From: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Date: Fri, 10 Aug 2018 09:12:39 +0300
Subject: net: socionext: Increase descriptors to 256
Git-commit: b6311b7bea41963c81da3ab58730dcc3c1aa388e
Patch-mainline: v4.19-rc1
References: bsc#1132778
Increasing descriptors to 256 from 128 and adjusting the NAPI weight
to 64 increases performace on Rx by ~20% on 64byte packets
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/net/ethernet/socionext/netsec.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
index 334b6189b011..7aa5ebb6766c 100644
--- a/drivers/net/ethernet/socionext/netsec.c
+++ b/drivers/net/ethernet/socionext/netsec.c
@@ -232,8 +232,7 @@
#define NETSEC_EEPROM_PKT_ME_ADDRESS 0x20
#define NETSEC_EEPROM_PKT_ME_SIZE 0x24
-#define DESC_NUM 128
-#define NAPI_BUDGET (DESC_NUM / 2)
+#define DESC_NUM 256
#define DESC_SZ sizeof(struct netsec_de)
@@ -1659,7 +1658,7 @@ static int netsec_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "hardware revision %d.%d\n",
hw_ver >> 16, hw_ver & 0xffff);
- netif_napi_add(ndev, &priv->napi, netsec_napi_poll, NAPI_BUDGET);
+ netif_napi_add(ndev, &priv->napi, netsec_napi_poll, NAPI_POLL_WEIGHT);
ndev->netdev_ops = &netsec_netdev_ops;
ndev->ethtool_ops = &netsec_ethtool_ops;
--
2.11.0