[Intel-wired-lan] [PATCH iwl-next 2/3] iavf: use __libeth_rx_sync_for_cpu

[Loktionov, Aleksandr]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf
> Of Matt Vollrath
> Sent: Friday, July 31, 2026 2:41 PM
> To: intel-wired-lan at lists.osuosl.org
> Cc: netdev at vger.kernel.org; Lobakin, Aleksander
> <aleksander.lobakin at intel.com>; Nguyen, Anthony L
> <anthony.l.nguyen at intel.com>; Kitszel, Przemyslaw
> <przemyslaw.kitszel at intel.com>; Andrew Lunn <andrew+netdev at lunn.ch>;
> David S . Miller <davem at davemloft.net>; Eric Dumazet
> <edumazet at google.com>; Jakub Kicinski <kuba at kernel.org>; Paolo Abeni
> <pabeni at redhat.com>; Simon Horman <horms at kernel.org>; Matt Vollrath
> <tactii at gmail.com>
> Subject: [Intel-wired-lan] [PATCH iwl-next 2/3] iavf: use
> __libeth_rx_sync_for_cpu
> 
> The Rx ring already has a reference to its page pool adjacent to
> fields touched every iteration. Avoid loading the netmem_desc for sync
> by taking the shortcut.
> 
> Signed-off-by: Matt Vollrath <tactii at gmail.com>
> Assisted-by: Claude:claude-5-fable
> ---
>  drivers/net/ethernet/intel/iavf/iavf_txrx.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c
> b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
> index c30abf17cf5d..3ae2f0a0ee4d 100644
> --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c
> +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
> @@ -1387,6 +1387,7 @@ static int iavf_clean_rx_irq(struct iavf_ring
> *rx_ring, int budget)  {
>  	bool flex = rx_ring->rxdid == VIRTCHNL_RXDID_2_FLEX_SQ_NIC;
>  	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
> +	const struct page_pool *pp = rx_ring->pp;
>  	struct sk_buff *skb = rx_ring->skb;
>  	u16 cleaned_count = IAVF_DESC_UNUSED(rx_ring);
>  	bool failure = false;
> @@ -1424,7 +1425,7 @@ static int iavf_clean_rx_irq(struct iavf_ring
> *rx_ring, int budget)
>  		iavf_trace(clean_rx_irq, rx_ring, rx_desc, skb);
> 
>  		rx_buffer = &rx_ring->rx_fqes[rx_ring->next_to_clean];
> -		if (!libeth_rx_sync_for_cpu(rx_buffer, fields.len))
> +		if (!__libeth_rx_sync_for_cpu(pp, rx_buffer,
> fields.len))
>  			goto skip_data;
> 
>  		/* retrieve a buffer from the ring */
> --
> 2.43.0

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov at intel.com>