2 * drivers/net/ethernet/mellanox/mlxsw/core.h
3 * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
5 * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
6 * Copyright (c) 2015 Elad Raz <eladr@mellanox.com>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the names of the copyright holders nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
40 #include <linux/module.h>
41 #include <linux/device.h>
42 #include <linux/slab.h>
43 #include <linux/gfp.h>
44 #include <linux/types.h>
45 #include <linux/skbuff.h>
52 #define MLXSW_MODULE_ALIAS_PREFIX "mlxsw-driver-"
53 #define MODULE_MLXSW_DRIVER_ALIAS(kind) \
54 MODULE_ALIAS(MLXSW_MODULE_ALIAS_PREFIX kind)
56 #define MLXSW_DEVICE_KIND_SWITCHX2 "switchx2"
57 #define MLXSW_DEVICE_KIND_SPECTRUM "spectrum"
62 struct mlxsw_bus_info;
64 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
65 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);
67 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
68 const struct mlxsw_bus *mlxsw_bus,
70 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core);
72 struct mlxsw_tx_info {
77 bool mlxsw_core_skb_transmit_busy(void *driver_priv,
78 const struct mlxsw_tx_info *tx_info);
80 int mlxsw_core_skb_transmit(void *driver_priv, struct sk_buff *skb,
81 const struct mlxsw_tx_info *tx_info);
83 struct mlxsw_rx_listener {
84 void (*func)(struct sk_buff *skb, u8 local_port, void *priv);
89 struct mlxsw_event_listener {
90 void (*func)(const struct mlxsw_reg_info *reg,
91 char *payload, void *priv);
92 enum mlxsw_event_trap_id trap_id;
95 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
96 const struct mlxsw_rx_listener *rxl,
98 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
99 const struct mlxsw_rx_listener *rxl,
102 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
103 const struct mlxsw_event_listener *el,
105 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
106 const struct mlxsw_event_listener *el,
109 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core,
110 const struct mlxsw_reg_info *reg, char *payload);
111 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core,
112 const struct mlxsw_reg_info *reg, char *payload);
114 struct mlxsw_rx_info {
119 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
120 struct mlxsw_rx_info *rx_info);
122 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8
124 struct mlxsw_swid_config {
131 struct mlxsw_config_profile {
132 u16 used_max_vepa_channels:1,
134 used_max_port_per_lag:1,
137 used_max_system_port:1,
138 used_max_vlan_groups:1,
145 used_adaptive_routing_group_cap:1;
146 u8 max_vepa_channels;
148 u16 max_port_per_lag;
155 u8 max_vid_flood_tables;
157 u8 max_fid_offset_flood_tables;
158 u16 fid_offset_flood_table_size;
159 u8 max_fid_flood_tables;
160 u16 fid_flood_table_size;
164 u16 adaptive_routing_group_cap;
166 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT];
169 struct mlxsw_driver {
170 struct list_head list;
172 struct module *owner;
174 int (*init)(void *driver_priv, struct mlxsw_core *mlxsw_core,
175 const struct mlxsw_bus_info *mlxsw_bus_info);
176 void (*fini)(void *driver_priv);
177 void (*txhdr_construct)(struct sk_buff *skb,
178 const struct mlxsw_tx_info *tx_info);
180 const struct mlxsw_config_profile *profile;
185 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core,
186 const struct mlxsw_config_profile *profile);
187 void (*fini)(void *bus_priv);
188 bool (*skb_transmit_busy)(void *bus_priv,
189 const struct mlxsw_tx_info *tx_info);
190 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb,
191 const struct mlxsw_tx_info *tx_info);
192 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod,
193 u32 in_mod, bool out_mbox_direct,
194 char *in_mbox, size_t in_mbox_size,
195 char *out_mbox, size_t out_mbox_size,
199 struct mlxsw_bus_info {
200 const char *device_kind;
201 const char *device_name;
208 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN];
209 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN];