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/*
* drivers/net/ethernet/mellanox/mlxsw/spectrum.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_SPECTRUM_H
#define _MLXSW_SPECTRUM_H
#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/bitops.h>
#include <linux/if_vlan.h>
#include <net/switchdev.h>
#include "core.h"
#define MLXSW_SP_VFID_BASE VLAN_N_VID
struct mlxsw_sp_port;
struct mlxsw_sp {
unsigned long active_vfids[BITS_TO_LONGS(VLAN_N_VID)];
unsigned long active_fids[BITS_TO_LONGS(VLAN_N_VID)];
struct mlxsw_sp_port **ports;
struct mlxsw_core *core;
const struct mlxsw_bus_info *bus_info;
unsigned char base_mac[ETH_ALEN];
struct {
struct delayed_work dw;
#define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100
unsigned int interval; /* ms */
} fdb_notify;
#define MLXSW_SP_DEFAULT_AGEING_TIME 300
u32 ageing_time;
struct {
struct net_device *dev;
unsigned int ref_count;
} master_bridge;
};
struct mlxsw_sp_port_pcpu_stats {
u64 rx_packets;
u64 rx_bytes;
u64 tx_packets;
u64 tx_bytes;
struct u64_stats_sync syncp;
u32 tx_dropped;
};
struct mlxsw_sp_port {
struct net_device *dev;
struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats;
struct mlxsw_sp *mlxsw_sp;
u8 local_port;
u8 stp_state;
u8 learning:1,
learning_sync:1,
uc_flood:1,
bridged:1;
u16 pvid;
/* 802.1Q bridge VLANs */
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
/* VLAN interfaces */
unsigned long active_vfids[BITS_TO_LONGS(VLAN_N_VID)];
u16 nr_vfids;
};
enum mlxsw_sp_flood_table {
MLXSW_SP_FLOOD_TABLE_UC,
MLXSW_SP_FLOOD_TABLE_BM,
};
int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp);
int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port);
int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port);
void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port);
void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port);
int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid,
u16 vid);
int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
u16 vid_end, bool is_member, bool untagged);
int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
u16 vid);
int mlxsw_sp_port_kill_vid(struct net_device *dev,
__be16 __always_unused proto, u16 vid);
#endif
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