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qcacld-3.0: add TX packet threshold for DP SWLM

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Add TX packet threshold while considering for TX write
coalescing. This helps improve low throughput TCP DL &
UL cases.

Change-Id: I9503a0b28a58dcaddbb08f3a98479bb31cd95285
CRs-Fixed: 2931051
This commit is contained in:
Manikanta Pubbisetty 2021-05-17 11:27:25 +05:30 committed by Madan Koyyalamudi
parent 8ac9fdb220
commit 0a138d0177
2 changed files with 18 additions and 8 deletions
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18
core/dp/txrx3.0/dp_swlm.c
View File

@ -37,23 +37,30 @@ static bool dp_swlm_is_tput_thresh_reached(struct dp_soc *soc)
{
struct dp_swlm *swlm = &soc->swlm;
static int prev_rx_bytes, prev_tx_bytes;
int rx_delta, tx_delta;
int rx_delta, tx_delta, tx_packet_delta;
static int prev_tx_packets;
bool result = false;
tx_delta = soc->stats.tx.egress.bytes - prev_tx_bytes;
prev_tx_bytes = soc->stats.tx.egress.bytes;
if (tx_delta > swlm->params.tcl.tx_traffic_thresh) {
swlm->params.tcl.sampling_session_tx_bytes = tx_delta;
return true;
result = true;
}
rx_delta = soc->stats.rx.ingress.bytes - prev_rx_bytes;
prev_rx_bytes = soc->stats.rx.ingress.bytes;
if (rx_delta > swlm->params.tcl.rx_traffic_thresh) {
if (!result && rx_delta > swlm->params.tcl.rx_traffic_thresh) {
swlm->params.tcl.sampling_session_tx_bytes = tx_delta;
return true;
result = true;
}
return false;
tx_packet_delta = soc->stats.tx.egress.num - prev_tx_packets;
prev_tx_packets = soc->stats.tx.egress.num;
if (tx_packet_delta < swlm->params.tcl.tx_pkt_thresh)
result = false;
return result;
}
/**
@ -200,6 +207,7 @@ static inline QDF_STATUS dp_soc_swlm_tcl_attach(struct dp_soc *soc)
swlm->params.tcl.time_flush_thresh = DP_SWLM_TCL_TIME_FLUSH_THRESH;
swlm->params.tcl.tx_thresh_multiplier =
DP_SWLM_TCL_TX_THRESH_MULTIPLIER;
swlm->params.tcl.tx_pkt_thresh = DP_SWLM_TCL_TX_PKT_THRESH;
qdf_timer_init(soc->osdev, &swlm->params.tcl.flush_timer,
dp_swlm_tcl_flush_timer, (void *)soc,

8
core/dp/txrx3.0/dp_swlm.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -21,8 +21,10 @@
#define DP_SWLM_TCL_TPUT_PASS_THRESH 3
#define DP_SWLM_TCL_RX_TRAFFIC_THRESH 50
#define DP_SWLM_TCL_TX_TRAFFIC_THRESH 50
#define DP_SWLM_TCL_RX_TRAFFIC_THRESH 50
#define DP_SWLM_TCL_TX_TRAFFIC_THRESH 50
#define DP_SWLM_TCL_TX_PKT_THRESH 2
/* Traffic test time is in us */
#define DP_SWLM_TCL_TRAFFIC_SAMPLING_TIME 250
#define DP_SWLM_TCL_TIME_FLUSH_THRESH 1000