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-rw-r--r--nest/attrs.h244
1 files changed, 0 insertions, 244 deletions
diff --git a/nest/attrs.h b/nest/attrs.h
deleted file mode 100644
index fcd5ac16..00000000
--- a/nest/attrs.h
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * BIRD Internet Routing Daemon -- Attribute Operations
- *
- * (c) 2000 Martin Mares <mj@ucw.cz>
- *
- * Can be freely distributed and used under the terms of the GNU GPL.
- */
-
-#ifndef _BIRD_ATTRS_H_
-#define _BIRD_ATTRS_H_
-
-#include <stdint.h>
-#include "lib/unaligned.h"
-#include "nest/route.h"
-
-
-/* a-path.c */
-
-#define AS_PATH_SET 1 /* Types of path segments */
-#define AS_PATH_SEQUENCE 2
-#define AS_PATH_CONFED_SEQUENCE 3
-#define AS_PATH_CONFED_SET 4
-
-#define AS_PATH_MAXLEN 10000
-
-#define AS_TRANS 23456
-/* AS_TRANS is used when we need to store 32bit ASN larger than 0xFFFF
- * to 16bit slot (like in 16bit AS_PATH). See RFC 4893 for details
- */
-
-struct f_val;
-struct f_tree;
-
-int as_path_valid(byte *data, uint len, int bs, int sets, int confed, char *err, uint elen);
-int as_path_16to32(byte *dst, const byte *src, uint len);
-int as_path_32to16(byte *dst, const byte *src, uint len);
-int as_path_contains_as4(const struct adata *path);
-int as_path_contains_confed(const struct adata *path);
-struct adata *as_path_strip_confed(struct linpool *pool, const struct adata *op);
-struct adata *as_path_prepend2(struct linpool *pool, const struct adata *op, int seq, u32 as);
-struct adata *as_path_to_old(struct linpool *pool, const struct adata *path);
-struct adata *as_path_cut(struct linpool *pool, const struct adata *path, uint num);
-const struct adata *as_path_merge(struct linpool *pool, const struct adata *p1, const struct adata *p2);
-void as_path_format(const struct adata *path, byte *buf, uint size);
-int as_path_getlen(const struct adata *path);
-int as_path_getlen_int(const struct adata *path, int bs);
-int as_path_get_first(const struct adata *path, u32 *orig_as);
-int as_path_get_first_regular(const struct adata *path, u32 *last_as);
-int as_path_get_last(const struct adata *path, u32 *last_as);
-u32 as_path_get_last_nonaggregated(const struct adata *path);
-int as_path_contains(const struct adata *path, u32 as, int min);
-int as_path_match_set(const struct adata *path, const struct f_tree *set);
-const struct adata *as_path_filter(struct linpool *pool, const struct adata *path, const struct f_val *set, int pos);
-int as_path_walk(const struct adata *path, uint *pos, uint *val);
-
-static inline struct adata *as_path_prepend(struct linpool *pool, const struct adata *path, u32 as)
-{ return as_path_prepend2(pool, path, AS_PATH_SEQUENCE, as); }
-
-
-#define PM_ASN 0
-#define PM_QUESTION 1
-#define PM_ASTERISK 2
-#define PM_ASN_EXPR 3
-#define PM_ASN_RANGE 4
-#define PM_ASN_SET 5
-#define PM_LOOP 6
-
-struct f_path_mask_item {
- union {
- u32 asn; /* PM_ASN */
- const struct f_line *expr; /* PM_ASN_EXPR */
- const struct f_tree *set; /* PM_ASN_SET */
- struct { /* PM_ASN_RANGE */
- u32 from;
- u32 to;
- };
- };
- int kind;
-};
-
-struct f_path_mask {
- uint len;
- struct f_path_mask_item item[0];
-};
-
-int as_path_match(const struct adata *path, const struct f_path_mask *mask);
-
-
-/* Counterparts to appropriate as_path_* functions */
-
-static inline int
-aggregator_16to32(byte *dst, const byte *src)
-{
- put_u32(dst, get_u16(src));
- memcpy(dst+4, src+2, 4);
- return 8;
-}
-
-static inline int
-aggregator_32to16(byte *dst, const byte *src)
-{
- put_u16(dst, get_u32(src));
- memcpy(dst+2, src+4, 4);
- return 6;
-}
-
-static inline int
-aggregator_contains_as4(const struct adata *a)
-{
- return get_u32(a->data) > 0xFFFF;
-}
-
-static inline struct adata *
-aggregator_to_old(struct linpool *pool, const struct adata *a)
-{
- struct adata *d = lp_alloc_adata(pool, 8);
- put_u32(d->data, AS_TRANS);
- memcpy(d->data + 4, a->data + 4, 4);
- return d;
-}
-
-
-/* a-set.c */
-
-
-/* Extended Community subtypes (kinds) */
-enum ec_subtype {
- EC_RT = 0x0002,
- EC_RO = 0x0003,
- EC_GENERIC = 0xFFFF,
-};
-
-static inline const char *ec_subtype_str(const enum ec_subtype ecs) {
- switch (ecs) {
- case EC_RT: return "rt";
- case EC_RO: return "ro";
- default: return NULL;
- }
-}
-
-/* Check for EC_RT subtype within different types (0-2) */
-static inline int ec_type_is_rt(uint type)
-{ return (type == EC_RT) || (type == (0x0100 | EC_RT)) || (type == (0x0200 | EC_RT)); }
-
-
-/* Transitive bit (for first u32 half of EC) */
-#define EC_TBIT 0x40000000
-
-#define ECOMM_LENGTH 8
-
-static inline int int_set_get_size(const struct adata *list)
-{ return list->length / 4; }
-
-static inline int ec_set_get_size(const struct adata *list)
-{ return list->length / 8; }
-
-static inline int lc_set_get_size(const struct adata *list)
-{ return list->length / 12; }
-
-static inline u32 *int_set_get_data(const struct adata *list)
-{ return (u32 *) list->data; }
-
-static inline u32 ec_hi(u64 ec) { return ec >> 32; }
-static inline u32 ec_lo(u64 ec) { return ec; }
-
-static inline u64 ec_get(const u32 *l, int i)
-{ return (((u64) l[i]) << 32) | l[i+1]; }
-
-static inline void ec_put(u32 *l, int i, u64 val)
-{ l[i] = ec_hi(val); l[i+1] = ec_lo(val); }
-
-/* RFC 4360 3.1. Two-Octet AS Specific Extended Community */
-static inline u64 ec_as2(enum ec_subtype kind, u64 key, u64 val)
-{ return (((u64) kind | 0x0000) << 48) | (key << 32) | val; }
-
-/* RFC 5668 4-Octet AS Specific BGP Extended Community */
-static inline u64 ec_as4(enum ec_subtype kind, u64 key, u64 val)
-{ return (((u64) kind | 0x0200) << 48) | (key << 16) | val; }
-
-/* RFC 4360 3.2. IPv4 Address Specific Extended Community */
-static inline u64 ec_ip4(enum ec_subtype kind, u64 key, u64 val)
-{ return (((u64) kind | 0x0100) << 48) | (key << 16) | val; }
-
-static inline u64 ec_generic(u64 key, u64 val)
-{ return (key << 32) | val; }
-
-/* Large community value */
-typedef struct lcomm {
- u32 asn;
- u32 ldp1;
- u32 ldp2;
-} lcomm;
-
-#define LCOMM_LENGTH 12
-
-static inline lcomm lc_get(const u32 *l, int i)
-{ return (lcomm) { l[i], l[i+1], l[i+2] }; }
-
-static inline void lc_put(u32 *l, lcomm v)
-{ l[0] = v.asn; l[1] = v.ldp1; l[2] = v.ldp2; }
-
-static inline int lc_match(const u32 *l, int i, lcomm v)
-{ return (l[i] == v.asn && l[i+1] == v.ldp1 && l[i+2] == v.ldp2); }
-
-static inline u32 *lc_copy(u32 *dst, const u32 *src)
-{ memcpy(dst, src, LCOMM_LENGTH); return dst + 3; }
-
-
-int int_set_format(const struct adata *set, int way, int from, byte *buf, uint size);
-int ec_format(byte *buf, u64 ec);
-int ec_set_format(const struct adata *set, int from, byte *buf, uint size);
-int lc_format(byte *buf, lcomm lc);
-int lc_set_format(const struct adata *set, int from, byte *buf, uint size);
-int int_set_contains(const struct adata *list, u32 val);
-int ec_set_contains(const struct adata *list, u64 val);
-int lc_set_contains(const struct adata *list, lcomm val);
-const struct adata *int_set_prepend(struct linpool *pool, const struct adata *list, u32 val);
-const struct adata *int_set_add(struct linpool *pool, const struct adata *list, u32 val);
-const struct adata *ec_set_add(struct linpool *pool, const struct adata *list, u64 val);
-const struct adata *lc_set_add(struct linpool *pool, const struct adata *list, lcomm val);
-const struct adata *int_set_del(struct linpool *pool, const struct adata *list, u32 val);
-const struct adata *ec_set_del(struct linpool *pool, const struct adata *list, u64 val);
-const struct adata *lc_set_del(struct linpool *pool, const struct adata *list, lcomm val);
-const struct adata *int_set_union(struct linpool *pool, const struct adata *l1, const struct adata *l2);
-const struct adata *ec_set_union(struct linpool *pool, const struct adata *l1, const struct adata *l2);
-const struct adata *lc_set_union(struct linpool *pool, const struct adata *l1, const struct adata *l2);
-
-struct adata *ec_set_del_nontrans(struct linpool *pool, const struct adata *set);
-struct adata *int_set_sort(struct linpool *pool, const struct adata *src);
-struct adata *ec_set_sort(struct linpool *pool, const struct adata *src);
-struct adata *lc_set_sort(struct linpool *pool, const struct adata *src);
-int int_set_min(const struct adata *list, u32 *val);
-int ec_set_min(const struct adata *list, u64 *val);
-int lc_set_min(const struct adata *list, lcomm *val);
-int int_set_max(const struct adata *list, u32 *val);
-int ec_set_max(const struct adata *list, u64 *val);
-int lc_set_max(const struct adata *list, lcomm *val);
-int int_set_walk(const struct adata *list, uint *pos, u32 *val);
-int ec_set_walk(const struct adata *list, uint *pos, u64 *val);
-int lc_set_walk(const struct adata *list, uint *pos, lcomm *val);
-
-void ec_set_sort_x(struct adata *set); /* Sort in place */
-
-#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 20:16:13 +0000