| /net/ipv4/ |
| D | tcp_cdg.c | 80 struct cdg_minmax rtt; member
145 ca->delay_min = min_not_zero(ca->delay_min, ca->rtt.min); in tcp_cdg_hystart_update()
178 if (ca->rtt.min > thresh) { in tcp_cdg_hystart_update()
192 s32 gmin = ca->rtt.min - ca->rtt_prev.min; in tcp_cdg_grad()
193 s32 gmax = ca->rtt.max - ca->rtt_prev.max; in tcp_cdg_grad()
272 if (after(ack, ca->rtt_seq) && ca->rtt.v64) { in tcp_cdg_cong_avoid()
278 ca->rtt_prev = ca->rtt; in tcp_cdg_cong_avoid()
279 ca->rtt.v64 = 0; in tcp_cdg_cong_avoid()
316 ca->rtt.min = min(ca->rtt.min, sample->rtt_us); in tcp_cdg_acked()
324 ca->rtt.min = min_not_zero(ca->rtt.min, sample->rtt_us); in tcp_cdg_acked()
[all …]
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| D | tcp_westwood.c | 40 u32 rtt; member
71 w->rtt_min = w->rtt = TCP_WESTWOOD_INIT_RTT; in tcp_westwood_init()
109 w->rtt = usecs_to_jiffies(sample->rtt_us); in tcp_westwood_pkts_acked()
140 if (w->rtt && delta > max_t(u32, w->rtt, TCP_WESTWOOD_RTT_MIN)) { in westwood_update_window()
151 w->rtt_min = w->rtt; in update_rtt_min()
154 w->rtt_min = min(w->rtt, w->rtt_min); in update_rtt_min()
270 info->vegas.tcpv_rtt = jiffies_to_usecs(ca->rtt); in tcp_westwood_info()
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| D | tcp_yeah.c | 114 u32 rtt, queue; in tcp_yeah_cong_avoid() local
128 rtt = yeah->vegas.minRTT; in tcp_yeah_cong_avoid()
134 bw *= rtt - yeah->vegas.baseRTT; in tcp_yeah_cong_avoid()
135 do_div(bw, rtt); in tcp_yeah_cong_avoid()
139 rtt - yeah->vegas.baseRTT > (yeah->vegas.baseRTT / TCP_YEAH_PHY)) { in tcp_yeah_cong_avoid()
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| D | tcp_vegas.c | 198 u32 rtt, diff; in tcp_vegas_cong_avoid() local
212 rtt = vegas->minRTT; in tcp_vegas_cong_avoid()
221 do_div(target_cwnd, rtt); in tcp_vegas_cong_avoid()
227 diff = tcp_snd_cwnd(tp) * (rtt-vegas->baseRTT) / vegas->baseRTT; in tcp_vegas_cong_avoid()
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| D | tcp_veno.c | 141 u32 rtt; in tcp_veno_cong_avoid() local
147 rtt = veno->minrtt; in tcp_veno_cong_avoid()
151 do_div(target_cwnd, rtt); in tcp_veno_cong_avoid()
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| D | tcp_metrics.c | 347 unsigned long rtt; in tcp_update_metrics() local
371 rtt = tcp_metric_get(tm, TCP_METRIC_RTT); in tcp_update_metrics()
372 m = rtt - tp->srtt_us; in tcp_update_metrics()
380 rtt = tp->srtt_us; in tcp_update_metrics()
382 rtt -= (m >> 3); in tcp_update_metrics()
383 tcp_metric_set(tm, TCP_METRIC_RTT, rtt); in tcp_update_metrics()
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| D | tcp_lp.c | 227 static void tcp_lp_rtt_sample(struct sock *sk, u32 rtt) in tcp_lp_rtt_sample() argument
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| D | tcp_input.c | 5612 unsigned long rtt, delay; in __tcp_ack_snd_check() local
5655 rtt = tp->rcv_rtt_est.rtt_us; in __tcp_ack_snd_check()
5656 if (tp->srtt_us && tp->srtt_us < rtt) in __tcp_ack_snd_check()
5657 rtt = tp->srtt_us; in __tcp_ack_snd_check()
5661 rtt * (NSEC_PER_USEC >> 3)/20); in __tcp_ack_snd_check()
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| D | tcp_output.c | 4059 int rtt = max_t(int, usecs_to_jiffies(tp->srtt_us >> 3), in tcp_send_delayed_ack() local
4062 if (rtt < max_ato) in tcp_send_delayed_ack()
4063 max_ato = rtt; in tcp_send_delayed_ack()
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| /net/ax25/ |
| D | ax25_subr.c | 239 ax25->t1 = t * ax25->rtt; in ax25_calculate_t1()
251 ax25->rtt = (9 * ax25->rtt + ax25->t1 - ax25_display_timer(&ax25->t1timer)) / 10; in ax25_calculate_rtt()
253 if (ax25->rtt < AX25_T1CLAMPLO) in ax25_calculate_rtt()
254 ax25->rtt = AX25_T1CLAMPLO; in ax25_calculate_rtt()
256 if (ax25->rtt > AX25_T1CLAMPHI) in ax25_calculate_rtt()
257 ax25->rtt = AX25_T1CLAMPHI; in ax25_calculate_rtt()
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| D | af_ax25.c | 420 ax25->rtt = (ax25_ctl.arg * HZ) / 2; in ax25_ctl_ioctl()
472 ax25->rtt = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T1]) / 2; in ax25_fillin_cb_from_dev()
506 ax25->rtt = msecs_to_jiffies(AX25_DEF_T1) / 2; in ax25_fillin_cb()
598 ax25->rtt = (opt * HZ) >> 1; in ax25_setsockopt()
955 ax25->rtt = oax25->rtt; in ax25_make_new()
1983 ax25->rtt / HZ, in ax25_info_show()
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| /net/sctp/ |
| D | transport.c | 488 void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt) in sctp_transport_update_rto() argument
508 + (((__u32)abs((__s64)tp->srtt - (__s64)rtt)) >> net->sctp.rto_beta); in sctp_transport_update_rto()
510 + (rtt >> net->sctp.rto_alpha); in sctp_transport_update_rto()
515 tp->srtt = rtt; in sctp_transport_update_rto()
516 tp->rttvar = rtt >> 1; in sctp_transport_update_rto()
541 tp->rtt = rtt; in sctp_transport_update_rto()
549 __func__, tp, rtt, tp->srtt, tp->rttvar, tp->rto); in sctp_transport_update_rto()
714 transport->rtt)) { in sctp_transport_lower_cwnd()
810 t->rtt = 0; in sctp_transport_reset()
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| D | outqueue.c | 1447 __u32 rtt; in sctp_check_transmitted() local
1501 rtt = jiffies - tchunk->sent_at; in sctp_check_transmitted()
1503 rtt); in sctp_check_transmitted()
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| D | socket.c | 649 trans->rtt = trans->srtt = trans->rttvar = 0; in sctp_send_asconf_add_ip()
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| /net/rxrpc/ |
| D | sendmsg.c | 132 signed long rtt, timeout; in rxrpc_wait_for_tx_window_waitall() local
134 rtt = READ_ONCE(call->peer->srtt_us) >> 3; in rxrpc_wait_for_tx_window_waitall()
135 rtt = usecs_to_jiffies(rtt) * 2; in rxrpc_wait_for_tx_window_waitall()
136 if (rtt < 2) in rxrpc_wait_for_tx_window_waitall()
137 rtt = 2; in rxrpc_wait_for_tx_window_waitall()
139 timeout = rtt; in rxrpc_wait_for_tx_window_waitall()
156 timeout = rtt; in rxrpc_wait_for_tx_window_waitall()
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| D | Makefile | 30 rtt.o \
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| D | input.c | 192 ktime_t rtt, now; in rxrpc_congestion_degrade() local
200 rtt = ns_to_ktime(call->peer->srtt_us * (1000 / 8)); in rxrpc_congestion_degrade()
202 if (!ktime_before(ktime_add(call->tx_last_sent, rtt), now)) in rxrpc_congestion_degrade()
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| /net/batman-adv/ |
| D | tp_meter.c | 636 u32 rtt, recv_ack, cwnd; in batadv_tp_recv_ack() local
667 rtt = jiffies_to_msecs(jiffies) - ntohl(icmp->timestamp); in batadv_tp_recv_ack()
668 if (icmp->timestamp && rtt) in batadv_tp_recv_ack()
669 batadv_tp_update_rto(tp_vars, rtt); in batadv_tp_recv_ack()
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| /net/sunrpc/ |
| D | xprt.c | 1195 struct rpc_rtt *rtt = task->tk_client->cl_rtt; in xprt_update_rtt() local
1201 rpc_update_rtt(rtt, timer, m); in xprt_update_rtt()
1202 rpc_set_timeo(rtt, timer, req->rq_ntrans - 1); in xprt_update_rtt()
1278 struct rpc_rtt *rtt = clnt->cl_rtt; in xprt_wait_for_reply_request_rtt() local
1283 timeout = rpc_calc_rto(rtt, timer); in xprt_wait_for_reply_request_rtt()
1284 timeout <<= rpc_ntimeo(rtt, timer) + req->rq_retries; in xprt_wait_for_reply_request_rtt()
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