linux/drivers/net/ethernet/mellanox/mlxsw/spectrum_policer.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2020 Mellanox Technologies. All rights reserved */

#include <linux/idr.h>
#include <linux/log2.h>
#include <linux/mutex.h>
#include <linux/netlink.h>
#include <net/devlink.h>

#include "spectrum.h"

struct mlxsw_sp_policer_family { … };

struct mlxsw_sp_policer { … };

struct mlxsw_sp_policer_family_ops { … };

struct mlxsw_sp_policer_core { … };

struct mlxsw_sp_policer_core_ops { … };

static u64 mlxsw_sp_policer_rate_bytes_ps_kbps(u64 rate_bytes_ps)
{ … }

static u8 mlxsw_sp_policer_burst_bytes_hw_units(u64 burst_bytes)
{ … }

static u64 mlxsw_sp_policer_single_rate_occ_get(void *priv)
{ … }

static int
mlxsw_sp_policer_single_rate_family_init(struct mlxsw_sp_policer_family *family)
{ … }

static void
mlxsw_sp_policer_single_rate_family_fini(struct mlxsw_sp_policer_family *family)
{ … }

static int
mlxsw_sp_policer_single_rate_index_alloc(struct mlxsw_sp_policer_family *family,
					 struct mlxsw_sp_policer *policer)
{ … }

static struct mlxsw_sp_policer *
mlxsw_sp_policer_single_rate_index_free(struct mlxsw_sp_policer_family *family,
					u16 policer_index)
{ … }

static int
mlxsw_sp_policer_single_rate_init(struct mlxsw_sp_policer_family *family,
				  const struct mlxsw_sp_policer *policer)
{ … }

static int
mlxsw_sp_policer_single_rate_params_check(const struct mlxsw_sp_policer_family *family,
					  const struct mlxsw_sp_policer_params *params,
					  struct netlink_ext_ack *extack)
{ … }

static const struct mlxsw_sp_policer_family_ops mlxsw_sp_policer_single_rate_ops = …;

static const struct mlxsw_sp_policer_family mlxsw_sp_policer_single_rate_family = …;

static const struct mlxsw_sp_policer_family *mlxsw_sp_policer_family_arr[] = …;

int mlxsw_sp_policer_add(struct mlxsw_sp *mlxsw_sp,
			 enum mlxsw_sp_policer_type type,
			 const struct mlxsw_sp_policer_params *params,
			 struct netlink_ext_ack *extack, u16 *p_policer_index)
{ … }

void mlxsw_sp_policer_del(struct mlxsw_sp *mlxsw_sp,
			  enum mlxsw_sp_policer_type type, u16 policer_index)
{ … }

int mlxsw_sp_policer_drops_counter_get(struct mlxsw_sp *mlxsw_sp,
				       enum mlxsw_sp_policer_type type,
				       u16 policer_index, u64 *p_drops)
{ … }

static int
mlxsw_sp_policer_family_register(struct mlxsw_sp *mlxsw_sp,
				 const struct mlxsw_sp_policer_family *tmpl)
{ … }

static void
mlxsw_sp_policer_family_unregister(struct mlxsw_sp *mlxsw_sp,
				   struct mlxsw_sp_policer_family *family)
{ … }

int mlxsw_sp_policers_init(struct mlxsw_sp *mlxsw_sp)
{ … }

void mlxsw_sp_policers_fini(struct mlxsw_sp *mlxsw_sp)
{ … }

int mlxsw_sp_policer_resources_register(struct mlxsw_core *mlxsw_core)
{ … }

static int
mlxsw_sp1_policer_core_init(struct mlxsw_sp_policer_core *policer_core)
{ … }

const struct mlxsw_sp_policer_core_ops mlxsw_sp1_policer_core_ops = …;

static int
mlxsw_sp2_policer_core_init(struct mlxsw_sp_policer_core *policer_core)
{ … }

const struct mlxsw_sp_policer_core_ops mlxsw_sp2_policer_core_ops = …;