nhrpd: Set prefix length in NAT extension in resolution-reply

Signed-off-by: Reuben Dowle <reuben.dowle@4rf.com>

diff --git a/nhrpd/nhrp_peer.c b/nhrpd/nhrp_peer.c
index 74e502b2144ff230d9302ddba1e45d37211e2ad4..a4c93bd2ae084a973482da3588ddd834953125f3 100644 (file)
--- a/nhrpd/nhrp_peer.c
+++ b/nhrpd/nhrp_peer.c
@@ -622,6 +622,10 @@ static void nhrp_handle_resolution_req(struct nhrp_packet_parser *pp)
                                                    &pp->if_ad->addr);
                                if (!cie)
                                        goto err;
+                               cie->prefix_length =
+                                       8 * sockunion_get_addrlen(
+                                                       &pp->if_ad->addr);
+
                                cie->mtu = htons(pp->if_ad->mtu);
                                nhrp_ext_complete(zb, ext);
                        }