bif_peer_bridge
if (bif->bif_peer_bridge < sc->sc_designated_bridge)
if (bif->bif_peer_bridge > sc->sc_designated_bridge)
if (bif->bif_peer_bridge != sc->sc_bridge_id)
sc->sc_designated_bridge = bif->bif_peer_bridge;
if (bif->bif_peer_bridge > designated_bridge)
if (bif->bif_peer_bridge < designated_bridge)
designated_bridge = bif->bif_peer_bridge;
if (bif->bif_peer_bridge == 0xFFFFFFFFFFFFFFFFLLU)
bif->bif_peer_bridge = 0xFFFFFFFFFFFFFFFFLLU;
bif->bif_peer_bridge = cu->cu_bridge_id;
req->ifbr_peer_bridge = bif->bif_peer_bridge;
req->ifbr_designated_bridge = bif->bif_peer_bridge;