Merge branch 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux

Tariq Toukan says: ==================== mlx5-next updates 2026-01-13 * 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux: net/mlx5: Add IFC bits for extended ETS rate limit bandwidth value net/mlx5: Add support for querying bond speed net/mlx5: Handle port and vport speed change events in MPESW net/mlx5: Propagate LAG effective max_tx_speed to vports net/mlx5: Add max_tx_speed and its CAP bit to IFC ==================== Link: https://patch.msgid.link/1768299471-1603093-1-git-send-email-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-02-13 18:56:25 -05:00 · 2026-01-13 17:46:19 -08:00
parent c65182ef9d 49e41f3ea3
commit 9d405911a5
10 changed files with 395 additions and 6 deletions
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
@@ -233,14 +233,25 @@ static void mlx5_ldev_free(struct kref *ref)
 {
 	struct mlx5_lag *ldev = container_of(ref, struct mlx5_lag, ref);
 	struct net *net;
+	int i;

 	if (ldev->nb.notifier_call) {
 		net = read_pnet(&ldev->net);
 		unregister_netdevice_notifier_net(net, &ldev->nb);
 	}

+	mlx5_ldev_for_each(i, 0, ldev) {
+		if (ldev->pf[i].dev &&
+		    ldev->pf[i].port_change_nb.nb.notifier_call) {
+			struct mlx5_nb *nb = &ldev->pf[i].port_change_nb;
+
+			mlx5_eq_notifier_unregister(ldev->pf[i].dev, nb);
+		}
+	}
+
 	mlx5_lag_mp_cleanup(ldev);
 	cancel_delayed_work_sync(&ldev->bond_work);
+	cancel_work_sync(&ldev->speed_update_work);
 	destroy_workqueue(ldev->wq);
 	mutex_destroy(&ldev->lock);
 	kfree(ldev);
@@ -274,6 +285,7 @@ static struct mlx5_lag *mlx5_lag_dev_alloc(struct mlx5_core_dev *dev)
 	kref_init(&ldev->ref);
 	mutex_init(&ldev->lock);
 	INIT_DELAYED_WORK(&ldev->bond_work, mlx5_do_bond_work);
+	INIT_WORK(&ldev->speed_update_work, mlx5_mpesw_speed_update_work);

 	ldev->nb.notifier_call = mlx5_lag_netdev_event;
 	write_pnet(&ldev->net, mlx5_core_net(dev));
@@ -996,6 +1008,137 @@ static bool mlx5_lag_should_disable_lag(struct mlx5_lag *ldev, bool do_bond)
 	       ldev->mode != MLX5_LAG_MODE_MPESW;
 }

+#ifdef CONFIG_MLX5_ESWITCH
+static int
+mlx5_lag_sum_devices_speed(struct mlx5_lag *ldev, u32 *sum_speed,
+			   int (*get_speed)(struct mlx5_core_dev *, u32 *))
+{
+	struct mlx5_core_dev *pf_mdev;
+	int pf_idx;
+	u32 speed;
+	int ret;
+
+	*sum_speed = 0;
+	mlx5_ldev_for_each(pf_idx, 0, ldev) {
+		pf_mdev = ldev->pf[pf_idx].dev;
+		if (!pf_mdev)
+			continue;
+
+		ret = get_speed(pf_mdev, &speed);
+		if (ret) {
+			mlx5_core_dbg(pf_mdev,
+				      "Failed to get device speed using %ps. Device %s speed is not available (err=%d)\n",
+				      get_speed, dev_name(pf_mdev->device),
+				      ret);
+			return ret;
+		}
+
+		*sum_speed += speed;
+	}
+
+	return 0;
+}
+
+static int mlx5_lag_sum_devices_max_speed(struct mlx5_lag *ldev, u32 *max_speed)
+{
+	return mlx5_lag_sum_devices_speed(ldev, max_speed,
+					  mlx5_port_max_linkspeed);
+}
+
+static int mlx5_lag_sum_devices_oper_speed(struct mlx5_lag *ldev,
+					   u32 *oper_speed)
+{
+	return mlx5_lag_sum_devices_speed(ldev, oper_speed,
+					  mlx5_port_oper_linkspeed);
+}
+
+static void mlx5_lag_modify_device_vports_speed(struct mlx5_core_dev *mdev,
+						u32 speed)
+{
+	u16 op_mod = MLX5_VPORT_STATE_OP_MOD_ESW_VPORT;
+	struct mlx5_eswitch *esw = mdev->priv.eswitch;
+	struct mlx5_vport *vport;
+	unsigned long i;
+	int ret;
+
+	if (!esw)
+		return;
+
+	if (!MLX5_CAP_ESW(mdev, esw_vport_state_max_tx_speed))
+		return;
+
+	mlx5_esw_for_each_vport(esw, i, vport) {
+		if (!vport)
+			continue;
+
+		if (vport->vport == MLX5_VPORT_UPLINK)
+			continue;
+
+		ret = mlx5_modify_vport_max_tx_speed(mdev, op_mod,
+						     vport->vport, true, speed);
+		if (ret)
+			mlx5_core_dbg(mdev,
+				      "Failed to set vport %d speed %d, err=%d\n",
+				      vport->vport, speed, ret);
+	}
+}
+
+void mlx5_lag_set_vports_agg_speed(struct mlx5_lag *ldev)
+{
+	struct mlx5_core_dev *mdev;
+	u32 speed;
+	int pf_idx;
+
+	if (ldev->mode == MLX5_LAG_MODE_MPESW) {
+		if (mlx5_lag_sum_devices_oper_speed(ldev, &speed))
+			return;
+	} else {
+		speed = ldev->tracker.bond_speed_mbps;
+		if (speed == SPEED_UNKNOWN)
+			return;
+	}
+
+	/* If speed is not set, use the sum of max speeds of all PFs */
+	if (!speed && mlx5_lag_sum_devices_max_speed(ldev, &speed))
+		return;
+
+	speed = speed / MLX5_MAX_TX_SPEED_UNIT;
+
+	mlx5_ldev_for_each(pf_idx, 0, ldev) {
+		mdev = ldev->pf[pf_idx].dev;
+		if (!mdev)
+			continue;
+
+		mlx5_lag_modify_device_vports_speed(mdev, speed);
+	}
+}
+
+void mlx5_lag_reset_vports_speed(struct mlx5_lag *ldev)
+{
+	struct mlx5_core_dev *mdev;
+	u32 speed;
+	int pf_idx;
+	int ret;
+
+	mlx5_ldev_for_each(pf_idx, 0, ldev) {
+		mdev = ldev->pf[pf_idx].dev;
+		if (!mdev)
+			continue;
+
+		ret = mlx5_port_oper_linkspeed(mdev, &speed);
+		if (ret) {
+			mlx5_core_dbg(mdev,
+				      "Failed to reset vports speed for device %s. Oper speed is not available (err=%d)\n",
+				      dev_name(mdev->device), ret);
+			continue;
+		}
+
+		speed = speed / MLX5_MAX_TX_SPEED_UNIT;
+		mlx5_lag_modify_device_vports_speed(mdev, speed);
+	}
+}
+#endif
+
 static void mlx5_do_bond(struct mlx5_lag *ldev)
 {
 	int idx = mlx5_lag_get_dev_index_by_seq(ldev, MLX5_LAG_P1);
@@ -1083,9 +1226,12 @@ static void mlx5_do_bond(struct mlx5_lag *ldev)
 						     ndev);
 			dev_put(ndev);
 		}
+		mlx5_lag_set_vports_agg_speed(ldev);
 	} else if (mlx5_lag_should_modify_lag(ldev, do_bond)) {
 		mlx5_modify_lag(ldev, &tracker);
+		mlx5_lag_set_vports_agg_speed(ldev);
 	} else if (mlx5_lag_should_disable_lag(ldev, do_bond)) {
+		mlx5_lag_reset_vports_speed(ldev);
 		mlx5_disable_lag(ldev);
 	}
 }
@@ -1286,6 +1432,65 @@ static int mlx5_handle_changeinfodata_event(struct mlx5_lag *ldev,
 	return 1;
 }

+static void mlx5_lag_update_tracker_speed(struct lag_tracker *tracker,
+					  struct net_device *ndev)
+{
+	struct ethtool_link_ksettings lksettings;
+	struct net_device *bond_dev;
+	int err;
+
+	if (netif_is_lag_master(ndev))
+		bond_dev = ndev;
+	else
+		bond_dev = netdev_master_upper_dev_get(ndev);
+
+	if (!bond_dev) {
+		tracker->bond_speed_mbps = SPEED_UNKNOWN;
+		return;
+	}
+
+	err = __ethtool_get_link_ksettings(bond_dev, &lksettings);
+	if (err) {
+		netdev_dbg(bond_dev,
+			   "Failed to get speed for bond dev %s, err=%d\n",
+			   bond_dev->name, err);
+		tracker->bond_speed_mbps = SPEED_UNKNOWN;
+		return;
+	}
+
+	if (lksettings.base.speed == SPEED_UNKNOWN)
+		tracker->bond_speed_mbps = 0;
+	else
+		tracker->bond_speed_mbps = lksettings.base.speed;
+}
+
+/* Returns speed in Mbps. */
+int mlx5_lag_query_bond_speed(struct mlx5_core_dev *mdev, u32 *speed)
+{
+	struct mlx5_lag *ldev;
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&lag_lock, flags);
+	ldev = mlx5_lag_dev(mdev);
+	if (!ldev) {
+		ret = -ENODEV;
+		goto unlock;
+	}
+
+	*speed = ldev->tracker.bond_speed_mbps;
+
+	if (*speed == SPEED_UNKNOWN) {
+		mlx5_core_dbg(mdev, "Bond speed is unknown\n");
+		ret = -EINVAL;
+	}
+
+unlock:
+	spin_unlock_irqrestore(&lag_lock, flags);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(mlx5_lag_query_bond_speed);
+
 /* this handler is always registered to netdev events */
 static int mlx5_lag_netdev_event(struct notifier_block *this,
 				 unsigned long event, void *ptr)
@@ -1317,6 +1522,9 @@ static int mlx5_lag_netdev_event(struct notifier_block *this,
 		break;
 	}

+	if (changed)
+		mlx5_lag_update_tracker_speed(&tracker, ndev);
+
 	ldev->tracker = tracker;

 	if (changed)
@@ -1362,6 +1570,10 @@ static void mlx5_ldev_add_mdev(struct mlx5_lag *ldev,

 	ldev->pf[fn].dev = dev;
 	dev->priv.lag = ldev;
+
+	MLX5_NB_INIT(&ldev->pf[fn].port_change_nb,
+		     mlx5_lag_mpesw_port_change_event, PORT_CHANGE);
+	mlx5_eq_notifier_register(dev, &ldev->pf[fn].port_change_nb);
 }

 static void mlx5_ldev_remove_mdev(struct mlx5_lag *ldev,
@@ -1373,6 +1585,9 @@ static void mlx5_ldev_remove_mdev(struct mlx5_lag *ldev,
 	if (ldev->pf[fn].dev != dev)
 		return;

+	if (ldev->pf[fn].port_change_nb.nb.notifier_call)
+		mlx5_eq_notifier_unregister(dev, &ldev->pf[fn].port_change_nb);
+
 	ldev->pf[fn].dev = NULL;
 	dev->priv.lag = NULL;
 }
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h
@@ -39,6 +39,7 @@ struct lag_func {
 	struct mlx5_core_dev *dev;
 	struct net_device    *netdev;
 	bool has_drop;
+	struct mlx5_nb port_change_nb;
 };

 /* Used for collection of netdev event info. */
@@ -48,6 +49,7 @@ struct lag_tracker {
 	unsigned int is_bonded:1;
 	unsigned int has_inactive:1;
 	enum netdev_lag_hash hash_type;
+	u32 bond_speed_mbps;
 };

 /* LAG data of a ConnectX card.
@@ -66,6 +68,7 @@ struct mlx5_lag {
 	struct lag_tracker        tracker;
 	struct workqueue_struct   *wq;
 	struct delayed_work       bond_work;
+	struct work_struct        speed_update_work;
 	struct notifier_block     nb;
 	possible_net_t net;
 	struct lag_mp             lag_mp;
@@ -116,6 +119,14 @@ int mlx5_deactivate_lag(struct mlx5_lag *ldev);
 void mlx5_lag_add_devices(struct mlx5_lag *ldev);
 struct mlx5_devcom_comp_dev *mlx5_lag_get_devcom_comp(struct mlx5_lag *ldev);

+#ifdef CONFIG_MLX5_ESWITCH
+void mlx5_lag_set_vports_agg_speed(struct mlx5_lag *ldev);
+void mlx5_lag_reset_vports_speed(struct mlx5_lag *ldev);
+#else
+static inline void mlx5_lag_set_vports_agg_speed(struct mlx5_lag *ldev) {}
+static inline void mlx5_lag_reset_vports_speed(struct mlx5_lag *ldev) {}
+#endif
+
 static inline bool mlx5_lag_is_supported(struct mlx5_core_dev *dev)
 {
 	if (!MLX5_CAP_GEN(dev, vport_group_manager) ||
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
@@ -110,6 +110,8 @@ static int enable_mpesw(struct mlx5_lag *ldev)
 			goto err_rescan_drivers;
 	}

+	mlx5_lag_set_vports_agg_speed(ldev);
+
 	return 0;

 err_rescan_drivers:
@@ -223,3 +225,40 @@ bool mlx5_lag_is_mpesw(struct mlx5_core_dev *dev)
 	return ldev && ldev->mode == MLX5_LAG_MODE_MPESW;
 }
 EXPORT_SYMBOL(mlx5_lag_is_mpesw);
+
+void mlx5_mpesw_speed_update_work(struct work_struct *work)
+{
+	struct mlx5_lag *ldev = container_of(work, struct mlx5_lag,
+					     speed_update_work);
+
+	mutex_lock(&ldev->lock);
+	if (ldev->mode == MLX5_LAG_MODE_MPESW) {
+		if (ldev->mode_changes_in_progress)
+			queue_work(ldev->wq, &ldev->speed_update_work);
+		else
+			mlx5_lag_set_vports_agg_speed(ldev);
+	}
+
+	mutex_unlock(&ldev->lock);
+}
+
+int mlx5_lag_mpesw_port_change_event(struct notifier_block *nb,
+				     unsigned long event, void *data)
+{
+	struct mlx5_nb *mlx5_nb = container_of(nb, struct mlx5_nb, nb);
+	struct lag_func *lag_func = container_of(mlx5_nb,
+						 struct lag_func,
+						 port_change_nb);
+	struct mlx5_core_dev *dev = lag_func->dev;
+	struct mlx5_lag *ldev = dev->priv.lag;
+	struct mlx5_eqe *eqe = data;
+
+	if (!ldev)
+		return NOTIFY_DONE;
+
+	if (eqe->sub_type == MLX5_PORT_CHANGE_SUBTYPE_DOWN ||
+	    eqe->sub_type == MLX5_PORT_CHANGE_SUBTYPE_ACTIVE)
+		queue_work(ldev->wq, &ldev->speed_update_work);
+
+	return NOTIFY_OK;
+}
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.h
@@ -32,4 +32,18 @@ bool mlx5_lag_is_mpesw(struct mlx5_core_dev *dev);
 void mlx5_lag_mpesw_disable(struct mlx5_core_dev *dev);
 int mlx5_lag_mpesw_enable(struct mlx5_core_dev *dev);

+#ifdef CONFIG_MLX5_ESWITCH
+void mlx5_mpesw_speed_update_work(struct work_struct *work);
+int mlx5_lag_mpesw_port_change_event(struct notifier_block *nb,
+				     unsigned long event, void *data);
+#else
+static inline void mlx5_mpesw_speed_update_work(struct work_struct *work) {}
+static inline int mlx5_lag_mpesw_port_change_event(struct notifier_block *nb,
+						   unsigned long event,
+						   void *data)
+{
+	return NOTIFY_DONE;
+}
+#endif /* CONFIG_MLX5_ESWITCH */
+
 #endif /* __MLX5_LAG_MPESW_H__ */
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -381,6 +381,7 @@ const struct mlx5_link_info *mlx5_port_ptys2info(struct mlx5_core_dev *mdev,
 u32 mlx5_port_info2linkmodes(struct mlx5_core_dev *mdev,
 			     struct mlx5_link_info *info,
 			     bool force_legacy);
+int mlx5_port_oper_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
 int mlx5_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);

 #define MLX5_PPS_CAP(mdev) (MLX5_CAP_GEN((mdev), pps) &&		\
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -1203,6 +1203,30 @@ u32 mlx5_port_info2linkmodes(struct mlx5_core_dev *mdev,
 	return link_modes;
 }

+int mlx5_port_oper_linkspeed(struct mlx5_core_dev *mdev, u32 *speed)
+{
+	const struct mlx5_link_info *table;
+	struct mlx5_port_eth_proto eproto;
+	u32 oper_speed = 0;
+	u32 max_size;
+	bool ext;
+	int err;
+	int i;
+
+	ext = mlx5_ptys_ext_supported(mdev);
+	err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
+	if (err)
+		return err;
+
+	mlx5e_port_get_link_mode_info_arr(mdev, &table, &max_size, false);
+	for (i = 0; i < max_size; ++i)
+		if (eproto.oper & MLX5E_PROT_MASK(i))
+			oper_speed = max(oper_speed, table[i].speed);
+
+	*speed = oper_speed;
+	return 0;
+}
+
 int mlx5_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed)
 {
 	const struct mlx5_link_info *table;
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -62,6 +62,28 @@ u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport)
 	return MLX5_GET(query_vport_state_out, out, state);
 }

+static int mlx5_query_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
+					u16 vport, u8 other_vport,
+					u8 *admin_state)
+{
+	u32 out[MLX5_ST_SZ_DW(query_vport_state_out)] = {};
+	u32 in[MLX5_ST_SZ_DW(query_vport_state_in)] = {};
+	int err;
+
+	MLX5_SET(query_vport_state_in, in, opcode,
+		 MLX5_CMD_OP_QUERY_VPORT_STATE);
+	MLX5_SET(query_vport_state_in, in, op_mod, opmod);
+	MLX5_SET(query_vport_state_in, in, vport_number, vport);
+	MLX5_SET(query_vport_state_in, in, other_vport, other_vport);
+
+	err = mlx5_cmd_exec_inout(mdev, query_vport_state, in, out);
+	if (err)
+		return err;
+
+	*admin_state = MLX5_GET(query_vport_state_out, out, admin_state);
+	return 0;
+}
+
 int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
 				  u16 vport, u8 other_vport, u8 state)
 {
@@ -77,6 +99,58 @@ int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
 	return mlx5_cmd_exec_in(mdev, modify_vport_state, in);
 }

+int mlx5_modify_vport_max_tx_speed(struct mlx5_core_dev *mdev, u8 opmod,
+				   u16 vport, u8 other_vport, u16 max_tx_speed)
+{
+	u32 in[MLX5_ST_SZ_DW(modify_vport_state_in)] = {};
+	u8 admin_state;
+	int err;
+
+	err = mlx5_query_vport_admin_state(mdev, opmod, vport, other_vport,
+					   &admin_state);
+	if (err)
+		return err;
+
+	MLX5_SET(modify_vport_state_in, in, opcode,
+		 MLX5_CMD_OP_MODIFY_VPORT_STATE);
+	MLX5_SET(modify_vport_state_in, in, op_mod, opmod);
+	MLX5_SET(modify_vport_state_in, in, vport_number, vport);
+	MLX5_SET(modify_vport_state_in, in, other_vport, other_vport);
+	MLX5_SET(modify_vport_state_in, in, admin_state, admin_state);
+	MLX5_SET(modify_vport_state_in, in, max_tx_speed, max_tx_speed);
+
+	return mlx5_cmd_exec_in(mdev, modify_vport_state, in);
+}
+
+int mlx5_query_vport_max_tx_speed(struct mlx5_core_dev *mdev, u8 op_mod,
+				  u16 vport, u8 other_vport, u32 *max_tx_speed)
+{
+	u32 out[MLX5_ST_SZ_DW(query_vport_state_out)] = {};
+	u32 in[MLX5_ST_SZ_DW(query_vport_state_in)] = {};
+	u32 state;
+	int err;
+
+	MLX5_SET(query_vport_state_in, in, opcode,
+		 MLX5_CMD_OP_QUERY_VPORT_STATE);
+	MLX5_SET(query_vport_state_in, in, op_mod, op_mod);
+	MLX5_SET(query_vport_state_in, in, vport_number, vport);
+	MLX5_SET(query_vport_state_in, in, other_vport, other_vport);
+
+	err = mlx5_cmd_exec_inout(mdev, query_vport_state, in, out);
+	if (err)
+		return err;
+
+	state = MLX5_GET(query_vport_state_out, out, state);
+	if (state == VPORT_STATE_DOWN) {
+		*max_tx_speed = 0;
+		return 0;
+	}
+
+	*max_tx_speed = MLX5_GET(query_vport_state_out, out, max_tx_speed);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mlx5_query_vport_max_tx_speed);
+
 static int mlx5_query_nic_vport_context(struct mlx5_core_dev *mdev, u16 vport,
 					bool other_vport, u32 *out)
 {
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -1149,6 +1149,7 @@ int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev);
 bool mlx5_lag_is_roce(struct mlx5_core_dev *dev);
 bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);
 bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
+int mlx5_lag_query_bond_speed(struct mlx5_core_dev *dev, u32 *speed);
 bool mlx5_lag_mode_is_hash(struct mlx5_core_dev *dev);
 bool mlx5_lag_is_master(struct mlx5_core_dev *dev);
 bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev);
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1071,7 +1071,9 @@ struct mlx5_ifc_e_switch_cap_bits {
 	u8         esw_shared_ingress_acl[0x1];
 	u8         esw_uplink_ingress_acl[0x1];
 	u8         root_ft_on_other_esw[0x1];
-	u8         reserved_at_a[0xf];
+	u8         reserved_at_a[0x1];
+	u8         esw_vport_state_max_tx_speed[0x1];
+	u8         reserved_at_c[0xd];
 	u8         esw_functions_changed[0x1];
 	u8         reserved_at_1a[0x1];
 	u8         ecpf_vport_exists[0x1];
@@ -5445,7 +5447,8 @@ struct mlx5_ifc_query_vport_state_out_bits {

 	u8         reserved_at_40[0x20];

-	u8         reserved_at_60[0x18];
+	u8         max_tx_speed[0x10];
+	u8         reserved_at_70[0x8];
 	u8         admin_state[0x4];
 	u8         state[0x4];
 };
@@ -7778,7 +7781,7 @@ struct mlx5_ifc_modify_vport_state_in_bits {
 	u8         reserved_at_41[0xf];
 	u8         vport_number[0x10];

-	u8         reserved_at_60[0x10];
+	u8         max_tx_speed[0x10];
 	u8         ingress_connect[0x1];
 	u8         egress_connect[0x1];
 	u8         ingress_connect_valid[0x1];
@@ -11006,7 +11009,9 @@ struct mlx5_ifc_qcam_access_reg_cap_mask {
 };

 struct mlx5_ifc_qcam_qos_feature_cap_mask {
-	u8         qcam_qos_feature_cap_mask_127_to_1[0x7F];
+	u8         qcam_qos_feature_cap_mask_127_to_5[0x7B];
+	u8         qetcr_qshr_max_bw_val_msb[0x1];
+	u8         qcam_qos_feature_cap_mask_3_to_1[0x3];
 	u8         qpts_trust_both[0x1];
 };

@@ -11962,8 +11967,7 @@ struct mlx5_ifc_ets_tcn_config_reg_bits {

 	u8         reserved_at_20[0xc];
 	u8         max_bw_units[0x4];
-	u8         reserved_at_30[0x8];
-	u8         max_bw_value[0x8];
+	u8         max_bw_value[0x10];
 };

 struct mlx5_ifc_ets_global_config_reg_bits {
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -41,6 +41,8 @@
 	 (MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) &&	\
 	 mlx5_core_is_pf(mdev))

+#define MLX5_MAX_TX_SPEED_UNIT 100
+
 enum {
 	MLX5_CAP_INLINE_MODE_L2,
 	MLX5_CAP_INLINE_MODE_VPORT_CONTEXT,
@@ -58,6 +60,10 @@ enum {
 u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport);
 int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
 				  u16 vport, u8 other_vport, u8 state);
+int mlx5_query_vport_max_tx_speed(struct mlx5_core_dev *mdev, u8 op_mod,
+				  u16 vport, u8 other_vport, u32 *max_tx_speed);
+int mlx5_modify_vport_max_tx_speed(struct mlx5_core_dev *mdev, u8 opmod,
+				   u16 vport, u8 other_vport, u16 max_tx_speed);
 int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
 				     u16 vport, bool other, u8 *addr);
 int mlx5_query_mac_address(struct mlx5_core_dev *mdev, u8 *addr);