netdev - [PATCH net-next V4 08/11] net/mlx5: Add no-op implementation for setting tc-bw on rate objects

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Message-ID: <20241203202924.228440-9-tariqt@nvidia.com>
Date: Tue, 3 Dec 2024 22:29:21 +0200
From: Tariq Toukan <tariqt@...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>
CC: <netdev@...r.kernel.org>, Saeed Mahameed <saeedm@...dia.com>, Gal Pressman
	<gal@...dia.com>, Leon Romanovsky <leonro@...dia.com>,
	<linux-rdma@...r.kernel.org>, Carolina Jubran <cjubran@...dia.com>, "Cosmin
 Ratiu" <cratiu@...dia.com>, Tariq Toukan <tariqt@...dia.com>
Subject: [PATCH net-next V4 08/11] net/mlx5: Add no-op implementation for setting tc-bw on rate objects

From: Carolina Jubran <cjubran@...dia.com>

Introduce `mlx5_esw_devlink_rate_node_tc_bw_set()` and
`mlx5_esw_devlink_rate_leaf_tc_bw_set()` with no-op logic.

Future patches will add support for setting traffic class bandwidth
on rate objects.

Signed-off-by: Carolina Jubran <cjubran@...dia.com>
Reviewed-by: Cosmin Ratiu <cratiu@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/devlink.c |  2 ++
 drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c | 14 ++++++++++++++
 drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h |  4 ++++
 3 files changed, 20 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index 98d4306929f3..728d5c06d612 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -320,6 +320,8 @@ static const struct devlink_ops mlx5_devlink_ops = {
 	.eswitch_encap_mode_get = mlx5_devlink_eswitch_encap_mode_get,
 	.rate_leaf_tx_share_set = mlx5_esw_devlink_rate_leaf_tx_share_set,
 	.rate_leaf_tx_max_set = mlx5_esw_devlink_rate_leaf_tx_max_set,
+	.rate_leaf_tc_bw_set = mlx5_esw_devlink_rate_leaf_tc_bw_set,
+	.rate_node_tc_bw_set = mlx5_esw_devlink_rate_node_tc_bw_set,
 	.rate_node_tx_share_set = mlx5_esw_devlink_rate_node_tx_share_set,
 	.rate_node_tx_max_set = mlx5_esw_devlink_rate_node_tx_max_set,
 	.rate_node_new = mlx5_esw_devlink_rate_node_new,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index 8b7c843446e1..db112a87b7ee 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -882,6 +882,20 @@ int mlx5_esw_devlink_rate_leaf_tx_max_set(struct devlink_rate *rate_leaf, void *
 	return err;
 }
 
+int mlx5_esw_devlink_rate_leaf_tc_bw_set(struct devlink_rate *rate_leaf, void *priv,
+					 u32 *tc_bw, struct netlink_ext_ack *extack)
+{
+	NL_SET_ERR_MSG_MOD(extack, "TC bandwidth shares are not supported on leafs");
+	return -EOPNOTSUPP;
+}
+
+int mlx5_esw_devlink_rate_node_tc_bw_set(struct devlink_rate *rate_node, void *priv,
+					 u32 *tc_bw, struct netlink_ext_ack *extack)
+{
+	NL_SET_ERR_MSG_MOD(extack, "TC bandwidth shares are not supported on nodes");
+	return -EOPNOTSUPP;
+}
+
 int mlx5_esw_devlink_rate_node_tx_share_set(struct devlink_rate *rate_node, void *priv,
 					    u64 tx_share, struct netlink_ext_ack *extack)
 {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h
index 6eb8f6a648c8..0239f10f95e7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h
@@ -21,6 +21,10 @@ int mlx5_esw_devlink_rate_leaf_tx_share_set(struct devlink_rate *rate_leaf, void
 					    u64 tx_share, struct netlink_ext_ack *extack);
 int mlx5_esw_devlink_rate_leaf_tx_max_set(struct devlink_rate *rate_leaf, void *priv,
 					  u64 tx_max, struct netlink_ext_ack *extack);
+int mlx5_esw_devlink_rate_leaf_tc_bw_set(struct devlink_rate *rate_node, void *priv,
+					 u32 *tc_bw, struct netlink_ext_ack *extack);
+int mlx5_esw_devlink_rate_node_tc_bw_set(struct devlink_rate *rate_node, void *priv,
+					 u32 *tc_bw, struct netlink_ext_ack *extack);
 int mlx5_esw_devlink_rate_node_tx_share_set(struct devlink_rate *rate_node, void *priv,
 					    u64 tx_share, struct netlink_ext_ack *extack);
 int mlx5_esw_devlink_rate_node_tx_max_set(struct devlink_rate *rate_node, void *priv,
-- 
2.44.0