/* * drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h * Copyright (c) 2017 Mellanox Technologies. All rights reserved. * Copyright (c) 2017 Arkadi Sharshevsky * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _MLXSW_ROUTER_H_ #define _MLXSW_ROUTER_H_ #include "spectrum.h" #include "reg.h" enum mlxsw_sp_l3proto { MLXSW_SP_L3_PROTO_IPV4, MLXSW_SP_L3_PROTO_IPV6, #define MLXSW_SP_L3_PROTO_MAX (MLXSW_SP_L3_PROTO_IPV6 + 1) }; union mlxsw_sp_l3addr { __be32 addr4; struct in6_addr addr6; }; struct mlxsw_sp_rif_ipip_lb; struct mlxsw_sp_rif_ipip_lb_config { enum mlxsw_reg_ritr_loopback_ipip_type lb_ipipt; u32 okey; enum mlxsw_sp_l3proto ul_protocol; /* Underlay. */ union mlxsw_sp_l3addr saddr; }; enum mlxsw_sp_rif_counter_dir { MLXSW_SP_RIF_COUNTER_INGRESS, MLXSW_SP_RIF_COUNTER_EGRESS, }; struct mlxsw_sp_neigh_entry; struct mlxsw_sp_nexthop; struct mlxsw_sp_ipip_entry; struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp, u16 rif_index); u16 mlxsw_sp_rif_index(const struct mlxsw_sp_rif *rif); u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif); u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif); u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev); int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif); u8 mlxsw_sp_router_port(const struct mlxsw_sp *mlxsw_sp); const struct net_device *mlxsw_sp_rif_dev(const struct mlxsw_sp_rif *rif); int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_rif *rif, enum mlxsw_sp_rif_counter_dir dir, u64 *cnt); void mlxsw_sp_rif_counter_free(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_rif *rif, enum mlxsw_sp_rif_counter_dir dir); int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_rif *rif, enum mlxsw_sp_rif_counter_dir dir); struct mlxsw_sp_neigh_entry * mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif, struct mlxsw_sp_neigh_entry *neigh_entry); int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry); unsigned char * mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry); u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); struct in6_addr * mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \ for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \ neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry)) int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry, u64 *p_counter); void mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry, bool adding); bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry); int __mlxsw_sp_ipip_entry_update_tunnel(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_ipip_entry *ipip_entry, bool recreate_loopback, bool keep_encap, bool update_nexthops, struct netlink_ext_ack *extack); void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_ipip_entry *ipip_entry); bool mlxsw_sp_ipip_demote_tunnel_by_saddr(struct mlxsw_sp *mlxsw_sp, enum mlxsw_sp_l3proto ul_proto, union mlxsw_sp_l3addr saddr, u32 ul_tb_id, const struct mlxsw_sp_ipip_entry *except); struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router, struct mlxsw_sp_nexthop *nh); bool mlxsw_sp_nexthop_offload(struct mlxsw_sp_nexthop *nh); unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh); int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index, u32 *p_adj_size, u32 *p_adj_hash_index); struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh); bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh); #define mlxsw_sp_nexthop_for_each(nh, router) \ for (nh = mlxsw_sp_nexthop_next(router, NULL); nh; \ nh = mlxsw_sp_nexthop_next(router, nh)) int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_nexthop *nh, u64 *p_counter); int mlxsw_sp_nexthop_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index, struct mlxsw_sp_nexthop *nh); void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_nexthop *nh); void mlxsw_sp_nexthop_counter_free(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_nexthop *nh); static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1, const union mlxsw_sp_l3addr *addr2) { return !memcmp(addr1, addr2, sizeof(*addr1)); } #endif /* _MLXSW_ROUTER_H_*/