[PATCH net 1/3] net: ethernet: ave: Increase descriptors to improve performance

[Kunihiko Hayashi]

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.kunih...@socionext.com>
---
 drivers/net/ethernet/socionext/sni_ave.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/socionext/sni_ave.c 
b/drivers/net/ethernet/socionext/sni_ave.c
index 8c1e120..598b963 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
@@ -1694,9 +1694,10 @@ 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);
 
-- 
2.7.4