[PATCH v2 0/4] wifi: ath12k: add 11d scan offload support and handle country code for WCN7850

[Kang Yang]

On 9/29/2023 9:11 PM, Kalle Valo wrote:
> Wen Gong <quic_wgong at quicinc.com> writes:
> 
>> v2: change per Jeff.
>>      1. change alpha2 length from 3 to 2.
>>      2. change wmi_11d_new_cc_ev to wmi_11d_new_cc_event.
>>
>> Add handler to send WMI_SET_CURRENT_COUNTRY_CMDID which is needed for
>> 11d scan offload to firmware. And add support for 11d scan offload for
>> WCN7850.
>>
>> Also fix firmware crash for country code set for WCN7850 and store country
>> code for device recovery for WCN7850.
>>
>> Wen Gong (4):
>>    wifi: ath12k: add configure country code for WCN7850
>>    wifi: ath12k: add 11d scan offload support
>>    wifi: ath12k: avoid firmware crash when reg set for WCN7850
>>    wifi: ath12k: store and send country code to firmware after recovery
> 
> Patches 2 & 3 had trivial conflicts with rfkill patches, fixed in the
> pending branch:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=3261a8fe9de8fd5a94215eaf0c8738c3f0051105
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=0f82a7f8a8d1944faea458f992d492daa74a968e
> 
> No need to resend because of this.

Hi, kalle

	This patch-set is important to WCN7850.
	Without it, WCN7850 cannot even set country code with board-2.bin now.

	iw reg set US/CN..:

[ 4623.473098] ath12k_pci 0000:03:00.0: Regulatory Notification received 
for phy2
[ 4623.475719] ath12k_pci 0000:03:00.0: No reg rules available
[ 4623.475775] ath12k_pci 0000:03:00.0: failed to extract regulatory 
info from received event
[ 4623.475825] WARNING: CPU: 5 PID: 0 at 
drivers/net/wireless/ath/ath12k/wmi.c:5789 
ath12k_reg_chan_list_event.isra.0+0x5d4/0xb30 [ath12k]
[ 4623.476823] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G        W  O 
  6.9.0-wt-ath+ #17
[ 4623.476836] Hardware name: AMD Mayan-PHX/Mayan-PHX, BIOS RMH1001gC 
05/08/2023
[ 4623.476848] RIP: 0010:ath12k_reg_chan_list_event.isra.0+0x5d4/0xb30 
[ath12k]
[ 4623.477032] Call Trace:
[ 4623.477059]  ? show_regs+0x63/0x70
[ 4623.477080]  ? __warn+0xcb/0x300
[ 4623.477096]  ? srso_alias_return_thunk+0x5/0xfbef5
[ 4623.477118]  ? ath12k_reg_chan_list_event.isra.0+0x5d4/0xb30 [ath12k]
[ 4623.477155]  ? report_bug+0x318/0x400
[ 4623.477186]  ? handle_bug+0x85/0xb0
[ 4623.477205]  ? exc_invalid_op+0x1c/0x50
[ 4623.477225]  ? asm_exc_invalid_op+0x1f/0x30
[ 4623.477263]  ? ath12k_reg_chan_list_event.isra.0+0x5d4/0xb30 [ath12k]
[ 4623.477305]  ath12k_wmi_op_rx+0x6a1/0x1900 [ath12k]
……

	Also, 11d scan need this patch-set too.

	So, what's your plan on this patch-set🙂?
>