diff options
| author |   Ilias Apalodimas <ilias.apalodimas@linaro.org> | 2018-08-10 09:12:39 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-08-11 12:11:36 -0700 |
| commit | b6311b7bea41963c81da3ab58730dcc3c1aa388e (patch) | |
| tree | 530131f11344c9b2f84245507a2dd69dc27e6d30 | |
| parent | net: socionext: Use descriptor info instead of MMIO reads on Rx (diff) | |
| download | linux-dev-b6311b7bea41963c81da3ab58730dcc3c1aa388e.tar.xz linux-dev-b6311b7bea41963c81da3ab58730dcc3c1aa388e.zip | |
net: socionext: Increase descriptors to 256
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>
| -rw-r--r-- | drivers/net/ethernet/socionext/netsec.c | 5 |
1 files 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; |