linux/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c

/*
 * Copyright (c) 2017, Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/etherdevice.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/mlx5_ifc.h>
#include <linux/mlx5/mpfs.h>
#include <linux/mlx5/eswitch.h>
#include "mlx5_core.h"
#include "lib/mpfs.h"

/* HW L2 Table (MPFS) management */
static int set_l2table_entry_cmd(struct mlx5_core_dev *dev, u32 index, u8 *mac)
{ … }

static int del_l2table_entry_cmd(struct mlx5_core_dev *dev, u32 index)
{ … }

/* UC L2 table hash node */
struct l2table_node { … };

struct mlx5_mpfs { … };

static int alloc_l2table_index(struct mlx5_mpfs *l2table, u32 *ix)
{ … }

static void free_l2table_index(struct mlx5_mpfs *l2table, u32 ix)
{ … }

int mlx5_mpfs_init(struct mlx5_core_dev *dev)
{ … }

void mlx5_mpfs_cleanup(struct mlx5_core_dev *dev)
{ … }

int mlx5_mpfs_add_mac(struct mlx5_core_dev *dev, u8 *mac)
{ … }
EXPORT_SYMBOL(…);

int mlx5_mpfs_del_mac(struct mlx5_core_dev *dev, u8 *mac)
{ … }
EXPORT_SYMBOL(…);