* handshake may make it look as if time has flown in the opposite
* direction for us.
*/
- tcp_set_time_now (vlib_get_thread_index ());
+ tcp_set_time_now (tcp_get_worker (vlib_get_thread_index ()));
time_now = tcp_time_now ();
tc->iss = random_u32 (&time_now);
void
tcp_enable_pacing (tcp_connection_t * tc)
{
- u32 max_burst, byte_rate;
- max_burst = 16 * tc->snd_mss;
+ u32 initial_bucket, byte_rate;
+ initial_bucket = 16 * tc->snd_mss;
byte_rate = 2 << 16;
- transport_connection_tx_pacer_init (&tc->connection, byte_rate, max_burst);
+ transport_connection_tx_pacer_init (&tc->connection, byte_rate,
+ initial_bucket);
tc->mrtt_us = (u32) ~ 0;
}
}
static int
-tcp_connection_open (transport_endpoint_t * rmt)
+tcp_session_open (transport_endpoint_cfg_t * rmt)
{
tcp_main_t *tm = vnet_get_tcp_main ();
tcp_connection_t *tc;
return tc->c_c_index;
}
-static int
-tcp_session_open (transport_endpoint_t * tep)
-{
- return tcp_connection_open (tep);
-}
-
const char *tcp_dbg_evt_str[] = {
#define _(sym, str) str,
foreach_tcp_dbg_evt
if (tc->timers[i] != TCP_TIMER_HANDLE_INVALID)
last = i;
- s = format (s, "[");
for (i = 0; i < last; i++)
{
if (tc->timers[i] != TCP_TIMER_HANDLE_INVALID)
}
if (last >= 0)
- s = format (s, "%s]", tcp_conn_timers[i]);
- else
- s = format (s, "]");
+ s = format (s, "%s", tcp_conn_timers[i]);
return s;
}
return (i32) tc->rcv_wnd - (tc->rcv_nxt - tc->rcv_las);
}
+static u8 *
+format_tcp_congestion (u8 * s, va_list * args)
+{
+ tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
+ u32 indent = format_get_indent (s);
+
+ s = format (s, "%U ", format_tcp_congestion_status, tc);
+ s = format (s, "cwnd %u ssthresh %u rtx_bytes %u bytes_acked %u\n",
+ tc->cwnd, tc->ssthresh, tc->snd_rxt_bytes, tc->bytes_acked);
+ s = format (s, "%Ucc space %u prev_ssthresh %u snd_congestion %u"
+ " dupack %u\n", format_white_space, indent,
+ tcp_available_cc_snd_space (tc), tc->prev_ssthresh,
+ tc->snd_congestion - tc->iss, tc->rcv_dupacks);
+ s = format (s, "%Utsecr %u tsecr_last_ack %u limited_transmit %u\n",
+ format_white_space, indent, tc->rcv_opts.tsecr,
+ tc->tsecr_last_ack, tc->limited_transmit - tc->iss);
+ return s;
+}
+
static u8 *
format_tcp_vars (u8 * s, va_list * args)
{
tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
- s = format (s, " flags: %U timers: %U\n", format_tcp_connection_flags, tc,
- format_tcp_timers, tc);
+ s = format (s, " index: %u flags: %U timers: %U\n", tc->c_c_index,
+ format_tcp_connection_flags, tc, format_tcp_timers, tc);
s = format (s, " snd_una %u snd_nxt %u snd_una_max %u",
tc->snd_una - tc->iss, tc->snd_nxt - tc->iss,
tc->snd_una_max - tc->iss);
tc->snd_wnd, tc->rcv_wnd, tc->rcv_wscale);
s = format (s, "snd_wl1 %u snd_wl2 %u\n", tc->snd_wl1 - tc->irs,
tc->snd_wl2 - tc->iss);
- s = format (s, " flight size %u out space %u cc space %u rcv_wnd_av %u\n",
+ s = format (s, " flight size %u out space %u rcv_wnd_av %u\n",
tcp_flight_size (tc), tcp_available_output_snd_space (tc),
- tcp_available_cc_snd_space (tc), tcp_rcv_wnd_available (tc));
- s = format (s, " cong %U ", format_tcp_congestion_status, tc);
- s = format (s, "cwnd %u ssthresh %u rtx_bytes %u bytes_acked %u\n",
- tc->cwnd, tc->ssthresh, tc->snd_rxt_bytes, tc->bytes_acked);
- s = format (s, " prev_ssthresh %u snd_congestion %u dupack %u",
- tc->prev_ssthresh, tc->snd_congestion - tc->iss,
- tc->rcv_dupacks);
- s = format (s, " limited_transmit %u\n", tc->limited_transmit - tc->iss);
- s = format (s, " tsecr %u tsecr_last_ack %u\n", tc->rcv_opts.tsecr,
- tc->tsecr_last_ack);
- s = format (s, " rto %u rto_boff %u srtt %u rttvar %u rtt_ts %2.5f ",
- tc->rto, tc->rto_boff, tc->srtt, tc->rttvar, tc->rtt_ts);
- s = format (s, "rtt_seq %u\n", tc->rtt_seq);
+ tcp_rcv_wnd_available (tc));
s = format (s, " tsval_recent %u tsval_recent_age %u\n", tc->tsval_recent,
tcp_time_now () - tc->tsval_recent_age);
+ s = format (s, " rto %u rto_boff %u srtt %u rttvar %u rtt_ts %2.5f ",
+ tc->rto, tc->rto_boff, tc->srtt, tc->rttvar, tc->rtt_ts);
+ s = format (s, "rtt_seq %u\n", tc->rtt_seq - tc->iss);
+ s = format (s, " cong: %U", format_tcp_congestion, tc);
+
if (tc->state >= TCP_STATE_ESTABLISHED)
{
- s = format (s, " scoreboard: %U\n", format_tcp_scoreboard, &tc->sack_sb,
+ s = format (s, " sboard: %U\n", format_tcp_scoreboard, &tc->sack_sb,
tc);
- if (transport_connection_is_tx_paced (&tc->connection))
- s = format (s, " pacer: %U\n", format_transport_pacer,
- &tc->connection.pacer);
}
if (vec_len (tc->snd_sacks))
s = format (s, " sacks tx: %U\n", format_tcp_sacks, tc);
return s;
if (tc->c_is_ip4)
{
- s = format (s, "[#%d][%s] %U:%d->%U:%d", tc->c_thread_index, "T",
- format_ip4_address, &tc->c_lcl_ip4,
+ s = format (s, "[%d:%d][%s] %U:%d->%U:%d", tc->c_thread_index,
+ tc->c_s_index, "T", format_ip4_address, &tc->c_lcl_ip4,
clib_net_to_host_u16 (tc->c_lcl_port), format_ip4_address,
&tc->c_rmt_ip4, clib_net_to_host_u16 (tc->c_rmt_port));
}
else
{
- s = format (s, "[#%d][%s] %U:%d->%U:%d", tc->c_thread_index, "T",
- format_ip6_address, &tc->c_lcl_ip6,
+ s = format (s, "[%d:%d][%s] %U:%d->%U:%d", tc->c_thread_index,
+ tc->c_s_index, "T", format_ip6_address, &tc->c_lcl_ip6,
clib_net_to_host_u16 (tc->c_lcl_port), format_ip6_address,
&tc->c_rmt_ip6, clib_net_to_host_u16 (tc->c_rmt_port));
}
sack_scoreboard_t *sb = va_arg (*args, sack_scoreboard_t *);
tcp_connection_t *tc = va_arg (*args, tcp_connection_t *);
sack_scoreboard_hole_t *hole;
+ u32 indent = format_get_indent (s);
+
s = format (s, "sacked_bytes %u last_sacked_bytes %u lost_bytes %u\n",
sb->sacked_bytes, sb->last_sacked_bytes, sb->lost_bytes);
- s = format (s, " last_bytes_delivered %u high_sacked %u snd_una_adv %u\n",
- sb->last_bytes_delivered, sb->high_sacked - tc->iss,
- sb->snd_una_adv);
- s = format (s, " cur_rxt_hole %u high_rxt %u rescue_rxt %u",
- sb->cur_rxt_hole, sb->high_rxt - tc->iss,
- sb->rescue_rxt - tc->iss);
+ s = format (s, "%Ulast_bytes_delivered %u high_sacked %u snd_una_adv %u\n",
+ format_white_space, indent, sb->last_bytes_delivered,
+ sb->high_sacked - tc->iss, sb->snd_una_adv);
+ s = format (s, "%Ucur_rxt_hole %u high_rxt %u rescue_rxt %u",
+ format_white_space, indent, sb->cur_rxt_hole,
+ sb->high_rxt - tc->iss, sb->rescue_rxt - tc->iss);
hole = scoreboard_first_hole (sb);
if (hole)
- s = format (s, "\n head %u tail %u %u holes:\n", sb->head, sb->tail,
- pool_elts (sb->holes));
+ s = format (s, "\n%Uhead %u tail %u %u holes:\n", format_white_space,
+ indent, sb->head, sb->tail, pool_elts (sb->holes));
while (hole)
{
- s = format (s, "%U", format_tcp_sack_hole, hole, tc);
+ s = format (s, "%U%U", format_white_space, indent, format_tcp_sack_hole,
+ hole, tc);
hole = scoreboard_next_hole (sb, hole);
}
static void
tcp_update_time (f64 now, u8 thread_index)
{
- tcp_set_time_now (thread_index);
- tw_timer_expire_timers_16t_2w_512sl (&tcp_main.
- wrk_ctx[thread_index].timer_wheel,
- now);
- tcp_do_fastretransmits (thread_index);
- tcp_flush_frames_to_output (thread_index);
+ tcp_worker_ctx_t *wrk = tcp_get_worker (thread_index);
+
+ tcp_set_time_now (wrk);
+ tw_timer_expire_timers_16t_2w_512sl (&wrk->timer_wheel, now);
+ tcp_do_fastretransmits (wrk);
+ tcp_flush_frames_to_output (wrk);
}
static u32
/* *INDENT-ON* */
void
-tcp_update_pacer (tcp_connection_t * tc)
+tcp_connection_tx_pacer_update (tcp_connection_t * tc)
{
f64 srtt;
((f64) tc->cwnd) / srtt);
}
+void
+tcp_connection_tx_pacer_reset (tcp_connection_t * tc, u32 window,
+ u32 start_bucket)
+{
+ tcp_worker_ctx_t *wrk = tcp_get_worker (tc->c_thread_index);
+ u32 byte_rate = window / ((f64) TCP_TICK * tc->srtt);
+ u64 last_time = wrk->vm->clib_time.last_cpu_time;
+ transport_connection_tx_pacer_reset (&tc->connection, byte_rate,
+ start_bucket, last_time);
+}
+
static void
tcp_timer_keep_handler (u32 conn_index)
{
static clib_error_t *
tcp_main_enable (vlib_main_t * vm)
{
- tcp_main_t *tm = vnet_get_tcp_main ();
vlib_thread_main_t *vtm = vlib_get_thread_main ();
+ u32 num_threads, n_workers, prealloc_conn_per_wrk;
+ tcp_connection_t *tc __attribute__ ((unused));
+ tcp_main_t *tm = vnet_get_tcp_main ();
clib_error_t *error = 0;
- u32 num_threads;
int thread;
- tcp_connection_t *tc __attribute__ ((unused));
- u32 preallocated_connections_per_thread;
if ((error = vlib_call_init_function (vm, ip_main_init)))
return error;
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 = tm->preallocated_connections / n_workers;
- /*
- * Preallocate connections. Assume that thread 0 won't
- * use preallocated threads when running multi-core
- */
- if (num_threads == 1)
+ for (thread = 0; thread < num_threads; thread++)
{
- thread = 0;
- preallocated_connections_per_thread = tm->preallocated_connections;
- }
- else
- {
- thread = 1;
- preallocated_connections_per_thread =
- tm->preallocated_connections / (num_threads - 1);
- }
- for (; thread < num_threads; thread++)
- {
- if (preallocated_connections_per_thread)
- pool_init_fixed (tm->connections[thread],
- preallocated_connections_per_thread);
+ vec_validate (tm->wrk_ctx[thread].pending_fast_rxt, 0);
+ vec_validate (tm->wrk_ctx[thread].ongoing_fast_rxt, 0);
+ vec_validate (tm->wrk_ctx[thread].postponed_fast_rxt, 0);
+ vec_reset_length (tm->wrk_ctx[thread].pending_fast_rxt);
+ vec_reset_length (tm->wrk_ctx[thread].ongoing_fast_rxt);
+ vec_reset_length (tm->wrk_ctx[thread].postponed_fast_rxt);
+ tm->wrk_ctx[thread].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);
}
/*
clib_spinlock_init (&tm->half_open_lock);
}
- vec_validate (tm->wrk_ctx, num_threads - 1);
tcp_initialize_timer_wheels (tm);
tm->bytes_per_buffer = vlib_buffer_free_list_buffer_size
tcp_connection_t _dummy_tc, *dummy_tc = &_dummy_tc;
sack_block_t *block;
+ if (!TCP_SCOREBOARD_TRACE)
+ {
+ s = format (s, "scoreboard tracing not enabled");
+ return s;
+ }
+
if (!tc)
return s;
#if TCP_SCOREBOARD_TRACE
trace = tc->sack_sb.trace;
trace_len = vec_len (tc->sack_sb.trace);
-#else
- trace = 0;
- trace_len = 0;
#endif
for (i = 0; i < trace_len; i++)
Code Review / vpp.git / blobdiff