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_rif_id(const struct mlxsw_sp_rif_ipip_lb *lb_rif);
94 u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev);
95 int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif);
96 bool mlxsw_sp_rif_has_dev(const struct mlxsw_sp_rif *rif);
97 bool mlxsw_sp_rif_dev_is(const struct mlxsw_sp_rif *rif,
98 const struct net_device *dev);
99 int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp,
100 struct mlxsw_sp_rif *rif,
101 enum mlxsw_sp_rif_counter_dir dir,
102 u64 *cnt);
103 void mlxsw_sp_rif_counter_free(struct mlxsw_sp_rif *rif,
104 enum mlxsw_sp_rif_counter_dir dir);
105 int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp_rif *rif,
106 enum mlxsw_sp_rif_counter_dir dir);
107 struct mlxsw_sp_neigh_entry *
108 mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif,
109 struct mlxsw_sp_neigh_entry *neigh_entry);
110 int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry);
111 unsigned char *
112 mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry);
113 u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
114 struct in6_addr *
115 mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
116
117 #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \
118 for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \
119 neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry))
120 int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp,
121 struct mlxsw_sp_neigh_entry *neigh_entry,
122 u64 *p_counter);
123 void
124 mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp,
125 struct mlxsw_sp_neigh_entry *neigh_entry,
126 bool adding);
127 bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry);
128 int __mlxsw_sp_ipip_entry_update_tunnel(struct mlxsw_sp *mlxsw_sp,
129 struct mlxsw_sp_ipip_entry *ipip_entry,
130 bool recreate_loopback,
131 bool keep_encap,
132 bool update_nexthops,
133 struct netlink_ext_ack *extack);
134 void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp,
135 struct mlxsw_sp_ipip_entry *ipip_entry);
136 bool
137 mlxsw_sp_ipip_demote_tunnel_by_saddr(struct mlxsw_sp *mlxsw_sp,
138 enum mlxsw_sp_l3proto ul_proto,
139 union mlxsw_sp_l3addr saddr,
140 u32 ul_tb_id,
141 const struct mlxsw_sp_ipip_entry *except);
142 struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router,
143 struct mlxsw_sp_nexthop *nh);
144 bool mlxsw_sp_nexthop_is_forward(const struct mlxsw_sp_nexthop *nh);
145 unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh);
146 int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index,
147 u32 *p_adj_size, u32 *p_adj_hash_index);
148 struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh);
149 bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh);
150 #define mlxsw_sp_nexthop_for_each(nh, router) \
151 for (nh = mlxsw_sp_nexthop_next(router, NULL); nh; \
152 nh = mlxsw_sp_nexthop_next(router, nh))
153 int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp,
154 struct mlxsw_sp_nexthop *nh, u64 *p_counter);
155 int mlxsw_sp_nexthop_eth_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
156 struct mlxsw_sp_nexthop *nh, bool force,
157 char *ratr_pl);
158 int mlxsw_sp_nexthop_counter_enable(struct mlxsw_sp *mlxsw_sp,
159 struct mlxsw_sp_nexthop *nh);
160 void mlxsw_sp_nexthop_counter_disable(struct mlxsw_sp *mlxsw_sp,
161 struct mlxsw_sp_nexthop *nh);
162
mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr * addr1,const union mlxsw_sp_l3addr * addr2)163 static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1,
164 const union mlxsw_sp_l3addr *addr2)
165 {
166 return !memcmp(addr1, addr2, sizeof(*addr1));
167 }
168
169 int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp);
170 int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp);
171 struct net_device *
172 mlxsw_sp_ipip_netdev_ul_dev_get(const struct net_device *ol_dev);
173 int mlxsw_sp_router_bridge_vlan_add(struct mlxsw_sp *mlxsw_sp,
174 struct net_device *dev,
175 u16 new_vid, bool is_pvid,
176 struct netlink_ext_ack *extack);
177 int mlxsw_sp_router_port_join_lag(struct mlxsw_sp_port *mlxsw_sp_port,
178 struct net_device *lag_dev,
179 struct netlink_ext_ack *extack);
180 void mlxsw_sp_router_port_leave_lag(struct mlxsw_sp_port *mlxsw_sp_port,
181 struct net_device *lag_dev);
182 int mlxsw_sp_netdevice_enslavement_replay(struct mlxsw_sp *mlxsw_sp,
183 struct net_device *upper_dev,
184 struct netlink_ext_ack *extack);
185 void mlxsw_sp_netdevice_deslavement_replay(struct mlxsw_sp *mlxsw_sp,
186 struct net_device *dev);
187
188 #endif /* _MLXSW_ROUTER_H_*/
189