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-rw-r--r--src/plugins/acl/acl.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/src/plugins/acl/acl.c b/src/plugins/acl/acl.c
index dbb740abc55..286b2e96d1e 100644
--- a/src/plugins/acl/acl.c
+++ b/src/plugins/acl/acl.c
@@ -1503,6 +1503,27 @@ macip_destroy_classify_tables (acl_main_t * am, u32 macip_acl_index)
}
static int
+macip_maybe_apply_unapply_classifier_tables (acl_main_t * am, u32 acl_index,
+ int is_apply)
+{
+ int rv = 0;
+ int rv0 = 0;
+ int i;
+ macip_acl_list_t *a = pool_elt_at_index (am->macip_acls, acl_index);
+
+ for (i = 0; i < vec_len (am->macip_acl_by_sw_if_index); i++)
+ if (vec_elt (am->macip_acl_by_sw_if_index, i) == acl_index)
+ {
+ rv0 = vnet_set_input_acl_intfc (am->vlib_main, i, a->ip4_table_index,
+ a->ip6_table_index, a->l2_table_index,
+ is_apply);
+ /* return the first unhappy outcome but make try to plough through. */
+ rv = rv || rv0;
+ }
+ return rv;
+}
+
+static int
macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
u32 * acl_list_index, u8 * tag)
{
@@ -1511,6 +1532,7 @@ macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
macip_acl_rule_t *r;
macip_acl_rule_t *acl_new_rules = 0;
int i;
+ int rv = 0;
if (*acl_list_index != ~0)
{
@@ -1531,6 +1553,9 @@ macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
("acl-plugin-warning: Trying to create empty MACIP ACL (tag %s)",
tag);
}
+ /* if replacing the ACL, unapply the classifier tables first - they will be gone.. */
+ if (~0 != *acl_list_index)
+ rv = macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 0);
void *oldheap = acl_set_heap (am);
/* Create and populate the rules */
if (count > 0)
@@ -1575,7 +1600,10 @@ macip_acl_add_list (u32 count, vl_api_macip_acl_rule_t rules[],
/* Create and populate the classifer tables */
macip_create_classify_tables (am, *acl_list_index);
clib_mem_set_heap (oldheap);
- return 0;
+ /* If the ACL was already applied somewhere, reapply the newly created tables */
+ rv = rv
+ || macip_maybe_apply_unapply_classifier_tables (am, *acl_list_index, 1);
+ return rv;
}