spectrum_acl.c | Explore in Territory

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/string.h>
#include <linux/rhashtable.h>
#include <linux/netdevice.h>
#include <linux/mutex.h>
#include <linux/refcount.h>
#include <net/net_namespace.h>
#include <net/tc_act/tc_vlan.h>

#include "reg.h"
#include "core.h"
#include "resources.h"
#include "spectrum.h"
#include "core_acl_flex_keys.h"
#include "core_acl_flex_actions.h"
#include "spectrum_acl_tcam.h"

struct mlxsw_sp_acl { … };

struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl)
{ … }

struct mlxsw_sp_acl_tcam *mlxsw_sp_acl_to_tcam(struct mlxsw_sp_acl *acl)
{ … }

struct mlxsw_sp_acl_ruleset_ht_key { … };

struct mlxsw_sp_acl_ruleset { … };

struct mlxsw_sp_acl_rule { … };

static const struct rhashtable_params mlxsw_sp_acl_ruleset_ht_params = …;

static const struct rhashtable_params mlxsw_sp_acl_rule_ht_params = …;

struct mlxsw_sp_fid *mlxsw_sp_acl_dummy_fid(struct mlxsw_sp *mlxsw_sp)
{ … }

static bool
mlxsw_sp_acl_ruleset_is_singular(const struct mlxsw_sp_acl_ruleset *ruleset)
{ … }

int mlxsw_sp_acl_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
			      struct mlxsw_sp_flow_block *block,
			      struct mlxsw_sp_flow_block_binding *binding)
{ … }

void mlxsw_sp_acl_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
				 struct mlxsw_sp_flow_block *block,
				 struct mlxsw_sp_flow_block_binding *binding)
{ … }

static int
mlxsw_sp_acl_ruleset_block_bind(struct mlxsw_sp *mlxsw_sp,
				struct mlxsw_sp_acl_ruleset *ruleset,
				struct mlxsw_sp_flow_block *block)
{ … }

static void
mlxsw_sp_acl_ruleset_block_unbind(struct mlxsw_sp *mlxsw_sp,
				  struct mlxsw_sp_acl_ruleset *ruleset,
				  struct mlxsw_sp_flow_block *block)
{ … }

static struct mlxsw_sp_acl_ruleset *
mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp,
			    struct mlxsw_sp_flow_block *block, u32 chain_index,
			    const struct mlxsw_sp_acl_profile_ops *ops,
			    struct mlxsw_afk_element_usage *tmplt_elusage)
{ … }

static void mlxsw_sp_acl_ruleset_destroy(struct mlxsw_sp *mlxsw_sp,
					 struct mlxsw_sp_acl_ruleset *ruleset)
{ … }

static void mlxsw_sp_acl_ruleset_ref_inc(struct mlxsw_sp_acl_ruleset *ruleset)
{ … }

static void mlxsw_sp_acl_ruleset_ref_dec(struct mlxsw_sp *mlxsw_sp,
					 struct mlxsw_sp_acl_ruleset *ruleset)
{ … }

static struct mlxsw_sp_acl_ruleset *
__mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp_acl *acl,
			      struct mlxsw_sp_flow_block *block, u32 chain_index,
			      const struct mlxsw_sp_acl_profile_ops *ops)
{ … }

struct mlxsw_sp_acl_ruleset *
mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp,
			    struct mlxsw_sp_flow_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 mlxsw_sp_flow_block *block, u32 chain_index,
			 enum mlxsw_sp_acl_profile profile,
			 struct mlxsw_afk_element_usage *tmplt_elusage)
{ … }

void mlxsw_sp_acl_ruleset_put(struct mlxsw_sp *mlxsw_sp,
			      struct mlxsw_sp_acl_ruleset *ruleset)
{ … }

u16 mlxsw_sp_acl_ruleset_group_id(struct mlxsw_sp_acl_ruleset *ruleset)
{ … }

void mlxsw_sp_acl_ruleset_prio_get(struct mlxsw_sp_acl_ruleset *ruleset,
				   unsigned int *p_min_prio,
				   unsigned int *p_max_prio)
{ … }

struct mlxsw_sp_acl_rule_info *
mlxsw_sp_acl_rulei_create(struct mlxsw_sp_acl *acl,
			  struct mlxsw_afa_block *afa_block)
{ … }

void mlxsw_sp_acl_rulei_destroy(struct mlxsw_sp *mlxsw_sp,
				struct mlxsw_sp_acl_rule_info *rulei)
{ … }

int mlxsw_sp_acl_rulei_commit(struct mlxsw_sp_acl_rule_info *rulei)
{ … }

void mlxsw_sp_acl_rulei_priority(struct mlxsw_sp_acl_rule_info *rulei,
				 unsigned int priority)
{ … }

void mlxsw_sp_acl_rulei_keymask_u32(struct mlxsw_sp_acl_rule_info *rulei,
				    enum mlxsw_afk_element element,
				    u32 key_value, u32 mask_value)
{ … }

void mlxsw_sp_acl_rulei_keymask_buf(struct mlxsw_sp_acl_rule_info *rulei,
				    enum mlxsw_afk_element element,
				    const char *key_value,
				    const char *mask_value, unsigned int len)
{ … }

int mlxsw_sp_acl_rulei_act_continue(struct mlxsw_sp_acl_rule_info *rulei)
{ … }

int mlxsw_sp_acl_rulei_act_jump(struct mlxsw_sp_acl_rule_info *rulei,
				u16 group_id)
{ … }

int mlxsw_sp_acl_rulei_act_terminate(struct mlxsw_sp_acl_rule_info *rulei)
{ … }

int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei,
				bool ingress,
				const struct flow_action_cookie *fa_cookie,
				struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_trap(struct mlxsw_sp_acl_rule_info *rulei)
{ … }

int mlxsw_sp_acl_rulei_act_fwd(struct mlxsw_sp *mlxsw_sp,
			       struct mlxsw_sp_acl_rule_info *rulei,
			       struct net_device *out_dev,
			       struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_mirror(struct mlxsw_sp *mlxsw_sp,
				  struct mlxsw_sp_acl_rule_info *rulei,
				  struct mlxsw_sp_flow_block *block,
				  struct net_device *out_dev,
				  struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_vlan(struct mlxsw_sp *mlxsw_sp,
				struct mlxsw_sp_acl_rule_info *rulei,
				u32 action, u16 vid, u16 proto, u8 prio,
				struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_priority(struct mlxsw_sp *mlxsw_sp,
				    struct mlxsw_sp_acl_rule_info *rulei,
				    u32 prio, struct netlink_ext_ack *extack)
{ … }

struct mlxsw_sp_acl_mangle_action { … };

#define MLXSW_SP_ACL_MANGLE_ACTION(_htype, _offset, _mask, _shift, _field) …

#define MLXSW_SP_ACL_MANGLE_ACTION_IP4(_offset, _mask, _shift, _field) …

#define MLXSW_SP_ACL_MANGLE_ACTION_IP6(_offset, _mask, _shift, _field) …

#define MLXSW_SP_ACL_MANGLE_ACTION_TCP(_offset, _mask, _shift, _field) …

#define MLXSW_SP_ACL_MANGLE_ACTION_UDP(_offset, _mask, _shift, _field) …

static struct mlxsw_sp_acl_mangle_action mlxsw_sp_acl_mangle_actions[] = …;

static int
mlxsw_sp_acl_rulei_act_mangle_field(struct mlxsw_sp *mlxsw_sp,
				    struct mlxsw_sp_acl_rule_info *rulei,
				    struct mlxsw_sp_acl_mangle_action *mact,
				    u32 val, struct netlink_ext_ack *extack)
{ … }

static int mlxsw_sp1_acl_rulei_act_mangle_field(struct mlxsw_sp *mlxsw_sp,
						struct mlxsw_sp_acl_rule_info *rulei,
						struct mlxsw_sp_acl_mangle_action *mact,
						u32 val, struct netlink_ext_ack *extack)
{ … }

static int
mlxsw_sp2_acl_rulei_act_mangle_field_ip_odd(struct mlxsw_sp_acl_rule_info *rulei,
					    enum mlxsw_sp_acl_mangle_field field,
					    u32 val, struct netlink_ext_ack *extack)
{ … }

static int mlxsw_sp2_acl_rulei_act_mangle_field(struct mlxsw_sp *mlxsw_sp,
						struct mlxsw_sp_acl_rule_info *rulei,
						struct mlxsw_sp_acl_mangle_action *mact,
						u32 val, struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_mangle(struct mlxsw_sp *mlxsw_sp,
				  struct mlxsw_sp_acl_rule_info *rulei,
				  enum flow_action_mangle_base htype,
				  u32 offset, u32 mask, u32 val,
				  struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_police(struct mlxsw_sp *mlxsw_sp,
				  struct mlxsw_sp_acl_rule_info *rulei,
				  u32 index, u64 rate_bytes_ps,
				  u32 burst, struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_count(struct mlxsw_sp *mlxsw_sp,
				 struct mlxsw_sp_acl_rule_info *rulei,
				 struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_fid_set(struct mlxsw_sp *mlxsw_sp,
				   struct mlxsw_sp_acl_rule_info *rulei,
				   u16 fid, struct netlink_ext_ack *extack)
{ … }

int mlxsw_sp_acl_rulei_act_ignore(struct mlxsw_sp *mlxsw_sp,
				  struct mlxsw_sp_acl_rule_info *rulei,
				  bool disable_learning, bool disable_security)
{ … }

int mlxsw_sp_acl_rulei_act_sample(struct mlxsw_sp *mlxsw_sp,
				  struct mlxsw_sp_acl_rule_info *rulei,
				  struct mlxsw_sp_flow_block *block,
				  struct psample_group *psample_group, u32 rate,
				  u32 trunc_size, bool truncate,
				  struct netlink_ext_ack *extack)
{ … }

struct mlxsw_sp_acl_rule *
mlxsw_sp_acl_rule_create(struct mlxsw_sp *mlxsw_sp,
			 struct mlxsw_sp_acl_ruleset *ruleset,
			 unsigned long cookie,
			 struct mlxsw_afa_block *afa_block,
			 struct netlink_ext_ack *extack)
{ … }

void mlxsw_sp_acl_rule_destroy(struct mlxsw_sp *mlxsw_sp,
			       struct mlxsw_sp_acl_rule *rule)
{ … }

int mlxsw_sp_acl_rule_add(struct mlxsw_sp *mlxsw_sp,
			  struct mlxsw_sp_acl_rule *rule)
{ … }

void mlxsw_sp_acl_rule_del(struct mlxsw_sp *mlxsw_sp,
			   struct mlxsw_sp_acl_rule *rule)
{ … }

int mlxsw_sp_acl_rule_action_replace(struct mlxsw_sp *mlxsw_sp,
				     struct mlxsw_sp_acl_rule *rule,
				     struct mlxsw_afa_block *afa_block)
{ … }

struct mlxsw_sp_acl_rule *
mlxsw_sp_acl_rule_lookup(struct mlxsw_sp *mlxsw_sp,
			 struct mlxsw_sp_acl_ruleset *ruleset,
			 unsigned long cookie)
{ … }

struct mlxsw_sp_acl_rule_info *
mlxsw_sp_acl_rule_rulei(struct mlxsw_sp_acl_rule *rule)
{ … }

static int mlxsw_sp_acl_rule_activity_update(struct mlxsw_sp *mlxsw_sp,
					     struct mlxsw_sp_acl_rule *rule)
{ … }

static int mlxsw_sp_acl_rules_activity_update(struct mlxsw_sp_acl *acl)
{ … }

static void mlxsw_sp_acl_rule_activity_work_schedule(struct mlxsw_sp_acl *acl)
{ … }

static void mlxsw_sp_acl_rule_activity_update_work(struct work_struct *work)
{ … }

int mlxsw_sp_acl_rule_get_stats(struct mlxsw_sp *mlxsw_sp,
				struct mlxsw_sp_acl_rule *rule,
				u64 *packets, u64 *bytes, u64 *drops,
				u64 *last_use,
				enum flow_action_hw_stats *used_hw_stats)

{ … }

int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp)
{ … }

void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp)
{ … }

struct mlxsw_sp_acl_rulei_ops mlxsw_sp1_acl_rulei_ops = …;

struct mlxsw_sp_acl_rulei_ops mlxsw_sp2_acl_rulei_ops = …;
linux/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
