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-rw-r--r--nest/route.h4
-rw-r--r--nest/rt-show.c13
-rw-r--r--sysdep/bsd/krt-sock.c11
-rw-r--r--sysdep/linux/netlink.c13
-rw-r--r--sysdep/unix/krt.c4
-rw-r--r--sysdep/unix/krt.h9
6 files changed, 40 insertions, 14 deletions
diff --git a/nest/route.h b/nest/route.h
index bbe42e11..eaaa5c3f 100644
--- a/nest/route.h
+++ b/nest/route.h
@@ -348,6 +348,7 @@ struct rt_show_data {
struct proto *export_protocol;
struct channel *export_channel;
struct config *running_on_config;
+ struct krt_proto *kernel;
int export_mode, primary_only, filtered, stats, show_for;
int table_open; /* Iteration (fit) is open */
@@ -452,9 +453,6 @@ typedef struct rta {
#define RTD_PROHIBIT 4 /* Administratively prohibited */
#define RTD_MAX 5
- /* Flags for net->n.flags, used by kernel syncer */
-#define KRF_SYNC_ERROR 0x40 /* Error during kernel table synchronization */
-
#define RTAF_CACHED 1 /* This is a cached rta */
#define IGP_METRIC_UNKNOWN 0x80000000 /* Default igp_metric used when no other
diff --git a/nest/rt-show.c b/nest/rt-show.c
index 0318f4f0..3431293a 100644
--- a/nest/rt-show.c
+++ b/nest/rt-show.c
@@ -15,6 +15,7 @@
#include "nest/cli.h"
#include "nest/iface.h"
#include "filter/filter.h"
+#include "sysdep/unix/krt.h"
static void
rt_show_table(struct cli *c, struct rt_show_data *d)
@@ -28,13 +29,20 @@ rt_show_table(struct cli *c, struct rt_show_data *d)
d->last_table = d->tab;
}
+static inline struct krt_proto *
+rt_show_get_kernel(struct rt_show_data *d)
+{
+ struct proto_config *krt = d->tab->table->config->krt_attached;
+ return krt ? (struct krt_proto *) krt->proto : NULL;
+}
+
static void
rt_show_rte(struct cli *c, byte *ia, rte *e, struct rt_show_data *d, int primary)
{
byte from[IPA_MAX_TEXT_LENGTH+8];
byte tm[TM_DATETIME_BUFFER_SIZE], info[256];
rta *a = e->attrs;
- int sync_error = (e->net->n.flags & KRF_SYNC_ERROR);
+ int sync_error = d->kernel ? krt_get_sync_error(d->kernel, e) : 0;
void (*get_route_info)(struct rte *, byte *buf);
struct nexthop *nh;
@@ -230,6 +238,7 @@ rt_show_cont(struct cli *c)
FIB_ITERATE_INIT(&d->fit, &d->tab->table->fib);
d->table_open = 1;
d->table_counter++;
+ d->kernel = rt_show_get_kernel(d);
d->show_counter_last = d->show_counter;
d->rt_counter_last = d->rt_counter;
@@ -260,6 +269,7 @@ rt_show_cont(struct cli *c)
d->net_counter - d->net_counter_last, d->tab->table->name);
}
+ d->kernel = NULL;
d->table_open = 0;
d->tab = NODE_NEXT(d->tab);
@@ -403,6 +413,7 @@ rt_show(struct rt_show_data *d)
WALK_LIST(tab, d->tables)
{
d->tab = tab;
+ d->kernel = rt_show_get_kernel(d);
if (d->show_for)
n = net_route(tab->table, d->addr);
diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index e646c414..c2faa23d 100644
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -357,10 +357,13 @@ krt_replace_rte(struct krt_proto *p, net *n, rte *new, rte *old)
if (new)
err = krt_send_route(p, RTM_ADD, new);
- if (err < 0)
- n->n.flags |= KRF_SYNC_ERROR;
- else
- n->n.flags &= ~KRF_SYNC_ERROR;
+ if (new)
+ {
+ if (err < 0)
+ bmap_clear(&p->sync_map, new->id);
+ else
+ bmap_set(&p->sync_map, new->id);
+ }
}
#define SKIP(ARG...) do { DBG("KRT: Ignoring route - " ARG); return; } while(0)
diff --git a/sysdep/linux/netlink.c b/sysdep/linux/netlink.c
index 4714263a..25c078c1 100644
--- a/sysdep/linux/netlink.c
+++ b/sysdep/linux/netlink.c
@@ -1399,7 +1399,7 @@ nl_replace_rte(struct krt_proto *p, rte *e)
void
-krt_replace_rte(struct krt_proto *p, net *n, rte *new, rte *old)
+krt_replace_rte(struct krt_proto *p, net *n UNUSED, rte *new, rte *old)
{
int err = 0;
@@ -1428,10 +1428,13 @@ krt_replace_rte(struct krt_proto *p, net *n, rte *new, rte *old)
err = nl_add_rte(p, new);
}
- if (err < 0)
- n->n.flags |= KRF_SYNC_ERROR;
- else
- n->n.flags &= ~KRF_SYNC_ERROR;
+ if (new)
+ {
+ if (err < 0)
+ bmap_clear(&p->sync_map, new->id);
+ else
+ bmap_set(&p->sync_map, new->id);
+ }
}
static int
diff --git a/sysdep/unix/krt.c b/sysdep/unix/krt.c
index 470368e2..84207251 100644
--- a/sysdep/unix/krt.c
+++ b/sysdep/unix/krt.c
@@ -677,7 +677,7 @@ krt_got_route(struct krt_proto *p, rte *e)
if (!new)
verdict = KRF_DELETE;
- else if ((net->n.flags & KRF_SYNC_ERROR) || !krt_same_dest(e, new))
+ else if (!bmap_test(&p->sync_map, new->id) || !krt_same_dest(e, new))
verdict = KRF_UPDATE;
else
verdict = KRF_SEEN;
@@ -1094,6 +1094,7 @@ krt_start(struct proto *P)
default: log(L_ERR "KRT: Tried to start with strange net type: %d", p->p.net_type); return PS_START; break;
}
+ bmap_init(&p->sync_map, p->p.pool, 1024);
add_tail(&krt_proto_list, &p->krt_node);
#ifdef KRT_ALLOW_LEARN
@@ -1133,6 +1134,7 @@ krt_shutdown(struct proto *P)
krt_sys_shutdown(p);
rem_node(&p->krt_node);
+ bmap_free(&p->sync_map);
return PS_DOWN;
}
diff --git a/sysdep/unix/krt.h b/sysdep/unix/krt.h
index 6ace2a86..c5b565f5 100644
--- a/sysdep/unix/krt.h
+++ b/sysdep/unix/krt.h
@@ -65,6 +65,7 @@ struct krt_proto {
timer *scan_timer;
#endif
+ struct bmap sync_map; /* Keeps track which exported routes were successfully written to kernel */
node krt_node; /* Node in krt_proto_list */
byte af; /* Kernel address family (AF_*) */
byte ready; /* Initial feed has been finished */
@@ -86,6 +87,14 @@ void kif_request_scan(void);
void krt_got_route(struct krt_proto *p, struct rte *e);
void krt_got_route_async(struct krt_proto *p, struct rte *e, int new);
+static inline int
+krt_get_sync_error(struct krt_proto *p, struct rte *e)
+{
+ return (p->p.proto_state == PS_UP) &&
+ bmap_test(&p->p.main_channel->export_map, e->id) &&
+ !bmap_test(&p->sync_map, e->id);
+}
+
/* Values for rte->u.krt_sync.src */
#define KRT_SRC_UNKNOWN -1 /* Nobody knows */
#define KRT_SRC_BIRD 0 /* Our route (not passed in async mode) */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-25 16:39:13 +0000