net: mediatek: fix usability with wget command
The wget command currently cannot work correctly with mtk_eth driver.
This patch fixed this by increase DMA ring size and invalidate ring data
after use.
diff --git a/drivers/net/mtk_eth.c b/drivers/net/mtk_eth.c
index 888e8c1..454caa3 100644
--- a/drivers/net/mtk_eth.c
+++ b/drivers/net/mtk_eth.c
@@ -29,8 +29,8 @@
#include "mtk_eth.h"
-#define NUM_TX_DESC 24
-#define NUM_RX_DESC 24
+#define NUM_TX_DESC 32
+#define NUM_RX_DESC 32
#define TX_TOTAL_BUF_SIZE (NUM_TX_DESC * PKTSIZE_ALIGN)
#define RX_TOTAL_BUF_SIZE (NUM_RX_DESC * PKTSIZE_ALIGN)
#define TOTAL_PKT_BUF_SIZE (TX_TOTAL_BUF_SIZE + RX_TOTAL_BUF_SIZE)
@@ -1897,6 +1897,9 @@
rxd = priv->rx_ring_noc + idx * priv->soc->rxd_size;
+ invalidate_dcache_range((ulong)rxd->rxd1,
+ (ulong)rxd->rxd1 + PKTSIZE_ALIGN);
+
if (MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V2) ||
MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V3))
rxd->rxd2 = PDMA_V2_RXD2_PLEN0_SET(PKTSIZE_ALIGN);