ixgbe: Add support for the new ethtool n-tuple programming interface
This patch adds n-tuple filter programming to 82599.
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>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 2a3c831..f04b539 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -3253,6 +3253,9 @@
netif_carrier_off(netdev);
+ /* clear n-tuple filters that are cached */
+ ethtool_ntuple_flush(netdev);
+
if (!pci_channel_offline(adapter->pdev))
ixgbe_reset(adapter);
ixgbe_clean_all_tx_rings(adapter);
@@ -4187,6 +4190,7 @@
{
struct ixgbe_hw *hw = &adapter->hw;
struct pci_dev *pdev = adapter->pdev;
+ struct net_device *dev = adapter->netdev;
unsigned int rss;
#ifdef CONFIG_IXGBE_DCB
int j;
@@ -4214,10 +4218,18 @@
adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599;
adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
- adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
+ if (dev->features & NETIF_F_NTUPLE) {
+ /* Flow Director perfect filter enabled */
+ adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
+ adapter->atr_sample_rate = 0;
+ spin_lock_init(&adapter->fdir_perfect_lock);
+ } else {
+ /* Flow Director hash filters enabled */
+ adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
+ adapter->atr_sample_rate = 20;
+ }
adapter->ring_feature[RING_F_FDIR].indices =
IXGBE_MAX_FDIR_INDICES;
- adapter->atr_sample_rate = 20;
adapter->fdir_pballoc = 0;
#ifdef IXGBE_FCOE
adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE;