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qcacld-3.0: Disable QCA_LL_TX_FLOW_CONTROL_V2 for QCS405

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Disable QCA_LL_TX_FLOW_CONTROL_V2 for QCS405, for SCC imbalance issue:
when there is a vdev running TCP RX traffic, another vdev is running
UDP/TCP TX, the UDP TX vdev will be paused/unpaused frequently and
interfered by the TCP RX vdev, which is sending few TCP ack frames and
it's never get paused, successfully sending TCP ack will trigger more
TCP data packets from peer which compete with the UDP TX vdev for channel
access. When disable QCA_LL_TX_FLOW_CONTROL_V2, no vdev could send
packets to firmware when the tx_desc is in shortage, which makes the
throughput between vdevs more balance.

Change-Id: I2c4a36dae9a81905e6b92a80db9703a7342742c8
CRs-Fixed: 2376550
This commit is contained in:
hangtian 2019-03-18 13:03:45 +08:00 • committed by nshrivas
commit 9a05f43a18
1 changed files with 4 additions and 0 deletions
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4
configs/default_defconfig
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@ -245,6 +245,10 @@ ifeq ($(CONFIG_ROME_IF), snoc)
CONFIG_WLAN_TX_FLOW_CONTROL_V2 := y
endif
ifeq ($(CONFIG_ARCH_QCS405), y)
CONFIG_WLAN_TX_FLOW_CONTROL_V2 := n
endif
# Flag to enable LFR Subnet Detection
CONFIG_LFR_SUBNET_DETECTION := y