[BNX2]: Fine-tune flow control on 5709.

Make use of the programmable high/low water marks in 5709 for
802.3 flow control.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index c5fe34013548..3aa0364942e2 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -348,6 +348,12 @@ struct l2_fhdr {
 #define BNX2_L2CTX_BD_PRE_READ                          0x00000000
 #define BNX2_L2CTX_CTX_SIZE                             0x00000000
 #define BNX2_L2CTX_CTX_TYPE                             0x00000000
+#define BNX2_L2CTX_LO_WATER_MARK_DEFAULT                 32
+#define BNX2_L2CTX_LO_WATER_MARK_SCALE                   4
+#define BNX2_L2CTX_LO_WATER_MARK_DIS                     0
+#define BNX2_L2CTX_HI_WATER_MARK_SHIFT                   4
+#define BNX2_L2CTX_HI_WATER_MARK_SCALE                   16
+#define BNX2_L2CTX_WATER_MARKS_MSK                       0x000000ff
 #define BNX2_L2CTX_CTX_TYPE_SIZE_L2                      ((0x20/20)<<16)
 #define BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE              (0xf<<28)
 #define BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_UNDEFINED    (0<<28)
@@ -4494,6 +4500,9 @@ struct l2_fhdr {
 #define BNX2_MQ_MAP_L2_3_ENA                             (0x1L<<31)
 #define BNX2_MQ_MAP_L2_3_DEFAULT                         0x82004646
 
+#define BNX2_MQ_MAP_L2_5                                0x00003d34
+#define BNX2_MQ_MAP_L2_5_ARM                             (0x3L<<26)
+
 /*
  *  tsch_reg definition
  *  offset: 0x4c00
@@ -6405,7 +6414,7 @@ struct l2_fhdr {
 
 #define RX_COPY_THRESH                  128
 
-#define BNX2_MISC_ENABLE_DEFAULT        0x7ffffff
+#define BNX2_MISC_ENABLE_DEFAULT        0x17ffffff
 
 #define DMA_READ_CHANS  5
 #define DMA_WRITE_CHANS 3