netdev - Re: [PATCH net-next v2 5/6] devlink: Adding num MSI-X vectors per VF NVRAM config param

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Date:   Thu, 19 Oct 2017 23:39:55 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Yuval Mintz <yuvalm@...lanox.com>
Cc:     Steve Lin <steven.lin1@...adcom.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Jiri Pirko <jiri@...lanox.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "michael.chan@...adcom.com" <michael.chan@...adcom.com>,
        "linville@...driver.com" <linville@...driver.com>,
        "gospo@...adcom.com" <gospo@...adcom.com>
Subject: Re: [PATCH net-next v2 5/6] devlink: Adding num MSI-X vectors per VF
 NVRAM config param

Thu, Oct 19, 2017 at 10:32:21PM CEST, yuvalm@...lanox.com wrote:
>> Adding DEVLINK_PERM_CONFIG_MSIX_VECTORS_PER_VF permanent
>> config
>> parameter.  Defines number of MSI-X vectors allocated per VF.
>> Value is permanent (stored in NVRAM), so becomes the new default
>> value for this device.
>
>Sounds like you're having this enforce the same configuration for all child VFs.

Yeah, this sounds like per-port config.


>
>> 
>> Signed-off-by: Steve Lin <steven.lin1@...adcom.com>
>> Acked-by: Andy Gospodarek <gospo@...adcom.com>
>> ---
>>  include/uapi/linux/devlink.h | 1 +
>>  1 file changed, 1 insertion(+)
>> 
>> diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
>> index 8ad6c63..ef163b6 100644
>> --- a/include/uapi/linux/devlink.h
>> +++ b/include/uapi/linux/devlink.h
>> @@ -260,6 +260,7 @@ enum devlink_perm_config_param {
>>  	DEVLINK_PERM_CONFIG_SRIOV_ENABLED,
>>  	DEVLINK_PERM_CONFIG_NUM_VF_PER_PF,
>>  	DEVLINK_PERM_CONFIG_MAX_NUM_PF_MSIX_VECT,
>> +	DEVLINK_PERM_CONFIG_MSIX_VECTORS_PER_VF,
>>  };
>> 
>>  #endif /* _UAPI_LINUX_DEVLINK_H_ */
>> --
>> 2.7.4
>