linux-kernel - [PATCH net-next v3 04/10] net/mlx5: HWS, Refactor rule skip logic

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Message-ID: <20250703185431.445571-5-mbloch@nvidia.com>
Date: Thu, 3 Jul 2025 21:54:25 +0300
From: Mark Bloch <mbloch@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, "Andrew
 Lunn" <andrew+netdev@...n.ch>, Simon Horman <horms@...nel.org>
CC: <saeedm@...dia.com>, <gal@...dia.com>, <leonro@...dia.com>,
	<tariqt@...dia.com>, Leon Romanovsky <leon@...nel.org>,
	<netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Vlad Dogaru <vdogaru@...dia.com>, "Yevgeny
 Kliteynik" <kliteyn@...dia.com>, Mark Bloch <mbloch@...dia.com>
Subject: [PATCH net-next v3 04/10] net/mlx5: HWS, Refactor rule skip logic

From: Vlad Dogaru <vdogaru@...dia.com>

Reduce nesting by adding a couple of early return statements.

Signed-off-by: Vlad Dogaru <vdogaru@...dia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Signed-off-by: Mark Bloch <mbloch@...dia.com>
---
 .../mellanox/mlx5/core/steering/hws/rule.c    | 25 ++++++++++---------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/rule.c
index 4883e4e1d251..a94f094e72ba 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/rule.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/rule.c
@@ -12,20 +12,21 @@ void mlx5hws_rule_skip(struct mlx5hws_matcher *matcher, u32 flow_source,
 
 	if (flow_source == MLX5_FLOW_CONTEXT_FLOW_SOURCE_LOCAL_VPORT) {
 		*skip_rx = true;
-	} else if (flow_source == MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK) {
+		return;
+	}
+
+	if (flow_source == MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK) {
 		*skip_tx = true;
-	} else {
-		/* If no flow source was set for current rule,
-		 * check for flow source in matcher attributes.
-		 */
-		if (matcher->attr.optimize_flow_src) {
-			*skip_tx =
-				matcher->attr.optimize_flow_src == MLX5HWS_MATCHER_FLOW_SRC_WIRE;
-			*skip_rx =
-				matcher->attr.optimize_flow_src == MLX5HWS_MATCHER_FLOW_SRC_VPORT;
-			return;
-		}
+		return;
 	}
+
+	/* If no flow source was set for current rule,
+	 * check for flow source in matcher attributes.
+	 */
+	*skip_tx = matcher->attr.optimize_flow_src ==
+			MLX5HWS_MATCHER_FLOW_SRC_WIRE;
+	*skip_rx = matcher->attr.optimize_flow_src ==
+			MLX5HWS_MATCHER_FLOW_SRC_VPORT;
 }
 
 static void
-- 
2.34.1