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Diffstat (limited to '')
| -rw-r--r-- | zebra/zebra_vrf.h | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/zebra/zebra_vrf.h b/zebra/zebra_vrf.h new file mode 100644 index 0000000..5cbfab1 --- /dev/null +++ b/zebra/zebra_vrf.h @@ -0,0 +1,267 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Zebra Vrf Header + * Copyright (C) 2016 Cumulus Networks + * Donald Sharp + */ +#if !defined(__ZEBRA_VRF_H__) +#define __ZEBRA_VRF_H__ + +#include "vxlan.h" + +#include <zebra/zebra_ns.h> +#include <zebra/zebra_pw.h> +#include <zebra/rtadv.h> +#include <lib/vxlan.h> +#include "defaults.h" + +#ifdef __cplusplus +extern "C" { +#endif + +FRR_CFG_DEFAULT_BOOL(ZEBRA_IP_NHT_RESOLVE_VIA_DEFAULT, + { .val_bool = true, .match_profile = "traditional", }, + { .val_bool = false }, +); + +/* MPLS (Segment Routing) global block */ +struct mpls_srgb { + uint32_t start_label; + uint32_t end_label; +}; + +struct zebra_rmap { + char *name; + struct route_map *map; +}; + +PREDECL_RBTREE_UNIQ(otable); + +struct other_route_table { + struct otable_item next; + + afi_t afi; + safi_t safi; + uint32_t table_id; + + struct route_table *table; +}; + +/* Routing table instance. */ +struct zebra_vrf { + /* Back pointer */ + struct vrf *vrf; + + /* Description. */ + char *desc; + + /* FIB identifier. */ + uint8_t fib_id; + + /* Flags. */ + uint16_t flags; +#define ZEBRA_VRF_RETAIN (1 << 0) +#define ZEBRA_PIM_SEND_VXLAN_SG (1 << 1) + + uint32_t table_id; + + /* Routing table. */ + struct route_table *table[AFI_MAX][SAFI_MAX]; + + /* Recursive Nexthop table */ + struct route_table *rnh_table[AFI_MAX]; + struct route_table *rnh_table_multicast[AFI_MAX]; + + struct otable_head other_tables; + + /* 2nd pointer type used primarily to quell a warning on + * ALL_LIST_ELEMENTS_RO + */ + struct list _rid_all_sorted_list; + struct list _rid_lo_sorted_list; + struct list *rid_all_sorted_list; + struct list *rid_lo_sorted_list; + struct prefix rid_user_assigned; + struct list _rid6_all_sorted_list; + struct list _rid6_lo_sorted_list; + struct list *rid6_all_sorted_list; + struct list *rid6_lo_sorted_list; + struct prefix rid6_user_assigned; + + /* + * Back pointer to the owning namespace. + */ + struct zebra_ns *zns; + + /* MPLS Label to handle L3VPN <-> vrf popping */ + mpls_label_t label[AFI_MAX]; + uint8_t label_proto[AFI_MAX]; + + /* MPLS static LSP config table */ + struct hash *slsp_table; + + /* MPLS label forwarding table */ + struct hash *lsp_table; + + /* MPLS FEC binding table */ + struct route_table *fec_table[AFI_MAX]; + + /* MPLS Segment Routing Global block */ + struct mpls_srgb mpls_srgb; + + /* Pseudowires. */ + struct zebra_pw_head pseudowires; + struct zebra_static_pw_head static_pseudowires; + + struct zebra_rmap proto_rm[AFI_MAX][ZEBRA_ROUTE_MAX + 1]; + struct zebra_rmap nht_rm[AFI_MAX][ZEBRA_ROUTE_MAX + 1]; + + /* MPLS processing flags */ + uint16_t mpls_flags; +#define MPLS_FLAG_SCHEDULE_LSPS (1 << 0) + + /* + * EVPN hash table. Only in the EVPN instance. + */ + struct hash *evpn_table; + + /* + * Whether EVPN is enabled or not. Only in the EVPN instance. + */ + int advertise_all_vni; + + /* + * Whether we are advertising g/w macip in EVPN or not. + * Only in the EVPN instance. + */ + int advertise_gw_macip; + + int advertise_svi_macip; + + /* l3-vni info */ + vni_t l3vni; + + /* pim mroutes installed for vxlan flooding */ + struct hash *vxlan_sg_table; + + bool dup_addr_detect; + + int dad_time; + uint32_t dad_max_moves; + bool dad_freeze; + uint32_t dad_freeze_time; + + /* + * Flooding mechanism for BUM packets for VxLAN-EVPN. + */ + enum vxlan_flood_control vxlan_flood_ctrl; + + /* Install stats */ + uint64_t installs; + uint64_t removals; + uint64_t installs_queued; + uint64_t removals_queued; + uint64_t neigh_updates; + uint64_t lsp_installs_queued; + uint64_t lsp_removals_queued; + uint64_t lsp_installs; + uint64_t lsp_removals; + + struct table_manager *tbl_mgr; + + struct rtadv rtadv; + + bool zebra_rnh_ip_default_route; + bool zebra_rnh_ipv6_default_route; +}; +#define PROTO_RM_NAME(zvrf, afi, rtype) zvrf->proto_rm[afi][rtype].name +#define NHT_RM_NAME(zvrf, afi, rtype) zvrf->nht_rm[afi][rtype].name +#define PROTO_RM_MAP(zvrf, afi, rtype) zvrf->proto_rm[afi][rtype].map +#define NHT_RM_MAP(zvrf, afi, rtype) zvrf->nht_rm[afi][rtype].map + +/* + * special macro to allow us to get the correct zebra_vrf + */ +#define ZEBRA_DECLVAR_CONTEXT_VRF(vrfptr, zvrfptr) \ + VTY_DECLVAR_CONTEXT_VRF(vrfptr); \ + struct zebra_vrf *zvrfptr = vrfptr->info; \ + MACRO_REQUIRE_SEMICOLON() /* end */ + +static inline vrf_id_t zvrf_id(struct zebra_vrf *zvrf) +{ + if (!zvrf || !zvrf->vrf) + return VRF_DEFAULT; + return zvrf->vrf->vrf_id; +} + +static inline const char *zvrf_ns_name(struct zebra_vrf *zvrf) +{ + if (!zvrf->vrf || !zvrf->vrf->ns_ctxt) + return NULL; + return ns_get_name((struct ns *)zvrf->vrf->ns_ctxt); +} + +static inline const char *zvrf_name(struct zebra_vrf *zvrf) +{ + if (!zvrf || !zvrf->vrf) + return "Unknown"; + return zvrf->vrf->name; +} + +static inline bool zvrf_is_active(struct zebra_vrf *zvrf) +{ + return zvrf->vrf->status & VRF_ACTIVE; +} + +static inline int +zvrf_other_table_compare_func(const struct other_route_table *a, + const struct other_route_table *b) +{ + if (a->afi != b->afi) + return a->afi - b->afi; + + if (a->safi != b->safi) + return a->safi - b->safi; + + if (a->table_id != b->table_id) + return a->table_id - b->table_id; + + return 0; +} + +DECLARE_RBTREE_UNIQ(otable, struct other_route_table, next, + zvrf_other_table_compare_func); + +extern struct route_table * +zebra_vrf_lookup_table_with_table_id(afi_t afi, safi_t safi, vrf_id_t vrf_id, + uint32_t table_id); +extern struct route_table *zebra_vrf_get_table_with_table_id(afi_t afi, + safi_t safi, + vrf_id_t vrf_id, + uint32_t table_id); + +extern void zebra_vrf_update_all(struct zserv *client); +extern struct zebra_vrf *zebra_vrf_lookup_by_id(vrf_id_t vrf_id); +extern struct zebra_vrf *zebra_vrf_lookup_by_name(const char *); +extern vrf_id_t zebra_vrf_lookup_by_table(uint32_t table_id, ns_id_t ns_id); +extern struct zebra_vrf *zebra_vrf_alloc(struct vrf *vrf); +extern struct route_table *zebra_vrf_table(afi_t, safi_t, vrf_id_t); + +/* + * API to associate a VRF with a NETNS. + * Called either from vty or through discovery. + */ +extern int zebra_vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, + char *pathname, ns_id_t ext_ns_id, + ns_id_t ns_id, ns_id_t rel_def_ns_id); + +extern void zebra_vrf_init(void); + +extern void zebra_rtable_node_cleanup(struct route_table *table, + struct route_node *node); + +#ifdef __cplusplus +} +#endif + +#endif /* ZEBRA_VRF_H */ |