mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 10:08:59 +00:00
f323dec4f8
Runtime-tested on Comtrend AR-5387un. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
56 lines
1.8 KiB
Diff
56 lines
1.8 KiB
Diff
From 9cbfea02c1dbee0afb9128f065e6e793672b9ff7 Mon Sep 17 00:00:00 2001
|
|
From: Sieng Piaw Liew <liew.s.piaw@gmail.com>
|
|
Date: Wed, 6 Jan 2021 22:42:02 +0800
|
|
Subject: [PATCH 1/7] bcm63xx_enet: batch process rx path
|
|
|
|
Use netif_receive_skb_list to batch process rx skb.
|
|
Tested on BCM6328 320 MHz using iperf3 -M 512, increasing performance
|
|
by 12.5%.
|
|
|
|
Before:
|
|
[ ID] Interval Transfer Bandwidth Retr
|
|
[ 4] 0.00-30.00 sec 120 MBytes 33.7 Mbits/sec 277 sender
|
|
[ 4] 0.00-30.00 sec 120 MBytes 33.5 Mbits/sec receiver
|
|
|
|
After:
|
|
[ ID] Interval Transfer Bandwidth Retr
|
|
[ 4] 0.00-30.00 sec 136 MBytes 37.9 Mbits/sec 203 sender
|
|
[ 4] 0.00-30.00 sec 135 MBytes 37.7 Mbits/sec receiver
|
|
|
|
Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com>
|
|
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
|
|
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
---
|
|
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 6 +++++-
|
|
1 file changed, 5 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
|
|
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
|
|
@@ -297,10 +297,12 @@ static void bcm_enet_refill_rx_timer(str
|
|
static int bcm_enet_receive_queue(struct net_device *dev, int budget)
|
|
{
|
|
struct bcm_enet_priv *priv;
|
|
+ struct list_head rx_list;
|
|
struct device *kdev;
|
|
int processed;
|
|
|
|
priv = netdev_priv(dev);
|
|
+ INIT_LIST_HEAD(&rx_list);
|
|
kdev = &priv->pdev->dev;
|
|
processed = 0;
|
|
|
|
@@ -391,10 +393,12 @@ static int bcm_enet_receive_queue(struct
|
|
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 (--budget > 0);
|
|
|
|
+ netif_receive_skb_list(&rx_list);
|
|
+
|
|
if (processed || !priv->rx_desc_count) {
|
|
bcm_enet_refill_rx(dev);
|
|
|