diff --git a/lib/if.h b/lib/if.h index 560635f7c4..fd5f6f7502 100644 --- a/lib/if.h +++ b/lib/if.h @@ -434,6 +434,8 @@ struct connected { #define ZEBRA_IFA_SECONDARY (1 << 0) #define ZEBRA_IFA_PEER (1 << 1) #define ZEBRA_IFA_UNNUMBERED (1 << 2) +#define ZEBRA_IFA_NOPREFIXROUTE (1 << 3) + /* N.B. the ZEBRA_IFA_PEER flag should be set if and only if a peer address has been configured. If this flag is set, the destination field must contain the peer address. diff --git a/zebra/connected.c b/zebra/connected.c index 297234b6af..404f892f6e 100644 --- a/zebra/connected.c +++ b/zebra/connected.c @@ -282,13 +282,15 @@ void connected_up(struct interface *ifp, struct connected *ifc) return; } - rib_add(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_CONNECT, 0, - flags, &p, NULL, &nh, 0, zvrf->table_id, metric, 0, 0, 0, - false); + if (!CHECK_FLAG(ifc->flags, ZEBRA_IFA_NOPREFIXROUTE)) { + rib_add(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, + ZEBRA_ROUTE_CONNECT, 0, flags, &p, NULL, &nh, 0, + zvrf->table_id, metric, 0, 0, 0, false); - rib_add(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_CONNECT, 0, - flags, &p, NULL, &nh, 0, zvrf->table_id, metric, 0, 0, 0, - false); + rib_add(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id, + ZEBRA_ROUTE_CONNECT, 0, flags, &p, NULL, &nh, 0, + zvrf->table_id, metric, 0, 0, 0, false); + } if (install_local) { rib_add(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_LOCAL, @@ -481,11 +483,15 @@ void connected_down(struct interface *ifp, struct connected *ifc) * Same logic as for connected_up(): push the changes into the * head. */ - rib_delete(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_CONNECT, 0, - 0, &p, NULL, &nh, 0, zvrf->table_id, 0, 0, false); + if (!CHECK_FLAG(ifc->flags, ZEBRA_IFA_NOPREFIXROUTE)) { + rib_delete(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, + ZEBRA_ROUTE_CONNECT, 0, 0, &p, NULL, &nh, 0, + zvrf->table_id, 0, 0, false); - rib_delete(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id, ZEBRA_ROUTE_CONNECT, - 0, 0, &p, NULL, &nh, 0, zvrf->table_id, 0, 0, false); + rib_delete(afi, SAFI_MULTICAST, zvrf->vrf->vrf_id, + ZEBRA_ROUTE_CONNECT, 0, 0, &p, NULL, &nh, 0, + zvrf->table_id, 0, 0, false); + } if (remove_local) { rib_delete(afi, SAFI_UNICAST, zvrf->vrf->vrf_id, diff --git a/zebra/interface.c b/zebra/interface.c index c4a952e1a7..39d24f1883 100644 --- a/zebra/interface.c +++ b/zebra/interface.c @@ -1317,6 +1317,9 @@ static void zebra_if_addr_update_ctx(struct zebra_dplane_ctx *ctx, if (dplane_ctx_intf_is_secondary(ctx)) SET_FLAG(flags, ZEBRA_IFA_SECONDARY); + if (dplane_ctx_intf_is_noprefixroute(ctx)) + SET_FLAG(flags, ZEBRA_IFA_NOPREFIXROUTE); + /* Label? */ if (dplane_ctx_intf_has_label(ctx)) label = dplane_ctx_get_intf_label(ctx); @@ -2334,6 +2337,12 @@ static void connected_dump_vty(struct vty *vty, json_object *json, else if (CHECK_FLAG(connected->flags, ZEBRA_IFA_SECONDARY)) vty_out(vty, " secondary"); + if (json) + json_object_boolean_add(json_addr, "noPrefixRoute", + CHECK_FLAG(connected->flags, ZEBRA_IFA_NOPREFIXROUTE)); + else if (CHECK_FLAG(connected->flags, ZEBRA_IFA_NOPREFIXROUTE)) + vty_out(vty, " noprefixroute"); + if (json) json_object_boolean_add( json_addr, "unnumbered",