[dpdk-dev] [PATCH v2 18/37] net/txgbe: add FDIR restore operation

[Jiawen Wu <jiawenwu@trustnetic.com>]

Add restore operation on FDIR filter.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/txgbe/txgbe_ethdev.c |  1 +
 drivers/net/txgbe/txgbe_ethdev.h |  2 ++
 drivers/net/txgbe/txgbe_fdir.c   | 34 ++++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index 75a170764..32c4b15c1 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -4893,6 +4893,7 @@ txgbe_filter_restore(struct rte_eth_dev *dev)
 	txgbe_ntuple_filter_restore(dev);
 	txgbe_ethertype_filter_restore(dev);
 	txgbe_syn_filter_restore(dev);
+	txgbe_fdir_filter_restore(dev);
 	txgbe_l2_tn_filter_restore(dev);
 
 	return 0;
diff --git a/drivers/net/txgbe/txgbe_ethdev.h b/drivers/net/txgbe/txgbe_ethdev.h
index ad72e1750..47b095e4f 100644
--- a/drivers/net/txgbe/txgbe_ethdev.h
+++ b/drivers/net/txgbe/txgbe_ethdev.h
@@ -469,6 +469,8 @@ int txgbe_pf_host_configure(struct rte_eth_dev *eth_dev);
 
 uint32_t txgbe_convert_vm_rx_mask_to_val(uint16_t rx_mask, uint32_t orig_val);
 
+void txgbe_fdir_filter_restore(struct rte_eth_dev *dev);
+
 void txgbe_clear_all_ethertype_filter(struct rte_eth_dev *dev);
 void txgbe_clear_all_ntuple_filter(struct rte_eth_dev *dev);
 void txgbe_clear_syn_filter(struct rte_eth_dev *dev);
diff --git a/drivers/net/txgbe/txgbe_fdir.c b/drivers/net/txgbe/txgbe_fdir.c
index d38e21e9e..2faf7fd84 100644
--- a/drivers/net/txgbe/txgbe_fdir.c
+++ b/drivers/net/txgbe/txgbe_fdir.c
@@ -875,3 +875,37 @@ txgbe_fdir_filter_program(struct rte_eth_dev *dev,
 	return err;
 }
 
+/* restore flow director filter */
+void
+txgbe_fdir_filter_restore(struct rte_eth_dev *dev)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+	struct txgbe_hw_fdir_info *fdir_info = TXGBE_DEV_FDIR(dev);
+	struct txgbe_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(hw,
+							      &node->input,
+							      node->queue,
+							      node->fdirflags,
+							      node->fdirhash,
+							      fdir_mode);
+		}
+	} else {
+		TAILQ_FOREACH(node, &fdir_info->fdir_list, entries) {
+			(void)fdir_add_signature_filter(hw,
+							      &node->input,
+							      node->queue,
+							      node->fdirflags,
+							      node->fdirhash);
+		}
+	}
+}
+
-- 
2.18.4