ixgbe: Enable another bit for flow control operation

The discard pause frames bit was not enabled, so flow control frames could
be passed up to the host.  Enabled DPF to keep the frames off the stack.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c
index de4db0dc7879..63aacd53aab7 100644
--- a/drivers/net/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ixgbe/ixgbe_82598.c
@@ -322,6 +322,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
         }
 
         /* Enable 802.3x based flow control settings. */
+        fctrl_reg |= IXGBE_FCTRL_DPF;
         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
         IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
 
diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 63ab6671d08e..846c9deeaa7a 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -1700,6 +1700,7 @@ s32 ixgbe_fc_enable(struct ixgbe_hw *hw, s32 packetbuf_num)
         }
 
         /* Enable 802.3x based flow control settings. */
+        mflcn_reg |= IXGBE_MFLCN_DPF;
         IXGBE_WRITE_REG(hw, IXGBE_MFLCN, mflcn_reg);
         IXGBE_WRITE_REG(hw, IXGBE_FCCFG, fccfg_reg);