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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h166
1 files changed, 166 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h
new file mode 100644
index 000000000..c5dfb972b
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h
@@ -0,0 +1,166 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
+/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
+
+#ifndef _MLXSW_ROUTER_H_
+#define _MLXSW_ROUTER_H_
+
+#include "spectrum.h"
+#include "reg.h"
+
+struct mlxsw_sp_router_nve_decap {
+ u32 ul_tb_id;
+ u32 tunnel_index;
+ enum mlxsw_sp_l3proto ul_proto;
+ union mlxsw_sp_l3addr ul_sip;
+ u8 valid:1;
+};
+
+struct mlxsw_sp_router {
+ struct mlxsw_sp *mlxsw_sp;
+ struct mlxsw_sp_rif **rifs;
+ struct idr rif_mac_profiles_idr;
+ atomic_t rif_mac_profiles_count;
+ atomic_t rifs_count;
+ u8 max_rif_mac_profile;
+ struct mlxsw_sp_vr *vrs;
+ struct rhashtable neigh_ht;
+ struct rhashtable nexthop_group_ht;
+ struct rhashtable nexthop_ht;
+ struct list_head nexthop_list;
+ struct {
+ /* One tree for each protocol: IPv4 and IPv6 */
+ struct mlxsw_sp_lpm_tree *proto_trees[2];
+ struct mlxsw_sp_lpm_tree *trees;
+ unsigned int tree_count;
+ } lpm;
+ struct {
+ struct delayed_work dw;
+ unsigned long interval; /* ms */
+ atomic_t neigh_count;
+ } neighs_update;
+ struct delayed_work nexthop_probe_dw;
+#define MLXSW_SP_UNRESOLVED_NH_PROBE_INTERVAL 5000 /* ms */
+ struct list_head nexthop_neighs_list;
+ struct list_head ipip_list;
+ struct notifier_block nexthop_nb;
+ struct notifier_block fib_nb;
+ struct notifier_block netevent_nb;
+ struct notifier_block inetaddr_nb;
+ struct notifier_block inet6addr_nb;
+ struct notifier_block netdevice_nb;
+ const struct mlxsw_sp_rif_ops **rif_ops_arr;
+ const struct mlxsw_sp_ipip_ops **ipip_ops_arr;
+ struct mlxsw_sp_router_nve_decap nve_decap_config;
+ struct mutex lock; /* Protects shared router resources */
+ struct mlxsw_sp_fib_entry_op_ctx *ll_op_ctx;
+ u16 lb_rif_index;
+ const struct mlxsw_sp_adj_grp_size_range *adj_grp_size_ranges;
+ size_t adj_grp_size_ranges_count;
+ struct delayed_work nh_grp_activity_dw;
+ struct list_head nh_res_grp_list;
+ bool inc_parsing_depth;
+ refcount_t num_groups;
+ u32 adj_trap_index;
+};
+
+struct mlxsw_sp_rif_ipip_lb;
+struct mlxsw_sp_rif_ipip_lb_config {
+ enum mlxsw_reg_ritr_loopback_ipip_type lb_ipipt;
+ u32 okey;
+ enum mlxsw_sp_l3proto ul_protocol; /* Underlay. */
+ union mlxsw_sp_l3addr saddr;
+};
+
+enum mlxsw_sp_rif_counter_dir {
+ MLXSW_SP_RIF_COUNTER_INGRESS,
+ MLXSW_SP_RIF_COUNTER_EGRESS,
+};
+
+struct mlxsw_sp_neigh_entry;
+struct mlxsw_sp_nexthop;
+struct mlxsw_sp_ipip_entry;
+
+struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp,
+ u16 rif_index);
+u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif);
+u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif);
+u16 mlxsw_sp_ipip_lb_ul_rif_id(const struct mlxsw_sp_rif_ipip_lb *lb_rif);
+u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev);
+int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif);
+const struct net_device *mlxsw_sp_rif_dev(const struct mlxsw_sp_rif *rif);
+int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_rif *rif,
+ enum mlxsw_sp_rif_counter_dir dir,
+ u64 *cnt);
+void mlxsw_sp_rif_counter_free(struct mlxsw_sp_rif *rif,
+ enum mlxsw_sp_rif_counter_dir dir);
+int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp_rif *rif,
+ enum mlxsw_sp_rif_counter_dir dir);
+struct mlxsw_sp_neigh_entry *
+mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif,
+ struct mlxsw_sp_neigh_entry *neigh_entry);
+int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry);
+unsigned char *
+mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry);
+u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
+struct in6_addr *
+mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
+
+#define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif) \
+ for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry; \
+ neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry))
+int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_neigh_entry *neigh_entry,
+ u64 *p_counter);
+void
+mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_neigh_entry *neigh_entry,
+ bool adding);
+bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry);
+int __mlxsw_sp_ipip_entry_update_tunnel(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_ipip_entry *ipip_entry,
+ bool recreate_loopback,
+ bool keep_encap,
+ bool update_nexthops,
+ struct netlink_ext_ack *extack);
+void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_ipip_entry *ipip_entry);
+bool
+mlxsw_sp_ipip_demote_tunnel_by_saddr(struct mlxsw_sp *mlxsw_sp,
+ enum mlxsw_sp_l3proto ul_proto,
+ union mlxsw_sp_l3addr saddr,
+ u32 ul_tb_id,
+ const struct mlxsw_sp_ipip_entry *except);
+struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router,
+ struct mlxsw_sp_nexthop *nh);
+bool mlxsw_sp_nexthop_is_forward(const struct mlxsw_sp_nexthop *nh);
+unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh);
+int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index,
+ u32 *p_adj_size, u32 *p_adj_hash_index);
+struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh);
+bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh);
+#define mlxsw_sp_nexthop_for_each(nh, router) \
+ for (nh = mlxsw_sp_nexthop_next(router, NULL); nh; \
+ nh = mlxsw_sp_nexthop_next(router, nh))
+int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop *nh, u64 *p_counter);
+int mlxsw_sp_nexthop_eth_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
+ struct mlxsw_sp_nexthop *nh, bool force,
+ char *ratr_pl);
+void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop *nh);
+void mlxsw_sp_nexthop_counter_free(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_nexthop *nh);
+
+static inline bool mlxsw_sp_l3addr_eq(const union mlxsw_sp_l3addr *addr1,
+ const union mlxsw_sp_l3addr *addr2)
+{
+ return !memcmp(addr1, addr2, sizeof(*addr1));
+}
+
+int mlxsw_sp_ipip_ecn_encap_init(struct mlxsw_sp *mlxsw_sp);
+int mlxsw_sp_ipip_ecn_decap_init(struct mlxsw_sp *mlxsw_sp);
+struct net_device *
+mlxsw_sp_ipip_netdev_ul_dev_get(const struct net_device *ol_dev);
+
+#endif /* _MLXSW_ROUTER_H_*/