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 enum mlxsw_sp_l3proto { 11 MLXSW_SP_L3_PROTO_IPV4, 12 MLXSW_SP_L3_PROTO_IPV6, 13 #define MLXSW_SP_L3_PROTO_MAX (MLXSW_SP_L3_PROTO_IPV6 + 1) 14 }; 15 16 union mlxsw_sp_l3addr { 17 __be32 addr4; 18 struct in6_addr addr6; 19 }; 20 21 struct mlxsw_sp_rif_ipip_lb; 22 struct mlxsw_sp_rif_ipip_lb_config { 23 enum mlxsw_reg_ritr_loopback_ipip_type lb_ipipt; 24 u32 okey; 25 enum mlxsw_sp_l3proto ul_protocol; /* Underlay. */ 26 union mlxsw_sp_l3addr saddr; 27 }; 28 29 enum mlxsw_sp_rif_counter_dir { 30 MLXSW_SP_RIF_COUNTER_INGRESS, 31 MLXSW_SP_RIF_COUNTER_EGRESS, 32 }; 33 34 struct mlxsw_sp_neigh_entry; 35 struct mlxsw_sp_nexthop; 36 struct mlxsw_sp_ipip_entry; 37 38 struct mlxsw_sp_rif *mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp, 39 const struct net_device *dev); 40 struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp, 41 u16 rif_index); 42 u16 mlxsw_sp_rif_index(const struct mlxsw_sp_rif *rif); 43 u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif); 44 u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif); 45 u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev); 46 int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif); 47 u8 mlxsw_sp_router_port(const struct mlxsw_sp *mlxsw_sp); 48 const struct net_device *mlxsw_sp_rif_dev(const struct mlxsw_sp_rif *rif); 49 struct mlxsw_sp_fid *mlxsw_sp_rif_fid(const struct mlxsw_sp_rif *rif); 50 int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp, 51 struct mlxsw_sp_rif *rif, 52 enum mlxsw_sp_rif_counter_dir dir, 53 u64 *cnt); 54 void mlxsw_sp_rif_counter_free(struct mlxsw_sp *mlxsw_sp, 55 struct mlxsw_sp_rif *rif, 56 enum mlxsw_sp_rif_counter_dir dir); 57 int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp *mlxsw_sp, 58 struct mlxsw_sp_rif *rif, 59 enum mlxsw_sp_rif_counter_dir dir); 60 struct mlxsw_sp_neigh_entry * 61 mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif, 62 struct mlxsw_sp_neigh_entry *neigh_entry); 63 int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry); 64 unsigned char * 65 mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry); 66 u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 67 struct in6_addr * 68 mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry); 69 70 #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \ 71 for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \ 72 neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry)) 73 int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp, 74 struct mlxsw_sp_neigh_entry *neigh_entry, 75 u64 *p_counter); 76 void 77 mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp, 78 struct mlxsw_sp_neigh_entry *neigh_entry, 79 bool adding); 80 bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry); 81 int __mlxsw_sp_ipip_entry_update_tunnel(struct mlxsw_sp *mlxsw_sp, 82 struct mlxsw_sp_ipip_entry *ipip_entry, 83 bool recreate_loopback, 84 bool keep_encap, 85 bool update_nexthops, 86 struct netlink_ext_ack *extack); 87 void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp, 88 struct mlxsw_sp_ipip_entry *ipip_entry); 89 bool 90 mlxsw_sp_ipip_demote_tunnel_by_saddr(struct mlxsw_sp *mlxsw_sp, 91 enum mlxsw_sp_l3proto ul_proto, 92 union mlxsw_sp_l3addr saddr, 93 u32 ul_tb_id, 94 const struct mlxsw_sp_ipip_entry *except); 95 struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router, 96 struct mlxsw_sp_nexthop *nh); 97 bool mlxsw_sp_nexthop_offload(struct mlxsw_sp_nexthop *nh); 98 unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh); 99 int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index, 100 u32 *p_adj_size, u32 *p_adj_hash_index); 101 struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh); 102 bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh); 103 #define mlxsw_sp_nexthop_for_each(nh, router) \ 104 for (nh = mlxsw_sp_nexthop_next(router, NULL); nh; \ 105 nh = mlxsw_sp_nexthop_next(router, nh)) 106 int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp, 107 struct mlxsw_sp_nexthop *nh, u64 *p_counter); 108 int mlxsw_sp_nexthop_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index, 109 struct mlxsw_sp_nexthop *nh); 110 void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp, 111 struct mlxsw_sp_nexthop *nh); 112 void mlxsw_sp_nexthop_counter_free(struct mlxsw_sp *mlxsw_sp, 113 struct mlxsw_sp_nexthop *nh); 114 115 static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1, 116 const union mlxsw_sp_l3addr *addr2) 117 { 118 return !memcmp(addr1, addr2, sizeof(*addr1)); 119 } 120 121 #endif /* _MLXSW_ROUTER_H_*/ 122