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Split route table event into separate events

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The former rt_event is dropped in favour of separate table events.
This allows for selective corking of NHU and prune.
This commit is contained in:
Maria Matejka
2021-10-22 21:03:25 +02:00
parent 6e841b3153
commit 445eeaf3df
4 changed files with 69 additions and 100 deletions
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12
nest/route.h
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@@ -147,6 +147,7 @@ void fit_copy(struct fib *f, struct fib_iterator *dst, struct fib_iterator *src)
struct rtable_config {
node n;
char *name;
struct config *config;
struct rtable *table;
struct proto_config *krt_attached; /* Kernel syncer attached to this table */
uint addr_type; /* Type of address data stored in table (NET_*) */
@@ -175,17 +176,17 @@ typedef struct rtable {
struct hmap id_map;
struct hostcache *hostcache;
struct rtable_config *config; /* Configuration of this table */
void (*deleted)(void *); /* Table should free itself. Call this when it is done. */
void *del_data;
struct event *rt_event; /* Routing table event */
struct event *prune_event; /* Event to prune abandoned routes */
struct event *ec_event; /* Event to prune finished exports */
struct event *hcu_event; /* Event to update host cache */
struct event *nhu_event; /* Event to update next hops */
struct event *delete_event; /* Event to delete the table */
btime last_rt_change; /* Last time when route changed */
btime base_settle_time; /* Start time of rtable settling interval */
btime gc_time; /* Time of last GC */
int gc_counter; /* Number of operations since last GC */
byte prune_state; /* Table prune state, 1 -> scheduled, 2-> running */
byte hcu_scheduled; /* Hostcache update is scheduled */
byte nhu_state; /* Next Hop Update state */
byte export_used; /* Export journal setup scheduled */
struct fib_iterator prune_fit; /* Rtable prune FIB iterator */
struct fib_iterator nhu_fit; /* Next Hop Update FIB iterator */
struct tbf rl_pipe; /* Rate limiting token buffer for pipe collisions */
@@ -475,7 +476,6 @@ void rt_unlock_table(rtable *);
void rt_subscribe(rtable *tab, struct rt_subscription *s);
void rt_unsubscribe(struct rt_subscription *s);
rtable *rt_setup(pool *, struct rtable_config *);
static inline void rt_shutdown(rtable *r) { rfree(r->rp); }
static inline net *net_find(rtable *tab, const net_addr *addr) { return (net *) fib_find(&tab->fib, addr); }
static inline net *net_find_valid(rtable *tab, const net_addr *addr)