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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
#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"
#include "resources.h"
struct mlxsw_core;
struct mlxsw_core_port;
struct mlxsw_driver;
struct mlxsw_bus;
struct mlxsw_bus_info;
unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core);
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, bool reload,
struct devlink *devlink);
void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload);
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;
enum mlxsw_reg_hpkt_action action;
};
struct mlxsw_event_listener {
void (*func)(const struct mlxsw_reg_info *reg,
char *payload, void *priv);
enum mlxsw_event_trap_id trap_id;
};
struct mlxsw_listener {
u16 trap_id;
union {
struct mlxsw_rx_listener rx_listener;
struct mlxsw_event_listener event_listener;
} u;
enum mlxsw_reg_hpkt_action action;
enum mlxsw_reg_hpkt_action unreg_action;
u8 trap_group;
bool is_ctrl; /* should go via control buffer or not */
bool is_event;
};
#define MLXSW_RXL(_func, _trap_id, _action, _is_ctrl, _trap_group, \
_unreg_action) \
{ \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
.u.rx_listener = \
{ \
.func = _func, \
.local_port = MLXSW_PORT_DONT_CARE, \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
}, \
.action = MLXSW_REG_HPKT_ACTION_##_action, \
.unreg_action = MLXSW_REG_HPKT_ACTION_##_unreg_action, \
.trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
.is_ctrl = _is_ctrl, \
.is_event = false, \
}
#define MLXSW_EVENTL(_func, _trap_id, _trap_group) \
{ \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
.u.event_listener = \
{ \
.func = _func, \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
}, \
.action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \
.trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
.is_ctrl = false, \
.is_event = true, \
}
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);
int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
const struct mlxsw_listener *listener,
void *priv);
void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
const struct mlxsw_listener *listener,
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);
void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port);
int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u8 local_port,
u32 port_number, bool split,
u32 split_port_subnumber,
const unsigned char *switch_id,
unsigned char switch_id_len);
void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u8 local_port);
void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u8 local_port,
void *port_driver_priv, struct net_device *dev);
void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u8 local_port,
void *port_driver_priv);
void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u8 local_port,
void *port_driver_priv);
enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core,
u8 local_port);
struct devlink_port *
mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
u8 local_port);
int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
bool mlxsw_core_schedule_work(struct work_struct *work);
void mlxsw_core_flush_owq(void);
int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox,
struct mlxsw_res *res);
#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_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,
used_kvd_sizes:1;
u8 max_vepa_channels;
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;
u32 kvd_linear_size;
u8 kvd_hash_single_parts;
u8 kvd_hash_double_parts;
struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT];
};
struct mlxsw_driver {
struct list_head list;
const char *kind;
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 (*basic_trap_groups_set)(struct mlxsw_core *mlxsw_core);
int (*port_type_set)(struct mlxsw_core *mlxsw_core, u8 local_port,
enum devlink_port_type new_type);
int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port,
unsigned int count, struct
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