1 files changed, 140 insertions, 36 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index d111cebca9f1..f991f669047e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -68,8 +68,10 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
 	}
 	if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
 		counter = mlx5_fc_create(esw->dev, true);
-		if (IS_ERR(counter))
-			return ERR_CAST(counter);
+		if (IS_ERR(counter)) {
+			rule = ERR_CAST(counter);
+			goto err_counter_alloc;
+		}
 		dest[i].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
 		dest[i].counter = counter;
 		i++;
@@ -86,17 +88,25 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
 	if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DECAP)
 		spec->match_criteria_enable |= MLX5_MATCH_INNER_HEADERS;
 
-	if (attr->encap)
-		flow_act.encap_id = attr->encap->encap_id;
+	if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
+		flow_act.modify_id = attr->mod_hdr_id;
+
+	if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
+		flow_act.encap_id = attr->encap_id;
 
 	rule = mlx5_add_flow_rules((struct mlx5_flow_table *)esw->fdb_table.fdb,
 				   spec, &flow_act, dest, i);
 	if (IS_ERR(rule))
-		mlx5_fc_destroy(esw->dev, counter);
+		goto err_add_rule;
 	else
 		esw->offloads.num_flows++;
 
 	return rule;
+
+err_add_rule:
+	mlx5_fc_destroy(esw->dev, counter);
+err_counter_alloc:
+	return rule;
 }
 
 void
@@ -106,12 +116,10 @@ mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
 {
 	struct mlx5_fc *counter = NULL;
 
-	if (!IS_ERR(rule)) {
-		counter = mlx5_flow_rule_counter(rule);
-		mlx5_del_flow_rules(rule);
-		mlx5_fc_destroy(esw->dev, counter);
-		esw->offloads.num_flows--;
-	}
+	counter = mlx5_flow_rule_counter(rule);
+	mlx5_del_flow_rules(rule);
+	mlx5_fc_destroy(esw->dev, counter);
+	esw->offloads.num_flows--;
 }
 
 static int esw_set_global_vlan_pop(struct mlx5_eswitch *esw, u8 val)
@@ -418,30 +426,21 @@ out:
 	return err;
 }
 
-#define MAX_PF_SQ 256
 #define ESW_OFFLOADS_NUM_GROUPS  4
 
-static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports)
+static int esw_create_offloads_fast_fdb_table(struct mlx5_eswitch *esw)
 {
-	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
-	int table_size, ix, esw_size, err = 0;
 	struct mlx5_core_dev *dev = esw->dev;
 	struct mlx5_flow_namespace *root_ns;
 	struct mlx5_flow_table *fdb = NULL;
-	struct mlx5_flow_group *g;
-	u32 *flow_group_in;
-	void *match_criteria;
+	int esw_size, err = 0;
 	u32 flags = 0;
 
-	flow_group_in = mlx5_vzalloc(inlen);
-	if (!flow_group_in)
-		return -ENOMEM;
-
 	root_ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_FDB);
 	if (!root_ns) {
 		esw_warn(dev, "Failed to get FDB flow namespace\n");
 		err = -EOPNOTSUPP;
-		goto ns_err;
+		goto out;
 	}
 
 	esw_debug(dev, "Create offloads FDB table, min (max esw size(2^%d), max counters(%d)*groups(%d))\n",
@@ -451,8 +450,7 @@ static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports)
 	esw_size = min_t(int, MLX5_CAP_GEN(dev, max_flow_counter) * ESW_OFFLOADS_NUM_GROUPS,
 			 1 << MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size));
 
-	if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, encap) &&
-	    MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap))
+	if (esw->offloads.encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE)
 		flags |= MLX5_FLOW_TABLE_TUNNEL_EN;
 
 	fdb = mlx5_create_auto_grouped_flow_table(root_ns, FDB_FAST_PATH,
@@ -462,12 +460,55 @@ static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports)
 	if (IS_ERR(fdb)) {
 		err = PTR_ERR(fdb);
 		esw_warn(dev, "Failed to create Fast path FDB Table err %d\n", err);
-		goto fast_fdb_err;
+		goto out;
 	}
 	esw->fdb_table.fdb = fdb;
 
+out:
+	return err;
+}
+
+static void esw_destroy_offloads_fast_fdb_table(struct mlx5_eswitch *esw)
+{
+	mlx5_destroy_flow_table(esw->fdb_table.fdb);
+}
+
+#define MAX_PF_SQ 256
+
+static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports)
+{
+	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+	struct mlx5_flow_table_attr ft_attr = {};
+	struct mlx5_core_dev *dev = esw->dev;
+	struct mlx5_flow_namespace *root_ns;
+	struct mlx5_flow_table *fdb = NULL;
+	int table_size, ix, err = 0;
+	struct mlx5_flow_group *g;
+	void *match_criteria;
+	u32 *flow_group_in;
+
+	esw_debug(esw->dev, "Create offloads FDB Tables\n");
+	flow_group_in = mlx5_vzalloc(inlen);
+	if (!flow_group_in)
+		return -ENOMEM;
+
+	root_ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_FDB);
+	if (!root_ns) {
+		esw_warn(dev, "Failed to get FDB flow namespace\n");
+		err = -EOPNOTSUPP;
+		goto ns_err;
+	}
+
+	err = esw_create_offloads_fast_fdb_table(esw);
+	if (err)
+		goto fast_fdb_err;
+
 	table_size = nvports + MAX_PF_SQ + 1;
-	fdb = mlx5_create_flow_table(root_ns, FDB_SLOW_PATH, table_size, 0, 0);
+
+	ft_attr.max_fte = table_size;
+	ft_attr.prio = FDB_SLOW_PATH;
+
+	fdb = mlx5_create_flow_table(root_ns, &ft_attr);
 	if (IS_ERR(fdb)) {
 		err = PTR_ERR(fdb);
 		esw_warn(dev, "Failed to create slow path FDB Table err %d\n", err);
@@ -532,25 +573,26 @@ ns_err:
 	return err;
 }
 
-static void esw_destroy_offloads_fdb_table(struct mlx5_eswitch *esw)
+static void esw_destroy_offloads_fdb_tables(struct mlx5_eswitch *esw)
 {
 	if (!esw->fdb_table.fdb)
 		return;
 
-	esw_debug(esw->dev, "Destroy offloads FDB Table\n");
+	esw_debug(esw->dev, "Destroy offloads FDB Tables\n");
 	mlx5_del_flow_rules(esw->fdb_table.offloads.miss_rule);
 	mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp);
 	mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp);
 
 	mlx5_destroy_flow_table(esw->fdb_table.offloads.fdb);
-	mlx5_destroy_flow_table(esw->fdb_table.fdb);
+	esw_destroy_offloads_fast_fdb_table(esw);
 }
 
 static int esw_create_offloads_table(struct mlx5_eswitch *esw)
 {
-	struct mlx5_flow_namespace *ns;
-	struct mlx5_flow_table *ft_offloads;
+	struct mlx5_flow_table_attr ft_attr = {};
 	struct mlx5_core_dev *dev = esw->dev;
+	struct mlx5_flow_table *ft_offloads;
+	struct mlx5_flow_namespace *ns;
 	int err = 0;
 
 	ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_OFFLOADS);
@@ -559,7 +601,9 @@ static int esw_create_offloads_table(struct mlx5_eswitch *esw)
 		return -EOPNOTSUPP;
 	}
 
-	ft_offloads = mlx5_create_flow_table(ns, 0, dev->priv.sriov.num_vfs + 2, 0, 0);
+	ft_attr.max_fte = dev->priv.sriov.num_vfs + 2;
+
+	ft_offloads = mlx5_create_flow_table(ns, &ft_attr);
 	if (IS_ERR(ft_offloads)) {
 		err = PTR_ERR(ft_offloads);
 		esw_warn(esw->dev, "Failed to create offloads table, err %d\n", err);
@@ -700,7 +744,7 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int nvports)
 	mlx5_remove_dev_by_protocol(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
 	mlx5_dev_list_unlock();
 
-	err = esw_create_offloads_fdb_table(esw, nvports);
+	err = esw_create_offloads_fdb_tables(esw, nvports);
 	if (err)
 		goto create_fdb_err;
 
@@ -737,7 +781,7 @@ create_fg_err:
 	esw_destroy_offloads_table(esw);
 
 create_ft_err:
-	esw_destroy_offloads_fdb_table(esw);
+	esw_destroy_offloads_fdb_tables(esw);
 
 create_fdb_err:
 	/* enable back PF RoCE */
@@ -783,7 +827,7 @@ void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports)
 
 	esw_destroy_vport_rx_group(esw);
 	esw_destroy_offloads_table(esw);
-	esw_destroy_offloads_fdb_table(esw);
+	esw_destroy_offloads_fdb_tables(esw);
 }
 
 static int esw_mode_from_devlink(u16 mode, u16 *mlx5_mode)
@@ -1012,6 +1056,66 @@ out:
 	return 0;
 }
 
+int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+	struct mlx5_eswitch *esw = dev->priv.eswitch;
+	int err;
+
+	if (!MLX5_CAP_GEN(dev, vport_group_manager))
+		return -EOPNOTSUPP;
+
+	if (esw->mode == SRIOV_NONE)
+		return -EOPNOTSUPP;
+
+	if (encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE &&
+	    (!MLX5_CAP_ESW_FLOWTABLE_FDB(dev, encap) ||
+	     !MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap)))
+		return -EOPNOTSUPP;
+
+	if (encap && encap != DEVLINK_ESWITCH_ENCAP_MODE_BASIC)
+		return -EOPNOTSUPP;
+
+	if (esw->mode == SRIOV_LEGACY) {
+		esw->offloads.encap = encap;
+		return 0;
+	}
+
+	if (esw->offloads.encap == encap)
+		return 0;
+
+	if (esw->offloads.num_flows > 0) {
+		esw_warn(dev, "Can't set encapsulation when flows are configured\n");
+		return -EOPNOTSUPP;
+	}
+
+	esw_destroy_offloads_fast_fdb_table(esw);
+
+	esw->offloads.encap = encap;
+	err = esw_create_offloads_fast_fdb_table(esw);
+	if (err) {
+		esw_warn(esw->dev, "Failed re-creating fast FDB table, err %d\n", err);
+		esw->offloads.encap = !encap;
+		(void) esw_create_offloads_fast_fdb_table(esw);
+	}
+	return err;
+}
+
+int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+	struct mlx5_eswitch *esw = dev->priv.eswitch;
+
+	if (!MLX5_CAP_GEN(dev, vport_group_manager))
+		return -EOPNOTSUPP;
+
+	if (esw->mode == SRIOV_NONE)
+		return -EOPNOTSUPP;
+
+	*encap = esw->offloads.encap;
+	return 0;
+}
+
 void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw,
 				     int vport_index,
 				     struct mlx5_eswitch_rep *__rep)