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 10 struct 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 0x100 20 21 struct 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 73 struct mlxsw_sp_rif_ipip_lb; 74 struct 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 81 enum mlxsw_sp_rif_counter_dir { 82 MLXSW_SP_RIF_COUNTER_INGRESS, 83 MLXSW_SP_RIF_COUNTER_EGRESS, 84 }; 85 86 struct mlxsw_sp_neigh_entry; 87 struct mlxsw_sp_nexthop; 88 struct mlxsw_sp_ipip_entry; 89 90 struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp, 91 u16 rif_index); 92 u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif); 93 u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif); 94 u16 mlxsw_sp_ipip_lb_ul_rif_id(const struct mlxsw_sp_rif_ipip_lb *lb_rif); 95 u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev); 96 int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif); 97 bool mlxsw_sp_rif_has_dev(const struct mlxsw_sp_rif *rif); 98 bool mlxsw_sp_rif_dev_is(const struct mlxsw_sp_rif *rif, 99 const struct net_device *dev); 100 int 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); 104 void mlxsw_sp_rif_counter_free(struct mlxsw_sp_rif *rif, 105 enum mlxsw_sp_rif_counter_dir dir); 106 int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp_rif *rif, 107 enum mlxsw_sp_rif_counter_dir dir); 108 struct mlxsw_sp_neigh_entry * 109 mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif, 110 struct mlxsw_sp_neigh_entry *neigh_entry); 111 int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry); 112 unsigned char * 113 mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry); 114 u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 115 struct in6_addr * 116 mlxsw_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)) 121 int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp, 122 struct mlxsw_sp_neigh_entry *neigh_entry, 123 u64 *p_counter); 124 void 125 mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp, 126 struct mlxsw_sp_neigh_entry *neigh_entry, 127 bool adding); 128 bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry); 129 int __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); 135 void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp, 136 struct mlxsw_sp_ipip_entry *ipip_entry); 137 bool 138 mlxsw_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); 143 struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router, 144 struct mlxsw_sp_nexthop *nh); 145 bool mlxsw_sp_nexthop_is_forward(const struct mlxsw_sp_nexthop *nh); 146 unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh); 147 int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index, 148 u32 *p_adj_size, u32 *p_adj_hash_index); 149 struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh); 150 bool 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)) 154 int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp, 155 struct mlxsw_sp_nexthop *nh, u64 *p_counter); 156 int 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); 159 void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp, 160 struct mlxsw_sp_nexthop *nh); 161 void mlxsw_sp_nexthop_counter_free(struct mlxsw_sp *mlxsw_sp, 162 struct mlxsw_sp_nexthop *nh); 163 164 static 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 } 169 170 int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp); 171 int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp); 172 struct net_device * 173 mlxsw_sp_ipip_netdev_ul_dev_get(const struct net_device *ol_dev); 174 int 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); 178 int 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); 181 void mlxsw_sp_router_port_leave_lag(struct mlxsw_sp_port *mlxsw_sp_port, 182 struct net_device *lag_dev); 183 int mlxsw_sp_netdevice_enslavement_replay(struct mlxsw_sp *mlxsw_sp, 184 struct net_device *upper_dev, 185 struct netlink_ext_ack *extack); 186 void mlxsw_sp_netdevice_deslavement_replay(struct mlxsw_sp *mlxsw_sp, 187 struct net_device *dev); 188 189 #endif /* _MLXSW_ROUTER_H_*/ 190