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Searched refs:rtt (Results 1 – 47 of 47) sorted by relevance

/linux-4.1.27/Documentation/devicetree/bindings/rtc/
Datmel,at91sam9-rtc.txt4 - compatible: should be: "atmel,at91sam9260-rtt"
6 - interrupts: rtt alarm/event interrupt
8 - atmel,rtt-rtc-time-reg: should encode the GPBR register used to store
17 rtt@fffffd20 {
18 compatible = "atmel,at91sam9260-rtt";
22 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
/linux-4.1.27/net/ipv4/
Dtcp_westwood.c39 u32 rtt; member
70 w->rtt_min = w->rtt = TCP_WESTWOOD_INIT_RTT; in tcp_westwood_init()
102 static void tcp_westwood_pkts_acked(struct sock *sk, u32 cnt, s32 rtt) in tcp_westwood_pkts_acked() argument
106 if (rtt > 0) in tcp_westwood_pkts_acked()
107 w->rtt = usecs_to_jiffies(rtt); in tcp_westwood_pkts_acked()
138 if (w->rtt && delta > max_t(u32, w->rtt, TCP_WESTWOOD_RTT_MIN)) { in westwood_update_window()
149 w->rtt_min = w->rtt; in update_rtt_min()
152 w->rtt_min = min(w->rtt, w->rtt_min); in update_rtt_min()
267 info->vegas.tcpv_rtt = jiffies_to_usecs(ca->rtt), in tcp_westwood_info()
Dtcp_illinois.c85 static void tcp_illinois_acked(struct sock *sk, u32 pkts_acked, s32 rtt) in tcp_illinois_acked() argument
92 if (rtt < 0) in tcp_illinois_acked()
96 if (rtt > RTT_MAX) in tcp_illinois_acked()
97 rtt = RTT_MAX; in tcp_illinois_acked()
100 if (ca->base_rtt > rtt) in tcp_illinois_acked()
101 ca->base_rtt = rtt; in tcp_illinois_acked()
104 if (ca->max_rtt < rtt) in tcp_illinois_acked()
105 ca->max_rtt = rtt; in tcp_illinois_acked()
108 ca->sum_rtt += rtt; in tcp_illinois_acked()
Dtcp_yeah.c131 u32 rtt, queue; in tcp_yeah_cong_avoid() local
145 rtt = yeah->vegas.minRTT; in tcp_yeah_cong_avoid()
151 bw *= rtt - yeah->vegas.baseRTT; in tcp_yeah_cong_avoid()
152 do_div(bw, rtt); in tcp_yeah_cong_avoid()
156 rtt - yeah->vegas.baseRTT > (yeah->vegas.baseRTT / TCP_YEAH_PHY)) { in tcp_yeah_cong_avoid()
Dtcp_vegas.c197 u32 rtt, diff; in tcp_vegas_cong_avoid() local
211 rtt = vegas->minRTT; in tcp_vegas_cong_avoid()
220 do_div(target_cwnd, rtt); in tcp_vegas_cong_avoid()
226 diff = tp->snd_cwnd * (rtt-vegas->baseRTT) / vegas->baseRTT; in tcp_vegas_cong_avoid()
Dtcp_veno.c139 u32 rtt; in tcp_veno_cong_avoid() local
145 rtt = veno->minrtt; in tcp_veno_cong_avoid()
149 do_div(target_cwnd, rtt); in tcp_veno_cong_avoid()
Dtcp_htcp.c102 u32 pkts_acked, s32 rtt) in measure_achieved_throughput() argument
112 if (rtt > 0) in measure_achieved_throughput()
113 measure_rtt(sk, usecs_to_jiffies(rtt)); in measure_achieved_throughput()
Dtcp_metrics.c389 unsigned long rtt; in tcp_update_metrics() local
415 rtt = tcp_metric_get(tm, TCP_METRIC_RTT); in tcp_update_metrics()
416 m = rtt - tp->srtt_us; in tcp_update_metrics()
424 rtt = tp->srtt_us; in tcp_update_metrics()
426 rtt -= (m >> 3); in tcp_update_metrics()
427 tcp_metric_set(tm, TCP_METRIC_RTT, rtt); in tcp_update_metrics()
Dtcp_bic.c200 static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt) in bictcp_acked() argument
Dtcp_lp.c220 static void tcp_lp_rtt_sample(struct sock *sk, u32 rtt) in tcp_lp_rtt_sample() argument
Dtcp_output.c2163 u32 rtt = usecs_to_jiffies(tp->srtt_us >> 3); in tcp_schedule_loss_probe() local
2196 timeout = rtt << 1; in tcp_schedule_loss_probe()
2199 (rtt + (rtt >> 1) + TCP_DELACK_MAX)); in tcp_schedule_loss_probe()
3302 int rtt = max_t(int, usecs_to_jiffies(tp->srtt_us >> 3), in tcp_send_delayed_ack() local
3305 if (rtt < max_ato) in tcp_send_delayed_ack()
3306 max_ato = rtt; in tcp_send_delayed_ack()
Dtcp_input.c491 u32 new_sample = tp->rcv_rtt_est.rtt; in tcp_rcv_rtt_update()
521 if (tp->rcv_rtt_est.rtt != new_sample) in tcp_rcv_rtt_update()
522 tp->rcv_rtt_est.rtt = new_sample; in tcp_rcv_rtt_update()
559 if (time < (tp->rcv_rtt_est.rtt >> 3) || tp->rcv_rtt_est.rtt == 0) in tcp_rcv_space_adjust()
Dtcp.c2664 info->tcpi_rcv_rtt = jiffies_to_usecs(tp->rcv_rtt_est.rtt)>>3; in tcp_get_info()
/linux-4.1.27/net/ax25/
Dax25_subr.c242 ax25->t1 = t * ax25->rtt; in ax25_calculate_t1()
254 ax25->rtt = (9 * ax25->rtt + ax25->t1 - ax25_display_timer(&ax25->t1timer)) / 10; in ax25_calculate_rtt()
256 if (ax25->rtt < AX25_T1CLAMPLO) in ax25_calculate_rtt()
257 ax25->rtt = AX25_T1CLAMPLO; in ax25_calculate_rtt()
259 if (ax25->rtt > AX25_T1CLAMPHI) in ax25_calculate_rtt()
260 ax25->rtt = AX25_T1CLAMPHI; in ax25_calculate_rtt()
Daf_ax25.c401 ax25->rtt = (ax25_ctl.arg * HZ) / 2; in ax25_ctl_ioctl()
452 ax25->rtt = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T1]) / 2; in ax25_fillin_cb_from_dev()
486 ax25->rtt = msecs_to_jiffies(AX25_DEF_T1) / 2; in ax25_fillin_cb()
578 ax25->rtt = (opt * HZ) >> 1; in ax25_setsockopt()
923 ax25->rtt = oax25->rtt; in ax25_make_new()
1906 ax25->rtt / HZ, in ax25_info_show()
/linux-4.1.27/net/sctp/
Dtransport.c314 void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt) in sctp_transport_update_rto() argument
334 + (((__u32)abs64((__s64)tp->srtt - (__s64)rtt)) >> net->sctp.rto_beta); in sctp_transport_update_rto()
336 + (rtt >> net->sctp.rto_alpha); in sctp_transport_update_rto()
341 tp->srtt = rtt; in sctp_transport_update_rto()
342 tp->rttvar = rtt >> 1; in sctp_transport_update_rto()
367 tp->rtt = rtt; in sctp_transport_update_rto()
375 __func__, tp, rtt, tp->srtt, tp->rttvar, tp->rto); in sctp_transport_update_rto()
530 transport->rtt)) { in sctp_transport_lower_cwnd()
624 t->rtt = 0; in sctp_transport_reset()
Doutqueue.c1309 __u32 rtt; in sctp_check_transmitted() local
1363 rtt = jiffies - tchunk->sent_at; in sctp_check_transmitted()
1365 rtt); in sctp_check_transmitted()
Dsocket.c595 trans->rtt = trans->srtt = trans->rttvar = 0; in sctp_send_asconf_add_ip()
/linux-4.1.27/drivers/rtc/
Drtc-at91sam9.c74 void __iomem *rtt; member
87 readl((rtc)->rtt + AT91_RTT_ ## field)
89 writel((val), (rtc)->rtt + AT91_RTT_ ## field)
387 rtc->rtt = devm_ioremap_resource(&pdev->dev, r); in at91_rtc_probe()
388 if (IS_ERR(rtc->rtt)) in at91_rtc_probe()
389 return PTR_ERR(rtc->rtt); in at91_rtc_probe()
/linux-4.1.27/drivers/target/iscsi/
Discsi_target_tmr.c48 ref_cmd = iscsit_find_cmd_from_itt(conn, hdr->rtt); in iscsit_tmr_abort_task()
51 " %hu.\n", hdr->rtt, conn->cid); in iscsit_tmr_abort_task()
63 se_tmr->ref_task_tag = (__force u32)hdr->rtt; in iscsit_tmr_abort_task()
127 hdr->itt, hdr->rtt, hdr->exp_datasn, conn->cid); in iscsit_tmr_task_reassign()
135 ret = iscsit_find_cmd_for_recovery(conn->sess, &ref_cmd, &cr, hdr->rtt); in iscsit_tmr_task_reassign()
142 " connection recovery command list.\n", hdr->rtt); in iscsit_tmr_task_reassign()
172 se_tmr->ref_task_tag = (__force u32)hdr->rtt; in iscsit_tmr_task_reassign()
Discsi_target.c1764 hdr->rtt, hdr->refcmdsn, conn->cid); in iscsit_handle_task_mgt_cmd()
1768 hdr->rtt != RESERVED_ITT)) { in iscsit_handle_task_mgt_cmd()
1770 hdr->rtt = RESERVED_ITT; in iscsit_handle_task_mgt_cmd()
/linux-4.1.27/net/decnet/
Ddn_nsp_out.c165 static void dn_nsp_rtt(struct sock *sk, long rtt) in dn_nsp_rtt() argument
177 if (rtt < 0) in dn_nsp_rtt()
178 rtt = -rtt; in dn_nsp_rtt()
182 delta = ((rtt << 3) - srtt); in dn_nsp_rtt()
/linux-4.1.27/arch/arm/boot/dts/
Dusb_a9260.dts28 atmel,wakeup-rtt-timer;
Dat91sam9g20ek_common.dtsi117 atmel,wakeup-rtt-timer;
121 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
Dusb_a9263.dts70 atmel,wakeup-rtt-timer;
Dat91-qil_a9260.dts110 atmel,wakeup-rtt-timer;
Dat91sam9m10g45ek.dts165 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
Dat91sam9263.dtsi958 compatible = "atmel,at91sam9260-rtt";
966 compatible = "atmel,at91sam9260-rtt";
Dat91sam9261.dtsi838 compatible = "atmel,at91sam9260-rtt";
Dat91sam9rl.dtsi1076 compatible = "atmel,at91sam9260-rtt";
Dat91sam9260.dtsi965 compatible = "atmel,at91sam9260-rtt";
Dat91sam9g45.dtsi1239 compatible = "atmel,at91sam9260-rtt";
/linux-4.1.27/arch/arc/kernel/
Dsetup.c124 cpu->extn.rtt = bcr.ver ? 1 : 0; in read_arc_build_cfg_regs()
126 cpu->extn.debug = cpu->extn.ap | cpu->extn.smart | cpu->extn.rtt; in read_arc_build_cfg_regs()
233 IS_AVAIL1(cpu->extn.rtt, "RTT ")); in arc_extn_mumbojumbo()
/linux-4.1.27/fs/gfs2/
Dlock_dlm.c79 s64 rtt; in gfs2_update_reply_times() local
82 rtt = ktime_to_ns(ktime_sub(ktime_get_real(), gl->gl_dstamp)); in gfs2_update_reply_times()
84 gfs2_update_stats(&gl->gl_stats, index, rtt); /* Local */ in gfs2_update_reply_times()
85 gfs2_update_stats(&lks->lkstats[gltype], index, rtt); /* Global */ in gfs2_update_reply_times()
88 trace_gfs2_glock_lock_time(gl, rtt); in gfs2_update_reply_times()
/linux-4.1.27/net/sunrpc/
Dxprt.c544 struct rpc_rtt *rtt = clnt->cl_rtt; in xprt_set_retrans_timeout_rtt() local
548 task->tk_timeout = rpc_calc_rto(rtt, timer); in xprt_set_retrans_timeout_rtt()
549 task->tk_timeout <<= rpc_ntimeo(rtt, timer) + req->rq_retries; in xprt_set_retrans_timeout_rtt()
825 struct rpc_rtt *rtt = task->tk_client->cl_rtt; in xprt_update_rtt() local
831 rpc_update_rtt(rtt, timer, m); in xprt_update_rtt()
832 rpc_set_timeo(rtt, timer, req->rq_ntrans - 1); in xprt_update_rtt()
/linux-4.1.27/Documentation/devicetree/bindings/arm/
Datmel-at91.txt127 - atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
131 - atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
/linux-4.1.27/include/scsi/
Discsi_proto.h292 itt_t rtt; /* Reference Task Tag */ member
324 itt_t rtt; /* Reference Task Tag */ member
/linux-4.1.27/drivers/net/wireless/ath/ath10k/
Drx_desc.h890 __le32 rtt; /* %RX_PPDU_END_RTT_ */ member
/linux-4.1.27/arch/arc/include/asm/
Darcregs.h330 debug:1, ap:1, smart:1, rtt:1, pad3:4, member
/linux-4.1.27/include/linux/
Dtcp.h296 u32 rtt; member
/linux-4.1.27/drivers/net/wireless/ath/ath9k/
Dar9003_calib.c1390 bool rtt = !!(ah->caps.hw_caps & ATH9K_HW_CAP_RTT); in ar9003_hw_init_cal_pcoem() local
1399 if (rtt) { in ar9003_hw_init_cal_pcoem()
1415 if (rtt) { in ar9003_hw_init_cal_pcoem()
1498 if (rtt && !run_rtt_cal) { in ar9003_hw_init_cal_pcoem()
/linux-4.1.27/include/net/
Dax25.h237 unsigned long t1, t2, t3, idle, rtt; member
/linux-4.1.27/net/rxrpc/
Dar-internal.h191 suseconds_t rtt; /* current RTT estimate (in uS) */ member
/linux-4.1.27/drivers/scsi/
Dlibiscsi.c314 task->hdr_itt == tmf->rtt) { in iscsi_check_tmf_restrictions()
2117 hdr->rtt = task->hdr_itt; in iscsi_prep_abort_task_pdu()
2258 hdr->rtt = RESERVED_ITT; in iscsi_prep_lun_reset_pdu()
2415 hdr->rtt = RESERVED_ITT; in iscsi_prep_tgt_reset_pdu()
/linux-4.1.27/include/net/sctp/
Dstructs.h806 __u32 rtt; /* This is the most recent RTT. */ member
/linux-4.1.27/drivers/block/aoe/
Daoecmd.c1049 calc_rttavg(struct aoedev *d, struct aoetgt *t, int rtt) in calc_rttavg() argument
1053 n = rtt; in calc_rttavg()
/linux-4.1.27/drivers/scsi/bnx2i/
Dbnx2i_hwi.c414 ctask = iscsi_itt_to_task(conn, tmfabort_hdr->rtt); in bnx2i_send_iscsi_tmf()
434 (tmfabort_hdr->rtt & ISCSI_ITT_MASK)); in bnx2i_send_iscsi_tmf()