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 struct mlxsw_sp_router { 19 struct mlxsw_sp *mlxsw_sp; 20 struct mlxsw_sp_rif **rifs; 21 struct idr rif_mac_profiles_idr; 22 atomic_t rif_mac_profiles_count; 23 atomic_t rifs_count; 24 u8 max_rif_mac_profile; 25 struct mlxsw_sp_vr *vrs; 26 struct rhashtable neigh_ht; 27 struct rhashtable nexthop_group_ht; 28 struct rhashtable nexthop_ht; 29 struct list_head nexthop_list; 30 struct { 31 /* One tree for each protocol: IPv4 and IPv6 */ 32 struct mlxsw_sp_lpm_tree *proto_trees[2]; 33 struct mlxsw_sp_lpm_tree *trees; 34 unsigned int tree_count; 35 } lpm; 36 struct { 37 struct delayed_work dw; 38 unsigned long interval; /* ms */ 39 atomic_t neigh_count; 40 } neighs_update; 41 struct delayed_work nexthop_probe_dw; 42 #define MLXSW_SP_UNRESOLVED_NH_PROBE_INTERVAL 5000 /* ms */ 43 struct list_head nexthop_neighs_list; 44 struct list_head ipip_list; 45 struct notifier_block nexthop_nb; 46 struct notifier_block fib_nb; 47 struct notifier_block netevent_nb; 48 struct notifier_block inetaddr_nb; 49 struct notifier_block inet6addr_nb; 50 struct notifier_block netdevice_nb; 51 const struct mlxsw_sp_rif_ops **rif_ops_arr; 52 const struct mlxsw_sp_ipip_ops **ipip_ops_arr; 53 struct mlxsw_sp_router_nve_decap nve_decap_config; 54 struct mutex lock; /* Protects shared router resources */ 55 struct mlxsw_sp_fib_entry_op_ctx *ll_op_ctx; 56 u16 lb_rif_index; 57 const struct mlxsw_sp_adj_grp_size_range *adj_grp_size_ranges; 58 size_t adj_grp_size_ranges_count; 59 struct delayed_work nh_grp_activity_dw; 60 struct list_head nh_res_grp_list; 61 bool inc_parsing_depth; 62 refcount_t num_groups; 63 u32 adj_trap_index; 64 }; 65 66 struct mlxsw_sp_rif_ipip_lb; 67 struct mlxsw_sp_rif_ipip_lb_config { 68 enum mlxsw_reg_ritr_loopback_ipip_type lb_ipipt; 69 u32 okey; 70 enum mlxsw_sp_l3proto ul_protocol; /* Underlay. */ 71 union mlxsw_sp_l3addr saddr; 72 }; 73 74 enum mlxsw_sp_rif_counter_dir { 75 MLXSW_SP_RIF_COUNTER_INGRESS, 76 MLXSW_SP_RIF_COUNTER_EGRESS, 77 }; 78 79 struct mlxsw_sp_neigh_entry; 80 struct mlxsw_sp_nexthop; 81 struct mlxsw_sp_ipip_entry; 82 83 struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp, 84 u16 rif_index); 85 u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif); 86 u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif); 87 u16 mlxsw_sp_ipip_lb_ul_rif_id(const struct mlxsw_sp_rif_ipip_lb *lb_rif); 88 u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev); 89 int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif); 90 const struct net_device *mlxsw_sp_rif_dev(const struct mlxsw_sp_rif *rif); 91 int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp, 92 struct mlxsw_sp_rif *rif, 93 enum mlxsw_sp_rif_counter_dir dir, 94 u64 *cnt); 95 void mlxsw_sp_rif_counter_free(struct mlxsw_sp_rif *rif, 96 enum mlxsw_sp_rif_counter_dir dir); 97 int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp_rif *rif, 98 enum mlxsw_sp_rif_counter_dir dir); 99 struct mlxsw_sp_neigh_entry * 100 mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif, 101 struct mlxsw_sp_neigh_entry *neigh_entry); 102 int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry); 103 unsigned char * 104 mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry); 105 u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 106 struct in6_addr * 107 mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 108 109 #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \ 110 for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \ 111 neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry)) 112 int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp, 113 struct mlxsw_sp_neigh_entry *neigh_entry, 114 u64 *p_counter); 115 void 116 mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp, 117 struct mlxsw_sp_neigh_entry *neigh_entry, 118 bool adding); 119 bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry); 120 int __mlxsw_sp_ipip_entry_update_tunnel(struct mlxsw_sp *mlxsw_sp, 121 struct mlxsw_sp_ipip_entry *ipip_entry, 122 bool recreate_loopback, 123 bool keep_encap, 124 bool update_nexthops, 125 struct netlink_ext_ack *extack); 126 void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp, 127 struct mlxsw_sp_ipip_entry *ipip_entry); 128 bool 129 mlxsw_sp_ipip_demote_tunnel_by_saddr(struct mlxsw_sp *mlxsw_sp, 130 enum mlxsw_sp_l3proto ul_proto, 131 union mlxsw_sp_l3addr saddr, 132 u32 ul_tb_id, 133 const struct mlxsw_sp_ipip_entry *except); 134 struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router, 135 struct mlxsw_sp_nexthop *nh); 136 bool mlxsw_sp_nexthop_is_forward(const struct mlxsw_sp_nexthop *nh); 137 unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh); 138 int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index, 139 u32 *p_adj_size, u32 *p_adj_hash_index); 140 struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh); 141 bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh); 142 #define mlxsw_sp_nexthop_for_each(nh, router) \ 143 for (nh = mlxsw_sp_nexthop_next(router, NULL); nh; \ 144 nh = mlxsw_sp_nexthop_next(router, nh)) 145 int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp, 146 struct mlxsw_sp_nexthop *nh, u64 *p_counter); 147 int mlxsw_sp_nexthop_eth_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index, 148 struct mlxsw_sp_nexthop *nh, bool force, 149 char *ratr_pl); 150 void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp, 151 struct mlxsw_sp_nexthop *nh); 152 void mlxsw_sp_nexthop_counter_free(struct mlxsw_sp *mlxsw_sp, 153 struct mlxsw_sp_nexthop *nh); 154 155 static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1, 156 const union mlxsw_sp_l3addr *addr2) 157 { 158 return !memcmp(addr1, addr2, sizeof(*addr1)); 159 } 160 161 int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp); 162 int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp); 163 struct net_device * 164 mlxsw_sp_ipip_netdev_ul_dev_get(const struct net_device *ol_dev); 165 166 #endif /* _MLXSW_ROUTER_H_*/ 167