Add support for restoring TCP SYN filter in SW.
Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
Signed-off-by: Wei Zhao <wei.zh...@intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 6c46354..6cd5975 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -7945,11 +7945,29 @@ ixgbe_ethertype_filter_restore(struct rte_eth_dev *dev)
}
}
+/* restore SYN filter */
+static inline void
+ixgbe_syn_filter_restore(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct ixgbe_filter_info *filter_info =
+ IXGBE_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ uint32_t synqf;
+
+ synqf = filter_info->syn_info;
+
+ if (synqf & IXGBE_SYN_FILTER_ENABLE) {
+ IXGBE_WRITE_REG(hw, IXGBE_SYNQF, synqf);
+ IXGBE_WRITE_FLUSH(hw);
+ }
+}
+
static int
ixgbe_filter_restore(struct rte_eth_dev *dev)
{
ixgbe_ntuple_filter_restore(dev);
ixgbe_ethertype_filter_restore(dev);
+ ixgbe_syn_filter_restore(dev);
return 0;
}
--
2.5.5
