ramips: use a larger number of rx descriptors on mt7621 to work around rx overrun...

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43953 3c298f89-4303-0410-b956-a3cf2f4a3e73

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 d26acf2..41e1268 100644 (file)
--- 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
@@ -47,7 +47,11 @@ enum fe_reg {
 #define FE_DRV_VERSION         "0.1.0"
 
 /* power of 2 to let NEXT_TX_DESP_IDX work */
+#ifdef CONFIG_SOC_MT7621
+#define NUM_DMA_DESC           (1 << 9)
+#else
 #define NUM_DMA_DESC           (1 << 7)
+#endif
 #define MAX_DMA_DESC           0xfff
 
 #define FE_DELAY_EN_INT                0x80