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Searched refs:cwnd (Results 1 – 25 of 48) sorted by relevance

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/linux/net/ipv4/
H A Dtcp_bic.c83 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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H A Dtcp_highspeed.c17 unsigned int cwnd; member
130 if (tcp_snd_cwnd(tp) > hstcp_aimd_vals[ca->ai].cwnd) { in hstcp_cong_avoid()
131 while (tcp_snd_cwnd(tp) > hstcp_aimd_vals[ca->ai].cwnd && in hstcp_cong_avoid()
134 } else if (ca->ai && tcp_snd_cwnd(tp) <= hstcp_aimd_vals[ca->ai-1].cwnd) { in hstcp_cong_avoid()
135 while (ca->ai && tcp_snd_cwnd(tp) <= hstcp_aimd_vals[ca->ai-1].cwnd) in hstcp_cong_avoid()
H A Dtcp_bbr.c395 static u32 bbr_quantization_budget(struct sock *sk, u32 cwnd) in bbr_quantization_budget() argument
400 cwnd += 3 * bbr_tso_segs_goal(sk); in bbr_quantization_budget()
403 cwnd = (cwnd + 1) & ~1U; in bbr_quantization_budget()
407 cwnd += 2; in bbr_quantization_budget()
409 return cwnd; in bbr_quantization_budget()
486 u32 cwnd = tcp_snd_cwnd(tp); in bbr_set_cwnd_to_recover_or_restore() local
493 cwnd = max_t(s32, cwnd - rs->losses, 1); in bbr_set_cwnd_to_recover_or_restore()
500 cwnd = tcp_packets_in_flight(tp) + acked; in bbr_set_cwnd_to_recover_or_restore()
503 cwnd = max(cwnd, bbr->prior_cwnd); in bbr_set_cwnd_to_recover_or_restore()
509 *new_cwnd = max(cwnd, tcp_packets_in_flight(tp) + acked); in bbr_set_cwnd_to_recover_or_restore()
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/linux/net/sctp/
H A Dtransport.c557 __u32 cwnd, ssthresh, flight_size, pba, pmtu; in sctp_transport_raise_cwnd() local
559 cwnd = transport->cwnd; in sctp_transport_raise_cwnd()
571 if (cwnd <= ssthresh) { in sctp_transport_raise_cwnd()
594 if (flight_size < cwnd) in sctp_transport_raise_cwnd()
598 cwnd += pmtu; in sctp_transport_raise_cwnd()
600 cwnd += bytes_acked; in sctp_transport_raise_cwnd()
604 __func__, transport, bytes_acked, cwnd, ssthresh, in sctp_transport_raise_cwnd()
630 if (pba > cwnd && flight_size < cwnd) in sctp_transport_raise_cwnd()
631 pba = cwnd; in sctp_transport_raise_cwnd()
632 if (pba >= cwnd && flight_size >= cwnd) { in sctp_transport_raise_cwnd()
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/linux/tools/testing/selftests/bpf/progs/
H A Dbpf_cubic.c56 /* calculate the "K" for (wmax-cwnd) = c/rtt * K^3
57 * so K = cubic_root( (wmax-cwnd)*rtt/c )
64 * cwnd < 1 million packets
75 __u32 cnt; /* increase cwnd by 1 after ACKs */
85 __u32 tcp_cwnd; /* estimated tcp cwnd */
198 * Shift epoch_start to keep cwnd growth to cubic curve. in BPF_PROG()
265 static void bictcp_update(struct bpf_bictcp *ca, __u32 cwnd, __u32 acked) in cubic_root()
272 if (ca->last_cwnd == cwnd && in bictcp_update() argument
277 * On all cwnd reduction events, ca->epoch_start is set to 0, in bictcp_update()
283 ca->last_cwnd = cwnd; in bictcp_update()
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/linux/tools/testing/selftests/net/packetdrill/
H A Dtcp_slow_start_slow-start-ack-per-2pkt-send-5pkt.pkt3 // less than the current cwnd, and not big enough to bump up cwnd.
27 +0 %{ assert tcpi_snd_cwnd == 10, 'cwnd=%d' % tcpi_snd_cwnd }%
30 +0 %{ assert tcpi_snd_cwnd == 10, 'cwnd=%d' % tcpi_snd_cwnd }%
33 +0 %{ assert tcpi_snd_cwnd == 10, 'cwnd=%d' % tcpi_snd_cwnd }%
H A Dtcp_slow_start_slow-start-ack-per-2pkt-send-6pkt.pkt3 // less than the current cwnd, but still big enough that in slow
4 // start we want to increase our cwnd a little.
28 +0 %{ assert tcpi_snd_cwnd == 12, 'cwnd=%d' % tcpi_snd_cwnd }%
31 +0 %{ assert tcpi_snd_cwnd == 12, 'cwnd=%d' % tcpi_snd_cwnd }%
34 +0 %{ assert tcpi_snd_cwnd == 12, 'cwnd=%d' % tcpi_snd_cwnd }%
H A Dtcp_slow_start_slow-start-fq-ack-per-2pkt.pkt3 // the cwnd continues to grow, even if TSQ triggers.
41 // (FQ commit allows an application/cwnd limited flow to get at most quantum/2 extra credit)
63 +0 %{ assert tcpi_snd_cwnd == 20, 'cwnd=%d' % tcpi_snd_cwnd }%
H A Dtcp_slow_start_slow-start-app-limited-9-packets-out.pkt3 // with IW10, if we don't fully use our cwnd but instead
4 // send just 9 packets, then cwnd should grow to twice that
H A Dtcp_slow_start_slow-start-after-idle.pkt3 // This test expects tso size to be at least initial cwnd * mss
34 // If slow start after idle works properly, we should send 5 MSS here (cwnd/2)
H A Dtcp_slow_start_slow-start-app-limited.pkt3 // with IW10, if we send exactly 10 packets then cwnd should grow to 20.
H A Dtcp_slow_start_slow-start-ack-per-4pkt.pkt3 // the cwnd continues to grow.
H A Dtcp_slow_start_slow-start-ack-per-2pkt.pkt3 // the cwnd continues to grow.
H A Dtcp_slow_start_slow-start-after-win-update.pkt3 // This test expects tso size to be at least initial cwnd * mss
H A Dtcp_slow_start_slow-start-ack-per-1pkt.pkt3 // the cwnd continues to grow.
/linux/samples/bpf/
H A Dhbm_kern.h74 int cwnd; member
94 pkti->cwnd = tp->snd_cwnd; in get_tcp_info()
102 pkti->cwnd = 0; in get_tcp_info()
114 pkti->cwnd = 0; in hbm_get_pkt_info()
187 if (pkti->cwnd) { in hbm_update_stats()
189 pkti->cwnd); in hbm_update_stats()
/linux/net/batman-adv/
H A Dtp_meter.c148 if (tp_vars->cwnd <= tp_vars->ss_threshold) { in batadv_tp_update_cwnd()
150 tp_vars->cwnd = batadv_tp_cwnd(tp_vars->cwnd, mss, mss); in batadv_tp_update_cwnd()
157 ((mss * mss) << 6) / (tp_vars->cwnd << 3)); in batadv_tp_update_cwnd()
163 tp_vars->cwnd = batadv_tp_cwnd(tp_vars->cwnd, mss, mss); in batadv_tp_update_cwnd()
417 tp_vars->cwnd, tp_vars->ss_threshold); in batadv_tp_sender_end()
508 tp_vars->ss_threshold = tp_vars->cwnd >> 1; in batadv_tp_sender_timeout()
514 tp_vars->other_end, tp_vars->cwnd, tp_vars->ss_threshold, in batadv_tp_sender_timeout()
517 tp_vars->cwnd = BATADV_TP_PLEN * 3; in batadv_tp_sender_timeout()
636 u32 rtt, recv_ack, cwnd; in batadv_tp_recv_ack() local
699 tp_vars->ss_threshold = tp_vars->cwnd >> 1; in batadv_tp_recv_ack()
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/linux/include/trace/events/
H A Dsctp.h23 __field(__u32, cwnd)
35 __entry->cwnd = sp->cwnd;
45 __entry->ipaddr, __entry->state, __entry->cwnd,
/linux/include/linux/qed/
H A Dtcp_common.h92 __le32 cwnd; member
158 __le32 cwnd; member
238 __le32 cwnd; member
/linux/net/dccp/ccids/
H A Dccid2.c
/linux/net/sunrpc/
H A Dxprt.c565 unsigned long cwnd = xprt->cwnd; in xprt_adjust_cwnd() local
567 if (result >= 0 && cwnd <= xprt->cong) { in xprt_adjust_cwnd()
570 cwnd += (RPC_CWNDSCALE * RPC_CWNDSCALE + (cwnd >> 1)) / cwnd; in xprt_adjust_cwnd()
571 if (cwnd > RPC_MAXCWND(xprt)) in xprt_adjust_cwnd()
572 cwnd = RPC_MAXCWND(xprt); in xprt_adjust_cwnd()
575 cwnd >>= 1; in xprt_adjust_cwnd()
576 if (cwnd < RPC_CWNDSCALE) in xprt_adjust_cwnd()
577 cwnd = RPC_CWNDSCALE; in xprt_adjust_cwnd()
580 xprt->cong, xprt->cwnd, cwnd); in xprt_adjust_cwnd()
581 xprt->cwnd = cwnd; in xprt_adjust_cwnd()
[all …]
/linux/net/sunrpc/xprtrdma/
H A Dsvc_rdma_backchannel.c50 xprt->cwnd = credits << RPC_CWNDSHIFT; in svc_rdma_handle_bc_reply()
200 xprt->cwnd = RPC_CWNDSHIFT; in xprt_rdma_bc_close()
/linux/drivers/net/ethernet/qlogic/qed/
H A Dqed_nvmetcp.h73 u32 cwnd; member
H A Dqed_iscsi.c80 u32 cwnd; member
364 p_tcp->cwnd = cpu_to_le32(p_conn->cwnd); in qed_sp_iscsi_conn_offload()
439 p_tcp2->cwnd = cpu_to_le32(p_conn->cwnd); in qed_sp_iscsi_conn_offload()
1245 con->cwnd = conn_info->cwnd; in qed_iscsi_offload_conn()
H A Dqed_nvmetcp.c347 p_tcp->cwnd = cpu_to_le32(p_conn->cwnd); in qed_sp_nvmetcp_conn_offload()
715 con->cwnd = conn_info->cwnd; in qed_nvmetcp_offload_conn()

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