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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */2/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */3 4#ifndef _MLXSW_ROUTER_H_5#define _MLXSW_ROUTER_H_6 7#include "spectrum.h"8#include "reg.h"9 10struct mlxsw_sp_router_nve_decap {11 u32 ul_tb_id;12 u32 tunnel_index;13 enum mlxsw_sp_l3proto ul_proto;14 union mlxsw_sp_l3addr ul_sip;15 u8 valid:1;16};17 18/* gen_pool_alloc() returns 0 when allocation fails, so use an offset */19#define MLXSW_SP_ROUTER_GENALLOC_OFFSET 0x10020 21struct mlxsw_sp_router {22 struct mlxsw_sp *mlxsw_sp;23 struct rhashtable crif_ht;24 struct gen_pool *rifs_table;25 struct mlxsw_sp_rif **rifs;26 struct idr rif_mac_profiles_idr;27 atomic_t rif_mac_profiles_count;28 atomic_t rifs_count;29 u8 max_rif_mac_profile;30 struct mlxsw_sp_vr *vrs;31 struct rhashtable neigh_ht;32 struct rhashtable nexthop_group_ht;33 struct rhashtable nexthop_ht;34 struct list_head nexthop_list;35 struct {36 /* One tree for each protocol: IPv4 and IPv6 */37 struct mlxsw_sp_lpm_tree *proto_trees[2];38 struct mlxsw_sp_lpm_tree *trees;39 unsigned int tree_count;40 } lpm;41 struct {42 struct delayed_work dw;43 unsigned long interval; /* ms */44 atomic_t neigh_count;45 } neighs_update;46 struct delayed_work nexthop_probe_dw;47#define MLXSW_SP_UNRESOLVED_NH_PROBE_INTERVAL 5000 /* ms */48 struct list_head nexthop_neighs_list;49 struct list_head ipip_list;50 struct notifier_block nexthop_nb;51 struct notifier_block fib_nb;52 struct notifier_block netevent_nb;53 struct notifier_block inetaddr_nb;54 struct notifier_block inet6addr_nb;55 struct notifier_block netdevice_nb;56 struct notifier_block inetaddr_valid_nb;57 struct notifier_block inet6addr_valid_nb;58 const struct mlxsw_sp_rif_ops **rif_ops_arr;59 const struct mlxsw_sp_ipip_ops **ipip_ops_arr;60 struct mlxsw_sp_router_nve_decap nve_decap_config;61 struct mutex lock; /* Protects shared router resources */62 struct mlxsw_sp_fib_entry_op_ctx *ll_op_ctx;63 struct mlxsw_sp_crif *lb_crif;64 const struct mlxsw_sp_adj_grp_size_range *adj_grp_size_ranges;65 size_t adj_grp_size_ranges_count;66 struct delayed_work nh_grp_activity_dw;67 struct list_head nh_res_grp_list;68 bool inc_parsing_depth;69 refcount_t num_groups;70 u32 adj_trap_index;71};72 73struct mlxsw_sp_rif_ipip_lb;74struct mlxsw_sp_rif_ipip_lb_config {75 enum mlxsw_reg_ritr_loopback_ipip_type lb_ipipt;76 u32 okey;77 enum mlxsw_sp_l3proto ul_protocol; /* Underlay. */78 union mlxsw_sp_l3addr saddr;79};80 81enum mlxsw_sp_rif_counter_dir {82 MLXSW_SP_RIF_COUNTER_INGRESS,83 MLXSW_SP_RIF_COUNTER_EGRESS,84};85 86struct mlxsw_sp_neigh_entry;87struct mlxsw_sp_nexthop;88struct mlxsw_sp_ipip_entry;89 90struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp,91 u16 rif_index);92u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif);93u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif);94u16 mlxsw_sp_ipip_lb_ul_rif_id(const struct mlxsw_sp_rif_ipip_lb *lb_rif);95u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev);96int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif);97bool mlxsw_sp_rif_has_dev(const struct mlxsw_sp_rif *rif);98bool mlxsw_sp_rif_dev_is(const struct mlxsw_sp_rif *rif,99 const struct net_device *dev);100int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp,101 struct mlxsw_sp_rif *rif,102 enum mlxsw_sp_rif_counter_dir dir,103 u64 *cnt);104void mlxsw_sp_rif_counter_free(struct mlxsw_sp_rif *rif,105 enum mlxsw_sp_rif_counter_dir dir);106int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp_rif *rif,107 enum mlxsw_sp_rif_counter_dir dir);108struct mlxsw_sp_neigh_entry *109mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif,110 struct mlxsw_sp_neigh_entry *neigh_entry);111int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry);112unsigned char *113mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry);114u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);115struct in6_addr *116mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);117 118#define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \119 for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \120 neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry))121int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp,122 struct mlxsw_sp_neigh_entry *neigh_entry,123 u64 *p_counter);124void125mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp,126 struct mlxsw_sp_neigh_entry *neigh_entry,127 bool adding);128bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry);129int __mlxsw_sp_ipip_entry_update_tunnel(struct mlxsw_sp *mlxsw_sp,130 struct mlxsw_sp_ipip_entry *ipip_entry,131 bool recreate_loopback,132 bool keep_encap,133 bool update_nexthops,134 struct netlink_ext_ack *extack);135void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp,136 struct mlxsw_sp_ipip_entry *ipip_entry);137bool138mlxsw_sp_ipip_demote_tunnel_by_saddr(struct mlxsw_sp *mlxsw_sp,139 enum mlxsw_sp_l3proto ul_proto,140 union mlxsw_sp_l3addr saddr,141 u32 ul_tb_id,142 const struct mlxsw_sp_ipip_entry *except);143struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router,144 struct mlxsw_sp_nexthop *nh);145bool mlxsw_sp_nexthop_is_forward(const struct mlxsw_sp_nexthop *nh);146unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh);147int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index,148 u32 *p_adj_size, u32 *p_adj_hash_index);149struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh);150bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh);151#define mlxsw_sp_nexthop_for_each(nh, router) \152 for (nh = mlxsw_sp_nexthop_next(router, NULL); nh; \153 nh = mlxsw_sp_nexthop_next(router, nh))154int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp,155 struct mlxsw_sp_nexthop *nh, u64 *p_counter);156int mlxsw_sp_nexthop_eth_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index,157 struct mlxsw_sp_nexthop *nh, bool force,158 char *ratr_pl);159int mlxsw_sp_nexthop_counter_enable(struct mlxsw_sp *mlxsw_sp,160 struct mlxsw_sp_nexthop *nh);161void mlxsw_sp_nexthop_counter_disable(struct mlxsw_sp *mlxsw_sp,162 struct mlxsw_sp_nexthop *nh);163 164static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1,165 const union mlxsw_sp_l3addr *addr2)166{167 return !memcmp(addr1, addr2, sizeof(*addr1));168}169 170int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp);171int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp);172struct net_device *173mlxsw_sp_ipip_netdev_ul_dev_get(const struct net_device *ol_dev);174int mlxsw_sp_router_bridge_vlan_add(struct mlxsw_sp *mlxsw_sp,175 struct net_device *dev,176 u16 new_vid, bool is_pvid,177 struct netlink_ext_ack *extack);178int mlxsw_sp_router_port_join_lag(struct mlxsw_sp_port *mlxsw_sp_port,179 struct net_device *lag_dev,180 struct netlink_ext_ack *extack);181void mlxsw_sp_router_port_leave_lag(struct mlxsw_sp_port *mlxsw_sp_port,182 struct net_device *lag_dev);183int mlxsw_sp_netdevice_enslavement_replay(struct mlxsw_sp *mlxsw_sp,184 struct net_device *upper_dev,185 struct netlink_ext_ack *extack);186void mlxsw_sp_netdevice_deslavement_replay(struct mlxsw_sp *mlxsw_sp,187 struct net_device *dev);188 189#endif /* _MLXSW_ROUTER_H_*/190