From 686050b2b2b7f4e7b54632627d4ef8981c543959 Mon Sep 17 00:00:00 2001 From: Sieng Piaw Liew <liew.s.piaw@gmail.com> Date: Wed, 29 Jun 2022 16:11:38 +0800 Subject: [PATCH] bmips: batch process rx path Use netif_receive_skb_list() to batch process rx skb. This improves cache efficiency. Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com> --- .../files/drivers/net/ethernet/broadcom/bcm6368-enetsw.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/target/linux/bmips/files/drivers/net/ethernet/broadcom/bcm6368-enetsw.c b/target/linux/bmips/files/drivers/net/ethernet/broadcom/bcm6368-enetsw.c index 04884a122d..b7485ca51a 100644 --- a/target/linux/bmips/files/drivers/net/ethernet/broadcom/bcm6368-enetsw.c +++ b/target/linux/bmips/files/drivers/net/ethernet/broadcom/bcm6368-enetsw.c @@ -334,8 +334,11 @@ static int bcm6368_enetsw_receive_queue(struct net_device *dev, int budget) { struct bcm6368_enetsw *priv = netdev_priv(dev); struct device *kdev = &priv->pdev->dev; + struct list_head rx_list; int processed = 0; + INIT_LIST_HEAD(&rx_list); + /* don't scan ring further than number of refilled * descriptor */ if (budget > priv->rx_desc_count) @@ -418,9 +421,10 @@ static int bcm6368_enetsw_receive_queue(struct net_device *dev, int budget) skb->protocol = eth_type_trans(skb, dev); dev->stats.rx_packets++; dev->stats.rx_bytes += len; - netif_receive_skb(skb); + list_add_tail(&skb->list, &rx_list); } while (processed < budget); + netif_receive_skb_list(&rx_list); priv->rx_desc_count -= processed; if (processed || !priv->rx_desc_count) { -- 2.30.2