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 "spectrum_router.h" 40 #include "spectrum.h" 41 42 enum mlxsw_sp_mr_route_action { 43 MLXSW_SP_MR_ROUTE_ACTION_FORWARD, 44 MLXSW_SP_MR_ROUTE_ACTION_TRAP, 45 MLXSW_SP_MR_ROUTE_ACTION_TRAP_AND_FORWARD, 46 }; 47 48 enum mlxsw_sp_mr_route_prio { 49 MLXSW_SP_MR_ROUTE_PRIO_SG, 50 MLXSW_SP_MR_ROUTE_PRIO_STARG, 51 MLXSW_SP_MR_ROUTE_PRIO_CATCHALL, 52 __MLXSW_SP_MR_ROUTE_PRIO_MAX 53 }; 54 55 #define MLXSW_SP_MR_ROUTE_PRIO_MAX (__MLXSW_SP_MR_ROUTE_PRIO_MAX - 1) 56 57 struct mlxsw_sp_mr_route_key { 58 int vrid; 59 enum mlxsw_sp_l3proto proto; 60 union mlxsw_sp_l3addr group; 61 union mlxsw_sp_l3addr group_mask; 62 union mlxsw_sp_l3addr source; 63 union mlxsw_sp_l3addr source_mask; 64 }; 65 66 struct mlxsw_sp_mr_route_info { 67 enum mlxsw_sp_mr_route_action route_action; 68 u16 irif_index; 69 u16 *erif_indices; 70 size_t erif_num; 71 u16 min_mtu; 72 }; 73 74 struct mlxsw_sp_mr_route_params { 75 struct mlxsw_sp_mr_route_key key; 76 struct mlxsw_sp_mr_route_info value; 77 enum mlxsw_sp_mr_route_prio prio; 78 }; 79 80 struct mlxsw_sp_mr_ops { 81 int priv_size; 82 int route_priv_size; 83 int (*init)(struct mlxsw_sp *mlxsw_sp, void *priv); 84 int (*route_create)(struct mlxsw_sp *mlxsw_sp, void *priv, 85 void *route_priv, 86 struct mlxsw_sp_mr_route_params *route_params); 87 int (*route_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 88 struct mlxsw_sp_mr_route_info *route_info); 89 int (*route_stats)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 90 u64 *packets, u64 *bytes); 91 int (*route_action_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 92 enum mlxsw_sp_mr_route_action route_action); 93 int (*route_min_mtu_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 94 u16 min_mtu); 95 int (*route_irif_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 96 u16 irif_index); 97 int (*route_erif_add)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 98 u16 erif_index); 99 int (*route_erif_del)(struct mlxsw_sp *mlxsw_sp, void *route_priv, 100 u16 erif_index); 101 void (*route_destroy)(struct mlxsw_sp *mlxsw_sp, void *priv, 102 void *route_priv); 103 void (*fini)(void *priv); 104 }; 105 106 struct mlxsw_sp_mr; 107 struct mlxsw_sp_mr_table; 108 109 int mlxsw_sp_mr_init(struct mlxsw_sp *mlxsw_sp, 110 const struct mlxsw_sp_mr_ops *mr_ops); 111 void mlxsw_sp_mr_fini(struct mlxsw_sp *mlxsw_sp); 112 int mlxsw_sp_mr_route4_add(struct mlxsw_sp_mr_table *mr_table, 113 struct mfc_cache *mfc, bool replace); 114 void mlxsw_sp_mr_route4_del(struct mlxsw_sp_mr_table *mr_table, 115 struct mfc_cache *mfc); 116 int mlxsw_sp_mr_vif_add(struct mlxsw_sp_mr_table *mr_table, 117 struct net_device *dev, vifi_t vif_index, 118 unsigned long vif_flags, 119 const struct mlxsw_sp_rif *rif); 120 void mlxsw_sp_mr_vif_del(struct mlxsw_sp_mr_table *mr_table, vifi_t vif_index); 121 int mlxsw_sp_mr_rif_add(struct mlxsw_sp_mr_table *mr_table, 122 const struct mlxsw_sp_rif *rif); 123 void mlxsw_sp_mr_rif_del(struct mlxsw_sp_mr_table *mr_table, 124 const struct mlxsw_sp_rif *rif); 125 void mlxsw_sp_mr_rif_mtu_update(struct mlxsw_sp_mr_table *mr_table, 126 const struct mlxsw_sp_rif *rif, int mtu); 127 struct mlxsw_sp_mr_table *mlxsw_sp_mr_table_create(struct mlxsw_sp *mlxsw_sp, 128 u32 tb_id, 129 enum mlxsw_sp_l3proto proto); 130 void mlxsw_sp_mr_table_destroy(struct mlxsw_sp_mr_table *mr_table); 131 void mlxsw_sp_mr_table_flush(struct mlxsw_sp_mr_table *mr_table); 132 bool mlxsw_sp_mr_table_empty(const struct mlxsw_sp_mr_table *mr_table); 133 134 #endif 135