Function bstp_received_tcn

freebsd/net/bridgestp.c:574–580

}

static void
bstp_received_tcn(struct bstp_state *bs, struct bstp_port *bp,
    struct bstp_tcn_unit *tcn)
{
	bp->bp_rcvdtcn = 1;
	bstp_update_tc(bp);
}

static void
bstp_received_bpdu(struct bstp_state *bs, struct bstp_port *bp,