mlxsw: spectrum_acl: Implement TC block sharing
authorJiri Pirko <jiri@mellanox.com>
Wed, 17 Jan 2018 10:46:56 +0000 (11:46 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 17 Jan 2018 19:53:58 +0000 (14:53 -0500)
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
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c

index ed92e04..bbe4891 100644 (file)
@@ -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,
-                                     void *cb_priv, bool ingress)
+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;
 
-       if (!tc_can_offload(mlxsw_sp_port->dev))
-               return -EOPNOTSUPP;
-
        switch (type) {
        case TC_SETUP_CLSMATCHALL:
+               if (!tc_can_offload(mlxsw_sp_port->dev))
+                       return -EOPNOTSUPP;
+
                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,
-                                        void *type_data, void *cb_priv)
+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(type, type_data, cb_priv, false);
+       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)
+{
+       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,
-                                            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:
@@ -1842,10 +1956,18 @@ 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))) {
-               netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
-               return -EINVAL;
+       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;
 }
index a21613d..6f91532 100644 (file)
@@ -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 */
index 7fb41a4..f98bca9 100644 (file)
@@ -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);
index 42e8a36..cf7b97d 100644 (file)
@@ -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 @@ err_rule_create:
        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;