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Properly consted routes inside table

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This commit is contained in:
Maria Matejka
2023-07-03 20:38:24 +02:00
parent 206b33fd0b
commit a920b5111c
5 changed files with 84 additions and 62 deletions
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22
lib/route.h
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@@ -21,20 +21,24 @@ struct network;
struct proto;
struct cli;
struct rtable_private;
struct rte_storage;
#define RTE_IN_TABLE_WRITABLE \
byte pflags; /* Protocol-specific flags; may change in-table (!) */ \
u8 stale_cycle; /* Auxiliary value for route refresh; may change in-table (!) */ \
typedef struct rte {
RTE_IN_TABLE_WRITABLE;
byte flags; /* Table-specific flags */
u8 generation; /* If this route import is based on other previously exported route,
this value should be 1 + MAX(generation of the parent routes).
Otherwise the route is independent and this value is zero. */
u32 id; /* Table specific route id */
struct ea_list *attrs; /* Attributes of this route */
const net_addr *net; /* Network this RTE belongs to */
struct rte_src *src; /* Route source that created the route */
struct rt_import_hook *sender; /* Import hook used to send the route to the routing table */
btime lastmod; /* Last modified (set by table) */
u32 id; /* Table specific route id */
byte flags; /* Table-specific flags */
byte pflags; /* Protocol-specific flags */
u8 generation; /* If this route import is based on other previously exported route,
this value should be 1 + MAX(generation of the parent routes).
Otherwise the route is independent and this value is zero. */
u8 stale_cycle; /* Auxiliary value for route refresh */
} rte;
#define REF_FILTERED 2 /* Route is rejected by import filter */
@@ -73,7 +77,7 @@ struct rte_owner_class {
struct rte_owner {
struct rte_owner_class *class;
int (*rte_recalculate)(struct rtable_private *, struct network *, struct rte *, struct rte *, struct rte *);
int (*rte_recalculate)(struct rtable_private *, struct network *, struct rte_storage *new, struct rte_storage *, struct rte_storage *);
HASH(struct rte_src) hash;
const char *name;
u32 hash_key;
@@ -461,7 +465,7 @@ static inline const char *flowspec_valid_name(enum flowspec_valid v)
{ return (v < FLOWSPEC__MAX) ? flowspec_valid_names[v] : "???"; }
extern struct ea_class ea_gen_flowspec_valid;
static inline enum flowspec_valid rt_get_flowspec_valid(rte *rt)
static inline enum flowspec_valid rt_get_flowspec_valid(const rte *rt)
{ return ea_get_int(rt->attrs, &ea_gen_flowspec_valid, FLOWSPEC_UNKNOWN); }
/* Next hop: For now, stored as adata */