[PATCH] skge: increase receive flush threshold default

The flush threshold in the MAC chip should be increased.
Found while reviewing vendor version of sk98lin driver.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 3990829d3c46..38fc66a1e14c 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -1780,7 +1780,12 @@ static void yukon_mac_init(struct skge_hw *hw, int port)
                 reg &= ~GMF_RX_F_FL_ON;
         skge_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR);
         skge_write16(hw, SK_REG(port, RX_GMF_CTRL_T), reg);
-        skge_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF);
+        /*
+         * because Pause Packet Truncation in GMAC is not working
+         * we have to increase the Flush Threshold to 64 bytes
+         * in order to flush pause packets in Rx FIFO on Yukon-1
+         */
+        skge_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF+1);
 
         /* Configure Tx MAC FIFO */
         skge_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR);