From: Yevgeny Kliteynik <kliteyn@nvidia.com>
Date: Wed, 29 Jun 2022 10:19:36 +0000 (+0300)
Subject: net/mlx5: DR, In rehash write the line in the entry immediately
X-Git-Tag: v6.2-rc1~99^2~338^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1bea2dc7f4ff30bd785e1949d237cd2ce1e87c4f;p=thirdparty%2Flinux.git

net/mlx5: DR, In rehash write the line in the entry immediately

Don't wait for the whole table to be ready - write each row immediately.
This way we save allocations of the ste_send_info structure and improve
performance.

Signed-off-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
index 6cbc444ad7919..22878dcd7c8b5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
@@ -358,6 +358,15 @@ static int dr_rule_rehash_copy_htbl(struct mlx5dr_matcher *matcher,
 						    update_list);
 		if (err)
 			goto clean_copy;
+
+		/* In order to decrease the number of allocated ste_send_info
+		 * structs, send the current table row now.
+		 */
+		err = dr_rule_send_update_list(update_list, matcher->tbl->dmn, false);
+		if (err) {
+			mlx5dr_dbg(matcher->tbl->dmn, "Failed updating table to HW\n");
+			goto clean_copy;
+		}
 	}
 
 clean_copy: