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Local route attributes are always allocated from tmp_linpool

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This commit is contained in:
Maria Matejka
2022-04-10 19:15:18 +02:00
parent f2f3163f6c
commit ef4313e166
5 changed files with 103 additions and 112 deletions
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56
lib/route.h
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@@ -220,58 +220,48 @@ struct ea_one_attr_list {
eattr a;
};
#define EA_LITERAL_EMBEDDED(_id, _type, _flags, _val) ({ \
ASSERT_DIE(_type & EAF_EMBEDDED); \
EA_LITERAL_GENERIC(_id, _type, _flags, .u.i = _val); \
})
#define EA_LITERAL_ADATA(_id, _type, _flags, _buf, _len) ({ \
ASSERT_DIE(!(_type & EAF_EMBEDDED)); \
EA_LITERAL_GENERIC(_id, _type, _flags, .u.ad = tmp_store_adata(_buf, _len)); \
})
#define EA_LITERAL_GENERIC(_id, _type, _flags, ...) \
((eattr) { .id = _id, .type = _type, .flags = _flags, __VA_ARGS__ })
static inline eattr *
ea_set_attr(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, union bval val)
ea_set_attr(ea_list **to, eattr a)
{
struct ea_one_attr_list *ea = lp_alloc(pool, sizeof(*ea));
struct ea_one_attr_list *ea = tmp_alloc(sizeof(*ea));
*ea = (struct ea_one_attr_list) {
.l.flags = EALF_SORTED,
.l.count = 1,
.l.next = *to,
.a.id = id,
.a.type = type,
.a.flags = flags,
.a = a,
};
ea->a.u = val;
*to = &ea->l;
return &ea->a;
}
static inline void
ea_unset_attr(ea_list **to, struct linpool *pool, _Bool local, uint code)
ea_unset_attr(ea_list **to, _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;
ea_set_attr(to, EA_LITERAL_GENERIC(code, 0, 0,
.fresh = local, .originated = local, .undef = 1));
}
static inline void
ea_set_attr_u32(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, u32 data)
{
union bval bv = { .data = data };
ea_set_attr(to, pool, id, flags, type, bv);
}
ea_set_attr_u32(ea_list **to, uint id, uint flags, uint type, u32 data)
{ ea_set_attr(to, EA_LITERAL_EMBEDDED(id, type, flags, data)); }
static inline void
ea_set_attr_data(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, void *data, uint len)
{
struct adata *a = lp_alloc_adata(pool, len);
memcpy(a->data, data, len);
union bval bv = { .ptr = a, };
ea_set_attr(to, pool, id, flags, type, bv);
}
ea_set_attr_data(ea_list **to, uint id, uint flags, uint type, void *data, uint len)
{ ea_set_attr(to, EA_LITERAL_ADATA(id, type, flags, data, len)); }
#define NEXTHOP_MAX_SIZE (sizeof(struct nexthop) + sizeof(u32)*MPLS_MAX_LABEL_STACK)