Merge tag 'mlx5-fixes-2022-06-08' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5 fixes 2022-06-08

This series provides bug fixes to mlx5 driver.

* tag 'mlx5-fixes-2022-06-08' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
  net/mlx5: fs, fail conflicting actions
  net/mlx5: Rearm the FW tracer after each tracer event
  net/mlx5: E-Switch, pair only capable devices
  net/mlx5e: CT: Fix cleanup of CT before cleanup of TC ct rules
  Revert "net/mlx5e: Allow relaxed ordering over VFs"
  MAINTAINERS: adjust MELLANOX ETHERNET INNOVA DRIVERS to TLS support removal
====================

Link: https://lore.kernel.org/r/20220608185855.19818-1-saeed@kernel.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

MAINTAINERS

@@ -12703,7 +12703,6 @@ L:	netdev@vger.kernel.org
 S:	Supported
 W:	http://www.mellanox.com
 Q:	https://patchwork.kernel.org/project/netdevbpf/list/
-F:	drivers/net/ethernet/mellanox/mlx5/core/accel/*
 F:	drivers/net/ethernet/mellanox/mlx5/core/en_accel/*
 F:	drivers/net/ethernet/mellanox/mlx5/core/fpga/*
 F:	include/linux/mlx5/mlx5_ifc_fpga.h

drivers/net/ethernet/mellanox/mlx5/core/dev.c

@@ -579,17 +579,6 @@ static void *pci_get_other_drvdata(struct device *this, struct device *other)
 	return pci_get_drvdata(to_pci_dev(other));
 }
 
-static int next_phys_dev(struct device *dev, const void *data)
-{
-	struct mlx5_core_dev *mdev, *this = (struct mlx5_core_dev *)data;
-
-	mdev = pci_get_other_drvdata(this->device, dev);
-	if (!mdev)
-		return 0;
-
-	return _next_phys_dev(mdev, data);
-}
-
 static int next_phys_dev_lag(struct device *dev, const void *data)
 {
 	struct mlx5_core_dev *mdev, *this = (struct mlx5_core_dev *)data;
@@ -623,13 +612,6 @@ static struct mlx5_core_dev *mlx5_get_next_dev(struct mlx5_core_dev *dev,
 	return pci_get_drvdata(to_pci_dev(next));
 }
 
-/* Must be called with intf_mutex held */
-struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev)
-{
-	lockdep_assert_held(&mlx5_intf_mutex);
-	return mlx5_get_next_dev(dev, &next_phys_dev);
-}
-
 /* Must be called with intf_mutex held */
 struct mlx5_core_dev *mlx5_get_next_phys_dev_lag(struct mlx5_core_dev *dev)
 {

drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c

@@ -675,6 +675,9 @@ static void mlx5_fw_tracer_handle_traces(struct work_struct *work)
 	if (!tracer->owner)
 		return;
 
+	if (unlikely(!tracer->str_db.loaded))
+		goto arm;
+
 	block_count = tracer->buff.size / TRACER_BLOCK_SIZE_BYTE;
 	start_offset = tracer->buff.consumer_index * TRACER_BLOCK_SIZE_BYTE;
 
@@ -732,6 +735,7 @@ static void mlx5_fw_tracer_handle_traces(struct work_struct *work)
 						      &tmp_trace_block[TRACES_PER_BLOCK - 1]);
 	}
 
+arm:
 	mlx5_fw_tracer_arm(dev);
 }
 
@@ -1136,7 +1140,6 @@ static int fw_tracer_event(struct notifier_block *nb, unsigned long action, void
 		queue_work(tracer->work_queue, &tracer->ownership_change_work);
 		break;
 	case MLX5_TRACER_SUBTYPE_TRACES_AVAILABLE:
-		if (likely(tracer->str_db.loaded))
 		queue_work(tracer->work_queue, &tracer->handle_traces_work);
 		break;
 	default:

drivers/net/ethernet/mellanox/mlx5/core/en/params.c

@@ -565,7 +565,8 @@ static void mlx5e_build_rx_cq_param(struct mlx5_core_dev *mdev,
 static u8 rq_end_pad_mode(struct mlx5_core_dev *mdev, struct mlx5e_params *params)
 {
 	bool lro_en = params->packet_merge.type == MLX5E_PACKET_MERGE_LRO;
-	bool ro = MLX5_CAP_GEN(mdev, relaxed_ordering_write);
+	bool ro = pcie_relaxed_ordering_enabled(mdev->pdev) &&
+		MLX5_CAP_GEN(mdev, relaxed_ordering_write);
 
 	return ro && lro_en ?
 		MLX5_WQ_END_PAD_MODE_NONE : MLX5_WQ_END_PAD_MODE_ALIGN;

drivers/net/ethernet/mellanox/mlx5/core/en_common.c

@@ -38,11 +38,12 @@
 
 void mlx5e_mkey_set_relaxed_ordering(struct mlx5_core_dev *mdev, void *mkc)
 {
+	bool ro_pci_enable = pcie_relaxed_ordering_enabled(mdev->pdev);
 	bool ro_write = MLX5_CAP_GEN(mdev, relaxed_ordering_write);
 	bool ro_read = MLX5_CAP_GEN(mdev, relaxed_ordering_read);
 
-	MLX5_SET(mkc, mkc, relaxed_ordering_read, ro_read);
-	MLX5_SET(mkc, mkc, relaxed_ordering_write, ro_write);
+	MLX5_SET(mkc, mkc, relaxed_ordering_read, ro_pci_enable && ro_read);
+	MLX5_SET(mkc, mkc, relaxed_ordering_write, ro_pci_enable && ro_write);
 }
 
 static int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn,

drivers/net/ethernet/mellanox/mlx5/core/en_rep.c

@@ -950,6 +950,13 @@ static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
 	return err;
 }
 
+static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
+{
+	mlx5e_rep_tc_netdevice_event_unregister(rpriv);
+	mlx5e_rep_bond_cleanup(rpriv);
+	mlx5e_rep_tc_cleanup(rpriv);
+}
+
 static int mlx5e_init_rep_tx(struct mlx5e_priv *priv)
 {
 	struct mlx5e_rep_priv *rpriv = priv->ppriv;
@@ -961,42 +968,36 @@ static int mlx5e_init_rep_tx(struct mlx5e_priv *priv)
 		return err;
 	}
 
-	err = mlx5e_tc_ht_init(&rpriv->tc_ht);
-	if (err)
-		goto err_ht_init;
-
 	if (rpriv->rep->vport == MLX5_VPORT_UPLINK) {
 		err = mlx5e_init_uplink_rep_tx(rpriv);
 		if (err)
 			goto err_init_tx;
 	}
 
+	err = mlx5e_tc_ht_init(&rpriv->tc_ht);
+	if (err)
+		goto err_ht_init;
+
 	return 0;
 
-err_init_tx:
-	mlx5e_tc_ht_cleanup(&rpriv->tc_ht);
 err_ht_init:
+	if (rpriv->rep->vport == MLX5_VPORT_UPLINK)
+		mlx5e_cleanup_uplink_rep_tx(rpriv);
+err_init_tx:
 	mlx5e_destroy_tises(priv);
 	return err;
 }
 
-static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
-{
-	mlx5e_rep_tc_netdevice_event_unregister(rpriv);
-	mlx5e_rep_bond_cleanup(rpriv);
-	mlx5e_rep_tc_cleanup(rpriv);
-}
-
 static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv)
 {
 	struct mlx5e_rep_priv *rpriv = priv->ppriv;
 
-	mlx5e_destroy_tises(priv);
+	mlx5e_tc_ht_cleanup(&rpriv->tc_ht);
 
 	if (rpriv->rep->vport == MLX5_VPORT_UPLINK)
 		mlx5e_cleanup_uplink_rep_tx(rpriv);
 
-	mlx5e_tc_ht_cleanup(&rpriv->tc_ht);
+	mlx5e_destroy_tises(priv);
 }
 
 static void mlx5e_rep_enable(struct mlx5e_priv *priv)

drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c

@@ -2690,9 +2690,6 @@ static int mlx5_esw_offloads_devcom_event(int event,
 
 	switch (event) {
 	case ESW_OFFLOADS_DEVCOM_PAIR:
-		if (mlx5_get_next_phys_dev(esw->dev) != peer_esw->dev)
-			break;
-
 		if (mlx5_eswitch_vport_match_metadata_enabled(esw) !=
 		    mlx5_eswitch_vport_match_metadata_enabled(peer_esw))
 			break;
@@ -2744,6 +2741,9 @@ static void esw_offloads_devcom_init(struct mlx5_eswitch *esw)
 	if (!MLX5_CAP_ESW(esw->dev, merged_eswitch))
 		return;
 
+	if (!mlx5_is_lag_supported(esw->dev))
+		return;
+
 	mlx5_devcom_register_component(devcom,
 				       MLX5_DEVCOM_ESW_OFFLOADS,
 				       mlx5_esw_offloads_devcom_event,
@@ -2761,6 +2761,9 @@ static void esw_offloads_devcom_cleanup(struct mlx5_eswitch *esw)
 	if (!MLX5_CAP_ESW(esw->dev, merged_eswitch))
 		return;
 
+	if (!mlx5_is_lag_supported(esw->dev))
+		return;
+
 	mlx5_devcom_send_event(devcom, MLX5_DEVCOM_ESW_OFFLOADS,
 			       ESW_OFFLOADS_DEVCOM_UNPAIR, esw);
 

drivers/net/ethernet/mellanox/mlx5/core/fs_core.c

@@ -1574,9 +1574,22 @@ static struct mlx5_flow_rule *find_flow_rule(struct fs_fte *fte,
 	return NULL;
 }
 
-static bool check_conflicting_actions(u32 action1, u32 action2)
+static bool check_conflicting_actions_vlan(const struct mlx5_fs_vlan *vlan0,
+					   const struct mlx5_fs_vlan *vlan1)
 {
-	u32 xored_actions = action1 ^ action2;
+	return vlan0->ethtype != vlan1->ethtype ||
+	       vlan0->vid != vlan1->vid ||
+	       vlan0->prio != vlan1->prio;
+}
+
+static bool check_conflicting_actions(const struct mlx5_flow_act *act1,
+				      const struct mlx5_flow_act *act2)
+{
+	u32 action1 = act1->action;
+	u32 action2 = act2->action;
+	u32 xored_actions;
+
+	xored_actions = action1 ^ action2;
 
 	/* if one rule only wants to count, it's ok */
 	if (action1 == MLX5_FLOW_CONTEXT_ACTION_COUNT ||
@@ -1593,6 +1606,22 @@ static bool check_conflicting_actions(u32 action1, u32 action2)
 			     MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2))
 		return true;
 
+	if (action1 & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT &&
+	    act1->pkt_reformat != act2->pkt_reformat)
+		return true;
+
+	if (action1 & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
+	    act1->modify_hdr != act2->modify_hdr)
+		return true;
+
+	if (action1 & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH &&
+	    check_conflicting_actions_vlan(&act1->vlan[0], &act2->vlan[0]))
+		return true;
+
+	if (action1 & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2 &&
+	    check_conflicting_actions_vlan(&act1->vlan[1], &act2->vlan[1]))
+		return true;
+
 	return false;
 }
 
@@ -1600,7 +1629,7 @@ static int check_conflicting_ftes(struct fs_fte *fte,
 				  const struct mlx5_flow_context *flow_context,
 				  const struct mlx5_flow_act *flow_act)
 {
-	if (check_conflicting_actions(flow_act->action, fte->action.action)) {
+	if (check_conflicting_actions(flow_act, &fte->action)) {
 		mlx5_core_warn(get_dev(&fte->node),
 			       "Found two FTEs with conflicting actions\n");
 		return -EEXIST;

drivers/net/ethernet/mellanox/mlx5/core/lag/lag.h

@@ -74,6 +74,16 @@ struct mlx5_lag {
 	struct lag_mpesw	  lag_mpesw;
 };
 
+static inline bool mlx5_is_lag_supported(struct mlx5_core_dev *dev)
+{
+	if (!MLX5_CAP_GEN(dev, vport_group_manager) ||
+	    !MLX5_CAP_GEN(dev, lag_master) ||
+	    MLX5_CAP_GEN(dev, num_lag_ports) < 2 ||
+	    MLX5_CAP_GEN(dev, num_lag_ports) > MLX5_MAX_PORTS)
+		return false;
+	return true;
+}
+
 static inline struct mlx5_lag *
 mlx5_lag_dev(struct mlx5_core_dev *dev)
 {

drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h

@@ -209,7 +209,6 @@ int mlx5_attach_device(struct mlx5_core_dev *dev);
 void mlx5_detach_device(struct mlx5_core_dev *dev);
 int mlx5_register_device(struct mlx5_core_dev *dev);
 void mlx5_unregister_device(struct mlx5_core_dev *dev);
-struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev);
 struct mlx5_core_dev *mlx5_get_next_phys_dev_lag(struct mlx5_core_dev *dev);
 void mlx5_dev_list_lock(void);
 void mlx5_dev_list_unlock(void);