Implement DHCPv6 PD client (VPP-718, VPP-1050)
Change-Id: I72a1ccdfdd5573335ef78fc01d5268934c73bd31
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
diff --git a/src/vnet/ip/ip6_neighbor.c b/src/vnet/ip/ip6_neighbor.c
index 3daea6b..a76decf 100644
--- a/src/vnet/ip/ip6_neighbor.c
+++ b/src/vnet/ip/ip6_neighbor.c
@@ -236,6 +236,29 @@
static void wc_nd_signal_report (wc_nd_report_t * r);
static void ra_signal_report (ra_report_t * r);
+ip6_address_t
+ip6_neighbor_get_link_local_address (u32 sw_if_index)
+{
+ static ip6_address_t empty_address = { {0} };
+ ip6_neighbor_main_t *nm = &ip6_neighbor_main;
+ ip6_radv_t *radv_info;
+ u32 ri;
+
+ ri = nm->if_radv_pool_index_by_sw_if_index[sw_if_index];
+ if (ri == ~0)
+ {
+ clib_warning ("IPv6 is not enabled for sw_if_index %d", sw_if_index);
+ return empty_address;
+ }
+ radv_info = pool_elt_at_index (nm->if_radv_pool, ri);
+ if (radv_info == NULL)
+ {
+ clib_warning ("Internal error");
+ return empty_address;
+ }
+ return radv_info->link_local_address;
+}
+
/**
* @brief publish wildcard arp event
* @param sw_if_index The interface on which the ARP entires are acted