Re: [PATCH net 0/2] net: ixgbe: Use new flag to disable Relaxed Ordering

From: Ding Tianhong
Date: Wed Aug 16 2017 - 21:26:34 EST




On 2017/8/17 1:56, David Miller wrote:
> From: Ding Tianhong <dingtianhong@xxxxxxxxxx>
> Date: Wed, 16 Aug 2017 17:41:45 +0800
>
>> The new flag PCI_DEV_FLAGS_NO_RELAXED_ORDERING has been added
>> to indicate that Relaxed Ordering Attributes (RO) should not
>> be used for Transaction Layer Packets (TLP) targeted toward
>> these affected Root Port, it will clear the bit4 in the PCIe
>> Device Control register, so the PCIe device drivers could
>> query PCIe configuration space to determine if it can send
>> TLPs to Root Port with the Relaxed Ordering Attributes set.
>>
>> The ixgbe driver could use this flag to determine if it can
>> send TLPs to Root Port with the Relaxed Ordering Attributes set.
>
> I'll let the Intel guys pick this up.
>
Thanks David, but I am not sure when the Intel guys would take over,
just Alex has replied, so I will release a new version according Alex's
suggestion.

> .
>