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authorMaria Matejka <mq@ucw.cz>2022-05-30 15:31:19 +0200
committerMaria Matejka <mq@ucw.cz>2022-05-30 15:31:19 +0200
commitd7b077f5d63625beaca1bcfe971e3b853dbfcc06 (patch)
tree7d0e8d62cca65ae2dd3d5e6231657f1e43630b5a /nest/route.h
parentd024f471ea5239a8cb6ce2ccd83b686a1d438aa5 (diff)
parent4a23ede2b056a41456790cc20a0c3d92a7137693 (diff)
Merge commit '4a23ede2b056a41456790cc20a0c3d92a7137693' into haugesund
Diffstat (limited to 'nest/route.h')
-rw-r--r--nest/route.h57
1 files changed, 40 insertions, 17 deletions
diff --git a/nest/route.h b/nest/route.h
index 1aba218b..61a5f623 100644
--- a/nest/route.h
+++ b/nest/route.h
@@ -664,7 +664,10 @@ static inline int rte_is_reachable(rte *r)
typedef struct eattr {
word id; /* EA_CODE(PROTOCOL_..., protocol-dependent ID) */
byte flags; /* Protocol-dependent flags */
- byte type; /* Attribute type and several flags (EAF_...) */
+ byte type:5; /* Attribute type */
+ byte originated:1; /* The attribute has originated locally */
+ byte fresh:1; /* An uncached attribute (e.g. modified in export filter) */
+ byte undef:1; /* Explicitly undefined */
union {
uintptr_t data;
const struct adata *ptr; /* Attribute data elsewhere */
@@ -700,11 +703,8 @@ const char *ea_custom_name(uint ea);
#define EAF_TYPE_PTR 0x0d /* Pointer to an object */
#define EAF_TYPE_EC_SET 0x0e /* Set of pairs of u32's - ext. community list */
#define EAF_TYPE_LC_SET 0x12 /* Set of triplets of u32's - large community list */
-#define EAF_TYPE_UNDEF 0x1f /* `force undefined' entry */
#define EAF_EMBEDDED 0x01 /* Data stored in eattr.u.data (part of type spec) */
#define EAF_VAR_LENGTH 0x02 /* Attribute length is variable (part of type spec) */
-#define EAF_ORIGINATED 0x20 /* The attribute has originated locally */
-#define EAF_FRESH 0x40 /* An uncached attribute (e.g. modified in export filter) */
typedef struct adata {
uint length; /* Length of data */
@@ -772,27 +772,50 @@ void ea_format_bitfield(const struct eattr *a, byte *buf, int bufsize, const cha
ea = NULL; \
} while(0) \
+struct ea_one_attr_list {
+ ea_list l;
+ eattr a;
+};
+
static inline eattr *
ea_set_attr(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, uintptr_t val)
{
- ea_list *a = lp_alloc(pool, sizeof(ea_list) + sizeof(eattr));
- eattr *e = &a->attrs[0];
+ struct ea_one_attr_list *ea = lp_alloc(pool, sizeof(*ea));
+ *ea = (struct ea_one_attr_list) {
+ .l.flags = EALF_SORTED,
+ .l.count = 1,
+ .l.next = *to,
- a->flags = EALF_SORTED;
- a->count = 1;
- a->next = *to;
- *to = a;
-
- e->id = id;
- e->type = type;
- e->flags = flags;
+ .a.id = id,
+ .a.type = type,
+ .a.flags = flags,
+ };
if (type & EAF_EMBEDDED)
- e->u.data = (u32) val;
+ ea->a.u.data = val;
else
- e->u.ptr = (struct adata *) val;
+ ea->a.u.ptr = (struct adata *) val;
+
+ *to = &ea->l;
- return e;
+ return &ea->a;
+}
+
+static inline void
+ea_unset_attr(ea_list **to, struct linpool *pool, _Bool local, uint code)
+{
+ struct ea_one_attr_list *ea = lp_alloc(pool, sizeof(*ea));
+ *ea = (struct ea_one_attr_list) {
+ .l.flags = EALF_SORTED,
+ .l.count = 1,
+ .l.next = *to,
+ .a.id = code,
+ .a.fresh = local,
+ .a.originated = local,
+ .a.undef = 1,
+ };
+
+ *to = &ea->l;
}
static inline void