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Searched refs:rtt_us (Results 1 – 20 of 20) sorted by relevance

/linux/net/ipv4/
H A Dtcp_illinois.c89 s32 rtt_us = sample->rtt_us; in tcp_illinois_acked() local
94 if (rtt_us < 0) in tcp_illinois_acked()
98 if (rtt_us > RTT_MAX) in tcp_illinois_acked()
99 rtt_us = RTT_MAX; in tcp_illinois_acked()
102 if (ca->base_rtt > rtt_us) in tcp_illinois_acked()
103 ca->base_rtt = rtt_us; in tcp_illinois_acked()
106 if (ca->max_rtt < rtt_us) in tcp_illinois_acked()
107 ca->max_rtt = rtt_us; in tcp_illinois_acked()
110 ca->sum_rtt += rtt_us; in tcp_illinois_acked()
H A Dtcp_recovery.c34 return tp->rack.rtt_us + reo_wnd - in tcp_rack_skb_timeout()
121 u32 rtt_us; tcp_rack_advance() local
H A Dtcp_nv.c251 if (sample->rtt_us < 0) in tcpnv_acked()
274 avg_rtt = (((u64)sample->rtt_us) * nv_rtt_factor + in tcpnv_acked()
278 avg_rtt = sample->rtt_us; in tcpnv_acked()
283 avg_rtt = sample->rtt_us; in tcpnv_acked()
H A Dtcp_cdg.c304 if (sample->rtt_us <= 0) in tcp_cdg_acked()
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()
325 ca->rtt.max = max(ca->rtt.max, sample->rtt_us); in tcp_cdg_acked()
H A Dtcp_veno.c79 if (sample->rtt_us < 0) in tcp_veno_pkts_acked()
83 vrtt = sample->rtt_us + 1; in tcp_veno_pkts_acked()
H A Dtcp_bbr.c271 u32 rtt_us; in bbr_init_pacing_rate_from_rtt() local
274 rtt_us = max(tp->srtt_us >> 3, 1U); in bbr_init_pacing_rate_from_rtt()
277 rtt_us = USEC_PER_MSEC; /* use nominal default RTT */ in bbr_init_pacing_rate_from_rtt()
280 do_div(bw, rtt_us); in bbr_init_pacing_rate_from_rtt()
950 if (rs->rtt_us >= 0 && in bbr_update_min_rtt()
951 (rs->rtt_us < bbr->min_rtt_us || in bbr_update_min_rtt()
953 bbr->min_rtt_us = rs->rtt_us; in bbr_update_min_rtt()
H A Dtcp_vegas.c116 if (sample->rtt_us < 0) in tcp_vegas_pkts_acked()
120 vrtt = sample->rtt_us + 1; in tcp_vegas_pkts_acked()
H A Dtcp_lp.c281 if (sample->rtt_us > 0) in tcp_lp_pkts_acked()
282 tcp_lp_rtt_sample(sk, sample->rtt_us); in tcp_lp_pkts_acked()
H A Dtcp_westwood.c108 if (sample->rtt_us > 0) in tcp_westwood_pkts_acked()
109 w->rtt = usecs_to_jiffies(sample->rtt_us); in tcp_westwood_pkts_acked()
H A Dtcp_htcp.c112 if (sample->rtt_us > 0) in measure_achieved_throughput()
113 measure_rtt(sk, usecs_to_jiffies(sample->rtt_us)); in measure_achieved_throughput()
H A Dtcp_input.c832 u32 new_sample, old_sample = tp->rcv_rtt_est.rtt_us; in tcp_rcv_rtt_update()
856 tp->rcv_rtt_est.rtt_us = new_sample; in tcp_rcv_rtt_update()
917 u32 rtt_threshold, rtt_us; in tcp_rcvbuf_grow() local
930 rtt_us = tp->rcv_rtt_est.rtt_us >> 3; in tcp_rcvbuf_grow()
932 if (rtt_us < rtt_threshold) { in tcp_rcvbuf_grow()
937 grow = div_u64((u64)rcvwin * rtt_us, rtt_threshold); in tcp_rcvbuf_grow()
968 if (unlikely(!tp->rcv_rtt_est.rtt_us)) in tcp_rcv_space_adjust()
976 if (time < (tp->rcv_rtt_est.rtt_us >> 3)) in tcp_rcv_space_adjust()
1586 u32 rtt_us; in tcp_rack_advance() local
1588 rtt_us = tcp_stamp_us_delta(tp->tcp_mstamp, xmit_time); in tcp_rack_advance()
[all …]
H A Dtcp.c4336 info->tcpi_rcv_rtt = tp->rcv_rtt_est.rtt_us >> 3; in tcp_get_info()
/linux/fs/afs/
H A Dvl_probe.c53 unsigned int rtt_us = 0; in afs_vlserver_probe_result() local
119 rtt_us = rxrpc_kernel_get_srtt(addr->peer); in afs_vlserver_probe_result()
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()
134 trace_afs_vl_probe(server, false, alist, index, call->error, call->abort_code, rtt_us); in afs_vlserver_probe_result()
137 rtt_us, ret); in afs_vlserver_probe_result()
H A Dfs_probe.c145 unsigned int rtt_us = -1, cap0; in afs_fileserver_probe_result() local
211 rtt_us = rxrpc_kernel_get_srtt(addr->peer); in afs_fileserver_probe_result()
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()
225 trace_afs_fs_probe(server, false, estate, index, call->error, call->abort_code, rtt_us); in afs_fileserver_probe_result()
229 rtt_us, ret); in afs_fileserver_probe_result()
/linux/include/trace/events/
H A Dafs.h1669 unsigned int addr_index, int error, s32 abort_code, unsigned int rtt_us),
1671 TP_ARGS(server, tx, estate, addr_index, error, abort_code, rtt_us),
1680 __field(unsigned int, rtt_us)
1692 __entry->rtt_us = rtt_us;
1699 __entry->addr_index, __entry->error, __entry->abort_code, __entry->rtt_us,
1705 unsigned int addr_index, int error, s32 abort_code, unsigned int rtt_us),
1707 TP_ARGS(server, tx, alist, addr_index, error, abort_code, rtt_us),
1716 __field(unsigned int, rtt_us)
1726 __entry->rtt_us = rtt_us;
1733 __entry->error, __entry->abort_code, __entry->rtt_us,
H A Dtcp.h215 __field(__u32, rtt_us)
242 __entry->rtt_us = tp->rcv_rtt_est.rtt_us >> 3;
272 TP_printk("time=%u rtt_us=%u copied=%u inq=%u space=%u ooo=%u scaling_ratio=%u rcvbuf=%u "
276 __entry->time, __entry->rtt_us, __entry->copied,
/linux/tools/testing/selftests/bpf/progs/
H A Dbpf_cubic.c504 if (sample->rtt_us < 0) in BPF_PROG()
511 delay = sample->rtt_us; in BPF_PROG()
/linux/net/mptcp/
H A Dprotocol.c2077 msk->rcvq_space.rtt_us = 0; in mptcp_rcv_space_init()
2096 u64 rtt_us, mstamp; in mptcp_rcv_space_adjust() local
2111 rtt_us = msk->rcvq_space.rtt_us; in mptcp_rcv_space_adjust()
2112 if (rtt_us && time < (rtt_us >> 3)) in mptcp_rcv_space_adjust()
2115 rtt_us = 0; in mptcp_rcv_space_adjust()
2123 sf_rtt_us = READ_ONCE(tp->rcv_rtt_est.rtt_us); in mptcp_rcv_space_adjust()
2126 rtt_us = max(sf_rtt_us, rtt_us); in mptcp_rcv_space_adjust()
2131 msk->rcvq_space.rtt_us = rtt_us; in mptcp_rcv_space_adjust()
2133 if (time < (rtt_us >> 3) || rtt_us == 0) in mptcp_rcv_space_adjust()
H A Dprotocol.h347 u64 rtt_us; /* last maximum rtt of subflows */ member
/linux/include/net/
H A Dtcp.h1244 s32 rtt_us; member
1265 long rtt_us; /* RTT of last (S)ACKed packet (or -1) */ member