dev at dpdk.org; Kirsher, Jeffrey T; Brandeburg, Jesse
>> Subject: Re: [dpdk-dev] [PATCH v4] ixgbe_pmd: enforce RS bit on every EOP
>> descriptor for devices newer than 82598
>>
>>
>>
>> On 10/27/15 20:09, Thomas Monjalon wrote:
>>> Any Follow-up to
On 10/27/15 20:09, Thomas Monjalon wrote:
> Any Follow-up to this discussion?
> Should we mark this patch as rejected?
Hmmm... This patch fixes an obvious spec violation. Why would it be
rejected?
>
> 2015-08-24 11:11, Vlad Zolotarov:
>> On 08/20/15 18:37, Vlad Zolotarov wrote:
>>> According t
pdk-dev] [PATCH v4] ixgbe_pmd: enforce RS bit on every EOP
> descriptor for devices newer than 82598
>
>
>
> On 10/27/15 20:09, Thomas Monjalon wrote:
> > Any Follow-up to this discussion?
> > Should we mark this patch as rejected?
>
> Hmmm... This patch fixes an
Any Follow-up to this discussion?
Should we mark this patch as rejected?
2015-08-24 11:11, Vlad Zolotarov:
> On 08/20/15 18:37, Vlad Zolotarov wrote:
> > According to 82599 and x540 HW specifications RS bit *must* be
> > set in the last descriptor of *every* packet.
> >
> > Before this patch there
] ixgbe_pmd: enforce RS bit on every EOP
descriptor for devices newer than 82598
On 10/27/15 20:09, Thomas Monjalon wrote:
> Any Follow-up to this discussion?
> Should we mark this patch as rejected?
Hmmm... This patch fixes an obvious spec violation. Why would it be
rejected?
>
> 2015
Hi Vlad,
>> Unfortunately we are seeing a huge performance drop with that patch:
>> On my box bi-directional traffic (64B packet) over one port can't reach even
>> 11 Mpps.
>Konstantin, could u clarify - u saw "only" 11 Mpps with v3 of this patch which
>doesn't change the rs_thresh and only sets
On 08/20/15 18:37, Vlad Zolotarov wrote:
> According to 82599 and x540 HW specifications RS bit *must* be
> set in the last descriptor of *every* packet.
>
> Before this patch there were 3 types of Tx callbacks that were setting
> RS bit every tx_rs_thresh descriptors. This patch introduces a set
According to 82599 and x540 HW specifications RS bit *must* be
set in the last descriptor of *every* packet.
Before this patch there were 3 types of Tx callbacks that were setting
RS bit every tx_rs_thresh descriptors. This patch introduces a set of
new callbacks, one for each type mentioned above
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