summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorOndrej Zajicek (work) <santiago@crfreenet.org>2017-12-13 15:57:44 +0100
committerOndrej Zajicek (work) <santiago@crfreenet.org>2017-12-13 15:57:44 +0100
commitd807ea087f8d60e25eaef8c10168a40ca6545c57 (patch)
tree60ac512afd42488b277a6fe7a527e71ccfb92490
parent3e7923507b40b42c80dc621aff9d896106bae8c7 (diff)
BGP: Fix non-transitive ext communities
-rw-r--r--nest/a-set.c7
-rw-r--r--nest/attrs.h2
-rw-r--r--proto/bgp/attrs.c4
3 files changed, 12 insertions, 1 deletions
diff --git a/nest/a-set.c b/nest/a-set.c
index a2fb6953..048e522d 100644
--- a/nest/a-set.c
+++ b/nest/a-set.c
@@ -536,6 +536,13 @@ ec_set_sort(struct linpool *pool, struct adata *src)
return dst;
}
+void
+ec_set_sort_x(struct adata *set)
+{
+ /* Sort in place */
+ qsort(set->data, set->length / 8, 8, ec_set_cmp);
+}
+
static int
lc_set_cmp(const void *X, const void *Y)
diff --git a/nest/attrs.h b/nest/attrs.h
index f66d4f04..102f378a 100644
--- a/nest/attrs.h
+++ b/nest/attrs.h
@@ -197,4 +197,6 @@ struct adata *int_set_sort(struct linpool *pool, struct adata *src);
struct adata *ec_set_sort(struct linpool *pool, struct adata *src);
struct adata *lc_set_sort(struct linpool *pool, struct adata *src);
+void ec_set_sort_x(struct adata *set); /* Sort in place */
+
#endif
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c
index dea3c4a6..fdc981ca 100644
--- a/proto/bgp/attrs.c
+++ b/proto/bgp/attrs.c
@@ -550,10 +550,12 @@ bgp_decode_mp_unreach_nlri(struct bgp_parse_state *s, uint code UNUSED, uint fla
static void
bgp_export_ext_community(struct bgp_export_state *s, eattr *a)
{
+ a->u.ptr = ec_set_del_nontrans(s->pool, a->u.ptr);
+
if (a->u.ptr->length == 0)
UNSET(a);
- a->u.ptr = ec_set_sort(s->pool, a->u.ptr);
+ ec_set_sort_x(a->u.ptr);
}
static void