[dpdk-dev] [PATCH] doc: cleanup flow mark Rx offload deprecation notice
Andrew Rybchenko
andrew.rybchenko at oktetlabs.ru
Tue Nov 2 15:09:46 CET 2021
On 11/2/21 4:47 PM, Ferruh Yigit wrote:
> On 11/2/2021 12:50 PM, Andrew Rybchenko wrote:
>> The problem is solved using Rx metadata delivery negotiation API [1].
>>
>
> Can this API replace RX_OFFLOAD_RSS_HASH too?
It can, but it should not. RSS hash is an offload since it is a
calculation of the hash in HW and delivery of the result to SW.
Like checksums: check in HW and delivery of the result to SW.
>
>> [1] commit f6d8a6d3fad7 ("ethdev: negotiate delivery of packet
>> metadata from HW to PMD")
>>
>> Signed-off-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
>> ---
>> doc/guides/rel_notes/deprecation.rst | 8 --------
>> 1 file changed, 8 deletions(-)
>>
>> diff --git a/doc/guides/rel_notes/deprecation.rst
>> b/doc/guides/rel_notes/deprecation.rst
>> index 4366015b01..ec5073908f 100644
>> --- a/doc/guides/rel_notes/deprecation.rst
>> +++ b/doc/guides/rel_notes/deprecation.rst
>> @@ -69,14 +69,6 @@ Deprecation Notices
>> and the related structures (``rte_fdir_*`` and ``rte_eth_fdir_*``),
>> will be removed in DPDK 20.11.
>> -* ethdev: New offload flags ``RTE_ETH_RX_OFFLOAD_FLOW_MARK`` will be
>> added in 19.11.
>> - This will allow application to enable or disable PMDs from updating
>> - ``rte_mbuf::hash::fdir``.
>> - This scheme will allow PMDs to avoid writes to ``rte_mbuf`` fields
>> on Rx and
>> - thereby improve Rx performance if application wishes do so.
>> - In 19.11 PMDs will still update the field even when the offload is not
>> - enabled.
>> -
>> * ethdev: Announce moving from dedicated modify function for each
>> field,
>> to using the general ``rte_flow_modify_field`` action.
>>
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