/* * drivers/net/ethernet/mellanox/mlxsw/core.h * Copyright (c) 2015 Mellanox Technologies. All rights reserved. * Copyright (c) 2015 Jiri Pirko * Copyright (c) 2015 Ido Schimmel * Copyright (c) 2015 Elad Raz * * 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 #include #include #include #include #include #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