drivers/net/ethernet/mellanox/mlxsw/spectrum.h - kernel/msm-4.9 - Gitiles

 /*
  * drivers/net/ethernet/mellanox/mlxsw/spectrum.h
  * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
  * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
  * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
  * Copyright (c) 2015 Elad Raz <eladr@mellanox.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. 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.
  * 3. Neither the names of the copyright holders nor the names of its
  *    contributors may be used to endorse or promote products derived from
  *    this software without specific prior written permission.
  *
  * Alternatively, this software may be distributed under the terms of the
  * GNU General Public License ("GPL") version 2 as published by the Free
  * Software Foundation.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */

 #ifndef _MLXSW_SPECTRUM_H
 #define _MLXSW_SPECTRUM_H

 #include <linux/types.h>
 #include <linux/netdevice.h>
 #include <linux/bitops.h>
 #include <linux/if_vlan.h>
 #include <linux/list.h>
 #include <linux/dcbnl.h>
 #include <linux/in6.h>
 #include <net/switchdev.h>

 #include "port.h"
 #include "core.h"

 #define MLXSW_SP_VFID_BASE VLAN_N_VID
 #define MLXSW_SP_VFID_PORT_MAX 512	/* Non-bridged VLAN interfaces */
 #define MLXSW_SP_VFID_BR_MAX 6144	/* Bridged VLAN interfaces */
 #define MLXSW_SP_VFID_MAX (MLXSW_SP_VFID_PORT_MAX + MLXSW_SP_VFID_BR_MAX)

 #define MLXSW_SP_LAG_MAX 64
 #define MLXSW_SP_PORT_PER_LAG_MAX 16

 #define MLXSW_SP_MID_MAX 7000

 #define MLXSW_SP_PORTS_PER_CLUSTER_MAX 4

 #define MLXSW_SP_LPM_TREE_MIN 2 /* trees 0 and 1 are reserved */
 #define MLXSW_SP_LPM_TREE_MAX 22
 #define MLXSW_SP_LPM_TREE_COUNT (MLXSW_SP_LPM_TREE_MAX - MLXSW_SP_LPM_TREE_MIN)

 #define MLXSW_SP_VIRTUAL_ROUTER_MAX 256

 #define MLXSW_SP_PORT_BASE_SPEED 25000	/* Mb/s */

 #define MLXSW_SP_BYTES_PER_CELL 96

 #define MLXSW_SP_BYTES_TO_CELLS(b) DIV_ROUND_UP(b, MLXSW_SP_BYTES_PER_CELL)
 #define MLXSW_SP_CELLS_TO_BYTES(c) (c * MLXSW_SP_BYTES_PER_CELL)

 /* Maximum delay buffer needed in case of PAUSE frames, in cells.
  * Assumes 100m cable and maximum MTU.
  */
 #define MLXSW_SP_PAUSE_DELAY 612

 #define MLXSW_SP_CELL_FACTOR 2	/* 2 * cell_size / (IPG + cell_size + 1) */

 #define MLXSW_SP_RIF_MAX 800

 static inline u16 mlxsw_sp_pfc_delay_get(int mtu, u16 delay)
 {
 	delay = MLXSW_SP_BYTES_TO_CELLS(DIV_ROUND_UP(delay, BITS_PER_BYTE));
 	return MLXSW_SP_CELL_FACTOR * delay + MLXSW_SP_BYTES_TO_CELLS(mtu);
 }

 struct mlxsw_sp_port;

 struct mlxsw_sp_upper {
 	struct net_device *dev;
 	unsigned int ref_count;
 };

 struct mlxsw_sp_fid {
 	void (*leave)(struct mlxsw_sp_port *mlxsw_sp_vport);
 	struct list_head list;
 	unsigned int ref_count;
 	struct net_device *dev;
 	u16 fid;
 	u16 vid;
 };

 struct mlxsw_sp_rif {
 	struct net_device *dev;
 	struct mlxsw_sp_fid *f;
 	unsigned char addr[ETH_ALEN];
 	int mtu;
 	u16 rif;
 };

 struct mlxsw_sp_mid {
 	struct list_head list;
 	unsigned char addr[ETH_ALEN];
 	u16 vid;
 	u16 mid;
 	unsigned int ref_count;
 };

 static inline u16 mlxsw_sp_vfid_to_fid(u16 vfid)
 {
 	return MLXSW_SP_VFID_BASE + vfid;
 }

 static inline u16 mlxsw_sp_fid_to_vfid(u16 fid)
 {
 	return fid - MLXSW_SP_VFID_BASE;
 }

 static inline bool mlxsw_sp_fid_is_vfid(u16 fid)
 {
 	return fid >= MLXSW_SP_VFID_BASE;
 }

 struct mlxsw_sp_sb_pr {
 	enum mlxsw_reg_sbpr_mode mode;
 	u32 size;
 };

 struct mlxsw_cp_sb_occ {
 	u32 cur;
 	u32 max;
 };

 struct mlxsw_sp_sb_cm {
 	u32 min_buff;
 	u32 max_buff;
 	u8 pool;
 	struct mlxsw_cp_sb_occ occ;
 };

 struct mlxsw_sp_sb_pm {
 	u32 min_buff;
 	u32 max_buff;
 	struct mlxsw_cp_sb_occ occ;
 };

 #define MLXSW_SP_SB_POOL_COUNT	4
 #define MLXSW_SP_SB_TC_COUNT	8

 struct mlxsw_sp_sb {
 	struct mlxsw_sp_sb_pr prs[2][MLXSW_SP_SB_POOL_COUNT];
 	struct {
 		struct mlxsw_sp_sb_cm cms[2][MLXSW_SP_SB_TC_COUNT];
 		struct mlxsw_sp_sb_pm pms[2][MLXSW_SP_SB_POOL_COUNT];
 	} ports[MLXSW_PORT_MAX_PORTS];
 };

 #define MLXSW_SP_PREFIX_COUNT (sizeof(struct in6_addr) * BITS_PER_BYTE)

 struct mlxsw_sp_prefix_usage {
 	DECLARE_BITMAP(b, MLXSW_SP_PREFIX_COUNT);
 };

 enum mlxsw_sp_l3proto {
 	MLXSW_SP_L3_PROTO_IPV4,
 	MLXSW_SP_L3_PROTO_IPV6,
 };

 struct mlxsw_sp_lpm_tree {
 	u8 id; /* tree ID */
 	unsigned int ref_count;
 	enum mlxsw_sp_l3proto proto;
 	struct mlxsw_sp_prefix_usage prefix_usage;
 };

 struct mlxsw_sp_fib;

 struct mlxsw_sp_vr {
 	u16 id; /* virtual router ID */
 	bool used;
 	enum mlxsw_sp_l3proto proto;
 	u32 tb_id; /* kernel fib table id */
 	struct mlxsw_sp_lpm_tree *lpm_tree;
 	struct mlxsw_sp_fib *fib;
 };

 struct mlxsw_sp_router {
 	struct mlxsw_sp_lpm_tree lpm_trees[MLXSW_SP_LPM_TREE_COUNT];
 	struct mlxsw_sp_vr vrs[MLXSW_SP_VIRTUAL_ROUTER_MAX];
 };

 struct mlxsw_sp {
 	struct {
 		struct list_head list;
 		DECLARE_BITMAP(mapped, MLXSW_SP_VFID_PORT_MAX);
 	} port_vfids;
 	struct {
 		struct list_head list;
 		DECLARE_BITMAP(mapped, MLXSW_SP_VFID_BR_MAX);
 	} br_vfids;
 	struct {
 		struct list_head list;
 		DECLARE_BITMAP(mapped, MLXSW_SP_MID_MAX);
 	} br_mids;
 	struct list_head fids;	/* VLAN-aware bridge FIDs */
 	struct mlxsw_sp_rif *rifs[MLXSW_SP_RIF_MAX];
 	struct mlxsw_sp_port **ports;
 	struct mlxsw_core *core;
 	const struct mlxsw_bus_info *bus_info;
 	unsigned char base_mac[ETH_ALEN];
 	struct {
 		struct delayed_work dw;
 #define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100
 		unsigned int interval; /* ms */
 	} fdb_notify;
 #define MLXSW_SP_MIN_AGEING_TIME 10
 #define MLXSW_SP_MAX_AGEING_TIME 1000000
 #define MLXSW_SP_DEFAULT_AGEING_TIME 300
 	u32 ageing_time;
 	struct mlxsw_sp_upper master_bridge;
 	struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX];
 	u8 port_to_module[MLXSW_PORT_MAX_PORTS];
 	struct mlxsw_sp_sb sb;
 	struct mlxsw_sp_router router;
 };

 static inline struct mlxsw_sp_upper *
 mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
 {
 	return &mlxsw_sp->lags[lag_id];
 }

 struct mlxsw_sp_port_pcpu_stats {
 	u64			rx_packets;
 	u64			rx_bytes;
 	u64			tx_packets;
 	u64			tx_bytes;
 	struct u64_stats_sync	syncp;
 	u32			tx_dropped;
 };

 struct mlxsw_sp_port {
 	struct mlxsw_core_port core_port; /* must be first */
 	struct net_device *dev;
 	struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats;
 	struct mlxsw_sp *mlxsw_sp;
 	u8 local_port;
 	u8 stp_state;
 	u8 learning:1,
 	   learning_sync:1,
 	   uc_flood:1,
 	   bridged:1,
 	   lagged:1,
 	   split:1;
 	u16 pvid;
 	u16 lag_id;
 	struct {
 		struct list_head list;
 		struct mlxsw_sp_fid *f;
 		u16 vid;
 	} vport;
 	struct {
 		u8 tx_pause:1,
 		   rx_pause:1;
 	} link;
 	struct {
 		struct ieee_ets *ets;
 		struct ieee_maxrate *maxrate;
 		struct ieee_pfc *pfc;
 	} dcb;
 	struct {
 		u8 module;
 		u8 width;
 		u8 lane;
 	} mapping;
 	/* 802.1Q bridge VLANs */
 	unsigned long *active_vlans;
 	unsigned long *untagged_vlans;
 	/* VLAN interfaces */
 	struct list_head vports_list;
 };

 struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev);
 void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port);

 static inline bool
 mlxsw_sp_port_is_pause_en(const struct mlxsw_sp_port *mlxsw_sp_port)
 {
 	return mlxsw_sp_port->link.tx_pause || mlxsw_sp_port->link.rx_pause;
 }

 static inline struct mlxsw_sp_port *
 mlxsw_sp_port_lagged_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 port_index)
 {
 	struct mlxsw_sp_port *mlxsw_sp_port;
 	u8 local_port;

 	local_port = mlxsw_core_lag_mapping_get(mlxsw_sp->core,
 						lag_id, port_index);
 	mlxsw_sp_port = mlxsw_sp->ports[local_port];
 	return mlxsw_sp_port && mlxsw_sp_port->lagged ? mlxsw_sp_port : NULL;
 }

 static inline u16
 mlxsw_sp_vport_vid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
 {
 	return mlxsw_sp_vport->vport.vid;
 }

 static inline bool
 mlxsw_sp_port_is_vport(const struct mlxsw_sp_port *mlxsw_sp_port)
 {
 	u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);

 	return vid != 0;
 }

 static inline void mlxsw_sp_vport_fid_set(struct mlxsw_sp_port *mlxsw_sp_vport,
 					  struct mlxsw_sp_fid *f)
 {
 	mlxsw_sp_vport->vport.f = f;
 }

 static inline struct mlxsw_sp_fid *
 mlxsw_sp_vport_fid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
 {
 	return mlxsw_sp_vport->vport.f;
 }

 static inline struct net_device *
 mlxsw_sp_vport_br_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
 {
 	struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);

 	return f ? f->dev : NULL;
 }

 static inline struct mlxsw_sp_port *
 mlxsw_sp_port_vport_find(const struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
 {
 	struct mlxsw_sp_port *mlxsw_sp_vport;

 	list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
 			    vport.list) {
 		if (mlxsw_sp_vport_vid_get(mlxsw_sp_vport) == vid)
 			return mlxsw_sp_vport;
 	}

 	return NULL;
 }

 static inline struct mlxsw_sp_port *
 mlxsw_sp_port_vport_find_by_fid(const struct mlxsw_sp_port *mlxsw_sp_port,
 				u16 fid)
 {
 	struct mlxsw_sp_port *mlxsw_sp_vport;

 	list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
 			    vport.list) {
 		struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);

 		if (f && f->fid == fid)
 			return mlxsw_sp_vport;
 	}

 	return NULL;
 }

 static inline struct mlxsw_sp_rif *
 mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp,
 			 const struct net_device *dev)
 {
 	int i;

 	for (i = 0; i < MLXSW_SP_RIF_MAX; i++)
 		if (mlxsw_sp->rifs[i] && mlxsw_sp->rifs[i]->dev == dev)
 			return mlxsw_sp->rifs[i];

 	return NULL;
 }

 enum mlxsw_sp_flood_table {
 	MLXSW_SP_FLOOD_TABLE_UC,
 	MLXSW_SP_FLOOD_TABLE_BM,
 };

 int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp);
 void mlxsw_sp_buffers_fini(struct mlxsw_sp *mlxsw_sp);
 int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port);
 int mlxsw_sp_sb_pool_get(struct mlxsw_core *mlxsw_core,
 			 unsigned int sb_index, u16 pool_index,
 			 struct devlink_sb_pool_info *pool_info);
 int mlxsw_sp_sb_pool_set(struct mlxsw_core *mlxsw_core,
 			 unsigned int sb_index, u16 pool_index, u32 size,
 			 enum devlink_sb_threshold_type threshold_type);
 int mlxsw_sp_sb_port_pool_get(struct mlxsw_core_port *mlxsw_core_port,
 			      unsigned int sb_index, u16 pool_index,
 			      u32 *p_threshold);
 int mlxsw_sp_sb_port_pool_set(struct mlxsw_core_port *mlxsw_core_port,
 			      unsigned int sb_index, u16 pool_index,
 			      u32 threshold);
 int mlxsw_sp_sb_tc_pool_bind_get(struct mlxsw_core_port *mlxsw_core_port,
 				 unsigned int sb_index, u16 tc_index,
 				 enum devlink_sb_pool_type pool_type,
 				 u16 *p_pool_index, u32 *p_threshold);
 int mlxsw_sp_sb_tc_pool_bind_set(struct mlxsw_core_port *mlxsw_core_port,
 				 unsigned int sb_index, u16 tc_index,
 				 enum devlink_sb_pool_type pool_type,
 				 u16 pool_index, u32 threshold);
 int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
 			     unsigned int sb_index);
 int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
 			      unsigned int sb_index);
 int mlxsw_sp_sb_occ_port_pool_get(struct mlxsw_core_port *mlxsw_core_port,
 				  unsigned int sb_index, u16 pool_index,
 				  u32 *p_cur, u32 *p_max);
 int mlxsw_sp_sb_occ_tc_port_bind_get(struct mlxsw_core_port *mlxsw_core_port,
 				     unsigned int sb_index, u16 tc_index,
 				     enum devlink_sb_pool_type pool_type,
 				     u32 *p_cur, u32 *p_max);

 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
 void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
 int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port);
 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port);
 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port);
 int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port,
 				 enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid,
 				 u16 vid);
 int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
 			   u16 vid_end, bool is_member, bool untagged);
 int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
 			  u16 vid);
 int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid,
 			     bool set);
 void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port);
 int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid);
 int mlxsw_sp_port_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid);
 int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid,
 			bool adding);
 int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
 			  enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
 			  bool dwrr, u8 dwrr_weight);
 int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port,
 			      u8 switch_prio, u8 tclass);
 int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu,
 				 u8 *prio_tc, bool pause_en,
 				 struct ieee_pfc *my_pfc);
 int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port,
 				  enum mlxsw_reg_qeec_hr hr, u8 index,
 				  u8 next_index, u32 maxrate);

 #ifdef CONFIG_MLXSW_SPECTRUM_DCB

 int mlxsw_sp_port_dcb_init(struct mlxsw_sp_port *mlxsw_sp_port);
 void mlxsw_sp_port_dcb_fini(struct mlxsw_sp_port *mlxsw_sp_port);

 #else

 static inline int mlxsw_sp_port_dcb_init(struct mlxsw_sp_port *mlxsw_sp_port)
 {
 	return 0;
 }

 static inline void mlxsw_sp_port_dcb_fini(struct mlxsw_sp_port *mlxsw_sp_port)
 {}

 #endif

 int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp);
 void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp);
 int mlxsw_sp_router_fib4_add(struct mlxsw_sp_port *mlxsw_sp_port,
 			     const struct switchdev_obj_ipv4_fib *fib4,
 			     struct switchdev_trans *trans);
 int mlxsw_sp_router_fib4_del(struct mlxsw_sp_port *mlxsw_sp_port,
 			     const struct switchdev_obj_ipv4_fib *fib4);

 #endif
	/*
	* drivers/net/ethernet/mellanox/mlxsw/spectrum.h
	* Copyright (c) 2015 Mellanox Technologies. All rights reserved.
	* Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
	* Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
	* Copyright (c) 2015 Elad Raz <eladr@mellanox.com>
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. 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.
	* 3. Neither the names of the copyright holders nor the names of its
	* contributors may be used to endorse or promote products derived from
	* this software without specific prior written permission.
	*
	* Alternatively, this software may be distributed under the terms of the
	* GNU General Public License ("GPL") version 2 as published by the Free
	* Software Foundation.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	* POSSIBILITY OF SUCH DAMAGE.
	*/

	#ifndef _MLXSW_SPECTRUM_H
	#define _MLXSW_SPECTRUM_H

	#include <linux/types.h>
	#include <linux/netdevice.h>
	#include <linux/bitops.h>
	#include <linux/if_vlan.h>
	#include <linux/list.h>
	#include <linux/dcbnl.h>
	#include <linux/in6.h>
	#include <net/switchdev.h>

	#include "port.h"
	#include "core.h"

	#define MLXSW_SP_VFID_BASE VLAN_N_VID
	#define MLXSW_SP_VFID_PORT_MAX 512 /* Non-bridged VLAN interfaces */
	#define MLXSW_SP_VFID_BR_MAX 6144 /* Bridged VLAN interfaces */
	#define MLXSW_SP_VFID_MAX (MLXSW_SP_VFID_PORT_MAX + MLXSW_SP_VFID_BR_MAX)

	#define MLXSW_SP_LAG_MAX 64
	#define MLXSW_SP_PORT_PER_LAG_MAX 16

	#define MLXSW_SP_MID_MAX 7000

	#define MLXSW_SP_PORTS_PER_CLUSTER_MAX 4

	#define MLXSW_SP_LPM_TREE_MIN 2 /* trees 0 and 1 are reserved */
	#define MLXSW_SP_LPM_TREE_MAX 22
	#define MLXSW_SP_LPM_TREE_COUNT (MLXSW_SP_LPM_TREE_MAX - MLXSW_SP_LPM_TREE_MIN)

	#define MLXSW_SP_VIRTUAL_ROUTER_MAX 256

	#define MLXSW_SP_PORT_BASE_SPEED 25000 /* Mb/s */

	#define MLXSW_SP_BYTES_PER_CELL 96

	#define MLXSW_SP_BYTES_TO_CELLS(b) DIV_ROUND_UP(b, MLXSW_SP_BYTES_PER_CELL)
	#define MLXSW_SP_CELLS_TO_BYTES(c) (c * MLXSW_SP_BYTES_PER_CELL)

	/* Maximum delay buffer needed in case of PAUSE frames, in cells.
	* Assumes 100m cable and maximum MTU.
	*/
	#define MLXSW_SP_PAUSE_DELAY 612

	#define MLXSW_SP_CELL_FACTOR 2 /* 2 * cell_size / (IPG + cell_size + 1) */

	#define MLXSW_SP_RIF_MAX 800

	static inline u16 mlxsw_sp_pfc_delay_get(int mtu, u16 delay)
	{
	delay = MLXSW_SP_BYTES_TO_CELLS(DIV_ROUND_UP(delay, BITS_PER_BYTE));
	return MLXSW_SP_CELL_FACTOR * delay + MLXSW_SP_BYTES_TO_CELLS(mtu);
	}

	struct mlxsw_sp_port;

	struct mlxsw_sp_upper {
	struct net_device *dev;
	unsigned int ref_count;
	};

	struct mlxsw_sp_fid {
	void (leave)(struct mlxsw_sp_port mlxsw_sp_vport);
	struct list_head list;
	unsigned int ref_count;
	struct net_device *dev;
	u16 fid;
	u16 vid;
	};

	struct mlxsw_sp_rif {
	struct net_device *dev;
	struct mlxsw_sp_fid *f;
	unsigned char addr[ETH_ALEN];
	int mtu;
	u16 rif;
	};

	struct mlxsw_sp_mid {
	struct list_head list;
	unsigned char addr[ETH_ALEN];
	u16 vid;
	u16 mid;
	unsigned int ref_count;
	};

	static inline u16 mlxsw_sp_vfid_to_fid(u16 vfid)
	{
	return MLXSW_SP_VFID_BASE + vfid;
	}

	static inline u16 mlxsw_sp_fid_to_vfid(u16 fid)
	{
	return fid - MLXSW_SP_VFID_BASE;
	}

	static inline bool mlxsw_sp_fid_is_vfid(u16 fid)
	{
	return fid >= MLXSW_SP_VFID_BASE;
	}

	struct mlxsw_sp_sb_pr {
	enum mlxsw_reg_sbpr_mode mode;
	u32 size;
	};

	struct mlxsw_cp_sb_occ {
	u32 cur;
	u32 max;
	};

	struct mlxsw_sp_sb_cm {
	u32 min_buff;
	u32 max_buff;
	u8 pool;
	struct mlxsw_cp_sb_occ occ;
	};

	struct mlxsw_sp_sb_pm {
	u32 min_buff;
	u32 max_buff;
	struct mlxsw_cp_sb_occ occ;
	};

	#define MLXSW_SP_SB_POOL_COUNT 4
	#define MLXSW_SP_SB_TC_COUNT 8

	struct mlxsw_sp_sb {
	struct mlxsw_sp_sb_pr prs[2][MLXSW_SP_SB_POOL_COUNT];
	struct {
	struct mlxsw_sp_sb_cm cms[2][MLXSW_SP_SB_TC_COUNT];
	struct mlxsw_sp_sb_pm pms[2][MLXSW_SP_SB_POOL_COUNT];
	} ports[MLXSW_PORT_MAX_PORTS];
	};

	#define MLXSW_SP_PREFIX_COUNT (sizeof(struct in6_addr) * BITS_PER_BYTE)

	struct mlxsw_sp_prefix_usage {
	DECLARE_BITMAP(b, MLXSW_SP_PREFIX_COUNT);
	};

	enum mlxsw_sp_l3proto {
	MLXSW_SP_L3_PROTO_IPV4,
	MLXSW_SP_L3_PROTO_IPV6,
	};

	struct mlxsw_sp_lpm_tree {
	u8 id; /* tree ID */
	unsigned int ref_count;
	enum mlxsw_sp_l3proto proto;
	struct mlxsw_sp_prefix_usage prefix_usage;
	};

	struct mlxsw_sp_fib;

	struct mlxsw_sp_vr {
	u16 id; /* virtual router ID */
	bool used;
	enum mlxsw_sp_l3proto proto;
	u32 tb_id; /* kernel fib table id */
	struct mlxsw_sp_lpm_tree *lpm_tree;
	struct mlxsw_sp_fib *fib;
	};

	struct mlxsw_sp_router {
	struct mlxsw_sp_lpm_tree lpm_trees[MLXSW_SP_LPM_TREE_COUNT];
	struct mlxsw_sp_vr vrs[MLXSW_SP_VIRTUAL_ROUTER_MAX];
	};

	struct mlxsw_sp {
	struct {
	struct list_head list;
	DECLARE_BITMAP(mapped, MLXSW_SP_VFID_PORT_MAX);
	} port_vfids;
	struct {
	struct list_head list;
	DECLARE_BITMAP(mapped, MLXSW_SP_VFID_BR_MAX);
	} br_vfids;
	struct {
	struct list_head list;
	DECLARE_BITMAP(mapped, MLXSW_SP_MID_MAX);
	} br_mids;
	struct list_head fids; /* VLAN-aware bridge FIDs */
	struct mlxsw_sp_rif *rifs[MLXSW_SP_RIF_MAX];
	struct mlxsw_sp_port **ports;
	struct mlxsw_core *core;
	const struct mlxsw_bus_info *bus_info;
	unsigned char base_mac[ETH_ALEN];
	struct {
	struct delayed_work dw;
	#define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100
	unsigned int interval; /* ms */
	} fdb_notify;
	#define MLXSW_SP_MIN_AGEING_TIME 10
	#define MLXSW_SP_MAX_AGEING_TIME 1000000
	#define MLXSW_SP_DEFAULT_AGEING_TIME 300
	u32 ageing_time;
	struct mlxsw_sp_upper master_bridge;
	struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX];
	u8 port_to_module[MLXSW_PORT_MAX_PORTS];
	struct mlxsw_sp_sb sb;
	struct mlxsw_sp_router router;
	};

	static inline struct mlxsw_sp_upper *
	mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
	{
	return &mlxsw_sp->lags[lag_id];
	}

	struct mlxsw_sp_port_pcpu_stats {
	u64 rx_packets;
	u64 rx_bytes;
	u64 tx_packets;
	u64 tx_bytes;
	struct u64_stats_sync syncp;
	u32 tx_dropped;
	};

	struct mlxsw_sp_port {
	struct mlxsw_core_port core_port; /* must be first */
	struct net_device *dev;
	struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats;
	struct mlxsw_sp *mlxsw_sp;
	u8 local_port;
	u8 stp_state;
	u8 learning:1,
	learning_sync:1,
	uc_flood:1,
	bridged:1,
	lagged:1,
	split:1;
	u16 pvid;
	u16 lag_id;
	struct {
	struct list_head list;
	struct mlxsw_sp_fid *f;
	u16 vid;
	} vport;
	struct {
	u8 tx_pause:1,
	rx_pause:1;
	} link;
	struct {
	struct ieee_ets *ets;
	struct ieee_maxrate *maxrate;
	struct ieee_pfc *pfc;
	} dcb;
	struct {
	u8 module;
	u8 width;
	u8 lane;
	} mapping;
	/* 802.1Q bridge VLANs */
	unsigned long *active_vlans;
	unsigned long *untagged_vlans;
	/* VLAN interfaces */
	struct list_head vports_list;
	};

	struct mlxsw_sp_port mlxsw_sp_port_lower_dev_hold(struct net_device dev);
	void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port);

	static inline bool
	mlxsw_sp_port_is_pause_en(const struct mlxsw_sp_port *mlxsw_sp_port)
	{
	return mlxsw_sp_port->link.tx_pause \|\| mlxsw_sp_port->link.rx_pause;
	}

	static inline struct mlxsw_sp_port *
	mlxsw_sp_port_lagged_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 port_index)
	{
	struct mlxsw_sp_port *mlxsw_sp_port;
	u8 local_port;

	local_port = mlxsw_core_lag_mapping_get(mlxsw_sp->core,
	lag_id, port_index);
	mlxsw_sp_port = mlxsw_sp->ports[local_port];
	return mlxsw_sp_port && mlxsw_sp_port->lagged ? mlxsw_sp_port : NULL;
	}

	static inline u16
	mlxsw_sp_vport_vid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
	{
	return mlxsw_sp_vport->vport.vid;
	}

	static inline bool
	mlxsw_sp_port_is_vport(const struct mlxsw_sp_port *mlxsw_sp_port)
	{
	u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_port);

	return vid != 0;
	}

	static inline void mlxsw_sp_vport_fid_set(struct mlxsw_sp_port *mlxsw_sp_vport,
	struct mlxsw_sp_fid *f)
	{
	mlxsw_sp_vport->vport.f = f;
	}

	static inline struct mlxsw_sp_fid *
	mlxsw_sp_vport_fid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
	{
	return mlxsw_sp_vport->vport.f;
	}

	static inline struct net_device *
	mlxsw_sp_vport_br_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
	{
	struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);

	return f ? f->dev : NULL;
	}

	static inline struct mlxsw_sp_port *
	mlxsw_sp_port_vport_find(const struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
	{
	struct mlxsw_sp_port *mlxsw_sp_vport;

	list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
	vport.list) {
	if (mlxsw_sp_vport_vid_get(mlxsw_sp_vport) == vid)
	return mlxsw_sp_vport;
	}

	return NULL;
	}

	static inline struct mlxsw_sp_port *
	mlxsw_sp_port_vport_find_by_fid(const struct mlxsw_sp_port *mlxsw_sp_port,
	u16 fid)
	{
	struct mlxsw_sp_port *mlxsw_sp_vport;

	list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
	vport.list) {
	struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);

	if (f && f->fid == fid)
	return mlxsw_sp_vport;
	}

	return NULL;
	}

	static inline struct mlxsw_sp_rif *
	mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp,
	const struct net_device *dev)
	{
	int i;

	for (i = 0; i < MLXSW_SP_RIF_MAX; i++)
	if (mlxsw_sp->rifs[i] && mlxsw_sp->rifs[i]->dev == dev)
	return mlxsw_sp->rifs[i];

	return NULL;
	}

	enum mlxsw_sp_flood_table {
	MLXSW_SP_FLOOD_TABLE_UC,
	MLXSW_SP_FLOOD_TABLE_BM,
	};

	int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp);
	void mlxsw_sp_buffers_fini(struct mlxsw_sp *mlxsw_sp);
	int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port);
	int mlxsw_sp_sb_pool_get(struct mlxsw_core *mlxsw_core,
	unsigned int sb_index, u16 pool_index,
	struct devlink_sb_pool_info *pool_info);
	int mlxsw_sp_sb_pool_set(struct mlxsw_core *mlxsw_core,
	unsigned int sb_index, u16 pool_index, u32 size,
	enum devlink_sb_threshold_type threshold_type);
	int mlxsw_sp_sb_port_pool_get(struct mlxsw_core_port *mlxsw_core_port,
	unsigned int sb_index, u16 pool_index,
	u32 *p_threshold);
	int mlxsw_sp_sb_port_pool_set(struct mlxsw_core_port *mlxsw_core_port,
	unsigned int sb_index, u16 pool_index,
	u32 threshold);
	int mlxsw_sp_sb_tc_pool_bind_get(struct mlxsw_core_port *mlxsw_core_port,
	unsigned int sb_index, u16 tc_index,
	enum devlink_sb_pool_type pool_type,
	u16 p_pool_index, u32 p_threshold);
	int mlxsw_sp_sb_tc_pool_bind_set(struct mlxsw_core_port *mlxsw_core_port,
	unsigned int sb_index, u16 tc_index,
	enum devlink_sb_pool_type pool_type,
	u16 pool_index, u32 threshold);
	int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
	unsigned int sb_index);
	int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
	unsigned int sb_index);
	int mlxsw_sp_sb_occ_port_pool_get(struct mlxsw_core_port *mlxsw_core_port,
	unsigned int sb_index, u16 pool_index,
	u32 p_cur, u32 p_max);
	int mlxsw_sp_sb_occ_tc_port_bind_get(struct mlxsw_core_port *mlxsw_core_port,
	unsigned int sb_index, u16 tc_index,
	enum devlink_sb_pool_type pool_type,
	u32 p_cur, u32 p_max);

	int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
	void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
	int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port);
	void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port);
	void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port);
	int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port,
	enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid,
	u16 vid);
	int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
	u16 vid_end, bool is_member, bool untagged);
	int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
	u16 vid);
	int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid,
	bool set);
	void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port);
	int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid);
	int mlxsw_sp_port_fdb_flush(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid);
	int mlxsw_sp_rif_fdb_op(struct mlxsw_sp mlxsw_sp, const char mac, u16 fid,
	bool adding);
	int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
	enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
	bool dwrr, u8 dwrr_weight);
	int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port,
	u8 switch_prio, u8 tclass);
	int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu,
	u8 *prio_tc, bool pause_en,
	struct ieee_pfc *my_pfc);
	int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port,
	enum mlxsw_reg_qeec_hr hr, u8 index,
	u8 next_index, u32 maxrate);

	#ifdef CONFIG_MLXSW_SPECTRUM_DCB

	int mlxsw_sp_port_dcb_init(struct mlxsw_sp_port *mlxsw_sp_port);
	void mlxsw_sp_port_dcb_fini(struct mlxsw_sp_port *mlxsw_sp_port);

	#else

	static inline int mlxsw_sp_port_dcb_init(struct mlxsw_sp_port *mlxsw_sp_port)
	{
	return 0;
	}

	static inline void mlxsw_sp_port_dcb_fini(struct mlxsw_sp_port *mlxsw_sp_port)
	{}

	#endif

	int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp);
	void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp);
	int mlxsw_sp_router_fib4_add(struct mlxsw_sp_port *mlxsw_sp_port,
	const struct switchdev_obj_ipv4_fib *fib4,
	struct switchdev_trans *trans);
	int mlxsw_sp_router_fib4_del(struct mlxsw_sp_port *mlxsw_sp_port,
	const struct switchdev_obj_ipv4_fib *fib4);

	#endif