netdev - Re: [PATCH iproute2-next 0/4] devlink: Support get,set mac address of a port function

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Message-ID: <0ac7f838-c04b-f753-2d0a-62de6a06cf9b@gmail.com>
Date:   Sun, 5 Jul 2020 08:56:18 -0600
From:   David Ahern <dsahern@...il.com>
To:     Parav Pandit <parav@...lanox.com>, netdev@...r.kernel.org
Cc:     stephen@...workplumber.org, jiri@...lanox.com, dsahern@...nel.org
Subject: Re: [PATCH iproute2-next 0/4] devlink: Support get,set mac address of
 a port function

On 6/23/20 4:44 AM, Parav Pandit wrote:
> Currently ip link set dev <pfndev> vf <vf_num> <param> <value> has
> few below limitations.
> 
> 1. Command is limited to set VF parameters only.
> It cannot set the default MAC address for the PCI PF.
> 
> 2. It can be set only on system where PCI SR-IOV is supported.
> In smartnic based system, eswitch of a NIC resides on a different
> embedded cpu which has the VF and PF representors for the SR-IOV
> support on a host system in which this smartnic is plugged-in.
> 
> 3. It cannot setup the function attributes of sub-function described
> in detail in comprehensive RFC [1] and [2].
> 
> This series covers the first small part to let user query and set MAC
> address (hardware address) of a PCI PF/VF which is represented by
> devlink port.
> 
> Patch summary:
> Patch-1 Sync kernel header
> Patch-2 Move devlink port code at start to reuse
> Patch-3 Extends port dump command to query additional port function
> attribute(s)
> Patch-4 Enables user to set port function hardware address
> 
> [1] https://lore.kernel.org/netdev/20200519092258.GF4655@nanopsycho/
> [2] https://marc.info/?l=linux-netdev&m=158555928517777&w=2
> 
> Parav Pandit (4):
>   Update kernel headers
>   devlink: Move devlink port code at start to reuse
>   devlink: Support querying hardware address of port function
>   devlink: Support setting port function hardware address
> 
>  devlink/devlink.c            | 378 ++++++++++++++++++++++++-----------
>  include/uapi/linux/devlink.h |  12 ++
>  2 files changed, 269 insertions(+), 121 deletions(-)
> 

applied to iproute2-next. Thanks