drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h

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