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- /*
- * 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 "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;
- 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(void *driver_priv,
- const struct mlxsw_tx_info *tx_info);
- int mlxsw_core_skb_transmit(void *driver_priv, 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);
- 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 {
- u16 sys_port;
- int trap_id;
- };
- void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
- struct mlxsw_rx_info *rx_info);
- #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)(void *driver_priv, struct mlxsw_core *mlxsw_core,
- const struct mlxsw_bus_info *mlxsw_bus_info);
- void (*fini)(void *driver_priv);
- 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];
- };
- #endif
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