netdev - RE: [Intel-wired-lan] [PATCH iwl-net] ice: fix incorrect counter for buffer allocation failures

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Message-ID: <PH3PPF67C992ECC512DABFC86B37C0997289132A@PH3PPF67C992ECC.namprd11.prod.outlook.com>
Date: Thu, 21 Aug 2025 06:35:04 +0000
From: "Singh, PriyaX" <priyax.singh@...el.com>
To: "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "Fijalkowski, Maciej" <maciej.fijalkowski@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>, "Keller, Jacob E" <jacob.e.keller@...el.com>,
	"Lobakin, Aleksander" <aleksander.lobakin@...el.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "Kubiak, Michal" <michal.kubiak@...el.com>,
	Paul Menzel <pmenzel@...gen.mpg.de>, "Buvaneswaran, Sujai"
	<sujai.buvaneswaran@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH iwl-net] ice: fix incorrect counter for
 buffer allocation failures

> Currently, the driver increments `alloc_page_failed` when buffer
> allocation fails in `ice_clean_rx_irq()`. However, this counter is
> intended for page allocation failures, not buffer allocation issues.
> 
> This patch corrects the counter by incrementing `alloc_buf_failed`
> instead, ensuring accurate statistics reporting for buffer allocation failures.
> 
> Fixes: 2fba7dc5157b ("ice: Add support for XDP multi-buffer on Rx
> side")
> Reported-by: Jacob Keller <jacob.e.keller@...el.com>
> Suggested-by: Paul Menzel <pmenzel@...gen.mpg.de>
> Signed-off-by: Michal Kubiak <michal.kubiak@...el.com>
>  ---
>   drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c
> b/drivers/net/ethernet/intel/ice/ice_txrx.c
> index 93907ab2eac7..1b1ebfd347ef 100644
> --- a/drivers/net/ethernet/intel/ice/ice_txrx.c
> +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
> @@ -1337,7 +1337,7 @@ static int ice_clean_rx_irq(struct ice_rx_ring
> *rx_ring, int budget)
>   			skb = ice_construct_skb(rx_ring, xdp);
>   		/* exit if we failed to retrieve a buffer */
>   		if (!skb) {
> -			rx_ring->ring_stats->rx_stats.alloc_page_failed++;
> +			rx_ring->ring_stats->rx_stats.alloc_buf_failed++;
>   			xdp_verdict = ICE_XDP_CONSUMED;
>   		}
>   		ice_put_rx_mbuf(rx_ring, xdp, ntc, xdp_verdict);
> --
> 2.45.2
> 
> Tested-by: Priya Singh <priyax.singh@...el.com>