net: mvpp2x: decrease size of AGGR_TXQ and CPU_DESC_CHUNK

U-boot use single physical tx queue with size 16 descriptors.
So aggregated tx queue size should be equal to physical tx queue
and cpu descriptor chunk(number of descriptors delivered from
physical tx queue to aggregated tx queue by one chunk) shouldn't be
larger than physical tx queue.

Fix:
Set AGGR_TXQ and CPU_DESC_CHUNK to be 16 descriptors, same as
physical TXQ.

Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Tested-by: iSoC Platform CI <ykjenk@marvell.com>
Reviewed-by: Nadav Haklai <nadavh@marvell.com>
Reviewed-by: Igal Liberman <igall@marvell.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c
index 426b2c2dce29b58b07921c163eaf789c77b42368..355eb39293b5d756f10d939801531c3b6f1e6b0d 100644 (file)
--- a/drivers/net/mvpp2.c
+++ b/drivers/net/mvpp2.c
@@ -617,10 +617,10 @@ enum mv_netc_lanes {
 #define MVPP2_MAX_TXD                  16
 
 /* Amount of Tx descriptors that can be reserved at once by CPU */
-#define MVPP2_CPU_DESC_CHUNK           64
+#define MVPP2_CPU_DESC_CHUNK           16
 
 /* Max number of Tx descriptors in each aggregated queue */
-#define MVPP2_AGGR_TXQ_SIZE            256
+#define MVPP2_AGGR_TXQ_SIZE            16
 
 /* Descriptor aligned size */
 #define MVPP2_DESC_ALIGNED_SIZE                32