netdev - [PATCH v3 net-next 3/9] ionic: use dma range APIs

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Message-ID: <20240210004827.53814-4-shannon.nelson@amd.com>
Date: Fri, 9 Feb 2024 16:48:21 -0800
From: Shannon Nelson <shannon.nelson@....com>
To: <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
	<edumazet@...gle.com>, <pabeni@...hat.com>
CC: <brett.creeley@....com>, <drivers@...sando.io>, Shannon Nelson
	<shannon.nelson@....com>
Subject: [PATCH v3 net-next 3/9] ionic: use dma range APIs

Convert Rx datapath handling to use the DMA range APIs
in preparation for adding XDP handling.

Signed-off-by: Shannon Nelson <shannon.nelson@....com>
Reviewed-by: Brett Creeley <brett.creeley@....com>
---
 drivers/net/ethernet/pensando/ionic/ionic_txrx.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index 19a7a8a8e1b3..aee38979a9d7 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -225,9 +225,8 @@ static struct sk_buff *ionic_rx_frags(struct ionic_queue *q,
 		frag_len = min_t(u16, len, ionic_rx_buf_size(buf_info));
 		len -= frag_len;
 
-		dma_sync_single_for_cpu(dev,
-					ionic_rx_buf_pa(buf_info),
-					frag_len, DMA_FROM_DEVICE);
+		dma_sync_single_range_for_cpu(dev, ionic_rx_buf_pa(buf_info),
+					      0, frag_len, DMA_FROM_DEVICE);
 
 		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
 				buf_info->page, buf_info->page_offset, frag_len,
@@ -276,11 +275,11 @@ static struct sk_buff *ionic_rx_copybreak(struct ionic_queue *q,
 		return NULL;
 	}
 
-	dma_sync_single_for_cpu(dev, ionic_rx_buf_pa(buf_info),
-				len, DMA_FROM_DEVICE);
+	dma_sync_single_range_for_cpu(dev, ionic_rx_buf_pa(buf_info),
+				      0, len, DMA_FROM_DEVICE);
 	skb_copy_to_linear_data(skb, ionic_rx_buf_va(buf_info), len);
-	dma_sync_single_for_device(dev, ionic_rx_buf_pa(buf_info),
-				   len, DMA_FROM_DEVICE);
+	dma_sync_single_range_for_device(dev, ionic_rx_buf_pa(buf_info),
+					 0, len, DMA_FROM_DEVICE);
 
 	skb_put(skb, len);
 	skb->protocol = eth_type_trans(skb, q->lif->netdev);
-- 
2.17.1