[PATCH v2 0/2] wifi: ath11k: fix layout of scan_flags in struct scan_req_params
Jeff Johnson
quic_jjohnson at quicinc.com
Fri Feb 9 09:47:20 PST 2024
On 2/9/2024 3:35 AM, Nicolas Escande wrote:
> As previously discussed in [1] we have a mismatch in struct scan_req_params
> between the bitfield scan_f_xxx & the scan_flags when used with WMI_SCAN_XXX
> values.
>
> To fix the issue & prevent it from happenning again lets stop using & remove
> scan_flags altogether in the driver and only use the bitfield instead. That way
> even if the bitfield doesn't match the WMI_SCAN_XXX flags, the right value will
> still be sent through the wmi command to the firmware (see
> ath11k_wmi_copy_scan_event_cntrl_flags).
>
> Questions:
> - In the same rationale shouldn't we remove scan_events from the same struct ?
yes, scan_events is unused so it and the union+struct can be removed,
leaving just the u32 bitfield. feel free to submit that as a separate patch
> - The same goes for ath12k, should I send a seperate patch or respin a v3 with
> similar patches for ath12k ?
please send a separate series for ath12k since it has a separate mailing
list
>
> [1] https://lore.kernel.org/all/20231127180559.1696041-1-nico.escande@gmail.com/
>
> v2:
> - remove explicit uses of scan_flags with WMI_SCAN_XXX flags
> - remove the underlying union of scan_flags to only leave the bitfield
>
> Nicolas Escande (2):
> wifi: ath11k: Do not directly use scan_flags in struct scan_req_params
> wifi: ath11k: remove scan_flags union from struct scan_req_params
>
> drivers/net/wireless/ath/ath11k/mac.c | 6 +--
> drivers/net/wireless/ath/ath11k/wmi.c | 2 +-
> drivers/net/wireless/ath/ath11k/wmi.h | 55 ++++++++++++---------------
> 3 files changed, 29 insertions(+), 34 deletions(-)
>
Thank you for this cleanup!
/jeff
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