@@ -522,9 +522,7 @@ int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, u16 vport,
return PTR_ERR(evport);
mutex_lock(&esw->state_lock);
- err = mlx5_esw_qos_set_vport_min_rate(esw, evport, min_rate, NULL);
- if (!err)
- err = mlx5_esw_qos_set_vport_max_rate(esw, evport, max_rate, NULL);
+ err = mlx5_esw_qos_set_vport_rate(esw, evport, max_rate, min_rate);
mutex_unlock(&esw->state_lock);
return err;
}
@@ -204,10 +204,8 @@ static int esw_qos_normalize_groups_min_rate(struct mlx5_eswitch *esw, u32 divid
return 0;
}
-int mlx5_esw_qos_set_vport_min_rate(struct mlx5_eswitch *esw,
- struct mlx5_vport *evport,
- u32 min_rate,
- struct netlink_ext_ack *extack)
+static int esw_qos_set_vport_min_rate(struct mlx5_eswitch *esw, struct mlx5_vport *evport,
+ u32 min_rate, struct netlink_ext_ack *extack)
{
u32 fw_max_bw_share, previous_min_rate;
bool min_rate_supported;
@@ -231,10 +229,8 @@ int mlx5_esw_qos_set_vport_min_rate(struct mlx5_eswitch *esw,
return err;
}
-int mlx5_esw_qos_set_vport_max_rate(struct mlx5_eswitch *esw,
- struct mlx5_vport *evport,
- u32 max_rate,
- struct netlink_ext_ack *extack)
+static int esw_qos_set_vport_max_rate(struct mlx5_eswitch *esw, struct mlx5_vport *evport,
+ u32 max_rate, struct netlink_ext_ack *extack)
{
u32 act_max_rate = max_rate;
bool max_rate_supported;
@@ -605,8 +601,8 @@ void mlx5_esw_qos_destroy(struct mlx5_eswitch *esw)
mutex_unlock(&esw->state_lock);
}
-int mlx5_esw_qos_vport_enable(struct mlx5_eswitch *esw, struct mlx5_vport *vport,
- u32 max_rate, u32 bw_share)
+static int esw_qos_vport_enable(struct mlx5_eswitch *esw, struct mlx5_vport *vport,
+ u32 max_rate, u32 bw_share)
{
int err;
@@ -615,7 +611,7 @@ int mlx5_esw_qos_vport_enable(struct mlx5_eswitch *esw, struct mlx5_vport *vport
return 0;
if (vport->qos.enabled)
- return -EEXIST;
+ return 0;
vport->qos.group = esw->qos.group0;
@@ -645,31 +641,55 @@ void mlx5_esw_qos_vport_disable(struct mlx5_eswitch *esw, struct mlx5_vport *vpo
esw_warn(esw->dev, "E-Switch destroy TSAR vport element failed (vport=%d,err=%d)\n",
vport->vport, err);
- vport->qos.enabled = false;
+ memset(&vport->qos, 0, sizeof(vport->qos));
trace_mlx5_esw_vport_qos_destroy(vport);
}
+int mlx5_esw_qos_set_vport_rate(struct mlx5_eswitch *esw, struct mlx5_vport *vport,
+ u32 min_rate, u32 max_rate)
+{
+ int err;
+
+ lockdep_assert_held(&esw->state_lock);
+ err = esw_qos_vport_enable(esw, vport, 0, 0);
+ if (err)
+ return err;
+
+ err = esw_qos_set_vport_min_rate(esw, vport, min_rate, NULL);
+ if (!err)
+ err = esw_qos_set_vport_max_rate(esw, vport, max_rate, NULL);
+
+ return err;
+}
+
int mlx5_esw_qos_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num, u32 rate_mbps)
{
u32 ctx[MLX5_ST_SZ_DW(scheduling_context)] = {};
struct mlx5_vport *vport;
u32 bitmask;
+ int err;
vport = mlx5_eswitch_get_vport(esw, vport_num);
if (IS_ERR(vport))
return PTR_ERR(vport);
- if (!vport->qos.enabled)
- return -EOPNOTSUPP;
-
- MLX5_SET(scheduling_context, ctx, max_average_bw, rate_mbps);
- bitmask = MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_MAX_AVERAGE_BW;
+ mutex_lock(&esw->state_lock);
+ if (!vport->qos.enabled) {
+ /* Eswitch QoS wasn't enabled yet. Enable it and vport QoS. */
+ err = esw_qos_vport_enable(esw, vport, rate_mbps, vport->qos.bw_share);
+ } else {
+ MLX5_SET(scheduling_context, ctx, max_average_bw, rate_mbps);
+
+ bitmask = MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_MAX_AVERAGE_BW;
+ err = mlx5_modify_scheduling_element_cmd(esw->dev,
+ SCHEDULING_HIERARCHY_E_SWITCH,
+ ctx,
+ vport->qos.esw_tsar_ix,
+ bitmask);
+ }
+ mutex_unlock(&esw->state_lock);
- return mlx5_modify_scheduling_element_cmd(esw->dev,
- SCHEDULING_HIERARCHY_E_SWITCH,
- ctx,
- vport->qos.esw_tsar_ix,
- bitmask);
+ return err;
}
#define MLX5_LINKSPEED_UNIT 125000 /* 1Mbps in Bps */
@@ -728,7 +748,12 @@ int mlx5_esw_devlink_rate_leaf_tx_share_set(struct devlink_rate *rate_leaf, void
return err;
mutex_lock(&esw->state_lock);
- err = mlx5_esw_qos_set_vport_min_rate(esw, vport, tx_share, extack);
+ err = esw_qos_vport_enable(esw, vport, 0, 0);
+ if (err)
+ goto unlock;
+
+ err = esw_qos_set_vport_min_rate(esw, vport, tx_share, extack);
+unlock:
mutex_unlock(&esw->state_lock);
return err;
}
@@ -749,7 +774,12 @@ int mlx5_esw_devlink_rate_leaf_tx_max_set(struct devlink_rate *rate_leaf, void *
return err;
mutex_lock(&esw->state_lock);
- err = mlx5_esw_qos_set_vport_max_rate(esw, vport, tx_max, extack);
+ err = esw_qos_vport_enable(esw, vport, 0, 0);
+ if (err)
+ goto unlock;
+
+ err = esw_qos_set_vport_max_rate(esw, vport, tx_max, extack);
+unlock:
mutex_unlock(&esw->state_lock);
return err;
}
@@ -846,7 +876,9 @@ int mlx5_esw_qos_vport_update_group(struct mlx5_eswitch *esw,
int err;
mutex_lock(&esw->state_lock);
- err = esw_qos_vport_update_group(esw, vport, group, extack);
+ err = esw_qos_vport_enable(esw, vport, 0, 0);
+ if (!err)
+ err = esw_qos_vport_update_group(esw, vport, group, extack);
mutex_unlock(&esw->state_lock);
return err;
}
@@ -6,18 +6,10 @@
#ifdef CONFIG_MLX5_ESWITCH
-int mlx5_esw_qos_set_vport_min_rate(struct mlx5_eswitch *esw,
- struct mlx5_vport *evport,
- u32 min_rate,
- struct netlink_ext_ack *extack);
-int mlx5_esw_qos_set_vport_max_rate(struct mlx5_eswitch *esw,
- struct mlx5_vport *evport,
- u32 max_rate,
- struct netlink_ext_ack *extack);
+int mlx5_esw_qos_set_vport_rate(struct mlx5_eswitch *esw, struct mlx5_vport *evport,
+ u32 max_rate, u32 min_rate);
void mlx5_esw_qos_create(struct mlx5_eswitch *esw);
void mlx5_esw_qos_destroy(struct mlx5_eswitch *esw);
-int mlx5_esw_qos_vport_enable(struct mlx5_eswitch *esw, struct mlx5_vport *vport,
- u32 max_rate, u32 bw_share);
void mlx5_esw_qos_vport_disable(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
int mlx5_esw_devlink_rate_leaf_tx_share_set(struct devlink_rate *rate_leaf, void *priv,
@@ -781,9 +781,6 @@ static int esw_vport_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport)
if (err)
return err;
- /* Attach vport to the eswitch rate limiter */
- mlx5_esw_qos_vport_enable(esw, vport, vport->qos.max_rate, vport->qos.bw_share);
-
if (mlx5_esw_is_manager_vport(esw, vport_num))
return 0;
@@ -1746,8 +1743,10 @@ int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
ivi->qos = evport->info.qos;
ivi->spoofchk = evport->info.spoofchk;
ivi->trusted = evport->info.trusted;
- ivi->min_tx_rate = evport->qos.min_rate;
- ivi->max_tx_rate = evport->qos.max_rate;
+ if (evport->qos.enabled) {
+ ivi->min_tx_rate = evport->qos.min_rate;
+ ivi->max_tx_rate = evport->qos.max_rate;
+ }
mutex_unlock(&esw->state_lock);
return 0;