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"
61 struct mlxsw_bus_info;
63 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
64 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);
66 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
67 const struct mlxsw_bus *mlxsw_bus,
69 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core);
71 struct mlxsw_tx_info {
76 int mlxsw_core_skb_transmit(void *driver_priv, struct sk_buff *skb,
77 const struct mlxsw_tx_info *tx_info);
79 struct mlxsw_rx_listener {
80 void (*func)(struct sk_buff *skb, u8 local_port, void *priv);
85 struct mlxsw_event_listener {
86 void (*func)(const struct mlxsw_reg_info *reg,
87 char *payload, void *priv);
88 enum mlxsw_event_trap_id trap_id;
91 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
92 const struct mlxsw_rx_listener *rxl,
94 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
95 const struct mlxsw_rx_listener *rxl,
98 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
99 const struct mlxsw_event_listener *el,
101 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
102 const struct mlxsw_event_listener *el,
105 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core,
106 const struct mlxsw_reg_info *reg, char *payload);
107 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core,
108 const struct mlxsw_reg_info *reg, char *payload);
110 struct mlxsw_rx_info {
115 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
116 struct mlxsw_rx_info *rx_info);
118 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8
120 struct mlxsw_swid_config {
127 struct mlxsw_config_profile {
128 u16 used_max_vepa_channels:1,
130 used_max_port_per_lag:1,
133 used_max_system_port:1,
134 used_max_vlan_groups:1,
141 used_adaptive_routing_group_cap:1;
142 u8 max_vepa_channels;
144 u16 max_port_per_lag;
151 u8 max_vid_flood_tables;
156 u16 adaptive_routing_group_cap;
158 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT];
161 struct mlxsw_driver {
162 struct list_head list;
164 struct module *owner;
166 int (*init)(void *driver_priv, struct mlxsw_core *mlxsw_core,
167 const struct mlxsw_bus_info *mlxsw_bus_info);
168 void (*fini)(void *driver_priv);
169 void (*txhdr_construct)(struct sk_buff *skb,
170 const struct mlxsw_tx_info *tx_info);
172 const struct mlxsw_config_profile *profile;
177 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core,
178 const struct mlxsw_config_profile *profile);
179 void (*fini)(void *bus_priv);
180 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb,
181 const struct mlxsw_tx_info *tx_info);
182 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod,
183 u32 in_mod, bool out_mbox_direct,
184 char *in_mbox, size_t in_mbox_size,
185 char *out_mbox, size_t out_mbox_size,
189 struct mlxsw_bus_info {
190 const char *device_kind;
191 const char *device_name;
198 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN];
199 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN];