1 /* 2 * drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h 3 * Copyright (c) 2017 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2017 Arkadi Sharshevsky <arkadis@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_ROUTER_H_ 36 #define _MLXSW_ROUTER_H_ 37 38 #include "spectrum.h" 39 #include "reg.h" 40 41 enum mlxsw_sp_l3proto { 42 MLXSW_SP_L3_PROTO_IPV4, 43 MLXSW_SP_L3_PROTO_IPV6, 44 }; 45 46 union mlxsw_sp_l3addr { 47 __be32 addr4; 48 struct in6_addr addr6; 49 }; 50 51 struct mlxsw_sp_rif_ipip_lb; 52 struct mlxsw_sp_rif_ipip_lb_config { 53 enum mlxsw_reg_ritr_loopback_ipip_type lb_ipipt; 54 u32 okey; 55 enum mlxsw_sp_l3proto ul_protocol; /* Underlay. */ 56 union mlxsw_sp_l3addr saddr; 57 }; 58 59 enum mlxsw_sp_rif_counter_dir { 60 MLXSW_SP_RIF_COUNTER_INGRESS, 61 MLXSW_SP_RIF_COUNTER_EGRESS, 62 }; 63 64 struct mlxsw_sp_neigh_entry; 65 66 struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp, 67 u16 rif_index); 68 u16 mlxsw_sp_rif_index(const struct mlxsw_sp_rif *rif); 69 u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif); 70 u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif); 71 int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif); 72 int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp, 73 struct mlxsw_sp_rif *rif, 74 enum mlxsw_sp_rif_counter_dir dir, 75 u64 *cnt); 76 void mlxsw_sp_rif_counter_free(struct mlxsw_sp *mlxsw_sp, 77 struct mlxsw_sp_rif *rif, 78 enum mlxsw_sp_rif_counter_dir dir); 79 int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp *mlxsw_sp, 80 struct mlxsw_sp_rif *rif, 81 enum mlxsw_sp_rif_counter_dir dir); 82 struct mlxsw_sp_neigh_entry * 83 mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif, 84 struct mlxsw_sp_neigh_entry *neigh_entry); 85 int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry); 86 unsigned char * 87 mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry); 88 u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 89 struct in6_addr * 90 mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 91 92 #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \ 93 for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \ 94 neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry)) 95 int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp, 96 struct mlxsw_sp_neigh_entry *neigh_entry, 97 u64 *p_counter); 98 void 99 mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp, 100 struct mlxsw_sp_neigh_entry *neigh_entry, 101 bool adding); 102 bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry); 103 union mlxsw_sp_l3addr 104 mlxsw_sp_ipip_netdev_saddr(enum mlxsw_sp_l3proto proto, 105 const struct net_device *ol_dev); 106 union mlxsw_sp_l3addr 107 mlxsw_sp_ipip_netdev_daddr(enum mlxsw_sp_l3proto proto, 108 const struct net_device *ol_dev); 109 __be32 mlxsw_sp_ipip_netdev_daddr4(const struct net_device *ol_dev); 110 111 #endif /* _MLXSW_ROUTER_H_*/ 112