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Searched refs:rtt (Results 1 – 25 of 71) sorted by relevance

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/linux/net/ipv4/
H A Dtcp_westwood.c40 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()
H A Dtcp_yeah.c114 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()
H A Dtcp_vegas.c198 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()
H A Dtcp_veno.c141 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()
/linux/fs/afs/
H A Dvl_probe.c21 server->rtt = UINT_MAX; in afs_finished_vl_probe()
120 if (rtt_us < server->probe.rtt) { in afs_vlserver_probe_result()
121 server->probe.rtt = rtt_us; in afs_vlserver_probe_result()
122 server->rtt = rtt_us; in afs_vlserver_probe_result()
169 server->probe.rtt = UINT_MAX; in afs_do_probe_vlserver()
233 unsigned int rtt = UINT_MAX, rtt_s; in afs_wait_for_vl_probes() local
289 rtt_s = READ_ONCE(server->rtt); in afs_wait_for_vl_probes()
291 rtt_s < rtt) { in afs_wait_for_vl_probes()
293 rtt = rtt_s; in afs_wait_for_vl_probes()
H A Dfs_probe.c86 server->rtt = UINT_MAX; in afs_finished_fs_probe()
212 if (rtt_us < estate->rtt) { in afs_fileserver_probe_result()
213 estate->rtt = rtt_us; in afs_fileserver_probe_result()
214 server->rtt = rtt_us; in afs_fileserver_probe_result()
253 estate->rtt = UINT_MAX; in afs_fs_probe_fileserver()
/linux/samples/bpf/
H A Dhbm_kern.h75 int rtt; member
95 pkti->rtt = tp->srtt_us >> 3; in get_tcp_info()
103 pkti->rtt = 0; in get_tcp_info()
115 pkti->rtt = 0; in hbm_get_pkt_info()
192 if (pkti->rtt) in hbm_update_stats()
194 pkti->rtt); in hbm_update_stats()
/linux/net/ax25/
H A Dax25_subr.c239 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()
H A Daf_ax25.c420 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()
966 ax25->rtt = oax25->rtt; in ax25_make_new()
1959 * magic dev src_addr dest_addr,digi1,digi2,.. st vs vr va t1 t1 t2 t2 t3 t3 idle idle n2 n2 rtt window paclen Snd-Q Rcv-Q inode in ax25_info_show()
1984 ax25->rtt / HZ, in ax25_info_show()
/linux/net/sctp/
H A Dtransport.c481 void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt) in sctp_transport_update_rto() argument
504 + (((__u32)abs((__s64)tp->srtt - (__s64)rtt)) >> rto_beta); in sctp_transport_update_rto()
508 + (rtt >> rto_alpha); in sctp_transport_update_rto()
513 tp->srtt = rtt; in sctp_transport_update_rto()
514 tp->rttvar = rtt >> 1; in sctp_transport_update_rto()
539 tp->rtt = rtt; in sctp_transport_update_rto()
547 __func__, tp, rtt, tp->srtt, tp->rttvar, tp->rto); in sctp_transport_update_rto()
712 transport->rtt)) { in sctp_transport_lower_cwnd()
808 t->rtt = 0; in sctp_transport_reset()
/linux/drivers/rtc/
H A Drtc-at91sam9.c69 void __iomem *rtt; member
82 readl((rtc)->rtt + AT91_RTT_ ## field)
84 writel((val), (rtc)->rtt + AT91_RTT_ ## field)
360 rtc->rtt = devm_platform_ioremap_resource(pdev, 0); in at91_rtc_probe()
361 if (IS_ERR(rtc->rtt)) in at91_rtc_probe()
362 return PTR_ERR(rtc->rtt); in at91_rtc_probe()
/linux/net/rxrpc/
H A Dsendmsg.c135 signed long rtt, timeout; in rxrpc_wait_for_tx_window_waitall() local
137 rtt = READ_ONCE(call->srtt_us) >> 3; in rxrpc_wait_for_tx_window_waitall()
138 rtt = usecs_to_jiffies(rtt) * 2; in rxrpc_wait_for_tx_window_waitall()
139 if (rtt < 2) in rxrpc_wait_for_tx_window_waitall()
140 rtt = 2; in rxrpc_wait_for_tx_window_waitall()
142 timeout = rtt; in rxrpc_wait_for_tx_window_waitall()
159 timeout = rtt; in rxrpc_wait_for_tx_window_waitall()
/linux/drivers/net/wireless/intel/iwlwifi/mvm/
H A Dftm-initiator.c1103 s64 rtt_avg, rtt = res->ftm.rtt_avg; in iwl_mvm_ftm_rtt_smoothing() local
1110 WARN_ON(rtt < 0); in iwl_mvm_ftm_rtt_smoothing()
1134 resp->rtt_avg = rtt; in iwl_mvm_ftm_rtt_smoothing()
1143 resp->rtt_avg = rtt; in iwl_mvm_ftm_rtt_smoothing()
1155 rtt_avg = div_s64(alpha * rtt + (100 - alpha) * resp->rtt_avg, 100); in iwl_mvm_ftm_rtt_smoothing()
1159 resp->addr, resp->rtt_avg, rtt_avg, rtt); in iwl_mvm_ftm_rtt_smoothing()
1168 if (rtt_avg > rtt && (rtt_avg - rtt) > undershoot) { in iwl_mvm_ftm_rtt_smoothing()
1173 (rtt_avg - rtt)); in iwl_mvm_ftm_rtt_smoothing()
1174 } else if (rtt_avg < rtt && (rtt - rtt_avg) > in iwl_mvm_ftm_rtt_smoothing()
1179 (rtt - rtt_avg)); in iwl_mvm_ftm_rtt_smoothing()
[all …]
/linux/arch/arm/boot/dts/microchip/
H A Dat91sam9260ek.dts117 atmel,wakeup-rtt-timer;
121 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
H A Dusb_a9260.dts19 atmel,wakeup-rtt-timer;
H A Dat91sam9g20ek_common.dtsi131 atmel,wakeup-rtt-timer;
135 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
H A Dusb_a9263.dts72 atmel,wakeup-rtt-timer;
H A Dat91-sama7d65_curiosity.dts435 &rtt {
436 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
H A Dat91-qil_a9260.dts113 atmel,wakeup-rtt-timer;
/linux/arch/arc/kernel/
H A Dsetup.c297 int ap_num, ap_full, smart, rtt, n; in arc_cpu_mumbojumbo() local
342 rtt = bcr.ver ? 1 : 0; in arc_cpu_mumbojumbo()
344 if (ap.ver | smart | rtt) { in arc_cpu_mumbojumbo()
347 IS_AVAIL1(rtt, "RTT ")); in arc_cpu_mumbojumbo()
/linux/include/trace/events/
H A Drxrpc.h1609 u32 rtt, u32 srtt, u32 rto),
1611 TP_ARGS(call, why, slot, send_serial, resp_serial, rtt, srtt, rto),
1619 __field(u32, rtt)
1631 __entry->rtt = rtt;
1643 __entry->rtt,
1945 TP_PROTO(struct rxrpc_call *call, ktime_t since_last_tx, ktime_t rtt),
1947 TP_ARGS(call, since_last_tx, rtt),
1957 __field(ktime_t, rtt)
1969 __entry->rtt = rtt;
1981 ktime_to_us(__entry->rtt),
/linux/drivers/nvdimm/
H A Dbtt.h188 u32 *rtt; member
/linux/net/batman-adv/
H A Dtp_meter.c636 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()
/linux/include/scsi/
H A Discsi_proto.h281 itt_t rtt; /* Reference Task Tag */ member
313 itt_t rtt; /* Reference Task Tag */ member
/linux/drivers/infiniband/hw/bnxt_re/
H A Ddebugfs.c174 *val = ccparam->rtt; in map_cc_config_offset_gen0_ext0()
253 ccparam->rtt = val; in bnxt_re_fill_gen0_ext0()

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