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365ea12ea1
Added also some debug lines if debug is on.
135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
/*
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* BIRD Internet Routing Daemon -- MPLS Structures
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*
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* (c) 2022 Ondrej Zajicek <santiago@crfreenet.org>
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* (c) 2022 CZ.NIC z.s.p.o.
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_MPLS_INTERNAL_H_
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#define _BIRD_MPLS_INTERNAL_H_
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#include "nest/bird.h"
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#include "lib/bitmap.h"
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#include "lib/hash.h"
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#include "nest/route.h"
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#include "nest/protocol.h"
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#include "nest/mpls.h"
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#include "lib/tlists.h"
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#define MPLS_DOMAIN_PUBLIC \
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node n; /* Node in global list of MPLS domains (mpls_domains) */ \
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const char *name; \
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DOMAIN(attrs) lock; \
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struct mpls_domain {
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MPLS_DOMAIN_PUBLIC;
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struct mpls_domain **locked_at;
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struct mpls_domain_config *cf; /* Our config */
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pool *pool; /* Pool for the domain and associated objects */
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struct lmap labels; /* Bitmap of allocated labels */
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uint label_count; /* Number of allocated labels */
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uint use_count; /* Reference counter */
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struct config *removed; /* Deconfigured, waiting for zero use_count,
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while keeping config obstacle */
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struct mpls_range *static_range; /* Direct static range pointer */
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list ranges; /* List of label ranges (struct mpls_range) */
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event range_cleanup; /* Event for asynchronous cleanup of removed ranges */
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};
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struct mpls_domain_pub {
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union {
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struct { MPLS_DOMAIN_PUBLIC; };
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struct mpls_domain priv;
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};
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};
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#define mpls_domain_private mpls_domain
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#define MPLS_DOMAIN_LOCK(_obj, _pobj) LOBJ_LOCK(_obj, _pobj, mpls_domain, attrs)
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#define MPLS_DOMAIN_LOCKED(_obj, _pobj) LOBJ_LOCKED(_obj, _pobj, mpls_domain, attrs)
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LOBJ_UNLOCK_CLEANUP(mpls_domain, attrs);
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#define MPLS_DOMAIN_PRIV(_obj) LOBJ_PRIV(_obj, attrs)
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#define MPLS_DOMAIN_PUB(_pobj) SKIP_BACK(struct mpls_domain_pub, priv, (_pobj))
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#define MPLS_RANGE_PUBLIC \
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node n; /* Node in mpls_domain.ranges */ \
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DOMAIN(attrs) lock; /* Shared with the domain */ \
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struct mpls_range {
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MPLS_RANGE_PUBLIC;
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struct mpls_range **locked_at;
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struct mpls_range_config *cf; /* Our config */
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const char *name;
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struct mpls_domain *domain;
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list handles; /* List of label handles (struct mpls_handle) */
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uint lo, hi; /* Label range interval */
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uint label_count; /* Number of allocated labels */
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uint use_count; /* Reference counter */
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u8 removed; /* Deconfigured, waiting for zero use_count */
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};
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struct mpls_range_pub {
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union {
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struct { MPLS_RANGE_PUBLIC; };
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struct mpls_range priv;
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};
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};
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#define mpls_range_private mpls_range
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#define MPLS_RANGE_LOCK(_obj, _pobj) LOBJ_LOCK(_obj, _pobj, mpls_range, attrs)
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#define MPLS_RANGE_LOCKED(_obj, _pobj) LOBJ_LOCKED(_obj, _pobj, mpls_range, attrs)
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LOBJ_UNLOCK_CLEANUP(mpls_range, attrs);
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#define MPLS_RANGE_PRIV(_obj) LOBJ_PRIV(_obj, attrs)
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#define MPLS_RANGE_PUB(_pobj) SKIP_BACK(struct mpls_range_pub, priv, (_pobj))
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#define MPLS_HANDLE_PUBLIC \
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node n; /* Node in mpls_domain.handles */ \
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const char *name; /* Shared with the range */ \
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DOMAIN(attrs) lock; /* Shared with the domain */ \
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struct mpls_handle {
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MPLS_HANDLE_PUBLIC;
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struct mpls_handle **locked_at;
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struct mpls_range *range; /* Associated range, keeping reference */
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uint label_count; /* Number of allocated labels */
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};
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struct mpls_handle_pub {
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union {
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struct { MPLS_HANDLE_PUBLIC; };
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struct mpls_handle priv;
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};
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};
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#define mpls_handle_private mpls_handle
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#define MPLS_HANDLE_LOCK(_obj, _pobj) LOBJ_LOCK(_obj, _pobj, mpls_handle, attrs)
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#define MPLS_HANDLE_LOCKED(_obj, _pobj) LOBJ_LOCKED(_obj, _pobj, mpls_handle, attrs)
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LOBJ_UNLOCK_CLEANUP(mpls_handle, attrs);
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#define MPLS_HANDLE_PRIV(_obj) LOBJ_PRIV(_obj, attrs)
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#define MPLS_HANDLE_PUB(_pobj) SKIP_BACK(struct mpls_handle_pub, priv, (_pobj))
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uint mpls_new_label(struct mpls_handle *h, uint n);
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void mpls_free_label(struct mpls_handle *h, uint n);
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void mpls_move_label(struct mpls_handle *fh, struct mpls_handle *th, uint n);
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void mpls_lock_domain(struct mpls_domain *m);
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void mpls_unlock_domain(struct mpls_domain *m);
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void mpls_lock_range(struct mpls_range *m);
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void mpls_unlock_range(struct mpls_range *m);
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void mpls_revive_fec(struct mpls_fec *);
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#endif
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