mlxsw: spectrum_acl: Implement TC block sharing

Benefit from the prepared TC and in-driver ACL infrastructure and
introduce block sharing offload. For that, a new struct "block" is
introduced in spectrum_acl in order to hold a list of specific
block-port bindings.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

@@ -1747,72 +1747,186 @@ static int mlxsw_sp_setup_tc_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
 }
 
 static int
-mlxsw_sp_setup_tc_cls_flower(struct mlxsw_sp_port *mlxsw_sp_port,
-			     struct tc_cls_flower_offload *f,
-			     bool ingress)
+mlxsw_sp_setup_tc_cls_flower(struct mlxsw_sp_acl_block *acl_block,
+			     struct tc_cls_flower_offload *f)
 {
+	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_acl_block_mlxsw_sp(acl_block);
+
 	switch (f->command) {
 	case TC_CLSFLOWER_REPLACE:
-		return mlxsw_sp_flower_replace(mlxsw_sp_port, ingress, f);
+		return mlxsw_sp_flower_replace(mlxsw_sp, acl_block, f);
 	case TC_CLSFLOWER_DESTROY:
-		mlxsw_sp_flower_destroy(mlxsw_sp_port, ingress, f);
+		mlxsw_sp_flower_destroy(mlxsw_sp, acl_block, f);
 		return 0;
 	case TC_CLSFLOWER_STATS:
-		return mlxsw_sp_flower_stats(mlxsw_sp_port, ingress, f);
+		return mlxsw_sp_flower_stats(mlxsw_sp, acl_block, f);
 	default:
 		return -EOPNOTSUPP;
 	}
 }
 
-static int mlxsw_sp_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+static int mlxsw_sp_setup_tc_block_cb_matchall(enum tc_setup_type type,
+					       void *type_data,
 					       void *cb_priv, bool ingress)
 {
 	struct mlxsw_sp_port *mlxsw_sp_port = cb_priv;
 
+	switch (type) {
+	case TC_SETUP_CLSMATCHALL:
 		if (!tc_can_offload(mlxsw_sp_port->dev))
 			return -EOPNOTSUPP;
 
-	switch (type) {
-	case TC_SETUP_CLSMATCHALL:
 		return mlxsw_sp_setup_tc_cls_matchall(mlxsw_sp_port, type_data,
 						      ingress);
 	case TC_SETUP_CLSFLOWER:
-		return mlxsw_sp_setup_tc_cls_flower(mlxsw_sp_port, type_data,
-						    ingress);
+		return 0;
 	default:
 		return -EOPNOTSUPP;
 	}
 }
 
-static int mlxsw_sp_setup_tc_block_cb_ig(enum tc_setup_type type,
-					 void *type_data, void *cb_priv)
+static int mlxsw_sp_setup_tc_block_cb_matchall_ig(enum tc_setup_type type,
+						  void *type_data,
+						  void *cb_priv)
 {
-	return mlxsw_sp_setup_tc_block_cb(type, type_data, cb_priv, true);
+	return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
+						   cb_priv, true);
 }
 
-static int mlxsw_sp_setup_tc_block_cb_eg(enum tc_setup_type type,
+static int mlxsw_sp_setup_tc_block_cb_matchall_eg(enum tc_setup_type type,
+						  void *type_data,
+						  void *cb_priv)
+{
+	return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
+						   cb_priv, false);
+}
+
+static int mlxsw_sp_setup_tc_block_cb_flower(enum tc_setup_type type,
 					     void *type_data, void *cb_priv)
 {
-	return mlxsw_sp_setup_tc_block_cb(type, type_data, cb_priv, false);
+	struct mlxsw_sp_acl_block *acl_block = cb_priv;
+
+	switch (type) {
+	case TC_SETUP_CLSMATCHALL:
+		return 0;
+	case TC_SETUP_CLSFLOWER:
+		if (mlxsw_sp_acl_block_disabled(acl_block))
+			return -EOPNOTSUPP;
+
+		return mlxsw_sp_setup_tc_cls_flower(acl_block, type_data);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int
+mlxsw_sp_setup_tc_block_flower_bind(struct mlxsw_sp_port *mlxsw_sp_port,
+				    struct tcf_block *block, bool ingress)
+{
+	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+	struct mlxsw_sp_acl_block *acl_block;
+	struct tcf_block_cb *block_cb;
+	int err;
+
+	block_cb = tcf_block_cb_lookup(block, mlxsw_sp_setup_tc_block_cb_flower,
+				       mlxsw_sp);
+	if (!block_cb) {
+		acl_block = mlxsw_sp_acl_block_create(mlxsw_sp, block->net);
+		if (!acl_block)
+			return -ENOMEM;
+		block_cb = __tcf_block_cb_register(block,
+						   mlxsw_sp_setup_tc_block_cb_flower,
+						   mlxsw_sp, acl_block);
+		if (IS_ERR(block_cb)) {
+			err = PTR_ERR(block_cb);
+			goto err_cb_register;
+		}
+	} else {
+		acl_block = tcf_block_cb_priv(block_cb);
+	}
+	tcf_block_cb_incref(block_cb);
+	err = mlxsw_sp_acl_block_bind(mlxsw_sp, acl_block,
+				      mlxsw_sp_port, ingress);
+	if (err)
+		goto err_block_bind;
+
+	if (ingress)
+		mlxsw_sp_port->ing_acl_block = acl_block;
+	else
+		mlxsw_sp_port->eg_acl_block = acl_block;
+
+	return 0;
+
+err_block_bind:
+	if (!tcf_block_cb_decref(block_cb)) {
+		__tcf_block_cb_unregister(block_cb);
+err_cb_register:
+		mlxsw_sp_acl_block_destroy(acl_block);
+	}
+	return err;
+}
+
+static void
+mlxsw_sp_setup_tc_block_flower_unbind(struct mlxsw_sp_port *mlxsw_sp_port,
+				      struct tcf_block *block, bool ingress)
+{
+	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+	struct mlxsw_sp_acl_block *acl_block;
+	struct tcf_block_cb *block_cb;
+	int err;
+
+	block_cb = tcf_block_cb_lookup(block, mlxsw_sp_setup_tc_block_cb_flower,
+				       mlxsw_sp);
+	if (!block_cb)
+		return;
+
+	if (ingress)
+		mlxsw_sp_port->ing_acl_block = NULL;
+	else
+		mlxsw_sp_port->eg_acl_block = NULL;
+
+	acl_block = tcf_block_cb_priv(block_cb);
+	err = mlxsw_sp_acl_block_unbind(mlxsw_sp, acl_block,
+					mlxsw_sp_port, ingress);
+	if (!err && !tcf_block_cb_decref(block_cb)) {
+		__tcf_block_cb_unregister(block_cb);
+		mlxsw_sp_acl_block_destroy(acl_block);
+	}
 }
 
 static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port,
 				   struct tc_block_offload *f)
 {
 	tc_setup_cb_t *cb;
+	bool ingress;
+	int err;
 
-	if (f->binder_type == TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
-		cb = mlxsw_sp_setup_tc_block_cb_ig;
-	else if (f->binder_type == TCF_BLOCK_BINDER_TYPE_CLSACT_EGRESS)
-		cb = mlxsw_sp_setup_tc_block_cb_eg;
-	else
+	if (f->binder_type == TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
+		cb = mlxsw_sp_setup_tc_block_cb_matchall_ig;
+		ingress = true;
+	} else if (f->binder_type == TCF_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
+		cb = mlxsw_sp_setup_tc_block_cb_matchall_eg;
+		ingress = false;
+	} else {
 		return -EOPNOTSUPP;
+	}
 
 	switch (f->command) {
 	case TC_BLOCK_BIND:
-		return tcf_block_cb_register(f->block, cb, mlxsw_sp_port,
+		err = tcf_block_cb_register(f->block, cb, mlxsw_sp_port,
 					    mlxsw_sp_port);
+		if (err)
+			return err;
+		err = mlxsw_sp_setup_tc_block_flower_bind(mlxsw_sp_port,
+							  f->block, ingress);
+		if (err) {
+			tcf_block_cb_unregister(f->block, cb, mlxsw_sp_port);
+			return err;
+		}
+		return 0;
 	case TC_BLOCK_UNBIND:
+		mlxsw_sp_setup_tc_block_flower_unbind(mlxsw_sp_port,
+						      f->block, ingress);
 		tcf_block_cb_unregister(f->block, cb, mlxsw_sp_port);
 		return 0;
 	default:
@@ -1842,11 +1956,19 @@ static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable)
 {
 	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
 
-	if (!enable && (mlxsw_sp_port->acl_rule_count ||
-			!list_empty(&mlxsw_sp_port->mall_tc_list))) {
+	if (!enable) {
+		if (mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->ing_acl_block) ||
+		    mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->eg_acl_block) ||
+		    !list_empty(&mlxsw_sp_port->mall_tc_list)) {
 			netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
 			return -EINVAL;
 		}
+		mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->ing_acl_block);
+		mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->eg_acl_block);
+	} else {
+		mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->ing_acl_block);
+		mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->eg_acl_block);
+	}
 	return 0;
 }
 

drivers/net/ethernet/mellanox/mlxsw/spectrum.h

@@ -260,6 +260,8 @@ struct mlxsw_sp_port {
 	struct list_head vlans_list;
 	struct mlxsw_sp_qdisc *root_qdisc;
 	unsigned acl_rule_count;
+	struct mlxsw_sp_acl_block *ing_acl_block;
+	struct mlxsw_sp_acl_block *eg_acl_block;
 };
 
 static inline bool
@@ -490,17 +492,34 @@ struct mlxsw_sp_acl_ops {
 				       enum mlxsw_sp_acl_profile profile);
 };
 
+struct mlxsw_sp_acl_block;
 struct mlxsw_sp_acl_ruleset;
 
 /* spectrum_acl.c */
 struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl);
+struct mlxsw_sp *mlxsw_sp_acl_block_mlxsw_sp(struct mlxsw_sp_acl_block *block);
+unsigned int mlxsw_sp_acl_block_rule_count(struct mlxsw_sp_acl_block *block);
+void mlxsw_sp_acl_block_disable_inc(struct mlxsw_sp_acl_block *block);
+void mlxsw_sp_acl_block_disable_dec(struct mlxsw_sp_acl_block *block);
+bool mlxsw_sp_acl_block_disabled(struct mlxsw_sp_acl_block *block);
+struct mlxsw_sp_acl_block *mlxsw_sp_acl_block_create(struct mlxsw_sp *mlxsw_sp,
+						     struct net *net);
+void mlxsw_sp_acl_block_destroy(struct mlxsw_sp_acl_block *block);
+int mlxsw_sp_acl_block_bind(struct mlxsw_sp *mlxsw_sp,
+			    struct mlxsw_sp_acl_block *block,
+			    struct mlxsw_sp_port *mlxsw_sp_port,
+			    bool ingress);
+int mlxsw_sp_acl_block_unbind(struct mlxsw_sp *mlxsw_sp,
+			      struct mlxsw_sp_acl_block *block,
+			      struct mlxsw_sp_port *mlxsw_sp_port,
+			      bool ingress);
 struct mlxsw_sp_acl_ruleset *
-mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
-			    bool ingress, u32 chain_index,
+mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp,
+			    struct mlxsw_sp_acl_block *block, u32 chain_index,
 			    enum mlxsw_sp_acl_profile profile);
 struct mlxsw_sp_acl_ruleset *
-mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
-			 bool ingress, u32 chain_index,
+mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp,
+			 struct mlxsw_sp_acl_block *block, u32 chain_index,
 			 enum mlxsw_sp_acl_profile profile);
 void mlxsw_sp_acl_ruleset_put(struct mlxsw_sp *mlxsw_sp,
 			      struct mlxsw_sp_acl_ruleset *ruleset);
@@ -567,11 +586,14 @@ void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp);
 extern const struct mlxsw_sp_acl_ops mlxsw_sp_acl_tcam_ops;
 
 /* spectrum_flower.c */
-int mlxsw_sp_flower_replace(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
+int mlxsw_sp_flower_replace(struct mlxsw_sp *mlxsw_sp,
+			    struct mlxsw_sp_acl_block *block,
 			    struct tc_cls_flower_offload *f);
-void mlxsw_sp_flower_destroy(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
+void mlxsw_sp_flower_destroy(struct mlxsw_sp *mlxsw_sp,
+			     struct mlxsw_sp_acl_block *block,
 			     struct tc_cls_flower_offload *f);
-int mlxsw_sp_flower_stats(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
+int mlxsw_sp_flower_stats(struct mlxsw_sp *mlxsw_sp,
+			  struct mlxsw_sp_acl_block *block,
 			  struct tc_cls_flower_offload *f);
 
 /* spectrum_qdisc.c */

drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c

@@ -39,6 +39,7 @@
 #include <linux/string.h>
 #include <linux/rhashtable.h>
 #include <linux/netdevice.h>
+#include <net/net_namespace.h>
 #include <net/tc_act/tc_vlan.h>
 
 #include "reg.h"
@@ -70,9 +71,23 @@ struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl)
 	return acl->afk;
 }
 
-struct mlxsw_sp_acl_ruleset_ht_key {
-	struct net_device *dev; /* dev this ruleset is bound to */
+struct mlxsw_sp_acl_block_binding {
+	struct list_head list;
+	struct net_device *dev;
+	struct mlxsw_sp_port *mlxsw_sp_port;
 	bool ingress;
+};
+
+struct mlxsw_sp_acl_block {
+	struct list_head binding_list;
+	struct mlxsw_sp_acl_ruleset *ruleset_zero;
+	struct mlxsw_sp *mlxsw_sp;
+	unsigned int rule_count;
+	unsigned int disable_count;
+};
+
+struct mlxsw_sp_acl_ruleset_ht_key {
+	struct mlxsw_sp_acl_block *block;
 	u32 chain_index;
 	const struct mlxsw_sp_acl_profile_ops *ops;
 };
@@ -118,27 +133,185 @@ struct mlxsw_sp_fid *mlxsw_sp_acl_dummy_fid(struct mlxsw_sp *mlxsw_sp)
 	return mlxsw_sp->acl->dummy_fid;
 }
 
-static int mlxsw_sp_acl_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
-				     struct mlxsw_sp_acl_ruleset *ruleset,
-				     struct net_device *dev, bool ingress)
+struct mlxsw_sp *mlxsw_sp_acl_block_mlxsw_sp(struct mlxsw_sp_acl_block *block)
+{
+	return block->mlxsw_sp;
+}
+
+unsigned int mlxsw_sp_acl_block_rule_count(struct mlxsw_sp_acl_block *block)
+{
+	return block ? block->rule_count : 0;
+}
+
+void mlxsw_sp_acl_block_disable_inc(struct mlxsw_sp_acl_block *block)
+{
+	if (block)
+		block->disable_count++;
+}
+
+void mlxsw_sp_acl_block_disable_dec(struct mlxsw_sp_acl_block *block)
+{
+	if (block)
+		block->disable_count--;
+}
+
+bool mlxsw_sp_acl_block_disabled(struct mlxsw_sp_acl_block *block)
 {
+	return block->disable_count;
+}
+
+static int
+mlxsw_sp_acl_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
+			  struct mlxsw_sp_acl_block *block,
+			  struct mlxsw_sp_acl_block_binding *binding)
+{
+	struct mlxsw_sp_acl_ruleset *ruleset = block->ruleset_zero;
 	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
 
-	return ops->ruleset_bind(mlxsw_sp, ruleset->priv, dev, ingress);
+	return ops->ruleset_bind(mlxsw_sp, ruleset->priv,
+				 binding->mlxsw_sp_port->dev, binding->ingress);
 }
 
-static void mlxsw_sp_acl_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
-					struct mlxsw_sp_acl_ruleset *ruleset,
-					struct net_device *dev, bool ingress)
+static void
+mlxsw_sp_acl_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
+			    struct mlxsw_sp_acl_block *block,
+			    struct mlxsw_sp_acl_block_binding *binding)
 {
+	struct mlxsw_sp_acl_ruleset *ruleset = block->ruleset_zero;
 	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
 
-	ops->ruleset_unbind(mlxsw_sp, ruleset->priv, dev, ingress);
+	ops->ruleset_unbind(mlxsw_sp, ruleset->priv,
+			    binding->mlxsw_sp_port->dev, binding->ingress);
+}
+
+static bool mlxsw_sp_acl_ruleset_block_bound(struct mlxsw_sp_acl_block *block)
+{
+	return block->ruleset_zero;
+}
+
+static int
+mlxsw_sp_acl_ruleset_block_bind(struct mlxsw_sp *mlxsw_sp,
+				struct mlxsw_sp_acl_ruleset *ruleset,
+				struct mlxsw_sp_acl_block *block)
+{
+	struct mlxsw_sp_acl_block_binding *binding;
+	int err;
+
+	block->ruleset_zero = ruleset;
+	list_for_each_entry(binding, &block->binding_list, list) {
+		err = mlxsw_sp_acl_ruleset_bind(mlxsw_sp, block, binding);
+		if (err)
+			goto rollback;
+	}
+	return 0;
+
+rollback:
+	list_for_each_entry_continue_reverse(binding, &block->binding_list,
+					     list)
+		mlxsw_sp_acl_ruleset_unbind(mlxsw_sp, block, binding);
+	block->ruleset_zero = NULL;
+
+	return err;
+}
+
+static void
+mlxsw_sp_acl_ruleset_block_unbind(struct mlxsw_sp *mlxsw_sp,
+				  struct mlxsw_sp_acl_ruleset *ruleset,
+				  struct mlxsw_sp_acl_block *block)
+{
+	struct mlxsw_sp_acl_block_binding *binding;
+
+	list_for_each_entry(binding, &block->binding_list, list)
+		mlxsw_sp_acl_ruleset_unbind(mlxsw_sp, block, binding);
+	block->ruleset_zero = NULL;
+}
+
+struct mlxsw_sp_acl_block *mlxsw_sp_acl_block_create(struct mlxsw_sp *mlxsw_sp,
+						     struct net *net)
+{
+	struct mlxsw_sp_acl_block *block;
+
+	block = kzalloc(sizeof(*block), GFP_KERNEL);
+	if (!block)
+		return NULL;
+	INIT_LIST_HEAD(&block->binding_list);
+	block->mlxsw_sp = mlxsw_sp;
+	return block;
+}
+
+void mlxsw_sp_acl_block_destroy(struct mlxsw_sp_acl_block *block)
+{
+	WARN_ON(!list_empty(&block->binding_list));
+	kfree(block);
+}
+
+static struct mlxsw_sp_acl_block_binding *
+mlxsw_sp_acl_block_lookup(struct mlxsw_sp_acl_block *block,
+			  struct mlxsw_sp_port *mlxsw_sp_port, bool ingress)
+{
+	struct mlxsw_sp_acl_block_binding *binding;
+
+	list_for_each_entry(binding, &block->binding_list, list)
+		if (binding->mlxsw_sp_port == mlxsw_sp_port &&
+		    binding->ingress == ingress)
+			return binding;
+	return NULL;
+}
+
+int mlxsw_sp_acl_block_bind(struct mlxsw_sp *mlxsw_sp,
+			    struct mlxsw_sp_acl_block *block,
+			    struct mlxsw_sp_port *mlxsw_sp_port,
+			    bool ingress)
+{
+	struct mlxsw_sp_acl_block_binding *binding;
+	int err;
+
+	if (WARN_ON(mlxsw_sp_acl_block_lookup(block, mlxsw_sp_port, ingress)))
+		return -EEXIST;
+
+	binding = kzalloc(sizeof(*binding), GFP_KERNEL);
+	if (!binding)
+		return -ENOMEM;
+	binding->mlxsw_sp_port = mlxsw_sp_port;
+	binding->ingress = ingress;
+
+	if (mlxsw_sp_acl_ruleset_block_bound(block)) {
+		err = mlxsw_sp_acl_ruleset_bind(mlxsw_sp, block, binding);
+		if (err)
+			goto err_ruleset_bind;
+	}
+
+	list_add(&binding->list, &block->binding_list);
+	return 0;
+
+err_ruleset_bind:
+	kfree(binding);
+	return err;
+}
+
+int mlxsw_sp_acl_block_unbind(struct mlxsw_sp *mlxsw_sp,
+			      struct mlxsw_sp_acl_block *block,
+			      struct mlxsw_sp_port *mlxsw_sp_port,
+			      bool ingress)
+{
+	struct mlxsw_sp_acl_block_binding *binding;
+
+	binding = mlxsw_sp_acl_block_lookup(block, mlxsw_sp_port, ingress);
+	if (!binding)
+		return -ENOENT;
+
+	list_del(&binding->list);
+
+	if (mlxsw_sp_acl_ruleset_block_bound(block))
+		mlxsw_sp_acl_ruleset_unbind(mlxsw_sp, block, binding);
+
+	kfree(binding);
+	return 0;
 }
 
 static struct mlxsw_sp_acl_ruleset *
-mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
-			    bool ingress, u32 chain_index,
+mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp,
+			    struct mlxsw_sp_acl_block *block, u32 chain_index,
 			    const struct mlxsw_sp_acl_profile_ops *ops)
 {
 	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
@@ -151,8 +324,7 @@ mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
 	if (!ruleset)
 		return ERR_PTR(-ENOMEM);
 	ruleset->ref_count = 1;
-	ruleset->ht_key.dev = dev;
-	ruleset->ht_key.ingress = ingress;
+	ruleset->ht_key.block = block;
 	ruleset->ht_key.chain_index = chain_index;
 	ruleset->ht_key.ops = ops;
 
@@ -174,8 +346,7 @@ mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
 		 * to be directly bound to device. The rest of the rulesets
 		 * are bound by "Goto action set".
 		 */
-		err = mlxsw_sp_acl_ruleset_bind(mlxsw_sp, ruleset,
-						dev, ingress);
+		err = mlxsw_sp_acl_ruleset_block_bind(mlxsw_sp, ruleset, block);
 		if (err)
 			goto err_ruleset_bind;
 	}
@@ -198,12 +369,12 @@ static void mlxsw_sp_acl_ruleset_destroy(struct mlxsw_sp *mlxsw_sp,
 					 struct mlxsw_sp_acl_ruleset *ruleset)
 {
 	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
+	struct mlxsw_sp_acl_block *block = ruleset->ht_key.block;
+	u32 chain_index = ruleset->ht_key.chain_index;
 	struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
 
-	if (!ruleset->ht_key.chain_index)
-		mlxsw_sp_acl_ruleset_unbind(mlxsw_sp, ruleset,
-					    ruleset->ht_key.dev,
-					    ruleset->ht_key.ingress);
+	if (!chain_index)
+		mlxsw_sp_acl_ruleset_block_unbind(mlxsw_sp, ruleset, block);
 	rhashtable_remove_fast(&acl->ruleset_ht, &ruleset->ht_node,
 			       mlxsw_sp_acl_ruleset_ht_params);
 	ops->ruleset_del(mlxsw_sp, ruleset->priv);
@@ -225,15 +396,14 @@ static void mlxsw_sp_acl_ruleset_ref_dec(struct mlxsw_sp *mlxsw_sp,
 }
 
 static struct mlxsw_sp_acl_ruleset *
-__mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp_acl *acl, struct net_device *dev,
-			      bool ingress, u32 chain_index,
+__mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp_acl *acl,
+			      struct mlxsw_sp_acl_block *block, u32 chain_index,
 			      const struct mlxsw_sp_acl_profile_ops *ops)
 {
 	struct mlxsw_sp_acl_ruleset_ht_key ht_key;
 
 	memset(&ht_key, 0, sizeof(ht_key));
-	ht_key.dev = dev;
-	ht_key.ingress = ingress;
+	ht_key.block = block;
 	ht_key.chain_index = chain_index;
 	ht_key.ops = ops;
 	return rhashtable_lookup_fast(&acl->ruleset_ht, &ht_key,
@@ -241,8 +411,8 @@ __mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp_acl *acl, struct net_device *dev,
 }
 
 struct mlxsw_sp_acl_ruleset *
-mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
-			    bool ingress, u32 chain_index,
+mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp,
+			    struct mlxsw_sp_acl_block *block, u32 chain_index,
 			    enum mlxsw_sp_acl_profile profile)
 {
 	const struct mlxsw_sp_acl_profile_ops *ops;
@@ -252,16 +422,15 @@ mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
 	ops = acl->ops->profile_ops(mlxsw_sp, profile);
 	if (!ops)
 		return ERR_PTR(-EINVAL);
-	ruleset = __mlxsw_sp_acl_ruleset_lookup(acl, dev, ingress,
-						chain_index, ops);
+	ruleset = __mlxsw_sp_acl_ruleset_lookup(acl, block, chain_index, ops);
 	if (!ruleset)
 		return ERR_PTR(-ENOENT);
 	return ruleset;
 }
 
 struct mlxsw_sp_acl_ruleset *
-mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
-			 bool ingress, u32 chain_index,
+mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp,
+			 struct mlxsw_sp_acl_block *block, u32 chain_index,
 			 enum mlxsw_sp_acl_profile profile)
 {
 	const struct mlxsw_sp_acl_profile_ops *ops;
@@ -272,14 +441,12 @@ mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
 	if (!ops)
 		return ERR_PTR(-EINVAL);
 
-	ruleset = __mlxsw_sp_acl_ruleset_lookup(acl, dev, ingress,
-						chain_index, ops);
+	ruleset = __mlxsw_sp_acl_ruleset_lookup(acl, block, chain_index, ops);
 	if (ruleset) {
 		mlxsw_sp_acl_ruleset_ref_inc(ruleset);
 		return ruleset;
 	}
-	return mlxsw_sp_acl_ruleset_create(mlxsw_sp, dev, ingress,
-					   chain_index, ops);
+	return mlxsw_sp_acl_ruleset_create(mlxsw_sp, block, chain_index, ops);
 }
 
 void mlxsw_sp_acl_ruleset_put(struct mlxsw_sp *mlxsw_sp,
@@ -528,6 +695,7 @@ int mlxsw_sp_acl_rule_add(struct mlxsw_sp *mlxsw_sp,
 		goto err_rhashtable_insert;
 
 	list_add_tail(&rule->list, &mlxsw_sp->acl->rules);
+	ruleset->ht_key.block->rule_count++;
 	return 0;
 
 err_rhashtable_insert:
@@ -541,6 +709,7 @@ void mlxsw_sp_acl_rule_del(struct mlxsw_sp *mlxsw_sp,
 	struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset;
 	const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
 
+	ruleset->ht_key.block->rule_count--;
 	list_del(&rule->list);
 	rhashtable_remove_fast(&ruleset->rule_ht, &rule->ht_node,
 			       mlxsw_sp_acl_rule_ht_params);

drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c

@@ -35,6 +35,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/netdevice.h>
+#include <net/net_namespace.h>
 #include <net/flow_dissector.h>
 #include <net/pkt_cls.h>
 #include <net/tc_act/tc_gact.h>
@@ -45,7 +46,7 @@
 #include "core_acl_flex_keys.h"
 
 static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
-					 struct net_device *dev, bool ingress,
+					 struct mlxsw_sp_acl_block *block,
 					 struct mlxsw_sp_acl_rule_info *rulei,
 					 struct tcf_exts *exts)
 {
@@ -80,8 +81,7 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
 			struct mlxsw_sp_acl_ruleset *ruleset;
 			u16 group_id;
 
-			ruleset = mlxsw_sp_acl_ruleset_lookup(mlxsw_sp, dev,
-							      ingress,
+			ruleset = mlxsw_sp_acl_ruleset_lookup(mlxsw_sp, block,
 							      chain_index,
 							      MLXSW_SP_ACL_PROFILE_FLOWER);
 			if (IS_ERR(ruleset))
@@ -104,9 +104,6 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
 				return err;
 
 			out_dev = tcf_mirred_dev(a);
-			if (out_dev == dev)
-				out_dev = NULL;
-
 			err = mlxsw_sp_acl_rulei_act_fwd(mlxsw_sp, rulei,
 							 out_dev);
 			if (err)
@@ -265,7 +262,7 @@ static int mlxsw_sp_flower_parse_ip(struct mlxsw_sp *mlxsw_sp,
 }
 
 static int mlxsw_sp_flower_parse(struct mlxsw_sp *mlxsw_sp,
-				 struct net_device *dev, bool ingress,
+				 struct mlxsw_sp_acl_block *block,
 				 struct mlxsw_sp_acl_rule_info *rulei,
 				 struct tc_cls_flower_offload *f)
 {
@@ -383,21 +380,19 @@ static int mlxsw_sp_flower_parse(struct mlxsw_sp *mlxsw_sp,
 	if (err)
 		return err;
 
-	return mlxsw_sp_flower_parse_actions(mlxsw_sp, dev, ingress,
-					     rulei, f->exts);
+	return mlxsw_sp_flower_parse_actions(mlxsw_sp, block, rulei, f->exts);
 }
 
-int mlxsw_sp_flower_replace(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
+int mlxsw_sp_flower_replace(struct mlxsw_sp *mlxsw_sp,
+			    struct mlxsw_sp_acl_block *block,
 			    struct tc_cls_flower_offload *f)
 {
-	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
-	struct net_device *dev = mlxsw_sp_port->dev;
 	struct mlxsw_sp_acl_rule_info *rulei;
 	struct mlxsw_sp_acl_ruleset *ruleset;
 	struct mlxsw_sp_acl_rule *rule;
 	int err;
 
-	ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, dev, ingress,
+	ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, block,
 					   f->common.chain_index,
 					   MLXSW_SP_ACL_PROFILE_FLOWER);
 	if (IS_ERR(ruleset))
@@ -410,7 +405,7 @@ int mlxsw_sp_flower_replace(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
 	}
 
 	rulei = mlxsw_sp_acl_rule_rulei(rule);
-	err = mlxsw_sp_flower_parse(mlxsw_sp, dev, ingress, rulei, f);
+	err = mlxsw_sp_flower_parse(mlxsw_sp, block, rulei, f);
 	if (err)
 		goto err_flower_parse;
 
@@ -423,7 +418,6 @@ int mlxsw_sp_flower_replace(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
 		goto err_rule_add;
 
 	mlxsw_sp_acl_ruleset_put(mlxsw_sp, ruleset);
-	mlxsw_sp_port->acl_rule_count++;
 	return 0;
 
 err_rule_add:
@@ -435,15 +429,15 @@ int mlxsw_sp_flower_replace(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
 	return err;
 }
 
-void mlxsw_sp_flower_destroy(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
+void mlxsw_sp_flower_destroy(struct mlxsw_sp *mlxsw_sp,
+			     struct mlxsw_sp_acl_block *block,
 			     struct tc_cls_flower_offload *f)
 {
-	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 	struct mlxsw_sp_acl_ruleset *ruleset;
 	struct mlxsw_sp_acl_rule *rule;
 
-	ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, mlxsw_sp_port->dev,
-					   ingress, f->common.chain_index,
+	ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, block,
+					   f->common.chain_index,
 					   MLXSW_SP_ACL_PROFILE_FLOWER);
 	if (IS_ERR(ruleset))
 		return;
@@ -455,13 +449,12 @@ void mlxsw_sp_flower_destroy(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
 	}
 
 	mlxsw_sp_acl_ruleset_put(mlxsw_sp, ruleset);
-	mlxsw_sp_port->acl_rule_count--;
 }
 
-int mlxsw_sp_flower_stats(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
+int mlxsw_sp_flower_stats(struct mlxsw_sp *mlxsw_sp,
+			  struct mlxsw_sp_acl_block *block,
 			  struct tc_cls_flower_offload *f)
 {
-	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
 	struct mlxsw_sp_acl_ruleset *ruleset;
 	struct mlxsw_sp_acl_rule *rule;
 	u64 packets;
@@ -469,8 +462,8 @@ int mlxsw_sp_flower_stats(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress,
 	u64 bytes;
 	int err;
 
-	ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, mlxsw_sp_port->dev,
-					   ingress, f->common.chain_index,
+	ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, block,
+					   f->common.chain_index,
 					   MLXSW_SP_ACL_PROFILE_FLOWER);
 	if (WARN_ON(IS_ERR(ruleset)))
 		return -EINVAL;