Subject: Re: [PATCH net-next v5 2/8] net: macb: rename rx_skbuff into rx_buff

From: Nicolai Buchwitz <[email-masked]>
Date: Mon, 16 Mar 2026 13:20:49 +0100

On 13.3.2026 21:14, Paolo Valerio wrote:
> This is a preparation commit as the field in later patches will no
> longer accomomdate skbuffs, but more generic frames.

nit: "accomomdate" should be "accommodate".

> 
> Signed-off-by: Paolo Valerio <[email-masked]>
> ---
>  drivers/net/ethernet/cadence/macb.h      |  2 +-
>  drivers/net/ethernet/cadence/macb_main.c | 24 ++++++++++++------------
>  2 files changed, 13 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/net/ethernet/cadence/macb.h 
> b/drivers/net/ethernet/cadence/macb.h
> index 0acc188fe547..d84ec528c12f 100644
> --- a/drivers/net/ethernet/cadence/macb.h
> +++ b/drivers/net/ethernet/cadence/macb.h
> @@ -1277,7 +1277,7 @@ struct macb_queue {
>  	unsigned int		rx_tail;
>  	unsigned int		rx_prepared_head;
>  	struct macb_dma_desc	*rx_ring;
> -	struct sk_buff		**rx_skbuff;
> +	void			**rx_buff;
>  	void			*rx_buffers;
>  	struct napi_struct	napi_rx;
>  	struct queue_stats stats;
> diff --git a/drivers/net/ethernet/cadence/macb_main.c 
> b/drivers/net/ethernet/cadence/macb_main.c
> index 2c36d3844bf5..2ed00e200933 100644
> --- a/drivers/net/ethernet/cadence/macb_main.c
> +++ b/drivers/net/ethernet/cadence/macb_main.c
> @@ -1492,7 +1492,7 @@ static int gem_rx_refill(struct macb_queue 
> *queue)
> 
>  		desc = macb_rx_desc(queue, entry);
> 
> -		if (!queue->rx_skbuff[entry]) {
> +		if (!queue->rx_buff[entry]) {
>  			/* allocate sk_buff for this free entry in ring */
>  			skb = netdev_alloc_skb(bp->dev, bp->rx_buffer_size);
>  			if (unlikely(!skb)) {
> @@ -1511,7 +1511,7 @@ static int gem_rx_refill(struct macb_queue 
> *queue)
>  				break;
>  			}
> 
> -			queue->rx_skbuff[entry] = skb;
> +			queue->rx_buff[entry] = skb;
> 
>  			if (entry == bp->rx_ring_size - 1)
>  				paddr |= MACB_BIT(RX_WRAP);
> @@ -1614,7 +1614,7 @@ static int gem_rx(struct macb_queue *queue, 
> struct napi_struct *napi,
>  			queue->stats.rx_dropped++;
>  			break;
>  		}
> -		skb = queue->rx_skbuff[entry];
> +		skb = queue->rx_buff[entry];
>  		if (unlikely(!skb)) {
>  			netdev_err(bp->dev,
>  				   "inconsistent Rx descriptor chain\n");
> @@ -1623,7 +1623,7 @@ static int gem_rx(struct macb_queue *queue, 
> struct napi_struct *napi,
>  			break;
>  		}
>  		/* now everything is ready for receiving packet */
> -		queue->rx_skbuff[entry] = NULL;
> +		queue->rx_buff[entry] = NULL;
>  		len = ctrl & bp->rx_frm_len_mask;
> 
>  		netdev_vdbg(bp->dev, "gem_rx %u (len %u)\n", entry, len);
> @@ -2623,11 +2623,11 @@ static void gem_free_rx_buffers(struct macb 
> *bp)
>  	int i;
> 
>  	for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) {
> -		if (!queue->rx_skbuff)
> +		if (!queue->rx_buff)
>  			continue;
> 
>  		for (i = 0; i < bp->rx_ring_size; i++) {
> -			skb = queue->rx_skbuff[i];
> +			skb = queue->rx_buff[i];
> 
>  			if (!skb)
>  				continue;
> @@ -2641,8 +2641,8 @@ static void gem_free_rx_buffers(struct macb *bp)
>  			skb = NULL;
>  		}
> 
> -		kfree(queue->rx_skbuff);
> -		queue->rx_skbuff = NULL;
> +		kfree(queue->rx_buff);
> +		queue->rx_buff = NULL;
>  	}
>  }
> 
> @@ -2705,13 +2705,13 @@ static int gem_alloc_rx_buffers(struct macb 
> *bp)
> 
>  	for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) {
>  		size = bp->rx_ring_size * sizeof(struct sk_buff *);
> -		queue->rx_skbuff = kzalloc(size, GFP_KERNEL);
> -		if (!queue->rx_skbuff)
> +		queue->rx_buff = kzalloc(size, GFP_KERNEL);
> +		if (!queue->rx_buff)
>  			return -ENOMEM;
>  		else
>  			netdev_dbg(bp->dev,
> -				   "Allocated %d RX struct sk_buff entries at %p\n",
> -				   bp->rx_ring_size, queue->rx_skbuff);
> +				   "Allocated %d RX buff entries at %p\n",
> +				   bp->rx_ring_size, queue->rx_buff);
>  	}
>  	return 0;
>  }

Reviewed-by: Nicolai Buchwitz <[email-masked]>

Thanks,
Nicolai