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Diffstat (limited to 'src/vnet/ip/ip_neighbor.c')
-rw-r--r--src/vnet/ip/ip_neighbor.c66
1 files changed, 64 insertions, 2 deletions
diff --git a/src/vnet/ip/ip_neighbor.c b/src/vnet/ip/ip_neighbor.c
index 80437655f92..2edd737aa07 100644
--- a/src/vnet/ip/ip_neighbor.c
+++ b/src/vnet/ip/ip_neighbor.c
@@ -47,6 +47,69 @@ typedef struct
static ip_neighbor_scan_config_t ip_neighbor_scan_conf;
+int
+ip_neighbor_add (const ip46_address_t * ip,
+ u8 is_ip6,
+ const u8 * mac, u32 sw_if_index, ip_neighbor_flags_t flags)
+{
+ int rv;
+
+ /*
+ * there's no validation here of the ND/ARP entry being added.
+ * The expectation is that the FIB will ensure that nothing bad
+ * will come of adding bogus entries.
+ */
+ if (is_ip6)
+ {
+ rv = vnet_set_ip6_ethernet_neighbor (vlib_get_main (),
+ sw_if_index, &ip->ip6, mac, 6,
+ (flags & IP_NEIGHBOR_FLAG_STATIC),
+ (flags &
+ IP_NEIGHBOR_FLAG_NO_ADJ_FIB));
+
+ }
+ else
+ {
+ ethernet_arp_ip4_over_ethernet_address_t a = {
+ .ip4 = ip->ip4,
+ };
+
+ clib_memcpy (&a.ethernet, mac, 6);
+
+ rv = vnet_arp_set_ip4_over_ethernet (vnet_get_main (),
+ sw_if_index,
+ &a,
+ (flags & IP_NEIGHBOR_FLAG_STATIC),
+ (flags &
+ IP_NEIGHBOR_FLAG_NO_ADJ_FIB));
+ }
+
+ return (rv);
+}
+
+int
+ip_neighbor_del (const ip46_address_t * ip, u8 is_ip6, u32 sw_if_index)
+{
+ int rv;
+
+ if (is_ip6)
+ {
+ rv = vnet_unset_ip6_ethernet_neighbor (vlib_get_main (),
+ sw_if_index, &ip->ip6);
+ }
+ else
+ {
+ ethernet_arp_ip4_over_ethernet_address_t a = {
+ .ip4 = ip->ip4,
+ };
+
+ rv =
+ vnet_arp_unset_ip4_over_ethernet (vnet_get_main (), sw_if_index, &a);
+ }
+
+ return (rv);
+}
+
void
ip_neighbor_scan_enable_disable (ip_neighbor_scan_arg_t * arg)
{
@@ -134,8 +197,7 @@ ip_neighbor_scan (vlib_main_t * vm, f64 start_time, u32 start_idx,
else
{
vnet_unset_ip6_ethernet_neighbor
- (vm, n6->key.sw_if_index, &n6->key.ip6_address,
- n6->link_layer_address, 6);
+ (vm, n6->key.sw_if_index, &n6->key.ip6_address);
}
}
else if (delta >= cfg->scan_interval)