i40e/i40evf: Add ATR HW eviction support for X722
X722 supports evicting ATR filters in the HW. With this patch, we enable
the feature in the driver and avoid filter deletion by the driver.
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 57dc5d2..738aca6 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2040,6 +2040,13 @@
/* Due to lack of space, no more new filters can be programmed */
if (th->syn && (pf->auto_disable_flags & I40E_FLAG_FD_ATR_ENABLED))
return;
+ if (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE) {
+ /* HW ATR eviction will take care of removing filters on FIN
+ * and RST packets.
+ */
+ if (th->fin || th->rst)
+ return;
+ }
tx_ring->atr_count++;
@@ -2095,6 +2102,9 @@
I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) &
I40E_TXD_FLTR_QW1_CNTINDEX_MASK;
+ if (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE)
+ dtype_cmd |= I40E_TXD_FLTR_QW1_ATR_MASK;
+
fdir_desc->qindex_flex_ptype_vsi = cpu_to_le32(flex_ptype);
fdir_desc->rsvd = cpu_to_le32(0);
fdir_desc->dtype_cmd_cntindex = cpu_to_le32(dtype_cmd);