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authorJohn Fastabend <john.r.fastabend@intel.com>2010-07-19 13:59:03 (GMT)
committerDavid S. Miller <davem@davemloft.net>2010-07-20 03:23:36 (GMT)
commitfca562ad63d12a32a74b40c86dfe61de9a21fd73 (patch)
tree0b64fabd55aa9f930326e5c226ce2b5f27651d50 /drivers/net/ixgbe
parentb59544649d6bb5134ab56764836efc29241ae5e0 (diff)
downloadlinux-fca562ad63d12a32a74b40c86dfe61de9a21fd73.tar.xz
ixgbe: dcb, set DPF bit when PFC is enabled
Set the DPF bit when PFC is enabled. This will discard PFC frames so they do not get passed up the stack. The DPF bit is set for flow control, but not priority flow control this brings pfc inline with fc. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ixgbe')
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb_82599.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ixgbe/ixgbe_dcb_82599.c
index 4f7a26a..25b02fb 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_82599.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_82599.c
@@ -346,7 +346,7 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw,
*/
reg = IXGBE_READ_REG(hw, IXGBE_MFLCN);
reg &= ~IXGBE_MFLCN_RFCE;
- reg |= IXGBE_MFLCN_RPFCE;
+ reg |= IXGBE_MFLCN_RPFCE | IXGBE_MFLCN_DPF;
IXGBE_WRITE_REG(hw, IXGBE_MFLCN, reg);
out:
return 0;