/*
 * Copyright (c) 2019 AVM GmbH <info@avm.de>.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
#pragma once
#include <linux/netdevice.h>

#ifdef CONFIG_GRX5
#define AVM_QOS_PORT_NUM  16
#define AVM_QOS_TC_NUM 16
#else
#error "please define the appropriate HW resource limits"
#endif

struct avm_qos_stats {
	bool valid_bytes;
	bool valid_packets;
	uint64_t bytes;
	uint64_t packets;
};

struct avm_qos_priv;

bool avm_qos_netdev_supported(struct net_device *netdev);

int avm_qos_add_hw_queue(struct net_device *netdev,
                         uint32_t classid,
                         uint32_t priority,
                         uint32_t weight);

int avm_qos_set_queue_len(struct net_device *netdev,
                          uint32_t classid,
                          uint32_t len);

int avm_qos_remove_hw_queue(struct net_device *netdev,
                            uint32_t classid,
                            uint32_t priority,
                            uint32_t weight);

int avm_qos_flush_hw_queues(struct net_device *netdev);
int avm_qos_reset_prio_shaper(struct net_device *netdev, uint32_t classid);
int avm_qos_reset_port_shaper(struct net_device *netdev);
int avm_qos_set_port_shaper(struct net_device *netdev,
                            uint32_t pir,
                            uint32_t cir,
                            uint32_t pbs,
                            uint32_t cbs,
                            int8_t overhead,
                            bool init,
                            struct avm_qos_priv *priv);
int avm_qos_set_prio_shaper(struct net_device *netdev,
                            uint32_t classid,
                            uint32_t pir,
                            uint32_t cir,
                            uint32_t pbs,
                            uint32_t cbs,
                            bool init,
                            struct avm_qos_priv *priv);
void avm_qos_set_default_queue(struct net_device *netdev, uint32_t classid);

int avm_qos_get_prio_stats(struct net_device *netdev, uint32_t classid, struct avm_qos_stats *stats);

struct avm_qos_priv *avm_qos_alloc(void);
void avm_qos_free(struct avm_qos_priv *hw_priv);