From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 18 Jan 2015 20:17:28 +0000 (+0000)
Subject: ralink: improve check rx sg function. use check frags instead of function call
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a4460ca5a798251836e59ac57d0baeddb99ce765;p=openwrt%2Fstaging%2Fyousong.git

ralink: improve check rx sg function. use check frags instead of function call

Signed-off-by: michael lee <igvtee@gmail.com>

SVN-Revision: 44046
---

diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
index 5a681f8e43..ad74550a4d 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c
@@ -271,8 +271,8 @@ static int fe_alloc_rx(struct fe_priv *priv)
 			goto no_rx_mem;
 		priv->rx_dma[i].rxd1 = (unsigned int) dma_addr;
 
-		if (priv->soc->rx_dma)
-			priv->soc->rx_dma(&priv->rx_dma[i], priv->rx_buf_size);
+		if (priv->flags & FE_FLAG_RX_SG_DMA)
+			priv->rx_dma[i].rxd2 = RX_DMA_PLEN0(priv->rx_buf_size);
 		else
 			priv->rx_dma[i].rxd2 = RX_DMA_LSO;
 	}
@@ -827,8 +827,8 @@ static int fe_poll_rx(struct napi_struct *napi, int budget,
 		rxd->rxd1 = (unsigned int) dma_addr;
 
 release_desc:
-		if (soc->rx_dma)
-			soc->rx_dma(rxd, priv->rx_buf_size);
+		if (priv->flags & FE_FLAG_RX_SG_DMA)
+			rxd->rxd2 = RX_DMA_PLEN0(priv->rx_buf_size);
 		else
 			rxd->rxd2 = RX_DMA_LSO;
 
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
index 56bef3453f..9bbd8d4c6a 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h
@@ -380,7 +380,6 @@ struct fe_soc_data
 	void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
 	int (*fwd_config)(struct fe_priv *priv);
 	void (*tx_dma)(struct fe_tx_dma *txd);
-	void (*rx_dma)(struct fe_rx_dma *rxd, u16 len);
 	int (*switch_init)(struct fe_priv *priv);
 	int (*switch_config)(struct fe_priv *priv);
 	void (*port_init)(struct fe_priv *priv, struct device_node *port);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c
index 05f3708794..5a7ee35eb0 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c
@@ -168,17 +168,13 @@ static void mt7621_tx_dma(struct fe_tx_dma *txd)
 	txd->txd4 = BIT(25);
 }
 
-static void mt7620_rx_dma(struct fe_rx_dma *rxd, u16 len)
-{
-	rxd->rxd2 = RX_DMA_PLEN0(len);
-}
-
 static void mt7620_init_data(struct fe_soc_data *data,
 		struct net_device *netdev)
 {
 	struct fe_priv *priv = netdev_priv(netdev);
 
-	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET;
+	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
+		FE_FLAG_RX_SG_DMA;
 	netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
 		NETIF_F_HW_VLAN_CTAG_TX;
 
@@ -192,7 +188,8 @@ static void mt7621_init_data(struct fe_soc_data *data,
 {
 	struct fe_priv *priv = netdev_priv(netdev);
 
-	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET;
+	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
+		FE_FLAG_RX_SG_DMA;
 	netdev->hw_features = NETIF_F_HW_VLAN_CTAG_TX;
 }
 
@@ -214,7 +211,6 @@ static struct fe_soc_data mt7620_data = {
 	.set_mac = mt7620_set_mac,
 	.fwd_config = mt7620_fwd_config,
 	.tx_dma = mt7620_tx_dma,
-	.rx_dma = mt7620_rx_dma,
 	.switch_init = mt7620_gsw_probe,
 	.switch_config = mt7620_gsw_config,
 	.port_init = mt7620_port_init,
@@ -237,7 +233,6 @@ static struct fe_soc_data mt7621_data = {
 	.set_mac = mt7621_set_mac,
 	.fwd_config = mt7621_fwd_config,
 	.tx_dma = mt7621_tx_dma,
-	.rx_dma = mt7620_rx_dma,
 	.switch_init = mt7620_gsw_probe,
 	.switch_config = mt7621_gsw_config,
 	.reg_table = mt7621_reg_table,