1 /* 2 * drivers/net/ethernet/mellanox/mlxsw/spectrum.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> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 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. 19 * 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. 23 * 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. 35 */ 36 37 #ifndef _MLXSW_SPECTRUM_H 38 #define _MLXSW_SPECTRUM_H 39 40 #include <linux/types.h> 41 #include <linux/netdevice.h> 42 #include <linux/bitops.h> 43 #include <linux/if_vlan.h> 44 #include <net/switchdev.h> 45 46 #include "core.h" 47 48 #define MLXSW_SP_VFID_BASE VLAN_N_VID 49 50 struct mlxsw_sp_port; 51 52 struct mlxsw_sp { 53 unsigned long active_vfids[BITS_TO_LONGS(VLAN_N_VID)]; 54 unsigned long active_fids[BITS_TO_LONGS(VLAN_N_VID)]; 55 struct mlxsw_sp_port **ports; 56 struct mlxsw_core *core; 57 const struct mlxsw_bus_info *bus_info; 58 unsigned char base_mac[ETH_ALEN]; 59 struct { 60 struct delayed_work dw; 61 #define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100 62 unsigned int interval; /* ms */ 63 } fdb_notify; 64 #define MLXSW_SP_MIN_AGEING_TIME 10 65 #define MLXSW_SP_MAX_AGEING_TIME 1000000 66 #define MLXSW_SP_DEFAULT_AGEING_TIME 300 67 u32 ageing_time; 68 struct { 69 struct net_device *dev; 70 unsigned int ref_count; 71 } master_bridge; 72 }; 73 74 struct mlxsw_sp_port_pcpu_stats { 75 u64 rx_packets; 76 u64 rx_bytes; 77 u64 tx_packets; 78 u64 tx_bytes; 79 struct u64_stats_sync syncp; 80 u32 tx_dropped; 81 }; 82 83 struct mlxsw_sp_port { 84 struct net_device *dev; 85 struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats; 86 struct mlxsw_sp *mlxsw_sp; 87 u8 local_port; 88 u8 stp_state; 89 u8 learning:1, 90 learning_sync:1, 91 uc_flood:1, 92 bridged:1; 93 u16 pvid; 94 /* 802.1Q bridge VLANs */ 95 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 96 /* VLAN interfaces */ 97 unsigned long active_vfids[BITS_TO_LONGS(VLAN_N_VID)]; 98 u16 nr_vfids; 99 }; 100 101 enum mlxsw_sp_flood_table { 102 MLXSW_SP_FLOOD_TABLE_UC, 103 MLXSW_SP_FLOOD_TABLE_BM, 104 }; 105 106 int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp); 107 int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port); 108 109 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp); 110 void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp); 111 int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port); 112 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port); 113 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port); 114 int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port, 115 enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid, 116 u16 vid); 117 int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, 118 u16 vid_end, bool is_member, bool untagged); 119 int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, 120 u16 vid); 121 int mlxsw_sp_port_kill_vid(struct net_device *dev, 122 __be16 __always_unused proto, u16 vid); 123 124 #endif 125