1 /* 2 * drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h 3 * Copyright (c) 2017 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the names of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _MLXSW_SPECTRUM_MCROUTER_H 36 #define _MLXSW_SPECTRUM_MCROUTER_H 37 38 #include <linux/mroute.h> 39 #include <linux/mroute6.h> 40 #include "spectrum_router.h" 41 #include "spectrum.h" 42 43 enum mlxsw_sp_mr_route_action { 44 MLXSW_SP_MR_ROUTE_ACTION_FORWARD, 45 MLXSW_SP_MR_ROUTE_ACTION_TRAP, 46 MLXSW_SP_MR_ROUTE_ACTION_TRAP_AND_FORWARD, 47 }; 48 49 enum mlxsw_sp_mr_route_prio { 50 MLXSW_SP_MR_ROUTE_PRIO_SG, 51 MLXSW_SP_MR_ROUTE_PRIO_STARG, 52 MLXSW_SP_MR_ROUTE_PRIO_CATCHALL, 53 __MLXSW_SP_MR_ROUTE_PRIO_MAX 54 }; 55 56 #define MLXSW_SP_MR_ROUTE_PRIO_MAX (__MLXSW_SP_MR_ROUTE_PRIO_MAX - 1) 57 58 struct mlxsw_sp_mr_route_key { 59 int vrid; 60 enum mlxsw_sp_l3proto proto; 61 union mlxsw_sp_l3addr group; 62 union mlxsw_sp_l3addr group_mask; 63 union mlxsw_sp_l3addr source; 64 union mlxsw_sp_l3addr source_mask; 65 }; 66 67 struct mlxsw_sp_mr_route_info { 68 enum mlxsw_sp_mr_route_action route_action; 69 u16 irif_index; 70 u16 *erif_indices; 71 size_t erif_num; 72 u16 min_mtu; 73 }; 74 75 struct mlxsw_sp_mr_route_params { 76 struct mlxsw_sp_mr_route_key key; 77 struct mlxsw_sp_mr_route_info value; 78 enum mlxsw_sp_mr_route_prio prio; 79 }; 80 81 struct mlxsw_sp_mr_ops { 82 int priv_size; 83 int route_priv_size; 84 int (*init)(struct mlxsw_sp *mlxsw_sp, void *priv); 85 int (*route_create)(struct mlxsw_sp *mlxsw_sp, void *priv, 86 void *route_priv, 87 struct mlxsw_sp_mr_route_params *route_params); 88 int (*route_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 89 struct mlxsw_sp_mr_route_info *route_info); 90 int (*route_stats)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 91 u64 *packets, u64 *bytes); 92 int (*route_action_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 93 enum mlxsw_sp_mr_route_action route_action); 94 int (*route_min_mtu_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 95 u16 min_mtu); 96 int (*route_irif_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 97 u16 irif_index); 98 int (*route_erif_add)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 99 u16 erif_index); 100 int (*route_erif_del)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 101 u16 erif_index); 102 void (*route_destroy)(struct mlxsw_sp *mlxsw_sp, void *priv, 103 void *route_priv); 104 void (*fini)(void *priv); 105 }; 106 107 struct mlxsw_sp_mr; 108 struct mlxsw_sp_mr_table; 109 110 int mlxsw_sp_mr_init(struct mlxsw_sp *mlxsw_sp, 111 const struct mlxsw_sp_mr_ops *mr_ops); 112 void mlxsw_sp_mr_fini(struct mlxsw_sp *mlxsw_sp); 113 int mlxsw_sp_mr_route_add(struct mlxsw_sp_mr_table *mr_table, 114 struct mr_mfc *mfc, bool replace); 115 void mlxsw_sp_mr_route_del(struct mlxsw_sp_mr_table *mr_table, 116 struct mr_mfc *mfc); 117 int mlxsw_sp_mr_vif_add(struct mlxsw_sp_mr_table *mr_table, 118 struct net_device *dev, vifi_t vif_index, 119 unsigned long vif_flags, 120 const struct mlxsw_sp_rif *rif); 121 void mlxsw_sp_mr_vif_del(struct mlxsw_sp_mr_table *mr_table, vifi_t vif_index); 122 int mlxsw_sp_mr_rif_add(struct mlxsw_sp_mr_table *mr_table, 123 const struct mlxsw_sp_rif *rif); 124 void mlxsw_sp_mr_rif_del(struct mlxsw_sp_mr_table *mr_table, 125 const struct mlxsw_sp_rif *rif); 126 void mlxsw_sp_mr_rif_mtu_update(struct mlxsw_sp_mr_table *mr_table, 127 const struct mlxsw_sp_rif *rif, int mtu); 128 struct mlxsw_sp_mr_table *mlxsw_sp_mr_table_create(struct mlxsw_sp *mlxsw_sp, 129 u32 tb_id, 130 enum mlxsw_sp_l3proto proto); 131 void mlxsw_sp_mr_table_destroy(struct mlxsw_sp_mr_table *mr_table); 132 void mlxsw_sp_mr_table_flush(struct mlxsw_sp_mr_table *mr_table); 133 bool mlxsw_sp_mr_table_empty(const struct mlxsw_sp_mr_table *mr_table); 134 135 #endif 136