Re: [PATCH ath-next] wifi: ath12k: limit WMI_SCAN_CHAN_LIST_CMDID argument size

From: Vasanthakumar Thiagarajan
Date: Thu Mar 13 2025 - 05:45:28 EST




On 3/10/2025 6:58 PM, Mantas Pucka wrote:
When using BDF with both 5GHz and 6GHz bands enabled on QCN9274, interface
fails to start. It happens because FW fails to process
WMI_SCAN_CHAN_LIST_CMDID with argument size >2048, resulting in a command
timeout. The current code allows splitting channel list across multiple WMI
commands but uses WMI max_msg_len (4096) as chunk size, which is still too

Did you have any private changes to increase the message_len from current
2048 ot 4096 bytes? As mentioned in a reply for your other patch, multi-band
in qcn9274 requires additional changes in driver, only scan mode is supported
even with those changes.

Vasanth