Re: [Intel-wired-lan] [PATCH iwl-next 6/10] ice: increase OICR interrupt moderation rate to 20K interrupts/sec

2026-05-08 Thread Nowlin, Alexander 
> -Original Message-
> From: Intel-wired-lan  On Behalf Of 
> Aleksandr Loktionov
> Sent: Friday, April 10, 2026 12:49 AM
> To: [email protected]; Nguyen, Anthony L 
> ; Loktionov, Aleksandr 
> 
> Cc: [email protected]; Keller, Jacob E 
> Subject: [Intel-wired-lan] [PATCH iwl-next 6/10] ice: increase OICR interrupt 
> moderation rate to 20K interrupts/sec
> 
> The miscellaneous interrupt cause (OICR) is throttled to 8K interrupts per 
> second (124 us minimum spacing). This interrupt handles VF mailbox messages 
> and Tx timestamps, so the low rate imposes a minimum 
> latency floor on both use-cases.
> 
> Raise the rate to 20K interrupts per second (50 us minimum
> spacing) to allow lower latency handling for Tx timestamp bursts and high VF 
> message rates.
> 
> Signed-off-by: Jacob Keller 
> Signed-off-by: Aleksandr Loktionov 
> ---
>  drivers/net/ethernet/intel/ice/ice_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Tested-by: Alexander Nowlin

Re: [Intel-wired-lan] [PATCH iwl-next 6/10] ice: increase OICR interrupt moderation rate to 20K interrupts/sec

2026-04-14 Thread Simon Horman 
On Fri, Apr 10, 2026 at 09:49:17AM +0200, Aleksandr Loktionov wrote:
> The miscellaneous interrupt cause (OICR) is throttled to 8K
> interrupts per second (124 us minimum spacing). This interrupt
> handles VF mailbox messages and Tx timestamps, so the low rate
> imposes a minimum latency floor on both use-cases.
> 
> Raise the rate to 20K interrupts per second (50 us minimum
> spacing) to allow lower latency handling for Tx timestamp
> bursts and high VF message rates.
> 
> Signed-off-by: Jacob Keller 
> Signed-off-by: Aleksandr Loktionov 

Reviewed-by: Simon Horman