| /Linux-v5.4/net/ipv4/ |
| D | tcp_bic.c | 83 static inline void bictcp_update(struct bictcp *ca, u32 cwnd) in bictcp_update() argument
85 if (ca->last_cwnd == cwnd && in bictcp_update()
89 ca->last_cwnd = cwnd; in bictcp_update()
96 if (cwnd <= low_window) { in bictcp_update()
97 ca->cnt = cwnd; in bictcp_update()
102 if (cwnd < ca->last_max_cwnd) { in bictcp_update()
103 __u32 dist = (ca->last_max_cwnd - cwnd) in bictcp_update()
108 ca->cnt = cwnd / max_increment; in bictcp_update()
111 ca->cnt = (cwnd * smooth_part) / BICTCP_B; in bictcp_update()
114 ca->cnt = cwnd / dist; in bictcp_update()
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| D | tcp_cubic.c | 225 static inline void bictcp_update(struct bictcp *ca, u32 cwnd, u32 acked) in bictcp_update() argument
232 if (ca->last_cwnd == cwnd && in bictcp_update()
243 ca->last_cwnd = cwnd; in bictcp_update()
249 ca->tcp_cwnd = cwnd; /* syn with cubic */ in bictcp_update()
251 if (ca->last_max_cwnd <= cwnd) { in bictcp_update()
253 ca->bic_origin_point = cwnd; in bictcp_update()
259 * (ca->last_max_cwnd - cwnd)); in bictcp_update()
297 if (bic_target > cwnd) { in bictcp_update()
298 ca->cnt = cwnd / (bic_target - cwnd); in bictcp_update()
300 ca->cnt = 100 * cwnd; /* very small increment*/ in bictcp_update()
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| D | tcp_highspeed.c | 17 unsigned int cwnd; member
130 if (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd) { in hstcp_cong_avoid()
131 while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd && in hstcp_cong_avoid()
134 } else if (ca->ai && tp->snd_cwnd <= hstcp_aimd_vals[ca->ai-1].cwnd) { in hstcp_cong_avoid()
135 while (ca->ai && tp->snd_cwnd <= hstcp_aimd_vals[ca->ai-1].cwnd) in hstcp_cong_avoid()
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| D | tcp_bbr.c | 391 static u32 bbr_quantization_budget(struct sock *sk, u32 cwnd) in bbr_quantization_budget() argument
396 cwnd += 3 * bbr_tso_segs_goal(sk); in bbr_quantization_budget()
399 cwnd = (cwnd + 1) & ~1U; in bbr_quantization_budget()
403 cwnd += 2; in bbr_quantization_budget()
405 return cwnd; in bbr_quantization_budget()
482 u32 cwnd = tp->snd_cwnd; in bbr_set_cwnd_to_recover_or_restore() local
489 cwnd = max_t(s32, cwnd - rs->losses, 1); in bbr_set_cwnd_to_recover_or_restore()
496 cwnd = tcp_packets_in_flight(tp) + acked; in bbr_set_cwnd_to_recover_or_restore()
499 cwnd = max(cwnd, bbr->prior_cwnd); in bbr_set_cwnd_to_recover_or_restore()
505 *new_cwnd = max(cwnd, tcp_packets_in_flight(tp) + acked); in bbr_set_cwnd_to_recover_or_restore()
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| D | tcp_cong.c | 396 u32 cwnd = min(tp->snd_cwnd + acked, tp->snd_ssthresh); in tcp_slow_start() local
398 acked -= cwnd - tp->snd_cwnd; in tcp_slow_start()
399 tp->snd_cwnd = min(cwnd, tp->snd_cwnd_clamp); in tcp_slow_start()
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| D | tcp_output.c | 141 u32 cwnd = tp->snd_cwnd; in tcp_cwnd_restart() local
146 restart_cwnd = min(restart_cwnd, cwnd); in tcp_cwnd_restart()
148 while ((delta -= inet_csk(sk)->icsk_rto) > 0 && cwnd > restart_cwnd) in tcp_cwnd_restart()
149 cwnd >>= 1; in tcp_cwnd_restart()
150 tp->snd_cwnd = max(cwnd, restart_cwnd); in tcp_cwnd_restart()
1794 u32 in_flight, cwnd, halfcwnd; in tcp_cwnd_test() local
1802 cwnd = tp->snd_cwnd; in tcp_cwnd_test()
1803 if (in_flight >= cwnd) in tcp_cwnd_test()
1809 halfcwnd = max(cwnd >> 1, 1U); in tcp_cwnd_test()
1810 return min(halfcwnd, cwnd - in_flight); in tcp_cwnd_test()
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| D | Kconfig | 540 coalescence. In addition, it will decrease its cwnd multiplicatively
543 Note that in general congestion avoidance (cwnd decreased when # packets
544 queued grows) cannot coexist with congestion control (cwnd decreased only
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| /Linux-v5.4/net/sctp/ |
| D | transport.c | 401 __u32 cwnd, ssthresh, flight_size, pba, pmtu; in sctp_transport_raise_cwnd() local
403 cwnd = transport->cwnd; in sctp_transport_raise_cwnd()
415 if (cwnd <= ssthresh) { in sctp_transport_raise_cwnd()
438 if (flight_size < cwnd) in sctp_transport_raise_cwnd()
442 cwnd += pmtu; in sctp_transport_raise_cwnd()
444 cwnd += bytes_acked; in sctp_transport_raise_cwnd()
448 __func__, transport, bytes_acked, cwnd, ssthresh, in sctp_transport_raise_cwnd()
474 if (pba > cwnd && flight_size < cwnd) in sctp_transport_raise_cwnd()
475 pba = cwnd; in sctp_transport_raise_cwnd()
476 if (pba >= cwnd && flight_size >= cwnd) { in sctp_transport_raise_cwnd()
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| D | output.c | 694 flight_size >= transport->cwnd) in sctp_packet_can_append_data()
824 psize + chunk_len > (packet->transport->cwnd >> 1)) in sctp_packet_will_fit()
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| D | outqueue.c | 526 transport->cwnd, transport->ssthresh, transport->flight_size, in sctp_retransmit_mark()
1731 transport->cwnd, transport->ssthresh, in sctp_mark_missing()
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| D | associola.c | 681 peer->cwnd = min(4*asoc->pathmtu, max_t(__u32, 2*asoc->pathmtu, 4380)); in sctp_assoc_add_peer()
807 transport->cwnd = asoc->pathmtu; in sctp_assoc_control_transport()
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| /Linux-v5.4/samples/bpf/ |
| D | hbm_kern.h | 79 int cwnd; member
99 pkti->cwnd = tp->snd_cwnd; in get_tcp_info()
107 pkti->cwnd = 0; in get_tcp_info()
119 pkti->cwnd = 0; in hbm_get_pkt_info()
192 if (pkti->cwnd) { in hbm_update_stats()
194 pkti->cwnd); in hbm_update_stats()
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| /Linux-v5.4/net/batman-adv/ |
| D | tp_meter.c | 147 if (tp_vars->cwnd <= tp_vars->ss_threshold) { in batadv_tp_update_cwnd()
149 tp_vars->cwnd = batadv_tp_cwnd(tp_vars->cwnd, mss, mss); in batadv_tp_update_cwnd()
156 ((mss * mss) << 6) / (tp_vars->cwnd << 3)); in batadv_tp_update_cwnd()
162 tp_vars->cwnd = batadv_tp_cwnd(tp_vars->cwnd, mss, mss); in batadv_tp_update_cwnd()
413 tp_vars->cwnd, tp_vars->ss_threshold); in batadv_tp_sender_end()
504 tp_vars->ss_threshold = tp_vars->cwnd >> 1; in batadv_tp_sender_timeout()
510 tp_vars->other_end, tp_vars->cwnd, tp_vars->ss_threshold, in batadv_tp_sender_timeout()
513 tp_vars->cwnd = BATADV_TP_PLEN * 3; in batadv_tp_sender_timeout()
631 u32 rtt, recv_ack, cwnd; in batadv_tp_recv_ack() local
695 tp_vars->ss_threshold = tp_vars->cwnd >> 1; in batadv_tp_recv_ack()
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| D | types.h | 1431 u32 cwnd; member
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| /Linux-v5.4/include/trace/events/ |
| D | sctp.h | 23 __field(__u32, cwnd)
35 __entry->cwnd = sp->cwnd;
45 __entry->ipaddr, __entry->state, __entry->cwnd,
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| /Linux-v5.4/net/rxrpc/ |
| D | input.c | 45 unsigned int cwnd = call->cong_cwnd; in rxrpc_congestion_management() local
55 cwnd = 1; in rxrpc_congestion_management()
56 if (cwnd >= call->cong_ssthresh && in rxrpc_congestion_management()
70 summary->cwnd = call->cong_cwnd; in rxrpc_congestion_management()
80 cwnd += 1; in rxrpc_congestion_management()
81 if (cwnd >= call->cong_ssthresh) { in rxrpc_congestion_management()
102 if (cumulative_acks >= cwnd) in rxrpc_congestion_management()
103 cwnd++; in rxrpc_congestion_management()
126 cwnd = call->cong_ssthresh + 3; in rxrpc_congestion_management()
135 cwnd += 1; in rxrpc_congestion_management()
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| D | ar-internal.h | 697 u8 cwnd; member
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| /Linux-v5.4/include/linux/qed/ |
| D | tcp_common.h | 118 __le32 cwnd; member
184 __le32 cwnd; member
264 __le32 cwnd; member
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| D | qed_iscsi_if.h | 101 u32 cwnd; member
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| /Linux-v5.4/net/sunrpc/ |
| D | xprt.c | 399 req->rq_task->tk_pid, xprt->cong, xprt->cwnd); in __xprt_get_cong()
498 unsigned long cwnd = xprt->cwnd; in xprt_adjust_cwnd() local
500 if (result >= 0 && cwnd <= xprt->cong) { in xprt_adjust_cwnd()
503 cwnd += (RPC_CWNDSCALE * RPC_CWNDSCALE + (cwnd >> 1)) / cwnd; in xprt_adjust_cwnd()
504 if (cwnd > RPC_MAXCWND(xprt)) in xprt_adjust_cwnd()
505 cwnd = RPC_MAXCWND(xprt); in xprt_adjust_cwnd()
508 cwnd >>= 1; in xprt_adjust_cwnd()
509 if (cwnd < RPC_CWNDSCALE) in xprt_adjust_cwnd()
510 cwnd = RPC_CWNDSCALE; in xprt_adjust_cwnd()
513 xprt->cong, xprt->cwnd, cwnd); in xprt_adjust_cwnd()
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| /Linux-v5.4/net/dccp/ccids/ |
| D | ccid2.c | 217 u32 cwnd = hc->tx_cwnd, restart_cwnd, in ccid2_cwnd_restart() local
221 hc->tx_ssthresh = max(hc->tx_ssthresh, (cwnd >> 1) + (cwnd >> 2)); in ccid2_cwnd_restart()
224 restart_cwnd = min(cwnd, iwnd); in ccid2_cwnd_restart()
226 while ((delta -= hc->tx_rto) >= 0 && cwnd > restart_cwnd) in ccid2_cwnd_restart()
227 cwnd >>= 1; in ccid2_cwnd_restart()
228 hc->tx_cwnd = max(cwnd, restart_cwnd); in ccid2_cwnd_restart()
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| /Linux-v5.4/net/sunrpc/xprtrdma/ |
| D | svc_rdma_backchannel.c | 76 xprt->cwnd = credits << RPC_CWNDSHIFT; in svc_rdma_handle_bc_reply()
244 xprt->cwnd = RPC_CWNDSHIFT; in xprt_rdma_bc_close()
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| D | transport.c | 432 xprt->cwnd = RPC_CWNDSHIFT; in xprt_rdma_close()
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| /Linux-v5.4/drivers/net/ethernet/qlogic/qed/ |
| D | qed_iscsi.c | 105 u32 cwnd; member
391 p_tcp->cwnd = cpu_to_le32(p_conn->cwnd); in qed_sp_iscsi_conn_offload()
460 p_tcp2->cwnd = cpu_to_le32(p_conn->cwnd); in qed_sp_iscsi_conn_offload()
1294 con->cwnd = conn_info->cwnd; in qed_iscsi_offload_conn()
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| /Linux-v5.4/include/linux/sunrpc/ |
| D | xprt.h | 33 #define RPCXPRT_CONGESTED(xprt) ((xprt)->cong >= (xprt)->cwnd)
196 unsigned long cwnd; /* congestion window */ member
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