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authorKunihiko Hayashi <hayashi.kunihiko@socionext.com>2018-11-29 17:08:36 +0900
committerDavid S. Miller <davem@davemloft.net>2018-11-29 10:38:39 -0800
commit09ee3b4a249dd5c64da7d25a52a4ce42a49d647a (patch)
tree6dfa382c506b1de00695d15e461358b64bf0a399 /drivers/net/ethernet/socionext
parent60b548237fed4b4164bab13c994dd9615f6c4323 (diff)
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net: ethernet: ave: Increase descriptors to improve performance
To improve performance, this increases Rx descriptor to 256, Tx descriptor to 64, and adjusts NAPI weight to NAPI_POLL_WEIGHT. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/socionext')
-rw-r--r--drivers/net/ethernet/socionext/sni_ave.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c
index 6732f5cbde08..29b5b12bce6c 100644
--- a/drivers/net/ethernet/socionext/sni_ave.c
+++ b/drivers/net/ethernet/socionext/sni_ave.c
@@ -185,8 +185,8 @@
NETIF_MSG_TX_ERR)
/* Parameter for descriptor */
-#define AVE_NR_TXDESC 32 /* Tx descriptor */
-#define AVE_NR_RXDESC 64 /* Rx descriptor */
+#define AVE_NR_TXDESC 64 /* Tx descriptor */
+#define AVE_NR_RXDESC 256 /* Rx descriptor */
#define AVE_DESC_OFS_CMDSTS 0
#define AVE_DESC_OFS_ADDRL 4
@@ -1689,9 +1689,10 @@ static int ave_probe(struct platform_device *pdev)
pdev->name, pdev->id);
/* Register as a NAPI supported driver */
- netif_napi_add(ndev, &priv->napi_rx, ave_napi_poll_rx, priv->rx.ndesc);
+ netif_napi_add(ndev, &priv->napi_rx, ave_napi_poll_rx,
+ NAPI_POLL_WEIGHT);
netif_tx_napi_add(ndev, &priv->napi_tx, ave_napi_poll_tx,
- priv->tx.ndesc);
+ NAPI_POLL_WEIGHT);
platform_set_drvdata(pdev, ndev);