[PATCH net-next v2 5/5] net: sh_eth: use NAPI

This patch modifies the driver to use NAPI.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh <at> renesas.com>
---
 about v2:
  - fix the condition which calls the netif_stop_queue()

 drivers/net/ethernet/renesas/sh_eth.c |  101 +++++++++++++++++++++------------
 drivers/net/ethernet/renesas/sh_eth.h |    3 +
 2 files changed, 67 insertions(+), 37 deletions(-)

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index c64a31c..9196777 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
 <at>  <at>  -1035,7 +1035,7  <at>  <at>  static int sh_eth_txfree(struct net_device *ndev)
 }

 /* Packet receive function */
-static int sh_eth_rx(struct net_device *ndev)
+static int sh_eth_rx(struct net_device *ndev, int *work, int budget)
 {
 	struct sh_eth_private *mdp = netdev_priv(ndev);
 	struct sh_eth_rxdesc *rxdesc;
 <at>  <at>  -1047,7 +1047,8  <at>  <at>  static int sh_eth_rx(struct net_device *ndev)
 	u32 desc_status;

 	rxdesc = &mdp->rx_ring[entry];
-	while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) {
+	while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT)) &&