[dpdk-dev] [PATCH 2/2] doc: add a co-existence consideration for bnx2x PMD

Rasesh Mody rmody at marvell.com
Mon Aug 5 11:28:58 CEST 2019


>From: Thomas Monjalon <thomas at monjalon.net>
>Sent: Wednesday, July 31, 2019 1:33 AM
>
>31/07/2019 10:02, Rasesh Mody:
>> Add and update co-existence considerations for bnx2x PMD
>>
>> Signed-off-by: Rasesh Mody <rmody at marvell.com>
>> ---
>>  doc/guides/nics/bnx2x.rst | 15 ++++++++++++---
>>  1 file changed, 12 insertions(+), 3 deletions(-)
>>
>> diff --git a/doc/guides/nics/bnx2x.rst b/doc/guides/nics/bnx2x.rst
>> index a7dee0c10..358ed7927 100644
>> --- a/doc/guides/nics/bnx2x.rst
>> +++ b/doc/guides/nics/bnx2x.rst
>> @@ -69,9 +69,18 @@ Co-existence considerations
>>    bnx2fi) is not supported on the same adapter. So storage personality
>>    has to be disabled on that adapter when used in DPDK applications.
>>
>> -- For SR-IOV case, bnx2x PMD will be used to bind to SR-IOV VF device
>> and
>> -  Linux native kernel driver (bnx2x) will be attached to SR-IOV PF.
>> -
>> +- Linux kernel drivers and bnx2x PMD can’t be mixed on a given
>> +BCM578xx
>> +  adapter. This type of coexistence is unsupported. A given adapter
>> +  needs to be completely used by DPDK or Linux drivers, when SR-IOV
>> +  is not enabled. Before binging DPDK driver to one or more devices
>> +on
>> +  the adapter, please make sure to unbind Linux drivers from all
>> +devices
>> +  of the adapter. If there are multiple adapters on the system, one
>> +or
>> +  more adapter can be used by DPDK driver and other adapters can be
>> +used
>> +  by Linux drivers.
>> +
>> +- When SR-IOV is enabled, Linux native kernel driver (bnx2x) can be
>> +  bound to the PFs of a given adapter and either DPDK or Linux
>> +drivers
>> +  can be bound to the VFs of the adapter.
>
>Same comment as for qede: this is not specific to the PMD.
>Please update and reference the Linux guide.

Please see the v2 set with documentation specific to QLogic adapters and use of bnx2x PMD.

Thanks!
-Rasesh



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