linux/drivers/net/ethernet/marvell/prestera/prestera_acl.h

/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2020-2021 Marvell International Ltd. All rights reserved. */

#ifndef _PRESTERA_ACL_H_
#define _PRESTERA_ACL_H_

#include <linux/types.h>
#include "prestera_counter.h"

#define PRESTERA_ACL_KEYMASK_PCL_ID …
#define PRESTERA_ACL_KEYMASK_PCL_ID_USER …
#define PRESTERA_ACL_KEYMASK_PCL_ID_CHAIN …
#define PRESTERA_ACL_CHAIN_MASK …

#define PRESTERA_ACL_PCL_ID_MAKE(uid, chain_id) …

#define rule_match_set_n(match_p, type, val_p, size) …
#define rule_match_set(match_p, type, val) …

enum prestera_acl_match_type { … };

enum prestera_acl_rule_action { … };

enum { … };

struct prestera_acl_match { … };

struct prestera_acl_action_jump { … };

struct prestera_acl_action_police { … };

struct prestera_acl_action_count { … };

struct prestera_acl_rule_entry_key { … };

struct prestera_acl_hw_action_info { … };

/* This struct (arg) used only to be passed as parameter for
 * acl_rule_entry_create. Must be flat. Can contain object keys, which will be
 * resolved to object links, before saving to acl_rule_entry struct
 */
struct prestera_acl_rule_entry_arg { … };

struct prestera_acl_rule { … };

struct prestera_acl_iface { … };

struct prestera_acl;
struct prestera_switch;
struct prestera_flow_block;

int prestera_acl_init(struct prestera_switch *sw);
void prestera_acl_fini(struct prestera_switch *sw);

struct prestera_acl_rule *
prestera_acl_rule_create(struct prestera_acl_ruleset *ruleset,
			 unsigned long cookie, u32 chain_index);
void prestera_acl_rule_priority_set(struct prestera_acl_rule *rule,
				    u32 priority);
void prestera_acl_rule_destroy(struct prestera_acl_rule *rule);
struct prestera_acl_rule *
prestera_acl_rule_lookup(struct prestera_acl_ruleset *ruleset,
			 unsigned long cookie);
int prestera_acl_rule_add(struct prestera_switch *sw,
			  struct prestera_acl_rule *rule);
void prestera_acl_rule_del(struct prestera_switch *sw,
			   struct prestera_acl_rule *rule);
int prestera_acl_rule_get_stats(struct prestera_acl *acl,
				struct prestera_acl_rule *rule,
				u64 *packets, u64 *bytes, u64 *last_use);
struct prestera_acl_rule_entry *
prestera_acl_rule_entry_find(struct prestera_acl *acl,
			     struct prestera_acl_rule_entry_key *key);
void prestera_acl_rule_entry_destroy(struct prestera_acl *acl,
				     struct prestera_acl_rule_entry *e);
struct prestera_acl_rule_entry *
prestera_acl_rule_entry_create(struct prestera_acl *acl,
			       struct prestera_acl_rule_entry_key *key,
			       struct prestera_acl_rule_entry_arg *arg);
struct prestera_acl_ruleset *
prestera_acl_ruleset_get(struct prestera_acl *acl,
			 struct prestera_flow_block *block,
			 u32 chain_index);
struct prestera_acl_ruleset *
prestera_acl_ruleset_lookup(struct prestera_acl *acl,
			    struct prestera_flow_block *block,
			    u32 chain_index);
int prestera_acl_ruleset_keymask_set(struct prestera_acl_ruleset *ruleset,
				     void *keymask);
bool prestera_acl_ruleset_is_offload(struct prestera_acl_ruleset *ruleset);
int prestera_acl_ruleset_offload(struct prestera_acl_ruleset *ruleset);
void prestera_acl_ruleset_put(struct prestera_acl_ruleset *ruleset);
int prestera_acl_ruleset_bind(struct prestera_acl_ruleset *ruleset,
			      struct prestera_port *port);
int prestera_acl_ruleset_unbind(struct prestera_acl_ruleset *ruleset,
				struct prestera_port *port);
u32 prestera_acl_ruleset_index_get(const struct prestera_acl_ruleset *ruleset);
void prestera_acl_ruleset_prio_get(struct prestera_acl_ruleset *ruleset,
				   u32 *prio_min, u32 *prio_max);
void
prestera_acl_rule_keymask_pcl_id_set(struct prestera_acl_rule *rule,
				     u16 pcl_id);

int prestera_acl_vtcam_id_get(struct prestera_acl *acl, u8 lookup, u8 dir,
			      void *keymask, u32 *vtcam_id);
int prestera_acl_vtcam_id_put(struct prestera_acl *acl, u32 vtcam_id);
int prestera_acl_chain_to_client(u32 chain_index, bool ingress, u32 *client);

#endif /* _PRESTERA_ACL_H_ */