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Message-Id: <20230204100854.388126-2-saeed@kernel.org>
Date:   Sat,  4 Feb 2023 02:08:40 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>, Roi Dayan <roid@...dia.com>,
        Maor Dickman <maord@...dia.com>
Subject: [net-next 01/15] net/mlx5: Lag, Update multiport eswitch check to log an error

From: Roi Dayan <roid@...dia.com>

Update the function to log an error to the user if failing to offload
the rule and while there add correct prefix for the function name.

Signed-off-by: Roi Dayan <roid@...dia.com>
Reviewed-by: Maor Dickman <maord@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../ethernet/mellanox/mlx5/core/en/tc/act/mirred.c    |  6 +++---
 drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c   | 11 +++++++----
 drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.h   |  4 +++-
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c
index 78c427b38048..c095a12346de 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/mirred.c
@@ -232,9 +232,9 @@ parse_mirred(struct mlx5e_tc_act_parse_state *parse_state,
 	parse_state->ifindexes[if_count] = out_dev->ifindex;
 	parse_state->if_count++;
 	is_uplink_rep = mlx5e_eswitch_uplink_rep(out_dev);
-	err = mlx5_lag_do_mirred(priv->mdev, out_dev);
-	if (err)
-		return err;
+
+	if (mlx5_lag_mpesw_do_mirred(priv->mdev, out_dev, extack))
+		return -EOPNOTSUPP;
 
 	out_dev = get_fdb_out_dev(uplink_dev, out_dev);
 	if (!out_dev)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
index c17e8f1ec914..d2f840812942 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
@@ -96,17 +96,20 @@ int mlx5_lag_add_mpesw_rule(struct mlx5_core_dev *dev)
 	return mlx5_lag_mpesw_queue_work(dev, MLX5_MPESW_OP_ENABLE);
 }
 
-int mlx5_lag_do_mirred(struct mlx5_core_dev *mdev, struct net_device *out_dev)
+int mlx5_lag_mpesw_do_mirred(struct mlx5_core_dev *mdev,
+			     struct net_device *out_dev,
+			     struct netlink_ext_ack *extack)
 {
 	struct mlx5_lag *ldev = mdev->priv.lag;
 
 	if (!netif_is_bond_master(out_dev) || !ldev)
 		return 0;
 
-	if (ldev->mode == MLX5_LAG_MODE_MPESW)
-		return -EOPNOTSUPP;
+	if (ldev->mode != MLX5_LAG_MODE_MPESW)
+		return 0;
 
-	return 0;
+	NL_SET_ERR_MSG_MOD(extack, "can't forward to bond in mpesw mode");
+	return -EOPNOTSUPP;
 }
 
 bool mlx5_lag_mpesw_is_activated(struct mlx5_core_dev *dev)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.h b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.h
index 88e8daffcf92..f88dc6ec3de1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.h
@@ -12,7 +12,9 @@ struct lag_mpesw {
 	atomic_t mpesw_rule_count;
 };
 
-int mlx5_lag_do_mirred(struct mlx5_core_dev *mdev, struct net_device *out_dev);
+int mlx5_lag_mpesw_do_mirred(struct mlx5_core_dev *mdev,
+			     struct net_device *out_dev,
+			     struct netlink_ext_ack *extack);
 bool mlx5_lag_mpesw_is_activated(struct mlx5_core_dev *dev);
 #if IS_ENABLED(CONFIG_MLX5_ESWITCH)
 void mlx5_lag_mpesw_init(struct mlx5_lag *ldev);
-- 
2.39.1

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