netdev - Re: [net-next PATCH v3 01/10] netdev-genl: spec: Extend netdev netlink spec in YAML for queue

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Date: Thu, 28 Sep 2023 12:33:08 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Amritha Nambiar <amritha.nambiar@...el.com>, netdev@...r.kernel.org, 
	kuba@...nel.org
Cc: sridhar.samudrala@...el.com
Subject: Re: [net-next PATCH v3 01/10] netdev-genl: spec: Extend netdev
 netlink spec in YAML for queue

On Tue, 2023-09-19 at 15:27 -0700, Amritha Nambiar wrote:
> Add support in netlink spec(netdev.yaml) for queue information.
> Add code generated from the spec.
> 
> Note: The "q-type" attribute currently takes values 0 and 1 for rx
> and tx queue type respectively. I haven't figured out the ynl
> library changes to support string user input ("rx" and "tx") to
> enum value conversion in the generated file.
> 
> Signed-off-by: Amritha Nambiar <amritha.nambiar@...el.com>
> Reviewed-by: Sridhar Samudrala <sridhar.samudrala@...el.com>
> ---
>  Documentation/netlink/specs/netdev.yaml |   52 ++++++++++
>  include/uapi/linux/netdev.h             |   17 +++
>  net/core/netdev-genl-gen.c              |   26 +++++
>  net/core/netdev-genl-gen.h              |    3 +
>  net/core/netdev-genl.c                  |   10 ++
>  tools/include/uapi/linux/netdev.h       |   17 +++
>  tools/net/ynl/generated/netdev-user.c   |  159 +++++++++++++++++++++++++++++++
>  tools/net/ynl/generated/netdev-user.h   |  101 ++++++++++++++++++++
>  8 files changed, 385 insertions(+)
> 
> diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml
> index c46fcc78fc04..7b5d4cdff48b 100644
> --- a/Documentation/netlink/specs/netdev.yaml
> +++ b/Documentation/netlink/specs/netdev.yaml
> @@ -55,6 +55,10 @@ definitions:
>          name: hash
>          doc:
>            Device is capable of exposing receive packet hash via bpf_xdp_metadata_rx_hash().
> +  -
> +    name: queue-type
> +    type: enum
> +    entries: [ rx, tx ]
>  
>  attribute-sets:
>    -
> @@ -89,6 +93,32 @@ attribute-sets:
>          enum: xdp-rx-metadata
>          enum-as-flags: true
>  
> +  -
> +    name: queue
> +    attributes:
> +      -
> +        name: q-id

Why not 'queue-id' or 'id'?

> +        doc: queue index
> +        type: u32
> +      -
> +        name: ifindex
> +        doc: netdev ifindex
> +        type: u32
> +        checks:
> +          min: 1
> +      -
> +        name: q-type

Same here?



Cheers,

Paolo