[dpdk-dev] [PATCH v2] doc: add a co-existence consideration for qede PMD

Jerin Jacob Kollanukkaran jerinj at marvell.com
Mon Aug 5 17:26:18 CEST 2019


> -----Original Message-----
> From: Rasesh Mody <rmody at marvell.com>
> Sent: Monday, August 5, 2019 2:50 PM
> To: dev at dpdk.org; Thomas Monjalon <thomas at monjalon.net>
> Cc: Rasesh Mody <rmody at marvell.com>; John McNamara
> <john.mcnamara at intel.com>; Jerin Jacob Kollanukkaran
> <jerinj at marvell.com>; GR-Everest-DPDK-Dev <GR-Everest-DPDK-
> Dev at marvell.com>; stable at dpdk.org
> Subject: [PATCH v2] doc: add a co-existence consideration for qede PMD
> 
> Add and update co-existence considerations for qede PMD
> 
> v2:
> Made co-existence considerations for QLogic adapters more specific
> 
> Cc: stable at dpdk.org
> 
> Signed-off-by: Rasesh Mody <rmody at marvell.com>

Applied to dpdk-next-net-mrvl/master. Thanks


> ---
>  doc/guides/nics/qede.rst | 25 ++++++++++++++++++++++---
>  1 file changed, 22 insertions(+), 3 deletions(-)
> 
> diff --git a/doc/guides/nics/qede.rst b/doc/guides/nics/qede.rst index
> c0a383381..05a6aef57 100644
> --- a/doc/guides/nics/qede.rst
> +++ b/doc/guides/nics/qede.rst
> @@ -7,7 +7,7 @@ QEDE Poll Mode Driver
> 
>  The QEDE poll mode driver library (**librte_pmd_qede**) implements
> support  for **QLogic FastLinQ QL4xxxx 10G/25G/40G/50G/100G Intelligent
> Ethernet Adapters (IEA) and Converged Network Adapters (CNA)** family of
> adapters as well as SR-IOV virtual functions (VF). It is supported on -several
> standard Linux distros like RHEL7.x, SLES12.x and Ubuntu.
> +several standard Linux distros like RHEL, SLES, Ubuntu etc.
>  It is compile-tested under FreeBSD OS.
> 
>  More information can be found at `QLogic Corporation's Website @@ -47,8
> +47,27 @@ Non-supported Features
> 
>  Co-existence considerations
>  ---------------------------
> -- QLogic FastLinQ QL4xxxx CNAs can have both NIC and Storage
> personalities. However, coexistence with storage protocol drivers (qedi and
> qedf) 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, qede PMD will be used to bind to SR-IOV VF device and
> Linux native kernel driver (qede) will be attached to SR-IOV PF.
> +
> +- QLogic FastLinQ QL4xxxx CNAs support Ethernet, RDMA, iSCSI and FCoE
> +  functionalities. These functionalities are supported using
> +  QLogic Linux kernel drivers qed, qede, qedr, qedi and qedf. DPDK is
> +  supported on these adapters using qede PMD.
> +
> +- When SR-IOV is not enabled on the adapter,
> +  QLogic Linux kernel drivers (qed, qede, qedr, qedi and qedf) and qede
> +  PMD can’t be attached to different PFs on a given QLogic FastLinQ
> +  QL4xxx adapter.
> +  A given adapter needs to be completely used by DPDK or Linux drivers
> +  Before binding DPDK driver to one or more PFs on the adapter,
> +  please make sure to unbind Linux drivers from all PFs of the adapter.
> +  If there are multiple adapters on the system, one or more adapters
> +  can be used by DPDK driver completely and other adapters can be used
> +  by Linux drivers completely.
> +
> +- When SR-IOV is enabled on the adapter,
> +  Linux kernel drivers (qed, qede, qedr, qedi and qedf) can be bound
> +  to the PFs of a given adapter and either qede PMD or Linux drivers
> +  (qed and qede) can be bound to the VFs of the adapter.
> 
>  Supported QLogic Adapters
>  -------------------------
> --
> 2.18.0



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