netdev - Re: [PATCH net-next 03/10] bnxt_en: Refactor TX ring allocation logic

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Message-ID: <Z4TIcj8ICN5WkNXf@mev-dev.igk.intel.com>
Date: Mon, 13 Jan 2025 09:02:29 +0100
From: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
To: Michael Chan <michael.chan@...adcom.com>
Cc: davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, andrew+netdev@...n.ch,
	pavan.chebbi@...adcom.com, andrew.gospodarek@...adcom.com,
	somnath.kotur@...adcom.com,
	Ajit Khaparde <ajit.khaparde@...adcom.com>
Subject: Re: [PATCH net-next 03/10] bnxt_en: Refactor TX ring allocation logic

On Sun, Jan 12, 2025 at 10:39:20PM -0800, Michael Chan wrote:
> Add a new bnxt_hwrm_tx_ring_alloc() function to handle allocating
> a transmit ring.  This will be useful later in the series.
> 
> Reviewed-by: Ajit Khaparde <ajit.khaparde@...adcom.com>
> Signed-off-by: Michael Chan <michael.chan@...adcom.com>
> ---
>  drivers/net/ethernet/broadcom/bnxt/bnxt.c | 22 +++++++++++++++-------
>  1 file changed, 15 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
> index d364a707664b..e9a2e30c1537 100644
> --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
> +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
> @@ -7191,6 +7191,20 @@ static int bnxt_hwrm_cp_ring_alloc_p5(struct bnxt *bp,
>  	return 0;
>  }
>  
> +static int bnxt_hwrm_tx_ring_alloc(struct bnxt *bp,
> +				   struct bnxt_tx_ring_info *txr, u32 tx_idx)
> +{
> +	struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
> +	u32 type = HWRM_RING_ALLOC_TX;
Nit as previous, can be const

> +	int rc;
> +
> +	rc = hwrm_ring_alloc_send_msg(bp, ring, type, tx_idx);
> +	if (rc)
> +		return rc;
> +	bnxt_set_db(bp, &txr->tx_db, type, tx_idx, ring->fw_ring_id);
> +	return 0;
> +}
> +
>  static int bnxt_hwrm_ring_alloc(struct bnxt *bp)
>  {
>  	bool agg_rings = !!(bp->flags & BNXT_FLAG_AGG_RINGS);
> @@ -7227,23 +7241,17 @@ static int bnxt_hwrm_ring_alloc(struct bnxt *bp)
>  		}
>  	}
>  
> -	type = HWRM_RING_ALLOC_TX;
>  	for (i = 0; i < bp->tx_nr_rings; i++) {
>  		struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
> -		struct bnxt_ring_struct *ring;
> -		u32 map_idx;
>  
>  		if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) {
>  			rc = bnxt_hwrm_cp_ring_alloc_p5(bp, txr->tx_cpr);
>  			if (rc)
>  				goto err_out;
>  		}
> -		ring = &txr->tx_ring_struct;
> -		map_idx = i;
> -		rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx);
> +		rc = bnxt_hwrm_tx_ring_alloc(bp, txr, i);
>  		if (rc)
>  			goto err_out;
> -		bnxt_set_db(bp, &txr->tx_db, type, map_idx, ring->fw_ring_id);
>  	}
>  
>  	for (i = 0; i < bp->rx_nr_rings; i++) {
> -- 
> 2.30.1

Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>