netdev - [net-next 06/16] net/mlx5: DR, Fix STEv0 source_eswitch_owner_vhca

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Date:   Tue,  5 Jan 2021 15:03:23 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Yevgeny Kliteynik <kliteyn@...dia.com>,
        Alex Vesker <valex@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 06/16] net/mlx5: DR, Fix STEv0 source_eswitch_owner_vhca_id support

From: Yevgeny Kliteynik <kliteyn@...dia.com>

Check vport_cap only if match on source gvmi is required.

Signed-off-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Reviewed-by: Alex Vesker <valex@...dia.com>
Reviewed-by: Saeed Mahameed <saeedm@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../mellanox/mlx5/core/steering/dr_ste_v0.c   | 25 +++++++++++--------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c
index 97ba875999eb..3ce3197aaf90 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c
@@ -1227,23 +1227,26 @@ dr_ste_v0_build_src_gvmi_qpn_tag(struct mlx5dr_match_param *value,
 			caps = &dmn->peer_dmn->info.caps;
 		else
 			return -EINVAL;
+
+		misc->source_eswitch_owner_vhca_id = 0;
 	} else {
 		caps = &dmn->info.caps;
 	}
 
-	vport_cap = mlx5dr_get_vport_cap(caps, misc->source_port);
-	if (!vport_cap) {
-		mlx5dr_err(dmn, "Vport 0x%x is invalid\n",
-			   misc->source_port);
-		return -EINVAL;
-	}
-
 	source_gvmi_set = MLX5_GET(ste_src_gvmi_qp, bit_mask, source_gvmi);
-	if (vport_cap->vport_gvmi && source_gvmi_set)
-		MLX5_SET(ste_src_gvmi_qp, tag, source_gvmi, vport_cap->vport_gvmi);
+	if (source_gvmi_set) {
+		vport_cap = mlx5dr_get_vport_cap(caps, misc->source_port);
+		if (!vport_cap) {
+			mlx5dr_err(dmn, "Vport 0x%x is invalid\n",
+				   misc->source_port);
+			return -EINVAL;
+		}
 
-	misc->source_eswitch_owner_vhca_id = 0;
-	misc->source_port = 0;
+		if (vport_cap->vport_gvmi)
+			MLX5_SET(ste_src_gvmi_qp, tag, source_gvmi, vport_cap->vport_gvmi);
+
+		misc->source_port = 0;
+	}
 
 	return 0;
 }
-- 
2.26.2