diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb_82599.c')
-rw-r--r-- | drivers/net/ixgbe/ixgbe_dcb_82599.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ixgbe/ixgbe_dcb_82599.c index 865ddd82b268..d50cf78c234d 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.c +++ b/drivers/net/ixgbe/ixgbe_dcb_82599.c @@ -301,12 +301,17 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en) IXGBE_WRITE_REG(hw, IXGBE_FCCFG, reg); /* * Enable Receive PFC - * We will always honor XOFF frames we receive when - * we are in PFC mode. + * 82599 will always honor XOFF frames we receive when + * we are in PFC mode however X540 only honors enabled + * traffic classes. */ reg = IXGBE_READ_REG(hw, IXGBE_MFLCN); reg &= ~IXGBE_MFLCN_RFCE; reg |= IXGBE_MFLCN_RPFCE | IXGBE_MFLCN_DPF; + + if (hw->mac.type == ixgbe_mac_X540) + reg |= pfc_en << IXGBE_MFLCN_RPFCE_SHIFT; + IXGBE_WRITE_REG(hw, IXGBE_MFLCN, reg); } else { |