| Message ID | 1524167349-11004-1-git-send-email-ivan.khoronzhuk@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Date: Thu, 19 Apr 2018 22:49:09 +0300 > 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. Otherwise, it will cause unexpected > change of egress vlan tagged packets, like prio 2 -> prio 5. > > Fixes: e05107e6b747 ("net: ethernet: ti: cpsw: add multi queue support") > Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> > Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> > --- Applied and queud up for -stable. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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)
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. Otherwise, it will cause unexpected change of egress vlan tagged packets, like prio 2 -> prio 5. Fixes: e05107e6b747 ("net: ethernet: ti: cpsw: add multi queue support") Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> --- Based on net/master drivers/net/ethernet/ti/cpsw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)