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net: socionext: Increase descriptors to 256

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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>
This commit is contained in:
Ilias Apalodimas 2018-08-10 09:12:39 +03:00 committed by David S. Miller
parent 63ae7949e9
commit b6311b7bea
1 changed files with 2 additions and 3 deletions
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5
drivers/net/ethernet/socionext/netsec.c
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@ -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;