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Split route data structure to storage (ro) / manipulation (rw) structures.

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Routes are now allocated only when they are just to be inserted to the
table. Updating a route needs a locally allocated route structure.
Ownership of the attributes is also now not transfered from protocols to
tables and vice versa but just borrowed which should be easier to handle
in a multithreaded environment.
This commit is contained in:
Maria Matejka
2020-01-28 11:42:46 +01:00
committed by Maria Matejka
parent 60880b539b
commit 69d1ffde4c
27 changed files with 611 additions and 875 deletions
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22
nest/protocol.h
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@@ -211,9 +211,9 @@ struct proto {
void (*if_notify)(struct proto *, unsigned flags, struct iface *i);
void (*ifa_notify)(struct proto *, unsigned flags, struct ifa *a);
void (*rt_notify)(struct proto *, struct channel *, struct network *net, struct rte *new, struct rte *old);
void (*rt_notify)(struct proto *, struct channel *, const net_addr *net, struct rte *new, const struct rte *old);
void (*neigh_notify)(struct neighbor *neigh);
int (*preexport)(struct proto *, struct rte *rt);
int (*preexport)(struct channel *, struct rte *rt);
void (*reload_routes)(struct channel *);
void (*feed_begin)(struct channel *, int initial);
void (*feed_end)(struct channel *);
@@ -232,7 +232,7 @@ struct proto {
int (*rte_recalculate)(struct rtable *, struct network *, struct rte *, struct rte *, struct rte *);
int (*rte_better)(struct rte *, struct rte *);
int (*rte_mergable)(struct rte *, struct rte *);
struct rte * (*rte_modify)(struct rte *, struct linpool *);
struct rte *(*rte_modify)(struct rte *, struct linpool *);
void (*rte_insert)(struct network *, struct rte *);
void (*rte_remove)(struct network *, struct rte *);
u32 (*rte_igp_metric)(struct rte *);
@@ -542,7 +542,7 @@ struct channel {
struct rtable *in_table; /* Internal table for received routes */
struct event *reload_event; /* Event responsible for reloading from in_table */
struct fib_iterator reload_fit; /* FIB iterator in in_table used during reloading */
struct rte *reload_next_rte; /* Route iterator in in_table used during reloading */
struct rte_storage *reload_next_rte; /* Route iterator in in_table used during reloading */
u8 reload_active; /* Iterator reload_fit is linked */
u8 reload_pending; /* Reloading and another reload is scheduled */
@@ -632,18 +632,4 @@ void *channel_config_new(const struct channel_class *cc, const char *name, uint
void *channel_config_get(const struct channel_class *cc, const char *name, uint net_type, struct proto_config *proto);
int channel_reconfigure(struct channel *c, struct channel_config *cf);
/* Moved from route.h to avoid dependency conflicts */
static inline void rte_update(struct proto *p, const net_addr *n, rte *new) { rte_update2(p->main_channel, n, new, p->main_source); }
static inline void
rte_update3(struct channel *c, const net_addr *n, rte *new, struct rte_src *src)
{
if (c->in_table && !rte_update_in(c, n, new, src))
return;
rte_update2(c, n, new, src);
}
#endif