ucc_geth: Fix the wrong the Rx/Tx FIFO size

current the Rx/Tx FIFO size settings cause problem
when four UEC ethernets work simultaneously.

eg: GETH1, UEM-J15, GETH2, UEC-J5 on 8569MDS board

 $ ifconfig eth0 10.193.20.166
 $ ifconfig eth1 10.193.20.167
 $ ifconfig eth2 10.193.20.168
 then
 $ ifconfig eth3 10.193.20.169

The fourth ethernet will cause all of interface broken,
you cann't ping successfully any more.
The patch fix this issue for MPC8569 Rev1.0 and Rev2.0

Signed-off-by: Dave Liu <daveliu@freescale.com>
Acked-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ucc_geth.h b/drivers/net/ucc_geth.h
index a007e2acf651bd2871b046dfebbc0439b3e03941..ef1fbeb11c6e88ac09ef0ba55e6e9e33364100be 100644 (file)
--- a/drivers/net/ucc_geth.h
+++ b/drivers/net/ucc_geth.h
@@ -838,13 +838,13 @@ struct ucc_geth_hardware_statistics {
                                                           using the maximum is
                                                           easier */
 #define UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT 32
-#define UCC_GETH_SCHEDULER_ALIGNMENT           4       /* This is a guess */
+#define UCC_GETH_SCHEDULER_ALIGNMENT           8       /* This is a guess */
 #define UCC_GETH_TX_STATISTICS_ALIGNMENT       4       /* This is a guess */
 #define UCC_GETH_RX_STATISTICS_ALIGNMENT       4       /* This is a guess */
 #define UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT     64
 #define UCC_GETH_RX_BD_QUEUES_ALIGNMENT                8       /* This is a guess */
 #define UCC_GETH_RX_PREFETCHED_BDS_ALIGNMENT   128     /* This is a guess */
-#define UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 4   /* This
+#define UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 8   /* This
                                                                           is a
                                                                           guess
                                                                         */
@@ -899,16 +899,17 @@ struct ucc_geth_hardware_statistics {
 #define UCC_GETH_UTFS_INIT                      512    /* Tx virtual FIFO size
                                                         */
 #define UCC_GETH_UTFET_INIT                     256    /* 1/2 utfs */
-#define UCC_GETH_UTFTT_INIT                     128
+#define UCC_GETH_UTFTT_INIT                     512
 /* Gigabit Ethernet (1000 Mbps) */
 #define UCC_GETH_URFS_GIGA_INIT                 4096/*2048*/   /* Rx virtual
                                                                   FIFO size */
 #define UCC_GETH_URFET_GIGA_INIT                2048/*1024*/   /* 1/2 urfs */
 #define UCC_GETH_URFSET_GIGA_INIT               3072/*1536*/   /* 3/4 urfs */
-#define UCC_GETH_UTFS_GIGA_INIT                 8192/*2048*/   /* Tx virtual
+#define UCC_GETH_UTFS_GIGA_INIT                 4096/*2048*/   /* Tx virtual
+                                                                  FIFO size */
+#define UCC_GETH_UTFET_GIGA_INIT                2048/*1024*/   /* 1/2 utfs */
+#define UCC_GETH_UTFTT_GIGA_INIT                4096/*0x40*/   /* Tx virtual
                                                                   FIFO size */
-#define UCC_GETH_UTFET_GIGA_INIT                4096/*1024*/   /* 1/2 utfs */
-#define UCC_GETH_UTFTT_GIGA_INIT                0x400/*0x40*/  /* */
 
 #define UCC_GETH_REMODER_INIT                   0      /* bits that must be
                                                           set */