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Message-ID: <20241013064540.170722-11-tariqt@nvidia.com>
Date: Sun, 13 Oct 2024 09:45:35 +0300
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>
CC: <netdev@...r.kernel.org>, Saeed Mahameed <saeedm@...dia.com>, Gal Pressman
<gal@...dia.com>, Leon Romanovsky <leonro@...dia.com>, <cjubran@...dia.com>,
<cratiu@...dia.com>, Tariq Toukan <tariqt@...dia.com>
Subject: [PATCH net-next 10/15] net/mlx5: Simplify QoS scheduling element configuration
From: Carolina Jubran <cjubran@...dia.com>
Simplify the configuration of QoS scheduling elements by removing the
separate functions `esw_qos_node_config` and `esw_qos_vport_config`.
Instead, directly use the existing `esw_qos_sched_elem_config` function
for both nodes and vports.
This unification helps in generalizing operations on scheduling
elements nodes.
Signed-off-by: Carolina Jubran <cjubran@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
---
.../net/ethernet/mellanox/mlx5/core/esw/qos.c | 86 +++++++++----------
1 file changed, 40 insertions(+), 46 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index 0f465de4a916..ffd5d4d38fe5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -66,6 +66,11 @@ enum sched_node_type {
SCHED_NODE_TYPE_VPORT,
};
+static const char * const sched_node_type_str[] = {
+ [SCHED_NODE_TYPE_VPORTS_TSAR] = "vports TSAR",
+ [SCHED_NODE_TYPE_VPORT] = "vport",
+};
+
struct mlx5_esw_sched_node {
u32 ix;
/* Bandwidth parameters. */
@@ -113,11 +118,27 @@ mlx5_esw_qos_vport_get_parent(const struct mlx5_vport *vport)
return vport->qos.sched_node->parent;
}
-static int esw_qos_sched_elem_config(struct mlx5_core_dev *dev, u32 sched_elem_ix,
- u32 max_rate, u32 bw_share)
+static void esw_qos_sched_elem_config_warn(struct mlx5_esw_sched_node *node, int err)
+{
+ if (node->vport) {
+ esw_warn(node->esw->dev,
+ "E-Switch modify %s scheduling element failed (vport=%d,err=%d)\n",
+ sched_node_type_str[node->type], node->vport->vport, err);
+ return;
+ }
+
+ esw_warn(node->esw->dev,
+ "E-Switch modify %s scheduling element failed (err=%d)\n",
+ sched_node_type_str[node->type], err);
+}
+
+static int esw_qos_sched_elem_config(struct mlx5_esw_sched_node *node, u32 max_rate, u32 bw_share,
+ struct netlink_ext_ack *extack)
{
u32 sched_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {};
+ struct mlx5_core_dev *dev = node->esw->dev;
u32 bitmask = 0;
+ int err;
if (!MLX5_CAP_GEN(dev, qos) || !MLX5_CAP_QOS(dev, esw_scheduling))
return -EOPNOTSUPP;
@@ -127,46 +148,22 @@ static int esw_qos_sched_elem_config(struct mlx5_core_dev *dev, u32 sched_elem_i
bitmask |= MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_MAX_AVERAGE_BW;
bitmask |= MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_BW_SHARE;
- return mlx5_modify_scheduling_element_cmd(dev,
- SCHEDULING_HIERARCHY_E_SWITCH,
- sched_ctx,
- sched_elem_ix,
- bitmask);
-}
-
-static int esw_qos_node_config(struct mlx5_esw_sched_node *node,
- u32 max_rate, u32 bw_share, struct netlink_ext_ack *extack)
-{
- struct mlx5_core_dev *dev = node->esw->dev;
- int err;
-
- err = esw_qos_sched_elem_config(dev, node->ix, max_rate, bw_share);
- if (err)
- NL_SET_ERR_MSG_MOD(extack, "E-Switch modify node TSAR element failed");
-
- trace_mlx5_esw_node_qos_config(dev, node, node->ix, bw_share, max_rate);
-
- return err;
-}
-
-static int esw_qos_vport_config(struct mlx5_vport *vport,
- u32 max_rate, u32 bw_share,
- struct netlink_ext_ack *extack)
-{
- struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node;
- struct mlx5_core_dev *dev = vport_node->parent->esw->dev;
- int err;
-
- err = esw_qos_sched_elem_config(dev, vport_node->ix, max_rate, bw_share);
+ err = mlx5_modify_scheduling_element_cmd(dev,
+ SCHEDULING_HIERARCHY_E_SWITCH,
+ sched_ctx,
+ node->ix,
+ bitmask);
if (err) {
- esw_warn(dev,
- "E-Switch modify vport scheduling element failed (vport=%d,err=%d)\n",
- vport->vport, err);
- NL_SET_ERR_MSG_MOD(extack, "E-Switch modify vport scheduling element failed");
+ esw_qos_sched_elem_config_warn(node, err);
+ NL_SET_ERR_MSG_MOD(extack, "E-Switch modify scheduling element failed");
+
return err;
}
- trace_mlx5_esw_vport_qos_config(dev, vport, bw_share, max_rate);
+ if (node->type == SCHED_NODE_TYPE_VPORTS_TSAR)
+ trace_mlx5_esw_node_qos_config(dev, node, node->ix, bw_share, max_rate);
+ else if (node->type == SCHED_NODE_TYPE_VPORT)
+ trace_mlx5_esw_vport_qos_config(dev, node->vport, bw_share, max_rate);
return 0;
}
@@ -246,8 +243,7 @@ static int esw_qos_normalize_node_min_rate(struct mlx5_esw_sched_node *node,
if (bw_share == vport_node->bw_share)
continue;
- err = esw_qos_vport_config(vport_node->vport, vport_node->max_rate, bw_share,
- extack);
+ err = esw_qos_sched_elem_config(vport_node, vport_node->max_rate, bw_share, extack);
if (err)
return err;
@@ -274,7 +270,7 @@ static int esw_qos_normalize_min_rate(struct mlx5_eswitch *esw, struct netlink_e
if (bw_share == node->bw_share)
continue;
- err = esw_qos_node_config(node, node->max_rate, bw_share, extack);
+ err = esw_qos_sched_elem_config(node, node->max_rate, bw_share, extack);
if (err)
return err;
@@ -340,8 +336,7 @@ static int esw_qos_set_vport_max_rate(struct mlx5_vport *vport,
if (!max_rate)
act_max_rate = vport_node->parent->max_rate;
- err = esw_qos_vport_config(vport, act_max_rate, vport_node->bw_share, extack);
-
+ err = esw_qos_sched_elem_config(vport_node, act_max_rate, vport_node->bw_share, extack);
if (!err)
vport_node->max_rate = max_rate;
@@ -386,7 +381,7 @@ static int esw_qos_set_node_max_rate(struct mlx5_esw_sched_node *node,
if (node->max_rate == max_rate)
return 0;
- err = esw_qos_node_config(node, max_rate, node->bw_share, extack);
+ err = esw_qos_sched_elem_config(node, max_rate, node->bw_share, extack);
if (err)
return err;
@@ -397,8 +392,7 @@ static int esw_qos_set_node_max_rate(struct mlx5_esw_sched_node *node,
if (vport_node->max_rate)
continue;
- err = esw_qos_vport_config(vport_node->vport, max_rate, vport_node->bw_share,
- extack);
+ err = esw_qos_sched_elem_config(vport_node, max_rate, vport_node->bw_share, extack);
if (err)
NL_SET_ERR_MSG_MOD(extack,
"E-Switch vport implicit rate limit setting failed");
--
2.44.0
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