From: Roi Dayan <roid@mellanox.com>
Date: Tue, 30 Jun 2020 15:40:37 +0300
Subject: net/mlx5e: CT: Fix releasing ft entries
Patch-mainline: v5.9-rc1
Git-commit: bbe1124944de2f78eaf3141d05f957f8391e7899
References: jsc#SLE-15172

Before this commit, on ft flush, ft entries were not removed
from the ct_tuple hashtables. Fix it.

Fixes: ac991b48d43c ("net/mlx5e: CT: Offload established flows")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c |   23 +++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
@@ -817,6 +817,19 @@ err_set:
 	return err;
 }
 
+static void
+mlx5_tc_ct_del_ft_entry(struct mlx5_tc_ct_priv *ct_priv,
+			struct mlx5_ct_entry *entry)
+{
+	mlx5_tc_ct_entry_del_rules(ct_priv, entry);
+	if (entry->tuple_node.next)
+		rhashtable_remove_fast(&ct_priv->ct_tuples_nat_ht,
+				       &entry->tuple_nat_node,
+				       tuples_nat_ht_params);
+	rhashtable_remove_fast(&ct_priv->ct_tuples_ht, &entry->tuple_node,
+			       tuples_ht_params);
+}
+
 static int
 mlx5_tc_ct_block_flow_offload_del(struct mlx5_ct_ft *ft,
 				  struct flow_cls_offload *flow)
@@ -829,13 +842,7 @@ mlx5_tc_ct_block_flow_offload_del(struct
 	if (!entry)
 		return -ENOENT;
 
-	mlx5_tc_ct_entry_del_rules(ft->ct_priv, entry);
-	if (entry->tuple_node.next)
-		rhashtable_remove_fast(&ft->ct_priv->ct_tuples_nat_ht,
-				       &entry->tuple_nat_node,
-				       tuples_nat_ht_params);
-	rhashtable_remove_fast(&ft->ct_priv->ct_tuples_ht, &entry->tuple_node,
-			       tuples_ht_params);
+	mlx5_tc_ct_del_ft_entry(ft->ct_priv, entry);
 	WARN_ON(rhashtable_remove_fast(&ft->ct_entries_ht,
 				       &entry->node,
 				       cts_ht_params));
@@ -1348,7 +1355,7 @@ mlx5_tc_ct_flush_ft_entry(void *ptr, voi
 	struct mlx5_tc_ct_priv *ct_priv = arg;
 	struct mlx5_ct_entry *entry = ptr;
 
-	mlx5_tc_ct_entry_del_rules(ct_priv, entry);
+	mlx5_tc_ct_del_ft_entry(ct_priv, entry);
 	kfree(entry);
 }