[PATCH v2 07/18] net/ixgbe: restore flow director filter

[Wei Zhao <wei.zhao1@intel.com>]

Add support for storing flow director filter in SW.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
---
 drivers/net/ixgbe/ixgbe_ethdev.c |  1 +
 drivers/net/ixgbe/ixgbe_ethdev.h |  1 +
 drivers/net/ixgbe/ixgbe_fdir.c   | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 7281ba5..83485a2 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -7922,6 +7922,7 @@ ixgbe_filter_restore(struct rte_eth_dev *dev)
 	ixgbe_ntuple_filter_restore(dev);
 	ixgbe_ethertype_filter_restore(dev);
 	ixgbe_syn_filter_restore(dev);
+	ixgbe_fdir_filter_restore(dev);
 
 	return 0;
 }
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h
index c30a8c0..d6253ad 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
@@ -491,6 +491,7 @@ uint32_t ixgbe_convert_vm_rx_mask_to_val(uint16_t rx_mask, uint32_t orig_val);
 
 int ixgbe_fdir_ctrl_func(struct rte_eth_dev *dev,
 			enum rte_filter_op filter_op, void *arg);
+void ixgbe_fdir_filter_restore(struct rte_eth_dev *dev);
 
 static inline int
 ixgbe_ethertype_filter_lookup(struct ixgbe_filter_info *filter_info,
diff --git a/drivers/net/ixgbe/ixgbe_fdir.c b/drivers/net/ixgbe/ixgbe_fdir.c
index bfcd294..d390972 100644
--- a/drivers/net/ixgbe/ixgbe_fdir.c
+++ b/drivers/net/ixgbe/ixgbe_fdir.c
@@ -1479,3 +1479,38 @@ ixgbe_fdir_ctrl_func(struct rte_eth_dev *dev,
 	}
 	return ret;
 }
+
+/* restore flow director filter */
+void
+ixgbe_fdir_filter_restore(struct rte_eth_dev *dev)
+{
+	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct ixgbe_hw_fdir_info *fdir_info =
+		IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
+	struct ixgbe_fdir_filter *node;
+	bool is_perfect = FALSE;
+	enum rte_fdir_mode fdir_mode = dev->data->dev_conf.fdir_conf.mode;
+
+	if (fdir_mode >= RTE_FDIR_MODE_PERFECT &&
+	    fdir_mode <= RTE_FDIR_MODE_PERFECT_TUNNEL)
+		is_perfect = TRUE;
+
+	if (is_perfect) {
+		TAILQ_FOREACH(node, &fdir_info->fdir_list, entries) {
+			(void)fdir_write_perfect_filter_82599(hw,
+							      &node->ixgbe_fdir,
+							      node->queue,
+							      node->fdirflags,
+							      node->fdirhash,
+							      fdir_mode);
+		}
+	} else {
+		TAILQ_FOREACH(node, &fdir_info->fdir_list, entries) {
+			(void)fdir_add_signature_filter_82599(hw,
+							      &node->ixgbe_fdir,
+							      node->queue,
+							      node->fdirflags,
+							      node->fdirhash);
+		}
+	}
+}
-- 
2.5.5