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(p: addr1, q: addr2, size: 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 | |