From 980e0502ce10ec3eca9879026feb2d9ee087b52a Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 13 Jan 2015 00:34:45 +0000
Subject: ramips: use a larger number of rx descriptors on mt7621 to work
around rx overrun related packet loss
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43953 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h | 4 ++++
1 file changed, 4 insertions(+)
(limited to 'target/linux')
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 d26acf23d5..41e1268b00 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
@@ -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
--
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