netdev - [PATCH] net: ethernet: ti: cpsw: fix tx vlan priority mapping

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Message-Id: <1523543140-20747-1-git-send-email-ivan.khoronzhuk@linaro.org>
Date:   Thu, 12 Apr 2018 17:25:40 +0300
From:   Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
To:     grygorii.strashko@...com
Cc:     davem@...emloft.net, linux-omap@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
Subject: [PATCH] net: ethernet: ti: cpsw: fix tx vlan priority mapping

The CPDMA_TX_PRIORITY_MAP in real is vlan pcp field priority mapping
register and basically replaces vlan pcp field for tagged packets.
So, set it to be 1:1 mapping.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
---
Based on net/master

 drivers/net/ethernet/ti/cpsw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 3037127..74f8284 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -129,7 +129,7 @@ do {								\
 
 #define RX_PRIORITY_MAPPING	0x76543210
 #define TX_PRIORITY_MAPPING	0x33221100
-#define CPDMA_TX_PRIORITY_MAP	0x01234567
+#define CPDMA_TX_PRIORITY_MAP	0x76543210
 
 #define CPSW_VLAN_AWARE		BIT(1)
 #define CPSW_RX_VLAN_ENCAP	BIT(2)
-- 
2.7.4