diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h new file mode 100644 index 000000000000..165808471188 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -0,0 +1,207 @@ +/* + * 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" + +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; + 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 |