[dpdk-dev] [PATCH v2 0/5] net/qede: fixes and enhancement

Jerin Jacob jerinjacobk at gmail.com
Fri Sep 13 08:21:52 CEST 2019

On Thu, Sep 12, 2019 at 8:54 PM Shahed Shaikh <shshaikh at marvell.com> wrote:
> First four patches are part of a fix for the ovs-dpdk issue
> with 100Gb NIC [1].
> Fifth patch adds support for drop action in rte_flow.
> [1]
> As per HW design of 100Gb mode, device internally uses 2 engines
> (eng0 and eng1), and both engines need to be configured symmetrically.
> Based on this requirement, driver design chose an approach
> to allow user to allocate only even number of queues and split
> those queues on both engines equally.
> This approach puts a limitation on number of queues to be allocated -
> i.e. user can't configure odd number of queues on 100Gb mode.
> OVS configures DPDK port with 1 rxq and 1 txq, which causes initialization
> of qede port to fail.
> This patch series changes the implementation of queue allocation method
> for 100Gb devices by removing above mentioned limitation and allowing
> user to configure odd number of queues.
> Fix is split into 4 logical patches -
>  - First patch refactors Rx and Tx queue setup code to lay a foundation
>    for actual fix.
>  - Second patch actually implements a new approach to fix the issue.
>  - Third patch fixes RSS configuration w.r.t. new approach.
>  - Fourth patch fixes statistics code impacted due to new approach.
> change in v2:
> Fixed compilation failure from patch 2 on clang compiler.
> Shahed Shaikh (5):
>   net/qede: refactor Rx and Tx queue setup
>   net/qede: fix ovs-dpdk failure when using odd number of queues on
>     100Gb mode
>   net/qede: fix RSS configuration as per new 100Gb queue allocation
>     method
>   net/qede: fix stats flow as per new 100Gb queue allocation method
>   net/qede: implement rte_flow drop action

Fixed ./devtools/check-git-log.sh issues and Series applied to
dpdk-next-net-mrvl/master. Thanks.

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