void
tcp_connection_cleanup (tcp_connection_t * tc)
{
- tcp_main_t *tm = &tcp_main;
-
TCP_EVT (TCP_EVT_DELETE, tc);
/* Cleanup local endpoint if this was an active connect */
}
else
{
- int thread_index = tc->c_thread_index;
-
/* Make sure all timers are cleared */
tcp_connection_timers_reset (tc);
if (tc->cfg_flags & TCP_CFG_F_RATE_SAMPLE)
tcp_bt_cleanup (tc);
- /* Poison the entry */
- if (CLIB_DEBUG > 0)
- clib_memset (tc, 0xFA, sizeof (*tc));
- pool_put (tm->connections[thread_index], tc);
+ tcp_connection_free (tc);
}
}
tcp_connection_t *
tcp_connection_alloc (u8 thread_index)
{
- tcp_main_t *tm = vnet_get_tcp_main ();
+ tcp_worker_ctx_t *wrk = tcp_get_worker (thread_index);
tcp_connection_t *tc;
- pool_get (tm->connections[thread_index], tc);
+ pool_get (wrk->connections, tc);
clib_memset (tc, 0, sizeof (*tc));
- tc->c_c_index = tc - tm->connections[thread_index];
+ tc->c_c_index = tc - wrk->connections;
tc->c_thread_index = thread_index;
return tc;
}
tcp_connection_t *
tcp_connection_alloc_w_base (u8 thread_index, tcp_connection_t * base)
{
- tcp_main_t *tm = vnet_get_tcp_main ();
+ tcp_worker_ctx_t *wrk = tcp_get_worker (thread_index);
tcp_connection_t *tc;
- pool_get (tm->connections[thread_index], tc);
+ pool_get (wrk->connections, tc);
clib_memcpy_fast (tc, base, sizeof (*tc));
- tc->c_c_index = tc - tm->connections[thread_index];
+ tc->c_c_index = tc - wrk->connections;
tc->c_thread_index = thread_index;
return tc;
}
void
tcp_connection_free (tcp_connection_t * tc)
{
- tcp_main_t *tm = &tcp_main;
+ tcp_worker_ctx_t *wrk = tcp_get_worker (tc->c_thread_index);
if (CLIB_DEBUG)
{
- u8 thread_index = tc->c_thread_index;
clib_memset (tc, 0xFA, sizeof (*tc));
- pool_put (tm->connections[thread_index], tc);
+ pool_put (wrk->connections, tc);
return;
}
- pool_put (tm->connections[tc->c_thread_index], tc);
-}
-
-/** Notify session that connection has been reset.
- *
- * Switch state to closed and wait for session to call cleanup.
- */
-void
-tcp_connection_reset (tcp_connection_t * tc)
-{
- TCP_EVT (TCP_EVT_RST_RCVD, tc);
- switch (tc->state)
- {
- case TCP_STATE_SYN_RCVD:
- /* Cleanup everything. App wasn't notified yet */
- session_transport_delete_notify (&tc->connection);
- tcp_connection_cleanup (tc);
- break;
- case TCP_STATE_SYN_SENT:
- session_stream_connect_notify (&tc->connection, 1 /* fail */ );
- tcp_connection_cleanup (tc);
- break;
- case TCP_STATE_ESTABLISHED:
- tcp_connection_timers_reset (tc);
- /* Set the cleanup timer, in case the session layer/app don't
- * cleanly close the connection */
- tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.closewait_time);
- session_transport_reset_notify (&tc->connection);
- tcp_cong_recovery_off (tc);
- tcp_connection_set_state (tc, TCP_STATE_CLOSED);
- session_transport_closed_notify (&tc->connection);
- break;
- case TCP_STATE_CLOSE_WAIT:
- case TCP_STATE_FIN_WAIT_1:
- case TCP_STATE_FIN_WAIT_2:
- case TCP_STATE_CLOSING:
- case TCP_STATE_LAST_ACK:
- tcp_connection_timers_reset (tc);
- tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.closewait_time);
- tcp_cong_recovery_off (tc);
- /* Make sure we mark the session as closed. In some states we may
- * be still trying to send data */
- tcp_connection_set_state (tc, TCP_STATE_CLOSED);
- session_transport_closed_notify (&tc->connection);
- break;
- case TCP_STATE_CLOSED:
- case TCP_STATE_TIME_WAIT:
- break;
- default:
- TCP_DBG ("reset state: %u", tc->state);
- }
+ pool_put (wrk->connections, tc);
}
/**
tcp_connection_set_state (tc, TCP_STATE_CLOSED);
tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.closewait_time);
session_transport_closed_notify (&tc->connection);
+ tcp_worker_stats_inc (tc->c_thread_index, rst_unread, 1);
break;
}
if (!transport_max_tx_dequeue (&tc->connection))
if (!(tc->flags & TCP_CONN_FINPNDG))
{
+ clib_warning ("close-wait with fin sent");
tcp_connection_set_state (tc, TCP_STATE_CLOSED);
tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time);
break;
/* Make sure we don't wait in LAST ACK forever */
tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.lastack_time);
+ tcp_worker_stats_inc (thread_index, to_closewait, 1);
/* Don't delete the connection yet */
break;
tcp_connection_set_state (tc, TCP_STATE_CLOSED);
tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time);
}
+ tcp_worker_stats_inc (thread_index, to_finwait1, 1);
break;
case TCP_STATE_LAST_ACK:
+ tcp_connection_timers_reset (tc);
+ tcp_connection_set_state (tc, TCP_STATE_CLOSED);
+ tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time);
+ session_transport_closed_notify (&tc->connection);
+ tcp_worker_stats_inc (thread_index, to_lastack, 1);
+ break;
case TCP_STATE_CLOSING:
tcp_connection_timers_reset (tc);
tcp_connection_set_state (tc, TCP_STATE_CLOSED);
tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time);
session_transport_closed_notify (&tc->connection);
+ tcp_worker_stats_inc (thread_index, to_closing, 1);
+ break;
+ case TCP_STATE_FIN_WAIT_2:
+ tcp_send_reset (tc);
+ tcp_connection_timers_reset (tc);
+ tcp_connection_set_state (tc, TCP_STATE_CLOSED);
+ session_transport_closed_notify (&tc->connection);
+ tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time);
+ tcp_worker_stats_inc (thread_index, to_finwait2, 1);
break;
default:
tcp_connection_del (tc);
tcp_expired_timers_dispatch (u32 * expired_timers)
{
u32 thread_index = vlib_get_thread_index ();
- u32 connection_index, timer_id;
+ u32 connection_index, timer_id, n_expired;
tcp_connection_t *tc;
int i;
+ n_expired = vec_len (expired_timers);
+ tcp_worker_stats_inc (thread_index, timer_expirations, n_expired);
+
/*
* Invalidate all timer handles before dispatching. This avoids dangling
* index references to timer wheel pool entries that have been freed.
*/
- for (i = 0; i < vec_len (expired_timers); i++)
+ for (i = 0; i < n_expired; i++)
{
connection_index = expired_timers[i] & 0x0FFFFFFF;
timer_id = expired_timers[i] >> 28;
/*
* Dispatch expired timers
*/
- for (i = 0; i < vec_len (expired_timers); i++)
+ for (i = 0; i < n_expired; i++)
{
connection_index = expired_timers[i] & 0x0FFFFFFF;
timer_id = expired_timers[i] >> 28;
u32 num_threads, n_workers, prealloc_conn_per_wrk;
tcp_connection_t *tc __attribute__ ((unused));
tcp_main_t *tm = vnet_get_tcp_main ();
+ tcp_worker_ctx_t *wrk;
clib_error_t *error = 0;
int thread;
*/
num_threads = 1 /* main thread */ + vtm->n_threads;
- vec_validate (tm->connections, num_threads - 1);
vec_validate (tm->wrk_ctx, num_threads - 1);
n_workers = num_threads == 1 ? 1 : vtm->n_threads;
prealloc_conn_per_wrk = tcp_cfg.preallocated_connections / n_workers;
for (thread = 0; thread < num_threads; thread++)
{
- vec_validate (tm->wrk_ctx[thread].pending_deq_acked, 255);
- vec_validate (tm->wrk_ctx[thread].pending_disconnects, 255);
- vec_reset_length (tm->wrk_ctx[thread].pending_deq_acked);
- vec_reset_length (tm->wrk_ctx[thread].pending_disconnects);
- tm->wrk_ctx[thread].vm = vlib_mains[thread];
+ wrk = &tm->wrk_ctx[thread];
+
+ vec_validate (wrk->pending_deq_acked, 255);
+ vec_validate (wrk->pending_disconnects, 255);
+ vec_validate (wrk->pending_resets, 255);
+ vec_reset_length (wrk->pending_deq_acked);
+ vec_reset_length (wrk->pending_disconnects);
+ vec_reset_length (wrk->pending_resets);
+ wrk->vm = vlib_mains[thread];
/*
* Preallocate connections. Assume that thread 0 won't
* use preallocated threads when running multi-core
*/
if ((thread > 0 || num_threads == 1) && prealloc_conn_per_wrk)
- pool_init_fixed (tm->connections[thread], prealloc_conn_per_wrk);
+ pool_init_fixed (wrk->connections, prealloc_conn_per_wrk);
}
/*
}
static clib_error_t *
-tcp_src_address (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd_arg)
+tcp_src_address_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd_arg)
{
ip4_address_t v4start, v4end;
ip6_address_t v6start, v6end;
{
.path = "tcp src-address",
.short_help = "tcp src-address <ip-addr> [- <ip-addr>] add src address range",
- .function = tcp_src_address,
+ .function = tcp_src_address_fn,
};
/* *INDENT-ON* */
};
/* *INDENT-ON* */
+static clib_error_t *
+show_tcp_stats_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ tcp_main_t *tm = vnet_get_tcp_main ();
+ tcp_worker_ctx_t *wrk;
+ u32 thread;
+
+ if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ return clib_error_return (0, "unknown input `%U'", format_unformat_error,
+ input);
+ for (thread = 0; thread < vec_len (tm->wrk_ctx); thread++)
+ {
+ wrk = tcp_get_worker (thread);
+ vlib_cli_output (vm, "Thread %d:\n", thread);
+
+#define _(name,type,str) \
+ if (wrk->stats.name) \
+ vlib_cli_output (vm, " %ld %s", wrk->stats.name, str);
+ foreach_tcp_wrk_stat
+#undef _
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_tcp_stats_command, static) =
+{
+ .path = "show tcp stats",
+ .short_help = "show tcp stats",
+ .function = show_tcp_stats_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+clear_tcp_stats_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ tcp_main_t *tm = vnet_get_tcp_main ();
+ tcp_worker_ctx_t *wrk;
+ u32 thread;
+
+ if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ return clib_error_return (0, "unknown input `%U'", format_unformat_error,
+ input);
+
+ for (thread = 0; thread < vec_len (tm->wrk_ctx); thread++)
+ {
+ wrk = tcp_get_worker (thread);
+ clib_memset (&wrk->stats, 0, sizeof (wrk->stats));
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (clear_tcp_stats_command, static) =
+{
+ .path = "clear tcp stats",
+ .short_help = "clear tcp stats",
+ .function = clear_tcp_stats_fn,
+};
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*