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