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_rif_index(const struct mlxsw_sp_rif *rif); 86 u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif); 87 u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif); 88 u16 mlxsw_sp_ipip_lb_ul_rif_id(const struct mlxsw_sp_rif_ipip_lb *lb_rif); 89 u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev); 90 int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif); 91 const struct net_device *mlxsw_sp_rif_dev(const struct mlxsw_sp_rif *rif); 92 int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp, 93 struct mlxsw_sp_rif *rif, 94 enum mlxsw_sp_rif_counter_dir dir, 95 u64 *cnt); 96 void mlxsw_sp_rif_counter_free(struct mlxsw_sp_rif *rif, 97 enum mlxsw_sp_rif_counter_dir dir); 98 int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp_rif *rif, 99 enum mlxsw_sp_rif_counter_dir dir); 100 struct mlxsw_sp_neigh_entry * 101 mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif, 102 struct mlxsw_sp_neigh_entry *neigh_entry); 103 int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry); 104 unsigned char * 105 mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry); 106 u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 107 struct in6_addr * 108 mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 109 110 #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \ 111 for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \ 112 neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry)) 113 int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp, 114 struct mlxsw_sp_neigh_entry *neigh_entry, 115 u64 *p_counter); 116 void 117 mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp, 118 struct mlxsw_sp_neigh_entry *neigh_entry, 119 bool adding); 120 bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry); 121 int __mlxsw_sp_ipip_entry_update_tunnel(struct mlxsw_sp *mlxsw_sp, 122 struct mlxsw_sp_ipip_entry *ipip_entry, 123 bool recreate_loopback, 124 bool keep_encap, 125 bool update_nexthops, 126 struct netlink_ext_ack *extack); 127 void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp, 128 struct mlxsw_sp_ipip_entry *ipip_entry); 129 bool 130 mlxsw_sp_ipip_demote_tunnel_by_saddr(struct mlxsw_sp *mlxsw_sp, 131 enum mlxsw_sp_l3proto ul_proto, 132 union mlxsw_sp_l3addr saddr, 133 u32 ul_tb_id, 134 const struct mlxsw_sp_ipip_entry *except); 135 struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router, 136 struct mlxsw_sp_nexthop *nh); 137 bool mlxsw_sp_nexthop_is_forward(const struct mlxsw_sp_nexthop *nh); 138 unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh); 139 int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index, 140 u32 *p_adj_size, u32 *p_adj_hash_index); 141 struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh); 142 bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh); 143 #define mlxsw_sp_nexthop_for_each(nh, router) \ 144 for (nh = mlxsw_sp_nexthop_next(router, NULL); nh; \ 145 nh = mlxsw_sp_nexthop_next(router, nh)) 146 int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp, 147 struct mlxsw_sp_nexthop *nh, u64 *p_counter); 148 int mlxsw_sp_nexthop_eth_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index, 149 struct mlxsw_sp_nexthop *nh, bool force, 150 char *ratr_pl); 151 void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp, 152 struct mlxsw_sp_nexthop *nh); 153 void mlxsw_sp_nexthop_counter_free(struct mlxsw_sp *mlxsw_sp, 154 struct mlxsw_sp_nexthop *nh); 155 156 static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1, 157 const union mlxsw_sp_l3addr *addr2) 158 { 159 return !memcmp(addr1, addr2, sizeof(*addr1)); 160 } 161 162 int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp); 163 int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp); 164 struct net_device * 165 mlxsw_sp_ipip_netdev_ul_dev_get(const struct net_device *ol_dev); 166 167 #endif /* _MLXSW_ROUTER_H_*/ 168