1 /* 2 * drivers/net/ethernet/mellanox/mlxsw/mlxsw_span.h 3 * Copyright (c) 2018 Mellanox Technologies. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the names of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * Alternatively, this software may be distributed under the terms of the 18 * GNU General Public License ("GPL") version 2 as published by the Free 19 * Software Foundation. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _MLXSW_SPECTRUM_SPAN_H 35 #define _MLXSW_SPECTRUM_SPAN_H 36 37 #include <linux/types.h> 38 39 struct mlxsw_sp; 40 struct mlxsw_sp_port; 41 42 enum mlxsw_sp_span_type { 43 MLXSW_SP_SPAN_EGRESS, 44 MLXSW_SP_SPAN_INGRESS 45 }; 46 47 struct mlxsw_sp_span_inspected_port { 48 struct list_head list; 49 enum mlxsw_sp_span_type type; 50 u8 local_port; 51 }; 52 53 struct mlxsw_sp_span_entry { 54 u8 local_port; 55 struct list_head bound_ports_list; 56 int ref_count; 57 int id; 58 }; 59 60 int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp); 61 void mlxsw_sp_span_fini(struct mlxsw_sp *mlxsw_sp); 62 63 int mlxsw_sp_span_mirror_add(struct mlxsw_sp_port *from, 64 struct mlxsw_sp_port *to, 65 enum mlxsw_sp_span_type type, bool bind); 66 void mlxsw_sp_span_mirror_del(struct mlxsw_sp_port *from, u8 destination_port, 67 enum mlxsw_sp_span_type type, bool bind); 68 struct mlxsw_sp_span_entry * 69 mlxsw_sp_span_entry_find(struct mlxsw_sp *mlxsw_sp, u8 local_port); 70 71 int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu); 72 73 #endif 74