171 lines
6.3 KiB
C
171 lines
6.3 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
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/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
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#ifndef _MLXSW_ROUTER_H_
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#define _MLXSW_ROUTER_H_
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#include "spectrum.h"
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#include "reg.h"
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struct mlxsw_sp_router_nve_decap {
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u32 ul_tb_id;
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u32 tunnel_index;
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enum mlxsw_sp_l3proto ul_proto;
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union mlxsw_sp_l3addr ul_sip;
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u8 valid:1;
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};
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/* gen_pool_alloc() returns 0 when allocation fails, so use an offset */
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#define MLXSW_SP_ROUTER_GENALLOC_OFFSET 0x100
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struct mlxsw_sp_router {
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struct mlxsw_sp *mlxsw_sp;
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struct gen_pool *rifs_table;
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struct mlxsw_sp_rif **rifs;
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struct idr rif_mac_profiles_idr;
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atomic_t rif_mac_profiles_count;
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atomic_t rifs_count;
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u8 max_rif_mac_profile;
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struct mlxsw_sp_vr *vrs;
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struct rhashtable neigh_ht;
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struct rhashtable nexthop_group_ht;
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struct rhashtable nexthop_ht;
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struct list_head nexthop_list;
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struct {
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/* One tree for each protocol: IPv4 and IPv6 */
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struct mlxsw_sp_lpm_tree *proto_trees[2];
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struct mlxsw_sp_lpm_tree *trees;
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unsigned int tree_count;
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} lpm;
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struct {
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struct delayed_work dw;
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unsigned long interval; /* ms */
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atomic_t neigh_count;
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} neighs_update;
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struct delayed_work nexthop_probe_dw;
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#define MLXSW_SP_UNRESOLVED_NH_PROBE_INTERVAL 5000 /* ms */
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struct list_head nexthop_neighs_list;
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struct list_head ipip_list;
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struct notifier_block nexthop_nb;
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struct notifier_block fib_nb;
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struct notifier_block netevent_nb;
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struct notifier_block inetaddr_nb;
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struct notifier_block inet6addr_nb;
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struct notifier_block netdevice_nb;
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const struct mlxsw_sp_rif_ops **rif_ops_arr;
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const struct mlxsw_sp_ipip_ops **ipip_ops_arr;
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struct mlxsw_sp_router_nve_decap nve_decap_config;
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struct mutex lock; /* Protects shared router resources */
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struct mlxsw_sp_fib_entry_op_ctx *ll_op_ctx;
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u16 lb_rif_index;
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const struct mlxsw_sp_adj_grp_size_range *adj_grp_size_ranges;
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size_t adj_grp_size_ranges_count;
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struct delayed_work nh_grp_activity_dw;
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struct list_head nh_res_grp_list;
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bool inc_parsing_depth;
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refcount_t num_groups;
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u32 adj_trap_index;
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};
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struct mlxsw_sp_rif_ipip_lb;
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struct mlxsw_sp_rif_ipip_lb_config {
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enum mlxsw_reg_ritr_loopback_ipip_type lb_ipipt;
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u32 okey;
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enum mlxsw_sp_l3proto ul_protocol; /* Underlay. */
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union mlxsw_sp_l3addr saddr;
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};
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enum mlxsw_sp_rif_counter_dir {
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MLXSW_SP_RIF_COUNTER_INGRESS,
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MLXSW_SP_RIF_COUNTER_EGRESS,
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};
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struct mlxsw_sp_neigh_entry;
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struct mlxsw_sp_nexthop;
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struct mlxsw_sp_ipip_entry;
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struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp,
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u16 rif_index);
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u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif);
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u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif);
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u16 mlxsw_sp_ipip_lb_ul_rif_id(const struct mlxsw_sp_rif_ipip_lb *lb_rif);
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u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev);
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int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif);
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const struct net_device *mlxsw_sp_rif_dev(const struct mlxsw_sp_rif *rif);
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int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_rif *rif,
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enum mlxsw_sp_rif_counter_dir dir,
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u64 *cnt);
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void mlxsw_sp_rif_counter_free(struct mlxsw_sp_rif *rif,
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enum mlxsw_sp_rif_counter_dir dir);
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int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp_rif *rif,
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enum mlxsw_sp_rif_counter_dir dir);
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struct mlxsw_sp_neigh_entry *
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mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif,
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struct mlxsw_sp_neigh_entry *neigh_entry);
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int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry);
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unsigned char *
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mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry);
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u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
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struct in6_addr *
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mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
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#define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \
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for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \
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neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry))
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int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_neigh_entry *neigh_entry,
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u64 *p_counter);
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void
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mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_neigh_entry *neigh_entry,
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bool adding);
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bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry);
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int __mlxsw_sp_ipip_entry_update_tunnel(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_ipip_entry *ipip_entry,
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bool recreate_loopback,
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bool keep_encap,
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bool update_nexthops,
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struct netlink_ext_ack *extack);
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void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_ipip_entry *ipip_entry);
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bool
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mlxsw_sp_ipip_demote_tunnel_by_saddr(struct mlxsw_sp *mlxsw_sp,
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enum mlxsw_sp_l3proto ul_proto,
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union mlxsw_sp_l3addr saddr,
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u32 ul_tb_id,
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const struct mlxsw_sp_ipip_entry *except);
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struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router,
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struct mlxsw_sp_nexthop *nh);
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bool mlxsw_sp_nexthop_is_forward(const struct mlxsw_sp_nexthop *nh);
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unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh);
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int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index,
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u32 *p_adj_size, u32 *p_adj_hash_index);
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struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh);
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bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh);
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#define mlxsw_sp_nexthop_for_each(nh, router) \
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for (nh = mlxsw_sp_nexthop_next(router, NULL); nh; \
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nh = mlxsw_sp_nexthop_next(router, nh))
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int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_nexthop *nh, u64 *p_counter);
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int mlxsw_sp_nexthop_eth_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
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struct mlxsw_sp_nexthop *nh, bool force,
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char *ratr_pl);
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void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_nexthop *nh);
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void mlxsw_sp_nexthop_counter_free(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_nexthop *nh);
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static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1,
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const union mlxsw_sp_l3addr *addr2)
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{
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return !memcmp(addr1, addr2, sizeof(*addr1));
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}
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int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp);
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int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp);
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struct net_device *
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mlxsw_sp_ipip_netdev_ul_dev_get(const struct net_device *ol_dev);
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#endif /* _MLXSW_ROUTER_H_*/
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