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Release 4.7 drivers/net/ethernet/mellanox/mlxsw/core.h

/*
 * drivers/net/ethernet/mellanox/mlxsw/core.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_CORE_H

#define _MLXSW_CORE_H

#include <linux/module.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/gfp.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <net/devlink.h>

#include "trap.h"
#include "reg.h"

#include "cmd.h"


#define MLXSW_MODULE_ALIAS_PREFIX "mlxsw-driver-"

#define MODULE_MLXSW_DRIVER_ALIAS(kind)	\
	MODULE_ALIAS(MLXSW_MODULE_ALIAS_PREFIX kind)


#define MLXSW_DEVICE_KIND_SWITCHX2 "switchx2"

#define MLXSW_DEVICE_KIND_SPECTRUM "spectrum"

struct mlxsw_core;
struct mlxsw_driver;
struct mlxsw_bus;
struct mlxsw_bus_info;

void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core);

int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);

int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
				   const struct mlxsw_bus *mlxsw_bus,
				   void *bus_priv);
void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core);


struct mlxsw_tx_info {
	
u8 local_port;
	
bool is_emad;
};

bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core,
				  const struct mlxsw_tx_info *tx_info);
int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
			    const struct mlxsw_tx_info *tx_info);


struct mlxsw_rx_listener {
	
void (*func)(struct sk_buff *skb, u8 local_port, void *priv);
	
u8 local_port;
	
u16 trap_id;
};


struct mlxsw_event_listener {
	
void (*func)(const struct mlxsw_reg_info *reg,
		     char *payload, void *priv);
	
enum mlxsw_event_trap_id trap_id;
};

int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
				    const struct mlxsw_rx_listener *rxl,
				    void *priv);
void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
				       const struct mlxsw_rx_listener *rxl,
				       void *priv);

int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
				       const struct mlxsw_event_listener *el,
				       void *priv);
void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
					  const struct mlxsw_event_listener *el,
					  void *priv);


typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload,
				  size_t payload_len, unsigned long cb_priv);

int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core,
			  const struct mlxsw_reg_info *reg, char *payload,
			  struct list_head *bulk_list,
			  mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core,
			  const struct mlxsw_reg_info *reg, char *payload,
			  struct list_head *bulk_list,
			  mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list);

int mlxsw_reg_query(struct mlxsw_core *mlxsw_core,
		    const struct mlxsw_reg_info *reg, char *payload);
int mlxsw_reg_write(struct mlxsw_core *mlxsw_core,
		    const struct mlxsw_reg_info *reg, char *payload);


struct mlxsw_rx_info {
	
bool is_lag;
	union {
		
u16 sys_port;
		
u16 lag_id;
	} 
u;
	
u8 lag_port_index;
	
int trap_id;
};

void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
			    struct mlxsw_rx_info *rx_info);

void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core,
				u16 lag_id, u8 port_index, u8 local_port);
u8 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core,
			      u16 lag_id, u8 port_index);
void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core,
				  u16 lag_id, u8 local_port);


struct mlxsw_core_port {
	
struct devlink_port devlink_port;
};


static inline void * mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port) { /* mlxsw_core_port is ensured to always be the first field in driver * port structure. */ return mlxsw_core_port; }

Contributors

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jiri pirkojiri pirko17100.00%1100.00%
Total17100.00%1100.00%

int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, struct mlxsw_core_port *mlxsw_core_port, u8 local_port, struct net_device *dev, bool split, u32 split_group); void mlxsw_core_port_fini(struct mlxsw_core_port *mlxsw_core_port); int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 struct mlxsw_swid_config { u8 used_type:1, used_properties:1; u8 type; u8 properties; }; struct mlxsw_config_profile { u16 used_max_vepa_channels:1, used_max_lag:1, used_max_port_per_lag:1, used_max_mid:1, used_max_pgt:1, used_max_system_port:1, used_max_vlan_groups:1, used_max_regions:1, used_flood_tables:1, used_flood_mode:1, used_max_ib_mc:1, used_max_pkey:1, used_ar_sec:1, used_adaptive_routing_group_cap:1; u8 max_vepa_channels; u16 max_lag; u16 max_port_per_lag; u16 max_mid; u16 max_pgt; u16 max_system_port; u16 max_vlan_groups; u16 max_regions; u8 max_flood_tables; u8 max_vid_flood_tables; u8 flood_mode; u8 max_fid_offset_flood_tables; u16 fid_offset_flood_table_size; u8 max_fid_flood_tables; u16 fid_flood_table_size; u16 max_ib_mc; u16 max_pkey; u8 ar_sec; u16 adaptive_routing_group_cap; u8 arn; struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; }; struct mlxsw_driver { struct list_head list; const char *kind; struct module *owner; size_t priv_size; int (*init)(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info); void (*fini)(struct mlxsw_core *mlxsw_core); int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port, unsigned int count); int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u8 local_port); int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, unsigned int sb_index, u16 pool_index, struct devlink_sb_pool_info *pool_info); int (*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 (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, unsigned int sb_index, u16 pool_index, u32 *p_threshold); int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, unsigned int sb_index, u16 pool_index, u32 threshold); int (*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 (*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 (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, unsigned int sb_index); int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, unsigned int sb_index); int (*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 (*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); void (*txhdr_construct)(struct sk_buff *skb, const struct mlxsw_tx_info *tx_info); u8 txhdr_len; const struct mlxsw_config_profile *profile; }; struct mlxsw_bus { const char *kind; int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, const struct mlxsw_config_profile *profile); void (*fini)(void *bus_priv); bool (*skb_transmit_busy)(void *bus_priv, const struct mlxsw_tx_info *tx_info); int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, const struct mlxsw_tx_info *tx_info); int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, u32 in_mod, bool out_mbox_direct, char *in_mbox, size_t in_mbox_size, char *out_mbox, size_t out_mbox_size, u8 *p_status); }; struct mlxsw_bus_info { const char *device_kind; const char *device_name; struct device *dev; struct { u16 major; u16 minor; u16 subminor; } fw_rev; u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; }; struct mlxsw_hwmon; #ifdef CONFIG_MLXSW_CORE_HWMON int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info, struct mlxsw_hwmon **p_hwmon); void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); #else
static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info, struct mlxsw_hwmon **p_hwmon) { return 0; }

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jiri pirkojiri pirko27100.00%1100.00%
Total27100.00%1100.00%

#endif #endif

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jiri pirkojiri pirko120788.75%1477.78%
ido schimmelido schimmel15311.25%422.22%
Total1360100.00%18100.00%
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