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Re: [PATCH 07/13] wifi: ath12k: fix firmware assert during insmod in memory segment mode

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On 10/30/2023 3:26 PM, Raj Kumar Bhagat wrote:
From: Aaradhana Sahu <quic_aarasahu@xxxxxxxxxxx>

In segment memory mode, firmware allocates memory segments of size
2 MB. This 2 MB memory is used by firmware for the number of peers.
This number of peer is sent from host to firmware during WMI init
command. For single-phy the number of peers sent is
TARGET_NUM_PEERS_SINGLE = 529 (512 + 17). While for split-phy number
of peers sent to firmware is TARGET_NUM_PEERS_DBS = 2 *(512 + 17) =
1058. With this 1058 number of peers firmware is unable to allocate
memory in 2 MB segment and firmware crash is observed.

Hence, fix this firmware crash by reducing the number of stations
TARGET_NUM_STATIONS for split-phy.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00188-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Signed-off-by: Aaradhana Sahu <quic_aarasahu@xxxxxxxxxxx>
Co-developed-by: Raj Kumar Bhagat <quic_rajkbhag@xxxxxxxxxxx>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@xxxxxxxxxxx>

Acked-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>




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