LXR linux/drivers/net/ethernet/mellanox/mlxsw/spectrum

   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
  10struct mlxsw_sp_rif_ipip_lb;
  11struct 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
  18enum mlxsw_sp_rif_counter_dir {
  19        MLXSW_SP_RIF_COUNTER_INGRESS,
  20        MLXSW_SP_RIF_COUNTER_EGRESS,
  21};
  22
  23struct mlxsw_sp_neigh_entry;
  24struct mlxsw_sp_nexthop;
  25struct mlxsw_sp_ipip_entry;
  26
  27struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp,
  28                                           u16 rif_index);
  29u16 mlxsw_sp_rif_index(const struct mlxsw_sp_rif *rif);
  30u16 mlxsw_sp_ipip_lb_rif_index(const struct mlxsw_sp_rif_ipip_lb *rif);
  31u16 mlxsw_sp_ipip_lb_ul_vr_id(const struct mlxsw_sp_rif_ipip_lb *rif);
  32u16 mlxsw_sp_ipip_lb_ul_rif_id(const struct mlxsw_sp_rif_ipip_lb *lb_rif);
  33u32 mlxsw_sp_ipip_dev_ul_tb_id(const struct net_device *ol_dev);
  34int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif);
  35const struct net_device *mlxsw_sp_rif_dev(const struct mlxsw_sp_rif *rif);
  36int 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);
  40void mlxsw_sp_rif_counter_free(struct mlxsw_sp *mlxsw_sp,
  41                               struct mlxsw_sp_rif *rif,
  42                               enum mlxsw_sp_rif_counter_dir dir);
  43int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp *mlxsw_sp,
  44                               struct mlxsw_sp_rif *rif,
  45                               enum mlxsw_sp_rif_counter_dir dir);
  46struct mlxsw_sp_neigh_entry *
  47mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif,
  48                        struct mlxsw_sp_neigh_entry *neigh_entry);
  49int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry);
  50unsigned char *
  51mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry);
  52u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
  53struct in6_addr *
  54mlxsw_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))
  59int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp,
  60                               struct mlxsw_sp_neigh_entry *neigh_entry,
  61                               u64 *p_counter);
  62void
  63mlxsw_sp_neigh_entry_counter_update(struct mlxsw_sp *mlxsw_sp,
  64                                    struct mlxsw_sp_neigh_entry *neigh_entry,
  65                                    bool adding);
  66bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry);
  67int __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);
  73void mlxsw_sp_ipip_entry_demote_tunnel(struct mlxsw_sp *mlxsw_sp,
  74                                       struct mlxsw_sp_ipip_entry *ipip_entry);
  75bool
  76mlxsw_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);
  81struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router,
  82                                               struct mlxsw_sp_nexthop *nh);
  83bool mlxsw_sp_nexthop_offload(struct mlxsw_sp_nexthop *nh);
  84unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh);
  85int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index,
  86                             u32 *p_adj_size, u32 *p_adj_hash_index);
  87struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh);
  88bool 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))
  92int mlxsw_sp_nexthop_counter_get(struct mlxsw_sp *mlxsw_sp,
  93                                 struct mlxsw_sp_nexthop *nh, u64 *p_counter);
  94int mlxsw_sp_nexthop_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
  95                            struct mlxsw_sp_nexthop *nh);
  96void mlxsw_sp_nexthop_counter_alloc(struct mlxsw_sp *mlxsw_sp,
  97                                    struct mlxsw_sp_nexthop *nh);
  98void mlxsw_sp_nexthop_counter_free(struct mlxsw_sp *mlxsw_sp,
  99                                   struct mlxsw_sp_nexthop *nh);
 100
 101static 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_*/
 108