linux/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c

/*
 * Copyright (c) 2011 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/dcbnl.h>
#include <linux/math64.h>

#include "mlx4_en.h"
#include "fw_qos.h"

enum { … };

/* Definitions for QCN
 */

struct mlx4_congestion_control_mb_prio_802_1_qau_params { … };

struct mlx4_congestion_control_mb_prio_802_1_qau_statistics { … };

static u8 mlx4_en_dcbnl_getcap(struct net_device *dev, int capid, u8 *cap)
{ … }

static u8 mlx4_en_dcbnl_getpfcstate(struct net_device *netdev)
{ … }

static void mlx4_en_dcbnl_setpfcstate(struct net_device *netdev, u8 state)
{ … }

static void mlx4_en_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
				      u8 *setting)
{ … }

static void mlx4_en_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
				      u8 setting)
{ … }

static int mlx4_en_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num)
{ … }

static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev)
{ … }

static u8 mlx4_en_dcbnl_get_state(struct net_device *dev)
{ … }

static u8 mlx4_en_dcbnl_set_state(struct net_device *dev, u8 state)
{ … }

/* On success returns a non-zero 802.1p user priority bitmap
 * otherwise returns 0 as the invalid user priority bitmap to
 * indicate an error.
 */
static int mlx4_en_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id)
{ … }

static int mlx4_en_dcbnl_setapp(struct net_device *netdev, u8 idtype,
				u16 id, u8 up)
{ … }

static int mlx4_en_dcbnl_ieee_getets(struct net_device *dev,
				   struct ieee_ets *ets)
{ … }

static int mlx4_en_ets_validate(struct mlx4_en_priv *priv, struct ieee_ets *ets)
{ … }

static int mlx4_en_config_port_scheduler(struct mlx4_en_priv *priv,
		struct ieee_ets *ets, u16 *ratelimit)
{ … }

static int
mlx4_en_dcbnl_ieee_setets(struct net_device *dev, struct ieee_ets *ets)
{ … }

static int mlx4_en_dcbnl_ieee_getpfc(struct net_device *dev,
		struct ieee_pfc *pfc)
{ … }

static int mlx4_en_dcbnl_ieee_setpfc(struct net_device *dev,
		struct ieee_pfc *pfc)
{ … }

static u8 mlx4_en_dcbnl_getdcbx(struct net_device *dev)
{ … }

static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode)
{ … }

#define MLX4_RATELIMIT_UNITS_IN_KB …
static int mlx4_en_dcbnl_ieee_getmaxrate(struct net_device *dev,
				   struct ieee_maxrate *maxrate)
{ … }

static int mlx4_en_dcbnl_ieee_setmaxrate(struct net_device *dev,
		struct ieee_maxrate *maxrate)
{ … }

#define RPG_ENABLE_BIT …
#define CN_TAG_BIT …

static int mlx4_en_dcbnl_ieee_getqcn(struct net_device *dev,
				     struct ieee_qcn *qcn)
{ … }

static int mlx4_en_dcbnl_ieee_setqcn(struct net_device *dev,
				     struct ieee_qcn *qcn)
{ … }

static int mlx4_en_dcbnl_ieee_getqcnstats(struct net_device *dev,
					  struct ieee_qcn_stats *qcn_stats)
{ … }

const struct dcbnl_rtnl_ops mlx4_en_dcbnl_ops = …;

const struct dcbnl_rtnl_ops mlx4_en_dcbnl_pfc_ops = …;