BSTP_IFSTATE_LEARNING
bstp_set_port_state(bp, BSTP_IFSTATE_LEARNING);
case BSTP_IFSTATE_LEARNING:
bp->bp_state == BSTP_IFSTATE_LEARNING) {
bstp_set_port_state(bp, BSTP_IFSTATE_LEARNING);
if ((bp->bp_state == BSTP_IFSTATE_LEARNING ||
case BSTP_IFSTATE_LEARNING:
case BSTP_IFSTATE_LEARNING:
(bif->bif_state == BSTP_IFSTATE_LEARNING)) {