> -----Original Message-----
> From: Dipayaan Roy <[email protected]>
> Sent: Friday, February 27, 2026 3:15 AM
> To: KY Srinivasan <[email protected]>; Haiyang Zhang
> <[email protected]>; [email protected]; Dexuan Cui
> <[email protected]>; [email protected]; [email protected];
> [email protected]; [email protected]; [email protected]; [email protected];
> Long Li <[email protected]>; Konstantin Taranov
> <[email protected]>; [email protected];
> [email protected]; [email protected];
> [email protected]; Shiraz Saleem <[email protected]>;
> [email protected]; [email protected]; linux-
> [email protected]; [email protected]; Dipayaan Roy
> <[email protected]>
> Subject: [PATCH net-next, v2] net: mana: Trigger VF reset/recovery on
> health check failure due to HWC timeout
>
> The GF stats periodic query is used as mechanism to monitor HWC health
> check. If this HWC command times out, it is a strong indication that
> the device/SoC is in a faulty state and requires recovery.
>
> Today, when a timeout is detected, the driver marks
> hwc_timeout_occurred, clears cached stats, and stops rescheduling the
> periodic work. However, the device itself is left in the same failing
> state.
>
> Extend the timeout handling path to trigger the existing MANA VF
> recovery service by queueing a GDMA_EQE_HWC_RESET_REQUEST work item.
> This is expected to initiate the appropriate recovery flow by suspende
> resume first and if it fails then trigger a bus rescan.
>
> This change is intentionally limited to HWC command timeouts and does
> not trigger recovery for errors reported by the SoC as a normal command
> response.
>
> Signed-off-by: Dipayaan Roy <[email protected]>
> ---
> Changes in v2:
> - Added common helper, proper clearing of gc flags.
> ---
Reviewed-by: Haiyang Zhang <[email protected]>
Thanks.
