/*
* 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;
}
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,
used_kvd_sizes: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;
u32 kvd_linear_size;
u32 kvd_hash_single_size;
u32 kvd_hash_double_size;
u8 resource_query_enable;
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_resources {
u8 max_span_valid:1;
u8 max_span;
};
struct mlxsw_resources *mlxsw_core_resources_get(struct mlxsw_core *mlxsw_core);
struct mlxsw_bus {
const char *kind;
int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core,
const struct mlxsw_config_profile *profile,
struct mlxsw_resources *resources);
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;
}
#endif
#endif
