diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_common.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c index 98e1ddde3104..ce61b36b94f1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c @@ -2164,10 +2164,11 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw) /* * In order to prevent Tx hangs when the internal Tx * switch is enabled we must set the high water mark - * to the maximum FCRTH value. This allows the Tx - * switch to function even under heavy Rx workloads. + * to the Rx packet buffer size - 24KB. This allows + * the Tx switch to function even under heavy Rx + * workloads. */ - fcrth = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)) - 32; + fcrth = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)) - 24576; } IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), fcrth); |