
_wrk->stats._stat += _val
typedef struct tcp_iss_seed_
* 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);
fib_node_index_t tcp_lookup_rmt_in_fib (tcp_connection_t * tc);
u32 tcp_session_push_header (transport_connection_t * tconn,
vlib_buffer_t * b);
-int tcp_session_custom_tx (void *conn, u32 max_burst_size);
+int tcp_session_custom_tx (void *conn, transport_send_params_t * sp);
void tcp_connection_timers_init (tcp_connection_t * tc);
void tcp_connection_timers_reset (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);
+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,
format_function_t format_tcp_connection;
format_function_t format_tcp_connection_id;
-always_inline void
-tcp_timer_set (tcp_connection_t * tc, u8 timer_id, u32 interval)
-{
- ASSERT (tc->c_thread_index == vlib_get_thread_index ());
- ASSERT (tc->timers[timer_id] == TCP_TIMER_HANDLE_INVALID);
- tc->timers[timer_id] =
- tw_timer_start_16t_2w_512sl (&tcp_main.
- wrk_ctx[tc->c_thread_index].timer_wheel,
- tc->c_c_index, timer_id, interval);
-}
-
-always_inline void
-tcp_timer_reset (tcp_connection_t * tc, u8 timer_id)
-{
- ASSERT (tc->c_thread_index == vlib_get_thread_index ());
- if (tc->timers[timer_id] == TCP_TIMER_HANDLE_INVALID)
- return;
-
- tw_timer_stop_16t_2w_512sl (&tcp_main.
- wrk_ctx[tc->c_thread_index].timer_wheel,
- tc->timers[timer_id]);
- tc->timers[timer_id] = TCP_TIMER_HANDLE_INVALID;
-}
-
-always_inline void
-tcp_timer_update (tcp_connection_t * tc, u8 timer_id, u32 interval)
-{
- ASSERT (tc->c_thread_index == vlib_get_thread_index ());
- if (tc->timers[timer_id] != TCP_TIMER_HANDLE_INVALID)
- tw_timer_update_16t_2w_512sl (&tcp_main.
- wrk_ctx[tc->c_thread_index].timer_wheel,
- tc->timers[timer_id], interval);
- else
- tc->timers[timer_id] =
- tw_timer_start_16t_2w_512sl (&tcp_main.
- wrk_ctx[tc->c_thread_index].timer_wheel,
- tc->c_c_index, timer_id, interval);
-}
-
-always_inline void
-tcp_retransmit_timer_set (tcp_connection_t * tc)
-{
- ASSERT (tc->snd_una != tc->snd_una_max);
- tcp_timer_set (tc, TCP_TIMER_RETRANSMIT,
- clib_max (tc->rto * TCP_TO_TIMER_TICK, 1));
-}
-
-always_inline void
-tcp_retransmit_timer_reset (tcp_connection_t * tc)
-{
- tcp_timer_reset (tc, TCP_TIMER_RETRANSMIT);
-}
-
-always_inline void
-tcp_retransmit_timer_force_update (tcp_connection_t * tc)
-{
- tcp_timer_update (tc, TCP_TIMER_RETRANSMIT,
- clib_max (tc->rto * TCP_TO_TIMER_TICK, 1));
-}
-
-always_inline void
-tcp_persist_timer_set (tcp_connection_t * tc)
-{
- /* Reuse RTO. It's backed off in handler */
- tcp_timer_set (tc, TCP_TIMER_PERSIST,
- clib_max (tc->rto * TCP_TO_TIMER_TICK, 1));
-}
-
-always_inline void
-tcp_persist_timer_update (tcp_connection_t * tc)
-{
- u32 interval;
-
- if (seq_leq (tc->snd_una, tc->snd_congestion + tc->burst_acked))
- interval = 1;
- else
- interval = clib_max (tc->rto * TCP_TO_TIMER_TICK, 1);
-
- tcp_timer_update (tc, TCP_TIMER_PERSIST, interval);
-}
-
-always_inline void
-tcp_persist_timer_reset (tcp_connection_t * tc)
-{
- tcp_timer_reset (tc, TCP_TIMER_PERSIST);
-}
-
-always_inline void
-tcp_retransmit_timer_update (tcp_connection_t * tc)
-{
- if (tc->snd_una == tc->snd_nxt)
- {
- tcp_retransmit_timer_reset (tc);
- if (tc->snd_wnd < tc->snd_mss)
- tcp_persist_timer_update (tc);
- }
- else
- tcp_timer_update (tc, TCP_TIMER_RETRANSMIT,
- clib_max (tc->rto * TCP_TO_TIMER_TICK, 1));
-}
-
-always_inline u8
-tcp_timer_is_active (tcp_connection_t * tc, tcp_timers_e timer)
-{
- return tc->timers[timer] != TCP_TIMER_HANDLE_INVALID;
-}
-
#define tcp_validate_txf_size(_tc, _a) \
ASSERT(_tc->state != TCP_STATE_ESTABLISHED \
|| transport_max_tx_dequeue (&_tc->connection) >= _a)
Code Review / vpp.git / blobdiff