Re: [PATCH] net: ethtool: mm: Increase FPE verification retry count

[Simon Horman <horms@kernel.org>]

+ Vladimir

On Mon, Jun 15, 2026 at 12:24:36AM -0700, muhammad.nazim.amirul.nazle.asmade@altera.com wrote:
> From: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade@altera.com>
> 
> The current FPE verification retry count is set to 3. However,
> the IEEE 802.3br standard does not specify a fixed value for this.
> A retry count of 3 may be insufficient when the remote device is
> slow to respond during link-up. Increase the retry count to 20 to
> improve robustness.
> 
> Signed-off-by: Rohan G Thomas <rohan.g.thomas@altera.com>
> Signed-off-by: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade@altera.com>

Vladimir, I'm wondering if you could take a look at this one.

> ---
>  include/linux/ethtool.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
> index f51346a6a686..9a1b1f5d37a4 100644
> --- a/include/linux/ethtool.h
> +++ b/include/linux/ethtool.h
> @@ -23,7 +23,7 @@
>  #include <uapi/linux/net_tstamp.h>
>  
>  #define ETHTOOL_MM_MAX_VERIFY_TIME_MS		128
> -#define ETHTOOL_MM_MAX_VERIFY_RETRIES		3
> +#define ETHTOOL_MM_MAX_VERIFY_RETRIES		20
>  
>  struct compat_ethtool_rx_flow_spec {
>  	u32		flow_type;
> -- 
> 2.43.7
>