/* Definitions and macros. */
-#define MPLS_MAX_LABELS 2 /* Maximum # labels that can be pushed. */
+#define NHLFE_FAMILY(nhlfe) \
+ (((nhlfe)->nexthop->type == NEXTHOP_TYPE_IPV6 \
+ || (nhlfe)->nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX) \
+ ? AF_INET6 \
+ : AF_INET)
-#define NHLFE_FAMILY(nhlfe) \
- (((nhlfe)->nexthop->type == NEXTHOP_TYPE_IPV6 || \
- (nhlfe)->nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX) ? AF_INET6 : AF_INET)
-
-#define MPLS_LABEL_HELPSTR "Specify label(s) for this route\nOne or more " \
- "labels in the range (16-1048575) separated by '/'\n"
+#define MPLS_LABEL_HELPSTR \
+ "Specify label(s) for this route\nOne or more " \
+ "labels in the range (16-1048575) separated by '/'\n"
/* Typedefs */
/*
* (Outgoing) nexthop label forwarding entry configuration
*/
-struct zebra_snhlfe_t_
-{
- /* Nexthop information */
- enum nexthop_types_t gtype;
- union g_addr gate;
- char *ifname;
- ifindex_t ifindex;
+struct zebra_snhlfe_t_ {
+ /* Nexthop information */
+ enum nexthop_types_t gtype;
+ union g_addr gate;
+ char *ifname;
+ ifindex_t ifindex;
- /* Out label. */
- mpls_label_t out_label;
+ /* Out label. */
+ mpls_label_t out_label;
- /* Backpointer to base entry. */
- zebra_slsp_t *slsp;
+ /* Backpointer to base entry. */
+ zebra_slsp_t *slsp;
- /* Pointers to more outgoing information for same in-label */
- zebra_snhlfe_t *next;
- zebra_snhlfe_t *prev;
+ /* Pointers to more outgoing information for same in-label */
+ zebra_snhlfe_t *next;
+ zebra_snhlfe_t *prev;
};
/*
* (Outgoing) nexthop label forwarding entry
*/
-struct zebra_nhlfe_t_
-{
- /* Type of entry - static etc. */
- enum lsp_types_t type;
+struct zebra_nhlfe_t_ {
+ /* Type of entry - static etc. */
+ enum lsp_types_t type;
- /* Nexthop information (with outgoing label) */
- struct nexthop *nexthop;
+ /* Nexthop information (with outgoing label) */
+ struct nexthop *nexthop;
- /* Backpointer to base entry. */
- zebra_lsp_t *lsp;
+ /* Backpointer to base entry. */
+ zebra_lsp_t *lsp;
- /* Runtime info - flags, pointers etc. */
- u_int32_t flags;
+ /* Runtime info - flags, pointers etc. */
+ u_int32_t flags;
#define NHLFE_FLAG_CHANGED (1 << 0)
#define NHLFE_FLAG_SELECTED (1 << 1)
#define NHLFE_FLAG_MULTIPATH (1 << 2)
#define NHLFE_FLAG_DELETED (1 << 3)
#define NHLFE_FLAG_INSTALLED (1 << 4)
- zebra_nhlfe_t *next;
- zebra_nhlfe_t *prev;
- u_char distance;
+ zebra_nhlfe_t *next;
+ zebra_nhlfe_t *prev;
+ u_char distance;
};
/*
* Incoming label entry
*/
-struct zebra_ile_t_
-{
- mpls_label_t in_label;
+struct zebra_ile_t_ {
+ mpls_label_t in_label;
};
/*
* Label swap entry static configuration.
*/
-struct zebra_slsp_t_
-{
- /* Incoming label */
- zebra_ile_t ile;
-
- /* List of outgoing nexthop static configuration */
- zebra_snhlfe_t *snhlfe_list;
+struct zebra_slsp_t_ {
+ /* Incoming label */
+ zebra_ile_t ile;
+ /* List of outgoing nexthop static configuration */
+ zebra_snhlfe_t *snhlfe_list;
};
/*
* Label swap entry (ile -> list of nhlfes)
*/
-struct zebra_lsp_t_
-{
- /* Incoming label */
- zebra_ile_t ile;
+struct zebra_lsp_t_ {
+ /* Incoming label */
+ zebra_ile_t ile;
- /* List of NHLFE, pointer to best and num equal-cost. */
- zebra_nhlfe_t *nhlfe_list;
- zebra_nhlfe_t *best_nhlfe;
- u_int32_t num_ecmp;
+ /* List of NHLFE, pointer to best and num equal-cost. */
+ zebra_nhlfe_t *nhlfe_list;
+ zebra_nhlfe_t *best_nhlfe;
+ u_int32_t num_ecmp;
- /* Flags */
- u_int32_t flags;
+ /* Flags */
+ u_int32_t flags;
#define LSP_FLAG_SCHEDULED (1 << 0)
#define LSP_FLAG_INSTALLED (1 << 1)
#define LSP_FLAG_CHANGED (1 << 2)
- /* Address-family of NHLFE - saved here for delete. All NHLFEs */
- /* have to be of the same AF */
- u_char addr_family;
+ /* Address-family of NHLFE - saved here for delete. All NHLFEs */
+ /* have to be of the same AF */
+ u_char addr_family;
};
/*
* FEC to label binding.
*/
-struct zebra_fec_t_
-{
- /* FEC (prefix) */
- struct route_node *rn;
+struct zebra_fec_t_ {
+ /* FEC (prefix) */
+ struct route_node *rn;
- /* In-label - either statically bound or derived from label block. */
- mpls_label_t label;
+ /* In-label - either statically bound or derived from label block. */
+ mpls_label_t label;
- /* Label index (into global label block), if valid */
- u_int32_t label_index;
+ /* Label index (into global label block), if valid */
+ u_int32_t label_index;
- /* Flags. */
- u_int32_t flags;
+ /* Flags. */
+ u_int32_t flags;
#define FEC_FLAG_CONFIGURED (1 << 0)
- /* Clients interested in this FEC. */
- struct list *client_list;
+ /* Clients interested in this FEC. */
+ struct list *client_list;
};
/* Function declarations. */
/*
* String to label conversion, labels separated by '/'.
*/
-int
-mpls_str2label (const char *label_str, u_int8_t *num_labels,
- mpls_label_t *labels);
+int mpls_str2label(const char *label_str, u_int8_t *num_labels,
+ mpls_label_t *labels);
/*
* Label to string conversion, labels in string separated by '/'.
*/
-char *
-mpls_label2str (u_int8_t num_labels, mpls_label_t *labels,
- char *buf, int len, int pretty);
+char *mpls_label2str(u_int8_t num_labels, mpls_label_t *labels, char *buf,
+ int len, int pretty);
/*
* Add/update global label block.
*/
-int
-zebra_mpls_label_block_add (struct zebra_vrf *zvrf, u_int32_t start_label,
- u_int32_t end_label);
+int zebra_mpls_label_block_add(struct zebra_vrf *zvrf, u_int32_t start_label,
+ u_int32_t end_label);
/*
* Delete global label block.
*/
-int
-zebra_mpls_label_block_del (struct zebra_vrf *vrf);
+int zebra_mpls_label_block_del(struct zebra_vrf *vrf);
/*
* Display MPLS global label block configuration (VTY command handler).
*/
-int
-zebra_mpls_write_label_block_config (struct vty *vty, struct zebra_vrf *vrf);
+int zebra_mpls_write_label_block_config(struct vty *vty, struct zebra_vrf *vrf);
/*
* Install dynamic LSP entry.
*/
-int
-zebra_mpls_lsp_install (struct zebra_vrf *zvrf, struct route_node *rn, struct route_entry *re);
+int zebra_mpls_lsp_install(struct zebra_vrf *zvrf, struct route_node *rn,
+ struct route_entry *re);
/*
- * Uninstall dynamic LSP entry, if any.
+ * Uninstall dynamic LSP entry, if any.
*/
-int
-zebra_mpls_lsp_uninstall (struct zebra_vrf *zvrf, struct route_node *rn, struct route_entry *re);
+int zebra_mpls_lsp_uninstall(struct zebra_vrf *zvrf, struct route_node *rn,
+ struct route_entry *re);
/*
* Registration from a client for the label binding for a FEC. If a binding
* label from a locally configured label block (SRGB), if one exists and index
* is acceptable.
*/
-int
-zebra_mpls_fec_register (struct zebra_vrf *zvrf, struct prefix *p,
- u_int32_t label_index, struct zserv *client);
+int zebra_mpls_fec_register(struct zebra_vrf *zvrf, struct prefix *p,
+ u_int32_t label_index, struct zserv *client);
/*
* Deregistration from a client for the label binding for a FEC. The FEC
* itself is deleted if no other registered clients exist and there is no
* label bound to the FEC.
*/
-int
-zebra_mpls_fec_unregister (struct zebra_vrf *zvrf, struct prefix *p,
- struct zserv *client);
+int zebra_mpls_fec_unregister(struct zebra_vrf *zvrf, struct prefix *p,
+ struct zserv *client);
/*
* Cleanup any FECs registered by this client.
*/
-int
-zebra_mpls_cleanup_fecs_for_client (struct zebra_vrf *zvrf, struct zserv *client);
+int zebra_mpls_cleanup_fecs_for_client(struct zebra_vrf *zvrf,
+ struct zserv *client);
/*
* Return FEC (if any) to which this label is bound.
* TODO: Currently walks entire table, can optimize later with another
* hash..
*/
-zebra_fec_t *
-zebra_mpls_fec_for_label (struct zebra_vrf *zvrf, mpls_label_t label);
+zebra_fec_t *zebra_mpls_fec_for_label(struct zebra_vrf *zvrf,
+ mpls_label_t label);
/*
* Inform if specified label is currently bound to a FEC or not.
*/
-int
-zebra_mpls_label_already_bound (struct zebra_vrf *zvrf, mpls_label_t label);
+int zebra_mpls_label_already_bound(struct zebra_vrf *zvrf, mpls_label_t label);
/*
* Add static FEC to label binding. If there are clients registered for this
* FEC, notify them. If there are labeled routes for this FEC, install the
* label forwarding entry.
*/
-int
-zebra_mpls_static_fec_add (struct zebra_vrf *zvrf, struct prefix *p,
- mpls_label_t in_label);
+int zebra_mpls_static_fec_add(struct zebra_vrf *zvrf, struct prefix *p,
+ mpls_label_t in_label);
/*
* Remove static FEC to label binding. If there are no clients registered
* Note: Upon delete of static binding, if label index exists for this FEC,
* client may need to be updated with derived label.
*/
-int
-zebra_mpls_static_fec_del (struct zebra_vrf *zvrf, struct prefix *p);
+int zebra_mpls_static_fec_del(struct zebra_vrf *zvrf, struct prefix *p);
/*
* Display MPLS FEC to label binding configuration (VTY command handler).
*/
-int
-zebra_mpls_write_fec_config (struct vty *vty, struct zebra_vrf *zvrf);
+int zebra_mpls_write_fec_config(struct vty *vty, struct zebra_vrf *zvrf);
/*
* Display MPLS FEC to label binding (VTY command handler).
*/
-void
-zebra_mpls_print_fec_table (struct vty *vty, struct zebra_vrf *zvrf);
+void zebra_mpls_print_fec_table(struct vty *vty, struct zebra_vrf *zvrf);
/*
* Display MPLS FEC to label binding for a specific FEC (VTY command handler).
*/
-void
-zebra_mpls_print_fec (struct vty *vty, struct zebra_vrf *zvrf, struct prefix *p);
+void zebra_mpls_print_fec(struct vty *vty, struct zebra_vrf *zvrf,
+ struct prefix *p);
/*
* Install/uninstall a FEC-To-NHLFE (FTN) binding.
*/
-int
-mpls_ftn_update (int add, struct zebra_vrf *zvrf, enum lsp_types_t type,
- struct prefix *prefix, enum nexthop_types_t gtype,
- union g_addr *gate, ifindex_t ifindex, u_int8_t distance,
- mpls_label_t out_label);
+int mpls_ftn_update(int add, struct zebra_vrf *zvrf, enum lsp_types_t type,
+ struct prefix *prefix, enum nexthop_types_t gtype,
+ union g_addr *gate, ifindex_t ifindex, u_int8_t distance,
+ mpls_label_t out_label);
/*
* Install/update a NHLFE for an LSP in the forwarding table. This may be
* a new LSP entry or a new NHLFE for an existing in-label or an update of
* the out-label for an existing NHLFE (update case).
*/
-int
-mpls_lsp_install (struct zebra_vrf *zvrf, enum lsp_types_t type,
- mpls_label_t in_label, mpls_label_t out_label,
- enum nexthop_types_t gtype, union g_addr *gate,
- ifindex_t ifindex);
+int mpls_lsp_install(struct zebra_vrf *zvrf, enum lsp_types_t type,
+ mpls_label_t in_label, mpls_label_t out_label,
+ enum nexthop_types_t gtype, union g_addr *gate,
+ ifindex_t ifindex);
/*
* Uninstall a particular NHLFE in the forwarding table. If this is
* the only NHLFE, the entire LSP forwarding entry has to be deleted.
*/
-int
-mpls_lsp_uninstall (struct zebra_vrf *zvrf, enum lsp_types_t type,
- mpls_label_t in_label, enum nexthop_types_t gtype,
- union g_addr *gate, ifindex_t ifindex);
+int mpls_lsp_uninstall(struct zebra_vrf *zvrf, enum lsp_types_t type,
+ mpls_label_t in_label, enum nexthop_types_t gtype,
+ union g_addr *gate, ifindex_t ifindex);
/*
* Uninstall all LDP NHLFEs for a particular LSP forwarding entry.
* If no other NHLFEs exist, the entry would be deleted.
*/
-void
-mpls_ldp_lsp_uninstall_all (struct hash_backet *backet, void *ctxt);
+void mpls_ldp_lsp_uninstall_all(struct hash_backet *backet, void *ctxt);
/*
* Uninstall all LDP FEC-To-NHLFE (FTN) bindings of the given address-family.
*/
-void
-mpls_ldp_ftn_uninstall_all (struct zebra_vrf *zvrf, int afi);
+void mpls_ldp_ftn_uninstall_all(struct zebra_vrf *zvrf, int afi);
+
+/*
+ * Uninstall all Segment Routing NHLFEs for a particular LSP forwarding entry.
+ * If no other NHLFEs exist, the entry would be deleted.
+ */
+void mpls_sr_lsp_uninstall_all(struct hash_backet *backet, void *ctxt);
#if defined(HAVE_CUMULUS)
/*
* be consistent - i.e., all paths either do a swap or do PHP. This is due
* to current HW restrictions.
*/
-int
-zebra_mpls_lsp_label_consistent (struct zebra_vrf *zvrf, mpls_label_t in_label,
- mpls_label_t out_label, enum nexthop_types_t gtype,
- union g_addr *gate, ifindex_t ifindex);
+int zebra_mpls_lsp_label_consistent(struct zebra_vrf *zvrf,
+ mpls_label_t in_label,
+ mpls_label_t out_label,
+ enum nexthop_types_t gtype,
+ union g_addr *gate, ifindex_t ifindex);
#endif /* HAVE_CUMULUS */
/*
* Note: The label operation (swap or PHP) is common for the LSP entry (all
* NHLFEs).
*/
-int
-zebra_mpls_static_lsp_add (struct zebra_vrf *zvrf, mpls_label_t in_label,
- mpls_label_t out_label, enum nexthop_types_t gtype,
- union g_addr *gate, ifindex_t ifindex);
+int zebra_mpls_static_lsp_add(struct zebra_vrf *zvrf, mpls_label_t in_label,
+ mpls_label_t out_label,
+ enum nexthop_types_t gtype, union g_addr *gate,
+ ifindex_t ifindex);
/*
* Delete static LSP entry. This may be the delete of one particular
* NOTE: Delete of the only NHLFE will also end up deleting the entire
* LSP configuration.
*/
-int
-zebra_mpls_static_lsp_del (struct zebra_vrf *zvrf, mpls_label_t in_label,
- enum nexthop_types_t gtype, union g_addr *gate,
- ifindex_t ifindex);
+int zebra_mpls_static_lsp_del(struct zebra_vrf *zvrf, mpls_label_t in_label,
+ enum nexthop_types_t gtype, union g_addr *gate,
+ ifindex_t ifindex);
/*
* Schedule all MPLS label forwarding entries for processing.
* Called upon changes that may affect one or more of them such as
* interface or nexthop state changes.
*/
-void
-zebra_mpls_lsp_schedule (struct zebra_vrf *zvrf);
+void zebra_mpls_lsp_schedule(struct zebra_vrf *zvrf);
/*
* Display MPLS label forwarding table for a specific LSP
* (VTY command handler).
*/
-void
-zebra_mpls_print_lsp (struct vty *vty, struct zebra_vrf *zvrf, mpls_label_t label,
- u_char use_json);
+void zebra_mpls_print_lsp(struct vty *vty, struct zebra_vrf *zvrf,
+ mpls_label_t label, u_char use_json);
/*
* Display MPLS label forwarding table (VTY command handler).
*/
-void
-zebra_mpls_print_lsp_table (struct vty *vty, struct zebra_vrf *zvrf,
- u_char use_json);
+void zebra_mpls_print_lsp_table(struct vty *vty, struct zebra_vrf *zvrf,
+ u_char use_json);
/*
* Display MPLS LSP configuration of all static LSPs (VTY command handler).
*/
-int
-zebra_mpls_write_lsp_config (struct vty *vty, struct zebra_vrf *zvrf);
+int zebra_mpls_write_lsp_config(struct vty *vty, struct zebra_vrf *zvrf);
/*
* Called upon process exiting, need to delete LSP forwarding
* entries from the kernel.
* NOTE: Currently supported only for default VRF.
*/
-void
-zebra_mpls_close_tables (struct zebra_vrf *zvrf);
+void zebra_mpls_close_tables(struct zebra_vrf *zvrf);
/*
* Allocate MPLS tables for this VRF.
* NOTE: Currently supported only for default VRF.
*/
-void
-zebra_mpls_init_tables (struct zebra_vrf *zvrf);
+void zebra_mpls_init_tables(struct zebra_vrf *zvrf);
/*
* Global MPLS initialization.
*/
-void
-zebra_mpls_init (void);
+void zebra_mpls_init(void);
/*
* MPLS VTY.
*/
-void
-zebra_mpls_vty_init (void);
+void zebra_mpls_vty_init(void);
/* Inline functions. */
/*
* Distance (priority) definition for LSP NHLFE.
*/
-static inline u_char
-lsp_distance (enum lsp_types_t type)
+static inline u_char lsp_distance(enum lsp_types_t type)
{
- if (type == ZEBRA_LSP_STATIC)
- return (route_distance (ZEBRA_ROUTE_STATIC));
-
- return 150;
+ switch (type) {
+ case ZEBRA_LSP_STATIC:
+ return (route_distance(ZEBRA_ROUTE_STATIC));
+ case ZEBRA_LSP_LDP:
+ return (route_distance(ZEBRA_ROUTE_LDP));
+ case ZEBRA_LSP_BGP:
+ return (route_distance(ZEBRA_ROUTE_BGP));
+ default:
+ return 150;
+ }
}
/*
* Map RIB type to LSP type. Used when labeled-routes from BGP
* are converted into LSPs.
*/
-static inline enum lsp_types_t
-lsp_type_from_re_type (int re_type)
+static inline enum lsp_types_t lsp_type_from_re_type(int re_type)
+{
+ switch (re_type) {
+ case ZEBRA_ROUTE_STATIC:
+ return ZEBRA_LSP_STATIC;
+ case ZEBRA_ROUTE_BGP:
+ return ZEBRA_LSP_BGP;
+ default:
+ return ZEBRA_LSP_NONE;
+ }
+}
+
+/*
+ * Map LSP type to RIB type.
+ */
+static inline int re_type_from_lsp_type(enum lsp_types_t lsp_type)
{
- switch (re_type)
- {
- case ZEBRA_ROUTE_STATIC:
- return ZEBRA_LSP_STATIC;
- case ZEBRA_ROUTE_BGP:
- return ZEBRA_LSP_BGP;
- default:
- return ZEBRA_LSP_NONE;
- }
+ switch (lsp_type) {
+ case ZEBRA_LSP_STATIC:
+ return ZEBRA_ROUTE_STATIC;
+ case ZEBRA_LSP_LDP:
+ return ZEBRA_ROUTE_LDP;
+ case ZEBRA_LSP_BGP:
+ return ZEBRA_ROUTE_BGP;
+ case ZEBRA_LSP_SR:
+ return ZEBRA_ROUTE_OSPF;
+ case ZEBRA_LSP_NONE:
+ default:
+ return ZEBRA_ROUTE_KERNEL;
+ }
}
/* NHLFE type as printable string. */
-static inline const char *
-nhlfe_type2str(enum lsp_types_t lsp_type)
+static inline const char *nhlfe_type2str(enum lsp_types_t lsp_type)
{
- switch (lsp_type)
- {
- case ZEBRA_LSP_STATIC:
- return "Static";
- case ZEBRA_LSP_LDP:
- return "LDP";
- case ZEBRA_LSP_BGP:
- return "BGP";
- default:
- return "Unknown";
- }
+ switch (lsp_type) {
+ case ZEBRA_LSP_STATIC:
+ return "Static";
+ case ZEBRA_LSP_LDP:
+ return "LDP";
+ case ZEBRA_LSP_BGP:
+ return "BGP";
+ case ZEBRA_LSP_SR:
+ return "SR";
+ default:
+ return "Unknown";
+ }
}
-static inline void
-mpls_mark_lsps_for_processing(struct zebra_vrf *zvrf)
+static inline void mpls_mark_lsps_for_processing(struct zebra_vrf *zvrf)
{
- if (!zvrf)
- return;
+ if (!zvrf)
+ return;
- zvrf->mpls_flags |= MPLS_FLAG_SCHEDULE_LSPS;
+ zvrf->mpls_flags |= MPLS_FLAG_SCHEDULE_LSPS;
}
-static inline void
-mpls_unmark_lsps_for_processing(struct zebra_vrf *zvrf)
+static inline void mpls_unmark_lsps_for_processing(struct zebra_vrf *zvrf)
{
- if (!zvrf)
- return;
+ if (!zvrf)
+ return;
- zvrf->mpls_flags &= ~MPLS_FLAG_SCHEDULE_LSPS;
+ zvrf->mpls_flags &= ~MPLS_FLAG_SCHEDULE_LSPS;
}
-static inline int
-mpls_should_lsps_be_processed(struct zebra_vrf *zvrf)
+static inline int mpls_should_lsps_be_processed(struct zebra_vrf *zvrf)
{
- if (!zvrf)
- return 0;
+ if (!zvrf)
+ return 0;
- return ((zvrf->mpls_flags & MPLS_FLAG_SCHEDULE_LSPS) ? 1 : 0);
+ return ((zvrf->mpls_flags & MPLS_FLAG_SCHEDULE_LSPS) ? 1 : 0);
}
/* Global variables. */
projects / mirror_frr.git / blobdiff