diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index a2c14bfd4b3f..fc3c33a2c205 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -2595,12 +2595,15 @@ void ixgbe_configure_tx_ring(struct ixgbe_adapter *adapter, * to or less than the number of on chip descriptors, which is * currently 40. */ - if (!adapter->tx_itr_setting || !adapter->rx_itr_setting) + if (!ring->q_vector || (ring->q_vector->itr < 8)) txdctl |= (1 << 16); /* WTHRESH = 1 */ else txdctl |= (8 << 16); /* WTHRESH = 8 */ - /* PTHRESH=32 is needed to avoid a Tx hang with DFP enabled. */ + /* + * Setting PTHRESH to 32 both improves performance + * and avoids a TX hang with DFP enabled + */ txdctl |= (1 << 8) | /* HTHRESH = 1 */ 32; /* PTHRESH = 32 */ |
