Subject: Re: [PATCH net-next v2 06/14] net: ethernet: qualcomm: Initialize the PPE scheduler settings

From: Simon Horman <[email-masked]>
Date: Thu, 9 Jan 2025 17:42:34 +0000

On Wed, Jan 08, 2025 at 09:47:13PM +0800, Luo Jie wrote:
> The PPE scheduler settings determine the priority of scheduling the
> packet across the different hardware queues per PPE port.
> 
> Signed-off-by: Luo Jie <[email-masked]>
> ---
>  drivers/net/ethernet/qualcomm/ppe/ppe_config.c | 789 ++++++++++++++++++++++++-
>  drivers/net/ethernet/qualcomm/ppe/ppe_config.h |  37 ++
>  drivers/net/ethernet/qualcomm/ppe/ppe_regs.h   |  97 +++
>  3 files changed, 922 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe_config.c b/drivers/net/ethernet/qualcomm/ppe/ppe_config.c

...

> +/**
> + * ppe_queue_scheduler_set - Configure scheduler for PPE hardware queue
> + * @ppe_dev: PPE device
> + * @node_id: PPE queue ID or flow ID
> + * @flow_level: Flow level scheduler or queue level scheduler
> + * @port: PPE port ID set scheduler configuration
> + * @scheduler_cfg: PPE scheduler configuration
> + *
> + * PPE scheduler configuration supports queue level and flow level on
> + * the PPE egress port.
> + *
> + * Return 0 on success, negative error code on failure.

Nit: The tooling would prefer this last line formatted as;

    * Return: ...

or

    * Returns: ...

Flagged by ./scripts/kernel-doc -none -Wall

> + */
> +int ppe_queue_scheduler_set(struct ppe_device *ppe_dev,
> +			    int node_id, bool flow_level, int port,
> +			    struct ppe_scheduler_cfg scheduler_cfg)
> +{
> +	if (flow_level)
> +		return ppe_scheduler_l1_queue_map_set(ppe_dev, node_id,
> +						      port, scheduler_cfg);
> +
> +	return ppe_scheduler_l0_queue_map_set(ppe_dev, node_id,
> +					      port, scheduler_cfg);
> +}

...