[PATCH v3 06/13] wifi: ath12k: fix firmware assert during insmod in memory segment mode

[Jeff Johnson]

On 1/28/2024 10:57 PM, Raj Kumar Bhagat wrote:
> From: Aaradhana Sahu <quic_aarasahu at quicinc.com>
> 
> 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
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> Signed-off-by: Aaradhana Sahu <quic_aarasahu at quicinc.com>
> Co-developed-by: Raj Kumar Bhagat <quic_rajkbhag at quicinc.com>
> Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag at quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>